www.aleph1.co.uk Git - yaffs-website/blob - web/core/modules/block/src/Controller/BlockListController.php

   1 <?php
   2
   3 namespace Drupal\block\Controller;
   4
   5 use Drupal\Core\Entity\Controller\EntityListController;
   6 use Drupal\Core\Extension\ThemeHandlerInterface;
   7 use Symfony\Component\DependencyInjection\ContainerInterface;
   8 use Symfony\Component\HttpFoundation\Request;
   9 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
  10
  11 /**
  12  * Defines a controller to list blocks.
  13  */
  14 class BlockListController extends EntityListController {
  15
  16   /**
  17    * The theme handler.
  18    *
  19    * @var \Drupal\Core\Extension\ThemeHandlerInterface
  20    */
  21   protected $themeHandler;
  22
  23   /**
  24    * Constructs the BlockListController.
  25    *
  26    * @param \Drupal\Core\Extension\ThemeHandlerInterface $theme_handler
  27    *   The theme handler.
  28    */
  29   public function __construct(ThemeHandlerInterface $theme_handler) {
  30     $this->themeHandler = $theme_handler;
  31   }
  32
  33   /**
  34    * {@inheritdoc}
  35    */
  36   public static function create(ContainerInterface $container) {
  37     return new static(
  38       $container->get('theme_handler')
  39     );
  40   }
  41
  42   /**
  43    * Shows the block administration page.
  44    *
  45    * @param string|null $theme
  46    *   Theme key of block list.
  47    * @param \Symfony\Component\HttpFoundation\Request $request
  48    *   The current request.
  49    *
  50    * @return array
  51    *   A render array as expected by drupal_render().
  52    */
  53   public function listing($theme = NULL, Request $request = NULL) {
  54     $theme = $theme ?: $this->config('system.theme')->get('default');
  55     if (!$this->themeHandler->hasUi($theme)) {
  56       throw new NotFoundHttpException();
  57     }
  58
  59     return $this->entityManager()->getListBuilder('block')->render($theme, $request);
  60   }
  61
  62 }