/*!
 * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md.
 */
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.ck-balloon-rotator__navigation{background:var(--ck-color-toolbar-background);border-bottom:1px solid var(--ck-color-toolbar-border);padding:0 var(--ck-spacing-small)}.ck .ck-balloon-rotator__navigation>*{margin-right:var(--ck-spacing-small);margin-top:var(--ck-spacing-small);margin-bottom:var(--ck-spacing-small)}.ck .ck-balloon-rotator__navigation .ck-balloon-rotator__counter{margin-right:var(--ck-spacing-standard);margin-left:var(--ck-spacing-small)}.ck .ck-balloon-rotator__content .ck.ck-annotation-wrapper{box-shadow:none}"},function(e,t,n){var i=n(1),o=n(77);"string"==typeof(o=o.__esModule?o.default:o)&&(o=[[e.i,o,""]]);var r={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};i(o,r);e.exports=o.locals||{}},function(e,t){e.exports=".ck .ck-fake-panel{position:absolute;z-index:calc(var(--ck-z-modal) - 1)}.ck .ck-fake-panel div{position:absolute}.ck .ck-fake-panel div:first-child{z-index:2}.ck .ck-fake-panel div:nth-child(2){z-index:1}:root{--ck-balloon-fake-panel-offset-horizontal:6px;--ck-balloon-fake-panel-offset-vertical:6px}.ck .ck-fake-panel div{box-shadow:var(--ck-drop-shadow),0 0;min-height:15px;background:var(--ck-color-panel-background);border:1px solid var(--ck-color-panel-border);border-radius:var(--ck-border-radius);width:100%;height:100%}.ck .ck-fake-panel div:first-child{margin-left:var(--ck-balloon-fake-panel-offset-horizontal);margin-top:var(--ck-balloon-fake-panel-offset-vertical)}.ck .ck-fake-panel div:nth-child(2){margin-left:calc(var(--ck-balloon-fake-panel-offset-horizontal)*2);margin-top:calc(var(--ck-balloon-fake-panel-offset-vertical)*2)}.ck .ck-fake-panel div:nth-child(3){margin-left:calc(var(--ck-balloon-fake-panel-offset-horizontal)*3);margin-top:calc(var(--ck-balloon-fake-panel-offset-vertical)*3)}.ck .ck-balloon-panel_arrow_s+.ck-fake-panel,.ck .ck-balloon-panel_arrow_se+.ck-fake-panel,.ck .ck-balloon-panel_arrow_sw+.ck-fake-panel{--ck-balloon-fake-panel-offset-vertical:-6px}"},function(e,t,n){var i=n(1),o=n(79);"string"==typeof(o=o.__esModule?o.default:o)&&(o=[[e.i,o,""]]);var r={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};i(o,r);e.exports=o.locals||{}},function(e,t){e.exports=".ck-content .image{display:table;clear:both;text-align:center;margin:1em auto}.ck-content .image img{display:block;margin:0 auto;max-width:100%;min-width:50px}"},function(e,t,n){var i=n(1),o=n(81);"string"==typeof(o=o.__esModule?o.default:o)&&(o=[[e.i,o,""]]);var r={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};i(o,r);e.exports=o.locals||{}},function(e,t){e.exports=".ck-content .image>figcaption{display:table-caption;caption-side:bottom;word-break:break-word;color:#333;background-color:#f7f7f7;padding:.6em;font-size:.75em;outline-offset:-1px}"},function(e,t,n){var i=n(1),o=n(83);"string"==typeof(o=o.__esModule?o.default:o)&&(o=[[e.i,o,""]]);var r={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};i(o,r);e.exports=o.locals||{}},function(e,t){e.exports=".ck .ck-widget_with-resizer{position:relative}.ck .ck-widget__resizer{display:none;position:absolute;pointer-events:none;left:0;top:0;outline:1px solid var(--ck-color-resizer)}.ck-focused .ck-widget_with-resizer.ck-widget_selected>.ck-widget__resizer{display:block}.ck .ck-widget__resizer__handle{position:absolute;pointer-events:all;width:var(--ck-resizer-size);height:var(--ck-resizer-size);background:var(--ck-color-focus-border);border:var(--ck-resizer-border-width) solid #fff;border-radius:var(--ck-resizer-border-radius)}.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-top-left{top:var(--ck-resizer-offset);left:var(--ck-resizer-offset);cursor:nwse-resize}.ck 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i=n(1),o=n(89);"string"==typeof(o=o.__esModule?o.default:o)&&(o=[[e.i,o,""]]);var r={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};i(o,r);e.exports=o.locals||{}},function(e,t){e.exports=".ck.ck-editor__editable .image{position:relative}.ck.ck-editor__editable .image .ck-progress-bar{position:absolute;top:0;left:0}.ck.ck-editor__editable .image.ck-appear{animation:fadeIn .7s}.ck.ck-editor__editable .image .ck-progress-bar{height:2px;width:0;background:var(--ck-color-upload-bar-background);transition:width .1s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}"},function(e,t,n){var i=n(1),o=n(91);"string"==typeof(o=o.__esModule?o.default:o)&&(o=[[e.i,o,""]]);var r={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};i(o,r);e.exports=o.locals||{}},function(e,t){e.exports='.ck-image-upload-complete-icon{display:block;position:absolute;top:10px;right:10px;border-radius:50%}.ck-image-upload-complete-icon:after{content:"";position:absolute}:root{--ck-color-image-upload-icon:#fff;--ck-color-image-upload-icon-background:#008a00;--ck-image-upload-icon-size:20px;--ck-image-upload-icon-width:2px}.ck-image-upload-complete-icon{width:var(--ck-image-upload-icon-size);height:var(--ck-image-upload-icon-size);opacity:0;background:var(--ck-color-image-upload-icon-background);animation-name:ck-upload-complete-icon-show,ck-upload-complete-icon-hide;animation-fill-mode:forwards,forwards;animation-duration:.5s,.5s;font-size:var(--ck-image-upload-icon-size);animation-delay:0ms,3s}.ck-image-upload-complete-icon:after{left:25%;top:50%;opacity:0;height:0;width:0;transform:scaleX(-1) rotate(135deg);transform-origin:left 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solid var(--ck-color-base-border)}[dir=rtl] .ck.ck-link-form .ck-button{margin-left:0}[dir=rtl] .ck.ck-link-form .ck-button:last-of-type{border-right:1px solid var(--ck-color-base-border)}}.ck.ck-link-form_layout-vertical{padding:0;min-width:var(--ck-input-text-width)}.ck.ck-link-form_layout-vertical .ck-labeled-field-view{margin:var(--ck-spacing-standard) var(--ck-spacing-standard) var(--ck-spacing-small)}.ck.ck-link-form_layout-vertical .ck-labeled-field-view .ck-input-text{min-width:0;width:100%}.ck.ck-link-form_layout-vertical .ck-button{padding:var(--ck-spacing-standard);margin:0;border-radius:0;border:0;border-top:1px solid var(--ck-color-base-border);width:50%}[dir=ltr] .ck.ck-link-form_layout-vertical .ck-button{margin-left:0}[dir=ltr] .ck.ck-link-form_layout-vertical .ck-button:first-of-type{border-right:1px solid var(--ck-color-base-border)}[dir=rtl] .ck.ck-link-form_layout-vertical .ck-button{margin-left:0}[dir=rtl] .ck.ck-link-form_layout-vertical .ck-button:last-of-type{border-right:1px solid var(--ck-color-base-border)}.ck.ck-link-form_layout-vertical .ck.ck-list{margin-left:0}.ck.ck-link-form_layout-vertical .ck.ck-list .ck-button.ck-switchbutton{border:0;width:100%}.ck.ck-link-form_layout-vertical .ck.ck-list .ck-button.ck-switchbutton:hover{background:none}"},function(e,t,n){var i=n(1),o=n(97);"string"==typeof(o=o.__esModule?o.default:o)&&(o=[[e.i,o,""]]);var r={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};i(o,r);e.exports=o.locals||{}},function(e,t){e.exports=".ck.ck-link-actions{display:flex;flex-direction:row;flex-wrap:nowrap}.ck.ck-link-actions .ck-link-actions__preview{display:inline-block}.ck.ck-link-actions .ck-link-actions__preview .ck-button__label{overflow:hidden}@media screen and (max-width:600px){.ck.ck-link-actions{flex-wrap:wrap}.ck.ck-link-actions .ck-link-actions__preview{flex-basis:100%}.ck.ck-link-actions .ck-button:not(.ck-link-actions__preview){flex-basis:50%}}.ck.ck-link-actions{padding:var(--ck-spacing-standard)}.ck.ck-link-actions .ck-button.ck-link-actions__preview{padding-left:0;padding-right:0}.ck.ck-link-actions .ck-button.ck-link-actions__preview .ck-button__label{padding:0 var(--ck-spacing-medium);color:var(--ck-color-link-default);text-overflow:ellipsis;cursor:pointer;max-width:var(--ck-input-text-width);min-width:3em;text-align:center}.ck.ck-link-actions .ck-button.ck-link-actions__preview .ck-button__label:hover{text-decoration:underline}.ck.ck-link-actions .ck-button.ck-link-actions__preview,.ck.ck-link-actions .ck-button.ck-link-actions__preview:active,.ck.ck-link-actions .ck-button.ck-link-actions__preview:focus,.ck.ck-link-actions .ck-button.ck-link-actions__preview:hover{background:none}.ck.ck-link-actions .ck-button.ck-link-actions__preview:active{box-shadow:none}.ck.ck-link-actions .ck-button.ck-link-actions__preview:focus .ck-button__label{text-decoration:underline}.ck.ck-link-actions:focus{outline:none}[dir=ltr] .ck.ck-link-actions .ck-button:not(:first-child),[dir=rtl] .ck.ck-link-actions .ck-button:not(:last-child){margin-left:var(--ck-spacing-standard)}@media screen and (max-width:600px){.ck.ck-link-actions{padding:0;width:calc(0.8*var(--ck-input-text-width))}.ck.ck-link-actions .ck-button.ck-link-actions__preview{margin:var(--ck-spacing-standard) var(--ck-spacing-standard) 0}.ck.ck-link-actions .ck-button.ck-link-actions__preview .ck-button__label{min-width:0;max-width:100%}.ck.ck-link-actions .ck-button:not(.ck-link-actions__preview){padding:var(--ck-spacing-standard);margin-top:var(--ck-spacing-standard);border-radius:0;border:0;border-top:1px solid var(--ck-color-base-border)}[dir=ltr] .ck.ck-link-actions .ck-button:not(.ck-link-actions__preview){margin-left:0}[dir=ltr] .ck.ck-link-actions .ck-button:not(.ck-link-actions__preview):first-of-type{border-right:1px solid var(--ck-color-base-border)}[dir=rtl] .ck.ck-link-actions .ck-button:not(.ck-link-actions__preview){margin-left:0}[dir=rtl] .ck.ck-link-actions .ck-button:not(.ck-link-actions__preview):last-of-type{border-right:1px solid var(--ck-color-base-border)}}"},function(e,t,n){var i=n(1),o=n(99);"string"==typeof(o=o.__esModule?o.default:o)&&(o=[[e.i,o,""]]);var r={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};i(o,r);e.exports=o.locals||{}},function(e,t){e.exports=".ck.ck-link-image_icon{position:absolute;top:var(--ck-spacing-medium);right:var(--ck-spacing-medium);width:28px;height:28px;padding:4px;box-sizing:border-box;border-radius:var(--ck-border-radius)}.ck.ck-link-image_icon svg{fill:currentColor}.ck.ck-link-image_icon{color:#fff;background:rgba(0,0,0,.4)}"},function(e,t,n){var i=n(1),o=n(101);"string"==typeof(o=o.__esModule?o.default:o)&&(o=[[e.i,o,""]]);var r={injectType:"singletonStyleTag",attributes:{"data-cke":!0},insert:"head",singleton:!0};i(o,r);e.exports=o.locals||{}},function(e,t){e.exports='.ck-media__wrapper .ck-media__placeholder{display:flex;flex-direction:column;align-items:center}.ck-media__wrapper .ck-media__placeholder .ck-media__placeholder__url .ck-tooltip{display:block}@media (hover:none){.ck-media__wrapper .ck-media__placeholder .ck-media__placeholder__url .ck-tooltip{display:none}}.ck-media__wrapper .ck-media__placeholder .ck-media__placeholder__url{max-width:100%;position:relative}.ck-media__wrapper .ck-media__placeholder .ck-media__placeholder__url:hover .ck-tooltip{visibility:visible;opacity:1}.ck-media__wrapper .ck-media__placeholder .ck-media__placeholder__url .ck-media__placeholder__url__text{overflow:hidden;display:block}.ck-media__wrapper[data-oembed-url*="facebook.com"] .ck-media__placeholder__icon *,.ck-media__wrapper[data-oembed-url*="google.com/maps"] .ck-media__placeholder__icon 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s[r],Object.keys(s).length||(n.delete(o),this.stopListening(o,"change"))}),t.delete(e)})}else n.forEach((e,t)=>{this.stopListening(t,"change")}),n.clear(),t.clear()},decorate(e){const t=this[e];if(!t)throw new hn.b("observablemixin-cannot-decorate-undefined: Cannot decorate an undefined method.",this,{object:this,methodName:e});this.on(e,(e,n)=>{e.return=t.apply(this,n)}),this[e]=function(...t){return this.fire(e,t)}}};Li(Fi,fn);var Hi=Fi;function Ui(e){e[Vi]||(Object.defineProperty(e,Vi,{value:new Map}),Object.defineProperty(e,ji,{value:new Map}),Object.defineProperty(e,Bi,{value:new Map}))}function Wi(...e){const t=function(...e){if(!e.length)throw new hn.b("observable-bind-to-parse-error: Invalid argument syntax in `to()`.",null);const t={to:[]};let n;"function"==typeof e[e.length-1]&&(t.callback=e.pop());return e.forEach(e=>{if("string"==typeof e)n.properties.push(e);else{if("object"!=typeof e)throw new hn.b("observable-bind-to-parse-error: Invalid argument syntax in `to()`.",null);n={observable:e,properties:[]},t.to.push(n)}}),t}(...e),n=Array.from(this._bindings.keys()),i=n.length;if(!t.callback&&t.to.length>1)throw new hn.b("observable-bind-to-no-callback: Binding multiple observables only possible with callback.",this);if(i>1&&t.callback)throw new hn.b("observable-bind-to-extra-callback: Cannot bind multiple properties and use a callback in one binding.",this);var o;t.to.forEach(e=>{if(e.properties.length&&e.properties.length!==i)throw new hn.b("observable-bind-to-properties-length: The number of properties must match.",this);e.properties.length||(e.properties=this._bindProperties)}),this._to=t.to,t.callback&&(this._bindings.get(n[0]).callback=t.callback),o=this._observable,this._to.forEach(e=>{const t=o[ji];let n;t.get(e.observable)||o.listenTo(e.observable,"change",(i,r)=>{n=t.get(e.observable)[r],n&&n.forEach(e=>{Gi(o,e.property)})})}),function(e){let t;e._bindings.forEach((n,i)=>{e._to.forEach(o=>{t=o.properties[n.callback?0:e._bindProperties.indexOf(i)],n.to.push([o.observable,t]),function(e,t,n,i){const o=e[ji],r=o.get(n),s=r||{};s[i]||(s[i]=new Set);s[i].add(t),r||o.set(n,s)}(e._observable,n,o.observable,t)})})}(this),this._bindProperties.forEach(e=>{Gi(this._observable,e)})}function qi(e,t,n){if(this._bindings.size>1)throw new hn.b("observable-bind-to-many-not-one-binding: Cannot bind multiple properties with toMany().",this);this.to(...function(e,t){const n=e.map(e=>[e,t]);return Array.prototype.concat.apply([],n)}(e,t),n)}function $i(e){return e.every(e=>"string"==typeof e)}function Gi(e,t){const n=e[Bi].get(t);let i;n.callback?i=n.callback.apply(e,n.to.map(e=>e[0][e[1]])):(i=n.to[0],i=i[0][i[1]]),Object.prototype.hasOwnProperty.call(e,t)?e[t]=i:e.set(t,i)}class Yi extends zi{constructor(e,t,n,i){super(e,t,n,i),this.set("isReadOnly",!1),this.set("isFocused",!1),this.bind("isReadOnly").to(e),this.bind("isFocused").to(e,"isFocused",t=>t&&e.selection.editableElement==this),this.listenTo(e.selection,"change",()=>{this.isFocused=e.isFocused&&e.selection.editableElement==this})}is(e,t=null){return t?t===this.name&&("editableElement"===e||"view:editableElement"===e||"containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e):"editableElement"===e||"view:editableElement"===e||"containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e||"node"===e||"view:node"===e}destroy(){this.stopListening()}}xn(Yi,Hi);const Ki=Symbol("rootName");class Qi extends Yi{constructor(e,t){super(e,t),this.rootName="main"}is(e,t=null){return t?t===this.name&&("rootElement"===e||"view:rootElement"===e||"editableElement"===e||"view:editableElement"===e||"containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e):"rootElement"===e||"view:rootElement"===e||"editableElement"===e||"view:editableElement"===e||"containerElement"===e||"view:containerElement"===e||"element"===e||"view:element"===e||"node"===e||"view:node"===e}get rootName(){return this.getCustomProperty(Ki)}set rootName(e){this._setCustomProperty(Ki,e)}set _name(e){this.name=e}}class Ji{constructor(e={}){if(!e.boundaries&&!e.startPosition)throw new hn.b("view-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.",null);if(e.direction&&"forward"!=e.direction&&"backward"!=e.direction)throw new hn.b("view-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.",e.startPosition,{direction:e.direction});this.boundaries=e.boundaries||null,e.startPosition?this.position=Zi._createAt(e.startPosition):this.position=Zi._createAt(e.boundaries["backward"==e.direction?"end":"start"]),this.direction=e.direction||"forward",this.singleCharacters=!!e.singleCharacters,this.shallow=!!e.shallow,this.ignoreElementEnd=!!e.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null}[Symbol.iterator](){return this}skip(e){let t,n,i;do{i=this.position,({done:t,value:n}=this.next())}while(!t&&e(n));t||(this.position=i)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){let e=this.position.clone();const t=this.position,n=e.parent;if(null===n.parent&&e.offset===n.childCount)return{done:!0};if(n===this._boundaryEndParent&&e.offset==this.boundaries.end.offset)return{done:!0};let i;if(n instanceof On){if(e.isAtEnd)return this.position=Zi._createAfter(n),this._next();i=n.data[e.offset]}else i=n.getChild(e.offset);if(i instanceof Ri)return this.shallow?e.offset++:e=new Zi(i,0),this.position=e,this._formatReturnValue("elementStart",i,t,e,1);if(i instanceof On){if(this.singleCharacters)return e=new Zi(i,0),this.position=e,this._next();{let n,o=i.data.length;return i==this._boundaryEndParent?(o=this.boundaries.end.offset,n=new zn(i,0,o),e=Zi._createAfter(n)):(n=new zn(i,0,i.data.length),e.offset++),this.position=e,this._formatReturnValue("text",n,t,e,o)}}if("string"==typeof i){let i;if(this.singleCharacters)i=1;else{i=(n===this._boundaryEndParent?this.boundaries.end.offset:n.data.length)-e.offset}const o=new zn(n,e.offset,i);return e.offset+=i,this.position=e,this._formatReturnValue("text",o,t,e,i)}return e=Zi._createAfter(n),this.position=e,this.ignoreElementEnd?this._next():this._formatReturnValue("elementEnd",n,t,e)}_previous(){let e=this.position.clone();const t=this.position,n=e.parent;if(null===n.parent&&0===e.offset)return{done:!0};if(n==this._boundaryStartParent&&e.offset==this.boundaries.start.offset)return{done:!0};let i;if(n instanceof On){if(e.isAtStart)return this.position=Zi._createBefore(n),this._previous();i=n.data[e.offset-1]}else i=n.getChild(e.offset-1);if(i instanceof Ri)return this.shallow?(e.offset--,this.position=e,this._formatReturnValue("elementStart",i,t,e,1)):(e=new Zi(i,i.childCount),this.position=e,this.ignoreElementEnd?this._previous():this._formatReturnValue("elementEnd",i,t,e));if(i instanceof On){if(this.singleCharacters)return e=new Zi(i,i.data.length),this.position=e,this._previous();{let n,o=i.data.length;if(i==this._boundaryStartParent){const t=this.boundaries.start.offset;n=new zn(i,t,i.data.length-t),o=n.data.length,e=Zi._createBefore(n)}else n=new zn(i,0,i.data.length),e.offset--;return this.position=e,this._formatReturnValue("text",n,t,e,o)}}if("string"==typeof i){let i;if(this.singleCharacters)i=1;else{const t=n===this._boundaryStartParent?this.boundaries.start.offset:0;i=e.offset-t}e.offset-=i;const o=new zn(n,e.offset,i);return this.position=e,this._formatReturnValue("text",o,t,e,i)}return e=Zi._createBefore(n),this.position=e,this._formatReturnValue("elementStart",n,t,e,1)}_formatReturnValue(e,t,n,i,o){return t instanceof zn&&(t.offsetInText+t.data.length==t.textNode.data.length&&("forward"!=this.direction||this.boundaries&&this.boundaries.end.isEqual(this.position)?n=Zi._createAfter(t.textNode):(i=Zi._createAfter(t.textNode),this.position=i)),0===t.offsetInText&&("backward"!=this.direction||this.boundaries&&this.boundaries.start.isEqual(this.position)?n=Zi._createBefore(t.textNode):(i=Zi._createBefore(t.textNode),this.position=i))),{done:!1,value:{type:e,item:t,previousPosition:n,nextPosition:i,length:o}}}}class Zi{constructor(e,t){this.parent=e,this.offset=t}get nodeAfter(){return this.parent.is("$text")?null:this.parent.getChild(this.offset)||null}get nodeBefore(){return this.parent.is("$text")?null:this.parent.getChild(this.offset-1)||null}get isAtStart(){return 0===this.offset}get isAtEnd(){const e=this.parent.is("$text")?this.parent.data.length:this.parent.childCount;return this.offset===e}get root(){return this.parent.root}get editableElement(){let e=this.parent;for(;!(e instanceof Yi);){if(!e.parent)return null;e=e.parent}return e}getShiftedBy(e){const t=Zi._createAt(this),n=t.offset+e;return t.offset=n<0?0:n,t}getLastMatchingPosition(e,t={}){t.startPosition=this;const n=new Ji(t);return n.skip(e),n.position}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonAncestor(e){const t=this.getAncestors(),n=e.getAncestors();let i=0;for(;t[i]==n[i]&&t[i];)i++;return 0===i?null:t[i-1]}is(e){return"position"===e||"view:position"===e}isEqual(e){return this.parent==e.parent&&this.offset==e.offset}isBefore(e){return"before"==this.compareWith(e)}isAfter(e){return"after"==this.compareWith(e)}compareWith(e){if(this.root!==e.root)return"different";if(this.isEqual(e))return"same";const t=this.parent.is("node")?this.parent.getPath():[],n=e.parent.is("node")?e.parent.getPath():[];t.push(this.offset),n.push(e.offset);const i=In(t,n);switch(i){case"prefix":return"before";case"extension":return"after";default:return t[i]<n[i]?"before":"after"}}getWalker(e={}){return e.startPosition=this,new Ji(e)}clone(){return new Zi(this.parent,this.offset)}static _createAt(e,t){if(e instanceof Zi)return new this(e.parent,e.offset);{const n=e;if("end"==t)t=n.is("$text")?n.data.length:n.childCount;else{if("before"==t)return this._createBefore(n);if("after"==t)return this._createAfter(n);if(0!==t&&!t)throw new hn.b("view-createPositionAt-offset-required: View#createPositionAt() requires the offset when the first parameter is a view item.",n)}return new Zi(n,t)}}static _createAfter(e){if(e.is("$textProxy"))return new Zi(e.textNode,e.offsetInText+e.data.length);if(!e.parent)throw new hn.b("view-position-after-root: You can not make position after root.",e,{root:e});return new Zi(e.parent,e.index+1)}static _createBefore(e){if(e.is("$textProxy"))return new Zi(e.textNode,e.offsetInText);if(!e.parent)throw new hn.b("view-position-before-root: You can not make position before root.",e,{root:e});return new Zi(e.parent,e.index)}}class Xi{constructor(e,t=null){this.start=e.clone(),this.end=t?t.clone():e.clone()}*[Symbol.iterator](){yield*new Ji({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return this.start.parent===this.end.parent}get root(){return this.start.root}getEnlarged(){let e=this.start.getLastMatchingPosition(eo,{direction:"backward"}),t=this.end.getLastMatchingPosition(eo);return e.parent.is("$text")&&e.isAtStart&&(e=Zi._createBefore(e.parent)),t.parent.is("$text")&&t.isAtEnd&&(t=Zi._createAfter(t.parent)),new Xi(e,t)}getTrimmed(){let e=this.start.getLastMatchingPosition(eo);if(e.isAfter(this.end)||e.isEqual(this.end))return new Xi(e,e);let t=this.end.getLastMatchingPosition(eo,{direction:"backward"});const n=e.nodeAfter,i=t.nodeBefore;return n&&n.is("$text")&&(e=new Zi(n,0)),i&&i.is("$text")&&(t=new Zi(i,i.data.length)),new Xi(e,t)}isEqual(e){return this==e||this.start.isEqual(e.start)&&this.end.isEqual(e.end)}containsPosition(e){return e.isAfter(this.start)&&e.isBefore(this.end)}containsRange(e,t=!1){e.isCollapsed&&(t=!1);const n=this.containsPosition(e.start)||t&&this.start.isEqual(e.start),i=this.containsPosition(e.end)||t&&this.end.isEqual(e.end);return n&&i}getDifference(e){const t=[];return this.isIntersecting(e)?(this.containsPosition(e.start)&&t.push(new Xi(this.start,e.start)),this.containsPosition(e.end)&&t.push(new Xi(e.end,this.end))):t.push(this.clone()),t}getIntersection(e){if(this.isIntersecting(e)){let t=this.start,n=this.end;return this.containsPosition(e.start)&&(t=e.start),this.containsPosition(e.end)&&(n=e.end),new Xi(t,n)}return null}getWalker(e={}){return e.boundaries=this,new Ji(e)}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed)return null;let e=this.start.nodeAfter,t=this.end.nodeBefore;return this.start.parent.is("$text")&&this.start.isAtEnd&&this.start.parent.nextSibling&&(e=this.start.parent.nextSibling),this.end.parent.is("$text")&&this.end.isAtStart&&this.end.parent.previousSibling&&(t=this.end.parent.previousSibling),e&&e.is("element")&&e===t?e:null}clone(){return new Xi(this.start,this.end)}*getItems(e={}){e.boundaries=this,e.ignoreElementEnd=!0;const t=new Ji(e);for(const e of t)yield e.item}*getPositions(e={}){e.boundaries=this;const t=new Ji(e);yield t.position;for(const e of t)yield e.nextPosition}is(e){return"range"===e||"view:range"===e}isIntersecting(e){return this.start.isBefore(e.end)&&this.end.isAfter(e.start)}static _createFromParentsAndOffsets(e,t,n,i){return new this(new Zi(e,t),new Zi(n,i))}static _createFromPositionAndShift(e,t){const n=e,i=e.getShiftedBy(t);return t>0?new this(n,i):new this(i,n)}static _createIn(e){return this._createFromParentsAndOffsets(e,0,e,e.childCount)}static _createOn(e){const t=e.is("$textProxy")?e.offsetSize:1;return this._createFromPositionAndShift(Zi._createBefore(e),t)}}function eo(e){return!(!e.item.is("attributeElement")&&!e.item.is("uiElement"))}function to(e){let t=0;for(const n of e)t++;return t}class no{constructor(e=null,t,n){this._ranges=[],this._lastRangeBackward=!1,this._isFake=!1,this._fakeSelectionLabel="",this.setTo(e,t,n)}get isFake(){return this._isFake}get fakeSelectionLabel(){return this._fakeSelectionLabel}get anchor(){if(!this._ranges.length)return null;const e=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?e.end:e.start).clone()}get focus(){if(!this._ranges.length)return null;const e=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?e.start:e.end).clone()}get isCollapsed(){return 1===this.rangeCount&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}get editableElement(){return this.anchor?this.anchor.editableElement:null}*getRanges(){for(const e of this._ranges)yield e.clone()}getFirstRange(){let e=null;for(const t of this._ranges)e&&!t.start.isBefore(e.start)||(e=t);return e?e.clone():null}getLastRange(){let e=null;for(const t of this._ranges)e&&!t.end.isAfter(e.end)||(e=t);return e?e.clone():null}getFirstPosition(){const e=this.getFirstRange();return e?e.start.clone():null}getLastPosition(){const e=this.getLastRange();return e?e.end.clone():null}isEqual(e){if(this.isFake!=e.isFake)return!1;if(this.isFake&&this.fakeSelectionLabel!=e.fakeSelectionLabel)return!1;if(this.rangeCount!=e.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(e.anchor)||!this.focus.isEqual(e.focus))return!1;for(const t of this._ranges){let n=!1;for(const i of e._ranges)if(t.isEqual(i)){n=!0;break}if(!n)return!1}return!0}isSimilar(e){if(this.isBackward!=e.isBackward)return!1;const t=to(this.getRanges());if(t!=to(e.getRanges()))return!1;if(0==t)return!0;for(let t of this.getRanges()){t=t.getTrimmed();let n=!1;for(let i of e.getRanges())if(i=i.getTrimmed(),t.start.isEqual(i.start)&&t.end.isEqual(i.end)){n=!0;break}if(!n)return!1}return!0}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}setTo(e,t,n){if(null===e)this._setRanges([]),this._setFakeOptions(t);else if(e instanceof no||e instanceof io)this._setRanges(e.getRanges(),e.isBackward),this._setFakeOptions({fake:e.isFake,label:e.fakeSelectionLabel});else if(e instanceof Xi)this._setRanges([e],t&&t.backward),this._setFakeOptions(t);else if(e instanceof Zi)this._setRanges([new Xi(e)]),this._setFakeOptions(t);else if(e instanceof Rn){const i=!!n&&!!n.backward;let o;if(void 0===t)throw new hn.b("view-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.",this);o="in"==t?Xi._createIn(e):"on"==t?Xi._createOn(e):new Xi(Zi._createAt(e,t)),this._setRanges([o],i),this._setFakeOptions(n)}else{if(!yn(e))throw new hn.b("view-selection-setTo-not-selectable: Cannot set selection to given place.",this);this._setRanges(e,t&&t.backward),this._setFakeOptions(t)}this.fire("change")}setFocus(e,t){if(null===this.anchor)throw new hn.b("view-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.",this);const n=Zi._createAt(e,t);if("same"==n.compareWith(this.focus))return;const i=this.anchor;this._ranges.pop(),"before"==n.compareWith(i)?this._addRange(new Xi(n,i),!0):this._addRange(new Xi(i,n)),this.fire("change")}is(e){return"selection"===e||"view:selection"===e}_setRanges(e,t=!1){e=Array.from(e),this._ranges=[];for(const t of e)this._addRange(t);this._lastRangeBackward=!!t}_setFakeOptions(e={}){this._isFake=!!e.fake,this._fakeSelectionLabel=e.fake&&e.label||""}_addRange(e,t=!1){if(!(e instanceof Xi))throw new hn.b("view-selection-add-range-not-range: Selection range set to an object that is not an instance of view.Range",this);this._pushRange(e),this._lastRangeBackward=!!t}_pushRange(e){for(const t of this._ranges)if(e.isIntersecting(t))throw new hn.b("view-selection-range-intersects: Trying to add a range that intersects with another range from selection.",this,{addedRange:e,intersectingRange:t});this._ranges.push(new Xi(e.start,e.end))}}xn(no,fn);class io{constructor(e=null,t,n){this._selection=new no,this._selection.delegate("change").to(this),this._selection.setTo(e,t,n)}get isFake(){return this._selection.isFake}get fakeSelectionLabel(){return this._selection.fakeSelectionLabel}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get isCollapsed(){return this._selection.isCollapsed}get rangeCount(){return this._selection.rangeCount}get isBackward(){return this._selection.isBackward}get editableElement(){return this._selection.editableElement}get _ranges(){return this._selection._ranges}*getRanges(){yield*this._selection.getRanges()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getSelectedElement(){return this._selection.getSelectedElement()}isEqual(e){return this._selection.isEqual(e)}isSimilar(e){return this._selection.isSimilar(e)}is(e){return"selection"===e||"documentSelection"==e||"view:selection"==e||"view:documentSelection"==e}_setTo(e,t,n){this._selection.setTo(e,t,n)}_setFocus(e,t){this._selection.setFocus(e,t)}}xn(io,fn);class oo{constructor(e){this.selection=new io,this.roots=new An({idProperty:"rootName"}),this.stylesProcessor=e,this.set("isReadOnly",!1),this.set("isFocused",!1),this.set("isComposing",!1),this._postFixers=new Set}getRoot(e="main"){return this.roots.get(e)}registerPostFixer(e){this._postFixers.add(e)}destroy(){this.roots.map(e=>e.destroy()),this.stopListening()}_callPostFixers(e){let t=!1;do{for(const n of this._postFixers)if(t=n(e),t)break}while(t)}}xn(oo,Hi);class ro extends Ri{constructor(e,t,n,i){super(e,t,n,i),this.getFillerOffset=so,this._priority=10,this._id=null,this._clonesGroup=null}get priority(){return this._priority}get id(){return this._id}getElementsWithSameId(){if(null===this.id)throw new 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n}_removeChildren(e,t=1){this._fireChange("children",this);for(let n=e;n<e+t;n++)this._children[n].parent=null;return this._children.splice(e,t)}_fireChange(e,t){this.fire("change:"+e,t)}}xn(Po,fn);class Eo{constructor(e){this.document=e,this._cloneGroups=new Map}setSelection(e,t,n){this.document.selection._setTo(e,t,n)}setSelectionFocus(e,t){this.document.selection._setFocus(e,t)}createText(e){return new On(this.document,e)}createAttributeElement(e,t,n={}){const i=new ro(this.document,e,t);return n.priority&&(i._priority=n.priority),n.id&&(i._id=n.id),i}createContainerElement(e,t){return new zi(this.document,e,t)}createEditableElement(e,t){const n=new Yi(this.document,e,t);return n._document=this.document,n}createEmptyElement(e,t){return new co(this.document,e,t)}createUIElement(e,t,n){const i=new xo(this.document,e,t);return n&&(i.render=n),i}createRawElement(e,t,n){const i=new To(this.document,e,t);return i.render=n||(()=>{}),i}setAttribute(e,t,n){n._setAttribute(e,t)}removeAttribute(e,t){t._removeAttribute(e)}addClass(e,t){t._addClass(e)}removeClass(e,t){t._removeClass(e)}setStyle(e,t,n){y(e)&&void 0===n&&(n=t),n._setStyle(e,t)}removeStyle(e,t){t._removeStyle(e)}setCustomProperty(e,t,n){n._setCustomProperty(e,t)}removeCustomProperty(e,t){return t._removeCustomProperty(e)}breakAttributes(e){return e instanceof Zi?this._breakAttributes(e):this._breakAttributesRange(e)}breakContainer(e){const t=e.parent;if(!t.is("containerElement"))throw new hn.b("view-writer-break-non-container-element: Trying to break an element which is not a container element.",this.document);if(!t.parent)throw new hn.b("view-writer-break-root: Trying to break root element.",this.document);if(e.isAtStart)return Zi._createBefore(t);if(!e.isAtEnd){const n=t._clone(!1);this.insert(Zi._createAfter(t),n);const i=new Xi(e,Zi._createAt(t,"end")),o=new Zi(n,0);this.move(i,o)}return Zi._createAfter(t)}mergeAttributes(e){const t=e.offset,n=e.parent;if(n.is("$text"))return e;if(n.is("attributeElement")&&0===n.childCount){const e=n.parent,t=n.index;return n._remove(),this._removeFromClonedElementsGroup(n),this.mergeAttributes(new Zi(e,t))}const i=n.getChild(t-1),o=n.getChild(t);if(!i||!o)return e;if(i.is("$text")&&o.is("$text"))return Oo(i,o);if(i.is("attributeElement")&&o.is("attributeElement")&&i.isSimilar(o)){const e=i.childCount;return i._appendChild(o.getChildren()),o._remove(),this._removeFromClonedElementsGroup(o),this.mergeAttributes(new Zi(i,e))}return e}mergeContainers(e){const t=e.nodeBefore,n=e.nodeAfter;if(!(t&&n&&t.is("containerElement")&&n.is("containerElement")))throw new hn.b("view-writer-merge-containers-invalid-position: Element before and after given position cannot be merged.",this.document);const i=t.getChild(t.childCount-1),o=i instanceof On?Zi._createAt(i,"end"):Zi._createAt(t,"end");return this.move(Xi._createIn(n),Zi._createAt(t,"end")),this.remove(Xi._createOn(n)),o}insert(e,t){(function e(t,n){for(const i of t){if(!zo.some(e=>i instanceof e))throw new hn.b("view-writer-insert-invalid-node",n);i.is("$text")||e(i.getChildren(),n)}})(t=yn(t)?[...t]:[t],this.document);const n=Mo(e);if(!n)throw new hn.b("view-writer-invalid-position-container",this.document);const i=this._breakAttributes(e,!0),o=n._insertChild(i.offset,t);for(const e of t)this._addToClonedElementsGroup(e);const r=i.getShiftedBy(o),s=this.mergeAttributes(i);if(0===o)return new Xi(s,s);{s.isEqual(i)||r.offset--;const e=this.mergeAttributes(r);return new Xi(s,e)}}remove(e){const t=e instanceof Xi?e:Xi._createOn(e);if(Lo(t,this.document),t.isCollapsed)return new Po(this.document);const{start:n,end:i}=this._breakAttributesRange(t,!0),o=n.parent,r=i.offset-n.offset,s=o._removeChildren(n.offset,r);for(const e of s)this._removeFromClonedElementsGroup(e);const a=this.mergeAttributes(n);return t.start=a,t.end=a.clone(),new Po(this.document,s)}clear(e,t){Lo(e,this.document);const n=e.getWalker({direction:"backward",ignoreElementEnd:!0});for(const i of n){const n=i.item;let o;if(n.is("element")&&t.isSimilar(n))o=Xi._createOn(n);else if(!i.nextPosition.isAfter(e.start)&&n.is("$textProxy")){const e=n.getAncestors().find(e=>e.is("element")&&t.isSimilar(e));e&&(o=Xi._createIn(e))}o&&(o.end.isAfter(e.end)&&(o.end=e.end),o.start.isBefore(e.start)&&(o.start=e.start),this.remove(o))}}move(e,t){let n;if(t.isAfter(e.end)){const i=(t=this._breakAttributes(t,!0)).parent,o=i.childCount;e=this._breakAttributesRange(e,!0),n=this.remove(e),t.offset+=i.childCount-o}else n=this.remove(e);return this.insert(t,n)}wrap(e,t){if(!(t instanceof ro))throw new hn.b("view-writer-wrap-invalid-attribute",this.document);if(Lo(e,this.document),e.isCollapsed){let i=e.start;i.parent.is("element")&&(n=i.parent,!Array.from(n.getChildren()).some(e=>!e.is("uiElement")))&&(i=i.getLastMatchingPosition(e=>e.item.is("uiElement"))),i=this._wrapPosition(i,t);const o=this.document.selection;return o.isCollapsed&&o.getFirstPosition().isEqual(e.start)&&this.setSelection(i),new Xi(i)}return this._wrapRange(e,t);var n}unwrap(e,t){if(!(t instanceof ro))throw new hn.b("view-writer-unwrap-invalid-attribute",this.document);if(Lo(e,this.document),e.isCollapsed)return e;const{start:n,end:i}=this._breakAttributesRange(e,!0),o=n.parent,r=this._unwrapChildren(o,n.offset,i.offset,t),s=this.mergeAttributes(r.start);s.isEqual(r.start)||r.end.offset--;const a=this.mergeAttributes(r.end);return new Xi(s,a)}rename(e,t){const n=new zi(this.document,e,t.getAttributes());return this.insert(Zi._createAfter(t),n),this.move(Xi._createIn(t),Zi._createAt(n,0)),this.remove(Xi._createOn(t)),n}clearClonedElementsGroup(e){this._cloneGroups.delete(e)}createPositionAt(e,t){return Zi._createAt(e,t)}createPositionAfter(e){return Zi._createAfter(e)}createPositionBefore(e){return Zi._createBefore(e)}createRange(e,t){return new Xi(e,t)}createRangeOn(e){return Xi._createOn(e)}createRangeIn(e){return Xi._createIn(e)}createSelection(e,t,n){return new no(e,t,n)}_wrapChildren(e,t,n,i){let o=t;const r=[];for(;o<n;){const t=e.getChild(o),n=t.is("$text"),s=t.is("attributeElement"),a=t.is("emptyElement"),c=t.is("uiElement"),l=t.is("rawElement");if(s&&this._wrapAttributeElement(i,t))r.push(new Zi(e,o));else if(n||a||c||l||s&&Io(i,t)){const n=i._clone();t._remove(),n._appendChild(t),e._insertChild(o,n),this._addToClonedElementsGroup(n),r.push(new Zi(e,o))}else s&&this._wrapChildren(t,0,t.childCount,i);o++}let s=0;for(const e of r){if(e.offset-=s,e.offset==t)continue;this.mergeAttributes(e).isEqual(e)||(s++,n--)}return Xi._createFromParentsAndOffsets(e,t,e,n)}_unwrapChildren(e,t,n,i){let o=t;const r=[];for(;o<n;){const t=e.getChild(o);if(t.is("attributeElement"))if(t.isSimilar(i)){const i=t.getChildren(),s=t.childCount;t._remove(),e._insertChild(o,i),this._removeFromClonedElementsGroup(t),r.push(new Zi(e,o),new Zi(e,o+s)),o+=s,n+=s-1}else this._unwrapAttributeElement(i,t)?(r.push(new Zi(e,o),new Zi(e,o+1)),o++):(this._unwrapChildren(t,0,t.childCount,i),o++);else o++}let s=0;for(const e of r){if(e.offset-=s,e.offset==t||e.offset==n)continue;this.mergeAttributes(e).isEqual(e)||(s++,n--)}return Xi._createFromParentsAndOffsets(e,t,e,n)}_wrapRange(e,t){const{start:n,end:i}=this._breakAttributesRange(e,!0),o=n.parent,r=this._wrapChildren(o,n.offset,i.offset,t),s=this.mergeAttributes(r.start);s.isEqual(r.start)||r.end.offset--;const a=this.mergeAttributes(r.end);return new Xi(s,a)}_wrapPosition(e,t){if(t.isSimilar(e.parent))return No(e.clone());e.parent.is("$text")&&(e=Ro(e));const n=this.createAttributeElement();n._priority=Number.POSITIVE_INFINITY,n.isSimilar=()=>!1,e.parent._insertChild(e.offset,n);const i=new Xi(e,e.getShiftedBy(1));this.wrap(i,t);const o=new Zi(n.parent,n.index);n._remove();const r=o.nodeBefore,s=o.nodeAfter;return r instanceof On&&s instanceof On?Oo(r,s):No(o)}_wrapAttributeElement(e,t){if(!Vo(e,t))return!1;if(e.name!==t.name||e.priority!==t.priority)return!1;for(const n of e.getAttributeKeys())if("class"!==n&&"style"!==n&&t.hasAttribute(n)&&t.getAttribute(n)!==e.getAttribute(n))return!1;for(const n of e.getStyleNames())if(t.hasStyle(n)&&t.getStyle(n)!==e.getStyle(n))return!1;for(const n of e.getAttributeKeys())"class"!==n&&"style"!==n&&(t.hasAttribute(n)||this.setAttribute(n,e.getAttribute(n),t));for(const n of e.getStyleNames())t.hasStyle(n)||this.setStyle(n,e.getStyle(n),t);for(const n of e.getClassNames())t.hasClass(n)||this.addClass(n,t);return!0}_unwrapAttributeElement(e,t){if(!Vo(e,t))return!1;if(e.name!==t.name||e.priority!==t.priority)return!1;for(const n of e.getAttributeKeys())if("class"!==n&&"style"!==n&&(!t.hasAttribute(n)||t.getAttribute(n)!==e.getAttribute(n)))return!1;if(!t.hasClass(...e.getClassNames()))return!1;for(const n of e.getStyleNames())if(!t.hasStyle(n)||t.getStyle(n)!==e.getStyle(n))return!1;for(const n of e.getAttributeKeys())"class"!==n&&"style"!==n&&this.removeAttribute(n,t);return this.removeClass(Array.from(e.getClassNames()),t),this.removeStyle(Array.from(e.getStyleNames()),t),!0}_breakAttributesRange(e,t=!1){const n=e.start,i=e.end;if(Lo(e,this.document),e.isCollapsed){const n=this._breakAttributes(e.start,t);return new Xi(n,n)}const o=this._breakAttributes(i,t),r=o.parent.childCount,s=this._breakAttributes(n,t);return o.offset+=o.parent.childCount-r,new Xi(s,o)}_breakAttributes(e,t=!1){const n=e.offset,i=e.parent;if(e.parent.is("emptyElement"))throw new hn.b("view-writer-cannot-break-empty-element",this.document);if(e.parent.is("uiElement"))throw new 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this.markedAttributes)this._updateAttrs(e);for(const t of this.markedChildren)this._updateChildren(t,{inlineFillerPosition:e});for(const t of this.markedTexts)!this.markedChildren.has(t.parent)&&this.domConverter.mapViewToDom(t.parent)&&this._updateText(t,{inlineFillerPosition:e});if(e){const t=this.domConverter.viewPositionToDom(e),n=t.parent.ownerDocument;Uo(t.parent)?this._inlineFiller=t.parent:this._inlineFiller=tr(n,t.parent,t.offset)}else this._inlineFiller=null;this._updateSelection(),this._updateFocus(),this.markedTexts.clear(),this.markedAttributes.clear(),this.markedChildren.clear()}_updateChildrenMappings(e){const t=this.domConverter.mapViewToDom(e);if(!t)return;const n=this.domConverter.mapViewToDom(e).childNodes,i=Array.from(this.domConverter.viewChildrenToDom(e,t.ownerDocument,{withChildren:!1})),o=this._diffNodeLists(n,i),r=this._findReplaceActions(o,n,i);if(-1!==r.indexOf("replace")){const t={equal:0,insert:0,delete:0};for(const o of r)if("replace"===o){const 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e=this.domConverter.mapViewToDom(this.selection.editableElement);this.isFocused&&e&&(this.selection.isFake?this._updateFakeSelection(e):(this._removeFakeSelection(),this._updateDomSelection(e)))}_updateFakeSelection(e){const t=e.ownerDocument;this._fakeSelectionContainer||(this._fakeSelectionContainer=function(e){const t=e.createElement("div");return Object.assign(t.style,{position:"fixed",top:0,left:"-9999px",width:"42px"}),t.textContent=" ",t}(t));const n=this._fakeSelectionContainer;if(this.domConverter.bindFakeSelection(n,this.selection),!this._fakeSelectionNeedsUpdate(e))return;n.parentElement&&n.parentElement==e||e.appendChild(n),n.textContent=this.selection.fakeSelectionLabel||" ";const i=t.getSelection(),o=t.createRange();i.removeAllRanges(),o.selectNodeContents(n),i.addRange(o)}_updateDomSelection(e){const t=e.ownerDocument.defaultView.getSelection();if(!this._domSelectionNeedsUpdate(t))return;const 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cr{constructor(e,t={}){this.document=e,this.blockFillerMode=t.blockFillerMode||"br",this.preElements=["pre"],this.blockElements=["p","div","h1","h2","h3","h4","h5","h6","li","dd","dt","figcaption","td","th"],this._blockFiller="br"==this.blockFillerMode?Fo:Bo,this._domToViewMapping=new WeakMap,this._viewToDomMapping=new WeakMap,this._fakeSelectionMapping=new WeakMap}bindFakeSelection(e,t){this._fakeSelectionMapping.set(e,new no(t))}fakeSelectionToView(e){return this._fakeSelectionMapping.get(e)}bindElements(e,t){this._domToViewMapping.set(e,t),this._viewToDomMapping.set(t,e)}unbindDomElement(e){const t=this._domToViewMapping.get(e);if(t){this._domToViewMapping.delete(e),this._viewToDomMapping.delete(t);for(const t of e.childNodes)this.unbindDomElement(t)}}bindDocumentFragments(e,t){this._domToViewMapping.set(e,t),this._viewToDomMapping.set(t,e)}viewToDom(e,t,n={}){if(e.is("$text")){const n=this._processDataFromViewText(e);return t.createTextNode(n)}{if(this.mapViewToDom(e))return 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n=this.mapDomToView(e);if(n&&(n.is("uiElement")||n.is("rawElement")))return Zi._createBefore(n);if(jo(e)){if(Wo(e))return this.domPositionToView(e.parentNode,rr(e));const n=this.findCorrespondingViewText(e);let i=t;return n?(Uo(e)&&(i-=7,i=i<0?0:i),new Zi(n,i)):null}if(0===t){const t=this.mapDomToView(e);if(t)return new Zi(t,0)}else{const n=e.childNodes[t-1],i=jo(n)?this.findCorrespondingViewText(n):this.mapDomToView(n);if(i&&i.parent)return new Zi(i.parent,i.index+1)}return null}mapDomToView(e){return this.getHostViewElement(e)||this._domToViewMapping.get(e)}findCorrespondingViewText(e){if(Wo(e))return null;const t=this.getHostViewElement(e);if(t)return t;const n=e.previousSibling;if(n){if(!this.isElement(n))return null;const e=this.mapDomToView(n);if(e){return e.nextSibling instanceof On?e.nextSibling:null}}else{const t=this.mapDomToView(e.parentNode);if(t){const e=t.getChild(0);return e instanceof On?e:null}}return null}mapViewToDom(e){return this._viewToDomMapping.get(e)}findCorrespondingDomText(e){const t=e.previousSibling;return t&&this.mapViewToDom(t)?this.mapViewToDom(t).nextSibling:!t&&e.parent&&this.mapViewToDom(e.parent)?this.mapViewToDom(e.parent).childNodes[0]:null}focus(e){const t=this.mapViewToDom(e);if(t&&t.ownerDocument.activeElement!==t){const{scrollX:e,scrollY:n}=or.window,i=[];dr(t,e=>{const{scrollLeft:t,scrollTop:n}=e;i.push([t,n])}),t.focus(),dr(t,e=>{const[t,n]=i.shift();e.scrollLeft=t,e.scrollTop=n}),or.window.scrollTo(e,n)}}isElement(e){return e&&e.nodeType==Node.ELEMENT_NODE}isDocumentFragment(e){return e&&e.nodeType==Node.DOCUMENT_FRAGMENT_NODE}isComment(e){return e&&e.nodeType==Node.COMMENT_NODE}isBlockFiller(e){return"br"==this.blockFillerMode?e.isEqualNode(ar):!("BR"!==e.tagName||!ur(e,this.blockElements)||1!==e.parentNode.childNodes.length)||function(e,t){return jo(e)&&" "==e.data&&ur(e,t)&&1===e.parentNode.childNodes.length}(e,this.blockElements)}isDomSelectionBackward(e){if(e.isCollapsed)return!1;const t=document.createRange();t.setStart(e.anchorNode,e.anchorOffset),t.setEnd(e.focusNode,e.focusOffset);const n=t.collapsed;return t.detach(),n}getHostViewElement(e){const t=sr(e);for(t.pop();t.length;){const e=t.pop(),n=this._domToViewMapping.get(e);if(n&&(n.is("uiElement")||n.is("rawElement")))return n}return null}isDomSelectionCorrect(e){return this._isDomSelectionPositionCorrect(e.anchorNode,e.anchorOffset)&&this._isDomSelectionPositionCorrect(e.focusNode,e.focusOffset)}_isDomSelectionPositionCorrect(e,t){if(jo(e)&&Uo(e)&&t<7)return!1;if(this.isElement(e)&&Uo(e.childNodes[t]))return!1;const n=this.mapDomToView(e);return!n||!n.is("uiElement")&&!n.is("rawElement")}_processDataFromViewText(e){let t=e.data;if(e.getAncestors().some(e=>this.preElements.includes(e.name)))return t;if(" "==t.charAt(0)){const 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t,n,i;if(hr(e))t=e.innerWidth-e.document.documentElement.clientWidth,n=e.innerHeight-e.document.documentElement.clientHeight,i=e.getComputedStyle(e.document.documentElement).direction;else{const o=ts(this._source);t=e.offsetWidth-e.clientWidth-o.left-o.right,n=e.offsetHeight-e.clientHeight-o.top-o.bottom,i=e.ownerDocument.defaultView.getComputedStyle(e).direction,this.left+=o.left,this.top+=o.top,this.right-=o.right,this.bottom-=o.bottom,this.width=this.right-this.left,this.height=this.bottom-this.top}return this.width-=t,"ltr"===i?this.right-=t:this.left+=t,this.height-=n,this.bottom-=n,this}static getDomRangeRects(e){const t=[],n=Array.from(e.getClientRects());if(n.length)for(const e of n)t.push(new is(e));else{let n=e.startContainer;jo(n)&&(n=n.parentNode);const i=new is(n.getBoundingClientRect());i.right=i.left,i.width=0,t.push(i)}return t}}function os(e,t){for(const n of ns)e[n]=t[n]}function rs(e){return!!nn(e)&&e===e.ownerDocument.body}function ss({target:e,viewportOffset:t=0}){const n=ms(e);let i=n,o=null;for(;i;){let r;r=gs(i==n?e:o),cs(r,()=>fs(e,i));const s=fs(e,i);if(as(i,s,t),i.parent!=i){if(o=i.frameElement,i=i.parent,!o)return}else i=null}}function as(e,t,n){const i=t.clone().moveBy(0,n),o=t.clone().moveBy(0,-n),r=new is(e).excludeScrollbarsAndBorders();if(![o,i].every(e=>r.contains(e))){let{scrollX:s,scrollY:a}=e;ds(o,r)?a-=r.top-t.top+n:ls(i,r)&&(a+=t.bottom-r.bottom+n),us(t,r)?s-=r.left-t.left+n:hs(t,r)&&(s+=t.right-r.right+n),e.scrollTo(s,a)}}function cs(e,t){const n=ms(e);let i,o;for(;e!=n.document.body;)o=t(),i=new is(e).excludeScrollbarsAndBorders(),i.contains(o)||(ds(o,i)?e.scrollTop-=i.top-o.top:ls(o,i)&&(e.scrollTop+=o.bottom-i.bottom),us(o,i)?e.scrollLeft-=i.left-o.left:hs(o,i)&&(e.scrollLeft+=o.right-i.right)),e=e.parentNode}function ls(e,t){return e.bottom>t.bottom}function ds(e,t){return e.top<t.top}function us(e,t){return e.left<t.left}function hs(e,t){return e.right>t.right}function ms(e){return es(e)?e.startContainer.ownerDocument.defaultView:e.ownerDocument.defaultView}function gs(e){if(es(e)){let t=e.commonAncestorContainer;return jo(t)&&(t=t.parentNode),t}return e.parentNode}function fs(e,t){const n=ms(e),i=new is(e);if(n===t)return i;{let e=n;for(;e!=t;){const t=e.frameElement,n=new is(t).excludeScrollbarsAndBorders();i.moveBy(n.left,n.top),e=e.parent}}return i}Object.assign({},{scrollViewportToShowTarget:ss,scrollAncestorsToShowTarget:function(e){cs(gs(e),()=>new is(e))}});class ps{constructor(e){this.document=new oo(e),this.domConverter=new cr(this.document),this.domRoots=new Map,this.set("isRenderingInProgress",!1),this.set("hasDomSelection",!1),this._renderer=new er(this.domConverter,this.document.selection),this._renderer.bind("isFocused").to(this.document),this._initialDomRootAttributes=new WeakMap,this._observers=new Map,this._ongoingChange=!1,this._postFixersInProgress=!1,this._renderingDisabled=!1,this._hasChangedSinceTheLastRendering=!1,this._writer=new Eo(this.document),this.addObserver(zr),this.addObserver(Qr),this.addObserver(Jr),this.addObserver(Vr),this.addObserver(Kr),this.addObserver(Zr),ho.isAndroid&&this.addObserver(Xr),this.document.on("keydown",$o),Ao(this),this.on("render",()=>{this._render(),this.document.fire("layoutChanged"),this._hasChangedSinceTheLastRendering=!1}),this.listenTo(this.document.selection,"change",()=>{this._hasChangedSinceTheLastRendering=!0})}attachDomRoot(e,t="main"){const n=this.document.getRoot(t);n._name=e.tagName.toLowerCase();const i={};for(const{name:t,value:o}of Array.from(e.attributes))i[t]=o,"class"===t?this._writer.addClass(o.split(" "),n):this._writer.setAttribute(t,o,n);this._initialDomRootAttributes.set(e,i);const o=()=>{this._writer.setAttribute("contenteditable",!n.isReadOnly,n),n.isReadOnly?this._writer.addClass("ck-read-only",n):this._writer.removeClass("ck-read-only",n)};o(),this.domRoots.set(t,e),this.domConverter.bindElements(e,n),this._renderer.markToSync("children",n),this._renderer.markToSync("attributes",n),this._renderer.domDocuments.add(e.ownerDocument),n.on("change:children",(e,t)=>this._renderer.markToSync("children",t)),n.on("change:attributes",(e,t)=>this._renderer.markToSync("attributes",t)),n.on("change:text",(e,t)=>this._renderer.markToSync("text",t)),n.on("change:isReadOnly",()=>this.change(o)),n.on("change",()=>{this._hasChangedSinceTheLastRendering=!0});for(const n of this._observers.values())n.observe(e,t)}detachDomRoot(e){const t=this.domRoots.get(e);Array.from(t.attributes).forEach(({name:e})=>t.removeAttribute(e));const n=this._initialDomRootAttributes.get(t);for(const e in n)t.setAttribute(e,n[e]);this.domRoots.delete(e),this.domConverter.unbindDomElement(t)}getDomRoot(e="main"){return this.domRoots.get(e)}addObserver(e){let t=this._observers.get(e);if(t)return t;t=new e(this),this._observers.set(e,t);for(const[e,n]of this.domRoots)t.observe(n,e);return t.enable(),t}getObserver(e){return this._observers.get(e)}disableObservers(){for(const e of this._observers.values())e.disable()}enableObservers(){for(const e of this._observers.values())e.enable()}scrollToTheSelection(){const e=this.document.selection.getFirstRange();e&&ss({target:this.domConverter.viewRangeToDom(e),viewportOffset:20})}focus(){if(!this.document.isFocused){const e=this.document.selection.editableElement;e&&(this.domConverter.focus(e),this.forceRender())}}change(e){if(this.isRenderingInProgress||this._postFixersInProgress)throw new hn.b("cannot-change-view-tree: Attempting to make changes to the view when it is in an incorrect state: rendering or post-fixers are in progress. This may cause some unexpected behavior and inconsistency between the DOM and the view.",this);try{if(this._ongoingChange)return e(this._writer);this._ongoingChange=!0;const t=e(this._writer);return this._ongoingChange=!1,!this._renderingDisabled&&this._hasChangedSinceTheLastRendering&&(this._postFixersInProgress=!0,this.document._callPostFixers(this._writer),this._postFixersInProgress=!1,this.fire("render")),t}catch(e){hn.b.rethrowUnexpectedError(e,this)}}forceRender(){this._hasChangedSinceTheLastRendering=!0,this.change(()=>{})}destroy(){for(const e of this._observers.values())e.destroy();this.document.destroy(),this.stopListening()}createPositionAt(e,t){return Zi._createAt(e,t)}createPositionAfter(e){return Zi._createAfter(e)}createPositionBefore(e){return Zi._createBefore(e)}createRange(e,t){return new Xi(e,t)}createRangeOn(e){return Xi._createOn(e)}createRangeIn(e){return Xi._createIn(e)}createSelection(e,t,n){return new no(e,t,n)}_disableRendering(e){this._renderingDisabled=e,0==e&&this.change(()=>{})}_render(){this.isRenderingInProgress=!0,this.disableObservers(),this._renderer.render(),this.enableObservers(),this.isRenderingInProgress=!1}}xn(ps,Hi);class bs{constructor(e){this.parent=null,this._attrs=Dn(e)}get index(){let e;if(!this.parent)return null;if(null===(e=this.parent.getChildIndex(this)))throw new hn.b("model-node-not-found-in-parent: The node's parent does not contain this node.",this);return e}get startOffset(){let e;if(!this.parent)return null;if(null===(e=this.parent.getChildStartOffset(this)))throw new hn.b("model-node-not-found-in-parent: The node's parent does not contain this node.",this);return e}get offsetSize(){return 1}get endOffset(){return this.parent?this.startOffset+this.offsetSize:null}get nextSibling(){const e=this.index;return null!==e&&this.parent.getChild(e+1)||null}get previousSibling(){const e=this.index;return null!==e&&this.parent.getChild(e-1)||null}get root(){let e=this;for(;e.parent;)e=e.parent;return e}isAttached(){return this.root.is("rootElement")}getPath(){const e=[];let t=this;for(;t.parent;)e.unshift(t.startOffset),t=t.parent;return e}getAncestors(e={includeSelf:!1,parentFirst:!1}){const t=[];let n=e.includeSelf?this:this.parent;for(;n;)t[e.parentFirst?"push":"unshift"](n),n=n.parent;return t}getCommonAncestor(e,t={}){const n=this.getAncestors(t),i=e.getAncestors(t);let o=0;for(;n[o]==i[o]&&n[o];)o++;return 0===o?null:n[o-1]}isBefore(e){if(this==e)return!1;if(this.root!==e.root)return!1;const t=this.getPath(),n=e.getPath(),i=In(t,n);switch(i){case"prefix":return!0;case"extension":return!1;default:return t[i]<n[i]}}isAfter(e){return this!=e&&(this.root===e.root&&!this.isBefore(e))}hasAttribute(e){return this._attrs.has(e)}getAttribute(e){return this._attrs.get(e)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}toJSON(){const e={};return this._attrs.size&&(e.attributes=Array.from(this._attrs).reduce((e,t)=>(e[t[0]]=t[1],e),{})),e}is(e){return"node"===e||"model:node"===e}_clone(){return new bs(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(e,t){this._attrs.set(e,t)}_setAttributesTo(e){this._attrs=Dn(e)}_removeAttribute(e){return this._attrs.delete(e)}_clearAttributes(){this._attrs.clear()}}class ws extends bs{constructor(e,t){super(t),this._data=e||""}get offsetSize(){return this.data.length}get data(){return this._data}is(e){return"$text"===e||"model:$text"===e||"text"===e||"model:text"===e||"node"===e||"model:node"===e}toJSON(){const e=super.toJSON();return e.data=this.data,e}_clone(){return new ws(this.data,this.getAttributes())}static fromJSON(e){return new ws(e.data,e.attributes)}}class ks{constructor(e,t,n){if(this.textNode=e,t<0||t>e.offsetSize)throw new hn.b("model-textproxy-wrong-offsetintext: Given offsetInText value is incorrect.",this);if(n<0||t+n>e.offsetSize)throw new hn.b("model-textproxy-wrong-length: Given length value is incorrect.",this);this.data=e.data.substring(t,t+n),this.offsetInText=t}get startOffset(){return null!==this.textNode.startOffset?this.textNode.startOffset+this.offsetInText:null}get offsetSize(){return this.data.length}get endOffset(){return null!==this.startOffset?this.startOffset+this.offsetSize:null}get isPartial(){return this.offsetSize!==this.textNode.offsetSize}get parent(){return this.textNode.parent}get root(){return this.textNode.root}is(e){return"$textProxy"===e||"model:$textProxy"===e||"textProxy"===e||"model:textProxy"===e}getPath(){const e=this.textNode.getPath();return e.length>0&&(e[e.length-1]+=this.offsetInText),e}getAncestors(e={includeSelf:!1,parentFirst:!1}){const t=[];let n=e.includeSelf?this:this.parent;for(;n;)t[e.parentFirst?"push":"unshift"](n),n=n.parent;return t}hasAttribute(e){return this.textNode.hasAttribute(e)}getAttribute(e){return this.textNode.getAttribute(e)}getAttributes(){return this.textNode.getAttributes()}getAttributeKeys(){return this.textNode.getAttributeKeys()}}class _s{constructor(e){this._nodes=[],e&&this._insertNodes(0,e)}[Symbol.iterator](){return this._nodes[Symbol.iterator]()}get length(){return this._nodes.length}get maxOffset(){return this._nodes.reduce((e,t)=>e+t.offsetSize,0)}getNode(e){return this._nodes[e]||null}getNodeIndex(e){const t=this._nodes.indexOf(e);return-1==t?null:t}getNodeStartOffset(e){const t=this.getNodeIndex(e);return null===t?null:this._nodes.slice(0,t).reduce((e,t)=>e+t.offsetSize,0)}indexToOffset(e){if(e==this._nodes.length)return this.maxOffset;const t=this._nodes[e];if(!t)throw new hn.b("model-nodelist-index-out-of-bounds: Given index cannot be found in the node list.",this);return this.getNodeStartOffset(t)}offsetToIndex(e){let t=0;for(const n of this._nodes){if(e>=t&&e<t+n.offsetSize)return this.getNodeIndex(n);t+=n.offsetSize}if(t!=e)throw new hn.b("model-nodelist-offset-out-of-bounds: Given offset cannot be found in the node list.",this,{offset:e,nodeList:this});return this.length}_insertNodes(e,t){for(const e of t)if(!(e instanceof bs))throw new hn.b("model-nodelist-insertNodes-not-node: Trying to insert an object which is not a Node instance.",this);this._nodes.splice(e,0,...t)}_removeNodes(e,t=1){return this._nodes.splice(e,t)}toJSON(){return this._nodes.map(e=>e.toJSON())}}class vs extends bs{constructor(e,t,n){super(t),this.name=e,this._children=new _s,n&&this._insertChild(0,n)}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}is(e,t=null){return t?t===this.name&&("element"===e||"model:element"===e):"element"===e||"model:element"===e||"node"===e||"model:node"===e}getChild(e){return this._children.getNode(e)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(e){return this._children.getNodeIndex(e)}getChildStartOffset(e){return this._children.getNodeStartOffset(e)}offsetToIndex(e){return this._children.offsetToIndex(e)}getNodeByPath(e){let t=this;for(const n of e)t=t.getChild(t.offsetToIndex(n));return t}findAncestor(e,t={includeSelf:!1}){let n=t.includeSelf?this:this.parent;for(;n;){if(n.name===e)return n;n=n.parent}return null}toJSON(){const e=super.toJSON();if(e.name=this.name,this._children.length>0){e.children=[];for(const t of this._children)e.children.push(t.toJSON())}return e}_clone(e=!1){const t=e?Array.from(this._children).map(e=>e._clone(!0)):null;return new vs(this.name,this.getAttributes(),t)}_appendChild(e){this._insertChild(this.childCount,e)}_insertChild(e,t){const n=function(e){if("string"==typeof e)return[new ws(e)];yn(e)||(e=[e]);return Array.from(e).map(e=>"string"==typeof e?new ws(e):e instanceof ks?new ws(e.data,e.getAttributes()):e)}(t);for(const e of n)null!==e.parent&&e._remove(),e.parent=this;this._children._insertNodes(e,n)}_removeChildren(e,t=1){const n=this._children._removeNodes(e,t);for(const e of n)e.parent=null;return n}static fromJSON(e){let t=null;if(e.children){t=[];for(const n of e.children)n.name?t.push(vs.fromJSON(n)):t.push(ws.fromJSON(n))}return new vs(e.name,e.attributes,t)}}class ys{constructor(e={}){if(!e.boundaries&&!e.startPosition)throw new hn.b("model-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.",null);const t=e.direction||"forward";if("forward"!=t&&"backward"!=t)throw new hn.b("model-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.",e,{direction:t});this.direction=t,this.boundaries=e.boundaries||null,e.startPosition?this.position=e.startPosition.clone():this.position=As._createAt(this.boundaries["backward"==this.direction?"end":"start"]),this.position.stickiness="toNone",this.singleCharacters=!!e.singleCharacters,this.shallow=!!e.shallow,this.ignoreElementEnd=!!e.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null,this._visitedParent=this.position.parent}[Symbol.iterator](){return this}skip(e){let t,n,i,o;do{i=this.position,o=this._visitedParent,({done:t,value:n}=this.next())}while(!t&&e(n));t||(this.position=i,this._visitedParent=o)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){const e=this.position,t=this.position.clone(),n=this._visitedParent;if(null===n.parent&&t.offset===n.maxOffset)return{done:!0};if(n===this._boundaryEndParent&&t.offset==this.boundaries.end.offset)return{done:!0};const i=t.parent,o=Cs(t,i),r=o||Ts(t,i,o);if(r instanceof vs)return this.shallow?t.offset++:(t.path.push(0),this._visitedParent=r),this.position=t,xs("elementStart",r,e,t,1);if(r instanceof ws){let i;if(this.singleCharacters)i=1;else{let e=r.endOffset;this._boundaryEndParent==n&&this.boundaries.end.offset<e&&(e=this.boundaries.end.offset),i=e-t.offset}const o=t.offset-r.startOffset,s=new ks(r,o,i);return t.offset+=i,this.position=t,xs("text",s,e,t,i)}return t.path.pop(),t.offset++,this.position=t,this._visitedParent=n.parent,this.ignoreElementEnd?this._next():xs("elementEnd",n,e,t)}_previous(){const e=this.position,t=this.position.clone(),n=this._visitedParent;if(null===n.parent&&0===t.offset)return{done:!0};if(n==this._boundaryStartParent&&t.offset==this.boundaries.start.offset)return{done:!0};const i=t.parent,o=Cs(t,i),r=o||Ss(t,i,o);if(r instanceof vs)return t.offset--,this.shallow?(this.position=t,xs("elementStart",r,e,t,1)):(t.path.push(r.maxOffset),this.position=t,this._visitedParent=r,this.ignoreElementEnd?this._previous():xs("elementEnd",r,e,t));if(r instanceof ws){let i;if(this.singleCharacters)i=1;else{let e=r.startOffset;this._boundaryStartParent==n&&this.boundaries.start.offset>e&&(e=this.boundaries.start.offset),i=t.offset-e}const o=t.offset-r.startOffset,s=new ks(r,o-i,i);return t.offset-=i,this.position=t,xs("text",s,e,t,i)}return t.path.pop(),this.position=t,this._visitedParent=n.parent,xs("elementStart",n,e,t,1)}}function xs(e,t,n,i,o){return{done:!1,value:{type:e,item:t,previousPosition:n,nextPosition:i,length:o}}}class As{constructor(e,t,n="toNone"){if(!e.is("element")&&!e.is("documentFragment"))throw new hn.b("model-position-root-invalid: Position root invalid.",e);if(!(t instanceof Array)||0===t.length)throw new hn.b("model-position-path-incorrect-format: Position path must be an array with at least one item.",e,{path:t});e.is("rootElement")?t=t.slice():(t=[...e.getPath(),...t],e=e.root),this.root=e,this.path=t,this.stickiness=n}get offset(){return this.path[this.path.length-1]}set offset(e){this.path[this.path.length-1]=e}get parent(){let e=this.root;for(let t=0;t<this.path.length-1;t++)if(e=e.getChild(e.offsetToIndex(this.path[t])),!e)throw new hn.b("model-position-path-incorrect: The position's path is incorrect.",this,{position:this});if(e.is("$text"))throw new hn.b("model-position-path-incorrect: The position's path is incorrect.",this,{position:this});return e}get index(){return this.parent.offsetToIndex(this.offset)}get textNode(){return Cs(this,this.parent)}get nodeAfter(){const e=this.parent;return Ts(this,e,Cs(this,e))}get nodeBefore(){const e=this.parent;return Ss(this,e,Cs(this,e))}get isAtStart(){return 0===this.offset}get isAtEnd(){return this.offset==this.parent.maxOffset}compareWith(e){if(this.root!=e.root)return"different";const t=In(this.path,e.path);switch(t){case"same":return"same";case"prefix":return"before";case"extension":return"after";default:return this.path[t]<e.path[t]?"before":"after"}}getLastMatchingPosition(e,t={}){t.startPosition=this;const n=new ys(t);return n.skip(e),n.position}getParentPath(){return this.path.slice(0,-1)}getAncestors(){const e=this.parent;return e.is("documentFragment")?[e]:e.getAncestors({includeSelf:!0})}findAncestor(e){const t=this.parent;return t.is("element")?t.findAncestor(e,{includeSelf:!0}):null}getCommonPath(e){if(this.root!=e.root)return[];const t=In(this.path,e.path),n="string"==typeof t?Math.min(this.path.length,e.path.length):t;return this.path.slice(0,n)}getCommonAncestor(e){const t=this.getAncestors(),n=e.getAncestors();let i=0;for(;t[i]==n[i]&&t[i];)i++;return 0===i?null:t[i-1]}getShiftedBy(e){const t=this.clone(),n=t.offset+e;return t.offset=n<0?0:n,t}isAfter(e){return"after"==this.compareWith(e)}isBefore(e){return"before"==this.compareWith(e)}isEqual(e){return"same"==this.compareWith(e)}isTouching(e){let t=null,n=null;switch(this.compareWith(e)){case"same":return!0;case"before":t=As._createAt(this),n=As._createAt(e);break;case"after":t=As._createAt(e),n=As._createAt(this);break;default:return!1}let i=t.parent;for(;t.path.length+n.path.length;){if(t.isEqual(n))return!0;if(t.path.length>n.path.length){if(t.offset!==i.maxOffset)return!1;t.path=t.path.slice(0,-1),i=i.parent,t.offset++}else{if(0!==n.offset)return!1;n.path=n.path.slice(0,-1)}}}is(e){return"position"===e||"model:position"===e}hasSameParentAs(e){if(this.root!==e.root)return!1;return"same"==In(this.getParentPath(),e.getParentPath())}getTransformedByOperation(e){let t;switch(e.type){case"insert":t=this._getTransformedByInsertOperation(e);break;case"move":case"remove":case"reinsert":t=this._getTransformedByMoveOperation(e);break;case"split":t=this._getTransformedBySplitOperation(e);break;case"merge":t=this._getTransformedByMergeOperation(e);break;default:t=As._createAt(this)}return t}_getTransformedByInsertOperation(e){return this._getTransformedByInsertion(e.position,e.howMany)}_getTransformedByMoveOperation(e){return this._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany)}_getTransformedBySplitOperation(e){const t=e.movedRange;return t.containsPosition(this)||t.start.isEqual(this)&&"toNext"==this.stickiness?this._getCombined(e.splitPosition,e.moveTargetPosition):e.graveyardPosition?this._getTransformedByMove(e.graveyardPosition,e.insertionPosition,1):this._getTransformedByInsertion(e.insertionPosition,1)}_getTransformedByMergeOperation(e){const t=e.movedRange;let n;return t.containsPosition(this)||t.start.isEqual(this)?(n=this._getCombined(e.sourcePosition,e.targetPosition),e.sourcePosition.isBefore(e.targetPosition)&&(n=n._getTransformedByDeletion(e.deletionPosition,1))):n=this.isEqual(e.deletionPosition)?As._createAt(e.deletionPosition):this._getTransformedByMove(e.deletionPosition,e.graveyardPosition,1),n}_getTransformedByDeletion(e,t){const n=As._createAt(this);if(this.root!=e.root)return n;if("same"==In(e.getParentPath(),this.getParentPath())){if(e.offset<this.offset){if(e.offset+t>this.offset)return null;n.offset-=t}}else if("prefix"==In(e.getParentPath(),this.getParentPath())){const i=e.path.length-1;if(e.offset<=this.path[i]){if(e.offset+t>this.path[i])return null;n.path[i]-=t}}return n}_getTransformedByInsertion(e,t){const n=As._createAt(this);if(this.root!=e.root)return n;if("same"==In(e.getParentPath(),this.getParentPath()))(e.offset<this.offset||e.offset==this.offset&&"toPrevious"!=this.stickiness)&&(n.offset+=t);else if("prefix"==In(e.getParentPath(),this.getParentPath())){const i=e.path.length-1;e.offset<=this.path[i]&&(n.path[i]+=t)}return n}_getTransformedByMove(e,t,n){if(t=t._getTransformedByDeletion(e,n),e.isEqual(t))return As._createAt(this);const i=this._getTransformedByDeletion(e,n);return null===i||e.isEqual(this)&&"toNext"==this.stickiness||e.getShiftedBy(n).isEqual(this)&&"toPrevious"==this.stickiness?this._getCombined(e,t):i._getTransformedByInsertion(t,n)}_getCombined(e,t){const n=e.path.length-1,i=As._createAt(t);return i.stickiness=this.stickiness,i.offset=i.offset+this.path[n]-e.offset,i.path=[...i.path,...this.path.slice(n+1)],i}toJSON(){return{root:this.root.toJSON(),path:Array.from(this.path),stickiness:this.stickiness}}clone(){return new this.constructor(this.root,this.path,this.stickiness)}static _createAt(e,t,n="toNone"){if(e instanceof As)return new As(e.root,e.path,e.stickiness);{const i=e;if("end"==t)t=i.maxOffset;else{if("before"==t)return this._createBefore(i,n);if("after"==t)return this._createAfter(i,n);if(0!==t&&!t)throw new hn.b("model-createPositionAt-offset-required: Model#createPositionAt() requires the offset when the first parameter is a model item.",[this,e])}if(!i.is("element")&&!i.is("documentFragment"))throw new hn.b("model-position-parent-incorrect: Position parent have to be a element or document fragment.",[this,e]);const o=i.getPath();return o.push(t),new this(i.root,o,n)}}static _createAfter(e,t){if(!e.parent)throw new hn.b("model-position-after-root: You cannot make a position after root.",[this,e],{root:e});return this._createAt(e.parent,e.endOffset,t)}static _createBefore(e,t){if(!e.parent)throw new hn.b("model-position-before-root: You cannot make a position before root.",e,{root:e});return this._createAt(e.parent,e.startOffset,t)}static fromJSON(e,t){if("$graveyard"===e.root){const n=new As(t.graveyard,e.path);return n.stickiness=e.stickiness,n}if(!t.getRoot(e.root))throw new hn.b("model-position-fromjson-no-root: Cannot create position for document. Root with specified name does not exist.",t,{rootName:e.root});return new As(t.getRoot(e.root),e.path,e.stickiness)}}function Cs(e,t){const n=t.getChild(t.offsetToIndex(e.offset));return n&&n.is("$text")&&n.startOffset<e.offset?n:null}function Ts(e,t,n){return null!