| 1 |
<?php |
| 2 |
/** |
| 3 |
* Block and style registration functions. |
| 4 |
* |
| 5 |
* @package gutenberg |
| 6 |
*/ |
| 7 |
|
| 8 |
/** |
| 9 |
* Substitutes the implementation of a core-registered block type, if exists, |
| 10 |
* with the built result from the plugin. |
| 11 |
*/ |
| 12 |
function gutenberg_reregister_core_block_types() { |
| 13 |
// Blocks directory may not exist if working from a fresh clone. |
| 14 |
$blocks_dir = dirname( __FILE__ ) . '/../build/block-library/blocks/'; |
| 15 |
if ( ! file_exists( $blocks_dir ) ) { |
| 16 |
return; |
| 17 |
} |
| 18 |
|
| 19 |
$block_folders = array( |
| 20 |
'audio', |
| 21 |
'button', |
| 22 |
'buttons', |
| 23 |
'classic', |
| 24 |
'code', |
| 25 |
'column', |
| 26 |
'columns', |
| 27 |
'file', |
| 28 |
'gallery', |
| 29 |
'group', |
| 30 |
'heading', |
| 31 |
'html', |
| 32 |
'image', |
| 33 |
'list', |
| 34 |
'media-text', |
| 35 |
'missing', |
| 36 |
'more', |
| 37 |
'navigation-link', |
| 38 |
'nextpage', |
| 39 |
'paragraph', |
| 40 |
'preformatted', |
| 41 |
'pullquote', |
| 42 |
'quote', |
| 43 |
'separator', |
| 44 |
'social-links', |
| 45 |
'spacer', |
| 46 |
'subhead', |
| 47 |
'table', |
| 48 |
'text-columns', |
| 49 |
'verse', |
| 50 |
'video', |
| 51 |
'widget-area', |
| 52 |
); |
| 53 |
|
| 54 |
$block_names = array( |
| 55 |
'archives.php' => 'core/archives', |
| 56 |
'block.php' => 'core/block', |
| 57 |
'calendar.php' => 'core/calendar', |
| 58 |
'categories.php' => 'core/categories', |
| 59 |
'cover.php' => 'core/cover', |
| 60 |
'latest-comments.php' => 'core/latest-comments', |
| 61 |
'latest-posts.php' => 'core/latest-posts', |
| 62 |
'legacy-widget.php' => 'core/legacy-widget', |
| 63 |
'navigation.php' => 'core/navigation', |
| 64 |
'navigation-link.php' => 'core/navigation-link', |
| 65 |
'rss.php' => 'core/rss', |
| 66 |
'search.php' => 'core/search', |
| 67 |
'shortcode.php' => 'core/shortcode', |
| 68 |
'social-link.php' => 'core/social-link', |
| 69 |
'tag-cloud.php' => 'core/tag-cloud', |
| 70 |
); |
| 71 |
|
| 72 |
if ( gutenberg_is_experiment_enabled( 'gutenberg-full-site-editing' ) ) { |
| 73 |
$block_names = array_merge( |
| 74 |
$block_names, |
| 75 |
array( |
| 76 |
'post-author.php' => 'core/post-author', |
| 77 |
'post-comments.php' => 'core/post-comments', |
| 78 |
'post-comments-count.php' => 'core/post-comments-count', |
| 79 |
'post-comments-form.php' => 'core/post-comments-form', |
| 80 |
'post-content.php' => 'core/post-content', |
| 81 |
'post-date.php' => 'core/post-date', |
| 82 |
'post-excerpt.php' => 'core/post-excerpt', |
| 83 |
'post-featured-image.php' => 'core/post-featured-image', |
| 84 |
'post-tags.php' => 'core/post-tags', |
| 85 |
'post-title.php' => 'core/post-title', |
| 86 |
'query.php' => 'core/query', |
| 87 |
'query-loop.php' => 'core/query-loop', |
| 88 |
'query-pagination.php' => 'core/query-pagination', |
| 89 |
'site-logo.php' => 'core/site-logo', |
| 90 |
'site-tagline.php' => 'core/site-tagline', |
| 91 |
'site-title.php' => 'core/site-title', |
| 92 |
'template-part.php' => 'core/template-part', |
| 93 |
) |
| 94 |
); |
| 95 |
} |
| 96 |
|
| 97 |
$registry = WP_Block_Type_Registry::get_instance(); |
| 98 |
|
| 99 |
foreach ( $block_folders as $folder_name ) { |
| 100 |
