550 lines
19 KiB
PHP
550 lines
19 KiB
PHP
<?php
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/**
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* Layout block support flag.
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*
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* @package WordPress
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* @since 5.8.0
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*/
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/**
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* Registers the layout block attribute for block types that support it.
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*
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* @since 5.8.0
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* @access private
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*
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* @param WP_Block_Type $block_type Block Type.
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*/
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function wp_register_layout_support( $block_type ) {
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$support_layout = block_has_support( $block_type, array( '__experimentalLayout' ), false );
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if ( $support_layout ) {
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if ( ! $block_type->attributes ) {
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$block_type->attributes = array();
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}
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if ( ! array_key_exists( 'layout', $block_type->attributes ) ) {
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$block_type->attributes['layout'] = array(
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'type' => 'object',
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);
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}
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}
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}
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/**
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* Generates the CSS corresponding to the provided layout.
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*
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* @since 5.9.0
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* @since 6.1.0 Added `$block_spacing` param, use style engine to enqueue styles.
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* @access private
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*
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* @param string $selector CSS selector.
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* @param array $layout Layout object. The one that is passed has already checked
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* the existence of default block layout.
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* @param bool $has_block_gap_support Optional. Whether the theme has support for the block gap. Default false.
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* @param string|string[]|null $gap_value Optional. The block gap value to apply. Default null.
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* @param bool $should_skip_gap_serialization Optional. Whether to skip applying the user-defined value set in the editor. Default false.
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* @param string $fallback_gap_value Optional. The block gap value to apply. Default '0.5em'.
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* @param array|null $block_spacing Optional. Custom spacing set on the block. Default null.
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* @return string CSS styles on success. Else, empty string.
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*/
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function wp_get_layout_style( $selector, $layout, $has_block_gap_support = false, $gap_value = null, $should_skip_gap_serialization = false, $fallback_gap_value = '0.5em', $block_spacing = null ) {
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$layout_type = isset( $layout['type'] ) ? $layout['type'] : 'default';
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$layout_styles = array();
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if ( 'default' === $layout_type ) {
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if ( $has_block_gap_support ) {
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if ( is_array( $gap_value ) ) {
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$gap_value = isset( $gap_value['top'] ) ? $gap_value['top'] : null;
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}
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if ( null !== $gap_value && ! $should_skip_gap_serialization ) {
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// Get spacing CSS variable from preset value if provided.
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if ( is_string( $gap_value ) && str_contains( $gap_value, 'var:preset|spacing|' ) ) {
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$index_to_splice = strrpos( $gap_value, '|' ) + 1;
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$slug = _wp_to_kebab_case( substr( $gap_value, $index_to_splice ) );
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$gap_value = "var(--wp--preset--spacing--$slug)";
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}
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array_push(
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$layout_styles,
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array(
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'selector' => "$selector > *",
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'declarations' => array(
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'margin-block-start' => '0',
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'margin-block-end' => '0',
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),
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),
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array(
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'selector' => "$selector$selector > * + *",
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'declarations' => array(
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'margin-block-start' => $gap_value,
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'margin-block-end' => '0',
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),
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)
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);
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}
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}
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} elseif ( 'constrained' === $layout_type ) {
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$content_size = isset( $layout['contentSize'] ) ? $layout['contentSize'] : '';
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$wide_size = isset( $layout['wideSize'] ) ? $layout['wideSize'] : '';
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$justify_content = isset( $layout['justifyContent'] ) ? $layout['justifyContent'] : 'center';
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$all_max_width_value = $content_size ? $content_size : $wide_size;
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$wide_max_width_value = $wide_size ? $wide_size : $content_size;
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// Make sure there is a single CSS rule, and all tags are stripped for security.
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$all_max_width_value = safecss_filter_attr( explode( ';', $all_max_width_value )[0] );
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$wide_max_width_value = safecss_filter_attr( explode( ';', $wide_max_width_value )[0] );
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$margin_left = 'left' === $justify_content ? '0 !important' : 'auto !important';
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$margin_right = 'right' === $justify_content ? '0 !important' : 'auto !important';
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if ( $content_size || $wide_size ) {
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array_push(
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$layout_styles,
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array(
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'selector' => "$selector > :where(:not(.alignleft):not(.alignright):not(.alignfull))",
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'declarations' => array(
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'max-width' => $all_max_width_value,
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'margin-left' => $margin_left,
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'margin-right' => $margin_right,
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),
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),
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array(
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'selector' => "$selector > .alignwide",
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'declarations' => array( 'max-width' => $wide_max_width_value ),
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),
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array(
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'selector' => "$selector .alignfull",
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'declarations' => array( 'max-width' => 'none' ),
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)
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);
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if ( isset( $block_spacing ) ) {
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$block_spacing_values = wp_style_engine_get_styles(
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array(
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'spacing' => $block_spacing,
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)
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);
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/*
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* Handle negative margins for alignfull children of blocks with custom padding set.
