align.php (1728B)
1 <?php 2 /** 3 * Align block support flag. 4 * 5 * @package WordPress 6 * @since 5.6.0 7 */ 8 9 /** 10 * Registers the align block attribute for block types that support it. 11 * 12 * @since 5.6.0 13 * @access private 14 * 15 * @param WP_Block_Type $block_type Block Type. 16 */ 17 function wp_register_alignment_support( $block_type ) { 18 $has_align_support = block_has_support( $block_type, array( 'align' ), false ); 19 if ( $has_align_support ) { 20 if ( ! $block_type->attributes ) { 21 $block_type->attributes = array(); 22 } 23 24 if ( ! array_key_exists( 'align', $block_type->attributes ) ) { 25 $block_type->attributes['align'] = array( 26 'type' => 'string', 27 'enum' => array( 'left', 'center', 'right', 'wide', 'full', '' ), 28 ); 29 } 30 } 31 } 32 33 /** 34 * Add CSS classes for block alignment to the incoming attributes array. 35 * This will be applied to the block markup in the front-end. 36 * 37 * @since 5.6.0 38 * @access private 39 * 40 * @param WP_Block_Type $block_type Block Type. 41 * @param array $block_attributes Block attributes. 42 * 43 * @return array Block alignment CSS classes and inline styles. 44 */ 45 function wp_apply_alignment_support( $block_type, $block_attributes ) { 46 $attributes = array(); 47 $has_align_support = block_has_support( $block_type, array( 'align' ), false ); 48 if ( $has_align_support ) { 49 $has_block_alignment = array_key_exists( 'align', $block_attributes ); 50 51 if ( $has_block_alignment ) { 52 $attributes['class'] = sprintf( 'align%s', $block_attributes['align'] ); 53 } 54 } 55 56 return $attributes; 57 } 58 59 // Register the block support. 60 WP_Block_Supports::get_instance()->register( 61 'align', 62 array( 63 'register_attribute' => 'wp_register_alignment_support', 64 'apply' => 'wp_apply_alignment_support', 65 ) 66 );