public function AmpIframeFormatter::viewElements in Accelerated Mobile Pages (AMP) 8.3

Same name and namespace in other branches

1. 8 src/Plugin/Field/FieldFormatter/AmpIframeFormatter.php \Drupal\amp\Plugin\Field\FieldFormatter\AmpIframeFormatter::viewElements()
2. 8.2 src/Plugin/Field/FieldFormatter/AmpIframeFormatter.php \Drupal\amp\Plugin\Field\FieldFormatter\AmpIframeFormatter::viewElements()

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 TextDefaultFormatter::viewElements

File

src/Plugin/Field/FieldFormatter/AmpIframeFormatter.php, line 27

Class

AmpIframeFormatter

Plugin implementation of the 'amp_iframe' formatter.

Namespace

Drupal\amp\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = parent::viewElements($items, $langcode);

  /** @var AMPService $amp_service */
  $amp_service = \Drupal::service('amp.utilities');

  /** @var AMP $amp */
  $amp = $amp_service
    ->createAMPConverter();
  foreach ($elements as $delta => $item) {
    $amp
      ->loadHtml($item['#text']);
    $elements[$delta]['#text'] = $amp
      ->convertToAmpHtml();
    if (!empty($amp
      ->getComponentJs())) {
      $elements[$delta]['#attached']['library'] = $amp_service
        ->addComponentLibraries($amp
        ->getComponentJs());
    }
  }
  return $elements;
}