X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=_source%2Fcore%2Fdom%2Fnode.js;h=661154550ab0a83efd8b080952a664e8e98fb7c2;hb=614511639979907ceb0da3614122a4d8eb963ad4;hp=30df0a192a85dcef2249d97514c93eee1d0a33e4;hpb=ea7e3453c7b0f023b050aca6d9f83ab372860d91;p=ckeditor.git

diff --git a/_source/core/dom/node.js b/_source/core/dom/node.js
index 30df0a1..6611545 100644
--- a/_source/core/dom/node.js
+++ b/_source/core/dom/node.js
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.
+Copyright (c) 2003-2010, CKSource - Frederico Knabben. All rights reserved.
 For licensing, see LICENSE.html or http://ckeditor.com/license
 */
 
@@ -25,6 +25,10 @@ CKEDITOR.dom.node = function( domNode )
 	{
 		switch ( domNode.nodeType )
 		{
+			// Safari don't consider document as element node type. (#3389)
+			case CKEDITOR.NODE_DOCUMENT :
+				return new CKEDITOR.dom.document( domNode );
+
 			case CKEDITOR.NODE_ELEMENT :
 				return new CKEDITOR.dom.element( domNode );
 
@@ -49,6 +53,13 @@ CKEDITOR.dom.node.prototype = new CKEDITOR.dom.domObject();
 CKEDITOR.NODE_ELEMENT = 1;
 
 /**
+ * Document node type.
+ * @constant
+ * @example
+ */
+CKEDITOR.NODE_DOCUMENT = 9;
+
+/**
  * Text node type.
  * @constant
  * @example
@@ -194,27 +205,30 @@ CKEDITOR.tools.extend( CKEDITOR.dom.node.prototype,
 				var parentNode = node.parentNode;
 				var currentIndex = -1;
 
-				for ( var i = 0 ; i < parentNode.childNodes.length ; i++ )
+				if ( parentNode )
 				{
-					var candidate = parentNode.childNodes[i];
-
-					if ( normalized &&
-							candidate.nodeType == 3 &&
-							candidate.previousSibling &&
-							candidate.previousSibling.nodeType == 3 )
+					for ( var i = 0 ; i < parentNode.childNodes.length ; i++ )
 					{
-						continue;
-					}
+						var candidate = parentNode.childNodes[i];
 
-					currentIndex++;
+						if ( normalized &&
+								candidate.nodeType == 3 &&
+								candidate.previousSibling &&
+								candidate.previousSibling.nodeType == 3 )
+						{
+							continue;
+						}
 
-					if ( candidate == node )
-						break;
-				}
+						currentIndex++;
 
-				address.unshift( currentIndex );
+						if ( candidate == node )
+							break;
+					}
+
+					address.unshift( currentIndex );
+				}
 
-				node = node.parentNode;
+				node = parentNode;
 			}
 
 			return address;
@@ -232,7 +246,6 @@ CKEDITOR.tools.extend( CKEDITOR.dom.node.prototype,
 			var document = new CKEDITOR.dom.document( this.$.ownerDocument || this.$.parentNode.ownerDocument );
 
 			return (
-			/** @ignore */
 			this.getDocument = function()
 				{
 					return document;
@@ -644,6 +657,45 @@ CKEDITOR.tools.extend( CKEDITOR.dom.node.prototype,
 					child.parentNode.removeChild( child ) ;
 				}
 			}
+		},
+
+		/**
+		 * Checks is this node is read-only (should not be changed). It
+		 * additionaly returns the element, if any, which defines the read-only
+		 * state of this node. It may be the node itself or any of its parent
+		 * nodes.
+		 * @returns {CKEDITOR.dom.element|Boolean} An element containing
+		 *		read-only attributes or "false" if none is found.
+		 * @since 3.5
+		 * @example
+		 * // For the following HTML:
+		 * // <div contenteditable="false">Some <b>text</b></div>
+		 *
+		 * // If "ele" is the above <div>
+		 * ele.getReadOnlyRoot();  // the <div> element
+		 *
+		 * // If "ele" is the above <b>
+		 * ele.getReadOnlyRoot();  // the <div> element
+		 */
+		isReadOnly : function()
+		{
+			var current = this;
+			while( current )
+			{
+				if ( current.type == CKEDITOR.NODE_ELEMENT )
+				{
+					if ( current.is( 'body' ) || current.getCustomData( '_cke_notReadOnly' ) )
+						break;
+
+					if ( current.getAttribute( 'contentEditable' ) == 'false' )
+						return current;
+					else if ( current.getAttribute( 'contentEditable' ) == 'true' )
+						break;
+				}
+				current = current.getParent();
+			}
+
+			return false;
 		}
 	}
 );