| 1 |
<?php |
| 2 |
/** |
| 3 |
* Block functions specific for the Gutenberg editor plugin. |
| 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_dirs = array( |
| 15 |
__DIR__ . '/../build/block-library/blocks/' => array( |
| 16 |
'block_folders' => array( |
| 17 |
'audio', |
| 18 |
'button', |
| 19 |
'buttons', |
| 20 |
'freeform', |
| 21 |
'code', |
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'column', |
| 23 |
'columns', |
| 24 |
'details', |
| 25 |
'form-input', |
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'form-submit-button', |
| 27 |
'group', |
| 28 |
'html', |
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'list-item', |
| 30 |
'missing', |
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'more', |
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'nextpage', |
| 33 |
'paragraph', |
| 34 |
'preformatted', |
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'pullquote', |
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'quote', |
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'separator', |
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'social-links', |
| 39 |
'spacer', |
| 40 |
'table', |
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'table-of-contents', |
| 42 |
'text-columns', |
| 43 |
'verse', |
| 44 |
'video', |
| 45 |
'embed', |
| 46 |
), |
| 47 |
'block_names' => array( |
| 48 |
'archives.php' => 'core/archives', |
| 49 |
'avatar.php' => 'core/avatar', |
| 50 |
'block.php' => 'core/block', |
| 51 |
'button.php' => 'core/button', |
| 52 |
'calendar.php' => 'core/calendar', |
| 53 |
'categories.php' => 'core/categories', |
| 54 |
'cover.php' => 'core/cover', |
| 55 |
'comment-author-avatar.php' => 'core/comment-author-avatar', |
| 56 |
'comment-author-name.php' => 'core/comment-author-name', |
| 57 |
'comment-content.php' => 'core/comment-content', |
| 58 |
'comment-date.php' => 'core/comment-date', |
| 59 |
'comment-edit-link.php' => 'core/comment-edit-link', |
| 60 |
'comment-reply-link.php' => 'core/comment-reply-link', |
| 61 |
'comment-template.php' => 'core/comment-template', |
| 62 |
'comments-pagination.php' => 'core/comments-pagination', |
| 63 |
'comments-pagination-next.php' => 'core/comments-pagination-next', |
| 64 |
'comments-pagination-numbers.php' => 'core/comments-pagination-numbers', |
| 65 |
'comments-pagination-previous.php' => 'core/comments-pagination-previous', |
| 66 |
'comments-title.php' => 'core/comments-title', |
| 67 |
'comments.php' => 'core/comments', |
| 68 |
'footnotes.php' => 'core/footnotes', |
| 69 |
'file.php' => 'core/file', |
| 70 |
'form.php' => 'core/form', |
| 71 |
'form-input.php' => 'core/form-input', |
| 72 |
'form-submission-notification.php' => 'core/form-submission-notification', |
| 73 |
'home-link.php' => 'core/home-link', |
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'image.php' => 'core/image', |
| 75 |
'gallery.php' => 'core/gallery', |
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'heading.php' => 'core/heading', |
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'latest-comments.php' => 'core/latest-comments', |
| 78 |
'latest-posts.php' => 'core/latest-posts', |
| 79 |
'list.php' => 'core/list', |
| 80 |
'loginout.php' => 'core/loginout', |
| 81 |
'media-text.php' => 'core/media-text', |
| 82 |
'navigation.php' => 'core/navigation', |
| 83 |
'navigation-link.php' => 'core/navigation-link', |
| 84 |
'navigation-submenu.php' => 'core/navigation-submenu', |
| 85 |
'page-list.php' => 'core/page-list', |
| 86 |
'page-list-item.php' => 'core/page-list-item', |
| 87 |
'pattern.php' => 'core/pattern', |
| 88 |
'post-author.php' => 'core/post-author', |
| 89 |
'post-author-name.php' => 'core/post-author-name', |
| 90 |
'post-author-biography.php' => 'core/post-author-biography', |
| 91 |
'post-comment.php' => 'core/post-comment', |
| 92 |
'post-comments-count.php' => 'core/post-comments-count', |
| 93 |
'post-comments-form.php' => 'core/post-comments-form', |
| 94 |
'post-comments-link.php' => 'core/post-comments-link', |
| 95 |
'post-content.php' => 'core/post-content', |
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'post-date.php' => 'core/post-date', |
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'post-excerpt.php' => 'core/post-excerpt', |
| 98 |
