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e?"containerElement"==n&&e==this.name||super.is(t,e):"containerElement"==n||super.is(t)}}function jo(){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 Vo=To((function(t,e){St(e,re(e),t)}));const zo=Symbol("observableProperties"),Bo=Symbol("boundObservables"),Fo=Symbol("boundProperties"),Uo={set(t,e){if(j(t))return void Object.keys(t).forEach(e=>{this.set(e,t[e])},this);qo(this);const n=this[zo];if(t in this&&!n.has(t))throw new hn.b("observable-set-cannot-override: Cannot override an existing property.",this);Object.defineProperty(this,t,{enumerable:!0,configurable:!0,get:()=>n.get(t),set(e){const o=n.get(t);let i=this.fire("set:"+t,t,e,o);void 0===i&&(i=e),o===i&&n.has(t)||(n.set(t,i),this.fire("change:"+t,t,i,o))}}),this[t]=e},bind(...t){if(!t.length||!Yo(t))throw new hn.b("observable-bind-wrong-properties: All properties must be strings.",this);if(new Set(t).size!==t.length)throw new hn.b("observable-bind-duplicate-properties: Properties must be unique.",this);qo(this);const e=this[Fo];t.forEach(t=>{if(e.has(t))throw new hn.b("observable-bind-rebind: Cannot bind the same property more than once.",this)});const n=new Map;return t.forEach(t=>{const o={property:t,to:[]};e.set(t,o),n.set(t,o)}),{to:Wo,toMany:$o,_observable:this,_bindProperties:t,_to:[],_bindings:n}},unbind(...t){if(!(zo in this))return;const e=this[Fo],n=this[Bo];if(t.length){if(!Yo(t))throw new hn.b("observable-unbind-wrong-properties: Properties must be strings.",this);t.forEach(t=>{const o=e.get(t);if(!o)return;let i,r,s,a;o.to.forEach(t=>{i=t[0],r=t[1],s=n.get(i),a=s[r],a.delete(o),a.size||delete s[r],Object.keys(s).length||(n.delete(i),this.stopListening(i,"change"))}),e.delete(t)})}else n.forEach((t,e)=>{this.stopListening(e,"change")}),n.clear(),e.clear()},decorate(t){const e=this[t];if(!e)throw new hn.b("observablemixin-cannot-decorate-undefined: Cannot decorate an undefined method.",this,{object:this,methodName:t});this.on(t,(t,n)=>{t.return=e.apply(this,n)}),this[t]=function(...e){return this.fire(t,e)}}};Vo(Uo,gn);var Ho=Uo;function qo(t){zo in t||(Object.defineProperty(t,zo,{value:new Map}),Object.defineProperty(t,Bo,{value:new Map}),Object.defineProperty(t,Fo,{value:new Map}))}function Wo(...t){const e=function(...t){if(!t.length)throw new hn.b("observable-bind-to-parse-error: Invalid argument syntax in `to()`.",null);const e={to:[]};let n;"function"==typeof t[t.length-1]&&(e.callback=t.pop());return t.forEach(t=>{if("string"==typeof t)n.properties.push(t);else{if("object"!=typeof t)throw new hn.b("observable-bind-to-parse-error: Invalid argument syntax in `to()`.",null);n={observable:t,properties:[]},e.to.push(n)}}),e}(...t),n=Array.from(this._bindings.keys()),o=n.length;if(!e.callback&&e.to.length>1)throw new hn.b("observable-bind-to-no-callback: Binding multiple observables only possible with callback.",this);if(o>1&&e.callback)throw new hn.b("observable-bind-to-extra-callback: Cannot bind multiple properties and use a callback in one binding.",this);var i;e.to.forEach(t=>{if(t.properties.length&&t.properties.length!==o)throw new hn.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(n[0]).callback=e.callback),i=this._observable,this._to.forEach(t=>{const e=i[Bo];let n;e.get(t.observable)||i.listenTo(t.observable,"change",(o,r)=>{n=e.get(t.observable)[r],n&&n.forEach(t=>{Go(i,t.property)})})}),function(t){let e;t._bindings.forEach((n,o)=>{t._to.forEach(i=>{e=i.properties[n.callback?0:t._bindProperties.indexOf(o)],n.to.push([i.observable,e]),function(t,e,n,o){const i=t[Bo],r=i.get(n),s=r||{};s[o]||(s[o]=new Set);s[o].add(e),r||i.set(n,s)}(t._observable,n,i.observable,e)})})}(this),this._bindProperties.forEach(t=>{Go(this._observable,t)})}function $o(t,e,n){if(this._bindings.size>1)throw new hn.b("observable-bind-to-many-not-one-binding: Cannot bind multiple properties with toMany().",this);this.to(...function(t,e){const n=t.map(t=>[t,e]);return Array.prototype.concat.apply([],n)}(t,e),n)}function Yo(t){return t.every(t=>"string"==typeof t)}function Go(t,e){const n=t[Fo].get(e);let o;n.callback?o=n.callback.apply(t,n.to.map(t=>t[0][t[1]])):(o=n.to[0],o=o[0][o[1]]),t.hasOwnProperty(e)?t[e]=o:t.set(e,o)}class Qo extends Lo{constructor(t,e,n,o){super(t,e,n,o),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 n=t&&t.replace(/^view:/,"");return e?"editableElement"==n&&e==this.name||super.is(t,e):"editableElement"==n||super.is(t)}destroy(){this.stopListening()}}yn(Qo,Ho);const Ko=Symbol("rootName");class Jo extends Qo{constructor(t,e){super(t,e),this.rootName="main"}is(t,e=null){const n=t.replace(/^view:/,"");return e?"rootElement"==n&&e==this.name||super.is(t,e):"rootElement"==n||super.is(t)}get rootName(){return this.getCustomProperty(Ko)}set rootName(t){this._setCustomProperty(Ko,t)}set _name(t){this.name=t}}class Zo{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new hn.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 hn.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=Xo._createAt(t.startPosition):this.position=Xo._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,n,o;do{o=this.position,({done:e,value:n}=this.next())}while(!e&&t(n));e||(this.position=o)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){let t=this.position.clone();const e=this.position,n=t.parent;if(null===n.parent&&t.offset===n.childCount)return{done:!0};if(n===this._boundaryEndParent&&t.offset==this.boundaries.end.offset)return{done:!0};let o;if(n instanceof On){if(t.isAtEnd)return this.position=Xo._createAfter(n),this._next();o=n.data[t.offset]}else o=n.getChild(t.offset);if(o instanceof Ro)return this.shallow?t.offset++:t=new Xo(o,0),this.position=t,this._formatReturnValue("elementStart",o,e,t,1);if(o instanceof On){if(this.singleCharacters)return t=new Xo(o,0),this.position=t,this._next();{let n,i=o.data.length;return o==this._boundaryEndParent?(i=this.boundaries.end.offset,n=new Rn(o,0,i),t=Xo._createAfter(n)):(n=new Rn(o,0,o.data.length),t.offset++),this.position=t,this._formatReturnValue("text",n,e,t,i)}}if("string"==typeof o){let o;if(this.singleCharacters)o=1;else{o=(n===this._boundaryEndParent?this.boundaries.end.offset:n.data.length)-t.offset}const i=new Rn(n,t.offset,o);return t.offset+=o,this.position=t,this._formatReturnValue("text",i,e,t,o)}return t=Xo._createAfter(n),this.position=t,this.ignoreElementEnd?this._next():this._formatReturnValue("elementEnd",n,e,t)}_previous(){let t=this.position.clone();const e=this.position,n=t.parent;if(null===n.parent&&0===t.offset)return{done:!0};if(n==this._boundaryStartParent&&t.offset==this.boundaries.start.offset)return{done:!0};let o;if(n instanceof On){if(t.isAtStart)return this.position=Xo._createBefore(n),this._previous();o=n.data[t.offset-1]}else o=n.getChild(t.offset-1);if(o instanceof Ro)return this.shallow?(t.offset--,this.position=t,this._formatReturnValue("elementStart",o,e,t,1)):(t=new Xo(o,o.childCount),this.position=t,this.ignoreElementEnd?this._previous():this._formatReturnValue("elementEnd",o,e,t));if(o instanceof On){if(this.singleCharacters)return t=new Xo(o,o.data.length),this.position=t,this._previous();{let n,i=o.data.length;if(o==this._boundaryStartParent){const e=this.boundaries.start.offset;n=new Rn(o,e,o.data.length-e),i=n.data.length,t=Xo._createBefore(n)}else n=new Rn(o,0,o.data.length),t.offset--;return this.position=t,this._formatReturnValue("text",n,e,t,i)}}if("string"==typeof o){let o;if(this.singleCharacters)o=1;else{const e=n===this._boundaryStartParent?this.boundaries.start.offset:0;o=t.offset-e}t.offset-=o;const i=new Rn(n,t.offset,o);return this.position=t,this._formatReturnValue("text",i,e,t,o)}return t=Xo._createBefore(n),this.position=t,this._formatReturnValue("elementStart",n,e,t,1)}_formatReturnValue(t,e,n,o,i){return e instanceof Rn&&(e.offsetInText+e.data.length==e.textNode.data.length&&("forward"!=this.direction||this.boundaries&&this.boundaries.end.isEqual(this.position)?n=Xo._createAfter(e.textNode):(o=Xo._createAfter(e.textNode),this.position=o)),0===e.offsetInText&&("backward"!=this.direction||this.boundaries&&this.boundaries.start.isEqual(this.position)?n=Xo._createBefore(e.textNode):(o=Xo._createBefore(e.textNode),this.position=o))),{done:!1,value:{type:t,item:e,previousPosition:n,nextPosition:o,length:i}}}}class Xo{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 Qo);){if(!t.parent)return null;t=t.parent}return t}getShiftedBy(t){const e=Xo._createAt(this),n=e.offset+t;return e.offset=n<0?0:n,e}getLastMatchingPosition(t,e={}){e.startPosition=this;const n=new Zo(e);return n.skip(t),n.position}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonAncestor(t){const e=this.getAncestors(),n=t.getAncestors();let o=0;for(;e[o]==n[o]&&e[o];)o++;return 0===o?null:e[o-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():[],n=t.parent.is("node")?t.parent.getPath():[];e.push(this.offset),n.push(t.offset);const o=En(e,n);switch(o){case"prefix":return"before";case"extension":return"after";default:return e[o]<n[o]?"before":"after"}}getWalker(t={}){return t.startPosition=this,new Zo(t)}clone(){return new Xo(this.parent,this.offset)}static _createAt(t,e){if(t instanceof Xo)return new this(t.parent,t.offset);{const n=t;if("end"==e)e=n.is("text")?n.data.length:n.childCount;else{if("before"==e)return this._createBefore(n);if("after"==e)return this._createAfter(n);if(0!==e&&!e)throw new hn.b("view-createPositionAt-offset-required: View#createPositionAt() requires the offset when the first parameter is a view item.",n)}return new Xo(n,e)}}static _createAfter(t){if(t.is("textProxy"))return new Xo(t.textNode,t.offsetInText+t.data.length);if(!t.parent)throw new hn.b("view-position-after-root: You can not make position after root.",t,{root:t});return new Xo(t.parent,t.index+1)}static _createBefore(t){if(t.is("textProxy"))return new Xo(t.textNode,t.offsetInText);if(!t.parent)throw new hn.b("view-position-before-root: You can not make position before root.",t,{root:t});return new Xo(t.parent,t.index)}}class ti{constructor(t,e=null){this.start=t.clone(),this.end=e?e.clone():t.clone()}*[Symbol.iterator](){yield*new Zo({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(ei,{direction:"backward"}),e=this.end.getLastMatchingPosition(ei);return t.parent.is("text")&&t.isAtStart&&(t=Xo._createBefore(t.parent)),e.parent.is("text")&&e.isAtEnd&&(e=Xo._createAfter(e.parent)),new ti(t,e)}getTrimmed(){let t=this.start.getLastMatchingPosition(ei);if(t.isAfter(this.end)||t.isEqual(this.end))return new ti(t,t);let e=this.end.getLastMatchingPosition(ei,{direction:"backward"});const n=t.nodeAfter,o=e.nodeBefore;return n&&n.is("text")&&(t=new Xo(n,0)),o&&o.is("text")&&(e=new Xo(o,o.data.length)),new ti(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 n=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),o=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return n&&o}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new ti(this.start,t.start)),this.containsPosition(t.end)&&e.push(new ti(t.end,this.end))):e.push(this.clone()),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,n=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(n=t.end),new ti(e,n)}return null}getWalker(t={}){return t.boundaries=this,new Zo(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 ti(this.start,this.end)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new Zo(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new Zo(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,n,o){return new this(new Xo(t,e),new Xo(n,o))}static _createFromPositionAndShift(t,e){const n=t,o=t.getShiftedBy(e);return e>0?new this(n,o):new this(o,n)}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(Xo._createBefore(t),e)}}function ei(t){return!(!t.item.is("attributeElement")&&!t.item.is("uiElement"))}function ni(t){let e=0;for(const n of t)e++;return e}class oi{constructor(t=null,e,n){this._ranges=[],this._lastRangeBackward=!1,this._isFake=!1,this._fakeSelectionLabel="",this.setTo(t,e,n)}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 n=!1;for(const o of t._ranges)if(e.isEqual(o)){n=!0;break}if(!n)return!1}return!0}isSimilar(t){if(this.isBackward!=t.isBackward)return!1;const e=ni(this.getRanges());if(e!=ni(t.getRanges()))return!1;if(0==e)return!0;for(let e of this.getRanges()){e=e.getTrimmed();let n=!1;for(let o of t.getRanges())if(o=o.getTrimmed(),e.start.isEqual(o.start)&&e.end.isEqual(o.end)){n=!0;break}if(!n)return!1}return!0}getSelectedElement(){return 1!==this.rangeCount?null:this.getFirstRange().getContainedElement()}setTo(t,e,n){if(null===t)this._setRanges([]),this._setFakeOptions(e);else if(t instanceof oi||t instanceof ii)this._setRanges(t.getRanges(),t.isBackward),this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel});else if(t instanceof ti)this._setRanges([t],e&&e.backward),this._setFakeOptions(e);else if(t instanceof Xo)this._setRanges([new ti(t)]),this._setFakeOptions(e);else if(t instanceof Nn){const o=!!n&&!!n.backward;let i;if(void 0===e)throw new hn.b("view-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.",this);i="in"==e?ti._createIn(t):"on"==e?ti._createOn(t):new ti(Xo._createAt(t,e)),this._setRanges([i],o),this._setFakeOptions(n)}else{if(!Dn(t))throw new hn.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 hn.b("view-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.",this);const n=Xo._createAt(t,e);if("same"==n.compareWith(this.focus))return;const o=this.anchor;this._ranges.pop(),"before"==n.compareWith(o)?this._addRange(new ti(n,o),!0):this._addRange(new ti(o,n)),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 ti))throw new hn.b("view-selection-add-range-not-range: Selection range set to an object that is not an instance of view.Range",this);this._pushRange(t),this._lastRangeBackward=!!e}_pushRange(t){for(const e of this._ranges)if(t.isIntersecting(e))throw new hn.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 ti(t.start,t.end))}}yn(oi,gn);class ii{constructor(t=null,e,n){this._selection=new oi,this._selection.delegate("change").to(this),this._selection.setTo(t,e,n)}get isFake(){return this._selection.isFake}get fakeSelectionLabel(){return this._selection.fakeSelectionLabel}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get isCollapsed(){return this._selection.isCollapsed}get rangeCount(){return this._selection.rangeCount}get isBackward(){return this._selection.isBackward}get editableElement(){return this._selection.editableElement}get _ranges(){return this._selection._ranges}*getRanges(){yield*this._selection.getRanges()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getSelectedElement(){return this._selection.getSelectedElement()}isEqual(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,n){this._selection.setTo(t,e,n)}_setFocus(t,e){this._selection.setFocus(t,e)}}yn(ii,gn);class ri{constructor(t){this.selection=new ii,this.roots=new xn({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 n of this._postFixers)if(e=n(t),e)break}while(e)}}yn(ri,Ho);class si extends Ro{constructor(t,e,n,o){super(t,e,n,o),this.getFillerOffset=ai,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 hn.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 n=t&&t.replace(/^view:/,"");return e?"attributeElement"==n&&e==this.name||super.is(t,e):"attributeElement"==n||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 ai(){if(ci(this))return null;let t=this.parent;for(;t&&t.is("attributeElement");){if(ci(t)>1)return null;t=t.parent}return!t||ci(t)>1?null:this.childCount}function ci(t){return Array.from(t.getChildren()).filter(t=>!t.is("uiElement")).length}si.DEFAULT_PRIORITY=10;class li extends Ro{constructor(t,e,n,o){super(t,e,n,o),this.getFillerOffset=di}is(t,e=null){const n=t.replace(/^view:/,"");return e?"emptyElement"==n&&e==this.name||super.is(t,e):"emptyElement"==n||super.is(t)}_insertChild(t,e){if(e&&(e instanceof Nn||Array.from(e).length>0))throw new hn.b("view-emptyelement-cannot-add: Cannot add child nodes to EmptyElement instance.",[this,e])}}function di(){return null}const ui=navigator.userAgent.toLowerCase();var hi={isMac:function(t){return t.indexOf("macintosh")>-1}(ui),isEdge:function(t){return!!t.match(/edge\/(\d+.?\d*)/)}(ui),isGecko:function(t){return!!t.match(/gecko\/\d+/)}(ui),isSafari:function(t){return t.indexOf(" applewebkit/")>-1&&-1===t.indexOf("chrome")}(ui),isAndroid:function(t){return t.indexOf("android")>-1}(ui),features:{isRegExpUnicodePropertySupported:function(){let t=!1;try{t=0==="ć".search(new RegExp("[\\p{L}]","u"))}catch(t){}return t}()}};const fi={"⌘":"ctrl","⇧":"shift","⌥":"alt"},mi={ctrl:"⌘",shift:"⇧",alt:"⌥"},gi=function(){const t={arrowleft:37,arrowup:38,arrowright:39,arrowdown:40,backspace:8,delete:46,enter:13,space:32,esc:27,tab:9,ctrl:1114112,cmd:1114112,shift:2228224,alt:4456448};for(let e=65;e<=90;e++){const n=String.fromCharCode(e);t[n.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 pi(t){let e;if("string"==typeof t){if(e=gi[t.toLowerCase()],!e)throw new hn.b("keyboard-unknown-key: Unknown key name.",null,{key:t})}else e=t.keyCode+(t.altKey?gi.alt:0)+(t.ctrlKey?gi.ctrl:0)+(t.shiftKey?gi.shift:0);return e}function bi(t){return"string"==typeof t&&(t=ki(t)),t.map(t=>"string"==typeof t?pi(t):t).reduce((t,e)=>e+t,0)}function wi(t){return hi.isMac?ki(t).map(t=>mi[t.toLowerCase()]||t).reduce((t,e)=>t.slice(-1)in fi?t+e:t+"+"+e):t}function ki(t){return t.split(/\s*\+\s*/)}class _i extends Ro{constructor(t,e,n,o){super(t,e,n,o),this.getFillerOffset=yi}is(t,e=null){const n=t.replace(/^view:/,"");return e?"uiElement"==n&&e==this.name||super.is(t,e):"uiElement"==n||super.is(t)}_insertChild(t,e){if(e&&(e instanceof Nn||Array.from(e).length>0))throw new hn.b("view-uielement-cannot-add: Cannot add child nodes to UIElement instance.",this)}render(t){return this.toDomElement(t)}toDomElement(t){const e=t.createElement(this.name);for(const t of this.getAttributeKeys())e.setAttribute(t,this.getAttribute(t));return e}}function vi(t){t.document.on("keydown",(e,n)=>function(t,e,n){if(e.keyCode==gi.arrowright){const t=e.domTarget.ownerDocument.defaultView.getSelection(),o=1==t.rangeCount&&t.getRangeAt(0).collapsed;if(o||e.shiftKey){const e=t.focusNode,i=t.focusOffset,r=n.domPositionToView(e,i);if(null===r)return;let s=!1;const a=r.getLastMatchingPosition(t=>(t.item.is("uiElement")&&(s=!0),!(!t.item.is("uiElement")&&!t.item.is("attributeElement"))));if(s){const e=n.viewPositionToDom(a);o?t.collapse(e.parent,e.offset):t.extend(e.parent,e.offset)}}}}(0,n,t.domConverter))}function yi(){return null}class xi{constructor(t,e){this.document=t,this._children=[],e&&this._insertChild(0,e)}[Symbol.iterator](){return this._children[Symbol.iterator]()}get childCount(){return this._children.length}get isEmpty(){return 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 n=0;const o=function(t,e){if("string"==typeof e)return[new On(t,e)];Dn(e)||(e=[e]);return Array.from(e).map(e=>"string"==typeof e?new On(t,e):e instanceof Rn?new On(t,e.data):e)}(this.document,e);for(const e of o)null!==e.parent&&e._remove(),e.parent=this,this._children.splice(t,0,e),t++,n++;return n}_removeChildren(t,e=1){this._fireChange("children",this);for(let n=t;n<t+e;n++)this._children[n].parent=null;return this._children.splice(t,e)}_fireChange(t,e){this.fire("change:"+t,e)}}yn(xi,gn);class Ai{constructor(t){this.document=t,this._cloneGroups=new Map}setSelection(t,e,n){this.document.selection._setTo(t,e,n)}setSelectionFocus(t,e){this.document.selection._setFocus(t,e)}createText(t){return new On(this.document,t)}createAttributeElement(t,e,n={}){const o=new si(this.document,t,e);return n.priority&&(o._priority=n.priority),n.id&&(o._id=n.id),o}createContainerElement(t,e){return new Lo(this.document,t,e)}createEditableElement(t,e){const n=new Qo(this.document,t,e);return n._document=this.document,n}createEmptyElement(t,e){return new li(this.document,t,e)}createUIElement(t,e,n){const o=new _i(this.document,t,e);return n&&(o.render=n),o}setAttribute(t,e,n){n._setAttribute(t,e)}removeAttribute(t,e){e._removeAttribute(t)}addClass(t,e){e._addClass(t)}removeClass(t,e){e._removeClass(t)}setStyle(t,e,n){y(t)&&void 0===n&&(n=e),n._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,n){n._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}breakAttributes(t){return t instanceof Xo?this._breakAttributes(t):this._breakAttributesRange(t)}breakContainer(t){const e=t.parent;if(!e.is("containerElement"))throw new hn.b("view-writer-break-non-container-element: Trying to break an element which is not a container element.",this.document);if(!e.parent)throw new hn.b("view-writer-break-root: Trying to break root element.",this.document);if(t.isAtStart)return Xo._createBefore(e);if(!t.isAtEnd){const n=e._clone(!1);this.insert(Xo._createAfter(e),n);const o=new ti(t,Xo._createAt(e,"end")),i=new Xo(n,0);this.move(o,i)}return Xo._createAfter(e)}mergeAttributes(t){const e=t.offset,n=t.parent;if(n.is("text"))return t;if(n.is("attributeElement")&&0===n.childCount){const t=n.parent,e=n.index;return n._remove(),this._removeFromClonedElementsGroup(n),this.mergeAttributes(new Xo(t,e))}const o=n.getChild(e-1),i=n.getChild(e);if(!o||!i)return t;if(o.is("text")&&i.is("text"))return Mi(o,i);if(o.is("attributeElement")&&i.is("attributeElement")&&o.isSimilar(i)){const t=o.childCount;return o._appendChild(i.getChildren()),i._remove(),this._removeFromClonedElementsGroup(i),this.mergeAttributes(new Xo(o,t))}return t}mergeContainers(t){const e=t.nodeBefore,n=t.nodeAfter;if(!(e&&n&&e.is("containerElement")&&n.is("containerElement")))throw new hn.b("view-writer-merge-containers-invalid-position: Element before and after given position cannot be merged.",this.document);const o=e.getChild(e.childCount-1),i=o instanceof On?Xo._createAt(o,"end"):Xo._createAt(e,"end");return this.move(ti._createIn(n),Xo._createAt(e,"end")),this.remove(ti._createOn(n)),i}insert(t,e){(function t(e,n){for(const o of e){if(!Ei.some(t=>o instanceof t))throw new hn.b("view-writer-insert-invalid-node",n);o.is("text")||t(o.getChildren(),n)}})(e=Dn(e)?[...e]:[e],this.document);const n=Ci(t);if(!n)throw new hn.b("view-writer-invalid-position-container",this.document);const o=this._breakAttributes(t,!0),i=n._insertChild(o.offset,e);for(const t of e)this._addToClonedElementsGroup(t);const r=o.getShiftedBy(i),s=this.mergeAttributes(o);if(0===i)return new ti(s,s);{s.isEqual(o)||r.offset--;const t=this.mergeAttributes(r);return new ti(s,t)}}remove(t){const e=t instanceof ti?t:ti._createOn(t);if(Ni(e,this.document),e.isCollapsed)return new xi(this.document);const{start:n,end:o}=this._breakAttributesRange(e,!0),i=n.parent,r=o.offset-n.offset,s=i._removeChildren(n.offset,r);for(const t of s)this._removeFromClonedElementsGroup(t);const a=this.mergeAttributes(n);return e.start=a,e.end=a.clone(),new xi(this.document,s)}clear(t,e){Ni(t,this.document);const n=t.getWalker({direction:"backward",ignoreElementEnd:!0});for(const o of n){const n=o.item;let i;if(n.is("element")&&e.isSimilar(n))i=ti._createOn(n);else if(!o.nextPosition.isAfter(t.start)&&n.is("textProxy")){const t=n.getAncestors().find(t=>t.is("element")&&e.isSimilar(t));t&&(i=ti._createIn(t))}i&&(i.end.isAfter(t.end)&&(i.end=t.end),i.start.isBefore(t.start)&&(i.start=t.start),this.remove(i))}}move(t,e){let n;if(e.isAfter(t.end)){const o=(e=this._breakAttributes(e,!0)).parent,i=o.childCount;t=this._breakAttributesRange(t,!0),n=this.remove(t),e.offset+=o.childCount-i}else n=this.remove(t);return this.insert(e,n)}wrap(t,e){if(!(e instanceof si))throw new hn.b("view-writer-wrap-invalid-attribute",this.document);if(Ni(t,this.document),t.isCollapsed){let o=t.start;o.parent.is("element")&&(n=o.parent,!Array.from(n.getChildren()).some(t=>!t.is("uiElement")))&&(o=o.getLastMatchingPosition(t=>t.item.is("uiElement"))),o=this._wrapPosition(o,e);const i=this.document.selection;return i.isCollapsed&&i.getFirstPosition().isEqual(t.start)&&this.setSelection(o),new ti(o)}return this._wrapRange(t,e);var n}unwrap(t,e){if(!(e instanceof si))throw new hn.b("view-writer-unwrap-invalid-attribute",this.document);if(Ni(t,this.document),t.isCollapsed)return t;const{start:n,end:o}=this._breakAttributesRange(t,!0),i=n.parent,r=this._unwrapChildren(i,n.offset,o.offset,e),s=this.mergeAttributes(r.start);s.isEqual(r.start)||r.end.offset--;const a=this.mergeAttributes(r.end);return new ti(s,a)}rename(t,e){const n=new Lo(this.document,t,e.getAttributes());return this.insert(Xo._createAfter(e),n),this.move(ti._createIn(e),Xo._createAt(n,0)),this.remove(ti._createOn(e)),n}clearClonedElementsGroup(t){this._cloneGroups.delete(t)}createPositionAt(t,e){return Xo._createAt(t,e)}createPositionAfter(t){return Xo._createAfter(t)}createPositionBefore(t){return Xo._createBefore(t)}createRange(t,e){return new ti(t,e)}createRangeOn(t){return ti._createOn(t)}createRangeIn(t){return ti._createIn(t)}createSelection(t,e,n){return new oi(t,e,n)}_wrapChildren(t,e,n,o){let i=e;const r=[];for(;i<n;){const e=t.getChild(i),n=e.is("text"),s=e.is("attributeElement"),a=e.is("emptyElement"),c=e.is("uiElement");if(s&&this._wrapAttributeElement(o,e))r.push(new Xo(t,i));else if(n||a||c||s&&Ti(o,e)){const n=o._clone();e._remove(),n._appendChild(e),t._insertChild(i,n),this._addToClonedElementsGroup(n),r.push(new Xo(t,i))}else s&&this._wrapChildren(e,0,e.childCount,o);i++}let s=0;for(const t of r){if(t.offset-=s,t.offset==e)continue;this.mergeAttributes(t).isEqual(t)||(s++,n--)}return ti._createFromParentsAndOffsets(t,e,t,n)}_unwrapChildren(t,e,n,o){let i=e;const r=[];for(;i<n;){const e=t.getChild(i);if(e.is("attributeElement"))if(e.isSimilar(o)){const o=e.getChildren(),s=e.childCount;e._remove(),t._insertChild(i,o),this._removeFromClonedElementsGroup(e),r.push(new Xo(t,i),new Xo(t,i+s)),i+=s,n+=s-1}else this._unwrapAttributeElement(o,e)?(r.push(new Xo(t,i),new Xo(t,i+1)),i++):(this._unwrapChildren(e,0,e.childCount,o),i++);else i++}let s=0;for(const t of r){if(t.offset-=s,t.offset==e||t.offset==n)continue;this.mergeAttributes(t).isEqual(t)||(s++,n--)}return ti._createFromParentsAndOffsets(t,e,t,n)}_wrapRange(t,e){const{start:n,end:o}=this._breakAttributesRange(t,!0),i=n.parent,r=this._wrapChildren(i,n.offset,o.offset,e),s=this.mergeAttributes(r.start);s.isEqual(r.start)||r.end.offset--;const a=this.mergeAttributes(r.end);return new ti(s,a)}_wrapPosition(t,e){if(e.isSimilar(t.parent))return Pi(t.clone());t.parent.is("text")&&(t=Si(t));const n=this.createAttributeElement();n._priority=Number.POSITIVE_INFINITY,n.isSimilar=()=>!1,t.parent._insertChild(t.offset,n);const o=new ti(t,t.getShiftedBy(1));this.wrap(o,e);const i=new Xo(n.parent,n.index);n._remove();const r=i.nodeBefore,s=i.nodeAfter;return r instanceof On&&s instanceof On?Mi(r,s):Pi(i)}_wrapAttributeElement(t,e){if(!Oi(t,e))return!1;if(t.name!==e.name||t.priority!==e.priority)return!1;for(const n of t.getAttributeKeys())if("class"!==n&&"style"!==n&&e.hasAttribute(n)&&e.getAttribute(n)!==t.getAttribute(n))return!1;for(const n of t.getStyleNames())if(e.hasStyle(n)&&e.getStyle(n)!==t.getStyle(n))return!1;for(const n of t.getAttributeKeys())"class"!==n&&"style"!==n&&(e.hasAttribute(n)||this.setAttribute(n,t.getAttribute(n),e));for(const n of t.getStyleNames())e.hasStyle(n)||this.setStyle(n,t.getStyle(n),e);for(const n of t.getClassNames())e.hasClass(n)||this.addClass(n,e);return!0}_unwrapAttributeElement(t,e){if(!Oi(t,e))return!1;if(t.name!==e.name||t.priority!==e.priority)return!1;for(const n of t.getAttributeKeys())if("class"!==n&&"style"!==n&&(!e.hasAttribute(n)||e.getAttribute(n)!==t.getAttribute(n)))return!1;if(!e.hasClass(...t.getClassNames()))return!1;for(const n of t.getStyleNames())if(!e.hasStyle(n)||e.getStyle(n)!==t.getStyle(n))return!1;for(const n of t.getAttributeKeys())"class"!==n&&"style"!==n&&this.removeAttribute(n,e);return this.removeClass(Array.from(t.getClassNames()),e),this.removeStyle(Array.from(t.getStyleNames()),e),!0}_breakAttributesRange(t,e=!1){const n=t.start,o=t.end;if(Ni(t,this.document),t.isCollapsed){const n=this._breakAttributes(t.start,e);return new ti(n,n)}const i=this._breakAttributes(o,e),r=i.parent.childCount,s=this._breakAttributes(n,e);return i.offset+=i.parent.childCount-r,new ti(s,i)}_breakAttributes(t,e=!1){const n=t.offset,o=t.parent;if(t.parent.is("emptyElement"))throw new hn.b("view-writer-cannot-break-empty-element",this.document);if(t.parent.is("uiElement"))throw new hn.b("view-writer-cannot-break-ui-element",this.document);if(!e&&o.is("text")&&Ii(o.parent))return t.clone();if(Ii(o))return t.clone();if(o.is("text"))return this._breakAttributes(Si(t),e);if(n==o.childCount){const t=new Xo(o.parent,o.index+1);return this._breakAttributes(t,e)}if(0===n){const t=new Xo(o.parent,o.index);return this._breakAttributes(t,e)}{const t=o.index+1,i=o._clone();o.parent._insertChild(t,i),this._addToClonedElementsGroup(i);const r=o.childCount-n,s=o._removeChildren(n,r);i._appendChild(s);const a=new Xo(o.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 n=this._cloneGroups.get(e);n||(n=new Set,this._cloneGroups.set(e,n)),n.add(t),t._clonesGroup=n}_removeFromClonedElementsGroup(t){if(t.is("element"))for(const e of t.getChildren())this._removeFromClonedElementsGroup(e);const e=t.id;if(!e)return;const n=this._cloneGroups.get(e);n&&n.delete(t)}}function Ci(t){let e=t.parent;for(;!Ii(e);){if(!e)return;e=e.parent}return e}function Ti(t,e){return t.priority<e.priority||!(t.priority>e.priority)&&t.getIdentity()<e.getIdentity()}function Pi(t){const e=t.nodeBefore;if(e&&e.is("text"))return new Xo(e,e.data.length);const n=t.nodeAfter;return n&&n.is("text")?new Xo(n,0):t}function Si(t){if(t.offset==t.parent.data.length)return new Xo(t.parent.parent,t.parent.index+1);if(0===t.offset)return new Xo(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 On(t.root.document,e)),new Xo(t.parent.parent,t.parent.index+1)}function Mi(t,e){const n=t.data.length;return t._data+=e.data,e._remove(),new Xo(t,n)}const Ei=[On,si,Lo,li,_i];function Ii(t){return t&&(t.is("containerElement")||t.is("documentFragment"))}function Ni(t,e){const n=Ci(t.start),o=Ci(t.end);if(!n||!o||n!==o)throw new hn.b("view-writer-invalid-range-container",e)}function Oi(t,e){return null===t.id&&null===e.id}function Ri(t){return"[object Text]"==Object.prototype.toString.call(t)}const Di=t=>t.createTextNode(" "),Li=t=>{const e=t.createElement("br");return e.dataset.ckeFiller=!0,e},ji=(()=>{let t="";for(let e=0;e<7;e++)t+="​";return t})();function Vi(t){return Ri(t)&&t.data.substr(0,7)===ji}function zi(t){return 7==t.data.length&&Vi(t)}function Bi(t){return Vi(t)?t.data.slice(7):t.data}function Fi(t,e){if(e.keyCode==gi.arrowleft){const t=e.domTarget.ownerDocument.defaultView.getSelection();if(1==t.rangeCount&&t.getRangeAt(0).collapsed){const e=t.getRangeAt(0).startContainer,n=t.getRangeAt(0).startOffset;Vi(e)&&n<=7&&t.collapse(e,0)}}}function Ui(t,e,n,o=!1){n=n||function(t,e){return t===e},Array.isArray(t)||(t=Array.from(t)),Array.isArray(e)||(e=Array.from(e));const i=function(t,e,n){const o=Hi(t,e,n);if(-1===o)return{firstIndex:-1,lastIndexOld:-1,lastIndexNew:-1};const i=qi(t,o),r=qi(e,o),s=Hi(i,r,n),a=t.length-s,c=e.length-s;return{firstIndex:o,lastIndexOld:a,lastIndexNew:c}}(t,e,n);return o?function(t,e){const{firstIndex:n,lastIndexOld:o,lastIndexNew:i}=t;if(-1===n)return Array(e).fill("equal");let r=[];n>0&&(r=r.concat(Array(n).fill("equal")));i-n>0&&(r=r.concat(Array(i-n).fill("insert")));o-n>0&&(r=r.concat(Array(o-n).fill("delete")));i<e&&(r=r.concat(Array(e-i).fill("equal")));return r}(i,e.length):function(t,e){const n=[],{firstIndex:o,lastIndexOld:i,lastIndexNew:r}=e;r-o>0&&n.push({index:o,type:"insert",values:t.slice(o,r)});i-o>0&&n.push({index:o+(r-o),type:"delete",howMany:i-o});return n}(e,i)}function Hi(t,e,n){for(let o=0;o<Math.max(t.length,e.length);o++)if(void 0===t[o]||void 0===e[o]||!n(t[o],e[o]))return o;return-1}function qi(t,e){return t.slice(e).reverse()}function Wi(t,e,n){n=n||function(t,e){return t===e};const o=t.length,i=e.length;if(o>200||i>200||o+i>300)return Wi.fastDiff(t,e,n,!0);let r,s;if(i<o){const n=t;t=e,e=n,r="delete",s="insert"}else r="insert",s="delete";const a=t.length,c=e.length,l=c-a,d={},u={};function h(o){const i=(void 0!==u[o-1]?u[o-1]:-1)+1,l=void 0!==u[o+1]?u[o+1]:-1,h=i>l?-1:1;d[o+h]&&(d[o]=d[o+h].slice(0)),d[o]||(d[o]=[]),d[o].push(i>l?r:s);let f=Math.max(i,l),m=f-o;for(;m<a&&f<c&&n(t[m],e[f]);)m++,f++,d[o].push("equal");return f}let f,m=0;do{for(f=-m;f<l;f++)u[f]=h(f);for(f=l+m;f>l;f--)u[f]=h(f);u[l]=h(l),m++}while(u[l]!==c);return d[l].slice(1)}function $i(t,e,n){t.insertBefore(n,t.childNodes[e]||null)}function Yi(t){const e=t.parentNode;e&&e.removeChild(t)}function Gi(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}Wi.fastDiff=Ui;class Qi{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 hn.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),n=e.parent.ownerDocument;Vi(e.parent)?this._inlineFiller=e.parent:this._inlineFiller=Ki(n,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 n=this.domConverter.mapViewToDom(t).childNodes,o=Array.from(this.domConverter.viewChildrenToDom(t,e.ownerDocument,{withChildren:!1})),i=this._diffNodeLists(n,o),r=this._findReplaceActions(i,n,o);if(-1!==r.indexOf("replace")){const e={equal:0,insert:0,delete:0};for(const i of r)if("replace"===i){const i=e.equal+e.insert,r=e.equal+e.delete,s=t.getChild(i);s&&!s.is("uiElement")&&this._updateElementMappings(s,n[r]),Yi(o[i]),e.equal++}else e[i]++}}_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")?Xo._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&&Ri(e.parent)&&Vi(e.parent))}_removeInlineFiller(){const t=this._inlineFiller;if(!Vi(t))throw new hn.b("view-renderer-filler-was-lost: The inline filler node was lost.",this);zi(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,n=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(n===e.getFillerOffset())return!1;const o=t.nodeBefore,i=t.nodeAfter;return!(o instanceof On||i instanceof On)}_updateText(t,e){const n=this.domConverter.findCorrespondingDomText(t),o=this.domConverter.viewToDom(t,n.ownerDocument),i=n.data;let r=o.data;const s=e.inlineFillerPosition;if(s&&s.parent==t.parent&&s.offset==t.index&&(r=ji+r),i!=r){const t=Ui(i,r);for(const e of t)"insert"===e.type?n.insertData(e.index,e.values.join("")):n.deleteData(e.index,e.howMany)}}_updateAttrs(t){const e=this.domConverter.mapViewToDom(t);if(!e)return;const n=Array.from(e.attributes).map(t=>t.name),o=t.getAttributeKeys();for(const n of o)e.setAttribute(n,t.getAttribute(n));for(const o of n)t.hasAttribute(o)||e.removeAttribute(o)}_updateChildren(t,e){const n=this.domConverter.mapViewToDom(t);if(!n)return;const o=e.inlineFillerPosition,i=this.domConverter.mapViewToDom(t).childNodes,r=Array.from(this.domConverter.viewChildrenToDom(t,n.ownerDocument,{bind:!0,inlineFillerPosition:o}));o&&o.parent===t&&Ki(n.ownerDocument,r,o.offset);const s=this._diffNodeLists(i,r);let a=0;const c=new Set;for(const t of s)"delete"===t?(c.add(i[a]),Yi(i[a])):"equal"===t&&a++;a=0;for(const t of s)"insert"===t?($i(n,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 Wi(t=function(t,e){const n=Array.from(t);if(0==n.length||!e)return n;n[n.length-1]==e&&n.pop();return n}(t,this._fakeSelectionContainer),e,Zi.bind(null,this.domConverter))}_findReplaceActions(t,e,n){if(-1===t.indexOf("insert")||-1===t.indexOf("delete"))return t;let o=[],i=[],r=[];const s={equal:0,insert:0,delete:0};for(const a of t)"insert"===a?r.push(n[s.equal+s.insert]):"delete"===a?i.push(e[s.equal+s.delete]):(o=o.concat(Wi(i,r,Ji).map(t=>"equal"===t?"replace":t)),o.push("equal"),i=[],r=[]),s[a]++;return o.concat(Wi(i,r,Ji).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 n=this._fakeSelectionContainer;if(this.domConverter.bindFakeSelection(n,this.selection),!this._fakeSelectionNeedsUpdate(t))return;n.parentElement&&n.parentElement==t||t.appendChild(n),n.textContent=this.selection.fakeSelectionLabel||" ";const o=e.getSelection(),i=e.createRange();o.removeAllRanges(),i.selectNodeContents(n),o.addRange(i)}_updateDomSelection(t){const e=t.ownerDocument.defaultView.getSelection();if(!this._domSelectionNeedsUpdate(e))return;const n=this.domConverter.viewPositionToDom(this.selection.anchor),o=this.domConverter.viewPositionToDom(this.selection.focus);t.focus(),e.collapse(n.parent,n.offset),e.extend(o.parent,o.offset),hi.isGecko&&function(t,e){const n=t.parent;if(n.nodeType!=Node.ELEMENT_NODE||t.offset!=n.childNodes.length-1)return;const o=n.childNodes[t.offset];o&&"BR"==o.tagName&&e.addRange(e.getRangeAt(0))}(o,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,n=t.ownerDocument.getSelection();return!e||e.parentElement!==t||(n.anchorNode!==e&&!e.contains(n.anchorNode)||e.textContent!==this.selection.fakeSelectionLabel)}_removeDomSelection(){for(const t of this.domDocuments){if(t.getSelection().rangeCount){const e=t.activeElement,n=this.domConverter.mapDomToView(e);e&&n&&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 Ki(t,e,n){const o=e instanceof Array?e:e.childNodes,i=o[n];if(Ri(i))return i.data=ji+i.data,i;{const i=t.createTextNode(ji);return Array.isArray(e)?o.splice(n,0,i):$i(e,n,i),i}}function Ji(t,e){return Gi(t)&&Gi(e)&&!Ri(t)&&!Ri(e)&&t.tagName.toLowerCase()===e.tagName.toLowerCase()}function Zi(t,e,n){return e===n||(Ri(e)&&Ri(n)?e.data===n.data:!(!t.isBlockFiller(e)||!t.isBlockFiller(n)))}yn(Qi,Ho);var Xi={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 nr=Li(document);class or{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?Li:Di,this._domToViewMapping=new WeakMap,this._viewToDomMapping=new WeakMap,this._fakeSelectionMapping=new WeakMap}bindFakeSelection(t,e){this._fakeSelectionMapping.set(t,new oi(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,n={}){if(t.is("text")){const n=this._processDataFromViewText(t);return e.createTextNode(n)}{if(this.mapViewToDom(t))return this.mapViewToDom(t);let o;if(t.is("documentFragment"))o=e.createDocumentFragment(),n.bind&&this.bindDocumentFragments(o,t);else{if(t.is("uiElement"))return o=t.render(e),n.bind&&this.bindElements(o,t),o;o=t.hasAttribute("xmlns")?e.createElementNS(t.getAttribute("xmlns"),t.name):e.createElement(t.name),n.bind&&this.bindElements(o,t);for(const e of t.getAttributeKeys())o.setAttribute(e,t.getAttribute(e))}if(n.withChildren||void 0===n.withChildren)for(const i of this.viewChildrenToDom(t,e,n))o.appendChild(i);return o}}*viewChildrenToDom(t,e,n={}){const o=t.getFillerOffset&&t.getFillerOffset();let i=0;for(const r of t.getChildren())o===i&&(yield this._blockFiller(e)),yield this.viewToDom(r,e,n),i++;o===i&&(yield this._blockFiller(e))}viewRangeToDom(t){const e=this.viewPositionToDom(t.start),n=this.viewPositionToDom(t.end),o=document.createRange();return o.setStart(e.parent,e.offset),o.setEnd(n.parent,n.offset),o}viewPositionToDom(t){const e=t.parent;if(e.is("text")){const n=this.findCorrespondingDomText(e);if(!n)return null;let o=t.offset;return Vi(n)&&(o+=7),{parent:n,offset:o}}{let n,o,i;if(0===t.offset){if(n=this.mapViewToDom(e),!n)return null;i=n.childNodes[0]}else{const e=t.nodeBefore;if(o=e.is("text")?this.findCorrespondingDomText(e):this.mapViewToDom(t.nodeBefore),!o)return null;n=o.parentNode,i=o.nextSibling}if(Ri(i)&&Vi(i))return{parent:i,offset:7};return{parent:n,offset:o?tr(o)+1:0}}}domToView(t,e={}){if(this.isBlockFiller(t,this.blockFillerMode))return null;const n=this.getParentUIElement(t,this._domToViewMapping);if(n)return n;if(Ri(t)){if(zi(t))return null;{const e=this._processDataFromDomText(t);return""===e?null:new On(this.document,e)}}if(this.isComment(t))return null;{if(this.mapDomToView(t))return this.mapDomToView(t);let n;if(this.isDocumentFragment(t))n=new xi(this.document),e.bind&&this.bindDocumentFragments(t,n);else{const o=e.keepOriginalCase?t.tagName:t.tagName.toLowerCase();n=new Ro(this.document,o),e.bind&&this.bindElements(t,n);const i=t.attributes;for(let t=i.length-1;t>=0;t--)n._setAttribute(i[t].name,i[t].value)}if(e.withChildren||void 0===e.withChildren)for(const o of this.domChildrenToView(t,e))n._appendChild(o);return n}}*domChildrenToView(t,e={}){for(let n=0;n<t.childNodes.length;n++){const o=t.childNodes[n],i=this.domToView(o,e);null!==i&&(yield i)}}domSelectionToView(t){if(1===t.rangeCount){let e=t.getRangeAt(0).startContainer;Ri(e)&&(e=e.parentNode);const n=this.fakeSelectionToView(e);if(n)return n}const e=this.isDomSelectionBackward(t),n=[];for(let e=0;e<t.rangeCount;e++){const o=t.getRangeAt(e),i=this.domRangeToView(o);i&&n.push(i)}return new oi(n,{backward:e})}domRangeToView(t){const e=this.domPositionToView(t.startContainer,t.startOffset),n=this.domPositionToView(t.endContainer,t.endOffset);return e&&n?new ti(e,n):null}domPositionToView(t,e){if(this.isBlockFiller(t,this.blockFillerMode))return this.domPositionToView(t.parentNode,tr(t));const n=this.mapDomToView(t);if(n&&n.is("uiElement"))return Xo._createBefore(n);if(Ri(t)){if(zi(t))return this.domPositionToView(t.parentNode,tr(t));const n=this.findCorrespondingViewText(t);let o=e;return n?(Vi(t)&&(o-=7,o=o<0?0:o),new Xo(n,o)):null}if(0===e){const e=this.mapDomToView(t);if(e)return new Xo(e,0)}else{const n=t.childNodes[e-1],o=Ri(n)?this.findCorrespondingViewText(n):this.mapDomToView(n);if(o&&o.parent)return new Xo(o.parent,o.index+1)}return null}mapDomToView(t){return this.getParentUIElement(t)||this._domToViewMapping.get(t)}findCorrespondingViewText(t){if(zi(t))return null;const e=this.getParentUIElement(t);if(e)return e;const n=t.previousSibling;if(n){if(!this.isElement(n))return null;const t=this.mapDomToView(n);if(t){return t.nextSibling instanceof On?t.nextSibling:null}}else{const e=this.mapDomToView(t.parentNode);if(e){const t=e.getChild(0);return t instanceof On?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:n}=Xi.window,o=[];rr(e,t=>{const{scrollLeft:e,scrollTop:n}=t;o.push([e,n])}),e.focus(),rr(e,t=>{const[e,n]=o.shift();t.scrollLeft=e,t.scrollTop=n}),Xi.window.scrollTo(t,n)}}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(nr):!("BR"!==t.tagName||!sr(t,this.blockElements)||1!==t.parentNode.childNodes.length)||function(t,e){return Ri(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 n=e.collapsed;return e.detach(),n}getParentUIElement(t){const e=er(t);for(e.pop();e.length;){const t=e.pop(),n=this._domToViewMapping.get(t);if(n&&n.is("uiElement"))return n}return null}isDomSelectionCorrect(t){return this._isDomSelectionPositionCorrect(t.anchorNode,t.anchorOffset)&&this._isDomSelectionPositionCorrect(t.focusNode,t.focusOffset)}_isDomSelectionPositionCorrect(t,e){if(Ri(t)&&Vi(t)&&e<7)return!1;if(this.isElement(t)&&Vi(t.childNodes[e]))return!1;const n=this.mapDomToView(t);return!n||!n.