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 void computeFeedback(DropTargetEvent event) {
		int old= event.feedback;
		boolean insertionFeedback= (fStyle & INSERTION_FEEDBACK) != 0;
		
		if (!insertionFeedback && fLocation != LOCATION_NONE) {
			event.feedback= DND.FEEDBACK_SELECT;
		} else {
			if (fLocation == LOCATION_BEFORE) {
				event.feedback= DND.FEEDBACK_INSERT_BEFORE;
			} else if (fLocation == LOCATION_AFTER) {
				event.feedback= DND.FEEDBACK_INSERT_AFTER;
			}
		}
	}
	
	/**
	 * Sets the dop operation to </code>DROP_NODE<code>.
	 */
	protected void clearDropOperation(DropTargetEvent event) {
		event.detail= DND.DROP_NONE;
	}
	
	/**
	 * Returns the requested drop operation.
	 */
	protected int getRequestedOperation() {
		return fRequestedOperation;
	} 
}