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1 <?php |
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2 /** |
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3 * Server-side rendering of the `core/post-comments-form` block. |
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4 * |
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5 * @package WordPress |
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6 */ |
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7 |
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8 /** |
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9 * Renders the `core/post-comments-form` block on the server. |
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10 * |
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11 * @param array $attributes Block attributes. |
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12 * @param string $content Block default content. |
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13 * @param WP_Block $block Block instance. |
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14 * @return string Returns the filtered post comments form for the current post. |
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15 */ |
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16 function render_block_core_post_comments_form( $attributes, $content, $block ) { |
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17 if ( ! isset( $block->context['postId'] ) ) { |
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18 return ''; |
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19 } |
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20 |
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21 if ( post_password_required( $block->context['postId'] ) ) { |
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22 return; |
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23 } |
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24 |
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25 $classes = 'comment-respond'; // See comment further below. |
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26 if ( isset( $attributes['textAlign'] ) ) { |
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27 $classes .= ' has-text-align-' . $attributes['textAlign']; |
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28 } |
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29 |
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30 $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $classes ) ); |
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31 |
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32 add_filter( 'comment_form_defaults', 'post_comments_form_block_form_defaults' ); |
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33 |
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34 ob_start(); |
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35 comment_form( array(), $block->context['postId'] ); |
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36 $form = ob_get_clean(); |
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37 |
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38 remove_filter( 'comment_form_defaults', 'post_comments_form_block_form_defaults' ); |
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39 |
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40 // We use the outermost wrapping `<div />` returned by `comment_form()` |
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41 // which is identified by its default classname `comment-respond` to inject |
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42 // our wrapper attributes. This way, it is guaranteed that all styling applied |
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43 // to the block is carried along when the comment form is moved to the location |
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44 // of the 'Reply' link that the user clicked by Core's `comment-reply.js` script. |
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45 $form = str_replace( 'class="comment-respond"', $wrapper_attributes, $form ); |
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46 |
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47 // Enqueue the comment-reply script. |
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48 wp_enqueue_script( 'comment-reply' ); |
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49 |
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50 return $form; |
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51 } |
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52 |
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53 /** |
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54 * Registers the `core/post-comments-form` block on the server. |
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55 */ |
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56 function register_block_core_post_comments_form() { |
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57 register_block_type_from_metadata( |
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58 __DIR__ . '/post-comments-form', |
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59 array( |
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60 'render_callback' => 'render_block_core_post_comments_form', |
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61 ) |
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62 ); |
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63 } |
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64 add_action( 'init', 'register_block_core_post_comments_form' ); |
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65 |
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66 /** |
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67 * Use the button block classes for the form-submit button. |
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68 * |
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69 * @param array $fields The default comment form arguments. |
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70 * |
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71 * @return array Returns the modified fields. |
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72 */ |
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73 function post_comments_form_block_form_defaults( $fields ) { |
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74 if ( wp_is_block_theme() ) { |
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75 $fields['submit_button'] = '<input name="%1$s" type="submit" id="%2$s" class="%3$s wp-block-button__link" value="%4$s" />'; |
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76 $fields['submit_field'] = '<p class="form-submit wp-block-button">%1$s %2$s</p>'; |
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77 } |
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78 |
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79 return $fields; |
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80 } |