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 n=this._getTouchingViewTextNode(t,!1);!(n&&this._nodeEndsWithSpace(n))&&n||(e=" "+e.substr(1))}if(" "==e.charAt(e.length-1)){const n=this._getTouchingViewTextNode(t,!0);" "!=e.charAt(e.length-2)&&n&&" "!=n.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(ir(t,this.preElements))return Bi(t);e=e.replace(/[ \n\t\r]{1,}/g," ");const n=this._getTouchingInlineDomNode(t,!1),o=this._getTouchingInlineDomNode(t,!0),i=this._checkShouldLeftTrimDomText(n),r=this._checkShouldRightTrimDomText(t,o);return i&&(e=e.replace(/^ /,"")),r&&(e=e.replace(/ $/,"")),e=Bi(new 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es({target:t,viewportOffset:e=0}){const n=cs(t);let o=n,i=null;for(;o;){let r;r=ls(o==n?t:i),os(r,()=>ds(t,o));const s=ds(t,o);if(ns(o,s,e),o.parent!=o){if(i=o.frameElement,o=o.parent,!i)return}else o=null}}function ns(t,e,n){const o=e.clone().moveBy(0,n),i=e.clone().moveBy(0,-n),r=new Zr(t).excludeScrollbarsAndBorders();if(![i,o].every(t=>r.contains(t))){let{scrollX:s,scrollY:a}=t;rs(i,r)?a-=r.top-e.top+n:is(o,r)&&(a+=e.bottom-r.bottom+n),ss(e,r)?s-=r.left-e.left+n:as(e,r)&&(s+=e.right-r.right+n),t.scrollTo(s,a)}}function os(t,e){const n=cs(t);let o,i;for(;t!=n.document.body;)i=e(),o=new Zr(t).excludeScrollbarsAndBorders(),o.contains(i)||(rs(i,o)?t.scrollTop-=o.top-i.top:is(i,o)&&(t.scrollTop+=i.bottom-o.bottom),ss(i,o)?t.scrollLeft-=o.left-i.left:as(i,o)&&(t.scrollLeft+=i.right-o.right)),t=t.parentNode}function is(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 Ri(e)&&(e=e.parentNode),e}return t.parentNode}function ds(t,e){const n=cs(t),o=new Zr(t);if(n===e)return o;{let t=n;for(;t!=e;){const e=t.frameElement,n=new Zr(e).excludeScrollbarsAndBorders();o.moveBy(n.left,n.top),t=t.parent}}return o}Object.assign({},{scrollViewportToShowTarget:es,scrollAncestorsToShowTarget:function(t){os(ls(t),()=>new Zr(t))}});class us{constructor(t){this.document=new ri(t),this.domConverter=new or(this.document),this.domRoots=new Map,this.set("isRenderingInProgress",!1),this._renderer=new Qi(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 Ai(this.document),this.addObserver(Er),this.addObserver(Wr),this.addObserver($r),this.addObserver(Or),this.addObserver(qr),this.addObserver(Yr),hi.isAndroid&&this.addObserver(Gr),this.document.on("keydown",Fi),vi(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 n=this.document.getRoot(e);n._name=t.tagName.toLowerCase();const o={};for(const{name:e,value:i}of Array.from(t.attributes))o[e]=i,"class"===e?this._writer.addClass(i.split(" "),n):this._writer.setAttribute(e,i,n);this._initialDomRootAttributes.set(t,o);const i=()=>{this._writer.setAttribute("contenteditable",!n.isReadOnly,n),n.isReadOnly?this._writer.addClass("ck-read-only",n):this._writer.removeClass("ck-read-only",n)};i(),this.domRoots.set(e,t),this.domConverter.bindElements(t,n),this._renderer.markToSync("children",n),this._renderer.markToSync("attributes",n),this._renderer.domDocuments.add(t.ownerDocument),n.on("change:children",(t,e)=>this._renderer.markToSync("children",e)),n.on("change:attributes",(t,e)=>this._renderer.markToSync("attributes",e)),n.on("change:text",(t,e)=>this._renderer.markToSync("text",e)),n.on("change:isReadOnly",()=>this.change(i)),n.on("change",()=>{this._hasChangedSinceTheLastRendering=!0});for(const n of this._observers.values())n.observe(t,e)}detachDomRoot(t){const e=this.domRoots.get(t);Array.from(e.attributes).forEach(({name:t})=>e.removeAttribute(t));const n=this._initialDomRootAttributes.get(e);for(const t in n)e.setAttribute(t,n[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,n]of this.domRoots)e.observe(n,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 hn.b("cannot-change-view-tree: Attempting to make changes to the view when it is in an incorrect state: rendering or post-fixers are in progress. This may cause some unexpected behavior and inconsistency between the DOM and the view.",this);try{if(this._ongoingChange)return 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){hn.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 Xo._createAt(t,e)}createPositionAfter(t){return Xo._createAfter(t)}createPositionBefore(t){return Xo._createBefore(t)}createRange(t,e){return new ti(t,e)}createRangeOn(t){return ti._createOn(t)}createRangeIn(t){return ti._createIn(t)}createSelection(t,e,n){return new oi(t,e,n)}_disableRendering(t){this._renderingDisabled=t,0==t&&this.change(()=>{})}_render(){this.isRenderingInProgress=!0,this.disableObservers(),this._renderer.render(),this.enableObservers(),this.isRenderingInProgress=!1}}yn(us,Ho);class hs{constructor(t){this.parent=null,this._attrs=Ln(t)}get index(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildIndex(this)))throw new hn.b("model-node-not-found-in-parent: The node's parent does not contain this node.",this);return t}get startOffset(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildStartOffset(this)))throw new hn.b("model-node-not-found-in-parent: The node's parent does not contain this node.",this);return 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 n=t.includeSelf?this:this.parent;for(;n;)e[t.parentFirst?"push":"unshift"](n),n=n.parent;return e}getCommonAncestor(t,e={}){const n=this.getAncestors(e),o=t.getAncestors(e);let i=0;for(;n[i]==o[i]&&n[i];)i++;return 0===i?null:n[i-1]}isBefore(t){if(this==t)return!1;if(this.root!==t.root)return!1;const e=this.getPath(),n=t.getPath(),o=En(e,n);switch(o){case"prefix":return!0;case"extension":return!1;default:return e[o]<n[o]}}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 hs(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(t,e){this._attrs.set(t,e)}_setAttributesTo(t){this._attrs=Ln(t)}_removeAttribute(t){return this._attrs.delete(t)}_clearAttributes(){this._attrs.clear()}}class fs extends hs{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,n){if(this.textNode=t,e<0||e>t.offsetSize)throw new hn.b("model-textproxy-wrong-offsetintext: Given offsetInText value is incorrect.",this);if(n<0||e+n>t.offsetSize)throw new hn.b("model-textproxy-wrong-length: Given length value is incorrect.",this);this.data=t.data.substring(e,e+n),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 n=t.includeSelf?this:this.parent;for(;n;)e[t.parentFirst?"push":"unshift"](n),n=n.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 hn.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 n of this._nodes){if(t>=e&&t<e+n.offsetSize)return this.getNodeIndex(n);e+=n.offsetSize}if(e!=t)throw new hn.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 hs))throw new hn.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 hs{constructor(t,e,n){super(e),this.name=t,this._children=new gs,n&&this._insertChild(0,n)}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}is(t,e=null){const n=t.replace(/^model:/,"");return e?"element"==n&&e==this.name:"element"==n||n==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 n of t)e=e.getChild(e.offsetToIndex(n));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 n=function(t){if("string"==typeof t)return[new fs(t)];Dn(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 n)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n)t.parent=null;return n}static fromJSON(t){let e=null;if(t.children){e=[];for(const n of t.children)n.name?e.push(ps.fromJSON(n)):e.push(fs.fromJSON(n))}return new ps(t.name,t.attributes,e)}}class bs{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new hn.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 hn.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,n,o,i;do{o=this.position,i=this._visitedParent,({done:e,value:n}=this.next())}while(!e&&t(n));e||(this.position=o,this._visitedParent=i)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){const t=this.position,e=this.position.clone(),n=this._visitedParent;if(null===n.parent&&e.offset===n.maxOffset)return{done:!0};if(n===this._boundaryEndParent&&e.offset==this.boundaries.end.offset)return{done:!0};const o=e.textNode?e.textNode:e.nodeAfter;if(o instanceof ps)return this.shallow?e.offset++:(e.path.push(0),this._visitedParent=o),this.position=e,ws("elementStart",o,t,e,1);if(o instanceof fs){let i;if(this.singleCharacters)i=1;else{let t=o.endOffset;this._boundaryEndParent==n&&this.boundaries.end.offset<t&&(t=this.boundaries.end.offset),i=t-e.offset}const r=e.offset-o.startOffset,s=new ms(o,r,i);return e.offset+=i,this.position=e,ws("text",s,t,e,i)}return e.path.pop(),e.offset++,this.position=e,this._visitedParent=n.parent,this.ignoreElementEnd?this._next():ws("elementEnd",n,t,e)}_previous(){const t=this.position,e=this.position.clone(),n=this._visitedParent;if(null===n.parent&&0===e.offset)return{done:!0};if(n==this._boundaryStartParent&&e.offset==this.boundaries.start.offset)return{done:!0};const o=e.textNode?e.textNode:e.nodeBefore;if(o instanceof ps)return e.offset--,this.shallow?(this.position=e,ws("elementStart",o,t,e,1)):(e.path.push(o.maxOffset),this.position=e,this._visitedParent=o,this.ignoreElementEnd?this._previous():ws("elementEnd",o,t,e));if(o instanceof fs){let i;if(this.singleCharacters)i=1;else{let t=o.startOffset;this._boundaryStartParent==n&&this.boundaries.start.offset>t&&(t=this.boundaries.start.offset),i=e.offset-t}const r=e.offset-o.startOffset,s=new ms(o,r-i,i);return e.offset-=i,this.position=e,ws("text",s,t,e,i)}return e.path.pop(),this.position=e,this._visitedParent=n.parent,ws("elementStart",n,t,e,1)}}function ws(t,e,n,o,i){return{done:!1,value:{type:t,item:e,previousPosition:n,nextPosition:o,length:i}}}class ks{constructor(t,e,n="toNone"){if(!t.is("element")&&!t.is("documentFragment"))throw new hn.b("model-position-root-invalid: Position root invalid.",t);if(!(e instanceof Array)||0===e.length)throw new hn.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=n}get offset(){return to(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 hn.b("model-position-path-incorrect: The position's path is incorrect.",this,{position:this});if(t.is("text"))throw new hn.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=En(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 n=new bs(e);return n.skip(t),n.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=En(this.path,t.path),n="string"==typeof e?Math.min(this.path.length,t.path.length):e;return this.path.slice(0,n)}getCommonAncestor(t){const e=this.getAncestors(),n=t.getAncestors();let o=0;for(;e[o]==n[o]&&e[o];)o++;return 0===o?null:e[o-1]}getShiftedBy(t){const e=this.clone(),n=e.offset+t;return e.offset=n<0?0:n,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,n=null;switch(this.compareWith(t)){case"same":return!0;case"before":e=ks._createAt(this),n=ks._createAt(t);break;case"after":e=ks._createAt(t),n=ks._createAt(this);break;default:return!1}let o=e.parent;for(;e.path.length+n.path.length;){if(e.isEqual(n))return!0;if(e.path.length>n.path.length){if(e.offset!==o.maxOffset)return!1;e.path=e.path.slice(0,-1),o=o.parent,e.offset++}else{if(0!==n.offset)return!1;n.path=n.path.slice(0,-1)}}}is(t){return"position"==t||"model:position"==t}hasSameParentAs(t){if(this.root!==t.root)return!1;return"same"==En(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 n;return e.containsPosition(this)||e.start.isEqual(this)?(n=this._getCombined(t.sourcePosition,t.targetPosition),t.sourcePosition.isBefore(t.targetPosition)&&(n=n._getTransformedByDeletion(t.deletionPosition,1))):n=this.isEqual(t.deletionPosition)?ks._createAt(t.deletionPosition):this._getTransformedByMove(t.deletionPosition,t.graveyardPosition,1),n}_getTransformedByDeletion(t,e){const n=ks._createAt(this);if(this.root!=t.root)return n;if("same"==En(t.getParentPath(),this.getParentPath())){if(t.offset<this.offset){if(t.offset+e>this.offset)return null;n.offset-=e}}else if("prefix"==En(t.getParentPath(),this.getParentPath())){const o=t.path.length-1;if(t.offset<=this.path[o]){if(t.offset+e>this.path[o])return null;n.path[o]-=e}}return n}_getTransformedByInsertion(t,e){const n=ks._createAt(this);if(this.root!=t.root)return n;if("same"==En(t.getParentPath(),this.getParentPath()))(t.offset<this.offset||t.offset==this.offset&&"toPrevious"!=this.stickiness)&&(n.offset+=e);else if("prefix"==En(t.getParentPath(),this.getParentPath())){const o=t.path.length-1;t.offset<=this.path[o]&&(n.path[o]+=e)}return n}_getTransformedByMove(t,e,n){if(e=e._getTransformedByDeletion(t,n),t.isEqual(e))return ks._createAt(this);const o=this._getTransformedByDeletion(t,n);return null===o||t.isEqual(this)&&"toNext"==this.stickiness||t.getShiftedBy(n).isEqual(this)&&"toPrevious"==this.stickiness?this._getCombined(t,e):o._getTransformedByInsertion(e,n)}_getCombined(t,e){const n=t.path.length-1,o=ks._createAt(e);return o.stickiness=this.stickiness,o.offset=o.offset+this.path[n]-t.offset,o.path=o.path.concat(this.path.slice(n+1)),o}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,n="toNone"){if(t instanceof ks)return new ks(t.root,t.path,t.stickiness);{const o=t;if("end"==e)e=o.maxOffset;else{if("before"==e)return this._createBefore(o,n);if("after"==e)return this._createAfter(o,n);if(0!==e&&!e)throw new hn.b("model-createPositionAt-offset-required: Model#createPositionAt() requires the offset when the first parameter is a model item.",[this,t])}if(!o.is("element")&&!o.is("documentFragment"))throw new hn.b("model-position-parent-incorrect: Position parent have to be a element or document fragment.",[this,t]);const i=o.getPath();return i.push(e),new this(o.root,i,n)}}static _createAfter(t,e){if(!t.parent)throw new hn.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 hn.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 n=new ks(e.graveyard,t.path);return n.stickiness=t.stickiness,n}if(!e.getRoot(t.root))throw new hn.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"==En(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 n=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),o=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return n&&o}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,n=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(n=t.end),new _s(e,n)}return null}getMinimalFlatRanges(){const t=[],e=this.start.getCommonPath(this.end).length,n=ks._createAt(this.start);let o=n.parent;for(;n.path.length>e+1;){const e=o.maxOffset-n.offset;0!==e&&t.push(new _s(n,n.getShiftedBy(e))),n.path=n.path.slice(0,-1),n.offset++,o=o.parent}for(;n.path.length<=this.end.path.length;){const e=this.end.path[n.path.length-1],o=e-n.offset;0!==o&&t.push(new _s(n,n.getShiftedBy(o))),n.offset=e,n.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 n of t)for(let t=0;t<e.length;t++){const o=e[t].getTransformedByOperation(n);e.splice(t,1,...o),t+=o.length-1}for(let t=0;t<e.length;t++){const n=e[t];for(let o=t+1;o<e.length;o++){const t=e[o];(n.containsRange(t)||t.containsRange(n)||n.isEqual(t))&&e.splice(o,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 n=t.sourcePosition,o=t.howMany,i=t.targetPosition;return this._getTransformedByMove(n,i,o,e)}_getTransformedBySplitOperation(t){const e=this.start._getTransformedBySplitOperation(t);let n=this.end._getTransformedBySplitOperation(t);return this.end.isEqual(t.insertionPosition)&&(n=this.end.getShiftedBy(1)),e.root!=n.root&&(n=this.end.getShiftedBy(-1)),new _s(e,n)}_getTransformedByMergeOperation(t){if(this.start.isEqual(t.targetPosition)&&this.end.isEqual(t.deletionPosition))return new _s(this.start);let e=this.start._getTransformedByMergeOperation(t),n=this.end._getTransformedByMergeOperation(t);return e.root!=n.root&&(n=this.end.getShiftedBy(-1)),e.isAfter(n)?(t.sourcePosition.isBefore(t.targetPosition)?(e=ks._createAt(n),e.offset=0):(t.deletionPosition.isEqual(e)||(n=t.deletionPosition),e=t.targetPosition),new _s(e,n)):new _s(e,n)}_getTransformedByInsertion(t,e,n=!1){if(n&&this.containsPosition(t))return[new _s(this.start,t),new _s(t.getShiftedBy(e),this.end._getTransformedByInsertion(t,e))];{const n=new _s(this.start,this.end);return n.start=n.start._getTransformedByInsertion(t,e),n.end=n.end._getTransformedByInsertion(t,e),[n]}}_getTransformedByMove(t,e,n,o=!1){if(this.isCollapsed){const o=this.start._getTransformedByMove(t,e,n);return[new _s(o)]}const i=_s._createFromPositionAndShift(t,n),r=e._getTransformedByDeletion(t,n);if(this.containsPosition(e)&&!o&&(i.containsPosition(this.start)||i.containsPosition(this.end))){const o=this.start._getTransformedByMove(t,e,n),i=this.end._getTransformedByMove(t,e,n);return[new _s(o,i)]}let s;const a=this.getDifference(i);let c=null;const l=this.getIntersection(i);if(1==a.length?c=new _s(a[0].start._getTransformedByDeletion(t,n),a[0].end._getTransformedByDeletion(t,n)):2==a.length&&(c=new _s(this.start,this.end._getTransformedByDeletion(t,n))),s=c?c._getTransformedByInsertion(r,n,null!==l||o):[],l){const t=new _s(l.start._getCombined(i.start,r),l.end._getCombined(i.start,r));2==s.length?s.splice(1,0,t):s.push(t)}return s}_getTransformedByDeletion(t,e){let n=this.start._getTransformedByDeletion(t,e),o=this.end._getTransformedByDeletion(t,e);return null==n&&null==o?null:(null==n&&(n=t),null==o&&(o=t),new _s(n,o))}static _createFromPositionAndShift(t,e){const n=t,o=t.getShiftedBy(e);return e>0?new this(n,o):new this(o,n)}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 hn.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 n=t.indexOf(e),o=new this(e.start,e.end);if(n>0)for(let e=n-1;t[e].end.isEqual(o.start);e++)o.start=ks._createAt(t[e].start);for(let e=n+1;e<t.length&&t[e].start.isEqual(o.end);e++)o.end=ks._createAt(t[e].end);return o}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 n=this._modelToViewMapping.get(e.modelPosition.parent);e.viewPosition=this._findPositionIn(n,e.modelPosition.offset)},{priority:"low"}),this.on("viewToModelPosition",(t,e)=>{if(e.modelPosition)return;const n=this.findMappedViewAncestor(e.viewPosition),o=this._viewToModelMapping.get(n),i=this._toModelOffset(e.viewPosition.parent,e.viewPosition.offset,n);e.modelPosition=ks._createAt(o,i)},{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 n=this._markerNameToElements.get(e)||new Set;n.add(t);const o=this._elementToMarkerNames.get(t)||new Set;o.add(e),this._markerNameToElements.set(e,n),this._elementToMarkerNames.set(t,o)}unbindElementFromMarkerName(t,e){const n=this._markerNameToElements.get(e);n&&(n.delete(t),0==n.size&&this._markerNameToElements.delete(e));const o=this._elementToMarkerNames.get(t);o&&(o.delete(e),0==o.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 ti(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 n={modelPosition:t,mapper:this,isPhantom:e.isPhantom};return this.fire("modelToViewPosition",n),n.viewPosition}markerNameToElements(t){const e=this._markerNameToElements.get(t);if(!e)return null;const n=new Set;for(const t of e)if(t.is("attributeElement"))for(const e of t.getElementsWithSameId())n.add(e);else n.add(t);return n}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,n){if(n!=t){return this._toModelOffset(t.parent,t.index,n)+this._toModelOffset(t,e,t)}if(t.is("text"))return e;let o=0;for(let n=0;n<e;n++)o+=this.getModelLength(t.getChild(n));return o}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 n of t.getChildren())e+=this.getModelLength(n);return e}}_findPositionIn(t,e){let n,o=0,i=0,r=0;if(t.is("text"))return new Xo(t,e);for(;i<e;)n=t.getChild(r),o=this.getModelLength(n),i+=o,r++;return i==e?this._moveViewPositionToTextNode(new Xo(t,r)):this._findPositionIn(n,e-(i-o))}_moveViewPositionToTextNode(t){const e=t.nodeBefore,n=t.nodeAfter;return e instanceof On?new Xo(e,e.data.length):n instanceof On?new Xo(n,0):t}}yn(vs,gn);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 n=this._consumable.get(t);if(void 0===n)return null;const o=n.get(e);return void 0===o?null:o}revert(t,e){e=xs(e),t instanceof ms&&(t=this._getSymbolForTextProxy(t));const n=this.test(t,e);return!1===n?(this._consumable.get(t).set(e,!0),!0):!0!==n&&null}_getSymbolForTextProxy(t){let e=null;const n=this._textProxyRegistry.get(t.startOffset);if(n){const o=n.get(t.endOffset);o&&(e=o.get(t.parent))}return e||(e=this._addSymbolForTextProxy(t.startOffset,t.endOffset,t.parent)),e}_addSymbolForTextProxy(t,e,n){const o=Symbol("textProxySymbol");let i,r;return i=this._textProxyRegistry.get(t),i||(i=new Map,this._textProxyRegistry.set(t,i)),r=i.get(e),r||(r=new Map,i.set(e,r)),r.set(n,o),o}}function xs(t){const e=t.split(":");return e.length>1?e[0]+":"+e[1]:e[0]}class As{constructor(t){this.conversionApi=Vo({dispatcher:this},t)}convertChanges(t,e,n){for(const e of t.getMarkersToRemove())this.convertMarkerRemove(e.name,e.range,n);for(const e of t.getChanges())"insert"==e.type?this.convertInsert(_s._createFromPositionAndShift(e.position,e.length),n):"remove"==e.type?this.convertRemove(e.position,e.length,e.name,n):this.convertAttribute(e.range,e.attributeKey,e.attributeOldValue,e.attributeNewValue,n);for(const t of this.conversionApi.mapper.flushUnboundMarkerNames()){const o=e.get(t).getRange();this.convertMarkerRemove(t,o,n),this.convertMarkerAdd(t,o,n)}for(const e of t.getMarkersToAdd())this.convertMarkerAdd(e.name,e.range,n)}convertInsert(t,e){this.conversionApi.writer=e,this.conversionApi.consumable=this._createInsertConsumable(t);for(const e of t){const t=e.item,n={item:t,range:_s._createFromPositionAndShift(e.previousPosition,e.length)};this._testAndFire("insert",n);for(const e of t.getAttributeKeys())n.attributeKey=e,n.attributeOldValue=null,n.attributeNewValue=t.getAttribute(e),this._testAndFire(`attribute:${e}`,n)}this._clearConversionApi()}convertRemove(t,e,n,o){this.conversionApi.writer=o,this.fire("remove:"+n,{position:t,length:e},this.conversionApi),this._clearConversionApi()}convertAttribute(t,e,n,o,i){this.conversionApi.writer=i,this.conversionApi.consumable=this._createConsumableForRange(t,`attribute:${e}`);for(const i of t){const t={item:i.item,range:_s._createFromPositionAndShift(i.previousPosition,i.length),attributeKey:e,attributeOldValue:n,attributeNewValue:o};this._testAndFire(`attribute:${e}`,t)}this._clearConversionApi()}convertSelection(t,e,n){const o=Array.from(e.getMarkersAtPosition(t.getFirstPosition()));if(this.conversionApi.writer=n,this.conversionApi.consumable=this._createSelectionConsumable(t,o),this.fire("selection",{selection:t},this.conversionApi),t.isCollapsed){for(const e of o){const n=e.getRange();if(!Cs(t.getFirstPosition(),e,this.conversionApi.mapper))continue;const o={item:t,markerName:e.name,markerRange:n};this.conversionApi.consumable.test(t,"addMarker:"+e.name)&&this.fire("addMarker:"+e.name,o,this.conversionApi)}for(const e of t.getAttributeKeys()){const n={item:t,range:t.getFirstRange(),attributeKey:e,attributeOldValue:null,attributeNewValue:t.getAttribute(e)};this.conversionApi.consumable.test(t,"attribute:"+n.attributeKey)&&this.fire("attribute:"+n.attributeKey+":$text",n,this.conversionApi)}this._clearConversionApi()}}convertMarkerAdd(t,e,n){if(!e.root.document||"$graveyard"==e.root.rootName)return;this.conversionApi.writer=n;const o="addMarker:"+t,i=new ys;if(i.add(e,o),this.conversionApi.consumable=i,this.fire(o,{markerName:t,markerRange:e},this.conversionApi),i.test(e,o)){this.conversionApi.consumable=this._createConsumableForRange(e,o);for(const n of e.getItems()){if(!this.conversionApi.consumable.test(n,o))continue;const i={item:n,range:_s._createOn(n),markerName:t,markerRange:e};this.fire(o,i,this.conversionApi)}this._clearConversionApi()}}convertMarkerRemove(t,e,n){e.root.document&&"$graveyard"!=e.root.rootName&&(this.conversionApi.writer=n,this.fire("removeMarker:"+t,{markerName:t,markerRange:e},this.conversionApi),this._clearConversionApi())}_createInsertConsumable(t){const e=new ys;for(const n of t){const t=n.item;e.add(t,"insert");for(const n of t.getAttributeKeys())e.add(t,"attribute:"+n)}return e}_createConsumableForRange(t,e){const n=new ys;for(const o of t.getItems())n.add(o,e);return n}_createSelectionConsumable(t,e){const n=new ys;n.add(t,"selection");for(const o of e)n.add(t,"addMarker:"+o.name);for(const e of t.getAttributeKeys())n.add(t,"attribute:"+e);return n}_testAndFire(t,e){if(!this.conversionApi.consumable.test(e.item,t))return;const n=e.item.name||"$text";this.fire(t+":"+n,e,this.conversionApi)}_clearConversionApi(){delete this.conversionApi.writer,delete this.conversionApi.consumable}}function Cs(t,e,n){const o=e.getRange(),i=Array.from(t.getAncestors());return i.shift(),i.reverse(),!i.some(t=>{if(o.containsItem(t)){return!!n.toViewElement(t).getCustomProperty("addHighlight")}})}yn(As,gn);class Ts{constructor(t,e,n){this._lastRangeBackward=!1,this._ranges=[],this._attrs=new Map,t&&this.setTo(t,e,n)}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 n=!1;for(const o of t._ranges)if(e.isEqual(o)){n=!0;break}if(!n)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,n){if(null===t)this._setRanges([]);else if(t instanceof Ts)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 hs){const o=!!n&&!!n.backward;let i;if("in"==e)i=_s._createIn(t);else if("on"==e)i=_s._createOn(t);else{if(void 0===e)throw new hn.b("model-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.",[this,t]);i=new _s(ks._createAt(t,e))}this._setRanges([i],o)}else{if(!Dn(t))throw new hn.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 n=(t=Array.from(t)).some(e=>{if(!(e instanceof _s))throw new hn.b("model-selection-set-ranges-not-range: Selection range set to an object that is not an instance of model.Range.",[this,t]);return this._ranges.every(t=>!t.isEqual(e))});if(t.length!==this._ranges.length||n){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 hn.b("model-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.",[this,t]);const n=ks._createAt(t,e);if("same"==n.compareWith(this.focus))return;const o=this.anchor;this._ranges.length&&this._popRange(),"before"==n.compareWith(o)?(this._pushRange(new _s(n,o)),this._lastRangeBackward=!0):(this._pushRange(new _s(o,n)),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 n=Ms(e.start,t);n&&Es(n,e)&&(yield n);for(const n of e.getWalker()){const o=n.item;"elementEnd"==n.type&&Ss(o,t,e)&&(yield o)}const o=Ms(e.end,t);o&&!e.end.isTouching(ks._createAt(o,0))&&Es(o,e)&&(yield o)}}containsEntireContent(t=this.anchor.root){const e=ks._createAt(t,0),n=ks._createAt(t,"end");return e.isTouching(this.getFirstPosition())&&n.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 hn.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,n){return Ps(t,e)&&Es(t,n)}function Ms(t,e){const n=t.parent.root.document.model.schema,o=t.parent.getAncestors({parentFirst:!0,includeSelf:!0});let i=!1;const r=o.find(t=>!i&&(i=n.isLimit(t),!i&&Ps(t,e)));return o.forEach(t=>e.add(t)),r}function Es(t,e){const n=function(t){const e=t.root.document.model.schema;let n=t.parent;for(;n;){if(e.isBlock(n))return n;n=n.parent}}(t);return!n||!e.containsRange(_s._createOn(n),!0)}yn(Ts,gn);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 n=e[0];n.isDocumentOperation&&Os.call(this,n)},{priority:"low"})}function Os(t){const e=this.getTransformedByOperation(t),n=_s._createFromRanges(e),o=!n.isEqual(this),i=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(o){"$graveyard"==n.root.rootName&&(r="remove"==t.type?t.sourcePosition:t.deletionPosition);const e=this.toRange();this.start=n.start,this.end=n.end,this.fire("change:range",e,{deletionPosition:r})}else i&&this.fire("change:content",this.toRange(),{deletionPosition:r})}yn(Is,gn);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,n){this._selection.setTo(t,e,n)}_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:")}}yn(Rs,gn);class Ds extends Ts{constructor(t){super(),this.markers=new xn({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 n=e[0];if(n.isDocumentOperation&&"marker"!=n.type&&"rename"!=n.type&&"noop"!=n.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 hn.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 n=t.document.differ;for(const o of n.getChanges()){if("insert"!=o.type)continue;const n=o.position.parent;o.length===n.maxOffset&&t.enqueueChange(e,t=>{const e=Array.from(n.getAttributeKeys()).filter(t=>t.startsWith("selection:"));for(const o of e)t.removeAttribute(o,n)})}}(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,n){super.setTo(t,e,n),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=dn();return this._overriddenGravityRegister.add(t),1===this._overriddenGravityRegister.size&&this._updateAttributes(!0),t}restoreGravity(t){if(!this._overriddenGravityRegister.has(t))throw new hn.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,n,o)=>{this._hasChangedRange=!0,e.root==this._document.graveyard&&this._fixGraveyardRangesData.push({liveRange:e,sourcePosition:o.deletionPosition})}),e}_updateMarkers(){const t=[];let e=!1;for(const e of this._model.markers){const n=e.getRange();for(const o of this.getRanges())n.containsRange(o,!o.isCollapsed)&&t.push(e)}const n=Array.from(this.markers);for(const n of t)this.markers.has(n)||(this.markers.add(n),e=!0);for(const n of Array.from(this.markers))t.includes(n)||(this.markers.remove(n),e=!0);e&&this.fire("change:marker",{oldMarkers:n,directChange:!1})}_updateAttributes(t){const e=Ln(this._getSurroundingAttributes()),n=Ln(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 o=[];for(const[t,e]of this.getAttributes())n.has(t)&&n.get(t)===e||o.push(t);for(const[t]of n)this.hasAttribute(t)||o.push(t);o.length>0&&this.fire("change:attribute",{attributeKeys:o,directChange:!1})}_setAttribute(t,e,n=!0){const o=n?"normal":"low";return("low"!=o||"normal"!=this._attributePriority.get(t))&&(super.getAttribute(t)!==e&&(this._attrs.set(t,e),this._attributePriority.set(t,o),!0))}_removeAttribute(t,e=!0){const n=e?"normal":"low";return("low"!=n||"normal"!=this._attributePriority.get(t))&&(this._attributePriority.set(t,n),!!super.hasAttribute(t)&&(this._attrs.delete(t),!0))}_setAttributesTo(t){const e=new Set;for(const[e,n]of this.getAttributes())t.get(e)!==n&&this._removeAttribute(e,!1);for(const[n,o]of t){this._setAttribute(n,o,!1)&&e.add(n)}return e}*_getStoredAttributes(){const t=this.getFirstPosition().parent;if(this.isCollapsed&&t.isEmpty)for(const e of t.getAttributeKeys())if(e.startsWith("selection:")){const n=e.substr("selection:".length);yield[n,t.getAttribute(e)]}}_getSurroundingAttributes(){const t=this.getFirstPosition(),e=this._model.schema;let n=null;if(this.isCollapsed){const e=t.textNode?t.textNode:t.nodeBefore,o=t.textNode?t.textNode:t.nodeAfter;if(this.isGravityOverridden||(n=Ls(e)),n||(n=Ls(o)),!this.isGravityOverridden&&!n){let t=e;for(;t&&!n;)t=t.previousSibling,n=Ls(t)}if(!n){let t=o;for(;t&&!n;)t=t.nextSibling,n=Ls(t)}n||(n=this._getStoredAttributes())}else{const t=this.getFirstRange();for(const o of t){if(o.item.is("element")&&e.isObject(o.item))break;if("text"==o.type){n=o.item.getAttributes();break}}}return n}_fixGraveyardSelection(t,e){const n=e.clone(),o=this._model.schema.getNearestSelectionRange(n),i=this._ranges.indexOf(t);if(this._ranges.splice(i,1),t.detach(),o){const t=this._prepareRange(o);this._ranges.splice(i,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 tn(t,5)};class zs extends js{elementToElement(t){return this.add(function(t){return(t=Vs(t)).view=Fs(t.view,"container"),e=>{var n;e.on("insert:"+t.model,(n=t.view,(t,e,o)=>{const i=n(e.item,o.writer);if(!i)return;if(!o.consumable.consume(e.item,"insert"))return;const r=o.mapper.toViewPosition(e.range.start);o.mapper.bindElements(e.item,i),o.writer.insert(r,i)}),{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 n=Us(t);return o=>{o.on(e,function(t){return(e,n,o)=>{const i=t(n.attributeOldValue,o.writer),r=t(n.attributeNewValue,o.writer);if(!i&&!r)return;if(!o.consumable.consume(n.item,e.name))return;const s=o.writer,a=s.document.selection;if(n.item instanceof Ts||n.item instanceof Rs)s.wrap(a.getFirstRange(),r);else{let t=o.mapper.toViewRange(n.range);null!==n.attributeOldValue&&i&&(t=s.unwrap(t,i)),null!==n.attributeNewValue&&r&&s.wrap(t,r)}}}(n),{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 n=Us(t);return o=>{var i;o.on(e,(i=n,(t,e,n)=>{const o=i(e.attributeOldValue,e),r=i(e.attributeNewValue,e);if(!o&&!r)return;if(!n.consumable.consume(e.item,t.name))return;const s=n.mapper.toViewElement(e.item),a=n.writer;if(!s)throw new hn.b("conversion-attribute-to-attribute-on-text: Trying to convert text node's attribute with attribute-to-attribute converter.",[e,n]);if(null!==e.attributeOldValue&&o)if("class"==o.key){const t=Array.isArray(o.value)?o.value:[o.value];for(const e of t)a.removeClass(e,s)}else if("style"==o.key){const t=Object.keys(o.value);for(const e of t)a.removeStyle(e,s)}else a.removeAttribute(o.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 n;e.on("addMarker:"+t.model,(n=t.view,(t,e,o)=>{e.isOpening=!0;const i=n(e,o.writer);e.isOpening=!1;const r=n(e,o.writer);if(!i||!r)return;const s=e.markerRange;if(s.isCollapsed&&!o.consumable.consume(s,t.name))return;for(const e of s)if(!o.consumable.consume(e.item,t.name))return;const a=o.mapper,c=o.writer;c.insert(a.toViewPosition(s.start),i),o.mapper.bindElementToMarker(i,e.markerName),s.isCollapsed||(c.insert(a.toViewPosition(s.end),r),o.mapper.bindElementToMarker(r,e.markerName)),t.stop()}),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,(t.view,(t,e,n)=>{const o=n.mapper.markerNameToElements(e.markerName);if(o){for(const t of o)n.mapper.unbindElementFromMarkerName(t,e.markerName),n.writer.clear(n.writer.createRangeOn(t),t);n.writer.clearClonedElementsGroup(e.markerName),t.stop()}}),{priority:t.converterPriority||"normal"})}}(t))}markerToHighlight(t){return this.add(function(t){return e=>{var n;e.on("addMarker:"+t.model,(n=t.view,(t,e,o)=>{if(!e.item)return;if(!(e.item instanceof Ts||e.item instanceof Rs||e.item.is("textProxy")))return;const i=qs(n,e,o);if(!i)return;if(!o.consumable.consume(e.item,t.name))return;const r=o.writer,s=Bs(r,i),a=r.document.selection;if(e.item instanceof Ts||e.item instanceof Rs)r.wrap(a.getFirstRange(),s,a);else{const t=o.mapper.toViewRange(e.range),n=r.wrap(t,s);for(const t of n.getItems())if(t.is("attributeElement")&&t.isSimilar(s)){o.mapper.bindElementToMarker(t,e.markerName);break}}}),{priority:t.converterPriority||"normal"}),e.on("addMarker:"+t.model,function(t){return(e,n,o)=>{if(!n.item)return;if(!(n.item instanceof ps))return;const i=qs(t,n,o);if(!i)return;if(!o.consumable.test(n.item,e.name))return;const r=o.mapper.toViewElement(n.item);if(r&&r.getCustomProperty("addHighlight")){o.consumable.consume(n.item,e.name);for(const t of _s._createIn(n.item))o.consumable.consume(t.item,e.name);r.getCustomProperty("addHighlight")(r,i,o.writer),o.mapper.bindElementToMarker(r,n.markerName)}}}(t.view),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,function(t){return(e,n,o)=>{if(n.markerRange.isCollapsed)return;const i=qs(t,n,o);if(!i)return;const r=Bs(o.writer,i),s=o.mapper.markerNameToElements(n.markerName);if(s){for(const t of s)o.mapper.unbindElementFromMarkerName(t,n.markerName),t.is("attributeElement")?o.writer.unwrap(o.writer.createRangeOn(t),r):t.getCustomProperty("removeHighlight")(t,i.id,o.writer);o.writer.clearClonedElementsGroup(n.markerName),e.stop()}}}(t.view),{priority:t.converterPriority||"normal"})}}(t))}}function Bs(t,e){const n=t.createAttributeElement("span",e.attributes);return e.classes&&n._addClass(e.classes),e.priority&&(n._priority=e.priority),n._id=e.id,n}function Fs(t,e){return"function"==typeof t?t:(n,o)=>function(t,e,n){"string"==typeof t&&(t={name:t});let o;const i=Object.assign({},t.attributes);if("container"==n)o=e.createContainerElement(t.name,i);else if("attribute"==n){const n={priority:t.priority||si.DEFAULT_PRIORITY};o=e.createAttributeElement(t.name,i,n)}else o=e.createUIElement(t.name,i);if(t.styles){const n=Object.keys(t.styles);for(const i of n)e.setStyle(i,t.styles[i],o)}if(t.classes){const n=t.classes;if("string"==typeof n)e.addClass(n,o);else for(const t of n)e.addClass(t,o)}return o}(t,o,e)}function Us(t){return t.model.values?(e,n)=>{const o=t.view[e];return o?o(e,n):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,n){const o="function"==typeof t?t(e,n):t;return o?(o.priority||(o.priority=10),o.id||(o.id=e.markerName),o):null}class Ws extends js{elementToElement(t){return this.add($s(t))}elementToAttribute(t){return this.add(function(t){Gs(t=Vs(t));const e=Qs(t,!1),n=Ys(t.view),o=n?"element:"+n:"element";return n=>{n.on(o,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 n;if("class"==e||"style"==e){n={["class"==e?"classes":"styles"]:t.view.value}}else{const o=void 0===t.view.value?/[\s\S]*/:t.view.value;n={attributes:{[e]:o}}}t.view.name&&(n.name=t.view.name);return t.view=n,e}(t));Gs(t,e);const n=Qs(t,!0);return e=>{e.on("element",n,{priority:t.converterPriority||"low"})}}(t))}elementToMarker(t){return this.add(function(t){return function(t){const e=t.model;t.model=(t,n)=>{const o="string"==typeof e?e:e(t);return n.createElement("$marker",{"data-name":o})}}(t=Vs(t)),$s(t)}(t))}}function $s(t){const e=function(t){const e=t.view?new jn(t.view):null;return(n,o,i)=>{let r={};if(e){const t=e.match(o.viewItem);if(!t)return;r=t.match}r.name=!0;const s=(a=t.model,c=o.viewItem,l=i.writer,a instanceof Function?a(c,l):l.createElement(a));var a,c,l;if(!s)return;if(!i.consumable.test(o.viewItem,r))return;const d=i.splitToAllowedParent(s,o.modelCursor);if(!d)return;i.writer.insert(s,d.position),i.convertChildren(o.viewItem,i.writer.createPositionAt(s,0)),i.consumable.consume(o.viewItem,r);const u=i.getSplitParts(s);o.modelRange=new _s(i.writer.createPositionBefore(s),i.writer.createPositionAfter(u[u.length-1])),d.cursorParent?o.modelCursor=i.writer.createPositionAt(d.cursorParent,0):o.modelCursor=o.modelRange.end}}(t=Vs(t)),n=Ys(t.view),o=n?"element:"+n:"element";return n=>{n.on(o,e,{priority:t.converterPriority||"normal"})}}function Ys(t){return"string"==typeof t?t:"object"==typeof t&&"string"==typeof t.name?t.name:null}function Gs(t,e=null){const n=null===e||(t=>t.getAttribute(e)),o="object"!=typeof t.model?t.model:t.model.key,i="object"!=typeof t.model||void 0===t.model.value?n:t.model.value;t.model={key:o,value:i}}function Qs(t,e){const n=new jn(t.view);return(o,i,r)=>{const s=n.match(i.viewItem);if(!s)return;const a=t.model.key,c="function"==typeof t.model.value?t.model.value(i.viewItem):t.model.value;null!==c&&(!function(t,e){const n="function"==typeof t?t(e):t;if("object"==typeof n&&!Ys(n))return!1;return!n.classes&&!n.attributes&&!n.styles}(t.view,i.viewItem)?delete s.match.name:s.match.name=!0,r.consumable.test(i.viewItem,s.match)&&(i.modelRange||(i=Object.assign(i,r.convertChildren(i.viewItem,i.modelCursor))),function(t,e,n,o){let i=!1;for(const r of Array.from(t.getItems({shallow:n})))o.schema.checkAttribute(r,e.key)&&(o.writer.setAttribute(e.key,e.value,r),i=!0);return i}(i.modelRange,{key:a,value:c},e,r)&&r.consumable.consume(i.viewItem,s.match)))}}class Ks{constructor(t,e){this.model=t,this.view=new us(e),this.mapper=new vs,this.downcastDispatcher=new As({mapper:this.mapper});const n=this.model.document,o=n.selection,i=this.model.markers;this.listenTo(this.model,"_beforeChanges",()=>{this.view._disableRendering(!0)},{priority:"highest"}),this.listenTo(this.model,"_afterChanges",()=>{this.view._disableRendering(!1)},{priority:"lowest"}),this.listenTo(n,"change",()=>{this.view.change(t=>{this.downcastDispatcher.convertChanges(n.differ,i,t),this.downcastDispatcher.convertSelection(o,i,t)})},{priority:"low"}),this.listenTo(this.view.document,"selectionChange",function(t,e){return(n,o)=>{const i=o.newSelection,r=new Ts,s=[];for(const t of i.getRanges())s.push(e.toModelRange(t));r.setTo(s,{backward:i.isBackward}),r.isEqual(t.document.selection)||t.change(t=>{t.setSelection(r)})}}(this.model,this.mapper)),this.downcastDispatcher.on("insert:$text",(t,e,n)=>{if(!n.consumable.consume(e.item,"insert"))return;const o=n.writer,i=n.mapper.toViewPosition(e.range.start),r=o.createText(e.item.data);o.insert(i,r)},{priority:"lowest"}),this.downcastDispatcher.on("remove",(t,e,n)=>{const o=n.mapper.toViewPosition(e.position),i=e.position.getShiftedBy(e.length),r=n.mapper.toViewPosition(i,{isPhantom:!0}),s=n.writer.createRange(o,r),a=n.writer.remove(s.getTrimmed());for(const t of n.writer.createRangeIn(a).getItems())n.mapper.unbindViewElement(t)},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const o=n.writer,i=o.document.selection;for(const t of i.getRanges())t.isCollapsed&&t.end.parent.isAttached()&&n.writer.mergeAttributes(t.start);o.setSelection(null)},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const o=e.selection;if(o.isCollapsed)return;if(!n.consumable.consume(o,"selection"))return;const i=[];for(const t of o.getRanges()){const e=n.mapper.toViewRange(t);i.push(e)}n.writer.setSelection(i,{backward:o.isBackward})},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const o=e.selection;if(!o.isCollapsed)return;if(!n.consumable.consume(o,"selection"))return;const i=n.writer,r=o.getFirstPosition(),s=n.mapper.toViewPosition(r),a=i.breakAttributes(s);i.setSelection(a)},{priority:"low"}),this.view.document.roots.bindTo(this.model.document.roots).using(t=>{if("$graveyard"==t.rootName)return null;const e=new Jo(this.view.document,t.name);return e.rootName=t.rootName,this.mapper.bindElements(t,e),e})}destroy(){this.view.destroy(),this.stopListening()}}yn(Ks,Ho);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 n=this.get(t);if(!n)throw new hn.b("commandcollection-command-not-found: Command does not exist.",this,{commandName:t});n.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 n;t.is("text")||t.is("documentFragment")?this._consumables.set(t,!0):(this._consumables.has(t)?n=this._consumables.get(t):(n=new Xs(t),this._consumables.set(t,n)),n.add(e))}test(t,e){const n=this._consumables.get(t);return void 0===n?null:t.is("text")||t.is("documentFragment")?n:n.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 n=this._consumables.get(t);void 0!==n&&(t.is("text")||t.is("documentFragment")?this._consumables.set(t,!0):n.revert(e))}static consumablesFromElement(t){const e={element:t,name:!0,attributes:[],classes:[],styles:[]},n=t.getAttributeKeys();for(const t of n)"style"!=t&&"class"!=t&&e.attributes.push(t);const o=t.getClassNames();for(const t of o)e.classes.push(t);const i=t.getStyleNames();for(const t of i)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 n of t.getChildren())e=Zs.createFrom(n,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 n=this._test(e,t[e]);if(!0!