@Override
      protected boolean onDoubleClick(@NotNull MouseEvent e) {
        if (tree.getPathForLocation(e.getX(), e.getY()) == null) return false;
        DataContext dataContext = DataManager.getInstance().getDataContext(tree);
        GotoFrameSourceAction.doAction(dataContext);
        return true;
      }
@Override
      protected boolean onDoubleClick(@NotNull MouseEvent e)