diff options
Diffstat (limited to 'wp-includes/block-supports/custom-classname.php')
| -rw-r--r-- | wp-includes/block-supports/custom-classname.php | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/wp-includes/block-supports/custom-classname.php b/wp-includes/block-supports/custom-classname.php new file mode 100644 index 0000000..1889918 --- /dev/null +++ b/wp-includes/block-supports/custom-classname.php @@ -0,0 +1,65 @@ +<?php +/** + * Custom classname block support flag. + * + * @package WordPress + * @since 5.6.0 + */ + +/** + * Registers the custom classname block attribute for block types that support it. + * + * @since 5.6.0 + * @access private + * + * @param WP_Block_Type $block_type Block Type. + */ +function wp_register_custom_classname_support( $block_type ) { + $has_custom_classname_support = block_has_support( $block_type, 'customClassName', true ); + + if ( $has_custom_classname_support ) { + if ( ! $block_type->attributes ) { + $block_type->attributes = array(); + } + + if ( ! array_key_exists( 'className', $block_type->attributes ) ) { + $block_type->attributes['className'] = array( + 'type' => 'string', + ); + } + } +} + +/** + * Adds the custom classnames to the output. + * + * @since 5.6.0 + * @access private + * + * @param WP_Block_Type $block_type Block Type. + * @param array $block_attributes Block attributes. + * + * @return array Block CSS classes and inline styles. + */ +function wp_apply_custom_classname_support( $block_type, $block_attributes ) { + $has_custom_classname_support = block_has_support( $block_type, 'customClassName', true ); + $attributes = array(); + if ( $has_custom_classname_support ) { + $has_custom_classnames = array_key_exists( 'className', $block_attributes ); + + if ( $has_custom_classnames ) { + $attributes['class'] = $block_attributes['className']; + } + } + + return $attributes; +} + +// Register the block support. +WP_Block_Supports::get_instance()->register( + 'custom-classname', + array( + 'register_attribute' => 'wp_register_custom_classname_support', + 'apply' => 'wp_apply_custom_classname_support', + ) +); |