==n)return n}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 n=Dt(e)?e:[e],o=this._consumables[t];for(const e of n){if("attributes"===t&&("class"===e||"style"===e))throw new hn.b("viewconsumable-invalid-attribute: Classes and styles should be handled separately.",this);if(o.set(e,!0),"styles"===t)for(const t of this.element.document.stylesProcessor.getRelatedStyles(e))o.set(t,!0)}}_test(t,e){const n=Dt(e)?e:[e],o=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e){const t=o.get(e);if(void 0===t)return null;if(!t)return!1}else{const t="class"==e?"classes":"styles",n=this._test(t,[...this._consumables[t].keys()]);if(!0!==n)return n}return!0}_consume(t,e){const n=Dt(e)?e:[e],o=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e){if(o.set(e,!1),"styles"==t)for(const t of this.element.document.stylesProcessor.getRelatedStyles(e))o.set(t,!1)}else{const t="class"==e?"classes":"styles";this._consume(t,[...this._consumables[t].keys()])}}_revert(t,e){const n=Dt(e)?e:[e],o=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e){!1===o.get(e)&&o.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 hn.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 hn.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 n=this.getDefinition(t.last);return!!n&&n.allowAttributes.includes(e)}checkMerge(t,e=null){if(t instanceof ks){const e=t.nodeBefore,n=t.nodeAfter;if(!(e instanceof ps))throw new hn.b("schema-check-merge-no-element-before: The node before the merge position must be an element.",this);if(!(n instanceof ps))throw new hn.b("schema-check-merge-no-element-after: The node after the merge position must be an element.",this);return this.checkMerge(e,n)}for(const n of e.getChildren())if(!this.checkChild(t,n))return!1;return!0}addChildCheck(t){this.on("checkChild",(e,[n,o])=>{if(!o)return;const i=t(n,o);"boolean"==typeof i&&(e.stop(),e.return=i)},{priority:"high"})}addAttributeCheck(t){this.on("checkAttribute",(e,[n,o])=>{const i=t(n,o);"boolean"==typeof i&&(e.stop(),e.return=i)},{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 n=e.getCommonAncestor();return t?t.getCommonAncestor(n,{includeSelf:!0}):n},null)}for(;!this.isLimit(e)&&e.parent;)e=e.parent;return e}checkAttributeInSelection(t,e){if(t.isCollapsed){const n=[...t.getFirstPosition().getAncestors(),new fs("",t.getAttributes())];return this.checkAttribute(n,e)}{const n=t.getRanges();for(const t of n)for(const n of t)if(this.checkAttribute(n.item,e))return!0}return!1}*getValidRanges(t,e){t=function*(t){for(const e of t)yield*e.getMinimalFlatRanges()}(t);for(const n of t)yield*this._getValidRangesForRange(n,e)}getNearestSelectionRange(t,e="both"){if(this.checkChild(t,"$text"))return new _s(t);let n,o;const i=t.getAncestors().reverse().find(t=>this.isLimit(t))||t.root;"both"!=e&&"backward"!=e||(n=new bs({boundaries:_s._createIn(i),startPosition:t,direction:"backward"})),"both"!=e&&"forward"!=e||(o=new bs({boundaries:_s._createIn(i),startPosition:t}));for(const t of function*(t,e){let n=!1;for(;!n;){if(n=!0,t){const e=t.next();e.done||(n=!1,yield{walker:t,value:e.value})}if(e){const t=e.next();t.done||(n=!1,yield{walker:e,value:t.value})}}}(n,o)){const e=t.walker==n?"elementEnd":"elementStart",o=t.value;if(o.type==e&&this.isObject(o.item))return _s._createOn(o.item);if(this.checkChild(o.nextPosition,"$text"))return new _s(o.nextPosition)}return null}findAllowedParent(t,e){let n=t.parent;for(;n;){if(this.checkChild(n,e))return n;if(this.isLimit(n))return null;n=n.parent}return null}removeDisallowedAttributes(t,e){for(const n of t)if(n.is("text"))ha(this,n,e);else{const t=_s._createIn(n).getPositions();for(const n of t){ha(this,n.nodeBefore||n.parent,e)}}}createContext(t){return new ea(t)}_clearCache(){this._compiledDefinitions=null}_compile(){const t={},e=this._sourceDefinitions,n=Object.keys(e);for(const o of n)t[o]=na(e[o],o);for(const e of n)oa(t,e);for(const e of n)ia(t,e);for(const e of n)ra(t,e),sa(t,e);for(const e of n)aa(t,e),ca(t,e);this._compiledDefinitions=t}_checkContextMatch(t,e,n=e.length-1){const o=e.getItem(n);if(t.allowIn.includes(o.name)){if(0==n)return!0;{const t=this.getDefinition(o);return this._checkContextMatch(t,e,n-1)}}return!1}*_getValidRangesForRange(t,e){let n=t.start,o=t.start;for(const i of t.getItems({shallow:!0}))i.is("element")&&(yield*this._getValidRangesForRange(_s._createIn(i),e)),this.checkAttribute(i,e)||(n.isEqual(o)||(yield new _s(n,o)),n=ks._createAfter(i)),o=ks._createAfter(i);n.isEqual(o)||(yield new _s(n,o))}}yn(ta,Ho);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(ua)}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 na(t,e){const n={name:e,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],inheritTypesFrom:[]};return function(t,e){for(const n of t){const t=Object.keys(n).filter(t=>t.startsWith("is"));for(const o of t)e[o]=n[o]}}(t,n),la(t,n,"allowIn"),la(t,n,"allowContentOf"),la(t,n,"allowWhere"),la(t,n,"allowAttributes"),la(t,n,"allowAttributesOf"),la(t,n,"inheritTypesFrom"),function(t,e){for(const n of t){const t=n.inheritAllFrom;t&&(e.allowContentOf.push(t),e.allowWhere.push(t),e.allowAttributesOf.push(t),e.inheritTypesFrom.push(t))}}(t,n),n}function oa(t,e){for(const n of t[e].allowContentOf)if(t[n]){da(t,n).forEach(t=>{t.allowIn.push(e)})}delete t[e].allowContentOf}function ia(t,e){for(const n of t[e].allowWhere){const o=t[n];if(o){const n=o.allowIn;t[e].allowIn.push(...n)}}delete t[e].allowWhere}function ra(t,e){for(const n of t[e].allowAttributesOf){const o=t[n];if(o){const n=o.allowAttributes;t[e].allowAttributes.push(...n)}}delete t[e].allowAttributesOf}function sa(t,e){const n=t[e];for(const e of n.inheritTypesFrom){const o=t[e];if(o){const t=Object.keys(o).filter(t=>t.startsWith("is"));for(const e of t)e in n||(n[e]=o[e])}}delete n.inheritTypesFrom}function aa(t,e){const n=t[e],o=n.allowIn.filter(e=>t[e]);n.allowIn=Array.from(new Set(o))}function ca(t,e){const n=t[e];n.allowAttributes=Array.from(new Set(n.allowAttributes))}function la(t,e,n){for(const o of t)"string"==typeof o[n]?e[n].push(o[n]):Array.isArray(o[n])&&e[n].push(...o[n])}function da(t,e){const n=t[e];return(o=t,Object.keys(o).map(t=>o[t])).filter(t=>t.allowIn.includes(n.name));var o}function ua(t){return"string"==typeof t?{name:t,*getAttributeKeys(){},getAttribute(){}}:{name:t.is("element")?t.name:"$text",*getAttributeKeys(){yield*t.getAttributeKeys()},getAttribute:e=>t.getAttribute(e)}}function ha(t,e,n){for(const o of e.getAttributeKeys())t.checkAttribute(e,o)||n.removeAttribute(o,e)}class fa{constructor(t={}){this._splitParts=new Map,this._modelCursor=null,this.conversionApi=Object.assign({},t),this.conversionApi.convertItem=this._convertItem.bind(this),this.conversionApi.convertChildren=this._convertChildren.bind(this),this.conversionApi.splitToAllowedParent=this._splitToAllowedParent.bind(this),this.conversionApi.getSplitParts=this._getSplitParts.bind(this)}convert(t,e,n=["$root"]){this.fire("viewCleanup",t),this._modelCursor=function(t,e){let n;for(const o of new ea(t)){const t={};for(const e of o.getAttributeKeys())t[e]=o.getAttribute(e);const i=e.createElement(o.name,t);n&&e.append(i,n),n=ks._createAt(i,0)}return n}(n,e),this.conversionApi.writer=e,this.conversionApi.consumable=Zs.createFrom(t),this.conversionApi.store={};const{modelRange:o}=this._convertItem(t,this._modelCursor),i=e.createDocumentFragment();if(o){this._removeEmptyElements();for(const t of Array.from(this._modelCursor.parent.getChildren()))e.append(t,i);i.markers=function(t,e){const n=new Set,o=new Map,i=_s._createIn(t).getItems();for(const t of i)"$marker"==t.name&&n.add(t);for(const t of n){const n=t.getAttribute("data-name"),i=e.createPositionBefore(t);o.has(n)?o.get(n).end=i.clone():o.set(n,new _s(i.clone())),e.remove(t)}return o}(i,e)}return this._modelCursor=null,this._splitParts.clear(),this.conversionApi.writer=null,this.conversionApi.store=null,i}_convertItem(t,e){const n=Object.assign({viewItem:t,modelCursor:e,modelRange:null});if(t.is("element")?this.fire("element:"+t.name,n,this.conversionApi):t.is("text")?this.fire("text",n,this.conversionApi):this.fire("documentFragment",n,this.conversionApi),n.modelRange&&!(n.modelRange instanceof _s))throw new hn.b("view-conversion-dispatcher-incorrect-result: Incorrect conversion result was dropped.",this);return{modelRange:n.modelRange,modelCursor:n.modelCursor}}_convertChildren(t,e){const n=new _s(e);let o=e;for(const e of Array.from(t.getChildren())){const t=this._convertItem(e,o);t.modelRange instanceof _s&&(n.end=t.modelRange.end,o=t.modelCursor)}return{modelRange:n,modelCursor:o}}_splitToAllowedParent(t,e){const n=this.conversionApi.schema.findAllowedParent(e,t);if(!n)return null;if(n===e.parent)return{position:e};if(this._modelCursor.parent.getAncestors().includes(n))return null;const o=this.conversionApi.writer.split(e,n),i=[];for(const t of o.range.getWalker())if("elementEnd"==t.type)i.push(t.item);else{const e=i.pop(),n=t.item;this._registerSplitPair(e,n)}return{position:o.position,cursorParent:o.range.end.parent}}_registerSplitPair(t,e){this._splitParts.has(t)||this._splitParts.set(t,[t]);const n=this._splitParts.get(t);this._splitParts.set(e,n),n.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()}}yn(fa,gn);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,n)=>{if(!n.consumable.consume(e.item,"insert"))return;const o=n.writer,i=n.mapper.toViewPosition(e.range.start),r=o.createText(e.item.data);o.insert(i,r)},{priority:"lowest"}),this.upcastDispatcher=new fa({schema:t.schema}),this.viewDocument=new ri(e),this._viewWriter=new Ai(this.viewDocument),this.upcastDispatcher.on("text",(t,e,n)=>{if(n.schema.checkChild(e.modelCursor,"$text")&&n.consumable.consume(e.viewItem)){const t=n.writer.createText(e.viewItem.data);n.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,n)=>{if(!e.modelRange&&n.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:o}=n.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=o}},{priority:"lowest"}),this.upcastDispatcher.on("documentFragment",(t,e,n)=>{if(!e.modelRange&&n.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:o}=n.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=o}},{priority:"lowest"}),this.decorate("init"),this.on("init",()=>{this.fire("ready")},{priority:"lowest"})}get(t){const{rootName:e="main",trim:n="empty"}=t||{};if(!this._checkIfRootsExists([e]))throw new hn.b("datacontroller-get-non-existent-root: Attempting to get data from a non-existing root.",this);const o=this.model.document.getRoot(e);return"empty"!==n||this.model.hasContent(o,{ignoreWhitespaces:!0})?this.stringify(o):""}stringify(t){const e=this.toView(t);return this.processor.toData(e)}toView(t){const e=this.viewDocument,n=this._viewWriter;this.mapper.clearBindings();const o=_s._createIn(t),i=new xi(e);if(this.mapper.bindElements(t,i),this.downcastDispatcher.convertInsert(o,n),!t.is("documentFragment")){const e=function(t){const e=[],n=t.root.document;if(!n)return[];const o=_s._createIn(t);for(const t of n.model.markers){const n=o.getIntersection(t.getRange());n&&e.push([t.name,n])}return e}(t);for(const[t,o]of e)this.downcastDispatcher.convertMarkerAdd(t,o,n)}return i}init(t){if(this.model.document.version)throw new hn.b("datacontroller-init-document-not-empty: Trying to set initial data to not empty document.",this);let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new hn.b("datacontroller-init-non-existent-root: Attempting to init data on a non-existing root.",this);return this.model.enqueueChange("transparent",t=>{for(const n of Object.keys(e)){const o=this.model.document.getRoot(n);t.insert(this.parse(e[n],o),o,0)}}),Promise.resolve()}set(t){let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new hn.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 n of Object.keys(e)){const o=this.model.document.getRoot(n);t.remove(t.createRangeIn(o)),t.insert(this.parse(e[n],o),o,0)}})}parse(t,e="$root"){const n=this.processor.toView(t);return this.toModel(n,e)}toModel(t,e="$root"){return this.model.change(n=>this.upcastDispatcher.convert(t,n,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}}yn(ma,Ho);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 n=this._downcast.includes(e);if(!this._upcast.includes(e)&&!n)throw new hn.b("conversion-add-alias-dispatcher-not-registered: Trying to register and alias for a dispatcher that nas not been registered.",this);this._createConversionHelpers({name:t,dispatchers:[e],isDowncast:n})}for(t){if(!this._helpers.has(t))throw new hn.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:n}of pa(t))this.for("upcast").elementToElement({model:e,view:n,converterPriority:t.converterPriority})}attributeToElement(t){this.for("downcast").attributeToElement(t);for(const{model:e,view:n}of pa(t))this.for("upcast").elementToAttribute({view:n,model:e,converterPriority:t.converterPriority})}attributeToAttribute(t){this.for("downcast").attributeToAttribute(t);for(const{model:e,view:n}of pa(t))this.for("upcast").attributeToAttribute({view:n,model:e})}_createConversionHelpers({name:t,dispatchers:e,isDowncast:n}){if(this._helpers.has(t))throw new hn.b("conversion-group-exists: Trying to register a group name that has already been registered.",this);const o=n?new zs(e):new Ws(e);this._helpers.set(t,o)}}function*pa(t){if(t.model.values)for(const e of t.model.values){const n={key:t.model.key,value:e},o=t.view[e],i=t.upcastAlso?t.upcastAlso[e]:void 0;yield*ba(n,o,i)}else yield*ba(t.model,t.view,t.upcastAlso)}function*ba(t,e,n){if(yield{model:t,view:e},n){n=Array.isArray(n)?n:[n];for(const e of n)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 n of t)e=e.getChild(e.offsetToIndex(n));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 n of t)n.name?e.push(ps.fromJSON(n)):e.push(fs.fromJSON(n));return new _a(e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=function(t){if("string"==typeof t)return[new fs(t)];Dn(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 n)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n)t.parent=null;return n}}function va(t,e){const n=(e=Aa(e)).reduce((t,e)=>t+e.offsetSize,0),o=t.parent;Ta(t);const i=t.index;return o._insertChild(i,e),Ca(o,i+e.length),Ca(o,i),new _s(t,t.getShiftedBy(n))}function ya(t){if(!t.isFlat)throw new hn.b("operation-utils-remove-range-not-flat: Trying to remove a range which starts and ends in different element.",this);const e=t.start.parent;Ta(t.start),Ta(t.end);const n=e._removeChildren(t.start.index,t.end.index-t.start.index);return Ca(e,t.start.index),n}function xa(t,e){if(!t.isFlat)throw new hn.b("operation-utils-move-range-not-flat: Trying to move a range which starts and ends in different element.",this);const n=ya(t);return va(e=e._getTransformedByDeletion(t.start,t.end.offset-t.start.offset),n)}function Aa(t){const e=[];t instanceof Array||(t=[t]);for(let n=0;n<t.length;n++)if("string"==typeof t[n])e.push(new fs(t[n]));else if(t[n]instanceof ms)e.push(new fs(t[n].data,t[n].getAttributes()));else if(t[n]instanceof _a||t[n]instanceof gs)for(const o of t[n])e.push(o);else t[n]instanceof hs&&e.push(t[n]);for(let t=1;t<e.length;t++){const n=e[t],o=e[t-1];n instanceof fs&&o instanceof fs&&Pa(n,o)&&(e.splice(t-1,2,new fs(o.data+n.data,o.getAttributes())),t--)}return e}function Ca(t,e){const n=t.getChild(e-1),o=t.getChild(e);if(n&&o&&n.is("text")&&o.is("text")&&Pa(n,o)){const i=new fs(n.data+o.data,n.getAttributes());t._removeChildren(e-1,2),t._insertChild(e-1,i)}}function Ta(t){const e=t.textNode,n=t.parent;if(e){const o=t.offset-e.startOffset,i=e.index;n._removeChildren(i,1);const r=new fs(e.data.substr(0,o),e.getAttributes()),s=new fs(e.data.substr(o),e.getAttributes());n._insertChild(i,[r,s])}}function Pa(t,e){const n=t.getAttributes(),o=e.getAttributes();for(const t of n){if(t[1]!==e.getAttribute(t[0]))return!1;o.next()}return o.next().done}var Sa=function(t,e){return Sr(t,e)};class Ma extends ka{constructor(t,e,n,o,i){super(i),this.range=t.clone(),this.key=e,this.oldValue=void 0===n?null:n,this.newValue=void 0===o?null:o}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 hn.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 hn.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 hn.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,n){Ta(t.start),Ta(t.end);for(const o of t.getItems({shallow:!0})){const t=o.is("textProxy")?o.textNode:o;null!==n?t._setAttribute(e,n):t._removeAttribute(e),Ca(t.parent,t.index)}Ca(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 hn.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,n,o){super(o),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toNext",this.howMany=e,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNone"}get type(){return"$graveyard"==this.targetPosition.root.rootName?"remove":"$graveyard"==this.sourcePosition.root.rootName?"reinsert":"move"}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.baseVersion)}getMovedRangeStart(){return this.targetPosition._getTransformedByDeletion(this.sourcePosition,this.howMany)}getReversed(){const 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,n=this.sourcePosition.offset,o=this.targetPosition.offset;if(n+this.howMany>t.maxOffset)throw new hn.b("move-operation-nodes-do-not-exist: The nodes which should be moved do not exist.",this);if(t===e&&n<o&&o<n+this.howMany)throw new hn.b("move-operation-range-into-itself: Trying to move a range of nodes to the inside of that range.",this);if(this.sourcePosition.root==this.targetPosition.root&&"prefix"==En(this.sourcePosition.getParentPath(),this.targetPosition.getParentPath())){const t=this.sourcePosition.path.length-1;if(this.targetPosition.path[t]>=n&&this.targetPosition.path[t]<n+this.howMany)throw new hn.b("move-operation-node-into-itself: Trying to move a range of nodes into one of nodes from that range.",this)}}_execute(){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 n=ks.fromJSON(t.sourcePosition,e),o=ks.fromJSON(t.targetPosition,e);return new this(n,t.howMany,o,t.baseVersion)}}class Na extends ka{constructor(t,e,n){super(n),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 hn.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 n=[];for(const e of t.nodes)e.name?n.push(ps.fromJSON(e)):n.push(fs.fromJSON(e));const o=new Na(ks.fromJSON(t.position,e),n,t.baseVersion);return o.shouldReceiveAttributes=t.shouldReceiveAttributes,o}}class Oa extends ka{constructor(t,e,n,o,i,r){super(r),this.name=t,this.oldRange=e?e.clone():null,this.newRange=n?n.clone():null,this.affectsData=i,this._markers=o}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,n,o){super(o),this.position=t,this.position.stickiness="toNext",this.oldName=e,this.newName=n}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 hn.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 hn.b("rename-operation-wrong-name: Element to change has different name than operation's old name.",this)}_execute(){this.position.nodeAfter.name=this.newName}toJSON(){const 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,n,o,i){super(i),this.root=t,this.key=e,this.oldValue=n,this.newValue=o}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 hn.b("rootattribute-operation-not-a-root: The element to change is not a root element.",this,{root:this.root,key:this.key});if(null!==this.oldValue&&this.root.getAttribute(this.key)!==this.oldValue)throw new hn.b("rootattribute-operation-wrong-old-value: Changed node has different attribute value than operation's old attribute value.",this,{root:this.root,key:this.key});if(null===this.oldValue&&null!==this.newValue&&this.root.hasAttribute(this.key))throw new hn.b("rootattribute-operation-attribute-exists: The attribute with given key already exists.",this,{root:this.root,key:this.key})}_execute(){null!==this.newValue?this.root._setAttribute(this.key,this.newValue):this.root._removeAttribute(this.key)}toJSON(){const 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 hn.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,n,o,i){super(i),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toPrevious",this.howMany=e,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNext",this.graveyardPosition=o.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),n=new ks(this.sourcePosition.root,e)._getTransformedByMergeOperation(this),o=new ja(t,this.howMany,this.graveyardPosition,this.baseVersion+1);return o.insertionPosition=n,o}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent;if(!t.parent)throw new hn.b("merge-operation-source-position-invalid: Merge source position is invalid.",this);if(!e.parent)throw new hn.b("merge-operation-target-position-invalid: Merge target position is invalid.",this);if(this.howMany!=t.maxOffset)throw new hn.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 n=ks.fromJSON(t.sourcePosition,e),o=ks.fromJSON(t.targetPosition,e),i=ks.fromJSON(t.graveyardPosition,e);return new this(n,t.howMany,o,i,t.baseVersion)}}class ja extends ka{constructor(t,e,n,o){super(o),this.splitPosition=t.clone(),this.splitPosition.stickiness="toNext",this.howMany=e,this.insertionPosition=ja.getInsertionPosition(t),this.insertionPosition.stickiness="toNone",this.graveyardPosition=n?n.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 hn.b("split-operation-position-invalid: Split position is invalid.",this);if(!t.parent)throw new hn.b("split-operation-split-in-root: Cannot split root element.",this);if(this.howMany!=t.maxOffset-this.splitPosition.offset)throw new hn.b("split-operation-how-many-invalid: Split operation specifies wrong number of nodes to move.",this);if(this.graveyardPosition&&!this.graveyardPosition.nodeAfter)throw new hn.b("split-operation-graveyard-position-invalid: Graveyard position invalid.",this)}_execute(){const 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 n=ks.fromJSON(t.splitPosition,e),o=ks.fromJSON(t.insertionPosition,e),i=t.graveyardPosition?ks.fromJSON(t.graveyardPosition,e):null,r=new this(n,t.howMany,i,t.baseVersion);return r.insertionPosition=o,r}}class Va extends ps{constructor(t,e,n="main"){super(e),this._document=t,this.rootName=n}get document(){return this._document}is(t,e){const n=t.replace("model:","");return e?"rootElement"==n&&e==this.name||super.is(t,e):"rootElement"==n||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,n=0){if(this._assertWriterUsedCorrectly(),t instanceof fs&&""==t.data)return;const o=ks._createAt(e,n);if(t.parent){if(qa(t.root,o.root))return void this.move(_s._createOn(t),o);if(t.root.document)throw new hn.b("model-writer-insert-forbidden-move: Cannot move a node from a document to a different tree. It is forbidden to move a node that was already in a document outside of it.",this);this.remove(t)}const i=o.root.document?o.root.document.version:null,r=new Na(o,t,i);if(t instanceof fs&&(r.shouldReceiveAttributes=!0),this.batch.addOperation(r),this.model.applyOperation(r),t instanceof _a)for(const[e,n]of t.markers){const t=ks._createAt(n.root,0),i={range:new _s(n.start._getCombined(t,o),n.end._getCombined(t,o)),usingOperation:!0,affectsData:!0};this.model.markers.has(e)?this.updateMarker(e,i):this.addMarker(e,i)}}insertText(t,e,n,o){e instanceof _a||e instanceof ps||e instanceof ks?this.insert(this.createText(t),e,n):this.insert(this.createText(t,e),n,o)}insertElement(t,e,n,o){e instanceof _a||e instanceof ps||e instanceof ks?this.insert(this.createElement(t),e,n):this.insert(this.createElement(t,e),n,o)}append(t,e){this.insert(t,e,"end")}appendText(t,e,n){e instanceof _a||e instanceof ps?this.insert(this.createText(t),e,"end"):this.insert(this.createText(t,e),n,"end")}appendElement(t,e,n){e instanceof _a||e instanceof ps?this.insert(this.createElement(t),e,"end"):this.insert(this.createElement(t,e),n,"end")}setAttribute(t,e,n){if(this._assertWriterUsedCorrectly(),n instanceof _s){const o=n.getMinimalFlatRanges();for(const n of o)Ba(this,t,e,n)}else Fa(this,t,e,n)}setAttributes(t,e){for(const[n,o]of Ln(t))this.setAttribute(n,o,e)}removeAttribute(t,e){if(this._assertWriterUsedCorrectly(),e instanceof _s){const n=e.getMinimalFlatRanges();for(const e of n)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 n of t.getItems())e(n);else e(t)}move(t,e,n){if(this._assertWriterUsedCorrectly(),!(t instanceof _s))throw new hn.b("writer-move-invalid-range: Invalid range to move.",this);if(!t.isFlat)throw new hn.b("writer-move-range-not-flat: Range to move is not flat.",this);const o=ks._createAt(e,n);if(o.isEqual(t.start))return;if(this._addOperationForAffectedMarkers("move",t),!qa(t.root,o.root))throw new hn.b("writer-move-different-document: Range is going to be moved between different documents.",this);const i=t.root.document?t.root.document.version:null,r=new Ia(t.start,t.end.offset-t.start.offset,o,i);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,n=t.nodeAfter;if(this._addOperationForAffectedMarkers("merge",t),!(e instanceof ps))throw new hn.b("writer-merge-no-element-before: Node before merge position must be an element.",this);if(!(n instanceof ps))throw new hn.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,n){return this.model.createPositionFromPath(t,e,n)}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,n){return this.model.createSelection(t,e,n)}_mergeDetached(t){const e=t.nodeBefore,n=t.nodeAfter;this.move(_s._createIn(n),ks._createAt(e,"end")),this.remove(n)}_merge(t){const e=ks._createAt(t.nodeBefore,"end"),n=ks._createAt(t.nodeAfter,0),o=t.root.document.graveyard,i=new ks(o,[0]),r=t.root.document.version,s=new La(n,t.nodeAfter.maxOffset,e,i,r);this.batch.addOperation(s),this.model.applyOperation(s)}rename(t,e){if(this._assertWriterUsedCorrectly(),!(t instanceof ps))throw new hn.b("writer-rename-not-element-instance: Trying to rename an object which is not an instance of Element.",this);const n=t.root.document?t.root.document.version:null,o=new Ra(ks._createBefore(t),t.name,e,n);this.batch.addOperation(o),this.model.applyOperation(o)}split(t,e){this._assertWriterUsedCorrectly();let n,o,i=t.parent;if(!i.parent)throw new hn.b("writer-split-element-no-parent: Element with no parent can not be split.",this);if(e||(e=i.parent),!t.parent.getAncestors({includeSelf:!0}).includes(e))throw new hn.b("writer-split-invalid-limit-element: Limit element is not a position ancestor.",this);do{const e=i.root.document?i.root.document.version:null,r=i.maxOffset-t.offset,s=new ja(t,r,null,e);this.batch.addOperation(s),this.model.applyOperation(s),n||o||(n=i,o=t.parent.nextSibling),i=(t=this.createPositionAfter(t.parent)).parent}while(i!==e);return{position:t,range:new _s(ks._createAt(n,"end"),ks._createAt(o,0))}}wrap(t,e){if(this._assertWriterUsedCorrectly(),!t.isFlat)throw new hn.b("writer-wrap-range-not-flat: Range to wrap is not flat.",this);const n=e instanceof ps?e:new ps(e);if(n.childCount>0)throw new hn.b("writer-wrap-element-not-empty: Element to wrap with is not empty.",this);if(null!==n.parent)throw new hn.b("writer-wrap-element-attached: Element to wrap with is already attached to tree model.",this);this.insert(n,t.start);const o=new _s(t.start.getShiftedBy(1),t.end.getShiftedBy(1));this.move(o,ks._createAt(n,0))}unwrap(t){if(this._assertWriterUsedCorrectly(),null===t.parent)throw new hn.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 hn.b("writer-addMarker-no-usingOperation: The options.usingOperation parameter is required when adding a new marker.",this);const n=e.usingOperation,o=e.range,i=void 0!==e.affectsData&&e.affectsData;if(this.model.markers.has(t))throw new hn.b("writer-addMarker-marker-exists: Marker with provided name already exists.",this);if(!o)throw new hn.b("writer-addMarker-no-range: Range parameter is required when adding a new marker.",this);return n?(Ua(this,t,null,o,i),this.model.markers.get(t)):this.model.markers._set(t,o,n,i)}updateMarker(t,e){this._assertWriterUsedCorrectly();const n="string"==typeof t?t:t.name,o=this.model.markers.get(n);if(!o)throw new hn.b("writer-updateMarker-marker-not-exists: Marker with provided name does not exists.",this);if(!e)return void this.model.markers._refresh(o);const i="boolean"==typeof e.usingOperation,r="boolean"==typeof e.affectsData,s=r?e.affectsData:o.affectsData;if(!i&&!e.range&&!r)throw new hn.b("writer-updateMarker-wrong-options: One of the options is required - provide range, usingOperations or affectsData.",this);const a=o.getRange(),c=e.range?e.range:a;i&&e.usingOperation!==o.managedUsingOperations?e.usingOperation?Ua(this,n,null,c,s):(Ua(this,n,a,null,s),this.model.markers._set(n,c,void 0,s)):o.managedUsingOperations?Ua(this,n,a,c,s):this.model.markers._set(n,c,void 0,s)}removeMarker(t){this._assertWriterUsedCorrectly();const e="string"==typeof t?t:t.name;if(!this.model.markers.has(e))throw new hn.b("writer-removeMarker-no-marker: Trying to remove marker which does not exist.",this);const n=this.model.markers.get(e);n.managedUsingOperations?Ua(this,e,n.getRange(),null,n.affectsData):this.model.markers._remove(e)}setSelection(t,e,n){this._assertWriterUsedCorrectly(),this.model.document.selection._setTo(t,e,n)}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,n]of Ln(t))this._setSelectionAttribute(e,n)}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 n=this.model.document.selection;if(n.isCollapsed&&n.anchor.parent.isEmpty){const o=Rs._getStoreAttributeKey(t);this.setAttribute(o,e,n.anchor.parent)}n._setAttribute(t,e)}_removeSelectionAttribute(t){const e=this.model.document.selection;if(e.isCollapsed&&e.anchor.parent.isEmpty){const n=Rs._getStoreAttributeKey(t);this.removeAttribute(n,e.anchor.parent)}e._removeAttribute(t)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this)throw new hn.b("writer-incorrect-use: Trying to use a writer outside the change() block.",this)}_addOperationForAffectedMarkers(t,e){for(const n of this.model.markers){if(!n.managedUsingOperations)continue;const o=n.getRange();let i=!1;if("move"==t)i=e.containsPosition(o.start)||e.start.isEqual(o.start)||e.containsPosition(o.end)||e.end.isEqual(o.end);else{const t=e.nodeBefore,n=e.nodeAfter,r=o.start.parent==t&&o.start.isAtEnd,s=o.end.parent==n&&0==o.end.offset,a=o.end.nodeAfter==n,c=o.start.nodeAfter==n;i=r||s||a||c}i&&this.updateMarker(n.name,{range:o})}}}function Ba(t,e,n,o){const i=t.model,r=i.document;let s,a,c,l=o.start;for(const t of o.getWalker({shallow:!0}))c=t.item.getAttribute(e),s&&a!=c&&(a!=n&&d(),l=s),s=t.nextPosition,a=c;function d(){const o=new _s(l,s),c=o.root.document?r.version:null,d=new Ma(o,e,a,n,c);t.batch.addOperation(d),i.applyOperation(d)}s instanceof ks&&s!=l&&a!=n&&d()}function Fa(t,e,n,o){const i=t.model,r=i.document,s=o.getAttribute(e);let a,c;if(s!=n){if(o.root===o){const t=o.document?r.version:null;c=new Da(o,e,s,n,t)}else{a=new _s(ks._createBefore(o),t.createPositionAfter(o));const i=a.root.document?r.version:null;c=new Ma(a,e,s,n,i)}t.batch.addOperation(c),i.applyOperation(c)}}function Ua(t,e,n,o,i){const r=t.model,s=r.document,a=new Oa(e,n,o,r.markers,i,s.version);t.batch.addOperation(a),r.applyOperation(a)}function Ha(t,e,n,o){let i;if(t.root.document){const n=o.document,r=new ks(n.graveyard,[0]);i=new Ia(t,e,r,n.version)}else i=new Ea(t,e);n.addOperation(i),o.applyOperation(i)}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),n=this._isInInsertedElement(t.targetPosition.parent);e||this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany),n||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 n=t.graveyardPosition.parent;this._markInsert(n,t.graveyardPosition.offset,1);const o=t.targetPosition.parent;this._isInInsertedElement(o)||this._markInsert(o,t.targetPosition.offset,e.maxOffset);break}}this._cachedChanges=null}bufferMarkerChange(t,e,n,o){const i=this._changedMarkers.get(t);i?(i.newRange=n,i.affectsData=o,null==i.oldRange&&null==i.newRange&&this._changedMarkers.delete(t)):this._changedMarkers.set(t,{oldRange:e,newRange:n,affectsData:o})}getMarkersToRemove(){const t=[];for(const[e,n]of this._changedMarkers)null!=n.oldRange&&t.push({name:e,range:n.oldRange});return t}getMarkersToAdd(){const t=[];for(const[e,n]of this._changedMarkers)null!=n.newRange&&t.push({name:e,range:n.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 n=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),o=this._elementSnapshots.get(t),i=$a(t.getChildren()),r=Ya(o.length,n);let s=0,a=0;for(const n of r)if("i"===n)e.push(this._getInsertDiff(t,s,i[s].name)),s++;else if("r"===n)e.push(this._getRemoveDiff(t,s,o[a].name)),a++;else if("a"===n){const n=i[s].attributes,r=o[a].attributes;let c;if("$text"==i[s].name)c=new _s(ks._createAt(t,s),ks._createAt(t,s+1));else{const e=t.offsetToIndex(s);c=new _s(ks._createAt(t,s),ks._createAt(t.getChild(e),0))}e.push(...this._getAttributesDiff(c,r,n)),s++,a++}else s++,a++}e.sort((t,e)=>t.position.root!=e.position.root?t.position.root.rootName<e.position.root.rootName?-1:1:t.position.isEqual(e.position)?t.changeCount-e.changeCount:t.position.isBefore(e.position)?-1:1);for(let t=1;t<e.length;t++){const n=e[t-1],o=e[t],i="remove"==n.type&&"remove"==o.type&&"$text"==n.name&&"$text"==o.name&&n.position.isEqual(o.position),r="insert"==n.type&&"insert"==o.type&&"$text"==n.name&&"$text"==o.name&&n.position.parent==o.position.parent&&n.position.offset+n.length==o.position.offset,s="attribute"==n.type&&"attribute"==o.type&&n.position.parent==o.position.parent&&n.range.isFlat&&o.range.isFlat&&n.position.offset+n.length==o.position.offset&&n.attributeKey==o.attributeKey&&n.attributeOldValue==o.attributeOldValue&&n.attributeNewValue==o.attributeNewValue;(i||r||s)&&(e[t-1].length++,s&&(e[t-1].range.end=e[t-1].range.end.getShiftedBy(1)),e.splice(t,1),t--)}for(const t of e)delete t.changeCount,"attribute"==t.type&&(delete t.position,delete t.length);return this._changeCount=0,this._cachedChangesWithGraveyard=e.slice(),this._cachedChanges=e.slice().filter(Ga),t.includeChangesInGraveyard?this._cachedChangesWithGraveyard:this._cachedChanges}reset(){this._changesInElement.clear(),this._elementSnapshots.clear(),this._changedMarkers.clear(),this._cachedChanges=null}_markInsert(t,e,n){const o={type:"insert",offset:e,howMany:n,count:this._changeCount++};this._markChange(t,o)}_markRemove(t,e,n){const o={type:"remove",offset:e,howMany:n,count:this._changeCount++};this._markChange(t,o),this._removeAllNestedChanges(t,e,n)}_markAttribute(t){const e={type:"attribute",offset:t.startOffset,howMany:t.offsetSize,count:this._changeCount++};this._markChange(t.parent,e)}_markChange(t,e){this._makeSnapshot(t);const n=this._getChangesForElement(t);this._handleChange(e,n),n.push(e);for(let t=0;t<n.length;t++)n[t].howMany<1&&(n.splice(t,1),t--)}_getChangesForElement(t){let e;return this._changesInElement.has(t)?e=this._changesInElement.get(t):(e=[],this._changesInElement.set(t,e)),e}_makeSnapshot(t){this._elementSnapshots.has(t)||this._elementSnapshots.set(t,$a(t.getChildren()))}_handleChange(t,e){t.nodesToHandle=t.howMany;for(const n of e){const o=t.offset+t.howMany,i=n.offset+n.howMany;if("insert"==t.type&&("insert"==n.type&&(t.offset<=n.offset?n.offset+=t.howMany:t.offset<i&&(n.howMany+=t.nodesToHandle,t.nodesToHandle=0)),"remove"==n.type&&t.offset<n.offset&&(n.offset+=t.howMany),"attribute"==n.type))if(t.offset<=n.offset)n.offset+=t.howMany;else if(t.offset<i){const i=n.howMany;n.howMany=t.offset-n.offset,e.unshift({type:"attribute",offset:o,howMany:i-n.howMany,count:this._changeCount++})}if("remove"==t.type){if("insert"==n.type)if(o<=n.offset)n.offset-=t.howMany;else if(o<=i)if(t.offset<n.offset){const e=o-n.offset;n.offset=t.offset,n.howMany-=e,t.nodesToHandle-=e}else n.howMany-=t.nodesToHandle,t.nodesToHandle=0;else if(t.offset<=n.offset)t.nodesToHandle-=n.howMany,n.howMany=0;else if(t.offset<i){const e=i-t.offset;n.howMany-=e,t.nodesToHandle-=e}if("remove"==n.type&&(o<=n.offset?n.offset-=t.howMany:t.offset<n.offset&&(t.nodesToHandle+=n.howMany,n.howMany=0)),"attribute"==n.type)if(o<=n.offset)n.offset-=t.howMany;else if(t.offset<n.offset){const e=o-n.offset;n.offset=t.offset,n.howMany-=e}else if(t.offset<i)if(o<=i){const o=n.howMany;n.howMany=t.offset-n.offset;const i=o-n.howMany-t.nodesToHandle;e.unshift({type:"attribute",offset:t.offset,howMany:i,count:this._changeCount++})}else n.howMany-=i-t.offset}if("attribute"==t.type){if("insert"==n.type)if(t.offset<n.offset&&o>n.offset){if(o>i){const t={type:"attribute",offset:i,howMany:o-i,count:this._changeCount++};this._handleChange(t,e),e.push(t)}t.nodesToHandle=n.offset-t.offset,t.howMany=t.nodesToHandle}else t.offset>=n.offset&&t.offset<i&&(o>i?(t.nodesToHandle=o-i,t.offset=i):t.nodesToHandle=0);if("remove"==n.type&&t.offset<n.offset&&o>n.offset){const i={type:"attribute",offset:n.offset,howMany:o-n.offset,count:this._changeCount++};this._handleChange(i,e),e.push(i),t.nodesToHandle=n.offset-t.offset,t.howMany=t.nodesToHandle}"attribute"==n.type&&(t.offset>=n.offset&&o<=i?(t.nodesToHandle=0,t.howMany=0,t.offset=0):t.offset<=n.offset&&o>=i&&(n.howMany=0))}}t.howMany=t.nodesToHandle,delete t.nodesToHandle}_getInsertDiff(t,e,n){return{type:"insert",position:ks._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getRemoveDiff(t,e,n){return{type:"remove",position:ks._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getAttributesDiff(t,e,n){const o=[];n=new Map(n);for(const[i,r]of e){const e=n.has(i)?n.get(i):null;e!==r&&o.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:i,attributeOldValue:r,attributeNewValue:e,changeCount:this._changeCount++}),n.delete(i)}for(const[e,i]of n)o.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:e,attributeOldValue:null,attributeNewValue:i,changeCount:this._changeCount++});return o}_isInInsertedElement(t){const e=t.parent;if(!e)return!1;const n=this._changesInElement.get(e),o=t.startOffset;if(n)for(const t of n)if("insert"==t.type&&o>=t.offset&&o<t.offset+t.howMany)return!0;return this._isInInsertedElement(e)}_removeAllNestedChanges(t,e,n){const o=new _s(ks._createAt(t,e),ks._createAt(t,e+n));for(const t of o.getItems({shallow:!0}))t.is("element")&&(this._elementSnapshots.delete(t),this._changesInElement.delete(t),this._removeAllNestedChanges(t,0,t.maxOffset))}}function $a(t){const e=[];for(const n of t)if(n.is("text"))for(let t=0;t<n.data.length;t++)e.push({name:"$text",attributes:new Map(n.getAttributes())});else e.push({name:n.name,attributes:new Map(n.getAttributes())});return e}function Ya(t,e){const n=[];let o=0,i=0;for(const t of e){if(t.offset>o){for(let e=0;e<t.offset-o;e++)n.push("e");i+=t.offset-o}if("insert"==t.type){for(let e=0;e<t.howMany;e++)n.push("i");o=t.offset+t.howMany}else if("remove"==t.type){for(let e=0;e<t.howMany;e++)n.push("r");o=t.offset,i+=t.howMany}else n.push(..."a".repeat(t.howMany).split("")),o=t.offset+t.howMany,i+=t.howMany}if(i<t)for(let e=0;e<t-i-o;e++)n.push("e");return n}function Ga(t){const e=t.position&&"$graveyard"==t.position.root.rootName,n=t.range&&"$graveyard"==t.range.root.rootName;return!e&&!n}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!!(n=t.charAt(e-1))&&1==n.length&&/[\ud800-\udbff]/.test(n)&&function(t){return!!t&&1==t.length&&/[\udc00-\udfff]/.test(t)}(t.charAt(e));var n}function Ja(t,e){return!!(n=t.charAt(e))&&1==n.length&&/[\u0300-\u036f\u1ab0-\u1aff\u1dc0-\u1dff\u20d0-\u20ff\ufe20-\ufe2f]/.test(n);var n}class Za{constructor(t){this.model=t,this.version=0,this.history=new Qa(this),this.selection=new Rs(this),this.roots=new xn({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 n=e[0];if(n.isDocumentOperation&&n.baseVersion!==this.version)throw new hn.b("model-document-applyOperation-wrong-version: Only operations with matching versions can be applied.",this,{operation:n})},{priority:"highest"}),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&this.differ.bufferOperation(n)},{priority:"high"}),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&(this.version++,this.history.addOperation(n))},{priority:"low"}),this.listenTo(this.selection,"change",()=>{this._hasSelectionChangedFromTheLastChangeBlock=!0}),this.listenTo(t.markers,"update",(t,e,n,o)=>{this.differ.bufferMarkerChange(e.name,n,o,e.affectsData),null===n&&e.on("change",(t,n)=>{this.differ.bufferMarkerChange(e.name,n,e.getRange(),e.affectsData)})})}get graveyard(){return this.getRoot("$graveyard")}createRoot(t="$root",e="main"){if(this.roots.get(e))throw new hn.b("model-document-createRoot-name-exists: Root with specified name already exists.",this,{name:e});const n=new Va(this,t,e);return this.roots.add(n),n}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=In(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,n=e.schema,o=e.createPositionFromPath(t,[0]);return n.getNearestSelectionRange(o)||e.createRange(o)}_validateSelectionRange(t){return Xa(t.start)&&Xa(t.end)}_callPostFixers(t){let e=!1;do{for(const n of this._postFixers)if(this.selection.refresh(),e=n(t),e)break}while(e)}}function Xa(t){const e=t.textNode;if(e){const n=e.data,o=t.offset-e.startOffset;return!Ka(n,o)&&!Ja(n,o)}return!0}yn(Za,gn);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,n=!1,o=!1){const i=t instanceof ec?t.name:t,r=this._markers.get(i);if(r){const t=r.getRange();let s=!1;return t.isEqual(e)||(r._attachLiveRange(Is.fromRange(e)),s=!0),n!=r.managedUsingOperations&&(r._managedUsingOperations=n,s=!0),"boolean"==typeof o&&o!=r.affectsData&&(r._affectsData=o,s=!0),s&&this.fire("update:"+i,r,t,e),r}const s=Is.fromRange(e),a=new ec(i,s,n,o);return this._markers.set(i,a),this.fire("update:"+i,a,null,e),a}_remove(t){const e=t instanceof ec?t.name:t,n=this._markers.get(e);return!!n&&(this._markers.delete(e),this.fire("update:"+e,n,n.getRange(),null),this._destroyMarker(n),!0)}_refresh(t){const e=t instanceof ec?t.name:t,n=this._markers.get(e);if(!n)throw new hn.b("markercollection-refresh-marker-not-exists: Marker with provided name does not exists.",this);const o=n.getRange();this.fire("update:"+e,n,o,o,n.managedUsingOperations,n.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()}}yn(tc,gn);class ec{constructor(t,e,n,o){this.name=t,this._liveRange=this._attachLiveRange(e),this._managedUsingOperations=n,this._affectsData=o}get managedUsingOperations(){if(!this._liveRange)throw new hn.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new hn.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._affectsData}getStart(){if(!this._liveRange)throw new hn.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new hn.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new hn.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.toRange()}is(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}}yn(ec,gn);class nc extends ka{get type(){return"noop"}clone(){return new nc(this.baseVersion)}getReversed(){return new nc(this.baseVersion+1)}_execute(){}static get className(){return"NoOperation"}}const oc={};oc[Ma.className]=Ma,oc[Na.className]=Na,oc[Oa.className]=Oa,oc[Ia.className]=Ia,oc[nc.className]=nc,oc[ka.className]=ka,oc[Ra.className]=Ra,oc[Da.className]=Da,oc[ja.className]=ja,oc[La.className]=La;class ic extends ks{constructor(t,e,n="toNone"){if(super(t,e,n),!this.root.is("rootElement"))throw new hn.