X-Git-Url: https://scm.cri.ensmp.fr/git/ckeditor.git/blobdiff_plain/256592bf803e851aa7fc953e08a6e9e58d970f8c..871bad8291b6dbc29d489d95d185458caab25158:/skins/ckeditor/_source/core/dom/elementpath.js

diff --git a/skins/ckeditor/_source/core/dom/elementpath.js b/skins/ckeditor/_source/core/dom/elementpath.js
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+/*
+Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.html or http://ckeditor.com/license
+*/
+
+(function()
+{
+	// Elements that may be considered the "Block boundary" in an element path.
+	var pathBlockElements = { address:1,blockquote:1,dl:1,h1:1,h2:1,h3:1,h4:1,h5:1,h6:1,p:1,pre:1,li:1,dt:1,dd:1, legend:1,caption:1 };
+
+	// Elements that may be considered the "Block limit" in an element path.
+	var pathBlockLimitElements = { body:1,div:1,table:1,tbody:1,tr:1,td:1,th:1,form:1,fieldset:1 };
+
+	// Check if an element contains any block element.
+	var checkHasBlock = function( element )
+	{
+		var childNodes = element.getChildren();
+
+		for ( var i = 0, count = childNodes.count() ; i < count ; i++ )
+		{
+			var child = childNodes.getItem( i );
+
+			if ( child.type == CKEDITOR.NODE_ELEMENT && CKEDITOR.dtd.$block[ child.getName() ] )
+				return true;
+		}
+
+		return false;
+	};
+
+	/**
+	 * @class
+	 */
+	CKEDITOR.dom.elementPath = function( lastNode )
+	{
+		var block = null;
+		var blockLimit = null;
+		var elements = [];
+
+		var e = lastNode;
+
+		while ( e )
+		{
+			if ( e.type == CKEDITOR.NODE_ELEMENT )
+			{
+				if ( !this.lastElement )
+					this.lastElement = e;
+
+				var elementName = e.getName();
+				if ( CKEDITOR.env.ie && e.$.scopeName != 'HTML' )
+					elementName = e.$.scopeName.toLowerCase() + ':' + elementName;
+
+				if ( !blockLimit )
+				{
+					if ( !block && pathBlockElements[ elementName ] )
+						block = e;
+
+					if ( pathBlockLimitElements[ elementName ] )
+					{
+						// DIV is considered the Block, if no block is available (#525)
+						// and if it doesn't contain other blocks.
+						if ( !block && elementName == 'div' && !checkHasBlock( e ) )
+							block = e;
+						else
+							blockLimit = e;
+					}
+				}
+
+				elements.push( e );
+
+				if ( elementName == 'body' )
+					break;
+			}
+			e = e.getParent();
+		}
+
+		this.block = block;
+		this.blockLimit = blockLimit;
+		this.elements = elements;
+	};
+})();
+
+CKEDITOR.dom.elementPath.prototype =
+{
+	/**
+	 * Compares this element path with another one.
+	 * @param {CKEDITOR.dom.elementPath} otherPath The elementPath object to be
+	 * compared with this one.
+	 * @returns {Boolean} "true" if the paths are equal, containing the same
+	 * number of elements and the same elements in the same order.
+	 */
+	compare : function( otherPath )
+	{
+		var thisElements = this.elements;
+		var otherElements = otherPath && otherPath.elements;
+
+		if ( !otherElements || thisElements.length != otherElements.length )
+			return false;
+
+		for ( var i = 0 ; i < thisElements.length ; i++ )
+		{
+			if ( !thisElements[ i ].equals( otherElements[ i ] ) )
+				return false;
+		}
+
+		return true;
+	},
+
+	contains : function( tagNames )
+	{
+		var elements = this.elements;
+		for ( var i = 0 ; i < elements.length ; i++ )
+		{
+			if ( elements[ i ].getName() in tagNames )
+				return elements[ i ];
+		}
+
+		return null;
+	}
+};