protected void initTree() {
    ((DefaultTreeModel)myTree.getModel()).setRoot(myRoot);
    myTree.setRootVisible(false);
    myTree.setShowsRootHandles(true);
    TreeUtil.installActions(myTree);
    myTree.setCellRenderer(new MyColoredTreeCellRenderer());
    List<AnAction> actions = createActions(true);
    if (actions != null) {
      final DefaultActionGroup group = new DefaultActionGroup();
      for (AnAction action : actions) {
        group.add(action);
      }
      actions = getAdditionalActions();
      if (actions != null) {
        group.addSeparator();
        for (AnAction action : actions) {
          group.add(action);
        }
      }
      PopupHandler.installPopupMenu(myTree, group, "MasterDetailsTreePopup");
    }
  }
protected void initTree()