text: ﻿/**
   * @license Copyright (c) 2003-2013, CKSource - Frederico Knabben. All rights reserved.
   * For licensing, see LICENSE.md or http://ckeditor.com/license
   */
  
  /**
   * @fileOverview The "elementspath" plugin. It shows all elements in the DOM
   *		parent tree relative to the current selection in the editing area.
   */
  
  (function() {
  	var commands = {
  		toolbarFocus: {
  			editorFocus: false,
  			readOnly: 1,
  			exec: function( editor ) {
  				var idBase = editor._.elementsPath.idBase;
  				var element = CKEDITOR.document.getById( idBase + '0' );
  
  				// Make the first button focus accessible for IE. (#3417)
  				// Adobe AIR instead need while of delay.
  				element && element.focus( CKEDITOR.env.ie || CKEDITOR.env.air );
  			}
  		}
  	};
  
  	var emptyHtml = '<span class="cke_path_empty">&nbsp;</span>';
  
  	var extra = '';
  
  	// Some browsers don't cancel key events in the keydown but in the
  	// keypress.
  	// TODO: Check if really needed for Gecko+Mac.
  	if ( CKEDITOR.env.opera || ( CKEDITOR.env.gecko && CKEDITOR.env.mac ) )
  		extra += ' onkeypress="return false;"';
  
  	// With Firefox, we need to force the button to redraw, otherwise it
  	// will remain in the focus state.
  	if ( CKEDITOR.env.gecko )
  		extra += ' onblur="this.style.cssText = this.style.cssText;"';
  
  	var pathItemTpl = CKEDITOR.addTemplate( 'pathItem', '<a' +
  		' id="{id}"' +
  		' href="{jsTitle}"' +
  		' tabindex="-1"' +
  		' class="cke_path_item"' +
  		' title="{label}"' +
  		( ( CKEDITOR.env.gecko && CKEDITOR.env.version < 10900 ) ? ' onfocus="event.preventBubble();"' : '' ) +
  		extra +
  		' hidefocus="true" ' +
  		' onkeydown="return CKEDITOR.tools.callFunction({keyDownFn},{index}, event );"' +
  		' onclick="CKEDITOR.tools.callFunction({clickFn},{index}); return false;"' +
  		' role="button" aria-label="{label}">' +
  		'{text}' +
  		'</a>' );
  
  	CKEDITOR.plugins.add( 'elementspath', {
  		lang: 'af,ar,bg,bn,bs,ca,cs,cy,da,de,el,en,en-au,en-ca,en-gb,eo,es,et,eu,fa,fi,fo,fr,fr-ca,gl,gu,he,hi,hr,hu,is,it,ja,ka,km,ko,ku,lt,lv,mk,mn,ms,nb,nl,no,pl,pt,pt-br,ro,ru,si,sk,sl,sq,sr,sr-latn,sv,th,tr,ug,uk,vi,zh,zh-cn', // %REMOVE_LINE_CORE%
  		init: function( editor ) {
  			editor._.elementsPath = {
  				idBase: 'cke_elementspath_' + CKEDITOR.tools.getNextNumber() + '_',
  				filters: []
  			};
  
  			editor.on( 'uiSpace', function( event ) {
  				if ( event.data.space == 'bottom' )
  					initElementsPath( editor, event.data );
  			} );
  		}
  	} );
  
  	function initElementsPath( editor, bottomSpaceData ) {
  		var spaceId = editor.ui.spaceId( 'path' ),
  			spaceElement,
  			getSpaceElement = function() {
  				if ( !spaceElement )
  					spaceElement = CKEDITOR.document.getById( spaceId );
  				return spaceElement;
  			},
  			elementsPath = editor._.elementsPath,
  			idBase = elementsPath.idBase;
  
  		bottomSpaceData.html += '<span id="' + spaceId + '_label" class="cke_voice_label">' + editor.lang.elementspath.eleLabel + '</span>' +
  			'<span id="' + spaceId + '" class="cke_path" role="group" aria-labelledby="' + spaceId + '_label">' + emptyHtml + '</span>';
  
  		// Register the ui element to the focus manager.
  		editor.on( 'uiReady', function() {
  			var element = editor.ui.space( 'path' );
  			element && editor.focusManager.add( element, 1 );
  		} );
  
  		function onClick( elementIndex ) {
  			var element = elementsPath.list[ elementIndex ];
  			if ( element.equals( editor.editable() ) || element.getAttribute( 'contenteditable' ) == 'true' ) {
  				var range = editor.createRange();
  				range.selectNodeContents( element );
  				range.select();
  			} else
  				editor.getSelection().selectElement( element );
  