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 n=e[0];n.isDocumentOperation&&sc.call(this,n)},{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)}}yn(ic,gn);class ac{constructor(t,e,n){this.model=t,this.writer=e,this.position=n,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 n=0;n<t.length;n++){const o=t[n];this._handleNode(o,{isFirst:0===n&&e.isFirst,isLast:n===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 hn.b("insertcontent-wrong-position: Given node cannot be inserted on the given position.",this,{node:t,position:this.position});const e=ic.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=ic.fromPosition(t,"toPrevious")),this._affectedEnd&&!this._affectedEnd.isBefore(t)||(this._affectedEnd&&this._affectedEnd.detach(),this._affectedEnd=ic.fromPosition(t,"toNext"))}_mergeSiblingsOf(t,e){if(!(t instanceof ps))return;const n=this._canMergeLeft(t,e),o=this._canMergeRight(t,e),i=ic._createBefore(t);i.stickiness="toNext";const r=ic._createAfter(t);if(r.stickiness="toNext",n){const t=ic.fromPosition(this.position);t.stickiness="toNext",this._affectedStart.isEqual(i)&&(this._affectedStart.detach(),this._affectedStart=ic._createAt(i.nodeBefore,"end","toPrevious")),this.writer.merge(i),i.isEqual(this._affectedEnd)&&e.isLast&&(this._affectedEnd.detach(),this._affectedEnd=ic._createAt(i.nodeBefore,"end","toNext")),this.position=t.toPosition(),t.detach()}if(o){if(!this.position.isEqual(r))throw new hn.b("insertcontent-invalid-insertion-position",this);this.position=ks._createAt(r.nodeBefore,"end");const t=ic.fromPosition(this.position,"toPrevious");this._affectedEnd.isEqual(r)&&(this._affectedEnd.detach(),this._affectedEnd=ic._createAt(r.nodeBefore,"end","toNext")),this.writer.merge(r),r.getShiftedBy(-1).isEqual(this._affectedStart)&&e.isFirst&&(this._affectedStart.detach(),this._affectedStart=ic._createAt(r.nodeBefore,0,"toPrevious")),this.position=t.toPosition(),t.detach()}(n||o)&&this._filterAttributesOf.push(this.position.parent),i.detach(),r.detach()}_canMergeLeft(t,e){const n=t.previousSibling;return e.isFirst&&n instanceof ps&&this.canMergeWith.has(n)&&this.model.schema.checkMerge(n,t)}_canMergeRight(t,e){const n=t.nextSibling;return e.isLast&&n instanceof ps&&this.canMergeWith.has(n)&&this.model.schema.checkMerge(t,n)}_tryAutoparagraphing(t,e){const n=this.writer.createElement("paragraph");this._getAllowedIn(n,this.position.parent)&&this.schema.checkChild(n,t)&&(n._appendChild(t),this._handleNode(n,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,n={}){if(e.isCollapsed)return;const o=e.getFirstRange();if("$graveyard"==o.root.rootName)return;const i=t.schema;t.change(t=>{if(!n.doNotResetEntireContent&&function(t,e){const n=t.getLimitElement(e);if(!e.containsEntireContent(n))return!1;const o=e.getFirstRange();if(o.start.parent==o.end.parent)return!1;return t.checkChild(n,"paragraph")}(i,e))return void function(t,e){const n=t.model.schema.getLimitElement(e);t.remove(t.createRangeIn(n)),lc(t,t.createPositionAt(n,0),e)}(t,e);const r=o.start,s=ic.fromPosition(o.end,"toNext");o.start.isTouching(o.end)||t.remove(o),n.leaveUnmerged||(!function t(e,n,o){const i=n.parent,r=o.parent;if(i==r)return;if(e.model.schema.isLimit(i)||e.model.schema.isLimit(r))return;if(!function(t,e,n){const o=new _s(t,e);for(const t of o.getWalker())if(n.isLimit(t.item))return!1;return!0}(n,o,e.model.schema))return;n=e.createPositionAfter(i),(o=e.createPositionBefore(r)).isEqual(n)||e.insert(r,n);e.merge(n);for(;o.parent.isEmpty;){const t=o.parent;o=e.createPositionBefore(t),e.remove(t)}t(e,n,o)}(t,r,s),i.removeDisallowedAttributes(r.parent.getChildren(),t)),dc(t,e,r),!n.doNotAutoparagraph&&function(t,e){const n=t.checkChild(e,"$text"),o=t.checkChild(e,"paragraph");return!n&&o}(i,r)&&lc(t,r,e),s.detach()})}function lc(t,e,n){const o=t.createElement("paragraph");t.insert(o,e),dc(t,n,t.createPositionAt(o,0))}function dc(t,e,n){e instanceof Rs?t.setSelection(n):e.setTo(n)}function uc(t,e){if("text"==e.type)return"word"===t.unit?function(t,e){let n=t.position.textNode;if(n){let o=t.position.offset-n.startOffset;for(;!fc(n.data,o,e)&&!mc(n,o,e);){t.next();const i=e?t.position.nodeAfter:t.position.nodeBefore;if(i&&i.is("text")){const o=i.data.charAt(e?0:i.data.length-1);' ,.?!:;"-()'.includes(o)||(t.next(),n=t.position.textNode)}o=t.position.offset-n.startOffset}}return t.position}(t.walker,t.isForward):function(t,e){const n=t.position.textNode;if(n){const o=n.data;let i=t.position.offset-n.startOffset;for(;Ka(o,i)||"character"==e&&Ja(o,i);)t.next(),i=t.position.offset-n.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 hc(t,e){const n=t.root,o=ks._createAt(n,e?"end":0);return e?new _s(t,o):new _s(o,t)}function fc(t,e,n){const o=e+(n?0:-1);return' ,.?!:;"-()'.includes(t.charAt(o))}function mc(t,e,n){return e===(n?t.endOffset:0)}function gc(t,e){const n=[];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=>{n.push(t.start.parent),e.remove(t)}),n.forEach(t=>{let n=t;for(;n.parent&&n.isEmpty;){const t=e.createRangeOn(n);n=n.parent,e.remove(t)}})}function pc(t){t.document.registerPostFixer(e=>function(t,e){const n=e.document.selection,o=e.schema,i=[];let r=!1;for(const t of n.getRanges()){const e=bc(t,o);e?(i.push(e),r=!0):i.push(t)}r&&t.setSelection(function(t){const e=[];e.push(t.shift());for(const n of t){const t=e.pop();if(n.isIntersecting(t)){const o=t.start.isAfter(n.start)?n.start:t.start,i=t.end.isAfter(n.end)?t.end:n.end,r=new _s(o,i);e.push(r)}else e.push(t),e.push(n)}return e}(i),{backward:n.isBackward})}(e,t))}function bc(t,e){return t.isCollapsed?function(t,e){const n=t.start,o=e.getNearestSelectionRange(n);if(!o)return null;if(!o.isCollapsed)return o;const i=o.start;if(n.isEqual(i))return null;return new _s(i)}(t,e):function(t,e){const n=t.start,o=t.end,i=e.checkChild(n,"$text"),r=e.checkChild(o,"$text"),s=e.getLimitElement(n),a=e.getLimitElement(o);if(s===a){if(i&&r)return null;if(function(t,e,n){const o=t.nodeAfter&&!n.isLimit(t.nodeAfter)||n.checkChild(t,"$text"),i=e.nodeBefore&&!n.isLimit(e.nodeBefore)||n.checkChild(e,"$text");return o||i}(n,o,e)){const t=n.nodeAfter&&e.isObject(n.nodeAfter)?null:e.getNearestSelectionRange(n,"forward"),i=o.nodeBefore&&e.isObject(o.nodeBefore)?null:e.getNearestSelectionRange(o,"backward"),r=t?t.start:n,s=i?i.start:o;return new _s(r,s)}}const c=s&&!s.is("rootElement"),l=a&&!a.is("rootElement");if(c||l){const t=n.nodeAfter&&o.nodeBefore&&n.nodeAfter.parent===o.nodeBefore.parent,i=c&&(!t||!kc(n.nodeAfter,e)),r=l&&(!t||!kc(o.nodeBefore,e));let d=n,u=o;return i&&(d=ks._createBefore(wc(s,e))),r&&(u=ks._createAfter(wc(a,e))),new _s(d,u)}return null}(t,e)}function wc(t,e){let n=t,o=n;for(;e.isLimit(o)&&o.parent;)n=o,o=o.parent;return n}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){hn.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){hn.b.rethrowUnexpectedError(t,this)}}applyOperation(t){t._execute()}insertContent(t,e,n){return function(t,e,n,o){return t.change(i=>{let r;r=n?n instanceof Ts||n instanceof Rs?n:i.createSelection(n,o):t.document.selection,r.isCollapsed||t.deleteContent(r,{doNotAutoparagraph:!0});const s=new ac(t,i,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?i.setSelection(c):r.setTo(c));const l=s.getAffectedRange()||t.createRange(r.anchor);return s.destroy(),l})}(this,t,e,n)}deleteContent(t,e){cc(this,t,e)}modifySelection(t,e){!function(t,e,n={}){const o=t.schema,i="backward"!=n.direction,r=n.unit?n.unit:"character",s=e.focus,a=new bs({boundaries:hc(s,i),singleCharacters:!0,direction:i?"forward":"backward"}),c={walker:a,schema:o,isForward:i,unit:r};let l;for(;l=a.next();){if(l.done)return;const n=uc(c,l.value);if(n)return void(e instanceof Rs?t.change(t=>{t.setSelectionFocus(n)}):e.setFocus(n))}}(this,t,e)}getSelectedContent(t){return function(t,e){return t.change(t=>{const n=t.createDocumentFragment(),o=e.getFirstRange();if(!o||o.isCollapsed)return n;const i=o.start.root,r=o.start.getCommonPath(o.end),s=i.getNodeByPath(r);let a;a=o.start.parent==o.end.parent?o:t.createRange(t.createPositionAt(s,o.start.path[r.length]),t.createPositionAt(s,o.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(),n):t.append(e._clone(!0),n);if(a!=o){const e=o._getTransformedByMove(a.start,t.createPositionAt(n,0),c)[0],i=t.createRange(t.createPositionAt(n,0),e.start);gc(t.createRange(e.end,t.createPositionAt(n,"end")),t),gc(i,t)}return n})}(this,t)}hasContent(t,e){const n=t instanceof ps?_s._createIn(t):t;if(n.isCollapsed)return!1;for(const t of this.markers.getMarkersIntersectingRange(n))if(t.affectsData)return!0;const{ignoreWhitespaces:o=!1}=e||{};for(const t of n.getItems())if(t.is("textProxy")){if(!o)return!0;if(-1!==t.data.search(/\S/))return!0}else if(this.schema.isObject(t))return!0;return!1}createPositionFromPath(t,e,n){return new ks(t,e,n)}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,n){return new Ts(t,e,n)}createBatch(t){return new wa(t)}createOperationFromJSON(t){return class{static fromJSON(t,e){return oc[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 n=this._pendingChanges[0].callback(this._currentWriter);t.push(n),this.document._handleChangeBlock(this._currentWriter),this._pendingChanges.shift(),this._currentWriter=null}return this.fire("_afterChanges"),t}}yn(_c,Ho);class vc{constructor(){this._listener=Object.create(cr)}listenTo(t){this._listener.listenTo(t,"keydown",(t,e)=>{this._listener.fire("_keydown:"+pi(e),e)})}set(t,e,n={}){const o=bi(t),i=n.priority;this._listener.listenTo(this._listener,"_keydown:"+o,(t,n)=>{e(n,()=>{n.preventDefault(),n.stopPropagation(),t.stop()}),t.return=!0},{priority:i})}press(t){return!!this._listener.fire("_keydown:"+pi(t),t)}destroy(){this._listener.stopListening()}}class yc extends vc{constructor(t){super(),this.editor=t}set(t,e,n={}){if("string"==typeof e){const t=e;e=(e,n)=>{this.editor.execute(t),n()}}super.set(t,e,n)}}class xc{constructor(t={}){this._context=t.context||new Mn({language:t.language}),this._context._addEditor(this,!t.context);const e=Array.from(this.constructor.builtinPlugins||[]);this.config=new on(t,this.constructor.defaultConfig),this.config.define("plugins",e),this.config.define(this._context._getEditorConfig()),this.plugins=new An(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 n=new Io;this.data=new ma(this.model,n),this.editing=new Ks(this.model,n),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"),n=t.get("removePlugins")||[],o=t.get("extraPlugins")||[];return this.plugins.init(e.concat(o),n)}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){hn.b.rethrowUnexpectedError(t,this)}}}yn(xc,Ho);var Ac={setData(t){this.data.set(t)},getData(t){return this.data.get(t)}};var Cc={updateSourceElement(){if(!this.sourceElement)throw new hn.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 Tc{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 or(t,{blockFillerMode:"nbsp"}),this._htmlWriter=new Tc}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"),n=e.createDocumentFragment(),o=e.body.childNodes;for(;o.length>0;)n.appendChild(o[0]);return n}}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 hn.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 hn.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 hn.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)}}yn(Ec,cr),yn(Ec,Ho);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}}yn(Ic,gn);n(13);const Nc=new WeakMap;function Oc(t){const{view:e,element:n,text:o,isDirectHost:i=!0}=t,r=e.document;Nc.has(r)||(Nc.set(r,new Map),r.registerPostFixer(t=>Dc(r,t))),Nc.get(r).set(n,{text:o,isDirectHost:i}),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 n=Nc.get(t);let o=!1;for(const[t,i]of n)Lc(e,t,i)&&(o=!0);return o}function Lc(t,e,n){const{text:o,isDirectHost:i}=n,r=i?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&&(n.hostElement=r,r.getAttribute("data-placeholder")!==o&&(t.setAttribute("data-placeholder",o,r),s=!0),!function(t){if(!t.isAttached())return!1;const e=!Array.from(t.getChildren()).some(t=>!t.is("uiElement")),n=t.document;if(!n.isFocused&&e)return!0;const o=n.selection.anchor;return!(!e||!o||o.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 n;super(t),this.view=e,this._toolbarConfig=(n=t.config.get("toolbar"),Array.isArray(n)?{items:n}:n?Object.assign({items:[]},n):{items:[]}),this._elementReplacer=new jc}get element(){return this.view.element}init(t){const e=this.editor,n=this.view,o=e.editing.view,i=n.editable,r=o.document.getRoot();i.name=r.rootName,n.render();const s=i.element;this.setEditableElement(i.name,s),this.focusTracker.add(s),n.editable.bind("isFocused").to(this.focusTracker),o.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,n=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:n,toolbar:o,beforeFocus:i,afterBlur:r}){n.add(o.element),e.set("Alt+F10",(t,e)=>{n.isFocused&&!o.focusTracker.isFocused&&(i&&i(),o.focus(),e())}),o.keystrokes.set("Esc",(e,n)=>{o.focusTracker.isFocused&&(t.focus(),r&&r(),n())})}({origin:n,originFocusTracker:this.focusTracker,originKeystrokeHandler:t.keystrokes,toolbar:e.toolbar})}_initPlaceholder(){const t=this.editor,e=t.editing.view,n=e.document.getRoot(),o=t.sourceElement,i=t.config.get("placeholder")||o&&"textarea"===o.tagName.toLowerCase()&&o.getAttribute("placeholder");i&&Oc({view:e,element:n,text:i,isDirectHost:!1})}}class zc extends xn{constructor(t){super({idProperty:"viewUid"}),this.on("add",(t,e,n)=>{e.isRendered||e.render(),e.element&&this._parentElement&&this._parentElement.insertBefore(e.element,this._parentElement.children[n])}),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 hn.b("ui-viewcollection-delegate-wrong-events: All event names must be strings.",this);return{to:e=>{for(const n of this)for(const o of t)n.delegate(o).to(e);this.on("add",(n,o)=>{for(const n of t)o.delegate(n).to(e)}),this.on("remove",(n,o)=>{for(const n of t)o.stopDelegating(n,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 hn.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 n of e.children)el(n)?yield n:nl(n)&&(yield*t(n))}(this)}static bind(t,e){return{to:(n,o)=>new Uc({eventNameOrFunction:n,attribute:n,observable:t,emitter:e,callback:o}),if:(n,o,i)=>new Hc({observable:t,emitter:e,attribute:n,valueIfTrue:o,callback:i})}}static extend(t,e){if(t._isRendered)throw new hn.b("template-extend-render: Attempting to extend a template which has already been rendered.",[this,t]);!function t(e,n){n.attributes&&(e.attributes||(e.attributes={}),Xc(e.attributes,n.attributes));n.eventListeners&&(e.eventListeners||(e.eventListeners={}),Xc(e.eventListeners,n.eventListeners));n.text&&e.text.push(...n.text);if(n.children&&n.children.length){if(e.children.length!=n.children.length)throw new hn.b("ui-template-extend-children-mismatch: The number of children in extended definition does not match.",e);let o=0;for(const i of n.children)t(e.children[o++],i)}}(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 hn.b('ui-template-wrong-syntax: Node definition must have either "tag" or "text" when rendering a new Node.',this);return this.text?this._renderText(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:$c(e),data:t}):e.textContent=this.text.join(""),e}_renderAttributes(t){let e,n,o,i;if(!this.attributes)return;const r=t.node,s=t.revertData;for(e in this.attributes)if(o=r.getAttribute(e),n=this.attributes[e],s&&(s.attributes[e]=o),i=j(n[0])&&n[0].ns?n[0].ns:null,qc(n)){const a=i?n[0].value:n;s&&il(e)&&a.unshift(o),this._bindToObservable({schema:a,updater:Yc(r,e,i),data:t})}else"style"==e&&"string"!=typeof n[0]?this._renderStyleAttribute(n[0],t):(s&&o&&il(e)&&n.unshift(o),n=n.map(t=>t&&t.value||t).reduce((t,e)=>t.concat(e),[]).reduce(Zc,""),tl(n)||r.setAttributeNS(i,e,n))}_renderStyleAttribute(t,e){const n=e.node;for(const o in t){const i=t[o];qc(i)?this._bindToObservable({schema:[i],updater:Gc(n,o),data:e}):n.style[o]=i}}_renderElementChildren(t){const e=t.node,n=t.intoFragment?document.createDocumentFragment():e,o=t.isApplying;let i=0;for(const r of this.children)if(ol(r)){if(!o){r.setParent(e);for(const t of r)n.appendChild(t.element)}}else if(el(r))o||(r.isRendered||r.render(),n.appendChild(r.element));else if(Gi(r))n.appendChild(r);else if(o){const e={children:[],bindings:[],attributes:{}};t.revertData.children.push(e),r._renderNode({node:n.childNodes[i++],isApplying:!0,revertData:e})}else n.appendChild(r.render());t.intoFragment&&e.appendChild(n)}_setUpListeners(t){if(this.eventListeners)for(const e in this.eventListeners){const n=this.eventListeners[e].map(n=>{const[o,i]=e.split("@");return n.activateDomEventListener(o,i,t)});t.revertData&&t.revertData.bindings.push(n)}}_bindToObservable({schema:t,updater:e,data:n}){const o=n.revertData;Wc(t,e,n);const i=t.filter(t=>!tl(t)).filter(t=>t.observable).map(o=>o.activateAttributeListener(t,e,n));o&&o.bindings.push(i)}_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 n in e.attributes){const o=e.attributes[n];null===o?t.removeAttribute(n):t.setAttribute(n,o)}for(let n=0;n<e.children.length;++n)this._revertTemplateFromNode(t.childNodes[n],e.children[n])}}}yn(Bc,gn);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,n){const o=()=>Wc(t,e,n);return this.emitter.listenTo(this.observable,"change:"+this.attribute,o),()=>{this.emitter.stopListening(this.observable,"change:"+this.attribute,o)}}}class Uc extends Fc{activateDomEventListener(t,e,n){const o=(t,n)=>{e&&!n.target.matches(e)||("function"==typeof this.eventNameOrFunction?this.eventNameOrFunction(n):this.observable.fire(this.eventNameOrFunction,n))};return this.emitter.listenTo(n.node,t,o),()=>{this.emitter.stopListening(n.node,t,o)}}}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:n}){let o=function(t,e){return t.map(t=>t instanceof Fc?t.getValue(e):t)}(t,n);o=1==t.length&&t[0]instanceof Hc?o[0]:o.reduce(Zc,""),tl(o)?e.remove():e.set(o)}function $c(t){return{set(e){t.textContent=e},remove(){t.textContent=""}}}function Yc(t,e,n){return{set(o){t.setAttributeNS(n,e,o)},remove(){t.removeAttributeNS(n,e)}}}function Gc(t,e){return{set(n){t.style[e]=n},remove(){t.style[e]=null}}}function Qc(t){return en(t,t=>{if(t&&(t instanceof Fc||nl(t)||el(t)||ol(t)))return t})}function Kc(t){if("string"==typeof t?t=function(t){return{text:[t]}}(t):t.text&&function(t){Array.isArray(t.text)||(t.text=[t.text])}(t),t.on&&(t.eventListeners=function(t){for(const e in t)Jc(t,e);return t}(t.on),delete t.on),!t.text){t.attributes&&function(t){for(const e in t)t[e].value&&(t[e].value=[].concat(t[e].value)),Jc(t,e)}(t.attributes);const e=[];if(t.children)if(ol(t.children))e.push(t.children);else for(const n of t.children)nl(n)||el(n)||Gi(n)?e.push(n):e.push(new Bc(n));t.children=e}return t}function Jc(t,e){Array.isArray(t[e])||(t[e]=[t[e]])}function Zc(t,e){return tl(e)?t:tl(t)?e:`${t} ${e}`}function Xc(t,e){for(const n in e)t[n]?t[n].push(...e[n]):t[n]=e[n]}function tl(t){return!t&&0!==t}function el(t){return t instanceof rl}function nl(t){return t instanceof Bc}function ol(t){return t instanceof zc}function il(t){return"class"==t||"style"==t}n(15);class rl{constructor(t){this.element=null,this.isRendered=!1,this.locale=t,this.t=t&&t.t,this._viewCollections=new xn,this._unboundChildren=this.createCollection(),this._viewCollections.on("add",(e,n)=>{n.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){Dn(t)||(t=[t]);for(const e of t)this._unboundChildren.add(e)}deregisterChild(t){Dn(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 hn.b("ui-view-render-already-rendered: This View has already been rendered.",this);this.template&&(this.element=this.template.render(),this.registerChild(this.template.getViews())),this.isRendered=!0}destroy(){this.stopListening(),this._viewCollections.map(t=>t.destroy()),this.template&&this.template._revertData&&this.template.revert(this.element)}}yn(rl,cr),yn(rl,Ho);var sl=function(t){return"string"==typeof t||!Dt(t)&&p(t)&&"[object String]"==f(t)};class al 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=function(t,e,n={},o=[]){const i=n&&n.xmlns,r=i?t.createElementNS(i,e):t.createElement(e);for(const t in n)r.setAttribute(t,n[t]);!sl(o)&&Dn(o)||(o=[o]);for(let e of o)sl(e)&&(e=t.createTextNode(e)),r.appendChild(e);return r}(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()}}n(17);class cl extends rl{constructor(t){super(t),this.body=new al(t)}render(){super.render(),this.body.attachToDom()}destroy(){return this.body.detachFromDom(),super.destroy()}}n(19);class ll extends rl{constructor(t){super(t),this.set("text"),this.set("for"),this.id=`ck-editor__label_${dn()}`;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 dl extends cl{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 ll;return e.text=t("bt"),e.extendTemplate({attributes:{class:"ck-voice-label"}}),e}}class ul extends rl{constructor(t,e,n){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=n,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(n=>{const o=t.document.getRoot(e.name);n.addClass(e.isFocused?"ck-focused":"ck-blurred",o),n.removeClass(e.isFocused?"ck-blurred":"ck-focused",o)})}t.isRenderingInProgress?function n(o){t.once("change:isRenderingInProgress",(t,i,r)=>{r?n(o):e(o)})}(this):e(this)}}class hl extends ul{constructor(t,e,n){super(t,e,n),this.extendTemplate({attributes:{role:"textbox",class:"ck-editor__editable_inline"}})}render(){super.render();const t=this._editingView,e=this.t;t.change(n=>{const o=t.document.getRoot(this.name);n.setAttribute("aria-label",e("bw",[this.name]),o)})}}function fl(t){return e=>e+t}n(21);const ml=fl("px");class gl 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?ml(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?ml(this._contentPanelPlaceholder.getBoundingClientRect().width):null),top:e.to("_hasViewportTopOffset",t=>t?ml(this.viewportTopOffset):null),bottom:e.to("_isStickyToTheLimiter",t=>t?ml(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(Xi.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:ml(-Xi.window.scrollX)):(this._isStickyToTheLimiter=!1,this._hasViewportTopOffset=!1,this._marginLeft=null)}}class pl{constructor(t){if(Object.assign(this,t),t.actions&&t.keystrokeHandler)for(const e in t.actions){let n=t.actions[e];"string"==typeof n&&(n=[n]);for(const o of n)t.keystrokeHandler.set(o,(t,n)=>{this[e](),n()})}}get first(){return this.focusables.find(bl)||null}get last(){return this.focusables.filter(bl).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,n)=>{const o=e.element===this.focusTracker.focusedElement;return o&&(t=n),o}),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,n=this.focusables.length;if(!n)return null;if(null===e)return this[1===t?"first":"last"];let o=(e+n+t)%n;do{const e=this.focusables.get(o);if(bl(e))return e;o=(o+n+t)%n}while(o!==e);return null}}function bl(t){return!(!t.focus||"none"==Xi.window.getComputedStyle(t.element).display)}class wl extends rl{constructor(t){super(t),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__separator"]}})}}class kl{constructor(t,e){kl._observerInstance||kl._createObserver(),this._element=t,this._callback=e,kl._addElementCallback(t,e),kl._observerInstance.observe(t)}destroy(){kl._deleteElementCallback(this._element,this._callback)}static _addElementCallback(t,e){kl._elementCallbacks||(kl._elementCallbacks=new Map);let n=kl._elementCallbacks.get(t);n||(n=new Set,kl._elementCallbacks.set(t,n)),n.add(e)}static _deleteElementCallback(t,e){const n=kl._getElementCallbacks(t);n&&(n.delete(e),n.size||(kl._elementCallbacks.delete(t),kl._observerInstance.unobserve(t))),kl._elementCallbacks&&!kl._elementCallbacks.size&&(kl._observerInstance=null,kl._elementCallbacks=null)}static _getElementCallbacks(t){return kl._elementCallbacks?kl._elementCallbacks.get(t):null}static _createObserver(){let t;t="function"==typeof Xi.window.ResizeObserver?Xi.window.ResizeObserver:_l,kl._observerInstance=new t(t=>{for(const e of t){const t=kl._getElementCallbacks(e.target);if(t)for(const n of t)n(e)}})}}kl._observerInstance=null,kl._elementCallbacks=null;class _l{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(Xi.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),n=this._previousRects.get(t),o=!n||!n.isEqual(e);return this._previousRects.set(t,e),o}}yn(_l,cr);class vl 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()}}}n(23);function yl({element:t,target:e,positions:n,limiter:o,fitInViewport:i}){z(e)&&(e=e()),z(o)&&(o=o());const r=function(t){for(;t&&"html"!=t.tagName.toLowerCase();){if("static"!=Xi.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(o||i){const t=o&&new Zr(o).getVisible(),e=i&&new Zr(Xi.window);[l,c]=function(t,e,n,o,i){let r,s,a=0,c=0;const l=n.getArea();return t.some(t=>{const[d,u]=xl(t,e,n);let h,f;if(o)if(i){const t=o.getIntersection(i);h=t?t.getIntersectionArea(u):0}else h=o.getIntersectionArea(u);function m(){c=f,a=h,r=u,s=d}return i&&(f=i.getIntersectionArea(u)),i&&!o?f>c&&m():!i&&o?h>a&&m():(f>c&&h>=a||f>=c&&h>a)&&m(),h===l}),r?[s,r]:null}(n,a,s,t,e)||xl(n[0],a,s)}else[l,c]=xl(n[0],a,s);let{left:d,top:u}=Al(c);if(r){const t=Al(new Zr(r)),e=Kr(r);d-=t.left,u-=t.top,d+=r.scrollLeft,u+=r.scrollTop,d-=e.left,u-=e.top}return{left:d,top:u,name:l}}function xl(t,e,n){const{left:o,top:i,name:r}=t(e,n);return[r,n.clone().moveTo(o,i)]}function Al({left:t,top:e}){const{scrollX:n,scrollY:o}=Xi.window;return{left:t+n,top:e+o}}class Cl extends rl{constructor(t,e,n){super(t);const o=this.bindTemplate;this.buttonView=e,this.panelView=n,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",o.to("class"),o.if("isEnabled","ck-disabled",t=>!t)],id:o.to("id"),"aria-describedby":o.to("ariaDescribedById")},children:[e,n]}),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:n,northWest:o}=Cl.defaultPanelPositions;return"ltr"===this.locale.uiLanguageDirection?[t,e,n,o]:[e,t,o,n]}}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=yl;n(25);class Tl 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})}}n(27);class Pl 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")}]}]})}}n(29);class Sl extends rl{constructor(t){super(t);const e=this.bindTemplate,n=dn();this.set("class"),this.set("labelStyle"),this.set("icon"),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isVisible",!0),this.set("isToggleable",!1),this.set("keystroke"),this.set("label"),this.set("tabindex",-1),this.set("tooltip"),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.set("withKeystroke",!1),this.children=this.createCollection(),this.tooltipView=this._createTooltipView(),this.labelView=this._createLabelView(n),this.iconView=new Tl,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_${n}`,"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 Pl;return t.bind("text").to(this,"_tooltipString"),t.bind("position").to(this,"tooltipPosition"),t}_createLabelView(t){const e=new rl,n=this.bindTemplate;return e.setTemplate({tag:"span",attributes:{class:["ck","ck-button__label"],style:n.to("labelStyle"),id:`ck-editor__aria-label_${t}`},children:[{text:this.bindTemplate.to("label")}]}),e}_createKeystrokeView(){const t=new rl;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__keystroke"]},children:[{text:this.bindTemplate.to("keystroke",t=>wi(t))}]}),t}_getTooltipString(t,e,n){return t?"string"==typeof t?t:(n&&(n=wi(n)),t instanceof Function?t(e,n):`${e}${n?` (${n})`:""}`):""}}class Ml extends Sl{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 Tl;return t.content='<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>',t.extendTemplate({attributes:{class:"ck-dropdown__arrow"}}),t}}n(31);class El extends rl{constructor(){super(),this.items=this.createCollection(),this.focusTracker=new Ec,this.keystrokes=new vc,this._focusCycler=new pl({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 Il 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 Nl extends rl{constructor(t){super(t),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__separator"]}})}}n(33);class Ol extends Sl{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 Rl({emitter:t,activator:e,callback:n,contextElements:o}){t.listenTo(document,"mousedown",(t,{target:i})=>{if(e()){for(const t of o)if(t.contains(i))return;n()}})}n(35),n(37);function Dl(t,e=Ml){const n=new e(t),o=new vl(t),i=new Cl(t,n,o);return n.bind("isEnabled").to(i),n instanceof Ml?n.bind("isOn").to(i,"isOpen"):n.arrowView.bind("isOn").to(i,"isOpen"),function(t){(function(t){t.on("render",()=>{Rl({emitter:t,activator:()=>t.isOpen,callback:()=>{t.isOpen=!1},contextElements:[t.element]})})})(t),function(t){t.on("execute",e=>{e.source instanceof Ol||(t.isOpen=!1)})}(t),function(t){t.keystrokes.set("arrowdown",(e,n)=>{t.isOpen&&(t.panelView.focus(),n())}),t.keystrokes.set("arrowup",(e,n)=>{t.isOpen&&(t.panelView.focusLast(),n())})}(t)}(i),i}function Ll(t,e){const n=t.locale,o=n.t,i=t.toolbarView=new Vl(n);i.set("ariaLabel",o("ca")),t.extendTemplate({attributes:{class:["ck-toolbar-dropdown"]}}),e.map(t=>i.items.add(t)),t.panelView.children.add(i),i.items.delegate("execute").to(t)}function jl(t,e){const n=t.locale,o=t.listView=new El(n);o.items.bindTo(e).using(({type:t,model:e})=>{if("separator"===t)return new Nl(n);if("button"===t||"switchbutton"===t){const o=new Il(n);let i;return i="button"===t?new Sl(n):new Ol(n),i.bind(...Object.keys(e)).to(e),i.delegate("execute").to(o),o.children.add(i),o}}),t.panelView.children.add(o),o.items.delegate("execute").to(t)}n(39);class Vl extends rl{constructor(t,e){super(t);const n=this.bindTemplate,o=this.t;var i;this.options=e||{},this.set("ariaLabel",o("bu")),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 zl(t),this.children=this.createCollection(),this.children.add(this.itemsView),this.focusables=this.createCollection(),this._focusCycler=new pl({focusables:this.focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:["arrowleft","arrowup"],focusNext:["arrowright","arrowdown"]}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar",n.to("class"),n.if("isCompact","ck-toolbar_compact")],role:"toolbar","aria-label":n.to("ariaLabel"),style:{maxWidth:n.to("maxWidth")}},children:this.children,on:{mousedown:(i=this,i.bindTemplate.to(t=>{t.target===i.element&&t.preventDefault()}))}}),this._behavior=this.options.shouldGroupWhenFull?new Fl(this):new Bl(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 wl):e.has(t)?this.items.add(e.create(t)):console.warn(Object(hn.a)("toolbarview-item-unavailable: The requested toolbar item is unavailable."),{name:t})})}}class zl extends rl{constructor(t){super(t),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar__items"]},children:this.children})}}class Bl{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 Fl{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,n)=>{n>this.ungroupedItems.length?this.groupedItems.add(e,n-this.ungroupedItems.length):this.ungroupedItems.add(e,n),this._updateGrouping()}),t.items.on("remove",(t,e,n)=>{n>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,n=new Zr(t.lastChild),o=new Zr(t);if(!this.cachedPadding){const n=Xi.window.getComputedStyle(t),o="ltr"===e?"paddingRight":"paddingLeft";this.cachedPadding=Number.parseInt(n[o])}return"ltr"===e?n.right>o.right-this.cachedPadding:n.left<o.left+this.cachedPadding}_enableGroupingOnResize(){let t;this.resizeObserver=new kl(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 wl),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,n=Dl(t);return n.class="ck-toolbar__grouped-dropdown",n.panelPosition="ltr"===t.uiLanguageDirection?"sw":"se",Ll(n,[]),n.buttonView.set({label:e("bv"),tooltip:!0,icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><circle cx="9.5" cy="4.5" r="1.5"/><circle cx="9.5" cy="10.5" r="1.5"/><circle cx="9.5" cy="16.5" r="1.5"/></svg>'}),n.toolbarView.items.bindTo(this.groupedItems).using(t=>t),n}_updateFocusCycleableItems(){this.viewFocusables.clear(),this.ungroupedItems.map(t=>{this.viewFocusables.add(t)}),this.groupedItems.length&&this.viewFocusables.add(this.groupedItemsDropdown)}}n(41);class Ul extends dl{constructor(t,e,n={}){super(t),this.stickyPanel=new gl(t),this.toolbar=new Vl(t,{shouldGroupWhenFull:n.shouldToolbarGroupWhenFull}),this.editable=new hl(t,e)}render(){super.render(),this.stickyPanel.content.add(this.toolbar),this.top.add(this.stickyPanel),this.main.add(this.editable)}}class Hl extends xc{constructor(t,e){super(e),nn(t)&&(this.sourceElement=t),this.data.processor=new Pc(this.data.viewDocument),this.model.document.createRoot();const n=!this.config.get("toolbar.shouldNotGroupWhenFull"),o=new Ul(this.locale,this.editing.view,{shouldToolbarGroupWhenFull:n});this.ui=new Vc(this,o),function(t){if(!z(t.updateSourceElement))throw new hn.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 n;const o=e.form,i=()=>t.updateSourceElement();z(o.submit)&&(n=o.submit,o.submit=()=>{i(),n.apply(o)}),o.addEventListener("submit",i),t.on("destroy",()=>{o.removeEventListener("submit",i),n&&(o.submit=n)})}}(this)}destroy(){return this.sourceElement&&this.updateSourceElement(),this.ui.destroy(),super.destroy()}static create(t,e={}){return new Promise(n=>{const o=new this(t,e);n(o.initPlugins().then(()=>o.ui.init(nn(t)?t:null)).then(()=>{if(!nn(t)&&e.initialData)throw new hn.b("editor-create-initial-data: The config.initialData option cannot be used together with initial data passed in Editor.create().",null);const n=e.initialData||function(t){return nn(t)?(e=t,e instanceof HTMLTextAreaElement?e.value:e.innerHTML):t;var e}(t);return o.data.init(n)}).then(()=>o.fire("ready")).then(()=>o))})}}yn(Hl,Ac),yn(Hl,Cc);class ql{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",Wl,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(t){this._disableStack.delete(t),0==this._disableStack.size&&(this.off("set:isEnabled",Wl),this.isEnabled=!0)}destroy(){this.stopListening()}static get isContextPlugin(){return!1}}function Wl(t){t.return=!1,t.stop()}yn(ql,Ho);class $l{constructor(t){this.files=function(t){const e=t.files?Array.from(t.files):[],n=t.items?Array.from(t.items):[];if(e.length)return e;return n.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 Yl extends Nr{constructor(t){super(t);const e=this.document;function n(t,n){n.preventDefault();const o=n.dropRange?[n.dropRange]:Array.from(e.selection.getRanges()),i=new cn(e,"clipboardInput");e.fire(i,{dataTransfer:n.dataTransfer,targetRanges:o}),i.stop.called&&n.stopPropagation()}this.domEventType=["paste","copy","cut","drop","dragover"],this.listenTo(e,"paste",n,{priority:"low"}),this.listenTo(e,"drop",n,{priority:"low"})}onDomEvent(t){const e={dataTransfer:new $l(t.clipboardData?t.clipboardData:t.dataTransfer)};"drop"==t.type&&(e.dropRange=function(t,e){const n=e.target.ownerDocument,o=e.clientX,i=e.clientY;let r;n.caretRangeFromPoint&&n.caretRangeFromPoint(o,i)?r=n.caretRangeFromPoint(o,i):e.rangeParent&&(r=n.createRange(),r.setStart(e.rangeParent,e.rangeOffset),r.collapse(!0));return r?t.domConverter.domRangeToView(r):t.document.selection.getFirstRange()}(this.view,t)),this.fire(t.type,t,e)}}const Gl=["figcaption","li"];class Ql extends ql{static get pluginName(){return"Clipboard"}init(){const t=this.editor,e=t.model.document,n=t.editing.view,o=n.document;function i(n,i){const r=i.dataTransfer;i.preventDefault();const s=t.data.toView(t.model.getSelectedContent(e.selection));o.fire("clipboardOutput",{dataTransfer:r,content:s,method:n.name})}this._htmlDataProcessor=new Pc(o),n.addObserver(Yl),this.listenTo(o,"clipboardInput",e=>{t.isReadOnly&&e.stop()},{priority:"highest"}),this.listenTo(o,"clipboardInput",(t,e)=>{const o=e.dataTransfer;let i="";var r;o.getData("text/html")?i=function(t){return t.replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g,(t,e)=>1==e.length?" ":e)}(o.getData("text/html")):o.getData("text/plain")&&((r=(r=o.getData("text/plain")).replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/\n/g,"</p><p>").replace(/^\s/,"&nbsp;").replace(/\s$/,"&nbsp;").replace(/\s\s/g," &nbsp;")).indexOf("</p><p>")>-1&&(r=`<p>${r}</p>`),i=r),i=this._htmlDataProcessor.toView(i),this.fire("inputTransformation",{content:i,dataTransfer:o}),n.scrollToTheSelection()},{priority:"low"}),this.listenTo(this,"inputTransformation",(t,e)=>{if(!e.content.isEmpty){const t=this.editor.data,n=this.editor.model,o=t.toModel(e.content,"$clipboardHolder");if(0==o.childCount)return;n.insertContent(o)}},{priority:"low"}),this.listenTo(o,"copy",i,{priority:"low"}),this.listenTo(o,"cut",(e,n)=>{t.isReadOnly?n.preventDefault():i(e,n)},{priority:"low"}),this.listenTo(o,"clipboardOutput",(n,o)=>{o.content.isEmpty||(o.dataTransfer.setData("text/html",this._htmlDataProcessor.toData(o.content)),o.dataTransfer.setData("text/plain",function t(e){let n="";if(e.is("text")||e.is("textProxy"))n=e.data;else if(e.is("img")&&e.hasAttribute("alt"))n=e.getAttribute("alt");else{let o=null;for(const i of e.getChildren()){const e=t(i);o&&(o.is("containerElement")||i.is("containerElement"))&&(Gl.includes(o.name)||Gl.includes(i.name)?n+="\n":n+="\n\n"),n+=e,o=i}}return n}(o.content))),"cut"==o.method&&t.model.deleteContent(e.selection)},{priority:"low"})}}class Kl{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,n)=>{n?this.forceDisabled("readOnlyMode"):this.clearForceDisabled("readOnlyMode")})}refresh(){this.isEnabled=!0}forceDisabled(t){this._disableStack.add(t),1==this._disableStack.size&&(this.on("set:isEnabled",Jl,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(t){this._disableStack.delete(t),0==this._disableStack.size&&(this.off("set:isEnabled",Jl),this.refresh())}execute(){}destroy(){this.stopListening()}}function Jl(t){t.return=!1,t.stop()}function*Zl(t,e){for(const n of e)n&&t.getAttributeProperties(n[0]).copyOnEnter&&(yield n)}yn(Kl,Ho);class Xl extends Kl{execute(){const t=this.editor.model,e=t.document;t.change(n=>{!function(t,e,n,o){const i=n.isCollapsed,r=n.getFirstRange(),s=r.start.parent,a=r.end.parent;if(o.isLimit(s)||o.isLimit(a))return void(i||s!=a||t.deleteContent(n));if(i){const t=Zl(e.model.schema,n.getAttributes());td(e,r.start),e.setSelectionAttribute(t)}else{const o=!(r.start.isAtStart&&r.end.isAtEnd),i=s==a;t.deleteContent(n,{leaveUnmerged:o}),o&&(i?td(e,n.focus):e.setSelection(a,0))}}(this.editor.model,n,e.selection,t.schema),this.fire("afterExecute",{writer:n})})}}function td(t,e){t.split(e),t.setSelection(e.parent.nextSibling,0)}class ed extends ur{constructor(t){super(t);const e=this.document;e.on("keydown",(t,n)=>{if(this.isEnabled&&n.keyCode==gi.enter){let o;e.once("enter",t=>o=t,{priority:"highest"}),e.fire("enter",new Ir(e,n.domEvent,{isSoft:n.shiftKey})),o&&o.stop.called&&t.stop()}})}observe(){}}class nd extends ql{static get pluginName(){return"Enter"}init(){const t=this.editor,e=t.editing.view,n=e.document;e.addObserver(ed),t.commands.add("enter",new Xl(t)),this.listenTo(n,"enter",(n,o)=>{o.preventDefault(),o.isSoft||(t.execute("enter"),e.scrollToTheSelection())},{priority:"low"})}}class od extends Kl{execute(){const t=this.editor.model,e=t.document;t.change(n=>{!function(t,e,n){const o=n.isCollapsed,i=n.getFirstRange(),r=i.start.parent,s=i.end.parent,a=r==s;if(o){const o=Zl(t.schema,n.getAttributes());id(t,e,i.end),e.removeSelectionAttribute(n.getAttributeKeys()),e.setSelectionAttribute(o)}else{const o=!(i.start.isAtStart&&i.end.isAtEnd);t.deleteContent(n,{leaveUnmerged:o}),a?id(t,e,n.focus):o&&e.setSelection(s,0)}}(t,n,e.selection),this.fire("afterExecute",{writer:n})})}refresh(){const t=this.editor.model,e=t.document;this.isEnabled=function(t,e){if(e.rangeCount>1)return!1;const n=e.anchor;if(!n||!t.checkChild(n,"softBreak"))return!1;const o=e.getFirstRange(),i=o.start.parent,r=o.end.parent;if((rd(i,t)||rd(r,t))&&i!==r)return!1;return!0}(t.schema,e.selection)}}function id(t,e,n){const o=e.createElement("softBreak");t.insertContent(o,n),e.setSelection(o,"after")}function rd(t,e){return!t.is("rootElement")&&(e.isLimit(t)||rd(t.parent,e))}class sd extends ql{static get pluginName(){return"ShiftEnter"}init(){const t=this.editor,e=t.model.schema,n=t.conversion,o=t.editing.view,i=o.document;e.register("softBreak",{allowWhere:"$text",isInline:!0}),n.for("upcast").elementToElement({model:"softBreak",view:"br"}),n.for("downcast").elementToElement({model:"softBreak",view:(t,e)=>e.createEmptyElement("br")}),o.addObserver(ed),t.commands.add("shiftEnter",new od(t)),this.listenTo(i,"enter",(e,n)=>{n.preventDefault(),n.isSoft&&(t.execute("shiftEnter"),o.scrollToTheSelection())},{priority:"low"})}}class ad{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 cd extends Kl{constructor(t,e){super(t),this._buffer=new ad(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,n=e.document,o=t.text||"",i=o.length,r=t.range?e.createSelection(t.range):n.selection,s=t.resultRange;e.enqueueChange(this._buffer.batch,t=>{this._buffer.lock(),e.deleteContent(r),o&&e.insertContent(t.createText(o,n.selection.getAttributes()),r),s?t.setSelection(s):r.is("documentSelection")||t.setSelection(r),this._buffer.unlock(),this._buffer.input(i),this._batches.add(this._buffer.batch)})}}function ld(t){let e=null;const n=t.model,o=t.editing.view,i=t.commands.get("input");function r(t){const r=n.document,a=o.document.isComposing,c=e&&e.isEqual(r.selection);e=null,i.isEnabled&&(function(t){if(t.ctrlKey)return!0;return dd.includes(t.keyCode)}(t)||r.selection.isCollapsed||a&&229===t.keyCode||!a&&229===t.keyCode&&c||s())}function s(){const t=i.buffer;t.lock(),n.enqueueChange(t.batch,()=>{n.deleteContent(n.document.selection)}),t.unlock()}hi.isAndroid?o.document.on("beforeinput",(t,e)=>r(e),{priority:"lowest"}):o.document.on("keydown",(t,e)=>r(e),{priority:"lowest"}),o.document.on("compositionstart",(function(){const t=n.document,e=1!==t.selection.rangeCount||t.selection.getFirstRange().isFlat;if(t.selection.isCollapsed||e)return;s()}),{priority:"lowest"}),o.document.on("compositionend",()=>{e=n.createSelection(n.document.selection)},{priority:"lowest"})}const dd=[pi("arrowUp"),pi("arrowRight"),pi("arrowDown"),pi("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++)dd.push(t);function ud(t){if(t.newChildren.length-t.oldChildren.length!=1)return;const e=function(t,e){const n=[];let o,i=0;return t.forEach(t=>{"equal"==t?(r(),i++):"insert"==t?