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
public void selectionChanged(SelectionChangedEvent event) {
				handleSelectionChanged(event);
			}
		};
		fViewer.addSelectionChangedListener(fSelectionListener);
		
		fViewer.addDoubleClickListener(new IDoubleClickListener() {
			public void doubleClick(DoubleClickEvent event) {
				handleDoubleClick(event);
			}
		});
		fViewer.getControl().addKeyListener(new KeyAdapter() {
			public void keyPressed(KeyEvent e) {
				handleKeyPressed(e);
			}
		});
		getSite().setSelectionProvider(fViewer);
		getSite().getPage().addPartListener(fPartListener);
		IStatusLineManager slManager= getViewSite().getActionBars().getStatusLineManager();
		fViewer.addSelectionChangedListener(new StatusBarUpdater(slManager));
		fViewer.addTreeListener(fExpansionListener);
	
		if (fMemento != null)
			restoreState(fMemento);
		fMemento= null;
		 
		
		WorkbenchHelp.setHelp(fViewer.getControl(), new ViewContextComputer(this, IJavaHelpContextIds.PACKAGE_VIEW));
		
		fillActionBars();