public function TreeERSelection::render in Views tree 8.2

Render the display in this style.

Overrides StylePluginBase::render

File

src/Plugin/views/style/TreeERSelection.php, line 54

Class

TreeERSelection

Style plugin to render each item as hierarchy.

Namespace

Drupal\views_tree\Plugin\views\style

Code

public function render() {
  if (!empty($this->view->live_preview)) {
    return parent::render();
  }

  // Group the rows according to the grouping field, if specified.
  $sets = $this
    ->renderGrouping($this->view->result, $this->options['grouping']);

  // Grab the alias of the 'id' field added by
  // entity_reference_plugin_display.
  $id_field_alias = $this->view->storage
    ->get('base_field');

  // @todo We don't display grouping info for now. Could be useful for select
  // widget, though.
  $results = [];
  foreach ($sets as $records) {
    foreach ($records as $values) {
      $results[$values->{$id_field_alias}] = $this->view->rowPlugin
        ->render($values);

      // Sanitize HTML, remove line breaks and extra whitespace.
      $results[$values->{$id_field_alias}]['#post_render'][] = function ($html, array $elements) {
        return Xss::filterAdmin(preg_replace('/\\s\\s+/', ' ', str_replace("\n", '', $html)));
      };
    }
  }
  return $results;
}