button.php
326 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Button Block. |
| 4 | * |
| 5 | * @since 8.5.0 |
| 6 | * |
| 7 | * @package automattic/jetpack |
| 8 | */ |
| 9 | |
| 10 | namespace Automattic\Jetpack\Extensions\Button; |
| 11 | |
| 12 | use Automattic\Jetpack\Blocks; |
| 13 | use Jetpack_Gutenberg; |
| 14 | |
| 15 | const FEATURE_NAME = 'button'; |
| 16 | const BLOCK_NAME = 'jetpack/' . FEATURE_NAME; |
| 17 | |
| 18 | /** |
| 19 | * Registers the block for use in Gutenberg |
| 20 | * This is done via an action so that we can disable |
| 21 | * registration if we need to. |
| 22 | */ |
| 23 | function register_block() { |
| 24 | Blocks::jetpack_register_block( |
| 25 | BLOCK_NAME, |
| 26 | array( |
| 27 | 'render_callback' => __NAMESPACE__ . '\render_block', |
| 28 | 'uses_context' => array( 'jetpack/parentBlockWidth' ), |
| 29 | 'selectors' => array( |
| 30 | 'border' => '.wp-block-jetpack-button .wp-block-button__link', |
| 31 | ), |
| 32 | ) |
| 33 | ); |
| 34 | } |
| 35 | add_action( 'init', __NAMESPACE__ . '\register_block' ); |
| 36 | |
| 37 | /** |
| 38 | * Button block render callback. |
| 39 | * |
| 40 | * @param array $attributes Array containing the Button block attributes. |
| 41 | * @param string $content The Button block content. |
| 42 | * |
| 43 | * @return string |
| 44 | */ |
| 45 | function render_block( $attributes, $content ) { |
| 46 | $save_in_post_content = get_attribute( $attributes, 'saveInPostContent' ); |
| 47 | |
| 48 | // The Jetpack Button block depends on the core button block styles. |
| 49 | // The following ensures that those styles are enqueued when rendering this block. |
| 50 | enqueue_existing_button_style_dependency( 'core/button' ); |
| 51 | enqueue_existing_button_style_dependency( 'core/buttons' ); |
| 52 | |
| 53 | Jetpack_Gutenberg::load_styles_as_required( FEATURE_NAME ); |
| 54 | |
| 55 | if ( $save_in_post_content || ! class_exists( 'DOMDocument' ) ) { |
| 56 | return $content; |
| 57 | } |
| 58 | |
| 59 | $element = get_attribute( $attributes, 'element' ); |
| 60 | $text = wp_kses_post( get_attribute( $attributes, 'text' ) ); |
| 61 | $unique_id = get_attribute( $attributes, 'uniqueId' ); |
| 62 | $url = get_attribute( $attributes, 'url' ); |
| 63 | $classes = Blocks::classes( FEATURE_NAME, $attributes, array( 'wp-block-button' ) ); |
| 64 | |
| 65 | $button_classes = get_button_classes( $attributes ); |
| 66 | $button_styles = get_button_styles( $attributes ); |
| 67 | $wrapper_styles = get_button_wrapper_styles( $attributes ); |
| 68 | |
| 69 | $wrapper_attributes = sprintf( ' class="%s" style="%s"', esc_attr( $classes ), esc_attr( $wrapper_styles ) ); |
| 70 | $button_attributes = sprintf( ' class="%s" style="%s"', esc_attr( $button_classes ), esc_attr( $button_styles ) ); |
| 71 | |
| 72 | if ( empty( $unique_id ) ) { |
| 73 | $button_attributes .= ' data-id-attr="placeholder"'; |
| 74 | } else { |
| 75 | $button_attributes .= sprintf( ' data-id-attr="%1$s" id="%1$s"', esc_attr( $unique_id ) ); |
| 76 | } |
| 77 | |
| 78 | if ( ! in_array( $element, array( 'a', 'button', 'input' ), true ) ) { |
| 79 | $element = 'a'; |
| 80 | } |
| 81 | |
| 82 | if ( 'a' === $element ) { |
| 83 | $button_attributes .= sprintf( ' href="%s" target="_blank" role="button" rel="noopener noreferrer"', esc_url( $url ) ); |
| 84 | } elseif ( 'button' === $element ) { |
| 85 | $button_attributes .= ' type="submit"'; |
| 86 | } elseif ( 'input' === $element ) { |
| 87 | $button_attributes .= sprintf( ' type="submit" value="%s"', esc_attr( wp_strip_all_tags( $text, true ) ) ); |
| 88 | } |
