/** * Provides entity-specific defaults to the build process. * * @param \Drupal\Core\Entity\EntityInterface $entity * The entity for which the defaults should be provided. * @param string $view_mode * The view mode that should be used. * @param string $langcode * For which language the entity should be prepared, defaults to * the current content language. * * @return array */ protected function getBuildDefaults(EntityInterface $entity, $view_mode, $langcode) { // Allow modules to change the view mode. $context = array('langcode' => $langcode); $this->moduleHandler()->alter('entity_view_mode', $view_mode, $entity, $context); $build = array('#theme' => $this->entityTypeId, "#{$this->entityTypeId}" => $entity, '#view_mode' => $view_mode, '#langcode' => $langcode, '#cache' => array('tags' => Cache::mergeTags($this->getCacheTags(), $entity->getCacheTags()), 'contexts' => $entity->getCacheContexts(), 'max-age' => $entity->getCacheMaxAge())); // Cache the rendered output if permitted by the view mode and global entity // type configuration. if ($this->isViewModeCacheable($view_mode) && !$entity->isNew() && $entity->isDefaultRevision() && $this->entityType->isRenderCacheable()) { $build['#cache'] += array('keys' => array('entity_view', $this->entityTypeId, $entity->id(), $view_mode), 'bin' => $this->cacheBin); if ($entity instanceof TranslatableInterface && count($entity->getTranslationLanguages()) > 1) { $build['#cache']['keys'][] = $langcode; } } return $build; }