(s("insert")?o.values.push(e[i]):(r(),o={type:"insert",index:i,values:[e[i]]}),i++):s("delete")?o.howMany++:(r(),o={type:"delete",index:i,howMany:1})}),r(),n;function r(){o&&(n.push(o),o=null)}function s(t){return o&&o.type==t}}(Wi(t.oldChildren,t.newChildren,hd),t.newChildren);if(e.length>1)return;const n=e[0];return n.values[0]&&n.values[0].is("text")?n:void 0}function hd(t,e){return t&&t.is("text")&&e&&e.is("text")?t.data===e.data:t===e}class fd{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&&!ud(e))return!0;return!1}(t))this._handleContainerChildrenMutations(t,e);else for(const n of t)this._handleTextMutation(n,e),this._handleTextNodeInsertion(n)}_handleContainerChildrenMutations(t,e){const n=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(!n)return;const o=this.editor.editing.view.domConverter.mapViewToDom(n),i=new or(this.editor.editing.view.document),r=this.editor.data.toModel(i.domToView(o)).getChild(0),s=this.editor.editing.mapper.toModelElement(n);if(!s)return;const a=Array.from(r.getChildren()),c=Array.from(s.getChildren()),l=a[a.length-1],d=c[c.length-1];l&&l.is("softBreak")&&d&&!d.is("softBreak")&&a.pop();const u=this.editor.model.schema;if(!md(a,u)||!md(c,u))return;const h=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===h)return;const m=Wi(f,h),{firstChangeAt:g,insertions:p,deletions:b}=gd(m);let w=null;e&&(w=this.editing.mapper.toModelRange(e.getFirstRange()));const k=h.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 n=t.newText.replace(/\u00A0/g," "),o=t.oldText.replace(/\u00A0/g," ");if(o===n)return;const i=Wi(o,n),{firstChangeAt:r,insertions:s,deletions:a}=gd(i);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),u=this.editor.model.createRange(d,d.getShiftedBy(a)),h=n.substr(r,s);this.editor.execute("input",{text:h,range:u,resultRange:c})}_handleTextNodeInsertion(t){if("children"!=t.type)return;const e=ud(t),n=this.editing.view.createPositionAt(t.node,e.index),o=this.editing.mapper.toModelPosition(n),i=e.values[0].data;this.editor.execute("input",{text:i.replace(/\u00A0/g," "),range:this.editor.model.createRange(o)})}}function md(t,e){return t.every(t=>e.isInline(t))}function gd(t){let e=null,n=null;for(let o=0;o<t.length;o++){"equal"!=t[o]&&(e=null===e?o:e,n=o)}let o=0,i=0;for(let r=e;r<=n;r++)"insert"!=t[r]&&o++,"delete"!=t[r]&&i++;return{insertions:i,deletions:o,firstChangeAt:e}}class pd extends ql{static get pluginName(){return"Input"}init(){const t=this.editor,e=new cd(t,t.config.get("typing.undoStep")||20);t.commands.add("input",e),ld(t),function(t){t.editing.view.document.on("mutations",(e,n,o)=>{new fd(t).handle(n,o)})}(t)}isInput(t){return this.editor.commands.get("input")._batches.has(t)}}class bd extends Kl{constructor(t,e){super(t),this.direction=e,this._buffer=new ad(t.model,t.config.get("typing.undoStep"))}get buffer(){return this._buffer}execute(t={}){const e=this.editor.model,n=e.document;e.enqueueChange(this._buffer.batch,o=>{this._buffer.lock();const i=o.createSelection(t.selection||n.selection),r=i.isCollapsed;if(i.isCollapsed&&e.modifySelection(i,{direction:this.direction,unit:t.unit}),this._shouldEntireContentBeReplacedWithParagraph(t.sequence||1))return void this._replaceEntireContentWithParagraph(o);if(i.isCollapsed)return;let s=0;i.getFirstRange().getMinimalFlatRanges().forEach(t=>{s+=ni(t.getWalker({singleCharacters:!0,ignoreElementEnd:!0,shallow:!0}))}),e.deleteContent(i,{doNotResetEntireContent:r,direction:this.direction}),this._buffer.input(s),o.setSelection(i),this._buffer.unlock()})}_shouldEntireContentBeReplacedWithParagraph(t){if(t>1)return!1;const e=this.editor.model,n=e.document.selection,o=e.schema.getLimitElement(n);if(!(n.isCollapsed&&n.containsEntireContent(o)))return!1;if(!e.schema.checkChild(o,"paragraph"))return!1;const i=o.getChild(0);return!i||"paragraph"!==i.name}_replaceEntireContentWithParagraph(t){const e=this.editor.model,n=e.document.selection,o=e.schema.getLimitElement(n),i=t.createElement("paragraph");t.remove(t.createRangeIn(o)),t.insert(i,o),t.setSelection(i,0)}}class wd extends ur{constructor(t){super(t);const e=t.document;let n=0;function o(t,n,o){let i;e.once("delete",t=>i=t,{priority:Number.POSITIVE_INFINITY}),e.fire("delete",new Ir(e,n,o)),i&&i.stop.called&&t.stop()}e.on("keyup",(t,e)=>{e.keyCode!=gi.delete&&e.keyCode!=gi.backspace||(n=0)}),e.on("keydown",(t,e)=>{const i={};if(e.keyCode==gi.delete)i.direction="forward",i.unit="character";else{if(e.keyCode!=gi.backspace)return;i.direction="backward",i.unit="codePoint"}const r=hi.isMac?e.altKey:e.ctrlKey;i.unit=r?"word":i.unit,i.sequence=++n,o(t,e.domEvent,i)}),hi.isAndroid&&e.on("beforeinput",(e,n)=>{if("deleteContentBackward"!=n.domEvent.inputType)return;const i={unit:"codepoint",direction:"backward",sequence:1},r=n.domTarget.ownerDocument.defaultView.getSelection();r.anchorNode==r.focusNode&&r.anchorOffset+1!=r.focusOffset&&(i.selectionToRemove=t.domConverter.domSelectionToView(r)),o(e,n.domEvent,i)})}observe(){}}class kd extends ql{static get pluginName(){return"Delete"}init(){const t=this.editor,e=t.editing.view,n=e.document;if(e.addObserver(wd),t.commands.add("forwardDelete",new bd(t,"forward")),t.commands.add("delete",new bd(t,"backward")),this.listenTo(n,"delete",(n,o)=>{const i={unit:o.unit,sequence:o.sequence};if(o.selectionToRemove){const e=t.model.createSelection(),n=[];for(const e of o.selectionToRemove.getRanges())n.push(t.editing.mapper.toModelRange(e));e.setTo(n),i.selection=e}t.execute("forward"==o.direction?"forwardDelete":"delete",i),o.preventDefault(),e.scrollToTheSelection()}),hi.isAndroid){let t=null;this.listenTo(n,"delete",(e,n)=>{const o=n.domTarget.ownerDocument.defaultView.getSelection();t={anchorNode:o.anchorNode,anchorOffset:o.anchorOffset,focusNode:o.focusNode,focusOffset:o.focusOffset}},{priority:"lowest"}),this.listenTo(n,"keyup",(e,n)=>{if(t){const e=n.domTarget.ownerDocument.defaultView.getSelection();e.collapse(t.anchorNode,t.anchorOffset),e.extend(t.focusNode,t.focusOffset),t=null}})}}}class _d extends ql{static get requires(){return[pd,kd]}static get pluginName(){return"Typing"}}const vd=new Map;function yd(t,e,n){let o=vd.get(t);o||(o=new Map,vd.set(t,o)),o.set(e,n)}function xd(t){return[t]}function Ad(t,e,n={}){const o=function(t,e){const n=vd.get(t);return n&&n.has(e)?n.get(e):xd}(t.constructor,e.constructor);try{return o(t=t.clone(),e,n)}catch(t){throw t}}function Cd(t,e,n){t=t.slice(),e=e.slice();const o=new Td(n.document,n.useRelations,n.forceWeakRemove);o.setOriginalOperations(t),o.setOriginalOperations(e);const i=o.originalOperations;if(0==t.length||0==e.length)return{operationsA:t,operationsB:e,originalOperations:i};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 n=t[a],i=r.get(n);if(i==e.length){a++;continue}const s=e[i],c=Ad(n,s,o.getContext(n,s,!0)),l=Ad(s,n,o.getContext(s,n,!1));o.updateRelation(n,s),o.setOriginalOperations(c,n),o.setOriginalOperations(l,s);for(const t of c)r.set(t,i+l.length);t.splice(a,1,...c),e.splice(i,1,...l)}if(n.padWithNoOps){const n=t.length-s.originalOperationsACount,o=e.length-s.originalOperationsBCount;Sd(t,o-n),Sd(e,n-o)}return Pd(t,s.nextBaseVersionB),Pd(e,s.nextBaseVersionA),{operationsA:t,operationsB:e,originalOperations:i}}class Td{constructor(t,e,n=!1){this.originalOperations=new Map,this._history=t.history,this._useRelations=e,this._forceWeakRemove=!!n,this._relations=new Map}setOriginalOperations(t,e=null){const n=e?this.originalOperations.get(e):null;for(const e of t)this.originalOperations.set(e,n||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 n=t.newRange;if(!n)return;switch(e.constructor){case Ia:{const o=_s._createFromPositionAndShift(e.sourcePosition,e.howMany),i=o.containsPosition(n.start)||o.start.isEqual(n.start),r=o.containsPosition(n.end)||o.end.isEqual(n.end);!i&&!r||o.containsRange(n)||this._setRelation(t,e,{side:i?"left":"right",path:i?n.start.path.slice():n.end.path.slice()});break}case La:{const o=n.start.isEqual(e.targetPosition),i=n.start.isEqual(e.deletionPosition),r=n.end.isEqual(e.deletionPosition),s=n.end.isEqual(e.sourcePosition);(o||i||r||s)&&this._setRelation(t,e,{wasInLeftElement:o,wasStartBeforeMergedElement:i,wasEndBeforeMergedElement:r,wasInRightElement:s});break}}break}}}getContext(t,e,n){return{aIsStrong:n,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 n=this.originalOperations.get(e),o=this._history.getUndoneOperation(n);if(!o)return null;const i=this.originalOperations.get(t),r=this._relations.get(i);return r&&r.get(o)||null}_setRelation(t,e,n){const o=this.originalOperations.get(t),i=this.originalOperations.get(e);let r=this._relations.get(o);r||(r=new Map,this._relations.set(o,r)),r.set(i,n)}}function Pd(t,e){for(const n of t)n.baseVersion=e++}function Sd(t,e){for(let n=0;n<e;n++)t.push(new nc(0))}function Md(t,e,n){const o=t.nodes.getNode(0).getAttribute(e);if(o==n)return null;const i=new _s(t.position,t.position.getShiftedBy(t.howMany));return new Ma(i,e,o,n,0)}function Ed(t,e){return null===t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany)}function Id(t,e){const n=[];for(let o=0;o<t.length;o++){const i=t[o],r=new Ia(i.start,i.end.offset-i.start.offset,e,0);n.push(r);for(let e=o+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 n}yd(Ma,Ma,(t,e,n)=>{if(t.key===e.key){const o=t.range.getDifference(e.range).map(e=>new Ma(e,t.key,t.oldValue,t.newValue,0)),i=t.range.getIntersection(e.range);return i&&n.aIsStrong&&o.push(new Ma(i,e.key,e.newValue,t.newValue,0)),0==o.length?[new nc(0)]:o}return[t]}),yd(Ma,Na,(t,e)=>{if(t.range.start.hasSameParentAs(e.position)&&t.range.containsPosition(e.position)){const n=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 o=Md(e,t.key,t.oldValue);o&&n.unshift(o)}return n}return t.range=t.range._getTransformedByInsertion(e.position,e.howMany,!1)[0],[t]}),yd(Ma,La,(t,e)=>{const n=[];t.range.start.hasSameParentAs(e.deletionPosition)&&(t.range.containsPosition(e.deletionPosition)||t.range.start.isEqual(e.deletionPosition))&&n.push(_s._createFromPositionAndShift(e.graveyardPosition,1));const o=t.range._getTransformedByMergeOperation(e);return o.isCollapsed||n.push(o),n.map(e=>new Ma(e,t.key,t.oldValue,t.newValue,t.baseVersion))}),yd(Ma,Ia,(t,e)=>function(t,e){const n=_s._createFromPositionAndShift(e.sourcePosition,e.howMany);let o=null,i=[];n.containsRange(t,!0)?o=t:t.start.hasSameParentAs(n.start)?(i=t.getDifference(n),o=t.getIntersection(n)):i=[t];const r=[];for(let t of i){t=t._getTransformedByDeletion(e.sourcePosition,e.howMany);const n=e.getMovedRangeStart(),o=t.start.hasSameParentAs(n);t=t._getTransformedByInsertion(n,e.howMany,o),r.push(...t)}o&&r.push(o._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))),yd(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 n=t.clone();return n.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,n]}return t.range=t.range._getTransformedBySplitOperation(e),[t]}),yd(Na,Ma,(t,e)=>{const n=[t];if(t.shouldReceiveAttributes&&t.position.hasSameParentAs(e.range.start)&&e.range.containsPosition(t.position)){const o=Md(t,e.key,e.newValue);o&&n.push(o)}return n}),yd(Na,Na,(t,e,n)=>(t.position.isEqual(e.position)&&n.aIsStrong||(t.position=t.position._getTransformedByInsertOperation(e)),[t])),yd(Na,Ia,(t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t])),yd(Na,ja,(t,e)=>(t.position=t.position._getTransformedBySplitOperation(e),[t])),yd(Na,La,(t,e)=>(t.position=t.position._getTransformedByMergeOperation(e),[t])),yd(Oa,Na,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByInsertOperation(e)[0]),t.newRange&&(t.newRange=t.newRange._getTransformedByInsertOperation(e)[0]),[t])),yd(Oa,Oa,(t,e,n)=>{if(t.name==e.name){if(!n.aIsStrong)return[new nc(0)];t.oldRange=e.newRange?e.newRange.clone():null}return[t]}),yd(Oa,La,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByMergeOperation(e)),t.newRange&&(t.newRange=t.newRange._getTransformedByMergeOperation(e)),[t])),yd(Oa,Ia,(t,e,n)=>{if(t.oldRange&&(t.oldRange=_s._createFromRanges(t.oldRange._getTransformedByMoveOperation(e))),t.newRange){if(n.abRelation){const o=_s._createFromRanges(t.newRange._getTransformedByMoveOperation(e));if("left"==n.abRelation.side&&e.targetPosition.isEqual(t.newRange.start))return t.newRange.start.path=n.abRelation.path,t.newRange.end=o.end,[t];if("right"==n.abRelation.side&&e.targetPosition.isEqual(t.newRange.end))return t.newRange.start=o.start,t.newRange.end.path=n.abRelation.path,[t]}t.newRange=_s._createFromRanges(t.newRange._getTransformedByMoveOperation(e))}return[t]}),yd(Oa,ja,(t,e,n)=>{if(t.oldRange&&(t.oldRange=t.oldRange._getTransformedBySplitOperation(e)),t.newRange){if(n.abRelation){const o=t.newRange._getTransformedBySplitOperation(e);return t.newRange.start.isEqual(e.splitPosition)&&n.abRelation.wasStartBeforeMergedElement?t.newRange.start=ks._createAt(e.insertionPosition):t.newRange.start.isEqual(e.splitPosition)&&!n.abRelation.wasInLeftElement&&(t.newRange.start=ks._createAt(e.moveTargetPosition)),t.newRange.end.isEqual(e.splitPosition)&&n.abRelation.wasInRightElement?t.newRange.end=ks._createAt(e.moveTargetPosition):t.newRange.end.isEqual(e.splitPosition)&&n.abRelation.wasEndBeforeMergedElement?t.newRange.end=ks._createAt(e.insertionPosition):t.newRange.end=o.end,[t]}t.newRange=t.newRange._getTransformedBySplitOperation(e)}return[t]}),yd(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])),yd(La,La,(t,e,n)=>{if(t.sourcePosition.isEqual(e.sourcePosition)&&t.targetPosition.isEqual(e.targetPosition)){if(n.bWasUndone){const n=e.graveyardPosition.path.slice();return n.push(0),t.sourcePosition=new ks(e.graveyardPosition.root,n),t.howMany=0,[t]}return[new nc(0)]}if(t.sourcePosition.isEqual(e.sourcePosition)&&!t.targetPosition.isEqual(e.targetPosition)&&!n.bWasUndone&&"splitAtSource"!=n.abRelation){const o="$graveyard"==t.targetPosition.root.rootName,i="$graveyard"==e.targetPosition.root.rootName,r=o&&!i;if(i&&!o||!r&&n.aIsStrong){const n=e.targetPosition._getTransformedByMergeOperation(e),o=t.targetPosition._getTransformedByMergeOperation(e);return[new Ia(n,t.howMany,o,0)]}return[new nc(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)&&n.aIsStrong||(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]}),yd(La,Ia,(t,e,n)=>{const o=_s._createFromPositionAndShift(e.sourcePosition,e.howMany);return"remove"==e.type&&!n.bWasUndone&&!n.forceWeakRemove&&t.deletionPosition.hasSameParentAs(e.sourcePosition)&&o.containsPosition(t.sourcePosition)?[new nc(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])}),yd(La,ja,(t,e,n)=>{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 o=0!=e.howMany,i=e.graveyardPosition&&t.deletionPosition.isEqual(e.graveyardPosition);if(o||i||"mergeTargetNotMoved"==n.abRelation)return t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e),[t]}if(t.sourcePosition.isEqual(e.splitPosition)){if("mergeSourceNotMoved"==n.abRelation)return t.howMany=0,t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t];if("mergeSameElement"==n.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]}),yd(Ia,Na,(t,e)=>{const n=_s._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByInsertOperation(e,!1)[0];return t.sourcePosition=n.start,t.howMany=n.end.offset-n.start.offset,t.targetPosition.isEqual(e.position)||(t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e)),[t]}),yd(Ia,Ia,(t,e,n)=>{const o=_s._createFromPositionAndShift(t.sourcePosition,t.howMany),i=_s._createFromPositionAndShift(e.sourcePosition,e.howMany);let r,s=n.aIsStrong,a=!n.aIsStrong;if("insertBefore"==n.abRelation||"insertAfter"==n.baRelation?a=!0:"insertAfter"!=n.abRelation&&"insertBefore"!=n.baRelation||(a=!1),r=t.targetPosition.isEqual(e.targetPosition)&&a?t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany):t.targetPosition._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),Ed(t,e)&&Ed(e,t))return[e.getReversed()];if(o.containsPosition(e.targetPosition)&&o.containsRange(i,!0))return o.start=o.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),o.end=o.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),Id([o],r);if(i.containsPosition(t.targetPosition)&&i.containsRange(o,!0))return o.start=o.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),o.end=o.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),Id([o],r);const c=En(t.sourcePosition.getParentPath(),e.sourcePosition.getParentPath());if("prefix"==c||"extension"==c)return o.start=o.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),o.end=o.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),Id([o],r);"remove"!=t.type||"remove"==e.type||n.aWasUndone||n.forceWeakRemove?"remove"==t.type||"remove"!=e.type||n.bWasUndone||n.forceWeakRemove||(s=!1):s=!0;const l=[],d=o.getDifference(i);for(const t of d){t.start=t.start._getTransformedByDeletion(e.sourcePosition,e.howMany),t.end=t.end._getTransformedByDeletion(e.sourcePosition,e.howMany);const n="same"==En(t.start.getParentPath(),e.getMovedRangeStart().getParentPath()),o=t._getTransformedByInsertion(e.getMovedRangeStart(),e.howMany,n);l.push(...o)}const u=o.getIntersection(i);return null!==u&&s&&(u.start=u.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),u.end=u.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),0===l.length?l.push(u):1==l.length?i.start.isBefore(o.start)||i.start.isEqual(o.start)?l.unshift(u):l.push(u):l.splice(1,0,u)),0===l.length?[new nc(t.baseVersion)]:Id(l,r)}),yd(Ia,ja,(t,e,n)=>{let o=t.targetPosition.clone();t.targetPosition.isEqual(e.insertionPosition)&&e.graveyardPosition&&"moveTargetAfter"!=n.abRelation||(o=t.targetPosition._getTransformedBySplitOperation(e));const i=_s._createFromPositionAndShift(t.sourcePosition,t.howMany);if(i.end.isEqual(e.insertionPosition))return e.graveyardPosition||t.howMany++,t.targetPosition=o,[t];if(i.start.hasSameParentAs(e.splitPosition)&&i.containsPosition(e.splitPosition)){let t=new _s(e.splitPosition,i.end);return t=t._getTransformedBySplitOperation(e),Id([new _s(i.start,e.splitPosition),t],o)}t.targetPosition.isEqual(e.splitPosition)&&"insertAtSource"==n.abRelation&&(o=e.moveTargetPosition),t.targetPosition.isEqual(e.insertionPosition)&&"insertBetween"==n.abRelation&&(o=t.targetPosition);const r=[i._getTransformedBySplitOperation(e)];if(e.graveyardPosition){const o=i.start.isEqual(e.graveyardPosition)||i.containsPosition(e.graveyardPosition);t.howMany>1&&o&&!n.aWasUndone&&r.push(_s._createFromPositionAndShift(e.insertionPosition,1))}return Id(r,o)}),yd(Ia,La,(t,e,n)=>{const o=_s._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.deletionPosition.hasSameParentAs(t.sourcePosition)&&o.containsPosition(e.sourcePosition))if("remove"!=t.type||n.forceWeakRemove){if(1==t.howMany)return n.bWasUndone?(t.sourcePosition=e.graveyardPosition.clone(),t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]):[new nc(0)]}else if(!n.aWasUndone){const n=[];let o=e.graveyardPosition.clone(),i=e.targetPosition._getTransformedByMergeOperation(e);t.howMany>1&&(n.push(new Ia(t.sourcePosition,t.howMany-1,t.targetPosition,0)),o=o._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1),i=i._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1));const r=e.deletionPosition._getCombined(t.sourcePosition,t.targetPosition),s=new Ia(o,1,r,0),a=s.getMovedRangeStart().path.slice();a.push(0);const c=new ks(s.targetPosition.root,a);i=i._getTransformedByMove(o,r,1);const l=new Ia(i,e.howMany,c,0);return n.push(s),n.push(l),n}const i=_s._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByMergeOperation(e);return t.sourcePosition=i.start,t.howMany=i.end.offset-i.start.offset,t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]}),yd(Ra,Na,(t,e)=>(t.position=t.position._getTransformedByInsertOperation(e),[t])),yd(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])),yd(Ra,Ia,(t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t])),yd(Ra,Ra,(t,e,n)=>{if(t.position.isEqual(e.position)){if(!n.aIsStrong)return[new nc(0)];t.oldName=e.newName}return[t]}),yd(Ra,ja,(t,e)=>{if("same"==En(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]}),yd(Da,Da,(t,e,n)=>{if(t.root===e.root&&t.key===e.key){if(!n.aIsStrong||t.newValue===e.newValue)return[new nc(0)];t.oldValue=e.newValue}return[t]}),yd(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])),yd(ja,La,(t,e,n)=>{if(!t.graveyardPosition&&!n.bWasUndone&&t.splitPosition.hasSameParentAs(e.sourcePosition)){const n=e.graveyardPosition.path.slice();n.push(0);const o=new ks(e.graveyardPosition.root,n),i=ja.getInsertionPosition(new ks(e.graveyardPosition.root,n)),r=new ja(o,0,null,0);return r.insertionPosition=i,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]}),yd(ja,Ia,(t,e,n)=>{const o=_s._createFromPositionAndShift(e.sourcePosition,e.howMany);if(t.graveyardPosition){const i=o.start.isEqual(t.graveyardPosition)||o.containsPosition(t.graveyardPosition);if(!n.bWasUndone&&i){const n=t.splitPosition._getTransformedByMoveOperation(e),o=t.graveyardPosition._getTransformedByMoveOperation(e),i=o.path.slice();i.push(0);const r=new ks(o.root,i);return[new Ia(n,t.howMany,r,0)]}t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)}if(t.splitPosition.hasSameParentAs(e.sourcePosition)&&o.containsPosition(t.splitPosition)){const n=e.howMany-(t.splitPosition.offset-e.sourcePosition.offset);return t.howMany-=n,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"!=n.baRelation&&"splitBefore"!=n.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])}),yd(ja,ja,(t,e,n)=>{if(t.splitPosition.isEqual(e.splitPosition)){if(!t.graveyardPosition&&!e.graveyardPosition)return[new nc(0)];if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition))return[new nc(0)];if("splitBefore"==n.abRelation)return t.howMany=0,t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e),[t]}if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition)){const o="$graveyard"==t.splitPosition.root.rootName,i="$graveyard"==e.splitPosition.root.rootName,r=o&&!i;if(i&&!o||!r&&n.aIsStrong){const n=[];return e.howMany&&n.push(new Ia(e.moveTargetPosition,e.howMany,e.splitPosition,0)),t.howMany&&n.push(new Ia(t.splitPosition,t.howMany,t.moveTargetPosition,0)),n}return[new nc(0)]}if(t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e)),t.splitPosition.isEqual(e.insertionPosition)&&"splitBefore"==n.abRelation)return t.howMany++,[t];if(e.splitPosition.isEqual(t.insertionPosition)&&"splitBefore"==n.baRelation){const n=e.insertionPosition.path.slice();n.push(0);const o=new ks(e.insertionPosition.root,n);return[t,new Ia(t.insertionPosition,1,o,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 Nd extends Kl{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,n={ranges:e.hasOwnRange?Array.from(e.getRanges()):[],isBackward:e.isBackward};this._stack.push({batch:t,selection:n}),this.refresh()}clearStack(){this._stack=[],this.refresh()}_restoreSelection(t,e,n){const o=this.editor.model,i=o.document,r=[];for(const e of t){const t=Od(e,n).find(t=>t.start.root!=i.graveyard);t&&r.push(t)}r.length&&o.change(t=>{t.setSelection(r,{backward:e})})}_undo(t,e){const n=this.editor.model,o=n.document;this._createdBatches.add(e);const i=t.operations.slice().filter(t=>t.isDocumentOperation);i.reverse();for(const t of i){const i=t.baseVersion+1,r=Array.from(o.history.getOperations(i)),s=Cd([t.getReversed()],r,{useRelations:!0,document:this.editor.model.document,padWithNoOps:!1,forceWeakRemove:!0}).operationsA;for(const i of s)e.addOperation(i),n.applyOperation(i),o.history.setOperationAsUndone(t,i)}}}function Od(t,e){const n=t.getTransformedByOperations(e);n.sort((t,e)=>t.start.isBefore(e.start)?-1:1);for(let t=1;t<n.length;t++){const e=n[t-1],o=n[t];e.end.isTouching(o.start)&&(e.end=o.end,n.splice(t,1),t--)}return n}class Rd extends Nd{execute(t=null){const e=t?this._stack.findIndex(e=>e.batch==t):this._stack.length-1,n=this._stack.splice(e,1)[0],o=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(o,()=>{this._undo(n.batch,o);const t=this.editor.model.document.history.getOperations(n.batch.baseVersion);this._restoreSelection(n.selection.ranges,n.selection.isBackward,t),this.fire("revert",n.batch,o)}),this.refresh()}}class Dd extends Nd{execute(){const t=this._stack.pop(),e=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(e,()=>{const n=t.batch.operations[t.batch.operations.length-1].baseVersion+1,o=this.editor.model.document.history.getOperations(n);this._restoreSelection(t.selection.ranges,t.selection.isBackward,o),this._undo(t.batch,e)}),this.refresh()}}class Ld extends ql{static get pluginName(){return"UndoEditing"}constructor(t){super(t),this._batchRegistry=new WeakSet}init(){const t=this.editor;this._undoCommand=new Rd(t),this._redoCommand=new Dd(t),t.commands.add("undo",this._undoCommand),t.commands.add("redo",this._redoCommand),this.listenTo(t.model,"applyOperation",(t,e)=>{const n=e[0];if(!n.isDocumentOperation)return;const o=n.batch,i=this._redoCommand._createdBatches.has(o),r=this._undoCommand._createdBatches.has(o);this._batchRegistry.has(o)||"transparent"==o.type&&!i&&!r||(i?this._undoCommand.addBatch(o):r||(this._undoCommand.addBatch(o),this._redoCommand.clearStack()),this._batchRegistry.add(o))},{priority:"highest"}),this.listenTo(this._undoCommand,"revert",(t,e,n)=>{this._redoCommand.addBatch(n)}),t.keystrokes.set("CTRL+Z","undo"),t.keystrokes.set("CTRL+Y","redo"),t.keystrokes.set("CTRL+SHIFT+Z","redo")}}var jd='<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>',Vd='<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 zd extends ql{init(){const t=this.editor,e=t.locale,n=t.t,o="ltr"==e.uiLanguageDirection?jd:Vd,i="ltr"==e.uiLanguageDirection?Vd:jd;this._addButton("undo",n("cr"),"CTRL+Z",o),this._addButton("redo",n("cs"),"CTRL+Y",i)}_addButton(t,e,n,o){const i=this.editor;i.ui.componentFactory.add(t,r=>{const s=i.commands.get(t),a=new Sl(r);return a.set({label:e,icon:o,keystroke:n,tooltip:!0}),a.bind("isEnabled").to(s,"isEnabled"),this.listenTo(a,"execute",()=>{i.execute(t),i.editing.view.focus()}),a})}}class Bd extends ql{static get requires(){return[Ld,zd]}static get pluginName(){return"Undo"}}class Fd{constructor(t){this.context=t}destroy(){this.stopListening()}static get isContextPlugin(){return!0}}yn(Fd,Ho);class Ud extends Fd{static get pluginName(){return"PendingActions"}init(){this.set("hasAny",!1),this._actions=new xn({idProperty:"_id"}),this._actions.delegate("add","remove").to(this)}add(t){if("string"!=typeof t)throw new hn.b("pendingactions-add-invalid-message: The message must be a string.",this);const e=Object.create(Ho);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 Hd{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((n,o)=>{e.onload=()=>{const t=e.result;this._data=t,n(t)},e.onerror=()=>{o("error")},e.onabort=()=>{o("aborted")},this._reader.readAsDataURL(t)})}abort(){this._reader.abort()}}yn(Hd,Ho);class qd extends ql{static get pluginName(){return"FileRepository"}static get requires(){return[Ud]}init(){this.loaders=new xn,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(hn.a)("filerepository-no-upload-adapter: Upload adapter is not defined.")),null;const e=new Wd(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 Wd?t:this.getLoader(t);e._destroy(),this.loaders.remove(e),this._loadersMap.forEach((t,n)=>{t===e&&this._loadersMap.delete(n)})}_updatePendingAction(){const t=this.editor.plugins.get(Ud);if(this.loaders.length){if(!this._pendingAction){const e=this.editor.t,n=t=>`${e("bb")} ${parseInt(t)}%.`;this._pendingAction=t.add(n(this.uploadedPercent)),this._pendingAction.bind("message").to(this,"uploadedPercent",n)}}else t.remove(this._pendingAction),this._pendingAction=null}}yn(qd,Ho);class Wd{constructor(t,e){this.id=dn(),this._filePromiseWrapper=this._createFilePromiseWrapper(t),this._adapter=e(this),this._reader=new Hd,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 hn.b("filerepository-read-wrong-status: You cannot call read if the status is different than idle.",this);return this.status="reading",this.file.then(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 hn.b("filerepository-upload-wrong-status: You cannot call upload if the status is different than idle.",this);return this.status="uploading",this.file.then(()=>this._adapter.upload()).then(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((n,o)=>{e.rejecter=o,e.isFulfilled=!1,t.then(t=>{e.isFulfilled=!0,n(t)}).catch(t=>{e.isFulfilled=!0,o(t)})}),e}}yn(Wd,Ho);function $d(){let t=function(t){t=t.toLowerCase();const e=document.cookie.split(";");for(const n of e){const e=n.split("=");if(decodeURIComponent(e[0].trim().toLowerCase())===t)return decodeURIComponent(e[1])}return null}("ckCsrfToken");var e,n;return t&&40==t.length||(t=function(t){let e="";const n=new Uint8Array(t);window.crypto.getRandomValues(n);for(let t=0;t<n.length;t++){const o="abcdefghijklmnopqrstuvwxyz0123456789".charAt(n[t]%"abcdefghijklmnopqrstuvwxyz0123456789".length);e+=Math.random()>.5?o.toUpperCase():o}return e}(40),e="ckCsrfToken",n=t,document.cookie=encodeURIComponent(e)+"="+encodeURIComponent(n)+";path=/"),t}class Yd extends ql{static get requires(){return[qd]}static get pluginName(){return"CKFinderUploadAdapter"}init(){const t=this.editor.config.get("ckfinder.uploadUrl");t&&(this.editor.plugins.get(qd).createUploadAdapter=e=>new Gd(e,t,this.editor.t))}}class Gd{constructor(t,e,n){this.loader=t,this.url=e,this.t=n}upload(){return this.loader.file.then(t=>new Promise((e,n)=>{this._initRequest(),this._initListeners(e,n,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,n){const o=this.xhr,i=this.loader,r=(0,this.t)("a")+` ${n.name}.`;o.addEventListener("error",()=>e(r)),o.addEventListener("abort",()=>e()),o.addEventListener("load",()=>{const n=o.response;if(!n||!n.uploaded)return e(n&&n.error&&n.error.message?n.error.message:r);t({default:n.url})}),o.upload&&o.upload.addEventListener("progress",t=>{t.lengthComputable&&(i.uploadTotal=t.total,i.uploaded=t.loaded)})}_sendRequest(t){const e=new FormData;e.append("upload",t),e.append("ckCsrfToken",$d()),this.xhr.send(e)}}function Qd(t){const e=t.next();return e.done?null:e.value}const Kd=["left","right","center","justify"];function Jd(t){return Kd.includes(t)}function Zd(t,e){return"rtl"==e.contentLanguageDirection?"right"===t:"left"===t}class Xd extends Kl{refresh(){const t=this.editor.locale,e=Qd(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,n=e.locale,o=e.model,i=o.document,r=t.value;o.change(t=>{const e=Array.from(i.selection.getSelectedBlocks()).filter(t=>this._canBeAligned(t)),o=e[0].getAttribute("alignment");Zd(r,n)||o===r||!r?function(t,e){for(const n of t)e.removeAttribute("alignment",n)}(e,t):function(t,e,n){for(const o of t)e.setAttribute("alignment",n,o)}(e,t,r)})}_canBeAligned(t){return this.editor.model.schema.checkAttribute(t,"alignment")}}class tu extends ql{static get pluginName(){return"AlignmentEditing"}constructor(t){super(t),t.config.define("alignment",{options:[...Kd]})}init(){const t=this.editor,e=t.locale,n=t.model.schema,o=t.config.get("alignment.options").filter(Jd);n.extend("$block",{allowAttributes:"alignment"}),t.model.schema.setAttributeProperties("alignment",{isFormatting:!0});const i=function(t){const e={model:{key:"alignment",values:t.slice()},view:{}};for(const n of t)e.view[n]={key:"style",value:{"text-align":n}};return e}(o.filter(t=>!Zd(t,e)));t.conversion.attributeToAttribute(i),t.commands.add("alignment",new Xd(t))}}var eu='<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>',nu='<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 ou=new Map([["left",eu],["right",nu],["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 iu extends ql{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,n=t.t,o=t.config.get("alignment.options");o.filter(Jd).forEach(t=>this._addButton(t)),e.add("alignment",t=>{const i=Dl(t),r=o.map(t=>e.create(`alignment:${t}`));Ll(i,r),i.buttonView.set({label:n("h"),tooltip:!0}),i.toolbarView.isVertical=!0,i.toolbarView.ariaLabel=n("i"),i.extendTemplate({attributes:{class:"ck-alignment-dropdown"}});const s="rtl"===t.contentLanguageDirection?nu:eu;return i.buttonView.bind("icon").toMany(r,"isOn",(...t)=>{const e=t.findIndex(t=>t);return e<0?s:r[e].icon}),i.bind("isEnabled").toMany(r,"isEnabled",(...t)=>t.some(t=>t)),i})}_addButton(t){const e=this.editor;e.ui.componentFactory.add(`alignment:${t}`,n=>{const o=e.commands.get("alignment"),i=new Sl(n);return i.set({label:this.localizedOptionTitles[t],icon:ou.get(t),tooltip:!0,isToggleable:!0}),i.bind("isEnabled").to(o),i.bind("isOn").to(o,"value",e=>e===t),this.listenTo(i,"execute",()=>{e.execute("alignment",{value:t}),e.editing.view.focus()}),i})}}class ru{static get pluginName(){return"BlockAutoformatEditing"}constructor(t,e,n){let o,i=null;"function"==typeof n?o=n:(i=t.commands.get(n),o=()=>{t.execute(n)}),t.model.document.on("change",(n,r)=>{if(i&&!i.isEnabled)return;if("transparent"==r.type)return;const s=Array.from(t.model.document.differ.getChanges()),a=s[0];if(1!=s.length||"insert"!==a.type||"$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),n=t.createPositionAt(c,l[0].length),i=new Is(e,n);!1!==o({match:l})&&t.remove(i),i.detach()})})}}function su(t,e){let n=t.start;return{text:Array.from(t.getItems()).reduce((t,o)=>o.is("text")||o.is("textProxy")?t+o.data:(n=e.createPositionAfter(o),""),""),range:e.createRange(n,t.end)}}class au{static get pluginName(){return"InlineAutoformatEditing"}constructor(t,e,n){let o,i,r,s;e instanceof RegExp?o=e:r=e,"string"==typeof n?i=n:s=n,r=r||(t=>{let e;const n=[],i=[];for(;null!==(e=o.exec(t))&&!(e&&e.length<4);){let{index:t,1:o,2:r,3:s}=e;const a=o+r+s;t+=e[0].length-a.length;const c=[t,t+o.length],l=[t+o.length+r.length,t+o.length+r.length+s.length];n.push(c),n.push(l),i.push([t+o.length,t+o.length+r.length])}return{remove:n,format:i}}),s=s||((e,n)=>{const o=t.model.schema.getValidRanges(n,i);for(const t of o)e.setAttribute(i,!0,t);e.removeSelectionAttribute(i)}),t.model.document.on("change",(e,n)=>{if("transparent"==n.type)return;const o=t.model,i=o.document.selection;if(!i.isCollapsed)return;const a=Array.from(o.document.differ.getChanges()),c=a[0];if(1!=a.length||"insert"!==c.type||"$text"!=c.name||1!=c.length)return;const l=i.focus,d=l.parent,{text:u,range:h}=su(o.createRange(o.createPositionAt(d,0),l),o),f=r(u),m=cu(h.start,f.format,o),g=cu(h.start,f.remove,o);m.length&&g.length&&o.enqueueChange(t=>{if(!1!==s(t,m))for(const e of g.reverse())t.remove(e)})})}}function cu(t,e,n){return e.filter(t=>void 0!==t[0]&&void 0!==t[1]).map(e=>n.createRange(t.getShiftedBy(e[0]),t.getShiftedBy(e[1])))}function lu(t,e){return(n,o)=>{if(!t.commands.get(e).isEnabled)return!1;const i=t.model.schema.getValidRanges(o,e);for(const t of i)n.setAttribute(e,!0,t);n.removeSelectionAttribute(e)}}class du extends Kl{constructor(t,e){super(t),this.attributeKey=e}refresh(){const t=this.editor.model,e=t.document;this.value=this._getValueFromFirstAllowedNode(),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model,n=e.document.selection,o=void 0===t.forceValue?!this.value:t.forceValue;e.change(t=>{if(n.isCollapsed)o?t.setSelectionAttribute(this.attributeKey,!0):t.removeSelectionAttribute(this.attributeKey);else{const i=e.schema.getValidRanges(n.getRanges(),this.attributeKey);for(const e of i)o?t.setAttribute(this.attributeKey,o,e):t.removeAttribute(this.attributeKey,e)}})}_getValueFromFirstAllowedNode(){const t=this.editor.model,e=t.schema,n=t.document.selection;if(n.isCollapsed)return n.hasAttribute(this.attributeKey);for(const t of n.getRanges())for(const n of t.getItems())if(e.checkAttribute(n,this.attributeKey))return n.hasAttribute(this.attributeKey);return!1}}class uu extends ql{static get pluginName(){return"BoldEditing"}init(){const t=this.editor;t.model.schema.extend("$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 du(t,"bold")),t.keystrokes.set("CTRL+B","bold")}}class hu extends ql{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("bold",n=>{const o=t.commands.get("bold"),i=new Sl(n);return i.set({label:e("j"),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}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",()=>{t.execute("bold"),t.editing.view.focus()}),i})}}class fu extends ql{static get pluginName(){return"ItalicEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"italic"}),t.model.schema.setAttributeProperties("italic",{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:"italic",view:"i",upcastAlso:["em",{styles:{"font-style":"italic"}}]}),t.commands.add("italic",new du(t,"italic")),t.keystrokes.set("CTRL+I","italic")}}class mu extends ql{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("italic",n=>{const o=t.commands.get("italic"),i=new Sl(n);return i.set({label:e("k"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M9.586 14.633l.021.004c-.036.335.095.655.393.962.082.083.173.15.274.201h1.474a.6.6 0 1 1 0 1.2H5.304a.6.6 0 0 1 0-1.2h1.15c.474-.07.809-.182 1.005-.334.157-.122.291-.32.404-.597l2.416-9.55a1.053 1.053 0 0 0-.281-.823 1.12 1.12 0 0 0-.442-.296H8.15a.6.6 0 0 1 0-1.2h6.443a.6.6 0 1 1 0 1.2h-1.195c-.376.056-.65.155-.823.296-.215.175-.423.439-.623.79l-2.366 9.347z"/></svg>',keystroke:"CTRL+I",tooltip:!0,isToggleable:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",()=>{t.execute("italic"),t.editing.view.focus()}),i})}}class gu extends ql{static get pluginName(){return"UnderlineEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"underline"}),t.model.schema.setAttributeProperties("underline",{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:"underline",view:"u",upcastAlso:{styles:{"text-decoration":"underline"}}}),t.commands.add("underline",new du(t,"underline")),t.keystrokes.set("CTRL+U","underline")}}class pu extends ql{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("underline",n=>{const o=t.commands.get("underline"),i=new Sl(n);return i.set({label:e("l"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 18v-1.5h14V18zm2.2-8V3.6c0-.4.4-.6.8-.6.3 0 .7.2.7.6v6.2c0 2 1.3 2.8 3.2 2.8 1.9 0 3.4-.9 3.4-2.9V3.6c0-.3.4-.5.8-.5.3 0 .7.2.7.5V10c0 2.7-2.2 4-4.9 4-2.6 0-4.7-1.2-4.7-4z"/></svg>',keystroke:"CTRL+U",tooltip:!0,isToggleable:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",()=>{t.execute("underline"),t.editing.view.focus()}),i})}}class bu extends Kl{refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(t={}){const e=this.editor.model,n=e.schema,o=e.document.selection,i=Array.from(o.getSelectedBlocks()),r=void 0===t.forceValue?!this.value:t.forceValue;e.change(t=>{if(r){const e=i.filter(t=>wu(t)||_u(n,t));this._applyQuote(t,e)}else this._removeQuote(t,i.filter(wu))})}_getValue(){const t=Qd(this.editor.model.document.selection.getSelectedBlocks());return!(!t||!wu(t))}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,n=Qd(t.getSelectedBlocks());return!!n&&_u(e,n)}_removeQuote(t,e){ku(t,e).reverse().forEach(e=>{if(e.start.isAtStart&&e.end.isAtEnd)return void t.unwrap(e.start.parent);if(e.start.isAtStart){const n=t.createPositionBefore(e.start.parent);return void t.move(e,n)}e.end.isAtEnd||t.split(e.end);const n=t.createPositionAfter(e.end.parent);t.move(e,n)})}_applyQuote(t,e){const n=[];ku(t,e).reverse().forEach(e=>{let o=wu(e.start);o||(o=t.createElement("blockQuote"),t.wrap(e,o)),n.push(o)}),n.reverse().reduce((e,n)=>e.nextSibling==n?(t.merge(t.createPositionAfter(e)),e):n)}}function wu(t){return"blockQuote"==t.parent.name?t.parent:null}function ku(t,e){let n,o=0;const i=[];for(;o<e.length;){const r=e[o],s=e[o+1];n||(n=t.createPositionBefore(r)),s&&r.nextSibling==s||(i.push(t.createRange(n,t.createPositionAfter(r))),n=null),o++}return i}function _u(t,e){const n=t.checkChild(e.parent,"blockQuote"),o=t.checkChild(["$root","blockQuote"],e);return n&&o}class vu extends ql{static get pluginName(){return"BlockQuoteEditing"}init(){const t=this.editor,e=t.model.schema;t.commands.add("blockQuote",new bu(t)),e.register("blockQuote",{allowWhere:"$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(n=>{const o=t.model.document.differ.getChanges();for(const t of o)if("insert"==t.type){const o=t.position.nodeAfter;if(!o)continue;if(o.is("blockQuote")&&o.isEmpty)return n.remove(o),!0;if(o.is("blockQuote")&&!e.checkChild(t.position,o))return n.unwrap(o),!0;if(o.is("element")){const t=n.createRangeIn(o);for(const o of t.getItems())if(o.is("blockQuote")&&!e.checkChild(n.createPositionBefore(o),o))return n.unwrap(o),!0}}else if("remove"==t.type){const e=t.position.parent;if(e.is("blockQuote")&&e.isEmpty)return n.remove(e),!0}return!1})}afterInit(){const t=this.editor.commands.get("blockQuote");this.listenTo(this.editor.editing.view.document,"enter",(e,n)=>{const o=this.editor.model.document,i=o.selection.getLastPosition().parent;o.selection.isCollapsed&&i.isEmpty&&t.value&&(this.editor.execute("blockQuote"),this.editor.editing.view.scrollToTheSelection(),n.preventDefault(),e.stop())})}}n(43);class yu extends ql{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("blockQuote",n=>{const o=t.commands.get("blockQuote"),i=new Sl(n);return i.set({label:e("n"),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}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",()=>{t.execute("blockQuote"),t.editing.view.focus()}),i})}}class xu extends ql{static get pluginName(){return"CKFinderUI"}init(){const t=this.editor,e=t.ui.componentFactory,n=t.t;e.add("ckfinder",e=>{const o=t.commands.get("ckfinder"),i=new Sl(e);return i.set({label:n("m"),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}),i.bind("isEnabled").to(o),i.on("execute",()=>{t.execute("ckfinder"),t.editing.view.focus()}),i})}}class Au extends ur{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 Cu{constructor(){this._stack=[]}add(t,e){const n=this._stack,o=n[0];this._insertDescriptor(t);const i=n[0];o===i||Tu(o,i)||this.fire("change:top",{oldDescriptor:o,newDescriptor:i,writer:e})}remove(t,e){const n=this._stack,o=n[0];this._removeDescriptor(t);const i=n[0];o===i||Tu(o,i)||this.fire("change:top",{oldDescriptor:o,newDescriptor:i,writer:e})}_insertDescriptor(t){const e=this._stack,n=e.findIndex(e=>e.id===t.id);if(Tu(t,e[n]))return;n>-1&&e.splice(n,1);let o=0;for(;e[o]&&Pu(e[o],t);)o++;e.splice(o,0,t)}_removeDescriptor(t){const e=this._stack,n=e.findIndex(e=>e.id===t);n>-1&&e.splice(n,1)}}function Tu(t,e){return t&&e&&t.priority==e.priority&&Su(t.classes)==Su(e.classes)}function Pu(t,e){return t.priority>e.priority||!