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BlockAnchorSupportService.php
69 lines
| 1 | <?php |
| 2 | |
| 3 | namespace SureCart\BlockLibrary; |
| 4 | |
| 5 | /** |
| 6 | * Provide anchor support for blocks. |
| 7 | */ |
| 8 | class BlockAnchorSupportService { |
| 9 | /** |
| 10 | * Register anchor support |
| 11 | * |
| 12 | * @param WP_Block_Type $block_type Block Type. |
| 13 | * |
| 14 | * @return void |
| 15 | */ |
| 16 | public function registerAnchorSupport( $block_type ) { |
| 17 | $has_anchor_support = block_has_support( $block_type, 'anchor', false ); |
| 18 | |
| 19 | if ( $has_anchor_support ) { |
| 20 | if ( ! $block_type->attributes ) { |
| 21 | $block_type->attributes = array(); |
| 22 | } |
| 23 | |
| 24 | if ( ! array_key_exists( 'anchor', $block_type->attributes ) ) { |
| 25 | $block_type->attributes['anchor'] = array( |
| 26 | 'type' => 'string', |
| 27 | ); |
| 28 | } |
| 29 | } |
| 30 | } |
| 31 | |
| 32 | /** |
| 33 | * Add the anchor to the output. |
| 34 | * |
| 35 | * @param WP_Block_Type $block_type Block Type. |
| 36 | * @param array $block_attributes Block attributes. |
| 37 | * |
| 38 | * @return array Block CSS classes and inline styles. |
| 39 | */ |
| 40 | public function applyAnchorSupport( $block_type, $block_attributes ) { |
| 41 | $has_anchor_support = block_has_support( $block_type, 'anchor', false ); |
| 42 | $attributes = array(); |
| 43 | if ( $has_anchor_support ) { |
| 44 | $has_anchor = array_key_exists( 'anchor', $block_attributes ); |
| 45 | |
| 46 | if ( $has_anchor ) { |
| 47 | $attributes['id'] = $block_attributes['anchor']; |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | return $attributes; |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * Register block support. |
| 56 | * |
| 57 | * @return void |
| 58 | */ |
| 59 | public function bootstrap() { |
| 60 | \WP_Block_Supports::get_instance()->register( |
| 61 | 'anchor', |
| 62 | array( |
| 63 | 'register_attribute' => [ $this, 'registerAnchorSupport' ], |
| 64 | 'apply' => [ $this, 'applyAnchorSupport' ], |
| 65 | ) |
| 66 | ); |
| 67 | } |
| 68 | } |
| 69 |