Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\field;
Chris@0: 
Chris@0: use Drupal\Core\Access\AccessResult;
Chris@0: use Drupal\Core\Entity\EntityAccessControlHandler;
Chris@0: use Drupal\Core\Entity\EntityInterface;
Chris@0: use Drupal\Core\Session\AccountInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Defines the access control handler for the field storage config entity type.
Chris@0:  *
Chris@0:  * @see \Drupal\field\Entity\FieldStorageConfig
Chris@0:  */
Chris@0: class FieldStorageConfigAccessControlHandler extends EntityAccessControlHandler {
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
Chris@0:     /** \Drupal\field\FieldStorageConfigInterface $entity */
Chris@0:     if ($operation === 'delete') {
Chris@0:       if ($entity->isLocked()) {
Chris@0:         return AccessResult::forbidden()->addCacheableDependency($entity);
Chris@0:       }
Chris@0:       else {
Chris@0:         return AccessResult::allowedIfHasPermission($account, 'administer ' . $entity->getTargetEntityTypeId() . ' fields')->addCacheableDependency($entity);
Chris@0:       }
Chris@0:     }
Chris@0:     return AccessResult::allowedIfHasPermission($account, 'administer ' . $entity->getTargetEntityTypeId() . ' fields');
Chris@0:   }
Chris@0: 
Chris@0: }