$block_json_file = $blocks_dir . '/' . $folder_name . '/block.json'; |
| 101 |
if ( ! file_exists( $block_json_file ) ) { |
| 102 |
return; |
| 103 |
} |
| 104 |
|
| 105 |
// Ideally, all paths to block metadata files should be listed in |
| 106 |
// WordPress core. In this place we should rather use filter |
| 107 |
// to replace paths with overrides defined by the plugin. |
| 108 |
$metadata = json_decode( file_get_contents( $block_json_file ), true ); |
| 109 |
if ( ! is_array( $metadata ) || ! $metadata['name'] ) { |
| 110 |
return false; |
| 111 |
} |
| 112 |
|
| 113 |
if ( $registry->is_registered( $metadata['name'] ) ) { |
| 114 |
$registry->unregister( $metadata['name'] ); |
| 115 |
} |
| 116 |
|
| 117 |
register_block_type_from_metadata( $block_json_file ); |
| 118 |
} |
| 119 |
|
| 120 |
foreach ( $block_names as $file => $block_names ) { |
| 121 |
if ( ! file_exists( $blocks_dir . $file ) ) { |
| 122 |
return; |
| 123 |
} |
| 124 |
|
| 125 |
if ( is_string( $block_names ) ) { |
| 126 |
if ( $registry->is_registered( $block_names ) ) { |
| 127 |
$registry->unregister( $block_names ); |
| 128 |
} |
| 129 |
} elseif ( is_array( $block_names ) ) { |
| 130 |
foreach ( $block_names as $block_name ) { |
| 131 |
if ( $registry->is_registered( $block_name ) ) { |
| 132 |
$registry->unregister( $block_name ); |
| 133 |
} |
| 134 |
} |
| 135 |
} |
| 136 |
|
| 137 |
require $blocks_dir . $file; |
| 138 |
} |
| 139 |
} |
| 140 |
add_action( 'init', 'gutenberg_reregister_core_block_types' ); |
| 141 |
|
| 142 |
/** |
| 143 |
* Complements the implementation of block type `core/social-icon`, whether it |
| 144 |
* be provided by core or the plugin, with derived block types for each |
| 145 |
* "service" (WordPress, Twitter, etc.) supported by Social Links. |
| 146 |
* |
| 147 |
* This ensures backwards compatibility for any users running the Gutenberg |
| 148 |
* plugin who have used Social Links prior to their conversion to block |
| 149 |
* variations. |
| 150 |
* |
| 151 |
* This shim is INTENTIONALLY left out of core, as Social Links haven't yet |
| 152 |
* landed there. |
| 153 |
* |
| 154 |
* @see https://github.com/WordPress/gutenberg/pull/19887 |
| 155 |
*/ |
| 156 |
function gutenberg_register_legacy_social_link_blocks() { |
| 157 |
$services = array( |
| 158 |
'amazon', |
| 159 |
'bandcamp', |
| 160 |
'behance', |
| 161 |
'chain', |
| 162 |
'codepen', |
| 163 |
'deviantart', |
| 164 |
'dribbble', |
| 165 |
'dropbox', |
| 166 |
'etsy', |
| 167 |
'facebook', |
| 168 |
'feed', |
| 169 |
'fivehundredpx', |
| 170 |
'flickr', |
| 171 |
'foursquare', |
| 172 |
'goodreads', |
| 173 |
'google', |
| 174 |
'github', |
| 175 |
'instagram', |
| 176 |
'lastfm', |
| 177 |
'linkedin', |
| 178 |
'mail', |
| 179 |
'mastodon', |
| 180 |
'meetup', |
| 181 |
'medium', |
| 182 |
'pinterest', |
| 183 |
'pocket', |
| 184 |
'reddit', |
| 185 |
'skype', |
| 186 |
'snapchat', |
| 187 |
'soundcloud', |
| 188 |
'spotify', |
| 189 |
'tumblr', |
| 190 |
'twitch', |
| 191 |
'twitter', |
| 192 |
'vimeo', |
| 193 |
'vk', |
| 194 |
'wordpress', |
| 195 |
'yelp', |
| 196 |
'youtube', |
| 197 |
); |
| 198 |
|
| 199 |
foreach ( $services as $service ) { |
| 200 |
register_block_type( |
| 201 |
'core/social-link-' . $service, |
| 202 |
array( |
| 203 |
'category' => 'widgets', |
