installListeners();
	public void installUI(JComponent c)	{		super.installUI(c);		installDefaults((JTree) c);		tree = (JTree) c;        cellEditor = createDefaultCellEditor();    currentCellRenderer = createDefaultCellRenderer();    rendererPane = createCellRendererPane();        createdRenderer = true;    createdCellEditor = true;        TreeModel mod = tree.getModel();    setModel(mod);      tree.setRootVisible(true);    if (mod != null)      tree.expandPath(new TreePath(mod.getRoot()));		treeSelectionModel = tree.getSelectionModel();		installListeners();		installKeyboardActions();		completeUIInstall();	}