|
1 <?php |
|
2 /** |
|
3 * Custom classname block support flag. |
|
4 * |
|
5 * @package WordPress |
|
6 * @since 5.6.0 |
|
7 */ |
|
8 |
|
9 /** |
|
10 * Registers the custom classname block attribute for block types that support it. |
|
11 * |
|
12 * @since 5.6.0 |
|
13 * @access private |
|
14 * |
|
15 * @param WP_Block_Type $block_type Block Type. |
|
16 */ |
|
17 function wp_register_custom_classname_support( $block_type ) { |
|
18 $has_custom_classname_support = block_has_support( $block_type, array( 'customClassName' ), true ); |
|
19 |
|
20 if ( $has_custom_classname_support ) { |
|
21 if ( ! $block_type->attributes ) { |
|
22 $block_type->attributes = array(); |
|
23 } |
|
24 |
|
25 if ( ! array_key_exists( 'className', $block_type->attributes ) ) { |
|
26 $block_type->attributes['className'] = array( |
|
27 'type' => 'string', |
|
28 ); |
|
29 } |
|
30 } |
|
31 } |
|
32 |
|
33 /** |
|
34 * Add the custom classnames to the output. |
|
35 * |
|
36 * @since 5.6.0 |
|
37 * @access private |
|
38 * |
|
39 * @param WP_Block_Type $block_type Block Type. |
|
40 * @param array $block_attributes Block attributes. |
|
41 * |
|
42 * @return array Block CSS classes and inline styles. |
|
43 */ |
|
44 function wp_apply_custom_classname_support( $block_type, $block_attributes ) { |
|
45 $has_custom_classname_support = block_has_support( $block_type, array( 'customClassName' ), true ); |
|
46 $attributes = array(); |
|
47 if ( $has_custom_classname_support ) { |
|
48 $has_custom_classnames = array_key_exists( 'className', $block_attributes ); |
|
49 |
|
50 if ( $has_custom_classnames ) { |
|
51 $attributes['class'] = $block_attributes['className']; |
|
52 } |
|
53 } |
|
54 |
|
55 return $attributes; |
|
56 } |
|
57 |
|
58 // Register the block support. |
|
59 WP_Block_Supports::get_instance()->register( |
|
60 'custom-classname', |
|
61 array( |
|
62 'register_attribute' => 'wp_register_custom_classname_support', |
|
63 'apply' => 'wp_apply_custom_classname_support', |
|
64 ) |
|
65 ); |