@Override
  public void update(@NotNull final AnActionEvent e) {
    super.update(e);
    XValueNodeImpl node = getSelectedNode(e.getDataContext());
    Presentation presentation = e.getPresentation();
    if (node instanceof WatchNode) {
      presentation.setEnabledAndVisible(false);
    }
    else {
      presentation.setVisible(true);
    }
  }
@Override
  public void update(@NotNull final AnActionEvent e)