| 204 |
'attributes' => array( |
| 205 |
'url' => array( |
| 206 |
'type' => 'string', |
| 207 |
), |
| 208 |
'service' => array( |
| 209 |
'type' => 'string', |
| 210 |
'default' => $service, |
| 211 |
), |
| 212 |
'label' => array( |
| 213 |
'type' => 'string', |
| 214 |
), |
| 215 |
), |
| 216 |
'render_callback' => 'gutenberg_render_block_core_social_link', |
| 217 |
) |
| 218 |
); |
| 219 |
} |
| 220 |
} |
| 221 |
add_action( 'init', 'gutenberg_register_legacy_social_link_blocks' ); |
| 222 |
|
| 223 |
/** |
| 224 |
* Renders the classNames and styles for blocks |
| 225 |
* |
| 226 |
* @param string $block_content Output of the current block. |
| 227 |
* @param array $block Block Object. |
| 228 |
* @return string New block output. |
| 229 |
*/ |
| 230 |
function gutenberg_experimental_apply_classnames_and_styles( $block_content, $block ) { |
| 231 |
if ( ! isset( $block['attrs'] ) ) { |
| 232 |
return $block_content; |
| 233 |
} |
| 234 |
|
| 235 |
$block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block['blockName'] ); |
| 236 |
// If no render_callback, assume styles have been previously handled. |
| 237 |
if ( ! $block_type || ! $block_type->render_callback ) { |
| 238 |
return $block_content; |
| 239 |
} |
| 240 |
// Check what style features the block supports. |
| 241 |
$supports = gutenberg_experimental_global_styles_get_supported_styles( $block_type->supports ); |
| 242 |
|
| 243 |
$attributes = array(); |
| 244 |
$attributes = gutenberg_experimental_build_css_colors( $attributes, $block['attrs'], $supports ); |
| 245 |
$attributes = gutenberg_experimental_build_css_typography( $attributes, $block['attrs'], $supports ); |
| 246 |
|
| 247 |
if ( ! count( $attributes ) ) { |
| 248 |
return $block_content; |
| 249 |
} |
| 250 |
|
| 251 |
$dom = new DOMDocument( '1.0', 'utf-8' ); |
| 252 |
|
| 253 |
// Suppress warnings from this method from polluting the front-end. |
| 254 |
// @codingStandardsIgnoreStart |
| 255 |
if ( ! @$dom->loadHTML( $block_content, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD | LIBXML_COMPACT ) ) { |
| 256 |
// @codingStandardsIgnoreEnd |
| 257 |
return $block_content; |
| 258 |
} |
| 259 |
|
| 260 |
$xpath = new DOMXPath( $dom ); |
| 261 |
$block_root = $xpath->query( '/*' )[0]; |
| 262 |
|
| 263 |
if ( empty( $block_root ) ) { |
| 264 |
return $block_content; |
| 265 |
} |
| 266 |
|
| 267 |
// Some inline styles may be added without ending ';', add this if necessary. |
| 268 |
$current_styles = trim( $block_root->getAttribute( 'style' ), ' ' ); |
| 269 |
if ( strlen( $current_styles ) > 0 && substr( $current_styles, -1 ) !== ';' ) { |
| 270 |
$current_styles = $current_styles . ';'; |
| 271 |
}; |
| 272 |
|
| 273 |
// Merge and dedupe new and existing classes and styles. |
| 274 |
$classes_to_add = esc_attr( implode( ' ', array_key_exists( 'css_classes', $attributes ) ? $attributes['css_classes'] : array() ) ); |
| 275 |
$styles_to_add = esc_attr( implode( ' ', array_key_exists( 'inline_styles', $attributes ) ? $attributes['inline_styles'] : array() ) ); |
| 276 |
$new_classes = implode( ' ', array_unique( explode( ' ', ltrim( $block_root->getAttribute( 'class' ) . ' ' ) . $classes_to_add ) ) ); |
| 277 |
$new_styles = implode( ' ', array_unique( explode( ' ', $current_styles . ' ' . $styles_to_add ) ) ); |
