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Migrate spacing, border, color, dimensions, elements and typography and associated tests for block supports in the block editor. Related changes in Gutenberg: - Include individual serialization changes from6de16981c7- Skip Style Engine integration from44925a947f%60 Props ramonopoly, aaronrobertshaw. See #55505. Built from https://develop.svn.wordpress.org/trunk@53076 git-svn-id: http://core.svn.wordpress.org/trunk@52665 1a063a9b-81f0-0310-95a4-ce76da25c4cd
224 lines
9.1 KiB
PHP
224 lines
9.1 KiB
PHP
<?php
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/**
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* Typography block support flag.
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*
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* @package WordPress
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* @since 5.6.0
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*/
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/**
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* Registers the style and typography block attributes for block types that support it.
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*
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* @since 5.6.0
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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_typography_support( $block_type ) {
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if ( ! property_exists( $block_type, 'supports' ) ) {
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return;
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}
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$typography_supports = _wp_array_get( $block_type->supports, array( 'typography' ), false );
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if ( ! $typography_supports ) {
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return;
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}
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$has_font_family_support = _wp_array_get( $typography_supports, array( '__experimentalFontFamily' ), false );
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$has_font_size_support = _wp_array_get( $typography_supports, array( 'fontSize' ), false );
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$has_font_style_support = _wp_array_get( $typography_supports, array( '__experimentalFontStyle' ), false );
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$has_font_weight_support = _wp_array_get( $typography_supports, array( '__experimentalFontWeight' ), false );
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$has_letter_spacing_support = _wp_array_get( $typography_supports, array( '__experimentalLetterSpacing' ), false );
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$has_line_height_support = _wp_array_get( $typography_supports, array( 'lineHeight' ), false );
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$has_text_decoration_support = _wp_array_get( $typography_supports, array( '__experimentalTextDecoration' ), false );
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$has_text_transform_support = _wp_array_get( $typography_supports, array( '__experimentalTextTransform' ), false );
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$has_typography_support = $has_font_family_support
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|| $has_font_size_support
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|| $has_font_style_support
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|| $has_font_weight_support
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|| $has_letter_spacing_support
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|| $has_line_height_support
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|| $has_text_decoration_support
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|| $has_text_transform_support;
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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 ( $has_typography_support && ! array_key_exists( 'style', $block_type->attributes ) ) {
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$block_type->attributes['style'] = array(
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'type' => 'object',
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);
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}
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if ( $has_font_size_support && ! array_key_exists( 'fontSize', $block_type->attributes ) ) {
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$block_type->attributes['fontSize'] = array(
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'type' => 'string',
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);
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}
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}
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/**
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* Adds CSS classes and inline styles for typography features such as font sizes
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* to the incoming attributes array. This will be applied to the block markup in
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* the front-end.
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*
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* @since 5.6.0
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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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* @param array $block_attributes Block attributes.
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* @return array Typography CSS classes and inline styles.
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*/
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function wp_apply_typography_support( $block_type, $block_attributes ) {
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if ( ! property_exists( $block_type, 'supports' ) ) {
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return array();
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}
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$typography_supports = _wp_array_get( $block_type->supports, array( 'typography' ), false );
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if ( ! $typography_supports ) {
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return array();
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}
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if ( wp_should_skip_block_supports_serialization( $block_type, 'typography' ) ) {
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return array();
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}
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$attributes = array();
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$classes = array();
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$styles = array();
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$has_font_family_support = _wp_array_get( $typography_supports, array( '__experimentalFontFamily' ), false );
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$has_font_size_support = _wp_array_get( $typography_supports, array( 'fontSize' ), false );
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$has_font_style_support = _wp_array_get( $typography_supports, array( '__experimentalFontStyle' ), false );
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$has_font_weight_support = _wp_array_get( $typography_supports, array( '__experimentalFontWeight' ), false );
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$has_letter_spacing_support = _wp_array_get( $typography_supports, array( '__experimentalLetterSpacing' ), false );
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$has_line_height_support = _wp_array_get( $typography_supports, array( 'lineHeight' ), false );
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$has_text_decoration_support = _wp_array_get( $typography_supports, array( '__experimentalTextDecoration' ), false );
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$has_text_transform_support = _wp_array_get( $typography_supports, array( '__experimentalTextTransform' ), false );
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if ( $has_font_size_support && ! wp_should_skip_block_supports_serialization( $block_type, 'typography', 'fontSize' ) ) {
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$has_named_font_size = array_key_exists( 'fontSize', $block_attributes );
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$has_custom_font_size = isset( $block_attributes['style']['typography']['fontSize'] );
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if ( $has_named_font_size ) {
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$classes[] = sprintf( 'has-%s-font-size', _wp_to_kebab_case( $block_attributes['fontSize'] ) );
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} elseif ( $has_custom_font_size ) {
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$styles[] = sprintf( 'font-size: %s;', $block_attributes['style']['typography']['fontSize'] );
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}
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}
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if ( $has_font_family_support && ! wp_should_skip_block_supports_serialization( $block_type, 'typography', 'fontFamily' ) ) {
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$has_named_font_family = array_key_exists( 'fontFamily', $block_attributes );
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$has_custom_font_family = isset( $block_attributes['style']['typography']['fontFamily'] );
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if ( $has_named_font_family ) {
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$classes[] = sprintf( 'has-%s-font-family', _wp_to_kebab_case( $block_attributes['fontFamily'] ) );
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} elseif ( $has_custom_font_family ) {
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// Before using classes, the value was serialized as a CSS Custom Property.
