function LanguageHooks::formAlter

Implements hook_form_alter().

File

core/modules/language/src/Hook/LanguageHooks.php, line 273

Class

LanguageHooks

Hook implementations for language.

Namespace

Code

public function formAlter(&$form, FormStateInterface $form_state) : void {
    // Content entity forms may have added a langcode field. But content language
    // configuration should decide if it should be exposed or not in the forms.
    $form_object = $form_state->getFormObject();
    if ($form_object instanceof ContentEntityFormInterface && $form_object->getEntity()
        ->getEntityType()
        ->hasKey('langcode')) {
        
        /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
        $entity = $form_object->getEntity();
        $entity_type = $entity->getEntityType();
        $langcode_key = $entity_type->getKey('langcode');
        if (isset($form[$langcode_key]) && $form[$langcode_key]['#access'] !== FALSE) {
            $language_configuration = ContentLanguageSettings::loadByEntityTypeBundle($entity->getEntityTypeId(), $entity->bundle());
            $form[$langcode_key]['#access'] = $language_configuration->isLanguageAlterable();
        }
    }
}