protected function MenuActiveTrail::doGetActiveTrailIds in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Menu/MenuActiveTrail.php \Drupal\Core\Menu\MenuActiveTrail::doGetActiveTrailIds()

Helper method for ::getActiveTrailIds().

1 call to MenuActiveTrail::doGetActiveTrailIds()

MenuActiveTrail::resolveCacheMiss in core/lib/Drupal/Core/Menu/MenuActiveTrail.php

File

core/lib/Drupal/Core/Menu/MenuActiveTrail.php, line 98

Class

MenuActiveTrail

Provides the default implementation of the active menu trail service.

Namespace

Drupal\Core\Menu

Code

protected function doGetActiveTrailIds($menu_name) {

  // Parent ids; used both as key and value to ensure uniqueness.
  // We always want all the top-level links with parent == ''.
  $active_trail = [
    '' => '',
  ];

  // If a link in the given menu indeed matches the route, then use it to
  // complete the active trail.
  if ($active_link = $this
    ->getActiveLink($menu_name)) {
    if ($parents = $this->menuLinkManager
      ->getParentIds($active_link
      ->getPluginId())) {
      $active_trail = $parents + $active_trail;
    }
  }
  return $active_trail;
}