text: /*!
   * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
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Array.from(e).map(e=>"string"==typeof e?new Ni(t,e):e instanceof Oi?new Ni(t,e.data):e)}(this.document,e);for(const e of n)null!==e.parent&&e._remove(),e.parent=this,e.document=this.document,this._children.splice(t,0,e),t++,i++;return i}_removeChildren(t,e=1){this._fireChange("children",this);for(let i=t;i<t+e;i++)this._children[i].parent=null;return this._children.splice(t,e)}_setAttribute(t,e){e=String(e),this._fireChange("attributes",this),"class"==t?Rn(this._classes,e):"style"==t?this._styles.setTo(e):this._attrs.set(t,e)}_removeAttribute(t){return this._fireChange("attributes",this),"class"==t?this._classes.size>0&&(this._classes.clear(),!0):"style"==t?!this._styles.isEmpty&&(this._styles.clear(),!0):this._attrs.delete(t)}_addClass(t){this._fireChange("attributes",this),(t=Array.isArray(t)?t:[t]).forEach(t=>this._classes.add(t))}_removeClass(t){this._fireChange("attributes",this),(t=Array.isArray(t)?t:[t]).forEach(t=>this._classes.delete(t))}_setStyle(t,e){this._fireChange("attributes",this),this._styles.set(t,e)}_removeStyle(t){this._fireChange("attributes",this),(t=Array.isArray(t)?t:[t]).forEach(t=>this._styles.remove(t))}_setCustomProperty(t,e){this._customProperties.set(t,e)}_removeCustomProperty(t){return this._customProperties.delete(t)}}function Rn(t,e){const i=e.split(/\s+/);t.clear(),i.forEach(e=>t.add(e))}class Dn extends On{constructor(t,e,i,n){super(t,e,i,n),this.getFillerOffset=Ln}is(t,e=null){const i=t&&t.replace(/^view:/,"");return e?"containerElement"==i&&e==this.name||super.is(t,e):"containerElement"==i||super.is(t)}}function Ln(){const t=[...this.getChildren()],e=t[this.childCount-1];if(e&&e.is("element","br"))return this.childCount;for(const e of t)if(!e.is("uiElement"))return null;return this.childCount}var jn=Tn((function(t,e){St(e,re(e),t)}));const Vn=Symbol("observableProperties"),zn=Symbol("boundObservables"),Bn=Symbol("boundProperties"),Fn={set(t,e){if(j(t))return void Object.keys(t).forEach(e=>{this.set(e,t[e])},this);Hn(this);const i=this[Vn];if(t in this&&!i.has(t))throw new hi.b("observable-set-cannot-override: Cannot override an existing property.",this);Object.defineProperty(this,t,{enumerable:!0,configurable:!0,get:()=>i.get(t),set(e){const n=i.get(t);let o=this.fire("set:"+t,t,e,n);void 0===o&&(o=e),n===o&&i.has(t)||(i.set(t,o),this.fire("change:"+t,t,o,n))}}),this[t]=e},bind(...t){if(!t.length||!Yn(t))throw new hi.b("observable-bind-wrong-properties: All properties must be strings.",this);if(new Set(t).size!==t.length)throw new hi.b("observable-bind-duplicate-properties: Properties must be unique.",this);Hn(this);const e=this[Bn];t.forEach(t=>{if(e.has(t))throw new hi.b("observable-bind-rebind: Cannot bind the same property more than once.",this)});const i=new Map;return t.forEach(t=>{const n={property:t,to:[]};e.set(t,n),i.set(t,n)}),{to:qn,toMany:Wn,_observable:this,_bindProperties:t,_to:[],_bindings:i}},unbind(...t){if(!(Vn in this))return;const e=this[Bn],i=this[zn];if(t.length){if(!Yn(t))throw new hi.b("observable-unbind-wrong-properties: Properties must be strings.",this);t.forEach(t=>{const n=e.get(t);if(!n)return;let o,r,s,a;n.to.forEach(t=>{o=t[0],r=t[1],s=i.get(o),a=s[r],a.delete(n),a.size||delete s[r],Object.keys(s).length||(i.delete(o),this.stopListening(o,"change"))}),e.delete(t)})}else i.forEach((t,e)=>{this.stopListening(e,"change")}),i.clear(),e.clear()},decorate(t){const e=this[t];if(!e)throw new hi.b("observablemixin-cannot-decorate-undefined: Cannot decorate an undefined method.",this,{object:this,methodName:t});this.on(t,(t,i)=>{t.return=e.apply(this,i)}),this[t]=function(...e){return this.fire(t,e)}}};jn(Fn,mi);var Un=Fn;function Hn(t){Vn in t||(Object.defineProperty(t,Vn,{value:new Map}),Object.defineProperty(t,zn,{value:new Map}),Object.defineProperty(t,Bn,{value:new Map}))}function qn(...t){const e=function(...t){if(!t.length)throw new hi.b("observable-bind-to-parse-error: Invalid argument syntax in `to()`.",null);const e={to:[]};let i;"function"==typeof t[t.length-1]&&(e.callback=t.pop());return t.forEach(t=>{if("string"==typeof t)i.properties.push(t);else{if("object"!=typeof t)throw new hi.b("observable-bind-to-parse-error: Invalid argument syntax in `to()`.",null);i={observable:t,properties:[]},e.to.push(i)}}),e}(...t),i=Array.from(this._bindings.keys()),n=i.length;if(!e.callback&&e.to.length>1)throw new hi.b("observable-bind-to-no-callback: Binding multiple observables only possible with callback.",this);if(n>1&&e.callback)throw new hi.b("observable-bind-to-extra-callback: Cannot bind multiple properties and use a callback in one binding.",this);var o;e.to.forEach(t=>{if(t.properties.length&&t.properties.length!==n)throw new hi.b("observable-bind-to-properties-length: The number of properties must match.",this);t.properties.length||(t.properties=this._bindProperties)}),this._to=e.to,e.callback&&(this._bindings.get(i[0]).callback=e.callback),o=this._observable,this._to.forEach(t=>{const e=o[zn];let i;e.get(t.observable)||o.listenTo(t.observable,"change",(n,r)=>{i=e.get(t.observable)[r],i&&i.forEach(t=>{$n(o,t.property)})})}),function(t){let e;t._bindings.forEach((i,n)=>{t._to.forEach(o=>{e=o.properties[i.callback?0:t._bindProperties.indexOf(n)],i.to.push([o.observable,e]),function(t,e,i,n){const o=t[zn],r=o.get(i),s=r||{};s[n]||(s[n]=new Set);s[n].add(e),r||o.set(i,s)}(t._observable,i,o.observable,e)})})}(this),this._bindProperties.forEach(t=>{$n(this._observable,t)})}function Wn(t,e,i){if(this._bindings.size>1)throw new hi.b("observable-bind-to-many-not-one-binding: Cannot bind multiple properties with toMany().",this);this.to(...function(t,e){const i=t.map(t=>[t,e]);return Array.prototype.concat.apply([],i)}(t,e),i)}function Yn(t){return t.every(t=>"string"==typeof t)}function $n(t,e){const i=t[Bn].get(e);let n;i.callback?n=i.callback.apply(t,i.to.map(t=>t[0][t[1]])):(n=i.to[0],n=n[0][n[1]]),t.hasOwnProperty(e)?t[e]=n:t.set(e,n)}class Gn extends Dn{constructor(t,e,i,n){super(t,e,i,n),this.set("isReadOnly",!1),this.set("isFocused",!1),this.bind("isReadOnly").to(t),this.bind("isFocused").to(t,"isFocused",e=>e&&t.selection.editableElement==this),this.listenTo(t.selection,"change",()=>{this.isFocused=t.isFocused&&t.selection.editableElement==this})}is(t,e=null){const i=t&&t.replace(/^view:/,"");return e?"editableElement"==i&&e==this.name||super.is(t,e):"editableElement"==i||super.is(t)}destroy(){this.stopListening()}}vi(Gn,Un);const Qn=Symbol("rootName");class Kn extends Gn{constructor(t,e){super(t,e),this.rootName="main"}is(t,e=null){const i=t.replace(/^view:/,"");return e?"rootElement"==i&&e==this.name||super.is(t,e):"rootElement"==i||super.is(t)}get rootName(){return this.getCustomProperty(Qn)}set rootName(t){this._setCustomProperty(Qn,t)}set _name(t){this.name=t}}class Jn{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new hi.b("view-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.",null);if(t.direction&&"forward"!=t.direction&&"backward"!=t.direction)throw new hi.b("view-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.",t.startPosition,{direction:t.direction});this.boundaries=t.boundaries||null,t.startPosition?this.position=Zn._createAt(t.startPosition):this.position=Zn._createAt(t.boundaries["backward"==t.direction?"end":"start"]),this.direction=t.direction||"forward",this.singleCharacters=!!t.singleCharacters,this.shallow=!!t.shallow,this.ignoreElementEnd=!!t.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null}[Symbol.iterator](){return this}skip(t){let e,i,n;do{n=this.position,({done:e,value:i}=this.next())}while(!e&&t(i));e||(this.position=n)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){let t=this.position.clone();const e=this.position,i=t.parent;if(null===i.parent&&t.offset===i.childCount)return{done:!0};if(i===this._boundaryEndParent&&t.offset==this.boundaries.end.offset)return{done:!0};let n;if(i instanceof Ni){if(t.isAtEnd)return this.position=Zn._createAfter(i),this._next();n=i.data[t.offset]}else n=i.getChild(t.offset);if(n instanceof On)return this.shallow?t.offset++:t=new Zn(n,0),this.position=t,this._formatReturnValue("elementStart",n,e,t,1);if(n instanceof Ni){if(this.singleCharacters)return t=new Zn(n,0),this.position=t,this._next();{let i,o=n.data.length;return n==this._boundaryEndParent?(o=this.boundaries.end.offset,i=new Oi(n,0,o),t=Zn._createAfter(i)):(i=new Oi(n,0,n.data.length),t.offset++),this.position=t,this._formatReturnValue("text",i,e,t,o)}}if("string"==typeof n){let n;if(this.singleCharacters)n=1;else{n=(i===this._boundaryEndParent?this.boundaries.end.offset:i.data.length)-t.offset}const o=new Oi(i,t.offset,n);return t.offset+=n,this.position=t,this._formatReturnValue("text",o,e,t,n)}return t=Zn._createAfter(i),this.position=t,this.ignoreElementEnd?this._next():this._formatReturnValue("elementEnd",i,e,t)}_previous(){let t=this.position.clone();const e=this.position,i=t.parent;if(null===i.parent&&0===t.offset)return{done:!0};if(i==this._boundaryStartParent&&t.offset==this.boundaries.start.offset)return{done:!0};let n;if(i instanceof Ni){if(t.isAtStart)return this.position=Zn._createBefore(i),this._previous();n=i.data[t.offset-1]}else n=i.getChild(t.offset-1);if(n instanceof On)return this.shallow?(t.offset--,this.position=t,this._formatReturnValue("elementStart",n,e,t,1)):(t=new Zn(n,n.childCount),this.position=t,this.ignoreElementEnd?this._previous():this._formatReturnValue("elementEnd",n,e,t));if(n instanceof Ni){if(this.singleCharacters)return t=new Zn(n,n.data.length),this.position=t,this._previous();{let i,o=n.data.length;if(n==this._boundaryStartParent){const e=this.boundaries.start.offset;i=new Oi(n,e,n.data.length-e),o=i.data.length,t=Zn._createBefore(i)}else i=new Oi(n,0,n.data.length),t.offset--;return this.position=t,this._formatReturnValue("text",i,e,t,o)}}if("string"==typeof n){let n;if(this.singleCharacters)n=1;else{const e=i===this._boundaryStartParent?this.boundaries.start.offset:0;n=t.offset-e}t.offset-=n;const o=new Oi(i,t.offset,n);return this.position=t,this._formatReturnValue("text",o,e,t,n)}return t=Zn._createBefore(i),this.position=t,this._formatReturnValue("elementStart",i,e,t,1)}_formatReturnValue(t,e,i,n,o){return e instanceof Oi&&(e.offsetInText+e.data.length==e.textNode.data.length&&("forward"!=this.direction||this.boundaries&&this.boundaries.end.isEqual(this.position)?i=Zn._createAfter(e.textNode):(n=Zn._createAfter(e.textNode),this.position=n)),0===e.offsetInText&&("backward"!=this.direction||this.boundaries&&this.boundaries.start.isEqual(this.position)?i=Zn._createBefore(e.textNode):(n=Zn._createBefore(e.textNode),this.position=n))),{done:!1,value:{type:t,item:e,previousPosition:i,nextPosition:n,length:o}}}}class Zn{constructor(t,e){this.parent=t,this.offset=e}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 t=this.parent.is("text")?this.parent.data.length:this.parent.childCount;return this.offset===t}get root(){return this.parent.root}get editableElement(){let t=this.parent;for(;!(t instanceof Gn);){if(!t.parent)return null;t=t.parent}return t}getShiftedBy(t){const e=Zn._createAt(this),i=e.offset+t;return e.offset=i<0?0:i,e}getLastMatchingPosition(t,e={}){e.startPosition=this;const i=new Jn(e);return i.skip(t),i.position}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonAncestor(t){const e=this.getAncestors(),i=t.getAncestors();let n=0;for(;e[n]==i[n]&&e[n];)n++;return 0===n?null:e[n-1]}is(t){return"position"==t||"view:position"==t}isEqual(t){return this.parent==t.parent&&this.offset==t.offset}isBefore(t){return"before"==this.compareWith(t)}isAfter(t){return"after"==this.compareWith(t)}compareWith(t){if(this.root!==t.root)return"different";if(this.isEqual(t))return"same";const e=this.parent.is("node")?this.parent.getPath():[],i=t.parent.is("node")?t.parent.getPath():[];e.push(this.offset),i.push(t.offset);const n=Mi(e,i);switch(n){case"prefix":return"before";case"extension":return"after";default:return e[n]<i[n]?"before":"after"}}getWalker(t={}){return t.startPosition=this,new Jn(t)}clone(){return new Zn(this.parent,this.offset)}static _createAt(t,e){if(t instanceof Zn)return new this(t.parent,t.offset);{const i=t;if("end"==e)e=i.is("text")?i.data.length:i.childCount;else{if("before"==e)return this._createBefore(i);if("after"==e)return this._createAfter(i);if(0!==e&&!e)throw new hi.b("view-createPositionAt-offset-required: View#createPositionAt() requires the offset when the first parameter is a view item.",i)}return new Zn(i,e)}}static _createAfter(t){if(t.is("textProxy"))return new Zn(t.textNode,t.offsetInText+t.data.length);if(!t.parent)throw new hi.b("view-position-after-root: You can not make position after root.",t,{root:t});return new Zn(t.parent,t.index+1)}static _createBefore(t){if(t.is("textProxy"))return new Zn(t.textNode,t.offsetInText);if(!t.parent)throw new hi.b("view-position-before-root: You can not make position before root.",t,{root:t});return new Zn(t.parent,t.index)}}class Xn{constructor(t,e=null){this.start=t.clone(),this.end=e?e.clone():t.clone()}*[Symbol.iterator](){yield*new Jn({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 t=this.start.getLastMatchingPosition(to,{direction:"backward"}),e=this.end.getLastMatchingPosition(to);return t.parent.is("text")&&t.isAtStart&&(t=Zn._createBefore(t.parent)),e.parent.is("text")&&e.isAtEnd&&(e=Zn._createAfter(e.parent)),new Xn(t,e)}getTrimmed(){let t=this.start.getLastMatchingPosition(to);if(t.isAfter(this.end)||t.isEqual(this.end))return new Xn(t,t);let e=this.end.getLastMatchingPosition(to,{direction:"backward"});const i=t.nodeAfter,n=e.nodeBefore;return i&&i.is("text")&&(t=new Zn(i,0)),n&&n.is("text")&&(e=new Zn(n,n.data.length)),new Xn(t,e)}isEqual(t){return this==t||this.start.isEqual(t.start)&&this.end.isEqual(t.end)}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=!1){t.isCollapsed&&(e=!1);const i=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),n=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return i&&n}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new Xn(this.start,t.start)),this.containsPosition(t.end)&&e.push(new Xn(t.end,this.end))):e.push(this.clone()),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,i=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(i=t.end),new Xn(e,i)}return null}getWalker(t={}){return t.boundaries=this,new Jn(t)}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed)return null;let t=this.start.nodeAfter,e=this.end.nodeBefore;return this.start.parent.is("text")&&this.start.isAtEnd&&this.start.parent.nextSibling&&(t=this.start.parent.nextSibling),this.end.parent.is("text")&&this.end.isAtStart&&this.end.parent.previousSibling&&(e=this.end.parent.previousSibling),t&&t.is("element")&&t===e?t:null}clone(){return new Xn(this.start,this.end)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new Jn(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new Jn(t);yield e.position;for(const t of e)yield t.nextPosition}is(t){return"range"==t||"view:range"==t}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}static _createFromParentsAndOffsets(t,e,i,n){return new this(new Zn(t,e),new Zn(i,n))}static _createFromPositionAndShift(t,e){const i=t,n=t.getShiftedBy(e);return e>0?new this(i,n):new this(n,i)}static _createIn(t){return this._createFromParentsAndOffsets(t,0,t,t.childCount)}static _createOn(t){const e=t.is("textProxy")?t.offsetSize:1;return this._createFromPositionAndShift(Zn._createBefore(t),e)}}function to(t){return!(!t.item.is("attributeElement")&&!t.item.is("uiElement"))}function eo(t){let e=0;for(const i of t)e++;return e}class io{constructor(t=null,e,i){this._ranges=[],this._lastRangeBackward=!1,this._isFake=!1,this._fakeSelectionLabel="",this.setTo(t,e,i)}get isFake(){return this._isFake}get fakeSelectionLabel(){return this._fakeSelectionLabel}get anchor(){if(!this._ranges.length)return null;const t=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?t.end:t.start).clone()}get focus(){if(!this._ranges.length)return null;const t=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?t.start:t.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 t of this._ranges)yield t.clone()}getFirstRange(){let t=null;for(const e of this._ranges)t&&!e.start.isBefore(t.start)||(t=e);return t?t.clone():null}getLastRange(){let t=null;for(const e of this._ranges)t&&!e.end.isAfter(t.end)||(t=e);return t?t.clone():null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}isEqual(t){if(this.isFake!=t.isFake)return!1;if(this.isFake&&this.fakeSelectionLabel!=t.fakeSelectionLabel)return!1;if(this.rangeCount!=t.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus))return!1;for(const e of this._ranges){let i=!1;for(const n of t._ranges)if(e.isEqual(n)){i=!0;break}if(!i)return!1}return!0}isSimilar(t){if(this.isBackward!=t.isBackward)return!1;const e=eo(this.getRanges());if(e!=eo(t.getRanges()))return!1;if(0==e)return!0;for(let e of this.getRanges()){e=e.getTrimmed();let i=!1;for(let n of t.getRanges())if(n=n.getTrimmed(),e.start.isEqual(n.start)&&e.end.isEqual(n.end)){i=!0;break}if(!i)return!1}return!0}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}setTo(t,e,i){if(null===t)this._setRanges([]),this._setFakeOptions(e);else if(t instanceof io||t instanceof no)this._setRanges(t.getRanges(),t.isBackward),this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel});else if(t instanceof Xn)this._setRanges([t],e&&e.backward),this._setFakeOptions(e);else if(t instanceof Zn)this._setRanges([new Xn(t)]),this._setFakeOptions(e);else if(t instanceof Ii){const n=!!i&&!!i.backward;let o;if(void 0===e)throw new hi.b("view-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.",this);o="in"==e?Xn._createIn(t):"on"==e?Xn._createOn(t):new Xn(Zn._createAt(t,e)),this._setRanges([o],n),this._setFakeOptions(i)}else{if(!Ri(t))throw new hi.b("view-selection-setTo-not-selectable: Cannot set selection to given place.",this);this._setRanges(t,e&&e.backward),this._setFakeOptions(e)}this.fire("change")}setFocus(t,e){if(null===this.anchor)throw new hi.b("view-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.",this);const i=Zn._createAt(t,e);if("same"==i.compareWith(this.focus))return;const n=this.anchor;this._ranges.pop(),"before"==i.compareWith(n)?this._addRange(new Xn(i,n),!0):this._addRange(new Xn(n,i)),this.fire("change")}is(t){return"selection"==t||"view:selection"==t}_setRanges(t,e=!1){t=Array.from(t),this._ranges=[];for(const e of t)this._addRange(e);this._lastRangeBackward=!!e}_setFakeOptions(t={}){this._isFake=!!t.fake,this._fakeSelectionLabel=t.fake&&t.label||""}_addRange(t,e=!1){if(!(t instanceof Xn))throw new hi.b("view-selection-add-range-not-range: Selection range set to an object that is not an instance of view.Range",this);this._pushRange(t),this._lastRangeBackward=!!e}_pushRange(t){for(const e of this._ranges)if(t.isIntersecting(e))throw new hi.b("view-selection-range-intersects: Trying to add a range that intersects with another range from selection.",this,{addedRange:t,intersectingRange:e});this._ranges.push(new Xn(t.start,t.end))}}vi(io,mi);class no{constructor(t=null,e,i){this._selection=new io,this._selection.delegate("change").to(this),this._selection.setTo(t,e,i)}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(t){return this._selection.isEqual(t)}isSimilar(t){return this._selection.isSimilar(t)}is(t){return"selection"==t||"documentSelection"==t||"view:selection"==t||"view:documentSelection"==t}_setTo(t,e,i){this._selection.setTo(t,e,i)}_setFocus(t,e){this._selection.setFocus(t,e)}}vi(no,mi);class oo{constructor(t){this.selection=new no,this.roots=new yi({idProperty:"rootName"}),this.stylesProcessor=t,this.set("isReadOnly",!1),this.set("isFocused",!1),this.set("isComposing",!1),this._postFixers=new Set}getRoot(t="main"){return this.roots.get(t)}registerPostFixer(t){this._postFixers.add(t)}destroy(){this.roots.map(t=>t.destroy()),this.stopListening()}_callPostFixers(t){let e=!1;do{for(const i of this._postFixers)if(e=i(t),e)break}while(e)}}vi(oo,Un);class ro extends On{constructor(t,e,i,n){super(t,e,i,n),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 hi.b("attribute-element-get-elements-with-same-id-no-id: Cannot get elements with the same id for an attribute element without id.",this);return new Set(this._clonesGroup)}is(t,e=null){const i=t&&t.replace(/^view:/,"");return e?"attributeElement"==i&&e==this.name||super.is(t,e):"attributeElement"==i||super.is(t)}isSimilar(t){return null!==this.id||null!==t.id?this.id===t.id:super.isSimilar(t)&&this.priority==t.priority}_clone(t){const e=super._clone(t);return e._priority=this._priority,e._id=this._id,e}}function so(){if(ao(this))return null;let t=this.parent;for(;t&&t.is("attributeElement");){if(ao(t)>1)return null;t=t.parent}return!t||ao(t)>1?null:this.childCount}function ao(t){return Array.from(t.getChildren()).filter(t=>!t.is("uiElement")).length}ro.DEFAULT_PRIORITY=10;class co extends On{constructor(t,e,i,n){super(t,e,i,n),this.getFillerOffset=lo}is(t,e=null){const i=t.replace(/^view:/,"");return e?"emptyElement"==i&&e==this.name||super.is(t,e):"emptyElement"==i||super.is(t)}_insertChild(t,e){if(e&&(e instanceof 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i=String.fromCharCode(e);t[i.toLowerCase()]=e}for(let e=48;e<=57;e++)t[e-48]=e;for(let e=112;e<=123;e++)t["f"+(e-111)]=e;return t}();function po(t){let e;if("string"==typeof t){if(e=go[t.toLowerCase()],!e)throw new hi.b("keyboard-unknown-key: Unknown key name.",null,{key:t})}else e=t.keyCode+(t.altKey?go.alt:0)+(t.ctrlKey?go.ctrl:0)+(t.shiftKey?go.shift:0);return e}function bo(t){return"string"==typeof t&&(t=ko(t)),t.map(t=>"string"==typeof t?po(t):t).reduce((t,e)=>e+t,0)}function wo(t){return uo.isMac?ko(t).map(t=>mo[t.toLowerCase()]||t).reduce((t,e)=>t.slice(-1)in fo?t+e:t+"+"+e):t}function ko(t){return t.split(/\s*\+\s*/)}class _o extends On{constructor(t,e,i,n){super(t,e,i,n),this.getFillerOffset=yo}is(t,e=null){const i=t.replace(/^view:/,"");return e?"uiElement"==i&&e==this.name||super.is(t,e):"uiElement"==i||super.is(t)}_insertChild(t,e){if(e&&(e instanceof Ii||Array.from(e).length>0))throw new hi.b("view-uielement-cannot-add: Cannot add child nodes to UIElement 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0===this.childCount}get root(){return this}get parent(){return null}is(t){return"documentFragment"==t||"view:documentFragment"==t}_appendChild(t){return this._insertChild(this.childCount,t)}getChild(t){return this._children[t]}getChildIndex(t){return this._children.indexOf(t)}getChildren(){return this._children[Symbol.iterator]()}_insertChild(t,e){this._fireChange("children",this);let i=0;const n=function(t,e){if("string"==typeof e)return[new Ni(t,e)];Ri(e)||(e=[e]);return Array.from(e).map(e=>"string"==typeof e?new Ni(t,e):e instanceof Oi?new Ni(t,e.data):e)}(this.document,e);for(const e of n)null!==e.parent&&e._remove(),e.parent=this,this._children.splice(t,0,e),t++,i++;return i}_removeChildren(t,e=1){this._fireChange("children",this);for(let i=t;i<t+e;i++)this._children[i].parent=null;return this._children.splice(t,e)}_fireChange(t,e){this.fire("change:"+t,e)}}vi(xo,mi);class Ao{constructor(t){this.document=t,this._cloneGroups=new Map}setSelection(t,e,i){this.document.selection._setTo(t,e,i)}setSelectionFocus(t,e){this.document.selection._setFocus(t,e)}createText(t){return new Ni(this.document,t)}createAttributeElement(t,e,i={}){const n=new ro(this.document,t,e);return i.priority&&(n._priority=i.priority),i.id&&(n._id=i.id),n}createContainerElement(t,e){return new Dn(this.document,t,e)}createEditableElement(t,e){const i=new Gn(this.document,t,e);return i._document=this.document,i}createEmptyElement(t,e){return new co(this.document,t,e)}createUIElement(t,e,i){const n=new _o(this.document,t,e);return i&&(n.render=i),n}setAttribute(t,e,i){i._setAttribute(t,e)}removeAttribute(t,e){e._removeAttribute(t)}addClass(t,e){e._addClass(t)}removeClass(t,e){e._removeClass(t)}setStyle(t,e,i){y(t)&&void 0===i&&(i=e),i._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,i){i._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}breakAttributes(t){return t instanceof Zn?this._breakAttributes(t):this._breakAttributesRange(t)}breakContainer(t){const e=t.parent;if(!e.is("containerElement"))throw new hi.b("view-writer-break-non-container-element: Trying to break an element which is not a container element.",this.document);if(!e.parent)throw new hi.b("view-writer-break-root: Trying to break root element.",this.document);if(t.isAtStart)return Zn._createBefore(e);if(!t.isAtEnd){const i=e._clone(!1);this.insert(Zn._createAfter(e),i);const n=new Xn(t,Zn._createAt(e,"end")),o=new Zn(i,0);this.move(n,o)}return Zn._createAfter(e)}mergeAttributes(t){const e=t.offset,i=t.parent;if(i.is("text"))return t;if(i.is("attributeElement")&&0===i.childCount){const t=i.parent,e=i.index;return i._remove(),this._removeFromClonedElementsGroup(i),this.mergeAttributes(new Zn(t,e))}const n=i.getChild(e-1),o=i.getChild(e);if(!n||!o)return t;if(n.is("text")&&o.is("text"))return Mo(n,o);if(n.is("attributeElement")&&o.is("attributeElement")&&n.isSimilar(o)){const t=n.childCount;return n._appendChild(o.getChildren()),o._remove(),this._removeFromClonedElementsGroup(o),this.mergeAttributes(new Zn(n,t))}return t}mergeContainers(t){const e=t.nodeBefore,i=t.nodeAfter;if(!(e&&i&&e.is("containerElement")&&i.is("containerElement")))throw new hi.b("view-writer-merge-containers-invalid-position: Element before and after given position cannot be merged.",this.document);const n=e.getChild(e.childCount-1),o=n instanceof Ni?Zn._createAt(n,"end"):Zn._createAt(e,"end");return this.move(Xn._createIn(i),Zn._createAt(e,"end")),this.remove(Xn._createOn(i)),o}insert(t,e){(function t(e,i){for(const n of e){if(!Eo.some(t=>n instanceof t))throw new hi.b("view-writer-insert-invalid-node",i);n.is("text")||t(n.getChildren(),i)}})(e=Ri(e)?[...e]:[e],this.document);const i=To(t);if(!i)throw new hi.b("view-writer-invalid-position-container",this.document);const n=this._breakAttributes(t,!0),o=i._insertChild(n.offset,e);for(const t of e)this._addToClonedElementsGroup(t);const r=n.getShiftedBy(o),s=this.mergeAttributes(n);if(0===o)return new Xn(s,s);{s.isEqual(n)||r.offset--;const t=this.mergeAttributes(r);return new Xn(s,t)}}remove(t){const e=t instanceof Xn?t:Xn._createOn(t);if(No(e,this.document),e.isCollapsed)return new xo(this.document);const{start:i,end:n}=this._breakAttributesRange(e,!0),o=i.parent,r=n.offset-i.offset,s=o._removeChildren(i.offset,r);for(const t of s)this._removeFromClonedElementsGroup(t);const a=this.mergeAttributes(i);return e.start=a,e.end=a.clone(),new xo(this.document,s)}clear(t,e){No(t,this.document);const i=t.getWalker({direction:"backward",ignoreElementEnd:!0});for(const n of i){const i=n.item;let o;if(i.is("element")&&e.isSimilar(i))o=Xn._createOn(i);else if(!n.nextPosition.isAfter(t.start)&&i.is("textProxy")){const t=i.getAncestors().find(t=>t.is("element")&&e.isSimilar(t));t&&(o=Xn._createIn(t))}o&&(o.end.isAfter(t.end)&&(o.end=t.end),o.start.isBefore(t.start)&&(o.start=t.start),this.remove(o))}}move(t,e){let i;if(e.isAfter(t.end)){const n=(e=this._breakAttributes(e,!0)).parent,o=n.childCount;t=this._breakAttributesRange(t,!0),i=this.remove(t),e.offset+=n.childCount-o}else i=this.remove(t);return this.insert(e,i)}wrap(t,e){if(!(e instanceof ro))throw new hi.b("view-writer-wrap-invalid-attribute",this.document);if(No(t,this.document),t.isCollapsed){let n=t.start;n.parent.is("element")&&(i=n.parent,!Array.from(i.getChildren()).some(t=>!t.is("uiElement")))&&(n=n.getLastMatchingPosition(t=>t.item.is("uiElement"))),n=this._wrapPosition(n,e);const o=this.document.selection;return o.isCollapsed&&o.getFirstPosition().isEqual(t.start)&&this.setSelection(n),new Xn(n)}return this._wrapRange(t,e);var i}unwrap(t,e){if(!(e instanceof ro))throw new hi.b("view-writer-unwrap-invalid-attribute",this.document);if(No(t,this.document),t.isCollapsed)return t;const{start:i,end:n}=this._breakAttributesRange(t,!0),o=i.parent,r=this._unwrapChildren(o,i.offset,n.offset,e),s=this.mergeAttributes(r.start);s.isEqual(r.start)||r.end.offset--;const a=this.mergeAttributes(r.end);return new Xn(s,a)}rename(t,e){const i=new Dn(this.document,t,e.getAttributes());return this.insert(Zn._createAfter(e),i),this.move(Xn._createIn(e),Zn._createAt(i,0)),this.remove(Xn._createOn(e)),i}clearClonedElementsGroup(t){this._cloneGroups.delete(t)}createPositionAt(t,e){return Zn._createAt(t,e)}createPositionAfter(t){return Zn._createAfter(t)}createPositionBefore(t){return Zn._createBefore(t)}createRange(t,e){return new Xn(t,e)}createRangeOn(t){return Xn._createOn(t)}createRangeIn(t){return Xn._createIn(t)}createSelection(t,e,i){return new io(t,e,i)}_wrapChildren(t,e,i,n){let o=e;const r=[];for(;o<i;){const e=t.getChild(o),i=e.is("text"),s=e.is("attributeElement"),a=e.is("emptyElement"),c=e.is("uiElement");if(s&&this._wrapAttributeElement(n,e))r.push(new Zn(t,o));else if(i||a||c||s&&Co(n,e)){const i=n._clone();e._remove(),i._appendChild(e),t._insertChild(o,i),this._addToClonedElementsGroup(i),r.push(new Zn(t,o))}else s&&this._wrapChildren(e,0,e.childCount,n);o++}let s=0;for(const t of r){if(t.offset-=s,t.offset==e)continue;this.mergeAttributes(t).isEqual(t)||(s++,i--)}return Xn._createFromParentsAndOffsets(t,e,t,i)}_unwrapChildren(t,e,i,n){let o=e;const r=[];for(;o<i;){const e=t.getChild(o);if(e.is("attributeElement"))if(e.isSimilar(n)){const n=e.getChildren(),s=e.childCount;e._remove(),t._insertChild(o,n),this._removeFromClonedElementsGroup(e),r.push(new Zn(t,o),new Zn(t,o+s)),o+=s,i+=s-1}else this._unwrapAttributeElement(n,e)?(r.push(new Zn(t,o),new Zn(t,o+1)),o++):(this._unwrapChildren(e,0,e.childCount,n),o++);else o++}let s=0;for(const t of r){if(t.offset-=s,t.offset==e||t.offset==i)continue;this.mergeAttributes(t).isEqual(t)||(s++,i--)}return Xn._createFromParentsAndOffsets(t,e,t,i)}_wrapRange(t,e){const{start:i,end:n}=this._breakAttributesRange(t,!0),o=i.parent,r=this._wrapChildren(o,i.offset,n.offset,e),s=this.mergeAttributes(r.start);s.isEqual(r.start)||r.end.offset--;const a=this.mergeAttributes(r.end);return new Xn(s,a)}_wrapPosition(t,e){if(e.isSimilar(t.parent))return Po(t.clone());t.parent.is("text")&&(t=So(t));const i=this.createAttributeElement();i._priority=Number.POSITIVE_INFINITY,i.isSimilar=()=>!1,t.parent._insertChild(t.offset,i);const n=new Xn(t,t.getShiftedBy(1));this.wrap(n,e);const o=new Zn(i.parent,i.index);i._remove();const r=o.nodeBefore,s=o.nodeAfter;return r instanceof Ni&&s instanceof Ni?Mo(r,s):Po(o)}_wrapAttributeElement(t,e){if(!Oo(t,e))return!1;if(t.name!==e.name||t.priority!==e.priority)return!1;for(const i of t.getAttributeKeys())if("class"!==i&&"style"!==i&&e.hasAttribute(i)&&e.getAttribute(i)!==t.getAttribute(i))return!1;for(const i of t.getStyleNames())if(e.hasStyle(i)&&e.getStyle(i)!==t.getStyle(i))return!1;for(const i of t.getAttributeKeys())"class"!==i&&"style"!==i&&(e.hasAttribute(i)||this.setAttribute(i,t.getAttribute(i),e));for(const i of t.getStyleNames())e.hasStyle(i)||this.setStyle(i,t.getStyle(i),e);for(const i of t.getClassNames())e.hasClass(i)||this.addClass(i,e);return!0}_unwrapAttributeElement(t,e){if(!Oo(t,e))return!1;if(t.name!==e.name||t.priority!==e.priority)return!1;for(const i of t.getAttributeKeys())if("class"!==i&&"style"!==i&&(!e.hasAttribute(i)||e.getAttribute(i)!==t.getAttribute(i)))return!1;if(!e.hasClass(...t.getClassNames()))return!1;for(const i of t.getStyleNames())if(!e.hasStyle(i)||e.getStyle(i)!==t.getStyle(i))return!1;for(const i of t.getAttributeKeys())"class"!==i&&"style"!==i&&this.removeAttribute(i,e);return this.removeClass(Array.from(t.getClassNames()),e),this.removeStyle(Array.from(t.getStyleNames()),e),!0}_breakAttributesRange(t,e=!1){const i=t.start,n=t.end;if(No(t,this.document),t.isCollapsed){const i=this._breakAttributes(t.start,e);return new Xn(i,i)}const o=this._breakAttributes(n,e),r=o.parent.childCount,s=this._breakAttributes(i,e);return o.offset+=o.parent.childCount-r,new Xn(s,o)}_breakAttributes(t,e=!1){const i=t.offset,n=t.parent;if(t.parent.is("emptyElement"))throw new hi.b("view-writer-cannot-break-empty-element",this.document);if(t.parent.is("uiElement"))throw new hi.b("view-writer-cannot-break-ui-element",this.document);if(!e&&n.is("text")&&Io(n.parent))return t.clone();if(Io(n))return t.clone();if(n.is("text"))return this._breakAttributes(So(t),e);if(i==n.childCount){const t=new Zn(n.parent,n.index+1);return this._breakAttributes(t,e)}if(0===i){const t=new Zn(n.parent,n.index);return this._breakAttributes(t,e)}{const t=n.index+1,o=n._clone();n.parent._insertChild(t,o),this._addToClonedElementsGroup(o);const r=n.childCount-i,s=n._removeChildren(i,r);o._appendChild(s);const a=new Zn(n.parent,t);return this._breakAttributes(a,e)}}_addToClonedElementsGroup(t){if(!t.root.is("rootElement"))return;if(t.is("element"))for(const e of t.getChildren())this._addToClonedElementsGroup(e);const e=t.id;if(!e)return;let i=this._cloneGroups.get(e);i||(i=new Set,this._cloneGroups.set(e,i)),i.add(t),t._clonesGroup=i}_removeFromClonedElementsGroup(t){if(t.is("element"))for(const e of t.getChildren())this._removeFromClonedElementsGroup(e);const e=t.id;if(!e)return;const i=this._cloneGroups.get(e);i&&i.delete(t)}}function To(t){let e=t.parent;for(;!Io(e);){if(!e)return;e=e.parent}return e}function Co(t,e){return t.priority<e.priority||!(t.priority>e.priority)&&t.getIdentity()<e.getIdentity()}function Po(t){const e=t.nodeBefore;if(e&&e.is("text"))return new Zn(e,e.data.length);const i=t.nodeAfter;return i&&i.is("text")?new Zn(i,0):t}function So(t){if(t.offset==t.parent.data.length)return new Zn(t.parent.parent,t.parent.index+1);if(0===t.offset)return new Zn(t.parent.parent,t.parent.index);const e=t.parent.data.slice(t.offset);return t.parent._data=t.parent.data.slice(0,t.offset),t.parent.parent._insertChild(t.parent.index+1,new Ni(t.root.document,e)),new Zn(t.parent.parent,t.parent.index+1)}function Mo(t,e){const i=t.data.length;return t._data+=e.data,e._remove(),new Zn(t,i)}const Eo=[Ni,ro,Dn,co,_o];function Io(t){return t&&(t.is("containerElement")||t.is("documentFragment"))}function No(t,e){const i=To(t.start),n=To(t.end);if(!i||!n||i!==n)throw new hi.b("view-writer-invalid-range-container",e)}function Oo(t,e){return null===t.id&&null===e.id}function Ro(t){return"[object Text]"==Object.prototype.toString.call(t)}const Do=t=>t.createTextNode(" "),Lo=t=>{const e=t.createElement("br");return e.dataset.ckeFiller=!0,e},jo=(()=>{let t="";for(let e=0;e<7;e++)t+="​";return t})();function Vo(t){return Ro(t)&&t.data.substr(0,7)===jo}function zo(t){return 7==t.data.length&&Vo(t)}function Bo(t){return Vo(t)?t.data.slice(7):t.data}function Fo(t,e){if(e.keyCode==go.arrowleft){const t=e.domTarget.ownerDocument.defaultView.getSelection();if(1==t.rangeCount&&t.getRangeAt(0).collapsed){const e=t.getRangeAt(0).startContainer,i=t.getRangeAt(0).startOffset;Vo(e)&&i<=7&&t.collapse(e,0)}}}function Uo(t,e,i,n=!1){i=i||function(t,e){return t===e},Array.isArray(t)||(t=Array.from(t)),Array.isArray(e)||(e=Array.from(e));const o=function(t,e,i){const n=Ho(t,e,i);if(-1===n)return{firstIndex:-1,lastIndexOld:-1,lastIndexNew:-1};const o=qo(t,n),r=qo(e,n),s=Ho(o,r,i),a=t.length-s,c=e.length-s;return{firstIndex:n,lastIndexOld:a,lastIndexNew:c}}(t,e,i);return n?function(t,e){const{firstIndex:i,lastIndexOld:n,lastIndexNew:o}=t;if(-1===i)return Array(e).fill("equal");let r=[];i>0&&(r=r.concat(Array(i).fill("equal")));o-i>0&&(r=r.concat(Array(o-i).fill("insert")));n-i>0&&(r=r.concat(Array(n-i).fill("delete")));o<e&&(r=r.concat(Array(e-o).fill("equal")));return r}(o,e.length):function(t,e){const i=[],{firstIndex:n,lastIndexOld:o,lastIndexNew:r}=e;r-n>0&&i.push({index:n,type:"insert",values:t.slice(n,r)});o-n>0&&i.push({index:n+(r-n),type:"delete",howMany:o-n});return i}(e,o)}function Ho(t,e,i){for(let n=0;n<Math.max(t.length,e.length);n++)if(void 0===t[n]||void 0===e[n]||!i(t[n],e[n]))return n;return-1}function qo(t,e){return t.slice(e).reverse()}function Wo(t,e,i){i=i||function(t,e){return t===e};const n=t.length,o=e.length;if(n>200||o>200||n+o>300)return Wo.fastDiff(t,e,i,!0);let r,s;if(o<n){const i=t;t=e,e=i,r="delete",s="insert"}else r="insert",s="delete";const a=t.length,c=e.length,l=c-a,d={},h={};function u(n){const o=(void 0!==h[n-1]?h[n-1]:-1)+1,l=void 0!==h[n+1]?h[n+1]:-1,u=o>l?-1:1;d[n+u]&&(d[n]=d[n+u].slice(0)),d[n]||(d[n]=[]),d[n].push(o>l?r:s);let f=Math.max(o,l),m=f-n;for(;m<a&&f<c&&i(t[m],e[f]);)m++,f++,d[n].push("equal");return f}let f,m=0;do{for(f=-m;f<l;f++)h[f]=u(f);for(f=l+m;f>l;f--)h[f]=u(f);h[l]=u(l),m++}while(h[l]!==c);return d[l].slice(1)}function Yo(t,e,i){t.insertBefore(i,t.childNodes[e]||null)}function $o(t){const e=t.parentNode;e&&e.removeChild(t)}function Go(t){if(t){if(t.defaultView)return t instanceof t.defaultView.Document;if(t.ownerDocument&&t.ownerDocument.defaultView)return t instanceof t.ownerDocument.defaultView.Node}return!1}Wo.fastDiff=Uo;class Qo{constructor(t,e){this.domDocuments=new Set,this.domConverter=t,this.markedAttributes=new Set,this.markedChildren=new Set,this.markedTexts=new Set,this.selection=e,this.isFocused=!1,this._inlineFiller=null,this._fakeSelectionContainer=null}markToSync(t,e){if("text"===t)this.domConverter.mapViewToDom(e.parent)&&this.markedTexts.add(e);else{if(!this.domConverter.mapViewToDom(e))return;if("attributes"===t)this.markedAttributes.add(e);else{if("children"!==t)throw new hi.b("view-renderer-unknown-type: Unknown type passed to Renderer.markToSync.",this);this.markedChildren.add(e)}}}render(){let t;for(const t of this.markedChildren)this._updateChildrenMappings(t);this._inlineFiller&&!this._isSelectionInInlineFiller()&&this._removeInlineFiller(),this._inlineFiller?t=this._getInlineFillerPosition():this._needsInlineFillerAtSelection()&&(t=this.selection.getFirstPosition(),this.markedChildren.add(t.parent));for(const t of this.markedAttributes)this._updateAttrs(t);for(const e of this.markedChildren)this._updateChildren(e,{inlineFillerPosition:t});for(const e of this.markedTexts)!this.markedChildren.has(e.parent)&&this.domConverter.mapViewToDom(e.parent)&&this._updateText(e,{inlineFillerPosition:t});if(t){const e=this.domConverter.viewPositionToDom(t),i=e.parent.ownerDocument;Vo(e.parent)?this._inlineFiller=e.parent:this._inlineFiller=Ko(i,e.parent,e.offset)}else this._inlineFiller=null;this._updateSelection(),this._updateFocus(),this.markedTexts.clear(),this.markedAttributes.clear(),this.markedChildren.clear()}_updateChildrenMappings(t){const e=this.domConverter.mapViewToDom(t);if(!e)return;const i=this.domConverter.mapViewToDom(t).childNodes,n=Array.from(this.domConverter.viewChildrenToDom(t,e.ownerDocument,{withChildren:!1})),o=this._diffNodeLists(i,n),r=this._findReplaceActions(o,i,n);if(-1!==r.indexOf("replace")){const e={equal:0,insert:0,delete:0};for(const o of r)if("replace"===o){const o=e.equal+e.insert,r=e.equal+e.delete,s=t.getChild(o);s&&!s.is("uiElement")&&this._updateElementMappings(s,i[r]),$o(n[o]),e.equal++}else e[o]++}}_updateElementMappings(t,e){this.domConverter.unbindDomElement(e),this.domConverter.bindElements(e,t),this.markedChildren.add(t),this.markedAttributes.add(t)}_getInlineFillerPosition(){const t=this.selection.getFirstPosition();return t.parent.is("text")?Zn._createBefore(this.selection.getFirstPosition().parent):t}_isSelectionInInlineFiller(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const t=this.selection.getFirstPosition(),e=this.domConverter.viewPositionToDom(t);return!!(e&&Ro(e.parent)&&Vo(e.parent))}_removeInlineFiller(){const t=this._inlineFiller;if(!Vo(t))throw new hi.b("view-renderer-filler-was-lost: The inline filler node was lost.",this);zo(t)?t.parentNode.removeChild(t):t.data=t.data.substr(7),this._inlineFiller=null}_needsInlineFillerAtSelection(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const t=this.selection.getFirstPosition(),e=t.parent,i=t.offset;if(!this.domConverter.mapViewToDom(e.root))return!1;if(!e.is("element"))return!1;if(!function(t){if("false"==t.getAttribute("contenteditable"))return!1;const e=t.findAncestor(t=>t.hasAttribute("contenteditable"));return!e||"true"==e.getAttribute("contenteditable")}(e))return!1;if(i===e.getFillerOffset())return!1;const n=t.nodeBefore,o=t.nodeAfter;return!(n instanceof Ni||o instanceof Ni)}_updateText(t,e){const i=this.domConverter.findCorrespondingDomText(t),n=this.domConverter.viewToDom(t,i.ownerDocument),o=i.data;let r=n.data;const s=e.inlineFillerPosition;if(s&&s.parent==t.parent&&s.offset==t.index&&(r=jo+r),o!=r){const t=Uo(o,r);for(const e of t)"insert"===e.type?i.insertData(e.index,e.values.join("")):i.deleteData(e.index,e.howMany)}}_updateAttrs(t){const e=this.domConverter.mapViewToDom(t);if(!e)return;const i=Array.from(e.attributes).map(t=>t.name),n=t.getAttributeKeys();for(const i of n)e.setAttribute(i,t.getAttribute(i));for(const n of i)t.hasAttribute(n)||e.removeAttribute(n)}_updateChildren(t,e){const i=this.domConverter.mapViewToDom(t);if(!i)return;const n=e.inlineFillerPosition,o=this.domConverter.mapViewToDom(t).childNodes,r=Array.from(this.domConverter.viewChildrenToDom(t,i.ownerDocument,{bind:!0,inlineFillerPosition:n}));n&&n.parent===t&&Ko(i.ownerDocument,r,n.offset);const s=this._diffNodeLists(o,r);let a=0;const c=new Set;for(const t of s)"delete"===t?(c.add(o[a]),$o(o[a])):"equal"===t&&a++;a=0;for(const t of s)"insert"===t?(Yo(i,a,r[a]),a++):"equal"===t&&(this._markDescendantTextToSync(this.domConverter.domToView(r[a])),a++);for(const t of c)t.parentNode||this.domConverter.unbindDomElement(t)}_diffNodeLists(t,e){return Wo(t=function(t,e){const i=Array.from(t);if(0==i.length||!e)return i;i[i.length-1]==e&&i.pop();return i}(t,this._fakeSelectionContainer),e,Zo.bind(null,this.domConverter))}_findReplaceActions(t,e,i){if(-1===t.indexOf("insert")||-1===t.indexOf("delete"))return t;let n=[],o=[],r=[];const s={equal:0,insert:0,delete:0};for(const a of t)"insert"===a?r.push(i[s.equal+s.insert]):"delete"===a?o.push(e[s.equal+s.delete]):(n=n.concat(Wo(o,r,Jo).map(t=>"equal"===t?"replace":t)),n.push("equal"),o=[],r=[]),s[a]++;return n.concat(Wo(o,r,Jo).map(t=>"equal"===t?"replace":t))}_markDescendantTextToSync(t){if(t)if(t.is("text"))this.markedTexts.add(t);else if(t.is("element"))for(const e of t.getChildren())this._markDescendantTextToSync(e)}_updateSelection(){if(0===this.selection.rangeCount)return this._removeDomSelection(),void this._removeFakeSelection();const t=this.domConverter.mapViewToDom(this.selection.editableElement);this.isFocused&&t&&(this.selection.isFake?this._updateFakeSelection(t):(this._removeFakeSelection(),this._updateDomSelection(t)))}_updateFakeSelection(t){const e=t.ownerDocument;this._fakeSelectionContainer||(this._fakeSelectionContainer=function(t){const e=t.createElement("div");return Object.assign(e.style,{position:"fixed",top:0,left:"-9999px",width:"42px"}),e.textContent=" ",e}(e));const i=this._fakeSelectionContainer;if(this.domConverter.bindFakeSelection(i,this.selection),!this._fakeSelectionNeedsUpdate(t))return;i.parentElement&&i.parentElement==t||t.appendChild(i),i.textContent=this.selection.fakeSelectionLabel||" ";const n=e.getSelection(),o=e.createRange();n.removeAllRanges(),o.selectNodeContents(i),n.addRange(o)}_updateDomSelection(t){const e=t.ownerDocument.defaultView.getSelection();if(!this._domSelectionNeedsUpdate(e))return;const i=this.domConverter.viewPositionToDom(this.selection.anchor),n=this.domConverter.viewPositionToDom(this.selection.focus);t.focus(),e.collapse(i.parent,i.offset),e.extend(n.parent,n.offset),uo.isGecko&&function(t,e){const i=t.parent;if(i.nodeType!=Node.ELEMENT_NODE||t.offset!=i.childNodes.length-1)return;const n=i.childNodes[t.offset];n&&"BR"==n.tagName&&e.addRange(e.getRangeAt(0))}(n,e)}_domSelectionNeedsUpdate(t){if(!this.domConverter.isDomSelectionCorrect(t))return!0;const e=t&&this.domConverter.domSelectionToView(t);return(!e||!this.selection.isEqual(e))&&!(!this.selection.isCollapsed&&this.selection.isSimilar(e))}_fakeSelectionNeedsUpdate(t){const e=this._fakeSelectionContainer,i=t.ownerDocument.getSelection();return!e||e.parentElement!==t||(i.anchorNode!==e&&!e.contains(i.anchorNode)||e.textContent!==this.selection.fakeSelectionLabel)}_removeDomSelection(){for(const t of this.domDocuments){if(t.getSelection().rangeCount){const e=t.activeElement,i=this.domConverter.mapDomToView(e);e&&i&&t.getSelection().removeAllRanges()}}}_removeFakeSelection(){const t=this._fakeSelectionContainer;t&&t.remove()}_updateFocus(){if(this.isFocused){const t=this.selection.editableElement;t&&this.domConverter.focus(t)}}}function Ko(t,e,i){const n=e instanceof Array?e:e.childNodes,o=n[i];if(Ro(o))return o.data=jo+o.data,o;{const o=t.createTextNode(jo);return Array.isArray(e)?n.splice(i,0,o):Yo(e,i,o),o}}function Jo(t,e){return Go(t)&&Go(e)&&!Ro(t)&&!Ro(e)&&t.tagName.toLowerCase()===e.tagName.toLowerCase()}function Zo(t,e,i){return e===i||(Ro(e)&&Ro(i)?e.data===i.data:!(!t.isBlockFiller(e)||!t.isBlockFiller(i)))}vi(Qo,Un);var Xo={window:window,document:document};function tr(t){let e=0;for(;t.previousSibling;)t=t.previousSibling,e++;return e}function er(t){const e=[];for(;t&&t.nodeType!=Node.DOCUMENT_NODE;)e.unshift(t),t=t.parentNode;return e}const ir=Lo(document);class nr{constructor(t,e={}){this.document=t,this.blockFillerMode=e.blockFillerMode||"br",this.preElements=["pre"],this.blockElements=["p","div","h1","h2","h3","h4","h5","h6","li","dd","dt","figcaption"],this._blockFiller="br"==this.blockFillerMode?Lo:Do,this._domToViewMapping=new WeakMap,this._viewToDomMapping=new WeakMap,this._fakeSelectionMapping=new WeakMap}bindFakeSelection(t,e){this._fakeSelectionMapping.set(t,new io(e))}fakeSelectionToView(t){return this._fakeSelectionMapping.get(t)}bindElements(t,e){this._domToViewMapping.set(t,e),this._viewToDomMapping.set(e,t)}unbindDomElement(t){const e=this._domToViewMapping.get(t);if(e){this._domToViewMapping.delete(t),this._viewToDomMapping.delete(e);for(const e of Array.from(t.childNodes))this.unbindDomElement(e)}}bindDocumentFragments(t,e){this._domToViewMapping.set(t,e),this._viewToDomMapping.set(e,t)}viewToDom(t,e,i={}){if(t.is("text")){const i=this._processDataFromViewText(t);return e.createTextNode(i)}{if(this.mapViewToDom(t))return this.mapViewToDom(t);let n;if(t.is("documentFragment"))n=e.createDocumentFragment(),i.bind&&this.bindDocumentFragments(n,t);else{if(t.is("uiElement"))return n=t.render(e),i.bind&&this.bindElements(n,t),n;n=t.hasAttribute("xmlns")?e.createElementNS(t.getAttribute("xmlns"),t.name):e.createElement(t.name),i.bind&&this.bindElements(n,t);for(const e of t.getAttributeKeys())n.setAttribute(e,t.getAttribute(e))}if(i.withChildren||void 0===i.withChildren)for(const o of this.viewChildrenToDom(t,e,i))n.appendChild(o);return n}}*viewChildrenToDom(t,e,i={}){const n=t.getFillerOffset&&t.getFillerOffset();let o=0;for(const r of t.getChildren())n===o&&(yield this._blockFiller(e)),yield this.viewToDom(r,e,i),o++;n===o&&(yield this._blockFiller(e))}viewRangeToDom(t){const e=this.viewPositionToDom(t.start),i=this.viewPositionToDom(t.end),n=document.createRange();return n.setStart(e.parent,e.offset),n.setEnd(i.parent,i.offset),n}viewPositionToDom(t){const e=t.parent;if(e.is("text")){const i=this.findCorrespondingDomText(e);if(!i)return null;let n=t.offset;return Vo(i)&&(n+=7),{parent:i,offset:n}}{let i,n,o;if(0===t.offset){if(i=this.mapViewToDom(e),!i)return null;o=i.childNodes[0]}else{const e=t.nodeBefore;if(n=e.is("text")?this.findCorrespondingDomText(e):this.mapViewToDom(t.nodeBefore),!n)return null;i=n.parentNode,o=n.nextSibling}if(Ro(o)&&Vo(o))return{parent:o,offset:7};return{parent:i,offset:n?tr(n)+1:0}}}domToView(t,e={}){if(this.isBlockFiller(t,this.blockFillerMode))return null;const i=this.getParentUIElement(t,this._domToViewMapping);if(i)return i;if(Ro(t)){if(zo(t))return null;{const e=this._processDataFromDomText(t);return""===e?null:new Ni(this.document,e)}}if(this.isComment(t))return null;{if(this.mapDomToView(t))return this.mapDomToView(t);let i;if(this.isDocumentFragment(t))i=new xo(this.document),e.bind&&this.bindDocumentFragments(t,i);else{const n=e.keepOriginalCase?t.tagName:t.tagName.toLowerCase();i=new On(this.document,n),e.bind&&this.bindElements(t,i);const o=t.attributes;for(let t=o.length-1;t>=0;t--)i._setAttribute(o[t].name,o[t].value)}if(e.withChildren||void 0===e.withChildren)for(const n of this.domChildrenToView(t,e))i._appendChild(n);return i}}*domChildrenToView(t,e={}){for(let i=0;i<t.childNodes.length;i++){const n=t.childNodes[i],o=this.domToView(n,e);null!==o&&(yield o)}}domSelectionToView(t){if(1===t.rangeCount){let e=t.getRangeAt(0).startContainer;Ro(e)&&(e=e.parentNode);const i=this.fakeSelectionToView(e);if(i)return i}const e=this.isDomSelectionBackward(t),i=[];for(let e=0;e<t.rangeCount;e++){const n=t.getRangeAt(e),o=this.domRangeToView(n);o&&i.push(o)}return new io(i,{backward:e})}domRangeToView(t){const e=this.domPositionToView(t.startContainer,t.startOffset),i=this.domPositionToView(t.endContainer,t.endOffset);return e&&i?new Xn(e,i):null}domPositionToView(t,e){if(this.isBlockFiller(t,this.blockFillerMode))return this.domPositionToView(t.parentNode,tr(t));const i=this.mapDomToView(t);if(i&&i.is("uiElement"))return Zn._createBefore(i);if(Ro(t)){if(zo(t))return this.domPositionToView(t.parentNode,tr(t));const i=this.findCorrespondingViewText(t);let n=e;return i?(Vo(t)&&(n-=7,n=n<0?0:n),new Zn(i,n)):null}if(0===e){const e=this.mapDomToView(t);if(e)return new Zn(e,0)}else{const i=t.childNodes[e-1],n=Ro(i)?this.findCorrespondingViewText(i):this.mapDomToView(i);if(n&&n.parent)return new Zn(n.parent,n.index+1)}return null}mapDomToView(t){return this.getParentUIElement(t)||this._domToViewMapping.get(t)}findCorrespondingViewText(t){if(zo(t))return null;const e=this.getParentUIElement(t);if(e)return e;const i=t.previousSibling;if(i){if(!this.isElement(i))return null;const t=this.mapDomToView(i);if(t){return t.nextSibling instanceof Ni?t.nextSibling:null}}else{const e=this.mapDomToView(t.parentNode);if(e){const t=e.getChild(0);return t instanceof Ni?t:null}}return null}mapViewToDom(t){return this._viewToDomMapping.get(t)}findCorrespondingDomText(t){const e=t.previousSibling;return e&&this.mapViewToDom(e)?this.mapViewToDom(e).nextSibling:!e&&t.parent&&this.mapViewToDom(t.parent)?this.mapViewToDom(t.parent).childNodes[0]:null}focus(t){const e=this.mapViewToDom(t);if(e&&e.ownerDocument.activeElement!==e){const{scrollX:t,scrollY:i}=Xo.window,n=[];rr(e,t=>{const{scrollLeft:e,scrollTop:i}=t;n.push([e,i])}),e.focus(),rr(e,t=>{const[e,i]=n.shift();t.scrollLeft=e,t.scrollTop=i}),Xo.window.scrollTo(t,i)}}isElement(t){return t&&t.nodeType==Node.ELEMENT_NODE}isDocumentFragment(t){return t&&t.nodeType==Node.DOCUMENT_FRAGMENT_NODE}isComment(t){return t&&t.nodeType==Node.COMMENT_NODE}isBlockFiller(t){return"br"==this.blockFillerMode?t.isEqualNode(ir):!("BR"!==t.tagName||!sr(t,this.blockElements)||1!==t.parentNode.childNodes.length)||function(t,e){return Ro(t)&&" "==t.data&&sr(t,e)&&1===t.parentNode.childNodes.length}(t,this.blockElements)}isDomSelectionBackward(t){if(t.isCollapsed)return!1;const e=document.createRange();e.setStart(t.anchorNode,t.anchorOffset),e.setEnd(t.focusNode,t.focusOffset);const i=e.collapsed;return e.detach(),i}getParentUIElement(t){const e=er(t);for(e.pop();e.length;){const t=e.pop(),i=this._domToViewMapping.get(t);if(i&&i.is("uiElement"))return i}return null}isDomSelectionCorrect(t){return this._isDomSelectionPositionCorrect(t.anchorNode,t.anchorOffset)&&this._isDomSelectionPositionCorrect(t.focusNode,t.focusOffset)}_isDomSelectionPositionCorrect(t,e){if(Ro(t)&&Vo(t)&&e<7)return!1;if(this.isElement(t)&&Vo(t.childNodes[e]))return!1;const i=this.mapDomToView(t);return!i||!i.is("uiElement")}_processDataFromViewText(t){let e=t.data;if(t.getAncestors().some(t=>this.preElements.includes(t.name)))return e;if(" "==e.charAt(0)){const i=this._getTouchingViewTextNode(t,!1);!(i&&this._nodeEndsWithSpace(i))&&i||(e=" "+e.substr(1))}if(" "==e.charAt(e.length-1)){const i=this._getTouchingViewTextNode(t,!0);" "!=e.charAt(e.length-2)&&i&&" "!=i.data.charAt(0)||(e=e.substr(0,e.length-1)+" ")}return e.replace(/ {2}/g,"  ")}_nodeEndsWithSpace(t){if(t.getAncestors().some(t=>this.preElements.includes(t.name)))return!1;const e=this._processDataFromViewText(t);return" "==e.charAt(e.length-1)}_processDataFromDomText(t){let e=t.data;if(or(t,this.preElements))return Bo(t);e=e.replace(/[ \n\t\r]{1,}/g," ");const i=this._getTouchingInlineDomNode(t,!1),n=this._getTouchingInlineDomNode(t,!0),o=this._checkShouldLeftTrimDomText(i),r=this._checkShouldRightTrimDomText(t,n);return o&&(e=e.replace(/^ /,"")),r&&(e=e.replace(/ $/,"")),e=Bo(new 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t=e.mapDomToView(i.target);if(t&&t.is("uiElement"))continue;t&&!this._isBogusBrMutation(i)&&n.add(t)}for(const o of t){const t=e.mapDomToView(o.target);if((!t||!t.is("uiElement"))&&"characterData"===o.type){const t=e.findCorrespondingViewText(o.target);t&&!n.has(t.parent)?i.set(t,{type:"text",oldText:t.data,newText:Bo(o.target),node:t}):!t&&Vo(o.target)&&n.add(e.mapDomToView(o.target.parentNode))}}const o=[];for(const t of i.values())this.renderer.markToSync("text",t.node),o.push(t);for(const t of n){const i=e.mapViewToDom(t),n=Array.from(t.getChildren()),r=Array.from(e.domChildrenToView(i,{withChildren:!1}));Mr(n,r,a)||(this.renderer.markToSync("children",t),o.push({type:"children",oldChildren:n,newChildren:r,node:t}))}const r=t[0].target.ownerDocument.getSelection();let s=null;if(r&&r.anchorNode){const t=e.domPositionToView(r.anchorNode,r.anchorOffset),i=e.domPositionToView(r.focusNode,r.focusOffset);t&&i&&(s=new io(t),s.setFocus(i))}function a(t,e){if(!Array.isArray(t))return 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e,i,n;if(ar(t))e=t.innerWidth-t.document.documentElement.clientWidth,i=t.innerHeight-t.document.documentElement.clientHeight,n=t.getComputedStyle(t.document.documentElement).direction;else{const o=Kr(this._source);e=t.offsetWidth-t.clientWidth-o.left-o.right,i=t.offsetHeight-t.clientHeight-o.top-o.bottom,n=t.ownerDocument.defaultView.getComputedStyle(t).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-=e,"ltr"===n?this.right-=e:this.left+=e,this.height-=i,this.bottom-=i,this}static getDomRangeRects(t){const e=[],i=Array.from(t.getClientRects());if(i.length)for(const t of i)e.push(new Zr(t));else{let i=t.startContainer;Ro(i)&&(i=i.parentNode);const n=new Zr(i.getBoundingClientRect());n.right=n.left,n.width=0,e.push(n)}return e}}function Xr(t,e){for(const i of Jr)t[i]=e[i]}function ts(t){return!!ii(t)&&t===t.ownerDocument.body}function es({target:t,viewportOffset:e=0}){const i=cs(t);let n=i,o=null;for(;n;){let r;r=ls(n==i?t:o),ns(r,()=>ds(t,n));const s=ds(t,n);if(is(n,s,e),n.parent!=n){if(o=n.frameElement,n=n.parent,!o)return}else n=null}}function is(t,e,i){const n=e.clone().moveBy(0,i),o=e.clone().moveBy(0,-i),r=new Zr(t).excludeScrollbarsAndBorders();if(![o,n].every(t=>r.contains(t))){let{scrollX:s,scrollY:a}=t;rs(o,r)?a-=r.top-e.top+i:os(n,r)&&(a+=e.bottom-r.bottom+i),ss(e,r)?s-=r.left-e.left+i:as(e,r)&&(s+=e.right-r.right+i),t.scrollTo(s,a)}}function ns(t,e){const i=cs(t);let n,o;for(;t!