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openproject/app/assets/javascripts/vendor/ckeditor/ckeditor.js

1447 lines
759 KiB

/*!
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md.
*/
!function(t){t.en=Object.assign(t.en||{},{a:"Cannot upload file:",b:"Image toolbar",c:"Table toolbar",d:"Bold",e:"Code",f:"Strikethrough",g:"Italic",h:"Dropdown toolbar",i:"Upload in progress",j:"Rich Text Editor, %0",k:"Insert table",l:"Header column",m:"Insert column left",n:"Insert column right",o:"Delete column",p:"Column",q:"Header row",r:"Insert row below",s:"Insert row above",t:"Delete row",u:"Row",v:"Merge cell up",w:"Merge cell right",x:"Merge cell down",y:"Merge cell left",z:"Split cell vertically",aa:"Split cell horizontally",ab:"Merge cells",ac:"To-do List",ad:"Widget toolbar",ae:"Numbered List",af:"Bulleted List",ag:"Full size image",ah:"Side image",ai:"Left aligned image",aj:"Centered image",ak:"Right aligned image",al:"Editor toolbar",am:"Show more items",an:"image widget",ao:"Link",ap:"Enter image caption",aq:"Upload failed",ar:"%0 of %1",as:"Previous",at:"Next",au:"Change image text alternative",av:"Save",aw:"Cancel",ax:"Text alternative",ay:"Open in a new tab",az:"Downloadable",ba:"Unlink",bb:"Edit link",bc:"Open link in new tab",bd:"This link has no URL",be:"Link URL",bf:"Undo",bg:"Redo",bh:"Insert image",bi:"Choose heading",bj:"Heading",bk:"Block quote",bl:"Paragraph",bm:"Heading 1",bn:"Heading 2",bo:"Heading 3",bp:"Heading 4",bq:"Heading 5",br:"Heading 6"})}(window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={})),function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.OPEditor=e():t.OPEditor=e()}(window,(function(){return function(t){var e={};function n(i){if(e[i])return e[i].exports;var o=e[i]={i:i,l:!1,exports:{}};return t[i].call(o.exports,o,o.exports,n),o.l=!0,o.exports}return n.m=t,n.c=e,n.d=function(t,e,i){n.o(t,e)||Object.defineProperty(t,e,{enumerable:!0,get:i})},n.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},n.t=function(t,e){if(1&e&&(t=n(t)),8&e)return t;if(4&e&&"object"==typeof t&&t&&t.__esModule)return t;var i=Object.create(null);if(n.r(i),Object.defineProperty(i,"default",{enumerable:!0,value:t}),2&e&&"string"!=typeof t)for(var o in t)n.d(i,o,function(e){return t[e]}.bind(null,o));return i},n.n=function(t){var e=t&&t.__esModule?function(){return t.default}:function(){return t};return n.d(e,"a",e),e},n.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},n.p="",n(n.s=159)}([function(t,e,n){"use strict";n.d(e,"b",(function(){return o})),n.d(e,"a",(function(){return r}));
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
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/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
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/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
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* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
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* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
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* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
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* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
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/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
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/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
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* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
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/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class pi{constructor(){this.parent=null}get index(){let t;if(!this.parent)return null;if(-1==(t=this.parent.getChildIndex(this)))throw new Zn.b("view-node-not-found-in-parent: The node's parent does not contain this node.",this);return t}get nextSibling(){const t=this.index;return null!==t&&this.parent.getChild(t+1)||null}get previousSibling(){const t=this.index;return null!==t&&this.parent.getChild(t-1)||null}get root(){let t=this;for(;t.parent;)t=t.parent;return t}get document(){return this.parent instanceof pi?this.parent.document:null}getPath(){const t=[];let e=this;for(;e.parent;)t.unshift(e.index),e=e.parent;return t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let n=t.includeSelf?this:this.parent;for(;n;)e[t.parentFirst?"push":"unshift"](n),n=n.parent;return e}getCommonAncestor(t,e={}){const n=this.getAncestors(e),i=t.getAncestors(e);let o=0;for(;n[o]==i[o]&&n[o];)o++;return 0===o?null:n[o-1]}isBefore(t){if(this==t)return!1;if(this.root!==t.root)return!1;const e=this.getPath(),n=t.getPath(),i=ui(e,n);switch(i){case"prefix":return!0;case"extension":return!1;default:return e[i]<n[i]}}isAfter(t){return this!=t&&(this.root===t.root&&!this.isBefore(t))}_remove(){this.parent._removeChildren(this.index)}_fireChange(t,e){this.fire("change:"+t,e),this.parent&&this.parent._fireChange(t,e)}toJSON(){const t=fi(this);return delete t.parent,t}is(t){return"node"==t||"view:node"==t}}di(pi,ii);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class mi extends pi{constructor(t){super(),this._textData=t}is(t){return"text"==t||"view:text"==t||super.is(t)}get data(){return this._textData}get _data(){return this.data}set _data(t){this._fireChange("text",this),this._textData=t}isSimilar(t){return t instanceof mi&&(this===t||this.data===t.data)}_clone(){return new mi(this.data)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class gi{constructor(t,e,n){if(this.textNode=t,e<0||e>t.data.length)throw new Zn.b("view-textproxy-wrong-offsetintext: Given offsetInText value is incorrect.",this);if(n<0||e+n>t.data.length)throw new Zn.b("view-textproxy-wrong-length: Given length value is incorrect.",this);this.data=t.data.substring(e,e+n),this.offsetInText=e}get offsetSize(){return this.data.length}get isPartial(){return this.data.length!==this.textNode.data.length}get parent(){return this.textNode.parent}get root(){return this.textNode.root}get document(){return this.textNode.document}is(t){return"textProxy"==t||"view:textProxy"==t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let n=t.includeSelf?this.textNode:this.parent;for(;null!==n;)e[t.parentFirst?"push":"unshift"](n),n=n.parent;return e}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function bi(t){const e=new Map;for(const n in t)e.set(n,t[n]);return e}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function wi(t){return!(!t||!t[Symbol.iterator])}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class ki{constructor(...t){this._patterns=[],this.add(...t)}add(...t){for(let e of t)("string"==typeof e||e instanceof RegExp)&&(e={name:e}),e.classes&&("string"==typeof e.classes||e.classes instanceof RegExp)&&(e.classes=[e.classes]),this._patterns.push(e)}match(...t){for(const e of t)for(const t of this._patterns){const n=_i(e,t);if(n)return{element:e,pattern:t,match:n}}return null}matchAll(...t){const e=[];for(const n of t)for(const t of this._patterns){const i=_i(n,t);i&&e.push({element:n,pattern:t,match:i})}return e.length>0?e:null}getElementName(){if(1!==this._patterns.length)return null;const t=this._patterns[0],e=t.name;return"function"==typeof t||!e||e instanceof RegExp?null:e}}function _i(t,e){if("function"==typeof e)return e(t);const n={};return e.name&&(n.name=function(t,e){if(t instanceof RegExp)return t.test(e);return t===e}(e.name,t.name),!n.name)?null:e.attributes&&(n.attributes=function(t,e){const n=[];for(const i in t){const o=t[i];if(!e.hasAttribute(i))return null;{const t=e.getAttribute(i);if(!0===o)n.push(i);else if(o instanceof RegExp){if(!o.test(t))return null;n.push(i)}else{if(t!==o)return null;n.push(i)}}}return n}(e.attributes,t),!n.attributes)?null:!(e.classes&&(n.classes=function(t,e){const n=[];for(const i of t)if(i instanceof RegExp){const t=e.getClassNames();for(const e of t)i.test(e)&&n.push(e);if(0===n.length)return null}else{if(!e.hasClass(i))return null;n.push(i)}return n}(e.classes,t),!n.classes))&&(!(e.styles&&(n.styles=function(t,e){const n=[];for(const i in t){const o=t[i];if(!e.hasStyle(i))return null;{const t=e.getStyle(i);if(o instanceof RegExp){if(!o.test(t))return null;n.push(i)}else{if(t!==o)return null;n.push(i)}}}return n}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(e.styles,t),!n.styles))&&n)}class vi extends pi{constructor(t,e,n){if(super(),this.name=t,this._attrs=function(t){t=P(t)?bi(t):new Map(t);for(const[e,n]of t)null===n?t.delete(e):"string"!=typeof n&&t.set(e,String(n));return t}(e),this._children=[],n&&this._insertChild(0,n),this._classes=new Set,this._attrs.has("class")){const t=this._attrs.get("class");xi(this._classes,t),this._attrs.delete("class")}this._styles=new Map,this._attrs.has("style")&&(yi(this._styles,this._attrs.get("style")),this._attrs.delete("style")),this._customProperties=new Map}get childCount(){return this._children.length}get isEmpty(){return 0===this._children.length}is(t,e=null){const n=t.replace(/^view:/,"");return e?"element"==n&&e==this.name:"element"==n||n==this.name||super.is(t)}getChild(t){return this._children[t]}getChildIndex(t){return this._children.indexOf(t)}getChildren(){return this._children[Symbol.iterator]()}*getAttributeKeys(){this._classes.size>0&&(yield"class"),this._styles.size>0&&(yield"style"),yield*this._attrs.keys()}*getAttributes(){yield*this._attrs.entries(),this._classes.size>0&&(yield["class",this.getAttribute("class")]),this._styles.size>0&&(yield["style",this.getAttribute("style")])}getAttribute(t){if("class"==t)return this._classes.size>0?[...this._classes].join(" "):void 0;if("style"!=t)return this._attrs.get(t);if(this._styles.size>0){let t="";for(const[e,n]of this._styles)t+=`${e}:${n};`;return t}}hasAttribute(t){return"class"==t?this._classes.size>0:"style"==t?this._styles.size>0:this._attrs.has(t)}isSimilar(t){if(!(t instanceof vi))return!1;if(this===t)return!0;if(this.name!=t.name)return!1;if(this._attrs.size!==t._attrs.size||this._classes.size!==t._classes.size||this._styles.size!==t._styles.size)return!1;for(const[e,n]of this._attrs)if(!t._attrs.has(e)||t._attrs.get(e)!==n)return!1;for(const e of this._classes)if(!t._classes.has(e))return!1;for(const[e,n]of this._styles)if(!t._styles.has(e)||t._styles.get(e)!==n)return!1;return!0}hasClass(...t){for(const e of t)if(!this._classes.has(e))return!1;return!0}getClassNames(){return this._classes.keys()}getStyle(t){return this._styles.get(t)}getStyleNames(){return this._styles.keys()}hasStyle(...t){for(const e of t)if(!this._styles.has(e))return!1;return!0}findAncestor(...t){const e=new ki(...t);let n=this.parent;for(;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(","),e=Array.from(this._styles).map(t=>`${t[0]}:${t[1]}`).sort().join(";"),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=!1){const e=[];if(t)for(const n of this.getChildren())e.push(n._clone(t));const n=new this.constructor(this.name,this._attrs,e);return n._classes=new Set(this._classes),n._styles=new Map(this._styles),n._customProperties=new Map(this._customProperties),n.getFillerOffset=this.getFillerOffset,n}_appendChild(t){return this._insertChild(this.childCount,t)}_insertChild(t,e){this._fireChange("children",this);let n=0;const i=function(t){if("string"==typeof t)return[new mi(t)];wi(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new mi(t):t instanceof gi?new mi(t.data):t)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(e);for(const e of i)null!==e.parent&&e._remove(),e.parent=this,this._children.splice(t,0,e),t++,n++;return n}_removeChildren(t,e=1){this._fireChange("children",this);for(let n=t;n<t+e;n++)this._children[n].parent=null;return this._children.splice(t,e)}_setAttribute(t,e){e=String(e),this._fireChange("attributes",this),"class"==t?xi(this._classes,e):"style"==t?yi(this._styles,e):this._attrs.set(t,e)}_removeAttribute(t){return this._fireChange("attributes",this),"class"==t?this._classes.size>0&&(this._classes.clear(),!0):"style"==t?this._styles.size>0&&(this._styles.clear(),!0):this._attrs.delete(t)}_addClass(t){this._fireChange("attributes",this),(t=Array.isArray(t)?t:[t]).forEach(t=>this._classes.add(t))}_removeClass(t){this._fireChange("attributes",this),(t=Array.isArray(t)?t:[t]).forEach(t=>this._classes.delete(t))}_setStyle(t,e){if(this._fireChange("attributes",this),P(t)){const e=Object.keys(t);for(const n of e)this._styles.set(n,t[n])}else this._styles.set(t,e)}_removeStyle(t){this._fireChange("attributes",this),(t=Array.isArray(t)?t:[t]).forEach(t=>this._styles.delete(t))}_setCustomProperty(t,e){this._customProperties.set(t,e)}_removeCustomProperty(t){return this._customProperties.delete(t)}}function yi(t,e){let n=null,i=0,o=0,r=null;if(t.clear(),""!==e){";"!=e.charAt(e.length-1)&&(e+=";");for(let s=0;s<e.length;s++){const a=e.charAt(s);if(null===n)switch(a){case":":r||(r=e.substr(i,s-i),o=s+1);break;case'"':case"'":n=a;break;case";":{const n=e.substr(o,s-o);r&&t.set(r.trim(),n.trim()),r=null,i=s+1;break}}else a===n&&(n=null)}}}function xi(t,e){const n=e.split(/\s+/);t.clear(),n.forEach(e=>t.add(e))}class Ci extends vi{constructor(t,e,n){super(t,e,n),this.getFillerOffset=Ai}is(t,e=null){const n=t&&t.replace(/^view:/,"");return e?"containerElement"==n&&e==this.name||super.is(t,e):"containerElement"==n||super.is(t)}}function Ai(){const t=[...this.getChildren()],e=t[this.childCount-1];if(e&&e.is("element","br"))return this.childCount;for(const e of t)if(!e.is("uiElement"))return null;return this.childCount}var Pi=function(t){return t};var Ti=function(t,e,n){switch(n.length){case 0:return t.call(e);case 1:return t.call(e,n[0]);case 2:return t.call(e,n[0],n[1]);case 3:return t.call(e,n[0],n[1],n[2])}return t.apply(e,n)},Ei=Math.max;var Si=function(t,e,n){return e=Ei(void 0===e?t.length-1:e,0),function(){for(var i=arguments,o=-1,r=Ei(i.length-e,0),s=Array(r);++o<r;)s[o]=i[e+o];o=-1;for(var a=Array(e+1);++o<e;)a[o]=i[o];return a[e]=n(s),Ti(t,this,a)}};var Ri=function(t){return function(){return t}},Ii=Nt?function(t,e){return Nt(t,"toString",{configurable:!0,enumerable:!1,value:Ri(e),writable:!0})}:Pi,Oi=800,Di=16,Mi=Date.now;var Ni=function(t){var e=0,n=0;return function(){var i=Mi(),o=Di-(i-n);if(n=i,o>0){if(++e>=Oi)return arguments[0]}else e=0;return t.apply(void 0,arguments)}}(Ii);var Vi=function(t,e){return Ni(Si(t,e,Pi),t+"")};var Fi=function(t,e,n){if(!q(n))return!1;var i=typeof e;return!!("number"==i?fe(n)&&Qt(e,n.length):"string"==i&&e in n)&&E(n[e],t)};var Bi=function(t){return Vi((function(e,n){var i=-1,o=n.length,r=o>1?n[o-1]:void 0,s=o>2?n[2]:void 0;for(r=t.length>3&&"function"==typeof r?(o--,r):void 0,s&&Fi(n[0],n[1],s)&&(r=o<3?void 0:r,o=1),e=Object(e);++i<o;){var a=n[i];a&&t(e,a,i,r)}return e}))}((function(t,e){Lt(e,ke(e),t)}));
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
const Li=Symbol("observableProperties"),zi=Symbol("boundObservables"),qi=Symbol("boundProperties"),ji={set(t,e){if(q(t))return void Object.keys(t).forEach(e=>{this.set(e,t[e])},this);Ui(this);const n=this[Li];if(t in this&&!n.has(t))throw new Zn.b("observable-set-cannot-override: Cannot override an existing property.",this);Object.defineProperty(this,t,{enumerable:!0,configurable:!0,get:()=>n.get(t),set(e){const i=n.get(t);let o=this.fire("set:"+t,t,e,i);void 0===o&&(o=e),i===o&&n.has(t)||(n.set(t,o),this.fire("change:"+t,t,o,i))}}),this[t]=e},bind(...t){if(!t.length||!Gi(t))throw new Zn.b("observable-bind-wrong-properties: All properties must be strings.",this);if(new Set(t).size!==t.length)throw new Zn.b("observable-bind-duplicate-properties: Properties must be unique.",this);Ui(this);const e=this[qi];t.forEach(t=>{if(e.has(t))throw new Zn.b("observable-bind-rebind: Cannot bind the same property more that once.",this)});const n=new Map;return t.forEach(t=>{const i={property:t,to:[]};e.set(t,i),n.set(t,i)}),{to:$i,toMany:Wi,_observable:this,_bindProperties:t,_to:[],_bindings:n}},unbind(...t){if(!(Li in this))return;const e=this[qi],n=this[zi];if(t.length){if(!Gi(t))throw new Zn.b("observable-unbind-wrong-properties: Properties must be strings.",this);t.forEach(t=>{const i=e.get(t);if(!i)return;let o,r,s,a;i.to.forEach(t=>{o=t[0],r=t[1],s=n.get(o),(a=s[r]).delete(i),a.size||delete s[r],Object.keys(s).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 Zn.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)}}};Bi(ji,ii);var Hi=ji;function Ui(t){Li in t||(Object.defineProperty(t,Li,{value:new Map}),Object.defineProperty(t,zi,{value:new Map}),Object.defineProperty(t,qi,{value:new Map}))}function $i(...t){const e=function(...t){if(!t.length)throw new Zn.b("observable-bind-to-parse-error: Invalid argument syntax in `to()`.",null);const e={to:[]};let n;"function"==typeof t[t.length-1]&&(e.callback=t.pop());return t.forEach(t=>{if("string"==typeof t)n.properties.push(t);else{if("object"!=typeof t)throw new Zn.b("observable-bind-to-parse-error: Invalid argument syntax in `to()`.",null);n={observable:t,properties:[]},e.to.push(n)}}),e}(...t),n=Array.from(this._bindings.keys()),i=n.length;if(!e.callback&&e.to.length>1)throw new Zn.b("observable-bind-to-no-callback: Binding multiple observables only possible with callback.",this);if(i>1&&e.callback)throw new Zn.b("observable-bind-to-extra-callback: Cannot bind multiple properties and use a callback in one binding.",this);var o;
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/e.to.forEach(t=>{if(t.properties.length&&t.properties.length!==i)throw new Zn.b("observable-bind-to-properties-length: The number of properties must match.",this);t.properties.length||(t.properties=this._bindProperties)}),this._to=e.to,e.callback&&(this._bindings.get(n[0]).callback=e.callback),o=this._observable,this._to.forEach(t=>{const e=o[zi];let n;e.get(t.observable)||o.listenTo(t.observable,"change",(i,r)=>{(n=e.get(t.observable)[r])&&n.forEach(t=>{Ki(o,t.property)})})}),function(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]),function(t,e,n,i){const o=t[zi],r=o.get(n),s=r||{};s[i]||(s[i]=new Set);s[i].add(e),r||o.set(n,s)}(t._observable,n,o.observable,e)})})}(this),this._bindProperties.forEach(t=>{Ki(this._observable,t)})}function Wi(t,e,n){if(this._bindings.size>1)throw new Zn.b("observable-bind-to-many-not-one-binding: Cannot bind multiple properties with toMany().",this);this.to(...function(t,e){const n=t.map(t=>[t,e]);return Array.prototype.concat.apply([],n)}(t,e),n)}function Gi(t){return t.every(t=>"string"==typeof t)}function Ki(t,e){const n=t[qi].get(e);let i;i=n.callback?n.callback.apply(t,n.to.map(t=>t[0][t[1]])):(i=n.to[0])[0][i[1]],t.hasOwnProperty(e)?t[e]=i:t.set(e,i)}const Ji=Symbol("document");class Zi extends Ci{constructor(t,e,n){super(t,e,n),this.set("isReadOnly",!1),this.set("isFocused",!1)}is(t,e=null){const n=t&&t.replace(/^view:/,"");return e?"editableElement"==n&&e==this.name||super.is(t,e):"editableElement"==n||super.is(t)}destroy(){this.stopListening()}get document(){return this.getCustomProperty(Ji)}set _document(t){if(this.getCustomProperty(Ji))throw new Zn.b("view-editableelement-document-already-set: View document is already set.",this);this._setCustomProperty(Ji,t),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})}}di(Zi,Hi);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
const Qi=Symbol("rootName");class Yi extends Zi{constructor(t){super(t),this.rootName="main"}is(t,e=null){const n=t.replace(/^view:/,"");return e?"rootElement"==n&&e==this.name||super.is(t,e):"rootElement"==n||super.is(t)}get rootName(){return this.getCustomProperty(Qi)}set rootName(t){this._setCustomProperty(Qi,t)}set _name(t){this.name=t}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Xi{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new Zn.b("view-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.",null);if(t.direction&&"forward"!=t.direction&&"backward"!=t.direction)throw new Zn.b("view-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.",t.startPosition,{direction:t.direction});this.boundaries=t.boundaries||null,t.startPosition?this.position=to._createAt(t.startPosition):this.position=to._createAt(t.boundaries["backward"==t.direction?"end":"start"]),this.direction=t.direction||"forward",this.singleCharacters=!!t.singleCharacters,this.shallow=!!t.shallow,this.ignoreElementEnd=!!t.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null}[Symbol.iterator](){return this}skip(t){let e,n,i;do{i=this.position,({done:e,value:n}=this.next())}while(!e&&t(n));e||(this.position=i)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){let t=this.position.clone();const e=this.position,n=t.parent;if(null===n.parent&&t.offset===n.childCount)return{done:!0};if(n===this._boundaryEndParent&&t.offset==this.boundaries.end.offset)return{done:!0};let i;if(n instanceof mi){if(t.isAtEnd)return this.position=to._createAfter(n),this._next();i=n.data[t.offset]}else i=n.getChild(t.offset);if(i instanceof vi)return this.shallow?t.offset++:t=new to(i,0),this.position=t,this._formatReturnValue("elementStart",i,e,t,1);if(i instanceof mi){if(this.singleCharacters)return t=new to(i,0),this.position=t,this._next();{let n,o=i.data.length;return i==this._boundaryEndParent?(o=this.boundaries.end.offset,n=new gi(i,0,o),t=to._createAfter(n)):(n=new gi(i,0,i.data.length),t.offset++),this.position=t,this._formatReturnValue("text",n,e,t,o)}}if("string"==typeof i){let i;if(this.singleCharacters)i=1;else{i=(n===this._boundaryEndParent?this.boundaries.end.offset:n.data.length)-t.offset}const o=new gi(n,t.offset,i);return t.offset+=i,this.position=t,this._formatReturnValue("text",o,e,t,i)}return t=to._createAfter(n),this.position=t,this.ignoreElementEnd?this._next():this._formatReturnValue("elementEnd",n,e,t)}_previous(){let t=this.position.clone();const e=this.position,n=t.parent;if(null===n.parent&&0===t.offset)return{done:!0};if(n==this._boundaryStartParent&&t.offset==this.boundaries.start.offset)return{done:!0};let i;if(n instanceof mi){if(t.isAtStart)return this.position=to._createBefore(n),this._previous();i=n.data[t.offset-1]}else i=n.getChild(t.offset-1);if(i instanceof vi)return this.shallow?(t.offset--,this.position=t,this._formatReturnValue("elementStart",i,e,t,1)):(t=new to(i,i.childCount),this.position=t,this.ignoreElementEnd?this._previous():this._formatReturnValue("elementEnd",i,e,t));if(i instanceof mi){if(this.singleCharacters)return t=new to(i,i.data.length),this.position=t,this._previous();{let n,o=i.data.length;if(i==this._boundaryStartParent){const e=this.boundaries.start.offset;o=(n=new gi(i,e,i.data.length-e)).data.length,t=to._createBefore(n)}else n=new gi(i,0,i.data.length),t.offset--;return this.position=t,this._formatReturnValue("text",n,e,t,o)}}if("string"==typeof i){let i;if(this.singleCharacters)i=1;else{const e=n===this._boundaryStartParent?this.boundaries.start.offset:0;i=t.offset-e}t.offset-=i;const o=new gi(n,t.offset,i);return this.position=t,this._formatReturnValue("text",o,e,t,i)}return t=to._createBefore(n),this.position=t,this._formatReturnValue("elementStart",n,e,t,1)}_formatReturnValue(t,e,n,i,o){return e instanceof gi&&(e.offsetInText+e.data.length==e.textNode.data.length&&("forward"!=this.direction||this.boundaries&&this.boundaries.end.isEqual(this.position)?n=to._createAfter(e.textNode):(i=to._createAfter(e.textNode),this.position=i)),0===e.offsetInText&&("backward"!=this.direction||this.boundaries&&this.boundaries.start.isEqual(this.position)?n=to._createBefore(e.textNode):(i=to._createBefore(e.textNode),this.position=i))),{done:!1,value:{type:t,item:e,previousPosition:n,nextPosition:
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class to{constructor(t,e){this.parent=t,this.offset=e}get nodeAfter(){return this.parent.is("text")?null:this.parent.getChild(this.offset)||null}get nodeBefore(){return this.parent.is("text")?null:this.parent.getChild(this.offset-1)||null}get isAtStart(){return 0===this.offset}get isAtEnd(){const t=this.parent.is("text")?this.parent.data.length:this.parent.childCount;return this.offset===t}get root(){return this.parent.root}get editableElement(){let t=this.parent;for(;!(t instanceof Zi);){if(!t.parent)return null;t=t.parent}return t}getShiftedBy(t){const e=to._createAt(this),n=e.offset+t;return e.offset=n<0?0:n,e}getLastMatchingPosition(t,e={}){e.startPosition=this;const n=new Xi(e);return n.skip(t),n.position}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonAncestor(t){const e=this.getAncestors(),n=t.getAncestors();let i=0;for(;e[i]==n[i]&&e[i];)i++;return 0===i?null:e[i-1]}is(t){return"position"==t||"view:position"==t}isEqual(t){return this.parent==t.parent&&this.offset==t.offset}isBefore(t){return"before"==this.compareWith(t)}isAfter(t){return"after"==this.compareWith(t)}compareWith(t){if(this.root!==t.root)return"different";if(this.isEqual(t))return"same";const e=this.parent.is("node")?this.parent.getPath():[],n=t.parent.is("node")?t.parent.getPath():[];e.push(this.offset),n.push(t.offset);const i=ui(e,n);switch(i){case"prefix":return"before";case"extension":return"after";default:return e[i]<n[i]?"before":"after"}}getWalker(t={}){return t.startPosition=this,new Xi(t)}clone(){return new to(this.parent,this.offset)}static _createAt(t,e){if(t instanceof to)return new this(t.parent,t.offset);{const n=t;if("end"==e)e=n.is("text")?n.data.length:n.childCount;else{if("before"==e)return this._createBefore(n);if("after"==e)return this._createAfter(n);if(0!==e&&!e)throw new Zn.b("view-createPositionAt-offset-required: View#createPositionAt() requires the offset when the first parameter is a view item.",n)}return new to(n,e)}}static _createAfter(t){if(t.is("textProxy"))return new to(t.textNode,t.offsetInText+t.data.length);if(!t.parent)throw new Zn.b("view-position-after-root: You can not make position after root.",t,{root:t});return new to(t.parent,t.index+1)}static _createBefore(t){if(t.is("textProxy"))return new to(t.textNode,t.offsetInText);if(!t.parent)throw new Zn.b("view-position-before-root: You can not make position before root.",t,{root:t});return new to(t.parent,t.index)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class eo{constructor(t,e=null){this.start=t.clone(),this.end=e?e.clone():t.clone()}*[Symbol.iterator](){yield*new Xi({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return this.start.parent===this.end.parent}get root(){return this.start.root}getEnlarged(){let t=this.start.getLastMatchingPosition(no,{direction:"backward"}),e=this.end.getLastMatchingPosition(no);return t.parent.is("text")&&t.isAtStart&&(t=to._createBefore(t.parent)),e.parent.is("text")&&e.isAtEnd&&(e=to._createAfter(e.parent)),new eo(t,e)}getTrimmed(){let t=this.start.getLastMatchingPosition(no);if(t.isAfter(this.end)||t.isEqual(this.end))return new eo(t,t);let e=this.end.getLastMatchingPosition(no,{direction:"backward"});const n=t.nodeAfter,i=e.nodeBefore;return n&&n.is("text")&&(t=new to(n,0)),i&&i.is("text")&&(e=new to(i,i.data.length)),new eo(t,e)}isEqual(t){return this==t||this.start.isEqual(t.start)&&this.end.isEqual(t.end)}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=!1){t.isCollapsed&&(e=!1);const n=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),i=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return n&&i}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new eo(this.start,t.start)),this.containsPosition(t.end)&&e.push(new eo(t.end,this.end))):e.push(this.clone()),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,n=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(n=t.end),new eo(e,n)}return null}getWalker(t={}){return t.boundaries=this,new Xi(t)}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}clone(){return new eo(this.start,this.end)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new Xi(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new Xi(t);yield e.position;for(const t of e)yield t.nextPosition}is(t){return"range"==t||"view:range"==t}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}static _createFromParentsAndOffsets(t,e,n,i){return new this(new to(t,e),new to(n,i))}static _createFromPositionAndShift(t,e){const n=t,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(to._createBefore(t),e)}}function no(t){return!(!t.item.is("attributeElement")&&!t.item.is("uiElement"))}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function io(t){let e=0;for(const n of t)e++;return e}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class oo{constructor(t=null,e,n){this._ranges=[],this._lastRangeBackward=!1,this._isFake=!1,this._fakeSelectionLabel="",this.setTo(t,e,n)}get isFake(){return this._isFake}get fakeSelectionLabel(){return this._fakeSelectionLabel}get anchor(){if(!this._ranges.length)return null;const t=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?t.end:t.start).clone()}get focus(){if(!this._ranges.length)return null;const t=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?t.start:t.end).clone()}get isCollapsed(){return 1===this.rangeCount&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}get editableElement(){return this.anchor?this.anchor.editableElement:null}*getRanges(){for(const t of this._ranges)yield t.clone()}getFirstRange(){let t=null;for(const e of this._ranges)t&&!e.start.isBefore(t.start)||(t=e);return t?t.clone():null}getLastRange(){let t=null;for(const e of this._ranges)t&&!e.end.isAfter(t.end)||(t=e);return t?t.clone():null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}isEqual(t){if(this.isFake!=t.isFake)return!1;if(this.isFake&&this.fakeSelectionLabel!=t.fakeSelectionLabel)return!1;if(this.rangeCount!=t.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus))return!1;for(const e of this._ranges){let n=!1;for(const i of t._ranges)if(e.isEqual(i)){n=!0;break}if(!n)return!1}return!0}isSimilar(t){if(this.isBackward!=t.isBackward)return!1;const e=io(this.getRanges());if(e!=io(t.getRanges()))return!1;if(0==e)return!0;for(let e of this.getRanges()){e=e.getTrimmed();let n=!1;for(let i of t.getRanges())if(i=i.getTrimmed(),e.start.isEqual(i.start)&&e.end.isEqual(i.end)){n=!0;break}if(!n)return!1}return!0}getSelectedElement(){if(1!==this.rangeCount)return null;const t=this.getFirstRange();let e=t.start.nodeAfter,n=t.end.nodeBefore;return t.start.parent.is("text")&&t.start.isAtEnd&&t.start.parent.nextSibling&&(e=t.start.parent.nextSibling),t.end.parent.is("text")&&t.end.isAtStart&&t.end.parent.previousSibling&&(n=t.end.parent.previousSibling),e instanceof vi&&e==n?e:null}setTo(t,e,n){if(null===t)this._setRanges([]),this._setFakeOptions(e);else if(t instanceof oo||t instanceof ro)this._setRanges(t.getRanges(),t.isBackward),this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel});else if(t instanceof eo)this._setRanges([t],e&&e.backward),this._setFakeOptions(e);else if(t instanceof to)this._setRanges([new eo(t)]),this._setFakeOptions(e);else if(t instanceof pi){const i=!!n&&!!n.backward;let o;if(void 0===e)throw new Zn.b("view-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.",this);o="in"==e?eo._createIn(t):"on"==e?eo._createOn(t):new eo(to._createAt(t,e)),this._setRanges([o],i),this._setFakeOptions(n)}else{if(!wi(t))throw new Zn.b("view-selection-setTo-not-selectable: Cannot set selection to given place.",this);this._setRanges(t,e&&e.backward),this._setFakeOptions(e)}this.fire("change")}setFocus(t,e){if(null===this.anchor)throw new Zn.b("view-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.",this);const n=to._createAt(t,e);if("same"==n.compareWith(this.focus))return;const i=this.anchor;this._ranges.pop(),"before"==n.compareWith(i)?this._addRange(new eo(n,i),!0):this._addRange(new eo(i,n)),this.fire("change")}is(t){return"selection"==t||"view:selection"==t}_setRanges(t,e=!1){t=Array.from(t),this._ranges=[];for(const e of t)this._addRange(e);this._lastRangeBackward=!!e}_setFakeOptions(t={}){this._isFake=!!t.fake,this._fakeSelectionLabel=t.fake&&t.label||""}_addRange(t,e=!1){if(!(t instanceof eo))throw new Zn.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.isIn
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class ro{constructor(t=null,e,n){this._selection=new oo,this._selection.delegate("change").to(this),this._selection.setTo(t,e,n)}get isFake(){return this._selection.isFake}get fakeSelectionLabel(){return this._selection.fakeSelectionLabel}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get isCollapsed(){return this._selection.isCollapsed}get rangeCount(){return this._selection.rangeCount}get isBackward(){return this._selection.isBackward}get editableElement(){return this._selection.editableElement}get _ranges(){return this._selection._ranges}*getRanges(){yield*this._selection.getRanges()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getSelectedElement(){return this._selection.getSelectedElement()}isEqual(t){return this._selection.isEqual(t)}isSimilar(t){return this._selection.isSimilar(t)}is(t){return"selection"==t||"documentSelection"==t||"view:selection"==t||"view:documentSelection"==t}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setFocus(t,e){this._selection.setFocus(t,e)}}di(ro,ii);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class so{constructor(t={}){this._items=[],this._itemMap=new Map,this._idProperty=t.idProperty||"id",this._bindToExternalToInternalMap=new WeakMap,this._bindToInternalToExternalMap=new WeakMap,this._skippedIndexesFromExternal=[]}get length(){return this._items.length}get first(){return this._items[0]||null}get last(){return this._items[this.length-1]||null}add(t,e){let n;const i=this._idProperty;if(i in t){if("string"!=typeof(n=t[i]))throw new Zn.b("collection-add-invalid-id",this);if(this.get(n))throw new Zn.b("collection-add-item-already-exists",this)}else t[i]=n=Xn();if(void 0===e)e=this._items.length;else if(e>this._items.length||e<0)throw new Zn.b("collection-add-item-invalid-index",this);return this._items.splice(e,0,t),this._itemMap.set(n,t),this.fire("add",t,e),this}get(t){let e;if("string"==typeof t)e=this._itemMap.get(t);else{if("number"!=typeof t)throw new Zn.b("collection-get-invalid-arg: Index or id must be given.",this);e=this._items[t]}return e||null}has(t){if("string"==typeof t)return this._itemMap.has(t);{const e=t[this._idProperty];return this._itemMap.has(e)}}getIndex(t){let e;return e="string"==typeof t?this._itemMap.get(t):t,this._items.indexOf(e)}remove(t){let e,n,i,o=!1;const r=this._idProperty;if("string"==typeof t?(n=t,o=!(i=this._itemMap.get(n)),i&&(e=this._items.indexOf(i))):"number"==typeof t?(e=t,o=!(i=this._items[e]),i&&(n=i[r])):(n=(i=t)[r],o=-1==(e=this._items.indexOf(i))||!this._itemMap.get(n)),o)throw new Zn.b("collection-remove-404: Item not found.",this);this._items.splice(e,1),this._itemMap.delete(n);const s=this._bindToInternalToExternalMap.get(i);return this._bindToInternalToExternalMap.delete(i),this._bindToExternalToInternalMap.delete(s),this.fire("remove",i,e),i}map(t,e){return this._items.map(t,e)}find(t,e){return this._items.find(t,e)}filter(t,e){return this._items.filter(t,e)}clear(){for(this._bindToCollection&&(this.stopListening(this._bindToCollection),this._bindToCollection=null);this.length;)this.remove(0)}bindTo(t){if(this._bindToCollection)throw new Zn.b("collection-bind-to-rebind: The collection cannot be bound more than once.",this);return this._bindToCollection=t,{as:t=>{this._setUpBindToBinding(e=>new t(e))},using:t=>{"function"==typeof t?this._setUpBindToBinding(e=>t(e)):this._setUpBindToBinding(e=>e[t])}}}_setUpBindToBinding(t){const e=this._bindToCollection,n=(n,i,o)=>{const r=e._bindToCollection==this,s=e._bindToInternalToExternalMap.get(i);if(r&&s)this._bindToExternalToInternalMap.set(i,s),this._bindToInternalToExternalMap.set(s,i);else{const n=t(i);if(!n)return void this._skippedIndexesFromExternal.push(o);let r=o;for(const t of this._skippedIndexesFromExternal)o>t&&r--;for(const t of e._skippedIndexesFromExternal)r>=t&&r++;this._bindToExternalToInternalMap.set(i,n),this._bindToInternalToExternalMap.set(n,i),this.add(n,r);for(let t=0;t<e._skippedIndexesFromExternal.length;t++)r<=e._skippedIndexesFromExternal[t]&&e._skippedIndexesFromExternal[t]++}};for(const t of e)n(0,t,e.getIndex(t));this.listenTo(e,"add",n),this.listenTo(e,"remove",(t,e,n)=>{const i=this._bindToExternalToInternalMap.get(e);i&&this.remove(i),this._skippedIndexesFromExternal=this._skippedIndexesFromExternal.reduce((t,e)=>(n<e&&t.push(e-1),n>e&&t.push(e),t),[])})}[Symbol.iterator](){return this._items[Symbol.iterator]()}}di(so,ii);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class ao{constructor(){this.selection=new ro,this.roots=new so({idProperty:"rootName"}),this.set("isReadOnly",!1),this.set("isFocused",!1),this.set("isComposing",!1),this._postFixers=new Set}getRoot(t="main"){return this.roots.get(t)}registerPostFixer(t){this._postFixers.add(t)}destroy(){this.roots.map(t=>t.destroy()),this.stopListening()}_callPostFixers(t){let e=!1;do{for(const n of this._postFixers)if(e=n(t))break}while(e)}}di(ao,Hi);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
const co=10;class lo extends vi{constructor(t,e,n){super(t,e,n),this.getFillerOffset=uo,this._priority=co,this._id=null,this._clonesGroup=null}get priority(){return this._priority}get id(){return this._id}getElementsWithSameId(){if(null===this.id)throw new Zn.b("attribute-element-get-elements-with-same-id-no-id: Cannot get elements with the same id for an attribute element without id.",this);return new Set(this._clonesGroup)}is(t,e=null){const n=t&&t.replace(/^view:/,"");return e?"attributeElement"==n&&e==this.name||super.is(t,e):"attributeElement"==n||super.is(t)}isSimilar(t){return null!==this.id||null!==t.id?this.id===t.id:super.isSimilar(t)&&this.priority==t.priority}_clone(t){const e=super._clone(t);return e._priority=this._priority,e._id=this._id,e}}function uo(){if(ho(this))return null;let t=this.parent;for(;t&&t.is("attributeElement");){if(ho(t)>1)return null;t=t.parent}return!t||ho(t)>1?null:this.childCount}function ho(t){return Array.from(t.getChildren()).filter(t=>!t.is("uiElement")).length}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/lo.DEFAULT_PRIORITY=co;class fo extends vi{constructor(t,e,n){super(t,e,n),this.getFillerOffset=po}is(t,e=null){const n=t.replace(/^view:/,"");return e?"emptyElement"==n&&e==this.name||super.is(t,e):"emptyElement"==n||super.is(t)}_insertChild(t,e){if(e&&(e instanceof pi||Array.from(e).length>0))throw new Zn.b("view-emptyelement-cannot-add: Cannot add child nodes to EmptyElement instance.",[this,e])}}function po(){return null}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/const mo=navigator.userAgent.toLowerCase();var go={isMac:function(t){return t.indexOf("macintosh")>-1}(mo),isEdge:function(t){return!!t.match(/edge\/(\d+.?\d*)/)}(mo),isGecko:function(t){return!!t.match(/gecko\/\d+/)}(mo),isSafari:function(t){return t.indexOf(" applewebkit/")>-1&&-1===t.indexOf("chrome")}(mo),isAndroid:function(t){return t.indexOf("android")>-1}(mo),features:{isRegExpUnicodePropertySupported:function(){let t=!1;try{t=0==="ć".search(new RegExp("[\\p{L}]","u"))}catch(t){}return t}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/()}};const bo={"⌘":"ctrl","⇧":"shift","⌥":"alt"},wo={ctrl:"⌘",shift:"⇧",alt:"⌥"},ko=function(){const t={arrowleft:37,arrowup:38,arrowright:39,arrowdown:40,backspace:8,delete:46,enter:13,space:32,esc:27,tab:9,ctrl:1114112,cmd:1114112,shift:2228224,alt:4456448};for(let e=65;e<=90;e++){const n=String.fromCharCode(e);t[n.toLowerCase()]=e}for(let e=48;e<=57;e++)t[e-48]=e;for(let e=112;e<=123;e++)t["f"+(e-111)]=e;return t}();function _o(t){let e;if("string"==typeof t){if(!(e=ko[t.toLowerCase()]))throw new Zn.b("keyboard-unknown-key: Unknown key name.",null,{key:t})}else e=t.keyCode+(t.altKey?ko.alt:0)+(t.ctrlKey?ko.ctrl:0)+(t.shiftKey?ko.shift:0);return e}function vo(t){return"string"==typeof t&&(t=yo(t)),t.map(t=>"string"==typeof t?_o(t):t).reduce((t,e)=>e+t,0)}function yo(t){return t.split(/\s*\+\s*/)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class xo extends vi{constructor(t,e,n){super(t,e,n),this.getFillerOffset=Ao}is(t,e=null){const n=t.replace(/^view:/,"");return e?"uiElement"==n&&e==this.name||super.is(t,e):"uiElement"==n||super.is(t)}_insertChild(t,e){if(e&&(e instanceof pi||Array.from(e).length>0))throw new Zn.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 Co(t){t.document.on("keydown",(e,n)=>(function(t,e,n){if(e.keyCode==ko.arrowright){const t=e.domTarget.ownerDocument.defaultView.getSelection(),i=1==t.rangeCount&&t.getRangeAt(0).collapsed;if(i||e.shiftKey){const e=t.focusNode,o=t.focusOffset,r=n.domPositionToView(e,o);if(null===r)return;let s=!1;const a=r.getLastMatchingPosition(t=>(t.item.is("uiElement")&&(s=!0),!(!t.item.is("uiElement")&&!t.item.is("attributeElement"))));if(s){const e=n.viewPositionToDom(a);i?t.collapse(e.parent,e.offset):t.extend(e.parent,e.offset)}}}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/)(0,n,t.domConverter))}function Ao(){return null}class Po{constructor(t){this._children=[],t&&this._insertChild(0,t)}[Symbol.iterator](){return this._children[Symbol.iterator]()}get childCount(){return this._children.length}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(t){return"documentFragment"==t||"view:documentFragment"==t}_appendChild(t){return this._insertChild(this.childCount,t)}getChild(t){return this._children[t]}getChildIndex(t){return this._children.indexOf(t)}getChildren(){return this._children[Symbol.iterator]()}_insertChild(t,e){this._fireChange("children",this);let n=0;const i=function(t){if("string"==typeof t)return[new mi(t)];wi(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new mi(t):t instanceof gi?new mi(t.data):t)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(e);for(const e of i)null!==e.parent&&e._remove(),e.parent=this,this._children.splice(t,0,e),t++,n++;return n}_removeChildren(t,e=1){this._fireChange("children",this);for(let n=t;n<t+e;n++)this._children[n].parent=null;return this._children.splice(t,e)}_fireChange(t,e){this.fire("change:"+t,e)}}di(Po,ii);class To{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 mi(t)}createAttributeElement(t,e,n={}){const i=new lo(t,e);return n.priority&&(i._priority=n.priority),n.id&&(i._id=n.id),i}createContainerElement(t,e){return new Ci(t,e)}createEditableElement(t,e){const n=new Zi(t,e);return n._document=this.document,n}createEmptyElement(t,e){return new fo(t,e)}createUIElement(t,e,n){const i=new xo(t,e);return n&&(i.render=n),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){P(t)&&void 0===n&&(n=e),n._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,n){n._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}breakAttributes(t){return t instanceof to?this._breakAttributes(t):this._breakAttributesRange(t)}breakContainer(t){const e=t.parent;if(!e.is("containerElement"))throw new Zn.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 Zn.b("view-writer-break-root: Trying to break root element.",this.document);if(t.isAtStart)return to._createBefore(e);if(!t.isAtEnd){const n=e._clone(!1);this.insert(to._createAfter(e),n);const i=new eo(t,to._createAt(e,"end")),o=new to(n,0);this.move(i,o)}return to._createAfter(e)}mergeAttributes(t){const e=t.offset,n=t.parent;if(n.is("text"))return t;if(n.is("attributeElement")&&0===n.childCount){const t=n.parent,e=n.index;return n._remove(),this._removeFromClonedElementsGroup(n),this.mergeAttributes(new to(t,e))}const i=n.getChild(e-1),o=n.getChild(e);if(!i||!o)return t;if(i.is("text")&&o.is("text"))return Oo(i,o);if(i.is("attributeElement")&&o.is("attributeElement")&&i.isSimilar(o)){const t=i.childCount;return i._appendChild(o.getChildren()),o._remove(),this._removeFromClonedElementsGroup(o),this.mergeAttributes(new to(i,t))}return t}mergeContainers(t){const e=t.nodeBefore,n=t.nodeAfter;if(!(e&&n&&e.is("containerElement")&&n.is("containerElement")))throw new Zn.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),o=i instanceof mi?to._createAt(i,"end"):to._createAt(e,"end");return this.move(eo._createIn(n),to._createAt(e,"end")),this.remove(eo._createOn(n)),o}insert(t,e){(function t(e,n){for(const i of e){if(!Do.some(t=>i instanceof t))throw new Zn.b("view-writer-insert-invalid-node",n);i.is("text")||t(i.getChildren(),n)}})(e=wi(e)?[...e]:[e],this.document);const n=Eo(t);if(!n)throw new Zn.b("view-writer-invalid-position-container",this.document);const i=this._breakAttributes(t,!0),o=n._insertChild(i.offset,e);for(const t of e)this._addToClonedElementsGroup(t);const r=i.getShiftedBy(o),s=this.mergeAttributes(i);if(0===o)return new eo(s,s);{s.isEqual(i)||r.offset--;const t=this.mergeAttributes(r);return new eo(s,t)}}remove(t){const e=t instanceof eo?t:eo._createOn(t);if(No(e,this.document),e.isCollapsed)return new Po;const{start:n,end:i}=this._breakAttributesRange(e,!0),o=n.parent,r=i.offset-n.offset,s=o._removeChildren(n.offset,r);for(const t of s)this._removeFromClonedElementsGroup(t);const a=this.mergeAttributes(n);return e.start=a,e.end=a.clone(),new Po(s)}clear(t,e){No(t,this.document);const n=t.getWalker({direction:"backward",ignoreElementEnd:!0});for(const i of n){const n=i.item;let o;if(n.is("element")&&e.isSimilar(n))o=eo._createOn(n);else if(!i.nextPosition.isAfter(t.start)&&n.is("textProxy")){const t=n.getAncestors().find(t=>t.is("element")&&e.isSimilar(t));t&&(o=eo._createIn(t))
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function Fo(t){return"[object Text]"==Object.prototype.toString.call(t)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/const Bo=t=>t.createTextNode(" "),Lo=t=>{const e=t.createElement("br");return e.dataset.ckeFiller=!0,e},zo=7,qo=(()=>{let t="";for(let e=0;e<zo;e++)t+="";return t})();function jo(t){return Fo(t)&&t.data.substr(0,zo)===qo}function Ho(t){return t.data.length==zo&&jo(t)}function Uo(t){return jo(t)?t.data.slice(zo):t.data}function $o(t,e){if(e.keyCode==ko.arrowleft){const t=e.domTarget.ownerDocument.defaultView.getSelection();if(1==t.rangeCount&&t.getRangeAt(0).collapsed){const e=t.getRangeAt(0).startContainer,n=t.getRangeAt(0).startOffset;jo(e)&&n<=zo&&t.collapse(e,0)}}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function Wo(t,e,n,i=!1){n=n||function(t,e){return t===e},Array.isArray(t)||(t=Array.from(t)),Array.isArray(e)||(e=Array.from(e));const o=function(t,e,n){const i=Go(t,e,n);if(-1===i)return{firstIndex:-1,lastIndexOld:-1,lastIndexNew:-1};const o=Ko(t,i),r=Ko(e,i),s=Go(o,r,n),a=t.length-s,c=e.length-s;return{firstIndex:i,lastIndexOld:a,lastIndexNew:c}}(t,e,n);return i?function(t,e){const{firstIndex:n,lastIndexOld:i,lastIndexNew:o}=t;if(-1===n)return Array(e).fill("equal");let r=[];n>0&&(r=r.concat(Array(n).fill("equal")));o-n>0&&(r=r.concat(Array(o-n).fill("insert")));i-n>0&&(r=r.concat(Array(i-n).fill("delete")));o<e&&(r=r.concat(Array(e-o).fill("equal")));return r}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(o,e.length):function(t,e){const n=[],{firstIndex:i,lastIndexOld:o,lastIndexNew:r}=e;r-i>0&&n.push({index:i,type:"insert",values:t.slice(i,r)});o-i>0&&n.push({index:i+(r-i),type:"delete",howMany:o-i});return n}(e,o)}function Go(t,e,n){for(let i=0;i<Math.max(t.length,e.length);i++)if(void 0===t[i]||void 0===e[i]||!n(t[i],e[i]))return i;return-1}function Ko(t,e){return t.slice(e).reverse()}function Jo(t,e,n){n=n||function(t,e){return t===e};const i=t.length,o=e.length;if(i>200||o>200||i+o>300)return Jo.fastDiff(t,e,n,!0);let r,s;if(o<i){const n=t;t=e,e=n,r="delete",s="insert"}else r="insert",s="delete";const a=t.length,c=e.length,l=c-a,d={},u={};function h(i){const o=(void 0!==u[i-1]?u[i-1]:-1)+1,l=void 0!==u[i+1]?u[i+1]:-1,h=o>l?-1:1;d[i+h]&&(d[i]=d[i+h].slice(0)),d[i]||(d[i]=[]),d[i].push(o>l?r:s);let f=Math.max(o,l),p=f-i;for(;p<a&&f<c&&n(t[p],e[f]);)p++,f++,d[i].push("equal");return f}let f,p=0;do{for(f=-p;f<l;f++)u[f]=h(f);for(f=l+p;f>l;f--)u[f]=h(f);u[l]=h(l),p++}while(u[l]!==c);return d[l].slice(1)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
function Zo(t,e,n){t.insertBefore(n,t.childNodes[e]||null)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function Qo(t){const e=t.parentNode;e&&e.removeChild(t)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function Yo(t){if(t){if(t.defaultView)return t instanceof t.defaultView.Document;if(t.ownerDocument&&t.ownerDocument.defaultView)return t instanceof t.ownerDocument.defaultView.Node}return!1}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/Jo.fastDiff=Wo;class Xo{constructor(t,e){this.domDocuments=new Set,this.domConverter=t,this.markedAttributes=new Set,this.markedChildren=new Set,this.markedTexts=new Set,this.selection=e,this.isFocused=!1,this._inlineFiller=null,this._fakeSelectionContainer=null}markToSync(t,e){if("text"===t)this.domConverter.mapViewToDom(e.parent)&&this.markedTexts.add(e);else{if(!this.domConverter.mapViewToDom(e))return;if("attributes"===t)this.markedAttributes.add(e);else{if("children"!==t)throw new Zn.b("view-renderer-unknown-type: Unknown type passed to Renderer.markToSync.",this);this.markedChildren.add(e)}}}render(){let t;for(const t of this.markedChildren)this._updateChildrenMappings(t);this._inlineFiller&&!this._isSelectionInInlineFiller()&&this._removeInlineFiller(),this._inlineFiller?t=this._getInlineFillerPosition():this._needsInlineFillerAtSelection()&&(t=this.selection.getFirstPosition(),this.markedChildren.add(t.parent));for(const t of this.markedAttributes)this._updateAttrs(t);for(const e of this.markedChildren)this._updateChildren(e,{inlineFillerPosition:t});for(const e of this.markedTexts)!this.markedChildren.has(e.parent)&&this.domConverter.mapViewToDom(e.parent)&&this._updateText(e,{inlineFillerPosition:t});if(t){const e=this.domConverter.viewPositionToDom(t),n=e.parent.ownerDocument;jo(e.parent)?this._inlineFiller=e.parent:this._inlineFiller=tr(n,e.parent,e.offset)}else this._inlineFiller=null;this._updateSelection(),this._updateFocus(),this.markedTexts.clear(),this.markedAttributes.clear(),this.markedChildren.clear()}_updateChildrenMappings(t){const e=this.domConverter.mapViewToDom(t);if(!e)return;const n=this.domConverter.mapViewToDom(t).childNodes,i=Array.from(this.domConverter.viewChildrenToDom(t,e.ownerDocument,{withChildren:!1})),o=this._diffNodeLists(n,i),r=this._findReplaceActions(o,n,i);if(-1!==r.indexOf("replace")){const e={equal:0,insert:0,delete:0};for(const o of r)if("replace"===o){const o=e.equal+e.insert,r=e.equal+e.delete,s=t.getChild(o);s&&!s.is("uiElement")&&this._updateElementMappings(s,n[r]),Qo(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();return t.parent.is("text")?to._createBefore(this.selection.getFirstPosition().parent):t}_isSelectionInInlineFiller(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const t=this.selection.getFirstPosition(),e=this.domConverter.viewPositionToDom(t);return!!(e&&Fo(e.parent)&&jo(e.parent))}_removeInlineFiller(){const t=this._inlineFiller;if(!jo(t))throw new Zn.b("view-renderer-filler-was-lost: The inline filler node was lost.",this);Ho(t)?t.parentNode.removeChild(t):t.data=t.data.substr(zo),this._inlineFiller=null}_needsInlineFillerAtSelection(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const t=this.selection.getFirstPosition(),e=t.parent,n=t.offset;if(!this.domConverter.mapViewToDom(e.root))return!1;if(!e.is("element"))return!1;if(!function(t){if("false"==t.getAttribute("contenteditable"))return!1;const e=t.findAncestor(t=>t.hasAttribute("contenteditable"));return!e||"true"==e.getAttribute("contenteditable")}(e))return!1;if(n===e.getFillerOffset())return!1;const i=t.nodeBefore,o=t.nodeAfter;return!(i instanceof mi||o instanceof mi)}_updateText(t,e){const n=this.domConverter.findCorrespondingDomText(t),i=this.domConverter.viewToDom(t,n.ownerDocument),o=n.data;let r=i.data;const s=e.inlineFillerPosition;if(s&&s.parent==t.parent&&s.offset==t.index&&(r=qo+r),o!=r){const t=Wo(o,r);for(const e of t)"insert"===e.type?n.insertData(e.index,e.values.join("")):n.deleteData(e.index,e.howMany)}}_updateAttrs(t){const e=this.domConverter.mapViewToDom(t);if(!e)return;const n=Array.from(e.attributes).map(t=>t.name),i=t.getAttributeKeys();for(const n of i)e.setAttribute(n,t.getAttribute(n));for(const i of n)t.hasAttribute(i)||e.removeAttribute(i)}_updateChildren(t,e){const n=this.domConverter.mapViewToDom(t);if(!n)return;c
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(e));const n=this._fakeSelectionContainer;if(this.domConverter.bindFakeSelection(n,this.selection),!this._fakeSelectionNeedsUpdate(t))return;n.parentElement&&n.parentElement==t||t.appendChild(n),n.textContent=this.selection.fakeSelectionLabel||" ";const i=e.getSelection(),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),i=this.domConverter.viewPositionToDom(this.selection.focus);t.focus(),e.collapse(n.parent,n.offset),e.extend(i.parent,i.offset),go.isGecko&&function(t,e){const n=t.parent;if(n.nodeType!=Node.ELEMENT_NODE||t.offset!=n.childNodes.length-1)return;const i=n.childNodes[t.offset];i&&"BR"==i.tagName&&e.addRange(e.getRangeAt(0))}(i,e)}_domSelectionNeedsUpdate(t){if(!this.domConverter.isDomSelectionCorrect(t))return!0;const e=t&&this.domConverter.domSelectionToView(t);return(!e||!this.selection.isEqual(e))&&!(!this.selection.isCollapsed&&this.selection.isSimilar(e))}_fakeSelectionNeedsUpdate(t){const e=this._fakeSelectionContainer,n=t.ownerDocument.getSelection();return!e||e.parentElement!==t||(n.anchorNode!==e&&!e.contains(n.anchorNode)||e.textContent!==this.selection.fakeSelectionLabel)}_removeDomSelection(){for(const t of this.domDocuments){if(t.getSelection().rangeCount){const e=t.activeElement,n=this.domConverter.mapDomToView(e);e&&n&&t.getSelection().removeAllRanges()}}}_removeFakeSelection(){const t=this._fakeSelectionContainer;t&&t.remove()}_updateFocus(){if(this.isFocused){const t=this.selection.editableElement;t&&this.domConverter.focus(t)}}}function tr(t,e,n){const i=e instanceof Array?e:e.childNodes,o=i[n];if(Fo(o))return o.data=qo+o.data,o;{const o=t.createTextNode(qo);return Array.isArray(e)?i.splice(n,0,o):Zo(e,n,o),o}}function er(t,e){return Yo(t)&&Yo(e)&&!Fo(t)&&!Fo(e)&&t.tagName.toLowerCase()===e.tagName.toLowerCase()}function nr(t,e,n){return e===n||(Fo(e)&&Fo(n)?e.data===n.data:!(!t.isBlockFiller(e)||!t.isBlockFiller(n)))}di(Xo,Hi);var ir={window:window,document:document};
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function or(t){let e=0;for(;t.previousSibling;)t=t.previousSibling,e++;return e}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function rr(t){const e=[];for(;t&&t.nodeType!=Node.DOCUMENT_NODE;)e.unshift(t),t=t.parentNode;return e}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
