| @@ -1,0 +1,453 @@ | ||
| 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 | +if ( ! defined( 'ABSPATH' ) ) { | |
| 16 | + exit( 0 ); | |
| 17 | +} | |
| 18 | + | |
| 19 | +const FEATURE_NAME = 'button'; | |
| 20 | +const BLOCK_NAME = 'jetpack/' . FEATURE_NAME; | |
| 21 | + | |
| 22 | +/** | |
| 23 | + * Registers the block for use in Gutenberg | |
| 24 | + * This is done via an action so that we can disable | |
| 25 | + * registration if we need to. | |
| 26 | + */ | |
| 27 | +function register_block() { | |
| 28 | + Blocks::jetpack_register_block( | |
| 29 | + BLOCK_NAME, | |
| 30 | + array( | |
| 31 | + 'render_callback' => __NAMESPACE__ . '\render_block', | |
| 32 | + 'render_email_callback' => __NAMESPACE__ . '\render_email', | |
| 33 | + 'uses_context' => array( 'jetpack/parentBlockWidth' ), | |
| 34 | + 'selectors' => array( | |
| 35 | + 'border' => '.wp-block-jetpack-button .wp-block-button__link', | |
| 36 | + ), | |
| 37 | + ) | |
| 38 | + ); | |
| 39 | +} | |
| 40 | +add_action( 'init', __NAMESPACE__ . '\register_block' ); | |
| 41 | + | |
| 42 | +/** | |
| 43 | + * Button block render callback. | |
| 44 | + * | |
| 45 | + * @param array $attributes Array containing the Button block attributes. | |
| 46 | + * @param string $content The Button block content. | |
| 47 | + * | |
| 48 | + * @return string | |
| 49 | + */ | |
| 50 | +function render_block( $attributes, $content ) { | |
| 51 | + $save_in_post_content = get_attribute( $attributes, 'saveInPostContent' ); | |
| 52 | + | |
| 53 | + // The Jetpack Button block depends on the core button block styles. | |
| 54 | + // The following ensures that those styles are enqueued when rendering this block. | |
| 55 | + enqueue_existing_button_style_dependency( 'core/button' ); | |
| 56 | + enqueue_existing_button_style_dependency( 'core/buttons' ); | |
| 57 | + | |
| 58 | + Jetpack_Gutenberg::load_styles_as_required( FEATURE_NAME ); | |
| 59 | + | |
| 60 | + if ( $save_in_post_content || ! class_exists( 'DOMDocument' ) ) { | |
| 61 | + return $content; | |
| 62 | + } | |
| 63 | + | |
| 64 | + $element = get_attribute( $attributes, 'element' ); | |
| 65 | + $text = wp_kses_post( get_attribute( $attributes, 'text' ) ); | |
| 66 | + $unique_id = get_attribute( $attributes, 'uniqueId' ); | |
| 67 | + $url = get_attribute( $attributes, 'url' ); | |
| 68 | + $classes = Blocks::classes( FEATURE_NAME, $attributes, array( 'wp-block-button' ) ); | |
| 69 | + | |
| 70 | + $button_classes = get_button_classes( $attributes ); | |
| 71 | + $button_styles = get_button_styles( $attributes ); | |
| 72 | + $wrapper_styles = get_button_wrapper_styles( $attributes ); | |
| 73 | + | |
| 74 | + $wrapper_attributes = sprintf( ' class="%s" style="%s"', esc_attr( $classes ), esc_attr( $wrapper_styles ) ); | |
| 75 | + $button_attributes = sprintf( ' class="%s" style="%s"', esc_attr( $button_classes ), esc_attr( $button_styles ) ); | |
| 76 | + | |
| 77 | + if ( empty( $unique_id ) ) { | |
| 78 | + $button_attributes .= ' data-id-attr="placeholder"'; | |
| 79 | + } else { | |
| 80 | + $button_attributes .= sprintf( ' data-id-attr="%1$s" id="%1$s"', esc_attr( $unique_id ) ); | |
| 81 | + } | |
| 82 | + | |
| 83 | + if ( ! in_array( $element, array( 'a', 'button', 'input' ), true ) ) { | |
| 84 | + $element = 'a'; | |
| 85 | + } | |
| 86 | + | |
| 87 | + if ( 'a' === $element ) { | |
| 88 | + $button_attributes .= sprintf( ' href="%s" target="_blank" role="button" rel="noopener noreferrer"', esc_url( $url ) ); | |
| 89 | + } elseif ( 'button' === $element ) { | |
