Viewing file:  spacing.php (2.86 KB) -rw-rw-r--
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<?php
/**
* Spacing block support flag.
* For backwards compatibility, this remains separate to the dimensions.php
* block support despite both belonging under a single panel in the editor.
*
* @package WordPress
* @since 5.8.0
*/
/**
* Registers the style block attribute for block types that support it.
*
* @since 5.8.0
* @access private
*
* @param WP_Block_Type $block_type Block Type.
*/
function wp_register_spacing_support( $block_type ) {
$has_spacing_support = block_has_support( $block_type, array( 'spacing' ), false );
// Setup attributes and styles within that if needed.
if ( ! $block_type->attributes ) {
$block_type->attributes = array();
}
if ( $has_spacing_support && ! array_key_exists( 'style', $block_type->attributes ) ) {
$block_type->attributes['style'] = array(
'type' => 'object',
);
}
}
/**
* Add CSS classes for block spacing to the incoming attributes array.
* This will be applied to the block markup in the front-end.
*
* @since 5.8.0
* @access private
*
* @param WP_Block_Type $block_type Block Type.
* @param array $block_attributes Block attributes.
* @return array Block spacing CSS classes and inline styles.
*/
function wp_apply_spacing_support( $block_type, $block_attributes ) {
if ( wp_should_skip_block_supports_serialization( $block_type, 'spacing' ) ) {
return array();
}
$has_padding_support = block_has_support( $block_type, array( 'spacing', 'padding' ), false );
$has_margin_support = block_has_support( $block_type, array( 'spacing', 'margin' ), false );
$skip_padding = wp_should_skip_block_supports_serialization( $block_type, 'spacing', 'padding' );
$skip_margin = wp_should_skip_block_supports_serialization( $block_type, 'spacing', 'margin' );
$styles = array();
if ( $has_padding_support && ! $skip_padding ) {
$padding_value = _wp_array_get( $block_attributes, array( 'style', 'spacing', 'padding' ), null );
if ( is_array( $padding_value ) ) {
foreach ( $padding_value as $key => $value ) {
$styles[] = sprintf( 'padding-%s: %s;', $key, $value );
}
} elseif ( null !== $padding_value ) {
$styles[] = sprintf( 'padding: %s;', $padding_value );
}
}
if ( $has_margin_support && ! $skip_margin ) {
$margin_value = _wp_array_get( $block_attributes, array( 'style', 'spacing', 'margin' ), null );
if ( is_array( $margin_value ) ) {
foreach ( $margin_value as $key => $value ) {
$styles[] = sprintf( 'margin-%s: %s;', $key, $value );
}
} elseif ( null !== $margin_value ) {
$styles[] = sprintf( 'margin: %s;', $margin_value );
}
}
return empty( $styles ) ? array() : array( 'style' => implode( ' ', $styles ) );
}
// Register the block support.
WP_Block_Supports::get_instance()->register(
'spacing',
array(
'register_attribute' => 'wp_register_spacing_support',
'apply' => 'wp_apply_spacing_support',
)
);
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