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