function ref_field_field_validate in (Entity)Reference Field Synchronization 7

Implements hook_field_validate().

Possible error codes:

• 'ref_field_invalid_rel': The given id is not from a valid 'entity'.
• 'ref_field_auto_reference': Self reference detected.

File

./ref_field.module, line 233

Code

function ref_field_field_validate($entity_type, $entity, $field, $instance, $langcode, $items, &$errors) {
  $entity_info = entity_get_info($entity_type);
  foreach ($items as $delta => $item) {
    if ($item['eid'] && !entity_load($field['settings']['entity'], array(
      $item['eid'],
    ))) {
      $errors[$field['field_name']][$langcode][$delta][] = array(
        'error' => 'ref_field_invalid_rel',
        'message' => t('%name: you selected an invalid %entity.', array(
          '%name' => $instance['label'],
          '%entity' => $field['settings']['entity'],
        )),
      );
    }
    if ($field['settings']['entity'] == $entity_type && $item['eid'] && $item['eid'] == $entity->{$entity_info}['entity keys']['id']) {
      $errors[$field['field_name']][$langcode][$delta][] = array(
        'error' => 'ref_field_auto_reference',
        'message' => t('%name: self-reference are not allowed, please change the value.', array(
          '%name' => $instance['label'],
        )),
      );
    }
  }
}