/**
* Adds a CSRF field to the root form view.
*
* @param FormView $view The form view
* @param FormInterface $form The form
*/
public function finishView(FormViewInterface $view, FormInterface $form, array $options)
{
if ($options['csrf_protection'] && !$view->hasParent() && $options['compound']) {
$factory = $form->getConfig()->getAttribute('csrf_factory');
$data = $options['csrf_provider']->generateCsrfToken($options['intention']);
$csrfForm = $factory->createNamed($options['csrf_field_name'], 'hidden', $data, array('mapped' => false));
$view->add($csrfForm->createView($view));
}
}
