] = array( 'selector' => $selector, 'declarations' => array( 'grid-template-columns' => 'repeat(auto-fill, minmax(min(' . $minimum_column_width . ', 100%), 1fr))', 'container-type' => 'inline-size', ), ); } if ( $has_block_gap_support && isset( $gap_value ) ) { $combined_gap_value = ''; $gap_sides = is_array( $gap_value ) ? array( 'top', 'left' ) : array( 'top' ); foreach ( $gap_sides as $gap_side ) { $process_value = $gap_value; if ( is_array( $gap_value ) ) { $process_value = isset( $gap_value[ $gap_side ] ) ? $gap_value[ $gap_side ] : $fallback_gap_value; } // Get spacing CSS variable from preset value if provided. if ( is_string( $process_value ) && str_contains( $process_value, 'var:preset|spacing|' ) ) { $index_to_splice = strrpos( $process_value, '|' ) + 1; $slug = _wp_to_kebab_case( substr( $process_value, $index_to_splice ) ); $process_value = "var(--wp--preset--spacing--$slug)"; } $combined_gap_value .= "$process_value "; } $gap_value = trim( $combined_gap_value ); if ( null !== $gap_value && ! $should_skip_gap_serialization ) { $layout_styles[] = array( 'selector' => $selector, 'declarations' => array( 'gap' => $gap_value ), ); } } } if ( ! empty( $layout_styles ) ) { /* * Add to the style engine store to enqueue and render layout styles. * Return compiled layout styles to retain backwards compatibility. * Since https://github.com/WordPress/gutenberg/pull/42452, * wp_enqueue_block_support_styles is no longer called in this block supports file. */ return wp_style_engine_get_stylesheet_from_css_rules( $layout_styles, array( 'context' => 'block-supports', 'prettify' => false, ) ); } return ''; } /** * Renders the layout config to the block wrapper. * * @since 5.8.0 * @since 6.3.0 Adds compound class to layout wrapper for global spacing styles. * @since 6.3.0 Check for layout support via the `layout` key with fallback to `__experimentalLayout`. * @since 6.6.0 Removed duplicate container class from layout styles. * @access private * * @param string $block_content Rendered block content. * @param array $block Block object. * @return string Filtered block content. */ function wp_render_layout_support_flag( $block_content, $block ) { $block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block['blockName'] ); $block_supports_layout = block_has_support( $block_type, 'layout', false ) || block_has_support( $block_type, '__experimentalLayout', false ); $child_layout = isset( $block['attrs']['style']['layout'] ) ? $block['attrs']['style']['layout'] : null; if ( ! $block_supports_layout && ! $child_layout ) { return $block_content; } $outer_class_names = array(); // Child layout specific logic. if ( $child_layout ) { $container_content_class = wp_unique_prefixed_id( 'wp-container-content-' ); $child_layout_declarations = array(); $child_layout_styles = array(); $self_stretch = isset( $child_layout['selfStretch'] ) ? $child_layout['selfStretch'] : null; if ( 'fixed' === $self_stretch && isset( $child_layout['flexSize'] ) ) { $child_layout_declarations['flex-basis'] = $child_layout['flexSize']; $child_layout_declarations['box-sizing'] = 'border-box'; } elseif ( 'fill' === $self_stretch ) { $child_layout_declarations['flex-grow'] = '1'; } if ( isset( $child_layout['columnSpan'] ) ) { $column_span = $child_layout['columnSpan']; $child_layout_declarations['grid-column'] = "span $column_span"; } if ( isset( $child_layout['rowSpan'] ) ) { $row_span = $child_layout['rowSpan']; $child_layout_declarations['grid-row'] = "span $row_span"; } $child_layout_styles[] = array( 'selector' => ".$container_content_class", 'declarations' => $child_layout_declarations, ); /* * If columnSpan is set, and the parent grid is responsive, i.e. if it has a minimumColumnWidth set, * the columnSpan should be removed on small grids. If there's a minimumColumnWidth, the grid is responsive. * But if the minimumColumnWidth value wasn't changed, it won't be set. In that case, if columnCount doesn't * exist, we can assume that the grid is responsive. */ if ( isset( $child_layout['columnSpan'] ) && ( isset( $block['parentLayout']['minimumColumnWidth'] ) || ! isset( $block['parentLayout']['columnCount'] ) ) ) { $column_span_number = floatval( $child_layout['columnSpan'] ); $parent_column_width = isset( $block['parentLayout']['minimumColumnWidth'] ) ? $block['parentLayout']['minimumColumnWidth'] : '12rem'; $parent_column_value = floatval( $parent_column_width ); $parent_column_unit = explode( $parent_column_value, $parent_column_width ); /* * If there is no unit, the width has somehow been mangled so we reset both unit and value * to defaults. * Additionally, the unit should be one of px, rem or em, so that also needs to be checked. */ if ( count( $parent_column_unit ) <= 1 ) { $parent_column_unit = 'rem'; $parent_column_value = 12; } else { $parent_column_unit = $parent_column_unit[1]; if ( ! in_array( $parent_column_unit, array( 'px', 'rem', 'em' ), true ) ) { $parent_column_unit = 'rem'; } } /* * A default gap value is used for this computation because custom gap values may not be * viable to use in the computation of the container query value. */ $default_gap_value = 'px' === $parent_column_unit ? 24 : 1.5; $container_query_value = $column_span_number * $parent_column_value + ( $column_span_number - 1 ) * $default_gap_value; $container_query_value = $container_query_value . $parent_column_unit; $child_layout_styles[] = array( 'rules_group' => "@container (max-width: $container_query_value )", 'selector' => ".$container_content_class", 'declarations' => array( 'grid-column' => '1/-1', ), ); } /* * Add to the style engine store to enqueue and render layout styles. * Return styles here just to check if any exist. */ $child_css = wp_style_engine_get_stylesheet_from_css_rules( $child_layout_styles, array( 'context' => 'block-supports', 'prettify' => false, ) ); if ( $child_css ) { $outer_class_names[] = $container_content_class; } } // Prep the processor for modifying the block output. $processor = new WP_HTML_Tag_Processor( $block_content ); // Having no tags implies there are no tags onto which to add class names. if ( ! $processor->next_tag() ) { return $block_content; } /* * A block may not support layout but still be affected by a parent block's layout. * * In these cases add the appropriate class names and then return early; there's * no need to investigate on this block whether additional layout constraints apply. */ if ( ! $block_supports_layout && ! empty( $outer_class_names ) ) { foreach ( $outer_class_names as $class_name ) { $processor->add_class( $class_name ); } return $processor->get_updated_html(); } elseif ( ! $block_supports_layout ) { // Ensure layout classnames are not injected if there is no layout support. return $block_content; } $global_settings = wp_get_global_settings(); $fallback_layout = isset( $block_type->supports['layout']['default'] ) ? $block_type->supports['layout']['default'] : array(); if ( empty( $fallback_layout ) ) { $fallback_layout = isset( $block_type->supports['__experimentalLayout']['default'] ) ? $block_type->supports['__experimentalLayout']['default'] : array(); } $used_layout = isset( $block['attrs']['layout'] ) ? $block['attrs']['layout'] : $fallback_layout; $class_names = array(); $layout_definitions = wp_get_layout_definitions(); /* * Uses an incremental ID that is independent per prefix to make sure that * rendering different numbers of blocks doesn't affect the IDs of other * blocks. Makes the CSS class names stable across paginations * for features like the enhanced pagination of the Query block. */ $container_class = wp_unique_prefixed_id( 'wp-container-' . sanitize_title( $block['blockName'] ) . '-is-layout-' ); // Set the correct layout type for blocks using legacy content width. if ( isset( $used_layout['inherit'] ) && $used_layout['inherit'] || isset( $used_layout['contentSize'] ) && $used_layout['contentSize'] ) { $used_layout['type'] = 'constrained'; } $root_padding_aware_alignments = isset( $global_settings['useRootPaddingAwareAlignments'] ) ? $global_settings['useRootPaddingAwareAlignments'] : false; if ( $root_padding_aware_alignments && isset( $used_layout['type'] ) && 'constrained' === $used_layout['type'] ) { $class_names[] = 'has-global-padding'; } /* * The following section was added to reintroduce a small set of layout classnames that were * removed in the 5.9 release (https://github.com/WordPress/gutenberg/issues/38719). It is * not intended to provide an extended set of classes to match all block layout attributes * here. */ if ( ! empty( $block['attrs']['layout']['orientation'] ) ) { $class_names[] = 'is-' . sanitize_title( $block['attrs']['layout']['orientation'] ); } if ( ! empty( $block['attrs']['layout']['justifyContent'] ) ) { $class_names[] = 'is-content-justification-' . sanitize_title( $block['attrs']['layout']['justifyContent'] ); } if ( ! empty( $block['attrs']['layout']['flexWrap'] ) && 'nowrap' === $block['attrs']['layout']['flexWrap'] ) { $class_names[] = 'is-nowrap'; } // Get classname for layout type. if ( isset( $used_layout['type'] ) ) { $layout_classname = isset( $layout_definitions[ $used_layout['type'] ]['className'] ) ? $layout_definitions[ $used_layout['type'] ]['className'] : ''; } else { $layout_classname = isset( $layout_definitions['default']['className'] ) ? $layout_definitions['default']['className'] : ''; } if ( $layout_classname && is_string( $layout_classname ) ) { $class_names[] = sanitize_title( $layout_classname ); } /* * Only generate Layout styles if the theme has not opted-out. * Attribute-based Layout classnames are output in all cases. */ if ( ! current_theme_supports( 'disable-layout-styles' ) ) { $gap_value = isset( $block['attrs']['style']['spacing']['blockGap'] ) ? $block['attrs']['style']['spacing']['blockGap'] : null; /* * Skip if gap value contains unsupported characters. * Regex for CSS value borrowed from `safecss_filter_attr`, and used here * to only match against the value, not the CSS attribute. */ if ( is_array( $gap_value ) ) { foreach ( $gap_value as $key => $value ) { $gap_value[ $key ] = $value && preg_match( '%[\\\(&=}]|/\*%', $value ) ? null : $value; } } else { $gap_value = $gap_value && preg_match( '%[\\\(&=}]|/\*%', $gap_value ) ? null : $gap_value; } $fallback_gap_value = isset( $block_type->supports['spacing']['blockGap']['__experimentalDefault'] ) ? $block_type->supports['spacing']['blockGap']['__experimentalDefault'] : '0.5em'; $block_spacing = isset( $block['attrs']['style']['spacing'] ) ? $block['attrs']['style']['spacing'] : null; /* * If a block's block.json skips serialization for spacing or spacing.blockGap, * don't apply the user-defined value to the styles. */ $should_skip_gap_serialization = wp_should_skip_block_supports_serialization( $block_type, 'spacing', 'blockGap' ); $block_gap = isset( $global_settings['spacing']['blockGap'] ) ? $global_settings['spacing']['blockGap'] : null; $has_block_gap_support = isset( $block_gap ); $style = wp_get_layout_style( ".$container_class", $used_layout, $has_block_gap_support, $gap_value, $should_skip_gap_serialization, $fallback_gap_value, $block_spacing ); // Only add container class and enqueue block support styles if unique styles were generated. if ( ! empty( $style ) ) { $class_names[] = $container_class; } } // Add combined layout and block classname for global styles to hook onto. $block_name = explode( '/', $block['blockName'] ); $class_names[] = 'wp-block-' . end( $block_name ) . '-' . $layout_classname; // Add classes to the outermost HTML tag if necessary. if ( ! empty( $outer_class_names ) ) { foreach ( $outer_class_names as $outer_class_name ) { $processor->add_class( $outer_class_name ); } } /** * Attempts to refer to the inner-block wrapping element by its class attribute. * * When examining a block's inner content, if a block has inner blocks, then * the first content item will likely be a text (HTML) chunk immediately * preceding the inner blocks. The last HTML tag in that chunk would then be * an opening tag for an element that wraps the inner blocks. * * There's no reliable way to associate this wrapper in $block_content because * it may have changed during the rendering pipeline (as inner contents is * provided before rendering) and through previous filters. In many cases, * however, the `class` attribute will be a good-enough identifier, so this * code finds the last tag in that chunk and stores the `class` attribute * so that it can be used later when working through the rendered block output * to identify the wrapping element and add the remaining class names to it. * * It's also possible that no inner block wrapper even exists. If that's the * case this code could apply the class names to an invalid element. * * Example: * * $block['innerBlocks'] = array( $list_item ); * $block['innerContent'] = array( '' ); * * // After rendering, the initial contents may have been modified by other renderers or filters. * $block_content = << *
It's a list!
