' . $this->formatPlural($num_links, 'Warning: There is currently 1 menu link in %title. It will be deleted (system-defined items will be reset).', 'Warning: There are currently @count menu links in %title. They will be deleted (system-defined links will be reset).', ['%title' => $this->entity->label()]) . '
'; } $caption .= '' . t('This action cannot be undone.') . '
'; return $caption; } /** * {@inheritdoc} */ protected function logDeletionMessage() { $this->logger('menu')->notice('Deleted custom menu %title and all its menu links.', ['%title' => $this->entity->label()]); } /** * {@inheritdoc} */ public function submitForm(array &$form, FormStateInterface $form_state) { // Locked menus may not be deleted. if ($this->entity->isLocked()) { return; } // Delete all links to the overview page for this menu. // @todo Add a more generic helper function to the menu link plugin // manager to remove links to a entity or other ID used as a route // parameter that is being removed. Also, consider moving this to // menu_ui.module as part of a generic response to entity deletion. // https://www.drupal.org/node/2310329 $menu_links = $this->menuLinkManager->loadLinksByRoute('entity.menu.edit_form', ['menu' => $this->entity->id()], TRUE); foreach ($menu_links as $id => $link) { $this->menuLinkManager->removeDefinition($id); } parent::submitForm($form, $form_state); } }