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var(--ck-color-button-action-active-shadow)}.ck.ck-button-action.ck-disabled,a.ck.ck-button-action.ck-disabled{background:var(--ck-color-button-action-disabled-background)}.ck.ck-button-action,a.ck.ck-button-action{color:var(--ck-color-button-action-text)}.ck.ck-button-bold,a.ck.ck-button-bold{font-weight:700}\"},function(t,e,n){var i=n(1);var o=n(32);o=o.__esModule?o.default:o;if(typeof o===\"string\"){o=[[t.i,o,\"\"]]}var s={injectType:\"singletonStyleTag\"};s.insert=\"head\";s.singleton=true;var r=i(o,s);t.exports=o.locals||{}},function(t,e){t.exports=\".ck.ck-list{-moz-user-select:none;-webkit-user-select:none;-ms-user-select:none;user-select:none;display:flex;flex-direction:column}.ck.ck-list .ck-list__item,.ck.ck-list .ck-list__separator{display:block}.ck.ck-list .ck-list__item>:focus{position:relative;z-index:var(--ck-z-default)}.ck.ck-list{border-radius:0}.ck-rounded-corners 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.ck-button__toggle{transition:background .4s ease;width:var(--ck-switch-button-toggle-width);background:var(--ck-color-switch-button-off-background)}.ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner{border-radius:0}.ck-rounded-corners .ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner,.ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner.ck-rounded-corners{border-radius:var(--ck-border-radius);border-radius:calc(0.5*var(--ck-border-radius))}.ck.ck-button.ck-switchbutton .ck-button__toggle .ck-button__toggle__inner{margin:var(--ck-switch-button-toggle-spacing);width:var(--ck-switch-button-toggle-inner-size);height:var(--ck-switch-button-toggle-inner-size);background:var(--ck-color-switch-button-inner-background);transition:all .3s ease}.ck.ck-button.ck-switchbutton .ck-button__toggle:hover{background:var(--ck-color-switch-button-off-hover-background)}.ck.ck-button.ck-switchbutton .ck-button__toggle:hover .ck-button__toggle__inner{box-shadow:0 0 0 5px var(--ck-color-switch-button-inner-shadow)}.ck.ck-button.ck-switchbutton.ck-disabled .ck-button__toggle{opacity:var(--ck-disabled-opacity)}.ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle{background:var(--ck-color-switch-button-on-background)}.ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle:hover{background:var(--ck-color-switch-button-on-hover-background)}[dir=ltr] .ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle .ck-button__toggle__inner{transform:translateX(var(--ck-switch-button-translation))}[dir=rtl] .ck.ck-button.ck-switchbutton.ck-on .ck-button__toggle .ck-button__toggle__inner{transform:translateX(calc(-1*var(--ck-switch-button-translation)))}\"},function(t,e,n){var i=n(1);var o=n(36);o=o.__esModule?o.default:o;if(typeof o===\"string\"){o=[[t.i,o,\"\"]]}var s={injectType:\"singletonStyleTag\"};s.insert=\"head\";s.singleton=true;var r=i(o,s);t.exports=o.locals||{}},function(t,e){t.exports=\".ck.ck-toolbar-dropdown 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var(--ck-color-image-upload-icon);border-right:var(--ck-image-upload-icon-width) solid var(--ck-color-image-upload-icon);animation-name:ck-upload-complete-icon-check;animation-duration:.5s;animation-delay:.5s;animation-fill-mode:forwards;box-sizing:border-box}@keyframes ck-upload-complete-icon-show{0%{opacity:0}to{opacity:1}}@keyframes ck-upload-complete-icon-hide{0%{opacity:1}to{opacity:0}}@keyframes ck-upload-complete-icon-check{0%{opacity:1;width:0;height:0}33%{width:.3em;height:0}to{opacity:1;width:.3em;height:.45em}}'},function(t,e,n){var i=n(1);var o=n(77);o=o.__esModule?o.default:o;if(typeof o===\"string\"){o=[[t.i,o,\"\"]]}var s={injectType:\"singletonStyleTag\"};s.insert=\"head\";s.singleton=true;var r=i(o,s);t.exports=o.locals||{}},function(t,e){t.exports='.ck .ck-upload-placeholder-loader{position:absolute;display:flex;align-items:center;justify-content:center;top:0;left:0}.ck 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.ck-input-text{min-width:0;width:100%}.ck.ck-link-form .ck-button{padding:var(--ck-spacing-standard);margin-top:var(--ck-spacing-standard);border-radius:0;border:0;border-top:1px solid var(--ck-color-base-border)}[dir=ltr] .ck.ck-link-form .ck-button{margin-left:0}[dir=ltr] .ck.ck-link-form .ck-button:first-of-type{border-right:1px solid var(--ck-color-base-border)}[dir=rtl] .ck.ck-link-form .ck-button{margin-left:0}[dir=rtl] .ck.ck-link-form .ck-button:last-of-type{border-right:1px solid var(--ck-color-base-border)}}.ck.ck-link-form_layout-vertical{padding:0;min-width:var(--ck-input-text-width)}.ck.ck-link-form_layout-vertical .ck-labeled-field-view{margin:var(--ck-spacing-standard) var(--ck-spacing-standard) var(--ck-spacing-small)}.ck.ck-link-form_layout-vertical .ck-labeled-field-view .ck-input-text{min-width:0;width:100%}.ck.ck-link-form_layout-vertical .ck-button{padding:var(--ck-spacing-standard);margin:0;border-radius:0;border:0;border-top:1px solid var(--ck-color-base-border);width:50%}[dir=ltr] .ck.ck-link-form_layout-vertical .ck-button{margin-left:0}[dir=ltr] .ck.ck-link-form_layout-vertical .ck-button:first-of-type{border-right:1px solid var(--ck-color-base-border)}[dir=rtl] .ck.ck-link-form_layout-vertical .ck-button{margin-left:0}[dir=rtl] .ck.ck-link-form_layout-vertical .ck-button:last-of-type{border-right:1px solid var(--ck-color-base-border)}.ck.ck-link-form_layout-vertical .ck.ck-list{margin-left:0}.ck.ck-link-form_layout-vertical .ck.ck-list .ck-button.ck-switchbutton{border:0;width:100%}.ck.ck-link-form_layout-vertical .ck.ck-list .ck-button.ck-switchbutton:hover{background:none}\"},function(t,e,n){var i=n(1);var o=n(83);o=o.__esModule?o.default:o;if(typeof o===\"string\"){o=[[t.i,o,\"\"]]}var s={injectType:\"singletonStyleTag\"};s.insert=\"head\";s.singleton=true;var r=i(o,s);t.exports=o.locals||{}},function(t,e){t.exports=\".ck.ck-link-actions{display:flex;flex-direction:row;flex-wrap:nowrap}.ck.ck-link-actions 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this._consumables.get(t)||[]}setNormalizer(t,e){this._normalizers.set(t,e)}setExtractor(t,e){this._extractors.set(t,e)}setReducer(t,e){this._reducers.set(t,e)}setStyleRelation(t,e){this._mapStyleNames(t,e);for(const n of e){this._mapStyleNames(n,[t])}}_mapStyleNames(t,e){if(!this._consumables.has(t)){this._consumables.set(t,[])}this._consumables.get(t).push(...e)}}function Dc(t){let e=null;let n=0;let i=0;let o=null;const s=new Map;if(t===\"\"){return s}if(t.charAt(t.length-1)!=\";\"){t=t+\";\"}for(let r=0;r<t.length;r++){const a=t.charAt(r);if(e===null){switch(a){case\":\":if(!o){o=t.substr(n,r-n);i=r+1}break;case'\"':case\"'\":e=a;break;case\";\":{const e=t.substr(i,r-i);if(o){s.set(o.trim(),e.trim())}o=null;n=r+1;break}}}else if(a===e){e=null}}return s}function Lc(t){return t.replace(\"-\",\".\")}function zc(t,e,n){let i=n;if(ct(n)){i=Sc({},Ba(t,e),n)}Nc(t,e,i)}class Vc extends jr{constructor(t,e,n,i){super(t);this.name=e;this._attrs=jc(n);this._children=[];if(i){this._insertChild(0,i)}this._classes=new Set;if(this._attrs.has(\"class\")){const t=this._attrs.get(\"class\");Bc(this._classes,t);this._attrs.delete(\"class\")}this._styles=new Oc(this.document.stylesProcessor);if(this._attrs.has(\"style\")){this._styles.setTo(this._attrs.get(\"style\"));this._attrs.delete(\"style\")}this._customProperties=new Map}get childCount(){return this._children.length}get isEmpty(){return this._children.length===0}is(t,e=null){if(!e){return t===this.name||t===\"view:\"+this.name||t===\"element\"||t===\"view:element\"||t===\"node\"||t===\"view:node\"}else{return e===this.name&&(t===\"element\"||t===\"view:element\")}}getChild(t){return this._children[t]}getChildIndex(t){return this._children.indexOf(t)}getChildren(){return this._children[Symbol.iterator]()}*getAttributeKeys(){if(this._classes.size>0){yield\"class\"}if(!this._styles.isEmpty){yield\"style\"}yield*this._attrs.keys()}*getAttributes(){yield*this._attrs.entries();if(this._classes.size>0){yield[\"class\",this.getAttribute(\"class\")]}if(!this._styles.isEmpty){yield[\"style\",this.getAttribute(\"style\")]}}getAttribute(t){if(t==\"class\"){if(this._classes.size>0){return[...this._classes].join(\" \")}return undefined}if(t==\"style\"){const t=this._styles.toString();return t==\"\"?undefined:t}return this._attrs.get(t)}hasAttribute(t){if(t==\"class\"){return this._classes.size>0}if(t==\"style\"){return!this._styles.isEmpty}return this._attrs.has(t)}isSimilar(t){if(!(t instanceof Vc)){return false}if(this===t){return true}if(this.name!=t.name){return false}if(this._attrs.size!==t._attrs.size||this._classes.size!==t._classes.size||this._styles.size!==t._styles.size){return false}for(const[e,n]of this._attrs){if(!t._attrs.has(e)||t._attrs.get(e)!==n){return false}}for(const e of this._classes){if(!t._classes.has(e)){return false}}for(const e of this._styles.getStyleNames()){if(!t._styles.has(e)||t._styles.getAsString(e)!==this._styles.getAsString(e)){return false}}return true}hasClass(...t){for(const e of t){if(!this._classes.has(e)){return false}}return true}getClassNames(){return this._classes.keys()}getStyle(t){return this._styles.getAsString(t)}getNormalizedStyle(t){return this._styles.getNormalized(t)}getStyleNames(){return this._styles.getStyleNames()}hasStyle(...t){for(const e of t){if(!this._styles.has(e)){return false}}return true}findAncestor(...t){const e=new Wr(...t);let n=this.parent;while(n){if(e.match(n)){return n}n=n.parent}return null}getCustomProperty(t){return this._customProperties.get(t)}*getCustomProperties(){yield*this._customProperties.entries()}getIdentity(){const t=Array.from(this._classes).sort().join(\",\");const e=this._styles.toString();const n=Array.from(this._attrs).map(t=>`${t[0]}=\"${t[1]}\"`).sort().join(\" \");return this.name+(t==\"\"?\"\":` class=\"${t}\"`)+(!e?\"\":` style=\"${e}\"`)+(n==\"\"?\"\":` ${n}`)}_clone(t=false){const e=[];if(t){for(const n of this.getChildren()){e.push(n._clone(t))}}const n=new this.constructor(this.document,this.name,this._attrs,e);n._classes=new Set(this._classes);n._styles.set(this._styles.getNormalized());n._customProperties=new Map(this._customProperties);n.getFillerOffset=this.getFillerOffset;return n}_appendChild(t){return this._insertChild(this.childCount,t)}_insertChild(t,e){this._fireChange(\"children\",this);let n=0;const i=Fc(this.document,e);for(const e of i){if(e.parent!==null){e._remove()}e.parent=this;e.document=this.document;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)}_setAttribute(t,e){e=String(e);this._fireChange(\"attributes\",this);if(t==\"class\"){Bc(this._classes,e)}else if(t==\"style\"){this._styles.setTo(e)}else{this._attrs.set(t,e)}}_removeAttribute(t){this._fireChange(\"attributes\",this);if(t==\"class\"){if(this._classes.size>0){this._classes.clear();return true}return false}if(t==\"style\"){if(!this._styles.isEmpty){this._styles.clear();return true}return false}return this._attrs.delete(t)}_addClass(t){this._fireChange(\"attributes\",this);t=Array.isArray(t)?t:[t];t.forEach(t=>this._classes.add(t))}_removeClass(t){this._fireChange(\"attributes\",this);t=Array.isArray(t)?t:[t];t.forEach(t=>this._classes.delete(t))}_setStyle(t,e){this._fireChange(\"attributes\",this);this._styles.set(t,e)}_removeStyle(t){this._fireChange(\"attributes\",this);t=Array.isArray(t)?t:[t];t.forEach(t=>this._styles.remove(t))}_setCustomProperty(t,e){this._customProperties.set(t,e)}_removeCustomProperty(t){return this._customProperties.delete(t)}}function jc(t){t=Ur(t);for(const[e,n]of t){if(n===null){t.delete(e)}else if(typeof n!=\"string\"){t.set(e,String(n))}}return t}function Bc(t,e){const n=e.split(/\\s+/);t.clear();n.forEach(e=>t.add(e))}function Fc(t,e){if(typeof e==\"string\"){return[new Br(t,e)]}if(!vr(e)){e=[e]}return Array.from(e).map(e=>{if(typeof e==\"string\"){return new Br(t,e)}if(e instanceof Fr){return new Br(t,e.data)}return e})}class Hc extends Vc{constructor(t,e,n,i){super(t,e,n,i);this.getFillerOffset=Uc}is(t,e=null){if(!e){return t===\"containerElement\"||t===\"view:containerElement\"||t===this.name||t===\"view:\"+this.name||t===\"element\"||t===\"view:element\"||t===\"node\"||t===\"view:node\"}else{return e===this.name&&(t===\"containerElement\"||t===\"view:containerElement\"||t===\"element\"||t===\"view:element\")}}}function Uc(){const t=[...this.getChildren()];const 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 Wc=Cc((function(t,e){ze(e,di(e),t)}));var qc=Wc;const $c=Symbol(\"observableProperties\");const Yc=Symbol(\"boundObservables\");const Gc=Symbol(\"boundProperties\");const Qc={set(t,e){if(ct(t)){Object.keys(t).forEach(e=>{this.set(e,t[e])},this);return}Jc(this);const n=this[$c];if(t in this&&!n.has(t)){throw new rr[\"b\"](\"observable-set-cannot-override: Cannot override an existing property.\",this)}Object.defineProperty(this,t,{enumerable:true,configurable:true,get(){return n.get(t)},set(e){const i=n.get(t);let o=this.fire(\"set:\"+t,t,e,i);if(o===undefined){o=e}if(i!==o||!n.has(t)){n.set(t,o);this.fire(\"change:\"+t,t,o,i)}}});this[t]=e},bind(...t){if(!t.length||!el(t)){throw new rr[\"b\"](\"observable-bind-wrong-properties: All properties must be strings.\",this)}if(new Set(t).size!==t.length){throw new rr[\"b\"](\"observable-bind-duplicate-properties: Properties must be unique.\",this)}Jc(this);const e=this[Gc];t.forEach(t=>{if(e.has(t)){throw new rr[\"b\"](\"observable-bind-rebind: Cannot bind the same property more than once.\",this)}});const n=new Map;t.forEach(t=>{const i={property:t,to:[]};e.set(t,i);n.set(t,i)});return{to:Zc,toMany:Xc,_observable:this,_bindProperties:t,_to:[],_bindings:n}},unbind(...t){if(!this[$c]){return}const e=this[Gc];const n=this[Yc];if(t.length){if(!el(t)){throw new rr[\"b\"](\"observable-unbind-wrong-properties: Properties must be strings.\",this)}t.forEach(t=>{const i=e.get(t);if(!i){return}let o,s,r,a;i.to.forEach(t=>{o=t[0];s=t[1];r=n.get(o);a=r[s];a.delete(i);if(!a.size){delete r[s]}if(!Object.keys(r).length){n.delete(o);this.stopListening(o,\"change\")}});e.delete(t)})}else{n.forEach((t,e)=>{this.stopListening(e,\"change\")});n.clear();e.clear()}},decorate(t){const e=this[t];if(!e){throw new rr[\"b\"](\"observablemixin-cannot-decorate-undefined: Cannot decorate an undefined method.\",this,{object:this,methodName:t})}this.on(t,(t,n)=>{t.return=e.apply(this,n)});this[t]=function(...e){return this.fire(t,e)}}};qc(Qc,dr);var Kc=Qc;function Jc(t){if(t[$c]){return}Object.defineProperty(t,$c,{value:new Map});Object.defineProperty(t,Yc,{value:new Map});Object.defineProperty(t,Gc,{value:new Map})}function Zc(...t){const e=nl(...t);const n=Array.from(this._bindings.keys());const i=n.length;if(!e.callback&&e.to.length>1){throw new rr[\"b\"](\"observable-bind-to-no-callback: Binding multiple observables only possible with callback.\",this)}if(i>1&&e.callback){throw new rr[\"b\"](\"observable-bind-to-extra-callback: Cannot bind multiple properties and use a callback in one binding.\",this)}e.to.forEach(t=>{if(t.properties.length&&t.properties.length!==i){throw new rr[\"b\"](\"observable-bind-to-properties-length: The number of properties must match.\",this)}if(!t.properties.length){t.properties=this._bindProperties}});this._to=e.to;if(e.callback){this._bindings.get(n[0]).callback=e.callback}rl(this._observable,this._to);ol(this);this._bindProperties.forEach(t=>{sl(this._observable,t)})}function Xc(t,e,n){if(this._bindings.size>1){throw new rr[\"b\"](\"observable-bind-to-many-not-one-binding: Cannot bind multiple properties with toMany().\",this)}this.to(...tl(t,e),n)}function tl(t,e){const n=t.map(t=>[t,e]);return Array.prototype.concat.apply([],n)}function el(t){return t.every(t=>typeof t==\"string\")}function nl(...t){if(!t.length){throw new rr[\"b\"](\"observable-bind-to-parse-error: Invalid argument syntax in `to()`.\",null)}const e={to:[]};let n;if(typeof t[t.length-1]==\"function\"){e.callback=t.pop()}t.forEach(t=>{if(typeof t==\"string\"){n.properties.push(t)}else if(typeof t==\"object\"){n={observable:t,properties:[]};e.to.push(n)}else{throw new rr[\"b\"](\"observable-bind-to-parse-error: Invalid argument syntax in `to()`.\",null)}});return e}function il(t,e,n,i){const o=t[Yc];const s=o.get(n);const r=s||{};if(!r[i]){r[i]=new Set}r[i].add(e);if(!s){o.set(n,r)}}function ol(t){let e;t._bindings.forEach((n,i)=>{t._to.forEach(o=>{e=o.properties[n.callback?0:t._bindProperties.indexOf(i)];n.to.push([o.observable,e]);il(t._observable,n,o.observable,e)})})}function sl(t,e){const n=t[Gc];const i=n.get(e);let o;if(i.callback){o=i.callback.apply(t,i.to.map(t=>t[0][t[1]]))}else{o=i.to[0];o=o[0][o[1]]}if(t.hasOwnProperty(e)){t[e]=o}else{t.set(e,o)}}function rl(t,e){e.forEach(e=>{const n=t[Yc];let i;if(!n.get(e.observable)){t.listenTo(e.observable,\"change\",(o,s)=>{i=n.get(e.observable)[s];if(i){i.forEach(e=>{sl(t,e.property)})}})}})}class al extends Hc{constructor(t,e,n,i){super(t,e,n,i);this.set(\"isReadOnly\",false);this.set(\"isFocused\",false);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){if(!e){return t===\"editableElement\"||t===\"view:editableElement\"||t===\"containerElement\"||t===\"view:containerElement\"||t===this.name||t===\"view:\"+this.name||t===\"element\"||t===\"view:element\"||t===\"node\"||t===\"view:node\"}else{return e===this.name&&(t===\"editableElement\"||t===\"view:editableElement\"||t===\"containerElement\"||t===\"view:containerElement\"||t===\"element\"||t===\"view:element\")}}destroy(){this.stopListening()}}yr(al,Kc);const cl=Symbol(\"rootName\");class ll extends al{constructor(t,e){super(t,e);this.rootName=\"main\"}is(t,e=null){if(!e){return t===\"rootElement\"||t===\"view:rootElement\"||t===\"editableElement\"||t===\"view:editableElement\"||t===\"containerElement\"||t===\"view:containerElement\"||t===this.name||t===\"view:\"+this.name||t===\"element\"||t===\"view:element\"||t===\"node\"||t===\"view:node\"}else{return e===this.name&&(t===\"rootElement\"||t===\"view:rootElement\"||t===\"editableElement\"||t===\"view:editableElement\"||t===\"containerElement\"||t===\"view:containerElement\"||t===\"element\"||t===\"view:element\")}}get rootName(){return this.getCustomProperty(cl)}set rootName(t){this._setCustomProperty(cl,t)}set _name(t){this.name=t}}class dl{constructor(t={}){if(!t.boundaries&&!t.startPosition){throw new rr[\"b\"](\"view-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.\",null)}if(t.direction&&t.direction!=\"forward\"&&t.direction!=\"backward\"){throw new rr[\"b\"](\"view-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.\",t.startPosition,{direction:t.direction})}this.boundaries=t.boundaries||null;if(t.startPosition){this.position=ul._createAt(t.startPosition)}else{this.position=ul._createAt(t.boundaries[t.direction==\"backward\"?\"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,i;do{i=this.position;({done:e,value:n}=this.next())}while(!e&&t(n));if(!e){this.position=i}}next(){if(this.direction==\"forward\"){return this._next()}else{return this._previous()}}_next(){let t=this.position.clone();const e=this.position;const n=t.parent;if(n.parent===null&&t.offset===n.childCount){return{done:true}}if(n===this._boundaryEndParent&&t.offset==this.boundaries.end.offset){return{done:true}}let i;if(n instanceof Br){if(t.isAtEnd){this.position=ul._createAfter(n);return this._next()}i=n.data[t.offset]}else{i=n.getChild(t.offset)}if(i instanceof Vc){if(!this.shallow){t=new ul(i,0)}else{t.offset++}this.position=t;return this._formatReturnValue(\"elementStart\",i,e,t,1)}else if(i instanceof Br){if(this.singleCharacters){t=new ul(i,0);this.position=t;return this._next()}else{let n=i.data.length;let o;if(i==this._boundaryEndParent){n=this.boundaries.end.offset;o=new Fr(i,0,n);t=ul._createAfter(o)}else{o=new Fr(i,0,i.data.length);t.offset++}this.position=t;return this._formatReturnValue(\"text\",o,e,t,n)}}else if(typeof i==\"string\"){let i;if(this.singleCharacters){i=1}else{const e=n===this._boundaryEndParent?this.boundaries.end.offset:n.data.length;i=e-t.offset}const o=new Fr(n,t.offset,i);t.offset+=i;this.position=t;return this._formatReturnValue(\"text\",o,e,t,i)}else{t=ul._createAfter(n);this.position=t;if(this.ignoreElementEnd){return this._next()}else{return this._formatReturnValue(\"elementEnd\",n,e,t)}}}_previous(){let t=this.position.clone();const e=this.position;const n=t.parent;if(n.parent===null&&t.offset===0){return{done:true}}if(n==this._boundaryStartParent&&t.offset==this.boundaries.start.offset){return{done:true}}let i;if(n instanceof Br){if(t.isAtStart){this.position=ul._createBefore(n);return this._previous()}i=n.data[t.offset-1]}else{i=n.getChild(t.offset-1)}if(i instanceof Vc){if(!this.shallow){t=new ul(i,i.childCount);this.position=t;if(this.ignoreElementEnd){return this._previous()}else{return this._formatReturnValue(\"elementEnd\",i,e,t)}}else{t.offset--;this.position=t;return this._formatReturnValue(\"elementStart\",i,e,t,1)}}else if(i instanceof Br){if(this.singleCharacters){t=new ul(i,i.data.length);this.position=t;return this._previous()}else{let n=i.data.length;let o;if(i==this._boundaryStartParent){const e=this.boundaries.start.offset;o=new Fr(i,e,i.data.length-e);n=o.data.length;t=ul._createBefore(o)}else{o=new Fr(i,0,i.data.length);t.offset--}this.position=t;return this._formatReturnValue(\"text\",o,e,t,n)}}else if(typeof i==\"string\"){let i;if(!this.singleCharacters){const e=n===this._boundaryStartParent?this.boundaries.start.offset:0;i=t.offset-e}else{i=1}t.offset-=i;const o=new Fr(n,t.offset,i);this.position=t;return this._formatReturnValue(\"text\",o,e,t,i)}else{t=ul._createBefore(n);this.position=t;return this._formatReturnValue(\"elementStart\",n,e,t,1)}}_formatReturnValue(t,e,n,i,o){if(e instanceof Fr){if(e.offsetInText+e.data.length==e.textNode.data.length){if(this.direction==\"forward\"&&!(this.boundaries&&this.boundaries.end.isEqual(this.position))){i=ul._createAfter(e.textNode);this.position=i}else{n=ul._createAfter(e.textNode)}}if(e.offsetInText===0){if(this.direction==\"backward\"&&!(this.boundaries&&this.boundaries.start.isEqual(this.position))){i=ul._createBefore(e.textNode);this.position=i}else{n=ul._createBefore(e.textNode)}}}return{done:false,value:{type:t,item:e,previousPosition:n,nextPosition:i,length:o}}}}class ul{constructor(t,e){this.parent=t;this.offset=e}get nodeAfter(){if(this.parent.is(\"text\")){return null}return this.parent.getChild(this.offset)||null}get nodeBefore(){if(this.parent.is(\"text\")){return null}return this.parent.getChild(this.offset-1)||null}get isAtStart(){return this.offset===0}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;while(!(t instanceof al)){if(t.parent){t=t.parent}else{return null}}return t}getShiftedBy(t){const e=ul._createAt(this);const n=e.offset+t;e.offset=n<0?0:n;return e}getLastMatchingPosition(t,e={}){e.startPosition=this;const n=new dl(e);n.skip(t);return n.position}getAncestors(){if(this.parent.is(\"documentFragment\")){return[this.parent]}else{return this.parent.getAncestors({includeSelf:true})}}getCommonAncestor(t){const e=this.getAncestors();const n=t.getAncestors();let i=0;while(e[i]==n[i]&&e[i]){i++}return i===0?null:e[i-1]}is(t){return t===\"position\"||t===\"view:position\"}isEqual(t){return this.parent==t.parent&&this.offset==t.offset}isBefore(t){return this.compareWith(t)==\"before\"}isAfter(t){return this.compareWith(t)==\"after\"}compareWith(t){if(this.root!==t.root){return\"different\"}if(this.isEqual(t)){return\"same\"}const e=this.parent.is(\"node\")?this.parent.getPath():[];const n=t.parent.is(\"node\")?t.parent.getPath():[];e.push(this.offset);n.push(t.offset);const i=Dr(e,n);switch(i){case\"prefix\":return\"before\";case\"extension\":return\"after\";default:return e[i]<n[i]?\"before\":\"after\"}}getWalker(t={}){t.startPosition=this;return new dl(t)}clone(){return new ul(this.parent,this.offset)}static _createAt(t,e){if(t instanceof ul){return new this(t.parent,t.offset)}else{const n=t;if(e==\"end\"){e=n.is(\"text\")?n.data.length:n.childCount}else if(e==\"before\"){return this._createBefore(n)}else if(e==\"after\"){return this._createAfter(n)}else if(e!==0&&!e){throw new rr[\"b\"](\"view-createPositionAt-offset-required: \"+\"View#createPositionAt() requires the offset when the first parameter is a view item.\",n)}return new ul(n,e)}}static _createAfter(t){if(t.is(\"textProxy\")){return new ul(t.textNode,t.offsetInText+t.data.length)}if(!t.parent){throw new rr[\"b\"](\"view-position-after-root: You can not make position after root.\",t,{root:t})}return new ul(t.parent,t.index+1)}static _createBefore(t){if(t.is(\"textProxy\")){return new ul(t.textNode,t.offsetInText)}if(!t.parent){throw new rr[\"b\"](\"view-position-before-root: You can not make position before root.\",t,{root:t})}return new ul(t.parent,t.index)}}class hl{constructor(t,e=null){this.start=t.clone();this.end=e?e.clone():t.clone()}*[Symbol.iterator](){yield*new dl({boundaries:this,ignoreElementEnd:true})}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(fl,{direction:\"backward\"});let e=this.end.getLastMatchingPosition(fl);if(t.parent.is(\"text\")&&t.isAtStart){t=ul._createBefore(t.parent)}if(e.parent.is(\"text\")&&e.isAtEnd){e=ul._createAfter(e.parent)}return new hl(t,e)}getTrimmed(){let t=this.start.getLastMatchingPosition(fl);if(t.isAfter(this.end)||t.isEqual(this.end)){return new hl(t,t)}let e=this.end.getLastMatchingPosition(fl,{direction:\"backward\"});const n=t.nodeAfter;const i=e.nodeBefore;if(n&&n.is(\"text\")){t=new ul(n,0)}if(i&&i.is(\"text\")){e=new ul(i,i.data.length)}return new hl(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=false){if(t.isCollapsed){e=false}const n=this.containsPosition(t.start)||e&&this.start.isEqual(t.start);const i=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return n&&i}getDifference(t){const e=[];if(this.isIntersecting(t)){if(this.containsPosition(t.start)){e.push(new hl(this.start,t.start))}if(this.containsPosition(t.end)){e.push(new hl(t.end,this.end))}}else{e.push(this.clone())}return e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start;let n=this.end;if(this.containsPosition(t.start)){e=t.start}if(this.containsPosition(t.end)){n=t.end}return new hl(e,n)}return null}getWalker(t={}){t.boundaries=this;return new dl(t)}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed){return null}let t=this.start.nodeAfter;let e=this.end.nodeBefore;if(this.start.parent.is(\"text\")&&this.start.isAtEnd&&this.start.parent.nextSibling){t=this.start.parent.nextSibling}if(this.end.parent.is(\"text\")&&this.end.isAtStart&&this.end.parent.previousSibling){e=this.end.parent.previousSibling}if(t&&t.is(\"element\")&&t===e){return t}return null}clone(){return new hl(this.start,this.end)}*getItems(t={}){t.boundaries=this;t.ignoreElementEnd=true;const e=new dl(t);for(const t of e){yield t.item}}*getPositions(t={}){t.boundaries=this;const e=new dl(t);yield e.position;for(const t of e){yield t.nextPosition}}is(t){return t===\"range\"||t===\"view:range\"}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}static _createFromParentsAndOffsets(t,e,n,i){return new this(new ul(t,e),new ul(n,i))}static _createFromPositionAndShift(t,e){const n=t;const i=t.getShiftedBy(e);return e>0?new this(n,i):new this(i,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(ul._createBefore(t),e)}}function fl(t){if(t.item.is(\"attributeElement\")||t.item.is(\"uiElement\")){return true}return false}function ml(t){let e=0;for(const n of t){e++}return e}class gl{constructor(t=null,e,n){this._ranges=[];this._lastRangeBackward=false;this._isFake=false;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];const e=this._lastRangeBackward?t.end:t.start;return e.clone()}get focus(){if(!this._ranges.length){return null}const t=this._ranges[this._ranges.length-1];const e=this._lastRangeBackward?t.start:t.end;return e.clone()}get isCollapsed(){return this.rangeCount===1&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}get editableElement(){if(this.anchor){return this.anchor.editableElement}return null}*getRanges(){for(const t of this._ranges){yield t.clone()}}getFirstRange(){let t=null;for(const e of this._ranges){if(!t||e.start.isBefore(t.start)){t=e}}return t?t.clone():null}getLastRange(){let t=null;for(const e of this._ranges){if(!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 false}if(this.isFake&&this.fakeSelectionLabel!=t.fakeSelectionLabel){return false}if(this.rangeCount!=t.rangeCount){return false}else if(this.rangeCount===0){return true}if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus)){return false}for(const e of this._ranges){let n=false;for(const i of t._ranges){if(e.isEqual(i)){n=true;break}}if(!n){return false}}return true}isSimilar(t){if(this.isBackward!=t.isBackward){return false}const e=ml(this.getRanges());const n=ml(t.getRanges());if(e!=n){return false}if(e==0){return true}for(let e of this.getRanges()){e=e.getTrimmed();let n=false;for(let i of t.getRanges()){i=i.getTrimmed();if(e.start.isEqual(i.start)&&e.end.isEqual(i.end)){n=true;break}}if(!n){return false}}return true}getSelectedElement(){if(this.rangeCount!==1){return null}return this.getFirstRange().getContainedElement()}setTo(t,e,n){if(t===null){this._setRanges([]);this._setFakeOptions(e)}else if(t instanceof gl||t instanceof pl){this._setRanges(t.getRanges(),t.isBackward);this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel})}else if(t instanceof hl){this._setRanges([t],e&&e.backward);this._setFakeOptions(e)}else if(t instanceof ul){this._setRanges([new hl(t)]);this._setFakeOptions(e)}else if(t instanceof jr){const i=!!n&&!!n.backward;let o;if(e===undefined){throw new rr[\"b\"](\"view-selection-setTo-required-second-parameter: \"+\"selection.setTo requires the second parameter when the first parameter is a node.\",this)}else if(e==\"in\"){o=hl._createIn(t)}else if(e==\"on\"){o=hl._createOn(t)}else{o=new hl(ul._createAt(t,e))}this._setRanges([o],i);this._setFakeOptions(n)}else if(vr(t)){this._setRanges(t,e&&e.backward);this._setFakeOptions(e)}else{throw new rr[\"b\"](\"view-selection-setTo-not-selectable: Cannot set selection to given place.\",this)}this.fire(\"change\")}setFocus(t,e){if(this.anchor===null){throw new rr[\"b\"](\"view-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.\",this)}const n=ul._createAt(t,e);if(n.compareWith(this.focus)==\"same\"){return}const i=this.anchor;this._ranges.pop();if(n.compareWith(i)==\"before\"){this._addRange(new hl(n,i),true)}else{this._addRange(new hl(i,n))}this.fire(\"change\")}is(t){return t===\"selection\"||t===\"view:selection\"}_setRanges(t,e=false){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=false){if(!(t instanceof hl)){throw new rr[\"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 rr[\"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 hl(t.start,t.end))}}yr(gl,dr);class pl{constructor(t=null,e,n){this._selection=new gl;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 t===\"selection\"||t==\"documentSelection\"||t==\"view:selection\"||t==\"view:documentSelection\"}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setFocus(t,e){this._selection.setFocus(t,e)}}yr(pl,dr);class bl{constructor(t){this.selection=new pl;this.roots=new xr({idProperty:\"rootName\"});this.stylesProcessor=t;this.set(\"isReadOnly\",false);this.set(\"isFocused\",false);this.set(\"isComposing\",false);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=false;do{for(const n of this._postFixers){e=n(t);if(e){break}}}while(e)}}yr(bl,Kc);const wl=10;class _l extends Vc{constructor(t,e,n,i){super(t,e,n,i);this.getFillerOffset=kl;this._priority=wl;this._id=null;this._clonesGroup=null}get priority(){return this._priority}get id(){return this._id}getElementsWithSameId(){if(this.id===null){throw new rr[\"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){if(!e){return t===\"attributeElement\"||t===\"view:attributeElement\"||t===this.name||t===\"view:\"+this.name||t===\"element\"||t===\"view:element\"||t===\"node\"||t===\"view:node\"}else{return e===this.name&&(t===\"attributeElement\"||t===\"view:attributeElement\"||t===\"element\"||t===\"view:element\")}}isSimilar(t){if(this.id!==null||t.id!==null){return this.id===t.id}return super.isSimilar(t)&&this.priority==t.priority}_clone(t){const e=super._clone(t);e._priority=this._priority;e._id=this._id;return e}}_l.DEFAULT_PRIORITY=wl;function kl(){if(vl(this)){return null}let t=this.parent;while(t&&t.is(\"attributeElement\")){if(vl(t)>1){return null}t=t.parent}if(!t||vl(t)>1){return null}return this.childCount}function vl(t){return Array.from(t.getChildren()).filter(t=>!t.is(\"uiElement\")).length}class yl extends Vc{constructor(t,e,n,i){super(t,e,n,i);this.getFillerOffset=xl}is(t,e=null){if(!e){return t===\"emptyElement\"||t===\"view:emptyElement\"||t===this.name||t===\"view:\"+this.name||t===\"element\"||t===\"view:element\"||t===\"node\"||t===\"view:node\"}else{return e===this.name&&(t===\"emptyElement\"||t===\"view:emptyElement\"||t===\"element\"||t===\"view:element\")}}_insertChild(t,e){if(e&&(e instanceof jr||Array.from(e).length>0)){throw new rr[\"b\"](\"view-emptyelement-cannot-add: Cannot add child nodes to EmptyElement instance.\",[this,e])}}}function xl(){return null}const Al=navigator.userAgent.toLowerCase();const Tl={isMac:Pl(Al),isGecko:Sl(Al),isSafari:El(Al),isAndroid:Ml(Al),features:{isRegExpUnicodePropertySupported:Il()}};var Cl=Tl;function Pl(t){return t.indexOf(\"macintosh\")>-1}function Sl(t){return!!t.match(/gecko\\/\\d+/)}function El(t){return t.indexOf(\" applewebkit/\")>-1&&t.indexOf(\"chrome\")===-1}function Ml(t){return t.indexOf(\"android\")>-1}function Il(){let t=false;try{t=\"ć\".search(new RegExp(\"[\\\\p{L}]\",\"u\"))===0}catch(t){}return t}const Nl={\"⌘\":\"ctrl\",\"⇧\":\"shift\",\"⌥\":\"alt\"};const Ol={ctrl:\"⌘\",shift:\"⇧\",alt:\"⌥\"};const Rl=Vl();function Dl(t){let e;if(typeof t==\"string\"){e=Rl[t.toLowerCase()];if(!e){throw new rr[\"b\"](\"keyboard-unknown-key: Unknown key name.\",null,{key:t})}}else{e=t.keyCode+(t.altKey?Rl.alt:0)+(t.ctrlKey?Rl.ctrl:0)+(t.shiftKey?Rl.shift:0)}return e}function Ll(t){if(typeof t==\"string\"){t=jl(t)}return t.map(t=>typeof t==\"string\"?Dl(t):t).reduce((t,e)=>e+t,0)}function zl(t){if(!Cl.isMac){return t}return jl(t).map(t=>Ol[t.toLowerCase()]||t).reduce((t,e)=>{if(t.slice(-1)in Nl){return t+e}else{return t+\"+\"+e}})}function Vl(){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 jl(t){return t.split(/\\s*\\+\\s*/)}class Bl extends Vc{constructor(t,e,n,i){super(t,e,n,i);this.getFillerOffset=Hl}is(t,e=null){if(!e){return t===\"uiElement\"||t===\"view:uiElement\"||t===this.name||t===\"view:\"+this.name||t===\"element\"||t===\"view:element\"||t===\"node\"||t===\"view:node\"}else{return e===this.name&&(t===\"uiElement\"||t===\"view:uiElement\"||t===\"element\"||t===\"view:element\")}}_insertChild(t,e){if(e&&(e instanceof jr||Array.from(e).length>0)){throw new rr[\"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 Fl(t){t.document.on(\"keydown\",(e,n)=>Ul(e,n,t.domConverter))}function Hl(){return null}function Ul(t,e,n){if(e.keyCode==Rl.arrowright){const t=e.domTarget.ownerDocument.defaultView.getSelection();const i=t.rangeCount==1&&t.getRangeAt(0).collapsed;if(i||e.shiftKey){const e=t.focusNode;const o=t.focusOffset;const s=n.domPositionToView(e,o);if(s===null){return}let r=false;const a=s.getLastMatchingPosition(t=>{if(t.item.is(\"uiElement\")){r=true}if(t.item.is(\"uiElement\")||t.item.is(\"attributeElement\")){return true}return false});if(r){const e=n.viewPositionToDom(a);if(i){t.collapse(e.parent,e.offset)}else{t.extend(e.parent,e.offset)}}}}}class Wl{constructor(t,e){this.document=t;this._children=[];if(e){this._insertChild(0,e)}}[Symbol.iterator](){return this._children[Symbol.iterator]()}get childCount(){return this._children.length}get isEmpty(){return this.childCount===0}get root(){return this}get parent(){return null}is(t){return t===\"documentFragment\"||t===\"view:documentFragment\"}_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 i=ql(this.document,e);for(const e of i){if(e.parent!==null){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)}}yr(Wl,dr);function ql(t,e){if(typeof e==\"string\"){return[new Br(t,e)]}if(!vr(e)){e=[e]}return Array.from(e).map(e=>{if(typeof e==\"string\"){return new Br(t,e)}if(e instanceof Fr){return new Br(t,e.data)}return e})}class $l{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 Br(this.document,t)}createAttributeElement(t,e,n={}){const i=new _l(this.document,t,e);if(n.priority){i._priority=n.priority}if(n.id){i._id=n.id}return i}createContainerElement(t,e){return new Hc(this.document,t,e)}createEditableElement(t,e){const n=new al(this.document,t,e);n._document=this.document;return n}createEmptyElement(t,e){return new yl(this.document,t,e)}createUIElement(t,e,n){const i=new Bl(this.document,t,e);if(n){i.render=n}return i}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){if(R(t)&&n===undefined){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){if(t instanceof ul){return this._breakAttributes(t)}else{return this._breakAttributesRange(t)}}breakContainer(t){const e=t.parent;if(!e.is(\"containerElement\")){throw new rr[\"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 rr[\"b\"](\"view-writer-break-root: Trying to break root element.\",this.document)}if(t.isAtStart){return ul._createBefore(e)}else if(!t.isAtEnd){const n=e._clone(false);this.insert(ul._createAfter(e),n);const i=new hl(t,ul._createAt(e,\"end\"));const o=new ul(n,0);this.move(i,o)}return ul._createAfter(e)}mergeAttributes(t){const e=t.offset;const n=t.parent;if(n.is(\"text\")){return t}if(n.is(\"attributeElement\")&&n.childCount===0){const t=n.parent;const e=n.index;n._remove();this._removeFromClonedElementsGroup(n);return this.mergeAttributes(new ul(t,e))}const i=n.getChild(e-1);const o=n.getChild(e);if(!i||!o){return t}if(i.is(\"text\")&&o.is(\"text\")){return Zl(i,o)}else if(i.is(\"attributeElement\")&&o.is(\"attributeElement\")&&i.isSimilar(o)){const t=i.childCount;i._appendChild(o.getChildren());o._remove();this._removeFromClonedElementsGroup(o);return this.mergeAttributes(new ul(i,t))}return t}mergeContainers(t){const e=t.nodeBefore;const n=t.nodeAfter;if(!e||!n||!e.is(\"containerElement\")||!n.is(\"containerElement\")){throw new rr[\"b\"](\"view-writer-merge-containers-invalid-position: \"+\"Element before and after given position cannot be merged.\",this.document)}const i=e.getChild(e.childCount-1);const o=i instanceof Br?ul._createAt(i,\"end\"):ul._createAt(e,\"end\");this.move(hl._createIn(n),ul._createAt(e,\"end\"));this.remove(hl._createOn(n));return o}insert(t,e){e=vr(e)?[...e]:[e];Xl(e,this.document);const n=Gl(t);if(!n){throw new rr[\"b\"](\"view-writer-invalid-position-container\",this.document)}const i=this._breakAttributes(t,true);const o=n._insertChild(i.offset,e);for(const t of e){this._addToClonedElementsGroup(t)}const s=i.getShiftedBy(o);const r=this.mergeAttributes(i);if(o===0){return new hl(r,r)}else{if(!r.isEqual(i)){s.offset--}const t=this.mergeAttributes(s);return new hl(r,t)}}remove(t){const e=t instanceof hl?t:hl._createOn(t);nd(e,this.document);if(e.isCollapsed){return new Wl(this.document)}const{start:n,end:i}=this._breakAttributesRange(e,true);const o=n.parent;const s=i.offset-n.offset;const r=o._removeChildren(n.offset,s);for(const t of r){this._removeFromClonedElementsGroup(t)}const a=this.mergeAttributes(n);e.start=a;e.end=a.clone();return new Wl(this.document,r)}clear(t,e){nd(t,this.document);const n=t.getWalker({direction:\"backward\",ignoreElementEnd:true});for(const i of n){const n=i.item;let o;if(n.is(\"element\")&&e.isSimilar(n)){o=hl._createOn(n)}else if(!i.nextPosition.isAfter(t.start)&&n.is(\"textProxy\")){const t=n.getAncestors().find(t=>t.is(\"element\")&&e.isSimilar(t));if(t){o=hl._createIn(t)}}if(o){if(o.end.isAfter(t.end)){o.end=t.end}if(o.start.isBefore(t.start)){o.start=t.start}this.remove(o)}}}move(t,e){let n;if(e.isAfter(t.end)){e=this._breakAttributes(e,true);const i=e.parent;const o=i.childCount;t=this._breakAttributesRange(t,true);n=this.remove(t);e.offset+=i.childCount-o}else{n=this.remove(t)}return this.insert(e,n)}wrap(t,e){if(!(e instanceof _l)){throw new rr[\"b\"](\"view-writer-wrap-invalid-attribute\",this.document)}nd(t,this.document);if(!t.isCollapsed){return this._wrapRange(t,e)}else{let n=t.start;if(n.parent.is(\"element\")&&!Yl(n.parent)){n=n.getLastMatchingPosition(t=>t.item.is(\"uiElement\"))}n=this._wrapPosition(n,e);const i=this.document.selection;if(i.isCollapsed&&i.getFirstPosition().isEqual(t.start)){this.setSelection(n)}return new hl(n)}}unwrap(t,e){if(!(e instanceof _l)){throw new rr[\"b\"](\"view-writer-unwrap-invalid-attribute\",this.document)}nd(t,this.document);if(t.isCollapsed){return t}const{start:n,end:i}=this._breakAttributesRange(t,true);const o=n.parent;const s=this._unwrapChildren(o,n.offset,i.offset,e);const r=this.mergeAttributes(s.start);if(!r.isEqual(s.start)){s.end.offset--}const a=this.mergeAttributes(s.end);return new hl(r,a)}rename(t,e){const n=new Hc(this.document,t,e.getAttributes());this.insert(ul._createAfter(e),n);this.move(hl._createIn(e),ul._createAt(n,0));this.remove(hl._createOn(e));return n}clearClonedElementsGroup(t){this._cloneGroups.delete(t)}createPositionAt(t,e){return ul._createAt(t,e)}createPositionAfter(t){return ul._createAfter(t)}createPositionBefore(t){return ul._createBefore(t)}createRange(t,e){return new hl(t,e)}createRangeOn(t){return hl._createOn(t)}createRangeIn(t){return hl._createIn(t)}createSelection(t,e,n){return new gl(t,e,n)}_wrapChildren(t,e,n,i){let o=e;const s=[];while(o<n){const e=t.getChild(o);const n=e.is(\"text\");const r=e.is(\"attributeElement\");const a=e.is(\"emptyElement\");const c=e.is(\"uiElement\");if(r&&this._wrapAttributeElement(i,e)){s.push(new ul(t,o))}else if(n||a||c||r&&Ql(i,e)){const n=i._clone();e._remove();n._appendChild(e);t._insertChild(o,n);this._addToClonedElementsGroup(n);s.push(new ul(t,o))}else if(r){this._wrapChildren(e,0,e.childCount,i)}o++}let r=0;for(const t of s){t.offset-=r;if(t.offset==e){continue}const i=this.mergeAttributes(t);if(!i.isEqual(t)){r++;n--}}return hl._createFromParentsAndOffsets(t,e,t,n)}_unwrapChildren(t,e,n,i){let o=e;const s=[];while(o<n){const e=t.getChild(o);if(!e.is(\"attributeElement\")){o++;continue}if(e.isSimilar(i)){const i=e.getChildren();const r=e.childCount;e._remove();t._insertChild(o,i);this._removeFromClonedElementsGroup(e);s.push(new ul(t,o),new ul(t,o+r));o+=r;n+=r-1;continue}if(this._unwrapAttributeElement(i,e)){s.push(new ul(t,o),new ul(t,o+1));o++;continue}this._unwrapChildren(e,0,e.childCount,i);o++}let r=0;for(const t of s){t.offset-=r;if(t.offset==e||t.offset==n){continue}const i=this.mergeAttributes(t);if(!i.isEqual(t)){r++;n--}}return hl._createFromParentsAndOffsets(t,e,t,n)}_wrapRange(t,e){const{start:n,end:i}=this._breakAttributesRange(t,true);const o=n.parent;const s=this._wrapChildren(o,n.offset,i.offset,e);const r=this.mergeAttributes(s.start);if(!r.isEqual(s.start)){s.end.offset--}const a=this.mergeAttributes(s.end);return new hl(r,a)}_wrapPosition(t,e){if(e.isSimilar(t.parent)){return Kl(t.clone())}if(t.parent.is(\"text\")){t=Jl(t)}const n=this.createAttributeElement();n._priority=Number.POSITIVE_INFINITY;n.isSimilar=()=>false;t.parent._insertChild(t.offset,n);const i=new hl(t,t.getShiftedBy(1));this.wrap(i,e);const o=new ul(n.parent,n.index);n._remove();const s=o.nodeBefore;const r=o.nodeAfter;if(s instanceof Br&&r instanceof Br){return Zl(s,r)}return Kl(o)}_wrapAttributeElement(t,e){if(!id(t,e)){return false}if(t.name!==e.name||t.priority!==e.priority){return false}for(const n of t.getAttributeKeys()){if(n===\"class\"||n===\"style\"){continue}if(e.hasAttribute(n)&&e.getAttribute(n)!==t.getAttribute(n)){return false}}for(const n of t.getStyleNames()){if(e.hasStyle(n)&&e.getStyle(n)!==t.getStyle(n)){return false}}for(const n of t.getAttributeKeys()){if(n===\"class\"||n===\"style\"){continue}if(!e.hasAttribute(n)){this.setAttribute(n,t.getAttribute(n),e)}}for(const n of t.getStyleNames()){if(!e.hasStyle(n)){this.setStyle(n,t.getStyle(n),e)}}for(const n of t.getClassNames()){if(!e.hasClass(n)){this.addClass(n,e)}}return true}_unwrapAttributeElement(t,e){if(!id(t,e)){return false}if(t.name!==e.name||t.priority!==e.priority){return false}for(const n of t.getAttributeKeys()){if(n===\"class\"||n===\"style\"){continue}if(!e.hasAttribute(n)||e.getAttribute(n)!==t.getAttribute(n)){return false}}if(!e.hasClass(...t.getClassNames())){return false}for(const n of t.getStyleNames()){if(!e.hasStyle(n)||e.getStyle(n)!==t.getStyle(n)){return false}}for(const 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ul(i.parent,i.index+1);return this._breakAttributes(t,e)}else{if(n===0){const t=new ul(i.parent,i.index);return this._breakAttributes(t,e)}else{const t=i.index+1;const o=i._clone();i.parent._insertChild(t,o);this._addToClonedElementsGroup(o);const s=i.childCount-n;const r=i._removeChildren(n,s);o._appendChild(r);const a=new ul(i.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);if(!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);if(!n){return}n.delete(t)}}function Yl(t){return Array.from(t.getChildren()).some(t=>!t.is(\"uiElement\"))}function Gl(t){let e=t.parent;while(!ed(e)){if(!e){return undefined}e=e.parent}return e}function Ql(t,e){if(t.priority<e.priority){return true}else if(t.priority>e.priority){return false}return t.getIdentity()<e.getIdentity()}function Kl(t){const e=t.nodeBefore;if(e&&e.is(\"text\")){return new ul(e,e.data.length)}const n=t.nodeAfter;if(n&&n.is(\"text\")){return new ul(n,0)}return t}function Jl(t){if(t.offset==t.parent.data.length){return new ul(t.parent.parent,t.parent.index+1)}if(t.offset===0){return new ul(t.parent.parent,t.parent.index)}const e=t.parent.data.slice(t.offset);t.parent._data=t.parent.data.slice(0,t.offset);t.parent.parent._insertChild(t.parent.index+1,new Br(t.root.document,e));return new ul(t.parent.parent,t.parent.index+1)}function Zl(t,e){const n=t.data.length;t._data+=e.data;e._remove();return new ul(t,n)}function Xl(t,e){for(const n of t){if(!td.some(t=>n instanceof t)){throw new rr[\"b\"](\"view-writer-insert-invalid-node\",e)}if(!n.is(\"text\")){Xl(n.getChildren(),e)}}}const td=[Br,_l,Hc,yl,Bl];function ed(t){return t&&(t.is(\"containerElement\")||t.is(\"documentFragment\"))}function nd(t,e){const n=Gl(t.start);const i=Gl(t.end);if(!n||!i||n!==i){throw new rr[\"b\"](\"view-writer-invalid-range-container\",e)}}function id(t,e){return t.id===null&&e.id===null}function od(t){return Object.prototype.toString.call(t)==\"[object Text]\"}const sd=t=>t.createTextNode(\" \");const rd=t=>{const e=t.createElement(\"br\");e.dataset.ckeFiller=true;return e};const ad=7;const cd=(()=>{let t=\"\";for(let e=0;e<ad;e++){t+=\"​\"}return t})();function ld(t){return od(t)&&t.data.substr(0,ad)===cd}function dd(t){return t.data.length==ad&&ld(t)}function ud(t){if(ld(t)){return t.data.slice(ad)}else{return t.data}}function hd(t){t.document.on(\"keydown\",fd)}function fd(t,e){if(e.keyCode==Rl.arrowleft){const t=e.domTarget.ownerDocument.defaultView.getSelection();if(t.rangeCount==1&&t.getRangeAt(0).collapsed){const e=t.getRangeAt(0).startContainer;const n=t.getRangeAt(0).startOffset;if(ld(e)&&n<=ad){t.collapse(e,0)}}}}function md(t,e,n,i=false){n=n||function(t,e){return t===e};if(!Array.isArray(t)){t=Array.prototype.slice.call(t)}if(!Array.isArray(e)){e=Array.prototype.slice.call(e)}const o=gd(t,e,n);return i?_d(o,e.length):wd(e,o)}function gd(t,e,n){const i=pd(t,e,n);if(i===-1){return{firstIndex:-1,lastIndexOld:-1,lastIndexNew:-1}}const o=bd(t,i);const s=bd(e,i);const r=pd(o,s,n);const a=t.length-r;const c=e.length-r;return{firstIndex:i,lastIndexOld:a,lastIndexNew:c}}function pd(t,e,n){for(let i=0;i<Math.max(t.length,e.length);i++){if(t[i]===undefined||e[i]===undefined||!n(t[i],e[i])){return i}}return-1}function bd(t,e){return t.slice(e).reverse()}function wd(t,e){const n=[];const{firstIndex:i,lastIndexOld:o,lastIndexNew:s}=e;if(s-i>0){n.push({index:i,type:\"insert\",values:t.slice(i,s)})}if(o-i>0){n.push({index:i+(s-i),type:\"delete\",howMany:o-i})}return n}function _d(t,e){const{firstIndex:n,lastIndexOld:i,lastIndexNew:o}=t;if(n===-1){return Array(e).fill(\"equal\")}let s=[];if(n>0){s=s.concat(Array(n).fill(\"equal\"))}if(o-n>0){s=s.concat(Array(o-n).fill(\"insert\"))}if(i-n>0){s=s.concat(Array(i-n).fill(\"delete\"))}if(o<e){s=s.concat(Array(e-o).fill(\"equal\"))}return s}function kd(t,e,n){n=n||function(t,e){return t===e};const i=t.length;const o=e.length;if(i>200||o>200||i+o>300){return kd.fastDiff(t,e,n,true)}let s,r;if(o<i){const n=t;t=e;e=n;s=\"delete\";r=\"insert\"}else{s=\"insert\";r=\"delete\"}const a=t.length;const c=e.length;const l=c-a;const d={};const u={};function h(i){const o=(u[i-1]!==undefined?u[i-1]:-1)+1;const l=u[i+1]!==undefined?u[i+1]:-1;const h=o>l?-1:1;if(d[i+h]){d[i]=d[i+h].slice(0)}if(!d[i]){d[i]=[]}d[i].push(o>l?s:r);let f=Math.max(o,l);let m=f-i;while(m<a&&f<c&&n(t[m],e[f])){m++;f++;d[i].push(\"equal\")}return f}let f=0;let m;do{for(m=-f;m<l;m++){u[m]=h(m)}for(m=l+f;m>l;m--){u[m]=h(m)}u[l]=h(l);f++}while(u[l]!==c);return d[l].slice(1)}kd.fastDiff=md;function vd(t,e,n){t.insertBefore(n,t.childNodes[e]||null)}function yd(t){const e=t.parentNode;if(e){e.removeChild(t)}}function xd(t){if(t){if(t.defaultView){return t instanceof t.defaultView.Document}else if(t.ownerDocument&&t.ownerDocument.defaultView){return t instanceof t.ownerDocument.defaultView.Node}}return false}class Ad{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=false;this._inlineFiller=null;this._fakeSelectionContainer=null}markToSync(t,e){if(t===\"text\"){if(this.domConverter.mapViewToDom(e.parent)){this.markedTexts.add(e)}}else{if(!this.domConverter.mapViewToDom(e)){return}if(t===\"attributes\"){this.markedAttributes.add(e)}else if(t===\"children\"){this.markedChildren.add(e)}else{throw new rr[\"b\"](\"view-renderer-unknown-type: Unknown type passed to Renderer.markToSync.\",this)}}}render(){let t;for(const t of this.markedChildren){this._updateChildrenMappings(t)}if(this._inlineFiller&&!this._isSelectionInInlineFiller()){this._removeInlineFiller()}if(this._inlineFiller){t=this._getInlineFillerPosition()}else if(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){if(!this.markedChildren.has(e.parent)&&this.domConverter.mapViewToDom(e.parent)){this._updateText(e,{inlineFillerPosition:t})}}if(t){const e=this.domConverter.viewPositionToDom(t);const n=e.parent.ownerDocument;if(!ld(e.parent)){this._inlineFiller=Cd(n,e.parent,e.offset)}else{this._inlineFiller=e.parent}}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;const i=Array.from(this.domConverter.viewChildrenToDom(t,e.ownerDocument,{withChildren:false}));const o=this._diffNodeLists(n,i);const s=this._findReplaceActions(o,n,i);if(s.indexOf(\"replace\")!==-1){const e={equal:0,insert:0,delete:0};for(const o of s){if(o===\"replace\"){const o=e.equal+e.insert;const s=e.equal+e.delete;const r=t.getChild(o);if(r&&!r.is(\"uiElement\")){this._updateElementMappings(r,n[s])}yd(i[o]);e.equal++}else{e[o]++}}}}_updateElementMappings(t,e){this.domConverter.unbindDomElement(e);this.domConverter.bindElements(e,t);this.markedChildren.add(t);this.markedAttributes.add(t)}_getInlineFillerPosition(){const t=this.selection.getFirstPosition();if(t.parent.is(\"text\")){return ul._createBefore(this.selection.getFirstPosition().parent)}else{return t}}_isSelectionInInlineFiller(){if(this.selection.rangeCount!=1||!this.selection.isCollapsed){return false}const t=this.selection.getFirstPosition();const e=this.domConverter.viewPositionToDom(t);if(e&&od(e.parent)&&ld(e.parent)){return true}return false}_removeInlineFiller(){const t=this._inlineFiller;if(!ld(t)){throw new rr[\"b\"](\"view-renderer-filler-was-lost: The inline filler node was lost.\",this)}if(dd(t)){t.parentNode.removeChild(t)}else{t.data=t.data.substr(ad)}this._inlineFiller=null}_needsInlineFillerAtSelection(){if(this.selection.rangeCount!=1||!this.selection.isCollapsed){return false}const t=this.selection.getFirstPosition();const e=t.parent;const n=t.offset;if(!this.domConverter.mapViewToDom(e.root)){return false}if(!e.is(\"element\")){return false}if(!Td(e)){return false}if(n===e.getFillerOffset()){return false}const i=t.nodeBefore;const o=t.nodeAfter;if(i instanceof Br||o instanceof Br){return false}return true}_updateText(t,e){const n=this.domConverter.findCorrespondingDomText(t);const i=this.domConverter.viewToDom(t,n.ownerDocument);const o=n.data;let s=i.data;const r=e.inlineFillerPosition;if(r&&r.parent==t.parent&&r.offset==t.index){s=cd+s}if(o!=s){const t=md(o,s);for(const e of t){if(e.type===\"insert\"){n.insertData(e.index,e.values.join(\"\"))}else{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);const i=t.getAttributeKeys();for(const n of i){e.setAttribute(n,t.getAttribute(n))}for(const i of n){if(!t.hasAttribute(i)){e.removeAttribute(i)}}}_updateChildren(t,e){const n=this.domConverter.mapViewToDom(t);if(!n){return}const i=e.inlineFillerPosition;const o=this.domConverter.mapViewToDom(t).childNodes;const s=Array.from(this.domConverter.viewChildrenToDom(t,n.ownerDocument,{bind:true,inlineFillerPosition:i}));if(i&&i.parent===t){Cd(n.ownerDocument,s,i.offset)}const r=this._diffNodeLists(o,s);let a=0;const c=new Set;for(const t of r){if(t===\"delete\"){c.add(o[a]);yd(o[a])}else if(t===\"equal\"){a++}}a=0;for(const t of r){if(t===\"insert\"){vd(n,a,s[a]);a++}else if(t===\"equal\"){this._markDescendantTextToSync(this.domConverter.domToView(s[a]));a++}}for(const t of c){if(!t.parentNode){this.domConverter.unbindDomElement(t)}}}_diffNodeLists(t,e){t=Md(t,this._fakeSelectionContainer);return kd(t,e,Sd.bind(null,this.domConverter))}_findReplaceActions(t,e,n){if(t.indexOf(\"insert\")===-1||t.indexOf(\"delete\")===-1){return t}let i=[];let o=[];let s=[];const r={equal:0,insert:0,delete:0};for(const a of t){if(a===\"insert\"){s.push(n[r.equal+r.insert])}else if(a===\"delete\"){o.push(e[r.equal+r.delete])}else{i=i.concat(kd(o,s,Pd).map(t=>t===\"equal\"?\"replace\":t));i.push(\"equal\");o=[];s=[]}r[a]++}return i.concat(kd(o,s,Pd).map(t=>t===\"equal\"?\"replace\":t))}_markDescendantTextToSync(t){if(!t){return}if(t.is(\"text\")){this.markedTexts.add(t)}else if(t.is(\"element\")){for(const e of t.getChildren()){this._markDescendantTextToSync(e)}}}_updateSelection(){if(this.selection.rangeCount===0){this._removeDomSelection();this._removeFakeSelection();return}const t=this.domConverter.mapViewToDom(this.selection.editableElement);if(!this.isFocused||!t){return}if(this.selection.isFake){this._updateFakeSelection(t)}else{this._removeFakeSelection();this._updateDomSelection(t)}}_updateFakeSelection(t){const e=t.ownerDocument;if(!this._fakeSelectionContainer){this._fakeSelectionContainer=Id(e)}const n=this._fakeSelectionContainer;this.domConverter.bindFakeSelection(n,this.selection);if(!this._fakeSelectionNeedsUpdate(t)){return}if(!n.parentElement||n.parentElement!=t){t.appendChild(n)}n.textContent=this.selection.fakeSelectionLabel||\" \";const i=e.getSelection();const o=e.createRange();i.removeAllRanges();o.selectNodeContents(n);i.addRange(o)}_updateDomSelection(t){const e=t.ownerDocument.defaultView.getSelection();if(!this._domSelectionNeedsUpdate(e)){return}const n=this.domConverter.viewPositionToDom(this.selection.anchor);const i=this.domConverter.viewPositionToDom(this.selection.focus);t.focus();e.collapse(n.parent,n.offset);e.extend(i.parent,i.offset);if(Cl.isGecko){Ed(i,e)}}_domSelectionNeedsUpdate(t){if(!this.domConverter.isDomSelectionCorrect(t)){return true}const e=t&&this.domConverter.domSelectionToView(t);if(e&&this.selection.isEqual(e)){return false}if(!this.selection.isCollapsed&&this.selection.isSimilar(e)){return false}return true}_fakeSelectionNeedsUpdate(t){const e=this._fakeSelectionContainer;const n=t.ownerDocument.getSelection();if(!e||e.parentElement!==t){return true}if(n.anchorNode!==e&&!e.contains(n.anchorNode)){return true}return e.textContent!