(t.priority<e.priority)&&Su(t.classes)>Su(e.classes)}function Su(t){return Array.isArray(t)?t.sort().join(","):t}yn(Cu,gn);function Mu(t){return!!t.is("element")&&!!t.getCustomProperty("widget")}function Eu(t,e,n={}){return hi.isEdge||e.setAttribute("contenteditable","false",t),e.addClass("ck-widget",t),e.setCustomProperty("widget",!0,t),t.getFillerOffset=Ru,n.label&&function(t,e,n){n.setCustomProperty("widgetLabel",e,t)}(t,n.label,e),n.hasSelectionHandle&&function(t,e){const n=e.createUIElement("div",{class:"ck ck-widget__selection-handle"},(function(t){const e=this.toDomElement(t),n=new Tl;return n.set("content",'<svg viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M4 0v1H1v3H0V.5A.5.5 0 0 1 .5 0H4zm8 0h3.5a.5.5 0 0 1 .5.5V4h-1V1h-3V0zM4 16H.5a.5.5 0 0 1-.5-.5V12h1v3h3v1zm8 0v-1h3v-3h1v3.5a.5.5 0 0 1-.5.5H12z"/><path fill-opacity=".256" d="M1 1h14v14H1z"/><g class="ck-icon__selected-indicator"><path d="M7 0h2v1H7V0zM0 7h1v2H0V7zm15 0h1v2h-1V7zm-8 8h2v1H7v-1z"/><path fill-opacity=".254" d="M1 1h14v14H1z"/></g></svg>'),n.render(),e.appendChild(n.element),e}));e.insert(e.createPositionAt(t,0),n),e.addClass(["ck-widget_with-selection-handle"],t)}(t,e),function(t,e,n,o){const i=new Cu;i.on("change:top",(e,i)=>{i.oldDescriptor&&o(t,i.oldDescriptor,i.writer),i.newDescriptor&&n(t,i.newDescriptor,i.writer)}),e.setCustomProperty("addHighlight",(t,e,n)=>i.add(e,n),t),e.setCustomProperty("removeHighlight",(t,e,n)=>i.remove(e,n),t)}(t,e,(t,e,n)=>n.addClass(o(e.classes),t),(t,e,n)=>n.removeClass(o(e.classes),t)),t;function o(t){return Array.isArray(t)?t:[t]}}function Iu(t){const e=t.getCustomProperty("widgetLabel");return e?"function"==typeof e?e():e:""}function Nu(t,e){return e.addClass(["ck-editor__editable","ck-editor__nested-editable"],t),hi.isEdge||(e.setAttribute("contenteditable",t.isReadOnly?"false":"true",t),t.on("change:isReadOnly",(n,o,i)=>{e.setAttribute("contenteditable",i?"false":"true",t)})),t.on("change:isFocused",(n,o,i)=>{i?e.addClass("ck-editor__nested-editable_focused",t):e.removeClass("ck-editor__nested-editable_focused",t)}),t}function Ou(t,e){const n=t.getSelectedElement();if(n&&e.schema.isBlock(n))return e.createPositionAfter(n);const o=t.getSelectedBlocks().next().value;if(o){if(o.isEmpty)return e.createPositionAt(o,0);const n=e.createPositionAfter(o);return t.focus.isTouching(n)?n:e.createPositionBefore(o)}return t.focus}function Ru(){return null}function Du(t){const e=t.getSelectedElement();return e&&function(t){return!!t.getCustomProperty("image")&&Mu(t)}(e)?e:null}function Lu(t){return!!t&&t.is("image")}function ju(t,e,n={}){const o=t.createElement("image",n),i=Ou(e.document.selection,e);e.insertContent(o,i),o.parent&&t.setSelection(o,"on")}function Vu(t){const e=t.schema,n=t.document.selection;return function(t,e,n){const o=function(t,e){const n=Ou(t,e).parent;if(n.isEmpty&&!n.is("$root"))return n.parent;return n}(t,n);return e.checkChild(o,"image")}(n,e,t)&&!function(t,e){const n=t.getSelectedElement();return n&&e.isObject(n)}(n,e)&&function(t){return[...t.focus.getAncestors()].every(t=>!t.is("image"))}(n)}function zu(t){return Array.from(t.getChildren()).find(t=>t.is("img"))}function Bu(t){return n=>{n.on(`attribute:${t}:image`,e)};function e(t,e,n){if(!n.consumable.consume(e.item,t.name))return;const o=n.writer,i=zu(n.mapper.toViewElement(e.item));null!==e.attributeNewValue?o.setAttribute(e.attributeKey,e.attributeNewValue,i):o.removeAttribute(e.attributeKey,i)}}class Fu extends Kl{refresh(){this.isEnabled=Vu(this.editor.model)}execute(t){const e=this.editor.model;e.change(n=>{const o=Array.isArray(t.source)?t.source:[t.source];for(const t of o)ju(n,e,{src:t})})}}class Uu extends ql{static get pluginName(){return"ImageEditing"}init(){const t=this.editor,e=t.model.schema,n=t.t,o=t.conversion;t.editing.view.addObserver(Au),e.register("image",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["alt","src","srcset"]}),o.for("dataDowncast").elementToElement({model:"image",view:(t,e)=>Hu(e)}),o.for("editingDowncast").elementToElement({model:"image",view:(t,e)=>{return o=Hu(e),i=e,r=n("r"),i.setCustomProperty("image",!0,o),Eu(o,i,{label:function(){const t=zu(o).getAttribute("alt");return t?`${t} ${r}`:r}});var o,i,r}}),o.for("downcast").add(Bu("src")).add(Bu("alt")).add(function(){return e=>{e.on("attribute:srcset:image",t)};function t(t,e,n){if(!n.consumable.consume(e.item,t.name))return;const o=n.writer,i=zu(n.mapper.toViewElement(e.item));if(null===e.attributeNewValue){const t=e.attributeOldValue;t.data&&(o.removeAttribute("srcset",i),o.removeAttribute("sizes",i),t.width&&o.removeAttribute("width",i))}else{const t=e.attributeNewValue;t.data&&(o.setAttribute("srcset",t.data,i),o.setAttribute("sizes","100vw",i),t.width&&o.setAttribute("width",t.width,i))}}}()),o.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,n){if(!n.consumable.test(e.viewItem,{name:!0,classes:"image"}))return;const o=zu(e.viewItem);if(!o||!o.hasAttribute("src")||!n.consumable.test(o,{name:!0}))return;const i=n.convertItem(o,e.modelCursor),r=Qd(i.modelRange.getItems());r&&(n.convertChildren(e.viewItem,n.writer.createPositionAt(r,0)),e.modelRange=i.modelRange,e.modelCursor=i.modelCursor)}}()),t.commands.add("imageInsert",new Fu(t))}}function Hu(t){const e=t.createEmptyElement("img"),n=t.createContainerElement("figure",{class:"image"});return t.insert(t.createPositionAt(n,0),e),n}function qu(t,e,n){return n.createRange(Wu(t,e,!0,n),Wu(t,e,!1,n))}function Wu(t,e,n,o){let i=t.textNode||(n?t.nodeBefore:t.nodeAfter),r=null;for(;i&&i.getAttribute("linkHref")==e;)r=i,i=n?i.previousSibling:i.nextSibling;return r?o.createPositionAt(r,n?"before":"after"):t}class $u extends Kl{constructor(t){super(t),this.manualDecorators=new xn}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 n=this.editor.model,o=n.document.selection,i=[],r=[];for(const t in e)e[t]?i.push(t):r.push(t);n.change(e=>{if(o.isCollapsed){const s=o.getFirstPosition();if(o.hasAttribute("linkHref")){const a=qu(s,o.getAttribute("linkHref"),n);e.setAttribute("linkHref",t,a),i.forEach(t=>{e.setAttribute(t,!0,a)}),r.forEach(t=>{e.removeAttribute(t,a)}),e.setSelection(a)}else if(""!==t){const r=Ln(o.getAttributes());r.set("linkHref",t),i.forEach(t=>{r.set(t,!0)});const a=e.createText(t,r);n.insertContent(a,s),e.setSelection(e.createRangeOn(a))}}else{const s=n.schema.getValidRanges(o.getRanges(),"linkHref");for(const n of s)e.setAttribute("linkHref",t,n),i.forEach(t=>{e.setAttribute(t,!0,n)}),r.forEach(t=>{e.removeAttribute(t,n)})}})}_getDecoratorStateFromModel(t){return this.editor.model.document.selection.getAttribute(t)||!1}}class Yu extends Kl{refresh(){this.isEnabled=this.editor.model.document.selection.hasAttribute("linkHref")}execute(){const t=this.editor,e=this.editor.model,n=e.document.selection,o=t.commands.get("link");e.change(t=>{const i=n.isCollapsed?[qu(n.getFirstPosition(),n.getAttribute("linkHref"),e)]:n.getRanges();for(const e of i)if(t.removeAttribute("linkHref",e),o)for(const n of o.manualDecorators)t.removeAttribute(n.id,e)})}}var Gu=function(t,e,n){var o=t.length;return n=void 0===n?o:n,!e&&n>=o?t:oo(t,e,n)},Qu=RegExp("[\\u200d\\ud800-\\udfff\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff\\ufe0e\\ufe0f]");var Ku=function(t){return Qu.test(t)};var Ju=function(t){return t.split("")},Zu="[\\ud800-\\udfff]",Xu="[\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff]",th="\\ud83c[\\udffb-\\udfff]",eh="[^\\ud800-\\udfff]",nh="(?:\\ud83c[\\udde6-\\uddff]){2}",oh="[\\ud800-\\udbff][\\udc00-\\udfff]",ih="(?:"+Xu+"|"+th+")"+"?",rh="[\\ufe0e\\ufe0f]?"+ih+("(?:\\u200d(?:"+[eh,nh,oh].join("|")+")[\\ufe0e\\ufe0f]?"+ih+")*"),sh="(?:"+[eh+Xu+"?",Xu,nh,oh,Zu].join("|")+")",ah=RegExp(th+"(?="+th+")|"+sh+rh,"g");var ch=function(t){return t.match(ah)||[]};var lh=function(t){return Ku(t)?ch(t):Ju(t)};var dh=function(t){return function(e){e=Zn(e);var n=Ku(e)?lh(e):void 0,o=n?n[0]:e.charAt(0),i=n?Gu(n,1).join(""):e.slice(1);return o[t]()+i}}("toUpperCase");const uh=/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g,hh=/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i;function fh(t,e){const n=e.createAttributeElement("a",{href:t},{priority:5});return e.setCustomProperty("link",!0,n),n}function mh(t){return function(t){return t.replace(uh,"").match(hh)}(t=String(t))?t:"#"}class gh{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,n)=>{if(!n.consumable.test(e.item,"attribute:linkHref"))return;const o=n.writer,i=o.document.selection;for(const t of this._definitions){const r=o.createAttributeElement("a",t.attributes,{priority:5});o.setCustomProperty("link",!0,r),t.callback(e.attributeNewValue)?e.item.is("selection")?o.wrap(i.getFirstRange(),r):o.wrap(n.mapper.toViewRange(e.range),r):o.unwrap(n.mapper.toViewRange(e.range),r)}},{priority:"high"})}}}class ph{constructor({id:t,label:e,attributes:n}){this.id=t,this.set("value"),this.label=e,this.attributes=n}}yn(ph,Ho);class bh{constructor(t,e,n){this.model=t,this.attribute=n,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&&wh(this._modelSelection.getFirstPosition(),n)||this._restoreGravity())})}handleForwardMovement(t,e){const n=this.attribute;if(!(this._isGravityOverridden||t.isAtStart&&this._hasSelectionAttribute))return vh(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._removeSelectionAttribute(),!0):kh(t,n)||_h(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._overrideGravity(),!0):void 0}handleBackwardMovement(t,e){const n=this.attribute;return this._isGravityOverridden?vh(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._restoreGravity(),this._removeSelectionAttribute(),!0):(this._preventCaretMovement(e),this._restoreGravity(),t.isAtStart&&this._removeSelectionAttribute(),!0):vh(t,n)&&!this._hasSelectionAttribute?(this._preventCaretMovement(e),this._setSelectionAttributeFromTheNodeBefore(t),!0):t.isAtEnd&&_h(t,n)?this._hasSelectionAttribute?void(yh(t,n)&&(this._skipNextAutomaticGravityRestoration(),this._overrideGravity())):(this._preventCaretMovement(e),this._setSelectionAttributeFromTheNodeBefore(t),!0):t.isAtStart?this._hasSelectionAttribute?(this._removeSelectionAttribute(),this._preventCaretMovement(e),!0):void 0:void(yh(t,n)&&(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(n=>{n.setSelectionAttribute(this.attribute,t.nodeBefore.getAttribute(e))})}_skipNextAutomaticGravityRestoration(){this._isNextGravityRestorationSkipped=!0}}function wh(t,e){return kh(t,e)||_h(t,e)}function kh(t,e){const{nodeBefore:n,nodeAfter:o}=t,i=!!n&&n.hasAttribute(e);return!!o&&o.hasAttribute(e)&&(!i||n.getAttribute(e)!==o.getAttribute(e))}function _h(t,e){const{nodeBefore:n,nodeAfter:o}=t,i=!!n&&n.hasAttribute(e),r=!!o&&o.hasAttribute(e);return i&&(!r||n.getAttribute(e)!==o.getAttribute(e))}function vh(t,e){const{nodeBefore:n,nodeAfter:o}=t,i=!!n&&n.hasAttribute(e);if(!!o&&o.hasAttribute(e)&&i)return o.getAttribute(e)!==n.getAttribute(e)}function yh(t,e){return wh(t.getShiftedBy(-1),e)}n(45);const xh=/^(https?:)?\/\//;class Ah extends ql{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:fh}),t.conversion.for("editingDowncast").attributeToElement({model:"linkHref",view:(t,e)=>fh(mh(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 $u(t)),t.commands.add("unlink",new Yu(t));const n=function(t,e){const n={"Open in a new tab":t("bi"),Downloadable:t("bj")};return e.forEach(t=>(t.label&&n[t.label]&&(t.label=n[t.label]),t)),e}(t.t,function(t){const e=[];if(t)for(const[n,o]of Object.entries(t)){const t=Object.assign({},o,{id:`link${dh(n)}`});e.push(t)}return e}(t.config.get("link.decorators")));this._enableAutomaticDecorators(n.filter(t=>"automatic"===t.mode)),this._enableManualDecorators(n.filter(t=>"manual"===t.mode)),function({view:t,model:e,emitter:n,attribute:o,locale:i}){const r=new bh(e,n,o),s=e.document.selection;n.listenTo(t.document,"keydown",(t,e)=>{if(!s.isCollapsed)return;if(e.shiftKey||e.altKey||e.ctrlKey)return;const n=e.keyCode==gi.arrowright,o=e.keyCode==gi.arrowleft;if(!n&&!o)return;const a=s.getFirstPosition(),c=i.contentLanguageDirection;let l;l="ltr"===c&&n||"rtl"===c&&o?r.handleForwardMovement(a,e):r.handleBackwardMovement(a,e),l&&t.stop()},{priority:un.get("high")+1})}({view:t.editing.view,model:t.model,emitter:this,attribute:"linkHref",locale:e}),this._setupLinkHighlight()}_enableAutomaticDecorators(t){const e=this.editor,n=new gh;e.config.get("link.addTargetToExternalLinks")&&n.add({id:"linkIsExternal",mode:"automatic",callback:t=>xh.test(t),attributes:{target:"_blank",rel:"noopener noreferrer"}}),n.add(t),n.length&&e.conversion.for("downcast").add(n.getDispatcher())}_enableManualDecorators(t){if(!t.length)return;const e=this.editor,n=e.commands.get("link").manualDecorators;t.forEach(t=>{e.model.schema.extend("$text",{allowAttributes:t.id}),n.add(new ph(t)),e.conversion.for("downcast").attributeToElement({model:t.id,view:(e,o)=>{if(e){const e=n.get(t.id).attributes,i=o.createAttributeElement("a",e,{priority:5});return o.setCustomProperty("link",!0,i),i}}}),e.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:n.get(t.id).attributes},model:{key:t.id}})})}_setupLinkHighlight(){const t=this.editor,e=t.editing.view,n=new Set;e.document.registerPostFixer(e=>{const o=t.model.document.selection;let i=!1;if(o.hasAttribute("linkHref")){const r=qu(o.getFirstPosition(),o.getAttribute("linkHref"),t.model),s=t.editing.mapper.toViewRange(r);for(const t of s.getItems())t.is("a")&&!t.hasClass("ck-link_selected")&&(e.addClass("ck-link_selected",t),n.add(t),i=!0)}return i}),t.conversion.for("editingDowncast").add(t=>{function o(){e.change(t=>{for(const e of n.values())t.removeClass("ck-link_selected",e),n.delete(e)})}t.on("insert",o,{priority:"highest"}),t.on("remove",o,{priority:"highest"}),t.on("attribute",o,{priority:"highest"}),t.on("selection",o,{priority:"highest"})})}}class Ch extends Fd{static get pluginName(){return"Notification"}init(){this.on("show:warning",(t,e)=>{window.alert(e.message)},{priority:"lowest"})}showSuccess(t,e={}){this._showNotification({message:t,type:"success",namespace:e.namespace,title:e.title})}showInfo(t,e={}){this._showNotification({message:t,type:"info",namespace:e.namespace,title:e.title})}showWarning(t,e={}){this._showNotification({message:t,type:"warning",namespace:e.namespace,title:e.title})}_showNotification(t){const e=`show:${t.type}`+(t.namespace?`:${t.namespace}`:"");this.fire(e,{message:t.message,type:t.type,title:t.title||""})}}class Th extends Kl{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 hn.b('ckfinder-unknown-openerMethod: The openerMethod config option must by "popup" or "modal".',t);const n=this.editor.config.get("ckfinder.options")||{};n.chooseFiles=!0;const o=n.onInit;n.language||(n.language=t.locale.uiLanguage),n.onInit=e=>{o&&o(e),e.on("files:choose",n=>{const o=n.data.files.toArray(),i=o.filter(t=>!t.isImage()),r=o.filter(t=>t.isImage());for(const e of i)t.execute("link",e.getUrl());const s=[];for(const t of r){const n=t.getUrl();s.push(n||e.request("file:getProxyUrl",{file:t}))}s.length&&Ph(t,s)}),e.on("file:choose:resizedImage",e=>{const n=e.data.resizedUrl;if(n)Ph(t,[n]);else{const e=t.plugins.get("Notification"),n=t.locale.t;e.showWarning(n("bd"),{title:n("be"),namespace:"ckfinder"})}})},window.CKFinder[e](n)}}function Ph(t,e){if(t.commands.get("imageInsert").isEnabled)t.execute("imageInsert",{source:e});else{const e=t.plugins.get("Notification"),n=t.locale.t;e.showWarning(n("bf"),{title:n("bg"),namespace:"ckfinder"})}}class Sh extends ql{static get pluginName(){return"CKFinderEditing"}static get requires(){return[Ch,Uu,Ah]}init(){const t=this.editor;t.commands.add("ckfinder",new Th(t))}}const Mh=/^data:(\S*?);base64,/;class Eh{constructor(t,e,n){if(!t)throw new hn.b("fileuploader-missing-file: File must be provided as the first argument",null);if(!e)throw new hn.b("fileuploader-missing-token: Token must be provided as the second argument.",null);if(!n)throw new hn.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(Mh);return!(!e||!e.length)}(t)?function(t,e=512){try{const n=t.match(Mh)[1],o=atob(t.replace(Mh,"")),i=[];for(let t=0;t<o.length;t+=e){const n=o.slice(t,t+e),r=new Array(n.length);for(let t=0;t<n.length;t++)r[t]=n.charCodeAt(t);i.push(new Uint8Array(r))}return new Blob(i,{type:n})}catch(t){throw new hn.b("fileuploader-decoding-image-data-error: Problem with decoding Base64 image data.",null)}}(t):t,this._token=e,this._apiAddress=n}onProgress(t){return this.on("progress",(e,n)=>t(n)),this}onError(t){return this.once("error",(e,n)=>t(n)),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 n(e){return()=>t.fire("error",e)}e.addEventListener("error",n("Network Error")),e.addEventListener("abort",n("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,n=e.response;if(t<200||t>299)return this.fire("error",n.message||n.error)})}_sendRequest(){const t=new FormData,e=this.xhr;return t.append("file",this.file),new Promise((n,o)=>{e.addEventListener("load",()=>{const t=e.status,i=e.response;return t<200||t>299?i.message?o(new hn.b("fileuploader-uploading-data-failed: Uploading file failed.",this,{message:i.message})):o(i.error):n(i)}),e.addEventListener("error",()=>o(new Error("Network Error"))),e.addEventListener("abort",()=>o(new Error("Abort"))),e.send(t)})}}yn(Eh,gn);const Ih={refreshInterval:36e5,autoRefresh:!0};class Nh{constructor(t,e=Ih){if(!t)throw new hn.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,n)=>{const o=new XMLHttpRequest;o.open("GET",e),o.addEventListener("load",()=>{const e=o.status,i=o.response;return e<200||e>299?n(new hn.b("token-cannot-download-new-token: Cannot download new token from the provided url.",null)):t(i)}),o.addEventListener("error",()=>n(new Error("Network Error"))),o.addEventListener("abort",()=>n(new Error("Abort"))),o.send()});var e},this._options=Object.assign({},Ih,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=Ih){return new Nh(t,e).init()}}yn(Nh,Ho);var Oh=Nh;class Rh extends Fd{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 Rh.Token(this.tokenUrl),this.token.init();this.token=null}}Rh.Token=Oh;class Dh extends ql{static get requires(){return[qd,Rh]}init(){const t=this.editor,e=t.plugins.get(Rh),n=e.token,o=e.uploadUrl;n&&(this._uploadGateway=new Dh._UploadGateway(n,o),t.plugins.get(qd).createUploadAdapter=t=>new Lh(this._uploadGateway,t))}}class Lh{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()}}Dh._UploadGateway=class{constructor(t,e){if(!t)throw new hn.b("uploadgateway-missing-token: Token must be provided.",null);if(!e)throw new hn.b("uploadgateway-missing-api-address: Api address must be provided.",null);this._token=t,this._apiAddress=e}upload(t){return new Eh(t,this._token,this._apiAddress)}};class jh extends Nr{constructor(t){super(t),this.domEventType="mousedown"}onDomEvent(t){this.fire(t.type,t)}}n(47);const Vh=bi("Ctrl+A");class zh extends ql{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,n)=>{this._clearPreviouslySelectedWidgets(n.writer);const o=n.writer,i=o.document.selection,r=i.getSelectedElement();let s=null;for(const t of i.getRanges())for(const e of t){const t=e.item;Mu(t)&&!Bh(t,s)&&(o.addClass("ck-widget_selected",t),this._previouslySelected.add(t),s=t,t==r&&o.setSelection(i.getRanges(),{fake:!0,label:Iu(r)}))}},{priority:"low"}),t.addObserver(jh),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 n=this.editor,o=n.editing.view,i=o.document;let r=e.target;if(function(t){for(;t;){if(t.is("editableElement")&&!t.is("rootElement"))return!0;if(Mu(t))return!1;t=t.parent}return!1}(r)){if(hi.isSafari&&e.domEvent.detail>=3){const t=n.editing.mapper.toModelElement(r);this.editor.model.change(n=>{e.preventDefault(),n.setSelection(t,"in")})}return}if(!Mu(r)&&(r=r.findAncestor(Mu),!r))return;e.preventDefault(),i.isFocused||o.focus();const s=n.editing.mapper.toModelElement(r);this._setSelectionOverElement(s)}_onKeydown(t,e){const n=e.keyCode,o="ltr"===this.editor.locale.contentLanguageDirection,i=n==gi.arrowdown||n==gi[o?"arrowright":"arrowleft"];let r=!1;!function(t){return t==gi.arrowright||t==gi.arrowleft||t==gi.arrowup||t==gi.arrowdown}(n)?!function(t){return pi(t)==Vh}(e)?n===gi.enter&&(r=this._handleEnterKey(e.shiftKey)):r=this._selectAllNestedEditableContent()||this._selectAllContent():r=this._handleArrowKeys(i),r&&(e.preventDefault(),t.stop())}_handleDelete(t){if(this.editor.isReadOnly)return;const e=this.editor.model.document.selection;if(!e.isCollapsed)return;const n=this._getObjectElementNextToSelection(t);return n?(this.editor.model.change(t=>{let o=e.anchor.parent;for(;o.isEmpty;){const e=o;o=e.parent,t.remove(e)}this._setSelectionOverElement(n)}),!0):void 0}_handleArrowKeys(t){const e=this.editor.model,n=e.schema,o=e.document.selection,i=o.getSelectedElement();if(i&&n.isObject(i)){const i=t?o.getLastPosition():o.getFirstPosition(),r=n.getNearestSelectionRange(i,t?"forward":"backward");return r&&e.change(t=>{t.setSelection(r)}),!0}if(!o.isCollapsed)return;const r=this._getObjectElementNextToSelection(t);return r&&n.isObject(r)?(this._setSelectionOverElement(r),!0):void 0}_handleEnterKey(t){const e=this.editor.model,n=e.document.selection.getSelectedElement();if(o=n,i=e.schema,o&&i.isObject(o)&&!i.isInline(o))return e.change(o=>{let i=o.createPositionAt(n,t?"before":"after");const r=o.createElement("paragraph");if(e.schema.isBlock(n.parent)){const t=e.schema.findAllowedParent(i,r);i=o.split(i,t).position}o.insert(r,i),o.setSelection(r,"in")}),!0;var o,i}_selectAllNestedEditableContent(){const t=this.editor.model,e=t.document.selection,n=t.schema.getLimitElement(e);return e.getFirstRange().root!=n&&(t.change(t=>{t.setSelection(t.createRangeIn(n))}),!0)}_selectAllContent(){const t=this.editor.model,e=this.editor.editing,n=e.view.document.selection.getSelectedElement();if(n&&Mu(n)){const o=e.mapper.toModelElement(n.parent);return t.change(t=>{t.setSelection(t.createRangeIn(o))}),!0}return!1}_setSelectionOverElement(t){this.editor.model.change(e=>{e.setSelection(e.createRangeOn(t))})}_getObjectElementNextToSelection(t){const e=this.editor.model,n=e.schema,o=e.document.selection,i=e.createSelection(o);e.modifySelection(i,{direction:t?"forward":"backward"});const r=t?i.focus.nodeBefore:i.focus.nodeAfter;return r&&n.isObject(r)?r:null}_clearPreviouslySelectedWidgets(t){for(const e of this._previouslySelected)t.removeClass("ck-widget_selected",e);this._previouslySelected.clear()}}function Bh(t,e){return!!e&&Array.from(t.getAncestors()).includes(e)}class Fh extends Kl{refresh(){const t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=Lu(t),Lu(t)&&t.hasAttribute("alt")?this.value=t.getAttribute("alt"):this.value=!1}execute(t){const e=this.editor.model,n=e.document.selection.getSelectedElement();e.change(e=>{e.setAttribute("alt",t.newValue,n)})}}class Uh extends ql{static get pluginName(){return"ImageTextAlternativeEditing"}init(){this.editor.commands.add("imageTextAlternative",new Fh(this.editor))}}n(49);class Hh extends rl{constructor(t,e){super(t);const n=`ck-input-${dn()}`,o=`ck-status-${dn()}`;this.set("label"),this.set("value"),this.set("isReadOnly",!1),this.set("errorText",null),this.set("infoText",null),this.labelView=this._createLabelView(n),this.inputView=this._createInputView(e,n,o),this.statusView=this._createStatusView(o),this.bind("_statusText").to(this,"errorText",this,"infoText",(t,e)=>t||e);const i=this.bindTemplate;this.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-input",i.if("isReadOnly","ck-disabled")]},children:[this.labelView,this.inputView,this.statusView]})}_createLabelView(t){const e=new ll(this.locale);return e.for=t,e.bind("text").to(this,"label"),e}_createInputView(t,e,n){const o=new t(this.locale,n);return o.id=e,o.ariaDescribedById=n,o.bind("value").to(this),o.bind("isReadOnly").to(this),o.bind("hasError").to(this,"errorText",t=>!!t),o.on("input",()=>{this.errorText=null}),o}_createStatusView(t){const e=new rl(this.locale),n=this.bindTemplate;return e.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-input__status",n.if("errorText","ck-labeled-input__status_error"),n.if("_statusText","ck-hidden",t=>!t)],id:t,role:n.if("errorText","alert")},children:[{text:n.to("_statusText")}]}),e}select(){this.inputView.select()}focus(){this.inputView.focus()}}n(51);class qh 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,n,o)=>{t(o)})}select(){this.element.select()}focus(){this.element.focus()}}function Wh({view:t}){t.listenTo(t.element,"submit",(e,n)=>{n.preventDefault(),t.fire("submit")},{useCapture:!0})}var $h='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M6.972 16.615a.997.997 0 0 1-.744-.292l-4.596-4.596a1 1 0 1 1 1.414-1.414l3.926 3.926 9.937-9.937a1 1 0 0 1 1.414 1.415L7.717 16.323a.997.997 0 0 1-.745.292z"/></svg>',Yh='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.591 10.177l4.243 4.242a1 1 0 0 1-1.415 1.415l-4.242-4.243-4.243 4.243a1 1 0 0 1-1.414-1.415l4.243-4.242L4.52 5.934A1 1 0 0 1 5.934 4.52l4.243 4.243 4.242-4.243a1 1 0 1 1 1.415 1.414l-4.243 4.243z"/></svg>';n(53);class Gh extends rl{constructor(t){super(t);const e=this.locale.t;this.focusTracker=new Ec,this.keystrokes=new vc,this.labeledInput=this._createLabeledInputView(),this.saveButtonView=this._createButton(e("bm"),$h,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(e("bn"),Yh,"ck-button-cancel","cancel"),this._focusables=new zc,this._focusCycler=new pl({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),Wh({view:this}),[this.labeledInput,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)})}_createButton(t,e,n,o){const i=new Sl(this.locale);return i.set({label:t,icon:e,tooltip:!0}),i.extendTemplate({attributes:{class:n}}),o&&i.delegate("execute").to(this,o),i}_createLabeledInputView(){const t=this.locale.t,e=new Hh(this.locale,qh);return e.label=t("cb"),e.inputView.placeholder=t("cb"),e}}n(55);const Qh=fl("px"),Kh=Xi.document.body;class Jh 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",Qh),left:e.to("left",Qh)}},children:this.content})}show(){this.isVisible=!0}hide(){this.isVisible=!1}attachTo(t){this.show();const e=Jh.defaultPositions,n=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:Kh,fitInViewport:!0},t),o=Jh._getOptimalPosition(n),i=parseInt(o.left),r=parseInt(o.top),s=o.name;Object.assign(this,{top:r,left:i,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=Zh(t.target),n=t.limiter?Zh(t.limiter):Kh;this.listenTo(Xi.document,"scroll",(o,i)=>{const r=i.target,s=e&&r.contains(e),a=n&&r.contains(n);!s&&!a&&e&&n||this.attachTo(t)},{useCapture:!0}),this.listenTo(Xi.window,"resize",()=>{this.attachTo(t)})}_stopPinning(){this.stopListening(Xi.document,"scroll"),this.stopListening(Xi.window,"resize")}}function Zh(t){return nn(t)?t:Qr(t)?t.commonAncestorContainer:"function"==typeof t?Zh(t()):null}function Xh(t,e){return t.top-e.height-Jh.arrowVerticalOffset}function tf(t){return t.bottom+Jh.arrowVerticalOffset}Jh.arrowHorizontalOffset=25,Jh.arrowVerticalOffset=10,Jh._getOptimalPosition=yl,Jh.defaultPositions={northWestArrowSouthWest:(t,e)=>({top:Xh(t,e),left:t.left-Jh.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouthMiddleWest:(t,e)=>({top:Xh(t,e),left:t.left-.25*e.width-Jh.arrowHorizontalOffset,name:"arrow_smw"}),northWestArrowSouth:(t,e)=>({top:Xh(t,e),left:t.left-e.width/2,name:"arrow_s"}),northWestArrowSouthMiddleEast:(t,e)=>({top:Xh(t,e),left:t.left-.75*e.width+Jh.arrowHorizontalOffset,name:"arrow_sme"}),northWestArrowSouthEast:(t,e)=>({top:Xh(t,e),left:t.left-e.width+Jh.arrowHorizontalOffset,name:"arrow_se"}),northArrowSouthWest:(t,e)=>({top:Xh(t,e),left:t.left+t.width/2-Jh.arrowHorizontalOffset,name:"arrow_sw"}),northArrowSouthMiddleWest:(t,e)=>({top:Xh(t,e),left:t.left+t.width/2-.25*e.width-Jh.arrowHorizontalOffset,name:"arrow_smw"}),northArrowSouth:(t,e)=>({top:Xh(t,e),left:t.left+t.width/2-e.width/2,name:"arrow_s"}),northArrowSouthMiddleEast:(t,e)=>({top:Xh(t,e),left:t.left+t.width/2-.75*e.width+Jh.arrowHorizontalOffset,name:"arrow_sme"}),northArrowSouthEast:(t,e)=>({top:Xh(t,e),left:t.left+t.width/2-e.width+Jh.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouthWest:(t,e)=>({top:Xh(t,e),left:t.right-Jh.arrowHorizontalOffset,name:"arrow_sw"}),northEastArrowSouthMiddleWest:(t,e)=>({top:Xh(t,e),left:t.right-.25*e.width-Jh.arrowHorizontalOffset,name:"arrow_smw"}),northEastArrowSouth:(t,e)=>({top:Xh(t,e),left:t.right-e.width/2,name:"arrow_s"}),northEastArrowSouthMiddleEast:(t,e)=>({top:Xh(t,e),left:t.right-.75*e.width+Jh.arrowHorizontalOffset,name:"arrow_sme"}),northEastArrowSouthEast:(t,e)=>({top:Xh(t,e),left:t.right-e.width+Jh.arrowHorizontalOffset,name:"arrow_se"}),southWestArrowNorthWest:(t,e)=>({top:tf(t),left:t.left-Jh.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorthMiddleWest:(t,e)=>({top:tf(t),left:t.left-.25*e.width-Jh.arrowHorizontalOffset,name:"arrow_nmw"}),southWestArrowNorth:(t,e)=>({top:tf(t),left:t.left-e.width/2,name:"arrow_n"}),southWestArrowNorthMiddleEast:(t,e)=>({top:tf(t),left:t.left-.75*e.width+Jh.arrowHorizontalOffset,name:"arrow_nme"}),southWestArrowNorthEast:(t,e)=>({top:tf(t),left:t.left-e.width+Jh.arrowHorizontalOffset,name:"arrow_ne"}),southArrowNorthWest:(t,e)=>({top:tf(t),left:t.left+t.width/2-Jh.arrowHorizontalOffset,name:"arrow_nw"}),southArrowNorthMiddleWest:(t,e)=>({top:tf(t),left:t.left+t.width/2-.25*e.width-Jh.arrowHorizontalOffset,name:"arrow_nmw"}),southArrowNorth:(t,e)=>({top:tf(t),left:t.left+t.width/2-e.width/2,name:"arrow_n"}),southArrowNorthMiddleEast:(t,e)=>({top:tf(t),left:t.left+t.width/2-.75*e.width+Jh.arrowHorizontalOffset,name:"arrow_nme"}),southArrowNorthEast:(t,e)=>({top:tf(t),left:t.left+t.width/2-e.width+Jh.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorthWest:(t,e)=>({top:tf(t),left:t.right-Jh.arrowHorizontalOffset,name:"arrow_nw"}),southEastArrowNorthMiddleWest:(t,e)=>({top:tf(t),left:t.right-.25*e.width-Jh.arrowHorizontalOffset,name:"arrow_nmw"}),southEastArrowNorth:(t,e)=>({top:tf(t),left:t.right-e.width/2,name:"arrow_n"}),southEastArrowNorthMiddleEast:(t,e)=>({top:tf(t),left:t.right-.75*e.width+Jh.arrowHorizontalOffset,name:"arrow_nme"}),southEastArrowNorthEast:(t,e)=>({top:tf(t),left:t.right-e.width+Jh.arrowHorizontalOffset,name:"arrow_ne"})};n(57),n(59);const ef=fl("px");class nf extends ql{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 Jh(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 hn.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 n=this._idToStack.get(e);t.singleViewMode&&this.showStack(e),n.set(t.view,t),this._viewToStack.set(t.view,n),n===this._visibleStack&&this._showView(t)}remove(t){if(!this.hasView(t))throw new hn.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 hn.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 of(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,n)=>{if(n<2)return"";const o=Array.from(this._idToStack.values()).indexOf(this._visibleStack)+1;return e("bx",[o,n])}),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 rf(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:n=!0,singleViewMode:o=!1}){this.view.class=e,this.view.withArrow=n,this._rotatorView.showView(t),this.visibleView=t,this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition(),o&&(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 of extends rl{constructor(t){super(t);const e=t.t,n=this.bindTemplate;this.set("isNavigationVisible",!0),this.focusTracker=new Ec,this.buttonPrevView=this._createButtonView(e("by"),'<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("bz"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M8.537 14.813a.888.888 0 1 1-1.254-1.255L10.84 10 7.283 6.442a.888.888 0 1 1 1.254-1.255L12.74 9.39a.888.888 0 0 1-.16 1.382l-4.043 4.042z"/></svg>'),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-rotator"],"z-index":"-1"},children:[{tag:"div",attributes:{class:["ck-balloon-rotator__navigation",n.to("isNavigationVisible",t=>t?"":"ck-hidden")]},children:[this.buttonPrevView,{tag:"span",attributes:{class:["ck-balloon-rotator__counter"]},children:[{text:n.to("counter")}]},this.buttonNextView]},{tag:"div",attributes:{class:"ck-balloon-rotator__content"},children:this.content}]})}render(){super.render(),this.focusTracker.add(this.element)}showView(t){this.hideView(),this.content.add(t)}hideView(){this.content.clear()}_createButtonView(t,e){const n=new Sl(this.locale);return n.set({label:t,icon:e,tooltip:!0}),n}}class rf extends rl{constructor(t,e){super(t);const n=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("height",0),this.set("width",0),this.set("numberOfPanels",0),this.content=this.createCollection(),this._balloonPanelView=e,this.setTemplate({tag:"div",attributes:{class:["ck-fake-panel",n.to("numberOfPanels",t=>t?"":"ck-hidden")],style:{top:n.to("top",ef),left:n.to("left",ef),width:n.to("width",ef),height:n.to("height",ef)}},children:this.content}),this.on("change:numberOfPanels",(t,e,n,o)=>{n>o?this._addPanels(n-o):this._removePanels(o-n),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:n,height:o}=new Zr(this._balloonPanelView.element);Object.assign(this,{top:t,left:e,width:n,height:o})}}}function sf(t){const e=t.editing.view,n=Jh.defaultPositions;return{target:e.domConverter.viewToDom(e.document.selection.getSelectedElement()),positions:[n.northArrowSouth,n.northArrowSouthWest,n.northArrowSouthEast,n.southArrowNorth,n.southArrowNorthWest,n.southArrowNorthEast]}}class af extends ql{static get requires(){return[nf]}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",n=>{const o=t.commands.get("imageTextAlternative"),i=new Sl(n);return i.set({label:e("bh"),icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M5.085 6.22L2.943 4.078a.75.75 0 1 1 1.06-1.06l2.592 2.59A11.094 11.094 0 0 1 10 5.068c4.738 0 8.578 3.101 8.578 5.083 0 1.197-1.401 2.803-3.555 3.887l1.714 1.713a.75.75 0 0 1-.09 1.138.488.488 0 0 1-.15.084.75.75 0 0 1-.821-.16L6.17 7.304c-.258.11-.51.233-.757.365l6.239 6.24-.006.005.78.78c-.388.094-.78.166-1.174.215l-1.11-1.11h.011L4.55 8.197a7.2 7.2 0 0 0-.665.514l-.112.098 4.897 4.897-.005.006 1.276 1.276a10.164 10.164 0 0 1-1.477-.117l-.479-.479-.009.009-4.863-4.863-.022.031a2.563 2.563 0 0 0-.124.2c-.043.077-.08.158-.108.241a.534.534 0 0 0-.028.133.29.29 0 0 0 .008.072.927.927 0 0 0 .082.226c.067.133.145.26.234.379l3.242 3.365.025.01.59.623c-3.265-.918-5.59-3.155-5.59-4.668 0-1.194 1.448-2.838 3.663-3.93zm7.07.531a4.632 4.632 0 0 1 1.108 5.992l.345.344.046-.018a9.313 9.313 0 0 0 2-1.112c.256-.187.5-.392.727-.613.137-.134.27-.277.392-.431.072-.091.141-.185.203-.286.057-.093.107-.19.148-.292a.72.72 0 0 0 .036-.12.29.29 0 0 0 .008-.072.492.492 0 0 0-.028-.133.999.999 0 0 0-.036-.096 2.165 2.165 0 0 0-.071-.145 2.917 2.917 0 0 0-.125-.2 3.592 3.592 0 0 0-.263-.335 5.444 5.444 0 0 0-.53-.523 7.955 7.955 0 0 0-1.054-.768 9.766 9.766 0 0 0-1.879-.891c-.337-.118-.68-.219-1.027-.301zm-2.85.21l-.069.002a.508.508 0 0 0-.254.097.496.496 0 0 0-.104.679.498.498 0 0 0 .326.199l.045.005c.091.003.181.003.272.012a2.45 2.45 0 0 1 2.017 1.513c.024.061.043.125.069.185a.494.494 0 0 0 .45.287h.008a.496.496 0 0 0 .35-.158.482.482 0 0 0 .13-.335.638.638 0 0 0-.048-.219 3.379 3.379 0 0 0-.36-.723 3.438 3.438 0 0 0-2.791-1.543l-.028-.001h-.013z"/></svg>',tooltip:!0}),i.bind("isEnabled").to(o,"isEnabled"),this.listenTo(i,"execute",()=>{this._showForm()}),i})}_createForm(){const t=this.editor,e=t.editing.view.document;this._balloon=this.editor.plugins.get("ContextualBalloon"),this._form=new Gh(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",()=>{Du(e.selection)?this._isVisible&&function(t){const e=t.plugins.get("ContextualBalloon");if(Du(t.editing.view.document.selection)){const n=sf(t);e.updatePosition(n)}}(t):this._hideForm(!0)}),Rl({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"),n=this._form.labeledInput;this._isInBalloon||this._balloon.add({view:this._form,position:sf(t)}),n.value=n.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 cf extends ql{static get requires(){return[Uh,af]}static get pluginName(){return"ImageTextAlternative"}}n(61);class lf extends ql{static get requires(){return[Uu,zh,cf]}static get pluginName(){return"Image"}}class df extends rl{constructor(t){super(t),this.buttonView=new Sl(t),this._fileInputView=new uf(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 uf 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 hf(t){const e=t.map(t=>t.replace("+","\\+"));return new RegExp(`^image\\/(${e.join("|")})$`)}function ff(t){return new Promise((e,n)=>{const o=t.getAttribute("src");fetch(o).then(t=>t.blob()).then(t=>{const i=function(t,e){return t.type?t.type:e.match(/data:(image\/\w+);base64/)?e.match(/data:(image\/\w+);base64/)[1].toLowerCase():"image/jpeg"}(t,o),r=function(t,e,n){try{return new File([t],e,{type:n})}catch(t){return null}}(t,`image.${i.replace("image/","")}`,i);r?e(r):n()}).catch(n)})}class mf extends ql{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("imageUpload",n=>{const o=new df(n),i=t.commands.get("imageUpload"),r=t.config.get("image.upload.types"),s=hf(r);return o.set({acceptedType:r.map(t=>`image/${t}`).join(","),allowMultipleFiles:!0}),o.buttonView.set({label:e("x"),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}),o.buttonView.bind("isEnabled").to(i),o.on("done",(e,n)=>{const o=Array.from(n).filter(t=>s.test(t.type));o.length&&t.execute("imageUpload",{file:o})}),o})}}n(63),n(65),n(67);class gf extends ql{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,n){const o=this.editor,i=e.item,r=i.getAttribute("uploadId");if(!n.consumable.consume(e.item,t.name))return;const s=o.plugins.get(qd),a=r?e.attributeNewValue:null,c=this.placeholder,l=o.editing.mapper.toViewElement(i),d=n.writer;if("reading"==a)return pf(l,d),void bf(c,l,d);if("uploading"==a){const t=s.loaders.get(r);return pf(l,d),void(t?(wf(l,d),function(t,e,n,o){const i=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"),i),n.on("change:uploadedPercent",(t,e,n)=>{o.change(t=>{t.setStyle("width",n+"%",i)})})}(l,d,t,o.editing.view),function(t,e,n){if(n.data){const o=zu(t);e.setAttribute("src",n.data,o)}}(l,d,t)):bf(c,l,d))}"complete"==a&&s.loaders.get(r)&&!hi.isEdge&&function(t,e,n){const o=e.createUIElement("div",{class:"ck-image-upload-complete-icon"});e.insert(e.createPositionAt(t,"end"),o),setTimeout(()=>{n.change(t=>t.remove(t.createRangeOn(o)))},3e3)}(l,d,o.editing.view),function(t,e){_f(t,e,"progressBar")}(l,d),wf(l,d),function(t,e){e.removeClass("ck-appear",t)}(l,d)}}function pf(t,e){t.hasClass("ck-appear")||e.addClass("ck-appear",t)}function bf(t,e,n){e.hasClass("ck-image-upload-placeholder")||n.addClass("ck-image-upload-placeholder",e);const o=zu(e);o.getAttribute("src")!==t&&n.setAttribute("src",t,o),kf(e,"placeholder")||n.insert(n.createPositionAfter(o),function(t){const e=t.createUIElement("div",{class:"ck-upload-placeholder-loader"});return t.setCustomProperty("placeholder",!0,e),e}(n))}function wf(t,e){t.hasClass("ck-image-upload-placeholder")&&e.removeClass("ck-image-upload-placeholder",t),_f(t,e,"placeholder")}function kf(t,e){for(const n of t.getChildren())if(n.getCustomProperty(e))return n}function _f(t,e,n){const o=kf(t,n);o&&e.remove(e.createRangeOn(o))}class vf{constructor(t){this.document=t}createDocumentFragment(t){return new xi(this.document,t)}createElement(t,e,n){return new Ro(this.document,t,e,n)}createText(t){return new On(this.document,t)}clone(t,e=!1){return t._clone(e)}appendChild(t,e){return e._appendChild(t)}insertChild(t,e,n){return n._insertChild(t,e)}removeChildren(t,e,n){return n._removeChildren(t,e)}remove(t){const e=t.parent;return e?this.removeChildren(e.getChildIndex(t),1,e):[]}replace(t,e){const n=t.parent;if(n){const o=n.getChildIndex(t);return this.removeChildren(o,1,n),this.insertChild(o,e,n),!0}return!1}unwrapElement(t){const e=t.parent;if(e){const n=e.getChildIndex(t);this.remove(t),this.insertChild(n,t.getChildren(),e)}}rename(t,e){const n=new Ro(this.document,t,e.getAttributes(),e.getChildren());return this.replace(e,n)?n:null}setAttribute(t,e,n){n._setAttribute(t,e)}removeAttribute(t,e){e._removeAttribute(t)}addClass(t,e){e._addClass(t)}removeClass(t,e){e._removeClass(t)}setStyle(t,e,n){y(t)&&void 0===n&&(n=e),n._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,n){n._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}createPositionAt(t,e){return Xo._createAt(t,e)}createPositionAfter(t){return Xo._createAfter(t)}createPositionBefore(t){return Xo._createBefore(t)}createRange(t,e){return new ti(t,e)}createRangeOn(t){return ti._createOn(t)}createRangeIn(t){return ti._createIn(t)}createSelection(t,e,n){return new oi(t,e,n)}}class yf extends Kl{refresh(){this.isEnabled=Vu(this.editor.model)}execute(t){const e=this.editor,n=e.model,o=e.plugins.get(qd);n.change(e=>{const i=Array.isArray(t.file)?t.file:[t.file];for(const t of i)xf(e,n,o,t)})}}function xf(t,e,n,o){const i=n.createLoader(o);i&&ju(t,e,{uploadId:i.id})}class Af extends ql{static get requires(){return[qd,Ch,Ql]}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,n=t.model.schema,o=t.conversion,i=t.plugins.get(qd),r=hf(t.config.get("image.upload.types"));n.extend("image",{allowAttributes:["uploadId","uploadStatus"]}),t.commands.add("imageUpload",new yf(t)),o.for("upcast").attributeToAttribute({view:{name:"img",key:"uploadId"},model:"uploadId"}),this.listenTo(t.editing.view.document,"clipboardInput",(e,n)=>{if(o=n.dataTransfer,Array.from(o.types).includes("text/html")&&""!==o.getData("text/html"))return;var o;const i=Array.from(n.dataTransfer.files).filter(t=>!!t&&r.test(t.type)),s=n.targetRanges.map(e=>t.editing.mapper.toModelRange(e));t.model.change(n=>{n.setSelection(s),i.length&&(e.stop(),t.model.enqueueChange("default",()=>{t.execute("imageUpload",{file:i})}))})}),this.listenTo(t.plugins.get(Ql),"inputTransformation",(e,n)=>{const o=Array.from(t.editing.view.createRangeIn(n.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:ff(t.item),imageElement:t.item}));if(!o.length)return;const r=new vf(t.editing.view.document);for(const t of o){r.setAttribute("uploadProcessed",!0,t.imageElement);const e=i.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 n=e.differ.getChanges({includeChangesInGraveyard:!0});for(const e of n)if("insert"==e.type&&"$text"!=e.name){const n=e.position.nodeAfter,o="$graveyard"==e.position.root.rootName;for(const e of Cf(t,n)){const t=e.getAttribute("uploadId");if(!t)continue;const n=i.loaders.get(t);n&&(o?n.abort():"idle"==n.status&&this._readAndUpload(n,e))}}})}_readAndUpload(t,e){const n=this.editor,o=n.model,i=n.locale.t,r=n.plugins.get(qd),s=n.plugins.get(Ch);return o.enqueueChange("transparent",t=>{t.setAttribute("uploadStatus","reading",e)}),t.read().then(()=>{const i=t.upload();if(hi.isSafari){const t=zu(n.editing.mapper.toViewElement(e));n.editing.view.once("render",()=>{if(!t.parent)return;const e=n.editing.view.domConverter.mapViewToDom(t.parent);if(!e)return;const o=e.style.display;e.style.display="none",e._ckHack=e.offsetHeight,e.style.display=o})}return o.enqueueChange("transparent",t=>{t.setAttribute("uploadStatus","uploading",e)}),i}).then(t=>{o.enqueueChange("transparent",n=>{n.setAttributes({uploadStatus:"complete",src:t.default},e),this._parseAndSetSrcsetAttributeOnImage(t,e,n)}),a()}).catch(n=>{if("error"!==t.status&&"aborted"!==t.status)throw n;"error"==t.status&&n&&s.showWarning(n,{title:i("z"),namespace:"upload"}),a(),o.enqueueChange("transparent",t=>{t.remove(e)})});function a(){o.enqueueChange("transparent",t=>{t.removeAttribute("uploadId",e),t.removeAttribute("uploadStatus",e)}),r.destroyLoader(t)}}_parseAndSetSrcsetAttributeOnImage(t,e,n){let o=0;const i=Object.keys(t).filter(t=>{const e=parseInt(t,10);if(!isNaN(e))return o=Math.max(o,e),!0}).map(e=>`${t[e]} ${e}w`).join(", ");""!