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/dnd/JdtViewerDropAdapter.java
protected int fLocation;
	protected Object fTarget;
	public JdtViewerDropAdapter(StructuredViewer viewer, int style) {
		fViewer= viewer;
		Assert.isNotNull(fViewer);
		fStyle= style;
		fLastOperation= -1;
	}
	/**
	 * Returns the viewer this adapter is working on.
	 */
	protected StructuredViewer getViewer() {
		return fViewer;
	} 
	
	
	
	/**
	 * The actual drop has occurred. Calls <code>drop(Object target, DropTargetEvent event)
	 * </code>.
	 * @see DropTargetListener.drop(DropTargetEvent)
	 */	 
	public void drop(DropTargetEvent event) {
		drop(fTarget, event);
	}
	
	/**
	 * The actual drop has occurred.
	 * @param target the drop target in form of a domain element.
	 * @param event the drop traget event