==this.selection.fakeSelectionLabel}_removeDomSelection(){for(const t of this.domDocuments){const e=t.getSelection();if(e.rangeCount){const e=t.activeElement;const n=this.domConverter.mapDomToView(e);if(e&&n){t.getSelection().removeAllRanges()}}}}_removeFakeSelection(){const 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zd{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=this.blockFillerMode==\"br\"?rd:sd;this._domToViewMapping=new WeakMap;this._viewToDomMapping=new WeakMap;this._fakeSelectionMapping=new WeakMap}bindFakeSelection(t,e){this._fakeSelectionMapping.set(t,new gl(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 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)}else{if(this.mapViewToDom(t)){return this.mapViewToDom(t)}let i;if(t.is(\"documentFragment\")){i=e.createDocumentFragment();if(n.bind){this.bindDocumentFragments(i,t)}}else if(t.is(\"uiElement\")){i=t.render(e);if(n.bind){this.bindElements(i,t)}return i}else{if(t.hasAttribute(\"xmlns\")){i=e.createElementNS(t.getAttribute(\"xmlns\"),t.name)}else{i=e.createElement(t.name)}if(n.bind){this.bindElements(i,t)}for(const e of t.getAttributeKeys()){i.setAttribute(e,t.getAttribute(e))}}if(n.withChildren||n.withChildren===undefined){for(const o of this.viewChildrenToDom(t,e,n)){i.appendChild(o)}}return i}}*viewChildrenToDom(t,e,n={}){const i=t.getFillerOffset&&t.getFillerOffset();let o=0;for(const s of t.getChildren()){if(i===o){yield this._blockFiller(e)}yield this.viewToDom(s,e,n);o++}if(i===o){yield this._blockFiller(e)}}viewRangeToDom(t){const e=this.viewPositionToDom(t.start);const n=this.viewPositionToDom(t.end);const i=document.createRange();i.setStart(e.parent,e.offset);i.setEnd(n.parent,n.offset);return i}viewPositionToDom(t){const e=t.parent;if(e.is(\"text\")){const n=this.findCorrespondingDomText(e);if(!n){return null}let i=t.offset;if(ld(n)){i+=ad}return{parent:n,offset:i}}else{let n,i,o;if(t.offset===0){n=this.mapViewToDom(e);if(!n){return null}o=n.childNodes[0]}else{const e=t.nodeBefore;i=e.is(\"text\")?this.findCorrespondingDomText(e):this.mapViewToDom(t.nodeBefore);if(!i){return null}n=i.parentNode;o=i.nextSibling}if(od(o)&&ld(o)){return{parent:o,offset:ad}}const s=i?Od(i)+1:0;return{parent:n,offset:s}}}domToView(t,e={}){if(this.isBlockFiller(t,this.blockFillerMode)){return null}const n=this.getParentUIElement(t,this._domToViewMapping);if(n){return n}if(od(t)){if(dd(t)){return null}else{const e=this._processDataFromDomText(t);return e===\"\"?null:new Br(this.document,e)}}else if(this.isComment(t)){return null}else{if(this.mapDomToView(t)){return this.mapDomToView(t)}let 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n=t.previousSibling;if(n){if(!this.isElement(n)){return null}const t=this.mapDomToView(n);if(t){const e=t.nextSibling;if(e instanceof Br){return t.nextSibling}else{return null}}}else{const e=this.mapDomToView(t.parentNode);if(e){const t=e.getChild(0);if(t instanceof Br){return t}else{return null}}}return null}mapViewToDom(t){return this._viewToDomMapping.get(t)}findCorrespondingDomText(t){const e=t.previousSibling;if(e&&this.mapViewToDom(e)){return this.mapViewToDom(e).nextSibling}if(!e&&t.parent&&this.mapViewToDom(t.parent)){return this.mapViewToDom(t.parent).childNodes[0]}return null}focus(t){const e=this.mapViewToDom(t);if(e&&e.ownerDocument.activeElement!==e){const{scrollX:t,scrollY:n}=Nd.window;const i=[];jd(e,t=>{const{scrollLeft:e,scrollTop:n}=t;i.push([e,n])});e.focus();jd(e,t=>{const[e,n]=i.shift();t.scrollLeft=e;t.scrollTop=n});Nd.window.scrollTo(t,n)}}isElement(t){return t&&t.nodeType==Node.ELEMENT_NODE}isDocumentFragment(t){return 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i=n?n(t,e):undefined;return i===undefined?Wu(t,e,undefined,n):!!i}var $u=qu;class Yu extends Yd{constructor(t){super(t);this._config={childList:true,characterData:true,characterDataOldValue:true,subtree:true};this.domConverter=t.domConverter;this.renderer=t._renderer;this._domElements=[];this._mutationObserver=new window.MutationObserver(this._onMutations.bind(this))}flush(){this._onMutations(this._mutationObserver.takeRecords())}observe(t){this._domElements.push(t);if(this.isEnabled){this._mutationObserver.observe(t,this._config)}}enable(){super.enable();for(const t of this._domElements){this._mutationObserver.observe(t,this._config)}}disable(){super.disable();this._mutationObserver.disconnect()}destroy(){super.destroy();this._mutationObserver.disconnect()}_onMutations(t){if(t.length===0){return}const e=this.domConverter;const n=new Map;const i=new Set;for(const n of t){if(n.type===\"childList\"){const t=e.mapDomToView(n.target);if(t&&t.is(\"uiElement\")){continue}if(t&&!this._isBogusBrMutation(n)){i.add(t)}}}for(const o of t){const t=e.mapDomToView(o.target);if(t&&t.is(\"uiElement\")){continue}if(o.type===\"characterData\"){const t=e.findCorrespondingViewText(o.target);if(t&&!i.has(t.parent)){n.set(t,{type:\"text\",oldText:t.data,newText:ud(o.target),node:t})}else if(!t&&ld(o.target)){i.add(e.mapDomToView(o.target.parentNode))}}}const o=[];for(const t of n.values()){this.renderer.markToSync(\"text\",t.node);o.push(t)}for(const t of i){const n=e.mapViewToDom(t);const i=Array.from(t.getChildren());const s=Array.from(e.domChildrenToView(n,{withChildren:false}));if(!$u(i,s,a)){this.renderer.markToSync(\"children\",t);o.push({type:\"children\",oldChildren:i,newChildren:s,node:t})}}const s=t[0].target.ownerDocument.getSelection();let r=null;if(s&&s.anchorNode){const t=e.domPositionToView(s.anchorNode,s.anchorOffset);const n=e.domPositionToView(s.focusNode,s.focusOffset);if(t&&n){r=new gl(t);r.setFocus(n)}}if(o.length){this.document.fire(\"mutations\",o,r);this.view.forceRender()}function a(t,e){if(Array.isArray(t)){return}if(t===e){return true}else if(t.is(\"text\")&&e.is(\"text\")){return t.data===e.data}return false}}_isBogusBrMutation(t){let e=null;if(t.nextSibling===null&&t.removedNodes.length===0&&t.addedNodes.length==1){e=this.domConverter.domToView(t.addedNodes[0],{withChildren:false})}return e&&e.is(\"element\",\"br\")}}class Gu{constructor(t,e,n){this.view=t;this.document=t.document;this.domEvent=e;this.domTarget=e.target;qc(this,n)}get target(){return this.view.domConverter.mapDomToView(this.domTarget)}preventDefault(){this.domEvent.preventDefault()}stopPropagation(){this.domEvent.stopPropagation()}}class Qu extends Yd{constructor(t){super(t);this.useCapture=false}observe(t){const e=typeof this.domEventType==\"string\"?[this.domEventType]:this.domEventType;e.forEach(e=>{this.listenTo(t,e,(t,e)=>{if(this.isEnabled){this.onDomEvent(e)}},{useCapture:this.useCapture})})}fire(t,e,n){if(this.isEnabled){this.document.fire(t,new Gu(this.view,e,n))}}}class Ku extends Qu{constructor(t){super(t);this.domEventType=[\"keydown\",\"keyup\"]}onDomEvent(t){this.fire(t.type,t,{keyCode:t.keyCode,altKey:t.altKey,ctrlKey:t.ctrlKey||t.metaKey,shiftKey:t.shiftKey,get keystroke(){return Dl(this)}})}}var Ju=function(){return i[\"a\"].Date.now()};var Zu=Ju;var Xu=0/0;var th=/^\\s+|\\s+$/g;var eh=/^[-+]0x[0-9a-f]+$/i;var nh=/^0b[01]+$/i;var ih=/^0o[0-7]+$/i;var oh=parseInt;function sh(t){if(typeof t==\"number\"){return t}if(Zr(t)){return Xu}if(ct(t)){var e=typeof t.valueOf==\"function\"?t.valueOf():t;t=ct(e)?e+\"\":e}if(typeof t!=\"string\"){return t===0?t:+t}t=t.replace(th,\"\");var n=nh.test(t);return n||ih.test(t)?oh(t.slice(2),n?2:8):eh.test(t)?Xu:+t}var rh=sh;var ah=\"Expected a function\";var ch=Math.max,lh=Math.min;function dh(t,e,n){var i,o,s,r,a,c,l=0,d=false,u=false,h=true;if(typeof t!=\"function\"){throw new TypeError(ah)}e=rh(e)||0;if(ct(n)){d=!!n.leading;u=\"maxWait\"in n;s=u?ch(rh(n.maxWait)||0,e):s;h=\"trailing\"in n?!!n.trailing:h}function f(e){var n=i,s=o;i=o=undefined;l=e;r=t.apply(s,n);return r}function m(t){l=t;a=setTimeout(b,e);return d?f(t):r}function g(t){var n=t-c,i=t-l,o=e-n;return u?lh(o,s-i):o}function p(t){var n=t-c,i=t-l;return c===undefined||n>=e||n<0||u&&i>=s}function b(){var t=Zu();if(p(t)){return w(t)}a=setTimeout(b,g(t))}function w(t){a=undefined;if(h&&i){return f(t)}i=o=undefined;return r}function _(){if(a!==undefined){clearTimeout(a)}l=0;i=c=o=a=undefined}function k(){return a===undefined?r:w(Zu())}function v(){var t=Zu(),n=p(t);i=arguments;o=this;c=t;if(n){if(a===undefined){return m(c)}if(u){clearTimeout(a);a=setTimeout(b,e);return f(c)}}if(a===undefined){a=setTimeout(b,e)}return r}v.cancel=_;v.flush=k;return v}var uh=dh;class hh extends Yd{constructor(t){super(t);this._fireSelectionChangeDoneDebounced=uh(t=>this.document.fire(\"selectionChangeDone\",t),200)}observe(){const t=this.document;t.on(\"keydown\",(e,n)=>{const i=t.selection;if(i.isFake&&fh(n.keyCode)&&this.isEnabled){n.preventDefault();this._handleSelectionMove(n.keyCode)}},{priority:\"lowest\"})}destroy(){super.destroy();this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionMove(t){const e=this.document.selection;const n=new gl(e.getRanges(),{backward:e.isBackward,fake:false});if(t==Rl.arrowleft||t==Rl.arrowup){n.setTo(n.getFirstPosition())}if(t==Rl.arrowright||t==Rl.arrowdown){n.setTo(n.getLastPosition())}const i={oldSelection:e,newSelection:n,domSelection:null};this.document.fire(\"selectionChange\",i);this._fireSelectionChangeDoneDebounced(i)}}function fh(t){return t==Rl.arrowright||t==Rl.arrowleft||t==Rl.arrowup||t==Rl.arrowdown}class mh extends Yd{constructor(t){super(t);this.mutationObserver=t.getObserver(Yu);this.selection=this.document.selection;this.domConverter=t.domConverter;this._documents=new WeakSet;this._fireSelectionChangeDoneDebounced=uh(t=>this.document.fire(\"selectionChangeDone\",t),200);this._clearInfiniteLoopInterval=setInterval(()=>this._clearInfiniteLoop(),1e3);this._loopbackCounter=0}observe(t){const e=t.ownerDocument;if(this._documents.has(e)){return}this.listenTo(e,\"selectionchange\",()=>{this._handleSelectionChange(e)});this._documents.add(e)}destroy(){super.destroy();clearInterval(this._clearInfiniteLoopInterval);this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionChange(t){if(!this.isEnabled){return}this.mutationObserver.flush();const e=t.defaultView.getSelection();const n=this.domConverter.domSelectionToView(e);if(n.rangeCount==0){this.view.hasDomSelection=false;return}this.view.hasDomSelection=true;if(this.selection.isEqual(n)&&this.domConverter.isDomSelectionCorrect(e)){return}if(++this._loopbackCounter>60){return}if(this.selection.isSimilar(n)){this.view.forceRender()}else{const t={oldSelection:this.selection,newSelection:n,domSelection:e};this.document.fire(\"selectionChange\",t);this._fireSelectionChangeDoneDebounced(t)}}_clearInfiniteLoop(){this._loopbackCounter=0}}class gh extends Qu{constructor(t){super(t);this.domEventType=[\"focus\",\"blur\"];this.useCapture=true;const e=this.document;e.on(\"focus\",()=>{e.isFocused=true;this._renderTimeoutId=setTimeout(()=>t.forceRender(),50)});e.on(\"blur\",(n,i)=>{const o=e.selection.editableElement;if(o===null||o===i.target){e.isFocused=false;t.forceRender()}})}onDomEvent(t){this.fire(t.type,t)}destroy(){if(this._renderTimeoutId){clearTimeout(this._renderTimeoutId)}super.destroy()}}class ph extends Qu{constructor(t){super(t);this.domEventType=[\"compositionstart\",\"compositionupdate\",\"compositionend\"];const e=this.document;e.on(\"compositionstart\",()=>{e.isComposing=true});e.on(\"compositionend\",()=>{e.isComposing=false})}onDomEvent(t){this.fire(t.type,t)}}class bh extends Qu{constructor(t){super(t);this.domEventType=[\"beforeinput\"]}onDomEvent(t){this.fire(t.type,t)}}function wh(t){return Object.prototype.toString.apply(t)==\"[object Range]\"}function _h(t){const e=t.ownerDocument.defaultView.getComputedStyle(t);return{top:parseInt(e.borderTopWidth,10),right:parseInt(e.borderRightWidth,10),bottom:parseInt(e.borderBottomWidth,10),left:parseInt(e.borderLeftWidth,10)}}const kh=[\"top\",\"right\",\"bottom\",\"left\",\"width\",\"height\"];class vh{constructor(t){const e=wh(t);Object.defineProperty(this,\"_source\",{value:t._source||t,writable:true,enumerable:false});if(Gs(t)||e){if(e){yh(this,vh.getDomRangeRects(t)[0])}else{yh(this,t.getBoundingClientRect())}}else if(Hd(t)){const{innerWidth:e,innerHeight:n}=t;yh(this,{top:0,right:e,bottom:n,left:0,width:e,height:n})}else{yh(this,t)}}clone(){return new vh(this)}moveTo(t,e){this.top=e;this.right=t+this.width;this.bottom=e+this.height;this.left=t;return this}moveBy(t,e){this.top+=e;this.right+=t;this.left+=t;this.bottom+=e;return this}getIntersection(t){const e={top:Math.max(this.top,t.top),right:Math.min(this.right,t.right),bottom:Math.min(this.bottom,t.bottom),left:Math.max(this.left,t.left)};e.width=e.right-e.left;e.height=e.bottom-e.top;if(e.width<0||e.height<0){return null}else{return new vh(e)}}getIntersectionArea(t){const e=this.getIntersection(t);if(e){return e.getArea()}else{return 0}}getArea(){return this.width*this.height}getVisible(){const t=this._source;let e=this.clone();if(!xh(t)){let n=t.parentNode||t.commonAncestorContainer;while(n&&!xh(n)){const t=new vh(n);const i=e.getIntersection(t);if(i){if(i.getArea()<e.getArea()){e=i}}else{return null}n=n.parentNode}}return e}isEqual(t){for(const e of kh){if(this[e]!==t[e]){return false}}return true}contains(t){const e=this.getIntersection(t);return!!(e&&e.isEqual(t))}excludeScrollbarsAndBorders(){const t=this._source;let e,n,i;if(Hd(t)){e=t.innerWidth-t.document.documentElement.clientWidth;n=t.innerHeight-t.document.documentElement.clientHeight;i=t.getComputedStyle(t.document.documentElement).direction}else{const o=_h(this._source);e=t.offsetWidth-t.clientWidth-o.left-o.right;n=t.offsetHeight-t.clientHeight-o.top-o.bottom;i=t.ownerDocument.defaultView.getComputedStyle(t).direction;this.left+=o.left;this.top+=o.top;this.right-=o.right;this.bottom-=o.bottom;this.width=this.right-this.left;this.height=this.bottom-this.top}this.width-=e;if(i===\"ltr\"){this.right-=e}else{this.left+=e}this.height-=n;this.bottom-=n;return this}static getDomRangeRects(t){const e=[];const n=Array.from(t.getClientRects());if(n.length){for(const t of n){e.push(new vh(t))}}else{let n=t.startContainer;if(od(n)){n=n.parentNode}const i=new vh(n.getBoundingClientRect());i.right=i.left;i.width=0;e.push(i)}return e}}function yh(t,e){for(const n of kh){t[n]=e[n]}}function xh(t){if(!Gs(t)){return false}return t===t.ownerDocument.body}const Ah={};function Th({target:t,viewportOffset:e=0}){const n=Oh(t);let i=n;let o=null;while(i){let s;if(i==n){s=Rh(t)}else{s=Rh(o)}Sh(s,()=>Dh(t,i));const r=Dh(t,i);Ph(i,r,e);if(i.parent!=i){o=i.frameElement;i=i.parent;if(!o){return}}else{i=null}}}function Ch(t){const e=Rh(t);Sh(e,()=>new vh(t))}Object.assign(Ah,{scrollViewportToShowTarget:Th,scrollAncestorsToShowTarget:Ch});function Ph(t,e,n){const i=e.clone().moveBy(0,n);const o=e.clone().moveBy(0,-n);const s=new vh(t).excludeScrollbarsAndBorders();const r=[o,i];if(!r.every(t=>s.contains(t))){let{scrollX:r,scrollY:a}=t;if(Mh(o,s)){a-=s.top-e.top+n}else if(Eh(i,s)){a+=e.bottom-s.bottom+n}if(Ih(e,s)){r-=s.left-e.left+n}else if(Nh(e,s)){r+=e.right-s.right+n}t.scrollTo(r,a)}}function Sh(t,e){const n=Oh(t);let i,o;while(t!=n.document.body){o=e();i=new vh(t).excludeScrollbarsAndBorders();if(!i.contains(o)){if(Mh(o,i)){t.scrollTop-=i.top-o.top}else if(Eh(o,i)){t.scrollTop+=o.bottom-i.bottom}if(Ih(o,i)){t.scrollLeft-=i.left-o.left}else if(Nh(o,i)){t.scrollLeft+=o.right-i.right}}t=t.parentNode}}function Eh(t,e){return t.bottom>e.bottom}function Mh(t,e){return t.top<e.top}function Ih(t,e){return t.left<e.left}function Nh(t,e){return t.right>e.right}function Oh(t){if(wh(t)){return t.startContainer.ownerDocument.defaultView}else{return t.ownerDocument.defaultView}}function Rh(t){if(wh(t)){let e=t.commonAncestorContainer;if(od(e)){e=e.parentNode}return e}else{return t.parentNode}}function Dh(t,e){const n=Oh(t);const i=new vh(t);if(n===e){return i}else{let t=n;while(t!=e){const e=t.frameElement;const n=new vh(e).excludeScrollbarsAndBorders();i.moveBy(n.left,n.top);t=t.parent}}return i}class Lh{constructor(t){this.document=new bl(t);this.domConverter=new zd(this.document);this.domRoots=new Map;this.set(\"isRenderingInProgress\",false);this.set(\"hasDomSelection\",false);this._renderer=new Ad(this.domConverter,this.document.selection);this._renderer.bind(\"isFocused\").to(this.document);this._initialDomRootAttributes=new WeakMap;this._observers=new Map;this._ongoingChange=false;this._postFixersInProgress=false;this._renderingDisabled=false;this._hasChangedSinceTheLastRendering=false;this._writer=new $l(this.document);this.addObserver(Yu);this.addObserver(mh);this.addObserver(gh);this.addObserver(Ku);this.addObserver(hh);this.addObserver(ph);if(Cl.isAndroid){this.addObserver(bh)}hd(this);Fl(this);this.on(\"render\",()=>{this._render();this.document.fire(\"layoutChanged\");this._hasChangedSinceTheLastRendering=false});this.listenTo(this.document.selection,\"change\",()=>{this._hasChangedSinceTheLastRendering=true})}attachDomRoot(t,e=\"main\"){const n=this.document.getRoot(e);n._name=t.tagName.toLowerCase();const i={};for(const{name:e,value:o}of Array.from(t.attributes)){i[e]=o;if(e===\"class\"){this._writer.addClass(o.split(\" \"),n)}else{this._writer.setAttribute(e,o,n)}}this._initialDomRootAttributes.set(t,i);const o=()=>{this._writer.setAttribute(\"contenteditable\",!n.isReadOnly,n);if(n.isReadOnly){this._writer.addClass(\"ck-read-only\",n)}else{this._writer.removeClass(\"ck-read-only\",n)}};o();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(o));n.on(\"change\",()=>{this._hasChangedSinceTheLastRendering=true});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)}e.enable();return 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();if(t){Th({target:this.domConverter.viewRangeToDom(t),viewportOffset:20})}}focus(){if(!this.document.isFocused){const t=this.document.selection.editableElement;if(t){this.domConverter.focus(t);this.forceRender()}else{}}}change(t){if(this.isRenderingInProgress||this._postFixersInProgress){throw new rr[\"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=true;const e=t(this._writer);this._ongoingChange=false;if(!this._renderingDisabled&&this._hasChangedSinceTheLastRendering){this._postFixersInProgress=true;this.document._callPostFixers(this._writer);this._postFixersInProgress=false;this.fire(\"render\")}return e}catch(t){rr[\"b\"].rethrowUnexpectedError(t,this)}}forceRender(){this._hasChangedSinceTheLastRendering=true;this.change(()=>{})}destroy(){for(const t of this._observers.values()){t.destroy()}this.document.destroy();this.stopListening()}createPositionAt(t,e){return ul._createAt(t,e)}createPositionAfter(t){return ul._createAfter(t)}createPositionBefore(t){return ul._createBefore(t)}createRange(t,e){return new hl(t,e)}createRangeOn(t){return hl._createOn(t)}createRangeIn(t){return hl._createIn(t)}createSelection(t,e,n){return new gl(t,e,n)}_disableRendering(t){this._renderingDisabled=t;if(t==false){this.change(()=>{})}}_render(){this.isRenderingInProgress=true;this.disableObservers();this._renderer.render();this.enableObservers();this.isRenderingInProgress=false}}yr(Lh,Kc);class zh{constructor(t){this.parent=null;this._attrs=Ur(t)}get index(){let t;if(!this.parent){return null}if((t=this.parent.getChildIndex(this))===null){throw new rr[\"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((t=this.parent.getChildStartOffset(this))===null){throw new rr[\"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(){if(!this.parent){return null}return this.startOffset+this.offsetSize}get nextSibling(){const t=this.index;return t!==null&&this.parent.getChild(t+1)||null}get previousSibling(){const t=this.index;return t!==null&&this.parent.getChild(t-1)||null}get root(){let t=this;while(t.parent){t=t.parent}return t}isAttached(){return this.root.is(\"rootElement\")}getPath(){const t=[];let e=this;while(e.parent){t.unshift(e.startOffset);e=e.parent}return t}getAncestors(t={includeSelf:false,parentFirst:false}){const e=[];let n=t.includeSelf?this:this.parent;while(n){e[t.parentFirst?\"push\":\"unshift\"](n);n=n.parent}return e}getCommonAncestor(t,e={}){const n=this.getAncestors(e);const i=t.getAncestors(e);let o=0;while(n[o]==i[o]&&n[o]){o++}return o===0?null:n[o-1]}isBefore(t){if(this==t){return false}if(this.root!==t.root){return false}const e=this.getPath();const n=t.getPath();const i=Dr(e,n);switch(i){case\"prefix\":return true;case\"extension\":return false;default:return e[i]<n[i]}}isAfter(t){if(this==t){return false}if(this.root!==t.root){return false}return!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={};if(this._attrs.size){t.attributes=Array.from(this._attrs).reduce((t,e)=>{t[e[0]]=e[1];return t},{})}return t}is(t){return t===\"node\"||t===\"model:node\"}_clone(){return new zh(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(t,e){this._attrs.set(t,e)}_setAttributesTo(t){this._attrs=Ur(t)}_removeAttribute(t){return this._attrs.delete(t)}_clearAttributes(){this._attrs.clear()}}class Vh extends zh{constructor(t,e){super(e);this._data=t||\"\"}get offsetSize(){return this.data.length}get data(){return this._data}is(t){return t===\"text\"||t===\"model:text\"||t===\"node\"||t===\"model:node\"}toJSON(){const t=super.toJSON();t.data=this.data;return t}_clone(){return new Vh(this.data,this.getAttributes())}static fromJSON(t){return new Vh(t.data,t.attributes)}}class jh{constructor(t,e,n){this.textNode=t;if(e<0||e>t.offsetSize){throw new rr[\"b\"](\"model-textproxy-wrong-offsetintext: Given offsetInText value is incorrect.\",this)}if(n<0||e+n>t.offsetSize){throw new rr[\"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 this.textNode.startOffset!==null?this.textNode.startOffset+this.offsetInText:null}get offsetSize(){return this.data.length}get endOffset(){return this.startOffset!==null?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 t===\"textProxy\"||t===\"model:textProxy\"}getPath(){const t=this.textNode.getPath();if(t.length>0){t[t.length-1]+=this.offsetInText}return t}getAncestors(t={includeSelf:false,parentFirst:false}){const e=[];let n=t.includeSelf?this:this.parent;while(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 Bh{constructor(t){this._nodes=[];if(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 e==-1?null:e}getNodeStartOffset(t){const e=this.getNodeIndex(t);return e===null?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 rr[\"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 rr[\"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 zh)){throw new rr[\"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 Fh extends zh{constructor(t,e,n){super(e);this.name=t;this._children=new Bh;if(n){this._insertChild(0,n)}}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return this.childCount===0}is(t,e=null){if(!e){return t===\"element\"||t===\"model:element\"||t===this.name||t===\"model:\"+this.name||t===\"node\"||t===\"model:node\"}return e===this.name&&(t===\"element\"||t===\"model:element\")}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();t.name=this.name;if(this._children.length>0){t.children=[];for(const e of this._children){t.children.push(e.toJSON())}}return t}_clone(t=false){const e=t?Array.from(this._children).map(t=>t._clone(true)):null;return new Fh(this.name,this.getAttributes(),e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=Hh(e);for(const t of n){if(t.parent!==null){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){if(n.name){e.push(Fh.fromJSON(n))}else{e.push(Vh.fromJSON(n))}}}return new Fh(t.name,t.attributes,e)}}function Hh(t){if(typeof t==\"string\"){return[new Vh(t)]}if(!vr(t)){t=[t]}return Array.from(t).map(t=>{if(typeof t==\"string\"){return new Vh(t)}if(t instanceof jh){return new Vh(t.data,t.getAttributes())}return t})}class Uh{constructor(t={}){if(!t.boundaries&&!t.startPosition){throw new rr[\"b\"](\"model-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.\",null)}const e=t.direction||\"forward\";if(e!=\"forward\"&&e!=\"backward\"){throw new rr[\"b\"](\"model-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.\",t,{direction:e})}this.direction=e;this.boundaries=t.boundaries||null;if(t.startPosition){this.position=t.startPosition.clone()}else{this.position=qh._createAt(this.boundaries[this.direction==\"backward\"?\"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,i,o;do{i=this.position;o=this._visitedParent;({done:e,value:n}=this.next())}while(!e&&t(n));if(!e){this.position=i;this._visitedParent=o}}next(){if(this.direction==\"forward\"){return this._next()}else{return this._previous()}}_next(){const t=this.position;const e=this.position.clone();const n=this._visitedParent;if(n.parent===null&&e.offset===n.maxOffset){return{done:true}}if(n===this._boundaryEndParent&&e.offset==this.boundaries.end.offset){return{done:true}}const i=e.parent;const o=$h(e,i);const s=o?o:Yh(e,i,o);if(s instanceof Fh){if(!this.shallow){e.path.push(0);this._visitedParent=s}else{e.offset++}this.position=e;return Wh(\"elementStart\",s,t,e,1)}else if(s instanceof Vh){let i;if(this.singleCharacters){i=1}else{let t=s.endOffset;if(this._boundaryEndParent==n&&this.boundaries.end.offset<t){t=this.boundaries.end.offset}i=t-e.offset}const o=e.offset-s.startOffset;const r=new jh(s,o,i);e.offset+=i;this.position=e;return Wh(\"text\",r,t,e,i)}else{e.path.pop();e.offset++;this.position=e;this._visitedParent=n.parent;if(this.ignoreElementEnd){return this._next()}else{return Wh(\"elementEnd\",n,t,e)}}}_previous(){const t=this.position;const e=this.position.clone();const n=this._visitedParent;if(n.parent===null&&e.offset===0){return{done:true}}if(n==this._boundaryStartParent&&e.offset==this.boundaries.start.offset){return{done:true}}const i=e.parent;const o=$h(e,i);const s=o?o:Gh(e,i,o);if(s instanceof Fh){e.offset--;if(!this.shallow){e.path.push(s.maxOffset);this.position=e;this._visitedParent=s;if(this.ignoreElementEnd){return this._previous()}else{return Wh(\"elementEnd\",s,t,e)}}else{this.position=e;return Wh(\"elementStart\",s,t,e,1)}}else if(s instanceof Vh){let i;if(this.singleCharacters){i=1}else{let t=s.startOffset;if(this._boundaryStartParent==n&&this.boundaries.start.offset>t){t=this.boundaries.start.offset}i=e.offset-t}const o=e.offset-s.startOffset;const r=new jh(s,o-i,i);e.offset-=i;this.position=e;return Wh(\"text\",r,t,e,i)}else{e.path.pop();this.position=e;this._visitedParent=n.parent;return Wh(\"elementStart\",n,t,e,1)}}}function Wh(t,e,n,i,o){return{done:false,value:{type:t,item:e,previousPosition:n,nextPosition:i,length:o}}}class qh{constructor(t,e,n=\"toNone\"){if(!t.is(\"element\")&&!t.is(\"documentFragment\")){throw new rr[\"b\"](\"model-position-root-invalid: Position root invalid.\",t)}if(!(e instanceof Array)||e.length===0){throw new rr[\"b\"](\"model-position-path-incorrect-format: Position path must be an array with at least one item.\",t,{path:e})}if(t.is(\"rootElement\")){e=e.slice()}else{e=[...t.getPath(),...e];t=t.root}this.root=t;this.path=e;this.stickiness=n}get offset(){return this.path[this.path.length-1]}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++){t=t.getChild(t.offsetToIndex(this.path[e]));if(!t){throw new rr[\"b\"](\"model-position-path-incorrect: The position's path is incorrect.\",this,{position:this})}}if(t.is(\"text\")){throw new rr[\"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(){return $h(this,this.parent)}get nodeAfter(){const t=this.parent;return Yh(this,t,$h(this,t))}get nodeBefore(){const t=this.parent;return Gh(this,t,$h(this,t))}get isAtStart(){return this.offset===0}get isAtEnd(){return this.offset==this.parent.maxOffset}compareWith(t){if(this.root!=t.root){return\"different\"}const e=Dr(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 Uh(e);n.skip(t);return n.position}getParentPath(){return this.path.slice(0,-1)}getAncestors(){const t=this.parent;if(t.is(\"documentFragment\")){return[t]}else{return t.getAncestors({includeSelf:true})}}getCommonPath(t){if(this.root!=t.root){return[]}const e=Dr(this.path,t.path);const n=typeof e==\"string\"?Math.min(this.path.length,t.path.length):e;return this.path.slice(0,n)}getCommonAncestor(t){const e=this.getAncestors();const n=t.getAncestors();let i=0;while(e[i]==n[i]&&e[i]){i++}return i===0?null:e[i-1]}getShiftedBy(t){const e=this.clone();const n=e.offset+t;e.offset=n<0?0:n;return e}isAfter(t){return this.compareWith(t)==\"after\"}isBefore(t){return this.compareWith(t)==\"before\"}isEqual(t){return this.compareWith(t)==\"same\"}isTouching(t){let e=null;let n=null;const i=this.compareWith(t);switch(i){case\"same\":return true;case\"before\":e=qh._createAt(this);n=qh._createAt(t);break;case\"after\":e=qh._createAt(t);n=qh._createAt(this);break;default:return false}let o=e.parent;while(e.path.length+n.path.length){if(e.isEqual(n)){return true}if(e.path.length>n.path.length){if(e.offset!==o.maxOffset){return false}e.path=e.path.slice(0,-1);o=o.parent;e.offset++}else{if(n.offset!==0){return false}n.path=n.path.slice(0,-1)}}}is(t){return t===\"position\"||t===\"model:position\"}hasSameParentAs(t){if(this.root!==t.root){return false}const e=this.getParentPath();const n=t.getParentPath();return Dr(e,n)==\"same\"}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=qh._createAt(this);break}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;const n=e.containsPosition(this)||e.start.isEqual(this)&&this.stickiness==\"toNext\";if(n){return this._getCombined(t.splitPosition,t.moveTargetPosition)}else{if(t.graveyardPosition){return this._getTransformedByMove(t.graveyardPosition,t.insertionPosition,1)}else{return this._getTransformedByInsertion(t.insertionPosition,1)}}}_getTransformedByMergeOperation(t){const e=t.movedRange;const n=e.containsPosition(this)||e.start.isEqual(this);let i;if(n){i=this._getCombined(t.sourcePosition,t.targetPosition);if(t.sourcePosition.isBefore(t.targetPosition)){i=i._getTransformedByDeletion(t.deletionPosition,1)}}else if(this.isEqual(t.deletionPosition)){i=qh._createAt(t.deletionPosition)}else{i=this._getTransformedByMove(t.deletionPosition,t.graveyardPosition,1)}return i}_getTransformedByDeletion(t,e){const n=qh._createAt(this);if(this.root!=t.root){return n}if(Dr(t.getParentPath(),this.getParentPath())==\"same\"){if(t.offset<this.offset){if(t.offset+e>this.offset){return null}else{n.offset-=e}}}else if(Dr(t.getParentPath(),this.getParentPath())==\"prefix\"){const i=t.path.length-1;if(t.offset<=this.path[i]){if(t.offset+e>this.path[i]){return null}else{n.path[i]-=e}}}return n}_getTransformedByInsertion(t,e){const n=qh._createAt(this);if(this.root!=t.root){return n}if(Dr(t.getParentPath(),this.getParentPath())==\"same\"){if(t.offset<this.offset||t.offset==this.offset&&this.stickiness!=\"toPrevious\"){n.offset+=e}}else if(Dr(t.getParentPath(),this.getParentPath())==\"prefix\"){const i=t.path.length-1;if(t.offset<=this.path[i]){n.path[i]+=e}}return n}_getTransformedByMove(t,e,n){e=e._getTransformedByDeletion(t,n);if(t.isEqual(e)){return qh._createAt(this)}const i=this._getTransformedByDeletion(t,n);const o=i===null||t.isEqual(this)&&this.stickiness==\"toNext\"||t.getShiftedBy(n).isEqual(this)&&this.stickiness==\"toPrevious\";if(o){return this._getCombined(t,e)}else{return i._getTransformedByInsertion(e,n)}}_getCombined(t,e){const n=t.path.length-1;const i=qh._createAt(e);i.stickiness=this.stickiness;i.offset=i.offset+this.path[n]-t.offset;i.path=[...i.path,...this.path.slice(n+1)];return i}toJSON(){return{root:this.root.toJSON(),path:Array.from(this.path),stickiness:this.stickiness}}clone(){return new this.constructor(this.root,this.path,this.stickiness)}static _createAt(t,e,n=\"toNone\"){if(t instanceof qh){return new qh(t.root,t.path,t.stickiness)}else{const i=t;if(e==\"end\"){e=i.maxOffset}else if(e==\"before\"){return this._createBefore(i,n)}else if(e==\"after\"){return this._createAfter(i,n)}else if(e!==0&&!e){throw new rr[\"b\"](\"model-createPositionAt-offset-required: \"+\"Model#createPositionAt() requires the offset when the first parameter is a model item.\",[this,t])}if(!i.is(\"element\")&&!i.is(\"documentFragment\")){throw new rr[\"b\"](\"model-position-parent-incorrect: Position parent have to be a element or document fragment.\",[this,t])}const o=i.getPath();o.push(e);return new this(i.root,o,n)}}static _createAfter(t,e){if(!t.parent){throw new rr[\"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 rr[\"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(t.root===\"$graveyard\"){const n=new qh(e.graveyard,t.path);n.stickiness=t.stickiness;return n}if(!e.getRoot(t.root)){throw new rr[\"b\"](\"model-position-fromjson-no-root: Cannot create position for document. Root with specified name does not exist.\",e,{rootName:t.root})}return new qh(e.getRoot(t.root),t.path,t.stickiness)}}function $h(t,e){const n=e.getChild(e.offsetToIndex(t.offset));if(n&&n.is(\"text\")&&n.startOffset<t.offset){return n}return null}function Yh(t,e,n){if(n!==null){return null}return e.getChild(e.offsetToIndex(t.offset))}function Gh(t,e,n){if(n!==null){return null}return e.getChild(e.offsetToIndex(t.offset)-1)}class Qh{constructor(t,e=null){this.start=qh._createAt(t);this.end=e?qh._createAt(e):qh._createAt(t);this.start.stickiness=this.isCollapsed?\"toNone\":\"toNext\";this.end.stickiness=this.isCollapsed?\"toNone\":\"toPrevious\"}*[Symbol.iterator](){yield*new Uh({boundaries:this,ignoreElementEnd:true})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){const t=this.start.getParentPath();const e=this.end.getParentPath();return Dr(t,e)==\"same\"}get root(){return this.start.root}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=false){if(t.isCollapsed){e=false}const n=this.containsPosition(t.start)||e&&this.start.isEqual(t.start);const i=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return n&&i}containsItem(t){const e=qh._createBefore(t);return this.containsPosition(e)||this.start.isEqual(e)}is(t){return t===\"range\"||t===\"model:range\"}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=[];if(this.isIntersecting(t)){if(this.containsPosition(t.start)){e.push(new Qh(this.start,t.start))}if(this.containsPosition(t.end)){e.push(new Qh(t.end,this.end))}}else{e.push(new Qh(this.start,this.end))}return e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start;let n=this.end;if(this.containsPosition(t.start)){e=t.start}if(this.containsPosition(t.end)){n=t.end}return new Qh(e,n)}return null}getMinimalFlatRanges(){const t=[];const e=this.start.getCommonPath(this.end).length;const n=qh._createAt(this.start);let i=n.parent;while(n.path.length>e+1){const e=i.maxOffset-n.offset;if(e!==0){t.push(new Qh(n,n.getShiftedBy(e)))}n.path=n.path.slice(0,-1);n.offset++;i=i.parent}while(n.path.length<=this.end.path.length){const e=this.end.path[n.path.length-1];const i=e-n.offset;if(i!==0){t.push(new Qh(n,n.getShiftedBy(i)))}n.offset=e;n.path.push(0)}return t}getWalker(t={}){t.boundaries=this;return new Uh(t)}*getItems(t={}){t.boundaries=this;t.ignoreElementEnd=true;const e=new Uh(t);for(const t of e){yield t.item}}*getPositions(t={}){t.boundaries=this;const e=new Uh(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 Qh(this.start,this.end)]}getTransformedByOperations(t){const e=[new Qh(this.start,this.end)];for(const n of t){for(let t=0;t<e.length;t++){const i=e[t].getTransformedByOperation(n);e.splice(t,1,...i);t+=i.length-1}}for(let t=0;t<e.length;t++){const n=e[t];for(let i=t+1;i<e.length;i++){const t=e[i];if(n.containsRange(t)||t.containsRange(n)||n.isEqual(t)){e.splice(i,1)}}}return e}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}getContainedElement(){if(this.isCollapsed){return null}const t=this.start.nodeAfter;const e=this.end.nodeBefore;if(t&&t.is(\"element\")&&t===e){return t}return null}toJSON(){return{start:this.start.toJSON(),end:this.end.toJSON()}}clone(){return new this.constructor(this.start,this.end)}_getTransformedByInsertOperation(t,e=false){return this._getTransformedByInsertion(t.position,t.howMany,e)}_getTransformedByMoveOperation(t,e=false){const n=t.sourcePosition;const i=t.howMany;const o=t.targetPosition;return this._getTransformedByMove(n,o,i,e)}_getTransformedBySplitOperation(t){const e=this.start._getTransformedBySplitOperation(t);let n=this.end._getTransformedBySplitOperation(t);if(this.end.isEqual(t.insertionPosition)){n=this.end.getShiftedBy(1)}if(e.root!=n.root){n=this.end.getShiftedBy(-1)}return new Qh(e,n)}_getTransformedByMergeOperation(t){if(this.start.isEqual(t.targetPosition)&&this.end.isEqual(t.deletionPosition)){return new Qh(this.start)}let e=this.start._getTransformedByMergeOperation(t);let n=this.end._getTransformedByMergeOperation(t);if(e.root!=n.root){n=this.end.getShiftedBy(-1)}if(e.isAfter(n)){if(t.sourcePosition.isBefore(t.targetPosition)){e=qh._createAt(n);e.offset=0}else{if(!t.deletionPosition.isEqual(e)){n=t.deletionPosition}e=t.targetPosition}return new Qh(e,n)}return new Qh(e,n)}_getTransformedByInsertion(t,e,n=false){if(n&&this.containsPosition(t)){return[new Qh(this.start,t),new Qh(t.getShiftedBy(e),this.end._getTransformedByInsertion(t,e))]}else{const n=new Qh(this.start,this.end);n.start=n.start._getTransformedByInsertion(t,e);n.end=n.end._getTransformedByInsertion(t,e);return[n]}}_getTransformedByMove(t,e,n,i=false){if(this.isCollapsed){const i=this.start._getTransformedByMove(t,e,n);return[new Qh(i)]}const o=Qh._createFromPositionAndShift(t,n);const s=e._getTransformedByDeletion(t,n);if(this.containsPosition(e)&&!i){if(o.containsPosition(this.start)||o.containsPosition(this.end)){const i=this.start._getTransformedByMove(t,e,n);const o=this.end._getTransformedByMove(t,e,n);return[new Qh(i,o)]}}let r;const a=this.getDifference(o);let c=null;const l=this.getIntersection(o);if(a.length==1){c=new Qh(a[0].start._getTransformedByDeletion(t,n),a[0].end._getTransformedByDeletion(t,n))}else if(a.length==2){c=new Qh(this.start,this.end._getTransformedByDeletion(t,n))}if(c){r=c._getTransformedByInsertion(s,n,l!==null||i)}else{r=[]}if(l){const t=new Qh(l.start._getCombined(o.start,s),l.end._getCombined(o.start,s));if(r.length==2){r.splice(1,0,t)}else{r.push(t)}}return r}_getTransformedByDeletion(t,e){let n=this.start._getTransformedByDeletion(t,e);let i=this.end._getTransformedByDeletion(t,e);if(n==null&&i==null){return null}if(n==null){n=t}if(i==null){i=t}return new Qh(n,i)}static _createFromPositionAndShift(t,e){const n=t;const i=t.getShiftedBy(e);return e>0?new this(n,i):new this(i,n)}static _createIn(t){return new this(qh._createAt(t,0),qh._createAt(t,t.maxOffset))}static _createOn(t){return this._createFromPositionAndShift(qh._createBefore(t),t.offsetSize)}static _createFromRanges(t){if(t.length===0){throw new rr[\"b\"](\"range-create-from-ranges-empty-array: At least one range has to be passed.\",null)}else if(t.length==1){return t[0].clone()}const e=t[0];t.sort((t,e)=>t.start.isAfter(e.start)?1:-1);const n=t.indexOf(e);const i=new this(e.start,e.end);if(n>0){for(let e=n-1;true;e++){if(t[e].end.isEqual(i.start)){i.start=qh._createAt(t[e].start)}else{break}}}for(let e=n+1;e<t.length;e++){if(t[e].start.isEqual(i.end)){i.end=qh._createAt(t[e].end)}else{break}}return i}static fromJSON(t,e){return new this(qh.fromJSON(t.start,e),qh.fromJSON(t.end,e))}}class Kh{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);const i=this._viewToModelMapping.get(n);const o=this._toModelOffset(e.viewPosition.parent,e.viewPosition.offset,n);e.modelPosition=qh._createAt(i,o)},{priority:\"low\"})}bindElements(t,e){this._modelToViewMapping.set(t,e);this._viewToModelMapping.set(e,t)}unbindViewElement(t){const e=this.toModelElement(t);this._viewToModelMapping.delete(t);if(this._elementToMarkerNames.has(t)){for(const e of this._elementToMarkerNames.get(t)){this._unboundMarkerNames.add(e)}}if(this._modelToViewMapping.get(e)==t){this._modelToViewMapping.delete(e)}}unbindModelElement(t){const e=this.toViewElement(t);this._modelToViewMapping.delete(t);if(this._viewToModelMapping.get(e)==t){this._viewToModelMapping.delete(e)}}bindElementToMarker(t,e){const n=this._markerNameToElements.get(e)||new Set;n.add(t);const i=this._elementToMarkerNames.get(t)||new Set;i.add(e);this._markerNameToElements.set(e,n);this._elementToMarkerNames.set(t,i)}unbindElementFromMarkerName(t,e){const n=this._markerNameToElements.get(e);if(n){n.delete(t);if(n.size==0){this._markerNameToElements.delete(e)}}const i=this._elementToMarkerNames.get(t);if(i){i.delete(e);if(i.size==0){this._elementToMarkerNames.delete(t)}}}flushUnboundMarkerNames(){const t=Array.from(this._unboundMarkerNames);this._unboundMarkerNames.clear();return 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 Qh(this.toModelPosition(t.start),this.toModelPosition(t.end))}toViewRange(t){return new hl(this.toViewPosition(t.start),this.toViewPosition(t.end))}toModelPosition(t){const e={viewPosition:t,mapper:this};this.fire(\"viewToModelPosition\",e);return e.modelPosition}toViewPosition(t,e={isPhantom:false}){const n={modelPosition:t,mapper:this,isPhantom:e.isPhantom};this.fire(\"modelToViewPosition\",n);return 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;while(!this._viewToModelMapping.has(e)){e=e.parent}return e}_toModelOffset(t,e,n){if(n!=t){const i=this._toModelOffset(t.parent,t.index,n);const o=this._toModelOffset(t,e,t);return i+o}if(t.is(\"text\")){return e}let i=0;for(let n=0;n<e;n++){i+=this.getModelLength(t.getChild(n))}return i}getModelLength(t){if(this._viewToModelLengthCallbacks.get(t.name)){const e=this._viewToModelLengthCallbacks.get(t.name);return e(t)}else if(this._viewToModelMapping.has(t)){return 1}else if(t.is(\"text\")){return t.data.length}else if(t.is(\"uiElement\")){return 0}else{let e=0;for(const n of t.getChildren()){e+=this.getModelLength(n)}return e}}_findPositionIn(t,e){let n;let i=0;let o=0;let s=0;if(t.is(\"text\")){return new ul(t,e)}while(o<e){n=t.getChild(s);i=this.getModelLength(n);o+=i;s++}if(o==e){return this._moveViewPositionToTextNode(new ul(t,s))}else{return this._findPositionIn(n,e-(o-i))}}_moveViewPositionToTextNode(t){const e=t.nodeBefore;const n=t.nodeAfter;if(e instanceof Br){return new ul(e,e.data.length)}else if(n instanceof Br){return new ul(n,0)}return t}}yr(Kh,dr);class Jh{constructor(){this._consumable=new Map;this._textProxyRegistry=new Map}add(t,e){e=Zh(e);if(t instanceof jh){t=this._getSymbolForTextProxy(t)}if(!this._consumable.has(t)){this._consumable.set(t,new Map)}this._consumable.get(t).set(e,true)}consume(t,e){e=Zh(e);if(t instanceof jh){t=this._getSymbolForTextProxy(t)}if(this.test(t,e)){this._consumable.get(t).set(e,false);return true}else{return false}}test(t,e){e=Zh(e);if(t instanceof jh){t=this._getSymbolForTextProxy(t)}const n=this._consumable.get(t);if(n===undefined){return null}const i=n.get(e);if(i===undefined){return null}return i}revert(t,e){e=Zh(e);if(t instanceof jh){t=this._getSymbolForTextProxy(t)}const n=this.test(t,e);if(n===false){this._consumable.get(t).set(e,true);return true}else if(n===true){return false}return null}_getSymbolForTextProxy(t){let e=null;const n=this._textProxyRegistry.get(t.startOffset);if(n){const i=n.get(t.endOffset);if(i){e=i.get(t.parent)}}if(!e){e=this._addSymbolForTextProxy(t.startOffset,t.endOffset,t.parent)}return e}_addSymbolForTextProxy(t,e,n){const i=Symbol(\"textProxySymbol\");let o,s;o=this._textProxyRegistry.get(t);if(!o){o=new Map;this._textProxyRegistry.set(t,o)}s=o.get(e);if(!s){s=new Map;o.set(e,s)}s.set(n,i);return i}}function Zh(t){const e=t.split(\":\");return e.length>1?e[0]+\":\"+e[1]:e[0]}class Xh{constructor(t){this.conversionApi=qc({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()){if(e.type==\"insert\"){this.convertInsert(Qh._createFromPositionAndShift(e.position,e.length),n)}else if(e.type==\"remove\"){this.convertRemove(e.position,e.length,e.name,n)}else{this.convertAttribute(e.range,e.attributeKey,e.attributeOldValue,e.attributeNewValue,n)}}for(const t of this.conversionApi.mapper.flushUnboundMarkerNames()){const i=e.get(t).getRange();this.convertMarkerRemove(t,i,n);this.convertMarkerAdd(t,i,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;const n=Qh._createFromPositionAndShift(e.previousPosition,e.length);const i={item:t,range:n};this._testAndFire(\"insert\",i);for(const e of t.getAttributeKeys()){i.attributeKey=e;i.attributeOldValue=null;i.attributeNewValue=t.getAttribute(e);this._testAndFire(`attribute:${e}`,i)}}this._clearConversionApi()}convertRemove(t,e,n,i){this.conversionApi.writer=i;this.fire(\"remove:\"+n,{position:t,length:e},this.conversionApi);this._clearConversionApi()}convertAttribute(t,e,n,i,o){this.conversionApi.writer=o;this.conversionApi.consumable=this._createConsumableForRange(t,`attribute:${e}`);for(const o of t){const t=o.item;const s=Qh._createFromPositionAndShift(o.previousPosition,o.length);const r={item:t,range:s,attributeKey:e,attributeOldValue:n,attributeNewValue:i};this._testAndFire(`attribute:${e}`,r)}this._clearConversionApi()}convertSelection(t,e,n){const i=Array.from(e.getMarkersAtPosition(t.getFirstPosition()));this.conversionApi.writer=n;this.conversionApi.consumable=this._createSelectionConsumable(t,i);this.fire(\"selection\",{selection:t},this.conversionApi);if(!t.isCollapsed){return}for(const e of i){const n=e.getRange();if(!tf(t.getFirstPosition(),e,this.conversionApi.mapper)){continue}const i={item:t,markerName:e.name,markerRange:n};if(this.conversionApi.consumable.test(t,\"addMarker:\"+e.name)){this.fire(\"addMarker:\"+e.name,i,this.conversionApi)}}for(const e of t.getAttributeKeys()){const n={item:t,range:t.getFirstRange(),attributeKey:e,attributeOldValue:null,attributeNewValue:t.getAttribute(e)};if(this.conversionApi.consumable.test(t,\"attribute:\"+n.attributeKey)){this.fire(\"attribute:\"+n.attributeKey+\":$text\",n,this.conversionApi)}}this._clearConversionApi()}convertMarkerAdd(t,e,n){if(!e.root.document||e.root.rootName==\"$graveyard\"){return}this.conversionApi.writer=n;const i=\"addMarker:\"+t;const o=new Jh;o.add(e,i);this.conversionApi.consumable=o;this.fire(i,{markerName:t,markerRange:e},this.conversionApi);if(!o.test(e,i)){return}this.conversionApi.consumable=this._createConsumableForRange(e,i);for(const n of e.getItems()){if(!this.conversionApi.consumable.test(n,i)){continue}const o={item:n,range:Qh._createOn(n),markerName:t,markerRange:e};this.fire(i,o,this.conversionApi)}this._clearConversionApi()}convertMarkerRemove(t,e,n){if(!e.root.document||e.root.rootName==\"$graveyard\"){return}this.conversionApi.writer=n;this.fire(\"removeMarker:\"+t,{markerName:t,markerRange:e},this.conversionApi);this._clearConversionApi()}_createInsertConsumable(t){const e=new Jh;for(const n of t){const t=n.item;e.add(t,\"insert\");for(const n of t.getAttributeKeys()){e.add(t,\"attribute:\"+n)}}return e}_createConsumableForRange(t,e){const n=new Jh;for(const i of t.getItems()){n.add(i,e)}return n}_createSelectionConsumable(t,e){const n=new Jh;n.add(t,\"selection\");for(const i of e){n.add(t,\"addMarker:\"+i.name)}for(const e of t.getAttributeKeys()){n.add(t,\"attribute:\"+e)}return n}_testAndFire(t,e){if(!this.conversionApi.consumable.test(e.item,t)){return}const n=e.item.name||\"$text\";this.fire(t+\":\"+n,e,this.conversionApi)}_clearConversionApi(){delete this.conversionApi.writer;delete this.conversionApi.consumable}}yr(Xh,dr);function tf(t,e,n){const i=e.getRange();const o=Array.from(t.getAncestors());o.shift();o.reverse();const s=o.some(t=>{if(i.containsItem(t)){const e=n.toViewElement(t);return!!e.getCustomProperty(\"addHighlight\")}});return!s}class ef{constructor(t,e,n){this._lastRangeBackward=false;this._ranges=[];this._attrs=new Map;if(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(){const t=this._ranges.length;if(t===1){return this._ranges[0].isCollapsed}else{return false}}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}isEqual(t){if(this.rangeCount!=t.rangeCount){return false}else if(this.rangeCount===0){return true}if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus)){return false}for(const e of this._ranges){let n=false;for(const i of t._ranges){if(e.isEqual(i)){n=true;break}}if(!n){return false}}return true}*getRanges(){for(const t of this._ranges){yield new Qh(t.start,t.end)}}getFirstRange(){let t=null;for(const e of this._ranges){if(!t||e.start.isBefore(t.start)){t=e}}return t?new Qh(t.start,t.end):null}getLastRange(){let t=null;for(const e of this._ranges){if(!t||e.end.isAfter(t.end)){t=e}}return t?new Qh(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(t===null){this._setRanges([])}else if(t instanceof ef){this._setRanges(t.getRanges(),t.isBackward)}else if(t&&typeof t.getRanges==\"function\"){this._setRanges(t.getRanges(),t.isBackward)}else if(t instanceof Qh){this._setRanges([t],!!e&&!!e.backward)}else if(t instanceof qh){this._setRanges([new Qh(t)])}else if(t instanceof zh){const i=!!n&&!!n.backward;let o;if(e==\"in\"){o=Qh._createIn(t)}else if(e==\"on\"){o=Qh._createOn(t)}else if(e!==undefined){o=new Qh(qh._createAt(t,e))}else{throw new rr[\"b\"](\"model-selection-setTo-required-second-parameter: \"+\"selection.setTo requires the second parameter when the first parameter is a node.\",[this,t])}this._setRanges([o],i)}else if(vr(t)){this._setRanges(t,e&&!!e.backward)}else{throw new rr[\"b\"](\"model-selection-setTo-not-selectable: Cannot set the selection to the given place.\",[this,t])}}_setRanges(t,e=false){t=Array.from(t);const n=t.some(e=>{if(!(e instanceof Qh)){throw new rr[\"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){return}this._removeAllRanges();for(const e of t){this._pushRange(e)}this._lastRangeBackward=!!e;this.fire(\"change:range\",{directChange:true})}setFocus(t,e){if(this.anchor===null){throw new rr[\"b\"](\"model-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.\",[this,t])}const n=qh._createAt(t,e);if(n.compareWith(this.focus)==\"same\"){return}const i=this.anchor;if(this._ranges.length){this._popRange()}if(n.compareWith(i)==\"before\"){this._pushRange(new Qh(n,i));this._lastRangeBackward=true}else{this._pushRange(new Qh(i,n));this._lastRangeBackward=false}this.fire(\"change:range\",{directChange:true})}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){if(this.hasAttribute(t)){this._attrs.delete(t);this.fire(\"change:attribute\",{attributeKeys:[t],directChange:true})}}setAttribute(t,e){if(this.getAttribute(t)!==e){this._attrs.set(t,e);this.fire(\"change:attribute\",{attributeKeys:[t],directChange:true})}}getSelectedElement(){if(this.rangeCount!==1){return null}return this.getFirstRange().getContainedElement()}is(t){return t===\"selection\"||t===\"model:selection\"}*getSelectedBlocks(){const t=new WeakSet;for(const e of this.getRanges()){const n=sf(e.start,t);if(n&&rf(n,e)){yield n}for(const n of e.getWalker()){const i=n.item;if(n.type==\"elementEnd\"&&of(i,t,e)){yield i}}const i=sf(e.end,t);if(i&&!e.end.isTouching(qh._createAt(i,0))&&rf(i,e)){yield i}}}containsEntireContent(t=this.anchor.root){const e=qh._createAt(t,0);const n=qh._createAt(t,\"end\");return e.isTouching(this.getFirstPosition())&&n.isTouching(this.getLastPosition())}_pushRange(t){this._checkRange(t);this._ranges.push(new Qh(t.start,t.end))}_checkRange(t){for(let e=0;e<this._ranges.length;e++){if(t.isIntersecting(this._ranges[e])){throw new rr[\"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(){while(this._ranges.length>0){this._popRange()}}_popRange(){this._ranges.pop()}}yr(ef,dr);function nf(t,e){if(e.has(t)){return false}e.add(t);return t.root.document.model.schema.isBlock(t)&&t.parent}function of(t,e,n){return nf(t,e)&&rf(t,n)}function sf(t,e){const n=t.parent;const i=n.root.document.model.schema;const o=t.parent.getAncestors({parentFirst:true,includeSelf:true});let s=false;const r=o.find(t=>{if(s){return false}s=i.isLimit(t);return!s&&nf(t,e)});o.forEach(t=>e.add(t));return r}function rf(t,e){const n=af(t);if(!n){return true}const i=e.containsRange(Qh._createOn(n),true);return!i}function af(t){const e=t.root.document.model.schema;let n=t.parent;while(n){if(e.isBlock(n)){return n}n=n.parent}}class cf extends Qh{constructor(t,e){super(t,e);lf.call(this)}detach(){this.stopListening()}is(t){return t===\"liveRange\"||t===\"model:liveRange\"||t==\"range\"||t===\"model:range\"}toRange(){return new Qh(this.start,this.end)}static fromRange(t){return new cf(t.start,t.end)}}function lf(){this.listenTo(this.root.document.model,\"applyOperation\",(t,e)=>{const n=e[0];if(!n.isDocumentOperation){return}df.call(this,n)},{priority:\"low\"})}function df(t){const e=this.getTransformedByOperation(t);const n=Qh._createFromRanges(e);const i=!n.isEqual(this);const o=uf(this,t);let s=null;if(i){if(n.root.rootName==\"$graveyard\"){if(t.type==\"remove\"){s=t.sourcePosition}else{s=t.deletionPosition}}const e=this.toRange();this.start=n.start;this.end=n.end;this.fire(\"change:range\",e,{deletionPosition:s})}else if(o){this.fire(\"change:content\",this.toRange(),{deletionPosition:s})}}function uf(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 false}yr(cf,dr);const hf=\"selection:\";class ff{constructor(t){this._selection=new mf(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(false)}is(t){return t===\"selection\"||t==\"model:selection\"||t==\"documentSelection\"||t==\"model:documentSelection\"}_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 hf+t}static _isStoreAttributeKey(t){return t.startsWith(hf)}}yr(ff,dr);class mf extends ef{constructor(t){super();this.markers=new xr({idProperty:\"name\"});this._model=t.model;this._document=t;this._attributePriority=new Map;this._fixGraveyardRangesData=[];this._hasChangedRange=false;this._overriddenGravityRegister=new Set;this.listenTo(this._model,\"applyOperation\",(t,e)=>{const n=e[0];if(!n.isDocumentOperation||n.type==\"marker\"||n.type==\"rename\"||n.type==\"noop\"){return}while(this._fixGraveyardRangesData.length){const{liveRange:t,sourcePosition:e}=this._fixGraveyardRangesData.shift();this._fixGraveyardSelection(t,e)}if(this._hasChangedRange){this._hasChangedRange=false;this.fire(\"change:range\",{directChange:false})}},{priority:\"lowest\"});this.on(\"change:range\",()=>{for(const t of this.getRanges()){if(!this._document._validateSelectionRange(t)){throw new rr[\"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)=>{pf(this._model,e)})}get isCollapsed(){const t=this._ranges.length;return t===0?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(){if(this._ranges.length){yield*super.getRanges()}else{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(true);this._updateMarkers()}setFocus(t,e){super.setFocus(t,e);this._updateAttributes(true);this._updateMarkers()}setAttribute(t,e){if(this._setAttribute(t,e)){const e=[t];this.fire(\"change:attribute\",{attributeKeys:e,directChange:true})}}removeAttribute(t){if(this._removeAttribute(t)){const e=[t];this.fire(\"change:attribute\",{attributeKeys:e,directChange:true})}}overrideGravity(){const t=nr();this._overriddenGravityRegister.add(t);if(this._overriddenGravityRegister.size===1){this._updateAttributes(true)}return t}restoreGravity(t){if(!this._overriddenGravityRegister.has(t)){throw new rr[\"b\"](\"document-selection-gravity-wrong-restore: Attempting to restore the selection gravity for an unknown UID.\",this,{uid:t})}this._overriddenGravityRegister.delete(t);if(!this.isGravityOverridden){this._updateAttributes(true)}}_popRange(){this._ranges.pop().detach()}_pushRange(t){const e=this._prepareRange(t);if(e){this._ranges.push(e)}}_prepareRange(t){this._checkRange(t);if(t.root==this._document.graveyard){return}const e=cf.fromRange(t);e.on(\"change:range\",(t,n,i)=>{this._hasChangedRange=true;if(e.root==this._document.graveyard){this._fixGraveyardRangesData.push({liveRange:e,sourcePosition:i.deletionPosition})}});return e}_updateMarkers(){const t=[];let e=false;for(const e of this._model.markers){const n=e.getRange();for(const i of this.getRanges()){if(n.containsRange(i,!i.isCollapsed)){t.push(e)}}}const n=Array.from(this.markers);for(const n of t){if(!this.markers.has(n)){this.markers.add(n);e=true}}for(const n of Array.from(this.markers)){if(!t.includes(n)){this.markers.remove(n);e=true}}if(e){this.fire(\"change:marker\",{oldMarkers:n,directChange:false})}}_updateAttributes(t){const e=Ur(this._getSurroundingAttributes());const n=Ur(this.getAttributes());if(t){this._attributePriority=new Map;this._attrs=new Map}else{for(const[t,e]of this._attributePriority){if(e==\"low\"){this._attrs.delete(t);this._attributePriority.delete(t)}}}this._setAttributesTo(e);const i=[];for(const[t,e]of this.getAttributes()){if(!n.has(t)||n.get(t)!==e){i.push(t)}}for(const[t]of n){if(!this.hasAttribute(t)){i.push(t)}}if(i.length>0){this.fire(\"change:attribute\",{attributeKeys:i,directChange:false})}}_setAttribute(t,e,n=true){const i=n?\"normal\":\"low\";if(i==\"low\"&&this._attributePriority.get(t)==\"normal\"){return false}const o=super.getAttribute(t);if(o===e){return false}this._attrs.set(t,e);this._attributePriority.set(t,i);return true}_removeAttribute(t,e=true){const n=e?