gutenberg / lib / init.php

init.php in Gutenberg 12.4.1, at lib/init.php

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1	<?php
2	/**
3	* Init hooks.
4	*
5	* @package gutenberg
6	*/
7
8	/**
9	* Gutenberg's Menu.
10	*
11	* Adds a new wp-admin menu page for the Gutenberg editor.
12	*
13	* @since 0.1.0
14	*/
15	function gutenberg_menu() {
16	add_menu_page(
17	'Gutenberg',
18	'Gutenberg',
19	'edit_posts',
20	'gutenberg',
21	'',
22	'dashicons-edit'
23	);
24
25	add_submenu_page(
26	'gutenberg',
27	__( 'Demo', 'gutenberg' ),
28	__( 'Demo', 'gutenberg' ),
29	'edit_posts',
30	'gutenberg'
31	);
32
33	if (
34	gutenberg_use_widgets_block_editor() &&
35	! function_exists( 'wp_use_widgets_block_editor' ) &&
36	current_theme_supports( 'widgets' )
37	) {
38	add_theme_page(
39	__( 'Widgets', 'gutenberg' ),
40	__( 'Widgets', 'gutenberg' ),
41	'edit_theme_options',
42	'gutenberg-widgets',
43	'the_gutenberg_widgets',
44	2
45	);
46	remove_submenu_page( 'themes.php', 'widgets.php' );
47	}
48
49	if ( get_option( 'gutenberg-experiments' ) ) {
50	if ( array_key_exists( 'gutenberg-navigation', get_option( 'gutenberg-experiments' ) ) ) {
51	add_submenu_page(
52	'gutenberg',
53	__( 'Navigation (beta)', 'gutenberg' ),
54	__( 'Navigation (beta)', 'gutenberg' ),
55	'edit_theme_options',
56	'gutenberg-navigation',
57	'gutenberg_navigation_page'
58	);
59	}
60	}
61	if ( current_user_can( 'edit_posts' ) ) {
62	add_submenu_page(
63	'gutenberg',
64	__( 'Support', 'gutenberg' ),
65	__( 'Support', 'gutenberg' ),
66	'edit_posts',
67	__( 'https://wordpress.org/support/plugin/gutenberg/', 'gutenberg' )
68	);
69	add_submenu_page(
70	'gutenberg',
71	__( 'Documentation', 'gutenberg' ),
72	__( 'Documentation', 'gutenberg' ),
73	'edit_posts',
74	'https://developer.wordpress.org/block-editor/'
75	);
76	}
77
78	add_submenu_page(
79	'gutenberg',
80	__( 'Experiments Settings', 'gutenberg' ),
81	__( 'Experiments', 'gutenberg' ),
82	'edit_posts',
83	'gutenberg-experiments',
84	'the_gutenberg_experiments'
85	);
86	}
87	add_action( 'admin_menu', 'gutenberg_menu', 9 );
88
89	/**
90	* Site editor's Menu.
91	*
92	* Adds a new wp-admin menu item for the Site editor.
93	*
94	* @since 9.4.0
95	*/
96	function gutenberg_site_editor_menu() {
97	if ( wp_is_block_theme() ) {
98	add_theme_page(
99	__( 'Editor (beta)', 'gutenberg' ),
100	sprintf(
101	/* translators: %s: "beta" label. */
102	__( 'Editor %s', 'gutenberg' ),
103	'<span class="awaiting-mod">' . __( 'beta', 'gutenberg' ) . '</span>'
104	),
105	'edit_theme_options',
106	'gutenberg-edit-site',
107	'gutenberg_edit_site_page'
108	);
109	}
110	}
111	add_action( 'admin_menu', 'gutenberg_site_editor_menu', 9 );
112
113	/**
114	* Modify WP admin bar.
115	*
116	* @param WP_Admin_Bar $wp_admin_bar Core class used to implement the Toolbar API.
117	*/
118	function modify_admin_bar( $wp_admin_bar ) {
119	if (
120	gutenberg_use_widgets_block_editor() &&
121	! function_exists( 'wp_use_widgets_block_editor' ) &&
122	$wp_admin_bar->get_node( 'widgets' ) !== null
123	) {
124	$wp_admin_bar->add_menu(
125	array(
126	'id' => 'widgets',
127	'href' => admin_url( 'themes.php?page=gutenberg-widgets' ),
128	)
129	);
130	}
131	}
132	add_action( 'admin_bar_menu', 'modify_admin_bar', 40 );
133
134
135	remove_action( 'welcome_panel', 'wp_welcome_panel' );
136	/**
137	* Modify Dashboard welcome panel.
138	*
139	* When widgets are merged in core this should go into `wp-admin/includes/dashboard.php`
140	* and replace the widgets link in the `wp_welcome_panel` checking for the same condition,
141	* because then `gutenberg_use_widgets_block_editor` will exist in core.
142	*/
143	function modify_welcome_panel() {
144	ob_start();
145	wp_welcome_panel();
146	$welcome_panel = ob_get_clean();
147	if (
148	gutenberg_use_widgets_block_editor() &&
149	! function_exists( 'wp_use_widgets_block_editor' )
150	) {
151	echo str_replace(
152	admin_url( 'widgets.php' ),
153	admin_url( 'themes.php?page=gutenberg-widgets' ),
154	$welcome_panel
155	);
156	} else {
157	echo $welcome_panel;
158	}
159	}
160	add_action( 'welcome_panel', 'modify_welcome_panel', 40 );
161
162	/**
163	* Outputs a WP REST API nonce.
164	*/
165	function gutenberg_rest_nonce() {
166	exit( wp_create_nonce( 'wp_rest' ) );
167	}
168	add_action( 'wp_ajax_gutenberg_rest_nonce', 'gutenberg_rest_nonce' );
169
170
171	/**
172	* Exposes the site icon url to the Gutenberg editor through the WordPress REST
173	* API. The site icon url should instead be fetched from the wp/v2/settings
174	* endpoint when https://github.com/WordPress/gutenberg/pull/19967 is complete.
175	*
176	* @since 8.2.1
177	*
178	* @param WP_REST_Response $response Response data served by the WordPress REST index endpoint.
179	* @return WP_REST_Response
180	*/
181	function register_site_icon_url( $response ) {
182	$data = $response->data;
183	$data['site_icon_url'] = get_site_icon_url();
184	$response->set_data( $data );
185	return $response;
186	}
187
188	add_filter( 'rest_index', 'register_site_icon_url' );
189
190	/**
191	* Exposes the site logo to the Gutenberg editor through the WordPress REST
192	* API. This is used for fetching this information when user has no rights
193	* to update settings.
194	*
195	* @since 10.9
196	*
197	* @param WP_REST_Response $response Response data served by the WordPress REST index endpoint.
198	* @return WP_REST_Response
199	*/
200	function register_site_logo_to_rest_index( $response ) {
201	$site_logo_id = get_theme_mod( 'custom_logo' );
202	$response->data['site_logo'] = $site_logo_id;
203	if ( $site_logo_id ) {
204	$response->add_link(
205	'https://api.w.org/featuredmedia',
206	rest_url( 'wp/v2/media/' . $site_logo_id ),
207	array(
208	'embeddable' => true,
209	)
210	);
211	}
212	return $response;
213	}
214
215	add_filter( 'rest_index', 'register_site_logo_to_rest_index' );
216
217	add_theme_support( 'widgets-block-editor' );
218