Bug 5699 Add ResourceTransfer to packages view
The packages view should add the ResoruceTransfer as a drag source to its list of transfers
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerPart.java
IJavaElement element= (IJavaElement)o;
				Object resource= element.getAdapter(IResource.class);
				if (! clazz.isInstance(resource))
					return false;
			}
		}
		return true;	
	}
	
	
	
	private void initDragAndDrop() {
		int ops= DND.DROP_COPY | DND.DROP_MOVE;
		final LocalSelectionTransfer lt= LocalSelectionTransfer.getInstance();
		Transfer[] transfers= new Transfer[] {lt, FileTransfer.getInstance()};
		
		
		TransferDropTargetListener[] dropListeners= new TransferDropTargetListener[] {
			new SelectionTransferDropAdapter(fViewer),
			new FileTransferDropAdapter(fViewer)
		};
		fViewer.addDropSupport(ops, transfers, new DelegatingDropAdapter(dropListeners));
		
		
		Control control= fViewer.getControl();
		TransferDragSourceListener[] dragListeners= new TransferDragSourceListener[] {
			new SelectionTransferDragAdapter(fViewer),
			new FileTransferDragAdapter(fViewer)
		};
		DragSource source= new DragSource(control, ops);