preventDefault() is needed to prevent the base class from putting up default feedback.
You may need to override dragDrop event to map the DG data to tree data. ________________________________ From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Nate Pearson Sent: Tuesday, May 15, 2007 1:29 PM To: flexcoders@yahoogroups.com Subject: [flexcoders] Re: Okay, I know this is possible...DataGrid to Tree I DO want to override dragEnterHandler and AM extending a tree component. I haven't posted to this thread in a while but I still havn't fixed it. Anyone know how to drag/drop from a grid to a tree? --- In flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> , "Jim Robson" <[EMAIL PROTECTED]> wrote: > > Nate: > > If you don't want to extend Tree and override dragEnterHandler, then > here's something else to try. > > In the tree instance's dragEnter handler, add some data with the > format "treeItems" like so: > > var obj:Object = new Object(); > event.dragSource.addData(obj,"treeItems"); > > It may seem klugey, but it works. > > -Jim > > On Tue, 24 Apr 2007 16:59:36 -0000 > "Nate Pearson" <[EMAIL PROTECTED]> wrote: > > Thanks for the response. > > > > I've read that document and from what I understand dragEnter doesn't > > have to do anything but have the dragmanager.acceptdragdrop. I have > > also looked at that list. If you take that same thing and turn it > > into a data grid it doesnt work. It's like there is some Datagrid > >to > > tree conspiracy going on.... > > > > On dragOver is where i would handle the difference between items and > > tree items. I can't however get that function to even fire since it > > won't allow drops... > > > > > > --- In flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> , "Stephen Gilson" <smgilson@> > >wrote: > >> > >> While it is not exactly what you want, there is an example with > >>runnable > >> code in the updated Drag and Drop doc on the Flex Doc Blog that > >>shows > >> how to drag from a List to a DataGrid. It requires that you modify > >>the > >> dragged data as part of the drop to make it compatible with the > >> DataGrid. > >> > >> http://blogs.adobe.com/flexdoc/drag_and_drop/ <http://blogs.adobe.com/flexdoc/drag_and_drop/> > >> > >> One thing to remember when writing the dragEnter handler is that for > >>all > >> controls except for Tree, the format string is "items" and the items > >> implement the IDataProvider interface. > >> For Tree controls the format string is "treeItems" and the items > >> implement the ITreeDataProvider API interface. > >> > >> Stephen > >> > >> ________________________________ > >> > >> From: flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> [mailto:flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> ] > >>On > >> Behalf Of Nate Pearson > >> Sent: Monday, April 23, 2007 6:04 PM > >> To: flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > >> Subject: [flexcoders] Re: Okay, I know this is possible...DataGrid > >>to > >> Tree > >> > >> > >> > >> Anyone? I'm trying to present a demo tomorrow, this is the thing I > >> haven't figured out. > >> > >> --- In flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > >><mailto:flexcoders%40yahoogroups.com> > >> , "Nate Pearson" <napearson99@> wrote: > >> > > >> > ...but I haven't seen it yet! I've seen the code but when I run it > >>it > >> > doesn't work! > >> > > >> > How do allow for a datagrid to drop into a tree? All i need it to > >>do > >> > is have > >>DragManger.acceptDragDrop(UIComponent(event.currentTarget)) > >> > on drag enter work! Everytime i do it I get a little red x. > >> > > >> > Anyone have any code/examples to show me? If you say "override > >> > dragEnter and put > >> > DragManager.acceptDragDrop(UIComponent(event.currentTarget)) i > >>wont > >> > believe you! ;). > >> > > >> > Seriously, I've worked on this all weekend to no avail :(. I'm > >>going > >> > to dell taco now and I hope someone can help me by the time I'm > >>back. > >> > > >> > > > > >
