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| 1 | +<?php |
| 2 | +/** |
| 3 | + * Server-side rendering of the `core/icon` block. |
| 4 | + * |
| 5 | + * @package WordPress |
| 6 | + */ |
| 7 | + |
| 8 | +/** |
| 9 | + * Renders the `core/icon` block on server. |
| 10 | + * |
| 11 | + * @since 7.0.0 |
| 12 | + * |
| 13 | + * @param array $attributes The block attributes. |
| 14 | + * @param string $content The block content. |
| 15 | + * @param WP_Block $block The block instance. |
| 16 | + * |
| 17 | + * @return string Returns the Icon. |
| 18 | + */ |
| 19 | +function render_block_core_icon( $attributes ) { |
| 20 | + if ( empty( $attributes['icon'] ) ) { |
| 21 | + return; |
| 22 | + } |
| 23 | + |
| 24 | + $registry = WP_Icons_Registry::get_instance(); |
| 25 | + $icon = $registry->get_registered_icon( $attributes['icon'] ); |
| 26 | + |
| 27 | + if ( is_null( $icon ) ) { |
| 28 | + return; |
| 29 | + } |
| 30 | + |
| 31 | + // Text color and background color. |
| 32 | + $color_styles = array(); |
| 33 | + |
| 34 | + $preset_text_color = array_key_exists( 'textColor', $attributes ) ? "var:preset|color|{$attributes['textColor']}" : null; |
| 35 | + $custom_text_color = $attributes['style']['color']['text'] ?? null; |
| 36 | + $color_styles['text'] = $preset_text_color ? $preset_text_color : $custom_text_color; |
| 37 | + |
| 38 | + $preset_background_color = array_key_exists( 'backgroundColor', $attributes ) ? "var:preset|color|{$attributes['backgroundColor']}" : null; |
| 39 | + $custom_background_color = $attributes['style']['color']['background'] ?? null; |
| 40 | + $color_styles['background'] = $preset_background_color ? $preset_background_color : $custom_background_color; |
| 41 | + |
| 42 | + // Border. |
| 43 | + $border_styles = array(); |
| 44 | + $sides = array( 'top', 'right', 'bottom', 'left' ); |
| 45 | + |
| 46 | + if ( isset( $attributes['style']['border']['radius'] ) ) { |
| 47 | + $border_styles['radius'] = $attributes['style']['border']['radius']; |
| 48 | + } |
| 49 | + if ( isset( $attributes['style']['border']['style'] ) ) { |
| 50 | + $border_styles['style'] = $attributes['style']['border']['style']; |
| 51 | + } |
| 52 | + if ( isset( $attributes['style']['border']['width'] ) ) { |
| 53 | + $border_styles['width'] = $attributes['style']['border']['width']; |
| 54 | + } |
| 55 | + |
| 56 | + $preset_color = array_key_exists( 'borderColor', $attributes ) ? "var:preset|color|{$attributes['borderColor']}" : null; |
| 57 | + $custom_color = $attributes['style']['border']['color'] ?? null; |
| 58 | + $border_styles['color'] = $preset_color ? $preset_color : $custom_color; |
| 59 | + |
| 60 | + foreach ( $sides as $side ) { |
| 61 | + $border = $attributes['style']['border'][ $side ] ?? null; |
| 62 | + $border_styles[ $side ] = array( |
| 63 | + 'color' => $border['color'] ?? null, |
| 64 | + 'style' => $border['style'] ?? null, |
| 65 | + 'width' => $border['width'] ?? null, |
| 66 | + ); |
| 67 | + } |
| 68 | + |
| 69 | + // Spacing (Padding). |
| 70 | + $spacing_styles = array(); |
| 71 | + if ( isset( $attributes['style']['spacing']['padding'] ) ) { |
| 72 | + $spacing_styles['padding'] = $attributes['style']['spacing']['padding']; |
| 73 | + } |
| 74 | + |
| 75 | + // Dimensions (Width). |
| 76 | + $dimensions_styles = array(); |
| 77 | + if ( isset( $attributes['style']['dimensions']['width'] ) ) { |
| 78 | + $dimensions_styles['width'] = $attributes['style']['dimensions']['width']; |
| 79 | + } |
| 80 | + |
| 81 | + // Generate styles and classes. |
| 82 | + $styles = wp_style_engine_get_styles( |
| 83 | + array( |
| 84 | + 'color' => $color_styles, |
| 85 | + 'border' => $border_styles, |
| 86 | + 'spacing' => $spacing_styles, |
| 87 | + 'dimensions' => $dimensions_styles, |
| 88 | + ), |
| 89 | + ); |
| 90 | + |
| 91 | + $processor = new WP_HTML_Tag_Processor( $icon['content'] ); |
| 92 | + $processor->next_tag( 'svg' ); |
| 93 | + |
| 94 | + if ( ! empty( $styles['css'] ) ) { |
| 95 | + $processor->set_attribute( 'style', $styles['css'] ); |
| 96 | + } |
| 97 | + if ( ! empty( $styles['classnames'] ) ) { |
| 98 | + $processor->add_class( $styles['classnames'] ); |
| 99 | + } |
| 100 | + |
| 101 | + $aria_label = ! empty( $attributes['ariaLabel'] ) ? $attributes['ariaLabel'] : ''; |
| 102 | + |
| 103 | + if ( ! $aria_label ) { |
| 104 | + // Icon is decorative, hide it from screen readers. |
| 105 | + $processor->set_attribute( 'aria-hidden', 'true' ); |
| 106 | + $processor->set_attribute( 'focusable', 'false' ); |
| 107 | + } else { |
| 108 | + $processor->set_attribute( 'role', 'img' ); |
| 109 | + $processor->set_attribute( 'aria-label', $aria_label ); |
| 110 | + } |
| 111 | + |
| 112 | + // Return the updated SVG markup. |
| 113 | + $svg = $processor->get_updated_html(); |
| 114 | + $attributes = get_block_wrapper_attributes(); |
| 115 | + return sprintf( '<div %s>%s</div>', $attributes, $svg ); |
| 116 | +} |
| 117 | + |
| 118 | + |
| 119 | +/** |
| 120 | + * Registers the `core/icon` block on server. |
| 121 | + * |
| 122 | + * @since 7.0.0 |
| 123 | + */ |
| 124 | +function register_block_core_icon() { |
| 125 | + register_block_type_from_metadata( |
| 126 | + __DIR__ . '/icon', |
| 127 | + array( |
| 128 | + 'render_callback' => 'render_block_core_icon', |
| 129 | + ) |
| 130 | + ); |
| 131 | +} |
| 132 | +add_action( 'init', 'register_block_core_icon' ); |
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