public function YouTubeFormatter::viewElements in YouTube Field 8

Builds a renderable array for a field value.

Parameters

\Drupal\Core\Field\FieldItemListInterface $items: The field values to be rendered.

string $langcode: The language that should be used to render the field.

Return value

array A renderable array for $items, as an array of child elements keyed by consecutive numeric indexes starting from 0.

Overrides FormatterInterface::viewElements

File

src/Plugin/Field/FieldFormatter/YouTubeFormatter.php, line 141

Class

YouTubeFormatter

Plugin implementation of the 'youtube_video' formatter.

Namespace

Drupal\youtube\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $element = [];
  $settings = $this
    ->getSettings();
  foreach ($items as $delta => $item) {
    $element[$delta] = [
      '#theme' => 'youtube_video',
      '#input' => $item->input,
      '#video_id' => $item->video_id,
      '#entity_title' => $items
        ->getEntity()
        ->label(),
      '#settings' => $settings,
    ];
    if ($settings['youtube_size'] == 'responsive') {
      $element[$delta]['#attached']['library'][] = 'youtube/drupal.youtube.responsive';
    }
  }
  return $element;
}