     {
         var i:int;
         var n:int;
-        var location:int;
-        var uid:String;
         var parentOfChangingNode:Object;
         var changingNode:Object;
-        var items:Array;
         var convertedEvent:CollectionEvent;
 
         if (event is CollectionEvent)

                        // if the parent node is opened
                        if (_openNodes[UIDUtil.getUID(parentOfChangingNode)] != null)
                        {
                            var newNode:Object = ce.items[i].newValue;
                            uid = UIDUtil.getUID(newNode);
                            parentMap[uid] = parentOfChangingNode;
                            
                            // delete the parent map for the old node
                            delete parentMap[UIDUtil.getUID(changingNode)];
                        }
                    }
                }

                    dispatchEvent(convertedEvent);
                }
                dispatchEvent(event);

                for (i = 0; i < n; i++)
                {
                    changingNode = ce.items[i].oldValue;
                    parentOfChangingNode = getParentItem(changingNode);

                    if (parentOfChangingNode != null && _openNodes[UIDUtil.getUID(parentOfChangingNode)] != null)
                        delete parentMap[UIDUtil.getUID(changingNode)];
                }
            }
            else if (ce.kind == CollectionEventKind.RESET)
            {
