Thanks flex guru, The problem is solved now. When I changed XMLListCollection to XML everthing started working fine. The problem was with some internal binding of XMLListCollection. Regards, Shaun. On 24 September 2010 11:33, flex guru <[email protected]> wrote:
> Hi, > > Check out with experts on askmeflash.com if you are still looking for the > solution. It's quite an active and fast forum in providing solutions to your > problems in flash, flex, FMS and ActionScript. Hundreds of flash developers > are already using it. It's free to ask and doesn't require registration. Use > this link to post question over there: http://askmeflash.com/askquestion > > Thanks, > > On Tue, Sep 21, 2010 at 11:17 PM, shaun thomas <[email protected] > > wrote: > >> Hai, >> >> I have a flex application with 2 tree. I should allow the drag and drop >> from left tree to right tree based on the local name of XML. While working >> on this I encountered peculiar kind of problems. >> >> - when dragged and dropped to right tree from left tree, the dragged item >> in lefttree is appearing twice >> - when certain items are dragged to right, they are appearing twice in >> right side tree. >> >> Here is the code >> >> >> //Code >> >> >> private function mouseMoveHandler(event:MouseEvent):void >> { >> // Get the object of drag initiator >> var dragInitiator:Tree = Tree(event.currentTarget); >> >> // >> var dragItems:Array = dragInitiator.selectedItems as Array; >> >> //Create a DragSource object >> var dragSource:DragSource = new DragSource(); >> >> // Add item to object >> dragSource.addData(dragItems,'treeItems'); >> >> // Call drag manager to start drag >> DragManager.doDrag(dragInitiator,dragSource,event); >> >> } >> >> private function dragEnterHandler(event:DragEvent):void >> { >> // Checking the source format to decide whether to accept or not >> event.preventDefault(); >> if(event.dragSource.hasFormat('treeItems')) >> { >> //Get the object of drop targer >> var dropTarget:Tree = Tree(event.currentTarget); >> >> //To accept the drop >> DragManager.acceptDragDrop(dropTarget); >> >> // Show readiness to accept >> DragManager.showFeedback(DragManager.COPY); >> } >> } >> private function dragDropHandler(event:DragEvent):void >> { >> event.preventDefault(); >> // Getting the initiator reference >> var initiator:String = (event.dragInitiator as Tree).id; >> >> // Getting the items dragged >> var draggedItems:Array = event.dragSource.dataForFormat("treeItems") >> as Array; >> >> // Getting the reference of drop target >> var dropTarget:Tree = Tree(event.currentTarget); >> >> if(initiator == "leftTree") >> { >> // Add each dragged item to the Tree by apppending it >> // as a child of the selected node in the Tree. >> for each( var object:Object in draggedItems) >> { >> var itemXML:XML = object as XML; >> >> >> if(itemXML.localName() == "list1") >> { >> >> IList(dropTarget.dataProvider).addItem(itemXML); >> trace(itemXML.toXMLString()); >> } >> else >> { >> trace(itemXML.toXMLString()); >> >> } >> >> } >> } >> else >> trace("Drag not from left tree"); >> } >> <mx:HBox> >> <mx:Tree id="leftTree" >> dataProvider="{XMLColln}" >> labelField="@label" showRoot="false" >> width="300" height="500" >> folderClosedIcon="{folderIcon}" >> folderOpenIcon="{folderIcon}" >> defaultLeafIcon="{leafIcon}" >> disclosureClosedIcon="{itemExpand}" >> disclosureOpenIcon="{itemCollapse}" >> left="20" top="50" >> dragEnabled="true"/> >> >> >> >> <mx:Tree id="rightTree" >> dataProvider="{XMLColln2}" >> width="300" height="500" >> folderClosedIcon="{folderIcon}" >> folderOpenIcon="{folderIcon}" >> defaultLeafIcon="{leafIcon}" >> disclosureClosedIcon="{itemExpand}" >> disclosureOpenIcon="{itemCollapse}" >> labelField="@label" showRoot="false" >> dragEnter="dragEnterHandler(event)" >> dragDrop="dragDropHandler(event)"/> >> >> </mx:HBox> >> >> // Code end >> >> Can anyone please help in figuring out solution to this problem. >> >> Thanks in advance. >> Shaun. >> >> -- >> Shaun Thomas >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Flex India Community" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]<flex_india%[email protected]> >> . >> For more options, visit this group at >> http://groups.google.com/group/flex_india?hl=en. >> > > -- Shaun Thomas -- You received this message because you are subscribed to the Google Groups "Flex India Community" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/flex_india?hl=en.
