function OEmbedWidget::formElement

Overrides StringTextfieldWidget::formElement

File

core/modules/media/src/Plugin/Field/FieldWidget/OEmbedWidget.php, line 31

Class

OEmbedWidget

Plugin implementation of the 'oembed_textfield' widget.

Namespace

Code

public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
  $element = parent::formElement($items, $delta, $element, $form, $form_state);
  /** @var \Drupal\media\Plugin\media\Source\OEmbedInterface $source */
  $source = $items->getEntity()
    ->getSource();
  $message = $this->t('You can link to media from the following services: @providers', [
    '@providers' => implode(', ', $source->getProviders()),
  ]);
  if (!empty($element['value']['#description'])) {
    $element['value']['#description'] = [
      '#theme' => 'item_list',
      '#items' => [
        $element['value']['#description'],
        $message,
      ],
    ];
  }
  else {
    $element['value']['#description'] = $message;
  }
  return $element;
}