public static function MediaLibrary::validateItem in Media Library Form API Element 8

Same name and namespace in other branches

1. 2.x src/Element/MediaLibrary.php \Drupal\media_library_form_element\Element\MediaLibrary::validateItem()

Validates that newly selected items can be added to the widget.

Making an invalid selection from the view should not be possible, but we still validate in case other selection methods (ex: upload) are valid.

Parameters

array $form: The form array.

\Drupal\Core\Form\FormStateInterface $form_state: The form state.

File

src/Element/MediaLibrary.php, line 391

Class

MediaLibrary

Provides a Media library form element.

Namespace

Drupal\media_library_form_element\Element

Code

public static function validateItem(array $form, FormStateInterface $form_state) {
  $button = $form_state
    ->getTriggeringElement();
  $element = NestedArray::getValue($form, array_slice($button['#array_parents'], 0, -1));
  $media = static::getNewMediaItem($element, $form_state);
  if (empty($media)) {
    return;
  }

  // Validate that each selected media is of an allowed bundle.
  $all_bundles = \Drupal::service('entity_type.bundle.info')
    ->getBundleInfo('media');
  $bundle_labels = array_map(static function ($bundle) use ($all_bundles) {
    return $all_bundles[$bundle]['label'];
  }, $element['#target_bundles']);
  if ($element['#target_bundles'] && !in_array($media
    ->bundle(), $element['#target_bundles'], TRUE)) {
    $form_state
      ->setError($element, t('The media item "@label" is not of an accepted type. Allowed types: @types', [
      '@label' => $media
        ->label(),
      '@types' => implode(', ', $bundle_labels),
    ]));
  }
}