gutenberg / lib / widgets-page.php

widgets-page.php in Gutenberg 9.2.2, at lib/widgets-page.php

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1	<?php
2	/**
3	* Bootstraping the Gutenberg widgets page.
4	*
5	* @package gutenberg
6	*/
7
8	/**
9	* The main entry point for the Gutenberg widgets page.
10	*
11	* @since 5.2.0
12	*/
13	function the_gutenberg_widgets() {
14	?>
15	<div
16	id="widgets-editor"
17	class="blocks-widgets-container"
18	>
19	</div>
20	<?php
21	}
22
23	/**
24	* Initialize the Gutenberg widgets page.
25	*
26	* @since 5.2.0
27	*
28	* @param string $hook Page.
29	*/
30	function gutenberg_widgets_init( $hook ) {
31	if ( 'widgets.php' === $hook ) {
32	wp_enqueue_style( 'wp-block-library' );
33	wp_enqueue_style( 'wp-block-library-theme' );
34	wp_add_inline_style(
35	'wp-block-library-theme',
36	'.block-widget-form .widget-control-save { display: none; }'
37	);
38	return;
39	}
40	if ( ! in_array( $hook, array( 'appearance_page_gutenberg-widgets' ), true ) ) {
41	return;
42	}
43
44	$initializer_name = 'initialize';
45
46	// Media settings.
47	$max_upload_size = wp_max_upload_size();
48	if ( ! $max_upload_size ) {
49	$max_upload_size = 0;
50	}
51
52	/** This filter is documented in wp-admin/includes/media.php */
53	$image_size_names = apply_filters(
54	'image_size_names_choose',
55	array(
56	'thumbnail' => __( 'Thumbnail', 'gutenberg' ),
57	'medium' => __( 'Medium', 'gutenberg' ),
58	'large' => __( 'Large', 'gutenberg' ),
59	'full' => __( 'Full Size', 'gutenberg' ),
60	)
61	);
62
63	$available_image_sizes = array();
64	foreach ( $image_size_names as $image_size_slug => $image_size_name ) {
65	$available_image_sizes[] = array(
66	'slug' => $image_size_slug,
67	'name' => $image_size_name,
68	);
69	}
70
71	$settings = array_merge(
72	array(
73	'imageSizes' => $available_image_sizes,
74	'isRTL' => is_rtl(),
75	'maxUploadFileSize' => $max_upload_size,
76	),
77	gutenberg_get_legacy_widget_settings()
78	);
79
80	// This purposefully does not rely on apply_filters( 'block_editor_settings', $settings, null );
81	// Applying that filter would bring over multitude of features from the post editor, some of which
82	// may be undesirable. Instead of using that filter, we simply pick just the settings that are needed.
83	$settings = gutenberg_experimental_global_styles_settings( $settings );
84	$settings = gutenberg_extend_block_editor_styles( $settings );
85
86	$preload_paths = array(
87	array( '/wp/v2/media', 'OPTIONS' ),
88	'/wp/v2/sidebars?context=edit&per_page=-1',
89	'/wp/v2/widgets?context=edit&per_page=-1',
90	);
91	$preload_data = array_reduce(
92	$preload_paths,
93	'rest_preload_api_request',
94	array()
95	);
96	wp_add_inline_script(
97	'wp-api-fetch',
98	sprintf(
99	'wp.apiFetch.use( wp.apiFetch.createPreloadingMiddleware( %s ) );',
100	wp_json_encode( $preload_data )
101	),
102	'after'
103	);
104
105	wp_add_inline_script(
106	'wp-edit-widgets',
107	sprintf(
108	'wp.domReady( function() {
109	wp.editWidgets.%s( "widgets-editor", %s );
110	} );',
111	$initializer_name,
112	wp_json_encode( gutenberg_experiments_editor_settings( $settings ) )
113	)
114	);
115
116	// Preload server-registered block schemas.
117	wp_add_inline_script(
118	'wp-blocks',
119	'wp.blocks.unstable__bootstrapServerSideBlockDefinitions(' . wp_json_encode( get_block_editor_server_block_settings() ) . ');'
120	);
121
122	wp_enqueue_script( 'wp-edit-widgets' );
123	wp_enqueue_script( 'admin-widgets' );
124	wp_enqueue_script( 'wp-format-library' );
125	wp_enqueue_style( 'wp-edit-widgets' );
126	wp_enqueue_style( 'wp-format-library' );
127	}
128	add_action( 'admin_enqueue_scripts', 'gutenberg_widgets_init' );
129
130	/**
131	* Tells the script loader to load the scripts and styles of custom block on widgets editor screen.
132	*
133	* @param bool $is_block_editor_screen Current decision about loading block assets.
134	* @return bool Filtered decision about loading block assets.
135	*/
136	function gutenberg_widgets_editor_load_block_editor_scripts_and_styles( $is_block_editor_screen ) {
137	if ( is_callable( 'get_current_screen' ) && 'appearance_page_gutenberg-widgets' === get_current_screen()->base ) {
138	return true;
139	}
140
141	return $is_block_editor_screen;
142	}
143
144	add_filter( 'should_load_block_editor_scripts_and_styles', 'gutenberg_widgets_editor_load_block_editor_scripts_and_styles' );
145
146