Diff: STRATO-apps/wordpress_03/app/wp-includes/block-supports/position.php

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1 + <?php
2 + /**
3 + * Position block support flag.
4 + *
5 + * @package WordPress
6 + * @since 6.2.0
7 + */
8 +
9 + /**
10 + * Registers the style block attribute for block types that support it.
11 + *
12 + * @since 6.2.0
13 + * @access private
14 + *
15 + * @param WP_Block_Type $block_type Block Type.
16 + */
17 + function wp_register_position_support( $block_type ) {
18 + $has_position_support = block_has_support( $block_type, 'position', false );
19 +
20 + // Set up attributes and styles within that if needed.
21 + if ( ! $block_type->attributes ) {
22 + $block_type->attributes = array();
23 + }
24 +
25 + if ( $has_position_support && ! array_key_exists( 'style', $block_type->attributes ) ) {
26 + $block_type->attributes['style'] = array(
27 + 'type' => 'object',
28 + );
29 + }
30 + }
31 +
32 + /**
33 + * Renders position styles to the block wrapper.
34 + *
35 + * @since 6.2.0
36 + * @access private
37 + *
38 + * @param string $block_content Rendered block content.
39 + * @param array $block Block object.
40 + * @return string Filtered block content.
41 + */
42 + function wp_render_position_support( $block_content, $block ) {
43 + $block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block['blockName'] );
44 + $has_position_support = block_has_support( $block_type, 'position', false );
45 +
46 + if (
47 + ! $has_position_support ||
48 + empty( $block['attrs']['style']['position'] )
49 + ) {
50 + return $block_content;
51 + }
52 +
53 + $global_settings = wp_get_global_settings();
54 + $theme_has_sticky_support = isset( $global_settings['position']['sticky'] ) ? $global_settings['position']['sticky'] : false;
55 + $theme_has_fixed_support = isset( $global_settings['position']['fixed'] ) ? $global_settings['position']['fixed'] : false;
56 +
57 + // Only allow output for position types that the theme supports.
58 + $allowed_position_types = array();
59 + if ( true === $theme_has_sticky_support ) {
60 + $allowed_position_types[] = 'sticky';
61 + }
62 + if ( true === $theme_has_fixed_support ) {
63 + $allowed_position_types[] = 'fixed';
64 + }
65 +
66 + $style_attribute = isset( $block['attrs']['style'] ) ? $block['attrs']['style'] : null;
67 + $class_name = wp_unique_id( 'wp-container-' );
68 + $selector = ".$class_name";
69 + $position_styles = array();
70 + $position_type = isset( $style_attribute['position']['type'] ) ? $style_attribute['position']['type'] : '';
71 + $wrapper_classes = array();
72 +
73 + if (
74 + in_array( $position_type, $allowed_position_types, true )
75 + ) {
76 + $wrapper_classes[] = $class_name;
77 + $wrapper_classes[] = 'is-position-' . $position_type;
78 + $sides = array( 'top', 'right', 'bottom', 'left' );
79 +
80 + foreach ( $sides as $side ) {
81 + $side_value = isset( $style_attribute['position'][ $side ] ) ? $style_attribute['position'][ $side ] : null;
82 + if ( null !== $side_value ) {
83 + /*
84 + * For fixed or sticky top positions,
85 + * ensure the value includes an offset for the logged in admin bar.
86 + */
87 + if (
88 + 'top' === $side &&
89 + ( 'fixed' === $position_type || 'sticky' === $position_type )
90 + ) {
91 + // Ensure 0 values can be used in `calc()` calculations.
92 + if ( '0' === $side_value || 0 === $side_value ) {
93 + $side_value = '0px';
94 + }
95 +
96 + // Ensure current side value also factors in the height of the logged in admin bar.
97 + $side_value = "calc($side_value + var(--wp-admin--admin-bar--position-offset, 0px))";
98 + }
99 +
100 + $position_styles[] =
101 + array(
102 + 'selector' => $selector,
103 + 'declarations' => array(
104 + $side => $side_value,
105 + ),
106 + );
107 + }
108 + }
109 +
110 + $position_styles[] =
111 + array(
112 + 'selector' => $selector,
113 + 'declarations' => array(
114 + 'position' => $position_type,
115 + 'z-index' => '10',
116 + ),
117 + );
118 + }
119 +
120 + if ( ! empty( $position_styles ) ) {
121 + /*
122 + * Add to the style engine store to enqueue and render position styles.
123 + */
124 + wp_style_engine_get_stylesheet_from_css_rules(
125 + $position_styles,
126 + array(
127 + 'context' => 'block-supports',
128 + 'prettify' => false,
129 + )
130 + );
131 +
132 + // Inject class name to block container markup.
133 + $content = new WP_HTML_Tag_Processor( $block_content );
134 + $content->next_tag();
135 + foreach ( $wrapper_classes as $class ) {
136 + $content->add_class( $class );
137 + }
138 + return (string) $content;
139 + }
140 +
141 + return $block_content;
142 + }
143 +
144 + // Register the block support.
145 + WP_Block_Supports::get_instance()->register(
146 + 'position',
147 + array(
148 + 'register_attribute' => 'wp_register_position_support',
149 + )
150 + );
151 + add_filter( 'render_block', 'wp_render_position_support', 10, 2 );
152 +