public function DomainMenusSettingsForm::validateForm in Domain Menus for Domains 3.x

Same name and namespace in other branches

1. 9.x src/Form/DomainMenusSettingsForm.php \Drupal\domain_menus\Form\DomainMenusSettingsForm::validateForm()
2. 9.1.x src/Form/DomainMenusSettingsForm.php \Drupal\domain_menus\Form\DomainMenusSettingsForm::validateForm()

Form validation handler.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Overrides FormBase::validateForm

File

src/Form/DomainMenusSettingsForm.php, line 186

Class

DomainMenusSettingsForm

Class DomainMenusSettingsForm.

Namespace

Drupal\domain_menus\Form

Code

public function validateForm(array &$form, FormStateInterface $form_state) {
  $domain_menus_menu_names = $form_state
    ->getValue('domain_menus_menu_names');
  if (!empty($domain_menus_menu_names)) {
    $menu_names = explode("\r\n", $domain_menus_menu_names);
    foreach ($menu_names as $menu_name) {
      if (strlen($menu_name) > 9 || !ctype_alnum($menu_name)) {
        $form_state
          ->setErrorByName('domain_menus_menu_names', $this
          ->t('Domain menu names must be alphanumeric and less than 10 characters each.'));
      }
    }
  }
}