1	<?php
2
3	declare(strict_types=1);
4
5	namespace Drupal\display_builder\Plugin\display_builder\Island;
6
7	use Drupal\Core\StringTranslation\TranslatableMarkup;
8	use Drupal\display_builder\Attribute\Island;
9	use Drupal\display_builder\InstanceInterface;
10	use Drupal\display_builder\Island\IslandPluginBase;
11	use Drupal\display_builder\Island\IslandType;
12
13	/**
14	* Library island plugin implementation.
15	*/
16	#[Island(
17	id: 'library',
18	enabled_by_default: TRUE,
19	label: new TranslatableMarkup('Libraries'),
20	description: new TranslatableMarkup('Pick elements from libraries and drop them in the display.'),
21	type: IslandType::View,
22	default_region: 'sidebar',
23	icon: 'collection',
24	)]
25	class LibrariesPanel extends IslandPluginBase {
26
27	/**
28	* {@inheritdoc}
29	*/
30	public static function keyboardShortcuts(): array {
31	return [
32	'key' => 'l',
33	'help' => t('Show the libraries'),
34	];
35	}
36
37	/**
38	* {@inheritdoc}
39	*/
40	public function isDeferrable(): bool {
41	// This panel's content is not built here: ProfileViewBuilder assembles the
42	// Library islands and injects them into this pane. build() returns nothing,
43	// so a deferred reload would swap the panel's content away for an empty
44	// one. The panel is static anyway - it reflects profile configuration, not
45	// builder state, so it never goes stale and has nothing to defer.
46	//
47	// Can go once the build logic moves here, @see build().
48	return FALSE;
49	}
50
51	/**
52	* {@inheritdoc}
53	*/
54	public function build(InstanceInterface $builder, array $data = [], array $options = []): array {
55	// @todo Move the logic here.
56	// @see https://www.drupal.org/project/display_builder/issues/3542866
57	return [];
58	}
59
60	}

---

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LibrariesPanel->build

54	public function build(InstanceInterface $builder, array $data = [], array $options = []): array {
55	// @todo Move the logic here.
56	// @see https://www.drupal.org/project/display_builder/issues/3542866
57	return [];
58	}

LibrariesPanel->isDeferrable

48	return FALSE;
49	}

LibrariesPanel->keyboardShortcuts

32	'key' => 'l',
33	'help' => t('Show the libraries'),
34	];
35	}