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* They're added separately because padding might only be set on one side.
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*/
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if ( isset( $block_spacing_values['declarations']['padding-right'] ) ) {
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$padding_right = $block_spacing_values['declarations']['padding-right'];
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$layout_styles[] = array(
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'selector' => "$selector > .alignfull",
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'declarations' => array( 'margin-right' => "calc($padding_right * -1)" ),
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);
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}
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if ( isset( $block_spacing_values['declarations']['padding-left'] ) ) {
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$padding_left = $block_spacing_values['declarations']['padding-left'];
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$layout_styles[] = array(
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'selector' => "$selector > .alignfull",
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'declarations' => array( 'margin-left' => "calc($padding_left * -1)" ),
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);
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}
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}
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}
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if ( 'left' === $justify_content ) {
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$layout_styles[] = array(
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'selector' => "$selector > :where(:not(.alignleft):not(.alignright):not(.alignfull))",
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'declarations' => array( 'margin-left' => '0 !important' ),
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);
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}
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if ( 'right' === $justify_content ) {
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$layout_styles[] = array(
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'selector' => "$selector > :where(:not(.alignleft):not(.alignright):not(.alignfull))",
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'declarations' => array( 'margin-right' => '0 !important' ),
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);
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}
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if ( $has_block_gap_support ) {
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if ( is_array( $gap_value ) ) {
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$gap_value = isset( $gap_value['top'] ) ? $gap_value['top'] : null;
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}
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if ( null !== $gap_value && ! $should_skip_gap_serialization ) {
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// Get spacing CSS variable from preset value if provided.
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if ( is_string( $gap_value ) && str_contains( $gap_value, 'var:preset|spacing|' ) ) {
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$index_to_splice = strrpos( $gap_value, '|' ) + 1;
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$slug = _wp_to_kebab_case( substr( $gap_value, $index_to_splice ) );
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$gap_value = "var(--wp--preset--spacing--$slug)";
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}
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array_push(
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$layout_styles,
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array(
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'selector' => "$selector > *",
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'declarations' => array(
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'margin-block-start' => '0',
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'margin-block-end' => '0',
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),
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),
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array(
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'selector' => "$selector$selector > * + *",
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'declarations' => array(
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'margin-block-start' => $gap_value,
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'margin-block-end' => '0',
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),
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)
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);
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}
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}
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} elseif ( 'flex' === $layout_type ) {
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$layout_orientation = isset( $layout['orientation'] ) ? $layout['orientation'] : 'horizontal';
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$justify_content_options = array(
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'left' => 'flex-start',
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'right' => 'flex-end',
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'center' => 'center',
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);
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$vertical_alignment_options = array(
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'top' => 'flex-start',
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'center' => 'center',
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'bottom' => 'flex-end',
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);
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if ( 'horizontal' === $layout_orientation ) {
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$justify_content_options += array( 'space-between' => 'space-between' );
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}
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if ( ! empty( $layout['flexWrap'] ) && 'nowrap' === $layout['flexWrap'] ) {
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$layout_styles[] = array(
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'selector' => $selector,
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'declarations' => array( 'flex-wrap' => 'nowrap' ),
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);
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}
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if ( $has_block_gap_support && isset( $gap_value ) ) {
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$combined_gap_value = '';
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$gap_sides = is_array( $gap_value ) ? array( 'top', 'left' ) : array( 'top' );
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foreach ( $gap_sides as $gap_side ) {
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$process_value = is_string( $gap_value ) ? $gap_value : _wp_array_get( $gap_value, array( $gap_side ), $fallback_gap_value );
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// Get spacing CSS variable from preset value if provided.
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if ( is_string( $process_value ) && str_contains( $process_value, 'var:preset|spacing|' ) ) {
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$index_to_splice = strrpos( $process_value, '|' ) + 1;
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$slug = _wp_to_kebab_case( substr( $process_value, $index_to_splice ) );
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$process_value = "var(--wp--preset--spacing--$slug)";
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}
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$combined_gap_value .= "$process_value ";
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}
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$gap_value = trim( $combined_gap_value );
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if ( null !== $gap_value && ! $should_skip_gap_serialization ) {
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$layout_styles[] = array(
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'selector' => $selector,
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'declarations' => array( 'gap' => $gap_value ),
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);
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}
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}
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if ( 'horizontal' === $layout_orientation ) {
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/*
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* Add this style only if is not empty for backwards compatibility,
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* since we intend to convert blocks that had flex layout implemented
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* by custom css.
