ExampleEventSubscriber.php in Webform Node Element 8
File
modules/webform_node_element_example/src/EventSubscriber/ExampleEventSubscriber.phpView source
<?php
namespace Drupal\webform_node_element_example\EventSubscriber;
use Drupal\webform_node_element\Event\WebformNodeElementPreRender;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
/**
* Class ExampleEventSubscriber.
*
* This class shows how to use events to modify the node and display mode that
* the webform_node_element displays.
*
* @package Drupal\webform_node_element_example
*/
class ExampleEventSubscriber implements EventSubscriberInterface {
/**
* Set the events that we want to subscribe to.
*
* Tell Drupal that we're interested in subscribing to the
* webform_node_element prerender event.
*
* {@inheritdoc}
*/
public static function getSubscribedEvents() {
$events[WebformNodeElementPreRender::PRERENDER][] = [
'onWebformNodeElementPreRender',
800,
];
return $events;
}
/**
* This is called whenever the webform_node_element prerender event occurs.
*
* For example purposes we tell the element to display node 1 using the
* 'teaser' display mode.
*
* @param \WebformNodeElementPreRender $event
* The event that triggered this callback.
*/
public function onWebformNodeElementPreRender(WebformNodeElementPreRender $event) {
$event
->setNid(1);
$event
->setDisplayMode('teaser');
}
}
Classes
Name![]() |
Description |
---|---|
ExampleEventSubscriber | Class ExampleEventSubscriber. |