'post-featured-image.php' => 'core/post-featured-image', |
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'post-navigation-link.php' => 'core/post-navigation-link', |
| 100 |
'post-terms.php' => 'core/post-terms', |
| 101 |
'post-time-to-read.php' => 'core/post-time-to-read', |
| 102 |
'post-title.php' => 'core/post-title', |
| 103 |
'query.php' => 'core/query', |
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'post-template.php' => 'core/post-template', |
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'query-no-results.php' => 'core/query-no-results', |
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'query-pagination.php' => 'core/query-pagination', |
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'query-pagination-next.php' => 'core/query-pagination-next', |
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'query-pagination-numbers.php' => 'core/query-pagination-numbers', |
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'query-pagination-previous.php' => 'core/query-pagination-previous', |
| 110 |
'query-title.php' => 'core/query-title', |
| 111 |
'read-more.php' => 'core/read-more', |
| 112 |
'rss.php' => 'core/rss', |
| 113 |
'search.php' => 'core/search', |
| 114 |
'shortcode.php' => 'core/shortcode', |
| 115 |
'social-link.php' => 'core/social-link', |
| 116 |
'site-logo.php' => 'core/site-logo', |
| 117 |
'site-tagline.php' => 'core/site-tagline', |
| 118 |
'site-title.php' => 'core/site-title', |
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'tag-cloud.php' => 'core/tag-cloud', |
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'template-part.php' => 'core/template-part', |
| 121 |
'term-description.php' => 'core/term-description', |
| 122 |
), |
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), |
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__DIR__ . '/../build/edit-widgets/blocks/' => array( |
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'block_folders' => array( |
| 126 |
'widget-area', |
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), |
| 128 |
'block_names' => array(), |
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), |
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__DIR__ . '/../build/widgets/blocks/' => array( |
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'block_folders' => array( |
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'legacy-widget', |
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'widget-group', |
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), |
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'block_names' => array( |
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'legacy-widget.php' => 'core/legacy-widget', |
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'widget-group.php' => 'core/widget-group', |
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), |
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), |
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); |
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foreach ( $blocks_dirs as $blocks_dir => $details ) { |
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$block_folders = $details['block_folders']; |
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$block_names = $details['block_names']; |
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|
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foreach ( $block_folders as $folder_name ) { |
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$block_json_file = $blocks_dir . $folder_name . '/block.json'; |
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|
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// Ideally, all paths to block metadata files should be listed in |
| 149 |
// WordPress core. In this place we should rather use filter |
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// to replace paths with overrides defined by the plugin. |
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$metadata = json_decode( file_get_contents( $block_json_file ), true ); |
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if ( ! is_array( $metadata ) || ! $metadata['name'] ) { |
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continue; |
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} |
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|
