function entity_translation_field_language_alter in Entity Translation 7

Implements hook_field_language_alter().

Performs language fallback for unaccessible translations.

File

./entity_translation.module, line 920

Code

function entity_translation_field_language_alter(&$display_language, $context) {
  if (variable_get('locale_field_language_fallback', TRUE) && entity_translation_enabled($context['entity_type'])) {
    $entity = $context['entity'];
    $entity_type = $context['entity_type'];
    $handler = entity_translation_get_handler($entity_type, $entity);
    $translations = $handler
      ->getTranslations();

    // Apply fallback only on unpublished translations as missing translations
    // are already handled in locale_field_language_alter().
    if (isset($translations->data[$context['language']]) && !entity_translation_access($entity_type, $translations->data[$context['language']])) {
      list(, , $bundle) = entity_extract_ids($entity_type, $entity);
      $instances = field_info_instances($entity_type, $bundle);
      $entity = clone $entity;
      foreach ($translations->data as $langcode => $translation) {
        if ($langcode == $context['language'] || !entity_translation_access($entity_type, $translations->data[$langcode])) {

          // Unset unaccessible field translations: if the field is
          // untranslatable unsetting a language different from LANGUAGE_NONE
          // has no effect.
          foreach ($instances as $instance) {
            unset($entity->{$instance['field_name']}[$langcode]);
          }
        }
      }

      // Find the new fallback values.
      locale_field_language_fallback($display_language, $entity, $context['language']);
    }
    elseif (!field_has_translation_handler($entity_type, 'locale')) {

      // If not handled by the Locale translation handler trigger fallback too.
      locale_field_language_fallback($display_language, $entity, $context['language']);
    }
  }
}