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// We don't need this code path when it lands in core.
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$font_family_custom = $block_attributes['style']['typography']['fontFamily'];
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if ( strpos( $font_family_custom, 'var:preset|font-family' ) !== false ) {
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$index_to_splice = strrpos( $font_family_custom, '|' ) + 1;
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$font_family_slug = _wp_to_kebab_case( substr( $font_family_custom, $index_to_splice ) );
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$font_family_custom = sprintf( 'var(--wp--preset--font-family--%s)', $font_family_slug );
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}
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$styles[] = sprintf( 'font-family: %s;', $font_family_custom );
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}
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}
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if ( $has_font_style_support && ! wp_should_skip_block_supports_serialization( $block_type, 'typography', 'fontStyle' ) ) {
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$font_style = wp_typography_get_css_variable_inline_style( $block_attributes, 'fontStyle', 'font-style' );
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if ( $font_style ) {
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$styles[] = $font_style;
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}
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}
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if ( $has_font_weight_support && ! wp_should_skip_block_supports_serialization( $block_type, 'typography', 'fontWeight' ) ) {
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$font_weight = wp_typography_get_css_variable_inline_style( $block_attributes, 'fontWeight', 'font-weight' );
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if ( $font_weight ) {
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$styles[] = $font_weight;
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}
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}
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if ( $has_line_height_support && ! wp_should_skip_block_supports_serialization( $block_type, 'typography', 'lineHeight' ) ) {
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$has_line_height = isset( $block_attributes['style']['typography']['lineHeight'] );
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if ( $has_line_height ) {
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$styles[] = sprintf( 'line-height: %s;', $block_attributes['style']['typography']['lineHeight'] );
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}
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}
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if ( $has_text_decoration_support && ! wp_should_skip_block_supports_serialization( $block_type, 'typography', 'textDecoration' ) ) {
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$text_decoration_style = wp_typography_get_css_variable_inline_style( $block_attributes, 'textDecoration', 'text-decoration' );
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if ( $text_decoration_style ) {
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$styles[] = $text_decoration_style;
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}
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}
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if ( $has_text_transform_support && ! wp_should_skip_block_supports_serialization( $block_type, 'typography', 'textTransform' ) ) {
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$text_transform_style = wp_typography_get_css_variable_inline_style( $block_attributes, 'textTransform', 'text-transform' );
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if ( $text_transform_style ) {
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$styles[] = $text_transform_style;
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}
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}
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if ( $has_letter_spacing_support && ! wp_should_skip_block_supports_serialization( $block_type, 'typography', 'letterSpacing' ) ) {
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$letter_spacing_style = wp_typography_get_css_variable_inline_style( $block_attributes, 'letterSpacing', 'letter-spacing' );
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if ( $letter_spacing_style ) {
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$styles[] = $letter_spacing_style;
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}
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}
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if ( ! empty( $classes ) ) {
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$attributes['class'] = implode( ' ', $classes );
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}
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if ( ! empty( $styles ) ) {
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$attributes['style'] = implode( ' ', $styles );
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}
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return $attributes;
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}
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/**
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* Generates an inline style for a typography feature e.g. text decoration,
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* text transform, and font style.
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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 array $attributes Block's attributes.
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* @param string $feature Key for the feature within the typography styles.
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* @param string $css_property Slug for the CSS property the inline style sets.
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* @return string CSS inline style.
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*/
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function wp_typography_get_css_variable_inline_style( $attributes, $feature, $css_property ) {
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// Retrieve current attribute value or skip if not found.
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$style_value = _wp_array_get( $attributes, array( 'style', 'typography', $feature ), false );
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if ( ! $style_value ) {
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return;
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}
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// If we don't have a preset CSS variable, we'll assume it's a regular CSS value.
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if ( strpos( $style_value, "var:preset|{$css_property}|" ) === false ) {
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return sprintf( '%s:%s;', $css_property, $style_value );
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}
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// We have a preset CSS variable as the style.
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// Get the style value from the string and return CSS style.
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$index_to_splice = strrpos( $style_value, '|' ) + 1;
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$slug = substr( $style_value, $index_to_splice );
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// Return the actual CSS inline style e.g. `text-decoration:var(--wp--preset--text-decoration--underline);`.
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return sprintf( '%s:var(--wp--preset--%s--%s);', $css_property, $css_property, $slug );
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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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'typography',
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array(
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'register_attribute' => 'wp_register_typography_support',
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'apply' => 'wp_apply_typography_support',
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)
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);
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