/*
 Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 For licensing, see LICENSE.md or http://ckeditor.com/license
*/
(function(){function m(a,d){CKEDITOR.tools.extend(this,{editor:a,editable:a.editable(),doc:a.document,win:a.window},d,!0);this.inline=this.editable.isInline();this.inline||(this.frame=this.win.getFrame());this.target=this[this.inline?"editable":"doc"]}function n(a,d){CKEDITOR.tools.extend(this,d,{editor:a},!0)}function p(a,d){var b=a.editable();CKEDITOR.tools.extend(this,{editor:a,editable:b,inline:b.isInline(),doc:a.document,win:a.window,container:CKEDITOR.document.getBody(),winTop:CKEDITOR.document.getWindow()},
d,!0);this.hidden={};this.visible={};this.inline||(this.frame=this.win.getFrame());this.queryViewport();var c=CKEDITOR.tools.bind(this.queryViewport,this),e=CKEDITOR.tools.bind(this.hideVisible,this),g=CKEDITOR.tools.bind(this.removeAll,this);b.attachListener(this.winTop,"resize",c);b.attachListener(this.winTop,"scroll",c);b.attachListener(this.winTop,"resize",e);b.attachListener(this.win,"scroll",e);b.attachListener(this.inline?b:this.frame,"mouseout",function(a){var b=a.data.$.clientX;a=a.data.$.clientY;
this.queryViewport();(b<=this.rect.left||b>=this.rect.right||a<=this.rect.top||a>=this.rect.bottom)&&this.hideVisible();(0>=b||b>=this.winTopPane.width||0>=a||a>=this.winTopPane.height)&&this.hideVisible()},this);b.attachListener(a,"resize",c);b.attachListener(a,"mode",g);a.on("destroy",g);this.lineTpl=(new CKEDITOR.template('\x3cdiv data-cke-lineutils-line\x3d"1" class\x3d"cke_reset_all" style\x3d"{lineStyle}"\x3e\x3cspan style\x3d"{tipLeftStyle}"\x3e\x26nbsp;\x3c/span\x3e\x3cspan style\x3d"{tipRightStyle}"\x3e\x26nbsp;\x3c/span\x3e\x3c/div\x3e')).output({lineStyle:CKEDITOR.tools.writeCssText(CKEDITOR.tools.extend({},
t,this.lineStyle,!0)),tipLeftStyle:CKEDITOR.tools.writeCssText(CKEDITOR.tools.extend({},q,{left:"0px","border-left-color":"red","border-width":"6px 0 6px 6px"},this.tipCss,this.tipLeftStyle,!0)),tipRightStyle:CKEDITOR.tools.writeCssText(CKEDITOR.tools.extend({},q,{right:"0px","border-right-color":"red","border-width":"6px 6px 6px 0"},this.tipCss,this.tipRightStyle,!0))})}function l(a){var d;if(d=a&&a.type==CKEDITOR.NODE_ELEMENT)d=!(r[a.getComputedStyle("float")]||r[a.getAttribute("align")]);return d&&
!u[a.getComputedStyle("position")]}CKEDITOR.plugins.add("lineutils");CKEDITOR.LINEUTILS_BEFORE=1;CKEDITOR.LINEUTILS_AFTER=2;CKEDITOR.LINEUTILS_INSIDE=4;m.prototype={start:function(a){var d=this,b=this.editor,c=this.doc,e,g,f,h,k=CKEDITOR.tools.eventsBuffer(50,function(){b.readOnly||"wysiwyg"!=b.mode||(d.relations={},(g=c.$.elementFromPoint(f,h))&&g.nodeType&&(e=new CKEDITOR.dom.element(g),d.traverseSearch(e),isNaN(f+h)||d.pixelSearch(e,f,h),a&&a(d.relations,f,h)))});this.listener=this.editable.attachListener(this.target,
