protected function MenuLinkStorageController::preSave

Overrides DatabaseStorageController::preSave().

Overrides DatabaseStorageController::preSave

File

drupal/core/modules/menu_link/lib/Drupal/menu_link/MenuLinkStorageController.php, line 211

Contains \Drupal\menu_link\MenuLinkStorageController.

Class

MenuLinkStorageController

Controller class for menu links.

Namespace

Code

protected function preSave(EntityInterface $entity) {

  // This is the easiest way to handle the unique internal path '<front>',
  // since a path marked as external does not need to match a router path.
  $entity->external = url_is_external($entity->link_path) || $entity->link_path == '<front>' ? 1 : 0;

  // Try to find a parent link. If found, assign it and derive its menu.
  $parent_candidates = !empty($entity->parentCandidates) ? $entity->parentCandidates : array();
  $parent = $this
    ->findParent($entity, $parent_candidates);
  if ($parent) {
    $entity->plid = $parent
      ->id();
    $entity->menu_name = $parent->menu_name;
  }
  else {
    $entity->plid = 0;
  }

  // Directly fill parents for top-level links.
  if ($entity->plid == 0) {
    $entity->p1 = $entity
      ->id();
    for ($i = 2; $i <= MENU_MAX_DEPTH; $i++) {
      $parent_property = "p{$i}";
      $entity->{$parent_property} = 0;
    }
    $entity->depth = 1;
  }
  else {
    if ($entity->has_children && $entity->original) {
      $limit = MENU_MAX_DEPTH - $this
        ->findChildrenRelativeDepth($entity->original) - 1;
    }
    else {
      $limit = MENU_MAX_DEPTH - 1;
    }
    if ($parent->depth > $limit) {
      return FALSE;
    }
    $entity->depth = $parent->depth + 1;
    $this
      ->setParents($entity, $parent);
  }

  // Need to check both plid and menu_name, since plid can be 0 in any menu.
  if (isset($entity->original) && ($entity->plid != $entity->original->plid || $entity->menu_name != $entity->original->menu_name)) {
    $this
      ->moveChildren($entity, $entity->original);
  }

  // Find the router_path.
  if (empty($entity->router_path) || empty($entity->original) || isset($entity->original) && $entity->original->link_path != $entity->link_path) {
    if ($entity->external) {
      $entity->router_path = '';
    }
    else {

      // Find the router path which will serve this path.
      $entity->parts = explode('/', $entity->link_path, MENU_MAX_PARTS);
      $entity->router_path = _menu_find_router_path($entity->link_path);
    }
  }

  // Find the route_name.
  if (!isset($entity->route_name)) {
    $entity->route_name = $this
      ->findRouteName($entity->link_path);
  }
}