const sr=Lo(document);class ar{constructor(t={}){this.blockFillerMode=t.blockFillerMode||"br",this.preElements=["pre"],this.blockElements=["p","div","h1","h2","h3","h4","h5","h6","li","dd","dt","figcaption"],this._blockFiller="br"==this.blockFillerMode?Lo:Bo,this._domToViewMapping=new WeakMap,this._viewToDomMapping=new WeakMap,this._fakeSelectionMapping=new WeakMap}bindFakeSelection(t,e){this._fakeSelectionMapping.set(t,new oo(e))}fakeSelectionToView(t){return this._fakeSelectionMapping.get(t)}bindElements(t,e){this._domToViewMapping.set(t,e),this._viewToDomMapping.set(e,t)}unbindDomElement(t){const e=this._domToViewMapping.get(t);if(e){this._domToViewMapping.delete(t),this._viewToDomMapping.delete(e);for(const e of Array.from(t.childNodes))this.unbindDomElement(e)}}bindDocumentFragments(t,e){this._domToViewMapping.set(t,e),this._viewToDomMapping.set(e,t)}viewToDom(t,e,n={}){if(t.is("text")){const n=this._processDataFromViewText(t);return e.createTextNode(n)}{if(this.mapViewToDom(t))return this.mapViewToDom(t);let i;if(t.is("documentFragment"))i=e.createDocumentFragment(),n.bind&&this.bindDocumentFragments(i,t);else{if(t.is("uiElement"))return i=t.render(e),n.bind&&this.bindElements(i,t),i;i=t.hasAttribute("xmlns")?e.createElementNS(t.getAttribute("xmlns"),t.name):e.createElement(t.name),n.bind&&this.bindElements(i,t);for(const e of t.getAttributeKeys())i.setAttribute(e,t.getAttribute(e))}if(n.withChildren||void 0===n.withChildren)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 r of t.getChildren())i===o&&(yield this._blockFiller(e)),yield this.viewToDom(r,e,n),o++;i===o&&(yield this._blockFiller(e))}viewRangeToDom(t){const e=this.viewPositionToDom(t.start),n=this.viewPositionToDom(t.end),i=document.createRange();return i.setStart(e.parent,e.offset),i.setEnd(n.parent,n.offset),i}viewPositionToDom(t){const e=t.parent;if(e.is("text")){const n=this.findCorrespondingDomText(e);if(!n)return null;let i=t.offset;return jo(n)&&(i+=zo),{parent:n,offset:i}}{let n,i,o;if(0===t.offset){if(!(n=this.mapViewToDom(e)))return null;o=n.childNodes[0]}else{const e=t.nodeBefore;if(!(i=e.is("text")?this.findCorrespondingDomText(e):this.mapViewToDom(t.nodeBefore)))return null;n=i.parentNode,o=i.nextSibling}if(Fo(o)&&jo(o))return{parent:o,offset:zo};return{parent:n,offset:i?or(i)+1:0}}}domToView(t,e={}){if(this.isBlockFiller(t,this.blockFillerMode))return null;const n=this.getParentUIElement(t,this._domToViewMapping);if(n)return n;if(Fo(t)){if(Ho(t))return null;{const e=this._processDataFromDomText(t);return""===e?null:new mi(e)}}if(this.isComment(t))return null;{if(this.mapDomToView(t))return this.mapDomToView(t);let n;if(this.isDocumentFragment(t))n=new Po,e.bind&&this.bindDocumentFragments(t,n);else{const i=e.keepOriginalCase?t.tagName:t.tagName.toLowerCase();n=new vi(i),e.bind&&this.bindElements(t,n);const o=t.attributes;for(let t=o.length-1;t>=0;t--)n._setAttribute(o[t].name,o[t].value)}if(e.withChildren||void 0===e.withChildren)for(const i of this.domChildrenToView(t,e))n._appendChild(i);return n}}*domChildrenToView(t,e={}){for(let n=0;n<t.childNodes.length;n++){const i=t.childNodes[n],o=this.domToView(i,e);null!==o&&(yield o)}}domSelectionToView(t){if(1===t.rangeCount){let e=t.getRangeAt(0).startContainer;Fo(e)&&(e=e.parentNode);const n=this.fakeSelectionToView(e);if(n)return n}const e=this.isDomSelectionBackward(t),n=[];for(let e=0;e<t.rangeCount;e++){const i=t.getRangeAt(e),o=this.domRangeToView(i);o&&n.push(o)}return new oo(n,{backward:e})}domRangeToView(t){const e=this.domPositionToView(t.startContainer,t.startOffset),n=this.domPositionToView(t.endContainer,t.endOffset);return e&&n?new eo(e,n):null}domPositionToView(t,e){if(this.isBlockFiller(t,this.blockFillerMode))return this.domPositionToView(t.parentNode,or(t));const n=this.mapDomToView(t);if(n&&n.is("uiElement"))return to._createBefore(n);if(Fo(t)){if(Ho(t))return this.domPositionToView(t.parentNode,or(t));const n=this.findCorrespondingViewText(t);let i=e;return
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(t,e)&&1===t.parentNode.childNodes.length}(t,this.blockElements)}isDomSelectionBackward(t){if(t.isCollapsed)return!1;const e=document.createRange();e.setStart(t.anchorNode,t.anchorOffset),e.setEnd(t.focusNode,t.focusOffset);const n=e.collapsed;return e.detach(),n}getParentUIElement(t){const e=rr(t);for(e.pop();e.length;){const t=e.pop(),n=this._domToViewMapping.get(t);if(n&&n.is("uiElement"))return n}return null}isDomSelectionCorrect(t){return this._isDomSelectionPositionCorrect(t.anchorNode,t.anchorOffset)&&this._isDomSelectionPositionCorrect(t.focusNode,t.focusOffset)}_isDomSelectionPositionCorrect(t,e){if(Fo(t)&&jo(t)&&e<zo)return!1;if(this.isElement(t)&&jo(t.childNodes[e]))return!1;const n=this.mapDomToView(t);return!n||!n.is("uiElement")}_processDataFromViewText(t){let e=t.data;if(t.getAncestors().some(t=>this.preElements.includes(t.name)))return e;if(" "==e.charAt(0)){const n=this._getTouchingViewTextNode(t,!1);!(n&&this._nodeEndsWithSpace(n))&&n||(e=" "+e.substr(1))}if(" "==e.charAt(e.length-1)){const n=this._getTouchingViewTextNode(t,!0);" "!=e.charAt(e.length-2)&&n&&" "!=n.data.charAt(0)||(e=e.substr(0,e.length-1)+" ")}return e.replace(/ {2}/g,"  ")}_nodeEndsWithSpace(t){if(t.getAncestors().some(t=>this.preElements.includes(t.name)))return!1;const e=this._processDataFromViewText(t);return" "==e.charAt(e.length-1)}_processDataFromDomText(t){let e=t.data;if(cr(t,this.preElements))return Uo(t);e=e.replace(/[ \n\t\r]{1,}/g," ");const n=this._getTouchingInlineDomNode(t,!1),i=this._getTouchingInlineDomNode(t,!0),o=this._checkShouldLeftTrimDomText(n),r=this._checkShouldRightTrimDomText(t,i);return o&&(e=e.replace(/^ /,"")),r&&(e=e.replace(/ $/,"")),e=(e=Uo(new Text(e))).replace(/ \u00A0/g," "),(/( |\u00A0)\u00A0$/.test(e)||!i||i.data&&" "==i.data.charAt(0))&&(e=e.replace(/\u00A0$/," ")),o&&(e=e.replace(/^\u00A0/," ")),e}_checkShouldLeftTrimDomText(t){return!t||(!!Gn(t)||/[^\S\u00A0]/.test(t.data.charAt(t.data.length-1)))}_checkShouldRightTrimDomText(t,e){return!e&&!jo(t)}_getTouchingViewTextNode(t,e){const n=new Xi({startPosition:e?to._createAfter(t):to._createBefore(t),direction:e?"forward":"backward"});for(const t of n){if(t.item.is("containerElement"))return null;if(t.item.is("br"))return null;if(t.item.is("textProxy"))return t.item}return null}_getTouchingInlineDomNode(t,e){if(!t.parentNode)return null;const n=e?"nextNode":"previousNode",i=t.ownerDocument,o=rr(t)[0],r=i.createTreeWalker(o,NodeFilter.SHOW_TEXT|NodeFilter.SHOW_ELEMENT,{acceptNode:t=>Fo(t)?NodeFilter.FILTER_ACCEPT:"BR"==t.tagName?NodeFilter.FILTER_ACCEPT:NodeFilter.FILTER_SKIP});r.currentNode=t;const s=r[n]();if(null!==s){const e=function(t,e){const n=rr(t),i=rr(e);let o=0;for(;n[o]==i[o]&&n[o];)o++;return 0===o?null:n[o-1]}(t,s);if(e&&!cr(t,this.blockElements,e)&&!cr(s,this.blockElements,e))return s}return null}}function cr(t,e,n){let i=rr(t);return n&&(i=i.slice(i.indexOf(n)+1)),i.some(t=>t.tagName&&e.includes(t.tagName.toLowerCase()))}function lr(t,e){for(;t&&t!=ir.document;)e(t),t=t.parentNode}function dr(t){const e=Object.prototype.toString.apply(t);return"[object Window]"==e||"[object global]"==e}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/var ur=Bi({},ii,{listenTo(t,...e){if(Yo(t)||dr(t)){const n=this._getProxyEmitter(t)||new hr(t);n.attach(...e),t=n}ii.listenTo.call(this,t,...e)},stopListening(t,e,n){if(Yo(t)||dr(t)){const e=this._getProxyEmitter(t);if(!e)return;t=e}ii.stopListening.call(this,t,e,n),t instanceof hr&&t.detach(e)},_getProxyEmitter(t){return e=this,n=fr(t),e[ei]&&e[ei][n]?e[ei][n].emitter:null;var e,n}});class hr{constructor(t){oi(this,fr(t)),this._domNode=t}}function fr(t){return t["data-ck-expando"]||(t["data-ck-expando"]=Xn())}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/Bi(hr.prototype,ii,{attach(t,e,n={}){if(this._domListeners&&this._domListeners[t])return;const i=this._createDomListener(t,!!n.useCapture);this._domNode.addEventListener(t,i,!!n.useCapture),this._domListeners||(this._domListeners={}),this._domListeners[t]=i},detach(t){let e;!this._domListeners[t]||(e=this._events[t])&&e.callbacks.length||this._domListeners[t].removeListener()},_createDomListener(t,e){const n=e=>{this.fire(t,e)};return n.removeListener=()=>{this._domNode.removeEventListener(t,n,e),delete this._domListeners[t]},n}});class pr{constructor(t){this.view=t,this.document=t.document,this.isEnabled=!1}enable(){this.isEnabled=!0}disable(){this.isEnabled=!1}destroy(){this.disable(),this.stopListening()}}di(pr,ur);var mr="__lodash_hash_undefined__";var gr=function(t){return this.__data__.set(t,mr),this};var br=function(t){return this.__data__.has(t)};function wr(t){var e=-1,n=null==t?0:t.length;for(this.__data__=new St;++e<n;)this.add(t[e])}wr.prototype.add=wr.prototype.push=gr,wr.prototype.has=br;var kr=wr;var _r=function(t,e){for(var n=-1,i=null==t?0:t.length;++n<i;)if(e(t[n],n,t))return!0;return!1};var vr=function(t,e){return t.has(e)},yr=1,xr=2;var Cr=function(t,e,n,i,o,r){var s=n&yr,a=t.length,c=e.length;if(a!=c&&!(s&&c>a))return!1;var l=r.get(t);if(l&&r.get(e))return l==e;var d=-1,u=!0,h=n&xr?new kr:void 0;for(r.set(t,e),r.set(e,t);++d<a;){var f=t[d],p=e[d];if(i)var m=s?i(p,f,d,e,t,r):i(f,p,d,t,e,r);if(void 0!==m){if(m)continue;u=!1;break}if(h){if(!_r(e,(function(t,e){if(!vr(h,e)&&(f===t||o(f,t,n,i,r)))return h.push(e)}))){u=!1;break}}else if(f!==p&&!o(f,p,n,i,r)){u=!1;break}}return r.delete(t),r.delete(e),u};var Ar=function(t){var e=-1,n=Array(t.size);return t.forEach((function(t,i){n[++e]=[i,t]})),n};var Pr=function(t){var e=-1,n=Array(t.size);return t.forEach((function(t){n[++e]=t})),n},Tr=1,Er=2,Sr="[object Boolean]",Rr="[object Date]",Ir="[object Error]",Or="[object Map]",Dr="[object Number]",Mr="[object RegExp]",Nr="[object Set]",Vr="[object String]",Fr="[object Symbol]",Br="[object ArrayBuffer]",Lr="[object DataView]",zr=o?o.prototype:void 0,qr=zr?zr.valueOf:void 0;var jr=function(t,e,n,i,o,r,s){switch(n){case Lr:if(t.byteLength!=e.byteLength||t.byteOffset!=e.byteOffset)return!1;t=t.buffer,e=e.buffer;case Br:return!(t.byteLength!=e.byteLength||!r(new Ke(t),new Ke(e)));case Sr:case Rr:case Dr:return E(+t,+e);case Ir:return t.name==e.name&&t.message==e.message;case Mr:case Vr:return t==e+"";case Or:var a=Ar;case Nr:var c=i&Tr;if(a||(a=Pr),t.size!=e.size&&!c)return!1;var l=s.get(t);if(l)return l==e;i|=Er,s.set(t,e);var d=Cr(a(t),a(e),i,o,r,s);return s.delete(t),d;case Fr:if(qr)return qr.call(t)==qr.call(e)}return!1},Hr=1,Ur=Object.prototype.hasOwnProperty;var $r=function(t,e,n,i,o,r){var s=n&Hr,a=De(t),c=a.length;if(c!=De(e).length&&!s)return!1;for(var l=c;l--;){var d=a[l];if(!(s?d in e:Ur.call(e,d)))return!1}var u=r.get(t);if(u&&r.get(e))return u==e;var h=!0;r.set(t,e),r.set(e,t);for(var f=s;++l<c;){var p=t[d=a[l]],m=e[d];if(i)var g=s?i(m,p,d,e,t,r):i(p,m,d,t,e,r);if(!(void 0===g?p===m||o(p,m,n,i,r):g)){h=!1;break}f||(f="constructor"==d)}if(h&&!f){var b=t.constructor,w=e.constructor;b!=w&&"constructor"in t&&"constructor"in e&&!("function"==typeof b&&b instanceof b&&"function"==typeof w&&w instanceof w)&&(h=!1)}return r.delete(t),r.delete(e),h},Wr=1,Gr="[object Arguments]",Kr="[object Array]",Jr="[object Object]",Zr=Object.prototype.hasOwnProperty;var Qr=function(t,e,n,i,o,r){var s=Gt(t),a=Gt(e),c=s?Kr:$e(t),l=a?Kr:$e(e),d=(c=c==Gr?Jr:c)==Jr,u=(l=l==Gr?Jr:l)==Jr,h=c==l;if(h&&Object(Kt.a)(t)){if(!Object(Kt.a)(e))return!1;s=!0,d=!1}if(h&&!d)return r||(r=new Dt),s||re(t)?Cr(t,e,n,i,o,r):jr(t,e,c,n,i,o,r);if(!(n&Wr)){var f=d&&Zr.call(t,"__wrapped__"),p=u&&Zr.call(e,"__wrapped__");if(f||p){var m=f?t.value():t,g=p?e.value():e;return r||(r=new Dt),o(m,g,n,i,r)}}return!!h&&(r||(r=new Dt),$r(t,e,n,i,o,r))};var Yr=function t(e,n,i,o,r){return e===n||(null==e||null==n||!w(e)&&!w(n)?e!=e&&n!=n:Qr(e,n,i,o,t,r))};var Xr=function(t,e,n){var i=(n="function"==typeof n?n:void 0)?n(t,e):void 0;return void 0===i?Yr(t,e,voi
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class ts extends pr{constructor(t){super(t),this._config={childList:!0,characterData:!0,characterDataOldValue:!0,subtree:!0},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),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(0===t.length)return;const e=this.domConverter,n=new Map,i=new Set;for(const n of t)if("childList"===n.type){const t=e.mapDomToView(n.target);if(t&&t.is("uiElement"))continue;t&&!this._isBogusBrMutation(n)&&i.add(t)}for(const o of t){const t=e.mapDomToView(o.target);if((!t||!t.is("uiElement"))&&"characterData"===o.type){const t=e.findCorrespondingViewText(o.target);t&&!i.has(t.parent)?n.set(t,{type:"text",oldText:t.data,newText:Uo(o.target),node:t}):!t&&jo(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),i=Array.from(t.getChildren()),r=Array.from(e.domChildrenToView(n,{withChildren:!1}));Xr(i,r,a)||(this.renderer.markToSync("children",t),o.push({type:"children",oldChildren:i,newChildren:r,node:t}))}const r=t[0].target.ownerDocument.getSelection();let s=null;if(r&&r.anchorNode){const t=e.domPositionToView(r.anchorNode,r.anchorOffset),n=e.domPositionToView(r.focusNode,r.focusOffset);t&&n&&(s=new oo(t)).setFocus(n)}function a(t,e){if(!Array.isArray(t))return t===e||!(!t.is("text")||!e.is("text"))&&t.data===e.data}this.document.fire("mutations",o,s),this.view.forceRender()}_isBogusBrMutation(t){let e=null;return null===t.nextSibling&&0===t.removedNodes.length&&1==t.addedNodes.length&&(e=this.domConverter.domToView(t.addedNodes[0],{withChildren:!1})),e&&e.is("element","br")}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class es{constructor(t,e,n){this.view=t,this.document=t.document,this.domEvent=e,this.domTarget=e.target,Bi(this,n)}get target(){return this.view.domConverter.mapDomToView(this.domTarget)}preventDefault(){this.domEvent.preventDefault()}stopPropagation(){this.domEvent.stopPropagation()}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class ns extends pr{constructor(t){super(t),this.useCapture=!1}observe(t){("string"==typeof this.domEventType?[this.domEventType]:this.domEventType).forEach(e=>{this.listenTo(t,e,(t,e)=>{this.isEnabled&&this.onDomEvent(e)},{useCapture:this.useCapture})})}fire(t,e,n){this.isEnabled&&this.document.fire(t,new es(this.view,e,n))}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class is extends ns{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 _o(this)}})}}var os=function(){return i.a.Date.now()},rs="[object Symbol]";var ss=function(t){return"symbol"==typeof t||w(t)&&m(t)==rs},as=NaN,cs=/^\s+|\s+$/g,ls=/^[-+]0x[0-9a-f]+$/i,ds=/^0b[01]+$/i,us=/^0o[0-7]+$/i,hs=parseInt;var fs=function(t){if("number"==typeof t)return t;if(ss(t))return as;if(q(t)){var e="function"==typeof t.valueOf?t.valueOf():t;t=q(e)?e+"":e}if("string"!=typeof t)return 0===t?t:+t;t=t.replace(cs,"");var n=ds.test(t);return n||us.test(t)?hs(t.slice(2),n?2:8):ls.test(t)?as:+t},ps="Expected a function",ms=Math.max,gs=Math.min;var bs=function(t,e,n){var i,o,r,s,a,c,l=0,d=!1,u=!1,h=!0;if("function"!=typeof t)throw new TypeError(ps);function f(e){var n=i,r=o;return i=o=void 0,l=e,s=t.apply(r,n)}function p(t){var n=t-c;return void 0===c||n>=e||n<0||u&&t-l>=r}function m(){var t=os();if(p(t))return g(t);a=setTimeout(m,function(t){var n=e-(t-c);return u?gs(n,r-(t-l)):n}(t))}function g(t){return a=void 0,h&&i?f(t):(i=o=void 0,s)}function b(){var t=os(),n=p(t);if(i=arguments,o=this,c=t,n){if(void 0===a)return function(t){return l=t,a=setTimeout(m,e),d?f(t):s}(c);if(u)return clearTimeout(a),a=setTimeout(m,e),f(c)}return void 0===a&&(a=setTimeout(m,e)),s}return e=fs(e)||0,q(n)&&(d=!!n.leading,r=(u="maxWait"in n)?ms(fs(n.maxWait)||0,e):r,h="trailing"in n?!!n.trailing:h),b.cancel=function(){void 0!==a&&clearTimeout(a),l=0,i=c=o=a=void 0},b.flush=function(){return void 0===a?s:g(os())},b};
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class ws extends pr{constructor(t){super(t),this._fireSelectionChangeDoneDebounced=bs(t=>this.document.fire("selectionChangeDone",t),200)}observe(){const t=this.document;t.on("keydown",(e,n)=>{t.selection.isFake&&function(t){return t==ko.arrowright||t==ko.arrowleft||t==ko.arrowup||t==ko.arrowdown}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(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,n=new oo(e.getRanges(),{backward:e.isBackward,fake:!1});t!=ko.arrowleft&&t!=ko.arrowup||n.setTo(n.getFirstPosition()),t!=ko.arrowright&&t!=ko.arrowdown||n.setTo(n.getLastPosition());const i={oldSelection:e,newSelection:n,domSelection:null};this.document.fire("selectionChange",i),this._fireSelectionChangeDoneDebounced(i)}}class ks extends pr{constructor(t){super(t),this.mutationObserver=t.getObserver(ts),this.selection=this.document.selection,this.domConverter=t.domConverter,this._documents=new WeakSet,this._fireSelectionChangeDoneDebounced=bs(t=>this.document.fire("selectionChangeDone",t),200),this._clearInfiniteLoopInterval=setInterval(()=>this._clearInfiniteLoop(),1e3),this._loopbackCounter=0}observe(t){const e=t.ownerDocument;this._documents.has(e)||(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||!this.document.isFocused&&!this.document.isReadOnly)return;this.mutationObserver.flush();const e=t.defaultView.getSelection(),n=this.domConverter.domSelectionToView(e);if(!(this.selection.isEqual(n)&&this.domConverter.isDomSelectionCorrect(e)||++this._loopbackCounter>60))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}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class _s extends ns{constructor(t){super(t),this.domEventType=["focus","blur"],this.useCapture=!0;const e=this.document;e.on("focus",()=>{e.isFocused=!0,this._renderTimeoutId=setTimeout(()=>t.forceRender(),50)}),e.on("blur",(n,i)=>{const o=e.selection.editableElement;null!==o&&o!==i.target||(e.isFocused=!1,t.forceRender())})}onDomEvent(t){this.fire(t.type,t)}destroy(){this._renderTimeoutId&&clearTimeout(this._renderTimeoutId),super.destroy()}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class vs extends ns{constructor(t){super(t),this.domEventType=["compositionstart","compositionupdate","compositionend"];const e=this.document;e.on("compositionstart",()=>{e.isComposing=!0}),e.on("compositionend",()=>{e.isComposing=!1})}onDomEvent(t){this.fire(t.type,t)}}
/**
* @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md.
*/class ys extends ns{constructor(t){super(t),this.domEventType=["beforeinput"]}onDomEvent(t){this.fire(t.type,t)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function xs(t){return"[object Range]"==Object.prototype.toString.apply(t)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function Cs(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)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/const As=["top","right","bottom","left","width","height"];class Ps{constructor(t){const e=xs(t);if(Object.defineProperty(this,"_source",{value:t._source||t,writable:!0,enumerable:!1}),Gn(t)||e)Ts(this,e?Ps.getDomRangeRects(t)[0]:t.getBoundingClientRect());else if(dr(t)){const{innerWidth:e,innerHeight:n}=t;Ts(this,{top:0,right:e,bottom:n,left:0,width:e,height:n})}else Ts(this,t)}clone(){return new Ps(this)}moveTo(t,e){return this.top=e,this.right=t+this.width,this.bottom=e+this.height,this.left=t,this}moveBy(t,e){return this.top+=e,this.right+=t,this.left+=t,this.bottom+=e,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)};return e.width=e.right-e.left,e.height=e.bottom-e.top,e.width<0||e.height<0?null:new Ps(e)}getIntersectionArea(t){const e=this.getIntersection(t);return e?e.getArea():0}getArea(){return this.width*this.height}getVisible(){const t=this._source;let e=this.clone();if(!Es(t)){let n=t.parentNode||t.commonAncestorContainer;for(;n&&!Es(n);){const t=new Ps(n),i=e.getIntersection(t);if(!i)return null;i.getArea()<e.getArea()&&(e=i),n=n.parentNode}}return e}isEqual(t){for(const e of As)if(this[e]!==t[e])return!1;return!0}contains(t){const e=this.getIntersection(t);return!(!e||!e.isEqual(t))}excludeScrollbarsAndBorders(){const t=this._source;let e,n,i;if(dr(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=Cs(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}return this.width-=e,"ltr"===i?this.right-=e:this.left+=e,this.height-=n,this.bottom-=n,this}static getDomRangeRects(t){const e=[],n=Array.from(t.getClientRects());if(n.length)for(const t of n)e.push(new Ps(t));else{let n=t.startContainer;Fo(n)&&(n=n.parentNode);const i=new Ps(n.getBoundingClientRect());i.right=i.left,i.width=0,e.push(i)}return e}}function Ts(t,e){for(const n of As)t[n]=e[n]}function Es(t){return!!Gn(t)&&t===t.ownerDocument.body}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function Ss({target:t,viewportOffset:e=0}){const n=Vs(t);let i=n,o=null;for(;i;){let r;Is(r=Fs(i==n?t:o),()=>Bs(t,i));const s=Bs(t,i);if(Rs(i,s,e),i.parent!=i){if(o=i.frameElement,i=i.parent,!o)return}else i=null}}function Rs(t,e,n){const i=e.clone().moveBy(0,n),o=e.clone().moveBy(0,-n),r=new Ps(t).excludeScrollbarsAndBorders();if(![o,i].every(t=>r.contains(t))){let{scrollX:s,scrollY:a}=t;Ds(o,r)?a-=r.top-e.top+n:Os(i,r)&&(a+=e.bottom-r.bottom+n),Ms(e,r)?s-=r.left-e.left+n:Ns(e,r)&&(s+=e.right-r.right+n),t.scrollTo(s,a)}}function Is(t,e){const n=Vs(t);let i,o;for(;t!=n.document.body;)o=e(),(i=new Ps(t).excludeScrollbarsAndBorders()).contains(o)||(Ds(o,i)?t.scrollTop-=i.top-o.top:Os(o,i)&&(t.scrollTop+=o.bottom-i.bottom),Ms(o,i)?t.scrollLeft-=i.left-o.left:Ns(o,i)&&(t.scrollLeft+=o.right-i.right)),t=t.parentNode}function Os(t,e){return t.bottom>e.bottom}function Ds(t,e){return t.top<e.top}function Ms(t,e){return t.left<e.left}function Ns(t,e){return t.right>e.right}function Vs(t){return xs(t)?t.startContainer.ownerDocument.defaultView:t.ownerDocument.defaultView}function Fs(t){if(xs(t)){let e=t.commonAncestorContainer;return Fo(e)&&(e=e.parentNode),e}return t.parentNode}function Bs(t,e){const n=Vs(t),i=new Ps(t);if(n===e)return i;{let t=n;for(;t!=e;){const e=t.frameElement,n=new Ps(e).excludeScrollbarsAndBorders();i.moveBy(n.left,n.top),t=t.parent}}return i}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/Object.assign({},{scrollViewportToShowTarget:Ss,scrollAncestorsToShowTarget:function(t){Is(Fs(t),()=>new Ps(t))}});class Ls{constructor(){this.document=new ao,this.domConverter=new ar,this.domRoots=new Map,this.set("isRenderingInProgress",!1),this._renderer=new Xo(this.domConverter,this.document.selection),this._renderer.bind("isFocused").to(this.document),this._initialDomRootAttributes=new WeakMap,this._observers=new Map,this._ongoingChange=!1,this._postFixersInProgress=!1,this._renderingDisabled=!1,this._hasChangedSinceTheLastRendering=!1,this._writer=new To(this.document),this.addObserver(ts),this.addObserver(ks),this.addObserver(_s),this.addObserver(is),this.addObserver(ws),this.addObserver(vs),go.isAndroid&&this.addObserver(ys),this.document.on("keydown",$o),Co(this),this.on("render",()=>{this._render(),this.document.fire("layoutChanged"),this._hasChangedSinceTheLastRendering=!1}),this.listenTo(this.document.selection,"change",()=>{this._hasChangedSinceTheLastRendering=!0})}attachDomRoot(t,e="main"){const n=this.document.getRoot(e);n._name=t.tagName.toLowerCase();const i={};for(const{name:e,value:o}of Array.from(t.attributes))i[e]=o,"class"===e?this._writer.addClass(o.split(" "),n):this._writer.setAttribute(e,o,n);this._initialDomRootAttributes.set(t,i);const o=()=>{this._writer.setAttribute("contenteditable",!n.isReadOnly,n),n.isReadOnly?this._writer.addClass("ck-read-only",n):this._writer.removeClass("ck-read-only",n)};o(),this.domRoots.set(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=!0});for(const n of this._observers.values())n.observe(t,e)}detachDomRoot(t){const e=this.domRoots.get(t);Array.from(e.attributes).forEach(({name:t})=>e.removeAttribute(t));const n=this._initialDomRootAttributes.get(e);for(const t in n)e.setAttribute(t,n[t]);this.domRoots.delete(t),this.domConverter.unbindDomElement(e)}getDomRoot(t="main"){return this.domRoots.get(t)}addObserver(t){let e=this._observers.get(t);if(e)return e;e=new t(this),this._observers.set(t,e);for(const[t,n]of this.domRoots)e.observe(n,t);return e.enable(),e}getObserver(t){return this._observers.get(t)}disableObservers(){for(const t of this._observers.values())t.disable()}enableObservers(){for(const t of this._observers.values())t.enable()}scrollToTheSelection(){const t=this.document.selection.getFirstRange();t&&Ss({target:this.domConverter.viewRangeToDom(t),viewportOffset:20})}focus(){if(!this.document.isFocused){const t=this.document.selection.editableElement;t&&(this.domConverter.focus(t),this.forceRender())}}change(t){if(this.isRenderingInProgress||this._postFixersInProgress)throw new Zn.b("cannot-change-view-tree: Attempting to make changes to the view when it is in an incorrect state: rendering or post-fixers are in progress. This may cause some unexpected behavior and inconsistency between the DOM and the view.",this);try{if(this._ongoingChange)return t(this._writer);this._ongoingChange=!0;const e=t(this._writer);return this._ongoingChange=!1,!this._renderingDisabled&&this._hasChangedSinceTheLastRendering&&(this._postFixersInProgress=!0,this.document._callPostFixers(this._writer),this._postFixersInProgress=!1,this.fire("render")),e}catch(t){Zn.b.rethrowUnexpectedError(t,this)}}forceRender(){this._hasChangedSinceTheLastRendering=!0,this.change(()=>{})}destroy(){for(const t of this._observers.values())t.destroy();this.document.destroy(),this.stopListening()}createPositionAt(t,e){return to._createAt(t,e)}createPositionAfter(t){return to._createAfter(t)}createPositionBefore(t){return to._createBefore(t)}createRange(t,e){return new eo(t,e)}createRangeOn(t){return eo._createOn(t)}createRangeIn(t){return eo._createIn(t)}createSelec
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
function zs(t){return P(t)?bi(t):new Map(t)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/di(Ls,Hi);class qs{constructor(t){this.parent=null,this._attrs=zs(t)}get index(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildIndex(this)))throw new Zn.b("model-node-not-found-in-parent: The node's parent does not contain this node.",this);return t}get startOffset(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildStartOffset(this)))throw new Zn.b("model-node-not-found-in-parent: The node's parent does not contain this node.",this);return t}get offsetSize(){return 1}get endOffset(){return this.parent?this.startOffset+this.offsetSize:null}get nextSibling(){const t=this.index;return null!==t&&this.parent.getChild(t+1)||null}get previousSibling(){const t=this.index;return null!==t&&this.parent.getChild(t-1)||null}get root(){let t=this;for(;t.parent;)t=t.parent;return t}get document(){return this.root==this?null:this.root.document||null}getPath(){const t=[];let e=this;for(;e.parent;)t.unshift(e.startOffset),e=e.parent;return t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let n=t.includeSelf?this:this.parent;for(;n;)e[t.parentFirst?"push":"unshift"](n),n=n.parent;return e}getCommonAncestor(t,e={}){const n=this.getAncestors(e),i=t.getAncestors(e);let o=0;for(;n[o]==i[o]&&n[o];)o++;return 0===o?null:n[o-1]}isBefore(t){if(this==t)return!1;if(this.root!==t.root)return!1;const e=this.getPath(),n=t.getPath(),i=ui(e,n);switch(i){case"prefix":return!0;case"extension":return!1;default:return e[i]<n[i]}}isAfter(t){return this!=t&&(this.root===t.root&&!this.isBefore(t))}hasAttribute(t){return this._attrs.has(t)}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}toJSON(){const t={};return this._attrs.size&&(t.attributes=Array.from(this._attrs).reduce((t,e)=>(t[e[0]]=e[1],t),{})),t}is(t){return"node"==t||"model:node"==t}_clone(){return new qs(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(t,e){this._attrs.set(t,e)}_setAttributesTo(t){this._attrs=zs(t)}_removeAttribute(t){return this._attrs.delete(t)}_clearAttributes(){this._attrs.clear()}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class js extends qs{constructor(t,e){super(e),this._data=t||""}get offsetSize(){return this.data.length}get data(){return this._data}is(t){return"text"==t||"model:text"==t||super.is(t)}toJSON(){const t=super.toJSON();return t.data=this.data,t}_clone(){return new js(this.data,this.getAttributes())}static fromJSON(t){return new js(t.data,t.attributes)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Hs{constructor(t,e,n){if(this.textNode=t,e<0||e>t.offsetSize)throw new Zn.b("model-textproxy-wrong-offsetintext: Given offsetInText value is incorrect.",this);if(n<0||e+n>t.offsetSize)throw new Zn.b("model-textproxy-wrong-length: Given length value is incorrect.",this);this.data=t.data.substring(e,e+n),this.offsetInText=e}get startOffset(){return null!==this.textNode.startOffset?this.textNode.startOffset+this.offsetInText:null}get offsetSize(){return this.data.length}get endOffset(){return null!==this.startOffset?this.startOffset+this.offsetSize:null}get isPartial(){return this.offsetSize!==this.textNode.offsetSize}get parent(){return this.textNode.parent}get root(){return this.textNode.root}get document(){return this.textNode.document}is(t){return"textProxy"==t||"model:textProxy"==t}getPath(){const t=this.textNode.getPath();return t.length>0&&(t[t.length-1]+=this.offsetInText),t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let n=t.includeSelf?this:this.parent;for(;n;)e[t.parentFirst?"push":"unshift"](n),n=n.parent;return e}hasAttribute(t){return this.textNode.hasAttribute(t)}getAttribute(t){return this.textNode.getAttribute(t)}getAttributes(){return this.textNode.getAttributes()}getAttributeKeys(){return this.textNode.getAttributeKeys()}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Us{constructor(t){this._nodes=[],t&&this._insertNodes(0,t)}[Symbol.iterator](){return this._nodes[Symbol.iterator]()}get length(){return this._nodes.length}get maxOffset(){return this._nodes.reduce((t,e)=>t+e.offsetSize,0)}getNode(t){return this._nodes[t]||null}getNodeIndex(t){const e=this._nodes.indexOf(t);return-1==e?null:e}getNodeStartOffset(t){const e=this.getNodeIndex(t);return null===e?null:this._nodes.slice(0,e).reduce((t,e)=>t+e.offsetSize,0)}indexToOffset(t){if(t==this._nodes.length)return this.maxOffset;const e=this._nodes[t];if(!e)throw new Zn.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 Zn.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 qs))throw new Zn.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())}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class $s extends qs{constructor(t,e,n){super(e),this.name=t,this._children=new Us,n&&this._insertChild(0,n)}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}is(t,e=null){const n=t.replace(/^model:/,"");return e?"element"==n&&e==this.name:"element"==n||n==this.name||super.is(t)}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}offsetToIndex(t){return this._children.offsetToIndex(t)}getNodeByPath(t){let e=this;for(const n of t)e=e.getChild(e.offsetToIndex(n));return e}toJSON(){const t=super.toJSON();if(t.name=this.name,this._children.length>0){t.children=[];for(const e of this._children)t.children.push(e.toJSON())}return t}_clone(t=!1){const e=t?Array.from(this._children).map(t=>t._clone(!0)):null;return new $s(this.name,this.getAttributes(),e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=function(t){if("string"==typeof t)return[new js(t)];wi(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new js(t):t instanceof Hs?new js(t.data,t.getAttributes()):t)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(e);for(const t of n)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n)t.parent=null;return n}static fromJSON(t){let e=null;if(t.children){e=[];for(const n of t.children)n.name?e.push($s.fromJSON(n)):e.push(js.fromJSON(n))}return new $s(t.name,t.attributes,e)}}class Ws{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new Zn.b("model-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.",null);const e=t.direction||"forward";if("forward"!=e&&"backward"!=e)throw new Zn.b("model-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.",t,{direction:e});this.direction=e,this.boundaries=t.boundaries||null,t.startPosition?this.position=t.startPosition.clone():this.position=Js._createAt(this.boundaries["backward"==this.direction?"end":"start"]),this.position.stickiness="toNone",this.singleCharacters=!!t.singleCharacters,this.shallow=!!t.shallow,this.ignoreElementEnd=!!t.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null,this._visitedParent=this.position.parent}[Symbol.iterator](){return this}skip(t){let e,n,i,o;do{i=this.position,o=this._visitedParent,({done:e,value:n}=this.next())}while(!e&&t(n));e||(this.position=i,this._visitedParent=o)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){const t=this.position,e=this.position.clone(),n=this._visitedParent;if(null===n.parent&&e.offset===n.maxOffset)return{done:!0};if(n===this._boundaryEndParent&&e.offset==this.boundaries.end.offset)return{done:!0};const i=e.textNode?e.textNode:e.nodeAfter;if(i instanceof $s)return this.shallow?e.offset++:(e.path.push(0),this._visitedParent=i),this.position=e,Gs("elementStart",i,t,e,1);if(i instanceof js){let o;if(this.singleCharacters)o=1;else{let t=i.endOffset;this._boundaryEndParent==n&&this.boundaries.end.offset<t&&(t=this.boundaries.end.offset),o=t-e.offset}const r=e.offset-i.startOffset,s=new Hs(i,r,o);return e.offset+=o,this.position=e,Gs("text",s,t,e,o)}return e.path.pop(),e.offset++,this.position=e,this._visitedParent=n.parent,this.ignoreElementEnd?this._next():Gs("elementEnd",n,t,e)}_previous(){const t=this.position,e=this.position.clone(),n=this._visitedParent;if(null===n.parent&&0===e.offset)return{done:!0};if(n==this._boundaryStartParent&&e.offset==this.boundaries.start.offset)return{done:!0};const i=e.textNode?e.textNode:e.nodeBefore;if(i instanceof $s)return e.offset--,this.shallow?(this.position=e,Gs("elementStart",i,t,e,1)):(e.path.push(i.maxOffset),this.position=e,this._visitedParent=i,this.ignoreElementEnd?this._previous():Gs("elementEnd",i,t,e));if(i instanceof js){let o;if(this.singleCharacters)o=1;else{let t=i.startOffset;this._boundaryStartParent==n&&this.boundaries.start.offset>t&&(t=this.boundaries.start.offset),o=e.offset-t}const r=e.offset-i.startOffset,s=new Hs(i,r-o,o);return e.offset-=o,this.position=e,Gs("text",s,t,e,o)}return e.path.pop(),this.position=e,this._visitedParent=n.parent,Gs("elementStart",n,t,e,1)}}function Gs(t,e,n,i,o){return{done:!1,value:{type:t,item:e,previousPosition:n,nextPosition:i,length:o}}}var Ks=function(t){var e=null==t?0:t.length;return e?t[e-1]:void 0};
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Js{constructor(t,e,n="toNone"){if(!t.is("element")&&!t.is("documentFragment"))throw new Zn.b("model-position-root-invalid: Position root invalid.",t);if(!(e instanceof Array)||0===e.length)throw new Zn.b("model-position-path-incorrect-format: Position path must be an array with at least one item.",t,{path:e});e=t.getPath().concat(e),t=t.root,this.root=t,this.path=e,this.stickiness=n}get offset(){return Ks(this.path)}set offset(t){this.path[this.path.length-1]=t}get parent(){let t=this.root;for(let e=0;e<this.path.length-1;e++)if(!(t=t.getChild(t.offsetToIndex(this.path[e]))))throw new Zn.b("model-position-path-incorrect: The position's path is incorrect.",this,{position:this});if(t.is("text"))throw new Zn.b("model-position-path-incorrect: The position's path is incorrect.",this,{position:this});return t}get index(){return this.parent.offsetToIndex(this.offset)}get textNode(){const t=this.parent.getChild(this.index);return t instanceof js&&t.startOffset<this.offset?t:null}get nodeAfter(){return null===this.textNode?this.parent.getChild(this.index):null}get nodeBefore(){return null===this.textNode?this.parent.getChild(this.index-1):null}get isAtStart(){return 0===this.offset}get isAtEnd(){return this.offset==this.parent.maxOffset}compareWith(t){if(this.root!=t.root)return"different";const e=ui(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 Ws(e);return n.skip(t),n.position}getParentPath(){return this.path.slice(0,-1)}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonPath(t){if(this.root!=t.root)return[];const e=ui(this.path,t.path),n="string"==typeof e?Math.min(this.path.length,t.path.length):e;return this.path.slice(0,n)}getCommonAncestor(t){const e=this.getAncestors(),n=t.getAncestors();let i=0;for(;e[i]==n[i]&&e[i];)i++;return 0===i?null:e[i-1]}getShiftedBy(t){const e=this.clone(),n=e.offset+t;return e.offset=n<0?0:n,e}isAfter(t){return"after"==this.compareWith(t)}isBefore(t){return"before"==this.compareWith(t)}isEqual(t){return"same"==this.compareWith(t)}isTouching(t){let e=null,n=null;switch(this.compareWith(t)){case"same":return!0;case"before":e=Js._createAt(this),n=Js._createAt(t);break;case"after":e=Js._createAt(t),n=Js._createAt(this);break;default:return!1}let i=e.parent;for(;e.path.length+n.path.length;){if(e.isEqual(n))return!0;if(e.path.length>n.path.length){if(e.offset!==i.maxOffset)return!1;e.path=e.path.slice(0,-1),i=i.parent,e.offset++}else{if(0!==n.offset)return!1;n.path=n.path.slice(0,-1)}}}is(t){return"position"==t||"model:position"==t}hasSameParentAs(t){if(this.root!==t.root)return!1;return"same"==ui(this.getParentPath(),t.getParentPath())}getTransformedByOperation(t){let e;switch(t.type){case"insert":e=this._getTransformedByInsertOperation(t);break;case"move":case"remove":case"reinsert":e=this._getTransformedByMoveOperation(t);break;case"split":e=this._getTransformedBySplitOperation(t);break;case"merge":e=this._getTransformedByMergeOperation(t);break;default:e=Js._createAt(this)}return e}_getTransformedByInsertOperation(t){return this._getTransformedByInsertion(t.position,t.howMany)}_getTransformedByMoveOperation(t){return this._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany)}_getTransformedBySplitOperation(t){const e=t.movedRange;return e.containsPosition(this)||e.start.isEqual(this)&&"toNext"==this.stickiness?this._getCombined(t.splitPosition,t.moveTargetPosition):t.graveyardPosition?this._getTransformedByMove(t.graveyardPosition,t.insertionPosition,1):this._getTransformedByInsertion(t.insertionPosition,1)}_getTransformedByMergeOperation(t){const e=t.movedRange;let n;return e.containsPosition(this)||e.start.isEqual(this)?(n=this._getCombined(t.sourcePosition,t.targetPosition),t.sourcePosition.isBefore(t.targetPosition)&&(n=n._getTransformedByDeletion(t.deletionPosition,1))):n=this.isEqual(t.deletionPosition)?Js._createA
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Zs{constructor(t,e=null){this.start=Js._createAt(t),this.end=e?Js._createAt(e):Js._createAt(t),this.start.stickiness=this.isCollapsed?"toNone":"toNext",this.end.stickiness=this.isCollapsed?"toNone":"toPrevious"}*[Symbol.iterator](){yield*new Ws({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return"same"==ui(this.start.getParentPath(),this.end.getParentPath())}get root(){return this.start.root}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=!1){t.isCollapsed&&(e=!1);const n=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),i=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return n&&i}containsItem(t){const e=Js._createBefore(t);return this.containsPosition(e)||this.start.isEqual(e)}is(t){return"range"==t||"model:range"==t}isEqual(t){return this.start.isEqual(t.start)&&this.end.isEqual(t.end)}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new Zs(this.start,t.start)),this.containsPosition(t.end)&&e.push(new Zs(t.end,this.end))):e.push(new Zs(this.start,this.end)),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,n=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(n=t.end),new Zs(e,n)}return null}getMinimalFlatRanges(){const t=[],e=this.start.getCommonPath(this.end).length,n=Js._createAt(this.start);let i=n.parent;for(;n.path.length>e+1;){const e=i.maxOffset-n.offset;0!==e&&t.push(new Zs(n,n.getShiftedBy(e))),n.path=n.path.slice(0,-1),n.offset++,i=i.parent}for(;n.path.length<=this.end.path.length;){const e=this.end.path[n.path.length-1],i=e-n.offset;0!==i&&t.push(new Zs(n,n.getShiftedBy(i))),n.offset=e,n.path.push(0)}return t}getWalker(t={}){return t.boundaries=this,new Ws(t)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new Ws(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new Ws(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 Zs(this.start,this.end)]}getTransformedByOperations(t){const e=[new Zs(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];(n.containsRange(t)||t.containsRange(n)||n.isEqual(t))&&e.splice(i,1)}}return e}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}toJSON(){return{start:this.start.toJSON(),end:this.end.toJSON()}}clone(){return new this.constructor(this.start,this.end)}_getTransformedByInsertOperation(t,e=!1){return this._getTransformedByInsertion(t.position,t.howMany,e)}_getTransformedByMoveOperation(t,e=!1){const n=t.sourcePosition,i=t.howMany,o=t.targetPosition;return this._getTransformedByMove(n,o,i,e)}_getTransformedBySplitOperation(t){const e=this.start._getTransformedBySplitOperation(t);let n=this.end._getTransformedBySplitOperation(t);return this.end.isEqual(t.insertionPosition)&&(n=this.end.getShiftedBy(1)),e.root!=n.root&&(n=this.end.getShiftedBy(-1)),new Zs(e,n)}_getTransformedByMergeOperation(t){if(this.start.isEqual(t.targetPosition)&&this.end.isEqual(t.deletionPosition))return new Zs(this.start);let e=this.start._getTransformedByMergeOperation(t),n=this.end._getTransformedByMergeOperation(t);return e.root!=n.root&&(n=this.end.getShiftedBy(-1)),e.isAfter(n)?(t.sourcePosition.isBefore(t.targetPosition)?(e=Js._createAt(n)).offset=0:(t.deletionPosition.isEqual(e)||(n=t.deletionPosition),e=t.targetPosition),new Zs(e,n)):new Zs(e,n)}_getTransformedByInsertion(t,e,n=!1){if(n&&this.containsPosition(t))return[new Zs(this.s
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Qs{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),i=this._viewToModelMapping.get(n),o=this._toModelOffset(e.viewPosition.parent,e.viewPosition.offset,n);e.modelPosition=Js._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);if(this._viewToModelMapping.delete(t),this._elementToMarkerNames.has(t))for(const e of this._elementToMarkerNames.get(t))this._unboundMarkerNames.add(e);this._modelToViewMapping.get(e)==t&&this._modelToViewMapping.delete(e)}unbindModelElement(t){const e=this.toViewElement(t);this._modelToViewMapping.delete(t),this._viewToModelMapping.get(e)==t&&this._viewToModelMapping.delete(e)}bindElementToMarker(t,e){const n=this._markerNameToElements.get(e)||new Set;n.add(t);const 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);n&&(n.delete(t),0==n.size&&this._markerNameToElements.delete(e));const i=this._elementToMarkerNames.get(t);i&&(i.delete(e),0==i.size&&this._elementToMarkerNames.delete(t))}flushUnboundMarkerNames(){const t=Array.from(this._unboundMarkerNames);return this._unboundMarkerNames.clear(),t}clearBindings(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._unboundMarkerNames=new Set}toModelElement(t){return this._viewToModelMapping.get(t)}toViewElement(t){return this._modelToViewMapping.get(t)}toModelRange(t){return new Zs(this.toModelPosition(t.start),this.toModelPosition(t.end))}toViewRange(t){return new eo(this.toViewPosition(t.start),this.toViewPosition(t.end))}toModelPosition(t){const e={viewPosition:t,mapper:this};return this.fire("viewToModelPosition",e),e.modelPosition}toViewPosition(t,e={isPhantom:!1}){const n={modelPosition:t,mapper:this,isPhantom:e.isPhantom};return this.fire("modelToViewPosition",n),n.viewPosition}markerNameToElements(t){const e=this._markerNameToElements.get(t);if(!e)return null;const n=new Set;for(const t of e)if(t.is("attributeElement"))for(const e of t.getElementsWithSameId())n.add(e);else n.add(t);return n}registerViewToModelLength(t,e){this._viewToModelLengthCallbacks.set(t,e)}findMappedViewAncestor(t){let e=t.parent;for(;!this._viewToModelMapping.has(e);)e=e.parent;return e}_toModelOffset(t,e,n){if(n!=t){return this._toModelOffset(t.parent,t.index,n)+this._toModelOffset(t,e,t)}if(t.is("text"))return e;let 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)){return this._viewToModelLengthCallbacks.get(t.name)(t)}if(this._viewToModelMapping.has(t))return 1;if(t.is("text"))return t.data.length;if(t.is("uiElement"))return 0;{let e=0;for(const n of t.getChildren())e+=this.getModelLength(n);return e}}_findPositionIn(t,e){let n,i=0,o=0,r=0;if(t.is("text"))return new to(t,e);for(;o<e;)n=t.getChild(r),o+=i=this.getModelLength(n),r++;return o==e?this._moveViewPositionToTextNode(new to(t,r)):this._findPositionIn(n,e-(o-i))}_moveViewPositionToTextNode(t){const e=t.nodeBefore,n=t.nodeAfter;return e instanceof mi?new to(e,e.data.length):n instanceof mi?new to(n,0):t}}di(Qs,ii);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class Ys{constructor(){this._consumable=new Map,this._textProxyRegistry=new Map}add(t,e){e=Xs(e),t instanceof Hs&&(t=this._getSymbolForTextProxy(t)),this._consumable.has(t)||this._consumable.set(t,new Map),this._consumable.get(t).set(e,!0)}consume(t,e){return e=Xs(e),t instanceof Hs&&(t=this._getSymbolForTextProxy(t)),!!this.test(t,e)&&(this._consumable.get(t).set(e,!1),!0)}test(t,e){e=Xs(e),t instanceof Hs&&(t=this._getSymbolForTextProxy(t));const n=this._consumable.get(t);if(void 0===n)return null;const i=n.get(e);return void 0===i?null:i}revert(t,e){e=Xs(e),t instanceof Hs&&(t=this._getSymbolForTextProxy(t));const n=this.test(t,e);return!1===n?(this._consumable.get(t).set(e,!0),!0):!0!==n&&null}_getSymbolForTextProxy(t){let e=null;const n=this._textProxyRegistry.get(t.startOffset);if(n){const i=n.get(t.endOffset);i&&(e=i.get(t.parent))}return e||(e=this._addSymbolForTextProxy(t.startOffset,t.endOffset,t.parent)),e}_addSymbolForTextProxy(t,e,n){const i=Symbol("textProxySymbol");let o,r;return(o=this._textProxyRegistry.get(t))||(o=new Map,this._textProxyRegistry.set(t,o)),(r=o.get(e))||(r=new Map,o.set(e,r)),r.set(n,i),i}}function Xs(t){const e=t.split(":");return e.length>1?e[0]+":"+e[1]:e[0]}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class ta{constructor(t){this.conversionApi=Bi({dispatcher:this},t)}convertChanges(t,e,n){for(const e of t.getMarkersToRemove())this.convertMarkerRemove(e.name,e.range,n);for(const e of t.getChanges())"insert"==e.type?this.convertInsert(Zs._createFromPositionAndShift(e.position,e.length),n):"remove"==e.type?this.convertRemove(e.position,e.length,e.name,n):this.convertAttribute(e.range,e.attributeKey,e.attributeOldValue,e.attributeNewValue,n);for(const t of this.conversionApi.mapper.flushUnboundMarkerNames()){const 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,n={item:t,range:Zs._createFromPositionAndShift(e.previousPosition,e.length)};this._testAndFire("insert",n);for(const e of t.getAttributeKeys())n.attributeKey=e,n.attributeOldValue=null,n.attributeNewValue=t.getAttribute(e),this._testAndFire(`attribute:${e}`,n)}this._clearConversionApi()}convertRemove(t,e,n,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:${e}`);for(const o of t){const t={item:o.item,range:Zs._createFromPositionAndShift(o.previousPosition,o.length),attributeKey:e,attributeOldValue:n,attributeNewValue:i};this._testAndFire(`attribute:${e}`,t)}this._clearConversionApi()}convertSelection(t,e,n){const i=Array.from(e.getMarkersAtPosition(t.getFirstPosition()));if(this.conversionApi.writer=n,this.conversionApi.consumable=this._createSelectionConsumable(t,i),this.fire("selection",{selection:t},this.conversionApi),t.isCollapsed){for(const e of i){const n=e.getRange();if(!ea(t.getFirstPosition(),e,this.conversionApi.mapper))continue;const i={item:t,markerName:e.name,markerRange:n};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)};this.conversionApi.consumable.test(t,"attribute:"+n.attributeKey)&&this.fire("attribute:"+n.attributeKey+":$text",n,this.conversionApi)}this._clearConversionApi()}}convertMarkerAdd(t,e,n){if(!e.root.document||"$graveyard"==e.root.rootName)return;this.conversionApi.writer=n;const i="addMarker:"+t,o=new Ys;if(o.add(e,i),this.conversionApi.consumable=o,this.fire(i,{markerName:t,markerRange:e},this.conversionApi),o.test(e,i)){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:Zs._createOn(n),markerName:t,markerRange:e};this.fire(i,o,this.conversionApi)}this._clearConversionApi()}}convertMarkerRemove(t,e,n){e.root.document&&"$graveyard"!=e.root.rootName&&(this.conversionApi.writer=n,this.fire("removeMarker:"+t,{markerName:t,markerRange:e},this.conversionApi),this._clearConversionApi())}_createInsertConsumable(t){const e=new Ys;for(const n of t){const t=n.item;e.add(t,"insert");for(const n of t.getAttributeKeys())e.add(t,"attribute:"+n)}return e}_createConsumableForRange(t,e){const n=new Ys;for(const i of t.getItems())n.add(i,e);return n}_createSelectionConsumable(t,e){const n=new Ys;n.add(t,"selection");for(const i of e)n.add(t,"addMarker:"+i.name);for(const e of t.getAttributeKeys())n.add(t,"attribute:"+e);return n}_testAndFire(t,e){if(!this.conversionApi.consumable.test(e.item,t))return;const n=e.item.name||"$text";this.fire(t+":"+n,e,this.conversionApi)}_clearConversionApi(){delete this.conversionApi.writer,delete this.conversionApi.consumable}}function ea(t,e,n){const i=e.getRange(),o=Array.from(t.getAncestors());return o.shift(),o.reverse(),!o.some(t=>{if(i.containsItem(t)){return!!n.toViewElement(t).getCustomProperty("addHighlight")}})}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/di(ta,ii);class na{constructor(t,e,n){this._lastRangeBackward=!1,this._ranges=[],this._attrs=new Map,t&&this.setTo(t,e,n)}get anchor(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.end:t.start}return null}get focus(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.start:t.end}return null}get isCollapsed(){return 1===this._ranges.length&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}isEqual(t){if(this.rangeCount!=t.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus))return!1;for(const e of this._ranges){let n=!1;for(const i of t._ranges)if(e.isEqual(i)){n=!0;break}if(!n)return!1}return!0}*getRanges(){for(const t of this._ranges)yield new Zs(t.start,t.end)}getFirstRange(){let t=null;for(const e of this._ranges)t&&!e.start.isBefore(t.start)||(t=e);return t?new Zs(t.start,t.end):null}getLastRange(){let t=null;for(const e of this._ranges)t&&!e.end.isAfter(t.end)||(t=e);return t?new Zs(t.start,t.end):null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}setTo(t,e,n){if(null===t)this._setRanges([]);else if(t instanceof na)this._setRanges(t.getRanges(),t.isBackward);else if(t&&"function"==typeof t.getRanges)this._setRanges(t.getRanges(),t.isBackward);else if(t instanceof Zs)this._setRanges([t],!!e&&!!e.backward);else if(t instanceof Js)this._setRanges([new Zs(t)]);else if(t instanceof qs){const i=!!n&&!!n.backward;let o;if("in"==e)o=Zs._createIn(t);else if("on"==e)o=Zs._createOn(t);else{if(void 0===e)throw new Zn.b("model-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.",[this,t]);o=new Zs(Js._createAt(t,e))}this._setRanges([o],i)}else{if(!wi(t))throw new Zn.b("model-selection-setTo-not-selectable: Cannot set the selection to the given place.",[this,t]);this._setRanges(t,e&&!!e.backward)}}_setRanges(t,e=!1){const n=(t=Array.from(t)).some(e=>{if(!(e instanceof Zs))throw new Zn.b("model-selection-set-ranges-not-range: Selection range set to an object that is not an instance of model.Range.",[this,t]);return this._ranges.every(t=>!t.isEqual(e))});if(t.length!==this._ranges.length||n){this._removeAllRanges();for(const e of t)this._pushRange(e);this._lastRangeBackward=!!e,this.fire("change:range",{directChange:!0})}}setFocus(t,e){if(null===this.anchor)throw new Zn.b("model-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.",[this,t]);const n=Js._createAt(t,e);if("same"==n.compareWith(this.focus))return;const i=this.anchor;this._ranges.length&&this._popRange(),"before"==n.compareWith(i)?(this._pushRange(new Zs(n,i)),this._lastRangeBackward=!0):(this._pushRange(new Zs(i,n)),this._lastRangeBackward=!1),this.fire("change:range",{directChange:!0})}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}hasAttribute(t){return this._attrs.has(t)}removeAttribute(t){this.hasAttribute(t)&&(this._attrs.delete(t),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}setAttribute(t,e){this.getAttribute(t)!==e&&(this._attrs.set(t,e),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}getSelectedElement(){if(1!==this.rangeCount)return null;const t=this.getFirstRange(),e=t.start.nodeAfter,n=t.end.nodeBefore;return e instanceof $s&&e==n?e:null}is(t){return"selection"==t||"model:selection"==t}*getSelectedBlocks(){const t=new WeakSet;for(const e of this.getRanges()){const n=ra(e.start,t);n&&sa(n,e)&&(yield n);for(const n of e.getWalker()){const i=n.item;"elementEnd"==n.type&&oa(i,t,e)&&(yield i)}const i=ra(e.end,t);i&&!e.end.isTouching(Js._createAt(i,0))&&sa(i,e)&&(yield i)}}containsEntireContent(t=this.anchor.root){const e=Js._createAt(t,0),n=Js._createAt(t,"end");
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(t);return!n||!e.containsRange(Zs._createOn(n),!0)}di(na,ii);class aa extends Zs{constructor(t,e){super(t,e),ca.call(this)}detach(){this.stopListening()}is(t){return"liveRange"==t||"model:liveRange"==t||super.is(t)}toRange(){return new Zs(this.start,this.end)}static fromRange(t){return new aa(t.start,t.end)}}function ca(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&la.call(this,n)},{priority:"low"})}function la(t){const e=this.getTransformedByOperation(t),n=Zs._createFromRanges(e),i=!n.isEqual(this),o=function(t,e){switch(e.type){case"insert":return t.containsPosition(e.position);case"move":case"remove":case"reinsert":case"merge":return t.containsPosition(e.sourcePosition)||t.start.isEqual(e.sourcePosition)||t.containsPosition(e.targetPosition);case"split":return t.containsPosition(e.splitPosition)||t.containsPosition(e.insertionPosition)}return!1}(this,t);let r=null;if(i){"$graveyard"==n.root.rootName&&(r="remove"==t.type?t.sourcePosition:t.deletionPosition);const e=this.toRange();this.start=n.start,this.end=n.end,this.fire("change:range",e,{deletionPosition:r})}else o&&this.fire("change:content",this.toRange(),{deletionPosition:r})}di(aa,ii);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
