function menu_ui_form_node_form_submit

Form submission handler for menu item field on the node form.

See also

menu_ui_form_node_form_alter()

File

core/modules/menu_ui/menu_ui.module, line 325

Allows administrators to customize the site's navigation menus.

Code

function menu_ui_form_node_form_submit($form, FormStateInterface $form_state) {
  $node = $form_state
    ->getFormObject()
    ->getEntity();
  if (!$form_state
    ->isValueEmpty('menu')) {
    $values = $form_state
      ->getValue('menu');
    if (empty($values['enabled'])) {
      if ($values['entity_id']) {
        $entity = MenuLinkContent::load($values['entity_id']);
        $entity
          ->delete();
      }
    }
    else {

      // In case the menu title was left empty, fall back to the node title.
      if (empty(trim($values['title']))) {
        $values['title'] = $node
          ->label();
      }

      // Decompose the selected menu parent option into 'menu_name' and 'parent',
      // if the form used the default parent selection widget.
      if (!empty($values['menu_parent'])) {
        [
          $menu_name,
          $parent,
        ] = explode(':', $values['menu_parent'], 2);
        $values['menu_name'] = $menu_name;
        $values['parent'] = $parent;
      }
      _menu_ui_node_save($node, $values);
    }
  }
}