[flexcoders] Drag/Drop within a viewstack goes a bit awry?

[Steve Cox]

Bit of a confusing one this. I have 2 simple lists with the ability to drag/drop from one to the other. When these lists are in standard components all is fine. The dragEnter event is dispatched when you hover over any point of the other list. However when this is in a viewstack I cannot drag a list item in the first 1cm or so of the list – dragEnter is not called until you drag about 1cm below the top of the list. This seem to be compounded the more layout components the list is inside.   I’ve some sample code below – simple stuff which demonstrates the odd behaviour. Removing the viewstack removes the small area at the top of the list which is not able to accept a drag item. Have you seen anything like this?     <?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="created()">             <mx:Script>                         <![CDATA[                                     import mx.collections.IList;                                     import mx.events.DragEvent;                                     import mx.collections.ArrayCollection;                                     import mx.managers.DragManager;                                     [Bindable] private var ac : ArrayCollection;                                                                         private function created() : void                                     {                                                 var ar : Array = new Array("test","test2");                                                 ac = new ArrayCollection(ar);                                     }                                     private function doDragEnter(event:DragEvent):void                                     {                                                 var dragInitiator:List=List(event.currentTarget);                                                 DragManager.acceptDragDrop(dragInitiator);                                     }                                     private function doDragDrop(event:DragEvent):void                                     {                                                          var dropTarget:List=List(event.currentTarget);                                                              var items:Array=event.dragSource.dataForFormat("items") as Array;                                                   var dropLoc:int=dropTarget.calculateDropIndex(event);                                                          for (var i:uint=0; i < items.length; i++)                                                     {                                                             IList(dropTarget.dataProvider).addItemAt(items[i], dropLoc );                                                 }                                     }                         ]]>             </mx:Script>             <mx:ViewStack width="100%" height="100%">                         <mx:HBox width="100%" height="100%">                                     <mx:List x="31" y="53" width="100" dataProvider="{ac}" dragDrop="doDragDrop(event)" dragEnabled="true" dragMoveEnabled="true" dragEnter="doDragEnter(event)"></mx:List>                                     <mx:List x="307" y="53" width="100" dataProvider="{new ArrayCollection()}" dragDrop="doDragDrop(event)" dragEnabled="true" dragMoveEnabled="true" dragEnter="doDragEnter(event)"></mx:List>                         </mx:HBox>             </mx:ViewStack> </mx:Application>     ------------------------------------ Steve Cox Senior Online Application Developer Quba New Media www.quba.co.uk t: 0114 279 7779 f: 0114 272 2854 e:[EMAIL PROTECTED] The Maltings 81 Burton Road Sheffield S3 8BX ------------------------------------ Quba's e-mail disclaimer The information contained in this email and any attachments is intended only for the use of the individual to whom it is addressed and may contain information that is privileged and confidential, the disclosure of which is strictly prohibited by law.If you have received this e-mail in error, please notify the sender immediately and delete this e-mail. 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