\"normal\":\"low\";if(n==\"low\"&&this._attributePriority.get(t)==\"normal\"){return false}this._attributePriority.set(t,n);if(!super.hasAttribute(t)){return false}this._attrs.delete(t);return true}_setAttributesTo(t){const e=new Set;for(const[e,n]of this.getAttributes()){if(t.get(e)===n){continue}this._removeAttribute(e,false)}for(const[n,i]of t){const t=this._setAttribute(n,i,false);if(t){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(hf)){const n=e.substr(hf.length);yield[n,t.getAttribute(e)]}}}}_getSurroundingAttributes(){const t=this.getFirstPosition();const e=this._model.schema;let n=null;if(!this.isCollapsed){const t=this.getFirstRange();for(const i of t){if(i.item.is(\"element\")&&e.isObject(i.item)){break}if(i.type==\"text\"){n=i.item.getAttributes();break}}}else{const e=t.textNode?t.textNode:t.nodeBefore;const i=t.textNode?t.textNode:t.nodeAfter;if(!this.isGravityOverridden){n=gf(e)}if(!n){n=gf(i)}if(!this.isGravityOverridden&&!n){let t=e;while(t&&!n){t=t.previousSibling;n=gf(t)}}if(!n){let t=i;while(t&&!n){t=t.nextSibling;n=gf(t)}}if(!n){n=this._getStoredAttributes()}}return n}_fixGraveyardSelection(t,e){const n=e.clone();const i=this._model.schema.getNearestSelectionRange(n);const o=this._ranges.indexOf(t);this._ranges.splice(o,1);t.detach();if(i&&!bf(i,this)){const t=this._prepareRange(i);this._ranges.splice(o,0,t)}}}function gf(t){if(t instanceof jh||t instanceof Vh){return t.getAttributes()}return null}function pf(t,e){const n=t.document.differ;for(const i of n.getChanges()){if(i.type!=\"insert\"){continue}const n=i.position.parent;const o=i.length===n.maxOffset;if(o){t.enqueueChange(e,t=>{const e=Array.from(n.getAttributeKeys()).filter(t=>t.startsWith(hf));for(const i of e){t.removeAttribute(i,n)}})}}}function bf(t,e){return!e._ranges.every(e=>!t.isEqual(e))}class wf{constructor(t){this._dispatchers=t}add(t){for(const e of this._dispatchers){t(e)}return this}}var _f=1,kf=4;function vf(t){return Hs(t,_f|kf)}var yf=vf;class xf extends wf{elementToElement(t){return this.add(Vf(t))}attributeToElement(t){return this.add(jf(t))}attributeToAttribute(t){return this.add(Bf(t))}markerToElement(t){return this.add(Ff(t))}markerToHighlight(t){return this.add(Hf(t))}}function Af(){return(t,e,n)=>{if(!n.consumable.consume(e.item,\"insert\")){return}const i=n.writer;const o=n.mapper.toViewPosition(e.range.start);const s=i.createText(e.item.data);i.insert(o,s)}}function Tf(){return(t,e,n)=>{const i=n.mapper.toViewPosition(e.position);const o=e.position.getShiftedBy(e.length);const s=n.mapper.toViewPosition(o,{isPhantom:true});const r=n.writer.createRange(i,s);const a=n.writer.remove(r.getTrimmed());for(const t of n.writer.createRangeIn(a).getItems()){n.mapper.unbindViewElement(t)}}}function Cf(t,e){const n=t.createAttributeElement(\"span\",e.attributes);if(e.classes){n._addClass(e.classes)}if(e.priority){n._priority=e.priority}n._id=e.id;return n}function Pf(){return(t,e,n)=>{const i=e.selection;if(i.isCollapsed){return}if(!n.consumable.consume(i,\"selection\")){return}const o=[];for(const t of i.getRanges()){const e=n.mapper.toViewRange(t);o.push(e)}n.writer.setSelection(o,{backward:i.isBackward})}}function Sf(){return(t,e,n)=>{const i=e.selection;if(!i.isCollapsed){return}if(!n.consumable.consume(i,\"selection\")){return}const o=n.writer;const s=i.getFirstPosition();const r=n.mapper.toViewPosition(s);const a=o.breakAttributes(r);o.setSelection(a)}}function Ef(){return(t,e,n)=>{const i=n.writer;const o=i.document.selection;for(const t of o.getRanges()){if(t.isCollapsed){if(t.end.parent.isAttached()){n.writer.mergeAttributes(t.start)}}}i.setSelection(null)}}function Mf(t){return(e,n,i)=>{const o=t(n.attributeOldValue,i.writer);const s=t(n.attributeNewValue,i.writer);if(!o&&!s){return}if(!i.consumable.consume(n.item,e.name)){return}const r=i.writer;const a=r.document.selection;if(n.item instanceof ef||n.item instanceof ff){r.wrap(a.getFirstRange(),s)}else{let t=i.mapper.toViewRange(n.range);if(n.attributeOldValue!==null&&o){t=r.unwrap(t,o)}if(n.attributeNewValue!==null&&s){r.wrap(t,s)}}}}function If(t){return(e,n,i)=>{const o=t(n.item,i.writer);if(!o){return}if(!i.consumable.consume(n.item,\"insert\")){return}const s=i.mapper.toViewPosition(n.range.start);i.mapper.bindElements(n.item,o);i.writer.insert(s,o)}}function Nf(t){return(e,n,i)=>{n.isOpening=true;const o=t(n,i.writer);n.isOpening=false;const s=t(n,i.writer);if(!o||!s){return}const r=n.markerRange;if(r.isCollapsed&&!i.consumable.consume(r,e.name)){return}for(const t of r){if(!i.consumable.consume(t.item,e.name)){return}}const a=i.mapper;const c=i.writer;c.insert(a.toViewPosition(r.start),o);i.mapper.bindElementToMarker(o,n.markerName);if(!r.isCollapsed){c.insert(a.toViewPosition(r.end),s);i.mapper.bindElementToMarker(s,n.markerName)}e.stop()}}function Of(){return(t,e,n)=>{const i=n.mapper.markerNameToElements(e.markerName);if(!i){return}for(const t of i){n.mapper.unbindElementFromMarkerName(t,e.markerName);n.writer.clear(n.writer.createRangeOn(t),t)}n.writer.clearClonedElementsGroup(e.markerName);t.stop()}}function Rf(t){return(e,n,i)=>{const o=t(n.attributeOldValue,n);const s=t(n.attributeNewValue,n);if(!o&&!s){return}if(!i.consumable.consume(n.item,e.name)){return}const r=i.mapper.toViewElement(n.item);const a=i.writer;if(!r){throw new rr[\"b\"](\"conversion-attribute-to-attribute-on-text: \"+\"Trying to convert text node's attribute with attribute-to-attribute converter.\",[n,i])}if(n.attributeOldValue!==null&&o){if(o.key==\"class\"){const t=Array.isArray(o.value)?o.value:[o.value];for(const e of t){a.removeClass(e,r)}}else if(o.key==\"style\"){const t=Object.keys(o.value);for(const e of t){a.removeStyle(e,r)}}else{a.removeAttribute(o.key,r)}}if(n.attributeNewValue!==null&&s){if(s.key==\"class\"){const t=Array.isArray(s.value)?s.value:[s.value];for(const e of t){a.addClass(e,r)}}else if(s.key==\"style\"){const t=Object.keys(s.value);for(const e of t){a.setStyle(e,s.value[e],r)}}else{a.setAttribute(s.key,s.value,r)}}}}function Df(t){return(e,n,i)=>{if(!n.item){return}if(!(n.item instanceof ef||n.item instanceof ff)&&!n.item.is(\"textProxy\")){return}const o=Yf(t,n,i);if(!o){return}if(!i.consumable.consume(n.item,e.name)){return}const s=i.writer;const r=Cf(s,o);const a=s.document.selection;if(n.item instanceof ef||n.item instanceof ff){s.wrap(a.getFirstRange(),r,a)}else{const t=i.mapper.toViewRange(n.range);const e=s.wrap(t,r);for(const t of e.getItems()){if(t.is(\"attributeElement\")&&t.isSimilar(r)){i.mapper.bindElementToMarker(t,n.markerName);break}}}}}function Lf(t){return(e,n,i)=>{if(!n.item){return}if(!(n.item instanceof Fh)){return}const o=Yf(t,n,i);if(!o){return}if(!i.consumable.test(n.item,e.name)){return}const s=i.mapper.toViewElement(n.item);if(s&&s.getCustomProperty(\"addHighlight\")){i.consumable.consume(n.item,e.name);for(const t of Qh._createIn(n.item)){i.consumable.consume(t.item,e.name)}s.getCustomProperty(\"addHighlight\")(s,o,i.writer);i.mapper.bindElementToMarker(s,n.markerName)}}}function zf(t){return(e,n,i)=>{if(n.markerRange.isCollapsed){return}const o=Yf(t,n,i);if(!o){return}const s=Cf(i.writer,o);const r=i.mapper.markerNameToElements(n.markerName);if(!r){return}for(const t of r){i.mapper.unbindElementFromMarkerName(t,n.markerName);if(t.is(\"attributeElement\")){i.writer.unwrap(i.writer.createRangeOn(t),s)}else{t.getCustomProperty(\"removeHighlight\")(t,o.id,i.writer)}}i.writer.clearClonedElementsGroup(n.markerName);e.stop()}}function Vf(t){t=yf(t);t.view=Uf(t.view,\"container\");return e=>{e.on(\"insert:\"+t.model,If(t.view),{priority:t.converterPriority||\"normal\"})}}function jf(t){t=yf(t);const e=t.model.key?t.model.key:t.model;let n=\"attribute:\"+e;if(t.model.name){n+=\":\"+t.model.name}if(t.model.values){for(const e of t.model.values){t.view[e]=Uf(t.view[e],\"attribute\")}}else{t.view=Uf(t.view,\"attribute\")}const i=qf(t);return e=>{e.on(n,Mf(i),{priority:t.converterPriority||\"normal\"})}}function Bf(t){t=yf(t);const e=t.model.key?t.model.key:t.model;let n=\"attribute:\"+e;if(t.model.name){n+=\":\"+t.model.name}if(t.model.values){for(const e of t.model.values){t.view[e]=$f(t.view[e])}}else{t.view=$f(t.view)}const i=qf(t);return e=>{e.on(n,Rf(i),{priority:t.converterPriority||\"normal\"})}}function Ff(t){t=yf(t);t.view=Uf(t.view,\"ui\");return e=>{e.on(\"addMarker:\"+t.model,Nf(t.view),{priority:t.converterPriority||\"normal\"});e.on(\"removeMarker:\"+t.model,Of(t.view),{priority:t.converterPriority||\"normal\"})}}function Hf(t){return e=>{e.on(\"addMarker:\"+t.model,Df(t.view),{priority:t.converterPriority||\"normal\"});e.on(\"addMarker:\"+t.model,Lf(t.view),{priority:t.converterPriority||\"normal\"});e.on(\"removeMarker:\"+t.model,zf(t.view),{priority:t.converterPriority||\"normal\"})}}function Uf(t,e){if(typeof t==\"function\"){return t}return(n,i)=>Wf(t,i,e)}function Wf(t,e,n){if(typeof t==\"string\"){t={name:t}}let i;const o=Object.assign({},t.attributes);if(n==\"container\"){i=e.createContainerElement(t.name,o)}else if(n==\"attribute\"){const n={priority:t.priority||_l.DEFAULT_PRIORITY};i=e.createAttributeElement(t.name,o,n)}else{i=e.createUIElement(t.name,o)}if(t.styles){const n=Object.keys(t.styles);for(const o of n){e.setStyle(o,t.styles[o],i)}}if(t.classes){const n=t.classes;if(typeof n==\"string\"){e.addClass(n,i)}else{for(const t of n){e.addClass(t,i)}}}return i}function qf(t){if(t.model.values){return(e,n)=>{const i=t.view[e];if(i){return i(e,n)}return null}}else{return t.view}}function $f(t){if(typeof t==\"string\"){return e=>({key:t,value:e})}else if(typeof t==\"object\"){if(t.value){return()=>t}else{return e=>({key:t.key,value:e})}}else{return t}}function Yf(t,e,n){const i=typeof t==\"function\"?t(e,n):t;if(!i){return null}if(!i.priority){i.priority=10}if(!i.id){i.id=e.markerName}return i}class Gf extends wf{elementToElement(t){return this.add(Zf(t))}elementToAttribute(t){return this.add(Xf(t))}attributeToAttribute(t){return this.add(tm(t))}elementToMarker(t){return this.add(em(t))}}function Qf(){return(t,e,n)=>{if(!e.modelRange&&n.consumable.consume(e.viewItem,{name:true})){const{modelRange:t,modelCursor:i}=n.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t;e.modelCursor=i}}}function Kf(){return(t,e,n)=>{if(n.schema.checkChild(e.modelCursor,\"$text\")){if(n.consumable.consume(e.viewItem)){const t=n.writer.createText(e.viewItem.data);n.writer.insert(t,e.modelCursor);e.modelRange=Qh._createFromPositionAndShift(e.modelCursor,t.offsetSize);e.modelCursor=e.modelRange.end}}}}function Jf(t,e){return(n,i)=>{const o=i.newSelection;const s=new ef;const r=[];for(const t of o.getRanges()){r.push(e.toModelRange(t))}s.setTo(r,{backward:o.isBackward});if(!s.isEqual(t.document.selection)){t.change(t=>{t.setSelection(s)})}}}function Zf(t){t=yf(t);const e=im(t);const n=nm(t.view);const i=n?\"element:\"+n:\"element\";return n=>{n.on(i,e,{priority:t.converterPriority||\"normal\"})}}function Xf(t){t=yf(t);rm(t);const e=am(t,false);const n=nm(t.view);const i=n?\"element:\"+n:\"element\";return n=>{n.on(i,e,{priority:t.converterPriority||\"low\"})}}function tm(t){t=yf(t);let e=null;if(typeof t.view==\"string\"||t.view.key){e=sm(t)}rm(t,e);const n=am(t,true);return e=>{e.on(\"element\",n,{priority:t.converterPriority||\"low\"})}}function em(t){t=yf(t);dm(t);return Zf(t)}function nm(t){if(typeof t==\"string\"){return t}if(typeof t==\"object\"&&typeof t.name==\"string\"){return t.name}return null}function im(t){const e=t.view?new Wr(t.view):null;return(n,i,o)=>{let s={};if(e){const t=e.match(i.viewItem);if(!t){return}s=t.match}s.name=true;const r=om(t.model,i.viewItem,o.writer);if(!r){return}if(!o.consumable.test(i.viewItem,s)){return}const a=o.splitToAllowedParent(r,i.modelCursor);if(!a){return}o.writer.insert(r,a.position);o.convertChildren(i.viewItem,o.writer.createPositionAt(r,0));o.consumable.consume(i.viewItem,s);const c=o.getSplitParts(r);i.modelRange=new Qh(o.writer.createPositionBefore(r),o.writer.createPositionAfter(c[c.length-1]));if(a.cursorParent){i.modelCursor=o.writer.createPositionAt(a.cursorParent,0)}else{i.modelCursor=i.modelRange.end}}}function om(t,e,n){if(t instanceof Function){return t(e,n)}else{return n.createElement(t)}}function sm(t){if(typeof t.view==\"string\"){t.view={key:t.view}}const e=t.view.key;let n;if(e==\"class\"||e==\"style\"){const i=e==\"class\"?\"classes\":\"styles\";n={[i]:t.view.value}}else{const i=typeof t.view.value==\"undefined\"?/[\\s\\S]*/:t.view.value;n={attributes:{[e]:i}}}if(t.view.name){n.name=t.view.name}t.view=n;return e}function rm(t,e=null){const n=e===null?true:t=>t.getAttribute(e);const i=typeof t.model!=\"object\"?t.model:t.model.key;const o=typeof t.model!=\"object\"||typeof t.model.value==\"undefined\"?n:t.model.value;t.model={key:i,value:o}}function am(t,e){const n=new Wr(t.view);return(i,o,s)=>{const r=n.match(o.viewItem);if(!r){return}const a=t.model.key;const c=typeof t.model.value==\"function\"?t.model.value(o.viewItem):t.model.value;if(c===null){return}if(cm(t.view,o.viewItem)){r.match.name=true}else{delete r.match.name}if(!s.consumable.test(o.viewItem,r.match)){return}if(!o.modelRange){o=Object.assign(o,s.convertChildren(o.viewItem,o.modelCursor))}const l=lm(o.modelRange,{key:a,value:c},e,s);if(l){s.consumable.consume(o.viewItem,r.match)}}}function cm(t,e){const n=typeof t==\"function\"?t(e):t;if(typeof n==\"object\"&&!nm(n)){return false}return!n.classes&&!n.attributes&&!n.styles}function lm(t,e,n,i){let o=false;for(const s of Array.from(t.getItems({shallow:n}))){if(i.schema.checkAttribute(s,e.key)){i.writer.setAttribute(e.key,e.value,s);o=true}}return o}function dm(t){const e=t.model;t.model=(t,n)=>{const i=typeof e==\"string\"?e:e(t);return n.createElement(\"$marker\",{\"data-name\":i})}}class um{constructor(t,e){this.model=t;this.view=new Lh(e);this.mapper=new Kh;this.downcastDispatcher=new Xh({mapper:this.mapper});const n=this.model.document;const i=n.selection;const o=this.model.markers;this.listenTo(this.model,\"_beforeChanges\",()=>{this.view._disableRendering(true)},{priority:\"highest\"});this.listenTo(this.model,\"_afterChanges\",()=>{this.view._disableRendering(false)},{priority:\"lowest\"});this.listenTo(n,\"change\",()=>{this.view.change(t=>{this.downcastDispatcher.convertChanges(n.differ,o,t);this.downcastDispatcher.convertSelection(i,o,t)})},{priority:\"low\"});this.listenTo(this.view.document,\"selectionChange\",Jf(this.model,this.mapper));this.downcastDispatcher.on(\"insert:$text\",Af(),{priority:\"lowest\"});this.downcastDispatcher.on(\"remove\",Tf(),{priority:\"low\"});this.downcastDispatcher.on(\"selection\",Ef(),{priority:\"low\"});this.downcastDispatcher.on(\"selection\",Pf(),{priority:\"low\"});this.downcastDispatcher.on(\"selection\",Sf(),{priority:\"low\"});this.view.document.roots.bindTo(this.model.document.roots).using(t=>{if(t.rootName==\"$graveyard\"){return null}const e=new ll(this.view.document,t.name);e.rootName=t.rootName;this.mapper.bindElements(t,e);return e})}destroy(){this.view.destroy();this.stopListening()}}yr(um,Kc);class hm{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 rr[\"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 fm{constructor(){this._consumables=new Map}add(t,e){let n;if(t.is(\"text\")||t.is(\"documentFragment\")){this._consumables.set(t,true);return}if(!this._consumables.has(t)){n=new mm(t);this._consumables.set(t,n)}else{n=this._consumables.get(t)}n.add(e)}test(t,e){const n=this._consumables.get(t);if(n===undefined){return null}if(t.is(\"text\")||t.is(\"documentFragment\")){return n}return n.test(e)}consume(t,e){if(this.test(t,e)){if(t.is(\"text\")||t.is(\"documentFragment\")){this._consumables.set(t,false)}else{this._consumables.get(t).consume(e)}return true}return false}revert(t,e){const n=this._consumables.get(t);if(n!==undefined){if(t.is(\"text\")||t.is(\"documentFragment\")){this._consumables.set(t,true)}else{n.revert(e)}}}static consumablesFromElement(t){const e={element:t,name:true,attributes:[],classes:[],styles:[]};const n=t.getAttributeKeys();for(const t of n){if(t==\"style\"||t==\"class\"){continue}e.attributes.push(t)}const i=t.getClassNames();for(const t of i){e.classes.push(t)}const o=t.getStyleNames();for(const t of o){e.styles.push(t)}return e}static createFrom(t,e){if(!e){e=new fm(t)}if(t.is(\"text\")){e.add(t);return e}if(t.is(\"element\")){e.add(t,fm.consumablesFromElement(t))}if(t.is(\"documentFragment\")){e.add(t)}for(const n of t.getChildren()){e=fm.createFrom(n,e)}return e}}class mm{constructor(t){this.element=t;this._canConsumeName=null;this._consumables={attributes:new Map,styles:new Map,classes:new Map}}add(t){if(t.name){this._canConsumeName=true}for(const e in this._consumables){if(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(n!==true){return n}}}return true}consume(t){if(t.name){this._canConsumeName=false}for(const e in this._consumables){if(e in t){this._consume(e,t[e])}}}revert(t){if(t.name){this._canConsumeName=true}for(const e in this._consumables){if(e in t){this._revert(e,t[e])}}}_add(t,e){const n=Qe(e)?e:[e];const i=this._consumables[t];for(const e of n){if(t===\"attributes\"&&(e===\"class\"||e===\"style\")){throw new rr[\"b\"](\"viewconsumable-invalid-attribute: Classes and styles should be handled separately.\",this)}i.set(e,true);if(t===\"styles\"){for(const t of this.element.document.stylesProcessor.getRelatedStyles(e)){i.set(t,true)}}}}_test(t,e){const n=Qe(e)?e:[e];const i=this._consumables[t];for(const e of n){if(t===\"attributes\"&&(e===\"class\"||e===\"style\")){const t=e==\"class\"?\"classes\":\"styles\";const n=this._test(t,[...this._consumables[t].keys()]);if(n!==true){return n}}else{const t=i.get(e);if(t===undefined){return null}if(!t){return false}}}return true}_consume(t,e){const n=Qe(e)?e:[e];const i=this._consumables[t];for(const e of n){if(t===\"attributes\"&&(e===\"class\"||e===\"style\")){const t=e==\"class\"?\"classes\":\"styles\";this._consume(t,[...this._consumables[t].keys()])}else{i.set(e,false);if(t==\"styles\"){for(const t of this.element.document.stylesProcessor.getRelatedStyles(e)){i.set(t,false)}}}}}_revert(t,e){const n=Qe(e)?e:[e];const i=this._consumables[t];for(const e of n){if(t===\"attributes\"&&(e===\"class\"||e===\"style\")){const t=e==\"class\"?\"classes\":\"styles\";this._revert(t,[...this._consumables[t].keys()])}else{const t=i.get(e);if(t===false){i.set(e,true)}}}}}class gm{constructor(){this._sourceDefinitions={};this._attributeProperties={};this.decorate(\"checkChild\");this.decorate(\"checkAttribute\");this.on(\"checkAttribute\",(t,e)=>{e[0]=new pm(e[0])},{priority:\"highest\"});this.on(\"checkChild\",(t,e)=>{e[0]=new pm(e[0]);e[1]=this.getDefinition(e[1])},{priority:\"highest\"})}register(t,e){if(this._sourceDefinitions[t]){throw new rr[\"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 rr[\"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(){if(!this._compiledDefinitions){this._compile()}return this._compiledDefinitions}getDefinition(t){let e;if(typeof t==\"string\"){e=t}else if(t.is&&(t.is(\"text\")||t.is(\"textProxy\"))){e=\"$text\"}else{e=t.name}return 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);if(!e){return false}return!!(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){if(!e){return false}return this._checkContextMatch(e,t)}checkAttribute(t,e){const n=this.getDefinition(t.last);if(!n){return false}return n.allowAttributes.includes(e)}checkMerge(t,e=null){if(t instanceof qh){const e=t.nodeBefore;const n=t.nodeAfter;if(!(e instanceof Fh)){throw new rr[\"b\"](\"schema-check-merge-no-element-before: The node before the merge position must be an element.\",this)}if(!(n instanceof Fh)){throw new rr[\"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 false}}return true}addChildCheck(t){this.on(\"checkChild\",(e,[n,i])=>{if(!i){return}const o=t(n,i);if(typeof o==\"boolean\"){e.stop();e.return=o}},{priority:\"high\"})}addAttributeCheck(t){this.on(\"checkAttribute\",(e,[n,i])=>{const o=t(n,i);if(typeof o==\"boolean\"){e.stop();e.return=o}},{priority:\"high\"})}setAttributeProperties(t,e){this._attributeProperties[t]=Object.assign(this.getAttributeProperties(t),e)}getAttributeProperties(t){return this._attributeProperties[t]||{}}getLimitElement(t){let e;if(t instanceof qh){e=t.parent}else{const n=t instanceof Qh?[t]:Array.from(t.getRanges());e=n.reduce((t,e)=>{const n=e.getCommonAncestor();if(!t){return n}return t.getCommonAncestor(n,{includeSelf:true})},null)}while(!this.isLimit(e)){if(e.parent){e=e.parent}else{break}}return e}checkAttributeInSelection(t,e){if(t.isCollapsed){const n=t.getFirstPosition();const i=[...n.getAncestors(),new Vh(\"\",t.getAttributes())];return this.checkAttribute(i,e)}else{const n=t.getRanges();for(const t of n){for(const n of t){if(this.checkAttribute(n.item,e)){return true}}}}return false}*getValidRanges(t,e){t=Im(t);for(const n of t){yield*this._getValidRangesForRange(n,e)}}getNearestSelectionRange(t,e=\"both\"){if(this.checkChild(t,\"$text\")){return new Qh(t)}let n,i;const o=t.getAncestors().reverse().find(t=>this.isLimit(t))||t.root;if(e==\"both\"||e==\"backward\"){n=new Uh({boundaries:Qh._createIn(o),startPosition:t,direction:\"backward\"})}if(e==\"both\"||e==\"forward\"){i=new Uh({boundaries:Qh._createIn(o),startPosition:t})}for(const t of Mm(n,i)){const e=t.walker==n?\"elementEnd\":\"elementStart\";const i=t.value;if(i.type==e&&this.isObject(i.item)){return Qh._createOn(i.item)}if(this.checkChild(i.nextPosition,\"$text\")){return new Qh(i.nextPosition)}}return null}findAllowedParent(t,e){let n=t.parent;while(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\")){Nm(this,n,e)}else{const t=Qh._createIn(n);const i=t.getPositions();for(const t of i){const n=t.nodeBefore||t.parent;Nm(this,n,e)}}}}createContext(t){return new pm(t)}_clearCache(){this._compiledDefinitions=null}_compile(){const t={};const e=this._sourceDefinitions;const n=Object.keys(e);for(const i of n){t[i]=bm(e[i],i)}for(const e of n){wm(t,e)}for(const e of n){_m(t,e)}for(const e of n){km(t,e);vm(t,e)}for(const e of n){ym(t,e);xm(t,e)}this._compiledDefinitions=t}_checkContextMatch(t,e,n=e.length-1){const i=e.getItem(n);if(t.allowIn.includes(i.name)){if(n==0){return true}else{const t=this.getDefinition(i);return this._checkContextMatch(t,e,n-1)}}else{return false}}*_getValidRangesForRange(t,e){let n=t.start;let i=t.start;for(const o of t.getItems({shallow:true})){if(o.is(\"element\")){yield*this._getValidRangesForRange(Qh._createIn(o),e)}if(!this.checkAttribute(o,e)){if(!n.isEqual(i)){yield new Qh(n,i)}n=qh._createAfter(o)}i=qh._createAfter(o)}if(!n.isEqual(i)){yield new Qh(n,i)}}}yr(gm,Kc);class pm{constructor(t){if(t instanceof pm){return t}if(typeof t==\"string\"){t=[t]}else if(!Array.isArray(t)){t=t.getAncestors({includeSelf:true})}if(t[0]&&typeof t[0]!=\"string\"&&t[0].is(\"documentFragment\")){t.shift()}this._items=t.map(Em)}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 pm([t]);e._items=[...this._items,...e._items];return 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 bm(t,e){const n={name:e,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],inheritTypesFrom:[]};Am(t,n);Tm(t,n,\"allowIn\");Tm(t,n,\"allowContentOf\");Tm(t,n,\"allowWhere\");Tm(t,n,\"allowAttributes\");Tm(t,n,\"allowAttributesOf\");Tm(t,n,\"inheritTypesFrom\");Cm(t,n);return n}function wm(t,e){for(const n of t[e].allowContentOf){if(t[n]){const i=Pm(t,n);i.forEach(t=>{t.allowIn.push(e)})}}delete t[e].allowContentOf}function _m(t,e){for(const n of t[e].allowWhere){const i=t[n];if(i){const n=i.allowIn;t[e].allowIn.push(...n)}}delete t[e].allowWhere}function km(t,e){for(const n of t[e].allowAttributesOf){const i=t[n];if(i){const n=i.allowAttributes;t[e].allowAttributes.push(...n)}}delete t[e].allowAttributesOf}function vm(t,e){const n=t[e];for(const e of n.inheritTypesFrom){const i=t[e];if(i){const t=Object.keys(i).filter(t=>t.startsWith(\"is\"));for(const e of t){if(!(e in n)){n[e]=i[e]}}}}delete n.inheritTypesFrom}function ym(t,e){const n=t[e];const i=n.allowIn.filter(e=>t[e]);n.allowIn=Array.from(new Set(i))}function xm(t,e){const n=t[e];n.allowAttributes=Array.from(new Set(n.allowAttributes))}function Am(t,e){for(const n of t){const t=Object.keys(n).filter(t=>t.startsWith(\"is\"));for(const i of t){e[i]=n[i]}}}function Tm(t,e,n){for(const i of t){if(typeof i[n]==\"string\"){e[n].push(i[n])}else if(Array.isArray(i[n])){e[n].push(...i[n])}}}function Cm(t,e){for(const n of t){const t=n.inheritAllFrom;if(t){e.allowContentOf.push(t);e.allowWhere.push(t);e.allowAttributesOf.push(t);e.inheritTypesFrom.push(t)}}}function Pm(t,e){const n=t[e];return Sm(t).filter(t=>t.allowIn.includes(n.name))}function Sm(t){return Object.keys(t).map(e=>t[e])}function Em(t){if(typeof t==\"string\"){return{name:t,*getAttributeKeys(){},getAttribute(){}}}else{return{name:t.is(\"element\")?t.name:\"$text\",*getAttributeKeys(){yield*t.getAttributeKeys()},getAttribute(e){return t.getAttribute(e)}}}}function*Mm(t,e){let n=false;while(!n){n=true;if(t){const e=t.next();if(!e.done){n=false;yield{walker:t,value:e.value}}}if(e){const t=e.next();if(!t.done){n=false;yield{walker:e,value:t.value}}}}}function*Im(t){for(const e of t){yield*e.getMinimalFlatRanges()}}function Nm(t,e,n){for(const i of e.getAttributeKeys()){if(!t.checkAttribute(e,i)){n.removeAttribute(i,e)}}}class Om{constructor(t={}){this._splitParts=new Map;this._modelCursor=null;this.conversionApi=Object.assign({},t);this.conversionApi.convertItem=this._convertItem.bind(this);this.conversionApi.convertChildren=this._convertChildren.bind(this);this.conversionApi.splitToAllowedParent=this._splitToAllowedParent.bind(this);this.conversionApi.getSplitParts=this._getSplitParts.bind(this)}convert(t,e,n=[\"$root\"]){this.fire(\"viewCleanup\",t);this._modelCursor=Dm(n,e);this.conversionApi.writer=e;this.conversionApi.consumable=fm.createFrom(t);this.conversionApi.store={};const{modelRange:i}=this._convertItem(t,this._modelCursor);const o=e.createDocumentFragment();if(i){this._removeEmptyElements();for(const t of Array.from(this._modelCursor.parent.getChildren())){e.append(t,o)}o.markers=Rm(o,e)}this._modelCursor=null;this._splitParts.clear();this.conversionApi.writer=null;this.conversionApi.store=null;return o}_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)}else if(t.is(\"text\")){this.fire(\"text\",n,this.conversionApi)}else{this.fire(\"documentFragment\",n,this.conversionApi)}if(n.modelRange&&!(n.modelRange instanceof Qh)){throw new rr[\"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 Qh(e);let i=e;for(const e of Array.from(t.getChildren())){const t=this._convertItem(e,i);if(t.modelRange instanceof Qh){n.end=t.modelRange.end;i=t.modelCursor}}return{modelRange:n,modelCursor:i}}_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 i=this.conversionApi.writer.split(e,n);const o=[];for(const t of i.range.getWalker()){if(t.type==\"elementEnd\"){o.push(t.item)}else{const e=o.pop();const n=t.item;this._registerSplitPair(e,n)}}return{position:i.position,cursorParent:i.range.end.parent}}_registerSplitPair(t,e){if(!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;if(!this._splitParts.has(t)){e=[t]}else{e=this._splitParts.get(t)}return e}_removeEmptyElements(){let t=false;for(const e of this._splitParts.keys()){if(e.isEmpty){this.conversionApi.writer.remove(e);this._splitParts.delete(e);t=true}}if(t){this._removeEmptyElements()}}}yr(Om,dr);function Rm(t,e){const n=new Set;const i=new Map;const o=Qh._createIn(t).getItems();for(const t of o){if(t.name==\"$marker\"){n.add(t)}}for(const t of n){const n=t.getAttribute(\"data-name\");const o=e.createPositionBefore(t);if(!i.has(n)){i.set(n,new Qh(o.clone()))}else{i.get(n).end=o.clone()}e.remove(t)}return i}function Dm(t,e){let n;for(const i of new pm(t)){const t={};for(const e of i.getAttributeKeys()){t[e]=i.getAttribute(e)}const o=e.createElement(i.name,t);if(n){e.append(o,n)}n=qh._createAt(o,0)}return n}class Lm{constructor(t,e){this.model=t;this.stylesProcessor=e;this.processor;this.mapper=new Kh;this.downcastDispatcher=new Xh({mapper:this.mapper});this.downcastDispatcher.on(\"insert:$text\",Af(),{priority:\"lowest\"});this.upcastDispatcher=new Om({schema:t.schema});this.viewDocument=new bl(e);this._viewWriter=new $l(this.viewDocument);this.upcastDispatcher.on(\"text\",Kf(),{priority:\"lowest\"});this.upcastDispatcher.on(\"element\",Qf(),{priority:\"lowest\"});this.upcastDispatcher.on(\"documentFragment\",Qf(),{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 rr[\"b\"](\"datacontroller-get-non-existent-root: Attempting to get data from a non-existing root.\",this)}const i=this.model.document.getRoot(e);if(n===\"empty\"&&!this.model.hasContent(i,{ignoreWhitespaces:true})){return\"\"}return this.stringify(i)}stringify(t){const e=this.toView(t);return this.processor.toData(e)}toView(t){const e=this.viewDocument;const n=this._viewWriter;this.mapper.clearBindings();const i=Qh._createIn(t);const o=new Wl(e);this.mapper.bindElements(t,o);this.downcastDispatcher.convertInsert(i,n);if(!t.is(\"documentFragment\")){const e=zm(t);for(const[t,i]of e){this.downcastDispatcher.convertMarkerAdd(t,i,n)}}return o}init(t){if(this.model.document.version){throw new rr[\"b\"](\"datacontroller-init-document-not-empty: Trying to set initial data to not empty document.\",this)}let e={};if(typeof t===\"string\"){e.main=t}else{e=t}if(!this._checkIfRootsExists(Object.keys(e))){throw new rr[\"b\"](\"datacontroller-init-non-existent-root: Attempting to init data on a non-existing root.\",this)}this.model.enqueueChange(\"transparent\",t=>{for(const n of Object.keys(e)){const i=this.model.document.getRoot(n);t.insert(this.parse(e[n],i),i,0)}});return Promise.resolve()}set(t){let e={};if(typeof t===\"string\"){e.main=t}else{e=t}if(!this._checkIfRootsExists(Object.keys(e))){throw new rr[\"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 i=this.model.document.getRoot(n);t.remove(t.createRangeIn(i));t.insert(this.parse(e[n],i),i,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 false}}return true}}yr(Lm,Kc);function zm(t){const e=[];const n=t.root.document;if(!n){return[]}const i=Qh._createIn(t);for(const t of n.model.markers){const n=i.getIntersection(t.getRange());if(n){e.push([t.name,n])}}return e}class Vm{constructor(t,e){this._helpers=new Map;this._downcast=Array.isArray(t)?t:[t];this._createConversionHelpers({name:\"downcast\",dispatchers:this._downcast,isDowncast:true});this._upcast=Array.isArray(e)?e:[e];this._createConversionHelpers({name:\"upcast\",dispatchers:this._upcast,isDowncast:false})}addAlias(t,e){const n=this._downcast.includes(e);const i=this._upcast.includes(e);if(!i&&!n){throw new rr[\"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 rr[\"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 jm(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 jm(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 jm(t)){this.for(\"upcast\").attributeToAttribute({view:n,model:e})}}_createConversionHelpers({name:t,dispatchers:e,isDowncast:n}){if(this._helpers.has(t)){throw new rr[\"b\"](\"conversion-group-exists: Trying to register a group name that has already been registered.\",this)}const i=n?new xf(e):new Gf(e);this._helpers.set(t,i)}}function*jm(t){if(t.model.values){for(const e of t.model.values){const n={key:t.model.key,value:e};const i=t.view[e];const o=t.upcastAlso?t.upcastAlso[e]:undefined;yield*Bm(n,i,o)}}else{yield*Bm(t.model,t.view,t.upcastAlso)}}function*Bm(t,e,n){yield{model:t,view:e};if(n){n=Array.isArray(n)?n:[n];for(const e of n){yield{model:t,view:e}}}}class Fm{constructor(t=\"default\"){this.operations=[];this.type=t}get baseVersion(){for(const t of this.operations){if(t.baseVersion!==null){return t.baseVersion}}return null}addOperation(t){t.batch=this;this.operations.push(t);return t}}class Hm{constructor(t){this.baseVersion=t;this.isDocumentOperation=this.baseVersion!==null;this.batch=null}_validate(){}toJSON(){const t=Object.assign({},this);t.__className=this.constructor.className;delete t.batch;delete t.isDocumentOperation;return t}static get className(){return\"Operation\"}static fromJSON(t){return new this(t.baseVersion)}}class Um{constructor(t){this.markers=new Map;this._children=new Bh;if(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 this.childCount===0}get root(){return this}get parent(){return null}is(t){return t===\"documentFragment\"||t===\"model:documentFragment\"}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){if(n.name){e.push(Fh.fromJSON(n))}else{e.push(Vh.fromJSON(n))}}return new Um(e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=Wm(e);for(const t of n){if(t.parent!==null){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 Wm(t){if(typeof t==\"string\"){return[new Vh(t)]}if(!vr(t)){t=[t]}return Array.from(t).map(t=>{if(typeof t==\"string\"){return new Vh(t)}if(t instanceof jh){return new Vh(t.data,t.getAttributes())}return t})}function qm(t,e){e=Qm(e);const n=e.reduce((t,e)=>t+e.offsetSize,0);const i=t.parent;Jm(t);const o=t.index;i._insertChild(o,e);Km(i,o+e.length);Km(i,o);return new Qh(t,t.getShiftedBy(n))}function $m(t){if(!t.isFlat){throw new rr[\"b\"](\"operation-utils-remove-range-not-flat: \"+\"Trying to remove a range which starts and ends in different element.\",this)}const e=t.start.parent;Jm(t.start);Jm(t.end);const n=e._removeChildren(t.start.index,t.end.index-t.start.index);Km(e,t.start.index);return n}function Ym(t,e){if(!t.isFlat){throw new rr[\"b\"](\"operation-utils-move-range-not-flat: \"+\"Trying to move a range which starts and ends in different element.\",this)}const n=$m(t);e=e._getTransformedByDeletion(t.start,t.end.offset-t.start.offset);return qm(e,n)}function Gm(t,e,n){Jm(t.start);Jm(t.end);for(const i of t.getItems({shallow:true})){const t=i.is(\"textProxy\")?i.textNode:i;if(n!==null){t._setAttribute(e,n)}else{t._removeAttribute(e)}Km(t.parent,t.index)}Km(t.end.parent,t.end.index)}function Qm(t){const e=[];if(!(t instanceof Array)){t=[t]}for(let n=0;n<t.length;n++){if(typeof t[n]==\"string\"){e.push(new Vh(t[n]))}else if(t[n]instanceof jh){e.push(new Vh(t[n].data,t[n].getAttributes()))}else if(t[n]instanceof Um||t[n]instanceof Bh){for(const i of t[n]){e.push(i)}}else if(t[n]instanceof zh){e.push(t[n])}}for(let t=1;t<e.length;t++){const n=e[t];const i=e[t-1];if(n instanceof Vh&&i instanceof Vh&&Zm(n,i)){e.splice(t-1,2,new Vh(i.data+n.data,i.getAttributes()));t--}}return e}function Km(t,e){const n=t.getChild(e-1);const i=t.getChild(e);if(n&&i&&n.is(\"text\")&&i.is(\"text\")&&Zm(n,i)){const o=new Vh(n.data+i.data,n.getAttributes());t._removeChildren(e-1,2);t._insertChild(e-1,o)}}function Jm(t){const e=t.textNode;const n=t.parent;if(e){const i=t.offset-e.startOffset;const o=e.index;n._removeChildren(o,1);const s=new Vh(e.data.substr(0,i),e.getAttributes());const r=new Vh(e.data.substr(i),e.getAttributes());n._insertChild(o,[s,r])}}function Zm(t,e){const n=t.getAttributes();const i=e.getAttributes();for(const t of n){if(t[1]!==e.getAttribute(t[0])){return false}i.next()}return i.next().done}function Xm(t,e){return Wu(t,e)}var tg=Xm;class eg extends Hm{constructor(t,e,n,i,o){super(o);this.range=t.clone();this.key=e;this.oldValue=n===undefined?null:n;this.newValue=i===undefined?null:i}get type(){if(this.oldValue===null){return\"addAttribute\"}else if(this.newValue===null){return\"removeAttribute\"}else{return\"changeAttribute\"}}clone(){return new eg(this.range,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new eg(this.range,this.key,this.newValue,this.oldValue,this.baseVersion+1)}toJSON(){const t=super.toJSON();t.range=this.range.toJSON();return t}_validate(){if(!this.range.isFlat){throw new rr[\"b\"](\"attribute-operation-range-not-flat: The range to change is not flat.\",this)}for(const t of this.range.getItems({shallow:true})){if(this.oldValue!==null&&!tg(t.getAttribute(this.key),this.oldValue)){throw new rr[\"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(this.oldValue===null&&this.newValue!==null&&t.hasAttribute(this.key)){throw new rr[\"b\"](\"attribute-operation-attribute-exists: The attribute with given key already exists.\",this,{node:t,key:this.key})}}}_execute(){if(!tg(this.oldValue,this.newValue)){Gm(this.range,this.key,this.newValue)}}static get className(){return\"AttributeOperation\"}static fromJSON(t,e){return new eg(Qh.fromJSON(t.range,e),t.key,t.oldValue,t.newValue,t.baseVersion)}}class ng extends Hm{constructor(t,e){super(null);this.sourcePosition=t.clone();this.howMany=e}get type(){return\"detach\"}toJSON(){const t=super.toJSON();t.sourcePosition=this.sourcePosition.toJSON();return t}_validate(){if(this.sourcePosition.root.document){throw new rr[\"b\"](\"detach-operation-on-document-node: Cannot detach document node.\",this)}}_execute(){$m(Qh._createFromPositionAndShift(this.sourcePosition,this.howMany))}static get className(){return\"DetachOperation\"}}class ig extends Hm{constructor(t,e,n,i){super(i);this.sourcePosition=t.clone();this.sourcePosition.stickiness=\"toNext\";this.howMany=e;this.targetPosition=n.clone();this.targetPosition.stickiness=\"toNone\"}get type(){if(this.targetPosition.root.rootName==\"$graveyard\"){return\"remove\"}else if(this.sourcePosition.root.rootName==\"$graveyard\"){return\"reinsert\"}return\"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;const e=this.targetPosition.parent;const n=this.sourcePosition.offset;const i=this.targetPosition.offset;if(n+this.howMany>t.maxOffset){throw new rr[\"b\"](\"move-operation-nodes-do-not-exist: The nodes which should be moved do not exist.\",this)}else if(t===e&&n<i&&i<n+this.howMany){throw new rr[\"b\"](\"move-operation-range-into-itself: Trying to move a range of nodes to the inside of that range.\",this)}else if(this.sourcePosition.root==this.targetPosition.root){if(Dr(this.sourcePosition.getParentPath(),this.targetPosition.getParentPath())==\"prefix\"){const t=this.sourcePosition.path.length-1;if(this.targetPosition.path[t]>=n&&this.targetPosition.path[t]<n+this.howMany){throw new rr[\"b\"](\"move-operation-node-into-itself: Trying to move a range of nodes into one of nodes from that range.\",this)}}}}_execute(){Ym(Qh._createFromPositionAndShift(this.sourcePosition,this.howMany),this.targetPosition)}toJSON(){const t=super.toJSON();t.sourcePosition=this.sourcePosition.toJSON();t.targetPosition=this.targetPosition.toJSON();return t}static get className(){return\"MoveOperation\"}static fromJSON(t,e){const n=qh.fromJSON(t.sourcePosition,e);const i=qh.fromJSON(t.targetPosition,e);return new this(n,t.howMany,i,t.baseVersion)}}class og extends Hm{constructor(t,e,n){super(n);this.position=t.clone();this.position.stickiness=\"toNone\";this.nodes=new Bh(Qm(e));this.shouldReceiveAttributes=false}get type(){return\"insert\"}get howMany(){return this.nodes.maxOffset}clone(){const t=new Bh([...this.nodes].map(t=>t._clone(true)));const e=new og(this.position,t,this.baseVersion);e.shouldReceiveAttributes=this.shouldReceiveAttributes;return e}getReversed(){const t=this.position.root.document.graveyard;const e=new qh(t,[0]);return new ig(this.position,this.nodes.maxOffset,e,this.baseVersion+1)}_validate(){const t=this.position.parent;if(!t||t.maxOffset<this.position.offset){throw new rr[\"b\"](\"insert-operation-position-invalid: Insertion position is invalid.\",this)}}_execute(){const t=this.nodes;this.nodes=new Bh([...t].map(t=>t._clone(true)));qm(this.position,t)}toJSON(){const t=super.toJSON();t.position=this.position.toJSON();t.nodes=this.nodes.toJSON();return t}static get className(){return\"InsertOperation\"}static fromJSON(t,e){const n=[];for(const e of t.nodes){if(e.name){n.push(Fh.fromJSON(e))}else{n.push(Vh.fromJSON(e))}}const i=new og(qh.fromJSON(t.position,e),n,t.baseVersion);i.shouldReceiveAttributes=t.shouldReceiveAttributes;return i}}class sg extends Hm{constructor(t,e,n,i,o,s){super(s);this.name=t;this.oldRange=e?e.clone():null;this.newRange=n?n.clone():null;this.affectsData=o;this._markers=i}get type(){return\"marker\"}clone(){return new sg(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new sg(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,true,this.affectsData)}toJSON(){const t=super.toJSON();if(this.oldRange){t.oldRange=this.oldRange.toJSON()}if(this.newRange){t.newRange=this.newRange.toJSON()}delete t._markers;return t}static get className(){return\"MarkerOperation\"}static fromJSON(t,e){return new sg(t.name,t.oldRange?Qh.fromJSON(t.oldRange,e):null,t.newRange?Qh.fromJSON(t.newRange,e):null,e.model.markers,t.affectsData,t.baseVersion)}}class rg extends Hm{constructor(t,e,n,i){super(i);this.position=t;this.position.stickiness=\"toNext\";this.oldName=e;this.newName=n}get type(){return\"rename\"}clone(){return new rg(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new rg(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const t=this.position.nodeAfter;if(!(t instanceof Fh)){throw new rr[\"b\"](\"rename-operation-wrong-position: Given position is invalid or node after it is not an instance of Element.\",this)}else if(t.name!==this.oldName){throw new rr[\"b\"](\"rename-operation-wrong-name: Element to change has different name than operation's old name.\",this)}}_execute(){const t=this.position.nodeAfter;t.name=this.newName}toJSON(){const t=super.toJSON();t.position=this.position.toJSON();return t}static get className(){return\"RenameOperation\"}static fromJSON(t,e){return new rg(qh.fromJSON(t.position,e),t.oldName,t.newName,t.baseVersion)}}class ag extends Hm{constructor(t,e,n,i,o){super(o);this.root=t;this.key=e;this.oldValue=n;this.newValue=i}get type(){if(this.oldValue===null){return\"addRootAttribute\"}else if(this.newValue===null){return\"removeRootAttribute\"}else{return\"changeRootAttribute\"}}clone(){return new ag(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new ag(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is(\"documentFragment\")){throw new rr[\"b\"](\"rootattribute-operation-not-a-root: The element to change is not a root element.\",this,{root:this.root,key:this.key})}if(this.oldValue!==null&&this.root.getAttribute(this.key)!==this.oldValue){throw new rr[\"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(this.oldValue===null&&this.newValue!==null&&this.root.hasAttribute(this.key)){throw new rr[\"b\"](\"rootattribute-operation-attribute-exists: The attribute with given key already exists.\",this,{root:this.root,key:this.key})}}_execute(){if(this.newValue!==null){this.root._setAttribute(this.key,this.newValue)}else{this.root._removeAttribute(this.key)}}toJSON(){const t=super.toJSON();t.root=this.root.toJSON();return t}static get className(){return\"RootAttributeOperation\"}static fromJSON(t,e){if(!e.getRoot(t.root)){throw new rr[\"b\"](\"rootattribute-operation-fromjson-no-root: Cannot create RootAttributeOperation. Root with specified name does not exist.\",this,{rootName:t.root})}return new ag(e.getRoot(t.root),t.key,t.oldValue,t.newValue,t.baseVersion)}}class cg extends Hm{constructor(t,e,n,i,o){super(o);this.sourcePosition=t.clone();this.sourcePosition.stickiness=\"toPrevious\";this.howMany=e;this.targetPosition=n.clone();this.targetPosition.stickiness=\"toNext\";this.graveyardPosition=i.clone()}get type(){return\"merge\"}get deletionPosition(){return new qh(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const t=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Qh(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);const e=this.sourcePosition.path.slice(0,-1);const n=new qh(this.sourcePosition.root,e)._getTransformedByMergeOperation(this);const i=new lg(t,this.howMany,this.graveyardPosition,this.baseVersion+1);i.insertionPosition=n;return i}_validate(){const t=this.sourcePosition.parent;const e=this.targetPosition.parent;if(!t.parent){throw new rr[\"b\"](\"merge-operation-source-position-invalid: Merge source position is invalid.\",this)}else if(!e.parent){throw new rr[\"b\"](\"merge-operation-target-position-invalid: Merge target position is invalid.\",this)}else if(this.howMany!=t.maxOffset){throw new rr[\"b\"](\"merge-operation-how-many-invalid: Merge operation specifies wrong number of nodes to move.\",this)}}_execute(){const t=this.sourcePosition.parent;const e=Qh._createIn(t);Ym(e,this.targetPosition);Ym(Qh._createOn(t),this.graveyardPosition)}toJSON(){const t=super.toJSON();t.sourcePosition=t.sourcePosition.toJSON();t.targetPosition=t.targetPosition.toJSON();t.graveyardPosition=t.graveyardPosition.toJSON();return t}static get className(){return\"MergeOperation\"}static fromJSON(t,e){const n=qh.fromJSON(t.sourcePosition,e);const i=qh.fromJSON(t.targetPosition,e);const o=qh.fromJSON(t.graveyardPosition,e);return new this(n,t.howMany,i,o,t.baseVersion)}}class lg extends Hm{constructor(t,e,n,i){super(i);this.splitPosition=t.clone();this.splitPosition.stickiness=\"toNext\";this.howMany=e;this.insertionPosition=lg.getInsertionPosition(t);this.insertionPosition.stickiness=\"toNone\";this.graveyardPosition=n?n.clone():null;if(this.graveyardPosition){this.graveyardPosition.stickiness=\"toNext\"}}get type(){return\"split\"}get moveTargetPosition(){const t=this.insertionPosition.path.slice();t.push(0);return new qh(this.insertionPosition.root,t)}get movedRange(){const t=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Qh(this.splitPosition,t)}clone(){const t=new this.constructor(this.splitPosition,this.howMany,this.graveyardPosition,this.baseVersion);t.insertionPosition=this.insertionPosition;return t}getReversed(){const t=this.splitPosition.root.document.graveyard;const e=new qh(t,[0]);return new cg(this.moveTargetPosition,this.howMany,this.splitPosition,e,this.baseVersion+1)}_validate(){const t=this.splitPosition.parent;const e=this.splitPosition.offset;if(!t||t.maxOffset<e){throw new rr[\"b\"](\"split-operation-position-invalid: Split position is invalid.\",this)}else if(!t.parent){throw new rr[\"b\"](\"split-operation-split-in-root: Cannot split root element.\",this)}else if(this.howMany!=t.maxOffset-this.splitPosition.offset){throw new rr[\"b\"](\"split-operation-how-many-invalid: Split operation specifies wrong number of nodes to move.\",this)}else if(this.graveyardPosition&&!this.graveyardPosition.nodeAfter){throw new rr[\"b\"](\"split-operation-graveyard-position-invalid: Graveyard position invalid.\",this)}}_execute(){const t=this.splitPosition.parent;if(this.graveyardPosition){Ym(Qh._createFromPositionAndShift(this.graveyardPosition,1),this.insertionPosition)}else{const e=t._clone();qm(this.insertionPosition,e)}const e=new Qh(qh._createAt(t,this.splitPosition.offset),qh._createAt(t,t.maxOffset));Ym(e,this.moveTargetPosition)}toJSON(){const t=super.toJSON();t.splitPosition=this.splitPosition.toJSON();t.insertionPosition=this.insertionPosition.toJSON();if(this.graveyardPosition){t.graveyardPosition=this.graveyardPosition.toJSON()}return t}static get className(){return\"SplitOperation\"}static getInsertionPosition(t){const e=t.path.slice(0,-1);e[e.length-1]++;return new qh(t.root,e)}static fromJSON(t,e){const n=qh.fromJSON(t.splitPosition,e);const i=qh.fromJSON(t.insertionPosition,e);const o=t.graveyardPosition?qh.fromJSON(t.graveyardPosition,e):null;const s=new this(n,t.howMany,o,t.baseVersion);s.insertionPosition=i;return s}}class dg extends Fh{constructor(t,e,n=\"main\"){super(e);this._document=t;this.rootName=n}get document(){return this._document}is(t,e){if(!e){return t===\"rootElement\"||t===\"model:rootElement\"||t===\"element\"||t===\"model:element\"||t===this.name||t===\"model:\"+this.name||t===\"node\"||t===\"model:node\"}return e===this.name&&(t===\"rootElement\"||t===\"model:rootElement\"||t===\"element\"||t===\"model:element\")}toJSON(){return this.rootName}}class ug{constructor(t,e){this.model=t;this.batch=e}createText(t,e){return new Vh(t,e)}createElement(t,e){return new Fh(t,e)}createDocumentFragment(){return new Um}insert(t,e,n=0){this._assertWriterUsedCorrectly();if(t instanceof Vh&&t.data==\"\"){return}const i=qh._createAt(e,n);if(t.parent){if(pg(t.root,i.root)){this.move(Qh._createOn(t),i);return}else{if(t.root.document){throw new rr[\"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)}else{this.remove(t)}}}const o=i.root.document?i.root.document.version:null;const s=new og(i,t,o);if(t instanceof Vh){s.shouldReceiveAttributes=true}this.batch.addOperation(s);this.model.applyOperation(s);if(t instanceof Um){for(const[e,n]of t.markers){const t=qh._createAt(n.root,0);const o=new Qh(n.start._getCombined(t,i),n.end._getCombined(t,i));const s={range:o,usingOperation:true,affectsData:true};if(this.model.markers.has(e)){this.updateMarker(e,s)}else{this.addMarker(e,s)}}}}insertText(t,e,n,i){if(e instanceof Um||e instanceof Fh||e instanceof qh){this.insert(this.createText(t),e,n)}else{this.insert(this.createText(t,e),n,i)}}insertElement(t,e,n,i){if(e instanceof Um||e instanceof Fh||e instanceof qh){this.insert(this.createElement(t),e,n)}else{this.insert(this.createElement(t,e),n,i)}}append(t,e){this.insert(t,e,\"end\")}appendText(t,e,n){if(e instanceof Um||e instanceof Fh){this.insert(this.createText(t),e,\"end\")}else{this.insert(this.createText(t,e),n,\"end\")}}appendElement(t,e,n){if(e instanceof Um||e instanceof Fh){this.insert(this.createElement(t),e,\"end\")}else{this.insert(this.createElement(t,e),n,\"end\")}}setAttribute(t,e,n){this._assertWriterUsedCorrectly();if(n instanceof Qh){const i=n.getMinimalFlatRanges();for(const n of i){hg(this,t,e,n)}}else{fg(this,t,e,n)}}setAttributes(t,e){for(const[n,i]of Ur(t)){this.setAttribute(n,i,e)}}removeAttribute(t,e){this._assertWriterUsedCorrectly();if(e instanceof Qh){const n=e.getMinimalFlatRanges();for(const e of n){hg(this,t,null,e)}}else{fg(this,t,null,e)}}clearAttributes(t){this._assertWriterUsedCorrectly();const e=t=>{for(const e of t.getAttributeKeys()){this.removeAttribute(e,t)}};if(!(t instanceof Qh)){e(t)}else{for(const n of t.getItems()){e(n)}}}move(t,e,n){this._assertWriterUsedCorrectly();if(!(t instanceof Qh)){throw new rr[\"b\"](\"writer-move-invalid-range: Invalid range to move.\",this)}if(!t.isFlat){throw new rr[\"b\"](\"writer-move-range-not-flat: Range to move is not flat.\",this)}const i=qh._createAt(e,n);if(i.isEqual(t.start)){return}this._addOperationForAffectedMarkers(\"move\",t);if(!pg(t.root,i.root)){throw new rr[\"b\"](\"writer-move-different-document: Range is going to be moved between different documents.\",this)}const o=t.root.document?t.root.document.version:null;const s=new ig(t.start,t.end.offset-t.start.offset,i,o);this.batch.addOperation(s);this.model.applyOperation(s)}remove(t){this._assertWriterUsedCorrectly();const e=t instanceof Qh?t:Qh._createOn(t);const n=e.getMinimalFlatRanges().reverse();for(const t of n){this._addOperationForAffectedMarkers(\"move\",t);gg(t.start,t.end.offset-t.start.offset,this.batch,this.model)}}merge(t){this._assertWriterUsedCorrectly();const e=t.nodeBefore;const n=t.nodeAfter;this._addOperationForAffectedMarkers(\"merge\",t);if(!(e instanceof Fh)){throw new rr[\"b\"](\"writer-merge-no-element-before: Node before merge position must be an element.\",this)}if(!(n instanceof Fh)){throw new rr[\"b\"](\"writer-merge-no-element-after: Node after merge position must be an element.\",this)}if(!t.root.document){this._mergeDetached(t)}else{this._merge(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;const n=t.nodeAfter;this.move(Qh._createIn(n),qh._createAt(e,\"end\"));this.remove(n)}_merge(t){const e=qh._createAt(t.nodeBefore,\"end\");const n=qh._createAt(t.nodeAfter,0);const i=t.root.document.graveyard;const o=new qh(i,[0]);const s=t.root.document.version;const r=new cg(n,t.nodeAfter.maxOffset,e,o,s);this.batch.addOperation(r);this.model.applyOperation(r)}rename(t,e){this._assertWriterUsedCorrectly();if(!(t instanceof Fh)){throw new rr[\"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;const i=new rg(qh._createBefore(t),t.name,e,n);this.batch.addOperation(i);this.model.applyOperation(i)}split(t,e){this._assertWriterUsedCorrectly();let n=t.parent;if(!n.parent){throw new rr[\"b\"](\"writer-split-element-no-parent: Element with no parent can not be split.\",this)}if(!e){e=n.parent}if(!t.parent.getAncestors({includeSelf:true}).includes(e)){throw new rr[\"b\"](\"writer-split-invalid-limit-element: Limit element is not a position ancestor.\",this)}let i,o;do{const e=n.root.document?n.root.document.version:null;const s=n.maxOffset-t.offset;const r=new lg(t,s,null,e);this.batch.addOperation(r);this.model.applyOperation(r);if(!i&&!o){i=n;o=t.parent.nextSibling}t=this.createPositionAfter(t.parent);n=t.parent}while(n!==e);return{position:t,range:new Qh(qh._createAt(i,\"end\"),qh._createAt(o,0))}}wrap(t,e){this._assertWriterUsedCorrectly();if(!t.isFlat){throw new rr[\"b\"](\"writer-wrap-range-not-flat: Range to wrap is not flat.\",this)}const n=e instanceof Fh?e:new Fh(e);if(n.childCount>0){throw new rr[\"b\"](\"writer-wrap-element-not-empty: Element to wrap with is not empty.\",this)}if(n.parent!==null){throw new rr[\"b\"](\"writer-wrap-element-attached: Element to wrap with is already attached to tree model.\",this)}this.insert(n,t.start);const i=new Qh(t.start.getShiftedBy(1),t.end.getShiftedBy(1));this.move(i,qh._createAt(n,0))}unwrap(t){this._assertWriterUsedCorrectly();if(t.parent===null){throw new rr[\"b\"](\"writer-unwrap-element-no-parent: Trying to unwrap an element which has no parent.\",this)}this.move(Qh._createIn(t),this.createPositionAfter(t));this.remove(t)}addMarker(t,e){this._assertWriterUsedCorrectly();if(!e||typeof e.usingOperation!=\"boolean\"){throw new rr[\"b\"](\"writer-addMarker-no-usingOperation: The options.usingOperation parameter is required when adding a new marker.\",this)}const n=e.usingOperation;const i=e.range;const o=e.affectsData===undefined?false:e.affectsData;if(this.model.markers.has(t)){throw new rr[\"b\"](\"writer-addMarker-marker-exists: Marker with provided name already exists.\",this)}if(!i){throw new rr[\"b\"](\"writer-addMarker-no-range: Range parameter is required when adding a new marker.\",this)}if(!n){return this.model.markers._set(t,i,n,o)}mg(this,t,null,i,o);return this.model.markers.get(t)}updateMarker(t,e){this._assertWriterUsedCorrectly();const n=typeof t==\"string\"?t:t.name;const i=this.model.markers.get(n);if(!i){throw new rr[\"b\"](\"writer-updateMarker-marker-not-exists: Marker with provided name does not exists.\",this)}if(!e){this.model.markers._refresh(i);return}const o=typeof e.usingOperation==\"boolean\";const s=typeof e.affectsData==\"boolean\";const r=s?e.affectsData:i.affectsData;if(!o&&!e.range&&!s){throw new rr[\"b\"](\"writer-updateMarker-wrong-options: One of the options is required - provide range, usingOperations or affectsData.\",this)}const a=i.getRange();const c=e.range?e.range:a;if(o&&e.usingOperation!==i.managedUsingOperations){if(e.usingOperation){mg(this,n,null,c,r)}else{mg(this,n,a,null,r);this.model.markers._set(n,c,undefined,r)}return}if(i.managedUsingOperations){mg(this,n,a,c,r)}else{this.model.markers._set(n,c,undefined,r)}}removeMarker(t){this._assertWriterUsedCorrectly();const e=typeof t==\"string\"?t:t.name;if(!this.model.markers.has(e)){throw new rr[\"b\"](\"writer-removeMarker-no-marker: Trying to remove marker which does not exist.\",this)}const n=this.model.markers.get(e);if(!n.managedUsingOperations){this.model.markers._remove(e);return}const i=n.getRange();mg(this,e,i,null,n.affectsData)}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){this._assertWriterUsedCorrectly();if(typeof t===\"string\"){this._setSelectionAttribute(t,e)}else{for(const[e,n]of Ur(t)){this._setSelectionAttribute(e,n)}}}removeSelectionAttribute(t){this._assertWriterUsedCorrectly();if(typeof t===\"string\"){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 i=ff._getStoreAttributeKey(t);this.setAttribute(i,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=ff._getStoreAttributeKey(t);this.removeAttribute(n,e.anchor.parent)}e._removeAttribute(t)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this){throw new rr[\"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 i=n.getRange();let o=false;if(t===\"move\"){o=e.containsPosition(i.start)||e.start.isEqual(i.start)||e.containsPosition(i.end)||e.end.isEqual(i.end)}else{const t=e.nodeBefore;const n=e.nodeAfter;const s=i.start.parent==t&&i.start.isAtEnd;const r=i.end.parent==n&&i.end.offset==0;const a=i.end.nodeAfter==n;const c=i.start.nodeAfter==n;o=s||r||a||c}if(o){this.updateMarker(n.name,{range:i})}}}}function hg(t,e,n,i){const o=t.model;const s=o.document;let r=i.start;let a;let c;let l;for(const t of i.getWalker({shallow:true})){l=t.item.getAttribute(e);if(a&&c!=l){if(c!=n){d()}r=a}a=t.nextPosition;c=l}if(a instanceof qh&&a!=r&&c!=n){d()}function d(){const i=new Qh(r,a);const l=i.root.document?s.version:null;const d=new eg(i,e,c,n,l);t.batch.addOperation(d);o.applyOperation(d)}}function fg(t,e,n,i){const o=t.model;const s=o.document;const r=i.getAttribute(e);let a,c;if(r!