=i.document.body;)o=e(),n=new Zr(t).excludeScrollbarsAndBorders(),n.contains(o)||(rs(o,n)?t.scrollTop-=n.top-o.top:os(o,n)&&(t.scrollTop+=o.bottom-n.bottom),ss(o,n)?t.scrollLeft-=n.left-o.left:as(o,n)&&(t.scrollLeft+=o.right-n.right)),t=t.parentNode}function os(t,e){return t.bottom>e.bottom}function rs(t,e){return t.top<e.top}function ss(t,e){return t.left<e.left}function as(t,e){return t.right>e.right}function cs(t){return Qr(t)?t.startContainer.ownerDocument.defaultView:t.ownerDocument.defaultView}function ls(t){if(Qr(t)){let e=t.commonAncestorContainer;return Ro(e)&&(e=e.parentNode),e}return t.parentNode}function ds(t,e){const i=cs(t),n=new Zr(t);if(i===e)return n;{let t=i;for(;t!=e;){const e=t.frameElement,i=new Zr(e).excludeScrollbarsAndBorders();n.moveBy(i.left,i.top),t=t.parent}}return n}Object.assign({},{scrollViewportToShowTarget:es,scrollAncestorsToShowTarget:function(t){ns(ls(t),()=>new Zr(t))}});class hs{constructor(t){this.document=new oo(t),this.domConverter=new nr(this.document),this.domRoots=new Map,this.set("isRenderingInProgress",!1),this._renderer=new Qo(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 Ao(this.document),this.addObserver(Er),this.addObserver(Wr),this.addObserver(Yr),this.addObserver(Or),this.addObserver(qr),this.addObserver($r),uo.isAndroid&&this.addObserver(Gr),this.document.on("keydown",Fo),vo(this),this.on("render",()=>{this._render(),this.document.fire("layoutChanged"),this._hasChangedSinceTheLastRendering=!1}),this.listenTo(this.document.selection,"change",()=>{this._hasChangedSinceTheLastRendering=!0})}attachDomRoot(t,e="main"){const i=this.document.getRoot(e);i._name=t.tagName.toLowerCase();const n={};for(const{name:e,value:o}of Array.from(t.attributes))n[e]=o,"class"===e?this._writer.addClass(o.split(" "),i):this._writer.setAttribute(e,o,i);this._initialDomRootAttributes.set(t,n);const o=()=>{this._writer.setAttribute("contenteditable",!i.isReadOnly,i),i.isReadOnly?this._writer.addClass("ck-read-only",i):this._writer.removeClass("ck-read-only",i)};o(),this.domRoots.set(e,t),this.domConverter.bindElements(t,i),this._renderer.markToSync("children",i),this._renderer.markToSync("attributes",i),this._renderer.domDocuments.add(t.ownerDocument),i.on("change:children",(t,e)=>this._renderer.markToSync("children",e)),i.on("change:attributes",(t,e)=>this._renderer.markToSync("attributes",e)),i.on("change:text",(t,e)=>this._renderer.markToSync("text",e)),i.on("change:isReadOnly",()=>this.change(o)),i.on("change",()=>{this._hasChangedSinceTheLastRendering=!0});for(const i of this._observers.values())i.observe(t,e)}detachDomRoot(t){const e=this.domRoots.get(t);Array.from(e.attributes).forEach(({name:t})=>e.removeAttribute(t));const i=this._initialDomRootAttributes.get(e);for(const t in i)e.setAttribute(t,i[t]);this.domRoots.delete(t),this.domConverter.unbindDomElement(e)}getDomRoot(t="main"){return this.domRoots.get(t)}addObserver(t){let e=this._observers.get(t);if(e)return e;e=new t(this),this._observers.set(t,e);for(const[t,i]of this.domRoots)e.observe(i,t);return e.enable(),e}getObserver(t){return this._observers.get(t)}disableObservers(){for(const t of this._observers.values())t.disable()}enableObservers(){for(const t of this._observers.values())t.enable()}scrollToTheSelection(){const t=this.document.selection.getFirstRange();t&&es({target:this.domConverter.viewRangeToDom(t),viewportOffset:20})}focus(){if(!this.document.isFocused){const t=this.document.selection.editableElement;t&&(this.domConverter.focus(t),this.forceRender())}}change(t){if(this.isRenderingInProgress||this._postFixersInProgress)throw new hi.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 t(this._writer);this._ongoingChange=!0;const e=t(this._writer);return this._ongoingChange=!1,!this._renderingDisabled&&this._hasChangedSinceTheLastRendering&&(this._postFixersInProgress=!0,this.document._callPostFixers(this._writer),this._postFixersInProgress=!1,this.fire("render")),e}catch(t){hi.b.rethrowUnexpectedError(t,this)}}forceRender(){this._hasChangedSinceTheLastRendering=!0,this.change(()=>{})}destroy(){for(const t of this._observers.values())t.destroy();this.document.destroy(),this.stopListening()}createPositionAt(t,e){return Zn._createAt(t,e)}createPositionAfter(t){return Zn._createAfter(t)}createPositionBefore(t){return Zn._createBefore(t)}createRange(t,e){return new Xn(t,e)}createRangeOn(t){return Xn._createOn(t)}createRangeIn(t){return Xn._createIn(t)}createSelection(t,e,i){return new io(t,e,i)}_disableRendering(t){this._renderingDisabled=t,0==t&&this.change(()=>{})}_render(){this.isRenderingInProgress=!0,this.disableObservers(),this._renderer.render(),this.enableObservers(),this.isRenderingInProgress=!1}}vi(hs,Un);class us{constructor(t){this.parent=null,this._attrs=Di(t)}get index(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildIndex(this)))throw new hi.b("model-node-not-found-in-parent: The node's parent does not contain this node.",this);return t}get startOffset(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildStartOffset(this)))throw new hi.b("model-node-not-found-in-parent: The node's parent does not contain this node.",this);return t}get offsetSize(){return 1}get endOffset(){return this.parent?this.startOffset+this.offsetSize:null}get nextSibling(){const t=this.index;return null!==t&&this.parent.getChild(t+1)||null}get previousSibling(){const t=this.index;return null!==t&&this.parent.getChild(t-1)||null}get root(){let t=this;for(;t.parent;)t=t.parent;return t}isAttached(){return this.root.is("rootElement")}getPath(){const t=[];let e=this;for(;e.parent;)t.unshift(e.startOffset),e=e.parent;return t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let i=t.includeSelf?this:this.parent;for(;i;)e[t.parentFirst?"push":"unshift"](i),i=i.parent;return e}getCommonAncestor(t,e={}){const i=this.getAncestors(e),n=t.getAncestors(e);let o=0;for(;i[o]==n[o]&&i[o];)o++;return 0===o?null:i[o-1]}isBefore(t){if(this==t)return!1;if(this.root!==t.root)return!1;const e=this.getPath(),i=t.getPath(),n=Mi(e,i);switch(n){case"prefix":return!0;case"extension":return!1;default:return e[n]<i[n]}}isAfter(t){return this!=t&&(this.root===t.root&&!this.isBefore(t))}hasAttribute(t){return this._attrs.has(t)}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}toJSON(){const t={};return this._attrs.size&&(t.attributes=Array.from(this._attrs).reduce((t,e)=>(t[e[0]]=e[1],t),{})),t}is(t){return"node"==t||"model:node"==t}_clone(){return new us(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(t,e){this._attrs.set(t,e)}_setAttributesTo(t){this._attrs=Di(t)}_removeAttribute(t){return this._attrs.delete(t)}_clearAttributes(){this._attrs.clear()}}class fs extends us{constructor(t,e){super(e),this._data=t||""}get offsetSize(){return this.data.length}get data(){return this._data}is(t){return"text"==t||"model:text"==t||super.is(t)}toJSON(){const t=super.toJSON();return t.data=this.data,t}_clone(){return new fs(this.data,this.getAttributes())}static fromJSON(t){return new fs(t.data,t.attributes)}}class ms{constructor(t,e,i){if(this.textNode=t,e<0||e>t.offsetSize)throw new hi.b("model-textproxy-wrong-offsetintext: Given offsetInText value is incorrect.",this);if(i<0||e+i>t.offsetSize)throw new hi.b("model-textproxy-wrong-length: Given length value is incorrect.",this);this.data=t.data.substring(e,e+i),this.offsetInText=e}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(t){return"textProxy"==t||"model:textProxy"==t}getPath(){const t=this.textNode.getPath();return t.length>0&&(t[t.length-1]+=this.offsetInText),t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let i=t.includeSelf?this:this.parent;for(;i;)e[t.parentFirst?"push":"unshift"](i),i=i.parent;return e}hasAttribute(t){return this.textNode.hasAttribute(t)}getAttribute(t){return this.textNode.getAttribute(t)}getAttributes(){return this.textNode.getAttributes()}getAttributeKeys(){return this.textNode.getAttributeKeys()}}class gs{constructor(t){this._nodes=[],t&&this._insertNodes(0,t)}[Symbol.iterator](){return this._nodes[Symbol.iterator]()}get length(){return this._nodes.length}get maxOffset(){return this._nodes.reduce((t,e)=>t+e.offsetSize,0)}getNode(t){return this._nodes[t]||null}getNodeIndex(t){const e=this._nodes.indexOf(t);return-1==e?null:e}getNodeStartOffset(t){const e=this.getNodeIndex(t);return null===e?null:this._nodes.slice(0,e).reduce((t,e)=>t+e.offsetSize,0)}indexToOffset(t){if(t==this._nodes.length)return this.maxOffset;const e=this._nodes[t];if(!e)throw new hi.b("model-nodelist-index-out-of-bounds: Given index cannot be found in the node list.",this);return this.getNodeStartOffset(e)}offsetToIndex(t){let e=0;for(const i of this._nodes){if(t>=e&&t<e+i.offsetSize)return this.getNodeIndex(i);e+=i.offsetSize}if(e!=t)throw new hi.b("model-nodelist-offset-out-of-bounds: Given offset cannot be found in the node list.",this,{offset:t,nodeList:this});return this.length}_insertNodes(t,e){for(const t of e)if(!(t instanceof us))throw new hi.b("model-nodelist-insertNodes-not-node: Trying to insert an object which is not a Node instance.",this);this._nodes.splice(t,0,...e)}_removeNodes(t,e=1){return this._nodes.splice(t,e)}toJSON(){return this._nodes.map(t=>t.toJSON())}}class ps extends us{constructor(t,e,i){super(e),this.name=t,this._children=new gs,i&&this._insertChild(0,i)}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}is(t,e=null){const i=t.replace(/^model:/,"");return e?"element"==i&&e==this.name:"element"==i||i==this.name||super.is(t)}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}offsetToIndex(t){return this._children.offsetToIndex(t)}getNodeByPath(t){let e=this;for(const i of t)e=e.getChild(e.offsetToIndex(i));return e}toJSON(){const t=super.toJSON();if(t.name=this.name,this._children.length>0){t.children=[];for(const e of this._children)t.children.push(e.toJSON())}return t}_clone(t=!1){const e=t?Array.from(this._children).map(t=>t._clone(!0)):null;return new ps(this.name,this.getAttributes(),e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const i=function(t){if("string"==typeof t)return[new fs(t)];Ri(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new fs(t):t instanceof ms?new fs(t.data,t.getAttributes()):t)}(e);for(const t of i)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,i)}_removeChildren(t,e=1){const i=this._children._removeNodes(t,e);for(const t of i)t.parent=null;return i}static fromJSON(t){let e=null;if(t.children){e=[];for(const i of t.children)i.name?e.push(ps.fromJSON(i)):e.push(fs.fromJSON(i))}return new ps(t.name,t.attributes,e)}}class bs{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new hi.b("model-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.",null);const e=t.direction||"forward";if("forward"!=e&&"backward"!=e)throw new hi.b("model-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.",t,{direction:e});this.direction=e,this.boundaries=t.boundaries||null,t.startPosition?this.position=t.startPosition.clone():this.position=ks._createAt(this.boundaries["backward"==this.direction?"end":"start"]),this.position.stickiness="toNone",this.singleCharacters=!!t.singleCharacters,this.shallow=!!t.shallow,this.ignoreElementEnd=!!t.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(t){let e,i,n,o;do{n=this.position,o=this._visitedParent,({done:e,value:i}=this.next())}while(!e&&t(i));e||(this.position=n,this._visitedParent=o)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){const t=this.position,e=this.position.clone(),i=this._visitedParent;if(null===i.parent&&e.offset===i.maxOffset)return{done:!0};if(i===this._boundaryEndParent&&e.offset==this.boundaries.end.offset)return{done:!0};const n=e.textNode?e.textNode:e.nodeAfter;if(n instanceof ps)return this.shallow?e.offset++:(e.path.push(0),this._visitedParent=n),this.position=e,ws("elementStart",n,t,e,1);if(n instanceof fs){let o;if(this.singleCharacters)o=1;else{let t=n.endOffset;this._boundaryEndParent==i&&this.boundaries.end.offset<t&&(t=this.boundaries.end.offset),o=t-e.offset}const r=e.offset-n.startOffset,s=new ms(n,r,o);return e.offset+=o,this.position=e,ws("text",s,t,e,o)}return e.path.pop(),e.offset++,this.position=e,this._visitedParent=i.parent,this.ignoreElementEnd?this._next():ws("elementEnd",i,t,e)}_previous(){const t=this.position,e=this.position.clone(),i=this._visitedParent;if(null===i.parent&&0===e.offset)return{done:!0};if(i==this._boundaryStartParent&&e.offset==this.boundaries.start.offset)return{done:!0};const n=e.textNode?e.textNode:e.nodeBefore;if(n instanceof ps)return e.offset--,this.shallow?(this.position=e,ws("elementStart",n,t,e,1)):(e.path.push(n.maxOffset),this.position=e,this._visitedParent=n,this.ignoreElementEnd?this._previous():ws("elementEnd",n,t,e));if(n instanceof fs){let o;if(this.singleCharacters)o=1;else{let t=n.startOffset;this._boundaryStartParent==i&&this.boundaries.start.offset>t&&(t=this.boundaries.start.offset),o=e.offset-t}const r=e.offset-n.startOffset,s=new ms(n,r-o,o);return e.offset-=o,this.position=e,ws("text",s,t,e,o)}return e.path.pop(),this.position=e,this._visitedParent=i.parent,ws("elementStart",i,t,e,1)}}function ws(t,e,i,n,o){return{done:!1,value:{type:t,item:e,previousPosition:i,nextPosition:n,length:o}}}class ks{constructor(t,e,i="toNone"){if(!t.is("element")&&!t.is("documentFragment"))throw new hi.b("model-position-root-invalid: Position root invalid.",t);if(!(e instanceof Array)||0===e.length)throw new hi.b("model-position-path-incorrect-format: Position path must be an array with at least one item.",t,{path:e});e=t.getPath().concat(e),t=t.root,this.root=t,this.path=e,this.stickiness=i}get offset(){return Xi(this.path)}set offset(t){this.path[this.path.length-1]=t}get parent(){let t=this.root;for(let e=0;e<this.path.length-1;e++)if(t=t.getChild(t.offsetToIndex(this.path[e])),!t)throw new hi.b("model-position-path-incorrect: The position's path is incorrect.",this,{position:this});if(t.is("text"))throw new hi.b("model-position-path-incorrect: The position's path is incorrect.",this,{position:this});return t}get index(){return this.parent.offsetToIndex(this.offset)}get textNode(){const t=this.parent.getChild(this.index);return t instanceof fs&&t.startOffset<this.offset?t:null}get nodeAfter(){return null===this.textNode?this.parent.getChild(this.index):null}get nodeBefore(){return null===this.textNode?this.parent.getChild(this.index-1):null}get isAtStart(){return 0===this.offset}get isAtEnd(){return this.offset==this.parent.maxOffset}compareWith(t){if(this.root!=t.root)return"different";const e=Mi(this.path,t.path);switch(e){case"same":return"same";case"prefix":return"before";case"extension":return"after";default:return this.path[e]<t.path[e]?"before":"after"}}getLastMatchingPosition(t,e={}){e.startPosition=this;const i=new bs(e);return i.skip(t),i.position}getParentPath(){return this.path.slice(0,-1)}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonPath(t){if(this.root!=t.root)return[];const e=Mi(this.path,t.path),i="string"==typeof e?Math.min(this.path.length,t.path.length):e;return this.path.slice(0,i)}getCommonAncestor(t){const e=this.getAncestors(),i=t.getAncestors();let n=0;for(;e[n]==i[n]&&e[n];)n++;return 0===n?null:e[n-1]}getShiftedBy(t){const e=this.clone(),i=e.offset+t;return e.offset=i<0?0:i,e}isAfter(t){return"after"==this.compareWith(t)}isBefore(t){return"before"==this.compareWith(t)}isEqual(t){return"same"==this.compareWith(t)}isTouching(t){let e=null,i=null;switch(this.compareWith(t)){case"same":return!0;case"before":e=ks._createAt(this),i=ks._createAt(t);break;case"after":e=ks._createAt(t),i=ks._createAt(this);break;default:return!1}let n=e.parent;for(;e.path.length+i.path.length;){if(e.isEqual(i))return!0;if(e.path.length>i.path.length){if(e.offset!==n.maxOffset)return!1;e.path=e.path.slice(0,-1),n=n.parent,e.offset++}else{if(0!==i.offset)return!1;i.path=i.path.slice(0,-1)}}}is(t){return"position"==t||"model:position"==t}hasSameParentAs(t){if(this.root!==t.root)return!1;return"same"==Mi(this.getParentPath(),t.getParentPath())}getTransformedByOperation(t){let e;switch(t.type){case"insert":e=this._getTransformedByInsertOperation(t);break;case"move":case"remove":case"reinsert":e=this._getTransformedByMoveOperation(t);break;case"split":e=this._getTransformedBySplitOperation(t);break;case"merge":e=this._getTransformedByMergeOperation(t);break;default:e=ks._createAt(this)}return e}_getTransformedByInsertOperation(t){return this._getTransformedByInsertion(t.position,t.howMany)}_getTransformedByMoveOperation(t){return this._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany)}_getTransformedBySplitOperation(t){const e=t.movedRange;return e.containsPosition(this)||e.start.isEqual(this)&&"toNext"==this.stickiness?this._getCombined(t.splitPosition,t.moveTargetPosition):t.graveyardPosition?this._getTransformedByMove(t.graveyardPosition,t.insertionPosition,1):this._getTransformedByInsertion(t.insertionPosition,1)}_getTransformedByMergeOperation(t){const e=t.movedRange;let i;return e.containsPosition(this)||e.start.isEqual(this)?(i=this._getCombined(t.sourcePosition,t.targetPosition),t.sourcePosition.isBefore(t.targetPosition)&&(i=i._getTransformedByDeletion(t.deletionPosition,1))):i=this.isEqual(t.deletionPosition)?ks._createAt(t.deletionPosition):this._getTransformedByMove(t.deletionPosition,t.graveyardPosition,1),i}_getTransformedByDeletion(t,e){const i=ks._createAt(this);if(this.root!=t.root)return i;if("same"==Mi(t.getParentPath(),this.getParentPath())){if(t.offset<this.offset){if(t.offset+e>this.offset)return null;i.offset-=e}}else if("prefix"==Mi(t.getParentPath(),this.getParentPath())){const n=t.path.length-1;if(t.offset<=this.path[n]){if(t.offset+e>this.path[n])return null;i.path[n]-=e}}return i}_getTransformedByInsertion(t,e){const i=ks._createAt(this);if(this.root!=t.root)return i;if("same"==Mi(t.getParentPath(),this.getParentPath()))(t.offset<this.offset||t.offset==this.offset&&"toPrevious"!=this.stickiness)&&(i.offset+=e);else if("prefix"==Mi(t.getParentPath(),this.getParentPath())){const n=t.path.length-1;t.offset<=this.path[n]&&(i.path[n]+=e)}return i}_getTransformedByMove(t,e,i){if(e=e._getTransformedByDeletion(t,i),t.isEqual(e))return ks._createAt(this);const n=this._getTransformedByDeletion(t,i);return null===n||t.isEqual(this)&&"toNext"==this.stickiness||t.getShiftedBy(i).isEqual(this)&&"toPrevious"==this.stickiness?this._getCombined(t,e):n._getTransformedByInsertion(e,i)}_getCombined(t,e){const i=t.path.length-1,n=ks._createAt(e);return n.stickiness=this.stickiness,n.offset=n.offset+this.path[i]-t.offset,n.path=n.path.concat(this.path.slice(i+1)),n}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(t,e,i="toNone"){if(t instanceof ks)return new ks(t.root,t.path,t.stickiness);{const n=t;if("end"==e)e=n.maxOffset;else{if("before"==e)return this._createBefore(n,i);if("after"==e)return this._createAfter(n,i);if(0!==e&&!e)throw new hi.b("model-createPositionAt-offset-required: Model#createPositionAt() requires the offset when the first parameter is a model item.",[this,t])}if(!n.is("element")&&!n.is("documentFragment"))throw new hi.b("model-position-parent-incorrect: Position parent have to be a element or document fragment.",[this,t]);const o=n.getPath();return o.push(e),new this(n.root,o,i)}}static _createAfter(t,e){if(!t.parent)throw new hi.b("model-position-after-root: You cannot make a position after root.",[this,t],{root:t});return this._createAt(t.parent,t.endOffset,e)}static _createBefore(t,e){if(!t.parent)throw new hi.b("model-position-before-root: You cannot make a position before root.",t,{root:t});return this._createAt(t.parent,t.startOffset,e)}static fromJSON(t,e){if("$graveyard"===t.root){const i=new ks(e.graveyard,t.path);return i.stickiness=t.stickiness,i}if(!e.getRoot(t.root))throw new hi.b("model-position-fromjson-no-root: Cannot create position for document. Root with specified name does not exist.",e,{rootName:t.root});return new ks(e.getRoot(t.root),t.path,t.stickiness)}}class _s{constructor(t,e=null){this.start=ks._createAt(t),this.end=e?ks._createAt(e):ks._createAt(t),this.start.stickiness=this.isCollapsed?"toNone":"toNext",this.end.stickiness=this.isCollapsed?"toNone":"toPrevious"}*[Symbol.iterator](){yield*new bs({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return"same"==Mi(this.start.getParentPath(),this.end.getParentPath())}get root(){return this.start.root}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=!1){t.isCollapsed&&(e=!1);const i=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),n=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return i&&n}containsItem(t){const e=ks._createBefore(t);return this.containsPosition(e)||this.start.isEqual(e)}is(t){return"range"==t||"model:range"==t}isEqual(t){return this.start.isEqual(t.start)&&this.end.isEqual(t.end)}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new _s(this.start,t.start)),this.containsPosition(t.end)&&e.push(new _s(t.end,this.end))):e.push(new _s(this.start,this.end)),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,i=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(i=t.end),new _s(e,i)}return null}getMinimalFlatRanges(){const t=[],e=this.start.getCommonPath(this.end).length,i=ks._createAt(this.start);let n=i.parent;for(;i.path.length>e+1;){const e=n.maxOffset-i.offset;0!==e&&t.push(new _s(i,i.getShiftedBy(e))),i.path=i.path.slice(0,-1),i.offset++,n=n.parent}for(;i.path.length<=this.end.path.length;){const e=this.end.path[i.path.length-1],n=e-i.offset;0!==n&&t.push(new _s(i,i.getShiftedBy(n))),i.offset=e,i.path.push(0)}return t}getWalker(t={}){return t.boundaries=this,new bs(t)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new bs(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new bs(t);yield e.position;for(const t of e)yield t.nextPosition}getTransformedByOperation(t){switch(t.type){case"insert":return this._getTransformedByInsertOperation(t);case"move":case"remove":case"reinsert":return this._getTransformedByMoveOperation(t);case"split":return[this._getTransformedBySplitOperation(t)];case"merge":return[this._getTransformedByMergeOperation(t)]}return[new _s(this.start,this.end)]}getTransformedByOperations(t){const e=[new _s(this.start,this.end)];for(const i of t)for(let t=0;t<e.length;t++){const n=e[t].getTransformedByOperation(i);e.splice(t,1,...n),t+=n.length-1}for(let t=0;t<e.length;t++){const i=e[t];for(let n=t+1;n<e.length;n++){const t=e[n];(i.containsRange(t)||t.containsRange(i)||i.isEqual(t))&&e.splice(n,1)}}return e}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed)return null;const t=this.start.nodeAfter,e=this.end.nodeBefore;return t&&t.is("element")&&t===e?t:null}toJSON(){return{start:this.start.toJSON(),end:this.end.toJSON()}}clone(){return new this.constructor(this.start,this.end)}_getTransformedByInsertOperation(t,e=!1){return this._getTransformedByInsertion(t.position,t.howMany,e)}_getTransformedByMoveOperation(t,e=!1){const i=t.sourcePosition,n=t.howMany,o=t.targetPosition;return this._getTransformedByMove(i,o,n,e)}_getTransformedBySplitOperation(t){const e=this.start._getTransformedBySplitOperation(t);let i=this.end._getTransformedBySplitOperation(t);return this.end.isEqual(t.insertionPosition)&&(i=this.end.getShiftedBy(1)),e.root!=i.root&&(i=this.end.getShiftedBy(-1)),new _s(e,i)}_getTransformedByMergeOperation(t){if(this.start.isEqual(t.targetPosition)&&this.end.isEqual(t.deletionPosition))return new _s(this.start);let e=this.start._getTransformedByMergeOperation(t),i=this.end._getTransformedByMergeOperation(t);return e.root!=i.root&&(i=this.end.getShiftedBy(-1)),e.isAfter(i)?(t.sourcePosition.isBefore(t.targetPosition)?(e=ks._createAt(i),e.offset=0):(t.deletionPosition.isEqual(e)||(i=t.deletionPosition),e=t.targetPosition),new _s(e,i)):new _s(e,i)}_getTransformedByInsertion(t,e,i=!1){if(i&&this.containsPosition(t))return[new _s(this.start,t),new _s(t.getShiftedBy(e),this.end._getTransformedByInsertion(t,e))];{const i=new _s(this.start,this.end);return i.start=i.start._getTransformedByInsertion(t,e),i.end=i.end._getTransformedByInsertion(t,e),[i]}}_getTransformedByMove(t,e,i,n=!1){if(this.isCollapsed){const n=this.start._getTransformedByMove(t,e,i);return[new _s(n)]}const o=_s._createFromPositionAndShift(t,i),r=e._getTransformedByDeletion(t,i);if(this.containsPosition(e)&&!n&&(o.containsPosition(this.start)||o.containsPosition(this.end))){const n=this.start._getTransformedByMove(t,e,i),o=this.end._getTransformedByMove(t,e,i);return[new _s(n,o)]}let s;const a=this.getDifference(o);let c=null;const l=this.getIntersection(o);if(1==a.length?c=new _s(a[0].start._getTransformedByDeletion(t,i),a[0].end._getTransformedByDeletion(t,i)):2==a.length&&(c=new _s(this.start,this.end._getTransformedByDeletion(t,i))),s=c?c._getTransformedByInsertion(r,i,null!==l||n):[],l){const t=new _s(l.start._getCombined(o.start,r),l.end._getCombined(o.start,r));2==s.length?s.splice(1,0,t):s.push(t)}return s}_getTransformedByDeletion(t,e){let i=this.start._getTransformedByDeletion(t,e),n=this.end._getTransformedByDeletion(t,e);return null==i&&null==n?null:(null==i&&(i=t),null==n&&(n=t),new _s(i,n))}static _createFromPositionAndShift(t,e){const i=t,n=t.getShiftedBy(e);return e>0?new this(i,n):new this(n,i)}static _createIn(t){return new this(ks._createAt(t,0),ks._createAt(t,t.maxOffset))}static _createOn(t){return this._createFromPositionAndShift(ks._createBefore(t),t.offsetSize)}static _createFromRanges(t){if(0===t.length)throw new hi.b("range-create-from-ranges-empty-array: At least one range has to be passed.",null);if(1==t.length)return t[0].clone();const e=t[0];t.sort((t,e)=>t.start.isAfter(e.start)?1:-1);const i=t.indexOf(e),n=new this(e.start,e.end);if(i>0)for(let e=i-1;t[e].end.isEqual(n.start);e++)n.start=ks._createAt(t[e].start);for(let e=i+1;e<t.length&&t[e].start.isEqual(n.end);e++)n.end=ks._createAt(t[e].end);return n}static fromJSON(t,e){return new this(ks.fromJSON(t.start,e),ks.fromJSON(t.end,e))}}class vs{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",(t,e)=>{if(e.viewPosition)return;const i=this._modelToViewMapping.get(e.modelPosition.parent);e.viewPosition=this._findPositionIn(i,e.modelPosition.offset)},{priority:"low"}),this.on("viewToModelPosition",(t,e)=>{if(e.modelPosition)return;const i=this.findMappedViewAncestor(e.viewPosition),n=this._viewToModelMapping.get(i),o=this._toModelOffset(e.viewPosition.parent,e.viewPosition.offset,i);e.modelPosition=ks._createAt(n,o)},{priority:"low"})}bindElements(t,e){this._modelToViewMapping.set(t,e),this._viewToModelMapping.set(e,t)}unbindViewElement(t){const e=this.toModelElement(t);if(this._viewToModelMapping.delete(t),this._elementToMarkerNames.has(t))for(const e of this._elementToMarkerNames.get(t))this._unboundMarkerNames.add(e);this._modelToViewMapping.get(e)==t&&this._modelToViewMapping.delete(e)}unbindModelElement(t){const e=this.toViewElement(t);this._modelToViewMapping.delete(t),this._viewToModelMapping.get(e)==t&&this._viewToModelMapping.delete(e)}bindElementToMarker(t,e){const i=this._markerNameToElements.get(e)||new Set;i.add(t);const n=this._elementToMarkerNames.get(t)||new Set;n.add(e),this._markerNameToElements.set(e,i),this._elementToMarkerNames.set(t,n)}unbindElementFromMarkerName(t,e){const i=this._markerNameToElements.get(e);i&&(i.delete(t),0==i.size&&this._markerNameToElements.delete(e));const n=this._elementToMarkerNames.get(t);n&&(n.delete(e),0==n.size&&this._elementToMarkerNames.delete(t))}flushUnboundMarkerNames(){const t=Array.from(this._unboundMarkerNames);return this._unboundMarkerNames.clear(),t}clearBindings(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._unboundMarkerNames=new Set}toModelElement(t){return this._viewToModelMapping.get(t)}toViewElement(t){return this._modelToViewMapping.get(t)}toModelRange(t){return new _s(this.toModelPosition(t.start),this.toModelPosition(t.end))}toViewRange(t){return new Xn(this.toViewPosition(t.start),this.toViewPosition(t.end))}toModelPosition(t){const e={viewPosition:t,mapper:this};return this.fire("viewToModelPosition",e),e.modelPosition}toViewPosition(t,e={isPhantom:!1}){const i={modelPosition:t,mapper:this,isPhantom:e.isPhantom};return this.fire("modelToViewPosition",i),i.viewPosition}markerNameToElements(t){const e=this._markerNameToElements.get(t);if(!e)return null;const i=new Set;for(const t of e)if(t.is("attributeElement"))for(const e of t.getElementsWithSameId())i.add(e);else i.add(t);return i}registerViewToModelLength(t,e){this._viewToModelLengthCallbacks.set(t,e)}findMappedViewAncestor(t){let e=t.parent;for(;!this._viewToModelMapping.has(e);)e=e.parent;return e}_toModelOffset(t,e,i){if(i!=t){return this._toModelOffset(t.parent,t.index,i)+this._toModelOffset(t,e,t)}if(t.is("text"))return e;let n=0;for(let i=0;i<e;i++)n+=this.getModelLength(t.getChild(i));return n}getModelLength(t){if(this._viewToModelLengthCallbacks.get(t.name)){return this._viewToModelLengthCallbacks.get(t.name)(t)}if(this._viewToModelMapping.has(t))return 1;if(t.is("text"))return t.data.length;if(t.is("uiElement"))return 0;{let e=0;for(const i of t.getChildren())e+=this.getModelLength(i);return e}}_findPositionIn(t,e){let i,n=0,o=0,r=0;if(t.is("text"))return new Zn(t,e);for(;o<e;)i=t.getChild(r),n=this.getModelLength(i),o+=n,r++;return o==e?this._moveViewPositionToTextNode(new Zn(t,r)):this._findPositionIn(i,e-(o-n))}_moveViewPositionToTextNode(t){const e=t.nodeBefore,i=t.nodeAfter;return e instanceof Ni?new Zn(e,e.data.length):i instanceof Ni?new Zn(i,0):t}}vi(vs,mi);class ys{constructor(){this._consumable=new Map,this._textProxyRegistry=new Map}add(t,e){e=xs(e),t instanceof ms&&(t=this._getSymbolForTextProxy(t)),this._consumable.has(t)||this._consumable.set(t,new Map),this._consumable.get(t).set(e,!0)}consume(t,e){return e=xs(e),t instanceof ms&&(t=this._getSymbolForTextProxy(t)),!!this.test(t,e)&&(this._consumable.get(t).set(e,!1),!0)}test(t,e){e=xs(e),t instanceof ms&&(t=this._getSymbolForTextProxy(t));const i=this._consumable.get(t);if(void 0===i)return null;const n=i.get(e);return void 0===n?null:n}revert(t,e){e=xs(e),t instanceof ms&&(t=this._getSymbolForTextProxy(t));const i=this.test(t,e);return!1===i?(this._consumable.get(t).set(e,!0),!0):!0!==i&&null}_getSymbolForTextProxy(t){let e=null;const i=this._textProxyRegistry.get(t.startOffset);if(i){const n=i.get(t.endOffset);n&&(e=n.get(t.parent))}return e||(e=this._addSymbolForTextProxy(t.startOffset,t.endOffset,t.parent)),e}_addSymbolForTextProxy(t,e,i){const n=Symbol("textProxySymbol");let o,r;return o=this._textProxyRegistry.get(t),o||(o=new Map,this._textProxyRegistry.set(t,o)),r=o.get(e),r||(r=new Map,o.set(e,r)),r.set(i,n),n}}function xs(t){const e=t.split(":");return e.length>1?e[0]+":"+e[1]:e[0]}class As{constructor(t){this.conversionApi=jn({dispatcher:this},t)}convertChanges(t,e,i){for(const e of t.getMarkersToRemove())this.convertMarkerRemove(e.name,e.range,i);for(const e of t.getChanges())"insert"==e.type?this.convertInsert(_s._createFromPositionAndShift(e.position,e.length),i):"remove"==e.type?this.convertRemove(e.position,e.length,e.name,i):this.convertAttribute(e.range,e.attributeKey,e.attributeOldValue,e.attributeNewValue,i);for(const t of this.conversionApi.mapper.flushUnboundMarkerNames()){const n=e.get(t).getRange();this.convertMarkerRemove(t,n,i),this.convertMarkerAdd(t,n,i)}for(const e of t.getMarkersToAdd())this.convertMarkerAdd(e.name,e.range,i)}convertInsert(t,e){this.conversionApi.writer=e,this.conversionApi.consumable=this._createInsertConsumable(t);for(const e of t){const t=e.item,i={item:t,range:_s._createFromPositionAndShift(e.previousPosition,e.length)};this._testAndFire("insert",i);for(const e of t.getAttributeKeys())i.attributeKey=e,i.attributeOldValue=null,i.attributeNewValue=t.getAttribute(e),this._testAndFire("attribute:"+e,i)}this._clearConversionApi()}convertRemove(t,e,i,n){this.conversionApi.writer=n,this.fire("remove:"+i,{position:t,length:e},this.conversionApi),this._clearConversionApi()}convertAttribute(t,e,i,n,o){this.conversionApi.writer=o,this.conversionApi.consumable=this._createConsumableForRange(t,"attribute:"+e);for(const o of t){const t={item:o.item,range:_s._createFromPositionAndShift(o.previousPosition,o.length),attributeKey:e,attributeOldValue:i,attributeNewValue:n};this._testAndFire("attribute:"+e,t)}this._clearConversionApi()}convertSelection(t,e,i){const n=Array.from(e.getMarkersAtPosition(t.getFirstPosition()));if(this.conversionApi.writer=i,this.conversionApi.consumable=this._createSelectionConsumable(t,n),this.fire("selection",{selection:t},this.conversionApi),t.isCollapsed){for(const e of n){const i=e.getRange();if(!Ts(t.getFirstPosition(),e,this.conversionApi.mapper))continue;const n={item:t,markerName:e.name,markerRange:i};this.conversionApi.consumable.test(t,"addMarker:"+e.name)&&this.fire("addMarker:"+e.name,n,this.conversionApi)}for(const e of t.getAttributeKeys()){const i={item:t,range:t.getFirstRange(),attributeKey:e,attributeOldValue:null,attributeNewValue:t.getAttribute(e)};this.conversionApi.consumable.test(t,"attribute:"+i.attributeKey)&&this.fire("attribute:"+i.attributeKey+":$text",i,this.conversionApi)}this._clearConversionApi()}}convertMarkerAdd(t,e,i){if(!e.root.document||"$graveyard"==e.root.rootName)return;this.conversionApi.writer=i;const n="addMarker:"+t,o=new ys;if(o.add(e,n),this.conversionApi.consumable=o,this.fire(n,{markerName:t,markerRange:e},this.conversionApi),o.test(e,n)){this.conversionApi.consumable=this._createConsumableForRange(e,n);for(const i of e.getItems()){if(!this.conversionApi.consumable.test(i,n))continue;const o={item:i,range:_s._createOn(i),markerName:t,markerRange:e};this.fire(n,o,this.conversionApi)}this._clearConversionApi()}}convertMarkerRemove(t,e,i){e.root.document&&"$graveyard"!=e.root.rootName&&(this.conversionApi.writer=i,this.fire("removeMarker:"+t,{markerName:t,markerRange:e},this.conversionApi),this._clearConversionApi())}_createInsertConsumable(t){const e=new ys;for(const i of t){const t=i.item;e.add(t,"insert");for(const i of t.getAttributeKeys())e.add(t,"attribute:"+i)}return e}_createConsumableForRange(t,e){const i=new ys;for(const n of t.getItems())i.add(n,e);return i}_createSelectionConsumable(t,e){const i=new ys;i.add(t,"selection");for(const n of e)i.add(t,"addMarker:"+n.name);for(const e of t.getAttributeKeys())i.add(t,"attribute:"+e);return i}_testAndFire(t,e){if(!this.conversionApi.consumable.test(e.item,t))return;const i=e.item.name||"$text";this.fire(t+":"+i,e,this.conversionApi)}_clearConversionApi(){delete this.conversionApi.writer,delete this.conversionApi.consumable}}function Ts(t,e,i){const n=e.getRange(),o=Array.from(t.getAncestors());return o.shift(),o.reverse(),!o.some(t=>{if(n.containsItem(t)){return!!i.toViewElement(t).getCustomProperty("addHighlight")}})}vi(As,mi);class Cs{constructor(t,e,i){this._lastRangeBackward=!1,this._ranges=[],this._attrs=new Map,t&&this.setTo(t,e,i)}get anchor(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.end:t.start}return null}get focus(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.start:t.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(t){if(this.rangeCount!=t.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus))return!1;for(const e of this._ranges){let i=!1;for(const n of t._ranges)if(e.isEqual(n)){i=!0;break}if(!i)return!1}return!0}*getRanges(){for(const t of this._ranges)yield new _s(t.start,t.end)}getFirstRange(){let t=null;for(const e of this._ranges)t&&!e.start.isBefore(t.start)||(t=e);return t?new _s(t.start,t.end):null}getLastRange(){let t=null;for(const e of this._ranges)t&&!e.end.isAfter(t.end)||(t=e);return t?new _s(t.start,t.end):null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}setTo(t,e,i){if(null===t)this._setRanges([]);else if(t instanceof Cs)this._setRanges(t.getRanges(),t.isBackward);else if(t&&"function"==typeof t.getRanges)this._setRanges(t.getRanges(),t.isBackward);else if(t instanceof _s)this._setRanges([t],!!e&&!!e.backward);else if(t instanceof ks)this._setRanges([new _s(t)]);else if(t instanceof us){const n=!!i&&!!i.backward;let o;if("in"==e)o=_s._createIn(t);else if("on"==e)o=_s._createOn(t);else{if(void 0===e)throw new hi.b("model-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.",[this,t]);o=new _s(ks._createAt(t,e))}this._setRanges([o],n)}else{if(!Ri(t))throw new hi.b("model-selection-setTo-not-selectable: Cannot set the selection to the given place.",[this,t]);this._setRanges(t,e&&!!e.backward)}}_setRanges(t,e=!1){const i=(t=Array.from(t)).some(e=>{if(!(e instanceof _s))throw new hi.b("model-selection-set-ranges-not-range: Selection range set to an object that is not an instance of model.Range.",[this,t]);return this._ranges.every(t=>!t.isEqual(e))});if(t.length!==this._ranges.length||i){this._removeAllRanges();for(const e of t)this._pushRange(e);this._lastRangeBackward=!!e,this.fire("change:range",{directChange:!0})}}setFocus(t,e){if(null===this.anchor)throw new hi.b("model-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.",[this,t]);const i=ks._createAt(t,e);if("same"==i.compareWith(this.focus))return;const n=this.anchor;this._ranges.length&&this._popRange(),"before"==i.compareWith(n)?(this._pushRange(new _s(i,n)),this._lastRangeBackward=!0):(this._pushRange(new _s(n,i)),this._lastRangeBackward=!1),this.fire("change:range",{directChange:!0})}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}hasAttribute(t){return this._attrs.has(t)}removeAttribute(t){this.hasAttribute(t)&&(this._attrs.delete(t),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}setAttribute(t,e){this.getAttribute(t)!==e&&(this._attrs.set(t,e),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}is(t){return"selection"==t||"model:selection"==t}*getSelectedBlocks(){const t=new WeakSet;for(const e of this.getRanges()){const i=Ms(e.start,t);i&&Es(i,e)&&(yield i);for(const i of e.getWalker()){const n=i.item;"elementEnd"==i.type&&Ss(n,t,e)&&(yield n)}const n=Ms(e.end,t);n&&!e.end.isTouching(ks._createAt(n,0))&&Es(n,e)&&(yield n)}}containsEntireContent(t=this.anchor.root){const e=ks._createAt(t,0),i=ks._createAt(t,"end");return e.isTouching(this.getFirstPosition())&&i.isTouching(this.getLastPosition())}_pushRange(t){this._checkRange(t),this._ranges.push(new _s(t.start,t.end))}_checkRange(t){for(let e=0;e<this._ranges.length;e++)if(t.isIntersecting(this._ranges[e]))throw new hi.b("model-selection-range-intersects: Trying to add a range that intersects with another range in the selection.",[this,t],{addedRange:t,intersectingRange:this._ranges[e]})}_removeAllRanges(){for(;this._ranges.length>0;)this._popRange()}_popRange(){this._ranges.pop()}}function Ps(t,e){return!e.has(t)&&(e.add(t),t.root.document.model.schema.isBlock(t)&&t.parent)}function Ss(t,e,i){return Ps(t,e)&&Es(t,i)}function Ms(t,e){const i=t.parent.root.document.model.schema,n=t.parent.getAncestors({parentFirst:!0,includeSelf:!0});let o=!1;const r=n.find(t=>!o&&(o=i.isLimit(t),!o&&Ps(t,e)));return n.forEach(t=>e.add(t)),r}function Es(t,e){const i=function(t){const e=t.root.document.model.schema;let i=t.parent;for(;i;){if(e.isBlock(i))return i;i=i.parent}}(t);return!i||!e.containsRange(_s._createOn(i),!0)}vi(Cs,mi);class Is extends _s{constructor(t,e){super(t,e),Ns.call(this)}detach(){this.stopListening()}is(t){return"liveRange"==t||"model:liveRange"==t||super.is(t)}toRange(){return new _s(this.start,this.end)}static fromRange(t){return new Is(t.start,t.end)}}function Ns(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const i=e[0];i.isDocumentOperation&&Os.call(this,i)},{priority:"low"})}function Os(t){const e=this.getTransformedByOperation(t),i=_s._createFromRanges(e),n=!i.isEqual(this),o=function(t,e){switch(e.type){case"insert":return t.containsPosition(e.position);case"move":case"remove":case"reinsert":case"merge":return t.containsPosition(e.sourcePosition)||t.start.isEqual(e.sourcePosition)||t.containsPosition(e.targetPosition);case"split":return t.containsPosition(e.splitPosition)||t.containsPosition(e.insertionPosition)}return!1}(this,t);let r=null;if(n){"$graveyard"==i.root.rootName&&(r="remove"==t.type?t.sourcePosition:t.deletionPosition);const e=this.toRange();this.start=i.start,this.end=i.end,this.fire("change:range",e,{deletionPosition:r})}else o&&this.fire("change:content",this.toRange(),{deletionPosition:r})}vi(Is,mi);class Rs{constructor(t){this._selection=new Ds(t),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(t){return this._selection.containsEntireContent(t)}destroy(){this._selection.destroy()}getAttributeKeys(){return this._selection.getAttributeKeys()}getAttributes(){return this._selection.getAttributes()}getAttribute(t){return this._selection.getAttribute(t)}hasAttribute(t){return this._selection.hasAttribute(t)}refresh(){this._selection._updateMarkers(),this._selection._updateAttributes(!1)}is(t){return"selection"==t||"model:selection"==t||"documentSelection"==t||"model:documentSelection"==t}_setFocus(t,e){this._selection.setFocus(t,e)}_setTo(t,e,i){this._selection.setTo(t,e,i)}_setAttribute(t,e){this._selection.setAttribute(t,e)}_removeAttribute(t){this._selection.removeAttribute(t)}_getStoredAttributes(){return this._selection._getStoredAttributes()}_overrideGravity(){return this._selection.overrideGravity()}_restoreGravity(t){this._selection.restoreGravity(t)}static _getStoreAttributeKey(t){return"selection:"+t}static _isStoreAttributeKey(t){return t.startsWith("selection:")}}vi(Rs,mi);class Ds extends Cs{constructor(t){super(),this.markers=new yi({idProperty:"name"}),this._model=t.model,this._document=t,this._attributePriority=new Map,this._fixGraveyardRangesData=[],this._hasChangedRange=!1,this._overriddenGravityRegister=new Set,this.listenTo(this._model,"applyOperation",(t,e)=>{const i=e[0];if(i.isDocumentOperation&&"marker"!=i.type&&"rename"!=i.type&&"noop"!=i.type){for(;this._fixGraveyardRangesData.length;){const{liveRange:t,sourcePosition:e}=this._fixGraveyardRangesData.shift();this._fixGraveyardSelection(t,e)}this._hasChangedRange&&(this._hasChangedRange=!1,this.fire("change:range",{directChange:!1}))}},{priority:"lowest"}),this.on("change:range",()=>{for(const t of this.getRanges())if(!this._document._validateSelectionRange(t))throw new hi.b("document-selection-wrong-position: Range from document selection starts or ends at incorrect position.",this,{range:t})}),this.listenTo(this._model.markers,"update",()=>this._updateMarkers()),this.listenTo(this._document,"change",(t,e)=>{!function(t,e){const i=t.document.differ;for(const n of i.getChanges()){if("insert"!=n.type)continue;const i=n.position.parent;n.length===i.maxOffset&&t.enqueueChange(e,t=>{const e=Array.from(i.getAttributeKeys()).filter(t=>t.startsWith("selection:"));for(const n of e)t.removeAttribute(n,i)})}}(this._model,e)})}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 t=0;t<this._ranges.length;t++)this._ranges[t].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(t,e,i){super.setTo(t,e,i),this._updateAttributes(!0),this._updateMarkers()}setFocus(t,e){super.setFocus(t,e),this._updateAttributes(!0),this._updateMarkers()}setAttribute(t,e){if(this._setAttribute(t,e)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}removeAttribute(t){if(this._removeAttribute(t)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}overrideGravity(){const t=li();return this._overriddenGravityRegister.add(t),1===this._overriddenGravityRegister.size&&this._updateAttributes(!0),t}restoreGravity(t){if(!this._overriddenGravityRegister.has(t))throw new hi.b("document-selection-gravity-wrong-restore: Attempting to restore the selection gravity for an unknown UID.",this,{uid:t});this._overriddenGravityRegister.delete(t),this.isGravityOverridden||this._updateAttributes(!0)}_popRange(){this._ranges.pop().detach()}_pushRange(t){const e=this._prepareRange(t);e&&this._ranges.push(e)}_prepareRange(t){if(this._checkRange(t),t.root==this._document.graveyard)return;const e=Is.fromRange(t);return e.on("change:range",(t,i,n)=>{this._hasChangedRange=!0,e.root==this._document.graveyard&&this._fixGraveyardRangesData.push({liveRange:e,sourcePosition:n.deletionPosition})}),e}_updateMarkers(){const t=[];let e=!1;for(const e of this._model.markers){const i=e.getRange();for(const n of this.getRanges())i.containsRange(n,!n.isCollapsed)&&t.push(e)}const i=Array.from(this.markers);for(const i of t)this.markers.has(i)||(this.markers.add(i),e=!0);for(const i of Array.from(this.markers))t.includes(i)||(this.markers.remove(i),e=!0);e&&this.fire("change:marker",{oldMarkers:i,directChange:!1})}_updateAttributes(t){const e=Di(this._getSurroundingAttributes()),i=Di(this.getAttributes());if(t)this._attributePriority=new Map,this._attrs=new Map;else for(const[t,e]of this._attributePriority)"low"==e&&(this._attrs.delete(t),this._attributePriority.delete(t));this._setAttributesTo(e);const n=[];for(const[t,e]of this.getAttributes())i.has(t)&&i.get(t)===e||n.push(t);for(const[t]of i)this.hasAttribute(t)||n.push(t);n.length>0&&this.fire("change:attribute",{attributeKeys:n,directChange:!1})}_setAttribute(t,e,i=!0){const n=i?"normal":"low";return("low"!=n||"normal"!=this._attributePriority.get(t))&&(super.getAttribute(t)!==e&&(this._attrs.set(t,e),this._attributePriority.set(t,n),!0))}_removeAttribute(t,e=!0){const i=e?"normal":"low";return("low"!=i||"normal"!=this._attributePriority.get(t))&&(this._attributePriority.set(t,i),!!super.hasAttribute(t)&&(this._attrs.delete(t),!0))}_setAttributesTo(t){const e=new Set;for(const[e,i]of this.getAttributes())t.get(e)!==i&&this._removeAttribute(e,!1);for(const[i,n]of t){this._setAttribute(i,n,!1)&&e.add(i)}return e}*_getStoredAttributes(){const t=this.getFirstPosition().parent;if(this.isCollapsed&&t.isEmpty)for(const e of t.getAttributeKeys())if(e.startsWith("selection:")){const i=e.substr("selection:".length);yield[i,t.getAttribute(e)]}}_getSurroundingAttributes(){const t=this.getFirstPosition(),e=this._model.schema;let i=null;if(this.isCollapsed){const e=t.textNode?t.textNode:t.nodeBefore,n=t.textNode?t.textNode:t.nodeAfter;if(this.isGravityOverridden||(i=Ls(e)),i||(i=Ls(n)),!this.isGravityOverridden&&!i){let t=e;for(;t&&!i;)t=t.previousSibling,i=Ls(t)}if(!i){let t=n;for(;t&&!i;)t=t.nextSibling,i=Ls(t)}i||(i=this._getStoredAttributes())}else{const t=this.getFirstRange();for(const n of t){if(n.item.is("element")&&e.isObject(n.item))break;if("text"==n.type){i=n.item.getAttributes();break}}}return i}_fixGraveyardSelection(t,e){const i=e.clone(),n=this._model.schema.getNearestSelectionRange(i),o=this._ranges.indexOf(t);if(this._ranges.splice(o,1),t.detach(),n){const t=this._prepareRange(n);this._ranges.splice(o,0,t)}}}function Ls(t){return t instanceof ms||t instanceof fs?t.getAttributes():null}class js{constructor(t){this._dispatchers=t}add(t){for(const e of this._dispatchers)t(e);return this}}var Vs=function(t){return ti(t,5)};class zs extends js{elementToElement(t){return this.add(function(t){return(t=Vs(t)).view=Fs(t.view,"container"),e=>{var i;e.on("insert:"+t.model,(i=t.view,(t,e,n)=>{const o=i(e.item,n.writer);if(!o)return;if(!n.consumable.consume(e.item,"insert"))return;const r=n.mapper.toViewPosition(e.range.start);n.mapper.bindElements(e.item,o),n.writer.insert(r,o)}),{priority:t.converterPriority||"normal"})}}(t))}attributeToElement(t){return this.add(function(t){let e="attribute:"+((t=Vs(t)).model.key?t.model.key:t.model);t.model.name&&(e+=":"+t.model.name);if(t.model.values)for(const e of t.model.values)t.view[e]=Fs(t.view[e],"attribute");else t.view=Fs(t.view,"attribute");const i=Us(t);return n=>{n.on(e,function(t){return(e,i,n)=>{const o=t(i.attributeOldValue,n.writer),r=t(i.attributeNewValue,n.writer);if(!o&&!r)return;if(!n.consumable.consume(i.item,e.name))return;const s=n.writer,a=s.document.selection;if(i.item instanceof Cs||i.item instanceof Rs)s.wrap(a.getFirstRange(),r);else{let t=n.mapper.toViewRange(i.range);null!==i.attributeOldValue&&o&&(t=s.unwrap(t,o)),null!==i.attributeNewValue&&r&&s.wrap(t,r)}}}(i),{priority:t.converterPriority||"normal"})}}(t))}attributeToAttribute(t){return this.add(function(t){let e="attribute:"+((t=Vs(t)).model.key?t.model.key:t.model);t.model.name&&(e+=":"+t.model.name);if(t.model.values)for(const e of t.model.values)t.view[e]=Hs(t.view[e]);else t.view=Hs(t.view);const i=Us(t);return n=>{var o;n.on(e,(o=i,(t,e,i)=>{const n=o(e.attributeOldValue,e),r=o(e.attributeNewValue,e);if(!n&&!r)return;if(!i.consumable.consume(e.item,t.name))return;const s=i.mapper.toViewElement(e.item),a=i.writer;if(!s)throw new hi.b("conversion-attribute-to-attribute-on-text: Trying to convert text node's attribute with attribute-to-attribute converter.",[e,i]);if(null!==e.attributeOldValue&&n)if("class"==n.key){const t=Array.isArray(n.value)?n.value:[n.value];for(const e of t)a.removeClass(e,s)}else if("style"==n.key){const t=Object.keys(n.value);for(const e of t)a.removeStyle(e,s)}else a.removeAttribute(n.key,s);if(null!==e.attributeNewValue&&r)if("class"==r.key){const t=Array.isArray(r.value)?r.value:[r.value];for(const e of t)a.addClass(e,s)}else if("style"==r.key){const t=Object.keys(r.value);for(const e of t)a.setStyle(e,r.value[e],s)}else a.setAttribute(r.key,r.value,s)}),{priority:t.converterPriority||"normal"})}}(t))}markerToElement(t){return this.add(function(t){return(t=Vs(t)).view=Fs(t.view,"ui"),e=>{var i;e.on("addMarker:"+t.model,(i=t.view,(t,e,n)=>{e.isOpening=!0;const o=i(e,n.writer);e.isOpening=!1;const r=i(e,n.writer);if(!o||!r)return;const s=e.markerRange;if(s.isCollapsed&&!n.consumable.consume(s,t.name))return;for(const e of s)if(!n.consumable.consume(e.item,t.name))return;const a=n.mapper,c=n.writer;c.insert(a.toViewPosition(s.start),o),n.mapper.bindElementToMarker(o,e.markerName),s.isCollapsed||(c.insert(a.toViewPosition(s.end),r),n.mapper.bindElementToMarker(r,e.markerName)),t.stop()}),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,(t.view,(t,e,i)=>{const n=i.mapper.markerNameToElements(e.markerName);if(n){for(const t of n)i.mapper.unbindElementFromMarkerName(t,e.markerName),i.writer.clear(i.writer.createRangeOn(t),t);i.writer.clearClonedElementsGroup(e.markerName),t.stop()}}),{priority:t.converterPriority||"normal"})}}(t))}markerToHighlight(t){return this.add(function(t){return e=>{var i;e.on("addMarker:"+t.model,(i=t.view,(t,e,n)=>{if(!e.item)return;if(!(e.item instanceof Cs||e.item instanceof Rs||e.item.is("textProxy")))return;const o=qs(i,e,n);if(!o)return;if(!n.consumable.consume(e.item,t.name))return;const r=n.writer,s=Bs(r,o),a=r.document.selection;if(e.item instanceof Cs||e.item instanceof Rs)r.wrap(a.getFirstRange(),s,a);else{const t=n.mapper.toViewRange(e.range),i=r.wrap(t,s);for(const t of i.getItems())if(t.is("attributeElement")&&t.isSimilar(s)){n.mapper.bindElementToMarker(t,e.markerName);break}}}),{priority:t.converterPriority||"normal"}),e.on("addMarker:"+t.model,function(t){return(e,i,n)=>{if(!i.item)return;if(!(i.item instanceof ps))return;const o=qs(t,i,n);if(!o)return;if(!n.consumable.test(i.item,e.name))return;const r=n.mapper.toViewElement(i.item);if(r&&r.getCustomProperty("addHighlight")){n.consumable.consume(i.item,e.name);for(const t of _s._createIn(i.item))n.consumable.consume(t.item,e.name);r.getCustomProperty("addHighlight")(r,o,n.writer),n.mapper.bindElementToMarker(r,i.markerName)}}}(t.view),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,function(t){return(e,i,n)=>{if(i.markerRange.isCollapsed)return;const o=qs(t,i,n);if(!o)return;const r=Bs(n.writer,o),s=n.mapper.markerNameToElements(i.markerName);if(s){for(const t of s)n.mapper.unbindElementFromMarkerName(t,i.markerName),t.is("attributeElement")?n.writer.unwrap(n.writer.createRangeOn(t),r):t.getCustomProperty("removeHighlight")(t,o.id,n.writer);n.writer.clearClonedElementsGroup(i.markerName),e.stop()}}}(t.view),{priority:t.converterPriority||"normal"})}}(t))}}function Bs(t,e){const i=t.createAttributeElement("span",e.attributes);return e.classes&&i._addClass(e.classes),e.priority&&(i._priority=e.priority),i._id=e.id,i}function Fs(t,e){return"function"==typeof t?t:(i,n)=>function(t,e,i){"string"==typeof t&&(t={name:t});let n;const o=Object.assign({},t.attributes);if("container"==i)n=e.createContainerElement(t.name,o);else if("attribute"==i){const i={priority:t.priority||ro.DEFAULT_PRIORITY};n=e.createAttributeElement(t.name,o,i)}else n=e.createUIElement(t.name,o);if(t.styles){const i=Object.keys(t.styles);for(const o of i)e.setStyle(o,t.styles[o],n)}if(t.classes){const i=t.classes;if("string"==typeof i)e.addClass(i,n);else for(const t of i)e.addClass(t,n)}return n}(t,n,e)}function Us(t){return t.model.values?(e,i)=>{const n=t.view[e];return n?n(e,i):null}:t.view}function Hs(t){return"string"==typeof t?e=>({key:t,value:e}):"object"==typeof t?t.value?()=>t:e=>({key:t.key,value:e}):t}function qs(t,e,i){const n="function"==typeof t?t(e,i):t;return n?(n.priority||(n.priority=10),n.id||(n.id=e.markerName),n):null}class Ws extends js{elementToElement(t){return this.add(Ys(t))}elementToAttribute(t){return this.add(function(t){Gs(t=Vs(t));const e=Qs(t,!1),i=$s(t.view),n=i?"element:"+i:"element";return i=>{i.on(n,e,{priority:t.converterPriority||"low"})}}(t))}attributeToAttribute(t){return this.add(function(t){t=Vs(t);let e=null;("string"==typeof t.view||t.view.key)&&(e=function(t){"string"==typeof t.view&&(t.view={key:t.view});const e=t.view.key;let i;if("class"==e||"style"==e){i={["class"==e?"classes":"styles"]:t.view.value}}else{const n=void 0===t.view.value?/[\s\S]*/:t.view.value;i={attributes:{[e]:n}}}t.view.name&&(i.name=t.view.name);return t.view=i,e}(t));Gs(t,e);const i=Qs(t,!0);return e=>{e.on("element",i,{priority:t.converterPriority||"low"})}}(t))}elementToMarker(t){return this.add(function(t){return function(t){const e=t.model;t.model=(t,i)=>{const n="string"==typeof e?e:e(t);return i.createElement("$marker",{"data-name":n})}}(t=Vs(t)),Ys(t)}(t))}}function Ys(t){const e=function(t){const e=t.view?new Li(t.view):null;return(i,n,o)=>{let r={};if(e){const t=e.match(n.viewItem);if(!t)return;r=t.match}r.name=!0;const s=(a=t.model,c=n.viewItem,l=o.writer,a instanceof Function?a(c,l):l.createElement(a));var a,c,l;if(!s)return;if(!o.consumable.test(n.viewItem,r))return;const d=o.splitToAllowedParent(s,n.modelCursor);if(!d)return;o.writer.insert(s,d.position),o.convertChildren(n.viewItem,o.writer.createPositionAt(s,0)),o.consumable.consume(n.viewItem,r);const h=o.getSplitParts(s);n.modelRange=new _s(o.writer.createPositionBefore(s),o.writer.createPositionAfter(h[h.length-1])),d.cursorParent?n.modelCursor=o.writer.createPositionAt(d.cursorParent,0):n.modelCursor=n.modelRange.end}}(t=Vs(t)),i=$s(t.view),n=i?"element:"+i:"element";return i=>{i.on(n,e,{priority:t.converterPriority||"normal"})}}function $s(t){return"string"==typeof t?t:"object"==typeof t&&"string"==typeof t.name?t.name:null}function Gs(t,e=null){const i=null===e||(t=>t.getAttribute(e)),n="object"!=typeof t.model?t.model:t.model.key,o="object"!=typeof t.model||void 0===t.model.value?i:t.model.value;t.model={key:n,value:o}}function Qs(t,e){const i=new Li(t.view);return(n,o,r)=>{const s=i.match(o.viewItem);if(!s)return;const a=t.model.key,c="function"==typeof t.model.value?t.model.value(o.viewItem):t.model.value;null!==c&&(!function(t,e){const i="function"==typeof t?t(e):t;if("object"==typeof i&&!$s(i))return!1;return!i.classes&&!i.attributes&&!i.styles}(t.view,o.viewItem)?delete s.match.name:s.match.name=!0,r.consumable.test(o.viewItem,s.match)&&(o.modelRange||(o=Object.assign(o,r.convertChildren(o.viewItem,o.modelCursor))),function(t,e,i,n){let o=!1;for(const r of Array.from(t.getItems({shallow:i})))n.schema.checkAttribute(r,e.key)&&(n.writer.setAttribute(e.key,e.value,r),o=!0);return o}(o.modelRange,{key:a,value:c},e,r)&&r.consumable.consume(o.viewItem,s.match)))}}class Ks{constructor(t,e){this.model=t,this.view=new hs(e),this.mapper=new vs,this.downcastDispatcher=new As({mapper:this.mapper});const i=this.model.document,n=i.