diff core/modules/block_content/src/BlockContentViewBuilder.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/block_content/src/BlockContentViewBuilder.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,58 @@
+<?php
+
+namespace Drupal\block_content;
+
+use Drupal\Core\Entity\Display\EntityViewDisplayInterface;
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Entity\EntityViewBuilder;
+
+/**
+ * View builder handler for custom blocks.
+ */
+class BlockContentViewBuilder extends EntityViewBuilder {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function view(EntityInterface $entity, $view_mode = 'full', $langcode = NULL) {
+    return $this->viewMultiple([$entity], $view_mode, $langcode)[0];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function viewMultiple(array $entities = [], $view_mode = 'full', $langcode = NULL) {
+    $build_list = parent::viewMultiple($entities, $view_mode, $langcode);
+    // Apply the buildMultiple() #pre_render callback immediately, to make
+    // bubbling of attributes and contextual links to the actual block work.
+    // @see \Drupal\block\BlockViewBuilder::buildBlock()
+    unset($build_list['#pre_render'][0]);
+    return $this->buildMultiple($build_list);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getBuildDefaults(EntityInterface $entity, $view_mode) {
+    $build = parent::getBuildDefaults($entity, $view_mode);
+    // The custom block will be rendered in the wrapped block template already
+    // and thus has no entity template itself.
+    unset($build['#theme']);
+    return $build;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function alterBuild(array &$build, EntityInterface $entity, EntityViewDisplayInterface $display, $view_mode) {
+    parent::alterBuild($build, $entity, $display, $view_mode);
+    // Add contextual links for this custom block.
+    if (!$entity->isNew()) {
+      $build['#contextual_links']['block_content'] = [
+        'route_parameters' => ['block_content' => $entity->id()],
+        'metadata' => ['changed' => $entity->getChangedTime()],
+      ];
+    }
+  }
+
+}