@Override
  public void handleDoubleClickOrEnter(SimpleTree tree, InputEvent inputEvent) {
    mySubstitutionParameters.setShowContent(this);
    final LayoutTree layoutTree = (LayoutTree)tree;
    final CompositePackagingElementNode parentNode = getParentNode();
    if (parentNode != null) {
      layoutTree.addSubtreeToUpdate(parentNode);
    }
  }
@Override
  public void handleDoubleClickOrEnter(SimpleTree tree, InputEvent inputEvent)