function LanguageHooks::entityFieldAccess

Implements hook_entity_field_access().

Attributes

File

core/modules/language/src/Hook/LanguageHooks.php, line 308

Class

LanguageHooks

Hook implementations for language.

Namespace

Code

public function entityFieldAccess($operation, FieldDefinitionInterface $field_definition, AccountInterface $account, ?FieldItemListInterface $items = NULL) : AccessResultInterface {
  // Only allow edit access on a langcode field if the entity it is attached
  // to is configured to have an alterable language. Also without items we can
  // not decide whether or not to allow access.
  if ($items && $operation == 'edit') {
    // Check if we are dealing with a langcode field.
    $langcode_key = $items->getEntity()
      ->getEntityType()
      ->getKey('langcode');
    if ($field_definition->getName() == $langcode_key) {
      // Grant access depending on whether the entity language can be altered.
      $entity = $items->getEntity();
      $config = ContentLanguageSettings::loadByEntityTypeBundle($entity->getEntityTypeId(), $entity->bundle());
      return AccessResult::forbiddenIf(!$config->isLanguageAlterable());
    }
  }
  return AccessResult::neutral();
}