class MenuActiveTrailsCacheContext

Same name and namespace in other branches
  1. 9 core/lib/Drupal/Core/Cache/Context/MenuActiveTrailsCacheContext.php \Drupal\Core\Cache\Context\MenuActiveTrailsCacheContext
  2. 8.9.x core/lib/Drupal/Core/Cache/Context/MenuActiveTrailsCacheContext.php \Drupal\Core\Cache\Context\MenuActiveTrailsCacheContext
  3. 10 core/lib/Drupal/Core/Cache/Context/MenuActiveTrailsCacheContext.php \Drupal\Core\Cache\Context\MenuActiveTrailsCacheContext

Defines the MenuActiveTrailsCacheContext service.

Hierarchy

Expanded class hierarchy of MenuActiveTrailsCacheContext

File

core/lib/Drupal/Core/Cache/Context/MenuActiveTrailsCacheContext.php, line 11

Namespace

Drupal\Core\Cache\Context
View source 
class MenuActiveTrailsCacheContext implements CalculatedCacheContextInterface {
    
    /**
     * Constructs a MenuActiveTrailsCacheContext object.
     *
     * @param \Drupal\Core\Menu\MenuActiveTrailInterface $menuActiveTrailService
     *   The menu active trail service.
     */
    public function __construct(MenuActiveTrailInterface $menuActiveTrailService) {
    }
    
    /**
     * {@inheritdoc}
     */
    public static function getLabel() {
        return t("Active menu trail");
    }
    
    /**
     * {@inheritdoc}
     */
    public function getContext($menu_name = NULL) {
        if (!$menu_name) {
            throw new \LogicException('No menu name provided for menu.active_trails cache context.');
        }
        $active_trail = $this->menuActiveTrailService
            ->getActiveTrailIds($menu_name);
        return 'menu_trail.' . $menu_name . '|' . implode('|', $active_trail);
    }
    
    /**
     * {@inheritdoc}
     */
    public function getCacheableMetadata($menu_name = NULL) {
        if (!$menu_name) {
            throw new \LogicException('No menu name provided for menu.active_trails cache context.');
        }
        $cacheable_metadata = new CacheableMetadata();
        return $cacheable_metadata->setCacheTags([
            "config:system.menu.{$menu_name}",
        ]);
    }

}

Members

Title Modifiers Object type Summary Overriden Title
MenuActiveTrailsCacheContext::getCacheableMetadata public function Gets the cacheability metadata for the context based on the parameter value. Overrides CalculatedCacheContextInterface::getCacheableMetadata
MenuActiveTrailsCacheContext::getContext public function Returns the string representation of the cache context. Overrides CalculatedCacheContextInterface::getContext
MenuActiveTrailsCacheContext::getLabel public static function Returns the label of the cache context. Overrides CalculatedCacheContextInterface::getLabel
MenuActiveTrailsCacheContext::__construct public function Constructs a MenuActiveTrailsCacheContext object.

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.