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gutenberg_deregister_core_block_and_assets( $metadata['name'] ); |
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gutenberg_register_core_block_assets( $folder_name ); |
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register_block_type_from_metadata( $block_json_file ); |
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} |
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|
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foreach ( $block_names as $file => $sub_block_names ) { |
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if ( ! file_exists( $blocks_dir . $file ) ) { |
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continue; |
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} |
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|
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$sub_block_names_normalized = is_string( $sub_block_names ) ? array( $sub_block_names ) : $sub_block_names; |
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foreach ( $sub_block_names_normalized as $block_name ) { |
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gutenberg_deregister_core_block_and_assets( $block_name ); |
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gutenberg_register_core_block_assets( $block_name ); |
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} |
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|
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require_once $blocks_dir . $file; |
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} |
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} |
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} |
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|
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add_action( 'init', 'gutenberg_reregister_core_block_types' ); |
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|
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/** |
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* Adds the defer loading strategy to all registered blocks. |
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* |
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* This function would not be part of core merge. Instead, the register_block_script_handle() function would be patched |
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* as follows. |
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* |
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* ``` |
| 186 |
* --- a/wp-includes/blocks.php |
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* +++ b/wp-includes/blocks.php |
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* @ @ -153,7 +153,8 @ @ function register_block_script_handle( $metadata, $field_name, $index = 0 ) { |
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* $script_handle, |
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* $script_uri, |
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* $script_dependencies, |
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* - isset( $script_asset['version'] ) ? $script_asset['version'] : false |
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* + isset( $script_asset['version'] ) ? $script_asset['version'] : false, |
| 194 |
* + array( 'strategy' => 'defer' ) |
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* ); |
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* if ( ! $result ) { |
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* return false; |
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* ``` |
| 199 |
* |
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* @see register_block_script_handle() |
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*/ |
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function gutenberg_defer_block_view_scripts() { |
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$block_types = WP_Block_Type_Registry::get_instance()->get_all_registered(); |
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foreach ( $block_types as $block_type ) { |
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foreach ( $block_type->view_script_handles as $view_script_handle ) { |
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wp_script_add_data( $view_script_handle, 'strategy', 'defer' ); |