  			// It is important to focus() *after* the above selection
  			// manipulation, otherwise Firefox will have troubles. #10119
  			editor.focus();
  		}
  
  		elementsPath.onClick = onClick;
  
  		var onClickHanlder = CKEDITOR.tools.addFunction( onClick ),
  			onKeyDownHandler = CKEDITOR.tools.addFunction( function( elementIndex, ev ) {
  				var idBase = elementsPath.idBase,
  					element;
  
  				ev = new CKEDITOR.dom.event( ev );
  
  				var rtl = editor.lang.dir == 'rtl';
  				switch ( ev.getKeystroke() ) {
  					case rtl ? 39:
  						37 : // LEFT-ARROW
  					case 9: // TAB
  						element = CKEDITOR.document.getById( idBase + ( elementIndex + 1 ) );
  						if ( !element )
  							element = CKEDITOR.document.getById( idBase + '0' );
  						element.focus();
  						return false;
  
  					case rtl ? 37:
  						39 : // RIGHT-ARROW
  					case CKEDITOR.SHIFT + 9: // SHIFT + TAB
  						element = CKEDITOR.document.getById( idBase + ( elementIndex - 1 ) );
  						if ( !element )
  							element = CKEDITOR.document.getById( idBase + ( elementsPath.list.length - 1 ) );
  						element.focus();
  						return false;
  
  					case 27: // ESC
  						editor.focus();
  						return false;
  
  					case 13: // ENTER	// Opera
  					case 32: // SPACE
  						onClick( elementIndex );
  						return false;
  				}
  				return true;
  			} );
  
  		editor.on( 'selectionChange', function( ev ) {
  			var env = CKEDITOR.env,
  				editable = editor.editable(),
  				selection = ev.data.selection,
  				html = [],
  				elementsList = elementsPath.list = [],
  				namesList = [],
  				filters = elementsPath.filters,
  				isContentEditable = true,
  
  				// Use elementPath to consider children of editable only (#11124).
  				elementsChain = editor.elementPath().elements,
  				name;
  
  			// Starts iteration from body element, skipping html.
  			for ( var j = elementsChain.length; j--; ) {
  				var element = elementsChain[ j ],
  					ignore = 0;
  
  				if ( element.data( 'cke-display-name' ) )
  					name = element.data( 'cke-display-name' );
  				else if ( element.data( 'cke-real-element-type' ) )
  					name = element.data( 'cke-real-element-type' );
  				else
  					name = element.getName();
  
  				isContentEditable = element.hasAttribute( 'contenteditable' ) ?
  					element.getAttribute( 'contenteditable' ) == 'true' : isContentEditable;
  
  				// If elem is non-contenteditable, and it's not specifying contenteditable
  				// attribute - then elem should be ignored.
  				if ( !isContentEditable && !element.hasAttribute( 'contenteditable' ) )
  					ignore = 1;
  
  				for ( var i = 0; i < filters.length; i++ ) {
  					var ret = filters[ i ]( element, name );
  					if ( ret === false ) {
  						ignore = 1;
  						break;
  					}
  					name = ret || name;
  				}
  
  				if ( !ignore ) {
  					elementsList.unshift( element );
  					namesList.unshift( name );
  				}
  			}
  
  			for ( var iterationLimit = elementsList.length, index = 0; index < iterationLimit; index++ ) {
  				name = namesList[ index ];
  				var label = editor.lang.elementspath.eleTitle.replace( /%1/, name ),
  					item = pathItemTpl.output( {
  						id: idBase + index,
  						label: label,
  						text: name,
  						jsTitle: 'javascript:void(\'' + name + '\')',
  						index: index,
  						keyDownFn: onKeyDownHandler,
  						clickFn: onClickHanlder
  					} );
  
  				html.unshift( item );
  			}
  
  			var space = getSpaceElement();
  			space.setHtml( html.join( '' ) + emptyHtml );
  			editor.fire( 'elementsPathUpdate', { space: space } );
  		} );
  
  		function empty() {
  			spaceElement && spaceElement.setHtml( emptyHtml );
  			delete elementsPath.list;
  		}
  
  		editor.on( 'readOnly', empty );
  		editor.on( 'contentDomUnload', empty );
  
  		editor.addCommand( 'elementsPathFocus', commands.toolbarFocus );
  		editor.setKeystroke( CKEDITOR.ALT + 122 /*F11*/, 'elementsPathFocus' );
  	}
  })();
  
  /**
   * Fired when the contents of the elementsPath are changed.
   *
   * @event elementsPathUpdate
   * @member CKEDITOR.editor
   * @param {CKEDITOR.editor} editor This editor instance.
   * @param data
   * @param {CKEDITOR.dom.element} data.space The elementsPath container.
   */
  