class MenuActiveTrailsCacheContext

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

Defines the MenuActiveTrailsCacheContext service.

This class is container-aware to avoid initializing the 'menu.active_trails' service (and its dependencies) when it is not necessary.

Hierarchy

Expanded class hierarchy of MenuActiveTrailsCacheContext

1 string reference to 'MenuActiveTrailsCacheContext'
core.services.yml in core/core.services.yml
core/core.services.yml
1 service uses MenuActiveTrailsCacheContext
cache_context.route.menu_active_trails in core/core.services.yml
Drupal\Core\Cache\Context\MenuActiveTrailsCacheContext

File

core/lib/Drupal/Core/Cache/Context/MenuActiveTrailsCacheContext.php, line 15

Namespace

Drupal\Core\Cache\Context
View source 
class MenuActiveTrailsCacheContext implements CalculatedCacheContextInterface, ContainerAwareInterface {
    use ContainerAwareTrait;
    
    /**
     * {@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 = $this->container
            ->get('menu.active_trail')
            ->getActiveTrailIds($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

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