| 90 | + $button_attributes .= ' type="submit"'; | |
| 91 | + } elseif ( 'input' === $element ) { | |
| 92 | + $button_attributes .= sprintf( ' type="submit" value="%s"', esc_attr( wp_strip_all_tags( $text, true ) ) ); | |
| 93 | + } | |
| 94 | + | |
| 95 | + $button_attributes .= ' data-wp-class--is-submitting="state.isSubmitting" data-wp-bind--aria-disabled="state.isAriaDisabled"'; | |
| 96 | + | |
| 97 | + $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>'; | |
| 98 | + $form_submitting_text = '<span class="is-visually-hidden">' . __( 'Submitting form', 'jetpack' ) . '</span>'; | |
| 99 | + $spinner = '<span class="spinner" aria-hidden="true">' . $svg . $form_submitting_text . '</span>'; | |
| 100 | + | |
| 101 | + $button = 'input' === $element | |
| 102 | + ? '<' . $element . $button_attributes . ' />' | |
| 103 | + : '<' . $element . $button_attributes . '>' . $text . $spinner . '</' . $element . '>'; | |
| 104 | + | |
| 105 | + return '<div' . $wrapper_attributes . '>' . $button . '</div>'; | |
| 106 | +} | |
| 107 | + | |
| 108 | +/** | |
| 109 | + * WooCommerce Email Editor render callback for the button block. | |
| 110 | + * | |
| 111 | + * @param string $block_content The block content. | |
| 112 | + * @param array $parsed_block The parsed block data. | |
| 113 | + * @param object $rendering_context The email rendering context. | |
| 114 | + * | |
| 115 | + * @return string | |
| 116 | + */ | |
| 117 | +function render_email( $block_content, array $parsed_block, $rendering_context ) { | |
| 118 | + // Validate input parameters and required dependencies | |
| 119 | + if ( ! isset( $parsed_block['attrs'] ) || ! is_array( $parsed_block['attrs'] ) || | |
| 120 | + ! class_exists( '\Automattic\WooCommerce\EmailEditor\Integrations\Core\Renderer\Blocks\Button' ) ) { | |
| 121 | + return ''; | |
| 122 | + } | |
| 123 | + | |
| 124 | + $attributes = $parsed_block['attrs']; | |
| 125 | + | |
| 126 | + // Create a mock innerHTML that WooCommerce's button renderer can parse | |
| 127 | + $button_text = ! empty( $attributes['text'] ) ? sanitize_text_field( $attributes['text'] ) : __( 'Click here', 'jetpack' ); | |
| 128 | + $button_url = ! empty( $attributes['url'] ) ? $attributes['url'] : '#'; | |
| 129 | + | |
| 130 | + // Create the innerHTML that WooCommerce's button renderer expects | |
| 131 | + $inner_html = sprintf( | |
| 132 | + '<div class="wp-block-button"><a class="wp-block-button__link" href="%s">%s</a></div>', | |
| 133 | + esc_url( $button_url ), | |
| 134 | + esc_html( $button_text ) | |
| 135 | + ); | |
| 136 | + | |
| 137 | + // Format attributes for WooCommerce's Styles_Helper | |
| 138 | + $formatted_attributes = format_attributes_for_woocommerce( $attributes ); | |
| 139 | + | |
| 140 | + // Create a mock parsed block that WooCommerce's button renderer can handle | |
| 141 | + $mock_parsed_block = array( | |
| 142 | + 'innerHTML' => $inner_html, | |
| 143 | + 'attrs' => $formatted_attributes, | |
| 144 | + ); | |
| 145 | + | |
| 146 | + // Use WooCommerce's core button renderer | |
| 147 | + $woo_button_renderer = new \Automattic\WooCommerce\EmailEditor\Integrations\Core\Renderer\Blocks\Button(); | |
| 148 | + | |
| 149 | + return $woo_button_renderer->render( $block_content, $mock_parsed_block, $rendering_context ); | |
| 150 | +} | |
| 151 | + | |
| 152 | +/** | |
| 153 | + * Format button attributes for WooCommerce's Styles_Helper. | |
| 154 | + * | |
| 155 | + * @param array $attributes The original attributes. | |
| 156 | + * @return array The formatted attributes. | |
