@Override
  public void actionPerformed(@NotNull AnActionEvent e) {
    final DirDiffTableModel model = getModel(e);
    final JTable table = getTable(e);
    assert model != null && table != null;
    for (DirDiffElementImpl element : model.getSelectedElements()) {
      if (isEnabledFor(element)) {
        element.setOperation(getOperation(element));
      }
      else {
        element.setOperation(DirDiffOperation.NONE);
      }
    }
    table.repaint();
  }
@Override
  public void actionPerformed(@NotNull AnActionEvent e)