==n?null:t.getChild(t.offsetToIndex(e.offset))}function Ss(e,t,n){return null!==n?null:t.getChild(t.offsetToIndex(e.offset)-1)}class Ps{constructor(e,t=null){this.start=As._createAt(e),this.end=t?As._createAt(t):As._createAt(e),this.start.stickiness=this.isCollapsed?"toNone":"toNext",this.end.stickiness=this.isCollapsed?"toNone":"toPrevious"}*[Symbol.iterator](){yield*new ys({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return"same"==In(this.start.getParentPath(),this.end.getParentPath())}get root(){return this.start.root}containsPosition(e){return e.isAfter(this.start)&&e.isBefore(this.end)}containsRange(e,t=!1){e.isCollapsed&&(t=!1);const n=this.containsPosition(e.start)||t&&this.start.isEqual(e.start),i=this.containsPosition(e.end)||t&&this.end.isEqual(e.end);return n&&i}containsItem(e){const t=As._createBefore(e);return this.containsPosition(t)||this.start.isEqual(t)}is(e){return"range"===e||"model:range"===e}isEqual(e){return this.start.isEqual(e.start)&&this.end.isEqual(e.end)}isIntersecting(e){return this.start.isBefore(e.end)&&this.end.isAfter(e.start)}getDifference(e){const t=[];return this.isIntersecting(e)?(this.containsPosition(e.start)&&t.push(new Ps(this.start,e.start)),this.containsPosition(e.end)&&t.push(new Ps(e.end,this.end))):t.push(new Ps(this.start,this.end)),t}getIntersection(e){if(this.isIntersecting(e)){let t=this.start,n=this.end;return this.containsPosition(e.start)&&(t=e.start),this.containsPosition(e.end)&&(n=e.end),new Ps(t,n)}return null}getJoined(e,t=!1){let n=this.isIntersecting(e);if(n||(n=this.start.isBefore(e.start)?t?this.end.isTouching(e.start):this.end.isEqual(e.start):t?e.end.isTouching(this.start):e.end.isEqual(this.start)),!n)return null;let i=this.start,o=this.end;return e.start.isBefore(i)&&(i=e.start),e.end.isAfter(o)&&(o=e.end),new Ps(i,o)}getMinimalFlatRanges(){const e=[],t=this.start.getCommonPath(this.end).length,n=As._createAt(this.start);let i=n.parent;for(;n.path.length>t+1;){const t=i.maxOffset-n.offset;0!==t&&e.push(new Ps(n,n.getShiftedBy(t))),n.path=n.path.slice(0,-1),n.offset++,i=i.parent}for(;n.path.length<=this.end.path.length;){const t=this.end.path[n.path.length-1],i=t-n.offset;0!==i&&e.push(new Ps(n,n.getShiftedBy(i))),n.offset=t,n.path.push(0)}return e}getWalker(e={}){return e.boundaries=this,new ys(e)}*getItems(e={}){e.boundaries=this,e.ignoreElementEnd=!0;const t=new ys(e);for(const e of t)yield e.item}*getPositions(e={}){e.boundaries=this;const t=new ys(e);yield t.position;for(const e of t)yield e.nextPosition}getTransformedByOperation(e){switch(e.type){case"insert":return this._getTransformedByInsertOperation(e);case"move":case"remove":case"reinsert":return this._getTransformedByMoveOperation(e);case"split":return[this._getTransformedBySplitOperation(e)];case"merge":return[this._getTransformedByMergeOperation(e)]}return[new Ps(this.start,this.end)]}getTransformedByOperations(e){const t=[new Ps(this.start,this.end)];for(const n of e)for(let e=0;e<t.length;e++){const i=t[e].getTransformedByOperation(n);t.splice(e,1,...i),e+=i.length-1}for(let e=0;e<t.length;e++){const n=t[e];for(let i=e+1;i<t.length;i++){const e=t[i];(n.containsRange(e)||e.containsRange(n)||n.isEqual(e))&&t.splice(i,1)}}return t}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed)return null;const e=this.start.nodeAfter,t=this.end.nodeBefore;return e&&e.is("element")&&e===t?e:null}toJSON(){return{start:this.start.toJSON(),end:this.end.toJSON()}}clone(){return new this.constructor(this.start,this.end)}_getTransformedByInsertOperation(e,t=!1){return this._getTransformedByInsertion(e.position,e.howMany,t)}_getTransformedByMoveOperation(e,t=!1){const n=e.sourcePosition,i=e.howMany,o=e.targetPosition;return this._getTransformedByMove(n,o,i,t)}_getTransformedBySplitOperation(e){const t=this.start._getTransformedBySplitOperation(e);let n=this.end._getTransformedBySplitOperation(e);return this.end.isEqual(e.insertionPosition)&&(n=this.end.getShiftedBy(1)),t.root!=n.root&&(n=this.end.getShiftedBy(-1)),new Ps(t,n)}_getTransformedByMergeOperation(e){if(this.start.isEqual(e.targetPosition)&&this.end.isEqual(e.deletionPosition))return new Ps(this.start);let t=this.start._getTransformedByMergeOperation(e),n=this.end._getTransformedByMergeOperation(e);return t.root!=n.root&&(n=this.end.getShiftedBy(-1)),t.isAfter(n)?(e.sourcePosition.isBefore(e.targetPosition)?(t=As._createAt(n),t.offset=0):(e.deletionPosition.isEqual(t)||(n=e.deletionPosition),t=e.targetPosition),new Ps(t,n)):new Ps(t,n)}_getTransformedByInsertion(e,t,n=!1){if(n&&this.containsPosition(e))return[new Ps(this.start,e),new Ps(e.getShiftedBy(t),this.end._getTransformedByInsertion(e,t))];{const n=new Ps(this.start,this.end);return n.start=n.start._getTransformedByInsertion(e,t),n.end=n.end._getTransformedByInsertion(e,t),[n]}}_getTransformedByMove(e,t,n,i=!1){if(this.isCollapsed){const i=this.start._getTransformedByMove(e,t,n);return[new Ps(i)]}const o=Ps._createFromPositionAndShift(e,n),r=t._getTransformedByDeletion(e,n);if(this.containsPosition(t)&&!i&&(o.containsPosition(this.start)||o.containsPosition(this.end))){const i=this.start._getTransformedByMove(e,t,n),o=this.end._getTransformedByMove(e,t,n);return[new Ps(i,o)]}let s;const a=this.getDifference(o);let c=null;const l=this.getIntersection(o);if(1==a.length?c=new Ps(a[0].start._getTransformedByDeletion(e,n),a[0].end._getTransformedByDeletion(e,n)):2==a.length&&(c=new Ps(this.start,this.end._getTransformedByDeletion(e,n))),s=c?c._getTransformedByInsertion(r,n,null!==l||i):[],l){const e=new Ps(l.start._getCombined(o.start,r),l.end._getCombined(o.start,r));2==s.length?s.splice(1,0,e):s.push(e)}return s}_getTransformedByDeletion(e,t){let n=this.start._getTransformedByDeletion(e,t),i=this.end._getTransformedByDeletion(e,t);return null==n&&null==i?null:(null==n&&(n=e),null==i&&(i=e),new Ps(n,i))}static _createFromPositionAndShift(e,t){const n=e,i=e.getShiftedBy(t);return t>0?new this(n,i):new this(i,n)}static _createIn(e){return new this(As._createAt(e,0),As._createAt(e,e.maxOffset))}static _createOn(e){return this._createFromPositionAndShift(As._createBefore(e),e.offsetSize)}static _createFromRanges(e){if(0===e.length)throw new hn.b("range-create-from-ranges-empty-array: At least one range has to be passed.",null);if(1==e.length)return e[0].clone();const t=e[0];e.sort((e,t)=>e.start.isAfter(t.start)?1:-1);const n=e.indexOf(t),i=new this(t.start,t.end);if(n>0)for(let t=n-1;e[t].end.isEqual(i.start);t++)i.start=As._createAt(e[t].start);for(let t=n+1;t<e.length&&e[t].start.isEqual(i.end);t++)i.end=As._createAt(e[t].end);return i}static fromJSON(e,t){return new this(As.fromJSON(e.start,t),As.fromJSON(e.end,t))}}class Es{constructor(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._viewToModelLengthCallbacks=new Map,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._unboundMarkerNames=new Set,this.on("modelToViewPosition",(e,t)=>{if(t.viewPosition)return;const n=this._modelToViewMapping.get(t.modelPosition.parent);t.viewPosition=this.findPositionIn(n,t.modelPosition.offset)},{priority:"low"}),this.on("viewToModelPosition",(e,t)=>{if(t.modelPosition)return;const n=this.findMappedViewAncestor(t.viewPosition),i=this._viewToModelMapping.get(n),o=this._toModelOffset(t.viewPosition.parent,t.viewPosition.offset,n);t.modelPosition=As._createAt(i,o)},{priority:"low"})}bindElements(e,t){this._modelToViewMapping.set(e,t),this._viewToModelMapping.set(t,e)}unbindViewElement(e){const t=this.toModelElement(e);if(this._viewToModelMapping.delete(e),this._elementToMarkerNames.has(e))for(const t of this._elementToMarkerNames.get(e))this._unboundMarkerNames.add(t);this._modelToViewMapping.get(t)==e&&this._modelToViewMapping.delete(t)}unbindModelElement(e){const t=this.toViewElement(e);this._modelToViewMapping.delete(e),this._viewToModelMapping.get(t)==e&&this._viewToModelMapping.delete(t)}bindElementToMarker(e,t){const n=this._markerNameToElements.get(t)||new Set;n.add(e);const i=this._elementToMarkerNames.get(e)||new Set;i.add(t),this._markerNameToElements.set(t,n),this._elementToMarkerNames.set(e,i)}unbindElementFromMarkerName(e,t){const n=this._markerNameToElements.get(t);n&&(n.delete(e),0==n.size&&this._markerNameToElements.delete(t));const i=this._elementToMarkerNames.get(e);i&&(i.delete(t),0==i.size&&this._elementToMarkerNames.delete(e))}flushUnboundMarkerNames(){const e=Array.from(this._unboundMarkerNames);return this._unboundMarkerNames.clear(),e}clearBindings(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._unboundMarkerNames=new Set}toModelElement(e){return this._viewToModelMapping.get(e)}toViewElement(e){return this._modelToViewMapping.get(e)}toModelRange(e){return new Ps(this.toModelPosition(e.start),this.toModelPosition(e.end))}toViewRange(e){return new Xi(this.toViewPosition(e.start),this.toViewPosition(e.end))}toModelPosition(e){const t={viewPosition:e,mapper:this};return this.fire("viewToModelPosition",t),t.modelPosition}toViewPosition(e,t={isPhantom:!1}){const n={modelPosition:e,mapper:this,isPhantom:t.isPhantom};return this.fire("modelToViewPosition",n),n.viewPosition}markerNameToElements(e){const t=this._markerNameToElements.get(e);if(!t)return null;const n=new Set;for(const e of t)if(e.is("attributeElement"))for(const t of e.getElementsWithSameId())n.add(t);else n.add(e);return n}registerViewToModelLength(e,t){this._viewToModelLengthCallbacks.set(e,t)}findMappedViewAncestor(e){let t=e.parent;for(;!this._viewToModelMapping.has(t);)t=t.parent;return t}_toModelOffset(e,t,n){if(n!=e){return this._toModelOffset(e.parent,e.index,n)+this._toModelOffset(e,t,e)}if(e.is("$text"))return t;let i=0;for(let n=0;n<t;n++)i+=this.getModelLength(e.getChild(n));return i}getModelLength(e){if(this._viewToModelLengthCallbacks.get(e.name)){return this._viewToModelLengthCallbacks.get(e.name)(e)}if(this._viewToModelMapping.has(e))return 1;if(e.is("$text"))return e.data.length;if(e.is("uiElement"))return 0;{let t=0;for(const n of e.getChildren())t+=this.getModelLength(n);return t}}findPositionIn(e,t){let n,i=0,o=0,r=0;if(e.is("$text"))return new Zi(e,t);for(;o<t;)n=e.getChild(r),i=this.getModelLength(n),o+=i,r++;return o==t?this._moveViewPositionToTextNode(new Zi(e,r)):this.findPositionIn(n,t-(o-i))}_moveViewPositionToTextNode(e){const t=e.nodeBefore,n=e.nodeAfter;return t instanceof On?new Zi(t,t.data.length):n instanceof On?new Zi(n,0):e}}xn(Es,fn);class Ms{constructor(){this._consumable=new Map,this._textProxyRegistry=new Map}add(e,t){t=Is(t),e instanceof ks&&(e=this._getSymbolForTextProxy(e)),this._consumable.has(e)||this._consumable.set(e,new Map),this._consumable.get(e).set(t,!0)}consume(e,t){return t=Is(t),e instanceof ks&&(e=this._getSymbolForTextProxy(e)),!!this.test(e,t)&&(this._consumable.get(e).set(t,!1),!0)}test(e,t){t=Is(t),e instanceof ks&&(e=this._getSymbolForTextProxy(e));const n=this._consumable.get(e);if(void 0===n)return null;const i=n.get(t);return void 0===i?null:i}revert(e,t){t=Is(t),e instanceof ks&&(e=this._getSymbolForTextProxy(e));const n=this.test(e,t);return!1===n?(this._consumable.get(e).set(t,!0),!0):!0!==n&&null}_getSymbolForTextProxy(e){let t=null;const n=this._textProxyRegistry.get(e.startOffset);if(n){const i=n.get(e.endOffset);i&&(t=i.get(e.parent))}return t||(t=this._addSymbolForTextProxy(e.startOffset,e.endOffset,e.parent)),t}_addSymbolForTextProxy(e,t,n){const i=Symbol("textProxySymbol");let o,r;return o=this._textProxyRegistry.get(e),o||(o=new Map,this._textProxyRegistry.set(e,o)),r=o.get(t),r||(r=new Map,o.set(t,r)),r.set(n,i),i}}function Is(e){const t=e.split(":");return t.length>1?t[0]+":"+t[1]:t[0]}class Ns{constructor(e){this.conversionApi=Li({dispatcher:this},e)}convertChanges(e,t,n){for(const t of e.getMarkersToRemove())this.convertMarkerRemove(t.name,t.range,n);for(const t of e.getChanges())"insert"==t.type?this.convertInsert(Ps._createFromPositionAndShift(t.position,t.length),n):"remove"==t.type?this.convertRemove(t.position,t.length,t.name,n):this.convertAttribute(t.range,t.attributeKey,t.attributeOldValue,t.attributeNewValue,n);for(const e of this.conversionApi.mapper.flushUnboundMarkerNames()){const i=t.get(e).getRange();this.convertMarkerRemove(e,i,n),this.convertMarkerAdd(e,i,n)}for(const t of e.getMarkersToAdd())this.convertMarkerAdd(t.name,t.range,n)}convertInsert(e,t){this.conversionApi.writer=t,this.conversionApi.consumable=this._createInsertConsumable(e);for(const t of e){const e=t.item,n={item:e,range:Ps._createFromPositionAndShift(t.previousPosition,t.length)};this._testAndFire("insert",n);for(const t of e.getAttributeKeys())n.attributeKey=t,n.attributeOldValue=null,n.attributeNewValue=e.getAttribute(t),this._testAndFire("attribute:"+t,n)}this._clearConversionApi()}convertRemove(e,t,n,i){this.conversionApi.writer=i,this.fire("remove:"+n,{position:e,length:t},this.conversionApi),this._clearConversionApi()}convertAttribute(e,t,n,i,o){this.conversionApi.writer=o,this.conversionApi.consumable=this._createConsumableForRange(e,"attribute:"+t);for(const o of e){const e={item:o.item,range:Ps._createFromPositionAndShift(o.previousPosition,o.length),attributeKey:t,attributeOldValue:n,attributeNewValue:i};this._testAndFire("attribute:"+t,e)}this._clearConversionApi()}convertSelection(e,t,n){const i=Array.from(t.getMarkersAtPosition(e.getFirstPosition()));if(this.conversionApi.writer=n,this.conversionApi.consumable=this._createSelectionConsumable(e,i),this.fire("selection",{selection:e},this.conversionApi),e.isCollapsed){for(const t of i){const n=t.getRange();if(!Rs(e.getFirstPosition(),t,this.conversionApi.mapper))continue;const i={item:e,markerName:t.name,markerRange:n};this.conversionApi.consumable.test(e,"addMarker:"+t.name)&&this.fire("addMarker:"+t.name,i,this.conversionApi)}for(const t of e.getAttributeKeys()){const n={item:e,range:e.getFirstRange(),attributeKey:t,attributeOldValue:null,attributeNewValue:e.getAttribute(t)};this.conversionApi.consumable.test(e,"attribute:"+n.attributeKey)&&this.fire("attribute:"+n.attributeKey+":$text",n,this.conversionApi)}this._clearConversionApi()}}convertMarkerAdd(e,t,n){if(!t.root.document||"$graveyard"==t.root.rootName)return;this.conversionApi.writer=n;const i="addMarker:"+e,o=new Ms;if(o.add(t,i),this.conversionApi.consumable=o,this.fire(i,{markerName:e,markerRange:t},this.conversionApi),o.test(t,i)){this.conversionApi.consumable=this._createConsumableForRange(t,i);for(const n of t.getItems()){if(!this.conversionApi.consumable.test(n,i))continue;const o={item:n,range:Ps._createOn(n),markerName:e,markerRange:t};this.fire(i,o,this.conversionApi)}this._clearConversionApi()}}convertMarkerRemove(e,t,n){t.root.document&&"$graveyard"!=t.root.rootName&&(this.conversionApi.writer=n,this.fire("removeMarker:"+e,{markerName:e,markerRange:t},this.conversionApi),this._clearConversionApi())}_createInsertConsumable(e){const t=new Ms;for(const n of e){const e=n.item;t.add(e,"insert");for(const n of e.getAttributeKeys())t.add(e,"attribute:"+n)}return t}_createConsumableForRange(e,t){const n=new Ms;for(const i of e.getItems())n.add(i,t);return n}_createSelectionConsumable(e,t){const n=new Ms;n.add(e,"selection");for(const i of t)n.add(e,"addMarker:"+i.name);for(const t of e.getAttributeKeys())n.add(e,"attribute:"+t);return n}_testAndFire(e,t){if(!this.conversionApi.consumable.test(t.item,e))return;const n=t.item.name||"$text";this.fire(e+":"+n,t,this.conversionApi)}_clearConversionApi(){delete this.conversionApi.writer,delete this.conversionApi.consumable}}function Rs(e,t,n){const i=t.getRange(),o=Array.from(e.getAncestors());o.shift(),o.reverse();return!o.some(e=>{if(i.containsItem(e)){return!!n.toViewElement(e).getCustomProperty("addHighlight")}})}xn(Ns,fn);class Os{constructor(e,t,n){this._lastRangeBackward=!1,this._ranges=[],this._attrs=new Map,e&&this.setTo(e,t,n)}get anchor(){if(this._ranges.length>0){const e=this._ranges[this._ranges.length-1];return this._lastRangeBackward?e.end:e.start}return null}get focus(){if(this._ranges.length>0){const e=this._ranges[this._ranges.length-1];return this._lastRangeBackward?e.start:e.end}return null}get isCollapsed(){return 1===this._ranges.length&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}isEqual(e){if(this.rangeCount!=e.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(e.anchor)||!this.focus.isEqual(e.focus))return!1;for(const t of this._ranges){let n=!1;for(const i of e._ranges)if(t.isEqual(i)){n=!0;break}if(!n)return!1}return!0}*getRanges(){for(const e of this._ranges)yield new Ps(e.start,e.end)}getFirstRange(){let e=null;for(const t of this._ranges)e&&!t.start.isBefore(e.start)||(e=t);return e?new Ps(e.start,e.end):null}getLastRange(){let e=null;for(const t of this._ranges)e&&!t.end.isAfter(e.end)||(e=t);return e?new Ps(e.start,e.end):null}getFirstPosition(){const e=this.getFirstRange();return e?e.start.clone():null}getLastPosition(){const e=this.getLastRange();return e?e.end.clone():null}setTo(e,t,n){if(null===e)this._setRanges([]);else if(e instanceof Os)this._setRanges(e.getRanges(),e.isBackward);else if(e&&"function"==typeof e.getRanges)this._setRanges(e.getRanges(),e.isBackward);else if(e instanceof Ps)this._setRanges([e],!!t&&!!t.backward);else if(e instanceof As)this._setRanges([new Ps(e)]);else if(e instanceof bs){const i=!!n&&!!n.backward;let o;if("in"==t)o=Ps._createIn(e);else if("on"==t)o=Ps._createOn(e);else{if(void 0===t)throw new hn.b("model-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.",[this,e]);o=new Ps(As._createAt(e,t))}this._setRanges([o],i)}else{if(!yn(e))throw new hn.b("model-selection-setTo-not-selectable: Cannot set the selection to the given place.",[this,e]);this._setRanges(e,t&&!!t.backward)}}_setRanges(e,t=!1){const n=(e=Array.from(e)).some(t=>{if(!(t instanceof Ps))throw new hn.b("model-selection-set-ranges-not-range: Selection range set to an object that is not an instance of model.Range.",[this,e]);return this._ranges.every(e=>!e.isEqual(t))});if(e.length!==this._ranges.length||n){this._removeAllRanges();for(const t of e)this._pushRange(t);this._lastRangeBackward=!!t,this.fire("change:range",{directChange:!0})}}setFocus(e,t){if(null===this.anchor)throw new hn.b("model-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.",[this,e]);const n=As._createAt(e,t);if("same"==n.compareWith(this.focus))return;const i=this.anchor;this._ranges.length&&this._popRange(),"before"==n.compareWith(i)?(this._pushRange(new Ps(n,i)),this._lastRangeBackward=!0):(this._pushRange(new Ps(i,n)),this._lastRangeBackward=!1),this.fire("change:range",{directChange:!0})}getAttribute(e){return this._attrs.get(e)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}hasAttribute(e){return this._attrs.has(e)}removeAttribute(e){this.hasAttribute(e)&&(this._attrs.delete(e),this.fire("change:attribute",{attributeKeys:[e],directChange:!0}))}setAttribute(e,t){this.getAttribute(e)!==t&&(this._attrs.set(e,t),this.fire("change:attribute",{attributeKeys:[e],directChange:!0}))}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}is(e){return"selection"===e||"model:selection"===e}*getSelectedBlocks(){const e=new WeakSet;for(const t of this.getRanges()){const n=Ls(t.start,e);n&&Vs(n,t)&&(yield n);for(const n of t.getWalker()){const i=n.item;"elementEnd"==n.type&&Ds(i,e,t)&&(yield i)}const i=Ls(t.end,e);i&&!t.end.isTouching(As._createAt(i,0))&&Vs(i,t)&&(yield i)}}containsEntireContent(e=this.anchor.root){const t=As._createAt(e,0),n=As._createAt(e,"end");return t.isTouching(this.getFirstPosition())&&n.isTouching(this.getLastPosition())}_pushRange(e){this._checkRange(e),this._ranges.push(new Ps(e.start,e.end))}_checkRange(e){for(let t=0;t<this._ranges.length;t++)if(e.isIntersecting(this._ranges[t]))throw new hn.b("model-selection-range-intersects: Trying to add a range that intersects with another range in the selection.",[this,e],{addedRange:e,intersectingRange:this._ranges[t]})}_removeAllRanges(){for(;this._ranges.length>0;)this._popRange()}_popRange(){this._ranges.pop()}}function zs(e,t){return!t.has(e)&&(t.add(e),e.root.document.model.schema.isBlock(e)&&e.parent)}function Ds(e,t,n){return zs(e,t)&&Vs(e,n)}function Ls(e,t){const n=e.parent.root.document.model.schema,i=e.parent.getAncestors({parentFirst:!0,includeSelf:!0});let o=!1;const r=i.find(e=>!o&&(o=n.isLimit(e),!o&&zs(e,t)));return i.forEach(e=>t.add(e)),r}function Vs(e,t){const n=function(e){const t=e.root.document.model.schema;let n=e.parent;for(;n;){if(t.isBlock(n))return n;n=n.parent}}(e);if(!n)return!0;return!t.containsRange(Ps._createOn(n),!0)}xn(Os,fn);class js extends Ps{constructor(e,t){super(e,t),Bs.call(this)}detach(){this.stopListening()}is(e){return"liveRange"===e||"model:liveRange"===e||"range"==e||"model:range"===e}toRange(){return new Ps(this.start,this.end)}static fromRange(e){return new js(e.start,e.end)}}function Bs(){this.listenTo(this.root.document.model,"applyOperation",(e,t)=>{const n=t[0];n.isDocumentOperation&&Fs.call(this,n)},{priority:"low"})}function Fs(e){const t=this.getTransformedByOperation(e),n=Ps._createFromRanges(t),i=!n.isEqual(this),o=function(e,t){switch(t.type){case"insert":return e.containsPosition(t.position);case"move":case"remove":case"reinsert":case"merge":return e.containsPosition(t.sourcePosition)||e.start.isEqual(t.sourcePosition)||e.containsPosition(t.targetPosition);case"split":return e.containsPosition(t.splitPosition)||e.containsPosition(t.insertionPosition)}return!1}(this,e);let r=null;if(i){"$graveyard"==n.root.rootName&&(r="remove"==e.type?e.sourcePosition:e.deletionPosition);const t=this.toRange();this.start=n.start,this.end=n.end,this.fire("change:range",t,{deletionPosition:r})}else o&&this.fire("change:content",this.toRange(),{deletionPosition:r})}xn(js,fn);class Hs{constructor(e){this._selection=new Us(e),this._selection.delegate("change:range").to(this),this._selection.delegate("change:attribute").to(this),this._selection.delegate("change:marker").to(this)}get isCollapsed(){return this._selection.isCollapsed}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get rangeCount(){return this._selection.rangeCount}get hasOwnRange(){return this._selection.hasOwnRange}get isBackward(){return this._selection.isBackward}get isGravityOverridden(){return this._selection.isGravityOverridden}get markers(){return this._selection.markers}get _ranges(){return this._selection._ranges}getRanges(){return this._selection.getRanges()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getSelectedBlocks(){return this._selection.getSelectedBlocks()}getSelectedElement(){return this._selection.getSelectedElement()}containsEntireContent(e){return this._selection.containsEntireContent(e)}destroy(){this._selection.destroy()}getAttributeKeys(){return this._selection.getAttributeKeys()}getAttributes(){return this._selection.getAttributes()}getAttribute(e){return this._selection.getAttribute(e)}hasAttribute(e){return this._selection.hasAttribute(e)}refresh(){this._selection._updateMarkers(),this._selection._updateAttributes(!1)}is(e){return"selection"===e||"model:selection"==e||"documentSelection"==e||"model:documentSelection"==e}_setFocus(e,t){this._selection.setFocus(e,t)}_setTo(e,t,n){this._selection.setTo(e,t,n)}_setAttribute(e,t){this._selection.setAttribute(e,t)}_removeAttribute(e){this._selection.removeAttribute(e)}_getStoredAttributes(){return this._selection._getStoredAttributes()}_overrideGravity(){return this._selection.overrideGravity()}_restoreGravity(e){this._selection.restoreGravity(e)}static _getStoreAttributeKey(e){return"selection:"+e}static _isStoreAttributeKey(e){return e.startsWith("selection:")}}xn(Hs,fn);class Us extends Os{constructor(e){super(),this.markers=new An({idProperty:"name"}),this._model=e.model,this._document=e,this._attributePriority=new Map,this._selectionRestorePosition=null,this._hasChangedRange=!1,this._overriddenGravityRegister=new Set,this.listenTo(this._model,"applyOperation",(e,t)=>{const n=t[0];n.isDocumentOperation&&"marker"!=n.type&&"rename"!=n.type&&"noop"!=n.type&&(0==this._ranges.length&&this._selectionRestorePosition&&this._fixGraveyardSelection(this._selectionRestorePosition),this._selectionRestorePosition=null,this._hasChangedRange&&(this._hasChangedRange=!1,this.fire("change:range",{directChange:!1})))},{priority:"lowest"}),this.on("change:range",()=>{for(const e of this.getRanges())if(!this._document._validateSelectionRange(e))throw new hn.b("document-selection-wrong-position: Range from document selection starts or ends at incorrect position.",this,{range:e})}),this.listenTo(this._model.markers,"update",()=>this._updateMarkers()),this.listenTo(this._document,"change",(e,t)=>{!function(e,t){const n=e.document.differ;for(const i of n.getChanges()){if("insert"!=i.type)continue;const n=i.position.parent;i.length===n.maxOffset&&e.enqueueChange(t,e=>{const t=Array.from(n.getAttributeKeys()).filter(e=>e.startsWith("selection:"));for(const i of t)e.removeAttribute(i,n)})}}(this._model,t)})}get isCollapsed(){return 0===this._ranges.length?this._document._getDefaultRange().isCollapsed:super.isCollapsed}get anchor(){return super.anchor||this._document._getDefaultRange().start}get focus(){return super.focus||this._document._getDefaultRange().end}get rangeCount(){return this._ranges.length?this._ranges.length:1}get hasOwnRange(){return this._ranges.length>0}get isGravityOverridden(){return!!this._overriddenGravityRegister.size}destroy(){for(let e=0;e<this._ranges.length;e++)this._ranges[e].detach();this.stopListening()}*getRanges(){this._ranges.length?yield*super.getRanges():yield this._document._getDefaultRange()}getFirstRange(){return super.getFirstRange()||this._document._getDefaultRange()}getLastRange(){return super.getLastRange()||this._document._getDefaultRange()}setTo(e,t,n){super.setTo(e,t,n),this._updateAttributes(!0),this._updateMarkers()}setFocus(e,t){super.setFocus(e,t),this._updateAttributes(!0),this._updateMarkers()}setAttribute(e,t){if(this._setAttribute(e,t)){const t=[e];this.fire("change:attribute",{attributeKeys:t,directChange:!0})}}removeAttribute(e){if(this._removeAttribute(e)){const t=[e];this.fire("change:attribute",{attributeKeys:t,directChange:!0})}}overrideGravity(){const e=dn();return this._overriddenGravityRegister.add(e),1===this._overriddenGravityRegister.size&&this._updateAttributes(!0),e}restoreGravity(e){if(!this._overriddenGravityRegister.has(e))throw new hn.b("document-selection-gravity-wrong-restore: Attempting to restore the selection gravity for an unknown UID.",this,{uid:e});this._overriddenGravityRegister.delete(e),this.isGravityOverridden||this._updateAttributes(!0)}_popRange(){this._ranges.pop().detach()}_pushRange(e){const t=this._prepareRange(e);t&&this._ranges.push(t)}_prepareRange(e){if(this._checkRange(e),e.root==this._document.graveyard)return;const t=js.fromRange(e);return t.on("change:range",(e,n,i)=>{if(this._hasChangedRange=!0,t.root==this._document.graveyard){this._selectionRestorePosition=i.deletionPosition;const e=this._ranges.indexOf(t);this._ranges.splice(e,1),t.detach()}}),t}_updateMarkers(){const e=[];let t=!1;for(const t of this._model.markers){const n=t.getRange();for(const i of this.getRanges())n.containsRange(i,!i.isCollapsed)&&e.push(t)}const n=Array.from(this.markers);for(const n of e)this.markers.has(n)||(this.markers.add(n),t=!0);for(const n of Array.from(this.markers))e.includes(n)||(this.markers.remove(n),t=!0);t&&this.fire("change:marker",{oldMarkers:n,directChange:!1})}_updateAttributes(e){const t=Dn(this._getSurroundingAttributes()),n=Dn(this.getAttributes());if(e)this._attributePriority=new Map,this._attrs=new Map;else for(const[e,t]of this._attributePriority)"low"==t&&(this._attrs.delete(e),this._attributePriority.delete(e));this._setAttributesTo(t);const i=[];for(const[e,t]of this.getAttributes())n.has(e)&&n.get(e)===t||i.push(e);for(const[e]of n)this.hasAttribute(e)||i.push(e);i.length>0&&this.fire("change:attribute",{attributeKeys:i,directChange:!1})}_setAttribute(e,t,n=!0){const i=n?"normal":"low";if("low"==i&&"normal"==this._attributePriority.get(e))return!1;return super.getAttribute(e)!==t&&(this._attrs.set(e,t),this._attributePriority.set(e,i),!0)}_removeAttribute(e,t=!0){const n=t?"normal":"low";return("low"!=n||"normal"!=this._attributePriority.get(e))&&(this._attributePriority.set(e,n),!!super.hasAttribute(e)&&(this._attrs.delete(e),!0))}_setAttributesTo(e){const t=new Set;for(const[t,n]of this.getAttributes())e.get(t)!==n&&this._removeAttribute(t,!1);for(const[n,i]of e){this._setAttribute(n,i,!1)&&t.add(n)}return t}*_getStoredAttributes(){const e=this.getFirstPosition().parent;if(this.isCollapsed&&e.isEmpty)for(const t of e.getAttributeKeys())if(t.startsWith("selection:")){const n=t.substr("selection:".length);yield[n,e.getAttribute(t)]}}_getSurroundingAttributes(){const e=this.getFirstPosition(),t=this._model.schema;let n=null;if(this.isCollapsed){const t=e.textNode?e.textNode:e.nodeBefore,i=e.textNode?e.textNode:e.nodeAfter;if(this.isGravityOverridden||(n=Ws(t)),n||(n=Ws(i)),!this.isGravityOverridden&&!n){let e=t;for(;e&&!n;)e=e.previousSibling,n=Ws(e)}if(!n){let e=i;for(;e&&!n;)e=e.nextSibling,n=Ws(e)}n||(n=this._getStoredAttributes())}else{const e=this.getFirstRange();for(const i of e){if(i.item.is("element")&&t.isObject(i.item))break;if("text"==i.type){n=i.item.getAttributes();break}}}return n}_fixGraveyardSelection(e){const t=this._model.schema.getNearestSelectionRange(e);t&&this._pushRange(t)}}function Ws(e){return e instanceof ks||e instanceof ws?e.getAttributes():null}class qs{constructor(e){this._dispatchers=e}add(e){for(const t of this._dispatchers)e(t);return this}}var $s=function(e){return en(e,5)};class Gs extends qs{elementToElement(e){return this.add(function(e){return(e=$s(e)).view=Qs(e.view,"container"),t=>{var n;t.on("insert:"+e.model,(n=e.view,(e,t,i)=>{const o=n(t.item,i.writer);if(!o)return;if(!i.consumable.consume(t.item,"insert"))return;const r=i.mapper.toViewPosition(t.range.start);i.mapper.bindElements(t.item,o),i.writer.insert(r,o)}),{priority:e.converterPriority||"normal"})}}(e))}attributeToElement(e){return this.add(function(e){e=$s(e);let t="attribute:"+(e.model.key?e.model.key:e.model);e.model.name&&(t+=":"+e.model.name);if(e.model.values)for(const t of e.model.values)e.view[t]=Qs(e.view[t],"attribute");else e.view=Qs(e.view,"attribute");const n=Js(e);return i=>{i.on(t,function(e){return(t,n,i)=>{const o=e(n.attributeOldValue,i.writer),r=e(n.attributeNewValue,i.writer);if(!o&&!r)return;if(!i.consumable.consume(n.item,t.name))return;const s=i.writer,a=s.document.selection;if(n.item instanceof Os||n.item instanceof Hs)s.wrap(a.getFirstRange(),r);else{let e=i.mapper.toViewRange(n.range);null!==n.attributeOldValue&&o&&(e=s.unwrap(e,o)),null!==n.attributeNewValue&&r&&s.wrap(e,r)}}}(n),{priority:e.converterPriority||"normal"})}}(e))}attributeToAttribute(e){return this.add(function(e){e=$s(e);let t="attribute:"+(e.model.key?e.model.key:e.model);e.model.name&&(t+=":"+e.model.name);if(e.model.values)for(const t of e.model.values)e.view[t]=Zs(e.view[t]);else e.view=Zs(e.view);const n=Js(e);return i=>{var o;i.on(t,(o=n,(e,t,n)=>{const i=o(t.attributeOldValue,t),r=o(t.attributeNewValue,t);if(!i&&!r)return;if(!n.consumable.consume(t.item,e.name))return;const s=n.mapper.toViewElement(t.item),a=n.writer;if(!s)throw new hn.b("conversion-attribute-to-attribute-on-text: Trying to convert text node's attribute with attribute-to-attribute converter.",[t,n]);if(null!==t.attributeOldValue&&i)if("class"==i.key){const e=Array.isArray(i.value)?i.value:[i.value];for(const t of e)a.removeClass(t,s)}else if("style"==i.key){const e=Object.keys(i.value);for(const t of e)a.removeStyle(t,s)}else a.removeAttribute(i.key,s);if(null!==t.attributeNewValue&&r)if("class"==r.key){const e=Array.isArray(r.value)?r.value:[r.value];for(const t of e)a.addClass(t,s)}else if("style"==r.key){const e=Object.keys(r.value);for(const t of e)a.setStyle(t,r.value[t],s)}else a.setAttribute(r.key,r.value,s)}),{priority:e.converterPriority||"normal"})}}(e))}markerToElement(e){return this.add(function(e){return(e=$s(e)).view=Qs(e.view,"ui"),t=>{var n;t.on("addMarker:"+e.model,(n=e.view,(e,t,i)=>{t.isOpening=!0;const o=n(t,i.writer);t.isOpening=!1;const r=n(t,i.writer);if(!o||!r)return;const s=t.markerRange;if(s.isCollapsed&&!i.consumable.consume(s,e.name))return;for(const t of s)if(!i.consumable.consume(t.item,e.name))return;const a=i.mapper,c=i.writer;c.insert(a.toViewPosition(s.start),o),i.mapper.bindElementToMarker(o,t.markerName),s.isCollapsed||(c.insert(a.toViewPosition(s.end),r),i.mapper.bindElementToMarker(r,t.markerName)),e.stop()}),{priority:e.converterPriority||"normal"}),t.on("removeMarker:"+e.model,(e.view,(e,t,n)=>{const i=n.mapper.markerNameToElements(t.markerName);if(i){for(const e of i)n.mapper.unbindElementFromMarkerName(e,t.markerName),n.writer.clear(n.writer.createRangeOn(e),e);n.writer.clearClonedElementsGroup(t.markerName),e.stop()}}),{priority:e.converterPriority||"normal"})}}(e))}markerToHighlight(e){return this.add(function(e){return t=>{var n;t.on("addMarker:"+e.model,(n=e.view,(e,t,i)=>{if(!t.item)return;if(!(t.item instanceof Os||t.item instanceof Hs||t.item.is("$textProxy")))return;const o=Xs(n,t,i);if(!o)return;if(!i.consumable.consume(t.item,e.name))return;const r=i.writer,s=Ys(r,o),a=r.document.selection;if(t.item instanceof Os||t.item instanceof Hs)r.wrap(a.getFirstRange(),s,a);else{const e=i.mapper.toViewRange(t.range),n=r.wrap(e,s);for(const e of n.getItems())if(e.is("attributeElement")&&e.isSimilar(s)){i.mapper.bindElementToMarker(e,t.markerName);break}}}),{priority:e.converterPriority||"normal"}),t.on("addMarker:"+e.model,function(e){return(t,n,i)=>{if(!n.item)return;if(!(n.item instanceof vs))return;const o=Xs(e,n,i);if(!o)return;if(!i.consumable.test(n.item,t.name))return;const r=i.mapper.toViewElement(n.item);if(r&&r.getCustomProperty("addHighlight")){i.consumable.consume(n.item,t.name);for(const e of Ps._createIn(n.item))i.consumable.consume(e.item,t.name);r.getCustomProperty("addHighlight")(r,o,i.writer),i.mapper.bindElementToMarker(r,n.markerName)}}}(e.view),{priority:e.converterPriority||"normal"}),t.on("removeMarker:"+e.model,function(e){return(t,n,i)=>{if(n.markerRange.isCollapsed)return;const o=Xs(e,n,i);if(!o)return;const r=Ys(i.writer,o),s=i.mapper.markerNameToElements(n.markerName);if(s){for(const e of s)i.mapper.unbindElementFromMarkerName(e,n.markerName),e.is("attributeElement")?i.writer.unwrap(i.writer.createRangeOn(e),r):e.getCustomProperty("removeHighlight")(e,o.id,i.writer);i.writer.clearClonedElementsGroup(n.markerName),t.stop()}}}(e.view),{priority:e.converterPriority||"normal"})}}(e))}markerToData(e){return this.add(function(e){const t=(e=$s(e)).model;e.view||(e.view=n=>({group:t,name:n.substr(e.model.length+1)}));return n=>{var i;n.on("addMarker:"+t,(i=e.view,(e,t,n)=>{const o=i(t.markerName);if(!o)return;const r=t.markerRange;n.consumable.consume(r,e.name)&&(Ks(r,!1,n,t,o),Ks(r,!0,n,t,o),e.stop())}),{priority:e.converterPriority||"normal"}),n.on("removeMarker:"+t,function(e){return(t,n,i)=>{const o=e(n.markerName);if(!o)return;const r=i.mapper.markerNameToElements(n.markerName);if(r){for(const e of r)i.mapper.unbindElementFromMarkerName(e,n.markerName),e.is("containerElement")?(s(`data-${o.group}-start-before`,e),s(`data-${o.group}-start-after`,e),s(`data-${o.group}-end-before`,e),s(`data-${o.group}-end-after`,e)):i.writer.clear(i.writer.createRangeOn(e),e);i.writer.clearClonedElementsGroup(n.markerName),t.stop()}function s(e,t){if(t.hasAttribute(e)){const n=new Set(t.getAttribute(e).split(","));n.delete(o.name),0==n.size?i.writer.removeAttribute(e,t):i.writer.setAttribute(e,Array.from(n).join(","),t)}}}}(e.view),{priority:e.converterPriority||"normal"})}}(e))}}function Ys(e,t){const n=e.createAttributeElement("span",t.attributes);return t.classes&&n._addClass(t.classes),t.priority&&(n._priority=t.priority),n._id=t.id,n}function Ks(e,t,n,i,o){const r=t?e.start:e.end;if(n.schema.checkChild(r,"$text")){!function(e,t,n,i,o){const r=`${o.group}-${t?"start":"end"}`,s=o.name?{name:o.name}:null,a=n.writer.createUIElement(r,s);n.writer.insert(e,a),n.mapper.bindElementToMarker(a,i.markerName)}(n.mapper.toViewPosition(r),t,n,i,o)}else{let e,s;t&&r.nodeAfter||!t&&!r.nodeBefore?(e=r.nodeAfter,s=!0):(e=r.nodeBefore,s=!1);!function(e,t,n,i,o,r){const s=`data-${r.group}-${t?"start":"end"}-${n?"before":"after"}`,a=e.hasAttribute(s)?e.getAttribute(s).split(","):[];a.unshift(r.name),i.writer.setAttribute(s,a.join(","),e),i.mapper.bindElementToMarker(e,o.markerName)}(n.mapper.toViewElement(e),t,s,n,i,o)}}function Qs(e,t){return"function"==typeof e?e:(n,i)=>function(e,t,n){"string"==typeof e&&(e={name:e});let i;const o=Object.assign({},e.attributes);if("container"==n)i=t.createContainerElement(e.name,o);else if("attribute"==n){const n={priority:e.priority||ro.DEFAULT_PRIORITY};i=t.createAttributeElement(e.name,o,n)}else i=t.createUIElement(e.name,o);if(e.styles){const n=Object.keys(e.styles);for(const o of n)t.setStyle(o,e.styles[o],i)}if(e.classes){const n=e.classes;if("string"==typeof n)t.addClass(n,i);else for(const e of n)t.addClass(e,i)}return i}(e,i,t)}function Js(e){return e.model.values?(t,n)=>{const i=e.view[t];return i?i(t,n):null}:e.view}function Zs(e){return"string"==typeof e?t=>({key:e,value:t}):"object"==typeof e?e.value?()=>e:t=>({key:e.key,value:t}):e}function Xs(e,t,n){const i="function"==typeof e?e(t,n):e;return i?(i.priority||(i.priority=10),i.id||(i.id=t.markerName),i):null}class ea extends qs{elementToElement(e){return this.add(ta(e))}elementToAttribute(e){return this.add(function(e){oa(e=$s(e));const t=ra(e,!1),n=na(e.view),i=n?"element:"+n:"element";return n=>{n.on(i,t,{priority:e.converterPriority||"low"})}}(e))}attributeToAttribute(e){return this.add(function(e){e=$s(e);let t=null;("string"==typeof e.view||e.view.key)&&(t=function(e){"string"==typeof e.view&&(e.view={key:e.view});const t=e.view.key;let n;if("class"==t||"style"==t){n={["class"==t?"classes":"styles"]:e.view.value}}else{const i=void 0===e.view.value?/[\s\S]*/:e.view.value;n={attributes:{[t]:i}}}e.view.name&&(n.name=e.view.name);return e.view=n,t}(e));oa(e,t);const n=ra(e,!0);return t=>{t.on("element",n,{priority:e.converterPriority||"low"})}}(e))}elementToMarker(e){return console.warn(Object(hn.a)("upcast-helpers-element-to-marker-deprecated: The UpcastHelpers#elementToMarker() method has been deprecated and will be removed in the near future. Please use UpcastHelpers#dataToMarker() instead.")),this.add(function(e){return function(e){const t=e.model;e.model=(e,n)=>{const i="string"==typeof t?t:t(e);return n.createElement("$marker",{"data-name":i})}}(e=$s(e)),ta(e)}(e))}dataToMarker(e){return this.add(function(e){(e=$s(e)).model||(e.model=t=>t?e.view+":"+t:e.view);const t=ia(sa(e,"start")),n=ia(sa(e,"end"));return i=>{i.on("element:"+e.view+"-start",t,{priority:e.converterPriority||"normal"}),i.on("element:"+e.view+"-end",n,{priority:e.converterPriority||"normal"});const o=un.get("low"),r=un.get("highest"),s=un.get(e.converterPriority)/r;i.on("element",function(e){return(t,n,i)=>{const o="data-"+e.view;function r(t,o){for(const r of o){const o=e.model(r),s=i.writer.createElement("$marker",{"data-name":o});i.writer.insert(s,t),n.modelCursor.isEqual(t)?n.modelCursor=n.modelCursor.getShiftedBy(1):n.modelCursor=n.modelCursor._getTransformedByInsertion(t,1),n.modelRange=n.modelRange._getTransformedByInsertion(t,1)[0]}}n.modelRange||(n=Object.assign(n,i.convertChildren(n.viewItem,n.modelCursor))),i.consumable.consume(n.viewItem,{attributes:o+"-end-after"})&&r(n.modelRange.end,n.viewItem.getAttribute(o+"-end-after").split(",")),i.consumable.consume(n.viewItem,{attributes:o+"-start-after"})&&r(n.modelRange.end,n.viewItem.getAttribute(o+"-start-after").split(",")),i.consumable.consume(n.viewItem,{attributes:o+"-end-before"})&&r(n.modelRange.start,n.viewItem.getAttribute(o+"-end-before").split(",")),i.consumable.consume(n.viewItem,{attributes:o+"-start-before"})&&r(n.modelRange.start,n.viewItem.getAttribute(o+"-start-before").split(","))}}(e),{priority:o+s})}}(e))}}function ta(e){const t=ia(e=$s(e)),n=na(e.view),i=n?"element:"+n:"element";return n=>{n.on(i,t,{priority:e.converterPriority||"normal"})}}function na(e){return"string"==typeof e?e:"object"==typeof e&&"string"==typeof e.name?e.name:null}function ia(e){const t=e.view?new Ln(e.view):null;return(n,i,o)=>{let r={};if(t){const e=t.match(i.viewItem);if(!e)return;r=e.match}r.name=!0;const s=(a=e.model,c=i.viewItem,l=o.writer,a instanceof Function?a(c,l):l.createElement(a));var a,c,l;if(!s)return;if(!o.consumable.test(i.viewItem,r))return;const d=o.splitToAllowedParent(s,i.modelCursor);if(!d)return;o.writer.insert(s,d.position),o.convertChildren(i.viewItem,o.writer.createPositionAt(s,0)),o.consumable.consume(i.viewItem,r);const u=o.getSplitParts(s);i.modelRange=new Ps(o.writer.createPositionBefore(s),o.writer.createPositionAfter(u[u.length-1])),d.cursorParent?i.modelCursor=o.writer.createPositionAt(d.cursorParent,0):i.modelCursor=i.modelRange.end}}function oa(e,t=null){const n=null===t||(e=>e.getAttribute(t)),i="object"!=typeof e.model?e.model:e.model.key,o="object"!=typeof e.model||void 0===e.model.value?n:e.model.value;e.model={key:i,value:o}}function ra(e,t){const n=new Ln(e.view);return(i,o,r)=>{const s=n.match(o.viewItem);if(!s)return;const a=e.model.key,c="function"==typeof e.model.value?e.model.value(o.viewItem):e.model.value;if(null===c)return;if(!function(e,t){const n="function"==typeof e?e(t):e;if("object"==typeof n&&!na(n))return!1;return!n.classes&&!n.attributes&&!n.styles}(e.view,o.viewItem)?delete s.match.name:s.match.name=!0,!r.consumable.test(o.viewItem,s.match))return;o.modelRange||(o=Object.assign(o,r.convertChildren(o.viewItem,o.modelCursor)));(function(e,t,n,i){let o=!1;for(const r of Array.from(e.getItems({shallow:n})))i.schema.checkAttribute(r,t.key)&&(i.writer.setAttribute(t.key,t.value,r),o=!0);return o})(o.modelRange,{key:a,value:c},t,r)&&r.consumable.consume(o.viewItem,s.match)}}function sa(e,t){const n={};return n.view=e.view+"-"+t,n.model=(t,n)=>{const i=t.getAttribute("name"),o=e.model(i);return n.createElement("$marker",{"data-name":o})},n}class aa{constructor(e,t){this.model=e,this.view=new ps(t),this.mapper=new Es,this.downcastDispatcher=new Ns({mapper:this.mapper,schema:e.schema});const n=this.model.document,i=n.selection,o=this.model.markers;this.listenTo(this.model,"_beforeChanges",()=>{this.view._disableRendering(!0)},{priority:"highest"}),this.listenTo(this.model,"_afterChanges",()=>{this.view._disableRendering(!1)},{priority:"lowest"}),this.listenTo(n,"change",()=>{this.view.change(e=>{this.downcastDispatcher.convertChanges(n.differ,o,e),this.downcastDispatcher.convertSelection(i,o,e)})},{priority:"low"}),this.listenTo(this.view.document,"selectionChange",function(e,t){return(n,i)=>{const o=i.newSelection,r=new Os,s=[];for(const e of o.getRanges())s.push(t.toModelRange(e));r.setTo(s,{backward:o.isBackward}),r.isEqual(e.document.selection)||e.change(e=>{e.setSelection(r)})}}(this.model,this.mapper)),this.downcastDispatcher.on("insert:$text",(e,t,n)=>{if(!n.consumable.consume(t.item,"insert"))return;const i=n.writer,o=n.mapper.toViewPosition(t.range.start),r=i.createText(t.item.data);i.insert(o,r)},{priority:"lowest"}),this.downcastDispatcher.on("remove",(e,t,n)=>{const i=n.mapper.toViewPosition(t.position),o=t.position.getShiftedBy(t.length),r=n.mapper.toViewPosition(o,{isPhantom:!0}),s=n.writer.createRange(i,r),a=n.writer.remove(s.getTrimmed());for(const e of n.writer.createRangeIn(a).getItems())n.mapper.unbindViewElement(e)},{priority:"low"}),this.downcastDispatcher.on("selection",(e,t,n)=>{const i=n.writer,o=i.document.selection;for(const e of o.getRanges())e.isCollapsed&&e.end.parent.isAttached()&&n.writer.mergeAttributes(e.start);i.setSelection(null)},{priority:"low"}),this.downcastDispatcher.on("selection",(e,t,n)=>{const i=t.selection;if(i.isCollapsed)return;if(!n.consumable.consume(i,"selection"))return;const o=[];for(const e of i.getRanges()){const t=n.mapper.toViewRange(e);o.push(t)}n.writer.setSelection(o,{backward:i.isBackward})},{priority:"low"}),this.downcastDispatcher.on("selection",(e,t,n)=>{const i=t.selection;if(!i.isCollapsed)return;if(!n.consumable.consume(i,"selection"))return;const o=n.writer,r=i.getFirstPosition(),s=n.mapper.toViewPosition(r),a=o.breakAttributes(s);o.setSelection(a)},{priority:"low"}),this.view.document.roots.bindTo(this.model.document.roots).using(e=>{if("$graveyard"==e.rootName)return null;const t=new Qi(this.view.document,e.name);return t.rootName=e.rootName,this.mapper.bindElements(e,t),t})}destroy(){this.view.destroy(),this.stopListening()}}xn(aa,Hi);class ca{constructor(){this._commands=new Map}add(e,t){this._commands.set(e,t)}get(e){return this._commands.get(e)}execute(e,...t){const n=this.get(e);if(!n)throw new hn.b("commandcollection-command-not-found: Command does not exist.",this,{commandName:e});return n.execute(...t)}*names(){yield*this._commands.keys()}*commands(){yield*this._commands.values()}[Symbol.iterator](){return this._commands[Symbol.iterator]()}destroy(){for(const e of this.commands())e.destroy()}}class la{constructor(){this._consumables=new Map}add(e,t){let n;e.is("$text")||e.is("documentFragment")?this._consumables.set(e,!0):(this._consumables.has(e)?n=this._consumables.get(e):(n=new da(e),this._consumables.set(e,n)),n.add(t))}test(e,t){const n=this._consumables.get(e);return void 0===n?null:e.is("$text")||e.is("documentFragment")?n:n.test(t)}consume(e,t){return!!this.test(e,t)&&(e.is("$text")||e.is("documentFragment")?this._consumables.set(e,!1):this._consumables.get(e).consume(t),!0)}revert(e,t){const n=this._consumables.get(e);void 0!==n&&(e.is("$text")||e.is("documentFragment")?this._consumables.set(e,!0):n.revert(t))}static consumablesFromElement(e){const t={element:e,name:!0,attributes:[],classes:[],styles:[]},n=e.getAttributeKeys();for(const e of n)"style"!=e&&"class"!=e&&t.attributes.push(e);const i=e.getClassNames();for(const e of i)t.classes.push(e);const o=e.getStyleNames();for(const e of o)t.styles.push(e);return t}static createFrom(e,t){if(t||(t=new la(e)),e.is("$text"))return t.add(e),t;e.is("element")&&t.add(e,la.consumablesFromElement(e)),e.is("documentFragment")&&t.add(e);for(const n of e.getChildren())t=la.createFrom(n,t);return t}}class da{constructor(e){this.element=e,this._canConsumeName=null,this._consumables={attributes:new Map,styles:new Map,classes:new Map}}add(e){e.name&&(this._canConsumeName=!0);for(const t in this._consumables)t in e&&this._add(t,e[t])}test(e){if(e.name&&!this._canConsumeName)return this._canConsumeName;for(const t in this._consumables)if(t in e){const n=this._test(t,e[t]);if(!0!==n)return n}return!0}consume(e){e.name&&(this._canConsumeName=!1);for(const t in this._consumables)t in e&&this._consume(t,e[t])}revert(e){e.name&&(this._canConsumeName=!0);for(const t in this._consumables)t in e&&this._revert(t,e[t])}_add(e,t){const n=ze(t)?t:[t],i=this._consumables[e];for(const t of n){if("attributes"===e&&("class"===t||"style"===t))throw new hn.b("viewconsumable-invalid-attribute: Classes and styles should be handled separately.",this);if(i.set(t,!0),"styles"===e)for(const e of this.element.document.stylesProcessor.getRelatedStyles(t))i.set(e,!0)}}_test(e,t){const n=ze(t)?t:[t],i=this._consumables[e];for(const t of n)if("attributes"!==e||"class"!==t&&"style"!==t){const e=i.get(t);if(void 0===e)return null;if(!e)return!1}else{const e="class"==t?"classes":"styles",n=this._test(e,[...this._consumables[e].keys()]);if(!0!==n)return n}return!0}_consume(e,t){const n=ze(t)?t:[t],i=this._consumables[e];for(const t of n)if("attributes"!==e||"class"!==t&&"style"!==t){if(i.set(t,!1),"styles"==e)for(const e of this.element.document.stylesProcessor.getRelatedStyles(t))i.set(e,!1)}else{const e="class"==t?"classes":"styles";this._consume(e,[...this._consumables[e].keys()])}}_revert(e,t){const n=ze(t)?t:[t],i=this._consumables[e];for(const t of n)if("attributes"!==e||"class"!==t&&"style"!==t){!1===i.get(t)&&i.set(t,!0)}else{const e="class"==t?"classes":"styles";this._revert(e,[...this._consumables[e].keys()])}}}class ua{constructor(){this._sourceDefinitions={},this._attributeProperties={},this.decorate("checkChild"),this.decorate("checkAttribute"),this.on("checkAttribute",(e,t)=>{t[0]=new ha(t[0])},{priority:"highest"}),this.on("checkChild",(e,t)=>{t[0]=new ha(t[0]),t[1]=this.getDefinition(t[1])},{priority:"highest"})}register(e,t){if(this._sourceDefinitions[e])throw new hn.b("schema-cannot-register-item-twice: A single item cannot be registered twice in the schema.",this,{itemName:e});this._sourceDefinitions[e]=[Object.assign({},t)],this._clearCache()}extend(e,t){if(!this._sourceDefinitions[e])throw new hn.b("schema-cannot-extend-missing-item: Cannot extend an item which was not registered yet.",this,{itemName:e});this._sourceDefinitions[e].push(Object.assign({},t)),this._clearCache()}getDefinitions(){return this._compiledDefinitions||this._compile(),this._compiledDefinitions}getDefinition(e){let t;return t="string"==typeof e?e:e.is&&(e.is("$text")||e.is("$textProxy"))?"$text":e.name,this.getDefinitions()[t]}isRegistered(e){return!!this.getDefinition(e)}isBlock(e){const t=this.getDefinition(e);return!(!t||!t.isBlock)}isLimit(e){const t=this.getDefinition(e);return!!t&&!(!t.isLimit&&!t.isObject)}isObject(e){const t=this.getDefinition(e);return!(!t||!t.isObject)}isInline(e){const t=this.getDefinition(e);return!(!t||!t.isInline)}checkChild(e,t){return!!t&&this._checkContextMatch(t,e)}checkAttribute(e,t){const n=this.getDefinition(e.last);return!!n&&n.allowAttributes.includes(t)}checkMerge(e,t=null){if(e instanceof As){const t=e.nodeBefore,n=e.nodeAfter;if(!(t instanceof vs))throw new hn.b("schema-check-merge-no-element-before: The node before the merge position must be an element.",this);if(!(n instanceof vs))throw new hn.b("schema-check-merge-no-element-after: The node after the merge position must be an element.",this);return this.checkMerge(t,n)}for(const n of t.getChildren())if(!this.checkChild(e,n))return!1;return!0}addChildCheck(e){this.on("checkChild",(t,[n,i])=>{if(!i)return;const o=e(n,i);"boolean"==typeof o&&(t.stop(),t.return=o)},{priority:"high"})}addAttributeCheck(e){this.on("checkAttribute",(t,[n,i])=>{const o=e(n,i);"boolean"==typeof o&&(t.stop(),t.return=o)},{priority:"high"})}setAttributeProperties(e,t){this._attributeProperties[e]=Object.assign(this.getAttributeProperties(e),t)}getAttributeProperties(e){return this._attributeProperties[e]||{}}getLimitElement(e){let t;if(e instanceof As)t=e.parent;else{t=(e instanceof Ps?[e]:Array.from(e.getRanges())).reduce((e,t)=>{const n=t.getCommonAncestor();return e?e.getCommonAncestor(n,{includeSelf:!0}):n},null)}for(;!this.isLimit(t)&&t.parent;)t=t.parent;return t}checkAttributeInSelection(e,t){if(e.isCollapsed){const n=[...e.getFirstPosition().getAncestors(),new ws("",e.getAttributes())];return this.checkAttribute(n,t)}{const n=e.getRanges();for(const e of n)for(const n of e)if(this.checkAttribute(n.item,t))return!0}return!1}*getValidRanges(e,t){e=function*(e){for(const t of e)yield*t.getMinimalFlatRanges()}(e);for(const n of e)yield*this._getValidRangesForRange(n,t)}getNearestSelectionRange(e,t="both"){if(this.checkChild(e,"$text"))return new Ps(e);let n,i;const o=e.getAncestors().reverse().find(e=>this.isLimit(e))||e.root;"both"!=t&&"backward"!=t||(n=new ys({boundaries:Ps._createIn(o),startPosition:e,direction:"backward"})),"both"!=t&&"forward"!=t||(i=new ys({boundaries:Ps._createIn(o),startPosition:e}));for(const e of function*(e,t){let n=!1;for(;!n;){if(n=!0,e){const t=e.next();t.done||(n=!1,yield{walker:e,value:t.value})}if(t){const e=t.next();e.done||(n=!1,yield{walker:t,value:e.value})}}}(n,i)){const t=e.walker==n?"elementEnd":"elementStart",i=e.value;if(i.type==t&&this.isObject(i.item))return Ps._createOn(i.item);if(this.checkChild(i.nextPosition,"$text"))return new Ps(i.nextPosition)}return null}findAllowedParent(e,t){let n=e.parent;for(;n;){if(this.checkChild(n,t))return n;if(this.isLimit(n))return null;n=n.parent}return null}removeDisallowedAttributes(e,t){for(const n of e)if(n.is("$text"))xa(this,n,t);else{const e=Ps._createIn(n).getPositions();for(const n of e){xa(this,n.nodeBefore||n.parent,t)}}}createContext(e){return new ha(e)}_clearCache(){this._compiledDefinitions=null}_compile(){const e={},t=this._sourceDefinitions,n=Object.keys(t);for(const i of n)e[i]=ma(t[i],i);for(const t of n)ga(e,t);for(const t of n)fa(e,t);for(const t of n)pa(e,t),ba(e,t);for(const t of n)wa(e,t),ka(e,t);this._compiledDefinitions=e}_checkContextMatch(e,t,n=t.length-1){const i=t.getItem(n);if(e.allowIn.includes(i.name)){if(0==n)return!0;{const e=this.getDefinition(i);return this._checkContextMatch(e,t,n-1)}}return!1}*_getValidRangesForRange(e,t){let n=e.start,i=e.start;for(const o of e.getItems({shallow:!0}))o.is("element")&&(yield*this._getValidRangesForRange(Ps._createIn(o),t)),this.checkAttribute(o,t)||(n.isEqual(i)||(yield new Ps(n,i)),n=As._createAfter(o)),i=As._createAfter(o);n.isEqual(i)||(yield new Ps(n,i))}}xn(ua,Hi);class ha{constructor(e){if(e instanceof ha)return e;"string"==typeof e?e=[e]:Array.isArray(e)||(e=e.getAncestors({includeSelf:!0})),e[0]&&"string"!=typeof e[0]&&e[0].is("documentFragment")&&e.shift(),this._items=e.map(ya)}get length(){return this._items.length}get last(){return this._items[this._items.length-1]}[Symbol.iterator](){return this._items[Symbol.iterator]()}push(e){const t=new ha([e]);return t._items=[...this._items,...t._items],t}getItem(e){return this._items[e]}*getNames(){yield*this._items.map(e=>e.name)}endsWith(e){return Array.from(this.getNames()).join(" ").endsWith(e)}startsWith(e){return Array.from(this.getNames()).join(" ").startsWith(e)}}function ma(e,t){const n={name:t,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],inheritTypesFrom:[]};return function(e,t){for(const n of e){const e=Object.keys(n).filter(e=>e.startsWith("is"));for(const i of e)t[i]=n[i]}}(e,n),_a(e,n,"allowIn"),_a(e,n,"allowContentOf"),_a(e,n,"allowWhere"),_a(e,n,"allowAttributes"),_a(e,n,"allowAttributesOf"),_a(e,n,"inheritTypesFrom"),function(e,t){for(const n of e){const e=n.inheritAllFrom;e&&(t.allowContentOf.push(e),t.allowWhere.push(e),t.allowAttributesOf.push(e),t.inheritTypesFrom.push(e))}}(e,n),n}function ga(e,t){for(const n of e[t].allowContentOf)if(e[n]){va(e,n).forEach(e=>{e.allowIn.push(t)})}delete e[t].allowContentOf}function fa(e,t){for(const n of e[t].allowWhere){const i=e[n];if(i){const n=i.allowIn;e[t].allowIn.push(...n)}}delete e[t].allowWhere}function pa(e,t){for(const n of e[t].allowAttributesOf){const i=e[n];if(i){const n=i.allowAttributes;e[t].allowAttributes.push(...n)}}delete e[t].allowAttributesOf}function ba(e,t){const n=e[t];for(const t of n.inheritTypesFrom){const i=e[t];if(i){const e=Object.keys(i).filter(e=>e.startsWith("is"));for(const t of e)t in n||(n[t]=i[t])}}delete n.inheritTypesFrom}function wa(e,t){const n=e[t],i=n.allowIn.filter(t=>e[t]);n.allowIn=Array.from(new Set(i))}function ka(e,t){const n=e[t];n.allowAttributes=Array.from(new Set(n.allowAttributes))}function _a(e,t,n){for(const i of e)"string"==typeof i[n]?t[n].push(i[n]):Array.isArray(i[n])&&t[n].push(...i[n])}function va(e,t){const n=e[t];return(i=e,Object.keys(i).map(e=>i[e])).filter(e=>e.allowIn.includes(n.name));var i}function ya(e){return"string"==typeof e?{name:e,*getAttributeKeys(){},getAttribute(){}}:{name:e.is("element")?e.name:"$text",*getAttributeKeys(){yield*e.getAttributeKeys()},getAttribute:t=>e.getAttribute(t)}}function xa(e,t,n){for(const i of t.getAttributeKeys())e.checkAttribute(t,i)||n.removeAttribute(i,t)}class Aa{constructor(e={}){this._splitParts=new Map,this._modelCursor=null,this.conversionApi=Object.assign({},e),this.conversionApi.convertItem=this._convertItem.bind(this),this.conversionApi.convertChildren=this._convertChildren.bind(this),this.conversionApi.splitToAllowedParent=this._splitToAllowedParent.bind(this),this.conversionApi.getSplitParts=this._getSplitParts.bind(this)}convert(e,t,n=["$root"]){this.fire("viewCleanup",e),this._modelCursor=function(e,t){let n;for(const i of new ha(e)){const e={};for(const t of i.getAttributeKeys())e[t]=i.getAttribute(t);const o=t.createElement(i.name,e);n&&t.append(o,n),n=As._createAt(o,0)}return n}(n,t),this.conversionApi.writer=t,this.conversionApi.consumable=la.createFrom(e),this.conversionApi.store={};const{modelRange:i}=this._convertItem(e,this._modelCursor),o=t.createDocumentFragment();if(i){this._removeEmptyElements();for(const e of Array.from(this._modelCursor.parent.getChildren()))t.append(e,o);o.markers=function(e,t){const n=new Set,i=new Map,o=Ps._createIn(e).getItems();for(const e of o)"$marker"==e.name&&n.add(e);for(const e of n){const n=e.getAttribute("data-name"),o=t.createPositionBefore(e);i.has(n)?i.get(n).end=o.clone():i.set(n,new Ps(o.clone())),t.remove(e)}return i}(o,t)}return this._modelCursor=null,this._splitParts.clear(),this.conversionApi.writer=null,this.conversionApi.store=null,o}_convertItem(e,t){const n=Object.assign({viewItem:e,modelCursor:t,modelRange:null});if(e.is("element")?this.fire("element:"+e.name,n,this.conversionApi):e.is("$text")?this.fire("text",n,this.conversionApi):this.fire("documentFragment",n,this.conversionApi),n.modelRange&&!(n.modelRange instanceof Ps))throw new hn.b("view-conversion-dispatcher-incorrect-result: Incorrect conversion result was dropped.",this);return{modelRange:n.modelRange,modelCursor:n.modelCursor}}_convertChildren(e,t){const n=new Ps(t);let i=t;for(const t of Array.from(e.getChildren())){const e=this._convertItem(t,i);e.modelRange instanceof Ps&&(n.end=e.modelRange.end,i=e.modelCursor)}return{modelRange:n,modelCursor:i}}_splitToAllowedParent(e,t){const n=this.conversionApi.schema.findAllowedParent(t,e);if(!n)return null;if(n===t.parent)return{position:t};if(this._modelCursor.parent.getAncestors().includes(n))return null;const i=this.conversionApi.writer.split(t,n),o=[];for(const e of i.range.getWalker())if("elementEnd"==e.type)o.push(e.item);else{const t=o.pop(),n=e.item;this._registerSplitPair(t,n)}return{position:i.position,cursorParent:i.range.end.parent}}_registerSplitPair(e,t){this._splitParts.has(e)||this._splitParts.set(e,[e]);const n=this._splitParts.get(e);this._splitParts.set(t,n),n.push(t)}_getSplitParts(e){let t;return t=this._splitParts.has(e)?this._splitParts.get(e):[e],t}_removeEmptyElements(){let e=!1;for(const t of this._splitParts.keys())t.isEmpty&&(this.conversionApi.writer.remove(t),this._splitParts.delete(t),e=!0);e&&this._removeEmptyElements()}}xn(Aa,fn);class Ca{constructor(e,t){this.model=e,this.stylesProcessor=t,this.processor,this.mapper=new Es,this.downcastDispatcher=new Ns({mapper:this.mapper,schema:e.schema}),this.downcastDispatcher.on("insert:$text",(e,t,n)=>{if(!n.consumable.consume(t.item,"insert"))return;const i=n.writer,o=n.mapper.toViewPosition(t.range.start),r=i.createText(t.item.data);i.insert(o,r)},{priority:"lowest"}),this.upcastDispatcher=new Aa({schema:e.schema}),this.viewDocument=new oo(t),this._viewWriter=new Eo(this.viewDocument),this.upcastDispatcher.on("text",(e,t,n)=>{if(n.schema.checkChild(t.modelCursor,"$text")&&n.consumable.consume(t.viewItem)){const e=n.writer.createText(t.viewItem.data);n.writer.insert(e,t.modelCursor),t.modelRange=Ps._createFromPositionAndShift(t.modelCursor,e.offsetSize),t.modelCursor=t.modelRange.end}},{priority:"lowest"}),this.upcastDispatcher.on("element",(e,t,n)=>{if(!t.modelRange&&n.consumable.consume(t.viewItem,{name:!0})){const{modelRange:e,modelCursor:i}=n.convertChildren(t.viewItem,t.modelCursor);t.modelRange=e,t.modelCursor=i}},{priority:"lowest"}),this.upcastDispatcher.on("documentFragment",(e,t,n)=>{if(!t.modelRange&&n.consumable.consume(t.viewItem,{name:!0})){const{modelRange:e,modelCursor:i}=n.convertChildren(t.viewItem,t.modelCursor);t.modelRange=e,t.modelCursor=i}},{priority:"lowest"}),this.decorate("init"),this.decorate("set"),this.on("init",()=>{this.fire("ready")},{priority:"lowest"})}get(e){const{rootName:t="main",trim:n="empty"}=e||{};if(!this._checkIfRootsExists([t]))throw new hn.b("datacontroller-get-non-existent-root: Attempting to get data from a non-existing root.",this);const i=this.model.document.getRoot(t);return"empty"!==n||this.model.hasContent(i,{ignoreWhitespaces:!0})?this.stringify(i):""}stringify(e){const t=this.toView(e);return this.processor.toData(t)}toView(e){const t=this.viewDocument,n=this._viewWriter;this.mapper.clearBindings();const i=Ps._createIn(e),o=new Po(t);if(this.mapper.bindElements(e,o),this.downcastDispatcher.convertInsert(i,n),!e.is("documentFragment")){const t=function(e){const t=[],n=e.root.document;if(!n)return[];const i=Ps._createIn(e);for(const e of n.model.markers){const n=i.getIntersection(e.getRange());n&&t.push([e.name,n])}return t}(e);for(const[e,i]of t)this.downcastDispatcher.convertMarkerAdd(e,i,n)}return o}init(e){if(this.model.document.version)throw new hn.b("datacontroller-init-document-not-empty: Trying to set initial data to not empty document.",this);let t={};if("string"==typeof e?t.main=e:t=e,!this._checkIfRootsExists(Object.keys(t)))throw new hn.b("datacontroller-init-non-existent-root: Attempting to init data on a non-existing root.",this);return this.model.enqueueChange("transparent",e=>{for(const n of Object.keys(t)){const i=this.model.document.getRoot(n);e.insert(this.parse(t[n],i),i,0)}}),Promise.resolve()}set(e){let t={};if("string"==typeof e?t.main=e:t=e,!this._checkIfRootsExists(Object.keys(t)))throw new hn.b("datacontroller-set-non-existent-root: Attempting to set data on a non-existing root.",this);this.model.enqueueChange("transparent",e=>{e.setSelection(null),e.removeSelectionAttribute(this.model.document.selection.getAttributeKeys());for(const n of Object.keys(t)){const i=this.model.document.getRoot(n);e.remove(e.createRangeIn(i)),e.insert(this.parse(t[n],i),i,0)}})}parse(e,t="$root"){const n=this.processor.toView(e);return this.toModel(n,t)}toModel(e,t="$root"){return this.model.change(n=>this.upcastDispatcher.convert(e,n,t))}addStyleProcessorRules(e){e(this.stylesProcessor)}destroy(){this.stopListening()}_checkIfRootsExists(e){for(const t of e)if(!this.model.document.getRootNames().includes(t))return!1;return!0}}xn(Ca,Hi);class Ta{constructor(e,t){this._helpers=new Map,this._downcast=Array.isArray(e)?e:[e],this._createConversionHelpers({name:"downcast",dispatchers:this._downcast,isDowncast:!0}),this._upcast=Array.isArray(t)?t:[t],this._createConversionHelpers({name:"upcast",dispatchers:this._upcast,isDowncast:!1})}addAlias(e,t){const n=this._downcast.includes(t);if(!this._upcast.includes(t)&&!n)throw new hn.b("conversion-add-alias-dispatcher-not-registered: Trying to register and alias for a dispatcher that nas not been registered.",this);this._createConversionHelpers({name:e,dispatchers:[t],isDowncast:n})}for(e){if(!this._helpers.has(e))throw new hn.b("conversion-for-unknown-group: Trying to add a converter to an unknown dispatchers group.",this);return this._helpers.get(e)}elementToElement(e){this.for("downcast").elementToElement(e);for(const{model:t,view:n}of Sa(e))this.for("upcast").elementToElement({model:t,view:n,converterPriority:e.converterPriority})}attributeToElement(e){this.for("downcast").attributeToElement(e);for(const{model:t,view:n}of Sa(e))this.for("upcast").elementToAttribute({view:n,model:t,converterPriority:e.converterPriority})}attributeToAttribute(e){this.for("downcast").attributeToAttribute(e);for(const{model:t,view:n}of Sa(e))this.for("upcast").attributeToAttribute({view:n,model:t})}_createConversionHelpers({name:e,dispatchers:t,isDowncast:n}){if(this._helpers.has(e))throw new hn.b("conversion-group-exists: Trying to register a group name that has already been registered.",this);const i=n?new Gs(t):new ea(t);this._helpers.set(e,i)}}function*Sa(e){if(e.model.values)for(const t of e.model.values){const n={key:e.model.key,value:t},i=e.view[t],o=e.upcastAlso?e.upcastAlso[t]:void 0;yield*Pa(n,i,o)}else yield*Pa(e.model,e.view,e.upcastAlso)}function*Pa(e,t,n){if(yield{model:e,view:t},n){n=Array.isArray(n)?n:[n];for(const t of n)yield{model:e,view:t}}}class Ea{constructor(e="default"){this.operations=[],this.type=e}get baseVersion(){for(const e of this.operations)if(null!==e.baseVersion)return e.baseVersion;return null}addOperation(e){return e.batch=this,this.operations.push(e),e}}class Ma{constructor(e){this.baseVersion=e,this.isDocumentOperation=null!==this.baseVersion,this.batch=null}_validate(){}toJSON(){const e=Object.assign({},this);return e.__className=this.constructor.className,delete e.batch,delete e.isDocumentOperation,e}static get className(){return"Operation"}static fromJSON(e){return new this(e.baseVersion)}}class Ia{constructor(e){this.markers=new Map,this._children=new _s,e&&this._insertChild(0,e)}[Symbol.iterator](){return this.getChildren()}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(e){return"documentFragment"===e||"model:documentFragment"===e}getChild(e){return this._children.getNode(e)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(e){return this._children.getNodeIndex(e)}getChildStartOffset(e){return this._children.getNodeStartOffset(e)}getPath(){return[]}getNodeByPath(e){let t=this;for(const n of e)t=t.getChild(t.offsetToIndex(n));return t}offsetToIndex(e){return this._children.offsetToIndex(e)}toJSON(){const e=[];for(const t of this._children)e.push(t.toJSON());return e}static fromJSON(e){const t=[];for(const n of e)n.name?t.push(vs.fromJSON(n)):t.push(ws.fromJSON(n));return new Ia(t)}_appendChild(e){this._insertChild(this.childCount,e)}_insertChild(e,t){const n=function(e){if("string"==typeof e)return[new ws(e)];yn(e)||(e=[e]);return Array.from(e).map(e=>"string"==typeof e?new ws(e):e instanceof ks?new ws(e.data,e.getAttributes()):e)}(t);for(const e of n)null!==e.parent&&e._remove(),e.parent=this;this._children._insertNodes(e,n)}_removeChildren(e,t=1){const n=this._children._removeNodes(e,t);for(const e of n)e.parent=null;return n}}function Na(e,t){const n=(t=za(t)).reduce((e,t)=>e+t.offsetSize,0),i=e.parent;La(e);const o=e.index;return i._insertChild(o,t),Da(i,o+t.length),Da(i,o),new Ps(e,e.getShiftedBy(n))}function Ra(e){if(!e.isFlat)throw new hn.b("operation-utils-remove-range-not-flat: Trying to remove a range which starts and ends in different element.",this);const t=e.start.parent;La(e.start),La(e.end);const n=t._removeChildren(e.start.index,e.end.index-e.start.index);return Da(t,e.start.index),n}function Oa(e,t){if(!e.isFlat)throw new hn.b("operation-utils-move-range-not-flat: Trying to move a range which starts and ends in different element.",this);const n=Ra(e);return Na(t=t._getTransformedByDeletion(e.start,e.end.offset-e.start.offset),n)}function za(e){const t=[];e instanceof Array||(e=[e]);for(let n=0;n<e.length;n++)if("string"==typeof e[n])t.push(new ws(e[n]));else if(e[n]instanceof ks)t.push(new ws(e[n].data,e[n].getAttributes()));else if(e[n]instanceof Ia||e[n]instanceof _s)for(const i of e[n])t.push(i);else e[n]instanceof bs&&t.push(e[n]);for(let e=1;e<t.length;e++){const n=t[e],i=t[e-1];n instanceof ws&&i instanceof ws&&Va(n,i)&&(t.splice(e-1,2,new ws(i.data+n.data,i.getAttributes())),e--)}return t}function Da(e,t){const n=e.getChild(t-1),i=e.getChild(t);if(n&&i&&n.is("$text")&&i.is("$text")&&Va(n,i)){const o=new ws(n.data+i.data,n.getAttributes());e._removeChildren(t-1,2),e._insertChild(t-1,o)}}function La(e){const t=e.textNode,n=e.parent;if(t){const i=e.offset-t.startOffset,o=t.index;n._removeChildren(o,1);const r=new ws(t.data.substr(0,i),t.getAttributes()),s=new ws(t.data.substr(i),t.getAttributes());n._insertChild(o,[r,s])}}function Va(e,t){const n=e.getAttributes(),i=t.getAttributes();for(const e of n){if(e[1]!==t.getAttribute(e[0]))return!1;i.next()}return i.next().done}var ja=function(e,t){return Rr(e,t)};class Ba extends Ma{constructor(e,t,n,i,o){super(o),this.range=e.clone(),this.key=t,this.oldValue=void 0===n?null:n,this.newValue=void 0===i?null:i}get type(){return null===this.oldValue?"addAttribute":null===this.newValue?"removeAttribute":"changeAttribute"}clone(){return new Ba(this.range,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new Ba(this.range,this.key,this.newValue,this.oldValue,this.baseVersion+1)}toJSON(){const e=super.toJSON();return e.range=this.range.toJSON(),e}_validate(){if(!this.range.isFlat)throw new hn.b("attribute-operation-range-not-flat: The range to change is not flat.",this);for(const e of this.range.getItems({shallow:!0})){if(null!