function LanguageAddForm::validatePredefined

Element specific validator for the Add language button.

File

core/modules/language/src/Form/LanguageAddForm.php, line 131

Class

LanguageAddForm

Controller for language addition forms.

Namespace

Code

public function validatePredefined($form, FormStateInterface $form_state) {
    $langcode = $form_state->getValue('predefined_langcode');
    if ($langcode == 'custom') {
        $form_state->setErrorByName('predefined_langcode', $this->t('Fill in the language details and save the language with <em>Add custom language</em>.'));
    }
    else {
        if ($language = $this->languageManager
            ->getLanguage($langcode)) {
            $form_state->setErrorByName('predefined_langcode', $this->t('The language %language (%langcode) already exists.', [
                '%language' => $language->getName(),
                '%langcode' => $langcode,
            ]));
        }
    }
}