| 89 | |
| 90 | $button_attributes .= ' data-wp-class--is-submitting="state.isSubmitting" data-wp-bind--aria-disabled="state.isAriaDisabled"'; |
| 91 | |
| 92 | $svg = '<svg width="24" height="24" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M12,1A11,11,0,1,0,23,12,11,11,0,0,0,12,1Zm0,19a8,8,0,1,1,8-8A8,8,0,0,1,12,20Z" opacity=".25"/><path d="M10.14,1.16a11,11,0,0,0-9,8.92A1.59,1.59,0,0,0,2.46,12,1.52,1.52,0,0,0,4.11,10.7a8,8,0,0,1,6.66-6.61A1.42,1.42,0,0,0,12,2.69h0A1.57,1.57,0,0,0,10.14,1.16Z"><animateTransform attributeName="transform" type="rotate" dur="0.75s" values="0 12 12;360 12 12" repeatCount="indefinite"/></path></svg>'; |
| 93 | $form_submitting_text = '<span class="is-visually-hidden">' . __( 'Submitting form', 'jetpack' ) . '</span>'; |
| 94 | $spinner = '<span class="spinner" aria-hidden="true">' . $svg . $form_submitting_text . '</span>'; |
| 95 | |
| 96 | $button = 'input' === $element |
| 97 | ? '<' . $element . $button_attributes . ' />' |
| 98 | : '<' . $element . $button_attributes . '>' . $text . $spinner . '</' . $element . '>'; |
| 99 | |
| 100 | // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
| 101 | return '<div' . $wrapper_attributes . '>' . $button . '</div>'; |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Get the Button block classes. |
| 106 | * |
| 107 | * @param array $attributes Array containing the block attributes. |
| 108 | * |
| 109 | * @return string |
| 110 | */ |
| 111 | function get_button_classes( $attributes ) { |
| 112 | $classes = array( 'wp-block-button__link' ); |
| 113 | $has_class_name = array_key_exists( 'className', $attributes ); |
| 114 | $has_named_text_color = array_key_exists( 'textColor', $attributes ); |
| 115 | $has_custom_text_color = array_key_exists( 'customTextColor', $attributes ); |
| 116 | $has_named_background_color = array_key_exists( 'backgroundColor', $attributes ); |
| 117 | $has_custom_background_color = array_key_exists( 'customBackgroundColor', $attributes ); |
| 118 | $has_named_gradient = array_key_exists( 'gradient', $attributes ); |
| 119 | $has_custom_gradient = array_key_exists( 'customGradient', $attributes ); |
| 120 | $has_border_radius = array_key_exists( 'borderRadius', $attributes ); |
| 121 | $has_font_size = array_key_exists( 'fontSize', $attributes ); |
| 122 | $has_named_border_color = array_key_exists( 'borderColor', $attributes ); |
| 123 | |
| 124 | if ( $has_font_size ) { |
| 125 | $classes[] = 'has-' . $attributes['fontSize'] . '-font-size'; |
| 126 | $classes[] = 'has-custom-font-size'; |
| 127 | } |
| 128 | |
| 129 | if ( $has_class_name ) { |
| 130 | $classes[] = $attributes['className']; |
| 131 | } |
| 132 | |
| 133 | if ( $has_named_text_color || $has_custom_text_color ) { |
| 134 | $classes[] = 'has-text-color'; |
| 135 | } |
| 136 | if ( $has_named_text_color ) { |
| 137 | $classes[] = sprintf( 'has-%s-color', $attributes['textColor'] ); |
| 138 | } |
| 139 | |
| 140 | if ( $has_named_border_color ) { |
| 141 | $classes[] = sprintf( 'has-%s-border-color', $attributes['borderColor'] ); |
| 142 | } |
| 143 | |
| 144 | if ( |
| 145 | $has_named_background_color || |
| 146 | $has_custom_background_color || |
| 147 | $has_named_gradient || |
| 148 | $has_custom_gradient |
| 149 | ) { |
| 150 | $classes[] = 'has-background'; |
| 151 | } |
| 152 | if ( $has_named_background_color && ! $has_custom_gradient ) { |
| 153 | $classes[] = sprintf( 'has-%s-background-color', $attributes['backgroundColor'] ); |
| 154 | } |
| 155 | if ( $has_named_gradient ) { |
| 156 | $classes[] = sprintf( 'has-%s-gradient-background', $attributes['gradient'] ); |