=n){const l=i.root===i;if(l){const t=i.document?s.version:null;c=new ag(i,e,r,n,t)}else{a=new Qh(qh._createBefore(i),t.createPositionAfter(i));const o=a.root.document?s.version:null;c=new eg(a,e,r,n,o)}t.batch.addOperation(c);o.applyOperation(c)}}function mg(t,e,n,i,o){const s=t.model;const r=s.document;const a=new sg(e,n,i,s.markers,o,r.version);t.batch.addOperation(a);s.applyOperation(a)}function gg(t,e,n,i){let o;if(t.root.document){const n=i.document;const s=new qh(n.graveyard,[0]);o=new ig(t,e,s,n.version)}else{o=new ng(t,e)}n.addOperation(o);i.applyOperation(o)}function pg(t,e){if(t===e){return true}if(t instanceof dg&&e instanceof dg){return true}return false}class bg{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 this._changesInElement.size==0&&this._changedMarkers.size==0}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=Qh._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:true})){if(this._isInInsertedElement(e.parent)){continue}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);const n=this._isInInsertedElement(t.targetPosition.parent);if(!e){this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany)}if(!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=Qh._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;if(!this._isInInsertedElement(e)){this._markRemove(e,t.splitPosition.offset,t.howMany)}if(!this._isInInsertedElement(t.insertionPosition.parent)){this._markInsert(t.insertionPosition.parent,t.insertionPosition.offset,1)}if(t.graveyardPosition){this._markRemove(t.graveyardPosition.parent,t.graveyardPosition.offset,1)}break}case\"merge\":{const e=t.sourcePosition.parent;if(!this._isInInsertedElement(e.parent)){this._markRemove(e.parent,e.startOffset,1)}const n=t.graveyardPosition.parent;this._markInsert(n,t.graveyardPosition.offset,1);const i=t.targetPosition.parent;if(!this._isInInsertedElement(i)){this._markInsert(i,t.targetPosition.offset,e.maxOffset)}break}}this._cachedChanges=null}bufferMarkerChange(t,e,n,i){const o=this._changedMarkers.get(t);if(!o){this._changedMarkers.set(t,{oldRange:e,newRange:n,affectsData:i})}else{o.newRange=n;o.affectsData=i;if(o.oldRange==null&&o.newRange==null){this._changedMarkers.delete(t)}}}getMarkersToRemove(){const t=[];for(const[e,n]of this._changedMarkers){if(n.oldRange!=null){t.push({name:e,range:n.oldRange})}}return t}getMarkersToAdd(){const t=[];for(const[e,n]of this._changedMarkers){if(n.newRange!=null){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 true}}return this._changesInElement.size>0}getChanges(t={includeChangesInGraveyard:false}){if(this._cachedChanges){if(t.includeChangesInGraveyard){return this._cachedChangesWithGraveyard.slice()}else{return this._cachedChanges.slice()}}const e=[];for(const t of this._changesInElement.keys()){const n=this._changesInElement.get(t).sort((t,e)=>{if(t.offset===e.offset){if(t.type!=e.type){return t.type==\"remove\"?-1:1}return 0}return t.offset<e.offset?-1:1});const i=this._elementSnapshots.get(t);const o=wg(t.getChildren());const s=_g(i.length,n);let r=0;let a=0;for(const n of s){if(n===\"i\"){e.push(this._getInsertDiff(t,r,o[r].name));r++}else if(n===\"r\"){e.push(this._getRemoveDiff(t,r,i[a].name));a++}else if(n===\"a\"){const n=o[r].attributes;const s=i[a].attributes;let c;if(o[r].name==\"$text\"){c=new Qh(qh._createAt(t,r),qh._createAt(t,r+1))}else{const e=t.offsetToIndex(r);c=new Qh(qh._createAt(t,r),qh._createAt(t.getChild(e),0))}e.push(...this._getAttributesDiff(c,s,n));r++;a++}else{r++;a++}}}e.sort((t,e)=>{if(t.position.root!=e.position.root){return t.position.root.rootName<e.position.root.rootName?-1:1}if(t.position.isEqual(e.position)){return t.changeCount-e.changeCount}return t.position.isBefore(e.position)?-1:1});for(let t=1;t<e.length;t++){const n=e[t-1];const i=e[t];const o=n.type==\"remove\"&&i.type==\"remove\"&&n.name==\"$text\"&&i.name==\"$text\"&&n.position.isEqual(i.position);const s=n.type==\"insert\"&&i.type==\"insert\"&&n.name==\"$text\"&&i.name==\"$text\"&&n.position.parent==i.position.parent&&n.position.offset+n.length==i.position.offset;const r=n.type==\"attribute\"&&i.type==\"attribute\"&&n.position.parent==i.position.parent&&n.range.isFlat&&i.range.isFlat&&n.position.offset+n.length==i.position.offset&&n.attributeKey==i.attributeKey&&n.attributeOldValue==i.attributeOldValue&&n.attributeNewValue==i.attributeNewValue;if(o||s||r){e[t-1].length++;if(r){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;if(t.type==\"attribute\"){delete t.position;delete t.length}}this._changeCount=0;this._cachedChangesWithGraveyard=e.slice();this._cachedChanges=e.slice().filter(kg);if(t.includeChangesInGraveyard){return this._cachedChangesWithGraveyard}else{return this._cachedChanges}}reset(){this._changesInElement.clear();this._elementSnapshots.clear();this._changedMarkers.clear();this._cachedChanges=null}_markInsert(t,e,n){const i={type:\"insert\",offset:e,howMany:n,count:this._changeCount++};this._markChange(t,i)}_markRemove(t,e,n){const i={type:\"remove\",offset:e,howMany:n,count:this._changeCount++};this._markChange(t,i);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++){if(n[t].howMany<1){n.splice(t,1);t--}}}_getChangesForElement(t){let e;if(this._changesInElement.has(t)){e=this._changesInElement.get(t)}else{e=[];this._changesInElement.set(t,e)}return e}_makeSnapshot(t){if(!this._elementSnapshots.has(t)){this._elementSnapshots.set(t,wg(t.getChildren()))}}_handleChange(t,e){t.nodesToHandle=t.howMany;for(const n of e){const i=t.offset+t.howMany;const o=n.offset+n.howMany;if(t.type==\"insert\"){if(n.type==\"insert\"){if(t.offset<=n.offset){n.offset+=t.howMany}else if(t.offset<o){n.howMany+=t.nodesToHandle;t.nodesToHandle=0}}if(n.type==\"remove\"){if(t.offset<n.offset){n.offset+=t.howMany}}if(n.type==\"attribute\"){if(t.offset<=n.offset){n.offset+=t.howMany}else if(t.offset<o){const o=n.howMany;n.howMany=t.offset-n.offset;e.unshift({type:\"attribute\",offset:i,howMany:o-n.howMany,count:this._changeCount++})}}}if(t.type==\"remove\"){if(n.type==\"insert\"){if(i<=n.offset){n.offset-=t.howMany}else if(i<=o){if(t.offset<n.offset){const e=i-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<o){const e=o-t.offset;n.howMany-=e;t.nodesToHandle-=e}}}if(n.type==\"remove\"){if(i<=n.offset){n.offset-=t.howMany}else if(t.offset<n.offset){t.nodesToHandle+=n.howMany;n.howMany=0}}if(n.type==\"attribute\"){if(i<=n.offset){n.offset-=t.howMany}else if(t.offset<n.offset){const e=i-n.offset;n.offset=t.offset;n.howMany-=e}else if(t.offset<o){if(i<=o){const i=n.howMany;n.howMany=t.offset-n.offset;const o=i-n.howMany-t.nodesToHandle;e.unshift({type:\"attribute\",offset:t.offset,howMany:o,count:this._changeCount++})}else{n.howMany-=o-t.offset}}}}if(t.type==\"attribute\"){if(n.type==\"insert\"){if(t.offset<n.offset&&i>n.offset){if(i>o){const t={type:\"attribute\",offset:o,howMany:i-o,count:this._changeCount++};this._handleChange(t,e);e.push(t)}t.nodesToHandle=n.offset-t.offset;t.howMany=t.nodesToHandle}else if(t.offset>=n.offset&&t.offset<o){if(i>o){t.nodesToHandle=i-o;t.offset=o}else{t.nodesToHandle=0}}}if(n.type==\"remove\"){if(t.offset<n.offset&&i>n.offset){const o={type:\"attribute\",offset:n.offset,howMany:i-n.offset,count:this._changeCount++};this._handleChange(o,e);e.push(o);t.nodesToHandle=n.offset-t.offset;t.howMany=t.nodesToHandle}}if(n.type==\"attribute\"){if(t.offset>=n.offset&&i<=o){t.nodesToHandle=0;t.howMany=0;t.offset=0}else if(t.offset<=n.offset&&i>=o){n.howMany=0}}}}t.howMany=t.nodesToHandle;delete t.nodesToHandle}_getInsertDiff(t,e,n){return{type:\"insert\",position:qh._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getRemoveDiff(t,e,n){return{type:\"remove\",position:qh._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getAttributesDiff(t,e,n){const i=[];n=new Map(n);for(const[o,s]of e){const e=n.has(o)?n.get(o):null;if(e!==s){i.push({type:\"attribute\",position:t.start,range:t.clone(),length:1,attributeKey:o,attributeOldValue:s,attributeNewValue:e,changeCount:this._changeCount++})}n.delete(o)}for(const[e,o]of n){i.push({type:\"attribute\",position:t.start,range:t.clone(),length:1,attributeKey:e,attributeOldValue:null,attributeNewValue:o,changeCount:this._changeCount++})}return i}_isInInsertedElement(t){const e=t.parent;if(!e){return false}const n=this._changesInElement.get(e);const i=t.startOffset;if(n){for(const t of n){if(t.type==\"insert\"&&i>=t.offset&&i<t.offset+t.howMany){return true}}}return this._isInInsertedElement(e)}_removeAllNestedChanges(t,e,n){const i=new Qh(qh._createAt(t,e),qh._createAt(t,e+n));for(const t of i.getItems({shallow:true})){if(t.is(\"element\")){this._elementSnapshots.delete(t);this._changesInElement.delete(t);this._removeAllNestedChanges(t,0,t.maxOffset)}}}}function wg(t){const e=[];for(const n of t){if(n.is(\"text\")){for(let t=0;t<n.data.length;t++){e.push({name:\"$text\",attributes:new Map(n.getAttributes())})}}else{e.push({name:n.name,attributes:new Map(n.getAttributes())})}}return e}function _g(t,e){const n=[];let i=0;let o=0;for(const t of e){if(t.offset>i){for(let e=0;e<t.offset-i;e++){n.push(\"e\")}o+=t.offset-i}if(t.type==\"insert\"){for(let e=0;e<t.howMany;e++){n.push(\"i\")}i=t.offset+t.howMany}else if(t.type==\"remove\"){for(let e=0;e<t.howMany;e++){n.push(\"r\")}i=t.offset;o+=t.howMany}else{n.push(...\"a\".repeat(t.howMany).split(\"\"));i=t.offset+t.howMany;o+=t.howMany}}if(o<t){for(let e=0;e<t-o-i;e++){n.push(\"e\")}}return n}function kg(t){const e=t.position&&t.position.root.rootName==\"$graveyard\";const n=t.range&&t.range.root.rootName==\"$graveyard\";return!e&&!n}class vg{constructor(){this._operations=[];this._undoPairs=new Map;this._undoneOperations=new Set}addOperation(t){if(this._operations.includes(t)){return}this._operations.push(t)}getOperations(t=0,e=Number.POSITIVE_INFINITY){if(t<0){return[]}return this._operations.slice(t,e)}getOperation(t){return this._operations[t]}setOperationAsUndone(t,e){this._undoPairs.set(e,t);this._undoneOperations.add(t)}isUndoingOperation(t){return this._undoPairs.has(t)}isUndoneOperation(t){return this._undoneOperations.has(t)}getUndoneOperation(t){return this._undoPairs.get(t)}}function yg(t){return!!t&&t.length==1&&/[\\u0300-\\u036f\\u1ab0-\\u1aff\\u1dc0-\\u1dff\\u20d0-\\u20ff\\ufe20-\\ufe2f]/.test(t)}function xg(t){return!!t&&t.length==1&&/[\\ud800-\\udbff]/.test(t)}function Ag(t){return!!t&&t.length==1&&/[\\udc00-\\udfff]/.test(t)}function Tg(t,e){return xg(t.charAt(e-1))&&Ag(t.charAt(e))}function Cg(t,e){return yg(t.charAt(e))}const Pg=\"$graveyard\";class Sg{constructor(t){this.model=t;this.version=0;this.history=new vg(this);this.selection=new ff(this);this.roots=new xr({idProperty:\"rootName\"});this.differ=new bg(t.markers);this._postFixers=new Set;this._hasSelectionChangedFromTheLastChangeBlock=false;this.createRoot(\"$root\",Pg);this.listenTo(t,\"applyOperation\",(t,e)=>{const n=e[0];if(n.isDocumentOperation&&n.baseVersion!==this.version){throw new rr[\"b\"](\"model-document-applyOperation-wrong-version: Only operations with matching versions can be applied.\",this,{operation:n})}},{priority:\"highest\"});this.listenTo(t,\"applyOperation\",(t,e)=>{const n=e[0];if(n.isDocumentOperation){this.differ.bufferOperation(n)}},{priority:\"high\"});this.listenTo(t,\"applyOperation\",(t,e)=>{const n=e[0];if(n.isDocumentOperation){this.version++;this.history.addOperation(n)}},{priority:\"low\"});this.listenTo(this.selection,\"change\",()=>{this._hasSelectionChangedFromTheLastChangeBlock=true});this.listenTo(t.markers,\"update\",(t,e,n,i)=>{this.differ.bufferMarkerChange(e.name,n,i,e.affectsData);if(n===null){e.on(\"change\",(t,n)=>{this.differ.bufferMarkerChange(e.name,n,e.getRange(),e.affectsData)})}})}get graveyard(){return this.getRoot(Pg)}createRoot(t=\"$root\",e=\"main\"){if(this.roots.get(e)){throw new rr[\"b\"](\"model-document-createRoot-name-exists: Root with specified name already exists.\",this,{name:e})}const n=new dg(this,t,e);this.roots.add(n);return 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=>t!=Pg)}registerPostFixer(t){this._postFixers.add(t)}toJSON(){const t=Vr(this);t.selection=\"[engine.model.DocumentSelection]\";t.model=\"[engine.model.Model]\";return t}_handleChangeBlock(t){if(this._hasDocumentChangedFromTheLastChangeBlock()){this._callPostFixers(t);this.selection.refresh();if(this.differ.hasDataChanges()){this.fire(\"change:data\",t.batch)}else{this.fire(\"change\",t.batch)}this.selection.refresh();this.differ.reset()}this._hasSelectionChangedFromTheLastChangeBlock=false}_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();const e=this.model;const n=e.schema;const i=e.createPositionFromPath(t,[0]);const o=n.getNearestSelectionRange(i);return o||e.createRange(i)}_validateSelectionRange(t){return Eg(t.start)&&Eg(t.end)}_callPostFixers(t){let e=false;do{for(const n of this._postFixers){this.selection.refresh();e=n(t);if(e){break}}}while(e)}}yr(Sg,dr);function Eg(t){const e=t.textNode;if(e){const n=e.data;const i=t.offset-e.startOffset;return!Tg(n,i)&&!Cg(n,i)}return true}class Mg{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=false,i=false){const o=t instanceof Ig?t.name:t;const s=this._markers.get(o);if(s){const t=s.getRange();let r=false;if(!t.isEqual(e)){s._attachLiveRange(cf.fromRange(e));r=true}if(n!=s.managedUsingOperations){s._managedUsingOperations=n;r=true}if(typeof i===\"boolean\"&&i!=s.affectsData){s._affectsData=i;r=true}if(r){this.fire(\"update:\"+o,s,t,e)}return s}const r=cf.fromRange(e);const a=new Ig(o,r,n,i);this._markers.set(o,a);this.fire(\"update:\"+o,a,null,e);return a}_remove(t){const e=t instanceof Ig?t.name:t;const n=this._markers.get(e);if(n){this._markers.delete(e);this.fire(\"update:\"+e,n,n.getRange(),null);this._destroyMarker(n);return true}return false}_refresh(t){const e=t instanceof Ig?t.name:t;const n=this._markers.get(e);if(!n){throw new rr[\"b\"](\"markercollection-refresh-marker-not-exists: Marker with provided name does not exists.\",this)}const i=n.getRange();this.fire(\"update:\"+e,n,i,i,n.managedUsingOperations,n.affectsData)}*getMarkersAtPosition(t){for(const e of this){if(e.getRange().containsPosition(t)){yield e}}}*getMarkersIntersectingRange(t){for(const e of this){if(e.getRange().getIntersection(t)!==null){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()){if(e.name.startsWith(t+\":\")){yield e}}}_destroyMarker(t){t.stopListening();t._detachLiveRange()}}yr(Mg,dr);class Ig{constructor(t,e,n,i){this.name=t;this._liveRange=this._attachLiveRange(e);this._managedUsingOperations=n;this._affectsData=i}get managedUsingOperations(){if(!this._liveRange){throw new rr[\"b\"](\"marker-destroyed: Cannot use a destroyed marker instance.\",this)}return this._managedUsingOperations}get affectsData(){if(!this._liveRange){throw new rr[\"b\"](\"marker-destroyed: Cannot use a destroyed marker instance.\",this)}return this._affectsData}getStart(){if(!this._liveRange){throw new rr[\"b\"](\"marker-destroyed: Cannot use a destroyed marker instance.\",this)}return this._liveRange.start.clone()}getEnd(){if(!this._liveRange){throw new rr[\"b\"](\"marker-destroyed: Cannot use a destroyed marker instance.\",this)}return this._liveRange.end.clone()}getRange(){if(!this._liveRange){throw new rr[\"b\"](\"marker-destroyed: Cannot use a destroyed marker instance.\",this)}return this._liveRange.toRange()}is(t){return t===\"marker\"||t===\"model:marker\"}_attachLiveRange(t){if(this._liveRange){this._detachLiveRange()}t.delegate(\"change:range\").to(this);t.delegate(\"change:content\").to(this);this._liveRange=t;return t}_detachLiveRange(){this._liveRange.stopDelegating(\"change:range\",this);this._liveRange.stopDelegating(\"change:content\",this);this._liveRange.detach();this._liveRange=null}}yr(Ig,dr);class Ng extends Hm{get type(){return\"noop\"}clone(){return new Ng(this.baseVersion)}getReversed(){return new Ng(this.baseVersion+1)}_execute(){}static get className(){return\"NoOperation\"}}const Og={};Og[eg.className]=eg;Og[og.className]=og;Og[sg.className]=sg;Og[ig.className]=ig;Og[Ng.className]=Ng;Og[Hm.className]=Hm;Og[rg.className]=rg;Og[ag.className]=ag;Og[lg.className]=lg;Og[cg.className]=cg;class Rg{static fromJSON(t,e){return Og[t.__className].fromJSON(t,e)}}class Dg extends qh{constructor(t,e,n=\"toNone\"){super(t,e,n);if(!this.root.is(\"rootElement\")){throw new rr[\"b\"](\"model-liveposition-root-not-rootelement: LivePosition's root has to be an instance of RootElement.\",t)}Lg.call(this)}detach(){this.stopListening()}is(t){return t===\"livePosition\"||t===\"model:livePosition\"||t==\"position\"||t===\"model:position\"}toPosition(){return new qh(this.root,this.path.slice(),this.stickiness)}static fromPosition(t,e){return new this(t.root,t.path.slice(),e?e:t.stickiness)}}function Lg(){this.listenTo(this.root.document.model,\"applyOperation\",(t,e)=>{const n=e[0];if(!n.isDocumentOperation){return}zg.call(this,n)},{priority:\"low\"})}function zg(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)}}yr(Dg,dr);function Vg(t,e,n,i){return t.change(o=>{let s;if(!n){s=t.document.selection}else if(n instanceof ef||n instanceof ff){s=n}else{s=o.createSelection(n,i)}if(!s.isCollapsed){t.deleteContent(s,{doNotAutoparagraph:true})}const r=new jg(t,o,s.anchor);let a;if(e.is(\"documentFragment\")){a=e.getChildren()}else{a=[e]}r.handleNodes(a,{isFirst:true,isLast:true});const c=r.getSelectionRange();if(c){if(s instanceof ff){o.setSelection(c)}else{s.setTo(c)}}else{}const l=r.getAffectedRange()||t.createRange(s.anchor);r.destroy();return l})}class jg{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 i=t[n];this._handleNode(i,{isFirst:n===0&&e.isFirst,isLast:n===t.length-1&&e.isLast})}this.schema.removeDisallowedAttributes(this._filterAttributesOf,this.writer);this._filterAttributesOf=[]}getSelectionRange(){if(this.nodeToSelect){return Qh._createOn(this.nodeToSelect)}return this.model.schema.getNearestSelectionRange(this.position)}getAffectedRange(){if(!this._affectedStart){return null}return new Qh(this._affectedStart,this._affectedEnd)}destroy(){if(this._affectedStart){this._affectedStart.detach()}if(this._affectedEnd){this._affectedEnd.detach()}}_handleNode(t,e){if(this.schema.isObject(t)){this._handleObject(t,e);return}const n=this._checkAndSplitToAllowedPosition(t,e);if(!n){this._handleDisallowedNode(t,e);return}this._insert(t);this._mergeSiblingsOf(t,e)}_handleObject(t,e){if(this._checkAndSplitToAllowedPosition(t)){this._insert(t)}else{this._tryAutoparagraphing(t,e)}}_handleDisallowedNode(t,e){if(t.is(\"element\")){this.handleNodes(t.getChildren(),e)}else{this._tryAutoparagraphing(t,e)}}_insert(t){if(!this.schema.checkChild(this.position,t)){throw new rr[\"b\"](\"insertcontent-wrong-position: Given node cannot be inserted on the given position.\",this,{node:t,position:this.position})}const e=Dg.fromPosition(this.position,\"toNext\");this._setAffectedBoundaries(this.position);this.writer.insert(t,this.position);this.position=e.toPosition();e.detach();if(this.schema.isObject(t)&&!this.schema.checkChild(this.position,\"$text\")){this.nodeToSelect=t}else{this.nodeToSelect=null}this._filterAttributesOf.push(t)}_setAffectedBoundaries(t){if(!this._affectedStart){this._affectedStart=Dg.fromPosition(t,\"toPrevious\")}if(!this._affectedEnd||this._affectedEnd.isBefore(t)){if(this._affectedEnd){this._affectedEnd.detach()}this._affectedEnd=Dg.fromPosition(t,\"toNext\")}}_mergeSiblingsOf(t,e){if(!(t instanceof Fh)){return}const n=this._canMergeLeft(t,e);const i=this._canMergeRight(t,e);const o=Dg._createBefore(t);o.stickiness=\"toNext\";const s=Dg._createAfter(t);s.stickiness=\"toNext\";if(n){const t=Dg.fromPosition(this.position);t.stickiness=\"toNext\";if(this._affectedStart.isEqual(o)){this._affectedStart.detach();this._affectedStart=Dg._createAt(o.nodeBefore,\"end\",\"toPrevious\")}this.writer.merge(o);if(o.isEqual(this._affectedEnd)&&e.isLast){this._affectedEnd.detach();this._affectedEnd=Dg._createAt(o.nodeBefore,\"end\",\"toNext\")}this.position=t.toPosition();t.detach()}if(i){if(!this.position.isEqual(s)){throw new rr[\"b\"](\"insertcontent-invalid-insertion-position\",this)}this.position=qh._createAt(s.nodeBefore,\"end\");const t=Dg.fromPosition(this.position,\"toPrevious\");if(this._affectedEnd.isEqual(s)){this._affectedEnd.detach();this._affectedEnd=Dg._createAt(s.nodeBefore,\"end\",\"toNext\")}this.writer.merge(s);if(s.getShiftedBy(-1).isEqual(this._affectedStart)&&e.isFirst){this._affectedStart.detach();this._affectedStart=Dg._createAt(s.nodeBefore,0,\"toPrevious\")}this.position=t.toPosition();t.detach()}if(n||i){this._filterAttributesOf.push(this.position.parent)}o.detach();s.detach()}_canMergeLeft(t,e){const n=t.previousSibling;return e.isFirst&&n instanceof Fh&&this.canMergeWith.has(n)&&this.model.schema.checkMerge(n,t)}_canMergeRight(t,e){const n=t.nextSibling;return e.isLast&&n instanceof Fh&&this.canMergeWith.has(n)&&this.model.schema.checkMerge(t,n)}_tryAutoparagraphing(t,e){const n=this.writer.createElement(\"paragraph\");if(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 false}while(e!=this.position.parent){if(this.schema.isLimit(this.position.parent)){return false}if(this.position.isAtStart){const t=this.position.parent;this.position=this.writer.createPositionBefore(t);if(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 true}_getAllowedIn(t,e){if(this.schema.checkChild(e,t)){return e}if(e.parent){return this._getAllowedIn(t,e.parent)}return null}}function Bg(t,e,n={}){if(e.isCollapsed){return}const i=e.getFirstRange();if(i.root.rootName==\"$graveyard\"){return}const o=t.schema;t.change(t=>{if(!n.doNotResetEntireContent&&$g(o,e)){qg(t,e,o);return}const s=i.start;const r=Dg.fromPosition(i.end,\"toNext\");if(!i.start.isTouching(i.end)){t.remove(i)}if(!n.leaveUnmerged){Fg(t,s,r);o.removeDisallowedAttributes(s.parent.getChildren(),t)}Yg(t,e,s);if(!n.doNotAutoparagraph&&Hg(o,s)){Wg(t,s,e)}r.detach()})}function Fg(t,e,n){const i=e.parent;const o=n.parent;if(i==o){return}if(t.model.schema.isLimit(i)||t.model.schema.isLimit(o)){return}if(!Ug(e,n,t.model.schema)){return}e=t.createPositionAfter(i);n=t.createPositionBefore(o);if(!n.isEqual(e)){t.insert(o,e)}t.merge(e);while(n.parent.isEmpty){const e=n.parent;n=t.createPositionBefore(e);t.remove(e)}Fg(t,e,n)}function Hg(t,e){const n=t.checkChild(e,\"$text\");const i=t.checkChild(e,\"paragraph\");return!n&&i}function Ug(t,e,n){const i=new Qh(t,e);for(const t of i.getWalker()){if(n.isLimit(t.item)){return false}}return true}function Wg(t,e,n){const i=t.createElement(\"paragraph\");t.insert(i,e);Yg(t,n,t.createPositionAt(i,0))}function qg(t,e){const n=t.model.schema.getLimitElement(e);t.remove(t.createRangeIn(n));Wg(t,t.createPositionAt(n,0),e)}function $g(t,e){const n=t.getLimitElement(e);if(!e.containsEntireContent(n)){return false}const i=e.getFirstRange();if(i.start.parent==i.end.parent){return false}return t.checkChild(n,\"paragraph\")}function Yg(t,e,n){if(e instanceof ff){t.setSelection(n)}else{e.setTo(n)}}const Gg=' ,.?!:;\"-()';function Qg(t,e,n={}){const i=t.schema;const o=n.direction!=\"backward\";const s=n.unit?n.unit:\"character\";const r=e.focus;const a=new Uh({boundaries:Xg(r,o),singleCharacters:true,direction:o?\"forward\":\"backward\"});const c={walker:a,schema:i,isForward:o,unit:s};let l;while(l=a.next()){if(l.done){return}const n=Kg(c,l.value);if(n){if(e instanceof ff){t.change(t=>{t.setSelectionFocus(n)})}else{e.setFocus(n)}return}}}function Kg(t,e){if(e.type==\"text\"){if(t.unit===\"word\"){return Zg(t.walker,t.isForward)}return Jg(t.walker,t.unit,t.isForward)}if(e.type==(t.isForward?\"elementStart\":\"elementEnd\")){if(t.schema.isObject(e.item)){return qh._createAt(e.item,t.isForward?\"after\":\"before\")}if(t.schema.checkChild(e.nextPosition,\"$text\")){return e.nextPosition}}else{if(t.schema.isLimit(e.item)){t.walker.skip(()=>true);return}if(t.schema.checkChild(e.nextPosition,\"$text\")){return e.nextPosition}}}function Jg(t,e){const n=t.position.textNode;if(n){const i=n.data;let o=t.position.offset-n.startOffset;while(Tg(i,o)||e==\"character\"&&Cg(i,o)){t.next();o=t.position.offset-n.startOffset}}return t.position}function Zg(t,e){let n=t.position.textNode;if(n){let i=t.position.offset-n.startOffset;while(!tp(n.data,i,e)&&!ep(n,i,e)){t.next();const o=e?t.position.nodeAfter:t.position.nodeBefore;if(o&&o.is(\"text\")){const i=o.data.charAt(e?0:o.data.length-1);if(!Gg.includes(i)){t.next();n=t.position.textNode}}i=t.position.offset-n.startOffset}}return t.position}function Xg(t,e){const n=t.root;const i=qh._createAt(n,e?\"end\":0);if(e){return new Qh(t,i)}else{return new Qh(i,t)}}function tp(t,e,n){const i=e+(n?0:-1);return Gg.includes(t.charAt(i))}function ep(t,e,n){return e===(n?t.endOffset:0)}function np(t,e){return t.change(t=>{const n=t.createDocumentFragment();const i=e.getFirstRange();if(!i||i.isCollapsed){return n}const o=i.start.root;const s=i.start.getCommonPath(i.end);const r=o.getNodeByPath(s);let a;if(i.start.parent==i.end.parent){a=i}else{a=t.createRange(t.createPositionAt(r,i.start.path[s.length]),t.createPositionAt(r,i.end.path[s.length]+1))}const c=a.end.offset-a.start.offset;for(const e of a.getItems({shallow:true})){if(e.is(\"textProxy\")){t.appendText(e.data,e.getAttributes(),n)}else{t.append(e._clone(true),n)}}if(a!=i){const e=i._getTransformedByMove(a.start,t.createPositionAt(n,0),c)[0];const o=t.createRange(t.createPositionAt(n,0),e.start);const s=t.createRange(e.end,t.createPositionAt(n,\"end\"));ip(s,t);ip(o,t)}return n})}function ip(t,e){const n=[];Array.from(t.getItems({direction:\"backward\"})).map(t=>e.createRangeOn(t)).filter(e=>{const n=(e.start.isAfter(t.start)||e.start.isEqual(t.start))&&(e.end.isBefore(t.end)||e.end.isEqual(t.end));return n}).forEach(t=>{n.push(t.start.parent);e.remove(t)});n.forEach(t=>{let n=t;while(n.parent&&n.isEmpty){const t=e.createRangeOn(n);n=n.parent;e.remove(t)}})}function op(t){t.document.registerPostFixer(e=>sp(e,t))}function sp(t,e){const n=e.document.selection;const i=e.schema;const o=[];let s=false;for(const t of n.getRanges()){const e=rp(t,i);if(e){o.push(e);s=true}else{o.push(t)}}if(s){t.setSelection(up(o),{backward:n.isBackward})}}function rp(t,e){if(t.isCollapsed){return ap(t,e)}return cp(t,e)}function ap(t,e){const n=t.start;const i=e.getNearestSelectionRange(n);if(!i){return null}if(!i.isCollapsed){return i}const o=i.start;if(n.isEqual(o)){return null}return new Qh(o)}function cp(t,e){const n=t.start;const i=t.end;const o=e.checkChild(n,\"$text\");const s=e.checkChild(i,\"$text\");const r=e.getLimitElement(n);const a=e.getLimitElement(i);if(r===a){if(o&&s){return null}if(dp(n,i,e)){const t=n.nodeAfter&&e.isObject(n.nodeAfter);const o=t?null:e.getNearestSelectionRange(n,\"forward\");const s=i.nodeBefore&&e.isObject(i.nodeBefore);const r=s?null:e.getNearestSelectionRange(i,\"backward\");const a=o?o.start:n;const c=r?r.start:i;return new Qh(a,c)}}const c=r&&!r.is(\"rootElement\");const l=a&&!a.is(\"rootElement\");if(c||l){const t=n.nodeAfter&&i.nodeBefore&&n.nodeAfter.parent===i.nodeBefore.parent;const o=c&&(!t||!hp(n.nodeAfter,e));const s=l&&(!t||!hp(i.nodeBefore,e));let d=n;let u=i;if(o){d=qh._createBefore(lp(r,e))}if(s){u=qh._createAfter(lp(a,e))}return new Qh(d,u)}return null}function lp(t,e){let n=t;let i=n;while(e.isLimit(i)&&i.parent){n=i;i=i.parent}return n}function dp(t,e,n){const i=t.nodeAfter&&!n.isLimit(t.nodeAfter)||n.checkChild(t,\"$text\");const o=e.nodeBefore&&!n.isLimit(e.nodeBefore)||n.checkChild(e,\"$text\");return i||o}function up(t){const e=[];e.push(t.shift());for(const n of t){const t=e.pop();if(n.isIntersecting(t)){const i=t.start.isAfter(n.start)?n.start:t.start;const o=t.end.isAfter(n.end)?t.end:n.end;const s=new Qh(i,o);e.push(s)}else{e.push(t);e.push(n)}}return e}function hp(t,e){return t&&e.isObject(t)}class fp{constructor(){this.markers=new Mg;this.document=new Sg(this);this.schema=new gm;this._pendingChanges=[];this._currentWriter=null;[\"insertContent\",\"deleteContent\",\"modifySelection\",\"getSelectedContent\",\"applyOperation\"].forEach(t=>this.decorate(t));this.on(\"applyOperation\",(t,e)=>{const n=e[0];n._validate()},{priority:\"highest\"});this.schema.register(\"$root\",{isLimit:true});this.schema.register(\"$block\",{allowIn:\"$root\",isBlock:true});this.schema.register(\"$text\",{allowIn:\"$block\",isInline:true});this.schema.register(\"$clipboardHolder\",{allowContentOf:\"$root\",isLimit:true});this.schema.extend(\"$text\",{allowIn:\"$clipboardHolder\"});this.schema.register(\"$marker\");this.schema.addChildCheck((t,e)=>{if(e.name===\"$marker\"){return true}});op(this)}change(t){try{if(this._pendingChanges.length===0){this._pendingChanges.push({batch:new Fm,callback:t});return this._runPendingChanges()[0]}else{return t(this._currentWriter)}}catch(t){rr[\"b\"].rethrowUnexpectedError(t,this)}}enqueueChange(t,e){try{if(typeof t===\"string\"){t=new Fm(t)}else if(typeof t==\"function\"){e=t;t=new Fm}this._pendingChanges.push({batch:t,callback:e});if(this._pendingChanges.length==1){this._runPendingChanges()}}catch(t){rr[\"b\"].rethrowUnexpectedError(t,this)}}applyOperation(t){t._execute()}insertContent(t,e,n){return Vg(this,t,e,n)}deleteContent(t,e){Bg(this,t,e)}modifySelection(t,e){Qg(this,t,e)}getSelectedContent(t){return np(this,t)}hasContent(t,e){const n=t instanceof Fh?Qh._createIn(t):t;if(n.isCollapsed){return false}for(const t of this.markers.getMarkersIntersectingRange(n)){if(t.affectsData){return true}}const{ignoreWhitespaces:i=false}=e||{};for(const t of n.getItems()){if(t.is(\"textProxy\")){if(!i){return true}else if(t.data.search(/\\S/)!==-1){return true}}else if(this.schema.isObject(t)){return true}}return false}createPositionFromPath(t,e,n){return new qh(t,e,n)}createPositionAt(t,e){return qh._createAt(t,e)}createPositionAfter(t){return qh._createAfter(t)}createPositionBefore(t){return qh._createBefore(t)}createRange(t,e){return new Qh(t,e)}createRangeIn(t){return Qh._createIn(t)}createRangeOn(t){return Qh._createOn(t)}createSelection(t,e,n){return new ef(t,e,n)}createBatch(t){return new Fm(t)}createOperationFromJSON(t){return Rg.fromJSON(t,this.document)}destroy(){this.document.destroy();this.stopListening()}_runPendingChanges(){const t=[];this.fire(\"_beforeChanges\");while(this._pendingChanges.length){const e=this._pendingChanges[0].batch;this._currentWriter=new ug(this,e);const n=this._pendingChanges[0].callback(this._currentWriter);t.push(n);this.document._handleChangeBlock(this._currentWriter);this._pendingChanges.shift();this._currentWriter=null}this.fire(\"_afterChanges\");return t}}yr(fp,Kc);class mp{constructor(){this._listener=Object.create(Wd)}listenTo(t){this._listener.listenTo(t,\"keydown\",(t,e)=>{this._listener.fire(\"_keydown:\"+Dl(e),e)})}set(t,e,n={}){const i=Ll(t);const o=n.priority;this._listener.listenTo(this._listener,\"_keydown:\"+i,(t,n)=>{e(n,()=>{n.preventDefault();n.stopPropagation();t.stop()});t.return=true},{priority:o})}press(t){return!!this._listener.fire(\"_keydown:\"+Dl(t),t)}destroy(){this._listener.stopListening()}}class gp extends mp{constructor(t){super();this.editor=t}set(t,e,n={}){if(typeof e==\"string\"){const t=e;e=(e,n)=>{this.editor.execute(t);n()}}super.set(t,e,n)}}class pp{constructor(t={}){this._context=t.context||new Rr({language:t.language});this._context._addEditor(this,!t.context);const e=Array.from(this.constructor.builtinPlugins||[]);this.config=new Qs(t,this.constructor.defaultConfig);this.config.define(\"plugins\",e);this.config.define(this._context._getEditorConfig());this.plugins=new Ar(this,e,this._context.plugins);this.locale=this._context.locale;this.t=this.locale.t;this.commands=new hm;this.set(\"state\",\"initializing\");this.once(\"ready\",()=>this.state=\"ready\",{priority:\"high\"});this.once(\"destroy\",()=>this.state=\"destroyed\",{priority:\"high\"});this.set(\"isReadOnly\",false);this.model=new fp;const n=new Rc;this.data=new Lm(this.model,n);this.editing=new um(this.model,n);this.editing.view.document.bind(\"isReadOnly\").to(this);this.conversion=new Vm([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 gp(this);this.keystrokes.listenTo(this.editing.view.document)}initPlugins(){const t=this.config;const e=t.get(\"plugins\");const n=t.get(\"removePlugins\")||[];const i=t.get(\"extraPlugins\")||[];return this.plugins.init(e.concat(i),n)}destroy(){let t=Promise.resolve();if(this.state==\"initializing\"){t=new Promise(t=>this.once(\"ready\",t))}return 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){rr[\"b\"].rethrowUnexpectedError(t,this)}}}yr(pp,Kc);const bp={setData(t){this.data.set(t)},getData(t){return this.data.get(t)}};var wp=bp;function _p(t,e){if(t instanceof HTMLTextAreaElement){t.value=e}t.innerHTML=e}const kp={updateSourceElement(){if(!this.sourceElement){throw new rr[\"b\"](\"editor-missing-sourceelement: Cannot update the source element of a detached editor.\",this)}_p(this.sourceElement,this.data.get())}};var vp=kp;function yp(t){if(!mt(t.updateSourceElement)){throw new rr[\"b\"](\"attachtoform-missing-elementapi-interface: Editor passed to attachToForm() must implement ElementApi.\",t)}const e=t.sourceElement;if(e&&e.tagName.toLowerCase()===\"textarea\"&&e.form){let n;const i=e.form;const o=()=>t.updateSourceElement();if(mt(i.submit)){n=i.submit;i.submit=()=>{o();n.apply(i)}}i.addEventListener(\"submit\",o);t.on(\"destroy\",()=>{i.removeEventListener(\"submit\",o);if(n){i.submit=n}})}}class xp{getHtml(t){const e=document.implementation.createHTMLDocument(\"\");const n=e.createElement(\"div\");n.appendChild(t);return n.innerHTML}}class Ap{constructor(t){this._domParser=new DOMParser;this._domConverter=new zd(t,{blockFillerMode:\"nbsp\"});this._htmlWriter=new xp}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\");const n=e.createDocumentFragment();const i=e.body.childNodes;while(i.length>0){n.appendChild(i[0])}return n}}class Tp{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 rr[\"b\"](\"componentfactory-item-exists: The item already exists in the component factory.\",this,{name:t})}this._components.set(Cp(t),{callback:e,originalName:t})}create(t){if(!this.has(t)){throw new rr[\"b\"](\"componentfactory-item-missing: The required component is not registered in the factory.\",this,{name:t})}return this._components.get(Cp(t)).callback(this.editor.locale)}has(t){return this._components.has(Cp(t))}}function Cp(t){return String(t).toLowerCase()}class Pp{constructor(){this.set(\"isFocused\",false);this.set(\"focusedElement\",null);this._elements=new Set;this._nextEventLoopTimeout=null}add(t){if(this._elements.has(t)){throw new rr[\"b\"](\"focusTracker-add-element-already-exist\",this)}this.listenTo(t,\"focus\",()=>this._focus(t),{useCapture:true});this.listenTo(t,\"blur\",()=>this._blur(),{useCapture:true});this._elements.add(t)}remove(t){if(t===this.focusedElement){this._blur(t)}if(this._elements.has(t)){this.stopListening(t);this._elements.delete(t)}}destroy(){this.stopListening()}_focus(t){clearTimeout(this._nextEventLoopTimeout);this.focusedElement=t;this.isFocused=true}_blur(){clearTimeout(this._nextEventLoopTimeout);this._nextEventLoopTimeout=setTimeout(()=>{this.focusedElement=null;this.isFocused=false},0)}}yr(Pp,Wd);yr(Pp,Kc);class Sp{constructor(t){this.editor=t;this.componentFactory=new Tp(t);this.focusTracker=new Pp;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);if(!e.ckeditorInstance){e.ckeditorInstance=this.editor}}getEditableElement(t=\"main\"){return this._editableElementsMap.get(t)}getEditableElementsNames(){return this._editableElementsMap.keys()}get _editableElements(){console.warn(\"editor-ui-deprecated-editable-elements: \"+\"The EditorUI#_editableElements property has been deprecated and will be removed in the near future.\",{editorUI:this});return this._editableElementsMap}}yr(Sp,dr);function Ep({origin:t,originKeystrokeHandler:e,originFocusTracker:n,toolbar:i,beforeFocus:o,afterBlur:s}){n.add(i.element);e.set(\"Alt+F10\",(t,e)=>{if(n.isFocused&&!i.focusTracker.isFocused){if(o){o()}i.focus();e()}});i.keystrokes.set(\"Esc\",(e,n)=>{if(i.focusTracker.isFocused){t.focus();if(s){s()}n()}})}function Mp(t){if(Array.isArray(t)){return{items:t}}if(!t){return{items:[]}}return Object.assign({items:[]},t)}var Ip=n(13);const Np=new WeakMap;function Op(t){const{view:e,element:n,text:i,isDirectHost:o=true}=t;const s=e.document;if(!Np.has(s)){Np.set(s,new Map);s.registerPostFixer(t=>Vp(s,t))}Np.get(s).set(n,{text:i,isDirectHost:o});e.change(t=>Vp(s,t))}function Rp(t,e){const n=e.document;t.change(t=>{if(!Np.has(n)){return}const i=Np.get(n);const o=i.get(e);t.removeAttribute(\"data-placeholder\",o.hostElement);Lp(t,o.hostElement);i.delete(e)})}function Dp(t,e){if(!e.hasClass(\"ck-placeholder\")){t.addClass(\"ck-placeholder\",e);return true}return false}function Lp(t,e){if(e.hasClass(\"ck-placeholder\")){t.removeClass(\"ck-placeholder\",e);return true}return false}function zp(t){if(!t.isAttached()){return false}const e=!Array.from(t.getChildren()).some(t=>!t.is(\"uiElement\"));const n=t.document;if(!n.isFocused&&e){return true}const i=n.selection;const o=i.anchor;if(e&&o&&o.parent!==t){return true}return false}function Vp(t,e){const n=Np.get(t);let i=false;for(const[t,o]of n){if(jp(e,t,o)){i=true}}return i}function jp(t,e,n){const{text:i,isDirectHost:o}=n;const s=o?e:Bp(e);let r=false;if(!s){return false}n.hostElement=s;if(s.getAttribute(\"data-placeholder\")!==i){t.setAttribute(\"data-placeholder\",i,s);r=true}if(zp(s)){if(Dp(t,s)){r=true}}else if(Lp(t,s)){r=true}return r}function Bp(t){if(t.childCount===1){const e=t.getChild(0);if(e.is(\"element\")&&!e.is(\"uiElement\")){return e}}return null}class Fp{constructor(){this._replacedElements=[]}replace(t,e){this._replacedElements.push({element:t,newElement:e});t.style.display=\"none\";if(e){t.parentNode.insertBefore(e,t.nextSibling)}}restore(){this._replacedElements.forEach(({element:t,newElement:e})=>{t.style.display=\"\";if(e){e.remove()}});this._replacedElements=[]}}class Hp extends Sp{constructor(t,e){super(t);this.view=e;this._toolbarConfig=Mp(t.config.get(\"toolbar\"));this._elementReplacer=new Fp}get element(){return this.view.element}init(t){const e=this.editor;const n=this.view;const i=e.editing.view;const o=n.editable;const s=i.document.getRoot();o.name=s.rootName;n.render();const r=o.element;this.setEditableElement(o.name,r);this.focusTracker.add(r);n.editable.bind(\"isFocused\").to(this.focusTracker);i.attachDomRoot(r);if(t){this._elementReplacer.replace(t,this.element)}this._initPlaceholder();this._initToolbar();this.fire(\"ready\")}destroy(){const t=this.view;const e=this.editor.editing.view;this._elementReplacer.restore();e.detachDomRoot(t.editable.name);t.destroy();super.destroy()}_initToolbar(){const t=this.editor;const e=this.view;const n=t.editing.view;e.stickyPanel.bind(\"isActive\").to(this.focusTracker,\"isFocused\");e.stickyPanel.limiterElement=e.element;if(this._toolbarConfig.viewportTopOffset){e.stickyPanel.viewportTopOffset=this._toolbarConfig.viewportTopOffset}e.toolbar.fillFromConfig(this._toolbarConfig.items,this.componentFactory);Ep({origin:n,originFocusTracker:this.focusTracker,originKeystrokeHandler:t.keystrokes,toolbar:e.toolbar})}_initPlaceholder(){const t=this.editor;const e=t.editing.view;const n=e.document.getRoot();const i=t.sourceElement;const o=t.config.get(\"placeholder\")||i&&i.tagName.toLowerCase()===\"textarea\"&&i.getAttribute(\"placeholder\");if(o){Op({view:e,element:n,text:o,isDirectHost:false})}}}class Up extends xr{constructor(t=[]){super(t,{idProperty:\"viewUid\"});this.on(\"add\",(t,e,n)=>{this._renderViewIntoCollectionParent(e,n)});this.on(\"remove\",(t,e)=>{if(e.element&&this._parentElement){e.element.remove()}});this._parentElement=null}destroy(){this.map(t=>t.destroy())}setParent(t){this._parentElement=t;for(const t of this){this._renderViewIntoCollectionParent(t)}}delegate(...t){if(!t.length||!Wp(t)){throw new rr[\"b\"](\"ui-viewcollection-delegate-wrong-events: All event names must be strings.\",this)}return{to:e=>{for(const n of this){for(const i of t){n.delegate(i).to(e)}}this.on(\"add\",(n,i)=>{for(const n of t){i.delegate(n).to(e)}});this.on(\"remove\",(n,i)=>{for(const n of t){i.stopDelegating(n,e)}})}}}_renderViewIntoCollectionParent(t,e){if(!t.isRendered){t.render()}if(t.element&&this._parentElement){this._parentElement.insertBefore(t.element,this._parentElement.children[e])}}}function Wp(t){return t.every(t=>typeof t==\"string\")}const qp=\"http://www.w3.org/1999/xhtml\";class $p{constructor(t){Object.assign(this,ib(nb(t)));this._isRendered=false;this._revertData=null}render(){const t=this._renderNode({intoFragment:true});this._isRendered=true;return t}apply(t){this._revertData=pb();this._renderNode({node:t,isApplying:true,revertData:this._revertData});return t}revert(t){if(!this._revertData){throw new rr[\"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(){function*t(e){if(e.children){for(const n of e.children){if(fb(n)){yield n}else if(mb(n)){yield*t(n)}}}}yield*t(this)}static bind(t,e){return{to(n,i){return new Gp({eventNameOrFunction:n,attribute:n,observable:t,emitter:e,callback:i})},if(n,i,o){return new Qp({observable:t,emitter:e,attribute:n,valueIfTrue:i,callback:o})}}}static extend(t,e){if(t._isRendered){throw new rr[\"b\"](\"template-extend-render: Attempting to extend a template which has already been rendered.\",[this,t])}ub(t,ib(nb(e)))}_renderNode(t){let e;if(t.node){e=this.tag&&this.text}else{e=this.tag?this.text:!this.text}if(e){throw new rr[\"b\"]('ui-template-wrong-syntax: Node definition must have either \"tag\" or \"text\" when rendering a new Node.',this)}if(this.text){return this._renderText(t)}else{return this._renderElement(t)}}_renderElement(t){let e=t.node;if(!e){e=t.node=document.createElementNS(this.ns||qp,this.tag)}this._renderAttributes(t);this._renderElementChildren(t);this._setUpListeners(t);return e}_renderText(t){let e=t.node;if(e){t.revertData.text=e.textContent}else{e=t.node=document.createTextNode(\"\")}if(Kp(this.text)){this._bindToObservable({schema:this.text,updater:Xp(e),data:t})}else{e.textContent=this.text.join(\"\")}return e}_renderAttributes(t){let e,n,i,o;if(!this.attributes){return}const s=t.node;const r=t.revertData;for(e in this.attributes){i=s.getAttribute(e);n=this.attributes[e];if(r){r.attributes[e]=i}o=ct(n[0])&&n[0].ns?n[0].ns:null;if(Kp(n)){const a=o?n[0].value:n;if(r&&bb(e)){a.unshift(i)}this._bindToObservable({schema:a,updater:tb(s,e,o),data:t})}else if(e==\"style\"&&typeof n[0]!==\"string\"){this._renderStyleAttribute(n[0],t)}else{if(r&&i&&bb(e)){n.unshift(i)}n=n.map(t=>t?t.value||t:t).reduce((t,e)=>t.concat(e),[]).reduce(lb,\"\");if(!hb(n)){s.setAttributeNS(o,e,n)}}}}_renderStyleAttribute(t,e){const n=e.node;for(const i in t){const o=t[i];if(Kp(o)){this._bindToObservable({schema:[o],updater:eb(n,i),data:e})}else{n.style[i]=o}}}_renderElementChildren(t){const e=t.node;const n=t.intoFragment?document.createDocumentFragment():e;const i=t.isApplying;let o=0;for(const s of this.children){if(gb(s)){if(!i){s.setParent(e);for(const t of s){n.appendChild(t.element)}}}else if(fb(s)){if(!i){if(!s.isRendered){s.render()}n.appendChild(s.element)}}else if(xd(s)){n.appendChild(s)}else{if(i){const e=t.revertData;const i=pb();e.children.push(i);s._renderNode({node:n.childNodes[o++],isApplying:true,revertData:i})}else{n.appendChild(s.render())}}}if(t.intoFragment){e.appendChild(n)}}_setUpListeners(t){if(!this.eventListeners){return}for(const e in this.eventListeners){const n=this.eventListeners[e].map(n=>{const[i,o]=e.split(\"@\");return n.activateDomEventListener(i,o,t)});if(t.revertData){t.revertData.bindings.push(n)}}}_bindToObservable({schema:t,updater:e,data:n}){const i=n.revertData;Zp(t,e,n);const o=t.filter(t=>!hb(t)).filter(t=>t.observable).map(i=>i.activateAttributeListener(t,e,n));if(i){i.bindings.push(o)}}_revertTemplateFromNode(t,e){for(const t of e.bindings){for(const e of t){e()}}if(e.text){t.textContent=e.text;return}for(const n in e.attributes){const i=e.attributes[n];if(i===null){t.removeAttribute(n)}else{t.setAttribute(n,i)}}for(let n=0;n<e.children.length;++n){this._revertTemplateFromNode(t.childNodes[n],e.children[n])}}}yr($p,dr);class Yp{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 i=()=>Zp(t,e,n);this.emitter.listenTo(this.observable,\"change:\"+this.attribute,i);return()=>{this.emitter.stopListening(this.observable,\"change:\"+this.attribute,i)}}}class Gp extends Yp{activateDomEventListener(t,e,n){const i=(t,n)=>{if(!e||n.target.matches(e)){if(typeof this.eventNameOrFunction==\"function\"){this.eventNameOrFunction(n)}else{this.observable.fire(this.eventNameOrFunction,n)}}};this.emitter.listenTo(n.node,t,i);return()=>{this.emitter.stopListening(n.node,t,i)}}}class Qp extends Yp{getValue(t){const e=super.getValue(t);return hb(e)?false:this.valueIfTrue||true}}function Kp(t){if(!t){return false}if(t.value){t=t.value}if(Array.isArray(t)){return t.some(Kp)}else if(t instanceof Yp){return true}return false}function Jp(t,e){return t.map(t=>{if(t instanceof Yp){return t.getValue(e)}return 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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\");const e=t.querySelector(\"svg\");const n=e.getAttribute(\"viewBox\");if(n){this.viewBox=n}this.element.innerHTML=\"\";while(e.childNodes.length>0){this.element.appendChild(e.childNodes[0])}}}_colorFillPaths(){if(this.fillColor){this.element.querySelectorAll(\".ck-icon__fill\").forEach(t=>{t.style.fill=this.fillColor})}}}var nw=n(27);class iw extends _b{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\")}]}]})}}var ow=n(29);class sw extends _b{constructor(t){super(t);const e=this.bindTemplate;const n=nr();this.set(\"class\");this.set(\"labelStyle\");this.set(\"icon\");this.set(\"isEnabled\",true);this.set(\"isOn\",false);this.set(\"isVisible\",true);this.set(\"isToggleable\",false);this.set(\"keystroke\");this.set(\"label\");this.set(\"tabindex\",-1);this.set(\"tooltip\");this.set(\"tooltipPosition\",\"s\");this.set(\"type\",\"button\");this.set(\"withText\",false);this.set(\"withKeystroke\",false);this.children=this.createCollection();this.tooltipView=this._createTooltipView();this.labelView=this._createLabelView(n);this.iconView=new ew;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?t:\"button\"),tabindex:e.to(\"tabindex\"),\"aria-labelledby\":`ck-editor__aria-label_${n}`,\"aria-disabled\":e.if(\"isEnabled\",true,t=>!t),\"aria-pressed\":e.to(\"isOn\",t=>this.isToggleable?String(t):false)},children:this.children,on:{mousedown:e.to(t=>{t.preventDefault()}),click:e.to(t=>{if(this.isEnabled){this.fire(\"execute\")}else{t.preventDefault()}})}})}render(){super.render();if(this.icon){this.iconView.bind(\"content\").to(this,\"icon\");this.children.add(this.iconView)}this.children.add(this.tooltipView);this.children.add(this.labelView);if(this.withKeystroke){this.children.add(this.keystrokeView)}}focus(){this.element.focus()}_createTooltipView(){const t=new iw;t.bind(\"text\").to(this,\"_tooltipString\");t.bind(\"position\").to(this,\"tooltipPosition\");return t}_createLabelView(t){const e=new _b;const n=this.bindTemplate;e.setTemplate({tag:\"span\",attributes:{class:[\"ck\",\"ck-button__label\"],style:n.to(\"labelStyle\"),id:`ck-editor__aria-label_${t}`},children:[{text:this.bindTemplate.to(\"label\")}]});return e}_createKeystrokeView(){const t=new _b;t.setTemplate({tag:\"span\",attributes:{class:[\"ck\",\"ck-button__keystroke\"]},children:[{text:this.bindTemplate.to(\"keystroke\",t=>zl(t))}]});return t}_getTooltipString(t,e,n){if(t){if(typeof t==\"string\"){return t}else{if(n){n=zl(n)}if(t instanceof Function){return t(e,n)}else{return`${e}${n?` (${n})`:\"\"}`}}}return\"\"}}var rw='<svg viewBox=\"0 0 10 10\" xmlns=\"http://www.w3.org/2000/svg\"><path d=\"M.941 4.523a.75.75 0 1 1 1.06-1.06l3.006 3.005 3.005-3.005a.75.75 0 1 1 1.06 1.06l-3.549 3.55a.75.75 0 0 1-1.168-.136L.941 4.523z\"/></svg>';class aw extends sw{constructor(t){super(t);this.arrowView=this._createArrowView();this.extendTemplate({attributes:{\"aria-haspopup\":true}});this.delegate(\"execute\").to(this,\"open\")}render(){super.render();this.children.add(this.arrowView)}_createArrowView(){const t=new ew;t.content=rw;t.extendTemplate({attributes:{class:\"ck-dropdown__arrow\"}});return t}}var cw=n(31);class lw extends _b{constructor(){super();this.items=this.createCollection();this.focusTracker=new Pp;this.keystrokes=new mp;this._focusCycler=new Lb({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 dw extends _b{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 uw extends _b{constructor(t){super(t);this.setTemplate({tag:\"li\",attributes:{class:[\"ck\",\"ck-list__separator\"]}})}}var hw=n(33);class fw extends sw{constructor(t){super(t);this.isToggleable=true;this.toggleSwitchView=this._createToggleView();this.extendTemplate({attributes:{class:\"ck-switchbutton\"}})}render(){super.render();this.children.add(this.toggleSwitchView)}_createToggleView(){const t=new _b;t.setTemplate({tag:\"span\",attributes:{class:[\"ck\",\"ck-button__toggle\"]},children:[{tag:\"span\",attributes:{class:[\"ck\",\"ck-button__toggle__inner\"]}}]});return t}}function mw({emitter:t,activator:e,callback:n,contextElements:i}){t.listenTo(document,\"mousedown\",(t,{target:o})=>{if(!e()){return}for(const t of i){if(t.contains(o)){return}}n()})}var gw=n(35);var pw=n(37);function bw(t,e=aw){const n=new e(t);const i=new Ub(t);const o=new Xb(t,n,i);n.bind(\"isEnabled\").to(o);if(n instanceof aw){n.bind(\"isOn\").to(o,\"isOpen\")}else{n.arrowView.bind(\"isOn\").to(o,\"isOpen\")}kw(o);return o}function ww(t,e){const n=t.locale;const i=n.t;const o=t.toolbarView=new Cw(n);o.set(\"ariaLabel\",i(\"Dropdown toolbar\"));t.extendTemplate({attributes:{class:[\"ck-toolbar-dropdown\"]}});e.map(t=>o.items.add(t));t.panelView.children.add(o);o.items.delegate(\"execute\").to(t)}function _w(t,e){const n=t.locale;const i=t.listView=new lw(n);i.items.bindTo(e).using(({type:t,model:e})=>{if(t===\"separator\"){return new uw(n)}else if(t===\"button\"||t===\"switchbutton\"){const i=new dw(n);let o;if(t===\"button\"){o=new sw(n)}else{o=new fw(n)}o.bind(...Object.keys(e)).to(e);o.delegate(\"execute\").to(i);i.children.add(o);return i}});t.panelView.children.add(i);i.items.delegate(\"execute\").to(t)}function kw(t){vw(t);yw(t);xw(t)}function vw(t){t.on(\"render\",()=>{mw({emitter:t,activator:()=>t.isOpen,callback:()=>{t.isOpen=false},contextElements:[t.element]})})}function yw(t){t.on(\"execute\",e=>{if(e.source instanceof fw){return}t.isOpen=false})}function xw(t){t.keystrokes.set(\"arrowdown\",(e,n)=>{if(t.isOpen){t.panelView.focus();n()}});t.keystrokes.set(\"arrowup\",(e,n)=>{if(t.isOpen){t.panelView.focusLast();n()}})}var Aw='<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>';var Tw=n(39);class Cw extends _b{constructor(t,e){super(t);const n=this.bindTemplate;const i=this.t;this.options=e||{};this.set(\"ariaLabel\",i(\"Editor toolbar\"));this.set(\"maxWidth\",\"auto\");this.items=this.createCollection();this.focusTracker=new Pp;this.keystrokes=new mp;this.set(\"class\");this.set(\"isCompact\",false);this.itemsView=new Pw(t);this.children=this.createCollection();this.children.add(this.itemsView);this.focusables=this.createCollection();this._focusCycler=new Lb({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:Hb(this)}});this._behavior=this.options.shouldGroupWhenFull?new Ew(this):new Sw(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(){this._behavior.destroy();return super.destroy()}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}fillFromConfig(t,e){t.map(t=>{if(t==\"|\"){this.items.add(new Vb)}else if(e.has(t)){this.items.add(e.create(t))}else{console.warn(Object(rr[\"a\"])(\"toolbarview-item-unavailable: The requested toolbar item is unavailable.\"),{name:t})}})}}class Pw extends _b{constructor(t){super(t);this.children=this.createCollection();this.setTemplate({tag:\"div\",attributes:{class:[\"ck\",\"ck-toolbar__items\"]},children:this.children})}}class Sw{constructor(t){const e=t.bindTemplate;t.set(\"isVertical\",false);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 Ew{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;this.shouldUpdateGroupingOnNextResize=false;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)=>{if(n>this.ungroupedItems.length){this.groupedItems.add(e,n-this.ungroupedItems.length)}else{this.ungroupedItems.add(e,n)}this._updateGrouping()});t.items.on(\"remove\",(t,e,n)=>{if(n>this.ungroupedItems.length){this.groupedItems.remove(e)}else{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}if(!this.viewElement.offsetParent){this.shouldUpdateGroupingOnNextResize=true;return}let t;while(this._areItemsOverflowing){this._groupLastItem();t=true}if(!t&&this.groupedItems.length){while(this.groupedItems.length&&!this._areItemsOverflowing){this._ungroupFirstItem()}if(this._areItemsOverflowing){this._groupLastItem()}}}get _areItemsOverflowing(){if(!this.ungroupedItems.length){return false}const t=this.viewElement;const e=this.viewLocale.uiLanguageDirection;const n=new vh(t.lastChild);const i=new vh(t);if(!this.cachedPadding){const n=Nd.window.getComputedStyle(t);const i=e===\"ltr\"?\"paddingRight\":\"paddingLeft\";this.cachedPadding=Number.parseInt(n[i])}if(e===\"ltr\"){return n.right>i.right-this.cachedPadding}else{return n.left<i.left+this.cachedPadding}}_enableGroupingOnResize(){let t;this.resizeObserver=new Bb(this.viewElement,e=>{if(!t||t!==e.contentRect.width||this.shouldUpdateGroupingOnNextResize){this.shouldUpdateGroupingOnNextResize=false;this._updateGrouping();t=e.contentRect.width}});this._updateGrouping()}_enableGroupingOnMaxWidthChange(t){t.on(\"change:maxWidth\",()=>{this._updateGrouping()})}_groupLastItem(){if(!this.groupedItems.length){this.viewChildren.add(new Vb);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));if(!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;const e=t.t;const n=bw(t);n.class=\"ck-toolbar__grouped-dropdown\";n.panelPosition=t.uiLanguageDirection===\"ltr\"?\"sw\":\"se\";ww(n,[]);n.buttonView.set({label:e(\"Show more items\"),tooltip:true,icon:Aw});n.toolbarView.items.bindTo(this.groupedItems).using(t=>t);return n}_updateFocusCycleableItems(){this.viewFocusables.clear();this.ungroupedItems.map(t=>{this.viewFocusables.add(t)});if(this.groupedItems.length){this.viewFocusables.add(this.groupedItemsDropdown)}}}var Mw=n(41);class Iw extends Eb{constructor(t,e,n={}){super(t);this.stickyPanel=new Db(t);this.toolbar=new Cw(t,{shouldGroupWhenFull:n.shouldToolbarGroupWhenFull});this.editable=new Ib(t,e)}render(){super.render();this.stickyPanel.content.add(this.toolbar);this.top.add(this.stickyPanel);this.main.add(this.editable)}}function Nw(t){if(t instanceof HTMLTextAreaElement){return t.value}return t.innerHTML}class Ow extends pp{constructor(t,e){super(e);if(Gs(t)){this.sourceElement=t}this.data.processor=new Ap(this.data.viewDocument);this.model.document.createRoot();const n=!this.config.get(\"toolbar.shouldNotGroupWhenFull\");const i=new Iw(this.locale,this.editing.view,{shouldToolbarGroupWhenFull:n});this.ui=new Hp(this,i);yp(this)}destroy(){if(this.sourceElement){this.updateSourceElement()}this.ui.destroy();return super.destroy()}static create(t,e={}){return new Promise(n=>{const i=new this(t,e);n(i.initPlugins().then(()=>i.ui.init(Gs(t)?t:null)).then(()=>{if(!Gs(t)&&e.initialData){throw new rr[\"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||Rw(t);return i.data.init(n)}).then(()=>i.fire(\"ready\")).then(()=>i))})}}yr(Ow,wp);yr(Ow,vp);function Rw(t){return Gs(t)?Nw(t):t}class Dw{constructor(t){this.editor=t;this.set(\"isEnabled\",true);this._disableStack=new Set}forceDisabled(t){this._disableStack.add(t);if(this._disableStack.size==1){this.on(\"set:isEnabled\",Lw,{priority:\"highest\"});this.isEnabled=false}}clearForceDisabled(t){this._disableStack.delete(t);if(this._disableStack.size==0){this.off(\"set:isEnabled\",Lw);this.isEnabled=true}}destroy(){this.stopListening()}static get isContextPlugin(){return false}}yr(Dw,Kc);function Lw(t){t.return=false;t.stop()}class zw{constructor(t){this.editor=t;this.set(\"value\",undefined);this.set(\"isEnabled\",false);this._disableStack=new Set;this.decorate(\"execute\");this.listenTo(this.editor.model.document,\"change\",()=>{this.refresh()});this.on(\"execute\",t=>{if(!this.isEnabled){t.stop()}},{priority:\"high\"});this.listenTo(t,\"change:isReadOnly\",(t,e,n)=>{if(n){this.forceDisabled(\"readOnlyMode\")}else{this.clearForceDisabled(\"readOnlyMode\")}})}refresh(){this.isEnabled=true}forceDisabled(t){this._disableStack.add(t);if(this._disableStack.size==1){this.on(\"set:isEnabled\",Vw,{priority:\"highest\"});this.isEnabled=false}}clearForceDisabled(t){this._disableStack.delete(t);if(this._disableStack.size==0){this.off(\"set:isEnabled\",Vw);this.refresh()}}execute(){}destroy(){this.stopListening()}}yr(zw,Kc);function Vw(t){t.return=false;t.stop()}function jw(t){const e=t.next();if(e.done){return null}return e.value}const Bw=[\"left\",\"right\",\"center\",\"justify\"];function Fw(t){return Bw.includes(t)}function Hw(t,e){if(e.contentLanguageDirection==\"rtl\"){return t===\"right\"}else{return t===\"left\"}}const Uw=\"alignment\";class Ww extends zw{refresh(){const t=this.editor;const e=t.locale;const n=jw(this.editor.model.document.selection.getSelectedBlocks());this.isEnabled=!!n&&this._canBeAligned(n);if(this.isEnabled&&n.hasAttribute(\"alignment\")){this.value=n.getAttribute(\"alignment\")}else{this.value=e.contentLanguageDirection===\"rtl\"?