==this.oldValue&&!ja(e.getAttribute(this.key),this.oldValue))throw new hn.b("attribute-operation-wrong-old-value: Changed node has different attribute value than operation's old attribute value.",this,{item:e,key:this.key,value:this.oldValue});if(null===this.oldValue&&null!==this.newValue&&e.hasAttribute(this.key))throw new hn.b("attribute-operation-attribute-exists: The attribute with given key already exists.",this,{node:e,key:this.key})}}_execute(){ja(this.oldValue,this.newValue)||function(e,t,n){La(e.start),La(e.end);for(const i of e.getItems({shallow:!0})){const e=i.is("$textProxy")?i.textNode:i;null!==n?e._setAttribute(t,n):e._removeAttribute(t),Da(e.parent,e.index)}Da(e.end.parent,e.end.index)}(this.range,this.key,this.newValue)}static get className(){return"AttributeOperation"}static fromJSON(e,t){return new Ba(Ps.fromJSON(e.range,t),e.key,e.oldValue,e.newValue,e.baseVersion)}}class Fa extends Ma{constructor(e,t){super(null),this.sourcePosition=e.clone(),this.howMany=t}get type(){return"detach"}toJSON(){const e=super.toJSON();return e.sourcePosition=this.sourcePosition.toJSON(),e}_validate(){if(this.sourcePosition.root.document)throw new hn.b("detach-operation-on-document-node: Cannot detach document node.",this)}_execute(){Ra(Ps._createFromPositionAndShift(this.sourcePosition,this.howMany))}static get className(){return"DetachOperation"}}class Ha extends Ma{constructor(e,t,n,i){super(i),this.sourcePosition=e.clone(),this.sourcePosition.stickiness="toNext",this.howMany=t,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNone"}get type(){return"$graveyard"==this.targetPosition.root.rootName?"remove":"$graveyard"==this.sourcePosition.root.rootName?"reinsert":"move"}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.baseVersion)}getMovedRangeStart(){return this.targetPosition._getTransformedByDeletion(this.sourcePosition,this.howMany)}getReversed(){const e=this.sourcePosition._getTransformedByInsertion(this.targetPosition,this.howMany);return new this.constructor(this.getMovedRangeStart(),this.howMany,e,this.baseVersion+1)}_validate(){const e=this.sourcePosition.parent,t=this.targetPosition.parent,n=this.sourcePosition.offset,i=this.targetPosition.offset;if(n+this.howMany>e.maxOffset)throw new hn.b("move-operation-nodes-do-not-exist: The nodes which should be moved do not exist.",this);if(e===t&&n<i&&i<n+this.howMany)throw new hn.b("move-operation-range-into-itself: Trying to move a range of nodes to the inside of that range.",this);if(this.sourcePosition.root==this.targetPosition.root&&"prefix"==In(this.sourcePosition.getParentPath(),this.targetPosition.getParentPath())){const e=this.sourcePosition.path.length-1;if(this.targetPosition.path[e]>=n&&this.targetPosition.path[e]<n+this.howMany)throw new hn.b("move-operation-node-into-itself: Trying to move a range of nodes into one of nodes from that range.",this)}}_execute(){Oa(Ps._createFromPositionAndShift(this.sourcePosition,this.howMany),this.targetPosition)}toJSON(){const e=super.toJSON();return e.sourcePosition=this.sourcePosition.toJSON(),e.targetPosition=this.targetPosition.toJSON(),e}static get className(){return"MoveOperation"}static fromJSON(e,t){const n=As.fromJSON(e.sourcePosition,t),i=As.fromJSON(e.targetPosition,t);return new this(n,e.howMany,i,e.baseVersion)}}class Ua extends Ma{constructor(e,t,n){super(n),this.position=e.clone(),this.position.stickiness="toNone",this.nodes=new _s(za(t)),this.shouldReceiveAttributes=!1}get type(){return"insert"}get howMany(){return this.nodes.maxOffset}clone(){const e=new _s([...this.nodes].map(e=>e._clone(!0))),t=new Ua(this.position,e,this.baseVersion);return t.shouldReceiveAttributes=this.shouldReceiveAttributes,t}getReversed(){const e=this.position.root.document.graveyard,t=new As(e,[0]);return new Ha(this.position,this.nodes.maxOffset,t,this.baseVersion+1)}_validate(){const e=this.position.parent;if(!e||e.maxOffset<this.position.offset)throw new hn.b("insert-operation-position-invalid: Insertion position is invalid.",this)}_execute(){const e=this.nodes;this.nodes=new _s([...e].map(e=>e._clone(!0))),Na(this.position,e)}toJSON(){const e=super.toJSON();return e.position=this.position.toJSON(),e.nodes=this.nodes.toJSON(),e}static get className(){return"InsertOperation"}static fromJSON(e,t){const n=[];for(const t of e.nodes)t.name?n.push(vs.fromJSON(t)):n.push(ws.fromJSON(t));const i=new Ua(As.fromJSON(e.position,t),n,e.baseVersion);return i.shouldReceiveAttributes=e.shouldReceiveAttributes,i}}class Wa extends Ma{constructor(e,t,n,i,o,r){super(r),this.name=e,this.oldRange=t?t.clone():null,this.newRange=n?n.clone():null,this.affectsData=o,this._markers=i}get type(){return"marker"}clone(){return new Wa(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new Wa(this.name,this.newRange,this.oldRange,this._markers,this.affectsData,this.baseVersion+1)}_execute(){const e=this.newRange?"_set":"_remove";this._markers[e](this.name,this.newRange,!0,this.affectsData)}toJSON(){const e=super.toJSON();return this.oldRange&&(e.oldRange=this.oldRange.toJSON()),this.newRange&&(e.newRange=this.newRange.toJSON()),delete e._markers,e}static get className(){return"MarkerOperation"}static fromJSON(e,t){return new Wa(e.name,e.oldRange?Ps.fromJSON(e.oldRange,t):null,e.newRange?Ps.fromJSON(e.newRange,t):null,t.model.markers,e.affectsData,e.baseVersion)}}class qa extends Ma{constructor(e,t,n,i){super(i),this.position=e,this.position.stickiness="toNext",this.oldName=t,this.newName=n}get type(){return"rename"}clone(){return new qa(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new qa(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const e=this.position.nodeAfter;if(!(e instanceof vs))throw new hn.b("rename-operation-wrong-position: Given position is invalid or node after it is not an instance of Element.",this);if(e.name!==this.oldName)throw new hn.b("rename-operation-wrong-name: Element to change has different name than operation's old name.",this)}_execute(){this.position.nodeAfter.name=this.newName}toJSON(){const e=super.toJSON();return e.position=this.position.toJSON(),e}static get className(){return"RenameOperation"}static fromJSON(e,t){return new qa(As.fromJSON(e.position,t),e.oldName,e.newName,e.baseVersion)}}class $a extends Ma{constructor(e,t,n,i,o){super(o),this.root=e,this.key=t,this.oldValue=n,this.newValue=i}get type(){return null===this.oldValue?"addRootAttribute":null===this.newValue?"removeRootAttribute":"changeRootAttribute"}clone(){return new $a(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new $a(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is("documentFragment"))throw new hn.b("rootattribute-operation-not-a-root: The element to change is not a root element.",this,{root:this.root,key:this.key});if(null!==this.oldValue&&this.root.getAttribute(this.key)!==this.oldValue)throw new hn.b("rootattribute-operation-wrong-old-value: Changed node has different attribute value than operation's old attribute value.",this,{root:this.root,key:this.key});if(null===this.oldValue&&null!==this.newValue&&this.root.hasAttribute(this.key))throw new hn.b("rootattribute-operation-attribute-exists: The attribute with given key already exists.",this,{root:this.root,key:this.key})}_execute(){null!==this.newValue?this.root._setAttribute(this.key,this.newValue):this.root._removeAttribute(this.key)}toJSON(){const e=super.toJSON();return e.root=this.root.toJSON(),e}static get className(){return"RootAttributeOperation"}static fromJSON(e,t){if(!t.getRoot(e.root))throw new hn.b("rootattribute-operation-fromjson-no-root: Cannot create RootAttributeOperation. Root with specified name does not exist.",this,{rootName:e.root});return new $a(t.getRoot(e.root),e.key,e.oldValue,e.newValue,e.baseVersion)}}class Ga extends Ma{constructor(e,t,n,i,o){super(o),this.sourcePosition=e.clone(),this.sourcePosition.stickiness="toPrevious",this.howMany=t,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNext",this.graveyardPosition=i.clone()}get type(){return"merge"}get deletionPosition(){return new As(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const e=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Ps(this.sourcePosition,e)}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const e=this.targetPosition._getTransformedByMergeOperation(this),t=this.sourcePosition.path.slice(0,-1),n=new As(this.sourcePosition.root,t)._getTransformedByMergeOperation(this),i=new Ya(e,this.howMany,this.graveyardPosition,this.baseVersion+1);return i.insertionPosition=n,i}_validate(){const e=this.sourcePosition.parent,t=this.targetPosition.parent;if(!e.parent)throw new hn.b("merge-operation-source-position-invalid: Merge source position is invalid.",this);if(!t.parent)throw new hn.b("merge-operation-target-position-invalid: Merge target position is invalid.",this);if(this.howMany!=e.maxOffset)throw new hn.b("merge-operation-how-many-invalid: Merge operation specifies wrong number of nodes to move.",this)}_execute(){const e=this.sourcePosition.parent;Oa(Ps._createIn(e),this.targetPosition),Oa(Ps._createOn(e),this.graveyardPosition)}toJSON(){const e=super.toJSON();return e.sourcePosition=e.sourcePosition.toJSON(),e.targetPosition=e.targetPosition.toJSON(),e.graveyardPosition=e.graveyardPosition.toJSON(),e}static get className(){return"MergeOperation"}static fromJSON(e,t){const n=As.fromJSON(e.sourcePosition,t),i=As.fromJSON(e.targetPosition,t),o=As.fromJSON(e.graveyardPosition,t);return new this(n,e.howMany,i,o,e.baseVersion)}}class Ya extends Ma{constructor(e,t,n,i){super(i),this.splitPosition=e.clone(),this.splitPosition.stickiness="toNext",this.howMany=t,this.insertionPosition=Ya.getInsertionPosition(e),this.insertionPosition.stickiness="toNone",this.graveyardPosition=n?n.clone():null,this.graveyardPosition&&(this.graveyardPosition.stickiness="toNext")}get type(){return"split"}get moveTargetPosition(){const e=this.insertionPosition.path.slice();return e.push(0),new As(this.insertionPosition.root,e)}get movedRange(){const e=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Ps(this.splitPosition,e)}clone(){const e=new this.constructor(this.splitPosition,this.howMany,this.graveyardPosition,this.baseVersion);return e.insertionPosition=this.insertionPosition,e}getReversed(){const e=this.splitPosition.root.document.graveyard,t=new As(e,[0]);return new Ga(this.moveTargetPosition,this.howMany,this.splitPosition,t,this.baseVersion+1)}_validate(){const e=this.splitPosition.parent,t=this.splitPosition.offset;if(!e||e.maxOffset<t)throw new hn.b("split-operation-position-invalid: Split position is invalid.",this);if(!e.parent)throw new hn.b("split-operation-split-in-root: Cannot split root element.",this);if(this.howMany!=e.maxOffset-this.splitPosition.offset)throw new hn.b("split-operation-how-many-invalid: Split operation specifies wrong number of nodes to move.",this);if(this.graveyardPosition&&!this.graveyardPosition.nodeAfter)throw new hn.b("split-operation-graveyard-position-invalid: Graveyard position invalid.",this)}_execute(){const e=this.splitPosition.parent;if(this.graveyardPosition)Oa(Ps._createFromPositionAndShift(this.graveyardPosition,1),this.insertionPosition);else{const t=e._clone();Na(this.insertionPosition,t)}Oa(new Ps(As._createAt(e,this.splitPosition.offset),As._createAt(e,e.maxOffset)),this.moveTargetPosition)}toJSON(){const e=super.toJSON();return e.splitPosition=this.splitPosition.toJSON(),e.insertionPosition=this.insertionPosition.toJSON(),this.graveyardPosition&&(e.graveyardPosition=this.graveyardPosition.toJSON()),e}static get className(){return"SplitOperation"}static getInsertionPosition(e){const t=e.path.slice(0,-1);return t[t.length-1]++,new As(e.root,t)}static fromJSON(e,t){const n=As.fromJSON(e.splitPosition,t),i=As.fromJSON(e.insertionPosition,t),o=e.graveyardPosition?As.fromJSON(e.graveyardPosition,t):null,r=new this(n,e.howMany,o,e.baseVersion);return r.insertionPosition=i,r}}class Ka extends vs{constructor(e,t,n="main"){super(t),this._document=e,this.rootName=n}get document(){return this._document}is(e,t){return t?t===this.name&&("rootElement"===e||"model:rootElement"===e||"element"===e||"model:element"===e):"rootElement"===e||"model:rootElement"===e||"element"===e||"model:element"===e||"node"===e||"model:node"===e}toJSON(){return this.rootName}}class Qa{constructor(e,t){this.model=e,this.batch=t}createText(e,t){return new ws(e,t)}createElement(e,t){return new vs(e,t)}createDocumentFragment(){return new Ia}cloneElement(e,t=!0){return e._clone(t)}insert(e,t,n=0){if(this._assertWriterUsedCorrectly(),e instanceof ws&&""==e.data)return;const i=As._createAt(t,n);if(e.parent){if(tc(e.root,i.root))return void this.move(Ps._createOn(e),i);if(e.root.document)throw new hn.b("model-writer-insert-forbidden-move: Cannot move a node from a document to a different tree. It is forbidden to move a node that was already in a document outside of it.",this);this.remove(e)}const o=i.root.document?i.root.document.version:null,r=new Ua(i,e,o);if(e instanceof ws&&(r.shouldReceiveAttributes=!0),this.batch.addOperation(r),this.model.applyOperation(r),e instanceof Ia)for(const[t,n]of e.markers){const e=As._createAt(n.root,0),o={range:new Ps(n.start._getCombined(e,i),n.end._getCombined(e,i)),usingOperation:!0,affectsData:!0};this.model.markers.has(t)?this.updateMarker(t,o):this.addMarker(t,o)}}insertText(e,t,n,i){t instanceof Ia||t instanceof vs||t instanceof As?this.insert(this.createText(e),t,n):this.insert(this.createText(e,t),n,i)}insertElement(e,t,n,i){t instanceof Ia||t instanceof vs||t instanceof As?this.insert(this.createElement(e),t,n):this.insert(this.createElement(e,t),n,i)}append(e,t){this.insert(e,t,"end")}appendText(e,t,n){t instanceof Ia||t instanceof vs?this.insert(this.createText(e),t,"end"):this.insert(this.createText(e,t),n,"end")}appendElement(e,t,n){t instanceof Ia||t instanceof vs?this.insert(this.createElement(e),t,"end"):this.insert(this.createElement(e,t),n,"end")}setAttribute(e,t,n){if(this._assertWriterUsedCorrectly(),n instanceof Ps){const i=n.getMinimalFlatRanges();for(const n of i)Ja(this,e,t,n)}else Za(this,e,t,n)}setAttributes(e,t){for(const[n,i]of Dn(e))this.setAttribute(n,i,t)}removeAttribute(e,t){if(this._assertWriterUsedCorrectly(),t instanceof Ps){const n=t.getMinimalFlatRanges();for(const t of n)Ja(this,e,null,t)}else Za(this,e,null,t)}clearAttributes(e){this._assertWriterUsedCorrectly();const t=e=>{for(const t of e.getAttributeKeys())this.removeAttribute(t,e)};if(e instanceof Ps)for(const n of e.getItems())t(n);else t(e)}move(e,t,n){if(this._assertWriterUsedCorrectly(),!(e instanceof Ps))throw new hn.b("writer-move-invalid-range: Invalid range to move.",this);if(!e.isFlat)throw new hn.b("writer-move-range-not-flat: Range to move is not flat.",this);const i=As._createAt(t,n);if(i.isEqual(e.start))return;if(this._addOperationForAffectedMarkers("move",e),!tc(e.root,i.root))throw new hn.b("writer-move-different-document: Range is going to be moved between different documents.",this);const o=e.root.document?e.root.document.version:null,r=new Ha(e.start,e.end.offset-e.start.offset,i,o);this.batch.addOperation(r),this.model.applyOperation(r)}remove(e){this._assertWriterUsedCorrectly();const t=(e instanceof Ps?e:Ps._createOn(e)).getMinimalFlatRanges().reverse();for(const e of t)this._addOperationForAffectedMarkers("move",e),ec(e.start,e.end.offset-e.start.offset,this.batch,this.model)}merge(e){this._assertWriterUsedCorrectly();const t=e.nodeBefore,n=e.nodeAfter;if(this._addOperationForAffectedMarkers("merge",e),!(t instanceof vs))throw new hn.b("writer-merge-no-element-before: Node before merge position must be an element.",this);if(!(n instanceof vs))throw new hn.b("writer-merge-no-element-after: Node after merge position must be an element.",this);e.root.document?this._merge(e):this._mergeDetached(e)}createPositionFromPath(e,t,n){return this.model.createPositionFromPath(e,t,n)}createPositionAt(e,t){return this.model.createPositionAt(e,t)}createPositionAfter(e){return this.model.createPositionAfter(e)}createPositionBefore(e){return this.model.createPositionBefore(e)}createRange(e,t){return this.model.createRange(e,t)}createRangeIn(e){return this.model.createRangeIn(e)}createRangeOn(e){return this.model.createRangeOn(e)}createSelection(e,t,n){return this.model.createSelection(e,t,n)}_mergeDetached(e){const t=e.nodeBefore,n=e.nodeAfter;this.move(Ps._createIn(n),As._createAt(t,"end")),this.remove(n)}_merge(e){const t=As._createAt(e.nodeBefore,"end"),n=As._createAt(e.nodeAfter,0),i=e.root.document.graveyard,o=new As(i,[0]),r=e.root.document.version,s=new Ga(n,e.nodeAfter.maxOffset,t,o,r);this.batch.addOperation(s),this.model.applyOperation(s)}rename(e,t){if(this._assertWriterUsedCorrectly(),!(e instanceof vs))throw new hn.b("writer-rename-not-element-instance: Trying to rename an object which is not an instance of Element.",this);const n=e.root.document?e.root.document.version:null,i=new qa(As._createBefore(e),e.name,t,n);this.batch.addOperation(i),this.model.applyOperation(i)}split(e,t){this._assertWriterUsedCorrectly();let n,i,o=e.parent;if(!o.parent)throw new hn.b("writer-split-element-no-parent: Element with no parent can not be split.",this);if(t||(t=o.parent),!e.parent.getAncestors({includeSelf:!0}).includes(t))throw new hn.b("writer-split-invalid-limit-element: Limit element is not a position ancestor.",this);do{const t=o.root.document?o.root.document.version:null,r=o.maxOffset-e.offset,s=new Ya(e,r,null,t);this.batch.addOperation(s),this.model.applyOperation(s),n||i||(n=o,i=e.parent.nextSibling),o=(e=this.createPositionAfter(e.parent)).parent}while(o!==t);return{position:e,range:new Ps(As._createAt(n,"end"),As._createAt(i,0))}}wrap(e,t){if(this._assertWriterUsedCorrectly(),!e.isFlat)throw new hn.b("writer-wrap-range-not-flat: Range to wrap is not flat.",this);const n=t instanceof vs?t:new vs(t);if(n.childCount>0)throw new hn.b("writer-wrap-element-not-empty: Element to wrap with is not empty.",this);if(null!==n.parent)throw new hn.b("writer-wrap-element-attached: Element to wrap with is already attached to tree model.",this);this.insert(n,e.start);const i=new Ps(e.start.getShiftedBy(1),e.end.getShiftedBy(1));this.move(i,As._createAt(n,0))}unwrap(e){if(this._assertWriterUsedCorrectly(),null===e.parent)throw new hn.b("writer-unwrap-element-no-parent: Trying to unwrap an element which has no parent.",this);this.move(Ps._createIn(e),this.createPositionAfter(e)),this.remove(e)}addMarker(e,t){if(this._assertWriterUsedCorrectly(),!t||"boolean"!=typeof t.usingOperation)throw new hn.b("writer-addMarker-no-usingOperation: The options.usingOperation parameter is required when adding a new marker.",this);const n=t.usingOperation,i=t.range,o=void 0!==t.affectsData&&t.affectsData;if(this.model.markers.has(e))throw new hn.b("writer-addMarker-marker-exists: Marker with provided name already exists.",this);if(!i)throw new hn.b("writer-addMarker-no-range: Range parameter is required when adding a new marker.",this);return n?(Xa(this,e,null,i,o),this.model.markers.get(e)):this.model.markers._set(e,i,n,o)}updateMarker(e,t){this._assertWriterUsedCorrectly();const n="string"==typeof e?e:e.name,i=this.model.markers.get(n);if(!i)throw new hn.b("writer-updateMarker-marker-not-exists: Marker with provided name does not exists.",this);if(!t)return void this.model.markers._refresh(i);const o="boolean"==typeof t.usingOperation,r="boolean"==typeof t.affectsData,s=r?t.affectsData:i.affectsData;if(!o&&!t.range&&!r)throw new hn.b("writer-updateMarker-wrong-options: One of the options is required - provide range, usingOperations or affectsData.",this);const a=i.getRange(),c=t.range?t.range:a;o&&t.usingOperation!==i.managedUsingOperations?t.usingOperation?Xa(this,n,null,c,s):(Xa(this,n,a,null,s),this.model.markers._set(n,c,void 0,s)):i.managedUsingOperations?Xa(this,n,a,c,s):this.model.markers._set(n,c,void 0,s)}removeMarker(e){this._assertWriterUsedCorrectly();const t="string"==typeof e?e:e.name;if(!this.model.markers.has(t))throw new hn.b("writer-removeMarker-no-marker: Trying to remove marker which does not exist.",this);const n=this.model.markers.get(t);if(!n.managedUsingOperations)return void this.model.markers._remove(t);Xa(this,t,n.getRange(),null,n.affectsData)}setSelection(e,t,n){this._assertWriterUsedCorrectly(),this.model.document.selection._setTo(e,t,n)}setSelectionFocus(e,t){this._assertWriterUsedCorrectly(),this.model.document.selection._setFocus(e,t)}setSelectionAttribute(e,t){if(this._assertWriterUsedCorrectly(),"string"==typeof e)this._setSelectionAttribute(e,t);else for(const[t,n]of Dn(e))this._setSelectionAttribute(t,n)}removeSelectionAttribute(e){if(this._assertWriterUsedCorrectly(),"string"==typeof e)this._removeSelectionAttribute(e);else for(const t of e)this._removeSelectionAttribute(t)}overrideSelectionGravity(){return this.model.document.selection._overrideGravity()}restoreSelectionGravity(e){this.model.document.selection._restoreGravity(e)}_setSelectionAttribute(e,t){const n=this.model.document.selection;if(n.isCollapsed&&n.anchor.parent.isEmpty){const i=Hs._getStoreAttributeKey(e);this.setAttribute(i,t,n.anchor.parent)}n._setAttribute(e,t)}_removeSelectionAttribute(e){const t=this.model.document.selection;if(t.isCollapsed&&t.anchor.parent.isEmpty){const n=Hs._getStoreAttributeKey(e);this.removeAttribute(n,t.anchor.parent)}t._removeAttribute(e)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this)throw new hn.b("writer-incorrect-use: Trying to use a writer outside the change() block.",this)}_addOperationForAffectedMarkers(e,t){for(const n of this.model.markers){if(!n.managedUsingOperations)continue;const i=n.getRange();let o=!1;if("move"===e)o=t.containsPosition(i.start)||t.start.isEqual(i.start)||t.containsPosition(i.end)||t.end.isEqual(i.end);else{const e=t.nodeBefore,n=t.nodeAfter,r=i.start.parent==e&&i.start.isAtEnd,s=i.end.parent==n&&0==i.end.offset,a=i.end.nodeAfter==n,c=i.start.nodeAfter==n;o=r||s||a||c}o&&this.updateMarker(n.name,{range:i})}}}function Ja(e,t,n,i){const o=e.model,r=o.document;let s,a,c,l=i.start;for(const e of i.getWalker({shallow:!0}))c=e.item.getAttribute(t),s&&a!=c&&(a!=n&&d(),l=s),s=e.nextPosition,a=c;function d(){const i=new Ps(l,s),c=i.root.document?r.version:null,d=new Ba(i,t,a,n,c);e.batch.addOperation(d),o.applyOperation(d)}s instanceof As&&s!=l&&a!=n&&d()}function Za(e,t,n,i){const o=e.model,r=o.document,s=i.getAttribute(t);let a,c;if(s!=n){if(i.root===i){const e=i.document?r.version:null;c=new $a(i,t,s,n,e)}else{a=new Ps(As._createBefore(i),e.createPositionAfter(i));const o=a.root.document?r.version:null;c=new Ba(a,t,s,n,o)}e.batch.addOperation(c),o.applyOperation(c)}}function Xa(e,t,n,i,o){const r=e.model,s=r.document,a=new Wa(t,n,i,r.markers,o,s.version);e.batch.addOperation(a),r.applyOperation(a)}function ec(e,t,n,i){let o;if(e.root.document){const n=i.document,r=new As(n.graveyard,[0]);o=new Ha(e,t,r,n.version)}else o=new Fa(e,t);n.addOperation(o),i.applyOperation(o)}function tc(e,t){return e===t||e instanceof Ka&&t instanceof Ka}class nc{constructor(e){this._markerCollection=e,this._changesInElement=new Map,this._elementSnapshots=new Map,this._changedMarkers=new Map,this._changeCount=0,this._cachedChanges=null,this._cachedChangesWithGraveyard=null}get isEmpty(){return 0==this._changesInElement.size&&0==this._changedMarkers.size}refreshItem(e){if(this._isInInsertedElement(e.parent))return;this._markRemove(e.parent,e.startOffset,e.offsetSize),this._markInsert(e.parent,e.startOffset,e.offsetSize);const t=Ps._createOn(e);for(const e of this._markerCollection.getMarkersIntersectingRange(t)){const t=e.getRange();this.bufferMarkerChange(e.name,t,t,e.affectsData)}this._cachedChanges=null}bufferOperation(e){switch(e.type){case"insert":if(this._isInInsertedElement(e.position.parent))return;this._markInsert(e.position.parent,e.position.offset,e.nodes.maxOffset);break;case"addAttribute":case"removeAttribute":case"changeAttribute":for(const t of e.range.getItems({shallow:!0}))this._isInInsertedElement(t.parent)||this._markAttribute(t);break;case"remove":case"move":case"reinsert":{if(e.sourcePosition.isEqual(e.targetPosition)||e.sourcePosition.getShiftedBy(e.howMany).isEqual(e.targetPosition))return;const t=this._isInInsertedElement(e.sourcePosition.parent),n=this._isInInsertedElement(e.targetPosition.parent);t||this._markRemove(e.sourcePosition.parent,e.sourcePosition.offset,e.howMany),n||this._markInsert(e.targetPosition.parent,e.getMovedRangeStart().offset,e.howMany);break}case"rename":{if(this._isInInsertedElement(e.position.parent))return;this._markRemove(e.position.parent,e.position.offset,1),this._markInsert(e.position.parent,e.position.offset,1);const t=Ps._createFromPositionAndShift(e.position,1);for(const e of this._markerCollection.getMarkersIntersectingRange(t)){const t=e.getRange();this.bufferMarkerChange(e.name,t,t,e.affectsData)}break}case"split":{const t=e.splitPosition.parent;this._isInInsertedElement(t)||this._markRemove(t,e.splitPosition.offset,e.howMany),this._isInInsertedElement(e.insertionPosition.parent)||this._markInsert(e.insertionPosition.parent,e.insertionPosition.offset,1),e.graveyardPosition&&this._markRemove(e.graveyardPosition.parent,e.graveyardPosition.offset,1);break}case"merge":{const t=e.sourcePosition.parent;this._isInInsertedElement(t.parent)||this._markRemove(t.parent,t.startOffset,1);const n=e.graveyardPosition.parent;this._markInsert(n,e.graveyardPosition.offset,1);const i=e.targetPosition.parent;this._isInInsertedElement(i)||this._markInsert(i,e.targetPosition.offset,t.maxOffset);break}}this._cachedChanges=null}bufferMarkerChange(e,t,n,i){const o=this._changedMarkers.get(e);o?(o.newRange=n,o.affectsData=i,null==o.oldRange&&null==o.newRange&&this._changedMarkers.delete(e)):this._changedMarkers.set(e,{oldRange:t,newRange:n,affectsData:i})}getMarkersToRemove(){const e=[];for(const[t,n]of this._changedMarkers)null!=n.oldRange&&e.push({name:t,range:n.oldRange});return e}getMarkersToAdd(){const e=[];for(const[t,n]of this._changedMarkers)null!=n.newRange&&e.push({name:t,range:n.newRange});return e}getChangedMarkers(){return Array.from(this._changedMarkers).map(e=>({name:e[0],data:{oldRange:e[1].oldRange,newRange:e[1].newRange}}))}hasDataChanges(){for(const[,e]of this._changedMarkers)if(e.affectsData)return!0;return this._changesInElement.size>0}getChanges(e={includeChangesInGraveyard:!1}){if(this._cachedChanges)return e.includeChangesInGraveyard?this._cachedChangesWithGraveyard.slice():this._cachedChanges.slice();const t=[];for(const e of this._changesInElement.keys()){const n=this._changesInElement.get(e).sort((e,t)=>e.offset===t.offset?e.type!=t.type?"remove"==e.type?-1:1:0:e.offset<t.offset?-1:1),i=this._elementSnapshots.get(e),o=ic(e.getChildren()),r=oc(i.length,n);let s=0,a=0;for(const n of r)if("i"===n)t.push(this._getInsertDiff(e,s,o[s].name)),s++;else if("r"===n)t.push(this._getRemoveDiff(e,s,i[a].name)),a++;else if("a"===n){const n=o[s].attributes,r=i[a].attributes;let c;if("$text"==o[s].name)c=new Ps(As._createAt(e,s),As._createAt(e,s+1));else{const t=e.offsetToIndex(s);c=new Ps(As._createAt(e,s),As._createAt(e.getChild(t),0))}t.push(...this._getAttributesDiff(c,r,n)),s++,a++}else s++,a++}t.sort((e,t)=>e.position.root!=t.position.root?e.position.root.rootName<t.position.root.rootName?-1:1:e.position.isEqual(t.position)?e.changeCount-t.changeCount:e.position.isBefore(t.position)?-1:1);for(let e=1;e<t.length;e++){const n=t[e-1],i=t[e],o="remove"==n.type&&"remove"==i.type&&"$text"==n.name&&"$text"==i.name&&n.position.isEqual(i.position),r="insert"==n.type&&"insert"==i.type&&"$text"==n.name&&"$text"==i.name&&n.position.parent==i.position.parent&&n.position.offset+n.length==i.position.offset,s="attribute"==n.type&&"attribute"==i.type&&n.position.parent==i.position.parent&&n.range.isFlat&&i.range.isFlat&&n.position.offset+n.length==i.position.offset&&n.attributeKey==i.attributeKey&&n.attributeOldValue==i.attributeOldValue&&n.attributeNewValue==i.attributeNewValue;(o||r||s)&&(t[e-1].length++,s&&(t[e-1].range.end=t[e-1].range.end.getShiftedBy(1)),t.splice(e,1),e--)}for(const e of t)delete e.changeCount,"attribute"==e.type&&(delete e.position,delete e.length);return this._changeCount=0,this._cachedChangesWithGraveyard=t.slice(),this._cachedChanges=t.slice().filter(rc),e.includeChangesInGraveyard?this._cachedChangesWithGraveyard:this._cachedChanges}reset(){this._changesInElement.clear(),this._elementSnapshots.clear(),this._changedMarkers.clear(),this._cachedChanges=null}_markInsert(e,t,n){const i={type:"insert",offset:t,howMany:n,count:this._changeCount++};this._markChange(e,i)}_markRemove(e,t,n){const i={type:"remove",offset:t,howMany:n,count:this._changeCount++};this._markChange(e,i),this._removeAllNestedChanges(e,t,n)}_markAttribute(e){const t={type:"attribute",offset:e.startOffset,howMany:e.offsetSize,count:this._changeCount++};this._markChange(e.parent,t)}_markChange(e,t){this._makeSnapshot(e);const n=this._getChangesForElement(e);this._handleChange(t,n),n.push(t);for(let e=0;e<n.length;e++)n[e].howMany<1&&(n.splice(e,1),e--)}_getChangesForElement(e){let t;return this._changesInElement.has(e)?t=this._changesInElement.get(e):(t=[],this._changesInElement.set(e,t)),t}_makeSnapshot(e){this._elementSnapshots.has(e)||this._elementSnapshots.set(e,ic(e.getChildren()))}_handleChange(e,t){e.nodesToHandle=e.howMany;for(const n of t){const i=e.offset+e.howMany,o=n.offset+n.howMany;if("insert"==e.type&&("insert"==n.type&&(e.offset<=n.offset?n.offset+=e.howMany:e.offset<o&&(n.howMany+=e.nodesToHandle,e.nodesToHandle=0)),"remove"==n.type&&e.offset<n.offset&&(n.offset+=e.howMany),"attribute"==n.type))if(e.offset<=n.offset)n.offset+=e.howMany;else if(e.offset<o){const o=n.howMany;n.howMany=e.offset-n.offset,t.unshift({type:"attribute",offset:i,howMany:o-n.howMany,count:this._changeCount++})}if("remove"==e.type){if("insert"==n.type)if(i<=n.offset)n.offset-=e.howMany;else if(i<=o)if(e.offset<n.offset){const t=i-n.offset;n.offset=e.offset,n.howMany-=t,e.nodesToHandle-=t}else n.howMany-=e.nodesToHandle,e.nodesToHandle=0;else if(e.offset<=n.offset)e.nodesToHandle-=n.howMany,n.howMany=0;else if(e.offset<o){const t=o-e.offset;n.howMany-=t,e.nodesToHandle-=t}if("remove"==n.type&&(i<=n.offset?n.offset-=e.howMany:e.offset<n.offset&&(e.nodesToHandle+=n.howMany,n.howMany=0)),"attribute"==n.type)if(i<=n.offset)n.offset-=e.howMany;else if(e.offset<n.offset){const t=i-n.offset;n.offset=e.offset,n.howMany-=t}else if(e.offset<o)if(i<=o){const i=n.howMany;n.howMany=e.offset-n.offset;const o=i-n.howMany-e.nodesToHandle;t.unshift({type:"attribute",offset:e.offset,howMany:o,count:this._changeCount++})}else n.howMany-=o-e.offset}if("attribute"==e.type){if("insert"==n.type)if(e.offset<n.offset&&i>n.offset){if(i>o){const e={type:"attribute",offset:o,howMany:i-o,count:this._changeCount++};this._handleChange(e,t),t.push(e)}e.nodesToHandle=n.offset-e.offset,e.howMany=e.nodesToHandle}else e.offset>=n.offset&&e.offset<o&&(i>o?(e.nodesToHandle=i-o,e.offset=o):e.nodesToHandle=0);if("remove"==n.type&&e.offset<n.offset&&i>n.offset){const o={type:"attribute",offset:n.offset,howMany:i-n.offset,count:this._changeCount++};this._handleChange(o,t),t.push(o),e.nodesToHandle=n.offset-e.offset,e.howMany=e.nodesToHandle}"attribute"==n.type&&(e.offset>=n.offset&&i<=o?(e.nodesToHandle=0,e.howMany=0,e.offset=0):e.offset<=n.offset&&i>=o&&(n.howMany=0))}}e.howMany=e.nodesToHandle,delete e.nodesToHandle}_getInsertDiff(e,t,n){return{type:"insert",position:As._createAt(e,t),name:n,length:1,changeCount:this._changeCount++}}_getRemoveDiff(e,t,n){return{type:"remove",position:As._createAt(e,t),name:n,length:1,changeCount:this._changeCount++}}_getAttributesDiff(e,t,n){const i=[];n=new Map(n);for(const[o,r]of t){const t=n.has(o)?n.get(o):null;t!==r&&i.push({type:"attribute",position:e.start,range:e.clone(),length:1,attributeKey:o,attributeOldValue:r,attributeNewValue:t,changeCount:this._changeCount++}),n.delete(o)}for(const[t,o]of n)i.push({type:"attribute",position:e.start,range:e.clone(),length:1,attributeKey:t,attributeOldValue:null,attributeNewValue:o,changeCount:this._changeCount++});return i}_isInInsertedElement(e){const t=e.parent;if(!t)return!1;const n=this._changesInElement.get(t),i=e.startOffset;if(n)for(const e of n)if("insert"==e.type&&i>=e.offset&&i<e.offset+e.howMany)return!0;return this._isInInsertedElement(t)}_removeAllNestedChanges(e,t,n){const i=new Ps(As._createAt(e,t),As._createAt(e,t+n));for(const e of i.getItems({shallow:!0}))e.is("element")&&(this._elementSnapshots.delete(e),this._changesInElement.delete(e),this._removeAllNestedChanges(e,0,e.maxOffset))}}function ic(e){const t=[];for(const n of e)if(n.is("$text"))for(let e=0;e<n.data.length;e++)t.push({name:"$text",attributes:new Map(n.getAttributes())});else t.push({name:n.name,attributes:new Map(n.getAttributes())});return t}function oc(e,t){const n=[];let i=0,o=0;for(const e of t){if(e.offset>i){for(let t=0;t<e.offset-i;t++)n.push("e");o+=e.offset-i}if("insert"==e.type){for(let t=0;t<e.howMany;t++)n.push("i");i=e.offset+e.howMany}else if("remove"==e.type){for(let t=0;t<e.howMany;t++)n.push("r");i=e.offset,o+=e.howMany}else n.push(..."a".repeat(e.howMany).split("")),i=e.offset+e.howMany,o+=e.howMany}if(o<e)for(let t=0;t<e-o-i;t++)n.push("e");return n}function rc(e){const t=e.position&&"$graveyard"==e.position.root.rootName,n=e.range&&"$graveyard"==e.range.root.rootName;return!t&&!n}class sc{constructor(){this._operations=[],this._undoPairs=new Map,this._undoneOperations=new Set}addOperation(e){this._operations.includes(e)||this._operations.push(e)}getOperations(e=0,t=Number.POSITIVE_INFINITY){return e<0?[]:this._operations.slice(e,t)}getOperation(e){return this._operations[e]}setOperationAsUndone(e,t){this._undoPairs.set(t,e),this._undoneOperations.add(e)}isUndoingOperation(e){return this._undoPairs.has(e)}isUndoneOperation(e){return this._undoneOperations.has(e)}getUndoneOperation(e){return this._undoPairs.get(e)}}function ac(e,t){return!!(n=e.charAt(t-1))&&1==n.length&&/[\ud800-\udbff]/.test(n)&&function(e){return!!e&&1==e.length&&/[\udc00-\udfff]/.test(e)}(e.charAt(t));var n}function cc(e,t){return!!(n=e.charAt(t))&&1==n.length&&/[\u0300-\u036f\u1ab0-\u1aff\u1dc0-\u1dff\u20d0-\u20ff\ufe20-\ufe2f]/.test(n);var n}class lc{constructor(e){this.model=e,this.version=0,this.history=new sc(this),this.selection=new Hs(this),this.roots=new An({idProperty:"rootName"}),this.differ=new nc(e.markers),this._postFixers=new Set,this._hasSelectionChangedFromTheLastChangeBlock=!1,this.createRoot("$root","$graveyard"),this.listenTo(e,"applyOperation",(e,t)=>{const n=t[0];if(n.isDocumentOperation&&n.baseVersion!==this.version)throw new hn.b("model-document-applyOperation-wrong-version: Only operations with matching versions can be applied.",this,{operation:n})},{priority:"highest"}),this.listenTo(e,"applyOperation",(e,t)=>{const n=t[0];n.isDocumentOperation&&this.differ.bufferOperation(n)},{priority:"high"}),this.listenTo(e,"applyOperation",(e,t)=>{const n=t[0];n.isDocumentOperation&&(this.version++,this.history.addOperation(n))},{priority:"low"}),this.listenTo(this.selection,"change",()=>{this._hasSelectionChangedFromTheLastChangeBlock=!0}),this.listenTo(e.markers,"update",(e,t,n,i)=>{this.differ.bufferMarkerChange(t.name,n,i,t.affectsData),null===n&&t.on("change",(e,n)=>{this.differ.bufferMarkerChange(t.name,n,t.getRange(),t.affectsData)})})}get graveyard(){return this.getRoot("$graveyard")}createRoot(e="$root",t="main"){if(this.roots.get(t))throw new hn.b("model-document-createRoot-name-exists: Root with specified name already exists.",this,{name:t});const n=new Ka(this,e,t);return this.roots.add(n),n}destroy(){this.selection.destroy(),this.stopListening()}getRoot(e="main"){return this.roots.get(e)}getRootNames(){return Array.from(this.roots,e=>e.rootName).filter(e=>"$graveyard"!=e)}registerPostFixer(e){this._postFixers.add(e)}toJSON(){const e=Nn(this);return e.selection="[engine.model.DocumentSelection]",e.model="[engine.model.Model]",e}_handleChangeBlock(e){this._hasDocumentChangedFromTheLastChangeBlock()&&(this._callPostFixers(e),this.selection.refresh(),this.differ.hasDataChanges()?this.fire("change:data",e.batch):this.fire("change",e.batch),this.selection.refresh(),this.differ.reset()),this._hasSelectionChangedFromTheLastChangeBlock=!1}_hasDocumentChangedFromTheLastChangeBlock(){return!this.differ.isEmpty||this._hasSelectionChangedFromTheLastChangeBlock}_getDefaultRoot(){for(const e of this.roots)if(e!==this.graveyard)return e;return this.graveyard}_getDefaultRange(){const e=this._getDefaultRoot(),t=this.model,n=t.schema,i=t.createPositionFromPath(e,[0]);return n.getNearestSelectionRange(i)||t.createRange(i)}_validateSelectionRange(e){return dc(e.start)&&dc(e.end)}_callPostFixers(e){let t=!1;do{for(const n of this._postFixers)if(this.selection.refresh(),t=n(e),t)break}while(t)}}function dc(e){const t=e.textNode;if(t){const n=t.data,i=e.offset-t.startOffset;return!ac(n,i)&&!cc(n,i)}return!0}xn(lc,fn);class uc{constructor(){this._markers=new Map}[Symbol.iterator](){return this._markers.values()}has(e){return this._markers.has(e)}get(e){return this._markers.get(e)||null}_set(e,t,n=!1,i=!1){const o=e instanceof hc?e.name:e;if(o.includes(","))throw new hn.b('markercollection-incorrect-marker-name: Marker name cannot contain "," character.',this);const r=this._markers.get(o);if(r){const e=r.getRange();let s=!1;return e.isEqual(t)||(r._attachLiveRange(js.fromRange(t)),s=!0),n!=r.managedUsingOperations&&(r._managedUsingOperations=n,s=!0),"boolean"==typeof i&&i!=r.affectsData&&(r._affectsData=i,s=!0),s&&this.fire("update:"+o,r,e,t),r}const s=js.fromRange(t),a=new hc(o,s,n,i);return this._markers.set(o,a),this.fire("update:"+o,a,null,t),a}_remove(e){const t=e instanceof hc?e.name:e,n=this._markers.get(t);return!!n&&(this._markers.delete(t),this.fire("update:"+t,n,n.getRange(),null),this._destroyMarker(n),!0)}_refresh(e){const t=e instanceof hc?e.name:e,n=this._markers.get(t);if(!n)throw new hn.b("markercollection-refresh-marker-not-exists: Marker with provided name does not exists.",this);const i=n.getRange();this.fire("update:"+t,n,i,i,n.managedUsingOperations,n.affectsData)}*getMarkersAtPosition(e){for(const t of this)t.getRange().containsPosition(e)&&(yield t)}*getMarkersIntersectingRange(e){for(const t of this)null!==t.getRange().getIntersection(e)&&(yield t)}destroy(){for(const e of this._markers.values())this._destroyMarker(e);this._markers=null,this.stopListening()}*getMarkersGroup(e){for(const t of this._markers.values())t.name.startsWith(e+":")&&(yield t)}_destroyMarker(e){e.stopListening(),e._detachLiveRange()}}xn(uc,fn);class hc{constructor(e,t,n,i){this.name=e,this._liveRange=this._attachLiveRange(t),this._managedUsingOperations=n,this._affectsData=i}get managedUsingOperations(){if(!this._liveRange)throw new hn.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new hn.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._affectsData}getStart(){if(!this._liveRange)throw new hn.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new hn.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new hn.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.toRange()}is(e){return"marker"===e||"model:marker"===e}_attachLiveRange(e){return this._liveRange&&this._detachLiveRange(),e.delegate("change:range").to(this),e.delegate("change:content").to(this),this._liveRange=e,e}_detachLiveRange(){this._liveRange.stopDelegating("change:range",this),this._liveRange.stopDelegating("change:content",this),this._liveRange.detach(),this._liveRange=null}}xn(hc,fn);class mc extends Ma{get type(){return"noop"}clone(){return new mc(this.baseVersion)}getReversed(){return new mc(this.baseVersion+1)}_execute(){}static get className(){return"NoOperation"}}const gc={};gc[Ba.className]=Ba,gc[Ua.className]=Ua,gc[Wa.className]=Wa,gc[Ha.className]=Ha,gc[mc.className]=mc,gc[Ma.className]=Ma,gc[qa.className]=qa,gc[$a.className]=$a,gc[Ya.className]=Ya,gc[Ga.className]=Ga;class fc extends As{constructor(e,t,n="toNone"){if(super(e,t,n),!this.root.is("rootElement"))throw new hn.b("model-liveposition-root-not-rootelement: LivePosition's root has to be an instance of RootElement.",e);pc.call(this)}detach(){this.stopListening()}is(e){return"livePosition"===e||"model:livePosition"===e||"position"==e||"model:position"===e}toPosition(){return new As(this.root,this.path.slice(),this.stickiness)}static fromPosition(e,t){return new this(e.root,e.path.slice(),t||e.stickiness)}}function pc(){this.listenTo(this.root.document.model,"applyOperation",(e,t)=>{const n=t[0];n.isDocumentOperation&&bc.call(this,n)},{priority:"low"})}function bc(e){const t=this.getTransformedByOperation(e);if(!this.isEqual(t)){const e=this.toPosition();this.path=t.path,this.root=t.root,this.fire("change",e)}}xn(fc,fn);class wc{constructor(e,t,n){this.model=e,this.writer=t,this.position=n,this.canMergeWith=new Set([this.position.parent]),this.schema=e.schema,this._filterAttributesOf=[],this._affectedStart=null,this._affectedEnd=null}handleNodes(e,t){e=Array.from(e);for(let n=0;n<e.length;n++){const i=e[n];this._handleNode(i,{isFirst:0===n&&t.isFirst,isLast:n===e.length-1&&t.isLast})}this.schema.removeDisallowedAttributes(this._filterAttributesOf,this.writer),this._filterAttributesOf=[]}getSelectionRange(){return this.nodeToSelect?Ps._createOn(this.nodeToSelect):this.model.schema.getNearestSelectionRange(this.position)}getAffectedRange(){return this._affectedStart?new Ps(this._affectedStart,this._affectedEnd):null}destroy(){this._affectedStart&&this._affectedStart.detach(),this._affectedEnd&&this._affectedEnd.detach()}_handleNode(e,t){if(this.schema.isObject(e))return void this._handleObject(e,t);this._checkAndSplitToAllowedPosition(e,t)?(this._insert(e),this._mergeSiblingsOf(e,t)):this._handleDisallowedNode(e,t)}_handleObject(e,t){this._checkAndSplitToAllowedPosition(e)?this._insert(e):this._tryAutoparagraphing(e,t)}_handleDisallowedNode(e,t){e.is("element")?this.handleNodes(e.getChildren(),t):this._tryAutoparagraphing(e,t)}_insert(e){if(!this.schema.checkChild(this.position,e))throw new hn.b("insertcontent-wrong-position: Given node cannot be inserted on the given position.",this,{node:e,position:this.position});const t=fc.fromPosition(this.position,"toNext");this._setAffectedBoundaries(this.position),this.writer.insert(e,this.position),this.position=t.toPosition(),t.detach(),this.schema.isObject(e)&&!this.schema.checkChild(this.position,"$text")?this.nodeToSelect=e:this.nodeToSelect=null,this._filterAttributesOf.push(e)}_setAffectedBoundaries(e){this._affectedStart||(this._affectedStart=fc.fromPosition(e,"toPrevious")),this._affectedEnd&&!this._affectedEnd.isBefore(e)||(this._affectedEnd&&this._affectedEnd.detach(),this._affectedEnd=fc.fromPosition(e,"toNext"))}_mergeSiblingsOf(e,t){if(!(e instanceof vs))return;const n=this._canMergeLeft(e,t),i=this._canMergeRight(e,t),o=fc._createBefore(e);o.stickiness="toNext";const r=fc._createAfter(e);if(r.stickiness="toNext",n){const e=fc.fromPosition(this.position);e.stickiness="toNext",this._affectedStart.isEqual(o)&&(this._affectedStart.detach(),this._affectedStart=fc._createAt(o.nodeBefore,"end","toPrevious")),this.writer.merge(o),o.isEqual(this._affectedEnd)&&t.isLast&&(this._affectedEnd.detach(),this._affectedEnd=fc._createAt(o.nodeBefore,"end","toNext")),this.position=e.toPosition(),e.detach()}if(i){if(!this.position.isEqual(r))throw new hn.b("insertcontent-invalid-insertion-position",this);this.position=As._createAt(r.nodeBefore,"end");const e=fc.fromPosition(this.position,"toPrevious");this._affectedEnd.isEqual(r)&&(this._affectedEnd.detach(),this._affectedEnd=fc._createAt(r.nodeBefore,"end","toNext")),this.writer.merge(r),r.getShiftedBy(-1).isEqual(this._affectedStart)&&t.isFirst&&(this._affectedStart.detach(),this._affectedStart=fc._createAt(r.nodeBefore,0,"toPrevious")),this.position=e.toPosition(),e.detach()}(n||i)&&this._filterAttributesOf.push(this.position.parent),o.detach(),r.detach()}_canMergeLeft(e,t){const n=e.previousSibling;return t.isFirst&&n instanceof vs&&this.canMergeWith.has(n)&&this.model.schema.checkMerge(n,e)}_canMergeRight(e,t){const n=e.nextSibling;return t.isLast&&n instanceof vs&&this.canMergeWith.has(n)&&this.model.schema.checkMerge(e,n)}_tryAutoparagraphing(e,t){const n=this.writer.createElement("paragraph");this._getAllowedIn(n,this.position.parent)&&this.schema.checkChild(n,e)&&(n._appendChild(e),this._handleNode(n,t))}_checkAndSplitToAllowedPosition(e){const t=this._getAllowedIn(e,this.position.parent);if(!t)return!1;for(;t!=this.position.parent;){if(this.schema.isLimit(this.position.parent))return!1;if(this.position.isAtStart){const e=this.position.parent;this.position=this.writer.createPositionBefore(e),e.isEmpty&&e.parent===t&&this.writer.remove(e)}else if(this.position.isAtEnd)this.position=this.writer.createPositionAfter(this.position.parent);else{const e=this.writer.createPositionAfter(this.position.parent);this._setAffectedBoundaries(this.position),this.writer.split(this.position),this.position=e,this.canMergeWith.add(this.position.nodeAfter)}}return!0}_getAllowedIn(e,t){return this.schema.checkChild(t,e)?t:t.parent?this._getAllowedIn(e,t.parent):null}}function kc(e,t,n={}){if(t.isCollapsed)return;const i=t.getFirstRange();if("$graveyard"==i.root.rootName)return;const o=e.schema;e.change(e=>{if(!n.doNotResetEntireContent&&function(e,t){const n=e.getLimitElement(t);if(!t.containsEntireContent(n))return!1;const i=t.getFirstRange();if(i.start.parent==i.end.parent)return!1;return e.checkChild(n,"paragraph")}(o,t))return void function(e,t){const n=e.model.schema.getLimitElement(t);e.remove(e.createRangeIn(n)),vc(e,e.createPositionAt(n,0),t)}(e,t);const[r,s]=function(e){const t=e.root.document.model,n=e.start;let i=e.end;if(t.hasContent(e,{ignoreMarkers:!0})){const n=function(e){const t=e.parent,n=t.root.document.model.schema,i=t.getAncestors({parentFirst:!0,includeSelf:!0});for(const e of i){if(n.isLimit(e))return null;if(n.isBlock(e))return e}}(i);if(n&&i.isTouching(t.createPositionAt(n,0))){const n=t.createSelection(e);t.modifySelection(n,{direction:"backward"}),i=n.getLastPosition()}}return[fc.fromPosition(n,"toPrevious"),fc.fromPosition(i,"toNext")]}(i);i.start.isTouching(i.end)||e.remove(i),n.leaveUnmerged||(!function(e,t,n){const i=e.model;if(!_c(e.model.schema,t,n))return;const[o,r]=function(e,t){const n=e.getAncestors(),i=t.getAncestors();let o=0;for(;n[o]&&n[o]==i[o];)o++;return[n[o],i[o]]}(t,n);!i.hasContent(o,{ignoreMarkers:!0})&&i.hasContent(r,{ignoreMarkers:!0})?function e(t,n,i,o){const r=n.parent,s=i.parent;if(r==o||s==o)return;n=t.createPositionAfter(r),(i=t.createPositionBefore(s)).isEqual(n)||t.insert(r,i);for(;n.parent.isEmpty;){const e=n.parent;n=t.createPositionBefore(e),t.remove(e)}if(i=t.createPositionBefore(s),function(e,t){const n=t.nodeBefore,i=t.nodeAfter;n.name!=i.name&&e.rename(n,i.name);e.clearAttributes(n),e.setAttributes(Object.fromEntries(i.getAttributes()),n),e.merge(t)}(t,i),!_c(t.model.schema,n,i))return;e(t,n,i,o)}(e,t,n,o.parent):function e(t,n,i,o){const r=n.parent,s=i.parent;if(r==o||s==o)return;n=t.createPositionAfter(r),(i=t.createPositionBefore(s)).isEqual(n)||t.insert(s,n);t.merge(n);for(;i.parent.isEmpty;){const e=i.parent;i=t.createPositionBefore(e),t.remove(e)}if(!_c(t.model.schema,n,i))return;e(t,n,i,o)}(e,t,n,o.parent)}(e,r,s),o.removeDisallowedAttributes(r.parent.getChildren(),e)),yc(e,t,r),!n.doNotAutoparagraph&&function(e,t){const n=e.checkChild(t,"$text"),i=e.checkChild(t,"paragraph");return!n&&i}(o,r)&&vc(e,r,t),r.detach(),s.detach()})}function _c(e,t,n){const i=t.parent,o=n.parent;return i!=o&&(!e.isLimit(i)&&!e.isLimit(o)&&function(e,t,n){const i=new Ps(e,t);for(const e of i.getWalker())if(n.isLimit(e.item))return!1;return!0}(t,n,e))}function vc(e,t,n){const i=e.createElement("paragraph");e.insert(i,t),yc(e,n,e.createPositionAt(i,0))}function yc(e,t,n){t instanceof Hs?e.setSelection(n):t.setTo(n)}function xc(e,t){if("text"==t.type)return"word"===e.unit?function(e,t){let n=e.position.textNode;if(n){let i=e.position.offset-n.startOffset;for(;!Cc(n.data,i,t)&&!Tc(n,i,t);){e.next();const o=t?e.position.nodeAfter:e.position.nodeBefore;if(o&&o.is("$text")){const i=o.data.charAt(t?0:o.data.length-1);' ,.?!:;"-()'.includes(i)||(e.next(),n=e.position.textNode)}i=e.position.offset-n.startOffset}}return e.position}(e.walker,e.isForward):function(e,t){const n=e.position.textNode;if(n){const i=n.data;let o=e.position.offset-n.startOffset;for(;ac(i,o)||"character"==t&&cc(i,o);)e.next(),o=e.position.offset-n.startOffset}return e.position}(e.walker,e.unit,e.isForward);if(t.type==(e.isForward?"elementStart":"elementEnd")){if(e.schema.isObject(t.item))return As._createAt(t.item,e.isForward?"after":"before");if(e.schema.checkChild(t.nextPosition,"$text"))return t.nextPosition}else{if(e.schema.isLimit(t.item))return void e.walker.skip(()=>!0);if(e.schema.checkChild(t.nextPosition,"$text"))return t.nextPosition}}function Ac(e,t){const n=e.root,i=As._createAt(n,t?"end":0);return t?new Ps(e,i):new Ps(i,e)}function Cc(e,t,n){const i=t+(n?0:-1);return' ,.?!:;"-()'.includes(e.charAt(i))}function Tc(e,t,n){return t===(n?e.endOffset:0)}function Sc(e,t){const n=[];Array.from(e.getItems({direction:"backward"})).map(e=>t.createRangeOn(e)).filter(t=>(t.start.isAfter(e.start)||t.start.isEqual(e.start))&&(t.end.isBefore(e.end)||t.end.isEqual(e.end))).forEach(e=>{n.push(e.start.parent),t.remove(e)}),n.forEach(e=>{let n=e;for(;n.parent&&n.isEmpty;){const e=t.createRangeOn(n);n=n.parent,t.remove(e)}})}function Pc(e){e.document.registerPostFixer(t=>function(e,t){const n=t.document.selection,i=t.schema,o=[];let r=!1;for(const e of n.getRanges()){const t=Ec(e,i);t&&!t.isEqual(e)?(o.push(t),r=!0):o.push(e)}r&&e.setSelection(function(e){const t=[];t.push(e.shift());for(const n of e){const e=t.pop();if(n.isIntersecting(e)){const i=e.start.isAfter(n.start)?n.start:e.start,o=e.end.isAfter(n.end)?e.end:n.end,r=new Ps(i,o);t.push(r)}else t.push(e),t.push(n)}return t}(o),{backward:n.isBackward})}(t,e))}function Ec(e,t){return e.isCollapsed?function(e,t){const n=e.start,i=t.getNearestSelectionRange(n);if(!i)return null;if(!i.isCollapsed)return i;const o=i.start;if(n.isEqual(o))return null;return new Ps(o)}(e,t):function(e,t){const n=e.start,i=e.end,o=t.checkChild(n,"$text"),r=t.checkChild(i,"$text"),s=t.getLimitElement(n),a=t.getLimitElement(i);if(s===a){if(o&&r)return null;if(function(e,t,n){const i=e.nodeAfter&&!n.isLimit(e.nodeAfter)||n.checkChild(e,"$text"),o=t.nodeBefore&&!n.isLimit(t.nodeBefore)||n.checkChild(t,"$text");return i||o}(n,i,t)){const e=n.nodeAfter&&t.isObject(n.nodeAfter)?null:t.getNearestSelectionRange(n,"forward"),o=i.nodeBefore&&t.isObject(i.nodeBefore)?null:t.getNearestSelectionRange(i,"backward"),r=e?e.start:n,s=o?o.start:i;return new Ps(r,s)}}const c=s&&!s.is("rootElement"),l=a&&!a.is("rootElement");if(c||l){const e=n.nodeAfter&&i.nodeBefore&&n.nodeAfter.parent===i.nodeBefore.parent,o=c&&(!e||!Ic(n.nodeAfter,t)),r=l&&(!e||!Ic(i.nodeBefore,t));let d=n,u=i;return o&&(d=As._createBefore(Mc(s,t))),r&&(u=As._createAfter(Mc(a,t))),new Ps(d,u)}return null}(e,t)}function Mc(e,t){let n=e,i=n;for(;t.isLimit(i)&&i.parent;)n=i,i=i.parent;return n}function Ic(e,t){return e&&t.isObject(e)}class Nc{constructor(){this.markers=new uc,this.document=new lc(this),this.schema=new ua,this._pendingChanges=[],this._currentWriter=null,["insertContent","deleteContent","modifySelection","getSelectedContent","applyOperation"].forEach(e=>this.decorate(e)),this.on("applyOperation",(e,t)=>{t[0]._validate()},{priority:"highest"}),this.schema.register("$root",{isLimit:!0}),this.schema.register("$block",{allowIn:"$root",isBlock:!0}),this.schema.register("$text",{allowIn:"$block",isInline:!0}),this.schema.register("$clipboardHolder",{allowContentOf:"$root",isLimit:!0}),this.schema.extend("$text",{allowIn:"$clipboardHolder"}),this.schema.register("$marker"),this.schema.addChildCheck((e,t)=>{if("$marker"===t.name)return!0}),Pc(this)}change(e){try{return 0===this._pendingChanges.length?(this._pendingChanges.push({batch:new Ea,callback:e}),this._runPendingChanges()[0]):e(this._currentWriter)}catch(e){hn.b.rethrowUnexpectedError(e,this)}}enqueueChange(e,t){try{"string"==typeof e?e=new Ea(e):"function"==typeof e&&(t=e,e=new Ea),this._pendingChanges.push({batch:e,callback:t}),1==this._pendingChanges.length&&this._runPendingChanges()}catch(e){hn.b.rethrowUnexpectedError(e,this)}}applyOperation(e){e._execute()}insertContent(e,t,n){return function(e,t,n,i){return e.change(o=>{let r;r=n?n instanceof Os||n instanceof Hs?n:o.createSelection(n,i):e.document.selection,r.isCollapsed||e.deleteContent(r,{doNotAutoparagraph:!0});const s=new wc(e,o,r.anchor);let a;a=t.is("documentFragment")?t.getChildren():[t],s.handleNodes(a,{isFirst:!0,isLast:!0});const c=s.getSelectionRange();c&&(r instanceof Hs?o.setSelection(c):r.setTo(c));const l=s.getAffectedRange()||e.createRange(r.anchor);return s.destroy(),l})}(this,e,t,n)}deleteContent(e,t){kc(this,e,t)}modifySelection(e,t){!function(e,t,n={}){const i=e.schema,o="backward"!=n.direction,r=n.unit?n.unit:"character",s=t.focus,a=new ys({boundaries:Ac(s,o),singleCharacters:!0,direction:o?"forward":"backward"}),c={walker:a,schema:i,isForward:o,unit:r};let l;for(;l=a.next();){if(l.done)return;const n=xc(c,l.value);if(n)return void(t instanceof Hs?e.change(e=>{e.setSelectionFocus(n)}):t.setFocus(n))}}(this,e,t)}getSelectedContent(e){return function(e,t){return e.change(e=>{const n=e.createDocumentFragment(),i=t.getFirstRange();if(!i||i.isCollapsed)return n;const o=i.start.root,r=i.start.getCommonPath(i.end),s=o.getNodeByPath(r);let a;a=i.start.parent==i.end.parent?i:e.createRange(e.createPositionAt(s,i.start.path[r.length]),e.createPositionAt(s,i.end.path[r.length]+1));const c=a.end.offset-a.start.offset;for(const t of a.getItems({shallow:!0}))t.is("$textProxy")?e.appendText(t.data,t.getAttributes(),n):e.append(e.cloneElement(t,!0),n);if(a!=i){const t=i._getTransformedByMove(a.start,e.createPositionAt(n,0),c)[0],o=e.createRange(e.createPositionAt(n,0),t.start);Sc(e.createRange(t.end,e.createPositionAt(n,"end")),e),Sc(o,e)}return n})}(this,e)}hasContent(e,t={}){const n=e instanceof vs?Ps._createIn(e):e;if(n.isCollapsed)return!1;const{ignoreWhitespaces:i=!1,ignoreMarkers:o=!1}=t;if(!o)for(const e of this.markers.getMarkersIntersectingRange(n))if(e.affectsData)return!0;for(const e of n.getItems())if(e.is("$textProxy")){if(!i)return!0;if(-1!==e.data.search(/\S/))return!0}else if(this.schema.isObject(e))return!0;return!1}createPositionFromPath(e,t,n){return new As(e,t,n)}createPositionAt(e,t){return As._createAt(e,t)}createPositionAfter(e){return As._createAfter(e)}createPositionBefore(e){return As._createBefore(e)}createRange(e,t){return new Ps(e,t)}createRangeIn(e){return Ps._createIn(e)}createRangeOn(e){return Ps._createOn(e)}createSelection(e,t,n){return new Os(e,t,n)}createBatch(e){return new Ea(e)}createOperationFromJSON(e){return class{static fromJSON(e,t){return gc[e.__className].fromJSON(e,t)}}.fromJSON(e,this.document)}destroy(){this.document.destroy(),this.stopListening()}_runPendingChanges(){const e=[];for(this.fire("_beforeChanges");this._pendingChanges.length;){const t=this._pendingChanges[0].batch;this._currentWriter=new Qa(this,t);const n=this._pendingChanges[0].callback(this._currentWriter);e.push(n),this.document._handleChangeBlock(this._currentWriter),this._pendingChanges.shift(),this._currentWriter=null}return this.fire("_afterChanges"),e}}xn(Nc,Hi);class Rc{constructor(){this._listener=Object.create(mr)}listenTo(e){this._listener.listenTo(e,"keydown",(e,t)=>{this._listener.fire("_keydown:"+po(t),t)})}set(e,t,n={}){const i=bo(e),o=n.priority;this._listener.listenTo(this._listener,"_keydown:"+i,(e,n)=>{t(n,()=>{n.preventDefault(),n.stopPropagation(),e.stop()}),e.return=!0},{priority:o})}press(e){return!!this._listener.fire("_keydown:"+po(e),e)}destroy(){this._listener.stopListening()}}class Oc extends Rc{constructor(e){super(),this.editor=e}set(e,t,n={}){if("string"==typeof t){const e=t;t=(t,n)=>{this.editor.execute(e),n()}}super.set(e,t,n)}}class zc{constructor(e={}){this._context=e.context||new Mn({language:e.language}),this._context._addEditor(this,!e.context);const t=Array.from(this.constructor.builtinPlugins||[]);this.config=new on(e,this.constructor.defaultConfig),this.config.define("plugins",t),this.config.define(this._context._getEditorConfig()),this.plugins=new Cn(this,t,this._context.plugins),this.locale=this._context.locale,this.t=this.locale.t,this.commands=new ca,this.set("state","initializing"),this.once("ready",()=>this.state="ready",{priority:"high"}),this.once("destroy",()=>this.state="destroyed",{priority:"high"}),this.set("isReadOnly",!1),this.model=new Nc;const n=new Mi;this.data=new Ca(this.model,n),this.editing=new aa(this.model,n),this.editing.view.document.bind("isReadOnly").to(this),this.conversion=new Ta([this.editing.downcastDispatcher,this.data.downcastDispatcher],this.data.upcastDispatcher),this.conversion.addAlias("dataDowncast",this.data.downcastDispatcher),this.conversion.addAlias("editingDowncast",this.editing.downcastDispatcher),this.keystrokes=new Oc(this),this.keystrokes.listenTo(this.editing.view.document)}initPlugins(){const e=this.config,t=e.get("plugins"),n=e.get("removePlugins")||[],i=e.get("extraPlugins")||[];return this.plugins.init(t.concat(i),n)}destroy(){let e=Promise.resolve();return"initializing"==this.state&&(e=new Promise(e=>this.once("ready",e))),e.then(()=>{this.fire("destroy"),this.stopListening(),this.commands.destroy()}).then(()=>this.plugins.destroy()).then(()=>{this.model.destroy(),this.data.destroy(),this.editing.destroy(),this.keystrokes.destroy()}).then(()=>this._context._removeEditor(this))}execute(...e){try{return this.commands.execute(...e)}catch(e){hn.b.rethrowUnexpectedError(e,this)}}}xn(zc,Hi);var Dc={setData(e){this.data.set(e)},getData(e){return this.data.get(e)}};var Lc={updateSourceElement(){if(!this.sourceElement)throw new hn.b("editor-missing-sourceelement: Cannot update the source element of a detached editor.",this);var e,t;e=this.sourceElement,t=this.data.get(),e instanceof HTMLTextAreaElement&&(e.value=t),e.innerHTML=t}};class Vc{getHtml(e){const t=document.implementation.createHTMLDocument("").createElement("div");return t.appendChild(e),t.innerHTML}}class jc{constructor(e){this._domParser=new DOMParser,this._domConverter=new cr(e,{blockFillerMode:"nbsp"}),this._htmlWriter=new Vc}toData(e){const t=this._domConverter.viewToDom(e,document);return this._htmlWriter.getHtml(t)}toView(e){const t=this._toDom(e);return this._domConverter.domToView(t)}_toDom(e){const t=this._domParser.parseFromString(e,"text/html"),n=t.createDocumentFragment(),i=t.body.childNodes;for(;i.length>0;)n.appendChild(i[0]);return n}}class Bc{constructor(e){this.editor=e,this._components=new Map}*names(){for(const e of this._components.values())yield e.originalName}add(e,t){if(this.has(e))throw new hn.b("componentfactory-item-exists: The item already exists in the component factory.",this,{name:e});this._components.set(Fc(e),{callback:t,originalName:e})}create(e){if(!this.has(e))throw new hn.b("componentfactory-item-missing: The required component is not registered in the factory.",this,{name:e});return this._components.get(Fc(e)).callback(this.editor.locale)}has(e){return this._components.has(Fc(e))}}function Fc(e){return String(e).toLowerCase()}class Hc{constructor(){this.set("isFocused",!1),this.set("focusedElement",null),this._elements=new Set,this._nextEventLoopTimeout=null}add(e){if(this._elements.has(e))throw new hn.b("focusTracker-add-element-already-exist",this);this.listenTo(e,"focus",()=>this._focus(e),{useCapture:!0}),this.listenTo(e,"blur",()=>this._blur(),{useCapture:!0}),this._elements.add(e)}remove(e){e===this.focusedElement&&this._blur(e),this._elements.has(e)&&(this.stopListening(e),this._elements.delete(e))}destroy(){this.stopListening()}_focus(e){clearTimeout(this._nextEventLoopTimeout),this.focusedElement=e,this.isFocused=!0}_blur(){clearTimeout(this._nextEventLoopTimeout),this._nextEventLoopTimeout=setTimeout(()=>{this.focusedElement=null,this.isFocused=!1},0)}}xn(Hc,mr),xn(Hc,Hi);class Uc{constructor(e){this.editor=e,this.componentFactory=new Bc(e),this.focusTracker=new Hc,this._editableElementsMap=new Map,this.listenTo(e.editing.view.document,"layoutChanged",()=>this.update())}get element(){return null}update(){this.fire("update")}destroy(){this.stopListening(),this.focusTracker.destroy();for(const e of this._editableElementsMap.values())e.ckeditorInstance=null;this._editableElementsMap=new Map}setEditableElement(e,t){this._editableElementsMap.set(e,t),t.ckeditorInstance||(t.ckeditorInstance=this.editor)}getEditableElement(e="main"){return this._editableElementsMap.get(e)}getEditableElementsNames(){return this._editableElementsMap.keys()}get _editableElements(){return console.warn("editor-ui-deprecated-editable-elements: The EditorUI#_editableElements property has been deprecated and will be removed in the near future.",{editorUI:this}),this._editableElementsMap}}xn(Uc,fn);n(14);const Wc=new WeakMap;function qc(e){const{view:t,element:n,text:i,isDirectHost:o=!0}=e,r=t.document;Wc.has(r)||(Wc.set(r,new Map),r.registerPostFixer(e=>Kc(r,e))),Wc.get(r).set(n,{text:i,isDirectHost:o}),t.change(e=>Kc(r,e))}function $c(e,t){return!t.hasClass("ck-placeholder")&&(e.addClass("ck-placeholder",t),!0)}function Gc(e,t){return!!t.hasClass("ck-placeholder")&&(e.removeClass("ck-placeholder",t),!0)}function Yc(e){if(!e.isAttached())return!1;const t=!Array.from(e.getChildren()).some(e=>!e.is("uiElement")),n=e.document;if(!n.isFocused&&t)return!0;const i=n.selection.anchor;return!(!t||!i||i.parent===e)}function Kc(e,t){const n=Wc.get(e);let i=!1;for(const[e,o]of n)Qc(t,e,o)&&(i=!0);return i}function Qc(e,t,n){const{text:i,isDirectHost:o}=n,r=o?t:function(e){if(1===e.childCount){const t=e.getChild(0);if(t.is("element")&&!t.is("uiElement"))return t}return null}(t);let s=!1;return!!r&&(n.hostElement=r,r.getAttribute("data-placeholder")!==i&&(e.setAttribute("data-placeholder",i,r),s=!0),Yc(r)?$c(e,r)&&(s=!0):Gc(e,r)&&(s=!0),s)}class Jc{constructor(){this._replacedElements=[]}replace(e,t){this._replacedElements.push({element:e,newElement:t}),e.style.display="none",t&&e.parentNode.insertBefore(t,e.nextSibling)}restore(){this._replacedElements.forEach(({element:e,newElement:t})=>{e.style.display="",t&&t.remove()}),this._replacedElements=[]}}class Zc extends Uc{constructor(e,t){var n;super(e),this.view=t,this._toolbarConfig=(n=e.config.get("toolbar"),Array.isArray(n)?{items:n}:n?Object.assign({items:[]},n):{items:[]}),this._elementReplacer=new Jc}get element(){return this.view.element}init(e){const t=this.editor,n=this.view,i=t.editing.view,o=n.editable,r=i.document.getRoot();o.name=r.rootName,n.render();const s=o.element;this.setEditableElement(o.name,s),this.focusTracker.add(s),n.editable.bind("isFocused").to(this.focusTracker),i.attachDomRoot(s),e&&this._elementReplacer.replace(e,this.element),this._initPlaceholder(),this._initToolbar(),this.fire("ready")}destroy(){const e=this.view,t=this.editor.editing.view;this._elementReplacer.restore(),t.detachDomRoot(e.editable.name),e.destroy(),super.destroy()}_initToolbar(){const e=this.editor,t=this.view,n=e.editing.view;t.stickyPanel.bind("isActive").to(this.focusTracker,"isFocused"),t.stickyPanel.limiterElement=t.element,this._toolbarConfig.viewportTopOffset&&(t.stickyPanel.viewportTopOffset=this._toolbarConfig.viewportTopOffset),t.toolbar.fillFromConfig(this._toolbarConfig.items,this.componentFactory),function({origin:e,originKeystrokeHandler:t,originFocusTracker:n,toolbar:i,beforeFocus:o,afterBlur:r}){n.add(i.element),t.set("Alt+F10",(e,t)=>{n.isFocused&&!i.focusTracker.isFocused&&(o&&o(),i.focus(),t())}),i.keystrokes.set("Esc",(t,n)=>{i.focusTracker.isFocused&&(e.focus(),r&&r(),n())})}({origin:n,originFocusTracker:this.focusTracker,originKeystrokeHandler:e.keystrokes,toolbar:t.toolbar})}_initPlaceholder(){const e=this.editor,t=e.editing.view,n=t.document.getRoot(),i=e.sourceElement,o=e.config.get("placeholder")||i&&"textarea"===i.tagName.toLowerCase()&&i.getAttribute("placeholder");o&&qc({view:t,element:n,text:o,isDirectHost:!1})}}class Xc extends An{constructor(e=[]){super(e,{idProperty:"viewUid"}),this.on("add",(e,t,n)=>{this._renderViewIntoCollectionParent(t,n)}),this.on("remove",(e,t)=>{t.element&&this._parentElement&&t.element.remove()}),this._parentElement=null}destroy(){this.map(e=>e.destroy())}setParent(e){this._parentElement=e;for(const e of this)this._renderViewIntoCollectionParent(e)}delegate(...e){if(!e.length||!e.every(e=>"string"==typeof e))throw new hn.b("ui-viewcollection-delegate-wrong-events: All event names must be strings.",this);return{to:t=>{for(const n of this)for(const i of e)n.delegate(i).to(t);this.on("add",(n,i)=>{for(const n of e)i.delegate(n).to(t)}),this.on("remove",(n,i)=>{for(const n of e)i.stopDelegating(n,t)})}}}_renderViewIntoCollectionParent(e,t){e.isRendered||e.render(),e.element&&this._parentElement&&this._parentElement.insertBefore(e.element,this._parentElement.children[t])}}class el{constructor(e){Object.assign(this,dl(ll(e))),this._isRendered=!1,this._revertData=null}render(){const e=this._renderNode({intoFragment:!0});return this._isRendered=!0,e}apply(e){return this._revertData={children:[],bindings:[],attributes:{}},this._renderNode({node:e,isApplying:!0,revertData:this._revertData}),e}revert(e){if(!this._revertData)throw new hn.b("ui-template-revert-not-applied: Attempting to revert a template which has not been applied yet.",[this,e]);this._revertTemplateFromNode(e,this._revertData)}*getViews(){yield*function*e(t){if(t.children)for(const n of t.children)fl(n)?yield n:pl(n)&&(yield*e(n))}(this)}static bind(e,t){return{to:(n,i)=>new nl({eventNameOrFunction:n,attribute:n,observable:e,emitter:t,callback:i}),if:(n,i,o)=>new il({observable:e,emitter:t,attribute:n,valueIfTrue:i,callback:o})}}static extend(e,t){if(e._isRendered)throw new hn.b("template-extend-render: Attempting to extend a template which has already been rendered.",[this,e]);!function e(t,n){n.attributes&&(t.attributes||(t.attributes={}),ml(t.attributes,n.attributes));n.eventListeners&&(t.eventListeners||(t.eventListeners={}),ml(t.eventListeners,n.eventListeners));n.text&&t.text.push(...n.text);if(n.children&&n.children.length){if(t.children.length!=n.children.length)throw new hn.b("ui-template-extend-children-mismatch: The number of children in extended definition does not match.",t);let i=0;for(const o of n.children)e(t.children[i++],o)}}(e,dl(ll(t)))}_renderNode(e){let t;if(t=e.node?this.tag&&this.text:this.tag?this.text:!this.text,t)throw new hn.b('ui-template-wrong-syntax: Node definition must have either "tag" or "text" when rendering a new Node.',this);return this.text?this._renderText(e):this._renderElement(e)}_renderElement(e){let t=e.node;return t||(t=e.node=document.createElementNS(this.ns||"http://www.w3.org/1999/xhtml",this.tag)),this._renderAttributes(e),this._renderElementChildren(e),this._setUpListeners(e),t}_renderText(e){let t=e.node;return t?e.revertData.text=t.textContent:t=e.node=document.createTextNode(""),ol(this.text)?this._bindToObservable({schema:this.text,updater:sl(t),data:e}):t.textContent=this.text.join(""),t}_renderAttributes(e){let t,n,i,o;if(!this.attributes)return;const r=e.node,s=e.revertData;for(t in this.attributes)if(i=r.getAttribute(t),n=this.attributes[t],s&&(s.attributes[t]=i),o=L(n[0])&&n[0].ns?n[0].ns:null,ol(n)){const a=o?n[0].value:n;s&&wl(t)&&a.unshift(i),this._bindToObservable({schema:a,updater:al(r,t,o),data:e})}else"style"==t&&"string"!