=i&&n.setAttribute("srcset",{data:i,width:o},e)}}function Cf(t,e){return Array.from(t.model.createRangeOn(e)).filter(t=>t.item.is("image")).map(t=>t.item)}class Tf extends ql{static get pluginName(){return"ImageUpload"}static get requires(){return[Af,mf,gf]}}class Pf extends Kl{constructor(t,e){super(t),this.attributeKey=e}refresh(){const t=this.editor.model,e=t.document;this.value=e.selection.getAttribute(this.attributeKey),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model,n=e.document.selection,o=t.value;e.change(t=>{if(n.isCollapsed)o?t.setSelectionAttribute(this.attributeKey,o):t.removeSelectionAttribute(this.attributeKey);else{const i=e.schema.getValidRanges(n.getRanges(),this.attributeKey);for(const e of i)o?t.setAttribute(this.attributeKey,o,e):t.removeAttribute(this.attributeKey,e)}})}}class Sf extends Sl{constructor(t){super(t);const e=this.bindTemplate;this.set("color"),this.set("hasBorder"),this.icon='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path class="ck-icon__fill" d="M16.935 5.328a2 2 0 0 1 0 2.829l-7.778 7.778a2 2 0 0 1-2.829 0L3.5 13.107a1.999 1.999 0 1 1 2.828-2.829l.707.707a1 1 0 0 0 1.414 0l5.658-5.657a2 2 0 0 1 2.828 0z"/><path d="M14.814 6.035L8.448 12.4a1 1 0 0 1-1.414 0l-1.413-1.415A1 1 0 1 0 4.207 12.4l2.829 2.829a1 1 0 0 0 1.414 0l7.778-7.778a1 1 0 1 0-1.414-1.415z"/></svg>',this.extendTemplate({attributes:{style:{backgroundColor:e.to("color")},class:["ck","ck-color-grid__tile",e.if("hasBorder","ck-color-table__color-tile_bordered")]}})}render(){super.render(),this.iconView.fillColor="hsl(0, 0%, 100%)"}}n(69);class Mf extends rl{constructor(t,e){super(t);const n=e&&e.colorDefinitions||[],o={};e&&e.columns&&(o.gridTemplateColumns=`repeat( ${e.columns}, 1fr)`),this.set("selectedColor"),this.items=this.createCollection(),this.focusTracker=new Ec,this.keystrokes=new vc,this._focusCycler=new pl({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowleft",focusNext:"arrowright"}}),this.items.on("add",(t,e)=>{e.isOn=e.color===this.selectedColor}),n.forEach(t=>{const e=new Sf;e.set({color:t.color,label:t.label,tooltip:!0,hasBorder:t.options.hasBorder}),e.on("execute",()=>{this.fire("execute",{value:t.color,hasBorder:t.options.hasBorder,label:t.label})}),this.items.add(e)}),this.setTemplate({tag:"div",children:this.items,attributes:{class:["ck","ck-color-grid"],style:o}}),this.on("change:selectedColor",(t,e,n)=>{for(const t of this.items)t.isOn=t.color===n})}focus(){this.items.length&&this.items.first.focus()}focusLast(){this.items.length&&this.items.last.focus()}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)}}class Ef extends xn{constructor(t){super(t),this.set("isEmpty",!0)}add(t,e){this.find(e=>e.color===t.color)||(super.add(t,e),this.set("isEmpty",!1))}remove(t){const e=super.remove(t);return 0===this.length&&this.set("isEmpty",!0),e}hasColor(t){return!!this.find(e=>e.color===t)}}yn(Ef,Ho);n(71);class If extends rl{constructor(t,{colors:e,columns:n,removeButtonLabel:o,documentColorsLabel:i,documentColorsCount:r}){super(t),this.items=this.createCollection(),this.colorDefinitions=e,this.focusTracker=new Ec,this.keystrokes=new vc,this.set("selectedColor"),this.removeButtonLabel=o,this.columns=n,this.documentColors=new Ef,this.documentColorsCount=r,this._focusCycler=new pl({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowup",focusNext:"arrowdown"}}),this._documentColorsLabel=i,this.setTemplate({tag:"div",attributes:{class:["ck","ck-color-table"]},children:this.items}),this.items.add(this._removeColorButton())}updateDocumentColors(t,e){const n=t.document,o=this.documentColorsCount;this.documentColors.clear();for(const i of n.getRootNames()){const r=n.getRoot(i),s=t.createRangeIn(r);for(const t of s.getItems())if(t.is("textProxy")&&t.hasAttribute(e)&&(this._addColorToDocumentColors(t.getAttribute(e)),this.documentColors.length>=o))return}}updateSelectedColors(){const t=this.documentColorsGrid,e=this.staticColorsGrid,n=this.selectedColor;e.selectedColor=n,t&&(t.selectedColor=n)}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.keystrokes.listenTo(this.element)}appendGrids(){if(!this.staticColorsGrid&&(this.staticColorsGrid=this._createStaticColorsGrid(),this.items.add(this.staticColorsGrid),this.documentColorsCount)){const t=Bc.bind(this.documentColors,this.documentColors),e=new ll(this.locale);e.text=this._documentColorsLabel,e.extendTemplate({attributes:{class:["ck","ck-color-grid__label",t.if("isEmpty","ck-hidden")]}}),this.items.add(e),this.documentColorsGrid=this._createDocumentColorsGrid(),this.items.add(this.documentColorsGrid)}}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}_removeColorButton(){const t=new Sl;return t.set({withText:!0,icon:'<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>',tooltip:!0,label:this.removeButtonLabel}),t.class="ck-color-table__remove-color",t.on("execute",()=>{this.fire("execute",{value:null})}),t}_createStaticColorsGrid(){const t=new Mf(this.locale,{colorDefinitions:this.colorDefinitions,columns:this.columns});return t.delegate("execute").to(this),t}_createDocumentColorsGrid(){const t=Bc.bind(this.documentColors,this.documentColors),e=new Mf(this.locale,{columns:this.columns});return e.delegate("execute").to(this),e.extendTemplate({attributes:{class:t.if("isEmpty","ck-hidden")}}),e.items.bindTo(this.documentColors).using(t=>{const e=new Sf;return e.set({color:t.color,hasBorder:t.options&&t.options.hasBorder}),t.label&&e.set({label:t.label,tooltip:!0}),e.on("execute",()=>{this.fire("execute",{value:t.color})}),e}),this.documentColors.on("change:isEmpty",(t,n,o)=>{o&&(e.selectedColor=null)}),e}_addColorToDocumentColors(t){const e=this.colorDefinitions.find(e=>e.color===t);e?this.documentColors.add(Object.assign({},e)):this.documentColors.add({color:t,label:t,options:{hasBorder:!1}})}}function Nf(t){return(e,n)=>n.createAttributeElement("span",{style:`${t}:${e}`},{priority:7})}class Of extends Pf{constructor(t){super(t,"fontColor")}}class Rf extends ql{static get pluginName(){return"FontColorEditing"}constructor(t){var e;super(t),t.config.define("fontColor",{colors:[{color:"hsl(0, 0%, 0%)",label:"Black"},{color:"hsl(0, 0%, 30%)",label:"Dim grey"},{color:"hsl(0, 0%, 60%)",label:"Grey"},{color:"hsl(0, 0%, 90%)",label:"Light grey"},{color:"hsl(0, 0%, 100%)",label:"White",hasBorder:!0},{color:"hsl(0, 75%, 60%)",label:"Red"},{color:"hsl(30, 75%, 60%)",label:"Orange"},{color:"hsl(60, 75%, 60%)",label:"Yellow"},{color:"hsl(90, 75%, 60%)",label:"Light green"},{color:"hsl(120, 75%, 60%)",label:"Green"},{color:"hsl(150, 75%, 60%)",label:"Aquamarine"},{color:"hsl(180, 75%, 60%)",label:"Turquoise"},{color:"hsl(210, 75%, 60%)",label:"Light blue"},{color:"hsl(240, 75%, 60%)",label:"Blue"},{color:"hsl(270, 75%, 60%)",label:"Purple"}],columns:5}),t.conversion.for("upcast").elementToAttribute({view:{name:"span",styles:{color:/[\s\S]+/}},model:{key:"fontColor",value:(e="color",t=>t.getStyle(e).replace(/\s/g,""))}}),t.conversion.for("downcast").attributeToElement({model:"fontColor",view:Nf("color")}),t.commands.add("fontColor",new Of(t)),t.model.schema.extend("$text",{allowAttributes:"fontColor"}),t.model.schema.setAttributeProperties("fontColor",{isFormatting:!0,copyOnEnter:!0})}}function Df(t){return"string"==typeof t?{model:t.replace(/ /g,""),label:t,hasBorder:!1,view:{name:"span",styles:{color:t}}}:{model:t.color.replace(/ /g,""),label:t.label||t.color,hasBorder:void 0!==t.hasBorder&&t.hasBorder,view:{name:"span",styles:{color:`${t.color}`}}}}class Lf extends ql{constructor(t,{commandName:e,icon:n,componentName:o,dropdownLabel:i}){super(t),this.commandName=e,this.componentName=o,this.icon=n,this.dropdownLabel=i,this.columns=t.config.get(`${this.componentName}.columns`),this.colorTableView}init(){const t=this.editor,e=t.locale,n=e.t,o=t.commands.get(this.commandName);const i=function(t,e){const n=t.t,o={Black:n("cc"),"Dim grey":n("cd"),Grey:n("ce"),"Light grey":n("cf"),White:n("cg"),Red:n("ch"),Orange:n("ci"),Yellow:n("cj"),"Light green":n("ck"),Green:n("cl"),Aquamarine:n("cm"),Turquoise:n("cn"),"Light blue":n("co"),Blue:n("cp"),Purple:n("cq")};return e.map(t=>{const e=o[t.label];return e&&e!=t.label&&(t.label=e),t})}(e,t.config.get(this.componentName).colors.map(Df).filter(t=>!!t)),r=t.config.get(`${this.componentName}.documentColors`);t.ui.componentFactory.add(this.componentName,e=>{const s=Dl(e);return this.colorTableView=function({dropdownView:t,colors:e,columns:n,removeButtonLabel:o,documentColorsLabel:i,documentColorsCount:r}){const s=t.locale,a=new If(s,{colors:e,columns:n,removeButtonLabel:o,documentColorsLabel:i,documentColorsCount:r});return t.colorTableView=a,t.panelView.children.add(a),a.delegate("execute").to(t,"execute"),a}({dropdownView:s,colors:i.map(t=>({label:t.label,color:t.model,options:{hasBorder:t.hasBorder}})),columns:this.columns,removeButtonLabel:n("bk"),documentColorsLabel:0!==r?n("bl"):void 0,documentColorsCount:void 0===r?this.columns:r}),this.colorTableView.bind("selectedColor").to(o,"value"),s.buttonView.set({label:this.dropdownLabel,icon:this.icon,tooltip:!0}),s.extendTemplate({attributes:{class:"ck-color-ui-dropdown"}}),s.bind("isEnabled").to(o),s.on("execute",(e,n)=>{t.execute(this.commandName,n),t.editing.view.focus()}),s.on("change:isOpen",(e,n,o)=>{s.colorTableView.appendGrids(),o&&(0!==r&&this.colorTableView.updateDocumentColors(t.model,this.componentName),this.colorTableView.updateSelectedColors())}),s})}}class jf extends Lf{constructor(t){super(t,{commandName:"fontColor",componentName:"fontColor",icon:'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M12.4 10.3L10 4.5l-2.4 5.8h4.8zm.5 1.2H7.1L5.7 15H4.2l5-12h1.6l5 12h-1.5L13 11.5zm3.1 7H4a1 1 0 0 1 0-2h12a1 1 0 0 1 0 2z"/></svg>',dropdownLabel:(0,t.locale.t)("q")})}static get pluginName(){return"FontColorUI"}}class Vf extends Kl{refresh(){const t=this.editor.model,e=Qd(t.document.selection.getSelectedBlocks());this.value=!!e&&e.is("paragraph"),this.isEnabled=!!e&&zf(e,t.schema)}execute(t={}){const e=this.editor.model,n=e.document;e.change(o=>{const i=(t.selection||n.selection).getSelectedBlocks();for(const t of i)!t.is("paragraph")&&zf(t,e.schema)&&o.rename(t,"paragraph")})}}function zf(t,e){return e.checkChild(t.parent,"paragraph")&&!e.isObject(t)}class Bf extends ql{static get pluginName(){return"Paragraph"}init(){const t=this.editor,e=t.model,n=t.data;t.commands.add("paragraph",new Vf(t)),e.schema.register("paragraph",{inheritAllFrom:"$block"}),t.conversion.elementToElement({model:"paragraph",view:"p"}),t.conversion.for("upcast").elementToElement({model:(t,e)=>Bf.paragraphLikeElements.has(t.name)?t.isEmpty?null:e.createElement("paragraph"):null,converterPriority:"low"}),n.upcastDispatcher.on("element",(t,e,n)=>{n.consumable.test(e.viewItem,{name:e.viewItem.name})&&Uf(e.viewItem,e.modelCursor,n.schema)&&Object.assign(e,Ff(e.viewItem,e.modelCursor,n))},{priority:"low"}),n.upcastDispatcher.on("text",(t,e,n)=>{e.modelRange||Uf(e.viewItem,e.modelCursor,n.schema)&&Object.assign(e,Ff(e.viewItem,e.modelCursor,n))},{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 n of e.document.getRootNames()){const o=e.document.getRoot(n);if(o.isEmpty&&"$graveyard"!=o.rootName&&e.schema.checkChild(o,"paragraph"))return t.insertElement("paragraph",o),!0}}}function Ff(t,e,n){const o=n.writer.createElement("paragraph");return n.writer.insert(o,e),n.convertItem(t,n.writer.createPositionAt(o,0))}function Uf(t,e,n){const o=n.createContext(e);return!!n.checkChild(o,"paragraph")&&!!n.checkChild(o.push("paragraph"),t)}Bf.paragraphLikeElements=new Set(["blockquote","dd","div","dt","h1","h2","h3","h4","h5","h6","li","p","td"]);class Hf extends Kl{constructor(t,e){super(t),this.modelElements=e}refresh(){const t=Qd(this.editor.model.document.selection.getSelectedBlocks());this.value=!!t&&this.modelElements.includes(t.name)&&t.name,this.isEnabled=!!t&&this.modelElements.some(e=>qf(t,e,this.editor.model.schema))}execute(t){const e=this.editor.model,n=e.document,o=t.value;e.change(t=>{const i=Array.from(n.selection.getSelectedBlocks()).filter(t=>qf(t,o,e.schema));for(const e of i)e.is(o)||t.rename(e,o)})}}function qf(t,e,n){return n.checkChild(t.parent,e)&&!n.isObject(t)}class Wf extends ql{static get pluginName(){return"HeadingEditing"}constructor(t){super(t),t.config.define("heading",{options:[{model:"paragraph",title:"Paragraph",class:"ck-heading_paragraph"},{model:"heading1",view:"h2",title:"Heading 1",class:"ck-heading_heading1"},{model:"heading2",view:"h3",title:"Heading 2",class:"ck-heading_heading2"},{model:"heading3",view:"h4",title:"Heading 3",class:"ck-heading_heading3"}]})}static get requires(){return[Bf]}init(){const t=this.editor,e=t.config.get("heading.options"),n=[];for(const o of e)"paragraph"!==o.model&&(t.model.schema.register(o.model,{inheritAllFrom:"$block"}),t.conversion.elementToElement(o),n.push(o.model));this._addDefaultH1Conversion(t),t.commands.add("heading",new Hf(t,n))}afterInit(){const t=this.editor,e=t.commands.get("enter"),n=t.config.get("heading.options");e&&this.listenTo(e,"afterExecute",(e,o)=>{const i=t.model.document.selection.getFirstPosition().parent;n.some(t=>i.is(t.model))&&!i.is("paragraph")&&0===i.childCount&&o.writer.rename(i,"paragraph")})}_addDefaultH1Conversion(t){t.conversion.for("upcast").elementToElement({model:"heading1",view:"h1",converterPriority:un.get("low")+1})}}class $f{constructor(t,e){e&&Vo(this,e),t&&this.set(t)}}yn($f,Ho);n(11);class Yf extends ql{init(){const t=this.editor,e=t.t,n=function(t){const e=t.t,n={Paragraph:e("cw"),"Heading 1":e("cx"),"Heading 2":e("cy"),"Heading 3":e("cz"),"Heading 4":e("da"),"Heading 5":e("db"),"Heading 6":e("dc")};return t.config.get("heading.options").map(t=>{const e=n[t.title];return e&&e!=t.title&&(t.title=e),t})}(t),o=e("o"),i=e("p");t.ui.componentFactory.add("heading",e=>{const r={},s=new xn,a=t.commands.get("heading"),c=t.commands.get("paragraph"),l=[a];for(const t of n){const e={type:"button",model:new $f({label:t.title,class:t.class,withText:!0})};"paragraph"===t.model?(e.model.bind("isOn").to(c,"value"),e.model.set("commandName","paragraph"),l.push(c)):(e.model.bind("isOn").to(a,"value",e=>e===t.model),e.model.set({commandName:"heading",commandValue:t.model})),s.add(e),r[t.model]=t.title}const d=Dl(e);return jl(d,s),d.buttonView.set({isOn:!1,withText:!0,tooltip:i}),d.extendTemplate({attributes:{class:["ck-heading-dropdown"]}}),d.bind("isEnabled").toMany(l,"isEnabled",(...t)=>t.some(t=>t)),d.buttonView.bind("label").to(a,"value",c,"value",(t,e)=>{const n=t||e&&"paragraph";return r[n]?r[n]:o}),this.listenTo(d,"execute",e=>{t.execute(e.source.commandName,e.source.commandValue?{value:e.source.commandValue}:void 0),t.editing.view.focus()}),d})}}function Gf(t){for(const e of t.getChildren())if(e&&e.is("caption"))return e;return null}function Qf(t){const e=t.parent;return"figcaption"==t.name&&e&&"figure"==e.name&&e.hasClass("image")?{name:!0}:null}class Kf extends ql{static get pluginName(){return"ImageCaptionEditing"}init(){const t=this.editor,e=t.editing.view,n=t.model.schema,o=t.data,i=t.editing,r=t.t;n.register("caption",{allowIn:"image",allowContentOf:"$block",isLimit:!0}),t.model.document.registerPostFixer(t=>this._insertMissingModelCaptionElement(t)),t.conversion.for("upcast").elementToElement({view:Qf,model:"caption"});o.downcastDispatcher.on("insert:caption",Jf(t=>t.createContainerElement("figcaption"),!1));const s=function(t,e){return n=>{const o=n.createEditableElement("figcaption");return n.setCustomProperty("imageCaption",!0,o),Oc({view:t,element:o,text:e}),Nu(o,n)}}(e,r("y"));i.downcastDispatcher.on("insert:caption",Jf(s)),i.downcastDispatcher.on("insert",this._fixCaptionVisibility(t=>t.item),{priority:"high"}),i.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,n=this._lastSelectedCaption;let o;const i=this.editor.model.document.selection,r=i.getSelectedElement();if(r&&r.is("image")){const t=Gf(r);o=e.toViewElement(t)}const s=Zf(i.getFirstPosition().parent);if(s&&(o=e.toViewElement(s)),o)return n?(n===o||(Xf(n,t),this._lastSelectedCaption=o),tm(o,t)):(this._lastSelectedCaption=o,tm(o,t));if(n){const e=Xf(n,t);return this._lastSelectedCaption=null,e}return!1}_fixCaptionVisibility(t){return(e,n,o)=>{const i=Zf(t(n)),r=this.editor.editing.mapper,s=o.writer;if(i){const t=r.toViewElement(i);t&&(i.childCount?s.removeClass("ck-hidden",t):s.addClass("ck-hidden",t))}}}_insertMissingModelCaptionElement(t){const e=this.editor.model,n=e.document.differ.getChanges(),o=[];for(const t of n)if("insert"==t.type&&"$text"!=t.name){const n=t.position.nodeAfter;if(n.is("image")&&!Gf(n)&&o.push(n),!n.is("image")&&n.childCount)for(const t of e.createRangeIn(n).getItems())t.is("image")&&!Gf(t)&&o.push(t)}for(const e of o)t.appendElement("caption",e);return!!o.length}}function Jf(t,e=!0){return(n,o,i)=>{const r=o.item;if((r.childCount||e)&&Lu(r.parent)){if(!i.consumable.consume(o.item,"insert"))return;const e=i.mapper.toViewElement(o.range.start.parent),n=t(i.writer),s=i.writer;r.childCount||s.addClass("ck-hidden",n),function(t,e,n,o){const i=o.writer.createPositionAt(n,"end");o.writer.insert(i,t),o.mapper.bindElements(e,t)}(n,o.item,e,i)}}}function Zf(t){const e=t.getAncestors({includeSelf:!0}).find(t=>"caption"==t.name);return e&&e.parent&&"image"==e.parent.name?e:null}function Xf(t,e){return!t.childCount&&!t.hasClass("ck-hidden")&&(e.addClass("ck-hidden",t),!0)}function tm(t,e){return!!t.hasClass("ck-hidden")&&(e.removeClass("ck-hidden",t),!0)}n(74);class em extends Kl{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=Lu(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,n=this.editor.model,o=n.document.selection.getSelectedElement();n.change(t=>{this.styles[e].isDefault?t.removeAttribute("imageStyle",o):t.setAttribute("imageStyle",e,o)})}}function nm(t,e){for(const n of e)if(n.name===t)return n}var om='<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>',im='<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>',rm='<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>',sm='<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 am={full:{name:"full",title:"Full size image",icon:om,isDefault:!0},side:{name:"side",title:"Side image",icon:sm,className:"image-style-side"},alignLeft:{name:"alignLeft",title:"Left aligned image",icon:im,className:"image-style-align-left"},alignCenter:{name:"alignCenter",title:"Centered image",icon:rm,className:"image-style-align-center"},alignRight:{name:"alignRight",title:"Right aligned image",icon:sm,className:"image-style-align-right"}},cm={full:om,left:im,right:sm,center:rm};function lm(t=[]){return t.map(dm)}function dm(t){if("string"==typeof t){const e=t;am[e]?t=Object.assign({},am[e]):(console.warn(Object(hn.a)("image-style-not-found: There is no such image style of given name."),{name:e}),t={name:e})}else if(am[t.name]){const e=am[t.name],n=Object.assign({},t);for(const o in e)t.hasOwnProperty(o)||(n[o]=e[o]);t=n}return"string"==typeof t.icon&&cm[t.icon]&&(t.icon=cm[t.icon]),t}class um extends ql{static get pluginName(){return"ImageStyleEditing"}init(){const t=this.editor,e=t.model.schema,n=t.data,o=t.editing;t.config.define("image.styles",["full","side"]);const i=lm(t.config.get("image.styles"));e.extend("image",{allowAttributes:"imageStyle"});const r=function(t){return(e,n,o)=>{if(!o.consumable.consume(n.item,e.name))return;const i=nm(n.attributeNewValue,t),r=nm(n.attributeOldValue,t),s=o.mapper.toViewElement(n.item),a=o.writer;r&&a.removeClass(r.className,s),i&&a.addClass(i.className,s)}}(i);o.downcastDispatcher.on("attribute:imageStyle:image",r),n.downcastDispatcher.on("attribute:imageStyle:image",r),n.upcastDispatcher.on("element:figure",function(t){const e=t.filter(t=>!t.isDefault);return(t,n,o)=>{if(!n.modelRange)return;const i=n.viewItem,r=Qd(n.modelRange.getItems());if(o.schema.checkAttribute(r,"imageStyle"))for(const t of e)o.consumable.consume(i,{classes:t.className})&&o.writer.setAttribute("imageStyle",t.name,r)}}(i),{priority:"low"}),t.commands.add("imageStyle",new em(t,i))}}n(76);class hm extends ql{static get pluginName(){return"ImageStyleUI"}get localizedDefaultStylesTitles(){const t=this.editor.t;return{"Full size image":t("s"),"Side image":t("t"),"Left aligned image":t("u"),"Centered image":t("v"),"Right aligned image":t("w")}}init(){const t=function(t,e){for(const n of t)e[n.title]&&(n.title=e[n.title]);return t}(lm(this.editor.config.get("image.styles")),this.localizedDefaultStylesTitles);for(const e of t)this._createButton(e)}_createButton(t){const e=this.editor,n=`imageStyle:${t.name}`;e.ui.componentFactory.add(n,n=>{const o=e.commands.get("imageStyle"),i=new Sl(n);return i.set({label:t.title,icon:t.icon,tooltip:!0,isToggleable:!0}),i.bind("isEnabled").to(o,"isEnabled"),i.bind("isOn").to(o,"value",e=>e===t.name),this.listenTo(i,"execute",()=>{e.execute("imageStyle",{value:t.name}),e.editing.view.focus()}),i})}}class fm extends ql{static get requires(){return[nf]}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||!Mu(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:n,getRelatedElement:o,balloonClassName:i="ck-toolbar-container"}){const r=this.editor,s=r.t,a=new Vl(r.locale);if(a.ariaLabel=e||s("bc"),this._toolbarDefinitions.has(t))throw new hn.b("widget-toolbar-duplicated: Toolbar with the given id was already added.",this,{toolbarId:t});a.fillFromConfig(n,r.ui.componentFactory),this._toolbarDefinitions.set(t,{view:a,getRelatedElement:o,balloonClassName:i})}_updateToolbarsVisibility(){let t=0,e=null,n=null;for(const o of this._toolbarDefinitions.values()){const i=o.getRelatedElement(this.editor.editing.view.document.selection);if(this.isEnabled&&i)if(this.editor.ui.focusTracker.isFocused){const r=i.getAncestors().length;r>t&&(t=r,e=i,n=o)}else this._isToolbarVisible(o)&&this._hideToolbar(o);else this._isToolbarInBalloon(o)&&this._hideToolbar(o)}n&&this._showToolbar(n,e)}_hideToolbar(t){this._balloon.remove(t.view),this.stopListening(this._balloon,"change:visibleView")}_showToolbar(t,e){this._isToolbarVisible(t)?mm(this.editor,e):this._isToolbarInBalloon(t)||(this._balloon.add({view:t.view,position:gm(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);mm(this.editor,e)}}))}_isToolbarVisible(t){return this._balloon.visibleView===t.view}_isToolbarInBalloon(t){return this._balloon.hasView(t.view)}}function mm(t,e){const n=t.plugins.get("ContextualBalloon"),o=gm(t,e);n.updatePosition(o)}function gm(t,e){const n=t.editing.view,o=Jh.defaultPositions;return{target:n.domConverter.mapViewToDom(e),positions:[o.northArrowSouth,o.northArrowSouthWest,o.northArrowSouthEast,o.southArrowNorth,o.southArrowNorthWest,o.southArrowNorthEast]}}class pm extends Kl{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 bm extends ql{static get pluginName(){return"IndentEditing"}init(){const t=this.editor;t.commands.add("indent",new pm(t)),t.commands.add("outdent",new pm(t))}}var wm='<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>',km='<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 _m extends ql{static get pluginName(){return"IndentUI"}init(){const t=this.editor,e=t.locale,n=t.t,o="ltr"==e.uiLanguageDirection?wm:km,i="ltr"==e.uiLanguageDirection?km:wm;this._defineButton("indent",n("ab"),o),this._defineButton("outdent",n("ac"),i)}_defineButton(t,e,n){const o=this.editor;o.ui.componentFactory.add(t,i=>{const r=o.commands.get(t),s=new Sl(i);return s.set({label:e,icon:n,tooltip:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),this.listenTo(s,"execute",()=>{o.execute(t),o.editing.view.focus()}),s})}}class vm extends Nr{constructor(t){super(t),this.domEventType="click"}onDomEvent(t){this.fire(t.type,t)}}n(78);class ym extends rl{constructor(t,e=[]){super(t);const n=t.t;this.focusTracker=new Ec,this.keystrokes=new vc,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(n("bm"),$h,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(n("bn"),Yh,"ck-button-cancel","cancel"),this._manualDecoratorSwitches=this._createManualDecoratorSwitches(e),this.children=this._createFormChildren(e),this._focusables=new zc,this._focusCycler=new pl({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});const o=["ck","ck-link-form"];e.length&&o.push("ck-link-form_layout-vertical"),this.setTemplate({tag:"form",attributes:{class:o,tabindex:"-1"},children:this.children})}getDecoratorSwitchesState(){return Array.from(this._manualDecoratorSwitches).reduce((t,e)=>(t[e.name]=e.isOn,t),{})}render(){super.render(),Wh({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 Hh(this.locale,qh);return e.label=t("bo"),e.inputView.placeholder="https://example.com",e}_createButton(t,e,n,o){const i=new Sl(this.locale);return i.set({label:t,icon:e,tooltip:!0}),i.extendTemplate({attributes:{class:n}}),o&&i.delegate("execute").to(this,o),i}_createManualDecoratorSwitches(t){const e=this.createCollection();for(const n of t){const t=new Ol(this.locale);t.set({name:n.id,label:n.label,withText:!0}),t.bind("isOn").to(n,"value"),t.on("execute",()=>{n.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}}n(80);class xm 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("bp"),'<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("bq"),'<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 pl({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,n){const o=new Sl(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.delegate("execute").to(this,n),o}_createPreviewButton(){const t=new Sl(this.locale),e=this.bindTemplate,n=this.t;return t.set({withText:!0,tooltip:n("br")}),t.extendTemplate({attributes:{class:["ck","ck-link-actions__preview"],href:e.to("href",t=>t&&mh(t)),target:"_blank",rel:"noopener noreferrer"}}),t.bind("label").to(this,"href",t=>t||n("bs")),t.bind("isEnabled").to(this,"href",t=>!!t),t.template.tag="a",t.template.eventListeners={},t}}class Am extends ql{static get requires(){return[nf]}static get pluginName(){return"LinkUI"}init(){const t=this.editor;t.editing.view.addObserver(vm),this.actionsView=this._createActionsView(),this.formView=this._createFormView(),this._balloon=t.plugins.get(nf),this._createToolbarLinkButton(),this._enableUserBalloonInteractions()}destroy(){super.destroy(),this.formView.destroy()}_createActionsView(){const t=this.editor,e=new xm(t.locale),n=t.commands.get("link"),o=t.commands.get("unlink");return e.bind("href").to(n,"value"),e.editButtonView.bind("isEnabled").to(n),e.unlinkButtonView.bind("isEnabled").to(o),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"),n=new ym(t.locale,e.manualDecorators);return n.urlInputView.bind("value").to(e,"value"),n.urlInputView.bind("isReadOnly").to(e,"isEnabled",t=>!t),n.saveButtonView.bind("isEnabled").to(e),this.listenTo(n,"submit",()=>{t.execute("link",n.urlInputView.inputView.element.value,n.getDecoratorSwitchesState()),this._closeFormView()}),this.listenTo(n,"cancel",()=>{this._closeFormView()}),n.keystrokes.set("Esc",(t,e)=>{this._closeFormView(),e()}),n}_createToolbarLinkButton(){const t=this.editor,e=t.commands.get("link"),n=t.t;t.keystrokes.set("Ctrl+K",(t,e)=>{e(),this._showUI(!0)}),t.ui.componentFactory.add("link",t=>{const o=new Sl(t);return o.isEnabled=!0,o.label=n("aa"),o.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>',o.keystroke="Ctrl+K",o.tooltip=!0,o.isToggleable=!0,o.bind("isEnabled").to(e,"isEnabled"),o.bind("isOn").to(e,"value",t=>!!t),this.listenTo(o,"execute",()=>this._showUI(!0)),o})}_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())}),Rl({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 n=this._getSelectedLinkElement(),o=r();const i=()=>{const t=this._getSelectedLinkElement(),e=r();n&&!t||!n&&e!==o?this._hideUI():this._isUIVisible&&this._balloon.updatePosition(this._getBalloonPositionData()),n=t,o=e};function r(){return e.selection.focus.getAncestors().reverse().find(t=>t.is("element"))}this.listenTo(t.ui,"update",i),this.listenTo(this._balloon,"change:visibleView",i)}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,n=this._getSelectedLinkElement();return{target:n?t.domConverter.mapViewToDom(n):t.domConverter.viewRangeToDom(e.selection.getFirstRange())}}_getSelectedLinkElement(){const t=this.editor.editing.view,e=t.document.selection;if(e.isCollapsed)return Cm(e.getFirstPosition());{const n=e.getFirstRange().getTrimmed(),o=Cm(n.start),i=Cm(n.end);return o&&o==i&&t.createRangeIn(o).getTrimmed().isEqual(n)?o:null}}}function Cm(t){return t.getAncestors().find(t=>{return(e=t).is("attributeElement")&&!!e.getCustomProperty("link");var e})}class Tm extends Kl{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,n=Array.from(e.selection.getSelectedBlocks()).filter(e=>Sm(e,t.schema)),o=!0===this.value;t.change(t=>{if(o){let e=n[n.length-1].nextSibling,o=Number.POSITIVE_INFINITY,i=[];for(;e&&"listItem"==e.name&&0!==e.getAttribute("listIndent");){const t=e.getAttribute("listIndent");t<o&&(o=t);const n=t-o;i.push({element:e,listIndent:n}),e=e.nextSibling}i=i.reverse();for(const e of i)t.setAttribute("listIndent",e.listIndent,e.element)}if(!o){let t=Number.POSITIVE_INFINITY;for(const e of n)e.is("listItem")&&e.getAttribute("listIndent")<t&&(t=e.getAttribute("listIndent"));t=0===t?1:t,Pm(n,!0,t),Pm(n,!1,t)}for(const e of n.reverse())o&&"listItem"==e.name?t.rename(e,"paragraph"):o||"listItem"==e.name?o||"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=Qd(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,n=Qd(t.getSelectedBlocks());return!!n&&Sm(n,e)}}function Pm(t,e,n){const o=e?t[0]:t[t.length-1];if(o.is("listItem")){let i=o[e?"previousSibling":"nextSibling"],r=o.getAttribute("listIndent");for(;i&&i.is("listItem")&&i.getAttribute("listIndent")>=n;)r>i.getAttribute("listIndent")&&(r=i.getAttribute("listIndent")),i.getAttribute("listIndent")==r&&t[e?"unshift":"push"](i),i=i[e?"previousSibling":"nextSibling"]}}function Sm(t,e){return e.checkChild(t.parent,"listItem")&&!e.isObject(t)}class Mm extends Kl{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 n=Array.from(e.selection.getSelectedBlocks());t.change(t=>{const e=n[n.length-1];let o=e.nextSibling;for(;o&&"listItem"==o.name&&o.getAttribute("listIndent")>e.getAttribute("listIndent");)n.push(o),o=o.nextSibling;this._indentBy<0&&(n=n.reverse());for(const e of n){const n=e.getAttribute("listIndent")+this._indentBy;n<0?t.rename(e,"paragraph"):t.setAttribute("listIndent",n,e)}})}_checkEnabled(){const t=Qd(this.editor.model.document.selection.getSelectedBlocks());if(!t||!t.is("listItem"))return!1;if(this._indentBy>0){const e=t.getAttribute("listIndent"),n=t.getAttribute("listType");let o=t.previousSibling;for(;o&&o.is("listItem")&&o.getAttribute("listIndent")>=e;){if(o.getAttribute("listIndent")==e)return o.getAttribute("listType")==n;o=o.previousSibling}return!1}return!0}}function Em(t,e){const n=e.mapper,o=e.writer,i="numbered"==t.getAttribute("listType")?"ol":"ul",r=function(t){const e=t.createContainerElement("li");return e.getFillerOffset=Lm,e}(o),s=o.createContainerElement(i,null);return o.insert(o.createPositionAt(s,0),r),n.bindElements(t,r),r}function Im(t,e,n,o){const i=e.parent,r=n.mapper,s=n.writer;let a=r.toViewPosition(o.createPositionBefore(t));const c=Rm(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(o.createPositionAt(l,"end")):r.toViewPosition(o.createPositionBefore(t));if(a=Om(a),s.insert(a,i),l&&"listItem"==l.name){const t=r.toViewElement(l),n=s.createRange(s.createPositionAt(t,0),a).getWalker({ignoreElementEnd:!0});for(const t of n)if(t.item.is("li")){const o=s.breakContainer(s.createPositionBefore(t.item)),i=t.item.parent,r=s.createPositionAt(e,"end");Nm(s,r.nodeBefore,r.nodeAfter),s.move(s.createRangeOn(i),r),n.position=o}}else{const n=i.nextSibling;if(n&&(n.is("ul")||n.is("ol"))){let o=null;for(const e of n.getChildren()){const n=r.toModelElement(e);if(!(n&&n.getAttribute("listIndent")>t.getAttribute("listIndent")))break;o=e}o&&(s.breakContainer(s.createPositionAfter(o)),s.move(s.createRangeOn(o.parent),s.createPositionAt(e,"end")))}}Nm(s,i,i.nextSibling),Nm(s,i.previousSibling,i)}function Nm(t,e,n){return!e||!n||"ul"!=e.name&&"ol"!=e.name||e.name!=n.name||e.getAttribute("class")!==n.getAttribute("class")?null:t.mergeContainers(t.createPositionAfter(e))}function Om(t){return t.getLastMatchingPosition(t=>t.item.is("uiElement"))}function Rm(t,e){const n=!!e.sameIndent,o=!!e.smallerIndent,i=e.listIndent;let r=t;for(;r&&"listItem"==r.name;){const t=r.getAttribute("listIndent");if(n&&i==t||o&&i>t)return r;r=r.previousSibling}return null}function Dm(t,e,n,o){t.ui.componentFactory.add(e,i=>{const r=t.commands.get(e),s=new Sl(i);return s.set({label:n,icon:o,tooltip:!0,isToggleable:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),s.on("execute",()=>{t.execute(e),t.editing.view.focus()}),s})}function Lm(){const t=!this.isEmpty&&("ul"==this.getChild(0).name||"ol"==this.getChild(0).name);return this.isEmpty||t?0:jo.call(this)}function jm(t){return(e,n,o)=>{const i=o.consumable;if(!i.test(n.item,"insert")||!i.test(n.item,"attribute:listType")||!i.test(n.item,"attribute:listIndent"))return;i.consume(n.item,"insert"),i.consume(n.item,"attribute:listType"),i.consume(n.item,"attribute:listIndent");const r=n.item;Im(r,Em(r,o),o,t)}}function Vm(t,e,n){if(!n.consumable.consume(e.item,"attribute:listType"))return;const o=n.mapper.toViewElement(e.item),i=n.writer;i.breakContainer(i.createPositionBefore(o)),i.breakContainer(i.createPositionAfter(o));const r=o.parent,s="numbered"==e.attributeNewValue?"ol":"ul";i.rename(s,r)}function zm(t,e,n){const o=n.mapper.toViewElement(e.item).parent,i=n.writer;Nm(i,o,o.nextSibling),Nm(i,o.previousSibling,o);for(const t of e.item.getChildren())n.consumable.consume(t,"insert")}function Bm(t,e,n){if("listItem"!=e.item.name){let t=n.mapper.toViewPosition(e.range.start);const o=n.writer,i=[];for(;("ul"==t.parent.name||"ol"==t.parent.name)&&(t=o.breakContainer(t),"li"==t.parent.name);){const e=t,n=o.createPositionAt(t.parent,"end");if(!e.isEqual(n)){const t=o.remove(o.createRange(e,n));i.push(t)}t=o.createPositionAfter(t.parent)}if(i.length>0){for(let e=0;e<i.length;e++){const n=t.nodeBefore;if(t=o.insert(t,i[e]).end,e>0){const e=Nm(o,n,n.nextSibling);e&&e.parent==n&&t.offset--}}Nm(o,t.nodeBefore,t.nodeAfter)}}}function Fm(t,e,n){const o=n.mapper.toViewPosition(e.position),i=o.nodeBefore,r=o.nodeAfter;Nm(n.writer,i,r)}function Um(t,e,n){if(n.consumable.consume(e.viewItem,{name:!0})){const t=n.writer,o=t.createElement("listItem"),i=function(t){let e=0,n=t.parent;for(;n;){if(n.is("li"))e++;else{const t=n.previousSibling;t&&t.is("li")&&e++}n=n.parent}return e}(e.viewItem);t.setAttribute("listIndent",i,o);const r=e.viewItem.parent&&"ol"==e.viewItem.parent.name?"numbered":"bulleted";t.setAttribute("listType",r,o);const s=n.splitToAllowedParent(o,e.modelCursor);if(!s)return;t.insert(o,s.position);const a=function(t,e,n){const{writer:o,schema:i}=n;let r=o.createPositionAfter(t);for(const s of e)if("ul"==s.name||"ol"==s.name)r=n.convertItem(s,r).modelCursor;else{const e=n.convertItem(s,o.createPositionAt(t,"end")),a=e.modelRange.start.nodeAfter;a&&a.is("element")&&!i.checkChild(t,a.name)&&(t=e.modelCursor.parent.is("listItem")?e.modelCursor.parent:Ym(e.modelCursor),r=o.createPositionAfter(t))}return r}(o,e.viewItem.getChildren(),n);e.modelRange=t.createRange(e.modelCursor,a),s.cursorParent?e.modelCursor=t.createPositionAt(s.cursorParent,0):e.modelCursor=e.modelRange.end}}function Hm(t,e,n){if(n.consumable.test(e.viewItem,{name:!0})){const t=Array.from(e.viewItem.getChildren());for(const e of t){!(e.is("li")||Qm(e))&&e._remove()}}}function qm(t,e,n){if(n.consumable.test(e.viewItem,{name:!0})){if(0===e.viewItem.childCount)return;const t=[...e.viewItem.getChildren()];let n=!1,o=!0;for(const e of t)n&&!Qm(e)&&e._remove(),e.is("text")?(o&&(e._data=e.data.replace(/^\s+/,"")),e.nextSibling&&!Qm(e.nextSibling)||(e._data=e.data.replace(/\s+$/,""))):Qm(e)&&(n=!0),o=!1}}function Wm(t){return(e,n)=>{if(n.isPhantom)return;const o=n.modelPosition.nodeBefore;if(o&&o.is("listItem")){const e=n.mapper.toViewElement(o),i=e.getAncestors().find(Qm),r=t.createPositionAt(e,0).getWalker();for(const t of r){if("elementStart"==t.type&&t.item.is("li")){n.viewPosition=t.previousPosition;break}if("elementEnd"==t.type&&t.item==i){n.viewPosition=t.nextPosition;break}}}}}function $m(t,[e,n]){let o,i=e.is("documentFragment")?e.getChild(0):e;if(o=n?this.createSelection(n):this.document.selection,i&&i.is("listItem")){const t=o.getFirstPosition();let e=null;if(t.parent.is("listItem")?e=t.parent:t.nodeBefore&&t.nodeBefore.is("listItem")&&(e=t.nodeBefore),e){const t=e.getAttribute("listIndent");if(t>0)for(;i&&i.is("listItem");)i._setAttribute("listIndent",i.getAttribute("listIndent")+t),i=i.nextSibling}}}function Ym(t){const e=new bs({startPosition:t});let n;do{n=e.next()}while(!n.value.item.is("listItem"));return n.value.item}function Gm(t,e,n,o,i,r){const s=Rm(e.nodeBefore,{sameIndent:!0,smallerIndent:!0,listIndent:t,foo:"b"}),a=i.mapper,c=i.writer,l=s?s.getAttribute("listIndent"):null;let d;if(s)if(l==t){const t=a.toViewElement(s).parent;d=c.createPositionAfter(t)}else{const t=r.createPositionAt(s,"end");d=a.toViewPosition(t)}else d=n;d=Om(d);for(const t of[...o.getChildren()])Qm(t)&&(d=c.move(c.createRangeOn(t),d).end,Nm(c,t,t.nextSibling),Nm(c,t.previousSibling,t))}function Qm(t){return t.is("ol")||t.is("ul")}class Km extends ql{static get pluginName(){return"ListEditing"}static get requires(){return[Bf]}init(){const t=this.editor;t.model.schema.register("listItem",{inheritAllFrom:"$block",allowAttributes:["listType","listIndent"]});const e=t.data,n=t.editing;var o;t.model.document.registerPostFixer(e=>function(t,e){const n=t.document.differ.getChanges(),o=new Map;let i=!1;for(const o of n)if("insert"==o.type&&"listItem"==o.name)r(o.position);else if("insert"==o.type&&"listItem"!=o.name){if("$text"!=o.name){const n=o.position.nodeAfter;n.hasAttribute("listIndent")&&(e.removeAttribute("listIndent",n),i=!0),n.hasAttribute("listType")&&(e.removeAttribute("listType",n),i=!0);for(const e of Array.from(t.createRangeIn(n)).filter(t=>t.item.is("listItem")))r(e.previousPosition)}r(o.position.getShiftedBy(o.length))}else"remove"==o.type&&"listItem"==o.name?r(o.position):("attribute"==o.type&&"listIndent"==o.attributeKey||"attribute"==o.type&&"listType"==o.attributeKey)&&r(o.range.start);for(const t of o.values())s(t),a(t);return i;function r(t){const e=t.nodeBefore;if(e&&e.is("listItem")){let n=e;if(o.has(n))return;for(;n.previousSibling&&n.previousSibling.is("listItem");)if(n=n.previousSibling,o.has(n))return;o.set(t.nodeBefore,n)}else{const e=t.nodeAfter;e&&e.is("listItem")&&o.set(e,e)}}function s(t){let n=0,o=null;for(;t&&t.is("listItem");){const r=t.getAttribute("listIndent");if(r>n){let s;null===o?(o=r-n,s=n):(o>r&&(o=r),s=r-o),e.setAttribute("listIndent",s,t),i=!0}else o=null,n=t.getAttribute("listIndent")+1;t=t.nextSibling}}function a(t){let n=[],o=null;for(;t&&t.is("listItem");){const r=t.getAttribute("listIndent");if(o&&o.getAttribute("listIndent")>r&&(n=n.slice(0,r+1)),0!=r)if(n[r]){const o=n[r];t.getAttribute("listType")!=o&&(e.setAttribute("listType",o,t),i=!0)}else n[r]=t.getAttribute("listType");o=t,t=t.nextSibling}}}(t.model,e)),n.mapper.registerViewToModelLength("li",Jm),e.mapper.registerViewToModelLength("li",Jm),n.mapper.on("modelToViewPosition",Wm(n.view)),n.mapper.on("viewToModelPosition",(o=t.model,(t,e)=>{const n=e.viewPosition,i=n.parent,r=e.mapper;if("ul"==i.name||"ol"==i.name){if(n.isAtEnd){const t=r.toModelElement(n.nodeBefore),i=r.getModelLength(n.nodeBefore);e.modelPosition=o.createPositionBefore(t).getShiftedBy(i)}else{const t=r.toModelElement(n.nodeAfter);e.modelPosition=o.createPositionBefore(t)}t.stop()}else if("li"==i.name&&n.nodeBefore&&("ul"==n.nodeBefore.name||"ol"==n.nodeBefore.name)){const s=r.toModelElement(i);let a=1,c=n.nodeBefore;for(;c&&Qm(c);)a+=r.getModelLength(c),c=c.previousSibling;e.modelPosition=o.createPositionBefore(s).getShiftedBy(a),t.stop()}})),e.mapper.on("modelToViewPosition",Wm(n.view)),t.conversion.for("editingDowncast").add(e=>{e.on("insert",Bm,{priority:"high"}),e.on("insert:listItem",jm(t.model)),e.on("attribute:listType:listItem",Vm,{priority:"high"}),e.on("attribute:listType:listItem",zm,{priority:"low"}),e.on("attribute:listIndent:listItem",function(t){return(e,n,o)=>{if(!o.consumable.consume(n.item,"attribute:listIndent"))return;const i=o.mapper.toViewElement(n.item),r=o.writer;r.breakContainer(r.createPositionBefore(i)),r.breakContainer(r.createPositionAfter(i));const s=i.parent,a=s.previousSibling,c=r.createRangeOn(s);r.remove(c),a&&a.nextSibling&&Nm(r,a,a.nextSibling),Gm(n.attributeOldValue+1,n.range.start,c.start,i,o,t),Im(n.item,i,o,t);for(const t of n.item.getChildren())o.consumable.consume(t,"insert")}}(t.model)),e.on("remove:listItem",function(t){return(e,n,o)=>{const i=o.mapper.toViewPosition(n.position).getLastMatchingPosition(t=>!t.item.is("li")).nodeAfter,r=o.writer;r.breakContainer(r.createPositionBefore(i)),r.breakContainer(r.createPositionAfter(i));const s=i.parent,a=s.previousSibling,c=r.createRangeOn(s),l=r.remove(c);a&&a.nextSibling&&Nm(r,a,a.nextSibling),Gm(o.mapper.toModelElement(i).getAttribute("listIndent")+1,n.position,c.start,i,o,t);for(const t of r.createRangeIn(l).getItems())o.mapper.unbindViewElement(t);e.stop()}}(t.model)),e.on("remove",Fm,{priority:"low"})}),t.conversion.for("dataDowncast").add(e=>{e.on("insert",Bm,{priority:"high"}),e.on("insert:listItem",jm(t.model))}),t.conversion.for("upcast").add(t=>{t.on("element:ul",Hm,{priority:"high"}),t.on("element:ol",Hm,{priority:"high"}),t.on("element:li",qm,{priority:"high"}),t.on("element:li",Um)}),t.model.on("insertContent",$m,{priority:"high"}),t.commands.add("numberedList",new Tm(t,"numbered")),t.commands.add("bulletedList",new Tm(t,"bulleted")),t.commands.add("indentList",new Mm(t,"forward")),t.commands.add("outdentList",new Mm(t,"backward"));const i=n.view.document;this.listenTo(i,"enter",(t,e)=>{const n=this.editor.model.document,o=n.selection.getLastPosition().parent;n.selection.isCollapsed&&"listItem"==o.name&&o.isEmpty&&(this.editor.execute("outdentList"),e.preventDefault(),t.stop())}),this.listenTo(i,"delete",(t,e)=>{if("backward"!