"mousemove",function(a){f=a.data.$.clientX;h=a.data.$.clientY;k.input()});this.editable.attachListener(this.inline?this.editable:this.frame,"mouseout",function(){k.reset()})},stop:function(){this.listener&&this.listener.removeListener()},getRange:function(){var a={};a[CKEDITOR.LINEUTILS_BEFORE]=CKEDITOR.POSITION_BEFORE_START;a[CKEDITOR.LINEUTILS_AFTER]=CKEDITOR.POSITION_AFTER_END;a[CKEDITOR.LINEUTILS_INSIDE]=CKEDITOR.POSITION_AFTER_START;return function(d){var b=this.editor.createRange();b.moveToPosition(this.relations[d.uid].element,
a[d.type]);return b}}(),store:function(){function a(a,b,c){var e=a.getUniqueId();e in c?c[e].type|=b:c[e]={element:a,type:b}}return function(d,b){var c;b&CKEDITOR.LINEUTILS_AFTER&&l(c=d.getNext())&&c.isVisible()&&(a(c,CKEDITOR.LINEUTILS_BEFORE,this.relations),b^=CKEDITOR.LINEUTILS_AFTER);b&CKEDITOR.LINEUTILS_INSIDE&&l(c=d.getFirst())&&c.isVisible()&&(a(c,CKEDITOR.LINEUTILS_BEFORE,this.relations),b^=CKEDITOR.LINEUTILS_INSIDE);a(d,b,this.relations)}}(),traverseSearch:function(a){var d,b,c;do if(c=a.$["data-cke-expando"],
!(c&&c in this.relations)){if(a.equals(this.editable))break;if(l(a))for(d in this.lookups)(b=this.lookups[d](a))&&this.store(a,b)}while((!a||a.type!=CKEDITOR.NODE_ELEMENT||"true"!=a.getAttribute("contenteditable"))&&(a=a.getParent()))},pixelSearch:function(){function a(a,c,e,g,f){for(var h=0,k;f(e);){e+=g;if(25==++h)break;if(k=this.doc.$.elementFromPoint(c,e))if(k==a)h=0;else if(d(a,k)&&(h=0,l(k=new CKEDITOR.dom.element(k))))return k}}var d=CKEDITOR.env.ie||CKEDITOR.env.webkit?function(a,c){return a.contains(c)}:
function(a,c){return!!(a.compareDocumentPosition(c)&16)};return function(b,c,d){var g=this.win.getViewPaneSize().height,f=a.call(this,b.$,c,d,-1,function(a){return 0<a});c=a.call(this,b.$,c,d,1,function(a){return a<g});if(f)for(this.traverseSearch(f);!f.getParent().equals(b);)f=f.getParent();if(c)for(this.traverseSearch(c);!c.getParent().equals(b);)c=c.getParent();for(;f||c;){f&&(f=f.getNext(l));if(!f||f.equals(c))break;this.traverseSearch(f);c&&(c=c.getPrevious(l));if(!c||c.equals(f))break;this.traverseSearch(c)}}}(),
greedySearch:function(){this.relations={};for(var a=this.editable.getElementsByTag("*"),d=0,b,c,e;b=a.getItem(d++);)if(!b.equals(this.editable)&&b.type==CKEDITOR.NODE_ELEMENT&&(b.hasAttribute("contenteditable")||!b.isReadOnly())&&l(b)&&b.isVisible())for(e in this.lookups)(c=this.lookups[e](b))&&this.store(b,c);return this.relations}};n.prototype={locate:function(){function a(a,b){var c=a.element[b===CKEDITOR.LINEUTILS_BEFORE?"getPrevious":"getNext"]();return c&&l(c)?(a.siblingRect=c.getClientRect(),
b==CKEDITOR.LINEUTILS_BEFORE?(a.siblingRect.bottom+a.elementRect.top)/2:(a.elementRect.bottom+a.siblingRect.top)/2):b==CKEDITOR.LINEUTILS_BEFORE?a.elementRect.top:a.elementRect.bottom}return function(d){var b;this.locations={};for(var c in d)b=d[c],b.elementRect=b.element.getClientRect(),b.type&CKEDITOR.LINEUTILS_BEFORE&&this.store(c,CKEDITOR.LINEUTILS_BEFORE,a(b,CKEDITOR.LINEUTILS_BEFORE)),b.type&CKEDITOR.LINEUTILS_AFTER&&this.store(c,CKEDITOR.LINEUTILS_AFTER,a(b,CKEDITOR.LINEUTILS_AFTER)),b.type&
