Club Drupal

 * @ingroup views_sort_handlers

 */

class views_handler_sort_menu_hierarchy extends views_handler_sort {

    $options = parent::option_definition();

    $options['sort_within_level'] = array('default' => FALSE);

    return $options;

  }

    parent::options_form($form, $form_state);

    $form['sort_within_level'] = array(

      '#type' => 'checkbox',

    );

  }

    $this->ensure_my_table();

    $max_depth = isset($this->definition['max depth']) ? $this->definition['max depth'] : MENU_MAX_DEPTH;

    for ($i = 1; $i <= $max_depth; ++$i) {

      $this->query->add_orderby($this->table_alias, $this->field . $i, $this->options['order']);

    }

  }

}