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(i,"change",()=>{this.view.change(t=>{this.downcastDispatcher.convertChanges(i.differ,o,t),this.downcastDispatcher.convertSelection(n,o,t)})},{priority:"low"}),this.listenTo(this.view.document,"selectionChange",function(t,e){return(i,n)=>{const o=n.newSelection,r=new Cs,s=[];for(const t of o.getRanges())s.push(e.toModelRange(t));r.setTo(s,{backward:o.isBackward}),r.isEqual(t.document.selection)||t.change(t=>{t.setSelection(r)})}}(this.model,this.mapper)),this.downcastDispatcher.on("insert:$text",(t,e,i)=>{if(!i.consumable.consume(e.item,"insert"))return;const n=i.writer,o=i.mapper.toViewPosition(e.range.start),r=n.createText(e.item.data);n.insert(o,r)},{priority:"lowest"}),this.downcastDispatcher.on("remove",(t,e,i)=>{const n=i.mapper.toViewPosition(e.position),o=e.position.getShiftedBy(e.length),r=i.mapper.toViewPosition(o,{isPhantom:!0}),s=i.writer.createRange(n,r),a=i.writer.remove(s.getTrimmed());for(const t of i.writer.createRangeIn(a).getItems())i.mapper.unbindViewElement(t)},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,i)=>{const n=i.writer,o=n.document.selection;for(const t of o.getRanges())t.isCollapsed&&t.end.parent.isAttached()&&i.writer.mergeAttributes(t.start);n.setSelection(null)},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,i)=>{const n=e.selection;if(n.isCollapsed)return;if(!i.consumable.consume(n,"selection"))return;const o=[];for(const t of n.getRanges()){const e=i.mapper.toViewRange(t);o.push(e)}i.writer.setSelection(o,{backward:n.isBackward})},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,i)=>{const n=e.selection;if(!n.isCollapsed)return;if(!i.consumable.consume(n,"selection"))return;const o=i.writer,r=n.getFirstPosition(),s=i.mapper.toViewPosition(r),a=o.breakAttributes(s);o.setSelection(a)},{priority:"low"}),this.view.document.roots.bindTo(this.model.document.roots).using(t=>{if("$graveyard"==t.rootName)return null;const e=new Kn(this.view.document,t.name);return e.rootName=t.rootName,this.mapper.bindElements(t,e),e})}destroy(){this.view.destroy(),this.stopListening()}}vi(Ks,Un);class Js{constructor(){this._commands=new Map}add(t,e){this._commands.set(t,e)}get(t){return this._commands.get(t)}execute(t,...e){const i=this.get(t);if(!i)throw new hi.b("commandcollection-command-not-found: Command does not exist.",this,{commandName:t});i.execute(...e)}*names(){yield*this._commands.keys()}*commands(){yield*this._commands.values()}[Symbol.iterator](){return this._commands[Symbol.iterator]()}destroy(){for(const t of this.commands())t.destroy()}}class Zs{constructor(){this._consumables=new Map}add(t,e){let i;t.is("text")||t.is("documentFragment")?this._consumables.set(t,!0):(this._consumables.has(t)?i=this._consumables.get(t):(i=new Xs(t),this._consumables.set(t,i)),i.add(e))}test(t,e){const i=this._consumables.get(t);return void 0===i?null:t.is("text")||t.is("documentFragment")?i:i.test(e)}consume(t,e){return!!this.test(t,e)&&(t.is("text")||t.is("documentFragment")?this._consumables.set(t,!1):this._consumables.get(t).consume(e),!0)}revert(t,e){const i=this._consumables.get(t);void 0!==i&&(t.is("text")||t.is("documentFragment")?this._consumables.set(t,!0):i.revert(e))}static consumablesFromElement(t){const e={element:t,name:!0,attributes:[],classes:[],styles:[]},i=t.getAttributeKeys();for(const t of i)"style"!=t&&"class"!=t&&e.attributes.push(t);const n=t.getClassNames();for(const t of n)e.classes.push(t);const o=t.getStyleNames();for(const t of o)e.styles.push(t);return e}static createFrom(t,e){if(e||(e=new Zs(t)),t.is("text"))return e.add(t),e;t.is("element")&&e.add(t,Zs.consumablesFromElement(t)),t.is("documentFragment")&&e.add(t);for(const i of t.getChildren())e=Zs.createFrom(i,e);return e}}class Xs{constructor(t){this.element=t,this._canConsumeName=null,this._consumables={attributes:new Map,styles:new Map,classes:new Map}}add(t){t.name&&(this._canConsumeName=!0);for(const e in this._consumables)e in t&&this._add(e,t[e])}test(t){if(t.name&&!this._canConsumeName)return this._canConsumeName;for(const e in this._consumables)if(e in t){const i=this._test(e,t[e]);if(!0!==i)return i}return!0}consume(t){t.name&&(this._canConsumeName=!1);for(const e in this._consumables)e in t&&this._consume(e,t[e])}revert(t){t.name&&(this._canConsumeName=!0);for(const e in this._consumables)e in t&&this._revert(e,t[e])}_add(t,e){const i=Dt(e)?e:[e],n=this._consumables[t];for(const e of i){if("attributes"===t&&("class"===e||"style"===e))throw new hi.b("viewconsumable-invalid-attribute: Classes and styles should be handled separately.",this);if(n.set(e,!0),"styles"===t)for(const t of this.element.document.stylesProcessor.getRelatedStyles(e))n.set(t,!0)}}_test(t,e){const i=Dt(e)?e:[e],n=this._consumables[t];for(const e of i)if("attributes"!==t||"class"!==e&&"style"!==e){const t=n.get(e);if(void 0===t)return null;if(!t)return!1}else{const t="class"==e?"classes":"styles",i=this._test(t,[...this._consumables[t].keys()]);if(!0!==i)return i}return!0}_consume(t,e){const i=Dt(e)?e:[e],n=this._consumables[t];for(const e of i)if("attributes"!==t||"class"!==e&&"style"!==e){if(n.set(e,!1),"styles"==t)for(const t of this.element.document.stylesProcessor.getRelatedStyles(e))n.set(t,!1)}else{const t="class"==e?"classes":"styles";this._consume(t,[...this._consumables[t].keys()])}}_revert(t,e){const i=Dt(e)?e:[e],n=this._consumables[t];for(const e of i)if("attributes"!==t||"class"!==e&&"style"!==e){!1===n.get(e)&&n.set(e,!0)}else{const t="class"==e?"classes":"styles";this._revert(t,[...this._consumables[t].keys()])}}}class ta{constructor(){this._sourceDefinitions={},this._attributeProperties={},this.decorate("checkChild"),this.decorate("checkAttribute"),this.on("checkAttribute",(t,e)=>{e[0]=new ea(e[0])},{priority:"highest"}),this.on("checkChild",(t,e)=>{e[0]=new ea(e[0]),e[1]=this.getDefinition(e[1])},{priority:"highest"})}register(t,e){if(this._sourceDefinitions[t])throw new hi.b("schema-cannot-register-item-twice: A single item cannot be registered twice in the schema.",this,{itemName:t});this._sourceDefinitions[t]=[Object.assign({},e)],this._clearCache()}extend(t,e){if(!this._sourceDefinitions[t])throw new hi.b("schema-cannot-extend-missing-item: Cannot extend an item which was not registered yet.",this,{itemName:t});this._sourceDefinitions[t].push(Object.assign({},e)),this._clearCache()}getDefinitions(){return this._compiledDefinitions||this._compile(),this._compiledDefinitions}getDefinition(t){let e;return e="string"==typeof t?t:t.is&&(t.is("text")||t.is("textProxy"))?"$text":t.name,this.getDefinitions()[e]}isRegistered(t){return!!this.getDefinition(t)}isBlock(t){const e=this.getDefinition(t);return!(!e||!e.isBlock)}isLimit(t){const e=this.getDefinition(t);return!!e&&!(!e.isLimit&&!e.isObject)}isObject(t){const e=this.getDefinition(t);return!(!e||!e.isObject)}isInline(t){const e=this.getDefinition(t);return!(!e||!e.isInline)}checkChild(t,e){return!!e&&this._checkContextMatch(e,t)}checkAttribute(t,e){const i=this.getDefinition(t.last);return!!i&&i.allowAttributes.includes(e)}checkMerge(t,e=null){if(t instanceof ks){const e=t.nodeBefore,i=t.nodeAfter;if(!(e instanceof ps))throw new hi.b("schema-check-merge-no-element-before: The node before the merge position must be an element.",this);if(!(i instanceof ps))throw new hi.b("schema-check-merge-no-element-after: The node after the merge position must be an element.",this);return this.checkMerge(e,i)}for(const i of e.getChildren())if(!this.checkChild(t,i))return!1;return!0}addChildCheck(t){this.on("checkChild",(e,[i,n])=>{if(!n)return;const o=t(i,n);"boolean"==typeof o&&(e.stop(),e.return=o)},{priority:"high"})}addAttributeCheck(t){this.on("checkAttribute",(e,[i,n])=>{const o=t(i,n);"boolean"==typeof o&&(e.stop(),e.return=o)},{priority:"high"})}setAttributeProperties(t,e){this._attributeProperties[t]=Object.assign(this.getAttributeProperties(t),e)}getAttributeProperties(t){return this._attributeProperties[t]||{}}getLimitElement(t){let e;if(t instanceof ks)e=t.parent;else{e=(t instanceof _s?[t]:Array.from(t.getRanges())).reduce((t,e)=>{const i=e.getCommonAncestor();return t?t.getCommonAncestor(i,{includeSelf:!0}):i},null)}for(;!this.isLimit(e)&&e.parent;)e=e.parent;return e}checkAttributeInSelection(t,e){if(t.isCollapsed){const i=[...t.getFirstPosition().getAncestors(),new fs("",t.getAttributes())];return this.checkAttribute(i,e)}{const i=t.getRanges();for(const t of i)for(const i of t)if(this.checkAttribute(i.item,e))return!0}return!1}*getValidRanges(t,e){t=function*(t){for(const e of t)yield*e.getMinimalFlatRanges()}(t);for(const i of t)yield*this._getValidRangesForRange(i,e)}getNearestSelectionRange(t,e="both"){if(this.checkChild(t,"$text"))return new _s(t);let i,n;const o=t.getAncestors().reverse().find(t=>this.isLimit(t))||t.root;"both"!=e&&"backward"!=e||(i=new bs({boundaries:_s._createIn(o),startPosition:t,direction:"backward"})),"both"!=e&&"forward"!=e||(n=new bs({boundaries:_s._createIn(o),startPosition:t}));for(const t of function*(t,e){let i=!1;for(;!i;){if(i=!0,t){const e=t.next();e.done||(i=!1,yield{walker:t,value:e.value})}if(e){const t=e.next();t.done||(i=!1,yield{walker:e,value:t.value})}}}(i,n)){const e=t.walker==i?"elementEnd":"elementStart",n=t.value;if(n.type==e&&this.isObject(n.item))return _s._createOn(n.item);if(this.checkChild(n.nextPosition,"$text"))return new _s(n.nextPosition)}return null}findAllowedParent(t,e){let i=t.parent;for(;i;){if(this.checkChild(i,e))return i;if(this.isLimit(i))return null;i=i.parent}return null}removeDisallowedAttributes(t,e){for(const i of t)if(i.is("text"))ua(this,i,e);else{const t=_s._createIn(i).getPositions();for(const i of t){ua(this,i.nodeBefore||i.parent,e)}}}createContext(t){return new ea(t)}_clearCache(){this._compiledDefinitions=null}_compile(){const t={},e=this._sourceDefinitions,i=Object.keys(e);for(const n of i)t[n]=ia(e[n],n);for(const e of i)na(t,e);for(const e of i)oa(t,e);for(const e of i)ra(t,e),sa(t,e);for(const e of i)aa(t,e),ca(t,e);this._compiledDefinitions=t}_checkContextMatch(t,e,i=e.length-1){const n=e.getItem(i);if(t.allowIn.includes(n.name)){if(0==i)return!0;{const t=this.getDefinition(n);return this._checkContextMatch(t,e,i-1)}}return!1}*_getValidRangesForRange(t,e){let i=t.start,n=t.start;for(const o of t.getItems({shallow:!0}))o.is("element")&&(yield*this._getValidRangesForRange(_s._createIn(o),e)),this.checkAttribute(o,e)||(i.isEqual(n)||(yield new _s(i,n)),i=ks._createAfter(o)),n=ks._createAfter(o);i.isEqual(n)||(yield new _s(i,n))}}vi(ta,Un);class ea{constructor(t){if(t instanceof ea)return t;"string"==typeof t?t=[t]:Array.isArray(t)||(t=t.getAncestors({includeSelf:!0})),t[0]&&"string"!=typeof t[0]&&t[0].is("documentFragment")&&t.shift(),this._items=t.map(ha)}get length(){return this._items.length}get last(){return this._items[this._items.length-1]}[Symbol.iterator](){return this._items[Symbol.iterator]()}push(t){const e=new ea([t]);return e._items=[...this._items,...e._items],e}getItem(t){return this._items[t]}*getNames(){yield*this._items.map(t=>t.name)}endsWith(t){return Array.from(this.getNames()).join(" ").endsWith(t)}startsWith(t){return Array.from(this.getNames()).join(" ").startsWith(t)}}function ia(t,e){const i={name:e,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],inheritTypesFrom:[]};return function(t,e){for(const i of t){const t=Object.keys(i).filter(t=>t.startsWith("is"));for(const n of t)e[n]=i[n]}}(t,i),la(t,i,"allowIn"),la(t,i,"allowContentOf"),la(t,i,"allowWhere"),la(t,i,"allowAttributes"),la(t,i,"allowAttributesOf"),la(t,i,"inheritTypesFrom"),function(t,e){for(const i of t){const t=i.inheritAllFrom;t&&(e.allowContentOf.push(t),e.allowWhere.push(t),e.allowAttributesOf.push(t),e.inheritTypesFrom.push(t))}}(t,i),i}function na(t,e){for(const i of t[e].allowContentOf)if(t[i]){da(t,i).forEach(t=>{t.allowIn.push(e)})}delete t[e].allowContentOf}function oa(t,e){for(const i of t[e].allowWhere){const n=t[i];if(n){const i=n.allowIn;t[e].allowIn.push(...i)}}delete t[e].allowWhere}function ra(t,e){for(const i of t[e].allowAttributesOf){const n=t[i];if(n){const i=n.allowAttributes;t[e].allowAttributes.push(...i)}}delete t[e].allowAttributesOf}function sa(t,e){const i=t[e];for(const e of i.inheritTypesFrom){const n=t[e];if(n){const t=Object.keys(n).filter(t=>t.startsWith("is"));for(const e of t)e in i||(i[e]=n[e])}}delete i.inheritTypesFrom}function aa(t,e){const i=t[e],n=i.allowIn.filter(e=>t[e]);i.allowIn=Array.from(new Set(n))}function ca(t,e){const i=t[e];i.allowAttributes=Array.from(new Set(i.allowAttributes))}function la(t,e,i){for(const n of t)"string"==typeof n[i]?e[i].push(n[i]):Array.isArray(n[i])&&e[i].push(...n[i])}function da(t,e){const i=t[e];return(n=t,Object.keys(n).map(t=>n[t])).filter(t=>t.allowIn.includes(i.name));var n}function ha(t){return"string"==typeof t?{name:t,*getAttributeKeys(){},getAttribute(){}}:{name:t.is("element")?t.name:"$text",*getAttributeKeys(){yield*t.getAttributeKeys()},getAttribute:e=>t.getAttribute(e)}}function ua(t,e,i){for(const n of e.getAttributeKeys())t.checkAttribute(e,n)||i.removeAttribute(n,e)}class fa{constructor(t={}){this._splitParts=new Map,this._modelCursor=null,this.conversionApi=Object.assign({},t),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(t,e,i=["$root"]){this.fire("viewCleanup",t),this._modelCursor=function(t,e){let i;for(const n of new ea(t)){const t={};for(const e of n.getAttributeKeys())t[e]=n.getAttribute(e);const o=e.createElement(n.name,t);i&&e.append(o,i),i=ks._createAt(o,0)}return i}(i,e),this.conversionApi.writer=e,this.conversionApi.consumable=Zs.createFrom(t),this.conversionApi.store={};const{modelRange:n}=this._convertItem(t,this._modelCursor),o=e.createDocumentFragment();if(n){this._removeEmptyElements();for(const t of Array.from(this._modelCursor.parent.getChildren()))e.append(t,o);o.markers=function(t,e){const i=new Set,n=new Map,o=_s._createIn(t).getItems();for(const t of o)"$marker"==t.name&&i.add(t);for(const t of i){const i=t.getAttribute("data-name"),o=e.createPositionBefore(t);n.has(i)?n.get(i).end=o.clone():n.set(i,new _s(o.clone())),e.remove(t)}return n}(o,e)}return this._modelCursor=null,this._splitParts.clear(),this.conversionApi.writer=null,this.conversionApi.store=null,o}_convertItem(t,e){const i=Object.assign({viewItem:t,modelCursor:e,modelRange:null});if(t.is("element")?this.fire("element:"+t.name,i,this.conversionApi):t.is("text")?this.fire("text",i,this.conversionApi):this.fire("documentFragment",i,this.conversionApi),i.modelRange&&!(i.modelRange instanceof _s))throw new hi.b("view-conversion-dispatcher-incorrect-result: Incorrect conversion result was dropped.",this);return{modelRange:i.modelRange,modelCursor:i.modelCursor}}_convertChildren(t,e){const i=new _s(e);let n=e;for(const e of Array.from(t.getChildren())){const t=this._convertItem(e,n);t.modelRange instanceof _s&&(i.end=t.modelRange.end,n=t.modelCursor)}return{modelRange:i,modelCursor:n}}_splitToAllowedParent(t,e){const i=this.conversionApi.schema.findAllowedParent(e,t);if(!i)return null;if(i===e.parent)return{position:e};if(this._modelCursor.parent.getAncestors().includes(i))return null;const n=this.conversionApi.writer.split(e,i),o=[];for(const t of n.range.getWalker())if("elementEnd"==t.type)o.push(t.item);else{const e=o.pop(),i=t.item;this._registerSplitPair(e,i)}return{position:n.position,cursorParent:n.range.end.parent}}_registerSplitPair(t,e){this._splitParts.has(t)||this._splitParts.set(t,[t]);const i=this._splitParts.get(t);this._splitParts.set(e,i),i.push(e)}_getSplitParts(t){let e;return e=this._splitParts.has(t)?this._splitParts.get(t):[t],e}_removeEmptyElements(){let t=!1;for(const e of this._splitParts.keys())e.isEmpty&&(this.conversionApi.writer.remove(e),this._splitParts.delete(e),t=!0);t&&this._removeEmptyElements()}}vi(fa,mi);class ma{constructor(t,e){this.model=t,this.stylesProcessor=e,this.processor,this.mapper=new vs,this.downcastDispatcher=new As({mapper:this.mapper}),this.downcastDispatcher.on("insert:$text",(t,e,i)=>{if(!i.consumable.consume(e.item,"insert"))return;const n=i.writer,o=i.mapper.toViewPosition(e.range.start),r=n.createText(e.item.data);n.insert(o,r)},{priority:"lowest"}),this.upcastDispatcher=new fa({schema:t.schema}),this.viewDocument=new oo(e),this._viewWriter=new Ao(this.viewDocument),this.upcastDispatcher.on("text",(t,e,i)=>{if(i.schema.checkChild(e.modelCursor,"$text")&&i.consumable.consume(e.viewItem)){const t=i.writer.createText(e.viewItem.data);i.writer.insert(t,e.modelCursor),e.modelRange=_s._createFromPositionAndShift(e.modelCursor,t.offsetSize),e.modelCursor=e.modelRange.end}},{priority:"lowest"}),this.upcastDispatcher.on("element",(t,e,i)=>{if(!e.modelRange&&i.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:n}=i.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=n}},{priority:"lowest"}),this.upcastDispatcher.on("documentFragment",(t,e,i)=>{if(!e.modelRange&&i.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:n}=i.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=n}},{priority:"lowest"}),this.decorate("init"),this.on("init",()=>{this.fire("ready")},{priority:"lowest"})}get(t){const{rootName:e="main",trim:i="empty"}=t||{};if(!this._checkIfRootsExists([e]))throw new hi.b("datacontroller-get-non-existent-root: Attempting to get data from a non-existing root.",this);const n=this.model.document.getRoot(e);return"empty"!==i||this.model.hasContent(n,{ignoreWhitespaces:!0})?this.stringify(n):""}stringify(t){const e=this.toView(t);return this.processor.toData(e)}toView(t){const e=this.viewDocument,i=this._viewWriter;this.mapper.clearBindings();const n=_s._createIn(t),o=new xo(e);if(this.mapper.bindElements(t,o),this.downcastDispatcher.convertInsert(n,i),!t.is("documentFragment")){const e=function(t){const e=[],i=t.root.document;if(!i)return[];const n=_s._createIn(t);for(const t of i.model.markers){const i=n.getIntersection(t.getRange());i&&e.push([t.name,i])}return e}(t);for(const[t,n]of e)this.downcastDispatcher.convertMarkerAdd(t,n,i)}return o}init(t){if(this.model.document.version)throw new hi.b("datacontroller-init-document-not-empty: Trying to set initial data to not empty document.",this);let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new hi.b("datacontroller-init-non-existent-root: Attempting to init data on a non-existing root.",this);return this.model.enqueueChange("transparent",t=>{for(const i of Object.keys(e)){const n=this.model.document.getRoot(i);t.insert(this.parse(e[i],n),n,0)}}),Promise.resolve()}set(t){let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new hi.b("datacontroller-set-non-existent-root: Attempting to set data on a non-existing root.",this);this.model.enqueueChange("transparent",t=>{t.setSelection(null),t.removeSelectionAttribute(this.model.document.selection.getAttributeKeys());for(const i of Object.keys(e)){const n=this.model.document.getRoot(i);t.remove(t.createRangeIn(n)),t.insert(this.parse(e[i],n),n,0)}})}parse(t,e="$root"){const i=this.processor.toView(t);return this.toModel(i,e)}toModel(t,e="$root"){return this.model.change(i=>this.upcastDispatcher.convert(t,i,e))}addStyleProcessorRules(t){t(this.stylesProcessor)}destroy(){this.stopListening()}_checkIfRootsExists(t){for(const e of t)if(!this.model.document.getRootNames().includes(e))return!1;return!0}}vi(ma,Un);class ga{constructor(t,e){this._helpers=new Map,this._downcast=Array.isArray(t)?t:[t],this._createConversionHelpers({name:"downcast",dispatchers:this._downcast,isDowncast:!0}),this._upcast=Array.isArray(e)?e:[e],this._createConversionHelpers({name:"upcast",dispatchers:this._upcast,isDowncast:!1})}addAlias(t,e){const i=this._downcast.includes(e);if(!this._upcast.includes(e)&&!i)throw new hi.b("conversion-add-alias-dispatcher-not-registered: Trying to register and alias for a dispatcher that nas not been registered.",this);this._createConversionHelpers({name:t,dispatchers:[e],isDowncast:i})}for(t){if(!this._helpers.has(t))throw new hi.b("conversion-for-unknown-group: Trying to add a converter to an unknown dispatchers group.",this);return this._helpers.get(t)}elementToElement(t){this.for("downcast").elementToElement(t);for(const{model:e,view:i}of pa(t))this.for("upcast").elementToElement({model:e,view:i,converterPriority:t.converterPriority})}attributeToElement(t){this.for("downcast").attributeToElement(t);for(const{model:e,view:i}of pa(t))this.for("upcast").elementToAttribute({view:i,model:e,converterPriority:t.converterPriority})}attributeToAttribute(t){this.for("downcast").attributeToAttribute(t);for(const{model:e,view:i}of pa(t))this.for("upcast").attributeToAttribute({view:i,model:e})}_createConversionHelpers({name:t,dispatchers:e,isDowncast:i}){if(this._helpers.has(t))throw new hi.b("conversion-group-exists: Trying to register a group name that has already been registered.",this);const n=i?new zs(e):new Ws(e);this._helpers.set(t,n)}}function*pa(t){if(t.model.values)for(const e of t.model.values){const i={key:t.model.key,value:e},n=t.view[e],o=t.upcastAlso?t.upcastAlso[e]:void 0;yield*ba(i,n,o)}else yield*ba(t.model,t.view,t.upcastAlso)}function*ba(t,e,i){if(yield{model:t,view:e},i){i=Array.isArray(i)?i:[i];for(const e of i)yield{model:t,view:e}}}class wa{constructor(t="default"){this.operations=[],this.type=t}get baseVersion(){for(const t of this.operations)if(null!==t.baseVersion)return t.baseVersion;return null}addOperation(t){return t.batch=this,this.operations.push(t),t}}class ka{constructor(t){this.baseVersion=t,this.isDocumentOperation=null!==this.baseVersion,this.batch=null}_validate(){}toJSON(){const t=Object.assign({},this);return t.__className=this.constructor.className,delete t.batch,delete t.isDocumentOperation,t}static get className(){return"Operation"}static fromJSON(t){return new this(t.baseVersion)}}class _a{constructor(t){this.markers=new Map,this._children=new gs,t&&this._insertChild(0,t)}[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(t){return"documentFragment"==t||"model:documentFragment"==t}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}getPath(){return[]}getNodeByPath(t){let e=this;for(const i of t)e=e.getChild(e.offsetToIndex(i));return e}offsetToIndex(t){return this._children.offsetToIndex(t)}toJSON(){const t=[];for(const e of this._children)t.push(e.toJSON());return t}static fromJSON(t){const e=[];for(const i of t)i.name?e.push(ps.fromJSON(i)):e.push(fs.fromJSON(i));return new _a(e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const i=function(t){if("string"==typeof t)return[new fs(t)];Ri(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new fs(t):t instanceof ms?new fs(t.data,t.getAttributes()):t)}(e);for(const t of i)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,i)}_removeChildren(t,e=1){const i=this._children._removeNodes(t,e);for(const t of i)t.parent=null;return i}}function va(t,e){const i=(e=Aa(e)).reduce((t,e)=>t+e.offsetSize,0),n=t.parent;Ca(t);const o=t.index;return n._insertChild(o,e),Ta(n,o+e.length),Ta(n,o),new _s(t,t.getShiftedBy(i))}function ya(t){if(!t.isFlat)throw new hi.b("operation-utils-remove-range-not-flat: Trying to remove a range which starts and ends in different element.",this);const e=t.start.parent;Ca(t.start),Ca(t.end);const i=e._removeChildren(t.start.index,t.end.index-t.start.index);return Ta(e,t.start.index),i}function xa(t,e){if(!t.isFlat)throw new hi.b("operation-utils-move-range-not-flat: Trying to move a range which starts and ends in different element.",this);const i=ya(t);return va(e=e._getTransformedByDeletion(t.start,t.end.offset-t.start.offset),i)}function Aa(t){const e=[];t instanceof Array||(t=[t]);for(let i=0;i<t.length;i++)if("string"==typeof t[i])e.push(new fs(t[i]));else if(t[i]instanceof ms)e.push(new fs(t[i].data,t[i].getAttributes()));else if(t[i]instanceof _a||t[i]instanceof gs)for(const n of t[i])e.push(n);else t[i]instanceof us&&e.push(t[i]);for(let t=1;t<e.length;t++){const i=e[t],n=e[t-1];i instanceof fs&&n instanceof fs&&Pa(i,n)&&(e.splice(t-1,2,new fs(n.data+i.data,n.getAttributes())),t--)}return e}function Ta(t,e){const i=t.getChild(e-1),n=t.getChild(e);if(i&&n&&i.is("text")&&n.is("text")&&Pa(i,n)){const o=new fs(i.data+n.data,i.getAttributes());t._removeChildren(e-1,2),t._insertChild(e-1,o)}}function Ca(t){const e=t.textNode,i=t.parent;if(e){const n=t.offset-e.startOffset,o=e.index;i._removeChildren(o,1);const r=new fs(e.data.substr(0,n),e.getAttributes()),s=new fs(e.data.substr(n),e.getAttributes());i._insertChild(o,[r,s])}}function Pa(t,e){const i=t.getAttributes(),n=e.getAttributes();for(const t of i){if(t[1]!==e.getAttribute(t[0]))return!1;n.next()}return n.next().done}var Sa=function(t,e){return Sr(t,e)};class Ma extends ka{constructor(t,e,i,n,o){super(o),this.range=t.clone(),this.key=e,this.oldValue=void 0===i?null:i,this.newValue=void 0===n?null:n}get type(){return null===this.oldValue?"addAttribute":null===this.newValue?"removeAttribute":"changeAttribute"}clone(){return new Ma(this.range,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new Ma(this.range,this.key,this.newValue,this.oldValue,this.baseVersion+1)}toJSON(){const t=super.toJSON();return t.range=this.range.toJSON(),t}_validate(){if(!this.range.isFlat)throw new hi.b("attribute-operation-range-not-flat: The range to change is not flat.",this);for(const t of this.range.getItems({shallow:!0})){if(null!==this.oldValue&&!Sa(t.getAttribute(this.key),this.oldValue))throw new hi.b("attribute-operation-wrong-old-value: Changed node has different attribute value than operation's old attribute value.",this,{item:t,key:this.key,value:this.oldValue});if(null===this.oldValue&&null!==this.newValue&&t.hasAttribute(this.key))throw new hi.b("attribute-operation-attribute-exists: The attribute with given key already exists.",this,{node:t,key:this.key})}}_execute(){Sa(this.oldValue,this.newValue)||function(t,e,i){Ca(t.start),Ca(t.end);for(const n of t.getItems({shallow:!0})){const t=n.is("textProxy")?n.textNode:n;null!==i?t._setAttribute(e,i):t._removeAttribute(e),Ta(t.parent,t.index)}Ta(t.end.parent,t.end.index)}(this.range,this.key,this.newValue)}static get className(){return"AttributeOperation"}static fromJSON(t,e){return new Ma(_s.fromJSON(t.range,e),t.key,t.oldValue,t.newValue,t.baseVersion)}}class Ea extends ka{constructor(t,e){super(null),this.sourcePosition=t.clone(),this.howMany=e}get type(){return"detach"}toJSON(){const t=super.toJSON();return t.sourcePosition=this.sourcePosition.toJSON(),t}_validate(){if(this.sourcePosition.root.document)throw new hi.b("detach-operation-on-document-node: Cannot detach document node.",this)}_execute(){ya(_s._createFromPositionAndShift(this.sourcePosition,this.howMany))}static get className(){return"DetachOperation"}}class Ia extends ka{constructor(t,e,i,n){super(n),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toNext",this.howMany=e,this.targetPosition=i.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 t=this.sourcePosition._getTransformedByInsertion(this.targetPosition,this.howMany);return new this.constructor(this.getMovedRangeStart(),this.howMany,t,this.baseVersion+1)}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent,i=this.sourcePosition.offset,n=this.targetPosition.offset;if(i+this.howMany>t.maxOffset)throw new hi.b("move-operation-nodes-do-not-exist: The nodes which should be moved do not exist.",this);if(t===e&&i<n&&n<i+this.howMany)throw new hi.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"==Mi(this.sourcePosition.getParentPath(),this.targetPosition.getParentPath())){const t=this.sourcePosition.path.length-1;if(this.targetPosition.path[t]>=i&&this.targetPosition.path[t]<i+this.howMany)throw new hi.b("move-operation-node-into-itself: Trying to move a range of nodes into one of nodes from that range.",this)}}_execute(){xa(_s._createFromPositionAndShift(this.sourcePosition,this.howMany),this.targetPosition)}toJSON(){const t=super.toJSON();return t.sourcePosition=this.sourcePosition.toJSON(),t.targetPosition=this.targetPosition.toJSON(),t}static get className(){return"MoveOperation"}static fromJSON(t,e){const i=ks.fromJSON(t.sourcePosition,e),n=ks.fromJSON(t.targetPosition,e);return new this(i,t.howMany,n,t.baseVersion)}}class Na extends ka{constructor(t,e,i){super(i),this.position=t.clone(),this.position.stickiness="toNone",this.nodes=new gs(Aa(e)),this.shouldReceiveAttributes=!1}get type(){return"insert"}get howMany(){return this.nodes.maxOffset}clone(){const t=new gs([...this.nodes].map(t=>t._clone(!0))),e=new Na(this.position,t,this.baseVersion);return e.shouldReceiveAttributes=this.shouldReceiveAttributes,e}getReversed(){const t=this.position.root.document.graveyard,e=new ks(t,[0]);return new Ia(this.position,this.nodes.maxOffset,e,this.baseVersion+1)}_validate(){const t=this.position.parent;if(!t||t.maxOffset<this.position.offset)throw new hi.b("insert-operation-position-invalid: Insertion position is invalid.",this)}_execute(){const t=this.nodes;this.nodes=new gs([...t].map(t=>t._clone(!0))),va(this.position,t)}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t.nodes=this.nodes.toJSON(),t}static get className(){return"InsertOperation"}static fromJSON(t,e){const i=[];for(const e of t.nodes)e.name?i.push(ps.fromJSON(e)):i.push(fs.fromJSON(e));const n=new Na(ks.fromJSON(t.position,e),i,t.baseVersion);return n.shouldReceiveAttributes=t.shouldReceiveAttributes,n}}class Oa extends ka{constructor(t,e,i,n,o,r){super(r),this.name=t,this.oldRange=e?e.clone():null,this.newRange=i?i.clone():null,this.affectsData=o,this._markers=n}get type(){return"marker"}clone(){return new Oa(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new Oa(this.name,this.newRange,this.oldRange,this._markers,this.affectsData,this.baseVersion+1)}_execute(){const t=this.newRange?"_set":"_remove";this._markers[t](this.name,this.newRange,!0,this.affectsData)}toJSON(){const t=super.toJSON();return this.oldRange&&(t.oldRange=this.oldRange.toJSON()),this.newRange&&(t.newRange=this.newRange.toJSON()),delete t._markers,t}static get className(){return"MarkerOperation"}static fromJSON(t,e){return new Oa(t.name,t.oldRange?_s.fromJSON(t.oldRange,e):null,t.newRange?_s.fromJSON(t.newRange,e):null,e.model.markers,t.affectsData,t.baseVersion)}}class Ra extends ka{constructor(t,e,i,n){super(n),this.position=t,this.position.stickiness="toNext",this.oldName=e,this.newName=i}get type(){return"rename"}clone(){return new Ra(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new Ra(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const t=this.position.nodeAfter;if(!(t instanceof ps))throw new hi.b("rename-operation-wrong-position: Given position is invalid or node after it is not an instance of Element.",this);if(t.name!==this.oldName)throw new hi.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 t=super.toJSON();return t.position=this.position.toJSON(),t}static get className(){return"RenameOperation"}static fromJSON(t,e){return new Ra(ks.fromJSON(t.position,e),t.oldName,t.newName,t.baseVersion)}}class Da extends ka{constructor(t,e,i,n,o){super(o),this.root=t,this.key=e,this.oldValue=i,this.newValue=n}get type(){return null===this.oldValue?"addRootAttribute":null===this.newValue?"removeRootAttribute":"changeRootAttribute"}clone(){return new Da(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new Da(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is("documentFragment"))throw new hi.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 hi.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 hi.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 t=super.toJSON();return t.root=this.root.toJSON(),t}static get className(){return"RootAttributeOperation"}static fromJSON(t,e){if(!e.getRoot(t.root))throw new hi.b("rootattribute-operation-fromjson-no-root: Cannot create RootAttributeOperation. Root with specified name does not exist.",this,{rootName:t.root});return new Da(e.getRoot(t.root),t.key,t.oldValue,t.newValue,t.baseVersion)}}class La extends ka{constructor(t,e,i,n,o){super(o),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toPrevious",this.howMany=e,this.targetPosition=i.clone(),this.targetPosition.stickiness="toNext",this.graveyardPosition=n.clone()}get type(){return"merge"}get deletionPosition(){return new ks(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const t=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new _s(this.sourcePosition,t)}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const t=this.targetPosition._getTransformedByMergeOperation(this),e=this.sourcePosition.path.slice(0,-1),i=new ks(this.sourcePosition.root,e)._getTransformedByMergeOperation(this),n=new ja(t,this.howMany,this.graveyardPosition,this.baseVersion+1);return n.insertionPosition=i,n}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent;if(!t.parent)throw new hi.b("merge-operation-source-position-invalid: Merge source position is invalid.",this);if(!e.parent)throw new hi.b("merge-operation-target-position-invalid: Merge target position is invalid.",this);if(this.howMany!=t.maxOffset)throw new hi.b("merge-operation-how-many-invalid: Merge operation specifies wrong number of nodes to move.",this)}_execute(){const t=this.sourcePosition.parent;xa(_s._createIn(t),this.targetPosition),xa(_s._createOn(t),this.graveyardPosition)}toJSON(){const t=super.toJSON();return t.sourcePosition=t.sourcePosition.toJSON(),t.targetPosition=t.targetPosition.toJSON(),t.graveyardPosition=t.graveyardPosition.toJSON(),t}static get className(){return"MergeOperation"}static fromJSON(t,e){const i=ks.fromJSON(t.sourcePosition,e),n=ks.fromJSON(t.targetPosition,e),o=ks.fromJSON(t.graveyardPosition,e);return new this(i,t.howMany,n,o,t.baseVersion)}}class ja extends ka{constructor(t,e,i,n){super(n),this.splitPosition=t.clone(),this.splitPosition.stickiness="toNext",this.howMany=e,this.insertionPosition=ja.getInsertionPosition(t),this.insertionPosition.stickiness="toNone",this.graveyardPosition=i?i.clone():null,this.graveyardPosition&&(this.graveyardPosition.stickiness="toNext")}get type(){return"split"}get moveTargetPosition(){const t=this.insertionPosition.path.slice();return t.push(0),new ks(this.insertionPosition.root,t)}get movedRange(){const t=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new _s(this.splitPosition,t)}clone(){const t=new this.constructor(this.splitPosition,this.howMany,this.graveyardPosition,this.baseVersion);return t.insertionPosition=this.insertionPosition,t}getReversed(){const t=this.splitPosition.root.document.graveyard,e=new ks(t,[0]);return new La(this.moveTargetPosition,this.howMany,this.splitPosition,e,this.baseVersion+1)}_validate(){const t=this.splitPosition.parent,e=this.splitPosition.offset;if(!t||t.maxOffset<e)throw new hi.b("split-operation-position-invalid: Split position is invalid.",this);if(!t.parent)throw new hi.b("split-operation-split-in-root: Cannot split root element.",this);if(this.howMany!=t.maxOffset-this.splitPosition.offset)throw new hi.b("split-operation-how-many-invalid: Split operation specifies wrong number of nodes to move.",this);if(this.graveyardPosition&&!this.graveyardPosition.nodeAfter)throw new hi.b("split-operation-graveyard-position-invalid: Graveyard position invalid.",this)}_execute(){const t=this.splitPosition.parent;if(this.graveyardPosition)xa(_s._createFromPositionAndShift(this.graveyardPosition,1),this.insertionPosition);else{const e=t._clone();va(this.insertionPosition,e)}xa(new _s(ks._createAt(t,this.splitPosition.offset),ks._createAt(t,t.maxOffset)),this.moveTargetPosition)}toJSON(){const t=super.toJSON();return t.splitPosition=this.splitPosition.toJSON(),t.insertionPosition=this.insertionPosition.toJSON(),this.graveyardPosition&&(t.graveyardPosition=this.graveyardPosition.toJSON()),t}static get className(){return"SplitOperation"}static getInsertionPosition(t){const e=t.path.slice(0,-1);return e[e.length-1]++,new ks(t.root,e)}static fromJSON(t,e){const i=ks.fromJSON(t.splitPosition,e),n=ks.fromJSON(t.insertionPosition,e),o=t.graveyardPosition?ks.fromJSON(t.graveyardPosition,e):null,r=new this(i,t.howMany,o,t.baseVersion);return r.insertionPosition=n,r}}class Va extends ps{constructor(t,e,i="main"){super(e),this._document=t,this.rootName=i}get document(){return this._document}is(t,e){const i=t.replace("model:","");return e?"rootElement"==i&&e==this.name||super.is(t,e):"rootElement"==i||super.is(t)}toJSON(){return this.rootName}}class za{constructor(t,e){this.model=t,this.batch=e}createText(t,e){return new fs(t,e)}createElement(t,e){return new ps(t,e)}createDocumentFragment(){return new _a}insert(t,e,i=0){if(this._assertWriterUsedCorrectly(),t instanceof fs&&""==t.data)return;const n=ks._createAt(e,i);if(t.parent){if(qa(t.root,n.root))return void this.move(_s._createOn(t),n);if(t.root.document)throw new hi.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(t)}const o=n.root.document?n.root.document.version:null,r=new Na(n,t,o);if(t instanceof fs&&(r.shouldReceiveAttributes=!0),this.batch.addOperation(r),this.model.applyOperation(r),t instanceof _a)for(const[e,i]of t.markers){const t=ks._createAt(i.root,0),o={range:new _s(i.start._getCombined(t,n),i.end._getCombined(t,n)),usingOperation:!0,affectsData:!0};this.model.markers.has(e)?this.updateMarker(e,o):this.addMarker(e,o)}}insertText(t,e,i,n){e instanceof _a||e instanceof ps||e instanceof ks?this.insert(this.createText(t),e,i):this.insert(this.createText(t,e),i,n)}insertElement(t,e,i,n){e instanceof _a||e instanceof ps||e instanceof ks?this.insert(this.createElement(t),e,i):this.insert(this.createElement(t,e),i,n)}append(t,e){this.insert(t,e,"end")}appendText(t,e,i){e instanceof _a||e instanceof ps?this.insert(this.createText(t),e,"end"):this.insert(this.createText(t,e),i,"end")}appendElement(t,e,i){e instanceof _a||e instanceof ps?this.insert(this.createElement(t),e,"end"):this.insert(this.createElement(t,e),i,"end")}setAttribute(t,e,i){if(this._assertWriterUsedCorrectly(),i instanceof _s){const n=i.getMinimalFlatRanges();for(const i of n)Ba(this,t,e,i)}else Fa(this,t,e,i)}setAttributes(t,e){for(const[i,n]of Di(t))this.setAttribute(i,n,e)}removeAttribute(t,e){if(this._assertWriterUsedCorrectly(),e instanceof _s){const i=e.getMinimalFlatRanges();for(const e of i)Ba(this,t,null,e)}else Fa(this,t,null,e)}clearAttributes(t){this._assertWriterUsedCorrectly();const e=t=>{for(const e of t.getAttributeKeys())this.removeAttribute(e,t)};if(t instanceof _s)for(const i of t.getItems())e(i);else e(t)}move(t,e,i){if(this._assertWriterUsedCorrectly(),!(t instanceof _s))throw new hi.b("writer-move-invalid-range: Invalid range to move.",this);if(!t.isFlat)throw new hi.b("writer-move-range-not-flat: Range to move is not flat.",this);const n=ks._createAt(e,i);if(n.isEqual(t.start))return;if(this._addOperationForAffectedMarkers("move",t),!qa(t.root,n.root))throw new hi.b("writer-move-different-document: Range is going to be moved between different documents.",this);const o=t.root.document?t.root.document.version:null,r=new Ia(t.start,t.end.offset-t.start.offset,n,o);this.batch.addOperation(r),this.model.applyOperation(r)}remove(t){this._assertWriterUsedCorrectly();const e=(t instanceof _s?t:_s._createOn(t)).getMinimalFlatRanges().reverse();for(const t of e)this._addOperationForAffectedMarkers("move",t),Ha(t.start,t.end.offset-t.start.offset,this.batch,this.model)}merge(t){this._assertWriterUsedCorrectly();const e=t.nodeBefore,i=t.nodeAfter;if(this._addOperationForAffectedMarkers("merge",t),!(e instanceof ps))throw new hi.b("writer-merge-no-element-before: Node before merge position must be an element.",this);if(!(i instanceof ps))throw new hi.b("writer-merge-no-element-after: Node after merge position must be an element.",this);t.root.document?this._merge(t):this._mergeDetached(t)}createPositionFromPath(t,e,i){return this.model.createPositionFromPath(t,e,i)}createPositionAt(t,e){return this.model.createPositionAt(t,e)}createPositionAfter(t){return this.model.createPositionAfter(t)}createPositionBefore(t){return this.model.createPositionBefore(t)}createRange(t,e){return this.model.createRange(t,e)}createRangeIn(t){return this.model.createRangeIn(t)}createRangeOn(t){return this.model.createRangeOn(t)}createSelection(t,e,i){return this.model.createSelection(t,e,i)}_mergeDetached(t){const e=t.nodeBefore,i=t.nodeAfter;this.move(_s._createIn(i),ks._createAt(e,"end")),this.remove(i)}_merge(t){const e=ks._createAt(t.nodeBefore,"end"),i=ks._createAt(t.nodeAfter,0),n=t.root.document.graveyard,o=new ks(n,[0]),r=t.root.document.version,s=new La(i,t.nodeAfter.maxOffset,e,o,r);this.batch.addOperation(s),this.model.applyOperation(s)}rename(t,e){if(this._assertWriterUsedCorrectly(),!(t instanceof ps))throw new hi.b("writer-rename-not-element-instance: Trying to rename an object which is not an instance of Element.",this);const i=t.root.document?t.root.document.version:null,n=new Ra(ks._createBefore(t),t.name,e,i);this.batch.addOperation(n),this.model.applyOperation(n)}split(t,e){this._assertWriterUsedCorrectly();let i,n,o=t.parent;if(!o.parent)throw new hi.b("writer-split-element-no-parent: Element with no parent can not be split.",this);if(e||(e=o.parent),!t.parent.getAncestors({includeSelf:!0}).includes(e))throw new hi.b("writer-split-invalid-limit-element: Limit element is not a position ancestor.",this);do{const e=o.root.document?o.root.document.version:null,r=o.maxOffset-t.offset,s=new ja(t,r,null,e);this.batch.addOperation(s),this.model.applyOperation(s),i||n||(i=o,n=t.parent.nextSibling),o=(t=this.createPositionAfter(t.parent)).parent}while(o!==e);return{position:t,range:new _s(ks._createAt(i,"end"),ks._createAt(n,0))}}wrap(t,e){if(this._assertWriterUsedCorrectly(),!t.isFlat)throw new hi.b("writer-wrap-range-not-flat: Range to wrap is not flat.",this);const i=e instanceof ps?e:new ps(e);if(i.childCount>0)throw new hi.b("writer-wrap-element-not-empty: Element to wrap with is not empty.",this);if(null!==i.parent)throw new hi.b("writer-wrap-element-attached: Element to wrap with is already attached to tree model.",this);this.insert(i,t.start);const n=new _s(t.start.getShiftedBy(1),t.end.getShiftedBy(1));this.move(n,ks._createAt(i,0))}unwrap(t){if(this._assertWriterUsedCorrectly(),null===t.parent)throw new hi.b("writer-unwrap-element-no-parent: Trying to unwrap an element which has no parent.",this);this.move(_s._createIn(t),this.createPositionAfter(t)),this.remove(t)}addMarker(t,e){if(this._assertWriterUsedCorrectly(),!e||"boolean"!=typeof e.usingOperation)throw new hi.b("writer-addMarker-no-usingOperation: The options.usingOperation parameter is required when adding a new marker.",this);const i=e.usingOperation,n=e.range,o=void 0!==e.affectsData&&e.affectsData;if(this.model.markers.has(t))throw new hi.b("writer-addMarker-marker-exists: Marker with provided name already exists.",this);if(!n)throw new hi.b("writer-addMarker-no-range: Range parameter is required when adding a new marker.",this);return i?(Ua(this,t,null,n,o),this.model.markers.get(t)):this.model.markers._set(t,n,i,o)}updateMarker(t,e){this._assertWriterUsedCorrectly();const i="string"==typeof t?t:t.name,n=this.model.markers.get(i);if(!n)throw new hi.b("writer-updateMarker-marker-not-exists: Marker with provided name does not exists.",this);if(!e)return void this.model.markers._refresh(n);const o="boolean"==typeof e.usingOperation,r="boolean"==typeof e.affectsData,s=r?e.affectsData:n.affectsData;if(!o&&!e.range&&!r)throw new hi.b("writer-updateMarker-wrong-options: One of the options is required - provide range, usingOperations or affectsData.",this);const a=n.getRange(),c=e.range?e.range:a;o&&e.usingOperation!==n.managedUsingOperations?e.usingOperation?Ua(this,i,null,c,s):(Ua(this,i,a,null,s),this.model.markers._set(i,c,void 0,s)):n.managedUsingOperations?Ua(this,i,a,c,s):this.model.markers._set(i,c,void 0,s)}removeMarker(t){this._assertWriterUsedCorrectly();const e="string"==typeof t?t:t.name;if(!this.model.markers.has(e))throw new hi.b("writer-removeMarker-no-marker: Trying to remove marker which does not exist.",this);const i=this.model.markers.get(e);i.managedUsingOperations?Ua(this,e,i.getRange(),null,i.affectsData):this.model.markers._remove(e)}setSelection(t,e,i){this._assertWriterUsedCorrectly(),this.model.document.selection._setTo(t,e,i)}setSelectionFocus(t,e){this._assertWriterUsedCorrectly(),this.model.document.selection._setFocus(t,e)}setSelectionAttribute(t,e){if(this._assertWriterUsedCorrectly(),"string"==typeof t)this._setSelectionAttribute(t,e);else for(const[e,i]of Di(t))this._setSelectionAttribute(e,i)}removeSelectionAttribute(t){if(this._assertWriterUsedCorrectly(),"string"==typeof t)this._removeSelectionAttribute(t);else for(const e of t)this._removeSelectionAttribute(e)}overrideSelectionGravity(){return this.model.document.selection._overrideGravity()}restoreSelectionGravity(t){this.model.document.selection._restoreGravity(t)}_setSelectionAttribute(t,e){const i=this.model.document.selection;if(i.isCollapsed&&i.anchor.parent.isEmpty){const n=Rs._getStoreAttributeKey(t);this.setAttribute(n,e,i.anchor.parent)}i._setAttribute(t,e)}_removeSelectionAttribute(t){const e=this.model.document.selection;if(e.isCollapsed&&e.anchor.parent.isEmpty){const i=Rs._getStoreAttributeKey(t);this.removeAttribute(i,e.anchor.parent)}e._removeAttribute(t)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this)throw new hi.b("writer-incorrect-use: Trying to use a writer outside the change() block.",this)}_addOperationForAffectedMarkers(t,e){for(const i of this.model.markers){if(!i.managedUsingOperations)continue;const n=i.getRange();let o=!1;if("move"==t)o=e.containsPosition(n.start)||e.start.isEqual(n.start)||e.containsPosition(n.end)||e.end.isEqual(n.end);else{const t=e.nodeBefore,i=e.nodeAfter,r=n.start.parent==t&&n.start.isAtEnd,s=n.end.parent==i&&0==n.end.offset,a=n.end.nodeAfter==i,c=n.start.nodeAfter==i;o=r||s||a||c}o&&this.updateMarker(i.name,{range:n})}}}function Ba(t,e,i,n){const o=t.model,r=o.document;let s,a,c,l=n.start;for(const t of n.getWalker({shallow:!0}))c=t.item.getAttribute(e),s&&a!=c&&(a!=i&&d(),l=s),s=t.nextPosition,a=c;function d(){const n=new _s(l,s),c=n.root.document?r.version:null,d=new Ma(n,e,a,i,c);t.batch.addOperation(d),o.applyOperation(d)}s instanceof ks&&s!=l&&a!=i&&d()}function Fa(t,e,i,n){const o=t.model,r=o.document,s=n.getAttribute(e);let a,c;if(s!=i){if(n.root===n){const t=n.document?r.version:null;c=new Da(n,e,s,i,t)}else{a=new _s(ks._createBefore(n),t.createPositionAfter(n));const o=a.root.document?r.version:null;c=new Ma(a,e,s,i,o)}t.batch.addOperation(c),o.applyOperation(c)}}function Ua(t,e,i,n,o){const r=t.model,s=r.document,a=new Oa(e,i,n,r.markers,o,s.version);t.batch.addOperation(a),r.applyOperation(a)}function Ha(t,e,i,n){let o;if(t.root.document){const i=n.document,r=new ks(i.graveyard,[0]);o=new Ia(t,e,r,i.version)}else o=new Ea(t,e);i.addOperation(o),n.applyOperation(o)}function qa(t,e){return t===e||t instanceof Va&&e instanceof Va}class Wa{constructor(t){this._markerCollection=t,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(t){if(this._isInInsertedElement(t.parent))return;this._markRemove(t.parent,t.startOffset,t.offsetSize),this._markInsert(t.parent,t.startOffset,t.offsetSize);const e=_s._createOn(t);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getRange();this.bufferMarkerChange(t.name,e,e,t.affectsData)}this._cachedChanges=null}bufferOperation(t){switch(t.type){case"insert":if(this._isInInsertedElement(t.position.parent))return;this._markInsert(t.position.parent,t.position.offset,t.nodes.maxOffset);break;case"addAttribute":case"removeAttribute":case"changeAttribute":for(const e of t.range.getItems({shallow:!0}))this._isInInsertedElement(e.parent)||this._markAttribute(e);break;case"remove":case"move":case"reinsert":{if(t.sourcePosition.isEqual(t.targetPosition)||t.sourcePosition.getShiftedBy(t.howMany).isEqual(t.targetPosition))return;const e=this._isInInsertedElement(t.sourcePosition.parent),i=this._isInInsertedElement(t.targetPosition.parent);e||this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany),i||this._markInsert(t.targetPosition.parent,t.getMovedRangeStart().offset,t.howMany);break}case"rename":{if(this._isInInsertedElement(t.position.parent))return;this._markRemove(t.position.parent,t.position.offset,1),this._markInsert(t.position.parent,t.position.offset,1);const e=_s._createFromPositionAndShift(t.position,1);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getRange();this.bufferMarkerChange(t.name,e,e,t.affectsData)}break}case"split":{const e=t.splitPosition.parent;this._isInInsertedElement(e)||this._markRemove(e,t.splitPosition.offset,t.howMany),this._isInInsertedElement(t.insertionPosition.parent)||this._markInsert(t.insertionPosition.parent,t.insertionPosition.offset,1),t.graveyardPosition&&this._markRemove(t.graveyardPosition.parent,t.graveyardPosition.offset,1);break}case"merge":{const e=t.sourcePosition.parent;this._isInInsertedElement(e.parent)||this._markRemove(e.parent,e.startOffset,1);const i=t.graveyardPosition.parent;this._markInsert(i,t.graveyardPosition.offset,1);const n=t.targetPosition.parent;this._isInInsertedElement(n)||this._markInsert(n,t.targetPosition.offset,e.maxOffset);break}}this._cachedChanges=null}bufferMarkerChange(t,e,i,n){const o=this._changedMarkers.get(t);o?(o.newRange=i,o.affectsData=n,null==o.oldRange&&null==o.newRange&&this._changedMarkers.delete(t)):this._changedMarkers.set(t,{oldRange:e,newRange:i,affectsData:n})}getMarkersToRemove(){const t=[];for(const[e,i]of this._changedMarkers)null!=i.oldRange&&t.push({name:e,range:i.oldRange});return t}getMarkersToAdd(){const t=[];for(const[e,i]of this._changedMarkers)null!=i.newRange&&t.push({name:e,range:i.newRange});return t}getChangedMarkers(){return Array.from(this._changedMarkers).map(t=>({name:t[0],data:{oldRange:t[1].oldRange,newRange:t[1].newRange}}))}hasDataChanges(){for(const[,t]of this._changedMarkers)if(t.affectsData)return!0;return this._changesInElement.size>0}getChanges(t={includeChangesInGraveyard:!1}){if(this._cachedChanges)return t.includeChangesInGraveyard?this._cachedChangesWithGraveyard.slice():this._cachedChanges.slice();const e=[];for(const t of this._changesInElement.keys()){const i=this._changesInElement.get(t).sort((t,e)=>t.offset===e.offset?t.type!=e.type?"remove"==t.type?-1:1:0:t.offset<e.offset?-1:1),n=this._elementSnapshots.get(t),o=Ya(t.getChildren()),r=$a(n.length,i);let s=0,a=0;for(const i of r)if("i"===i)e.push(this._getInsertDiff(t,s,o[s].name)),s++;else if("r"===i)e.push(this._getRemoveDiff(t,s,n[a].name)),a++;else if("a"===i){const i=o[s].attributes,r=n[a].attributes;let c;if("$text"==o[s].name)c=new _s(ks._createAt(t,s),ks._createAt(t,s+1));else{const e=t.offsetToIndex(s);c=new _s(ks._createAt(t,s),ks._createAt(t.getChild(e),0))}e.push(...this._getAttributesDiff(c,r,i)),s++,a++}else s++,a++}e.sort((t,e)=>t.position.root!=e.position.root?t.position.root.rootName<e.position.root.rootName?-1:1:t.position.isEqual(e.position)?t.changeCount-e.changeCount:t.position.isBefore(e.position)?-1:1);for(let t=1;t<e.length;t++){const i=e[t-1],n=e[t],o="remove"==i.type&&"remove"==n.type&&"$text"==i.name&&"$text"==n.name&&i.position.isEqual(n.position),r="insert"==i.type&&"insert"==n.type&&"$text"==i.name&&"$text"==n.name&&i.position.parent==n.position.parent&&i.position.offset+i.length==n.position.offset,s="attribute"==i.type&&"attribute"==n.type&&i.position.parent==n.position.parent&&i.range.isFlat&&n.range.isFlat&&i.position.offset+i.length==n.position.offset&&i.attributeKey==n.attributeKey&&i.attributeOldValue==n.attributeOldValue&&i.attributeNewValue==n.attributeNewValue;(o||r||s)&&(e[t-1].length++,s&&(e[t-1].range.end=e[t-1].range.end.getShiftedBy(1)),e.splice(t,1),t--)}for(const t of e)delete t.changeCount,"attribute"==t.type&&(delete t.position,delete t.length);return this._changeCount=0,this._cachedChangesWithGraveyard=e.slice(),this._cachedChanges=e.slice().filter(Ga),t.includeChangesInGraveyard?this._cachedChangesWithGraveyard:this._cachedChanges}reset(){this._changesInElement.clear(),this._elementSnapshots.clear(),this._changedMarkers.clear(),this._cachedChanges=null}_markInsert(t,e,i){const n={type:"insert",offset:e,howMany:i,count:this._changeCount++};this._markChange(t,n)}_markRemove(t,e,i){const n={type:"remove",offset:e,howMany:i,count:this._changeCount++};this._markChange(t,n),this._removeAllNestedChanges(t,e,i)}_markAttribute(t){const e={type:"attribute",offset:t.startOffset,howMany:t.offsetSize,count:this._changeCount++};this._markChange(t.parent,e)}_markChange(t,e){this._makeSnapshot(t);const i=this._getChangesForElement(t);this._handleChange(e,i),i.push(e);for(let t=0;t<i.length;t++)i[t].howMany<1&&(i.splice(t,1),t--)}_getChangesForElement(t){let e;return this._changesInElement.has(t)?e=this._changesInElement.get(t):(e=[],this._changesInElement.set(t,e)),e}_makeSnapshot(t){this._elementSnapshots.has(t)||this._elementSnapshots.set(t,Ya(t.getChildren()))}_handleChange(t,e){t.nodesToHandle=t.howMany;for(const i of e){const n=t.offset+t.howMany,o=i.offset+i.howMany;if("insert"==t.type&&("insert"==i.type&&(t.offset<=i.offset?i.offset+=t.howMany:t.offset<o&&(i.howMany+=t.nodesToHandle,t.nodesToHandle=0)),"remove"==i.type&&t.offset<i.offset&&(i.offset+=t.howMany),"attribute"==i.type))if(t.offset<=i.offset)i.offset+=t.howMany;else if(t.offset<o){const o=i.howMany;i.howMany=t.offset-i.offset,e.unshift({type:"attribute",offset:n,howMany:o-i.howMany,count:this._changeCount++})}if("remove"==t.type){if("insert"==i.type)if(n<=i.offset)i.offset-=t.howMany;else if(n<=o)if(t.offset<i.offset){const e=n-i.offset;i.offset=t.offset,i.howMany-=e,t.nodesToHandle-=e}else i.howMany-=t.nodesToHandle,t.nodesToHandle=0;else if(t.offset<=i.offset)t.nodesToHandle-=i.howMany,i.howMany=0;else if(t.offset<o){const e=o-t.offset;i.howMany-=e,t.nodesToHandle-=e}if("remove"==i.type&&(n<=i.offset?i.offset-=t.howMany:t.offset<i.offset&&(t.nodesToHandle+=i.howMany,i.howMany=0)),"attribute"==i.type)if(n<=i.offset)i.offset-=t.howMany;else if(t.offset<i.offset){const e=n-i.offset;i.offset=t.offset,i.howMany-=e}else if(t.offset<o)if(n<=o){const n=i.howMany;i.howMany=t.offset-i.offset;const o=n-i.howMany-t.nodesToHandle;e.unshift({type:"attribute",offset:t.offset,howMany:o,count:this._changeCount++})}else i.howMany-=o-t.offset}if("attribute"==t.type){if("insert"==i.type)if(t.offset<i.offset&&n>i.offset){if(n>o){const t={type:"attribute",offset:o,howMany:n-o,count:this._changeCount++};this._handleChange(t,e),e.push(t)}t.nodesToHandle=i.offset-t.offset,t.howMany=t.nodesToHandle}else t.offset>=i.offset&&t.offset<o&&(n>o?(t.nodesToHandle=n-o,t.offset=o):t.nodesToHandle=0);if("remove"==i.type&&t.offset<i.offset&&n>i.offset){const o={type:"attribute",offset:i.offset,howMany:n-i.offset,count:this._changeCount++};this._handleChange(o,e),e.push(o),t.nodesToHandle=i.offset-t.offset,t.howMany=t.nodesToHandle}"attribute"==i.type&&(t.offset>=i.offset&&n<=o?(t.nodesToHandle=0,t.howMany=0,t.offset=0):t.offset<=i.offset&&n>=o&&(i.howMany=0))}}t.howMany=t.nodesToHandle,delete t.nodesToHandle}_getInsertDiff(t,e,i){return{type:"insert",position:ks._createAt(t,e),name:i,length:1,changeCount:this._changeCount++}}_getRemoveDiff(t,e,i){return{type:"remove",position:ks._createAt(t,e),name:i,length:1,changeCount:this._changeCount++}}_getAttributesDiff(t,e,i){const n=[];i=new Map(i);for(const[o,r]of e){const e=i.has(o)?i.get(o):null;e!==r&&n.