| 157 | + */ | |
| 158 | +function format_attributes_for_woocommerce( $attributes ) { | |
| 159 | + $formatted = array(); | |
| 160 | + | |
| 161 | + // Handle background colors (prioritize subscription attributes) | |
| 162 | + // Named colors go in backgroundColor, hex colors go in style.color.background | |
| 163 | + if ( ! empty( $attributes['buttonBackgroundColor'] ) ) { | |
| 164 | + $formatted['backgroundColor'] = $attributes['buttonBackgroundColor']; | |
| 165 | + } elseif ( ! empty( $attributes['backgroundColor'] ) ) { | |
| 166 | + $formatted['backgroundColor'] = $attributes['backgroundColor']; | |
| 167 | + } | |
| 168 | + | |
| 169 | + if ( ! empty( $attributes['customButtonBackgroundColor'] ) ) { | |
| 170 | + $formatted['style']['color']['background'] = $attributes['customButtonBackgroundColor']; | |
| 171 | + } elseif ( ! empty( $attributes['customBackgroundColor'] ) ) { | |
| 172 | + $formatted['style']['color']['background'] = $attributes['customBackgroundColor']; | |
| 173 | + } | |
| 174 | + | |
| 175 | + // Named colors go in textColor, hex colors go in style.color.text | |
| 176 | + if ( ! empty( $attributes['textColor'] ) ) { | |
| 177 | + $formatted['textColor'] = $attributes['textColor']; | |
| 178 | + } | |
| 179 | + if ( ! empty( $attributes['customTextColor'] ) ) { | |
| 180 | + $formatted['style']['color']['text'] = $attributes['customTextColor']; | |
| 181 | + } | |
| 182 | + | |
| 183 | + // Handle typography (font size) | |
| 184 | + if ( ! empty( $attributes['fontSize'] ) ) { | |
| 185 | + $formatted['style']['typography']['fontSize'] = $attributes['fontSize']; | |
| 186 | + } | |
| 187 | + if ( ! empty( $attributes['customFontSize'] ) ) { | |
| 188 | + $formatted['style']['typography']['fontSize'] = $attributes['customFontSize']; | |
| 189 | + } | |
| 190 | + | |
| 191 | + // Handle borders | |
| 192 | + if ( ! empty( $attributes['borderRadius'] ) ) { | |
| 193 | + $formatted['style']['border']['radius'] = $attributes['borderRadius'] . 'px'; | |
| 194 | + } | |
| 195 | + // Named colors go in borderColor, hex colors go in style.color.border | |
| 196 | + if ( ! empty( $attributes['borderColor'] ) ) { | |
| 197 | + $formatted['borderColor'] = $attributes['borderColor']; | |
| 198 | + } | |
| 199 | + if ( ! empty( $attributes['customBorderColor'] ) ) { | |
| 200 | + $formatted['style']['border']['color'] = $attributes['customBorderColor']; | |
| 201 | + } | |
| 202 | + // Handle border weight (subscription block uses borderWeight, button block expects style.border.width) | |
| 203 | + if ( ! empty( $attributes['borderWeight'] ) ) { | |
| 204 | + $formatted['style']['border']['width'] = $attributes['borderWeight'] . 'px'; | |
| 205 | + } | |
| 206 | + | |
| 207 | + // Handle padding | |
| 208 | + if ( ! empty( $attributes['padding'] ) ) { | |
| 209 | + $formatted['style']['spacing']['padding'] = $attributes['padding'] . 'px'; | |
| 210 | + } | |
| 211 | + | |
| 212 | + return $formatted; | |
| 213 | +} | |
| 214 | + | |
| 215 | +/** | |
| 216 | + * Get the Button block classes. | |
| 217 | + * | |
| 218 | + * @param array $attributes Array containing the block attributes. | |
| 219 | + * | |
| 220 | + * @return string | |
| 221 | + */ | |
| 222 | +function get_button_classes( $attributes ) { | |
| 223 | + $classes = array( 'wp-block-button__link' ); | |
| 224 | + $has_class_name = array_key_exists( 'className', $attributes ); | |
| 225 | + $has_named_text_color = array_key_exists( 'textColor', $attributes ); | |