const da="selection:";class ua{constructor(t){this._selection=new ha(t),this._selection.delegate("change:range").to(this),this._selection.delegate("change:attribute").to(this)}get isCollapsed(){return this._selection.isCollapsed}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get rangeCount(){return this._selection.rangeCount}get hasOwnRange(){return this._selection.hasOwnRange}get isBackward(){return this._selection.isBackward}get isGravityOverridden(){return this._selection.isGravityOverridden}get markers(){return this._selection.markers}get _ranges(){return this._selection._ranges}getRanges(){return this._selection.getRanges()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getSelectedBlocks(){return this._selection.getSelectedBlocks()}getSelectedElement(){return this._selection.getSelectedElement()}containsEntireContent(t){return this._selection.containsEntireContent(t)}destroy(){this._selection.destroy()}getAttributeKeys(){return this._selection.getAttributeKeys()}getAttributes(){return this._selection.getAttributes()}getAttribute(t){return this._selection.getAttribute(t)}hasAttribute(t){return this._selection.hasAttribute(t)}refresh(){this._selection._updateMarkers(),this._selection._updateAttributes(!1)}is(t){return"selection"==t||"model:selection"==t||"documentSelection"==t||"model:documentSelection"==t}_setFocus(t,e){this._selection.setFocus(t,e)}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setAttribute(t,e){this._selection.setAttribute(t,e)}_removeAttribute(t){this._selection.removeAttribute(t)}_getStoredAttributes(){return this._selection._getStoredAttributes()}_overrideGravity(){return this._selection.overrideGravity()}_restoreGravity(t){this._selection.restoreGravity(t)}static _getStoreAttributeKey(t){return da+t}static _isStoreAttributeKey(t){return t.startsWith(da)}}di(ua,ii);class ha extends na{constructor(t){super(),this.markers=new so({idProperty:"name"}),this._model=t.model,this._document=t,this._attributePriority=new Map,this._fixGraveyardRangesData=[],this._hasChangedRange=!1,this._overriddenGravityRegister=new Set,this.listenTo(this._model,"applyOperation",(t,e)=>{const n=e[0];if(n.isDocumentOperation&&"marker"!=n.type&&"rename"!=n.type&&"noop"!=n.type){for(;this._fixGraveyardRangesData.length;){const{liveRange:t,sourcePosition:e}=this._fixGraveyardRangesData.shift();this._fixGraveyardSelection(t,e)}this._hasChangedRange&&(this._hasChangedRange=!1,this.fire("change:range",{directChange:!1}))}},{priority:"lowest"}),this.on("change:range",()=>{for(const t of this.getRanges())if(!this._document._validateSelectionRange(t))throw new Zn.b("document-selection-wrong-position: Range from document selection starts or ends at incorrect position.",this,{range:t})}),this.listenTo(this._model.markers,"update",()=>this._updateMarkers()),this.listenTo(this._document,"change",(t,e)=>{!function(t,e){const n=t.document.differ;for(const i of n.getChanges()){if("insert"!=i.type)continue;const n=i.position.parent;i.length===n.maxOffset&&t.enqueueChange(e,t=>{const e=Array.from(n.getAttributeKeys()).filter(t=>t.startsWith(da));for(const i of e)t.removeAttribute(i,n)})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(this._model,e)})}get isCollapsed(){return 0===this._ranges.length?this._document._getDefaultRange().isCollapsed:super.isCollapsed}get anchor(){return super.anchor||this._document._getDefaultRange().start}get focus(){return super.focus||this._document._getDefaultRange().end}get rangeCount(){return this._ranges.length?this._ranges.length:1}get hasOwnRange(){return this._ranges.length>0}get isGravityOverridden(){return!!this._overriddenGravityRegister.size}destroy(){for(let t=0;t<this._ranges.length;t++)this._ranges[t].detach();this.stopListening()}*getRanges(){this._ranges.length?yield*super.getRanges():yield this._document._getDefaultRange()}getFirstRange(){return super.getFirstRange()||this._document._getDefaultRange()}getLastRange(){return super.getLastRange()||this._document._getDefaultRange()}setTo(t,e,n){super.setTo(t,e,n),this._updateAttributes(!0)}setFocus(t,e){super.setFocus(t,e),this._updateAttributes(!0)}setAttribute(t,e){if(this._setAttribute(t,e)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}removeAttribute(t){if(this._removeAttribute(t)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}overrideGravity(){const t=Xn();return this._overriddenGravityRegister.add(t),1===this._overriddenGravityRegister.size&&this._updateAttributes(!0),t}restoreGravity(t){if(!this._overriddenGravityRegister.has(t))throw new Zn.b("document-selection-gravity-wrong-restore: Attempting to restore the selection gravity for an unknown UID.",this,{uid:t});this._overriddenGravityRegister.delete(t),this.isGravityOverridden||this._updateAttributes(!0)}_popRange(){this._ranges.pop().detach()}_pushRange(t){const e=this._prepareRange(t);e&&this._ranges.push(e)}_prepareRange(t){if(this._checkRange(t),t.root==this._document.graveyard)return;const e=aa.fromRange(t);return e.on("change:range",(t,n,i)=>{this._hasChangedRange=!0,e.root==this._document.graveyard&&this._fixGraveyardRangesData.push({liveRange:e,sourcePosition:i.deletionPosition})}),e}_updateMarkers(){const t=[];for(const e of this._model.markers){const n=e.getRange();for(const i of this.getRanges())n.containsRange(i,!i.isCollapsed)&&t.push(e)}for(const e of t)this.markers.has(e)||this.markers.add(e);for(const e of Array.from(this.markers))t.includes(e)||this.markers.remove(e)}_updateAttributes(t){const e=zs(this._getSurroundingAttributes()),n=zs(this.getAttributes());if(t)this._attributePriority=new Map,this._attrs=new Map;else for(const[t,e]of this._attributePriority)"low"==e&&(this._attrs.delete(t),this._attributePriority.delete(t));this._setAttributesTo(e);const i=[];for(const[t,e]of this.getAttributes())n.has(t)&&n.get(t)===e||i.push(t);for(const[t]of n)this.hasAttribute(t)||i.push(t);i.length>0&&this.fire("change:attribute",{attributeKeys:i,directChange:!1})}_setAttribute(t,e,n=!0){const i=n?"normal":"low";return("low"!=i||"normal"!=this._attributePriority.get(t))&&(super.getAttribute(t)!==e&&(this._attrs.set(t,e),this._attributePriority.set(t,i),!0))}_removeAttribute(t,e=!0){const n=e?"normal":"low";return("low"!=n||"normal"!=this._attributePriority.get(t))&&(this._attributePriority.set(t,n),!!super.hasAttribute(t)&&(this._attrs.delete(t),!0))}_setAttributesTo(t){const e=new Set;for(const[e,n]of this.getAttributes())t.get(e)!==n&&this._removeAttribute(e,!1);for(const[n,i]of t){this._setAttribute(n,i,!1)&&e.add(n)}return e}*_getStoredAttributes(){const t=this.getFirstPosition().parent;if(this.isCollapsed&&t.isEmpty)for(const e of t.getAttributeKeys())if(e.startsWith(da)){const n=e.substr(da.length);yield[n,t.getAttribute(e)]}}_getSurroundingAttributes(){const t=this.getFirstPosition(),e=this._model.schema;let n=null;if(this.isCollapsed){const e=t.textNode?t.textNode:t.nodeBefore,i=t.textNode?t.textNode:t.nodeAfter;if(this.isGravityOverridden||(n=fa(e)),n||(n=fa(i)),!this.isGravityOverridden&&!n){let t=e;for(;t&&!n;)n=fa(t=t.previousSibling)}if(!n){let t=i;for(;t&&!n;)n=fa(t=t.nextSibling)}n||(n=this._getStoredAttributes())}else{const t=this.getFirstRange();for(const i of t){if(i.item.is("element")&&e.isObject(i.item))b
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class wa extends pa{elementToElement(t){return this.add(function(t){return(t=ba(t)).view=_a(t.view,"container"),e=>{e.on("insert:"+t.model,function(t){return(e,n,i)=>{const o=t(n.item,i.writer);if(!o)return;if(!i.consumable.consume(n.item,"insert"))return;const r=i.mapper.toViewPosition(n.range.start);i.mapper.bindElements(n.item,o),i.writer.insert(r,o)}}(t.view),{priority:t.converterPriority||"normal"})}}(t))}attributeToElement(t){return this.add(function(t){let e="attribute:"+((t=ba(t)).model.key?t.model.key:t.model);t.model.name&&(e+=":"+t.model.name);if(t.model.values)for(const e of t.model.values)t.view[e]=_a(t.view[e],"attribute");else t.view=_a(t.view,"attribute");const n=va(t);return i=>{i.on(e,function(t){return(e,n,i)=>{const o=t(n.attributeOldValue,i.writer),r=t(n.attributeNewValue,i.writer);if(!o&&!r)return;if(!i.consumable.consume(n.item,e.name))return;const s=i.writer,a=s.document.selection;if(n.item instanceof na||n.item instanceof ua)s.wrap(a.getFirstRange(),r);else{let t=i.mapper.toViewRange(n.range);null!==n.attributeOldValue&&o&&(t=s.unwrap(t,o)),null!==n.attributeNewValue&&r&&s.wrap(t,r)}}}(n),{priority:t.converterPriority||"normal"})}}(t))}attributeToAttribute(t){return this.add(function(t){let e="attribute:"+((t=ba(t)).model.key?t.model.key:t.model);t.model.name&&(e+=":"+t.model.name);if(t.model.values)for(const e of t.model.values)t.view[e]=ya(t.view[e]);else t.view=ya(t.view);const n=va(t);return i=>{i.on(e,function(t){return(e,n,i)=>{const o=t(n.attributeOldValue,n),r=t(n.attributeNewValue,n);if(!o&&!r)return;if(!i.consumable.consume(n.item,e.name))return;const s=i.mapper.toViewElement(n.item),a=i.writer;if(!s)throw new Zn.b("conversion-attribute-to-attribute-on-text: Trying to convert text node's attribute with attribute-to-attribute converter.",[n,i]);if(null!==n.attributeOldValue&&o)if("class"==o.key){const t=Array.isArray(o.value)?o.value:[o.value];for(const e of t)a.removeClass(e,s)}else if("style"==o.key){const t=Object.keys(o.value);for(const e of t)a.removeStyle(e,s)}else a.removeAttribute(o.key,s);if(null!==n.attributeNewValue&&r)if("class"==r.key){const t=Array.isArray(r.value)?r.value:[r.value];for(const e of t)a.addClass(e,s)}else if("style"==r.key){const t=Object.keys(r.value);for(const e of t)a.setStyle(e,r.value[e],s)}else a.setAttribute(r.key,r.value,s)}}(n),{priority:t.converterPriority||"normal"})}}(t))}markerToElement(t){return this.add(function(t){return(t=ba(t)).view=_a(t.view,"ui"),e=>{e.on("addMarker:"+t.model,function(t){return(e,n,i)=>{n.isOpening=!0;const o=t(n,i.writer);n.isOpening=!1;const r=t(n,i.writer);if(!o||!r)return;const s=n.markerRange;if(s.isCollapsed&&!i.consumable.consume(s,e.name))return;for(const t of s)if(!i.consumable.consume(t.item,e.name))return;const a=i.mapper,c=i.writer;c.insert(a.toViewPosition(s.start),o),i.mapper.bindElementToMarker(o,n.markerName),s.isCollapsed||(c.insert(a.toViewPosition(s.end),r),i.mapper.bindElementToMarker(r,n.markerName)),e.stop()}}(t.view),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,(t.view,(t,e,n)=>{const i=n.mapper.markerNameToElements(e.markerName);if(i){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()}}),{priority:t.converterPriority||"normal"})}}(t))}markerToHighlight(t){return this.add(function(t){return e=>{e.on("addMarker:"+t.model,function(t){return(e,n,i)=>{if(!n.item)return;if(!(n.item instanceof na||n.item instanceof ua||n.item.is("textProxy")))return;const o=xa(t,n,i);if(!o)return;if(!i.consumable.consume(n.item,e.name))return;const r=ka(o),s=i.writer,a=s.document.selection;if(n.item instanceof na||n.item instanceof ua)s.wrap(a.getFirstRange(),r,a);else{const t=i.mapper.toViewRange(n.range),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}}}}(t.view),{priority:t.converterPriority||"normal"}),e.on("addMarker:"+t.model,function(t){return(e,n,i)=>{if(!n.item)return;if(!(n.ite
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Ca extends pa{elementToElement(t){return this.add(Aa(t))}elementToAttribute(t){return this.add(function(t){Ta(t=ba(t));const e=Ea(t,!1),n=Pa(t.view),i=n?"element:"+n:"element";return n=>{n.on(i,e,{priority:t.converterPriority||"low"})}}(t))}attributeToAttribute(t){return this.add(function(t){t=ba(t);let e=null;("string"==typeof t.view||t.view.key)&&(e=function(t){"string"==typeof t.view&&(t.view={key:t.view});const e=t.view.key;let n;if("class"==e||"style"==e){n={["class"==e?"classes":"styles"]:t.view.value}}else{const i=void 0===t.view.value?/[\s\S]*/:t.view.value;n={attributes:{[e]:i}}}t.view.name&&(n.name=t.view.name);return t.view=n,e}(t));Ta(t,e);const n=Ea(t,!0);return e=>{e.on("element",n,{priority:t.converterPriority||"low"})}}(t))}elementToMarker(t){return this.add(function(t){return function(t){const e=t.model;t.model=(t,n)=>{const i="string"==typeof e?e:e(t);return n.createElement("$marker",{"data-name":i})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(t=ba(t)),Aa(t)}(t))}}function Aa(t){const e=function(t){const e=t.view?new ki(t.view):null;return(n,i,o)=>{let r={};if(e){const t=e.match(i.viewItem);if(!t)return;r=t.match}r.name=!0;const s=function(t,e,n){return t instanceof Function?t(e,n):n.createElement(t)}(t.model,i.viewItem,o.writer);if(!s)return;if(!o.consumable.test(i.viewItem,r))return;const a=o.splitToAllowedParent(s,i.modelCursor);if(!a)return;o.writer.insert(s,a.position),o.convertChildren(i.viewItem,o.writer.createPositionAt(s,0)),o.consumable.consume(i.viewItem,r);const c=o.getSplitParts(s);i.modelRange=new Zs(o.writer.createPositionBefore(s),o.writer.createPositionAfter(c[c.length-1])),a.cursorParent?i.modelCursor=o.writer.createPositionAt(a.cursorParent,0):i.modelCursor=i.modelRange.end}}(t=ba(t)),n=Pa(t.view),i=n?"element:"+n:"element";return n=>{n.on(i,e,{priority:t.converterPriority||"normal"})}}function Pa(t){return"string"==typeof t?t:"object"==typeof t&&"string"==typeof t.name?t.name:null}function Ta(t,e=null){const n=null===e||(t=>t.getAttribute(e)),i="object"!=typeof t.model?t.model:t.model.key,o="object"!=typeof t.model||void 0===t.model.value?n:t.model.value;t.model={key:i,value:o}}function Ea(t,e){const n=new ki(t.view);return(i,o,r)=>{const s=n.match(o.viewItem);if(!s)return;const a=t.model.key,c="function"==typeof t.model.value?t.model.value(o.viewItem):t.model.value;null!==c&&(!function(t,e){const n="function"==typeof t?t(e):t;if("object"==typeof n&&!Pa(n))return!1;return!n.classes&&!n.attributes&&!n.styles}(t.view,o.viewItem)?delete s.match.name:s.match.name=!0,r.consumable.test(o.viewItem,s.match)&&(o.modelRange||(o=Object.assign(o,r.convertChildren(o.viewItem,o.modelCursor))),function(t,e,n,i){let o=!1;for(const r of Array.from(t.getItems({shallow:n})))i.schema.checkAttribute(r,e.key)&&(i.writer.setAttribute(e.key,e.value,r),o=!0);return o}(o.modelRange,{key:a,value:c},e,r)&&r.consumable.consume(o.viewItem,s.match)))}}class Sa{constructor(t){this.model=t,this.view=new Ls,this.mapper=new Qs,this.downcastDispatcher=new ta({mapper:this.mapper});const e=this.model.document,n=e.selection,i=this.model.markers;this.listenTo(this.model,"_beforeChanges",()=>{this.view._disableRendering(!0)},{priority:"highest"}),this.listenTo(this.model,"_afterChanges",()=>{this.view._disableRendering(!1)},{priority:"lowest"}),this.listenTo(e,"change",()=>{this.view.change(t=>{this.downcastDispatcher.convertChanges(e.differ,i,t),this.downcastDispatcher.convertSelection(n,i,t)})},{priority:"low"}),this.listenTo(this.view.document,"selectionChange",function(t,e){return(n,i)=>{const o=i.newSelection,r=new na,s=[];for(const t of o.getRanges())s.push(e.toModelRange(t));r.setTo(s,{backward:o.isBackward}),r.isEqual(t.document.selection)||t.change(t=>{t.setSelection(r)})}}(this.model,this.mapper)),this.downcastDispatcher.on("insert:$text",(t,e,n)=>{if(!n.consumable.consume(e.item,"insert"))return;const i=n.writer,o=n.mapper.toViewPosition(e.range.start),r=i.createText(e.item.data);i.insert(o,r)},{priority:"lowest"}),this.downcastDispatcher.on("remove",(t,e,n)=>{const i=n.mapper.toViewPosition(e.position),o=e.position.getShiftedBy(e.length),r=n.mapper.toViewPosition(o,{isPhantom:!0}),s=n.writer.createRange(i,r),a=n.writer.remove(s.getTrimmed());for(const t of n.writer.createRangeIn(a).getItems())n.mapper.unbindViewElement(t)},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const i=n.writer,o=i.document.selection;for(const t of o.getRanges())t.isCollapsed&&t.end.parent.document&&n.writer.mergeAttributes(t.start);i.setSelection(null)},{priority:"low"}),this.downcastDispatcher.on("selection",(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})},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const i=e.selection;if(!i.isCollapsed)return;if(!n.consumable.consume(i,"selection"))return;const o=n.writer,r=i.getFirstPosition(),s=n.mapper.toViewPosition(r),a=o.br
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class Ra{constructor(t,e=[]){this._editor=t,this._availablePlugins=new Map,this._plugins=new Map;for(const t of e)this._availablePlugins.set(t,t),t.pluginName&&this._availablePlugins.set(t.pluginName,t)}*[Symbol.iterator](){for(const t of this._plugins)"function"==typeof t[0]&&(yield t)}get(t){const e=this._plugins.get(t);if(!e){const e="plugincollection-plugin-not-loaded: The requested plugin is not loaded.";let n=t;throw"function"==typeof t&&(n=t.pluginName||t.name),new Zn.b(e,this._editor,{plugin:n})}return e}has(t){return this._plugins.has(t)}init(t,e=[]){const n=this,i=this._editor,o=new Set,r=[],s=h(t),a=h(e),c=function(t){const e=[];for(const n of t)u(n)||e.push(n);return e.length?e:null}(t);if(c){const t="plugincollection-plugin-not-found: Some plugins are not available and could not be loaded.";return console.error(Object(Zn.a)(t),{plugins:c}),Promise.reject(new Zn.b(t,this._editor,{plugins:c}))}return Promise.all(s.map(l)).then(()=>d(r,"init")).then(()=>d(r,"afterInit")).then(()=>r);function l(t){if(!a.includes(t)&&!n._plugins.has(t)&&!o.has(t))return function(t){return new Promise(s=>{o.add(t),t.requires&&t.requires.forEach(n=>{const o=u(n);if(e.includes(o))throw new Zn.b("plugincollection-required: Cannot load a plugin because one of its dependencies is listed inthe `removePlugins` option.",i,{plugin:o,requiredBy:t});l(o)});const a=new t(i);n._add(t,a),r.push(a),s()})}(t).catch(e=>{throw console.error(Object(Zn.a)("plugincollection-load: It was not possible to load the plugin."),{plugin:t}),e})}function d(t,e){return t.reduce((t,n)=>n[e]?t.then(n[e].bind(n)):t,Promise.resolve())}function u(t){return"function"==typeof t?t:n._availablePlugins.get(t)}function h(t){return t.map(t=>u(t)).filter(t=>!!t)}}destroy(){const t=Array.from(this).map(([,t])=>t).filter(t=>"function"==typeof t.destroy).map(t=>t.destroy());return Promise.all(t)}_add(t,e){this._plugins.set(t,e);const n=t.pluginName;if(n){if(this._plugins.has(n))throw new Zn.b("plugincollection-plugin-name-conflict: Two plugins with the same name were loaded.",null,{pluginName:n,plugin1:this._plugins.get(n).constructor,plugin2:t});this._plugins.set(n,e)}}}di(Ra,ii);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class Ia{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 Zn.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()}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function Oa(t,e){const n=Object.keys(window.CKEDITOR_TRANSLATIONS).length;return 1===n&&(t=Object.keys(window.CKEDITOR_TRANSLATIONS)[0]),0!==n&&function(t,e){return t in window.CKEDITOR_TRANSLATIONS&&e in window.CKEDITOR_TRANSLATIONS[t]}(t,e)?window.CKEDITOR_TRANSLATIONS[t][e].replace(/ \[context: [^\]]+\]$/,""):e.replace(/ \[context: [^\]]+\]$/,"")}window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={});
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
const Da=["ar","fa","he","ku","ug"];class Ma{constructor(t={}){this.uiLanguage=t.uiLanguage||"en",this.contentLanguage=t.contentLanguage||this.uiLanguage,this.uiLanguageDirection=Na(this.uiLanguage),this.contentLanguageDirection=Na(this.contentLanguage),this.t=(...t)=>this._t(...t)}get language(){return console.warn("locale-deprecated-language-property: The Locale#language property has been deprecated and will be removed in the near future. Please use #uiLanguage and #contentLanguage properties instead."),this.uiLanguage}_t(t,e){let n=Oa(this.uiLanguage,t);return e&&(n=n.replace(/%(\d+)/g,(t,n)=>n<e.length?e[n]:t)),n}}function Na(t){return Da.includes(t)?"rtl":"ltr"}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Va{constructor(){this._consumables=new Map}add(t,e){let n;t.is("text")||t.is("documentFragment")?this._consumables.set(t,!0):(this._consumables.has(t)?n=this._consumables.get(t):(n=new Fa,this._consumables.set(t,n)),n.add(e))}test(t,e){const n=this._consumables.get(t);return void 0===n?null:t.is("text")||t.is("documentFragment")?n:n.test(e)}consume(t,e){return!!this.test(t,e)&&(t.is("text")||t.is("documentFragment")?this._consumables.set(t,!1):this._consumables.get(t).consume(e),!0)}revert(t,e){const n=this._consumables.get(t);void 0!==n&&(t.is("text")||t.is("documentFragment")?this._consumables.set(t,!0):n.revert(e))}static consumablesFromElement(t){const e={name:!0,attributes:[],classes:[],styles:[]},n=t.getAttributeKeys();for(const t of n)"style"!=t&&"class"!=t&&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 Va),t.is("text"))return e.add(t),e;t.is("element")&&e.add(t,Va.consumablesFromElement(t)),t.is("documentFragment")&&e.add(t);for(const n of t.getChildren())e=Va.createFrom(n,e);return e}}class Fa{constructor(){this._canConsumeName=null,this._consumables={attributes:new Map,styles:new Map,classes:new Map}}add(t){t.name&&(this._canConsumeName=!0);for(const e in this._consumables)e in t&&this._add(e,t[e])}test(t){if(t.name&&!this._canConsumeName)return this._canConsumeName;for(const e in this._consumables)if(e in t){const n=this._test(e,t[e]);if(!0!==n)return n}return!0}consume(t){t.name&&(this._canConsumeName=!1);for(const e in this._consumables)e in t&&this._consume(e,t[e])}revert(t){t.name&&(this._canConsumeName=!0);for(const e in this._consumables)e in t&&this._revert(e,t[e])}_add(t,e){const n=Gt(e)?e:[e],i=this._consumables[t];for(const e of n){if("attributes"===t&&("class"===e||"style"===e))throw new Zn.b("viewconsumable-invalid-attribute: Classes and styles should be handled separately.",this);i.set(e,!0)}}_test(t,e){const n=Gt(e)?e:[e],i=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e){const t=i.get(e);if(void 0===t)return null;if(!t)return!1}else{const t="class"==e?"classes":"styles",n=this._test(t,[...this._consumables[t].keys()]);if(!0!==n)return n}return!0}_consume(t,e){const n=Gt(e)?e:[e],i=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e)i.set(e,!1);else{const t="class"==e?"classes":"styles";this._consume(t,[...this._consumables[t].keys()])}}_revert(t,e){const n=Gt(e)?e:[e],i=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e){!1===i.get(e)&&i.set(e,!0)}else{const t="class"==e?"classes":"styles";this._revert(t,[...this._consumables[t].keys()])}}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Ba{constructor(){this._sourceDefinitions={},this._attributeProperties={},this.decorate("checkChild"),this.decorate("checkAttribute"),this.on("checkAttribute",(t,e)=>{e[0]=new La(e[0])},{priority:"highest"}),this.on("checkChild",(t,e)=>{e[0]=new La(e[0]),e[1]=this.getDefinition(e[1])},{priority:"highest"})}register(t,e){if(this._sourceDefinitions[t])throw new Zn.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 Zn.b("schema-cannot-extend-missing-item: Cannot extend an item which was not registered yet.",this,{itemName:t});this._sourceDefinitions[t].push(Object.assign({},e)),this._clearCache()}getDefinitions(){return this._compiledDefinitions||this._compile(),this._compiledDefinitions}getDefinition(t){let e;return e="string"==typeof t?t:t.is&&(t.is("text")||t.is("textProxy"))?"$text":t.name,this.getDefinitions()[e]}isRegistered(t){return!!this.getDefinition(t)}isBlock(t){const e=this.getDefinition(t);return!(!e||!e.isBlock)}isLimit(t){const e=this.getDefinition(t);return!!e&&!(!e.isLimit&&!e.isObject)}isObject(t){const e=this.getDefinition(t);return!(!e||!e.isObject)}isInline(t){const e=this.getDefinition(t);return!(!e||!e.isInline)}checkChild(t,e){return!!e&&this._checkContextMatch(e,t)}checkAttribute(t,e){const n=this.getDefinition(t.last);return!!n&&n.allowAttributes.includes(e)}checkMerge(t,e=null){if(t instanceof Js){const e=t.nodeBefore,n=t.nodeAfter;if(!(e instanceof $s))throw new Zn.b("schema-check-merge-no-element-before: The node before the merge position must be an element.",this);if(!(n instanceof $s))throw new Zn.b("schema-check-merge-no-element-after: The node after the merge position must be an element.",this);return this.checkMerge(e,n)}for(const n of e.getChildren())if(!this.checkChild(t,n))return!1;return!0}addChildCheck(t){this.on("checkChild",(e,[n,i])=>{if(!i)return;const o=t(n,i);"boolean"==typeof o&&(e.stop(),e.return=o)},{priority:"high"})}addAttributeCheck(t){this.on("checkAttribute",(e,[n,i])=>{const o=t(n,i);"boolean"==typeof o&&(e.stop(),e.return=o)},{priority:"high"})}setAttributeProperties(t,e){this._attributeProperties[t]=Object.assign(this.getAttributeProperties(t),e)}getAttributeProperties(t){return this._attributeProperties[t]||{}}getLimitElement(t){let e;if(t instanceof Js)e=t.parent;else{e=(t instanceof Zs?[t]:Array.from(t.getRanges())).reduce((t,e)=>{const n=e.getCommonAncestor();return t?t.getCommonAncestor(n,{includeSelf:!0}):n},null)}for(;!this.isLimit(e)&&e.parent;)e=e.parent;return e}checkAttributeInSelection(t,e){if(t.isCollapsed){const n=[...t.getFirstPosition().getAncestors(),new js("",t.getAttributes())];return this.checkAttribute(n,e)}{const n=t.getRanges();for(const t of n)for(const n of t)if(this.checkAttribute(n.item,e))return!0}return!1}*getValidRanges(t,e){t=function*(t){for(const e of t)yield*e.getMinimalFlatRanges()}(t);for(const n of t)yield*this._getValidRangesForRange(n,e)}getNearestSelectionRange(t,e="both"){if(this.checkChild(t,"$text"))return new Zs(t);let n,i;"both"!=e&&"backward"!=e||(n=new Ws({startPosition:t,direction:"backward"})),"both"!=e&&"forward"!=e||(i=new Ws({startPosition:t}));for(const t of function*(t,e){let n=!1;for(;!n;){if(n=!0,t){const e=t.next();e.done||(n=!1,yield{walker:t,value:e.value})}if(e){const t=e.next();t.done||(n=!1,yield{walker:e,value:t.value})}}}(n,i)){const e=t.walker==n?"elementEnd":"elementStart",i=t.value;if(i.type==e&&this.isObject(i.item))return Zs._createOn(i.item);if(this.checkChild(i.nextPosition,"$text"))return new Zs(i.nextPosition)}return null}findAllowedParent(t,e){let n=t.parent;for(;n;){if(this.checkChild(n,e))return n;if(this.isLimit(n))return null;n=n.parent}return null}removeDisallowedAttributes(t,e){for(const n of t)if(n.is("text"))Za(this,n,e);else{const t=Zs._createIn(n).getPositions();for(const n of t){Za(this,n.nodeBefore||n.parent,e)}}}createContext(t){return new La(t)}_clearCache(){this._compiledDefinitions=null}_co
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Qa{constructor(t={}){this._splitParts=new Map,this._modelCursor=null,this.conversionApi=Object.assign({},t),this.conversionApi.convertItem=this._convertItem.bind(this),this.conversionApi.convertChildren=this._convertChildren.bind(this),this.conversionApi.splitToAllowedParent=this._splitToAllowedParent.bind(this),this.conversionApi.getSplitParts=this._getSplitParts.bind(this)}convert(t,e,n=["$root"]){this.fire("viewCleanup",t),this._modelCursor=function(t,e){let n;for(const i of new La(t)){const t={};for(const e of i.getAttributeKeys())t[e]=i.getAttribute(e);const o=e.createElement(i.name,t);n&&e.append(o,n),n=Js._createAt(o,0)}return n}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(n,e),this.conversionApi.writer=e,this.conversionApi.consumable=Va.createFrom(t),this.conversionApi.store={};const{modelRange:i}=this._convertItem(t,this._modelCursor),o=e.createDocumentFragment();if(i){this._removeEmptyElements();for(const t of Array.from(this._modelCursor.parent.getChildren()))e.append(t,o);o.markers=function(t,e){const n=new Set,i=new Map,o=Zs._createIn(t).getItems();for(const t of o)"$marker"==t.name&&n.add(t);for(const t of n){const n=t.getAttribute("data-name"),o=e.createPositionBefore(t);i.has(n)?i.get(n).end=o.clone():i.set(n,new Zs(o.clone())),e.remove(t)}return i}(o,e)}return this._modelCursor=null,this._splitParts.clear(),this.conversionApi.writer=null,this.conversionApi.store=null,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):t.is("text")?this.fire("text",n,this.conversionApi):this.fire("documentFragment",n,this.conversionApi),n.modelRange&&!(n.modelRange instanceof Zs))throw new Zn.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 Zs(e);let i=e;for(const e of Array.from(t.getChildren())){const t=this._convertItem(e,i);t.modelRange instanceof Zs&&(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),o=[];for(const t of i.range.getWalker())if("elementEnd"==t.type)o.push(t.item);else{const e=o.pop(),n=t.item;this._registerSplitPair(e,n)}return{position:i.position,cursorParent:i.range.end.parent}}_registerSplitPair(t,e){this._splitParts.has(t)||this._splitParts.set(t,[t]);const n=this._splitParts.get(t);this._splitParts.set(e,n),n.push(e)}_getSplitParts(t){let e;return e=this._splitParts.has(t)?this._splitParts.get(t):[t]}_removeEmptyElements(){let t=!1;for(const e of this._splitParts.keys())e.isEmpty&&(this.conversionApi.writer.remove(e),this._splitParts.delete(e),t=!0);t&&this._removeEmptyElements()}}di(Qa,ii);class Ya{constructor(t,e){this.model=t,this.processor=e,this.mapper=new Qs,this.downcastDispatcher=new ta({mapper:this.mapper}),this.downcastDispatcher.on("insert:$text",(t,e,n)=>{if(!n.consumable.consume(e.item,"insert"))return;const i=n.writer,o=n.mapper.toViewPosition(e.range.start),r=i.createText(e.item.data);i.insert(o,r)},{priority:"lowest"}),this.upcastDispatcher=new Qa({schema:t.schema}),this.upcastDispatcher.on("text",(t,e,n)=>{if(n.schema.checkChild(e.modelCursor,"$text")&&n.consumable.consume(e.viewItem)){const t=n.writer.createText(e.viewItem.data);n.writer.insert(t,e.modelCursor),e.modelRange=Zs._createFromPositionAndShift(e.modelCursor,t.offsetSize),e.modelCursor=e.modelRange.end}},{priority:"lowest"}),this.upcastDispatcher.on("element",(t,e,n)=>{if(!e.modelRange&&n.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:i}=n.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=i}},{priority:"lowest"}),this.upcastDispatcher.on("documentFragment",(t,e,n)=>{if(!e.modelRange&&n.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:i}=n.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=i}},{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 Zn.b("datacontroller-get-non-existent-root: Attempting to get data from a non-existing root.",this);const i=this.model.document.getRoot(e);return"empty"!==n||this.model.hasContent(i,{ignoreWhitespaces:!0})?this.stringify(i):""}stringify(t){const e=this.toView(t);return this.processor.toData(e)}toView(t){this.mapper.clearBindings();const e=Zs._createIn(t),n=new Po,i=new To(new ao);if(this.mapper.bindElements(t,
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(t);for(const[t,n]of e)this.downcastDispatcher.convertMarkerAdd(t,n,i)}return n}init(t){if(this.model.document.version)throw new Zn.b("datacontroller-init-document-not-empty: Trying to set initial data to not empty document.",this);let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new Zn.b("datacontroller-init-non-existent-root: Attempting to init data on a non-existing root.",this);return this.model.enqueueChange("transparent",t=>{for(const n of Object.keys(e)){const i=this.model.document.getRoot(n);t.insert(this.parse(e[n],i),i,0)}}),Promise.resolve()}set(t){let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new Zn.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))}destroy(){this.stopListening()}_checkIfRootsExists(t){for(const e of t)if(!this.model.document.getRootNames().includes(e))return!1;return!0}}di(Ya,Hi);class Xa{constructor(t,e){this._helpers=new Map,this._downcast=Array.isArray(t)?t:[t],this._createConversionHelpers({name:"downcast",dispatchers:this._downcast,isDowncast:!0}),this._upcast=Array.isArray(e)?e:[e],this._createConversionHelpers({name:"upcast",dispatchers:this._upcast,isDowncast:!1})}addAlias(t,e){const n=this._downcast.includes(e);if(!this._upcast.includes(e)&&!n)throw new Zn.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 Zn.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 tc(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 tc(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 tc(t))this.for("upcast").attributeToAttribute({view:n,model:e})}_createConversionHelpers({name:t,dispatchers:e,isDowncast:n}){if(this._helpers.has(t))throw new Zn.b("conversion-group-exists: Trying to register a group name that has already been registered.",this);const i=n?new wa(e):new Ca(e);this._helpers.set(t,i)}}function*tc(t){if(t.model.values)for(const e of t.model.values){const n={key:t.model.key,value:e},i=t.view[e],o=t.upcastAlso?t.upcastAlso[e]:void 0;yield*ec(n,i,o)}else yield*ec(t.model,t.view,t.upcastAlso)}function*ec(t,e,n){if(yield{model:t,view:e},n){n=Array.isArray(n)?n:[n];for(const e of n)yield{model:t,view:e}}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class nc{constructor(t="default"){this.operations=[],this.type=t}get baseVersion(){for(const t of this.operations)if(null!==t.baseVersion)return t.baseVersion;return null}addOperation(t){return t.batch=this,this.operations.push(t),t}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class ic{constructor(t){this.baseVersion=t,this.isDocumentOperation=null!==this.baseVersion,this.batch=null}_validate(){}toJSON(){const t=Object.assign({},this);return t.__className=this.constructor.className,delete t.batch,delete t.isDocumentOperation,t}static get className(){return"Operation"}static fromJSON(t){return new this(t.baseVersion)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class oc{constructor(t){this.markers=new Map,this._children=new Us,t&&this._insertChild(0,t)}[Symbol.iterator](){return this.getChildren()}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(t){return"documentFragment"==t||"model:documentFragment"==t}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}getPath(){return[]}getNodeByPath(t){let e=this;for(const n of t)e=e.getChild(e.offsetToIndex(n));return e}offsetToIndex(t){return this._children.offsetToIndex(t)}toJSON(){const t=[];for(const e of this._children)t.push(e.toJSON());return t}static fromJSON(t){const e=[];for(const n of t)n.name?e.push($s.fromJSON(n)):e.push(js.fromJSON(n));return new oc(e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=function(t){if("string"==typeof t)return[new js(t)];wi(t)||(t=[t]);return Array.from(t).map(t=>"string"==typeof t?new js(t):t instanceof Hs?new js(t.data,t.getAttributes()):t)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(e);for(const t of n)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n)t.parent=null;return n}}function rc(t,e){const n=(e=cc(e)).reduce((t,e)=>t+e.offsetSize,0),i=t.parent;dc(t);const o=t.index;return i._insertChild(o,e),lc(i,o+e.length),lc(i,o),new Zs(t,t.getShiftedBy(n))}function sc(t){if(!t.isFlat)throw new Zn.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;dc(t.start),dc(t.end);const n=e._removeChildren(t.start.index,t.end.index-t.start.index);return lc(e,t.start.index),n}function ac(t,e){if(!t.isFlat)throw new Zn.b("operation-utils-move-range-not-flat: Trying to move a range which starts and ends in different element.",this);const n=sc(t);return rc(e=e._getTransformedByDeletion(t.start,t.end.offset-t.start.offset),n)}function cc(t){const e=[];t instanceof Array||(t=[t]);for(let n=0;n<t.length;n++)if("string"==typeof t[n])e.push(new js(t[n]));else if(t[n]instanceof Hs)e.push(new js(t[n].data,t[n].getAttributes()));else if(t[n]instanceof oc||t[n]instanceof Us)for(const i of t[n])e.push(i);else t[n]instanceof qs&&e.push(t[n]);for(let t=1;t<e.length;t++){const n=e[t],i=e[t-1];n instanceof js&&i instanceof js&&uc(n,i)&&(e.splice(t-1,2,new js(i.data+n.data,i.getAttributes())),t--)}return e}function lc(t,e){const n=t.getChild(e-1),i=t.getChild(e);if(n&&i&&n.is("text")&&i.is("text")&&uc(n,i)){const o=new js(n.data+i.data,n.getAttributes());t._removeChildren(e-1,2),t._insertChild(e-1,o)}}function dc(t){const e=t.textNode,n=t.parent;if(e){const i=t.offset-e.startOffset,o=e.index;n._removeChildren(o,1);const r=new js(e.data.substr(0,i),e.getAttributes()),s=new js(e.data.substr(i),e.getAttributes());n._insertChild(o,[r,s])}}function uc(t,e){const n=t.getAttributes(),i=e.getAttributes();for(const t of n){if(t[1]!==e.getAttribute(t[0]))return!1;i.next()}return i.next().done}var hc=function(t,e){return Yr(t,e)};
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class fc extends ic{constructor(t,e,n,i,o){super(o),this.range=t.clone(),this.key=e,this.oldValue=void 0===n?null:n,this.newValue=void 0===i?null:i}get type(){return null===this.oldValue?"addAttribute":null===this.newValue?"removeAttribute":"changeAttribute"}clone(){return new fc(this.range,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new fc(this.range,this.key,this.newValue,this.oldValue,this.baseVersion+1)}toJSON(){const t=super.toJSON();return t.range=this.range.toJSON(),t}_validate(){if(!this.range.isFlat)throw new Zn.b("attribute-operation-range-not-flat: The range to change is not flat.",this);for(const t of this.range.getItems({shallow:!0})){if(null!==this.oldValue&&!hc(t.getAttribute(this.key),this.oldValue))throw new Zn.b("attribute-operation-wrong-old-value: Changed node has different attribute value than operation's old attribute value.",this,{item:t,key:this.key,value:this.oldValue});if(null===this.oldValue&&null!==this.newValue&&t.hasAttribute(this.key))throw new Zn.b("attribute-operation-attribute-exists: The attribute with given key already exists.",this,{node:t,key:this.key})}}_execute(){hc(this.oldValue,this.newValue)||function(t,e,n){dc(t.start),dc(t.end);for(const i of t.getItems({shallow:!0})){const t=i.is("textProxy")?i.textNode:i;null!==n?t._setAttribute(e,n):t._removeAttribute(e),lc(t.parent,t.index)}lc(t.end.parent,t.end.index)}(this.range,this.key,this.newValue)}static get className(){return"AttributeOperation"}static fromJSON(t,e){return new fc(Zs.fromJSON(t.range,e),t.key,t.oldValue,t.newValue,t.baseVersion)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class pc extends ic{constructor(t,e){super(null),this.sourcePosition=t.clone(),this.howMany=e}get type(){return"detach"}toJSON(){const t=super.toJSON();return t.sourcePosition=this.sourcePosition.toJSON(),t}_validate(){if(this.sourcePosition.root.document)throw new Zn.b("detach-operation-on-document-node: Cannot detach document node.",this)}_execute(){sc(Zs._createFromPositionAndShift(this.sourcePosition,this.howMany))}static get className(){return"DetachOperation"}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class mc extends ic{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(){return"$graveyard"==this.targetPosition.root.rootName?"remove":"$graveyard"==this.sourcePosition.root.rootName?"reinsert":"move"}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.baseVersion)}getMovedRangeStart(){return this.targetPosition._getTransformedByDeletion(this.sourcePosition,this.howMany)}getReversed(){const t=this.sourcePosition._getTransformedByInsertion(this.targetPosition,this.howMany);return new this.constructor(this.getMovedRangeStart(),this.howMany,t,this.baseVersion+1)}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent,n=this.sourcePosition.offset,i=this.targetPosition.offset;if(n+this.howMany>t.maxOffset)throw new Zn.b("move-operation-nodes-do-not-exist: The nodes which should be moved do not exist.",this);if(t===e&&n<i&&i<n+this.howMany)throw new Zn.b("move-operation-range-into-itself: Trying to move a range of nodes to the inside of that range.",this);if(this.sourcePosition.root==this.targetPosition.root&&"prefix"==ui(this.sourcePosition.getParentPath(),this.targetPosition.getParentPath())){const t=this.sourcePosition.path.length-1;if(this.targetPosition.path[t]>=n&&this.targetPosition.path[t]<n+this.howMany)throw new Zn.b("move-operation-node-into-itself: Trying to move a range of nodes into one of nodes from that range.",this)}}_execute(){ac(Zs._createFromPositionAndShift(this.sourcePosition,this.howMany),this.targetPosition)}toJSON(){const t=super.toJSON();return t.sourcePosition=this.sourcePosition.toJSON(),t.targetPosition=this.targetPosition.toJSON(),t}static get className(){return"MoveOperation"}static fromJSON(t,e){const n=Js.fromJSON(t.sourcePosition,e),i=Js.fromJSON(t.targetPosition,e);return new this(n,t.howMany,i,t.baseVersion)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class gc extends ic{constructor(t,e,n){super(n),this.position=t.clone(),this.position.stickiness="toNone",this.nodes=new Us(cc(e)),this.shouldReceiveAttributes=!1}get type(){return"insert"}get howMany(){return this.nodes.maxOffset}clone(){const t=new Us([...this.nodes].map(t=>t._clone(!0))),e=new gc(this.position,t,this.baseVersion);return e.shouldReceiveAttributes=this.shouldReceiveAttributes,e}getReversed(){const t=this.position.root.document.graveyard,e=new Js(t,[0]);return new mc(this.position,this.nodes.maxOffset,e,this.baseVersion+1)}_validate(){const t=this.position.parent;if(!t||t.maxOffset<this.position.offset)throw new Zn.b("insert-operation-position-invalid: Insertion position is invalid.",this)}_execute(){const t=this.nodes;this.nodes=new Us([...t].map(t=>t._clone(!0))),rc(this.position,t)}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t.nodes=this.nodes.toJSON(),t}static get className(){return"InsertOperation"}static fromJSON(t,e){const n=[];for(const e of t.nodes)e.name?n.push($s.fromJSON(e)):n.push(js.fromJSON(e));const i=new gc(Js.fromJSON(t.position,e),n,t.baseVersion);return i.shouldReceiveAttributes=t.shouldReceiveAttributes,i}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class bc extends ic{constructor(t,e,n,i,o,r){super(r),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 bc(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new bc(this.name,this.newRange,this.oldRange,this._markers,this.affectsData,this.baseVersion+1)}_execute(){const t=this.newRange?"_set":"_remove";this._markers[t](this.name,this.newRange,!0,this.affectsData)}toJSON(){const t=super.toJSON();return this.oldRange&&(t.oldRange=this.oldRange.toJSON()),this.newRange&&(t.newRange=this.newRange.toJSON()),delete t._markers,t}static get className(){return"MarkerOperation"}static fromJSON(t,e){return new bc(t.name,t.oldRange?Zs.fromJSON(t.oldRange,e):null,t.newRange?Zs.fromJSON(t.newRange,e):null,e.model.markers,t.affectsData,t.baseVersion)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class wc extends ic{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 wc(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new wc(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const t=this.position.nodeAfter;if(!(t instanceof $s))throw new Zn.b("rename-operation-wrong-position: Given position is invalid or node after it is not an instance of Element.",this);if(t.name!==this.oldName)throw new Zn.b("rename-operation-wrong-name: Element to change has different name than operation's old name.",this)}_execute(){this.position.nodeAfter.name=this.newName}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t}static get className(){return"RenameOperation"}static fromJSON(t,e){return new wc(Js.fromJSON(t.position,e),t.oldName,t.newName,t.baseVersion)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class kc extends ic{constructor(t,e,n,i,o){super(o),this.root=t,this.key=e,this.oldValue=n,this.newValue=i}get type(){return null===this.oldValue?"addRootAttribute":null===this.newValue?"removeRootAttribute":"changeRootAttribute"}clone(){return new kc(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new kc(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is("documentFragment"))throw new Zn.b("rootattribute-operation-not-a-root: The element to change is not a root element.",this,{root:this.root,key:this.key});if(null!==this.oldValue&&this.root.getAttribute(this.key)!==this.oldValue)throw new Zn.b("rootattribute-operation-wrong-old-value: Changed node has different attribute value than operation's old attribute value.",this,{root:this.root,key:this.key});if(null===this.oldValue&&null!==this.newValue&&this.root.hasAttribute(this.key))throw new Zn.b("rootattribute-operation-attribute-exists: The attribute with given key already exists.",this,{root:this.root,key:this.key})}_execute(){null!==this.newValue?this.root._setAttribute(this.key,this.newValue):this.root._removeAttribute(this.key)}toJSON(){const t=super.toJSON();return t.root=this.root.toJSON(),t}static get className(){return"RootAttributeOperation"}static fromJSON(t,e){if(!e.getRoot(t.root))throw new Zn.b("rootattribute-operation-fromjson-no-root: Cannot create RootAttributeOperation. Root with specified name does not exist.",this,{rootName:t.root});return new kc(e.getRoot(t.root),t.key,t.oldValue,t.newValue,t.baseVersion)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class _c extends ic{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 Js(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const t=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Zs(this.sourcePosition,t)}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const t=this.targetPosition._getTransformedByMergeOperation(this),e=this.sourcePosition.path.slice(0,-1),n=new Js(this.sourcePosition.root,e)._getTransformedByMergeOperation(this),i=new vc(t,this.howMany,this.graveyardPosition,this.baseVersion+1);return i.insertionPosition=n,i}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent;if(!t.parent)throw new Zn.b("merge-operation-source-position-invalid: Merge source position is invalid.",this);if(!e.parent)throw new Zn.b("merge-operation-target-position-invalid: Merge target position is invalid.",this);if(this.howMany!=t.maxOffset)throw new Zn.b("merge-operation-how-many-invalid: Merge operation specifies wrong number of nodes to move.",this)}_execute(){const t=this.sourcePosition.parent;ac(Zs._createIn(t),this.targetPosition),ac(Zs._createOn(t),this.graveyardPosition)}toJSON(){const t=super.toJSON();return t.sourcePosition=t.sourcePosition.toJSON(),t.targetPosition=t.targetPosition.toJSON(),t.graveyardPosition=t.graveyardPosition.toJSON(),t}static get className(){return"MergeOperation"}static fromJSON(t,e){const n=Js.fromJSON(t.sourcePosition,e),i=Js.fromJSON(t.targetPosition,e),o=Js.fromJSON(t.graveyardPosition,e);return new this(n,t.howMany,i,o,t.baseVersion)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class vc extends ic{constructor(t,e,n,i){super(i),this.splitPosition=t.clone(),this.splitPosition.stickiness="toNext",this.howMany=e,this.insertionPosition=vc.getInsertionPosition(t),this.insertionPosition.stickiness="toNone",this.graveyardPosition=n?n.clone():null,this.graveyardPosition&&(this.graveyardPosition.stickiness="toNext")}get type(){return"split"}get moveTargetPosition(){const t=this.insertionPosition.path.slice();return t.push(0),new Js(this.insertionPosition.root,t)}get movedRange(){const t=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Zs(this.splitPosition,t)}clone(){const t=new this.constructor(this.splitPosition,this.howMany,this.graveyardPosition,this.baseVersion);return t.insertionPosition=this.insertionPosition,t}getReversed(){const t=this.splitPosition.root.document.graveyard,e=new Js(t,[0]);return new _c(this.moveTargetPosition,this.howMany,this.splitPosition,e,this.baseVersion+1)}_validate(){const t=this.splitPosition.parent,e=this.splitPosition.offset;if(!t||t.maxOffset<e)throw new Zn.b("split-operation-position-invalid: Split position is invalid.",this);if(!t.parent)throw new Zn.b("split-operation-split-in-root: Cannot split root element.",this);if(this.howMany!=t.maxOffset-this.splitPosition.offset)throw new Zn.b("split-operation-how-many-invalid: Split operation specifies wrong number of nodes to move.",this);if(this.graveyardPosition&&!this.graveyardPosition.nodeAfter)throw new Zn.b("split-operation-graveyard-position-invalid: Graveyard position invalid.",this)}_execute(){const t=this.splitPosition.parent;if(this.graveyardPosition)ac(Zs._createFromPositionAndShift(this.graveyardPosition,1),this.insertionPosition);else{const e=t._clone();rc(this.insertionPosition,e)}ac(new Zs(Js._createAt(t,this.splitPosition.offset),Js._createAt(t,t.maxOffset)),this.moveTargetPosition)}toJSON(){const t=super.toJSON();return t.splitPosition=this.splitPosition.toJSON(),t.insertionPosition=this.insertionPosition.toJSON(),this.graveyardPosition&&(t.graveyardPosition=this.graveyardPosition.toJSON()),t}static get className(){return"SplitOperation"}static getInsertionPosition(t){const e=t.path.slice(0,-1);return e[e.length-1]++,new Js(t.root,e)}static fromJSON(t,e){const n=Js.fromJSON(t.splitPosition,e),i=Js.fromJSON(t.insertionPosition,e),o=t.graveyardPosition?Js.fromJSON(t.graveyardPosition,e):null,r=new this(n,t.howMany,o,t.baseVersion);return r.insertionPosition=i,r}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class yc extends $s{constructor(t,e,n="main"){super(e),this._doc=t,this.rootName=n}get document(){return this._doc}is(t,e){const n=t.replace("model:","");return e?"rootElement"==n&&e==this.name||super.is(t,e):"rootElement"==n||super.is(t)}toJSON(){return this.rootName}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class xc{constructor(t,e){this.model=t,this.batch=e}createText(t,e){return new js(t,e)}createElement(t,e){return new $s(t,e)}createDocumentFragment(){return new oc}insert(t,e,n=0){if(this._assertWriterUsedCorrectly(),t instanceof js&&""==t.data)return;const i=Js._createAt(e,n);if(t.parent){if(Ec(t.root,i.root))return void this.move(Zs._createOn(t),i);if(t.root.document)throw new Zn.b("model-writer-insert-forbidden-move: Cannot move a node from a document to a different tree. It is forbidden to move a node that was already in a document outside of it.",this);this.remove(t)}const o=i.root.document?i.root.document.version:null,r=new gc(i,t,o);if(t instanceof js&&(r.shouldReceiveAttributes=!0),this.batch.addOperation(r),this.model.applyOperation(r),t instanceof oc)for(const[e,n]of t.markers){const t=Js._createAt(n.root,0),o={range:new Zs(n.start._getCombined(t,i),n.end._getCombined(t,i)),usingOperation:!0,affectsData:!0};this.model.markers.has(e)?this.updateMarker(e,o):this.addMarker(e,o)}}insertText(t,e,n,i){e instanceof oc||e instanceof $s||e instanceof Js?this.insert(this.createText(t),e,n):this.insert(this.createText(t,e),n,i)}insertElement(t,e,n,i){e instanceof oc||e instanceof $s||e instanceof Js?this.insert(this.createElement(t),e,n):this.insert(this.createElement(t,e),n,i)}append(t,e){this.insert(t,e,"end")}appendText(t,e,n){e instanceof oc||e instanceof $s?this.insert(this.createText(t),e,"end"):this.insert(this.createText(t,e),n,"end")}appendElement(t,e,n){e instanceof oc||e instanceof $s?this.insert(this.createElement(t),e,"end"):this.insert(this.createElement(t,e),n,"end")}setAttribute(t,e,n){if(this._assertWriterUsedCorrectly(),n instanceof Zs){const i=n.getMinimalFlatRanges();for(const n of i)Cc(this,t,e,n)}else Ac(this,t,e,n)}setAttributes(t,e){for(const[n,i]of zs(t))this.setAttribute(n,i,e)}removeAttribute(t,e){if(this._assertWriterUsedCorrectly(),e instanceof Zs){const n=e.getMinimalFlatRanges();for(const e of n)Cc(this,t,null,e)}else Ac(this,t,null,e)}clearAttributes(t){this._assertWriterUsedCorrectly();const e=t=>{for(const e of t.getAttributeKeys())this.removeAttribute(e,t)};if(t instanceof Zs)for(const n of t.getItems())e(n);else e(t)}move(t,e,n){if(this._assertWriterUsedCorrectly(),!(t instanceof Zs))throw new Zn.b("writer-move-invalid-range: Invalid range to move.",this);if(!t.isFlat)throw new Zn.b("writer-move-range-not-flat: Range to move is not flat.",this);const i=Js._createAt(e,n);if(i.isEqual(t.start))return;if(this._addOperationForAffectedMarkers("move",t),!Ec(t.root,i.root))throw new Zn.b("writer-move-different-document: Range is going to be moved between different documents.",this);const o=t.root.document?t.root.document.version:null,r=new mc(t.start,t.end.offset-t.start.offset,i,o);this.batch.addOperation(r),this.model.applyOperation(r)}remove(t){this._assertWriterUsedCorrectly();const e=(t instanceof Zs?t:Zs._createOn(t)).getMinimalFlatRanges().reverse();for(const t of e)this._addOperationForAffectedMarkers("move",t),Tc(t.start,t.end.offset-t.start.offset,this.batch,this.model)}merge(t){this._assertWriterUsedCorrectly();const e=t.nodeBefore,n=t.nodeAfter;if(this._addOperationForAffectedMarkers("merge",t),!(e instanceof $s))throw new Zn.b("writer-merge-no-element-before: Node before merge position must be an element.",this);if(!(n instanceof $s))throw new Zn.b("writer-merge-no-element-after: Node after merge position must be an element.",this);t.root.document?this._merge(t):this._mergeDetached(t)}createPositionFromPath(t,e,n){return this.model.createPositionFromPath(t,e,n)}createPositionAt(t,e){return this.model.createPositionAt(t,e)}createPositionAfter(t){return this.model.createPositionAfter(t)}createPositionBefore(t){return this.model.createPositionBefore(t)}createRange(t,e){return this.model.createRange(t,e)}createRangeIn(t){return this.model.createRangeIn(t)}createRangeOn(t){return this.model.createRangeOn(t)}createSelection(t,e,n){return this.model.createSelection(t,e,n)}_mergeDetached(t){const e=t.nodeBefore,n=t.nodeAfter;this.move(Zs._createIn(n),Js._createAt(e,"end")),this.remove
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Sc{constructor(t){this._markerCollection=t,this._changesInElement=new Map,this._elementSnapshots=new Map,this._changedMarkers=new Map,this._changeCount=0,this._cachedChanges=null,this._cachedChangesWithGraveyard=null}get isEmpty(){return 0==this._changesInElement.size&&0==this._changedMarkers.size}refreshItem(t){if(this._isInInsertedElement(t.parent))return;this._markRemove(t.parent,t.startOffset,t.offsetSize),this._markInsert(t.parent,t.startOffset,t.offsetSize);const e=Zs._createOn(t);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getRange();this.bufferMarkerChange(t.name,e,e,t.affectsData)}this._cachedChanges=null}bufferOperation(t){switch(t.type){case"insert":if(this._isInInsertedElement(t.position.parent))return;this._markInsert(t.position.parent,t.position.offset,t.nodes.maxOffset);break;case"addAttribute":case"removeAttribute":case"changeAttribute":for(const e of t.range.getItems({shallow:!0}))this._isInInsertedElement(e.parent)||this._markAttribute(e);break;case"remove":case"move":case"reinsert":{if(t.sourcePosition.isEqual(t.targetPosition)||t.sourcePosition.getShiftedBy(t.howMany).isEqual(t.targetPosition))return;const e=this._isInInsertedElement(t.sourcePosition.parent),n=this._isInInsertedElement(t.targetPosition.parent);e||this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany),n||this._markInsert(t.targetPosition.parent,t.getMovedRangeStart().offset,t.howMany);break}case"rename":{if(this._isInInsertedElement(t.position.parent))return;this._markRemove(t.position.parent,t.position.offset,1),this._markInsert(t.position.parent,t.position.offset,1);const e=Zs._createFromPositionAndShift(t.position,1);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getRange();this.bufferMarkerChange(t.name,e,e,t.affectsData)}break}case"split":{const e=t.splitPosition.parent;this._isInInsertedElement(e)||this._markRemove(e,t.splitPosition.offset,t.howMany),this._isInInsertedElement(t.insertionPosition.parent)||this._markInsert(t.insertionPosition.parent,t.insertionPosition.offset,1),t.graveyardPosition&&this._markRemove(t.graveyardPosition.parent,t.graveyardPosition.offset,1);break}case"merge":{const e=t.sourcePosition.parent;this._isInInsertedElement(e.parent)||this._markRemove(e.parent,e.startOffset,1);const n=t.graveyardPosition.parent;this._markInsert(n,t.graveyardPosition.offset,1);const i=t.targetPosition.parent;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);o?(o.newRange=n,o.affectsData=i,null==o.oldRange&&null==o.newRange&&this._changedMarkers.delete(t)):this._changedMarkers.set(t,{oldRange:e,newRange:n,affectsData:i})}getMarkersToRemove(){const t=[];for(const[e,n]of this._changedMarkers)null!=n.oldRange&&t.push({name:e,range:n.oldRange});return t}getMarkersToAdd(){const t=[];for(const[e,n]of this._changedMarkers)null!=n.newRange&&t.push({name:e,range:n.newRange});return t}getChangedMarkers(){return Array.from(this._changedMarkers).map(t=>({name:t[0],data:{oldRange:t[1].oldRange,newRange:t[1].newRange}}))}hasDataChanges(){for(const[,t]of this._changedMarkers)if(t.affectsData)return!0;return this._changesInElement.size>0}getChanges(t={includeChangesInGraveyard:!1}){if(this._cachedChanges)return t.includeChangesInGraveyard?this._cachedChangesWithGraveyard.slice():this._cachedChanges.slice();const e=[];for(const t of this._changesInElement.keys()){const n=this._changesInElement.get(t).sort((t,e)=>t.offset===e.offset?t.type!=e.type?"remove"==t.type?-1:1:0:t.offset<e.offset?-1:1),i=this._elementSnapshots.get(t),o=Rc(t.getChildren()),r=Ic(i.length,n);let s=0,a=0;for(const n of r)if("i"===n)e.push(this._getInsertDiff(t,s,o[s].name)),s++;else if("r"===n)e.push(this._getRemoveDiff(t,s,i[a].name)),a++;else if("a"===n){const n=o[s].attributes,r=i[a].attributes;let c;if("$text"==o[s].name)c=new Zs(Js._createAt(t,s),Js._createAt(t,s+1));else{const e=t.offsetToIndex(s);c=new Zs(Js._createAt(t,s),Js._createAt(t.
