1	<?php
2
3	declare(strict_types=1);
4
5	namespace Drupal\display_builder_views\EventSubscriber;
6
7	use Drupal\Core\Entity\EntityTypeManagerInterface;
8	use Drupal\display_builder\Event\DisplayBuilderEvent;
9	use Drupal\display_builder\Event\DisplayBuilderEvents;
10	use Drupal\display_builder_views\Plugin\views\display_extender\DisplayExtender;
11	use Symfony\Component\EventDispatcher\EventSubscriberInterface;
12
13	/**
14	* The event subscriber for display builder views.
15	*/
16	class DisplayBuilderSubscriber implements EventSubscriberInterface {
17
18	public function __construct(
19	private EntityTypeManagerInterface $entityTypeManager,
20	) {}
21
22	/**
23	* {@inheritdoc}
24	*/
25	public static function getSubscribedEvents(): array {
26	return [
27	DisplayBuilderEvents::ON_SAVE => 'onSave',
28	];
29	}
30
31	/**
32	* Event handler for when a display builder is saved.
33	*
34	* @param \Drupal\display_builder\Event\DisplayBuilderEvent $event
35	*   The event object.
36	*/
37	public function onSave(DisplayBuilderEvent $event): void {
38	$builder_id = $event->getBuilderId();
39	$contexts = $event->getData();
40	/** @var \Drupal\display_builder\InstanceInterface $instance */
41	$instance = $this->entityTypeManager->getStorage('display_builder_instance')->load($builder_id);
42
43	if (!$instance->hasSaveContextsRequirement(DisplayExtender::getContextRequirement(), $contexts)) {
44	return;
45	}
46
47	/** @var \Drupal\views\Entity\View $view */
48	$view = $contexts['ui_patterns_views:view_entity']->getContextValue() ?? NULL;
49
50	if (!$view) {
51	return;
52	}
53	$display_id = DisplayExtender::checkInstanceId($builder_id)['display'];
54	$view->getExecutable()->setDisplay($display_id);
55	$extenders = $view->getExecutable()->getDisplay()->getExtenders();
56
57	if (!isset($extenders['display_builder'])) {
58	return;
59	}
60	/** @var \Drupal\display_builder\DisplayBuildableInterface $extender */
61	$extender = $extenders['display_builder'];
62	$extender->saveSources();
63	}
64
65	}

---

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DisplayBuilderSubscriber->__construct

18	public function __construct(
19	private EntityTypeManagerInterface $entityTypeManager,
20	) {}

DisplayBuilderSubscriber->getSubscribedEvents

27	DisplayBuilderEvents::ON_SAVE => 'onSave',

DisplayBuilderSubscriber->onSave

37	public function onSave(DisplayBuilderEvent $event): void {
38	$builder_id = $event->getBuilderId();
39	$contexts = $event->getData();
40	/** @var \Drupal\display_builder\InstanceInterface $instance */
41	$instance = $this->entityTypeManager->getStorage('display_builder_instance')->load($builder_id);
42
43	if (!$instance->hasSaveContextsRequirement(DisplayExtender::getContextRequirement(), $contexts)) {

44

return;

48	$view = $contexts['ui_patterns_views:view_entity']->getContextValue() ?? NULL;
49
50	if (!$view) {

51

return;

53	$display_id = DisplayExtender::checkInstanceId($builder_id)['display'];
54	$view->getExecutable()->setDisplay($display_id);
55	$extenders = $view->getExecutable()->getDisplay()->getExtenders();
56
57	if (!isset($extenders['display_builder'])) {

58

return;

61	$extender = $extenders['display_builder'];
62	$extender->saveSources();
63	}