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305ccb98e0
Adds support for buttons and headings to the colors and elements block supports, allowing button and heading element colors to be changed on individual blocks. Props aaronrobertshaw. Fixes #59309. Built from https://develop.svn.wordpress.org/trunk@56604 git-svn-id: http://core.svn.wordpress.org/trunk@56116 1a063a9b-81f0-0310-95a4-ce76da25c4cd
134 lines
5.4 KiB
PHP
134 lines
5.4 KiB
PHP
<?php
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/**
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* Colors 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 colors block attributes for block types that support it.
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*
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* @since 5.6.0
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* @since 6.1.0 Improved $color_support assignment optimization.
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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_colors_support( $block_type ) {
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$color_support = property_exists( $block_type, 'supports' ) ? _wp_array_get( $block_type->supports, array( 'color' ), false ) : false;
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$has_text_colors_support = true === $color_support || ( is_array( $color_support ) && _wp_array_get( $color_support, array( 'text' ), true ) );
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$has_background_colors_support = true === $color_support || ( is_array( $color_support ) && _wp_array_get( $color_support, array( 'background' ), true ) );
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$has_gradients_support = _wp_array_get( $color_support, array( 'gradients' ), false );
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$has_link_colors_support = _wp_array_get( $color_support, array( 'link' ), false );
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$has_button_colors_support = _wp_array_get( $color_support, array( 'button' ), false );
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$has_heading_colors_support = _wp_array_get( $color_support, array( 'heading' ), false );
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$has_color_support = $has_text_colors_support ||
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$has_background_colors_support ||
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$has_gradients_support ||
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$has_link_colors_support ||
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$has_button_colors_support ||
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$has_heading_colors_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_color_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_background_colors_support && ! array_key_exists( 'backgroundColor', $block_type->attributes ) ) {
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$block_type->attributes['backgroundColor'] = array(
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'type' => 'string',
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);
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}
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if ( $has_text_colors_support && ! array_key_exists( 'textColor', $block_type->attributes ) ) {
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$block_type->attributes['textColor'] = array(
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'type' => 'string',
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);
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}
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if ( $has_gradients_support && ! array_key_exists( 'gradient', $block_type->attributes ) ) {
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$block_type->attributes['gradient'] = 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 colors to the incoming attributes array.
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* This will be applied to the block markup in the front-end.
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*
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* @since 5.6.0
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* @since 6.1.0 Implemented the style engine to generate CSS and classnames.
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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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*
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* @return array Colors CSS classes and inline styles.
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*/
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function wp_apply_colors_support( $block_type, $block_attributes ) {
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$color_support = _wp_array_get( $block_type->supports, array( 'color' ), false );
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if (
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is_array( $color_support ) &&
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wp_should_skip_block_supports_serialization( $block_type, 'color' )
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) {
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return array();
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}
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$has_text_colors_support = true === $color_support || ( is_array( $color_support ) && _wp_array_get( $color_support, array( 'text' ), true ) );
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$has_background_colors_support = true === $color_support || ( is_array( $color_support ) && _wp_array_get( $color_support, array( 'background' ), true ) );
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$has_gradients_support = _wp_array_get( $color_support, array( 'gradients' ), false );
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$color_block_styles = array();
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// Text colors.
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if ( $has_text_colors_support && ! wp_should_skip_block_supports_serialization( $block_type, 'color', 'text' ) ) {
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$preset_text_color = array_key_exists( 'textColor', $block_attributes ) ? "var:preset|color|{$block_attributes['textColor']}" : null;
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$custom_text_color = _wp_array_get( $block_attributes, array( 'style', 'color', 'text' ), null );
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$color_block_styles['text'] = $preset_text_color ? $preset_text_color : $custom_text_color;
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}
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// Background colors.
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if ( $has_background_colors_support && ! wp_should_skip_block_supports_serialization( $block_type, 'color', 'background' ) ) {
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$preset_background_color = array_key_exists( 'backgroundColor', $block_attributes ) ? "var:preset|color|{$block_attributes['backgroundColor']}" : null;
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$custom_background_color = _wp_array_get( $block_attributes, array( 'style', 'color', 'background' ), null );
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$color_block_styles['background'] = $preset_background_color ? $preset_background_color : $custom_background_color;
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}
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// Gradients.
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if ( $has_gradients_support && ! wp_should_skip_block_supports_serialization( $block_type, 'color', 'gradients' ) ) {
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$preset_gradient_color = array_key_exists( 'gradient', $block_attributes ) ? "var:preset|gradient|{$block_attributes['gradient']}" : null;
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$custom_gradient_color = _wp_array_get( $block_attributes, array( 'style', 'color', 'gradient' ), null );
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$color_block_styles['gradient'] = $preset_gradient_color ? $preset_gradient_color : $custom_gradient_color;
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}
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$attributes = array();
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$styles = wp_style_engine_get_styles( array( 'color' => $color_block_styles ), array( 'convert_vars_to_classnames' => true ) );
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if ( ! empty( $styles['classnames'] ) ) {
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$attributes['class'] = $styles['classnames'];
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}
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if ( ! empty( $styles['css'] ) ) {
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$attributes['style'] = $styles['css'];
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}
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return $attributes;
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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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'colors',
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array(
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'register_attribute' => 'wp_register_colors_support',
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'apply' => 'wp_apply_colors_support',
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)
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);
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