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- <?php
- /**
- * @file
- * Defines a field type and its formatters and widgets.
- */
- use Drupal\Core\Entity\FieldableEntityInterface;
- use Drupal\Core\Access\AccessResult;
- use Drupal\Core\Entity\Exception\FieldStorageDefinitionUpdateForbiddenException;
- use Drupal\Core\Field\FieldDefinitionInterface;
- use Drupal\Core\Field\FieldItemListInterface;
- use Drupal\Core\Session\AccountInterface;
- use Drupal\field\FieldStorageConfigInterface;
- /**
- * Implements hook_field_widget_info_alter().
- */
- function field_test_field_widget_info_alter(&$info) {
- $info['test_field_widget_multiple']['field_types'][] = 'test_field';
- $info['test_field_widget_multiple']['field_types'][] = 'test_field_with_preconfigured_options';
- // Add extra widget when needed for tests.
- // @see \Drupal\field\Tests\FormTest::widgetAlterTest().
- if ($alter_info = \Drupal::state()->get("field_test.widget_alter_test")) {
- if ($alter_info['widget'] === 'test_field_widget_multiple_single_value') {
- $info['test_field_widget_multiple_single_value']['field_types'][] = 'test_field';
- }
- }
- }
- /**
- * Implements hook_field_storage_config_update_forbid().
- */
- function field_test_field_storage_config_update_forbid(FieldStorageConfigInterface $field_storage, FieldStorageConfigInterface $prior_field_storage) {
- if ($field_storage->getType() == 'test_field' && $field_storage->getSetting('unchangeable') != $prior_field_storage->getSetting('unchangeable')) {
- throw new FieldStorageDefinitionUpdateForbiddenException("field_test 'unchangeable' setting cannot be changed'");
- }
- }
- /**
- * Sample 'default value' callback.
- */
- function field_test_default_value(FieldableEntityInterface $entity, FieldDefinitionInterface $definition) {
- return [['value' => 99]];
- }
- /**
- * Implements hook_entity_field_access().
- */
- function field_test_entity_field_access($operation, FieldDefinitionInterface $field_definition, AccountInterface $account, FieldItemListInterface $items = NULL) {
- if ($field_definition->getName() == "field_no_{$operation}_access") {
- return AccessResult::forbidden();
- }
- // Only grant view access to test_view_field fields when the user has
- // 'view test_view_field content' permission.
- if ($field_definition->getName() == 'test_view_field' && $operation == 'view') {
- return AccessResult::forbiddenIf(!$account->hasPermission('view test_view_field content'))->cachePerPermissions();
- }
- return AccessResult::allowed();
- }
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