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Dc{constructor(){this._operations=[],this._undoPairs=new Map,this._undoneOperations=new Set}addOperation(t){this._operations.includes(t)||this._operations.push(t)}getOperations(t=0,e=Number.POSITIVE_INFINITY){return t<0?[]:this._operations.slice(t,e)}getOperation(t){return this._operations[t]}setOperationAsUndone(t,e){this._undoPairs.set(e,t),this._undoneOperations.add(t)}isUndoingOperation(t){return this._undoPairs.has(t)}isUndoneOperation(t){return this._undoneOperations.has(t)}getUndoneOperation(t){return this._undoPairs.get(t)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function Mc(t,e){return!!(n=t.charAt(e-1))&&1==n.length&&/[\ud800-\udbff]/.test(n)&&function(t){return!!t&&1==t.length&&/[\udc00-\udfff]/.test(t)}(t.charAt(e));var n}function Nc(t,e){return!!(n=t.charAt(e))&&1==n.length&&/[\u0300-\u036f\u1ab0-\u1aff\u1dc0-\u1dff\u20d0-\u20ff\ufe20-\ufe2f]/.test(n);var n}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/const Vc="$graveyard";class Fc{constructor(t){this.model=t,this.version=0,this.history=new Dc(this),this.selection=new ua(this),this.roots=new so({idProperty:"rootName"}),this.differ=new Sc(t.markers),this._postFixers=new Set,this._hasSelectionChangedFromTheLastChangeBlock=!1,this.createRoot("$root",Vc),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];if(n.isDocumentOperation&&n.baseVersion!==this.version)throw new Zn.b("model-document-applyOperation-wrong-version: Only operations with matching versions can be applied.",this,{operation:n})},{priority:"highest"}),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&this.differ.bufferOperation(n)},{priority:"high"}),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&(this.version++,this.history.addOperation(n))},{priority:"low"}),this.listenTo(this.selection,"change",()=>{this._hasSelectionChangedFromTheLastChangeBlock=!0}),this.listenTo(t.markers,"update",(t,e,n,i)=>{this.differ.bufferMarkerChange(e.name,n,i,e.affectsData),null===n&&e.on("change",(t,n)=>{this.differ.bufferMarkerChange(e.name,n,e.getRange(),e.affectsData)})})}get graveyard(){return this.getRoot(Vc)}createRoot(t="$root",e="main"){if(this.roots.get(e))throw new Zn.b("model-document-createRoot-name-exists: Root with specified name already exists.",this,{name:e});const n=new yc(this,t,e);return this.roots.add(n),n}destroy(){this.selection.destroy(),this.stopListening()}getRoot(t="main"){return this.roots.get(t)}getRootNames(){return Array.from(this.roots,t=>t.rootName).filter(t=>t!=Vc)}registerPostFixer(t){this._postFixers.add(t)}toJSON(){const t=fi(this);return t.selection="[engine.model.DocumentSelection]",t.model="[engine.model.Model]",t}_handleChangeBlock(t){this._hasDocumentChangedFromTheLastChangeBlock()&&(this._callPostFixers(t),this.selection.refresh(),this.differ.hasDataChanges()?this.fire("change:data",t.batch):this.fire("change",t.batch),this.selection.refresh(),this.differ.reset()),this._hasSelectionChangedFromTheLastChangeBlock=!1}_hasDocumentChangedFromTheLastChangeBlock(){return!this.differ.isEmpty||this._hasSelectionChangedFromTheLastChangeBlock}_getDefaultRoot(){for(const t of this.roots)if(t!==this.graveyard)return t;return this.graveyard}_getDefaultRange(){const t=this._getDefaultRoot(),e=this.model,n=e.schema,i=e.createPositionFromPath(t,[0]);return n.getNearestSelectionRange(i)||e.createRange(i)}_validateSelectionRange(t){return Bc(t.start)&&Bc(t.end)}_callPostFixers(t){let e=!1;do{for(const n of this._postFixers)if(this.selection.refresh(),e=n(t))break}while(e)}}function Bc(t){const e=t.textNode;if(e){const n=e.data,i=t.offset-e.startOffset;return!Mc(n,i)&&!Nc(n,i)}return!0}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/di(Fc,ii);class Lc{constructor(){this._markers=new Map}[Symbol.iterator](){return this._markers.values()}has(t){return this._markers.has(t)}get(t){return this._markers.get(t)||null}_set(t,e,n=!1,i=!1){const o=t instanceof zc?t.name:t,r=this._markers.get(o);if(r){const t=r.getRange();let s=!1;return t.isEqual(e)||(r._attachLiveRange(aa.fromRange(e)),s=!0),n!=r.managedUsingOperations&&(r._managedUsingOperations=n,s=!0),"boolean"==typeof i&&i!=r.affectsData&&(r._affectsData=i,s=!0),s&&this.fire("update:"+o,r,t,e),r}const s=aa.fromRange(e),a=new zc(o,s,n,i);return this._markers.set(o,a),this.fire("update:"+o,a,null,e),a}_remove(t){const e=t instanceof zc?t.name:t,n=this._markers.get(e);return!!n&&(this._markers.delete(e),this.fire("update:"+e,n,n.getRange(),null),this._destroyMarker(n),!0)}_refresh(t){const e=t instanceof zc?t.name:t,n=this._markers.get(e);if(!n)throw new Zn.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)e.getRange().containsPosition(t)&&(yield e)}*getMarkersIntersectingRange(t){for(const e of this)null!==e.getRange().getIntersection(t)&&(yield e)}destroy(){for(const t of this._markers.values())this._destroyMarker(t);this._markers=null,this.stopListening()}*getMarkersGroup(t){for(const e of this._markers.values())e.name.startsWith(t+":")&&(yield e)}_destroyMarker(t){t.stopListening(),t._detachLiveRange()}}di(Lc,ii);class zc{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 Zn.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new Zn.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._affectsData}getStart(){if(!this._liveRange)throw new Zn.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new Zn.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new Zn.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.toRange()}is(t){return"marker"==t||"model:marker"==t}_attachLiveRange(t){return this._liveRange&&this._detachLiveRange(),t.delegate("change:range").to(this),t.delegate("change:content").to(this),this._liveRange=t,t}_detachLiveRange(){this._liveRange.stopDelegating("change:range",this),this._liveRange.stopDelegating("change:content",this),this._liveRange.detach(),this._liveRange=null}}di(zc,ii);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class qc extends Js{constructor(t,e,n="toNone"){if(super(t,e,n),!this.root.is("rootElement"))throw new Zn.b("model-liveposition-root-not-rootelement: LivePosition's root has to be an instance of RootElement.",t);jc.call(this)}detach(){this.stopListening()}is(t){return"livePosition"==t||"model:livePosition"==t||super.is(t)}toPosition(){return new Js(this.root,this.path.slice(),this.stickiness)}static fromPosition(t,e){return new this(t.root,t.path.slice(),e||t.stickiness)}}function jc(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&Hc.call(this,n)},{priority:"low"})}function Hc(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)}}di(qc,ii);class Uc{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:0===n&&e.isFirst,isLast:n===t.length-1&&e.isLast})}this.schema.removeDisallowedAttributes(this._filterAttributesOf,this.writer),this._filterAttributesOf=[]}getSelectionRange(){return this.nodeToSelect?Zs._createOn(this.nodeToSelect):this.model.schema.getNearestSelectionRange(this.position)}getAffectedRange(){return this._affectedStart?new Zs(this._affectedStart,this._affectedEnd):null}destroy(){this._affectedStart&&this._affectedStart.detach(),this._affectedEnd&&this._affectedEnd.detach()}_handleNode(t,e){if(this.schema.isObject(t))return void this._handleObject(t,e);this._checkAndSplitToAllowedPosition(t,e)?(this._insert(t),this._mergeSiblingsOf(t,e)):this._handleDisallowedNode(t,e)}_handleObject(t,e){this._checkAndSplitToAllowedPosition(t)?this._insert(t):this._tryAutoparagraphing(t,e)}_handleDisallowedNode(t,e){t.is("element")?this.handleNodes(t.getChildren(),e):this._tryAutoparagraphing(t,e)}_insert(t){if(!this.schema.checkChild(this.position,t))throw new Zn.b("insertcontent-wrong-position: Given node cannot be inserted on the given position.",this,{node:t,position:this.position});const e=qc.fromPosition(this.position,"toNext");this._setAffectedBoundaries(this.position),this.writer.insert(t,this.position),this.position=e.toPosition(),e.detach(),this.schema.isObject(t)&&!this.schema.checkChild(this.position,"$text")?this.nodeToSelect=t:this.nodeToSelect=null,this._filterAttributesOf.push(t)}_setAffectedBoundaries(t){this._affectedStart||(this._affectedStart=qc.fromPosition(t,"toPrevious")),this._affectedEnd&&!this._affectedEnd.isBefore(t)||(this._affectedEnd&&this._affectedEnd.detach(),this._affectedEnd=qc.fromPosition(t,"toNext"))}_mergeSiblingsOf(t,e){if(!(t instanceof $s))return;const n=this._canMergeLeft(t,e),i=this._canMergeRight(t,e),o=qc._createBefore(t);o.stickiness="toNext";const r=qc._createAfter(t);if(r.stickiness="toNext",n){const t=qc.fromPosition(this.position);t.stickiness="toNext",this._affectedStart.isEqual(o)&&(this._affectedStart.detach(),this._affectedStart=qc._createAt(o.nodeBefore,"end","toPrevious")),this.writer.merge(o),o.isEqual(this._affectedEnd)&&e.isLast&&(this._affectedEnd.detach(),this._affectedEnd=qc._createAt(o.nodeBefore,"end","toNext")),this.position=t.toPosition(),t.detach()}if(i){if(!this.position.isEqual(r))throw new Zn.b("insertcontent-invalid-insertion-position",this);this.position=Js._createAt(r.nodeBefore,"end");const t=qc.fromPosition(this.position,"toPrevious");this._affectedEnd.isEqual(r)&&(this._affectedEnd.detach(),this._affectedEnd=qc._createAt(r.nodeBefore,"end","toNext")),this.writer.merge(r),r.getShiftedBy(-1).isEqual(this._affectedStart)&&e.isFirst&&(this._affectedStart.detach(),this._affectedStart=qc._createAt(r.nodeBefore,0,"toPrevious")),this.position=t.toPosition(),t.detach()}(n||i)&&this._filterAttributesOf.push(this.position.parent),o.detach(),r.detach()}_canMergeLeft(t,e){const n=t.previousSibling;return e.isFirst&&n instanceof $s&&this.canMergeWith.has(n)&&this.mo
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function $c(t,e,n={}){if(e.isCollapsed)return;const i=e.getFirstRange();if("$graveyard"==i.root.rootName)return;const o=t.schema;t.change(t=>{if(!n.doNotResetEntireContent&&function(t,e){const n=t.getLimitElement(e);if(!e.containsEntireContent(n))return!1;const i=e.getFirstRange();if(i.start.parent==i.end.parent)return!1;return t.checkChild(n,"paragraph")}(o,e))return void function(t,e){const n=t.model.schema.getLimitElement(e);t.remove(t.createRangeIn(n)),Wc(t,t.createPositionAt(n,0),e)}(t,e);const r=i.start,s=qc.fromPosition(i.end,"toNext");if(i.start.isTouching(i.end)||t.remove(i),n.leaveUnmerged||(!function t(e,n,i){const o=n.parent;const r=i.parent;if(o==r)return;if(e.model.schema.isLimit(o)||e.model.schema.isLimit(r))return;if(!function(t,e,n){const i=new Zs(t,e);for(const t of i.getWalker())if(n.isLimit(t.item))return!1;return!0}(n,i,e.model.schema))return;n=e.createPositionAfter(o);i=e.createPositionBefore(r);i.isEqual(n)||e.insert(r,n);e.merge(n);for(;i.parent.isEmpty;){const t=i.parent;i=e.createPositionBefore(t),e.remove(t)}t(e,n,i)}(t,r,s),o.removeDisallowedAttributes(r.parent.getChildren(),t)),Gc(t,e,r),function(t,e){const n=t.checkChild(e,"$text"),i=t.checkChild(e,"paragraph");return!n&&i}(o,r)){const i=o.getNearestSelectionRange(r);n.doNotAutoparagraph&&i?Gc(t,e,i):Wc(t,r,e)}s.detach()})}function Wc(t,e,n){const i=t.createElement("paragraph");t.insert(i,e),Gc(t,n,t.createPositionAt(i,0))}function Gc(t,e,n){e instanceof ua?t.setSelection(n):e.setTo(n)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/const Kc=' ,.?!:;"-()';function Jc(t,e){if("text"==e.type)return"word"===t.unit?function(t,e){let n=t.position.textNode;if(n){let i=t.position.offset-n.startOffset;for(;!Qc(n.data,i,e)&&!Yc(n,i,e);){t.next();const o=e?t.position.nodeAfter:t.position.nodeBefore;if(o&&o.is("text")){const i=o.data.charAt(e?0:o.data.length-1);Kc.includes(i)||(t.next(),n=t.position.textNode)}i=t.position.offset-n.startOffset}}return t.position}(t.walker,t.isForward):function(t,e){const n=t.position.textNode;if(n){const i=n.data;let o=t.position.offset-n.startOffset;for(;Mc(i,o)||"character"==e&&Nc(i,o);)t.next(),o=t.position.offset-n.startOffset}return t.position}(t.walker,t.unit,t.isForward);if(e.type==(t.isForward?"elementStart":"elementEnd")){if(t.schema.isObject(e.item))return Js._createAt(e.item,t.isForward?"after":"before");if(t.schema.checkChild(e.nextPosition,"$text"))return e.nextPosition}else{if(t.schema.isLimit(e.item))return void t.walker.skip(()=>!0);if(t.schema.checkChild(e.nextPosition,"$text"))return e.nextPosition}}function Zc(t,e){const n=t.root,i=Js._createAt(n,e?"end":0);return e?new Zs(t,i):new Zs(i,t)}function Qc(t,e,n){const i=e+(n?0:-1);return Kc.includes(t.charAt(i))}function Yc(t,e,n){return e===(n?t.endOffset:0)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function Xc(t,e){const n=[];Array.from(t.getItems({direction:"backward"})).map(t=>e.createRangeOn(t)).filter(e=>{return(e.start.isAfter(t.start)||e.start.isEqual(t.start))&&(e.end.isBefore(t.end)||e.end.isEqual(t.end))}).forEach(t=>{n.push(t.start.parent),e.remove(t)}),n.forEach(t=>{let n=t;for(;n.parent&&n.isEmpty;){const t=e.createRangeOn(n);n=n.parent,e.remove(t)}})}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function tl(t){t.document.registerPostFixer(e=>(function(t,e){const n=e.document.selection,i=e.schema,o=[];let r=!1;for(const t of n.getRanges()){const e=el(t,i);e?(o.push(e),r=!0):o.push(t)}if(r){let e=o;if(o.length>1){const t=o[0].start,n=o[o.length-1].end;e=[new Zs(t,n)]}t.setSelection(e,{backward:n.isBackward})}})(e,t))}function el(t,e){return t.isCollapsed?function(t,e){const n=t.start,i=e.getNearestSelectionRange(n);if(!i)return null;const o=i.start;if(n.isEqual(o))return null;if(o.nodeAfter&&e.isLimit(o.nodeAfter))return new Zs(o,Js._createAfter(o.nodeAfter));return new Zs(o)}(t,e):function(t,e){const n=t.start,i=t.end,o=e.checkChild(n,"$text"),r=e.checkChild(i,"$text"),s=e.getLimitElement(n),a=e.getLimitElement(i);if(s===a){if(o&&r)return null;if(function(t,e,n){const i=t.nodeAfter&&!n.isLimit(t.nodeAfter)||n.checkChild(t,"$text"),o=e.nodeBefore&&!n.isLimit(e.nodeBefore)||n.checkChild(e,"$text");return i||o}(n,i,e)){const t=n.nodeAfter&&e.isObject(n.nodeAfter)?null:e.getNearestSelectionRange(n,"forward"),o=i.nodeBefore&&e.isObject(i.nodeBefore)?null:e.getNearestSelectionRange(i,"backward"),r=t?t.start:n,s=o?o.start:i;return new Zs(r,s)}}const c=s&&!s.is("rootElement"),l=a&&!a.is("rootElement");if(c||l){const t=n.nodeAfter&&i.nodeBefore&&n.nodeAfter.parent===i.nodeBefore.parent,o=c&&(!t||!il(n.nodeAfter,e)),r=l&&(!t||!il(i.nodeBefore,e));let d=n,u=i;return o&&(d=Js._createBefore(nl(s,e))),r&&(u=Js._createAfter(nl(a,e))),new Zs(d,u)}return null}(t,e)}function nl(t,e){let n=t,i=n;for(;e.isLimit(i)&&i.parent;)n=i,i=i.parent;return n}function il(t,e){return t&&e.isObject(t)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class ol{constructor(){this.markers=new Lc,this.document=new Fc(this),this.schema=new Ba,this._pendingChanges=[],this._currentWriter=null,["insertContent","deleteContent","modifySelection","getSelectedContent","applyOperation"].forEach(t=>this.decorate(t)),this.on("applyOperation",(t,e)=>{e[0]._validate()},{priority:"highest"}),this.schema.register("$root",{isLimit:!0}),this.schema.register("$block",{allowIn:"$root",isBlock:!0}),this.schema.register("$text",{allowIn:"$block",isInline:!0}),this.schema.register("$clipboardHolder",{allowContentOf:"$root",isLimit:!0}),this.schema.extend("$text",{allowIn:"$clipboardHolder"}),this.schema.register("$marker"),this.schema.addChildCheck((t,e)=>{if("$marker"===e.name)return!0}),tl(this)}change(t){try{return 0===this._pendingChanges.length?(this._pendingChanges.push({batch:new nc,callback:t}),this._runPendingChanges()[0]):t(this._currentWriter)}catch(t){Zn.b.rethrowUnexpectedError(t,this)}}enqueueChange(t,e){try{"string"==typeof t?t=new nc(t):"function"==typeof t&&(e=t,t=new nc),this._pendingChanges.push({batch:t,callback:e}),1==this._pendingChanges.length&&this._runPendingChanges()}catch(t){Zn.b.rethrowUnexpectedError(t,this)}}applyOperation(t){t._execute()}insertContent(t,e,n){
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
return function(t,e,n,i){return t.change(o=>{let r;const s=(r=n?n instanceof na||n instanceof ua?n:o.createSelection(n,i):t.document.selection).getFirstPosition();r.isCollapsed||t.deleteContent(r,{doNotAutoparagraph:!0});const a=new Uc(t,o,s);let c;c=e.is("documentFragment")?e.getChildren():[e],a.handleNodes(c,{isFirst:!0,isLast:!0});const l=a.getSelectionRange();l&&(r instanceof ua?o.setSelection(l):r.setTo(l));const d=a.getAffectedRange()||t.createRange(s);return a.destroy(),d})}(this,t,e,n)}deleteContent(t,e){$c(this,t,e)}modifySelection(t,e){!function(t,e,n={}){const i=t.schema,o="backward"!=n.direction,r=n.unit?n.unit:"character",s=e.focus,a=new Ws({boundaries:Zc(s,o),singleCharacters:!0,direction:o?"forward":"backward"}),c={walker:a,schema:i,isForward:o,unit:r};let l;for(;l=a.next();){if(l.done)return;const n=Jc(c,l.value);if(n)return void(e instanceof ua?t.change(t=>{t.setSelectionFocus(n)}):e.setFocus(n))}}(this,t,e)}getSelectedContent(t){return function(t,e){return t.change(t=>{const n=t.createDocumentFragment(),i=e.getFirstRange();if(!i||i.isCollapsed)return n;const o=i.start.root,r=i.start.getCommonPath(i.end),s=o.getNodeByPath(r);let a;const c=(a=i.start.parent==i.end.parent?i:t.createRange(t.createPositionAt(s,i.start.path[r.length]),t.createPositionAt(s,i.end.path[r.length]+1))).end.offset-a.start.offset;for(const e of a.getItems({shallow:!0}))e.is("textProxy")?t.appendText(e.data,e.getAttributes(),n):t.append(e._clone(!0),n);if(a!=i){const e=i._getTransformedByMove(a.start,t.createPositionAt(n,0),c)[0],o=t.createRange(t.createPositionAt(n,0),e.start);Xc(t.createRange(e.end,t.createPositionAt(n,"end")),t),Xc(o,t)}return n})}(this,t)}hasContent(t,e){const n=t instanceof $s?Zs._createIn(t):t;if(n.isCollapsed)return!1;for(const t of this.markers.getMarkersIntersectingRange(n))if(t.affectsData)return!0;const{ignoreWhitespaces:i=!1}=e||{};for(const t of n.getItems())if(t.is("textProxy")){if(!i)return!0;if(-1!==t.data.search(/\S/))return!0}else if(this.schema.isObject(t))return!0;return!1}createPositionFromPath(t,e,n){return new Js(t,e,n)}createPositionAt(t,e){return Js._createAt(t,e)}createPositionAfter(t){return Js._createAfter(t)}createPositionBefore(t){return Js._createBefore(t)}createRange(t,e){return new Zs(t,e)}createRangeIn(t){return Zs._createIn(t)}createRangeOn(t){return Zs._createOn(t)}createSelection(t,e,n){return new na(t,e,n)}createBatch(t){return new nc(t)}destroy(){this.document.destroy(),this.stopListening()}_runPendingChanges(){const t=[];for(this.fire("_beforeChanges");this._pendingChanges.length;){const e=this._pendingChanges[0].batch;this._currentWriter=new xc(this,e);const n=this._pendingChanges[0].callback(this._currentWriter);t.push(n),this.document._handleChangeBlock(this._currentWriter),this._pendingChanges.shift(),this._currentWriter=null}return this.fire("_afterChanges"),t}}di(ol,Hi);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class rl{constructor(){this._listener=Object.create(ur)}listenTo(t){this._listener.listenTo(t,"keydown",(t,e)=>{this._listener.fire("_keydown:"+_o(e),e)})}set(t,e,n={}){const i=vo(t),o=n.priority;this._listener.listenTo(this._listener,"_keydown:"+i,(t,n)=>{e(n,()=>{n.preventDefault(),n.stopPropagation(),t.stop()}),t.return=!0},{priority:o})}press(t){return!!this._listener.fire("_keydown:"+_o(t),t)}destroy(){this._listener.stopListening()}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class sl extends rl{constructor(t){super(),this.editor=t}set(t,e,n={}){if("string"==typeof e){const t=e;e=(e,n)=>{this.editor.execute(t),n()}}super.set(t,e,n)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class al{constructor(t){const e=this.constructor.builtinPlugins;this.config=new Kn(t,this.constructor.defaultConfig),this.config.define("plugins",e),this.plugins=new Ra(this,e),this.commands=new Ia;const n=this.config.get("language")||{};this.locale=new Ma({uiLanguage:"string"==typeof n?n:n.ui,contentLanguage:this.config.get("language.content")}),this.t=this.locale.t,this.set("state","initializing"),this.once("ready",()=>this.state="ready",{priority:"high"}),this.once("destroy",()=>this.state="destroyed",{priority:"high"}),this.set("isReadOnly",!1),this.model=new ol,this.data=new Ya(this.model),this.editing=new Sa(this.model),this.editing.view.document.bind("isReadOnly").to(this),this.conversion=new Xa([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 sl(this),this.keystrokes.listenTo(this.editing.view.document)}initPlugins(){const t=this.config,e=t.get("plugins")||[],n=t.get("removePlugins")||[],i=t.get("extraPlugins")||[];return this.plugins.init(e.concat(i),n)}destroy(){let t=Promise.resolve();return"initializing"==this.state&&(t=new Promise(t=>this.once("ready",t))),t.then(()=>{this.fire("destroy"),this.stopListening(),this.commands.destroy()}).then(()=>this.plugins.destroy()).then(()=>{this.model.destroy(),this.data.destroy(),this.editing.destroy(),this.keystrokes.destroy()})}execute(...t){try{this.commands.execute(...t)}catch(t){Zn.b.rethrowUnexpectedError(t,this)}}}di(al,Hi);var cl={setData(t){this.data.set(t)},getData(t){return this.data.get(t)}};
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class ll{getHtml(t){const e=document.implementation.createHTMLDocument("").createElement("div");return e.appendChild(t),e.innerHTML}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class dl{constructor(){this._domParser=new DOMParser,this._domConverter=new ar({blockFillerMode:"nbsp"}),this._htmlWriter=new ll}toData(t){const e=this._domConverter.viewToDom(t,document);return this._htmlWriter.getHtml(e)}toView(t){const e=this._toDom(t);return this._domConverter.domToView(e)}_toDom(t){const e=this._domParser.parseFromString(t,"text/html"),n=e.createDocumentFragment(),i=e.body.childNodes;for(;i.length>0;)n.appendChild(i[0]);return n}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class ul{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 Zn.b("componentfactory-item-exists: The item already exists in the component factory.",this,{name:t});this._components.set(hl(t),{callback:e,originalName:t})}create(t){if(!this.has(t))throw new Zn.b("componentfactory-item-missing: The required component is not registered in the factory.",this,{name:t});return this._components.get(hl(t)).callback(this.editor.locale)}has(t){return this._components.has(hl(t))}}function hl(t){return String(t).toLowerCase()}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class fl{constructor(){this.set("isFocused",!1),this.set("focusedElement",null),this._elements=new Set,this._nextEventLoopTimeout=null}add(t){if(this._elements.has(t))throw new Zn.b("focusTracker-add-element-already-exist",this);this.listenTo(t,"focus",()=>this._focus(t),{useCapture:!0}),this.listenTo(t,"blur",()=>this._blur(),{useCapture:!0}),this._elements.add(t)}remove(t){t===this.focusedElement&&this._blur(t),this._elements.has(t)&&(this.stopListening(t),this._elements.delete(t))}destroy(){this.stopListening()}_focus(t){clearTimeout(this._nextEventLoopTimeout),this.focusedElement=t,this.isFocused=!0}_blur(){clearTimeout(this._nextEventLoopTimeout),this._nextEventLoopTimeout=setTimeout(()=>{this.focusedElement=null,this.isFocused=!1},0)}}di(fl,ur),di(fl,Hi);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class pl{constructor(t){this.editor=t,this.componentFactory=new ul(t),this.focusTracker=new fl,this._editableElementsMap=new Map,this.listenTo(t.editing.view.document,"layoutChanged",()=>this.update())}get element(){return null}update(){this.fire("update")}destroy(){this.stopListening(),this.focusTracker.destroy();for(const t of this._editableElementsMap.values())t.ckeditorInstance=null;this._editableElementsMap=new Map}setEditableElement(t,e){this._editableElementsMap.set(t,e),e.ckeditorInstance||(e.ckeditorInstance=this.editor)}getEditableElement(t="main"){return this._editableElementsMap.get(t)}getEditableElementsNames(){return this._editableElementsMap.keys()}get _editableElements(){return console.warn("editor-ui-deprecated-editable-elements: The EditorUI#_editableElements property has been deprecated and will be removed in the near future.",{editorUI:this}),this._editableElementsMap}}di(pl,ii);n(27);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/const ml=new WeakMap;function gl(t){const{view:e,element:n,text:i,isDirectHost:o=!0}=t,r=e.document;ml.has(r)||(ml.set(r,new Map),r.registerPostFixer(t=>wl(r,t))),ml.get(r).set(n,{text:i,isDirectHost:o}),e.change(t=>wl(r,t))}function bl(t,e){return!!e.hasClass("ck-placeholder")&&(t.removeClass("ck-placeholder",e),!0)}function wl(t,e){const n=ml.get(t);let i=!1;for(const[t,o]of n)kl(e,t,o)&&(i=!0);return i}function kl(t,e,n){const{text:i,isDirectHost:o}=n,r=o?e:function(t){if(1===t.childCount){const e=t.getChild(0);if(e.is("element")&&!e.is("uiElement"))return e}return null}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(e);let s=!1;return!!r&&(n.hostElement=r,r.getAttribute("data-placeholder")!==i&&(t.setAttribute("data-placeholder",i,r),s=!0),!function(t){const e=t.document;if(!e)return!1;const n=!Array.from(t.getChildren()).some(t=>!t.is("uiElement"));if(!e.isFocused&&n)return!0;const i=e.selection.anchor;return!(!n||!i||i.parent===t)}(r)?bl(t,r)&&(s=!0):function(t,e){return!e.hasClass("ck-placeholder")&&(t.addClass("ck-placeholder",e),!0)}(t,r)&&(s=!0),s)}class _l extends pl{constructor(t,e){
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
var n;super(t),this.view=e,this._toolbarConfig=(n=t.config.get("toolbar"),Array.isArray(n)?{items:n}:n?Object.assign({items:[]},n):{items:[]})}init(){const t=this.editor,e=this.view,n=t.editing.view,i=e.editable,o=n.document.getRoot();e.editable.name=o.rootName,e.render();const r=i.element;this.setEditableElement(i.name,r),this.focusTracker.add(r),e.editable.bind("isFocused").to(this.focusTracker),n.attachDomRoot(r),this._initPlaceholder(),this._initToolbar(),this.fire("ready")}destroy(){const t=this.view;this.editor.editing.view.detachDomRoot(t.editable.name),t.destroy(),super.destroy()}_initToolbar(){const t=this.editor,e=this.view.toolbar;e.fillFromConfig(this._toolbarConfig.items,this.componentFactory),
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
function({origin:t,originKeystrokeHandler:e,originFocusTracker:n,toolbar:i,beforeFocus:o,afterBlur:r}){n.add(i.element),e.set("Alt+F10",(t,e)=>{n.isFocused&&!i.focusTracker.isFocused&&(o&&o(),i.focus(),e())}),i.keystrokes.set("Esc",(e,n)=>{i.focusTracker.isFocused&&(t.focus(),r&&r(),n())})}({origin:t.editing.view,originFocusTracker:this.focusTracker,originKeystrokeHandler:t.keystrokes,toolbar:e})}_initPlaceholder(){const t=this.editor,e=t.editing.view,n=e.document.getRoot(),i=t.sourceElement,o=t.config.get("placeholder")||i&&"textarea"===i.tagName.toLowerCase()&&i.getAttribute("placeholder");o&&gl({view:e,element:n,text:o,isDirectHost:!1})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class vl extends so{constructor(t){super({idProperty:"viewUid"}),this.on("add",(t,e,n)=>{e.isRendered||e.render(),e.element&&this._parentElement&&this._parentElement.insertBefore(e.element,this._parentElement.children[n])}),this.on("remove",(t,e)=>{e.element&&this._parentElement&&e.element.remove()}),this.locale=t,this._parentElement=null}destroy(){this.map(t=>t.destroy())}setParent(t){this._parentElement=t}delegate(...t){if(!t.length||!t.every(t=>"string"==typeof t))throw new Zn.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)})}}}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
const yl="http://www.w3.org/1999/xhtml";class xl{constructor(t){Object.assign(this,Dl(Ol(t))),this._isRendered=!1,this._revertData=null}render(){const t=this._renderNode({intoFragment:!0});return this._isRendered=!0,t}apply(t){return this._revertData={children:[],bindings:[],attributes:{}},this._renderNode({node:t,isApplying:!0,revertData:this._revertData}),t}revert(t){if(!this._revertData)throw new Zn.b("ui-template-revert-not-applied: Attempting to revert a template which has not been applied yet.",[this,t]);this._revertTemplateFromNode(t,this._revertData)}*getViews(){yield*function*t(e){if(e.children)for(const n of e.children)Bl(n)?yield n:Ll(n)&&(yield*t(n))}(this)}static bind(t,e){return{to:(n,i)=>new Al({eventNameOrFunction:n,attribute:n,observable:t,emitter:e,callback:i}),if:(n,i,o)=>new Pl({observable:t,emitter:e,attribute:n,valueIfTrue:i,callback:o})}}static extend(t,e){if(t._isRendered)throw new Zn.b("template-extend-render: Attempting to extend a template which has already been rendered.",[this,t]);!function t(e,n){n.attributes&&(e.attributes||(e.attributes={}),Vl(e.attributes,n.attributes));n.eventListeners&&(e.eventListeners||(e.eventListeners={}),Vl(e.eventListeners,n.eventListeners));n.text&&e.text.push(...n.text);if(n.children&&n.children.length){if(e.children.length!=n.children.length)throw new Zn.b("ui-template-extend-children-mismatch: The number of children in extended definition does not match.",e);let i=0;for(const o of n.children)t(e.children[i++],o)}}(t,Dl(Ol(e)))}_renderNode(t){let e;if(e=t.node?this.tag&&this.text:this.tag?this.text:!this.text)throw new Zn.b('ui-template-wrong-syntax: Node definition must have either "tag" or "text" when rendering a new Node.',this);return this.text?this._renderText(t):this._renderElement(t)}_renderElement(t){let e=t.node;return e||(e=t.node=document.createElementNS(this.ns||yl,this.tag)),this._renderAttributes(t),this._renderElementChildren(t),this._setUpListeners(t),e}_renderText(t){let e=t.node;return e?t.revertData.text=e.textContent:e=t.node=document.createTextNode(""),Tl(this.text)?this._bindToObservable({schema:this.text,updater:Sl(e),data:t}):e.textContent=this.text.join(""),e}_renderAttributes(t){let e,n,i,o;if(!this.attributes)return;const r=t.node,s=t.revertData;for(e in this.attributes)if(i=r.getAttribute(e),n=this.attributes[e],s&&(s.attributes[e]=i),o=q(n[0])&&n[0].ns?n[0].ns:null,Tl(n)){const a=o?n[0].value:n;s&&ql(e)&&a.unshift(i),this._bindToObservable({schema:a,updater:Rl(r,e,o),data:t})}else"style"==e&&"string"!=typeof n[0]?this._renderStyleAttribute(n[0],t):(s&&i&&ql(e)&&n.unshift(i),Fl(n=n.map(t=>t&&t.value||t).reduce((t,e)=>t.concat(e),[]).reduce(Nl,""))||r.setAttributeNS(o,e,n))}_renderStyleAttribute(t,e){const n=e.node;for(const i in t){const o=t[i];Tl(o)?this._bindToObservable({schema:[o],updater:Il(n,i),data:e}):n.style[i]=o}}_renderElementChildren(t){const e=t.node,n=t.intoFragment?document.createDocumentFragment():e,i=t.isApplying;let o=0;for(const r of this.children)if(zl(r)){if(!i){r.setParent(e);for(const t of r)n.appendChild(t.element)}}else if(Bl(r))i||(r.isRendered||r.render(),n.appendChild(r.element));else if(Yo(r))n.appendChild(r);else if(i){const e={children:[],bindings:[],attributes:{}};t.revertData.children.push(e),r._renderNode({node:n.childNodes[o++],isApplying:!0,revertData:e})}else n.appendChild(r.render());t.intoFragment&&e.appendChild(n)}_setUpListeners(t){if(this.eventListeners)for(const e in this.eventListeners){const n=this.eventListeners[e].map(n=>{const[i,o]=e.split("@");return n.activateDomEventListener(i,o,t)});t.revertData&&t.revertData.bindings.push(n)}}_bindToObservable({schema:t,updater:e,data:n}){const i=n.revertData;El(t,e,n);const o=t.filter(t=>!Fl(t)).filter(t=>t.observable).map(i=>i.activateAttributeListener(t,e,n));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;else{for(const n in e.attributes){const i=e.attributes[n];null===i?t.removeAttribute(n):t.setAttribute(n,i)}for(let n=0;n<e.children.length;++n)this._revertTempl
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class jl{constructor(t){this.element=null,this.isRendered=!1,this.locale=t,this.t=t&&t.t,this._viewCollections=new so,this._unboundChildren=this.createCollection(),this._viewCollections.on("add",(e,n)=>{n.locale=t}),this.decorate("render")}get bindTemplate(){return this._bindTemplate?this._bindTemplate:this._bindTemplate=xl.bind(this,this)}createCollection(){const t=new vl;return this._viewCollections.add(t),t}registerChild(t){wi(t)||(t=[t]);for(const e of t)this._unboundChildren.add(e)}deregisterChild(t){wi(t)||(t=[t]);for(const e of t)this._unboundChildren.remove(e)}setTemplate(t){this.template=new xl(t)}extendTemplate(t){xl.extend(this.template,t)}render(){if(this.isRendered)throw new Zn.b("ui-view-render-already-rendered: This View has already been rendered.",this);this.template&&(this.element=this.template.render(),this.registerChild(this.template.getViews())),this.isRendered=!0}destroy(){this.stopListening(),this._viewCollections.map(t=>t.destroy()),this.template&&this.template._revertData&&this.template.revert(this.element)}}di(jl,ur),di(jl,Hi);n(31);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Hl extends jl{constructor(t){super(t),this.body=this.createCollection()}render(){super.render(),this._renderBodyCollection()}destroy(){return this._bodyCollectionContainer.remove(),super.destroy()}_renderBodyCollection(){const t=this.locale,e=this._bodyCollectionContainer=new xl({tag:"div",attributes:{class:["ck","ck-reset_all","ck-body","ck-rounded-corners"],dir:t.uiLanguageDirection},children:this.body}).render();document.body.appendChild(e)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Ul extends jl{constructor(t,e,n){super(t),this.setTemplate({tag:"div",attributes:{class:["ck","ck-content","ck-editor__editable","ck-rounded-corners"],lang:t.contentLanguage,dir:t.contentLanguageDirection}}),this.name=null,this.set("isFocused",!1),this._editableElement=n,this._hasExternalElement=!!this._editableElement,this._editingView=e}render(){super.render(),this._hasExternalElement?this.template.apply(this.element=this._editableElement):this._editableElement=this.element,this.on("change:isFocused",()=>this._updateIsFocusedClasses()),this._updateIsFocusedClasses()}destroy(){this._hasExternalElement&&this.template.revert(this._editableElement),super.destroy()}_updateIsFocusedClasses(){const t=this._editingView;function e(e){t.change(n=>{const i=t.document.getRoot(e.name);n.addClass(e.isFocused?"ck-focused":"ck-blurred",i),n.removeClass(e.isFocused?"ck-blurred":"ck-focused",i)})}t.isRenderingInProgress?function n(i){t.once("change:isRenderingInProgress",(t,o,r)=>{r?n(i):e(i)})}(this):e(this)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class $l extends Ul{constructor(t,e,n){super(t,e,n),this.extendTemplate({attributes:{role:"textbox",class:"ck-editor__editable_inline"}})}render(){super.render();const t=this._editingView,e=this.t;t.change(n=>{const i=t.document.getRoot(this.name);n.setAttribute("aria-label",e("j",[this.name]),i)})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Wl{constructor(t){if(Object.assign(this,t),t.actions&&t.keystrokeHandler)for(const e in t.actions){let n=t.actions[e];"string"==typeof n&&(n=[n]);for(const i of n)t.keystrokeHandler.set(i,(t,n)=>{this[e](),n()})}}get first(){return this.focusables.find(Gl)||null}get last(){return this.focusables.filter(Gl).slice(-1)[0]||null}get next(){return this._getFocusableItem(1)}get previous(){return this._getFocusableItem(-1)}get current(){let t=null;return null===this.focusTracker.focusedElement?null:(this.focusables.find((e,n)=>{const i=e.element===this.focusTracker.focusedElement;return i&&(t=n),i}),t)}focusFirst(){this._focus(this.first)}focusLast(){this._focus(this.last)}focusNext(){this._focus(this.next)}focusPrevious(){this._focus(this.previous)}_focus(t){t&&t.focus()}_getFocusableItem(t){const e=this.current,n=this.focusables.length;if(!n)return null;if(null===e)return this[1===t?"first":"last"];let i=(e+n+t)%n;do{const e=this.focusables.get(i);if(Gl(e))return e;i=(i+n+t)%n}while(i!==e);return null}}function Gl(t){return!(!t.focus||"none"==ir.window.getComputedStyle(t.element).display)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Kl extends jl{constructor(t){super(t),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__separator"]}})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/const Jl=100;class Zl{constructor(t){this._callback=t,this._elements=new Set,this._previousRects=new Map,this._periodicCheckTimeout=null}observe(t){this._elements.add(t),1===this._elements.size&&this._startPeriodicCheck()}unobserve(t){this._elements.delete(t),this._previousRects.delete(t),this._elements.size||this._stopPeriodicCheck()}disconnect(){this._elements.forEach(t=>this.unobserve(t))}_startPeriodicCheck(){const t=()=>{this._checkElementRectsAndExecuteCallback(),this._periodicCheckTimeout=setTimeout(t,Jl)};this.listenTo(ir.window,"resize",()=>{this._checkElementRectsAndExecuteCallback()}),t()}_stopPeriodicCheck(){clearTimeout(this._periodicCheckTimeout),this.stopListening(),this._previousRects.clear()}_checkElementRectsAndExecuteCallback(){const t=[];for(const e of this._elements)this._hasRectChanged(e)&&t.push({target:e,contentRect:this._previousRects.get(e)});t.length&&this._callback(t)}_hasRectChanged(t){if(!t.ownerDocument.body.contains(t))return!1;const e=new Ps(t),n=this._previousRects.get(t),i=!n||!n.isEqual(e);return this._previousRects.set(t,e),i}}di(Zl,ur);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class Ql extends jl{constructor(t){super(t);const e=this.bindTemplate;this.set("isVisible",!1),this.set("position","se"),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-reset","ck-dropdown__panel",e.to("position",t=>`ck-dropdown__panel_${t}`),e.if("isVisible","ck-dropdown__panel-visible")]},children:this.children,on:{selectstart:e.to(t=>t.preventDefault())}})}focus(){this.children.length&&this.children.first.focus()}focusLast(){if(this.children.length){const t=this.children.last;"function"==typeof t.focusLast?t.focusLast():t.focus()}}}n(33);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
function Yl({element:t,target:e,positions:n,limiter:i,fitInViewport:o}){G(e)&&(e=e()),G(i)&&(i=i());const r=function(t){for(;t&&"html"!=t.tagName.toLowerCase();){if("static"!=ir.window.getComputedStyle(t).position)return t;t=t.parentElement}return null}(t.parentElement),s=new Ps(t),a=new Ps(e);let c,l;if(i||o){const t=i&&new Ps(i).getVisible(),e=o&&new Ps(ir.window);[l,c]=function(t,e,n,i,o){let r,s,a=0,c=0;const l=n.getArea();return t.some(t=>{const[d,u]=Xl(t,e,n);let h,f;if(i)if(o){const t=i.getIntersection(o);h=t?t.getIntersectionArea(u):0}else h=i.getIntersectionArea(u);function p(){c=f,a=h,r=u,s=d}return o&&(f=o.getIntersectionArea(u)),o&&!i?f>c&&p():!o&&i?h>a&&p():f>c&&h>=a?p():f>=c&&h>a&&p(),h===l}),r?[s,r]:null}(n,a,s,t,e)||Xl(n[0],a,s)}else[l,c]=Xl(n[0],a,s);let{left:d,top:u}=td(c);if(r){const t=td(new Ps(r)),e=Cs(r);d-=t.left,u-=t.top,d+=r.scrollLeft,u+=r.scrollTop,d-=e.left,u-=e.top}return{left:d,top:u,name:l}}function Xl(t,e,n){const{left:i,top:o,name:r}=t(e,n);return[r,n.clone().moveTo(i,o)]}function td({left:t,top:e}){const{scrollX:n,scrollY:i}=ir.window;return{left:t+n,top:e+i}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class ed extends jl{constructor(t,e,n){super(t);const i=this.bindTemplate;this.buttonView=e,this.panelView=n,this.set("isOpen",!1),this.set("isEnabled",!0),this.set("class"),this.set("panelPosition","auto"),this.focusTracker=new fl,this.keystrokes=new rl,this.setTemplate({tag:"div",attributes:{class:["ck","ck-dropdown",i.to("class"),i.if("isEnabled","ck-disabled",t=>!t)]},children:[e,n]}),e.extendTemplate({attributes:{class:["ck-dropdown__button"]}})}render(){super.render(),this.listenTo(this.buttonView,"open",()=>{this.isOpen=!this.isOpen}),this.panelView.bind("isVisible").to(this,"isOpen"),this.on("change:isOpen",()=>{this.isOpen&&("auto"===this.panelPosition?this.panelView.position=ed._getOptimalPosition({element:this.panelView.element,target:this.buttonView.element,fitInViewport:!0,positions:this._panelPositions}).name:this.panelView.position=this.panelPosition)}),this.keystrokes.listenTo(this.element),this.focusTracker.add(this.element);const t=(t,e)=>{this.isOpen&&(this.buttonView.focus(),this.isOpen=!1,e())};this.keystrokes.set("arrowdown",(t,e)=>{this.buttonView.isEnabled&&!this.isOpen&&(this.isOpen=!0,e())}),this.keystrokes.set("arrowright",(t,e)=>{this.isOpen&&e()}),this.keystrokes.set("arrowleft",t),this.keystrokes.set("esc",t)}focus(){this.buttonView.focus()}get _panelPositions(){const{southEast:t,southWest:e,northEast:n,northWest:i}=ed.defaultPanelPositions;return"ltr"===this.locale.uiLanguageDirection?[t,e,n,i]:[e,t,i,n]}}ed.defaultPanelPositions={southEast:t=>({top:t.bottom,left:t.left,name:"se"}),southWest:(t,e)=>({top:t.bottom,left:t.left-e.width+t.width,name:"sw"}),northEast:(t,e)=>({top:t.top-e.height,left:t.left,name:"ne"}),northWest:(t,e)=>({top:t.bottom-e.height,left:t.left-e.width+t.width,name:"nw"})},ed._getOptimalPosition=Yl;n(35);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class nd extends jl{constructor(){super();const t=this.bindTemplate;this.set("content",""),this.set("viewBox","0 0 20 20"),this.set("fillColor",""),this.setTemplate({tag:"svg",ns:"http://www.w3.org/2000/svg",attributes:{class:["ck","ck-icon"],viewBox:t.to("viewBox")}})}render(){super.render(),this._updateXMLContent(),this._colorFillPaths(),this.on("change:content",()=>{this._updateXMLContent(),this._colorFillPaths()}),this.on("change:fillColor",()=>{this._colorFillPaths()})}_updateXMLContent(){if(this.content){const t=(new DOMParser).parseFromString(this.content.trim(),"image/svg+xml").querySelector("svg"),e=t.getAttribute("viewBox");for(e&&(this.viewBox=e),this.element.innerHTML="";t.childNodes.length>0;)this.element.appendChild(t.childNodes[0])}}_colorFillPaths(){this.fillColor&&this.element.querySelectorAll(".ck-icon__fill").forEach(t=>{t.style.fill=this.fillColor})}}n(37);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class id extends jl{constructor(t){super(t),this.set("text",""),this.set("position","s");const e=this.bindTemplate;this.setTemplate({tag:"span",attributes:{class:["ck","ck-tooltip",e.to("position",t=>"ck-tooltip_"+t),e.if("text","ck-hidden",t=>!t.trim())]},children:[{tag:"span",attributes:{class:["ck","ck-tooltip__text"]},children:[{text:e.to("text")}]}]})}}n(39);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class od extends jl{constructor(t){super(t);const e=this.bindTemplate,n=Xn();this.set("class"),this.set("labelStyle"),this.set("icon"),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isVisible",!0),this.set("isToggleable",!1),this.set("keystroke"),this.set("label"),this.set("tabindex",-1),this.set("tooltip"),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.children=this.createCollection(),this.tooltipView=this._createTooltipView(),this.labelView=this._createLabelView(n),this.iconView=new nd,this.iconView.extendTemplate({attributes:{class:"ck-button__icon"}}),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")],type:e.to("type",t=>t||"button"),tabindex:e.to("tabindex"),"aria-labelledby":`ck-editor__aria-label_${n}`,"aria-disabled":e.if("isEnabled",!0,t=>!t),"aria-pressed":e.to("isOn",t=>!!this.isToggleable&&String(t))},children:this.children,on:{mousedown:e.to(t=>{t.preventDefault()}),click:e.to(t=>{this.isEnabled?this.fire("execute"):t.preventDefault()})}})}render(){super.render(),this.icon&&(this.iconView.bind("content").to(this,"icon"),this.children.add(this.iconView)),this.children.add(this.tooltipView),this.children.add(this.labelView)}focus(){this.element.focus()}_createTooltipView(){const t=new id;return t.bind("text").to(this,"_tooltipString"),t.bind("position").to(this,"tooltipPosition"),t}_createLabelView(t){const e=new jl,n=this.bindTemplate;return e.setTemplate({tag:"span",attributes:{class:["ck","ck-button__label"],style:n.to("labelStyle"),id:`ck-editor__aria-label_${t}`},children:[{text:this.bindTemplate.to("label")}]}),e}_getTooltipString(t,e,n){return t?"string"==typeof t?t:(n&&(n=function(t){return go.isMac?yo(t).map(t=>wo[t.toLowerCase()]||t).reduce((t,e)=>t.slice(-1)in bo?t+e:t+"+"+e):t}(n)),t instanceof Function?t(e,n):`${e}${n?` (${n})`:""}`):""}}var rd='<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>';
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class sd extends od{constructor(t){super(t),this.arrowView=this._createArrowView(),this.extendTemplate({attributes:{"aria-haspopup":!0}}),this.delegate("execute").to(this,"open")}render(){super.render(),this.children.add(this.arrowView)}_createArrowView(){const t=new nd;return t.content=rd,t.extendTemplate({attributes:{class:"ck-dropdown__arrow"}}),t}}n(41);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class ad extends jl{constructor(){super(),this.items=this.createCollection(),this.focusTracker=new fl,this.keystrokes=new rl,this._focusCycler=new Wl({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()}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class cd extends jl{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()}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class ld extends jl{constructor(t){super(t),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__separator"]}})}}n(43);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class dd extends od{constructor(t){super(t),this.isToggleable=!0,this.toggleSwitchView=this._createToggleView(),this.extendTemplate({attributes:{class:"ck-switchbutton"}})}render(){super.render(),this.children.add(this.toggleSwitchView)}_createToggleView(){const t=new jl;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__toggle"]},children:[{tag:"span",attributes:{class:["ck","ck-button__toggle__inner"]}}]}),t}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function ud({emitter:t,activator:e,callback:n,contextElements:i}){t.listenTo(document,"mousedown",(t,{target:o})=>{if(e()){for(const t of i)if(t.contains(o))return;n()}})}n(45),n(47);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
function hd(t,e=sd){const n=new e(t),i=new Ql(t),o=new ed(t,n,i);return n.bind("isEnabled").to(o),n instanceof sd?n.bind("isOn").to(o,"isOpen"):n.arrowView.bind("isOn").to(o,"isOpen"),function(t){(function(t){t.on("render",()=>{ud({emitter:t,activator:()=>t.isOpen,callback:()=>{t.isOpen=!1},contextElements:[t.element]})})})(t),function(t){t.on("execute",e=>{e.source instanceof dd||(t.isOpen=!1)})}(t),function(t){t.keystrokes.set("arrowdown",(e,n)=>{t.isOpen&&(t.panelView.focus(),n())}),t.keystrokes.set("arrowup",(e,n)=>{t.isOpen&&(t.panelView.focusLast(),n())})}(t)}(o),o}function fd(t,e){const n=t.locale,i=n.t,o=t.toolbarView=new gd(n);o.set("ariaLabel",i("h")),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 pd(t,e){const n=t.locale,i=t.listView=new ad(n);i.items.bindTo(e).using(({type:t,model:e})=>{if("separator"===t)return new ld(n);if("button"===t||"switchbutton"===t){const i=new cd(n);let o;return(o="button"===t?new od(n):new dd(n)).bind(...Object.keys(e)).to(e),o.delegate("execute").to(i),i.children.add(o),i}}),t.panelView.children.add(i),i.items.delegate("execute").to(t)}var md='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><circle cx="9.5" cy="4.5" r="1.5"/><circle cx="9.5" cy="10.5" r="1.5"/><circle cx="9.5" cy="16.5" r="1.5"/></svg>\n';n(49);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class gd extends jl{constructor(t,e){super(t);const n=this.bindTemplate,i=this.t;
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
var o;this.options=e||{},this.set("ariaLabel",i("al")),this.items=this.createCollection(),this.focusTracker=new fl,this.keystrokes=new rl,this.set("class"),this.itemsView=new bd(t),this.children=this.createCollection(),this.children.add(this.itemsView),this.focusables=this.createCollection(),this._focusCycler=new Wl({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")],role:"toolbar","aria-label":n.to("ariaLabel")},children:this.children,on:{mousedown:(o=this,o.bindTemplate.to(t=>{t.target===o.element&&t.preventDefault()}))}}),this._behavior=this.options.shouldGroupWhenFull?new kd(this):new wd(this)}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.items.on("add",(t,e)=>{this.focusTracker.add(e.element)}),this.items.on("remove",(t,e)=>{this.focusTracker.remove(e.element)}),this.keystrokes.listenTo(this.element),this._behavior.render(this)}destroy(){return this._behavior.destroy(),super.destroy()}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}fillFromConfig(t,e){t.map(t=>{"|"==t?this.items.add(new Kl):e.has(t)?this.items.add(e.create(t)):console.warn(Object(Zn.a)("toolbarview-item-unavailable: The requested toolbar item is unavailable."),{name:t})})}}class bd extends jl{constructor(t){super(t),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar__items"]},children:this.children})}}class wd{constructor(t){const e=t.bindTemplate;t.set("isVertical",!1),t.itemsView.children.bindTo(t.items).using(t=>t),t.focusables.bindTo(t.items).using(t=>t),t.extendTemplate({attributes:{class:[e.if("isVertical","ck-toolbar_vertical")]}})}render(){}destroy(){}}class kd{constructor(t){this.viewChildren=t.children,this.viewFocusables=t.focusables,this.viewItemsView=t.itemsView,this.viewFocusTracker=t.focusTracker,this.viewLocale=t.locale,this.ungroupedItems=t.createCollection(),this.groupedItems=t.createCollection(),this.groupedItemsDropdown=this._createGroupedItemsDropdown(),this.resizeObserver=null,this.cachedPadding=null,t.itemsView.children.bindTo(this.ungroupedItems).using(t=>t),this.ungroupedItems.on("add",this._updateFocusCycleableItems.bind(this)),this.ungroupedItems.on("remove",this._updateFocusCycleableItems.bind(this)),t.children.on("add",this._updateFocusCycleableItems.bind(this)),t.children.on("remove",this._updateFocusCycleableItems.bind(this)),t.items.on("add",(t,e,n)=>{n>this.ungroupedItems.length?this.groupedItems.add(e,n-this.ungroupedItems.length):this.ungroupedItems.add(e,n),this._updateGrouping()}),t.items.on("remove",(t,e,n)=>{n>this.ungroupedItems.length?this.groupedItems.remove(e):this.ungroupedItems.remove(e),this._updateGrouping()}),t.extendTemplate({attributes:{class:["ck-toolbar_grouping"]}})}render(t){this.viewElement=t.element,this._enableGroupingOnResize()}destroy(){this.groupedItemsDropdown.destroy(),this.resizeObserver.disconnect()}_updateGrouping(){if(!this.viewElement.ownerDocument.body.contains(this.viewElement))return;let t;for(;this._areItemsOverflowing;)this._groupLastItem(),t=!0;if(!t&&this.groupedItems.length){for(;this.groupedItems.length&&!this._areItemsOverflowing;)this._ungroupFirstItem();this._areItemsOverflowing&&this._groupLastItem()}}get _areItemsOverflowing(){if(!this.ungroupedItems.length)return!1;const t=this.viewElement,e=this.viewLocale.uiLanguageDirection,n=new Ps(t.lastChild),i=new Ps(t);if(!this.cachedPadding){const n=ir.window.getComputedStyle(t),i="ltr"===e?"paddingRight":"paddingLeft";this.cachedPadding=Number.parseInt(n[i])}return"ltr"===e?n.right>i.right-this.cachedPadding:n.left<i.left+this.cachedPadding}_enableGroupingOnResize(){let t;var e;this.resizeObserver=(e=([e])=>{t&&t===e.contentRect.width||(this._updateGrouping(),t=e.contentRect.width)},"function"==typeof ir.window.ResizeObserver?new ir.window.ResizeObserver(e):new Zl(e)),this.resizeObserver.observe(th
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class _d extends Hl{constructor(t,e,n){super(t),this.toolbar=new gd(t,{shouldGroupWhenFull:!0}),this.editable=new $l(t,e,n),this.toolbar.extendTemplate({attributes:{class:["ck-reset_all","ck-rounded-corners"],dir:t.uiLanguageDirection}})}render(){super.render(),this.registerChild([this.toolbar,this.editable])}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class vd extends al{constructor(t,e){super(e),Gn(t)&&(this.sourceElement=t,
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
function(t){const e=t.sourceElement;if(e){if(e.ckeditorInstance)throw new Zn.b("editor-source-element-already-used: The DOM element cannot be used to create multiple editor instances.",t);e.ckeditorInstance=t,t.once("destroy",()=>{delete e.ckeditorInstance})}}(this)),this.data.processor=new dl,this.model.document.createRoot();const n=new _d(this.locale,this.editing.view,this.sourceElement);this.ui=new _l(this,n)}destroy(){const t=this.getData();return this.ui.destroy(),super.destroy().then(()=>{this.sourceElement&&
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
function(t,e){t instanceof HTMLTextAreaElement&&(t.value=e),t.innerHTML=e}(this.sourceElement,t)})}static create(t,e={}){return new Promise(n=>{const i=Gn(t);if(i&&"TEXTAREA"===t.tagName)throw new Zn.b("editor-wrong-element: This type of editor cannot be initialized inside <textarea> element.",null);const o=new this(t,e);n(o.initPlugins().then(()=>{o.ui.init()}).then(()=>{if(!i&&e.initialData)throw new Zn.b("editor-create-initial-data: The config.initialData option cannot be used together with initial data passed in Editor.create().",null);const n=e.initialData||function(t){return Gn(t)?(e=t,e instanceof HTMLTextAreaElement?e.value:e.innerHTML):t;var e}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(t);return o.data.init(n)}).then(()=>o.fire("ready")).then(()=>o))})}}di(vd,cl);class yd{constructor(t){this.editor=t}destroy(){this.stopListening()}}di(yd,Hi);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class xd{constructor(){this._stack=[]}add(t,e){const n=this._stack,i=n[0];this._insertDescriptor(t);const o=n[0];i===o||Cd(i,o)||this.fire("change:top",{oldDescriptor:i,newDescriptor:o,writer:e})}remove(t,e){const n=this._stack,i=n[0];this._removeDescriptor(t);const o=n[0];i===o||Cd(i,o)||this.fire("change:top",{oldDescriptor:i,newDescriptor:o,writer:e})}_insertDescriptor(t){const e=this._stack,n=e.findIndex(e=>e.id===t.id);if(Cd(t,e[n]))return;n>-1&&e.splice(n,1);let i=0;for(;e[i]&&Ad(e[i],t);)i++;e.splice(i,0,t)}_removeDescriptor(t){const e=this._stack,n=e.findIndex(e=>e.id===t);n>-1&&e.splice(n,1)}}function Cd(t,e){return t&&e&&t.priority==e.priority&&Pd(t.classes)==Pd(e.classes)}function Ad(t,e){return t.priority>e.priority||!(t.priority<e.priority)&&Pd(t.classes)>Pd(e.classes)}function Pd(t){return Array.isArray(t)?t.sort().join(","):t}di(xd,ii);var Td='<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>';
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/const Ed="ck-widget",Sd="ck-widget_selected";function Rd(t){return!!t.is("element")&&!!t.getCustomProperty("widget")}function Id(t,e,n={}){return go.isEdge||e.setAttribute("contenteditable","false",t),e.addClass(Ed,t),e.setCustomProperty("widget",!0,t),t.getFillerOffset=Nd,n.label&&function(t,e,n){n.setCustomProperty("widgetLabel",e,t)}(t,n.label,e),n.hasSelectionHandle&&function(t,e){const n=e.createUIElement("div",{class:"ck ck-widget__selection-handle"},(function(t){const e=this.toDomElement(t),n=new nd;return n.set("content",Td),n.render(),e.appendChild(n.element),e}));e.insert(e.createPositionAt(t,0),n),e.addClass(["ck-widget_with-selection-handle"],t)}(t,e),function(t,e,n,i){const o=new xd;o.on("change:top",(e,o)=>{o.oldDescriptor&&i(t,o.oldDescriptor,o.writer),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)}(t,e,(t,e,n)=>n.addClass(i(e.classes),t),(t,e,n)=>n.removeClass(i(e.classes),t)),t;function i(t){return Array.isArray(t)?t:[t]}}function Od(t){const e=t.getCustomProperty("widgetLabel");return e?"function"==typeof e?e():e:""}function Dd(t,e){return e.addClass(["ck-editor__editable","ck-editor__nested-editable"],t),go.isEdge||(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)=>{o?e.addClass("ck-editor__nested-editable_focused",t):e.removeClass("ck-editor__nested-editable_focused",t)}),t}function Md(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);return t.focus.isTouching(n)?n:e.createPositionBefore(i)}return t.focus}function Nd(){return null}class Vd extends yd{static get pluginName(){return"OPMacroToc"}static get buttonName(){return"insertToc"}init(){const t=this.editor,e=t.model,n=t.conversion;e.schema.register("op-macro-toc",{allowWhere:"$block",isBlock:!0,isLimit:!0}),n.for("upcast").elementToElement({view:{name:"macro",classes:"toc"},model:"op-macro-toc"}),n.for("editingDowncast").elementToElement({model:"op-macro-toc",view:(t,e)=>Id(this.createTocViewElement(e),e,{label:this.label})}),n.for("dataDowncast").elementToElement({model:"op-macro-toc",view:(t,e)=>this.createTocDataElement(e)}),t.ui.componentFactory.add(Vd.buttonName,e=>{const n=new od(e);return n.set({label:this.label,withText:!0}),n.on("execute",()=>{t.model.change(e=>{const n=e.createElement("op-macro-toc",{});t.model.insertContent(n,t.model.document.selection)})}),n})}get label(){return window.I18n.t("js.editor.macro.toc")}createTocViewElement(t){const e=t.createText(this.label),n=t.createContainerElement("div",{class:"macro -toc"});return t.insert(t.createPositionAt(n,0),e),n}createTocDataElement(t){return t.createContainerElement("macro",{class:"toc"})}}const Fd=Symbol("isOPEmbeddedTable");function Bd(t){const e=t.getSelectedElement();return!(!e||!function(t){return!!t.getCustomProperty(Fd)&&Rd(t)}(e))}function Ld(t,e){return zd(t).services[e]}function zd(t){return _.get(t.config,"_config.openProject.pluginContext")}function qd(t){return _.get(t.config,"_config.openProject.context.resource")}function jd(t,e){return Ld(t,"pathHelperService")}class Hd extends yd{static get pluginName(){return"EmbeddedTableEditing"}static get buttonName(){return"insertEmbeddedTable"}init(){const t=this.editor,e=t.model,n=t.conversion,i=zd(t);this.text={button:window.I18n.t("js.editor.macro.embedded_table.button"),macro_text:window.I18n.t("js.editor.macro.embedded_table.text")},e.schema.register("op-macro-embedded-table",{allowWhere:"$block",allowAttributes:["opEmbeddedTableQuery"],isBlock:!0,isObject:!0}),n.for("upcast").elementToElement({view:{name:"macro",classes:"embedded-table"},model:(t,e)=>{const n=t.getAttribute("data-query-props");return e.createElement("op-macro-embedded-table",{opEmbeddedTableQuery:n?JSON.parse(n):{}})}}),n
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Ud extends ns{constructor(t){super(t),this.domEventType="mousedown"}onDomEvent(t){this.fire(t.type,t)}}n(51);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/const $d=vo("Ctrl+A");class Wd extends yd{static get pluginName(){return"Widget"}init(){const t=this.editor.editing.view,e=t.document;this._previouslySelected=new Set,this.editor.editing.downcastDispatcher.on("selection",(t,e,n)=>{this._clearPreviouslySelectedWidgets(n.writer);const i=n.writer,o=i.document.selection,r=o.getSelectedElement();let s=null;for(const t of o.getRanges())for(const e of t){const t=e.item;Rd(t)&&!Gd(t,s)&&(i.addClass(Sd,t),this._previouslySelected.add(t),s=t,t==r&&i.setSelection(o.getRanges(),{fake:!0,label:Od(r)}))}},{priority:"low"}),t.addObserver(Ud),this.listenTo(e,"mousedown",(...t)=>this._onMousedown(...t)),this.listenTo(e,"keydown",(...t)=>this._onKeydown(...t),{priority:"high"}),this.listenTo(e,"delete",(t,e)=>{this._handleDelete("forward"==e.direction)&&(e.preventDefault(),t.stop())},{priority:"high"})}_onMousedown(t,e){const n=this.editor,i=n.editing.view,o=i.document;let r=e.target;if(function(t){for(;t;){if(t.is("editableElement")&&!t.is("rootElement"))return!0;if(Rd(t))return!1;t=t.parent}return!1}(r)){if(go.isSafari&&e.domEvent.detail>=3){const t=n.editing.mapper.toModelElement(r);this.editor.model.change(n=>{e.preventDefault(),n.setSelection(t,"in")})}return}if(!Rd(r)&&!(r=r.findAncestor(Rd)))return;e.preventDefault(),o.isFocused||i.focus();const s=n.editing.mapper.toModelElement(r);this._setSelectionOverElement(s)}_onKeydown(t,e){const n=e.keyCode,i="ltr"===this.editor.locale.contentLanguageDirection,o=n==ko.arrowdown||n==ko[i?"arrowright":"arrowleft"];let r=!1;!function(t){return t==ko.arrowright||t==ko.arrowleft||t==ko.arrowup||t==ko.arrowdown}(n)?!function(t){return _o(t)==$d}(e)?n===ko.enter&&(r=this._handleEnterKey(e.shiftKey)):r=this._selectAllNestedEditableContent()||this._selectAllContent():r=this._handleArrowKeys(o),r&&(e.preventDefault(),t.stop())}_handleDelete(t){if(this.editor.isReadOnly)return;const e=this.editor.model.document.selection;if(!e.isCollapsed)return;const n=this._getObjectElementNextToSelection(t);return n?(this.editor.model.change(t=>{let i=e.anchor.parent;for(;i.isEmpty;){const e=i;i=e.parent,t.remove(e)}this._setSelectionOverElement(n)}),!0):void 0}_handleArrowKeys(t){const e=this.editor.model,n=e.schema,i=e.document.selection,o=i.getSelectedElement();if(o&&n.isObject(o)){const o=t?i.getLastPosition():i.getFirstPosition(),r=n.getNearestSelectionRange(o,t?"forward":"backward");return r&&e.change(t=>{t.setSelection(r)}),!0}if(!i.isCollapsed)return;const r=this._getObjectElementNextToSelection(t);return r&&n.isObject(r)?(this._setSelectionOverElement(r),!0):void 0}_handleEnterKey(t){const e=this.editor.model,n=e.document.selection.getSelectedElement();if(i=n,o=e.schema,i&&o.isObject(i)&&!o.isInline(i))return e.change(i=>{let o=i.createPositionAt(n,t?"before":"after");const r=i.createElement("paragraph");if(e.schema.isBlock(n.parent)){const t=e.schema.findAllowedParent(o,r);o=i.split(o,t).position}i.insert(r,o),i.setSelection(r,"in")}),!0;var i,o;
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/}_selectAllNestedEditableContent(){const t=this.editor.model,e=t.document.selection,n=t.schema.getLimitElement(e);return e.getFirstRange().root!=n&&(t.change(t=>{t.setSelection(t.createRangeIn(n))}),!0)}_selectAllContent(){const t=this.editor.model,e=this.editor.editing,n=e.view.document.selection.getSelectedElement();if(n&&Rd(n)){const i=e.mapper.toModelElement(n.parent);return t.change(t=>{t.setSelection(t.createRangeIn(i))}),!0}return!1}_setSelectionOverElement(t){this.editor.model.change(e=>{e.setSelection(e.createRangeOn(t))})}_getObjectElementNextToSelection(t){const e=this.editor.model,n=e.schema,i=e.document.selection,o=e.createSelection(i);e.modifySelection(o,{direction:t?"forward":"backward"});const r=t?o.focus.nodeBefore:o.focus.nodeAfter;return r&&n.isObject(r)?r:null}_clearPreviouslySelectedWidgets(t){for(const e of this._previouslySelected)t.removeClass(Sd,e);this._previouslySelected.clear()}}function Gd(t,e){return!!e&&Array.from(t.getAncestors()).includes(e)}function Kd(t){return e=>e+t}n(53);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md.