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:o,attributeOldValue:r,attributeNewValue:e,changeCount:this._changeCount++}),i.delete(o)}for(const[e,o]of i)n.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:e,attributeOldValue:null,attributeNewValue:o,changeCount:this._changeCount++});return n}_isInInsertedElement(t){const e=t.parent;if(!e)return!1;const i=this._changesInElement.get(e),n=t.startOffset;if(i)for(const t of i)if("insert"==t.type&&n>=t.offset&&n<t.offset+t.howMany)return!0;return this._isInInsertedElement(e)}_removeAllNestedChanges(t,e,i){const n=new _s(ks._createAt(t,e),ks._createAt(t,e+i));for(const t of n.getItems({shallow:!0}))t.is("element")&&(this._elementSnapshots.delete(t),this._changesInElement.delete(t),this._removeAllNestedChanges(t,0,t.maxOffset))}}function Ya(t){const e=[];for(const i of t)if(i.is("text"))for(let t=0;t<i.data.length;t++)e.push({name:"$text",attributes:new Map(i.getAttributes())});else e.push({name:i.name,attributes:new Map(i.getAttributes())});return e}function $a(t,e){const i=[];let n=0,o=0;for(const t of e){if(t.offset>n){for(let e=0;e<t.offset-n;e++)i.push("e");o+=t.offset-n}if("insert"==t.type){for(let e=0;e<t.howMany;e++)i.push("i");n=t.offset+t.howMany}else if("remove"==t.type){for(let e=0;e<t.howMany;e++)i.push("r");n=t.offset,o+=t.howMany}else i.push(..."a".repeat(t.howMany).split("")),n=t.offset+t.howMany,o+=t.howMany}if(o<t)for(let e=0;e<t-o-n;e++)i.push("e");return i}function Ga(t){const e=t.position&&"$graveyard"==t.position.root.rootName,i=t.range&&"$graveyard"==t.range.root.rootName;return!e&&!i}class Qa{constructor(){this._operations=[],this._undoPairs=new Map,this._undoneOperations=new Set}addOperation(t){this._operations.includes(t)||this._operations.push(t)}getOperations(t=0,e=Number.POSITIVE_INFINITY){return t<0?[]:this._operations.slice(t,e)}getOperation(t){return this._operations[t]}setOperationAsUndone(t,e){this._undoPairs.set(e,t),this._undoneOperations.add(t)}isUndoingOperation(t){return this._undoPairs.has(t)}isUndoneOperation(t){return this._undoneOperations.has(t)}getUndoneOperation(t){return this._undoPairs.get(t)}}function Ka(t,e){return!!(i=t.charAt(e-1))&&1==i.length&&/[\ud800-\udbff]/.test(i)&&function(t){return!!t&&1==t.length&&/[\udc00-\udfff]/.test(t)}(t.charAt(e));var i}function Ja(t,e){return!!(i=t.charAt(e))&&1==i.length&&/[\u0300-\u036f\u1ab0-\u1aff\u1dc0-\u1dff\u20d0-\u20ff\ufe20-\ufe2f]/.test(i);var i}class Za{constructor(t){this.model=t,this.version=0,this.history=new Qa(this),this.selection=new Rs(this),this.roots=new yi({idProperty:"rootName"}),this.differ=new Wa(t.markers),this._postFixers=new Set,this._hasSelectionChangedFromTheLastChangeBlock=!1,this.createRoot("$root","$graveyard"),this.listenTo(t,"applyOperation",(t,e)=>{const i=e[0];if(i.isDocumentOperation&&i.baseVersion!==this.version)throw new hi.b("model-document-applyOperation-wrong-version: Only operations with matching versions can be applied.",this,{operation:i})},{priority:"highest"}),this.listenTo(t,"applyOperation",(t,e)=>{const i=e[0];i.isDocumentOperation&&this.differ.bufferOperation(i)},{priority:"high"}),this.listenTo(t,"applyOperation",(t,e)=>{const i=e[0];i.isDocumentOperation&&(this.version++,this.history.addOperation(i))},{priority:"low"}),this.listenTo(this.selection,"change",()=>{this._hasSelectionChangedFromTheLastChangeBlock=!0}),this.listenTo(t.markers,"update",(t,e,i,n)=>{this.differ.bufferMarkerChange(e.name,i,n,e.affectsData),null===i&&e.on("change",(t,i)=>{this.differ.bufferMarkerChange(e.name,i,e.getRange(),e.affectsData)})})}get graveyard(){return this.getRoot("$graveyard")}createRoot(t="$root",e="main"){if(this.roots.get(e))throw new hi.b("model-document-createRoot-name-exists: Root with specified name already exists.",this,{name:e});const i=new Va(this,t,e);return this.roots.add(i),i}destroy(){this.selection.destroy(),this.stopListening()}getRoot(t="main"){return this.roots.get(t)}getRootNames(){return Array.from(this.roots,t=>t.rootName).filter(t=>"$graveyard"!=t)}registerPostFixer(t){this._postFixers.add(t)}toJSON(){const t=Ei(this);return t.selection="[engine.model.DocumentSelection]",t.model="[engine.model.Model]",t}_handleChangeBlock(t){this._hasDocumentChangedFromTheLastChangeBlock()&&(this._callPostFixers(t),this.selection.refresh(),this.differ.hasDataChanges()?this.fire("change:data",t.batch):this.fire("change",t.batch),this.selection.refresh(),this.differ.reset()),this._hasSelectionChangedFromTheLastChangeBlock=!1}_hasDocumentChangedFromTheLastChangeBlock(){return!this.differ.isEmpty||this._hasSelectionChangedFromTheLastChangeBlock}_getDefaultRoot(){for(const t of this.roots)if(t!==this.graveyard)return t;return this.graveyard}_getDefaultRange(){const t=this._getDefaultRoot(),e=this.model,i=e.schema,n=e.createPositionFromPath(t,[0]);return i.getNearestSelectionRange(n)||e.createRange(n)}_validateSelectionRange(t){return Xa(t.start)&&Xa(t.end)}_callPostFixers(t){let e=!1;do{for(const i of this._postFixers)if(this.selection.refresh(),e=i(t),e)break}while(e)}}function Xa(t){const e=t.textNode;if(e){const i=e.data,n=t.offset-e.startOffset;return!Ka(i,n)&&!Ja(i,n)}return!0}vi(Za,mi);class tc{constructor(){this._markers=new Map}[Symbol.iterator](){return this._markers.values()}has(t){return this._markers.has(t)}get(t){return this._markers.get(t)||null}_set(t,e,i=!1,n=!1){const o=t instanceof ec?t.name:t,r=this._markers.get(o);if(r){const t=r.getRange();let s=!1;return t.isEqual(e)||(r._attachLiveRange(Is.fromRange(e)),s=!0),i!=r.managedUsingOperations&&(r._managedUsingOperations=i,s=!0),"boolean"==typeof n&&n!=r.affectsData&&(r._affectsData=n,s=!0),s&&this.fire("update:"+o,r,t,e),r}const s=Is.fromRange(e),a=new ec(o,s,i,n);return this._markers.set(o,a),this.fire("update:"+o,a,null,e),a}_remove(t){const e=t instanceof ec?t.name:t,i=this._markers.get(e);return!!i&&(this._markers.delete(e),this.fire("update:"+e,i,i.getRange(),null),this._destroyMarker(i),!0)}_refresh(t){const e=t instanceof ec?t.name:t,i=this._markers.get(e);if(!i)throw new hi.b("markercollection-refresh-marker-not-exists: Marker with provided name does not exists.",this);const n=i.getRange();this.fire("update:"+e,i,n,n,i.managedUsingOperations,i.affectsData)}*getMarkersAtPosition(t){for(const e of this)e.getRange().containsPosition(t)&&(yield e)}*getMarkersIntersectingRange(t){for(const e of this)null!==e.getRange().getIntersection(t)&&(yield e)}destroy(){for(const t of this._markers.values())this._destroyMarker(t);this._markers=null,this.stopListening()}*getMarkersGroup(t){for(const e of this._markers.values())e.name.startsWith(t+":")&&(yield e)}_destroyMarker(t){t.stopListening(),t._detachLiveRange()}}vi(tc,mi);class ec{constructor(t,e,i,n){this.name=t,this._liveRange=this._attachLiveRange(e),this._managedUsingOperations=i,this._affectsData=n}get managedUsingOperations(){if(!this._liveRange)throw new hi.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new hi.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._affectsData}getStart(){if(!this._liveRange)throw new hi.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new hi.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new hi.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.toRange()}is(t){return"marker"==t||"model:marker"==t}_attachLiveRange(t){return this._liveRange&&this._detachLiveRange(),t.delegate("change:range").to(this),t.delegate("change:content").to(this),this._liveRange=t,t}_detachLiveRange(){this._liveRange.stopDelegating("change:range",this),this._liveRange.stopDelegating("change:content",this),this._liveRange.detach(),this._liveRange=null}}vi(ec,mi);class ic extends ka{get type(){return"noop"}clone(){return new ic(this.baseVersion)}getReversed(){return new ic(this.baseVersion+1)}_execute(){}static get className(){return"NoOperation"}}const nc={};nc[Ma.className]=Ma,nc[Na.className]=Na,nc[Oa.className]=Oa,nc[Ia.className]=Ia,nc[ic.className]=ic,nc[ka.className]=ka,nc[Ra.className]=Ra,nc[Da.className]=Da,nc[ja.className]=ja,nc[La.className]=La;class oc extends ks{constructor(t,e,i="toNone"){if(super(t,e,i),!this.root.is("rootElement"))throw new hi.b("model-liveposition-root-not-rootelement: LivePosition's root has to be an instance of RootElement.",t);rc.call(this)}detach(){this.stopListening()}is(t){return"livePosition"==t||"model:livePosition"==t||super.is(t)}toPosition(){return new ks(this.root,this.path.slice(),this.stickiness)}static fromPosition(t,e){return new this(t.root,t.path.slice(),e||t.stickiness)}}function rc(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const i=e[0];i.isDocumentOperation&&sc.call(this,i)},{priority:"low"})}function sc(t){const e=this.getTransformedByOperation(t);if(!this.isEqual(e)){const t=this.toPosition();this.path=e.path,this.root=e.root,this.fire("change",t)}}vi(oc,mi);class ac{constructor(t,e,i){this.model=t,this.writer=e,this.position=i,this.canMergeWith=new Set([this.position.parent]),this.schema=t.schema,this._filterAttributesOf=[],this._affectedStart=null,this._affectedEnd=null}handleNodes(t,e){t=Array.from(t);for(let i=0;i<t.length;i++){const n=t[i];this._handleNode(n,{isFirst:0===i&&e.isFirst,isLast:i===t.length-1&&e.isLast})}this.schema.removeDisallowedAttributes(this._filterAttributesOf,this.writer),this._filterAttributesOf=[]}getSelectionRange(){return this.nodeToSelect?_s._createOn(this.nodeToSelect):this.model.schema.getNearestSelectionRange(this.position)}getAffectedRange(){return this._affectedStart?new _s(this._affectedStart,this._affectedEnd):null}destroy(){this._affectedStart&&this._affectedStart.detach(),this._affectedEnd&&this._affectedEnd.detach()}_handleNode(t,e){if(this.schema.isObject(t))return void this._handleObject(t,e);this._checkAndSplitToAllowedPosition(t,e)?(this._insert(t),this._mergeSiblingsOf(t,e)):this._handleDisallowedNode(t,e)}_handleObject(t,e){this._checkAndSplitToAllowedPosition(t)?this._insert(t):this._tryAutoparagraphing(t,e)}_handleDisallowedNode(t,e){t.is("element")?this.handleNodes(t.getChildren(),e):this._tryAutoparagraphing(t,e)}_insert(t){if(!this.schema.checkChild(this.position,t))throw new hi.b("insertcontent-wrong-position: Given node cannot be inserted on the given position.",this,{node:t,position:this.position});const e=oc.fromPosition(this.position,"toNext");this._setAffectedBoundaries(this.position),this.writer.insert(t,this.position),this.position=e.toPosition(),e.detach(),this.schema.isObject(t)&&!this.schema.checkChild(this.position,"$text")?this.nodeToSelect=t:this.nodeToSelect=null,this._filterAttributesOf.push(t)}_setAffectedBoundaries(t){this._affectedStart||(this._affectedStart=oc.fromPosition(t,"toPrevious")),this._affectedEnd&&!this._affectedEnd.isBefore(t)||(this._affectedEnd&&this._affectedEnd.detach(),this._affectedEnd=oc.fromPosition(t,"toNext"))}_mergeSiblingsOf(t,e){if(!(t instanceof ps))return;const i=this._canMergeLeft(t,e),n=this._canMergeRight(t,e),o=oc._createBefore(t);o.stickiness="toNext";const r=oc._createAfter(t);if(r.stickiness="toNext",i){const t=oc.fromPosition(this.position);t.stickiness="toNext",this._affectedStart.isEqual(o)&&(this._affectedStart.detach(),this._affectedStart=oc._createAt(o.nodeBefore,"end","toPrevious")),this.writer.merge(o),o.isEqual(this._affectedEnd)&&e.isLast&&(this._affectedEnd.detach(),this._affectedEnd=oc._createAt(o.nodeBefore,"end","toNext")),this.position=t.toPosition(),t.detach()}if(n){if(!this.position.isEqual(r))throw new hi.b("insertcontent-invalid-insertion-position",this);this.position=ks._createAt(r.nodeBefore,"end");const t=oc.fromPosition(this.position,"toPrevious");this._affectedEnd.isEqual(r)&&(this._affectedEnd.detach(),this._affectedEnd=oc._createAt(r.nodeBefore,"end","toNext")),this.writer.merge(r),r.getShiftedBy(-1).isEqual(this._affectedStart)&&e.isFirst&&(this._affectedStart.detach(),this._affectedStart=oc._createAt(r.nodeBefore,0,"toPrevious")),this.position=t.toPosition(),t.detach()}(i||n)&&this._filterAttributesOf.push(this.position.parent),o.detach(),r.detach()}_canMergeLeft(t,e){const i=t.previousSibling;return e.isFirst&&i instanceof ps&&this.canMergeWith.has(i)&&this.model.schema.checkMerge(i,t)}_canMergeRight(t,e){const i=t.nextSibling;return e.isLast&&i instanceof ps&&this.canMergeWith.has(i)&&this.model.schema.checkMerge(t,i)}_tryAutoparagraphing(t,e){const i=this.writer.createElement("paragraph");this._getAllowedIn(i,this.position.parent)&&this.schema.checkChild(i,t)&&(i._appendChild(t),this._handleNode(i,e))}_checkAndSplitToAllowedPosition(t){const e=this._getAllowedIn(t,this.position.parent);if(!e)return!1;for(;e!=this.position.parent;){if(this.schema.isLimit(this.position.parent))return!1;if(this.position.isAtStart){const t=this.position.parent;this.position=this.writer.createPositionBefore(t),t.isEmpty&&t.parent===e&&this.writer.remove(t)}else if(this.position.isAtEnd)this.position=this.writer.createPositionAfter(this.position.parent);else{const t=this.writer.createPositionAfter(this.position.parent);this._setAffectedBoundaries(this.position),this.writer.split(this.position),this.position=t,this.canMergeWith.add(this.position.nodeAfter)}}return!0}_getAllowedIn(t,e){return this.schema.checkChild(e,t)?e:e.parent?this._getAllowedIn(t,e.parent):null}}function cc(t,e,i={}){if(e.isCollapsed)return;const n=e.getFirstRange();if("$graveyard"==n.root.rootName)return;const o=t.schema;t.change(t=>{if(!i.doNotResetEntireContent&&function(t,e){const i=t.getLimitElement(e);if(!e.containsEntireContent(i))return!1;const n=e.getFirstRange();if(n.start.parent==n.end.parent)return!1;return t.checkChild(i,"paragraph")}(o,e))return void function(t,e){const i=t.model.schema.getLimitElement(e);t.remove(t.createRangeIn(i)),lc(t,t.createPositionAt(i,0),e)}(t,e);const r=n.start,s=oc.fromPosition(n.end,"toNext");n.start.isTouching(n.end)||t.remove(n),i.leaveUnmerged||(!function t(e,i,n){const o=i.parent,r=n.parent;if(o==r)return;if(e.model.schema.isLimit(o)||e.model.schema.isLimit(r))return;if(!function(t,e,i){const n=new _s(t,e);for(const t of n.getWalker())if(i.isLimit(t.item))return!1;return!0}(i,n,e.model.schema))return;i=e.createPositionAfter(o),(n=e.createPositionBefore(r)).isEqual(i)||e.insert(r,i);e.merge(i);for(;n.parent.isEmpty;){const t=n.parent;n=e.createPositionBefore(t),e.remove(t)}t(e,i,n)}(t,r,s),o.removeDisallowedAttributes(r.parent.getChildren(),t)),dc(t,e,r),!i.doNotAutoparagraph&&function(t,e){const i=t.checkChild(e,"$text"),n=t.checkChild(e,"paragraph");return!i&&n}(o,r)&&lc(t,r,e),s.detach()})}function lc(t,e,i){const n=t.createElement("paragraph");t.insert(n,e),dc(t,i,t.createPositionAt(n,0))}function dc(t,e,i){e instanceof Rs?t.setSelection(i):e.setTo(i)}function hc(t,e){if("text"==e.type)return"word"===t.unit?function(t,e){let i=t.position.textNode;if(i){let n=t.position.offset-i.startOffset;for(;!fc(i.data,n,e)&&!mc(i,n,e);){t.next();const o=e?t.position.nodeAfter:t.position.nodeBefore;if(o&&o.is("text")){const n=o.data.charAt(e?0:o.data.length-1);' ,.?!:;"-()'.includes(n)||(t.next(),i=t.position.textNode)}n=t.position.offset-i.startOffset}}return t.position}(t.walker,t.isForward):function(t,e){const i=t.position.textNode;if(i){const n=i.data;let o=t.position.offset-i.startOffset;for(;Ka(n,o)||"character"==e&&Ja(n,o);)t.next(),o=t.position.offset-i.startOffset}return t.position}(t.walker,t.unit,t.isForward);if(e.type==(t.isForward?"elementStart":"elementEnd")){if(t.schema.isObject(e.item))return ks._createAt(e.item,t.isForward?"after":"before");if(t.schema.checkChild(e.nextPosition,"$text"))return e.nextPosition}else{if(t.schema.isLimit(e.item))return void t.walker.skip(()=>!0);if(t.schema.checkChild(e.nextPosition,"$text"))return e.nextPosition}}function uc(t,e){const i=t.root,n=ks._createAt(i,e?"end":0);return e?new _s(t,n):new _s(n,t)}function fc(t,e,i){const n=e+(i?0:-1);return' ,.?!:;"-()'.includes(t.charAt(n))}function mc(t,e,i){return e===(i?t.endOffset:0)}function gc(t,e){const i=[];Array.from(t.getItems({direction:"backward"})).map(t=>e.createRangeOn(t)).filter(e=>(e.start.isAfter(t.start)||e.start.isEqual(t.start))&&(e.end.isBefore(t.end)||e.end.isEqual(t.end))).forEach(t=>{i.push(t.start.parent),e.remove(t)}),i.forEach(t=>{let i=t;for(;i.parent&&i.isEmpty;){const t=e.createRangeOn(i);i=i.parent,e.remove(t)}})}function pc(t){t.document.registerPostFixer(e=>function(t,e){const i=e.document.selection,n=e.schema,o=[];let r=!1;for(const t of i.getRanges()){const e=bc(t,n);e?(o.push(e),r=!0):o.push(t)}r&&t.setSelection(function(t){const e=[];e.push(t.shift());for(const i of t){const t=e.pop();if(i.isIntersecting(t)){const n=t.start.isAfter(i.start)?i.start:t.start,o=t.end.isAfter(i.end)?t.end:i.end,r=new _s(n,o);e.push(r)}else e.push(t),e.push(i)}return e}(o),{backward:i.isBackward})}(e,t))}function bc(t,e){return t.isCollapsed?function(t,e){const i=t.start,n=e.getNearestSelectionRange(i);if(!n)return null;if(!n.isCollapsed)return n;const o=n.start;if(i.isEqual(o))return null;return new _s(o)}(t,e):function(t,e){const i=t.start,n=t.end,o=e.checkChild(i,"$text"),r=e.checkChild(n,"$text"),s=e.getLimitElement(i),a=e.getLimitElement(n);if(s===a){if(o&&r)return null;if(function(t,e,i){const n=t.nodeAfter&&!i.isLimit(t.nodeAfter)||i.checkChild(t,"$text"),o=e.nodeBefore&&!i.isLimit(e.nodeBefore)||i.checkChild(e,"$text");return n||o}(i,n,e)){const t=i.nodeAfter&&e.isObject(i.nodeAfter)?null:e.getNearestSelectionRange(i,"forward"),o=n.nodeBefore&&e.isObject(n.nodeBefore)?null:e.getNearestSelectionRange(n,"backward"),r=t?t.start:i,s=o?o.start:n;return new _s(r,s)}}const c=s&&!s.is("rootElement"),l=a&&!a.is("rootElement");if(c||l){const t=i.nodeAfter&&n.nodeBefore&&i.nodeAfter.parent===n.nodeBefore.parent,o=c&&(!t||!kc(i.nodeAfter,e)),r=l&&(!t||!kc(n.nodeBefore,e));let d=i,h=n;return o&&(d=ks._createBefore(wc(s,e))),r&&(h=ks._createAfter(wc(a,e))),new _s(d,h)}return null}(t,e)}function wc(t,e){let i=t,n=i;for(;e.isLimit(n)&&n.parent;)i=n,n=n.parent;return i}function kc(t,e){return t&&e.isObject(t)}class _c{constructor(){this.markers=new tc,this.document=new Za(this),this.schema=new ta,this._pendingChanges=[],this._currentWriter=null,["insertContent","deleteContent","modifySelection","getSelectedContent","applyOperation"].forEach(t=>this.decorate(t)),this.on("applyOperation",(t,e)=>{e[0]._validate()},{priority:"highest"}),this.schema.register("$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("$marker"),this.schema.addChildCheck((t,e)=>{if("$marker"===e.name)return!0}),pc(this)}change(t){try{return 0===this._pendingChanges.length?(this._pendingChanges.push({batch:new wa,callback:t}),this._runPendingChanges()[0]):t(this._currentWriter)}catch(t){hi.b.rethrowUnexpectedError(t,this)}}enqueueChange(t,e){try{"string"==typeof t?t=new wa(t):"function"==typeof t&&(e=t,t=new wa),this._pendingChanges.push({batch:t,callback:e}),1==this._pendingChanges.length&&this._runPendingChanges()}catch(t){hi.b.rethrowUnexpectedError(t,this)}}applyOperation(t){t._execute()}insertContent(t,e,i){return function(t,e,i,n){return t.change(o=>{let r;r=i?i instanceof Cs||i instanceof Rs?i:o.createSelection(i,n):t.document.selection,r.isCollapsed||t.deleteContent(r,{doNotAutoparagraph:!0});const s=new ac(t,o,r.anchor);let a;a=e.is("documentFragment")?e.getChildren():[e],s.handleNodes(a,{isFirst:!0,isLast:!0});const c=s.getSelectionRange();c&&(r instanceof Rs?o.setSelection(c):r.setTo(c));const l=s.getAffectedRange()||t.createRange(r.anchor);return s.destroy(),l})}(this,t,e,i)}deleteContent(t,e){cc(this,t,e)}modifySelection(t,e){!function(t,e,i={}){const n=t.schema,o="backward"!=i.direction,r=i.unit?i.unit:"character",s=e.focus,a=new bs({boundaries:uc(s,o),singleCharacters:!0,direction:o?"forward":"backward"}),c={walker:a,schema:n,isForward:o,unit:r};let l;for(;l=a.next();){if(l.done)return;const i=hc(c,l.value);if(i)return void(e instanceof Rs?t.change(t=>{t.setSelectionFocus(i)}):e.setFocus(i))}}(this,t,e)}getSelectedContent(t){return function(t,e){return t.change(t=>{const i=t.createDocumentFragment(),n=e.getFirstRange();if(!n||n.isCollapsed)return i;const o=n.start.root,r=n.start.getCommonPath(n.end),s=o.getNodeByPath(r);let a;a=n.start.parent==n.end.parent?n:t.createRange(t.createPositionAt(s,n.start.path[r.length]),t.createPositionAt(s,n.end.path[r.length]+1));const c=a.end.offset-a.start.offset;for(const e of a.getItems({shallow:!0}))e.is("textProxy")?t.appendText(e.data,e.getAttributes(),i):t.append(e._clone(!0),i);if(a!=n){const e=n._getTransformedByMove(a.start,t.createPositionAt(i,0),c)[0],o=t.createRange(t.createPositionAt(i,0),e.start);gc(t.createRange(e.end,t.createPositionAt(i,"end")),t),gc(o,t)}return i})}(this,t)}hasContent(t,e){const i=t instanceof ps?_s._createIn(t):t;if(i.isCollapsed)return!1;for(const t of this.markers.getMarkersIntersectingRange(i))if(t.affectsData)return!0;const{ignoreWhitespaces:n=!1}=e||{};for(const t of i.getItems())if(t.is("textProxy")){if(!n)return!0;if(-1!==t.data.search(/\S/))return!0}else if(this.schema.isObject(t))return!0;return!1}createPositionFromPath(t,e,i){return new ks(t,e,i)}createPositionAt(t,e){return ks._createAt(t,e)}createPositionAfter(t){return ks._createAfter(t)}createPositionBefore(t){return ks._createBefore(t)}createRange(t,e){return new _s(t,e)}createRangeIn(t){return _s._createIn(t)}createRangeOn(t){return _s._createOn(t)}createSelection(t,e,i){return new Cs(t,e,i)}createBatch(t){return new wa(t)}createOperationFromJSON(t){return class{static fromJSON(t,e){return nc[t.__className].fromJSON(t,e)}}.fromJSON(t,this.document)}destroy(){this.document.destroy(),this.stopListening()}_runPendingChanges(){const t=[];for(this.fire("_beforeChanges");this._pendingChanges.length;){const e=this._pendingChanges[0].batch;this._currentWriter=new za(this,e);const i=this._pendingChanges[0].callback(this._currentWriter);t.push(i),this.document._handleChangeBlock(this._currentWriter),this._pendingChanges.shift(),this._currentWriter=null}return this.fire("_afterChanges"),t}}vi(_c,Un);class vc{constructor(){this._listener=Object.create(cr)}listenTo(t){this._listener.listenTo(t,"keydown",(t,e)=>{this._listener.fire("_keydown:"+po(e),e)})}set(t,e,i={}){const n=bo(t),o=i.priority;this._listener.listenTo(this._listener,"_keydown:"+n,(t,i)=>{e(i,()=>{i.preventDefault(),i.stopPropagation(),t.stop()}),t.return=!0},{priority:o})}press(t){return!!this._listener.fire("_keydown:"+po(t),t)}destroy(){this._listener.stopListening()}}class yc extends vc{constructor(t){super(),this.editor=t}set(t,e,i={}){if("string"==typeof e){const t=e;e=(e,i)=>{this.editor.execute(t),i()}}super.set(t,e,i)}}class xc{constructor(t={}){this._context=t.context||new Si({language:t.language}),this._context._addEditor(this,!t.context);const e=Array.from(this.constructor.builtinPlugins||[]);this.config=new ni(t,this.constructor.defaultConfig),this.config.define("plugins",e),this.config.define(this._context._getEditorConfig()),this.plugins=new xi(this,e,this._context.plugins),this.locale=this._context.locale,this.t=this.locale.t,this.commands=new Js,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 _c;const i=new En;this.data=new ma(this.model,i),this.editing=new Ks(this.model,i),this.editing.view.document.bind("isReadOnly").to(this),this.conversion=new ga([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 yc(this),this.keystrokes.listenTo(this.editing.view.document)}initPlugins(){const t=this.config,e=t.get("plugins"),i=t.get("removePlugins")||[],n=t.get("extraPlugins")||[];return this.plugins.init(e.concat(n),i)}destroy(){let t=Promise.resolve();return"initializing"==this.state&&(t=new Promise(t=>this.once("ready",t))),t.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(...t){try{this.commands.execute(...t)}catch(t){hi.b.rethrowUnexpectedError(t,this)}}}vi(xc,Un);var Ac={setData(t){this.data.set(t)},getData(t){return this.data.get(t)}};var Tc={updateSourceElement(){if(!this.sourceElement)throw new hi.b("editor-missing-sourceelement: Cannot update the source element of a detached editor.",this);var t,e;t=this.sourceElement,e=this.data.get(),t instanceof HTMLTextAreaElement&&(t.value=e),t.innerHTML=e}};class Cc{getHtml(t){const e=document.implementation.createHTMLDocument("").createElement("div");return e.appendChild(t),e.innerHTML}}class Pc{constructor(t){this._domParser=new DOMParser,this._domConverter=new nr(t,{blockFillerMode:"nbsp"}),this._htmlWriter=new Cc}toData(t){const e=this._domConverter.viewToDom(t,document);return this._htmlWriter.getHtml(e)}toView(t){const e=this._toDom(t);return this._domConverter.domToView(e)}_toDom(t){const e=this._domParser.parseFromString(t,"text/html"),i=e.createDocumentFragment(),n=e.body.childNodes;for(;n.length>0;)i.appendChild(n[0]);return i}}class Sc{constructor(t){this.editor=t,this._components=new Map}*names(){for(const t of this._components.values())yield t.originalName}add(t,e){if(this.has(t))throw new hi.b("componentfactory-item-exists: The item already exists in the component factory.",this,{name:t});this._components.set(Mc(t),{callback:e,originalName:t})}create(t){if(!this.has(t))throw new hi.b("componentfactory-item-missing: The required component is not registered in the factory.",this,{name:t});return this._components.get(Mc(t)).callback(this.editor.locale)}has(t){return this._components.has(Mc(t))}}function Mc(t){return String(t).toLowerCase()}class Ec{constructor(){this.set("isFocused",!1),this.set("focusedElement",null),this._elements=new Set,this._nextEventLoopTimeout=null}add(t){if(this._elements.has(t))throw new hi.b("focusTracker-add-element-already-exist",this);this.listenTo(t,"focus",()=>this._focus(t),{useCapture:!0}),this.listenTo(t,"blur",()=>this._blur(),{useCapture:!0}),this._elements.add(t)}remove(t){t===this.focusedElement&&this._blur(t),this._elements.has(t)&&(this.stopListening(t),this._elements.delete(t))}destroy(){this.stopListening()}_focus(t){clearTimeout(this._nextEventLoopTimeout),this.focusedElement=t,this.isFocused=!0}_blur(){clearTimeout(this._nextEventLoopTimeout),this._nextEventLoopTimeout=setTimeout(()=>{this.focusedElement=null,this.isFocused=!1},0)}}vi(Ec,cr),vi(Ec,Un);class Ic{constructor(t){this.editor=t,this.componentFactory=new Sc(t),this.focusTracker=new Ec,this._editableElementsMap=new Map,this.listenTo(t.editing.view.document,"layoutChanged",()=>this.update())}get element(){return null}update(){this.fire("update")}destroy(){this.stopListening(),this.focusTracker.destroy();for(const t of this._editableElementsMap.values())t.ckeditorInstance=null;this._editableElementsMap=new Map}setEditableElement(t,e){this._editableElementsMap.set(t,e),e.ckeditorInstance||(e.ckeditorInstance=this.editor)}getEditableElement(t="main"){return this._editableElementsMap.get(t)}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}}vi(Ic,mi);i(13);const Nc=new WeakMap;function Oc(t){const{view:e,element:i,text:n,isDirectHost:o=!0}=t,r=e.document;Nc.has(r)||(Nc.set(r,new Map),r.registerPostFixer(t=>Dc(r,t))),Nc.get(r).set(i,{text:n,isDirectHost:o}),e.change(t=>Dc(r,t))}function Rc(t,e){return!!e.hasClass("ck-placeholder")&&(t.removeClass("ck-placeholder",e),!0)}function Dc(t,e){const i=Nc.get(t);let n=!1;for(const[t,o]of i)Lc(e,t,o)&&(n=!0);return n}function Lc(t,e,i){const{text:n,isDirectHost:o}=i,r=o?e:function(t){if(1===t.childCount){const e=t.getChild(0);if(e.is("element")&&!e.is("uiElement"))return e}return null}(e);let s=!1;return!!r&&(i.hostElement=r,r.getAttribute("data-placeholder")!==n&&(t.setAttribute("data-placeholder",n,r),s=!0),!function(t){if(!t.isAttached())return!1;const e=!Array.from(t.getChildren()).some(t=>!t.is("uiElement")),i=t.document;if(!i.isFocused&&e)return!0;const n=i.selection.anchor;return!(!e||!n||n.parent===t)}(r)?Rc(t,r)&&(s=!0):function(t,e){return!e.hasClass("ck-placeholder")&&(t.addClass("ck-placeholder",e),!0)}(t,r)&&(s=!0),s)}class jc{constructor(){this._replacedElements=[]}replace(t,e){this._replacedElements.push({element:t,newElement:e}),t.style.display="none",e&&t.parentNode.insertBefore(e,t.nextSibling)}restore(){this._replacedElements.forEach(({element:t,newElement:e})=>{t.style.display="",e&&e.remove()}),this._replacedElements=[]}}class Vc extends Ic{constructor(t,e){var i;super(t),this.view=e,this._toolbarConfig=(i=t.config.get("toolbar"),Array.isArray(i)?{items:i}:i?Object.assign({items:[]},i):{items:[]}),this._elementReplacer=new jc}get element(){return this.view.element}init(t){const e=this.editor,i=this.view,n=e.editing.view,o=i.editable,r=n.document.getRoot();o.name=r.rootName,i.render();const s=o.element;this.setEditableElement(o.name,s),this.focusTracker.add(s),i.editable.bind("isFocused").to(this.focusTracker),n.attachDomRoot(s),t&&this._elementReplacer.replace(t,this.element),this._initPlaceholder(),this._initToolbar(),this.fire("ready")}destroy(){const t=this.view,e=this.editor.editing.view;this._elementReplacer.restore(),e.detachDomRoot(t.editable.name),t.destroy(),super.destroy()}_initToolbar(){const t=this.editor,e=this.view,i=t.editing.view;e.stickyPanel.bind("isActive").to(this.focusTracker,"isFocused"),e.stickyPanel.limiterElement=e.element,this._toolbarConfig.viewportTopOffset&&(e.stickyPanel.viewportTopOffset=this._toolbarConfig.viewportTopOffset),e.toolbar.fillFromConfig(this._toolbarConfig.items,this.componentFactory),function({origin:t,originKeystrokeHandler:e,originFocusTracker:i,toolbar:n,beforeFocus:o,afterBlur:r}){i.add(n.element),e.set("Alt+F10",(t,e)=>{i.isFocused&&!n.focusTracker.isFocused&&(o&&o(),n.focus(),e())}),n.keystrokes.set("Esc",(e,i)=>{n.focusTracker.isFocused&&(t.focus(),r&&r(),i())})}({origin:i,originFocusTracker:this.focusTracker,originKeystrokeHandler:t.keystrokes,toolbar:e.toolbar})}_initPlaceholder(){const t=this.editor,e=t.editing.view,i=e.document.getRoot(),n=t.sourceElement,o=t.config.get("placeholder")||n&&"textarea"===n.tagName.toLowerCase()&&n.getAttribute("placeholder");o&&Oc({view:e,element:i,text:o,isDirectHost:!1})}}class zc extends yi{constructor(t){super({idProperty:"viewUid"}),this.on("add",(t,e,i)=>{e.isRendered||e.render(),e.element&&this._parentElement&&this._parentElement.insertBefore(e.element,this._parentElement.children[i])}),this.on("remove",(t,e)=>{e.element&&this._parentElement&&e.element.remove()}),this.locale=t,this._parentElement=null}destroy(){this.map(t=>t.destroy())}setParent(t){this._parentElement=t}delegate(...t){if(!t.length||!t.every(t=>"string"==typeof t))throw new hi.b("ui-viewcollection-delegate-wrong-events: All event names must be strings.",this);return{to:e=>{for(const i of this)for(const n of t)i.delegate(n).to(e);this.on("add",(i,n)=>{for(const i of t)n.delegate(i).to(e)}),this.on("remove",(i,n)=>{for(const i of t)n.stopDelegating(i,e)})}}}}class Bc{constructor(t){Object.assign(this,Kc(Qc(t))),this._isRendered=!1,this._revertData=null}render(){const t=this._renderNode({intoFragment:!0});return this._isRendered=!0,t}apply(t){return this._revertData={children:[],bindings:[],attributes:{}},this._renderNode({node:t,isApplying:!0,revertData:this._revertData}),t}revert(t){if(!this._revertData)throw new hi.b("ui-template-revert-not-applied: Attempting to revert a template which has not been applied yet.",[this,t]);this._revertTemplateFromNode(t,this._revertData)}*getViews(){yield*function*t(e){if(e.children)for(const i of e.children)el(i)?yield i:il(i)&&(yield*t(i))}(this)}static bind(t,e){return{to:(i,n)=>new Uc({eventNameOrFunction:i,attribute:i,observable:t,emitter:e,callback:n}),if:(i,n,o)=>new Hc({observable:t,emitter:e,attribute:i,valueIfTrue:n,callback:o})}}static extend(t,e){if(t._isRendered)throw new hi.b("template-extend-render: Attempting to extend a template which has already been rendered.",[this,t]);!function t(e,i){i.attributes&&(e.attributes||(e.attributes={}),Xc(e.attributes,i.attributes));i.eventListeners&&(e.eventListeners||(e.eventListeners={}),Xc(e.eventListeners,i.eventListeners));i.text&&e.text.push(...i.text);if(i.children&&i.children.length){if(e.children.length!=i.children.length)throw new hi.b("ui-template-extend-children-mismatch: The number of children in extended definition does not match.",e);let n=0;for(const o of i.children)t(e.children[n++],o)}}(t,Kc(Qc(e)))}_renderNode(t){let e;if(e=t.node?this.tag&&this.text:this.tag?this.text:!this.text,e)throw new hi.b('ui-template-wrong-syntax: Node definition must have either "tag" or "text" when rendering a new Node.',this);return this.text?this._renderText(t):this._renderElement(t)}_renderElement(t){let e=t.node;return e||(e=t.node=document.createElementNS(this.ns||"http://www.w3.org/1999/xhtml",this.tag)),this._renderAttributes(t),this._renderElementChildren(t),this._setUpListeners(t),e}_renderText(t){let e=t.node;return e?t.revertData.text=e.textContent:e=t.node=document.createTextNode(""),qc(this.text)?this._bindToObservable({schema:this.text,updater:Yc(e),data:t}):e.textContent=this.text.join(""),e}_renderAttributes(t){let e,i,n,o;if(!this.attributes)return;const r=t.node,s=t.revertData;for(e in this.attributes)if(n=r.getAttribute(e),i=this.attributes[e],s&&(s.attributes[e]=n),o=j(i[0])&&i[0].ns?i[0].ns:null,qc(i)){const a=o?i[0].value:i;s&&ol(e)&&a.unshift(n),this._bindToObservable({schema:a,updater:$c(r,e,o),data:t})}else"style"==e&&"string"!=typeof i[0]?this._renderStyleAttribute(i[0],t):(s&&n&&ol(e)&&i.unshift(n),i=i.map(t=>t&&t.value||t).reduce((t,e)=>t.concat(e),[]).reduce(Zc,""),tl(i)||r.setAttributeNS(o,e,i))}_renderStyleAttribute(t,e){const i=e.node;for(const n in t){const o=t[n];qc(o)?this._bindToObservable({schema:[o],updater:Gc(i,n),data:e}):i.style[n]=o}}_renderElementChildren(t){const e=t.node,i=t.intoFragment?document.createDocumentFragment():e,n=t.isApplying;let o=0;for(const r of this.children)if(nl(r)){if(!n){r.setParent(e);for(const t of r)i.appendChild(t.element)}}else if(el(r))n||(r.isRendered||r.render(),i.appendChild(r.element));else if(Go(r))i.appendChild(r);else if(n){const e={children:[],bindings:[],attributes:{}};t.revertData.children.push(e),r._renderNode({node:i.childNodes[o++],isApplying:!0,revertData:e})}else i.appendChild(r.render());t.intoFragment&&e.appendChild(i)}_setUpListeners(t){if(this.eventListeners)for(const e in this.eventListeners){const i=this.eventListeners[e].map(i=>{const[n,o]=e.split("@");return i.activateDomEventListener(n,o,t)});t.revertData&&t.revertData.bindings.push(i)}}_bindToObservable({schema:t,updater:e,data:i}){const n=i.revertData;Wc(t,e,i);const o=t.filter(t=>!tl(t)).filter(t=>t.observable).map(n=>n.activateAttributeListener(t,e,i));n&&n.bindings.push(o)}_revertTemplateFromNode(t,e){for(const t of e.bindings)for(const e of t)e();if(e.text)t.textContent=e.text;else{for(const i in e.attributes){const n=e.attributes[i];null===n?t.removeAttribute(i):t.setAttribute(i,n)}for(let i=0;i<e.children.length;++i)this._revertTemplateFromNode(t.childNodes[i],e.children[i])}}}vi(Bc,mi);class Fc{constructor(t){Object.assign(this,t)}getValue(t){const e=this.observable[this.attribute];return this.callback?this.callback(e,t):e}activateAttributeListener(t,e,i){const n=()=>Wc(t,e,i);return this.emitter.listenTo(this.observable,"change:"+this.attribute,n),()=>{this.emitter.stopListening(this.observable,"change:"+this.attribute,n)}}}class Uc extends Fc{activateDomEventListener(t,e,i){const n=(t,i)=>{e&&!i.target.matches(e)||("function"==typeof this.eventNameOrFunction?this.eventNameOrFunction(i):this.observable.fire(this.eventNameOrFunction,i))};return this.emitter.listenTo(i.node,t,n),()=>{this.emitter.stopListening(i.node,t,n)}}}class Hc extends Fc{getValue(t){return!tl(super.getValue(t))&&(this.valueIfTrue||!0)}}function qc(t){return!!t&&(t.value&&(t=t.value),Array.isArray(t)?t.some(qc):t instanceof Fc)}function Wc(t,e,{node:i}){let n=function(t,e){return t.map(t=>t instanceof Fc?t.getValue(e):t)}(t,i);n=1==t.length&&t[0]instanceof Hc?n[0]:n.reduce(Zc,""),tl(n)?e.remove():e.set(n)}function Yc(t){return{set(e){t.textContent=e},remove(){t.textContent=""}}}function $c(t,e,i){return{set(n){t.setAttributeNS(i,e,n)},remove(){t.removeAttributeNS(i,e)}}}function Gc(t,e){return{set(i){t.style[e]=i},remove(){t.style[e]=null}}}function Qc(t){return ei(t,t=>{if(t&&(t instanceof Fc||il(t)||el(t)||nl(t)))return t})}function Kc(t){if("string"==typeof t?t=function(t){return{text:[t]}}(t):t.text&&function(t){Array.isArray(t.text)||(t.text=[t.text])}(t),t.on&&(t.eventListeners=function(t){for(const e in t)Jc(t,e);return t}(t.on),delete t.on),!t.text){t.attributes&&function(t){for(const e in t)t[e].value&&(t[e].value=[].concat(t[e].value)),Jc(t,e)}(t.attributes);const e=[];if(t.children)if(nl(t.children))e.push(t.children);else for(const i of t.children)il(i)||el(i)||Go(i)?e.push(i):e.push(new Bc(i));t.children=e}return t}function Jc(t,e){Array.isArray(t[e])||(t[e]=[t[e]])}function Zc(t,e){return tl(e)?t:tl(t)?e:`${t} ${e}`}function Xc(t,e){for(const i in e)t[i]?t[i].push(...e[i]):t[i]=e[i]}function tl(t){return!t&&0!==t}function el(t){return t instanceof rl}function il(t){return t instanceof Bc}function nl(t){return t instanceof zc}function ol(t){return"class"==t||"style"==t}i(15);class rl{constructor(t){this.element=null,this.isRendered=!1,this.locale=t,this.t=t&&t.t,this._viewCollections=new yi,this._unboundChildren=this.createCollection(),this._viewCollections.on("add",(e,i)=>{i.locale=t}),this.decorate("render")}get bindTemplate(){return this._bindTemplate?this._bindTemplate:this._bindTemplate=Bc.bind(this,this)}createCollection(){const t=new zc;return this._viewCollections.add(t),t}registerChild(t){Ri(t)||(t=[t]);for(const e of t)this._unboundChildren.add(e)}deregisterChild(t){Ri(t)||(t=[t]);for(const e of t)this._unboundChildren.remove(e)}setTemplate(t){this.template=new Bc(t)}extendTemplate(t){Bc.extend(this.template,t)}render(){if(this.isRendered)throw new hi.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(t=>t.destroy()),this.template&&this.template._revertData&&this.template.revert(this.element)}}vi(rl,cr),vi(rl,Un);var sl=function(t){return"string"==typeof t||!Dt(t)&&p(t)&&"[object String]"==f(t)};function al(t,e,i={},n=[]){const o=i&&i.xmlns,r=o?t.createElementNS(o,e):t.createElement(e);for(const t in i)r.setAttribute(t,i[t]);!sl(n)&&Ri(n)||(n=[n]);for(let e of n)sl(e)&&(e=t.createTextNode(e)),r.appendChild(e);return r}class cl extends zc{attachToDom(){this._bodyCollectionContainer=new Bc({tag:"div",attributes:{class:["ck","ck-reset_all","ck-body","ck-rounded-corners"],dir:this.locale.uiLanguageDirection},children:this}).render();let t=document.querySelector(".ck-body-wrapper");t||(t=al(document,"div",{class:"ck-body-wrapper"}),document.body.appendChild(t)),t.appendChild(this._bodyCollectionContainer)}detachFromDom(){super.destroy(),this._bodyCollectionContainer&&this._bodyCollectionContainer.remove();const t=document.querySelector(".ck-body-wrapper");t&&0==t.childElementCount&&t.remove()}}i(17);class ll extends rl{constructor(t){super(t),this.body=new cl(t)}render(){super.render(),this.body.attachToDom()}destroy(){return this.body.detachFromDom(),super.destroy()}}i(19);class dl extends rl{constructor(t){super(t),this.set("text"),this.set("for"),this.id="ck-editor__label_"+li();const e=this.bindTemplate;this.setTemplate({tag:"label",attributes:{class:["ck","ck-label"],id:this.id,for:e.to("for")},children:[{text:e.to("text")}]})}}class hl extends ll{constructor(t){super(t),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:t.uiLanguageDirection,lang:t.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 t=this.t,e=new dl;return e.text=t("br"),e.extendTemplate({attributes:{class:"ck-voice-label"}}),e}}class ul extends rl{constructor(t,e,i){super(t),this.setTemplate({tag:"div",attributes:{class:["ck","ck-content","ck-editor__editable","ck-rounded-corners"],lang:t.contentLanguage,dir:t.contentLanguageDirection}}),this.name=null,this.set("isFocused",!1),this._editableElement=i,this._hasExternalElement=!!this._editableElement,this._editingView=e}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 t=this._editingView;function e(e){t.change(i=>{const n=t.document.getRoot(e.name);i.addClass(e.isFocused?"ck-focused":"ck-blurred",n),i.removeClass(e.isFocused?"ck-blurred":"ck-focused",n)})}t.isRenderingInProgress?function i(n){t.once("change:isRenderingInProgress",(t,o,r)=>{r?i(n):e(n)})}(this):e(this)}}class fl extends ul{constructor(t,e,i){super(t,e,i),this.extendTemplate({attributes:{role:"textbox",class:"ck-editor__editable_inline"}})}render(){super.render();const t=this._editingView,e=this.t;t.change(i=>{const n=t.document.getRoot(this.name);i.setAttribute("aria-label",e("ct",[this.name]),n)})}}function ml(t){return e=>e+t}i(21);const gl=ml("px");class pl extends rl{constructor(t){super(t);const e=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 Bc({tag:"div",attributes:{class:["ck","ck-sticky-panel__placeholder"],style:{display:e.to("isSticky",t=>t?"block":"none"),height:e.to("isSticky",t=>t?gl(this._panelRect.height):null)}}}).render(),this._contentPanel=new Bc({tag:"div",attributes:{class:["ck","ck-sticky-panel__content",e.if("isSticky","ck-sticky-panel__content_sticky"),e.if("_isStickyToTheLimiter","ck-sticky-panel__content_sticky_bottom-limit")],style:{width:e.to("isSticky",t=>t?gl(this._contentPanelPlaceholder.getBoundingClientRect().width):null),top:e.to("_hasViewportTopOffset",t=>t?gl(this.viewportTopOffset):null),bottom:e.to("_isStickyToTheLimiter",t=>t?gl(this.limiterBottomOffset):null),marginLeft:e.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(Xo.window,"scroll",()=>{this._checkIfShouldBeSticky()}),this.listenTo(this,"change:isActive",()=>{this._checkIfShouldBeSticky()})}_checkIfShouldBeSticky(){const t=this._panelRect=this._contentPanel.getBoundingClientRect();let e;this.limiterElement?(e=this._limiterRect=this.limiterElement.getBoundingClientRect(),this.isSticky=this.isActive&&e.top<this.viewportTopOffset&&this._panelRect.height+this.limiterBottomOffset<e.height):this.isSticky=!1,this.isSticky?(this._isStickyToTheLimiter=e.bottom<t.height+this.limiterBottomOffset+this.viewportTopOffset,this._hasViewportTopOffset=!this._isStickyToTheLimiter&&!!this.viewportTopOffset,this._marginLeft=this._isStickyToTheLimiter?null:gl(-Xo.window.scrollX)):(this._isStickyToTheLimiter=!1,this._hasViewportTopOffset=!1,this._marginLeft=null)}}class bl{constructor(t){if(Object.assign(this,t),t.actions&&t.keystrokeHandler)for(const e in t.actions){let i=t.actions[e];"string"==typeof i&&(i=[i]);for(const n of i)t.keystrokeHandler.set(n,(t,i)=>{this[e](),i()})}}get first(){return this.focusables.find(wl)||null}get last(){return this.focusables.filter(wl).slice(-1)[0]||null}get next(){return this._getFocusableItem(1)}get previous(){return this._getFocusableItem(-1)}get current(){let t=null;return null===this.focusTracker.focusedElement?null:(this.focusables.find((e,i)=>{const n=e.element===this.focusTracker.focusedElement;return n&&(t=i),n}),t)}focusFirst(){this._focus(this.first)}focusLast(){this._focus(this.last)}focusNext(){this._focus(this.next)}focusPrevious(){this._focus(this.previous)}_focus(t){t&&t.focus()}_getFocusableItem(t){const e=this.current,i=this.focusables.length;if(!i)return null;if(null===e)return this[1===t?"first":"last"];let n=(e+i+t)%i;do{const e=this.focusables.get(n);if(wl(e))return e;n=(n+i+t)%i}while(n!==e);return null}}function wl(t){return!(!t.focus||"none"==Xo.window.getComputedStyle(t.element).display)}class kl extends rl{constructor(t){super(t),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__separator"]}})}}class _l{constructor(t,e){_l._observerInstance||_l._createObserver(),this._element=t,this._callback=e,_l._addElementCallback(t,e),_l._observerInstance.observe(t)}destroy(){_l._deleteElementCallback(this._element,this._callback)}static _addElementCallback(t,e){_l._elementCallbacks||(_l._elementCallbacks=new Map);let i=_l._elementCallbacks.get(t);i||(i=new Set,_l._elementCallbacks.set(t,i)),i.add(e)}static _deleteElementCallback(t,e){const i=_l._getElementCallbacks(t);i&&(i.delete(e),i.size||(_l._elementCallbacks.delete(t),_l._observerInstance.unobserve(t))),_l._elementCallbacks&&!_l._elementCallbacks.size&&(_l._observerInstance=null,_l._elementCallbacks=null)}static _getElementCallbacks(t){return _l._elementCallbacks?_l._elementCallbacks.get(t):null}static _createObserver(){let t;t="function"==typeof Xo.window.ResizeObserver?Xo.window.ResizeObserver:vl,_l._observerInstance=new t(t=>{for(const e of t){const t=_l._getElementCallbacks(e.target);if(t)for(const i of t)i(e)}})}}_l._observerInstance=null,_l._elementCallbacks=null;class vl{constructor(t){this._callback=t,this._elements=new Set,this._previousRects=new Map,this._periodicCheckTimeout=null}observe(t){this._elements.add(t),this._checkElementRectsAndExecuteCallback(),1===this._elements.size&&this._startPeriodicCheck()}unobserve(t){this._elements.delete(t),this._previousRects.delete(t),this._elements.size||this._stopPeriodicCheck()}_startPeriodicCheck(){const t=()=>{this._checkElementRectsAndExecuteCallback(),this._periodicCheckTimeout=setTimeout(t,100)};this.listenTo(Xo.window,"resize",()=>{this._checkElementRectsAndExecuteCallback()}),this._periodicCheckTimeout=setTimeout(t,100)}_stopPeriodicCheck(){clearTimeout(this._periodicCheckTimeout),this.stopListening(),this._previousRects.clear()}_checkElementRectsAndExecuteCallback(){const t=[];for(const e of this._elements)this._hasRectChanged(e)&&t.push({target:e,contentRect:this._previousRects.get(e)});t.length&&this._callback(t)}_hasRectChanged(t){if(!t.ownerDocument.body.contains(t))return!1;const e=new Zr(t),i=this._previousRects.get(t),n=!i||!i.isEqual(e);return this._previousRects.set(t,e),n}}vi(vl,cr);class yl extends rl{constructor(t){super(t);const e=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",e.to("position",t=>"ck-dropdown__panel_"+t),e.if("isVisible","ck-dropdown__panel-visible")]},children:this.children,on:{selectstart:e.to(t=>t.preventDefault())}})}focus(){this.children.length&&this.children.first.focus()}focusLast(){if(this.children.length){const t=this.children.last;"function"==typeof t.focusLast?t.focusLast():t.focus()}}}i(23);function xl({element:t,target:e,positions:i,limiter:n,fitInViewport:o}){z(e)&&(e=e()),z(n)&&(n=n());const r=function(t){for(;t&&"html"!=t.tagName.toLowerCase();){if("static"!=Xo.window.getComputedStyle(t).position)return t;t=t.parentElement}return null}(t.parentElement),s=new Zr(t),a=new Zr(e);let c,l;if(n||o){const t=n&&new Zr(n).getVisible(),e=o&&new Zr(Xo.window);[l,c]=function(t,e,i,n,o){let r,s,a=0,c=0;const l=i.getArea();return t.some(t=>{const[d,h]=Al(t,e,i);let u,f;if(n)if(o){const t=n.getIntersection(o);u=t?t.getIntersectionArea(h):0}else u=n.getIntersectionArea(h);function m(){c=f,a=u,r=h,s=d}return o&&(f=o.getIntersectionArea(h)),o&&!n?f>c&&m():!o&&n?u>a&&m():(f>c&&u>=a||f>=c&&u>a)&&m(),u===l}),r?[s,r]:null}(i,a,s,t,e)||Al(i[0],a,s)}else[l,c]=Al(i[0],a,s);let{left:d,top:h}=Tl(c);if(r){const t=Tl(new Zr(r)),e=Kr(r);d-=t.left,h-=t.top,d+=r.scrollLeft,h+=r.scrollTop,d-=e.left,h-=e.top}return{left:d,top:h,name:l}}function Al(t,e,i){const{left:n,top:o,name:r}=t(e,i);return[r,i.clone().moveTo(n,o)]}function Tl({left:t,top:e}){const{scrollX:i,scrollY:n}=Xo.window;return{left:t+i,top:e+n}}class Cl extends rl{constructor(t,e,i){super(t);const n=this.bindTemplate;this.buttonView=e,this.panelView=i,this.set("isOpen",!1),this.set("isEnabled",!0),this.set("class"),this.set("id"),this.set("panelPosition","auto"),this.focusTracker=new Ec,this.keystrokes=new vc,this.setTemplate({tag:"div",attributes:{class:["ck","ck-dropdown",n.to("class"),n.if("isEnabled","ck-disabled",t=>!t)],id:n.to("id"),"aria-describedby":n.to("ariaDescribedById")},children:[e,i]}),e.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=Cl._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),this.focusTracker.add(this.element);const t=(t,e)=>{this.isOpen&&(this.buttonView.focus(),this.isOpen=!1,e())};this.keystrokes.set("arrowdown",(t,e)=>{this.buttonView.isEnabled&&!this.isOpen&&(this.isOpen=!0,e())}),this.keystrokes.set("arrowright",(t,e)=>{this.isOpen&&e()}),this.keystrokes.set("arrowleft",t),this.keystrokes.set("esc",t)}focus(){this.buttonView.focus()}get _panelPositions(){const{southEast:t,southWest:e,northEast:i,northWest:n}=Cl.defaultPanelPositions;return"ltr"===this.locale.uiLanguageDirection?[t,e,i,n]:[e,t,n,i]}}Cl.defaultPanelPositions={southEast:t=>({top:t.bottom,left:t.left,name:"se"}),southWest:(t,e)=>({top:t.bottom,left:t.left-e.width+t.width,name:"sw"}),northEast:(t,e)=>({top:t.top-e.height,left:t.left,name:"ne"}),northWest:(t,e)=>({top:t.bottom-e.height,left:t.left-e.width+t.width,name:"nw"})},Cl._getOptimalPosition=xl;i(25);class Pl extends rl{constructor(){super();const t=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:t.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 t=(new DOMParser).parseFromString(this.content.trim(),"image/svg+xml").querySelector("svg"),e=t.getAttribute("viewBox");for(e&&(this.viewBox=e),this.element.innerHTML="";t.childNodes.length>0;)this.element.appendChild(t.childNodes[0])}}_colorFillPaths(){this.fillColor&&this.element.querySelectorAll(".ck-icon__fill").forEach(t=>{t.style.fill=this.fillColor})}}i(27);class Sl extends rl{constructor(t){super(t),this.set("text",""),this.set("position","s");const e=this.bindTemplate;this.setTemplate({tag:"span",attributes:{class:["ck","ck-tooltip",e.to("position",t=>"ck-tooltip_"+t),e.if("text","ck-hidden",t=>!t.trim())]},children:[{tag:"span",attributes:{class:["ck","ck-tooltip__text"]},children:[{text:e.to("text")}]}]})}}i(29);class Ml extends rl{constructor(t){super(t);const e=this.bindTemplate,i=li();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(i),this.iconView=new Pl,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",e.to("class"),e.if("isEnabled","ck-disabled",t=>!t),e.if("isVisible","ck-hidden",t=>!t),e.to("isOn",t=>t?"ck-on":"ck-off"),e.if("withText","ck-button_with-text"),e.if("withKeystroke","ck-button_with-keystroke")],type:e.to("type",t=>t||"button"),tabindex:e.to("tabindex"),"aria-labelledby":"ck-editor__aria-label_"+i,"aria-disabled":e.if("isEnabled",!0,t=>!t),"aria-pressed":e.to("isOn",t=>!!this.isToggleable&&String(t))},children:this.children,on:{mousedown:e.to(t=>{t.preventDefault()}),click:e.to(t=>{this.isEnabled?this.fire("execute"):t.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 t=new Sl;return t.bind("text").to(this,"_tooltipString"),t.bind("position").to(this,"tooltipPosition"),t}_createLabelView(t){const e=new rl,i=this.bindTemplate;return e.setTemplate({tag:"span",attributes:{class:["ck","ck-button__label"],style:i.to("labelStyle"),id:"ck-editor__aria-label_"+t},children:[{text:this.bindTemplate.to("label")}]}),e}_createKeystrokeView(){const t=new rl;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__keystroke"]},children:[{text:this.bindTemplate.to("keystroke",t=>wo(t))}]}),t}_getTooltipString(t,e,i){return t?"string"==typeof t?t:(i&&(i=wo(i)),t instanceof Function?t(e,i):`${e}${i?` (${i})`:""}`):""}}var El='<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 Il extends Ml{constructor(t){super(t),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 t=new Pl;return t.content=El,t.extendTemplate({attributes:{class:"ck-dropdown__arrow"}}),t}}i(31);class Nl extends rl{constructor(){super(),this.items=this.createCollection(),this.focusTracker=new Ec,this.keystrokes=new vc,this._focusCycler=new bl({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 t of this.items)this.focusTracker.add(t.element);this.items.on("add",(t,e)=>{this.focusTracker.add(e.element)}),this.items.on("remove",(t,e)=>{this.focusTracker.remove(e.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}}class Ol extends rl{constructor(t){super(t),this.children=this.createCollection(),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__item"]},children:this.children})}focus(){this.children.first.focus()}}class Rl extends rl{constructor(t){super(t),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__separator"]}})}}i(33);class Dl extends Ml{constructor(t){super(t),this.isToggleable=!0,this.toggleSwitchView=this._createToggleView(),this.extendTemplate({attributes:{class:"ck-switchbutton"}})}render(){super.render(),this.children.add(this.toggleSwitchView)}_createToggleView(){const t=new rl;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__toggle"]},children:[{tag:"span",attributes:{class:["ck","ck-button__toggle__inner"]}}]}),t}}function Ll({emitter:t,activator:e,callback:i,contextElements:n}){t.listenTo(document,"mousedown",(t,{target:o})=>{if(e()){for(const t of n)if(t.contains(o))return;i()}})}i(35),i(37);function jl(t,e=Il){const i=new e(t),n=new yl(t),o=new Cl(t,i,n);return i.bind("isEnabled").to(o),i instanceof Il?i.bind("isOn").to(o,"isOpen"):i.arrowView.bind("isOn").to(o,"isOpen"),function(t){(function(t){t.on("render",()=>{Ll({emitter:t,activator:()=>t.isOpen,callback:()=>{t.isOpen=!1},contextElements:[t.element]})})})(t),function(t){t.on("execute",e=>{e.source instanceof Dl||(t.isOpen=!1)})}(t),function(t){t.keystrokes.set("arrowdown",(e,i)=>{t.isOpen&&(t.panelView.focus(),i())}),t.keystrokes.set("arrowup",(e,i)=>{t.isOpen&&(t.panelView.focusLast(),i())})}(t)}(o),o}function Vl(t,e){const i=t.locale,n=i.t,o=t.toolbarView=new Bl(i);o.set("ariaLabel",n("bq")),t.extendTemplate({attributes:{class:["ck-toolbar-dropdown"]}}),e.map(t=>o.items.add(t)),t.panelView.children.add(o),o.items.delegate("execute").to(t)}function zl(t,e){const i=t.locale,n=t.listView=new Nl(i);n.items.bindTo(e).using(({type:t,model:e})=>{if("separator"===t)return new Rl(i);if("button"===t||"switchbutton"===t){const n=new Ol(i);let o;return o="button"===t?new Ml(i):new Dl(i),o.bind(...Object.keys(e)).to(e),o.delegate("execute").to(n),n.children.add(o),n}}),t.panelView.children.add(n),n.items.delegate("execute").to(t)}i(39);class Bl extends rl{constructor(t,e){super(t);const i=this.bindTemplate,n=this.t;var o;this.options=e||{},this.set("ariaLabel",n("bx")),this.set("maxWidth","auto"),this.items=this.createCollection(),this.focusTracker=new Ec,this.keystrokes=new vc,this.set("class"),this.set("isCompact",!1),this.itemsView=new Fl(t),this.children=this.createCollection(),this.children.add(this.itemsView),this.focusables=this.createCollection(),this._focusCycler=new bl({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",i.to("class"),i.if("isCompact","ck-toolbar_compact")],role:"toolbar","aria-label":i.to("ariaLabel"),style:{maxWidth:i.to("maxWidth")}},children:this.children,on:{mousedown:(o=this,o.bindTemplate.to(t=>{t.target===o.element&&t.preventDefault()}))}}),this._behavior=this.options.shouldGroupWhenFull?new Hl(this):new Ul(this)}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.items.on("add",(t,e)=>{this.focusTracker.add(e.element)}),this.items.on("remove",(t,e)=>{this.focusTracker.remove(e.