@Override
  public Collection<AbstractTreeNode<?>> getFavoriteNodes(final DataContext context, @NotNull final ViewSettings viewSettings) {
    final Project project = CommonDataKeys.PROJECT.getData(context);
    if (project == null) {
      return null;
    }
    final ResourceBundle[] resourceBundles = ResourceBundle.ARRAY_DATA_KEY.getData(context);
    //on bundles nodes
    if (resourceBundles != null) {
      final Collection<AbstractTreeNode<?>> result = new ArrayList<>();
      for (ResourceBundle bundle : resourceBundles) {
        result.add(new ResourceBundleNode(project, bundle, viewSettings));
      }
      return result;
    }
    return null;
  }
@Override
  public Collection<AbstractTreeNode<?>> getFavoriteNodes(final DataContext context, @NotNull final ViewSettings viewSettings)