function entityreference_field_validate

Implements hook_field_validate().

File

core/modules/entityreference/entityreference.module, line 191

Entityreference primary module file.

Code

function entityreference_field_validate($entity_type, $entity, $field, $instance, $langcode, $items, &$errors) {
  $ids = array();
  foreach ($items as $delta => $item) {
    if (!entityreference_field_is_empty($item, $field) && $item['target_id'] !== NULL) {
      $ids[$item['target_id']] = $delta;
    }
  }

  if ($ids) {
    $valid_ids = entityreference_get_selection_handler($field, $instance, $entity_type, $entity)->validateReferencableEntities(array_keys($ids));

    if (!empty($valid_ids)) {
      $invalid_entities = array_diff_key($ids, array_flip($valid_ids));
      if ($invalid_entities) {
        foreach ($invalid_entities as $id => $delta) {
          $errors[$field['field_name']][$langcode][$delta][] = array(
            'error' => 'entityreference_invalid_entity',
            'message' => t('The referenced entity (@type: @id) is invalid.', array('@type' => $field['settings']['target_type'], '@id' => $id)),
          );
        }
      }
    }
  }

  // Invoke the behaviors.
  foreach (entityreference_get_behavior_handlers($field, $instance) as $handler) {
    $handler->validate($entity_type, $entity, $field, $instance, $langcode, $items, $errors);
  }
}