1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
<?php
/**
* Blocks API: WP_Block_Styles_Registry class
*
* @package WordPress
* @subpackage Blocks
* @since 5.3.0
*/
/**
* Class used for interacting with block styles.
*
* @since 5.3.0
*/
#[AllowDynamicProperties]
final class WP_Block_Styles_Registry {
/**
* Registered block styles, as `$block_name => $block_style_name => $block_style_properties` multidimensional arrays.
*
* @since 5.3.0
*
* @var array[]
*/
private $registered_block_styles = array();
/**
* Container for the main instance of the class.
*
* @since 5.3.0
*
* @var WP_Block_Styles_Registry|null
*/
private static $instance = null;
/**
* Registers a block style for the given block type.
*
* If the block styles are present in a standalone stylesheet, register it and pass
* its handle as the `style_handle` argument. If the block styles should be inline,
* use the `inline_style` argument. Usually, one of them would be used to pass CSS
* styles. However, you could also skip them and provide CSS styles in any stylesheet
* or with an inline tag.
*
* @since 5.3.0
* @since 6.6.0 Added ability to register style across multiple block types along with theme.json-like style data.
*
* @link https://developer.wordpress.org/block-editor/reference-guides/block-api/block-styles/
*
* @param string|string[] $block_name Block type name including namespace or array of namespaced block type names.
* @param array $style_properties {
* Array containing the properties of the style.
*
* @type string $name The identifier of the style used to compute a CSS class.
* @type string $label A human-readable label for the style.
* @type string $inline_style Inline CSS code that registers the CSS class required
* for the style.
* @type string $style_handle The handle to an already registered style that should be
* enqueued in places where block styles are needed.
* @type bool $is_default Whether this is the default style for the block type.
* @type array $style_data Theme.json-like object to generate CSS from.
* }
* @return bool True if the block style was registered with success and false otherwise.
*/
public function register( $block_name, $style_properties ) {
if ( ! is_string( $block_name ) && ! is_array( $block_name ) ) {
_doing_it_wrong(
__METHOD__,
__( 'Block name must be a string or array.' ),
'6.6.0'
);
return false;
}
if ( ! isset( $style_properties['name'] ) || ! is_string( $style_properties['name'] ) ) {
_doing_it_wrong(
__METHOD__,
__( 'Block style name must be a string.' ),
'5.3.0'
);
return false;
}
if ( str_contains( $style_properties['name'], ' ' ) ) {
_doing_it_wrong(
__METHOD__,
__( 'Block style name must not contain any spaces.' ),
'5.9.0'
);
return false;
}
$block_style_name = $style_properties['name'];
$block_names = is_string( $block_name ) ? array( $block_name ) : $block_name;
// Ensure there is a label defined.
if ( empty( $style_properties['label'] ) ) {
$style_properties['label'] = $block_style_name;
}
foreach ( $block_names as $name ) {
if ( ! isset( $this->registered_block_styles[ $name ] ) ) {
$this->registered_block_styles[ $name ] = array();
}
$this->registered_block_styles[ $name ][ $block_style_name ] = $style_properties;
}
return true;
}
/**
* Unregisters a block style of the given block type.
*
* @since 5.3.0
*
* @param string $block_name Block type name including namespace.
* @param string $block_style_name Block style name.
* @return bool True if the block style was unregistered with success and false otherwise.
*/
public function unregister( $block_name, $block_style_name ) {
if ( ! $this->is_registered( $block_name, $block_style_name ) ) {
_doing_it_wrong(
__METHOD__,
/* translators: 1: Block name, 2: Block style name. */
sprintf( __( 'Block "%1$s" does not contain a style named "%2$s".' ), $block_name, $block_style_name ),
'5.3.0'
);
return false;
}
unset( $this->registered_block_styles[ $block_name ][ $block_style_name ] );
return true;
}
/**
* Retrieves the properties of a registered block style for the given block type.
*
* @since 5.3.0
*
* @param string $block_name Block type name including namespace.
* @param string $block_style_name Block style name.
* @return array Registered block style properties.
*/
public function get_registered( $block_name, $block_style_name ) {
if ( ! $this->is_registered( $block_name, $block_style_name ) ) {
return null;
}
return $this->registered_block_styles[ $block_name ][ $block_style_name ];
}
/**
* Retrieves all registered block styles.
*
* @since 5.3.0
*
* @return array[] Array of arrays containing the registered block styles properties grouped by block type.
*/
public function get_all_registered() {
return $this->registered_block_styles;
}
/**
* Retrieves registered block styles for a specific block type.
*
* @since 5.3.0
*
* @param string $block_name Block type name including namespace.
* @return array[] Array whose keys are block style names and whose values are block style properties.
*/
public function get_registered_styles_for_block( $block_name ) {
if ( isset( $this->registered_block_styles[ $block_name ] ) ) {
return $this->registered_block_styles[ $block_name ];
}
return array();
}
/**
* Checks if a block style is registered for the given block type.
*
* @since 5.3.0
*
* @param string $block_name Block type name including namespace.
* @param string $block_style_name Block style name.
* @return bool True if the block style is registered, false otherwise.
*/
public function is_registered( $block_name, $block_style_name ) {
return isset( $this->registered_block_styles[ $block_name ][ $block_style_name ] );
}
/**
* Utility method to retrieve the main instance of the class.
*
* The instance will be created if it does not exist yet.
*
* @since 5.3.0
*
* @return WP_Block_Styles_Registry The main instance.
*/
public static function get_instance() {
if ( null === self::$instance ) {
self::$instance = new self();
}
return self::$instance;
}
}
|