==e.direction)return;const n=this.editor.model.document.selection;if(!n.isCollapsed)return;const o=n.getFirstPosition();if(!o.isAtStart)return;const i=o.parent;"listItem"===i.name&&(i.previousSibling&&"listItem"===i.previousSibling.name||(this.editor.execute("outdentList"),e.preventDefault(),t.stop()))},{priority:"high"});const r=t=>(e,n)=>{this.editor.commands.get(t).isEnabled&&(this.editor.execute(t),n())};t.keystrokes.set("Tab",r("indentList")),t.keystrokes.set("Shift+Tab",r("outdentList"))}afterInit(){const t=this.editor.commands,e=t.get("indent"),n=t.get("outdent");e&&e.registerChildCommand(t.get("indentList")),n&&n.registerChildCommand(t.get("outdentList"))}}function Jm(t){let e=1;for(const n of t.getChildren())if("ul"==n.name||"ol"==n.name)for(const t of n.getChildren())e+=Jm(t);return e}class Zm extends ql{init(){const t=this.editor.t;Dm(this.editor,"numberedList",t("ae"),'<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>'),Dm(this.editor,"bulletedList",t("af"),'<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 Xm(t,e){return t=>{t.on("attribute:url:media",n)};function n(n,o,i){if(!i.consumable.consume(o.item,n.name))return;const r=o.attributeNewValue,s=i.writer,a=i.mapper.toViewElement(o.item);s.remove(s.createRangeIn(a));const c=t.getMediaViewElement(s,r,e);s.insert(s.createPositionAt(a,0),c)}}function tg(t,e,n,o){const i=t.createContainerElement("figure",{class:"media"});return i.getFillerOffset=og,t.insert(t.createPositionAt(i,0),e.getMediaViewElement(t,n,o)),i}function eg(t){const e=t.getSelectedElement();return e&&e.is("media")?e:null}function ng(t,e,n){t.change(o=>{const i=o.createElement("media",{url:e});t.insertContent(i,n),o.setSelection(i,"on")})}function og(){return null}class ig extends Kl{refresh(){const t=this.editor.model,e=t.document.selection,n=t.schema,o=e.getFirstPosition(),i=eg(e);let r=o.parent;r!=r.root&&(r=r.parent),this.value=i?i.getAttribute("url"):null,this.isEnabled=n.checkChild(r,"media")}execute(t){const e=this.editor.model,n=e.document.selection,o=eg(n);if(o)e.change(e=>{e.setAttribute("url",t,o)});else{const o=Ou(n,e);ng(e,t,o)}}}class rg{constructor(t,e){const n=e.providers,o=e.extraProviders||[],i=new Set(e.removeProviders),r=n.concat(o).filter(t=>{const e=t.name;return e?!i.has(e):(console.warn(Object(hn.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,n){return this._getMedia(e).getViewElement(t,n)}_getMedia(t){if(!t)return new sg(this.locale);t=t.trim();for(const e of this.providerDefinitions){const n=e.html;let o=e.url;Array.isArray(o)||(o=[o]);for(const e of o){const o=this._getUrlMatches(t,e);if(o)return new sg(this.locale,t,o,n)}}return null}_getUrlMatches(t,e){let n=t.match(e);if(n)return n;let o=t.replace(/^https?:\/\//,"");return n=o.match(e),n||(o=o.replace(/^www\./,""),n=o.match(e),n||null)}}class sg{constructor(t,e,n,o){this.url=this._getValidUrl(e),this._t=t.t,this._match=n,this._previewRenderer=o}getViewElement(t,e){const n={};if(e.renderForEditingView||e.renderMediaPreview&&this.url&&this._previewRenderer){this.url&&(n["data-oembed-url"]=this.url),e.renderForEditingView&&(n.class="ck-media__wrapper");const o=this._getPreviewHtml(e);return t.createUIElement("div",n,(function(t){const e=this.toDomElement(t);return e.innerHTML=o,e}))}return this.url&&(n.url=this.url),t.createEmptyElement("oembed",n)}_getPreviewHtml(t){return this._previewRenderer?this._previewRenderer(this._match):this.url&&t.renderForEditingView?this._getPlaceholderHtml():""}_getPlaceholderHtml(){const t=new Pl,e=new Tl;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}}n(82);class ag extends ql{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 rg(t.locale,t.config.get("mediaEmbed"))}init(){const t=this.editor,e=t.model.schema,n=t.t,o=t.conversion,i=t.config.get("mediaEmbed.previewsInData"),r=this.registry;t.commands.add("mediaEmbed",new ig(t)),e.register("media",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["url"]}),o.for("dataDowncast").elementToElement({model:"media",view:(t,e)=>{const n=t.getAttribute("url");return tg(e,r,n,{renderMediaPreview:n&&i})}}),o.for("dataDowncast").add(Xm(r,{renderMediaPreview:i})),o.for("editingDowncast").elementToElement({model:"media",view:(t,e)=>{const o=t.getAttribute("url"),i=tg(e,r,o,{renderForEditingView:!0});return s=i,a=e,c=n("ad"),a.setCustomProperty("media",!0,s),Eu(s,a,{label:c});var s,a,c}}),o.for("editingDowncast").add(Xm(r,{renderForEditingView:!0})),o.for("upcast").elementToElement({view:{name:"oembed",attributes:{url:!0}},model:(t,e)=>{const n=t.getAttribute("url");if(r.hasMedia(n))return e.createElement("media",{url:n})}}).elementToElement({view:{name:"div",attributes:{"data-oembed-url":!0}},model:(t,e)=>{const n=t.getAttribute("data-oembed-url");if(r.hasMedia(n))return e.createElement("media",{url:n})}})}}const cg=/^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w.-]+)+[\w\-._~:/?#[\]@!$&'()*+,;=]+$/;class lg extends ql{static get requires(){return[Ql,Bd]}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(Ql),"inputTransformation",()=>{const t=e.selection.getFirstRange(),n=ic.fromPosition(t.start);n.stickiness="toPrevious";const o=ic.fromPosition(t.end);o.stickiness="toNext",e.once("change:data",()=>{this._embedMediaBetweenPositions(n,o),n.detach(),o.detach()},{priority:"high"})}),t.commands.get("undo").on("execute",()=>{this._timeoutId&&(Xi.window.clearTimeout(this._timeoutId),this._positionToInsert.detach(),this._timeoutId=null,this._positionToInsert=null)},{priority:"high"})}_embedMediaBetweenPositions(t,e){const n=this.editor,o=n.plugins.get(ag).registry,i=new Is(t,e),r=i.getWalker({ignoreElementEnd:!0});let s="";for(const t of r)t.item.is("textProxy")&&(s+=t.item.data);if(s=s.trim(),!s.match(cg))return;if(!o.hasMedia(s))return;n.commands.get("mediaEmbed").isEnabled&&(this._positionToInsert=ic.fromPosition(t),this._timeoutId=Xi.window.setTimeout(()=>{n.model.change(t=>{let e;this._timeoutId=null,t.remove(i),"$graveyard"!==this._positionToInsert.root.rootName&&(e=this._positionToInsert),ng(n.model,s,e),this._positionToInsert.detach(),this._positionToInsert=null})},100))}}n(84);class dg extends rl{constructor(t,e){super(e);const n=e.t;this.focusTracker=new Ec,this.keystrokes=new vc,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(n("bm"),$h,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(n("bn"),Yh,"ck-button-cancel","cancel"),this._focusables=new zc,this._focusCycler=new pl({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(),Wh({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 Hh(this.locale,qh),n=e.inputView;return this._urlInputViewInfoDefault=t("ct"),this._urlInputViewInfoTip=t("cu"),e.label=t("cv"),e.infoText=this._urlInputViewInfoDefault,n.placeholder="https://example.com",n.on("input",()=>{e.infoText=n.element.value?this._urlInputViewInfoTip:this._urlInputViewInfoDefault}),e}_createButton(t,e,n,o){const i=new Sl(this.locale);return i.set({label:t,icon:e,tooltip:!0}),i.extendTemplate({attributes:{class:n}}),o&&i.delegate("execute").to(this,o),i}}class ug extends ql{static get requires(){return[ag]}static get pluginName(){return"MediaEmbedUI"}init(){const t=this.editor,e=t.commands.get("mediaEmbed"),n=t.plugins.get(ag).registry;this.form=new dg(function(t,e){return[e=>{if(!e.url.length)return t("ah")},n=>{if(!e.hasMedia(n.url))return t("ai")}]}(t.t,n),t.locale),t.ui.componentFactory.add("mediaEmbed",n=>{const o=Dl(n);return this._setUpDropdown(o,this.form,e,t),this._setUpForm(this.form,o,e),o})}_setUpDropdown(t,e,n){const o=this.editor,i=o.t,r=t.buttonView;function s(){o.editing.view.focus(),t.isOpen=!1}t.bind("isEnabled").to(n),t.panelView.children.add(e),r.set({label:i("ag"),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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r=Xg(o.mapper.toViewElement(i)),s=n.attributeOldValue,a=n.attributeNewValue;if(a>s){const t=Array.from(i.getChildren()).filter(({index:t})=>c(t,s-1,a));Zg(t,Qg("thead",r,o),o,"end");for(const n of t)for(const t of n.getChildren())Hg(t,"th",o,e);Jg("tbody",r,o)}else{Zg(Array.from(i.getChildren()).filter(({index:t})=>c(t,a-1,s)).reverse(),Qg("tbody",r,o),o,0);const t=new Eg(i,{startRow:a?a-1:a,endRow:s-1}),n={headingRows:i.getAttribute("headingRows")||0,headingColumns:i.getAttribute("headingColumns")||0};for(const i of t)qg(i,n,o,e);Jg("thead",r,o)}function c(t,e,n){return t>e&&t<n}})}function Ug(t={}){const e=!!t.asWidget;return t=>t.on("attribute:headingColumns:table",(t,n,o)=>{const i=n.item;if(!o.consumable.consume(n.item,t.name))return;const r={headingRows:i.getAttribute("headingRows")||0,headingColumns:i.getAttribute("headingColumns")||0},s=n.attributeOldValue,a=n.attributeNewValue,c=(s>a?s:a)-1;for(const t of new Eg(i))t.column>c||qg(t,r,o,e)})}function Hg(t,e,n,o){const i=n.writer,r=n.mapper.toViewElement(t);if(!r)return;let s;if(o){s=Nu(i.createEditableElement(e,r.getAttributes()),i),i.insert(i.createPositionAfter(r),s),i.move(i.createRangeIn(r),i.createPositionAt(s,0)),i.remove(i.createRangeOn(r))}else s=i.rename(e,r);n.mapper.unbindViewElement(r),n.mapper.bindElements(t,s)}function qg(t,e,n,o){const{cell:i}=t,r=Yg(t,e),s=n.mapper.toViewElement(i);s&&s.name!==r&&Hg(i,r,n,o)}function Wg(t,e,n,o,i){const r=i&&i.asWidget,s=Yg(t,e),a=r?Nu(o.writer.createEditableElement(s),o.writer):o.writer.createContainerElement(s),c=t.cell,l=c.getChild(0),d=1===c.childCount&&"paragraph"===l.name;if(o.writer.insert(n,a),d&&![...l.getAttributeKeys()].length){const t=c.getChild(0),e=o.writer.createPositionAt(a,"end");if(o.consumable.consume(t,"insert"),i.asWidget){const n=o.writer.createContainerElement("span",{style:"display:inline-block"});o.mapper.bindElements(t,n),o.writer.insert(e,n),o.mapper.bindElements(c,a)}else 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t=n.mapper.toViewElement(i);t&&n.writer.move(n.writer.createRangeOn(t),n.writer.createPositionAt(e,o))}}function Xg(t){for(const e of t.getChildren())if("table"===e.name)return e}class tp extends Kl{refresh(){const t=this.editor.model,e=t.document.selection,n=t.schema,o=function(t){const e=t.parent;return e===e.root?e:e.parent}(e.getFirstPosition());this.isEnabled=n.checkChild(o,"table")}execute(t={}){const e=this.editor.model,n=e.document.selection,o=this.editor.plugins.get("TableUtils"),i=parseInt(t.rows)||2,r=parseInt(t.columns)||2,s=Ou(n,e);e.change(t=>{const n=o.createTable(t,i,r);e.insertContent(n,s),t.setSelection(t.createPositionAt(n.getNodeByPath([0,0,0]),0))})}}class ep extends Kl{constructor(t,e={}){super(t),this.order=e.order||"below"}refresh(){const t=xg("table",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),o="above"===this.order,i=o?e.getFirstPosition():e.getLastPosition(),r=((o?e.getFirstRange():e.getLastRange()).getContainedElement()||xg("tableCell",i)).parent,s=r.parent,a=s.getChildIndex(r);n.insertRows(s,{rows:1,at:"below"===this.order?a+1:a})}}class np extends Kl{constructor(t,e={}){super(t),this.order=e.order||"right"}refresh(){const t=xg("table",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),o="left"===this.order,i=o?e.getFirstPosition():e.getLastPosition(),r=(o?e.getFirstRange():e.getLastRange()).getContainedElement()||xg("tableCell",i),s=r.parent.parent,{column:a}=n.getCellLocation(r);n.insertColumns(s,{columns:1,at:o?a:a+1})}}class op extends Kl{constructor(t,e={}){super(t),this.direction=e.direction||"horizontally"}refresh(){const t=Lg(this.editor.model.document.selection);this.isEnabled=1===t.length}execute(){const t=Lg(this.editor.model.document.selection)[0],e="horizontally"===this.direction,n=this.editor.plugins.get("TableUtils");e?n.splitCellHorizontally(t,2):n.splitCellVertically(t,2)}}class ip extends Kl{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=Dg(t.document.selection)[0],n=this.value,o=this.direction;t.change(t=>{const i="right"==o||"down"==o,r=i?e:n,s=i?n:e,a=s.parent;!function(t,e,n){rp(t)||(rp(e)&&n.remove(n.createRangeIn(e)),n.move(n.createRangeIn(t),n.createPositionAt(e,"end")));n.remove(t)}(s,r,t);const c=this.isHorizontal?"colspan":"rowspan",l=parseInt(e.getAttribute(c)||1),d=parseInt(n.getAttribute(c)||1);t.setAttribute(c,l+d,r),t.setSelection(t.createRangeIn(r)),a.childCount||function(t,e){const n=t.parent,o=n.getChildIndex(t);for(const{cell:t,row:i,rowspan:r}of new Eg(n,{endRow:o})){i+r-1>=o&&Ag("rowspan",r-1,t,e)}e.remove(t)}(a,t)})}_getMergeableCell(){const t=Dg(this.editor.model.document.selection)[0];if(!t)return;const e=this.editor.plugins.get("TableUtils"),n=this.isHorizontal?function(t,e,n){const o=t.parent.parent,i="right"==e?t.nextSibling:t.previousSibling,r=(o.getAttribute("headingColumns")||0)>0;if(!i)return;const s="right"==e?t:i,a="right"==e?i:t,{column:c}=n.getCellLocation(s),{column:l}=n.getCellLocation(a),d=parseInt(s.getAttribute("colspan")||1),u=Tg(n,s),h=Tg(n,a);if(r&&u!=h)return;return c+d===l?i:void 0}(t,this.direction,e):function(t,e){const n=t.parent,o=n.parent,i=o.getChildIndex(n);if("down"==e&&i===o.childCount-1||"up"==e&&0===i)return;const r=parseInt(t.getAttribute("rowspan")||1),s=o.getAttribute("headingRows")||0,a="down"==e&&i+r===s,c="up"==e&&i===s;if(s&&(a||c))return;const l=parseInt(t.getAttribute("rowspan")||1),d="down"==e?i+l:i,u=[...new Eg(o,{endRow:d})],h=u.find(e=>e.cell===t).column,f=u.find(({row:t,rowspan:n,column:o})=>o===h&&("down"==e?t===d:d===t+n));return f&&f.cell}(t,this.direction);if(!n)return;const o=this.isHorizontal?"rowspan":"colspan",i=parseInt(t.getAttribute(o)||1);return parseInt(n.getAttribute(o)||1)===i?n:void 0}}function rp(t){return 1==t.childCount&&t.getChild(0).is("paragraph")&&t.getChild(0).isEmpty}class sp extends Kl{refresh(){const t=Lg(this.editor.model.document.selection),e=t[0];if(e){const n=e.parent.parent,o=this.editor.plugins.get("TableUtils").getRows(n),i=[...new Eg(n)].filter(e=>t.includes(e.cell)).map(t=>t.row),r=i[0],s=i[i.length-1];this.isEnabled=s-r<o-1}else this.isEnabled=!1}execute(){const t=Lg(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),n=t[0],o=n.parent.parent,i=[...new Eg(o,{endRow:e.last})],r=this.editor.model.createBatch(),s=function(t,e){return t.find(t=>t.cell===e).column}(i,n);let a;this.editor.model.enqueueChange(r,t=>{t.setSelection(t.createSelection(o,"on"))});for(let t=e.last;t>=e.first;t--)this.editor.model.enqueueChange(r,e=>{const n=t;this._removeRow(n,o,e,i),a=ap(o,n,s)});this.editor.model.enqueueChange(r,t=>{t.setSelection(t.createPositionAt(a,0))})}_removeRow(t,e,n,o){const i=new Map,r=e.getChild(t),s=e.getAttribute("headingRows")||0;s&&t<s&&Ag("headingRows",s-1,e,n,0),o.filter(({row:e,rowspan:n})=>e===t&&n>1).forEach(({column:t,cell:e,rowspan:n})=>i.set(t,{cell:e,rowspanToSet:n-1})),o.filter(({row:e,rowspan:n})=>e<=t-1&&e+n>t).forEach(({cell:t,rowspan:e})=>Ag("rowspan",e-1,t,n));const a=t+1,c=new Eg(e,{includeSpanned:!0,startRow:a,endRow:a});let l;for(const{row:t,column:o,cell:r}of[...c])if(i.has(o)){const{cell:r,rowspanToSet:s}=i.get(o),a=l?n.createPositionAfter(l):n.createPositionAt(e.getChild(t),0);n.move(n.createRangeOn(r),a),Ag("rowspan",s,r,n),l=r}else l=r;n.remove(r)}}function ap(t,e,n){const o=t.getChild(e)||t.getChild(t.childCount-1);let i=o.getChild(0),r=0;for(const t of o.getChildren()){if(r>n)return i;i=t,r+=parseInt(t.getAttribute("colspan")||1)}return i}class cp extends Kl{refresh(){const t=Lg(this.editor.model.document.selection),e=t[0];if(e){const n=e.parent.parent,o=this.editor.plugins.get("TableUtils").getColumns(n),i=[...new Eg(n)].filter(e=>t.includes(e.cell)).map(t=>t.column).sort(),r=i[0],s=i[i.length-1];this.isEnabled=s-r<o-1}else this.isEnabled=!1}execute(){const[t,e]=function(t){const e=Lg(t),n=e[0],o=e.pop(),i=[n,o];return n.isBefore(o)?i:i.reverse()}(this.editor.model.document.selection),n=t.parent.parent,o=[...new Eg(n)],i={first:o.find(e=>e.cell===t).column,last:o.find(t=>t.cell===e).column},r=function(t,e,n,o){return parseInt(n.getAttribute("colspan")||1)>1?n:e.previousSibling||n.nextSibling?n.nextSibling||e.previousSibling:o.first?t.reverse().find(({column:t})=>t<o.first).cell:t.reverse().find(({column:t})=>t>o.last).cell}(o,t,e,i);this.editor.model.change(t=>{t.setSelection(t.createRangeOn(n)),function(t,e,n){const o=t.getAttribute("headingColumns")||0;if(o&&e.first<=o){const i=Math.min(o-1,e.last)-e.first+1;n.setAttribute("headingColumns",o-i,t)}}(n,i,t);for(let e=i.last;e>=i.first;e--)for(const{cell:n,column:i,colspan:r}of o)if(i<=e&&r>1&&i+r>e)Ag("colspan",r-1,n,t);else if(i===e){const e=n.parent;t.remove(n),e.childCount||t.remove(e)}t.setSelection(t.createPositionAt(r,0))})}}class lp extends Kl{refresh(){const t=Lg(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,n=Lg(e.document.selection),o=n[0],i=n[n.length-1],r=o.parent.parent,s=r.getAttribute("headingRows")||0,[a,c]=[o.parent.index,i.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,n){const o=[],i=new Eg(t,{startRow:e>n?n:0,endRow:e-1});for(const{row:t,rowspan:n,cell:r}of i)n>1&&t+n>e&&o.push(r);return o}(r,l,s);for(const n of e)dp(n,l,t)}Ag("headingRows",l,r,t,0)})}_isInHeading(t,e){const n=parseInt(e.getAttribute("headingRows")||0);return!!n&&t.parent.index<n}}function dp(t,e,n){const o=t.parent,i=o.parent,r=e-o.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=i.getChildIndex(o),d=l+r,u=[...new Eg(i,{startRow:l,endRow:d,includeSpanned:!0})];let h;for(const{row:e,column:o,cell:r,cellIndex:a}of u)if(r===t&&void 0===h&&(h=o),void 0!==h&&h===o&&e===d){const t=i.getChild(e),o=n.createPositionAt(t,a);Cg(n,o,s)}Ag("rowspan",r,t,n)}class up extends Kl{refresh(){const t=Lg(this.editor.model.document.selection),e=this.editor.plugins.get("TableUtils"),n=t.length>0;this.isEnabled=n,this.value=n&&t.every(t=>Tg(e,t))}execute(t={}){const e=this.editor.model,n=this.editor.plugins.get("TableUtils"),o=Lg(e.document.selection),i=o[0],r=o[o.length-1],s=i.parent.parent,[a,c]=[n.getCellLocation(i).column,n.getCellLocation(r).column].sort();if(t.forceValue===this.value)return;const l=this.value?a:c+1;e.change(t=>{Ag("headingColumns",l,s,t,0)})}}class hp extends ql{static get pluginName(){return"TableUtils"}getCellLocation(t){const e=t.parent,n=e.parent,o=n.getChildIndex(e),i=new Eg(n,{startRow:o,endRow:o});for(const{cell:e,row:n,column:o}of i)if(e===t)return{row:n,column:o}}createTable(t,e,n){const o=t.createElement("table");return fp(t,o,0,e,n),o}insertRows(t,e={}){const n=this.editor.model,o=e.at||0,i=e.rows||1;n.change(e=>{const n=t.getAttribute("headingRows")||0;if(n>o&&e.setAttribute("headingRows",n+i,t),0===o||o===t.childCount)return void fp(e,t,o,i,this.getColumns(t));const r=new Eg(t,{endRow:o});let s=0;for(const{row:t,rowspan:n,colspan:a,cell:c}of r){const r=t+n>o;t<o&&r&&e.setAttribute("rowspan",n+i,c),t===o&&(s+=a)}fp(e,t,o,i,s)})}insertColumns(t,e={}){const n=this.editor.model,o=e.at||0,i=e.columns||1;n.change(e=>{const n=t.getAttribute("headingColumns");o<n&&e.setAttribute("headingColumns",n+i,t);const r=this.getColumns(t);if(0===o||r===o){for(const n of t.getChildren())mp(i,e,e.createPositionAt(n,o?"end":0));return}const s=new Eg(t,{column:o,includeSpanned:!0});for(const{row:n,cell:r,cellIndex:a}of s){const c=parseInt(r.getAttribute("rowspan")||1),l=parseInt(r.getAttribute("colspan")||1);if(r.index!==o&&l>1){if(e.setAttribute("colspan",l+i,r),s.skipRow(n),c>1)for(let t=n+1;t<n+c;t++)s.skipRow(t)}else{const o=e.createPositionAt(t.getChild(n),a);mp(i,e,o)}}})}splitCellVertically(t,e=2){const n=this.editor.model,o=t.parent.parent,i=parseInt(t.getAttribute("rowspan")||1),r=parseInt(t.getAttribute("colspan")||1);n.change(n=>{if(r>1){const{newCellsSpan:o,updatedSpan:s}=gp(r,e);Ag("colspan",s,t,n);const a={};o>1&&(a.colspan=o),i>1&&(a.rowspan=i),mp(r>e?e-1:r-1,n,n.createPositionAfter(t),a)}if(r<e){const s=e-r,a=[...new Eg(o)],{column:c}=a.find(({cell:e})=>e===t),l=a.filter(({cell:e,colspan:n,column:o})=>e!==t&&o===c||o<c&&o+n>c);for(const{cell:t,colspan:e}of l)n.setAttribute("colspan",e+s,t);const d={};i>1&&(d.rowspan=i),mp(s,n,n.createPositionAfter(t),d);const u=o.getAttribute("headingColumns")||0;u>c&&Ag("headingColumns",u+s,o,n)}})}splitCellHorizontally(t,e=2){const n=this.editor.model,o=t.parent,i=o.parent,r=i.getChildIndex(o),s=parseInt(t.getAttribute("rowspan")||1),a=parseInt(t.getAttribute("colspan")||1);n.change(n=>{if(s>1){const o=[...new Eg(i,{startRow:r,endRow:r+s-1,includeSpanned:!0})],{newCellsSpan:c,updatedSpan:l}=gp(s,e);Ag("rowspan",l,t,n);const{column:d}=o.find(({cell:e})=>e===t),u={};c>1&&(u.rowspan=c),a>1&&(u.colspan=a);for(const{column:t,row:e,cellIndex:s}of o){const o=t===d,a=(e+r+l)%c==0;if(e>=r+l&&o&&a){const t=n.createPositionAt(i.getChild(e),s);mp(1,n,t,u)}}}if(s<e){const o=e-s,c=[...new Eg(i,{startRow:0,endRow:r})];for(const{cell:e,rowspan:i,row:s}of c)if(e!==t&&s+i>r){const t=i+o;n.setAttribute("rowspan",t,e)}const l={};a>1&&(l.colspan=a),fp(n,i,r+1,o,1,l);const d=i.getAttribute("headingRows")||0;d>r&&Ag("headingRows",d+o,i,n)}})}getColumns(t){return[...t.getChild(0).getChildren()].reduce((t,e)=>t+parseInt(e.getAttribute("colspan")||1),0)}getRows(t){return t.childCount}}function fp(t,e,n,o,i,r={}){for(let s=0;s<o;s++){const o=t.createElement("tableRow");t.insert(o,e,n),mp(i,t,t.createPositionAt(o,"end"),r)}}function mp(t,e,n,o={}){for(let i=0;i<t;i++)Cg(e,n,o)}function gp(t,e){if(t<e)return{newCellsSpan:1,updatedSpan:1};const n=Math.floor(t/e);return{newCellsSpan:n,updatedSpan:t-n*e+n}}function pp(t){t.document.registerPostFixer(e=>function(t,e){const n=e.document.differ.getChanges();let o=!1;const i=new Set;for(const e of n){let n;"table"==e.name&&"insert"==e.type&&(n=e.position.nodeAfter),"tableRow"!=e.name&&"tableCell"!=e.name||(n=xg("table",e.position)),kp(e)&&(n=xg("table",e.range.start)),n&&!i.has(n)&&(o=bp(n,t)||o,o=wp(n,t)||o,i.add(n))}return o}(e,t))}function bp(t,e){let n=!1;const o=function(t){const e=parseInt(t.getAttribute("headingRows")||0),n=t.childCount,o=[];for(const{row:i,rowspan:r,cell:s}of new Eg(t)){if(r<2)continue;const t=i<e?e:n;if(i+r>t){const e=t-i;o.push({cell:s,rowspan:e})}}return o}(t);if(o.length){n=!0;for(const t of o)Ag("rowspan",t.rowspan,t.cell,e,1)}return n}function wp(t,e){let n=!1;const o=function(t){const e={};for(const{row:n}of new Eg(t,{includeSpanned:!0}))e[n]||(e[n]=0),e[n]+=1;return e}(t),i=o[0];if(!Object.values(o).every(t=>t===i)){const i=Object.values(o).reduce((t,e)=>e>t?e:t,0);for(const[r,s]of Object.entries(o)){const o=i-s;if(o){for(let n=0;n<o;n++)Cg(e,e.createPositionAt(t.getChild(r),"end"));n=!0}}}return n}function kp(t){const e="attribute"===t.type,n=t.attributeKey;return e&&("headingRows"===n||"colspan"===n||"rowspan"===n)}function _p(t){t.document.registerPostFixer(e=>function(t,e){const n=e.document.differ.getChanges();let o=!1;for(const e of n)"insert"==e.type&&"table"==e.name&&(o=vp(e.position.nodeAfter,t)||o),"insert"==e.type&&"tableRow"==e.name&&(o=yp(e.position.nodeAfter,t)||o),"insert"==e.type&&"tableCell"==e.name&&(o=xp(e.position.nodeAfter,t)||o),Ap(e)&&(o=xp(e.position.parent,t)||o);return o}(e,t))}function vp(t,e){let n=!1;for(const o of t.getChildren())n=yp(o,e)||n;return n}function yp(t,e){let n=!1;for(const o of t.getChildren())n=xp(o,e)||n;return n}function xp(t,e){if(0==t.childCount)return e.insertElement("paragraph",t),!0;const n=Array.from(t.getChildren()).filter(t=>t.is("text"));for(const t of n)e.wrap(e.createRangeOn(t),"paragraph");return!!n.length}function Ap(t){return!(!t.position||!t.position.parent.is("tableCell"))&&("insert"==t.type&&"$text"==t.name||"remove"==t.type)}function Cp(t){t.document.registerPostFixer(()=>function(t){const e=t.document.differ,n=new Set;for(const t of e.getChanges()){const e="insert"==t.type||"remove"==t.type?t.position.parent:t.range.start.parent;e.is("tableCell")&&Tp(e,t.type)&&n.add(e)}if(n.size){for(const t of n.values())e.refreshItem(t);return!0}return!1}(t))}function Tp(t,e){if(!Array.from(t.getChildren()).some(t=>t.is("paragraph")))return!1;if("attribute"==e){const e=Array.from(t.getChild(0).getAttributeKeys()).length;return 1===t.childCount&&e<2}return t.childCount<=("insert"==e?2:1)}n(88);class Pp extends ql{static get pluginName(){return"TableEditing"}init(){const t=this.editor,e=t.model,n=e.schema,o=t.conversion;n.register("table",{allowWhere:"$block",allowAttributes:["headingRows","headingColumns"],isLimit:!0,isObject:!0,isBlock:!0}),n.register("tableRow",{allowIn:"table",isLimit:!0}),n.register("tableCell",{allowIn:"tableRow",allowAttributes:["colspan","rowspan"],isObject:!0}),n.extend("$block",{allowIn:"tableCell"}),n.addChildCheck((t,e)=>{if("table"==e.name&&Array.from(t.getNames()).includes("table"))return!1}),o.for("upcast").add(Pg()),o.for("editingDowncast").add(Vg({asWidget:!0})),o.for("dataDowncast").add(Vg()),o.for("upcast").elementToElement({model:"tableRow",view:"tr"}),o.for("editingDowncast").add(zg({asWidget:!0})),o.for("dataDowncast").add(zg()),o.for("downcast").add(t=>t.on("remove:tableRow",(t,e,n)=>{t.stop();const o=n.writer,i=n.mapper,r=i.toViewPosition(e.position).getLastMatchingPosition(t=>!t.item.is("tr")).nodeAfter,s=r.parent,a=o.createRangeOn(r),c=o.remove(a);for(const t of o.createRangeIn(c).getItems())i.unbindViewElement(t);s.childCount||o.remove(o.createRangeOn(s))},{priority:"higher"})),o.for("upcast").add(Sg("td")),o.for("upcast").add(Sg("th")),o.for("editingDowncast").add(Bg({asWidget:!0})),o.for("dataDowncast").add(Bg()),o.attributeToAttribute({model:"colspan",view:"colspan"}),o.attributeToAttribute({model:"rowspan",view:"rowspan"}),o.for("editingDowncast").add(Ug({asWidget:!0})),o.for("dataDowncast").add(Ug()),o.for("editingDowncast").add(Fg({asWidget:!0})),o.for("dataDowncast").add(Fg()),t.commands.add("insertTable",new tp(t)),t.commands.add("insertTableRowAbove",new ep(t,{order:"above"})),t.commands.add("insertTableRowBelow",new ep(t,{order:"below"})),t.commands.add("insertTableColumnLeft",new np(t,{order:"left"})),t.commands.add("insertTableColumnRight",new np(t,{order:"right"})),t.commands.add("removeTableRow",new sp(t)),t.commands.add("removeTableColumn",new cp(t)),t.commands.add("splitTableCellVertically",new op(t,{direction:"vertically"})),t.commands.add("splitTableCellHorizontally",new op(t,{direction:"horizontally"})),t.commands.add("mergeTableCellRight",new ip(t,{direction:"right"})),t.commands.add("mergeTableCellLeft",new ip(t,{direction:"left"})),t.commands.add("mergeTableCellDown",new ip(t,{direction:"down"})),t.commands.add("mergeTableCellUp",new ip(t,{direction:"up"})),t.commands.add("setTableColumnHeader",new up(t)),t.commands.add("setTableRowHeader",new lp(t)),pp(e),Cp(e),_p(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[hp]}_handleTabOnSelectedTable(t,e){const n=this.editor,o=n.model.document.selection;if(!o.isCollapsed&&1===o.rangeCount&&o.getFirstRange().isFlat){const t=o.getSelectedElement();if(!t||!t.is("table"))return;e(),n.model.change(e=>{e.setSelection(e.createRangeIn(t.getChild(0).getChild(0)))})}}_getTabHandler(t){const e=this.editor;return(n,o)=>{const i=Dg(e.model.document.selection)[0];if(!i)return;o();const r=i.parent,s=r.parent,a=s.getChildIndex(r),c=r.getChildIndex(i),l=0===c;if(!t&&l&&0===a)return;const d=c===r.childCount-1,u=a===s.childCount-1;if(t&&u&&d&&(e.execute("insertTableRowBelow"),a===s.childCount-1))return;let h;if(t&&d){const t=s.getChild(a+1);h=t.getChild(0)}else if(!t&&l){const t=s.getChild(a-1);h=t.getChild(t.childCount-1)}else h=r.getChild(c+(t?1:-1));e.model.change(t=>{t.setSelection(t.createRangeIn(h))})}}}n(90);class Sp 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 Mp;e.on("over",()=>{const e=Math.floor(t/10),n=t%10;this.set("rows",e+1),this.set("columns",n+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((n,o)=>{const i=Math.floor(o/10)<t&&o%10<e;n.set("isOn",i)})}}class Mp 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 Ep extends ql{init(){const t=this.editor,e=this.editor.t,n="ltr"===t.locale.contentLanguageDirection;t.ui.componentFactory.add("insertTable",n=>{const o=t.commands.get("insertTable"),i=Dl(n);let r;return i.bind("isEnabled").to(o),i.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("aj"),tooltip:!0}),i.on("change:isOpen",()=>{r||(r=new Sp(n),i.panelView.children.add(r),r.delegate("execute").to(i),i.buttonView.on("open",()=>{r.rows=0,r.columns=0}),i.on("execute",()=>{t.execute("insertTable",{rows:r.rows,columns:r.columns}),t.editing.view.focus()}))}),i}),t.ui.componentFactory.add("tableColumn",t=>{const o=[{type:"switchbutton",model:{commandName:"setTableColumnHeader",label:e("ak"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:n?"insertTableColumnLeft":"insertTableColumnRight",label:e("al")}},{type:"button",model:{commandName:n?"insertTableColumnRight":"insertTableColumnLeft",label:e("am")}},{type:"button",model:{commandName:"removeTableColumn",label:e("an")}}];return this._prepareDropdown(e("ao"),'<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>',o,t)}),t.ui.componentFactory.add("tableRow",t=>{const n=[{type:"switchbutton",model:{commandName:"setTableRowHeader",label:e("ap"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:"insertTableRowBelow",label:e("aq")}},{type:"button",model:{commandName:"insertTableRowAbove",label:e("ar")}},{type:"button",model:{commandName:"removeTableRow",label:e("as")}}];return this._prepareDropdown(e("at"),'<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M7 2h1v16H7V2zm5 0h1v16h-1V2z" opacity=".6"/><path d="M1 6h18a1 1 0 0 1 1 1v6a1 1 0 0 1-1 1H1a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1zm1 2v4h4V8H2zm6 0v4h4V8H8zm6 0v4h4V8h-4z"/></svg>',n,t)}),t.ui.componentFactory.add("mergeTableCells",t=>{const o=[{type:"button",model:{commandName:"mergeTableCellUp",label:e("au")}},{type:"button",model:{commandName:n?"mergeTableCellRight":"mergeTableCellLeft",label:e("av")}},{type:"button",model:{commandName:"mergeTableCellDown",label:e("aw")}},{type:"button",model:{commandName:n?"mergeTableCellLeft":"mergeTableCellRight",label:e("ax")}},{type:"separator"},{type:"button",model:{commandName:"splitTableCellVertically",label:e("ay")}},{type:"button",model:{commandName:"splitTableCellHorizontally",label:e("az")}}];return this._prepareDropdown(e("ba"),'<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>',o,t)})}_prepareDropdown(t,e,n,o){const i=this.editor,r=Dl(o),s=[],a=new xn;for(const t of n)Ip(t,i,s,a);return jl(r,a,i.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=>{i.execute(t.source.commandName),i.editing.view.focus()}),r}}function Ip(t,e,n,o){const i=t.model=new $f(t.model),{commandName:r,bindIsOn:s}=t.model;if("button"===t.type||"switchbutton"===t.type){const t=e.commands.get(r);n.push(t),i.set({commandName:r}),i.bind("isEnabled").to(t),s&&i.bind("isOn").to(t,"value")}i.set({withText:!0}),o.add(t)}class Np extends Nr{constructor(t){super(t),this.domEventType=["mousemove","mouseup","mouseleave"]}onDomEvent(t){this.fire(t.type,t)}}function Op(t,e,n){const o=Array.from(t),i=o[0],r=o[o.length-1],{row:s,column:a}=e.getCellLocation(i),c=function(t,e,n,o){const i=n.createElement("table"),r=new Map,s=new Map;for(const e of t){const t=xg("tableRow",e);if(!r.has(t)){const e=t._clone();n.append(e,i),r.set(t,e)}const a=e._clone(!0),{column:c}=o.getCellLocation(e);s.set(a,c),n.append(a,r.get(t))}return function(t,e,n,o,i){for(const r of t.getChildren())for(const t of Array.from(r.getChildren())){const{column:r}=i.getCellLocation(t),s=n.get(t)-e;if(r!==s)for(let e=0;e<s-r;e++){const e=o.createElement("tableCell");o.insert(e,o.createPositionBefore(t));const n=o.createElement("paragraph");o.insert(n,e,0),o.insertText("",n,0)}}}(i,e,s,n,o),i}(o,a,n,e),{row:l,column:d}=e.getCellLocation(r);return function(t,e,n,o,i){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}=i.getCellLocation(t);if(c+r>e){const n=e-c;n>1?o.setAttribute("colspan",n,t):o.removeAttribute("colspan",t)}if(a+s>n){const e=n-a;e>1?o.setAttribute("rowspan",e,t):o.removeAttribute("rowspan",t)}}}(c,d-a+1,l-s+1,n,e),function(t,e,n,o,i){const r=parseInt(e.getAttribute("headingRows")||0);if(r>0){const e=r-n;i.setAttribute("headingRows",e,t)}const s=parseInt(e.getAttribute("headingColumns")||0);if(s>0){const e=s-o;i.setAttribute("headingColumns",e,t)}}(c,xg("table",i),s,a,n),c}n(92);class Rp extends ql{static get pluginName(){return"TableSelection"}static get requires(){return[hp]}init(){const t=this.editor,e=t.model;this.listenTo(e,"deleteContent",(t,e)=>this._handleDeleteContent(t,e),{priority:"high"}),t.editing.view.addObserver(Np),this._defineSelectionConverter(),this._enableShiftClickSelection(),this._enableMouseDragSelection()}getSelectedTableCells(){const t=Rg(this.editor.model.document.selection);return 0==t.length?null:t}getSelectionAsFragment(){const t=this.getSelectedTableCells();return t?this.editor.model.change(e=>{const n=e.createDocumentFragment(),o=Op(t,this.editor.plugins.get("TableUtils"),e);return e.insert(o,n,0),n}):null}_defineSelectionConverter(){const t=this.editor,e=new Set;t.conversion.for("editingDowncast").add(t=>t.on("selection",(t,n,o)=>{const i=o.writer;!function(t){for(const n of e)t.removeClass("ck-editor__editable_selected",n);e.clear()}(i);const r=this.getSelectedTableCells();if(!r)return;for(const t of r){const n=o.mapper.toViewElement(t);i.addClass("ck-editor__editable_selected",n),e.add(n)}const s=o.mapper.toViewElement(r[r.length-1]);i.setSelection(s,0)},{priority:"lowest"}))}_enableShiftClickSelection(){const t=this.editor;let e=!1;this.listenTo(t.editing.view.document,"mousedown",(n,o)=>{if(!this.isEnabled)return;if(!o.domEvent.shiftKey)return;const i=Dg(t.model.document.selection)[0];if(!i)return;const r=this._getModelTableCellFromDomEvent(o);r&&Dp(i,r)&&(e=!0,this._setCellSelection(i,r),o.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,n,o=!1,i=!1;this.listenTo(t.editing.view.document,"mousedown",(t,n)=>{this.isEnabled&&(n.domEvent.shiftKey||n.domEvent.ctrlKey||n.domEvent.altKey||(e=this._getModelTableCellFromDomEvent(n)))}),this.listenTo(t.editing.view.document,"mousemove",(t,r)=>{if(!r.domEvent.buttons)return;if(!e)return;const s=this._getModelTableCellFromDomEvent(r);s&&Dp(e,s)&&(n=s,o||n==e||(o=!0)),o&&(i=!0,this._setCellSelection(e,n),r.preventDefault())}),this.listenTo(t.editing.view.document,"mouseup",()=>{o=!1,i=!1,e=null,n=null}),this.listenTo(t.editing.view.document,"selectionChange",t=>{i&&t.stop()},{priority:"highest"})}_handleDeleteContent(t,e){const[n,o]=e,i=this.editor.model,r=!o||"backward"==o.direction,s=Rg(n);s.length&&(t.stop(),i.change(t=>{const e=s[r?s.length-1:0];i.change(t=>{for(const e of s)i.deleteContent(t.createSelection(e,"in"))});const o=i.schema.getNearestSelectionRange(t.createPositionAt(e,0));o&&(n.is("documentSelection")?t.setSelection(o):n.setTo(o))}))}_setCellSelection(t,e){const n=this._getCellsToSelect(t,e);this.editor.model.change(t=>{t.setSelection(n.cells.map(e=>t.createRangeOn(e)),{backward:n.backward})})}_getModelTableCellFromDomEvent(t){const e=t.target,n=this.editor.editing.view.createPositionAt(e,0),o=this.editor.editing.mapper.toModelPosition(n).parent;if(o)return o.is("tableCell")?o:xg("tableCell",o)}_getCellsToSelect(t,e){const n=this.editor.plugins.get("TableUtils"),o=n.getCellLocation(t),i=n.getCellLocation(e),r=Math.min(o.row,i.row),s=Math.max(o.row,i.row),a=Math.min(o.column,i.column),c=Math.max(o.column,i.column),l=[];for(const e of new Eg(xg("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}(o,i)?{cells:l.reverse(),backward:!0}:{cells:l,backward:!1}}}function Dp(t,e){return t.parent.parent==e.parent.parent}class Lp extends ql{static get pluginName(){return"TableClipboard"}static get requires(){return[Rp]}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 n=this.editor.plugins.get("TableSelection");if(!n.getSelectedTableCells())return;if("cut"==t.name&&this.editor.isReadOnly)return;e.preventDefault(),t.stop();const o=this.editor.data,i=this.editor.editing.view.document,r=o.toView(n.getSelectionAsFragment());i.fire("clipboardOutput",{dataTransfer:e.dataTransfer,content:r,method:t.name})}}n(94);class jp{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:n})=>{n&&(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 n=this.model,o=n.document.selection,i=n.createRange(n.createPositionAt(o.focus.parent,0),o.focus),{text:r,range:s}=su(i,n),a=this.testCallback(r);if(!a&&this.hasMatch&&this.fire("unmatched"),this.hasMatch=!!a,a){const n=Object.assign(e,{text:r,range:s});"object"==typeof a&&Object.assign(n,a),this.fire(`matched:${t}`,n)}}}yn(jp,Ho);var Vp=/[\\^$.*+?()[\]{}|]/g,zp=RegExp(Vp.source);var Bp=function(t){return(t=Zn(t))&&zp.test(t)?t.replace(Vp,"\\$&"):t};const Fp={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:Yp('"'),to:[null,"“",null,"”"]},quotesSecondary:{from:Yp("'"),to:[null,"‘",null,"’"]},quotesPrimaryEnGb:{from:Yp("'"),to:[null,"‘",null,"’"]},quotesSecondaryEnGb:{from:Yp('"'),to:[null,"“",null,"”"]},quotesPrimaryPl:{from:Yp('"'),to:[null,"„",null,"”"]},quotesSecondaryPl:{from:Yp("'"),to:[null,"‚",null,"’"]}},Up={symbols:["copyright","registeredTrademark","trademark"],mathematical:["oneHalf","oneThird","twoThirds","oneForth","threeQuarters","lessThanOrEqual","greaterThanOrEqual","notEqual","arrowLeft","arrowRight"],typography:["horizontalEllipsis","enDash","emDash"],quotes:["quotesPrimary","quotesSecondary"]},Hp=["symbols","mathematical","typography","quotes"];function qp(t){return"string"==typeof t?new RegExp(`(${Bp(t)})$`):t}function Wp(t){return"string"==typeof t?()=>[t]:t instanceof Array?()=>t:t}function $p(t){return(t.textNode?t.textNode:t.nodeAfter).getAttributes()}function Yp(t){return new RegExp(`(^|\\s)(${t})([^${t}]*)(${t})$`)}n(96);class Gp extends Hl{}Gp.builtinPlugins=[class extends ql{static get requires(){return[Ql,nd,sd,_d,Bd]}static get pluginName(){return"Essentials"}},Yd,class extends ql{static get requires(){return[tu,iu]}static get pluginName(){return"Alignment"}},class extends ql{static get pluginName(){return"Autoformat"}afterInit(){this._addListAutoformats(),this._addBasicStylesAutoformats(),this._addHeadingAutoformats(),this._addBlockQuoteAutoformats(),this._addCodeBlockAutoformats()}_addListAutoformats(){const t=this.editor.commands;t.get("bulletedList")&&new ru(this.editor,/^[*-]\s$/,"bulletedList"),t.get("numberedList")&&new ru(this.editor,/^1[.|)]\s$/,"numberedList")}_addBasicStylesAutoformats(){const t=this.editor.commands;if(t.get("bold")){const t=lu(this.editor,"bold");new au(this.editor,/(\*\*)([^*]+)(\*\*)$/g,t),new au(this.editor,/(__)([^_]+)(__)$/g,t)}if(t.get("italic")){const t=lu(this.editor,"italic");new au(this.editor,/(?:^|[^*])(\*)([^*_]+)(\*)$/g,t),new au(this.editor,/(?:^|[^_])(_)([^_]+)(_)$/g,t)}if(t.get("code")){const t=lu(this.editor,"code");new au(this.editor,/(`)([^`]+)(`)$/g,t)}}_addHeadingAutoformats(){const t=this.editor.commands.get("heading");t&&t.modelElements.filter(t=>t.match(/^heading[1-6]$/)).forEach(e=>{const n=e[7],o=new RegExp(`^(#{${n}})\\s$`);new ru(this.editor,o,()=>{if(!t.isEnabled)return!1;this.editor.execute("heading",{value:e})})})}_addBlockQuoteAutoformats(){this.editor.commands.get("blockQuote")&&new ru(this.editor,/^>\s$/,"blockQuote")}_addCodeBlockAutoformats(){this.editor.commands.get("codeBlock")&&new ru(this.editor,/^```$/,"codeBlock")}},class extends ql{static get requires(){return[uu,hu]}static get pluginName(){return"Bold"}},class extends ql{static get requires(){return[fu,mu]}static get pluginName(){return"Italic"}},class extends ql{static get requires(){return[gu,pu]}static get pluginName(){return"Underline"}},class extends ql{static get requires(){return[vu,yu]}static get pluginName(){return"BlockQuote"}},class extends ql{static get pluginName(){return"CKFinder"}static get requires(){return[Sh,xu,Yd]}},class extends ql{static get requires(){return[Dh,lf,Tf]}static get pluginName(){return"EasyImage"}},class extends ql{static get requires(){return[Rf,jf]}static get pluginName(){return"FontColor"}},class extends ql{static get requires(){return[Wf,Yf]}static get pluginName(){return"Heading"}},lf,class extends ql{static get requires(){return[Kf]}static get pluginName(){return"ImageCaption"}},class extends ql{static get requires(){return[um,hm]}static get pluginName(){return"ImageStyle"}},class extends ql{static get requires(){return[fm]}static get pluginName(){return"ImageToolbar"}afterInit(){const t=this.editor,e=t.t;t.plugins.get(fm).register("image",{ariaLabel:e("b"),items:t.config.get("image.toolbar")||[],getRelatedElement:Du})}},Tf,class extends ql{static get pluginName(){return"Indent"}static get requires(){return[bm,_m]}},class extends ql{static get requires(){return[Ah,Am]}static get pluginName(){return"Link"}},class extends ql{static get requires(){return[Km,Zm]}static get pluginName(){return"List"}},class extends ql{static get requires(){return[ag,ug,lg,zh]}static get pluginName(){return"MediaEmbed"}},Bf,class extends ql{static get pluginName(){return"PasteFromOffice"}static get requires(){return[Ql]}init(){const t=this.editor,e=[];e.push(new yg),e.push(new pg(t.editing.view.document)),t.plugins.get("Clipboard").on("inputTransformation",(t,n)=>{if(n.isTransformedWithPasteFromOffice)return;const o=n.dataTransfer.getData("text/html"),i=e.find(t=>t.isActive(o));i&&(i.execute(n),n.isTransformedWithPasteFromOffice=!0)},{priority:"high"})}},class extends ql{static get requires(){return[Pp,Ep,Rp,Lp,zh]}static get pluginName(){return"Table"}},class extends ql{static get requires(){return[fm]}static get pluginName(){return"TableToolbar"}afterInit(){const t=this.editor,e=t.t,n=t.plugins.get(fm),o=t.config.get("table.contentToolbar"),i=t.config.get("table.tableToolbar");o&&n.register("tableContent",{ariaLabel:e("c"),items:o,getRelatedElement:Og}),i&&n.register("table",{ariaLabel:e("c"),items:i,getRelatedElement:Ng})}},class extends ql{static get pluginName(){return"TextTransformation"}constructor(t){super(t),t.config.define("typing",{transformations:{include:Hp}})}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,n=t.plugins.get("Input"),o=function(t){const e=t.extra||[],n=t.remove||[],o=t=>!n.includes(t);return function(t){const e=new Set;for(const n of t)if(Up[n])for(const t of Up[n])e.add(t);else e.add(n);return Array.from(e)}(t.include.concat(e).filter(o)).filter(o).map(t=>Fp[t]||t).map(t=>({from:qp(t.from),to:Wp(t.to)}))}(t.config.get("typing.transformations")),i=new jp(t.model,t=>{for(const e of o){if(e.from.test(t))return{normalizedTransformation:e}}});i.on("matched:data",(t,o)=>{if(!n.isInput(o.batch))return;const{from:i,to:r}=o.normalizedTransformation,s=i.exec(o.text),a=r(s.slice(1)),c=o.range;let l=s.index;e.enqueueChange(t=>{for(let n=1;n<s.length;n++){const o=s[n],i=a[n-1];if(null==i){l+=o.length;continue}const r=c.start.getShiftedBy(l),d=e.createRange(r,r.getShiftedBy(o.length)),u=$p(r);e.insertContent(t.createText(i,u),d),l+=i.length}})}),i.bind("isEnabled").to(this)}}],Gp.defaultConfig={toolbar:{items:["bold","italic","underline","link","bulletedList","numberedList","alignment","fontColor","imageUpload","insertTable"]},alignment:{options:["left","center","right"]},image:{toolbar:["imageStyle:full","imageStyle:side","|","imageTextAlternative"]},table:{contentToolbar:["tableColumn","tableRow","mergeTableCells"]},language:"pt-br"}}]).default}));
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