diff core/modules/system/src/DateFormatAccessControlHandler.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/system/src/DateFormatAccessControlHandler.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,43 @@
+<?php
+
+namespace Drupal\system;
+
+use Drupal\Core\Access\AccessResult;
+use Drupal\Core\Entity\EntityAccessControlHandler;
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Session\AccountInterface;
+
+/**
+ * Defines the access control handler for the date format entity type.
+ *
+ * @see \Drupal\system\Entity\DateFormat
+ */
+class DateFormatAccessControlHandler 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();
+    }
+    // Locked date formats cannot be updated or deleted.
+    elseif (in_array($operation, ['update', 'delete'])) {
+      if ($entity->isLocked()) {
+        return AccessResult::forbidden('The DateFormat config entity is locked.')->addCacheableDependency($entity);
+      }
+      else {
+        return parent::checkAccess($entity, $operation, $account)->addCacheableDependency($entity);
+      }
+    }
+
+    return parent::checkAccess($entity, $operation, $account);
+  }
+
+}