public function CustomBreadcrumbsForm::validateForm in Custom Breadcrumbs 1.x

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/CustomBreadcrumbsForm.php, line 232

Class

CustomBreadcrumbsForm

Custom breadcrumbs form.

Namespace

Drupal\custom_breadcrumbs\Form

Code

public function validateForm(array &$form, FormStateInterface $form_state) {
  $values = $form_state
    ->getValues();
  $pages = $values['breadcrumbPaths'];
  $urlList = [];
  $urlList = explode(PHP_EOL, $pages);
  foreach ($urlList as $url) {
    $trimUrl = trim($url);

    // Validate Slash.
    if ($trimUrl !== '<front>' && $trimUrl !== '<nolink>' && $trimUrl[0] !== '/' && $trimUrl[0] !== '[') {
      $form_state
        ->setErrorByName('pages', $this
        ->t("@url needs to start with a slash if it is a URL or with a square bracket if it is a token.", [
        '@url' => $trimUrl,
      ]));
    }
  }
}