[news.eclipse.tools.emf] Re: Drag & Drop not working for own TableTreeVi

[Florian Georg <Florian.Georg@xxxxxxxxxxxxxx>]

Ed,

your workaround posted for 38840 works for me almost perfect. Only the 
"insertion dash" doesn't show up.
Maybe this will be fixed in 36822...

thanks
  Florian

Ed Merks wrote:

> Florian,
>
> I don't think this works in the generated editor either.  Does it work 
> for you in the generated editor?
>
> I opened this bugzilla defect:
>
>     https://bugs.eclipse.org/bugs/show_bug.cgi?id=38840
>
> which was returned as a duplicate of this one
>
>     https://bugs.eclipse.org/bugs/show_bug.cgi?id=36822
>
> which isn't fixed yet.  And I don't think that the workaround in 38840 
> works anymore either. :-(
>
> As you can see from the dates, this problem has been around for some 
> time.  You may wish to add you own request for resolution to 36822...
>  
>
> Florian Georg wrote:
>
> > Hello,
> >
> > I use the following code to enable DnD support for my own viewer :
> >
> > //----------------------
> > TableTreeViewer viewer;
> > viewer = new ExtendedTableTreeViewer(container,
> >          SWT.FULL_SELECTION | SWT.FLAT);
> >
> > // ... [snip] ....
> >
> > // activate Drag and Drop
> > int dndOperations = DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK;
> > Transfer[] transfers = new Transfer[]
> > {
> >    LocalTransfer.getInstance(),
> >    TextTransfer.getInstance()
> > };
> > viewer.addDragSupport(dndOperations, transfers,
> >    new ViewerDragAdapter(viewer));
> >
> > viewer.addDropSupport(dndOperations, transfers,
> >    new EditingDomainViewerDropAdapter(myEditingDomain, viewer));
> > //----------------------
> >
> > As you can see, I use almost identical code like in the generated EMF
> > Editor. But although it works fine in the Outline and all other
> > generated views, it does NOT for my own viewer.
> >
> > Neither can I start dragging an item, nor can an item be dropped into
> > the viewer.
> >
> > Any ideas ?
> >
> > thanks in advance
> >    Florian