class LayoutBuilderIsActiveCacheContext in Drupal 8

Determines whether Layout Builder is active for a given entity type or not.

Cache context ID: 'layout_builder_is_active:%entity_type_id', e.g. 'layout_builder_is_active:node' (to vary by whether the Node entity type has Layout Builder enabled).

@internal Tagged services are internal.

Hierarchy

• class \Drupal\layout_builder\Cache\LayoutBuilderIsActiveCacheContext implements CalculatedCacheContextInterface

1 string reference to 'LayoutBuilderIsActiveCacheContext'

layout_builder.services.yml in core/modules/layout_builder/layout_builder.services.yml

core/modules/layout_builder/layout_builder.services.yml

1 service uses LayoutBuilderIsActiveCacheContext

cache_context.layout_builder_is_active in core/modules/layout_builder/layout_builder.services.yml

Drupal\layout_builder\Cache\LayoutBuilderIsActiveCacheContext

File

core/modules/layout_builder/src/Cache/LayoutBuilderIsActiveCacheContext.php, line 20

Namespace

Drupal\layout_builder\Cache

class LayoutBuilderIsActiveCacheContext implements CalculatedCacheContextInterface {

  /**
   * The current route match.
   *
   * @var \Drupal\Core\Routing\RouteMatchInterface
   */
  protected $routeMatch;

  /**
   * LayoutBuilderCacheContext constructor.
   *
   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
   *   The current route match.
   */
  public function __construct(RouteMatchInterface $route_match) {
    $this->routeMatch = $route_match;
  }

  /**
   * {@inheritdoc}
   */
  public static function getLabel() {
    return t('Layout Builder');
  }

  /**
   * {@inheritdoc}
   */
  public function getContext($entity_type_id = NULL) {
    if (!$entity_type_id) {
      throw new \LogicException('Missing entity type ID');
    }
    $display = $this
      ->getDisplay($entity_type_id);
    return $display && $display
      ->isOverridable() ? '1' : '0';
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheableMetadata($entity_type_id = NULL) {
    if (!$entity_type_id) {
      throw new \LogicException('Missing entity type ID');
    }
    $cacheable_metadata = new CacheableMetadata();
    if ($display = $this
      ->getDisplay($entity_type_id)) {
      $cacheable_metadata
        ->addCacheableDependency($display);
    }
    return $cacheable_metadata;
  }

  /**
   * Returns the entity view display for a given entity type and view mode.
   *
   * @param string $entity_type_id
   *   The entity type ID.
   *
   * @return \Drupal\layout_builder\Entity\LayoutEntityDisplayInterface|null
   *   The entity view display, if it exists.
   */
  protected function getDisplay($entity_type_id) {
    if ($entity = $this->routeMatch
      ->getParameter($entity_type_id)) {
      if ($entity instanceof OverridesSectionStorageInterface) {
        return $entity
          ->getDefaultSectionStorage();
      }
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
LayoutBuilderIsActiveCacheContext::$routeMatch	protected	property	The current route match.
LayoutBuilderIsActiveCacheContext::getCacheableMetadata	public	function	Gets the cacheability metadata for the context based on the parameter value. Overrides CalculatedCacheContextInterface::getCacheableMetadata
LayoutBuilderIsActiveCacheContext::getContext	public	function	Returns the string representation of the cache context. Overrides CalculatedCacheContextInterface::getContext
LayoutBuilderIsActiveCacheContext::getDisplay	protected	function	Returns the entity view display for a given entity type and view mode.
LayoutBuilderIsActiveCacheContext::getLabel	public static	function	Returns the label of the cache context. Overrides CalculatedCacheContextInterface::getLabel
LayoutBuilderIsActiveCacheContext::__construct	public	function	LayoutBuilderCacheContext constructor.