| 157 | } |
| 158 | |
| 159 | // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual |
| 160 | if ( $has_border_radius && 0 == $attributes['borderRadius'] ) { |
| 161 | $classes[] = 'no-border-radius'; |
| 162 | } |
| 163 | |
| 164 | return implode( ' ', $classes ); |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * Get the Button block styles. |
| 169 | * |
| 170 | * @param array $attributes Array containing the block attributes. |
| 171 | * |
| 172 | * @return string |
| 173 | */ |
| 174 | function get_button_styles( $attributes ) { |
| 175 | $styles = array(); |
| 176 | $has_named_text_color = array_key_exists( 'textColor', $attributes ); |
| 177 | $has_custom_text_color = array_key_exists( 'customTextColor', $attributes ); |
| 178 | $has_named_background_color = array_key_exists( 'backgroundColor', $attributes ); |
| 179 | $has_custom_background_color = array_key_exists( 'customBackgroundColor', $attributes ); |
| 180 | $has_named_gradient = array_key_exists( 'gradient', $attributes ); |
| 181 | $has_custom_gradient = array_key_exists( 'customGradient', $attributes ); |
| 182 | $has_border_radius = array_key_exists( 'borderRadius', $attributes ); |
| 183 | $has_font_family = array_key_exists( 'fontFamily', $attributes ); |
| 184 | $has_typography_styles = array_key_exists( 'style', $attributes ) && array_key_exists( 'typography', $attributes['style'] ); |
| 185 | $has_custom_font_size = $has_typography_styles && array_key_exists( 'fontSize', $attributes['style']['typography'] ); |
| 186 | $has_custom_text_transform = $has_typography_styles && array_key_exists( 'textTransform', $attributes['style']['typography'] ); |
| 187 | $border_styles = array(); |
| 188 | $border_attribute = $attributes['style']['border'] ?? null; |
| 189 | $is_border_style_array = is_array( $border_attribute ); |
| 190 | |
| 191 | $has_custom_border_color = $is_border_style_array && isset( $border_attribute['color'] ); |
| 192 | $has_border_style = $is_border_style_array && isset( $border_attribute['style'] ); |
| 193 | $has_border_width = $is_border_style_array && isset( $border_attribute['width'] ); |
| 194 | $has_individual_borders = $is_border_style_array && ( |
| 195 | isset( $border_attribute['top'] ) || |
| 196 | isset( $border_attribute['right'] ) || |
| 197 | isset( $border_attribute['bottom'] ) || |
| 198 | isset( $border_attribute['left'] ) |
| 199 | ); |
| 200 | |
| 201 | if ( $has_font_family ) { |
| 202 | $styles[] = sprintf( 'font-family: %s;', $attributes['fontFamily'] ); |
| 203 | } |
| 204 | |
| 205 | if ( $has_custom_font_size ) { |
| 206 | $styles[] = sprintf( 'font-size: %s;', $attributes['style']['typography']['fontSize'] ); |
| 207 | } |
| 208 | |
| 209 | if ( $has_custom_text_transform ) { |
| 210 | $styles[] = sprintf( 'text-transform: %s;', $attributes['style']['typography']['textTransform'] ); |
| 211 | } |
| 212 | |
| 213 | if ( ! $has_named_text_color && $has_custom_text_color ) { |
| 214 | $styles[] = sprintf( 'color: %s;', $attributes['customTextColor'] ); |
| 215 | } |
| 216 | |
| 217 | if ( ! $has_named_background_color && ! $has_named_gradient && $has_custom_gradient ) { |
| 218 | $styles[] = sprintf( 'background: %s;', $attributes['customGradient'] ); |
| 219 | } |
| 220 | |
| 221 | if ( |
| 222 | $has_custom_background_color && |
| 223 | ! $has_named_background_color && |
| 224 | ! $has_named_gradient && |
| 225 | ! $has_custom_gradient |
| 226 | ) { |
| 227 | $styles[] = sprintf( 'background-color: %s;', $attributes['customBackgroundColor'] ); |
| 228 | } |
| 229 | |