\"right\":\"left\"}}execute(t={}){const e=this.editor;const n=e.locale;const i=e.model;const o=i.document;const s=t.value;i.change(t=>{const e=Array.from(o.selection.getSelectedBlocks()).filter(t=>this._canBeAligned(t));const i=e[0].getAttribute(\"alignment\");const r=Hw(s,n)||i===s||!s;if(r){qw(e,t)}else{$w(e,t,s)}})}_canBeAligned(t){return this.editor.model.schema.checkAttribute(t,Uw)}}function qw(t,e){for(const n of t){e.removeAttribute(Uw,n)}}function $w(t,e,n){for(const i of t){e.setAttribute(Uw,n,i)}}class Yw extends Dw{static get pluginName(){return\"AlignmentEditing\"}constructor(t){super(t);t.config.define(\"alignment\",{options:[...Bw]})}init(){const t=this.editor;const e=t.locale;const n=t.model.schema;const i=t.config.get(\"alignment.options\").filter(Fw);n.extend(\"$block\",{allowAttributes:\"alignment\"});t.model.schema.setAttributeProperties(\"alignment\",{isFormatting:true});const o=Gw(i.filter(t=>!Hw(t,e)));t.conversion.attributeToAttribute(o);t.commands.add(\"alignment\",new Ww(t))}}function Gw(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}var Qw='<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>';var Kw='<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>';var Jw='<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>';var Zw='<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>';const Xw=new Map([[\"left\",Qw],[\"right\",Kw],[\"center\",Jw],[\"justify\",Zw]]);class t_ extends Dw{get localizedOptionTitles(){const t=this.editor.t;return{left:t(\"Align left\"),right:t(\"Align right\"),center:t(\"Align center\"),justify:t(\"Justify\")}}static get pluginName(){return\"AlignmentUI\"}init(){const t=this.editor;const e=t.ui.componentFactory;const n=t.t;const i=t.config.get(\"alignment.options\");i.filter(Fw).forEach(t=>this._addButton(t));e.add(\"alignment\",t=>{const o=bw(t);const s=i.map(t=>e.create(`alignment:${t}`));ww(o,s);o.buttonView.set({label:n(\"Text alignment\"),tooltip:true});o.toolbarView.isVertical=true;o.toolbarView.ariaLabel=n(\"Text alignment toolbar\");o.extendTemplate({attributes:{class:\"ck-alignment-dropdown\"}});const r=t.contentLanguageDirection===\"rtl\"?Kw:Qw;o.buttonView.bind(\"icon\").toMany(s,\"isOn\",(...t)=>{const e=t.findIndex(t=>t);if(e<0){return r}return s[e].icon});o.bind(\"isEnabled\").toMany(s,\"isEnabled\",(...t)=>t.some(t=>t));return o})}_addButton(t){const e=this.editor;e.ui.componentFactory.add(`alignment:${t}`,n=>{const i=e.commands.get(\"alignment\");const o=new sw(n);o.set({label:this.localizedOptionTitles[t],icon:Xw.get(t),tooltip:true,isToggleable:true});o.bind(\"isEnabled\").to(i);o.bind(\"isOn\").to(i,\"value\",e=>e===t);this.listenTo(o,\"execute\",()=>{e.execute(\"alignment\",{value:t});e.editing.view.focus()});return o})}}class e_ extends Dw{static get requires(){return[Yw,t_]}static get pluginName(){return\"Alignment\"}}class n_{static get pluginName(){return\"BlockAutoformatEditing\"}constructor(t,e,n){let i;let o=null;if(typeof n==\"function\"){i=n}else{o=t.commands.get(n);i=()=>{t.execute(n)}}t.model.document.on(\"change\",(n,s)=>{if(o&&!o.isEnabled){return}if(s.type==\"transparent\"){return}const r=Array.from(t.model.document.differ.getChanges());const a=r[0];if(r.length!=1||a.type!==\"insert\"||a.name!=\"$text\"||a.length!=1){return}const c=a.position.parent;if(!c.is(\"paragraph\")||c.childCount!==1){return}const l=e.exec(c.getChild(0).data);if(!l){return}t.model.enqueueChange(t=>{const e=t.createPositionAt(c,0);const n=t.createPositionAt(c,l[0].length);const o=new cf(e,n);const s=i({match:l});if(s!==false){t.remove(o)}o.detach()})})}}function i_(t,e){let n=t.start;const i=Array.from(t.getItems()).reduce((t,i)=>{if(!(i.is(\"text\")||i.is(\"textProxy\"))){n=e.createPositionAfter(i);return\"\"}return t+i.data},\"\");return{text:i,range:e.createRange(n,t.end)}}class o_{static get pluginName(){return\"InlineAutoformatEditing\"}constructor(t,e,n){let i;let o;let s;let r;if(e instanceof RegExp){i=e}else{s=e}if(typeof n==\"string\"){o=n}else{r=n}s=s||(t=>{let e;const n=[];const o=[];while((e=i.exec(t))!==null){if(e&&e.length<4){break}let{index:t,1:i,2:s,3:r}=e;const a=i+s+r;t+=e[0].length-a.length;const c=[t,t+i.length];const l=[t+i.length+s.length,t+i.length+s.length+r.length];n.push(c);n.push(l);o.push([t+i.length,t+i.length+s.length])}return{remove:n,format:o}});r=r||((e,n)=>{const i=t.model.schema.getValidRanges(n,o);for(const t of i){e.setAttribute(o,true,t)}e.removeSelectionAttribute(o)});t.model.document.on(\"change\",(e,n)=>{if(n.type==\"transparent\"){return}const i=t.model;const o=i.document.selection;if(!o.isCollapsed){return}const a=Array.from(i.document.differ.getChanges());const c=a[0];if(a.length!=1||c.type!==\"insert\"||c.name!=\"$text\"||c.length!=1){return}const l=o.focus;const d=l.parent;const{text:u,range:h}=i_(i.createRange(i.createPositionAt(d,0),l),i);const f=s(u);const m=s_(h.start,f.format,i);const g=s_(h.start,f.remove,i);if(!(m.length&&g.length)){return}i.enqueueChange(t=>{const e=r(t,m);if(e===false){return}for(const e of g.reverse()){t.remove(e)}})})}}function s_(t,e,n){return e.filter(t=>t[0]!==undefined&&t[1]!==undefined).map(e=>n.createRange(t.getShiftedBy(e[0]),t.getShiftedBy(e[1])))}class r_ extends Dw{static get pluginName(){return\"Autoformat\"}afterInit(){this._addListAutoformats();this._addBasicStylesAutoformats();this._addHeadingAutoformats();this._addBlockQuoteAutoformats();this._addCodeBlockAutoformats()}_addListAutoformats(){const t=this.editor.commands;if(t.get(\"bulletedList\")){new n_(this.editor,/^[*-]\\s$/,\"bulletedList\")}if(t.get(\"numberedList\")){new n_(this.editor,/^1[.|)]\\s$/,\"numberedList\")}}_addBasicStylesAutoformats(){const t=this.editor.commands;if(t.get(\"bold\")){const t=a_(this.editor,\"bold\");new o_(this.editor,/(\\*\\*)([^*]+)(\\*\\*)$/g,t);new o_(this.editor,/(__)([^_]+)(__)$/g,t)}if(t.get(\"italic\")){const t=a_(this.editor,\"italic\");new o_(this.editor,/(?:^|[^*])(\\*)([^*_]+)(\\*)$/g,t);new o_(this.editor,/(?:^|[^_])(_)([^_]+)(_)$/g,t)}if(t.get(\"code\")){const t=a_(this.editor,\"code\");new o_(this.editor,/(`)([^`]+)(`)$/g,t)}if(t.get(\"strikethrough\")){const t=a_(this.editor,\"strikethrough\");new o_(this.editor,/(~~)([^~]+)(~~)$/g,t)}}_addHeadingAutoformats(){const t=this.editor.commands.get(\"heading\");if(t){t.modelElements.filter(t=>t.match(/^heading[1-6]$/)).forEach(e=>{const n=e[7];const i=new RegExp(`^(#{${n}})\\\\s$`);new n_(this.editor,i,()=>{if(!t.isEnabled){return false}this.editor.execute(\"heading\",{value:e})})})}}_addBlockQuoteAutoformats(){if(this.editor.commands.get(\"blockQuote\")){new n_(this.editor,/^>\\s$/,\"blockQuote\")}}_addCodeBlockAutoformats(){if(this.editor.commands.get(\"codeBlock\")){new n_(this.editor,/^```$/,\"codeBlock\")}}}function a_(t,e){return(n,i)=>{const o=t.commands.get(e);if(!o.isEnabled){return false}const s=t.model.schema.getValidRanges(i,e);for(const t of s){n.setAttribute(e,true,t)}n.removeSelectionAttribute(e)}}class c_ extends zw{refresh(){this.value=this._getValue();this.isEnabled=this._checkEnabled()}execute(t={}){const e=this.editor.model;const n=e.schema;const i=e.document.selection;const o=Array.from(i.getSelectedBlocks());const s=t.forceValue===undefined?!this.value:t.forceValue;e.change(t=>{if(!s){this._removeQuote(t,o.filter(l_))}else{const e=o.filter(t=>l_(t)||u_(n,t));this._applyQuote(t,e)}})}_getValue(){const t=this.editor.model.document.selection;const e=jw(t.getSelectedBlocks());return!!(e&&l_(e))}_checkEnabled(){if(this.value){return true}const t=this.editor.model.document.selection;const e=this.editor.model.schema;const n=jw(t.getSelectedBlocks());if(!n){return false}return u_(e,n)}_removeQuote(t,e){d_(t,e).reverse().forEach(e=>{if(e.start.isAtStart&&e.end.isAtEnd){t.unwrap(e.start.parent);return}if(e.start.isAtStart){const n=t.createPositionBefore(e.start.parent);t.move(e,n);return}if(!e.end.isAtEnd){t.split(e.end)}const n=t.createPositionAfter(e.end.parent);t.move(e,n)})}_applyQuote(t,e){const n=[];d_(t,e).reverse().forEach(e=>{let i=l_(e.start);if(!i){i=t.createElement(\"blockQuote\");t.wrap(e,i)}n.push(i)});n.reverse().reduce((e,n)=>{if(e.nextSibling==n){t.merge(t.createPositionAfter(e));return e}return n})}}function l_(t){return t.parent.name==\"blockQuote\"?t.parent:null}function d_(t,e){let n;let i=0;const o=[];while(i<e.length){const s=e[i];const r=e[i+1];if(!n){n=t.createPositionBefore(s)}if(!r||s.nextSibling!=r){o.push(t.createRange(n,t.createPositionAfter(s)));n=null}i++}return o}function u_(t,e){const n=t.checkChild(e.parent,\"blockQuote\");const i=t.checkChild([\"$root\",\"blockQuote\"],e);return n&&i}class h_ extends Dw{static get pluginName(){return\"BlockQuoteEditing\"}init(){const t=this.editor;const e=t.model.schema;t.commands.add(\"blockQuote\",new c_(t));e.register(\"blockQuote\",{allowWhere:\"$block\",allowContentOf:\"$root\"});e.addChildCheck((t,e)=>{if(t.endsWith(\"blockQuote\")&&e.name==\"blockQuote\"){return false}});t.conversion.elementToElement({model:\"blockQuote\",view:\"blockquote\"});t.model.document.registerPostFixer(n=>{const i=t.model.document.differ.getChanges();for(const t of i){if(t.type==\"insert\"){const i=t.position.nodeAfter;if(!i){continue}if(i.is(\"blockQuote\")&&i.isEmpty){n.remove(i);return true}else if(i.is(\"blockQuote\")&&!e.checkChild(t.position,i)){n.unwrap(i);return true}else if(i.is(\"element\")){const t=n.createRangeIn(i);for(const i of t.getItems()){if(i.is(\"blockQuote\")&&!e.checkChild(n.createPositionBefore(i),i)){n.unwrap(i);return true}}}}else if(t.type==\"remove\"){const e=t.position.parent;if(e.is(\"blockQuote\")&&e.isEmpty){n.remove(e);return true}}}return false})}afterInit(){const t=this.editor;const e=t.commands.get(\"blockQuote\");this.listenTo(this.editor.editing.view.document,\"enter\",(t,n)=>{const i=this.editor.model.document;const o=i.selection.getLastPosition().parent;if(i.selection.isCollapsed&&o.isEmpty&&e.value){this.editor.execute(\"blockQuote\");this.editor.editing.view.scrollToTheSelection();n.preventDefault();t.stop()}})}}var f_='<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>';var m_=n(43);class g_ extends Dw{init(){const t=this.editor;const e=t.t;t.ui.componentFactory.add(\"blockQuote\",n=>{const i=t.commands.get(\"blockQuote\");const o=new sw(n);o.set({label:e(\"Block quote\"),icon:f_,tooltip:true,isToggleable:true});o.bind(\"isOn\",\"isEnabled\").to(i,\"value\",\"isEnabled\");this.listenTo(o,\"execute\",()=>{t.execute(\"blockQuote\");t.editing.view.focus()});return o})}}class p_ extends Dw{static get requires(){return[h_,g_]}static get pluginName(){return\"BlockQuote\"}}class b_ extends zw{constructor(t,e){super(t);this.attributeKey=e}refresh(){const t=this.editor.model;const e=t.document;this.value=this._getValueFromFirstAllowedNode();this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model;const n=e.document;const i=n.selection;const o=t.forceValue===undefined?!this.value:t.forceValue;e.change(t=>{if(i.isCollapsed){if(o){t.setSelectionAttribute(this.attributeKey,true)}else{t.removeSelectionAttribute(this.attributeKey)}}else{const n=e.schema.getValidRanges(i.getRanges(),this.attributeKey);for(const e of n){if(o){t.setAttribute(this.attributeKey,o,e)}else{t.removeAttribute(this.attributeKey,e)}}}})}_getValueFromFirstAllowedNode(){const t=this.editor.model;const e=t.schema;const 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 false}}const w_=\"bold\";class __ extends Dw{static get pluginName(){return\"BoldEditing\"}init(){const t=this.editor;t.model.schema.extend(\"$text\",{allowAttributes:w_});t.model.schema.setAttributeProperties(w_,{isFormatting:true,copyOnEnter:true});t.conversion.attributeToElement({model:w_,view:\"strong\",upcastAlso:[\"b\",t=>{const e=t.getStyle(\"font-weight\");if(!e){return null}if(e==\"bold\"||Number(e)>=600){return{name:true,styles:[\"font-weight\"]}}}]});t.commands.add(w_,new b_(t,w_));t.keystrokes.set(\"CTRL+B\",w_)}}var k_='<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>';const v_=\"bold\";class y_ extends Dw{init(){const t=this.editor;const e=t.t;t.ui.componentFactory.add(v_,n=>{const i=t.commands.get(v_);const o=new sw(n);o.set({label:e(\"Bold\"),icon:k_,keystroke:\"CTRL+B\",tooltip:true,isToggleable:true});o.bind(\"isOn\",\"isEnabled\").to(i,\"value\",\"isEnabled\");this.listenTo(o,\"execute\",()=>{t.execute(v_);t.editing.view.focus()});return o})}}class x_ extends Dw{static get requires(){return[__,y_]}static get pluginName(){return\"Bold\"}}class A_{constructor(t){this.files=T_(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)}}function T_(t){const e=t.files?Array.from(t.files):[];const n=t.items?Array.from(t.items):[];if(e.length){return e}return n.filter(t=>t.kind===\"file\").map(t=>t.getAsFile())}class C_ extends Qu{constructor(t){super(t);const e=this.document;this.domEventType=[\"paste\",\"copy\",\"cut\",\"drop\",\"dragover\"];this.listenTo(e,\"paste\",n,{priority:\"low\"});this.listenTo(e,\"drop\",n,{priority:\"low\"});function n(t,n){n.preventDefault();const i=n.dropRange?[n.dropRange]:Array.from(e.selection.getRanges());const o=new tr(e,\"clipboardInput\");e.fire(o,{dataTransfer:n.dataTransfer,targetRanges:i});if(o.stop.called){n.stopPropagation()}}}onDomEvent(t){const e={dataTransfer:new A_(t.clipboardData?t.clipboardData:t.dataTransfer)};if(t.type==\"drop\"){e.dropRange=P_(this.view,t)}this.fire(t.type,t,e)}}function P_(t,e){const n=e.target.ownerDocument;const i=e.clientX;const o=e.clientY;let s;if(n.caretRangeFromPoint&&n.caretRangeFromPoint(i,o)){s=n.caretRangeFromPoint(i,o)}else if(e.rangeParent){s=n.createRange();s.setStart(e.rangeParent,e.rangeOffset);s.collapse(true)}if(s){return t.domConverter.domRangeToView(s)}else{return t.document.selection.getFirstRange()}}function S_(t){t=t.replace(/</g,\"&lt;\").replace(/>/g,\"&gt;\").replace(/\\n/g,\"</p><p>\").replace(/^\\s/,\"&nbsp;\").replace(/\\s$/,\"&nbsp;\").replace(/\\s\\s/g,\" &nbsp;\");if(t.indexOf(\"</p><p>\")>-1){t=`<p>${t}</p>`}return t}function E_(t){return t.replace(/<span(?: class=\"Apple-converted-space\"|)>(\\s+)<\\/span>/g,(t,e)=>{if(e.length==1){return\" \"}return e})}const M_=[\"figcaption\",\"li\"];function I_(t){let e=\"\";if(t.is(\"text\")||t.is(\"textProxy\")){e=t.data}else if(t.is(\"img\")&&t.hasAttribute(\"alt\")){e=t.getAttribute(\"alt\")}else{let n=null;for(const i of t.getChildren()){const t=I_(i);if(n&&(n.is(\"containerElement\")||i.is(\"containerElement\"))){if(M_.includes(n.name)||M_.includes(i.name)){e+=\"\\n\"}else{e+=\"\\n\\n\"}}e+=t;n=i}}return e}class N_ extends Dw{static get pluginName(){return\"Clipboard\"}init(){const t=this.editor;const e=t.model.document;const n=t.editing.view;const i=n.document;this._htmlDataProcessor=new Ap(i);n.addObserver(C_);this.listenTo(i,\"clipboardInput\",e=>{if(t.isReadOnly){e.stop()}},{priority:\"highest\"});this.listenTo(i,\"clipboardInput\",(t,e)=>{const i=e.dataTransfer;let o=\"\";if(i.getData(\"text/html\")){o=E_(i.getData(\"text/html\"))}else if(i.getData(\"text/plain\")){o=S_(i.getData(\"text/plain\"))}o=this._htmlDataProcessor.toView(o);const s=new tr(this,\"inputTransformation\");this.fire(s,{content:o,dataTransfer:i});if(s.stop.called){t.stop()}n.scrollToTheSelection()},{priority:\"low\"});this.listenTo(this,\"inputTransformation\",(t,e)=>{if(!e.content.isEmpty){const n=this.editor.data;const i=this.editor.model;const o=n.toModel(e.content,\"$clipboardHolder\");if(o.childCount==0){return}i.insertContent(o);t.stop()}},{priority:\"low\"});function o(n,o){const s=o.dataTransfer;o.preventDefault();const r=t.data.toView(t.model.getSelectedContent(e.selection));i.fire(\"clipboardOutput\",{dataTransfer:s,content:r,method:n.name})}this.listenTo(i,\"copy\",o,{priority:\"low\"});this.listenTo(i,\"cut\",(e,n)=>{if(t.isReadOnly){n.preventDefault()}else{o(e,n)}},{priority:\"low\"});this.listenTo(i,\"clipboardOutput\",(n,i)=>{if(!i.content.isEmpty){i.dataTransfer.setData(\"text/html\",this._htmlDataProcessor.toData(i.content));i.dataTransfer.setData(\"text/plain\",I_(i.content))}if(i.method==\"cut\"){t.model.deleteContent(e.selection)}},{priority:\"low\"})}}function*O_(t,e){for(const n of e){if(n&&t.getAttributeProperties(n[0]).copyOnEnter){yield n}}}class R_ extends zw{execute(){const t=this.editor.model;const e=t.document;t.change(n=>{D_(this.editor.model,n,e.selection,t.schema);this.fire(\"afterExecute\",{writer:n})})}}function D_(t,e,n,i){const o=n.isCollapsed;const s=n.getFirstRange();const r=s.start.parent;const a=s.end.parent;if(i.isLimit(r)||i.isLimit(a)){if(!o&&r==a){t.deleteContent(n)}return}if(o){const t=O_(e.model.schema,n.getAttributes());L_(e,s.start);e.setSelectionAttribute(t)}else{const i=!(s.start.isAtStart&&s.end.isAtEnd);const o=r==a;t.deleteContent(n,{leaveUnmerged:i});if(i){if(o){L_(e,n.focus)}else{e.setSelection(a,0)}}}}function L_(t,e){t.split(e);t.setSelection(e.parent.nextSibling,0)}class z_ extends Yd{constructor(t){super(t);const e=this.document;e.on(\"keydown\",(t,n)=>{if(this.isEnabled&&n.keyCode==Rl.enter){let i;e.once(\"enter\",t=>i=t,{priority:\"highest\"});e.fire(\"enter\",new Gu(e,n.domEvent,{isSoft:n.shiftKey}));if(i&&i.stop.called){t.stop()}}})}observe(){}}class V_ extends Dw{static get pluginName(){return\"Enter\"}init(){const t=this.editor;const e=t.editing.view;const n=e.document;e.addObserver(z_);t.commands.add(\"enter\",new R_(t));this.listenTo(n,\"enter\",(n,i)=>{i.preventDefault();if(i.isSoft){return}t.execute(\"enter\");e.scrollToTheSelection()},{priority:\"low\"})}}class j_ extends zw{execute(){const t=this.editor.model;const e=t.document;t.change(n=>{F_(t,n,e.selection);this.fire(\"afterExecute\",{writer:n})})}refresh(){const t=this.editor.model;const e=t.document;this.isEnabled=B_(t.schema,e.selection)}}function B_(t,e){if(e.rangeCount>1){return false}const n=e.anchor;if(!n||!t.checkChild(n,\"softBreak\")){return false}const i=e.getFirstRange();const o=i.start.parent;const s=i.end.parent;if((U_(o,t)||U_(s,t))&&o!==s){return false}return true}function F_(t,e,n){const i=n.isCollapsed;const o=n.getFirstRange();const s=o.start.parent;const r=o.end.parent;const a=s==r;if(i){const i=O_(t.schema,n.getAttributes());H_(t,e,o.end);e.removeSelectionAttribute(n.getAttributeKeys());e.setSelectionAttribute(i)}else{const i=!(o.start.isAtStart&&o.end.isAtEnd);t.deleteContent(n,{leaveUnmerged:i});if(a){H_(t,e,n.focus)}else{if(i){e.setSelection(r,0)}}}}function H_(t,e,n){const i=e.createElement(\"softBreak\");t.insertContent(i,n);e.setSelection(i,\"after\")}function U_(t,e){if(t.is(\"rootElement\")){return false}return e.isLimit(t)||U_(t.parent,e)}class W_ extends Dw{static get pluginName(){return\"ShiftEnter\"}init(){const t=this.editor;const e=t.model.schema;const n=t.conversion;const i=t.editing.view;const o=i.document;e.register(\"softBreak\",{allowWhere:\"$text\",isInline:true});n.for(\"upcast\").elementToElement({model:\"softBreak\",view:\"br\"});n.for(\"downcast\").elementToElement({model:\"softBreak\",view:(t,e)=>e.createEmptyElement(\"br\")});i.addObserver(z_);t.commands.add(\"shiftEnter\",new j_(t));this.listenTo(o,\"enter\",(e,n)=>{n.preventDefault();if(!n.isSoft){return}t.execute(\"shiftEnter\");i.scrollToTheSelection()},{priority:\"low\"})}}class q_ extends zw{execute(){const t=this.editor.model;const e=t.schema.getLimitElement(t.document.selection);t.change(t=>{t.setSelection(e,\"in\")})}}const $_=Ll(\"Ctrl+A\");class Y_ extends Dw{static get pluginName(){return\"SelectAllEditing\"}init(){const t=this.editor;const e=t.editing.view;const n=e.document;t.commands.add(\"selectAll\",new q_(t));this.listenTo(n,\"keydown\",(e,n)=>{if(Dl(n)===$_){t.execute(\"selectAll\");n.preventDefault()}})}}var G_='<svg width=\"20\" height=\"20\" xmlns=\"http://www.w3.org/2000/svg\"><path d=\"M.75 15.5a.75.75 0 0 1 .75.75V18l.008.09A.5.5 0 0 0 2 18.5h1.75a.75.75 0 1 1 0 1.5H1.5l-.144-.007a1.5 1.5 0 0 1-1.35-1.349L0 18.5v-2.25a.75.75 0 0 1 .75-.75zm18.5 0a.75.75 0 0 1 .75.75v2.25l-.007.144a1.5 1.5 0 0 1-1.349 1.35L18.5 20h-2.25a.75.75 0 1 1 0-1.5H18a.5.5 0 0 0 .492-.41L18.5 18v-1.75a.75.75 0 0 1 .75-.75zm-10.45 3c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2H7.2a.2.2 0 0 1-.2-.2v-1.1c0-.11.09-.2.2-.2h1.6zm4 0c.11 0 .2.09.2.2v1.1a.2.2 0 0 1-.2.2h-1.6a.2.2 0 0 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1-.2.2h-1.6a.2.2 0 0 1-.2-.2V.2c0-.11.09-.2.2-.2h1.6z\"/></svg>';class Q_ extends Dw{static get pluginName(){return\"SelectAllUI\"}init(){const t=this.editor;t.ui.componentFactory.add(\"selectAll\",e=>{const n=t.commands.get(\"selectAll\");const i=new sw(e);const o=e.t;i.set({label:o(\"Select all\"),icon:G_,keystroke:\"Ctrl+A\",tooltip:true});i.bind(\"isOn\",\"isEnabled\").to(n,\"value\",\"isEnabled\");this.listenTo(i,\"execute\",()=>{t.execute(\"selectAll\");t.editing.view.focus()});return i})}}class K_ extends Dw{static get requires(){return[Y_,Q_]}static get pluginName(){return\"SelectAll\"}}class J_{constructor(t,e=20){this.model=t;this.size=0;this.limit=e;this.isLocked=false;this._changeCallback=(t,e)=>{if(e.type!=\"transparent\"&&e!==this._batch){this._reset(true)}};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(){if(!this._batch){this._batch=this.model.createBatch()}return this._batch}input(t){this.size+=t;if(this.size>=this.limit){this._reset(true)}}lock(){this.isLocked=true}unlock(){this.isLocked=false}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){if(!this.isLocked||t){this._batch=null;this.size=0}}}class Z_ extends zw{constructor(t,e){super(t);this._buffer=new J_(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;const n=e.document;const i=t.text||\"\";const o=i.length;const s=t.range?e.createSelection(t.range):n.selection;const r=t.resultRange;e.enqueueChange(this._buffer.batch,t=>{this._buffer.lock();e.deleteContent(s);if(i){e.insertContent(t.createText(i,n.selection.getAttributes()),s)}if(r){t.setSelection(r)}else if(!s.is(\"documentSelection\")){t.setSelection(s)}this._buffer.unlock();this._buffer.input(o);this._batches.add(this._buffer.batch)})}}function X_(t){let e=null;const n=t.model;const i=t.editing.view;const o=t.commands.get(\"input\");if(Cl.isAndroid){i.document.on(\"beforeinput\",(t,e)=>s(e),{priority:\"lowest\"})}else{i.document.on(\"keydown\",(t,e)=>s(e),{priority:\"lowest\"})}i.document.on(\"compositionstart\",r,{priority:\"lowest\"});i.document.on(\"compositionend\",()=>{e=n.createSelection(n.document.selection)},{priority:\"lowest\"});function s(t){const s=n.document;const r=i.document.isComposing;const c=e&&e.isEqual(s.selection);e=null;if(!o.isEnabled){return}if(ek(t)||s.selection.isCollapsed){return}if(r&&t.keyCode===229){return}if(!r&&t.keyCode===229&&c){return}a()}function r(){const t=n.document;const e=t.selection.rangeCount===1?t.selection.getFirstRange().isFlat:true;if(t.selection.isCollapsed||e){return}a()}function a(){const t=o.buffer;t.lock();n.enqueueChange(t.batch,()=>{n.deleteContent(n.document.selection)});t.unlock()}}const tk=[Dl(\"arrowUp\"),Dl(\"arrowRight\"),Dl(\"arrowDown\"),Dl(\"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++){tk.push(t)}function ek(t){if(t.ctrlKey){return true}return tk.includes(t.keyCode)}function nk(t,e){const n=[];let i=0;let o;t.forEach(t=>{if(t==\"equal\"){s();i++}else if(t==\"insert\"){if(r(\"insert\")){o.values.push(e[i])}else{s();o={type:\"insert\",index:i,values:[e[i]]}}i++}else{if(r(\"delete\")){o.howMany++}else{s();o={type:\"delete\",index:i,howMany:1}}}});s();return n;function s(){if(o){n.push(o);o=null}}function r(t){return o&&o.type==t}}function ik(t){if(t.length==0){return false}for(const e of t){if(e.type===\"children\"&&!ok(e)){return true}}return false}function ok(t){if(t.newChildren.length-t.oldChildren.length!=1){return}const e=kd(t.oldChildren,t.newChildren,sk);const n=nk(e,t.newChildren);if(n.length>1){return}const i=n[0];if(!(!!i.values[0]&&i.values[0].is(\"text\"))){return}return i}function sk(t,e){if(!!t&&t.is(\"text\")&&!!e&&e.is(\"text\")){return t.data===e.data}else{return t===e}}function rk(t){t.editing.view.document.on(\"mutations\",(e,n,i)=>{new ak(t).handle(n,i)})}class ak{constructor(t){this.editor=t;this.editing=this.editor.editing}handle(t,e){if(ik(t)){this._handleContainerChildrenMutations(t,e)}else{for(const n of t){this._handleTextMutation(n,e);this._handleTextNodeInsertion(n)}}}_handleContainerChildrenMutations(t,e){const n=ck(t);if(!n){return}const i=this.editor.editing.view.domConverter;const o=i.mapViewToDom(n);const s=new zd(this.editor.editing.view.document);const r=this.editor.data.toModel(s.domToView(o)).getChild(0);const a=this.editor.editing.mapper.toModelElement(n);if(!a){return}const c=Array.from(r.getChildren());const l=Array.from(a.getChildren());const d=c[c.length-1];const u=l[l.length-1];if(d&&d.is(\"softBreak\")&&u&&!u.is(\"softBreak\")){c.pop()}const h=this.editor.model.schema;if(!lk(c,h)||!lk(l,h)){return}const f=c.map(t=>t.is(\"text\")?t.data:\"@\").join(\"\").replace(/\\u00A0/g,\" \");const m=l.map(t=>t.is(\"text\")?t.data:\"@\").join(\"\").replace(/\\u00A0/g,\" \");if(m===f){return}const g=kd(m,f);const{firstChangeAt:p,insertions:b,deletions:w}=dk(g);let _=null;if(e){_=this.editing.mapper.toModelRange(e.getFirstRange())}const k=f.substr(p,b);const v=this.editor.model.createRange(this.editor.model.createPositionAt(a,p),this.editor.model.createPositionAt(a,p+w));this.editor.execute(\"input\",{text:k,range:v,resultRange:_})}_handleTextMutation(t,e){if(t.type!=\"text\"){return}const n=t.newText.replace(/\\u00A0/g,\" \");const i=t.oldText.replace(/\\u00A0/g,\" \");if(i===n){return}const o=kd(i,n);const{firstChangeAt:s,insertions:r,deletions:a}=dk(o);let c=null;if(e){c=this.editing.mapper.toModelRange(e.getFirstRange())}const l=this.editing.view.createPositionAt(t.node,s);const d=this.editing.mapper.toModelPosition(l);const u=this.editor.model.createRange(d,d.getShiftedBy(a));const h=n.substr(s,r);this.editor.execute(\"input\",{text:h,range:u,resultRange:c})}_handleTextNodeInsertion(t){if(t.type!=\"children\"){return}const e=ok(t);const n=this.editing.view.createPositionAt(t.node,e.index);const i=this.editing.mapper.toModelPosition(n);const o=e.values[0].data;this.editor.execute(\"input\",{text:o.replace(/\\u00A0/g,\" \"),range:this.editor.model.createRange(i)})}}function ck(t){const e=t.map(t=>t.node).reduce((t,e)=>t.getCommonAncestor(e,{includeSelf:true}));if(!e){return}return e.getAncestors({includeSelf:true,parentFirst:true}).find(t=>t.is(\"containerElement\")||t.is(\"rootElement\"))}function lk(t,e){return t.every(t=>e.isInline(t))}function dk(t){let e=null;let n=null;for(let i=0;i<t.length;i++){const o=t[i];if(o!=\"equal\"){e=e===null?i:e;n=i}}let i=0;let o=0;for(let s=e;s<=n;s++){if(t[s]!=\"insert\"){i++}if(t[s]!=\"delete\"){o++}}return{insertions:o,deletions:i,firstChangeAt:e}}class uk extends Dw{static get pluginName(){return\"Input\"}init(){const t=this.editor;const e=new Z_(t,t.config.get(\"typing.undoStep\")||20);t.commands.add(\"input\",e);X_(t);rk(t)}isInput(t){const e=this.editor.commands.get(\"input\");return e._batches.has(t)}}class hk extends zw{constructor(t,e){super(t);this.direction=e;this._buffer=new J_(t.model,t.config.get(\"typing.undoStep\"))}get buffer(){return this._buffer}execute(t={}){const e=this.editor.model;const n=e.document;e.enqueueChange(this._buffer.batch,i=>{this._buffer.lock();const o=i.createSelection(t.selection||n.selection);const s=o.isCollapsed;if(o.isCollapsed){e.modifySelection(o,{direction:this.direction,unit:t.unit})}if(this._shouldEntireContentBeReplacedWithParagraph(t.sequence||1)){this._replaceEntireContentWithParagraph(i);return}if(o.isCollapsed){return}let r=0;o.getFirstRange().getMinimalFlatRanges().forEach(t=>{r+=ml(t.getWalker({singleCharacters:true,ignoreElementEnd:true,shallow:true}))});e.deleteContent(o,{doNotResetEntireContent:s,direction:this.direction});this._buffer.input(r);i.setSelection(o);this._buffer.unlock()})}_shouldEntireContentBeReplacedWithParagraph(t){if(t>1){return false}const e=this.editor.model;const n=e.document;const i=n.selection;const o=e.schema.getLimitElement(i);const s=i.isCollapsed&&i.containsEntireContent(o);if(!s){return false}if(!e.schema.checkChild(o,\"paragraph\")){return false}const r=o.getChild(0);if(r&&r.name===\"paragraph\"){return false}return true}_replaceEntireContentWithParagraph(t){const e=this.editor.model;const n=e.document;const i=n.selection;const o=e.schema.getLimitElement(i);const s=t.createElement(\"paragraph\");t.remove(t.createRangeIn(o));t.insert(s,o);t.setSelection(s,0)}}class fk extends Yd{constructor(t){super(t);const e=t.document;let n=0;e.on(\"keyup\",(t,e)=>{if(e.keyCode==Rl.delete||e.keyCode==Rl.backspace){n=0}});e.on(\"keydown\",(t,e)=>{const o={};if(e.keyCode==Rl.delete){o.direction=\"forward\";o.unit=\"character\"}else if(e.keyCode==Rl.backspace){o.direction=\"backward\";o.unit=\"codePoint\"}else{return}const s=Cl.isMac?e.altKey:e.ctrlKey;o.unit=s?\"word\":o.unit;o.sequence=++n;i(t,e.domEvent,o)});if(Cl.isAndroid){e.on(\"beforeinput\",(e,n)=>{if(n.domEvent.inputType!=\"deleteContentBackward\"){return}const o={unit:\"codepoint\",direction:\"backward\",sequence:1};const s=n.domTarget.ownerDocument.defaultView.getSelection();if(s.anchorNode==s.focusNode&&s.anchorOffset+1!=s.focusOffset){o.selectionToRemove=t.domConverter.domSelectionToView(s)}i(e,n.domEvent,o)})}function i(t,n,i){let o;e.once(\"delete\",t=>o=t,{priority:Number.POSITIVE_INFINITY});e.fire(\"delete\",new Gu(e,n,i));if(o&&o.stop.called){t.stop()}}}observe(){}}class mk extends Dw{static get pluginName(){return\"Delete\"}init(){const t=this.editor;const e=t.editing.view;const n=e.document;e.addObserver(fk);t.commands.add(\"forwardDelete\",new hk(t,\"forward\"));t.commands.add(\"delete\",new hk(t,\"backward\"));this.listenTo(n,\"delete\",(n,i)=>{const o={unit:i.unit,sequence:i.sequence};if(i.selectionToRemove){const e=t.model.createSelection();const n=[];for(const e of i.selectionToRemove.getRanges()){n.push(t.editing.mapper.toModelRange(e))}e.setTo(n);o.selection=e}t.execute(i.direction==\"forward\"?\"forwardDelete\":\"delete\",o);i.preventDefault();e.scrollToTheSelection()});if(Cl.isAndroid){let t=null;this.listenTo(n,\"delete\",(e,n)=>{const i=n.domTarget.ownerDocument.defaultView.getSelection();t={anchorNode:i.anchorNode,anchorOffset:i.anchorOffset,focusNode:i.focusNode,focusOffset:i.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 gk extends Dw{static get requires(){return[uk,mk]}static get pluginName(){return\"Typing\"}}const pk=new Map;function bk(t,e,n){let i=pk.get(t);if(!i){i=new Map;pk.set(t,i)}i.set(e,n)}function wk(t,e){const n=pk.get(t);if(n&&n.has(e)){return n.get(e)}return _k}function _k(t){return[t]}function kk(t,e,n={}){const i=wk(t.constructor,e.constructor);try{t=t.clone();return i(t,e,n)}catch(t){throw t}}function vk(t,e,n){t=t.slice();e=e.slice();const i=new yk(n.document,n.useRelations,n.forceWeakRemove);i.setOriginalOperations(t);i.setOriginalOperations(e);const o=i.originalOperations;if(t.length==0||e.length==0){return{operationsA:t,operationsB:e,originalOperations:o}}const s=new WeakMap;for(const e of t){s.set(e,0)}const r={nextBaseVersionA:t[t.length-1].baseVersion+1,nextBaseVersionB:e[e.length-1].baseVersion+1,originalOperationsACount:t.length,originalOperationsBCount:e.length};let a=0;while(a<t.length){const n=t[a];const o=s.get(n);if(o==e.length){a++;continue}const r=e[o];const c=kk(n,r,i.getContext(n,r,true));const l=kk(r,n,i.getContext(r,n,false));i.updateRelation(n,r);i.setOriginalOperations(c,n);i.setOriginalOperations(l,r);for(const t of c){s.set(t,o+l.length)}t.splice(a,1,...c);e.splice(o,1,...l)}if(n.padWithNoOps){const n=t.length-r.originalOperationsACount;const i=e.length-r.originalOperationsBCount;Ak(t,i-n);Ak(e,n-i)}xk(t,r.nextBaseVersionB);xk(e,r.nextBaseVersionA);return{operationsA:t,operationsB:e,originalOperations:o}}class yk{constructor(t,e,n=false){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 ig:{switch(e.constructor){case cg:{if(t.targetPosition.isEqual(e.sourcePosition)||e.movedRange.containsPosition(t.targetPosition)){this._setRelation(t,e,\"insertAtSource\")}else if(t.targetPosition.isEqual(e.deletionPosition)){this._setRelation(t,e,\"insertBetween\")}else if(t.targetPosition.isAfter(e.sourcePosition)){this._setRelation(t,e,\"moveTargetAfter\")}break}case ig:{if(t.targetPosition.isEqual(e.sourcePosition)||t.targetPosition.isBefore(e.sourcePosition)){this._setRelation(t,e,\"insertBefore\")}else{this._setRelation(t,e,\"insertAfter\")}break}}break}case lg:{switch(e.constructor){case cg:{if(t.splitPosition.isBefore(e.sourcePosition)){this._setRelation(t,e,\"splitBefore\")}break}case ig:{if(t.splitPosition.isEqual(e.sourcePosition)||t.splitPosition.isBefore(e.sourcePosition)){this._setRelation(t,e,\"splitBefore\")}break}}break}case cg:{switch(e.constructor){case cg:{if(!t.targetPosition.isEqual(e.sourcePosition)){this._setRelation(t,e,\"mergeTargetNotMoved\")}if(t.sourcePosition.isEqual(e.targetPosition)){this._setRelation(t,e,\"mergeSourceNotMoved\")}if(t.sourcePosition.isEqual(e.sourcePosition)){this._setRelation(t,e,\"mergeSameElement\")}break}case lg:{if(t.sourcePosition.isEqual(e.splitPosition)){this._setRelation(t,e,\"splitAtSource\")}}}break}case sg:{const n=t.newRange;if(!n){return}switch(e.constructor){case ig:{const i=Qh._createFromPositionAndShift(e.sourcePosition,e.howMany);const o=i.containsPosition(n.start)||i.start.isEqual(n.start);const s=i.containsPosition(n.end)||i.end.isEqual(n.end);if((o||s)&&!i.containsRange(n)){this._setRelation(t,e,{side:o?\"left\":\"right\",path:o?n.start.path.slice():n.end.path.slice()})}break}case cg:{const i=n.start.isEqual(e.targetPosition);const o=n.start.isEqual(e.deletionPosition);const s=n.end.isEqual(e.deletionPosition);const r=n.end.isEqual(e.sourcePosition);if(i||o||s||r){this._setRelation(t,e,{wasInLeftElement:i,wasStartBeforeMergedElement:o,wasEndBeforeMergedElement:s,wasInRightElement:r})}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);const i=this._history.getUndoneOperation(n);if(!i){return null}const o=this.originalOperations.get(t);const s=this._relations.get(o);if(s){return s.get(i)||null}return null}_setRelation(t,e,n){const i=this.originalOperations.get(t);const o=this.originalOperations.get(e);let s=this._relations.get(i);if(!s){s=new Map;this._relations.set(i,s)}s.set(o,n)}}function xk(t,e){for(const n of t){n.baseVersion=e++}}function Ak(t,e){for(let n=0;n<e;n++){t.push(new Ng(0))}}bk(eg,eg,(t,e,n)=>{if(t.key===e.key&&t.range.start.hasSameParentAs(e.range.start)){const i=t.range.getDifference(e.range).map(e=>new eg(e,t.key,t.oldValue,t.newValue,0));const o=t.range.getIntersection(e.range);if(o){if(n.aIsStrong){i.push(new eg(o,e.key,e.newValue,t.newValue,0))}}if(i.length==0){return[new Ng(0)]}return i}else{return[t]}});bk(eg,og,(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);const i=n.map(e=>new eg(e,t.key,t.oldValue,t.newValue,t.baseVersion));if(e.shouldReceiveAttributes){const n=Tk(e,t.key,t.oldValue);if(n){i.unshift(n)}}return i}t.range=t.range._getTransformedByInsertion(e.position,e.howMany,false)[0];return[t]});function Tk(t,e,n){const i=t.nodes;const o=i.getNode(0).getAttribute(e);if(o==n){return null}const s=new Qh(t.position,t.position.getShiftedBy(t.howMany));return new eg(s,e,o,n,0)}bk(eg,cg,(t,e)=>{const n=[];if(t.range.start.hasSameParentAs(e.deletionPosition)){if(t.range.containsPosition(e.deletionPosition)||t.range.start.isEqual(e.deletionPosition)){n.push(Qh._createFromPositionAndShift(e.graveyardPosition,1))}}const i=t.range._getTransformedByMergeOperation(e);if(!i.isCollapsed){n.push(i)}return n.map(e=>new eg(e,t.key,t.oldValue,t.newValue,t.baseVersion))});bk(eg,ig,(t,e)=>{const n=Ck(t.range,e);return n.map(e=>new eg(e,t.key,t.oldValue,t.newValue,t.baseVersion))});function Ck(t,e){const n=Qh._createFromPositionAndShift(e.sourcePosition,e.howMany);let i=null;let o=[];if(n.containsRange(t,true)){i=t}else if(t.start.hasSameParentAs(n.start)){o=t.getDifference(n);i=t.getIntersection(n)}else{o=[t]}const s=[];for(let t of o){t=t._getTransformedByDeletion(e.sourcePosition,e.howMany);const n=e.getMovedRangeStart();const i=t.start.hasSameParentAs(n);t=t._getTransformedByInsertion(n,e.howMany,i);s.push(...t)}if(i){s.push(i._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany,false)[0])}return s}bk(eg,lg,(t,e)=>{if(t.range.end.isEqual(e.insertionPosition)){if(!e.graveyardPosition){t.range.end.offset++}return[t]}if(t.range.start.hasSameParentAs(e.splitPosition)&&t.range.containsPosition(e.splitPosition)){const n=t.clone();n.range=new Qh(e.moveTargetPosition.clone(),t.range.end._getCombined(e.splitPosition,e.moveTargetPosition));t.range.end=e.splitPosition.clone();t.range.end.stickiness=\"toPrevious\";return[t,n]}t.range=t.range._getTransformedBySplitOperation(e);return[t]});bk(og,eg,(t,e)=>{const n=[t];if(t.shouldReceiveAttributes&&t.position.hasSameParentAs(e.range.start)&&e.range.containsPosition(t.position)){const i=Tk(t,e.key,e.newValue);if(i){n.push(i)}}return n});bk(og,og,(t,e,n)=>{if(t.position.isEqual(e.position)&&n.aIsStrong){return[t]}t.position=t.position._getTransformedByInsertOperation(e);return[t]});bk(og,ig,(t,e)=>{t.position=t.position._getTransformedByMoveOperation(e);return[t]});bk(og,lg,(t,e)=>{t.position=t.position._getTransformedBySplitOperation(e);return[t]});bk(og,cg,(t,e)=>{t.position=t.position._getTransformedByMergeOperation(e);return[t]});bk(sg,og,(t,e)=>{if(t.oldRange){t.oldRange=t.oldRange._getTransformedByInsertOperation(e)[0]}if(t.newRange){t.newRange=t.newRange._getTransformedByInsertOperation(e)[0]}return[t]});bk(sg,sg,(t,e,n)=>{if(t.name==e.name){if(n.aIsStrong){t.oldRange=e.newRange?e.newRange.clone():null}else{return[new Ng(0)]}}return[t]});bk(sg,cg,(t,e)=>{if(t.oldRange){t.oldRange=t.oldRange._getTransformedByMergeOperation(e)}if(t.newRange){t.newRange=t.newRange._getTransformedByMergeOperation(e)}return[t]});bk(sg,ig,(t,e,n)=>{if(t.oldRange){t.oldRange=Qh._createFromRanges(t.oldRange._getTransformedByMoveOperation(e))}if(t.newRange){if(n.abRelation){const i=Qh._createFromRanges(t.newRange._getTransformedByMoveOperation(e));if(n.abRelation.side==\"left\"&&e.targetPosition.isEqual(t.newRange.start)){t.newRange.start.path=n.abRelation.path;t.newRange.end=i.end;return[t]}else if(n.abRelation.side==\"right\"&&e.targetPosition.isEqual(t.newRange.end)){t.newRange.start=i.start;t.newRange.end.path=n.abRelation.path;return[t]}}t.newRange=Qh._createFromRanges(t.newRange._getTransformedByMoveOperation(e))}return[t]});bk(sg,lg,(t,e,n)=>{if(t.oldRange){t.oldRange=t.oldRange._getTransformedBySplitOperation(e)}if(t.newRange){if(n.abRelation){const i=t.newRange._getTransformedBySplitOperation(e);if(t.newRange.start.isEqual(e.splitPosition)&&n.abRelation.wasStartBeforeMergedElement){t.newRange.start=qh._createAt(e.insertionPosition)}else if(t.newRange.start.isEqual(e.splitPosition)&&!n.abRelation.wasInLeftElement){t.newRange.start=qh._createAt(e.moveTargetPosition)}if(t.newRange.end.isEqual(e.splitPosition)&&n.abRelation.wasInRightElement){t.newRange.end=qh._createAt(e.moveTargetPosition)}else if(t.newRange.end.isEqual(e.splitPosition)&&n.abRelation.wasEndBeforeMergedElement){t.newRange.end=qh._createAt(e.insertionPosition)}else{t.newRange.end=i.end}return[t]}t.newRange=t.newRange._getTransformedBySplitOperation(e)}return[t]});bk(cg,og,(t,e)=>{if(t.sourcePosition.hasSameParentAs(e.position)){t.howMany+=e.howMany}t.sourcePosition=t.sourcePosition._getTransformedByInsertOperation(e);t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e);return[t]});bk(cg,cg,(t,e,n)=>{if(t.sourcePosition.isEqual(e.sourcePosition)&&t.targetPosition.isEqual(e.targetPosition)){if(!n.bWasUndone){return[new Ng(0)]}else{const n=e.graveyardPosition.path.slice();n.push(0);t.sourcePosition=new qh(e.graveyardPosition.root,n);t.howMany=0;return[t]}}if(t.sourcePosition.isEqual(e.sourcePosition)&&!t.targetPosition.isEqual(e.targetPosition)&&!n.bWasUndone&&n.abRelation!=\"splitAtSource\"){const i=t.targetPosition.root.rootName==\"$graveyard\";const o=e.targetPosition.root.rootName==\"$graveyard\";const s=i&&!o;const r=o&&!i;const a=r||!s&&n.aIsStrong;if(a){const n=e.targetPosition._getTransformedByMergeOperation(e);const i=t.targetPosition._getTransformedByMergeOperation(e);return[new ig(n,t.howMany,i,0)]}else{return[new Ng(0)]}}if(t.sourcePosition.hasSameParentAs(e.targetPosition)){t.howMany+=e.howMany}t.sourcePosition=t.sourcePosition._getTransformedByMergeOperation(e);t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e);if(!t.graveyardPosition.isEqual(e.graveyardPosition)||!n.aIsStrong){t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)}return[t]});bk(cg,ig,(t,e,n)=>{const i=Qh._createFromPositionAndShift(e.sourcePosition,e.howMany);if(e.type==\"remove\"&&!n.bWasUndone&&!n.forceWeakRemove){if(t.deletionPosition.hasSameParentAs(e.sourcePosition)&&i.containsPosition(t.sourcePosition)){return[new Ng(0)]}}if(t.sourcePosition.hasSameParentAs(e.targetPosition)){t.howMany+=e.howMany}if(t.sourcePosition.hasSameParentAs(e.sourcePosition)){t.howMany-=e.howMany}t.sourcePosition=t.sourcePosition._getTransformedByMoveOperation(e);t.targetPosition=t.targetPosition._getTransformedByMoveOperation(e);if(!t.graveyardPosition.isEqual(e.targetPosition)){t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)}return[t]});bk(cg,lg,(t,e,n)=>{if(e.graveyardPosition){t.graveyardPosition=t.graveyardPosition._getTransformedByDeletion(e.graveyardPosition,1);if(t.deletionPosition.isEqual(e.graveyardPosition)){t.howMany=e.howMany}}if(t.targetPosition.isEqual(e.splitPosition)){const i=e.howMany!=0;const o=e.graveyardPosition&&t.deletionPosition.isEqual(e.graveyardPosition);if(i||o||n.abRelation==\"mergeTargetNotMoved\"){t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e);return[t]}}if(t.sourcePosition.isEqual(e.splitPosition)){if(n.abRelation==\"mergeSourceNotMoved\"){t.howMany=0;t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e);return[t]}if(n.abRelation==\"mergeSameElement\"||t.sourcePosition.offset>0){t.sourcePosition=e.moveTargetPosition.clone();t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e);return[t]}}if(t.sourcePosition.hasSameParentAs(e.splitPosition)){t.howMany=e.splitPosition.offset}t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e);t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e);return[t]});bk(ig,og,(t,e)=>{const n=Qh._createFromPositionAndShift(t.sourcePosition,t.howMany);const i=n._getTransformedByInsertOperation(e,false)[0];t.sourcePosition=i.start;t.howMany=i.end.offset-i.start.offset;if(!t.targetPosition.isEqual(e.position)){t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e)}return[t]});bk(ig,ig,(t,e,n)=>{const i=Qh._createFromPositionAndShift(t.sourcePosition,t.howMany);const o=Qh._createFromPositionAndShift(e.sourcePosition,e.howMany);let s=n.aIsStrong;let r=!n.aIsStrong;if(n.abRelation==\"insertBefore\"||n.baRelation==\"insertAfter\"){r=true}else if(n.abRelation==\"insertAfter\"||n.baRelation==\"insertBefore\"){r=false}let a;if(t.targetPosition.isEqual(e.targetPosition)&&r){a=t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany)}else{a=t.targetPosition._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany)}if(Pk(t,e)&&Pk(e,t)){return[e.getReversed()]}const c=i.containsPosition(e.targetPosition);if(c&&i.containsRange(o,true)){i.start=i.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany);i.end=i.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany);return Sk([i],a)}const l=o.containsPosition(t.targetPosition);if(l&&o.containsRange(i,true)){i.start=i.start._getCombined(e.sourcePosition,e.getMovedRangeStart());i.end=i.end._getCombined(e.sourcePosition,e.getMovedRangeStart());return Sk([i],a)}const d=Dr(t.sourcePosition.getParentPath(),e.sourcePosition.getParentPath());if(d==\"prefix\"||d==\"extension\"){i.start=i.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany);i.end=i.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany);return Sk([i],a)}if(t.type==\"remove\"&&e.type!=\"remove\"&&!n.aWasUndone&&!n.forceWeakRemove){s=true}else if(t.type!=\"remove\"&&e.type==\"remove\"&&!n.bWasUndone&&!n.forceWeakRemove){s=false}const u=[];const h=i.getDifference(o);for(const t of h){t.start=t.start._getTransformedByDeletion(e.sourcePosition,e.howMany);t.end=t.end._getTransformedByDeletion(e.sourcePosition,e.howMany);const n=Dr(t.start.getParentPath(),e.getMovedRangeStart().getParentPath())==\"same\";const i=t._getTransformedByInsertion(e.getMovedRangeStart(),e.howMany,n);u.push(...i)}const f=i.getIntersection(o);if(f!==null&&s){f.start=f.start._getCombined(e.sourcePosition,e.getMovedRangeStart());f.end=f.end._getCombined(e.sourcePosition,e.getMovedRangeStart());if(u.length===0){u.push(f)}else if(u.length==1){if(o.start.isBefore(i.start)||o.start.isEqual(i.start)){u.unshift(f)}else{u.push(f)}}else{u.splice(1,0,f)}}if(u.length===0){return[new Ng(t.baseVersion)]}return Sk(u,a)});bk(ig,lg,(t,e,n)=>{let i=t.targetPosition.clone();if(!t.targetPosition.isEqual(e.insertionPosition)||!e.graveyardPosition||n.abRelation==\"moveTargetAfter\"){i=t.targetPosition._getTransformedBySplitOperation(e)}const o=Qh._createFromPositionAndShift(t.sourcePosition,t.howMany);if(o.end.isEqual(e.insertionPosition)){if(!e.graveyardPosition){t.howMany++}t.targetPosition=i;return[t]}if(o.start.hasSameParentAs(e.splitPosition)&&o.containsPosition(e.splitPosition)){let t=new Qh(e.splitPosition,o.end);t=t._getTransformedBySplitOperation(e);const n=[new Qh(o.start,e.splitPosition),t];return Sk(n,i)}if(t.targetPosition.isEqual(e.splitPosition)&&n.abRelation==\"insertAtSource\"){i=e.moveTargetPosition}if(t.targetPosition.isEqual(e.insertionPosition)&&n.abRelation==\"insertBetween\"){i=t.targetPosition}const s=o._getTransformedBySplitOperation(e);const r=[s];if(e.graveyardPosition){const i=o.start.isEqual(e.graveyardPosition)||o.containsPosition(e.graveyardPosition);if(t.howMany>1&&i&&!n.aWasUndone){r.push(Qh._createFromPositionAndShift(e.insertionPosition,1))}}return Sk(r,i)});bk(ig,cg,(t,e,n)=>{const i=Qh._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.deletionPosition.hasSameParentAs(t.sourcePosition)&&i.containsPosition(e.sourcePosition)){if(t.type==\"remove\"&&!n.forceWeakRemove){if(!n.aWasUndone){const n=[];let i=e.graveyardPosition.clone();let o=e.targetPosition._getTransformedByMergeOperation(e);if(t.howMany>1){n.push(new ig(t.sourcePosition,t.howMany-1,t.targetPosition,0));i=i._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1);o=o._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1)}const s=e.deletionPosition._getCombined(t.sourcePosition,t.targetPosition);const r=new ig(i,1,s,0);const a=r.getMovedRangeStart().path.slice();a.push(0);const c=new qh(r.targetPosition.root,a);o=o._getTransformedByMove(i,s,1);const l=new ig(o,e.howMany,c,0);n.push(r);n.push(l);return n}}else{if(t.howMany==1){if(!n.bWasUndone){return[new Ng(0)]}else{t.sourcePosition=e.graveyardPosition.clone();t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e);return[t]}}}}const o=Qh._createFromPositionAndShift(t.sourcePosition,t.howMany);const s=o._getTransformedByMergeOperation(e);t.sourcePosition=s.start;t.howMany=s.end.offset-s.start.offset;t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e);return[t]});bk(rg,og,(t,e)=>{t.position=t.position._getTransformedByInsertOperation(e);return[t]});bk(rg,cg,(t,e)=>{if(t.position.isEqual(e.deletionPosition)){t.position=e.graveyardPosition.clone();t.position.stickiness=\"toNext\";return[t]}t.position=t.position._getTransformedByMergeOperation(e);return[t]});bk(rg,ig,(t,e)=>{t.position=t.position._getTransformedByMoveOperation(e);return[t]});bk(rg,rg,(t,e,n)=>{if(t.position.isEqual(e.position)){if(n.aIsStrong){t.oldName=e.newName}else{return[new Ng(0)]}}return[t]});bk(rg,lg,(t,e)=>{const n=t.position.path;const i=e.splitPosition.getParentPath();if(Dr(n,i)==\"same\"&&!e.graveyardPosition){const e=new rg(t.position.getShiftedBy(1),t.oldName,t.newName,0);return[t,e]}t.position=t.position._getTransformedBySplitOperation(e);return[t]});bk(ag,ag,(t,e,n)=>{if(t.root===e.root&&t.key===e.key){if(!n.aIsStrong||t.newValue===e.newValue){return[new Ng(0)]}else{t.oldValue=e.newValue}}return[t]});bk(lg,og,(t,e)=>{if(t.splitPosition.hasSameParentAs(e.position)&&t.splitPosition.offset<e.position.offset){t.howMany+=e.howMany}t.splitPosition=t.splitPosition._getTransformedByInsertOperation(e);t.insertionPosition=lg.getInsertionPosition(t.splitPosition);return[t]});bk(lg,cg,(t,e,n)=>{if(!t.graveyardPosition&&!n.bWasUndone&&t.splitPosition.hasSameParentAs(e.sourcePosition)){const n=e.graveyardPosition.path.slice();n.push(0);const i=new qh(e.graveyardPosition.root,n);const o=lg.getInsertionPosition(new qh(e.graveyardPosition.root,n));const s=new lg(i,0,null,0);s.insertionPosition=o;t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e);t.insertionPosition=lg.getInsertionPosition(t.splitPosition);t.graveyardPosition=s.insertionPosition.clone();t.graveyardPosition.stickiness=\"toNext\";return[s,t]}if(t.splitPosition.hasSameParentAs(e.deletionPosition)&&!t.splitPosition.isAfter(e.deletionPosition)){t.howMany--}if(t.splitPosition.hasSameParentAs(e.targetPosition)){t.howMany+=e.howMany}t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e);t.insertionPosition=lg.getInsertionPosition(t.splitPosition);if(t.graveyardPosition){t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)}return[t]});bk(lg,ig,(t,e,n)=>{const i=Qh._createFromPositionAndShift(e.sourcePosition,e.howMany);if(t.graveyardPosition){const o=i.start.isEqual(t.graveyardPosition)||i.containsPosition(t.graveyardPosition);if(!n.bWasUndone&&o){const n=t.splitPosition._getTransformedByMoveOperation(e);const i=t.graveyardPosition._getTransformedByMoveOperation(e);const o=i.path.slice();o.push(0);const s=new qh(i.root,o);const r=new ig(n,t.howMany,s,0);return[r]}t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)}if(t.splitPosition.hasSameParentAs(e.sourcePosition)&&i.containsPosition(t.splitPosition)){const n=e.howMany-(t.splitPosition.offset-e.sourcePosition.offset);t.howMany-=n;if(t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset){t.howMany+=e.howMany}t.splitPosition=e.sourcePosition.clone();t.insertionPosition=lg.getInsertionPosition(t.splitPosition);return[t]}const o=t.splitPosition.isEqual(e.targetPosition);if(o&&(n.baRelation==\"insertAtSource\"||n.abRelation==\"splitBefore\")){t.howMany+=e.howMany;t.splitPosition=t.splitPosition._getTransformedByDeletion(e.sourcePosition,e.howMany);t.insertionPosition=lg.getInsertionPosition(t.splitPosition);return[t]}if(!e.sourcePosition.isEqual(e.targetPosition)){if(t.splitPosition.hasSameParentAs(e.sourcePosition)&&t.splitPosition.offset<=e.sourcePosition.offset){t.howMany-=e.howMany}if(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\";if(t.graveyardPosition){t.insertionPosition=t.insertionPosition._getTransformedByMoveOperation(e)}else{t.insertionPosition=lg.getInsertionPosition(t.splitPosition)}return[t]});bk(lg,lg,(t,e,n)=>{if(t.splitPosition.isEqual(e.splitPosition)){if(!t.graveyardPosition&&!e.graveyardPosition){return[new Ng(0)]}if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition)){return[new Ng(0)]}if(n.abRelation==\"splitBefore\"){t.howMany=0;t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e);return[t]}}if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition)){const i=t.splitPosition.root.rootName==\"$graveyard\";const o=e.splitPosition.root.rootName==\"$graveyard\";const s=i&&!o;const r=o&&!i;const a=r||!s&&n.aIsStrong;if(a){const n=[];if(e.howMany){n.push(new ig(e.moveTargetPosition,e.howMany,e.splitPosition,0))}if(t.howMany){n.push(new ig(t.splitPosition,t.howMany,t.moveTargetPosition,0))}return n}else{return[new Ng(0)]}}if(t.graveyardPosition){t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e)}if(t.splitPosition.isEqual(e.insertionPosition)&&n.abRelation==\"splitBefore\"){t.howMany++;return[t]}if(e.splitPosition.isEqual(t.insertionPosition)&&n.baRelation==\"splitBefore\"){const n=e.insertionPosition.path.slice();n.push(0);const i=new qh(e.insertionPosition.root,n);const o=new ig(t.insertionPosition,1,i,0);return[t,o]}if(t.splitPosition.hasSameParentAs(e.splitPosition)&&t.splitPosition.offset<e.splitPosition.offset){t.howMany-=e.howMany}t.splitPosition=t.splitPosition._getTransformedBySplitOperation(e);t.insertionPosition=lg.getInsertionPosition(t.splitPosition);return[t]});function Pk(t,e){return t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany)===null}function Sk(t,e){const n=[];for(let i=0;i<t.length;i++){const o=t[i];const s=new ig(o.start,o.end.offset-o.start.offset,e,0);n.push(s);for(let e=i+1;e<t.length;e++){t[e]=t[e]._getTransformedByMove(s.sourcePosition,s.targetPosition,s.howMany)[0]}e=e._getTransformedByMove(s.sourcePosition,s.targetPosition,s.howMany)}return n}class Ek extends zw{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;const 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 i=this.editor.model;const o=i.document;const s=[];for(const e of t){const t=Mk(e,n);const i=t.find(t=>t.start.root!=o.graveyard);if(i){s.push(i)}}if(s.length){i.change(t=>{t.setSelection(s,{backward:e})})}}_undo(t,e){const n=this.editor.model;const i=n.document;this._createdBatches.add(e);const o=t.operations.slice().filter(t=>t.isDocumentOperation);o.reverse();for(const t of o){const o=t.baseVersion+1;const s=Array.from(i.history.getOperations(o));const r=vk([t.getReversed()],s,{useRelations:true,document:this.editor.model.document,padWithNoOps:false,forceWeakRemove:true});const a=r.operationsA;for(const o of a){e.addOperation(o);n.applyOperation(o);i.history.setOperationAsUndone(t,o)}}}}function Mk(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];const i=n[t];if(e.end.isTouching(i.start)){e.end=i.end;n.splice(t,1);t--}}return n}class Ik extends Ek{execute(t=null){const e=t?this._stack.findIndex(e=>e.batch==t):this._stack.length-1;const n=this._stack.splice(e,1)[0];const i=this.editor.model.createBatch(\"transparent\");this.editor.model.enqueueChange(i,()=>{this._undo(n.batch,i);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,i)});this.refresh()}}class Nk extends Ek{execute(){const t=this._stack.pop();const e=this.editor.model.createBatch(\"transparent\");this.editor.model.enqueueChange(e,()=>{const n=t.batch.operations[t.batch.operations.length-1];const i=n.baseVersion+1;const o=this.editor.model.document.history.getOperations(i);this._restoreSelection(t.selection.ranges,t.selection.isBackward,o);this._undo(t.batch,e)});this.refresh()}}class Ok extends Dw{static get pluginName(){return\"UndoEditing\"}constructor(t){super(t);this._batchRegistry=new WeakSet}init(){const t=this.editor;this._undoCommand=new Ik(t);this._redoCommand=new Nk(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 i=n.batch;const o=this._redoCommand._createdBatches.has(i);const s=this._undoCommand._createdBatches.has(i);const r=this._batchRegistry.has(i);if(r||i.type==\"transparent\"&&!o&&!s){return}else{if(o){this._undoCommand.addBatch(i)}else if(!s){this._undoCommand.addBatch(i);this._redoCommand.clearStack()}}this._batchRegistry.add(i)},{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 Rk='<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>';var Dk='<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 Lk extends Dw{init(){const t=this.editor;const e=t.locale;const n=t.t;const i=e.uiLanguageDirection==\"ltr\"?Rk:Dk;const o=e.uiLanguageDirection==\"ltr\"?Dk:Rk;this._addButton(\"undo\",n(\"Undo\"),\"CTRL+Z\",i);this._addButton(\"redo\",n(\"Redo\"),\"CTRL+Y\",o)}_addButton(t,e,n,i){const o=this.editor;o.ui.componentFactory.add(t,s=>{const r=o.commands.get(t);const a=new sw(s);a.set({label:e,icon:i,keystroke:n,tooltip:true});a.bind(\"isEnabled\").to(r,\"isEnabled\");this.listenTo(a,\"execute\",()=>{o.execute(t);o.editing.view.focus()});return a})}}class zk extends Dw{static get requires(){return[Ok,Lk]}static get pluginName(){return\"Undo\"}}class Vk extends Dw{static get requires(){return[N_,V_,K_,W_,gk,zk]}static get pluginName(){return\"Essentials\"}}class jk extends zw{refresh(){const t=this.editor.model;const e=t.document;const n=jw(e.selection.getSelectedBlocks());this.value=!!n&&n.is(\"paragraph\");this.isEnabled=!!n&&Bk(n,t.schema)}execute(t={}){const e=this.editor.model;const n=e.document;e.change(i=>{const o=(t.selection||n.selection).getSelectedBlocks();for(const t of o){if(!t.is(\"paragraph\")&&Bk(t,e.schema)){i.rename(t,\"paragraph\")}}})}}function Bk(t,e){return e.checkChild(t.parent,\"paragraph\")&&!e.isObject(t)}class Fk extends Dw{static get pluginName(){return\"Paragraph\"}init(){const t=this.editor;const e=t.model;const n=t.data;t.commands.add(\"paragraph\",new jk(t));e.schema.register(\"paragraph\",{inheritAllFrom:\"$block\"});t.conversion.elementToElement({model:\"paragraph\",view:\"p\"});t.conversion.for(\"upcast\").elementToElement({model:(t,e)=>{if(!Fk.paragraphLikeElements.has(t.name)){return null}if(t.isEmpty){return null}return e.createElement(\"paragraph\")},converterPriority:\"low\"});n.upcastDispatcher.on(\"element\",(t,e,n)=>{if(!n.consumable.test(e.viewItem,{name:e.viewItem.name})){return}if(Uk(e.viewItem,e.modelCursor,n.schema)){Object.assign(e,Hk(e.viewItem,e.modelCursor,n))}},{priority:\"low\"});n.upcastDispatcher.on(\"text\",(t,e,n)=>{if(e.modelRange){return}if(Uk(e.viewItem,e.modelCursor,n.schema)){Object.assign(e,Hk(e.viewItem,e.modelCursor,n))}},{priority:\"lowest\"});e.document.registerPostFixer(t=>this._autoparagraphEmptyRoots(t));t.data.on(\"ready\",()=>{e.enqueueChange(\"transparent\",t=>this._autoparagraphEmptyRoots(t))},{priority:\"lowest\"})}_autoparagraphEmptyRoots(t){const e=this.editor.model;for(const n of e.document.getRootNames()){const i=e.document.getRoot(n);if(i.isEmpty&&i.rootName!