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*/
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if ( ! empty( $layout['justifyContent'] ) && array_key_exists( $layout['justifyContent'], $justify_content_options ) ) {
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$layout_styles[] = array(
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'selector' => $selector,
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'declarations' => array( 'justify-content' => $justify_content_options[ $layout['justifyContent'] ] ),
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);
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}
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if ( ! empty( $layout['verticalAlignment'] ) && array_key_exists( $layout['verticalAlignment'], $vertical_alignment_options ) ) {
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$layout_styles[] = array(
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'selector' => $selector,
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'declarations' => array( 'align-items' => $vertical_alignment_options[ $layout['verticalAlignment'] ] ),
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);
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}
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} else {
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$layout_styles[] = array(
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'selector' => $selector,
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'declarations' => array( 'flex-direction' => 'column' ),
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);
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if ( ! empty( $layout['justifyContent'] ) && array_key_exists( $layout['justifyContent'], $justify_content_options ) ) {
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$layout_styles[] = array(
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'selector' => $selector,
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'declarations' => array( 'align-items' => $justify_content_options[ $layout['justifyContent'] ] ),
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);
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} else {
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$layout_styles[] = array(
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'selector' => $selector,
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'declarations' => array( 'align-items' => 'flex-start' ),
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);
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}
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}
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}
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if ( ! empty( $layout_styles ) ) {
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/*
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* Add to the style engine store to enqueue and render layout styles.
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* Return compiled layout styles to retain backwards compatibility.
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* Since https://github.com/WordPress/gutenberg/pull/42452,
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* wp_enqueue_block_support_styles is no longer called in this block supports file.
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*/
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return wp_style_engine_get_stylesheet_from_css_rules(
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$layout_styles,
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array(
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'context' => 'block-supports',
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'prettify' => false,
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)
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);
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}
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return '';
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}
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/**
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* Renders the layout config to the block wrapper.
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*
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* @since 5.8.0
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* @access private
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*
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* @param string $block_content Rendered block content.
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* @param array $block Block object.
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* @return string Filtered block content.
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*/
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function wp_render_layout_support_flag( $block_content, $block ) {
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$block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block['blockName'] );
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$support_layout = block_has_support( $block_type, array( '__experimentalLayout' ), false );
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if ( ! $support_layout ) {
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return $block_content;
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}
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$block_gap = wp_get_global_settings( array( 'spacing', 'blockGap' ) );
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$global_layout_settings = wp_get_global_settings( array( 'layout' ) );
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$has_block_gap_support = isset( $block_gap ) ? null !== $block_gap : false;
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$default_block_layout = _wp_array_get( $block_type->supports, array( '__experimentalLayout', 'default' ), array() );
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$used_layout = isset( $block['attrs']['layout'] ) ? $block['attrs']['layout'] : $default_block_layout;
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if ( isset( $used_layout['inherit'] ) && $used_layout['inherit'] ) {
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if ( ! $global_layout_settings ) {
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return $block_content;
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}
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}
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$class_names = array();
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$layout_definitions = _wp_array_get( $global_layout_settings, array( 'definitions' ), array() );
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$block_classname = wp_get_block_default_classname( $block['blockName'] );
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$container_class = wp_unique_id( 'wp-container-' );
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$layout_classname = '';
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// Set the correct layout type for blocks using legacy content width.
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if ( isset( $used_layout['inherit'] ) && $used_layout['inherit'] || isset( $used_layout['contentSize'] ) && $used_layout['contentSize'] ) {
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$used_layout['type'] = 'constrained';
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}
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if (
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wp_get_global_settings( array( 'useRootPaddingAwareAlignments' ) ) &&
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isset( $used_layout['type'] ) &&
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'constrained' === $used_layout['type']
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) {
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$class_names[] = 'has-global-padding';
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}
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/*
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* The following section was added to reintroduce a small set of layout classnames that were
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* removed in the 5.9 release (https://github.com/WordPress/gutenberg/issues/38719). It is
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* not intended to provide an extended set of classes to match all block layout attributes
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* here.
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*/
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if ( ! empty( $block['attrs']['layout']['orientation'] ) ) {
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$class_names[] = 'is-' . sanitize_title( $block['attrs']['layout']['orientation'] );
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}
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if ( ! empty( $block['attrs']['layout']['justifyContent'] ) ) {
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$class_names[] = 'is-content-justification-' . sanitize_title( $block['attrs']['layout']['justifyContent'] );
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}
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if ( ! empty( $block['attrs']['layout']['flexWrap'] ) && 'nowrap' === $block['attrs']['layout']['flexWrap'] ) {
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$class_names[] = 'is-nowrap';
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}
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// Get classname for layout type.