| 230 | // phpcs:ignore Universal.Operators.StrictComparisons.LooseNotEqual |
| 231 | if ( $has_border_radius && 0 != $attributes['borderRadius'] ) { |
| 232 | $styles[] = sprintf( 'border-radius: %spx;', $attributes['borderRadius'] ); |
| 233 | } |
| 234 | |
| 235 | if ( $has_custom_border_color ) { |
| 236 | $border_styles['color'] = $attributes['style']['border']['color']; |
| 237 | } |
| 238 | |
| 239 | if ( $has_border_style ) { |
| 240 | $border_styles['style'] = $attributes['style']['border']['style']; |
| 241 | } |
| 242 | |
| 243 | if ( $has_border_width ) { |
| 244 | $border_styles['width'] = $attributes['style']['border']['width']; |
| 245 | } |
| 246 | |
| 247 | if ( $has_individual_borders ) { |
| 248 | foreach ( array( 'top', 'right', 'bottom', 'left' ) as $side ) { |
| 249 | $border = $attributes['style']['border'][ $side ] ?? null; |
| 250 | if ( is_array( $border ) ) { |
| 251 | $border_side_values = array( |
| 252 | 'width' => $border['width'] ?? null, |
| 253 | 'color' => $border['color'] ?? null, |
| 254 | 'style' => $border['style'] ?? null, |
| 255 | ); |
| 256 | $border_styles[ $side ] = $border_side_values; |
| 257 | } |
| 258 | } |
| 259 | } |
| 260 | |
| 261 | $border_styles = wp_style_engine_get_styles( array( 'border' => $border_styles ) ); |
| 262 | if ( isset( $border_styles['css'] ) ) { |
| 263 | $styles[] = $border_styles['css']; |
| 264 | } |
| 265 | |
| 266 | return implode( ' ', $styles ); |
| 267 | } |
| 268 | |
| 269 | /** |
| 270 | * Get the Button wrapper block styles. |
| 271 | * |
| 272 | * @param array $attributes Array containing the block attributes. |
| 273 | * |
| 274 | * @return string |
| 275 | */ |
| 276 | function get_button_wrapper_styles( $attributes ) { |
| 277 | $styles = array(); |
| 278 | $has_width = array_key_exists( 'width', $attributes ); |
| 279 | |
| 280 | if ( $has_width && ! empty( $attributes['width'] ) ) { |
| 281 | $styles[] = sprintf( 'width: %s;', $attributes['width'] ); |
| 282 | } |
| 283 | |
| 284 | return implode( ' ', $styles ); |
| 285 | } |
| 286 | |
| 287 | /** |
| 288 | * Get filtered attributes. |
| 289 | * |
| 290 | * @param array $attributes Array containing the Button block attributes. |
| 291 | * @param string $attribute_name String containing the attribute name to get. |
| 292 | * |
| 293 | * @return string |
| 294 | */ |
| 295 | function get_attribute( $attributes, $attribute_name ) { |
| 296 | if ( isset( $attributes[ $attribute_name ] ) ) { |
| 297 | return $attributes[ $attribute_name ]; |
| 298 | } |
| 299 | |
| 300 | $default_attributes = array( |
| 301 | 'url' => '#', |
| 302 | 'element' => 'a', |
| 303 | 'saveInPostContent' => false, |
| 304 | ); |
| 305 | |
| 306 | if ( isset( $default_attributes[ $attribute_name ] ) ) { |
| 307 | return $default_attributes[ $attribute_name ]; |
| 308 | } |
| 309 | } |
| 310 | |
| 311 | /** |
| 312 | * Enqueue style for an existing block. |
| 313 | * |
| 314 | * The Jetpack Button block depends on styles from the core button block. |
| 315 | * In case that block is not already within the post content, we can use |
| 316 | * this function to ensure the block's style assets are enqueued. |
| 317 | * |
| 318 | * @param string $block_name Block type name including namespace. |
| 319 | */ |
| 320 | function enqueue_existing_button_style_dependency( $block_name ) { |
| 321 | $existing_block = \WP_Block_Type_Registry::get_instance()->get_registered( $block_name ); |
| 322 | if ( isset( $existing_block ) && ! empty( $existing_block->style ) ) { |
| 323 | wp_enqueue_style( $existing_block->style ); |
| 324 | } |
| 325 | } |
| 326 |