CKEDITOR.LINEUTILS_INSIDE&&this.store(c,CKEDITOR.LINEUTILS_INSIDE,(b.elementRect.top+b.elementRect.bottom)/2);return this.locations}}(),sort:function(){var a,d,b,c;return function(e,g){a=this.locations;d=[];for(var f in a)for(var h in a[f])if(b=Math.abs(e-a[f][h]),d.length){for(c=0;c<d.length;c++)if(b<d[c].dist){d.splice(c,0,{uid:+f,type:h,dist:b});break}c==d.length&&d.push({uid:+f,type:h,dist:b})}else d.push({uid:+f,type:h,dist:b});return"undefined"!=typeof g?d.slice(0,g):d}}(),store:function(a,
d,b){this.locations[a]||(this.locations[a]={});this.locations[a][d]=b}};var q={display:"block",width:"0px",height:"0px","border-color":"transparent","border-style":"solid",position:"absolute",top:"-6px"},t={height:"0px","border-top":"1px dashed red",position:"absolute","z-index":9999};p.prototype={removeAll:function(){for(var a in this.hidden)this.hidden[a].remove(),delete this.hidden[a];for(a in this.visible)this.visible[a].remove(),delete this.visible[a]},hideLine:function(a){var d=a.getUniqueId();
a.hide();this.hidden[d]=a;delete this.visible[d]},showLine:function(a){var d=a.getUniqueId();a.show();this.visible[d]=a;delete this.hidden[d]},hideVisible:function(){for(var a in this.visible)this.hideLine(this.visible[a])},placeLine:function(a,d){var b,c,e;if(b=this.getStyle(a.uid,a.type)){for(e in this.visible)if(this.visible[e].getCustomData("hash")!==this.hash){c=this.visible[e];break}if(!c)for(e in this.hidden)if(this.hidden[e].getCustomData("hash")!==this.hash){this.showLine(c=this.hidden[e]);
break}c||this.showLine(c=this.addLine());c.setCustomData("hash",this.hash);this.visible[c.getUniqueId()]=c;c.setStyles(b);d&&d(c)}},getStyle:function(a,d){var b=this.relations[a],c=this.locations[a][d],e={};e.width=b.siblingRect?Math.max(b.siblingRect.width,b.elementRect.width):b.elementRect.width;e.top=this.inline?c+this.winTopScroll.y-this.rect.relativeY:this.rect.top+this.winTopScroll.y+c;if(e.top-this.winTopScroll.y<this.rect.top||e.top-this.winTopScroll.y>this.rect.bottom)return!1;this.inline?
e.left=b.elementRect.left-this.rect.relativeX:(0<b.elementRect.left?e.left=this.rect.left+b.elementRect.left:(e.width+=b.elementRect.left,e.left=this.rect.left),0<(b=e.left+e.width-(this.rect.left+this.winPane.width))&&(e.width-=b));e.left+=this.winTopScroll.x;for(var g in e)e[g]=CKEDITOR.tools.cssLength(e[g]);return e},addLine:function(){var a=CKEDITOR.dom.element.createFromHtml(this.lineTpl);a.appendTo(this.container);return a},prepare:function(a,d){this.relations=a;this.locations=d;this.hash=Math.random()},
cleanup:function(){var a,d;for(d in this.visible)a=this.visible[d],a.getCustomData("hash")!==this.hash&&this.hideLine(a)},queryViewport:function(){this.winPane=this.win.getViewPaneSize();this.winTopScroll=this.winTop.getScrollPosition();this.winTopPane=this.winTop.getViewPaneSize();this.rect=this.getClientRect(this.inline?this.editable:this.frame)},getClientRect:function(a){a=a.getClientRect();var d=this.container.getDocumentPosition(),b=this.container.getComputedStyle("position");a.relativeX=a.relativeY=
0;"static"!=b&&(a.relativeY=d.y,a.relativeX=d.x,a.top-=a.relativeY,a.bottom-=a.relativeY,a.left-=a.relativeX,a.right-=a.relativeX);return a}};var r={left:1,right:1,center:1},u={absolute:1,fixed:1};CKEDITOR.plugins.lineutils={finder:m,locator:n,liner:p}})();