| 226 | + $has_custom_text_color = array_key_exists( 'customTextColor', $attributes ); | |
| 227 | + $has_named_background_color = array_key_exists( 'backgroundColor', $attributes ); | |
| 228 | + $has_custom_background_color = array_key_exists( 'customBackgroundColor', $attributes ); | |
| 229 | + $has_named_gradient = array_key_exists( 'gradient', $attributes ); | |
| 230 | + $has_custom_gradient = array_key_exists( 'customGradient', $attributes ); | |
| 231 | + $has_border_radius = array_key_exists( 'borderRadius', $attributes ); | |
| 232 | + $has_font_size = array_key_exists( 'fontSize', $attributes ); | |
| 233 | + $has_named_border_color = array_key_exists( 'borderColor', $attributes ); | |
| 234 | + | |
| 235 | + if ( $has_font_size ) { | |
| 236 | + $classes[] = 'has-' . $attributes['fontSize'] . '-font-size'; | |
| 237 | + $classes[] = 'has-custom-font-size'; | |
| 238 | + } | |
| 239 | + | |
| 240 | + if ( $has_class_name ) { | |
| 241 | + $classes[] = $attributes['className']; | |
| 242 | + } | |
| 243 | + | |
| 244 | + if ( $has_named_text_color || $has_custom_text_color ) { | |
| 245 | + $classes[] = 'has-text-color'; | |
| 246 | + } | |
| 247 | + if ( $has_named_text_color ) { | |
| 248 | + $classes[] = sprintf( 'has-%s-color', $attributes['textColor'] ); | |
| 249 | + } | |
| 250 | + | |
| 251 | + if ( $has_named_border_color ) { | |
| 252 | + $classes[] = sprintf( 'has-%s-border-color', $attributes['borderColor'] ); | |
| 253 | + } | |
| 254 | + | |
| 255 | + if ( | |
| 256 | + $has_named_background_color || | |
| 257 | + $has_custom_background_color || | |
| 258 | + $has_named_gradient || | |
| 259 | + $has_custom_gradient | |
| 260 | + ) { | |
| 261 | + $classes[] = 'has-background'; | |
| 262 | + } | |
| 263 | + if ( $has_named_background_color && ! $has_custom_gradient ) { | |
| 264 | + $classes[] = sprintf( 'has-%s-background-color', $attributes['backgroundColor'] ); | |
| 265 | + } | |
| 266 | + if ( $has_named_gradient ) { | |
| 267 | + $classes[] = sprintf( 'has-%s-gradient-background', $attributes['gradient'] ); | |
| 268 | + } | |
| 269 | + | |
| 270 | + // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual | |
| 271 | + if ( $has_border_radius && 0 == $attributes['borderRadius'] ) { | |
| 272 | + $classes[] = 'no-border-radius'; | |
| 273 | + } | |
| 274 | + | |
| 275 | + return implode( ' ', $classes ); | |
| 276 | +} | |
| 277 | + | |
| 278 | +/** | |
| 279 | + * Get the Button block styles. | |
| 280 | + * | |
| 281 | + * @param array $attributes Array containing the block attributes. | |
| 282 | + * | |
| 283 | + * @return string | |
| 284 | + */ | |
| 285 | +function get_button_styles( $attributes ) { | |
| 286 | + $styles = array(); | |
| 287 | + $has_named_text_color = array_key_exists( 'textColor', $attributes ); | |
| 288 | + $has_custom_text_color = array_key_exists( 'customTextColor', $attributes ); | |
| 289 | + $has_named_background_color = array_key_exists( 'backgroundColor', $attributes ); | |
| 290 | + $has_custom_background_color = array_key_exists( 'customBackgroundColor', $attributes ); | |
| 291 | + $has_named_gradient = array_key_exists( 'gradient', $attributes ); | |
| 292 | + $has_custom_gradient = array_key_exists( 'customGradient', $attributes ); | |
| 293 | + $has_border_radius = array_key_exists( 'borderRadius', $attributes ); | |
| 294 | + $has_font_family = array_key_exists( 'fontFamily', $attributes ); | |
| 295 | + $has_typography_styles = array_key_exists( 'style', $attributes ) && array_key_exists( 'typography', $attributes['style'] ); | |
