/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $formState)
{
$this->entity->delete();
drupal_set_message($this->t('The empty page callback for %title has been deleted.', array('%title' => $this->entity->getTitle())));
$this->emptyPageManager->rebuildRoutes();
$formState->setRedirectUrl($this->getCancelUrl());
}
/**
* Validate the path to make sure it does not already exist.
*
* @param array $element
* The form element to validate.
*
* @param FormStateInterface $formState
* The form state.
*/
public function validateUniquePathName(array &$element, FormStateInterface $formState)
{
$path = $formState->getValue('path');
// If the path is the same as the current path on the entity there is no
// need to validate.
if ($this->entity->getPath() === $path) {
return;
}
if ($this->emptyPageManager->routeExists($path)) {
$formState->setError($element, $this->t('A route with this path already exists.'));
}
}