=\"$graveyard\"){if(e.schema.checkChild(i,\"paragraph\")){t.insertElement(\"paragraph\",i);return true}}}}}Fk.paragraphLikeElements=new Set([\"blockquote\",\"dd\",\"div\",\"dt\",\"h1\",\"h2\",\"h3\",\"h4\",\"h5\",\"h6\",\"li\",\"p\",\"td\"]);function Hk(t,e,n){const i=n.writer.createElement(\"paragraph\");n.writer.insert(i,e);return n.convertItem(t,n.writer.createPositionAt(i,0))}function Uk(t,e,n){const i=n.createContext(e);if(!n.checkChild(i,\"paragraph\")){return false}if(!n.checkChild(i.push(\"paragraph\"),t)){return false}return true}class Wk extends zw{constructor(t,e){super(t);this.modelElements=e}refresh(){const t=jw(this.editor.model.document.selection.getSelectedBlocks());this.value=!!t&&this.modelElements.includes(t.name)&&t.name;this.isEnabled=!!t&&this.modelElements.some(e=>qk(t,e,this.editor.model.schema))}execute(t){const e=this.editor.model;const n=e.document;const i=t.value;e.change(t=>{const o=Array.from(n.selection.getSelectedBlocks()).filter(t=>qk(t,i,e.schema));for(const e of o){if(!e.is(i)){t.rename(e,i)}}})}}function qk(t,e,n){return n.checkChild(t.parent,e)&&!n.isObject(t)}const $k=\"paragraph\";class Yk extends Dw{static get pluginName(){return\"HeadingEditing\"}constructor(t){super(t);t.config.define(\"heading\",{options:[{model:\"paragraph\",title:\"Paragraph\",class:\"ck-heading_paragraph\"},{model:\"heading1\",view:\"h2\",title:\"Heading 1\",class:\"ck-heading_heading1\"},{model:\"heading2\",view:\"h3\",title:\"Heading 2\",class:\"ck-heading_heading2\"},{model:\"heading3\",view:\"h4\",title:\"Heading 3\",class:\"ck-heading_heading3\"}]})}static get requires(){return[Fk]}init(){const t=this.editor;const e=t.config.get(\"heading.options\");const n=[];for(const i of e){if(i.model!==$k){t.model.schema.register(i.model,{inheritAllFrom:\"$block\"});t.conversion.elementToElement(i);n.push(i.model)}}this._addDefaultH1Conversion(t);t.commands.add(\"heading\",new Wk(t,n))}afterInit(){const t=this.editor;const e=t.commands.get(\"enter\");const n=t.config.get(\"heading.options\");if(e){this.listenTo(e,\"afterExecute\",(e,i)=>{const o=t.model.document.selection.getFirstPosition().parent;const s=n.some(t=>o.is(t.model));if(s&&!o.is($k)&&o.childCount===0){i.writer.rename(o,$k)}})}}_addDefaultH1Conversion(t){t.conversion.for(\"upcast\").elementToElement({model:\"heading1\",view:\"h1\",converterPriority:or.get(\"low\")+1})}}class Gk{constructor(t,e){if(e){qc(this,e)}if(t){this.set(t)}}}yr(Gk,Kc);function Qk(t){const e=t.t;const n={Paragraph:e(\"Paragraph\"),\"Heading 1\":e(\"Heading 1\"),\"Heading 2\":e(\"Heading 2\"),\"Heading 3\":e(\"Heading 3\"),\"Heading 4\":e(\"Heading 4\"),\"Heading 5\":e(\"Heading 5\"),\"Heading 6\":e(\"Heading 6\")};return t.config.get(\"heading.options\").map(t=>{const e=n[t.title];if(e&&e!=t.title){t.title=e}return t})}var Kk=n(11);class Jk extends Dw{init(){const t=this.editor;const e=t.t;const n=Qk(t);const i=e(\"Choose heading\");const o=e(\"Heading\");t.ui.componentFactory.add(\"heading\",e=>{const s={};const r=new xr;const a=t.commands.get(\"heading\");const c=t.commands.get(\"paragraph\");const l=[a];for(const t of n){const e={type:\"button\",model:new Gk({label:t.title,class:t.class,withText:true})};if(t.model===\"paragraph\"){e.model.bind(\"isOn\").to(c,\"value\");e.model.set(\"commandName\",\"paragraph\");l.push(c)}else{e.model.bind(\"isOn\").to(a,\"value\",e=>e===t.model);e.model.set({commandName:\"heading\",commandValue:t.model})}r.add(e);s[t.model]=t.title}const d=bw(e);_w(d,r);d.buttonView.set({isOn:false,withText:true,tooltip:o});d.extendTemplate({attributes:{class:[\"ck-heading-dropdown\"]}});d.bind(\"isEnabled\").toMany(l,\"isEnabled\",(...t)=>t.some(t=>t));d.buttonView.bind(\"label\").to(a,\"value\",c,\"value\",(t,e)=>{const n=t||e&&\"paragraph\";return s[n]?s[n]:i});this.listenTo(d,\"execute\",e=>{t.execute(e.source.commandName,e.source.commandValue?{value:e.source.commandValue}:undefined);t.editing.view.focus()});return d})}}class Zk extends Dw{static get requires(){return[Yk,Jk]}static get pluginName(){return\"Heading\"}}class Xk{constructor(){this._stack=[]}add(t,e){const n=this._stack;const i=n[0];this._insertDescriptor(t);const o=n[0];if(i!==o&&!tv(i,o)){this.fire(\"change:top\",{oldDescriptor:i,newDescriptor:o,writer:e})}}remove(t,e){const n=this._stack;const i=n[0];this._removeDescriptor(t);const o=n[0];if(i!==o&&!tv(i,o)){this.fire(\"change:top\",{oldDescriptor:i,newDescriptor:o,writer:e})}}_insertDescriptor(t){const e=this._stack;const n=e.findIndex(e=>e.id===t.id);if(tv(t,e[n])){return}if(n>-1){e.splice(n,1)}let i=0;while(e[i]&&ev(e[i],t)){i++}e.splice(i,0,t)}_removeDescriptor(t){const e=this._stack;const n=e.findIndex(e=>e.id===t);if(n>-1){e.splice(n,1)}}}yr(Xk,dr);function tv(t,e){return t&&e&&t.priority==e.priority&&nv(t.classes)==nv(e.classes)}function ev(t,e){if(t.priority>e.priority){return true}else if(t.priority<e.priority){return false}return nv(t.classes)>nv(e.classes)}function nv(t){return Array.isArray(t)?t.sort().join(\",\"):t}var iv='<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>';const ov=\"ck-widget\";const sv=\"ck-widget_selected\";function rv(t){if(!t.is(\"element\")){return false}return!!t.getCustomProperty(\"widget\")}function av(t,e,n={}){e.setAttribute(\"contenteditable\",\"false\",t);e.addClass(ov,t);e.setCustomProperty(\"widget\",true,t);t.getFillerOffset=mv;if(n.label){lv(t,n.label,e)}if(n.hasSelectionHandle){gv(t,e)}cv(t,e,(t,e,n)=>n.addClass(i(e.classes),t),(t,e,n)=>n.removeClass(i(e.classes),t));return t;function i(t){return Array.isArray(t)?t:[t]}}function cv(t,e,n,i){const o=new Xk;o.on(\"change:top\",(e,o)=>{if(o.oldDescriptor){i(t,o.oldDescriptor,o.writer)}if(o.newDescriptor){n(t,o.newDescriptor,o.writer)}});e.setCustomProperty(\"addHighlight\",(t,e,n)=>o.add(e,n),t);e.setCustomProperty(\"removeHighlight\",(t,e,n)=>o.remove(e,n),t)}function lv(t,e,n){n.setCustomProperty(\"widgetLabel\",e,t)}function dv(t){const e=t.getCustomProperty(\"widgetLabel\");if(!e){return\"\"}return typeof e==\"function\"?e():e}function uv(t,e){e.addClass([\"ck-editor__editable\",\"ck-editor__nested-editable\"],t);e.setAttribute(\"contenteditable\",t.isReadOnly?\"false\":\"true\",t);t.on(\"change:isReadOnly\",(n,i,o)=>{e.setAttribute(\"contenteditable\",o?\"false\":\"true\",t)});t.on(\"change:isFocused\",(n,i,o)=>{if(o){e.addClass(\"ck-editor__nested-editable_focused\",t)}else{e.removeClass(\"ck-editor__nested-editable_focused\",t)}});return t}function hv(t,e){const n=t.getSelectedElement();if(n&&e.schema.isBlock(n)){return e.createPositionAfter(n)}const i=t.getSelectedBlocks().next().value;if(i){if(i.isEmpty){return e.createPositionAt(i,0)}const n=e.createPositionAfter(i);if(t.focus.isTouching(n)){return n}return e.createPositionBefore(i)}return t.focus}function fv(t,e){return(n,i)=>{const{mapper:o,viewPosition:s}=i;const r=o.findMappedViewAncestor(s);if(!e(r)){return}const a=o.toModelElement(r);i.modelPosition=t.createPositionAt(a,s.isAtStart?\"before\":\"after\")}}function mv(){return null}function gv(t,e){const n=e.createUIElement(\"div\",{class:\"ck ck-widget__selection-handle\"},(function(t){const e=this.toDomElement(t);const n=new ew;n.set(\"content\",iv);n.render();e.appendChild(n.element);return e}));e.insert(e.createPositionAt(t,0),n);e.addClass([\"ck-widget_with-selection-handle\"],t)}class pv extends zw{refresh(){this.isEnabled=bv(this.editor.model)}execute(){const t=this.editor.model;t.change(e=>{const n=e.createElement(\"horizontalLine\");t.insertContent(n);let i=n.nextSibling;const o=i&&t.schema.checkChild(i,\"$text\");if(!o&&t.schema.checkChild(n.parent,\"paragraph\")){i=e.createElement(\"paragraph\");t.insertContent(i,e.createPositionAfter(n))}if(i){e.setSelection(i,0)}})}}function bv(t){const e=t.schema;const n=t.document.selection;return wv(n,e,t)&&!_v(n,e)}function wv(t,e,n){const i=kv(t,n);return e.checkChild(i,\"horizontalLine\")}function _v(t,e){const n=t.getSelectedElement();return n&&e.isObject(n)}function kv(t,e){const n=hv(t,e);const i=n.parent;if(i.isEmpty&&!i.is(\"$root\")){return i.parent}return i}var vv=n(46);class yv extends Dw{static get pluginName(){return\"HorizontalLineEditing\"}init(){const t=this.editor;const e=t.model.schema;const n=t.t;const i=t.conversion;e.register(\"horizontalLine\",{isObject:true,allowWhere:\"$block\"});i.for(\"dataDowncast\").elementToElement({model:\"horizontalLine\",view:(t,e)=>e.createEmptyElement(\"hr\")});i.for(\"editingDowncast\").elementToElement({model:\"horizontalLine\",view:(t,e)=>{const i=n(\"Horizontal line\");const o=e.createContainerElement(\"div\");const s=e.createEmptyElement(\"hr\");e.addClass(\"ck-horizontal-line\",o);e.setCustomProperty(\"hr\",true,o);e.insert(e.createPositionAt(o,0),s);return xv(o,e,i)}});i.for(\"upcast\").elementToElement({view:\"hr\",model:\"horizontalLine\"});t.commands.add(\"horizontalLine\",new pv(t))}}function xv(t,e,n){e.setCustomProperty(\"horizontalLine\",true,t);return av(t,e,{label:n})}var Av='<svg viewBox=\"0 0 20 20\" xmlns=\"http://www.w3.org/2000/svg\"><path d=\"M2 9h16v2H2z\"/></svg>';class Tv extends Dw{init(){const t=this.editor;const e=t.t;t.ui.componentFactory.add(\"horizontalLine\",n=>{const i=t.commands.get(\"horizontalLine\");const o=new sw(n);o.set({label:e(\"Horizontal line\"),icon:Av,tooltip:true});o.bind(\"isEnabled\").to(i,\"isEnabled\");this.listenTo(o,\"execute\",()=>{t.execute(\"horizontalLine\");t.editing.view.focus()});return o})}}class Cv extends Dw{static get requires(){return[yv,Tv]}static get pluginName(){return\"HorizontalLine\"}}class Pv extends Yd{observe(t){this.listenTo(t,\"load\",(t,e)=>{const n=e.target;if(n.tagName==\"IMG\"){this._fireEvents(e)}},{useCapture:true})}_fireEvents(t){if(this.isEnabled){this.document.fire(\"layoutChanged\");this.document.fire(\"imageLoaded\",t)}}}function Sv(t,e,n){e.setCustomProperty(\"image\",true,t);return av(t,e,{label:i});function i(){const e=Rv(t);const i=e.getAttribute(\"alt\");return i?`${i} ${n}`:n}}function Ev(t){return!!t.getCustomProperty(\"image\")&&rv(t)}function Mv(t){const e=t.getSelectedElement();if(e&&Ev(e)){return e}return null}function Iv(t){return!!t&&t.is(\"image\")}function Nv(t,e,n={}){const i=t.createElement(\"image\",n);const o=hv(e.document.selection,e);e.insertContent(i,o);if(i.parent){t.setSelection(i,\"on\")}}function Ov(t){const e=t.schema;const n=t.document.selection;return Dv(n,e,t)&&!Lv(n,e)&&zv(n)}function Rv(t){return Array.from(t.getChildren()).find(t=>t.is(\"img\"))}function Dv(t,e,n){const i=Vv(t,n);return e.checkChild(i,\"image\")}function Lv(t,e){const n=t.getSelectedElement();return n&&e.isObject(n)}function zv(t){return[...t.focus.getAncestors()].every(t=>!t.is(\"image\"))}function Vv(t,e){const n=hv(t,e);const i=n.parent;if(i.isEmpty&&!i.is(\"$root\")){return i.parent}return i}function jv(){return e=>{e.on(\"element:figure\",t)};function t(t,e,n){if(!n.consumable.test(e.viewItem,{name:true,classes:\"image\"})){return}const i=Rv(e.viewItem);if(!i||!i.hasAttribute(\"src\")||!n.consumable.test(i,{name:true})){return}const o=n.convertItem(i,e.modelCursor);const s=jw(o.modelRange.getItems());if(!s){return}n.convertChildren(e.viewItem,n.writer.createPositionAt(s,0));e.modelRange=o.modelRange;e.modelCursor=o.modelCursor}}function Bv(){return e=>{e.on(\"attribute:srcset:image\",t)};function t(t,e,n){if(!n.consumable.consume(e.item,t.name)){return}const i=n.writer;const o=n.mapper.toViewElement(e.item);const s=Rv(o);if(e.attributeNewValue===null){const t=e.attributeOldValue;if(t.data){i.removeAttribute(\"srcset\",s);i.removeAttribute(\"sizes\",s);if(t.width){i.removeAttribute(\"width\",s)}}}else{const t=e.attributeNewValue;if(t.data){i.setAttribute(\"srcset\",t.data,s);i.setAttribute(\"sizes\",\"100vw\",s);if(t.width){i.setAttribute(\"width\",t.width,s)}}}}}function Fv(t){return n=>{n.on(`attribute:${t}:image`,e)};function e(t,e,n){if(!n.consumable.consume(e.item,t.name)){return}const i=n.writer;const o=n.mapper.toViewElement(e.item);const s=Rv(o);if(e.attributeNewValue!==null){i.setAttribute(e.attributeKey,e.attributeNewValue,s)}else{i.removeAttribute(e.attributeKey,s)}}}class Hv extends zw{refresh(){this.isEnabled=Ov(this.editor.model)}execute(t){const e=this.editor.model;e.change(n=>{const i=Array.isArray(t.source)?t.source:[t.source];for(const t of i){Nv(n,e,{src:t})}})}}class Uv extends Dw{static get pluginName(){return\"ImageEditing\"}init(){const t=this.editor;const e=t.model.schema;const n=t.t;const i=t.conversion;t.editing.view.addObserver(Pv);e.register(\"image\",{isObject:true,isBlock:true,allowWhere:\"$block\",allowAttributes:[\"alt\",\"src\",\"srcset\"]});i.for(\"dataDowncast\").elementToElement({model:\"image\",view:(t,e)=>Wv(e)});i.for(\"editingDowncast\").elementToElement({model:\"image\",view:(t,e)=>Sv(Wv(e),e,n(\"image widget\"))});i.for(\"downcast\").add(Fv(\"src\")).add(Fv(\"alt\")).add(Bv());i.for(\"upcast\").elementToElement({view:{name:\"img\",attributes:{src:true}},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\")};if(t.hasAttribute(\"width\")){e.width=t.getAttribute(\"width\")}return e}}}).add(jv());t.commands.add(\"imageInsert\",new Hv(t))}}function Wv(t){const e=t.createEmptyElement(\"img\");const n=t.createContainerElement(\"figure\",{class:\"image\"});t.insert(t.createPositionAt(n,0),e);return n}class qv extends Qu{constructor(t){super(t);this.domEventType=\"mousedown\"}onDomEvent(t){this.fire(t.type,t)}}var $v=n(48);class Yv extends Dw{static get pluginName(){return\"Widget\"}init(){const t=this.editor.editing.view;const e=t.document;this._previouslySelected=new Set;this.editor.editing.downcastDispatcher.on(\"selection\",(t,e,n)=>{this._clearPreviouslySelectedWidgets(n.writer);const i=n.writer;const o=i.document.selection;const s=o.getSelectedElement();let r=null;for(const t of o.getRanges()){for(const e of t){const t=e.item;if(rv(t)&&!Kv(t,r)){i.addClass(sv,t);this._previouslySelected.add(t);r=t;if(t==s){i.setSelection(o.getRanges(),{fake:true,label:dv(s)})}}}}},{priority:\"low\"});t.addObserver(qv);this.listenTo(e,\"mousedown\",(...t)=>this._onMousedown(...t));this.listenTo(e,\"keydown\",(...t)=>this._onKeydown(...t),{priority:\"high\"});this.listenTo(e,\"delete\",(t,e)=>{if(this._handleDelete(e.direction==\"forward\")){e.preventDefault();t.stop()}},{priority:\"high\"})}_onMousedown(t,e){const n=this.editor;const i=n.editing.view;const o=i.document;let s=e.target;if(Qv(s)){if(Cl.isSafari&&e.domEvent.detail>=3){const t=n.editing.mapper;const i=t.toModelElement(s);this.editor.model.change(t=>{e.preventDefault();t.setSelection(i,\"in\")})}return}if(!rv(s)){s=s.findAncestor(rv);if(!s){return}}e.preventDefault();if(!o.isFocused){i.focus()}const r=n.editing.mapper.toModelElement(s);this._setSelectionOverElement(r)}_onKeydown(t,e){const n=e.keyCode;const i=this.editor.locale.contentLanguageDirection===\"ltr\";const o=n==Rl.arrowdown||n==Rl[i?\"arrowright\":\"arrowleft\"];let s=false;if(Gv(n)){s=this._handleArrowKeys(o)}else if(n===Rl.enter){s=this._handleEnterKey(e.shiftKey)}if(s){e.preventDefault();t.stop()}}_handleDelete(t){if(this.editor.isReadOnly){return}const e=this.editor.model.document;const n=e.selection;if(!n.isCollapsed){return}const i=this._getObjectElementNextToSelection(t);if(i){this.editor.model.change(t=>{let e=n.anchor.parent;while(e.isEmpty){const n=e;e=n.parent;t.remove(n)}this._setSelectionOverElement(i)});return true}}_handleArrowKeys(t){const e=this.editor.model;const n=e.schema;const i=e.document;const o=i.selection;const s=o.getSelectedElement();if(s&&n.isObject(s)){const i=t?o.getLastPosition():o.getFirstPosition();const s=n.getNearestSelectionRange(i,t?\"forward\":\"backward\");if(s){e.change(t=>{t.setSelection(s)})}return true}if(!o.isCollapsed){return}const r=this._getObjectElementNextToSelection(t);if(!!r&&n.isObject(r)){this._setSelectionOverElement(r);return true}}_handleEnterKey(t){const e=this.editor.model;const n=e.document.selection;const i=n.getSelectedElement();if(Jv(i,e.schema)){e.change(n=>{let o=n.createPositionAt(i,t?\"before\":\"after\");const s=n.createElement(\"paragraph\");if(e.schema.isBlock(i.parent)){const t=e.schema.findAllowedParent(o,s);o=n.split(o,t).position}n.insert(s,o);n.setSelection(s,\"in\")});return true}}_setSelectionOverElement(t){this.editor.model.change(e=>{e.setSelection(e.createRangeOn(t))})}_getObjectElementNextToSelection(t){const e=this.editor.model;const n=e.schema;const i=e.document.selection;const o=e.createSelection(i);e.modifySelection(o,{direction:t?\"forward\":\"backward\"});const s=t?o.focus.nodeBefore:o.focus.nodeAfter;if(!!s&&n.isObject(s)){return s}return null}_clearPreviouslySelectedWidgets(t){for(const e of this._previouslySelected){t.removeClass(sv,e)}this._previouslySelected.clear()}}function Gv(t){return t==Rl.arrowright||t==Rl.arrowleft||t==Rl.arrowup||t==Rl.arrowdown}function Qv(t){while(t){if(t.is(\"editableElement\")&&!t.is(\"rootElement\")){return true}if(rv(t)){return false}t=t.parent}return false}function Kv(t,e){if(!e){return false}return Array.from(t.getAncestors()).includes(e)}function Jv(t,e){return t&&e.isObject(t)&&!e.isInline(t)}class Zv extends zw{refresh(){const t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=Iv(t);if(Iv(t)&&t.hasAttribute(\"alt\")){this.value=t.getAttribute(\"alt\")}else{this.value=false}}execute(t){const e=this.editor.model;const n=e.document.selection.getSelectedElement();e.change(e=>{e.setAttribute(\"alt\",t.newValue,n)})}}class Xv extends Dw{static get pluginName(){return\"ImageTextAlternativeEditing\"}init(){this.editor.commands.add(\"imageTextAlternative\",new Zv(this.editor))}}var ty=n(50);class ey extends _b{constructor(t,e){super(t);const n=`ck-labeled-field-view-${nr()}`;const i=`ck-labeled-field-view-status-${nr()}`;this.fieldView=e(this,n,i);this.set(\"label\");this.set(\"isEnabled\",true);this.set(\"errorText\",null);this.set(\"infoText\",null);this.set(\"class\");this.labelView=this._createLabelView(n);this.statusView=this._createStatusView(i);this.bind(\"_statusText\").to(this,\"errorText\",this,\"infoText\",(t,e)=>t||e);const o=this.bindTemplate;this.setTemplate({tag:\"div\",attributes:{class:[\"ck\",\"ck-labeled-field-view\",o.to(\"class\"),o.if(\"isEnabled\",\"ck-disabled\",t=>!t)]},children:[this.labelView,this.fieldView,this.statusView]})}_createLabelView(t){const e=new Sb(this.locale);e.for=t;e.bind(\"text\").to(this,\"label\");return e}_createStatusView(t){const e=new _b(this.locale);const n=this.bindTemplate;e.setTemplate({tag:\"div\",attributes:{class:[\"ck\",\"ck-labeled-field-view__status\",n.if(\"errorText\",\"ck-labeled-field-view__status_error\"),n.if(\"_statusText\",\"ck-hidden\",t=>!t)],id:t,role:n.if(\"errorText\",\"alert\")},children:[{text:n.to(\"_statusText\")}]});return e}focus(){this.fieldView.focus()}}var ny=n(52);class iy extends _b{constructor(t){super(t);this.set(\"value\");this.set(\"id\");this.set(\"placeholder\");this.set(\"isReadOnly\",false);this.set(\"hasError\",false);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\",true),\"aria-describedby\":e.to(\"ariaDescribedById\")},on:{input:e.to(\"input\")}})}render(){super.render();const t=t=>{this.element.value=!t&&t!==0?\"\":t};t(this.value);this.on(\"change:value\",(e,n,i)=>{t(i)})}select(){this.element.select()}focus(){this.element.focus()}}function oy(t,e,n){const i=new iy(t.locale);i.set({id:e,ariaDescribedById:n});i.bind(\"isReadOnly\").to(t,\"isEnabled\",t=>!t);i.bind(\"hasError\").to(t,\"errorText\",t=>!!t);i.on(\"input\",()=>{t.errorText=null});return i}function sy(t,e,n){const i=bw(t.locale);i.set({id:e,ariaDescribedById:n});i.bind(\"isEnabled\").to(t);return i}function ry({view:t}){t.listenTo(t.element,\"submit\",(e,n)=>{n.preventDefault();t.fire(\"submit\")},{useCapture:true})}var ay='<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>';var cy='<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>';var ly=n(54);class dy extends _b{constructor(t){super(t);const e=this.locale.t;this.focusTracker=new Pp;this.keystrokes=new mp;this.labeledInput=this._createLabeledInputView();this.saveButtonView=this._createButton(e(\"Save\"),ay,\"ck-button-save\");this.saveButtonView.type=\"submit\";this.cancelButtonView=this._createButton(e(\"Cancel\"),cy,\"ck-button-cancel\",\"cancel\");this._focusables=new Up;this._focusCycler=new Lb({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);ry({view:this});[this.labeledInput,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t);this.focusTracker.add(t.element)})}_createButton(t,e,n,i){const o=new sw(this.locale);o.set({label:t,icon:e,tooltip:true});o.extendTemplate({attributes:{class:n}});if(i){o.delegate(\"execute\").to(this,i)}return o}_createLabeledInputView(){const t=this.locale.t;const e=new ey(this.locale,oy);e.label=t(\"Text alternative\");e.fieldView.placeholder=t(\"Text alternative\");return e}}var uy=n(56);const hy=Nb(\"px\");const fy=Nd.document.body;class my extends _b{constructor(t){super(t);const e=this.bindTemplate;this.set(\"top\",0);this.set(\"left\",0);this.set(\"position\",\"arrow_nw\");this.set(\"isVisible\",false);this.set(\"withArrow\",true);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\",hy),left:e.to(\"left\",hy)}},children:this.content})}show(){this.isVisible=true}hide(){this.isVisible=false}attachTo(t){this.show();const e=my.defaultPositions;const 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:fy,fitInViewport:true},t);const i=my._getOptimalPosition(n);const o=parseInt(i.left);const s=parseInt(i.top);const r=i.name;Object.assign(this,{top:s,left:o,position:r})}pin(t){this.unpin();this._pinWhenIsVisibleCallback=()=>{if(this.isVisible){this._startPinning(t)}else{this._stopPinning()}};this._startPinning(t);this.listenTo(this,\"change:isVisible\",this._pinWhenIsVisibleCallback)}unpin(){if(this._pinWhenIsVisibleCallback){this._stopPinning();this.stopListening(this,\"change:isVisible\",this._pinWhenIsVisibleCallback);this._pinWhenIsVisibleCallback=null;this.hide()}}_startPinning(t){this.attachTo(t);const e=gy(t.target);const n=t.limiter?gy(t.limiter):fy;this.listenTo(Nd.document,\"scroll\",(i,o)=>{const s=o.target;const r=e&&s.contains(e);const a=n&&s.contains(n);if(r||a||!e||!n){this.attachTo(t)}},{useCapture:true});this.listenTo(Nd.window,\"resize\",()=>{this.attachTo(t)})}_stopPinning(){this.stopListening(Nd.document,\"scroll\");this.stopListening(Nd.window,\"resize\")}}function gy(t){if(Gs(t)){return t}if(wh(t)){return t.commonAncestorContainer}if(typeof t==\"function\"){return gy(t())}return null}my.arrowHorizontalOffset=25;my.arrowVerticalOffset=10;my._getOptimalPosition=$b;my.defaultPositions={northWestArrowSouthWest:(t,e)=>({top:py(t,e),left:t.left-my.arrowHorizontalOffset,name:\"arrow_sw\"}),northWestArrowSouthMiddleWest:(t,e)=>({top:py(t,e),left:t.left-e.width*.25-my.arrowHorizontalOffset,name:\"arrow_smw\"}),northWestArrowSouth:(t,e)=>({top:py(t,e),left:t.left-e.width/2,name:\"arrow_s\"}),northWestArrowSouthMiddleEast:(t,e)=>({top:py(t,e),left:t.left-e.width*.75+my.arrowHorizontalOffset,name:\"arrow_sme\"}),northWestArrowSouthEast:(t,e)=>({top:py(t,e),left:t.left-e.width+my.arrowHorizontalOffset,name:\"arrow_se\"}),northArrowSouthWest:(t,e)=>({top:py(t,e),left:t.left+t.width/2-my.arrowHorizontalOffset,name:\"arrow_sw\"}),northArrowSouthMiddleWest:(t,e)=>({top:py(t,e),left:t.left+t.width/2-e.width*.25-my.arrowHorizontalOffset,name:\"arrow_smw\"}),northArrowSouth:(t,e)=>({top:py(t,e),left:t.left+t.width/2-e.width/2,name:\"arrow_s\"}),northArrowSouthMiddleEast:(t,e)=>({top:py(t,e),left:t.left+t.width/2-e.width*.75+my.arrowHorizontalOffset,name:\"arrow_sme\"}),northArrowSouthEast:(t,e)=>({top:py(t,e),left:t.left+t.width/2-e.width+my.arrowHorizontalOffset,name:\"arrow_se\"}),northEastArrowSouthWest:(t,e)=>({top:py(t,e),left:t.right-my.arrowHorizontalOffset,name:\"arrow_sw\"}),northEastArrowSouthMiddleWest:(t,e)=>({top:py(t,e),left:t.right-e.width*.25-my.arrowHorizontalOffset,name:\"arrow_smw\"}),northEastArrowSouth:(t,e)=>({top:py(t,e),left:t.right-e.width/2,name:\"arrow_s\"}),northEastArrowSouthMiddleEast:(t,e)=>({top:py(t,e),left:t.right-e.width*.75+my.arrowHorizontalOffset,name:\"arrow_sme\"}),northEastArrowSouthEast:(t,e)=>({top:py(t,e),left:t.right-e.width+my.arrowHorizontalOffset,name:\"arrow_se\"}),southWestArrowNorthWest:(t,e)=>({top:by(t,e),left:t.left-my.arrowHorizontalOffset,name:\"arrow_nw\"}),southWestArrowNorthMiddleWest:(t,e)=>({top:by(t,e),left:t.left-e.width*.25-my.arrowHorizontalOffset,name:\"arrow_nmw\"}),southWestArrowNorth:(t,e)=>({top:by(t,e),left:t.left-e.width/2,name:\"arrow_n\"}),southWestArrowNorthMiddleEast:(t,e)=>({top:by(t,e),left:t.left-e.width*.75+my.arrowHorizontalOffset,name:\"arrow_nme\"}),southWestArrowNorthEast:(t,e)=>({top:by(t,e),left:t.left-e.width+my.arrowHorizontalOffset,name:\"arrow_ne\"}),southArrowNorthWest:(t,e)=>({top:by(t,e),left:t.left+t.width/2-my.arrowHorizontalOffset,name:\"arrow_nw\"}),southArrowNorthMiddleWest:(t,e)=>({top:by(t,e),left:t.left+t.width/2-e.width*.25-my.arrowHorizontalOffset,name:\"arrow_nmw\"}),southArrowNorth:(t,e)=>({top:by(t,e),left:t.left+t.width/2-e.width/2,name:\"arrow_n\"}),southArrowNorthMiddleEast:(t,e)=>({top:by(t,e),left:t.left+t.width/2-e.width*.75+my.arrowHorizontalOffset,name:\"arrow_nme\"}),southArrowNorthEast:(t,e)=>({top:by(t,e),left:t.left+t.width/2-e.width+my.arrowHorizontalOffset,name:\"arrow_ne\"}),southEastArrowNorthWest:(t,e)=>({top:by(t,e),left:t.right-my.arrowHorizontalOffset,name:\"arrow_nw\"}),southEastArrowNorthMiddleWest:(t,e)=>({top:by(t,e),left:t.right-e.width*.25-my.arrowHorizontalOffset,name:\"arrow_nmw\"}),southEastArrowNorth:(t,e)=>({top:by(t,e),left:t.right-e.width/2,name:\"arrow_n\"}),southEastArrowNorthMiddleEast:(t,e)=>({top:by(t,e),left:t.right-e.width*.75+my.arrowHorizontalOffset,name:\"arrow_nme\"}),southEastArrowNorthEast:(t,e)=>({top:by(t,e),left:t.right-e.width+my.arrowHorizontalOffset,name:\"arrow_ne\"})};function py(t,e){return t.top-e.height-my.arrowVerticalOffset}function by(t){return t.bottom+my.arrowVerticalOffset}var wy='<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>';var _y='<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>';var ky=n(58);var vy=n(60);const yy=Nb(\"px\");class xy extends Dw{static get pluginName(){return\"ContextualBalloon\"}constructor(t){super(t);this.positionLimiter=()=>{const t=this.editor.editing.view;const e=t.document;const n=e.selection.editableElement;if(n){return t.domConverter.mapViewToDom(n.root)}return null};this.set(\"visibleView\",null);this.view=new my(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\",false);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 rr[\"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)){this._idToStack.set(e,new Map([[t.view,t]]));this._viewToStack.set(t.view,this._idToStack.get(e));this._numberOfStacks=this._idToStack.size;if(!this._visibleStack||t.singleViewMode){this.showStack(e)}return}const n=this._idToStack.get(e);if(t.singleViewMode){this.showStack(e)}n.set(t.view,t);this._viewToStack.set(t.view,n);if(n===this._visibleStack){this._showView(t)}}remove(t){if(!this.hasView(t)){throw new rr[\"b\"](\"contextualballoon-remove-view-not-exist: Cannot remove the configuration of a non-existent view.\",[this,t])}const e=this._viewToStack.get(t);if(this._singleViewMode&&this.visibleView===t){this._singleViewMode=false}if(this.visibleView===t){if(e.size===1){if(this._idToStack.size>1){this._showNextStack()}else{this.view.hide();this.visibleView=null;this._rotatorView.hideView()}}else{this._showView(Array.from(e.values())[e.size-2])}}if(e.size===1){this._idToStack.delete(this._getStackId(e));this._numberOfStacks=this._idToStack.size}else{e.delete(t)}this._viewToStack.delete(t)}updatePosition(t){if(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 rr[\"b\"](\"contextualballoon-showstack-stack-not-exist: Cannot show a stack that does not exist.\",this)}if(this._visibleStack===e){return}this._showView(Array.from(e.values()).pop())}get _visibleStack(){return this._viewToStack.get(this.visibleView)}_getStackId(t){const e=Array.from(this._idToStack.entries()).find(e=>e[1]===t);return e[0]}_showNextStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)+1;if(!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;if(!t[e]){e=t.length-1}this.showStack(this._getStackId(t[e]))}_createRotatorView(){const t=new Ay(this.editor.locale);const e=this.editor.locale.t;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 i=Array.from(this._idToStack.values()).indexOf(this._visibleStack)+1;return e(\"%0 of %1\",[i,n])});t.buttonNextView.on(\"execute\",()=>{if(t.focusTracker.isFocused){this.editor.editing.view.focus()}this._showNextStack()});t.buttonPrevView.on(\"execute\",()=>{if(t.focusTracker.isFocused){this.editor.editing.view.focus()}this._showPrevStack()});return t}_createFakePanelsView(){const t=new Ty(this.editor.locale,this.view);t.bind(\"numberOfPanels\").to(this,\"_numberOfStacks\",this,\"_singleViewMode\",(t,e)=>{const n=!e&&t>=2;return n?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);return t}_showView({view:t,balloonClassName:e=\"\",withArrow:n=true,singleViewMode:i=false}){this.view.class=e;this.view.withArrow=n;this._rotatorView.showView(t);this.visibleView=t;this.view.pin(this._getBalloonPosition());this._fakePanelsView.updatePosition();if(i){this._singleViewMode=true}}_getBalloonPosition(){let t=Array.from(this._visibleStack.values()).pop().position;if(t&&!t.limiter){t=Object.assign({},t,{limiter:this.positionLimiter})}return t}}class Ay extends _b{constructor(t){super(t);const e=t.t;const n=this.bindTemplate;this.set(\"isNavigationVisible\",true);this.focusTracker=new Pp;this.buttonPrevView=this._createButtonView(e(\"Previous\"),wy);this.buttonNextView=this._createButtonView(e(\"Next\"),_y);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 sw(this.locale);n.set({label:t,icon:e,tooltip:true});return n}}class Ty extends _b{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\",yy),left:n.to(\"left\",yy),width:n.to(\"width\",yy),height:n.to(\"height\",yy)}},children:this.content});this.on(\"change:numberOfPanels\",(t,e,n,i)=>{if(n>i){this._addPanels(n-i)}else{this._removePanels(i-n)}this.updatePosition()})}_addPanels(t){while(t--){const t=new _b;t.setTemplate({tag:\"div\"});this.content.add(t);this.registerChild(t)}}_removePanels(t){while(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;const{width:n,height:i}=new vh(this._balloonPanelView.element);Object.assign(this,{top:t,left:e,width:n,height:i})}}}var Cy='<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 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n=my.defaultPositions;return{target:e.domConverter.viewToDom(e.document.selection.getSelectedElement()),positions:[n.northArrowSouth,n.northArrowSouthWest,n.northArrowSouthEast,n.southArrowNorth,n.southArrowNorthWest,n.southArrowNorthEast]}}class Ey extends Dw{static get requires(){return[xy]}static get pluginName(){return\"ImageTextAlternativeUI\"}init(){this._createButton();this._createForm()}destroy(){super.destroy();this._form.destroy()}_createButton(){const t=this.editor;const e=t.t;t.ui.componentFactory.add(\"imageTextAlternative\",n=>{const i=t.commands.get(\"imageTextAlternative\");const o=new sw(n);o.set({label:e(\"Change image text alternative\"),icon:Cy,tooltip:true});o.bind(\"isEnabled\").to(i,\"isEnabled\");this.listenTo(o,\"execute\",()=>{this._showForm()});return o})}_createForm(){const t=this.editor;const e=t.editing.view;const n=e.document;this._balloon=this.editor.plugins.get(\"ContextualBalloon\");this._form=new dy(t.locale);this._form.render();this.listenTo(this._form,\"submit\",()=>{t.execute(\"imageTextAlternative\",{newValue:this._form.labeledInput.fieldView.element.value});this._hideForm(true)});this.listenTo(this._form,\"cancel\",()=>{this._hideForm(true)});this._form.keystrokes.set(\"Esc\",(t,e)=>{this._hideForm(true);e()});this.listenTo(t.ui,\"update\",()=>{if(!Mv(n.selection)){this._hideForm(true)}else if(this._isVisible){Py(t)}});mw({emitter:this._form,activator:()=>this._isVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideForm()})}_showForm(){if(this._isVisible){return}const t=this.editor;const e=t.commands.get(\"imageTextAlternative\");const n=this._form.labeledInput;if(!this._isInBalloon){this._balloon.add({view:this._form,position:Sy(t)})}n.fieldView.value=n.fieldView.element.value=e.value||\"\";this._form.labeledInput.fieldView.select()}_hideForm(t){if(!this._isInBalloon){return}if(this._form.focusTracker.isFocused){this._form.saveButtonView.focus()}this._balloon.remove(this._form);if(t){this.editor.editing.view.focus()}}get _isVisible(){return this._balloon.visibleView===this._form}get _isInBalloon(){return this._balloon.hasView(this._form)}}class My extends Dw{static get requires(){return[Xv,Ey]}static get pluginName(){return\"ImageTextAlternative\"}}var Iy=n(62);class Ny extends Dw{static get requires(){return[Uv,Yv,My]}static get pluginName(){return\"Image\"}}function Oy(t,e){return n=>{const i=n.createEditableElement(\"figcaption\");n.setCustomProperty(\"imageCaption\",true,i);Op({view:t,element:i,text:e});return uv(i,n)}}function Ry(t){return!!t.getCustomProperty(\"imageCaption\")}function Dy(t){for(const e of t.getChildren()){if(!!e&&e.is(\"caption\")){return e}}return null}function Ly(t){const e=t.parent;if(t.name==\"figcaption\"&&e&&e.name==\"figure\"&&e.hasClass(\"image\")){return{name:true}}return null}class zy extends Dw{static get pluginName(){return\"ImageCaptionEditing\"}init(){const t=this.editor;const e=t.editing.view;const n=t.model.schema;const i=t.data;const o=t.editing;const s=t.t;n.register(\"caption\",{allowIn:\"image\",allowContentOf:\"$block\",isLimit:true});t.model.document.registerPostFixer(t=>this._insertMissingModelCaptionElement(t));t.conversion.for(\"upcast\").elementToElement({view:Ly,model:\"caption\"});const r=t=>t.createContainerElement(\"figcaption\");i.downcastDispatcher.on(\"insert:caption\",Vy(r,false));const a=Oy(e,s(\"Enter image caption\"));o.downcastDispatcher.on(\"insert:caption\",Vy(a));o.downcastDispatcher.on(\"insert\",this._fixCaptionVisibility(t=>t.item),{priority:\"high\"});o.downcastDispatcher.on(\"remove\",this._fixCaptionVisibility(t=>t.position.parent),{priority:\"high\"});e.document.registerPostFixer(t=>this._updateCaptionVisibility(t))}_updateCaptionVisibility(t){const e=this.editor.editing.mapper;const n=this._lastSelectedCaption;let i;const o=this.editor.model.document.selection;const s=o.getSelectedElement();if(s&&s.is(\"image\")){const t=Dy(s);i=e.toViewElement(t)}const r=o.getFirstPosition();const a=By(r.parent);if(a){i=e.toViewElement(a)}if(i){if(n){if(n===i){return Hy(i,t)}else{Fy(n,t);this._lastSelectedCaption=i;return Hy(i,t)}}else{this._lastSelectedCaption=i;return Hy(i,t)}}else{if(n){const e=Fy(n,t);this._lastSelectedCaption=null;return e}else{return false}}}_fixCaptionVisibility(t){return(e,n,i)=>{const o=t(n);const s=By(o);const r=this.editor.editing.mapper;const a=i.writer;if(s){const t=r.toViewElement(s);if(t){if(s.childCount){a.removeClass(\"ck-hidden\",t)}else{a.addClass(\"ck-hidden\",t)}}}}}_insertMissingModelCaptionElement(t){const e=this.editor.model;const n=e.document.differ.getChanges();const i=[];for(const t of n){if(t.type==\"insert\"&&t.name!=\"$text\"){const n=t.position.nodeAfter;if(n.is(\"image\")&&!Dy(n)){i.push(n)}if(!n.is(\"image\")&&n.childCount){for(const t of e.createRangeIn(n).getItems()){if(t.is(\"image\")&&!Dy(t)){i.push(t)}}}}}for(const e of i){t.appendElement(\"caption\",e)}return!!i.length}}function Vy(t,e=true){return(n,i,o)=>{const s=i.item;if(!s.childCount&&!e){return}if(Iv(s.parent)){if(!o.consumable.consume(i.item,\"insert\")){return}const e=o.mapper.toViewElement(i.range.start.parent);const n=t(o.writer);const r=o.writer;if(!s.childCount){r.addClass(\"ck-hidden\",n)}jy(n,i.item,e,o)}}}function jy(t,e,n,i){const o=i.writer.createPositionAt(n,\"end\");i.writer.insert(o,t);i.mapper.bindElements(e,t)}function By(t){const e=t.getAncestors({includeSelf:true});const n=e.find(t=>t.name==\"caption\");if(n&&n.parent&&n.parent.name==\"image\"){return n}return null}function Fy(t,e){if(!t.childCount&&!t.hasClass(\"ck-hidden\")){e.addClass(\"ck-hidden\",t);return true}return false}function Hy(t,e){if(t.hasClass(\"ck-hidden\")){e.removeClass(\"ck-hidden\",t);return true}return false}var Uy=n(64);class Wy extends Dw{static get requires(){return[zy]}static get pluginName(){return\"ImageCaption\"}}class qy{constructor(t){this.set(\"activeHandlePosition\",null);this.set(\"proposedWidthPercents\",null);this.set(\"proposedWidth\",null);this.set(\"proposedHeight\",null);this.set(\"proposedHandleHostWidth\",null);this.set(\"proposedHandleHostHeight\",null);this._options=t;this._referenceCoordinates=null}begin(t,e,n){const i=new vh(e);this.activeHandlePosition=Qy(t);this._referenceCoordinates=Yy(e,Ky(this.activeHandlePosition));this.originalWidth=i.width;this.originalHeight=i.height;this.aspectRatio=i.width/i.height;const o=n.style.width;if(o&&o.match(/^\\d+\\.?\\d*%$/)){this.originalWidthPercents=parseFloat(o)}else{this.originalWidthPercents=$y(n,i)}}update(t){this.proposedWidth=t.width;this.proposedHeight=t.height;this.proposedWidthPercents=t.widthPercents;this.proposedHandleHostWidth=t.handleHostWidth;this.proposedHandleHostHeight=t.handleHostHeight}}yr(qy,Kc);function $y(t,e){const n=t.parentElement;const i=parseFloat(n.ownerDocument.defaultView.getComputedStyle(n).width);return e.width/i*100}function Yy(t,e){const n=new vh(t);const i=e.split(\"-\");const o={x:i[1]==\"right\"?n.right:n.left,y:i[0]==\"bottom\"?n.bottom:n.top};o.x+=t.ownerDocument.defaultView.scrollX;o.y+=t.ownerDocument.defaultView.scrollY;return o}function Gy(t){return`ck-widget__resizer__handle-${t}`}function Qy(t){const e=[\"top-left\",\"top-right\",\"bottom-right\",\"bottom-left\"];for(const n of e){if(t.classList.contains(Gy(n))){return n}}}function Ky(t){const e=t.split(\"-\");const n={top:\"bottom\",bottom:\"top\",left:\"right\",right:\"left\"};return`${n[e[0]]}-${n[e[1]]}`}class Jy{constructor(t){this._options=t;this._domResizerWrapper=null;this._viewResizerWrapper=null;this.set(\"isEnabled\",true);this.decorate(\"begin\");this.decorate(\"cancel\");this.decorate(\"commit\");this.decorate(\"updateSize\");this.on(\"commit\",t=>{if(!this.state.proposedWidth&&!this.state.proposedWidthPercents){this._cleanup();t.stop()}},{priority:\"high\"})}attach(){const t=this;const e=this._options.viewElement;const n=this._options.editor.editing.view;n.change(n=>{const i=n.createUIElement(\"div\",{class:\"ck ck-reset_all ck-widget__resizer\"},(function(e){const n=this.toDomElement(e);t._appendHandles(n);t._appendSizeUI(n);t._domResizerWrapper=n;t.on(\"change:isEnabled\",(t,e,i)=>{n.style.display=i?\"\":\"none\"});n.style.display=t.isEnabled?\"\":\"none\";return n}));n.insert(n.createPositionAt(e,\"end\"),i);n.addClass(\"ck-widget_with-resizer\",e);this._viewResizerWrapper=i})}begin(t){this.state=new qy(this._options);this._sizeUI.bindToState(this._options,this.state);this._initialViewWidth=this._options.viewElement.getStyle(\"width\");this.state.begin(t,this._getHandleHost(),this._getResizeHost())}updateSize(t){const e=this._proposeNewSize(t);const n=this._options.editor.editing.view;n.change(t=>{const n=this._options.unit||\"%\";const i=(n===\"%\"?e.widthPercents:e.width)+n;t.setStyle(\"width\",i,this._options.viewElement)});const i=this._getHandleHost();const o=new vh(i);e.handleHostWidth=Math.round(o.width);e.handleHostHeight=Math.round(o.height);const s=new vh(i);e.width=Math.round(s.width);e.height=Math.round(s.height);this.redraw(o);this.state.update(e)}commit(){const t=this._options.unit||\"%\";const e=(t===\"%\"?this.state.proposedWidthPercents:this.state.proposedWidth)+t;this._options.editor.editing.view.change(()=>{this._cleanup();this._options.onCommit(e)})}cancel(){this._cleanup()}destroy(){this.cancel()}redraw(t){const e=this._domResizerWrapper;if(n(e)){this._options.editor.editing.view.change(n=>{const i=e.parentElement;const o=this._getHandleHost();const s=t||new vh(o);n.setStyle(\"width\",s.width+\"px\",this._viewResizerWrapper);n.setStyle(\"height\",s.height+\"px\",this._viewResizerWrapper);const r={left:o.offsetLeft,top:o.offsetTop,height:o.offsetHeight,width:o.offsetWidth};if(!i.isSameNode(o)){n.setStyle(\"left\",r.left+\"px\",this._viewResizerWrapper);n.setStyle(\"top\",r.top+\"px\",this._viewResizerWrapper);n.setStyle(\"height\",r.height+\"px\",this._viewResizerWrapper);n.setStyle(\"width\",r.width+\"px\",this._viewResizerWrapper)}})}function n(t){return t&&t.ownerDocument&&t.ownerDocument.contains(t)}}containsHandle(t){return this._domResizerWrapper.contains(t)}static isResizeHandle(t){return t.classList.contains(\"ck-widget__resizer__handle\")}_cleanup(){this._sizeUI.dismiss();this._sizeUI.isVisible=false;const t=this._options.editor.editing.view;t.change(t=>{t.setStyle(\"width\",this._initialViewWidth,this._options.viewElement)})}_proposeNewSize(t){const e=this.state;const n=tx(t);const i=this._options.isCentered?this._options.isCentered(this):true;const o={x:e._referenceCoordinates.x-(n.x+e.originalWidth),y:n.y-e.originalHeight-e._referenceCoordinates.y};if(i&&e.activeHandlePosition.endsWith(\"-right\")){o.x=n.x-(e._referenceCoordinates.x+e.originalWidth)}if(i){o.x*=2}const s={width:Math.abs(e.originalWidth+o.x),height:Math.abs(e.originalHeight+o.y)};s.dominant=s.width/e.aspectRatio>s.height?\"width\":\"height\";s.max=s[s.dominant];const r={width:s.width,height:s.height};if(s.dominant==\"width\"){r.height=r.width/e.aspectRatio}else{r.width=r.height*e.aspectRatio}return{width:Math.round(r.width),height:Math.round(r.height),widthPercents:Math.min(Math.round(e.originalWidthPercents/e.originalWidth*r.width*100)/100,100)}}_getResizeHost(){const t=this._domResizerWrapper.parentElement;return this._options.getResizeHost(t)}_getHandleHost(){const t=this._domResizerWrapper.parentElement;return this._options.getHandleHost(t)}_appendHandles(t){const e=[\"top-left\",\"top-right\",\"bottom-right\",\"bottom-left\"];for(const n of e){t.appendChild(new $p({tag:\"div\",attributes:{class:`ck-widget__resizer__handle ${Xy(n)}`}}).render())}}_appendSizeUI(t){const e=new Zy;e.render();this._sizeUI=e;t.appendChild(e.element)}}yr(Jy,Kc);class Zy extends _b{constructor(){super();const t=this.bindTemplate;this.setTemplate({tag:\"div\",attributes:{class:[\"ck\",\"ck-size-view\",t.to(\"activeHandlePosition\",t=>t?`ck-orientation-${t}`:\"\")],style:{display:t.if(\"isVisible\",\"none\",t=>!t)}},children:[{text:t.to(\"label\")}]})}bindToState(t,e){this.bind(\"isVisible\").to(e,\"proposedWidth\",e,\"proposedHeight\",(t,e)=>t!==null&&e!==null);this.bind(\"label\").to(e,\"proposedHandleHostWidth\",e,\"proposedHandleHostHeight\",e,\"proposedWidthPercents\",(e,n,i)=>{if(t.unit===\"px\"){return`${e}×${n}`}else{return`${i}%`}});this.bind(\"activeHandlePosition\").to(e)}dismiss(){this.unbind();this.isVisible=false}}function Xy(t){return`ck-widget__resizer__handle-${t}`}function tx(t){return{x:t.pageX,y:t.pageY}}var ex=\"Expected a function\";function nx(t,e,n){var i=true,o=true;if(typeof t!=\"function\"){throw new TypeError(ex)}if(ct(n)){i=\"leading\"in n?!!n.leading:i;o=\"trailing\"in n?!!n.trailing:o}return uh(t,e,{leading:i,maxWait:e,trailing:o})}var ix=nx;var ox=n(66);class sx extends Dw{static get pluginName(){return\"WidgetResize\"}init(){this.set(\"_visibleResizer\",null);this.set(\"_activeResizer\",null);this._resizers=new Map;const t=Nd.window.document;this.editor.model.schema.setAttributeProperties(\"width\",{isFormatting:true});this._observer=Object.create(Wd);this._observer.listenTo(t,\"mousedown\",this._mouseDownListener.bind(this));this._observer.listenTo(t,\"mousemove\",this._mouseMoveListener.bind(this));this._observer.listenTo(t,\"mouseup\",this._mouseUpListener.bind(this));const e=()=>{if(this._visibleResizer){this._visibleResizer.redraw()}};const n=ix(e,200);this.on(\"change:_visibleResizer\",e);this.editor.ui.on(\"update\",n);this._observer.listenTo(Nd.window,\"resize\",n);const i=this.editor.editing.view.document.selection;i.on(\"change\",()=>{const t=i.getSelectedElement();this._visibleResizer=this._getResizerByViewElement(t)||null})}destroy(){this._observer.stopListening();for(const t of this._resizers.values()){t.destroy()}}attachTo(t){const e=new Jy(t);const n=this.editor.plugins;e.attach();if(n.has(\"WidgetToolbarRepository\")){const t=n.get(\"WidgetToolbarRepository\");e.on(\"begin\",()=>{t.forceDisabled(\"resize\")},{priority:\"lowest\"});e.on(\"cancel\",()=>{t.clearForceDisabled(\"resize\")},{priority:\"highest\"});e.on(\"commit\",()=>{t.clearForceDisabled(\"resize\")},{priority:\"highest\"})}this._resizers.set(t.viewElement,e);return e}_getResizerByHandle(t){for(const e of this._resizers.values()){if(e.containsHandle(t)){return e}}}_getResizerByViewElement(t){return this._resizers.get(t)}_mouseDownListener(t,e){if(!Jy.isResizeHandle(e.target)){return}const n=e.target;this._activeResizer=this._getResizerByHandle(n);if(this._activeResizer){this._activeResizer.begin(n)}}_mouseMoveListener(t,e){if(this._activeResizer){this._activeResizer.updateSize(e)}}_mouseUpListener(){if(this._activeResizer){this._activeResizer.commit();this._activeResizer=null}}}yr(sx,Kc);class rx extends zw{refresh(){const t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=Iv(t);if(!t||!t.hasAttribute(\"width\")){this.value=null}else{this.value={width:t.getAttribute(\"width\"),height:null}}}execute(t){const e=this.editor.model;const n=e.document.selection.getSelectedElement();e.change(e=>{e.setAttribute(\"width\",t.width,n)})}}var ax=n(68);class cx extends Dw{static get requires(){return[sx]}static get pluginName(){return\"ImageResize\"}init(){const t=this.editor;const e=new rx(t);this._registerSchema();this._registerConverters();t.commands.add(\"imageResize\",e);t.editing.downcastDispatcher.on(\"insert:image\",(n,i,o)=>{const s=o.mapper.toViewElement(i.item);const r=t.plugins.get(sx).attachTo({unit:t.config.get(\"image.resizeUnit\")||\"%\",modelElement:i.item,viewElement:s,editor:t,getHandleHost(t){return t.querySelector(\"img\")},getResizeHost(t){return t},isCentered(){const t=i.item.getAttribute(\"imageStyle\");return!t||t==\"full\"||t==\"alignCenter\"},onCommit(e){t.execute(\"imageResize\",{width:e})}});r.on(\"updateSize\",()=>{if(!s.hasClass(\"image_resized\")){t.editing.view.change(t=>{t.addClass(\"image_resized\",s)})}});r.bind(\"isEnabled\").to(e)},{priority:\"low\"})}_registerSchema(){this.editor.model.schema.extend(\"image\",{allowAttributes:\"width\"})}_registerConverters(){const t=this.editor;t.conversion.for(\"downcast\").add(t=>t.on(\"attribute:width:image\",(t,e,n)=>{if(!n.consumable.consume(e.item,t.name)){return}const i=n.writer;const o=n.mapper.toViewElement(e.item);if(e.attributeNewValue!==null){i.setStyle(\"width\",e.attributeNewValue,o);i.addClass(\"image_resized\",o)}else{i.removeStyle(\"width\",o);i.removeClass(\"image_resized\",o)}}));t.conversion.for(\"upcast\").attributeToAttribute({view:{name:\"figure\",styles:{width:/.+/}},model:{key:\"width\",value:t=>t.getStyle(\"width\")}})}}class lx extends zw{constructor(t,e){super(t);this.defaultStyle=false;this.styles=e.reduce((t,e)=>{t[e.name]=e;if(e.isDefault){this.defaultStyle=e.name}return t},{})}refresh(){const t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=Iv(t);if(!t){this.value=false}else if(t.hasAttribute(\"imageStyle\")){const e=t.getAttribute(\"imageStyle\");this.value=this.styles[e]?e:false}else{this.value=this.defaultStyle}}execute(t){const e=t.value;const n=this.editor.model;const i=n.document.selection.getSelectedElement();n.change(t=>{if(this.styles[e].isDefault){t.removeAttribute(\"imageStyle\",i)}else{t.setAttribute(\"imageStyle\",e,i)}})}}function dx(t){return(e,n,i)=>{if(!i.consumable.consume(n.item,e.name)){return}const o=hx(n.attributeNewValue,t);const s=hx(n.attributeOldValue,t);const r=i.mapper.toViewElement(n.item);const a=i.writer;if(s){a.removeClass(s.className,r)}if(o){a.addClass(o.className,r)}}}function ux(t){const e=t.filter(t=>!t.isDefault);return(t,n,i)=>{if(!n.modelRange){return}const o=n.viewItem;const s=jw(n.modelRange.getItems());if(!i.schema.checkAttribute(s,\"imageStyle\")){return}for(const t of e){if(i.consumable.consume(o,{classes:t.className})){i.writer.setAttribute(\"imageStyle\",t.name,s)}}}}function hx(t,e){for(const n of e){if(n.name===t){return n}}}var fx='<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>';var mx='<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>';var gx='<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>';var px='<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 bx={full:{name:\"full\",title:\"Full size image\",icon:fx,isDefault:true},side:{name:\"side\",title:\"Side image\",icon:px,className:\"image-style-side\"},alignLeft:{name:\"alignLeft\",title:\"Left aligned image\",icon:mx,className:\"image-style-align-left\"},alignCenter:{name:\"alignCenter\",title:\"Centered image\",icon:gx,className:\"image-style-align-center\"},alignRight:{name:\"alignRight\",title:\"Right aligned image\",icon:px,className:\"image-style-align-right\"}};const wx={full:fx,left:mx,right:px,center:gx};function _x(t=[]){return t.map(kx)}function kx(t){if(typeof t==\"string\"){const e=t;if(bx[e]){t=Object.assign({},bx[e])}else{console.warn(Object(rr[\"a\"])(\"image-style-not-found: There is no such image style of given name.\"),{name:e});t={name:e}}}else if(bx[t.name]){const e=bx[t.name];const n=Object.assign({},t);for(const i in e){if(!t.hasOwnProperty(i)){n[i]=e[i]}}t=n}if(typeof t.icon==\"string\"&&wx[t.icon]){t.icon=wx[t.icon]}return t}class vx extends Dw{static get pluginName(){return\"ImageStyleEditing\"}init(){const t=this.editor;const e=t.model.schema;const n=t.data;const i=t.editing;t.config.define(\"image.styles\",[\"full\",\"side\"]);const o=_x(t.config.get(\"image.styles\"));e.extend(\"image\",{allowAttributes:\"imageStyle\"});const s=dx(o);i.downcastDispatcher.on(\"attribute:imageStyle:image\",s);n.downcastDispatcher.on(\"attribute:imageStyle:image\",s);n.upcastDispatcher.on(\"element:figure\",ux(o),{priority:\"low\"});t.commands.add(\"imageStyle\",new lx(t,o))}}var yx=n(70);class xx extends Dw{static get pluginName(){return\"ImageStyleUI\"}get localizedDefaultStylesTitles(){const t=this.editor.t;return{\"Full size image\":t(\"Full size image\"),\"Side image\":t(\"Side image\"),\"Left aligned image\":t(\"Left aligned image\"),\"Centered image\":t(\"Centered image\"),\"Right aligned image\":t(\"Right aligned image\")}}init(){const t=this.editor;const e=t.config.get(\"image.styles\");const n=Ax(_x(e),this.localizedDefaultStylesTitles);for(const t of n){this._createButton(t)}}_createButton(t){const e=this.editor;const n=`imageStyle:${t.name}`;e.ui.componentFactory.add(n,n=>{const i=e.commands.get(\"imageStyle\");const o=new sw(n);o.set({label:t.title,icon:t.icon,tooltip:true,isToggleable:true});o.bind(\"isEnabled\").to(i,\"isEnabled\");o.bind(\"isOn\").to(i,\"value\",e=>e===t.name);this.listenTo(o,\"execute\",()=>{e.execute(\"imageStyle\",{value:t.name});e.editing.view.focus()});return o})}}function Ax(t,e){for(const n of t){if(e[n.title]){n.title=e[n.title]}}return t}class Tx extends Dw{static get requires(){return[vx,xx]}static get pluginName(){return\"ImageStyle\"}}class Cx extends Dw{static get requires(){return[xy]}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=>{if(Ex(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:i,balloonClassName:o=\"ck-toolbar-container\"}){const s=this.editor;const r=s.t;const a=new Cw(s.locale);a.ariaLabel=e||r(\"Widget toolbar\");if(this._toolbarDefinitions.has(t)){throw new rr[\"b\"](\"widget-toolbar-duplicated: Toolbar with the given id was already added.\",this,{toolbarId:t})}a.fillFromConfig(n,s.ui.componentFactory);this._toolbarDefinitions.set(t,{view:a,getRelatedElement:i,balloonClassName:o})}_updateToolbarsVisibility(){let t=0;let e=null;let n=null;for(const i of this._toolbarDefinitions.values()){const o=i.getRelatedElement(this.editor.editing.view.document.selection);if(!this.isEnabled||!o){if(this._isToolbarInBalloon(i)){this._hideToolbar(i)}}else if(!this.editor.ui.focusTracker.isFocused){if(this._isToolbarVisible(i)){this._hideToolbar(i)}}else{const s=o.getAncestors().length;if(s>t){t=s;e=o;n=i}}}if(n){this._showToolbar(n,e)}}_hideToolbar(t){this._balloon.remove(t.view);this.stopListening(this._balloon,\"change:visibleView\")}_showToolbar(t,e){if(this._isToolbarVisible(t)){Px(this.editor,e)}else if(!this._isToolbarInBalloon(t)){this._balloon.add({view:t.view,position:Sx(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);Px(this.editor,e)}}})}}_isToolbarVisible(t){return this._balloon.visibleView===t.view}_isToolbarInBalloon(t){return this._balloon.hasView(t.view)}}function Px(t,e){const n=t.plugins.get(\"ContextualBalloon\");const i=Sx(t,e);n.updatePosition(i)}function Sx(t,e){const n=t.editing.view;const i=my.defaultPositions;return{target:n.domConverter.mapViewToDom(e),positions:[i.northArrowSouth,i.northArrowSouthWest,i.northArrowSouthEast,i.southArrowNorth,i.southArrowNorthWest,i.southArrowNorthEast]}}function Ex(t){const e=t.getSelectedElement();return!!(e&&rv(e))}class Mx extends Dw{static get requires(){return[Cx]}static get pluginName(){return\"ImageToolbar\"}afterInit(){const t=this.editor;const e=t.t;const n=t.plugins.get(Cx);n.register(\"image\",{ariaLabel:e(\"Image toolbar\"),items:t.config.get(\"image.toolbar\")||[],getRelatedElement:Mv})}}class Ix extends _b{constructor(t){super(t);this.buttonView=new sw(t);this._fileInputView=new Nx(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 Nx extends _b{constructor(t){super(t);this.set(\"acceptedType\");this.set(\"allowMultipleFiles\",false);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(()=>{if(this.element&&this.element.files&&this.element.files.length){this.fire(\"done\",this.element.files)}this.element.value=\"\"})}})}open(){this.element.click()}}var Ox='<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>';function Rx(t){const e=t.map(t=>t.replace(\"+\",\"\\\\+\"));return new RegExp(`^image\\\\/(${e.join(\"|\")})$`)}function Dx(t){return new Promise((e,n)=>{const i=t.getAttribute(\"src\");fetch(i).then(t=>t.blob()).then(t=>{const n=zx(t,i);const o=n.replace(\"image/\",\"\");const s=`image.