68 lines
1.8 KiB
PHP
68 lines
1.8 KiB
PHP
<?php
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/**
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* Custom classname 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 custom classname block attribute for block types that support it.
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*
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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_custom_classname_support( $block_type ) {
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$has_custom_classname_support = true;
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if ( property_exists( $block_type, 'supports' ) ) {
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$has_custom_classname_support = _wp_array_get( $block_type->supports, array( 'customClassName' ), true );
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}
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if ( $has_custom_classname_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 ( ! array_key_exists( 'className', $block_type->attributes ) ) {
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$block_type->attributes['className'] = 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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/**
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* Add the custom classnames to the output.
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*
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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 CSS classes and inline styles.
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*/
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function wp_apply_custom_classname_support( $block_type, $block_attributes ) {
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$has_custom_classname_support = true;
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$attributes = array();
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if ( property_exists( $block_type, 'supports' ) ) {
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$has_custom_classname_support = _wp_array_get( $block_type->supports, array( 'customClassName' ), true );
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}
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if ( $has_custom_classname_support ) {
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$has_custom_classnames = array_key_exists( 'className', $block_attributes );
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if ( $has_custom_classnames ) {
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$attributes['class'] = $block_attributes['className'];
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}
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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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'custom-classname',
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array(
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'register_attribute' => 'wp_register_custom_classname_support',
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'apply' => 'wp_apply_custom_classname_support',
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)
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);
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