1<?php
2
3namespace Drupal\block_content;
4
5use Drupal\Core\Entity\EntityInterface;
6use Drupal\Core\Entity\EntityViewBuilder;
7
8/**
9 * View builder handler for custom blocks.
10 */
11class BlockContentViewBuilder extends EntityViewBuilder {
12
13  /**
14   * {@inheritdoc}
15   */
16  public function view(EntityInterface $entity, $view_mode = 'full', $langcode = NULL) {
17    return $this->viewMultiple([$entity], $view_mode, $langcode)[0];
18  }
19
20  /**
21   * {@inheritdoc}
22   */
23  public function viewMultiple(array $entities = [], $view_mode = 'full', $langcode = NULL) {
24    $build_list = parent::viewMultiple($entities, $view_mode, $langcode);
25    // Apply the buildMultiple() #pre_render callback immediately, to make
26    // bubbling of attributes and contextual links to the actual block work.
27    // @see \Drupal\block\BlockViewBuilder::buildBlock()
28    unset($build_list['#pre_render'][0]);
29    return $this->buildMultiple($build_list);
30  }
31
32  /**
33   * {@inheritdoc}
34   */
35  protected function getBuildDefaults(EntityInterface $entity, $view_mode) {
36    $build = parent::getBuildDefaults($entity, $view_mode);
37    // The custom block will be rendered in the wrapped block template already
38    // and thus has no entity template itself.
39    unset($build['#theme']);
40    return $build;
41  }
42
43}
44