${o}`;const r=new File([t],s,{type:n});e(r)}).catch(n)})}function Lx(t){if(!t.is(\"element\",\"img\")||!t.getAttribute(\"src\")){return false}return t.getAttribute(\"src\").match(/^data:image\\/\\w+;base64,/g)||t.getAttribute(\"src\").match(/^blob:/g)}function zx(t,e){if(t.type){return t.type}else if(e.match(/data:(image\\/\\w+);base64/)){return e.match(/data:(image\\/\\w+);base64/)[1].toLowerCase()}else{return\"image/jpeg\"}}class Vx extends Dw{init(){const t=this.editor;const e=t.t;t.ui.componentFactory.add(\"imageUpload\",n=>{const i=new Ix(n);const o=t.commands.get(\"imageUpload\");const s=t.config.get(\"image.upload.types\");const r=Rx(s);i.set({acceptedType:s.map(t=>`image/${t}`).join(\",\"),allowMultipleFiles:true});i.buttonView.set({label:e(\"Insert image\"),icon:Ox,tooltip:true});i.buttonView.bind(\"isEnabled\").to(o);i.on(\"done\",(e,n)=>{const i=Array.from(n).filter(t=>r.test(t.type));if(i.length){t.execute(\"imageUpload\",{file:i})}});return i})}}class jx{constructor(t){this.context=t}destroy(){this.stopListening()}static get isContextPlugin(){return true}}yr(jx,Kc);class Bx extends jx{static get pluginName(){return\"PendingActions\"}init(){this.set(\"hasAny\",false);this._actions=new xr({idProperty:\"_id\"});this._actions.delegate(\"add\",\"remove\").to(this)}add(t){if(typeof t!==\"string\"){throw new rr[\"b\"](\"pendingactions-add-invalid-message: The message must be a string.\",this)}const e=Object.create(Kc);e.set(\"message\",t);this._actions.add(e);this.hasAny=true;return 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 Fx{constructor(){const t=new window.FileReader;this._reader=t;this._data=undefined;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;this.total=t.size;return new Promise((n,i)=>{e.onload=()=>{const t=e.result;this._data=t;n(t)};e.onerror=()=>{i(\"error\")};e.onabort=()=>{i(\"aborted\")};this._reader.readAsDataURL(t)})}abort(){this._reader.abort()}}yr(Fx,Kc);class Hx extends Dw{static get pluginName(){return\"FileRepository\"}static get requires(){return[Bx]}init(){this.loaders=new xr;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){console.warn(Object(rr[\"a\"])(\"filerepository-no-upload-adapter: Upload adapter is not defined.\"));return null}const e=new Ux(Promise.resolve(t),this.createUploadAdapter);this.loaders.add(e);this._loadersMap.set(t,e);if(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){if(e.uploadTotal){t+=e.uploadTotal}}this.uploadTotal=t});return e}destroyLoader(t){const e=t instanceof Ux?t:this.getLoader(t);e._destroy();this.loaders.remove(e);this._loadersMap.forEach((t,n)=>{if(t===e){this._loadersMap.delete(n)}})}_updatePendingAction(){const t=this.editor.plugins.get(Bx);if(this.loaders.length){if(!this._pendingAction){const e=this.editor.t;const n=t=>`${e(\"Upload in progress\")} ${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}}}yr(Hx,Kc);class Ux{constructor(t,e){this.id=nr();this._filePromiseWrapper=this._createFilePromiseWrapper(t);this._adapter=e(this);this._reader=new Fx;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(){if(!this._filePromiseWrapper){return Promise.resolve(null)}else{return this._filePromiseWrapper.promise.then(t=>this._filePromiseWrapper?t:null)}}get data(){return this._reader.data}read(){if(this.status!=\"idle\"){throw new rr[\"b\"](\"filerepository-read-wrong-status: You cannot call read if the status is different than idle.\",this)}this.status=\"reading\";return this.file.then(t=>this._reader.read(t)).then(t=>{if(this.status!==\"reading\"){throw this.status}this.status=\"idle\";return t}).catch(t=>{if(t===\"aborted\"){this.status=\"aborted\";throw\"aborted\"}this.status=\"error\";throw this._reader.error?this._reader.error:t})}upload(){if(this.status!=\"idle\"){throw new rr[\"b\"](\"filerepository-upload-wrong-status: You cannot call upload if the status is different than idle.\",this)}this.status=\"uploading\";return this.file.then(()=>this._adapter.upload()).then(t=>{this.uploadResponse=t;this.status=\"idle\";return t}).catch(t=>{if(this.status===\"aborted\"){throw\"aborted\"}this.status=\"error\";throw t})}abort(){const t=this.status;this.status=\"aborted\";if(!this._filePromiseWrapper.isFulfilled){this._filePromiseWrapper.promise.catch(()=>{});this._filePromiseWrapper.rejecter(\"aborted\")}else if(t==\"reading\"){this._reader.abort()}else if(t==\"uploading\"&&this._adapter.abort){this._adapter.abort()}this._destroy()}_destroy(){this._filePromiseWrapper=undefined;this._reader=undefined;this._adapter=undefined;this.uploadResponse=undefined}_createFilePromiseWrapper(t){const e={};e.promise=new Promise((n,i)=>{e.rejecter=i;e.isFulfilled=false;t.then(t=>{e.isFulfilled=true;n(t)}).catch(t=>{e.isFulfilled=true;i(t)})});return e}}yr(Ux,Kc);var Wx='<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 700 250\"><rect rx=\"4\"/></svg>';var qx=n(72);var $x=n(74);var Yx=n(76);class Gx extends Dw{constructor(t){super(t);this.placeholder=\"data:image/svg+xml;utf8,\"+encodeURIComponent(Wx)}init(){const t=this.editor;t.editing.downcastDispatcher.on(\"attribute:uploadStatus:image\",(...t)=>this.uploadStatusChange(...t))}uploadStatusChange(t,e,n){const i=this.editor;const o=e.item;const s=o.getAttribute(\"uploadId\");if(!n.consumable.consume(e.item,t.name)){return}const r=i.plugins.get(Hx);const a=s?e.attributeNewValue:null;const c=this.placeholder;const l=i.editing.mapper.toViewElement(o);const d=n.writer;if(a==\"reading\"){Qx(l,d);Jx(c,l,d);return}if(a==\"uploading\"){const t=r.loaders.get(s);Qx(l,d);if(!t){Jx(c,l,d)}else{Zx(l,d);Xx(l,d,t,i.editing.view);rA(l,d,t)}return}if(a==\"complete\"&&r.loaders.get(s)){eA(l,d,i.editing.view)}tA(l,d);Zx(l,d);Kx(l,d)}}function Qx(t,e){if(!t.hasClass(\"ck-appear\")){e.addClass(\"ck-appear\",t)}}function Kx(t,e){e.removeClass(\"ck-appear\",t)}function Jx(t,e,n){if(!e.hasClass(\"ck-image-upload-placeholder\")){n.addClass(\"ck-image-upload-placeholder\",e)}const i=Rv(e);if(i.getAttribute(\"src\")!==t){n.setAttribute(\"src\",t,i)}if(!oA(e,\"placeholder\")){n.insert(n.createPositionAfter(i),iA(n))}}function Zx(t,e){if(t.hasClass(\"ck-image-upload-placeholder\")){e.removeClass(\"ck-image-upload-placeholder\",t)}sA(t,e,\"placeholder\")}function Xx(t,e,n,i){const o=nA(e);e.insert(e.createPositionAt(t,\"end\"),o);n.on(\"change:uploadedPercent\",(t,e,n)=>{i.change(t=>{t.setStyle(\"width\",n+\"%\",o)})})}function tA(t,e){sA(t,e,\"progressBar\")}function eA(t,e,n){const i=e.createUIElement(\"div\",{class:\"ck-image-upload-complete-icon\"});e.insert(e.createPositionAt(t,\"end\"),i);setTimeout(()=>{n.change(t=>t.remove(t.createRangeOn(i)))},3e3)}function nA(t){const e=t.createUIElement(\"div\",{class:\"ck-progress-bar\"});t.setCustomProperty(\"progressBar\",true,e);return e}function iA(t){const e=t.createUIElement(\"div\",{class:\"ck-upload-placeholder-loader\"});t.setCustomProperty(\"placeholder\",true,e);return e}function oA(t,e){for(const n of t.getChildren()){if(n.getCustomProperty(e)){return n}}}function sA(t,e,n){const i=oA(t,n);if(i){e.remove(e.createRangeOn(i))}}function rA(t,e,n){if(n.data){const i=Rv(t);e.setAttribute(\"src\",n.data,i)}}class aA extends jx{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 cA{constructor(t){this.document=t}createDocumentFragment(t){return new Wl(this.document,t)}createElement(t,e,n){return new Vc(this.document,t,e,n)}createText(t){return new Br(this.document,t)}clone(t,e=false){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;if(e){return this.removeChildren(e.getChildIndex(t),1,e)}return[]}replace(t,e){const n=t.parent;if(n){const i=n.getChildIndex(t);this.removeChildren(i,1,n);this.insertChild(i,e,n);return true}return false}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 Vc(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){if(R(t)&&n===undefined){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 ul._createAt(t,e)}createPositionAfter(t){return ul._createAfter(t)}createPositionBefore(t){return ul._createBefore(t)}createRange(t,e){return new hl(t,e)}createRangeOn(t){return hl._createOn(t)}createRangeIn(t){return hl._createIn(t)}createSelection(t,e,n){return new gl(t,e,n)}}class lA extends zw{refresh(){this.isEnabled=Ov(this.editor.model)}execute(t){const e=this.editor;const n=e.model;const i=e.plugins.get(Hx);n.change(e=>{const o=Array.isArray(t.file)?t.file:[t.file];for(const t of o){dA(e,n,i,t)}})}}function dA(t,e,n,i){const o=n.createLoader(i);if(!o){return}Nv(t,e,{uploadId:o.id})}class uA extends Dw{static get requires(){return[Hx,aA,N_]}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;const e=t.model.document;const n=t.model.schema;const i=t.conversion;const o=t.plugins.get(Hx);const s=Rx(t.config.get(\"image.upload.types\"));n.extend(\"image\",{allowAttributes:[\"uploadId\",\"uploadStatus\"]});t.commands.add(\"imageUpload\",new lA(t));i.for(\"upcast\").attributeToAttribute({view:{name:\"img\",key:\"uploadId\"},model:\"uploadId\"});this.listenTo(t.editing.view.document,\"clipboardInput\",(e,n)=>{if(hA(n.dataTransfer)){return}const i=Array.from(n.dataTransfer.files).filter(t=>{if(!t){return false}return s.test(t.type)});const o=n.targetRanges.map(e=>t.editing.mapper.toModelRange(e));t.model.change(n=>{n.setSelection(o);if(i.length){e.stop();t.model.enqueueChange(\"default\",()=>{t.execute(\"imageUpload\",{file:i})})}})});this.listenTo(t.plugins.get(N_),\"inputTransformation\",(e,n)=>{const i=Array.from(t.editing.view.createRangeIn(n.content)).filter(t=>Lx(t.item)&&!t.item.getAttribute(\"uploadProcessed\")).map(t=>({promise:Dx(t.item),imageElement:t.item}));if(!i.length){return}const s=new cA(t.editing.view.document);for(const t of i){s.setAttribute(\"uploadProcessed\",true,t.imageElement);const e=o.createLoader(t.promise);if(e){s.setAttribute(\"src\",\"\",t.imageElement);s.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:true});for(const e of n){if(e.type==\"insert\"&&e.name!=\"$text\"){const n=e.position.nodeAfter;const i=e.position.root.rootName==\"$graveyard\";for(const e of fA(t,n)){const t=e.getAttribute(\"uploadId\");if(!t){continue}const n=o.loaders.get(t);if(!n){continue}if(i){n.abort()}else if(n.status==\"idle\"){this._readAndUpload(n,e)}}}}})}_readAndUpload(t,e){const n=this.editor;const i=n.model;const o=n.locale.t;const s=n.plugins.get(Hx);const r=n.plugins.get(aA);i.enqueueChange(\"transparent\",t=>{t.setAttribute(\"uploadStatus\",\"reading\",e)});return t.read().then(()=>{const o=t.upload();if(Cl.isSafari){const t=n.editing.mapper.toViewElement(e);const i=Rv(t);n.editing.view.once(\"render\",()=>{if(!i.parent){return}const t=n.editing.view.domConverter.mapViewToDom(i.parent);if(!t){return}const e=t.style.display;t.style.display=\"none\";t._ckHack=t.offsetHeight;t.style.display=e})}i.enqueueChange(\"transparent\",t=>{t.setAttribute(\"uploadStatus\",\"uploading\",e)});return o}).then(t=>{i.enqueueChange(\"transparent\",n=>{n.setAttributes({uploadStatus:\"complete\",src:t.default},e);this._parseAndSetSrcsetAttributeOnImage(t,e,n)});a()}).catch(n=>{if(t.status!==\"error\"&&t.status!==\"aborted\"){throw n}if(t.status==\"error\"&&n){r.showWarning(n,{title:o(\"Upload failed\"),namespace:\"upload\"})}a();i.enqueueChange(\"transparent\",t=>{t.remove(e)})});function a(){i.enqueueChange(\"transparent\",t=>{t.removeAttribute(\"uploadId\",e);t.removeAttribute(\"uploadStatus\",e)});s.destroyLoader(t)}}_parseAndSetSrcsetAttributeOnImage(t,e,n){let i=0;const o=Object.keys(t).filter(t=>{const e=parseInt(t,10);if(!isNaN(e)){i=Math.max(i,e);return true}}).map(e=>`${t[e]} ${e}w`).join(\", \");if(o!=\"\"){n.setAttribute(\"srcset\",{data:o,width:i},e)}}}function hA(t){return Array.from(t.types).includes(\"text/html\")&&t.getData(\"text/html\")!==\"\"}function fA(t,e){return Array.from(t.model.createRangeOn(e)).filter(t=>t.item.is(\"image\")).map(t=>t.item)}class mA extends Dw{static get pluginName(){return\"ImageUpload\"}static get requires(){return[uA,Vx,Gx]}}class gA extends zw{constructor(t){super(t);this._childCommands=[]}refresh(){}execute(...t){const e=this._getFirstEnabledCommand();e.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 pA extends Dw{static get pluginName(){return\"IndentEditing\"}init(){const t=this.editor;t.commands.add(\"indent\",new gA(t));t.commands.add(\"outdent\",new gA(t))}}var bA='<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>';var wA='<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 _A extends Dw{static get pluginName(){return\"IndentUI\"}init(){const t=this.editor;const e=t.locale;const n=t.t;const i=e.uiLanguageDirection==\"ltr\"?bA:wA;const o=e.uiLanguageDirection==\"ltr\"?wA:bA;this._defineButton(\"indent\",n(\"Increase indent\"),i);this._defineButton(\"outdent\",n(\"Decrease indent\"),o)}_defineButton(t,e,n){const i=this.editor;i.ui.componentFactory.add(t,o=>{const s=i.commands.get(t);const r=new sw(o);r.set({label:e,icon:n,tooltip:true});r.bind(\"isOn\",\"isEnabled\").to(s,\"value\",\"isEnabled\");this.listenTo(r,\"execute\",()=>{i.execute(t);i.editing.view.focus()});return r})}}class kA extends Dw{static get pluginName(){return\"Indent\"}static get requires(){return[pA,_A]}}const vA=\"italic\";class yA extends Dw{static get pluginName(){return\"ItalicEditing\"}init(){const t=this.editor;t.model.schema.extend(\"$text\",{allowAttributes:vA});t.model.schema.setAttributeProperties(vA,{isFormatting:true,copyOnEnter:true});t.conversion.attributeToElement({model:vA,view:\"i\",upcastAlso:[\"em\",{styles:{\"font-style\":\"italic\"}}]});t.commands.add(vA,new b_(t,vA));t.keystrokes.set(\"CTRL+I\",vA)}}var xA='<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>';const AA=\"italic\";class TA extends Dw{init(){const t=this.editor;const e=t.t;t.ui.componentFactory.add(AA,n=>{const i=t.commands.get(AA);const o=new sw(n);o.set({label:e(\"Italic\"),icon:xA,keystroke:\"CTRL+I\",tooltip:true,isToggleable:true});o.bind(\"isOn\",\"isEnabled\").to(i,\"value\",\"isEnabled\");this.listenTo(o,\"execute\",()=>{t.execute(AA);t.editing.view.focus()});return o})}}class CA extends Dw{static get requires(){return[yA,TA]}static get pluginName(){return\"Italic\"}}function PA(t,e,n){return n.createRange(SA(t,e,true,n),SA(t,e,false,n))}function SA(t,e,n,i){let o=t.textNode||(n?t.nodeBefore:t.nodeAfter);let s=null;while(o&&o.getAttribute(\"linkHref\")==e){s=o;o=n?o.previousSibling:o.nextSibling}return s?i.createPositionAt(s,n?\"before\":\"after\"):t}class EA extends zw{constructor(t){super(t);this.manualDecorators=new xr}restoreManualDecoratorStates(){for(const t of this.manualDecorators){t.value=this._getDecoratorStateFromModel(t.id)}}refresh(){const t=this.editor.model;const 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;const i=n.document.selection;const o=[];const s=[];for(const t in e){if(e[t]){o.push(t)}else{s.push(t)}}n.change(e=>{if(i.isCollapsed){const r=i.getFirstPosition();if(i.hasAttribute(\"linkHref\")){const a=PA(r,i.getAttribute(\"linkHref\"),n);e.setAttribute(\"linkHref\",t,a);o.forEach(t=>{e.setAttribute(t,true,a)});s.forEach(t=>{e.removeAttribute(t,a)});e.setSelection(a)}else if(t!==\"\"){const s=Ur(i.getAttributes());s.set(\"linkHref\",t);o.forEach(t=>{s.set(t,true)});const a=e.createText(t,s);n.insertContent(a,r);e.setSelection(e.createRangeOn(a))}}else{const r=n.schema.getValidRanges(i.getRanges(),\"linkHref\");for(const n of r){e.setAttribute(\"linkHref\",t,n);o.forEach(t=>{e.setAttribute(t,true,n)});s.forEach(t=>{e.removeAttribute(t,n)})}}})}_getDecoratorStateFromModel(t){const e=this.editor.model.document;return e.selection.getAttribute(t)}}class MA extends zw{refresh(){this.isEnabled=this.editor.model.document.selection.hasAttribute(\"linkHref\")}execute(){const t=this.editor;const e=this.editor.model;const n=e.document.selection;const i=t.commands.get(\"link\");e.change(t=>{const o=n.isCollapsed?[PA(n.getFirstPosition(),n.getAttribute(\"linkHref\"),e)]:n.getRanges();for(const e of o){t.removeAttribute(\"linkHref\",e);if(i){for(const n of i.manualDecorators){t.removeAttribute(n.id,e)}}}})}}function IA(t,e,n){var i=t.length;n=n===undefined?i:n;return!e&&n>=i?t:Na(t,e,n)}var NA=IA;var 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mT=fT;function gT(t){return function(e){e=va(e);var n=HA(e)?mT(e):undefined;var i=n?n[0]:e.charAt(0);var o=n?NA(n,1).join(\"\"):e.slice(1);return i[t]()+o}}var pT=gT;var bT=pT(\"toUpperCase\");var wT=bT;const _T=/[\\u0000-\\u0020\\u00A0\\u1680\\u180E\\u2000-\\u2029\\u205f\\u3000]/g;const kT=/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i;function vT(t){return t.is(\"attributeElement\")&&!!t.getCustomProperty(\"link\")}function yT(t,e){const n=e.createAttributeElement(\"a\",{href:t},{priority:5});e.setCustomProperty(\"link\",true,n);return n}function xT(t){t=String(t);return AT(t)?t:\"#\"}function AT(t){const e=t.replace(_T,\"\");return e.match(kT)}function TT(t,e){const n={\"Open in a new tab\":t(\"Open in a new tab\"),Downloadable:t(\"Downloadable\")};e.forEach(t=>{if(t.label&&n[t.label]){t.label=n[t.label]}return t});return e}function CT(t){const e=[];if(t){for(const[n,i]of Object.entries(t)){const t=Object.assign({},i,{id:`link${wT(n)}`});e.push(t)}}return e}class PT{constructor(){this._definitions=new Set}get length(){return this._definitions.size}add(t){if(Array.isArray(t)){t.forEach(t=>this._definitions.add(t))}else{this._definitions.add(t)}}getDispatcher(){return t=>{t.on(\"attribute:linkHref\",(t,e,n)=>{if(!n.consumable.test(e.item,\"attribute:linkHref\")){return}const i=n.writer;const o=i.document.selection;for(const t of this._definitions){const s=i.createAttributeElement(\"a\",t.attributes,{priority:5});i.setCustomProperty(\"link\",true,s);if(t.callback(e.attributeNewValue)){if(e.item.is(\"selection\")){i.wrap(o.getFirstRange(),s)}else{i.wrap(n.mapper.toViewRange(e.range),s)}}else{i.unwrap(n.mapper.toViewRange(e.range),s)}}},{priority:\"high\"})}}}class ST{constructor({id:t,label:e,attributes:n,defaultValue:i}){this.id=t;this.set(\"value\");this.defaultValue=i;this.label=e;this.attributes=n}}yr(ST,Kc);function ET({view:t,model:e,emitter:n,attribute:i,locale:o}){const s=new MT(e,n,i);const r=e.document.selection;n.listenTo(t.document,\"keydown\",(t,e)=>{if(!r.isCollapsed){return}if(e.shiftKey||e.altKey||e.ctrlKey){return}const n=e.keyCode==Rl.arrowright;const i=e.keyCode==Rl.arrowleft;if(!n&&!i){return}const a=r.getFirstPosition();const c=o.contentLanguageDirection;let l;if(c===\"ltr\"&&n||c===\"rtl\"&&i){l=s.handleForwardMovement(a,e)}else{l=s.handleBackwardMovement(a,e)}if(l){t.stop()}},{priority:or.get(\"high\")+1})}class MT{constructor(t,e,n){this.model=t;this.attribute=n;this._modelSelection=t.document.selection;this._overrideUid=null;this._isNextGravityRestorationSkipped=false;e.listenTo(this._modelSelection,\"change:range\",(t,e)=>{if(this._isNextGravityRestorationSkipped){this._isNextGravityRestorationSkipped=false;return}if(!this._isGravityOverridden){return}if(!e.directChange&&IT(this._modelSelection.getFirstPosition(),n)){return}this._restoreGravity()})}handleForwardMovement(t,e){const n=this.attribute;if(this._isGravityOverridden){return}if(t.isAtStart&&this._hasSelectionAttribute){return}if(RT(t,n)&&this._hasSelectionAttribute){this._preventCaretMovement(e);this._removeSelectionAttribute();return true}if(NT(t,n)){this._preventCaretMovement(e);this._overrideGravity();return true}if(OT(t,n)&&this._hasSelectionAttribute){this._preventCaretMovement(e);this._overrideGravity();return true}}handleBackwardMovement(t,e){const n=this.attribute;if(this._isGravityOverridden){if(RT(t,n)&&this._hasSelectionAttribute){this._preventCaretMovement(e);this._restoreGravity();this._removeSelectionAttribute();return true}else{this._preventCaretMovement(e);this._restoreGravity();if(t.isAtStart){this._removeSelectionAttribute()}return true}}else{if(RT(t,n)&&!this._hasSelectionAttribute){this._preventCaretMovement(e);this._setSelectionAttributeFromTheNodeBefore(t);return true}if(t.isAtEnd&&OT(t,n)){if(this._hasSelectionAttribute){if(DT(t,n)){this._skipNextAutomaticGravityRestoration();this._overrideGravity()}return}else{this._preventCaretMovement(e);this._setSelectionAttributeFromTheNodeBefore(t);return true}}if(t.isAtStart){if(this._hasSelectionAttribute){this._removeSelectionAttribute();this._preventCaretMovement(e);return true}return}if(DT(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=true}}function IT(t,e){return NT(t,e)||OT(t,e)}function NT(t,e){const{nodeBefore:n,nodeAfter:i}=t;const o=n?n.hasAttribute(e):false;const s=i?i.hasAttribute(e):false;return s&&(!o||n.getAttribute(e)!==i.getAttribute(e))}function OT(t,e){const{nodeBefore:n,nodeAfter:i}=t;const o=n?n.hasAttribute(e):false;const s=i?i.hasAttribute(e):false;return o&&(!s||n.getAttribute(e)!==i.getAttribute(e))}function RT(t,e){const{nodeBefore:n,nodeAfter:i}=t;const o=n?n.hasAttribute(e):false;const s=i?i.hasAttribute(e):false;if(!s||!o){return}return i.getAttribute(e)!==n.getAttribute(e)}function DT(t,e){return IT(t.getShiftedBy(-1),e)}var LT=n(78);const zT=\"ck-link_selected\";const VT=\"automatic\";const jT=\"manual\";const BT=/^(https?:)?\\/\\//;class FT extends Dw{static get pluginName(){return\"LinkEditing\"}constructor(t){super(t);t.config.define(\"link\",{addTargetToExternalLinks:false})}init(){const t=this.editor;const e=t.locale;t.model.schema.extend(\"$text\",{allowAttributes:\"linkHref\"});t.conversion.for(\"dataDowncast\").attributeToElement({model:\"linkHref\",view:yT});t.conversion.for(\"editingDowncast\").attributeToElement({model:\"linkHref\",view:(t,e)=>yT(xT(t),e)});t.conversion.for(\"upcast\").elementToAttribute({view:{name:\"a\",attributes:{href:true}},model:{key:\"linkHref\",value:t=>t.getAttribute(\"href\")}});t.commands.add(\"link\",new EA(t));t.commands.add(\"unlink\",new MA(t));const n=TT(t.t,CT(t.config.get(\"link.decorators\")));this._enableAutomaticDecorators(n.filter(t=>t.mode===VT));this._enableManualDecorators(n.filter(t=>t.mode===jT));ET({view:t.editing.view,model:t.model,emitter:this,attribute:\"linkHref\",locale:e});this._setupLinkHighlight();this._enableInsertContentSelectionAttributesFixer()}_enableAutomaticDecorators(t){const e=this.editor;const n=new PT;if(e.config.get(\"link.addTargetToExternalLinks\")){n.add({id:\"linkIsExternal\",mode:VT,callback:t=>BT.test(t),attributes:{target:\"_blank\",rel:\"noopener noreferrer\"}})}n.add(t);if(n.length){e.conversion.for(\"downcast\").add(n.getDispatcher())}}_enableManualDecorators(t){if(!t.length){return}const e=this.editor;const n=e.commands.get(\"link\");const i=n.manualDecorators;t.forEach(t=>{e.model.schema.extend(\"$text\",{allowAttributes:t.id});i.add(new ST(t));e.conversion.for(\"downcast\").attributeToElement({model:t.id,view:(e,n)=>{if(e){const e=i.get(t.id).attributes;const o=n.createAttributeElement(\"a\",e,{priority:5});n.setCustomProperty(\"link\",true,o);return o}}});e.conversion.for(\"upcast\").elementToAttribute({view:{name:\"a\",attributes:i.get(t.id).attributes},model:{key:t.id}})})}_setupLinkHighlight(){const t=this.editor;const e=t.editing.view;const n=new Set;e.document.registerPostFixer(e=>{const i=t.model.document.selection;let o=false;if(i.hasAttribute(\"linkHref\")){const s=PA(i.getFirstPosition(),i.getAttribute(\"linkHref\"),t.model);const r=t.editing.mapper.toViewRange(s);for(const t of r.getItems()){if(t.is(\"a\")&&!t.hasClass(zT)){e.addClass(zT,t);n.add(t);o=true}}}return o});t.conversion.for(\"editingDowncast\").add(t=>{t.on(\"insert\",i,{priority:\"highest\"});t.on(\"remove\",i,{priority:\"highest\"});t.on(\"attribute\",i,{priority:\"highest\"});t.on(\"selection\",i,{priority:\"highest\"});function i(){e.change(t=>{for(const e of n.values()){t.removeClass(zT,e);n.delete(e)}})}})}_enableInsertContentSelectionAttributesFixer(){const t=this.editor;const e=t.model;const n=e.document.selection;e.on(\"insertContent\",()=>{const t=n.anchor.nodeBefore;const i=n.anchor.nodeAfter;if(!n.hasAttribute(\"linkHref\")){return}if(!t){return}if(!t.hasAttribute(\"linkHref\")){return}if(i&&i.hasAttribute(\"linkHref\")){return}e.change(t=>{[...e.document.selection.getAttributeKeys()].filter(t=>t.startsWith(\"link\")).forEach(e=>t.removeSelectionAttribute(e))})},{priority:\"low\"})}}class HT extends Qu{constructor(t){super(t);this.domEventType=\"click\"}onDomEvent(t){this.fire(t.type,t)}}var UT=n(80);class WT extends _b{constructor(t,e){super(t);const n=t.t;this.focusTracker=new Pp;this.keystrokes=new mp;this.urlInputView=this._createUrlInput();this.saveButtonView=this._createButton(n(\"Save\"),ay,\"ck-button-save\");this.saveButtonView.type=\"submit\";this.cancelButtonView=this._createButton(n(\"Cancel\"),cy,\"ck-button-cancel\",\"cancel\");this._manualDecoratorSwitches=this._createManualDecoratorSwitches(e);this.children=this._createFormChildren(e.manualDecorators);this._focusables=new Up;this._focusCycler=new Lb({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:\"shift + tab\",focusNext:\"tab\"}});const i=[\"ck\",\"ck-link-form\"];if(e.manualDecorators.length){i.push(\"ck-link-form_layout-vertical\")}this.setTemplate({tag:\"form\",attributes:{class:i,tabindex:\"-1\"},children:this.children})}getDecoratorSwitchesState(){return Array.from(this._manualDecoratorSwitches).reduce((t,e)=>{t[e.name]=e.isOn;return t},{})}render(){super.render();ry({view:this});const t=[this.urlInputView,...this._manualDecoratorSwitches,this.saveButtonView,this.cancelButtonView];t.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;const e=new ey(this.locale,oy);e.label=t(\"Link URL\");e.fieldView.placeholder=\"https://example.com\";return e}_createButton(t,e,n,i){const o=new sw(this.locale);o.set({label:t,icon:e,tooltip:true});o.extendTemplate({attributes:{class:n}});if(i){o.delegate(\"execute\").to(this,i)}return o}_createManualDecoratorSwitches(t){const e=this.createCollection();for(const n of t.manualDecorators){const i=new fw(this.locale);i.set({name:n.id,label:n.label,withText:true});i.bind(\"isOn\").toMany([n,t],\"value\",(t,e)=>e===undefined&&t===undefined?n.defaultValue:t);i.on(\"execute\",()=>{n.set(\"value\",!i.isOn)});e.add(i)}return e}_createFormChildren(t){const e=this.createCollection();e.add(this.urlInputView);if(t.length){const t=new _b;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)}e.add(this.saveButtonView);e.add(this.cancelButtonView);return e}}var qT='<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 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mp;this.previewButtonView=this._createPreviewButton();this.unlinkButtonView=this._createButton(e(\"Unlink\"),qT,\"unlink\");this.editButtonView=this._createButton(e(\"Edit link\"),$T,\"edit\");this.set(\"href\");this._focusables=new Up;this._focusCycler=new Lb({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();const t=[this.previewButtonView,this.editButtonView,this.unlinkButtonView];t.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 i=new sw(this.locale);i.set({label:t,icon:e,tooltip:true});i.delegate(\"execute\").to(this,n);return i}_createPreviewButton(){const t=new sw(this.locale);const e=this.bindTemplate;const n=this.t;t.set({withText:true,tooltip:n(\"Open link in new tab\")});t.extendTemplate({attributes:{class:[\"ck\",\"ck-link-actions__preview\"],href:e.to(\"href\",t=>t&&xT(t)),target:\"_blank\",rel:\"noopener noreferrer\"}});t.bind(\"label\").to(this,\"href\",t=>t||n(\"This link has no URL\"));t.bind(\"isEnabled\").to(this,\"href\",t=>!!t);t.template.tag=\"a\";t.template.eventListeners={};return t}}var QT='<svg viewBox=\"0 0 20 20\" xmlns=\"http://www.w3.org/2000/svg\"><path d=\"M11.077 15l.991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184z\"/></svg>';const KT=\"Ctrl+K\";class JT extends Dw{static get requires(){return[xy]}static get pluginName(){return\"LinkUI\"}init(){const t=this.editor;t.editing.view.addObserver(HT);this.actionsView=this._createActionsView();this.formView=this._createFormView();this._balloon=t.plugins.get(xy);this._createToolbarLinkButton();this._enableUserBalloonInteractions()}destroy(){super.destroy();this.formView.destroy()}_createActionsView(){const t=this.editor;const e=new GT(t.locale);const n=t.commands.get(\"link\");const i=t.commands.get(\"unlink\");e.bind(\"href\").to(n,\"value\");e.editButtonView.bind(\"isEnabled\").to(n);e.unlinkButtonView.bind(\"isEnabled\").to(i);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(KT,(t,e)=>{this._addFormView();e()});return e}_createFormView(){const t=this.editor;const e=t.commands.get(\"link\");const n=new WT(t.locale,e);n.urlInputView.fieldView.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.fieldView.element.value,n.getDecoratorSwitchesState());this._closeFormView()});this.listenTo(n,\"cancel\",()=>{this._closeFormView()});n.keystrokes.set(\"Esc\",(t,e)=>{this._closeFormView();e()});return n}_createToolbarLinkButton(){const t=this.editor;const e=t.commands.get(\"link\");const n=t.t;t.keystrokes.set(KT,(t,e)=>{e();this._showUI(true)});t.ui.componentFactory.add(\"link\",t=>{const i=new sw(t);i.isEnabled=true;i.label=n(\"Link\");i.icon=QT;i.keystroke=KT;i.tooltip=true;i.isToggleable=true;i.bind(\"isEnabled\").to(e,\"isEnabled\");i.bind(\"isOn\").to(e,\"value\",t=>!!t);this.listenTo(i,\"execute\",()=>this._showUI(true));return i})}_enableUserBalloonInteractions(){const t=this.editor.editing.view.document;this.listenTo(t,\"click\",()=>{const t=this._getSelectedLinkElement();if(t){this._showUI()}});this.editor.keystrokes.set(\"Tab\",(t,e)=>{if(this._areActionsVisible&&!this.actionsView.focusTracker.isFocused){this.actionsView.focus();e()}},{priority:\"high\"});this.editor.keystrokes.set(\"Esc\",(t,e)=>{if(this._isUIVisible){this._hideUI();e()}});mw({emitter:this.formView,activator:()=>this._isUIInPanel,contextElements:[this._balloon.view.element],callback:()=>this._hideUI()})}_addActionsView(){if(this._areActionsInPanel){return}this._balloon.add({view:this.actionsView,position:this._getBalloonPositionData()})}_addFormView(){if(this._isFormInPanel){return}const t=this.editor;const e=t.commands.get(\"link\");this._balloon.add({view:this.formView,position:this._getBalloonPositionData()});if(this._balloon.visibleView===this.formView){this.formView.urlInputView.fieldView.select()}this.formView.urlInputView.fieldView.element.value=e.value||\"\"}_closeFormView(){const t=this.editor.commands.get(\"link\");t.restoreManualDecoratorStates();if(t.value!==undefined){this._removeFormView()}else{this._hideUI()}}_removeFormView(){if(this._isFormInPanel){this.formView.saveButtonView.focus();this._balloon.remove(this.formView);this.editor.editing.view.focus()}}_showUI(t=false){if(!this._getSelectedLinkElement()){this._addActionsView();if(t){this._balloon.showStack(\"main\")}this._addFormView()}else{if(this._areActionsVisible){this._addFormView()}else{this._addActionsView()}if(t){this._balloon.showStack(\"main\")}}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;const e=t.editing.view.document;let n=this._getSelectedLinkElement();let i=s();const o=()=>{const t=this._getSelectedLinkElement();const e=s();if(n&&!t||!n&&e!==i){this._hideUI()}else if(this._isUIVisible){this._balloon.updatePosition(this._getBalloonPositionData())}n=t;i=e};function s(){return e.selection.focus.getAncestors().reverse().find(t=>t.is(\"element\"))}this.listenTo(t.ui,\"update\",o);this.listenTo(this._balloon,\"change:visibleView\",o)}get _isFormInPanel(){return this._balloon.hasView(this.formView)}get _areActionsInPanel(){return this._balloon.hasView(this.actionsView)}get _areActionsVisible(){return this._balloon.visibleView===this.actionsView}get _isUIInPanel(){return this._isFormInPanel||this._areActionsInPanel}get _isUIVisible(){const t=this._balloon.visibleView;return t==this.formView||this._areActionsVisible}_getBalloonPositionData(){const t=this.editor.editing.view;const e=t.document;const n=this._getSelectedLinkElement();const i=n?t.domConverter.mapViewToDom(n):t.domConverter.viewRangeToDom(e.selection.getFirstRange());return{target:i}}_getSelectedLinkElement(){const t=this.editor.editing.view;const e=t.document.selection;if(e.isCollapsed){return ZT(e.getFirstPosition())}else{const n=e.getFirstRange().getTrimmed();const i=ZT(n.start);const o=ZT(n.end);if(!i||i!=o){return null}if(t.createRangeIn(i).getTrimmed().isEqual(n)){return i}else{return null}}}}function ZT(t){return t.getAncestors().find(t=>vT(t))}class XT extends Dw{static get requires(){return[FT,JT]}static get pluginName(){return\"Link\"}}class tC extends zw{constructor(t,e){super(t);this.type=e}refresh(){this.value=this._getValue();this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model;const e=t.document;const n=Array.from(e.selection.getSelectedBlocks()).filter(e=>nC(e,t.schema));const i=this.value===true;t.change(t=>{if(i){let e=n[n.length-1].nextSibling;let i=Number.POSITIVE_INFINITY;let o=[];while(e&&e.name==\"listItem\"&&e.getAttribute(\"listIndent\")!==0){const t=e.getAttribute(\"listIndent\");if(t<i){i=t}const n=t-i;o.push({element:e,listIndent:n});e=e.nextSibling}o=o.reverse();for(const e of o){t.setAttribute(\"listIndent\",e.listIndent,e.element)}}if(!i){let t=Number.POSITIVE_INFINITY;for(const e of n){if(e.is(\"listItem\")&&e.getAttribute(\"listIndent\")<t){t=e.getAttribute(\"listIndent\")}}t=t===0?1:t;eC(n,true,t);eC(n,false,t)}for(const e of n.reverse()){if(i&&e.name==\"listItem\"){t.rename(e,\"paragraph\")}else if(!i&&e.name!=\"listItem\"){t.setAttributes({listType:this.type,listIndent:0},e);t.rename(e,\"listItem\")}else if(!i&&e.name==\"listItem\"&&e.getAttribute(\"listType\")!=this.type){t.setAttribute(\"listType\",this.type,e)}}})}_getValue(){const t=jw(this.editor.model.document.selection.getSelectedBlocks());return!!t&&t.is(\"listItem\")&&t.getAttribute(\"listType\")==this.type}_checkEnabled(){if(this.value){return true}const t=this.editor.model.document.selection;const e=this.editor.model.schema;const n=jw(t.getSelectedBlocks());if(!n){return false}return nC(n,e)}}function eC(t,e,n){const i=e?t[0]:t[t.length-1];if(i.is(\"listItem\")){let o=i[e?\"previousSibling\":\"nextSibling\"];let s=i.getAttribute(\"listIndent\");while(o&&o.is(\"listItem\")&&o.getAttribute(\"listIndent\")>=n){if(s>o.getAttribute(\"listIndent\")){s=o.getAttribute(\"listIndent\")}if(o.getAttribute(\"listIndent\")==s){t[e?\"unshift\":\"push\"](o)}o=o[e?\"previousSibling\":\"nextSibling\"]}}}function nC(t,e){return e.checkChild(t.parent,\"listItem\")&&!e.isObject(t)}class iC extends zw{constructor(t,e){super(t);this._indentBy=e==\"forward\"?1:-1}refresh(){this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model;const e=t.document;let n=Array.from(e.selection.getSelectedBlocks());t.change(t=>{const e=n[n.length-1];let i=e.nextSibling;while(i&&i.name==\"listItem\"&&i.getAttribute(\"listIndent\")>e.getAttribute(\"listIndent\")){n.push(i);i=i.nextSibling}if(this._indentBy<0){n=n.reverse()}for(const e of n){const n=e.getAttribute(\"listIndent\")+this._indentBy;if(n<0){t.rename(e,\"paragraph\")}else{t.setAttribute(\"listIndent\",n,e)}}})}_checkEnabled(){const t=jw(this.editor.model.document.selection.getSelectedBlocks());if(!t||!t.is(\"listItem\")){return false}if(this._indentBy>0){const e=t.getAttribute(\"listIndent\");const n=t.getAttribute(\"listType\");let i=t.previousSibling;while(i&&i.is(\"listItem\")&&i.getAttribute(\"listIndent\")>=e){if(i.getAttribute(\"listIndent\")==e){return i.getAttribute(\"listType\")==n}i=i.previousSibling}return false}return true}}function oC(t){const e=t.createContainerElement(\"li\");e.getFillerOffset=uC;return e}function sC(t,e){const n=e.mapper;const i=e.writer;const o=t.getAttribute(\"listType\")==\"numbered\"?\"ol\":\"ul\";const s=oC(i);const r=i.createContainerElement(o,null);i.insert(i.createPositionAt(r,0),s);n.bindElements(t,s);return s}function rC(t,e,n,i){const o=e.parent;const s=n.mapper;const r=n.writer;let a=s.toViewPosition(i.createPositionBefore(t));const c=lC(t.previousSibling,{sameIndent:true,smallerIndent:true,listIndent:t.getAttribute(\"listIndent\")});const l=t.previousSibling;if(c&&c.getAttribute(\"listIndent\")==t.getAttribute(\"listIndent\")){const t=s.toViewElement(c);a=r.breakContainer(r.createPositionAfter(t))}else{if(l&&l.name==\"listItem\"){a=s.toViewPosition(i.createPositionAt(l,\"end\"))}else{a=s.toViewPosition(i.createPositionBefore(t))}}a=cC(a);r.insert(a,o);if(l&&l.name==\"listItem\"){const t=s.toViewElement(l);const n=r.createRange(r.createPositionAt(t,0),a);const i=n.getWalker({ignoreElementEnd:true});for(const t of i){if(t.item.is(\"li\")){const n=r.breakContainer(r.createPositionBefore(t.item));const o=t.item.parent;const s=r.createPositionAt(e,\"end\");aC(r,s.nodeBefore,s.nodeAfter);r.move(r.createRangeOn(o),s);i.position=n}}}else{const n=o.nextSibling;if(n&&(n.is(\"ul\")||n.is(\"ol\"))){let i=null;for(const e of n.getChildren()){const n=s.toModelElement(e);if(n&&n.getAttribute(\"listIndent\")>t.getAttribute(\"listIndent\")){i=e}else{break}}if(i){r.breakContainer(r.createPositionAfter(i));r.move(r.createRangeOn(i.parent),r.createPositionAt(e,\"end\"))}}}aC(r,o,o.nextSibling);aC(r,o.previousSibling,o)}function aC(t,e,n){if(!e||!n||e.name!=\"ul\"&&e.name!=\"ol\"){return null}if(e.name!=n.name||e.getAttribute(\"class\")!==n.getAttribute(\"class\")){return null}return t.mergeContainers(t.createPositionAfter(e))}function cC(t){return t.getLastMatchingPosition(t=>t.item.is(\"uiElement\"))}function lC(t,e){const n=!!e.sameIndent;const i=!!e.smallerIndent;const o=e.listIndent;let s=t;while(s&&s.name==\"listItem\"){const t=s.getAttribute(\"listIndent\");if(n&&o==t||i&&o>t){return s}s=s.previousSibling}return null}function dC(t,e,n,i){t.ui.componentFactory.add(e,o=>{const s=t.commands.get(e);const r=new sw(o);r.set({label:n,icon:i,tooltip:true,isToggleable:true});r.bind(\"isOn\",\"isEnabled\").to(s,\"value\",\"isEnabled\");r.on(\"execute\",()=>{t.execute(e);t.editing.view.focus()});return r})}function uC(){const t=!this.isEmpty&&(this.getChild(0).name==\"ul\"||this.getChild(0).name==\"ol\");if(this.isEmpty||t){return 0}return Uc.call(this)}function hC(t){return(e,n,i)=>{const o=i.consumable;if(!o.test(n.item,\"insert\")||!o.test(n.item,\"attribute:listType\")||!o.test(n.item,\"attribute:listIndent\")){return}o.consume(n.item,\"insert\");o.consume(n.item,\"attribute:listType\");o.consume(n.item,\"attribute:listIndent\");const s=n.item;const r=sC(s,i);rC(s,r,i,t)}}function fC(t){return(e,n,i)=>{const o=i.mapper.toViewPosition(n.position).getLastMatchingPosition(t=>!t.item.is(\"li\"));const s=o.nodeAfter;const r=i.writer;r.breakContainer(r.createPositionBefore(s));r.breakContainer(r.createPositionAfter(s));const a=s.parent;const c=a.previousSibling;const l=r.createRangeOn(a);const d=r.remove(l);if(c&&c.nextSibling){aC(r,c,c.nextSibling)}const u=i.mapper.toModelElement(s);SC(u.getAttribute(\"listIndent\")+1,n.position,l.start,s,i,t);for(const t of r.createRangeIn(d).getItems()){i.mapper.unbindViewElement(t)}e.stop()}}function mC(t,e,n){if(!n.consumable.consume(e.item,\"attribute:listType\")){return}const i=n.mapper.toViewElement(e.item);const o=n.writer;o.breakContainer(o.createPositionBefore(i));o.breakContainer(o.createPositionAfter(i));const s=i.parent;const r=e.attributeNewValue==\"numbered\"?\"ol\":\"ul\";o.rename(r,s)}function gC(t,e,n){const i=n.mapper.toViewElement(e.item);const o=i.parent;const s=n.writer;aC(s,o,o.nextSibling);aC(s,o.previousSibling,o);for(const t of e.item.getChildren()){n.consumable.consume(t,\"insert\")}}function pC(t){return(e,n,i)=>{if(!i.consumable.consume(n.item,\"attribute:listIndent\")){return}const o=i.mapper.toViewElement(n.item);const s=i.writer;s.breakContainer(s.createPositionBefore(o));s.breakContainer(s.createPositionAfter(o));const r=o.parent;const a=r.previousSibling;const c=s.createRangeOn(r);s.remove(c);if(a&&a.nextSibling){aC(s,a,a.nextSibling)}SC(n.attributeOldValue+1,n.range.start,c.start,o,i,t);rC(n.item,o,i,t);for(const t of n.item.getChildren()){i.consumable.consume(t,\"insert\")}}}function bC(t,e,n){if(e.item.name!=\"listItem\"){let t=n.mapper.toViewPosition(e.range.start);const i=n.writer;const o=[];while(t.parent.name==\"ul\"||t.parent.name==\"ol\"){t=i.breakContainer(t);if(t.parent.name!=\"li\"){break}const e=t;const n=i.createPositionAt(t.parent,\"end\");if(!e.isEqual(n)){const t=i.remove(i.createRange(e,n));o.push(t)}t=i.createPositionAfter(t.parent)}if(o.length>0){for(let e=0;e<o.length;e++){const n=t.nodeBefore;const s=i.insert(t,o[e]);t=s.end;if(e>0){const e=aC(i,n,n.nextSibling);if(e&&e.parent==n){t.offset--}}}aC(i,t.nodeBefore,t.nodeAfter)}}}function wC(t,e,n){const i=n.mapper.toViewPosition(e.position);const o=i.nodeBefore;const s=i.nodeAfter;aC(n.writer,o,s)}function _C(t,e,n){if(n.consumable.consume(e.viewItem,{name:true})){const t=n.writer;const i=t.createElement(\"listItem\");const o=MC(e.viewItem);t.setAttribute(\"listIndent\",o,i);const s=e.viewItem.parent&&e.viewItem.parent.name==\"ol\"?\"numbered\":\"bulleted\";t.setAttribute(\"listType\",s,i);const r=n.splitToAllowedParent(i,e.modelCursor);if(!r){return}t.insert(i,r.position);const a=CC(i,e.viewItem.getChildren(),n);e.modelRange=t.createRange(e.modelCursor,a);if(r.cursorParent){e.modelCursor=t.createPositionAt(r.cursorParent,0)}else{e.modelCursor=e.modelRange.end}}}function kC(t,e,n){if(n.consumable.test(e.viewItem,{name:true})){const t=Array.from(e.viewItem.getChildren());for(const e of t){const t=!(e.is(\"li\")||EC(e));if(t){e._remove()}}}}function vC(t,e,n){if(n.consumable.test(e.viewItem,{name:true})){if(e.viewItem.childCount===0){return}const t=[...e.viewItem.getChildren()];let n=false;let i=true;for(const e of t){if(n&&!EC(e)){e._remove()}if(e.is(\"text\")){if(i){e._data=e.data.replace(/^\\s+/,\"\")}if(!e.nextSibling||EC(e.nextSibling)){e._data=e.data.replace(/\\s+$/,\"\")}}else if(EC(e)){n=true}i=false}}}function yC(t){return(e,n)=>{if(n.isPhantom){return}const i=n.modelPosition.nodeBefore;if(i&&i.is(\"listItem\")){const e=n.mapper.toViewElement(i);const o=e.getAncestors().find(EC);const s=t.createPositionAt(e,0).getWalker();for(const t of s){if(t.type==\"elementStart\"&&t.item.is(\"li\")){n.viewPosition=t.previousPosition;break}else if(t.type==\"elementEnd\"&&t.item==o){n.viewPosition=t.nextPosition;break}}}}}function xC(t){return(e,n)=>{const i=n.viewPosition;const o=i.parent;const s=n.mapper;if(o.name==\"ul\"||o.name==\"ol\"){if(!i.isAtEnd){const e=s.toModelElement(i.nodeAfter);n.modelPosition=t.createPositionBefore(e)}else{const e=s.toModelElement(i.nodeBefore);const o=s.getModelLength(i.nodeBefore);n.modelPosition=t.createPositionBefore(e).getShiftedBy(o)}e.stop()}else if(o.name==\"li\"&&i.nodeBefore&&(i.nodeBefore.name==\"ul\"||i.nodeBefore.name==\"ol\")){const r=s.toModelElement(o);let a=1;let c=i.nodeBefore;while(c&&EC(c)){a+=s.getModelLength(c);c=c.previousSibling}n.modelPosition=t.createPositionBefore(r).getShiftedBy(a);e.stop()}}}function AC(t,e){const n=t.document.differ.getChanges();const i=new Map;let o=false;for(const i of n){if(i.type==\"insert\"&&i.name==\"listItem\"){s(i.position)}else if(i.type==\"insert\"&&i.name!=\"listItem\"){if(i.name!=\"$text\"){const n=i.position.nodeAfter;if(n.hasAttribute(\"listIndent\")){e.removeAttribute(\"listIndent\",n);o=true}if(n.hasAttribute(\"listType\")){e.removeAttribute(\"listType\",n);o=true}for(const e of Array.from(t.createRangeIn(n)).filter(t=>t.item.is(\"listItem\"))){s(e.previousPosition)}}const n=i.position.getShiftedBy(i.length);s(n)}else if(i.type==\"remove\"&&i.name==\"listItem\"){s(i.position)}else if(i.type==\"attribute\"&&i.attributeKey==\"listIndent\"){s(i.range.start)}else if(i.type==\"attribute\"&&i.attributeKey==\"listType\"){s(i.range.start)}}for(const t of i.values()){r(t);a(t)}return o;function s(t){const e=t.nodeBefore;if(!e||!e.is(\"listItem\")){const e=t.nodeAfter;if(e&&e.is(\"listItem\")){i.set(e,e)}}else{let t=e;if(i.has(t)){return}for(let e=t.previousSibling;e&&e.is(\"listItem\");e=t.previousSibling){t=e;if(i.has(t)){return}}i.set(e,t)}}function r(t){let n=0;let i=null;while(t&&t.is(\"listItem\")){const s=t.getAttribute(\"listIndent\");if(s>n){let r;if(i===null){i=s-n;r=n}else{if(i>s){i=s}r=s-i}e.setAttribute(\"listIndent\",r,t);o=true}else{i=null;n=t.getAttribute(\"listIndent\")+1}t=t.nextSibling}}function a(t){let n=[];let i=null;while(t&&t.is(\"listItem\")){const s=t.getAttribute(\"listIndent\");if(i&&i.getAttribute(\"listIndent\")>s){n=n.slice(0,s+1)}if(s!=0){if(n[s]){const i=n[s];if(t.getAttribute(\"listType\")!=i){e.setAttribute(\"listType\",i,t);o=true}}else{n[s]=t.getAttribute(\"listType\")}}i=t;t=t.nextSibling}}}function TC(t,[e,n]){let i=e.is(\"documentFragment\")?e.getChild(0):e;let o;if(!n){o=this.document.selection}else{o=this.createSelection(n)}if(i&&i.is(\"listItem\")){const t=o.getFirstPosition();let e=null;if(t.parent.is(\"listItem\")){e=t.parent}else if(t.nodeBefore&&t.nodeBefore.is(\"listItem\")){e=t.nodeBefore}if(e){const t=e.getAttribute(\"listIndent\");if(t>0){while(i&&i.is(\"listItem\")){i._setAttribute(\"listIndent\",i.getAttribute(\"listIndent\")+t);i=i.nextSibling}}}}}function CC(t,e,n){const{writer:i,schema:o}=n;let s=i.createPositionAfter(t);for(const r of e){if(r.name==\"ul\"||r.name==\"ol\"){s=n.convertItem(r,s).modelCursor}else{const e=n.convertItem(r,i.createPositionAt(t,\"end\"));const a=e.modelRange.start.nodeAfter;const c=a&&a.is(\"element\")&&!o.checkChild(t,a.name);if(c){if(e.modelCursor.parent.is(\"listItem\")){t=e.modelCursor.parent}else{t=PC(e.modelCursor)}s=i.createPositionAfter(t)}}}return s}function PC(t){const e=new Uh({startPosition:t});let n;do{n=e.next()}while(!n.value.item.is(\"listItem\"));return n.value.item}function SC(t,e,n,i,o,s){const r=lC(e.nodeBefore,{sameIndent:true,smallerIndent:true,listIndent:t,foo:\"b\"});const a=o.mapper;const c=o.writer;const l=r?r.getAttribute(\"listIndent\"):null;let d;if(!r){d=n}else if(l==t){const t=a.toViewElement(r).parent;d=c.createPositionAfter(t)}else{const t=s.createPositionAt(r,\"end\");d=a.toViewPosition(t)}d=cC(d);for(const t of[...i.getChildren()]){if(EC(t)){d=c.move(c.createRangeOn(t),d).end;aC(c,t,t.nextSibling);aC(c,t.previousSibling,t)}}}function EC(t){return t.is(\"ol\")||t.is(\"ul\")}function MC(t){let e=0;let n=t.parent;while(n){if(n.is(\"li\")){e++}else{const t=n.previousSibling;if(t&&t.is(\"li\")){e++}}n=n.parent}return e}class IC extends Dw{static get pluginName(){return\"ListEditing\"}static get requires(){return[Fk]}init(){const t=this.editor;t.model.schema.register(\"listItem\",{inheritAllFrom:\"$block\",allowAttributes:[\"listType\",\"listIndent\"]});const e=t.data;const n=t.editing;t.model.document.registerPostFixer(e=>AC(t.model,e));n.mapper.registerViewToModelLength(\"li\",NC);e.mapper.registerViewToModelLength(\"li\",NC);n.mapper.on(\"modelToViewPosition\",yC(n.view));n.mapper.on(\"viewToModelPosition\",xC(t.model));e.mapper.on(\"modelToViewPosition\",yC(n.view));t.conversion.for(\"editingDowncast\").add(e=>{e.on(\"insert\",bC,{priority:\"high\"});e.on(\"insert:listItem\",hC(t.model));e.on(\"attribute:listType:listItem\",mC,{priority:\"high\"});e.on(\"attribute:listType:listItem\",gC,{priority:\"low\"});e.on(\"attribute:listIndent:listItem\",pC(t.model));e.on(\"remove:listItem\",fC(t.model));e.on(\"remove\",wC,{priority:\"low\"})});t.conversion.for(\"dataDowncast\").add(e=>{e.on(\"insert\",bC,{priority:\"high\"});e.on(\"insert:listItem\",hC(t.model))});t.conversion.for(\"upcast\").add(t=>{t.on(\"element:ul\",kC,{priority:\"high\"});t.on(\"element:ol\",kC,{priority:\"high\"});t.on(\"element:li\",vC,{priority:\"high\"});t.on(\"element:li\",_C)});t.model.on(\"insertContent\",TC,{priority:\"high\"});t.commands.add(\"numberedList\",new tC(t,\"numbered\"));t.commands.add(\"bulletedList\",new tC(t,\"bulleted\"));t.commands.add(\"indentList\",new iC(t,\"forward\"));t.commands.add(\"outdentList\",new iC(t,\"backward\"));const i=n.view.document;this.listenTo(i,\"enter\",(t,e)=>{const n=this.editor.model.document;const i=n.selection.getLastPosition().parent;if(n.selection.isCollapsed&&i.name==\"listItem\"&&i.isEmpty){this.editor.execute(\"outdentList\");e.preventDefault();t.stop()}});this.listenTo(i,\"delete\",(t,e)=>{if(e.direction!==\"backward\"){return}const n=this.editor.model.document.selection;if(!n.isCollapsed){return}const i=n.getFirstPosition();if(!i.isAtStart){return}const o=i.parent;if(o.name!==\"listItem\"){return}const s=o.previousSibling&&o.previousSibling.name===\"listItem\";if(s){return}this.editor.execute(\"outdentList\");e.preventDefault();t.stop()},{priority:\"high\"});const o=t=>(e,n)=>{const i=this.editor.commands.get(t);if(i.isEnabled){this.editor.execute(t);n()}};t.keystrokes.set(\"Tab\",o(\"indentList\"));t.keystrokes.set(\"Shift+Tab\",o(\"outdentList\"))}afterInit(){const t=this.editor.commands;const e=t.get(\"indent\");const n=t.get(\"outdent\");if(e){e.registerChildCommand(t.get(\"indentList\"))}if(n){n.registerChildCommand(t.get(\"outdentList\"))}}}function NC(t){let e=1;for(const n of t.getChildren()){if(n.name==\"ul\"||n.name==\"ol\"){for(const t of n.getChildren()){e+=NC(t)}}}return e}var OC='<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>';var RC='<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>';class DC extends Dw{init(){const t=this.editor.t;dC(this.editor,\"numberedList\",t(\"Numbered List\"),OC);dC(this.editor,\"bulletedList\",t(\"Bulleted List\"),RC)}}class LC extends Dw{static get requires(){return[IC,DC]}static get pluginName(){return\"List\"}}function zC(t,e){return t=>{t.on(\"attribute:url:media\",n)};function n(n,i,o){if(!o.consumable.consume(i.item,n.name)){return}const s=i.attributeNewValue;const r=o.writer;const a=o.mapper.toViewElement(i.item);r.remove(r.createRangeIn(a));const c=t.getMediaViewElement(r,s,e);r.insert(r.createPositionAt(a,0),c)}}function VC(t,e,n){e.setCustomProperty(\"media\",true,t);return av(t,e,{label:n})}function jC(t){const e=t.getSelectedElement();if(e&&BC(e)){return e}return null}function BC(t){return!!t.getCustomProperty(\"media\")&&rv(t)}function FC(t,e,n,i){const o=t.createContainerElement(\"figure\",{class:\"media\"});o.getFillerOffset=WC;t.insert(t.createPositionAt(o,0),e.getMediaViewElement(t,n,i));return o}function HC(t){const e=t.getSelectedElement();if(e&&e.is(\"media\")){return e}return null}function UC(t,e,n){t.change(i=>{const o=i.createElement(\"media\",{url:e});t.insertContent(o,n);i.setSelection(o,\"on\")})}function WC(){return null}class qC extends zw{refresh(){const t=this.editor.model;const e=t.document.selection;const n=t.schema;const i=e.getFirstPosition();const o=HC(e);let s=i.parent;if(s!=s.root){s=s.parent}this.value=o?o.getAttribute(\"url\"):null;this.isEnabled=n.checkChild(s,\"media\")}execute(t){const e=this.editor.model;const n=e.document.selection;const i=HC(n);if(i){e.change(e=>{e.setAttribute(\"url\",t,i)})}else{const i=hv(n,e);UC(e,t,i)}}}var $C='<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>';const YC=\"0 0 64 42\";class GC{constructor(t,e){const n=e.providers;const i=e.extraProviders||[];const o=new Set(e.removeProviders);const s=n.concat(i).filter(t=>{const e=t.name;if(!e){console.warn(Object(rr[\"a\"])(\"media-embed-no-provider-name: The configured media provider has no name and cannot be used.\"),{provider:t});return false}return!o.has(e)});this.locale=t;this.providerDefinitions=s}hasMedia(t){return!!this._getMedia(t)}getMediaViewElement(t,e,n){return this._getMedia(e).getViewElement(t,n)}_getMedia(t){if(!t){return new QC(this.locale)}t=t.trim();for(const e of this.providerDefinitions){const n=e.html;let i=e.url;if(!Array.isArray(i)){i=[i]}for(const e of i){const i=this._getUrlMatches(t,e);if(i){return new QC(this.locale,t,i,n)}}}return null}_getUrlMatches(t,e){let n=t.match(e);if(n){return n}let i=t.replace(/^https?:\\/\\//,\"\");n=i.match(e);if(n){return n}i=i.replace(/^www\\./,\"\");n=i.match(e);if(n){return n}return null}}class QC{constructor(t,e,n,i){this.url=this._getValidUrl(e);this._t=t.t;this._match=n;this._previewRenderer=i}getViewElement(t,e){const n={};if(e.renderForEditingView||e.renderMediaPreview&&this.url&&this._previewRenderer){if(this.url){n[\"data-oembed-url\"]=this.url}if(e.renderForEditingView){n.class=\"ck-media__wrapper\"}const i=this._getPreviewHtml(e);return t.createUIElement(\"div\",n,(function(t){const e=this.toDomElement(t);e.innerHTML=i;return e}))}else{if(this.url){n.url=this.url}return t.createEmptyElement(\"oembed\",n)}}_getPreviewHtml(t){if(this._previewRenderer){return this._previewRenderer(this._match)}else{if(this.url&&t.renderForEditingView){return this._getPlaceholderHtml()}return\"\"}}_getPlaceholderHtml(){const t=new iw;const e=new ew;t.text=this._t(\"Open media in new tab\");e.content=$C;e.viewBox=YC;const n=new $p({tag:\"div\",attributes:{class:\"ck ck-reset_all ck-media__placeholder\"},children:[{tag:\"div\",attributes:{class:\"ck-media__placeholder__icon\"},children:[e]},{tag:\"a\",attributes:{class:\"ck-media__placeholder__url\",target:\"_blank\",rel:\"noopener noreferrer\",href:this.url},children:[{tag:\"span\",attributes:{class:\"ck-media__placeholder__url__text\"},children:[this.url]},t]}]}).render();return n.outerHTML}_getValidUrl(t){if(!t){return null}if(t.match(/^https?/)){return t}return\"https://\"+t}}var KC=n(84);class JC extends Dw{static get pluginName(){return\"MediaEmbedEditing\"}constructor(t){super(t);t.config.define(\"mediaEmbed\",{providers:[{name:\"dailymotion\",url:/^dailymotion\\.com\\/video\\/(\\w+)/,html:t=>{const e=t[1];return'<div style=\"position: relative; padding-bottom: 100%; height: 0; \">'+`<iframe src=\"https://www.dailymotion.com/embed/video/${e}\" `+'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=>{const e=t[1];return'<div style=\"position: relative; padding-bottom: 100%; height: 0; padding-bottom: 126%;\">'+`<iframe src=\"https://open.spotify.com/embed/${e}\" `+'style=\"position: absolute; width: 100%; height: 100%; top: 0; left: 0;\" '+'frameborder=\"0\" allowtransparency=\"true\" allow=\"encrypted-media\">'+\"</iframe>\"+\"</div>\"}},{name:\"youtube\",url:[/^(?:m\\.)?youtube\\.com\\/watch\\?v=([\\w-]+)/,/^(?:m\\.)?youtube\\.com\\/v\\/([\\w-]+)/,/^youtube\\.com\\/embed\\/([\\w-]+)/,/^youtu\\.be\\/([\\w-]+)/],html:t=>{const e=t[1];return'<div style=\"position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;\">'+`<iframe src=\"https://www.youtube.com/embed/${e}\" `+'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=>{const e=t[1];return'<div style=\"position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;\">'+`<iframe src=\"https://player.vimeo.com/video/${e}\" `+'style=\"position: absolute; width: 100%; height: 100%; top: 0; left: 0;\" '+'frameborder=\"0\" webkitallowfullscreen mozallowfullscreen allowfullscreen>'+\"</iframe>\"+\"</div>\"}},{name:\"instagram\",url:/^instagram\\.com\\/p\\/(\\w+)/},{name:\"twitter\",url:/^twitter\\.com/},{name:\"googleMaps\",url:/^google\\.com\\/maps/},{name:\"flickr\",url:/^flickr\\.com/},{name:\"facebook\",url:/^facebook\\.com/}]});this.registry=new GC(t.locale,t.config.get(\"mediaEmbed\"))}init(){const t=this.editor;const e=t.model.schema;const n=t.t;const i=t.conversion;const o=t.config.get(\"mediaEmbed.previewsInData\");const s=this.registry;t.commands.add(\"mediaEmbed\",new qC(t));e.register(\"media\",{isObject:true,isBlock:true,allowWhere:\"$block\",allowAttributes:[\"url\"]});i.for(\"dataDowncast\").elementToElement({model:\"media\",view:(t,e)=>{const n=t.getAttribute(\"url\");return FC(e,s,n,{renderMediaPreview:n&&o})}});i.for(\"dataDowncast\").add(zC(s,{renderMediaPreview:o}));i.for(\"editingDowncast\").elementToElement({model:\"media\",view:(t,e)=>{const i=t.getAttribute(\"url\");const o=FC(e,s,i,{renderForEditingView:true});return VC(o,e,n(\"media widget\"))}});i.for(\"editingDowncast\").add(zC(s,{renderForEditingView:true}));i.for(\"upcast\").elementToElement({view:{name:\"oembed\",attributes:{url:true}},model:(t,e)=>{const n=t.getAttribute(\"url\");if(s.hasMedia(n)){return e.createElement(\"media\",{url:n})}}}).elementToElement({view:{name:\"div\",attributes:{\"data-oembed-url\":true}},model:(t,e)=>{const n=t.getAttribute(\"data-oembed-url\");if(s.hasMedia(n)){return e.createElement(\"media\",{url:n})}}})}}const ZC=/^(?:http(s)?:\\/\\/)?[\\w.-]+(?:\\.[\\w.-]+)+[\\w\\-._~:/?#[\\]@!$&'()*+,;=]+$/;class XC extends Dw{static get requires(){return[N_,zk]}static get pluginName(){return\"AutoMediaEmbed\"}constructor(t){super(t);this._timeoutId=null;this._positionToInsert=null}init(){const t=this.editor;const e=t.model.document;this.listenTo(t.plugins.get(N_),\"inputTransformation\",()=>{const t=e.selection.getFirstRange();const n=Dg.fromPosition(t.start);n.stickiness=\"toPrevious\";const i=Dg.fromPosition(t.end);i.stickiness=\"toNext\";e.once(\"change:data\",()=>{this._embedMediaBetweenPositions(n,i);n.detach();i.detach()},{priority:\"high\"})});t.commands.get(\"undo\").on(\"execute\",()=>{if(this._timeoutId){Nd.window.clearTimeout(this._timeoutId);this._positionToInsert.detach();this._timeoutId=null;this._positionToInsert=null}},{priority:\"high\"})}_embedMediaBetweenPositions(t,e){const n=this.editor;const i=n.plugins.get(JC).registry;const o=new cf(t,e);const s=o.getWalker({ignoreElementEnd:true});let r=\"\";for(const t of s){if(t.item.is(\"textProxy\")){r+=t.item.data}}r=r.trim();if(!r.match(ZC)){return}if(!i.hasMedia(r)){return}const a=n.commands.get(\"mediaEmbed\");if(!a.isEnabled){return}this._positionToInsert=Dg.fromPosition(t);this._timeoutId=Nd.window.setTimeout(()=>{n.model.change(t=>{this._timeoutId=null;t.remove(o);let e;if(this._positionToInsert.root.rootName!