1	<?php
2
3	declare(strict_types=1);
4
5	namespace Drupal\display_builder;
6
7	/**
8	* Interface for Island event subscriber.
9	*/
10	interface IslandEventSubscriberInterface {
11
12	/**
13	* Event triggered when a block becomes active.
14	*
15	* @param string $builder_id
16	*   The builder ID.
17	* @param array $data
18	*   The block data.
19	*
20	* @return array
21	*   Returns a render array with out-of-band commands.
22	*/
23	public function onActive(string $builder_id, array $data): array;
24
25	/**
26	* Event triggered when a block is attached to the root.
27	*
28	* @param string $builder_id
29	*   The builder ID.
30	* @param string $instance_id
31	*   The instance ID.
32	*
33	* @return array
34	*   Returns a render array with out-of-band commands.
35	*/
36	public function onAttachToRoot(string $builder_id, string $instance_id): array;
37
38	/**
39	* Event triggered when a block is attached to a slot.
40	*
41	* @param string $builder_id
42	*   The builder ID.
43	* @param string $instance_id
44	*   The instance ID.
45	* @param string $parent_id
46	*   The parent block instance ID.
47	*
48	* @return array
49	*   Returns a render array with out-of-band commands.
50	*/
51	public function onAttachToSlot(string $builder_id, string $instance_id, string $parent_id): array;
52
53	/**
54	* Event triggered when a block is deleted.
55	*
56	* @param string $builder_id
57	*   The builder ID.
58	* @param string $parent_id
59	*   The parent block instance ID.
60	*
61	* @return array
62	*   Returns a render array with out-of-band commands.
63	*/
64	public function onDelete(string $builder_id, string $parent_id): array;
65
66	/**
67	* Event triggered when the history changes.
68	*
69	* @param string $builder_id
70	*   The builder ID.
71	*
72	* @return array
73	*   Returns a render array with out-of-band commands.
74	*/
75	public function onHistoryChange(string $builder_id): array;
76
77	/**
78	* Event triggered when a block is moved.
79	*
80	* @param string $builder_id
81	*   The builder ID.
82	* @param string $instance_id
83	*   The instance ID.
84	*
85	* @return array
86	*   Returns a render array with out-of-band commands.
87	*/
88	public function onMove(string $builder_id, string $instance_id): array;
89
90	/**
91	* Event triggered when a block is updated.
92	*
93	* @param string $builder_id
94	*   The builder ID.
95	* @param string $instance_id
96	*   The instance ID.
97	*
98	* @return array
99	*   Returns a render array with out-of-band commands.
100	*/
101	public function onUpdate(string $builder_id, string $instance_id): array;
102
103	/**
104	* Event triggered when a builder is saved.
105	*
106	* @param string $builder_id
107	*   The builder ID.
108	*
109	* @return array
110	*   Returns a render array with out-of-band commands.
111	*/
112	public function onSave(string $builder_id): array;
113
114	/**
115	* Event triggered when a preset is saved.
116	*
117	* @param string $builder_id
118	*   The builder ID.
119	*
120	* @return array
121	*   Returns a render array with out-of-band commands.
122	*/
123	public function onPresetSave(string $builder_id): array;
124
125	}

---

Paths

Below are the source code lines that represent each code path as identified by Xdebug. Please note a path is not necessarily coterminous with a line, a line may contain multiple paths and therefore show up more than once. Please also be aware that some paths may include implicit rather than explicit branches, e.g. an if statement always has an else as part of its logical flow even if you didn't write one.