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} |
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} |
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} |
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|
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add_action( 'init', 'gutenberg_defer_block_view_scripts', 100 ); |
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|
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/** |
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* Deregisters the existing core block type and its assets. |
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* |
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* @param string $block_name The name of the block. |
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* |
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* @return void |
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*/ |
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function gutenberg_deregister_core_block_and_assets( $block_name ) { |
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$registry = WP_Block_Type_Registry::get_instance(); |
| 222 |
if ( $registry->is_registered( $block_name ) ) { |
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$block_type = $registry->get_registered( $block_name ); |
| 224 |
if ( ! empty( $block_type->view_script_handles ) ) { |
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foreach ( $block_type->view_script_handles as $view_script_handle ) { |
| 226 |
if ( str_starts_with( $view_script_handle, 'wp-block-' ) ) { |
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wp_deregister_script( $view_script_handle ); |
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} |
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} |
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} |
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$registry->unregister( $block_name ); |
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} |
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} |
| 234 |
|
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/** |
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* Registers block styles for a core block. |
| 237 |
* |
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* @param string $block_name The block-name. |
| 239 |
* |
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* @return void |
| 241 |
*/ |
| 242 |
function gutenberg_register_core_block_assets( $block_name ) { |
| 243 |
if ( ! wp_should_load_separate_core_block_assets() ) { |
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return; |
| 245 |
} |
| 246 |
|
| 247 |
$block_name = str_replace( 'core/', '', $block_name ); |
| 248 |
|
| 249 |
// When in production, use the plugin's version as the default asset version; |
| 250 |
// else (for development or test) default to use the current time. |
| 251 |
$default_version = defined( 'GUTENBERG_VERSION' ) && ! SCRIPT_DEBUG ? GUTENBERG_VERSION : time(); |
| 252 |
|
| 253 |
$style_path = "build/block-library/blocks/$block_name/"; |
| 254 |
$stylesheet_url = gutenberg_url( $style_path . 'style.css' ); |
| 255 |
$stylesheet_path = gutenberg_dir_path() . $style_path . ( is_rtl() ? 'style-rtl.css' : 'style.css' ); |
| 256 |
|
| 257 |
if ( file_exists( $stylesheet_path ) ) { |
| 258 |
wp_deregister_style( "wp-block-{$block_name}" ); |
| 259 |
wp_register_style( |
| 260 |
"wp-block-{$block_name}", |
| 261 |
$stylesheet_url, |
| 262 |
array(), |
| 263 |
$default_version |
| 264 |
); |
| 265 |
wp_style_add_data( "wp-block-{$block_name}", 'rtl', 'replace' ); |
| 266 |
|
| 267 |
// Add a reference to the stylesheet's path to allow calculations for inlining styles in `wp_head`. |
| 268 |
wp_style_add_data( "wp-block-{$block_name}", 'path', $stylesheet_path ); |
| 269 |
} else { |
| 270 |
wp_register_style( "wp-block-{$block_name}", false, array() ); |
| 271 |
} |
| 272 |
|
| 273 |
/* |
| 274 |
* If the current theme supports wp-block-styles, dequeue the core styles |
| 275 |
* and enqueue the plugin ones instead. |
| 276 |
*/ |
| 277 |
if ( current_theme_supports( 'wp-block-styles' ) ) { |
| 278 |
|
| 279 |
// Get the path to the block's stylesheet. |
| 280 |
$theme_style_path = is_rtl() |
| 281 |