==\"$graveyard\"){e=this._positionToInsert}UC(n.model,r,e);this._positionToInsert.detach();this._positionToInsert=null})},100)}}var tP=n(86);class eP extends _b{constructor(t,e){super(e);const n=e.t;this.focusTracker=new Pp;this.keystrokes=new mp;this.urlInputView=this._createUrlInput();this.saveButtonView=this._createButton(n(\"Save\"),ay,\"ck-button-save\");this.saveButtonView.type=\"submit\";this.cancelButtonView=this._createButton(n(\"Cancel\"),cy,\"ck-button-cancel\",\"cancel\");this._focusables=new Up;this._focusCycler=new Lb({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();ry({view:this});const t=[this.urlInputView,this.saveButtonView,this.cancelButtonView];t.forEach(t=>{this._focusables.add(t);this.focusTracker.add(t.element)});this.keystrokes.listenTo(this.element);const e=t=>t.stopPropagation();this.keystrokes.set(\"arrowright\",e);this.keystrokes.set(\"arrowleft\",e);this.keystrokes.set(\"arrowup\",e);this.keystrokes.set(\"arrowdown\",e);this.listenTo(this.urlInputView.element,\"selectstart\",(t,e)=>{e.stopPropagation()},{priority:\"high\"})}focus(){this._focusCycler.focusFirst()}get url(){return this.urlInputView.fieldView.element.value.trim()}set url(t){this.urlInputView.fieldView.element.value=t.trim()}isValid(){this.resetFormStatus();for(const t of this._validators){const e=t(this);if(e){this.urlInputView.errorText=e;return false}}return true}resetFormStatus(){this.urlInputView.errorText=null;this.urlInputView.infoText=this._urlInputViewInfoDefault}_createUrlInput(){const t=this.locale.t;const e=new ey(this.locale,oy);const n=e.fieldView;this._urlInputViewInfoDefault=t(\"Paste the media URL in the input.\");this._urlInputViewInfoTip=t(\"Tip: Paste the URL into the content to embed faster.\");e.label=t(\"Media URL\");e.infoText=this._urlInputViewInfoDefault;n.placeholder=\"https://example.com\";n.on(\"input\",()=>{e.infoText=n.element.value?this._urlInputViewInfoTip:this._urlInputViewInfoDefault});return e}_createButton(t,e,n,i){const o=new sw(this.locale);o.set({label:t,icon:e,tooltip:true});o.extendTemplate({attributes:{class:n}});if(i){o.delegate(\"execute\").to(this,i)}return o}}var nP='<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 01-.593-.35V7.176v.001z\"/></svg>\\n';class iP extends Dw{static get requires(){return[JC]}static get pluginName(){return\"MediaEmbedUI\"}init(){const t=this.editor;const e=t.commands.get(\"mediaEmbed\");const n=t.plugins.get(JC).registry;this.form=new eP(oP(t.t,n),t.locale);t.ui.componentFactory.add(\"mediaEmbed\",n=>{const i=bw(n);this._setUpDropdown(i,this.form,e,t);this._setUpForm(this.form,i,e);return i})}_setUpDropdown(t,e,n){const i=this.editor;const o=i.t;const s=t.buttonView;t.bind(\"isEnabled\").to(n);t.panelView.children.add(e);s.set({label:o(\"Insert media\"),icon:nP,tooltip:true});s.on(\"open\",()=>{e.url=n.value||\"\";e.urlInputView.fieldView.select();e.focus()},{priority:\"low\"});t.on(\"submit\",()=>{if(e.isValid()){i.execute(\"mediaEmbed\",e.url);r()}});t.on(\"change:isOpen\",()=>e.resetFormStatus());t.on(\"cancel\",()=>r());function r(){i.editing.view.focus();t.isOpen=false}}_setUpForm(t,e,n){t.delegate(\"submit\",\"cancel\").to(e);t.urlInputView.bind(\"value\").to(n,\"value\");t.urlInputView.bind(\"isReadOnly\").to(n,\"isEnabled\",t=>!t);t.saveButtonView.bind(\"isEnabled\").to(n)}}function oP(t,e){return[e=>{if(!e.url.length){return t(\"The URL must not be empty.\")}},n=>{if(!e.hasMedia(n.url)){return t(\"This media URL is not supported.\")}}]}var sP=n(88);class rP extends Dw{static get requires(){return[JC,iP,XC,Yv]}static get pluginName(){return\"MediaEmbed\"}}function aP(t,e){for(const n of t.getChildren()){if(n.is(\"b\")&&n.getStyle(\"font-weight\")===\"normal\"){const 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e=>e.on(\"insert:table\",(e,n,i)=>{const o=n.item;if(!i.consumable.consume(o,\"insert\")){return}i.consumable.consume(o,\"attribute:headingRows:table\");i.consumable.consume(o,\"attribute:headingColumns:table\");const s=t&&t.asWidget;const r=i.writer.createContainerElement(\"figure\",{class:\"table\"});const a=i.writer.createContainerElement(\"table\");i.writer.insert(i.writer.createPositionAt(r,0),a);let c;if(s){c=hS(r,i.writer)}const l=new uS(o);const d={headingRows:o.getAttribute(\"headingRows\")||0,headingColumns:o.getAttribute(\"headingColumns\")||0};const u=new Map;for(const e of l){const{row:n,cell:s}=e;const r=LS(DS(n,d),a,i);const c=o.getChild(n);const l=u.get(n)||OS(c,n,r,i);u.set(n,l);i.consumable.consume(s,\"insert\");const h=i.writer.createPositionAt(l,\"end\");NS(e,d,h,i,t)}const h=i.mapper.toViewPosition(n.range.start);i.mapper.bindElements(o,s?c:r);i.writer.insert(h,s?c:r)})}function TS(t={}){return e=>e.on(\"insert:tableRow\",(e,n,i)=>{const o=n.item;if(!i.consumable.consume(o,\"insert\")){return}const s=o.parent;const r=i.mapper.toViewElement(s);const a=FS(r);const c=s.getChildIndex(o);const l=new uS(s,{startRow:c,endRow:c});const d={headingRows:s.getAttribute(\"headingRows\")||0,headingColumns:s.getAttribute(\"headingColumns\")||0};const u=new Map;for(const e of l){const n=LS(DS(c,d),a,i);const s=u.get(c)||OS(o,c,n,i);u.set(c,s);i.consumable.consume(e.cell,\"insert\");const r=i.writer.createPositionAt(s,\"end\");NS(e,d,r,i,t)}})}function CS(t={}){return e=>e.on(\"insert:tableCell\",(e,n,i)=>{const o=n.item;if(!i.consumable.consume(o,\"insert\")){return}const s=o.parent;const r=s.parent;const a=r.getChildIndex(s);const c=new uS(r,{startRow:a,endRow:a});const l={headingRows:r.getAttribute(\"headingRows\")||0,headingColumns:r.getAttribute(\"headingColumns\")||0};for(const e of c){if(e.cell===o){const n=i.mapper.toViewElement(s);const r=i.writer.createPositionAt(n,s.getChildIndex(o));NS(e,l,r,i,t);return}}})}function PS(t={}){const e=!!t.asWidget;return t=>t.on(\"attribute:headingRows:table\",(t,n,i)=>{const o=n.item;if(!i.consumable.consume(n.item,t.name)){return}const s=i.mapper.toViewElement(o);const r=FS(s);const a=n.attributeOldValue;const c=n.attributeNewValue;if(c>a){const t=Array.from(o.getChildren()).filter(({index:t})=>l(t,a-1,c));const n=LS(\"thead\",r,i);BS(t,n,i,\"end\");for(const n of t){for(const t of n.getChildren()){MS(t,\"th\",i,e)}}}else{const t=Array.from(o.getChildren()).filter(({index:t})=>l(t,c-1,a)).reverse();const n=LS(\"tbody\",r,i);BS(t,n,i,0);const s=new uS(o,{startRow:c?c-1:c,endRow:a-1});const d={headingRows:o.getAttribute(\"headingRows\")||0,headingColumns:o.getAttribute(\"headingColumns\")||0};for(const t of s){IS(t,d,i,e)}}jS(\"thead\",r,i);jS(\"tbody\",r,i);function l(t,e,n){return t>e&&t<n}})}function SS(t={}){const e=!!t.asWidget;return t=>t.on(\"attribute:headingColumns:table\",(t,n,i)=>{const o=n.item;if(!i.consumable.consume(n.item,t.name)){return}const s={headingRows:o.getAttribute(\"headingRows\")||0,headingColumns:o.getAttribute(\"headingColumns\")||0};const r=n.attributeOldValue;const a=n.attributeNewValue;const c=(r>a?r:a)-1;for(const t of new uS(o)){if(t.column>c){continue}IS(t,s,i,e)}})}function ES(){return t=>t.on(\"remove:tableRow\",(t,e,n)=>{t.stop();const i=n.writer;const o=n.mapper;const s=o.toViewPosition(e.position).getLastMatchingPosition(t=>!t.item.is(\"tr\"));const r=s.nodeAfter;const a=r.parent;const c=a.parent;const l=i.createRangeOn(r);const d=i.remove(l);for(const t of i.createRangeIn(d).getItems()){o.unbindViewElement(t)}jS(\"thead\",c,n);jS(\"tbody\",c,n)},{priority:\"higher\"})}function MS(t,e,n,i){const o=n.writer;const s=n.mapper.toViewElement(t);if(!s){return}let r;if(i){const t=o.createEditableElement(e,s.getAttributes());r=uv(t,o);o.insert(o.createPositionAfter(s),r);o.move(o.createRangeIn(s),o.createPositionAt(r,0));o.remove(o.createRangeOn(s))}else{r=o.rename(e,s)}n.mapper.unbindViewElement(s);n.mapper.bindElements(t,r)}function IS(t,e,n,i){const{cell:o}=t;const s=RS(t,e);const r=n.mapper.toViewElement(o);if(r&&r.name!==s){MS(o,s,n,i)}}function NS(t,e,n,i,o){const s=o&&o.asWidget;const r=RS(t,e);const a=s?uv(i.writer.createEditableElement(r),i.writer):i.writer.createContainerElement(r);const c=t.cell;const l=c.getChild(0);const d=c.childCount===1&&l.name===\"paragraph\";i.writer.insert(n,a);if(d&&!HS(l)){const t=c.getChild(0);const e=i.writer.createPositionAt(a,\"end\");i.consumable.consume(t,\"insert\");if(o.asWidget){const n=i.writer.createContainerElement(\"span\",{style:\"display:inline-block\"});i.mapper.bindElements(t,n);i.writer.insert(e,n);i.mapper.bindElements(c,a)}else{i.mapper.bindElements(c,a);i.mapper.bindElements(t,a)}}else{i.mapper.bindElements(c,a)}}function OS(t,e,n,i){i.consumable.consume(t,\"insert\");const o=i.writer.createContainerElement(\"tr\");i.mapper.bindElements(t,o);const s=t.parent.getAttribute(\"headingRows\")||0;const r=s>0&&e>=s?e-s:e;const a=i.writer.createPositionAt(n,r);i.writer.insert(a,o);return o}function RS(t,e){const{row:n,column:i}=t;const{headingColumns:o,headingRows:s}=e;const r=s&&s>n;if(r){return\"th\"}const a=o&&o>i;return a?\"th\":\"td\"}function DS(t,e){return t<e.headingRows?\"thead\":\"tbody\"}function LS(t,e,n){const i=zS(t,e);return i?i:VS(t,e,n)}function zS(t,e){for(const n of e.getChildren()){if(n.name==t){return n}}}function VS(t,e,n){const i=n.writer.createContainerElement(t);const o=n.writer.createPositionAt(e,t==\"tbody\"?\"end\":0);n.writer.insert(o,i);return i}function jS(t,e,n){const i=zS(t,e);if(i&&i.childCount===0){n.writer.remove(n.writer.createRangeOn(i))}}function BS(t,e,n,i){for(const o of t){const t=n.mapper.toViewElement(o);if(t){n.writer.move(n.writer.createRangeOn(t),n.writer.createPositionAt(e,i))}}}function FS(t){for(const e of t.getChildren()){if(e.name===\"table\"){return e}}}function HS(t){return!![...t.getAttributeKeys()].length}class US extends zw{refresh(){const t=this.editor.model;const e=t.document.selection;const n=t.schema;const i=WS(e.getFirstPosition());this.isEnabled=n.checkChild(i,\"table\")}execute(t={}){const e=this.editor.model;const n=e.document.selection;const i=this.editor.plugins.get(\"TableUtils\");const o=parseInt(t.rows)||2;const s=parseInt(t.columns)||2;const r=hv(n,e);e.change(t=>{const n=i.createTable(t,o,s);e.insertContent(n,r);t.setSelection(t.createPositionAt(n.getNodeByPath([0,0,0]),0))})}}function WS(t){const e=t.parent;return e===e.root?e:e.parent}class qS extends zw{constructor(t,e={}){super(t);this.order=e.order||\"below\"}refresh(){const t=this.editor.model.document.selection;const e=eS(\"table\",t.getFirstPosition());this.isEnabled=!!e}execute(){const t=this.editor;const e=t.model.document.selection;const n=t.plugins.get(\"TableUtils\");const i=this.order===\"above\";const o=i?e.getFirstPosition():e.getLastPosition();const s=i?e.getFirstRange():e.getLastRange();const r=s.getContainedElement()||eS(\"tableCell\",o);const a=r.parent;const c=a.parent;const l=c.getChildIndex(a);n.insertRows(c,{rows:1,at:this.order===\"below\"?l+1:l})}}class $S extends zw{constructor(t,e={}){super(t);this.order=e.order||\"right\"}refresh(){const t=this.editor.model.document.selection;const e=eS(\"table\",t.getFirstPosition());this.isEnabled=!!e}execute(){const t=this.editor;const e=t.model.document.selection;const n=t.plugins.get(\"TableUtils\");const i=this.order===\"left\";const o=i?e.getFirstPosition():e.getLastPosition();const s=i?e.getFirstRange():e.getLastRange();const r=s.getContainedElement()||eS(\"tableCell\",o);const a=r.parent.parent;const{column:c}=n.getCellLocation(r);n.insertColumns(a,{columns:1,at:i?c:c+1})}}class YS extends zw{constructor(t,e={}){super(t);this.direction=e.direction||\"horizontally\"}refresh(){const t=wS(this.editor.model.document.selection);this.isEnabled=t.length===1}execute(){const t=wS(this.editor.model.document.selection)[0];const e=this.direction===\"horizontally\";const n=this.editor.plugins.get(\"TableUtils\");if(e){n.splitCellHorizontally(t,2)}else{n.splitCellVertically(t,2)}}}class GS extends zw{constructor(t,e){super(t);this.direction=e.direction;this.isHorizontal=this.direction==\"right\"||this.direction==\"left\"}refresh(){const t=this._getMergeableCell();this.value=t;this.isEnabled=!!t}execute(){const t=this.editor.model;const e=t.document;const n=bS(e.selection)[0];const i=this.value;const o=this.direction;t.change(t=>{const e=o==\"right\"||o==\"down\";const s=e?n:i;const r=e?i:n;const a=r.parent;ZS(r,s,t);const c=this.isHorizontal?\"colspan\":\"rowspan\";const l=parseInt(n.getAttribute(c)||1);const d=parseInt(i.getAttribute(c)||1);t.setAttribute(c,l+d,s);t.setSelection(t.createRangeIn(s));if(!a.childCount){JS(a,t)}})}_getMergeableCell(){const t=this.editor.model;const e=t.document;const n=bS(e.selection)[0];if(!n){return}const i=this.editor.plugins.get(\"TableUtils\");const o=this.isHorizontal?QS(n,this.direction,i):KS(n,this.direction);if(!o){return}const s=this.isHorizontal?\"rowspan\":\"colspan\";const r=parseInt(n.getAttribute(s)||1);const a=parseInt(o.getAttribute(s)||1);if(a===r){return o}}}function QS(t,e,n){const i=t.parent;const o=i.parent;const s=e==\"right\"?t.nextSibling:t.previousSibling;const r=(o.getAttribute(\"headingColumns\")||0)>0;if(!s){return}const a=e==\"right\"?t:s;const c=e==\"right\"?s:t;const{column:l}=n.getCellLocation(a);const{column:d}=n.getCellLocation(c);const u=parseInt(a.getAttribute(\"colspan\")||1);const h=rS(n,a,o);const f=rS(n,c,o);if(r&&h!=f){return}const m=l+u===d;return m?s:undefined}function KS(t,e){const n=t.parent;const i=n.parent;const o=i.getChildIndex(n);if(e==\"down\"&&o===i.childCount-1||e==\"up\"&&o===0){return}const s=parseInt(t.getAttribute(\"rowspan\")||1);const r=i.getAttribute(\"headingRows\")||0;const a=e==\"down\"&&o+s===r;const c=e==\"up\"&&o===r;if(r&&(a||c)){return}const l=parseInt(t.getAttribute(\"rowspan\")||1);const d=e==\"down\"?o+l:o;const u=[...new uS(i,{endRow:d})];const h=u.find(e=>e.cell===t);const f=h.column;const m=u.find(({row:t,rowspan:n,column:i})=>{if(i!==f){return false}if(e==\"down\"){return t===d}else{return d===t+n}});return m&&m.cell}function JS(t,e){const n=t.parent;const i=n.getChildIndex(t);for(const{cell:t,row:o,rowspan:s}of new uS(n,{endRow:i})){const n=o+s-1>=i;if(n){nS(\"rowspan\",s-1,t,e)}}e.remove(t)}function ZS(t,e,n){if(!XS(t)){if(XS(e)){n.remove(n.createRangeIn(e))}n.move(n.createRangeIn(t),n.createPositionAt(e,\"end\"))}n.remove(t)}function XS(t){return t.childCount==1&&t.getChild(0).is(\"paragraph\")&&t.getChild(0).isEmpty}class tE extends zw{refresh(){const t=wS(this.editor.model.document.selection);const e=t[0];if(e){const n=eS(\"table\",e);const i=this.editor.plugins.get(\"TableUtils\").getRows(n);const o=i-1;const s=_S(t);const r=s.first===0&&s.last===o;this.isEnabled=!r}else{this.isEnabled=false}}execute(){const t=this.editor.model;const e=wS(t.document.selection);const n=_S(e);const i=e[0];const o=eS(\"table\",i);const s=this.editor.plugins.get(\"TableUtils\").getCellLocation(i).column;const r=t.createBatch();t.enqueueChange(r,t=>{t.setSelection(t.createSelection(o,\"on\"));const e=n.last-n.first+1;this.editor.plugins.get(\"TableUtils\").removeRows(o,{at:n.first,rows:e,batch:r})});t.enqueueChange(r,t=>{const e=eE(o,n.first,s);t.setSelection(t.createPositionAt(e,0))})}}function eE(t,e,n){const i=t.getChild(e)||t.getChild(t.childCount-1);let o=i.getChild(0);let s=0;for(const t of i.getChildren()){if(s>n){return o}o=t;s+=parseInt(t.getAttribute(\"colspan\")||1)}return o}class nE extends zw{refresh(){const t=wS(this.editor.model.document.selection);const e=t[0];if(e){const n=eS(\"table\",e);const i=this.editor.plugins.get(\"TableUtils\").getColumns(n);const{first:o,last:s}=kS(t);this.isEnabled=s-o<i-1}else{this.isEnabled=false}}execute(){const[t,e]=oE(this.editor.model.document.selection);const n=t.parent.parent;const i=[...new uS(n)];const o={first:i.find(e=>e.cell===t).column,last:i.find(t=>t.cell===e).column};const s=iE(i,t,e,o);this.editor.model.change(t=>{const e=o.last-o.first+1;this.editor.plugins.get(\"TableUtils\").removeColumns(n,{at:o.first,columns:e});t.setSelection(t.createPositionAt(s,0))})}}function iE(t,e,n,i){const o=parseInt(n.getAttribute(\"colspan\")||1);if(o>1){return n}else if(e.previousSibling||n.nextSibling){return n.nextSibling||e.previousSibling}else{if(i.first){return t.reverse().find(({column:t})=>t<i.first).cell}else{return t.reverse().find(({column:t})=>t>i.last).cell}}}function oE(t){const e=wS(t);const n=e[0];const i=e.pop();const o=[n,i];return n.isBefore(i)?o:o.reverse()}class sE extends zw{refresh(){const t=this.editor.model;const e=wS(t.document.selection);const n=e.length>0;this.isEnabled=n;this.value=n&&e.every(t=>this._isInHeading(t,t.parent.parent))}execute(t={}){if(t.forceValue===this.value){return}const e=this.editor.model;const n=wS(e.document.selection);const i=eS(\"table\",n[0]);const{first:o,last:s}=_S(n);const r=this.value?o:s+1;const a=i.getAttribute(\"headingRows\")||0;e.change(t=>{if(r){const e=rE(i,r,a);for(const n of e){aE(n,r,t)}}nS(\"headingRows\",r,i,t,0)})}_isInHeading(t,e){const n=parseInt(e.getAttribute(\"headingRows\")||0);return!!n&&t.parent.index<n}}function rE(t,e,n){const i=[];const o=e>n?n:0;const s=e-1;const r=new uS(t,{startRow:o,endRow:s});for(const{row:t,rowspan:n,cell:o}of r){if(n>1&&t+n>e){i.push(o)}}return i}function aE(t,e,n){const i=t.parent;const o=i.parent;const s=i.index;const r=parseInt(t.getAttribute(\"rowspan\"));const a=e-s;const c={};const l=r-a;if(l>1){c.rowspan=l}const d=parseInt(t.getAttribute(\"colspan\")||1);if(d>1){c.colspan=d}const u=o.getChildIndex(i);const h=u+a;const f=[...new uS(o,{startRow:u,endRow:h,includeSpanned:true})];let m;for(const{row:e,column:i,cell:s,cellIndex:r}of f){if(s===t&&m===undefined){m=i}if(m!==undefined&&m===i&&e===h){const t=o.getChild(e);const i=n.createPositionAt(t,r);iS(n,i,c)}}nS(\"rowspan\",a,t,n)}class cE extends zw{refresh(){const t=this.editor.model;const e=wS(t.document.selection);const n=this.editor.plugins.get(\"TableUtils\");const i=e.length>0;this.isEnabled=i;this.value=i&&e.every(t=>rS(n,t))}execute(t={}){if(t.forceValue===this.value){return}const e=this.editor.model;const n=wS(e.document.selection);const{first:i,last:o}=kS(n);const s=this.value?i:o+1;e.change(t=>{const e=eS(\"table\",n[0]);nS(\"headingColumns\",s,e,t,0)})}}class lE extends Dw{static get pluginName(){return\"TableUtils\"}getCellLocation(t){const e=t.parent;const n=e.parent;const i=n.getChildIndex(e);const o=new uS(n,{startRow:i,endRow:i});for(const{cell:e,row:n,column:i}of o){if(e===t){return{row:n,column:i}}}}createTable(t,e,n){const i=t.createElement(\"table\");dE(t,i,0,e,n);return i}insertRows(t,e={}){const n=this.editor.model;const i=e.at||0;const o=e.rows||1;n.change(e=>{const n=t.getAttribute(\"headingRows\")||0;if(n>i){e.setAttribute(\"headingRows\",n+o,t)}if(i===0||i===t.childCount){dE(e,t,i,o,this.getColumns(t));return}const s=new uS(t,{endRow:i});let r=0;for(const{row:t,rowspan:n,colspan:a,cell:c}of s){const s=t<i;const l=t+n>i;if(s&&l){e.setAttribute(\"rowspan\",n+o,c)}if(t===i){r+=a}}dE(e,t,i,o,r)})}insertColumns(t,e={}){const n=this.editor.model;const i=e.at||0;const o=e.columns||1;n.change(e=>{const n=t.getAttribute(\"headingColumns\");if(i<n){e.setAttribute(\"headingColumns\",n+o,t)}const s=this.getColumns(t);if(i===0||s===i){for(const n of t.getChildren()){uE(o,e,e.createPositionAt(n,i?\"end\":0))}return}const r=new uS(t,{column:i,includeSpanned:true});for(const{row:n,cell:s,cellIndex:a}of r){const c=parseInt(s.getAttribute(\"rowspan\")||1);const l=parseInt(s.getAttribute(\"colspan\")||1);if(a!==i&&l>1){e.setAttribute(\"colspan\",l+o,s);r.skipRow(n);if(c>1){for(let t=n+1;t<n+c;t++){r.skipRow(t)}}}else{const i=e.createPositionAt(t.getChild(n),a);uE(o,e,i)}}})}removeRows(t,e){const n=this.editor.model;const i=e.rows||1;const o=e.at;const s=o+i-1;const r=e.batch||\"default\";const{cellsToMove:a,cellsToTrim:c}=gE(t,o,s);n.enqueueChange(r,e=>{const i=s+1;pE(t,i,a,e);for(let n=s;n>=o;n--){e.remove(t.getChild(n))}for(const{rowspan:t,cell:n}of c){nS(\"rowspan\",t,n,e)}mE(t,o,s,n,r)})}removeColumns(t,e){const n=this.editor.model;const i=e.at;const o=e.columns||1;const s=e.at+o-1;n.change(e=>{fE(t,{first:i,last:s},e);for(let n=s;n>=i;n--){for(const{cell:i,column:o,colspan:s}of[...new uS(t)]){if(o<=n&&s>1&&o+s>n){nS(\"colspan\",s-1,i,e)}else if(o===n){const n=i.parent;e.remove(i);if(!n.childCount){this.removeRows(t,{at:n.index})}}}}})}splitCellVertically(t,e=2){const n=this.editor.model;const i=t.parent;const o=i.parent;const s=parseInt(t.getAttribute(\"rowspan\")||1);const r=parseInt(t.getAttribute(\"colspan\")||1);n.change(n=>{if(r>1){const{newCellsSpan:i,updatedSpan:o}=hE(r,e);nS(\"colspan\",o,t,n);const a={};if(i>1){a.colspan=i}if(s>1){a.rowspan=s}const c=r>e?e-1:r-1;uE(c,n,n.createPositionAfter(t),a)}if(r<e){const i=e-r;const a=[...new uS(o)];const{column:c}=a.find(({cell:e})=>e===t);const l=a.filter(({cell:e,colspan:n,column:i})=>{const o=e!==t&&i===c;const s=i<c&&i+n>c;return o||s});for(const{cell:t,colspan:e}of l){n.setAttribute(\"colspan\",e+i,t)}const d={};if(s>1){d.rowspan=s}uE(i,n,n.createPositionAfter(t),d);const u=o.getAttribute(\"headingColumns\")||0;if(u>c){nS(\"headingColumns\",u+i,o,n)}}})}splitCellHorizontally(t,e=2){const n=this.editor.model;const i=t.parent;const o=i.parent;const s=o.getChildIndex(i);const r=parseInt(t.getAttribute(\"rowspan\")||1);const a=parseInt(t.getAttribute(\"colspan\")||1);n.change(n=>{if(r>1){const i=[...new uS(o,{startRow:s,endRow:s+r-1,includeSpanned:true})];const{newCellsSpan:c,updatedSpan:l}=hE(r,e);nS(\"rowspan\",l,t,n);const{column:d}=i.find(({cell:e})=>e===t);const u={};if(c>1){u.rowspan=c}if(a>1){u.colspan=a}for(const{column:t,row:e,cellIndex:r}of i){const i=e>=s+l;const a=t===d;const h=(e+s+l)%c===0;if(i&&a&&h){const t=n.createPositionAt(o.getChild(e),r);uE(1,n,t,u)}}}if(r<e){const i=e-r;const c=[...new uS(o,{startRow:0,endRow:s})];for(const{cell:e,rowspan:o,row:r}of c){if(e!==t&&r+o>s){const t=o+i;n.setAttribute(\"rowspan\",t,e)}}const l={};if(a>1){l.colspan=a}dE(n,o,s+1,i,1,l);const d=o.getAttribute(\"headingRows\")||0;if(d>s){nS(\"headingRows\",d+i,o,n)}}})}getColumns(t){const e=t.getChild(0);return[...e.getChildren()].reduce((t,e)=>{const n=parseInt(e.getAttribute(\"colspan\")||1);return t+n},0)}getRows(t){return t.childCount}}function dE(t,e,n,i,o,s={}){for(let r=0;r<i;r++){const i=t.createElement(\"tableRow\");t.insert(i,e,n);uE(o,t,t.createPositionAt(i,\"end\"),s)}}function uE(t,e,n,i={}){for(let o=0;o<t;o++){iS(e,n,i)}}function hE(t,e){if(t<e){return{newCellsSpan:1,updatedSpan:1}}const n=Math.floor(t/e);const i=t-n*e+n;return{newCellsSpan:n,updatedSpan:i}}function fE(t,e,n){const i=t.getAttribute(\"headingColumns\")||0;if(i&&e.first<i){const o=Math.min(i-1,e.last)-e.first+1;n.setAttribute(\"headingColumns\",i-o,t)}}function mE(t,e,n,i,o){const s=t.getAttribute(\"headingRows\")||0;if(e<s){const r=n<s?s-(n-e+1):e;i.enqueueChange(o,e=>{nS(\"headingRows\",r,t,e,0)})}}function gE(t,e,n){const i=new Map;const o=[];for(const{row:s,column:r,rowspan:a,cell:c}of new uS(t,{endRow:n})){const t=s+a-1;const l=s>=e&&s<=n&&t>n;if(l){const t=n-s+1;const e=a-t;i.set(r,{cell:c,rowspan:e})}const d=s<e&&t>=e;if(d){let i;if(t>=n){i=n-e+1}else{i=t-e+1}o.push({cell:c,rowspan:a-i})}}return{cellsToMove:i,cellsToTrim:o}}function pE(t,e,n,i){const o=new uS(t,{includeSpanned:true,startRow:e,endRow:e});const s=[...o];const r=t.getChild(e);let a;for(const{column:t,cell:e,isSpanned:o}of s){if(n.has(t)){const{cell:e,rowspan:o}=n.get(t);const s=a?i.createPositionAfter(a):i.createPositionAt(r,0);i.move(i.createRangeOn(e),s);nS(\"rowspan\",o,e,i);a=e}else if(!o){a=e}}}class bE extends zw{refresh(){this.isEnabled=vE(this.editor.model.document.selection,this.editor.plugins.get(lE))}execute(){const t=this.editor.model;const e=this.editor.plugins.get(lE);t.change(n=>{const i=pS(t.document.selection);const o=i.shift();n.setSelection(o,0);const{mergeWidth:s,mergeHeight:r}=TE(o,i,e);nS(\"colspan\",s,o,n);nS(\"rowspan\",r,o,n);for(const t of i){const e=t.parent;_E(t,o,n);wE(e,n)}n.setSelection(o,\"in\")})}}function wE(t,e){if(t.childCount){return}const n=t.parent;const i=n.getChildIndex(t);for(const{cell:t,row:o,rowspan:s}of new uS(n,{endRow:i})){const n=o+s-1>=i;if(n){nS(\"rowspan\",s-1,t,e)}}e.remove(t)}function _E(t,e,n){if(!kE(t)){if(kE(e)){n.remove(n.createRangeIn(e))}n.move(n.createRangeIn(t),n.createPositionAt(e,\"end\"))}n.remove(t)}function kE(t){return t.childCount==1&&t.getChild(0).is(\"paragraph\")&&t.getChild(0).isEmpty}function vE(t,e){const n=pS(t);if(n.length<2||!xE(n)){return false}const i=new Set;const o=new Set;let s=0;for(const t of n){const{row:n,column:r}=e.getCellLocation(t);const a=parseInt(t.getAttribute(\"rowspan\")||1);const c=parseInt(t.getAttribute(\"colspan\")||1);i.add(n);o.add(r);if(a>1){i.add(n+a-1)}if(c>1){o.add(r+c-1)}s+=a*c}const r=yE(i,o);return r==s}function yE(t,e){const n=Array.from(t.values());const i=Array.from(e.values());const o=Math.max(...n);const s=Math.min(...n);const r=Math.max(...i);const a=Math.min(...i);return(o-s+1)*(r-a+1)}function xE(t){const e=eS(\"table\",t[0]);const n=_S(t);const i=parseInt(e.getAttribute(\"headingRows\")||0);if(!AE(n,i)){return false}const o=parseInt(e.getAttribute(\"headingColumns\")||0);const s=kS(t);return AE(s,o)}function AE({first:t,last:e},n){const i=t<n;const o=e<n;return i===o}function TE(t,e,n){let i=0;let o=0;for(const t of e){const{row:e,column:s}=n.getCellLocation(t);i=CE(t,s,i,\"colspan\");o=CE(t,e,o,\"rowspan\")}const{row:s,column:r}=n.getCellLocation(t);const a=i-r;const c=o-s;return{mergeWidth:a,mergeHeight:c}}function CE(t,e,n,i){const o=parseInt(t.getAttribute(i)||1);return Math.max(n,e+o)}class PE extends zw{refresh(){const t=wS(this.editor.model.document.selection);this.isEnabled=t.length>0}execute(){const t=this.editor.model;const e=wS(t.document.selection);const n=_S(e);const i=eS(\"table\",e[0]);const o=[];for(let e=n.first;e<=n.last;e++){for(const n of i.getChild(e).getChildren()){o.push(t.createRangeOn(n))}}t.change(t=>{t.setSelection(o)})}}class SE extends zw{refresh(){const t=wS(this.editor.model.document.selection);this.isEnabled=t.length>0}execute(){const t=this.editor.model;const e=wS(t.document.selection);const n=e[0];const i=e.pop();const o=this.editor.plugins.get(\"TableUtils\");const s=o.getCellLocation(n);const r=o.getCellLocation(i);const a=Math.min(s.column,r.column);const c=Math.max(s.column,r.column);const l=[];for(const e of new uS(eS(\"table\",n))){if(e.column>=a&&e.column<=c){l.push(t.createRangeOn(e.cell))}}t.change(t=>{t.setSelection(l)})}}function EE(t){t.document.registerPostFixer(e=>ME(e,t))}function ME(t,e){const n=e.document.differ.getChanges();let i=false;const o=new Set;for(const e of n){let n;if(e.name==\"table\"&&e.type==\"insert\"){n=e.position.nodeAfter}if(e.name==\"tableRow\"||e.name==\"tableCell\"){n=eS(\"table\",e.position)}if(DE(e)){n=eS(\"table\",e.range.start)}if(n&&!o.has(n)){i=IE(n,t)||i;i=NE(n,t)||i;o.add(n)}}return i}function IE(t,e){let n=false;const i=OE(t);if(i.length){n=true;for(const t of i){nS(\"rowspan\",t.rowspan,t.cell,e,1)}}return n}function NE(t,e){let n=false;const i=RE(t);const o=i[0];const s=Object.values(i).every(t=>t===o);if(!s){const o=Object.values(i).reduce((t,e)=>e>t?e:t,0);for(const[s,r]of Object.entries(i)){const i=o-r;if(i){for(let n=0;n<i;n++){iS(e,e.createPositionAt(t.getChild(s),\"end\"))}n=true}}}return n}function OE(t){const e=parseInt(t.getAttribute(\"headingRows\")||0);const n=t.childCount;const i=[];for(const{row:o,rowspan:s,cell:r}of new uS(t)){if(s<2){continue}const t=o<e;const a=t?e:n;if(o+s>a){const t=a-o;i.push({cell:r,rowspan:t})}}return i}function RE(t){const e={};for(const{row:n}of new uS(t,{includeSpanned:true})){if(!e[n]){e[n]=0}e[n]+=1}return e}function DE(t){const e=t.type===\"attribute\";const n=t.attributeKey;return e&&(n===\"headingRows\"||n===\"colspan\"||n===\"rowspan\")}function LE(t){t.document.registerPostFixer(e=>zE(e,t))}function zE(t,e){const n=e.document.differ.getChanges();let i=false;for(const e of n){if(e.type==\"insert\"&&e.name==\"table\"){i=VE(e.position.nodeAfter,t)||i}if(e.type==\"insert\"&&e.name==\"tableRow\"){i=jE(e.position.nodeAfter,t)||i}if(e.type==\"insert\"&&e.name==\"tableCell\"){i=BE(e.position.nodeAfter,t)||i}if(FE(e)){i=BE(e.position.parent,t)||i}}return i}function VE(t,e){let n=false;for(const i of t.getChildren()){n=jE(i,e)||n}return n}function jE(t,e){let n=false;for(const i of t.getChildren()){n=BE(i,e)||n}return n}function BE(t,e){if(t.childCount==0){e.insertElement(\"paragraph\",t);return true}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 FE(t){if(!t.position||!t.position.parent.is(\"tableCell\")){return false}return t.type==\"insert\"&&t.name==\"$text\"||t.type==\"remove\"}function HE(t){t.document.registerPostFixer(()=>UE(t))}function UE(t){const e=t.document.differ;const n=new Set;for(const t of e.getChanges()){const e=t.type==\"insert\"||t.type==\"remove\"?t.position.parent:t.range.start.parent;if(e.is(\"tableCell\")&&WE(e,t.type)){n.add(e)}}if(n.size){for(const t of n.values()){e.refreshItem(t)}return true}return false}function WE(t,e){const n=Array.from(t.getChildren()).some(t=>t.is(\"paragraph\"));if(!n){return false}if(e==\"attribute\"){const e=Array.from(t.getChild(0).getAttributeKeys()).length;return t.childCount===1&&e<2}return t.childCount<=(e==\"insert\"?2:1)}var qE=n(90);class $E extends Dw{static get pluginName(){return\"TableEditing\"}init(){const t=this.editor;const e=t.model;const n=e.schema;const i=t.conversion;n.register(\"table\",{allowWhere:\"$block\",allowAttributes:[\"headingRows\",\"headingColumns\"],isLimit:true,isObject:true,isBlock:true});n.register(\"tableRow\",{allowIn:\"table\",isLimit:true});n.register(\"tableCell\",{allowIn:\"tableRow\",allowAttributes:[\"colspan\",\"rowspan\"],isObject:true});n.extend(\"$block\",{allowIn:\"tableCell\"});n.addChildCheck((t,e)=>{if(e.name==\"table\"&&Array.from(t.getNames()).includes(\"table\")){return false}});i.for(\"upcast\").add(aS());i.for(\"editingDowncast\").add(AS({asWidget:true}));i.for(\"dataDowncast\").add(AS());i.for(\"upcast\").elementToElement({model:\"tableRow\",view:\"tr\"});i.for(\"editingDowncast\").add(TS({asWidget:true}));i.for(\"dataDowncast\").add(TS());i.for(\"downcast\").add(ES());i.for(\"upcast\").add(cS(\"td\"));i.for(\"upcast\").add(cS(\"th\"));i.for(\"editingDowncast\").add(CS({asWidget:true}));i.for(\"dataDowncast\").add(CS());i.attributeToAttribute({model:\"colspan\",view:\"colspan\"});i.attributeToAttribute({model:\"rowspan\",view:\"rowspan\"});i.for(\"editingDowncast\").add(SS({asWidget:true}));i.for(\"dataDowncast\").add(SS());i.for(\"editingDowncast\").add(PS({asWidget:true}));i.for(\"dataDowncast\").add(PS());t.commands.add(\"insertTable\",new US(t));t.commands.add(\"insertTableRowAbove\",new qS(t,{order:\"above\"}));t.commands.add(\"insertTableRowBelow\",new qS(t,{order:\"below\"}));t.commands.add(\"insertTableColumnLeft\",new $S(t,{order:\"left\"}));t.commands.add(\"insertTableColumnRight\",new $S(t,{order:\"right\"}));t.commands.add(\"removeTableRow\",new tE(t));t.commands.add(\"removeTableColumn\",new nE(t));t.commands.add(\"splitTableCellVertically\",new YS(t,{direction:\"vertically\"}));t.commands.add(\"splitTableCellHorizontally\",new YS(t,{direction:\"horizontally\"}));t.commands.add(\"mergeTableCells\",new bE(t));t.commands.add(\"mergeTableCellRight\",new GS(t,{direction:\"right\"}));t.commands.add(\"mergeTableCellLeft\",new GS(t,{direction:\"left\"}));t.commands.add(\"mergeTableCellDown\",new GS(t,{direction:\"down\"}));t.commands.add(\"mergeTableCellUp\",new GS(t,{direction:\"up\"}));t.commands.add(\"setTableColumnHeader\",new cE(t));t.commands.add(\"setTableRowHeader\",new sE(t));t.commands.add(\"selectTableRow\",new PE(t));t.commands.add(\"selectTableColumn\",new SE(t));EE(e);HE(e);LE(e)}static get requires(){return[lE]}}var YE=n(92);class GE extends _b{constructor(t){super(t);const 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${t}`);this.setTemplate({tag:\"div\",attributes:{class:[\"ck\"]},children:[{tag:\"div\",attributes:{class:[\"ck-insert-table-dropdown__grid\"]},on:{\"mouseover@.ck-insert-table-dropdown-grid-box\":e.to(\"boxover\")},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\")})}});this.on(\"boxover\",(t,e)=>{const{row:n,column:i}=e.target.dataset;this.set({rows:parseInt(n),columns:parseInt(i)})});this.on(\"change:columns\",()=>{this._highlightGridBoxes()});this.on(\"change:rows\",()=>{this._highlightGridBoxes()})}focus(){}focusLast(){}_highlightGridBoxes(){const t=this.rows;const e=this.columns;this.items.map((n,i)=>{const o=Math.floor(i/10);const s=i%10;const r=o<t&&s<e;n.set(\"isOn\",r)})}_createGridCollection(){const t=[];for(let e=0;e<100;e++){const n=Math.floor(e/10);const i=e%10;t.push(new JE(this.locale,n+1,i+1))}return this.createCollection(t)}}class JE extends _b{constructor(t,e,n){super(t);const i=this.bindTemplate;this.set(\"isOn\",false);this.setTemplate({tag:\"div\",attributes:{class:[\"ck-insert-table-dropdown-grid-box\",i.if(\"isOn\",\"ck-on\")],\"data-row\":e,\"data-column\":n}})}}var ZE='<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>';var XE='<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>';var tM='<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>';var eM='<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>';class nM extends Dw{init(){const t=this.editor;const e=this.editor.t;const n=t.locale.contentLanguageDirection;const i=n===\"ltr\";t.ui.componentFactory.add(\"insertTable\",n=>{const i=t.commands.get(\"insertTable\");const o=bw(n);o.bind(\"isEnabled\").to(i);o.buttonView.set({icon:ZE,label:e(\"Insert table\"),tooltip:true});let s;o.on(\"change:isOpen\",()=>{if(s){return}s=new KE(n);o.panelView.children.add(s);s.delegate(\"execute\").to(o);o.buttonView.on(\"open\",()=>{s.rows=0;s.columns=0});o.on(\"execute\",()=>{t.execute(\"insertTable\",{rows:s.rows,columns:s.columns});t.editing.view.focus()})});return o});t.ui.componentFactory.add(\"tableColumn\",t=>{const n=[{type:\"switchbutton\",model:{commandName:\"setTableColumnHeader\",label:e(\"Header column\"),bindIsOn:true}},{type:\"separator\"},{type:\"button\",model:{commandName:i?\"insertTableColumnLeft\":\"insertTableColumnRight\",label:e(\"Insert column left\")}},{type:\"button\",model:{commandName:i?\"insertTableColumnRight\":\"insertTableColumnLeft\",label:e(\"Insert column right\")}},{type:\"button\",model:{commandName:\"removeTableColumn\",label:e(\"Delete column\")}},{type:\"button\",model:{commandName:\"selectTableColumn\",label:e(\"Select column\")}}];return this._prepareDropdown(e(\"Column\"),XE,n,t)});t.ui.componentFactory.add(\"tableRow\",t=>{const n=[{type:\"switchbutton\",model:{commandName:\"setTableRowHeader\",label:e(\"Header row\"),bindIsOn:true}},{type:\"separator\"},{type:\"button\",model:{commandName:\"insertTableRowBelow\",label:e(\"Insert row below\")}},{type:\"button\",model:{commandName:\"insertTableRowAbove\",label:e(\"Insert row above\")}},{type:\"button\",model:{commandName:\"removeTableRow\",label:e(\"Delete row\")}},{type:\"button\",model:{commandName:\"selectTableRow\",label:e(\"Select row\")}}];return this._prepareDropdown(e(\"Row\"),tM,n,t)});t.ui.componentFactory.add(\"mergeTableCells\",t=>{const n=[{type:\"button\",model:{commandName:\"mergeTableCellUp\",label:e(\"Merge cell up\")}},{type:\"button\",model:{commandName:i?\"mergeTableCellRight\":\"mergeTableCellLeft\",label:e(\"Merge cell right\")}},{type:\"button\",model:{commandName:\"mergeTableCellDown\",label:e(\"Merge cell down\")}},{type:\"button\",model:{commandName:i?\"mergeTableCellLeft\":\"mergeTableCellRight\",label:e(\"Merge cell left\")}},{type:\"separator\"},{type:\"button\",model:{commandName:\"splitTableCellVertically\",label:e(\"Split cell vertically\")}},{type:\"button\",model:{commandName:\"splitTableCellHorizontally\",label:e(\"Split cell horizontally\")}}];return this._prepareMergeSplitButtonDropdown(e(\"Merge cells\"),eM,n,t)})}_prepareDropdown(t,e,n,i){const o=this.editor;const s=bw(i);const r=this._fillDropdownWithListOptions(s,n);s.buttonView.set({label:t,icon:e,tooltip:true});s.bind(\"isEnabled\").toMany(r,\"isEnabled\",(...t)=>t.some(t=>t));this.listenTo(s,\"execute\",t=>{o.execute(t.source.commandName);o.editing.view.focus()});return s}_prepareMergeSplitButtonDropdown(t,e,n,i){const o=this.editor;const s=bw(i,GE);const r=\"mergeTableCells\";this._fillDropdownWithListOptions(s,n);s.buttonView.set({label:t,icon:e,tooltip:true,isEnabled:true});this.listenTo(s.buttonView,\"execute\",()=>{o.execute(r);o.editing.view.focus()});this.listenTo(s,\"execute\",t=>{o.execute(t.source.commandName);o.editing.view.focus()});return s}_fillDropdownWithListOptions(t,e){const n=this.editor;const i=[];const o=new xr;for(const t of e){iM(t,n,i,o)}_w(t,o,n.ui.componentFactory);return i}}function iM(t,e,n,i){const o=t.model=new Gk(t.model);const{commandName:s,bindIsOn:r}=t.model;if(t.type===\"button\"||t.type===\"switchbutton\"){const t=e.commands.get(s);n.push(t);o.set({commandName:s});o.bind(\"isEnabled\").to(t);if(r){o.bind(\"isOn\").to(t,\"value\")}}o.set({withText:true});i.add(t)}class oM extends Qu{constructor(t){super(t);this.domEventType=[\"mousemove\",\"mouseup\",\"mouseleave\"]}onDomEvent(t){this.fire(t.type,t)}}function sM(t,e,n){const i=Array.from(t);const o=i[0];const s=i[i.length-1];const{row:r,column:a}=e.getCellLocation(o);const c=rM(i,a,n,e);const{row:l,column:d}=e.getCellLocation(s);const u=d-a+1;const h=l-r+1;cM(c,u,h,n,e);const f=eS(\"table\",o);lM(c,f,r,a,n);return c}function rM(t,e,n,i){const o=n.createElement(\"table\");const s=new Map;const r=new Map;for(const e of t){const t=eS(\"tableRow\",e);if(!s.has(t)){const e=t._clone();n.append(e,o);s.set(t,e)}const a=e._clone(true);const{column:c}=i.getCellLocation(e);r.set(a,c);n.append(a,s.get(t))}aM(o,e,r,n,i);return o}function aM(t,e,n,i,o){for(const s of t.getChildren()){for(const t of Array.from(s.getChildren())){const{column:s}=o.getCellLocation(t);const r=n.get(t);const a=r-e;if(s!==a){for(let e=0;e<a-s;e++){const e=i.createElement(\"tableCell\");i.insert(e,i.createPositionBefore(t));const n=i.createElement(\"paragraph\");i.insert(n,e,0);i.insertText(\"\",n,0)}}}}}function cM(t,e,n,i,o){for(const s of t.getChildren()){for(const t of s.getChildren()){const s=parseInt(t.getAttribute(\"colspan\")||1);const r=parseInt(t.getAttribute(\"rowspan\")||1);const{row:a,column:c}=o.getCellLocation(t);if(c+s>e){const n=e-c;if(n>1){i.setAttribute(\"colspan\",n,t)}else{i.removeAttribute(\"colspan\",t)}}if(a+r>n){const e=n-a;if(e>1){i.setAttribute(\"rowspan\",e,t)}else{i.removeAttribute(\"rowspan\",t)}}}}}function lM(t,e,n,i,o){const s=parseInt(e.getAttribute(\"headingRows\")||0);if(s>0){const e=s-n;o.setAttribute(\"headingRows\",e,t)}const r=parseInt(e.getAttribute(\"headingColumns\")||0);if(r>0){const e=r-i;o.setAttribute(\"headingColumns\",e,t)}}var dM=n(96);class uM extends Dw{static get pluginName(){return\"TableSelection\"}static get requires(){return[lE]}init(){const t=this.editor;const e=t.model;this.listenTo(e,\"deleteContent\",(t,e)=>this._handleDeleteContent(t,e),{priority:\"high\"});t.editing.view.addObserver(oM);this._defineSelectionConverter();this._enableShiftClickSelection();this._enableMouseDragSelection();this._enablePluginDisabling()}getSelectedTableCells(){const t=this.editor.model.document.selection;const e=pS(t);if(e.length==0){return null}return e}getSelectionAsFragment(){const t=this.getSelectedTableCells();if(!t){return null}return this.editor.model.change(e=>{const n=e.createDocumentFragment();const i=sM(t,this.editor.plugins.get(\"TableUtils\"),e);e.insert(i,n,0);return n})}_defineSelectionConverter(){const t=this.editor;const e=new Set;t.conversion.for(\"editingDowncast\").add(t=>t.on(\"selection\",(t,i,o)=>{const s=o.writer;n(s);const r=this.getSelectedTableCells();if(!r){return}for(const t of r){const n=o.mapper.toViewElement(t);s.addClass(\"ck-editor__editable_selected\",n);e.add(n)}const a=o.mapper.toViewElement(r[r.length-1]);s.setSelection(a,0)},{priority:\"lowest\"}));function n(t){for(const n of e){t.removeClass(\"ck-editor__editable_selected\",n)}e.clear()}}_enableShiftClickSelection(){const t=this.editor;let e=false;this.listenTo(t.editing.view.document,\"mousedown\",(n,i)=>{if(!this.isEnabled){return}if(!i.domEvent.shiftKey){return}const o=bS(t.model.document.selection)[0];if(!o){return}const s=this._getModelTableCellFromDomEvent(i);if(s&&fM(o,s)){e=true;this._setCellSelection(o,s);i.preventDefault()}});this.listenTo(t.editing.view.document,\"mouseup\",()=>{e=false});this.listenTo(t.editing.view.document,\"selectionChange\",t=>{if(e){t.stop()}},{priority:\"highest\"})}_enableMouseDragSelection(){const t=this.editor;let e,n;let i=false;let o=false;this.listenTo(t.editing.view.document,\"mousedown\",(t,n)=>{if(!this.isEnabled){return}if(n.domEvent.shiftKey||n.domEvent.ctrlKey||n.domEvent.altKey){return}e=this._getModelTableCellFromDomEvent(n)});this.listenTo(t.editing.view.document,\"mousemove\",(t,s)=>{if(!s.domEvent.buttons){return}if(!e){return}const r=this._getModelTableCellFromDomEvent(s);if(r&&fM(e,r)){n=r;if(!i&&n!=e){i=true}}if(!i){return}o=true;this._setCellSelection(e,n);s.preventDefault()});this.listenTo(t.editing.view.document,\"mouseup\",()=>{i=false;o=false;e=null;n=null});this.listenTo(t.editing.view.document,\"selectionChange\",t=>{if(o){t.stop()}},{priority:\"highest\"})}_enablePluginDisabling(){const t=this.editor;this.on(\"change:isEnabled\",()=>{if(!this.isEnabled){const e=this.getSelectedTableCells();if(!e){return}t.model.change(n=>{const i=n.createPositionAt(e[0],0);const o=t.model.schema.getNearestSelectionRange(i);n.setSelection(o)})}})}_handleDeleteContent(t,e){const[n,i]=e;const o=this.editor.model;const s=!i||i.direction==\"backward\";const r=pS(n);if(!r.length){return}t.stop();o.change(t=>{const e=r[s?r.length-1:0];o.change(t=>{for(const e of r){o.deleteContent(t.createSelection(e,\"in\"))}});const i=o.schema.getNearestSelectionRange(t.createPositionAt(e,0));if(n.is(\"documentSelection\")){t.setSelection(i)}else{n.setTo(i)}})}_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;const n=this.editor.editing.view.createPositionAt(e,0);const i=this.editor.editing.mapper.toModelPosition(n);const o=i.parent;if(o.is(\"tableCell\")){return o}return eS(\"tableCell\",o)}_getCellsToSelect(t,e){const n=this.editor.plugins.get(\"TableUtils\");const i=n.getCellLocation(t);const o=n.getCellLocation(e);const s=Math.min(i.row,o.row);const r=Math.max(i.row,o.row);const a=Math.min(i.column,o.column);const c=Math.max(i.column,o.column);const l=[];for(const e of new uS(eS(\"table\",t),{startRow:s,endRow:r})){if(e.column>=a&&e.column<=c){l.push(e.cell)}}if(hM(i,o)){return{cells:l.reverse(),backward:true}}return{cells:l,backward:false}}}function hM(t,e){if(t.row>e.row){return true}if(t.row==e.row&&t.column>e.column){return true}return false}function fM(t,e){return t.parent.parent==e.parent.parent}class mM extends Dw{static get pluginName(){return\"TableClipboard\"}static get requires(){return[uM]}init(){const t=this.editor;const e=t.editing.view.document;this.listenTo(e,\"copy\",(t,e)=>this._onCopyCut(t,e));this.listenTo(e,\"cut\",(t,e)=>this._onCopyCut(t,e))}_onCopyCut(t,e){const n=this.editor.plugins.get(\"TableSelection\");if(!n.getSelectedTableCells()){return}if(t.name==\"cut\"&&this.editor.isReadOnly){return}e.preventDefault();t.stop();const i=this.editor.data;const o=this.editor.editing.view.document;const s=i.toView(n.getSelectionAsFragment());o.fire(\"clipboardOutput\",{dataTransfer:e.dataTransfer,content:s,method:t.name})}}class gM extends Dw{static get pluginName(){return\"TableNavigation\"}init(){const t=this.editor.editing.view;const e=t.document;this.editor.keystrokes.set(\"Tab\",(...t)=>this._handleTabOnSelectedTable(...t),{priority:\"low\"});this.editor.keystrokes.set(\"Tab\",this._getTabHandler(true),{priority:\"low\"});this.editor.keystrokes.set(\"Shift+Tab\",this._getTabHandler(false),{priority:\"low\"});this.listenTo(e,\"keydown\",(...t)=>this._onKeydown(...t),{priority:or.get(\"high\")+1})}_handleTabOnSelectedTable(t,e){const n=this.editor;const i=n.model.document.selection;if(!i.isCollapsed&&i.rangeCount===1&&i.getFirstRange().isFlat){const t=i.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,i)=>{const o=e.model.document.selection;const s=bS(o)[0];if(!s){return}i();const r=s.parent;const a=r.parent;const c=a.getChildIndex(r);const l=r.getChildIndex(s);const d=l===0;if(!t&&d&&c===0){return}const u=l===r.childCount-1;const h=c===a.childCount-1;if(t&&h&&u){e.execute(\"insertTableRowBelow\");if(c===a.childCount-1){return}}let f;if(t&&u){const t=a.getChild(c+1);f=t.getChild(0)}else if(!t&&d){const t=a.getChild(c-1);f=t.getChild(t.childCount-1)}else{f=r.getChild(l+(t?1:-1))}e.model.change(t=>{t.setSelection(t.createRangeIn(f))})}}_onKeydown(t,e){const n=e.keyCode;if(!pM(n)){return}const i=this._handleArrowKeys(bM(n,this.editor.locale.contentLanguageDirection));if(i){e.preventDefault();e.stopPropagation();t.stop()}}_handleArrowKeys(t){const e=this.editor.model;const n=e.document.selection;const i=[\"right\",\"down\"].includes(t);const o=pS(n);if(o.length){const e=i?o[o.length-1]:o[0];this._navigateFromCellInDirection(e,t);return true}const s=eS(\"tableCell\",n.focus);if(!s){return false}const r=e.createRangeIn(s);if(this._isSelectionAtCellEdge(n,i)){this._navigateFromCellInDirection(s,t);return true}const a=n.getSelectedElement();if(a&&e.schema.isObject(a)){return false}if(this._isObjectElementNextToSelection(n,i)){return false}const c=this._findTextRangeFromSelection(r,n,i);if(!c){this._navigateFromCellInDirection(s,t);return true}if([\"left\",\"right\"].includes(t)){return false}if(this._isSingleLineRange(c,i)){e.change(t=>{t.setSelection(i?r.end:r.start)});return true}}_isSelectionAtCellEdge(t,e){const n=this.editor.model;const i=this.editor.model.schema;const o=e?t.getLastPosition():t.getFirstPosition();if(!i.getLimitElement(o).is(\"tableCell\")){return false}const s=n.createSelection(o);n.modifySelection(s,{direction:e?\"forward\":\"backward\"});return o.isEqual(s.focus)}_isObjectElementNextToSelection(t,e){const n=this.editor.model;const i=n.schema;const o=n.createSelection(t);n.modifySelection(o,{direction:e?\"forward\":\"backward\"});const s=e?o.focus.nodeBefore:o.focus.nodeAfter;return s&&i.isObject(s)}_findTextRangeFromSelection(t,e,n){const i=this.editor.model;if(n){const n=e.getLastPosition();const o=this._getNearestVisibleTextPosition(t,\"backward\");if(o&&n.isBefore(o)){return i.createRange(n,o)}return null}else{const n=e.getFirstPosition();const o=this._getNearestVisibleTextPosition(t,\"forward\");if(o&&n.isAfter(o)){return i.createRange(o,n)}return null}}_getNearestVisibleTextPosition(t,e){const n=this.editor.model.schema;const i=this.editor.editing.mapper;for(const{nextPosition:o,item:s}of t.getWalker({direction:e})){if(n.checkChild(o,\"$text\")){const t=i.toViewElement(s);if(t&&!t.hasClass(\"ck-hidden\")){return o}}}}_isSingleLineRange(t,e){const n=this.editor.model;const i=this.editor.editing;const o=i.view.domConverter;if(e){const e=n.createSelection(t.start);n.modifySelection(e);if(!e.focus.isAtEnd&&!t.start.isEqual(e.focus)){t=n.createRange(e.focus,t.end)}}const s=i.mapper.toViewRange(t);const r=o.viewRangeToDom(s);const a=vh.getDomRangeRects(r);let c;for(const t of a){if(c===undefined){c=Math.round(t.bottom);continue}if(Math.round(t.top)>=c){return false}c=Math.max(c,Math.round(t.bottom))}return true}_navigateFromCellInDirection(t,e){const n=this.editor.model;const i=eS(\"table\",t);const o=[...new uS(i,{includeSpanned:true})];const{row:s,column:r}=o[o.length-1];const a=o.find(({cell:e})=>e==t);let{row:c,column:l}=a;switch(e){case\"left\":l--;break;case\"up\":c--;break;case\"right\":l+=a.colspan;break;case\"down\":c+=a.rowspan;break}const d=c<0||c>s;const u=l<0&&c<=0;const h=l>r&&c>=s;if(d||u||h){n.change(t=>{t.setSelection(t.createRangeOn(i))});return}if(l<0){l=r;c--}else if(l>r){l=0;c++}const f=o.find(t=>t.row==c&&t.column==l).cell;const m=[\"right\",\"down\"].includes(e);const g=n.createPositionAt(f,m?0:\"end\");n.change(t=>{t.setSelection(g)})}}function pM(t){return t==Rl.arrowright||t==Rl.arrowleft||t==Rl.arrowup||t==Rl.arrowdown}function bM(t,e){const n=e===\"ltr\";switch(t){case Rl.arrowleft:return n?\"left\":\"right\";case Rl.arrowright:return n?\"right\":\"left\";case Rl.arrowup:return\"up\";case Rl.arrowdown:return\"down\"}}var wM=n(98);class _M extends Dw{static get requires(){return[$E,nM,uM,mM,gM,Yv]}static get pluginName(){return\"Table\"}}class kM extends Dw{static get requires(){return[Cx]}static get pluginName(){return\"TableToolbar\"}afterInit(){const t=this.editor;const e=t.t;const n=t.plugins.get(Cx);const i=t.config.get(\"table.contentToolbar\");const o=t.config.get(\"table.tableToolbar\");if(i){n.register(\"tableContent\",{ariaLabel:e(\"Table toolbar\"),items:i,getRelatedElement:gS})}if(o){n.register(\"table\",{ariaLabel:e(\"Table toolbar\"),items:o,getRelatedElement:mS})}}}class vM{constructor(t,e){this.model=t;this.testCallback=e;this.hasMatch=false;this.set(\"isEnabled\",true);this.on(\"change:isEnabled\",()=>{if(this.isEnabled){this._startListening()}else{this.stopListening(t.document.selection);this.stopListening(t.document)}});this._startListening()}_startListening(){const t=this.model;const e=t.document;this.listenTo(e.selection,\"change:range\",(t,{directChange:n})=>{if(!n){return}if(!e.selection.isCollapsed){if(this.hasMatch){this.fire(\"unmatched\");this.hasMatch=false}return}this._evaluateTextBeforeSelection(\"selection\")});this.listenTo(e,\"change:data\",(t,e)=>{if(e.type==\"transparent\"){return}this._evaluateTextBeforeSelection(\"data\",{batch:e})})}_evaluateTextBeforeSelection(t,e={}){const n=this.model;const i=n.document;const o=i.selection;const s=n.createRange(n.createPositionAt(o.focus.parent,0),o.focus);const{text:r,range:a}=i_(s,n);const c=this.testCallback(r);if(!c&&this.hasMatch){this.fire(\"unmatched\")}this.hasMatch=!!c;if(c){const n=Object.assign(e,{text:r,range:a});if(typeof c==\"object\"){Object.assign(n,c)}this.fire(`matched:${t}`,n)}}}yr(vM,Kc);var yM=/[\\\\^$.*+?()[\\]{}|]/g,xM=RegExp(yM.source);function AM(t){t=va(t);return t&&xM.test(t)?t.replace(yM,\"\\\\$&\"):t}var TM=AM;const CM={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:OM('\"'),to:[null,\"“\",null,\"”\"]},quotesSecondary:{from:OM(\"'\"),to:[null,\"‘\",null,\"’\"]},quotesPrimaryEnGb:{from:OM(\"'\"),to:[null,\"‘\",null,\"’\"]},quotesSecondaryEnGb:{from:OM('\"'),to:[null,\"“\",null,\"”\"]},quotesPrimaryPl:{from:OM('\"'),to:[null,\"„\",null,\"”\"]},quotesSecondaryPl:{from:OM(\"'\"),to:[null,\"‚\",null,\"’\"]}};const PM={symbols:[\"copyright\",\"registeredTrademark\",\"trademark\"],mathematical:[\"oneHalf\",\"oneThird\",\"twoThirds\",\"oneForth\",\"threeQuarters\",\"lessThanOrEqual\",\"greaterThanOrEqual\",\"notEqual\",\"arrowLeft\",\"arrowRight\"],typography:[\"horizontalEllipsis\",\"enDash\",\"emDash\"],quotes:[\"quotesPrimary\",\"quotesSecondary\"]};const SM=[\"symbols\",\"mathematical\",\"typography\",\"quotes\"];class EM extends Dw{static get pluginName(){return\"TextTransformation\"}constructor(t){super(t);t.config.define(\"typing\",{transformations:{include:SM}})}init(){const t=this.editor.model;const e=t.document.selection;e.on(\"change:range\",()=>{this.isEnabled=!e.anchor.parent.is(\"codeBlock\")});this._enableTransformationWatchers()}_enableTransformationWatchers(){const t=this.editor;const e=t.model;const n=t.plugins.get(\"Input\");const i=RM(t.config.get(\"typing.transformations\"));const o=t=>{for(const e of i){const n=e.from;const i=n.test(t);if(i){return{normalizedTransformation:e}}}};const s=(t,i)=>{if(!n.isInput(i.batch)){return}const{from:o,to:s}=i.normalizedTransformation;const r=o.exec(i.text);const a=s(r.slice(1));const c=i.range;let l=r.index;e.enqueueChange(t=>{for(let n=1;n<r.length;n++){const i=r[n];const o=a[n-1];if(o==null){l+=i.length;continue}const s=c.start.getShiftedBy(l);const d=e.createRange(s,s.getShiftedBy(i.length));const u=NM(s);e.insertContent(t.createText(o,u),d);l+=o.length}})};const r=new vM(t.model,o);r.on(\"matched:data\",s);r.bind(\"isEnabled\").to(this)}}function MM(t){if(typeof t==\"string\"){return new RegExp(`(${TM(t)})$`)}return t}function IM(t){if(typeof t==\"string\"){return()=>[t]}else if(t instanceof Array){return()=>t}return t}function NM(t){const e=t.textNode?t.textNode:t.nodeAfter;return e.getAttributes()}function OM(t){return new RegExp(`(^|\\\\s)(${t})([^${t}]*)(${t})$`)}function RM(t){const e=t.extra||[];const n=t.remove||[];const i=t=>!n.includes(t);const o=t.include.concat(e).filter(i);return DM(o).filter(i).map(t=>CM[t]||t).map(t=>({from:MM(t.from),to:IM(t.to)}))}function DM(t){const e=new Set;for(const n of t){if(PM[n]){for(const t of PM[n]){e.add(t)}}else{e.add(n)}}return Array.from(e)}const LM=\"underline\";class zM extends Dw{static get pluginName(){return\"UnderlineEditing\"}init(){const t=this.editor;t.model.schema.extend(\"$text\",{allowAttributes:LM});t.model.schema.setAttributeProperties(LM,{isFormatting:true,copyOnEnter:true});t.conversion.attributeToElement({model:LM,view:\"u\",upcastAlso:{styles:{\"text-decoration\":\"underline\"}}});t.commands.add(LM,new b_(t,LM));t.keystrokes.set(\"CTRL+U\",\"underline\")}}var VM='<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>';const jM=\"underline\";class BM extends Dw{init(){const t=this.editor;const e=t.t;t.ui.componentFactory.add(jM,n=>{const i=t.commands.get(jM);const o=new sw(n);o.set({label:e(\"Underline\"),icon:VM,keystroke:\"CTRL+U\",tooltip:true,isToggleable:true});o.bind(\"isOn\",\"isEnabled\").to(i,\"value\",\"isEnabled\");this.listenTo(o,\"execute\",()=>{t.execute(jM);t.editing.view.focus()});return o})}}class FM extends Dw{static get requires(){return[zM,BM]}static get pluginName(){return\"Underline\"}}function HM(t){if(t.is(\"text\")||t.is(\"textProxy\")){return t.data}let e=\"\";let n=null;for(const i of t.getChildren()){const t=HM(i);if(n&&n.is(\"element\")){e+=\"\\n\"}e+=t;n=i}return e}class UM extends Dw{constructor(t){super(t);this.set(\"characters\",0);this.set(\"words\",0);Object.defineProperties(this,{characters:{get(){return this.characters=this._getCharacters()}},words:{get(){return this.words=this._getWords()}}});this.set(\"_wordsLabel\");this.set(\"_charactersLabel\");this._config=t.config.get(\"wordCount\")||{};this._outputView;this._wordsMatchRegExp=Cl.features.isRegExpUnicodePropertySupported?new RegExp(\"[\\\\p{L}\\\\p{N}\\\\p{M}\\\\p{Pd}\\\\p{Pc}]+\",\"gu\"):/[_\\-a-zA-Z0-9À-ž]+/gu}static get pluginName(){return\"WordCount\"}init(){const t=this.editor;t.model.document.on(\"change:data\",ix(this._refreshStats.bind(this),250));if(typeof this._config.onUpdate==\"function\"){this.on(\"update\",(t,e)=>{this._config.onUpdate(e)})}if(Gs(this._config.container)){this._config.container.appendChild(this.wordCountContainer)}}destroy(){if(this._outputView){this._outputView.element.remove();this._outputView.destroy()}super.destroy()}get wordCountContainer(){const t=this.editor;const e=t.t;const n=t.config.get(\"wordCount.displayWords\");const i=t.config.get(\"wordCount.displayCharacters\");const o=$p.bind(this,this);const s=[];if(!this._outputView){this._outputView=new _b;if(n||n===undefined){this.bind(\"_wordsLabel\").to(this,\"words\",t=>e(\"Words: %0\",[t]));s.push({tag:\"div\",children:[{text:[o.to(\"_wordsLabel\")]}],attributes:{class:\"ck-word-count__words\"}})}if(i||i===undefined){this.bind(\"_charactersLabel\").to(this,\"characters\",t=>e(\"Characters: %0\",[t]));s.push({tag:\"div\",children:[{text:[o.to(\"_charactersLabel\")]}],attributes:{class:\"ck-word-count__characters\"}})}this._outputView.setTemplate({tag:\"div\",attributes:{class:[\"ck\",\"ck-word-count\"]},children:s});this._outputView.render()}return this._outputView.element}_getCharacters(){const t=HM(this.editor.model.document.getRoot());return t.replace(/\\n/g,\"\").length}_getWords(){const t=HM(this.editor.model.document.getRoot());const e=t.match(this._wordsMatchRegExp)||[];return e.length}_refreshStats(){const t=this.words=this._getWords();const e=this.characters=this._getCharacters();this.fire(\"update\",{words:t,characters:e})}}class WM extends Ow{}WM.builtinPlugins=[e_,r_,p_,x_,Vk,Zk,Cv,Ny,Wy,cx,Tx,Mx,mA,kA,CA,XT,LC,rP,Fk,BP,FP,GP,tS,_M,kM,EM,FM,UM];var qM=e[\"default\"]=WM}])[\"default\"]}));"],"mappings":"AAAA;AACA;AACA;AACA;AACA","sourceRoot":""}