aleph1.co.uk Git - yaffs-website/blob - web/core/modules/views/src/Plugin/Derivative/ViewsMenuLink.php

   1 <?php
   2
   3 namespace Drupal\views\Plugin\Derivative;
   4
   5 use Drupal\Component\Plugin\Derivative\DeriverBase;
   6 use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
   7 use Drupal\views\Plugin\views\display\DisplayMenuInterface;
   8 use Drupal\views\Views;
   9 use Drupal\Core\Entity\EntityStorageInterface;
  10 use Symfony\Component\DependencyInjection\ContainerInterface;
  11
  12 /**
  13  * Provides menu links for Views.
  14  *
  15  * @see \Drupal\views\Plugin\Menu\ViewsMenuLink
  16  */
  17 class ViewsMenuLink extends DeriverBase implements ContainerDeriverInterface {
  18
  19   /**
  20    * The view storage.
  21    *
  22    * @var \Drupal\Core\Entity\EntityStorageInterface
  23    */
  24   protected $viewStorage;
  25
  26   /**
  27    * Constructs a \Drupal\views\Plugin\Derivative\ViewsLocalTask instance.
  28    *
  29    * @param \Drupal\Core\Entity\EntityStorageInterface $view_storage
  30    *   The view storage.
  31    */
  32   public function __construct(EntityStorageInterface $view_storage) {
  33     $this->viewStorage = $view_storage;
  34   }
  35
  36   /**
  37    * {@inheritdoc}
  38    */
  39   public static function create(ContainerInterface $container, $base_plugin_id) {
  40     return new static(
  41       $container->get('entity.manager')->getStorage('view')
  42     );
  43   }
  44
  45   /**
  46    * {@inheritdoc}
  47    */
  48   public function getDerivativeDefinitions($base_plugin_definition) {
  49     $links = [];
  50     $views = Views::getApplicableViews('uses_menu_links');
  51
  52     foreach ($views as $data) {
  53       list($view_id, $display_id) = $data;
  54       /** @var \Drupal\views\ViewExecutable $executable */
  55       $executable = $this->viewStorage->load($view_id)->getExecutable();
  56       $executable->initDisplay();
  57       $display = $executable->displayHandlers->get($display_id);
  58
  59       if (($display instanceof DisplayMenuInterface) && ($result = $display->getMenuLinks())) {
  60         foreach ($result as $link_id => $link) {
  61           $links[$link_id] = $link + $base_plugin_definition;
  62         }
  63       }
  64     }
  65
  66     return $links;
  67   }
  68
  69 }