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(t,e){t.map(t=>{"|"==t?this.items.add(new kl):e.has(t)?this.items.add(e.create(t)):console.warn(Object(hi.a)("toolbarview-item-unavailable: The requested toolbar item is unavailable."),{name:t})})}}class Fl extends rl{constructor(t){super(t),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar__items"]},children:this.children})}}class Ul{constructor(t){const e=t.bindTemplate;t.set("isVertical",!1),t.itemsView.children.bindTo(t.items).using(t=>t),t.focusables.bindTo(t.items).using(t=>t),t.extendTemplate({attributes:{class:[e.if("isVertical","ck-toolbar_vertical")]}})}render(){}destroy(){}}class Hl{constructor(t){this.viewChildren=t.children,this.viewFocusables=t.focusables,this.viewItemsView=t.itemsView,this.viewFocusTracker=t.focusTracker,this.viewLocale=t.locale,this.ungroupedItems=t.createCollection(),this.groupedItems=t.createCollection(),this.groupedItemsDropdown=this._createGroupedItemsDropdown(),this.resizeObserver=null,this.cachedPadding=null,t.itemsView.children.bindTo(this.ungroupedItems).using(t=>t),this.ungroupedItems.on("add",this._updateFocusCycleableItems.bind(this)),this.ungroupedItems.on("remove",this._updateFocusCycleableItems.bind(this)),t.children.on("add",this._updateFocusCycleableItems.bind(this)),t.children.on("remove",this._updateFocusCycleableItems.bind(this)),t.items.on("add",(t,e,i)=>{i>this.ungroupedItems.length?this.groupedItems.add(e,i-this.ungroupedItems.length):this.ungroupedItems.add(e,i),this._updateGrouping()}),t.items.on("remove",(t,e,i)=>{i>this.ungroupedItems.length?this.groupedItems.remove(e):this.ungroupedItems.remove(e),this._updateGrouping()}),t.extendTemplate({attributes:{class:["ck-toolbar_grouping"]}})}render(t){this.viewElement=t.element,this._enableGroupingOnResize(),this._enableGroupingOnMaxWidthChange(t)}destroy(){this.groupedItemsDropdown.destroy(),this.resizeObserver.destroy()}_updateGrouping(){if(!this.viewElement.ownerDocument.body.contains(this.viewElement))return;let t;for(;this._areItemsOverflowing;)this._groupLastItem(),t=!0;if(!t&&this.groupedItems.length){for(;this.groupedItems.length&&!this._areItemsOverflowing;)this._ungroupFirstItem();this._areItemsOverflowing&&this._groupLastItem()}}get _areItemsOverflowing(){if(!this.ungroupedItems.length)return!1;const t=this.viewElement,e=this.viewLocale.uiLanguageDirection,i=new Zr(t.lastChild),n=new Zr(t);if(!this.cachedPadding){const i=Xo.window.getComputedStyle(t),n="ltr"===e?"paddingRight":"paddingLeft";this.cachedPadding=Number.parseInt(i[n])}return"ltr"===e?i.right>n.right-this.cachedPadding:i.left<n.left+this.cachedPadding}_enableGroupingOnResize(){let t;this.resizeObserver=new _l(this.viewElement,e=>{t&&t===e.contentRect.width||(this._updateGrouping(),t=e.contentRect.width)}),this._updateGrouping()}_enableGroupingOnMaxWidthChange(t){t.on("change:maxWidth",()=>{this._updateGrouping()})}_groupLastItem(){this.groupedItems.length||(this.viewChildren.add(new kl),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 t=this.viewLocale,e=t.t,i=jl(t);return i.class="ck-toolbar__grouped-dropdown",i.panelPosition="ltr"===t.uiLanguageDirection?"sw":"se",Vl(i,[]),i.buttonView.set({label:e("by"),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>'}),i.toolbarView.items.bindTo(this.groupedItems).using(t=>t),i}_updateFocusCycleableItems(){this.viewFocusables.clear(),this.ungroupedItems.map(t=>{this.viewFocusables.add(t)}),this.groupedItems.length&&this.viewFocusables.add(this.groupedItemsDropdown)}}i(41);class ql extends hl{constructor(t,e,i={}){super(t),this.stickyPanel=new pl(t),this.toolbar=new Bl(t,{shouldGroupWhenFull:i.shouldToolbarGroupWhenFull}),this.editable=new fl(t,e)}render(){super.render(),this.stickyPanel.content.add(this.toolbar),this.top.add(this.stickyPanel),this.main.add(this.editable)}}class Wl extends xc{constructor(t,e){super(e),ii(t)&&(this.sourceElement=t),this.data.processor=new Pc(this.data.viewDocument),this.model.document.createRoot();const i=!this.config.get("toolbar.shouldNotGroupWhenFull"),n=new ql(this.locale,this.editing.view,{shouldToolbarGroupWhenFull:i});this.ui=new Vc(this,n),function(t){if(!z(t.updateSourceElement))throw new hi.b("attachtoform-missing-elementapi-interface: Editor passed to attachToForm() must implement ElementApi.",t);const e=t.sourceElement;if(e&&"textarea"===e.tagName.toLowerCase()&&e.form){let i;const n=e.form,o=()=>t.updateSourceElement();z(n.submit)&&(i=n.submit,n.submit=()=>{o(),i.apply(n)}),n.addEventListener("submit",o),t.on("destroy",()=>{n.removeEventListener("submit",o),i&&(n.submit=i)})}}(this)}destroy(){return this.sourceElement&&this.updateSourceElement(),this.ui.destroy(),super.destroy()}static create(t,e={}){return new Promise(i=>{const n=new this(t,e);i(n.initPlugins().then(()=>n.ui.init(ii(t)?t:null)).then(()=>{if(!ii(t)&&e.initialData)throw new hi.b("editor-create-initial-data: The config.initialData option cannot be used together with initial data passed in Editor.create().",null);const i=e.initialData||function(t){return ii(t)?(e=t,e instanceof HTMLTextAreaElement?e.value:e.innerHTML):t;var e}(t);return n.data.init(i)}).then(()=>n.fire("ready")).then(()=>n))})}}vi(Wl,Ac),vi(Wl,Tc);class Yl{constructor(t){this.editor=t,this.set("isEnabled",!0),this._disableStack=new Set}forceDisabled(t){this._disableStack.add(t),1==this._disableStack.size&&(this.on("set:isEnabled",$l,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(t){this._disableStack.delete(t),0==this._disableStack.size&&(this.off("set:isEnabled",$l),this.isEnabled=!0)}destroy(){this.stopListening()}static get isContextPlugin(){return!1}}function $l(t){t.return=!1,t.stop()}vi(Yl,Un);class Gl{constructor(t){this.files=function(t){const e=t.files?Array.from(t.files):[],i=t.items?Array.from(t.items):[];if(e.length)return e;return i.filter(t=>"file"===t.kind).map(t=>t.getAsFile())}(t),this._native=t}get types(){return this._native.types}getData(t){return this._native.getData(t)}setData(t,e){this._native.setData(t,e)}}class Ql extends Nr{constructor(t){super(t);const e=this.document;function i(t,i){i.preventDefault();const n=i.dropRange?[i.dropRange]:Array.from(e.selection.getRanges()),o=new ai(e,"clipboardInput");e.fire(o,{dataTransfer:i.dataTransfer,targetRanges:n}),o.stop.called&&i.stopPropagation()}this.domEventType=["paste","copy","cut","drop","dragover"],this.listenTo(e,"paste",i,{priority:"low"}),this.listenTo(e,"drop",i,{priority:"low"})}onDomEvent(t){const e={dataTransfer:new Gl(t.clipboardData?t.clipboardData:t.dataTransfer)};"drop"==t.type&&(e.dropRange=function(t,e){const i=e.target.ownerDocument,n=e.clientX,o=e.clientY;let r;i.caretRangeFromPoint&&i.caretRangeFromPoint(n,o)?r=i.caretRangeFromPoint(n,o):e.rangeParent&&(r=i.createRange(),r.setStart(e.rangeParent,e.rangeOffset),r.collapse(!0));return r?t.domConverter.domRangeToView(r):t.document.selection.getFirstRange()}(this.view,t)),this.fire(t.type,t,e)}}const Kl=["figcaption","li"];class Jl extends Yl{static get pluginName(){return"Clipboard"}init(){const t=this.editor,e=t.model.document,i=t.editing.view,n=i.document;function o(i,o){const r=o.dataTransfer;o.preventDefault();const s=t.data.toView(t.model.getSelectedContent(e.selection));n.fire("clipboardOutput",{dataTransfer:r,content:s,method:i.name})}this._htmlDataProcessor=new Pc(n),i.addObserver(Ql),this.listenTo(n,"clipboardInput",e=>{t.isReadOnly&&e.stop()},{priority:"highest"}),this.listenTo(n,"clipboardInput",(t,e)=>{const n=e.dataTransfer;let o="";var r;n.getData("text/html")?o=function(t){return t.replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g,(t,e)=>1==e.length?" ":e)}(n.getData("text/html")):n.getData("text/plain")&&((r=(r=n.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>${r}</p>`),o=r),o=this._htmlDataProcessor.toView(o),this.fire("inputTransformation",{content:o,dataTransfer:n}),i.scrollToTheSelection()},{priority:"low"}),this.listenTo(this,"inputTransformation",(t,e)=>{if(!e.content.isEmpty){const t=this.editor.data,i=this.editor.model,n=t.toModel(e.content,"$clipboardHolder");if(0==n.childCount)return;i.insertContent(n)}},{priority:"low"}),this.listenTo(n,"copy",o,{priority:"low"}),this.listenTo(n,"cut",(e,i)=>{t.isReadOnly?i.preventDefault():o(e,i)},{priority:"low"}),this.listenTo(n,"clipboardOutput",(i,n)=>{n.content.isEmpty||(n.dataTransfer.setData("text/html",this._htmlDataProcessor.toData(n.content)),n.dataTransfer.setData("text/plain",function t(e){let i="";if(e.is("text")||e.is("textProxy"))i=e.data;else if(e.is("img")&&e.hasAttribute("alt"))i=e.getAttribute("alt");else{let n=null;for(const o of e.getChildren()){const e=t(o);n&&(n.is("containerElement")||o.is("containerElement"))&&(Kl.includes(n.name)||Kl.includes(o.name)?i+="\n":i+="\n\n"),i+=e,n=o}}return i}(n.content))),"cut"==n.method&&t.model.deleteContent(e.selection)},{priority:"low"})}}class Zl{constructor(t){this.editor=t,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",t=>{this.isEnabled||t.stop()},{priority:"high"}),this.listenTo(t,"change:isReadOnly",(t,e,i)=>{i?this.forceDisabled("readOnlyMode"):this.clearForceDisabled("readOnlyMode")})}refresh(){this.isEnabled=!0}forceDisabled(t){this._disableStack.add(t),1==this._disableStack.size&&(this.on("set:isEnabled",Xl,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(t){this._disableStack.delete(t),0==this._disableStack.size&&(this.off("set:isEnabled",Xl),this.refresh())}execute(){}destroy(){this.stopListening()}}function Xl(t){t.return=!1,t.stop()}function*td(t,e){for(const i of e)i&&t.getAttributeProperties(i[0]).copyOnEnter&&(yield i)}vi(Zl,Un);class ed extends Zl{execute(){const t=this.editor.model,e=t.document;t.change(i=>{!function(t,e,i,n){const o=i.isCollapsed,r=i.getFirstRange(),s=r.start.parent,a=r.end.parent;if(n.isLimit(s)||n.isLimit(a))return void(o||s!=a||t.deleteContent(i));if(o){const t=td(e.model.schema,i.getAttributes());id(e,r.start),e.setSelectionAttribute(t)}else{const n=!(r.start.isAtStart&&r.end.isAtEnd),o=s==a;t.deleteContent(i,{leaveUnmerged:n}),n&&(o?id(e,i.focus):e.setSelection(a,0))}}(this.editor.model,i,e.selection,t.schema),this.fire("afterExecute",{writer:i})})}}function id(t,e){t.split(e),t.setSelection(e.parent.nextSibling,0)}class nd extends hr{constructor(t){super(t);const e=this.document;e.on("keydown",(t,i)=>{if(this.isEnabled&&i.keyCode==go.enter){let n;e.once("enter",t=>n=t,{priority:"highest"}),e.fire("enter",new Ir(e,i.domEvent,{isSoft:i.shiftKey})),n&&n.stop.called&&t.stop()}})}observe(){}}class od extends Yl{static get pluginName(){return"Enter"}init(){const t=this.editor,e=t.editing.view,i=e.document;e.addObserver(nd),t.commands.add("enter",new ed(t)),this.listenTo(i,"enter",(i,n)=>{n.preventDefault(),n.isSoft||(t.execute("enter"),e.scrollToTheSelection())},{priority:"low"})}}class rd extends Zl{execute(){const t=this.editor.model,e=t.document;t.change(i=>{!function(t,e,i){const n=i.isCollapsed,o=i.getFirstRange(),r=o.start.parent,s=o.end.parent,a=r==s;if(n){const n=td(t.schema,i.getAttributes());sd(t,e,o.end),e.removeSelectionAttribute(i.getAttributeKeys()),e.setSelectionAttribute(n)}else{const n=!(o.start.isAtStart&&o.end.isAtEnd);t.deleteContent(i,{leaveUnmerged:n}),a?sd(t,e,i.focus):n&&e.setSelection(s,0)}}(t,i,e.selection),this.fire("afterExecute",{writer:i})})}refresh(){const t=this.editor.model,e=t.document;this.isEnabled=function(t,e){if(e.rangeCount>1)return!1;const i=e.anchor;if(!i||!t.checkChild(i,"softBreak"))return!1;const n=e.getFirstRange(),o=n.start.parent,r=n.end.parent;if((ad(o,t)||ad(r,t))&&o!==r)return!1;return!0}(t.schema,e.selection)}}function sd(t,e,i){const n=e.createElement("softBreak");t.insertContent(n,i),e.setSelection(n,"after")}function ad(t,e){return!t.is("rootElement")&&(e.isLimit(t)||ad(t.parent,e))}class cd extends Yl{static get pluginName(){return"ShiftEnter"}init(){const t=this.editor,e=t.model.schema,i=t.conversion,n=t.editing.view,o=n.document;e.register("softBreak",{allowWhere:"$text",isInline:!0}),i.for("upcast").elementToElement({model:"softBreak",view:"br"}),i.for("downcast").elementToElement({model:"softBreak",view:(t,e)=>e.createEmptyElement("br")}),n.addObserver(nd),t.commands.add("shiftEnter",new rd(t)),this.listenTo(o,"enter",(e,i)=>{i.preventDefault(),i.isSoft&&(t.execute("shiftEnter"),n.scrollToTheSelection())},{priority:"low"})}}class ld{constructor(t,e=20){this.model=t,this.size=0,this.limit=e,this.isLocked=!1,this._changeCallback=(t,e)=>{"transparent"!=e.type&&e!==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(t){this.size+=t,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(t){this.isLocked&&!t||(this._batch=null,this.size=0)}}class dd extends Zl{constructor(t,e){super(t),this._buffer=new ld(t.model,e),this._batches=new WeakSet}get buffer(){return this._buffer}destroy(){super.destroy(),this._buffer.destroy()}execute(t={}){const e=this.editor.model,i=e.document,n=t.text||"",o=n.length,r=t.range?e.createSelection(t.range):i.selection,s=t.resultRange;e.enqueueChange(this._buffer.batch,t=>{this._buffer.lock(),e.deleteContent(r),n&&e.insertContent(t.createText(n,i.selection.getAttributes()),r),s?t.setSelection(s):r.is("documentSelection")||t.setSelection(r),this._buffer.unlock(),this._buffer.input(o),this._batches.add(this._buffer.batch)})}}function hd(t){let e=null;const i=t.model,n=t.editing.view,o=t.commands.get("input");function r(t){const r=i.document,a=n.document.isComposing,c=e&&e.isEqual(r.selection);e=null,o.isEnabled&&(function(t){if(t.ctrlKey)return!0;return ud.includes(t.keyCode)}(t)||r.selection.isCollapsed||a&&229===t.keyCode||!a&&229===t.keyCode&&c||s())}function s(){const t=o.buffer;t.lock(),i.enqueueChange(t.batch,()=>{i.deleteContent(i.document.selection)}),t.unlock()}uo.isAndroid?n.document.on("beforeinput",(t,e)=>r(e),{priority:"lowest"}):n.document.on("keydown",(t,e)=>r(e),{priority:"lowest"}),n.document.on("compositionstart",(function(){const t=i.document,e=1!==t.selection.rangeCount||t.selection.getFirstRange().isFlat;if(t.selection.isCollapsed||e)return;s()}),{priority:"lowest"}),n.document.on("compositionend",()=>{e=i.createSelection(i.document.selection)},{priority:"lowest"})}const ud=[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 t=112;t<=135;t++)ud.push(t);function fd(t){if(t.newChildren.length-t.oldChildren.length!=1)return;const e=function(t,e){const i=[];let n,o=0;return t.forEach(t=>{"equal"==t?(r(),o++):"insert"==t?(s("insert")?n.values.push(e[o]):(r(),n={type:"insert",index:o,values:[e[o]]}),o++):s("delete")?n.howMany++:(r(),n={type:"delete",index:o,howMany:1})}),r(),i;function r(){n&&(i.push(n),n=null)}function s(t){return n&&n.type==t}}(Wo(t.oldChildren,t.newChildren,md),t.newChildren);if(e.length>1)return;const i=e[0];return i.values[0]&&i.values[0].is("text")?i:void 0}function md(t,e){return t&&t.is("text")&&e&&e.is("text")?t.data===e.data:t===e}class gd{constructor(t){this.editor=t,this.editing=this.editor.editing}handle(t,e){if(function(t){if(0==t.length)return!1;for(const e of t)if("children"===e.type&&!fd(e))return!0;return!1}(t))this._handleContainerChildrenMutations(t,e);else for(const i of t)this._handleTextMutation(i,e),this._handleTextNodeInsertion(i)}_handleContainerChildrenMutations(t,e){const i=function(t){const e=t.map(t=>t.node).reduce((t,e)=>t.getCommonAncestor(e,{includeSelf:!0}));if(!e)return;return e.getAncestors({includeSelf:!0,parentFirst:!0}).find(t=>t.is("containerElement")||t.is("rootElement"))}(t);if(!i)return;const n=this.editor.editing.view.domConverter.mapViewToDom(i),o=new nr(this.editor.editing.view.document),r=this.editor.data.toModel(o.domToView(n)).getChild(0),s=this.editor.editing.mapper.toModelElement(i);if(!s)return;const a=Array.from(r.getChildren()),c=Array.from(s.getChildren()),l=a[a.length-1],d=c[c.length-1];l&&l.is("softBreak")&&d&&!d.is("softBreak")&&a.pop();const h=this.editor.model.schema;if(!pd(a,h)||!pd(c,h))return;const u=a.map(t=>t.is("text")?t.data:"@").join("").replace(/\u00A0/g," "),f=c.map(t=>t.is("text")?t.data:"@").join("").replace(/\u00A0/g," ");if(f===u)return;const m=Wo(f,u),{firstChangeAt:g,insertions:p,deletions:b}=bd(m);let w=null;e&&(w=this.editing.mapper.toModelRange(e.getFirstRange()));const k=u.substr(g,p),_=this.editor.model.createRange(this.editor.model.createPositionAt(s,g),this.editor.model.createPositionAt(s,g+b));this.editor.execute("input",{text:k,range:_,resultRange:w})}_handleTextMutation(t,e){if("text"!=t.type)return;const i=t.newText.replace(/\u00A0/g," "),n=t.oldText.replace(/\u00A0/g," ");if(n===i)return;const o=Wo(n,i),{firstChangeAt:r,insertions:s,deletions:a}=bd(o);let c=null;e&&(c=this.editing.mapper.toModelRange(e.getFirstRange()));const l=this.editing.view.createPositionAt(t.node,r),d=this.editing.mapper.toModelPosition(l),h=this.editor.model.createRange(d,d.getShiftedBy(a)),u=i.substr(r,s);this.editor.execute("input",{text:u,range:h,resultRange:c})}_handleTextNodeInsertion(t){if("children"!=t.type)return;const e=fd(t),i=this.editing.view.createPositionAt(t.node,e.index),n=this.editing.mapper.toModelPosition(i),o=e.values[0].data;this.editor.execute("input",{text:o.replace(/\u00A0/g," "),range:this.editor.model.createRange(n)})}}function pd(t,e){return t.every(t=>e.isInline(t))}function bd(t){let e=null,i=null;for(let n=0;n<t.length;n++){"equal"!=t[n]&&(e=null===e?n:e,i=n)}let n=0,o=0;for(let r=e;r<=i;r++)"insert"!=t[r]&&n++,"delete"!=t[r]&&o++;return{insertions:o,deletions:n,firstChangeAt:e}}class wd extends Yl{static get pluginName(){return"Input"}init(){const t=this.editor,e=new dd(t,t.config.get("typing.undoStep")||20);t.commands.add("input",e),hd(t),function(t){t.editing.view.document.on("mutations",(e,i,n)=>{new gd(t).handle(i,n)})}(t)}isInput(t){return this.editor.commands.get("input")._batches.has(t)}}class kd extends Zl{constructor(t,e){super(t),this.direction=e,this._buffer=new ld(t.model,t.config.get("typing.undoStep"))}get buffer(){return this._buffer}execute(t={}){const e=this.editor.model,i=e.document;e.enqueueChange(this._buffer.batch,n=>{this._buffer.lock();const o=n.createSelection(t.selection||i.selection),r=o.isCollapsed;if(o.isCollapsed&&e.modifySelection(o,{direction:this.direction,unit:t.unit}),this._shouldEntireContentBeReplacedWithParagraph(t.sequence||1))return void this._replaceEntireContentWithParagraph(n);if(o.isCollapsed)return;let s=0;o.getFirstRange().getMinimalFlatRanges().forEach(t=>{s+=eo(t.getWalker({singleCharacters:!0,ignoreElementEnd:!0,shallow:!0}))}),e.deleteContent(o,{doNotResetEntireContent:r,direction:this.direction}),this._buffer.input(s),n.setSelection(o),this._buffer.unlock()})}_shouldEntireContentBeReplacedWithParagraph(t){if(t>1)return!1;const e=this.editor.model,i=e.document.selection,n=e.schema.getLimitElement(i);if(!(i.isCollapsed&&i.containsEntireContent(n)))return!1;if(!e.schema.checkChild(n,"paragraph"))return!1;const o=n.getChild(0);return!o||"paragraph"!==o.name}_replaceEntireContentWithParagraph(t){const e=this.editor.model,i=e.document.selection,n=e.schema.getLimitElement(i),o=t.createElement("paragraph");t.remove(t.createRangeIn(n)),t.insert(o,n),t.setSelection(o,0)}}class _d extends hr{constructor(t){super(t);const e=t.document;let i=0;function n(t,i,n){let o;e.once("delete",t=>o=t,{priority:Number.POSITIVE_INFINITY}),e.fire("delete",new Ir(e,i,n)),o&&o.stop.called&&t.stop()}e.on("keyup",(t,e)=>{e.keyCode!=go.delete&&e.keyCode!=go.backspace||(i=0)}),e.on("keydown",(t,e)=>{const o={};if(e.keyCode==go.delete)o.direction="forward",o.unit="character";else{if(e.keyCode!=go.backspace)return;o.direction="backward",o.unit="codePoint"}const r=uo.isMac?e.altKey:e.ctrlKey;o.unit=r?"word":o.unit,o.sequence=++i,n(t,e.domEvent,o)}),uo.isAndroid&&e.on("beforeinput",(e,i)=>{if("deleteContentBackward"!=i.domEvent.inputType)return;const o={unit:"codepoint",direction:"backward",sequence:1},r=i.domTarget.ownerDocument.defaultView.getSelection();r.anchorNode==r.focusNode&&r.anchorOffset+1!=r.focusOffset&&(o.selectionToRemove=t.domConverter.domSelectionToView(r)),n(e,i.domEvent,o)})}observe(){}}class vd extends Yl{static get pluginName(){return"Delete"}init(){const t=this.editor,e=t.editing.view,i=e.document;if(e.addObserver(_d),t.commands.add("forwardDelete",new kd(t,"forward")),t.commands.add("delete",new kd(t,"backward")),this.listenTo(i,"delete",(i,n)=>{const o={unit:n.unit,sequence:n.sequence};if(n.selectionToRemove){const e=t.model.createSelection(),i=[];for(const e of n.selectionToRemove.getRanges())i.push(t.editing.mapper.toModelRange(e));e.setTo(i),o.selection=e}t.execute("forward"==n.direction?"forwardDelete":"delete",o),n.preventDefault(),e.scrollToTheSelection()}),uo.isAndroid){let t=null;this.listenTo(i,"delete",(e,i)=>{const n=i.domTarget.ownerDocument.defaultView.getSelection();t={anchorNode:n.anchorNode,anchorOffset:n.anchorOffset,focusNode:n.focusNode,focusOffset:n.focusOffset}},{priority:"lowest"}),this.listenTo(i,"keyup",(e,i)=>{if(t){const e=i.domTarget.ownerDocument.defaultView.getSelection();e.collapse(t.anchorNode,t.anchorOffset),e.extend(t.focusNode,t.focusOffset),t=null}})}}}class yd extends Yl{static get requires(){return[wd,vd]}static get pluginName(){return"Typing"}}const xd=new Map;function Ad(t,e,i){let n=xd.get(t);n||(n=new Map,xd.set(t,n)),n.set(e,i)}function Td(t){return[t]}function Cd(t,e,i={}){const n=function(t,e){const i=xd.get(t);return i&&i.has(e)?i.get(e):Td}(t.constructor,e.constructor);try{return n(t=t.clone(),e,i)}catch(t){throw t}}function Pd(t,e,i){t=t.slice(),e=e.slice();const n=new Sd(i.document,i.useRelations,i.forceWeakRemove);n.setOriginalOperations(t),n.setOriginalOperations(e);const o=n.originalOperations;if(0==t.length||0==e.length)return{operationsA:t,operationsB:e,originalOperations:o};const r=new WeakMap;for(const e of t)r.set(e,0);const s={nextBaseVersionA:t[t.length-1].baseVersion+1,nextBaseVersionB:e[e.length-1].baseVersion+1,originalOperationsACount:t.length,originalOperationsBCount:e.length};let a=0;for(;a<t.length;){const i=t[a],o=r.get(i);if(o==e.length){a++;continue}const s=e[o],c=Cd(i,s,n.getContext(i,s,!0)),l=Cd(s,i,n.getContext(s,i,!1));n.updateRelation(i,s),n.setOriginalOperations(c,i),n.setOriginalOperations(l,s);for(const t of c)r.set(t,o+l.length);t.splice(a,1,...c),e.splice(o,1,...l)}if(i.padWithNoOps){const i=t.length-s.originalOperationsACount,n=e.length-s.originalOperationsBCount;Ed(t,n-i),Ed(e,i-n)}return Md(t,s.nextBaseVersionB),Md(e,s.nextBaseVersionA),{operationsA:t,operationsB:e,originalOperations:o}}class Sd{constructor(t,e,i=!1){this.originalOperations=new Map,this._history=t.history,this._useRelations=e,this._forceWeakRemove=!!i,this._relations=new Map}setOriginalOperations(t,e=null){const i=e?this.originalOperations.get(e):null;for(const e of t)this.originalOperations.set(e,i||e)}updateRelation(t,e){switch(t.constructor){case Ia:switch(e.constructor){case La:t.targetPosition.isEqual(e.sourcePosition)||e.movedRange.containsPosition(t.targetPosition)?this._setRelation(t,e,"insertAtSource"):t.targetPosition.isEqual(e.deletionPosition)?this._setRelation(t,e,"insertBetween"):t.targetPosition.isAfter(e.sourcePosition)&&this._setRelation(t,e,"moveTargetAfter");break;case Ia:t.targetPosition.isEqual(e.sourcePosition)||t.targetPosition.isBefore(e.sourcePosition)?this._setRelation(t,e,"insertBefore"):this._setRelation(t,e,"insertAfter")}break;case ja:switch(e.constructor){case La:t.splitPosition.isBefore(e.sourcePosition)&&this._setRelation(t,e,"splitBefore");break;case Ia:(t.splitPosition.isEqual(e.sourcePosition)||t.splitPosition.isBefore(e.sourcePosition))&&this._setRelation(t,e,"splitBefore")}break;case La:switch(e.constructor){case La:t.targetPosition.isEqual(e.sourcePosition)||this._setRelation(t,e,"mergeTargetNotMoved"),t.sourcePosition.isEqual(e.targetPosition)&&this._setRelation(t,e,"mergeSourceNotMoved"),t.sourcePosition.isEqual(e.sourcePosition)&&this._setRelation(t,e,"mergeSameElement");break;case ja:t.sourcePosition.isEqual(e.splitPosition)&&this._setRelation(t,e,"splitAtSource")}break;case Oa:{const i=t.newRange;if(!i)return;switch(e.constructor){case Ia:{const n=_s._createFromPositionAndShift(e.sourcePosition,e.howMany),o=n.containsPosition(i.start)||n.start.isEqual(i.start),r=n.containsPosition(i.end)||n.end.isEqual(i.end);!o&&!r||n.containsRange(i)||this._setRelation(t,e,{side:o?"left":"right",path:o?i.start.path.slice():i.end.path.slice()});break}case La:{const n=i.start.isEqual(e.targetPosition),o=i.start.isEqual(e.deletionPosition),r=i.end.isEqual(e.deletionPosition),s=i.end.isEqual(e.sourcePosition);(n||o||r||s)&&this._setRelation(t,e,{wasInLeftElement:n,wasStartBeforeMergedElement:o,wasEndBeforeMergedElement:r,wasInRightElement:s});break}}break}}}getContext(t,e,i){return{aIsStrong:i,aWasUndone:this._wasUndone(t),bWasUndone:this._wasUndone(e),abRelation:this._useRelations?this._getRelation(t,e):null,baRelation:this._useRelations?this._getRelation(e,t):null,forceWeakRemove:this._forceWeakRemove}}_wasUndone(t){const e=this.originalOperations.get(t);return e.wasUndone||this._history.isUndoneOperation(e)}_getRelation(t,e){const i=this.originalOperations.get(e),n=this._history.getUndoneOperation(i);if(!n)return null;const o=this.originalOperations.get(t),r=this._relations.get(o);return r&&r.get(n)||null}_setRelation(t,e,i){const n=this.originalOperations.get(t),o=this.originalOperations.get(e);let r=this._relations.get(n);r||(r=new Map,this._relations.set(n,r)),r.set(o,i)}}function Md(t,e){for(const i of t)i.baseVersion=e++}function Ed(t,e){for(let i=0;i<e;i++)t.push(new ic(0))}function Id(t,e,i){const n=t.nodes.getNode(0).getAttribute(e);if(n==i)return null;const o=new _s(t.position,t.position.getShiftedBy(t.howMany));return new Ma(o,e,n,i,0)}function Nd(t,e){return null===t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany)}function Od(t,e){const i=[];for(let n=0;n<t.length;n++){const o=t[n],r=new Ia(o.start,o.end.offset-o.start.offset,e,0);i.push(r);for(let e=n+1;e<t.length;e++)t[e]=t[e]._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)[0];e=e._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)}return i}Ad(Ma,Ma,(t,e,i)=>{if(t.key===e.key){const n=t.range.getDifference(e.range).map(e=>new Ma(e,t.key,t.oldValue,t.newValue,0)),o=t.range.getIntersection(e.range);return o&&i.aIsStrong&&n.push(new Ma(o,e.key,e.newValue,t.newValue,0)),0==n.length?[new ic(0)]:n}return[t]}),Ad(Ma,Na,(t,e)=>{if(t.range.start.hasSameParentAs(e.position)&&t.range.containsPosition(e.position)){const i=t.range._getTransformedByInsertion(e.position,e.howMany,!e.shouldReceiveAttributes).map(e=>new Ma(e,t.key,t.oldValue,t.newValue,t.baseVersion));if(e.shouldReceiveAttributes){const n=Id(e,t.key,t.oldValue);n&&i.unshift(n)}return i}return t.range=t.range._getTransformedByInsertion(e.position,e.howMany,!1)[0],[t]}),Ad(Ma,La,(t,e)=>{const i=[];t.range.start.hasSameParentAs(e.deletionPosition)&&(t.range.containsPosition(e.deletionPosition)||t.range.start.isEqual(e.deletionPosition))&&i.push(_s._createFromPositionAndShift(e.graveyardPosition,1));const n=t.range._getTransformedByMergeOperation(e);return n.isCollapsed||i.push(n),i.map(e=>new Ma(e,t.key,t.oldValue,t.newValue,t.baseVersion))}),Ad(Ma,Ia,(t,e)=>function(t,e){const i=_s._createFromPositionAndShift(e.sourcePosition,e.howMany);let n=null,o=[];i.containsRange(t,!0)?n=t:t.start.hasSameParentAs(i.start)?(o=t.getDifference(i),n=t.getIntersection(i)):o=[t];const r=[];for(let t of o){t=t._getTransformedByDeletion(e.sourcePosition,e.howMany);const i=e.getMovedRangeStart(),n=t.start.hasSameParentAs(i);t=t._getTransformedByInsertion(i,e.howMany,n),r.push(...t)}n&&r.push(n._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany,!1)[0]);return r}(t.range,e).map(e=>new Ma(e,t.key,t.oldValue,t.newValue,t.baseVersion))),Ad(Ma,ja,(t,e)=>{if(t.range.end.isEqual(e.insertionPosition))return e.graveyardPosition||t.range.end.offset++,[t];if(t.range.start.hasSameParentAs(e.splitPosition)&&t.range.containsPosition(e.splitPosition)){const i=t.clone();return i.range=new _s(e.moveTargetPosition.clone(),t.range.end._getCombined(e.splitPosition,e.moveTargetPosition)),t.range.end=e.splitPosition.clone(),t.range.end.stickiness="toPrevious",[t,i]}return t.range=t.range._getTransformedBySplitOperation(e),[t]}),Ad(Na,Ma,(t,e)=>{const i=[t];if(t.shouldReceiveAttributes&&t.position.hasSameParentAs(e.range.start)&&e.range.containsPosition(t.position)){const n=Id(t,e.key,e.newValue);n&&i.push(n)}return i}),Ad(Na,Na,(t,e,i)=>(t.position.isEqual(e.position)&&i.aIsStrong||(t.position=t.position._getTransformedByInsertOperation(e)),[t])),Ad(Na,Ia,(t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t])),Ad(Na,ja,(t,e)=>(t.position=t.position._getTransformedBySplitOperation(e),[t])),Ad(Na,La,(t,e)=>(t.position=t.position._getTransformedByMergeOperation(e),[t])),Ad(Oa,Na,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByInsertOperation(e)[0]),t.newRange&&(t.newRange=t.newRange._getTransformedByInsertOperation(e)[0]),[t])),Ad(Oa,Oa,(t,e,i)=>{if(t.name==e.name){if(!i.aIsStrong)return[new ic(0)];t.oldRange=e.newRange?e.newRange.clone():null}return[t]}),Ad(Oa,La,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByMergeOperation(e)),t.newRange&&(t.newRange=t.newRange._getTransformedByMergeOperation(e)),[t])),Ad(Oa,Ia,(t,e,i)=>{if(t.oldRange&&(t.oldRange=_s._createFromRanges(t.oldRange._getTransformedByMoveOperation(e))),t.newRange){if(i.abRelation){const n=_s._createFromRanges(t.newRange._getTransformedByMoveOperation(e));if("left"==i.abRelation.side&&e.targetPosition.isEqual(t.newRange.start))return t.newRange.start.path=i.abRelation.path,t.newRange.end=n.end,[t];if("right"==i.abRelation.side&&e.targetPosition.isEqual(t.newRange.end))return t.newRange.start=n.start,t.newRange.end.path=i.abRelation.path,[t]}t.newRange=_s._createFromRanges(t.newRange._getTransformedByMoveOperation(e))}return[t]}),Ad(Oa,ja,(t,e,i)=>{if(t.oldRange&&(t.oldRange=t.oldRange._getTransformedBySplitOperation(e)),t.newRange){if(i.abRelation){const n=t.newRange._getTransformedBySplitOperation(e);return t.newRange.start.isEqual(e.splitPosition)&&i.abRelation.wasStartBeforeMergedElement?t.newRange.start=ks._createAt(e.insertionPosition):t.newRange.start.isEqual(e.splitPosition)&&!i.abRelation.wasInLeftElement&&(t.newRange.start=ks._createAt(e.moveTargetPosition)),t.newRange.end.isEqual(e.splitPosition)&&i.abRelation.wasInRightElement?t.newRange.end=ks._createAt(e.moveTargetPosition):t.newRange.end.isEqual(e.splitPosition)&&i.abRelation.wasEndBeforeMergedElement?t.newRange.end=ks._createAt(e.insertionPosition):t.newRange.end=n.end,[t]}t.newRange=t.newRange._getTransformedBySplitOperation(e)}return[t]}),Ad(La,Na,(t,e)=>(t.sourcePosition.hasSameParentAs(e.position)&&(t.howMany+=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByInsertOperation(e),t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e),[t])),Ad(La,La,(t,e,i)=>{if(t.sourcePosition.isEqual(e.sourcePosition)&&t.targetPosition.isEqual(e.targetPosition)){if(i.bWasUndone){const i=e.graveyardPosition.path.slice();return i.push(0),t.sourcePosition=new ks(e.graveyardPosition.root,i),t.howMany=0,[t]}return[new ic(0)]}if(t.sourcePosition.isEqual(e.sourcePosition)&&!t.targetPosition.isEqual(e.targetPosition)&&!i.bWasUndone&&"splitAtSource"!=i.abRelation){const n="$graveyard"==t.targetPosition.root.rootName,o="$graveyard"==e.targetPosition.root.rootName,r=n&&!o;if(o&&!n||!r&&i.aIsStrong){const i=e.targetPosition._getTransformedByMergeOperation(e),n=t.targetPosition._getTransformedByMergeOperation(e);return[new Ia(i,t.howMany,n,0)]}return[new ic(0)]}return t.sourcePosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByMergeOperation(e),t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),t.graveyardPosition.isEqual(e.graveyardPosition)&&i.aIsStrong||(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]}),Ad(La,Ia,(t,e,i)=>{const n=_s._createFromPositionAndShift(e.sourcePosition,e.howMany);return"remove"==e.type&&!i.bWasUndone&&!i.forceWeakRemove&&t.deletionPosition.hasSameParentAs(e.sourcePosition)&&n.containsPosition(t.sourcePosition)?[new ic(0)]:(t.sourcePosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.sourcePosition.hasSameParentAs(e.sourcePosition)&&(t.howMany-=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByMoveOperation(e),t.targetPosition=t.targetPosition._getTransformedByMoveOperation(e),t.graveyardPosition.isEqual(e.targetPosition)||(t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)),[t])}),Ad(La,ja,(t,e,i)=>{if(e.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedByDeletion(e.graveyardPosition,1),t.deletionPosition.isEqual(e.graveyardPosition)&&(t.howMany=e.howMany)),t.targetPosition.isEqual(e.splitPosition)){const n=0!=e.howMany,o=e.graveyardPosition&&t.deletionPosition.isEqual(e.graveyardPosition);if(n||o||"mergeTargetNotMoved"==i.abRelation)return t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e),[t]}if(t.sourcePosition.isEqual(e.splitPosition)){if("mergeSourceNotMoved"==i.abRelation)return t.howMany=0,t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t];if("mergeSameElement"==i.abRelation||t.sourcePosition.offset>0)return t.sourcePosition=e.moveTargetPosition.clone(),t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t]}return t.sourcePosition.hasSameParentAs(e.splitPosition)&&(t.howMany=e.splitPosition.offset),t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e),t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t]}),Ad(Ia,Na,(t,e)=>{const i=_s._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByInsertOperation(e,!1)[0];return t.sourcePosition=i.start,t.howMany=i.end.offset-i.start.offset,t.targetPosition.isEqual(e.position)||(t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e)),[t]}),Ad(Ia,Ia,(t,e,i)=>{const n=_s._createFromPositionAndShift(t.sourcePosition,t.howMany),o=_s._createFromPositionAndShift(e.sourcePosition,e.howMany);let r,s=i.aIsStrong,a=!i.aIsStrong;if("insertBefore"==i.abRelation||"insertAfter"==i.baRelation?a=!0:"insertAfter"!=i.abRelation&&"insertBefore"!=i.baRelation||(a=!1),r=t.targetPosition.isEqual(e.targetPosition)&&a?t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany):t.targetPosition._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),Nd(t,e)&&Nd(e,t))return[e.getReversed()];if(n.containsPosition(e.targetPosition)&&n.containsRange(o,!0))return n.start=n.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),n.end=n.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),Od([n],r);if(o.containsPosition(t.targetPosition)&&o.containsRange(n,!0))return n.start=n.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),n.end=n.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),Od([n],r);const c=Mi(t.sourcePosition.getParentPath(),e.sourcePosition.getParentPath());if("prefix"==c||"extension"==c)return n.start=n.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),n.end=n.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),Od([n],r);"remove"!=t.type||"remove"==e.type||i.aWasUndone||i.forceWeakRemove?"remove"==t.type||"remove"!=e.type||i.bWasUndone||i.forceWeakRemove||(s=!1):s=!0;const l=[],d=n.getDifference(o);for(const t of d){t.start=t.start._getTransformedByDeletion(e.sourcePosition,e.howMany),t.end=t.end._getTransformedByDeletion(e.sourcePosition,e.howMany);const i="same"==Mi(t.start.getParentPath(),e.getMovedRangeStart().getParentPath()),n=t._getTransformedByInsertion(e.getMovedRangeStart(),e.howMany,i);l.push(...n)}const h=n.getIntersection(o);return null!==h&&s&&(h.start=h.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),h.end=h.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),0===l.length?l.push(h):1==l.length?o.start.isBefore(n.start)||o.start.isEqual(n.start)?l.unshift(h):l.push(h):l.splice(1,0,h)),0===l.length?[new ic(t.baseVersion)]:Od(l,r)}),Ad(Ia,ja,(t,e,i)=>{let n=t.targetPosition.clone();t.targetPosition.isEqual(e.insertionPosition)&&e.graveyardPosition&&"moveTargetAfter"!=i.abRelation||(n=t.targetPosition._getTransformedBySplitOperation(e));const o=_s._createFromPositionAndShift(t.sourcePosition,t.howMany);if(o.end.isEqual(e.insertionPosition))return e.graveyardPosition||t.howMany++,t.targetPosition=n,[t];if(o.start.hasSameParentAs(e.splitPosition)&&o.containsPosition(e.splitPosition)){let t=new _s(e.splitPosition,o.end);return t=t._getTransformedBySplitOperation(e),Od([new _s(o.start,e.splitPosition),t],n)}t.targetPosition.isEqual(e.splitPosition)&&"insertAtSource"==i.abRelation&&(n=e.moveTargetPosition),t.targetPosition.isEqual(e.insertionPosition)&&"insertBetween"==i.abRelation&&(n=t.targetPosition);const r=[o._getTransformedBySplitOperation(e)];if(e.graveyardPosition){const n=o.start.isEqual(e.graveyardPosition)||o.containsPosition(e.graveyardPosition);t.howMany>1&&n&&!i.aWasUndone&&r.push(_s._createFromPositionAndShift(e.insertionPosition,1))}return Od(r,n)}),Ad(Ia,La,(t,e,i)=>{const n=_s._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.deletionPosition.hasSameParentAs(t.sourcePosition)&&n.containsPosition(e.sourcePosition))if("remove"!=t.type||i.forceWeakRemove){if(1==t.howMany)return i.bWasUndone?(t.sourcePosition=e.graveyardPosition.clone(),t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]):[new ic(0)]}else if(!i.aWasUndone){const i=[];let n=e.graveyardPosition.clone(),o=e.targetPosition._getTransformedByMergeOperation(e);t.howMany>1&&(i.push(new Ia(t.sourcePosition,t.howMany-1,t.targetPosition,0)),n=n._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1),o=o._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1));const r=e.deletionPosition._getCombined(t.sourcePosition,t.targetPosition),s=new Ia(n,1,r,0),a=s.getMovedRangeStart().path.slice();a.push(0);const c=new ks(s.targetPosition.root,a);o=o._getTransformedByMove(n,r,1);const l=new Ia(o,e.howMany,c,0);return i.push(s),i.push(l),i}const o=_s._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByMergeOperation(e);return t.sourcePosition=o.start,t.howMany=o.end.offset-o.start.offset,t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]}),Ad(Ra,Na,(t,e)=>(t.position=t.position._getTransformedByInsertOperation(e),[t])),Ad(Ra,La,(t,e)=>t.position.isEqual(e.deletionPosition)?(t.position=e.graveyardPosition.clone(),t.position.stickiness="toNext",[t]):(t.position=t.position._getTransformedByMergeOperation(e),[t])),Ad(Ra,Ia,(t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t])),Ad(Ra,Ra,(t,e,i)=>{if(t.position.isEqual(e.position)){if(!i.aIsStrong)return[new ic(0)];t.oldName=e.newName}return[t]}),Ad(Ra,ja,(t,e)=>{if("same"==Mi(t.position.path,e.splitPosition.getParentPath())&&!e.graveyardPosition){const e=new Ra(t.position.getShiftedBy(1),t.oldName,t.newName,0);return[t,e]}return t.position=t.position._getTransformedBySplitOperation(e),[t]}),Ad(Da,Da,(t,e,i)=>{if(t.root===e.root&&t.key===e.key){if(!i.aIsStrong||t.newValue===e.newValue)return[new ic(0)];t.oldValue=e.newValue}return[t]}),Ad(ja,Na,(t,e)=>(t.splitPosition.hasSameParentAs(e.position)&&t.splitPosition.offset<e.position.offset&&(t.howMany+=e.howMany),t.splitPosition=t.splitPosition._getTransformedByInsertOperation(e),t.insertionPosition=ja.getInsertionPosition(t.splitPosition),[t])),Ad(ja,La,(t,e,i)=>{if(!t.graveyardPosition&&!i.bWasUndone&&t.splitPosition.hasSameParentAs(e.sourcePosition)){const i=e.graveyardPosition.path.slice();i.push(0);const n=new ks(e.graveyardPosition.root,i),o=ja.getInsertionPosition(new ks(e.graveyardPosition.root,i)),r=new ja(n,0,null,0);return r.insertionPosition=o,t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e),t.insertionPosition=ja.getInsertionPosition(t.splitPosition),t.graveyardPosition=r.insertionPosition.clone(),t.graveyardPosition.stickiness="toNext",[r,t]}return t.splitPosition.hasSameParentAs(e.deletionPosition)&&!t.splitPosition.isAfter(e.deletionPosition)&&t.howMany--,t.splitPosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e),t.insertionPosition=ja.getInsertionPosition(t.splitPosition),t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]}),Ad(ja,Ia,(t,e,i)=>{const n=_s._createFromPositionAndShift(e.sourcePosition,e.howMany);if(t.graveyardPosition){const o=n.start.isEqual(t.graveyardPosition)||n.containsPosition(t.graveyardPosition);if(!i.bWasUndone&&o){const i=t.splitPosition._getTransformedByMoveOperation(e),n=t.graveyardPosition._getTransformedByMoveOperation(e),o=n.path.slice();o.push(0);const r=new ks(n.root,o);return[new Ia(i,t.howMany,r,0)]}t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)}if(t.splitPosition.hasSameParentAs(e.sourcePosition)&&n.containsPosition(t.splitPosition)){const i=e.howMany-(t.splitPosition.offset-e.sourcePosition.offset);return t.howMany-=i,t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset&&(t.howMany+=e.howMany),t.splitPosition=e.sourcePosition.clone(),t.insertionPosition=ja.getInsertionPosition(t.splitPosition),[t]}return!t.splitPosition.isEqual(e.targetPosition)||"insertAtSource"!=i.baRelation&&"splitBefore"!=i.abRelation?(e.sourcePosition.isEqual(e.targetPosition)||(t.splitPosition.hasSameParentAs(e.sourcePosition)&&t.splitPosition.offset<=e.sourcePosition.offset&&(t.howMany-=e.howMany),t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset&&(t.howMany+=e.howMany)),t.splitPosition.stickiness="toNone",t.splitPosition=t.splitPosition._getTransformedByMoveOperation(e),t.splitPosition.stickiness="toNext",t.graveyardPosition?t.insertionPosition=t.insertionPosition._getTransformedByMoveOperation(e):t.insertionPosition=ja.getInsertionPosition(t.splitPosition),[t]):(t.howMany+=e.howMany,t.splitPosition=t.splitPosition._getTransformedByDeletion(e.sourcePosition,e.howMany),t.insertionPosition=ja.getInsertionPosition(t.splitPosition),[t])}),Ad(ja,ja,(t,e,i)=>{if(t.splitPosition.isEqual(e.splitPosition)){if(!t.graveyardPosition&&!e.graveyardPosition)return[new ic(0)];if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition))return[new ic(0)];if("splitBefore"==i.abRelation)return t.howMany=0,t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e),[t]}if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition)){const n="$graveyard"==t.splitPosition.root.rootName,o="$graveyard"==e.splitPosition.root.rootName,r=n&&!o;if(o&&!n||!r&&i.aIsStrong){const i=[];return e.howMany&&i.push(new Ia(e.moveTargetPosition,e.howMany,e.splitPosition,0)),t.howMany&&i.push(new Ia(t.splitPosition,t.howMany,t.moveTargetPosition,0)),i}return[new ic(0)]}if(t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e)),t.splitPosition.isEqual(e.insertionPosition)&&"splitBefore"==i.abRelation)return t.howMany++,[t];if(e.splitPosition.isEqual(t.insertionPosition)&&"splitBefore"==i.baRelation){const i=e.insertionPosition.path.slice();i.push(0);const n=new ks(e.insertionPosition.root,i);return[t,new Ia(t.insertionPosition,1,n,0)]}return t.splitPosition.hasSameParentAs(e.splitPosition)&&t.splitPosition.offset<e.splitPosition.offset&&(t.howMany-=e.howMany),t.splitPosition=t.splitPosition._getTransformedBySplitOperation(e),t.insertionPosition=ja.getInsertionPosition(t.splitPosition),[t]});class Rd extends Zl{constructor(t){super(t),this._stack=[],this._createdBatches=new WeakSet,this.refresh()}refresh(){this.isEnabled=this._stack.length>0}addBatch(t){const e=this.editor.model.document.selection,i={ranges:e.hasOwnRange?Array.from(e.getRanges()):[],isBackward:e.isBackward};this._stack.push({batch:t,selection:i}),this.refresh()}clearStack(){this._stack=[],this.refresh()}_restoreSelection(t,e,i){const n=this.editor.model,o=n.document,r=[];for(const e of t){const t=Dd(e,i).find(t=>t.start.root!=o.graveyard);t&&r.push(t)}r.length&&n.change(t=>{t.setSelection(r,{backward:e})})}_undo(t,e){const i=this.editor.model,n=i.document;this._createdBatches.add(e);const o=t.operations.slice().filter(t=>t.isDocumentOperation);o.reverse();for(const t of o){const o=t.baseVersion+1,r=Array.from(n.history.getOperations(o)),s=Pd([t.getReversed()],r,{useRelations:!0,document:this.editor.model.document,padWithNoOps:!1,forceWeakRemove:!0}).operationsA;for(const o of s)e.addOperation(o),i.applyOperation(o),n.history.setOperationAsUndone(t,o)}}}function Dd(t,e){const i=t.getTransformedByOperations(e);i.sort((t,e)=>t.start.isBefore(e.start)?-1:1);for(let t=1;t<i.length;t++){const e=i[t-1],n=i[t];e.end.isTouching(n.start)&&(e.end=n.end,i.splice(t,1),t--)}return i}class Ld extends Rd{execute(t=null){const e=t?this._stack.findIndex(e=>e.batch==t):this._stack.length-1,i=this._stack.splice(e,1)[0],n=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(n,()=>{this._undo(i.batch,n);const t=this.editor.model.document.history.getOperations(i.batch.baseVersion);this._restoreSelection(i.selection.ranges,i.selection.isBackward,t),this.fire("revert",i.batch,n)}),this.refresh()}}class jd extends Rd{execute(){const t=this._stack.pop(),e=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(e,()=>{const i=t.batch.operations[t.batch.operations.length-1].baseVersion+1,n=this.editor.model.document.history.getOperations(i);this._restoreSelection(t.selection.ranges,t.selection.isBackward,n),this._undo(t.batch,e)}),this.refresh()}}class Vd extends Yl{static get pluginName(){return"UndoEditing"}constructor(t){super(t),this._batchRegistry=new WeakSet}init(){const t=this.editor;this._undoCommand=new Ld(t),this._redoCommand=new jd(t),t.commands.add("undo",this._undoCommand),t.commands.add("redo",this._redoCommand),this.listenTo(t.model,"applyOperation",(t,e)=>{const i=e[0];if(!i.isDocumentOperation)return;const n=i.batch,o=this._redoCommand._createdBatches.has(n),r=this._undoCommand._createdBatches.has(n);this._batchRegistry.has(n)||"transparent"==n.type&&!o&&!r||(o?this._undoCommand.addBatch(n):r||(this._undoCommand.addBatch(n),this._redoCommand.clearStack()),this._batchRegistry.add(n))},{priority:"highest"}),this.listenTo(this._undoCommand,"revert",(t,e,i)=>{this._redoCommand.addBatch(i)}),t.keystrokes.set("CTRL+Z","undo"),t.keystrokes.set("CTRL+Y","redo"),t.keystrokes.set("CTRL+SHIFT+Z","redo")}}var zd='<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>',Bd='<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 Fd extends Yl{init(){const t=this.editor,e=t.locale,i=t.t,n="ltr"==e.uiLanguageDirection?zd:Bd,o="ltr"==e.uiLanguageDirection?Bd:zd;this._addButton("undo",i("cd"),"CTRL+Z",n),this._addButton("redo",i("ce"),"CTRL+Y",o)}_addButton(t,e,i,n){const o=this.editor;o.ui.componentFactory.add(t,r=>{const s=o.commands.get(t),a=new Ml(r);return a.set({label:e,icon:n,keystroke:i,tooltip:!0}),a.bind("isEnabled").to(s,"isEnabled"),this.listenTo(a,"execute",()=>{o.execute(t),o.editing.view.focus()}),a})}}class Ud extends Yl{static get requires(){return[Vd,Fd]}static get pluginName(){return"Undo"}}class Hd{constructor(t){this.context=t}destroy(){this.stopListening()}static get isContextPlugin(){return!0}}vi(Hd,Un);class qd extends Hd{static get pluginName(){return"PendingActions"}init(){this.set("hasAny",!1),this._actions=new yi({idProperty:"_id"}),this._actions.delegate("add","remove").to(this)}add(t){if("string"!=typeof t)throw new hi.b("pendingactions-add-invalid-message: The message must be a string.",this);const e=Object.create(Un);return e.set("message",t),this._actions.add(e),this.hasAny=!0,e}remove(t){this._actions.remove(t),this.hasAny=!!this._actions.length}get first(){return this._actions.get(0)}[Symbol.iterator](){return this._actions[Symbol.iterator]()}}class Wd{constructor(){const t=new window.FileReader;this._reader=t,this._data=void 0,this.set("loaded",0),t.onprogress=t=>{this.loaded=t.loaded}}get error(){return this._reader.error}get data(){return this._data}read(t){const e=this._reader;return this.total=t.size,new Promise((i,n)=>{e.onload=()=>{const t=e.result;this._data=t,i(t)},e.onerror=()=>{n("error")},e.onabort=()=>{n("aborted")},this._reader.readAsDataURL(t)})}abort(){this._reader.abort()}}vi(Wd,Un);class Yd extends Yl{static get pluginName(){return"FileRepository"}static get requires(){return[qd]}init(){this.loaders=new yi,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",(t,e)=>e?t/e*100:0)}getLoader(t){return this._loadersMap.get(t)||null}createLoader(t){if(!this.createUploadAdapter)return console.warn(Object(hi.a)("filerepository-no-upload-adapter: Upload adapter is not defined.")),null;const e=new $d(Promise.resolve(t),this.createUploadAdapter);return this.loaders.add(e),this._loadersMap.set(t,e),t instanceof Promise&&e.file.then(t=>{this._loadersMap.set(t,e)}).catch(()=>{}),e.on("change:uploaded",()=>{let t=0;for(const e of this.loaders)t+=e.uploaded;this.uploaded=t}),e.on("change:uploadTotal",()=>{let t=0;for(const e of this.loaders)e.uploadTotal&&(t+=e.uploadTotal);this.uploadTotal=t}),e}destroyLoader(t){const e=t instanceof $d?t:this.getLoader(t);e._destroy(),this.loaders.remove(e),this._loadersMap.forEach((t,i)=>{t===e&&this._loadersMap.delete(i)})}_updatePendingAction(){const t=this.editor.plugins.get(qd);if(this.loaders.length){if(!this._pendingAction){const e=this.editor.t,i=t=>`${e("bj")} ${parseInt(t)}%.`;this._pendingAction=t.add(i(this.uploadedPercent)),this._pendingAction.bind("message").to(this,"uploadedPercent",i)}}else t.remove(this._pendingAction),this._pendingAction=null}}vi(Yd,Un);class $d{constructor(t,e){this.id=li(),this._filePromiseWrapper=this._createFilePromiseWrapper(t),this._adapter=e(this),this._reader=new Wd,this.set("status","idle"),this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",(t,e)=>e?t/e*100:0),this.set("uploadResponse",null)}get file(){return this._filePromiseWrapper?this._filePromiseWrapper.promise.then(t=>this._filePromiseWrapper?t:null):Promise.resolve(null)}get data(){return this._reader.data}read(){if("idle"!=this.status)throw new hi.b("filerepository-read-wrong-status: You cannot call read if the status is different than idle.",this);return this.status="reading",this.file.then(t=>this._reader.read(t)).then(t=>(this.status="idle",t)).catch(t=>{if("aborted"===t)throw this.status="aborted","aborted";throw this.status="error",this._reader.error?this._reader.error:t})}upload(){if("idle"!=this.status)throw new hi.b("filerepository-upload-wrong-status: You cannot call upload if the status is different than idle.",this);return this.status="uploading",this.file.then(()=>this._adapter.upload()).then(t=>(this.uploadResponse=t,this.status="idle",t)).catch(t=>{if("aborted"===this.status)throw"aborted";throw this.status="error",t})}abort(){const t=this.status;this.status="aborted",this._filePromiseWrapper.isFulfilled?"reading"==t?this._reader.abort():"uploading"==t&&this._adapter.abort&&this._adapter.abort():(this._filePromiseWrapper.promise.catch(()=>{}),this._filePromiseWrapper.rejecter("aborted")),this._destroy()}_destroy(){this._filePromiseWrapper=void 0,this._reader=void 0,this._adapter=void 0,this.uploadResponse=void 0}_createFilePromiseWrapper(t){const e={};return e.promise=new Promise((i,n)=>{e.rejecter=n,e.isFulfilled=!1,t.then(t=>{e.isFulfilled=!0,i(t)}).catch(t=>{e.isFulfilled=!0,n(t)})}),e}}vi($d,Un);function Gd(){let t=function(t){t=t.toLowerCase();const e=document.cookie.split(";");for(const i of e){const e=i.split("=");if(decodeURIComponent(e[0].trim().toLowerCase())===t)return decodeURIComponent(e[1])}return null}("ckCsrfToken");var e,i;return t&&40==t.length||(t=function(t){let e="";const i=new Uint8Array(t);window.crypto.getRandomValues(i);for(let t=0;t<i.length;t++){const n="abcdefghijklmnopqrstuvwxyz0123456789".charAt(i[t]%"abcdefghijklmnopqrstuvwxyz0123456789".length);e+=Math.random()>.5?n.toUpperCase():n}return e}(40),e="ckCsrfToken",i=t,document.cookie=encodeURIComponent(e)+"="+encodeURIComponent(i)+";path=/"),t}class Qd extends Yl{static get requires(){return[Yd]}static get pluginName(){return"CKFinderUploadAdapter"}init(){const t=this.editor.config.get("ckfinder.uploadUrl");t&&(this.editor.plugins.get(Yd).createUploadAdapter=e=>new Kd(e,t,this.editor.t))}}class Kd{constructor(t,e,i){this.loader=t,this.url=e,this.t=i}upload(){return this.loader.file.then(t=>new Promise((e,i)=>{this._initRequest(),this._initListeners(e,i,t),this._sendRequest(t)}))}abort(){this.xhr&&this.xhr.abort()}_initRequest(){const t=this.xhr=new XMLHttpRequest;t.open("POST",this.url,!0),t.responseType="json"}_initListeners(t,e,i){const n=this.xhr,o=this.loader,r=(0,this.t)("a")+` ${i.name}.`;n.addEventListener("error",()=>e(r)),n.addEventListener("abort",()=>e()),n.addEventListener("load",()=>{const i=n.response;if(!i||!i.uploaded)return e(i&&i.error&&i.error.message?i.error.message:r);t({default:i.url})}),n.upload&&n.upload.addEventListener("progress",t=>{t.lengthComputable&&(o.uploadTotal=t.total,o.uploaded=t.loaded)})}_sendRequest(t){const e=new FormData;e.append("upload",t),e.append("ckCsrfToken",Gd()),this.xhr.send(e)}}class Jd{static get pluginName(){return"BlockAutoformatEditing"}constructor(t,e,i){let n,o=null;"function"==typeof i?n=i:(o=t.commands.get(i),n=()=>{t.execute(i)}),t.model.document.on("change",(i,r)=>{if(o&&!o.isEnabled)return;if("transparent"==r.type)return;const s=Array.from(t.model.document.differ.getChanges()),a=s[0];if(1!=s.length||"insert"!==a.type||"$text"!=a.name||1!=a.length)return;const c=a.position.parent;if(!c.is("paragraph")||1!==c.childCount)return;const l=e.exec(c.getChild(0).data);l&&t.model.enqueueChange(t=>{const e=t.createPositionAt(c,0),i=t.createPositionAt(c,l[0].length),o=new Is(e,i);!1!==n({match:l})&&t.remove(o),o.detach()})})}}function Zd(t,e){let i=t.start;return{text:Array.from(t.getItems()).reduce((t,n)=>n.is("text")||n.is("textProxy")?t+n.data:(i=e.createPositionAfter(n),""),""),range:e.createRange(i,t.end)}}class Xd{static get pluginName(){return"InlineAutoformatEditing"}constructor(t,e,i){let n,o,r,s;e instanceof RegExp?n=e:r=e,"string"==typeof i?o=i:s=i,r=r||(t=>{let e;const i=[],o=[];for(;null!==(e=n.exec(t))&&!(e&&e.length<4);){let{index:t,1:n,2:r,3:s}=e;const a=n+r+s;t+=e[0].length-a.length;const c=[t,t+n.length],l=[t+n.length+r.length,t+n.length+r.length+s.length];i.push(c),i.push(l),o.push([t+n.length,t+n.length+r.length])}return{remove:i,format:o}}),s=s||((e,i)=>{const n=t.model.schema.getValidRanges(i,o);for(const t of n)e.setAttribute(o,!0,t);e.removeSelectionAttribute(o)}),t.model.document.on("change",(e,i)=>{if("transparent"==i.type)return;const n=t.model,o=n.document.selection;if(!o.isCollapsed)return;const a=Array.from(n.document.differ.getChanges()),c=a[0];if(1!=a.length||"insert"!==c.type||"$text"!=c.name||1!=c.length)return;const l=o.focus,d=l.parent,{text:h,range:u}=Zd(n.createRange(n.createPositionAt(d,0),l),n),f=r(h),m=th(u.start,f.format,n),g=th(u.start,f.remove,n);m.length&&g.length&&n.enqueueChange(t=>{if(!1!==s(t,m))for(const e of g.reverse())t.remove(e)})})}}function th(t,e,i){return e.filter(t=>void 0!==t[0]&&void 0!==t[1]).map(e=>i.createRange(t.getShiftedBy(e[0]),t.getShiftedBy(e[1])))}function eh(t,e){return(i,n)=>{if(!t.commands.get(e).isEnabled)return!1;const o=t.model.schema.getValidRanges(n,e);for(const t of o)i.setAttribute(e,!0,t);i.removeSelectionAttribute(e)}}class ih extends Zl{constructor(t,e){super(t),this.attributeKey=e}refresh(){const t=this.editor.model,e=t.document;this.value=this._getValueFromFirstAllowedNode(),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model,i=e.document.selection,n=void 0===t.forceValue?!this.value:t.forceValue;e.change(t=>{if(i.isCollapsed)n?t.setSelectionAttribute(this.attributeKey,!0):t.removeSelectionAttribute(this.attributeKey);else{const o=e.schema.getValidRanges(i.getRanges(),this.attributeKey);for(const e of o)n?t.setAttribute(this.attributeKey,n,e):t.removeAttribute(this.attributeKey,e)}})}_getValueFromFirstAllowedNode(){const t=this.editor.model,e=t.schema,i=t.document.selection;if(i.isCollapsed)return i.hasAttribute(this.attributeKey);for(const t of i.getRanges())for(const i of t.getItems())if(e.checkAttribute(i,this.attributeKey))return i.hasAttribute(this.attributeKey);return!1}}class nh extends Yl{static get pluginName(){return"BoldEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"bold"}),t.model.schema.setAttributeProperties("bold",{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:"bold",view:"strong",upcastAlso:["b",t=>{const e=t.getStyle("font-weight");return e?"bold"==e||Number(e)>=600?