public function NodeViewBuilder::buildComponents

Builds the component fields and properties of a set of entities.

Parameters

&$build: The renderable array representing the entity content.

\Drupal\Core\Entity\EntityInterface[] $entities: The entities whose content is being built.

\Drupal\Core\Entity\Display\EntityViewDisplayInterface[] $displays: The array of entity view displays holding the display options configured for the entity components, keyed by bundle name.

string $view_mode: The view mode in which the entity is being viewed.

Overrides EntityViewBuilder::buildComponents

File

core/modules/node/src/NodeViewBuilder.php, line 18

Class

NodeViewBuilder

View builder handler for nodes.

Namespace

Code

public function buildComponents(array &$build, array $entities, array $displays, $view_mode) {

  /** @var \Drupal\node\NodeInterface[] $entities */
  if (empty($entities)) {
    return;
  }
  parent::buildComponents($build, $entities, $displays, $view_mode);
  foreach ($entities as $id => $entity) {
    $bundle = $entity
      ->bundle();
    $display = $displays[$bundle];
    if ($display
      ->getComponent('links')) {
      $build[$id]['links'] = [
        '#lazy_builder' => [
          static::class . '::renderLinks',
          [
            $entity
              ->id(),
            $view_mode,
            $entity
              ->language()
              ->getId(),
            !empty($entity->in_preview),
            $entity
              ->isDefaultRevision() ? NULL : $entity
              ->getLoadedRevisionId(),
          ],
        ],
      ];
    }

    // Add Language field text element to node render array.
    if ($display
      ->getComponent('langcode')) {
      $build[$id]['langcode'] = [
        '#type' => 'item',
        '#title' => t('Language'),
        '#markup' => $entity
          ->language()
          ->getName(),
        '#prefix' => '<div id="field-language-display">',
        '#suffix' => '</div>',
      ];
    }
  }
}