Ticket #4188: ie6-memleaks.patch

Index: ui.core.js
===================================================================
--- ui.core.js	(revision 2623)
+++ ui.core.js	(working copy)
@@ -274,23 +274,32 @@
 			options);
 
 		this.element = $(element)
-			.bind('setData.' + name, function(event, key, value) {
-				if (event.target == element) {
-					return self._setData(key, value);
-				}
-			})
-			.bind('getData.' + name, function(event, key) {
-				if (event.target == element) {
-					return self._getData(key);
-				}
-			})
-			.bind('remove', function() {
-				return self.destroy();
-			});
+			.bind('setData.' + name, this._handleData)
+			.bind('getData.' + name, this._handleData)
+			.bind('remove', this._handleRemove);
 	};
 
 	// add widget prototype
-	$[namespace][name].prototype = $.extend({}, $.widget.prototype, prototype);
+	$[namespace][name].prototype = $.extend({}, $.widget.prototype, prototype, { 
+		_handleData : function(e, k, v){ 
+			var instance = $.data(e.target, name); 
+			if (instance)
+				return instance[ v ? '_setData' : '_getData' ](k,v); 
+		},
+		_handleRemove : function(e) { 
+			var instance = $.data(e.target, name); 
+			if (!instance) return null; 
+			
+			var result = instance.destroy(); 
+            
+            // default 
+			 instance.element
+				.removeData(instance.widgetName)
+				.unbind('.' + instance.widgetName)
+				
+			return result; 
+		}
+	});
 };
 
 $.widget.prototype = {