class LayoutBuilderIdsRenderSubscriber in Layout builder ids 8

Class BlockComponentRenderArraySubscriber.

Hierarchy

• class \Drupal\layout_builder_ids\EventSubscriber\LayoutBuilderIdsRenderSubscriber implements \Symfony\Component\EventDispatcher\EventSubscriberInterface

1 string reference to 'LayoutBuilderIdsRenderSubscriber'

layout_builder_ids.services.yml in ./layout_builder_ids.services.yml

layout_builder_ids.services.yml

1 service uses LayoutBuilderIdsRenderSubscriber

layout_builder_ids.render_block_component_subscriber in ./layout_builder_ids.services.yml

Drupal\layout_builder_ids\EventSubscriber\LayoutBuilderIdsRenderSubscriber

File

src/EventSubscriber/LayoutBuilderIdsRenderSubscriber.php, line 14

Namespace

Drupal\layout_builder_ids\EventSubscriber

class LayoutBuilderIdsRenderSubscriber implements EventSubscriberInterface {

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {

    // Layout Builder also subscribes to this event to build the initial render
    // array. We use a higher weight so that we execute after it.
    $events[LayoutBuilderEvents::SECTION_COMPONENT_BUILD_RENDER_ARRAY] = [
      'onBuildRender',
      50,
    ];
    return $events;
  }

  /**
   * Add each component's block styles to the render array.
   *
   * @param \Drupal\layout_builder\Event\SectionComponentBuildRenderArrayEvent $event
   *   The section component render event.
   */
  public function onBuildRender(SectionComponentBuildRenderArrayEvent $event) {

    // The render array.
    $build = $event
      ->getBuild();

    // This shouldn't happen - Layout Builder should have already created the
    // initial build data.
    if (empty($build)) {
      return;
    }

    // Get the layout builder id.
    $layout_builder_id = $event
      ->getComponent()
      ->get('layout_builder_id');

    // If there is a layout builder id, then set it in the attributes.
    if ($layout_builder_id !== NULL) {

      // Set the id attribute.
      $build['#attributes']['id'] = $layout_builder_id;

      // Now set the build for the event.
      $event
        ->setBuild($build);
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
LayoutBuilderIdsRenderSubscriber::getSubscribedEvents	public static	function
LayoutBuilderIdsRenderSubscriber::onBuildRender	public	function	Add each component's block styles to the render array.