| 278 |
|
| 279 |
// Apply new styles and classes. |
| 280 |
if ( ! empty( $new_classes ) ) { |
| 281 |
$block_root->setAttribute( 'class', $new_classes ); |
| 282 |
} |
| 283 |
|
| 284 |
if ( ! empty( $new_styles ) ) { |
| 285 |
$block_root->setAttribute( 'style', $new_styles ); |
| 286 |
} |
| 287 |
|
| 288 |
return $dom->saveHtml(); |
| 289 |
} |
| 290 |
add_filter( 'render_block', 'gutenberg_experimental_apply_classnames_and_styles', 10, 2 ); |
| 291 |
|
| 292 |
/** |
| 293 |
* Build an array with CSS classes and inline styles defining the colors |
| 294 |
* which will be applied to the block markup in the front-end. |
| 295 |
* |
| 296 |
* @param array $attributes comprehensive list of attributes to be applied. |
| 297 |
* @param array $block_attributes block attributes. |
| 298 |
* @param array $supports style features the block attributes. |
| 299 |
* @return array Colors CSS classes and inline styles. |
| 300 |
*/ |
| 301 |
function gutenberg_experimental_build_css_colors( $attributes, $block_attributes, $supports ) { |
| 302 |
// Text Colors. |
| 303 |
// Check support for text colors. |
| 304 |
if ( in_array( 'color', $supports, true ) ) { |
| 305 |
$has_named_text_color = array_key_exists( 'textColor', $block_attributes ); |
| 306 |
$has_custom_text_color = isset( $block_attributes['style']['color']['text'] ); |
| 307 |
|
| 308 |
// Apply required generic class. |
| 309 |
if ( $has_custom_text_color || $has_named_text_color ) { |
| 310 |
$attributes['css_classes'][] = 'has-text-color'; |
| 311 |
} |
| 312 |
// Apply color class or inline style. |
| 313 |
if ( $has_named_text_color ) { |
| 314 |
$attributes['css_classes'][] = sprintf( 'has-%s-color', $block_attributes['textColor'] ); |
| 315 |
} elseif ( $has_custom_text_color ) { |
| 316 |
$attributes['inline_styles'][] = sprintf( 'color: %s;', $block_attributes['style']['color']['text'] ); |
| 317 |
} |
| 318 |
} |
| 319 |
|
| 320 |
// Link Colors. |
| 321 |
if ( in_array( 'link-color', $supports, true ) ) { |
| 322 |
$has_link_color = isset( $block_attributes['style']['color']['link'] ); |
| 323 |
// Apply required class and style. |
| 324 |
if ( $has_link_color ) { |
| 325 |
$attributes['css_classes'][] = 'has-link-color'; |
| 326 |
// If link is a named color. |
| 327 |
if ( strpos( $block_attributes['style']['color']['link'], 'var:preset|color|' ) !== false ) { |
| 328 |
// Get the name from the string and add proper styles. |
| 329 |
$index_to_splice = strrpos( $block_attributes['style']['color']['link'], '|' ) + 1; |
| 330 |
$link_color_name = substr( $block_attributes['style']['color']['link'], $index_to_splice ); |
| 331 |
$attributes['inline_styles'][] = sprintf( '--wp--style--color--link:var(--wp--preset--color--%s);', $link_color_name ); |
| 332 |
} else { |
| 333 |
$attributes['inline_styles'][] = sprintf( '--wp--style--color--link: %s;', $block_attributes['style']['color']['link'] ); |
| 334 |
} |
| 335 |
} |
| 336 |
} |
| 337 |
|
| 338 |
// Background Colors. |
| 339 |
if ( in_array( 'background-color', $supports, true ) ) { |
| 340 |
$has_named_background_color = array_key_exists( 'backgroundColor', $block_attributes ); |
| 341 |
$has_custom_background_color = isset( $block_attributes['style']['color']['background'] ); |
