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<?php |
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/** |
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* Align block support flag. |
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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 align 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_alignment_support( $block_type ) { |
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$has_align_support = false; |
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if ( property_exists( $block_type, 'supports' ) ) { |
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$has_align_support = gutenberg_experimental_get( $block_type->supports, array( 'align' ), false ); |
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} |
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if ( $has_align_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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|
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if ( ! array_key_exists( 'align', $block_type->attributes ) ) { |
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$block_type->attributes['align'] = array( |
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'type' => 'string', |
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'enum' => array( 'left', 'center', 'right', 'wide', 'full', '' ), |
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); |
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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 alignment 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 alignment CSS classes and inline styles. |
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*/ |
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function gutenberg_apply_alignment_support( $block_type, $block_attributes ) { |
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$attributes = array(); |
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$has_align_support = false; |
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if ( property_exists( $block_type, 'supports' ) ) { |
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$has_align_support = gutenberg_experimental_get( $block_type->supports, array( 'align' ), false ); |
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} |
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if ( $has_align_support ) { |
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$has_block_alignment = array_key_exists( 'align', $block_attributes ); |
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|
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if ( $has_block_alignment ) { |
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$attributes['class'] = sprintf( 'align%s', $block_attributes['align'] ); |
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} |
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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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'align', |
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array( |
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'register_attribute' => 'gutenberg_register_alignment_support', |
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'apply' => 'gutenberg_apply_alignment_support', |
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) |
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); |
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|
