/*
 Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
 For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
(function(){function q(a,f,d,b){if(!a.isReadOnly()&&!a.equals(d.editable())){CKEDITOR.dom.element.setMarker(b,a,"bidi_processed",1);b=a;for(var c=d.editable();(b=b.getParent())&&!b.equals(c);)if(b.getCustomData("bidi_processed")){a.removeStyle("direction");a.removeAttribute("dir");return}b="useComputedState"in d.config?d.config.useComputedState:1;(b?a.getComputedStyle("direction"):a.getStyle("direction")||a.hasAttribute("dir"))!=f&&(a.removeStyle("direction"),b?(a.removeAttribute("dir"),f!=a.getComputedStyle("direction")&&
a.setAttribute("dir",f)):a.setAttribute("dir",f),d.forceNextSelectionCheck())}}function v(a,f,d){var b=a.getCommonAncestor(!1,!0);a=a.clone();a.enlarge(d==CKEDITOR.ENTER_BR?CKEDITOR.ENLARGE_LIST_ITEM_CONTENTS:CKEDITOR.ENLARGE_BLOCK_CONTENTS);if(a.checkBoundaryOfElement(b,CKEDITOR.START)&&a.checkBoundaryOfElement(b,CKEDITOR.END)){for(var c;b&&b.type==CKEDITOR.NODE_ELEMENT&&(c=b.getParent())&&1==c.getChildCount()&&!(b.getName()in f);)b=c;return b.type==CKEDITOR.NODE_ELEMENT&&b.getName()in f&&b}}function p(a){return{context:"p",
allowedContent:{"h1 h2 h3 h4 h5 h6 table ul ol blockquote div tr p div li td":{propertiesOnly:!0,attributes:"dir"}},requiredContent:"p[dir]",refresh:function(a,d){var b=a.config.useComputedState,c,b=void 0===b||b;if(!b){c=d.lastElement;for(var h=a.editable();c&&!(c.getName()in u||c.equals(h));){var e=c.getParent();if(!e)break;c=e}}c=c||d.block||d.blockLimit;c.equals(a.editable())&&(h=a.getSelection().getRanges()[0].getEnclosedNode())&&h.type==CKEDITOR.NODE_ELEMENT&&(c=h);c&&(b=b?c.getComputedStyle("direction"):
c.getStyle("direction")||c.getAttribute("dir"),a.getCommand("bidirtl").setState("rtl"==b?CKEDITOR.TRISTATE_ON:CKEDITOR.TRISTATE_OFF),a.getCommand("bidiltr").setState("ltr"==b?CKEDITOR.TRISTATE_ON:CKEDITOR.TRISTATE_OFF));b=(d.block||d.blockLimit||a.editable()).getDirection(1);b!=(a._.selDir||a.lang.dir)&&(a._.selDir=b,a.fire("contentDirChanged",b))},exec:function(f){var d=f.getSelection(),b=f.config.enterMode,c=d.getRanges();if(c&&c.length){for(var h={},e=d.createBookmarks(),c=c.createIterator(),g,
l=0;g=c.getNextRange(1);){var k=g.getEnclosedNode();k&&(!k||k.type==CKEDITOR.NODE_ELEMENT&&k.getName()in r)||(k=v(g,t,b));k&&q(k,a,f,h);var m=new CKEDITOR.dom.walker(g),n=e[l].startNode,p=e[l++].endNode;m.evaluator=function(a){var c=b==CKEDITOR.ENTER_P?"p":"div",d;if(d=(a?a.type==CKEDITOR.NODE_ELEMENT:!1)&&a.getName()in t){if(c=a.is(c))c=(c=a.getParent())?c.type==CKEDITOR.NODE_ELEMENT:!1;d=!(c&&a.getParent().is("blockquote"))}return!!(d&&a.getPosition(n)&CKEDITOR.POSITION_FOLLOWING&&(a.getPosition(p)&
CKEDITOR.POSITION_PRECEDING+CKEDITOR.POSITION_CONTAINS)==CKEDITOR.POSITION_PRECEDING)};for(;k=m.next();)q(k,a,f,h);g=g.createIterator();for(g.enlargeBr=b!=CKEDITOR.ENTER_BR;k=g.getNextParagraph(b==CKEDITOR.ENTER_P?"p":"div");)q(k,a,f,h)}CKEDITOR.dom.element.clearAllMarkers(h);f.forceNextSelectionCheck();d.selectBookmarks(e);f.focus()}}}}function w(a){var f=a==l.setAttribute,d=a==l.removeAttribute,b=/\bdirection\s*:\s*(.*?)\s*(:?$|;)/;return function(c,h){if(!this.isReadOnly()){var e;if(e=c==(f||d?
"dir":"direction")||"style"==c&&(d||b.test(h))){a:{e=this;for(var g=e.getDocument().getBody().getParent();e;){if(e.equals(g)){e=!1;break a}e=e.getParent()}e=!0}e=!e}if(e&&(e=this.getDirection(1),g=a.apply(this,arguments),e!=this.getDirection(1)))return this.getDocument().fire("dirChanged",this),g}return a.apply(this,arguments)}}var t={table:1,ul:1,ol:1,blockquote:1,div:1},r={},u={};CKEDITOR.tools.extend(r,t,{tr:1,p:1,div:1,li:1});CKEDITOR.tools.extend(u,r,{td:1});CKEDITOR.plugins.add("bidi",{lang:"af,ar,az,bg,bn,bs,ca,cs,cy,da,de,de-ch,el,en,en-au,en-ca,en-gb,eo,es,es-mx,et,eu,fa,fi,fo,fr,fr-ca,gl,gu,he,hi,hr,hu,id,is,it,ja,ka,km,ko,ku,lt,lv,mk,mn,ms,nb,nl,no,oc,pl,pt,pt-br,ro,ru,si,sk,sl,sq,sr,sr-latn,sv,th,tr,tt,ug,uk,vi,zh,zh-cn",
icons:"bidiltr,bidirtl",hidpi:!0,init:function(a){function f(b,c,d,e,f){a.addCommand(d,new CKEDITOR.command(a,e));a.ui.addButton&&a.ui.addButton(b,{label:c,command:d,toolbar:"bidi,"+f})}if(!a.blockless){var d=a.lang.bidi;f("BidiLtr",d.ltr,"bidiltr",p("ltr"),10);f("BidiRtl",d.rtl,"bidirtl",p("rtl"),20);a.on("contentDom",function(){a.document.on("dirChanged",function(b){a.fire("dirChanged",{node:b.data,dir:b.data.getDirection(1)})})});a.on("contentDirChanged",function(b){b=(a.lang.dir!=b.data?"add":
"remove")+"Class";var c=a.ui.space(a.config.toolbarLocation);if(c)c[b]("cke_mixed_dir_content")})}}});for(var l=CKEDITOR.dom.element.prototype,n=["setStyle","removeStyle","setAttribute","removeAttribute"],m=0;m<n.length;m++)l[n[m]]=CKEDITOR.tools.override(l[n[m]],w)})();