140 lines
5.7 KiB
PHP
140 lines
5.7 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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*/
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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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* @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 = false;
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if ( property_exists( $block_type, 'supports' ) ) {
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$color_support = wp_array_get( $block_type->supports, array( '__experimentalColor' ), false );
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}
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$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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if ( ! $block_type->attributes ) {
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$block_type->attributes = array();
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}
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if ( $has_text_colors_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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* Add 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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* @param array $attributes Comprehensive list of attributes to be applied.
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* @param array $block_attributes Block attributes.
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* @param WP_Block_Type $block_type Block type.
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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( $attributes, $block_attributes, $block_type ) {
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$color_support = wp_array_get( $block_type->supports, array( '__experimentalColor' ), false );
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$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_link_colors_support = wp_array_get( $color_support, array( 'linkColor' ), false );
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$has_gradients_support = wp_array_get( $color_support, array( 'gradients' ), false );
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// Text Colors.
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// Check support for text colors.
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if ( $has_text_colors_support ) {
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$has_named_text_color = array_key_exists( 'textColor', $block_attributes );
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$has_custom_text_color = isset( $block_attributes['style']['color']['text'] );
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// Apply required generic class.
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if ( $has_custom_text_color || $has_named_text_color ) {
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$attributes['css_classes'][] = 'has-text-color';
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}
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// Apply color class or inline style.
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if ( $has_named_text_color ) {
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$attributes['css_classes'][] = sprintf( 'has-%s-color', $block_attributes['textColor'] );
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} elseif ( $has_custom_text_color ) {
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$attributes['inline_styles'][] = sprintf( 'color: %s;', $block_attributes['style']['color']['text'] );
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}
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}
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// Link Colors.
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if ( $has_link_colors_support ) {
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$has_link_color = isset( $block_attributes['style']['color']['link'] );
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// Apply required class and style.
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if ( $has_link_color ) {
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$attributes['css_classes'][] = 'has-link-color';
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// If link is a named color.
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if ( strpos( $block_attributes['style']['color']['link'], 'var:preset|color|' ) !== false ) {
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// Get the name from the string and add proper styles.
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$index_to_splice = strrpos( $block_attributes['style']['color']['link'], '|' ) + 1;
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$link_color_name = substr( $block_attributes['style']['color']['link'], $index_to_splice );
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$attributes['inline_styles'][] = sprintf( '--wp--style--color--link:var(--wp--preset--color--%s);', $link_color_name );
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} else {
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$attributes['inline_styles'][] = sprintf( '--wp--style--color--link: %s;', $block_attributes['style']['color']['link'] );
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}
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}
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}
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// Background Colors.
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if ( $has_background_colors_support ) {
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$has_named_background_color = array_key_exists( 'backgroundColor', $block_attributes );
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$has_custom_background_color = isset( $block_attributes['style']['color']['background'] );
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// Apply required background class.
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if ( $has_custom_background_color || $has_named_background_color ) {
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$attributes['css_classes'][] = 'has-background';
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}
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// Apply background color classes or styles.
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if ( $has_named_background_color ) {
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$attributes['css_classes'][] = sprintf( 'has-%s-background-color', $block_attributes['backgroundColor'] );
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} elseif ( $has_custom_background_color ) {
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$attributes['inline_styles'][] = sprintf( 'background-color: %s;', $block_attributes['style']['color']['background'] );
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}
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}
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// Gradients.
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if ( $has_gradients_support ) {
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$has_named_gradient = array_key_exists( 'gradient', $block_attributes );
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$has_custom_gradient = isset( $block_attributes['style']['color']['gradient'] );
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if ( $has_named_gradient || $has_custom_gradient ) {
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$attributes['css_classes'][] = 'has-background';
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}
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// Apply required background class.
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if ( $has_named_gradient ) {
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$attributes['css_classes'][] = sprintf( 'has-%s-gradient-background', $block_attributes['gradient'] );
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} elseif ( $has_custom_gradient ) {
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$attributes['inline_styles'][] = sprintf( 'background: %s;', $block_attributes['style']['color']['gradient'] );
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}
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}
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return $attributes;
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}
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