=typeof n[0]?this._renderStyleAttribute(n[0],e):(s&&i&&wl(t)&&n.unshift(i),n=n.map(e=>e&&e.value||e).reduce((e,t)=>e.concat(t),[]).reduce(hl,""),gl(n)||r.setAttributeNS(o,t,n))}_renderStyleAttribute(e,t){const n=t.node;for(const i in e){const o=e[i];ol(o)?this._bindToObservable({schema:[o],updater:cl(n,i),data:t}):n.style[i]=o}}_renderElementChildren(e){const t=e.node,n=e.intoFragment?document.createDocumentFragment():t,i=e.isApplying;let o=0;for(const r of this.children)if(bl(r)){if(!i){r.setParent(t);for(const e of r)n.appendChild(e.element)}}else if(fl(r))i||(r.isRendered||r.render(),n.appendChild(r.element));else if(Xo(r))n.appendChild(r);else if(i){const t={children:[],bindings:[],attributes:{}};e.revertData.children.push(t),r._renderNode({node:n.childNodes[o++],isApplying:!0,revertData:t})}else n.appendChild(r.render());e.intoFragment&&t.appendChild(n)}_setUpListeners(e){if(this.eventListeners)for(const t in this.eventListeners){const n=this.eventListeners[t].map(n=>{const[i,o]=t.split("@");return n.activateDomEventListener(i,o,e)});e.revertData&&e.revertData.bindings.push(n)}}_bindToObservable({schema:e,updater:t,data:n}){const i=n.revertData;rl(e,t,n);const o=e.filter(e=>!gl(e)).filter(e=>e.observable).map(i=>i.activateAttributeListener(e,t,n));i&&i.bindings.push(o)}_revertTemplateFromNode(e,t){for(const e of t.bindings)for(const t of e)t();if(t.text)e.textContent=t.text;else{for(const n in t.attributes){const i=t.attributes[n];null===i?e.removeAttribute(n):e.setAttribute(n,i)}for(let n=0;n<t.children.length;++n)this._revertTemplateFromNode(e.childNodes[n],t.children[n])}}}xn(el,fn);class tl{constructor(e){Object.assign(this,e)}getValue(e){const t=this.observable[this.attribute];return this.callback?this.callback(t,e):t}activateAttributeListener(e,t,n){const i=()=>rl(e,t,n);return this.emitter.listenTo(this.observable,"change:"+this.attribute,i),()=>{this.emitter.stopListening(this.observable,"change:"+this.attribute,i)}}}class nl extends tl{activateDomEventListener(e,t,n){const i=(e,n)=>{t&&!n.target.matches(t)||("function"==typeof this.eventNameOrFunction?this.eventNameOrFunction(n):this.observable.fire(this.eventNameOrFunction,n))};return this.emitter.listenTo(n.node,e,i),()=>{this.emitter.stopListening(n.node,e,i)}}}class il extends tl{getValue(e){return!gl(super.getValue(e))&&(this.valueIfTrue||!0)}}function ol(e){return!!e&&(e.value&&(e=e.value),Array.isArray(e)?e.some(ol):e instanceof tl)}function rl(e,t,{node:n}){let i=function(e,t){return e.map(e=>e instanceof tl?e.getValue(t):e)}(e,n);i=1==e.length&&e[0]instanceof il?i[0]:i.reduce(hl,""),gl(i)?t.remove():t.set(i)}function sl(e){return{set(t){e.textContent=t},remove(){e.textContent=""}}}function al(e,t,n){return{set(i){e.setAttributeNS(n,t,i)},remove(){e.removeAttributeNS(n,t)}}}function cl(e,t){return{set(n){e.style[t]=n},remove(){e.style[t]=null}}}function ll(e){return tn(e,e=>{if(e&&(e instanceof tl||pl(e)||fl(e)||bl(e)))return e})}function dl(e){if("string"==typeof e?e=function(e){return{text:[e]}}(e):e.text&&function(e){Array.isArray(e.text)||(e.text=[e.text])}(e),e.on&&(e.eventListeners=function(e){for(const t in e)ul(e,t);return e}(e.on),delete e.on),!e.text){e.attributes&&function(e){for(const t in e)e[t].value&&(e[t].value=[].concat(e[t].value)),ul(e,t)}(e.attributes);const t=[];if(e.children)if(bl(e.children))t.push(e.children);else for(const n of e.children)pl(n)||fl(n)||Xo(n)?t.push(n):t.push(new el(n));e.children=t}return e}function ul(e,t){Array.isArray(e[t])||(e[t]=[e[t]])}function hl(e,t){return gl(t)?e:gl(e)?t:`${e} ${t}`}function ml(e,t){for(const n in t)e[n]?e[n].push(...t[n]):e[n]=t[n]}function gl(e){return!e&&0!==e}function fl(e){return e instanceof kl}function pl(e){return e instanceof el}function bl(e){return e instanceof Xc}function wl(e){return"class"==e||"style"==e}n(16);class kl{constructor(e){this.element=null,this.isRendered=!1,this.locale=e,this.t=e&&e.t,this._viewCollections=new An,this._unboundChildren=this.createCollection(),this._viewCollections.on("add",(t,n)=>{n.locale=e}),this.decorate("render")}get bindTemplate(){return this._bindTemplate?this._bindTemplate:this._bindTemplate=el.bind(this,this)}createCollection(e){const t=new Xc(e);return this._viewCollections.add(t),t}registerChild(e){yn(e)||(e=[e]);for(const t of e)this._unboundChildren.add(t)}deregisterChild(e){yn(e)||(e=[e]);for(const t of e)this._unboundChildren.remove(t)}setTemplate(e){this.template=new el(e)}extendTemplate(e){el.extend(this.template,e)}render(){if(this.isRendered)throw new hn.b("ui-view-render-already-rendered: This View has already been rendered.",this);this.template&&(this.element=this.template.render(),this.registerChild(this.template.getViews())),this.isRendered=!0}destroy(){this.stopListening(),this._viewCollections.map(e=>e.destroy()),this.template&&this.template._revertData&&this.template.revert(this.element)}}xn(kl,mr),xn(kl,Hi);var _l=function(e){return"string"==typeof e||!ze(e)&&p(e)&&"[object String]"==m(e)};class vl extends Xc{constructor(e,t=[]){super(t),this.locale=e}attachToDom(){this._bodyCollectionContainer=new el({tag:"div",attributes:{class:["ck","ck-reset_all","ck-body","ck-rounded-corners"],dir:this.locale.uiLanguageDirection},children:this}).render();let e=document.querySelector(".ck-body-wrapper");e||(e=function(e,t,n={},i=[]){const o=n&&n.xmlns,r=o?e.createElementNS(o,t):e.createElement(t);for(const e in n)r.setAttribute(e,n[e]);!_l(i)&&yn(i)||(i=[i]);for(let t of i)_l(t)&&(t=e.createTextNode(t)),r.appendChild(t);return r}(document,"div",{class:"ck-body-wrapper"}),document.body.appendChild(e)),e.appendChild(this._bodyCollectionContainer)}detachFromDom(){super.destroy(),this._bodyCollectionContainer&&this._bodyCollectionContainer.remove();const e=document.querySelector(".ck-body-wrapper");e&&0==e.childElementCount&&e.remove()}}n(18);class yl extends kl{constructor(e){super(e),this.body=new vl(e)}render(){super.render(),this.body.attachToDom()}destroy(){return this.body.detachFromDom(),super.destroy()}}n(20);class xl extends kl{constructor(e){super(e),this.set("text"),this.set("for"),this.id="ck-editor__label_"+dn();const t=this.bindTemplate;this.setTemplate({tag:"label",attributes:{class:["ck","ck-label"],id:this.id,for:t.to("for")},children:[{text:t.to("text")}]})}}class Al extends yl{constructor(e){super(e),this.top=this.createCollection(),this.main=this.createCollection(),this._voiceLabelView=this._createVoiceLabel(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-reset","ck-editor","ck-rounded-corners"],role:"application",dir:e.uiLanguageDirection,lang:e.uiLanguage,"aria-labelledby":this._voiceLabelView.id},children:[this._voiceLabelView,{tag:"div",attributes:{class:["ck","ck-editor__top","ck-reset_all"],role:"presentation"},children:this.top},{tag:"div",attributes:{class:["ck","ck-editor__main"],role:"presentation"},children:this.main}]})}_createVoiceLabel(){const e=this.t,t=new xl;return t.text=e("Rich Text Editor"),t.extendTemplate({attributes:{class:"ck-voice-label"}}),t}}class Cl extends kl{constructor(e,t,n){super(e),this.setTemplate({tag:"div",attributes:{class:["ck","ck-content","ck-editor__editable","ck-rounded-corners"],lang:e.contentLanguage,dir:e.contentLanguageDirection}}),this.name=null,this.set("isFocused",!1),this._editableElement=n,this._hasExternalElement=!!this._editableElement,this._editingView=t}render(){super.render(),this._hasExternalElement?this.template.apply(this.element=this._editableElement):this._editableElement=this.element,this.on("change:isFocused",()=>this._updateIsFocusedClasses()),this._updateIsFocusedClasses()}destroy(){this._hasExternalElement&&this.template.revert(this._editableElement),super.destroy()}_updateIsFocusedClasses(){const e=this._editingView;function t(t){e.change(n=>{const i=e.document.getRoot(t.name);n.addClass(t.isFocused?"ck-focused":"ck-blurred",i),n.removeClass(t.isFocused?"ck-blurred":"ck-focused",i)})}e.isRenderingInProgress?function n(i){e.once("change:isRenderingInProgress",(e,o,r)=>{r?n(i):t(i)})}(this):t(this)}}class Tl extends Cl{constructor(e,t,n){super(e,t,n),this.extendTemplate({attributes:{role:"textbox",class:"ck-editor__editable_inline"}})}render(){super.render();const e=this._editingView,t=this.t;e.change(n=>{const i=e.document.getRoot(this.name);n.setAttribute("aria-label",t("Rich Text Editor, %0",[this.name]),i)})}}function Sl(e){return t=>t+e}n(22);const Pl=Sl("px");class El extends kl{constructor(e){super(e);const t=this.bindTemplate;this.set("isActive",!1),this.set("isSticky",!1),this.set("limiterElement",null),this.set("limiterBottomOffset",50),this.set("viewportTopOffset",0),this.set("_marginLeft",null),this.set("_isStickyToTheLimiter",!1),this.set("_hasViewportTopOffset",!1),this.content=this.createCollection(),this._contentPanelPlaceholder=new el({tag:"div",attributes:{class:["ck","ck-sticky-panel__placeholder"],style:{display:t.to("isSticky",e=>e?"block":"none"),height:t.to("isSticky",e=>e?Pl(this._panelRect.height):null)}}}).render(),this._contentPanel=new el({tag:"div",attributes:{class:["ck","ck-sticky-panel__content",t.if("isSticky","ck-sticky-panel__content_sticky"),t.if("_isStickyToTheLimiter","ck-sticky-panel__content_sticky_bottom-limit")],style:{width:t.to("isSticky",e=>e?Pl(this._contentPanelPlaceholder.getBoundingClientRect().width):null),top:t.to("_hasViewportTopOffset",e=>e?Pl(this.viewportTopOffset):null),bottom:t.to("_isStickyToTheLimiter",e=>e?Pl(this.limiterBottomOffset):null),marginLeft:t.to("_marginLeft")}},children:this.content}).render(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-sticky-panel"]},children:[this._contentPanelPlaceholder,this._contentPanel]})}render(){super.render(),this._checkIfShouldBeSticky(),this.listenTo(or.window,"scroll",()=>{this._checkIfShouldBeSticky()}),this.listenTo(this,"change:isActive",()=>{this._checkIfShouldBeSticky()})}_checkIfShouldBeSticky(){const e=this._panelRect=this._contentPanel.getBoundingClientRect();let t;this.limiterElement?(t=this._limiterRect=this.limiterElement.getBoundingClientRect(),this.isSticky=this.isActive&&t.top<this.viewportTopOffset&&this._panelRect.height+this.limiterBottomOffset<t.height):this.isSticky=!1,this.isSticky?(this._isStickyToTheLimiter=t.bottom<e.height+this.limiterBottomOffset+this.viewportTopOffset,this._hasViewportTopOffset=!this._isStickyToTheLimiter&&!!this.viewportTopOffset,this._marginLeft=this._isStickyToTheLimiter?null:Pl(-or.window.scrollX)):(this._isStickyToTheLimiter=!1,this._hasViewportTopOffset=!1,this._marginLeft=null)}}class Ml{constructor(e){if(Object.assign(this,e),e.actions&&e.keystrokeHandler)for(const t in e.actions){let n=e.actions[t];"string"==typeof n&&(n=[n]);for(const i of n)e.keystrokeHandler.set(i,(e,n)=>{this[t](),n()})}}get first(){return this.focusables.find(Il)||null}get last(){return this.focusables.filter(Il).slice(-1)[0]||null}get next(){return this._getFocusableItem(1)}get previous(){return this._getFocusableItem(-1)}get current(){let e=null;return null===this.focusTracker.focusedElement?null:(this.focusables.find((t,n)=>{const i=t.element===this.focusTracker.focusedElement;return i&&(e=n),i}),e)}focusFirst(){this._focus(this.first)}focusLast(){this._focus(this.last)}focusNext(){this._focus(this.next)}focusPrevious(){this._focus(this.previous)}_focus(e){e&&e.focus()}_getFocusableItem(e){const t=this.current,n=this.focusables.length;if(!n)return null;if(null===t)return this[1===e?"first":"last"];let i=(t+n+e)%n;do{const t=this.focusables.get(i);if(Il(t))return t;i=(i+n+e)%n}while(i!==t);return null}}function Il(e){return!(!e.focus||"none"==or.window.getComputedStyle(e.element).display)}class Nl extends kl{constructor(e){super(e),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__separator"]}})}}class Rl{constructor(e,t){Rl._observerInstance||Rl._createObserver(),this._element=e,this._callback=t,Rl._addElementCallback(e,t),Rl._observerInstance.observe(e)}destroy(){Rl._deleteElementCallback(this._element,this._callback)}static _addElementCallback(e,t){Rl._elementCallbacks||(Rl._elementCallbacks=new Map);let n=Rl._elementCallbacks.get(e);n||(n=new Set,Rl._elementCallbacks.set(e,n)),n.add(t)}static _deleteElementCallback(e,t){const n=Rl._getElementCallbacks(e);n&&(n.delete(t),n.size||(Rl._elementCallbacks.delete(e),Rl._observerInstance.unobserve(e))),Rl._elementCallbacks&&!Rl._elementCallbacks.size&&(Rl._observerInstance=null,Rl._elementCallbacks=null)}static _getElementCallbacks(e){return Rl._elementCallbacks?Rl._elementCallbacks.get(e):null}static _createObserver(){let e;e="function"==typeof or.window.ResizeObserver?or.window.ResizeObserver:Ol,Rl._observerInstance=new e(e=>{for(const t of e){if(!t.target.offsetParent)continue;const e=Rl._getElementCallbacks(t.target);if(e)for(const n of e)n(t)}})}}Rl._observerInstance=null,Rl._elementCallbacks=null;class Ol{constructor(e){this._callback=e,this._elements=new Set,this._previousRects=new Map,this._periodicCheckTimeout=null}observe(e){this._elements.add(e),this._checkElementRectsAndExecuteCallback(),1===this._elements.size&&this._startPeriodicCheck()}unobserve(e){this._elements.delete(e),this._previousRects.delete(e),this._elements.size||this._stopPeriodicCheck()}_startPeriodicCheck(){const e=()=>{this._checkElementRectsAndExecuteCallback(),this._periodicCheckTimeout=setTimeout(e,100)};this.listenTo(or.window,"resize",()=>{this._checkElementRectsAndExecuteCallback()}),this._periodicCheckTimeout=setTimeout(e,100)}_stopPeriodicCheck(){clearTimeout(this._periodicCheckTimeout),this.stopListening(),this._previousRects.clear()}_checkElementRectsAndExecuteCallback(){const e=[];for(const t of this._elements)this._hasRectChanged(t)&&e.push({target:t,contentRect:this._previousRects.get(t)});e.length&&this._callback(e)}_hasRectChanged(e){if(!e.ownerDocument.body.contains(e))return!1;const t=new is(e),n=this._previousRects.get(e),i=!n||!n.isEqual(t);return this._previousRects.set(e,t),i}}xn(Ol,mr);class zl extends kl{constructor(e){super(e);const t=this.bindTemplate;this.set("isVisible",!1),this.set("position","se"),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-reset","ck-dropdown__panel",t.to("position",e=>"ck-dropdown__panel_"+e),t.if("isVisible","ck-dropdown__panel-visible")]},children:this.children,on:{selectstart:t.to(e=>e.preventDefault())}})}focus(){this.children.length&&this.children.first.focus()}focusLast(){if(this.children.length){const e=this.children.last;"function"==typeof e.focusLast?e.focusLast():e.focus()}}}n(24);function Dl({element:e,target:t,positions:n,limiter:i,fitInViewport:o}){j(t)&&(t=t()),j(i)&&(i=i());const r=function(e){return e&&e.parentNode?e.offsetParent===or.document.body?null:e.offsetParent:null}(e),s=new is(e),a=new is(t);let c,l;if(i||o){const e=function(e,t){const{elementRect:n,viewportRect:i}=t,o=n.getArea(),r=function(e,{targetRect:t,elementRect:n,limiterRect:i,viewportRect:o}){const r=[],s=n.getArea();for(const a of e){const e=Ll(a,t,n);if(!e)continue;const[c,l]=e;let d=0,u=0;if(i)if(o){const e=i.getIntersection(o);e&&(d=e.getIntersectionArea(l))}else d=i.getIntersectionArea(l);o&&(u=o.getIntersectionArea(l));const h={positionName:c,positionRect:l,limiterIntersectArea:d,viewportIntersectArea:u};if(d===s)return[h];r.push(h)}return r}(e,t);if(i){const e=Vl(r.filter(({viewportIntersectArea:e})=>e===o),o);if(e)return e}return Vl(r,o)}(n,{targetRect:a,elementRect:s,limiterRect:i&&new is(i).getVisible(),viewportRect:o&&new is(or.window)});[l,c]=e||Ll(n[0],a,s)}else[l,c]=Ll(n[0],a,s);let d=jl(c);return r&&(d=function({left:e,top:t},n){const i=jl(new is(n)),o=ts(n);return e-=i.left,t-=i.top,e+=n.scrollLeft,t+=n.scrollTop,e-=o.left,t-=o.top,{left:e,top:t}}(d,r)),{left:d.left,top:d.top,name:l}}function Ll(e,t,n){const i=e(t,n);if(!i)return null;const{left:o,top:r,name:s}=i;return[s,n.clone().moveTo(o,r)]}function Vl(e,t){let n,i,o=0;for(const{positionName:r,positionRect:s,limiterIntersectArea:a,viewportIntersectArea:c}of e){if(a===t)return[r,s];const e=c**2+a**2;e>o&&(o=e,n=s,i=r)}return n?[i,n]:null}function jl({left:e,top:t}){const{scrollX:n,scrollY:i}=or.window;return{left:e+n,top:t+i}}class Bl extends kl{constructor(e,t,n){super(e);const i=this.bindTemplate;this.buttonView=t,this.panelView=n,this.set("isOpen",!1),this.set("isEnabled",!0),this.set("class"),this.set("id"),this.set("panelPosition","auto"),this.keystrokes=new Rc,this.setTemplate({tag:"div",attributes:{class:["ck","ck-dropdown",i.to("class"),i.if("isEnabled","ck-disabled",e=>!e)],id:i.to("id"),"aria-describedby":i.to("ariaDescribedById")},children:[t,n]}),t.extendTemplate({attributes:{class:["ck-dropdown__button"]}})}render(){super.render(),this.listenTo(this.buttonView,"open",()=>{this.isOpen=!this.isOpen}),this.panelView.bind("isVisible").to(this,"isOpen"),this.on("change:isOpen",()=>{this.isOpen&&("auto"===this.panelPosition?this.panelView.position=Bl._getOptimalPosition({element:this.panelView.element,target:this.buttonView.element,fitInViewport:!0,positions:this._panelPositions}).name:this.panelView.position=this.panelPosition)}),this.keystrokes.listenTo(this.element);const e=(e,t)=>{this.isOpen&&(this.buttonView.focus(),this.isOpen=!1,t())};this.keystrokes.set("arrowdown",(e,t)=>{this.buttonView.isEnabled&&!this.isOpen&&(this.isOpen=!0,t())}),this.keystrokes.set("arrowright",(e,t)=>{this.isOpen&&t()}),this.keystrokes.set("arrowleft",e),this.keystrokes.set("esc",e)}focus(){this.buttonView.focus()}get _panelPositions(){const{southEast:e,southWest:t,northEast:n,northWest:i}=Bl.defaultPanelPositions;return"ltr"===this.locale.uiLanguageDirection?[e,t,n,i]:[t,e,i,n]}}Bl.defaultPanelPositions={southEast:e=>({top:e.bottom,left:e.left,name:"se"}),southWest:(e,t)=>({top:e.bottom,left:e.left-t.width+e.width,name:"sw"}),northEast:(e,t)=>({top:e.top-t.height,left:e.left,name:"ne"}),northWest:(e,t)=>({top:e.bottom-t.height,left:e.left-t.width+e.width,name:"nw"})},Bl._getOptimalPosition=Dl;n(26);class Fl extends kl{constructor(){super();const e=this.bindTemplate;this.set("content",""),this.set("viewBox","0 0 20 20"),this.set("fillColor",""),this.setTemplate({tag:"svg",ns:"http://www.w3.org/2000/svg",attributes:{class:["ck","ck-icon"],viewBox:e.to("viewBox")}})}render(){super.render(),this._updateXMLContent(),this._colorFillPaths(),this.on("change:content",()=>{this._updateXMLContent(),this._colorFillPaths()}),this.on("change:fillColor",()=>{this._colorFillPaths()})}_updateXMLContent(){if(this.content){const e=(new DOMParser).parseFromString(this.content.trim(),"image/svg+xml").querySelector("svg"),t=e.getAttribute("viewBox");for(t&&(this.viewBox=t),this.element.innerHTML="";e.childNodes.length>0;)this.element.appendChild(e.childNodes[0])}}_colorFillPaths(){this.fillColor&&this.element.querySelectorAll(".ck-icon__fill").forEach(e=>{e.style.fill=this.fillColor})}}n(28);class Hl extends kl{constructor(e){super(e),this.set("text",""),this.set("position","s");const t=this.bindTemplate;this.setTemplate({tag:"span",attributes:{class:["ck","ck-tooltip",t.to("position",e=>"ck-tooltip_"+e),t.if("text","ck-hidden",e=>!e.trim())]},children:[{tag:"span",attributes:{class:["ck","ck-tooltip__text"]},children:[{text:t.to("text")}]}]})}}n(30);class Ul extends kl{constructor(e){super(e);const t=this.bindTemplate,n=dn();this.set("class"),this.set("labelStyle"),this.set("icon"),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isVisible",!0),this.set("isToggleable",!1),this.set("keystroke"),this.set("label"),this.set("tabindex",-1),this.set("tooltip"),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.set("withKeystroke",!1),this.children=this.createCollection(),this.tooltipView=this._createTooltipView(),this.labelView=this._createLabelView(n),this.iconView=new Fl,this.iconView.extendTemplate({attributes:{class:"ck-button__icon"}}),this.keystrokeView=this._createKeystrokeView(),this.bind("_tooltipString").to(this,"tooltip",this,"label",this,"keystroke",this._getTooltipString.bind(this)),this.setTemplate({tag:"button",attributes:{class:["ck","ck-button",t.to("class"),t.if("isEnabled","ck-disabled",e=>!e),t.if("isVisible","ck-hidden",e=>!e),t.to("isOn",e=>e?"ck-on":"ck-off"),t.if("withText","ck-button_with-text"),t.if("withKeystroke","ck-button_with-keystroke")],type:t.to("type",e=>e||"button"),tabindex:t.to("tabindex"),"aria-labelledby":"ck-editor__aria-label_"+n,"aria-disabled":t.if("isEnabled",!0,e=>!e),"aria-pressed":t.to("isOn",e=>!!this.isToggleable&&String(e))},children:this.children,on:{mousedown:t.to(e=>{e.preventDefault()}),click:t.to(e=>{this.isEnabled?this.fire("execute"):e.preventDefault()})}})}render(){super.render(),this.icon&&(this.iconView.bind("content").to(this,"icon"),this.children.add(this.iconView)),this.children.add(this.tooltipView),this.children.add(this.labelView),this.withKeystroke&&this.children.add(this.keystrokeView)}focus(){this.element.focus()}_createTooltipView(){const e=new Hl;return e.bind("text").to(this,"_tooltipString"),e.bind("position").to(this,"tooltipPosition"),e}_createLabelView(e){const t=new kl,n=this.bindTemplate;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__label"],style:n.to("labelStyle"),id:"ck-editor__aria-label_"+e},children:[{text:this.bindTemplate.to("label")}]}),t}_createKeystrokeView(){const e=new kl;return e.setTemplate({tag:"span",attributes:{class:["ck","ck-button__keystroke"]},children:[{text:this.bindTemplate.to("keystroke",e=>wo(e))}]}),e}_getTooltipString(e,t,n){return e?"string"==typeof e?e:(n&&(n=wo(n)),e instanceof Function?e(t,n):`${t}${n?` (${n})`:""}`):""}}var Wl='<svg viewBox="0 0 10 10" xmlns="http://www.w3.org/2000/svg"><path d="M.941 4.523a.75.75 0 1 1 1.06-1.06l3.006 3.005 3.005-3.005a.75.75 0 1 1 1.06 1.06l-3.549 3.55a.75.75 0 0 1-1.168-.136L.941 4.523z"/></svg>';class ql extends Ul{constructor(e){super(e),this.arrowView=this._createArrowView(),this.extendTemplate({attributes:{"aria-haspopup":!0}}),this.delegate("execute").to(this,"open")}render(){super.render(),this.children.add(this.arrowView)}_createArrowView(){const e=new Fl;return e.content=Wl,e.extendTemplate({attributes:{class:"ck-dropdown__arrow"}}),e}}n(32);class $l extends kl{constructor(){super(),this.items=this.createCollection(),this.focusTracker=new Hc,this.keystrokes=new Rc,this._focusCycler=new Ml({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowup",focusNext:"arrowdown"}}),this.setTemplate({tag:"ul",attributes:{class:["ck","ck-reset","ck-list"]},children:this.items})}render(){super.render();for(const e of this.items)this.focusTracker.add(e.element);this.items.on("add",(e,t)=>{this.focusTracker.add(t.element)}),this.items.on("remove",(e,t)=>{this.focusTracker.remove(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}}class Gl extends kl{constructor(e){super(e),this.children=this.createCollection(),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__item"]},children:this.children})}focus(){this.children.first.focus()}}class Yl extends kl{constructor(e){super(e),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__separator"]}})}}n(34);class Kl extends Ul{constructor(e){super(e),this.isToggleable=!0,this.toggleSwitchView=this._createToggleView(),this.extendTemplate({attributes:{class:"ck-switchbutton"}})}render(){super.render(),this.children.add(this.toggleSwitchView)}_createToggleView(){const e=new kl;return e.setTemplate({tag:"span",attributes:{class:["ck","ck-button__toggle"]},children:[{tag:"span",attributes:{class:["ck","ck-button__toggle__inner"]}}]}),e}}function Ql({emitter:e,activator:t,callback:n,contextElements:i}){e.listenTo(document,"mousedown",(e,{target:o})=>{if(t()){for(const e of i)if(e.contains(o))return;n()}})}n(36),n(38);function Jl(e,t=ql){const n=new t(e),i=new zl(e),o=new Bl(e,n,i);return n.bind("isEnabled").to(o),n instanceof ql?n.bind("isOn").to(o,"isOpen"):n.arrowView.bind("isOn").to(o,"isOpen"),function(e){(function(e){e.on("render",()=>{Ql({emitter:e,activator:()=>e.isOpen,callback:()=>{e.isOpen=!1},contextElements:[e.element]})})})(e),function(e){e.on("execute",t=>{t.source instanceof Kl||(e.isOpen=!1)})}(e),function(e){e.keystrokes.set("arrowdown",(t,n)=>{e.isOpen&&(e.panelView.focus(),n())}),e.keystrokes.set("arrowup",(t,n)=>{e.isOpen&&(e.panelView.focusLast(),n())})}(e)}(o),o}function Zl(e,t){const n=e.locale,i=n.t,o=e.toolbarView=new ed(n);o.set("ariaLabel",i("Dropdown toolbar")),e.extendTemplate({attributes:{class:["ck-toolbar-dropdown"]}}),t.map(e=>o.items.add(e)),e.panelView.children.add(o),o.items.delegate("execute").to(e)}function Xl(e,t){const n=e.locale,i=e.listView=new $l(n);i.items.bindTo(t).using(({type:e,model:t})=>{if("separator"===e)return new Yl(n);if("button"===e||"switchbutton"===e){const i=new Gl(n);let o;return o="button"===e?new Ul(n):new Kl(n),o.bind(...Object.keys(t)).to(t),o.delegate("execute").to(i),i.children.add(o),i}}),e.panelView.children.add(i),i.items.delegate("execute").to(e)}n(40);class ed extends kl{constructor(e,t){super(e);const n=this.bindTemplate,i=this.t;var o;this.options=t||{},this.set("ariaLabel",i("Editor toolbar")),this.set("maxWidth","auto"),this.items=this.createCollection(),this.focusTracker=new Hc,this.keystrokes=new Rc,this.set("class"),this.set("isCompact",!1),this.itemsView=new td(e),this.children=this.createCollection(),this.children.add(this.itemsView),this.focusables=this.createCollection(),this._focusCycler=new Ml({focusables:this.focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:["arrowleft","arrowup"],focusNext:["arrowright","arrowdown"]}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar",n.to("class"),n.if("isCompact","ck-toolbar_compact")],role:"toolbar","aria-label":n.to("ariaLabel"),style:{maxWidth:n.to("maxWidth")}},children:this.children,on:{mousedown:(o=this,o.bindTemplate.to(e=>{e.target===o.element&&e.preventDefault()}))}}),this._behavior=this.options.shouldGroupWhenFull?new id(this):new nd(this)}render(){super.render();for(const e of this.items)this.focusTracker.add(e.element);this.items.on("add",(e,t)=>{this.focusTracker.add(t.element)}),this.items.on("remove",(e,t)=>{this.focusTracker.remove(t.element)}),this.keystrokes.listenTo(this.element),this._behavior.render(this)}destroy(){return this._behavior.destroy(),super.destroy()}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}fillFromConfig(e,t){this.items.addMany(e.map(e=>"|"==e?new Nl:t.has(e)?t.create(e):void console.warn(Object(hn.a)("toolbarview-item-unavailable: The requested toolbar item is unavailable."),{name:e})).filter(e=>void 0!==e))}}class td extends kl{constructor(e){super(e),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar__items"]},children:this.children})}}class nd{constructor(e){const t=e.bindTemplate;e.set("isVertical",!1),e.itemsView.children.bindTo(e.items).using(e=>e),e.focusables.bindTo(e.items).using(e=>e),e.extendTemplate({attributes:{class:[t.if("isVertical","ck-toolbar_vertical")]}})}render(){}destroy(){}}class id{constructor(e){this.viewChildren=e.children,this.viewFocusables=e.focusables,this.viewItemsView=e.itemsView,this.viewFocusTracker=e.focusTracker,this.viewLocale=e.locale,this.ungroupedItems=e.createCollection(),this.groupedItems=e.createCollection(),this.groupedItemsDropdown=this._createGroupedItemsDropdown(),this.resizeObserver=null,this.cachedPadding=null,this.shouldUpdateGroupingOnNextResize=!1,e.itemsView.children.bindTo(this.ungroupedItems).using(e=>e),this.ungroupedItems.on("add",this._updateFocusCycleableItems.bind(this)),this.ungroupedItems.on("remove",this._updateFocusCycleableItems.bind(this)),e.children.on("add",this._updateFocusCycleableItems.bind(this)),e.children.on("remove",this._updateFocusCycleableItems.bind(this)),e.items.on("change",(e,t)=>{const n=t.index;for(const e of t.removed)n>=this.ungroupedItems.length?this.groupedItems.remove(e):this.ungroupedItems.remove(e);for(let e=n;e<n+t.added.length;e++){const i=t.added[e-n];e>this.ungroupedItems.length?this.groupedItems.add(i,e-this.ungroupedItems.length):this.ungroupedItems.add(i,e)}this._updateGrouping()}),e.extendTemplate({attributes:{class:["ck-toolbar_grouping"]}})}render(e){this.viewElement=e.element,this._enableGroupingOnResize(),this._enableGroupingOnMaxWidthChange(e)}destroy(){this.groupedItemsDropdown.destroy(),this.resizeObserver.destroy()}_updateGrouping(){if(!this.viewElement.ownerDocument.body.contains(this.viewElement))return;if(!this.viewElement.offsetParent)return void(this.shouldUpdateGroupingOnNextResize=!0);let e;for(;this._areItemsOverflowing;)this._groupLastItem(),e=!0;if(!e&&this.groupedItems.length){for(;this.groupedItems.length&&!this._areItemsOverflowing;)this._ungroupFirstItem();this._areItemsOverflowing&&this._groupLastItem()}}get _areItemsOverflowing(){if(!this.ungroupedItems.length)return!1;const e=this.viewElement,t=this.viewLocale.uiLanguageDirection,n=new is(e.lastChild),i=new is(e);if(!this.cachedPadding){const n=or.window.getComputedStyle(e),i="ltr"===t?"paddingRight":"paddingLeft";this.cachedPadding=Number.parseInt(n[i])}return"ltr"===t?n.right>i.right-this.cachedPadding:n.left<i.left+this.cachedPadding}_enableGroupingOnResize(){let e;this.resizeObserver=new Rl(this.viewElement,t=>{e&&e===t.contentRect.width&&!this.shouldUpdateGroupingOnNextResize||(this.shouldUpdateGroupingOnNextResize=!1,this._updateGrouping(),e=t.contentRect.width)}),this._updateGrouping()}_enableGroupingOnMaxWidthChange(e){e.on("change:maxWidth",()=>{this._updateGrouping()})}_groupLastItem(){this.groupedItems.length||(this.viewChildren.add(new Nl),this.viewChildren.add(this.groupedItemsDropdown),this.viewFocusTracker.add(this.groupedItemsDropdown.element)),this.groupedItems.add(this.ungroupedItems.remove(this.ungroupedItems.last),0)}_ungroupFirstItem(){this.ungroupedItems.add(this.groupedItems.remove(this.groupedItems.first)),this.groupedItems.length||(this.viewChildren.remove(this.groupedItemsDropdown),this.viewChildren.remove(this.viewChildren.last),this.viewFocusTracker.remove(this.groupedItemsDropdown.element))}_createGroupedItemsDropdown(){const e=this.viewLocale,t=e.t,n=Jl(e);return n.class="ck-toolbar__grouped-dropdown",n.panelPosition="ltr"===e.uiLanguageDirection?"sw":"se",Zl(n,[]),n.buttonView.set({label:t("Show more items"),tooltip:!0,icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><circle cx="9.5" cy="4.5" r="1.5"/><circle cx="9.5" cy="10.5" r="1.5"/><circle cx="9.5" cy="16.5" r="1.5"/></svg>'}),n.toolbarView.items.bindTo(this.groupedItems).using(e=>e),n}_updateFocusCycleableItems(){this.viewFocusables.clear(),this.ungroupedItems.map(e=>{this.viewFocusables.add(e)}),this.groupedItems.length&&this.viewFocusables.add(this.groupedItemsDropdown)}}n(42);class od extends Al{constructor(e,t,n={}){super(e),this.stickyPanel=new El(e),this.toolbar=new ed(e,{shouldGroupWhenFull:n.shouldToolbarGroupWhenFull}),this.editable=new Tl(e,t)}render(){super.render(),this.stickyPanel.content.add(this.toolbar),this.top.add(this.stickyPanel),this.main.add(this.editable)}}class rd extends zc{constructor(e,t){super(t),nn(e)&&(this.sourceElement=e),this.data.processor=new jc(this.data.viewDocument),this.model.document.createRoot();const n=!this.config.get("toolbar.shouldNotGroupWhenFull"),i=new od(this.locale,this.editing.view,{shouldToolbarGroupWhenFull:n});this.ui=new Zc(this,i),function(e){if(!j(e.updateSourceElement))throw new hn.b("attachtoform-missing-elementapi-interface: Editor passed to attachToForm() must implement ElementApi.",e);const t=e.sourceElement;if(t&&"textarea"===t.tagName.toLowerCase()&&t.form){let n;const i=t.form,o=()=>e.updateSourceElement();j(i.submit)&&(n=i.submit,i.submit=()=>{o(),n.apply(i)}),i.addEventListener("submit",o),e.on("destroy",()=>{i.removeEventListener("submit",o),n&&(i.submit=n)})}}(this)}destroy(){return this.sourceElement&&this.updateSourceElement(),this.ui.destroy(),super.destroy()}static create(e,t={}){return new Promise(n=>{const i=new this(e,t);n(i.initPlugins().then(()=>i.ui.init(nn(e)?e:null)).then(()=>{if(!nn(e)&&t.initialData)throw new hn.b("editor-create-initial-data: The config.initialData option cannot be used together with initial data passed in Editor.create().",null);const n=t.initialData||function(e){return nn(e)?(t=e,t instanceof HTMLTextAreaElement?t.value:t.innerHTML):e;var t}(e);return i.data.init(n)}).then(()=>i.fire("ready")).then(()=>i))})}}xn(rd,Dc),xn(rd,Lc);class sd{constructor(e){this.editor=e,this.set("isEnabled",!0),this._disableStack=new Set}forceDisabled(e){this._disableStack.add(e),1==this._disableStack.size&&(this.on("set:isEnabled",ad,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(e){this._disableStack.delete(e),0==this._disableStack.size&&(this.off("set:isEnabled",ad),this.isEnabled=!0)}destroy(){this.stopListening()}static get isContextPlugin(){return!1}}function ad(e){e.return=!1,e.stop()}xn(sd,Hi);class cd{constructor(e){this.editor=e,this.set("value",void 0),this.set("isEnabled",!1),this._disableStack=new Set,this.decorate("execute"),this.listenTo(this.editor.model.document,"change",()=>{this.refresh()}),this.on("execute",e=>{this.isEnabled||e.stop()},{priority:"high"}),this.listenTo(e,"change:isReadOnly",(e,t,n)=>{n?this.forceDisabled("readOnlyMode"):this.clearForceDisabled("readOnlyMode")})}refresh(){this.isEnabled=!0}forceDisabled(e){this._disableStack.add(e),1==this._disableStack.size&&(this.on("set:isEnabled",ld,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(e){this._disableStack.delete(e),0==this._disableStack.size&&(this.off("set:isEnabled",ld),this.refresh())}execute(){}destroy(){this.stopListening()}}function ld(e){e.return=!1,e.stop()}function dd(e){const t=e.next();return t.done?null:t.value}xn(cd,Hi);const ud=["left","right","center","justify"];function hd(e){return ud.includes(e)}function md(e,t){return"rtl"==t.contentLanguageDirection?"right"===e:"left"===e}class gd extends cd{refresh(){const e=this.editor.locale,t=dd(this.editor.model.document.selection.getSelectedBlocks());this.isEnabled=!!t&&this._canBeAligned(t),this.isEnabled&&t.hasAttribute("alignment")?this.value=t.getAttribute("alignment"):this.value="rtl"===e.contentLanguageDirection?"right":"left"}execute(e={}){const t=this.editor,n=t.locale,i=t.model,o=i.document,r=e.value;i.change(e=>{const t=Array.from(o.selection.getSelectedBlocks()).filter(e=>this._canBeAligned(e)),i=t[0].getAttribute("alignment");md(r,n)||i===r||!r?function(e,t){for(const n of e)t.removeAttribute("alignment",n)}(t,e):function(e,t,n){for(const i of e)t.setAttribute("alignment",n,i)}(t,e,r)})}_canBeAligned(e){return this.editor.model.schema.checkAttribute(e,"alignment")}}class fd extends sd{static get pluginName(){return"AlignmentEditing"}constructor(e){super(e),e.config.define("alignment",{options:[...ud]})}init(){const e=this.editor,t=e.locale,n=e.model.schema,i=e.config.get("alignment.options").filter(hd);n.extend("$block",{allowAttributes:"alignment"}),e.model.schema.setAttributeProperties("alignment",{isFormatting:!0});const o=function(e){const t={model:{key:"alignment",values:e.slice()},view:{}};for(const n of e)t.view[n]={key:"style",value:{"text-align":n}};return t}(i.filter(e=>!md(e,t)));e.conversion.attributeToAttribute(o),e.commands.add("alignment",new gd(e))}}var pd='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 4c0 .414.336.75.75.75h9.929a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0-8c0 .414.336.75.75.75h9.929a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75z"/></svg>',bd='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M18 3.75a.75.75 0 0 1-.75.75H2.75a.75.75 0 1 1 0-1.5h14.5a.75.75 0 0 1 .75.75zm0 8a.75.75 0 0 1-.75.75H2.75a.75.75 0 1 1 0-1.5h14.5a.75.75 0 0 1 .75.75zm0 4a.75.75 0 0 1-.75.75H7.321a.75.75 0 1 1 0-1.5h9.929a.75.75 0 0 1 .75.75zm0-8a.75.75 0 0 1-.75.75H7.321a.75.75 0 1 1 0-1.5h9.929a.75.75 0 0 1 .75.75z"/></svg>';const wd=new Map([["left",pd],["right",bd],["center",'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm2.286 4c0 .414.336.75.75.75h9.928a.75.75 0 1 0 0-1.5H5.036a.75.75 0 0 0-.75.75zm0-8c0 .414.336.75.75.75h9.928a.75.75 0 1 0 0-1.5H5.036a.75.75 0 0 0-.75.75z"/></svg>'],["justify",'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0 4c0 .414.336.75.75.75h9.929a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm0-8c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75z"/></svg>']]);class kd extends sd{get localizedOptionTitles(){const e=this.editor.t;return{left:e("Align left"),right:e("Align right"),center:e("Align center"),justify:e("Justify")}}static get pluginName(){return"AlignmentUI"}init(){const e=this.editor,t=e.ui.componentFactory,n=e.t,i=e.config.get("alignment.options");i.filter(hd).forEach(e=>this._addButton(e)),t.add("alignment",e=>{const o=Jl(e),r=i.map(e=>t.create("alignment:"+e));Zl(o,r),o.buttonView.set({label:n("Text alignment"),tooltip:!0}),o.toolbarView.isVertical=!0,o.toolbarView.ariaLabel=n("Text alignment toolbar"),o.extendTemplate({attributes:{class:"ck-alignment-dropdown"}});const s="rtl"===e.contentLanguageDirection?bd:pd;return o.buttonView.bind("icon").toMany(r,"isOn",(...e)=>{const t=e.findIndex(e=>e);return t<0?s:r[t].icon}),o.bind("isEnabled").toMany(r,"isEnabled",(...e)=>e.some(e=>e)),o})}_addButton(e){const t=this.editor;t.ui.componentFactory.add("alignment:"+e,n=>{const i=t.commands.get("alignment"),o=new Ul(n);return o.set({label:this.localizedOptionTitles[e],icon:wd.get(e),tooltip:!0,isToggleable:!0}),o.bind("isEnabled").to(i),o.bind("isOn").to(i,"value",t=>t===e),this.listenTo(o,"execute",()=>{t.execute("alignment",{value:e}),t.editing.view.focus()}),o})}}function _d(e,t,n,i){let o,r=null;"function"==typeof i?o=i:(r=e.commands.get(i),o=()=>{e.execute(i)}),e.model.document.on("change:data",(i,s)=>{if(r&&!r.isEnabled||!t.isEnabled)return;const a=dd(e.model.document.selection.getRanges());if(!a.isCollapsed)return;if("transparent"==s.type)return;const c=Array.from(e.model.document.differ.getChanges()),l=c[0];if(1!=c.length||"insert"!==l.type||"$text"!=l.name||1!=l.length)return;const d=l.position.parent;if(d.is("element","codeBlock"))return;if(r&&!0===r.value)return;const u=d.getChild(0),h=e.model.createRangeOn(u);if(!h.containsRange(a)&&!a.end.isEqual(h.end))return;const m=n.exec(u.data.substr(0,a.end.offset));m&&e.model.enqueueChange(e=>{const t=e.createPositionAt(d,0),n=e.createPositionAt(d,m[0].length),i=new js(t,n);!1!==o({match:m})&&e.remove(i),i.detach()})})}function vd(e,t,n,i){let o,r;n instanceof RegExp?o=n:r=n,r=r||(e=>{let t;const n=[],i=[];for(;null!==(t=o.exec(e))&&!(t&&t.length<4);){let{index:e,1:o,2:r,3:s}=t;const a=o+r+s;e+=t[0].length-a.length;const c=[e,e+o.length],l=[e+o.length+r.length,e+o.length+r.length+s.length];n.push(c),n.push(l),i.push([e+o.length,e+o.length+r.length])}return{remove:n,format:i}}),e.model.document.on("change:data",(n,o)=>{if("transparent"==o.type||!t.isEnabled)return;const s=e.model,a=s.document.selection;if(!a.isCollapsed)return;const c=Array.from(s.document.differ.getChanges()),l=c[0];if(1!=c.length||"insert"!==l.type||"$text"!=l.name||1!=l.length)return;const d=a.focus,u=d.parent,{text:h,range:m}=function(e,t){let n=e.start;return{text:Array.from(e.getItems()).reduce((e,i)=>!i.is("$text")&&!i.is("$textProxy")||i.getAttribute("code")?(n=t.createPositionAfter(i),""):e+i.data,""),range:t.createRange(n,e.end)}}(s.createRange(s.createPositionAt(u,0),d),s),g=r(h),f=yd(m.start,g.format,s),p=yd(m.start,g.remove,s);f.length&&p.length&&s.enqueueChange(e=>{if(!1!==i(e,f))for(const t of p.reverse())e.remove(t)})})}function yd(e,t,n){return t.filter(e=>void 0!==e[0]&&void 0!==e[1]).map(t=>n.createRange(e.getShiftedBy(t[0]),e.getShiftedBy(t[1])))}function xd(e,t){return(n,i)=>{if(!e.commands.get(t).isEnabled)return!1;const o=e.model.schema.getValidRanges(i,t);for(const e of o)n.setAttribute(t,!0,e);n.removeSelectionAttribute(t)}}function Ad(e,t){let n=e.start;return{text:Array.from(e.getItems()).reduce((e,i)=>i.is("$text")||i.is("$textProxy")?e+i.data:(n=t.createPositionAfter(i),""),""),range:t.createRange(n,e.end)}}class Cd{constructor(e,t){this.model=e,this.testCallback=t,this.hasMatch=!1,this.set("isEnabled",!0),this.on("change:isEnabled",()=>{this.isEnabled?this._startListening():(this.stopListening(e.document.selection),this.stopListening(e.document))}),this._startListening()}_startListening(){const e=this.model.document;this.listenTo(e.selection,"change:range",(t,{directChange:n})=>{n&&(e.selection.isCollapsed?this._evaluateTextBeforeSelection("selection"):this.hasMatch&&(this.fire("unmatched"),this.hasMatch=!1))}),this.listenTo(e,"change:data",(e,t)=>{"transparent"!=t.type&&this._evaluateTextBeforeSelection("data",{batch:t})})}_evaluateTextBeforeSelection(e,t={}){const n=this.model,i=n.document.selection,o=n.createRange(n.createPositionAt(i.focus.parent,0),i.focus),{text:r,range:s}=Ad(o,n),a=this.testCallback(r);if(!a&&this.hasMatch&&this.fire("unmatched"),this.hasMatch=!!a,a){const n=Object.assign(t,{text:r,range:s});"object"==typeof a&&Object.assign(n,a),this.fire("matched:"+e,n)}}}xn(Cd,Hi);const Td=new RegExp("(^|\\s)(((?:(?:(?:https?|ftp):)?\\/\\/)(?:\\S+(?::\\S*)?@)?(?:(?![-_])(?:[-\\w\\u00a1-\\uffff]{0,63}[^-_]\\.)+(?:[a-z\\u00a1-\\uffff]{2,}))(?::\\d{2,5})?(?:[/?#]\\S*)?)|((www.|(\\S+@))((?![-_])(?:[-\\w\\u00a1-\\uffff]{0,63}[^-_]\\.))+(?:[a-z\\u00a1-\\uffff]{2,})))$","i"),Sd=/^[\S]+@((?![-_])(?:[-\w\u00a1-\uffff]{0,63}[^-_]\.))+(?:[a-z\u00a1-\uffff]{2,})$/i;function Pd(e){const t=Td.exec(e);return t?t[2]:null}class Ed extends cd{refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(e={}){const t=this.editor.model,n=t.schema,i=t.document.selection,o=Array.from(i.getSelectedBlocks()),r=void 0===e.forceValue?!this.value:e.forceValue;t.change(e=>{if(r){const t=o.filter(e=>Md(e)||Nd(n,e));this._applyQuote(e,t)}else this._removeQuote(e,o.filter(Md))})}_getValue(){const e=dd(this.editor.model.document.selection.getSelectedBlocks());return!(!e||!Md(e))}_checkEnabled(){if(this.value)return!0;const e=this.editor.model.document.selection,t=this.editor.model.schema,n=dd(e.getSelectedBlocks());return!!n&&Nd(t,n)}_removeQuote(e,t){Id(e,t).reverse().forEach(t=>{if(t.start.isAtStart&&t.end.isAtEnd)return void e.unwrap(t.start.parent);if(t.start.isAtStart){const n=e.createPositionBefore(t.start.parent);return void e.move(t,n)}t.end.isAtEnd||e.split(t.end);const n=e.createPositionAfter(t.end.parent);e.move(t,n)})}_applyQuote(e,t){const n=[];Id(e,t).reverse().forEach(t=>{let i=Md(t.start);i||(i=e.createElement("blockQuote"),e.wrap(t,i)),n.push(i)}),n.reverse().reduce((t,n)=>t.nextSibling==n?(e.merge(e.createPositionAfter(t)),t):n)}}function Md(e){return"blockQuote"==e.parent.name?e.parent:null}function Id(e,t){let n,i=0;const o=[];for(;i<t.length;){const r=t[i],s=t[i+1];n||(n=e.createPositionBefore(r)),s&&r.nextSibling==s||(o.push(e.createRange(n,e.createPositionAfter(r))),n=null),i++}return o}function Nd(e,t){const n=e.checkChild(t.parent,"blockQuote"),i=e.checkChild(["$root","blockQuote"],t);return n&&i}class Rd extends sd{static get pluginName(){return"BlockQuoteEditing"}init(){const e=this.editor,t=e.model.schema;e.commands.add("blockQuote",new Ed(e)),t.register("blockQuote",{allowWhere:"$block",allowContentOf:"$root"}),t.addChildCheck((e,t)=>{if(e.endsWith("blockQuote")&&"blockQuote"==t.name)return!1}),e.conversion.elementToElement({model:"blockQuote",view:"blockquote"}),e.model.document.registerPostFixer(n=>{const i=e.model.document.differ.getChanges();for(const e of i)if("insert"==e.type){const i=e.position.nodeAfter;if(!i)continue;if(i.is("element","blockQuote")&&i.isEmpty)return n.remove(i),!0;if(i.is("element","blockQuote")&&!t.checkChild(e.position,i))return n.unwrap(i),!0;if(i.is("element")){const e=n.createRangeIn(i);for(const i of e.getItems())if(i.is("element","blockQuote")&&!t.checkChild(n.createPositionBefore(i),i))return n.unwrap(i),!0}}else if("remove"==e.type){const t=e.position.parent;if(t.is("element","blockQuote")&&t.isEmpty)return n.remove(t),!0}return!1})}afterInit(){const e=this.editor.commands.get("blockQuote");this.listenTo(this.editor.editing.view.document,"enter",(t,n)=>{const i=this.editor.model.document,o=i.selection.getLastPosition().parent;i.selection.isCollapsed&&o.isEmpty&&e.value&&(this.editor.execute("blockQuote"),this.editor.editing.view.scrollToTheSelection(),n.preventDefault(),t.stop())})}}n(44);class Od extends sd{init(){const e=this.editor,t=e.t;e.ui.componentFactory.add("blockQuote",n=>{const i=e.commands.get("blockQuote"),o=new Ul(n);return o.set({label:t("Block quote"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 10.423a6.5 6.5 0 0 1 6.056-6.408l.038.67C6.448 5.423 5.354 7.663 5.22 10H9c.552 0 .5.432.5.986v4.511c0 .554-.448.503-1 .503h-5c-.552 0-.5-.449-.5-1.003v-4.574zm8 0a6.5 6.5 0 0 1 6.056-6.408l.038.67c-2.646.739-3.74 2.979-3.873 5.315H17c.552 0 .5.432.5.986v4.511c0 .554-.448.503-1 .503h-5c-.552 0-.5-.449-.5-1.003v-4.574z"/></svg>',tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>{e.execute("blockQuote"),e.editing.view.focus()}),o})}}class zd extends cd{constructor(e,t){super(e),this.attributeKey=t}refresh(){const e=this.editor.model,t=e.document;this.value=this._getValueFromFirstAllowedNode(),this.isEnabled=e.schema.checkAttributeInSelection(t.selection,this.attributeKey)}execute(e={}){const t=this.editor.model,n=t.document.selection,i=void 0===e.forceValue?!this.value:e.forceValue;t.change(e=>{if(n.isCollapsed)i?e.setSelectionAttribute(this.attributeKey,!0):e.removeSelectionAttribute(this.attributeKey);else{const o=t.schema.getValidRanges(n.getRanges(),this.attributeKey);for(const t of o)i?e.setAttribute(this.attributeKey,i,t):e.removeAttribute(this.attributeKey,t)}})}_getValueFromFirstAllowedNode(){const e=this.editor.model,t=e.schema,n=e.document.selection;if(n.isCollapsed)return n.hasAttribute(this.attributeKey);for(const e of n.getRanges())for(const n of e.getItems())if(t.checkAttribute(n,this.attributeKey))return n.hasAttribute(this.attributeKey);return!1}}class Dd extends sd{static get pluginName(){return"BoldEditing"}init(){const e=this.editor;e.model.schema.extend("$text",{allowAttributes:"bold"}),e.model.schema.setAttributeProperties("bold",{isFormatting:!0,copyOnEnter:!0}),e.conversion.attributeToElement({model:"bold",view:"strong",upcastAlso:["b",e=>{const t=e.getStyle("font-weight");return t?"bold"==t||Number(t)>=600?{name:!0,styles:["font-weight"]}:void 0:null}]}),e.commands.add("bold",new zd(e,"bold")),e.keystrokes.set("CTRL+B","bold")}}class Ld extends sd{init(){const e=this.editor,t=e.t;e.ui.componentFactory.add("bold",n=>{const i=e.commands.get("bold"),o=new Ul(n);return o.set({label:t("Bold"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M10.187 17H5.773c-.637 0-1.092-.138-1.364-.415-.273-.277-.409-.718-.409-1.323V4.738c0-.617.14-1.062.419-1.332.279-.27.73-.406 1.354-.406h4.68c.69 0 1.288.041 1.793.124.506.083.96.242 1.36.478.341.197.644.447.906.75a3.262 3.262 0 0 1 .808 2.162c0 1.401-.722 2.426-2.167 3.075C15.05 10.175 16 11.315 16 13.01a3.756 3.756 0 0 1-2.296 3.504 6.1 6.1 0 0 1-1.517.377c-.571.073-1.238.11-2 .11zm-.217-6.217H7v4.087h3.069c1.977 0 2.965-.69 2.965-2.072 0-.707-.256-1.22-.768-1.537-.512-.319-1.277-.478-2.296-.478zM7 5.13v3.619h2.606c.729 0 1.292-.067 1.69-.2a1.6 1.6 0 0 0 .91-.765c.165-.267.247-.566.247-.897 0-.707-.26-1.176-.778-1.409-.519-.232-1.31-.348-2.375-.348H7z"/></svg>',keystroke:"CTRL+B",tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>{e.execute("bold"),e.editing.view.focus()}),o})}}class Vd extends sd{static get pluginName(){return"CKFinderUI"}init(){const e=this.editor,t=e.ui.componentFactory,n=e.t;t.add("ckfinder",t=>{const i=e.commands.get("ckfinder"),o=new Ul(t);return o.set({label:n("Insert image or file"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.627 16.5zm5.873-.196zm0-7.001V8h-13v8.5h4.341c.191.54.457 1.044.785 1.5H2a1.5 1.5 0 0 1-1.5-1.5v-13A1.5 1.5 0 0 1 2 2h4.5a1.5 1.5 0 0 1 1.06.44L9.122 4H16a1.5 1.5 0 0 1 1.5 1.5v1A1.5 1.5 0 0 1 19 8v2.531a6.027 6.027 0 0 0-1.5-1.228zM16 6.5v-1H8.5l-2-2H2v13h1V8a1.5 1.5 0 0 1 1.5-1.5H16z"/><path d="M14.5 19.5a5 5 0 1 1 0-10 5 5 0 0 1 0 10zM15 14v-2h-1v2h-2v1h2v2h1v-2h2v-1h-2z"/></svg>',tooltip:!0}),o.bind("isEnabled").to(i),o.on("execute",()=>{e.execute("ckfinder"),e.editing.view.focus()}),o})}}class jd extends pr{observe(e){this.listenTo(e,"load",(e,t)=>{"IMG"==t.target.tagName&&this._fireEvents(t)},{useCapture:!0})}_fireEvents(e){this.isEnabled&&(this.document.fire("layoutChanged"),this.document.fire("imageLoaded",e))}}class Bd{constructor(){this._stack=[]}add(e,t){const n=this._stack,i=n[0];this._insertDescriptor(e);const o=n[0];i===o||Fd(i,o)||this.fire("change:top",{oldDescriptor:i,newDescriptor:o,writer:t})}remove(e,t){const n=this._stack,i=n[0];this._removeDescriptor(e);const o=n[0];i===o||Fd(i,o)||this.fire("change:top",{oldDescriptor:i,newDescriptor:o,writer:t})}_insertDescriptor(e){const t=this._stack,n=t.findIndex(t=>t.id===e.id);if(Fd(e,t[n]))return;n>-1&&t.splice(n,1);let i=0;for(;t[i]&&Hd(t[i],e);)i++;t.splice(i,0,e)}_removeDescriptor(e){const t=this._stack,n=t.findIndex(t=>t.id===e);n>-1&&t.splice(n,1)}}function Fd(e,t){return e&&t&&e.priority==t.priority&&Ud(e.classes)==Ud(t.classes)}function Hd(e,t){return e.priority>t.priority||!(e.priority<t.priority)&&Ud(e.classes)>Ud(t.classes)}function Ud(e){return Array.isArray(e)?e.sort().join(","):e}xn(Bd,fn);n(46);const Wd=Sl("px"),qd=or.document.body;class $d extends kl{constructor(e){super(e);const t=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("position","arrow_nw"),this.set("isVisible",!1),this.set("withArrow",!0),this.set("class"),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-panel",t.to("position",e=>"ck-balloon-panel_"+e),t.if("isVisible","ck-balloon-panel_visible"),t.if("withArrow","ck-balloon-panel_with-arrow"),t.to("class")],style:{top:t.to("top",Wd),left:t.to("left",Wd)}},children:this.content})}show(){this.isVisible=!0}hide(){this.isVisible=!1}attachTo(e){this.show();const t=$d.defaultPositions,n=Object.assign({},{element:this.element,positions:[t.southArrowNorth,t.southArrowNorthMiddleWest,t.southArrowNorthMiddleEast,t.southArrowNorthWest,t.southArrowNorthEast,t.northArrowSouth,t.northArrowSouthMiddleWest,t.northArrowSouthMiddleEast,t.northArrowSouthWest,t.northArrowSouthEast],limiter:qd,fitInViewport:!0},e),i=$d._getOptimalPosition(n),o=parseInt(i.left),r=parseInt(i.top),s=i.name;Object.assign(this,{top:r,left:o,position:s})}pin(e){this.unpin(),this._pinWhenIsVisibleCallback=()=>{this.isVisible?this._startPinning(e):this._stopPinning()},this._startPinning(e),this.listenTo(this,"change:isVisible",this._pinWhenIsVisibleCallback)}unpin(){this._pinWhenIsVisibleCallback&&(this._stopPinning(),this.stopListening(this,"change:isVisible",this._pinWhenIsVisibleCallback),this._pinWhenIsVisibleCallback=null,this.hide())}_startPinning(e){this.attachTo(e);const t=Gd(e.target),n=e.limiter?Gd(e.limiter):qd;this.listenTo(or.document,"scroll",(i,o)=>{const r=o.target,s=t&&r.contains(t),a=n&&r.contains(n);!s&&!a&&t&&n||this.attachTo(e)},{useCapture:!0}),this.listenTo(or.window,"resize",()=>{this.attachTo(e)})}_stopPinning(){this.stopListening(or.document,"scroll"),this.stopListening(or.window,"resize")}}function Gd(e){return nn(e)?e:es(e)?e.commonAncestorContainer:"function"==typeof e?Gd(e()):null}function Yd(e,t){return e.top-t.height-$d.arrowVerticalOffset}function Kd(e){return e.bottom+$d.arrowVerticalOffset}$d.arrowHorizontalOffset=25,$d.arrowVerticalOffset=10,$d._getOptimalPosition=Dl,$d.defaultPositions={northWestArrowSouthWest:(e,t)=>({top:Yd(e,t),left:e.left-$d.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouthMiddleWest:(e,t)=>({top:Yd(e,t),left:e.left-.25*t.width-$d.arrowHorizontalOffset,name:"arrow_smw"}),northWestArrowSouth:(e,t)=>({top:Yd(e,t),left:e.left-t.width/2,name:"arrow_s"}),northWestArrowSouthMiddleEast:(e,t)=>({top:Yd(e,t),left:e.left-.75*t.width+$d.arrowHorizontalOffset,name:"arrow_sme"}),northWestArrowSouthEast:(e,t)=>({top:Yd(e,t),left:e.left-t.width+$d.arrowHorizontalOffset,name:"arrow_se"}),northArrowSouthWest:(e,t)=>({top:Yd(e,t),left:e.left+e.width/2-$d.arrowHorizontalOffset,name:"arrow_sw"}),northArrowSouthMiddleWest:(e,t)=>({top:Yd(e,t),left:e.left+e.width/2-.25*t.width-$d.arrowHorizontalOffset,name:"arrow_smw"}),northArrowSouth:(e,t)=>({top:Yd(e,t),left:e.left+e.width/2-t.width/2,name:"arrow_s"}),northArrowSouthMiddleEast:(e,t)=>({top:Yd(e,t),left:e.left+e.width/2-.75*t.width+$d.arrowHorizontalOffset,name:"arrow_sme"}),northArrowSouthEast:(e,t)=>({top:Yd(e,t),left:e.left+e.width/2-t.width+$d.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouthWest:(e,t)=>({top:Yd(e,t),left:e.right-$d.arrowHorizontalOffset,name:"arrow_sw"}),northEastArrowSouthMiddleWest:(e,t)=>({top:Yd(e,t),left:e.right-.25*t.width-$d.arrowHorizontalOffset,name:"arrow_smw"}),northEastArrowSouth:(e,t)=>({top:Yd(e,t),left:e.right-t.width/2,name:"arrow_s"}),northEastArrowSouthMiddleEast:(e,t)=>({top:Yd(e,t),left:e.right-.75*t.width+$d.arrowHorizontalOffset,name:"arrow_sme"}),northEastArrowSouthEast:(e,t)=>({top:Yd(e,t),left:e.right-t.width+$d.arrowHorizontalOffset,name:"arrow_se"}),southWestArrowNorthWest:(e,t)=>({top:Kd(e),left:e.left-$d.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorthMiddleWest:(e,t)=>({top:Kd(e),left:e.left-.25*t.width-$d.arrowHorizontalOffset,name:"arrow_nmw"}),southWestArrowNorth:(e,t)=>({top:Kd(e),left:e.left-t.width/2,name:"arrow_n"}),southWestArrowNorthMiddleEast:(e,t)=>({top:Kd(e),left:e.left-.75*t.width+$d.arrowHorizontalOffset,name:"arrow_nme"}),southWestArrowNorthEast:(e,t)=>({top:Kd(e),left:e.left-t.width+$d.arrowHorizontalOffset,name:"arrow_ne"}),southArrowNorthWest:(e,t)=>({top:Kd(e),left:e.left+e.width/2-$d.arrowHorizontalOffset,name:"arrow_nw"}),southArrowNorthMiddleWest:(e,t)=>({top:Kd(e),left:e.left+e.width/2-.25*t.width-$d.arrowHorizontalOffset,name:"arrow_nmw"}),southArrowNorth:(e,t)=>({top:Kd(e),left:e.left+e.width/2-t.width/2,name:"arrow_n"}),southArrowNorthMiddleEast:(e,t)=>({top:Kd(e),left:e.left+e.width/2-.75*t.width+$d.arrowHorizontalOffset,name:"arrow_nme"}),southArrowNorthEast:(e,t)=>({top:Kd(e),left:e.left+e.width/2-t.width+$d.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorthWest:(e,t)=>({top:Kd(e),left:e.right-$d.arrowHorizontalOffset,name:"arrow_nw"}),southEastArrowNorthMiddleWest:(e,t)=>({top:Kd(e),left:e.right-.25*t.width-$d.arrowHorizontalOffset,name:"arrow_nmw"}),southEastArrowNorth:(e,t)=>({top:Kd(e),left:e.right-t.width/2,name:"arrow_n"}),southEastArrowNorthMiddleEast:(e,t)=>({top:Kd(e),left:e.right-.75*t.width+$d.arrowHorizontalOffset,name:"arrow_nme"}),southEastArrowNorthEast:(e,t)=>({top:Kd(e),left:e.right-t.width+$d.arrowHorizontalOffset,name:"arrow_ne"})};function Qd(e,t,n){return e&&Zd(e)&&!n.isInline(t)}function Jd(e){return e.getAttribute("widget-type-around")}function Zd(e){return!!e.is("element")&&!!e.getCustomProperty("widget")}function Xd(e,t,n={}){if(!e.is("containerElement"))throw new hn.b("widget-to-widget-wrong-element-type: The element passed to toWidget() must be a container element instance.",null,{element:e});return t.setAttribute("contenteditable","false",e),t.addClass("ck-widget",e),t.setCustomProperty("widget",!0,e),e.getFillerOffset=ru,n.label&&function(e,t,n){n.setCustomProperty("widgetLabel",t,e)}(e,n.label,t),n.hasSelectionHandle&&function(e,t){const n=t.createUIElement("div",{class:"ck ck-widget__selection-handle"},(function(e){const t=this.toDomElement(e),n=new Fl;return n.set("content",'<svg viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M4 0v1H1v3H0V.5A.5.5 0 0 1 .5 0H4zm8 0h3.5a.5.5 0 0 1 .5.5V4h-1V1h-3V0zM4 16H.5a.5.5 0 0 1-.5-.5V12h1v3h3v1zm8 0v-1h3v-3h1v3.5a.5.5 0 0 1-.5.5H12z"/><path fill-opacity=".256" d="M1 1h14v14H1z"/><g class="ck-icon__selected-indicator"><path d="M7 0h2v1H7V0zM0 7h1v2H0V7zm15 0h1v2h-1V7zm-8 8h2v1H7v-1z"/><path fill-opacity=".254" d="M1 1h14v14H1z"/></g></svg>'),n.render(),t.appendChild(n.element),t}));t.insert(t.createPositionAt(e,0),n),t.addClass(["ck-widget_with-selection-handle"],e)}(e,t),eu(e,t,(e,t,n)=>n.addClass(i(t.classes),e),(e,t,n)=>n.removeClass(i(t.classes),e)),e;function i(e){return Array.isArray(e)?e:[e]}}function eu(e,t,n,i){const o=new Bd;o.on("change:top",(t,o)=>{o.oldDescriptor&&i(e,o.oldDescriptor,o.writer),o.newDescriptor&&n(e,o.newDescriptor,o.writer)}),t.setCustomProperty("addHighlight",(e,t,n)=>o.add(t,n),e),t.setCustomProperty("removeHighlight",(e,t,n)=>o.remove(t,n),e)}function tu(e){const t=e.getCustomProperty("widgetLabel");return t?"function"==typeof t?t():t:""}function nu(e,t){return t.addClass(["ck-editor__editable","ck-editor__nested-editable"],e),t.setAttribute("contenteditable",e.isReadOnly?"false":"true",e),e.on("change:isReadOnly",(n,i,o)=>{t.setAttribute("contenteditable",o?"false":"true",e)}),e.on("change:isFocused",(n,i,o)=>{o?t.addClass("ck-editor__nested-editable_focused",e):t.removeClass("ck-editor__nested-editable_focused",e)}),e}function iu(e,t){const n=e.getSelectedElement();if(n){const i=Jd(e);if(i)return t.createPositionAt(n,i);if(t.schema.isBlock(n))return t.createPositionAfter(n)}const i=e.getSelectedBlocks().next().value;if(i){if(i.isEmpty)return t.createPositionAt(i,0);const n=t.createPositionAfter(i);return e.focus.isTouching(n)?n:t.createPositionBefore(i)}return e.focus}function ou(e,t){const n=new is(or.window),i=n.getIntersection(e),o=t.height+$d.arrowVerticalOffset;if(e.top-o>n.top||e.bottom+o<n.bottom)return null;const r=i||e,s=r.left+r.width/2-t.width/2;return{top:Math.max(e.top,0)+$d.arrowVerticalOffset,left:s,name:"arrow_n"}}function ru(){return null}function su(e){return!!e.getCustomProperty("image")&&Zd(e)}function au(e){const t=e.getSelectedElement();return t&&su(t)?t:null}function cu(e){return!!e&&e.is("element","image")}function lu(e,t,n={}){const i=e.createElement("image",n),o=iu(t.document.selection,t);t.insertContent(i,o),i.parent&&e.setSelection(i,"on")}function du(e){const t=e.schema,n=e.document.selection;return function(e,t,n){const i=function(e,t){const n=iu(e,t).parent;if(n.isEmpty&&!n.is("element","$root"))return n.parent;return n}(e,n);return t.checkChild(i,"image")}(n,t,e)&&!function(e,t){const n=e.getSelectedElement();return n&&t.isObject(n)}(n,t)&&function(e){return[...e.focus.getAncestors()].every(e=>!e.is("element","image"))}(n)}function uu(e){const t=[];for(const n of e.getChildren())t.push(n),n.is("element")&&t.push(...n.getChildren());return t.find(e=>e.is("element","img"))}function hu(e){return n=>{n.on(`attribute:${e}:image`,t)};function t(e,t,n){if(!n.consumable.consume(t.item,e.name))return;const i=n.writer,o=uu(n.mapper.toViewElement(t.item));i.setAttribute(t.attributeKey,t.attributeNewValue||"",o)}}class mu extends cd{refresh(){this.isEnabled=du(this.editor.model)}execute(e){const t=this.editor.model;t.change(n=>{const i=Array.isArray(e.source)?e.source:[e.source];for(const e of i)lu(n,t,{src:e})})}}class gu extends sd{static get pluginName(){return"ImageEditing"}init(){const e=this.editor,t=e.model.schema,n=e.t,i=e.conversion;e.editing.view.addObserver(jd),t.register("image",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["alt","src","srcset"]}),i.for("dataDowncast").elementToElement({model:"image",view:(e,t)=>fu(t)}),i.for("editingDowncast").elementToElement({model:"image",view:(e,t)=>{return i=fu(t),o=t,r=n("image widget"),o.setCustomProperty("image",!0,i),Xd(i,o,{label:function(){const e=uu(i).getAttribute("alt");return e?`${e} ${r}`:r}});var i,o,r}}),i.for("downcast").add(hu("src")).add(hu("alt")).add(function(){return t=>{t.on("attribute:srcset:image",e)};function e(e,t,n){if(!n.consumable.consume(t.item,e.name))return;const i=n.writer,o=uu(n.mapper.toViewElement(t.item));if(null===t.attributeNewValue){const e=t.attributeOldValue;e.data&&(i.removeAttribute("srcset",o),i.removeAttribute("sizes",o),e.width&&i.removeAttribute("width",o))}else{const e=t.attributeNewValue;e.data&&(i.setAttribute("srcset",e.data,o),i.setAttribute("sizes","100vw",o),e.width&&i.setAttribute("width",e.width,o))}}}()),i.for("upcast").elementToElement({view:{name:"img",attributes:{src:!0}},model:(e,t)=>t.createElement("image",{src:e.getAttribute("src")})}).attributeToAttribute({view:{name:"img",key:"alt"},model:"alt"}).attributeToAttribute({view:{name:"img",key:"srcset"},model:{key:"srcset",value:e=>{const t={data:e.getAttribute("srcset")};return e.hasAttribute("width")&&(t.width=e.getAttribute("width")),t}}}).add(function(){return t=>{t.on("element:figure",e)};function e(e,t,n){if(!n.consumable.test(t.viewItem,{name:!0,classes:"image"}))return;const i=uu(t.viewItem);if(!i||!i.hasAttribute("src")||!n.consumable.test(i,{name:!0}))return;const o=n.convertItem(i,t.modelCursor),r=dd(o.modelRange.getItems());r&&(n.convertChildren(t.viewItem,n.writer.createPositionAt(r,0)),t.modelRange=o.modelRange,t.modelCursor=o.modelCursor)}}()),e.commands.add("imageInsert",new mu(e))}}function fu(e){const t=e.createEmptyElement("img"),n=e.createContainerElement("figure",{class:"image"});return e.insert(e.createPositionAt(n,0),t),n}class pu extends Lr{constructor(e){super(e),this.domEventType="mousedown"}onDomEvent(e){this.fire(e.type,e)}}class bu extends sd{static get pluginName(){return"TwoStepCaretMovement"}constructor(e){super(e),this.attributes=new Set,this._overrideUid=null}init(){const e=this.editor,t=e.model,n=e.editing.view,i=e.locale,o=t.document.selection;this.listenTo(n.document,"keydown",(e,t)=>{if(!o.isCollapsed)return;if(t.shiftKey||t.altKey||t.ctrlKey)return;const n=t.keyCode==fo.arrowright,r=t.keyCode==fo.arrowleft;if(!n&&!r)return;const s=i.contentLanguageDirection;let a=!1;a="ltr"===s&&n||"rtl"===s&&r?this._handleForwardMovement(t):this._handleBackwardMovement(t),!0===a&&e.stop()},{priority:un.get("high")+1}),this._isNextGravityRestorationSkipped=!1,this.listenTo(o,"change:range",(e,t)=>{this._isNextGravityRestorationSkipped?this._isNextGravityRestorationSkipped=!1:this._isGravityOverridden&&(!t.directChange&&vu(o.getFirstPosition(),this.attributes)||this._restoreGravity())})}registerAttribute(e){this.attributes.add(e)}_handleForwardMovement(e){const t=this.attributes,n=this.editor.model.document.selection,i=n.getFirstPosition();return!this._isGravityOverridden&&((!i.isAtStart||!wu(n,t))&&(vu(i,t)?(_u(e),this._overrideGravity(),!0):void 0))}_handleBackwardMovement(e){const t=this.attributes,n=this.editor.model,i=n.document.selection,o=i.getFirstPosition();return this._isGravityOverridden?(_u(e),this._restoreGravity(),ku(n,t,o),!0):o.isAtStart?!!wu(i,t)&&(_u(e),ku(n,t,o),!0):function(e,t){return vu(e.getShiftedBy(-1),t)}(o,t)?o.isAtEnd&&!wu(i,t)&&vu(o,t)?(_u(e),ku(n,t,o),!0):(this._isNextGravityRestorationSkipped=!0,this._overrideGravity(),!1):void 0}get _isGravityOverridden(){return!!this._overrideUid}_overrideGravity(){this._overrideUid=this.editor.model.change(e=>e.overrideSelectionGravity())}_restoreGravity(){this.editor.model.change(e=>{e.restoreSelectionGravity(this._overrideUid),this._overrideUid=null})}}function wu(e,t){for(const n of t)if(e.hasAttribute(n))return!0;return!1}function ku(e,t,n){const i=n.nodeBefore;e.change(e=>{i?e.setSelectionAttribute(i.getAttributes()):e.removeSelectionAttribute(t)})}function _u(e){e.preventDefault()}function vu(e,t){const{nodeBefore:n,nodeAfter:i}=e;for(const e of t){const t=n?n.getAttribute(e):void 0;if((i?i.getAttribute(e):void 0)!==t)return!0}return!1}function yu(e,t,n,i){return i.createRange(xu(e,t,n,!0,i),xu(e,t,n,!1,i))}function xu(e,t,n,i,o){let r=e.textNode||(i?e.nodeBefore:e.nodeAfter),s=null;for(;r&&r.getAttribute(t)==n;)s=r,r=i?r.previousSibling:r.nextSibling;return s?o.createPositionAt(s,i?"before":"after"):e}function Au(e,t,n,i){const o=e.editing.view,r=new Set;o.document.registerPostFixer(o=>{const s=e.model.document.selection;let a=!1;if(s.hasAttribute(t)){const c=yu(s.getFirstPosition(),t,s.getAttribute(t),e.model),l=e.editing.mapper.toViewRange(c);for(const e of l.getItems())e.is("element",n)&&!e.hasClass(i)&&(o.addClass(i,e),r.add(e),a=!0)}return a}),e.conversion.for("editingDowncast").add(e=>{function t(){o.change(e=>{for(const t of r.values())e.removeClass(i,t),r.delete(t)})}e.on("insert",t,{priority:"highest"}),e.on("remove",t,{priority:"highest"}),e.on("attribute",t,{priority:"highest"}),e.on("selection",t,{priority:"highest"})})}class Cu{constructor(e,t=20){this.model=e,this.size=0,this.limit=t,this.isLocked=!1,this._changeCallback=(e,t)=>{"transparent"!=t.type&&t!==this._batch&&this._reset(!0)},this._selectionChangeCallback=()=>{this._reset()},this.model.document.on("change",this._changeCallback),this.model.document.selection.on("change:range",this._selectionChangeCallback),this.model.document.selection.on("change:attribute",this._selectionChangeCallback)}get batch(){return this._batch||(this._batch=this.model.createBatch()),this._batch}input(e){this.size+=e,this.size>=this.limit&&this._reset(!0)}lock(){this.isLocked=!0}unlock(){this.isLocked=!1}destroy(){this.model.document.off("change",this._changeCallback),this.model.document.selection.off("change:range",this._selectionChangeCallback),this.model.document.selection.off("change:attribute",this._selectionChangeCallback)}_reset(e){this.isLocked&&!e||(this._batch=null,this.size=0)}}class Tu extends cd{constructor(e,t){super(e),this._buffer=new Cu(e.model,t),this._batches=new WeakSet}get buffer(){return this._buffer}destroy(){super.destroy(),this._buffer.destroy()}execute(e={}){const t=this.editor.model,n=t.document,i=e.text||"",o=i.length,r=e.range?t.createSelection(e.range):n.selection,s=e.resultRange;t.enqueueChange(this._buffer.batch,e=>{this._buffer.lock(),this._batches.add(this._buffer.batch),t.deleteContent(r),i&&t.insertContent(e.createText(i,n.selection.getAttributes()),r),s?e.setSelection(s):r.is("documentSelection")||e.setSelection(r),this._buffer.unlock(),this._buffer.input(o)})}}const Su=[po("arrowUp"),po("arrowRight"),po("arrowDown"),po("arrowLeft"),9,16,17,18,19,20,27,33,34,35,36,45,91,93,144,145,173,174,175,176,177,178,179,255];for(let e=112;e<=135;e++)Su.push(e);function Pu(e){return!!e.ctrlKey||Su.includes(e.keyCode)}function Eu(e){if(e.newChildren.length-e.oldChildren.length!=1)return;const t=function(e,t){const n=[];let i,o=0;return e.forEach(e=>{"equal"==e?(r(),o++):"insert"==e?(s("insert")?i.values.push(t[o]):(r(),i={type:"insert",index:o,values:[t[o]]}),o++):s("delete")?i.howMany++:(r(),i={type:"delete",index:o,howMany:1})}),r(),n;function r(){i&&(n.push(i),i=null)}function s(e){return i&&i.type==e}}(Qo(e.oldChildren,e.newChildren,Mu),e.newChildren);if(t.length>1)return;const n=t[0];return n.values[0]&&n.values[0].is("$text")?n:void 0}function Mu(e,t){return e&&e.is("$text")&&t&&t.is("$text")?e.data===t.data:e===t}class Iu{constructor(e){this.editor=e,this.editing=this.editor.editing}handle(e,t){if(function(e){if(0==e.length)return!1;for(const t of e)if("children"===t.type&&!Eu(t))return!0;return!1}(e))this._handleContainerChildrenMutations(e,t);else for(const n of e)this._handleTextMutation(n,t),this._handleTextNodeInsertion(n)}_handleContainerChildrenMutations(e,t){const n=function(e){const t=e.map(e=>e.node).reduce((e,t)=>e.getCommonAncestor(t,{includeSelf:!0}));if(!t)return;return t.getAncestors({includeSelf:!0,parentFirst:!0}).find(e=>e.is("containerElement")||e.is("rootElement"))}(e);if(!n)return;const i=this.editor.editing.view.domConverter.mapViewToDom(n),o=new cr(this.editor.editing.view.document),r=this.editor.data.toModel(o.domToView(i)).getChild(0),s=this.editor.editing.mapper.toModelElement(n);if(!s)return;const a=Array.from(r.getChildren()),c=Array.from(s.getChildren()),l=a[a.length-1],d=c[c.length-1],u=l&&l.is("element","softBreak"),h=d&&!d.is("element","softBreak");u&&h&&a.pop();const m=this.editor.model.schema;if(!Nu(a,m)||!Nu(c,m))return;const g=a.map(e=>e.is("$text")?e.data:"@").join("").replace(/\u00A0/g," "),f=c.map(e=>e.is("$text")?e.data:"@").join("").replace(/\u00A0/g," ");if(f===g)return;const p=Qo(f,g),{firstChangeAt:b,insertions:w,deletions:k}=Ru(p);let _=null;t&&(_=this.editing.mapper.toModelRange(t.getFirstRange()));const v=g.substr(b,w),y=this.editor.model.createRange(this.editor.model.createPositionAt(s,b),this.editor.model.createPositionAt(s,b+k));this.editor.execute("input",{text:v,range:y,resultRange:_})}_handleTextMutation(e,t){if("text"!=e.type)return;const n=e.newText.replace(/\u00A0/g," "),i=e.oldText.replace(/\u00A0/g," ");if(i===n)return;const o=Qo(i,n),{firstChangeAt:r,insertions:s,deletions:a}=Ru(o);let c=null;t&&(c=this.editing.mapper.toModelRange(t.getFirstRange()));const l=this.editing.view.createPositionAt(e.node,r),d=this.editing.mapper.toModelPosition(l),u=this.editor.model.createRange(d,d.getShiftedBy(a)),h=n.substr(r,s);this.editor.execute("input",{text:h,range:u,resultRange:c})}_handleTextNodeInsertion(e){if("children"!