function locale_preprocess_node

Implements hook_preprocess_HOOK() for node templates.

File

core/modules/locale/locale.module, line 753

Enables the translation of the user interface to languages other than English.

Code

function locale_preprocess_node(&$variables) {

  /** @var \Drupal\node\NodeInterface $node */
  $node = $variables['node'];
  if ($node
    ->language()
    ->getId() != LanguageInterface::LANGCODE_NOT_SPECIFIED) {
    $interface_language = \Drupal::languageManager()
      ->getCurrentLanguage();
    $node_language = $node
      ->language();
    if ($node_language
      ->getId() != $interface_language
      ->getId()) {

      // If the node language was different from the page language, we should
      // add markup to identify the language. Otherwise the page language is
      // inherited.
      $variables['attributes']['lang'] = $node_language
        ->getId();
      if ($node_language
        ->getDirection() != $interface_language
        ->getDirection()) {

        // If text direction is different form the page's text direction, add
        // direction information as well.
        $variables['attributes']['dir'] = $node_language
          ->getDirection();
      }
    }
  }
}