Are you using a custom event? And if so, did you implement the clone method?
2009/1/19 claudiu ursica <the_bran...@yahoo.com> > Hi Alex, > I can move simple leafs from the root under a folder with no custom > handlers, if the folder is open. However the thing is that I need to just > put (maybe just copy not move) the item let's say for argument sake "<node > label="Sent"/>" under "Inbox" folder. I cannot do that unless the "sent" > is under some folder and move it with the folder, because otherwise the > DragSource seeems to return an item but I cannot get the data from that > item. So I end up dropping an empty item. However as said before If I > move/copy a folder with items around it works fine ... The same happends > with the drag complete handler, for just one item the drags source traces > out to blank event though the length is 1. > > Claudiu > > ------------------------------ > *From:* Alex Harui <aha...@adobe.com> > *To:* "flexcoders@yahoogroups.com" <flexcoders@yahoogroups.com> > *Sent:* Monday, January 19, 2009 7:47:53 AM > *Subject:* RE: [flexcoders] Drag And Drop Tree > > Setting breakpoints in drag/drop generally doesn't work because you tend > to release the mouse in order to dig through the debugging info and when you > resume the drag is cancelled. > > > > Remove the custom drag event handlers and try with simple data and see if > it works. We definitely tested drag/drop in Tree so basic cases work. One > trick for Tree is that what happens on drop is different than in List. The > node is removed before it is added in Tree, and sometimes that is done in > dragComplete handler instead of dragDropHandler > > > > *From:* flexcod...@yahoogro ups.com [mailto:flexcoders@ yahoogroups. com] > *On Behalf Of *Claudiu Ursica > *Sent:* Sunday, January 18, 2009 9:59 AM > *To:* flexcod...@yahoogro ups.com > > *Subject:* [flexcoders] Drag And Drop Tree > > > > Hi I'm trying to implement the drag and drop functionality inside a > tree, dragging and dropping inside the same tree. However It seems > that I cannot drag and drop leaf nodes... When I handle enterDrag > event the item seems to be appearing only at debug time and gets lost > after that... > > here is the code.. > > <?xml version="1.0" encoding="utf-8"?> > <mx:Application xmlns:mx="http://www.adobe. com/2006/ > mxml<http://www.adobe.com/2006/mxml> > " > layout="absolute"> > > <mx:Script> > <![CDATA[ > import mx.events.DragEvent ; > import mx.managers. DragManager; > import mx.core.UIComponent ; > import mx.core.DragSource; > > > > private function onDragEnter( event : DragEvent) : void > { > var items : Array = event.dragSource. dataForFormat("treeItems") as > Array; > > trace("items ", items); > //this only shows data for branches > > //if I try drag drop a leaf like spam for > //instance I can see the node only when debugginh and when > resuming the data is gone > //when resuming even though the length is 1 > } > > /** > * The dragDrop event is dispatched when the mouse is released. > * The Tree can still ignore the drop here > */ > private function onDragDrop(event : DragEvent) : void > { > var ds : DragSource = event.dragSource; > > var items : Array = ds.dataForFormat("treeItems") as Array; > trace("items ", items); > //this display actually the drop node instead of the dragsource > > var dropTarget : Tree = Tree(event.currentT arget); > > var selectedIndex : int = myTree.calculateDro pIndex(event) ; > > myTree.selectedInde x = selectedIndex; > > var node : XML = myTree.selectedItem as XML; > var dropParent : *; > > // if the selected node has children > // then add the items at the beginning > if(myTree.dataDescr iptor.hasChildre n(node)) > { > dropParent = node; > selectedIndex = 0; > } > else > { > dropParent = node.parent( ); > } > > // taking all of the items in the DragSouce, insert them into the > // tree using parent pointer. > // taking all of the items in the DragSouce, insert them into the > // tree using parent pointer. > var xml : XML = new XML(items); > var sucess : Boolean = > myTree.dataDescript or.addChildAt( dropParent, xml, selectedIndex) ; > > > //trace(sucess) ; > > } > > > > ]]> > </mx:Script> > > <mx:Tree id="myTree" > width="300" > height="100%" > labelField="@label" > showRoot="false" > dataProvider="{treeData}" > borderStyle="none" > dragEnabled="true" > dragMoveEnabled="true" > dropEnabled="true" > dragEnter="onDragEnter( event)" > dragDrop="onDragDrop(event)"> > </mx:Tree> > > <mx:XMLList id="treeData"> > <node label="Mail Box"> > <node label="Inbox"> > <node label="Marketing"/> > <node label="Product Management"/> > <node label="Personal"/> > </node> > <node label="Inbox"> > <node label="Marketing"/> > <node label="Product Management"/> > <node label="Personal"/> > </node> > <node label="Inbox"> > <node label="Marketing"/> > <node label="Product Management"/> > <node label="Personal"/> > </node> > <node label="Outbox"> > <node label="Professional"/> > <node label="Personal"/> > <node label="Inbox"> > <node label="Marketing"/> > <node label="Product Management"/> > </node> > <node label="Personal"/> > </node> > <node label="De mutat"> > <node label="Unu"/> > <node label="Doi"/> > <node label="DoiUnu"> > <node label="DoiUnuUnu"/> > <node label="DoiUNuDoi"/> > </node> > <node label="Trei"/> > </node> > <node label="Spamu"/> > <node label="Sent"/> > <node label="Movable"/> > </node> > </mx:XMLList> > > </mx:Application> > > so the code seems to be working when drag and dropping an folder but > not when dropping a leaf, I get a new Item with no label. > I have searched the archives for something similar and found only the > same issue posted twice by 2 different guys and no answers. So I > thought I'll have better luck... > > TIA, > Claudiu > > > >