{name:!0,styles:["font-weight"]}:void 0:null}]}),t.commands.add("bold",new ih(t,"bold")),t.keystrokes.set("CTRL+B","bold")}}class oh extends Yl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("bold",i=>{const n=t.commands.get("bold"),o=new Ml(i);return o.set({label:e("s"),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(n,"value","isEnabled"),this.listenTo(o,"execute",()=>{t.execute("bold"),t.editing.view.focus()}),o})}}class rh extends Yl{static get pluginName(){return"ItalicEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"italic"}),t.model.schema.setAttributeProperties("italic",{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:"italic",view:"i",upcastAlso:["em",{styles:{"font-style":"italic"}}]}),t.commands.add("italic",new ih(t,"italic")),t.keystrokes.set("CTRL+I","italic")}}class sh extends Yl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("italic",i=>{const n=t.commands.get("italic"),o=new Ml(i);return o.set({label:e("t"),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(n,"value","isEnabled"),this.listenTo(o,"execute",()=>{t.execute("italic"),t.editing.view.focus()}),o})}}function ah(t){const e=t.next();return e.done?null:e.value}class ch extends Zl{refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(t={}){const e=this.editor.model,i=e.schema,n=e.document.selection,o=Array.from(n.getSelectedBlocks()),r=void 0===t.forceValue?!this.value:t.forceValue;e.change(t=>{if(r){const e=o.filter(t=>lh(t)||hh(i,t));this._applyQuote(t,e)}else this._removeQuote(t,o.filter(lh))})}_getValue(){const t=ah(this.editor.model.document.selection.getSelectedBlocks());return!(!t||!lh(t))}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,i=ah(t.getSelectedBlocks());return!!i&&hh(e,i)}_removeQuote(t,e){dh(t,e).reverse().forEach(e=>{if(e.start.isAtStart&&e.end.isAtEnd)return void t.unwrap(e.start.parent);if(e.start.isAtStart){const i=t.createPositionBefore(e.start.parent);return void t.move(e,i)}e.end.isAtEnd||t.split(e.end);const i=t.createPositionAfter(e.end.parent);t.move(e,i)})}_applyQuote(t,e){const i=[];dh(t,e).reverse().forEach(e=>{let n=lh(e.start);n||(n=t.createElement("blockQuote"),t.wrap(e,n)),i.push(n)}),i.reverse().reduce((e,i)=>e.nextSibling==i?(t.merge(t.createPositionAfter(e)),e):i)}}function lh(t){return"blockQuote"==t.parent.name?t.parent:null}function dh(t,e){let i,n=0;const o=[];for(;n<e.length;){const r=e[n],s=e[n+1];i||(i=t.createPositionBefore(r)),s&&r.nextSibling==s||(o.push(t.createRange(i,t.createPositionAfter(r))),i=null),n++}return o}function hh(t,e){const i=t.checkChild(e.parent,"blockQuote"),n=t.checkChild(["$root","blockQuote"],e);return i&&n}class uh extends Yl{static get pluginName(){return"BlockQuoteEditing"}init(){const t=this.editor,e=t.model.schema;t.commands.add("blockQuote",new ch(t)),e.register("blockQuote",{allowWhere:"$block",allowContentOf:"$root"}),e.addChildCheck((t,e)=>{if(t.endsWith("blockQuote")&&"blockQuote"==e.name)return!1}),t.conversion.elementToElement({model:"blockQuote",view:"blockquote"}),t.model.document.registerPostFixer(i=>{const n=t.model.document.differ.getChanges();for(const t of n)if("insert"==t.type){const n=t.position.nodeAfter;if(!n)continue;if(n.is("blockQuote")&&n.isEmpty)return i.remove(n),!0;if(n.is("blockQuote")&&!e.checkChild(t.position,n))return i.unwrap(n),!0;if(n.is("element")){const t=i.createRangeIn(n);for(const n of t.getItems())if(n.is("blockQuote")&&!e.checkChild(i.createPositionBefore(n),n))return i.unwrap(n),!0}}else if("remove"==t.type){const e=t.position.parent;if(e.is("blockQuote")&&e.isEmpty)return i.remove(e),!0}return!1})}afterInit(){const t=this.editor.commands.get("blockQuote");this.listenTo(this.editor.editing.view.document,"enter",(e,i)=>{const n=this.editor.model.document,o=n.selection.getLastPosition().parent;n.selection.isCollapsed&&o.isEmpty&&t.value&&(this.editor.execute("blockQuote"),this.editor.editing.view.scrollToTheSelection(),i.preventDefault(),e.stop())})}}i(43);class fh extends Yl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("blockQuote",i=>{const n=t.commands.get("blockQuote"),o=new Ml(i);return o.set({label:e("v"),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(n,"value","isEnabled"),this.listenTo(o,"execute",()=>{t.execute("blockQuote"),t.editing.view.focus()}),o})}}class mh extends Yl{static get pluginName(){return"CKFinderUI"}init(){const t=this.editor,e=t.ui.componentFactory,i=t.t;e.add("ckfinder",e=>{const n=t.commands.get("ckfinder"),o=new Ml(e);return o.set({label:i("u"),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(n),o.on("execute",()=>{t.execute("ckfinder"),t.editing.view.focus()}),o})}}class gh extends hr{observe(t){this.listenTo(t,"load",(t,e)=>{"IMG"==e.target.tagName&&this._fireEvents(e)},{useCapture:!0})}_fireEvents(t){this.isEnabled&&(this.document.fire("layoutChanged"),this.document.fire("imageLoaded",t))}}class ph{constructor(){this._stack=[]}add(t,e){const i=this._stack,n=i[0];this._insertDescriptor(t);const o=i[0];n===o||bh(n,o)||this.fire("change:top",{oldDescriptor:n,newDescriptor:o,writer:e})}remove(t,e){const i=this._stack,n=i[0];this._removeDescriptor(t);const o=i[0];n===o||bh(n,o)||this.fire("change:top",{oldDescriptor:n,newDescriptor:o,writer:e})}_insertDescriptor(t){const e=this._stack,i=e.findIndex(e=>e.id===t.id);if(bh(t,e[i]))return;i>-1&&e.splice(i,1);let n=0;for(;e[n]&&wh(e[n],t);)n++;e.splice(n,0,t)}_removeDescriptor(t){const e=this._stack,i=e.findIndex(e=>e.id===t);i>-1&&e.splice(i,1)}}function bh(t,e){return t&&e&&t.priority==e.priority&&kh(t.classes)==kh(e.classes)}function wh(t,e){return t.priority>e.priority||!(t.priority<e.priority)&&kh(t.classes)>kh(e.classes)}function kh(t){return Array.isArray(t)?t.sort().join(","):t}vi(ph,mi);function _h(t){return!!t.is("element")&&!!t.getCustomProperty("widget")}function vh(t,e,i={}){return uo.isEdge||e.setAttribute("contenteditable","false",t),e.addClass("ck-widget",t),e.setCustomProperty("widget",!0,t),t.getFillerOffset=Th,i.label&&function(t,e,i){i.setCustomProperty("widgetLabel",e,t)}(t,i.label,e),i.hasSelectionHandle&&function(t,e){const i=e.createUIElement("div",{class:"ck ck-widget__selection-handle"},(function(t){const e=this.toDomElement(t),i=new Pl;return i.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>'),i.render(),e.appendChild(i.element),e}));e.insert(e.createPositionAt(t,0),i),e.addClass(["ck-widget_with-selection-handle"],t)}(t,e),function(t,e,i,n){const o=new ph;o.on("change:top",(e,o)=>{o.oldDescriptor&&n(t,o.oldDescriptor,o.writer),o.newDescriptor&&i(t,o.newDescriptor,o.writer)}),e.setCustomProperty("addHighlight",(t,e,i)=>o.add(e,i),t),e.setCustomProperty("removeHighlight",(t,e,i)=>o.remove(e,i),t)}(t,e,(t,e,i)=>i.addClass(n(e.classes),t),(t,e,i)=>i.removeClass(n(e.classes),t)),t;function n(t){return Array.isArray(t)?t:[t]}}function yh(t){const e=t.getCustomProperty("widgetLabel");return e?"function"==typeof e?e():e:""}function xh(t,e){return e.addClass(["ck-editor__editable","ck-editor__nested-editable"],t),uo.isEdge||(e.setAttribute("contenteditable",t.isReadOnly?"false":"true",t),t.on("change:isReadOnly",(i,n,o)=>{e.setAttribute("contenteditable",o?"false":"true",t)})),t.on("change:isFocused",(i,n,o)=>{o?e.addClass("ck-editor__nested-editable_focused",t):e.removeClass("ck-editor__nested-editable_focused",t)}),t}function Ah(t,e){const i=t.getSelectedElement();if(i&&e.schema.isBlock(i))return e.createPositionAfter(i);const n=t.getSelectedBlocks().next().value;if(n){if(n.isEmpty)return e.createPositionAt(n,0);const i=e.createPositionAfter(n);return t.focus.isTouching(i)?i:e.createPositionBefore(n)}return t.focus}function Th(){return null}function Ch(t){const e=t.getSelectedElement();return e&&function(t){return!!t.getCustomProperty("image")&&_h(t)}(e)?e:null}function Ph(t){return!!t&&t.is("image")}function Sh(t,e,i={}){const n=t.createElement("image",i),o=Ah(e.document.selection,e);e.insertContent(n,o),n.parent&&t.setSelection(n,"on")}function Mh(t){const e=t.schema,i=t.document.selection;return function(t,e,i){const n=function(t,e){const i=Ah(t,e).parent;if(i.isEmpty&&!i.is("$root"))return i.parent;return i}(t,i);return e.checkChild(n,"image")}(i,e,t)&&!function(t,e){const i=t.getSelectedElement();return i&&e.isObject(i)}(i,e)&&function(t){return[...t.focus.getAncestors()].every(t=>!t.is("image"))}(i)}function Eh(t){return Array.from(t.getChildren()).find(t=>t.is("img"))}function Ih(t){return i=>{i.on(`attribute:${t}:image`,e)};function e(t,e,i){if(!i.consumable.consume(e.item,t.name))return;const n=i.writer,o=Eh(i.mapper.toViewElement(e.item));null!==e.attributeNewValue?n.setAttribute(e.attributeKey,e.attributeNewValue,o):n.removeAttribute(e.attributeKey,o)}}class Nh extends Zl{refresh(){this.isEnabled=Mh(this.editor.model)}execute(t){const e=this.editor.model;e.change(i=>{const n=Array.isArray(t.source)?t.source:[t.source];for(const t of n)Sh(i,e,{src:t})})}}class Oh extends Yl{static get pluginName(){return"ImageEditing"}init(){const t=this.editor,e=t.model.schema,i=t.t,n=t.conversion;t.editing.view.addObserver(gh),e.register("image",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["alt","src","srcset"]}),n.for("dataDowncast").elementToElement({model:"image",view:(t,e)=>Rh(e)}),n.for("editingDowncast").elementToElement({model:"image",view:(t,e)=>{return n=Rh(e),o=e,r=i("z"),o.setCustomProperty("image",!0,n),vh(n,o,{label:function(){const t=Eh(n).getAttribute("alt");return t?`${t} ${r}`:r}});var n,o,r}}),n.for("downcast").add(Ih("src")).add(Ih("alt")).add(function(){return e=>{e.on("attribute:srcset:image",t)};function t(t,e,i){if(!i.consumable.consume(e.item,t.name))return;const n=i.writer,o=Eh(i.mapper.toViewElement(e.item));if(null===e.attributeNewValue){const t=e.attributeOldValue;t.data&&(n.removeAttribute("srcset",o),n.removeAttribute("sizes",o),t.width&&n.removeAttribute("width",o))}else{const t=e.attributeNewValue;t.data&&(n.setAttribute("srcset",t.data,o),n.setAttribute("sizes","100vw",o),t.width&&n.setAttribute("width",t.width,o))}}}()),n.for("upcast").elementToElement({view:{name:"img",attributes:{src:!0}},model:(t,e)=>e.createElement("image",{src:t.getAttribute("src")})}).attributeToAttribute({view:{name:"img",key:"alt"},model:"alt"}).attributeToAttribute({view:{name:"img",key:"srcset"},model:{key:"srcset",value:t=>{const e={data:t.getAttribute("srcset")};return t.hasAttribute("width")&&(e.width=t.getAttribute("width")),e}}}).add(function(){return e=>{e.on("element:figure",t)};function t(t,e,i){if(!i.consumable.test(e.viewItem,{name:!0,classes:"image"}))return;const n=Eh(e.viewItem);if(!n||!n.hasAttribute("src")||!i.consumable.test(n,{name:!0}))return;const o=i.convertItem(n,e.modelCursor),r=ah(o.modelRange.getItems());r&&(i.convertChildren(e.viewItem,i.writer.createPositionAt(r,0)),e.modelRange=o.modelRange,e.modelCursor=o.modelCursor)}}()),t.commands.add("imageInsert",new Nh(t))}}function Rh(t){const e=t.createEmptyElement("img"),i=t.createContainerElement("figure",{class:"image"});return t.insert(t.createPositionAt(i,0),e),i}function Dh(t,e,i){return i.createRange(Lh(t,e,!0,i),Lh(t,e,!1,i))}function Lh(t,e,i,n){let o=t.textNode||(i?t.nodeBefore:t.nodeAfter),r=null;for(;o&&o.getAttribute("linkHref")==e;)r=o,o=i?o.previousSibling:o.nextSibling;return r?n.createPositionAt(r,i?"before":"after"):t}class jh extends Zl{constructor(t){super(t),this.manualDecorators=new yi}restoreManualDecoratorStates(){for(const t of this.manualDecorators)t.value=this._getDecoratorStateFromModel(t.id)}refresh(){const t=this.editor.model,e=t.document;this.value=e.selection.getAttribute("linkHref");for(const t of this.manualDecorators)t.value=this._getDecoratorStateFromModel(t.id);this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"linkHref")}execute(t,e={}){const i=this.editor.model,n=i.document.selection,o=[],r=[];for(const t in e)e[t]?o.push(t):r.push(t);i.change(e=>{if(n.isCollapsed){const s=n.getFirstPosition();if(n.hasAttribute("linkHref")){const a=Dh(s,n.getAttribute("linkHref"),i);e.setAttribute("linkHref",t,a),o.forEach(t=>{e.setAttribute(t,!0,a)}),r.forEach(t=>{e.removeAttribute(t,a)}),e.setSelection(a)}else if(""!==t){const r=Di(n.getAttributes());r.set("linkHref",t),o.forEach(t=>{r.set(t,!0)});const a=e.createText(t,r);i.insertContent(a,s),e.setSelection(e.createRangeOn(a))}}else{const s=i.schema.getValidRanges(n.getRanges(),"linkHref");for(const i of s)e.setAttribute("linkHref",t,i),o.forEach(t=>{e.setAttribute(t,!0,i)}),r.forEach(t=>{e.removeAttribute(t,i)})}})}_getDecoratorStateFromModel(t){return this.editor.model.document.selection.getAttribute(t)||!1}}class Vh extends Zl{refresh(){this.isEnabled=this.editor.model.document.selection.hasAttribute("linkHref")}execute(){const t=this.editor,e=this.editor.model,i=e.document.selection,n=t.commands.get("link");e.change(t=>{const o=i.isCollapsed?[Dh(i.getFirstPosition(),i.getAttribute("linkHref"),e)]:i.getRanges();for(const e of o)if(t.removeAttribute("linkHref",e),n)for(const i of n.manualDecorators)t.removeAttribute(i.id,e)})}}var zh=function(t,e,i){var n=t.length;return i=void 0===i?n:i,!e&&i>=n?t:nn(t,e,i)},Bh=RegExp("[\\u200d\\ud800-\\udfff\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff\\ufe0e\\ufe0f]");var Fh=function(t){return Bh.test(t)};var Uh=function(t){return t.split("")},Hh="[\\ud800-\\udfff]",qh="[\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff]",Wh="\\ud83c[\\udffb-\\udfff]",Yh="[^\\ud800-\\udfff]",$h="(?:\\ud83c[\\udde6-\\uddff]){2}",Gh="[\\ud800-\\udbff][\\udc00-\\udfff]",Qh="(?:"+qh+"|"+Wh+")"+"?",Kh="[\\ufe0e\\ufe0f]?"+Qh+("(?:\\u200d(?:"+[Yh,$h,Gh].join("|")+")[\\ufe0e\\ufe0f]?"+Qh+")*"),Jh="(?:"+[Yh+qh+"?",qh,$h,Gh,Hh].join("|")+")",Zh=RegExp(Wh+"(?="+Wh+")|"+Jh+Kh,"g");var Xh=function(t){return t.match(Zh)||[]};var tu=function(t){return Fh(t)?Xh(t):Uh(t)};var eu=function(t){return function(e){e=Ji(e);var i=Fh(e)?tu(e):void 0,n=i?i[0]:e.charAt(0),o=i?zh(i,1).join(""):e.slice(1);return n[t]()+o}}("toUpperCase");const iu=/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g,nu=/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i;function ou(t,e){const i=e.createAttributeElement("a",{href:t},{priority:5});return e.setCustomProperty("link",!0,i),i}function ru(t){return function(t){return t.replace(iu,"").match(nu)}(t=String(t))?t:"#"}class su{constructor(){this._definitions=new Set}get length(){return this._definitions.size}add(t){Array.isArray(t)?t.forEach(t=>this._definitions.add(t)):this._definitions.add(t)}getDispatcher(){return t=>{t.on("attribute:linkHref",(t,e,i)=>{if(!i.consumable.test(e.item,"attribute:linkHref"))return;const n=i.writer,o=n.document.selection;for(const t of this._definitions){const r=n.createAttributeElement("a",t.attributes,{priority:5});n.setCustomProperty("link",!0,r),t.callback(e.attributeNewValue)?e.item.is("selection")?n.wrap(o.getFirstRange(),r):n.wrap(i.mapper.toViewRange(e.range),r):n.unwrap(i.mapper.toViewRange(e.range),r)}},{priority:"high"})}}}class au{constructor({id:t,label:e,attributes:i}){this.id=t,this.set("value"),this.label=e,this.attributes=i}}vi(au,Un);class cu{constructor(t,e,i){this.model=t,this.attribute=i,this._modelSelection=t.document.selection,this._overrideUid=null,this._isNextGravityRestorationSkipped=!1,e.listenTo(this._modelSelection,"change:range",(t,e)=>{this._isNextGravityRestorationSkipped?this._isNextGravityRestorationSkipped=!1:this._isGravityOverridden&&(!e.directChange&&lu(this._modelSelection.getFirstPosition(),i)||this._restoreGravity())})}handleForwardMovement(t,e){const i=this.attribute;if(!(this._isGravityOverridden||t.isAtStart&&this._hasSelectionAttribute))return uu(t,i)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._removeSelectionAttribute(),!0):du(t,i)||hu(t,i)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._overrideGravity(),!0):void 0}handleBackwardMovement(t,e){const i=this.attribute;return this._isGravityOverridden?uu(t,i)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._restoreGravity(),this._removeSelectionAttribute(),!0):(this._preventCaretMovement(e),this._restoreGravity(),t.isAtStart&&this._removeSelectionAttribute(),!0):uu(t,i)&&!this._hasSelectionAttribute?(this._preventCaretMovement(e),this._setSelectionAttributeFromTheNodeBefore(t),!0):t.isAtEnd&&hu(t,i)?this._hasSelectionAttribute?void(fu(t,i)&&(this._skipNextAutomaticGravityRestoration(),this._overrideGravity())):(this._preventCaretMovement(e),this._setSelectionAttributeFromTheNodeBefore(t),!0):t.isAtStart?this._hasSelectionAttribute?(this._removeSelectionAttribute(),this._preventCaretMovement(e),!0):void 0:void(fu(t,i)&&(this._skipNextAutomaticGravityRestoration(),this._overrideGravity()))}get _isGravityOverridden(){return!!this._overrideUid}get _hasSelectionAttribute(){return this._modelSelection.hasAttribute(this.attribute)}_overrideGravity(){this._overrideUid=this.model.change(t=>t.overrideSelectionGravity())}_restoreGravity(){this.model.change(t=>{t.restoreSelectionGravity(this._overrideUid),this._overrideUid=null})}_preventCaretMovement(t){t.preventDefault()}_removeSelectionAttribute(){this.model.change(t=>{t.removeSelectionAttribute(this.attribute)})}_setSelectionAttributeFromTheNodeBefore(t){const e=this.attribute;this.model.change(i=>{i.setSelectionAttribute(this.attribute,t.nodeBefore.getAttribute(e))})}_skipNextAutomaticGravityRestoration(){this._isNextGravityRestorationSkipped=!0}}function lu(t,e){return du(t,e)||hu(t,e)}function du(t,e){const{nodeBefore:i,nodeAfter:n}=t,o=!!i&&i.hasAttribute(e);return!!n&&n.hasAttribute(e)&&(!o||i.getAttribute(e)!==n.getAttribute(e))}function hu(t,e){const{nodeBefore:i,nodeAfter:n}=t,o=!!i&&i.hasAttribute(e),r=!!n&&n.hasAttribute(e);return o&&(!r||i.getAttribute(e)!==n.getAttribute(e))}function uu(t,e){const{nodeBefore:i,nodeAfter:n}=t,o=!!i&&i.hasAttribute(e);if(!!n&&n.hasAttribute(e)&&o)return n.getAttribute(e)!==i.getAttribute(e)}function fu(t,e){return lu(t.getShiftedBy(-1),e)}i(45);const mu=/^(https?:)?\/\//;class gu extends Yl{static get pluginName(){return"LinkEditing"}constructor(t){super(t),t.config.define("link",{addTargetToExternalLinks:!1})}init(){const t=this.editor,e=t.locale;t.model.schema.extend("$text",{allowAttributes:"linkHref"}),t.conversion.for("dataDowncast").attributeToElement({model:"linkHref",view:ou}),t.conversion.for("editingDowncast").attributeToElement({model:"linkHref",view:(t,e)=>ou(ru(t),e)}),t.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:{href:!0}},model:{key:"linkHref",value:t=>t.getAttribute("href")}}),t.commands.add("link",new jh(t)),t.commands.add("unlink",new Vh(t));const i=function(t,e){const i={"Open in a new tab":t("cf"),Downloadable:t("cg")};return e.forEach(t=>(t.label&&i[t.label]&&(t.label=i[t.label]),t)),e}(t.t,function(t){const e=[];if(t)for(const[i,n]of Object.entries(t)){const t=Object.assign({},n,{id:"link"+eu(i)});e.push(t)}return e}(t.config.get("link.decorators")));this._enableAutomaticDecorators(i.filter(t=>"automatic"===t.mode)),this._enableManualDecorators(i.filter(t=>"manual"===t.mode)),function({view:t,model:e,emitter:i,attribute:n,locale:o}){const r=new cu(e,i,n),s=e.document.selection;i.listenTo(t.document,"keydown",(t,e)=>{if(!s.isCollapsed)return;if(e.shiftKey||e.altKey||e.ctrlKey)return;const i=e.keyCode==go.arrowright,n=e.keyCode==go.arrowleft;if(!i&&!n)return;const a=s.getFirstPosition(),c=o.contentLanguageDirection;let l;l="ltr"===c&&i||"rtl"===c&&n?r.handleForwardMovement(a,e):r.handleBackwardMovement(a,e),l&&t.stop()},{priority:di.get("high")+1})}({view:t.editing.view,model:t.model,emitter:this,attribute:"linkHref",locale:e}),this._setupLinkHighlight()}_enableAutomaticDecorators(t){const e=this.editor,i=new su;e.config.get("link.addTargetToExternalLinks")&&i.add({id:"linkIsExternal",mode:"automatic",callback:t=>mu.test(t),attributes:{target:"_blank",rel:"noopener noreferrer"}}),i.add(t),i.length&&e.conversion.for("downcast").add(i.getDispatcher())}_enableManualDecorators(t){if(!t.length)return;const e=this.editor,i=e.commands.get("link").manualDecorators;t.forEach(t=>{e.model.schema.extend("$text",{allowAttributes:t.id}),i.add(new au(t)),e.conversion.for("downcast").attributeToElement({model:t.id,view:(e,n)=>{if(e){const e=i.get(t.id).attributes,o=n.createAttributeElement("a",e,{priority:5});return n.setCustomProperty("link",!0,o),o}}}),e.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:i.get(t.id).attributes},model:{key:t.id}})})}_setupLinkHighlight(){const t=this.editor,e=t.editing.view,i=new Set;e.document.registerPostFixer(e=>{const n=t.model.document.selection;let o=!1;if(n.hasAttribute("linkHref")){const r=Dh(n.getFirstPosition(),n.getAttribute("linkHref"),t.model),s=t.editing.mapper.toViewRange(r);for(const t of s.getItems())t.is("a")&&!t.hasClass("ck-link_selected")&&(e.addClass("ck-link_selected",t),i.add(t),o=!0)}return o}),t.conversion.for("editingDowncast").add(t=>{function n(){e.change(t=>{for(const e of i.values())t.removeClass("ck-link_selected",e),i.delete(e)})}t.on("insert",n,{priority:"highest"}),t.on("remove",n,{priority:"highest"}),t.on("attribute",n,{priority:"highest"}),t.on("selection",n,{priority:"highest"})})}}class pu extends Hd{static get pluginName(){return"Notification"}init(){this.on("show:warning",(t,e)=>{window.alert(e.message)},{priority:"lowest"})}showSuccess(t,e={}){this._showNotification({message:t,type:"success",namespace:e.namespace,title:e.title})}showInfo(t,e={}){this._showNotification({message:t,type:"info",namespace:e.namespace,title:e.title})}showWarning(t,e={}){this._showNotification({message:t,type:"warning",namespace:e.namespace,title:e.title})}_showNotification(t){const e="show:"+t.type+(t.namespace?":"+t.namespace:"");this.fire(e,{message:t.message,type:t.type,title:t.title||""})}}class bu extends Zl{constructor(t){super(t),this.stopListening(this.editor.model.document,"change"),this.listenTo(this.editor.model.document,"change",()=>this.refresh(),{priority:"low"})}refresh(){const t=this.editor.commands.get("imageInsert"),e=this.editor.commands.get("link");this.isEnabled=t.isEnabled||e.isEnabled}execute(){const t=this.editor,e=this.editor.config.get("ckfinder.openerMethod")||"modal";if("popup"!=e&&"modal"!=e)throw new hi.b('ckfinder-unknown-openerMethod: The openerMethod config option must by "popup" or "modal".',t);const i=this.editor.config.get("ckfinder.options")||{};i.chooseFiles=!0;const n=i.onInit;i.language||(i.language=t.locale.uiLanguage),i.onInit=e=>{n&&n(e),e.on("files:choose",i=>{const n=i.data.files.toArray(),o=n.filter(t=>!t.isImage()),r=n.filter(t=>t.isImage());for(const e of o)t.execute("link",e.getUrl());const s=[];for(const t of r){const i=t.getUrl();s.push(i||e.request("file:getProxyUrl",{file:t}))}s.length&&wu(t,s)}),e.on("file:choose:resizedImage",e=>{const i=e.data.resizedUrl;if(i)wu(t,[i]);else{const e=t.plugins.get("Notification"),i=t.locale.t;e.showWarning(i("bl"),{title:i("bm"),namespace:"ckfinder"})}})},window.CKFinder[e](i)}}function wu(t,e){if(t.commands.get("imageInsert").isEnabled)t.execute("imageInsert",{source:e});else{const e=t.plugins.get("Notification"),i=t.locale.t;e.showWarning(i("bn"),{title:i("bo"),namespace:"ckfinder"})}}class ku extends Yl{static get pluginName(){return"CKFinderEditing"}static get requires(){return[pu,Oh,gu]}init(){const t=this.editor;t.commands.add("ckfinder",new bu(t))}}const _u=/^data:(\S*?);base64,/;class vu{constructor(t,e,i){if(!t)throw new hi.b("fileuploader-missing-file: File must be provided as the first argument",null);if(!e)throw new hi.b("fileuploader-missing-token: Token must be provided as the second argument.",null);if(!i)throw new hi.b("fileuploader-missing-api-address: Api address must be provided as the third argument.",null);this.file=function(t){if("string"!=typeof t)return!1;const e=t.match(_u);return!(!e||!e.length)}(t)?function(t,e=512){try{const i=t.match(_u)[1],n=atob(t.replace(_u,"")),o=[];for(let t=0;t<n.length;t+=e){const i=n.slice(t,t+e),r=new Array(i.length);for(let t=0;t<i.length;t++)r[t]=i.charCodeAt(t);o.push(new Uint8Array(r))}return new Blob(o,{type:i})}catch(t){throw new hi.b("fileuploader-decoding-image-data-error: Problem with decoding Base64 image data.",null)}}(t):t,this._token=e,this._apiAddress=i}onProgress(t){return this.on("progress",(e,i)=>t(i)),this}onError(t){return this.once("error",(e,i)=>t(i)),this}abort(){this.xhr.abort()}send(){return this._prepareRequest(),this._attachXHRListeners(),this._sendRequest()}_prepareRequest(){const t=new XMLHttpRequest;t.open("POST",this._apiAddress),t.setRequestHeader("Authorization",this._token.value),t.responseType="json",this.xhr=t}_attachXHRListeners(){const t=this,e=this.xhr;function i(e){return()=>t.fire("error",e)}e.addEventListener("error",i("Network Error")),e.addEventListener("abort",i("Abort")),e.upload&&e.upload.addEventListener("progress",t=>{t.lengthComputable&&this.fire("progress",{total:t.total,uploaded:t.loaded})}),e.addEventListener("load",()=>{const t=e.status,i=e.response;if(t<200||t>299)return this.fire("error",i.message||i.error)})}_sendRequest(){const t=new FormData,e=this.xhr;return t.append("file",this.file),new Promise((i,n)=>{e.addEventListener("load",()=>{const t=e.status,o=e.response;return t<200||t>299?o.message?n(new hi.b("fileuploader-uploading-data-failed: Uploading file failed.",this,{message:o.message})):n(o.error):i(o)}),e.addEventListener("error",()=>n(new Error("Network Error"))),e.addEventListener("abort",()=>n(new Error("Abort"))),e.send(t)})}}vi(vu,mi);const yu={refreshInterval:36e5,autoRefresh:!0};class xu{constructor(t,e=yu){if(!t)throw new hi.b("token-missing-token-url: A `tokenUrl` must be provided as the first constructor argument.",this);this.set("value",e.initValue),this._refresh="function"==typeof t?t:()=>{return e=t,new Promise((t,i)=>{const n=new XMLHttpRequest;n.open("GET",e),n.addEventListener("load",()=>{const e=n.status,o=n.response;return e<200||e>299?i(new hi.b("token-cannot-download-new-token: Cannot download new token from the provided url.",null)):t(o)}),n.addEventListener("error",()=>i(new Error("Network Error"))),n.addEventListener("abort",()=>i(new Error("Abort"))),n.send()});var e},this._options=Object.assign({},yu,e)}init(){return new Promise((t,e)=>{this._options.autoRefresh&&this._startRefreshing(),this.value?t(this):this._refreshToken().then(t).catch(e)})}_refreshToken(){return this._refresh().then(t=>this.set("value",t)).then(()=>this)}destroy(){this._stopRefreshing()}_startRefreshing(){this._refreshInterval=setInterval(()=>this._refreshToken(),this._options.refreshInterval)}_stopRefreshing(){clearInterval(this._refreshInterval)}static create(t,e=yu){return new xu(t,e).init()}}vi(xu,Un);var Au=xu;class Tu extends Hd{static get pluginName(){return"CloudServices"}init(){const t=this.context.config.get("cloudServices")||{};for(const e in t)this[e]=t[e];if(this.tokenUrl)return this.token=new Tu.Token(this.tokenUrl),this.token.init();this.token=null}}Tu.Token=Au;class Cu extends Yl{static get requires(){return[Yd,Tu]}init(){const t=this.editor,e=t.plugins.get(Tu),i=e.token,n=e.uploadUrl;i&&(this._uploadGateway=new Cu._UploadGateway(i,n),t.plugins.get(Yd).createUploadAdapter=t=>new Pu(this._uploadGateway,t))}}class Pu{constructor(t,e){this.uploadGateway=t,this.loader=e}upload(){return this.loader.file.then(t=>(this.fileUploader=this.uploadGateway.upload(t),this.fileUploader.on("progress",(t,e)=>{this.loader.uploadTotal=e.total,this.loader.uploaded=e.uploaded}),this.fileUploader.send()))}abort(){this.fileUploader.abort()}}Cu._UploadGateway=class{constructor(t,e){if(!t)throw new hi.b("uploadgateway-missing-token: Token must be provided.",null);if(!e)throw new hi.b("uploadgateway-missing-api-address: Api address must be provided.",null);this._token=t,this._apiAddress=e}upload(t){return new vu(t,this._token,this._apiAddress)}};class Su extends Nr{constructor(t){super(t),this.domEventType="mousedown"}onDomEvent(t){this.fire(t.type,t)}}i(47);const Mu=bo("Ctrl+A");class Eu extends Yl{static get pluginName(){return"Widget"}init(){const t=this.editor.editing.view,e=t.document;this._previouslySelected=new Set,this.editor.editing.downcastDispatcher.on("selection",(t,e,i)=>{this._clearPreviouslySelectedWidgets(i.writer);const n=i.writer,o=n.document.selection,r=o.getSelectedElement();let s=null;for(const t of o.getRanges())for(const e of t){const t=e.item;_h(t)&&!Iu(t,s)&&(n.addClass("ck-widget_selected",t),this._previouslySelected.add(t),s=t,t==r&&n.setSelection(o.getRanges(),{fake:!0,label:yh(r)}))}},{priority:"low"}),t.addObserver(Su),this.listenTo(e,"mousedown",(...t)=>this._onMousedown(...t)),this.listenTo(e,"keydown",(...t)=>this._onKeydown(...t),{priority:"high"}),this.listenTo(e,"delete",(t,e)=>{this._handleDelete("forward"==e.direction)&&(e.preventDefault(),t.stop())},{priority:"high"})}_onMousedown(t,e){const i=this.editor,n=i.editing.view,o=n.document;let r=e.target;if(function(t){for(;t;){if(t.is("editableElement")&&!t.is("rootElement"))return!0;if(_h(t))return!1;t=t.parent}return!1}(r)){if(uo.isSafari&&e.domEvent.detail>=3){const t=i.editing.mapper.toModelElement(r);this.editor.model.change(i=>{e.preventDefault(),i.setSelection(t,"in")})}return}if(!_h(r)&&(r=r.findAncestor(_h),!r))return;e.preventDefault(),o.isFocused||n.focus();const s=i.editing.mapper.toModelElement(r);this._setSelectionOverElement(s)}_onKeydown(t,e){const i=e.keyCode,n="ltr"===this.editor.locale.contentLanguageDirection,o=i==go.arrowdown||i==go[n?"arrowright":"arrowleft"];let r=!1;!function(t){return t==go.arrowright||t==go.arrowleft||t==go.arrowup||t==go.arrowdown}(i)?!function(t){return po(t)==Mu}(e)?i===go.enter&&(r=this._handleEnterKey(e.shiftKey)):r=this._selectAllNestedEditableContent()||this._selectAllContent():r=this._handleArrowKeys(o),r&&(e.preventDefault(),t.stop())}_handleDelete(t){if(this.editor.isReadOnly)return;const e=this.editor.model.document.selection;if(!e.isCollapsed)return;const i=this._getObjectElementNextToSelection(t);return i?(this.editor.model.change(t=>{let n=e.anchor.parent;for(;n.isEmpty;){const e=n;n=e.parent,t.remove(e)}this._setSelectionOverElement(i)}),!0):void 0}_handleArrowKeys(t){const e=this.editor.model,i=e.schema,n=e.document.selection,o=n.getSelectedElement();if(o&&i.isObject(o)){const o=t?n.getLastPosition():n.getFirstPosition(),r=i.getNearestSelectionRange(o,t?"forward":"backward");return r&&e.change(t=>{t.setSelection(r)}),!0}if(!n.isCollapsed)return;const r=this._getObjectElementNextToSelection(t);return r&&i.isObject(r)?(this._setSelectionOverElement(r),!0):void 0}_handleEnterKey(t){const e=this.editor.model,i=e.document.selection.getSelectedElement();if(n=i,o=e.schema,n&&o.isObject(n)&&!o.isInline(n))return e.change(n=>{let o=n.createPositionAt(i,t?"before":"after");const r=n.createElement("paragraph");if(e.schema.isBlock(i.parent)){const t=e.schema.findAllowedParent(o,r);o=n.split(o,t).position}n.insert(r,o),n.setSelection(r,"in")}),!0;var n,o}_selectAllNestedEditableContent(){const t=this.editor.model,e=t.document.selection,i=t.schema.getLimitElement(e);return e.getFirstRange().root!=i&&(t.change(t=>{t.setSelection(t.createRangeIn(i))}),!0)}_selectAllContent(){const t=this.editor.model,e=this.editor.editing,i=e.view.document.selection.getSelectedElement();if(i&&_h(i)){const n=e.mapper.toModelElement(i.parent);return t.change(t=>{t.setSelection(t.createRangeIn(n))}),!0}return!1}_setSelectionOverElement(t){this.editor.model.change(e=>{e.setSelection(e.createRangeOn(t))})}_getObjectElementNextToSelection(t){const e=this.editor.model,i=e.schema,n=e.document.selection,o=e.createSelection(n);e.modifySelection(o,{direction:t?"forward":"backward"});const r=t?o.focus.nodeBefore:o.focus.nodeAfter;return r&&i.isObject(r)?r:null}_clearPreviouslySelectedWidgets(t){for(const e of this._previouslySelected)t.removeClass("ck-widget_selected",e);this._previouslySelected.clear()}}function Iu(t,e){return!!e&&Array.from(t.getAncestors()).includes(e)}class Nu extends Zl{refresh(){const t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=Ph(t),Ph(t)&&t.hasAttribute("alt")?this.value=t.getAttribute("alt"):this.value=!1}execute(t){const e=this.editor.model,i=e.document.selection.getSelectedElement();e.change(e=>{e.setAttribute("alt",t.newValue,i)})}}class Ou extends Yl{static get pluginName(){return"ImageTextAlternativeEditing"}init(){this.editor.commands.add("imageTextAlternative",new Nu(this.editor))}}i(49);class Ru extends rl{constructor(t,e){super(t);const i="ck-input-"+li(),n="ck-status-"+li();this.set("label"),this.set("value"),this.set("isReadOnly",!1),this.set("errorText",null),this.set("infoText",null),this.labelView=this._createLabelView(i),this.inputView=this._createInputView(e,i,n),this.statusView=this._createStatusView(n),this.bind("_statusText").to(this,"errorText",this,"infoText",(t,e)=>t||e);const o=this.bindTemplate;this.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-input",o.if("isReadOnly","ck-disabled")]},children:[this.labelView,this.inputView,this.statusView]})}_createLabelView(t){const e=new dl(this.locale);return e.for=t,e.bind("text").to(this,"label"),e}_createInputView(t,e,i){const n=new t(this.locale,i);return n.id=e,n.ariaDescribedById=i,n.bind("value").to(this),n.bind("isReadOnly").to(this),n.bind("hasError").to(this,"errorText",t=>!!t),n.on("input",()=>{this.errorText=null}),n}_createStatusView(t){const e=new rl(this.locale),i=this.bindTemplate;return e.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-input__status",i.if("errorText","ck-labeled-input__status_error"),i.if("_statusText","ck-hidden",t=>!t)],id:t,role:i.if("errorText","alert")},children:[{text:i.to("_statusText")}]}),e}select(){this.inputView.select()}focus(){this.inputView.focus()}}i(51);class Du extends rl{constructor(t){super(t),this.set("value"),this.set("id"),this.set("placeholder"),this.set("isReadOnly",!1),this.set("hasError",!1),this.set("ariaDescribedById");const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{type:"text",class:["ck","ck-input","ck-input-text",e.if("hasError","ck-error")],id:e.to("id"),placeholder:e.to("placeholder"),readonly:e.to("isReadOnly"),"aria-invalid":e.if("hasError",!0),"aria-describedby":e.to("ariaDescribedById")},on:{input:e.to("input")}})}render(){super.render();const t=t=>{this.element.value=t||0===t?t:""};t(this.value),this.on("change:value",(e,i,n)=>{t(n)})}select(){this.element.select()}focus(){this.element.focus()}}function Lu({view:t}){t.listenTo(t.element,"submit",(e,i)=>{i.preventDefault(),t.fire("submit")},{useCapture:!0})}var ju='<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>',Vu='<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>';i(53);class zu extends rl{constructor(t){super(t);const e=this.locale.t;this.focusTracker=new Ec,this.keystrokes=new vc,this.labeledInput=this._createLabeledInputView(),this.saveButtonView=this._createButton(e("bs"),ju,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(e("bt"),Vu,"ck-button-cancel","cancel"),this._focusables=new zc,this._focusCycler=new bl({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),Lu({view:this}),[this.labeledInput,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)})}_createButton(t,e,i,n){const o=new Ml(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.extendTemplate({attributes:{class:i}}),n&&o.delegate("execute").to(this,n),o}_createLabeledInputView(){const t=this.locale.t,e=new Ru(this.locale,Du);return e.label=t("cc"),e.inputView.placeholder=t("cc"),e}}i(55);const Bu=ml("px"),Fu=Xo.document.body;class Uu extends rl{constructor(t){super(t);const e=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",e.to("position",t=>"ck-balloon-panel_"+t),e.if("isVisible","ck-balloon-panel_visible"),e.if("withArrow","ck-balloon-panel_with-arrow"),e.to("class")],style:{top:e.to("top",Bu),left:e.to("left",Bu)}},children:this.content})}show(){this.isVisible=!0}hide(){this.isVisible=!1}attachTo(t){this.show();const e=Uu.defaultPositions,i=Object.assign({},{element:this.element,positions:[e.southArrowNorth,e.southArrowNorthMiddleWest,e.southArrowNorthMiddleEast,e.southArrowNorthWest,e.southArrowNorthEast,e.northArrowSouth,e.northArrowSouthMiddleWest,e.northArrowSouthMiddleEast,e.northArrowSouthWest,e.northArrowSouthEast],limiter:Fu,fitInViewport:!0},t),n=Uu._getOptimalPosition(i),o=parseInt(n.left),r=parseInt(n.top),s=n.name;Object.assign(this,{top:r,left:o,position:s})}pin(t){this.unpin(),this._pinWhenIsVisibleCallback=()=>{this.isVisible?this._startPinning(t):this._stopPinning()},this._startPinning(t),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(t){this.attachTo(t);const e=Hu(t.target),i=t.limiter?Hu(t.limiter):Fu;this.listenTo(Xo.document,"scroll",(n,o)=>{const r=o.target,s=e&&r.contains(e),a=i&&r.contains(i);!s&&!a&&e&&i||this.attachTo(t)},{useCapture:!0}),this.listenTo(Xo.window,"resize",()=>{this.attachTo(t)})}_stopPinning(){this.stopListening(Xo.document,"scroll"),this.stopListening(Xo.window,"resize")}}function Hu(t){return ii(t)?t:Qr(t)?t.commonAncestorContainer:"function"==typeof t?Hu(t()):null}function qu(t,e){return t.top-e.height-Uu.arrowVerticalOffset}function Wu(t){return t.bottom+Uu.arrowVerticalOffset}Uu.arrowHorizontalOffset=25,Uu.arrowVerticalOffset=10,Uu._getOptimalPosition=xl,Uu.defaultPositions={northWestArrowSouthWest:(t,e)=>({top:qu(t,e),left:t.left-Uu.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouthMiddleWest:(t,e)=>({top:qu(t,e),left:t.left-.25*e.width-Uu.arrowHorizontalOffset,name:"arrow_smw"}),northWestArrowSouth:(t,e)=>({top:qu(t,e),left:t.left-e.width/2,name:"arrow_s"}),northWestArrowSouthMiddleEast:(t,e)=>({top:qu(t,e),left:t.left-.75*e.width+Uu.arrowHorizontalOffset,name:"arrow_sme"}),northWestArrowSouthEast:(t,e)=>({top:qu(t,e),left:t.left-e.width+Uu.arrowHorizontalOffset,name:"arrow_se"}),northArrowSouthWest:(t,e)=>({top:qu(t,e),left:t.left+t.width/2-Uu.arrowHorizontalOffset,name:"arrow_sw"}),northArrowSouthMiddleWest:(t,e)=>({top:qu(t,e),left:t.left+t.width/2-.25*e.width-Uu.arrowHorizontalOffset,name:"arrow_smw"}),northArrowSouth:(t,e)=>({top:qu(t,e),left:t.left+t.width/2-e.width/2,name:"arrow_s"}),northArrowSouthMiddleEast:(t,e)=>({top:qu(t,e),left:t.left+t.width/2-.75*e.width+Uu.arrowHorizontalOffset,name:"arrow_sme"}),northArrowSouthEast:(t,e)=>({top:qu(t,e),left:t.left+t.width/2-e.width+Uu.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouthWest:(t,e)=>({top:qu(t,e),left:t.right-Uu.arrowHorizontalOffset,name:"arrow_sw"}),northEastArrowSouthMiddleWest:(t,e)=>({top:qu(t,e),left:t.right-.25*e.width-Uu.arrowHorizontalOffset,name:"arrow_smw"}),northEastArrowSouth:(t,e)=>({top:qu(t,e),left:t.right-e.width/2,name:"arrow_s"}),northEastArrowSouthMiddleEast:(t,e)=>({top:qu(t,e),left:t.right-.75*e.width+Uu.arrowHorizontalOffset,name:"arrow_sme"}),northEastArrowSouthEast:(t,e)=>({top:qu(t,e),left:t.right-e.width+Uu.arrowHorizontalOffset,name:"arrow_se"}),southWestArrowNorthWest:(t,e)=>({top:Wu(t),left:t.left-Uu.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorthMiddleWest:(t,e)=>({top:Wu(t),left:t.left-.25*e.width-Uu.arrowHorizontalOffset,name:"arrow_nmw"}),southWestArrowNorth:(t,e)=>({top:Wu(t),left:t.left-e.width/2,name:"arrow_n"}),southWestArrowNorthMiddleEast:(t,e)=>({top:Wu(t),left:t.left-.75*e.width+Uu.arrowHorizontalOffset,name:"arrow_nme"}),southWestArrowNorthEast:(t,e)=>({top:Wu(t),left:t.left-e.width+Uu.arrowHorizontalOffset,name:"arrow_ne"}),southArrowNorthWest:(t,e)=>({top:Wu(t),left:t.left+t.width/2-Uu.arrowHorizontalOffset,name:"arrow_nw"}),southArrowNorthMiddleWest:(t,e)=>({top:Wu(t),left:t.left+t.width/2-.25*e.width-Uu.arrowHorizontalOffset,name:"arrow_nmw"}),southArrowNorth:(t,e)=>({top:Wu(t),left:t.left+t.width/2-e.width/2,name:"arrow_n"}),southArrowNorthMiddleEast:(t,e)=>({top:Wu(t),left:t.left+t.width/2-.75*e.width+Uu.arrowHorizontalOffset,name:"arrow_nme"}),southArrowNorthEast:(t,e)=>({top:Wu(t),left:t.left+t.width/2-e.width+Uu.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorthWest:(t,e)=>({top:Wu(t),left:t.right-Uu.arrowHorizontalOffset,name:"arrow_nw"}),southEastArrowNorthMiddleWest:(t,e)=>({top:Wu(t),left:t.right-.25*e.width-Uu.arrowHorizontalOffset,name:"arrow_nmw"}),southEastArrowNorth:(t,e)=>({top:Wu(t),left:t.right-e.width/2,name:"arrow_n"}),southEastArrowNorthMiddleEast:(t,e)=>({top:Wu(t),left:t.right-.75*e.width+Uu.arrowHorizontalOffset,name:"arrow_nme"}),southEastArrowNorthEast:(t,e)=>({top:Wu(t),left:t.right-e.width+Uu.arrowHorizontalOffset,name:"arrow_ne"})};i(57),i(59);const Yu=ml("px");class $u extends Yl{static get pluginName(){return"ContextualBalloon"}constructor(t){super(t),this.positionLimiter=()=>{const t=this.editor.editing.view,e=t.document.selection.editableElement;return e?t.domConverter.mapViewToDom(e.root):null},this.set("visibleView",null),this.view=new Uu(t.locale),t.ui.view.body.add(this.view),t.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(t){return Array.from(this._viewToStack.keys()).includes(t)}add(t){if(this.hasView(t.view))throw new hi.b("contextualballoon-add-view-exist: Cannot add configuration of the same view twice.",[this,t]);const e=t.stackId||"main";if(!this._idToStack.has(e))return this._idToStack.set(e,new Map([[t.view,t]])),this._viewToStack.set(t.view,this._idToStack.get(e)),this._numberOfStacks=this._idToStack.size,void(this._visibleStack&&!t.singleViewMode||this.showStack(e));const i=this._idToStack.get(e);t.singleViewMode&&this.showStack(e),i.set(t.view,t),this._viewToStack.set(t.view,i),i===this._visibleStack&&this._showView(t)}remove(t){if(!this.hasView(t))throw new hi.b("contextualballoon-remove-view-not-exist: Cannot remove the configuration of a non-existent view.",[this,t]);const e=this._viewToStack.get(t);this._singleViewMode&&this.visibleView===t&&(this._singleViewMode=!1),this.visibleView===t&&(1===e.size?this._idToStack.size>1?this._showNextStack():(this.view.hide(),this.visibleView=null,this._rotatorView.hideView()):this._showView(Array.from(e.values())[e.size-2])),1===e.size?(this._idToStack.delete(this._getStackId(e)),this._numberOfStacks=this._idToStack.size):e.delete(t),this._viewToStack.delete(t)}updatePosition(t){t&&(this._visibleStack.get(this.visibleView).position=t),this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition()}showStack(t){this.visibleStack=t;const e=this._idToStack.get(t);if(!e)throw new hi.b("contextualballoon-showstack-stack-not-exist: Cannot show a stack that does not exist.",this);this._visibleStack!==e&&this._showView(Array.from(e.values()).pop())}get _visibleStack(){return this._viewToStack.get(this.visibleView)}_getStackId(t){return Array.from(this._idToStack.entries()).find(e=>e[1]===t)[0]}_showNextStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)+1;t[e]||(e=0),this.showStack(this._getStackId(t[e]))}_showPrevStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)-1;t[e]||(e=t.length-1),this.showStack(this._getStackId(t[e]))}_createRotatorView(){const t=new Gu(this.editor.locale),e=this.editor.locale.t;return this.view.content.add(t),t.bind("isNavigationVisible").to(this,"_numberOfStacks",this,"_singleViewMode",(t,e)=>!e&&t>1),t.on("change:isNavigationVisible",()=>this.updatePosition(),{priority:"low"}),t.bind("counter").to(this,"visibleView",this,"_numberOfStacks",(t,i)=>{if(i<2)return"";const n=Array.from(this._idToStack.values()).indexOf(this._visibleStack)+1;return e("bz",[n,i])}),t.buttonNextView.on("execute",()=>{t.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showNextStack()}),t.buttonPrevView.on("execute",()=>{t.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showPrevStack()}),t}_createFakePanelsView(){const t=new Qu(this.editor.locale,this.view);return t.bind("numberOfPanels").to(this,"_numberOfStacks",this,"_singleViewMode",(t,e)=>!e&&t>=2?Math.min(t-1,2):0),t.listenTo(this.view,"change:top",()=>t.updatePosition()),t.listenTo(this.view,"change:left",()=>t.updatePosition()),this.editor.ui.view.body.add(t),t}_showView({view:t,balloonClassName:e="",withArrow:i=!0,singleViewMode:n=!1}){this.view.class=e,this.view.withArrow=i,this._rotatorView.showView(t),this.visibleView=t,this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition(),n&&(this._singleViewMode=!0)}_getBalloonPosition(){let t=Array.from(this._visibleStack.values()).pop().position;return t&&!t.limiter&&(t=Object.assign({},t,{limiter:this.positionLimiter})),t}}class Gu extends rl{constructor(t){super(t);const e=t.t,i=this.bindTemplate;this.set("isNavigationVisible",!0),this.focusTracker=new Ec,this.buttonPrevView=this._createButtonView(e("ca"),'<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(e("cb"),'<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",i.to("isNavigationVisible",t=>t?"":"ck-hidden")]},children:[this.buttonPrevView,{tag:"span",attributes:{class:["ck-balloon-rotator__counter"]},children:[{text:i.to("counter")}]},this.buttonNextView]},{tag:"div",attributes:{class:"ck-balloon-rotator__content"},children:this.content}]})}render(){super.render(),this.focusTracker.add(this.element)}showView(t){this.hideView(),this.content.add(t)}hideView(){this.content.clear()}_createButtonView(t,e){const i=new Ml(this.locale);return i.set({label:t,icon:e,tooltip:!0}),i}}class Qu extends rl{constructor(t,e){super(t);const i=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=e,this.setTemplate({tag:"div",attributes:{class:["ck-fake-panel",i.to("numberOfPanels",t=>t?"":"ck-hidden")],style:{top:i.to("top",Yu),left:i.to("left",Yu),width:i.to("width",Yu),height:i.to("height",Yu)}},children:this.content}),this.on("change:numberOfPanels",(t,e,i,n)=>{i>n?this._addPanels(i-n):this._removePanels(n-i),this.updatePosition()})}_addPanels(t){for(;t--;){const t=new rl;t.setTemplate({tag:"div"}),this.content.add(t),this.registerChild(t)}}_removePanels(t){for(;t--;){const t=this.content.last;this.content.remove(t),this.deregisterChild(t),t.destroy()}}updatePosition(){if(this.numberOfPanels){const{top:t,left:e}=this._balloonPanelView,{width:i,height:n}=new Zr(this._balloonPanelView.element);Object.assign(this,{top:t,left:e,width:i,height:n})}}}function Ku(t){const e=t.editing.view,i=Uu.defaultPositions;return{target:e.domConverter.viewToDom(e.document.selection.getSelectedElement()),positions:[i.northArrowSouth,i.northArrowSouthWest,i.northArrowSouthEast,i.southArrowNorth,i.southArrowNorthWest,i.southArrowNorthEast]}}class Ju extends Yl{static get requires(){return[$u]}static get pluginName(){return"ImageTextAlternativeUI"}init(){this._createButton(),this._createForm()}destroy(){super.destroy(),this._form.destroy()}_createButton(){const t=this.editor,e=t.t;t.ui.componentFactory.add("imageTextAlternative",i=>{const n=t.commands.get("imageTextAlternative"),o=new Ml(i);return o.set({label:e("bp"),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 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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(n,"isEnabled"),this.listenTo(o,"execute",()=>{this._showForm()}),o})}_createForm(){const t=this.editor,e=t.editing.view.document;this._balloon=this.editor.plugins.get("ContextualBalloon"),this._form=new zu(t.locale),this._form.render(),this.listenTo(this._form,"submit",()=>{t.execute("imageTextAlternative",{newValue:this._form.labeledInput.inputView.element.value}),this._hideForm(!0)}),this.listenTo(this._form,"cancel",()=>{this._hideForm(!0)}),this._form.keystrokes.set("Esc",(t,e)=>{this._hideForm(!0),e()}),this.listenTo(t.ui,"update",()=>{Ch(e.selection)?this._isVisible&&function(t){const e=t.plugins.get("ContextualBalloon");if(Ch(t.editing.view.document.selection)){const i=Ku(t);e.updatePosition(i)}}(t):this._hideForm(!0)}),Ll({emitter:this._form,activator:()=>this._isVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideForm()})}_showForm(){if(this._isVisible)return;const t=this.editor,e=t.commands.get("imageTextAlternative"),i=this._form.labeledInput;this._isInBalloon||this._balloon.add({view:this._form,position:Ku(t)}),i.value=i.inputView.element.value=e.value||"",this._form.labeledInput.select()}_hideForm(t){this._isInBalloon&&(this._form.focusTracker.isFocused&&this._form.saveButtonView.focus(),this._balloon.remove(this._form),t&&this.editor.editing.view.focus())}get _isVisible(){return this._balloon.visibleView===this._form}get _isInBalloon(){return this._balloon.hasView(this._form)}}class Zu extends Yl{static get requires(){return[Ou,Ju]}static get pluginName(){return"ImageTextAlternative"}}i(61);class Xu extends Yl{static get requires(){return[Oh,Eu,Zu]}static get pluginName(){return"Image"}}class tf extends rl{constructor(t){super(t),this.buttonView=new Ml(t),this._fileInputView=new ef(t),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 ef extends rl{constructor(t){super(t),this.set("acceptedType"),this.set("allowMultipleFiles",!1);const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{class:["ck-hidden"],type:"file",tabindex:"-1",accept:e.to("acceptedType"),multiple:e.to("allowMultipleFiles")},on:{change:e.to(()=>{this.element&&this.element.files&&this.element.files.length&&this.fire("done",this.element.files),this.element.value=""})}})}open(){this.element.click()}}function nf(t){const e=t.map(t=>t.replace("+","\\+"));return new RegExp(`^image\\/(${e.join("|")})$`)}function of(t){return new Promise((e,i)=>{const n=t.getAttribute("src");fetch(n).then(t=>t.blob()).then(t=>{const o=function(t,e){return t.type?t.type:e.match(/data:(image\/\w+);base64/)?e.match(/data:(image\/\w+);base64/)[1].toLowerCase():"image/jpeg"}(t,n),r=function(t,e,i){try{return new File([t],e,{type:i})}catch(t){return null}}(t,"image."+o.replace("image/",""),o);r?e(r):i()}).catch(i)})}class rf extends Yl{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("imageUpload",i=>{const n=new tf(i),o=t.commands.get("imageUpload"),r=t.config.get("image.upload.types"),s=nf(r);return n.set({acceptedType:r.map(t=>"image/"+t).join(","),allowMultipleFiles:!0}),n.buttonView.set({label:e("af"),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}),n.buttonView.bind("isEnabled").to(o),n.on("done",(e,i)=>{const n=Array.from(i).filter(t=>s.test(t.type));n.length&&t.execute("imageUpload",{file:n})}),n})}}i(63),i(65),i(67);class sf extends Yl{constructor(t){super(t),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",(...t)=>this.uploadStatusChange(...t))}uploadStatusChange(t,e,i){const n=this.editor,o=e.item,r=o.getAttribute("uploadId");if(!i.consumable.consume(e.item,t.name))return;const s=n.plugins.get(Yd),a=r?e.attributeNewValue:null,c=this.placeholder,l=n.editing.mapper.toViewElement(o),d=i.writer;if("reading"==a)return af(l,d),void cf(c,l,d);if("uploading"==a){const t=s.loaders.get(r);return af(l,d),void(t?(lf(l,d),function(t,e,i,n){const o=function(t){const e=t.createUIElement("div",{class:"ck-progress-bar"});return t.setCustomProperty("progressBar",!0,e),e}(e);e.insert(e.createPositionAt(t,"end"),o),i.on("change:uploadedPercent",(t,e,i)=>{n.change(t=>{t.setStyle("width",i+"%",o)})})}(l,d,t,n.editing.view),function(t,e,i){if(i.data){const n=Eh(t);e.setAttribute("src",i.data,n)}}(l,d,t)):cf(c,l,d))}"complete"==a&&s.loaders.get(r)&&!uo.isEdge&&function(t,e,i){const n=e.createUIElement("div",{class:"ck-image-upload-complete-icon"});e.insert(e.createPositionAt(t,"end"),n),setTimeout(()=>{i.change(t=>t.remove(t.createRangeOn(n)))},3e3)}(l,d,n.editing.view),function(t,e){hf(t,e,"progressBar")}(l,d),lf(l,d),function(t,e){e.removeClass("ck-appear",t)}(l,d)}}function af(t,e){t.hasClass("ck-appear")||e.addClass("ck-appear",t)}function cf(t,e,i){e.hasClass("ck-image-upload-placeholder")||i.addClass("ck-image-upload-placeholder",e);const n=Eh(e);n.getAttribute("src")!==t&&i.setAttribute("src",t,n),df(e,"placeholder")||i.insert(i.createPositionAfter(n),function(t){const e=t.createUIElement("div",{class:"ck-upload-placeholder-loader"});return t.setCustomProperty("placeholder",!0,e),e}(i))}function lf(t,e){t.hasClass("ck-image-upload-placeholder")&&e.removeClass("ck-image-upload-placeholder",t),hf(t,e,"placeholder")}function df(t,e){for(const i of t.getChildren())if(i.getCustomProperty(e))return i}function hf(t,e,i){const n=df(t,i);n&&e.remove(e.createRangeOn(n))}class uf{constructor(t){this.document=t}createDocumentFragment(t){return new xo(this.document,t)}createElement(t,e,i){return new On(this.document,t,e,i)}createText(t){return new Ni(this.document,t)}clone(t,e=!1){return t._clone(e)}appendChild(t,e){return e._appendChild(t)}insertChild(t,e,i){return i._insertChild(t,e)}removeChildren(t,e,i){return i._removeChildren(t,e)}remove(t){const e=t.parent;return e?this.removeChildren(e.getChildIndex(t),1,e):[]}replace(t,e){const i=t.parent;if(i){const n=i.getChildIndex(t);return this.removeChildren(n,1,i),this.insertChild(n,e,i),!0}return!1}unwrapElement(t){const e=t.parent;if(e){const i=e.getChildIndex(t);this.remove(t),this.insertChild(i,t.getChildren(),e)}}rename(t,e){const i=new On(this.document,t,e.getAttributes(),e.getChildren());return this.replace(e,i)?i:null}setAttribute(t,e,i){i._setAttribute(t,e)}removeAttribute(t,e){e._removeAttribute(t)}addClass(t,e){e._addClass(t)}removeClass(t,e){e._removeClass(t)}setStyle(t,e,i){y(t)&&void 0===i&&(i=e),i._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,i){i._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}createPositionAt(t,e){return Zn._createAt(t,e)}createPositionAfter(t){return Zn._createAfter(t)}createPositionBefore(t){return Zn._createBefore(t)}createRange(t,e){return new Xn(t,e)}createRangeOn(t){return Xn._createOn(t)}createRangeIn(t){return Xn._createIn(t)}createSelection(t,e,i){return new io(t,e,i)}}class ff extends Zl{refresh(){this.isEnabled=Mh(this.editor.model)}execute(t){const e=this.editor,i=e.model,n=e.plugins.get(Yd);i.change(e=>{const o=Array.isArray(t.file)?t.file:[t.file];for(const t of o)mf(e,i,n,t)})}}function mf(t,e,i,n){const o=i.createLoader(n);o&&Sh(t,e,{uploadId:o.id})}class gf extends Yl{static get requires(){return[Yd,pu,Jl]}static get pluginName(){return"ImageUploadEditing"}constructor(t){super(t),t.config.define("image",{upload:{types:["jpeg","png","gif","bmp","webp","tiff"]}})}init(){const t=this.editor,e=t.model.document,i=t.model.schema,n=t.conversion,o=t.plugins.get(Yd),r=nf(t.config.get("image.upload.types"));i.extend("image",{allowAttributes:["uploadId","uploadStatus"]}),t.commands.add("imageUpload",new ff(t)),n.for("upcast").attributeToAttribute({view:{name:"img",key:"uploadId"},model:"uploadId"}),this.listenTo(t.editing.view.document,"clipboardInput",(e,i)=>{if(n=i.dataTransfer,Array.from(n.types).includes("text/html")&&""!==n.getData("text/html"))return;var n;const o=Array.from(i.dataTransfer.files).filter(t=>!!t&&r.test(t.type)),s=i.targetRanges.map(e=>t.editing.mapper.toModelRange(e));t.model.change(i=>{i.setSelection(s),o.length&&(e.stop(),t.model.enqueueChange("default",()=>{t.execute("imageUpload",{file:o})}))})}),this.listenTo(t.plugins.get(Jl),"inputTransformation",(e,i)=>{const n=Array.from(t.editing.view.createRangeIn(i.content)).filter(t=>{return!(!(e=t.item).is("element","img")||!e.getAttribute("src"))&&(e.getAttribute("src").match(/^data:image\/\w+;base64,/g)||e.getAttribute("src").match(/^blob:/g))&&!t.item.getAttribute("uploadProcessed");var e}).map(t=>({promise:of(t.item),imageElement:t.item}));if(!n.length)return;const r=new uf(t.editing.view.document);for(const t of n){r.setAttribute("uploadProcessed",!0,t.imageElement);const e=o.createLoader(t.promise);e&&(r.setAttribute("src","",t.imageElement),r.setAttribute("uploadId",e.id,t.imageElement))}}),t.editing.view.document.on("dragover",(t,e)=>{e.preventDefault()}),e.on("change",()=>{const i=e.differ.getChanges({includeChangesInGraveyard:!0});for(const e of i)if("insert"==e.type&&"$text"!