renderGroupingSets example

/** * Render the display in this style. */
  public function render() {
    // Group the rows according to the grouping instructions, if specified.     $sets = $this->renderGrouping(
      $this->view->result,
      $this->options['grouping'],
      TRUE
    );

    return $this->renderGroupingSets($sets);
  }

  /** * Render the grouping sets. * * Plugins may override this method if they wish some other way of handling * grouping. * * @param $sets * An array keyed by group content containing the grouping sets to render. * Each set contains the following associative array: * - group: The group content. * - level: The hierarchical level of the grouping. * - rows: The result rows to be rendered in this group.. * * @return array * Render array of grouping sets. */