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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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* For backwards compatibility with core, this remains separate to the |
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* dimensions.php block support despite both belonging under a single panel in |
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* the editor. |
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* |
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* @package gutenberg |
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*/ |
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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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* @param WP_Block_Type $block_type Block Type. |
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*/ |
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function gutenberg_register_spacing_support( $block_type ) { |
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$has_spacing_support = block_has_support( $block_type, array( 'spacing' ), false ); |
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|
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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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|
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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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/** |
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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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* @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 gutenberg_apply_spacing_support( $block_type, $block_attributes ) { |
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if ( wp_should_skip_block_supports_serialization( $block_type, 'spacing' ) ) { |
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return array(); |
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} |
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|
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$attributes = array(); |
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$has_padding_support = block_has_support( $block_type, array( 'spacing', 'padding' ), false ); |
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$has_margin_support = block_has_support( $block_type, array( 'spacing', 'margin' ), false ); |
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$block_styles = $block_attributes['style'] ?? null; |
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|
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if ( ! $block_styles ) { |
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return $attributes; |
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} |
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|
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$skip_padding = wp_should_skip_block_supports_serialization( $block_type, 'spacing', 'padding' ); |
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$skip_margin = wp_should_skip_block_supports_serialization( $block_type, 'spacing', 'margin' ); |
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$spacing_block_styles = array( |
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'padding' => null, |
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'margin' => null, |
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); |
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if ( $has_padding_support && ! $skip_padding ) { |
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$spacing_block_styles['padding'] = $block_styles['spacing']['padding'] ?? null; |
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} |
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if ( $has_margin_support && ! $skip_margin ) { |
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$spacing_block_styles['margin'] = $block_styles['spacing']['margin'] ?? null; |
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} |
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$styles = gutenberg_style_engine_get_styles( array( 'spacing' => $spacing_block_styles ) ); |
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|
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if ( ! empty( $styles['css'] ) ) { |
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$attributes['style'] = $styles['css']; |
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} |
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|
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return $attributes; |
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} |
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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' => 'gutenberg_register_spacing_support', |
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'apply' => 'gutenberg_apply_spacing_support', |
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) |
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); |
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|