? "build/block-library/blocks/$block_name/theme-rtl.css" |
| 282 |
: "build/block-library/blocks/$block_name/theme.css"; |
| 283 |
|
| 284 |
// If the file exists, enqueue it. |
| 285 |
if ( file_exists( gutenberg_dir_path() . $theme_style_path ) ) { |
| 286 |
wp_deregister_style( "wp-block-{$block_name}-theme" ); |
| 287 |
wp_register_style( |
| 288 |
"wp-block-{$block_name}-theme", |
| 289 |
gutenberg_url( $theme_style_path ), |
| 290 |
array(), |
| 291 |
$default_version |
| 292 |
); |
| 293 |
wp_style_add_data( "wp-block-{$block_name}-theme", 'path', gutenberg_dir_path() . $theme_style_path ); |
| 294 |
} |
| 295 |
} |
| 296 |
|
| 297 |
$editor_style_path = "build/block-library/blocks/$block_name/style-editor.css"; |
| 298 |
if ( file_exists( gutenberg_dir_path() . $editor_style_path ) ) { |
| 299 |
wp_deregister_style( "wp-block-{$block_name}-editor" ); |
| 300 |
wp_register_style( |
| 301 |
"wp-block-{$block_name}-editor", |
| 302 |
gutenberg_url( $editor_style_path ), |
| 303 |
array(), |
| 304 |
$default_version |
| 305 |
); |
| 306 |
wp_style_add_data( "wp-block-{$block_name}-editor", 'rtl', 'replace' ); |
| 307 |
} else { |
| 308 |
wp_register_style( "wp-block-{$block_name}-editor", false ); |
| 309 |
} |
| 310 |
} |
| 311 |
|
| 312 |
/** |
| 313 |
* Complements the implementation of block type `core/social-icon`, whether it |
| 314 |
* be provided by core or the plugin, with derived block types for each |
| 315 |
* "service" (WordPress, Twitter, etc.) supported by Social Links. |
| 316 |
* |
| 317 |
* This ensures backwards compatibility for any users running the Gutenberg |
| 318 |
* plugin who have used Social Links prior to their conversion to block |
| 319 |
* variations. |
| 320 |
* |
| 321 |
* This shim is INTENTIONALLY left out of core, as Social Links have never |
| 322 |
* landed there. |
| 323 |
* |
| 324 |
* @see https://github.com/WordPress/gutenberg/pull/19887 |
| 325 |
*/ |
| 326 |
function gutenberg_register_legacy_social_link_blocks() { |
| 327 |
$services = array( |
| 328 |
'amazon', |
| 329 |
'bandcamp', |
| 330 |
'behance', |
| 331 |
'chain', |
| 332 |
'codepen', |
| 333 |
'deviantart', |
| 334 |
'dribbble', |
| 335 |
'dropbox', |
| 336 |
'etsy', |
| 337 |
'facebook', |
| 338 |
'feed', |
| 339 |
'fivehundredpx', |
| 340 |
'flickr', |
| 341 |
'foursquare', |
| 342 |
'goodreads', |
| 343 |
'google', |
| 344 |
'github', |
| 345 |
'instagram', |
| 346 |
'lastfm', |
| 347 |
'linkedin', |
| 348 |
'mail', |
| 349 |
'mastodon', |
| 350 |
'meetup', |
| 351 |
'medium', |
| 352 |
'pinterest', |
| 353 |
'pocket', |
| 354 |
'reddit', |
| 355 |
'skype', |
| 356 |
'snapchat', |
| 357 |
'soundcloud', |
| 358 |
'spotify', |
| 359 |
'tumblr', |
| 360 |
'twitch', |
| 361 |
'twitter', |
| 362 |
'vimeo', |
| 363 |
'vk', |
| 364 |
'wordpress', |
| 365 |
'yelp', |
| 366 |
'youtube', |
| 367 |
); |
| 368 |
|
| 369 |
foreach ( $services as $service ) { |
| 370 |
register_block_type( |
| 371 |
'core/social-link-' . $service, |
| 372 |
array( |
| 373 |
'category' => 'widgets', |
| 374 |
'attributes' => array( |
| 375 |
'url' => array( |
| 376 |
'type' => 'string', |
| 377 |
), |
| 378 |
'service' => array( |
| 379 |
'type' => 'string', |
| 380 |
'default' => $service, |
| 381 |
), |
| 382 |
'label' => array( |
| 383 |
'type' => 'string', |
| 384 |
), |
| 385 |
), |
| 386 |
'render_callback' => 'gutenberg_render_block_core_social_link', |
| 387 |
) |
| 388 |
); |
| 389 |
} |
| 390 |
} |
| 391 |
|
| 392 |
add_action( 'init', 'gutenberg_register_legacy_social_link_blocks' ); |
| 393 |
|
| 394 |
/** |
| 395 |
* Migrate the legacy `sync_status` meta key (added 16.1) to the new `wp_pattern_sync_status` meta key (16.1.1). |
| 396 |
* |
| 397 |
* This filter is INTENTIONALLY left out of core as the meta key was fist introduced to core in 6.3 as `wp_pattern_sync_status`. |
| 398 |
* see https://github.com/WordPress/gutenberg/pull/52232 |
| 399 |
* |
| 400 |
* @param mixed $value The value to return, either a single metadata value or an array of values depending on the value of $single. |
| 401 |
* @param int $object_id ID of the object metadata is for. |
| 402 |
* @param string $meta_key Metadata key. |
| 403 |
* @param bool $single Whether to return only the first value of the specified $meta_key. |
| 404 |
*/ |
| 405 |
