You might need a custom ITreeDataDescriptor implementation.
On 2/26/10 11:13 PM, "Patil Yogesh" <[email protected]> wrote: I am trying to construct dataprovider from two different sources in Tree control. I am able to construct it but when I perform drag and drop operation on nodes in tree, it gives a weird behavior. Following is the prototype for that: <?xml version="1.0" encoding="utf-8"?> <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"; xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/halo" initialize="initTree(event)"> <fx:Script> <![CDATA[ import mx.collections.ArrayCollection; import mx.events.FlexEvent; [Bindable] private var treeData : ArrayCollection = new ArrayCollection(); [Bindable] private var testData : ArrayCollection; [Bindable] private var testData2 : ArrayCollection; protected function initTree(event:FlexEvent):void { testData = new ArrayCollection([{label:"One"}, {label:"Two"}, {label:"Three"}]); testData2 = new ArrayCollection([{label:"One"}, {label:"Two"}, {label:"Three"}]); createDataProvider(); treeControl.dataProvider = treeData; } private function createDataProvider() : void { for(var i : int = 0; i < testData.length; i++) { var label : String = testData[i].label; var list : ArrayCollection = new ArrayCollection(); list.list = testData2.list; var filter : Function = function(obj : Object) : Boolean { if(obj.label == label) return true; return false; }; list.filterFunction = filter; list.refresh(); treeData.addItem({label:testData[i].label, children:list}); } } ]]> </fx:Script> <mx:VBox width="100%"> <mx:Tree id="treeControl" width="100%" right="-1" left="-1" bottom="-1" top="44" borderAlpha="0.75" dragEnabled="true" dropEnabled="true"/> </mx:VBox> </s:Application> ----- -- Regards, Yogesh Patil. -- Alex Harui Flex SDK Team Adobe System, Inc. http://blogs.adobe.com/aharui
