class RenderEvents

Defines events for the render system.

Hierarchy

class \Drupal\Core\Render\RenderEvents

Expanded class hierarchy of RenderEvents

2 files declare their use of RenderEvents

BlockPageDisplayVariantSubscriber.php in core/modules/block/src/EventSubscriber/BlockPageDisplayVariantSubscriber.php
HtmlRenderer.php in core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php

File

core/lib/Drupal/Core/Render/RenderEvents.php, line 8

Namespace

Drupal\Core\Render

View source

final class RenderEvents {
    
    /**
     * Name of the event when selecting a page display variant to use.
     *
     * This event allows you to select a different page display variant to use
     * when rendering a page. The event listener method receives a
     * \Drupal\Core\Render\PageDisplayVariantSelectionEvent instance.
     *
     * @Event
     *
     * @see \Drupal\Core\Render\PageDisplayVariantSelectionEvent
     * @see \Drupal\Core\Render\MainContent\HtmlRenderer
     * @see \Drupal\block\EventSubscriber\BlockPageDisplayVariantSubscriber
     */
    const SELECT_PAGE_DISPLAY_VARIANT = 'render.page_display_variant.select';

}

Members

Title Sort descending	Modifiers	Object type	Summary
RenderEvents::SELECT_PAGE_DISPLAY_VARIANT		constant	Name of the event when selecting a page display variant to use.