=e.type)return;const t=Eu(e),n=this.editing.view.createPositionAt(e.node,t.index),i=this.editing.mapper.toModelPosition(n),o=t.values[0].data;this.editor.execute("input",{text:o.replace(/\u00A0/g," "),range:this.editor.model.createRange(i)})}}function Nu(e,t){return e.every(e=>t.isInline(e))}function Ru(e){let t=null,n=null;for(let i=0;i<e.length;i++){"equal"!=e[i]&&(t=null===t?i:t,n=i)}let i=0,o=0;for(let r=t;r<=n;r++)"insert"!=e[r]&&i++,"delete"!=e[r]&&o++;return{insertions:o,deletions:i,firstChangeAt:t}}class Ou extends sd{static get pluginName(){return"Input"}init(){const e=this.editor,t=new Tu(e,e.config.get("typing.undoStep")||20);e.commands.add("input",t),function(e){let t=null;const n=e.model,i=e.editing.view,o=e.commands.get("input");function r(e){const r=n.document,a=i.document.isComposing,c=t&&t.isEqual(r.selection);t=null,o.isEnabled&&(Pu(e)||r.selection.isCollapsed||a&&229===e.keyCode||!a&&229===e.keyCode&&c||s())}function s(){const e=o.buffer;e.lock();const t=e.batch;o._batches.add(t),n.enqueueChange(t,()=>{n.deleteContent(n.document.selection)}),e.unlock()}ho.isAndroid?i.document.on("beforeinput",(e,t)=>r(t),{priority:"lowest"}):i.document.on("keydown",(e,t)=>r(t),{priority:"lowest"}),i.document.on("compositionstart",(function(){const e=n.document,t=1!==e.selection.rangeCount||e.selection.getFirstRange().isFlat;if(e.selection.isCollapsed||t)return;s()}),{priority:"lowest"}),i.document.on("compositionend",()=>{t=n.createSelection(n.document.selection)},{priority:"lowest"})}(e),function(e){e.editing.view.document.on("mutations",(t,n,i)=>{new Iu(e).handle(n,i)})}(e)}isInput(e){return this.editor.commands.get("input")._batches.has(e)}}class zu{constructor(e){this.files=function(e){const t=e.files?Array.from(e.files):[],n=e.items?Array.from(e.items):[];if(t.length)return t;return n.filter(e=>"file"===e.kind).map(e=>e.getAsFile())}(e),this._native=e}get types(){return this._native.types}getData(e){return this._native.getData(e)}setData(e,t){this._native.setData(e,t)}}class Du extends Lr{constructor(e){super(e);const t=this.document;function n(e,n){n.preventDefault();const i=n.dropRange?[n.dropRange]:Array.from(t.selection.getRanges()),o=new cn(t,"clipboardInput");t.fire(o,{dataTransfer:n.dataTransfer,targetRanges:i}),o.stop.called&&n.stopPropagation()}this.domEventType=["paste","copy","cut","drop","dragover"],this.listenTo(t,"paste",n,{priority:"low"}),this.listenTo(t,"drop",n,{priority:"low"})}onDomEvent(e){const t={dataTransfer:new zu(e.clipboardData?e.clipboardData:e.dataTransfer)};"drop"==e.type&&(t.dropRange=function(e,t){const n=t.target.ownerDocument,i=t.clientX,o=t.clientY;let r;n.caretRangeFromPoint&&n.caretRangeFromPoint(i,o)?r=n.caretRangeFromPoint(i,o):t.rangeParent&&(r=n.createRange(),r.setStart(t.rangeParent,t.rangeOffset),r.collapse(!0));return r?e.domConverter.domRangeToView(r):e.document.selection.getFirstRange()}(this.view,e)),this.fire(e.type,e,t)}}const Lu=["figcaption","li"];class Vu extends sd{static get pluginName(){return"Clipboard"}init(){const e=this.editor,t=e.model.document,n=e.editing.view,i=n.document;function o(n,o){const r=o.dataTransfer;o.preventDefault();const s=e.data.toView(e.model.getSelectedContent(t.selection));i.fire("clipboardOutput",{dataTransfer:r,content:s,method:n.name})}this._htmlDataProcessor=new jc(i),n.addObserver(Du),this.listenTo(i,"clipboardInput",t=>{e.isReadOnly&&t.stop()},{priority:"highest"}),this.listenTo(i,"clipboardInput",(e,t)=>{const i=t.dataTransfer;let o="";var r;i.getData("text/html")?o=function(e){return e.replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g,(e,t)=>1==t.length?" ":t)}(i.getData("text/html")):i.getData("text/plain")&&((r=(r=i.getData("text/plain")).replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/\n/g,"</p><p>").replace(/^\s/,"&nbsp;").replace(/\s$/,"&nbsp;").replace(/\s\s/g," &nbsp;")).indexOf("</p><p>")>-1&&(r=`<p>${r}</p>`),o=r),o=this._htmlDataProcessor.toView(o);const s=new cn(this,"inputTransformation");this.fire(s,{content:o,dataTransfer:i}),s.stop.called&&e.stop(),n.scrollToTheSelection()},{priority:"low"}),this.listenTo(this,"inputTransformation",(e,t)=>{if(!t.content.isEmpty){const n=this.editor.data,i=this.editor.model,o=n.toModel(t.content,"$clipboardHolder");if(0==o.childCount)return;i.insertContent(o),e.stop()}},{priority:"low"}),this.listenTo(i,"copy",o,{priority:"low"}),this.listenTo(i,"cut",(t,n)=>{e.isReadOnly?n.preventDefault():o(t,n)},{priority:"low"}),this.listenTo(i,"clipboardOutput",(n,i)=>{i.content.isEmpty||(i.dataTransfer.setData("text/html",this._htmlDataProcessor.toData(i.content)),i.dataTransfer.setData("text/plain",function e(t){let n="";if(t.is("$text")||t.is("$textProxy"))n=t.data;else if(t.is("element","img")&&t.hasAttribute("alt"))n=t.getAttribute("alt");else{let i=null;for(const o of t.getChildren()){const t=e(o);i&&(i.is("containerElement")||o.is("containerElement"))&&(Lu.includes(i.name)||Lu.includes(o.name)?n+="\n":n+="\n\n"),n+=t,i=o}}return n}(i.content))),"cut"==i.method&&e.model.deleteContent(t.selection)},{priority:"low"})}}class ju{constructor(){this._definitions=new Set}get length(){return this._definitions.size}add(e){Array.isArray(e)?e.forEach(e=>this._definitions.add(e)):this._definitions.add(e)}getDispatcher(){return e=>{e.on("attribute:linkHref",(e,t,n)=>{if(!n.consumable.test(t.item,"attribute:linkHref"))return;const i=n.writer,o=i.document.selection;for(const e of this._definitions){const r=i.createAttributeElement("a",e.attributes,{priority:5});i.setCustomProperty("link",!0,r),e.callback(t.attributeNewValue)?t.item.is("selection")?i.wrap(o.getFirstRange(),r):i.wrap(n.mapper.toViewRange(t.range),r):i.unwrap(n.mapper.toViewRange(t.range),r)}},{priority:"high"})}}getDispatcherForLinkedImage(){return e=>{e.on("attribute:linkHref:image",(e,t,n)=>{const i=n.mapper.toViewElement(t.item),o=Array.from(i.getChildren()).find(e=>"a"===e.name);for(const e of this._definitions){const i=Dn(e.attributes);if(e.callback(t.attributeNewValue))for(const[e,t]of i)"class"===e?n.writer.addClass(t,o):n.writer.setAttribute(e,t,o);else for(const[e,t]of i)"class"===e?n.writer.removeClass(t,o):n.writer.removeAttribute(e,o)}})}}}var Bu=function(e,t,n){var i=e.length;return n=void 0===n?i:n,!t&&n>=i?e:ii(e,t,n)},Fu=RegExp("[\\u200d\\ud800-\\udfff\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff\\ufe0e\\ufe0f]");var Hu=function(e){return Fu.test(e)};var Uu=function(e){return e.split("")},Wu="[\\ud800-\\udfff]",qu="[\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff]",$u="\\ud83c[\\udffb-\\udfff]",Gu="[^\\ud800-\\udfff]",Yu="(?:\\ud83c[\\udde6-\\uddff]){2}",Ku="[\\ud800-\\udbff][\\udc00-\\udfff]",Qu="(?:"+qu+"|"+$u+")"+"?",Ju="[\\ufe0e\\ufe0f]?"+Qu+("(?:\\u200d(?:"+[Gu,Yu,Ku].join("|")+")[\\ufe0e\\ufe0f]?"+Qu+")*"),Zu="(?:"+[Gu+qu+"?",qu,Yu,Ku,Wu].join("|")+")",Xu=RegExp($u+"(?="+$u+")|"+Zu+Ju,"g");var eh=function(e){return e.match(Xu)||[]};var th=function(e){return Hu(e)?eh(e):Uu(e)};var nh=function(e){return function(t){t=Zn(t);var n=Hu(t)?th(t):void 0,i=n?n[0]:t.charAt(0),o=n?Bu(n,1).join(""):t.slice(1);return i[e]()+o}}("toUpperCase");const ih=/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g,oh=/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i;function rh(e,t){const n=t.createAttributeElement("a",{href:e},{priority:5});return t.setCustomProperty("link",!0,n),n}function sh(e){return function(e){return e.replace(ih,"").match(oh)}(e=String(e))?e:"#"}function ah(e,t){return!!e&&(e.is("element","image")&&t.checkAttribute("image","linkHref"))}class ch extends cd{constructor(e){super(e),this.manualDecorators=new An,this.automaticDecorators=new ju}restoreManualDecoratorStates(){for(const e of this.manualDecorators)e.value=this._getDecoratorStateFromModel(e.id)}refresh(){const e=this.editor.model,t=e.document,n=dd(t.selection.getSelectedBlocks());ah(n,e.schema)?(this.value=n.getAttribute("linkHref"),this.isEnabled=e.schema.checkAttribute(n,"linkHref")):(this.value=t.selection.getAttribute("linkHref"),this.isEnabled=e.schema.checkAttributeInSelection(t.selection,"linkHref"));for(const e of this.manualDecorators)e.value=this._getDecoratorStateFromModel(e.id)}execute(e,t={}){const n=this.editor.model,i=n.document.selection,o=[],r=[];for(const e in t)t[e]?o.push(e):r.push(e);n.change(t=>{if(i.isCollapsed){const s=i.getFirstPosition();if(i.hasAttribute("linkHref")){const a=yu(s,"linkHref",i.getAttribute("linkHref"),n);t.setAttribute("linkHref",e,a),o.forEach(e=>{t.setAttribute(e,!0,a)}),r.forEach(e=>{t.removeAttribute(e,a)}),t.setSelection(t.createPositionAfter(a.end.nodeBefore))}else if(""!==e){const r=Dn(i.getAttributes());r.set("linkHref",e),o.forEach(e=>{r.set(e,!0)});const a=t.createText(e,r);n.insertContent(a,s),t.setSelection(t.createPositionAfter(a))}["linkHref",...o,...r].forEach(e=>{t.removeSelectionAttribute(e)})}else{const s=n.schema.getValidRanges(i.getRanges(),"linkHref"),a=[];for(const e of i.getSelectedBlocks())n.schema.checkAttribute(e,"linkHref")&&a.push(t.createRangeOn(e));const c=a.slice();for(const e of s)this._isRangeToUpdate(e,a)&&c.push(e);for(const n of c)t.setAttribute("linkHref",e,n),o.forEach(e=>{t.setAttribute(e,!0,n)}),r.forEach(e=>{t.removeAttribute(e,n)})}})}_getDecoratorStateFromModel(e){const t=this.editor.model,n=t.document,i=dd(n.selection.getSelectedBlocks());return ah(i,t.schema)?i.getAttribute(e):n.selection.getAttribute(e)}_isRangeToUpdate(e,t){for(const n of t)if(n.containsRange(e))return!1;return!0}}class lh extends cd{refresh(){const e=this.editor.model,t=e.document,n=dd(t.selection.getSelectedBlocks());ah(n,e.schema)?this.isEnabled=e.schema.checkAttribute(n,"linkHref"):this.isEnabled=e.schema.checkAttributeInSelection(t.selection,"linkHref")}execute(){const e=this.editor,t=this.editor.model,n=t.document.selection,i=e.commands.get("link");t.change(e=>{const o=n.isCollapsed?[yu(n.getFirstPosition(),"linkHref",n.getAttribute("linkHref"),t)]:n.getRanges();for(const t of o)if(e.removeAttribute("linkHref",t),i)for(const n of i.manualDecorators)e.removeAttribute(n.id,t)})}}class dh{constructor({id:e,label:t,attributes:n,defaultValue:i}){this.id=e,this.set("value"),this.defaultValue=i,this.label=t,this.attributes=n}}xn(dh,Hi);n(48);const uh=/^(https?:)?\/\//;class hh extends sd{static get pluginName(){return"LinkEditing"}static get requires(){return[bu,Ou,Vu]}constructor(e){super(e),e.config.define("link",{addTargetToExternalLinks:!1})}init(){const e=this.editor;e.model.schema.extend("$text",{allowAttributes:"linkHref"}),e.conversion.for("dataDowncast").attributeToElement({model:"linkHref",view:rh}),e.conversion.for("editingDowncast").attributeToElement({model:"linkHref",view:(e,t)=>rh(sh(e),t)}),e.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:{href:!0}},model:{key:"linkHref",value:e=>e.getAttribute("href")}}),e.commands.add("link",new ch(e)),e.commands.add("unlink",new lh(e));const t=function(e,t){const n={"Open in a new tab":e("Open in a new tab"),Downloadable:e("Downloadable")};return t.forEach(e=>(e.label&&n[e.label]&&(e.label=n[e.label]),e)),t}(e.t,function(e){const t=[];if(e)for(const[n,i]of Object.entries(e)){const e=Object.assign({},i,{id:"link"+nh(n)});t.push(e)}return t}(e.config.get("link.decorators")));this._enableAutomaticDecorators(t.filter(e=>"automatic"===e.mode)),this._enableManualDecorators(t.filter(e=>"manual"===e.mode));e.plugins.get(bu).registerAttribute("linkHref"),Au(e,"linkHref","a","ck-link_selected"),this._enableInsertContentSelectionAttributesFixer(),this._enableClickingAfterLink(),this._enableTypingOverLink(),this._handleDeleteContentAfterLink()}_enableAutomaticDecorators(e){const t=this.editor,n=t.commands.get("link").automaticDecorators;t.config.get("link.addTargetToExternalLinks")&&n.add({id:"linkIsExternal",mode:"automatic",callback:e=>uh.test(e),attributes:{target:"_blank",rel:"noopener noreferrer"}}),n.add(e),n.length&&t.conversion.for("downcast").add(n.getDispatcher())}_enableManualDecorators(e){if(!e.length)return;const t=this.editor,n=t.commands.get("link").manualDecorators;e.forEach(e=>{t.model.schema.extend("$text",{allowAttributes:e.id}),n.add(new dh(e)),t.conversion.for("downcast").attributeToElement({model:e.id,view:(t,i)=>{if(t){const t=n.get(e.id).attributes,o=i.createAttributeElement("a",t,{priority:5});return i.setCustomProperty("link",!0,o),o}}}),t.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:n.get(e.id).attributes},model:{key:e.id}})})}_enableInsertContentSelectionAttributesFixer(){const e=this.editor,t=e.model,n=t.document.selection,i=e.commands.get("link");this.listenTo(t,"insertContent",()=>{const e=n.anchor.nodeBefore,o=n.anchor.nodeAfter;n.hasAttribute("linkHref")&&e&&e.hasAttribute("linkHref")&&(o&&o.hasAttribute("linkHref")||t.change(e=>{mh(e,i.manualDecorators)}))},{priority:"low"})}_enableClickingAfterLink(){const e=this.editor,t=e.commands.get("link");e.editing.view.addObserver(pu);let n=!1;this.listenTo(e.editing.view.document,"mousedown",()=>{n=!0}),this.listenTo(e.editing.view.document,"selectionChange",()=>{if(!n)return;n=!1;const i=e.model.document.selection;if(!i.isCollapsed)return;if(!i.hasAttribute("linkHref"))return;const o=i.getFirstPosition(),r=yu(o,"linkHref",i.getAttribute("linkHref"),e.model);(o.isTouching(r.start)||o.isTouching(r.end))&&e.model.change(e=>{mh(e,t.manualDecorators)})})}_enableTypingOverLink(){const e=this.editor,t=e.editing.view;let n,i;this.listenTo(t.document,"delete",()=>{i=!0},{priority:"high"}),this.listenTo(e.model,"deleteContent",()=>{const t=e.model.document.selection;t.isCollapsed||(i?i=!1:gh(e)&&function(e){const t=e.document.selection,n=t.getFirstPosition(),i=t.getLastPosition(),o=n.nodeAfter;if(!o)return!1;if(!o.is("$text"))return!1;if(!o.hasAttribute("linkHref"))return!1;const r=i.textNode||i.nodeBefore;if(o===r)return!0;return yu(n,"linkHref",o.getAttribute("linkHref"),e).containsRange(e.createRange(n,i),!0)}(e.model)&&(n=t.getAttributes()))},{priority:"high"}),this.listenTo(e.model,"insertContent",(t,[o])=>{i=!1,gh(e)&&n&&(e.model.change(e=>{for(const[t,i]of n)e.setAttribute(t,i,o)}),n=null)},{priority:"high"})}_handleDeleteContentAfterLink(){const e=this.editor,t=e.model,n=t.document.selection,i=e.editing.view,o=e.commands.get("link");let r=!1,s=!1;this.listenTo(i.document,"delete",(e,t)=>{s=t.domEvent.keyCode===fo.backspace},{priority:"high"}),this.listenTo(t,"deleteContent",()=>{r=!1;const e=n.getFirstPosition(),i=n.getAttribute("linkHref");if(!i)return;const o=yu(e,"linkHref",i,t);r=o.containsPosition(e)||o.end.isEqual(e)},{priority:"high"}),this.listenTo(t,"deleteContent",()=>{s&&(s=!1,r||e.model.enqueueChange(e=>{mh(e,o.manualDecorators)}))},{priority:"low"})}}function mh(e,t){e.removeSelectionAttribute("linkHref");for(const n of t)e.removeSelectionAttribute(n.id)}function gh(e){return e.plugins.get("Input").isInput(e.model.change(e=>e.batch))}class fh{constructor(e){this.context=e}destroy(){this.stopListening()}static get isContextPlugin(){return!0}}xn(fh,Hi);class ph extends fh{static get pluginName(){return"Notification"}init(){this.on("show:warning",(e,t)=>{window.alert(t.message)},{priority:"lowest"})}showSuccess(e,t={}){this._showNotification({message:e,type:"success",namespace:t.namespace,title:t.title})}showInfo(e,t={}){this._showNotification({message:e,type:"info",namespace:t.namespace,title:t.title})}showWarning(e,t={}){this._showNotification({message:e,type:"warning",namespace:t.namespace,title:t.title})}_showNotification(e){const t="show:"+e.type+(e.namespace?":"+e.namespace:"");this.fire(t,{message:e.message,type:e.type,title:e.title||""})}}class bh extends cd{constructor(e){super(e),this.stopListening(this.editor.model.document,"change"),this.listenTo(this.editor.model.document,"change",()=>this.refresh(),{priority:"low"})}refresh(){const e=this.editor.commands.get("imageInsert"),t=this.editor.commands.get("link");this.isEnabled=e.isEnabled||t.isEnabled}execute(){const e=this.editor,t=this.editor.config.get("ckfinder.openerMethod")||"modal";if("popup"!=t&&"modal"!=t)throw new hn.b('ckfinder-unknown-openerMethod: The openerMethod config option must by "popup" or "modal".',e);const n=this.editor.config.get("ckfinder.options")||{};n.chooseFiles=!0;const i=n.onInit;n.language||(n.language=e.locale.uiLanguage),n.onInit=t=>{i&&i(t),t.on("files:choose",n=>{const i=n.data.files.toArray(),o=i.filter(e=>!e.isImage()),r=i.filter(e=>e.isImage());for(const t of o)e.execute("link",t.getUrl());const s=[];for(const e of r){const n=e.getUrl();s.push(n||t.request("file:getProxyUrl",{file:e}))}s.length&&wh(e,s)}),t.on("file:choose:resizedImage",t=>{const n=t.data.resizedUrl;if(n)wh(e,[n]);else{const t=e.plugins.get("Notification"),n=e.locale.t;t.showWarning(n("Could not obtain resized image URL."),{title:n("Selecting resized image failed"),namespace:"ckfinder"})}})},window.CKFinder[t](n)}}function wh(e,t){if(e.commands.get("imageInsert").isEnabled)e.execute("imageInsert",{source:t});else{const t=e.plugins.get("Notification"),n=e.locale.t;t.showWarning(n("Could not insert image at the current position."),{title:n("Inserting image failed"),namespace:"ckfinder"})}}class kh extends sd{static get pluginName(){return"CKFinderEditing"}static get requires(){return[ph,gu,hh]}init(){const e=this.editor;e.commands.add("ckfinder",new bh(e))}}class _h extends fh{static get pluginName(){return"PendingActions"}init(){this.set("hasAny",!1),this._actions=new An({idProperty:"_id"}),this._actions.delegate("add","remove").to(this)}add(e){if("string"!=typeof e)throw new hn.b("pendingactions-add-invalid-message: The message must be a string.",this);const t=Object.create(Hi);return t.set("message",e),this._actions.add(t),this.hasAny=!0,t}remove(e){this._actions.remove(e),this.hasAny=!!this._actions.length}get first(){return this._actions.get(0)}[Symbol.iterator](){return this._actions[Symbol.iterator]()}}class vh{constructor(){const e=new window.FileReader;this._reader=e,this._data=void 0,this.set("loaded",0),e.onprogress=e=>{this.loaded=e.loaded}}get error(){return this._reader.error}get data(){return this._data}read(e){const t=this._reader;return this.total=e.size,new Promise((n,i)=>{t.onload=()=>{const e=t.result;this._data=e,n(e)},t.onerror=()=>{i("error")},t.onabort=()=>{i("aborted")},this._reader.readAsDataURL(e)})}abort(){this._reader.abort()}}xn(vh,Hi);class yh extends sd{static get pluginName(){return"FileRepository"}static get requires(){return[_h]}init(){this.loaders=new An,this.loaders.on("add",()=>this._updatePendingAction()),this.loaders.on("remove",()=>this._updatePendingAction()),this._loadersMap=new Map,this._pendingAction=null,this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",(e,t)=>t?e/t*100:0)}getLoader(e){return this._loadersMap.get(e)||null}createLoader(e){if(!this.createUploadAdapter)return console.warn(Object(hn.a)("filerepository-no-upload-adapter: Upload adapter is not defined.")),null;const t=new xh(Promise.resolve(e),this.createUploadAdapter);return this.loaders.add(t),this._loadersMap.set(e,t),e instanceof Promise&&t.file.then(e=>{this._loadersMap.set(e,t)}).catch(()=>{}),t.on("change:uploaded",()=>{let e=0;for(const t of this.loaders)e+=t.uploaded;this.uploaded=e}),t.on("change:uploadTotal",()=>{let e=0;for(const t of this.loaders)t.uploadTotal&&(e+=t.uploadTotal);this.uploadTotal=e}),t}destroyLoader(e){const t=e instanceof xh?e:this.getLoader(e);t._destroy(),this.loaders.remove(t),this._loadersMap.forEach((e,n)=>{e===t&&this._loadersMap.delete(n)})}_updatePendingAction(){const e=this.editor.plugins.get(_h);if(this.loaders.length){if(!this._pendingAction){const t=this.editor.t,n=e=>`${t("Upload in progress")} ${parseInt(e)}%.`;this._pendingAction=e.add(n(this.uploadedPercent)),this._pendingAction.bind("message").to(this,"uploadedPercent",n)}}else e.remove(this._pendingAction),this._pendingAction=null}}xn(yh,Hi);class xh{constructor(e,t){this.id=dn(),this._filePromiseWrapper=this._createFilePromiseWrapper(e),this._adapter=t(this),this._reader=new vh,this.set("status","idle"),this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",(e,t)=>t?e/t*100:0),this.set("uploadResponse",null)}get file(){return this._filePromiseWrapper?this._filePromiseWrapper.promise.then(e=>this._filePromiseWrapper?e:null):Promise.resolve(null)}get data(){return this._reader.data}read(){if("idle"!=this.status)throw new hn.b("filerepository-read-wrong-status: You cannot call read if the status is different than idle.",this);return this.status="reading",this.file.then(e=>this._reader.read(e)).then(e=>{if("reading"!==this.status)throw this.status;return this.status="idle",e}).catch(e=>{if("aborted"===e)throw this.status="aborted","aborted";throw this.status="error",this._reader.error?this._reader.error:e})}upload(){if("idle"!=this.status)throw new hn.b("filerepository-upload-wrong-status: You cannot call upload if the status is different than idle.",this);return this.status="uploading",this.file.then(()=>this._adapter.upload()).then(e=>(this.uploadResponse=e,this.status="idle",e)).catch(e=>{if("aborted"===this.status)throw"aborted";throw this.status="error",e})}abort(){const e=this.status;this.status="aborted",this._filePromiseWrapper.isFulfilled?"reading"==e?this._reader.abort():"uploading"==e&&this._adapter.abort&&this._adapter.abort():(this._filePromiseWrapper.promise.catch(()=>{}),this._filePromiseWrapper.rejecter("aborted")),this._destroy()}_destroy(){this._filePromiseWrapper=void 0,this._reader=void 0,this._adapter=void 0,this.uploadResponse=void 0}_createFilePromiseWrapper(e){const t={};return t.promise=new Promise((n,i)=>{t.rejecter=i,t.isFulfilled=!1,e.then(e=>{t.isFulfilled=!0,n(e)}).catch(e=>{t.isFulfilled=!0,i(e)})}),t}}xn(xh,Hi);function Ah(){let e=function(e){e=e.toLowerCase();const t=document.cookie.split(";");for(const n of t){const t=n.split("=");if(decodeURIComponent(t[0].trim().toLowerCase())===e)return decodeURIComponent(t[1])}return null}("ckCsrfToken");var t,n;return e&&40==e.length||(e=function(e){let t="";const n=new Uint8Array(e);window.crypto.getRandomValues(n);for(let e=0;e<n.length;e++){const i="abcdefghijklmnopqrstuvwxyz0123456789".charAt(n[e]%"abcdefghijklmnopqrstuvwxyz0123456789".length);t+=Math.random()>.5?i.toUpperCase():i}return t}(40),t="ckCsrfToken",n=e,document.cookie=encodeURIComponent(t)+"="+encodeURIComponent(n)+";path=/"),e}class Ch extends sd{static get requires(){return[yh]}static get pluginName(){return"CKFinderUploadAdapter"}init(){const e=this.editor.config.get("ckfinder.uploadUrl");e&&(this.editor.plugins.get(yh).createUploadAdapter=t=>new Th(t,e,this.editor.t))}}class Th{constructor(e,t,n){this.loader=e,this.url=t,this.t=n}upload(){return this.loader.file.then(e=>new Promise((t,n)=>{this._initRequest(),this._initListeners(t,n,e),this._sendRequest(e)}))}abort(){this.xhr&&this.xhr.abort()}_initRequest(){const e=this.xhr=new XMLHttpRequest;e.open("POST",this.url,!0),e.responseType="json"}_initListeners(e,t,n){const i=this.xhr,o=this.loader,r=(0,this.t)("Cannot upload file:")+` ${n.name}.`;i.addEventListener("error",()=>t(r)),i.addEventListener("abort",()=>t()),i.addEventListener("load",()=>{const n=i.response;if(!n||!n.uploaded)return t(n&&n.error&&n.error.message?n.error.message:r);e({default:n.url})}),i.upload&&i.upload.addEventListener("progress",e=>{e.lengthComputable&&(o.uploadTotal=e.total,o.uploaded=e.loaded)})}_sendRequest(e){const t=new FormData;t.append("upload",e),t.append("ckCsrfToken",Ah()),this.xhr.send(t)}}const Sh="code";class Ph extends sd{static get pluginName(){return"CodeEditing"}static get requires(){return[bu]}init(){const e=this.editor;e.model.schema.extend("$text",{allowAttributes:Sh}),e.model.schema.setAttributeProperties(Sh,{isFormatting:!0,copyOnEnter:!0}),e.conversion.attributeToElement({model:Sh,view:"code",upcastAlso:{styles:{"word-wrap":"break-word"}}}),e.commands.add(Sh,new zd(e,Sh)),e.plugins.get(bu).registerAttribute(Sh),Au(e,Sh,"code","ck-code_selected")}}n(11);class Eh extends sd{init(){const e=this.editor,t=e.t;e.ui.componentFactory.add("code",n=>{const i=e.commands.get("code"),o=new Ul(n);return o.set({label:t("Code"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M12.5 5.7l5.2 3.9v1.3l-5.6 4c-.1.2-.3.2-.5.2-.3-.1-.6-.7-.6-1l.3-.4 4.7-3.5L11.5 7l-.2-.2c-.1-.3-.1-.6 0-.8.2-.2.5-.4.8-.4a.8.8 0 0 1 .4.1zm-5.2 0L2 9.6v1.3l5.6 4c.1.2.3.2.5.2.3-.1.7-.7.6-1 0-.1 0-.3-.2-.4l-5-3.5L8.2 7l.2-.2c.1-.3.1-.6 0-.8-.2-.2-.5-.4-.8-.4a.8.8 0 0 0-.3.1z"/></svg>',tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>{e.execute("code"),e.editing.view.focus()}),o})}}function*Mh(e,t){for(const n of t)n&&e.getAttributeProperties(n[0]).copyOnEnter&&(yield n)}class Ih extends cd{execute(){const e=this.editor.model,t=e.document;e.change(n=>{!function(e,t,n){const i=n.isCollapsed,o=n.getFirstRange(),r=o.start.parent,s=o.end.parent,a=r==s;if(i){const i=Mh(e.schema,n.getAttributes());Nh(e,t,o.end),t.removeSelectionAttribute(n.getAttributeKeys()),t.setSelectionAttribute(i)}else{const i=!(o.start.isAtStart&&o.end.isAtEnd);e.deleteContent(n,{leaveUnmerged:i}),a?Nh(e,t,n.focus):i&&t.setSelection(s,0)}}(e,n,t.selection),this.fire("afterExecute",{writer:n})})}refresh(){const e=this.editor.model,t=e.document;this.isEnabled=function(e,t){if(t.rangeCount>1)return!1;const n=t.anchor;if(!n||!e.checkChild(n,"softBreak"))return!1;const i=t.getFirstRange(),o=i.start.parent,r=i.end.parent;if((Rh(o,e)||Rh(r,e))&&o!==r)return!1;return!0}(e.schema,t.selection)}}function Nh(e,t,n){const i=t.createElement("softBreak");e.insertContent(i,n),t.setSelection(i,"after")}function Rh(e,t){return!e.is("rootElement")&&(t.isLimit(e)||Rh(e.parent,t))}class Oh extends pr{constructor(e){super(e);const t=this.document;t.on("keydown",(e,n)=>{if(this.isEnabled&&n.keyCode==fo.enter){let i;t.once("enter",e=>i=e,{priority:"highest"}),t.fire("enter",new Dr(t,n.domEvent,{isSoft:n.shiftKey})),i&&i.stop.called&&e.stop()}})}observe(){}}class zh extends sd{static get pluginName(){return"ShiftEnter"}init(){const e=this.editor,t=e.model.schema,n=e.conversion,i=e.editing.view,o=i.document;t.register("softBreak",{allowWhere:"$text",isInline:!0}),n.for("upcast").elementToElement({model:"softBreak",view:"br"}),n.for("downcast").elementToElement({model:"softBreak",view:(e,t)=>t.createEmptyElement("br")}),i.addObserver(Oh),e.commands.add("shiftEnter",new Ih(e)),this.listenTo(o,"enter",(t,n)=>{n.preventDefault(),n.isSoft&&(e.execute("shiftEnter"),i.scrollToTheSelection())},{priority:"low"})}}function Dh(e){const t=e.t,n=e.config.get("codeBlock.languages");for(const e of n)"Plain text"===e.label&&(e.label=t("Plain text")),void 0===e.class&&(e.class="language-"+e.language);return n}function Lh(e,t,n){const i={};for(const o of e)"class"===t?i[o[t].split(" ").shift()]=o[n]:i[o[t]]=o[n];return i}function Vh(e){return e.data.match(/^(\s*)/)[0]}function jh(e,t){const n=e.createDocumentFragment(),i=t.split("\n").map(t=>e.createText(t)),o=i[i.length-1];for(const t of i)e.append(t,n),t!==o&&e.appendElement("softBreak",n);return n}function Bh(e){const t=e.document.selection,n=[];if(t.isCollapsed)n.push(t.anchor);else{const i=t.getFirstRange().getWalker({ignoreElementEnd:!0,direction:"backward"});for(const{item:t}of i)if(t.is("$textProxy")&&t.parent.is("element","codeBlock")){const i=Vh(t.textNode),{parent:o,startOffset:r}=t.textNode,s=e.createPositionAt(o,r+i.length);n.push(s)}}return n}function Fh(e){const t=dd(e.getSelectedBlocks());return t&&t.is("element","codeBlock")}class Hh extends cd{refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(e={}){const t=this.editor,n=t.model,i=n.document.selection,o=Dh(t)[0],r=Array.from(i.getSelectedBlocks()),s=void 0===e.forceValue?!this.value:e.forceValue,a=e.language||o.language;n.change(e=>{s?this._applyCodeBlock(e,r,a):this._removeCodeBlock(e,r)})}_getValue(){const e=dd(this.editor.model.document.selection.getSelectedBlocks());return!!!(!e||!e.is("element","codeBlock"))&&e.getAttribute("language")}_checkEnabled(){if(this.value)return!0;const e=this.editor.model.document.selection,t=this.editor.model.schema,n=dd(e.getSelectedBlocks());return!!n&&Uh(t,n)}_applyCodeBlock(e,t,n){const i=this.editor.model.schema,o=t.filter(e=>Uh(i,e));for(const t of o)e.rename(t,"codeBlock"),e.setAttribute("language",n,t),i.removeDisallowedAttributes([t],e);o.reverse().forEach((t,n)=>{const i=o[n+1];t.previousSibling===i&&(e.appendElement("softBreak",i),e.merge(e.createPositionBefore(t)))})}_removeCodeBlock(e,t){const n=t.filter(e=>e.is("element","codeBlock"));for(const t of n){const n=e.createRangeOn(t);for(const t of Array.from(n.getItems()).reverse())if(t.is("element","softBreak")&&t.parent.is("element","codeBlock")){const{position:n}=e.split(e.createPositionBefore(t));e.rename(n.nodeAfter,"paragraph"),e.removeAttribute("language",n.nodeAfter),e.remove(t)}e.rename(t,"paragraph"),e.removeAttribute("language",t)}}}function Uh(e,t){return!t.is("rootElement")&&!e.isLimit(t)&&e.checkChild(t.parent,"codeBlock")}class Wh extends cd{constructor(e){super(e),this._indentSequence=e.config.get("codeBlock.indentSequence")}refresh(){this.isEnabled=this._checkEnabled()}execute(){const e=this.editor.model;e.change(t=>{const n=Bh(e);for(const e of n)t.insertText(this._indentSequence,e)})}_checkEnabled(){return!!this._indentSequence&&Fh(this.editor.model.document.selection)}}class qh extends cd{constructor(e){super(e),this._indentSequence=e.config.get("codeBlock.indentSequence")}refresh(){this.isEnabled=this._checkEnabled()}execute(){const e=this.editor.model;e.change(t=>{const n=Bh(e);for(const e of n){const n=$h(this.editor.model,e,this._indentSequence);n&&t.remove(n)}})}_checkEnabled(){if(!this._indentSequence)return!1;const e=this.editor.model;return!!Fh(e.document.selection)&&Bh(e).some(t=>$h(e,t,this._indentSequence))}}function $h(e,t,n){const i=function(e){let t=e.parent.getChild(e.index);t&&!t.is("element","softBreak")||(t=e.nodeBefore);if(!t||t.is("element","softBreak"))return null;return t}(t);if(!i)return null;const o=Vh(i),r=o.lastIndexOf(n);if(r+n.length!==o.length)return null;if(-1===r)return null;const{parent:s,startOffset:a}=i;return e.createRange(e.createPositionAt(s,a+r),e.createPositionAt(s,a+r+n.length))}function Gh(e,t,n=!1){const i=Lh(t,"language","class"),o=Lh(t,"language","label");return(t,r,s)=>{const{writer:a,mapper:c,consumable:l}=s;if(!l.consume(r.item,"insert"))return;const d=r.item.getAttribute("language"),u=c.toViewPosition(e.createPositionBefore(r.item)),h={};n&&(h["data-language"]=o[d],h.spellcheck="false");const m=a.createContainerElement("pre",h),g=a.createContainerElement("code",{class:i[d]||null});a.insert(a.createPositionAt(m,0),g),a.insert(u,m),c.bindElements(r.item,g)}}class Yh extends sd{static get pluginName(){return"CodeBlockEditing"}static get requires(){return[zh]}constructor(e){super(e),e.config.define("codeBlock",{languages:[{language:"plaintext",label:"Plain text"},{language:"c",label:"C"},{language:"cs",label:"C#"},{language:"cpp",label:"C++"},{language:"css",label:"CSS"},{language:"diff",label:"Diff"},{language:"html",label:"HTML"},{language:"java",label:"Java"},{language:"javascript",label:"JavaScript"},{language:"php",label:"PHP"},{language:"python",label:"Python"},{language:"ruby",label:"Ruby"},{language:"typescript",label:"TypeScript"},{language:"xml",label:"XML"}],indentSequence:"\t"})}init(){const e=this.editor,t=e.model.schema,n=e.model,i=Dh(e);e.commands.add("codeBlock",new Hh(e)),e.commands.add("indentCodeBlock",new Wh(e)),e.commands.add("outdentCodeBlock",new qh(e));const o=e=>(t,n)=>{this.editor.commands.get(e).isEnabled&&(this.editor.execute(e),n())};e.keystrokes.set("Tab",o("indentCodeBlock")),e.keystrokes.set("Shift+Tab",o("outdentCodeBlock")),t.register("codeBlock",{allowWhere:"$block",isBlock:!0,allowAttributes:["language"]}),t.extend("$text",{allowIn:"codeBlock"}),t.addAttributeCheck(e=>{if(e.endsWith("codeBlock $text"))return!1}),e.editing.downcastDispatcher.on("insert:codeBlock",Gh(n,i,!0)),e.data.downcastDispatcher.on("insert:codeBlock",Gh(n,i)),e.data.downcastDispatcher.on("insert:softBreak",function(e){return(t,n,i)=>{if("codeBlock"!==n.item.parent.name)return;const{writer:o,mapper:r,consumable:s}=i;if(!s.consume(n.item,"insert"))return;const a=r.toViewPosition(e.createPositionBefore(n.item));o.insert(a,o.createText("\n"))}}(n),{priority:"high"}),e.data.upcastDispatcher.on("element:pre",function(e,t){const n=Lh(t,"class","language"),i=t[0].language;return(t,o,r)=>{const s=o.viewItem,a=s.getChild(0);if(!a||!a.is("element","code"))return;const{consumable:c,writer:l}=r;if(!c.test(s,{name:!0})||!c.test(a,{name:!0}))return;const d=l.createElement("codeBlock"),u=[...a.getClassNames()];u.length||u.push("");for(const e of u){const t=n[e];if(t){l.setAttribute("language",t,d);break}}d.hasAttribute("language")||l.setAttribute("language",i,d);const h=jh(l,[...e.createRangeIn(a)].filter(e=>"text"===e.type).map(({item:e})=>e.data).join(""));l.append(h,d);const m=r.splitToAllowedParent(d,o.modelCursor);if(!m)return;l.insert(d,m.position),c.consume(s,{name:!0}),c.consume(a,{name:!0});const g=r.getSplitParts(d);o.modelRange=l.createRange(r.writer.createPositionBefore(d),r.writer.createPositionAfter(g[g.length-1])),m.cursorParent?o.modelCursor=l.createPositionAt(m.cursorParent,0):o.modelCursor=o.modelRange.end}}(e.editing.view,i)),this.listenTo(e.editing.view.document,"clipboardInput",(e,t)=>{const i=n.document.selection;if(!i.anchor.parent.is("element","codeBlock"))return;const o=t.dataTransfer.getData("text/plain");n.change(t=>{n.insertContent(jh(t,o),i),e.stop()})}),this.listenTo(n,"getSelectedContent",(e,[i])=>{const o=i.anchor;!i.isCollapsed&&o.parent.is("element","codeBlock")&&o.hasSameParentAs(i.focus)&&n.change(n=>{const r=e.return;if(r.childCount>1||i.containsEntireContent(o.parent)){const t=n.createElement("codeBlock",o.parent.getAttributes());n.append(r,t);const i=n.createDocumentFragment();n.append(t,i),e.return=i}else{const e=r.getChild(0);t.checkAttribute(e,"code")&&n.setAttribute("code",!0,e)}})})}afterInit(){const e=this.editor,t=e.commands,n=t.get("indent"),i=t.get("outdent");n&&n.registerChildCommand(t.get("indentCodeBlock")),i&&i.registerChildCommand(t.get("outdentCodeBlock")),this.listenTo(e.editing.view.document,"enter",(t,n)=>{e.model.document.selection.getLastPosition().parent.is("element","codeBlock")&&(function(e,t){const n=e.model.document,i=e.editing.view,o=n.selection.getLastPosition(),r=o.nodeAfter;if(t||!n.selection.isCollapsed||!o.isAtStart)return!1;if(!r||!r.is("element","softBreak"))return!1;return e.model.change(t=>{e.execute("enter");const i=n.selection.anchor.parent.previousSibling;t.rename(i,"paragraph"),t.setSelection(i,"in"),e.model.schema.removeDisallowedAttributes([i],t),t.remove(r)}),i.scrollToTheSelection(),!0}(e,n.isSoft)||function(e,t){const n=e.model,i=n.document,o=e.editing.view,r=i.selection.getLastPosition(),s=r.nodeBefore;let a;if(t||!i.selection.isCollapsed||!r.isAtEnd||!s)return!1;if(s.is("element","softBreak"))a=n.createRangeOn(s);else{if(!s.is("$text")||s.data.match(/\S/)||!s.previousSibling||!s.previousSibling.is("element","softBreak"))return!1;a=n.createRange(n.createPositionBefore(s.previousSibling),n.createPositionAfter(s))}return e.model.change(t=>{t.remove(a),e.execute("enter");const n=i.selection.anchor.parent;t.rename(n,"paragraph"),e.model.schema.removeDisallowedAttributes([n],t)}),o.scrollToTheSelection(),!0}(e,n.isSoft)||function(e){const t=e.model.document,n=t.selection.getLastPosition(),i=n.nodeBefore||n.textNode;let o;i&&i.is("$text")&&(o=Vh(i));e.model.change(n=>{e.execute("shiftEnter"),o&&n.insertText(o,t.selection.anchor)})}(e),n.preventDefault(),t.stop())})}}class Kh{constructor(e,t){t&&Li(this,t),e&&this.set(e)}}xn(Kh,Hi);n(51);class Qh extends kl{constructor(e){super(e);const t=this.bindTemplate;this.set("icon"),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isToggleable",!1),this.set("isVisible",!0),this.set("keystroke"),this.set("label"),this.set("tabindex",-1),this.set("tooltip"),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.children=this.createCollection(),this.actionView=this._createActionView(),this.arrowView=this._createArrowView(),this.keystrokes=new Rc,this.focusTracker=new Hc,this.setTemplate({tag:"div",attributes:{class:["ck","ck-splitbutton",t.if("isVisible","ck-hidden",e=>!e),this.arrowView.bindTemplate.if("isOn","ck-splitbutton_open")]},children:this.children})}render(){super.render(),this.children.add(this.actionView),this.children.add(this.arrowView),this.focusTracker.add(this.actionView.element),this.focusTracker.add(this.arrowView.element),this.keystrokes.listenTo(this.element),this.keystrokes.set("arrowright",(e,t)=>{this.focusTracker.focusedElement===this.actionView.element&&(this.arrowView.focus(),t())}),this.keystrokes.set("arrowleft",(e,t)=>{this.focusTracker.focusedElement===this.arrowView.element&&(this.actionView.focus(),t())})}focus(){this.actionView.focus()}_createActionView(){const e=new Ul;return e.bind("icon","isEnabled","isOn","isToggleable","keystroke","label","tabindex","tooltip","tooltipPosition","type","withText").to(this),e.extendTemplate({attributes:{class:"ck-splitbutton__action"}}),e.delegate("execute").to(this),e}_createArrowView(){const e=new Ul,t=e.bindTemplate;return e.icon=Wl,e.extendTemplate({attributes:{class:"ck-splitbutton__arrow","aria-haspopup":!0,"aria-expanded":t.to("isOn",e=>String(e))}}),e.bind("isEnabled").to(this),e.delegate("execute").to(this,"open"),e}}n(53);class Jh extends sd{init(){const e=this.editor,t=e.t,n=e.ui.componentFactory,i=Dh(e),o=i[0];n.add("codeBlock",n=>{const r=e.commands.get("codeBlock"),s=Jl(n,Qh),a=s.buttonView;return a.set({label:t("Insert code block"),tooltip:!0,icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M12.87 12.61a.75.75 0 0 1-.089.976l-.085.07-3.154 2.254 3.412 2.414a.75.75 0 0 1 .237.95l-.057.095a.75.75 0 0 1-.95.237l-.096-.058-4.272-3.022-.003-1.223 4.01-2.867a.75.75 0 0 1 1.047.174zm2.795-.231l.095.057 4.011 2.867-.003 1.223-4.272 3.022-.095.058a.75.75 0 0 1-.88-.151l-.07-.086-.058-.095a.75.75 0 0 1 .15-.88l.087-.07 3.412-2.414-3.154-2.253-.085-.071a.75.75 0 0 1 .862-1.207zM16 0a2 2 0 0 1 2 2v9.354l-.663-.492-.837-.001V2a.5.5 0 0 0-.5-.5H2a.5.5 0 0 0-.5.5v15a.5.5 0 0 0 .5.5h3.118L7.156 19H2a2 2 0 0 1-2-2V2a2 2 0 0 1 2-2h14zM5.009 15l.003 1H3v-1h2.009zm2.188-2l-1.471 1H5v-1h2.197zM10 11v.095L8.668 12H7v-1h3zm4-2v1H7V9h7zm0-2v1H7V7h7zm-4-2v1H5V5h5zM6 3v1H3V3h3z"/></svg>',isToggleable:!0}),a.bind("isOn").to(r,"value",e=>!!e),a.on("execute",()=>{e.execute("codeBlock",{language:o.language}),e.editing.view.focus()}),s.on("execute",t=>{e.execute("codeBlock",{language:t.source._codeBlockLanguage,forceValue:!0}),e.editing.view.focus()}),s.class="ck-code-block-dropdown",s.bind("isEnabled").to(r),Xl(s,this._getLanguageListItemDefinitions(i)),s})}_getLanguageListItemDefinitions(e){const t=this.editor.commands.get("codeBlock"),n=new An;for(const i of e){const e={type:"button",model:new Kh({_codeBlockLanguage:i.language,label:i.label,withText:!0})};e.model.bind("isOn").to(t,"value",t=>t===e.model._codeBlockLanguage),n.add(e)}return n}}class Zh extends cd{execute(){const e=this.editor.model,t=e.document;e.change(n=>{!function(e,t,n,i){const o=n.isCollapsed,r=n.getFirstRange(),s=r.start.parent,a=r.end.parent;if(i.isLimit(s)||i.isLimit(a))return void(o||s!=a||e.deleteContent(n));if(o){const e=Mh(t.model.schema,n.getAttributes());Xh(t,r.start),t.setSelectionAttribute(e)}else{const i=!(r.start.isAtStart&&r.end.isAtEnd),o=s==a;e.deleteContent(n,{leaveUnmerged:i}),i&&(o?Xh(t,n.focus):t.setSelection(a,0))}}(this.editor.model,n,t.selection,e.schema),this.fire("afterExecute",{writer:n})})}}function Xh(e,t){e.split(t),e.setSelection(t.parent.nextSibling,0)}class em extends sd{static get pluginName(){return"Enter"}init(){const e=this.editor,t=e.editing.view,n=t.document;t.addObserver(Oh),e.commands.add("enter",new Zh(e)),this.listenTo(n,"enter",(n,i)=>{i.preventDefault(),i.isSoft||(e.execute("enter"),t.scrollToTheSelection())},{priority:"low"})}}class tm extends cd{execute(){const e=this.editor.model,t=e.document.selection;let n=e.schema.getLimitElement(t);if(t.containsEntireContent(n)||!nm(e.schema,n))do{if(n=n.parent,!n)return}while(!nm(e.schema,n));e.change(e=>{e.setSelection(n,"in")})}}function nm(e,t){return e.isLimit(t)&&(e.checkChild(t,"$text")||e.checkChild(t,"paragraph"))}const im=bo("Ctrl+A");class om extends sd{static get pluginName(){return"SelectAllEditing"}init(){const e=this.editor,t=e.editing.view.document;e.commands.add("selectAll",new tm(e)),this.listenTo(t,"keydown",(t,n)=>{po(n)===im&&(e.execute("selectAll"),n.preventDefault())})}}class rm extends sd{static get pluginName(){return"SelectAllUI"}init(){const e=this.editor;e.ui.componentFactory.add("selectAll",t=>{const n=e.commands.get("selectAll"),i=new Ul(t),o=t.t;return i.set({label:o("Select all"),icon:'<svg width="20" height="20" xmlns="http://www.w3.org/2000/svg"><path d="M.75 15.5a.75.75 0 0 1 .75.75V18l.008.09A.5.5 0 0 0 2 18.5h1.75a.75.75 0 1 1 0 1.5H1.5l-.144-.007a1.5 1.5 0 0 1-1.35-1.349L0 18.5v-2.25a.75.75 0 0 1 .75-.75zm18.5 0a.75.75 0 0 1 .75.75v2.25l-.007.144a1.5 1.5 0 0 1-1.349 1.35L18.5 20h-2.25a.75.75 0 1 1 0-1.5H18a.5.5 0 0 0 .492-.41L18.5 18v-1.75a.75.75 0 0 1 .75-.75zm-10.45 3c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm.45-5.5a.75.75 0 1 1 0 1.5h-8.5a.75.75 0 1 1 0-1.5h8.5zM1.3 11c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2v-1.6c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5H4.75a.75.75 0 1 1 0-1.5h10.5zM1.3 7c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2H.2a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm18.5 0c.11 0 .2.09.2.2v1.6a.2.2 0 0 1-.2.2h-1.1a.2.2 0 0 1-.2-.2V7.2c0-.11.09-.2.2-.2h1.1zm-4.55-2a.75.75 0 1 1 0 1.5h-2.5a.75.75 0 1 1 0-1.5h2.5zm-5 0a.75.75 0 1 1 0 1.5h-5.5a.75.75 0 0 1 0-1.5h5.5zm-6.5-5a.75.75 0 0 1 0 1.5H2a.5.5 0 0 0-.492.41L1.5 2v1.75a.75.75 0 0 1-1.5 0V1.5l.007-.144A1.5 1.5 0 0 1 1.356.006L1.5 0h2.25zM18.5 0l.144.007a1.5 1.5 0 0 1 1.35 1.349L20 1.5v2.25a.75.75 0 1 1-1.5 0V2l-.008-.09A.5.5 0 0 0 18 1.5h-1.75a.75.75 0 1 1 0-1.5h2.25zM8.8 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6z"/></svg>',keystroke:"Ctrl+A",tooltip:!0}),i.bind("isOn","isEnabled").to(n,"value","isEnabled"),this.listenTo(i,"execute",()=>{e.execute("selectAll"),e.editing.view.focus()}),i})}}class sm extends sd{static get requires(){return[om,rm]}static get pluginName(){return"SelectAll"}}class am extends cd{constructor(e,t){super(e),this.direction=t,this._buffer=new Cu(e.model,e.config.get("typing.undoStep"))}get buffer(){return this._buffer}execute(e={}){const t=this.editor.model,n=t.document;t.enqueueChange(this._buffer.batch,i=>{this._buffer.lock();const o=i.createSelection(e.selection||n.selection),r=o.isCollapsed;if(o.isCollapsed&&t.modifySelection(o,{direction:this.direction,unit:e.unit}),this._shouldEntireContentBeReplacedWithParagraph(e.sequence||1))return void this._replaceEntireContentWithParagraph(i);if(o.isCollapsed)return;let s=0;o.getFirstRange().getMinimalFlatRanges().forEach(e=>{s+=to(e.getWalker({singleCharacters:!0,ignoreElementEnd:!0,shallow:!0}))}),t.deleteContent(o,{doNotResetEntireContent:r,direction:this.direction}),this._buffer.input(s),i.setSelection(o),this._buffer.unlock()})}_shouldEntireContentBeReplacedWithParagraph(e){if(e>1)return!1;const t=this.editor.model,n=t.document.selection,i=t.schema.getLimitElement(n);if(!(n.isCollapsed&&n.containsEntireContent(i)))return!1;if(!t.schema.checkChild(i,"paragraph"))return!1;const o=i.getChild(0);return!o||"paragraph"!==o.name}_replaceEntireContentWithParagraph(e){const t=this.editor.model,n=t.document.selection,i=t.schema.getLimitElement(n),o=e.createElement("paragraph");e.remove(e.createRangeIn(i)),e.insert(o,i),e.setSelection(o,0)}}class cm extends pr{constructor(e){super(e);const t=e.document;let n=0;function i(e,n,i){let o;t.once("delete",e=>o=e,{priority:Number.POSITIVE_INFINITY}),t.fire("delete",new Dr(t,n,i)),o&&o.stop.called&&e.stop()}t.on("keyup",(e,t)=>{t.keyCode!=fo.delete&&t.keyCode!=fo.backspace||(n=0)}),t.on("keydown",(e,t)=>{const o={};if(t.keyCode==fo.delete)o.direction="forward",o.unit="character";else{if(t.keyCode!=fo.backspace)return;o.direction="backward",o.unit="codePoint"}const r=ho.isMac?t.altKey:t.ctrlKey;o.unit=r?"word":o.unit,o.sequence=++n,i(e,t.domEvent,o)}),ho.isAndroid&&t.on("beforeinput",(t,n)=>{if("deleteContentBackward"!=n.domEvent.inputType)return;const o={unit:"codepoint",direction:"backward",sequence:1},r=n.domTarget.ownerDocument.defaultView.getSelection();r.anchorNode==r.focusNode&&r.anchorOffset+1!=r.focusOffset&&(o.selectionToRemove=e.domConverter.domSelectionToView(r)),i(t,n.domEvent,o)})}observe(){}}class lm extends sd{static get pluginName(){return"Delete"}init(){const e=this.editor,t=e.editing.view,n=t.document;if(t.addObserver(cm),e.commands.add("forwardDelete",new am(e,"forward")),e.commands.add("delete",new am(e,"backward")),this.listenTo(n,"delete",(n,i)=>{const o={unit:i.unit,sequence:i.sequence};if(i.selectionToRemove){const t=e.model.createSelection(),n=[];for(const t of i.selectionToRemove.getRanges())n.push(e.editing.mapper.toModelRange(t));t.setTo(n),o.selection=t}e.execute("forward"==i.direction?"forwardDelete":"delete",o),i.preventDefault(),t.scrollToTheSelection()}),ho.isAndroid){let e=null;this.listenTo(n,"delete",(t,n)=>{const i=n.domTarget.ownerDocument.defaultView.getSelection();e={anchorNode:i.anchorNode,anchorOffset:i.anchorOffset,focusNode:i.focusNode,focusOffset:i.focusOffset}},{priority:"lowest"}),this.listenTo(n,"keyup",(t,n)=>{if(e){const t=n.domTarget.ownerDocument.defaultView.getSelection();t.collapse(e.anchorNode,e.anchorOffset),t.extend(e.focusNode,e.focusOffset),e=null}})}}}class dm extends sd{static get requires(){return[Ou,lm]}static get pluginName(){return"Typing"}}const um=new Map;function hm(e,t,n){let i=um.get(e);i||(i=new Map,um.set(e,i)),i.set(t,n)}function mm(e){return[e]}function gm(e,t,n={}){const i=function(e,t){const n=um.get(e);return n&&n.has(t)?n.get(t):mm}(e.constructor,t.constructor);try{return i(e=e.clone(),t,n)}catch(e){throw e}}function fm(e,t,n){e=e.slice(),t=t.slice();const i=new pm(n.document,n.useRelations,n.forceWeakRemove);i.setOriginalOperations(e),i.setOriginalOperations(t);const o=i.originalOperations;if(0==e.length||0==t.length)return{operationsA:e,operationsB:t,originalOperations:o};const r=new WeakMap;for(const t of e)r.set(t,0);const s={nextBaseVersionA:e[e.length-1].baseVersion+1,nextBaseVersionB:t[t.length-1].baseVersion+1,originalOperationsACount:e.length,originalOperationsBCount:t.length};let a=0;for(;a<e.length;){const n=e[a],o=r.get(n);if(o==t.length){a++;continue}const s=t[o],c=gm(n,s,i.getContext(n,s,!0)),l=gm(s,n,i.getContext(s,n,!1));i.updateRelation(n,s),i.setOriginalOperations(c,n),i.setOriginalOperations(l,s);for(const e of c)r.set(e,o+l.length);e.splice(a,1,...c),t.splice(o,1,...l)}if(n.padWithNoOps){const n=e.length-s.originalOperationsACount,i=t.length-s.originalOperationsBCount;wm(e,i-n),wm(t,n-i)}return bm(e,s.nextBaseVersionB),bm(t,s.nextBaseVersionA),{operationsA:e,operationsB:t,originalOperations:o}}class pm{constructor(e,t,n=!1){this.originalOperations=new Map,this._history=e.history,this._useRelations=t,this._forceWeakRemove=!!n,this._relations=new Map}setOriginalOperations(e,t=null){const n=t?this.originalOperations.get(t):null;for(const t of e)this.originalOperations.set(t,n||t)}updateRelation(e,t){switch(e.constructor){case Ha:switch(t.constructor){case Ga:e.targetPosition.isEqual(t.sourcePosition)||t.movedRange.containsPosition(e.targetPosition)?this._setRelation(e,t,"insertAtSource"):e.targetPosition.isEqual(t.deletionPosition)?this._setRelation(e,t,"insertBetween"):e.targetPosition.isAfter(t.sourcePosition)&&this._setRelation(e,t,"moveTargetAfter");break;case Ha:e.targetPosition.isEqual(t.sourcePosition)||e.targetPosition.isBefore(t.sourcePosition)?this._setRelation(e,t,"insertBefore"):this._setRelation(e,t,"insertAfter")}break;case Ya:switch(t.constructor){case Ga:e.splitPosition.isBefore(t.sourcePosition)&&this._setRelation(e,t,"splitBefore");break;case Ha:(e.splitPosition.isEqual(t.sourcePosition)||e.splitPosition.isBefore(t.sourcePosition))&&this._setRelation(e,t,"splitBefore")}break;case Ga:switch(t.constructor){case Ga:e.targetPosition.isEqual(t.sourcePosition)||this._setRelation(e,t,"mergeTargetNotMoved"),e.sourcePosition.isEqual(t.targetPosition)&&this._setRelation(e,t,"mergeSourceNotMoved"),e.sourcePosition.isEqual(t.sourcePosition)&&this._setRelation(e,t,"mergeSameElement");break;case Ya:e.sourcePosition.isEqual(t.splitPosition)&&this._setRelation(e,t,"splitAtSource")}break;case Wa:{const n=e.newRange;if(!n)return;switch(t.constructor){case Ha:{const i=Ps._createFromPositionAndShift(t.sourcePosition,t.howMany),o=i.containsPosition(n.start)||i.start.isEqual(n.start),r=i.containsPosition(n.end)||i.end.isEqual(n.end);!o&&!r||i.containsRange(n)||this._setRelation(e,t,{side:o?"left":"right",path:o?n.start.path.slice():n.end.path.slice()});break}case Ga:{const i=n.start.isEqual(t.targetPosition),o=n.start.isEqual(t.deletionPosition),r=n.end.isEqual(t.deletionPosition),s=n.end.isEqual(t.sourcePosition);(i||o||r||s)&&this._setRelation(e,t,{wasInLeftElement:i,wasStartBeforeMergedElement:o,wasEndBeforeMergedElement:r,wasInRightElement:s});break}}break}}}getContext(e,t,n){return{aIsStrong:n,aWasUndone:this._wasUndone(e),bWasUndone:this._wasUndone(t),abRelation:this._useRelations?this._getRelation(e,t):null,baRelation:this._useRelations?this._getRelation(t,e):null,forceWeakRemove:this._forceWeakRemove}}_wasUndone(e){const t=this.originalOperations.get(e);return t.wasUndone||this._history.isUndoneOperation(t)}_getRelation(e,t){const n=this.originalOperations.get(t),i=this._history.getUndoneOperation(n);if(!i)return null;const o=this.originalOperations.get(e),r=this._relations.get(o);return r&&r.get(i)||null}_setRelation(e,t,n){const i=this.originalOperations.get(e),o=this.originalOperations.get(t);let r=this._relations.get(i);r||(r=new Map,this._relations.set(i,r)),r.set(o,n)}}function bm(e,t){for(const n of e)n.baseVersion=t++}function wm(e,t){for(let n=0;n<t;n++)e.push(new mc(0))}function km(e,t,n){const i=e.nodes.getNode(0).getAttribute(t);if(i==n)return null;const o=new Ps(e.position,e.position.getShiftedBy(e.howMany));return new Ba(o,t,i,n,0)}function _m(e,t){return null===e.targetPosition._getTransformedByDeletion(t.sourcePosition,t.howMany)}function vm(e,t){const n=[];for(let i=0;i<e.length;i++){const o=e[i],r=new Ha(o.start,o.end.offset-o.start.offset,t,0);n.push(r);for(let t=i+1;t<e.length;t++)e[t]=e[t]._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)[0];t=t._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)}return n}hm(Ba,Ba,(e,t,n)=>{if(e.key===t.key&&e.range.start.hasSameParentAs(t.range.start)){const i=e.range.getDifference(t.range).map(t=>new Ba(t,e.key,e.oldValue,e.newValue,0)),o=e.range.getIntersection(t.range);return o&&n.aIsStrong&&i.push(new Ba(o,t.key,t.newValue,e.newValue,0)),0==i.length?[new mc(0)]:i}return[e]}),hm(Ba,Ua,(e,t)=>{if(e.range.start.hasSameParentAs(t.position)&&e.range.containsPosition(t.position)){const n=e.range._getTransformedByInsertion(t.position,t.howMany,!t.shouldReceiveAttributes).map(t=>new Ba(t,e.key,e.oldValue,e.newValue,e.baseVersion));if(t.shouldReceiveAttributes){const i=km(t,e.key,e.oldValue);i&&n.unshift(i)}return n}return e.range=e.range._getTransformedByInsertion(t.position,t.howMany,!1)[0],[e]}),hm(Ba,Ga,(e,t)=>{const n=[];e.range.start.hasSameParentAs(t.deletionPosition)&&(e.range.containsPosition(t.deletionPosition)||e.range.start.isEqual(t.deletionPosition))&&n.push(Ps._createFromPositionAndShift(t.graveyardPosition,1));const i=e.range._getTransformedByMergeOperation(t);return i.isCollapsed||n.push(i),n.map(t=>new Ba(t,e.key,e.oldValue,e.newValue,e.baseVersion))}),hm(Ba,Ha,(e,t)=>function(e,t){const n=Ps._createFromPositionAndShift(t.sourcePosition,t.howMany);let i=null,o=[];n.containsRange(e,!0)?i=e:e.start.hasSameParentAs(n.start)?(o=e.getDifference(n),i=e.getIntersection(n)):o=[e];const r=[];for(let e of o){e=e._getTransformedByDeletion(t.sourcePosition,t.howMany);const n=t.getMovedRangeStart(),i=e.start.hasSameParentAs(n);e=e._getTransformedByInsertion(n,t.howMany,i),r.push(...e)}i&&r.push(i._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany,!1)[0]);return r}(e.range,t).map(t=>new Ba(t,e.key,e.oldValue,e.newValue,e.baseVersion))),hm(Ba,Ya,(e,t)=>{if(e.range.end.isEqual(t.insertionPosition))return t.graveyardPosition||e.range.end.offset++,[e];if(e.range.start.hasSameParentAs(t.splitPosition)&&e.range.containsPosition(t.splitPosition)){const n=e.clone();return n.range=new Ps(t.moveTargetPosition.clone(),e.range.end._getCombined(t.splitPosition,t.moveTargetPosition)),e.range.end=t.splitPosition.clone(),e.range.end.stickiness="toPrevious",[e,n]}return e.range=e.range._getTransformedBySplitOperation(t),[e]}),hm(Ua,Ba,(e,t)=>{const n=[e];if(e.shouldReceiveAttributes&&e.position.hasSameParentAs(t.range.start)&&t.range.containsPosition(e.position)){const i=km(e,t.key,t.newValue);i&&n.push(i)}return n}),hm(Ua,Ua,(e,t,n)=>(e.position.isEqual(t.position)&&n.aIsStrong||(e.position=e.position._getTransformedByInsertOperation(t)),[e])),hm(Ua,Ha,(e,t)=>(e.position=e.position._getTransformedByMoveOperation(t),[e])),hm(Ua,Ya,(e,t)=>(e.position=e.position._getTransformedBySplitOperation(t),[e])),hm(Ua,Ga,(e,t)=>(e.position=e.position._getTransformedByMergeOperation(t),[e])),hm(Wa,Ua,(e,t)=>(e.oldRange&&(e.oldRange=e.oldRange._getTransformedByInsertOperation(t)[0]),e.newRange&&(e.newRange=e.newRange._getTransformedByInsertOperation(t)[0]),[e])),hm(Wa,Wa,(e,t,n)=>{if(e.name==t.name){if(!n.aIsStrong)return[new mc(0)];e.oldRange=t.newRange?t.newRange.clone():null}return[e]}),hm(Wa,Ga,(e,t)=>(e.oldRange&&(e.oldRange=e.oldRange._getTransformedByMergeOperation(t)),e.newRange&&(e.newRange=e.newRange._getTransformedByMergeOperation(t)),[e])),hm(Wa,Ha,(e,t,n)=>{if(e.oldRange&&(e.oldRange=Ps._createFromRanges(e.oldRange._getTransformedByMoveOperation(t))),e.newRange){if(n.abRelation){const i=Ps._createFromRanges(e.newRange._getTransformedByMoveOperation(t));if("left"==n.abRelation.side&&t.targetPosition.isEqual(e.newRange.start))return e.newRange.start.path=n.abRelation.path,e.newRange.end=i.end,[e];if("right"==n.abRelation.side&&t.targetPosition.isEqual(e.newRange.end))return e.newRange.start=i.start,e.newRange.end.path=n.abRelation.path,[e]}e.newRange=Ps._createFromRanges(e.newRange._getTransformedByMoveOperation(t))}return[e]}),hm(Wa,Ya,(e,t,n)=>{if(e.oldRange&&(e.oldRange=e.oldRange._getTransformedBySplitOperation(t)),e.newRange){if(n.abRelation){const i=e.newRange._getTransformedBySplitOperation(t);return e.newRange.start.isEqual(t.splitPosition)&&n.abRelation.wasStartBeforeMergedElement?e.newRange.start=As._createAt(t.insertionPosition):e.newRange.start.isEqual(t.splitPosition)&&!n.abRelation.wasInLeftElement&&(e.newRange.start=As._createAt(t.moveTargetPosition)),e.newRange.end.isEqual(t.splitPosition)&&n.abRelation.wasInRightElement?e.newRange.end=As._createAt(t.moveTargetPosition):e.newRange.end.isEqual(t.splitPosition)&&n.abRelation.wasEndBeforeMergedElement?e.newRange.end=As._createAt(t.insertionPosition):e.newRange.end=i.end,[e]}e.newRange=e.newRange._getTransformedBySplitOperation(t)}return[e]}),hm(Ga,Ua,(e,t)=>(e.sourcePosition.hasSameParentAs(t.position)&&(e.howMany+=t.howMany),e.sourcePosition=e.sourcePosition._getTransformedByInsertOperation(t),e.targetPosition=e.targetPosition._getTransformedByInsertOperation(t),[e])),hm(Ga,Ga,(e,t,n)=>{if(e.sourcePosition.isEqual(t.sourcePosition)&&e.targetPosition.isEqual(t.targetPosition)){if(n.bWasUndone){const n=t.graveyardPosition.path.slice();return n.push(0),e.sourcePosition=new As(t.graveyardPosition.root,n),e.howMany=0,[e]}return[new mc(0)]}if(e.sourcePosition.isEqual(t.sourcePosition)&&!e.targetPosition.isEqual(t.targetPosition)&&!n.bWasUndone&&"splitAtSource"!=n.abRelation){const i="$graveyard"==e.targetPosition.root.rootName,o="$graveyard"==t.targetPosition.root.rootName,r=i&&!o;if(o&&!i||!r&&n.aIsStrong){const n=t.targetPosition._getTransformedByMergeOperation(t),i=e.targetPosition._getTransformedByMergeOperation(t);return[new Ha(n,e.howMany,i,0)]}return[new mc(0)]}return e.sourcePosition.hasSameParentAs(t.targetPosition)&&(e.howMany+=t.howMany),e.sourcePosition=e.sourcePosition._getTransformedByMergeOperation(t),e.targetPosition=e.targetPosition._getTransformedByMergeOperation(t),e.graveyardPosition.isEqual(t.graveyardPosition)&&n.aIsStrong||(e.graveyardPosition=e.graveyardPosition._getTransformedByMergeOperation(t)),[e]}),hm(Ga,Ha,(e,t,n)=>{const i=Ps._createFromPositionAndShift(t.sourcePosition,t.howMany);return"remove"==t.type&&!n.bWasUndone&&!n.forceWeakRemove&&e.deletionPosition.hasSameParentAs(t.sourcePosition)&&i.containsPosition(e.sourcePosition)?[new mc(0)]:(e.sourcePosition.hasSameParentAs(t.targetPosition)&&(e.howMany+=t.howMany),e.sourcePosition.hasSameParentAs(t.sourcePosition)&&(e.howMany-=t.howMany),e.sourcePosition=e.sourcePosition._getTransformedByMoveOperation(t),e.targetPosition=e.targetPosition._getTransformedByMoveOperation(t),e.graveyardPosition.isEqual(t.targetPosition)||(e.graveyardPosition=e.graveyardPosition._getTransformedByMoveOperation(t)),[e])}),hm(Ga,Ya,(e,t,n)=>{if(t.graveyardPosition&&(e.graveyardPosition=e.graveyardPosition._getTransformedByDeletion(t.graveyardPosition,1),e.deletionPosition.isEqual(t.graveyardPosition)&&(e.howMany=t.howMany)),e.targetPosition.isEqual(t.splitPosition)){const i=0!=t.howMany,o=t.graveyardPosition&&e.deletionPosition.isEqual(t.graveyardPosition);if(i||o||"mergeTargetNotMoved"==n.abRelation)return e.sourcePosition=e.sourcePosition._getTransformedBySplitOperation(t),[e]}if(e.sourcePosition.isEqual(t.splitPosition)){if("mergeSourceNotMoved"==n.abRelation)return e.howMany=0,e.targetPosition=e.targetPosition._getTransformedBySplitOperation(t),[e];if("mergeSameElement"==n.abRelation||e.sourcePosition.offset>0)return e.sourcePosition=t.moveTargetPosition.clone(),e.targetPosition=e.targetPosition._getTransformedBySplitOperation(t),[e]}return e.sourcePosition.hasSameParentAs(t.splitPosition)&&(e.howMany=t.splitPosition.offset),e.sourcePosition=e.sourcePosition._getTransformedBySplitOperation(t),e.targetPosition=e.targetPosition._getTransformedBySplitOperation(t),[e]}),hm(Ha,Ua,(e,t)=>{const n=Ps._createFromPositionAndShift(e.sourcePosition,e.howMany)._getTransformedByInsertOperation(t,!1)[0];return e.sourcePosition=n.start,e.howMany=n.end.offset-n.start.offset,e.targetPosition.isEqual(t.position)||(e.targetPosition=e.targetPosition._getTransformedByInsertOperation(t)),[e]}),hm(Ha,Ha,(e,t,n)=>{const i=Ps._createFromPositionAndShift(e.sourcePosition,e.howMany),o=Ps._createFromPositionAndShift(t.sourcePosition,t.howMany);let r,s=n.aIsStrong,a=!n.aIsStrong;if("insertBefore"==n.abRelation||"insertAfter"==n.baRelation?a=!0:"insertAfter"!=n.abRelation&&"insertBefore"!=n.baRelation||(a=!1),r=e.targetPosition.isEqual(t.targetPosition)&&a?e.targetPosition._getTransformedByDeletion(t.sourcePosition,t.howMany):e.targetPosition._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),_m(e,t)&&_m(t,e))return[t.getReversed()];if(i.containsPosition(t.targetPosition)&&i.containsRange(o,!0))return i.start=i.start._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),i.end=i.end._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),vm([i],r);if(o.containsPosition(e.targetPosition)&&o.containsRange(i,!0))return i.start=i.start._getCombined(t.sourcePosition,t.getMovedRangeStart()),i.end=i.end._getCombined(t.sourcePosition,t.getMovedRangeStart()),vm([i],r);const c=In(e.sourcePosition.getParentPath(),t.sourcePosition.getParentPath());if("prefix"==c||"extension"==c)return i.start=i.start._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),i.end=i.end._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany),vm([i],r);"remove"!=e.type||"remove"==t.type||n.aWasUndone||n.forceWeakRemove?"remove"==e.type||"remove"!=t.type||n.bWasUndone||n.forceWeakRemove||(s=!1):s=!0;const l=[],d=i.getDifference(o);for(const e of d){e.start=e.start._getTransformedByDeletion(t.sourcePosition,t.howMany),e.end=e.end._getTransformedByDeletion(t.sourcePosition,t.howMany);const n="same"==In(e.start.getParentPath(),t.getMovedRangeStart().getParentPath()),i=e._getTransformedByInsertion(t.getMovedRangeStart(),t.howMany,n);l.push(...i)}const u=i.getIntersection(o);return null!==u&&s&&(u.start=u.start._getCombined(t.sourcePosition,t.getMovedRangeStart()),u.end=u.end._getCombined(t.sourcePosition,t.getMovedRangeStart()),0===l.length?l.push(u):1==l.length?o.start.isBefore(i.start)||o.start.isEqual(i.start)?l.unshift(u):l.push(u):l.splice(1,0,u)),0===l.length?[new mc(e.baseVersion)]:vm(l,r)}),hm(Ha,Ya,(e,t,n)=>{let i=e.targetPosition.clone();e.targetPosition.isEqual(t.insertionPosition)&&t.graveyardPosition&&"moveTargetAfter"!=n.abRelation||(i=e.targetPosition._getTransformedBySplitOperation(t));const o=Ps._createFromPositionAndShift(e.sourcePosition,e.howMany);if(o.end.isEqual(t.insertionPosition))return t.graveyardPosition||e.howMany++,e.targetPosition=i,[e];if(o.start.hasSameParentAs(t.splitPosition)&&o.containsPosition(t.splitPosition)){let e=new Ps(t.splitPosition,o.end);e=e._getTransformedBySplitOperation(t);return vm([new Ps(o.start,t.splitPosition),e],i)}e.targetPosition.isEqual(t.splitPosition)&&"insertAtSource"==n.abRelation&&(i=t.moveTargetPosition),e.targetPosition.isEqual(t.insertionPosition)&&"insertBetween"==n.abRelation&&(i=e.targetPosition);const r=[o._getTransformedBySplitOperation(t)];if(t.graveyardPosition){const i=o.start.isEqual(t.graveyardPosition)||o.containsPosition(t.graveyardPosition);e.howMany>1&&i&&!n.aWasUndone&&r.push(Ps._createFromPositionAndShift(t.insertionPosition,1))}return vm(r,i)}),hm(Ha,Ga,(e,t,n)=>{const i=Ps._createFromPositionAndShift(e.sourcePosition,e.howMany);if(t.deletionPosition.hasSameParentAs(e.sourcePosition)&&i.containsPosition(t.sourcePosition))if("remove"!=e.type||n.forceWeakRemove){if(1==e.howMany)return n.bWasUndone?(e.sourcePosition=t.graveyardPosition.clone(),e.targetPosition=e.targetPosition._getTransformedByMergeOperation(t),[e]):[new mc(0)]}else if(!n.aWasUndone){const n=[];let i=t.graveyardPosition.clone(),o=t.targetPosition._getTransformedByMergeOperation(t);e.howMany>1&&(n.push(new Ha(e.sourcePosition,e.howMany-1,e.targetPosition,0)),i=i._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany-1),o=o._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany-1));const r=t.deletionPosition._getCombined(e.sourcePosition,e.targetPosition),s=new Ha(i,1,r,0),a=s.getMovedRangeStart().path.slice();a.push(0);const c=new As(s.targetPosition.root,a);o=o._getTransformedByMove(i,r,1);const l=new Ha(o,t.howMany,c,0);return n.push(s),n.push(l),n}const o=Ps._createFromPositionAndShift(e.sourcePosition,e.howMany)._getTransformedByMergeOperation(t);return e.sourcePosition=o.start,e.howMany=o.end.offset-o.start.offset,e.targetPosition=e.targetPosition._getTransformedByMergeOperation(t),[e]}),hm(qa,Ua,(e,t)=>(e.position=e.position._getTransformedByInsertOperation(t),[e])),hm(qa,Ga,(e,t)=>e.position.isEqual(t.deletionPosition)?(e.position=t.graveyardPosition.clone(),e.position.stickiness="toNext",[e]):(e.position=e.position._getTransformedByMergeOperation(t),[e])),hm(qa,Ha,(e,t)=>(e.position=e.position._getTransformedByMoveOperation(t),[e])),hm(qa,qa,(e,t,n)=>{if(e.position.isEqual(t.position)){if(!n.aIsStrong)return[new mc(0)];e.oldName=t.newName}return[e]}),hm(qa,Ya,(e,t)=>{if("same"==In(e.position.path,t.splitPosition.getParentPath())&&!t.graveyardPosition){const t=new qa(e.position.getShiftedBy(1),e.oldName,e.newName,0);return[e,t]}return e.position=e.position._getTransformedBySplitOperation(t),[e]}),hm($a,$a,(e,t,n)=>{if(e.root===t.root&&e.key===t.key){if(!n.aIsStrong||e.newValue===t.newValue)return[new mc(0)];e.oldValue=t.newValue}return[e]}),hm(Ya,Ua,(e,t)=>(e.splitPosition.hasSameParentAs(t.position)&&e.splitPosition.offset<t.position.offset&&(e.howMany+=t.howMany),e.splitPosition=e.splitPosition._getTransformedByInsertOperation(t),e.insertionPosition=Ya.getInsertionPosition(e.splitPosition),[e])),hm(Ya,Ga,(e,t,n)=>{if(!e.graveyardPosition&&!n.bWasUndone&&e.splitPosition.hasSameParentAs(t.sourcePosition)){const n=t.graveyardPosition.path.slice();n.push(0);const i=new As(t.graveyardPosition.root,n),o=Ya.getInsertionPosition(new As(t.graveyardPosition.root,n)),r=new Ya(i,0,null,0);return r.insertionPosition=o,e.splitPosition=e.splitPosition._getTransformedByMergeOperation(t),e.insertionPosition=Ya.getInsertionPosition(e.splitPosition),e.graveyardPosition=r.insertionPosition.clone(),e.graveyardPosition.stickiness="toNext",[r,e]}return e.splitPosition.hasSameParentAs(t.deletionPosition)&&!e.splitPosition.isAfter(t.deletionPosition)&&e.howMany--,e.splitPosition.hasSameParentAs(t.targetPosition)&&(e.howMany+=t.howMany),e.splitPosition=e.splitPosition._getTransformedByMergeOperation(t),e.insertionPosition=Ya.getInsertionPosition(e.splitPosition),e.graveyardPosition&&(e.graveyardPosition=e.graveyardPosition._getTransformedByMergeOperation(t)),[e]}),hm(Ya,Ha,(e,t,n)=>{const i=Ps._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.graveyardPosition){const o=i.start.isEqual(e.graveyardPosition)||i.containsPosition(e.graveyardPosition);if(!n.bWasUndone&&o){const n=e.splitPosition._getTransformedByMoveOperation(t),i=e.graveyardPosition._getTransformedByMoveOperation(t),o=i.path.slice();o.push(0);const r=new As(i.root,o);return[new Ha(n,e.howMany,r,0)]}e.graveyardPosition=e.graveyardPosition._getTransformedByMoveOperation(t)}if(e.splitPosition.hasSameParentAs(t.sourcePosition)&&i.containsPosition(e.splitPosition)){const n=t.howMany-(e.splitPosition.offset-t.sourcePosition.offset);return e.howMany-=n,e.splitPosition.hasSameParentAs(t.targetPosition)&&e.splitPosition.offset<t.targetPosition.offset&&(e.howMany+=t.howMany),e.splitPosition=t.sourcePosition.clone(),e.insertionPosition=Ya.getInsertionPosition(e.splitPosition),[e]}return!e.splitPosition.isEqual(t.targetPosition)||"insertAtSource"!=n.baRelation&&"splitBefore"!=n.abRelation?(t.sourcePosition.isEqual(t.targetPosition)||(e.splitPosition.hasSameParentAs(t.sourcePosition)&&e.splitPosition.offset<=t.sourcePosition.offset&&(e.howMany-=t.howMany),e.splitPosition.hasSameParentAs(t.targetPosition)&&e.splitPosition.offset<t.targetPosition.offset&&(e.howMany+=t.howMany)),e.splitPosition.stickiness="toNone",e.splitPosition=e.splitPosition._getTransformedByMoveOperation(t),e.splitPosition.stickiness="toNext",e.graveyardPosition?e.insertionPosition=e.insertionPosition._getTransformedByMoveOperation(t):e.insertionPosition=Ya.getInsertionPosition(e.splitPosition),[e]):(e.howMany+=t.howMany,e.splitPosition=e.splitPosition._getTransformedByDeletion(t.sourcePosition,t.howMany),e.insertionPosition=Ya.getInsertionPosition(e.splitPosition),[e])}),hm(Ya,Ya,(e,t,n)=>{if(e.splitPosition.isEqual(t.splitPosition)){if(!e.graveyardPosition&&!t.graveyardPosition)return[new mc(0)];if(e.graveyardPosition&&t.graveyardPosition&&e.graveyardPosition.isEqual(t.graveyardPosition))return[new mc(0)];if("splitBefore"==n.abRelation)return e.howMany=0,e.graveyardPosition=e.graveyardPosition._getTransformedBySplitOperation(t),[e]}if(e.graveyardPosition&&t.graveyardPosition&&e.graveyardPosition.isEqual(t.graveyardPosition)){const i="$graveyard"==e.splitPosition.root.rootName,o="$graveyard"==t.splitPosition.root.rootName,r=i&&!o;if(o&&!i||!r&&n.aIsStrong){const n=[];return t.howMany&&n.push(new Ha(t.moveTargetPosition,t.howMany,t.splitPosition,0)),e.howMany&&n.push(new Ha(e.splitPosition,e.howMany,e.moveTargetPosition,0)),n}return[new mc(0)]}if(e.graveyardPosition&&(e.graveyardPosition=e.graveyardPosition._getTransformedBySplitOperation(t)),e.splitPosition.isEqual(t.insertionPosition)&&"splitBefore"==n.abRelation)return e.howMany++,[e];if(t.splitPosition.isEqual(e.insertionPosition)&&"splitBefore"==n.baRelation){const n=t.insertionPosition.path.slice();n.push(0);const i=new As(t.insertionPosition.root,n);return[e,new Ha(e.insertionPosition,1,i,0)]}return e.splitPosition.hasSameParentAs(t.splitPosition)&&e.splitPosition.offset<t.splitPosition.offset&&(e.howMany-=t.howMany),e.splitPosition=e.splitPosition._getTransformedBySplitOperation(t),e.insertionPosition=Ya.getInsertionPosition(e.splitPosition),[e]});class ym extends cd{constructor(e){super(e),this._stack=[],this._createdBatches=new WeakSet,this.refresh(),this.listenTo(e.data,"set",()=>this.clearStack())}refresh(){this.isEnabled=this._stack.length>0}addBatch(e){const t=this.editor.model.document.selection,n={ranges:t.hasOwnRange?Array.from(t.getRanges()):[],isBackward:t.isBackward};this._stack.push({batch:e,selection:n}),this.refresh()}clearStack(){this._stack=[],this.refresh()}_restoreSelection(e,t,n){const i=this.editor.model,o=i.document,r=[],s=e.map(e=>e.getTransformedByOperations(n)),a=s.flat();for(const e of s){const t=e.filter(e=>!Am(e,a));xm(t);const n=t.find(e=>e.root!