* * HTML; * * Although it is possible that the original block-wrapper classes are changed in $block_content * from how they appear in $block['innerContent'], it's likely that the original class attributes * are still present in the wrapper as they are in this example. Frequently, additional classes * will also be present; rarely should classes be removed. * * @todo Find a better way to match the first inner block. If it's possible to identify where the * first inner block starts, then it will be possible to find the last tag before it starts * and then that tag, if an opening tag, can be solidly identified as a wrapping element. * Can some unique value or class or ID be added to the inner blocks when they process * so that they can be extracted here safely without guessing? Can the block rendering function * return information about where the rendered inner blocks start? * * @var string|null */ $inner_block_wrapper_classes = null; $first_chunk = isset( $block['innerContent'][0] ) ? $block['innerContent'][0] : null; if ( is_string( $first_chunk ) && count( $block['innerContent'] ) > 1 ) { $first_chunk_processor = new WP_HTML_Tag_Processor( $first_chunk ); while ( $first_chunk_processor->next_tag() ) { $class_attribute = $first_chunk_processor->get_attribute( 'class' ); if ( is_string( $class_attribute ) && ! empty( $class_attribute ) ) { $inner_block_wrapper_classes = $class_attribute; } } } /* * If necessary, advance to what is likely to be an inner block wrapper tag. * * This advances until it finds the first tag containing the original class * attribute from above. If none is found it will scan to the end of the block * and fail to add any class names. * * If there is no block wrapper it won't advance at all, in which case the * class names will be added to the first and outermost tag of the block. * For cases where this outermost tag is the only tag surrounding inner * blocks then the outer wrapper and inner wrapper are the same. */ do { if ( ! $inner_block_wrapper_classes ) { break; } $class_attribute = $processor->get_attribute( 'class' ); if ( is_string( $class_attribute ) && str_contains( $class_attribute, $inner_block_wrapper_classes ) ) { break; } } while ( $processor->next_tag() ); // Add the remaining class names. foreach ( $class_names as $class_name ) { $processor->add_class( $class_name ); } return $processor->get_updated_html(); } /** * Check if the parent block exists and if it has a layout attribute. * If it does, add the parent layout to the parsed block * * @since 6.6.0 * @access private * * @param array $parsed_block The parsed block. * @param array $source_block The source block. * @param WP_Block $parent_block The parent block. * @return array The parsed block with parent layout attribute if it exists. */ function wp_add_parent_layout_to_parsed_block( $parsed_block, $source_block, $parent_block ) { if ( $parent_block && isset( $parent_block->parsed_block['attrs']['layout'] ) ) { $parsed_block['parentLayout'] = $parent_block->parsed_block['attrs']['layout']; } return $parsed_block; } add_filter( 'render_block_data', 'wp_add_parent_layout_to_parsed_block', 10, 3 ); // Register the block support. WP_Block_Supports::get_instance()->register( 'layout', array( 'register_attribute' => 'wp_register_layout_support', ) ); add_filter( 'render_block', 'wp_render_layout_support_flag', 10, 2 ); /** * For themes without theme.json file, make sure * to restore the inner div for the group block * to avoid breaking styles relying on that div. * * @since 5.8.0 * @since 6.6.1 Removed inner container from Grid variations. * @access private * * @param string $block_content Rendered block content. * @param array $block Block object. * @return string Filtered block content. */ function wp_restore_group_inner_container( $block_content, $block ) { $tag_name = isset( $block['attrs']['tagName'] ) ? $block['attrs']['tagName'] : 'div'; $group_with_inner_container_regex = sprintf( '/(^\s*<%1$s\b[^>]*wp-block-group(\s|")[^>]*>)(\s*]*wp-block-group__inner-container(\s|")[^>]*>)((.