public function MenuChildren::query in Views Menu Node Children Filter 8.2

Same name in this branch

1. 8.2 src/Plugin/views/sort/MenuChildren.php \Drupal\views_menu_children_filter\Plugin\views\sort\MenuChildren::query()
2. 8.2 src/Plugin/views/argument/MenuChildren.php \Drupal\views_menu_children_filter\Plugin\views\argument\MenuChildren::query()

Same name and namespace in other branches

1. 8 src/Plugin/views/argument/MenuChildren.php \Drupal\views_menu_children_filter\Plugin\views\argument\MenuChildren::query()
2. 3.0.x src/Plugin/views/argument/MenuChildren.php \Drupal\views_menu_children_filter\Plugin\views\argument\MenuChildren::query()

Set up the query for this argument.

The argument sent may be found at $this->argument.

Overrides NumericArgument::query

File

src/Plugin/views/argument/MenuChildren.php, line 94

Class

MenuChildren

A filter to show menu children of a parent menu item

Namespace

Drupal\views_menu_children_filter\Plugin\views\argument

Code

public function query($group_by = FALSE) {
  $page_identifier = is_array($this->value) ? reset($this->value) : NULL;

  // If we aren't going to filter by a parent, just depend on the
  // join that is established in $this::setRelationship().
  if (!empty($page_identifier)) {
    $menus = $this->options['target_menus'];

    // Filter results to children nodes of the node found for the provided page_identifier.
    $this
      ->filterChildrenNodeByParent($this->query, $page_identifier, $menus);
  }
  elseif (is_null($page_identifier)) {
    $this->query
      ->addWhere(0, 'menu_link_content_data.parent', NULL, 'IS NULL');
  }
}