*/const Jd=Kd("px"),Zd=ir.document.body;class Qd extends jl{constructor(t){super(t);const e=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("position","arrow_nw"),this.set("isVisible",!1),this.set("withArrow",!0),this.set("class"),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-panel",e.to("position",t=>`ck-balloon-panel_${t}`),e.if("isVisible","ck-balloon-panel_visible"),e.if("withArrow","ck-balloon-panel_with-arrow"),e.to("class")],style:{top:e.to("top",Jd),left:e.to("left",Jd)}},children:this.content})}show(){this.isVisible=!0}hide(){this.isVisible=!1}attachTo(t){this.show();const e=Qd.defaultPositions,n=Object.assign({},{element:this.element,positions:[e.southArrowNorth,e.southArrowNorthWest,e.southArrowNorthEast,e.northArrowSouth,e.northArrowSouthWest,e.northArrowSouthEast],limiter:Zd,fitInViewport:!0},t),i=Qd._getOptimalPosition(n),o=parseInt(i.left),r=parseInt(i.top),s=i.name;Object.assign(this,{top:r,left:o,position:s})}pin(t){this.unpin(),this._pinWhenIsVisibleCallback=()=>{this.isVisible?this._startPinning(t):this._stopPinning()},this._startPinning(t),this.listenTo(this,"change:isVisible",this._pinWhenIsVisibleCallback)}unpin(){this._pinWhenIsVisibleCallback&&(this._stopPinning(),this.stopListening(this,"change:isVisible",this._pinWhenIsVisibleCallback),this._pinWhenIsVisibleCallback=null,this.hide())}_startPinning(t){this.attachTo(t);const e=Yd(t.target),n=t.limiter?Yd(t.limiter):Zd;this.listenTo(ir.document,"scroll",(i,o)=>{const r=o.target,s=e&&r.contains(e),a=n&&r.contains(n);!s&&!a&&e&&n||this.attachTo(t)},{useCapture:!0}),this.listenTo(ir.window,"resize",()=>{this.attachTo(t)})}_stopPinning(){this.stopListening(ir.document,"scroll"),this.stopListening(ir.window,"resize")}}function Yd(t){return Gn(t)?t:xs(t)?t.commonAncestorContainer:"function"==typeof t?Yd(t()):null}function Xd(t,e){return t.top-e.height-Qd.arrowVerticalOffset}function tu(t){return t.bottom+Qd.arrowVerticalOffset}Qd.arrowHorizontalOffset=25,Qd.arrowVerticalOffset=10,Qd._getOptimalPosition=Yl,Qd.defaultPositions={northArrowSouth:(t,e)=>({top:Xd(t,e),left:t.left+t.width/2-e.width/2,name:"arrow_s"}),northArrowSouthEast:(t,e)=>({top:Xd(t,e),left:t.left+t.width/2-e.width+Qd.arrowHorizontalOffset,name:"arrow_se"}),northArrowSouthWest:(t,e)=>({top:Xd(t,e),left:t.left+t.width/2-Qd.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouth:(t,e)=>({top:Xd(t,e),left:t.left-e.width/2,name:"arrow_s"}),northWestArrowSouthWest:(t,e)=>({top:Xd(t,e),left:t.left-Qd.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouthEast:(t,e)=>({top:Xd(t,e),left:t.left-e.width+Qd.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouth:(t,e)=>({top:Xd(t,e),left:t.right-e.width/2,name:"arrow_s"}),northEastArrowSouthEast:(t,e)=>({top:Xd(t,e),left:t.right-e.width+Qd.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouthWest:(t,e)=>({top:Xd(t,e),left:t.right-Qd.arrowHorizontalOffset,name:"arrow_sw"}),southArrowNorth:(t,e)=>({top:tu(t),left:t.left+t.width/2-e.width/2,name:"arrow_n"}),southArrowNorthEast:(t,e)=>({top:tu(t),left:t.left+t.width/2-e.width+Qd.arrowHorizontalOffset,name:"arrow_ne"}),southArrowNorthWest:(t,e)=>({top:tu(t),left:t.left+t.width/2-Qd.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorth:(t,e)=>({top:tu(t),left:t.left-e.width/2,name:"arrow_n"}),southWestArrowNorthWest:(t,e)=>({top:tu(t),left:t.left-Qd.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorthEast:(t,e)=>({top:tu(t),left:t.left-e.width+Qd.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorth:(t,e)=>({top:tu(t),left:t.right-e.width/2,name:"arrow_n"}),southEastArrowNorthEast:(t,e)=>({top:tu(t),left:t.right-e.width+Qd.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorthWest:(t,e)=>({top:tu(t),left:t.right-Qd.arrowHorizontalOffset,name:"arrow_nw"})};var eu='<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>\n',nu='<svg viewBo
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
const iu=Kd("px");class ou extends yd{static get pluginName(){return"ContextualBalloon"}constructor(t){super(t),this.positionLimiter=()=>{const t=this.editor.editing.view,e=t.document.selection.editableElement;return e?t.domConverter.mapViewToDom(e.root):null},this.set("visibleView",null),this.view=new Qd(t.locale),t.ui.view.body.add(this.view),t.ui.focusTracker.add(this.view.element),this._viewToStack=new Map,this._idToStack=new Map,this.set("_numberOfStacks",0),this.set("_singleViewMode",!1),this._rotatorView=this._createRotatorView(),this._fakePanelsView=this._createFakePanelsView()}hasView(t){return Array.from(this._viewToStack.keys()).includes(t)}add(t){if(this.hasView(t.view))throw new Zn.b("contextualballoon-add-view-exist: Cannot add configuration of the same view twice.",[this,t]);const e=t.stackId||"main";if(!this._idToStack.has(e))return this._idToStack.set(e,new Map([[t.view,t]])),this._viewToStack.set(t.view,this._idToStack.get(e)),this._numberOfStacks=this._idToStack.size,void(this._visibleStack&&!t.singleViewMode||this.showStack(e));const n=this._idToStack.get(e);t.singleViewMode&&this.showStack(e),n.set(t.view,t),this._viewToStack.set(t.view,n),n===this._visibleStack&&this._showView(t)}remove(t){if(!this.hasView(t))throw new Zn.b("contextualballoon-remove-view-not-exist: Cannot remove the configuration of a non-existent view.",[this,t]);const e=this._viewToStack.get(t);this._singleViewMode&&this.visibleView===t&&(this._singleViewMode=!1),this.visibleView===t&&(1===e.size?this._idToStack.size>1?this._showNextStack():(this.view.hide(),this.visibleView=null,this._rotatorView.hideView()):this._showView(Array.from(e.values())[e.size-2])),1===e.size?(this._idToStack.delete(this._getStackId(e)),this._numberOfStacks=this._idToStack.size):e.delete(t),this._viewToStack.delete(t)}updatePosition(t){t&&(this._visibleStack.get(this.visibleView).position=t),this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition()}showStack(t){this.visibleStack=t;const e=this._idToStack.get(t);if(!e)throw new Zn.b("contextualballoon-showstack-stack-not-exist: Cannot show a stack that does not exist.",this);this._visibleStack!==e&&this._showView(Array.from(e.values()).pop())}get _visibleStack(){return this._viewToStack.get(this.visibleView)}_getStackId(t){return Array.from(this._idToStack.entries()).find(e=>e[1]===t)[0]}_showNextStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)+1;t[e]||(e=0),this.showStack(this._getStackId(t[e]))}_showPrevStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)-1;t[e]||(e=t.length-1),this.showStack(this._getStackId(t[e]))}_createRotatorView(){const t=new ru(this.editor.locale),e=this.editor.locale.t;return this.view.content.add(t),t.bind("isNavigationVisible").to(this,"_numberOfStacks",this,"_singleViewMode",(t,e)=>!e&&t>1),t.on("change:isNavigationVisible",()=>this.updatePosition(),{priority:"low"}),t.bind("counter").to(this,"visibleView",this,"_numberOfStacks",(t,n)=>{if(n<2)return"";const i=Array.from(this._idToStack.values()).indexOf(this._visibleStack)+1;return e("ar",[i,n])}),t.buttonNextView.on("execute",()=>{t.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showNextStack()}),t.buttonPrevView.on("execute",()=>{t.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showPrevStack()}),t}_createFakePanelsView(){const t=new su(this.editor.locale,this.view);return t.bind("numberOfPanels").to(this,"_numberOfStacks",this,"_singleViewMode",(t,e)=>{return!e&&t>=2?Math.min(t-1,2):0}),t.listenTo(this.view,"change:top",()=>t.updatePosition()),t.listenTo(this.view,"change:left",()=>t.updatePosition()),this.editor.ui.view.body.add(t),t}_showView({view:t,balloonClassName:e="",withArrow:n=!0,singleViewMode:i=!1}){this.view.class=e,this.view.withArrow=n,this._rotatorView.showView(t),this.visibleView=t,this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition(),i&&(this._singleViewMode=!0)}_getBalloonPosition(){let t=Array.from(this._visibleStack.values()).pop().position;return t
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class bu extends yd{static get pluginName(){return"PendingActions"}init(){this.set("hasAny",!1),this._actions=new so({idProperty:"_id"}),this._actions.delegate("add","remove").to(this)}add(t){if("string"!=typeof t)throw new Zn.b("pendingactions-add-invalid-message: The message must be a string.",this);const e=Object.create(Hi);return e.set("message",t),this._actions.add(e),this.hasAny=!0,e}remove(t){this._actions.remove(t),this.hasAny=!!this._actions.length}get first(){return this._actions.get(0)}[Symbol.iterator](){return this._actions[Symbol.iterator]()}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class wu{constructor(){const t=new window.FileReader;this._reader=t,this._data=void 0,this.set("loaded",0),t.onprogress=t=>{this.loaded=t.loaded}}get error(){return this._reader.error}get data(){return this._data}read(t){const e=this._reader;return this.total=t.size,new Promise((n,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()}}di(wu,Hi);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class ku extends yd{static get pluginName(){return"FileRepository"}static get requires(){return[bu]}init(){this.loaders=new so,this.loaders.on("add",()=>this._updatePendingAction()),this.loaders.on("remove",()=>this._updatePendingAction()),this._loadersMap=new Map,this._pendingAction=null,this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",(t,e)=>e?t/e*100:0)}getLoader(t){return this._loadersMap.get(t)||null}createLoader(t){if(!this.createUploadAdapter)return console.warn(Object(Zn.a)("filerepository-no-upload-adapter: Upload adapter is not defined.")),null;const e=new _u(Promise.resolve(t),this.createUploadAdapter);return this.loaders.add(e),this._loadersMap.set(t,e),t instanceof Promise&&e.file.then(t=>{this._loadersMap.set(t,e)}).catch(()=>{}),e.on("change:uploaded",()=>{let t=0;for(const e of this.loaders)t+=e.uploaded;this.uploaded=t}),e.on("change:uploadTotal",()=>{let t=0;for(const e of this.loaders)e.uploadTotal&&(t+=e.uploadTotal);this.uploadTotal=t}),e}destroyLoader(t){const e=t instanceof _u?t:this.getLoader(t);e._destroy(),this.loaders.remove(e),this._loadersMap.forEach((t,n)=>{t===e&&this._loadersMap.delete(n)})}_updatePendingAction(){const t=this.editor.plugins.get(bu);if(this.loaders.length){if(!this._pendingAction){const e=this.editor.t,n=t=>`${e("i")} ${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}}di(ku,Hi);class _u{constructor(t,e){this.id=Xn(),this._filePromiseWrapper=this._createFilePromiseWrapper(t),this._adapter=e(this),this._reader=new wu,this.set("status","idle"),this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",(t,e)=>e?t/e*100:0),this.set("uploadResponse",null)}get file(){return this._filePromiseWrapper?this._filePromiseWrapper.promise.then(t=>this._filePromiseWrapper?t:null):Promise.resolve(null)}get data(){return this._reader.data}read(){if("idle"!=this.status)throw new Zn.b("filerepository-read-wrong-status: You cannot call read if the status is different than idle.",this);return this.status="reading",this.file.then(t=>this._reader.read(t)).then(t=>{if("reading"!==this.status)throw this.status;return this.status="idle",t}).catch(t=>{if("aborted"===t)throw this.status="aborted","aborted";throw this.status="error",this._reader.error?this._reader.error:t})}upload(){if("idle"!=this.status)throw new Zn.b("filerepository-upload-wrong-status: You cannot call upload if the status is different than idle.",this);return this.status="uploading",this.file.then(()=>this._adapter.upload()).then(t=>(this.uploadResponse=t,this.status="idle",t)).catch(t=>{if("aborted"===this.status)throw"aborted";throw this.status="error",t})}abort(){const t=this.status;this.status="aborted",this._filePromiseWrapper.isFulfilled?"reading"==t?this._reader.abort():"uploading"==t&&this._adapter.abort&&this._adapter.abort():(this._filePromiseWrapper.promise.catch(()=>{}),this._filePromiseWrapper.rejecter("aborted")),this._destroy()}_destroy(){this._filePromiseWrapper=void 0,this._reader=void 0,this._adapter=void 0,this.uploadResponse=void 0}_createFilePromiseWrapper(t){const e={};return e.promise=new Promise((n,i)=>{e.rejecter=i,e.isFulfilled=!1,t.then(t=>{e.isFulfilled=!0,n(t)}).catch(t=>{e.isFulfilled=!0,i(t)})}),e}}di(_u,Hi);class vu{constructor(t,e,n){this.loader=t,this.resource=e,this.editor=n}upload(){const t=this.resource;if(!t||!t.uploadAttachments){const e=t?t.name:"Missing context";return console.warn(`uploadAttachments not present on context: ${e}`),Promise.reject("You're not allowed to upload attachments on this resource.")}return this.loader.file.then(e=>t.uploadAttachments([e]).then(t=>(this.editor.model.fire("op:attachment-added",t),this.buildResponse(t[0]))).catch(t=>{console.error("Failed upload %O",t)}))}buildResponse(t){return{default:t.uploadUrl}}abort(){return!1}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class yu extends jl{constructor(t){super(t),this.buttonView=new od(t),this._fileInputView=new xu(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 xu extends jl{constructor(t){super(t),this.set("acceptedType"),this.set("allowMultipleFiles",!1);const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{class:["ck-hidden"],type:"file",tabindex:"-1",accept:e.to("acceptedType"),multiple:e.to("allowMultipleFiles")},on:{change:e.to(()=>{this.element&&this.element.files&&this.element.files.length&&this.fire("done",this.element.files),this.element.value=""})}})}open(){this.element.click()}}var Cu='<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>';
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function Au(t){const e=t.map(t=>t.replace("+","\\+"));return new RegExp(`^image\\/(${e.join("|")})$`)}function Pu(t){return new Promise((e,n)=>{const i=t.getAttribute("src");fetch(i).then(t=>t.blob()).then(t=>{const o=function(t,e){return t.type?t.type:e.match(/data:(image\/\w+);base64/)?e.match(/data:(image\/\w+);base64/)[1].toLowerCase():"image/jpeg"}(t,i),r=function(t,e,n){try{return new File([t],e,{type:n})}catch(t){return null}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(t,`image.${o.replace("image/","")}`,o);r?e(r):n()}).catch(n)})}class Tu extends yd{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("imageUpload",n=>{const i=new yu(n),o=t.commands.get("imageUpload"),r=t.config.get("image.upload.types"),s=Au(r);return i.set({acceptedType:r.map(t=>`image/${t}`).join(","),allowMultipleFiles:!0}),i.buttonView.set({label:e("bh"),icon:Cu,tooltip:!0}),i.buttonView.bind("isEnabled").to(o),i.on("done",(e,n)=>{const i=Array.from(n).filter(t=>s.test(t.type));i.length&&t.execute("imageUpload",{file:i})}),i})}}var Eu='<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 700 250"><rect rx="4"/></svg>';n(59),n(61),n(63);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class Su extends yd{constructor(t){super(t),this.placeholder="data:image/svg+xml;utf8,"+encodeURIComponent(Eu)}init(){this.editor.editing.downcastDispatcher.on("attribute:uploadStatus:image",(...t)=>this.uploadStatusChange(...t))}uploadStatusChange(t,e,n){const i=this.editor,o=e.item,r=o.getAttribute("uploadId");if(!n.consumable.consume(e.item,t.name))return;const s=i.plugins.get(ku),a=r?e.attributeNewValue:null,c=this.placeholder,l=i.editing.mapper.toViewElement(o),d=n.writer;if("reading"==a)return Ru(l,d),void Iu(c,l,d);if("uploading"==a){const t=s.loaders.get(r);return Ru(l,d),void(t?(Ou(l,d),function(t,e,n,i){const o=function(t){const e=t.createUIElement("div",{class:"ck-progress-bar"});return t.setCustomProperty("progressBar",!0,e),e}(e);e.insert(e.createPositionAt(t,"end"),o),n.on("change:uploadedPercent",(t,e,n)=>{i.change(t=>{t.setStyle("width",n+"%",o)})})}(l,d,t,i.editing.view),function(t,e,n){if(n.data){const i=t.getChild(0);e.setAttribute("src",n.data,i)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(l,d,t)):Iu(c,l,d))}"complete"==a&&s.loaders.get(r)&&!go.isEdge&&function(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)}(l,d,i.editing.view),function(t,e){Mu(t,e,"progressBar")}(l,d),Ou(l,d),function(t,e){e.removeClass("ck-appear",t)}(l,d)}}function Ru(t,e){t.hasClass("ck-appear")||e.addClass("ck-appear",t)}function Iu(t,e,n){e.hasClass("ck-image-upload-placeholder")||n.addClass("ck-image-upload-placeholder",e);const i=e.getChild(0);i.getAttribute("src")!==t&&n.setAttribute("src",t,i),Du(e,"placeholder")||n.insert(n.createPositionAfter(i),function(t){const e=t.createUIElement("div",{class:"ck-upload-placeholder-loader"});return t.setCustomProperty("placeholder",!0,e),e}(n))}function Ou(t,e){t.hasClass("ck-image-upload-placeholder")&&e.removeClass("ck-image-upload-placeholder",t),Mu(t,e,"placeholder")}function Du(t,e){for(const n of t.getChildren())if(n.getCustomProperty(e))return n}function Mu(t,e,n){const i=Du(t,n);i&&e.remove(e.createRangeOn(i))}class Nu extends yd{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||""})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Vu{constructor(t){this.files=function(t){const e=t.files?Array.from(t.files):[],n=t.items?Array.from(t.items):[];if(e.length)return e;return n.filter(t=>"file"===t.kind).map(t=>t.getAsFile())}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(t),this._native=t}get types(){return this._native.types}getData(t){return this._native.getData(t)}setData(t,e){this._native.setData(t,e)}}class Fu extends ns{constructor(t){super(t);const e=this.document;function n(t,n){n.preventDefault();const i=n.dropRange?[n.dropRange]:Array.from(e.selection.getRanges()),o=new Yn(e,"clipboardInput");e.fire(o,{dataTransfer:n.dataTransfer,targetRanges:i}),o.stop.called&&n.stopPropagation()}this.domEventType=["paste","copy","cut","drop","dragover"],this.listenTo(e,"paste",n,{priority:"low"}),this.listenTo(e,"drop",n,{priority:"low"})}onDomEvent(t){const e={dataTransfer:new Vu(t.clipboardData?t.clipboardData:t.dataTransfer)};"drop"==t.type&&(e.dropRange=function(t,e){const n=e.target.ownerDocument,i=e.clientX,o=e.clientY;let r;n.caretRangeFromPoint&&n.caretRangeFromPoint(i,o)?r=n.caretRangeFromPoint(i,o):e.rangeParent&&((r=n.createRange()).setStart(e.rangeParent,e.rangeOffset),r.collapse(!0));return r?t.domConverter.domRangeToView(r):t.document.selection.getFirstRange()}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(this.view,t)),this.fire(t.type,t,e)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
const Bu=["figcaption","li"];
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class Lu extends yd{static get pluginName(){return"Clipboard"}init(){const t=this.editor,e=t.model.document,n=t.editing.view,i=n.document;function o(n,o){const r=o.dataTransfer;o.preventDefault();const s=t.data.toView(t.model.getSelectedContent(e.selection));i.fire("clipboardOutput",{dataTransfer:r,content:s,method:n.name})}this._htmlDataProcessor=new dl,n.addObserver(Fu),this.listenTo(i,"clipboardInput",e=>{t.isReadOnly&&e.stop()},{priority:"highest"}),this.listenTo(i,"clipboardInput",(t,e)=>{const i=e.dataTransfer;let o="";i.getData("text/html")?o=
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
function(t){return t.replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g,(t,e)=>1==e.length?" ":e)}(i.getData("text/html")):i.getData("text/plain")&&(o=function(t){return(t=t.replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/\n/g,"</p><p>").replace(/^\s/,"&nbsp;").replace(/\s$/,"&nbsp;").replace(/\s\s/g," &nbsp;")).indexOf("</p><p>")>-1&&(t=`<p>${t}</p>`),t}(i.getData("text/plain"))),o=this._htmlDataProcessor.toView(o),this.fire("inputTransformation",{content:o,dataTransfer:i}),n.scrollToTheSelection()},{priority:"low"}),this.listenTo(this,"inputTransformation",(t,e)=>{if(!e.content.isEmpty){const t=this.editor.data,n=this.editor.model,i=t.toModel(e.content,"$clipboardHolder");if(0==i.childCount)return;n.insertContent(i)}},{priority:"low"}),this.listenTo(i,"copy",o,{priority:"low"}),this.listenTo(i,"cut",(e,n)=>{t.isReadOnly?n.preventDefault():o(e,n)},{priority:"low"}),this.listenTo(i,"clipboardOutput",(n,i)=>{i.content.isEmpty||(i.dataTransfer.setData("text/html",this._htmlDataProcessor.toData(i.content)),i.dataTransfer.setData("text/plain",function t(e){let n="";if(e.is("text")||e.is("textProxy"))n=e.data;else if(e.is("img")&&e.hasAttribute("alt"))n=e.getAttribute("alt");else{let i=null;for(const o of e.getChildren()){const e=t(o);i&&(i.is("containerElement")||o.is("containerElement"))&&(Bu.includes(i.name)||Bu.includes(o.name)?n+="\n":n+="\n\n"),n+=e,i=o}}return n}(i.content))),"cut"==i.method&&t.model.deleteContent(e.selection)},{priority:"low"})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class zu{createDocumentFragment(t){return new Po(t)}createElement(t,e,n){return new vi(t,e,n)}createText(t){return new mi(t)}clone(t,e=!1){return t._clone(e)}appendChild(t,e){return e._appendChild(t)}insertChild(t,e,n){return n._insertChild(t,e)}removeChildren(t,e,n){return n._removeChildren(t,e)}remove(t){const e=t.parent;return e?this.removeChildren(e.getChildIndex(t),1,e):[]}replace(t,e){const n=t.parent;if(n){const i=n.getChildIndex(t);return this.removeChildren(i,1,n),this.insertChild(i,e,n),!0}return!1}unwrapElement(t){const e=t.parent;if(e){const n=e.getChildIndex(t);this.remove(t),this.insertChild(n,t.getChildren(),e)}}rename(t,e){const n=new vi(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){P(t)&&void 0===n&&(n=e),n._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,n){n._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}createPositionAt(t,e){return to._createAt(t,e)}createPositionAfter(t){return to._createAfter(t)}createPositionBefore(t){return to._createBefore(t)}createRange(t,e){return new eo(t,e)}createRangeOn(t){return eo._createOn(t)}createRangeIn(t){return eo._createIn(t)}createSelection(t,e,n){return new oo(t,e,n)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class qu{constructor(t){this.editor=t,this.set("value",void 0),this.set("isEnabled",!1),this._disableStack=new Set,this.decorate("execute"),this.listenTo(this.editor.model.document,"change",()=>{this.refresh()}),this.on("execute",t=>{this.isEnabled||t.stop()},{priority:"high"}),this.listenTo(t,"change:isReadOnly",(t,e,n)=>{n?this.forceDisabled("readOnlyMode"):this.clearForceDisabled("readOnlyMode")})}refresh(){this.isEnabled=!0}forceDisabled(t){this._disableStack.add(t),1==this._disableStack.size&&(this.on("set:isEnabled",ju,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(t){this._disableStack.delete(t),0==this._disableStack.size&&(this.off("set:isEnabled",ju),this.refresh())}execute(){}destroy(){this.stopListening()}}function ju(t){t.return=!1,t.stop()}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function Hu(t){const e=t.getSelectedElement();return e&&function(t){return!!t.getCustomProperty("image")&&Rd(t)}(e)?e:null}function Uu(t){return!!t&&t.is("image")}function $u(t,e,n={}){const i=t.createElement("image",n),o=Md(e.document.selection,e);e.insertContent(i,o),i.parent&&t.setSelection(i,"on")}function Wu(t){const e=t.schema,n=t.document.selection;return function(t,e,n){const i=function(t,e){const n=Md(t,e).parent;if(n.isEmpty&&!n.is("$root"))return n.parent;return n}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(t,n);return e.checkChild(i,"image")}(n,e,t)&&!function(t,e){const n=t.getSelectedElement();return n&&e.isObject(n)}(n,e)&&function(t){return[...t.focus.getAncestors()].every(t=>!t.is("image"))}(n)}di(qu,Hi);class Gu extends qu{refresh(){this.isEnabled=Wu(this.editor.model)}execute(t){const e=this.editor,n=e.model,i=e.plugins.get(ku);n.change(e=>{const o=Array.isArray(t.file)?t.file:[t.file];for(const t of o)Ku(e,n,i,t)})}}function Ku(t,e,n,i){const o=n.createLoader(i);o&&$u(t,e,{uploadId:o.id})}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Ju extends yd{static get requires(){return[ku,Nu,Lu]}static get pluginName(){return"ImageUploadEditing"}constructor(t){super(t),t.config.define("image",{upload:{types:["jpeg","png","gif","bmp","webp","tiff"]}})}init(){const t=this.editor,e=t.model.document,n=t.model.schema,i=t.conversion,o=t.plugins.get(ku),r=Au(t.config.get("image.upload.types"));n.extend("image",{allowAttributes:["uploadId","uploadStatus"]}),t.commands.add("imageUpload",new Gu(t)),i.for("upcast").attributeToAttribute({view:{name:"img",key:"uploadId"},model:"uploadId"}),this.listenTo(t.editing.view.document,"clipboardInput",(e,n)=>{if(function(t){return Array.from(t.types).includes("text/html")&&""!==t.getData("text/html")}(n.dataTransfer))return;const i=Array.from(n.dataTransfer.files).filter(t=>!!t&&r.test(t.type)),o=n.targetRanges.map(e=>t.editing.mapper.toModelRange(e));t.model.change(n=>{n.setSelection(o),i.length&&(e.stop(),t.model.enqueueChange("default",()=>{t.execute("imageUpload",{file:i})}))})}),this.listenTo(t.plugins.get(Lu),"inputTransformation",(e,n)=>{const i=Array.from(t.editing.view.createRangeIn(n.content)).filter(t=>(function(t){return!(!t.is("element","img")||!t.getAttribute("src"))&&(t.getAttribute("src").match(/^data:image\/\w+;base64,/g)||t.getAttribute("src").match(/^blob:/g))})(t.item)&&!t.item.getAttribute("uploadProcessed")).map(t=>({promise:Pu(t.item),imageElement:t.item}));if(!i.length)return;const r=new zu;for(const t of i){r.setAttribute("uploadProcessed",!0,t.imageElement);const e=o.createLoader(t.promise);e&&(r.setAttribute("src","",t.imageElement),r.setAttribute("uploadId",e.id,t.imageElement))}}),t.editing.view.document.on("dragover",(t,e)=>{e.preventDefault()}),e.on("change",()=>{const n=e.differ.getChanges({includeChangesInGraveyard:!0});for(const e of n)if("insert"==e.type&&"$text"!=e.name){const n=e.position.nodeAfter,i="$graveyard"==e.position.root.rootName;for(const e of Zu(t,n)){const t=e.getAttribute("uploadId");if(!t)continue;const n=o.loaders.get(t);n&&(i?n.abort():"idle"==n.status&&this._readAndUpload(n,e))}}})}_readAndUpload(t,e){const n=this.editor,i=n.model,o=n.locale.t,r=n.plugins.get(ku),s=n.plugins.get(Nu);return i.enqueueChange("transparent",t=>{t.setAttribute("uploadStatus","reading",e)}),t.read().then(()=>{const o=t.upload();if(go.isSafari){const t=n.editing.mapper.toViewElement(e).getChild(0);n.editing.view.once("render",()=>{if(!t.parent)return;const e=n.editing.view.domConverter.mapViewToDom(t.parent);if(!e)return;const i=e.style.display;e.style.display="none",e._ckHack=e.offsetHeight,e.style.display=i})}return i.enqueueChange("transparent",t=>{t.setAttribute("uploadStatus","uploading",e)}),o}).then(t=>{i.enqueueChange("transparent",n=>{n.setAttributes({uploadStatus:"complete",src:t.default},e),this._parseAndSetSrcsetAttributeOnImage(t,e,n)}),a()}).catch(n=>{if("error"!==t.status&&"aborted"!==t.status)throw n;"error"==t.status&&n&&s.showWarning(n,{title:o("aq"),namespace:"upload"}),a(),i.enqueueChange("transparent",t=>{t.remove(e)})});function a(){i.enqueueChange("transparent",t=>{t.removeAttribute("uploadId",e),t.removeAttribute("uploadStatus",e)}),r.destroyLoader(t)}}_parseAndSetSrcsetAttributeOnImage(t,e,n){let i=0;const o=Object.keys(t).filter(t=>{const e=parseInt(t,10);if(!isNaN(e))return i=Math.max(i,e),!0}).map(e=>`${t[e]} ${e}w`).join(", ");""!=o&&n.setAttribute("srcset",{data:o,width:i},e)}}function Zu(t,e){return Array.from(t.model.createRangeOn(e)).filter(t=>t.item.is("image")).map(t=>t.item)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Qu extends yd{static get pluginName(){return"ImageUpload"}static get requires(){return[Ju,Tu,Su]}}const Yu=Symbol("isWpButtonMacroSymbol");function Xu(t){const e=t.getSelectedElement();return!(!e||!function(t){return!!t.getCustomProperty(Yu)&&Rd(t)}(e))}class th extends yd{static get pluginName(){return"OPChildPagesEditing"}static get buttonName(){return"insertChildPages"}init(){const t=this.editor,e=t.model,n=t.conversion;e.schema.register("op-macro-child-pages",{allowWhere:["$block"],allowAttributes:["page"],isBlock:!0,isLimit:!0}),n.for("upcast").elementToElement({view:{name:"macro",classes:"child_pages"},model:(t,e)=>{const n=t.getAttribute("data-page")||"",i="true"==t.getAttribute("data-include-parent");return e.createElement("op-macro-child-pages",{page:n,includeParent:i})}}),n.for("editingDowncast").elementToElement({model:"op-macro-child-pages",view:(t,e)=>this.createMacroViewElement(t,e)}).add(t=>t.on("attribute:page",this.modelAttributeToView.bind(this))).add(t=>t.on("attribute:includeParent",this.modelAttributeToView.bind(this))),n.for("dataDowncast").elementToElement({model:"op-macro-child-pages",view:(t,e)=>{return e.createContainerElement("macro",{class:"child_pages","data-page":t.getAttribute("page")||"","data-include-parent":t.getAttribute("includeParent")||""})}}),t.ui.componentFactory.add(th.buttonName,e=>{const n=new od(e);return n.set({label:window.I18n.t("js.editor.macro.child_pages.button"),withText:!0}),n.on("execute",()=>{t.model.change(e=>{const n=e.createElement("op-macro-child-pages",{});t.model.insertContent(n,t.model.document.selection)})}),n})}modelAttributeToView(t,e,n){const i=e.item;if(!i.is("op-macro-child-pages"))return;n.consumable.consume(e.item,t.name);const o=n.mapper.toViewElement(i);n.writer.remove(n.writer.createRangeIn(o)),this.setPlaceholderContent(n.writer,i,o)}macroLabel(){return window.I18n.t("js.editor.macro.child_pages.text")}pageLabel(t){return t&&t.length>0?t:window.I18n.t("js.editor.macro.child_pages.this_page")}includeParentText(t){return t?` (${window.I18n.t("js.editor.macro.child_pages.include_parent")})`:""}createMacroViewElement(t,e){const n=e.createContainerElement("div",{class:"macro -child_pages"});return this.setPlaceholderContent(e,t,n),function(t,e,n){return e.setCustomProperty(Yu,!0,t),Id(t,e,{label:n})}(n,e,{label:this.macroLabel()})}setPlaceholderContent(t,e,n){const i=e.getAttribute("page"),o=e.getAttribute("includeParent"),r=this.macroLabel(),s=this.pageLabel(i),a=t.createContainerElement("span",{class:"macro-value"});let c=[t.createText(`${r} `)];t.insert(t.createPositionAt(a,0),t.createText(`${s}`)),c.push(a),c.push(t.createText(this.includeParentText(o))),t.insert(t.createPositionAt(n,0),c)}}class eh extends yd{static get requires(){return[ou]}static get pluginName(){return"OPChildPagesToolbar"}init(){const t=this.editor,e=this.editor.model,n=zd(t);cu(t,"opEditChildPagesMacroButton",t=>{const i=n.services.macros,o=t.getAttribute("page"),r=t.getAttribute("includeParent"),s=o&&o.length>0?o:"";i.configureChildPages(s,r).then(n=>e.change(e=>{e.setAttribute("page",n.page,t),e.setAttribute("includeParent",n.includeParent,t)}))})}afterInit(){du(this,this.editor,"OPChildPages",Xu)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
function*nh(t,e){for(const n of e)n&&t.getAttributeProperties(n[0]).copyOnEnter&&(yield n)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class ih extends qu{execute(){const t=this.editor.model,e=t.document;t.change(n=>{!function(t,e,n,i){const o=n.isCollapsed,r=n.getFirstRange(),s=r.start.parent,a=r.end.parent;if(i.isLimit(s)||i.isLimit(a))return void(o||s!=a||t.deleteContent(n));if(o){const t=nh(e.model.schema,n.getAttributes());oh(e,r.start),e.setSelectionAttribute(t)}else{const i=!(r.start.isAtStart&&r.end.isAtEnd),o=s==a;t.deleteContent(n,{leaveUnmerged:i}),i&&(o?oh(e,n.focus):e.setSelection(a,0))}}(this.editor.model,n,e.selection,t.schema),this.fire("afterExecute",{writer:n})})}}function oh(t,e){t.split(e),t.setSelection(e.parent.nextSibling,0)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class rh extends pr{constructor(t){super(t);const e=this.document;e.on("keydown",(t,n)=>{if(this.isEnabled&&n.keyCode==ko.enter){let i;e.once("enter",t=>i=t,{priority:"highest"}),e.fire("enter",new es(e,n.domEvent,{isSoft:n.shiftKey})),i&&i.stop.called&&t.stop()}})}observe(){}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class sh extends yd{static get pluginName(){return"Enter"}init(){const t=this.editor,e=t.editing.view,n=e.document;e.addObserver(rh),t.commands.add("enter",new ih(t)),this.listenTo(n,"enter",(n,i)=>{i.preventDefault(),i.isSoft||(t.execute("enter"),e.scrollToTheSelection())},{priority:"low"})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class ah extends qu{execute(){const t=this.editor.model,e=t.document;t.change(n=>{!function(t,e,n){const i=n.isCollapsed,o=n.getFirstRange(),r=o.start.parent,s=o.end.parent,a=r==s;if(i){const i=nh(t.schema,n.getAttributes());ch(e,o.end),e.removeSelectionAttribute(n.getAttributeKeys()),e.setSelectionAttribute(i)}else{const i=!(o.start.isAtStart&&o.end.isAtEnd);t.deleteContent(n,{leaveUnmerged:i}),a?ch(e,n.focus):i&&e.setSelection(s,0)}}(t,n,e.selection),this.fire("afterExecute",{writer:n})})}refresh(){const t=this.editor.model,e=t.document;this.isEnabled=function(t,e){if(e.rangeCount>1)return!1;const n=e.anchor;if(!n||!t.checkChild(n,"softBreak"))return!1;const i=e.getFirstRange(),o=i.start.parent,r=i.end.parent;if((lh(o,t)||lh(r,t))&&o!==r)return!1;return!0}(t.schema,e.selection)}}function ch(t,e){const n=t.createElement("softBreak");t.insert(n,e),t.setSelection(n,"after")}function lh(t,e){return!t.is("rootElement")&&(e.isLimit(t)||lh(t.parent,e))}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class dh extends yd{static get pluginName(){return"ShiftEnter"}init(){const t=this.editor,e=t.model.schema,n=t.conversion,i=t.editing.view,o=i.document;e.register("softBreak",{allowWhere:"$text",isInline:!0}),n.for("upcast").elementToElement({model:"softBreak",view:"br"}),n.for("downcast").elementToElement({model:"softBreak",view:(t,e)=>e.createEmptyElement("br")}),i.addObserver(rh),t.commands.add("shiftEnter",new ah(t)),this.listenTo(o,"enter",(e,n)=>{n.preventDefault(),n.isSoft&&(t.execute("shiftEnter"),i.scrollToTheSelection())},{priority:"low"})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class uh{constructor(t,e=20){this.model=t,this.size=0,this.limit=e,this.isLocked=!1,this._changeCallback=(t,e)=>{"transparent"!=e.type&&e!==this._batch&&this._reset(!0)},this._selectionChangeCallback=()=>{this._reset()},this.model.document.on("change",this._changeCallback),this.model.document.selection.on("change:range",this._selectionChangeCallback),this.model.document.selection.on("change:attribute",this._selectionChangeCallback)}get batch(){return this._batch||(this._batch=this.model.createBatch()),this._batch}input(t){this.size+=t,this.size>=this.limit&&this._reset(!0)}lock(){this.isLocked=!0}unlock(){this.isLocked=!1}destroy(){this.model.document.off("change",this._changeCallback),this.model.document.selection.off("change:range",this._selectionChangeCallback),this.model.document.selection.off("change:attribute",this._selectionChangeCallback)}_reset(t){this.isLocked&&!t||(this._batch=null,this.size=0)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class hh extends qu{constructor(t,e){super(t),this._buffer=new uh(t.model,e),this._batches=new WeakSet}get buffer(){return this._buffer}destroy(){super.destroy(),this._buffer.destroy()}execute(t={}){const e=this.editor.model,n=e.document,i=t.text||"",o=i.length,r=t.range||n.selection.getFirstRange(),s=t.resultRange;e.enqueueChange(this._buffer.batch,t=>{const a=r.isCollapsed;this._buffer.lock(),e.deleteContent(e.createSelection(r)),i&&e.insertContent(t.createText(i,n.selection.getAttributes()),r.start),s?t.setSelection(s):a&&t.setSelection(r.start.getShiftedBy(o)),this._buffer.unlock(),this._buffer.input(o),this._batches.add(this._buffer.batch)})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function fh(t){let e=null;const n=t.model,i=t.editing.view,o=t.commands.get("input");function r(t){const r=n.document,a=i.document.isComposing,c=e&&e.isEqual(r.selection);e=null,o.isEnabled&&(function(t){if(t.ctrlKey)return!0;return ph.includes(t.keyCode)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(t)||r.selection.isCollapsed||a&&229===t.keyCode||!a&&229===t.keyCode&&c||s())}function s(){const t=o.buffer;t.lock(),n.enqueueChange(t.batch,()=>{n.deleteContent(n.document.selection)}),t.unlock()}go.isAndroid?i.document.on("beforeinput",(t,e)=>r(e),{priority:"lowest"}):i.document.on("keydown",(t,e)=>r(e),{priority:"lowest"}),i.document.on("compositionstart",(function(){const t=n.document,e=1!==t.selection.rangeCount||t.selection.getFirstRange().isFlat;if(t.selection.isCollapsed||e)return;s()}),{priority:"lowest"}),i.document.on("compositionend",()=>{e=n.createSelection(n.document.selection)},{priority:"lowest"})}const ph=[_o("arrowUp"),_o("arrowRight"),_o("arrowDown"),_o("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++)ph.push(t);function mh(t){if(t.newChildren.length-t.oldChildren.length!=1)return;const e=function(t,e){const n=[];let i,o=0;return t.forEach(t=>{"equal"==t?(r(),o++):"insert"==t?(s("insert")?i.values.push(e[o]):(r(),i={type:"insert",index:o,values:[e[o]]}),o++):s("delete")?i.howMany++:(r(),i={type:"delete",index:o,howMany:1})}),r(),n;function r(){i&&(n.push(i),i=null)}function s(t){return i&&i.type==t}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(Jo(t.oldChildren,t.newChildren,gh),t.newChildren);if(e.length>1)return;const n=e[0];return n.values[0]&&n.values[0].is("text")?n:void 0}function gh(t,e){return t&&t.is("text")&&e&&e.is("text")?t.data===e.data:t===e}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class bh{constructor(t){this.editor=t,this.editing=this.editor.editing}handle(t,e){if(function(t){if(0==t.length)return!1;for(const e of t)if("children"===e.type&&!mh(e))return!0;return!1}(t))this._handleContainerChildrenMutations(t,e);else for(const n of t)this._handleTextMutation(n,e),this._handleTextNodeInsertion(n)}_handleContainerChildrenMutations(t,e){const n=function(t){const e=t.map(t=>t.node).reduce((t,e)=>t.getCommonAncestor(e,{includeSelf:!0}));if(!e)return;return e.getAncestors({includeSelf:!0,parentFirst:!0}).find(t=>t.is("containerElement")||t.is("rootElement"))}(t);if(!n)return;const i=this.editor.editing.view.domConverter.mapViewToDom(n),o=new ar,r=this.editor.data.toModel(o.domToView(i)).getChild(0),s=this.editor.editing.mapper.toModelElement(n);if(!s)return;const a=Array.from(r.getChildren()),c=Array.from(s.getChildren()),l=a[a.length-1],d=c[c.length-1];l&&l.is("softBreak")&&d&&!d.is("softBreak")&&a.pop();const u=this.editor.model.schema;if(!wh(a,u)||!wh(c,u))return;const h=a.map(t=>t.is("text")?t.data:"@").join("").replace(/\u00A0/g," "),f=c.map(t=>t.is("text")?t.data:"@").join("").replace(/\u00A0/g," ");if(f===h)return;const p=Jo(f,h),{firstChangeAt:m,insertions:g,deletions:b}=kh(p);let w=null;e&&(w=this.editing.mapper.toModelRange(e.getFirstRange()));const k=h.substr(m,g),_=this.editor.model.createRange(this.editor.model.createPositionAt(s,m),this.editor.model.createPositionAt(s,m+b));this.editor.execute("input",{text:k,range:_,resultRange:w})}_handleTextMutation(t,e){if("text"!=t.type)return;const n=t.newText.replace(/\u00A0/g," "),i=t.oldText.replace(/\u00A0/g," ");if(i===n)return;const o=Jo(i,n),{firstChangeAt:r,insertions:s,deletions:a}=kh(o);let c=null;e&&(c=this.editing.mapper.toModelRange(e.getFirstRange()));const l=this.editing.view.createPositionAt(t.node,r),d=this.editing.mapper.toModelPosition(l),u=this.editor.model.createRange(d,d.getShiftedBy(a)),h=n.substr(r,s);this.editor.execute("input",{text:h,range:u,resultRange:c})}_handleTextNodeInsertion(t){if("children"!=t.type)return;const e=mh(t),n=this.editing.view.createPositionAt(t.node,e.index),i=this.editing.mapper.toModelPosition(n),o=e.values[0].data;this.editor.execute("input",{text:o.replace(/\u00A0/g," "),range:this.editor.model.createRange(i)})}}function wh(t,e){return t.every(t=>e.isInline(t))}function kh(t){let e=null,n=null;for(let i=0;i<t.length;i++){"equal"!=t[i]&&(e=null===e?i:e,n=i)}let i=0,o=0;for(let r=e;r<=n;r++)"insert"!=t[r]&&i++,"delete"!=t[r]&&o++;return{insertions:o,deletions:i,firstChangeAt:e}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class _h extends yd{static get pluginName(){return"Input"}init(){const t=this.editor,e=new hh(t,t.config.get("typing.undoStep")||20);t.commands.add("input",e),fh(t),function(t){t.editing.view.document.on("mutations",(e,n,i)=>{new bh(t).handle(n,i)})}(t)}isInput(t){return this.editor.commands.get("input")._batches.has(t)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class vh extends qu{constructor(t,e){super(t),this.direction=e,this._buffer=new uh(t.model,t.config.get("typing.undoStep"))}get buffer(){return this._buffer}execute(t={}){const e=this.editor.model,n=e.document;e.enqueueChange(this._buffer.batch,i=>{this._buffer.lock();const o=i.createSelection(t.selection||n.selection),r=o.isCollapsed;if(o.isCollapsed&&e.modifySelection(o,{direction:this.direction,unit:t.unit}),this._shouldEntireContentBeReplacedWithParagraph(t.sequence||1))return void this._replaceEntireContentWithParagraph(i);if(o.isCollapsed)return;let s=0;o.getFirstRange().getMinimalFlatRanges().forEach(t=>{s+=io(t.getWalker({singleCharacters:!0,ignoreElementEnd:!0,shallow:!0}))}),e.deleteContent(o,{doNotResetEntireContent:r}),this._buffer.input(s),i.setSelection(o),this._buffer.unlock()})}_shouldEntireContentBeReplacedWithParagraph(t){if(t>1)return!1;const e=this.editor.model,n=e.document.selection,i=e.schema.getLimitElement(n);if(!(n.isCollapsed&&n.containsEntireContent(i)))return!1;if(!e.schema.checkChild(i,"paragraph"))return!1;const o=i.getChild(0);return!o||"paragraph"!==o.name}_replaceEntireContentWithParagraph(t){const e=this.editor.model,n=e.document.selection,i=e.schema.getLimitElement(n),o=t.createElement("paragraph");t.remove(t.createRangeIn(i)),t.insert(o,i),t.setSelection(o,0)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class yh extends pr{constructor(t){super(t);const e=t.document;let n=0;function i(t,n,i){let o;e.once("delete",t=>o=t,{priority:Number.POSITIVE_INFINITY}),e.fire("delete",new es(e,n,i)),o&&o.stop.called&&t.stop()}e.on("keyup",(t,e)=>{e.keyCode!=ko.delete&&e.keyCode!=ko.backspace||(n=0)}),e.on("keydown",(t,e)=>{const o={};if(e.keyCode==ko.delete)o.direction="forward",o.unit="character";else{if(e.keyCode!=ko.backspace)return;o.direction="backward",o.unit="codePoint"}const r=go.isMac?e.altKey:e.ctrlKey;o.unit=r?"word":o.unit,o.sequence=++n,i(t,e.domEvent,o)}),go.isAndroid&&e.on("beforeinput",(e,n)=>{if("deleteContentBackward"!=n.domEvent.inputType)return;const o={unit:"codepoint",direction:"backward",sequence:1},r=n.domTarget.ownerDocument.defaultView.getSelection();r.anchorNode==r.focusNode&&r.anchorOffset+1!=r.focusOffset&&(o.selectionToRemove=t.domConverter.domSelectionToView(r)),i(e,n.domEvent,o)})}observe(){}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class xh extends yd{static get pluginName(){return"Delete"}init(){const t=this.editor,e=t.editing.view,n=e.document;if(e.addObserver(yh),t.commands.add("forwardDelete",new vh(t,"forward")),t.commands.add("delete",new vh(t,"backward")),this.listenTo(n,"delete",(n,i)=>{const o={unit:i.unit,sequence:i.sequence};if(i.selectionToRemove){const e=t.model.createSelection(),n=[];for(const e of i.selectionToRemove.getRanges())n.push(t.editing.mapper.toModelRange(e));e.setTo(n),o.selection=e}t.execute("forward"==i.direction?"forwardDelete":"delete",o),i.preventDefault(),e.scrollToTheSelection()}),go.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}})}}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Ch extends yd{static get requires(){return[_h,xh]}static get pluginName(){return"Typing"}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Ah extends ic{get type(){return"noop"}clone(){return new Ah(this.baseVersion)}getReversed(){return new Ah(this.baseVersion+1)}_execute(){}static get className(){return"NoOperation"}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/const Ph=new Map;function Th(t,e,n){let i=Ph.get(t);i||(i=new Map,Ph.set(t,i)),i.set(e,n)}function Eh(t){return[t]}function Sh(t,e,n={}){const i=function(t,e){const n=Ph.get(t);return n&&n.has(e)?n.get(e):Eh}(t.constructor,e.constructor);try{return i(t=t.clone(),e,n)}catch(t){throw t}}function Rh(t,e,n){t=t.slice(),e=e.slice();const i=new Ih(n.document,n.useRelations,n.forceWeakRemove);i.setOriginalOperations(t),i.setOriginalOperations(e);const o=i.originalOperations;if(0==t.length||0==e.length)return{operationsA:t,operationsB:e,originalOperations:o};const r=new WeakMap;for(const e of t)r.set(e,0);const s={nextBaseVersionA:t[t.length-1].baseVersion+1,nextBaseVersionB:e[e.length-1].baseVersion+1,originalOperationsACount:t.length,originalOperationsBCount:e.length};let a=0;for(;a<t.length;){const n=t[a],o=r.get(n);if(o==e.length){a++;continue}const s=e[o],c=Sh(n,s,i.getContext(n,s,!0)),l=Sh(s,n,i.getContext(s,n,!1));i.updateRelation(n,s),i.setOriginalOperations(c,n),i.setOriginalOperations(l,s);for(const t of c)r.set(t,o+l.length);t.splice(a,1,...c),e.splice(o,1,...l)}if(n.padWithNoOps){const n=t.length-s.originalOperationsACount,i=e.length-s.originalOperationsBCount;Dh(t,i-n),Dh(e,n-i)}return Oh(t,s.nextBaseVersionB),Oh(e,s.nextBaseVersionA),{operationsA:t,operationsB:e,originalOperations:o}}class Ih{constructor(t,e,n=!1){this.originalOperations=new Map,this._history=t.history,this._useRelations=e,this._forceWeakRemove=!!n,this._relations=new Map}setOriginalOperations(t,e=null){const n=e?this.originalOperations.get(e):null;for(const e of t)this.originalOperations.set(e,n||e)}updateRelation(t,e){switch(t.constructor){case mc:switch(e.constructor){case _c:t.targetPosition.isEqual(e.sourcePosition)||e.movedRange.containsPosition(t.targetPosition)?this._setRelation(t,e,"insertAtSource"):t.targetPosition.isEqual(e.deletionPosition)?this._setRelation(t,e,"insertBetween"):t.targetPosition.isAfter(e.sourcePosition)&&this._setRelation(t,e,"moveTargetAfter");break;case mc:t.targetPosition.isEqual(e.sourcePosition)||t.targetPosition.isBefore(e.sourcePosition)?this._setRelation(t,e,"insertBefore"):this._setRelation(t,e,"insertAfter")}break;case vc:switch(e.constructor){case _c:t.splitPosition.isBefore(e.sourcePosition)&&this._setRelation(t,e,"splitBefore");break;case mc:(t.splitPosition.isEqual(e.sourcePosition)||t.splitPosition.isBefore(e.sourcePosition))&&this._setRelation(t,e,"splitBefore")}break;case _c:switch(e.constructor){case _c:t.targetPosition.isEqual(e.sourcePosition)||this._setRelation(t,e,"mergeTargetNotMoved"),t.sourcePosition.isEqual(e.targetPosition)&&this._setRelation(t,e,"mergeSourceNotMoved"),t.sourcePosition.isEqual(e.sourcePosition)&&this._setRelation(t,e,"mergeSameElement");break;case vc:t.sourcePosition.isEqual(e.splitPosition)&&this._setRelation(t,e,"splitAtSource")}break;case bc:{const n=t.newRange;if(!n)return;switch(e.constructor){case mc:{const i=Zs._createFromPositionAndShift(e.sourcePosition,e.howMany),o=i.containsPosition(n.start)||i.start.isEqual(n.start),r=i.containsPosition(n.end)||i.end.isEqual(n.end);!o&&!r||i.containsRange(n)||this._setRelation(t,e,{side:o?"left":"right",path:o?n.start.path.slice():n.end.path.slice()});break}case _c:{const i=n.start.isEqual(e.targetPosition),o=n.start.isEqual(e.deletionPosition),r=n.end.isEqual(e.deletionPosition),s=n.end.isEqual(e.sourcePosition);(i||o||r||s)&&this._setRelation(t,e,{wasInLeftElement:i,wasStartBeforeMergedElement:o,wasEndBeforeMergedElement:r,wasInRightElement:s});break}}break}}}getContext(t,e,n){return{aIsStrong:n,aWasUndone:this._wasUndone(t),bWasUndone:this._wasUndone(e),abRelation:this._useRelations?this._getRelation(t,e):null,baRelation:this._useRelations?this._getRelation(e,t):null,forceWeakRemove:this._forceWeakRemove}}_wasUndone(t){const e=this.originalOperations.get(t);return e.wasUndone||this._history.isUndoneOperation(e)}_getRelation(t,e){const n=this.originalOperations.get(e),i=this._history.getUndoneOperation(n);if(!i)return null;const o=this.originalOperations.get(t),r=this._relations.get(o);return r&&r.get(i)||null}_setRelation(t