=e.name){const i=e.position.nodeAfter,n="$graveyard"==e.position.root.rootName;for(const e of pf(t,i)){const t=e.getAttribute("uploadId");if(!t)continue;const i=o.loaders.get(t);i&&(n?i.abort():"idle"==i.status&&this._readAndUpload(i,e))}}})}_readAndUpload(t,e){const i=this.editor,n=i.model,o=i.locale.t,r=i.plugins.get(Yd),s=i.plugins.get(pu);return n.enqueueChange("transparent",t=>{t.setAttribute("uploadStatus","reading",e)}),t.read().then(()=>{const o=t.upload();if(uo.isSafari){const t=Eh(i.editing.mapper.toViewElement(e));i.editing.view.once("render",()=>{if(!t.parent)return;const e=i.editing.view.domConverter.mapViewToDom(t.parent);if(!e)return;const n=e.style.display;e.style.display="none",e._ckHack=e.offsetHeight,e.style.display=n})}return n.enqueueChange("transparent",t=>{t.setAttribute("uploadStatus","uploading",e)}),o}).then(t=>{n.enqueueChange("transparent",i=>{i.setAttributes({uploadStatus:"complete",src:t.default},e),this._parseAndSetSrcsetAttributeOnImage(t,e,i)}),a()}).catch(i=>{if("error"!==t.status&&"aborted"!==t.status)throw i;"error"==t.status&&i&&s.showWarning(i,{title:o("ai"),namespace:"upload"}),a(),n.enqueueChange("transparent",t=>{t.remove(e)})});function a(){n.enqueueChange("transparent",t=>{t.removeAttribute("uploadId",e),t.removeAttribute("uploadStatus",e)}),r.destroyLoader(t)}}_parseAndSetSrcsetAttributeOnImage(t,e,i){let n=0;const o=Object.keys(t).filter(t=>{const e=parseInt(t,10);if(!isNaN(e))return n=Math.max(n,e),!0}).map(e=>`${t[e]} ${e}w`).join(", ");""!=o&&i.setAttribute("srcset",{data:o,width:n},e)}}function pf(t,e){return Array.from(t.model.createRangeOn(e)).filter(t=>t.item.is("image")).map(t=>t.item)}class bf extends Yl{static get pluginName(){return"ImageUpload"}static get requires(){return[gf,rf,sf]}}class wf extends Zl{refresh(){const t=this.editor.model,e=ah(t.document.selection.getSelectedBlocks());this.value=!!e&&e.is("paragraph"),this.isEnabled=!!e&&kf(e,t.schema)}execute(t={}){const e=this.editor.model,i=e.document;e.change(n=>{const o=(t.selection||i.selection).getSelectedBlocks();for(const t of o)!t.is("paragraph")&&kf(t,e.schema)&&n.rename(t,"paragraph")})}}function kf(t,e){return e.checkChild(t.parent,"paragraph")&&!e.isObject(t)}class _f extends Yl{static get pluginName(){return"Paragraph"}init(){const t=this.editor,e=t.model,i=t.data;t.commands.add("paragraph",new wf(t)),e.schema.register("paragraph",{inheritAllFrom:"$block"}),t.conversion.elementToElement({model:"paragraph",view:"p"}),t.conversion.for("upcast").elementToElement({model:(t,e)=>_f.paragraphLikeElements.has(t.name)?t.isEmpty?null:e.createElement("paragraph"):null,converterPriority:"low"}),i.upcastDispatcher.on("element",(t,e,i)=>{i.consumable.test(e.viewItem,{name:e.viewItem.name})&&yf(e.viewItem,e.modelCursor,i.schema)&&Object.assign(e,vf(e.viewItem,e.modelCursor,i))},{priority:"low"}),i.upcastDispatcher.on("text",(t,e,i)=>{e.modelRange||yf(e.viewItem,e.modelCursor,i.schema)&&Object.assign(e,vf(e.viewItem,e.modelCursor,i))},{priority:"lowest"}),e.document.registerPostFixer(t=>this._autoparagraphEmptyRoots(t)),t.data.on("ready",()=>{e.enqueueChange("transparent",t=>this._autoparagraphEmptyRoots(t))},{priority:"lowest"})}_autoparagraphEmptyRoots(t){const e=this.editor.model;for(const i of e.document.getRootNames()){const n=e.document.getRoot(i);if(n.isEmpty&&"$graveyard"!=n.rootName&&e.schema.checkChild(n,"paragraph"))return t.insertElement("paragraph",n),!0}}}function vf(t,e,i){const n=i.writer.createElement("paragraph");return i.writer.insert(n,e),i.convertItem(t,i.writer.createPositionAt(n,0))}function yf(t,e,i){const n=i.createContext(e);return!!i.checkChild(n,"paragraph")&&!!i.checkChild(n.push("paragraph"),t)}_f.paragraphLikeElements=new Set(["blockquote","dd","div","dt","h1","h2","h3","h4","h5","h6","li","p","td"]);class xf extends Zl{constructor(t,e){super(t),this.modelElements=e}refresh(){const t=ah(this.editor.model.document.selection.getSelectedBlocks());this.value=!!t&&this.modelElements.includes(t.name)&&t.name,this.isEnabled=!!t&&this.modelElements.some(e=>Af(t,e,this.editor.model.schema))}execute(t){const e=this.editor.model,i=e.document,n=t.value;e.change(t=>{const o=Array.from(i.selection.getSelectedBlocks()).filter(t=>Af(t,n,e.schema));for(const e of o)e.is(n)||t.rename(e,n)})}}function Af(t,e,i){return i.checkChild(t.parent,e)&&!i.isObject(t)}class Tf extends Yl{static get pluginName(){return"HeadingEditing"}constructor(t){super(t),t.config.define("heading",{options:[{model:"paragraph",title:"Paragraph",class:"ck-heading_paragraph"},{model:"heading1",view:"h2",title:"Heading 1",class:"ck-heading_heading1"},{model:"heading2",view:"h3",title:"Heading 2",class:"ck-heading_heading2"},{model:"heading3",view:"h4",title:"Heading 3",class:"ck-heading_heading3"}]})}static get requires(){return[_f]}init(){const t=this.editor,e=t.config.get("heading.options"),i=[];for(const n of e)"paragraph"!==n.model&&(t.model.schema.register(n.model,{inheritAllFrom:"$block"}),t.conversion.elementToElement(n),i.push(n.model));this._addDefaultH1Conversion(t),t.commands.add("heading",new xf(t,i))}afterInit(){const t=this.editor,e=t.commands.get("enter"),i=t.config.get("heading.options");e&&this.listenTo(e,"afterExecute",(e,n)=>{const o=t.model.document.selection.getFirstPosition().parent;i.some(t=>o.is(t.model))&&!o.is("paragraph")&&0===o.childCount&&n.writer.rename(o,"paragraph")})}_addDefaultH1Conversion(t){t.conversion.for("upcast").elementToElement({model:"heading1",view:"h1",converterPriority:di.get("low")+1})}}class Cf{constructor(t,e){e&&jn(this,e),t&&this.set(t)}}vi(Cf,Un);i(11);class Pf extends Yl{init(){const t=this.editor,e=t.t,i=function(t){const e=t.t,i={Paragraph:e("cm"),"Heading 1":e("cn"),"Heading 2":e("co"),"Heading 3":e("cp"),"Heading 4":e("cq"),"Heading 5":e("cr"),"Heading 6":e("cs")};return t.config.get("heading.options").map(t=>{const e=i[t.title];return e&&e!=t.title&&(t.title=e),t})}(t),n=e("w"),o=e("x");t.ui.componentFactory.add("heading",e=>{const r={},s=new yi,a=t.commands.get("heading"),c=t.commands.get("paragraph"),l=[a];for(const t of i){const e={type:"button",model:new Cf({label:t.title,class:t.class,withText:!0})};"paragraph"===t.model?(e.model.bind("isOn").to(c,"value"),e.model.set("commandName","paragraph"),l.push(c)):(e.model.bind("isOn").to(a,"value",e=>e===t.model),e.model.set({commandName:"heading",commandValue:t.model})),s.add(e),r[t.model]=t.title}const d=jl(e);return zl(d,s),d.buttonView.set({isOn:!1,withText:!0,tooltip:o}),d.extendTemplate({attributes:{class:["ck-heading-dropdown"]}}),d.bind("isEnabled").toMany(l,"isEnabled",(...t)=>t.some(t=>t)),d.buttonView.bind("label").to(a,"value",c,"value",(t,e)=>{const i=t||e&&"paragraph";return r[i]?r[i]:n}),this.listenTo(d,"execute",e=>{t.execute(e.source.commandName,e.source.commandValue?{value:e.source.commandValue}:void 0),t.editing.view.focus()}),d})}}function Sf(t){for(const e of t.getChildren())if(e&&e.is("caption"))return e;return null}function Mf(t){const e=t.parent;return"figcaption"==t.name&&e&&"figure"==e.name&&e.hasClass("image")?{name:!0}:null}class Ef extends Yl{static get pluginName(){return"ImageCaptionEditing"}init(){const t=this.editor,e=t.editing.view,i=t.model.schema,n=t.data,o=t.editing,r=t.t;i.register("caption",{allowIn:"image",allowContentOf:"$block",isLimit:!0}),t.model.document.registerPostFixer(t=>this._insertMissingModelCaptionElement(t)),t.conversion.for("upcast").elementToElement({view:Mf,model:"caption"});n.downcastDispatcher.on("insert:caption",If(t=>t.createContainerElement("figcaption"),!1));const s=function(t,e){return i=>{const n=i.createEditableElement("figcaption");return i.setCustomProperty("imageCaption",!0,n),Oc({view:t,element:n,text:e}),xh(n,i)}}(e,r("y"));o.downcastDispatcher.on("insert:caption",If(s)),o.downcastDispatcher.on("insert",this._fixCaptionVisibility(t=>t.item),{priority:"high"}),o.downcastDispatcher.on("remove",this._fixCaptionVisibility(t=>t.position.parent),{priority:"high"}),e.document.registerPostFixer(t=>this._updateCaptionVisibility(t))}_updateCaptionVisibility(t){const e=this.editor.editing.mapper,i=this._lastSelectedCaption;let n;const o=this.editor.model.document.selection,r=o.getSelectedElement();if(r&&r.is("image")){const t=Sf(r);n=e.toViewElement(t)}const s=Nf(o.getFirstPosition().parent);if(s&&(n=e.toViewElement(s)),n)return i?(i===n||(Of(i,t),this._lastSelectedCaption=n),Rf(n,t)):(this._lastSelectedCaption=n,Rf(n,t));if(i){const e=Of(i,t);return this._lastSelectedCaption=null,e}return!1}_fixCaptionVisibility(t){return(e,i,n)=>{const o=Nf(t(i)),r=this.editor.editing.mapper,s=n.writer;if(o){const t=r.toViewElement(o);t&&(o.childCount?s.removeClass("ck-hidden",t):s.addClass("ck-hidden",t))}}}_insertMissingModelCaptionElement(t){const e=this.editor.model,i=e.document.differ.getChanges(),n=[];for(const t of i)if("insert"==t.type&&"$text"!=t.name){const i=t.position.nodeAfter;if(i.is("image")&&!Sf(i)&&n.push(i),!i.is("image")&&i.childCount)for(const t of e.createRangeIn(i).getItems())t.is("image")&&!Sf(t)&&n.push(t)}for(const e of n)t.appendElement("caption",e);return!!n.length}}function If(t,e=!0){return(i,n,o)=>{const r=n.item;if((r.childCount||e)&&Ph(r.parent)){if(!o.consumable.consume(n.item,"insert"))return;const e=o.mapper.toViewElement(n.range.start.parent),i=t(o.writer),s=o.writer;r.childCount||s.addClass("ck-hidden",i),function(t,e,i,n){const o=n.writer.createPositionAt(i,"end");n.writer.insert(o,t),n.mapper.bindElements(e,t)}(i,n.item,e,o)}}}function Nf(t){const e=t.getAncestors({includeSelf:!0}).find(t=>"caption"==t.name);return e&&e.parent&&"image"==e.parent.name?e:null}function Of(t,e){return!t.childCount&&!t.hasClass("ck-hidden")&&(e.addClass("ck-hidden",t),!0)}function Rf(t,e){return!!t.hasClass("ck-hidden")&&(e.removeClass("ck-hidden",t),!0)}i(70);class Df extends Zl{constructor(t,e){super(t),this.defaultStyle=!1,this.styles=e.reduce((t,e)=>(t[e.name]=e,e.isDefault&&(this.defaultStyle=e.name),t),{})}refresh(){const t=this.editor.model.document.selection.getSelectedElement();if(this.isEnabled=Ph(t),t)if(t.hasAttribute("imageStyle")){const e=t.getAttribute("imageStyle");this.value=!!this.styles[e]&&e}else this.value=this.defaultStyle;else this.value=!1}execute(t){const e=t.value,i=this.editor.model,n=i.document.selection.getSelectedElement();i.change(t=>{this.styles[e].isDefault?t.removeAttribute("imageStyle",n):t.setAttribute("imageStyle",e,n)})}}function Lf(t,e){for(const i of e)if(i.name===t)return i}var jf='<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>',Vf='<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>',zf='<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>',Bf='<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 Ff={full:{name:"full",title:"Full size image",icon:jf,isDefault:!0},side:{name:"side",title:"Side image",icon:Bf,className:"image-style-side"},alignLeft:{name:"alignLeft",title:"Left aligned image",icon:Vf,className:"image-style-align-left"},alignCenter:{name:"alignCenter",title:"Centered image",icon:zf,className:"image-style-align-center"},alignRight:{name:"alignRight",title:"Right aligned image",icon:Bf,className:"image-style-align-right"}},Uf={full:jf,left:Vf,right:Bf,center:zf};function Hf(t=[]){return t.map(qf)}function qf(t){if("string"==typeof t){const e=t;Ff[e]?t=Object.assign({},Ff[e]):(console.warn(Object(hi.a)("image-style-not-found: There is no such image style of given name."),{name:e}),t={name:e})}else if(Ff[t.name]){const e=Ff[t.name],i=Object.assign({},t);for(const n in e)t.hasOwnProperty(n)||(i[n]=e[n]);t=i}return"string"==typeof t.icon&&Uf[t.icon]&&(t.icon=Uf[t.icon]),t}class Wf extends Yl{static get pluginName(){return"ImageStyleEditing"}init(){const t=this.editor,e=t.model.schema,i=t.data,n=t.editing;t.config.define("image.styles",["full","side"]);const o=Hf(t.config.get("image.styles"));e.extend("image",{allowAttributes:"imageStyle"});const r=function(t){return(e,i,n)=>{if(!n.consumable.consume(i.item,e.name))return;const o=Lf(i.attributeNewValue,t),r=Lf(i.attributeOldValue,t),s=n.mapper.toViewElement(i.item),a=n.writer;r&&a.removeClass(r.className,s),o&&a.addClass(o.className,s)}}(o);n.downcastDispatcher.on("attribute:imageStyle:image",r),i.downcastDispatcher.on("attribute:imageStyle:image",r),i.upcastDispatcher.on("element:figure",function(t){const e=t.filter(t=>!t.isDefault);return(t,i,n)=>{if(!i.modelRange)return;const o=i.viewItem,r=ah(i.modelRange.getItems());if(n.schema.checkAttribute(r,"imageStyle"))for(const t of e)n.consumable.consume(o,{classes:t.className})&&n.writer.setAttribute("imageStyle",t.name,r)}}(o),{priority:"low"}),t.commands.add("imageStyle",new Df(t,o))}}i(72);class Yf extends Yl{static get pluginName(){return"ImageStyleUI"}get localizedDefaultStylesTitles(){const t=this.editor.t;return{"Full size image":t("aa"),"Side image":t("ab"),"Left aligned image":t("ac"),"Centered image":t("ad"),"Right aligned image":t("ae")}}init(){const t=function(t,e){for(const i of t)e[i.title]&&(i.title=e[i.title]);return t}(Hf(this.editor.config.get("image.styles")),this.localizedDefaultStylesTitles);for(const e of t)this._createButton(e)}_createButton(t){const e=this.editor,i="imageStyle:"+t.name;e.ui.componentFactory.add(i,i=>{const n=e.commands.get("imageStyle"),o=new Ml(i);return o.set({label:t.title,icon:t.icon,tooltip:!0,isToggleable:!0}),o.bind("isEnabled").to(n,"isEnabled"),o.bind("isOn").to(n,"value",e=>e===t.name),this.listenTo(o,"execute",()=>{e.execute("imageStyle",{value:t.name}),e.editing.view.focus()}),o})}}class $f extends Yl{static get requires(){return[$u]}static get pluginName(){return"WidgetToolbarRepository"}init(){const t=this.editor;if(t.plugins.has("BalloonToolbar")){const e=t.plugins.get("BalloonToolbar");this.listenTo(e,"show",e=>{(function(t){const e=t.getSelectedElement();return!(!e||!_h(e))})(t.editing.view.document.selection)&&e.stop()},{priority:"high"})}this._toolbarDefinitions=new Map,this._balloon=this.editor.plugins.get("ContextualBalloon"),this.on("change:isEnabled",()=>{this._updateToolbarsVisibility()}),this.listenTo(t.ui,"update",()=>{this._updateToolbarsVisibility()}),this.listenTo(t.ui.focusTracker,"change:isFocused",()=>{this._updateToolbarsVisibility()},{priority:"low"})}destroy(){super.destroy();for(const t of this._toolbarDefinitions.values())t.view.destroy()}register(t,{ariaLabel:e,items:i,getRelatedElement:n,balloonClassName:o="ck-toolbar-container"}){const r=this.editor,s=r.t,a=new Bl(r.locale);if(a.ariaLabel=e||s("bk"),this._toolbarDefinitions.has(t))throw new hi.b("widget-toolbar-duplicated: Toolbar with the given id was already added.",this,{toolbarId:t});a.fillFromConfig(i,r.ui.componentFactory),this._toolbarDefinitions.set(t,{view:a,getRelatedElement:n,balloonClassName:o})}_updateToolbarsVisibility(){let t=0,e=null,i=null;for(const n of this._toolbarDefinitions.values()){const o=n.getRelatedElement(this.editor.editing.view.document.selection);if(this.isEnabled&&o)if(this.editor.ui.focusTracker.isFocused){const r=o.getAncestors().length;r>t&&(t=r,e=o,i=n)}else this._isToolbarVisible(n)&&this._hideToolbar(n);else this._isToolbarInBalloon(n)&&this._hideToolbar(n)}i&&this._showToolbar(i,e)}_hideToolbar(t){this._balloon.remove(t.view),this.stopListening(this._balloon,"change:visibleView")}_showToolbar(t,e){this._isToolbarVisible(t)?Gf(this.editor,e):this._isToolbarInBalloon(t)||(this._balloon.add({view:t.view,position:Qf(this.editor,e),balloonClassName:t.balloonClassName}),this.listenTo(this._balloon,"change:visibleView",()=>{for(const t of this._toolbarDefinitions.values())if(this._isToolbarVisible(t)){const e=t.getRelatedElement(this.editor.editing.view.document.selection);Gf(this.editor,e)}}))}_isToolbarVisible(t){return this._balloon.visibleView===t.view}_isToolbarInBalloon(t){return this._balloon.hasView(t.view)}}function Gf(t,e){const i=t.plugins.get("ContextualBalloon"),n=Qf(t,e);i.updatePosition(n)}function Qf(t,e){const i=t.editing.view,n=Uu.defaultPositions;return{target:i.domConverter.mapViewToDom(e),positions:[n.northArrowSouth,n.northArrowSouthWest,n.northArrowSouthEast,n.southArrowNorth,n.southArrowNorthWest,n.southArrowNorthEast]}}class Kf extends Zl{constructor(t){super(t),this._childCommands=[]}refresh(){}execute(...t){this._getFirstEnabledCommand().execute(t)}registerChildCommand(t){this._childCommands.push(t),t.on("change:isEnabled",()=>this._checkEnabled()),this._checkEnabled()}_checkEnabled(){this.isEnabled=!!this._getFirstEnabledCommand()}_getFirstEnabledCommand(){return this._childCommands.find(t=>t.isEnabled)}}class Jf extends Yl{static get pluginName(){return"IndentEditing"}init(){const t=this.editor;t.commands.add("indent",new Kf(t)),t.commands.add("outdent",new Kf(t))}}var Zf='<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>',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 1.5zm1.618-9.55L.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 tm extends Yl{static get pluginName(){return"IndentUI"}init(){const t=this.editor,e=t.locale,i=t.t,n="ltr"==e.uiLanguageDirection?Zf:Xf,o="ltr"==e.uiLanguageDirection?Xf:Zf;this._defineButton("indent",i("ag"),n),this._defineButton("outdent",i("ah"),o)}_defineButton(t,e,i){const n=this.editor;n.ui.componentFactory.add(t,o=>{const r=n.commands.get(t),s=new Ml(o);return s.set({label:e,icon:i,tooltip:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),this.listenTo(s,"execute",()=>{n.execute(t),n.editing.view.focus()}),s})}}class em extends Nr{constructor(t){super(t),this.domEventType="click"}onDomEvent(t){this.fire(t.type,t)}}i(74);class im extends rl{constructor(t,e=[]){super(t);const i=t.t;this.focusTracker=new Ec,this.keystrokes=new vc,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(i("bs"),ju,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(i("bt"),Vu,"ck-button-cancel","cancel"),this._manualDecoratorSwitches=this._createManualDecoratorSwitches(e),this.children=this._createFormChildren(e),this._focusables=new zc,this._focusCycler=new bl({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});const n=["ck","ck-link-form"];e.length&&n.push("ck-link-form_layout-vertical"),this.setTemplate({tag:"form",attributes:{class:n,tabindex:"-1"},children:this.children})}getDecoratorSwitchesState(){return Array.from(this._manualDecoratorSwitches).reduce((t,e)=>(t[e.name]=e.isOn,t),{})}render(){super.render(),Lu({view:this}),[this.urlInputView,...this._manualDecoratorSwitches,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createUrlInput(){const t=this.locale.t,e=new Ru(this.locale,Du);return e.label=t("cl"),e.inputView.placeholder="https://example.com",e}_createButton(t,e,i,n){const o=new Ml(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.extendTemplate({attributes:{class:i}}),n&&o.delegate("execute").to(this,n),o}_createManualDecoratorSwitches(t){const e=this.createCollection();for(const i of t){const t=new Dl(this.locale);t.set({name:i.id,label:i.label,withText:!0}),t.bind("isOn").to(i,"value"),t.on("execute",()=>{i.set("value",!t.isOn)}),e.add(t)}return e}_createFormChildren(t){const e=this.createCollection();if(e.add(this.urlInputView),t.length){const t=new rl;t.setTemplate({tag:"ul",children:this._manualDecoratorSwitches.map(t=>({tag:"li",children:[t],attributes:{class:["ck","ck-list__item"]}})),attributes:{class:["ck","ck-reset","ck-list"]}}),e.add(t)}return e.add(this.saveButtonView),e.add(this.cancelButtonView),e}}i(76);class nm extends rl{constructor(t){super(t);const e=t.t;this.focusTracker=new Ec,this.keystrokes=new vc,this.previewButtonView=this._createPreviewButton(),this.unlinkButtonView=this._createButton(e("ch"),'<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(e("ci"),'<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 zc,this._focusCycler=new bl({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(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createButton(t,e,i){const n=new Ml(this.locale);return n.set({label:t,icon:e,tooltip:!0}),n.delegate("execute").to(this,i),n}_createPreviewButton(){const t=new Ml(this.locale),e=this.bindTemplate,i=this.t;return t.set({withText:!0,tooltip:i("cj")}),t.extendTemplate({attributes:{class:["ck","ck-link-actions__preview"],href:e.to("href",t=>t&&ru(t)),target:"_blank",rel:"noopener noreferrer"}}),t.bind("label").to(this,"href",t=>t||i("ck")),t.bind("isEnabled").to(this,"href",t=>!!t),t.template.tag="a",t.template.eventListeners={},t}}class om extends Yl{static get requires(){return[$u]}static get pluginName(){return"LinkUI"}init(){const t=this.editor;t.editing.view.addObserver(em),this.actionsView=this._createActionsView(),this.formView=this._createFormView(),this._balloon=t.plugins.get($u),this._createToolbarLinkButton(),this._enableUserBalloonInteractions()}destroy(){super.destroy(),this.formView.destroy()}_createActionsView(){const t=this.editor,e=new nm(t.locale),i=t.commands.get("link"),n=t.commands.get("unlink");return e.bind("href").to(i,"value"),e.editButtonView.bind("isEnabled").to(i),e.unlinkButtonView.bind("isEnabled").to(n),this.listenTo(e,"edit",()=>{this._addFormView()}),this.listenTo(e,"unlink",()=>{t.execute("unlink"),this._hideUI()}),e.keystrokes.set("Esc",(t,e)=>{this._hideUI(),e()}),e.keystrokes.set("Ctrl+K",(t,e)=>{this._addFormView(),e()}),e}_createFormView(){const t=this.editor,e=t.commands.get("link"),i=new im(t.locale,e.manualDecorators);return i.urlInputView.bind("value").to(e,"value"),i.urlInputView.bind("isReadOnly").to(e,"isEnabled",t=>!t),i.saveButtonView.bind("isEnabled").to(e),this.listenTo(i,"submit",()=>{t.execute("link",i.urlInputView.inputView.element.value,i.getDecoratorSwitchesState()),this._closeFormView()}),this.listenTo(i,"cancel",()=>{this._closeFormView()}),i.keystrokes.set("Esc",(t,e)=>{this._closeFormView(),e()}),i}_createToolbarLinkButton(){const t=this.editor,e=t.commands.get("link"),i=t.t;t.keystrokes.set("Ctrl+K",(t,e)=>{e(),this._showUI(!0)}),t.ui.componentFactory.add("link",t=>{const n=new Ml(t);return n.isEnabled=!0,n.label=i("aj"),n.icon='<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>',n.keystroke="Ctrl+K",n.tooltip=!0,n.isToggleable=!0,n.bind("isEnabled").to(e,"isEnabled"),n.bind("isOn").to(e,"value",t=>!!t),this.listenTo(n,"execute",()=>this._showUI(!0)),n})}_enableUserBalloonInteractions(){const t=this.editor.editing.view.document;this.listenTo(t,"click",()=>{this._getSelectedLinkElement()&&this._showUI()}),this.editor.keystrokes.set("Tab",(t,e)=>{this._areActionsVisible&&!this.actionsView.focusTracker.isFocused&&(this.actionsView.focus(),e())},{priority:"high"}),this.editor.keystrokes.set("Esc",(t,e)=>{this._isUIVisible&&(this._hideUI(),e())}),Ll({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 t=this.editor.commands.get("link");this._balloon.add({view:this.formView,position:this._getBalloonPositionData()}),this._balloon.visibleView===this.formView&&this.formView.urlInputView.select(),this.formView.urlInputView.inputView.element.value=t.value||""}_closeFormView(){const t=this.editor.commands.get("link");t.restoreManualDecoratorStates(),void 0!==t.value?this._removeFormView():this._hideUI()}_removeFormView(){this._isFormInPanel&&(this.formView.saveButtonView.focus(),this._balloon.remove(this.formView),this.editor.editing.view.focus())}_showUI(t=!1){this._getSelectedLinkElement()?(this._areActionsVisible?this._addFormView():this._addActionsView(),t&&this._balloon.showStack("main")):(this._addActionsView(),t&&this._balloon.showStack("main"),this._addFormView()),this._startUpdatingUI()}_hideUI(){if(!this._isUIInPanel)return;const t=this.editor;this.stopListening(t.ui,"update"),this.stopListening(this._balloon,"change:visibleView"),t.editing.view.focus(),this._removeFormView(),this._balloon.remove(this.actionsView)}_startUpdatingUI(){const t=this.editor,e=t.editing.view.document;let i=this._getSelectedLinkElement(),n=r();const o=()=>{const t=this._getSelectedLinkElement(),e=r();i&&!t||!i&&e!==n?this._hideUI():this._isUIVisible&&this._balloon.updatePosition(this._getBalloonPositionData()),i=t,n=e};function r(){return e.selection.focus.getAncestors().reverse().find(t=>t.is("element"))}this.listenTo(t.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 t=this.editor.editing.view,e=t.document,i=this._getSelectedLinkElement();return{target:i?t.domConverter.mapViewToDom(i):t.domConverter.viewRangeToDom(e.selection.getFirstRange())}}_getSelectedLinkElement(){const t=this.editor.editing.view,e=t.document.selection;if(e.isCollapsed)return rm(e.getFirstPosition());{const i=e.getFirstRange().getTrimmed(),n=rm(i.start),o=rm(i.end);return n&&n==o&&t.createRangeIn(n).getTrimmed().isEqual(i)?n:null}}}function rm(t){return t.getAncestors().find(t=>{return(e=t).is("attributeElement")&&!!e.getCustomProperty("link");var e})}class sm extends Zl{constructor(t,e){super(t),this.type=e}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model,e=t.document,i=Array.from(e.selection.getSelectedBlocks()).filter(e=>cm(e,t.schema)),n=!0===this.value;t.change(t=>{if(n){let e=i[i.length-1].nextSibling,n=Number.POSITIVE_INFINITY,o=[];for(;e&&"listItem"==e.name&&0!==e.getAttribute("listIndent");){const t=e.getAttribute("listIndent");t<n&&(n=t);const i=t-n;o.push({element:e,listIndent:i}),e=e.nextSibling}o=o.reverse();for(const e of o)t.setAttribute("listIndent",e.listIndent,e.element)}if(!n){let t=Number.POSITIVE_INFINITY;for(const e of i)e.is("listItem")&&e.getAttribute("listIndent")<t&&(t=e.getAttribute("listIndent"));t=0===t?1:t,am(i,!0,t),am(i,!1,t)}for(const e of i.reverse())n&&"listItem"==e.name?t.rename(e,"paragraph"):n||"listItem"==e.name?n||"listItem"!=e.name||e.getAttribute("listType")==this.type||t.setAttribute("listType",this.type,e):(t.setAttributes({listType:this.type,listIndent:0},e),t.rename(e,"listItem"))})}_getValue(){const t=ah(this.editor.model.document.selection.getSelectedBlocks());return!!t&&t.is("listItem")&&t.getAttribute("listType")==this.type}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,i=ah(t.getSelectedBlocks());return!!i&&cm(i,e)}}function am(t,e,i){const n=e?t[0]:t[t.length-1];if(n.is("listItem")){let o=n[e?"previousSibling":"nextSibling"],r=n.getAttribute("listIndent");for(;o&&o.is("listItem")&&o.getAttribute("listIndent")>=i;)r>o.getAttribute("listIndent")&&(r=o.getAttribute("listIndent")),o.getAttribute("listIndent")==r&&t[e?"unshift":"push"](o),o=o[e?"previousSibling":"nextSibling"]}}function cm(t,e){return e.checkChild(t.parent,"listItem")&&!e.isObject(t)}class lm extends Zl{constructor(t,e){super(t),this._indentBy="forward"==e?1:-1}refresh(){this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model,e=t.document;let i=Array.from(e.selection.getSelectedBlocks());t.change(t=>{const e=i[i.length-1];let n=e.nextSibling;for(;n&&"listItem"==n.name&&n.getAttribute("listIndent")>e.getAttribute("listIndent");)i.push(n),n=n.nextSibling;this._indentBy<0&&(i=i.reverse());for(const e of i){const i=e.getAttribute("listIndent")+this._indentBy;i<0?t.rename(e,"paragraph"):t.setAttribute("listIndent",i,e)}})}_checkEnabled(){const t=ah(this.editor.model.document.selection.getSelectedBlocks());if(!t||!t.is("listItem"))return!1;if(this._indentBy>0){const e=t.getAttribute("listIndent"),i=t.getAttribute("listType");let n=t.previousSibling;for(;n&&n.is("listItem")&&n.getAttribute("listIndent")>=e;){if(n.getAttribute("listIndent")==e)return n.getAttribute("listType")==i;n=n.previousSibling}return!1}return!0}}function dm(t,e){const i=e.mapper,n=e.writer,o="numbered"==t.getAttribute("listType")?"ol":"ul",r=function(t){const e=t.createContainerElement("li");return e.getFillerOffset=pm,e}(n),s=n.createContainerElement(o,null);return n.insert(n.createPositionAt(s,0),r),i.bindElements(t,r),r}function hm(t,e,i,n){const o=e.parent,r=i.mapper,s=i.writer;let a=r.toViewPosition(n.createPositionBefore(t));const c=mm(t.previousSibling,{sameIndent:!0,smallerIndent:!0,listIndent:t.getAttribute("listIndent")}),l=t.previousSibling;if(c&&c.getAttribute("listIndent")==t.getAttribute("listIndent")){const t=r.toViewElement(c);a=s.breakContainer(s.createPositionAfter(t))}else a=l&&"listItem"==l.name?r.toViewPosition(n.createPositionAt(l,"end")):r.toViewPosition(n.createPositionBefore(t));if(a=fm(a),s.insert(a,o),l&&"listItem"==l.name){const t=r.toViewElement(l),i=s.createRange(s.createPositionAt(t,0),a).getWalker({ignoreElementEnd:!0});for(const t of i)if(t.item.is("li")){const n=s.breakContainer(s.createPositionBefore(t.item)),o=t.item.parent,r=s.createPositionAt(e,"end");um(s,r.nodeBefore,r.nodeAfter),s.move(s.createRangeOn(o),r),i.position=n}}else{const i=o.nextSibling;if(i&&(i.is("ul")||i.is("ol"))){let n=null;for(const e of i.getChildren()){const i=r.toModelElement(e);if(!(i&&i.getAttribute("listIndent")>t.getAttribute("listIndent")))break;n=e}n&&(s.breakContainer(s.createPositionAfter(n)),s.move(s.createRangeOn(n.parent),s.createPositionAt(e,"end")))}}um(s,o,o.nextSibling),um(s,o.previousSibling,o)}function um(t,e,i){return!e||!i||"ul"!=e.name&&"ol"!=e.name||e.name!=i.name||e.getAttribute("class")!==i.getAttribute("class")?null:t.mergeContainers(t.createPositionAfter(e))}function fm(t){return t.getLastMatchingPosition(t=>t.item.is("uiElement"))}function mm(t,e){const i=!!e.sameIndent,n=!!e.smallerIndent,o=e.listIndent;let r=t;for(;r&&"listItem"==r.name;){const t=r.getAttribute("listIndent");if(i&&o==t||n&&o>t)return r;r=r.previousSibling}return null}function gm(t,e,i,n){t.ui.componentFactory.add(e,o=>{const r=t.commands.get(e),s=new Ml(o);return s.set({label:i,icon:n,tooltip:!0,isToggleable:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),s.on("execute",()=>{t.execute(e),t.editing.view.focus()}),s})}function pm(){const t=!this.isEmpty&&("ul"==this.getChild(0).name||"ol"==this.getChild(0).name);return this.isEmpty||t?0:Ln.call(this)}function bm(t){return(e,i,n)=>{const o=n.consumable;if(!o.test(i.item,"insert")||!o.test(i.item,"attribute:listType")||!o.test(i.item,"attribute:listIndent"))return;o.consume(i.item,"insert"),o.consume(i.item,"attribute:listType"),o.consume(i.item,"attribute:listIndent");const r=i.item;hm(r,dm(r,n),n,t)}}function wm(t,e,i){if(!i.consumable.consume(e.item,"attribute:listType"))return;const n=i.mapper.toViewElement(e.item),o=i.writer;o.breakContainer(o.createPositionBefore(n)),o.breakContainer(o.createPositionAfter(n));const r=n.parent,s="numbered"==e.attributeNewValue?"ol":"ul";o.rename(s,r)}function km(t,e,i){const n=i.mapper.toViewElement(e.item).parent,o=i.writer;um(o,n,n.nextSibling),um(o,n.previousSibling,n);for(const t of e.item.getChildren())i.consumable.consume(t,"insert")}function _m(t,e,i){if("listItem"!=e.item.name){let t=i.mapper.toViewPosition(e.range.start);const n=i.writer,o=[];for(;("ul"==t.parent.name||"ol"==t.parent.name)&&(t=n.breakContainer(t),"li"==t.parent.name);){const e=t,i=n.createPositionAt(t.parent,"end");if(!e.isEqual(i)){const t=n.remove(n.createRange(e,i));o.push(t)}t=n.createPositionAfter(t.parent)}if(o.length>0){for(let e=0;e<o.length;e++){const i=t.nodeBefore;if(t=n.insert(t,o[e]).end,e>0){const e=um(n,i,i.nextSibling);e&&e.parent==i&&t.offset--}}um(n,t.nodeBefore,t.nodeAfter)}}}function vm(t,e,i){const n=i.mapper.toViewPosition(e.position),o=n.nodeBefore,r=n.nodeAfter;um(i.writer,o,r)}function ym(t,e,i){if(i.consumable.consume(e.viewItem,{name:!0})){const t=i.writer,n=t.createElement("listItem"),o=function(t){let e=0,i=t.parent;for(;i;){if(i.is("li"))e++;else{const t=i.previousSibling;t&&t.is("li")&&e++}i=i.parent}return e}(e.viewItem);t.setAttribute("listIndent",o,n);const r=e.viewItem.parent&&"ol"==e.viewItem.parent.name?"numbered":"bulleted";t.setAttribute("listType",r,n);const s=i.splitToAllowedParent(n,e.modelCursor);if(!s)return;t.insert(n,s.position);const a=function(t,e,i){const{writer:n,schema:o}=i;let r=n.createPositionAfter(t);for(const s of e)if("ul"==s.name||"ol"==s.name)r=i.convertItem(s,r).modelCursor;else{const e=i.convertItem(s,n.createPositionAt(t,"end")),a=e.modelRange.start.nodeAfter;a&&a.is("element")&&!o.checkChild(t,a.name)&&(t=e.modelCursor.parent.is("listItem")?e.modelCursor.parent:Pm(e.modelCursor),r=n.createPositionAfter(t))}return r}(n,e.viewItem.getChildren(),i);e.modelRange=t.createRange(e.modelCursor,a),s.cursorParent?e.modelCursor=t.createPositionAt(s.cursorParent,0):e.modelCursor=e.modelRange.end}}function xm(t,e,i){if(i.consumable.test(e.viewItem,{name:!0})){const t=Array.from(e.viewItem.getChildren());for(const e of t){!(e.is("li")||Mm(e))&&e._remove()}}}function Am(t,e,i){if(i.consumable.test(e.viewItem,{name:!0})){if(0===e.viewItem.childCount)return;const t=[...e.viewItem.getChildren()];let i=!1,n=!0;for(const e of t)i&&!Mm(e)&&e._remove(),e.is("text")?(n&&(e._data=e.data.replace(/^\s+/,"")),e.nextSibling&&!Mm(e.nextSibling)||(e._data=e.data.replace(/\s+$/,""))):Mm(e)&&(i=!0),n=!1}}function Tm(t){return(e,i)=>{if(i.isPhantom)return;const n=i.modelPosition.nodeBefore;if(n&&n.is("listItem")){const e=i.mapper.toViewElement(n),o=e.getAncestors().find(Mm),r=t.createPositionAt(e,0).getWalker();for(const t of r){if("elementStart"==t.type&&t.item.is("li")){i.viewPosition=t.previousPosition;break}if("elementEnd"==t.type&&t.item==o){i.viewPosition=t.nextPosition;break}}}}}function Cm(t,[e,i]){let n,o=e.is("documentFragment")?e.getChild(0):e;if(n=i?this.createSelection(i):this.document.selection,o&&o.is("listItem")){const t=n.getFirstPosition();let e=null;if(t.parent.is("listItem")?e=t.parent:t.nodeBefore&&t.nodeBefore.is("listItem")&&(e=t.nodeBefore),e){const t=e.getAttribute("listIndent");if(t>0)for(;o&&o.is("listItem");)o._setAttribute("listIndent",o.getAttribute("listIndent")+t),o=o.nextSibling}}}function Pm(t){const e=new bs({startPosition:t});let i;do{i=e.next()}while(!i.value.item.is("listItem"));return i.value.item}function Sm(t,e,i,n,o,r){const s=mm(e.nodeBefore,{sameIndent:!0,smallerIndent:!0,listIndent:t,foo:"b"}),a=o.mapper,c=o.writer,l=s?s.getAttribute("listIndent"):null;let d;if(s)if(l==t){const t=a.toViewElement(s).parent;d=c.createPositionAfter(t)}else{const t=r.createPositionAt(s,"end");d=a.toViewPosition(t)}else d=i;d=fm(d);for(const t of[...n.getChildren()])Mm(t)&&(d=c.move(c.createRangeOn(t),d).end,um(c,t,t.nextSibling),um(c,t.previousSibling,t))}function Mm(t){return t.is("ol")||t.is("ul")}class Em extends Yl{static get pluginName(){return"ListEditing"}static get requires(){return[_f]}init(){const t=this.editor;t.model.schema.register("listItem",{inheritAllFrom:"$block",allowAttributes:["listType","listIndent"]});const e=t.data,i=t.editing;var n;t.model.document.registerPostFixer(e=>function(t,e){const i=t.document.differ.getChanges(),n=new Map;let o=!1;for(const n of i)if("insert"==n.type&&"listItem"==n.name)r(n.position);else if("insert"==n.type&&"listItem"!=n.name){if("$text"!=n.name){const i=n.position.nodeAfter;i.hasAttribute("listIndent")&&(e.removeAttribute("listIndent",i),o=!0),i.hasAttribute("listType")&&(e.removeAttribute("listType",i),o=!0);for(const e of Array.from(t.createRangeIn(i)).filter(t=>t.item.is("listItem")))r(e.previousPosition)}r(n.position.getShiftedBy(n.length))}else"remove"==n.type&&"listItem"==n.name?r(n.position):("attribute"==n.type&&"listIndent"==n.attributeKey||"attribute"==n.type&&"listType"==n.attributeKey)&&r(n.range.start);for(const t of n.values())s(t),a(t);return o;function r(t){const e=t.nodeBefore;if(e&&e.is("listItem")){let i=e;if(n.has(i))return;for(;i.previousSibling&&i.previousSibling.is("listItem");)if(i=i.previousSibling,n.has(i))return;n.set(t.nodeBefore,i)}else{const e=t.nodeAfter;e&&e.is("listItem")&&n.set(e,e)}}function s(t){let i=0,n=null;for(;t&&t.is("listItem");){const r=t.getAttribute("listIndent");if(r>i){let s;null===n?(n=r-i,s=i):(n>r&&(n=r),s=r-n),e.setAttribute("listIndent",s,t),o=!0}else n=null,i=t.getAttribute("listIndent")+1;t=t.nextSibling}}function a(t){let i=[],n=null;for(;t&&t.is("listItem");){const r=t.getAttribute("listIndent");if(n&&n.getAttribute("listIndent")>r&&(i=i.slice(0,r+1)),0!=r)if(i[r]){const n=i[r];t.getAttribute("listType")!=n&&(e.setAttribute("listType",n,t),o=!0)}else i[r]=t.getAttribute("listType");n=t,t=t.nextSibling}}}(t.model,e)),i.mapper.registerViewToModelLength("li",Im),e.mapper.registerViewToModelLength("li",Im),i.mapper.on("modelToViewPosition",Tm(i.view)),i.mapper.on("viewToModelPosition",(n=t.model,(t,e)=>{const i=e.viewPosition,o=i.parent,r=e.mapper;if("ul"==o.name||"ol"==o.name){if(i.isAtEnd){const t=r.toModelElement(i.nodeBefore),o=r.getModelLength(i.nodeBefore);e.modelPosition=n.createPositionBefore(t).getShiftedBy(o)}else{const t=r.toModelElement(i.nodeAfter);e.modelPosition=n.createPositionBefore(t)}t.stop()}else if("li"==o.name&&i.nodeBefore&&("ul"==i.nodeBefore.name||"ol"==i.nodeBefore.name)){const s=r.toModelElement(o);let a=1,c=i.nodeBefore;for(;c&&Mm(c);)a+=r.getModelLength(c),c=c.previousSibling;e.modelPosition=n.createPositionBefore(s).getShiftedBy(a),t.stop()}})),e.mapper.on("modelToViewPosition",Tm(i.view)),t.conversion.for("editingDowncast").add(e=>{e.on("insert",_m,{priority:"high"}),e.on("insert:listItem",bm(t.model)),e.on("attribute:listType:listItem",wm,{priority:"high"}),e.on("attribute:listType:listItem",km,{priority:"low"}),e.on("attribute:listIndent:listItem",function(t){return(e,i,n)=>{if(!n.consumable.consume(i.item,"attribute:listIndent"))return;const o=n.mapper.toViewElement(i.item),r=n.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&&um(r,a,a.nextSibling),Sm(i.attributeOldValue+1,i.range.start,c.start,o,n,t),hm(i.item,o,n,t);for(const t of i.item.getChildren())n.consumable.consume(t,"insert")}}(t.model)),e.on("remove:listItem",function(t){return(e,i,n)=>{const o=n.mapper.toViewPosition(i.position).getLastMatchingPosition(t=>!t.item.is("li")).nodeAfter,r=n.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&&um(r,a,a.nextSibling),Sm(n.mapper.toModelElement(o).getAttribute("listIndent")+1,i.position,c.start,o,n,t);for(const t of r.createRangeIn(l).getItems())n.mapper.unbindViewElement(t);e.stop()}}(t.model)),e.on("remove",vm,{priority:"low"})}),t.conversion.for("dataDowncast").add(e=>{e.on("insert",_m,{priority:"high"}),e.on("insert:listItem",bm(t.model))}),t.conversion.for("upcast").add(t=>{t.on("element:ul",xm,{priority:"high"}),t.on("element:ol",xm,{priority:"high"}),t.on("element:li",Am,{priority:"high"}),t.on("element:li",ym)}),t.model.on("insertContent",Cm,{priority:"high"}),t.commands.add("numberedList",new sm(t,"numbered")),t.commands.add("bulletedList",new sm(t,"bulleted")),t.commands.add("indentList",new lm(t,"forward")),t.commands.add("outdentList",new lm(t,"backward"));const o=i.view.document;this.listenTo(o,"enter",(t,e)=>{const i=this.editor.model.document,n=i.selection.getLastPosition().parent;i.selection.isCollapsed&&"listItem"==n.name&&n.isEmpty&&(this.editor.execute("outdentList"),e.preventDefault(),t.stop())}),this.listenTo(o,"delete",(t,e)=>{if("backward"!==e.direction)return;const i=this.editor.model.document.selection;if(!i.isCollapsed)return;const n=i.getFirstPosition();if(!n.isAtStart)return;const o=n.parent;"listItem"===o.name&&(o.previousSibling&&"listItem"===o.previousSibling.name||(this.editor.execute("outdentList"),e.preventDefault(),t.stop()))},{priority:"high"});const r=t=>(e,i)=>{this.editor.commands.get(t).isEnabled&&(this.editor.execute(t),i())};t.keystrokes.set("Tab",r("indentList")),t.keystrokes.set("Shift+Tab",r("outdentList"))}afterInit(){const t=this.editor.commands,e=t.get("indent"),i=t.get("outdent");e&&e.registerChildCommand(t.get("indentList")),i&&i.registerChildCommand(t.get("outdentList"))}}function Im(t){let e=1;for(const i of t.getChildren())if("ul"==i.name||"ol"==i.name)for(const t of i.getChildren())e+=Im(t);return e}class Nm extends Yl{init(){const t=this.editor.t;gm(this.editor,"numberedList",t("ak"),'<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>'),gm(this.editor,"bulletedList",t("al"),'<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 Om(t,e){return t=>{t.on("attribute:url:media",i)};function i(i,n,o){if(!o.consumable.consume(n.item,i.name))return;const r=n.attributeNewValue,s=o.writer,a=o.mapper.toViewElement(n.item);s.remove(s.createRangeIn(a));const c=t.getMediaViewElement(s,r,e);s.insert(s.createPositionAt(a,0),c)}}function Rm(t,e,i,n){const o=t.createContainerElement("figure",{class:"media"});return o.getFillerOffset=jm,t.insert(t.createPositionAt(o,0),e.getMediaViewElement(t,i,n)),o}function Dm(t){const e=t.getSelectedElement();return e&&e.is("media")?e:null}function Lm(t,e,i){t.change(n=>{const o=n.createElement("media",{url:e});t.insertContent(o,i),n.setSelection(o,"on")})}function jm(){return null}class Vm extends Zl{refresh(){const t=this.editor.model,e=t.document.selection,i=t.schema,n=e.getFirstPosition(),o=Dm(e);let r=n.parent;r!=r.root&&(r=r.parent),this.value=o?o.getAttribute("url"):null,this.isEnabled=i.checkChild(r,"media")}execute(t){const e=this.editor.model,i=e.document.selection,n=Dm(i);if(n)e.change(e=>{e.setAttribute("url",t,n)});else{const n=Ah(i,e);Lm(e,t,n)}}}class zm{constructor(t,e){const i=e.providers,n=e.extraProviders||[],o=new Set(e.removeProviders),r=i.concat(n).filter(t=>{const e=t.name;return e?!o.has(e):(console.warn(Object(hi.a)("media-embed-no-provider-name: The configured media provider has no name and cannot be used."),{provider:t}),!1)});this.locale=t,this.providerDefinitions=r}hasMedia(t){return!!this._getMedia(t)}getMediaViewElement(t,e,i){return this._getMedia(e).getViewElement(t,i)}_getMedia(t){if(!t)return new Bm(this.locale);t=t.trim();for(const e of this.providerDefinitions){const i=e.html;let n=e.url;Array.isArray(n)||(n=[n]);for(const e of n){const n=this._getUrlMatches(t,e);if(n)return new Bm(this.locale,t,n,i)}}return null}_getUrlMatches(t,e){let i=t.match(e);if(i)return i;let n=t.replace(/^https?:\/\//,"");return i=n.match(e),i||(n=n.replace(/^www\./,""),i=n.match(e),i||null)}}class Bm{constructor(t,e,i,n){this.url=this._getValidUrl(e),this._t=t.t,this._match=i,this._previewRenderer=n}getViewElement(t,e){const i={};if(e.renderForEditingView||e.renderMediaPreview&&this.url&&this._previewRenderer){this.url&&(i["data-oembed-url"]=this.url),e.renderForEditingView&&(i.class="ck-media__wrapper");const n=this._getPreviewHtml(e);return t.createUIElement("div",i,(function(t){const e=this.toDomElement(t);return e.innerHTML=n,e}))}return this.url&&(i.url=this.url),t.createEmptyElement("oembed",i)}_getPreviewHtml(t){return this._previewRenderer?this._previewRenderer(this._match):this.url&&t.renderForEditingView?this._getPlaceholderHtml():""}_getPlaceholderHtml(){const t=new Sl,e=new Pl;return t.text=this._t("Open media in new tab"),e.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 2.032-.565 2.888-.603V4.516L49.076 7.447v9.556A1.014 1.014 0 0 0 49 17h-1.574zM29.5 17h-8.343a7.073 7.073 0 1 0-4.657 4.06v3.781H3.3a2.803 2.803 0 0 1-2.8-2.804V8.63a2.803 2.803 0 0 1 2.8-2.805h4.082L8.58 2.768A1.994 1.994 0 0 1 10.435 1.5h8.985c.773 0 1.477.448 1.805 1.149l1.488 3.177H26.7c1.546 0 2.8 1.256 2.8 2.805V17zm-11.637 0H17.5a1 1 0 0 0-1 1v.05A4.244 4.244 0 1 1 17.863 17zm29.684 2c.97 0 .953-.048.953.889v20.743c0 .953.016.905-.953.905H19.453c-.97 0-.953.048-.953-.905V19.89c0-.937-.016-.889.97-.889h28.077zm-4.701 19.338V22.183H24.154v16.155h18.692zM20.6 21.375v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616v-1.616H20.6zm0 3.231v1.616h1.616V37.53H20.6zm24.233-16.155v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615V37.53h-1.615zM29.485 25.283a.4.4 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>',e.viewBox="0 0 64 42",new Bc({tag:"div",attributes:{class:"ck ck-reset_all ck-media__placeholder"},children:[{tag:"div",attributes:{class:"ck-media__placeholder__icon"},children:[e]},{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]},t]}]}).render().outerHTML}_getValidUrl(t){return t?t.match(/^https?/)?t:"https://"+t:null}}i(78);class Fm extends Yl{static get pluginName(){return"MediaEmbedEditing"}constructor(t){super(t),t.config.define("mediaEmbed",{providers:[{name:"dailymotion",url:/^dailymotion\.com\/video\/(\w+)/,html:t=>`<div style="position: relative; padding-bottom: 100%; height: 0; "><iframe src="https://www.dailymotion.com/embed/video/${t[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:t=>`<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 126%;"><iframe src="https://open.spotify.com/embed/${t[1]}" style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" allowtransparency="true" allow="encrypted-media"></iframe></div>`},{name:"youtube",url:[/^(?:m\.)?youtube\.com\/watch\?v=([\w-]+)/,/^(?:m\.)?youtube\.com\/v\/([\w-]+)/,/^youtube\.com\/embed\/([\w-]+)/,/^youtu\.be\/([\w-]+)/],html:t=>`<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;"><iframe src="https://www.youtube.com/embed/${t[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:t=>`<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;"><iframe src="https://player.vimeo.com/video/${t[1]}" style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe></div>`},{name:"instagram",url:/^instagram\.com\/p\/(\w+)/},{name:"twitter",url:/^twitter\.com/},{name:"googleMaps",url:/^google\.com\/maps/},{name:"flickr",url:/^flickr\.com/},{name:"facebook",url:/^facebook\.com/}]}),this.registry=new zm(t.locale,t.config.get("mediaEmbed"))}init(){const t=this.editor,e=t.model.schema,i=t.t,n=t.conversion,o=t.config.get("mediaEmbed.previewsInData"),r=this.registry;t.commands.add("mediaEmbed",new Vm(t)),e.register("media",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["url"]}),n.for("dataDowncast").elementToElement({model:"media",view:(t,e)=>{const i=t.getAttribute("url");return Rm(e,r,i,{renderMediaPreview:i&&o})}}),n.for("dataDowncast").add(Om(r,{renderMediaPreview:o})),n.for("editingDowncast").elementToElement({model:"media",view:(t,e)=>{const n=t.getAttribute("url"),o=Rm(e,r,n,{renderForEditingView:!0});return s=o,a=e,c=i("an"),a.setCustomProperty("media",!0,s),vh(s,a,{label:c});var s,a,c}}),n.for("editingDowncast").add(Om(r,{renderForEditingView:!0})),n.for("upcast").elementToElement({view:{name:"oembed",attributes:{url:!0}},model:(t,e)=>{const i=t.getAttribute("url");if(r.hasMedia(i))return e.createElement("media",{url:i})}}).elementToElement({view:{name:"div",attributes:{"data-oembed-url":!0}},model:(t,e)=>{const i=t.getAttribute("data-oembed-url");if(r.hasMedia(i))return e.createElement("media",{url:i})}})}}const Um=/^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w.-]+)+[\w\-._~:/?#[\]@!$&'()*+,;=]+$/;class Hm extends Yl{static get requires(){return[Jl,Ud]}static get pluginName(){return"AutoMediaEmbed"}constructor(t){super(t),this._timeoutId=null,this._positionToInsert=null}init(){const t=this.editor,e=t.model.document;this.listenTo(t.plugins.get(Jl),"inputTransformation",()=>{const t=e.selection.getFirstRange(),i=oc.fromPosition(t.start);i.stickiness="toPrevious";const n=oc.fromPosition(t.end);n.stickiness="toNext",e.once("change:data",()=>{this._embedMediaBetweenPositions(i,n),i.detach(),n.detach()},{priority:"high"})}),t.commands.get("undo").on("execute",()=>{this._timeoutId&&(Xo.window.clearTimeout(this._timeoutId),this._positionToInsert.detach(),this._timeoutId=null,this._positionToInsert=null)},{priority:"high"})}_embedMediaBetweenPositions(t,e){const i=this.editor,n=i.plugins.get(Fm).registry,o=new Is(t,e),r=o.getWalker({ignoreElementEnd:!0});let s="";for(const t of r)t.item.is("textProxy")&&(s+=t.item.data);if(s=s.trim(),!s.match(Um))return;if(!n.hasMedia(s))return;i.commands.get("mediaEmbed").isEnabled&&(this._positionToInsert=oc.fromPosition(t),this._timeoutId=Xo.window.setTimeout(()=>{i.model.change(t=>{let e;this._timeoutId=null,t.remove(o),"$graveyard"!==this._positionToInsert.root.rootName&&(e=this._positionToInsert),Lm(i.model,s,e),this._positionToInsert.detach(),this._positionToInsert=null})},100))}}i(80);class qm extends rl{constructor(t,e){super(e);const i=e.t;this.focusTracker=new Ec,this.keystrokes=new vc,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(i("bs"),ju,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(i("bt"),Vu,"ck-button-cancel","cancel"),this._focusables=new zc,this._focusCycler=new bl({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this._validators=t,this.setTemplate({tag:"form",attributes:{class:["ck","ck-media-form"],tabindex:"-1"},children:[this.urlInputView,this.saveButtonView,this.cancelButtonView]})}render(){super.render(),Lu({view:this}),[this.urlInputView,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element);const t=t=>t.stopPropagation();this.keystrokes.set("arrowright",t),this.keystrokes.set("arrowleft",t),this.keystrokes.set("arrowup",t),this.keystrokes.set("arrowdown",t),this.listenTo(this.urlInputView.element,"selectstart",(t,e)=>{e.stopPropagation()},{priority:"high"})}focus(){this._focusCycler.focusFirst()}get url(){return this.urlInputView.inputView.element.value.trim()}set url(t){this.urlInputView.inputView.element.value=t.trim()}isValid(){this.resetFormStatus();for(const t of this._validators){const e=t(this);if(e)return this.urlInputView.errorText=e,!1}return!0}resetFormStatus(){this.urlInputView.errorText=null,this.urlInputView.infoText=this._urlInputViewInfoDefault}_createUrlInput(){const t=this.locale.t,e=new Ru(this.locale,Du),i=e.inputView;return this._urlInputViewInfoDefault=t("bu"),this._urlInputViewInfoTip=t("bv"),e.label=t("bw"),e.infoText=this._urlInputViewInfoDefault,i.placeholder="https://example.com",i.on("input",()=>{e.infoText=i.element.value?this._urlInputViewInfoTip:this._urlInputViewInfoDefault}),e}_createButton(t,e,i,n){const o=new Ml(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.extendTemplate({attributes:{class:i}}),n&&o.delegate("execute").to(this,n),o}}class Wm extends Yl{static get requires(){return[Fm]}static get pluginName(){return"MediaEmbedUI"}init(){const t=this.editor,e=t.commands.get("mediaEmbed"),i=t.plugins.get(Fm).registry;this.form=new qm(function(t,e){return[e=>{if(!e.url.length)return t("ap")},i=>{if(!e.hasMedia(i.url))return t("aq")}]}(t.t,i),t.locale),t.ui.componentFactory.add("mediaEmbed",i=>{const n=jl(i);return this._setUpDropdown(n,this.form,e,t),this._setUpForm(this.form,n,e),n})}_setUpDropdown(t,e,i){const n=this.editor,o=n.t,r=t.buttonView;function s(){n.editing.view.focus(),t.isOpen=!1}t.bind("isEnabled").to(i),t.panelView.children.add(e),r.set({label:o("ao"),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 01.593-.351l5.133 2.824a.4.4 0 010 .7l-5.133 2.824a.4.4 0 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t=this.editor,e=t.model.document.selection,i=t.plugins.get("TableUtils"),n="above"===this.order,o=n?e.getFirstPosition():e.getLastPosition(),r=((n?e.getFirstRange():e.getLastRange()).getContainedElement()||ng("tableCell",o)).parent,s=r.parent,a=s.getChildIndex(r);i.insertRows(s,{rows:1,at:"below"===this.order?a+1:a})}}class Lg extends Zl{constructor(t,e={}){super(t),this.order=e.order||"right"}refresh(){const t=ng("table",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,i=t.plugins.get("TableUtils"),n="left"===this.order,o=n?e.getFirstPosition():e.getLastPosition(),r=(n?e.getFirstRange():e.getLastRange()).getContainedElement()||ng("tableCell",o),s=r.parent.parent,{column:a}=i.getCellLocation(r);i.insertColumns(s,{columns:1,at:n?a:a+1})}}class jg extends Zl{constructor(t,e={}){super(t),this.direction=e.direction||"horizontally"}refresh(){const t=pg(this.editor.model.document.selection);this.isEnabled=1===t.length}execute(){const t=pg(this.editor.model.document.selection)[0],e="horizontally"===this.direction,i=this.editor.plugins.get("TableUtils");e?i.splitCellHorizontally(t,2):i.splitCellVertically(t,2)}}class Vg extends Zl{constructor(t,e){super(t),this.direction=e.direction,this.isHorizontal="right"==this.direction||"left"==this.direction}refresh(){const t=this._getMergeableCell();this.value=t,this.isEnabled=!!t}execute(){const t=this.editor.model,e=gg(t.document.selection)[0],i=this.value,n=this.direction;t.change(t=>{const o="right"==n||"down"==n,r=o?e:i,s=o?i:e,a=s.parent;!function(t,e,i){zg(t)||(zg(e)&&i.remove(i.createRangeIn(e)),i.move(i.createRangeIn(t),i.createPositionAt(e,"end")));i.remove(t)}(s,r,t);const c=this.isHorizontal?"colspan":"rowspan",l=parseInt(e.getAttribute(c)||1),d=parseInt(i.getAttribute(c)||1);t.setAttribute(c,l+d,r),t.setSelection(t.createRangeIn(r)),a.childCount||function(t,e){const i=t.parent,n=i.getChildIndex(t);for(const{cell:t,row:o,rowspan:r}of new dg(i,{endRow:n})){o+r-1>=n&&og("rowspan",r-1,t,e)}e.remove(t)}(a,t)})}_getMergeableCell(){const t=gg(this.editor.model.document.selection)[0];if(!t)return;const e=this.editor.plugins.get("TableUtils"),i=this.isHorizontal?function(t,e,i){const n=t.parent.parent,o="right"==e?t.nextSibling:t.previousSibling,r=(n.getAttribute("headingColumns")||0)>0;if(!o)return;const s="right"==e?t:o,a="right"==e?o:t,{column:c}=i.getCellLocation(s),{column:l}=i.getCellLocation(a),d=parseInt(s.getAttribute("colspan")||1),h=sg(i,s),u=sg(i,a);if(r&&h!=u)return;return c+d===l?o:void 0}(t,this.direction,e):function(t,e){const i=t.parent,n=i.parent,o=n.getChildIndex(i);if("down"==e&&o===n.childCount-1||"up"==e&&0===o)return;const r=parseInt(t.getAttribute("rowspan")||1),s=n.getAttribute("headingRows")||0,a="down"==e&&o+r===s,c="up"==e&&o===s;if(s&&(a||c))return;const l=parseInt(t.getAttribute("rowspan")||1),d="down"==e?o+l:o,h=[...new dg(n,{endRow:d})],u=h.find(e=>e.cell===t).column,f=h.find(({row:t,rowspan:i,column:n})=>n===u&&("down"==e?t===d:d===t+i));return f&&f.cell}(t,this.direction);if(!i)return;const n=this.isHorizontal?"rowspan":"colspan",o=parseInt(t.getAttribute(n)||1);return parseInt(i.getAttribute(n)||1)===o?i:void 0}}function zg(t){return 1==t.childCount&&t.getChild(0).is("paragraph")&&t.getChild(0).isEmpty}class Bg extends Zl{refresh(){const t=pg(this.editor.model.document.selection),e=t[0];if(e){const i=e.parent.parent,n=this.editor.plugins.get("TableUtils").getRows(i),o=[...new dg(i)].filter(e=>t.includes(e.cell)).map(t=>t.row),r=o[0],s=o[o.length-1];this.isEnabled=s-r<n-1}else this.isEnabled=!1}execute(){const t=pg(this.editor.model.document.selection),e=function(t){const e=t.map(t=>t.parent.index).sort();return{first:e[0],last:e[e.length-1]}}(t),i=t[0],n=i.parent.parent,o=[...new dg(n,{endRow:e.last})],r=this.editor.model.createBatch(),s=function(t,e){return t.find(t=>t.cell===e).column}(o,i);let a;this.editor.model.enqueueChange(r,t=>{t.setSelection(t.createSelection(n,"on"))});for(let t=e.last;t>=e.first;t--)this.editor.model.enqueueChange(r,e=>{const i=t;this._removeRow(i,n,e,o),a=Fg(n,i,s)});this.editor.model.enqueueChange(r,t=>{t.setSelection(t.createPositionAt(a,0))})}_removeRow(t,e,i,n){const o=new Map,r=e.getChild(t),s=e.getAttribute("headingRows")||0;s&&t<s&&og("headingRows",s-1,e,i,0),n.filter(({row:e,rowspan:i})=>e===t&&i>1).forEach(({column:t,cell:e,rowspan:i})=>o.set(t,{cell:e,rowspanToSet:i-1})),n.filter(({row:e,rowspan:i})=>e<=t-1&&e+i>t).forEach(({cell:t,rowspan:e})=>og("rowspan",e-1,t,i));const a=t+1,c=new dg(e,{includeSpanned:!0,startRow:a,endRow:a});let l;for(const{row:t,column:n,cell:r}of[...c])if(o.has(n)){const{cell:r,rowspanToSet:s}=o.get(n),a=l?i.createPositionAfter(l):i.createPositionAt(e.getChild(t),0);i.move(i.createRangeOn(r),a),og("rowspan",s,r,i),l=r}else l=r;i.remove(r)}}function Fg(t,e,i){const n=t.getChild(e)||t.getChild(t.childCount-1);let o=n.getChild(0),r=0;for(const t of n.getChildren()){if(r>i)return o;o=t,r+=parseInt(t.getAttribute("colspan")||1)}return o}class Ug extends Zl{refresh(){const t=pg(this.editor.model.document.selection),e=t[0];if(e){const i=e.parent.parent,n=this.editor.plugins.get("TableUtils").getColumns(i),o=[...new dg(i)].filter(e=>t.includes(e.cell)).map(t=>t.column).sort(),r=o[0],s=o[o.length-1];this.isEnabled=s-r<n-1}else this.isEnabled=!1}execute(){const[t,e]=function(t){const e=pg(t),i=e[0],n=e.pop(),o=[i,n];return i.isBefore(n)?o:o.reverse()}(this.editor.model.document.selection),i=t.parent.parent,n=[...new dg(i)],o={first:n.find(e=>e.cell===t).column,last:n.find(t=>t.cell===e).column},r=function(t,e,i,n){return parseInt(i.getAttribute("colspan")||1)>1?i:e.previousSibling||i.nextSibling?i.nextSibling||e.previousSibling:n.first?t.reverse().find(({column:t})=>t<n.first).cell:t.reverse().find(({column:t})=>t>n.last).cell}(n,t,e,o);this.editor.model.change(t=>{t.setSelection(t.createRangeOn(i)),function(t,e,i){const n=t.getAttribute("headingColumns")||0;if(n&&e.first<=n){const o=Math.min(n-1,e.last)-e.first+1;i.setAttribute("headingColumns",n-o,t)}}(i,o,t);for(let e=o.last;e>=o.first;e--)for(const{cell:i,column:o,colspan:r}of n)if(o<=e&&r>1&&o+r>e)og("colspan",r-1,i,t);else if(o===e){const e=i.parent;t.remove(i),e.childCount||t.remove(e)}t.setSelection(t.createPositionAt(r,0))})}}class Hg extends Zl{refresh(){const t=pg(this.editor.model.document.selection),e=t.length>0;this.isEnabled=e,this.value=e&&t.every(t=>this._isInHeading(t,t.parent.parent))}execute(t={}){const e=this.editor.model,i=pg(e.document.selection),n=i[0],o=i[i.length-1],r=n.parent.parent,s=r.getAttribute("headingRows")||0,[a,c]=[n.parent.index,o.parent.index].sort();if(t.forceValue===this.value)return;const l=this.value?a:c+1;e.change(t=>{if(l){const e=function(t,e,i){const n=[],o=new dg(t,{startRow:e>i?i:0,endRow:e-1});for(const{row:t,rowspan:i,cell:r}of o)i>1&&t+i>e&&n.push(r);return n}(r,l,s);for(const i of e)qg(i,l,t)}og("headingRows",l,r,t,0)})}_isInHeading(t,e){const i=parseInt(e.getAttribute("headingRows")||0);return!!i&&t.parent.index<i}}function qg(t,e,i){const n=t.parent,o=n.parent,r=e-n.index,s={},a=parseInt(t.getAttribute("rowspan"))-r;a>1&&(s.rowspan=a);const c=parseInt(t.getAttribute("colspan")||1);c>1&&(s.colspan=c);const l=o.getChildIndex(n),d=l+r,h=[...new dg(o,{startRow:l,endRow:d,includeSpanned:!0})];let u;for(const{row:e,column:n,cell:r,cellIndex:a}of h)if(r===t&&void 0===u&&(u=n),void 0!