| 296 | + $has_custom_font_size = $has_typography_styles && array_key_exists( 'fontSize', $attributes['style']['typography'] ); | |
| 297 | + $has_custom_text_transform = $has_typography_styles && array_key_exists( 'textTransform', $attributes['style']['typography'] ); | |
| 298 | + $border_styles = array(); | |
| 299 | + $border_attribute = $attributes['style']['border'] ?? null; | |
| 300 | + $is_border_style_array = is_array( $border_attribute ); | |
| 301 | + | |
| 302 | + $has_custom_border_color = $is_border_style_array && isset( $border_attribute['color'] ); | |
| 303 | + $has_border_style = $is_border_style_array && isset( $border_attribute['style'] ); | |
| 304 | + $has_border_width = $is_border_style_array && isset( $border_attribute['width'] ); | |
| 305 | + $has_individual_borders = $is_border_style_array && ( | |
| 306 | + isset( $border_attribute['top'] ) || | |
| 307 | + isset( $border_attribute['right'] ) || | |
| 308 | + isset( $border_attribute['bottom'] ) || | |
| 309 | + isset( $border_attribute['left'] ) | |
| 310 | + ); | |
| 311 | + | |
| 312 | + if ( $has_font_family ) { | |
| 313 | + $styles[] = sprintf( 'font-family: %s;', $attributes['fontFamily'] ); | |
| 314 | + } | |
| 315 | + | |
| 316 | + if ( $has_custom_font_size ) { | |
| 317 | + $styles[] = sprintf( 'font-size: %s;', $attributes['style']['typography']['fontSize'] ); | |
| 318 | + } | |
| 319 | + | |
| 320 | + if ( $has_custom_text_transform ) { | |
| 321 | + $styles[] = sprintf( 'text-transform: %s;', $attributes['style']['typography']['textTransform'] ); | |
| 322 | + } | |
| 323 | + | |
| 324 | + if ( ! $has_named_text_color && $has_custom_text_color ) { | |
| 325 | + $styles[] = sprintf( 'color: %s;', $attributes['customTextColor'] ); | |
| 326 | + } | |
| 327 | + | |
| 328 | + if ( ! $has_named_background_color && ! $has_named_gradient && $has_custom_gradient ) { | |
| 329 | + $styles[] = sprintf( 'background: %s;', $attributes['customGradient'] ); | |
| 330 | + } | |
| 331 | + | |
| 332 | + if ( | |
| 333 | + $has_custom_background_color && | |
| 334 | + ! $has_named_background_color && | |
| 335 | + ! $has_named_gradient && | |
| 336 | + ! $has_custom_gradient | |
| 337 | + ) { | |
| 338 | + $styles[] = sprintf( 'background-color: %s;', $attributes['customBackgroundColor'] ); | |
| 339 | + } | |
| 340 | + | |
| 341 | + // phpcs:ignore Universal.Operators.StrictComparisons.LooseNotEqual | |
| 342 | + if ( $has_border_radius && 0 != $attributes['borderRadius'] ) { | |
| 343 | + $styles[] = sprintf( 'border-radius: %spx;', $attributes['borderRadius'] ); | |
| 344 | + } | |
| 345 | + | |
| 346 | + if ( $has_custom_border_color ) { | |
| 347 | + $border_styles['color'] = $attributes['style']['border']['color']; | |
| 348 | + } | |
| 349 | + | |
| 350 | + if ( $has_border_style ) { | |
| 351 | + $border_styles['style'] = $attributes['style']['border']['style']; | |
| 352 | + } | |
| 353 | + | |
| 354 | + if ( $has_border_width ) { | |
| 355 | + $border_styles['width'] = $attributes['style']['border']['width']; | |
| 356 | + } | |
| 357 | + | |
| 358 | + if ( $has_individual_borders ) { | |
| 359 | + foreach ( array( 'top', 'right', 'bottom', 'left' ) as $side ) { | |
| 360 | + $border = $attributes['style']['border'][ $side ] ?? null; | |
| 361 | + if ( is_array( $border ) ) { | |
| 362 | + $border_side_values = array( | |
| 363 | + 'width' => $border['width'] ?? null, | |
| 364 | + 'color' => $border['color'] ?? null, | |
| 365 | + 'style' => $border['style'] ?? null, | |
| 366 | + ); | |