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/Th(fc,fc,(t,e,n)=>{if(t.key===e.key){const i=t.range.getDifference(e.range).map(e=>new fc(e,t.key,t.oldValue,t.newValue,0)),o=t.range.getIntersection(e.range);return o&&n.aIsStrong&&i.push(new fc(o,e.key,e.newValue,t.newValue,0)),0==i.length?[new Ah(0)]:i}return[t]}),Th(fc,gc,(t,e)=>{if(t.range.start.hasSameParentAs(e.position)&&t.range.containsPosition(e.position)){const n=t.range._getTransformedByInsertion(e.position,e.howMany,!e.shouldReceiveAttributes).map(e=>new fc(e,t.key,t.oldValue,t.newValue,t.baseVersion));if(e.shouldReceiveAttributes){const i=Mh(e,t.key,t.oldValue);i&&n.unshift(i)}return n}return t.range=t.range._getTransformedByInsertion(e.position,e.howMany,!1)[0],[t]}),Th(fc,_c,(t,e)=>{const n=[];t.range.start.hasSameParentAs(e.deletionPosition)&&(t.range.containsPosition(e.deletionPosition)||t.range.start.isEqual(e.deletionPosition))&&n.push(Zs._createFromPositionAndShift(e.graveyardPosition,1));const i=t.range._getTransformedByMergeOperation(e);return i.isCollapsed||n.push(i),n.map(e=>new fc(e,t.key,t.oldValue,t.newValue,t.baseVersion))}),Th(fc,mc,(t,e)=>{return function(t,e){const n=Zs._createFromPositionAndShift(e.sourcePosition,e.howMany);let i=null,o=[];n.containsRange(t,!0)?i=t:t.start.hasSameParentAs(n.start)?(o=t.getDifference(n),i=t.getIntersection(n)):o=[t];const r=[];for(let t of o){t=t._getTransformedByDeletion(e.sourcePosition,e.howMany);const n=e.getMovedRangeStart(),i=t.start.hasSameParentAs(n);t=t._getTransformedByInsertion(n,e.howMany,i),r.push(...t)}i&&r.push(i._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany,!1)[0]);return r}(t.range,e).map(e=>new fc(e,t.key,t.oldValue,t.newValue,t.baseVersion))}),Th(fc,vc,(t,e)=>{if(t.range.end.isEqual(e.insertionPosition))return e.graveyardPosition||t.range.end.offset++,[t];if(t.range.start.hasSameParentAs(e.splitPosition)&&t.range.containsPosition(e.splitPosition)){const n=t.clone();return n.range=new Zs(e.moveTargetPosition.clone(),t.range.end._getCombined(e.splitPosition,e.moveTargetPosition)),t.range.end=e.splitPosition.clone(),t.range.end.stickiness="toPrevious",[t,n]}return t.range=t.range._getTransformedBySplitOperation(e),[t]}),Th(gc,fc,(t,e)=>{const n=[t];if(t.shouldReceiveAttributes&&t.position.hasSameParentAs(e.range.start)&&e.range.containsPosition(t.position)){const i=Mh(t,e.key,e.newValue);i&&n.push(i)}return n}),Th(gc,gc,(t,e,n)=>t.position.isEqual(e.position)&&n.aIsStrong?[t]:(t.position=t.position._getTransformedByInsertOperation(e),[t])),Th(gc,mc,(t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t])),Th(gc,vc,(t,e)=>(t.position=t.position._getTransformedBySplitOperation(e),[t])),Th(gc,_c,(t,e)=>(t.position=t.position._getTransformedByMergeOperation(e),[t])),Th(bc,gc,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByInsertOperation(e)[0]),t.newRange&&(t.newRange=t.newRange._getTransformedByInsertOperation(e)[0]),[t])),Th(bc,bc,(t,e,n)=>{if(t.name==e.name){if(!n.aIsStrong)return[new Ah(0)];t.oldRange=e.newRange?e.newRange.clone():null}return[t]}),Th(bc,_c,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByMergeOperation(e)),t.newRange&&(t.newRange=t.newRange._getTransformedByMergeOperation(e)),[t])),Th(bc,mc,(t,e,n)=>{if(t.oldRange&&(t.oldRange=Zs._createFromRanges(t.oldRange._getTransformedByMoveOperation(e))),t.newRange){if(n.abRelation){const i=Zs._createFromRanges(t.newRange._getTransformedByMoveOperation(e));if("left"==n.abRelation.side&&e.targetPosition.isEqual(t.newRange.start))return t.newRange.start.path=n.abRelation.path,t.newRange.end=i.end,[t];if("right"==n.abRelation.side&&e.targetPosition.isEqual(t.newRange.end))return t.newRange.start=i.start,t.newRange.end.path=n.abRelation.path,[t]}t.newRange=Zs._createFromRanges(t.newRange._getTransformedByMoveOperation(e))}return[t]}),Th(bc,vc,(t,e,n)=>{if(t.oldRange&&(t.oldRange=t.oldRange._getTransformedBySplitOperation(e)),t.newRange){if(n.abRelation){const i=t.newRange._getTransformedBySplitOperation(e);return t.newRange.start.isEqual(e.splitPosition)&&n.abRelation.wasStartBeforeMergedElement?t.newRange.start=Js._createAt(e.ins
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Lh extends Fh{execute(t=null){const e=t?this._stack.findIndex(e=>e.batch==t):this._stack.length-1,n=this._stack.splice(e,1)[0],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()}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class zh extends Fh{execute(){const t=this._stack.pop(),e=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(e,()=>{const n=t.batch.operations[t.batch.operations.length-1].baseVersion+1,i=this.editor.model.document.history.getOperations(n);this._restoreSelection(t.selection.ranges,t.selection.isBackward,i),this._undo(t.batch,e)}),this.refresh()}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class qh extends yd{static get pluginName(){return"UndoEditing"}constructor(t){super(t),this._batchRegistry=new WeakSet}init(){const t=this.editor;this._undoCommand=new Lh(t),this._redoCommand=new zh(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,o=this._redoCommand._createdBatches.has(i),r=this._undoCommand._createdBatches.has(i);this._batchRegistry.has(i)||"transparent"==i.type&&!o&&!r||(o?this._undoCommand.addBatch(i):r||(this._undoCommand.addBatch(i),this._redoCommand.clearStack()),this._batchRegistry.add(i))},{priority:"highest"}),this.listenTo(this._undoCommand,"revert",(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 jh='<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>',Hh='<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>';
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class Uh extends yd{init(){const t=this.editor,e=t.locale,n=t.t,i="ltr"==e.uiLanguageDirection?jh:Hh,o="ltr"==e.uiLanguageDirection?Hh:jh;this._addButton("undo",n("bf"),"CTRL+Z",i),this._addButton("redo",n("bg"),"CTRL+Y",o)}_addButton(t,e,n,i){const o=this.editor;o.ui.componentFactory.add(t,r=>{const s=o.commands.get(t),a=new od(r);return a.set({label:e,icon:i,keystroke:n,tooltip:!0}),a.bind("isEnabled").to(s,"isEnabled"),this.listenTo(a,"execute",()=>o.execute(t)),a})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class $h extends yd{static get requires(){return[qh,Uh]}static get pluginName(){return"Undo"}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
const Wh="ckCsrfToken",Gh=40,Kh="abcdefghijklmnopqrstuvwxyz0123456789";function Jh(){let t=function(t){t=t.toLowerCase();const e=document.cookie.split(";");for(const n of e){const e=n.split("=");if(decodeURIComponent(e[0].trim().toLowerCase())===t)return decodeURIComponent(e[1])}return null}(Wh);var e,n;return t&&t.length==Gh||(t=function(t){let e="";const n=new Uint8Array(t);window.crypto.getRandomValues(n);for(let t=0;t<n.length;t++){const i=Kh.charAt(n[t]%Kh.length);e+=Math.random()>.5?i.toUpperCase():i}return e}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(Gh),e=Wh,n=t,document.cookie=encodeURIComponent(e)+"="+encodeURIComponent(n)+";path=/"),t}class Zh{constructor(t,e,n){this.loader=t,this.url=e,this.t=n}upload(){return this.loader.file.then(t=>new Promise((e,n)=>{this._initRequest(),this._initListeners(e,n,t),this._sendRequest(t)}))}abort(){this.xhr&&this.xhr.abort()}_initRequest(){const t=this.xhr=new XMLHttpRequest;t.open("POST",this.url,!0),t.responseType="json"}_initListeners(t,e,n){const i=this.xhr,o=this.loader,r=(0,this.t)("a")+` ${n.name}.`;i.addEventListener("error",()=>e(r)),i.addEventListener("abort",()=>e()),i.addEventListener("load",()=>{const n=i.response;if(!n||!n.uploaded)return e(n&&n.error&&n.error.message?n.error.message:r);t({default:n.url})}),i.upload&&i.upload.addEventListener("progress",t=>{t.lengthComputable&&(o.uploadTotal=t.total,o.uploaded=t.loaded)})}_sendRequest(t){const e=new FormData;e.append("upload",t),e.append("ckCsrfToken",Jh()),this.xhr.send(e)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Qh{static get pluginName(){return"BlockAutoformatEditing"}constructor(t,e,n){let i,o=null;"function"==typeof n?i=n:(o=t.commands.get(n),i=()=>{t.execute(n)}),t.model.document.on("change",(n,r)=>{if(o&&!o.isEnabled)return;if("transparent"==r.type)return;const s=Array.from(t.model.document.differ.getChanges()),a=s[0];if(1!=s.length||"insert"!==a.type||"$text"!=a.name||1!=a.length)return;const c=a.position.textNode||a.position.nodeAfter;if(!c.parent.is("paragraph"))return;const l=e.exec(c.data);l&&t.model.enqueueChange(t=>{const e=t.createPositionAt(c.parent,0),n=t.createPositionAt(c.parent,l[0].length),o=new aa(e,n);!1!==i({match:l})&&t.remove(o),o.detach()})})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function Yh(t,e){let n=t.start;return{text:Array.from(t.getItems()).reduce((t,i)=>i.is("text")||i.is("textProxy")?t+i.data:(n=e.createPositionAfter(i),""),""),range:e.createRange(n,t.end)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Xh{static get pluginName(){return"InlineAutoformatEditing"}constructor(t,e,n){let i,o,r,s;e instanceof RegExp?i=e:r=e,"string"==typeof n?o=n:s=n,r=r||(t=>{let e;const n=[],o=[];for(;null!==(e=i.exec(t))&&!(e&&e.length<4);){let{index:t,1:i,2:r,3:s}=e;const a=i+r+s,c=[t+=e[0].length-a.length,t+i.length],l=[t+i.length+r.length,t+i.length+r.length+s.length];n.push(c),n.push(l),o.push([t+i.length,t+i.length+r.length])}return{remove:n,format:o}}),s=s||((e,n)=>{const i=t.model.schema.getValidRanges(n,o);for(const t of i)e.setAttribute(o,!0,t);e.removeSelectionAttribute(o)}),t.model.document.on("change",(e,n)=>{if("transparent"==n.type)return;const i=t.model,o=i.document.selection;if(!o.isCollapsed)return;const a=Array.from(i.document.differ.getChanges()),c=a[0];if(1!=a.length||"insert"!==c.type||"$text"!=c.name||1!=c.length)return;const l=o.focus,d=l.parent,{text:u,range:h}=Yh(i.createRange(i.createPositionAt(d,0),l),i),f=r(u),p=tf(h.start,f.format,i),m=tf(h.start,f.remove,i);p.length&&m.length&&i.enqueueChange(t=>{if(!1!==s(t,p))for(const e of m.reverse())t.remove(e)})})}}function tf(t,e,n){return e.filter(t=>void 0!==t[0]&&void 0!==t[1]).map(e=>n.createRange(t.getShiftedBy(e[0]),t.getShiftedBy(e[1])))}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function ef(t,e){return(n,i)=>{if(!t.commands.get(e).isEnabled)return!1;const o=t.model.schema.getValidRanges(i,e);for(const t of o)n.setAttribute(e,!0,t);n.removeSelectionAttribute(e)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class nf extends qu{constructor(t,e){super(t),this.attributeKey=e}refresh(){const t=this.editor.model,e=t.document;this.value=this._getValueFromFirstAllowedNode(),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model,n=e.document.selection,i=void 0===t.forceValue?!this.value:t.forceValue;e.change(t=>{if(n.isCollapsed)i?t.setSelectionAttribute(this.attributeKey,!0):t.removeSelectionAttribute(this.attributeKey);else{const o=e.schema.getValidRanges(n.getRanges(),this.attributeKey);for(const e of o)i?t.setAttribute(this.attributeKey,i,e):t.removeAttribute(this.attributeKey,e)}})}_getValueFromFirstAllowedNode(){const t=this.editor.model,e=t.schema,n=t.document.selection;if(n.isCollapsed)return n.hasAttribute(this.attributeKey);for(const t of n.getRanges())for(const n of t.getItems())if(e.checkAttribute(n,this.attributeKey))return n.hasAttribute(this.attributeKey);return!1}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/const of="bold";class rf extends yd{static get pluginName(){return"BoldEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:of}),t.model.schema.setAttributeProperties(of,{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:of,view:"strong",upcastAlso:["b",t=>{const e=t.getStyle("font-weight");return e?"bold"==e||Number(e)>=600?{name:!0,styles:["font-weight"]}:void 0:null}]}),t.commands.add(of,new nf(t,of)),t.keystrokes.set("CTRL+B",of)}}var sf='<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>';
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/const af="bold";class cf extends yd{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(af,n=>{const i=t.commands.get(af),o=new od(n);return o.set({label:e("d"),icon:sf,keystroke:"CTRL+B",tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>t.execute(af)),o})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
const lf="code";class df extends yd{static get pluginName(){return"CodeEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:lf}),t.model.schema.setAttributeProperties(lf,{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:lf,view:"code",upcastAlso:{styles:{"word-wrap":"break-word"}}}),t.commands.add(lf,new nf(t,lf))}}var uf='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M12.5 5.7l5.2 3.9v1.3l-5.6 4c-.1.2-.3.2-.5.2-.3-.1-.6-.7-.6-1l.3-.4 4.7-3.5L11.5 7l-.2-.2c-.1-.3-.1-.6 0-.8.2-.2.5-.4.8-.4a.8.8 0 0 1 .4.1zm-5.2 0L2 9.6v1.3l5.6 4c.1.2.3.2.5.2.3-.1.7-.7.6-1 0-.1 0-.3-.2-.4l-5-3.5L8.2 7l.2-.2c.1-.3.1-.6 0-.8-.2-.2-.5-.4-.8-.4a.8.8 0 0 0-.3.1z"/></svg>';n(14);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
const hf="code";class ff extends yd{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(hf,n=>{const i=t.commands.get(hf),o=new od(n);return o.set({label:e("e"),icon:uf,tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>t.execute(hf)),o})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
const pf="strikethrough";class mf extends yd{static get pluginName(){return"StrikethroughEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:pf}),t.model.schema.setAttributeProperties(pf,{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:pf,view:"s",upcastAlso:["del","strike",{styles:{"text-decoration":"line-through"}}]}),t.commands.add(pf,new nf(t,pf)),t.keystrokes.set("CTRL+SHIFT+X","strikethrough")}}var gf='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7 16.4c-.8-.4-1.5-.9-2.2-1.5a.6.6 0 0 1-.2-.5l.3-.6h1c1 1.2 2.1 1.7 3.7 1.7 1 0 1.8-.3 2.3-.6.6-.4.6-1.2.6-1.3.2-1.2-.9-2.1-.9-2.1h2.1c.3.7.4 1.2.4 1.7v.8l-.6 1.2c-.6.8-1.1 1-1.6 1.2a6 6 0 0 1-2.4.6c-1 0-1.8-.3-2.5-.6zM6.8 9L6 8.3c-.4-.5-.5-.8-.5-1.6 0-.7.1-1.3.5-1.8.4-.6 1-1 1.6-1.3a6.3 6.3 0 0 1 4.7 0 4 4 0 0 1 1.7 1l.3.7c0 .1.2.4-.2.7-.4.2-.9.1-1 0a3 3 0 0 0-1.2-1c-.4-.2-1-.3-2-.4-.7 0-1.4.2-2 .6-.8.6-1 .8-1 1.5 0 .8.5 1 1.2 1.5.6.4 1.1.7 1.9 1H6.8z"/><path d="M3 10.5V9h14v1.5z"/></svg>';
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/const bf="strikethrough";class wf extends yd{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(bf,n=>{const i=t.commands.get(bf),o=new od(n);return o.set({label:e("f"),icon:gf,keystroke:"CTRL+SHIFT+X",tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>t.execute(bf)),o})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
const kf="italic";class _f extends yd{static get pluginName(){return"ItalicEditing"}init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:kf}),t.model.schema.setAttributeProperties(kf,{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:kf,view:"i",upcastAlso:["em",{styles:{"font-style":"italic"}}]}),t.commands.add(kf,new nf(t,kf)),t.keystrokes.set("CTRL+I",kf)}}var vf='<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>';
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/const yf="italic";class xf extends yd{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(yf,n=>{const i=t.commands.get(yf),o=new od(n);return o.set({label:e("g"),icon:vf,keystroke:"CTRL+I",tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>t.execute(yf)),o})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
function Cf(t){const e=t.next();return e.done?null:e.value}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Af extends qu{refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(t={}){const e=this.editor.model,n=e.schema,i=e.document.selection,o=Array.from(i.getSelectedBlocks()),r=void 0===t.forceValue?!this.value:t.forceValue;e.change(t=>{if(r){const e=o.filter(t=>Pf(t)||Ef(n,t));this._applyQuote(t,e)}else this._removeQuote(t,o.filter(Pf))})}_getValue(){const t=Cf(this.editor.model.document.selection.getSelectedBlocks());return!(!t||!Pf(t))}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,n=Cf(t.getSelectedBlocks());return!!n&&Ef(e,n)}_removeQuote(t,e){Tf(t,e).reverse().forEach(e=>{if(e.start.isAtStart&&e.end.isAtEnd)return void t.unwrap(e.start.parent);if(e.start.isAtStart){const n=t.createPositionBefore(e.start.parent);return void t.move(e,n)}e.end.isAtEnd||t.split(e.end);const n=t.createPositionAfter(e.end.parent);t.move(e,n)})}_applyQuote(t,e){const n=[];Tf(t,e).reverse().forEach(e=>{let i=Pf(e.start);i||(i=t.createElement("blockQuote"),t.wrap(e,i)),n.push(i)}),n.reverse().reduce((e,n)=>e.nextSibling==n?(t.merge(t.createPositionAfter(e)),e):n)}}function Pf(t){return"blockQuote"==t.parent.name?t.parent:null}function Tf(t,e){let n,i=0;const o=[];for(;i<e.length;){const r=e[i],s=e[i+1];n||(n=t.createPositionBefore(r)),s&&r.nextSibling==s||(o.push(t.createRange(n,t.createPositionAfter(r))),n=null),i++}return o}function Ef(t,e){const n=t.checkChild(e.parent,"blockQuote"),i=t.checkChild(["$root","blockQuote"],e);return n&&i}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Sf extends yd{static get pluginName(){return"BlockQuoteEditing"}init(){const t=this.editor,e=t.model.schema;t.commands.add("blockQuote",new Af(t)),e.register("blockQuote",{allowWhere:"$block",allowContentOf:"$root"}),e.addChildCheck((t,e)=>{if(t.endsWith("blockQuote")&&"blockQuote"==e.name)return!1}),t.conversion.elementToElement({model:"blockQuote",view:"blockquote"}),t.model.document.registerPostFixer(n=>{const i=t.model.document.differ.getChanges();for(const t of i)if("insert"==t.type){const i=t.position.nodeAfter;if(!i)continue;if(i.is("blockQuote")&&i.isEmpty)return n.remove(i),!0;if(i.is("blockQuote")&&!e.checkChild(t.position,i))return n.unwrap(i),!0;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))return n.unwrap(i),!0}}else if("remove"==t.type){const e=t.position.parent;if(e.is("blockQuote")&&e.isEmpty)return n.remove(e),!0}return!1})}afterInit(){const t=this.editor.commands.get("blockQuote");this.listenTo(this.editor.editing.view.document,"enter",(e,n)=>{const i=this.editor.model.document,o=i.selection.getLastPosition().parent;i.selection.isCollapsed&&o.isEmpty&&t.value&&(this.editor.execute("blockQuote"),this.editor.editing.view.scrollToTheSelection(),n.preventDefault(),e.stop())})}}var Rf='<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>';n(66);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class If extends yd{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("blockQuote",n=>{const i=t.commands.get("blockQuote"),o=new od(n);return o.set({label:e("bk"),icon:Rf,tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>t.execute("blockQuote")),o})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class Of extends qu{refresh(){const t=this.editor.model,e=Cf(t.document.selection.getSelectedBlocks());this.value=!!e&&e.is("paragraph"),this.isEnabled=!!e&&Df(e,t.schema)}execute(t={}){const e=this.editor.model,n=e.document;e.change(i=>{const o=(t.selection||n.selection).getSelectedBlocks();for(const t of o)!t.is("paragraph")&&Df(t,e.schema)&&i.rename(t,"paragraph")})}}function Df(t,e){return e.checkChild(t.parent,"paragraph")&&!e.isObject(t)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Mf extends yd{static get pluginName(){return"Paragraph"}init(){const t=this.editor,e=t.model,n=t.data;t.commands.add("paragraph",new Of(t)),e.schema.register("paragraph",{inheritAllFrom:"$block"}),t.conversion.elementToElement({model:"paragraph",view:"p"}),t.conversion.for("upcast").elementToElement({model:(t,e)=>Mf.paragraphLikeElements.has(t.name)?t.isEmpty?null:e.createElement("paragraph"):null,converterPriority:"low"}),n.upcastDispatcher.on("element",(t,e,n)=>{n.consumable.test(e.viewItem,{name:e.viewItem.name})&&Vf(e.viewItem,e.modelCursor,n.schema)&&Object.assign(e,Nf(e.viewItem,e.modelCursor,n))},{priority:"low"}),n.upcastDispatcher.on("text",(t,e,n)=>{e.modelRange||Vf(e.viewItem,e.modelCursor,n.schema)&&Object.assign(e,Nf(e.viewItem,e.modelCursor,n))},{priority:"lowest"}),e.document.registerPostFixer(t=>this._autoparagraphEmptyRoots(t)),t.data.on("ready",()=>{e.enqueueChange("transparent",t=>this._autoparagraphEmptyRoots(t))},{priority:"lowest"})}_autoparagraphEmptyRoots(t){const e=this.editor.model;for(const n of e.document.getRootNames()){const i=e.document.getRoot(n);if(i.isEmpty&&"$graveyard"!=i.rootName&&e.schema.checkChild(i,"paragraph"))return t.insertElement("paragraph",i),!0}}}function Nf(t,e,n){const i=n.writer.createElement("paragraph");return n.writer.insert(i,e),n.convertItem(t,n.writer.createPositionAt(i,0))}function Vf(t,e,n){const i=n.createContext(e);return!!n.checkChild(i,"paragraph")&&!!n.checkChild(i.push("paragraph"),t)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/Mf.paragraphLikeElements=new Set(["blockquote","dd","div","dt","h1","h2","h3","h4","h5","h6","li","p","td"]);class Ff extends qu{constructor(t,e){super(t),this.modelElements=e}refresh(){const t=Cf(this.editor.model.document.selection.getSelectedBlocks());this.value=!!t&&this.modelElements.includes(t.name)&&t.name,this.isEnabled=!!t&&this.modelElements.some(e=>Bf(t,e,this.editor.model.schema))}execute(t){const e=this.editor.model,n=e.document,i=t.value;e.change(t=>{const o=Array.from(n.selection.getSelectedBlocks()).filter(t=>Bf(t,i,e.schema));for(const e of o)e.is(i)||t.rename(e,i)})}}function Bf(t,e,n){return n.checkChild(t.parent,e)&&!n.isObject(t)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/const Lf="paragraph";class zf extends yd{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[Mf]}init(){const t=this.editor,e=t.config.get("heading.options"),n=[];for(const i of e)i.model!==Lf&&(t.model.schema.register(i.model,{inheritAllFrom:"$block"}),t.conversion.elementToElement(i),n.push(i.model));this._addDefaultH1Conversion(t),t.commands.add("heading",new Ff(t,n))}afterInit(){const t=this.editor,e=t.commands.get("enter"),n=t.config.get("heading.options");e&&this.listenTo(e,"afterExecute",(e,i)=>{const o=t.model.document.selection.getFirstPosition().parent;n.some(t=>o.is(t.model))&&!o.is(Lf)&&0===o.childCount&&i.writer.rename(o,Lf)})}_addDefaultH1Conversion(t){t.conversion.for("upcast").elementToElement({model:"heading1",view:"h1",converterPriority:ti.get("low")+1})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class qf{constructor(t,e){e&&Bi(this,e),t&&this.set(t)}}di(qf,Hi);n(15);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class jf extends yd{init(){const t=this.editor,e=t.t,n=
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
function(t){const e=t.t,n={Paragraph:e("bl"),"Heading 1":e("bm"),"Heading 2":e("bn"),"Heading 3":e("bo"),"Heading 4":e("bp"),"Heading 5":e("bq"),"Heading 6":e("br")};return t.config.get("heading.options").map(t=>{const e=n[t.title];return e&&e!=t.title&&(t.title=e),t})}(t),i=e("bi"),o=e("bj");t.ui.componentFactory.add("heading",e=>{const r={},s=new so,a=t.commands.get("heading"),c=t.commands.get("paragraph"),l=[a];for(const t of n){const e={type:"button",model:new qf({label:t.title,class:t.class,withText:!0})};"paragraph"===t.model?(e.model.bind("isOn").to(c,"value"),e.model.set("commandName","paragraph"),l.push(c)):(e.model.bind("isOn").to(a,"value",e=>e===t.model),e.model.set({commandName:"heading",commandValue:t.model})),s.add(e),r[t.model]=t.title}const d=hd(e);return pd(d,s),d.buttonView.set({isOn:!1,withText:!0,tooltip:o}),d.extendTemplate({attributes:{class:["ck-heading-dropdown"]}}),d.bind("isEnabled").toMany(l,"isEnabled",(...t)=>t.some(t=>t)),d.buttonView.bind("label").to(a,"value",c,"value",(t,e)=>{const n=t||e&&"paragraph";return r[n]?r[n]:i}),this.listenTo(d,"execute",e=>{t.execute(e.source.commandName,e.source.commandValue?{value:e.source.commandValue}:void 0),t.editing.view.focus()}),d})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class Hf extends pr{constructor(t){super(t),this._observedElements=new Set}observe(t,e){this.document.getRoot(e).on("change:children",(e,n)=>{this.view.once("render",()=>this._updateObservedElements(t,n))})}_updateObservedElements(t,e){if(!e.is("element")||e.is("attributeElement"))return;const n=this.view.domConverter.mapViewToDom(e);if(n){for(const t of n.querySelectorAll("img"))this._observedElements.has(t)||(this.listenTo(t,"load",(t,e)=>this._fireEvents(e)),this._observedElements.add(t));for(const e of this._observedElements)t.contains(e)||(this.stopListening(e),this._observedElements.delete(e))}}_fireEvents(t){this.isEnabled&&(this.document.fire("layoutChanged"),this.document.fire("imageLoaded",t))}destroy(){this._observedElements.clear(),super.destroy()}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function Uf(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,o=n.mapper.toViewElement(e.item).getChild(0);null!==e.attributeNewValue?i.setAttribute(e.attributeKey,e.attributeNewValue,o):i.removeAttribute(e.attributeKey,o)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class $f extends qu{refresh(){this.isEnabled=Wu(this.editor.model)}execute(t){const e=this.editor.model;e.change(n=>{const i=Array.isArray(t.source)?t.source:[t.source];for(const t of i)$u(n,e,{src:t})})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Wf extends yd{static get pluginName(){return"ImageEditing"}init(){const t=this.editor,e=t.model.schema,n=t.t,i=t.conversion;t.editing.view.addObserver(Hf),e.register("image",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["alt","src","srcset"]}),i.for("dataDowncast").elementToElement({model:"image",view:(t,e)=>Gf(e)}),i.for("editingDowncast").elementToElement({model:"image",view:(t,e)=>(function(t,e,n){return e.setCustomProperty("image",!0,t),Id(t,e,{label:function(){const e=t.getChild(0).getAttribute("alt");return e?`${e} ${n}`:n}})})(Gf(e),e,n("an"))}),i.for("downcast").add(Uf("src")).add(Uf("alt")).add(function(){return e=>{e.on("attribute:srcset:image",t)};function t(t,e,n){if(!n.consumable.consume(e.item,t.name))return;const i=n.writer,o=n.mapper.toViewElement(e.item).getChild(0);if(null===e.attributeNewValue){const t=e.attributeOldValue;t.data&&(i.removeAttribute("srcset",o),i.removeAttribute("sizes",o),t.width&&i.removeAttribute("width",o))}else{const t=e.attributeNewValue;t.data&&(i.setAttribute("srcset",t.data,o),i.setAttribute("sizes","100vw",o),t.width&&i.setAttribute("width",t.width,o))}}}()),i.for("upcast").elementToElement({view:{name:"img",attributes:{src:!0}},model:(t,e)=>e.createElement("image",{src:t.getAttribute("src")})}).attributeToAttribute({view:{name:"img",key:"alt"},model:"alt"}).attributeToAttribute({view:{name:"img",key:"srcset"},model:{key:"srcset",value:t=>{const e={data:t.getAttribute("srcset")};return t.hasAttribute("width")&&(e.width=t.getAttribute("width")),e}}}).add(function(){return e=>{e.on("element:figure",t)};function t(t,e,n){if(!n.consumable.test(e.viewItem,{name:!0,classes:"image"}))return;const i=Array.from(e.viewItem.getChildren()).find(t=>t.is("img"));if(!i||!i.hasAttribute("src")||!n.consumable.test(i,{name:!0}))return;const o=n.convertItem(i,e.modelCursor),r=Cf(o.modelRange.getItems());r&&(n.convertChildren(e.viewItem,n.writer.createPositionAt(r,0)),e.modelRange=o.modelRange,e.modelCursor=o.modelCursor)}}()),t.commands.add("imageInsert",new $f(t))}}function Gf(t){const e=t.createEmptyElement("img"),n=t.createContainerElement("figure",{class:"image"});return t.insert(t.createPositionAt(n,0),e),n}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Kf extends qu{refresh(){const t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=Uu(t),Uu(t)&&t.hasAttribute("alt")?this.value=t.getAttribute("alt"):this.value=!1}execute(t){const e=this.editor.model,n=e.document.selection.getSelectedElement();e.change(e=>{e.setAttribute("alt",t.newValue,n)})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Jf extends yd{static get pluginName(){return"ImageTextAlternativeEditing"}init(){this.editor.commands.add("imageTextAlternative",new Kf(this.editor))}}n(69);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Zf extends jl{constructor(t){super(t),this.set("text"),this.set("for");const e=this.bindTemplate;this.setTemplate({tag:"label",attributes:{class:["ck","ck-label"],for:e.to("for")},children:[{text:e.to("text")}]})}}n(71);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Qf extends jl{constructor(t,e){super(t);const n=`ck-input-${Xn()}`,i=`ck-status-${Xn()}`;this.set("label"),this.set("value"),this.set("isReadOnly",!1),this.set("errorText",null),this.set("infoText",null),this.labelView=this._createLabelView(n),this.inputView=this._createInputView(e,n,i),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-input",o.if("isReadOnly","ck-disabled")]},children:[this.labelView,this.inputView,this.statusView]})}_createLabelView(t){const e=new Zf(this.locale);return e.for=t,e.bind("text").to(this,"label"),e}_createInputView(t,e,n){const i=new t(this.locale,n);return i.id=e,i.ariaDescribedById=n,i.bind("value").to(this),i.bind("isReadOnly").to(this),i.bind("hasError").to(this,"errorText",t=>!!t),i.on("input",()=>{this.errorText=null}),i}_createStatusView(t){const e=new jl(this.locale),n=this.bindTemplate;return e.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-input__status",n.if("errorText","ck-labeled-input__status_error"),n.if("_statusText","ck-hidden",t=>!t)],id:t,role:n.if("errorText","alert")},children:[{text:n.to("_statusText")}]}),e}select(){this.inputView.select()}focus(){this.inputView.focus()}}n(73);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Yf extends jl{constructor(t){super(t),this.set("value"),this.set("id"),this.set("placeholder"),this.set("isReadOnly",!1),this.set("hasError",!1),this.set("ariaDescribedById");const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{type:"text",class:["ck","ck-input","ck-input-text",e.if("hasError","ck-error")],id:e.to("id"),placeholder:e.to("placeholder"),readonly:e.to("isReadOnly"),"aria-invalid":e.if("hasError",!0),"aria-describedby":e.to("ariaDescribedById")},on:{input:e.to("input")}})}render(){super.render();const t=t=>{this.element.value=t||0===t?t:""};t(this.value),this.on("change:value",(e,n,i)=>{t(i)})}select(){this.element.select()}focus(){this.element.focus()}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function Xf({view:t}){t.listenTo(t.element,"submit",(e,n)=>{n.preventDefault(),t.fire("submit")},{useCapture:!0})}var tp='<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>',ep='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.591 10.177l4.243 4.242a1 1 0 0 1-1.415 1.415l-4.242-4.243-4.243 4.243a1 1 0 0 1-1.414-1.415l4.243-4.242L4.52 5.934A1 1 0 0 1 5.934 4.52l4.243 4.243 4.242-4.243a1 1 0 1 1 1.415 1.414l-4.243 4.243z"/></svg>';n(75);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class np extends jl{constructor(t){super(t);const e=this.locale.t;this.focusTracker=new fl,this.keystrokes=new rl,this.labeledInput=this._createLabeledInputView(),this.saveButtonView=this._createButton(e("av"),tp,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(e("aw"),ep,"ck-button-cancel","cancel"),this._focusables=new vl,this._focusCycler=new Wl({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),Xf({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 od(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.extendTemplate({attributes:{class:n}}),i&&o.delegate("execute").to(this,i),o}_createLabeledInputView(){const t=this.locale.t,e=new Qf(this.locale,Yf);return e.label=t("ax"),e.inputView.placeholder=t("ax"),e}}var ip='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M5.085 6.22L2.943 4.078a.75.75 0 1 1 1.06-1.06l2.592 2.59A11.094 11.094 0 0 1 10 5.068c4.738 0 8.578 3.101 8.578 5.083 0 1.197-1.401 2.803-3.555 3.887l1.714 1.713a.75.75 0 0 1-.09 1.138.488.488 0 0 1-.15.084.75.75 0 0 1-.821-.16L6.17 7.304c-.258.11-.51.233-.757.365l6.239 6.24-.006.005.78.78c-.388.094-.78.166-1.174.215l-1.11-1.11h.011L4.55 8.197a7.2 7.2 0 0 0-.665.514l-.112.098 4.897 4.897-.005.006 1.276 1.276a10.164 10.164 0 0 1-1.477-.117l-.479-.479-.009.009-4.863-4.863-.022.031a2.563 2.563 0 0 0-.124.2c-.043.077-.08.158-.108.241a.534.534 0 0 0-.028.133.29.29 0 0 0 .008.072.927.927 0 0 0 .082.226c.067.133.145.26.234.379l3.242 3.365.025.01.59.623c-3.265-.918-5.59-3.155-5.59-4.668 0-1.194 1.448-2.838 3.663-3.93zm7.07.531a4.632 4.632 0 0 1 1.108 5.992l.345.344.046-.018a9.313 9.313 0 0 0 2-1.112c.256-.187.5-.392.727-.613.137-.134.27-.277.392-.431.072-.091.141-.185.203-.286.057-.093.107-.19.148-.292a.72.72 0 0 0 .036-.12.29.29 0 0 0 .008-.072.492.492 0 0 0-.028-.133.999.999 0 0 0-.036-.096 2.165 2.165 0 0 0-.071-.145 2.917 2.917 0 0 0-.125-.2 3.592 3.592 0 0 0-.263-.335 5.444 5.444 0 0 0-.53-.523 7.955 7.955 0 0 0-1.054-.768 9.766 9.766 0 0 0-1.879-.891c-.337-.118-.68-.219-1.027-.301zm-2.85.21l-.069.002a.508.508 0 0 0-.254.097.496.496 0 0 0-.104.679.498.498 0 0 0 .326.199l.045.005c.091.003.181.003.272.012a2.45 2.45 0 0 1 2.017 1.513c.024.061.043.125.069.185a.494.494 0 0 0 .45.287h.008a.496.496 0 0 0 .35-.158.482.482 0 0 0 .13-.335.638.638 0 0 0-.048-.219 3.379 3.379 0 0 0-.36-.723 3.438 3.438 0 0 0-2.791-1.543l-.028-.001h-.013z"/></svg>';
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function op(t){const e=t.editing.view,n=Qd.defaultPositions;return{target:e.domConverter.viewToDom(e.document.selection.getSelectedElement()),positions:[n.northArrowSouth,n.northArrowSouthWest,n.northArrowSouthEast,n.southArrowNorth,n.southArrowNorthWest,n.southArrowNorthEast]}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class rp extends yd{static get requires(){return[ou]}static get pluginName(){return"ImageTextAlternativeUI"}init(){this._createButton(),this._createForm()}destroy(){super.destroy(),this._form.destroy()}_createButton(){const t=this.editor,e=t.t;t.ui.componentFactory.add("imageTextAlternative",n=>{const i=t.commands.get("imageTextAlternative"),o=new od(n);return o.set({label:e("au"),icon:ip,tooltip:!0}),o.bind("isEnabled").to(i,"isEnabled"),this.listenTo(o,"execute",()=>this._showForm()),o})}_createForm(){const t=this.editor,e=t.editing.view.document;this._balloon=this.editor.plugins.get("ContextualBalloon"),this._form=new np(t.locale),this._form.render(),this.listenTo(this._form,"submit",()=>{t.execute("imageTextAlternative",{newValue:this._form.labeledInput.inputView.element.value}),this._hideForm(!0)}),this.listenTo(this._form,"cancel",()=>{this._hideForm(!0)}),this._form.keystrokes.set("Esc",(t,e)=>{this._hideForm(!0),e()}),this.listenTo(t.ui,"update",()=>{Hu(e.selection)?this._isVisible&&function(t){const e=t.plugins.get("ContextualBalloon");if(Hu(t.editing.view.document.selection)){const n=op(t);e.updatePosition(n)}}(t):this._hideForm(!0)}),ud({emitter:this._form,activator:()=>this._isVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideForm()})}_showForm(){if(this._isVisible)return;const t=this.editor,e=t.commands.get("imageTextAlternative"),n=this._form.labeledInput;this._isInBalloon||this._balloon.add({view:this._form,position:op(t)}),n.value=n.inputView.element.value=e.value||"",this._form.labeledInput.select()}_hideForm(t){this._isInBalloon&&(this._form.focusTracker.isFocused&&this._form.saveButtonView.focus(),this._balloon.remove(this._form),t&&this.editor.editing.view.focus())}get _isVisible(){return this._balloon.visibleView===this._form}get _isInBalloon(){return this._balloon.hasView(this._form)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class sp extends yd{static get requires(){return[Jf,rp]}static get pluginName(){return"ImageTextAlternative"}}n(77);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function ap(t){for(const e of t.getChildren())if(e&&e.is("caption"))return e;return null}function cp(t){const e=t.parent;return"figcaption"==t.name&&e&&"figure"==e.name&&e.hasClass("image")?{name:!0}:null}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class lp extends yd{static get pluginName(){return"ImageCaptionEditing"}init(){const t=this.editor,e=t.editing.view,n=t.model.schema,i=t.data,o=t.editing,r=t.t;n.register("caption",{allowIn:"image",allowContentOf:"$block",isLimit:!0}),t.model.document.registerPostFixer(t=>this._insertMissingModelCaptionElement(t)),t.conversion.for("upcast").elementToElement({view:cp,model:"caption"});i.downcastDispatcher.on("insert:caption",dp(t=>t.createContainerElement("figcaption"),!1));const s=
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
function(t,e){return n=>{const i=n.createEditableElement("figcaption");return n.setCustomProperty("imageCaption",!0,i),gl({view:t,element:i,text:e}),Dd(i,n)}}(e,r("ap"));o.downcastDispatcher.on("insert:caption",dp(s)),o.downcastDispatcher.on("insert",this._fixCaptionVisibility(t=>t.item),{priority:"high"}),o.downcastDispatcher.on("remove",this._fixCaptionVisibility(t=>t.position.parent),{priority:"high"}),e.document.registerPostFixer(t=>this._updateCaptionVisibility(t))}_updateCaptionVisibility(t){const e=this.editor.editing.mapper,n=this._lastSelectedCaption;let i;const o=this.editor.model.document.selection,r=o.getSelectedElement();if(r&&r.is("image")){const t=ap(r);i=e.toViewElement(t)}const s=up(o.getFirstPosition().parent);if(s&&(i=e.toViewElement(s)),i)return n?n===i?fp(i,t):(hp(n,t),this._lastSelectedCaption=i,fp(i,t)):(this._lastSelectedCaption=i,fp(i,t));if(n){const e=hp(n,t);return this._lastSelectedCaption=null,e}return!1}_fixCaptionVisibility(t){return(e,n,i)=>{const o=up(t(n)),r=this.editor.editing.mapper,s=i.writer;if(o){const t=r.toViewElement(o);t&&(o.childCount?s.removeClass("ck-hidden",t):s.addClass("ck-hidden",t))}}}_insertMissingModelCaptionElement(t){const e=this.editor.model,n=e.document.differ.getChanges(),i=[];for(const t of n)if("insert"==t.type&&"$text"!=t.name){const n=t.position.nodeAfter;if(n.is("image")&&!ap(n)&&i.push(n),!n.is("image")&&n.childCount)for(const t of e.createRangeIn(n).getItems())t.is("image")&&!ap(t)&&i.push(t)}for(const e of i)t.appendElement("caption",e);return!!i.length}}function dp(t,e=!0){return(n,i,o)=>{const r=i.item;if((r.childCount||e)&&Uu(r.parent)){if(!o.consumable.consume(i.item,"insert"))return;const e=o.mapper.toViewElement(i.range.start.parent),n=t(o.writer),s=o.writer;r.childCount||s.addClass("ck-hidden",n),function(t,e,n,i){const o=i.writer.createPositionAt(n,"end");i.writer.insert(o,t),i.mapper.bindElements(e,t)}(n,i.item,e,o)}}}function up(t){const e=t.getAncestors({includeSelf:!0}).find(t=>"caption"==t.name);return e&&e.parent&&"image"==e.parent.name?e:null}function hp(t,e){return!t.childCount&&!t.hasClass("ck-hidden")&&(e.addClass("ck-hidden",t),!0)}function fp(t,e){return!!t.hasClass("ck-hidden")&&(e.removeClass("ck-hidden",t),!0)}n(79);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class pp extends qu{constructor(t,e){super(t),this.defaultStyle=!1,this.styles=e.reduce((t,e)=>(t[e.name]=e,e.isDefault&&(this.defaultStyle=e.name),t),{})}refresh(){const t=this.editor.model.document.selection.getSelectedElement();if(this.isEnabled=Uu(t),t)if(t.hasAttribute("imageStyle")){const e=t.getAttribute("imageStyle");this.value=!!this.styles[e]&&e}else this.value=this.defaultStyle;else this.value=!1}execute(t){const e=t.value,n=this.editor.model,i=n.document.selection.getSelectedElement();n.change(t=>{this.styles[e].isDefault?t.removeAttribute("imageStyle",i):t.setAttribute("imageStyle",e,i)})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function mp(t,e){for(const n of e)if(n.name===t)return n}var gp='<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>',bp='<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>',wp='<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>',kp='<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>';
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
const _p={full:{name:"full",title:"Full size image",icon:gp,isDefault:!0},side:{name:"side",title:"Side image",icon:kp,className:"image-style-side"},alignLeft:{name:"alignLeft",title:"Left aligned image",icon:bp,className:"image-style-align-left"},alignCenter:{name:"alignCenter",title:"Centered image",icon:wp,className:"image-style-align-center"},alignRight:{name:"alignRight",title:"Right aligned image",icon:kp,className:"image-style-align-right"}},vp={full:gp,left:bp,right:kp,center:wp};function yp(t=[]){return t.map(xp)}function xp(t){if("string"==typeof t){const e=t;_p[e]?t=Object.assign({},_p[e]):(console.warn(Object(Zn.a)("image-style-not-found: There is no such image style of given name."),{name:e}),t={name:e})}else if(_p[t.name]){const e=_p[t.name],n=Object.assign({},t);for(const i in e)t.hasOwnProperty(i)||(n[i]=e[i]);t=n}return"string"==typeof t.icon&&vp[t.icon]&&(t.icon=vp[t.icon]),t}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Cp extends yd{static get pluginName(){return"ImageStyleEditing"}init(){const t=this.editor,e=t.model.schema,n=t.data,i=t.editing;t.config.define("image.styles",["full","side"]);const o=yp(t.config.get("image.styles"));e.extend("image",{allowAttributes:"imageStyle"});const r=function(t){return(e,n,i)=>{if(!i.consumable.consume(n.item,e.name))return;const o=mp(n.attributeNewValue,t),r=mp(n.attributeOldValue,t),s=i.mapper.toViewElement(n.item),a=i.writer;r&&a.removeClass(r.className,s),o&&a.addClass(o.className,s)}}(o);i.downcastDispatcher.on("attribute:imageStyle:image",r),n.downcastDispatcher.on("attribute:imageStyle:image",r),n.upcastDispatcher.on("element:figure",function(t){const e=t.filter(t=>!t.isDefault);return(t,n,i)=>{if(!n.modelRange)return;const o=n.viewItem,r=Cf(n.modelRange.getItems());if(i.schema.checkAttribute(r,"imageStyle"))for(const t of e)i.consumable.consume(o,{classes:t.className})&&i.writer.setAttribute("imageStyle",t.name,r)}}(o),{priority:"low"}),t.commands.add("imageStyle",new pp(t,o))}}n(81);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Ap extends yd{static get pluginName(){return"ImageStyleUI"}get localizedDefaultStylesTitles(){const t=this.editor.t;return{"Full size image":t("ag"),"Side image":t("ah"),"Left aligned image":t("ai"),"Centered image":t("aj"),"Right aligned image":t("ak")}}init(){const t=function(t,e){for(const n of t)e[n.title]&&(n.title=e[n.title]);return t}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(yp(this.editor.config.get("image.styles")),this.localizedDefaultStylesTitles);for(const e of t)this._createButton(e)}_createButton(t){const e=this.editor,n=`imageStyle:${t.name}`;e.ui.componentFactory.add(n,n=>{const i=e.commands.get("imageStyle"),o=new od(n);return o.set({label:t.title,icon:t.icon,tooltip:!0,isToggleable:!0}),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})),o})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class Pp extends yd{static get requires(){return[ou]}static get pluginName(){return"WidgetToolbarRepository"}init(){const t=this.editor;if(t.plugins.has("BalloonToolbar")){const e=t.plugins.get("BalloonToolbar");this.listenTo(e,"show",e=>{(function(t){const e=t.getSelectedElement();return!(!e||!Rd(e))}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/)(t.editing.view.document.selection)&&e.stop()},{priority:"high"})}this._toolbarDefinitions=new Map,this._balloon=this.editor.plugins.get("ContextualBalloon"),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 r=this.editor,s=r.t,a=new gd(r.locale);if(a.ariaLabel=e||s("ad"),this._toolbarDefinitions.has(t))throw new Zn.b("widget-toolbar-duplicated: Toolbar with the given id was already added.",this,{toolbarId:t});a.fillFromConfig(n,r.ui.componentFactory),this._toolbarDefinitions.set(t,{view:a,getRelatedElement:i,balloonClassName:o})}_updateToolbarsVisibility(){let t=0,e=null,n=null;for(const i of this._toolbarDefinitions.values()){const o=i.getRelatedElement(this.editor.editing.view.document.selection);if(this.editor.ui.focusTracker.isFocused)if(o){const r=o.getAncestors().length;r>t&&(t=r,e=o,n=i)}else this._isToolbarInBalloon(i)&&this._hideToolbar(i);else this._isToolbarVisible(i)&&this._hideToolbar(i)}n&&this._showToolbar(n,e)}_hideToolbar(t){this._balloon.remove(t.view),this.stopListening(this._balloon,"change:visibleView")}_showToolbar(t,e){this._isToolbarVisible(t)?Tp(this.editor,e):this._isToolbarInBalloon(t)||(this._balloon.add({view:t.view,position:Ep(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);Tp(this.editor,e)}}))}_isToolbarVisible(t){return this._balloon.visibleView===t.view}_isToolbarInBalloon(t){return this._balloon.hasView(t.view)}}function Tp(t,e){const n=t.plugins.get("ContextualBalloon"),i=Ep(t,e);n.updatePosition(i)}function Ep(t,e){const n=t.editing.view,i=Qd.defaultPositions;return{target:n.domConverter.mapViewToDom(e),positions:[i.northArrowSouth,i.northArrowSouthWest,i.northArrowSouthEast,i.southArrowNorth,i.southArrowNorthWest,i.southArrowNorthEast]}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
function Sp(t,e,n){return n.createRange(Rp(t,e,!0,n),Rp(t,e,!1,n))}function Rp(t,e,n,i){let o=t.textNode||(n?t.nodeBefore:t.nodeAfter),r=null;for(;o&&o.getAttribute("linkHref")==e;)r=o,o=n?o.previousSibling:o.nextSibling;return r?i.createPositionAt(r,n?"before":"after"):t}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Ip extends qu{constructor(t){super(t),this.manualDecorators=new so}restoreManualDecoratorStates(){for(const t of this.manualDecorators)t.value=this._getDecoratorStateFromModel(t.id)}refresh(){const t=this.editor.model,e=t.document;this.value=e.selection.getAttribute("linkHref");for(const t of this.manualDecorators)t.value=this._getDecoratorStateFromModel(t.id);this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"linkHref")}execute(t,e={}){const n=this.editor.model,i=n.document.selection,o=[],r=[];for(const t in e)e[t]?o.push(t):r.push(t);n.change(e=>{if(i.isCollapsed){const s=i.getFirstPosition();if(i.hasAttribute("linkHref")){const a=Sp(s,i.getAttribute("linkHref"),n);e.setAttribute("linkHref",t,a),o.forEach(t=>{e.setAttribute(t,!0,a)}),r.forEach(t=>{e.removeAttribute(t,a)}),e.setSelection(a)}else if(""!==t){const r=zs(i.getAttributes());r.set("linkHref",t),o.forEach(t=>{r.set(t,!0)});const a=e.createText(t,r);n.insertContent(a,s),e.setSelection(e.createRangeOn(a))}}else{const s=n.schema.getValidRanges(i.getRanges(),"linkHref");for(const n of s)e.setAttribute("linkHref",t,n),o.forEach(t=>{e.setAttribute(t,!0,n)}),r.forEach(t=>{e.removeAttribute(t,n)})}})}_getDecoratorStateFromModel(t){return this.editor.model.document.selection.getAttribute(t)||!1}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Op extends qu{refresh(){this.isEnabled=this.editor.model.document.selection.hasAttribute("linkHref")}execute(){const t=this.editor,e=this.editor.model,n=e.document.selection,i=t.commands.get("link");e.change(t=>{const o=n.isCollapsed?[Sp(n.getFirstPosition(),n.getAttribute("linkHref"),e)]:n.getRanges();for(const e of o)if(t.removeAttribute("linkHref",e),i)for(const n of i.manualDecorators)t.removeAttribute(n.id,e)})}}var Dp=function(t,e,n){var i=-1,o=t.length;e<0&&(e=-e>o?0:o+e),(n=n>o?o:n)<0&&(n+=o),o=e>n?0:n-e>>>0,e>>>=0;for(var r=Array(o);++i<o;)r[i]=t[i+e];return r};var Mp=function(t,e,n){var i=t.length;return n=void 0===n?i:n,!e&&n>=i?t:Dp(t,e,n)},Np=RegExp("[\\u200d\\ud800-\\udfff\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff\\ufe0e\\ufe0f]");var Vp=function(t){return Np.test(t)};var Fp=function(t){return t.split("")},Bp="[\\ud800-\\udfff]",Lp="[\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff]",zp="\\ud83c[\\udffb-\\udfff]",qp="[^\\ud800-\\udfff]",jp="(?:\\ud83c[\\udde6-\\uddff]){2}",Hp="[\\ud800-\\udbff][\\udc00-\\udfff]",Up="(?:"+Lp+"|"+zp+")"+"?",$p="[\\ufe0e\\ufe0f]?"+Up+("(?:\\u200d(?:"+[qp,jp,Hp].join("|")+")[\\ufe0e\\ufe0f]?"+Up+")*"),Wp="(?:"+[qp+Lp+"?",Lp,jp,Hp,Bp].join("|")+")",Gp=RegExp(zp+"(?="+zp+")|"+Wp+$p,"g");var Kp=function(t){return t.match(Gp)||[]};var Jp=function(t){return Vp(t)?Kp(t):Fp(t)};var Zp=function(t,e){for(var n=-1,i=null==t?0:t.length,o=Array(i);++n<i;)o[n]=e(t[n],n,t);return o},Qp=1/0,Yp=o?o.prototype:void 0,Xp=Yp?Yp.toString:void 0;var tm=function t(e){if("string"==typeof e)return e;if(Gt(e))return Zp(e,t)+"";if(ss(e))return Xp?Xp.call(e):"";var n=e+"";return"0"==n&&1/e==-Qp?"-0":n};var em=function(t){return null==t?"":tm(t)};var nm=function(t){return function(e){e=em(e);var n=Vp(e)?Jp(e):void 0,i=n?n[0]:e.charAt(0),o=n?Mp(n,1).join(""):e.slice(1);return i[t]()+o}}("toUpperCase");
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
const im=/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g,om=/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i;function rm(t,e){const n=e.createAttributeElement("a",{href:t},{priority:5});return e.setCustomProperty("link",!0,n),n}function sm(t){return function(t){return t.replace(im,"").match(om)}(t=String(t))?t:"#"}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md.