==u&&u===n&&e===d){const t=o.getChild(e),n=i.createPositionAt(t,a);rg(i,n,s)}og("rowspan",r,t,i)}class Wg extends Zl{refresh(){const t=pg(this.editor.model.document.selection),e=this.editor.plugins.get("TableUtils"),i=t.length>0;this.isEnabled=i,this.value=i&&t.every(t=>sg(e,t))}execute(t={}){const e=this.editor.model,i=this.editor.plugins.get("TableUtils"),n=pg(e.document.selection),o=n[0],r=n[n.length-1],s=o.parent.parent,[a,c]=[i.getCellLocation(o).column,i.getCellLocation(r).column].sort();if(t.forceValue===this.value)return;const l=this.value?a:c+1;e.change(t=>{og("headingColumns",l,s,t,0)})}}class Yg extends Yl{static get pluginName(){return"TableUtils"}getCellLocation(t){const e=t.parent,i=e.parent,n=i.getChildIndex(e),o=new dg(i,{startRow:n,endRow:n});for(const{cell:e,row:i,column:n}of o)if(e===t)return{row:i,column:n}}createTable(t,e,i){const n=t.createElement("table");return $g(t,n,0,e,i),n}insertRows(t,e={}){const i=this.editor.model,n=e.at||0,o=e.rows||1;i.change(e=>{const i=t.getAttribute("headingRows")||0;if(i>n&&e.setAttribute("headingRows",i+o,t),0===n||n===t.childCount)return void $g(e,t,n,o,this.getColumns(t));const r=new dg(t,{endRow:n});let s=0;for(const{row:t,rowspan:i,colspan:a,cell:c}of r){const r=t+i>n;t<n&&r&&e.setAttribute("rowspan",i+o,c),t===n&&(s+=a)}$g(e,t,n,o,s)})}insertColumns(t,e={}){const i=this.editor.model,n=e.at||0,o=e.columns||1;i.change(e=>{const i=t.getAttribute("headingColumns");n<i&&e.setAttribute("headingColumns",i+o,t);const r=this.getColumns(t);if(0===n||r===n){for(const i of t.getChildren())Gg(o,e,e.createPositionAt(i,n?"end":0));return}const s=new dg(t,{column:n,includeSpanned:!0});for(const{row:i,cell:r,cellIndex:a}of s){const c=parseInt(r.getAttribute("rowspan")||1),l=parseInt(r.getAttribute("colspan")||1);if(r.index!==n&&l>1){if(e.setAttribute("colspan",l+o,r),s.skipRow(i),c>1)for(let t=i+1;t<i+c;t++)s.skipRow(t)}else{const n=e.createPositionAt(t.getChild(i),a);Gg(o,e,n)}}})}splitCellVertically(t,e=2){const i=this.editor.model,n=t.parent.parent,o=parseInt(t.getAttribute("rowspan")||1),r=parseInt(t.getAttribute("colspan")||1);i.change(i=>{if(r>1){const{newCellsSpan:n,updatedSpan:s}=Qg(r,e);og("colspan",s,t,i);const a={};n>1&&(a.colspan=n),o>1&&(a.rowspan=o),Gg(r>e?e-1:r-1,i,i.createPositionAfter(t),a)}if(r<e){const s=e-r,a=[...new dg(n)],{column:c}=a.find(({cell:e})=>e===t),l=a.filter(({cell:e,colspan:i,column:n})=>e!==t&&n===c||n<c&&n+i>c);for(const{cell:t,colspan:e}of l)i.setAttribute("colspan",e+s,t);const d={};o>1&&(d.rowspan=o),Gg(s,i,i.createPositionAfter(t),d);const h=n.getAttribute("headingColumns")||0;h>c&&og("headingColumns",h+s,n,i)}})}splitCellHorizontally(t,e=2){const i=this.editor.model,n=t.parent,o=n.parent,r=o.getChildIndex(n),s=parseInt(t.getAttribute("rowspan")||1),a=parseInt(t.getAttribute("colspan")||1);i.change(i=>{if(s>1){const n=[...new dg(o,{startRow:r,endRow:r+s-1,includeSpanned:!0})],{newCellsSpan:c,updatedSpan:l}=Qg(s,e);og("rowspan",l,t,i);const{column:d}=n.find(({cell:e})=>e===t),h={};c>1&&(h.rowspan=c),a>1&&(h.colspan=a);for(const{column:t,row:e,cellIndex:s}of n){const n=t===d,a=(e+r+l)%c==0;if(e>=r+l&&n&&a){const t=i.createPositionAt(o.getChild(e),s);Gg(1,i,t,h)}}}if(s<e){const n=e-s,c=[...new dg(o,{startRow:0,endRow:r})];for(const{cell:e,rowspan:o,row:s}of c)if(e!==t&&s+o>r){const t=o+n;i.setAttribute("rowspan",t,e)}const l={};a>1&&(l.colspan=a),$g(i,o,r+1,n,1,l);const d=o.getAttribute("headingRows")||0;d>r&&og("headingRows",d+n,o,i)}})}getColumns(t){return[...t.getChild(0).getChildren()].reduce((t,e)=>t+parseInt(e.getAttribute("colspan")||1),0)}getRows(t){return t.childCount}}function $g(t,e,i,n,o,r={}){for(let s=0;s<n;s++){const n=t.createElement("tableRow");t.insert(n,e,i),Gg(o,t,t.createPositionAt(n,"end"),r)}}function Gg(t,e,i,n={}){for(let o=0;o<t;o++)rg(e,i,n)}function Qg(t,e){if(t<e)return{newCellsSpan:1,updatedSpan:1};const i=Math.floor(t/e);return{newCellsSpan:i,updatedSpan:t-i*e+i}}function Kg(t){t.document.registerPostFixer(e=>function(t,e){const i=e.document.differ.getChanges();let n=!1;const o=new Set;for(const e of i){let i;"table"==e.name&&"insert"==e.type&&(i=e.position.nodeAfter),"tableRow"!=e.name&&"tableCell"!=e.name||(i=ng("table",e.position)),Xg(e)&&(i=ng("table",e.range.start)),i&&!o.has(i)&&(n=Jg(i,t)||n,n=Zg(i,t)||n,o.add(i))}return n}(e,t))}function Jg(t,e){let i=!1;const n=function(t){const e=parseInt(t.getAttribute("headingRows")||0),i=t.childCount,n=[];for(const{row:o,rowspan:r,cell:s}of new dg(t)){if(r<2)continue;const t=o<e?e:i;if(o+r>t){const e=t-o;n.push({cell:s,rowspan:e})}}return n}(t);if(n.length){i=!0;for(const t of n)og("rowspan",t.rowspan,t.cell,e,1)}return i}function Zg(t,e){let i=!1;const n=function(t){const e={};for(const{row:i}of new dg(t,{includeSpanned:!0}))e[i]||(e[i]=0),e[i]+=1;return e}(t),o=n[0];if(!Object.values(n).every(t=>t===o)){const o=Object.values(n).reduce((t,e)=>e>t?e:t,0);for(const[r,s]of Object.entries(n)){const n=o-s;if(n){for(let i=0;i<n;i++)rg(e,e.createPositionAt(t.getChild(r),"end"));i=!0}}}return i}function Xg(t){const e="attribute"===t.type,i=t.attributeKey;return e&&("headingRows"===i||"colspan"===i||"rowspan"===i)}function tp(t){t.document.registerPostFixer(e=>function(t,e){const i=e.document.differ.getChanges();let n=!1;for(const e of i)"insert"==e.type&&"table"==e.name&&(n=ep(e.position.nodeAfter,t)||n),"insert"==e.type&&"tableRow"==e.name&&(n=ip(e.position.nodeAfter,t)||n),"insert"==e.type&&"tableCell"==e.name&&(n=np(e.position.nodeAfter,t)||n),op(e)&&(n=np(e.position.parent,t)||n);return n}(e,t))}function ep(t,e){let i=!1;for(const n of t.getChildren())i=ip(n,e)||i;return i}function ip(t,e){let i=!1;for(const n of t.getChildren())i=np(n,e)||i;return i}function np(t,e){if(0==t.childCount)return e.insertElement("paragraph",t),!0;const i=Array.from(t.getChildren()).filter(t=>t.is("text"));for(const t of i)e.wrap(e.createRangeOn(t),"paragraph");return!!i.length}function op(t){return!(!t.position||!t.position.parent.is("tableCell"))&&("insert"==t.type&&"$text"==t.name||"remove"==t.type)}function rp(t){t.document.registerPostFixer(()=>function(t){const e=t.document.differ,i=new Set;for(const t of e.getChanges()){const e="insert"==t.type||"remove"==t.type?t.position.parent:t.range.start.parent;e.is("tableCell")&&sp(e,t.type)&&i.add(e)}if(i.size){for(const t of i.values())e.refreshItem(t);return!0}return!1}(t))}function sp(t,e){if(!Array.from(t.getChildren()).some(t=>t.is("paragraph")))return!1;if("attribute"==e){const e=Array.from(t.getChild(0).getAttributeKeys()).length;return 1===t.childCount&&e<2}return t.childCount<=("insert"==e?2:1)}i(84);class ap extends Yl{static get pluginName(){return"TableEditing"}init(){const t=this.editor,e=t.model,i=e.schema,n=t.conversion;i.register("table",{allowWhere:"$block",allowAttributes:["headingRows","headingColumns"],isLimit:!0,isObject:!0,isBlock:!0}),i.register("tableRow",{allowIn:"table",isLimit:!0}),i.register("tableCell",{allowIn:"tableRow",allowAttributes:["colspan","rowspan"],isObject:!0}),i.extend("$block",{allowIn:"tableCell"}),i.addChildCheck((t,e)=>{if("table"==e.name&&Array.from(t.getNames()).includes("table"))return!1}),n.for("upcast").add(ag()),n.for("editingDowncast").add(wg({asWidget:!0})),n.for("dataDowncast").add(wg()),n.for("upcast").elementToElement({model:"tableRow",view:"tr"}),n.for("editingDowncast").add(kg({asWidget:!0})),n.for("dataDowncast").add(kg()),n.for("downcast").add(t=>t.on("remove:tableRow",(t,e,i)=>{t.stop();const n=i.writer,o=i.mapper,r=o.toViewPosition(e.position).getLastMatchingPosition(t=>!t.item.is("tr")).nodeAfter,s=r.parent,a=n.createRangeOn(r),c=n.remove(a);for(const t of n.createRangeIn(c).getItems())o.unbindViewElement(t);s.childCount||n.remove(n.createRangeOn(s))},{priority:"higher"})),n.for("upcast").add(cg("td")),n.for("upcast").add(cg("th")),n.for("editingDowncast").add(_g({asWidget:!0})),n.for("dataDowncast").add(_g()),n.attributeToAttribute({model:"colspan",view:"colspan"}),n.attributeToAttribute({model:"rowspan",view:"rowspan"}),n.for("editingDowncast").add(yg({asWidget:!0})),n.for("dataDowncast").add(yg()),n.for("editingDowncast").add(vg({asWidget:!0})),n.for("dataDowncast").add(vg()),t.commands.add("insertTable",new Rg(t)),t.commands.add("insertTableRowAbove",new Dg(t,{order:"above"})),t.commands.add("insertTableRowBelow",new Dg(t,{order:"below"})),t.commands.add("insertTableColumnLeft",new Lg(t,{order:"left"})),t.commands.add("insertTableColumnRight",new Lg(t,{order:"right"})),t.commands.add("removeTableRow",new Bg(t)),t.commands.add("removeTableColumn",new Ug(t)),t.commands.add("splitTableCellVertically",new jg(t,{direction:"vertically"})),t.commands.add("splitTableCellHorizontally",new jg(t,{direction:"horizontally"})),t.commands.add("mergeTableCellRight",new Vg(t,{direction:"right"})),t.commands.add("mergeTableCellLeft",new Vg(t,{direction:"left"})),t.commands.add("mergeTableCellDown",new Vg(t,{direction:"down"})),t.commands.add("mergeTableCellUp",new Vg(t,{direction:"up"})),t.commands.add("setTableColumnHeader",new Wg(t)),t.commands.add("setTableRowHeader",new Hg(t)),Kg(e),rp(e),tp(e),this.editor.keystrokes.set("Tab",(...t)=>this._handleTabOnSelectedTable(...t),{priority:"low"}),this.editor.keystrokes.set("Tab",this._getTabHandler(!0),{priority:"low"}),this.editor.keystrokes.set("Shift+Tab",this._getTabHandler(!1),{priority:"low"})}static get requires(){return[Yg]}_handleTabOnSelectedTable(t,e){const i=this.editor,n=i.model.document.selection;if(!n.isCollapsed&&1===n.rangeCount&&n.getFirstRange().isFlat){const t=n.getSelectedElement();if(!t||!t.is("table"))return;e(),i.model.change(e=>{e.setSelection(e.createRangeIn(t.getChild(0).getChild(0)))})}}_getTabHandler(t){const e=this.editor;return(i,n)=>{const o=gg(e.model.document.selection)[0];if(!o)return;n();const r=o.parent,s=r.parent,a=s.getChildIndex(r),c=r.getChildIndex(o),l=0===c;if(!t&&l&&0===a)return;const d=c===r.childCount-1,h=a===s.childCount-1;if(t&&h&&d&&(e.execute("insertTableRowBelow"),a===s.childCount-1))return;let u;if(t&&d){const t=s.getChild(a+1);u=t.getChild(0)}else if(!t&&l){const t=s.getChild(a-1);u=t.getChild(t.childCount-1)}else u=r.getChild(c+(t?1:-1));e.model.change(t=>{t.setSelection(t.createRangeIn(u))})}}}i(86);class cp extends rl{constructor(t){super(t);const e=this.bindTemplate;this.items=this.createCollection(),this.set("rows",0),this.set("columns",0),this.bind("label").to(this,"columns",this,"rows",(t,e)=>`${e} × ${t}`),this.setTemplate({tag:"div",attributes:{class:["ck"]},children:[{tag:"div",attributes:{class:["ck-insert-table-dropdown__grid"]},children:this.items},{tag:"div",attributes:{class:["ck-insert-table-dropdown__label"]},children:[{text:e.to("label")}]}],on:{mousedown:e.to(t=>{t.preventDefault()}),click:e.to(()=>{this.fire("execute")})}});for(let t=0;t<100;t++){const e=new lp;e.on("over",()=>{const e=Math.floor(t/10),i=t%10;this.set("rows",e+1),this.set("columns",i+1)}),this.items.add(e)}this.on("change:columns",()=>{this._highlightGridBoxes()}),this.on("change:rows",()=>{this._highlightGridBoxes()})}focus(){}focusLast(){}_highlightGridBoxes(){const t=this.rows,e=this.columns;this.items.map((i,n)=>{const o=Math.floor(n/10)<t&&n%10<e;i.set("isOn",o)})}}class lp extends rl{constructor(t){super(t);const e=this.bindTemplate;this.set("isOn",!1),this.setTemplate({tag:"div",attributes:{class:["ck-insert-table-dropdown-grid-box",e.if("isOn","ck-on")]},on:{mouseover:e.to("over")}})}}class dp extends Yl{init(){const t=this.editor,e=this.editor.t,i="ltr"===t.locale.contentLanguageDirection;t.ui.componentFactory.add("insertTable",i=>{const n=t.commands.get("insertTable"),o=jl(i);let r;return o.bind("isEnabled").to(n),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:e("ar"),tooltip:!0}),o.on("change:isOpen",()=>{r||(r=new cp(i),o.panelView.children.add(r),r.delegate("execute").to(o),o.buttonView.on("open",()=>{r.rows=0,r.columns=0}),o.on("execute",()=>{t.execute("insertTable",{rows:r.rows,columns:r.columns}),t.editing.view.focus()}))}),o}),t.ui.componentFactory.add("tableColumn",t=>{const n=[{type:"switchbutton",model:{commandName:"setTableColumnHeader",label:e("as"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:i?"insertTableColumnLeft":"insertTableColumnRight",label:e("at")}},{type:"button",model:{commandName:i?"insertTableColumnRight":"insertTableColumnLeft",label:e("au")}},{type:"button",model:{commandName:"removeTableColumn",label:e("av")}}];return this._prepareDropdown(e("aw"),'<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>',n,t)}),t.ui.componentFactory.add("tableRow",t=>{const i=[{type:"switchbutton",model:{commandName:"setTableRowHeader",label:e("ax"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:"insertTableRowBelow",label:e("ay")}},{type:"button",model:{commandName:"insertTableRowAbove",label:e("az")}},{type:"button",model:{commandName:"removeTableRow",label:e("ba")}}];return this._prepareDropdown(e("bb"),'<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>',i,t)}),t.ui.componentFactory.add("mergeTableCells",t=>{const n=[{type:"button",model:{commandName:"mergeTableCellUp",label:e("bc")}},{type:"button",model:{commandName:i?"mergeTableCellRight":"mergeTableCellLeft",label:e("bd")}},{type:"button",model:{commandName:"mergeTableCellDown",label:e("be")}},{type:"button",model:{commandName:i?"mergeTableCellLeft":"mergeTableCellRight",label:e("bf")}},{type:"separator"},{type:"button",model:{commandName:"splitTableCellVertically",label:e("bg")}},{type:"button",model:{commandName:"splitTableCellHorizontally",label:e("bh")}}];return this._prepareDropdown(e("bi"),'<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>',n,t)})}_prepareDropdown(t,e,i,n){const o=this.editor,r=jl(n),s=[],a=new yi;for(const t of i)hp(t,o,s,a);return zl(r,a,o.ui.componentFactory),r.buttonView.set({label:t,icon:e,tooltip:!0}),r.bind("isEnabled").toMany(s,"isEnabled",(...t)=>t.some(t=>t)),this.listenTo(r,"execute",t=>{o.execute(t.source.commandName),o.editing.view.focus()}),r}}function hp(t,e,i,n){const o=t.model=new Cf(t.model),{commandName:r,bindIsOn:s}=t.model;if("button"===t.type||"switchbutton"===t.type){const t=e.commands.get(r);i.push(t),o.set({commandName:r}),o.bind("isEnabled").to(t),s&&o.bind("isOn").to(t,"value")}o.set({withText:!0}),n.add(t)}class up extends Nr{constructor(t){super(t),this.domEventType=["mousemove","mouseup","mouseleave"]}onDomEvent(t){this.fire(t.type,t)}}function fp(t,e,i){const n=Array.from(t),o=n[0],r=n[n.length-1],{row:s,column:a}=e.getCellLocation(o),c=function(t,e,i,n){const o=i.createElement("table"),r=new Map,s=new Map;for(const e of t){const t=ng("tableRow",e);if(!r.has(t)){const e=t._clone();i.append(e,o),r.set(t,e)}const a=e._clone(!0),{column:c}=n.getCellLocation(e);s.set(a,c),i.append(a,r.get(t))}return function(t,e,i,n,o){for(const r of t.getChildren())for(const t of Array.from(r.getChildren())){const{column:r}=o.getCellLocation(t),s=i.get(t)-e;if(r!==s)for(let e=0;e<s-r;e++){const e=n.createElement("tableCell");n.insert(e,n.createPositionBefore(t));const i=n.createElement("paragraph");n.insert(i,e,0),n.insertText("",i,0)}}}(o,e,s,i,n),o}(n,a,i,e),{row:l,column:d}=e.getCellLocation(r);return function(t,e,i,n,o){for(const r of t.getChildren())for(const t of r.getChildren()){const r=parseInt(t.getAttribute("colspan")||1),s=parseInt(t.getAttribute("rowspan")||1),{row:a,column:c}=o.getCellLocation(t);if(c+r>e){const i=e-c;i>1?n.setAttribute("colspan",i,t):n.removeAttribute("colspan",t)}if(a+s>i){const e=i-a;e>1?n.setAttribute("rowspan",e,t):n.removeAttribute("rowspan",t)}}}(c,d-a+1,l-s+1,i,e),function(t,e,i,n,o){const r=parseInt(e.getAttribute("headingRows")||0);if(r>0){const e=r-i;o.setAttribute("headingRows",e,t)}const s=parseInt(e.getAttribute("headingColumns")||0);if(s>0){const e=s-n;o.setAttribute("headingColumns",e,t)}}(c,ng("table",o),s,a,i),c}i(88);class mp extends Yl{static get pluginName(){return"TableSelection"}static get requires(){return[Yg]}init(){const t=this.editor,e=t.model;this.listenTo(e,"deleteContent",(t,e)=>this._handleDeleteContent(t,e),{priority:"high"}),t.editing.view.addObserver(up),this._defineSelectionConverter(),this._enableShiftClickSelection(),this._enableMouseDragSelection()}getSelectedTableCells(){const t=mg(this.editor.model.document.selection);return 0==t.length?null:t}getSelectionAsFragment(){const t=this.getSelectedTableCells();return t?this.editor.model.change(e=>{const i=e.createDocumentFragment(),n=fp(t,this.editor.plugins.get("TableUtils"),e);return e.insert(n,i,0),i}):null}_defineSelectionConverter(){const t=this.editor,e=new Set;t.conversion.for("editingDowncast").add(t=>t.on("selection",(t,i,n)=>{const o=n.writer;!function(t){for(const i of e)t.removeClass("ck-editor__editable_selected",i);e.clear()}(o);const r=this.getSelectedTableCells();if(!r)return;for(const t of r){const i=n.mapper.toViewElement(t);o.addClass("ck-editor__editable_selected",i),e.add(i)}const s=n.mapper.toViewElement(r[r.length-1]);o.setSelection(s,0)},{priority:"lowest"}))}_enableShiftClickSelection(){const t=this.editor;let e=!1;this.listenTo(t.editing.view.document,"mousedown",(i,n)=>{if(!this.isEnabled)return;if(!n.domEvent.shiftKey)return;const o=gg(t.model.document.selection)[0];if(!o)return;const r=this._getModelTableCellFromDomEvent(n);r&&gp(o,r)&&(e=!0,this._setCellSelection(o,r),n.preventDefault())}),this.listenTo(t.editing.view.document,"mouseup",()=>{e=!1}),this.listenTo(t.editing.view.document,"selectionChange",t=>{e&&t.stop()},{priority:"highest"})}_enableMouseDragSelection(){const t=this.editor;let e,i,n=!1,o=!1;this.listenTo(t.editing.view.document,"mousedown",(t,i)=>{this.isEnabled&&(i.domEvent.shiftKey||i.domEvent.ctrlKey||i.domEvent.altKey||(e=this._getModelTableCellFromDomEvent(i)))}),this.listenTo(t.editing.view.document,"mousemove",(t,r)=>{if(!r.domEvent.buttons)return;if(!e)return;const s=this._getModelTableCellFromDomEvent(r);s&&gp(e,s)&&(i=s,n||i==e||(n=!0)),n&&(o=!0,this._setCellSelection(e,i),r.preventDefault())}),this.listenTo(t.editing.view.document,"mouseup",()=>{n=!1,o=!1,e=null,i=null}),this.listenTo(t.editing.view.document,"selectionChange",t=>{o&&t.stop()},{priority:"highest"})}_handleDeleteContent(t,e){const[i,n]=e,o=this.editor.model,r=!n||"backward"==n.direction,s=mg(i);s.length&&(t.stop(),o.change(t=>{const e=s[r?s.length-1:0];o.change(t=>{for(const e of s)o.deleteContent(t.createSelection(e,"in"))});const n=o.schema.getNearestSelectionRange(t.createPositionAt(e,0));n&&(i.is("documentSelection")?t.setSelection(n):i.setTo(n))}))}_setCellSelection(t,e){const i=this._getCellsToSelect(t,e);this.editor.model.change(t=>{t.setSelection(i.cells.map(e=>t.createRangeOn(e)),{backward:i.backward})})}_getModelTableCellFromDomEvent(t){const e=t.target,i=this.editor.editing.view.createPositionAt(e,0),n=this.editor.editing.mapper.toModelPosition(i).parent;if(n)return n.is("tableCell")?n:ng("tableCell",n)}_getCellsToSelect(t,e){const i=this.editor.plugins.get("TableUtils"),n=i.getCellLocation(t),o=i.getCellLocation(e),r=Math.min(n.row,o.row),s=Math.max(n.row,o.row),a=Math.min(n.column,o.column),c=Math.max(n.column,o.column),l=[];for(const e of new dg(ng("table",t),{startRow:r,endRow:s}))e.column>=a&&e.column<=c&&l.push(e.cell);return function(t,e){if(t.row>e.row)return!0;if(t.row==e.row&&t.column>e.column)return!0;return!1}(n,o)?{cells:l.reverse(),backward:!0}:{cells:l,backward:!1}}}function gp(t,e){return t.parent.parent==e.parent.parent}class pp extends Yl{static get pluginName(){return"TableClipboard"}static get requires(){return[mp]}init(){const t=this.editor.editing.view.document;this.listenTo(t,"copy",(t,e)=>this._onCopyCut(t,e)),this.listenTo(t,"cut",(t,e)=>this._onCopyCut(t,e))}_onCopyCut(t,e){const i=this.editor.plugins.get("TableSelection");if(!i.getSelectedTableCells())return;if("cut"==t.name&&this.editor.isReadOnly)return;e.preventDefault(),t.stop();const n=this.editor.data,o=this.editor.editing.view.document,r=n.toView(i.getSelectionAsFragment());o.fire("clipboardOutput",{dataTransfer:e.dataTransfer,content:r,method:t.name})}}i(90);class bp{constructor(t,e){this.model=t,this.testCallback=e,this.hasMatch=!1,this.set("isEnabled",!0),this.on("change:isEnabled",()=>{this.isEnabled?this._startListening():(this.stopListening(t.document.selection),this.stopListening(t.document))}),this._startListening()}_startListening(){const t=this.model.document;this.listenTo(t.selection,"change:range",(e,{directChange:i})=>{i&&(t.selection.isCollapsed?this._evaluateTextBeforeSelection("selection"):this.hasMatch&&(this.fire("unmatched"),this.hasMatch=!1))}),this.listenTo(t,"change:data",(t,e)=>{"transparent"!=e.type&&this._evaluateTextBeforeSelection("data",{batch:e})})}_evaluateTextBeforeSelection(t,e={}){const i=this.model,n=i.document.selection,o=i.createRange(i.createPositionAt(n.focus.parent,0),n.focus),{text:r,range:s}=Zd(o,i),a=this.testCallback(r);if(!a&&this.hasMatch&&this.fire("unmatched"),this.hasMatch=!!a,a){const i=Object.assign(e,{text:r,range:s});"object"==typeof a&&Object.assign(i,a),this.fire("matched:"+t,i)}}}vi(bp,Un);var wp=/[\\^$.*+?()[\]{}|]/g,kp=RegExp(wp.source);var _p=function(t){return(t=Ji(t))&&kp.test(t)?t.replace(wp,"\\$&"):t};const vp={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:Pp('"'),to:[null,"“",null,"”"]},quotesSecondary:{from:Pp("'"),to:[null,"‘",null,"’"]},quotesPrimaryEnGb:{from:Pp("'"),to:[null,"‘",null,"’"]},quotesSecondaryEnGb:{from:Pp('"'),to:[null,"“",null,"”"]},quotesPrimaryPl:{from:Pp('"'),to:[null,"„",null,"”"]},quotesSecondaryPl:{from:Pp("'"),to:[null,"‚",null,"’"]}},yp={symbols:["copyright","registeredTrademark","trademark"],mathematical:["oneHalf","oneThird","twoThirds","oneForth","threeQuarters","lessThanOrEqual","greaterThanOrEqual","notEqual","arrowLeft","arrowRight"],typography:["horizontalEllipsis","enDash","emDash"],quotes:["quotesPrimary","quotesSecondary"]},xp=["symbols","mathematical","typography","quotes"];function Ap(t){return"string"==typeof t?new RegExp(`(${_p(t)})$`):t}function Tp(t){return"string"==typeof t?()=>[t]:t instanceof Array?()=>t:t}function Cp(t){return(t.textNode?t.textNode:t.nodeAfter).getAttributes()}function Pp(t){return new RegExp(`(^|\\s)(${t})([^${t}]*)(${t})$`)}const Sp=["left","right","center","justify"];function Mp(t){return Sp.includes(t)}function Ep(t,e){return"rtl"==e.contentLanguageDirection?"right"===t:"left"===t}class Ip extends Zl{refresh(){const t=this.editor.locale,e=ah(this.editor.model.document.selection.getSelectedBlocks());this.isEnabled=!!e&&this._canBeAligned(e),this.isEnabled&&e.hasAttribute("alignment")?this.value=e.getAttribute("alignment"):this.value="rtl"===t.contentLanguageDirection?"right":"left"}execute(t={}){const e=this.editor,i=e.locale,n=e.model,o=n.document,r=t.value;n.change(t=>{const e=Array.from(o.selection.getSelectedBlocks()).filter(t=>this._canBeAligned(t)),n=e[0].getAttribute("alignment");Ep(r,i)||n===r||!r?function(t,e){for(const i of t)e.removeAttribute("alignment",i)}(e,t):function(t,e,i){for(const n of t)e.setAttribute("alignment",i,n)}(e,t,r)})}_canBeAligned(t){return this.editor.model.schema.checkAttribute(t,"alignment")}}class Np extends Yl{static get pluginName(){return"AlignmentEditing"}constructor(t){super(t),t.config.define("alignment",{options:[...Sp]})}init(){const t=this.editor,e=t.locale,i=t.model.schema,n=t.config.get("alignment.options").filter(Mp);i.extend("$block",{allowAttributes:"alignment"}),t.model.schema.setAttributeProperties("alignment",{isFormatting:!0});const o=function(t){const e={model:{key:"alignment",values:t.slice()},view:{}};for(const i of t)e.view[i]={key:"style",value:{"text-align":i}};return e}(n.filter(t=>!Ep(t,e)));t.conversion.attributeToAttribute(o),t.commands.add("alignment",new Ip(t))}}var Op='<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>',Rp='<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 Dp=new Map([["left",Op],["right",Rp],["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 Lp extends Yl{get localizedOptionTitles(){const t=this.editor.t;return{left:t("d"),right:t("e"),center:t("f"),justify:t("g")}}static get pluginName(){return"AlignmentUI"}init(){const t=this.editor,e=t.ui.componentFactory,i=t.t,n=t.config.get("alignment.options");n.filter(Mp).forEach(t=>this._addButton(t)),e.add("alignment",t=>{const o=jl(t),r=n.map(t=>e.create("alignment:"+t));Vl(o,r),o.buttonView.set({label:i("h"),tooltip:!0}),o.toolbarView.isVertical=!0,o.toolbarView.ariaLabel=i("i"),o.extendTemplate({attributes:{class:"ck-alignment-dropdown"}});const s="rtl"===t.contentLanguageDirection?Rp:Op;return o.buttonView.bind("icon").toMany(r,"isOn",(...t)=>{const e=t.findIndex(t=>t);return e<0?s:r[e].icon}),o.bind("isEnabled").toMany(r,"isEnabled",(...t)=>t.some(t=>t)),o})}_addButton(t){const e=this.editor;e.ui.componentFactory.add("alignment:"+t,i=>{const n=e.commands.get("alignment"),o=new Ml(i);return o.set({label:this.localizedOptionTitles[t],icon:Dp.get(t),tooltip:!0,isToggleable:!0}),o.bind("isEnabled").to(n),o.bind("isOn").to(n,"value",e=>e===t),this.listenTo(o,"execute",()=>{e.execute("alignment",{value:t}),e.editing.view.focus()}),o})}}class jp extends Zl{refresh(){const t=this.editor.model,e=t.document;this.value=e.selection.getAttribute("highlight"),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"highlight")}execute(t={}){const e=this.editor.model,i=e.document.selection,n=t.value;e.change(t=>{const o=e.schema.getValidRanges(i.getRanges(),"highlight");if(i.isCollapsed){const e=i.getFirstPosition();if(i.hasAttribute("highlight")){const i=t=>t.item.hasAttribute("highlight")&&t.item.getAttribute("highlight")===this.value,o=e.getLastMatchingPosition(i,{direction:"backward"}),r=e.getLastMatchingPosition(i),s=t.createRange(o,r);n&&this.value!==n?(t.setAttribute("highlight",n,s),t.setSelectionAttribute("highlight",n)):(t.removeAttribute("highlight",s),t.removeSelectionAttribute("highlight"))}else n&&t.setSelectionAttribute("highlight",n)}else for(const e of o)n?t.setAttribute("highlight",n,e):t.removeAttribute("highlight",e)})}}class Vp extends Yl{static get pluginName(){return"HighlightEditing"}constructor(t){super(t),t.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 t=this.editor;t.model.schema.extend("$text",{allowAttributes:"highlight"});const e=t.config.get("highlight.options");t.conversion.attributeToElement(function(t){const e={model:{key:"highlight",values:[]},view:{}};for(const i of t)e.model.values.push(i.model),e.view[i.model]={name:"mark",classes:i.class};return e}(e)),t.commands.add("highlight",new jp(t))}}i(92);class zp extends rl{constructor(t){super(t);const e=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 vc,this.focusTracker=new Ec,this.setTemplate({tag:"div",attributes:{class:["ck","ck-splitbutton",e.if("isVisible","ck-hidden",t=>!t),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",(t,e)=>{this.focusTracker.focusedElement===this.actionView.element&&(this.arrowView.focus(),e())}),this.keystrokes.set("arrowleft",(t,e)=>{this.focusTracker.focusedElement===this.arrowView.element&&(this.actionView.focus(),e())})}focus(){this.actionView.focus()}_createActionView(){const t=new Ml;return t.bind("icon","isEnabled","isOn","isToggleable","keystroke","label","tabindex","tooltip","tooltipPosition","type","withText").to(this),t.extendTemplate({attributes:{class:"ck-splitbutton__action"}}),t.delegate("execute").to(this),t}_createArrowView(){const t=new Ml,e=t.bindTemplate;return t.icon=El,t.extendTemplate({attributes:{class:"ck-splitbutton__arrow","aria-haspopup":!0,"aria-expanded":e.to("isOn",t=>String(t))}}),t.bind("isEnabled").to(this),t.delegate("execute").to(this,"open"),t}}i(94);class Bp extends Yl{get localizedOptionTitles(){const t=this.editor.t;return{"Yellow marker":t("j"),"Green marker":t("k"),"Pink marker":t("l"),"Blue marker":t("m"),"Red pen":t("n"),"Green pen":t("o")}}static get pluginName(){return"HighlightUI"}init(){const t=this.editor.config.get("highlight.options");for(const e of t)this._addHighlighterButton(e);this._addRemoveHighlightButton(),this._addDropdown(t)}_addRemoveHighlightButton(){const t=this.editor.t;this._addButton("removeHighlight",t("p"),'<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>')}_addHighlighterButton(t){const e=this.editor.commands.get("highlight");this._addButton("highlight:"+t.model,t.title,Fp(t.type),t.model,(function(i){i.bind("isEnabled").to(e,"isEnabled"),i.bind("isOn").to(e,"value",e=>e===t.model),i.iconView.fillColor=t.color,i.isToggleable=!0}))}_addButton(t,e,i,n,o=(()=>{})){const r=this.editor;r.ui.componentFactory.add(t,t=>{const s=new Ml(t),a=this.localizedOptionTitles[e]?this.localizedOptionTitles[e]:e;return s.set({label:a,icon:i,tooltip:!0}),s.on("execute",()=>{r.execute("highlight",{value:n}),r.editing.view.focus()}),o(s),s})}_addDropdown(t){const e=this.editor,i=e.t,n=e.ui.componentFactory,o=t[0],r=t.reduce((t,e)=>(t[e.model]=e,t),{});n.add("highlight",s=>{const a=e.commands.get("highlight"),c=jl(s,zp),l=c.buttonView;l.set({tooltip:i("q"),lastExecuted:o.model,commandValue:o.model,isToggleable:!0}),l.bind("icon").to(a,"value",t=>Fp(h(t,"type"))),l.bind("color").to(a,"value",t=>h(t,"color")),l.bind("commandValue").to(a,"value",t=>h(t,"model")),l.bind("isOn").to(a,"value",t=>!!t),l.delegate("execute").to(c);const d=t.map(t=>{const e=n.create("highlight:"+t.model);return this.listenTo(e,"execute",()=>c.buttonView.set({lastExecuted:t.model})),e});function h(t,e){const i=t&&t!==l.lastExecuted?t:l.lastExecuted;return r[i][e]}return c.bind("isEnabled").toMany(d,"isEnabled",(...t)=>t.some(t=>t)),d.push(new kl),d.push(n.create("removeHighlight")),Vl(c,d),function(t){t.buttonView.actionView.iconView.bind("fillColor").to(t.buttonView,"color")}(c),c.toolbarView.ariaLabel=i("r"),l.on("execute",()=>{e.execute("highlight",{value:l.commandValue}),e.editing.view.focus()}),c})}}function Fp(t){return"marker"===t?'<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>'}class Up extends Zl{refresh(){const t=this.editor.model,e=t.document;this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"mention")}execute(t){const e=this.editor.model,i=e.document.selection,n="string"==typeof t.mention?{id:t.mention}:t.mention,o=n.id,r=t.range||i.getFirstRange(),s=t.text||o,a=qp({_text:s,id:o},n);if(1!=t.marker.length)throw new hi.b("mentioncommand-incorrect-marker: The marker must be a single character.",this);if(o.charAt(0)!=t.marker)throw new hi.b("mentioncommand-incorrect-id: The item id must start with the marker character.",this);e.change(t=>{const n=Di(i.getAttributes()),o=new Map(n.entries());o.set("mention",a),e.insertContent(t.createText(s,o),r),e.insertContent(t.createText(" ",n),r.start.getShiftedBy(s.length))})}}class Hp extends Yl{static get pluginName(){return"MentionEditing"}init(){const t=this.editor,e=t.model,i=e.document;e.schema.extend("$text",{allowAttributes:"mention"}),t.conversion.for("upcast").elementToAttribute({view:{name:"span",key:"data-mention",classes:"mention"},model:{key:"mention",value:Wp}}),t.conversion.for("downcast").attributeToElement({model:"mention",view:$p}),t.conversion.for("downcast").add(Yp),i.registerPostFixer(t=>function(t,e,i){const n=e.differ.getChanges();let o=!1;for(const e of n){const n=e.position;if("$text"==e.name){const e=n.textNode&&n.textNode.nextSibling;o=Qp(n.textNode,t)||o,o=Qp(e,t)||o,o=Qp(n.nodeBefore,t)||o,o=Qp(n.nodeAfter,t)||o}if("$text"!=e.name&&"insert"==e.type){const e=n.nodeAfter;for(const i of t.createRangeIn(e).getItems())o=Qp(i,t)||o}if("insert"==e.type&&i.isInline(e.name)){const e=n.nodeAfter&&n.nodeAfter.nextSibling;o=Qp(n.nodeBefore,t)||o,o=Qp(e,t)||o}}return o}(t,i,e.schema)),i.registerPostFixer(t=>function(t,e){const i=e.differ.getChanges();let n=!1;for(const e of i)if("attribute"===e.type&&"mention"!=e.attributeKey){const i=e.range.start.nodeBefore,o=e.range.end.nodeAfter;for(const r of[i,o])Gp(r)&&r.getAttribute(e.attributeKey)!=e.attributeNewValue&&(t.setAttribute(e.attributeKey,e.attributeNewValue,r),n=!0)}return n}(t,i)),i.registerPostFixer(t=>function(t,e){const i=e.selection,n=i.focus;if(i.isCollapsed&&i.hasAttribute("mention")&&function(t){const e=t.isAtStart;return t.nodeBefore&&t.nodeBefore.is("text")||e}(n))return t.removeSelectionAttribute("mention"),!0}(t,i)),t.commands.add("mention",new Up(t))}}function qp(t,e){return Object.assign({_uid:li()},t,e||{})}function Wp(t,e){const i=t.getAttribute("data-mention"),n=t.getChild(0);if(n)return qp({id:i,_text:n.data},e)}function Yp(t){t.on("attribute:mention",(t,e,i)=>{const n=e.attributeNewValue;if(!e.item.is("textProxy")||!n)return;const o=e.range.start;(o.textNode||o.nodeAfter).data!=n._text&&i.consumable.consume(e.item,t.name)},{priority:"highest"})}function $p(t,e){if(!t)return;const i={class:"mention","data-mention":t.id},n={id:t._uid,priority:20};return e.createAttributeElement("span",i,n)}function Gp(t){if(!t||!t.is("text")&&!t.is("textProxy")||!t.hasAttribute("mention"))return!1;return t.data!=t.getAttribute("mention")._text}function Qp(t,e){return!!Gp(t)&&(e.removeAttribute("mention",t),!0)}i(96);class Kp extends Nl{constructor(t){super(t),this.extendTemplate({attributes:{class:["ck-mentions"],tabindex:"-1"}})}selectFirst(){this.select(0)}selectNext(){const t=this.selected,e=this.items.getIndex(t);this.select(e+1)}selectPrevious(){const t=this.selected,e=this.items.getIndex(t);this.select(e-1)}select(t){let e=0;t>0&&t<this.items.length?e=t:t<0&&(e=this.items.length-1);const i=this.items.get(e);this.selected!==i&&(this.selected&&this.selected.removeHighlight(),i.highlight(),this.selected=i,this._isItemVisibleInScrolledArea(i)||(this.element.scrollTop=i.element.offsetTop))}executeSelected(){this.selected.fire("execute")}_isItemVisibleInScrolledArea(t){return new Zr(this.element).contains(new Zr(t.element))}}class Jp extends rl{constructor(t,e){super(t),this.template=!1,this.domElement=e,this.domElement.classList.add("ck-button"),this.set("isOn",!1),this.on("change:isOn",(t,e,i)=>{i?(this.domElement.classList.add("ck-on"),this.domElement.classList.remove("ck-off")):(this.domElement.classList.add("ck-off"),this.domElement.classList.remove("ck-on"))}),this.listenTo(this.domElement,"click",()=>{this.fire("execute")})}render(){super.render(),this.element=this.domElement}}class Zp extends Ol{highlight(){this.children.first.isOn=!0}removeHighlight(){this.children.first.isOn=!1}}const Xp=[go.arrowup,go.arrowdown,go.enter,go.tab,go.space,go.esc];class tb extends Yl{static get pluginName(){return"MentionUI"}static get requires(){return[$u]}constructor(t){super(t),this._mentionsView=this._createMentionView(),this._mentionsConfigurations=new Map,this._requestFeedDebounced=Hr(this._requestFeed,100),t.config.define("mention",{feeds:[]})}init(){const t=this.editor;this._balloon=t.plugins.get($u),t.editing.view.document.on("keydown",(t,e)=>{var i;i=e.keyCode,Xp.includes(i)&&this._isUIVisible&&(e.preventDefault(),t.stop(),e.keyCode==go.arrowdown&&this._mentionsView.selectNext(),e.keyCode==go.arrowup&&this._mentionsView.selectPrevious(),e.keyCode!=go.enter&&e.keyCode!=go.tab&&e.keyCode!=go.space||this._mentionsView.executeSelected(),e.keyCode==go.esc&&this._hideUIAndRemoveMarker())},{priority:"highest"}),Ll({emitter:this._mentionsView,activator:()=>this._isUIVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideUIAndRemoveMarker()});const e=t.config.get("mention.feeds");for(const t of e){const e=t.feed,i=t.marker;if(!ob(i))throw new hi.b("mentionconfig-incorrect-marker: The marker must be provided and it must be a single character.",null);const n=t.minimumCharacters||0,o="function"==typeof e?e.bind(this.editor):nb(e),r={watcher:this._setupTextWatcherForFeed(i,n),marker:i,feedCallback:o,itemRenderer:t.itemRenderer};this._mentionsConfigurations.set(i,r)}this.on("requestFeed:response",(t,e)=>this._handleFeedResponse(e)),this.on("requestFeed:error",()=>this._hideUIAndRemoveMarker())}destroy(){super.destroy(),this._mentionsView.destroy()}get _isUIVisible(){return this._balloon.visibleView===this._mentionsView}_createMentionView(){const t=this.editor.locale,e=new Kp(t);return this._items=new yi,e.items.bindTo(this._items).using(i=>{const{item:n,marker:o}=i,r=new Zp(t),s=this._renderItem(n,o);return s.delegate("execute").to(r),r.children.add(s),r.item=n,r.marker=o,r.on("execute",()=>{e.fire("execute",{item:n,marker:o})}),r}),e.on("execute",(t,e)=>{const i=this.editor,n=i.model,o=e.item,r=e.marker,s=i.model.markers.get("mention"),a=n.createPositionAt(n.document.selection.focus),c=n.createPositionAt(s.getStart()),l=n.createRange(c,a);this._hideUIAndRemoveMarker(),i.execute("mention",{mention:o,text:o.text,marker:r,range:l}),i.editing.view.focus()}),e}_getItemRenderer(t){const{itemRenderer:e}=this._mentionsConfigurations.get(t);return e}_requestFeed(t,e){this._lastRequested=e;const{feedCallback:i}=this._mentionsConfigurations.get(t),n=i(e);n instanceof Promise?n.then(i=>{this._lastRequested==e?this.fire("requestFeed:response",{feed:i,marker:t,feedText:e}):this.fire("requestFeed:discarded",{feed:i,marker:t,feedText:e})}).catch(t=>{this.fire("requestFeed:error",{error:t}),console.warn(Object(hi.a)("mention-feed-callback-error: Could not obtain mention autocomplete feed."))}):this.fire("requestFeed:response",{feed:n,marker:t,feedText:e})}_setupTextWatcherForFeed(t,e){const i=this.editor,n=new bp(i.model,function(t,e){const i=ib(t,e);return t=>i.test(t)}(t,e));return n.on("matched",(e,n)=>{const o=i.model.document.selection.focus;if(function(t){const e=t.textNode&&t.textNode.hasAttribute("mention"),i=t.nodeBefore;return e||i&&i.is("text")&&i.hasAttribute("mention")}(o))return void this._hideUIAndRemoveMarker();const r=function(t,e){const i=ib(t,0);return e.match(i)[2]}(t,n.text),s=t.length+r.length,a=o.getShiftedBy(-s),c=o.getShiftedBy(-r.length),l=i.model.createRange(a,c);if(rb(i)){const t=i.model.markers.get("mention");i.model.change(e=>{e.updateMarker(t,{range:l})})}else i.model.change(t=>{t.addMarker("mention",{range:l,usingOperation:!1,affectsData:!1})});this._requestFeedDebounced(t,r)}),n.on("unmatched",()=>{this._hideUIAndRemoveMarker()}),n}_handleFeedResponse(t){const{feed:e,marker:i}=t;if(!rb(this.editor))return;this._items.clear();for(const t of e){const e="object"!=typeof t?{id:t,text:t}:t;this._items.add({item:e,marker:i})}const n=this.editor.model.markers.get("mention");this._items.length?this._showOrUpdateUI(n):this._hideUIAndRemoveMarker()}_showOrUpdateUI(t){this._isUIVisible?this._balloon.updatePosition(this._getBalloonPanelPositionData(t,this._mentionsView.position)):this._balloon.add({view:this._mentionsView,position:this._getBalloonPanelPositionData(t,this._mentionsView.position),withArrow:!1,singleViewMode:!0}),this._mentionsView.position=this._balloon.view.position,this._mentionsView.selectFirst()}_hideUIAndRemoveMarker(){this._balloon.hasView(this._mentionsView)&&this._balloon.remove(this._mentionsView),rb(this.editor)&&this.editor.model.change(t=>t.removeMarker("mention")),this._mentionsView.position=void 0}_renderItem(t,e){const i=this.editor;let n,o=t.id;const r=this._getItemRenderer(e);if(r){const e=r(t);"string"!=typeof e?n=new Jp(i.locale,e):o=e}if(!n){const t=new Ml(i.locale);t.label=o,t.withText=!0,n=t}return n}_getBalloonPanelPositionData(t,e){const i=this.editor,n=i.editing,o=n.view.domConverter,r=n.mapper;return{target:()=>{let e=t.getRange();"$graveyard"==e.start.root.rootName&&(e=i.model.document.selection.getFirstRange());const n=r.toViewRange(e);return Zr.getDomRangeRects(o.viewRangeToDom(n)).pop()},limiter:()=>{const t=this.editor.editing.view,e=t.document.selection.editableElement;return e?t.domConverter.mapViewToDom(e.root):null},positions:eb(e)}}}function eb(t){const e={caret_se:t=>({top:t.bottom+3,left:t.right,name:"caret_se"}),caret_ne:(t,e)=>({top:t.top-e.height-3,left:t.right,name:"caret_ne"}),caret_sw:(t,e)=>({top:t.bottom+3,left:t.right-e.width,name:"caret_sw"}),caret_nw:(t,e)=>({top:t.top-e.height-3,left:t.right-e.width,name:"caret_nw"})};return e.hasOwnProperty(t)?[e[t]]:[e.caret_se,e.caret_sw,e.caret_ne,e.caret_nw]}function ib(t,e){const i=0==e?"*":`{${e},}`,n=uo.features.isRegExpUnicodePropertySupported?"\\p{Ps}\\p{Pi}\"'":"\\(\\[{\"'",o=uo.features.isRegExpUnicodePropertySupported?"\\p{L}\\p{N}":"a-zA-ZÀ-ž0-9";return new RegExp(`(?:^|[ ${n}])([${t}])([_${o}]${i})$`,"u")}function nb(t){return e=>t.filter(t=>("string"==typeof t?t:String(t.id)).toLowerCase().includes(e.toLowerCase())).slice(0,10)}function ob(t){return t&&1==t.length}function rb(t){return t.model.markers.has("mention")}i(98);class sb extends Zl{constructor(t){super(t),this._selectedElements=[],this.on("execute",()=>{this.refresh()},{priority:"highest"})}refresh(){this._selectedElements=this._getSelectedItems(),this.value=this._selectedElements.every(t=>!!t.getAttribute("todoListChecked")),this.isEnabled=!!this._selectedElements.length}_getSelectedItems(){const t=this.editor.model,e=t.schema,i=t.document.selection.getFirstRange(),n=i.start.parent,o=[];e.checkAttribute(n,"todoListChecked")&&o.push(n);for(const t of i.getItems())e.checkAttribute(t,"todoListChecked")&&!o.includes(t)&&o.push(t);return o}execute(t={}){this.editor.model.change(e=>{for(const i of this._selectedElements){(void 0===t.forceValue?!this.value:t.forceValue)?e.setAttribute("todoListChecked",!0,i):e.removeAttribute("todoListChecked",i)}})}}function ab(t,e,i){const n=e.range.start.parent;if("listItem"!=n.name||"todo"!=n.getAttribute("listType"))return;if(!i.consumable.consume(e.item,"insert"))return;const o=i.writer,r=i.mapper.toViewPosition(e.range.start),s=o.createText(e.item.data),a=o.createAttributeElement("span",{class:"todo-list__label__description"}),c=r.parent.getChild(0);o.insert(o.createPositionAt(r.parent,"end"),s),o.wrap(o.createRangeOn(s),a),o.wrap(o.createRangeOn(s.parent),c)}function cb(t,e,i){const n=e.modelCursor,o=n.parent,r=e.viewItem;if("checkbox"!=r.getAttribute("type")||"listItem"!=o.name||!n.isAtStart)return;if(!i.consumable.consume(r,{name:!0}))return;const s=i.writer;s.setAttribute("listType","todo",o),e.viewItem.hasAttribute("checked")&&s.setAttribute("todoListChecked",!0,o),e.modelRange=s.createRange(n)}function lb(t,e,i,n){return e.createUIElement("label",{class:"todo-list__label",contenteditable:!1},(function(e){const o=al(document,"input",{type:"checkbox"});i&&o.setAttribute("checked","checked"),o.addEventListener("change",()=>n(t));const r=this.toDomElement(e);return r.appendChild(o),r}))}function db(t,e){const i=e.createRangeIn(t);for(const t of i)if(t.item.is("uiElement","label"))return t.item}class hb extends Yl{static get pluginName(){return"TodoListEditing"}static get requires(){return[Em]}init(){const t=this.editor,{editing:e,data:i,model:n}=t;var o,r;n.schema.extend("listItem",{allowAttributes:["todoListChecked"]}),n.schema.addAttributeCheck((t,e)=>{const i=t.last;if("todoListChecked"==e&&"listItem"==i.name&&"todo"!=i.getAttribute("listType"))return!1}),t.commands.add("todoList",new sm(t,"todo")),t.commands.add("todoListCheck",new sb(t)),i.downcastDispatcher.on("insert:listItem",function(t){return(e,i,n)=>{const o=n.consumable;if(!o.test(i.item,"insert")||!o.test(i.item,"attribute:listType")||!o.test(i.item,"attribute:listIndent"))return;if("todo"!=i.item.getAttribute("listType"))return;o.consume(i.item,"insert"),o.consume(i.item,"attribute:listType"),o.consume(i.item,"attribute:listIndent");const r=n.writer,s=i.item,a=dm(s,n);r.addClass("todo-list",a.parent);const c=r.createAttributeElement("label",{class:"todo-list__label"}),l=r.createEmptyElement("input",{type:"checkbox",disabled:"disabled"});i.item.getAttribute("todoListChecked")&&(r.setAttribute("checked","checked",l),r.addClass("todo-list__label",c)),r.insert(r.createPositionAt(a,0),l),r.wrap(r.createRangeOn(l),c),hm(s,a,n,t)}}(n),{priority:"high"}),i.downcastDispatcher.on("insert:$text",ab,{priority:"high"}),e.downcastDispatcher.on("insert:listItem",function(t,e){return(i,n,o)=>{const r=o.consumable;if(!r.test(n.item,"insert")||!r.test(n.item,"attribute:listType")||!r.test(n.item,"attribute:listIndent"))return;if("todo"!=n.item.getAttribute("listType"))return;const s=n.item;r.consume(s,"insert"),r.consume(s,"attribute:listType"),r.consume(s,"attribute:listIndent"),r.consume(s,"attribute:todoListChecked");const a=o.writer,c=dm(s,o),l=!!s.getAttribute("todoListChecked"),d=lb(s,a,l,e);a.addClass("todo-list",c.parent),a.insert(a.createPositionAt(c,0),d),hm(s,c,o,t)}}(n,t=>this._handleCheckmarkChange(t)),{priority:"high"}),e.downcastDispatcher.on("attribute:listType:listItem",(o=t=>this._handleCheckmarkChange(t),r=e.view,(t,e,i)=>{const n=i.mapper.toViewElement(e.item),s=i.writer;if("todo"==e.attributeNewValue){const t=!!e.item.getAttribute("todoListChecked"),i=lb(e.item,s,t,o);s.addClass("todo-list",n.parent),s.insert(s.createPositionAt(n,0),i)}else"todo"==e.attributeOldValue&&(s.removeClass("todo-list",n.parent),s.remove(db(n,r)))})),e.downcastDispatcher.on("attribute:todoListChecked:listItem",function(t){return(e,i,n)=>{if("todo"!=i.item.getAttribute("listType"))return;if(!n.consumable.consume(i.item,"attribute:todoListChecked"))return;const{mapper:o,writer:r}=n,s=!!i.item.getAttribute("todoListChecked"),a=o.toViewElement(i.item).getChild(0),c=lb(i.item,r,s,t);r.insert(r.createPositionAfter(a),c),r.remove(a)}}(t=>this._handleCheckmarkChange(t))),e.mapper.on("modelToViewPosition",function(t,e){return(i,n)=>{const o=n.modelPosition,r=o.parent;if(!r.is("listItem")||"todo"!=r.getAttribute("listType")||0!==o.offset)return;const s=db(e.toViewElement(r),t);s&&(s.nextSibling&&!s.nextSibling.is("uiElement")?n.viewPosition=t.createPositionAt(s.nextSibling,0):n.viewPosition=t.createPositionAfter(s))}}(e.view,e.mapper)),i.upcastDispatcher.on("element:input",cb,{priority:"high"});const s="ltr"===t.locale.contentLanguageDirection?"arrowleft":"arrowright";t.keystrokes.set(s,(t,e)=>function(t,e){const i=e.schema,n=e.document.selection;if(!n.isCollapsed)return;const o=n.getFirstPosition(),r=o.parent;if("listItem"===r.name&&"todo"==r.getAttribute("listType")&&o.isAtStart){const n=i.getNearestSelectionRange(e.createPositionBefore(r),"backward");n&&(t(),e.change(t=>t.setSelection(n)))}}(e,n)),t.keystrokes.set("Ctrl+space",()=>t.execute("todoListCheck"));const a=new Set;this.listenTo(n,"applyOperation",(t,e)=>{const i=e[0];if("rename"==i.type&&"listItem"==i.oldName){const t=i.position.nodeAfter;t.hasAttribute("todoListChecked")&&a.add(t)}else if("changeAttribute"==i.type&&"listType"==i.key&&"todo"===i.oldValue)for(const t of i.range.getItems())t.hasAttribute("todoListChecked")&&"todo"!==t.getAttribute("listType")&&a.add(t)}),n.document.registerPostFixer(t=>{let e=!1;for(const i of a)t.removeAttribute("todoListChecked",i),e=!0;return a.clear(),e})}_handleCheckmarkChange(t){const e=this.editor,i=e.model,n=Array.from(i.document.selection.getRanges());i.change(i=>{i.setSelection(t,"end"),e.execute("todoListCheck"),i.setSelection(n)})}}class ub extends Yl{init(){const t=this.editor.t;gm(this.editor,"todoList",t("am"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.315 14.705l2.224-2.24a.689.689 0 0 1 .963 0 .664.664 0 0 1 0 .949L2.865 16.07a.682.682 0 0 1-.112.089.647.647 0 0 1-.852-.051L.688 14.886a.635.635 0 0 1 0-.903.647.647 0 0 1 .91 0l.717.722zm5.185.045a.75.75 0 0 1 .75-.75h9.5a.75.75 0 1 1 0 1.5h-9.5a.75.75 0 0 1-.75-.75zM2.329 5.745l2.21-2.226a.689.689 0 0 1 .963 0 .664.664 0 0 1 0 .95L2.865 7.125a.685.685 0 0 1-.496.196.644.644 0 0 1-.468-.187L.688 5.912a.635.635 0 0 1 0-.903.647.647 0 0 1 .91 0l.73.736zM7.5 5.75A.75.75 0 0 1 8.25 5h9.5a.75.75 0 1 1 0 1.5h-9.5a.75.75 0 0 1-.75-.75z"/></svg>')}}i(100);class fb extends Wl{}fb.builtinPlugins=[class extends Yl{static get requires(){return[Jl,od,cd,yd,Ud]}static get pluginName(){return"Essentials"}},Qd,class extends Yl{static get pluginName(){return"Autoformat"}afterInit(){this._addListAutoformats(),this._addBasicStylesAutoformats(),this._addHeadingAutoformats(),this._addBlockQuoteAutoformats(),this._addCodeBlockAutoformats()}_addListAutoformats(){const t=this.editor.commands;t.get("bulletedList")&&new Jd(this.editor,/^[*-]\s$/,"bulletedList"),t.get("numberedList")&&new Jd(this.editor,/^1[.|)]\s$/,"numberedList")}_addBasicStylesAutoformats(){const t=this.editor.commands;if(t.get("bold")){const t=eh(this.editor,"bold");new Xd(this.editor,/(\*\*)([^*]+)(\*\*)$/g,t),new Xd(this.editor,/(__)([^_]+)(__)$/g,t)}if(t.get("italic")){const t=eh(this.editor,"italic");new Xd(this.editor,/(?:^|[^*])(\*)([^*_]+)(\*)$/g,t),new Xd(this.editor,/(?:^|[^_])(_)([^_]+)(_)$/g,t)}if(t.get("code")){const t=eh(this.editor,"code");new Xd(this.editor,/(`)([^`]+)(`)$/g,t)}}_addHeadingAutoformats(){const t=this.editor.commands.get("heading");t&&t.modelElements.filter(t=>t.match(/^heading[1-6]$/)).forEach(e=>{const i=e[7],n=new RegExp(`^(#{${i}})\\s$`);new Jd(this.editor,n,()=>{if(!t.isEnabled)return!1;this.editor.execute("heading",{value:e})})})}_addBlockQuoteAutoformats(){this.editor.commands.get("blockQuote")&&new Jd(this.editor,/^>\s$/,"blockQuote")}_addCodeBlockAutoformats(){this.editor.commands.get("codeBlock")&&new Jd(this.editor,/^```$/,"codeBlock")}},class extends Yl{static get requires(){return[nh,oh]}static get pluginName(){return"Bold"}},class extends Yl{static get requires(){return[rh,sh]}static get pluginName(){return"Italic"}},class extends Yl{static get requires(){return[uh,fh]}static get pluginName(){return"BlockQuote"}},class extends Yl{static get pluginName(){return"CKFinder"}static get requires(){return[ku,mh,Qd]}},class extends Yl{static get requires(){return[Cu,Xu,bf]}static get pluginName(){return"EasyImage"}},class extends Yl{static get requires(){return[Tf,Pf]}static get pluginName(){return"Heading"}},Xu,class extends Yl{static get requires(){return[Ef]}static get pluginName(){return"ImageCaption"}},class extends Yl{static get requires(){return[Wf,Yf]}static get pluginName(){return"ImageStyle"}},class extends Yl{static get requires(){return[$f]}static get pluginName(){return"ImageToolbar"}afterInit(){const t=this.editor,e=t.t;t.plugins.get($f).register("image",{ariaLabel:e("b"),items:t.config.get("image.toolbar")||[],getRelatedElement:Ch})}},bf,class extends Yl{static get pluginName(){return"Indent"}static get requires(){return[Jf,tm]}},class extends Yl{static get requires(){return[gu,om]}static get pluginName(){return"Link"}},class extends Yl{static get requires(){return[Em,Nm]}static get pluginName(){return"List"}},class extends Yl{static get requires(){return[Fm,Wm,Hm,Eu]}static get pluginName(){return"MediaEmbed"}},_f,class extends Yl{static get pluginName(){return"PasteFromOffice"}static get requires(){return[Jl]}init(){const t=this.editor,e=[];e.push(new ig),e.push(new Km(t.editing.view.document)),t.plugins.get("Clipboard").on("inputTransformation",(t,i)=>{if(i.isTransformedWithPasteFromOffice)return;const n=i.dataTransfer.getData("text/html"),o=e.find(t=>t.isActive(n));o&&(o.execute(i),i.isTransformedWithPasteFromOffice=!0)},{priority:"high"})}},class extends Yl{static get requires(){return[ap,dp,mp,pp,Eu]}static get pluginName(){return"Table"}},class extends Yl{static get requires(){return[$f]}static get pluginName(){return"TableToolbar"}afterInit(){const t=this.editor,e=t.t,i=t.plugins.get($f),n=t.config.get("table.contentToolbar"),o=t.config.get("table.tableToolbar");n&&i.register("tableContent",{ariaLabel:e("c"),items:n,getRelatedElement:fg}),o&&i.register("table",{ariaLabel:e("c"),items:o,getRelatedElement:ug})}},class extends Yl{static get pluginName(){return"TextTransformation"}constructor(t){super(t),t.config.define("typing",{transformations:{include:xp}})}init(){const t=this.editor.model.document.selection;t.on("change:range",()=>{this.isEnabled=!t.anchor.parent.is("codeBlock")}),this._enableTransformationWatchers()}_enableTransformationWatchers(){const t=this.editor,e=t.model,i=t.plugins.get("Input"),n=function(t){const e=t.extra||[],i=t.remove||[],n=t=>!i.includes(t);return function(t){const e=new Set;for(const i of t)if(yp[i])for(const t of yp[i])e.add(t);else e.add(i);return Array.from(e)}(t.include.concat(e).filter(n)).filter(n).map(t=>vp[t]||t).map(t=>({from:Ap(t.from),to:Tp(t.to)}))}(t.config.get("typing.transformations")),o=new bp(t.model,t=>{for(const e of n){if(e.from.test(t))return{normalizedTransformation:e}}});o.on("matched:data",(t,n)=>{if(!i.isInput(n.batch))return;const{from:o,to:r}=n.normalizedTransformation,s=o.exec(n.text),a=r(s.slice(1)),c=n.range;let l=s.index;e.enqueueChange(t=>{for(let i=1;i<s.length;i++){const n=s[i],o=a[i-1];if(null==o){l+=n.length;continue}const r=c.start.getShiftedBy(l),d=e.createRange(r,r.getShiftedBy(n.length)),h=Cp(r);e.insertContent(t.createText(o,h),d),l+=o.length}})}),o.bind("isEnabled").to(this)}},class extends Yl{static get requires(){return[Np,Lp]}static get pluginName(){return"Alignment"}},class extends Yl{static get requires(){return[Vp,Bp]}static get pluginName(){return"Highlight"}},class extends Yl{toMentionAttribute(t,e){return Wp(t,e)}static get pluginName(){return"Mention"}static get requires(){return[Hp,tb]}},class extends Yl{static get requires(){return[hb,ub]}static get pluginName(){return"TodoList"}}],fb.defaultConfig={toolbar:{items:["heading","|","bold","italic","link","highlight","bulletedList","numberedList","|","alignment","indent","outdent","|","imageUpload","blockQuote","insertTable","mediaEmbed","undo","redo"]},image:{toolbar:["imageStyle:full","imageStyle:side","|","imageTextAlternative"]},table:{contentToolbar:["tableColumn","tableRow","mergeTableCells"]},language:"en"}}]).default}));
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