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| 1 | <?php |
| 2 | |
| 3 | namespace NewfoldLabs\WP\Module\Patterns; |
| 4 | |
| 5 | /** |
| 6 | * Class BlockStyles |
| 7 | * |
| 8 | * Registers custom block styles for the WordPress block editor. |
| 9 | * Provides additional styling options for core blocks. |
| 10 | */ |
| 11 | class BlockStyles { |
| 12 | |
| 13 | /** |
| 14 | * Constructor to hook into WordPress. |
| 15 | */ |
| 16 | public function __construct() { |
| 17 | add_action( 'init', array( $this, 'register_block_styles' ) ); |
| 18 | |
| 19 | add_filter( 'render_block_core/cover', array( $this, 'render_cover_block' ), 10, 3 ); |
| 20 | } |
| 21 | |
| 22 | /** |
| 23 | * Register custom block styles for the core/group block. |
| 24 | */ |
| 25 | public function register_block_styles() { |
| 26 | |
| 27 | $image_styles = array( |
| 28 | array( |
| 29 | 'name' => 'nfd-dots-bottom-left', |
| 30 | 'label' => __( 'Dots BL', 'nfd-wonder-blocks' ), |
| 31 | ), |
| 32 | array( |
| 33 | 'name' => 'nfd-waves-bottom-left', |
| 34 | 'label' => __( 'Waves BL', 'nfd-wonder-blocks' ), |
| 35 | ), |
| 36 | array( |
| 37 | 'name' => 'nfd-dots-bottom-right', |
| 38 | 'label' => __( 'Dots BR', 'nfd-wonder-blocks' ), |
| 39 | ), |
| 40 | array( |
| 41 | 'name' => 'nfd-waves-bottom-right', |
| 42 | 'label' => __( 'Waves BR', 'nfd-wonder-blocks' ), |
| 43 | ), |
| 44 | array( |
| 45 | 'name' => 'nfd-dots-top-left', |
| 46 | 'label' => __( 'Dots TL', 'nfd-wonder-blocks' ), |
| 47 | ), |
| 48 | array( |
| 49 | 'name' => 'nfd-waves-top-left', |
| 50 | 'label' => __( 'Waves TL', 'nfd-wonder-blocks' ), |
| 51 | ), |
| 52 | array( |
| 53 | 'name' => 'nfd-dots-top-right', |
| 54 | 'label' => __( 'Dots TR', 'nfd-wonder-blocks' ), |
| 55 | ), |
| 56 | array( |
| 57 | 'name' => 'nfd-waves-top-right', |
| 58 | 'label' => __( 'Waves TR', 'nfd-wonder-blocks' ), |
| 59 | ), |
| 60 | ); |
| 61 | |
| 62 | $theme_styles = array( |
| 63 | array( |
| 64 | 'name' => 'nfd-theme-white', |
| 65 | 'label' => __( 'White', 'nfd-wonder-blocks' ), |
| 66 | ), |
| 67 | array( |
| 68 | 'name' => 'nfd-theme-light', |
| 69 | 'label' => __( 'Light', 'nfd-wonder-blocks' ), |
| 70 | ), |
| 71 | array( |
| 72 | 'name' => 'nfd-theme-dark', |
| 73 | 'label' => __( 'Dark', 'nfd-wonder-blocks' ), |
| 74 | ), |
| 75 | array( |
| 76 | 'name' => 'nfd-theme-darker', |
| 77 | 'label' => __( 'Darker', 'nfd-wonder-blocks' ), |
| 78 | ), |
| 79 | array( |
| 80 | 'name' => 'nfd-theme-primary', |
| 81 | 'label' => __( 'Primary', 'nfd-wonder-blocks' ), |
| 82 | ), |
| 83 | array( |
| 84 | 'name' => 'nfd-theme-primary-15', |
| 85 | 'label' => __( 'Primary Light', 'nfd-wonder-blocks' ), |
| 86 | ), |
| 87 | ); |
| 88 | |
| 89 | foreach ( $image_styles as $image_style ) { |
| 90 | register_block_style( |
| 91 | array( 'core/group', 'core/image' ), |