*/
class am{constructor(){this._definitions=new Set}get length(){return this._definitions.size}add(t){Array.isArray(t)?t.forEach(t=>this._definitions.add(t)):this._definitions.add(t)}getDispatcher(){return t=>{t.on("attribute:linkHref",(t,e,n)=>{if(!n.consumable.test(e.item,"attribute:linkHref"))return;const i=n.writer,o=i.document.selection;for(const t of this._definitions){const r=i.createAttributeElement("a",t.attributes,{priority:5});i.setCustomProperty("link",!0,r),t.callback(e.attributeNewValue)?e.item.is("selection")?i.wrap(o.getFirstRange(),r):i.wrap(n.mapper.toViewRange(e.range),r):i.unwrap(n.mapper.toViewRange(e.range),r)}},{priority:"high"})}}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class cm{constructor({id:t,label:e,attributes:n}){this.id=t,this.set("value"),this.label=e,this.attributes=n}}di(cm,Hi);class lm{constructor(t,e,n){this.model=t,this.attribute=n,this._modelSelection=t.document.selection,this._overrideUid=null,this._isNextGravityRestorationSkipped=!1,e.listenTo(this._modelSelection,"change:range",(t,e)=>{this._isNextGravityRestorationSkipped?this._isNextGravityRestorationSkipped=!1:this._isGravityOverridden&&(!e.directChange&&dm(this._modelSelection.getFirstPosition(),n)||this._restoreGravity())})}handleForwardMovement(t,e){const n=this.attribute;if(!(this._isGravityOverridden||t.isAtStart&&this._hasSelectionAttribute))return fm(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._removeSelectionAttribute(),!0):um(t,n)?(this._preventCaretMovement(e),this._overrideGravity(),!0):hm(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._overrideGravity(),!0):void 0}handleBackwardMovement(t,e){const n=this.attribute;return this._isGravityOverridden?fm(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._restoreGravity(),this._removeSelectionAttribute(),!0):(this._preventCaretMovement(e),this._restoreGravity(),t.isAtStart&&this._removeSelectionAttribute(),!0):fm(t,n)&&!this._hasSelectionAttribute?(this._preventCaretMovement(e),this._setSelectionAttributeFromTheNodeBefore(t),!0):t.isAtEnd&&hm(t,n)?this._hasSelectionAttribute?void(pm(t,n)&&(this._skipNextAutomaticGravityRestoration(),this._overrideGravity())):(this._preventCaretMovement(e),this._setSelectionAttributeFromTheNodeBefore(t),!0):t.isAtStart?this._hasSelectionAttribute?(this._removeSelectionAttribute(),this._preventCaretMovement(e),!0):void 0:void(pm(t,n)&&(this._skipNextAutomaticGravityRestoration(),this._overrideGravity()))}get _isGravityOverridden(){return!!this._overrideUid}get _hasSelectionAttribute(){return this._modelSelection.hasAttribute(this.attribute)}_overrideGravity(){this._overrideUid=this.model.change(t=>t.overrideSelectionGravity())}_restoreGravity(){this.model.change(t=>{t.restoreSelectionGravity(this._overrideUid),this._overrideUid=null})}_preventCaretMovement(t){t.preventDefault()}_removeSelectionAttribute(){this.model.change(t=>{t.removeSelectionAttribute(this.attribute)})}_setSelectionAttributeFromTheNodeBefore(t){const e=this.attribute;this.model.change(n=>{n.setSelectionAttribute(this.attribute,t.nodeBefore.getAttribute(e))})}_skipNextAutomaticGravityRestoration(){this._isNextGravityRestorationSkipped=!0}}function dm(t,e){return um(t,e)||hm(t,e)}function um(t,e){const{nodeBefore:n,nodeAfter:i}=t,o=!!n&&n.hasAttribute(e);return!!i&&i.hasAttribute(e)&&(!o||n.getAttribute(e)!==i.getAttribute(e))}function hm(t,e){const{nodeBefore:n,nodeAfter:i}=t,o=!!n&&n.hasAttribute(e),r=!!i&&i.hasAttribute(e);return o&&(!r||n.getAttribute(e)!==i.getAttribute(e))}function fm(t,e){const{nodeBefore:n,nodeAfter:i}=t,o=!!n&&n.hasAttribute(e);if(!!i&&i.hasAttribute(e)&&o)return i.getAttribute(e)!==n.getAttribute(e)}function pm(t,e){return dm(t.getShiftedBy(-1),e)}n(83);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/const mm="ck-link_selected",gm="automatic",bm="manual",wm=/^(https?:)?\/\//;class km extends yd{static get pluginName(){return"LinkEditing"}constructor(t){super(t),t.config.define("link",{addTargetToExternalLinks:!1})}init(){const t=this.editor,e=t.locale;t.model.schema.extend("$text",{allowAttributes:"linkHref"}),t.conversion.for("dataDowncast").attributeToElement({model:"linkHref",view:rm}),t.conversion.for("editingDowncast").attributeToElement({model:"linkHref",view:(t,e)=>rm(sm(t),e)}),t.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:{href:!0}},model:{key:"linkHref",value:t=>t.getAttribute("href")}}),t.commands.add("link",new Ip(t)),t.commands.add("unlink",new Op(t));const n=function(t,e){const n={"Open in a new tab":t("ay"),Downloadable:t("az")};return e.forEach(t=>(t.label&&n[t.label]&&(t.label=n[t.label]),t)),e}(t.t,function(t){const e=[];if(t)for(const[n,i]of Object.entries(t)){const t=Object.assign({},i,{id:`link${nm(n)}`});e.push(t)}return e}(t.config.get("link.decorators")));this._enableAutomaticDecorators(n.filter(t=>t.mode===gm)),this._enableManualDecorators(n.filter(t=>t.mode===bm)),
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
function({view:t,model:e,emitter:n,attribute:i,locale:o}){const r=new lm(e,n,i),s=e.document.selection;n.listenTo(t.document,"keydown",(t,e)=>{if(!s.isCollapsed)return;if(e.shiftKey||e.altKey||e.ctrlKey)return;const n=e.keyCode==ko.arrowright,i=e.keyCode==ko.arrowleft;if(!n&&!i)return;const a=s.getFirstPosition(),c=o.contentLanguageDirection;let l;(l="ltr"===c&&n||"rtl"===c&&i?r.handleForwardMovement(a,e):r.handleBackwardMovement(a,e))&&t.stop()},{priority:ti.get("high")+1})}({view:t.editing.view,model:t.model,emitter:this,attribute:"linkHref",locale:e}),this._setupLinkHighlight()}_enableAutomaticDecorators(t){const e=this.editor,n=new am;e.config.get("link.addTargetToExternalLinks")&&n.add({id:"linkIsExternal",mode:gm,callback:t=>wm.test(t),attributes:{target:"_blank",rel:"noopener noreferrer"}}),n.add(t),n.length&&e.conversion.for("downcast").add(n.getDispatcher())}_enableManualDecorators(t){if(!t.length)return;const e=this.editor,n=e.commands.get("link").manualDecorators;t.forEach(t=>{e.model.schema.extend("$text",{allowAttributes:t.id}),n.add(new cm(t)),e.conversion.for("downcast").attributeToElement({model:t.id,view:(e,i)=>{if(e){const e=n.get(t.id).attributes,o=i.createAttributeElement("a",e,{priority:5});return i.setCustomProperty("link",!0,o),o}}}),e.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:n.get(t.id).attributes},model:{key:t.id}})})}_setupLinkHighlight(){const t=this.editor,e=t.editing.view,n=new Set;e.document.registerPostFixer(e=>{const i=t.model.document.selection;let o=!1;if(i.hasAttribute("linkHref")){const r=Sp(i.getFirstPosition(),i.getAttribute("linkHref"),t.model),s=t.editing.mapper.toViewRange(r);for(const t of s.getItems())t.is("a")&&!t.hasClass(mm)&&(e.addClass(mm,t),n.add(t),o=!0)}return o}),t.conversion.for("editingDowncast").add(t=>{function i(){e.change(t=>{for(const e of n.values())t.removeClass(mm,e),n.delete(e)})}t.on("insert",i,{priority:"highest"}),t.on("remove",i,{priority:"highest"}),t.on("attribute",i,{priority:"highest"}),t.on("selection",i,{priority:"highest"})})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class _m extends ns{constructor(t){super(t),this.domEventType="click"}onDomEvent(t){this.fire(t.type,t)}}n(85);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class vm extends jl{constructor(t,e=[]){super(t);const n=t.t;this.focusTracker=new fl,this.keystrokes=new rl,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(n("av"),tp,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(n("aw"),ep,"ck-button-cancel","cancel"),this._manualDecoratorSwitches=this._createManualDecoratorSwitches(e),this.children=this._createFormChildren(e),this._focusables=new vl,this._focusCycler=new Wl({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});const i=["ck","ck-link-form"];e.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,t),{})}render(){super.render(),Xf({view:this}),[this.urlInputView,...this._manualDecoratorSwitches,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createUrlInput(){const t=this.locale.t,e=new Qf(this.locale,Yf);return e.label=t("be"),e.inputView.placeholder="https://example.com",e}_createButton(t,e,n,i){const o=new od(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.extendTemplate({attributes:{class:n}}),i&&o.delegate("execute").to(this,i),o}_createManualDecoratorSwitches(t){const e=this.createCollection();for(const n of t){const t=new dd(this.locale);t.set({name:n.id,label:n.label,withText:!0}),t.bind("isOn").to(n,"value"),t.on("execute",()=>{n.set("value",!t.isOn)}),e.add(t)}return e}_createFormChildren(t){const e=this.createCollection();if(e.add(this.urlInputView),t.length){const t=new jl;t.setTemplate({tag:"ul",children:this._manualDecoratorSwitches.map(t=>({tag:"li",children:[t],attributes:{class:["ck","ck-list__item"]}})),attributes:{class:["ck","ck-reset","ck-list"]}}),e.add(t)}return e.add(this.saveButtonView),e.add(this.cancelButtonView),e}}var ym='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.077 15l.991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184zm4.919 10.562l-1.414 1.414a.75.75 0 1 1-1.06-1.06l1.414-1.415-1.415-1.414a.75.75 0 0 1 1.061-1.06l1.414 1.414 1.414-1.415a.75.75 0 0 1 1.061 1.061l-1.414 1.414 1.414 1.415a.75.75 0 0 1-1.06 1.06l-1.415-1.414z"/></svg>',xm='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7.3 17.37l-.061.088a1.518 1.518 0 0 1-.934.535l-4.178.663-.806-4.153a1.495 1.495 0 0 1 .187-1.058l.056-.086L8.77 2.639c.958-1.351 2.803-1.076 4.296-.03 1.497 1.047 2.387 2.693 1.433 4.055L7.3 17.37zM9.14 4.728l-5.545 8.346 3.277 2.294 5.544-8.346L9.14 4.728zM6.07 16.512l-3.276-2.295.53 2.73 2.746-.435zM9.994 3.506L13.271 5.8c.316-.452-.16-1.333-1.065-1.966-.905-.634-1.895-.78-2.212-.328zM8 18.5L9.375 17H19v1.5H8z"/></svg>';n(87);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class Cm extends jl{constructor(t){super(t);const e=t.t;this.focusTracker=new fl,this.keystrokes=new rl,this.previewButtonView=this._createPreviewButton(),this.unlinkButtonView=this._createButton(e("ba"),ym,"unlink"),this.editButtonView=this._createButton(e("bb"),xm,"edit"),this.set("href"),this._focusables=new vl,this._focusCycler=new Wl({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-link-actions"],tabindex:"-1"},children:[this.previewButtonView,this.editButtonView,this.unlinkButtonView]})}render(){super.render(),[this.previewButtonView,this.editButtonView,this.unlinkButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createButton(t,e,n){const i=new od(this.locale);return i.set({label:t,icon:e,tooltip:!0}),i.delegate("execute").to(this,n),i}_createPreviewButton(){const t=new od(this.locale),e=this.bindTemplate,n=this.t;return t.set({withText:!0,tooltip:n("bc")}),t.extendTemplate({attributes:{class:["ck","ck-link-actions__preview"],href:e.to("href",t=>t&&sm(t)),target:"_blank"}}),t.bind("label").to(this,"href",t=>t||n("bd")),t.bind("isEnabled").to(this,"href",t=>!!t),t.template.tag="a",t.template.eventListeners={},t}}var Am='<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>';
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/const Pm="Ctrl+K";class Tm extends yd{static get requires(){return[ou]}static get pluginName(){return"LinkUI"}init(){const t=this.editor;t.editing.view.addObserver(_m),this.actionsView=this._createActionsView(),this.formView=this._createFormView(),this._balloon=t.plugins.get(ou),this._createToolbarLinkButton(),this._enableUserBalloonInteractions()}destroy(){super.destroy(),this.formView.destroy()}_createActionsView(){const t=this.editor,e=new Cm(t.locale),n=t.commands.get("link"),i=t.commands.get("unlink");return 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(Pm,(t,e)=>{this._addFormView(),e()}),e}_createFormView(){const t=this.editor,e=t.commands.get("link"),n=new vm(t.locale,e.manualDecorators);return n.urlInputView.bind("value").to(e,"value"),n.urlInputView.bind("isReadOnly").to(e,"isEnabled",t=>!t),n.saveButtonView.bind("isEnabled").to(e),this.listenTo(n,"submit",()=>{t.execute("link",n.urlInputView.inputView.element.value,n.getDecoratorSwitchesState()),this._closeFormView()}),this.listenTo(n,"cancel",()=>{this._closeFormView()}),n.keystrokes.set("Esc",(t,e)=>{this._closeFormView(),e()}),n}_createToolbarLinkButton(){const t=this.editor,e=t.commands.get("link"),n=t.t;t.keystrokes.set(Pm,(t,n)=>{n(),e.isEnabled&&this._showUI(!0)}),t.ui.componentFactory.add("link",t=>{const i=new od(t);return i.isEnabled=!0,i.label=n("ao"),i.icon=Am,i.keystroke=Pm,i.tooltip=!0,i.isToggleable=!0,i.bind("isEnabled").to(e,"isEnabled"),i.bind("isOn").to(e,"value",t=>!!t),this.listenTo(i,"execute",()=>this._showUI(!0)),i})}_enableUserBalloonInteractions(){const t=this.editor.editing.view.document;this.listenTo(t,"click",()=>{this._getSelectedLinkElement()&&this._showUI()}),this.editor.keystrokes.set("Tab",(t,e)=>{this._areActionsVisible&&!this.actionsView.focusTracker.isFocused&&(this.actionsView.focus(),e())},{priority:"high"}),this.editor.keystrokes.set("Esc",(t,e)=>{this._isUIVisible&&(this._hideUI(),e())}),ud({emitter:this.formView,activator:()=>this._isUIInPanel,contextElements:[this._balloon.view.element],callback:()=>this._hideUI()})}_addActionsView(){this._areActionsInPanel||this._balloon.add({view:this.actionsView,position:this._getBalloonPositionData()})}_addFormView(){if(this._isFormInPanel)return;const t=this.editor.commands.get("link");this._balloon.add({view:this.formView,position:this._getBalloonPositionData()}),this._balloon.visibleView===this.formView&&this.formView.urlInputView.select(),this.formView.urlInputView.inputView.element.value=t.value||""}_closeFormView(){const t=this.editor.commands.get("link");t.restoreManualDecoratorStates(),void 0!==t.value?this._removeFormView():this._hideUI()}_removeFormView(){this._isFormInPanel&&(this.formView.saveButtonView.focus(),this._balloon.remove(this.formView),this.editor.editing.view.focus())}_showUI(t=!1){this.editor.commands.get("link").isEnabled&&(this._getSelectedLinkElement()?(this._areActionsVisible?this._addFormView():this._addActionsView(),t&&this._balloon.showStack("main")):(this._addActionsView(),t&&this._balloon.showStack("main"),this._addFormView()),this._startUpdatingUI())}_hideUI(){if(!this._isUIInPanel)return;const t=this.editor;this.stopListening(t.ui,"update"),this.stopListening(this._balloon,"change:visibleView"),t.editing.view.focus(),this._removeFormView(),this._balloon.remove(this.actionsView)}_startUpdatingUI(){const t=this.editor,e=t.editing.view.document;let n=this._getSelectedLinkElement(),i=r();const o=()=>{const t=this._getSelectedLinkElement(),e=r();n&&!t||!n&&e!==i?this._hideUI():this._isUIVisible&&this._balloon.updatePosition(this._getBalloonPositionData()),n=t,i=e};function r(){return e.selection.focus.getAncestors().reverse().find(t=>t.is("element"))}this.listenTo(t.ui,"update",o),this.listenTo(this._balloon,"change:visibleView",o)}get _isFormInPanel(){return this._balloon.hasView(this.formView)}ge
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class Sm extends qu{constructor(t,e){super(t),this.type=e}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model,e=t.document,n=Array.from(e.selection.getSelectedBlocks()).filter(e=>Im(e,t.schema)),i=!0===this.value;t.change(t=>{if(i){let e=n[n.length-1].nextSibling,i=Number.POSITIVE_INFINITY,o=[];for(;e&&"listItem"==e.name&&0!==e.getAttribute("listIndent");){const t=e.getAttribute("listIndent");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)e.is("listItem")&&e.getAttribute("listIndent")<t&&(t=e.getAttribute("listIndent"));Rm(n,!0,t=0===t?1:t),Rm(n,!1,t)}for(const e of n.reverse())i&&"listItem"==e.name?t.rename(e,"paragraph"):i||"listItem"==e.name?i||"listItem"!=e.name||e.getAttribute("listType")==this.type||t.setAttribute("listType",this.type,e):(t.setAttributes({listType:this.type,listIndent:0},e),t.rename(e,"listItem"))})}_getValue(){const t=Cf(this.editor.model.document.selection.getSelectedBlocks());return!!t&&t.is("listItem")&&t.getAttribute("listType")==this.type}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,n=Cf(t.getSelectedBlocks());return!!n&&Im(n,e)}}function Rm(t,e,n){const i=e?t[0]:t[t.length-1];if(i.is("listItem")){let o=i[e?"previousSibling":"nextSibling"],r=i.getAttribute("listIndent");for(;o&&o.is("listItem")&&o.getAttribute("listIndent")>=n;)r>o.getAttribute("listIndent")&&(r=o.getAttribute("listIndent")),o.getAttribute("listIndent")==r&&t[e?"unshift":"push"](o),o=o[e?"previousSibling":"nextSibling"]}}function Im(t,e){return e.checkChild(t.parent,"listItem")&&!e.isObject(t)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Om extends qu{constructor(t,e){super(t),this._indentBy="forward"==e?1:-1}refresh(){this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model,e=t.document;let n=Array.from(e.selection.getSelectedBlocks());t.change(t=>{const e=n[n.length-1];let i=e.nextSibling;for(;i&&"listItem"==i.name&&i.getAttribute("listIndent")>e.getAttribute("listIndent");)n.push(i),i=i.nextSibling;this._indentBy<0&&(n=n.reverse());for(const e of n){const n=e.getAttribute("listIndent")+this._indentBy;n<0?t.rename(e,"paragraph"):t.setAttribute("listIndent",n,e)}})}_checkEnabled(){const t=Cf(this.editor.model.document.selection.getSelectedBlocks());if(!t||!t.is("listItem"))return!1;if(this._indentBy>0){const e=t.getAttribute("listIndent"),n=t.getAttribute("listType");let i=t.previousSibling;for(;i&&i.is("listItem")&&i.getAttribute("listIndent")>=e;){if(i.getAttribute("listIndent")==e)return i.getAttribute("listType")==n;i=i.previousSibling}return!1}return!0}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function Dm(t,e){const n=e.mapper,i=e.writer,o="numbered"==t.getAttribute("listType")?"ol":"ul",r=function(t){const e=t.createContainerElement("li");return e.getFillerOffset=Lm,e}(i),s=i.createContainerElement(o,null);return i.insert(i.createPositionAt(s,0),r),n.bindElements(t,r),r}function Mm(t,e,n,i){const o=e.parent,r=n.mapper,s=n.writer;let a=r.toViewPosition(i.createPositionBefore(t));const c=Fm(t.previousSibling,{sameIndent:!0,smallerIndent:!0,listIndent:t.getAttribute("listIndent")}),l=t.previousSibling;if(c&&c.getAttribute("listIndent")==t.getAttribute("listIndent")){const t=r.toViewElement(c);a=s.breakContainer(s.createPositionAfter(t))}else a=l&&"listItem"==l.name?r.toViewPosition(i.createPositionAt(l,"end")):r.toViewPosition(i.createPositionBefore(t));if(a=Vm(a),s.insert(a,o),l&&"listItem"==l.name){const t=r.toViewElement(l),n=s.createRange(s.createPositionAt(t,0),a).getWalker({ignoreElementEnd:!0});for(const t of n)if(t.item.is("li")){const i=s.breakContainer(s.createPositionBefore(t.item)),o=t.item.parent,r=s.createPositionAt(e,"end");Nm(s,r.nodeBefore,r.nodeAfter),s.move(s.createRangeOn(o),r),n.position=i}}else{const n=o.nextSibling;if(n&&(n.is("ul")||n.is("ol"))){let i=null;for(const e of n.getChildren()){const n=r.toModelElement(e);if(!(n&&n.getAttribute("listIndent")>t.getAttribute("listIndent")))break;i=e}i&&(s.breakContainer(s.createPositionAfter(i)),s.move(s.createRangeOn(i.parent),s.createPositionAt(e,"end")))}}Nm(s,o,o.nextSibling),Nm(s,o.previousSibling,o)}function Nm(t,e,n){return!e||!n||"ul"!=e.name&&"ol"!=e.name?null:e.name!=n.name||e.getAttribute("class")!==n.getAttribute("class")?null:t.mergeContainers(t.createPositionAfter(e))}function Vm(t){return t.getLastMatchingPosition(t=>t.item.is("uiElement"))}function Fm(t,e){const n=!!e.sameIndent,i=!!e.smallerIndent,o=e.listIndent;let r=t;for(;r&&"listItem"==r.name;){const t=r.getAttribute("listIndent");if(n&&o==t||i&&o>t)return r;r=r.previousSibling}return null}function Bm(t,e,n,i){t.ui.componentFactory.add(e,o=>{const r=t.commands.get(e),s=new od(o);return s.set({label:n,icon:i,tooltip:!0,isToggleable:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),s.on("execute",()=>t.execute(e)),s})}function Lm(){const t=!this.isEmpty&&("ul"==this.getChild(0).name||"ol"==this.getChild(0).name);return this.isEmpty||t?0:Ai.call(this)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function zm(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 r=n.item;Mm(r,Dm(r,i),i,t)}}function qm(t,e,n){if(!n.consumable.consume(e.item,"attribute:listType"))return;const i=n.mapper.toViewElement(e.item),o=n.writer;o.breakContainer(o.createPositionBefore(i)),o.breakContainer(o.createPositionAfter(i));const r=i.parent,s="numbered"==e.attributeNewValue?"ol":"ul";o.rename(s,r)}function jm(t,e,n){const i=n.mapper.toViewElement(e.item).parent,o=n.writer;Nm(o,i,i.nextSibling),Nm(o,i.previousSibling,i);for(const t of e.item.getChildren())n.consumable.consume(t,"insert")}function Hm(t,e,n){if("listItem"!=e.item.name){let t=n.mapper.toViewPosition(e.range.start);const i=n.writer,o=[];for(;("ul"==t.parent.name||"ol"==t.parent.name)&&"li"==(t=i.breakContainer(t)).parent.name;){const e=t,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;if(t=i.insert(t,o[e]).end,e>0){const e=Nm(i,n,n.nextSibling);e&&e.parent==n&&t.offset--}}Nm(i,t.nodeBefore,t.nodeAfter)}}}function Um(t,e,n){const i=n.mapper.toViewPosition(e.position),o=i.nodeBefore,r=i.nodeAfter;Nm(n.writer,o,r)}function $m(t,e,n){if(n.consumable.consume(e.viewItem,{name:!0})){const t=n.writer,i=t.createElement("listItem"),o=function(t){let e=0,n=t.parent;for(;n;){if(n.is("li"))e++;else{const t=n.previousSibling;t&&t.is("li")&&e++}n=n.parent}return e}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(e.viewItem);t.setAttribute("listIndent",o,i);const r=e.viewItem.parent&&"ol"==e.viewItem.parent.name?"numbered":"bulleted";t.setAttribute("listType",r,i);const s=n.splitToAllowedParent(i,e.modelCursor);if(!s)return;t.insert(i,s.position);const a=function(t,e,n){const{writer:i,schema:o}=n;let r=i.createPositionAfter(t);for(const s of e)if("ul"==s.name||"ol"==s.name)r=n.convertItem(s,r).modelCursor;else{const e=n.convertItem(s,i.createPositionAt(t,"end")),a=e.modelRange.start.nodeAfter;a&&a.is("element")&&!o.checkChild(t,a.name)&&(t=e.modelCursor.parent.is("listItem")?e.modelCursor.parent:Zm(e.modelCursor),r=i.createPositionAfter(t))}return r}(i,e.viewItem.getChildren(),n);e.modelRange=t.createRange(e.modelCursor,a),s.cursorParent?e.modelCursor=t.createPositionAt(s.cursorParent,0):e.modelCursor=e.modelRange.end}}function Wm(t,e,n){if(n.consumable.test(e.viewItem,{name:!0})){const t=Array.from(e.viewItem.getChildren());for(const e of t){!(e.is("li")||Ym(e))&&e._remove()}}}function Gm(t,e,n){if(n.consumable.test(e.viewItem,{name:!0})){if(0===e.viewItem.childCount)return;const t=[...e.viewItem.getChildren()];let n=!1,i=!0;for(const e of t)n&&!Ym(e)&&e._remove(),e.is("text")?(i&&(e._data=e.data.replace(/^\s+/,"")),e.nextSibling&&!Ym(e.nextSibling)||(e._data=e.data.replace(/\s+$/,""))):Ym(e)&&(n=!0),i=!1}}function Km(t){return(e,n)=>{if(n.isPhantom)return;const i=n.modelPosition.nodeBefore;if(i&&i.is("listItem")){const e=n.mapper.toViewElement(i),o=e.getAncestors().find(Ym),r=t.createPositionAt(e,0).getWalker();for(const t of r){if("elementStart"==t.type&&t.item.is("li")){n.viewPosition=t.previousPosition;break}if("elementEnd"==t.type&&t.item==o){n.viewPosition=t.nextPosition;break}}}}}function Jm(t,[e,n]){let i,o=e.is("documentFragment")?e.getChild(0):e;if(i=n?this.createSelection(n):this.document.selection,o&&o.is("listItem")){const t=i.getFirstPosition();let e=null;if(t.parent.is("listItem")?e=t.parent:t.nodeBefore&&t.nodeBefore.is("listItem")&&(e=t.nodeBefore),e){const t=e.getAttribute("listIndent");if(t>0)for(;o&&o.is("listItem");)o._setAttribute("listIndent",o.getAttribute("listIndent")+t),o=o.nextSibling}}}function Zm(t){const e=new Ws({startPosition:t});let n;do{n=e.next()}while(!n.value.item.is("listItem"));return n.value.item}function Qm(t,e,n,i,o,r){const s=Fm(e.nodeBefore,{sameIndent:!0,smallerIndent:!0,listIndent:t,foo:"b"}),a=o.mapper,c=o.writer,l=s?s.getAttribute("listIndent"):null;let d;if(s)if(l==t){const t=a.toViewElement(s).parent;d=c.createPositionAfter(t)}else{const t=r.createPositionAt(s,"end");d=a.toViewPosition(t)}else d=n;d=Vm(d);for(const t of[...i.getChildren()])Ym(t)&&(d=c.move(c.createRangeOn(t),d).end,Nm(c,t,t.nextSibling),Nm(c,t.previousSibling,t))}function Ym(t){return t.is("ol")||t.is("ul")}class Xm extends yd{static get pluginName(){return"ListEditing"}static get requires(){return[Mf]}init(){const t=this.editor;t.model.schema.register("listItem",{inheritAllFrom:"$block",allowAttributes:["listType","listIndent"]});const e=t.data,n=t.editing;var i;t.model.document.registerPostFixer(e=>(function(t,e){const n=t.document.differ.getChanges(),i=new Map;let o=!1;for(const i of n)if("insert"==i.type&&"listItem"==i.name)r(i.position);else if("insert"==i.type&&"listItem"!=i.name){if("$text"!=i.name){const n=i.position.nodeAfter;n.hasAttribute("listIndent")&&(e.removeAttribute("listIndent",n),o=!0),n.hasAttribute("listType")&&(e.removeAttribute("listType",n),o=!0);for(const e of Array.from(t.createRangeIn(n)).filter(t=>t.item.is("listItem")))r(e.previousPosition)}r(i.position.getShiftedBy(i.length))}else"remove"==i.type&&"listItem"==i.name?r(i.position):"attribute"==i.type&&"listIndent"==i.attributeKey?r(i.range.start):"attribute"==i.type&&"listType"==i.attributeKey&&r(i.range.start);for(const t of i.values())s(t),a(t);return o;function r(t){const e=t.nodeBefore;if(e&&e.is("listItem")){let n=e;if(i.has(n))return;for(;n.previousSibling&&n.previousSibling.is("listItem");)if(n=n.previousSibling,i.has(n))return;i.set(t.nodeBefore,n)}else{const e=t.nodeAfter;e&&e.is("listItem")&&i.set(e,e)}}function s(t){l
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class ig extends yd{init(){const t=this.editor.t;Bm(this.editor,"numberedList",t("ae"),eg),Bm(this.editor,"bulletedList",t("af"),ng)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
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/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
function kg(t,e){let n=e.parent;for(;n;){if(n.name===t)return n;n=n.parent}}function _g(t,e,n,i,o=1){e>o?i.setAttribute(t,e,n):i.removeAttribute(t,n)}function vg(t,e,n={}){const i=t.createElement("tableCell",n);t.insertElement("paragraph",i),t.insert(i,e)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function yg(){return t=>{t.on("element:table",(t,e,n)=>{const i=e.viewItem;if(!n.consumable.test(i,{name:!0}))return;const{rows:o,headingRows:r,headingColumns:s}=function(t){const e={headingRows:0,headingColumns:0},n=[],i=[];let o;for(const r of Array.from(t.getChildren()))if("tbody"===r.name||"thead"===r.name||"tfoot"===r.name){"thead"!==r.name||o||(o=r);const t=Array.from(r.getChildren()).filter(t=>t.is("element","tr"));for(const r of t)if("thead"===r.parent.name&&r.parent===o)e.headingRows++,n.push(r);else{i.push(r);const t=Cg(r);t>e.headingColumns&&(e.headingColumns=t)}}return e.rows=[...n,...i],e}(i),a={};s&&(a.headingColumns=s),r&&(a.headingRows=r);const c=n.writer.createElement("table",a),l=n.splitToAllowedParent(c,e.modelCursor);if(l){if(n.writer.insert(c,l.position),n.consumable.consume(i,{name:!0}),o.length)o.forEach(t=>n.convertItem(t,n.writer.createPositionAt(c,"end")));else{const t=n.writer.createElement("tableRow");n.writer.insert(t,n.writer.createPositionAt(c,"end")),vg(n.writer,n.writer.createPositionAt(t,"end"))}e.modelRange=n.writer.createRange(n.writer.createPositionBefore(c),n.writer.createPositionAfter(c)),l.cursorParent?e.modelCursor=n.writer.createPositionAt(l.cursorParent,0):e.modelCursor=e.modelRange.end}})}}function xg(t){return e=>{e.on(`element:${t}`,(t,e,n)=>{const i=e.viewItem;if(!n.consumable.test(i,{name:!0}))return;const o=n.writer.createElement("tableCell"),r=n.splitToAllowedParent(o,e.modelCursor);if(!r)return;n.writer.insert(o,r.position),n.consumable.consume(i,{name:!0});const s=n.writer.createPositionAt(o,0);n.convertChildren(i,s),o.childCount||n.writer.insertElement("paragraph",s),e.modelRange=n.writer.createRange(n.writer.createPositionBefore(o),n.writer.createPositionAfter(o)),e.modelCursor=e.modelRange.end})}}function Cg(t){let e=0,n=0;const i=Array.from(t.getChildren()).filter(t=>"th"===t.name||"td"===t.name);for(;n<i.length&&"th"===i[n].name;){const t=i[n];e+=parseInt(t.getAttribute("colspan")||1),n++}return e}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Ag{constructor(t,e={}){this.table=t,this.startRow=e.startRow||0,this.endRow="number"==typeof e.endRow?e.endRow:void 0,this.includeSpanned=!!e.includeSpanned,this.column="number"==typeof e.column?e.column:void 0,this._skipRows=new Set,this._row=0,this._column=0,this._cellIndex=0,this._spannedCells=new Map,this._nextCellAtColumn=-1}[Symbol.iterator](){return this}next(){const t=this.table.getChild(this._row);if(!t||this._isOverEndRow())return{done:!0};let e,n,i;if(this._isSpanned(this._row,this._column))e=this._getSpanned(this._row,this._column),n=!this.includeSpanned||this._shouldSkipRow()||this._shouldSkipColumn(),i=this._formatOutValue(e,this._column,!0);else{if(!(e=t.getChild(this._cellIndex)))return this._row++,this._column=0,this._cellIndex=0,this._nextCellAtColumn=-1,this.next();const o=parseInt(e.getAttribute("colspan")||1),r=parseInt(e.getAttribute("rowspan")||1);(o>1||r>1)&&this._recordSpans(this._row,this._column,r,o,e),this._nextCellAtColumn=this._column+o,n=this._shouldSkipRow()||this._shouldSkipColumn(),i=this._formatOutValue(e,this._column,!1,r,o)}return this._column++,this._column==this._nextCellAtColumn&&this._cellIndex++,n?this.next():i}skipRow(t){this._skipRows.add(t)}_isOverEndRow(){return void 0!==this.endRow&&this._row>this.endRow}_formatOutValue(t,e,n,i=1,o=1){return{done:!1,value:{cell:t,row:this._row,column:e,isSpanned:n,rowspan:i,colspan:o,cellIndex:this._cellIndex}}}_shouldSkipRow(){const t=this._row<this.startRow,e=this._skipRows.has(this._row);return t||e}_shouldSkipColumn(){return void 0!==this.column&&this.column!=this._column}_isSpanned(t,e){if(!this._spannedCells.has(t))return!1;return this._spannedCells.get(t).has(e)}_getSpanned(t,e){return this._spannedCells.get(t).get(e)}_recordSpans(t,e,n,i,o){for(let n=e+1;n<=e+i-1;n++)this._markSpannedCell(t,n,o);for(let r=t+1;r<t+n;r++)for(let t=e;t<=e+i-1;t++)this._markSpannedCell(r,t,o)}_markSpannedCell(t,e,n){this._spannedCells.has(t)||this._spannedCells.set(t,new Map),this._spannedCells.get(t).set(e,n)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function Pg(t){return!!t.getCustomProperty("table")&&Rd(t)}function Tg(t){const e=t.getSelectedElement();return e&&Pg(e)?e:null}function Eg(t){const e=kg("table",t.getFirstPosition());return e&&Pg(e.parent)?e.parent:null}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function Sg(t={}){return 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 r=t&&t.asWidget,s=i.writer.createContainerElement("figure",{class:"table"}),a=i.writer.createContainerElement("table");let c;i.writer.insert(i.writer.createPositionAt(s,0),a),r&&(c=function(t,e){return e.setCustomProperty("table",!0,t),Id(t,e,{hasSelectionHandle:!0})}(s,i.writer));const l=new Ag(o),d={headingRows:o.getAttribute("headingRows")||0,headingColumns:o.getAttribute("headingColumns")||0},u=new Map;for(const e of l){const{row:n,cell:r}=e,s=zg(Lg(n,d),a,i),c=o.getChild(n),l=u.get(n)||Fg(c,n,s,i);u.set(n,l),i.consumable.consume(r,"insert"),Vg(e,d,i.writer.createPositionAt(l,"end"),i,t)}const h=i.mapper.toViewPosition(n.range.start);i.mapper.bindElements(o,r?c:s),i.writer.insert(h,r?c:s)})}function Rg(t={}){return e=>e.on("insert:tableRow",(e,n,i)=>{const o=n.item;if(!i.consumable.consume(o,"insert"))return;const r=o.parent,s=Ug(i.mapper.toViewElement(r)),a=r.getChildIndex(o),c=new Ag(r,{startRow:a,endRow:a}),l={headingRows:r.getAttribute("headingRows")||0,headingColumns:r.getAttribute("headingColumns")||0},d=new Map;for(const e of c){const n=zg(Lg(a,l),s,i),r=d.get(a)||Fg(o,a,n,i);d.set(a,r),i.consumable.consume(e.cell,"insert"),Vg(e,l,i.writer.createPositionAt(r,"end"),i,t)}})}function Ig(t={}){return e=>e.on("insert:tableCell",(e,n,i)=>{const o=n.item;if(!i.consumable.consume(o,"insert"))return;const r=o.parent,s=r.parent,a=s.getChildIndex(r),c=new Ag(s,{startRow:a,endRow:a}),l={headingRows:s.getAttribute("headingRows")||0,headingColumns:s.getAttribute("headingColumns")||0};for(const e of c)if(e.cell===o){const n=i.mapper.toViewElement(r);return void Vg(e,l,i.writer.createPositionAt(n,r.getChildIndex(o)),i,t)}})}function Og(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 r=Ug(i.mapper.toViewElement(o)),s=n.attributeOldValue,a=n.attributeNewValue;if(a>s){const t=Array.from(o.getChildren()).filter(({index:t})=>c(t,s-1,a));Hg(t,zg("thead",r,i),i,"end");for(const n of t)for(const t of n.getChildren())Mg(t,"th",i,e);jg("tbody",r,i)}else{Hg(Array.from(o.getChildren()).filter(({index:t})=>c(t,a-1,s)).reverse(),zg("tbody",r,i),i,0);const t=new Ag(o,{startRow:a?a-1:a,endRow:s-1}),n={headingRows:o.getAttribute("headingRows")||0,headingColumns:o.getAttribute("headingColumns")||0};for(const o of t)Ng(o,n,i,e);jg("thead",r,i)}function c(t,e,n){return t>e&&t<n}})}function Dg(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 r={headingRows:o.getAttribute("headingRows")||0,headingColumns:o.getAttribute("headingColumns")||0},s=n.attributeOldValue,a=n.attributeNewValue,c=(s>a?s:a)-1;for(const t of new Ag(o))t.column>c||Ng(t,r,i,e)})}function Mg(t,e,n,i){const o=n.writer,r=n.mapper.toViewElement(t);if(!r)return;let s;if(i){s=Dd(o.createEditableElement(e,r.getAttributes()),o),o.insert(o.createPositionAfter(r),s),o.move(o.createRangeIn(r),o.createPositionAt(s,0)),o.remove(o.createRangeOn(r))}else s=o.rename(e,r);n.mapper.unbindViewElement(r),n.mapper.bindElements(t,s)}function Ng(t,e,n,i){const{cell:o}=t,r=Bg(t,e),s=n.mapper.toViewElement(o);s&&s.name!==r&&Mg(o,r,n,i)}function Vg(t,e,n,i,o){const r=o&&o.asWidget,s=Bg(t,e),a=r?Dd(i.writer.createEditableElement(s),i.writer):i.writer.createContainerElement(s),c=t.cell,l=c.getChild(0),d=1===c.childCount&&"paragraph"===l.name;if(i.writer.insert(n,a),d&&![...l.getAttributeKeys()].length){const t=c.getChild(0),e=i.writer.createPositionAt(a,"end");if(i.consumable.consume(t,"insert"),o.asWidget){const n=i.writer.createContainerElement("span");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 Fg(t,e,n,i){i.consumable.consume(t,"insert")
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class $g extends qu{refresh(){const t=this.editor.model,e=t.document.selection,n=t.schema,i=function(t){const e=t.parent;return e===e.root?e:e.parent}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(e.getFirstPosition());this.isEnabled=n.checkChild(i,"table")}execute(t={}){const e=this.editor.model,n=e.document.selection,i=this.editor.plugins.get("TableUtils"),o=parseInt(t.rows)||2,r=parseInt(t.columns)||2,s=Md(n,e);e.change(t=>{const n=i.createTable(t,o,r);e.insertContent(n,s),t.setSelection(t.createPositionAt(n.getNodeByPath([0,0,0]),0))})}}class Wg extends qu{constructor(t,e={}){super(t),this.order=e.order||"below"}refresh(){const t=kg("table",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),i=kg("tableCell",e.getFirstPosition()).parent,o=i.parent,r=o.getChildIndex(i),s="below"===this.order?r+1:r;n.insertRows(o,{rows:1,at:s})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Gg extends qu{constructor(t,e={}){super(t),this.order=e.order||"right"}refresh(){const t=kg("table",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),i=kg("tableCell",e.getFirstPosition()),o=i.parent.parent,{column:r}=n.getCellLocation(i),s="right"===this.order?r+1:r;n.insertColumns(o,{columns:1,at:s})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Kg extends qu{constructor(t,e={}){super(t),this.direction=e.direction||"horizontally"}refresh(){const t=kg("tableCell",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=kg("tableCell",this.editor.model.document.selection.getFirstPosition()),e="horizontally"===this.direction,n=this.editor.plugins.get("TableUtils");e?n.splitCellHorizontally(t,2):n.splitCellVertically(t,2)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Jg extends qu{constructor(t,e){super(t),this.direction=e.direction,this.isHorizontal="right"==this.direction||"left"==this.direction}refresh(){const t=this._getMergeableCell();this.value=t,this.isEnabled=!!t}execute(){const t=this.editor.model,e=kg("tableCell",t.document.selection.getFirstPosition()),n=this.value,i=this.direction;t.change(t=>{const o="right"==i||"down"==i,r=o?e:n,s=o?n:e,a=s.parent;!function(t,e,n){Zg(t)||(Zg(e)&&n.remove(n.createRangeIn(e)),n.move(n.createRangeIn(t),n.createPositionAt(e,"end")));n.remove(t)}(s,r,t);const c=this.isHorizontal?"colspan":"rowspan",l=parseInt(e.getAttribute(c)||1),d=parseInt(n.getAttribute(c)||1);t.setAttribute(c,l+d,r),t.setSelection(t.createRangeIn(r)),a.childCount||function(t,e){const n=t.parent,i=n.getChildIndex(t);for(const{cell:t,row:o,rowspan:r}of new Ag(n,{endRow:i})){o+r-1>=i&&_g("rowspan",r-1,t,e)}e.remove(t)}(a,t)})}_getMergeableCell(){const t=kg("tableCell",this.editor.model.document.selection.getFirstPosition());if(!t)return;const e=this.editor.plugins.get("TableUtils"),n=this.isHorizontal?function(t,e,n){const i="right"==e?t.nextSibling:t.previousSibling;if(!i)return;const o="right"==e?t:i,r="right"==e?i:t,{column:s}=n.getCellLocation(o),{column:a}=n.getCellLocation(r),c=parseInt(o.getAttribute("colspan")||1);return s+c===a?i:void 0}(t,this.direction,e):function(t,e){const n=t.parent,i=n.parent,o=i.getChildIndex(n);if("down"==e&&o===i.childCount-1||"up"==e&&0===o)return;const r=parseInt(t.getAttribute("rowspan")||1),s=i.getAttribute("headingRows")||0,a="down"==e&&o+r===s,c="up"==e&&o===s;if(s&&(a||c))return;const l=parseInt(t.getAttribute("rowspan")||1),d="down"==e?o+l:o,u=[...new Ag(i,{endRow:d})],h=u.find(e=>e.cell===t).column,f=u.find(({row:t,rowspan:n,column:i})=>i===h&&("down"==e?t===d:d===t+n));return f&&f.cell}(t,this.direction);if(!n)return;const i=this.isHorizontal?"rowspan":"colspan",o=parseInt(t.getAttribute(i)||1);return parseInt(n.getAttribute(i)||1)===o?n:void 0}}function Zg(t){return 1==t.childCount&&t.getChild(0).is("paragraph")&&t.getChild(0).isEmpty}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Qg extends qu{refresh(){const t=kg("tableCell",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t&&t.parent.parent.childCount>1}execute(){const t=this.editor.model,e=kg("tableCell",t.document.selection.getFirstPosition()).parent,n=e.parent,i=n.getChildIndex(e),o=n.getAttribute("headingRows")||0;t.change(t=>{o&&i<=o&&_g("headingRows",o-1,n,t,0);const r=[...new Ag(n,{endRow:i})],s=new Map;r.filter(({row:t,rowspan:e})=>t===i&&e>1).forEach(({column:t,cell:e,rowspan:n})=>s.set(t,{cell:e,rowspanToSet:n-1})),r.filter(({row:t,rowspan:e})=>t<=i-1&&t+e>i).forEach(({cell:e,rowspan:n})=>_g("rowspan",n-1,e,t));const a=i+1,c=new Ag(n,{includeSpanned:!0,startRow:a,endRow:a});let l;for(const{row:e,column:i,cell:o}of[...c])if(s.has(i)){const{cell:o,rowspanToSet:r}=s.get(i),a=l?t.createPositionAfter(l):t.createPositionAt(n.getChild(e),0);t.move(t.createRangeOn(o),a),_g("rowspan",r,o,t),l=o}else l=o;t.remove(e)})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Yg extends qu{refresh(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),i=kg("tableCell",e.getFirstPosition());this.isEnabled=!!i&&n.getColumns(i.parent.parent)>1}execute(){const t=this.editor.model,e=kg("tableCell",t.document.selection.getFirstPosition()),n=e.parent,i=n.parent,o=i.getAttribute("headingColumns")||0,r=i.getChildIndex(n),s=[...new Ag(i)],a=s.find(t=>t.cell===e).column;t.change(t=>{o&&r<=o&&t.setAttribute("headingColumns",o-1,i);for(const{cell:e,column:n,colspan:i}of s)n<=a&&i>1&&n+i>a?_g("colspan",i-1,e,t):n===a&&t.remove(e)})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Xg extends qu{refresh(){const t=kg("tableCell",this.editor.model.document.selection.getFirstPosition()),e=!!t;this.isEnabled=e,this.value=e&&this._isInHeading(t,t.parent.parent)}execute(t={}){const e=this.editor.model,n=kg("tableCell",e.document.selection.getFirstPosition()).parent,i=n.parent,o=i.getAttribute("headingRows")||0,r=n.index;if(t.forceValue===this.value)return;const s=this.value?r:r+1;e.change(t=>{if(s){const e=function(t,e,n){const i=[],o=new Ag(t,{startRow:e>n?n:0,endRow:e-1});for(const{row:t,rowspan:n,cell:r}of o)n>1&&t+n>e&&i.push(r);return i}(i,s,o);for(const n of e)tb(n,s,t)}_g("headingRows",s,i,t,0)})}_isInHeading(t,e){const n=parseInt(e.getAttribute("headingRows")||0);return!!n&&t.parent.index<n}}function tb(t,e,n){const i=t.parent,o=i.parent,r=e-i.index,s={},a=parseInt(t.getAttribute("rowspan"))-r;a>1&&(s.rowspan=a);const c=parseInt(t.getAttribute("colspan")||1);c>1&&(s.colspan=c);const l=o.getChildIndex(i),d=l+r,u=[...new Ag(o,{startRow:l,endRow:d,includeSpanned:!0})];let h;for(const{row:e,column:i,cell:r,cellIndex:a}of u)if(r===t&&void 0===h&&(h=i),void 0!==h&&h===i&&e===d){const t=o.getChild(e),i=n.createPositionAt(t,a);vg(n,i,s)}_g("rowspan",r,t,n)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class eb extends qu{refresh(){const t=kg("tableCell",this.editor.model.document.selection.getFirstPosition()),e=!!t;this.isEnabled=e,this.value=e&&this._isInHeading(t,t.parent.parent)}execute(t={}){const e=this.editor.model,n=e.document.selection,i=this.editor.plugins.get("TableUtils"),o=kg("tableCell",n.getFirstPosition()),r=o.parent.parent,{column:s}=i.getCellLocation(o);if(t.forceValue===this.value)return;const a=this.value?s:s+1;e.change(t=>{_g("headingColumns",a,r,t,0)})}_isInHeading(t,e){const n=parseInt(e.getAttribute("headingColumns")||0),i=this.editor.plugins.get("TableUtils"),{column:o}=i.getCellLocation(t);return!!n&&o<n}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class nb extends yd{static get pluginName(){return"TableUtils"}getCellLocation(t){const e=t.parent,n=e.parent,i=n.getChildIndex(e),o=new Ag(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");return ib(t,i,0,e,n),i}insertRows(t,e={}){const n=this.editor.model,i=e.at||0,o=e.rows||1;n.change(e=>{const n=t.getAttribute("headingRows")||0;if(n>i&&e.setAttribute("headingRows",n+o,t),0===i||i===t.childCount)return void ib(e,t,i,o,this.getColumns(t));const r=new Ag(t,{endRow:i});let s=0;for(const{row:t,rowspan:n,colspan:a,cell:c}of r){const r=t+n>i;t<i&&r&&e.setAttribute("rowspan",n+o,c),t===i&&(s+=a)}ib(e,t,i,o,s)})}insertColumns(t,e={}){const n=this.editor.model,i=e.at||0,o=e.columns||1;n.change(e=>{const n=t.getAttribute("headingColumns");i<n&&e.setAttribute("headingColumns",n+o,t);const r=this.getColumns(t);if(0===i||r===i){for(const n of t.getChildren())ob(o,e,e.createPositionAt(n,i?"end":0));return}const s=new Ag(t,{column:i,includeSpanned:!0});for(const{row:n,cell:r,cellIndex:a}of s){const c=parseInt(r.getAttribute("rowspan")||1),l=parseInt(r.getAttribute("colspan")||1);if(r.index!==i&&l>1){if(e.setAttribute("colspan",l+o,r),s.skipRow(n),c>1)for(let t=n+1;t<n+c;t++)s.skipRow(t)}else{const i=e.createPositionAt(t.getChild(n),a);ob(o,e,i)}}})}splitCellVertically(t,e=2){const n=this.editor.model,i=t.parent.parent,o=parseInt(t.getAttribute("rowspan")||1),r=parseInt(t.getAttribute("colspan")||1);n.change(n=>{if(r>1){const{newCellsSpan:i,updatedSpan:s}=rb(r,e);_g("colspan",s,t,n);const a={};i>1&&(a.colspan=i),o>1&&(a.rowspan=o),ob(r>e?e-1:r-1,n,n.createPositionAfter(t),a)}if(r<e){const s=e-r,a=[...new Ag(i)],{column:c}=a.find(({cell:e})=>e===t),l=a.filter(({cell:e,colspan:n,column:i})=>{return e!==t&&i===c||i<c&&i+n>c});for(const{cell:t,colspan:e}of l)n.setAttribute("colspan",e+s,t);const d={};o>1&&(d.rowspan=o),ob(s,n,n.createPositionAfter(t),d);const u=i.getAttribute("headingColumns")||0;u>c&&_g("headingColumns",u+s,i,n)}})}splitCellHorizontally(t,e=2){const n=this.editor.model,i=t.parent,o=i.parent,r=o.getChildIndex(i),s=parseInt(t.getAttribute("rowspan")||1),a=parseInt(t.getAttribute("colspan")||1);n.change(n=>{if(s>1){const i=[...new Ag(o,{startRow:r,endRow:r+s-1,includeSpanned:!0})],{newCellsSpan:c,updatedSpan:l}=rb(s,e);_g("rowspan",l,t,n);const{column:d}=i.find(({cell:e})=>e===t),u={};c>1&&(u.rowspan=c),a>1&&(u.colspan=a);for(const{column:t,row:e,cellIndex:s}of i){const i=t===d,a=(e+r+l)%c==0;if(e>=r+l&&i&&a){const t=n.createPositionAt(o.getChild(e),s);ob(1,n,t,u)}}}if(s<e){const i=e-s,c=[...new Ag(o,{startRow:0,endRow:r})];for(const{cell:e,rowspan:o,row:s}of c)if(e!==t&&s+o>r){const t=o+i;n.setAttribute("rowspan",t,e)}const l={};a>1&&(l.colspan=a),ib(n,o,r+1,i,1,l);const d=o.getAttribute("headingRows")||0;d>r&&_g("headingRows",d+i,o,n)}})}getColumns(t){return[...t.getChild(0).getChildren()].reduce((t,e)=>{return t+parseInt(e.getAttribute("colspan")||1)},0)}}function ib(t,e,n,i,o,r={}){for(let s=0;s<i;s++){const i=t.createElement("tableRow");t.insert(i,e,n),ob(o,t,t.createPositionAt(i,"end"),r)}}function ob(t,e,n,i={}){for(let o=0;o<t;o++)vg(e,n,i)}function rb(t,e){if(t<e)return{newCellsSpan:1,updatedSpan:1};const n=Math.floor(t/e);return{newCellsSpan:n,updatedSpan:t-n*e+n}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function sb(t){t.document.registerPostFixer(e=>(function(t,e){const n=e.document.differ.getChanges();let i=!1;const o=new Set;for(const e of n){let n;"table"==e.name&&"insert"==e.type&&(n=e.position.nodeAfter),"tableRow"!=e.name&&"tableCell"!=e.name||(n=kg("table",e.position)),lb(e)&&(n=kg("table",e.range.start)),n&&!o.has(n)&&(i=ab(n,t)||i,i=cb(n,t)||i,o.add(n))}return i})(e,t))}function ab(t,e){let n=!1;const i=function(t){const e=parseInt(t.getAttribute("headingRows")||0),n=t.childCount,i=[];for(const{row:o,rowspan:r,cell:s}of new Ag(t)){if(r<2)continue;const t=o<e?e:n;if(o+r>t){const e=t-o;i.push({cell:s,rowspan:e})}}return i}(t);if(i.length){n=!0;for(const t of i)_g("rowspan",t.rowspan,t.cell,e,1)}return n}function cb(t,e){let n=!1;const i=function(t){const e={};for(const{row:n}of new Ag(t,{includeSpanned:!0}))e[n]||(e[n]=0),e[n]+=1;return e}(t),o=i[0];if(!Object.values(i).every(t=>t===o)){const o=Object.values(i).reduce((t,e)=>e>t?e:t,0);for(const[r,s]of Object.entries(i)){const i=o-s;if(i){for(let n=0;n<i;n++)vg(e,e.createPositionAt(t.getChild(r),"end"));n=!0}}}return n}function lb(t){const e="attribute"===t.type,n=t.attributeKey;return e&&("headingRows"===n||"colspan"===n||"rowspan"===n)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function db(t){t.document.registerPostFixer(e=>(function(t,e){const n=e.document.differ.getChanges();let i=!1;for(const e of n)"insert"==e.type&&"table"==e.name&&(i=ub(e.position.nodeAfter,t)||i),"insert"==e.type&&"tableRow"==e.name&&(i=hb(e.position.nodeAfter,t)||i),"insert"==e.type&&"tableCell"==e.name&&(i=fb(e.position.nodeAfter,t)||i),pb(e)&&(i=fb(e.position.parent,t)||i);return i})(e,t))}function ub(t,e){let n=!1;for(const i of t.getChildren())n=hb(i,e)||n;return n}function hb(t,e){let n=!1;for(const i of t.getChildren())n=fb(i,e)||n;return n}function fb(t,e){if(0==t.childCount)return e.insertElement("paragraph",t),!0;const n=Array.from(t.getChildren()).filter(t=>t.is("text"));for(const t of n)e.wrap(e.createRangeOn(t),"paragraph");return!!n.length}function pb(t){return!(!t.position||!t.position.parent.is("tableCell"))&&("insert"==t.type&&"$text"==t.name||"remove"==t.type)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function mb(t){t.document.registerPostFixer(()=>(function(t){const e=t.document.differ,n=new Set;for(const t of e.getChanges()){const e="insert"==t.type||"remove"==t.type?t.position.parent:t.range.start.parent;e.is("tableCell")&&gb(e,t.type)&&n.add(e)}if(n.size){for(const t of n.values())e.refreshItem(t);return!0}return!1})(t))}function gb(t,e){if(!Array.from(t.getChildren()).some(t=>t.is("paragraph")))return!1;if("attribute"==e){const e=Array.from(t.getChild(0).getAttributeKeys()).length;return 1===t.childCount&&e<2}return t.childCount<=("insert"==e?2:1)}n(89);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class bb extends yd{static get pluginName(){return"TableEditing"}init(){const t=this.editor,e=t.model,n=e.schema,i=t.conversion;n.register("table",{allowWhere:"$block",allowAttributes:["headingRows","headingColumns"],isLimit:!0,isObject:!0,isBlock:!0}),n.register("tableRow",{allowIn:"table",isLimit:!0}),n.register("tableCell",{allowIn:"tableRow",allowAttributes:["colspan","rowspan"],isLimit:!0}),n.extend("$block",{allowIn:"tableCell"}),n.addChildCheck((t,e)=>{if("table"==e.name&&Array.from(t.getNames()).includes("table"))return!1}),i.for("upcast").add(yg()),i.for("editingDowncast").add(Sg({asWidget:!0})),i.for("dataDowncast").add(Sg()),i.for("upcast").elementToElement({model:"tableRow",view:"tr"}),i.for("editingDowncast").add(Rg({asWidget:!0})),i.for("dataDowncast").add(Rg()),i.for("downcast").add(t=>t.on("remove:tableRow",(t,e,n)=>{t.stop();const i=n.writer,o=n.mapper,r=o.toViewPosition(e.position).getLastMatchingPosition(t=>!t.item.is("tr")).nodeAfter,s=r.parent,a=i.createRangeOn(r),c=i.remove(a);for(const t of i.createRangeIn(c).getItems())o.unbindViewElement(t);s.childCount||i.remove(i.createRangeOn(s))},{priority:"higher"})),i.for("upcast").add(xg("td")),i.for("upcast").add(xg("th")),i.for("editingDowncast").add(Ig({asWidget:!0})),i.for("dataDowncast").add(Ig()),i.attributeToAttribute({model:"colspan",view:"colspan"}),i.attributeToAttribute({model:"rowspan",view:"rowspan"}),i.for("editingDowncast").add(Dg({asWidget:!0})),i.for("dataDowncast").add(Dg()),i.for("editingDowncast").add(Og({asWidget:!0})),i.for("dataDowncast").add(Og()),t.commands.add("insertTable",new $g(t)),t.commands.add("insertTableRowAbove",new Wg(t,{order:"above"})),t.commands.add("insertTableRowBelow",new Wg(t,{order:"below"})),t.commands.add("insertTableColumnLeft",new Gg(t,{order:"left"})),t.commands.add("insertTableColumnRight",new Gg(t,{order:"right"})),t.commands.add("removeTableRow",new Qg(t)),t.commands.add("removeTableColumn",new Yg(t)),t.commands.add("splitTableCellVertically",new Kg(t,{direction:"vertically"})),t.commands.add("splitTableCellHorizontally",new Kg(t,{direction:"horizontally"})),t.commands.add("mergeTableCellRight",new Jg(t,{direction:"right"})),t.commands.add("mergeTableCellLeft",new Jg(t,{direction:"left"})),t.commands.add("mergeTableCellDown",new Jg(t,{direction:"down"})),t.commands.add("mergeTableCellUp",new Jg(t,{direction:"up"})),t.commands.add("setTableColumnHeader",new eb(t)),t.commands.add("setTableRowHeader",new Xg(t)),sb(e),mb(e),db(e),this.editor.keystrokes.set("Tab",(...t)=>this._handleTabOnSelectedTable(...t),{priority:"low"}),this.editor.keystrokes.set("Tab",this._getTabHandler(!0),{priority:"low"}),this.editor.keystrokes.set("Shift+Tab",this._getTabHandler(!1),{priority:"low"})}static get requires(){return[nb]}_handleTabOnSelectedTable(t,e){const n=this.editor,i=n.model.document.selection;if(!i.isCollapsed&&1===i.rangeCount&&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=kg("tableCell",e.model.document.selection.getFirstPosition());if(!o)return;i();const r=o.parent,s=r.parent,a=s.getChildIndex(r),c=r.getChildIndex(o),l=0===c;if(!t&&l&&0===a)return;const d=c===r.childCount-1,u=a===s.childCount-1;if(t&&u&&d&&(e.execute("insertTableRowBelow"),a===s.childCount-1))return;let h;if(t&&d){const t=s.getChild(a+1);h=t.getChild(0)}else if(!t&&l){const t=s.getChild(a-1);h=t.getChild(t.childCount-1)}else h=r.getChild(c+(t?1:-1));e.model.change(t=>{t.setSelection(t.createRangeIn(h))})}}}n(91);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class wb extends jl{constructor(t){super(t);const e=this.bindTemplate;this.items=this.createCollection(),this.set("rows",0),this.set("columns",0),this.bind("label").to(this,"columns",this,"rows",(t,e)=>`${e} × ${t}`),this.setTemplate({tag:"div",attributes:{class:["ck"]},children:[{tag:"div",attributes:{class:["ck-insert-table-dropdown__grid"]},children:this.items},{tag:"div",attributes:{class:["ck-insert-table-dropdown__label"]},children:[{text:e.to("label")}]}],on:{mousedown:e.to(t=>{t.preventDefault()}),click:e.to(()=>{this.fire("execute")})}});for(let t=0;t<100;t++){const e=new kb;e.on("over",()=>{const e=Math.floor(t/10),n=t%10;this.set("rows",e+1),this.set("columns",n+1)}),this.items.add(e)}this.on("change:columns",()=>{this._highlightGridBoxes()}),this.on("change:rows",()=>{this._highlightGridBoxes()})}focus(){}focusLast(){}_highlightGridBoxes(){const t=this.rows,e=this.columns;this.items.map((n,i)=>{const o=Math.floor(i/10)<t&&i%10<e;n.set("isOn",o)})}}class kb extends jl{constructor(t){super(t);const e=this.bindTemplate;this.set("isOn",!1),this.setTemplate({tag:"div",attributes:{class:["ck-insert-table-dropdown-grid-box",e.if("isOn","ck-on")]},on:{mouseover:e.to("over")}})}}var _b='<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>',vb='<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>',yb='<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>',xb='<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>';
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class Cb extends yd{init(){const t=this.editor,e=this.editor.t,n="ltr"===t.locale.contentLanguageDirection;t.ui.componentFactory.add("insertTable",n=>{const i=t.commands.get("insertTable"),o=hd(n);o.bind("isEnabled").to(i),o.buttonView.set({icon:_b,label:e("k"),tooltip:!0});const r=new wb(n);return o.panelView.children.add(r),r.delegate("execute").to(o),o.buttonView.on("open",()=>{r.rows=0,r.columns=0}),o.on("execute",()=>{t.execute("insertTable",{rows:r.rows,columns:r.columns}),t.editing.view.focus()}),o}),t.ui.componentFactory.add("tableColumn",t=>{const i=[{type:"switchbutton",model:{commandName:"setTableColumnHeader",label:e("l"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:n?"insertTableColumnLeft":"insertTableColumnRight",label:e("m")}},{type:"button",model:{commandName:n?"insertTableColumnRight":"insertTableColumnLeft",label:e("n")}},{type:"button",model:{commandName:"removeTableColumn",label:e("o")}}];return this._prepareDropdown(e("p"),vb,i,t)}),t.ui.componentFactory.add("tableRow",t=>{const n=[{type:"switchbutton",model:{commandName:"setTableRowHeader",label:e("q"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:"insertTableRowBelow",label:e("r")}},{type:"button",model:{commandName:"insertTableRowAbove",label:e("s")}},{type:"button",model:{commandName:"removeTableRow",label:e("t")}}];return this._prepareDropdown(e("u"),yb,n,t)}),t.ui.componentFactory.add("mergeTableCells",t=>{const i=[{type:"button",model:{commandName:"mergeTableCellUp",label:e("v")}},{type:"button",model:{commandName:n?"mergeTableCellRight":"mergeTableCellLeft",label:e("w")}},{type:"button",model:{commandName:"mergeTableCellDown",label:e("x")}},{type:"button",model:{commandName:n?"mergeTableCellLeft":"mergeTableCellRight",label:e("y")}},{type:"separator"},{type:"button",model:{commandName:"splitTableCellVertically",label:e("z")}},{type:"button",model:{commandName:"splitTableCellHorizontally",label:e("aa")}}];return this._prepareDropdown(e("ab"),xb,i,t)})}_prepareDropdown(t,e,n,i){const o=this.editor,r=hd(i),s=[],a=new so;for(const t of n)Ab(t,o,s,a);return pd(r,a),r.buttonView.set({label:t,icon:e,tooltip:!0}),r.bind("isEnabled").toMany(s,"isEnabled",(...t)=>t.some(t=>t)),this.listenTo(r,"execute",t=>{o.execute(t.source.commandName),o.editing.view.focus()}),r}}function Ab(t,e,n,i){const o=t.model=new qf(t.model),{commandName:r,bindIsOn:s}=t.model;if("separator"!==t.type){const t=e.commands.get(r);n.push(t),o.set({commandName:r}),o.bind("isEnabled").to(t),s&&o.bind("isOn").to(t,"value")}o.set({withText:!0}),i.add(t)}n(93);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
function Pb(t,e){if(!t.childCount)return;const n=new zu,i=function(t,e){const n=e.createRangeIn(t),i=new ki({name:/^p|h\d+$/,styles:{"mso-list":/.*/}}),o=[];for(const t of n)if("elementStart"===t.type&&i.match(t.item)){const e=Tb(t.item);o.push({element:t.item,id:e.id,order:e.order,indent:e.indent})}return o}(t,n);if(!i.length)return;let o=null;i.forEach((t,r)=>{if(!o||function(t,e){if(t.id!==e.id)return!0;const n=e.element.previousSibling;if(!n)return!0;return i=n,!(i.is("ol")||i.is("ul"));var i;
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/}(i[r-1],t)){const i=function(t,e){const n=new RegExp(`@list l${t.id}:level${t.indent}\\s*({[^}]*)`,"gi"),i=/mso-level-number-format:([^;]*);/gi,o=n.exec(e);let r="decimal";if(o&&o[1]){const t=i.exec(o[1]);t&&t[1]&&(r=t[1].trim())}return{type:"bullet"!==r&&"image"!==r?"ol":"ul",style:r}}(t,e);o=function(t,e,n){const i=new vi(t.type),o=e.parent.getChildIndex(e);return n.insertChild(o,i,e.parent),i}(i,t.element,n)}const s=function(t,e){return function(t,e){const n=new ki({name:"span",styles:{"mso-list":"Ignore"}}),i=e.createRangeIn(t);for(const t of i)"elementStart"===t.type&&n.match(t.item)&&e.remove(t.item)}(t,e),e.rename("li",t)}(t.element,n);n.appendChild(s,o)})}function Tb(t){const e={},n=t.getStyle("mso-list");return n&&(e.id=parseInt(n.match(/(^|\s+)l(\d+)/i)[2]),e.order=parseInt(n.match(/\s*lfo(\d+)/i)[1]),e.indent=parseInt(n.match(/\s*level(\d+)/i)[1])),e}const Eb=/id=("|')docs-internal-guid-[-0-9a-f]+("|')/i;class Sb{isActive(t){return Eb.test(t)}execute(t){const e=new zu;!
