www.aleph1.co.uk Git - yaffs-website/blob - web/core/modules/field/tests/modules/field_test/field_test.field.inc

   1 <?php
   2
   3 /**
   4  * @file
   5  * Defines a field type and its formatters and widgets.
   6  */
   7
   8 use Drupal\Core\Entity\FieldableEntityInterface;
   9 use Drupal\Core\Access\AccessResult;
  10 use Drupal\Core\Entity\Exception\FieldStorageDefinitionUpdateForbiddenException;
  11 use Drupal\Core\Field\FieldDefinitionInterface;
  12 use Drupal\Core\Field\FieldItemListInterface;
  13 use Drupal\Core\Session\AccountInterface;
  14 use Drupal\field\FieldStorageConfigInterface;
  15
  16 /**
  17  * Implements hook_field_widget_info_alter().
  18  */
  19 function field_test_field_widget_info_alter(&$info) {
  20   $info['test_field_widget_multiple']['field_types'][] = 'test_field';
  21   $info['test_field_widget_multiple']['field_types'][] = 'test_field_with_preconfigured_options';
  22 }
  23
  24 /**
  25  * Implements hook_field_storage_config_update_forbid().
  26  */
  27 function field_test_field_storage_config_update_forbid(FieldStorageConfigInterface $field_storage, FieldStorageConfigInterface $prior_field_storage) {
  28   if ($field_storage->getType() == 'test_field' && $field_storage->getSetting('unchangeable') != $prior_field_storage->getSetting('unchangeable')) {
  29     throw new FieldStorageDefinitionUpdateForbiddenException("field_test 'unchangeable' setting cannot be changed'");
  30   }
  31 }
  32
  33 /**
  34  * Sample 'default value' callback.
  35  */
  36 function field_test_default_value(FieldableEntityInterface $entity, FieldDefinitionInterface $definition) {
  37   return [['value' => 99]];
  38 }
  39
  40 /**
  41  * Implements hook_entity_field_access().
  42  */
  43 function field_test_entity_field_access($operation, FieldDefinitionInterface $field_definition, AccountInterface $account, FieldItemListInterface $items = NULL) {
  44   if ($field_definition->getName() == "field_no_{$operation}_access") {
  45     return AccessResult::forbidden();
  46   }
  47
  48   // Only grant view access to test_view_field fields when the user has
  49   // 'view test_view_field content' permission.
  50   if ($field_definition->getName() == 'test_view_field' && $operation == 'view') {
  51     return AccessResult::forbiddenIf(!$account->hasPermission('view test_view_field content'))->cachePerPermissions();
  52   }
  53
  54   return AccessResult::allowed();
  55 }