public function MediaSourceBase::getSourceFieldDefinition in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/media/src/MediaSourceBase.php \Drupal\media\MediaSourceBase::getSourceFieldDefinition()

Get the source field definition for a media type.

Parameters

\Drupal\media\MediaTypeInterface $type: A media type.

Return value

\Drupal\Core\Field\FieldDefinitionInterface|null The source field definition, or NULL if it doesn't exist or has not been configured yet.

Overrides MediaSourceInterface::getSourceFieldDefinition

File

core/modules/media/src/MediaSourceBase.php, line 269

Class

MediaSourceBase

Base implementation of media source plugin.

Namespace

Drupal\media

Code

public function getSourceFieldDefinition(MediaTypeInterface $type) {

  // Nothing to do if no source field is configured yet.
  $field = $this->configuration['source_field'];
  if ($field) {

    // Even if we do know the name of the source field, there is no
    // guarantee that it already exists.
    $fields = $this->entityFieldManager
      ->getFieldDefinitions('media', $type
      ->id());
    return isset($fields[$field]) ? $fields[$field] : NULL;
  }
  return NULL;
}