66 lines
1.7 KiB
PHP
66 lines
1.7 KiB
PHP
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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 WordPress
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* @since 5.6.0
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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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* @since 5.6.0
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* @access private
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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 wp_register_alignment_support( $block_type ) {
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$has_align_support = block_has_support( $block_type, 'align', false );
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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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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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* Adds 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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* @since 5.6.0
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* @access private
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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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* @return array Block alignment CSS classes and inline styles.
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*/
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function wp_apply_alignment_support( $block_type, $block_attributes ) {
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$attributes = array();
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$has_align_support = block_has_support( $block_type, 'align', false );
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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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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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return $attributes;
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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' => 'wp_register_alignment_support',
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'apply' => 'wp_apply_alignment_support',
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)
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);
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