post-comments-form.php in Gutenberg 23.2.0, at build/scripts/block-library/post-comments-form.php

89 lines 2.8 KB Raw Download Zip

1	<?php
2	/**
3	* Server-side rendering of the `core/post-comments-form` block.
4	*
5	* @package WordPress
6	*/
7
8	/**
9	* Renders the `core/post-comments-form` block on the server.
10	*
11	* @since 6.0.0
12	*
13	* @param array $attributes Block attributes.
14	* @param string $content Block default content.
15	* @param WP_Block $block Block instance.
16	* @return string Returns the filtered post comments form for the current post.
17	*/
18	function gutenberg_render_block_core_post_comments_form( $attributes, $content, $block ) {
19	if ( ! isset( $block->context['postId'] ) ) {
20	return '';
21	}
22
23	if ( post_password_required( $block->context['postId'] ) ) {
24	return;
25	}
26
27	$classes = array( 'comment-respond' ); // See comment further below.
28	if ( isset( $attributes['textAlign'] ) ) {
29	$classes[] = 'has-text-align-' . $attributes['textAlign'];
30	}
31	if ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) {
32	$classes[] = 'has-link-color';
33	}
34	$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classes ) ) );
35
36	add_filter( 'comment_form_defaults', 'gutenberg_post_comments_form_block_form_defaults' );
37
38	ob_start();
39	comment_form( array(), $block->context['postId'] );
40	$form = ob_get_clean();
41
42	remove_filter( 'comment_form_defaults', 'gutenberg_post_comments_form_block_form_defaults' );
43
44	// We use the outermost wrapping `<div />` returned by `comment_form()`
45	// which is identified by its default classname `comment-respond` to inject
46	// our wrapper attributes. This way, it is guaranteed that all styling applied
47	// to the block is carried along when the comment form is moved to the location
48	// of the 'Reply' link that the user clicked by Core's `comment-reply.js` script.
49	$form = str_replace( 'class="comment-respond"', $wrapper_attributes, $form );
50
51	// Enqueue the comment-reply script.
52	wp_enqueue_script( 'comment-reply' );
53
54	return $form;
55	}
56
57	/**
58	* Registers the `core/post-comments-form` block on the server.
59	*
60	* @since 6.0.0
61	*/
62	function gutenberg_register_block_core_post_comments_form() {
63	register_block_type_from_metadata(
64	__DIR__ . '/post-comments-form',
65	array(
66	'render_callback' => 'gutenberg_render_block_core_post_comments_form',
67	)
68	);
69	}
70	add_action( 'init', 'gutenberg_register_block_core_post_comments_form', 20 );
71
72	/**
73	* Use the button block classes for the form-submit button.
74	*
75	* @since 6.0.0
76	*
77	* @param array $fields The default comment form arguments.
78	*
79	* @return array Returns the modified fields.
80	*/
81	function gutenberg_post_comments_form_block_form_defaults( $fields ) {
82	if ( wp_is_block_theme() ) {
83	$fields['submit_button'] = '<input name="%1$s" type="submit" id="%2$s" class="wp-block-button__link ' . wp_theme_get_element_class_name( 'button' ) . '" value="%4$s" />';
84	$fields['submit_field'] = '<p class="form-submit wp-block-button">%1$s %2$s</p>';
85	}
86
87	return $fields;
88	}
89