|\S|\s)*)/U', preg_quote( $tag_name, '/' ) ); if ( wp_theme_has_theme_json() || 1 === preg_match( $group_with_inner_container_regex, $block_content ) || ( isset( $block['attrs']['layout']['type'] ) && ( 'flex' === $block['attrs']['layout']['type'] || 'grid' === $block['attrs']['layout']['type'] ) ) ) { return $block_content; } /* * This filter runs after the layout classnames have been added to the block, so they * have to be removed from the outer wrapper and then added to the inner. */ $layout_classes = array(); $processor = new WP_HTML_Tag_Processor( $block_content ); if ( $processor->next_tag( array( 'class_name' => 'wp-block-group' ) ) ) { foreach ( $processor->class_list() as $class_name ) { if ( str_contains( $class_name, 'is-layout-' ) ) { $layout_classes[] = $class_name; $processor->remove_class( $class_name ); } } } $content_without_layout_classes = $processor->get_updated_html(); $replace_regex = sprintf( '/(^\s*<%1$s\b[^>]*wp-block-group[^>]*>)(.*)(<\/%1$s>\s*$)/ms', preg_quote( $tag_name, '/' ) ); $updated_content = preg_replace_callback( $replace_regex, static function ( $matches ) { return $matches[1] . '
' . $matches[2] . '
' . $matches[3]; }, $content_without_layout_classes ); // Add layout classes to inner wrapper. if ( ! empty( $layout_classes ) ) { $processor = new WP_HTML_Tag_Processor( $updated_content ); if ( $processor->next_tag( array( 'class_name' => 'wp-block-group__inner-container' ) ) ) { foreach ( $layout_classes as $class_name ) { $processor->add_class( $class_name ); } } $updated_content = $processor->get_updated_html(); } return $updated_content; } add_filter( 'render_block_core/group', 'wp_restore_group_inner_container', 10, 2 ); /** * For themes without theme.json file, make sure * to restore the outer div for the aligned image block * to avoid breaking styles relying on that div. * * @since 6.0.0 * @access private * * @param string $block_content Rendered block content. * @param array $block Block object. * @return string Filtered block content. */ function wp_restore_image_outer_container( $block_content, $block ) { $image_with_align = " /# 1) everything up to the class attribute contents ( ^\s* ]* \bclass= [\"'] ) # 2) the class attribute contents ( [^\"']* \bwp-block-image\b [^\"']* \b(?:alignleft|alignright|aligncenter)\b [^\"']* ) # 3) everything after the class attribute contents ( [\"'] [^>]* > .* <\/figure> )/iUx"; if ( wp_theme_has_theme_json() || 0 === preg_match( $image_with_align, $block_content, $matches ) ) { return $block_content; } $wrapper_classnames = array( 'wp-block-image' ); // If the block has a classNames attribute these classnames need to be removed from the content and added back // to the new wrapper div also. if ( ! empty( $block['attrs']['className'] ) ) { $wrapper_classnames = array_merge( $wrapper_classnames, explode( ' ', $block['attrs']['className'] ) ); } $content_classnames = explode( ' ', $matches[2] ); $filtered_content_classnames = array_diff( $content_classnames, $wrapper_classnames ); return '
' . $matches[1] . implode( ' ', $filtered_content_classnames ) . $matches[3] . '
'; } add_filter( 'render_block_core/image', 'wp_restore_image_outer_container', 10, 2 ); Explore – Nos Dushi Bida