MenuAccessControlHandler.php in Drupal 9

Namespace

Drupal\system

File

core/modules/system/src/MenuAccessControlHandler.php

<?php

namespace Drupal\system;

use Drupal\Core\Access\AccessResult;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\EntityAccessControlHandler;
use Drupal\Core\Session\AccountInterface;

/**
 * Defines the access control handler for the menu entity type.
 *
 * @see \Drupal\system\Entity\Menu
 */
class MenuAccessControlHandler extends EntityAccessControlHandler {

  /**
   * {@inheritdoc}
   */
  protected $viewLabelOperation = TRUE;

  /**
   * {@inheritdoc}
   */
  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {

    // There are no restrictions on viewing the label of a date format.
    if ($operation === 'view label') {
      return AccessResult::allowed();
    }
    elseif ($operation === 'delete') {
      if ($entity
        ->isLocked()) {
        return AccessResult::forbidden('The Menu config entity is locked.')
          ->addCacheableDependency($entity);
      }
      else {
        return parent::checkAccess($entity, $operation, $account)
          ->addCacheableDependency($entity);
      }
    }
    return parent::checkAccess($entity, $operation, $account);
  }

}

Classes

Name	Description
MenuAccessControlHandler	Defines the access control handler for the menu entity type.