public function WeMegaMenuBlock::getCacheContexts in Drupal Mega Menu 8

Same name and namespace in other branches

1. 8.x src/Plugin/Block/WeMegaMenuBlock.php \Drupal\we_megamenu\Plugin\Block\WeMegaMenuBlock::getCacheContexts()

The cache contexts associated with this object.

These identify a specific variation/representation of the object.

Cache contexts are tokens: placeholders that are converted to cache keys by the @cache_contexts_manager service. The replacement value depends on the request context (the current URL, language, and so on). They're converted before storing an object in cache.

Return value

string[] An array of cache context tokens, used to generate a cache ID.

Overrides ContextAwarePluginBase::getCacheContexts

See also

\Drupal\Core\Cache\Context\CacheContextsManager::convertTokensToKeys()

File

src/Plugin/Block/WeMegaMenuBlock.php, line 59

Class

WeMegaMenuBlock

Provides a 'Drupal 8 Mega Menu' Block.

Namespace

Drupal\we_megamenu\Plugin\Block

Code

public function getCacheContexts() {
  $menu_name = $this
    ->getDerivativeId();
  $id_menu = 'route.menu_active_trails:' . $menu_name;
  $ids = [
    $id_menu,
  ];
  return Cache::mergeContexts(parent::getCacheContexts(), $ids);
}