@Override
		public void handleEvent (Event event) {
			MenuItem [] menuItems = menu.getItems ();
			for (int i=0; i<menuItems.length; i++) {
				menuItems [i].dispose ();
			}
			TreeItem [] treeItems = tree.getSelection ();
			for (int i=0; i<treeItems.length; i++) {
				MenuItem menuItem = new MenuItem (menu, SWT.PUSH);
				menuItem.setText (treeItems [i].getText ());
			}
		}