JezK
Edit File: settings.php
<?php /** * Block level presets support. * * @package WordPress * @since 6.2.0 */ /** * Get the class name used on block level presets. * * @internal * * @since 6.2.0 * @access private * * @param array $block Block object. * @return string The unique class name. */ function _wp_get_presets_class_name( $block ) { return 'wp-settings-' . md5( serialize( $block ) ); } /** * Update the block content with block level presets class name. * * @internal * * @since 6.2.0 * @access private * * @param string $block_content Rendered block content. * @param array $block Block object. * @return string Filtered block content. */ function _wp_add_block_level_presets_class( $block_content, $block ) { if ( ! $block_content ) { return $block_content; } // return early if the block doesn't have support for settings. $block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block['blockName'] ); if ( ! block_has_support( $block_type, '__experimentalSettings', false ) ) { return $block_content; } // return early if no settings are found on the block attributes. $block_settings = $block['attrs']['settings'] ?? null; if ( empty( $block_settings ) ) { return $block_content; } // Like the layout hook this assumes the hook only applies to blocks with a single wrapper. // Add the class name to the first element, presuming it's the wrapper, if it exists. $tags = new WP_HTML_Tag_Processor( $block_content ); if ( $tags->next_tag() ) { $tags->add_class( _wp_get_presets_class_name( $block ) ); } return $tags->get_updated_html(); } /** * Render the block level presets stylesheet. * * @internal * * @since 6.2.0 * @since 6.3.0 Updated preset styles to use Selectors API. * @access private * * @param string|null $pre_render The pre-rendered content. Default null. * @param array $block The block being rendered. * * @return null */ function _wp_add_block_level_preset_styles( $pre_render, $block ) { // Return early if the block has not support for descendent block styles. $block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block['blockName'] ); if ( ! block_has_support( $block_type, '__experimentalSettings', false ) ) { return null; } // return early if no settings are found on the block attributes. $block_settings = $block['attrs']['settings'] ?? null; if ( empty( $block_settings ) ) { return null; } $class_name = '.' . _wp_get_presets_class_name( $block ); // the root selector for preset variables needs to target every possible block selector // in order for the general setting to override any bock specific setting of a parent block or // the site root. $variables_root_selector = '*,[class*="wp-block"]'; $registry = WP_Block_Type_Registry::get_instance(); $blocks = $registry->get_all_registered(); foreach ( $blocks as $block_type ) { /* * We only want to append selectors for blocks using custom selectors * i.e. not `wp-block-<name>`. */ $has_custom_selector = ( isset( $block_type->supports['__experimentalSelector'] ) && is_string( $block_type->supports['__experimentalSelector'] ) ) || ( isset( $block_type->selectors['root'] ) && is_string( $block_type->selectors['root'] ) ); if ( $has_custom_selector ) { $variables_root_selector .= ',' . wp_get_block_css_selector( $block_type ); } } $variables_root_selector = WP_Theme_JSON::scope_selector( $class_name, $variables_root_selector ); // Remove any potentially unsafe styles. $theme_json_shape = WP_Theme_JSON::remove_insecure_properties( array( 'version' => WP_Theme_JSON::LATEST_SCHEMA, 'settings' => $block_settings, ) ); $theme_json_object = new WP_Theme_JSON( $theme_json_shape ); $styles = ''; // include preset css variables declaration on the stylesheet. $styles .= $theme_json_object->get_stylesheet( array( 'variables' ), null, array( 'root_selector' => $variables_root_selector, 'scope' => $class_name, ) ); // include preset css classes on the the stylesheet. $styles .= $theme_json_object->get_stylesheet( array( 'presets' ), null, array( 'root_selector' => $class_name . ',' . $class_name . ' *', 'scope' => $class_name, ) ); if ( ! empty( $styles ) ) { wp_enqueue_block_support_styles( $styles ); } return null; } add_filter( 'render_block', '_wp_add_block_level_presets_class', 10, 2 ); add_filter( 'pre_render_block', '_wp_add_block_level_preset_styles', 10, 2 );