=o.graveyard);n&&r.push(n)}r.length&&i.change(e=>{e.setSelection(r,{backward:t})})}_undo(e,t){const n=this.editor.model,i=n.document;this._createdBatches.add(t);const o=e.operations.slice().filter(e=>e.isDocumentOperation);o.reverse();for(const e of o){const o=e.baseVersion+1,r=Array.from(i.history.getOperations(o)),s=fm([e.getReversed()],r,{useRelations:!0,document:this.editor.model.document,padWithNoOps:!1,forceWeakRemove:!0}).operationsA;for(const o of s)t.addOperation(o),n.applyOperation(o),i.history.setOperationAsUndone(e,o)}}}function xm(e){e.sort((e,t)=>e.start.isBefore(t.start)?-1:1);for(let t=1;t<e.length;t++){const n=e[t-1].getJoined(e[t],!0);n&&(t--,e.splice(t,2,n))}}function Am(e,t){return t.some(t=>t!==e&&t.containsRange(e,!0))}class Cm extends ym{execute(e=null){const t=e?this._stack.findIndex(t=>t.batch==e):this._stack.length-1,n=this._stack.splice(t,1)[0],i=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(i,()=>{this._undo(n.batch,i);const e=this.editor.model.document.history.getOperations(n.batch.baseVersion);this._restoreSelection(n.selection.ranges,n.selection.isBackward,e),this.fire("revert",n.batch,i)}),this.refresh()}}class Tm extends ym{execute(){const e=this._stack.pop(),t=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(t,()=>{const n=e.batch.operations[e.batch.operations.length-1].baseVersion+1,i=this.editor.model.document.history.getOperations(n);this._restoreSelection(e.selection.ranges,e.selection.isBackward,i),this._undo(e.batch,t)}),this.refresh()}}class Sm extends sd{static get pluginName(){return"UndoEditing"}constructor(e){super(e),this._batchRegistry=new WeakSet}init(){const e=this.editor;this._undoCommand=new Cm(e),this._redoCommand=new Tm(e),e.commands.add("undo",this._undoCommand),e.commands.add("redo",this._redoCommand),this.listenTo(e.model,"applyOperation",(e,t)=>{const n=t[0];if(!n.isDocumentOperation)return;const i=n.batch,o=this._redoCommand._createdBatches.has(i),r=this._undoCommand._createdBatches.has(i);this._batchRegistry.has(i)||"transparent"==i.type&&!o&&!r||(o?this._undoCommand.addBatch(i):r||(this._undoCommand.addBatch(i),this._redoCommand.clearStack()),this._batchRegistry.add(i))},{priority:"highest"}),this.listenTo(this._undoCommand,"revert",(e,t,n)=>{this._redoCommand.addBatch(n)}),e.keystrokes.set("CTRL+Z","undo"),e.keystrokes.set("CTRL+Y","redo"),e.keystrokes.set("CTRL+SHIFT+Z","redo")}}var Pm='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M5.042 9.367l2.189 1.837a.75.75 0 0 1-.965 1.149l-3.788-3.18a.747.747 0 0 1-.21-.284.75.75 0 0 1 .17-.945L6.23 4.762a.75.75 0 1 1 .964 1.15L4.863 7.866h8.917A.75.75 0 0 1 14 7.9a4 4 0 1 1-1.477 7.718l.344-1.489a2.5 2.5 0 1 0 1.094-4.73l.008-.032H5.042z"/></svg>',Em='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M14.958 9.367l-2.189 1.837a.75.75 0 0 0 .965 1.149l3.788-3.18a.747.747 0 0 0 .21-.284.75.75 0 0 0-.17-.945L13.77 4.762a.75.75 0 1 0-.964 1.15l2.331 1.955H6.22A.75.75 0 0 0 6 7.9a4 4 0 1 0 1.477 7.718l-.344-1.489A2.5 2.5 0 1 1 6.039 9.4l-.008-.032h8.927z"/></svg>';class Mm extends sd{init(){const e=this.editor,t=e.locale,n=e.t,i="ltr"==t.uiLanguageDirection?Pm:Em,o="ltr"==t.uiLanguageDirection?Em:Pm;this._addButton("undo",n("Undo"),"CTRL+Z",i),this._addButton("redo",n("Redo"),"CTRL+Y",o)}_addButton(e,t,n,i){const o=this.editor;o.ui.componentFactory.add(e,r=>{const s=o.commands.get(e),a=new Ul(r);return a.set({label:t,icon:i,keystroke:n,tooltip:!0}),a.bind("isEnabled").to(s,"isEnabled"),this.listenTo(a,"execute",()=>{o.execute(e),o.editing.view.focus()}),a})}}class Im extends sd{static get requires(){return[Sm,Mm]}static get pluginName(){return"Undo"}}class Nm extends cd{constructor(e,t){super(e),this.attributeKey=t}refresh(){const e=this.editor.model,t=e.document;this.value=t.selection.getAttribute(this.attributeKey),this.isEnabled=e.schema.checkAttributeInSelection(t.selection,this.attributeKey)}execute(e={}){const t=this.editor.model,n=t.document.selection,i=e.value;t.change(e=>{if(n.isCollapsed)i?e.setSelectionAttribute(this.attributeKey,i):e.removeSelectionAttribute(this.attributeKey);else{const o=t.schema.getValidRanges(n.getRanges(),this.attributeKey);for(const t of o)i?e.setAttribute(this.attributeKey,i,t):e.removeAttribute(this.attributeKey,t)}})}}class Rm extends Ul{constructor(e){super(e);const t=this.bindTemplate;this.set("color"),this.set("hasBorder"),this.icon='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path class="ck-icon__fill" d="M16.935 5.328a2 2 0 0 1 0 2.829l-7.778 7.778a2 2 0 0 1-2.829 0L3.5 13.107a1.999 1.999 0 1 1 2.828-2.829l.707.707a1 1 0 0 0 1.414 0l5.658-5.657a2 2 0 0 1 2.828 0z"/><path d="M14.814 6.035L8.448 12.4a1 1 0 0 1-1.414 0l-1.413-1.415A1 1 0 1 0 4.207 12.4l2.829 2.829a1 1 0 0 0 1.414 0l7.778-7.778a1 1 0 1 0-1.414-1.415z"/></svg>',this.extendTemplate({attributes:{style:{backgroundColor:t.to("color")},class:["ck","ck-color-grid__tile",t.if("hasBorder","ck-color-table__color-tile_bordered")]}})}render(){super.render(),this.iconView.fillColor="hsl(0, 0%, 100%)"}}n(55);class Om extends kl{constructor(e,t){super(e);const n=t&&t.colorDefinitions||[],i={};t&&t.columns&&(i.gridTemplateColumns=`repeat( ${t.columns}, 1fr)`),this.set("selectedColor"),this.items=this.createCollection(),this.focusTracker=new Hc,this.keystrokes=new Rc,this._focusCycler=new Ml({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowleft",focusNext:"arrowright"}}),this.items.on("add",(e,t)=>{t.isOn=t.color===this.selectedColor}),n.forEach(e=>{const t=new Rm;t.set({color:e.color,label:e.label,tooltip:!0,hasBorder:e.options.hasBorder}),t.on("execute",()=>{this.fire("execute",{value:e.color,hasBorder:e.options.hasBorder,label:e.label})}),this.items.add(t)}),this.setTemplate({tag:"div",children:this.items,attributes:{class:["ck","ck-color-grid"],style:i}}),this.on("change:selectedColor",(e,t,n)=>{for(const e of this.items)e.isOn=e.color===n})}focus(){this.items.length&&this.items.first.focus()}focusLast(){this.items.length&&this.items.last.focus()}render(){super.render();for(const e of this.items)this.focusTracker.add(e.element);this.items.on("add",(e,t)=>{this.focusTracker.add(t.element)}),this.items.on("remove",(e,t)=>{this.focusTracker.remove(t.element)}),this.keystrokes.listenTo(this.element)}}class zm extends An{constructor(e){super(e),this.set("isEmpty",!0),this.on("change",()=>{this.set("isEmpty",0===this.length)})}add(e,t){this.find(t=>t.color===e.color)||super.add(e,t)}hasColor(e){return!!this.find(t=>t.color===e)}}xn(zm,Hi);var Dm='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M8.636 9.531l-2.758 3.94a.5.5 0 0 0 .122.696l3.224 2.284h1.314l2.636-3.736L8.636 9.53zm.288 8.451L5.14 15.396a2 2 0 0 1-.491-2.786l6.673-9.53a2 2 0 0 1 2.785-.49l3.742 2.62a2 2 0 0 1 .491 2.785l-7.269 10.053-2.147-.066z"/><path d="M4 18h5.523v-1H4zm-2 0h1v-1H2z"/></svg>';n(57);class Lm extends kl{constructor(e,{colors:t,columns:n,removeButtonLabel:i,documentColorsLabel:o,documentColorsCount:r}){super(e),this.items=this.createCollection(),this.colorDefinitions=t,this.focusTracker=new Hc,this.keystrokes=new Rc,this.set("selectedColor"),this.removeButtonLabel=i,this.columns=n,this.documentColors=new zm,this.documentColorsCount=r,this._focusCycler=new Ml({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowup",focusNext:"arrowdown"}}),this._documentColorsLabel=o,this.setTemplate({tag:"div",attributes:{class:["ck","ck-color-table"]},children:this.items}),this.items.add(this._removeColorButton())}updateDocumentColors(e,t){const n=e.document,i=this.documentColorsCount;this.documentColors.clear();for(const o of n.getRootNames()){const r=n.getRoot(o),s=e.createRangeIn(r);for(const e of s.getItems())if(e.is("$textProxy")&&e.hasAttribute(t)&&(this._addColorToDocumentColors(e.getAttribute(t)),this.documentColors.length>=i))return}}updateSelectedColors(){const e=this.documentColorsGrid,t=this.staticColorsGrid,n=this.selectedColor;t.selectedColor=n,e&&(e.selectedColor=n)}render(){super.render();for(const e of this.items)this.focusTracker.add(e.element);this.keystrokes.listenTo(this.element)}appendGrids(){if(!this.staticColorsGrid&&(this.staticColorsGrid=this._createStaticColorsGrid(),this.items.add(this.staticColorsGrid),this.documentColorsCount)){const e=el.bind(this.documentColors,this.documentColors),t=new xl(this.locale);t.text=this._documentColorsLabel,t.extendTemplate({attributes:{class:["ck","ck-color-grid__label",e.if("isEmpty","ck-hidden")]}}),this.items.add(t),this.documentColorsGrid=this._createDocumentColorsGrid(),this.items.add(this.documentColorsGrid)}}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}_removeColorButton(){const e=new Ul;return e.set({withText:!0,icon:Dm,tooltip:!0,label:this.removeButtonLabel}),e.class="ck-color-table__remove-color",e.on("execute",()=>{this.fire("execute",{value:null})}),e}_createStaticColorsGrid(){const e=new Om(this.locale,{colorDefinitions:this.colorDefinitions,columns:this.columns});return e.delegate("execute").to(this),e}_createDocumentColorsGrid(){const e=el.bind(this.documentColors,this.documentColors),t=new Om(this.locale,{columns:this.columns});return t.delegate("execute").to(this),t.extendTemplate({attributes:{class:e.if("isEmpty","ck-hidden")}}),t.items.bindTo(this.documentColors).using(e=>{const t=new Rm;return t.set({color:e.color,hasBorder:e.options&&e.options.hasBorder}),e.label&&t.set({label:e.label,tooltip:!0}),t.on("execute",()=>{this.fire("execute",{value:e.color})}),t}),this.documentColors.on("change:isEmpty",(e,n,i)=>{i&&(t.selectedColor=null)}),t}_addColorToDocumentColors(e){const t=this.colorDefinitions.find(t=>t.color===e);t?this.documentColors.add(Object.assign({},t)):this.documentColors.add({color:e,label:e,options:{hasBorder:!1}})}}function Vm(e,t){const n={model:{key:e,values:[]},view:{},upcastAlso:{}};for(const e of t)n.model.values.push(e.model),n.view[e.model]=e.view,e.upcastAlso&&(n.upcastAlso[e.model]=e.upcastAlso);return n}function jm(e){return t=>t.getStyle(e).replace(/\s/g,"")}function Bm(e){return(t,n)=>n.createAttributeElement("span",{style:`${e}:${t}`},{priority:7})}class Fm extends Nm{constructor(e){super(e,"fontBackgroundColor")}}const Hm=/^#([0-9a-f]{3,4}|[0-9a-f]{6}|[0-9a-f]{8})$/i,Um=/^rgb\([ ]?([0-9]{1,3}[ %]?,[ ]?){2,3}[0-9]{1,3}[ %]?\)$/i,Wm=/^rgba\([ ]?([0-9]{1,3}[ %]?,[ ]?){3}(1|[0-9]+%|[0]?\.?[0-9]+)\)$/i,qm=/^hsl\([ ]?([0-9]{1,3}[ %]?[,]?[ ]*){3}(1|[0-9]+%|[0]?\.?[0-9]+)?\)$/i,$m=/^hsla\([ ]?([0-9]{1,3}[ %]?,[ ]?){2,3}(1|[0-9]+%|[0]?\.?[0-9]+)\)$/i,Gm=new Set(["black","silver","gray","white","maroon","red","purple","fuchsia","green","lime","olive","yellow","navy","blue","teal","aqua","orange","aliceblue","antiquewhite","aquamarine","azure","beige","bisque","blanchedalmond","blueviolet","brown","burlywood","cadetblue","chartreuse","chocolate","coral","cornflowerblue","cornsilk","crimson","cyan","darkblue","darkcyan","darkgoldenrod","darkgray","darkgreen","darkgrey","darkkhaki","darkmagenta","darkolivegreen","darkorange","darkorchid","darkred","darksalmon","darkseagreen","darkslateblue","darkslategray","darkslategrey","darkturquoise","darkviolet","deeppink","deepskyblue","dimgray","dimgrey","dodgerblue","firebrick","floralwhite","forestgreen","gainsboro","ghostwhite","gold","goldenrod","greenyellow","grey","honeydew","hotpink","indianred","indigo","ivory","khaki","lavender","lavenderblush","lawngreen","lemonchiffon","lightblue","lightcoral","lightcyan","lightgoldenrodyellow","lightgray","lightgreen","lightgrey","lightpink","lightsalmon","lightseagreen","lightskyblue","lightslategray","lightslategrey","lightsteelblue","lightyellow","limegreen","linen","magenta","mediumaquamarine","mediumblue","mediumorchid","mediumpurple","mediumseagreen","mediumslateblue","mediumspringgreen","mediumturquoise","mediumvioletred","midnightblue","mintcream","mistyrose","moccasin","navajowhite","oldlace","olivedrab","orangered","orchid","palegoldenrod","palegreen","paleturquoise","palevioletred","papayawhip","peachpuff","peru","pink","plum","powderblue","rosybrown","royalblue","saddlebrown","salmon","sandybrown","seagreen","seashell","sienna","skyblue","slateblue","slategray","slategrey","snow","springgreen","steelblue","tan","thistle","tomato","turquoise","violet","wheat","whitesmoke","yellowgreen","rebeccapurple","currentcolor","transparent"]);function Ym(e){return e.startsWith("#")?Hm.test(e):e.startsWith("rgb")?Um.test(e)||Wm.test(e):e.startsWith("hsl")?qm.test(e)||$m.test(e):Gm.has(e.toLowerCase())}const Km=["repeat-x","repeat-y","repeat","space","round","no-repeat"];const Qm=["center","top","bottom","left","right"];function Jm(e){return Qm.includes(e)}const Zm=["fixed","scroll","local"];function Xm(e){return Zm.includes(e)}const eg=/^url\(/;function tg(e){return eg.test(e)}function ng(e=""){if(""===e)return{top:void 0,right:void 0,bottom:void 0,left:void 0};const t=og(e),n=t[0],i=t[2]||n,o=t[1]||n;return{top:n,bottom:i,right:o,left:t[3]||o}}function ig({top:e,right:t,bottom:n,left:i}){const o=[];return i!==t?o.push(e,t,n,i):n!==e?o.push(e,t,n):t!==e?o.push(e,t):o.push(e),o.join(" ")}function og(e){return e.replace(/, /g,",").split(" ").map(e=>e.replace(/,/g,", "))}function rg(e){e.setNormalizer("background",sg),e.setNormalizer("background-color",e=>({path:"background.color",value:e})),e.setReducer("background",e=>{const t=[];return t.push(["background-color",e.color]),t})}function sg(e){const t={},n=og(e);for(const e of n)i=e,Km.includes(i)?(t.repeat=t.repeat||[],t.repeat.push(e)):Jm(e)?(t.position=t.position||[],t.position.push(e)):Xm(e)?t.attachment=e:Ym(e)?t.color=e:tg(e)&&(t.image=e);var i;return{path:"background",value:t}}class ag extends sd{static get pluginName(){return"FontBackgroundColorEditing"}constructor(e){super(e),e.config.define("fontBackgroundColor",{colors:[{color:"hsl(0, 0%, 0%)",label:"Black"},{color:"hsl(0, 0%, 30%)",label:"Dim grey"},{color:"hsl(0, 0%, 60%)",label:"Grey"},{color:"hsl(0, 0%, 90%)",label:"Light grey"},{color:"hsl(0, 0%, 100%)",label:"White",hasBorder:!0},{color:"hsl(0, 75%, 60%)",label:"Red"},{color:"hsl(30, 75%, 60%)",label:"Orange"},{color:"hsl(60, 75%, 60%)",label:"Yellow"},{color:"hsl(90, 75%, 60%)",label:"Light green"},{color:"hsl(120, 75%, 60%)",label:"Green"},{color:"hsl(150, 75%, 60%)",label:"Aquamarine"},{color:"hsl(180, 75%, 60%)",label:"Turquoise"},{color:"hsl(210, 75%, 60%)",label:"Light blue"},{color:"hsl(240, 75%, 60%)",label:"Blue"},{color:"hsl(270, 75%, 60%)",label:"Purple"}],columns:5}),e.data.addStyleProcessorRules(rg),e.conversion.for("upcast").elementToAttribute({view:{name:"span",styles:{"background-color":/[\s\S]+/}},model:{key:"fontBackgroundColor",value:jm("background-color")}}),e.conversion.for("downcast").attributeToElement({model:"fontBackgroundColor",view:Bm("background-color")}),e.commands.add("fontBackgroundColor",new Fm(e)),e.model.schema.extend("$text",{allowAttributes:"fontBackgroundColor"}),e.model.schema.setAttributeProperties("fontBackgroundColor",{isFormatting:!0,copyOnEnter:!0})}}function cg(e){return"string"==typeof e?{model:e,label:e,hasBorder:!1,view:{name:"span",styles:{color:e}}}:{model:e.color,label:e.label||e.color,hasBorder:void 0!==e.hasBorder&&e.hasBorder,view:{name:"span",styles:{color:""+e.color}}}}class lg extends sd{constructor(e,{commandName:t,icon:n,componentName:i,dropdownLabel:o}){super(e),this.commandName=t,this.componentName=i,this.icon=n,this.dropdownLabel=o,this.columns=e.config.get(this.componentName+".columns"),this.colorTableView}init(){const e=this.editor,t=e.locale,n=t.t,i=e.commands.get(this.commandName);const o=function(e,t){const n=e.t,i={Black:n("Black"),"Dim grey":n("Dim grey"),Grey:n("Grey"),"Light grey":n("Light grey"),White:n("White"),Red:n("Red"),Orange:n("Orange"),Yellow:n("Yellow"),"Light green":n("Light green"),Green:n("Green"),Aquamarine:n("Aquamarine"),Turquoise:n("Turquoise"),"Light blue":n("Light blue"),Blue:n("Blue"),Purple:n("Purple")};return t.map(e=>{const t=i[e.label];return t&&t!=e.label&&(e.label=t),e})}(t,e.config.get(this.componentName).colors.map(cg).filter(e=>!!e)),r=e.config.get(this.componentName+".documentColors");e.ui.componentFactory.add(this.componentName,t=>{const s=Jl(t);return this.colorTableView=function({dropdownView:e,colors:t,columns:n,removeButtonLabel:i,documentColorsLabel:o,documentColorsCount:r}){const s=e.locale,a=new Lm(s,{colors:t,columns:n,removeButtonLabel:i,documentColorsLabel:o,documentColorsCount:r});return e.colorTableView=a,e.panelView.children.add(a),a.delegate("execute").to(e,"execute"),a}({dropdownView:s,colors:o.map(e=>({label:e.label,color:e.model,options:{hasBorder:e.hasBorder}})),columns:this.columns,removeButtonLabel:n("Remove color"),documentColorsLabel:0!==r?n("Document colors"):void 0,documentColorsCount:void 0===r?this.columns:r}),this.colorTableView.bind("selectedColor").to(i,"value"),s.buttonView.set({label:this.dropdownLabel,icon:this.icon,tooltip:!0}),s.extendTemplate({attributes:{class:"ck-color-ui-dropdown"}}),s.bind("isEnabled").to(i),s.on("execute",(t,n)=>{e.execute(this.commandName,n),e.editing.view.focus()}),s.on("change:isOpen",(t,n,i)=>{s.colorTableView.appendGrids(),i&&(0!==r&&this.colorTableView.updateDocumentColors(e.model,this.componentName),this.colorTableView.updateSelectedColors())}),s})}}class dg extends lg{constructor(e){super(e,{commandName:"fontBackgroundColor",componentName:"fontBackgroundColor",icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M4 2h12a2 2 0 0 1 2 2v12a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2zm8.38 9.262H7.62L10 5.506l2.38 5.756zm.532 1.285L14.34 16h1.426L10.804 4H9.196L4.234 16H5.66l1.428-3.453h5.824z"/></svg>',dropdownLabel:(0,e.locale.t)("Font Background Color")})}static get pluginName(){return"FontBackgroundColorUI"}}class ug extends Nm{constructor(e){super(e,"fontColor")}}class hg extends sd{static get pluginName(){return"FontColorEditing"}constructor(e){super(e),e.config.define("fontColor",{colors:[{color:"hsl(0, 0%, 0%)",label:"Black"},{color:"hsl(0, 0%, 30%)",label:"Dim grey"},{color:"hsl(0, 0%, 60%)",label:"Grey"},{color:"hsl(0, 0%, 90%)",label:"Light grey"},{color:"hsl(0, 0%, 100%)",label:"White",hasBorder:!0},{color:"hsl(0, 75%, 60%)",label:"Red"},{color:"hsl(30, 75%, 60%)",label:"Orange"},{color:"hsl(60, 75%, 60%)",label:"Yellow"},{color:"hsl(90, 75%, 60%)",label:"Light green"},{color:"hsl(120, 75%, 60%)",label:"Green"},{color:"hsl(150, 75%, 60%)",label:"Aquamarine"},{color:"hsl(180, 75%, 60%)",label:"Turquoise"},{color:"hsl(210, 75%, 60%)",label:"Light blue"},{color:"hsl(240, 75%, 60%)",label:"Blue"},{color:"hsl(270, 75%, 60%)",label:"Purple"}],columns:5}),e.conversion.for("upcast").elementToAttribute({view:{name:"span",styles:{color:/[\s\S]+/}},model:{key:"fontColor",value:jm("color")}}),e.conversion.for("downcast").attributeToElement({model:"fontColor",view:Bm("color")}),e.commands.add("fontColor",new ug(e)),e.model.schema.extend("$text",{allowAttributes:"fontColor"}),e.model.schema.setAttributeProperties("fontColor",{isFormatting:!0,copyOnEnter:!0})}}class mg extends lg{constructor(e){super(e,{commandName:"fontColor",componentName:"fontColor",icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M12.4 10.3L10 4.5l-2.4 5.8h4.8zm.5 1.2H7.1L5.7 15H4.2l5-12h1.6l5 12h-1.5L13 11.5zm3.1 7H4a1 1 0 0 1 0-2h12a1 1 0 0 1 0 2z"/></svg>',dropdownLabel:(0,e.locale.t)("Font Color")})}static get pluginName(){return"FontColorUI"}}class gg extends Nm{constructor(e){super(e,"fontFamily")}}function fg(e){return e.map(pg).filter(e=>!!e)}function pg(e){return"object"==typeof e?e:"default"===e?{title:"Default",model:void 0}:"string"==typeof e?function(e){const t=e.replace(/"|'/g,"").split(","),n=t[0],i=t.map(bg).join(", ");return{title:n,model:i,view:{name:"span",styles:{"font-family":i},priority:7}}}(e):void 0}function bg(e){return(e=e.trim()).indexOf(" ")>0&&(e=`'${e}'`),e}class wg extends sd{static get pluginName(){return"FontFamilyEditing"}constructor(e){super(e),e.config.define("fontFamily",{options:["default","Arial, Helvetica, sans-serif","Courier New, Courier, monospace","Georgia, serif","Lucida Sans Unicode, Lucida Grande, sans-serif","Tahoma, Geneva, sans-serif","Times New Roman, Times, serif","Trebuchet MS, Helvetica, sans-serif","Verdana, Geneva, sans-serif"],supportAllValues:!1})}init(){const e=this.editor;e.model.schema.extend("$text",{allowAttributes:"fontFamily"}),e.model.schema.setAttributeProperties("fontFamily",{isFormatting:!0,copyOnEnter:!0});const t=Vm("fontFamily",fg(e.config.get("fontFamily.options")).filter(e=>e.model));e.config.get("fontFamily.supportAllValues")?this._prepareAnyValueConverters():e.conversion.attributeToElement(t),e.commands.add("fontFamily",new gg(e))}_prepareAnyValueConverters(){const e=this.editor;e.conversion.for("downcast").attributeToElement({model:"fontFamily",view:(e,t)=>t.createAttributeElement("span",{style:"font-family:"+e},{priority:7})}),e.conversion.for("upcast").attributeToAttribute({model:{key:"fontFamily",value:e=>e.getStyle("font-family")},view:{name:"span",styles:{"font-family":/.*/}}})}}class kg extends sd{init(){const e=this.editor,t=e.t,n=this._getLocalizedOptions(),i=e.commands.get("fontFamily");e.ui.componentFactory.add("fontFamily",o=>{const r=Jl(o);return Xl(r,function(e,t){const n=new An;for(const i of e){const e={type:"button",model:new Kh({commandName:"fontFamily",commandParam:i.model,label:i.title,withText:!0})};e.model.bind("isOn").to(t,"value",e=>e===i.model||!(!e||!i.model)&&e.split(",")[0].replace(/'/g,"").toLowerCase()===i.model.toLowerCase()),i.view&&i.view.styles&&e.model.set("labelStyle","font-family: "+i.view.styles["font-family"]),n.add(e)}return n}(n,i)),r.buttonView.set({label:t("Font Family"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.03 3h6.149a.75.75 0 1 1 0 1.5h-5.514L11.03 3zm1.27 3h4.879a.75.75 0 1 1 0 1.5h-4.244L12.3 6zm1.27 3h3.609a.75.75 0 1 1 0 1.5h-2.973L13.57 9zm-2.754 2.5L8.038 4.785 5.261 11.5h5.555zm.62 1.5H4.641l-1.666 4.028H1.312l5.789-14h1.875l5.789 14h-1.663L11.436 13z"/></svg>',tooltip:!0}),r.extendTemplate({attributes:{class:"ck-font-family-dropdown"}}),r.bind("isEnabled").to(i),this.listenTo(r,"execute",t=>{e.execute(t.source.commandName,{value:t.source.commandParam}),e.editing.view.focus()}),r})}_getLocalizedOptions(){const e=this.editor,t=e.t;return fg(e.config.get("fontFamily").options).map(e=>("Default"===e.title&&(e.title=t("Default")),e))}}class _g extends Nm{constructor(e){super(e,"fontSize")}}function vg(e){return e.map(e=>function(e){if(t=e,"object"==typeof t&&t.title&&t.model&&t.view)return xg(e);var t;const n=function(e){return yg[e]||yg[e.model]}(e);if(n)return xg(n);if("default"===e)return{model:void 0,title:"Default"};if(function(e){let t;if("object"==typeof e){if(!e.model)throw new hn.b("font-size-invalid-definition: Provided font size definition is invalid.",null,e);t=parseFloat(e.model)}else t=parseFloat(e);return isNaN(t)}(e))return;return function(e){"number"!=typeof e&&"string"!=typeof e||(e={title:String(e),model:parseFloat(e)+"px"});return e.view={name:"span",styles:{"font-size":e.model}},xg(e)}(e)}(e)).filter(e=>!!e)}const yg={get tiny(){return{title:"Tiny",model:"tiny",view:{name:"span",classes:"text-tiny",priority:7}}},get small(){return{title:"Small",model:"small",view:{name:"span",classes:"text-small",priority:7}}},get big(){return{title:"Big",model:"big",view:{name:"span",classes:"text-big",priority:7}}},get huge(){return{title:"Huge",model:"huge",view:{name:"span",classes:"text-huge",priority:7}}}};function xg(e){return e.view.priority||(e.view.priority=7),e}class Ag extends sd{static get pluginName(){return"FontSizeEditing"}constructor(e){super(e),e.config.define("fontSize",{options:["tiny","small","default","big","huge"],supportAllValues:!1})}init(){const e=this.editor;e.model.schema.extend("$text",{allowAttributes:"fontSize"}),e.model.schema.setAttributeProperties("fontSize",{isFormatting:!0,copyOnEnter:!0});const t=e.config.get("fontSize.supportAllValues"),n=Vm("fontSize",vg(this.editor.config.get("fontSize.options")).filter(e=>e.model));t?this._prepareAnyValueConverters(n):e.conversion.attributeToElement(n),e.commands.add("fontSize",new _g(e))}_prepareAnyValueConverters(e){const t=this.editor,n=e.model.values.filter(e=>!String(e).match(/[\d.]+[\w%]+/));if(n.length)throw new hn.b("font-size-invalid-use-of-named-presets: If config.fontSize.supportAllValues is set to true, you need to use numerical values as font size options.",null,{presets:n});t.conversion.for("downcast").attributeToElement({model:"fontSize",view:(e,t)=>{if(e)return t.createAttributeElement("span",{style:"font-size:"+e},{priority:7})}}),t.conversion.for("upcast").attributeToAttribute({model:{key:"fontSize",value:e=>e.getStyle("font-size")},view:{name:"span"}})}}n(59);class Cg extends sd{init(){const e=this.editor,t=e.t,n=this._getLocalizedOptions(),i=e.commands.get("fontSize");e.ui.componentFactory.add("fontSize",o=>{const r=Jl(o);return Xl(r,function(e,t){const n=new An;for(const i of e){const e={type:"button",model:new Kh({commandName:"fontSize",commandParam:i.model,label:i.title,class:"ck-fontsize-option",withText:!0})};i.view&&i.view.styles&&e.model.set("labelStyle","font-size:"+i.view.styles["font-size"]),i.view&&i.view.classes&&e.model.set("class",`${e.model.class} ${i.view.classes}`),e.model.bind("isOn").to(t,"value",e=>e===i.model),n.add(e)}return n}(n,i)),r.buttonView.set({label:t("Font Size"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M9.816 11.5L7.038 4.785 4.261 11.5h5.555zm.62 1.5H3.641l-1.666 4.028H.312l5.789-14h1.875l5.789 14h-1.663L10.436 13zm7.55 2.279l.779-.779.707.707-2.265 2.265-2.193-2.265.707-.707.765.765V4.825c0-.042 0-.083.002-.123l-.77.77-.707-.707L17.207 2.5l2.265 2.265-.707.707-.782-.782c.002.043.003.089.003.135v10.454z"/></svg>',tooltip:!0}),r.extendTemplate({attributes:{class:["ck-font-size-dropdown"]}}),r.bind("isEnabled").to(i),this.listenTo(r,"execute",t=>{e.execute(t.source.commandName,{value:t.source.commandParam}),e.editing.view.focus()}),r})}_getLocalizedOptions(){const e=this.editor,t=e.t,n={Default:t("Default"),Tiny:t("Tiny"),Small:t("Small"),Big:t("Big"),Huge:t("Huge")};return vg(e.config.get("fontSize").options).map(e=>{const t=n[e.title];return t&&t!=e.title&&(e=Object.assign({},e,{title:t})),e})}}class Tg extends cd{refresh(){const e=this.editor.model,t=dd(e.document.selection.getSelectedBlocks());this.value=!!t&&t.is("element","paragraph"),this.isEnabled=!!t&&Sg(t,e.schema)}execute(e={}){const t=this.editor.model,n=t.document;t.change(i=>{const o=(e.selection||n.selection).getSelectedBlocks();for(const e of o)!e.is("element","paragraph")&&Sg(e,t.schema)&&i.rename(e,"paragraph")})}}function Sg(e,t){return t.checkChild(e.parent,"paragraph")&&!t.isObject(e)}class Pg extends cd{execute(e){const t=this.editor.model;let n=e.position;t.change(e=>{const i=e.createElement("paragraph");if(!t.schema.checkChild(n.parent,i)){const o=t.schema.findAllowedParent(n,i);if(!o)return;n=e.split(n,o).position}t.insertContent(i,n),e.setSelection(i,"in")})}}class Eg extends sd{static get pluginName(){return"Paragraph"}init(){const e=this.editor,t=e.model,n=e.data;e.commands.add("paragraph",new Tg(e)),e.commands.add("insertParagraph",new Pg(e)),t.schema.register("paragraph",{inheritAllFrom:"$block"}),e.conversion.elementToElement({model:"paragraph",view:"p"}),e.conversion.for("upcast").elementToElement({model:(e,t)=>Eg.paragraphLikeElements.has(e.name)?e.isEmpty?null:t.createElement("paragraph"):null,converterPriority:"low"}),n.upcastDispatcher.on("element",(e,t,n)=>{n.consumable.test(t.viewItem,{name:t.viewItem.name})&&Ig(t.viewItem,t.modelCursor,n.schema)&&Object.assign(t,Mg(t.viewItem,t.modelCursor,n))},{priority:"low"}),n.upcastDispatcher.on("text",(e,t,n)=>{t.modelRange||Ig(t.viewItem,t.modelCursor,n.schema)&&Object.assign(t,Mg(t.viewItem,t.modelCursor,n))},{priority:"lowest"}),t.document.registerPostFixer(e=>this._autoparagraphEmptyRoots(e)),e.data.on("ready",()=>{t.enqueueChange("transparent",e=>this._autoparagraphEmptyRoots(e))},{priority:"lowest"})}_autoparagraphEmptyRoots(e){const t=this.editor.model;for(const n of t.document.getRootNames()){const i=t.document.getRoot(n);if(i.isEmpty&&"$graveyard"!=i.rootName&&t.schema.checkChild(i,"paragraph"))return e.insertElement("paragraph",i),!0}}}function Mg(e,t,n){const i=n.writer.createElement("paragraph");return n.writer.insert(i,t),n.convertItem(e,n.writer.createPositionAt(i,0))}function Ig(e,t,n){const i=n.createContext(t);return!!n.checkChild(i,"paragraph")&&!!n.checkChild(i.push("paragraph"),e)}Eg.paragraphLikeElements=new Set(["blockquote","dd","div","dt","h1","h2","h3","h4","h5","h6","li","p","td"]);class Ng extends cd{constructor(e,t){super(e),this.modelElements=t}refresh(){const e=dd(this.editor.model.document.selection.getSelectedBlocks());this.value=!!e&&this.modelElements.includes(e.name)&&e.name,this.isEnabled=!!e&&this.modelElements.some(t=>Rg(e,t,this.editor.model.schema))}execute(e){const t=this.editor.model,n=t.document,i=e.value;t.change(e=>{const o=Array.from(n.selection.getSelectedBlocks()).filter(e=>Rg(e,i,t.schema));for(const t of o)t.is("element",i)||e.rename(t,i)})}}function Rg(e,t,n){return n.checkChild(e.parent,t)&&!n.isObject(e)}class Og extends sd{static get pluginName(){return"HeadingEditing"}constructor(e){super(e),e.config.define("heading",{options:[{model:"paragraph",title:"Paragraph",class:"ck-heading_paragraph"},{model:"heading1",view:"h2",title:"Heading 1",class:"ck-heading_heading1"},{model:"heading2",view:"h3",title:"Heading 2",class:"ck-heading_heading2"},{model:"heading3",view:"h4",title:"Heading 3",class:"ck-heading_heading3"}]})}static get requires(){return[Eg]}init(){const e=this.editor,t=e.config.get("heading.options"),n=[];for(const i of t)"paragraph"!==i.model&&(e.model.schema.register(i.model,{inheritAllFrom:"$block"}),e.conversion.elementToElement(i),n.push(i.model));this._addDefaultH1Conversion(e),e.commands.add("heading",new Ng(e,n))}afterInit(){const e=this.editor,t=e.commands.get("enter"),n=e.config.get("heading.options");t&&this.listenTo(t,"afterExecute",(t,i)=>{const o=e.model.document.selection.getFirstPosition().parent;n.some(e=>o.is("element",e.model))&&!o.is("element","paragraph")&&0===o.childCount&&i.writer.rename(o,"paragraph")})}_addDefaultH1Conversion(e){e.conversion.for("upcast").elementToElement({model:"heading1",view:"h1",converterPriority:un.get("low")+1})}}n(12);class zg extends sd{init(){const e=this.editor,t=e.t,n=function(e){const t=e.t,n={Paragraph:t("Paragraph"),"Heading 1":t("Heading 1"),"Heading 2":t("Heading 2"),"Heading 3":t("Heading 3"),"Heading 4":t("Heading 4"),"Heading 5":t("Heading 5"),"Heading 6":t("Heading 6")};return e.config.get("heading.options").map(e=>{const t=n[e.title];return t&&t!=e.title&&(e.title=t),e})}(e),i=t("Choose heading"),o=t("Heading");e.ui.componentFactory.add("heading",t=>{const r={},s=new An,a=e.commands.get("heading"),c=e.commands.get("paragraph"),l=[a];for(const e of n){const t={type:"button",model:new Kh({label:e.title,class:e.class,withText:!0})};"paragraph"===e.model?(t.model.bind("isOn").to(c,"value"),t.model.set("commandName","paragraph"),l.push(c)):(t.model.bind("isOn").to(a,"value",t=>t===e.model),t.model.set({commandName:"heading",commandValue:e.model})),s.add(t),r[e.model]=e.title}const d=Jl(t);return Xl(d,s),d.buttonView.set({isOn:!1,withText:!0,tooltip:o}),d.extendTemplate({attributes:{class:["ck-heading-dropdown"]}}),d.bind("isEnabled").toMany(l,"isEnabled",(...e)=>e.some(e=>e)),d.buttonView.bind("label").to(a,"value",c,"value",(e,t)=>{const n=e||t&&"paragraph";return r[n]?r[n]:i}),this.listenTo(d,"execute",t=>{e.execute(t.source.commandName,t.source.commandValue?{value:t.source.commandValue}:void 0),e.editing.view.focus()}),d})}}class Dg extends cd{refresh(){const e=this.editor.model,t=e.document;this.value=t.selection.getAttribute("highlight"),this.isEnabled=e.schema.checkAttributeInSelection(t.selection,"highlight")}execute(e={}){const t=this.editor.model,n=t.document.selection,i=e.value;t.change(e=>{const o=t.schema.getValidRanges(n.getRanges(),"highlight");if(n.isCollapsed){const t=n.getFirstPosition();if(n.hasAttribute("highlight")){const n=e=>e.item.hasAttribute("highlight")&&e.item.getAttribute("highlight")===this.value,o=t.getLastMatchingPosition(n,{direction:"backward"}),r=t.getLastMatchingPosition(n),s=e.createRange(o,r);i&&this.value!==i?(e.setAttribute("highlight",i,s),e.setSelectionAttribute("highlight",i)):(e.removeAttribute("highlight",s),e.removeSelectionAttribute("highlight"))}else i&&e.setSelectionAttribute("highlight",i)}else for(const t of o)i?e.setAttribute("highlight",i,t):e.removeAttribute("highlight",t)})}}class Lg extends sd{static get pluginName(){return"HighlightEditing"}constructor(e){super(e),e.config.define("highlight",{options:[{model:"yellowMarker",class:"marker-yellow",title:"Yellow marker",color:"var(--ck-highlight-marker-yellow)",type:"marker"},{model:"greenMarker",class:"marker-green",title:"Green marker",color:"var(--ck-highlight-marker-green)",type:"marker"},{model:"pinkMarker",class:"marker-pink",title:"Pink marker",color:"var(--ck-highlight-marker-pink)",type:"marker"},{model:"blueMarker",class:"marker-blue",title:"Blue marker",color:"var(--ck-highlight-marker-blue)",type:"marker"},{model:"redPen",class:"pen-red",title:"Red pen",color:"var(--ck-highlight-pen-red)",type:"pen"},{model:"greenPen",class:"pen-green",title:"Green pen",color:"var(--ck-highlight-pen-green)",type:"pen"}]})}init(){const e=this.editor;e.model.schema.extend("$text",{allowAttributes:"highlight"});const t=e.config.get("highlight.options");e.conversion.attributeToElement(function(e){const t={model:{key:"highlight",values:[]},view:{}};for(const n of e)t.model.values.push(n.model),t.view[n.model]={name:"mark",classes:n.class};return t}(t)),e.commands.add("highlight",new Dg(e))}}n(62);class Vg extends sd{get localizedOptionTitles(){const e=this.editor.t;return{"Yellow marker":e("Yellow marker"),"Green marker":e("Green marker"),"Pink marker":e("Pink marker"),"Blue marker":e("Blue marker"),"Red pen":e("Red pen"),"Green pen":e("Green pen")}}static get pluginName(){return"HighlightUI"}init(){const e=this.editor.config.get("highlight.options");for(const t of e)this._addHighlighterButton(t);this._addRemoveHighlightButton(),this._addDropdown(e)}_addRemoveHighlightButton(){const e=this.editor.t;this._addButton("removeHighlight",e("Remove highlight"),Dm)}_addHighlighterButton(e){const t=this.editor.commands.get("highlight");this._addButton("highlight:"+e.model,e.title,jg(e.type),e.model,(function(n){n.bind("isEnabled").to(t,"isEnabled"),n.bind("isOn").to(t,"value",t=>t===e.model),n.iconView.fillColor=e.color,n.isToggleable=!0}))}_addButton(e,t,n,i,o=(()=>{})){const r=this.editor;r.ui.componentFactory.add(e,e=>{const s=new Ul(e),a=this.localizedOptionTitles[t]?this.localizedOptionTitles[t]:t;return s.set({label:a,icon:n,tooltip:!0}),s.on("execute",()=>{r.execute("highlight",{value:i}),r.editing.view.focus()}),o(s),s})}_addDropdown(e){const t=this.editor,n=t.t,i=t.ui.componentFactory,o=e[0],r=e.reduce((e,t)=>(e[t.model]=t,e),{});i.add("highlight",s=>{const a=t.commands.get("highlight"),c=Jl(s,Qh),l=c.buttonView;l.set({tooltip:n("Highlight"),lastExecuted:o.model,commandValue:o.model,isToggleable:!0}),l.bind("icon").to(a,"value",e=>jg(u(e,"type"))),l.bind("color").to(a,"value",e=>u(e,"color")),l.bind("commandValue").to(a,"value",e=>u(e,"model")),l.bind("isOn").to(a,"value",e=>!!e),l.delegate("execute").to(c);const d=e.map(e=>{const t=i.create("highlight:"+e.model);return this.listenTo(t,"execute",()=>c.buttonView.set({lastExecuted:e.model})),t});function u(e,t){const n=e&&e!==l.lastExecuted?e:l.lastExecuted;return r[n][t]}return c.bind("isEnabled").toMany(d,"isEnabled",(...e)=>e.some(e=>e)),d.push(new Nl),d.push(i.create("removeHighlight")),Zl(c,d),function(e){e.buttonView.actionView.iconView.bind("fillColor").to(e.buttonView,"color")}(c),c.toolbarView.ariaLabel=n("Text highlight toolbar"),l.on("execute",()=>{t.execute("highlight",{value:l.commandValue}),t.editing.view.focus()}),c})}}function jg(e){return"marker"===e?'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path class="ck-icon__fill" d="M10.798 1.59L3.002 12.875l1.895 1.852 2.521 1.402 6.997-12.194z"/><path d="M2.556 16.727l.234-.348c-.297-.151-.462-.293-.498-.426-.036-.137.002-.416.115-.837.094-.25.15-.449.169-.595a4.495 4.495 0 0 0 0-.725c-.209-.621-.303-1.041-.284-1.26.02-.218.178-.506.475-.862l6.77-9.414c.539-.91 1.605-.85 3.199.18 1.594 1.032 2.188 1.928 1.784 2.686l-5.877 10.36c-.158.412-.333.673-.526.782-.193.108-.604.179-1.232.21-.362.131-.608.237-.738.318-.13.081-.305.238-.526.47-.293.265-.504.397-.632.397-.096 0-.27-.075-.524-.226l-.31.41-1.6-1.12zm-.279.415l1.575 1.103-.392.515H1.19l1.087-1.618zm8.1-13.656l-4.953 6.9L8.75 12.57l4.247-7.574c.175-.25-.188-.647-1.092-1.192-.903-.546-1.412-.652-1.528-.32zM8.244 18.5L9.59 17h9.406v1.5H8.245z"/></svg>':'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path class="ck-icon__fill" d="M10.126 2.268L2.002 13.874l1.895 1.852 2.521 1.402L14.47 5.481l-1.543-2.568-2.801-.645z"/><path d="M4.5 18.088l-2.645-1.852-.04-2.95-.006-.005.006-.008v-.025l.011.008L8.73 2.97c.165-.233.356-.417.567-.557l-1.212.308L4.604 7.9l-.83-.558 3.694-5.495 2.708-.69 1.65 1.145.046.018.85-1.216 2.16 1.512-.856 1.222c.828.967 1.144 2.141.432 3.158L7.55 17.286l.006.005-3.055.797H4.5zm-.634.166l-1.976.516-.026-1.918 2.002 1.402zM9.968 3.817l-.006-.004-6.123 9.184 3.277 2.294 6.108-9.162.005.003c.317-.452-.16-1.332-1.064-1.966-.891-.624-1.865-.776-2.197-.349zM8.245 18.5L9.59 17h9.406v1.5H8.245z"/></svg>'}n(64);const Bg=["before","after"],Fg=(new DOMParser).parseFromString('<svg viewBox="0 0 10 8" xmlns="http://www.w3.org/2000/svg"><polyline points="8.05541992 0.263427734 8.05541992 4.23461914 1.28417969 4.23461914" transform="translate(1,0)"></polyline><line x1="0" y1="4.21581031" x2="2" y2="2.17810059" transform="translate(1, 0)"></line><line x1="0" y1="6.21581031" x2="2" y2="4.17810059" transform="translate(2, 5.196955) scale(1, -1) translate(-1, -5.196955)"></line></svg>\n',"image/svg+xml").firstChild;class Hg extends sd{static get pluginName(){return"WidgetTypeAround"}constructor(e){super(e),this._currentFakeCaretModelElement=null}init(){const e=this.editor,t=e.editing.view;this.on("change:isEnabled",(n,i,o)=>{t.change(e=>{for(const n of t.document.roots)o?e.removeClass("ck-widget__type-around_disabled",n):e.addClass("ck-widget__type-around_disabled",n)}),o||e.model.change(e=>{e.removeSelectionAttribute("widget-type-around")})}),this._enableTypeAroundUIInjection(),this._enableInsertingParagraphsOnButtonClick(),this._enableInsertingParagraphsOnEnterKeypress(),this._enableInsertingParagraphsOnTypingKeystroke(),this._enableTypeAroundFakeCaretActivationUsingKeyboardArrows(),this._enableDeleteIntegration(),this._enableInsertContentIntegration()}destroy(){this._currentFakeCaretModelElement=null}_insertParagraph(e,t){const n=this.editor,i=n.editing.view;n.execute("insertParagraph",{position:n.model.createPositionAt(e,t)}),i.focus(),i.scrollToTheSelection()}_listenToIfEnabled(e,t,n,i){this.listenTo(e,t,(...e)=>{this.isEnabled&&n(...e)},i)}_insertParagraphAccordingToFakeCaretPosition(){const e=this.editor.model.document.selection,t=Jd(e);if(!t)return!1;const n=e.getSelectedElement();return this._insertParagraph(n,t),!0}_enableTypeAroundUIInjection(){const e=this.editor,t=e.model.schema,n=e.locale.t,i={before:n("Insert paragraph before block"),after:n("Insert paragraph after block")};e.editing.downcastDispatcher.on("insert",(e,n,o)=>{const r=o.mapper.toViewElement(n.item);Qd(r,n.item,t)&&function(e,t,n){const i=e.createUIElement("div",{class:"ck ck-reset_all ck-widget__type-around"},(function(e){const n=this.toDomElement(e);return function(e,t){for(const n of Bg){const i=new el({tag:"div",attributes:{class:["ck","ck-widget__type-around__button","ck-widget__type-around__button_"+n],title:t[n]},children:[e.ownerDocument.importNode(Fg,!0)]});e.appendChild(i.render())}}(n,t),function(e){const t=new el({tag:"div",attributes:{class:["ck","ck-widget__type-around__fake-caret"]}});e.appendChild(t.render())}(n),n}));e.insert(e.createPositionAt(n,"end"),i)}(o.writer,i,r)},{priority:"low"})}_enableTypeAroundFakeCaretActivationUsingKeyboardArrows(){const e=this.editor,t=e.model,n=t.document.selection,i=t.schema,o=e.editing.view;function r(e){return"ck-widget_type-around_show-fake-caret_"+e}this._listenToIfEnabled(o.document,"keydown",(e,t)=>{ko(t.keyCode)&&this._handleArrowKeyPress(e,t)},{priority:un.get("high")+10}),this._listenToIfEnabled(n,"change:range",(t,n)=>{n.directChange&&e.model.change(e=>{e.removeSelectionAttribute("widget-type-around")})}),this._listenToIfEnabled(t.document,"change:data",()=>{const t=n.getSelectedElement();if(t){if(Qd(e.editing.mapper.toViewElement(t),t,i))return}e.model.change(e=>{e.removeSelectionAttribute("widget-type-around")})}),this._listenToIfEnabled(e.editing.downcastDispatcher,"selection",(e,t,n)=>{const o=n.writer;if(this._currentFakeCaretModelElement){const e=n.mapper.toViewElement(this._currentFakeCaretModelElement);e&&(o.removeClass(Bg.map(r),e),this._currentFakeCaretModelElement=null)}const s=t.selection.getSelectedElement();if(!s)return;const a=n.mapper.toViewElement(s);if(!Qd(a,s,i))return;const c=Jd(t.selection);c&&(o.addClass(r(c),a),this._currentFakeCaretModelElement=s)}),this._listenToIfEnabled(e.ui.focusTracker,"change:isFocused",(t,n,i)=>{i||e.model.change(e=>{e.removeSelectionAttribute("widget-type-around")})})}_handleArrowKeyPress(e,t){const n=this.editor,i=n.model,o=i.document.selection,r=i.schema,s=n.editing.view,a=vo(t.keyCode,n.locale.contentLanguageDirection),c=s.document.selection.getSelectedElement();let l;Qd(c,n.editing.mapper.toModelElement(c),r)?l=this._handleArrowKeyPressOnSelectedWidget(a):o.isCollapsed&&(l=this._handleArrowKeyPressWhenSelectionNextToAWidget(a)),l&&(t.preventDefault(),e.stop())}_handleArrowKeyPressOnSelectedWidget(e){const t=this.editor.model,n=Jd(t.document.selection);return t.change(t=>{if(!n)return t.setSelectionAttribute("widget-type-around",e?"after":"before"),!0;if(!(n===(e?"after":"before")))return t.removeSelectionAttribute("widget-type-around"),!0;return!1})}_handleArrowKeyPressWhenSelectionNextToAWidget(e){const t=this.editor,n=t.model,i=n.schema,o=t.plugins.get("Widget"),r=o._getObjectElementNextToSelection(e);return!!Qd(t.editing.mapper.toViewElement(r),r,i)&&(n.change(t=>{o._setSelectionOverElement(r),t.setSelectionAttribute("widget-type-around",e?"before":"after")}),!0)}_enableInsertingParagraphsOnButtonClick(){const e=this.editor,t=e.editing.view;this._listenToIfEnabled(t.document,"mousedown",(n,i)=>{const o=i.domTarget.closest(".ck-widget__type-around__button");if(!o)return;const r=function(e){return e.classList.contains("ck-widget__type-around__button_before")?"before":"after"}(o),s=function(e,t){const n=e.closest(".ck-widget");return t.mapDomToView(n)}(o,t.domConverter),a=e.editing.mapper.toModelElement(s);this._insertParagraph(a,r),i.preventDefault(),n.stop()})}_enableInsertingParagraphsOnEnterKeypress(){const e=this.editor,t=e.editing.view;this._listenToIfEnabled(t.document,"enter",(n,i)=>{const o=t.document.selection.getSelectedElement(),r=e.editing.mapper.toModelElement(o),s=e.model.schema;let a;this._insertParagraphAccordingToFakeCaretPosition()?a=!0:Qd(o,r,s)&&(this._insertParagraph(r,i.isSoft?"before":"after"),a=!0),a&&(i.preventDefault(),n.stop())})}_enableInsertingParagraphsOnTypingKeystroke(){const e=this.editor.editing.view,t=[fo.enter,fo.delete,fo.backspace];this._listenToIfEnabled(e.document,"keydown",(e,n)=>{t.includes(n.keyCode)||Pu(n)||this._insertParagraphAccordingToFakeCaretPosition()},{priority:un.get("high")+1})}_enableDeleteIntegration(){const e=this.editor,t=e.editing.view,n=e.model,i=n.schema;this._listenToIfEnabled(t.document,"delete",(t,o)=>{const r=Jd(n.document.selection);if(!r)return;const s=o.direction,a=n.document.selection.getSelectedElement(),c="forward"==s;if("before"===r===c)e.execute("delete",{selection:n.createSelection(a,"on")});else{const t=i.getNearestSelectionRange(n.createPositionAt(a,r),s);if(t)if(t.isCollapsed){const o=n.createSelection(t.start);if(n.modifySelection(o,{direction:s}),o.focus.isEqual(t.start)){const e=function(e,t){let n=t;for(const i of t.getAncestors({parentFirst:!0})){if(i.childCount>1||e.isLimit(i))break;n=i}return n}(i,t.start.parent);n.deleteContent(n.createSelection(e,"on"),{doNotAutoparagraph:!0})}else n.change(n=>{n.setSelection(t),e.execute(c?"forwardDelete":"delete")})}else n.change(n=>{n.setSelection(t),e.execute(c?"forwardDelete":"delete")})}o.preventDefault(),t.stop()},{priority:un.get("high")+1})}_enableInsertContentIntegration(){const e=this.editor,t=this.editor.model,n=t.document.selection;this._listenToIfEnabled(e.model,"insertContent",(e,[i,o])=>{if(o&&!o.is("documentSelection"))return;const r=Jd(n);return r?(e.stop(),t.change(e=>{const o=n.getSelectedElement(),s=t.createPositionAt(o,r),a=e.createSelection(s),c=t.insertContent(i,a);return e.setSelection(a),c})):void 0},{priority:"high"})}}n(66);class Ug extends sd{static get pluginName(){return"Widget"}static get requires(){return[Hg]}init(){const e=this.editor.editing.view,t=e.document;this._previouslySelected=new Set,this.editor.editing.downcastDispatcher.on("selection",(e,t,n)=>{this._clearPreviouslySelectedWidgets(n.writer);const i=n.writer,o=i.document.selection,r=o.getSelectedElement();let s=null;for(const e of o.getRanges())for(const t of e){const e=t.item;Zd(e)&&!Wg(e,s)&&(i.addClass("ck-widget_selected",e),this._previouslySelected.add(e),s=e,e==r&&i.setSelection(o.getRanges(),{fake:!0,label:tu(r)}))}},{priority:"low"}),e.addObserver(pu),this.listenTo(t,"mousedown",(...e)=>this._onMousedown(...e)),this.listenTo(t,"keydown",(...e)=>{this._handleSelectionChangeOnArrowKeyPress(...e)},{priority:"high"}),this.listenTo(t,"keydown",(...e)=>{this._preventDefaultOnArrowKeyPress(...e)},{priority:un.get("high")-20}),this.listenTo(t,"delete",(e,t)=>{this._handleDelete("forward"==t.direction)&&(t.preventDefault(),e.stop())},{priority:"high"})}_onMousedown(e,t){const n=this.editor,i=n.editing.view,o=i.document;let r=t.target;if(function(e){for(;e;){if(e.is("editableElement")&&!e.is("rootElement"))return!0;if(Zd(e))return!1;e=e.parent}return!1}(r)){if((ho.isSafari||ho.isGecko)&&t.domEvent.detail>=3){const e=n.editing.mapper,i=r.is("attributeElement")?r.findAncestor(e=>!e.is("attributeElement")):r,o=e.toModelElement(i);t.preventDefault(),this.editor.model.change(e=>{e.setSelection(o,"in")})}return}if(!Zd(r)&&(r=r.findAncestor(Zd),!r))return;t.preventDefault(),o.isFocused||i.focus();const s=n.editing.mapper.toModelElement(r);this._setSelectionOverElement(s)}_handleSelectionChangeOnArrowKeyPress(e,t){const n=t.keyCode;if(!ko(n))return;const i=this.editor.model,o=i.schema,r=i.document.selection,s=r.getSelectedElement(),a=vo(n,this.editor.locale.contentLanguageDirection);if(s&&o.isObject(s)){const n=a?r.getLastPosition():r.getFirstPosition(),s=o.getNearestSelectionRange(n,a?"forward":"backward");return void(s&&(i.change(e=>{e.setSelection(s)}),t.preventDefault(),e.stop()))}if(!r.isCollapsed)return;const c=this._getObjectElementNextToSelection(a);c&&o.isObject(c)&&(this._setSelectionOverElement(c),t.preventDefault(),e.stop())}_preventDefaultOnArrowKeyPress(e,t){if(!ko(t.keyCode))return;const n=this.editor.model,i=n.schema,o=n.document.selection.getSelectedElement();o&&i.isObject(o)&&(t.preventDefault(),e.stop())}_handleDelete(e){if(this.editor.isReadOnly)return;const t=this.editor.model.document.selection;if(!t.isCollapsed)return;const n=this._getObjectElementNextToSelection(e);return n?(this.editor.model.change(e=>{let i=t.anchor.parent;for(;i.isEmpty;){const t=i;i=t.parent,e.remove(t)}this._setSelectionOverElement(n)}),!0):void 0}_setSelectionOverElement(e){this.editor.model.change(t=>{t.setSelection(t.createRangeOn(e))})}_getObjectElementNextToSelection(e){const t=this.editor.model,n=t.schema,i=t.document.selection,o=t.createSelection(i);t.modifySelection(o,{direction:e?"forward":"backward"});const r=e?o.focus.nodeBefore:o.focus.nodeAfter;return r&&n.isObject(r)?r:null}_clearPreviouslySelectedWidgets(e){for(const t of this._previouslySelected)e.removeClass("ck-widget_selected",t);this._previouslySelected.clear()}}function Wg(e,t){return!!t&&Array.from(e.getAncestors()).includes(t)}class qg extends cd{refresh(){const e=this.editor.model.document.selection.getSelectedElement();this.isEnabled=cu(e),cu(e)&&e.hasAttribute("alt")?this.value=e.getAttribute("alt"):this.value=!1}execute(e){const t=this.editor.model,n=t.document.selection.getSelectedElement();t.change(t=>{t.setAttribute("alt",e.newValue,n)})}}class $g extends sd{static get pluginName(){return"ImageTextAlternativeEditing"}init(){this.editor.commands.add("imageTextAlternative",new qg(this.editor))}}n(68);class Gg extends kl{constructor(e,t){super(e);const n="ck-labeled-field-view-"+dn(),i="ck-labeled-field-view-status-"+dn();this.fieldView=t(this,n,i),this.set("label"),this.set("isEnabled",!0),this.set("errorText",null),this.set("infoText",null),this.set("class"),this.labelView=this._createLabelView(n),this.statusView=this._createStatusView(i),this.bind("_statusText").to(this,"errorText",this,"infoText",(e,t)=>e||t);const o=this.bindTemplate;this.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-field-view",o.to("class"),o.if("isEnabled","ck-disabled",e=>!e)]},children:[this.labelView,this.fieldView,this.statusView]})}_createLabelView(e){const t=new xl(this.locale);return t.for=e,t.bind("text").to(this,"label"),t}_createStatusView(e){const t=new kl(this.locale),n=this.bindTemplate;return t.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-field-view__status",n.if("errorText","ck-labeled-field-view__status_error"),n.if("_statusText","ck-hidden",e=>!e)],id:e,role:n.if("errorText","alert")},children:[{text:n.to("_statusText")}]}),t}focus(){this.fieldView.focus()}}n(70);class Yg extends kl{constructor(e){super(e),this.set("value"),this.set("id"),this.set("placeholder"),this.set("isReadOnly",!1),this.set("hasError",!1),this.set("ariaDescribedById");const t=this.bindTemplate;this.setTemplate({tag:"input",attributes:{type:"text",class:["ck","ck-input","ck-input-text",t.if("hasError","ck-error")],id:t.to("id"),placeholder:t.to("placeholder"),readonly:t.to("isReadOnly"),"aria-invalid":t.if("hasError",!0),"aria-describedby":t.to("ariaDescribedById")},on:{input:t.to("input")}})}render(){super.render();const e=e=>{this.element.value=e||0===e?e:""};e(this.value),this.on("change:value",(t,n,i)=>{e(i)})}select(){this.element.select()}focus(){this.element.focus()}}function Kg(e,t,n){const i=new Yg(e.locale);return i.set({id:t,ariaDescribedById:n}),i.bind("isReadOnly").to(e,"isEnabled",e=>!e),i.bind("hasError").to(e,"errorText",e=>!!e),i.on("input",()=>{e.errorText=null}),i}function Qg({view:e}){e.listenTo(e.element,"submit",(t,n)=>{n.preventDefault(),e.fire("submit")},{useCapture:!0})}var Jg='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M6.972 16.615a.997.997 0 0 1-.744-.292l-4.596-4.596a1 1 0 1 1 1.414-1.414l3.926 3.926 9.937-9.937a1 1 0 0 1 1.414 1.415L7.717 16.323a.997.997 0 0 1-.745.292z"/></svg>',Zg='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.591 10.177l4.243 4.242a1 1 0 0 1-1.415 1.415l-4.242-4.243-4.243 4.243a1 1 0 0 1-1.414-1.415l4.243-4.242L4.52 5.934A1 1 0 0 1 5.934 4.52l4.243 4.243 4.242-4.243a1 1 0 1 1 1.415 1.414l-4.243 4.243z"/></svg>';n(72);class Xg extends kl{constructor(e){super(e);const t=this.locale.t;this.focusTracker=new Hc,this.keystrokes=new Rc,this.labeledInput=this._createLabeledInputView(),this.saveButtonView=this._createButton(t("Save"),Jg,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(t("Cancel"),Zg,"ck-button-cancel","cancel"),this._focusables=new Xc,this._focusCycler=new Ml({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"form",attributes:{class:["ck","ck-text-alternative-form"],tabindex:"-1"},children:[this.labeledInput,this.saveButtonView,this.cancelButtonView]})}render(){super.render(),this.keystrokes.listenTo(this.element),Qg({view:this}),[this.labeledInput,this.saveButtonView,this.cancelButtonView].forEach(e=>{this._focusables.add(e),this.focusTracker.add(e.element)})}_createButton(e,t,n,i){const o=new Ul(this.locale);return o.set({label:e,icon:t,tooltip:!0}),o.extendTemplate({attributes:{class:n}}),i&&o.delegate("execute").to(this,i),o}_createLabeledInputView(){const e=this.locale.t,t=new Gg(this.locale,Kg);return t.label=e("Text alternative"),t.fieldView.placeholder=e("Text alternative"),t}}n(74),n(76);const ef=Sl("px");class tf extends sd{static get pluginName(){return"ContextualBalloon"}constructor(e){super(e),this.positionLimiter=()=>{const e=this.editor.editing.view,t=e.document.selection.editableElement;return t?e.domConverter.mapViewToDom(t.root):null},this.set("visibleView",null),this.view=new $d(e.locale),e.ui.view.body.add(this.view),e.ui.focusTracker.add(this.view.element),this._viewToStack=new Map,this._idToStack=new Map,this.set("_numberOfStacks",0),this.set("_singleViewMode",!1),this._rotatorView=this._createRotatorView(),this._fakePanelsView=this._createFakePanelsView()}hasView(e){return Array.from(this._viewToStack.keys()).includes(e)}add(e){if(this.hasView(e.view))throw new hn.b("contextualballoon-add-view-exist: Cannot add configuration of the same view twice.",[this,e]);const t=e.stackId||"main";if(!this._idToStack.has(t))return this._idToStack.set(t,new Map([[e.view,e]])),this._viewToStack.set(e.view,this._idToStack.get(t)),this._numberOfStacks=this._idToStack.size,void(this._visibleStack&&!e.singleViewMode||this.showStack(t));const n=this._idToStack.get(t);e.singleViewMode&&this.showStack(t),n.set(e.view,e),this._viewToStack.set(e.view,n),n===this._visibleStack&&this._showView(e)}remove(e){if(!this.hasView(e))throw new hn.b("contextualballoon-remove-view-not-exist: Cannot remove the configuration of a non-existent view.",[this,e]);const t=this._viewToStack.get(e);this._singleViewMode&&this.visibleView===e&&(this._singleViewMode=!1),this.visibleView===e&&(1===t.size?this._idToStack.size>1?this._showNextStack():(this.view.hide(),this.visibleView=null,this._rotatorView.hideView()):this._showView(Array.from(t.values())[t.size-2])),1===t.size?(this._idToStack.delete(this._getStackId(t)),this._numberOfStacks=this._idToStack.size):t.delete(e),this._viewToStack.delete(e)}updatePosition(e){e&&(this._visibleStack.get(this.visibleView).position=e),this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition()}showStack(e){this.visibleStack=e;const t=this._idToStack.get(e);if(!t)throw new hn.b("contextualballoon-showstack-stack-not-exist: Cannot show a stack that does not exist.",this);this._visibleStack!==t&&this._showView(Array.from(t.values()).pop())}get _visibleStack(){return this._viewToStack.get(this.visibleView)}_getStackId(e){return Array.from(this._idToStack.entries()).find(t=>t[1]===e)[0]}_showNextStack(){const e=Array.from(this._idToStack.values());let t=e.indexOf(this._visibleStack)+1;e[t]||(t=0),this.showStack(this._getStackId(e[t]))}_showPrevStack(){const e=Array.from(this._idToStack.values());let t=e.indexOf(this._visibleStack)-1;e[t]||(t=e.length-1),this.showStack(this._getStackId(e[t]))}_createRotatorView(){const e=new nf(this.editor.locale),t=this.editor.locale.t;return this.view.content.add(e),e.bind("isNavigationVisible").to(this,"_numberOfStacks",this,"_singleViewMode",(e,t)=>!t&&e>1),e.on("change:isNavigationVisible",()=>this.updatePosition(),{priority:"low"}),e.bind("counter").to(this,"visibleView",this,"_numberOfStacks",(e,n)=>{if(n<2)return"";const i=Array.from(this._idToStack.values()).indexOf(this._visibleStack)+1;return t("%0 of %1",[i,n])}),e.buttonNextView.on("execute",()=>{e.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showNextStack()}),e.buttonPrevView.on("execute",()=>{e.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showPrevStack()}),e}_createFakePanelsView(){const e=new of(this.editor.locale,this.view);return e.bind("numberOfPanels").to(this,"_numberOfStacks",this,"_singleViewMode",(e,t)=>!t&&e>=2?Math.min(e-1,2):0),e.listenTo(this.view,"change:top",()=>e.updatePosition()),e.listenTo(this.view,"change:left",()=>e.updatePosition()),this.editor.ui.view.body.add(e),e}_showView({view:e,balloonClassName:t="",withArrow:n=!0,singleViewMode:i=!1}){this.view.class=t,this.view.withArrow=n,this._rotatorView.showView(e),this.visibleView=e,this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition(),i&&(this._singleViewMode=!0)}_getBalloonPosition(){let e=Array.from(this._visibleStack.values()).pop().position;return e&&!e.limiter&&(e=Object.assign({},e,{limiter:this.positionLimiter})),e}}class nf extends kl{constructor(e){super(e);const t=e.t,n=this.bindTemplate;this.set("isNavigationVisible",!0),this.focusTracker=new Hc,this.buttonPrevView=this._createButtonView(t("Previous"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.463 5.187a.888.888 0 1 1 1.254 1.255L9.16 10l3.557 3.557a.888.888 0 1 1-1.254 1.255L7.26 10.61a.888.888 0 0 1 .16-1.382l4.043-4.042z"/></svg>'),this.buttonNextView=this._createButtonView(t("Next"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M8.537 14.813a.888.888 0 1 1-1.254-1.255L10.84 10 7.283 6.442a.888.888 0 1 1 1.254-1.255L12.74 9.39a.888.888 0 0 1-.16 1.382l-4.043 4.042z"/></svg>'),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-rotator"],"z-index":"-1"},children:[{tag:"div",attributes:{class:["ck-balloon-rotator__navigation",n.to("isNavigationVisible",e=>e?"":"ck-hidden")]},children:[this.buttonPrevView,{tag:"span",attributes:{class:["ck-balloon-rotator__counter"]},children:[{text:n.to("counter")}]},this.buttonNextView]},{tag:"div",attributes:{class:"ck-balloon-rotator__content"},children:this.content}]})}render(){super.render(),this.focusTracker.add(this.element)}showView(e){this.hideView(),this.content.add(e)}hideView(){this.content.clear()}_createButtonView(e,t){const n=new Ul(this.locale);return n.set({label:e,icon:t,tooltip:!0}),n}}class of extends kl{constructor(e,t){super(e);const n=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("height",0),this.set("width",0),this.set("numberOfPanels",0),this.content=this.createCollection(),this._balloonPanelView=t,this.setTemplate({tag:"div",attributes:{class:["ck-fake-panel",n.to("numberOfPanels",e=>e?"":"ck-hidden")],style:{top:n.to("top",ef),left:n.to("left",ef),width:n.to("width",ef),height:n.to("height",ef)}},children:this.content}),this.on("change:numberOfPanels",(e,t,n,i)=>{n>i?this._addPanels(n-i):this._removePanels(i-n),this.updatePosition()})}_addPanels(e){for(;e--;){const e=new kl;e.setTemplate({tag:"div"}),this.content.add(e),this.registerChild(e)}}_removePanels(e){for(;e--;){const e=this.content.last;this.content.remove(e),this.deregisterChild(e),e.destroy()}}updatePosition(){if(this.numberOfPanels){const{top:e,left:t}=this._balloonPanelView,{width:n,height:i}=new is(this._balloonPanelView.element);Object.assign(this,{top:e,left:t,width:n,height:i})}}}function rf(e){const t=e.editing.view,n=$d.defaultPositions;return{target:t.domConverter.viewToDom(t.document.selection.getSelectedElement()),positions:[n.northArrowSouth,n.northArrowSouthWest,n.northArrowSouthEast,n.southArrowNorth,n.southArrowNorthWest,n.southArrowNorthEast]}}class sf extends sd{static get requires(){return[tf]}static get pluginName(){return"ImageTextAlternativeUI"}init(){this._createButton(),this._createForm()}destroy(){super.destroy(),this._form.destroy()}_createButton(){const e=this.editor,t=e.t;e.ui.componentFactory.add("imageTextAlternative",n=>{const i=e.commands.get("imageTextAlternative"),o=new Ul(n);return o.set({label:t("Change image text alternative"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M5.085 6.22L2.943 4.078a.75.75 0 1 1 1.06-1.06l2.592 2.59A11.094 11.094 0 0 1 10 5.068c4.738 0 8.578 3.101 8.578 5.083 0 1.197-1.401 2.803-3.555 3.887l1.714 1.713a.75.75 0 0 1-.09 1.138.488.488 0 0 1-.15.084.75.75 0 0 1-.821-.16L6.17 7.304c-.258.11-.51.233-.757.365l6.239 6.24-.006.005.78.78c-.388.094-.78.166-1.174.215l-1.11-1.11h.011L4.55 8.197a7.2 7.2 0 0 0-.665.514l-.112.098 4.897 4.897-.005.006 1.276 1.276a10.164 10.164 0 0 1-1.477-.117l-.479-.479-.009.009-4.863-4.863-.022.031a2.563 2.563 0 0 0-.124.2c-.043.077-.08.158-.108.241a.534.534 0 0 0-.028.133.29.29 0 0 0 .008.072.927.927 0 0 0 .082.226c.067.133.145.26.234.379l3.242 3.365.025.01.59.623c-3.265-.918-5.59-3.155-5.59-4.668 0-1.194 1.448-2.838 3.663-3.93zm7.07.531a4.632 4.632 0 0 1 1.108 5.992l.345.344.046-.018a9.313 9.313 0 0 0 2-1.112c.256-.187.5-.392.727-.613.137-.134.27-.277.392-.431.072-.091.141-.185.203-.286.057-.093.107-.19.148-.292a.72.72 0 0 0 .036-.12.29.29 0 0 0 .008-.072.492.492 0 0 0-.028-.133.999.999 0 0 0-.036-.096 2.165 2.165 0 0 0-.071-.145 2.917 2.917 0 0 0-.125-.2 3.592 3.592 0 0 0-.263-.335 5.444 5.444 0 0 0-.53-.523 7.955 7.955 0 0 0-1.054-.768 9.766 9.766 0 0 0-1.879-.891c-.337-.118-.68-.219-1.027-.301zm-2.85.21l-.069.002a.508.508 0 0 0-.254.097.496.496 0 0 0-.104.679.498.498 0 0 0 .326.199l.045.005c.091.003.181.003.272.012a2.45 2.45 0 0 1 2.017 1.513c.024.061.043.125.069.185a.494.494 0 0 0 .45.287h.008a.496.496 0 0 0 .35-.158.482.482 0 0 0 .13-.335.638.638 0 0 0-.048-.219 3.379 3.379 0 0 0-.36-.723 3.438 3.438 0 0 0-2.791-1.543l-.028-.001h-.013z"/></svg>',tooltip:!0}),o.bind("isEnabled").to(i,"isEnabled"),this.listenTo(o,"execute",()=>{this._showForm()}),o})}_createForm(){const e=this.editor,t=e.editing.view.document;this._balloon=this.editor.plugins.get("ContextualBalloon"),this._form=new Xg(e.locale),this._form.render(),this.listenTo(this._form,"submit",()=>{e.execute("imageTextAlternative",{newValue:this._form.labeledInput.fieldView.element.value}),this._hideForm(!0)}),this.listenTo(this._form,"cancel",()=>{this._hideForm(!0)}),this._form.keystrokes.set("Esc",(e,t)=>{this._hideForm(!0),t()}),this.listenTo(e.ui,"update",()=>{au(t.selection)?this._isVisible&&function(e){const t=e.plugins.get("ContextualBalloon");if(au(e.editing.view.document.selection)){const n=rf(e);t.updatePosition(n)}}(e):this._hideForm(!0)}),Ql({emitter:this._form,activator:()=>this._isVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideForm()})}_showForm(){if(this._isVisible)return;const e=this.editor,t=e.commands.get("imageTextAlternative"),n=this._form.labeledInput;this._isInBalloon||this._balloon.add({view:this._form,position:rf(e)}),n.fieldView.value=n.fieldView.element.value=t.value||"",this._form.labeledInput.fieldView.select()}_hideForm(e){this._isInBalloon&&(this._form.focusTracker.isFocused&&this._form.saveButtonView.focus(),this._balloon.remove(this._form),e&&this.editor.editing.view.focus())}get _isVisible(){return this._balloon.visibleView===this._form}get _isInBalloon(){return this._balloon.hasView(this._form)}}class af extends sd{static get requires(){return[$g,sf]}static get pluginName(){return"ImageTextAlternative"}}n(78);class cf extends sd{static get requires(){return[gu,Ug,af]}static get pluginName(){return"Image"}}n(80);class lf extends cd{refresh(){const e=this.editor.model.document.selection.getSelectedElement();this.isEnabled=cu(e),e&&e.hasAttribute("width")?this.value={width:e.getAttribute("width"),height:null}:this.value=null}execute(e){const t=this.editor.model,n=t.document.selection.getSelectedElement();this.value={width:e.width,height:null},n&&t.change(t=>{t.setAttribute("width",e.width,n)})}}class df extends sd{static get pluginName(){return"ImageResizeEditing"}constructor(e){super(e),e.config.define("image",{resizeUnit:"%",resizeOptions:[{name:"imageResize:original",value:null,icon:"original"},{name:"imageResize:25",value:"25",icon:"small"},{name:"imageResize:50",value:"50",icon:"medium"},{name:"imageResize:75",value:"75",icon:"large"}]})}init(){const e=this.editor,t=new lf(e);this._registerSchema(),this._registerConverters(),e.commands.add("imageResize",t)}_registerSchema(){this.editor.model.schema.extend("image",{allowAttributes:"width"}),this.editor.model.schema.setAttributeProperties("width",{isFormatting:!0})}_registerConverters(){const e=this.editor;e.conversion.for("downcast").add(e=>e.on("attribute:width:image",(e,t,n)=>{if(!n.consumable.consume(t.item,e.name))return;const i=n.writer,o=n.mapper.toViewElement(t.item);null!==t.attributeNewValue?(i.setStyle("width",t.attributeNewValue,o),i.addClass("image_resized",o)):(i.removeStyle("width",o),i.removeClass("image_resized",o))})),e.conversion.for("upcast").attributeToAttribute({view:{name:"figure",styles:{width:/.+/}},model:{key:"width",value:e=>e.getStyle("width")}})}}var uf='<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M2.5 17v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zM1 15.5v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm0-2v1h-1v-1h1zm-19 0v1H0v-1h1zM14.5 2v1h-1V2h1zm2 0v1h-1V2h1zm2 0v1h-1V2h1zm-8 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm8 0v1h-1V2h1zm-10 0v1h-1V2h1z"/><path d="M10 8H2a2 2 0 0 0-2 2v6a2 2 0 0 0 2 2h8a2 2 0 0 0 2-2v-6a2 2 0 0 0-2-2zm0 1.5a.5.5 0 0 1 .5.5v6a.5.5 0 0 1-.5.5H2a.5.5 0 0 1-.5-.5v-6a.5.5 0 0 1 .5-.5h8z"/></svg>';const hf={small:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M2.5 17v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zM1 15.5v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm0-2v1h-1v-1h1zm-19 0v1H0v-1h1zM14.5 2v1h-1V2h1zm2 0v1h-1V2h1zm2 0v1h-1V2h1zm-8 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm8 0v1h-1V2h1zm-10 0v1h-1V2h1z"/><path d="M7 10H2a2 2 0 0 0-2 2v4a2 2 0 0 0 2 2h5a2 2 0 0 0 2-2v-4a2 2 0 0 0-2-2zm0 1.5a.5.5 0 0 1 .5.5v4a.5.5 0 0 1-.5.5H2a.5.5 0 0 1-.5-.5v-4a.5.5 0 0 1 .5-.5h5z"/></svg>',medium:uf,large:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M2.5 17v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zM1 15.5v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm0-2v1h-1v-1h1zm-19 0v1H0v-1h1zM14.5 2v1h-1V2h1zm2 0v1h-1V2h1zm2 0v1h-1V2h1zm-8 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm8 0v1h-1V2h1zm-10 0v1h-1V2h1z"/><path d="M13 6H2a2 2 0 0 0-2 2v8a2 2 0 0 0 2 2h11a2 2 0 0 0 2-2V8a2 2 0 0 0-2-2zm0 1.5a.5.5 0 0 1 .5.5v8a.5.5 0 0 1-.5.5H2a.5.5 0 0 1-.5-.5V8a.5.5 0 0 1 .5-.5h11z"/></svg>',original:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M2.5 17v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zm2 0v1h-1v-1h1zM1 15.5v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm-19-2v1H0v-1h1zm19 0v1h-1v-1h1zm0-2v1h-1v-1h1zm-19 0v1H0v-1h1zM14.5 2v1h-1V2h1zm2 0v1h-1V2h1zm2 0v1h-1V2h1zm-8 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm-2 0v1h-1V2h1zm8 0v1h-1V2h1zm-10 0v1h-1V2h1z"/><path d="M18.095 2H1.905C.853 2 0 2.895 0 4v12c0 1.105.853 2 1.905 2h16.19C19.147 18 20 17.105 20 16V4c0-1.105-.853-2-1.905-2zm0 1.5c.263 0 .476.224.476.5v12c0 .276-.213.5-.476.5H1.905a.489.489 0 0 1-.476-.5V4c0-.276.213-.5.476-.5h16.19z"/></svg>'};class mf extends sd{static get requires(){return[df]}static get pluginName(){return"ImageResizeButtons"}constructor(e){super(e),this._resizeUnit=e.config.get("image.resizeUnit")}init(){const e=this.editor,t=e.config.get("image.resizeOptions"),n=e.commands.get("imageResize");this.bind("isEnabled").to(n);for(const e of t)this._registerImageResizeButton(e);this._registerImageResizeDropdown(t)}_registerImageResizeButton(e){const t=this.editor,{name:n,value:i,icon:o}=e,r=i?i+this._resizeUnit:null;t.ui.componentFactory.add(n,i=>{const s=new Ul(i),a=t.commands.get("imageResize"),c=this._getOptionLabelValue(e,!0);if(!hf[o])throw new hn.b('imageresizebuttons-missing-icon: The resize option "'+n+'" misses the "icon" property or the property value doesn\'t match any of available icons.',t,e);return s.set({label:c,icon:hf[o],tooltip:c,isToggleable:!0}),s.bind("isEnabled").to(this),s.bind("isOn").to(a,"value",gf(r)),this.listenTo(s,"execute",()=>{t.execute("imageResize",{width:r})}),s})}_registerImageResizeDropdown(e){const t=this.editor,n=t.t,i=e.find(e=>!e.value);t.ui.componentFactory.add("imageResize",o=>{const r=t.commands.get("imageResize"),s=Jl(o,ql),a=s.buttonView;return a.set({tooltip:n("Resize image"),commandValue:i.value,icon:uf,isToggleable:!0,label:this._getOptionLabelValue(i),withText:!0,class:"ck-resize-image-button"}),a.bind("label").to(r,"value",e=>e&&e.width?e.width:this._getOptionLabelValue(i)),s.bind("isOn").to(r),s.bind("isEnabled").to(this),Xl(s,this._getResizeDropdownListItemDefinitions(e,r)),s.listView.ariaLabel=n("Image resize list"),this.listenTo(s,"execute",e=>{t.execute(e.source.commandName,{width:e.source.commandValue}),t.editing.view.focus()}),s})}_getOptionLabelValue(e,t){const n=this.editor.t;return e.label?e.label:t?e.value?n("Resize image to %0",e.value+this._resizeUnit):n("Resize image to the original size"):e.value?e.value+this._resizeUnit:n("Original")}_getResizeDropdownListItemDefinitions(e,t){const n=new An;return e.map(e=>{const i=e.value?e.value+this._resizeUnit:null,o={type:"button",model:new Kh({commandName:"imageResize",commandValue:i,label:this._getOptionLabelValue(e),withText:!0,icon:null})};o.model.bind("isOn").to(t,"value",gf(i)),n.add(o)}),n}}function gf(e){return t=>null===e&&t===e||t&&t.width===e}class ff{constructor(e){this.set("activeHandlePosition",null),this.set("proposedWidthPercents",null),this.set("proposedWidth",null),this.set("proposedHeight",null),this.set("proposedHandleHostWidth",null),this.set("proposedHandleHostHeight",null),this._options=e,this._referenceCoordinates=null}begin(e,t,n){const i=new is(t);this.activeHandlePosition=function(e){const t=["top-left","top-right","bottom-right","bottom-left"];for(const n of t)if(e.classList.contains("ck-widget__resizer__handle-"+n))return n}(e),this._referenceCoordinates=function(e,t){const n=new is(e),i=t.split("-"),o={x:"right"==i[1]?n.right:n.left,y:"bottom"==i[0]?n.bottom:n.top};return o.x+=e.ownerDocument.defaultView.scrollX,o.y+=e.ownerDocument.defaultView.scrollY,o}(t,function(e){const t=e.split("-"),n={top:"bottom",bottom:"top",left:"right",right:"left"};return`${n[t[0]]}-${n[t[1]]}`}(this.activeHandlePosition)),this.originalWidth=i.width,this.originalHeight=i.height,this.aspectRatio=i.width/i.height;const o=n.style.width;o&&o.match(/^\d+\.?