@Override
 protected String getContainerStyleClass(TreeContextImpl node) {
   if (node.getDepth() == 1) {
     return "nav nav-pills";
   }
   return super.getContainerStyleClass(node);
 }
  @Override
  protected void renderChildren(FacesContext context, ResponseWriter writer, TreeContextImpl tree)
      throws IOException {
    int depth = tree.getDepth();
    if (depth == 1) {
      super.renderChildren(context, writer, tree);
    } else {
      if (tree.getNode().getType() != ITreeNode.NODE_LEAF) {
        String prefix = (String) getProperty(PROP_MENUPREFIX);
        OneUIv302DojoMenuRenderer r = new OneUIv302DojoMenuRenderer();
        String clientId = tree.getClientId(context, prefix, 1); // $NON-NLS-1$

        String mid = clientId + "_mn"; // $NON-NLS-1$
        r.setMenuId(mid);

        if (StringUtil.isNotEmpty(clientId)) {
          r.setConnectId(clientId);
        }

        r.setConnectEvent("onclick"); // $NON-NLS-1$
        r.render(context, writer, tree);
      }
    }
  }