function gutenberg_legacy_wp_block_post_meta( $value, $object_id, $meta_key, $single ) { |
| 406 |
if ( 'wp_pattern_sync_status' !== $meta_key ) { |
| 407 |
return $value; |
| 408 |
} |
| 409 |
|
| 410 |
$sync_status = get_post_meta( $object_id, 'sync_status', $single ); |
| 411 |
|
| 412 |
if ( $single && 'unsynced' === $sync_status ) { |
| 413 |
return $sync_status; |
| 414 |
} elseif ( isset( $sync_status[0] ) && 'unsynced' === $sync_status[0] ) { |
| 415 |
return $sync_status; |
| 416 |
} |
| 417 |
|
| 418 |
return $value; |
| 419 |
} |
| 420 |
|
| 421 |
add_filter( 'default_post_metadata', 'gutenberg_legacy_wp_block_post_meta', 10, 4 ); |
| 422 |
|
| 423 |
|
| 424 |
|
| 425 |
/** |
| 426 |
* Strips all HTML from the content of footnotes, and sanitizes the ID. |
| 427 |
* |
| 428 |
* This function expects slashed data on the footnotes content. |
| 429 |
* |
| 430 |
* @access private |
| 431 |
* |
| 432 |
* @param string $footnotes JSON encoded string of an array containing the content and ID of each footnote. |
| 433 |
* @return string Filtered content without any HTML on the footnote content and with the sanitized id. |
| 434 |
*/ |
| 435 |
function _gutenberg_filter_post_meta_footnotes( $footnotes ) { |
| 436 |
$footnotes_decoded = json_decode( $footnotes, true ); |
| 437 |
if ( ! is_array( $footnotes_decoded ) ) { |
| 438 |
return ''; |
| 439 |
} |
| 440 |
$footnotes_sanitized = array(); |
| 441 |
foreach ( $footnotes_decoded as $footnote ) { |
| 442 |
if ( ! empty( $footnote['content'] ) && ! empty( $footnote['id'] ) ) { |
| 443 |
$footnotes_sanitized[] = array( |
| 444 |
'id' => sanitize_key( $footnote['id'] ), |
| 445 |
'content' => wp_unslash( wp_filter_post_kses( wp_slash( $footnote['content'] ) ) ), |
| 446 |
); |
| 447 |
} |
| 448 |
} |
| 449 |
return wp_json_encode( $footnotes_sanitized ); |
| 450 |
} |
| 451 |
|
| 452 |
/** |
| 453 |
* Adds the filters to filter footnotes meta field. |
| 454 |
* |
| 455 |
* @access private |
| 456 |
*/ |
| 457 |
function _gutenberg_footnotes_kses_init_filters() { |
| 458 |
add_filter( 'sanitize_post_meta_footnotes', '_gutenberg_filter_post_meta_footnotes' ); |
| 459 |
} |
| 460 |
|
| 461 |
/** |
| 462 |
* Removes the filters that filter footnotes meta field. |
| 463 |
* |
| 464 |
* @access private |
| 465 |
*/ |
| 466 |
function _gutenberg_footnotes_remove_filters() { |
| 467 |
remove_filter( 'sanitize_post_meta_footnotes', '_gutenberg_filter_post_meta_footnotes' ); |
| 468 |
} |
| 469 |
|
| 470 |
/** |
| 471 |
* Registers the filter of footnotes meta field if the user does not have unfiltered_html capability. |
| 472 |
* |
| 473 |
* @access private |
| 474 |
*/ |
| 475 |
function _gutenberg_footnotes_kses_init() { |
| 476 |
if ( function_exists( '_wp_filter_post_meta_footnotes' ) ) { |
| 477 |
return; |
| 478 |
} |
| 479 |
_gutenberg_footnotes_remove_filters(); |
| 480 |
if ( ! current_user_can( 'unfiltered_html' ) ) { |
| 481 |
_gutenberg_footnotes_kses_init_filters(); |
| 482 |
} |
| 483 |
} |
| 484 |
|
| 485 |
/** |
| 486 |
* Initializes footnotes meta field filters when imported data should be filtered. |
| 487 |
* |
| 488 |
* This filter is the last being executed on force_filtered_html_on_import. |
| 489 |
* If the input of the filter is true it means we are in an import situation and should |
| 490 |
* enable kses, independently of the user capabilities. |
| 491 |
* So in that case we call _gutenberg_footnotes_kses_init_filters; |
| 492 |
* |
| 493 |
* @access private |
| 494 |
* |
| 495 |
* @param string $arg Input argument of the filter. |
| 496 |
* @return string Input argument of the filter. |
| 497 |
*/ |
| 498 |
function _gutenberg_footnotes_force_filtered_html_on_import_filter( $arg ) { |
| 499 |
if ( function_exists( '_wp_filter_post_meta_footnotes' ) ) { |
| 500 |
return; |
| 501 |
} |
| 502 |
// force_filtered_html_on_import is true we need to init the global styles kses filters. |
| 503 |
if ( $arg ) { |
| 504 |
_gutenberg_footnotes_kses_init_filters(); |
| 505 |
} |
| 506 |
return $arg; |
| 507 |
} |
| 508 |
|
| 509 |
add_action( 'init', '_gutenberg_footnotes_kses_init' ); |
| 510 |
add_action( 'set_current_user', '_gutenberg_footnotes_kses_init' ); |
| 511 |
add_filter( 'force_filtered_html_on_import', '_gutenberg_footnotes_force_filtered_html_on_import_filter', 999 ); |
| 512 |
|
