<?php
/**
* Dimensions block support flag.
*
* This does not include the `spacing` block support even though that visually
* appears under the "Dimensions" panel in the editor. It remains in its
* original `spacing.php` file for compatibility with core.
*
* @package WordPress
* @since 5.9.0
*/
/**
* Registers the style block attribute for block types that support it.
*
* @since 5.9.0
* @access private
*
* @param WP_Block_Type $block_type Block Type.
*/
function wp_register_dimensions_support( $block_type ) {
// Setup attributes and styles within that if needed.
if ( ! $block_type->attributes ) {
$block_type->attributes = array();
}
// Check for existing style attribute definition e.g. from block.json.
if ( array_key_exists( 'style', $block_type->attributes ) ) {
return;
}
$has_dimensions_support = block_has_support( $block_type, array( '__experimentalDimensions' ), false );
// Future block supports such as height & width will be added here.
if ( $has_dimensions_support ) {
$block_type->attributes['style'] = array(
'type' => 'object',
);
}
}
/**
* Adds CSS classes for block dimensions to the incoming attributes array.
* This will be applied to the block markup in the front-end.
*
* @since 5.9.0
* @access private
*
* @param WP_Block_Type $block_type Block Type.
* @param array $block_attributes Block attributes.
* @return array Block dimensions CSS classes and inline styles.
*/
function wp_apply_dimensions_support( $block_type, $block_attributes ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
if ( wp_should_skip_block_supports_serialization( $block_type, '__experimentalDimensions' ) ) {
return array();
}
$styles = array();
// Height support to be added in near future.
// Width support to be added in near future.
return empty( $styles ) ? array() : array( 'style' => implode( ' ', $styles ) );
}
// Register the block support.
WP_Block_Supports::get_instance()->register(
'dimensions',
array(
'register_attribute' => 'wp_register_dimensions_support',
'apply' => 'wp_apply_dimensions_support',
)
);