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96 lines
2.8 KiB
PHP
96 lines
2.8 KiB
PHP
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<?php
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/**
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* Spacing 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 style 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_spacing_support( $block_type ) {
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$has_spacing_support = block_has_support( $block_type, array( 'spacing' ), false );
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// Setup attributes and styles within that if needed.
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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_spacing_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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}
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/**
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* Add CSS classes for block spacing 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 5.8.0
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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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* @param array $block_attributes Block attributes.
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*
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* @return array Block spacing CSS classes and inline styles.
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*/
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function wp_apply_spacing_support( $block_type, $block_attributes ) {
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$has_padding_support = wp_has_spacing_feature_support( $block_type, 'padding' );
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$has_margin_support = wp_has_spacing_feature_support( $block_type, 'margin' );
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$styles = array();
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if ( $has_padding_support ) {
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$padding_value = _wp_array_get( $block_attributes, array( 'style', 'spacing', 'padding' ), null );
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if ( null !== $padding_value ) {
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foreach ( $padding_value as $key => $value ) {
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$styles[] = sprintf( 'padding-%s: %s;', $key, $value );
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}
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}
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}
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if ( $has_margin_support ) {
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$margin_value = _wp_array_get( $block_attributes, array( 'style', 'spacing', 'margin' ), null );
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if ( null !== $margin_value ) {
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foreach ( $margin_value as $key => $value ) {
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$styles[] = sprintf( 'margin-%s: %s;', $key, $value );
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}
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}
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}
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return empty( $styles ) ? array() : array( 'style' => implode( ' ', $styles ) );
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}
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/**
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* Checks whether the current block type supports the spacing feature requested.
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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 to check for support.
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* @param string $feature Name of the feature to check support for.
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* @param mixed $default Fallback value for feature support, defaults to false.
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*
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* @return boolean Whether or not the feature is supported.
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*/
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function wp_has_spacing_feature_support( $block_type, $feature, $default = false ) {
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// Check if the specific feature has been opted into individually
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// via nested flag under `spacing`.
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return block_has_support( $block_type, array( 'spacing', $feature ), $default );
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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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'spacing',
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array(
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'register_attribute' => 'wp_register_spacing_support',
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'apply' => 'wp_apply_spacing_support',
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)
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);
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