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<?php /** * Dimensions block support flag. * * This does not include the `spacing` block support even though that visually * appears under the "Dimensions" panel in the editor. It remains in its * original `spacing.php` file for compatibility with core. * * @package WordPress * @since 5.9.0 */ /** * Registers the style block attribute for block types that support it. * * @since 5.9.0 * @access private * * @param WP_Block_Type $block_type Block Type. */ function wp_register_dimensions_support( $block_type ) { // Setup attributes and styles within that if needed. if ( ! $block_type->attributes ) { $block_type->attributes = array(); } // Check for existing style attribute definition e.g. from block.json. if ( array_key_exists( 'style', $block_type->attributes ) ) { return; } $has_dimensions_support = block_has_support( $block_type, 'dimensions', false ); if ( $has_dimensions_support ) { $block_type->attributes['style'] = array( 'type' => 'object', ); } } /** * Adds CSS classes for block dimensions to the incoming attributes array. * This will be applied to the block markup in the front-end. * * @since 5.9.0 * @since 6.2.0 Added `minHeight` support. * @access private * * @param WP_Block_Type $block_type Block Type. * @param array $block_attributes Block attributes. * @return array Block dimensions CSS classes and inline styles. */ function wp_apply_dimensions_support( $block_type, $block_attributes ) { if ( wp_should_skip_block_supports_serialization( $block_type, 'dimensions' ) ) { return array(); } $attributes = array(); // Width support to be added in near future. $has_min_height_support = block_has_support( $block_type, array( 'dimensions', 'minHeight' ), false ); $block_styles = isset( $block_attributes['style'] ) ? $block_attributes['style'] : null; if ( ! $block_styles ) { return $attributes; } $skip_min_height = wp_should_skip_block_supports_serialization( $block_type, 'dimensions', 'minHeight' ); $dimensions_block_styles = array(); $dimensions_block_styles['minHeight'] = null; if ( $has_min_height_support && ! $skip_min_height ) { $dimensions_block_styles['minHeight'] = isset( $block_styles['dimensions']['minHeight'] ) ? $block_styles['dimensions']['minHeight'] : null; } $styles = wp_style_engine_get_styles( array( 'dimensions' => $dimensions_block_styles ) ); if ( ! empty( $styles['css'] ) ) { $attributes['style'] = $styles['css']; } return $attributes; } /** * Renders server-side dimensions styles to the block wrapper. * This block support uses the `render_block` hook to ensure that * it is also applied to non-server-rendered blocks. * * @since 6.5.0 * @access private * * @param string $block_content Rendered block content. * @param array $block Block object. * @return string Filtered block content. */ function wp_render_dimensions_support( $block_content, $block ) { $block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block['blockName'] ); $block_attributes = ( isset( $block['attrs'] ) && is_array( $block['attrs'] ) ) ? $block['attrs'] : array(); $has_aspect_ratio_support = block_has_support( $block_type, array( 'dimensions', 'aspectRatio' ), false ); if ( ! $has_aspect_ratio_support || wp_should_skip_block_supports_serialization( $block_type, 'dimensions', 'aspectRatio' ) ) { return $block_content; } $dimensions_block_styles = array(); $dimensions_block_styles['aspectRatio'] = $block_attributes['style']['dimensions']['aspectRatio'] ?? null; // To ensure the aspect ratio does not get overridden by `minHeight` unset any existing rule. if ( isset( $dimensions_block_styles['aspectRatio'] ) ) { $dimensions_block_styles['minHeight'] = 'unset'; } elseif ( isset( $block_attributes['style']['dimensions']['minHeight'] ) || isset( $block_attributes['minHeight'] ) ) { $dimensions_block_styles['aspectRatio'] = 'unset'; } $styles = wp_style_engine_get_styles( array( 'dimensions' => $dimensions_block_styles ) ); if ( ! empty( $styles['css'] ) ) { // Inject dimensions styles to the first element, presuming it's the wrapper, if it exists. $tags = new WP_HTML_Tag_Processor( $block_content ); if ( $tags->next_tag() ) { $existing_style = $tags->get_attribute( 'style' ); $updated_style = ''; if ( ! empty( $existing_style ) ) { $updated_style = $existing_style; if ( ! str_ends_with( $existing_style, ';' ) ) { $updated_style .= ';'; } } $updated_style .= $styles['css']; $tags->set_attribute( 'style', $updated_style ); if ( ! empty( $styles['classnames'] ) ) { foreach ( explode( ' ', $styles['classnames'] ) as $class_name ) { if ( str_contains( $class_name, 'aspect-ratio' ) && ! isset( $block_attributes['style']['dimensions']['aspectRatio'] ) ) { continue; } $tags->add_class( $class_name ); } } } return $tags->get_updated_html(); } return $block_content; } add_filter( 'render_block', 'wp_render_dimensions_support', 10, 2 ); // Register the block support. WP_Block_Supports::get_instance()->register( 'dimensions', array( 'register_attribute' => 'wp_register_dimensions_support', 'apply' => 'wp_apply_dimensions_support', ) );