| 92 | $image_style |
| 93 | ); |
| 94 | } |
| 95 | |
| 96 | foreach ( $theme_styles as $theme_style ) { |
| 97 | register_block_style( |
| 98 | 'core/group', |
| 99 | $theme_style |
| 100 | ); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Modifies the HTML output of the Cover block by adding link-related attributes and elements. |
| 106 | * |
| 107 | * @param string $html The original HTML content of the Cover block. |
| 108 | * @param array $block The parsed block data, including its attributes. |
| 109 | * @param array $attributes The block attributes passed to the Cover block. |
| 110 | * @return string The modified HTML content of the Cover block. |
| 111 | */ |
| 112 | public function render_cover_block( $html, $block, $attributes ) { |
| 113 | if( empty( $block['attrs'] ) ) { |
| 114 | return $html; |
| 115 | } |
| 116 | |
| 117 | $attrs = $block['attrs']; |
| 118 | $url = isset( $attrs['linkUrl'] ) ? trim( $attrs['linkUrl'] ) : ''; |
| 119 | if( $url === '' ){ |
| 120 | return $html; |
| 121 | } |
| 122 | |
| 123 | $blank = ! empty( $attrs['linkOpensInNewTab'] ); |
| 124 | $target = $blank ? '_blank' : '_self'; |
| 125 | $relBits = []; |
| 126 | if( $blank ) { |
| 127 | $relBits[] = 'noopener'; |
| 128 | } |
| 129 | if( !empty( $attrs['linkRel'] ) ) { |
| 130 | $relBits[] = $attrs['linkRel']; |
| 131 | } |
| 132 | |
| 133 | $rel = implode( ' ', array_unique( array_filter( $relBits ) ) ); |
| 134 | |
| 135 | $html = preg_replace_callback( |
| 136 | '/^(\s*<div\b[^>]*class="([^"]*)"(.*?)>)/i', |
| 137 | function ( $m ) use ( $url, $blank ) { |
| 138 | $openTag = $m[1]; |
| 139 | $classes = $m[2]; |
| 140 | $rest = $m[3]; |
| 141 | |
| 142 | if( strpos( $classes, 'nfd-is-linked-group' ) === false ) { |
| 143 | $classes .= ' nfd-is-linked-group'; |
| 144 | } |
| 145 | |
| 146 | $openTag = preg_replace( '/\sdata-link-url="[^"]*"/i', '', $openTag ); |
| 147 | $openTag = preg_replace( '/\sdata-link-blank="[^"]*"/i', '', $openTag ); |
| 148 | $openTag = preg_replace( '/class="[^"]*"/i', 'class="' . esc_attr( trim( $classes ) ) . '"', $openTag ); |
| 149 | $openTag = rtrim( $openTag, '>' ) . ' data-link-url="' . esc_attr( $url ) . '" data-link-blank="' . ( $blank ? '1' : '' ) . '">'; |
| 150 | |
| 151 | return $openTag; |
| 152 | }, |
| 153 | $html, |
| 154 | 1 |
| 155 | ); |
| 156 | |
| 157 | $linkTag = sprintf( |
| 158 | '<a class="wp-block-cover__link" href="%s"%s%s aria-hidden="true" tabindex="-1"></a>', |
| 159 | esc_url( $url ), |
| 160 | $target ? ' target="' . esc_attr( $target ) . '"' : '', |
| 161 | $rel ? ' rel="' . esc_attr( $rel ) . '"' : '' |
| 162 | ); |
| 163 | |
| 164 | $pos = strpos( $html, '>' ); |
| 165 | if( $pos !== false ) { |
| 166 | $html = substr_replace( $html, '>' . $linkTag, $pos, 1 ); |
| 167 | } |
| 168 | |
| 169 | return $html; |
| 170 | } |
| 171 | |
| 172 | } |