\d*%$/)?this.originalWidthPercents=parseFloat(o):this.originalWidthPercents=function(e,t){const n=e.parentElement,i=parseFloat(n.ownerDocument.defaultView.getComputedStyle(n).width);return t.width/i*100}(n,i)}update(e){this.proposedWidth=e.width,this.proposedHeight=e.height,this.proposedWidthPercents=e.widthPercents,this.proposedHandleHostWidth=e.handleHostWidth,this.proposedHandleHostHeight=e.handleHostHeight}}xn(ff,Hi);class pf{constructor(e){this._options=e,this._domResizerWrapper=null,this._viewResizerWrapper=null,this.set("isEnabled",!0),this.decorate("begin"),this.decorate("cancel"),this.decorate("commit"),this.decorate("updateSize"),this.on("commit",e=>{this.state.proposedWidth||this.state.proposedWidthPercents||(this._cleanup(),e.stop())},{priority:"high"}),this.on("change:isEnabled",()=>{this.isEnabled&&this.redraw()})}attach(){const e=this,t=this._options.viewElement;this._options.editor.editing.view.change(n=>{const i=n.createUIElement("div",{class:"ck ck-reset_all ck-widget__resizer"},(function(t){const n=this.toDomElement(t);return e._appendHandles(n),e._appendSizeUI(n),e._domResizerWrapper=n,e.on("change:isEnabled",(e,t,i)=>{n.style.display=i?"":"none"}),n.style.display=e.isEnabled?"":"none",n}));n.insert(n.createPositionAt(t,"end"),i),n.addClass("ck-widget_with-resizer",t),this._viewResizerWrapper=i})}begin(e){this.state=new ff(this._options),this._sizeUI.bindToState(this._options,this.state),this._initialViewWidth=this._options.viewElement.getStyle("width"),this.state.begin(e,this._getHandleHost(),this._getResizeHost())}updateSize(e){const t=this._proposeNewSize(e);this._options.editor.editing.view.change(e=>{const n=this._options.unit||"%",i=("%"===n?t.widthPercents:t.width)+n;e.setStyle("width",i,this._options.viewElement)});const n=this._getHandleHost(),i=new is(n);t.handleHostWidth=Math.round(i.width),t.handleHostHeight=Math.round(i.height);const o=new is(n);t.width=Math.round(o.width),t.height=Math.round(o.height),this.redraw(i),this.state.update(t)}commit(){const e=this._options.unit||"%",t=("%"===e?this.state.proposedWidthPercents:this.state.proposedWidth)+e;this._options.editor.editing.view.change(()=>{this._cleanup(),this._options.onCommit(t)})}cancel(){this._cleanup()}destroy(){this.cancel()}redraw(e){const t=this._domResizerWrapper;if(!((n=t)&&n.ownerDocument&&n.ownerDocument.contains(n)))return;var n;const i=t.parentElement,o=this._getHandleHost(),r=this._viewResizerWrapper,s=[r.getStyle("width"),r.getStyle("height"),r.getStyle("left"),r.getStyle("top")];let a;if(i.isSameNode(o)){const t=e||new is(o);a=[t.width+"px",t.height+"px",void 0,void 0]}else a=[o.offsetWidth+"px",o.offsetHeight+"px",o.offsetLeft+"px",o.offsetTop+"px"];"same"!==In(s,a)&&this._options.editor.editing.view.change(e=>{e.setStyle({width:a[0],height:a[1],left:a[2],top:a[3]},r)})}containsHandle(e){return this._domResizerWrapper.contains(e)}static isResizeHandle(e){return e.classList.contains("ck-widget__resizer__handle")}_cleanup(){this._sizeUI.dismiss(),this._sizeUI.isVisible=!1;this._options.editor.editing.view.change(e=>{e.setStyle("width",this._initialViewWidth,this._options.viewElement)})}_proposeNewSize(e){const t=this.state,n={x:(i=e).pageX,y:i.pageY};var i;const o=!this._options.isCentered||this._options.isCentered(this),r={x:t._referenceCoordinates.x-(n.x+t.originalWidth),y:n.y-t.originalHeight-t._referenceCoordinates.y};o&&t.activeHandlePosition.endsWith("-right")&&(r.x=n.x-(t._referenceCoordinates.x+t.originalWidth)),o&&(r.x*=2);const s={width:Math.abs(t.originalWidth+r.x),height:Math.abs(t.originalHeight+r.y)};s.dominant=s.width/t.aspectRatio>s.height?"width":"height",s.max=s[s.dominant];const a={width:s.width,height:s.height};return"width"==s.dominant?a.height=a.width/t.aspectRatio:a.width=a.height*t.aspectRatio,{width:Math.round(a.width),height:Math.round(a.height),widthPercents:Math.min(Math.round(t.originalWidthPercents/t.originalWidth*a.width*100)/100,100)}}_getResizeHost(){const e=this._domResizerWrapper.parentElement;return this._options.getResizeHost(e)}_getHandleHost(){const e=this._domResizerWrapper.parentElement;return this._options.getHandleHost(e)}_appendHandles(e){const t=["top-left","top-right","bottom-right","bottom-left"];for(const i of t)e.appendChild(new el({tag:"div",attributes:{class:"ck-widget__resizer__handle "+(n=i,"ck-widget__resizer__handle-"+n)}}).render());var n}_appendSizeUI(e){const t=new bf;t.render(),this._sizeUI=t,e.appendChild(t.element)}}xn(pf,Hi);class bf extends kl{constructor(){super();const e=this.bindTemplate;this.setTemplate({tag:"div",attributes:{class:["ck","ck-size-view",e.to("activeHandlePosition",e=>e?"ck-orientation-"+e:"")],style:{display:e.if("isVisible","none",e=>!e)}},children:[{text:e.to("label")}]})}bindToState(e,t){this.bind("isVisible").to(t,"proposedWidth",t,"proposedHeight",(e,t)=>null!==e&&null!==t),this.bind("label").to(t,"proposedHandleHostWidth",t,"proposedHandleHostHeight",t,"proposedWidthPercents",(t,n,i)=>"px"===e.unit?`${t}×${n}`:i+"%"),this.bind("activeHandlePosition").to(t)}dismiss(){this.unbind(),this.isVisible=!1}}var wf=function(e,t,n){var i=!0,o=!0;if("function"!=typeof e)throw new TypeError("Expected a function");return L(n)&&(i="leading"in n?!!n.leading:i,o="trailing"in n?!!n.trailing:o),Yr(e,t,{leading:i,maxWait:t,trailing:o})};n(82);class kf extends sd{static get pluginName(){return"WidgetResize"}init(){this.set("_visibleResizer",null),this.set("_activeResizer",null),this._resizers=new Map;const e=or.window.document;this.editor.model.schema.setAttributeProperties("width",{isFormatting:!0}),this.editor.editing.view.addObserver(pu),this._observer=Object.create(mr),this.listenTo(this.editor.editing.view.document,"mousedown",this._mouseDownListener.bind(this),{priority:"high"}),this._observer.listenTo(e,"mousemove",this._mouseMoveListener.bind(this)),this._observer.listenTo(e,"mouseup",this._mouseUpListener.bind(this));const t=()=>{this._visibleResizer&&this._visibleResizer.redraw()},n=wf(t,200);this.on("change:_visibleResizer",t),this.editor.ui.on("update",n),this._observer.listenTo(or.window,"resize",n);const i=this.editor.editing.view.document.selection;i.on("change",()=>{const e=i.getSelectedElement();this._visibleResizer=this._getResizerByViewElement(e)||null})}destroy(){this._observer.stopListening();for(const e of this._resizers.values())e.destroy()}attachTo(e){const t=new pf(e),n=this.editor.plugins;if(t.attach(),n.has("WidgetToolbarRepository")){const e=n.get("WidgetToolbarRepository");t.on("begin",()=>{e.forceDisabled("resize")},{priority:"lowest"}),t.on("cancel",()=>{e.clearForceDisabled("resize")},{priority:"highest"}),t.on("commit",()=>{e.clearForceDisabled("resize")},{priority:"highest"})}return this._resizers.set(e.viewElement,t),t}_getResizerByHandle(e){for(const t of this._resizers.values())if(t.containsHandle(e))return t}_getResizerByViewElement(e){return this._resizers.get(e)}_mouseDownListener(e,t){const n=t.domTarget;pf.isResizeHandle(n)&&(this._activeResizer=this._getResizerByHandle(n),this._activeResizer&&(this._activeResizer.begin(n),e.stop(),t.preventDefault()))}_mouseMoveListener(e,t){this._activeResizer&&this._activeResizer.updateSize(t)}_mouseUpListener(){this._activeResizer&&(this._activeResizer.commit(),this._activeResizer=null)}}xn(kf,Hi);class _f extends sd{static get requires(){return[kf]}static get pluginName(){return"ImageResizeHandles"}init(){const e=this.editor,t=e.commands.get("imageResize");this.bind("isEnabled").to(t),e.editing.downcastDispatcher.on("insert:image",(t,n,i)=>{const o=i.mapper.toViewElement(n.item),r=e.plugins.get(kf).attachTo({unit:e.config.get("image.resizeUnit"),modelElement:n.item,viewElement:o,editor:e,getHandleHost:e=>e.querySelector("img"),getResizeHost:e=>e,isCentered(){const e=n.item.getAttribute("imageStyle");return!e||"full"==e||"alignCenter"==e},onCommit(t){e.execute("imageResize",{width:t})}});r.on("updateSize",()=>{o.hasClass("image_resized")||e.editing.view.change(e=>{e.addClass("image_resized",o)})}),r.bind("isEnabled").to(this)},{priority:"low"})}}n(84);class vf extends cd{constructor(e,t){super(e),this.defaultStyle=!1,this.styles=t.reduce((e,t)=>(e[t.name]=t,t.isDefault&&(this.defaultStyle=t.name),e),{})}refresh(){const e=this.editor.model.document.selection.getSelectedElement();if(this.isEnabled=cu(e),e)if(e.hasAttribute("imageStyle")){const t=e.getAttribute("imageStyle");this.value=!!this.styles[t]&&t}else this.value=this.defaultStyle;else this.value=!1}execute(e){const t=e.value,n=this.editor.model,i=n.document.selection.getSelectedElement();n.change(e=>{this.styles[t].isDefault?e.removeAttribute("imageStyle",i):e.setAttribute("imageStyle",t,i)})}}function yf(e,t){for(const n of t)if(n.name===e)return n}var xf='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm2.5 3V12h11V7.5h-11zM4.061 6H15.94c.586 0 1.061.407 1.061.91v5.68c0 .503-.475.91-1.061.91H4.06c-.585 0-1.06-.407-1.06-.91V6.91C3 6.406 3.475 6 4.061 6zM2 16.5V15h16v1.5z"/></svg>',Af='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" clip-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="1.414"><path d="M18 4.5V3H2v1.5h16zm0 3V6h-5.674v1.5H18zm0 3V9h-5.674v1.5H18zm0 3V12h-5.674v1.5H18zm-8.5-6V12h-6V7.5h6zm.818-1.5H2.682C2.305 6 2 6.407 2 6.91v5.68c0 .503.305.91.682.91h7.636c.377 0 .682-.407.682-.91V6.91c0-.503-.305-.91-.682-.91zM18 16.5V15H2v1.5h16z"/></svg>',Cf='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm4.5 3V12h7V7.5h-7zM5.758 6h8.484c.419 0 .758.407.758.91v5.681c0 .502-.34.909-.758.909H5.758c-.419 0-.758-.407-.758-.91V6.91c0-.503.34-.91.758-.91zM2 16.5V15h16v1.5z"/></svg>',Tf='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm0 3V6h5.674v1.5zm0 3V9h5.674v1.5zm0 3V12h5.674v1.5zm8.5-6V12h6V7.5h-6zM9.682 6h7.636c.377 0 .682.407.682.91v5.68c0 .503-.305.91-.682.91H9.682c-.377 0-.682-.407-.682-.91V6.91c0-.503.305-.91.682-.91zM2 16.5V15h16v1.5z"/></svg>';const Sf={full:{name:"full",title:"Full size image",icon:xf,isDefault:!0},side:{name:"side",title:"Side image",icon:Tf,className:"image-style-side"},alignLeft:{name:"alignLeft",title:"Left aligned image",icon:Af,className:"image-style-align-left"},alignCenter:{name:"alignCenter",title:"Centered image",icon:Cf,className:"image-style-align-center"},alignRight:{name:"alignRight",title:"Right aligned image",icon:Tf,className:"image-style-align-right"}},Pf={full:xf,left:Af,right:Tf,center:Cf};function Ef(e=[]){return e.map(Mf)}function Mf(e){if("string"==typeof e){const t=e;Sf[t]?e=Object.assign({},Sf[t]):(console.warn(Object(hn.a)("image-style-not-found: There is no such image style of given name."),{name:t}),e={name:t})}else if(Sf[e.name]){const t=Sf[e.name],n=Object.assign({},e);for(const i in t)Object.prototype.hasOwnProperty.call(e,i)||(n[i]=t[i]);e=n}return"string"==typeof e.icon&&Pf[e.icon]&&(e.icon=Pf[e.icon]),e}class If extends sd{static get pluginName(){return"ImageStyleEditing"}init(){const e=this.editor,t=e.model.schema,n=e.data,i=e.editing;e.config.define("image.styles",["full","side"]);const o=Ef(e.config.get("image.styles"));t.extend("image",{allowAttributes:"imageStyle"});const r=function(e){return(t,n,i)=>{if(!i.consumable.consume(n.item,t.name))return;const o=yf(n.attributeNewValue,e),r=yf(n.attributeOldValue,e),s=i.mapper.toViewElement(n.item),a=i.writer;r&&a.removeClass(r.className,s),o&&a.addClass(o.className,s)}}(o);i.downcastDispatcher.on("attribute:imageStyle:image",r),n.downcastDispatcher.on("attribute:imageStyle:image",r),n.upcastDispatcher.on("element:figure",function(e){const t=e.filter(e=>!e.isDefault);return(e,n,i)=>{if(!n.modelRange)return;const o=n.viewItem,r=dd(n.modelRange.getItems());if(i.schema.checkAttribute(r,"imageStyle"))for(const e of t)i.consumable.consume(o,{classes:e.className})&&i.writer.setAttribute("imageStyle",e.name,r)}}(o),{priority:"low"}),e.commands.add("imageStyle",new vf(e,o))}}n(86);class Nf extends sd{static get pluginName(){return"ImageStyleUI"}get localizedDefaultStylesTitles(){const e=this.editor.t;return{"Full size image":e("Full size image"),"Side image":e("Side image"),"Left aligned image":e("Left aligned image"),"Centered image":e("Centered image"),"Right aligned image":e("Right aligned image")}}init(){const e=function(e,t){for(const n of e)t[n.title]&&(n.title=t[n.title]);return e}(Ef(this.editor.config.get("image.styles")),this.localizedDefaultStylesTitles);for(const t of e)this._createButton(t)}_createButton(e){const t=this.editor,n="imageStyle:"+e.name;t.ui.componentFactory.add(n,n=>{const i=t.commands.get("imageStyle"),o=new Ul(n);return o.set({label:e.title,icon:e.icon,tooltip:!0,isToggleable:!0}),o.bind("isEnabled").to(i,"isEnabled"),o.bind("isOn").to(i,"value",t=>t===e.name),this.listenTo(o,"execute",()=>{t.execute("imageStyle",{value:e.name}),t.editing.view.focus()}),o})}}class Rf extends sd{static get requires(){return[tf]}static get pluginName(){return"WidgetToolbarRepository"}init(){const e=this.editor;if(e.plugins.has("BalloonToolbar")){const t=e.plugins.get("BalloonToolbar");this.listenTo(t,"show",t=>{(function(e){const t=e.getSelectedElement();return!(!t||!Zd(t))})(e.editing.view.document.selection)&&t.stop()},{priority:"high"})}this._toolbarDefinitions=new Map,this._balloon=this.editor.plugins.get("ContextualBalloon"),this.on("change:isEnabled",()=>{this._updateToolbarsVisibility()}),this.listenTo(e.ui,"update",()=>{this._updateToolbarsVisibility()}),this.listenTo(e.ui.focusTracker,"change:isFocused",()=>{this._updateToolbarsVisibility()},{priority:"low"})}destroy(){super.destroy();for(const e of this._toolbarDefinitions.values())e.view.destroy()}register(e,{ariaLabel:t,items:n,getRelatedElement:i,balloonClassName:o="ck-toolbar-container"}){if(!n.length)return void console.warn(Object(hn.a)("widget-toolbar-no-items: Trying to register a toolbar without items."),{toolbarId:e});const r=this.editor,s=r.t,a=new ed(r.locale);if(a.ariaLabel=t||s("Widget toolbar"),this._toolbarDefinitions.has(e))throw new hn.b("widget-toolbar-duplicated: Toolbar with the given id was already added.",this,{toolbarId:e});a.fillFromConfig(n,r.ui.componentFactory),this._toolbarDefinitions.set(e,{view:a,getRelatedElement:i,balloonClassName:o})}_updateToolbarsVisibility(){let e=0,t=null,n=null;for(const i of this._toolbarDefinitions.values()){const o=i.getRelatedElement(this.editor.editing.view.document.selection);if(this.isEnabled&&o)if(this.editor.ui.focusTracker.isFocused){const r=o.getAncestors().length;r>e&&(e=r,t=o,n=i)}else this._isToolbarVisible(i)&&this._hideToolbar(i);else this._isToolbarInBalloon(i)&&this._hideToolbar(i)}n&&this._showToolbar(n,t)}_hideToolbar(e){this._balloon.remove(e.view),this.stopListening(this._balloon,"change:visibleView")}_showToolbar(e,t){this._isToolbarVisible(e)?Of(this.editor,t):this._isToolbarInBalloon(e)||(this._balloon.add({view:e.view,position:zf(this.editor,t),balloonClassName:e.balloonClassName}),this.listenTo(this._balloon,"change:visibleView",()=>{for(const e of this._toolbarDefinitions.values())if(this._isToolbarVisible(e)){const t=e.getRelatedElement(this.editor.editing.view.document.selection);Of(this.editor,t)}}))}_isToolbarVisible(e){return this._balloon.visibleView===e.view}_isToolbarInBalloon(e){return this._balloon.hasView(e.view)}}function Of(e,t){const n=e.plugins.get("ContextualBalloon"),i=zf(e,t);n.updatePosition(i)}function zf(e,t){const n=e.editing.view,i=$d.defaultPositions;return{target:n.domConverter.mapViewToDom(t),positions:[i.northArrowSouth,i.northArrowSouthWest,i.northArrowSouthEast,i.southArrowNorth,i.southArrowNorthWest,i.southArrowNorthEast,ou]}}class Df extends kl{constructor(e){super(e),this.buttonView=new Ul(e),this._fileInputView=new Lf(e),this._fileInputView.bind("acceptedType").to(this),this._fileInputView.bind("allowMultipleFiles").to(this),this._fileInputView.delegate("done").to(this),this.setTemplate({tag:"span",attributes:{class:"ck-file-dialog-button"},children:[this.buttonView,this._fileInputView]}),this.buttonView.on("execute",()=>{this._fileInputView.open()})}focus(){this.buttonView.focus()}}class Lf extends kl{constructor(e){super(e),this.set("acceptedType"),this.set("allowMultipleFiles",!1);const t=this.bindTemplate;this.setTemplate({tag:"input",attributes:{class:["ck-hidden"],type:"file",tabindex:"-1",accept:t.to("acceptedType"),multiple:t.to("allowMultipleFiles")},on:{change:t.to(()=>{this.element&&this.element.files&&this.element.files.length&&this.fire("done",this.element.files),this.element.value=""})}})}open(){this.element.click()}}function Vf(e){const t=e.map(e=>e.replace("+","\\+"));return new RegExp(`^image\\/(${t.join("|")})$`)}class jf extends sd{init(){const e=this.editor,t=e.t;e.ui.componentFactory.add("imageUpload",n=>{const i=new Df(n),o=e.commands.get("imageUpload"),r=e.config.get("image.upload.types"),s=Vf(r);return i.set({acceptedType:r.map(e=>"image/"+e).join(","),allowMultipleFiles:!0}),i.buttonView.set({label:t("Insert image"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M6.91 10.54c.26-.23.64-.21.88.03l3.36 3.14 2.23-2.06a.64.64 0 0 1 .87 0l2.52 2.97V4.5H3.2v10.12l3.71-4.08zm10.27-7.51c.6 0 1.09.47 1.09 1.05v11.84c0 .59-.49 1.06-1.09 1.06H2.79c-.6 0-1.09-.47-1.09-1.06V4.08c0-.58.49-1.05 1.1-1.05h14.38zm-5.22 5.56a1.96 1.96 0 1 1 3.4-1.96 1.96 1.96 0 0 1-3.4 1.96z"/></svg>',tooltip:!0}),i.buttonView.bind("isEnabled").to(o),i.on("done",(t,n)=>{const i=Array.from(n).filter(e=>s.test(e.type));i.length&&e.execute("imageUpload",{file:i})}),i})}}n(88),n(90),n(92);class Bf extends sd{constructor(e){super(e),this.placeholder="data:image/svg+xml;utf8,"+encodeURIComponent('<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 700 250"><rect rx="4"/></svg>')}init(){this.editor.editing.downcastDispatcher.on("attribute:uploadStatus:image",(...e)=>this.uploadStatusChange(...e))}uploadStatusChange(e,t,n){const i=this.editor,o=t.item,r=o.getAttribute("uploadId");if(!n.consumable.consume(t.item,e.name))return;const s=i.plugins.get(yh),a=r?t.attributeNewValue:null,c=this.placeholder,l=i.editing.mapper.toViewElement(o),d=n.writer;if("reading"==a)return Ff(l,d),void Hf(c,l,d);if("uploading"==a){const e=s.loaders.get(r);return Ff(l,d),void(e?(Uf(l,d),function(e,t,n,i){const o=function(e){const t=e.createUIElement("div",{class:"ck-progress-bar"});return e.setCustomProperty("progressBar",!0,t),t}(t);t.insert(t.createPositionAt(e,"end"),o),n.on("change:uploadedPercent",(e,t,n)=>{i.change(e=>{e.setStyle("width",n+"%",o)})})}(l,d,e,i.editing.view),function(e,t,n){if(n.data){const i=uu(e);t.setAttribute("src",n.data,i)}}(l,d,e)):Hf(c,l,d))}"complete"==a&&s.loaders.get(r)&&function(e,t,n){const i=t.createUIElement("div",{class:"ck-image-upload-complete-icon"});t.insert(t.createPositionAt(e,"end"),i),setTimeout(()=>{n.change(e=>e.remove(e.createRangeOn(i)))},3e3)}(l,d,i.editing.view),function(e,t){qf(e,t,"progressBar")}(l,d),Uf(l,d),function(e,t){t.removeClass("ck-appear",e)}(l,d)}}function Ff(e,t){e.hasClass("ck-appear")||t.addClass("ck-appear",e)}function Hf(e,t,n){t.hasClass("ck-image-upload-placeholder")||n.addClass("ck-image-upload-placeholder",t);const i=uu(t);i.getAttribute("src")!==e&&n.setAttribute("src",e,i),Wf(t,"placeholder")||n.insert(n.createPositionAfter(i),function(e){const t=e.createUIElement("div",{class:"ck-upload-placeholder-loader"});return e.setCustomProperty("placeholder",!0,t),t}(n))}function Uf(e,t){e.hasClass("ck-image-upload-placeholder")&&t.removeClass("ck-image-upload-placeholder",e),qf(e,t,"placeholder")}function Wf(e,t){for(const n of e.getChildren())if(n.getCustomProperty(t))return n}function qf(e,t,n){const i=Wf(e,n);i&&t.remove(t.createRangeOn(i))}class $f{constructor(e){this.document=e}createDocumentFragment(e){return new Po(this.document,e)}createElement(e,t,n){return new Ri(this.document,e,t,n)}createText(e){return new On(this.document,e)}clone(e,t=!1){return e._clone(t)}appendChild(e,t){return t._appendChild(e)}insertChild(e,t,n){return n._insertChild(e,t)}removeChildren(e,t,n){return n._removeChildren(e,t)}remove(e){const t=e.parent;return t?this.removeChildren(t.getChildIndex(e),1,t):[]}replace(e,t){const n=e.parent;if(n){const i=n.getChildIndex(e);return this.removeChildren(i,1,n),this.insertChild(i,t,n),!0}return!1}unwrapElement(e){const t=e.parent;if(t){const n=t.getChildIndex(e);this.remove(e),this.insertChild(n,e.getChildren(),t)}}rename(e,t){const n=new Ri(this.document,e,t.getAttributes(),t.getChildren());return this.replace(t,n)?n:null}setAttribute(e,t,n){n._setAttribute(e,t)}removeAttribute(e,t){t._removeAttribute(e)}addClass(e,t){t._addClass(e)}removeClass(e,t){t._removeClass(e)}setStyle(e,t,n){y(e)&&void 0===n&&(n=t),n._setStyle(e,t)}removeStyle(e,t){t._removeStyle(e)}setCustomProperty(e,t,n){n._setCustomProperty(e,t)}removeCustomProperty(e,t){return t._removeCustomProperty(e)}createPositionAt(e,t){return Zi._createAt(e,t)}createPositionAfter(e){return Zi._createAfter(e)}createPositionBefore(e){return Zi._createBefore(e)}createRange(e,t){return new Xi(e,t)}createRangeOn(e){return Xi._createOn(e)}createRangeIn(e){return Xi._createIn(e)}createSelection(e,t,n){return new no(e,t,n)}}class Gf extends cd{refresh(){this.isEnabled=du(this.editor.model)}execute(e){const t=this.editor,n=t.model,i=t.plugins.get(yh);n.change(t=>{const o=Array.isArray(e.file)?e.file:[e.file];for(const e of o)Yf(t,n,i,e)})}}function Yf(e,t,n,i){const o=n.createLoader(i);o&&lu(e,t,{uploadId:o.id})}class Kf extends sd{static get requires(){return[yh,ph,Vu]}static get pluginName(){return"ImageUploadEditing"}constructor(e){super(e),e.config.define("image",{upload:{types:["jpeg","png","gif","bmp","webp","tiff"]}})}init(){const e=this.editor,t=e.model.document,n=e.model.schema,i=e.conversion,o=e.plugins.get(yh),r=Vf(e.config.get("image.upload.types"));n.extend("image",{allowAttributes:["uploadId","uploadStatus"]}),e.commands.add("imageUpload",new Gf(e)),i.for("upcast").attributeToAttribute({view:{name:"img",key:"uploadId"},model:"uploadId"}),this.listenTo(e.editing.view.document,"clipboardInput",(t,n)=>{if(i=n.dataTransfer,Array.from(i.types).includes("text/html")&&""!==i.getData("text/html"))return;var i;const o=Array.from(n.dataTransfer.files).filter(e=>!!e&&r.test(e.type)),s=n.targetRanges.map(t=>e.editing.mapper.toModelRange(t));e.model.change(n=>{n.setSelection(s),o.length&&(t.stop(),e.model.enqueueChange("default",()=>{e.execute("imageUpload",{file:o})}))})}),this.listenTo(e.plugins.get(Vu),"inputTransformation",(t,n)=>{const i=Array.from(e.editing.view.createRangeIn(n.content)).filter(e=>{return!(!(t=e.item).is("element","img")||!t.getAttribute("src"))&&(t.getAttribute("src").match(/^data:image\/\w+;base64,/g)||t.getAttribute("src").match(/^blob:/g))&&!e.item.getAttribute("uploadProcessed");var t}).map(e=>{return{promise:(t=e.item,new Promise((e,n)=>{const i=t.getAttribute("src");fetch(i).then(e=>e.blob()).then(t=>{const n=function(e,t){return e.type?e.type:t.match(/data:(image\/\w+);base64/)?t.match(/data:(image\/\w+);base64/)[1].toLowerCase():"image/jpeg"}(t,i),o=n.replace("image/",""),r=new File([t],"image."+o,{type:n});e(r)}).catch(n)})),imageElement:e.item};var t});if(!i.length)return;const r=new $f(e.editing.view.document);for(const e of i){r.setAttribute("uploadProcessed",!0,e.imageElement);const t=o.createLoader(e.promise);t&&(r.setAttribute("src","",e.imageElement),r.setAttribute("uploadId",t.id,e.imageElement))}}),e.editing.view.document.on("dragover",(e,t)=>{t.preventDefault()}),t.on("change",()=>{const n=t.differ.getChanges({includeChangesInGraveyard:!0});for(const t of n)if("insert"==t.type&&"$text"!=t.name){const n=t.position.nodeAfter,i="$graveyard"==t.position.root.rootName;for(const t of Qf(e,n)){const e=t.getAttribute("uploadId");if(!e)continue;const n=o.loaders.get(e);n&&(i?n.abort():"idle"==n.status&&this._readAndUpload(n,t))}}})}_readAndUpload(e,t){const n=this.editor,i=n.model,o=n.locale.t,r=n.plugins.get(yh),s=n.plugins.get(ph);return i.enqueueChange("transparent",e=>{e.setAttribute("uploadStatus","reading",t)}),e.read().then(()=>{const o=e.upload();if(ho.isSafari){const e=uu(n.editing.mapper.toViewElement(t));n.editing.view.once("render",()=>{if(!e.parent)return;const t=n.editing.view.domConverter.mapViewToDom(e.parent);if(!t)return;const i=t.style.display;t.style.display="none",t._ckHack=t.offsetHeight,t.style.display=i})}return i.enqueueChange("transparent",e=>{e.setAttribute("uploadStatus","uploading",t)}),o}).then(e=>{i.enqueueChange("transparent",n=>{n.setAttributes({uploadStatus:"complete",src:e.default},t),this._parseAndSetSrcsetAttributeOnImage(e,t,n)}),a()}).catch(n=>{if("error"!==e.status&&"aborted"!==e.status)throw n;"error"==e.status&&n&&s.showWarning(n,{title:o("Upload failed"),namespace:"upload"}),a(),i.enqueueChange("transparent",e=>{e.remove(t)})});function a(){i.enqueueChange("transparent",e=>{e.removeAttribute("uploadId",t),e.removeAttribute("uploadStatus",t)}),r.destroyLoader(e)}}_parseAndSetSrcsetAttributeOnImage(e,t,n){let i=0;const o=Object.keys(e).filter(e=>{const t=parseInt(e,10);if(!isNaN(t))return i=Math.max(i,t),!0}).map(t=>`${e[t]} ${t}w`).join(", ");""!=o&&n.setAttribute("srcset",{data:o,width:i},t)}}function Qf(e,t){return Array.from(e.model.createRangeOn(t)).filter(e=>e.item.is("element","image")).map(e=>e.item)}class Jf extends cd{constructor(e){super(e),this._childCommands=[]}refresh(){}execute(...e){return this._getFirstEnabledCommand().execute(e)}registerChildCommand(e){this._childCommands.push(e),e.on("change:isEnabled",()=>this._checkEnabled()),this._checkEnabled()}_checkEnabled(){this.isEnabled=!!this._getFirstEnabledCommand()}_getFirstEnabledCommand(){return this._childCommands.find(e=>e.isEnabled)}}class Zf extends sd{static get pluginName(){return"IndentEditing"}init(){const e=this.editor;e.commands.add("indent",new Jf(e)),e.commands.add("outdent",new Jf(e))}}var Xf='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm5 6c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zM2.75 16.5h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 1 0 0 1.5zM1.632 6.95L5.02 9.358a.4.4 0 0 1-.013.661l-3.39 2.207A.4.4 0 0 1 1 11.892V7.275a.4.4 0 0 1 .632-.326z"/></svg>',ep='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 3.75c0 .414.336.75.75.75h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 0 0-.75.75zm5 6c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zM2.75 16.5h14.5a.75.75 0 1 0 0-1.5H2.75a.75.75 0 1 0 0 1.5zm1.618-9.55L.98 9.358a.4.4 0 0 0 .013.661l3.39 2.207A.4.4 0 0 0 5 11.892V7.275a.4.4 0 0 0-.632-.326z"/></svg>';class tp extends sd{static get pluginName(){return"IndentUI"}init(){const e=this.editor,t=e.locale,n=e.t,i="ltr"==t.uiLanguageDirection?Xf:ep,o="ltr"==t.uiLanguageDirection?ep:Xf;this._defineButton("indent",n("Increase indent"),i),this._defineButton("outdent",n("Decrease indent"),o)}_defineButton(e,t,n){const i=this.editor;i.ui.componentFactory.add(e,o=>{const r=i.commands.get(e),s=new Ul(o);return s.set({label:t,icon:n,tooltip:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),this.listenTo(s,"execute",()=>{i.execute(e),i.editing.view.focus()}),s})}}class np extends cd{constructor(e,t){super(e),this._indentBehavior=t}refresh(){const e=this.editor.model,t=dd(e.document.selection.getSelectedBlocks());t&&e.schema.checkAttribute(t,"blockIndent")?this.isEnabled=this._indentBehavior.checkEnabled(t.getAttribute("blockIndent")):this.isEnabled=!1}execute(){const e=this.editor.model,t=function(e){const t=e.document.selection,n=e.schema;return Array.from(t.getSelectedBlocks()).filter(e=>n.checkAttribute(e,"blockIndent"))}(e);e.change(e=>{for(const n of t){const t=n.getAttribute("blockIndent"),i=this._indentBehavior.getNextIndent(t);i?e.setAttribute("blockIndent",i,n):e.removeAttribute("blockIndent",n)}})}}class ip{constructor(e){this.isForward="forward"===e.direction,this.offset=e.offset,this.unit=e.unit}checkEnabled(e){const t=parseFloat(e||0);return this.isForward||t>0}getNextIndent(e){const t=parseFloat(e||0);if(!(!e||e.endsWith(this.unit)))return this.isForward?this.offset+this.unit:void 0;const n=t+(this.isForward?this.offset:-this.offset);return n>0?n+this.unit:void 0}}class op{constructor(e){this.isForward="forward"===e.direction,this.classes=e.classes}checkEnabled(e){const t=this.classes.indexOf(e);return this.isForward?t<this.classes.length-1:t>=0}getNextIndent(e){const t=this.classes.indexOf(e),n=this.isForward?1:-1;return this.classes[t+n]}}function rp(e){var t,n;e.setNormalizer("margin",(t="margin",e=>({path:t,value:ng(e)}))),e.setNormalizer("margin-top",e=>({path:"margin.top",value:e})),e.setNormalizer("margin-right",e=>({path:"margin.right",value:e})),e.setNormalizer("margin-bottom",e=>({path:"margin.bottom",value:e})),e.setNormalizer("margin-left",e=>({path:"margin.left",value:e})),e.setReducer("margin",(n="margin",e=>{const{top:t,right:i,bottom:o,left:r}=e,s=[];return[t,i,r,o].every(e=>!!e)?s.push([n,ig(e)]):(t&&s.push([n+"-top",t]),i&&s.push([n+"-right",i]),o&&s.push([n+"-bottom",o]),r&&s.push([n+"-left",r])),s})),e.setStyleRelation("margin",["margin-top","margin-right","margin-bottom","margin-left"])}class sp extends sd{static get pluginName(){return"ItalicEditing"}init(){const e=this.editor;e.model.schema.extend("$text",{allowAttributes:"italic"}),e.model.schema.setAttributeProperties("italic",{isFormatting:!0,copyOnEnter:!0}),e.conversion.attributeToElement({model:"italic",view:"i",upcastAlso:["em",{styles:{"font-style":"italic"}}]}),e.commands.add("italic",new zd(e,"italic")),e.keystrokes.set("CTRL+I","italic")}}class ap extends sd{init(){const e=this.editor,t=e.t;e.ui.componentFactory.add("italic",n=>{const i=e.commands.get("italic"),o=new Ul(n);return o.set({label:t("Italic"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M9.586 14.633l.021.004c-.036.335.095.655.393.962.082.083.173.15.274.201h1.474a.6.6 0 1 1 0 1.2H5.304a.6.6 0 0 1 0-1.2h1.15c.474-.07.809-.182 1.005-.334.157-.122.291-.32.404-.597l2.416-9.55a1.053 1.053 0 0 0-.281-.823 1.12 1.12 0 0 0-.442-.296H8.15a.6.6 0 0 1 0-1.2h6.443a.6.6 0 1 1 0 1.2h-1.195c-.376.056-.65.155-.823.296-.215.175-.423.439-.623.79l-2.366 9.347z"/></svg>',keystroke:"CTRL+I",tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>{e.execute("italic"),e.editing.view.focus()}),o})}}class cp extends Lr{constructor(e){super(e),this.domEventType="click"}onDomEvent(e){this.fire(e.type,e)}}n(94);class lp extends kl{constructor(e,t,n){super(e);const i=e.t;this.focusTracker=new Hc,this.keystrokes=new Rc,this.urlInputView=this._createUrlInput(n),this.saveButtonView=this._createButton(i("Save"),Jg,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(i("Cancel"),Zg,"ck-button-cancel","cancel"),this._manualDecoratorSwitches=this._createManualDecoratorSwitches(t),this.children=this._createFormChildren(t.manualDecorators),this._focusables=new Xc,this._focusCycler=new Ml({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});const o=["ck","ck-link-form"];t.manualDecorators.length&&o.push("ck-link-form_layout-vertical"),this.setTemplate({tag:"form",attributes:{class:o,tabindex:"-1"},children:this.children})}getDecoratorSwitchesState(){return Array.from(this._manualDecoratorSwitches).reduce((e,t)=>(e[t.name]=t.isOn,e),{})}render(){super.render(),Qg({view:this});[this.urlInputView,...this._manualDecoratorSwitches,this.saveButtonView,this.cancelButtonView].forEach(e=>{this._focusables.add(e),this.focusTracker.add(e.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createUrlInput(e="https://"){const t=this.locale.t,n=new Gg(this.locale,Kg);return n.label=t("Link URL"),n.fieldView.placeholder=e+"example.com",n}_createButton(e,t,n,i){const o=new Ul(this.locale);return o.set({label:e,icon:t,tooltip:!0}),o.extendTemplate({attributes:{class:n}}),i&&o.delegate("execute").to(this,i),o}_createManualDecoratorSwitches(e){const t=this.createCollection();for(const n of e.manualDecorators){const i=new Kl(this.locale);i.set({name:n.id,label:n.label,withText:!0}),i.bind("isOn").toMany([n,e],"value",(e,t)=>void 0===t&&void 0===e?n.defaultValue:e),i.on("execute",()=>{n.set("value",!i.isOn)}),t.add(i)}return t}_createFormChildren(e){const t=this.createCollection();if(t.add(this.urlInputView),e.length){const e=new kl;e.setTemplate({tag:"ul",children:this._manualDecoratorSwitches.map(e=>({tag:"li",children:[e],attributes:{class:["ck","ck-list__item"]}})),attributes:{class:["ck","ck-reset","ck-list"]}}),t.add(e)}return t.add(this.saveButtonView),t.add(this.cancelButtonView),t}}n(96);class dp extends kl{constructor(e){super(e);const t=e.t;this.focusTracker=new Hc,this.keystrokes=new Rc,this.previewButtonView=this._createPreviewButton(),this.unlinkButtonView=this._createButton(t("Unlink"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.077 15l.991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184zm4.919 10.562l-1.414 1.414a.75.75 0 1 1-1.06-1.06l1.414-1.415-1.415-1.414a.75.75 0 0 1 1.061-1.06l1.414 1.414 1.414-1.415a.75.75 0 0 1 1.061 1.061l-1.414 1.414 1.414 1.415a.75.75 0 0 1-1.06 1.06l-1.415-1.414z"/></svg>',"unlink"),this.editButtonView=this._createButton(t("Edit link"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7.3 17.37l-.061.088a1.518 1.518 0 0 1-.934.535l-4.178.663-.806-4.153a1.495 1.495 0 0 1 .187-1.058l.056-.086L8.77 2.639c.958-1.351 2.803-1.076 4.296-.03 1.497 1.047 2.387 2.693 1.433 4.055L7.3 17.37zM9.14 4.728l-5.545 8.346 3.277 2.294 5.544-8.346L9.14 4.728zM6.07 16.512l-3.276-2.295.53 2.73 2.746-.435zM9.994 3.506L13.271 5.8c.316-.452-.16-1.333-1.065-1.966-.905-.634-1.895-.78-2.212-.328zM8 18.5L9.375 17H19v1.5H8z"/></svg>',"edit"),this.set("href"),this._focusables=new Xc,this._focusCycler=new Ml({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-link-actions"],tabindex:"-1"},children:[this.previewButtonView,this.editButtonView,this.unlinkButtonView]})}render(){super.render();[this.previewButtonView,this.editButtonView,this.unlinkButtonView].forEach(e=>{this._focusables.add(e),this.focusTracker.add(e.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createButton(e,t,n){const i=new Ul(this.locale);return i.set({label:e,icon:t,tooltip:!0}),i.delegate("execute").to(this,n),i}_createPreviewButton(){const e=new Ul(this.locale),t=this.bindTemplate,n=this.t;return e.set({withText:!0,tooltip:n("Open link in new tab")}),e.extendTemplate({attributes:{class:["ck","ck-link-actions__preview"],href:t.to("href",e=>e&&sh(e)),target:"_blank",rel:"noopener noreferrer"}}),e.bind("label").to(this,"href",e=>e||n("This link has no URL")),e.bind("isEnabled").to(this,"href",e=>!!e),e.template.tag="a",e.template.eventListeners={},e}}var up='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.077 15l.991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184z"/></svg>';const hp=/^((\w+:(\/{2,})?)|(\W))/i,mp=/[\w-]+@[\w-]+\.+[\w-]+/i;class gp extends sd{static get requires(){return[tf]}static get pluginName(){return"LinkUI"}init(){const e=this.editor;e.editing.view.addObserver(cp),this.actionsView=this._createActionsView(),this.formView=this._createFormView(),this._balloon=e.plugins.get(tf),this._createToolbarLinkButton(),this._enableUserBalloonInteractions(),e.conversion.for("editingDowncast").markerToHighlight({model:"link-ui",view:{classes:["ck-fake-link-selection"]}}),e.conversion.for("editingDowncast").markerToElement({model:"link-ui",view:{name:"span",classes:["ck-fake-link-selection","ck-fake-link-selection_collapsed"]}})}destroy(){super.destroy(),this.formView.destroy()}_createActionsView(){const e=this.editor,t=new dp(e.locale),n=e.commands.get("link"),i=e.commands.get("unlink");return t.bind("href").to(n,"value"),t.editButtonView.bind("isEnabled").to(n),t.unlinkButtonView.bind("isEnabled").to(i),this.listenTo(t,"edit",()=>{this._addFormView()}),this.listenTo(t,"unlink",()=>{e.execute("unlink"),this._hideUI()}),t.keystrokes.set("Esc",(e,t)=>{this._hideUI(),t()}),t.keystrokes.set("Ctrl+K",(e,t)=>{this._addFormView(),t()}),t}_createFormView(){const e=this.editor,t=e.commands.get("link"),n=e.config.get("link.defaultProtocol"),i=new lp(e.locale,t,n);return i.urlInputView.fieldView.bind("value").to(t,"value"),i.urlInputView.bind("isReadOnly").to(t,"isEnabled",e=>!e),i.saveButtonView.bind("isEnabled").to(t),this.listenTo(i,"submit",()=>{const{value:t}=i.urlInputView.fieldView.element,o=!!n&&!hp.test(t),r=mp.test(t),s=t&&o?(r?"mailto:":n)+t:t;e.execute("link",s,i.getDecoratorSwitchesState()),this._closeFormView()}),this.listenTo(i,"cancel",()=>{this._closeFormView()}),i.keystrokes.set("Esc",(e,t)=>{this._closeFormView(),t()}),i}_createToolbarLinkButton(){const e=this.editor,t=e.commands.get("link"),n=e.t;e.keystrokes.set("Ctrl+K",(e,t)=>{t(),this._showUI(!0)}),e.ui.componentFactory.add("link",e=>{const i=new Ul(e);return i.isEnabled=!0,i.label=n("Link"),i.icon=up,i.keystroke="Ctrl+K",i.tooltip=!0,i.isToggleable=!0,i.bind("isEnabled").to(t,"isEnabled"),i.bind("isOn").to(t,"value",e=>!!e),this.listenTo(i,"execute",()=>this._showUI(!0)),i})}_enableUserBalloonInteractions(){const e=this.editor.editing.view.document;this.listenTo(e,"click",()=>{this._getSelectedLinkElement()&&this._showUI()}),this.editor.keystrokes.set("Tab",(e,t)=>{this._areActionsVisible&&!this.actionsView.focusTracker.isFocused&&(this.actionsView.focus(),t())},{priority:"high"}),this.editor.keystrokes.set("Esc",(e,t)=>{this._isUIVisible&&(this._hideUI(),t())}),Ql({emitter:this.formView,activator:()=>this._isUIInPanel,contextElements:[this._balloon.view.element],callback:()=>this._hideUI()})}_addActionsView(){this._areActionsInPanel||this._balloon.add({view:this.actionsView,position:this._getBalloonPositionData()})}_addFormView(){if(this._isFormInPanel)return;const e=this.editor.commands.get("link");this._balloon.add({view:this.formView,position:this._getBalloonPositionData()}),this._balloon.visibleView===this.formView&&this.formView.urlInputView.fieldView.select(),this.formView.urlInputView.fieldView.element.value=e.value||""}_closeFormView(){const e=this.editor.commands.get("link");e.restoreManualDecoratorStates(),void 0!==e.value?this._removeFormView():this._hideUI()}_removeFormView(){this._isFormInPanel&&(this.formView.saveButtonView.focus(),this._balloon.remove(this.formView),this.editor.editing.view.focus(),this._hideFakeVisualSelection())}_showUI(e=!1){this._getSelectedLinkElement()?(this._areActionsVisible?this._addFormView():this._addActionsView(),e&&this._balloon.showStack("main")):(this._addActionsView(),e&&this._balloon.showStack("main"),this._addFormView(),this._showFakeVisualSelection()),this._startUpdatingUI()}_hideUI(){if(!this._isUIInPanel)return;const e=this.editor;this.stopListening(e.ui,"update"),this.stopListening(this._balloon,"change:visibleView"),e.editing.view.focus(),this._removeFormView(),this._balloon.remove(this.actionsView),this._hideFakeVisualSelection()}_startUpdatingUI(){const e=this.editor,t=e.editing.view.document;let n=this._getSelectedLinkElement(),i=r();const o=()=>{const e=this._getSelectedLinkElement(),t=r();n&&!e||!n&&t!==i?this._hideUI():this._isUIVisible&&this._balloon.updatePosition(this._getBalloonPositionData()),n=e,i=t};function r(){return t.selection.focus.getAncestors().reverse().find(e=>e.is("element"))}this.listenTo(e.ui,"update",o),this.listenTo(this._balloon,"change:visibleView",o)}get _isFormInPanel(){return this._balloon.hasView(this.formView)}get _areActionsInPanel(){return this._balloon.hasView(this.actionsView)}get _areActionsVisible(){return this._balloon.visibleView===this.actionsView}get _isUIInPanel(){return this._isFormInPanel||this._areActionsInPanel}get _isUIVisible(){return this._balloon.visibleView==this.formView||this._areActionsVisible}_getBalloonPositionData(){const e=this.editor.editing.view,t=e.document,n=this._getSelectedLinkElement();return{target:n?e.domConverter.mapViewToDom(n):e.domConverter.viewRangeToDom(t.selection.getFirstRange())}}_getSelectedLinkElement(){const e=this.editor.editing.view,t=e.document.selection;if(t.isCollapsed)return fp(t.getFirstPosition());{const n=t.getFirstRange().getTrimmed(),i=fp(n.start),o=fp(n.end);return i&&i==o&&e.createRangeIn(i).getTrimmed().isEqual(n)?i:null}}_showFakeVisualSelection(){const e=this.editor.model;e.change(t=>{e.markers.has("link-ui")?t.updateMarker("link-ui",{range:e.document.selection.getFirstRange()}):t.addMarker("link-ui",{usingOperation:!1,affectsData:!1,range:e.document.selection.getFirstRange()})})}_hideFakeVisualSelection(){const e=this.editor.model;e.markers.has("link-ui")&&e.change(e=>{e.removeMarker("link-ui")})}}function fp(e){return e.getAncestors().find(e=>{return(t=e).is("attributeElement")&&!!t.getCustomProperty("link");var t})}class pp extends sd{static get requires(){return[gu,hh]}static get pluginName(){return"LinkImageEditing"}init(){const e=this.editor;e.model.schema.extend("image",{allowAttributes:["linkHref"]}),e.conversion.for("upcast").add(e=>{e.on("element:a",(e,t,n)=>{const i=t.viewItem,o=Array.from(i.getChildren()).find(e=>"img"===e.name);if(!o)return;if(!n.consumable.consume(i,{attributes:["href"]}))return;const r=i.getAttribute("href");if(!r)return;let s=t.modelCursor.parent;if(!s.is("element","image")){const e=n.convertItem(o,t.modelCursor);t.modelRange=e.modelRange,t.modelCursor=e.modelCursor,s=t.modelCursor.nodeBefore}s&&s.is("element","image")&&n.writer.setAttribute("linkHref",r,s)},{priority:"high"})}),e.conversion.for("editingDowncast").add(bp({attachIconIndicator:!0})),e.conversion.for("dataDowncast").add(bp({attachIconIndicator:!1})),this._enableAutomaticDecorators(),this._enableManualDecorators()}_enableAutomaticDecorators(){const e=this.editor,t=e.commands.get("link").automaticDecorators;t.length&&e.conversion.for("downcast").add(t.getDispatcherForLinkedImage())}_enableManualDecorators(){const e=this.editor,t=e.commands.get("link"),n=t.manualDecorators;for(const i of t.manualDecorators)e.model.schema.extend("image",{allowAttributes:i.id}),e.conversion.for("downcast").add(wp(n,i)),e.conversion.for("upcast").add(kp(n,i))}}function bp(e){return t=>{t.on("attribute:linkHref:image",(t,n,i)=>{const o=i.mapper.toViewElement(n.item),r=i.writer,s=Array.from(o.getChildren()).find(e=>"a"===e.name);let a;if(e.attachIconIndicator&&(a=r.createUIElement("span",{class:"ck ck-link-image_icon"},(function(e){const t=this.toDomElement(e);return t.innerHTML=up,t}))),s)if(n.attributeNewValue)r.setAttribute("href",n.attributeNewValue,s);else{const e=Array.from(s.getChildren()).find(e=>"img"===e.name);r.move(r.createRangeOn(e),r.createPositionAt(o,0)),r.remove(s)}else{const e=r.createContainerElement("a",{href:n.attributeNewValue});r.insert(r.createPositionAt(o,0),e),r.move(r.createRangeOn(o.getChild(1)),r.createPositionAt(e,0)),a&&r.insert(r.createPositionAt(e,"end"),a)}})}}function wp(e,t){return n=>{n.on(`attribute:${t.id}:image`,(n,i,o)=>{const r=e.get(t.id).attributes,s=o.mapper.toViewElement(i.item),a=Array.from(s.getChildren()).find(e=>"a"===e.name);for(const[e,t]of Dn(r))o.writer.setAttribute(e,t,a)})}}function kp(e,t){return n=>{n.on("element:a",(n,i,o)=>{const r=i.viewItem,s={attributes:e.get(t.id).attributes},a=new Ln(s).match(r);if(!a)return;if(!o.consumable.consume(r,a.match))return;const c=i.modelCursor.parent;o.writer.setAttribute(t.id,!0,c)},{priority:"high"})}}class _p extends sd{static get requires(){return[cf,hh,gp]}static get pluginName(){return"LinkImageUI"}init(){const e=this.editor.editing.view.document;this.listenTo(e,"click",(t,n)=>{vp(e.selection.getSelectedElement())&&n.preventDefault()}),this._createToolbarLinkImageButton()}_createToolbarLinkImageButton(){const e=this.editor,t=e.t;e.ui.componentFactory.add("linkImage",n=>{const i=new Ul(n),o=e.plugins.get("LinkUI"),r=e.commands.get("link");return i.set({isEnabled:!0,label:t("Link image"),icon:up,keystroke:"Ctrl+K",tooltip:!0,isToggleable:!0}),i.bind("isEnabled").to(r,"isEnabled"),i.bind("isOn").to(r,"value",e=>!!e),this.listenTo(i,"execute",()=>{vp(e.editing.view.document.selection.getSelectedElement())?o._addActionsView():o._showUI(!0)}),i})}}function vp(e){return!(!e||!su(e))&&e.getChild(0).is("element","a")}n(98);class yp extends cd{constructor(e,t){super(e),this.type=t}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(){const e=this.editor.model,t=e.document,n=Array.from(t.selection.getSelectedBlocks()).filter(t=>Ap(t,e.schema)),i=!0===this.value;e.change(e=>{if(i){let t=n[n.length-1].nextSibling,i=Number.POSITIVE_INFINITY,o=[];for(;t&&"listItem"==t.name&&0!==t.getAttribute("listIndent");){const e=t.getAttribute("listIndent");e<i&&(i=e);const n=e-i;o.push({element:t,listIndent:n}),t=t.nextSibling}o=o.reverse();for(const t of o)e.setAttribute("listIndent",t.listIndent,t.element)}if(!i){let e=Number.POSITIVE_INFINITY;for(const t of n)t.is("element","listItem")&&t.getAttribute("listIndent")<e&&(e=t.getAttribute("listIndent"));e=0===e?1:e,xp(n,!0,e),xp(n,!1,e)}for(const t of n.reverse())i&&"listItem"==t.name?e.rename(t,"paragraph"):i||"listItem"==t.name?i||"listItem"!=t.name||t.getAttribute("listType")==this.type||e.setAttribute("listType",this.type,t):(e.setAttributes({listType:this.type,listIndent:0},t),e.rename(t,"listItem"))})}_getValue(){const e=dd(this.editor.model.document.selection.getSelectedBlocks());return!!e&&e.is("element","listItem")&&e.getAttribute("listType")==this.type}_checkEnabled(){if(this.value)return!0;const e=this.editor.model.document.selection,t=this.editor.model.schema,n=dd(e.getSelectedBlocks());return!!n&&Ap(n,t)}}function xp(e,t,n){const i=t?e[0]:e[e.length-1];if(i.is("element","listItem")){let o=i[t?"previousSibling":"nextSibling"],r=i.getAttribute("listIndent");for(;o&&o.is("element","listItem")&&o.getAttribute("listIndent")>=n;)r>o.getAttribute("listIndent")&&(r=o.getAttribute("listIndent")),o.getAttribute("listIndent")==r&&e[t?"unshift":"push"](o),o=o[t?"previousSibling":"nextSibling"]}}function Ap(e,t){return t.checkChild(e.parent,"listItem")&&!t.isObject(e)}class Cp extends cd{constructor(e,t){super(e),this._indentBy="forward"==t?1:-1}refresh(){this.isEnabled=this._checkEnabled()}execute(){const e=this.editor.model,t=e.document;let n=Array.from(t.selection.getSelectedBlocks());e.change(e=>{const t=n[n.length-1];let i=t.nextSibling;for(;i&&"listItem"==i.name&&i.getAttribute("listIndent")>t.getAttribute("listIndent");)n.push(i),i=i.nextSibling;this._indentBy<0&&(n=n.reverse());for(const t of n){const n=t.getAttribute("listIndent")+this._indentBy;n<0?e.rename(t,"paragraph"):e.setAttribute("listIndent",n,t)}})}_checkEnabled(){const e=dd(this.editor.model.document.selection.getSelectedBlocks());if(!e||!e.is("element","listItem"))return!1;if(this._indentBy>0){const t=e.getAttribute("listIndent"),n=e.getAttribute("listType");let i=e.previousSibling;for(;i&&i.is("element","listItem")&&i.getAttribute("listIndent")>=t;){if(i.getAttribute("listIndent")==t)return i.getAttribute("listType")==n;i=i.previousSibling}return!1}return!0}}function Tp(e,t){const n=t.mapper,i=t.writer,o="numbered"==e.getAttribute("listType")?"ol":"ul",r=function(e){const t=e.createContainerElement("li");return t.getFillerOffset=Np,t}(i),s=i.createContainerElement(o,null);return i.insert(i.createPositionAt(s,0),r),n.bindElements(e,r),r}function Sp(e,t,n,i){const o=t.parent,r=n.mapper,s=n.writer;let a=r.toViewPosition(i.createPositionBefore(e));const c=Mp(e.previousSibling,{sameIndent:!0,smallerIndent:!0,listIndent:e.getAttribute("listIndent")}),l=e.previousSibling;if(c&&c.getAttribute("listIndent")==e.getAttribute("listIndent")){const e=r.toViewElement(c);a=s.breakContainer(s.createPositionAfter(e))}else if(l&&"listItem"==l.name){a=r.toViewPosition(i.createPositionAt(l,"end"));const e=r.findMappedViewAncestor(a),t=function(e){for(const t of e.getChildren())if("ul"==t.name||"ol"==t.name)return t;return null}(e);a=t?s.createPositionBefore(t):s.createPositionAt(e,"end")}else a=r.toViewPosition(i.createPositionBefore(e));if(a=Ep(a),s.insert(a,o),l&&"listItem"==l.name){const e=r.toViewElement(l),n=s.createRange(s.createPositionAt(e,0),a).getWalker({ignoreElementEnd:!0});for(const e of n)if(e.item.is("element","li")){const i=s.breakContainer(s.createPositionBefore(e.item)),o=e.item.parent,r=s.createPositionAt(t,"end");Pp(s,r.nodeBefore,r.nodeAfter),s.move(s.createRangeOn(o),r),n.position=i}}else{const n=o.nextSibling;if(n&&(n.is("element","ul")||n.is("element","ol"))){let i=null;for(const t of n.getChildren()){const n=r.toModelElement(t);if(!(n&&n.getAttribute("listIndent")>e.getAttribute("listIndent")))break;i=t}i&&(s.breakContainer(s.createPositionAfter(i)),s.move(s.createRangeOn(i.parent),s.createPositionAt(t,"end")))}}Pp(s,o,o.nextSibling),Pp(s,o.previousSibling,o)}function Pp(e,t,n){return!t||!n||"ul"!=t.name&&"ol"!=t.name||t.name!=n.name||t.getAttribute("class")!==n.getAttribute("class")?null:e.mergeContainers(e.createPositionAfter(t))}function Ep(e){return e.getLastMatchingPosition(e=>e.item.is("uiElement"))}function Mp(e,t){const n=!!t.sameIndent,i=!!t.smallerIndent,o=t.listIndent;let r=e;for(;r&&"listItem"==r.name;){const e=r.getAttribute("listIndent");if(n&&o==e||i&&o>e)return r;r=r.previousSibling}return null}function Ip(e,t,n,i){e.ui.componentFactory.add(t,o=>{const r=e.commands.get(t),s=new Ul(o);return s.set({label:n,icon:i,tooltip:!0,isToggleable:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),s.on("execute",()=>{e.execute(t),e.editing.view.focus()}),s})}function Np(){const e=!this.isEmpty&&("ul"==this.getChild(0).name||"ol"==this.getChild(0).name);return this.isEmpty||e?0:Di.call(this)}function Rp(e){return(t,n,i)=>{const o=i.consumable;if(!o.test(n.item,"insert")||!o.test(n.item,"attribute:listType")||!o.test(n.item,"attribute:listIndent"))return;o.consume(n.item,"insert"),o.consume(n.item,"attribute:listType"),o.consume(n.item,"attribute:listIndent");const r=n.item;Sp(r,Tp(r,i),i,e)}}function Op(e,t,n){if(!n.consumable.consume(t.item,"attribute:listType"))return;const i=n.mapper.toViewElement(t.item),o=n.writer;o.breakContainer(o.createPositionBefore(i)),o.breakContainer(o.createPositionAfter(i));const r=i.parent,s="numbered"==t.attributeNewValue?"ol":"ul";o.rename(s,r)}function zp(e,t,n){const i=n.mapper.toViewElement(t.item).parent,o=n.writer;Pp(o,i,i.nextSibling),Pp(o,i.previousSibling,i);for(const e of t.item.getChildren())n.consumable.consume(e,"insert")}function Dp(e,t,n){if("listItem"!=t.item.name){let e=n.mapper.toViewPosition(t.range.start);const i=n.writer,o=[];for(;("ul"==e.parent.name||"ol"==e.parent.name)&&(e=i.breakContainer(e),"li"==e.parent.name);){const t=e,n=i.createPositionAt(e.parent,"end");if(!t.isEqual(n)){const e=i.remove(i.createRange(t,n));o.push(e)}e=i.createPositionAfter(e.parent)}if(o.length>0){for(let t=0;t<o.length;t++){const n=e.nodeBefore;if(e=i.insert(e,o[t]).end,t>0){const t=Pp(i,n,n.nextSibling);t&&t.parent==n&&e.offset--}}Pp(i,e.nodeBefore,e.nodeAfter)}}}function Lp(e,t,n){const i=n.mapper.toViewPosition(t.position),o=i.nodeBefore,r=i.nodeAfter;Pp(n.writer,o,r)}function Vp(e,t,n){if(n.consumable.consume(t.viewItem,{name:!0})){const e=n.writer,i=e.createElement("listItem"),o=function(e){let t=0,n=e.parent;for(;n;){if(n.is("element","li"))t++;else{const e=n.previousSibling;e&&e.is("element","li")&&t++}n=n.parent}return t}(t.viewItem);e.setAttribute("listIndent",o,i);const r=t.viewItem.parent&&"ol"==t.viewItem.parent.name?"numbered":"bulleted";e.setAttribute("listType",r,i);const s=n.splitToAllowedParent(i,t.modelCursor);if(!s)return;e.insert(i,s.position);const a=function(e,t,n){const{writer:i,schema:o}=n;let r=i.createPositionAfter(e);for(const s of t)if("ul"==s.name||"ol"==s.name)r=n.convertItem(s,r).modelCursor;else{const t=n.convertItem(s,i.createPositionAt(e,"end")),a=t.modelRange.start.nodeAfter;a&&a.is("element")&&!o.checkChild(e,a.name)&&(e=t.modelCursor.parent.is("element","listItem")?t.modelCursor.parent:Up(t.modelCursor),r=i.createPositionAfter(e))}return r}(i,t.viewItem.getChildren(),n);t.modelRange=e.createRange(t.modelCursor,a),s.cursorParent?t.modelCursor=e.createPositionAt(s.cursorParent,0):t.modelCursor=t.modelRange.end}}function jp(e,t,n){if(n.consumable.test(t.viewItem,{name:!0})){const e=Array.from(t.viewItem.getChildren());for(const t of e){!(t.is("element","li")||qp(t))&&t._remove()}}}function Bp(e,t,n){if(n.consumable.test(t.viewItem,{name:!0})){if(0===t.viewItem.childCount)return;const e=[...t.viewItem.getChildren()];let n=!1,i=!0;for(const t of e)n&&!qp(t)&&t._remove(),t.is("$text")?(i&&(t._data=t.data.replace(/^\s+/,"")),t.nextSibling&&!qp(t.nextSibling)||(t._data=t.data.replace(/\s+$/,""))):qp(t)&&(n=!0),i=!1}}function Fp(e){return(t,n)=>{if(n.isPhantom)return;const i=n.modelPosition.nodeBefore;if(i&&i.is("element","listItem")){const t=n.mapper.toViewElement(i),o=t.getAncestors().find(qp),r=e.createPositionAt(t,0).getWalker();for(const e of r){if("elementStart"==e.type&&e.item.is("element","li")){n.viewPosition=e.previousPosition;break}if("elementEnd"==e.type&&e.item==o){n.viewPosition=e.nextPosition;break}}}}}function Hp(e,[t,n]){let i,o=t.is("documentFragment")?t.getChild(0):t;if(i=n?this.createSelection(n):this.document.selection,o&&o.is("element","listItem")){const e=i.getFirstPosition();let t=null;if(e.parent.is("element","listItem")?t=e.parent:e.nodeBefore&&e.nodeBefore.is("element","listItem")&&(t=e.nodeBefore),t){const e=t.getAttribute("listIndent");if(e>0)for(;o&&o.is("element","listItem");)o._setAttribute("listIndent",o.getAttribute("listIndent")+e),o=o.nextSibling}}}function Up(e){const t=new ys({startPosition:e});let n;do{n=t.next()}while(!n.value.item.is("element","listItem"));return n.value.item}function Wp(e,t,n,i,o,r){const s=Mp(t.nodeBefore,{sameIndent:!0,smallerIndent:!0,listIndent:e,foo:"b"}),a=o.mapper,c=o.writer,l=s?s.getAttribute("listIndent"):null;let d;if(s)if(l==e){const e=a.toViewElement(s).parent;d=c.createPositionAfter(e)}else{const e=r.createPositionAt(s,"end");d=a.toViewPosition(e)}else d=n;d=Ep(d);for(const e of[...i.getChildren()])qp(e)&&(d=c.move(c.createRangeOn(e),d).end,Pp(c,e,e.nextSibling),Pp(c,e.previousSibling,e))}function qp(e){return e.is("element","ol")||e.is("element","ul")}class $p extends sd{static get pluginName(){return"ListEditing"}static get requires(){return[Eg]}init(){const e=this.editor;e.model.schema.register("listItem",{inheritAllFrom:"$block",allowAttributes:["listType","listIndent"]});const t=e.data,n=e.editing;var i;e.model.document.registerPostFixer(t=>function(e,t){const n=e.document.differ.getChanges(),i=new Map;let o=!1;for(const i of n)if("insert"==i.type&&"listItem"==i.name)r(i.position);else if("insert"==i.type&&"listItem"!=i.name){if("$text"!=i.name){const n=i.position.nodeAfter;n.hasAttribute("listIndent")&&(t.removeAttribute("listIndent",n),o=!0),n.hasAttribute("listType")&&(t.removeAttribute("listType",n),o=!0);for(const t of Array.from(e.createRangeIn(n)).filter(e=>e.item.is("element","listItem")))r(t.previousPosition)}r(i.position.getShiftedBy(i.length))}else"remove"==i.type&&"listItem"==i.name?r(i.position):("attribute"==i.type&&"listIndent"==i.attributeKey||"attribute"==i.type&&"listType"==i.attributeKey)&&r(i.range.start);for(const e of i.values())s(e),a(e);return o;function r(e){const t=e.nodeBefore;if(t&&t.is("element","listItem")){let e=t;if(i.has(e))return;for(let t=e.previousSibling;t&&t.is("element","listItem");t=e.previousSibling)if(e=t,i.has(e))return;i.set(t,e)}else{const t=e.nodeAfter;t&&t.is("element","listItem")&&i.set(t,t)}}function s(e){let n=0,i=null;for(;e&&e.is("element","listItem");){const r=e.getAttribute("listIndent");if(r>n){let s;null===i?(i=r-n,s=n):(i>r&&(i=r),s=r-i),t.setAttribute("listIndent",s,e),o=!0}else i=null,n=e.getAttribute("listIndent")+1;e=e.nextSibling}}function a(e){let n=[],i=null;for(;e&&e.is("element","listItem");){const r=e.getAttribute("listIndent");if(i&&i.getAttribute("listIndent")>r&&(n=n.slice(0,r+1)),0!=r)if(n[r]){const i=n[r];e.getAttribute("listType")!=i&&(t.setAttribute("listType",i,e),o=!0)}else n[r]=e.getAttribute("listType");i=e,e=e.nextSibling}}}(e.model,t)),n.mapper.registerViewToModelLength("li",Gp),t.mapper.registerViewToModelLength("li",Gp),n.mapper.on("modelToViewPosition",Fp(n.view)),n.mapper.on("viewToModelPosition",(i=e.model,(e,t)=>{const n=t.viewPosition,o=n.parent,r=t.mapper;if("ul"==o.name||"ol"==o.name){if(n.isAtEnd){const e=r.toModelElement(n.nodeBefore),o=r.getModelLength(n.nodeBefore);t.modelPosition=i.createPositionBefore(e).getShiftedBy(o)}else{const e=r.toModelElement(n.nodeAfter);t.modelPosition=i.createPositionBefore(e)}e.stop()}else if("li"==o.name&&n.nodeBefore&&("ul"==n.nodeBefore.name||"ol"==n.nodeBefore.name)){const s=r.toModelElement(o);let a=1,c=n.nodeBefore;for(;c&&qp(c);)a+=r.getModelLength(c),c=c.previousSibling;t.modelPosition=i.createPositionBefore(s).getShiftedBy(a),e.stop()}})),t.mapper.on("modelToViewPosition",Fp(n.view)),e.conversion.for("editingDowncast").add(t=>{t.on("insert",Dp,{priority:"high"}),t.on("insert:listItem",Rp(e.model)),t.on("attribute:listType:listItem",Op,{priority:"high"}),t.on("attribute:listType:listItem",zp,{priority:"low"}),t.on("attribute:listIndent:listItem",function(e){return(t,n,i)=>{if(!i.consumable.consume(n.item,"attribute:listIndent"))return;const o=i.mapper.toViewElement(n.item),r=i.writer;r.breakContainer(r.createPositionBefore(o)),r.breakContainer(r.createPositionAfter(o));const s=o.parent,a=s.previousSibling,c=r.createRangeOn(s);r.remove(c),a&&a.nextSibling&&Pp(r,a,a.nextSibling),Wp(n.attributeOldValue+1,n.range.start,c.start,o,i,e),Sp(n.item,o,i,e);for(const e of n.item.getChildren())i.consumable.consume(e,"insert")}}(e.model)),t.on("remove:listItem",function(e){return(t,n,i)=>{const o=i.mapper.toViewPosition(n.position).getLastMatchingPosition(e=>!e.item.is("element","li")).nodeAfter,r=i.writer;r.breakContainer(r.createPositionBefore(o)),r.breakContainer(r.createPositionAfter(o));const s=o.parent,a=s.previousSibling,c=r.createRangeOn(s),l=r.remove(c);a&&a.nextSibling&&Pp(r,a,a.nextSibling);Wp(i.mapper.toModelElement(o).getAttribute("listIndent")+1,n.position,c.start,o,i,e);for(const e of r.createRangeIn(l).getItems())i.mapper.unbindViewElement(e);t.stop()}}(e.model)),t.on("remove",Lp,{priority:"low"})}),e.conversion.for("dataDowncast").add(t=>{t.on("insert",Dp,{priority:"high"}),t.on("insert:listItem",Rp(e.model))}),e.conversion.for("upcast").add(e=>{e.on("element:ul",jp,{priority:"high"}),e.on("element:ol",jp,{priority:"high"}),e.on("element:li",Bp,{priority:"high"}),e.on("element:li",Vp)}),e.model.on("insertContent",Hp,{priority:"high"}),e.commands.add("numberedList",new yp(e,"numbered")),e.commands.add("bulletedList",new yp(e,"bulleted")),e.commands.add("indentList",new Cp(e,"forward")),e.commands.add("outdentList",new Cp(e,"backward"));const o=n.view.document;this.listenTo(o,"enter",(e,t)=>{const n=this.editor.model.document,i=n.selection.getLastPosition().parent;n.selection.isCollapsed&&"listItem"==i.name&&i.isEmpty&&(this.editor.execute("outdentList"),t.preventDefault(),e.stop())}),this.listenTo(o,"delete",(e,t)=>{if("backward"!==t.direction)return;const n=this.editor.model.document.selection;if(!n.isCollapsed)return;const i=n.getFirstPosition();if(!i.isAtStart)return;const o=i.parent;if("listItem"!==o.name)return;o.previousSibling&&"listItem"===o.previousSibling.name||(this.editor.execute("outdentList"),t.preventDefault(),e.stop())},{priority:"high"});const r=e=>(t,n)=>{this.editor.commands.get(e).isEnabled&&(this.editor.execute(e),n())};e.keystrokes.set("Tab",r("indentList")),e.keystrokes.set("Shift+Tab",r("outdentList"))}afterInit(){const e=this.editor.commands,t=e.get("indent"),n=e.get("outdent");t&&t.registerChildCommand(e.get("indentList")),n&&n.registerChildCommand(e.get("outdentList"))}}function Gp(e){let t=1;for(const n of e.getChildren())if("ul"==n.name||"ol"==n.name)for(const e of n.getChildren())t+=Gp(e);return t}class Yp extends sd{init(){const e=this.editor.t;Ip(this.editor,"numberedList",e("Numbered List"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7 5.75c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zM3.5 3v5H2V3.7H1v-1h2.5V3zM.343 17.857l2.59-3.257H2.92a.6.6 0 1 0-1.04 0H.302a2 2 0 1 1 3.995 0h-.001c-.048.405-.16.734-.333.988-.175.254-.59.692-1.244 1.312H4.3v1h-4l.043-.043zM7 14.75a.75.75 0 0 1 .75-.75h9.5a.75.75 0 1 1 0 1.5h-9.5a.75.75 0 0 1-.75-.75z"/></svg>'),Ip(this.editor,"bulletedList",e("Bulleted List"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7 5.75c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zm-6 0C1 4.784 1.777 4 2.75 4c.966 0 1.75.777 1.75 1.75 0 .966-.777 1.75-1.75 1.75C1.784 7.5 1 6.723 1 5.75zm6 9c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zm-6 0c0-.966.777-1.75 1.75-1.75.966 0 1.75.777 1.75 1.75 0 .966-.777 1.75-1.75 1.75-.966 0-1.75-.777-1.75-1.75z"/></svg>')}}function Kp(e,t){return e=>{e.on("attribute:url:media",n)};function n(n,i,o){if(!o.consumable.consume(i.item,n.name))return;const r=i.attributeNewValue,s=o.writer,a=o.mapper.toViewElement(i.item),c=[...a.getChildren()].find(e=>e.getCustomProperty("media-content"));s.remove(c);const l=e.getMediaViewElement(s,r,t);s.insert(s.createPositionAt(a,0),l)}}function Qp(e){const t=e.getSelectedElement();return t&&function(e){return!!e.getCustomProperty("media")&&Zd(e)}(t)?t:null}function Jp(e,t,n,i){const o=e.createContainerElement("figure",{class:"media"});return e.insert(e.createPositionAt(o,0),t.getMediaViewElement(e,n,i)),o}function Zp(e){const t=e.getSelectedElement();return t&&t.is("element","media")?t:null}function Xp(e,t,n){e.change(i=>{const o=i.createElement("media",{url:t});e.insertContent(o,n),i.setSelection(o,"on")})}class eb extends cd{refresh(){const e=this.editor.model,t=e.document.selection,n=e.schema,i=t.getFirstPosition(),o=Zp(t);let r=i.parent;r!=r.root&&(r=r.parent),this.value=o?o.getAttribute("url"):null,this.isEnabled=n.checkChild(r,"media")}execute(e){const t=this.editor.model,n=t.document.selection,i=Zp(n);if(i)t.change(t=>{t.setAttribute("url",e,i)});else{const i=iu(n,t);Xp(t,e,i)}}}class tb{constructor(e,t){const n=t.providers,i=t.extraProviders||[],o=new Set(t.removeProviders),r=n.concat(i).filter(e=>{const t=e.name;return t?!o.has(t):(console.warn(Object(hn.a)("media-embed-no-provider-name: The configured media provider has no name and cannot be used."),{provider:e}),!1)});this.locale=e,this.providerDefinitions=r}hasMedia(e){return!!this._getMedia(e)}getMediaViewElement(e,t,n){return this._getMedia(t).getViewElement(e,n)}_getMedia(e){if(!e)return new nb(this.locale);e=e.trim();for(const t of this.providerDefinitions){const n=t.html;let i=t.url;Array.isArray(i)||(i=[i]);for(const t of i){const i=this._getUrlMatches(e,t);if(i)return new nb(this.locale,e,i,n)}}return null}_getUrlMatches(e,t){let n=e.match(t);if(n)return n;let i=e.replace(/^https?:\/\//,"");return n=i.match(t),n||(i=i.replace(/^www\./,""),n=i.match(t),n||null)}}class nb{constructor(e,t,n,i){this.url=this._getValidUrl(t),this._t=e.t,this._match=n,this._previewRenderer=i}getViewElement(e,t){const n={};let i;if(t.renderForEditingView||t.renderMediaPreview&&this.url&&this._previewRenderer){this.url&&(n["data-oembed-url"]=this.url),t.renderForEditingView&&(n.class="ck-media__wrapper");const o=this._getPreviewHtml(t);i=e.createRawElement("div",n,(function(e){e.innerHTML=o}))}else this.url&&(n.url=this.url),i=e.createEmptyElement("oembed",n);return e.setCustomProperty("media-content",!0,i),i}_getPreviewHtml(e){return this._previewRenderer?this._previewRenderer(this._match):this.url&&e.renderForEditingView?this._getPlaceholderHtml():""}_getPlaceholderHtml(){const e=new Hl,t=new Fl;e.text=this._t("Open media in new tab"),t.content='<svg viewBox="0 0 64 42" xmlns="http://www.w3.org/2000/svg"><path d="M47.426 17V3.713L63.102 0v19.389h-.001l.001.272c0 1.595-2.032 3.43-4.538 4.098-2.506.668-4.538-.083-4.538-1.678 0-1.594 2.032-3.43 4.538-4.098.914-.244 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0 0 1 .593-.35l9.05 4.977a.4.4 0 0 1 0 .701l-9.05 4.978a.4.4 0 0 1-.593-.35v-9.956z"/></svg>',t.viewBox="0 0 64 42";return new el({tag:"div",attributes:{class:"ck ck-reset_all ck-media__placeholder"},children:[{tag:"div",attributes:{class:"ck-media__placeholder__icon"},children:[t]},{tag:"a",attributes:{class:"ck-media__placeholder__url",target:"_blank",rel:"noopener noreferrer",href:this.url},children:[{tag:"span",attributes:{class:"ck-media__placeholder__url__text"},children:[this.url]},e]}]}).render().outerHTML}_getValidUrl(e){return e?e.match(/^https?/)?e:"https://"+e:null}}n(100);class ib extends sd{static get pluginName(){return"MediaEmbedEditing"}constructor(e){super(e),e.config.define("mediaEmbed",{providers:[{name:"dailymotion",url:/^dailymotion\.com\/video\/(\w+)/,html:e=>`<div style="position: relative; padding-bottom: 100%; height: 0; "><iframe src="https://www.dailymotion.com/embed/video/${e[1]}" style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" width="480" height="270" allowfullscreen allow="autoplay"></iframe></div>`},{name:"spotify",url:[/^open\.spotify\.com\/(artist\/\w+)/,/^open\.spotify\.com\/(album\/\w+)/,/^open\.spotify\.com\/(track\/\w+)/],html:e=>`<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 126%;"><iframe src="https://open.spotify.com/embed/${e[1]}" style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" allowtransparency="true" allow="encrypted-media"></iframe></div>`},{name:"youtube",url:[/^(?:m\.)?youtube\.com\/watch\?v=([\w-]+)/,/^(?:m\.)?youtube\.com\/v\/([\w-]+)/,/^youtube\.com\/embed\/([\w-]+)/,/^youtu\.be\/([\w-]+)/],html:e=>`<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;"><iframe src="https://www.youtube.com/embed/${e[1]}" style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe></div>`},{name:"vimeo",url:[/^vimeo\.com\/(\d+)/,/^vimeo\.com\/[^/]+\/[^/]+\/video\/(\d+)/,/^vimeo\.com\/album\/[^/]+\/video\/(\d+)/,/^vimeo\.com\/channels\/[^/]+\/(\d+)/,/^vimeo\.com\/groups\/[^/]+\/videos\/(\d+)/,/^vimeo\.com\/ondemand\/[^/]+\/(\d+)/,/^player\.vimeo\.com\/video\/(\d+)/],html:e=>`<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;"><iframe src="https://player.vimeo.com/video/${e[1]}" style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe></div>`},{name:"instagram",url:/^instagram\.com\/p\/(\w+)/},{name:"twitter",url:/^twitter\.com/},{name:"googleMaps",url:/^google\.com\/maps/},{name:"flickr",url:/^flickr\.com/},{name:"facebook",url:/^facebook\.com/}]}),this.registry=new tb(e.locale,e.config.get("mediaEmbed"))}init(){const e=this.editor,t=e.model.schema,n=e.t,i=e.conversion,o=e.config.get("mediaEmbed.previewsInData"),r=this.registry;e.commands.add("mediaEmbed",new eb(e)),t.register("media",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["url"]}),i.for("dataDowncast").elementToElement({model:"media",view:(e,t)=>{const n=e.getAttribute("url");return Jp(t,r,n,{renderMediaPreview:n&&o})}}),i.for("dataDowncast").add(Kp(r,{renderMediaPreview:o})),i.for("editingDowncast").elementToElement({model:"media",view:(e,t)=>{const i=e.getAttribute("url"),o=Jp(t,r,i,{renderForEditingView:!0});return s=o,a=t,c=n("media widget"),a.setCustomProperty("media",!0,s),Xd(s,a,{label:c});var s,a,c}}),i.for("editingDowncast").add(Kp(r,{renderForEditingView:!0})),i.for("upcast").elementToElement({view:{name:"oembed",attributes:{url:!0}},model:(e,t)=>{const n=e.getAttribute("url");if(r.hasMedia(n))return t.createElement("media",{url:n})}}).elementToElement({view:{name:"div",attributes:{"data-oembed-url":!0}},model:(e,t)=>{const n=e.getAttribute("data-oembed-url");if(r.hasMedia(n))return t.createElement("media",{url:n})}})}}const ob=/^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w.