| 342 |
|
| 343 |
// Apply required background class. |
| 344 |
if ( $has_custom_background_color || $has_named_background_color ) { |
| 345 |
$attributes['css_classes'][] = 'has-background'; |
| 346 |
} |
| 347 |
// Apply background color classes or styles. |
| 348 |
if ( $has_named_background_color ) { |
| 349 |
$attributes['css_classes'][] = sprintf( 'has-%s-background-color', $block_attributes['backgroundColor'] ); |
| 350 |
} elseif ( $has_custom_background_color ) { |
| 351 |
$attributes['inline_styles'][] = sprintf( 'background-color: %s;', $block_attributes['style']['color']['background'] ); |
| 352 |
} |
| 353 |
} |
| 354 |
|
| 355 |
// Gradients. |
| 356 |
if ( in_array( 'background', $supports, true ) ) { |
| 357 |
$has_named_gradient = array_key_exists( 'gradient', $block_attributes ); |
| 358 |
$has_custom_gradient = isset( $block_attributes['style']['color']['gradient'] ); |
| 359 |
|
| 360 |
if ( $has_named_gradient || $has_custom_gradient ) { |
| 361 |
$attributes['css_classes'][] = 'has-background'; |
| 362 |
} |
| 363 |
// Apply required background class. |
| 364 |
if ( $has_named_gradient ) { |
| 365 |
$attributes['css_classes'][] = sprintf( 'has-%s-gradient-background', $block_attributes['gradient'] ); |
| 366 |
} elseif ( $has_custom_gradient ) { |
| 367 |
$attributes['inline_styles'][] = sprintf( 'background: %s;', $block_attributes['style']['color']['gradient'] ); |
| 368 |
} |
| 369 |
} |
| 370 |
|
| 371 |
return $attributes; |
| 372 |
} |
| 373 |
|
| 374 |
/** |
| 375 |
* Build an array with CSS classes and inline styles defining the font sizes |
| 376 |
* which will be applied to the block markup in the front-end. |
| 377 |
* |
| 378 |
* @param array $attributes comprehensive list of attributes to be applied. |
| 379 |
* @param array $block_attributes block attributes. |
| 380 |
* @param array $supports style features the block attributes. |
| 381 |
* @return array Font size CSS classes and inline styles. |
| 382 |
*/ |
| 383 |
function gutenberg_experimental_build_css_typography( $attributes, $block_attributes, $supports ) { |
| 384 |
// Font Size. |
| 385 |
if ( in_array( 'font-size', $supports, true ) ) { |
| 386 |
$has_named_font_size = array_key_exists( 'fontSize', $block_attributes ); |
| 387 |
$has_custom_font_size = isset( $block_attributes['style']['typography']['fontSize'] ); |
| 388 |
|
| 389 |
// Apply required class or style. |
| 390 |
if ( $has_named_font_size ) { |
| 391 |
$attributes['css_classes'][] = sprintf( 'has-%s-font-size', $block_attributes['fontSize'] ); |
| 392 |
} elseif ( $has_custom_font_size ) { |
| 393 |
$attributes['inline_styles'][] = sprintf( 'font-size: %spx;', $block_attributes['style']['typography']['fontSize'] ); |
| 394 |
} |
| 395 |
} |
| 396 |
|
| 397 |
// Line Height. |
| 398 |
if ( in_array( 'line-height', $supports, true ) ) { |
| 399 |
$has_line_height = isset( $block_attributes['style']['typography']['lineHeight'] ); |
| 400 |
// Add the style (no classes for line-height). |
| 401 |
if ( $has_line_height ) { |
| 402 |
$attributes['inline_styles'][] = sprintf( 'line-height: %s;', $block_attributes['style']['typography']['lineHeight'] ); |
| 403 |
} |
| 404 |
} |
| 405 |
|
| 406 |
return $attributes; |
| 407 |
} |
| 408 |
|
