@Override
  public CellAppearanceEx getAppearance() {
    CellAppearanceEx appearance = FileAppearanceService.getInstance().forIoFile(myDir);
    if (appearance instanceof ModifiableCellAppearanceEx) {
      ((ModifiableCellAppearanceEx)appearance).setIcon(AllIcons.Nodes.JarDirectory);
    }
    return appearance;
  }
@Override
  public CellAppearanceEx getAppearance()