| 367 | + $border_styles[ $side ] = $border_side_values; | |
| 368 | + } | |
| 369 | + } | |
| 370 | + } | |
| 371 | + | |
| 372 | + $border_styles = wp_style_engine_get_styles( array( 'border' => $border_styles ) ); | |
| 373 | + if ( isset( $border_styles['css'] ) ) { | |
| 374 | + $styles[] = $border_styles['css']; | |
| 375 | + } | |
| 376 | + | |
| 377 | + return implode( ' ', $styles ); | |
| 378 | +} | |
| 379 | + | |
| 380 | +/** | |
| 381 | + * Get the Button wrapper block styles. | |
| 382 | + * | |
| 383 | + * @param array $attributes Array containing the block attributes. | |
| 384 | + * | |
| 385 | + * @return string | |
| 386 | + */ | |
| 387 | +function get_button_wrapper_styles( $attributes ) { | |
| 388 | + $styles = array(); | |
| 389 | + $has_width = array_key_exists( 'width', $attributes ); | |
| 390 | + | |
| 391 | + if ( $has_width && ! empty( $attributes['width'] ) ) { | |
| 392 | + $styles[] = sprintf( 'width: %s;', $attributes['width'] ); | |
| 393 | + } | |
| 394 | + | |
| 395 | + return implode( ' ', $styles ); | |
| 396 | +} | |
| 397 | + | |
| 398 | +/** | |
| 399 | + * Get filtered attributes. | |
| 400 | + * | |
| 401 | + * @param array $attributes Array containing the Button block attributes. | |
| 402 | + * @param string $attribute_name String containing the attribute name to get. | |
| 403 | + * | |
| 404 | + * @return string | |
| 405 | + */ | |
| 406 | +function get_attribute( $attributes, $attribute_name ) { | |
| 407 | + if ( isset( $attributes[ $attribute_name ] ) ) { | |
| 408 | + return $attributes[ $attribute_name ]; | |
| 409 | + } | |
| 410 | + | |
| 411 | + $default_attributes = array( | |
| 412 | + 'url' => '#', | |
| 413 | + 'element' => 'a', | |
| 414 | + 'saveInPostContent' => false, | |
| 415 | + ); | |
| 416 | + | |
| 417 | + if ( 'element' === $attribute_name ) { | |
| 418 | + /** | |
| 419 | + * Filter the HTML element the Button block falls back to when the block itself | |
| 420 | + * does not specify one. | |
| 421 | + * | |
| 422 | + * Jetpack Forms uses this to default its submit button to `button` while a form | |
| 423 | + * renders, since an `a` inside a form can never submit it. | |
| 424 | + * | |
| 425 | + * Values outside 'a', 'button' and 'input' are ignored by the render callback. | |
| 426 | + * | |
| 427 | + * @since 16.2 | |
| 428 | + * | |
| 429 | + * @param string $element The default element. One of 'a', 'button', or 'input'. | |
| 430 | + */ | |
| 431 | + return apply_filters( 'jetpack_button_default_element', $default_attributes['element'] ); | |
| 432 | + } | |
| 433 | + | |
| 434 | + if ( isset( $default_attributes[ $attribute_name ] ) ) { | |
| 435 | + return $default_attributes[ $attribute_name ]; | |
| 436 | + } | |
| 437 | +} | |
| 438 | + | |
| 439 | +/** | |
| 440 | + * Enqueue style for an existing block. | |
| 441 | + * | |
| 442 | + * The Jetpack Button block depends on styles from the core button block. | |
| 443 | + * In case that block is not already within the post content, we can use | |
| 444 | + * this function to ensure the block's style assets are enqueued. | |
| 445 | + * | |
| 446 | + * @param string $block_name Block type name including namespace. | |
| 447 | + */ | |
| 448 | +function enqueue_existing_button_style_dependency( $block_name ) { | |
| 449 | + $existing_block = \WP_Block_Type_Registry::get_instance()->get_registered( $block_name ); | |
| 450 | + if ( isset( $existing_block ) && ! empty( $existing_block->style ) ) { | |
| 451 | + wp_enqueue_style( $existing_block->style ); | |
| 452 | + } | |
| 453 | +} | |