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
function(t,e){for(const n of t.getChildren())if(n.is("b")&&"normal"===n.getStyle("font-weight")){const i=t.getChildIndex(n);e.remove(n),e.insertChild(i,n.getChildren(),t)}}(t.content,e),function(t,e){for(const n of e.createRangeIn(t)){const t=n.item;if(t.is("li")){const n=t.getChild(0);n.is("p")&&e.unwrapElement(n)}}}(t.content,e)}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function Rb(t){return t.replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g,(t,e)=>1===e.length?" ":Array(e.length+1).join("  ").substr(0,e.length))}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function Ib(t){const e=new DOMParser,n=function(t){return Rb(Rb(t)).replace(/(<span style=['"]mso-spacerun:yes['"]>[\s]*?)[\r\n]+(\s*<\/span>)/g,"$1$2").replace(/<span style=['"]mso-spacerun:yes['"]><\/span>/g,"").replace(/ <\//g," </").replace(/ <o:p><\/o:p>/g," <o:p></o:p>").replace(/<o:p>(&nbsp;|\u00A0)<\/o:p>/g,"").replace(/>(\s*[\r\n]\s*)</g,"><")}(function(t){const e=t.match(/<\/body>(.*?)(<\/html>|$)/);e&&e[1]&&(t=t.slice(0,e.index)+t.slice(e.index).replace(e[1],""));return t}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(t=t.replace(/<!--\[if gte vml 1]>/g,""))),i=e.parseFromString(n,"text/html");!function(t){t.querySelectorAll("span[style*=spacerun]").forEach(t=>{const e=t.childNodes[0].data.length;t.innerHTML=Array(e+1).join("  ").substr(0,e)})}(i);const o=i.body.innerHTML,r=function(t){const e=new ar({blockFillerMode:"nbsp"}),n=t.createDocumentFragment(),i=t.body.childNodes;for(;i.length>0;)n.appendChild(i[0]);return e.domToView(n)}(i),s=function(t){const e=[],n=[],i=Array.from(t.getElementsByTagName("style"));for(const t of i)t.sheet&&t.sheet.cssRules&&t.sheet.cssRules.length&&(e.push(t.sheet),n.push(t.innerHTML));return{styles:e,stylesString:n.join(" ")}}(i);return{body:r,bodyString:o,styles:s.styles,stylesString:s.stylesString}}function Ob(t,e){if(!t.childCount)return;const n=new zu;!function(t,e,n){const i=n.createRangeIn(e),o=new ki({name:"img"}),r=[];for(const e of i)if(o.match(e.item)){const n=e.item,i=n.getAttribute("v:shapes")?n.getAttribute("v:shapes").split(" "):[];i.length&&i.every(e=>t.indexOf(e)>-1)?r.push(n):n.getAttribute("src")||r.push(n)}for(const t of r)n.remove(t)}(function(t,e){const n=e.createRangeIn(t),i=new ki({name:/v:(.+)/}),o=[];for(const t of n){const e=t.item,n=e.previousSibling&&e.previousSibling.name||null;i.match(e)&&e.getAttribute("o:gfxdata")&&"v:shapetype"!==n&&o.push(t.item.getAttribute("id"))}return o}(t,n),t,n),function(t,e){const n=e.createRangeIn(t),i=new ki({name:/v:(.+)/}),o=[];for(const t of n)i.match(t.item)&&o.push(t.item);for(const t of o)e.remove(t)}(t,n);const i=function(t,e){const n=e.createRangeIn(t),i=new ki({name:"img"}),o=[];for(const t of n)i.match(t.item)&&t.item.getAttribute("src").startsWith("file://")&&o.push(t.item);return o}(t,n);i.length&&function(t,e,n){if(t.length===e.length)for(let o=0;o<t.length;o++){const r=`data:${e[o].type};base64,${i=e[o].hex,btoa(i.match(/\w{2}/g).map(t=>String.fromCharCode(parseInt(t,16))).join(""))}`;n.setAttribute("src",r,t[o])}var i}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(i,function(t){if(!t)return[];const e=/{\\pict[\s\S]+?\\bliptag-?\d+(\\blipupi-?\d+)?({\\\*\\blipuid\s?[\da-fA-F]+)?[\s}]*?/,n=new RegExp("(?:("+e.source+"))([\\da-fA-F\\s]+)\\}","g"),i=t.match(n),o=[];if(i)for(const t of i){let n=!1;t.includes("\\pngblip")?n="image/png":t.includes("\\jpegblip")&&(n="image/jpeg"),n&&o.push({hex:t.replace(e,"").replace(/[^\da-fA-F]/g,""),type:n})}return o}(e),n)}const Db=/<meta\s*name="?generator"?\s*content="?microsoft\s*word\s*\d+"?\/?>/i,Mb=/xmlns:o="urn:schemas-microsoft-com/i;class Nb{isActive(t){return Db.test(t)||Mb.test(t)}execute(t){const{body:e,stylesString:n}=Ib(t.dataTransfer.getData("text/html"));Pb(e,n),Ob(e,t.dataTransfer.getData("text/rtf")),t.content=e}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
const Vb="todoListChecked";class Fb extends qu{constructor(t){super(t),this._selectedElements=[],this.on("execute",()=>{this.refresh()},{priority:"highest"})}refresh(){this._selectedElements=this._getSelectedItems(),this.value=this._selectedElements.every(t=>!!t.getAttribute("todoListChecked")),this.isEnabled=!!this._selectedElements.length}_getSelectedItems(){const t=this.editor.model,e=t.schema,n=t.document.selection.getFirstRange(),i=n.start.parent,o=[];e.checkAttribute(i,Vb)&&o.push(i);for(const t of n.getItems())e.checkAttribute(t,Vb)&&!o.includes(t)&&o.push(t);return o}execute(t={}){this.editor.model.change(e=>{for(const n of this._selectedElements){(void 0===t.forceValue?!this.value:t.forceValue)?e.setAttribute(Vb,!0,n):e.removeAttribute(Vb,n)}})}}var Bb="[object String]";var Lb=function(t){return"string"==typeof t||!Gt(t)&&w(t)&&m(t)==Bb};
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/function zb(t,e,n){const i=e.range.start.parent;if("listItem"!=i.name||"todo"!=i.getAttribute("listType"))return;if(!n.consumable.consume(e.item,"insert"))return;const o=n.writer,r=n.mapper.toViewPosition(e.range.start),s=o.createText(e.item.data),a=o.createAttributeElement("span",{class:"todo-list__label__description"}),c=r.parent.getChild(0);o.insert(o.createPositionAt(r.parent,"end"),s),o.wrap(o.createRangeOn(s),a),o.wrap(o.createRangeOn(s.parent),c)}function qb(t,e,n){const i=e.modelCursor,o=i.parent,r=e.viewItem;if("checkbox"!=r.getAttribute("type")||"listItem"!=o.name||!i.isAtStart)return;if(!n.consumable.consume(r,{name:!0}))return;const s=n.writer;s.setAttribute("listType","todo",o),e.viewItem.hasAttribute("checked")&&s.setAttribute("todoListChecked",!0,o),e.modelRange=s.createRange(i)}function jb(t,e,n,i){return e.createUIElement("label",{class:"todo-list__label",contenteditable:!1},(function(e){const o=function(t,e,n={},i=[]){const o=n&&n.xmlns,r=o?t.createElementNS(o,e):t.createElement(e);for(const t in n)r.setAttribute(t,n[t]);!Lb(i)&&wi(i)||(i=[i]);for(let e of i)Lb(e)&&(e=t.createTextNode(e)),r.appendChild(e);return r}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/(document,"input",{type:"checkbox"});n&&o.setAttribute("checked","checked"),o.addEventListener("change",()=>i(t));const r=this.toDomElement(e);return r.appendChild(o),r}))}function Hb(t,e){const n=e.createRangeIn(t);for(const t of n)if(t.item.is("uiElement","label"))return t.item}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Ub extends yd{static get pluginName(){return"TodoListEditing"}static get requires(){return[Xm]}init(){const t=this.editor,{editing:e,data:n,model:i}=t;var o,r;i.schema.extend("listItem",{allowAttributes:["todoListChecked"]}),i.schema.addAttributeCheck((t,e)=>{const n=t.last;if("todoListChecked"==e&&"listItem"==n.name&&"todo"!=n.getAttribute("listType"))return!1}),t.commands.add("todoList",new Sm(t,"todo")),t.commands.add("todoListCheck",new Fb(t)),e.downcastDispatcher.on("insert:listItem",function(t,e){return(n,i,o)=>{const r=o.consumable;if(!r.test(i.item,"insert")||!r.test(i.item,"attribute:listType")||!r.test(i.item,"attribute:listIndent"))return;if("todo"!=i.item.getAttribute("listType"))return;const s=i.item;r.consume(s,"insert"),r.consume(s,"attribute:listType"),r.consume(s,"attribute:listIndent"),r.consume(s,"attribute:todoListChecked");const a=o.writer,c=Dm(s,o),l=!!s.getAttribute("todoListChecked"),d=jb(s,a,l,e);a.addClass("todo-list",c.parent),a.insert(a.createPositionAt(c,0),d),Mm(s,c,o,t)}}(i,t=>this._handleCheckmarkChange(t)),{priority:"high"}),n.downcastDispatcher.on("insert:listItem",function(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;if("todo"!=n.item.getAttribute("listType"))return;o.consume(n.item,"insert"),o.consume(n.item,"attribute:listType"),o.consume(n.item,"attribute:listIndent");const r=i.writer,s=n.item,a=Dm(s,i);r.addClass("todo-list",a.parent);const c=r.createAttributeElement("label",{class:"todo-list__label"}),l=r.createEmptyElement("input",{type:"checkbox",disabled:"disabled"});n.item.getAttribute("todoListChecked")&&(r.setAttribute("checked","checked",l),r.addClass("todo-list__label",c)),r.insert(r.createPositionAt(a,0),l),r.wrap(r.createRangeOn(l),c),Mm(s,a,i,t)}}(i),{priority:"high"}),n.downcastDispatcher.on("insert:$text",zb,{priority:"high"}),e.downcastDispatcher.on("attribute:listType:listItem",(o=t=>this._handleCheckmarkChange(t),r=e.view,(t,e,n)=>{const i=n.mapper.toViewElement(e.item),s=n.writer;if("todo"==e.attributeNewValue){const t=!!e.item.getAttribute("todoListChecked"),n=jb(e.item,s,t,o);s.addClass("todo-list",i.parent),s.insert(s.createPositionAt(i,0),n)}else"todo"==e.attributeOldValue&&(s.removeClass("todo-list",i.parent),s.remove(Hb(i,r)))})),e.downcastDispatcher.on("attribute:todoListChecked:listItem",function(t){return(e,n,i)=>{if("todo"!=n.item.getAttribute("listType"))return;if(!i.consumable.consume(n.item,"attribute:todoListChecked"))return;const{mapper:o,writer:r}=i,s=!!n.item.getAttribute("todoListChecked"),a=o.toViewElement(n.item).getChild(0),c=jb(n.item,r,s,t);r.insert(r.createPositionAfter(a),c),r.remove(a)}}(t=>this._handleCheckmarkChange(t))),e.mapper.on("modelToViewPosition",function(t,e){return(n,i)=>{const o=i.modelPosition,r=o.parent;if(!r.is("listItem")||"todo"!=r.getAttribute("listType")||0!==o.offset)return;const s=Hb(e.toViewElement(r),t);s&&(s.nextSibling&&!s.nextSibling.is("uiElement")?i.viewPosition=t.createPositionAt(s.nextSibling,0):i.viewPosition=t.createPositionAfter(s))}}(e.view,e.mapper)),n.upcastDispatcher.on("element:input",qb,{priority:"high"});const s="ltr"===t.locale.contentLanguageDirection?"arrowleft":"arrowright";t.keystrokes.set(s,(t,e)=>(function(t,e){const n=e.schema,i=e.document.selection;if(!i.isCollapsed)return;const o=i.getFirstPosition(),r=o.parent;if("listItem"===r.name&&"todo"==r.getAttribute("listType")&&o.isAtStart){const i=n.getNearestSelectionRange(e.createPositionBefore(r),"backward");i&&(t(),e.change(t=>t.setSelection(i)))}})(e,i)),t.keystrokes.set("Ctrl+space",()=>t.execute("todoListCheck"));const a=new Set;this.listenTo(i,"applyOperation",(t,e)=>{const n=e[0];if("rename"==n.type&&"listItem"==n.oldName){const t=n.position.nodeAfter;t.hasAttribute("todoListChecked")&&a.add(t)}else if("changeAttribute"==n.type&&"listType"==n.key&&"todo"===n.oldValue)for(const t of n.range.getItems())t.hasAttribute("todoListChecked")&&"todo"!==t.getAttribute("listType")&&a.add(t)}),i.document.registerPostFixer(t=>{let e=!
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Wb extends yd{init(){const t=this.editor.t;Bm(this.editor,"todoList",t("ac"),$b)}}n(95);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/var Gb=/highlight-(?:text|source)-([a-z0-9]+)/;function Kb(t){t.addRule("highlightedCodeBlock",{filter:function(t){var e=t.firstChild;return"DIV"===t.nodeName&&Gb.test(t.className)&&e&&"PRE"===e.nodeName},replacement:function(t,e,n){var i=((e.className||"").match(Gb)||[null,""])[1];return"\n\n"+n.fence+i+"\n"+e.firstChild.textContent+"\n"+n.fence+"\n\n"}})}var Jb=Array.prototype.indexOf,Zb=Array.prototype.every,Qb={};function Yb(t){var e,n,i=t.parentNode;return"THEAD"===i.nodeName||i.firstChild===t&&("TABLE"===i.nodeName||(n=(e=i).previousSibling,"TBODY"===e.nodeName&&(!n||"THEAD"===n.nodeName&&/^\s*$/i.test(n.textContent))))&&Zb.call(t.childNodes,(function(t){return"TH"===t.nodeName}))}function Xb(t,e){var n=" ";return 0===Jb.call(e.parentNode.childNodes,e)&&(n="| "),n+t+" |"}function tw(t,e){return Array(e+1).join(t)}Qb.tableCell={filter:["th","td"],replacement:function(t,e){return Xb(t,e)}},Qb.tableRow={filter:"tr",replacement:function(t,e){var n="",i={left:":--",right:"--:",center:":-:"};if(Yb(e))for(var o=0;o<e.childNodes.length;o++){var r="---",s=(e.childNodes[o].getAttribute("align")||"").toLowerCase();s&&(r=i[s]||r),n+=Xb(r,e.childNodes[o])}return"\n"+t+(n?"\n"+n:"")}},Qb.table={filter:function(t){return"TABLE"===t.nodeName&&Yb(t.rows[0])},replacement:function(t){return"\n\n"+(t=t.replace("\n\n","\n"))+"\n\n"}},Qb.tableSection={filter:["thead","tbody","tfoot"],replacement:function(t){return t}};var ew=["address","article","aside","audio","blockquote","body","canvas","center","dd","dir","div","dl","dt","fieldset","figcaption","figure","footer","form","frameset","h1","h2","h3","h4","h5","h6","header","hgroup","hr","html","isindex","li","main","menu","nav","noframes","noscript","ol","output","p","pre","section","table","tbody","td","tfoot","th","thead","tr","ul"];function nw(t){return-1!==ew.indexOf(t.nodeName.toLowerCase())}var iw=["area","base","br","col","command","embed","hr","img","input","keygen","link","meta","param","source","track","wbr"];function ow(t){return-1!==iw.indexOf(t.nodeName.toLowerCase())}var rw=iw.join();var sw={};function aw(t){for(var e in this.options=t,this._keep=[],this._remove=[],this.blankRule={replacement:t.blankReplacement},this.keepReplacement=t.keepReplacement,this.defaultRule={replacement:t.defaultReplacement},this.array=[],t.rules)this.array.push(t.rules[e])}function cw(t,e,n){for(var i=0;i<t.length;i++){var o=t[i];if(lw(o,e,n))return o}}function lw(t,e,n){var i=t.filter;if("string"==typeof i){if(i===e.nodeName.toLowerCase())return!0}else if(Array.isArray(i)){if(i.indexOf(e.nodeName.toLowerCase())>-1)return!0}else{if("function"!=typeof i)throw new TypeError("`filter` needs to be a string, array, or function");if(i.call(t,e,n))return!0}}function dw(t){var e=t.nextSibling||t.parentNode;return t.parentNode.removeChild(t),e}function uw(t,e,n){return t&&t.parentNode===e||n(e)?e.nextSibling||e.parentNode:e.firstChild||e.nextSibling||e.parentNode}sw.paragraph={filter:"p",replacement:function(t){return"\n\n"+t+"\n\n"}},sw.lineBreak={filter:"br",replacement:function(t,e,n){return n.br+"\n"}},sw.heading={filter:["h1","h2","h3","h4","h5","h6"],replacement:function(t,e,n){var i=Number(e.nodeName.charAt(1));return"setext"===n.headingStyle&&i<3?"\n\n"+t+"\n"+tw(1===i?"=":"-",t.length)+"\n\n":"\n\n"+tw("#",i)+" "+t+"\n\n"}},sw.blockquote={filter:"blockquote",replacement:function(t){return"\n\n"+(t=(t=t.replace(/^\n+|\n+$/g,"")).replace(/^/gm,"> "))+"\n\n"}},sw.list={filter:["ul","ol"],replacement:function(t,e){var n=e.parentNode;return"LI"===n.nodeName&&n.lastElementChild===e?"\n"+t:"\n\n"+t+"\n\n"}},sw.listItem={filter:"li",replacement:function(t,e,n){t=t.replace(/^\n+/,"").replace(/\n+$/,"\n").replace(/\n/gm,"\n ");var i=n.bulletListMarker+" ",o=e.parentNode;if("OL"===o.nodeName){var r=o.getAttribute("start"),s=Array.prototype.indexOf.call(o.children,e);i=(r?Number(r)+s:s+1)+". "}return i+t+(e.nextSibling&&!/\n$/.test(t)?"\n":"")}},sw.indentedCodeBlock={filter:function(t,e){return"indented"===e.codeBlockStyle&&"PRE"===t.nodeName&&t.firstChild&&"CODE"===t.firstChild.nodeName},replaceme
/**
* @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md.
*/
const Iw="data-original-src";class Ow{constructor(){this._htmlDP=new dl,this._domConverter=new ar}toView(t){const e=n(98)({html:!0,langPrefix:"language-"});let i=n(154);const o=e.use(i,{label:!0}).render(t),r=this._htmlDP._toDom(o);return function(t){let e,n=document.createNodeIterator(t,NodeFilter.SHOW_ELEMENT,{acceptNode:function(t){if("P"===t.tagName&&t.parentElement&&"LI"===t.parentElement.tagName)return NodeFilter.FILTER_ACCEPT}},!1);for(;e=n.nextNode();)e.outerHTML=e.innerHTML}(r),function(t){let e,n=document.createNodeIterator(t,NodeFilter.SHOW_ELEMENT,{acceptNode:function(t){if("CODE"===t.tagName&&t.parentElement&&"PRE"===t.parentElement.tagName)return NodeFilter.FILTER_ACCEPT}},!1);for(;e=n.nextNode();)0!==e.children.length||e.textContent||(e.textContent="\n")}(r),this._domConverter.domToView(r)}toData(t){const e=this._domConverter.viewToDom(t,document);!function(t,e,n){e=e.map(t=>t.toUpperCase()),n=n.map(t=>t.toUpperCase());let i,o=document.createNodeIterator(t,NodeFilter.SHOW_TEXT);for(;i=o.nextNode();)i.parentElement&&e.indexOf(i.parentElement.nodeName)>=0&&(i.nodeValue=i.nodeValue.replace(/^[\u00a0]+/g," ").replace(/[\u00a0]+$/g," ")),Rw(i,n)||(i.nodeValue=_.escape(i.nodeValue))}(e,["strong","em"],["pre","code","table"]),function(t,e,n){let i,o=document.createNodeIterator(t,NodeFilter.SHOW_ELEMENT,(function(t){return"a"===t.nodeName.toLowerCase()?NodeFilter.FILTER_ACCEPT:NodeFilter.FILTER_REJECT}));for(;i=o.nextNode();)i.setAttribute("href",i.href)}(e);const n=new Sw({headingStyle:"atx",codeBlockStyle:"fenced"});return n.use([Kb]),n.addRule("todolist",{filter:function(t){return"LI"===t.nodeName&&t.closest("ul.todo-list")},replacement:function(t,e,n){t=t.replace(/^\n+/,"").replace(/\n+$/,"\n").replace(/\n/gm,"\n ");var i=n.bulletListMarker+" ",o=e.querySelector("input[type=checkbox]");return i+(o&&o.checked?"[x] ":"[ ] ")+t+(e.nextSibling&&!/\n$/.test(t)?"\n":"")}}),n.addRule("img",{filter:"img",replacement:function(t,e){var n=e.alt||"",i=e.getAttribute(Iw)||e.getAttribute("src")||"",o=e.title||"";return i?"!["+n+"]("+i+(o?' "'+o+'"':"")+")":""}}),n.addRule("htmlTables",{filter:["table"],replacement:function(t,e){return e.querySelectorAll("td br[data-cke-filler]").forEach(t=>t.remove()),e.outerHTML}}),n.addRule("strikethrough",{filter:["del","s","strike"],replacement:function(t){return"~~"+t+"~~"}}),n.addRule("openProjectMacros",{filter:["macro"],replacement:(t,e)=>{return e.innerHTML="",e.outerHTML.replace("</macro>","\n</macro>")}}),n.turndown(e)}}var Dw='<?xml version="1.0" encoding="UTF-8" standalone="no"?>\n<svg\n xmlns:dc="http://purl.org/dc/elements/1.1/"\n xmlns:cc="http://creativecommons.org/ns#"\n xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"\n xmlns:svg="http://www.w3.org/2000/svg"\n xmlns="http://www.w3.org/2000/svg"\n xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"\n xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"\n class="ck ck-icon ck-button__icon"\n viewBox="0 0 20 20"\n version="1.1"\n id="svg10"\n sodipodi:docname="source.svg"\n inkscape:version="0.92.3 (2405546, 2018-03-11)">\n <defs\n id="defs14" />\n <sodipodi:namedview\n pagecolor="#ffffff"\n bordercolor="#666666"\n borderopacity="1"\n objecttolerance="10"\n gridtolerance="10"\n guidetolerance="10"\n inkscape:pageopacity="0"\n inkscape:pageshadow="2"\n inkscape:window-width="640"\n inkscape:window-height="480"\n id="namedview12"\n showgrid="false"\n inkscape:zoom="33.37544"\n inkscape:cx="10.656564"\n inkscape:cy="13.670445"\n inkscape:current-layer="svg10" />\n <g\n id="g8"\n style="fill:#000000;fill-rule:evenodd"\n transform="matrix(0.8751128,0,0,0.8751128,4.2423992,5.525391)">\n <g\n id="g6"\n style="fill:#000000">\n <g\n transform="translate(2,5.6)"\n id="g4"\n style="fill:#000000">\n <path\n d="M 10.5,0.1 15.7,4 v 1.3 l -5.6,4 C 10,9.5 9.8,9.5 9.6,9.5 9.3,9.4 9,8.8 9,8.5 L 9.3,8.1 14,4.6 9.5,1.4 9.3,1.2 C 9.2,0.9 9.2,
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
class Nw extends qu{refresh(){const t=this.editor.model,e=t.document;this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"mention")}execute(t){const e=this.editor.model,n=e.document.selection,i="string"==typeof t.mention?{id:t.mention}:t.mention,o=i.id,r=t.range||n.getFirstRange(),s=t.text||o,a=Fw({_text:s,id:o},i);if(1!=t.marker.length)throw new Zn.b("mentioncommand-incorrect-marker: The marker must be a single character.",this);if(o.charAt(0)!=t.marker)throw new Zn.b("mentioncommand-incorrect-id: The item id must start with the marker character.",this);e.change(t=>{const i=zs(n.getAttributes()),o=new Map(i.entries());o.set("mention",a),e.insertContent(t.createText(s,o),r),e.insertContent(t.createText(" ",i),r.start.getShiftedBy(s.length))})}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Vw extends yd{static get pluginName(){return"MentionEditing"}init(){const t=this.editor,e=t.model,n=e.document;e.schema.extend("$text",{allowAttributes:"mention"}),t.conversion.for("upcast").elementToAttribute({view:{name:"span",key:"data-mention",classes:"mention"},model:{key:"mention",value:Bw}}),t.conversion.for("downcast").attributeToElement({model:"mention",view:zw}),t.conversion.for("downcast").add(Lw),n.registerPostFixer(t=>(function(t,e,n){const i=e.differ.getChanges();let o=!1;for(const e of i){const i=e.position;if("$text"==e.name){const e=i.textNode&&i.textNode.nextSibling;o=jw(i.textNode,t)||o,o=jw(e,t)||o,o=jw(i.nodeBefore,t)||o,o=jw(i.nodeAfter,t)||o}if("$text"!=e.name&&"insert"==e.type){const e=i.nodeAfter;for(const n of t.createRangeIn(e).getItems())o=jw(n,t)||o}if("insert"==e.type&&n.isInline(e.name)){const e=i.nodeAfter&&i.nodeAfter.nextSibling;o=jw(i.nodeBefore,t)||o,o=jw(e,t)||o}}return o})(t,n,e.schema)),n.registerPostFixer(t=>(function(t,e){const n=e.differ.getChanges();let i=!1;for(const e of n)if("attribute"===e.type&&"mention"!=e.attributeKey){const n=e.range.start.nodeBefore,o=e.range.end.nodeAfter;for(const r of[n,o])qw(r)&&r.getAttribute(e.attributeKey)!=e.attributeNewValue&&(t.setAttribute(e.attributeKey,e.attributeNewValue,r),i=!0)}return i})(t,n)),n.registerPostFixer(t=>(function(t,e){const n=e.selection,i=n.focus;if(n.isCollapsed&&n.hasAttribute("mention")&&function(t){const e=t.isAtStart;return t.nodeBefore&&t.nodeBefore.is("text")||e}(i))return t.removeSelectionAttribute("mention"),!0})(t,n)),t.commands.add("mention",new Nw(t))}}function Fw(t,e){return Object.assign({_uid:Xn()},t,e||{})}function Bw(t,e){const n=t.getAttribute("data-mention"),i=t.getChild(0);if(i)return Fw({id:n,_text:i.data},e)}function Lw(t){t.on("attribute:mention",(t,e,n)=>{const i=e.attributeNewValue;if(!e.item.is("textProxy")||!i)return;const o=e.range.start;(o.textNode||o.nodeAfter).data!=i._text&&n.consumable.consume(e.item,t.name)},{priority:"highest"})}function zw(t,e){if(!t)return;const n={class:"mention","data-mention":t.id},i={id:t._uid,priority:20};return e.createAttributeElement("span",n,i)}function qw(t){if(!t||!t.is("text")&&!t.is("textProxy")||!t.hasAttribute("mention"))return!1;return t.data!=t.getAttribute("mention")._text}function jw(t,e){return!!qw(t)&&(e.removeAttribute("mention",t),!0)}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Hw{constructor(t,e){this.model=t,this.testCallback=e,this.hasMatch=!1,this._startListening()}_startListening(){const t=this.model.document;t.selection.on("change:range",(e,{directChange:n})=>{n&&(t.selection.isCollapsed?this._evaluateTextBeforeSelection("selection"):this.hasMatch&&(this.fire("unmatched"),this.hasMatch=!1))}),t.on("change:data",(t,e)=>{"transparent"!=e.type&&this._evaluateTextBeforeSelection("data",{batch:e})})}_evaluateTextBeforeSelection(t,e={}){const n=this.model,i=n.document.selection,o=n.createRange(n.createPositionAt(i.focus.parent,0),i.focus),{text:r,range:s}=Yh(o,n),a=this.testCallback(r);if(!a&&this.hasMatch&&this.fire("unmatched"),this.hasMatch=a,a){const n=Object.assign(e,{text:r,range:s});this.fire(`matched:${t}`,n)}}}di(Hw,ii);n(155);
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Uw extends ad{constructor(t){super(t),this.extendTemplate({attributes:{class:["ck-mentions"],tabindex:"-1"}})}selectFirst(){this.select(0)}selectNext(){const t=this.selected,e=this.items.getIndex(t);this.select(e+1)}selectPrevious(){const t=this.selected,e=this.items.getIndex(t);this.select(e-1)}select(t){let e=0;t>0&&t<this.items.length?e=t:t<0&&(e=this.items.length-1);const n=this.items.get(e);this.selected!==n&&(this.selected&&this.selected.removeHighlight(),n.highlight(),this.selected=n,this._isItemVisibleInScrolledArea(n)||(this.element.scrollTop=n.element.offsetTop))}executeSelected(){this.selected.fire("execute")}_isItemVisibleInScrolledArea(t){return new Ps(this.element).contains(new Ps(t.element))}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class $w extends jl{constructor(t,e){super(t),this.template=!1,this.domElement=e,this.domElement.classList.add("ck-button"),this.set("isOn",!1),this.on("change:isOn",(t,e,n)=>{n?(this.domElement.classList.add("ck-on"),this.domElement.classList.remove("ck-off")):(this.domElement.classList.add("ck-off"),this.domElement.classList.remove("ck-on"))}),this.listenTo(this.domElement,"click",()=>{this.fire("execute")})}render(){super.render(),this.element=this.domElement}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/class Ww extends cd{highlight(){this.children.first.isOn=!0}removeHighlight(){this.children.first.isOn=!1}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/const Gw=3;class Kw extends yd{static get pluginName(){return"MentionUI"}constructor(t){super(t),this._mentionsView=this._createMentionView(),this._mentionsConfigurations=new Map,t.config.define("mention",{feeds:[]})}init(){const t=this.editor;this._balloon=t.plugins.get(ou),t.editing.view.document.on("keydown",(t,e)=>{(function(t){return[ko.arrowup,ko.arrowdown,ko.enter,ko.tab,ko.space,ko.esc].includes(t)})(e.keyCode)&&this._isUIVisible&&(e.preventDefault(),t.stop(),e.keyCode==ko.arrowdown&&this._mentionsView.selectNext(),e.keyCode==ko.arrowup&&this._mentionsView.selectPrevious(),e.keyCode!=ko.enter&&e.keyCode!=ko.tab&&e.keyCode!=ko.space||this._mentionsView.executeSelected(),e.keyCode==ko.esc&&this._hideUIAndRemoveMarker())},{priority:"highest"}),ud({emitter:this._mentionsView,activator:()=>this._isUIVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideUIAndRemoveMarker()});const e=t.config.get("mention.feeds");for(const t of e){const e=t.feed,n=t.marker;if(!n||1!=n.length)throw new Zn.b("mentionconfig-incorrect-marker: The marker must be provided and it must be a single character.",null);const i=t.minimumCharacters||0,o="function"==typeof e?e.bind(this.editor):Qw(e),r={watcher:this._setupTextWatcherForFeed(n,i),marker:n,feedCallback:o,itemRenderer:t.itemRenderer};this._mentionsConfigurations.set(n,r)}}destroy(){super.destroy(),this._mentionsView.destroy()}static get requires(){return[ou]}get _isUIVisible(){return this._balloon.visibleView===this._mentionsView}_createMentionView(){const t=this.editor.locale,e=new Uw(t);return this._items=new so,e.items.bindTo(this._items).using(n=>{const{item:i,marker:o}=n,r=new Ww(t),s=this._renderItem(i,o);return s.delegate("execute").to(r),r.children.add(s),r.item=i,r.marker=o,r.on("execute",()=>{e.fire("execute",{item:i,marker:o})}),r}),e.on("execute",(t,e)=>{const n=this.editor,i=n.model,o=e.item,r=e.marker,s=n.model.markers.get("mention"),a=i.createPositionAt(i.document.selection.focus),c=i.createPositionAt(s.getStart()),l=i.createRange(c,a);this._hideUIAndRemoveMarker(),n.execute("mention",{mention:o,text:o.text,marker:r,range:l}),n.editing.view.focus()}),e}_getItemRenderer(t){const{itemRenderer:e}=this._mentionsConfigurations.get(t);return e}_getFeed(t,e){const{feedCallback:n}=this._mentionsConfigurations.get(t);return Promise.resolve().then(()=>n(e))}_setupTextWatcherForFeed(t,e){const n=this.editor,i=new Hw(n.model,function(t,e){const n=Zw(t,e);return t=>n.test(t)}(t,e));return i.on("matched",(e,i)=>{const o=n.model.document.selection.focus,r=o.textNode&&o.textNode.hasAttribute("mention"),s=o.nodeBefore;if(r||s&&s.is("text")&&s.hasAttribute("mention"))return void this._hideUIAndRemoveMarker();const a=function(t,e){const n=Zw(t,0);return e.match(n)[2]}(t,i.text),c=t.length+a.length,l=o.getShiftedBy(-c),d=o.getShiftedBy(-a.length),u=n.model.createRange(l,d);let h;h=n.model.markers.has("mention")?n.model.markers.get("mention"):n.model.change(t=>t.addMarker("mention",{range:u,usingOperation:!1,affectsData:!1})),this._getFeed(t,a).then(e=>{this._items.clear();for(const n of e){const e="object"!=typeof n?{id:n,text:n}:n;this._items.add({item:e,marker:t})}this._items.length?this._showUI(h):this._hideUIAndRemoveMarker()})}),i.on("unmatched",()=>{this._hideUIAndRemoveMarker()}),i}_showUI(t){this._isUIVisible?this._balloon.updatePosition(this._getBalloonPanelPositionData(t,this._mentionsView.position)):this._balloon.add({view:this._mentionsView,position:this._getBalloonPanelPositionData(t,this._mentionsView.position),withArrow:!1,singleViewMode:!0}),this._mentionsView.position=this._balloon.view.position,this._mentionsView.selectFirst()}_hideUIAndRemoveMarker(){this._balloon.hasView(this._mentionsView)&&this._balloon.remove(this._mentionsView),this.editor.model.markers.has("mention")&&this.editor.model.change(t=>t.removeMarker("mention")),this._mentionsView.position=void 0}_renderItem(t,e){const n=this.editor;let i,o=t.id;const r=this._getItemRenderer(e);if(r){const e=r(t);"string"!=typeof e?i=new $w(n.locale,e):o=e}if(!i){const t=new od(n.locale);t.label=o,t
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/const Yw=[Vd,class extends yd{static get requires(){return[Hd,Wd,hu]}static get pluginName(){return"OPMacroEmbeddedTable"}static get buttonName(){return Hd.buttonName}},class extends yd{static get requires(){return[mu,Wd,gu]}static get pluginName(){return"OPMacroWpButton"}static get buttonName(){return mu.buttonName}},class extends yd{static get requires(){return[th,Wd,eh]}static get pluginName(){return"OPChildPages"}static get buttonName(){return th.buttonName}}],Xw=[class extends yd{static get requires(){return[ku,Qu]}static get pluginName(){return"OpUploadPlugin"}init(){this.editor.plugins.get("FileRepository").createUploadAdapter=t=>{const e=qd(this.editor);return new vu(t,e,this.editor)}}},class extends yd{static get pluginName(){return"OPAttachmentListener"}init(){this.editor.model.on("op:attachment-removed",(t,e)=>{this.removeDeletedImage(e)})}removeDeletedImage(t){let e=this.editor.model.document.getRoot();for(const n of Array.from(e.getChildren()))if("image"===n.name&&t.indexOf(n.getAttribute("src"))>-1){const t=new na(n,"on");this.editor.model.deleteContent(t)}}}],tk=[class extends yd{static get requires(){return[Lu,sh,dh,Ch,$h]}static get pluginName(){return"Essentials"}},class extends yd{static get requires(){return[ku]}static get pluginName(){return"CKFinderUploadAdapter"}init(){const t=this.editor.config.get("ckfinder.uploadUrl");t&&(this.editor.plugins.get(ku).createUploadAdapter=e=>new Zh(e,t,this.editor.t))}},class extends yd{static get pluginName(){return"Autoformat"}afterInit(){this._addListAutoformats(),this._addBasicStylesAutoformats(),this._addHeadingAutoformats(),this._addBlockQuoteAutoformats()}_addListAutoformats(){const t=this.editor.commands;t.get("bulletedList")&&new Qh(this.editor,/^[*-]\s$/,"bulletedList"),t.get("numberedList")&&new Qh(this.editor,/^1[.|)]\s$/,"numberedList")}_addBasicStylesAutoformats(){const t=this.editor.commands;if(t.get("bold")){const t=ef(this.editor,"bold");new Xh(this.editor,/(\*\*)([^*]+)(\*\*)$/g,t),new Xh(this.editor,/(__)([^_]+)(__)$/g,t)}if(t.get("italic")){const t=ef(this.editor,"italic");new Xh(this.editor,/(?:^|[^*])(\*)([^*_]+)(\*)$/g,t),new Xh(this.editor,/(?:^|[^_])(_)([^_]+)(_)$/g,t)}if(t.get("code")){const t=ef(this.editor,"code");new Xh(this.editor,/(`)([^`]+)(`)$/g,t)}}_addHeadingAutoformats(){const t=this.editor.commands.get("heading");t&&t.modelElements.filter(t=>t.match(/^heading[1-6]$/)).forEach(e=>{const n=e[7],i=new RegExp(`^(#{${n}})\\s$`);new Qh(this.editor,i,()=>{if(!t.isEnabled)return!1;this.editor.execute("heading",{value:e})})})}_addBlockQuoteAutoformats(){this.editor.commands.get("blockQuote")&&new Qh(this.editor,/^>\s$/,"blockQuote")}},class extends yd{static get requires(){return[rf,cf]}static get pluginName(){return"Bold"}},class extends yd{static get requires(){return[df,ff]}static get pluginName(){return"Code"}},class extends yd{static get requires(){return[_f,xf]}static get pluginName(){return"Italic"}},class extends yd{static get requires(){return[mf,wf]}static get pluginName(){return"Strikethrough"}},class extends yd{static get requires(){return[Sf,If]}static get pluginName(){return"BlockQuote"}},class extends yd{static get requires(){return[zf,jf]}static get pluginName(){return"Heading"}},class extends yd{static get requires(){return[Wf,Wd,sp]}static get pluginName(){return"Image"}},class extends yd{static get requires(){return[lp]}static get pluginName(){return"ImageCaption"}},class extends yd{static get requires(){return[Cp,Ap]}static get pluginName(){return"ImageStyle"}},class extends yd{static get requires(){return[Pp]}static get pluginName(){return"ImageToolbar"}afterInit(){const t=this.editor,e=t.t;t.plugins.get(Pp).register("image",{ariaLabel:e("b"),items:t.config.get("image.toolbar")||[],getRelatedElement:Hu})}},class extends yd{static get pluginName(){return"OpImageAttachmentLookup"}init(){const t=this.editor,e=t.conversion,n=qd(t);e.for("editingDowncast").add(function(t){return t=>{t.on("attribute:src:image",e,{priority:"highest"})};function e(e,n,i){let o=n.attributeNewValue;if(!o||!t.lookupDownloadLocationByName)re
/**
* @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md.
*/,class extends yd{static get requires(){return[km,Tm]}static get pluginName(){return"Link"}},class extends yd{static get requires(){return[Xm,ig]}static get pluginName(){return"List"}},class extends yd{static get requires(){return[Ub,Wb]}static get pluginName(){return"TodoList"}},Mf,Ch,class extends yd{toMentionAttribute(t,e){return Bw(t,e)}static get pluginName(){return"Mention"}static get requires(){return[Vw,Kw]}},function(t){t.conversion.for("upcast").elementToAttribute({view:{name:"a",key:"data-mention",classes:"mention",attributes:{href:!0,"data-user-id":!0}},model:{key:"mention",value:e=>{return t.plugins.get("Mention").toMentionAttribute(e,{link:e.getAttribute("href"),userId:e.getAttribute("data-user-id")})}},converterPriority:"high"}),t.conversion.for("downcast").attributeToElement({model:"mention",converterPriority:"high",view:(t,e)=>{if(!t)return;return e.createAttributeElement("span",{class:"mention","data-type":t.type||""})}})},class extends yd{static get pluginName(){return"PasteFromOffice"}static get requires(){return[Lu]}init(){const t=this.editor,e=[];e.push(new Nb),e.push(new Sb),t.plugins.get("Clipboard").on("inputTransformation",(t,n)=>{if(n.isTransformedWithPasteFromOffice)return;const i=n.dataTransfer.getData("text/html"),o=e.find(t=>t.isActive(i));o&&(o.execute(n),n.isTransformedWithPasteFromOffice=!0)},{priority:"high"})}},class extends yd{static get pluginName(){return"OPHelpLinkPlugin"}init(){const t=this.editor,e=(t.model,t.config.get("openProject.helpURL"));t.ui.componentFactory.add("openProjectShowFormattingHelp",t=>{const n=new od(t);return n.set({label:window.I18n.t("js.inplace.link_formatting_help"),icon:og,tooltip:!0}),n.on("execute",()=>{window.open(e,"_blank")}),n})}},class extends yd{static get pluginName(){return"CodeBlock"}static get requires(){return[fg,pg]}},class extends yd{static get pluginName(){return"OPPreview"}init(){const t=this.editor;let e=!1,n=null;t.ui.componentFactory.add("preview",i=>{const o=new od(i);o.set({label:this.label,icon:mg,tooltip:!0});let r=function(e){let i,r=jQuery(t.ui.getEditableElement()).parent();i=r.length?r:$editable;let s=jQuery('<div class="ck-editor__preview"></div>');i.siblings(".ck-editor__preview").remove();const a=Ld(t,"ckEditorPreview");n=a.render(s[0],e),i.hide(),i.after(s),bg(t,o)},s=function(){let e=function(t){return _.get(t.config,"_config.openProject.context.previewContext")}(t),n=jd(t).api.v3.previewMarkup(e);jQuery.ajax({data:t.getData(),url:n,response_type:"text",contentType:"text/plain; charset=UTF-8",method:"POST"}).done(r)};return o.on("execute",()=>{e?(e=!1,function(){let e=jQuery(t.ui.getEditableElement()).parent();n(),e.siblings(".ck-editor__preview").remove(),e.show(),wg(t)}()):(e=!0,s())}),o})}get label(){return window.I18n.t("js.editor.preview")}},class extends yd{static get pluginName(){return"OPSourceCode"}init(){const t=this.editor;let e=!1,n={source:window.I18n.t("js.editor.mode.manual"),wysiwyg:window.I18n.t("js.editor.mode.wysiwyg")};t.ui.componentFactory.add("opShowSource",i=>{const o=new od(i);o.set({label:n.source,class:"",icon:Dw,tooltip:!0});return o.on("execute",()=>{e?(e=!1,function(){let e=jQuery(t.ui.getEditableElement()).parent();t.fire("op:source-code-disabled"),e.siblings(".ck-editor__source").remove(),e.show(),wg(t),o.set({label:n.source,class:"",icon:Dw,tooltip:!0})}()):(e=!0,function(e){let i,r=jQuery(t.ui.getEditableElement()).parent();i=r.length?r:$editable;let s=jQuery('<div class="ck-editor__source"></div>');i.siblings(".ck-editor__source").remove(),i.hide(),i.after(s),bg(t,o),t.fire("op:source-code-enabled"),o.set({label:n.wysiwyg,class:"-source-enabled",icon:Mw,tooltip:!0})}())}),o})}},function(t){t.data.processor=new Ow},class extends yd{static get requires(){return[bb,Cb,Wd]}static get pluginName(){return"Table"}}
/**
* @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/,class extends yd{static get requires(){return[Pp]}static get pluginName(){return"TableToolbar"}afterInit(){const t=this.editor,e=t.t,n=t.plugins.get(Pp),i=t.config.get("table.contentToolbar"),o=t.config.get("table.tableToolbar");i&&n.register("tableContent",{ariaLabel:e("c"),items:i,getRelatedElement:Eg}),o&&n.register("table",{ariaLabel:e("c"),items:o,getRelatedElement:Tg})}},class extends yd{init(){const t=this.editor,e=(t.config.get("removePlugins")||[]).map(t=>t.pluginName),n=window.I18n.t("js.editor.macro.dropdown.chose_macro");!0!==t.config.get("openProject.disableAllMacros")&&t.ui.componentFactory.add("macroList",i=>{const o=[];for(const n of Yw){if(-1!==e.indexOf(n.pluginName))continue;const i=t.ui.componentFactory.create(n.buttonName);o.push(i)}const r=hd(i);return fd(r,o),r.buttonView.set({isOn:!1,withText:!0,tooltip:n,label:window.I18n.t("js.editor.macro.dropdown.macros")}),r.toolbarView.isVertical=!0,r.toolbarView.className="op-macro-list-button",r})}}].concat(Yw,Xw);function ek(t){const e=document.createElement("span");return e.classList.add("mention-list-item"),e.textContent=t.name,e}const nk={heading:{options:[{model:"paragraph",title:"Paragraph",class:"ck-heading_paragraph"},{model:"heading1",view:"h1",title:"Heading 1",class:"ck-heading_heading1"},{model:"heading2",view:"h2",title:"Heading 2",class:"ck-heading_heading2"},{model:"heading3",view:"h3",title:"Heading 3",class:"ck-heading_heading3"},{model:"heading4",view:"h4",title:"Heading 4",class:"ck-heading_heading4"},{model:"heading5",view:"h5",title:"Heading 5",class:"ck-heading_heading5"}]},toolbar:{},OPMacroEmbeddedTable:{toolbar:["opEditEmbeddedTableQuery"]},OPMacroWpButton:{toolbar:["opEditWpMacroButton"]},OPWikiIncludePage:{toolbar:["opEditWikiIncludeMacroButton"]},OPCodeBlock:{toolbar:["opEditCodeBlock"]},OPChildPages:{toolbar:["opEditChildPagesMacroButton"]},image:{toolbar:["imageStyle:full","|","imageTextAlternative"]},table:{contentToolbar:["tableColumn","tableRow","mergeTableCells"]},mention:{feeds:[{marker:"@",feed:function(t){let e=qd(this);if(!e||"WorkPackage"!==e._type)return[];const n=e.project.idFromLink,i=jd(this).api.v3.principals(n,t);let o=window.OpenProject.urlRoot+"/users/";return new Promise((t,e)=>{jQuery.getJSON(i,e=>{t(e._embedded.elements.map(t=>{const e=`${t._type.toLowerCase()}#${t.id}`;return{type:"user",id:`@${t.id}`,text:e,name:t.name,link:o+t.id}}))})})},itemRenderer:ek,minimumCharacters:0},{marker:"#",feed:function(t){const e=window.OpenProject.urlRoot+"/work_packages/auto_complete.json";let n=window.OpenProject.urlRoot+"/work_packages/";return new Promise((i,o)=>{jQuery.getJSON(e,{q:t,scope:"all"},t=>{i(t.map(t=>{const e=`#${t.id}`;return{type:"work_package",id:e,text:e,name:t.to_s,link:n+t.id}}))})})},itemRenderer:ek,minimumCharacters:1}]},language:"en"};function ik(t){return(e,n)=>{const i=n.openProject.context;n.removePlugins=n.removePlugins||[];const o=i.resource;if(o&&o.canAddAttachments||n.removePlugins.push(...Xw.map(t=>t.pluginName)),!1===i.macros&&(n.openProject.disableAllMacros=!0,n.removePlugins.push(...Yw.map(t=>t.pluginName))),Array.isArray(i.macros)){const t=Yw.filter(t=>-1===i.macros.indexOf(t.pluginName));n.removePlugins.push(...t)}return t.create(e,n)}}n.d(e,"ConstrainedEditor",(function(){return ok})),n.d(e,"FullEditor",(function(){return rk}));class ok extends vd{}class rk extends vd{}window.OPConstrainedEditor=ok,window.OPClassicEditor=rk,rk.createCustomized=ik(rk),rk.builtinPlugins=tk,rk.defaultConfig=Object.assign({},nk),rk.defaultConfig.toolbar={items:["heading","|","bold","italic","strikethrough","code","insertCodeBlock","link","bulletedList","numberedList","todoList","imageUpload","blockQuote","|","insertTable","macroList","|","undo","redo","openProjectShowFormattingHelp","|","preview","opShowSource"]},ok.createCustomized=ik(ok),ok.builtinPlugins=tk,ok.defaultConfig=Object.assign({},nk),ok.defaultConfig.toolbar={items:["bold","italic","strikethrough","code","insertCodeBlock","link","bulletedList","numberedList","todoList","imageUpload","blockQuote","|","openProjectShowFormattingHelp","pre
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