protected function EntityViewBuilder::getBuildDefaults

Provides entity-specific defaults to the build process.

Parameters

\Drupal\Core\Entity\EntityInterface $entity: The entity for which the defaults should be provided.

string $view_mode: The view mode that should be used.

Return value

array

File

core/lib/Drupal/Core/Entity/EntityViewBuilder.php, line 177

Class

EntityViewBuilder

Base class for entity view builders.

Namespace

Code

protected function getBuildDefaults(EntityInterface $entity, $view_mode) {

  // Allow modules to change the view mode.
  $entityType = $this->entityTypeId;
  $this
    ->moduleHandler()
    ->alter([
    $entityType . '_view_mode',
    'entity_view_mode',
  ], $view_mode, $entity);
  $build = [
    "#{$this->entityTypeId}" => $entity,
    '#view_mode' => $view_mode,
    // Collect cache defaults for this entity.
    '#cache' => [
      'tags' => Cache::mergeTags($this
        ->getCacheTags(), $entity
        ->getCacheTags()),
      'contexts' => $entity
        ->getCacheContexts(),
      'max-age' => $entity
        ->getCacheMaxAge(),
    ],
  ];

  // Add the default #theme key if a template exists for it.
  if ($this->themeRegistry
    ->getRuntime()
    ->has($this->entityTypeId)) {
    $build['#theme'] = $this->entityTypeId;
  }

  // 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'] += [
      'keys' => [
        'entity_view',
        $this->entityTypeId,
        $entity
          ->id(),
        $view_mode,
      ],
      'bin' => $this->cacheBin,
    ];
    if ($entity instanceof TranslatableDataInterface && count($entity
      ->getTranslationLanguages()) > 1) {
      $build['#cache']['keys'][] = $entity
        ->language()
        ->getId();
    }
  }
  return $build;
}