-]+)+[\w\-._~:/?#[\]@!$&'()*+,;=]+$/;class rb extends sd{static get requires(){return[Vu,Im]}static get pluginName(){return"AutoMediaEmbed"}constructor(e){super(e),this._timeoutId=null,this._positionToInsert=null}init(){const e=this.editor,t=e.model.document;this.listenTo(e.plugins.get(Vu),"inputTransformation",()=>{const e=t.selection.getFirstRange(),n=fc.fromPosition(e.start);n.stickiness="toPrevious";const 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t;this._timeoutId=null,e.remove(o),o.detach(),"$graveyard"!==this._positionToInsert.root.rootName&&(t=this._positionToInsert),Xp(n.model,s,t),this._positionToInsert.detach(),this._positionToInsert=null})},100)):o.detach()}}n(102);class sb extends kl{constructor(e,t){super(t);const n=t.t;this.focusTracker=new Hc,this.keystrokes=new Rc,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(n("Save"),Jg,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(n("Cancel"),Zg,"ck-button-cancel","cancel"),this._focusables=new Xc,this._focusCycler=new Ml({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this._validators=e,this.setTemplate({tag:"form",attributes:{class:["ck","ck-media-form"],tabindex:"-1"},children:[this.urlInputView,this.saveButtonView,this.cancelButtonView]})}render(){super.render(),Qg({view:this});[this.urlInputView,this.saveButtonView,this.cancelButtonView].forEach(e=>{this._focusables.add(e),this.focusTracker.add(e.element)}),this.keystrokes.listenTo(this.element);const e=e=>e.stopPropagation();this.keystrokes.set("arrowright",e),this.keystrokes.set("arrowleft",e),this.keystrokes.set("arrowup",e),this.keystrokes.set("arrowdown",e),this.listenTo(this.urlInputView.element,"selectstart",(e,t)=>{t.stopPropagation()},{priority:"high"})}focus(){this._focusCycler.focusFirst()}get url(){return this.urlInputView.fieldView.element.value.trim()}set url(e){this.urlInputView.fieldView.element.value=e.trim()}isValid(){this.resetFormStatus();for(const e of this._validators){const t=e(this);if(t)return this.urlInputView.errorText=t,!1}return!0}resetFormStatus(){this.urlInputView.errorText=null,this.urlInputView.infoText=this._urlInputViewInfoDefault}_createUrlInput(){const e=this.locale.t,t=new Gg(this.locale,Kg),n=t.fieldView;return this._urlInputViewInfoDefault=e("Paste the media URL in the input."),this._urlInputViewInfoTip=e("Tip: Paste the URL into the content to embed faster."),t.label=e("Media URL"),t.infoText=this._urlInputViewInfoDefault,n.placeholder="https://example.com",n.on("input",()=>{t.infoText=n.element.value?this._urlInputViewInfoTip:this._urlInputViewInfoDefault}),t}_createButton(e,t,n,i){const o=new Ul(this.locale);return o.set({label:e,icon:t,tooltip:!0}),o.extendTemplate({attributes:{class:n}}),i&&o.delegate("execute").to(this,i),o}}class ab extends sd{static get requires(){return[ib]}static get pluginName(){return"MediaEmbedUI"}init(){const e=this.editor,t=e.commands.get("mediaEmbed"),n=e.plugins.get(ib).registry;e.ui.componentFactory.add("mediaEmbed",i=>{const o=Jl(i),r=new sb(function(e,t){return[t=>{if(!t.url.length)return e("The URL must not be empty.")},n=>{if(!t.hasMedia(n.url))return e("This media URL is not supported.")}]}(e.t,n),e.locale);return this._setUpDropdown(o,r,t,e),this._setUpForm(o,r,t),o})}_setUpDropdown(e,t,n){const i=this.editor,o=i.t,r=e.buttonView;function s(){i.editing.view.focus(),e.isOpen=!1}e.bind("isEnabled").to(n),e.panelView.children.add(t),r.set({label:o("Insert media"),icon:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M18.68 3.03c.6 0 .59-.03.59.55v12.84c0 .59.01.56-.59.56H1.29c-.6 0-.59.03-.59-.56V3.58c0-.58-.01-.55.6-.55h17.38zM15.77 15V5H4.2v10h11.57zM2 4v1h1V4H2zm0 2v1h1V6H2zm0 2v1h1V8H2zm0 2v1h1v-1H2zm0 2v1h1v-1H2zm0 2v1h1v-1H2zM17 4v1h1V4h-1zm0 2v1h1V6h-1zm0 2v1h1V8h-1zm0 2v1h1v-1h-1zm0 2v1h1v-1h-1zm0 2v1h1v-1h-1zM7.5 7.177a.4.4 0 0 1 .593-.351l5.133 2.824a.4.4 0 0 1 0 .7l-5.133 2.824a.4.4 0 0 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pb=/<meta\s*name="?generator"?\s*content="?microsoft\s*word\s*\d+"?\/?>/i,bb=/xmlns:o="urn:schemas-microsoft-com/i;class wb{constructor(e){this.document=e}isActive(e){return pb.test(e)||bb.test(e)}execute(e){const{body:t,stylesString:n}=gb(e.dataTransfer.getData("text/html"),this.document.stylesProcessor);cb(t,n),fb(t,e.dataTransfer.getData("text/rtf")),e.content=t}}n(106);class kb extends kl{constructor(e,t={}){super(e);const n=this.bindTemplate;this.set("label",t.label||""),this.set("class",t.class||null),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-form__header",n.to("class")]},children:this.children});const i=new kl(e);i.setTemplate({tag:"span",attributes:{class:["ck","ck-form__header__label"]},children:[{text:n.to("label")}]}),this.children.add(i)}}class _b extends kb{constructor(e,t){super(e);const 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i=Array.from(e.getChildren()).filter(e=>"th"===e.name||"td"===e.name);for(;n<i.length&&"th"===i[n].name;){const e=i[n];t+=parseInt(e.getAttribute("colspan")||1),n++}return t}class Mb{constructor(e,t={}){this._table=e,this._startRow=void 0!==t.row?t.row:t.startRow||0,this._endRow=void 0!==t.row?t.row:t.endRow,this._startColumn=void 0!==t.column?t.column:t.startColumn||0,this._endColumn=void 0!==t.column?t.column:t.endColumn,this._includeAllSlots=!!t.includeAllSlots,this._skipRows=new Set,this._row=0,this._column=0,this._cellIndex=0,this._spannedCells=new Map,this._nextCellAtColumn=-1}[Symbol.iterator](){return this}next(){const e=this._table.getChild(this._row);if(!e||this._isOverEndRow())return{done:!0};if(this._isOverEndColumn())return this._advanceToNextRow();let t=null;const n=this._getSpanned();if(n)this._includeAllSlots&&!this._shouldSkipSlot()&&(t=this._formatOutValue(n.cell,n.row,n.column));else{const n=e.getChild(this._cellIndex);if(!n)return this._advanceToNextRow();const 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i={cell:e,row:this._row,column:this._column};for(let e=this._row;e<this._row+t;e++)for(let t=this._column;t<this._column+n;t++)e==this._row&&t==this._column||this._markSpannedCell(e,t,i)}_markSpannedCell(e,t,n){this._spannedCells.has(e)||this._spannedCells.set(e,new Map);this._spannedCells.get(e).set(t,n)}}class Ib{constructor(e,t,n,i){this.cell=t,this.row=e._row,this.column=e._column,this.cellAnchorRow=n,this.cellAnchorColumn=i,this._cellIndex=e._cellIndex,this._table=e._table}get isAnchor(){return this.row===this.cellAnchorRow&&this.column===this.cellAnchorColumn}get cellWidth(){return parseInt(this.cell.getAttribute("colspan")||1)}get cellHeight(){return parseInt(this.cell.getAttribute("rowspan")||1)}getPositionBefore(){return this._table.root.document.model.createPositionAt(this._table.getChild(this.row),this._cellIndex)}}function Nb(e={}){return t=>t.on("insert:table",(t,n,i)=>{const o=n.item;if(!i.consumable.consume(o,"insert"))return;i.consumable.consume(o,"attribute:headingRows:table"),i.consumable.consume(o,"attribute:headingColumns:table");const r=e&&e.asWidget,s=i.writer.createContainerElement("figure",{class:"table"}),a=i.writer.createContainerElement("table");let c;var l,d;i.writer.insert(i.writer.createPositionAt(s,0),a),r&&(l=s,(d=i.writer).setCustomProperty("table",!0,l),c=Xd(l,d,{hasSelectionHandle:!0}));const u=new Mb(o),h={headingRows:o.getAttribute("headingRows")||0,headingColumns:o.getAttribute("headingColumns")||0},m=new Map;for(const t of u){const{row:n,cell:r}=t,s=o.getChild(n),c=m.get(n)||zb(a,s,n,h,i);m.set(n,c),i.consumable.consume(r,"insert");Ob(t,h,i.writer.createPositionAt(c,"end"),i,e)}for(const e of o.getChildren()){const t=e.index;m.has(t)||m.set(t,zb(a,e,t,h,i))}const g=i.mapper.toViewPosition(n.range.start);i.mapper.bindElements(o,r?c:s),i.writer.insert(g,r?c:s)})}function Rb(e,t,n){const{cell:i}=e,o=Db(e,t),r=n.mapper.toViewElement(i);r&&r.name!==o&&function(e,t,n){const i=n.writer,o=n.mapper.toViewElement(e),r=nu(i.createEditableElement(t,o.getAttributes()),i);eu(r,i,(e,t,n)=>n.addClass(jb(t.classes),e),(e,t,n)=>n.removeClass(jb(t.classes),e)),i.insert(i.createPositionAfter(o),r),i.move(i.createRangeIn(o),i.createPositionAt(r,0)),i.remove(i.createRangeOn(o)),n.mapper.unbindViewElement(o),n.mapper.bindElements(e,r)}(i,o,n)}function Ob(e,t,n,i,o){const r=o&&o.asWidget,s=Db(e,t),a=r?nu(i.writer.createEditableElement(s),i.writer):i.writer.createContainerElement(s);r&&eu(a,i.writer,(e,t,n)=>n.addClass(jb(t.classes),e),(e,t,n)=>n.removeClass(jb(t.classes),e));const c=e.cell,l=c.getChild(0),d=1===c.childCount&&"paragraph"===l.name;if(i.writer.insert(n,a),d&&![...l.getAttributeKeys()].length){const e=c.getChild(0),t=i.writer.createPositionAt(a,"end");if(i.consumable.consume(e,"insert"),r){const n=i.writer.createContainerElement("span",{style:"display:inline-block"});i.mapper.bindElements(e,n),i.writer.insert(t,n),i.mapper.bindElements(c,a)}else i.mapper.bindElements(c,a),i.mapper.bindElements(e,a)}else i.mapper.bindElements(c,a)}function zb(e,t,n,i,o){o.consumable.consume(t,"insert");const r=t.isEmpty?o.writer.createEmptyElement("tr"):o.writer.createContainerElement("tr");o.mapper.bindElements(t,r);const s=i.headingRows,a=function(e,t,n){const i=Lb(e,t);return i||function(e,t,n){const i=n.writer.createContainerElement(e),o=n.writer.createPositionAt(t,"tbody"==e?"end":0);return n.writer.insert(o,i),i}(e,t,n)}(function(e,t){return e<t.headingRows?"thead":"tbody"}(n,i),e,o),c=s>0&&n>=s?n-s:n,l=o.writer.createPositionAt(a,c);return o.writer.insert(l,r),r}function Db(e,t){const{row:n,column:i}=e,{headingColumns:o,headingRows:r}=t;if(r&&r>n)return"th";return o&&o>i?"th":"td"}function Lb(e,t){for(const n of t.getChildren())if(n.name==e)return n}function Vb(e,t,n){const i=Lb(e,t);i&&0===i.childCount&&n.writer.remove(n.writer.createRangeOn(i))}function jb(e){return Array.isArray(e)?e:[e]}class Bb extends cd{refresh(){const e=this.editor.model,t=e.document.selection,n=e.schema,i=function(e){const t=e.parent;return t===t.root?t:t.parent}(t.getFirstPosition());this.isEnabled=n.checkChild(i,"table")}execute(e={}){const t=this.editor.model,n=t.document.selection,i=this.editor.plugins.get("TableUtils"),o=iu(n,t);t.change(n=>{const r=i.createTable(n,e);t.insertContent(r,o),n.setSelection(n.createPositionAt(r.getNodeByPath([0,0,0]),0))})}}function Fb(e){const t=[];for(const n of Gb(e.getRanges())){const e=n.getContainedElement();e&&e.is("element","tableCell")&&t.push(e)}return t}function Hb(e){const t=[];for(const n of e.getRanges()){const e=n.start.findAncestor("tableCell");e&&t.push(e)}return t}function Ub(e){const t=Fb(e);return t.length?t:Hb(e)}function Wb(e){return Yb(e.map(e=>e.parent.index))}function qb(e){const t=e[0].findAncestor("table");return 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e=Ub(this.editor.model.document.selection);this.isEnabled=1===e.length}execute(){const e=Ub(this.editor.model.document.selection)[0],t="horizontally"===this.direction,n=this.editor.plugins.get("TableUtils");t?n.splitCellHorizontally(e,2):n.splitCellVertically(e,2)}}function ew(e,t,n){const{startRow:i,startColumn:o,endRow:r,endColumn:s}=t,a=n.createElement("table"),c=r-i+1;for(let e=0;e<c;e++)n.insertElement("tableRow",a,"end");const l=[...new Mb(e,{startRow:i,endRow:r,startColumn:o,endColumn:s,includeAllSlots:!0})];for(const{row:e,column:t,cell:c,isAnchor:d,cellAnchorRow:u,cellAnchorColumn:h}of l){const l=e-i,m=a.getChild(l);if(d){const i=n.cloneElement(c);n.append(i,m),rw(i,e,t,r,s,n)}else(u<i||h<o)&&Cb(n,n.createPositionAt(m,"end"))}return function(e,t,n,i,o){const r=parseInt(t.getAttribute("headingRows")||0);if(r>0){Ab("headingRows",r-n,e,o,0)}const s=parseInt(t.getAttribute("headingColumns")||0);if(s>0){Ab("headingColumns",s-i,e,o,0)}}(a,e,i,o,n),a}function tw(e,t,n=0){const i=[],o=new Mb(e,{startRow:n,endRow:t-1});for(const e of o){const{row:n,cellHeight:o}=e,r=n+o-1;n<t&&t<=r&&i.push(e)}return i}function nw(e,t,n){const i=e.parent,o=i.parent,r=i.index,s=t-r,a={},c=parseInt(e.getAttribute("rowspan"))-s;c>1&&(a.rowspan=c);const l=parseInt(e.getAttribute("colspan")||1);l>1&&(a.colspan=l);const d=r+s,u=[...new Mb(o,{startRow:r,endRow:d,includeAllSlots:!0})];let h,m=null;for(const t of u){const{row:i,column:o,cell:r}=t;r===e&&void 0===h&&(h=o),void 0!==h&&h===o&&i===d&&(m=Cb(n,t.getPositionBefore(),a))}return Ab("rowspan",s,e,n),m}function iw(e,t){const n=[],i=new Mb(e);for(const e of i){const{column:i,cellWidth:o}=e,r=i+o-1;i<t&&t<=r&&n.push(e)}return n}function ow(e,t,n,i){const o=n-t,r={},s=parseInt(e.getAttribute("colspan"))-o;s>1&&(r.colspan=s);const a=parseInt(e.getAttribute("rowspan")||1);a>1&&(r.rowspan=a);const c=Cb(i,i.createPositionAfter(e),r);return Ab("colspan",o,e,i),c}function rw(e,t,n,i,o,r){const s=parseInt(e.getAttribute("colspan")||1),a=parseInt(e.getAttribute("rowspan")||1);if(n+s-1>o){Ab("colspan",o-n+1,e,r,1)}if(t+a-1>i){Ab("rowspan",i-t+1,e,r,1)}}function sw(e,t){const n=t.getColumns(e),i=new Array(n).fill(0);for(const{column:t}of new Mb(e))i[t]++;const o=i.reduce((e,t,n)=>t?e:[...e,n],[]);if(o.length>0){const n=o[o.length-1];return t.removeColumns(e,{at:n}),!0}return!1}function aw(e,t){const n=[];for(let t=0;t<e.childCount;t++){e.getChild(t).isEmpty&&n.push(t)}if(n.length>0){const i=n[n.length-1];return t.removeRows(e,{at:i}),!0}return!1}function cw(e,t){sw(e,t)||aw(e,t)}function lw(e,t){const n=Array.from(new Mb(e,{startColumn:t.firstColumn,endColumn:t.lastColumn,row:t.lastRow}));if(n.every(({cellHeight:e})=>1===e))return t.lastRow;const i=n[0].cellHeight-1;return t.lastRow+i}function dw(e,t){const n=Array.from(new Mb(e,{startRow:t.firstRow,endRow:t.lastRow,column:t.lastColumn}));if(n.every(({cellWidth:e})=>1===e))return t.lastColumn;const i=n[0].cellWidth-1;return t.lastColumn+i}class uw extends cd{constructor(e,t){super(e),this.direction=t.direction,this.isHorizontal="right"==this.direction||"left"==this.direction}refresh(){const e=this._getMergeableCell();this.value=e,this.isEnabled=!!e}execute(){const e=this.editor.model,t=Hb(e.document.selection)[0],n=this.value,i=this.direction;e.change(e=>{const o="right"==i||"down"==i,r=o?t:n,s=o?n:t,a=s.parent;!function(e,t,n){hw(e)||(hw(t)&&n.remove(n.createRangeIn(t)),n.move(n.createRangeIn(e),n.createPositionAt(t,"end")));n.remove(e)}(s,r,e);const c=this.isHorizontal?"colspan":"rowspan",l=parseInt(t.getAttribute(c)||1),d=parseInt(n.getAttribute(c)||1);e.setAttribute(c,l+d,r),e.setSelection(e.createRangeIn(r));const u=this.editor.plugins.get("TableUtils");cw(a.findAncestor("table"),u)})}_getMergeableCell(){const e=Hb(this.editor.model.document.selection)[0];if(!e)return;const t=this.editor.plugins.get("TableUtils"),n=this.isHorizontal?function(e,t,n){const i=e.parent.parent,o="right"==t?e.nextSibling:e.previousSibling,r=(i.getAttribute("headingColumns")||0)>0;if(!o)return;const s="right"==t?e:o,a="right"==t?o:e,{column:c}=n.getCellLocation(s),{column:l}=n.getCellLocation(a),d=parseInt(s.getAttribute("colspan")||1),u=Tb(n,s),h=Tb(n,a);if(r&&u!=h)return;return c+d===l?o:void 0}(e,this.direction,t):function(e,t){const n=e.parent,i=n.parent,o=i.getChildIndex(n);if("down"==t&&o===i.childCount-1||"up"==t&&0===o)return;const r=parseInt(e.getAttribute("rowspan")||1),s=i.getAttribute("headingRows")||0,a="down"==t&&o+r===s,c="up"==t&&o===s;if(s&&(a||c))return;const l=parseInt(e.getAttribute("rowspan")||1),d="down"==t?o+l:o,u=[...new Mb(i,{endRow:d})],h=u.find(t=>t.cell===e).column,m=u.find(({row:e,cellHeight:n,column:i})=>i===h&&("down"==t?e===d:d===e+n));return m&&m.cell}(e,this.direction);if(!n)return;const i=this.isHorizontal?"rowspan":"colspan",o=parseInt(e.getAttribute(i)||1);return parseInt(n.getAttribute(i)||1)===o?n:void 0}}function hw(e){return 1==e.childCount&&e.getChild(0).is("element","paragraph")&&e.getChild(0).isEmpty}class mw extends cd{refresh(){const e=Ub(this.editor.model.document.selection),t=e[0];if(t){const n=t.findAncestor("table"),i=this.editor.plugins.get("TableUtils").getRows(n)-1,o=Wb(e),r=0===o.first&&o.last===i;this.isEnabled=!r}else this.isEnabled=!1}execute(){const e=this.editor.model,t=Ub(e.document.selection),n=Wb(t),i=t[0],o=i.findAncestor("table"),r=this.editor.plugins.get("TableUtils").getCellLocation(i).column;e.change(e=>{const t=n.last-n.first+1;this.editor.plugins.get("TableUtils").removeRows(o,{at:n.first,rows:t});const i=function(e,t,n){const i=e.getChild(t)||e.getChild(e.childCount-1);let o=i.getChild(0),r=0;for(const e of i.getChildren()){if(r>n)return o;o=e,r+=parseInt(e.getAttribute("colspan")||1)}return o}(o,n.first,r);e.setSelection(e.createPositionAt(i,0))})}}class gw extends cd{refresh(){const e=Ub(this.editor.model.document.selection),t=e[0];if(t){const n=t.findAncestor("table"),i=this.editor.plugins.get("TableUtils").getColumns(n),{first:o,last:r}=qb(e);this.isEnabled=r-o<i-1}else this.isEnabled=!1}execute(){const[e,t]=function(e){const t=Ub(e),n=t[0],i=t.pop(),o=[n,i];return n.isBefore(i)?o:o.reverse()}(this.editor.model.document.selection),n=e.parent.parent,i=[...new Mb(n)],o={first:i.find(t=>t.cell===e).column,last:i.find(e=>e.cell===t).column},r=function(e,t,n,i){return parseInt(n.getAttribute("colspan")||1)>1?n:t.previousSibling||n.nextSibling?n.nextSibling||t.previousSibling:i.first?e.reverse().find(({column:e})=>e<i.first).cell:e.reverse().find(({column:e})=>e>i.last).cell}(i,e,t,o);this.editor.model.change(e=>{const t=o.last-o.first+1;this.editor.plugins.get("TableUtils").removeColumns(n,{at:o.first,columns:t}),e.setSelection(e.createPositionAt(r,0))})}}class fw extends cd{refresh(){const e=Ub(this.editor.model.document.selection),t=e.length>0;this.isEnabled=t,this.value=t&&e.every(e=>this._isInHeading(e,e.parent.parent))}execute(e={}){if(e.forceValue===this.value)return;const t=this.editor.model,n=Ub(t.document.selection),i=n[0].findAncestor("table"),{first:o,last:r}=Wb(n),s=this.value?o:r+1,a=i.getAttribute("headingRows")||0;t.change(e=>{if(s){const t=tw(i,s,s>a?a:0);for(const{cell:n}of t)nw(n,s,e)}Ab("headingRows",s,i,e,0)})}_isInHeading(e,t){const n=parseInt(t.getAttribute("headingRows")||0);return!!n&&e.parent.index<n}}class pw extends cd{refresh(){const e=Ub(this.editor.model.document.selection),t=this.editor.plugins.get("TableUtils"),n=e.length>0;this.isEnabled=n,this.value=n&&e.every(e=>Tb(t,e))}execute(e={}){if(e.forceValue===this.value)return;const t=this.editor.model,n=Ub(t.document.selection),i=n[0].findAncestor("table"),{first:o,last:r}=qb(n),s=this.value?o:r+1;t.change(e=>{if(s){const t=iw(i,s);for(const{cell:n,column:i}of t)ow(n,i,s,e)}Ab("headingColumns",s,i,e,0)})}}class bw extends sd{static get pluginName(){return"TableUtils"}getCellLocation(e){const t=e.parent,n=t.parent,i=n.getChildIndex(t),o=new Mb(n,{row:i});for(const{cell:t,row:n,column:i}of o)if(t===e)return{row:n,column:i}}createTable(e,t){const n=e.createElement("table");return ww(e,n,0,parseInt(t.rows)||2,parseInt(t.columns)||2),t.headingRows&&Ab("headingRows",t.headingRows,n,e,0),t.headingColumns&&Ab("headingColumns",t.headingColumns,n,e,0),n}insertRows(e,t={}){const n=this.editor.model,i=t.at||0,o=t.rows||1,r=void 0!==t.copyStructureFromAbove,s=t.copyStructureFromAbove?i-1:i,a=this.getRows(e),c=this.getColumns(e);n.change(t=>{const n=e.getAttribute("headingRows")||0;if(n>i&&Ab("headingRows",n+o,e,t,0),!r&&(0===i||i===a))return void ww(t,e,i,o,c);const l=r?Math.max(i,s):i,d=new Mb(e,{endRow:l}),u=new Array(c).fill(1);for(const{row:e,column:n,cellHeight:a,cellWidth:c,cell:l}of d){const d=e+a-1,h=e<=s&&s<=d;e<i&&i<=d?(t.setAttribute("rowspan",a+o,l),u[n]=-c):r&&h&&(u[n]=c)}for(let n=0;n<o;n++){const n=t.createElement("tableRow");t.insert(n,e,i);for(let e=0;e<u.length;e++){const i=u[e],o=t.createPositionAt(n,"end");i>0&&Cb(t,o,i>1?{colspan:i}:null),e+=Math.abs(i)-1}}})}insertColumns(e,t={}){const n=this.editor.model,i=t.at||0,o=t.columns||1;n.change(t=>{const n=e.getAttribute("headingColumns");i<n&&t.setAttribute("headingColumns",n+o,e);const r=this.getColumns(e);if(0===i||r===i){for(const n of e.getChildren())kw(o,t,t.createPositionAt(n,i?"end":0));return}const s=new Mb(e,{column:i,includeAllSlots:!0});for(const e of s){const{row:n,cell:r,cellAnchorColumn:a,cellAnchorRow:c,cellWidth:l,cellHeight:d}=e;if(a<i){t.setAttribute("colspan",l+o,r);const e=c+d-1;for(let t=n;t<=e;t++)s.skipRow(t)}else kw(o,t,e.getPositionBefore())}})}removeRows(e,t){const n=this.editor.model,i=t.rows||1,o=t.at,r=o+i-1;n.change(t=>{const{cellsToMove:n,cellsToTrim:i}=function(e,t,n){const i=new Map,o=[];for(const{row:r,column:s,cellHeight:a,cell:c}of new Mb(e,{endRow:n})){const e=r+a-1;if(r>=t&&r<=n&&e>n){const e=a-(n-r+1);i.set(s,{cell:c,rowspan:e})}if(r<t&&e>=t){let i;i=e>=n?n-t+1:e-t+1,o.push({cell:c,rowspan:a-i})}}return{cellsToMove:i,cellsToTrim:o}}(e,o,r);if(n.size){!function(e,t,n,i){const o=[...new Mb(e,{includeAllSlots:!0,row:t})],r=e.getChild(t);let s;for(const{column:e,cell:t,isAnchor:a}of o)if(n.has(e)){const{cell:t,rowspan:o}=n.get(e),a=s?i.createPositionAfter(s):i.createPositionAt(r,0);i.move(i.createRangeOn(t),a),Ab("rowspan",o,t,i),s=t}else a&&(s=t)}(e,r+1,n,t)}for(let n=r;n>=o;n--)t.remove(e.getChild(n));for(const{rowspan:e,cell:n}of i)Ab("rowspan",e,n,t);!function(e,t,n,i){const o=e.getAttribute("headingRows")||0;if(t<o){Ab("headingRows",n<o?o-(n-t+1):t,e,i,0)}}(e,o,r,t),sw(e,this)||aw(e,this)})}removeColumns(e,t){const n=this.editor.model,i=t.at,o=t.columns||1,r=t.at+o-1;n.change(t=>{!function(e,t,n){const i=e.getAttribute("headingColumns")||0;if(i&&t.first<i){const o=Math.min(i-1,t.last)-t.first+1;n.setAttribute("headingColumns",i-o,e)}}(e,{first:i,last:r},t);for(let n=r;n>=i;n--)for(const{cell:i,column:o,cellWidth:r}of[...new Mb(e)])o<=n&&r>1&&o+r>n?Ab("colspan",r-1,i,t):o===n&&t.remove(i);aw(e,this)||sw(e,this)})}splitCellVertically(e,t=2){const n=this.editor.model,i=e.parent.parent,o=parseInt(e.getAttribute("rowspan")||1),r=parseInt(e.getAttribute("colspan")||1);n.change(n=>{if(r>1){const{newCellsSpan:i,updatedSpan:s}=_w(r,t);Ab("colspan",s,e,n);const a={};i>1&&(a.colspan=i),o>1&&(a.rowspan=o);kw(r>t?t-1:r-1,n,n.createPositionAfter(e),a)}if(r<t){const s=t-r,a=[...new Mb(i)],{column:c}=a.find(({cell:t})=>t===e),l=a.filter(({cell:t,cellWidth:n,column:i})=>t!==e&&i===c||i<c&&i+n>c);for(const{cell:e,cellWidth:t}of l)n.setAttribute("colspan",t+s,e);const d={};o>1&&(d.rowspan=o),kw(s,n,n.createPositionAfter(e),d);const u=i.getAttribute("headingColumns")||0;u>c&&Ab("headingColumns",u+s,i,n)}})}splitCellHorizontally(e,t=2){const n=this.editor.model,i=e.parent,o=i.parent,r=o.getChildIndex(i),s=parseInt(e.getAttribute("rowspan")||1),a=parseInt(e.getAttribute("colspan")||1);n.change(n=>{if(s>1){const i=[...new Mb(o,{startRow:r,endRow:r+s-1,includeAllSlots:!0})],{newCellsSpan:c,updatedSpan:l}=_w(s,t);Ab("rowspan",l,e,n);const{column:d}=i.find(({cell:t})=>t===e),u={};c>1&&(u.rowspan=c),a>1&&(u.colspan=a);for(const e of i){const{column:t,row:i}=e,o=t===d,s=(i+r+l)%c==0;i>=r+l&&o&&s&&kw(1,n,e.getPositionBefore(),u)}}if(s<t){const i=t-s,c=[...new Mb(o,{startRow:0,endRow:r})];for(const{cell:t,cellHeight:o,row:s}of c)if(t!==e&&s+o>r){const e=o+i;n.setAttribute("rowspan",e,t)}const l={};a>1&&(l.colspan=a),ww(n,o,r+1,i,1,l);const d=o.getAttribute("headingRows")||0;d>r&&Ab("headingRows",d+i,o,n)}})}getColumns(e){return[...e.getChild(0).getChildren()].reduce((e,t)=>e+parseInt(t.getAttribute("colspan")||1),0)}getRows(e){return e.childCount}}function ww(e,t,n,i,o,r={}){for(let s=0;s<i;s++){const i=e.createElement("tableRow");e.insert(i,t,n),kw(o,e,e.createPositionAt(i,"end"),r)}}function kw(e,t,n,i={}){for(let o=0;o<e;o++)Cb(t,n,i)}function _w(e,t){if(e<t)return{newCellsSpan:1,updatedSpan:1};const n=Math.floor(e/t);return{newCellsSpan:n,updatedSpan:e-n*t+n}}class vw extends cd{refresh(){const e=Fb(this.editor.model.document.selection);this.isEnabled=$b(e,this.editor.plugins.get(bw))}execute(){const e=this.editor.model,t=this.editor.plugins.get(bw);e.change(n=>{const i=Fb(e.document.selection),o=i.shift(),{mergeWidth:r,mergeHeight:s}=function(e,t,n){let i=0,o=0;for(const e of t){const{row:t,column:r}=n.getCellLocation(e);i=Aw(e,r,i,"colspan"),o=Aw(e,t,o,"rowspan")}const{row:r,column:s}=n.getCellLocation(e);return{mergeWidth:i-s,mergeHeight:o-r}}(o,i,t);Ab("colspan",r,o,n),Ab("rowspan",s,o,n);for(const e of i)yw(e,o,n);cw(o.findAncestor("table"),t),n.setSelection(o,"in")})}}function yw(e,t,n){xw(e)||(xw(t)&&n.remove(n.createRangeIn(t)),n.move(n.createRangeIn(e),n.createPositionAt(t,"end"))),n.remove(e)}function xw(e){return 1==e.childCount&&e.getChild(0).is("element","paragraph")&&e.getChild(0).isEmpty}function Aw(e,t,n,i){const o=parseInt(e.getAttribute(i)||1);return Math.max(n,t+o)}class Cw extends cd{refresh(){const e=Ub(this.editor.model.document.selection);this.isEnabled=e.length>0}execute(){const e=this.editor.model,t=Ub(e.document.selection),n=Wb(t),i=t[0].findAncestor("table"),o=[];for(let t=n.first;t<=n.last;t++)for(const n of i.getChild(t).getChildren())o.push(e.createRangeOn(n));e.change(e=>{e.setSelection(o)})}}class Tw extends cd{refresh(){const e=Ub(this.editor.model.document.selection);this.isEnabled=e.length>0}execute(){const e=this.editor.model,t=Ub(e.document.selection),n=t[0],i=t.pop(),o=n.findAncestor("table"),r=this.editor.plugins.get("TableUtils"),s=r.getCellLocation(n),a=r.getCellLocation(i),c=Math.min(s.column,a.column),l=Math.max(s.column,a.column),d=[];for(const t of new Mb(o,{startColumn:c,endColumn:l}))d.push(e.createRangeOn(t.cell));e.change(e=>{e.setSelection(d)})}}function Sw(e){e.document.registerPostFixer(t=>function(e,t){const n=t.document.differ.getChanges();let i=!1;const o=new Set;for(const t of n){let n;"table"==t.name&&"insert"==t.type&&(n=t.position.nodeAfter),"tableRow"!=t.name&&"tableCell"!=t.name||(n=t.position.findAncestor("table")),Mw(t)&&(n=t.range.start.findAncestor("table")),n&&!o.has(n)&&(i=Pw(n,e)||i,i=Ew(n,e)||i,o.add(n))}return i}(t,e))}function Pw(e,t){let n=!1;const i=function(e){const t=parseInt(e.getAttribute("headingRows")||0),n=e.childCount,i=[];for(const{row:o,cell:r,cellHeight:s}of new Mb(e)){if(s<2)continue;const e=o<t?t:n;if(o+s>e){const t=e-o;i.push({cell:r,rowspan:t})}}return i}(e);if(i.length){n=!0;for(const e of i)Ab("rowspan",e.rowspan,e.cell,t,1)}return n}function Ew(e,t){let n=!1;const i=function(e){const t=new Array(e.childCount).fill(0);for(const{row:n}of new Mb(e,{includeAllSlots:!0}))t[n]++;return t}(e),o=[];for(const[e,t]of i.entries())t||o.push(e);if(o.length){n=!0;for(const n of o.reverse())t.remove(e.getChild(n)),i.splice(n,1)}const r=i[0];if(!i.every(e=>e===r)){const o=i.reduce((e,t)=>t>e?t:e,0);for(const[r,s]of i.entries()){const i=o-s;if(i){for(let n=0;n<i;n++)Cb(t,t.createPositionAt(e.getChild(r),"end"));n=!0}}}return n}function Mw(e){const t="attribute"===e.type,n=e.attributeKey;return t&&("headingRows"===n||"colspan"===n||"rowspan"===n)}function Iw(e){e.document.registerPostFixer(t=>function(e,t){const n=t.document.differ.getChanges();let i=!1;for(const t of n)"insert"==t.type&&"table"==t.name&&(i=Nw(t.position.nodeAfter,e)||i),"insert"==t.type&&"tableRow"==t.name&&(i=Rw(t.position.nodeAfter,e)||i),"insert"==t.type&&"tableCell"==t.name&&(i=Ow(t.position.nodeAfter,e)||i),zw(t)&&(i=Ow(t.position.parent,e)||i);return i}(t,e))}function Nw(e,t){let n=!1;for(const i of e.getChildren())n=Rw(i,t)||n;return n}function Rw(e,t){let n=!1;for(const i of e.getChildren())n=Ow(i,t)||n;return n}function Ow(e,t){if(0==e.childCount)return t.insertElement("paragraph",e),!0;const n=Array.from(e.getChildren()).filter(e=>e.is("$text"));for(const e of n)t.wrap(t.createRangeOn(e),"paragraph");return!!n.length}function zw(e){return!(!e.position||!e.position.parent.is("element","tableCell"))&&("insert"==e.type&&"$text"==e.name||"remove"==e.type)}function Dw(e){e.document.registerPostFixer(()=>function(e){const t=e.document.differ,n=new Set;let i=0;for(const e of t.getChanges()){const t="insert"==e.type||"remove"==e.type?e.position.parent:e.range.start.parent;t.is("element","tableCell")&&("insert"==e.type&&i++,Lw(t,e.type,i)&&n.add(t))}if(n.size){for(const e of n.values())t.refreshItem(e);return!0}return!1}(e))}function Lw(e,t,n){if(!Array.from(e.getChildren()).some(e=>e.is("element","paragraph")))return!1;if("attribute"==t){const t=Array.from(e.getChild(0).getAttributeKeys()).length;return 1===e.childCount&&t<2}return e.childCount<=("insert"==t?n+1:1)}function Vw(e){e.document.registerPostFixer(()=>function(e){const t=e.document.differ,n=new Set;for(const e of t.getChanges()){if("attribute"!=e.type)continue;const t=e.range.start.nodeAfter;t&&t.is("element","table")&&"headingRows"==e.attributeKey&&n.add(t)}if(n.size){for(const e of n.values())t.refreshItem(e);return!0}return!1}(e))}n(114);class jw extends sd{static get pluginName(){return"TableEditing"}init(){const e=this.editor,t=e.model,n=t.schema,i=e.conversion;n.register("table",{allowWhere:"$block",allowAttributes:["headingRows","headingColumns"],isLimit:!0,isObject:!0,isBlock:!0}),n.register("tableRow",{allowIn:"table",isLimit:!0}),n.register("tableCell",{allowIn:"tableRow",allowAttributes:["colspan","rowspan"],isObject:!0}),n.extend("$block",{allowIn:"tableCell"}),n.addChildCheck((e,t)=>{if("table"==t.name&&Array.from(e.getNames()).includes("table"))return!1}),i.for("upcast").add(Sb()),i.for("editingDowncast").add(Nb({asWidget:!0})),i.for("dataDowncast").add(Nb()),i.for("upcast").elementToElement({model:"tableRow",view:"tr"}),i.for("upcast").add(e=>{e.on("element:tr",(e,t)=>{t.viewItem.isEmpty&&0==t.modelCursor.index&&e.stop()},{priority:"high"})}),i.for("editingDowncast").add(e=>e.on("insert:tableRow",(e,t,n)=>{const i=t.item;if(!n.consumable.consume(i,"insert"))return;const o=i.parent,r=function(e){for(const t of e.getChildren())if("table"===t.name)return t}(n.mapper.toViewElement(o)),s=o.getChildIndex(i),a=new Mb(o,{row:s}),c={headingRows:o.getAttribute("headingRows")||0,headingColumns:o.getAttribute("headingColumns")||0},l=new Map;for(const e of a){const t=l.get(s)||zb(r,i,s,c,n);l.set(s,t),n.consumable.consume(e.cell,"insert"),Ob(e,c,n.writer.createPositionAt(t,"end"),n,{asWidget:!0})}})),i.for("editingDowncast").add(e=>e.on("remove:tableRow",(e,t,n)=>{e.stop();const i=n.writer,o=n.mapper,r=o.toViewPosition(t.position).getLastMatchingPosition(e=>!e.item.is("element","tr")).nodeAfter,s=r.parent.parent,a=i.createRangeOn(r),c=i.remove(a);for(const e of i.createRangeIn(c).getItems())o.unbindViewElement(e);Vb("thead",s,n),Vb("tbody",s,n)},{priority:"higher"})),i.for("upcast").add(Pb("td")),i.for("upcast").add(Pb("th")),i.for("editingDowncast").add(e=>e.on("insert:tableCell",(e,t,n)=>{const i=t.item;if(!n.consumable.consume(i,"insert"))return;const o=i.parent,r=o.parent,s=r.getChildIndex(o),a=new Mb(r,{row:s}),c={headingRows:r.getAttribute("headingRows")||0,headingColumns:r.getAttribute("headingColumns")||0};for(const e of a)if(e.cell===i){const t=n.mapper.toViewElement(o);return void Ob(e,c,n.writer.createPositionAt(t,o.getChildIndex(i)),n,{asWidget:!0})}})),i.attributeToAttribute({model:"colspan",view:"colspan"}),i.attributeToAttribute({model:"rowspan",view:"rowspan"}),i.for("editingDowncast").add(e=>e.on("attribute:headingColumns:table",(e,t,n)=>{const i=t.item;if(!n.consumable.consume(t.item,e.name))return;const o={headingRows:i.getAttribute("headingRows")||0,headingColumns:i.getAttribute("headingColumns")||0},r=t.attributeOldValue,s=t.attributeNewValue,a=(r>s?r:s)-1;for(const e of new Mb(i,{endColumn:a}))Rb(e,o,n)})),e.commands.add("insertTable",new Bb(e)),e.commands.add("insertTableRowAbove",new Jb(e,{order:"above"})),e.commands.add("insertTableRowBelow",new Jb(e,{order:"below"})),e.commands.add("insertTableColumnLeft",new Zb(e,{order:"left"})),e.commands.add("insertTableColumnRight",new Zb(e,{order:"right"})),e.commands.add("removeTableRow",new mw(e)),e.commands.add("removeTableColumn",new gw(e)),e.commands.add("splitTableCellVertically",new Xb(e,{direction:"vertically"})),e.commands.add("splitTableCellHorizontally",new Xb(e,{direction:"horizontally"})),e.commands.add("mergeTableCells",new vw(e)),e.commands.add("mergeTableCellRight",new uw(e,{direction:"right"})),e.commands.add("mergeTableCellLeft",new uw(e,{direction:"left"})),e.commands.add("mergeTableCellDown",new uw(e,{direction:"down"})),e.commands.add("mergeTableCellUp",new uw(e,{direction:"up"})),e.commands.add("setTableColumnHeader",new pw(e)),e.commands.add("setTableRowHeader",new fw(e)),e.commands.add("selectTableRow",new Cw(e)),e.commands.add("selectTableColumn",new Tw(e)),Vw(t),Sw(t),Dw(t),Iw(t)}static get requires(){return[bw]}}n(116);class Bw extends kl{constructor(e){super(e);const t=this.bindTemplate;this.items=this._createGridCollection(),this.set("rows",0),this.set("columns",0),this.bind("label").to(this,"columns",this,"rows",(e,t)=>`${t} × ${e}`),this.setTemplate({tag:"div",attributes:{class:["ck"]},children:[{tag:"div",attributes:{class:["ck-insert-table-dropdown__grid"]},on:{"mouseover@.ck-insert-table-dropdown-grid-box":t.to("boxover")},children:this.items},{tag:"div",attributes:{class:["ck-insert-table-dropdown__label"]},children:[{text:t.to("label")}]}],on:{mousedown:t.to(e=>{e.preventDefault()}),click:t.to(()=>{this.fire("execute")})}}),this.on("boxover",(e,t)=>{const{row:n,column:i}=t.target.dataset;this.set({rows:parseInt(n),columns:parseInt(i)})}),this.on("change:columns",()=>{this._highlightGridBoxes()}),this.on("change:rows",()=>{this._highlightGridBoxes()})}focus(){}focusLast(){}_highlightGridBoxes(){const e=this.rows,t=this.columns;this.items.map((n,i)=>{const o=Math.floor(i/10)<e&&i%10<t;n.set("isOn",o)})}_createGridCollection(){const e=[];for(let t=0;t<100;t++){const n=Math.floor(t/10),i=t%10;e.push(new Fw(this.locale,n+1,i+1))}return this.createCollection(e)}}class Fw extends kl{constructor(e,t,n){super(e);const i=this.bindTemplate;this.set("isOn",!1),this.setTemplate({tag:"div",attributes:{class:["ck-insert-table-dropdown-grid-box",i.if("isOn","ck-on")],"data-row":t,"data-column":n}})}}class Hw extends sd{init(){const e=this.editor,t=this.editor.t,n="ltr"===e.locale.contentLanguageDirection;e.ui.componentFactory.add("insertTable",n=>{const i=e.commands.get("insertTable"),o=Jl(n);let r;return o.bind("isEnabled").to(i),o.buttonView.set({icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 6v3h4V6H3zm0 4v3h4v-3H3zm0 4v3h4v-3H3zm5 3h4v-3H8v3zm5 0h4v-3h-4v3zm4-4v-3h-4v3h4zm0-4V6h-4v3h4zm1.5 8a1.5 1.5 0 0 1-1.5 1.5H3A1.5 1.5 0 0 1 1.5 17V4c.222-.863 1.068-1.5 2-1.5h13c.932 0 1.778.637 2 1.5v13zM12 13v-3H8v3h4zm0-4V6H8v3h4z"/></svg>',label:t("Insert table"),tooltip:!0}),o.on("change:isOpen",()=>{r||(r=new Bw(n),o.panelView.children.add(r),r.delegate("execute").to(o),o.buttonView.on("open",()=>{r.rows=0,r.columns=0}),o.on("execute",()=>{e.execute("insertTable",{rows:r.rows,columns:r.columns}),e.editing.view.focus()}))}),o}),e.ui.componentFactory.add("tableColumn",e=>{const i=[{type:"switchbutton",model:{commandName:"setTableColumnHeader",label:t("Header column"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:n?"insertTableColumnLeft":"insertTableColumnRight",label:t("Insert column left")}},{type:"button",model:{commandName:n?"insertTableColumnRight":"insertTableColumnLeft",label:t("Insert column right")}},{type:"button",model:{commandName:"removeTableColumn",label:t("Delete column")}},{type:"button",model:{commandName:"selectTableColumn",label:t("Select column")}}];return this._prepareDropdown(t("Column"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M18 7v1H2V7h16zm0 5v1H2v-1h16z" opacity=".6"/><path d="M14 1v18a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V1a1 1 0 0 1 1-1h6a1 1 0 0 1 1 1zm-2 1H8v4h4V2zm0 6H8v4h4V8zm0 6H8v4h4v-4z"/></svg>',i,e)}),e.ui.componentFactory.add("tableRow",e=>{const n=[{type:"switchbutton",model:{commandName:"setTableRowHeader",label:t("Header row"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:"insertTableRowAbove",label:t("Insert row above")}},{type:"button",model:{commandName:"insertTableRowBelow",label:t("Insert row below")}},{type:"button",model:{commandName:"removeTableRow",label:t("Delete row")}},{type:"button",model:{commandName:"selectTableRow",label:t("Select row")}}];return this._prepareDropdown(t("Row"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M7 2h1v16H7V2zm5 0h1v16h-1V2z" opacity=".6"/><path d="M1 6h18a1 1 0 0 1 1 1v6a1 1 0 0 1-1 1H1a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1zm1 2v4h4V8H2zm6 0v4h4V8H8zm6 0v4h4V8h-4z"/></svg>',n,e)}),e.ui.componentFactory.add("mergeTableCells",e=>{const i=[{type:"button",model:{commandName:"mergeTableCellUp",label:t("Merge cell up")}},{type:"button",model:{commandName:n?"mergeTableCellRight":"mergeTableCellLeft",label:t("Merge cell right")}},{type:"button",model:{commandName:"mergeTableCellDown",label:t("Merge cell down")}},{type:"button",model:{commandName:n?"mergeTableCellLeft":"mergeTableCellRight",label:t("Merge cell left")}},{type:"separator"},{type:"button",model:{commandName:"splitTableCellVertically",label:t("Split cell vertically")}},{type:"button",model:{commandName:"splitTableCellHorizontally",label:t("Split cell horizontally")}}];return this._prepareMergeSplitButtonDropdown(t("Merge cells"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M7 2h1v16H7V2zm5 0h1v7h-1V2zm6 5v1H2V7h16zM8 12v1H2v-1h6z" opacity=".6"/><path d="M7 7h12a1 1 0 0 1 1 1v11a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V8a1 1 0 0 1 1-1zm1 2v9h10V9H8z"/></svg>',i,e)})}_prepareDropdown(e,t,n,i){const o=this.editor,r=Jl(i),s=this._fillDropdownWithListOptions(r,n);return r.buttonView.set({label:e,icon:t,tooltip:!0}),r.bind("isEnabled").toMany(s,"isEnabled",(...e)=>e.some(e=>e)),this.listenTo(r,"execute",e=>{o.execute(e.source.commandName),o.editing.view.focus()}),r}_prepareMergeSplitButtonDropdown(e,t,n,i){const o=this.editor,r=Jl(i,Qh);return this._fillDropdownWithListOptions(r,n),r.buttonView.set({label:e,icon:t,tooltip:!0,isEnabled:!0}),this.listenTo(r.buttonView,"execute",()=>{o.execute("mergeTableCells"),o.editing.view.focus()}),this.listenTo(r,"execute",e=>{o.execute(e.source.commandName),o.editing.view.focus()}),r}_fillDropdownWithListOptions(e,t){const n=this.editor,i=[],o=new An;for(const e of t)Uw(e,n,i,o);return Xl(e,o,n.ui.componentFactory),i}}function Uw(e,t,n,i){const o=e.model=new Kh(e.model),{commandName:r,bindIsOn:s}=e.model;if("button"===e.type||"switchbutton"===e.type){const e=t.commands.get(r);n.push(e),o.set({commandName:r}),o.bind("isEnabled").to(e),s&&o.bind("isOn").to(e,"value")}o.set({withText:!0}),i.add(e)}n(118);class Ww extends sd{static get pluginName(){return"TableSelection"}static get requires(){return[bw]}init(){const e=this.editor.model;this.listenTo(e,"deleteContent",(e,t)=>this._handleDeleteContent(e,t),{priority:"high"}),this._defineSelectionConverter(),this._enablePluginDisabling()}getSelectedTableCells(){const e=Fb(this.editor.model.document.selection);return 0==e.length?null:e}getSelectionAsFragment(){const e=this.getSelectedTableCells();return e?this.editor.model.change(t=>{const n=t.createDocumentFragment(),i=this.editor.plugins.get("TableUtils"),{first:o,last:r}=qb(e),{first:s,last:a}=Wb(e),c=e[0].findAncestor("table");let l=a,d=r;if($b(e,i)){const e={firstColumn:o,lastColumn:r,firstRow:s,lastRow:a};l=lw(c,e),d=dw(c,e)}const u=ew(c,{startRow:s,startColumn:o,endRow:l,endColumn:d},t);return t.insert(u,n,0),n}):null}setCellSelection(e,t){const n=this._getCellsToSelect(e,t);this.editor.model.change(e=>{e.setSelection(n.cells.map(t=>e.createRangeOn(t)),{backward:n.backward})})}getFocusCell(){const e=[...this.editor.model.document.selection.getRanges()].pop().getContainedElement();return e&&e.is("element","tableCell")?e:null}getAnchorCell(){const e=dd(this.editor.model.document.selection.getRanges()).getContainedElement();return e&&e.is("element","tableCell")?e:null}_defineSelectionConverter(){const e=this.editor,t=new Set;e.conversion.for("editingDowncast").add(e=>e.on("selection",(e,n,i)=>{const o=i.writer;!function(e){for(const n of t)e.removeClass("ck-editor__editable_selected",n);t.clear()}(o);const r=this.getSelectedTableCells();if(!r)return;for(const e of r){const n=i.mapper.toViewElement(e);o.addClass("ck-editor__editable_selected",n),t.add(n)}const s=i.mapper.toViewElement(r[r.length-1]);o.setSelection(s,0)},{priority:"lowest"}))}_enablePluginDisabling(){const e=this.editor;this.on("change:isEnabled",()=>{if(!this.isEnabled){const t=this.getSelectedTableCells();if(!t)return;e.model.change(n=>{const i=n.createPositionAt(t[0],0),o=e.model.schema.getNearestSelectionRange(i);n.setSelection(o)})}})}_handleDeleteContent(e,t){const[n,i]=t,o=this.editor.model,r=!i||"backward"==i.direction,s=Fb(n);s.length&&(e.stop(),o.change(e=>{const t=s[r?s.length-1:0];o.change(e=>{for(const t of s)o.deleteContent(e.createSelection(t,"in"))});const i=o.schema.getNearestSelectionRange(e.createPositionAt(t,0));n.is("documentSelection")?e.setSelection(i):n.setTo(i)}))}_getCellsToSelect(e,t){const n=this.editor.plugins.get("TableUtils"),i=n.getCellLocation(e),o=n.getCellLocation(t),r=Math.min(i.row,o.row),s=Math.max(i.row,o.row),a=Math.min(i.column,o.column),c=Math.max(i.column,o.column),l=new Array(s-r+1).fill(null).map(()=>[]),d={startRow:r,endRow:s,startColumn:a,endColumn:c};for(const{row:t,cell:n}of new Mb(e.findAncestor("table"),d))l[t-r].push(n);const u=o.row<i.row,h=o.column<i.column;return u&&l.reverse(),h&&l.forEach(e=>e.reverse()),{cells:l.flat(),backward:u||h}}}class qw extends sd{static get pluginName(){return"TableClipboard"}static get requires(){return[Ww,bw]}init(){const e=this.editor,t=e.editing.view.document;this.listenTo(t,"copy",(e,t)=>this._onCopyCut(e,t)),this.listenTo(t,"cut",(e,t)=>this._onCopyCut(e,t)),this.listenTo(e.model,"insertContent",(e,t)=>this._onInsertContent(e,...t),{priority:"high"})}_onCopyCut(e,t){const n=this.editor.plugins.get(Ww);if(!n.getSelectedTableCells())return;if("cut"==e.name&&this.editor.isReadOnly)return;t.preventDefault(),e.stop();const i=this.editor.data,o=this.editor.editing.view.document,r=i.toView(n.getSelectionAsFragment());o.fire("clipboardOutput",{dataTransfer:t.dataTransfer,content:r,method:e.name})}_onInsertContent(e,t,n){if(n&&!n.is("documentSelection"))return;const i=this.editor.model,o=this.editor.plugins.get(bw);let r=function(e,t){if(!e.is("documentFragment")&&!e.is("element"))return null;if(e.is("element","table"))return e;if(1==e.childCount&&e.getChild(0).is("element","table"))return e.getChild(0);const n=t.createRangeIn(e);for(const e of n.getItems())if(e.is("element","table")){const i=t.createRange(n.start,t.createPositionBefore(e));if(t.hasContent(i,{ignoreWhitespaces:!0}))return null;const o=t.createRange(t.createPositionAfter(e),n.end);return t.hasContent(o,{ignoreWhitespaces:!0})?null:e}return null}(t,i);if(!r)return;const s=Ub(i.document.selection);s.length?(e.stop(),i.change(e=>{const t={width:o.getColumns(r),height:o.getRows(r)},n=function(e,t,n,i){const o=e[0].findAncestor("table"),r=qb(e),s=Wb(e),a={firstColumn:r.first,lastColumn:r.last,firstRow:s.first,lastRow:s.last},c=1===e.length;c&&(a.lastRow+=t.height-1,a.lastColumn+=t.width-1,function(e,t,n,i){const o=i.getColumns(e),r=i.getRows(e);n>o&&i.insertColumns(e,{at:o,columns:n-o});t>r&&i.insertRows(e,{at:r,rows:t-r})}(o,a.lastRow+1,a.lastColumn+1,i));c||!$b(e,i)?function(e,t,n){const{firstRow:i,lastRow:o,firstColumn:r,lastColumn:s}=t,a={first:i,last:o},c={first:r,last:s};Gw(e,r,a,n),Gw(e,s+1,a,n),$w(e,i,c,n),$w(e,o+1,c,n,i)}(o,a,n):(a.lastRow=lw(o,a),a.lastColumn=dw(o,a));return a}(s,t,e,o),i=n.lastRow-n.firstRow+1,a=n.lastColumn-n.firstColumn+1,c={startRow:0,startColumn:0,endRow:Math.min(i,t.height)-1,endColumn:Math.min(a,t.width)-1};r=ew(r,c,e);const l=s[0].findAncestor("table"),d=function(e,t,n,i,o){const{width:r,height:s}=t,a=function(e,t,n){const i=new Array(n).fill(null).map(()=>new Array(t).fill(null));for(const{column:t,row:n,cell:o}of new Mb(e))i[n][t]=o;return i}(e,r,s),c=[...new Mb(n,{startRow:i.firstRow,endRow:i.lastRow,startColumn:i.firstColumn,endColumn:i.lastColumn,includeAllSlots:!0})],l=[];let d;for(const e of c){const{row:t,column:n,cell:c,isAnchor:u}=e;n===i.firstColumn&&(d=e.getPositionBefore()),u&&o.remove(c);const h=t-i.firstRow,m=n-i.firstColumn,g=a[h%s][m%r];if(!g)continue;const f=o.cloneElement(g);rw(f,t,n,i.lastRow,i.lastColumn,o),o.insert(f,d),l.push(f),d=o.createPositionAfter(f)}const u=parseInt(n.getAttribute("headingRows")||0),h=parseInt(n.getAttribute("headingColumns")||0),m=i.firstRow<u&&u<=i.lastRow,g=i.firstColumn<h&&h<=i.lastColumn;if(m){const e={first:i.firstColumn,last:i.lastColumn},t=$w(n,u,e,o,i.firstRow);l.push(...t)}if(g){const e={first:i.firstRow,last:i.lastRow},t=Gw(n,h,e,o);l.push(...t)}return l}(r,t,l,n,e);if(this.editor.plugins.get("TableSelection").isEnabled){const t=Gb(d.map(t=>e.createRangeOn(t)));e.setSelection(t)}else e.setSelection(d[0],0)})):cw(r,o)}}function $w(e,t,n,i,o=0){if(t<1)return;return tw(e,t,o).filter(({column:e,cellWidth:t})=>Yw(e,t,n)).map(({cell:e})=>nw(e,t,i))}function Gw(e,t,n,i){if(t<1)return;return iw(e,t).filter(({row:e,cellHeight:t})=>Yw(e,t,n)).map(({cell:e,column:n})=>ow(e,n,t,i))}function Yw(e,t,n){const i=e+t-1,{first:o,last:r}=n;return e>=o&&e<=r||e<o&&i>=o}class Kw extends sd{static get pluginName(){return"TableKeyboard"}static get requires(){return[Ww]}init(){const e=this.editor.editing.view.document;this.editor.keystrokes.set("Tab",(...e)=>this._handleTabOnSelectedTable(...e),{priority:"low"}),this.editor.keystrokes.set("Tab",this._getTabHandler(!0),{priority:"low"}),this.editor.keystrokes.set("Shift+Tab",this._getTabHandler(!1),{priority:"low"}),this.listenTo(e,"keydown",(...e)=>this._onKeydown(...e),{priority:un.get("high")-10})}_handleTabOnSelectedTable(e,t){const n=this.editor,i=n.model.document.selection;if(!i.isCollapsed&&1===i.rangeCount&&i.getFirstRange().isFlat){const e=i.getSelectedElement();if(!e||!e.is("element","table"))return;t(),n.model.change(t=>{t.setSelection(t.createRangeIn(e.getChild(0).getChild(0)))})}}_getTabHandler(e){const t=this.editor;return(n,i)=>{const o=Hb(t.model.document.selection)[0];if(!o)return;i();const r=o.parent,s=r.parent,a=s.getChildIndex(r),c=r.getChildIndex(o),l=0===c;if(!e&&l&&0===a)return;const d=c===r.childCount-1,u=a===s.childCount-1;if(e&&u&&d&&(t.execute("insertTableRowBelow"),a===s.childCount-1))return;let h;if(e&&d){const e=s.getChild(a+1);h=e.getChild(0)}else if(!e&&l){const e=s.getChild(a-1);h=e.getChild(e.childCount-1)}else h=r.getChild(c+(e?1:-1));t.model.change(e=>{e.setSelection(e.createRangeIn(h))})}}_onKeydown(e,t){const n=this.editor,i=t.keyCode;if(!ko(i))return;const o=_o(i,n.locale.contentLanguageDirection);this._handleArrowKeys(o,t.shiftKey)&&(t.preventDefault(),t.stopPropagation(),e.stop())}_handleArrowKeys(e,t){const n=this.editor.model,i=n.document.selection,o=["right","down"].includes(e),r=Fb(i);if(r.length){let n;return n=t?this.editor.plugins.get("TableSelection").getFocusCell():o?r[r.length-1]:r[0],this._navigateFromCellInDirection(n,e,t),!0}const s=i.focus.findAncestor("tableCell");if(!s)return!1;const a=n.createRangeIn(s);if(this._isSelectionAtCellEdge(i,o))return this._navigateFromCellInDirection(s,e,t),!0;const c=this._findTextRangeFromSelection(a,i,o);return c?!["left","right"].includes(e)&&(this._isSingleLineRange(c,o)?(n.change(e=>{const r=o?a.end:a.start;if(t){const t=n.createSelection(i.anchor);t.setFocus(r),e.setSelection(t)}else e.setSelection(r)}),!0):void 0):(this._navigateFromCellInDirection(s,e,t),!0)}_isSelectionAtCellEdge(e,t){const n=this.editor.model,i=this.editor.model.schema,o=t?e.getLastPosition():e.getFirstPosition();if(!i.getLimitElement(o).is("element","tableCell"))return!1;const r=n.createSelection(o);return n.modifySelection(r,{direction:t?"forward":"backward"}),o.isEqual(r.focus)}_findTextRangeFromSelection(e,t,n){const i=this.editor.model;if(n){const n=t.getLastPosition(),o=this._getNearestVisibleTextPosition(e,"backward");return o&&n.isBefore(o)?i.createRange(n,o):null}{const n=t.getFirstPosition(),o=this._getNearestVisibleTextPosition(e,"forward");return o&&n.isAfter(o)?i.createRange(o,n):null}}_getNearestVisibleTextPosition(e,t){const n=this.editor.model.schema,i=this.editor.editing.mapper;for(const{nextPosition:o,item:r}of e.getWalker({direction:t}))if(n.checkChild(o,"$text")){const e=i.toViewElement(r);if(e&&!e.hasClass("ck-hidden"))return o}}_isSingleLineRange(e,t){const n=this.editor.model,i=this.editor.editing,o=i.view.domConverter;if(t){const t=n.createSelection(e.start);n.modifySelection(t),t.focus.isAtEnd||e.start.isEqual(t.focus)||(e=n.createRange(t.focus,e.end))}const r=i.mapper.toViewRange(e),s=o.viewRangeToDom(r),a=is.getDomRangeRects(s);let c;for(const e of a)if(void 0!==c){if(Math.round(e.top)>=c)return!1;c=Math.max(c,Math.round(e.bottom))}else c=Math.round(e.bottom);return!0}_navigateFromCellInDirection(e,t,n=!1){const i=this.editor.model,o=e.findAncestor("table"),r=[...new Mb(o,{includeAllSlots:!0})],{row:s,column:a}=r[r.length-1],c=r.find(({cell:t})=>t==e);let{row:l,column:d}=c;switch(t){case"left":d--;break;case"up":l--;break;case"right":d+=c.cellWidth;break;case"down":l+=c.cellHeight}if(l<0||l>s||d<0&&l<=0||d>a&&l>=s)return void i.change(e=>{e.setSelection(e.createRangeOn(o))});d<0?(d=n?0:a,l--):d>a&&(d=n?a:0,l++);const u=r.find(e=>e.row==l&&e.column==d).cell,h=["right","down"].includes(t),m=this.editor.plugins.get("TableSelection");if(n&&m.isEnabled){const t=m.getAnchorCell()||e;m.setCellSelection(t,u)}else{const e=i.createPositionAt(u,h?0:"end");i.change(t=>{t.setSelection(e)})}}}class Qw extends Lr{constructor(e){super(e),this.domEventType=["mousemove","mouseup","mouseleave"]}onDomEvent(e){this.fire(e.type,e)}}class Jw extends sd{static get pluginName(){return"TableMouse"}static get requires(){return[Ww]}init(){this.editor.editing.view.addObserver(Qw),this._enableShiftClickSelection(),this._enableMouseDragSelection()}_enableShiftClickSelection(){const e=this.editor;let t=!1;const n=e.plugins.get(Ww);this.listenTo(e.editing.view.document,"mousedown",(i,o)=>{if(!this.isEnabled||!n.isEnabled)return;if(!o.domEvent.shiftKey)return;const r=n.getAnchorCell()||Hb(e.model.document.selection)[0];if(!r)return;const s=this._getModelTableCellFromDomEvent(o);s&&Zw(r,s)&&(t=!0,n.setCellSelection(r,s),o.preventDefault())}),this.listenTo(e.editing.view.document,"mouseup",()=>{t=!1}),this.listenTo(e.editing.view.document,"selectionChange",e=>{t&&e.stop()},{priority:"highest"})}_enableMouseDragSelection(){const e=this.editor;let t,n,i=!1,o=!1;const r=e.plugins.get(Ww);this.listenTo(e.editing.view.document,"mousedown",(e,n)=>{this.isEnabled&&r.isEnabled&&(n.domEvent.shiftKey||n.domEvent.ctrlKey||n.domEvent.altKey||(t=this._getModelTableCellFromDomEvent(n)))}),this.listenTo(e.editing.view.document,"mousemove",(e,s)=>{if(!s.domEvent.buttons)return;if(!t)return;const a=this._getModelTableCellFromDomEvent(s);a&&Zw(t,a)&&(n=a,i||n==t||(i=!0)),i&&(o=!0,r.setCellSelection(t,n),s.preventDefault())}),this.listenTo(e.editing.view.document,"mouseup",()=>{i=!1,o=!1,t=null,n=null}),this.listenTo(e.editing.view.document,"selectionChange",e=>{o&&e.stop()},{priority:"highest"})}_getModelTableCellFromDomEvent(e){const t=e.target,n=this.editor.editing.view.createPositionAt(t,0);return this.editor.editing.mapper.toModelPosition(n).parent.findAncestor("tableCell",{includeSelf:!0})}}function Zw(e,t){return e.parent.parent==t.parent.parent}n(120);function Xw(e){const t=e.getSelectedElement();return t&&tk(t)?t:null}function ek(e){const t=function(e,t){let n=t.parent;for(;n;){if(n.name===e)return n;n=n.parent}}("table",e.getFirstPosition());return t&&tk(t.parent)?t.parent:null}function tk(e){return!!e.getCustomProperty("table")&&Zd(e)}var nk=/[\\^$.*+?()[\]{}|]/g,ik=RegExp(nk.source);var ok=function(e){return(e=Zn(e))&&ik.test(e)?e.replace(nk,"\\$&"):e};const rk={copyright:{from:"(c)",to:"©"},registeredTrademark:{from:"(r)",to:"®"},trademark:{from:"(tm)",to:"™"},oneHalf:{from:"1/2",to:"½"},oneThird:{from:"1/3",to:"⅓"},twoThirds:{from:"2/3",to:"⅔"},oneForth:{from:"1/4",to:"¼"},threeQuarters:{from:"3/4",to:"¾"},lessThanOrEqual:{from:"<=",to:"≤"},greaterThanOrEqual:{from:">=",to:"≥"},notEqual:{from:"!=",to:"≠"},arrowLeft:{from:"<-",to:"←"},arrowRight:{from:"->",to:"→"},horizontalEllipsis:{from:"...",to:"…"},enDash:{from:/(^| )(--)( )$/,to:[null,"–",null]},emDash:{from:/(^| )(---)( )$/,to:[null,"—",null]},quotesPrimary:{from:uk('"'),to:[null,"“",null,"”"]},quotesSecondary:{from:uk("'"),to:[null,"‘",null,"’"]},quotesPrimaryEnGb:{from:uk("'"),to:[null,"‘",null,"’"]},quotesSecondaryEnGb:{from:uk('"'),to:[null,"“",null,"”"]},quotesPrimaryPl:{from:uk('"'),to:[null,"„",null,"”"]},quotesSecondaryPl:{from:uk("'"),to:[null,"‚",null,"’"]}},sk={symbols:["copyright","registeredTrademark","trademark"],mathematical:["oneHalf","oneThird","twoThirds","oneForth","threeQuarters","lessThanOrEqual","greaterThanOrEqual","notEqual","arrowLeft","arrowRight"],typography:["horizontalEllipsis","enDash","emDash"],quotes:["quotesPrimary","quotesSecondary"]},ak=["symbols","mathematical","typography","quotes"];function ck(e){return"string"==typeof e?new RegExp(`(${ok(e)})$`):e}function lk(e){return"string"==typeof e?()=>[e]:e instanceof Array?()=>e:e}function dk(e){return(e.textNode?e.textNode:e.nodeAfter).getAttributes()}function uk(e){return new RegExp(`(^|\\s)(${e})([^${e}]*)(${e})$`)}new Set(["paragraph","heading1","heading2","heading3","heading4","heading5","heading6"]);class hk extends sd{static get pluginName(){return"UnderlineEditing"}init(){const e=this.editor;e.model.schema.extend("$text",{allowAttributes:"underline"}),e.model.schema.setAttributeProperties("underline",{isFormatting:!0,copyOnEnter:!0}),e.conversion.attributeToElement({model:"underline",view:"u",upcastAlso:{styles:{"text-decoration":"underline"}}}),e.commands.add("underline",new zd(e,"underline")),e.keystrokes.set("CTRL+U","underline")}}class mk extends sd{init(){const e=this.editor,t=e.t;e.ui.componentFactory.add("underline",n=>{const i=e.commands.get("underline"),o=new Ul(n);return o.set({label:t("Underline"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 18v-1.5h14V18zm2.2-8V3.6c0-.4.4-.6.8-.6.3 0 .7.2.7.6v6.2c0 2 1.3 2.8 3.2 2.8 1.9 0 3.4-.9 3.4-2.9V3.6c0-.3.4-.5.8-.5.3 0 .7.2.7.5V10c0 2.7-2.2 4-4.9 4-2.6 0-4.7-1.2-4.7-4z"/></svg>',keystroke:"CTRL+U",tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>{e.execute("underline"),e.editing.view.focus()}),o})}}class gk extends rd{}gk.builtinPlugins=[class extends sd{static get requires(){return[Og,zg]}static get pluginName(){return"Heading"}},class extends sd{static get requires(){return[Dd,Ld]}static get pluginName(){return"Bold"}},class extends sd{static get requires(){return[sp,ap]}static get pluginName(){return"Italic"}},class extends sd{static get requires(){return[hk,mk]}static get pluginName(){return"Underline"}},class extends sd{static get requires(){return[hg,mg]}static get pluginName(){return"FontColor"}},class extends sd{static get requires(){return[ag,dg]}static get pluginName(){return"FontBackgroundColor"}},class extends sd{static get requires(){return[wg,kg]}static get pluginName(){return"FontFamily"}},class extends sd{static get requires(){return[Ag,Cg]}static get pluginName(){return"FontSize"}},class extends sd{static get requires(){return[Lg,Vg]}static get pluginName(){return"Highlight"}},class extends sd{static get requires(){return[Rd,Od]}static get pluginName(){return"BlockQuote"}},class extends sd{static get requires(){return[Ph,Eh]}static get pluginName(){return"Code"}},class extends sd{static get requires(){return[Yh,Jh]}static get pluginName(){return"CodeBlock"}},class extends sd{static get requires(){return[hh,gp]}static get pluginName(){return"Link"}},class extends sd{static get requires(){return[pp,_p]}static get pluginName(){return"LinkImage"}},class extends sd{static get pluginName(){return"AutoLink"}init(){const e=this.editor.model.document.selection;e.on("change:range",()=>{this.isEnabled=!e.anchor.parent.is("element","codeBlock")}),this._enableTypingHandling()}afterInit(){this._enableEnterHandling(),this._enableShiftEnterHandling()}_enableTypingHandling(){const e=this.editor,t=new Cd(e.model,e=>{if(!function(e){return e.length>4&&" "===e[e.length-1]&&" "!==e[e.length-2]}(e))return;const t=Pd(e.substr(0,e.length-1));return t?{url:t}:void 0}),n=e.plugins.get("Input");t.on("matched:data",(t,i)=>{const{batch:o,range:r,url:s}=i;if(!n.isInput(o))return;const a=r.end.getShiftedBy(-1),c=a.getShiftedBy(-s.length),l=e.model.createRange(c,a);this._applyAutoLink(s,l)}),t.bind("isEnabled").to(this)}_enableEnterHandling(){const e=this.editor,t=e.model,n=e.commands.get("enter");n&&n.on("execute",()=>{const e=t.document.selection.getFirstPosition(),n=t.createRange(t.createPositionAt(e.parent.previousSibling,0),t.createPositionAt(e.parent.previousSibling,"end"));this._checkAndApplyAutoLinkOnRange(n)})}_enableShiftEnterHandling(){const e=this.editor,t=e.model,n=e.commands.get("shiftEnter");n&&n.on("execute",()=>{const e=t.document.selection.getFirstPosition(),n=t.createRange(t.createPositionAt(e.parent,0),e.getShiftedBy(-1));this._checkAndApplyAutoLinkOnRange(n)})}_checkAndApplyAutoLinkOnRange(e){const t=this.editor.model,{text:n,range:i}=Ad(e,t),o=Pd(n);if(o){const e=t.createRange(i.end.getShiftedBy(-o.length),i.end);this._applyAutoLink(o,e)}}_applyAutoLink(e,t){const n=this.editor.model;this.isEnabled&&function(e,t){return t.schema.checkAttributeInSelection(t.createSelection(e),"linkHref")}(t,n)&&n.enqueueChange(n=>{const i=(o=e,Sd.exec(o)?"mailto:"+e:e);var o;n.setAttribute("linkHref",i,t)})}},class extends sd{static get requires(){return[fd,kd]}static get pluginName(){return"Alignment"}},class extends sd{static get requires(){return[$p,Yp]}static get pluginName(){return"List"}},class extends sd{static get pluginName(){return"Indent"}static get requires(){return[Zf,tp]}},class extends sd{constructor(e){super(e),e.config.define("indentBlock",{offset:40,unit:"px"})}static get pluginName(){return"IndentBlock"}init(){const e=this.editor,t=e.config.get("indentBlock"),n=!t.classes||!t.classes.length,i=Object.assign({direction:"forward"},t),o=Object.assign({direction:"backward"},t);n?(e.data.addStyleProcessorRules(rp),this._setupConversionUsingOffset(e.conversion),e.commands.add("indentBlock",new np(e,new ip(i))),e.commands.add("outdentBlock",new np(e,new ip(o)))):(this._setupConversionUsingClasses(t.classes),e.commands.add("indentBlock",new np(e,new op(i))),e.commands.add("outdentBlock",new np(e,new op(o))))}afterInit(){const e=this.editor,t=e.model.schema,n=e.commands.get("indent"),i=e.commands.get("outdent");["paragraph","heading1","heading2","heading3","heading4","heading5","heading6"].forEach(e=>{t.isRegistered(e)&&t.extend(e,{allowAttributes:"blockIndent"})}),n.registerChildCommand(e.commands.get("indentBlock")),i.registerChildCommand(e.commands.get("outdentBlock"))}_setupConversionUsingOffset(){const e=this.editor.conversion,t="rtl"===this.editor.locale.contentLanguageDirection?"margin-right":"margin-left";e.for("upcast").attributeToAttribute({view:{styles:{[t]:/[\s\S]+/}},model:{key:"blockIndent",value:e=>e.getStyle(t)}}),e.for("downcast").attributeToAttribute({model:"blockIndent",view:e=>({key:"style",value:{[t]:e}})})}_setupConversionUsingClasses(e){const t={model:{key:"blockIndent",values:[]},view:{}};for(const n of e)t.model.values.push(n),t.view[n]={key:"class",value:[n]};this.editor.conversion.attributeToAttribute(t)}},class extends sd{static get pluginName(){return"Autoformat"}afterInit(){this._addListAutoformats(),this._addBasicStylesAutoformats(),this._addHeadingAutoformats(),this._addBlockQuoteAutoformats(),this._addCodeBlockAutoformats()}_addListAutoformats(){const e=this.editor.commands;e.get("bulletedList")&&_d(this.editor,this,/^[*-]\s$/,"bulletedList"),e.get("numberedList")&&_d(this.editor,this,/^1[.|)]\s$/,"numberedList")}_addBasicStylesAutoformats(){const e=this.editor.commands;if(e.get("bold")){const e=xd(this.editor,"bold");vd(this.editor,this,/(\*\*)([^*]+)(\*\*)$/g,e),vd(this.editor,this,/(__)([^_]+)(__)$/g,e)}if(e.get("italic")){const e=xd(this.editor,"italic");vd(this.editor,this,/(?:^|[^*])(\*)([^*_]+)(\*)$/g,e),vd(this.editor,this,/(?:^|[^_])(_)([^_]+)(_)$/g,e)}if(e.get("code")){const e=xd(this.editor,"code");vd(this.editor,this,/(`)([^`]+)(`)$/g,e)}if(e.get("strikethrough")){const e=xd(this.editor,"strikethrough");vd(this.editor,this,/(~~)([^~]+)(~~)$/g,e)}}_addHeadingAutoformats(){const e=this.editor.commands.get("heading");e&&e.modelElements.filter(e=>e.match(/^heading[1-6]$/)).forEach(t=>{const n=t[7],i=new RegExp(`^(#{${n}})\\s$`);_d(this.editor,this,i,()=>{if(!e.isEnabled||e.value===t)return!1;this.editor.execute("heading",{value:t})})})}_addBlockQuoteAutoformats(){this.editor.commands.get("blockQuote")&&_d(this.editor,this,/^>\s$/,"blockQuote")}_addCodeBlockAutoformats(){this.editor.commands.get("codeBlock")&&_d(this.editor,this,/^```$/,"codeBlock")}},class extends sd{static get requires(){return[Vu,em,sm,zh,dm,Im]}static get pluginName(){return"Essentials"}},cf,class extends sd{static get requires(){return[df,_f,mf]}static get pluginName(){return"ImageResize"}},class extends sd{static get requires(){return[If,Nf]}static get pluginName(){return"ImageStyle"}},class extends sd{static get requires(){return[Rf]}static get pluginName(){return"ImageToolbar"}afterInit(){const e=this.editor,t=e.t;e.plugins.get(Rf).register("image",{ariaLabel:t("Image toolbar"),items:e.config.get("image.toolbar")||[],getRelatedElement:au})}},class extends sd{static get pluginName(){return"ImageUpload"}static get requires(){return[Kf,jf,Bf]}},class extends sd{static get pluginName(){return"CKFinder"}static get requires(){return[kh,Vd,Ch]}},Ch,class extends sd{static get requires(){return[ib,ab,rb,Ug]}static get pluginName(){return"MediaEmbed"}},class extends sd{static get requires(){return[Rf]}static get pluginName(){return"MediaEmbedToolbar"}afterInit(){const e=this.editor,t=e.t;e.plugins.get(Rf).register("mediaEmbed",{ariaLabel:t("Media toolbar"),items:e.config.get("mediaEmbed.toolbar")||[],getRelatedElement:Qp})}},Eg,class extends sd{static get pluginName(){return"PasteFromOffice"}static get requires(){return[Vu]}init(){const e=this.editor,t=e.editing.view.document,n=[];n.push(new wb(t)),n.push(new hb(t)),e.plugins.get("Clipboard").on("inputTransformation",(e,t)=>{if(t.isTransformedWithPasteFromOffice)return;const i=t.dataTransfer.getData("text/html"),o=n.find(e=>e.isActive(i));o&&(o.execute(t),t.isTransformedWithPasteFromOffice=!0)},{priority:"high"})}},class extends sd{static get requires(){return[dm]}static get pluginName(){return"SpecialCharacters"}constructor(e){super(e),this._characters=new Map,this._groups=new Map}init(){const e=this.editor,t=e.t,n=e.commands.get("input");e.ui.componentFactory.add("specialCharacters",i=>{const o=Jl(i);let r;return o.buttonView.set({label:t("Special characters"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M10 2.5a7.47 7.47 0 0 1 4.231 1.31 7.268 7.268 0 0 1 2.703 3.454 7.128 7.128 0 0 1 .199 4.353c-.39 1.436-1.475 2.72-2.633 3.677h2.013c0-.226.092-.443.254-.603a.876.876 0 0 1 1.229 0c.163.16.254.377.254.603v.853c0 .209-.078.41-.22.567a.873.873 0 0 1-.547.28l-.101.006h-4.695a.517.517 0 0 1-.516-.518v-1.265c0-.21.128-.398.317-.489a5.601 5.601 0 0 0 2.492-2.371 5.459 5.459 0 0 0 .552-3.693 5.53 5.53 0 0 0-1.955-3.2A5.71 5.71 0 0 0 10 4.206 5.708 5.708 0 0 0 6.419 5.46 5.527 5.527 0 0 0 4.46 8.663a5.457 5.457 0 0 0 .554 3.695 5.6 5.6 0 0 0 2.497 2.37.55.55 0 0 1 .317.49v1.264c0 .286-.23.518-.516.518H2.618a.877.877 0 0 1-.614-.25.845.845 0 0 1-.254-.603v-.853c0-.226.091-.443.254-.603a.876.876 0 0 1 1.228 0c.163.16.255.377.255.603h1.925c-1.158-.958-2.155-2.241-2.545-3.678a7.128 7.128 0 0 1 .199-4.352 7.268 7.268 0 0 1 2.703-3.455A7.475 7.475 0 0 1 10 2.5z"/></svg>',tooltip:!0}),o.bind("isEnabled").to(n),o.on("execute",(t,n)=>{e.execute("input",{text:n.character}),e.editing.view.focus()}),o.on("change:isOpen",()=>{r||(r=this._createDropdownPanelContent(i,o),o.panelView.children.add(r.navigationView),o.panelView.children.add(r.gridView),o.panelView.children.add(r.infoView)),r.infoView.set({character:null,name:null})}),o})}addItems(e,t){if("All"===e)throw new hn.b('special-character-invalid-group-name: The name "All" is reserved and cannot be used.');const n=this._getGroup(e);for(const e of t)n.add(e.title),this._characters.set(e.title,e.character)}getGroups(){return this._groups.keys()}getCharactersForGroup(e){return"All"===e?new Set(this._characters.keys()):this._groups.get(e)}getCharacter(e){return this._characters.get(e)}_getGroup(e){return this._groups.has(e)||this._groups.set(e,new Set),this._groups.get(e)}_updateGrid(e,t){t.tiles.clear();const n=this.getCharactersForGroup(e);for(const e of n){const n=this.getCharacter(e);t.tiles.add(t.createTile(n,e))}}_createDropdownPanelContent(e,t){const n=[...this.getGroups()];n.unshift("All");const i=new _b(e,n),o=new vb(e),r=new yb(e);return o.delegate("execute").to(t),o.on("tileHover",(e,t)=>{r.set(t)}),i.on("execute",()=>{this._updateGrid(i.currentGroupName,o)}),this._updateGrid(i.currentGroupName,o),{navigationView:i,gridView:o,infoView:r}}},class extends sd{static get requires(){return[jw,Hw,Ww,Jw,Kw,qw,Ug]}static get pluginName(){return"Table"}},class extends sd{static get requires(){return[Rf]}static get pluginName(){return"TableToolbar"}afterInit(){const e=this.editor,t=e.t,n=e.plugins.get(Rf),i=e.config.get("table.contentToolbar"),o=e.config.get("table.tableToolbar");i&&n.register("tableContent",{ariaLabel:t("Table toolbar"),items:i,getRelatedElement:ek}),o&&n.register("table",{ariaLabel:t("Table toolbar"),items:o,getRelatedElement:Xw})}},class extends sd{static get pluginName(){return"TextTransformation"}constructor(e){super(e),e.config.define("typing",{transformations:{include:ak}})}init(){const e=this.editor.model.document.selection;e.on("change:range",()=>{this.isEnabled=!e.anchor.parent.is("element","codeBlock")}),this._enableTransformationWatchers()}_enableTransformationWatchers(){const e=this.editor,t=e.model,n=e.plugins.get("Input"),i=function(e){const t=e.extra||[],n=e.remove||[],i=e=>!n.includes(e);return function(e){const t=new Set;for(const n of e)if(sk[n])for(const e of sk[n])t.add(e);else t.add(n);return Array.from(t)}(e.include.concat(t).filter(i)).filter(i).map(e=>rk[e]||e).map(e=>({from:ck(e.from),to:lk(e.to)}))}(e.config.get("typing.transformations")),o=new Cd(e.model,e=>{for(const t of i){if(t.from.test(e))return{normalizedTransformation:t}}});o.on("matched:data",(e,i)=>{if(!n.isInput(i.batch))return;const{from:o,to:r}=i.normalizedTransformation,s=o.exec(i.text),a=r(s.slice(1)),c=i.range;let l=s.index;t.enqueueChange(e=>{for(let n=1;n<s.length;n++){const i=s[n],o=a[n-1];if(null==o){l+=i.length;continue}const r=c.start.getShiftedBy(l),d=t.createRange(r,r.getShiftedBy(i.length)),u=dk(r);t.insertContent(e.createText(o,u),d),l+=o.length}})}),o.bind("isEnabled").to(this)}}],rd.defaultConfig={toolbar:{items:["heading","|","alignment","fontSize","fontFamily","fontColor","fontBackgroundColor","Highlight","|","bold","italic","indent","outdent","LinkImage","bulletedList","numberedList","blockQuote","code","codeBlock","|","imageUpload","insertTable","mediaEmbed","insertTable","undo","redo"]},image:{toolbar:["imageStyle:full","imageStyle:side","|","imageTextAlternative"]},table:{contentToolbar:["tableColumn","tableRow","mergeTableCells"]},language:"zh-cn"};t.default=gk}]).default}));
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