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if ( isset( $used_layout['type'] ) ) {
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$layout_classname = _wp_array_get( $layout_definitions, array( $used_layout['type'], 'className' ), '' );
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} else {
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$layout_classname = _wp_array_get( $layout_definitions, array( 'default', 'className' ), '' );
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}
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if ( $layout_classname && is_string( $layout_classname ) ) {
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$class_names[] = sanitize_title( $layout_classname );
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}
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/*
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* Only generate Layout styles if the theme has not opted-out.
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* Attribute-based Layout classnames are output in all cases.
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*/
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if ( ! current_theme_supports( 'disable-layout-styles' ) ) {
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$gap_value = _wp_array_get( $block, array( 'attrs', 'style', 'spacing', 'blockGap' ) );
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/*
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* Skip if gap value contains unsupported characters.
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* Regex for CSS value borrowed from `safecss_filter_attr`, and used here
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* to only match against the value, not the CSS attribute.
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*/
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if ( is_array( $gap_value ) ) {
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foreach ( $gap_value as $key => $value ) {
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$gap_value[ $key ] = $value && preg_match( '%[\\\(&=}]|/\*%', $value ) ? null : $value;
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}
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} else {
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$gap_value = $gap_value && preg_match( '%[\\\(&=}]|/\*%', $gap_value ) ? null : $gap_value;
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}
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$fallback_gap_value = _wp_array_get( $block_type->supports, array( 'spacing', 'blockGap', '__experimentalDefault' ), '0.5em' );
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$block_spacing = _wp_array_get( $block, array( 'attrs', 'style', 'spacing' ), null );
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/*
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* If a block's block.json skips serialization for spacing or spacing.blockGap,
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* don't apply the user-defined value to the styles.
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*/
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$should_skip_gap_serialization = wp_should_skip_block_supports_serialization( $block_type, 'spacing', 'blockGap' );
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$style = wp_get_layout_style(
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".$block_classname.$container_class",
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$used_layout,
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$has_block_gap_support,
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$gap_value,
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$should_skip_gap_serialization,
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$fallback_gap_value,
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$block_spacing
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);
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// Only add container class and enqueue block support styles if unique styles were generated.
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if ( ! empty( $style ) ) {
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$class_names[] = $container_class;
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}
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}
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/*
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* This assumes the hook only applies to blocks with a single wrapper.
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* A limitation of this hook is that nested inner blocks wrappers are not yet supported.
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*/
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$content = preg_replace(
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'/' . preg_quote( 'class="', '/' ) . '/',
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'class="' . esc_attr( implode( ' ', $class_names ) ) . ' ',
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$block_content,
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1
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);
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return $content;
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}
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// Register the block support.
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WP_Block_Supports::get_instance()->register(
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'layout',
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array(
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'register_attribute' => 'wp_register_layout_support',
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)
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);
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add_filter( 'render_block', 'wp_render_layout_support_flag', 10, 2 );
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/**
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* For themes without theme.json file, make sure
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* to restore the inner div for the group block
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* to avoid breaking styles relying on that div.
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*
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* @since 5.8.0
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* @access private
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*
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* @param string $block_content Rendered block content.
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* @param array $block Block object.
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|
* @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*<div\b[^>]*wp-block-group__inner-container(\s|")[^>]*>)((.|\S|\s)*)/U',
|
|
preg_quote( $tag_name, '/' )
|
|
);
|
|
|
|
if (
|
|
WP_Theme_JSON_Resolver::theme_has_support() ||
|
|
1 === preg_match( $group_with_inner_container_regex, $block_content ) ||
|
|
( isset( $block['attrs']['layout']['type'] ) && 'flex' === $block['attrs']['layout']['type'] )
|
|
) {
|
|
return $block_content;
|
|
}
|
|
|
|
$replace_regex = sprintf(
|
|
'/(^\s*<%1$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] . '<div class="wp-block-group__inner-container">' . $matches[2] . '</div>' . $matches[3];
|
|
},
|
|
$block_content
|
|
);
|
|
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*
|
|
<figure\b
|
|
[^>]*
|
|
\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_JSON_Resolver::theme_has_support() ||
|
|
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 '<div class="' . implode( ' ', $wrapper_classnames ) . '">' . $matches[1] . implode( ' ', $filtered_content_classnames ) . $matches[3] . '</div>';
|
|
}
|
|
|
|
add_filter( 'render_block_core/image', 'wp_restore_image_outer_container', 10, 2 );
|