function LocaleThemeHooks::preprocessNode

Implements hook_preprocess_HOOK() for node templates.

File

core/modules/locale/src/Hook/LocaleThemeHooks.php, line 21

Class

LocaleThemeHooks

Hook implementations for locale.

Namespace

Code

public function preprocessNode(&$variables) : void {
    
    /** @var \Drupal\node\NodeInterface $node */
    $node = $variables['node'];
    if ($node->language()
        ->getId() != LanguageInterface::LANGCODE_NOT_SPECIFIED) {
        $interface_language = $this->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();
            }
        }
    }
}