class-custom-body-class.php — Admin and Site Enhancements (ASE) 7.2.0

admin-site-enhancements / classes / class-custom-body-class.php

admin-site-enhancements / classes Last commit date

class-custom-body-class.php

116 lines

1	<?php
2
3	namespace ASENHA\Classes;
4
5	/**
6	* Class for Custom Body Class module
7	*
8	* @since 6.9.5
9	*/
10	class Custom_Body_Class {
11
12	/**
13	* Add Custom Body Class meta box for enabled post types
14	*
15	* @since 3.9.0
16	*/
17	public function add_custom_body_class_meta_box( $post_type, $post ) {
18
19	$options = get_option( ASENHA_SLUG_U, array() );
20	$enable_custom_body_class_for = $options['enable_custom_body_class_for'];
21
22	foreach ( $enable_custom_body_class_for as $post_type_slug => $is_custom_body_class_enabled ) {
23	if ( ( get_post_type() == $post_type_slug ) && $is_custom_body_class_enabled ) {
24
25	// Skip adding meta box for post types where Gutenberg is enabled
26	// if (
27	// function_exists( 'use_block_editor_for_post_type' )
28	// && use_block_editor_for_post_type( $post_type_slug )
29	// ) {
30	// continue; // go to the beginning of next iteration
31	// }
32
33	add_meta_box(
34	'asenha-custom-body-class', // ID of meta box
35	'Custom <body> Class', // Title of meta box
36	[ $this, 'output_custom_body_class_meta_box' ], // Callback function
37	$post_type_slug, // The screen on which the meta box should be output to
38	'normal', // context
39	'high' // priority
40	// array(), // $args to pass to callback function. Ref: https://developer.wordpress.org/reference/functions/add_meta_box/#comment-342
41	);
42
43	}
44	}
45
46	}
47
48	/**
49	* Render External Permalink meta box
50	*
51	* @since 3.9.0
52	*/
53	public function output_custom_body_class_meta_box( $post ) {
54	?>
55	<div class="custom-body-class-input">
56	<input name="<?php echo esc_attr( 'custom_body_class' ); ?>" class="large-text" id="<?php echo esc_attr( 'custom_body_class' ); ?>" type="text" value="<?php echo esc_attr( get_post_meta( $post->ID, '_custom_body_class', true ) ); ?>" placeholder="e.g. light-theme new-year-promo" />
57	<div class="custom-body-class-input-description">Use blank space to separate multiple classes, e.g. first-class second-class</div>
58	<?php wp_nonce_field( 'custom_body_class_' . $post->ID, 'custom_body_class_nonce', false, true ); ?>
59	</div>
60	<?php
61	}
62
63	/**
64	* Save custom body class input
65	*
66	* @since 3.9.0
67	*/
68	public function save_custom_body_class( $post_id ) {
69
70	// Only proceed if nonce is verified
71	if ( isset( $_POST['custom_body_class_nonce'] ) && wp_verify_nonce( $_POST['custom_body_class_nonce'], 'custom_body_class_' . $post_id ) ) {
72
73	// Get the value of external permalink from input field
74	$custom_body_class = isset( $_POST['custom_body_class'] ) ? sanitize_text_field( trim( $_POST['custom_body_class'] ) ) : '';
75
76	// Update or delete external permalink post meta
77	if ( ! empty( $custom_body_class ) ) {
78	update_post_meta( $post_id, '_custom_body_class', $custom_body_class );
79	} else {
80	delete_post_meta( $post_id, '_custom_body_class' );
81	}
82
83	}
84
85	}
86
87	/**
88	* Append custom body classes to the frontend <body> tag
89	*
90	* @since 4.4.0
91	*/
92	public function append_custom_body_class( $classes ) {
93
94	// Only add custom body classes to the singular view of enabled post types
95	if ( is_singular() ) {
96
97	global $post;
98	$custom_body_classes = get_post_meta( $post->ID, '_custom_body_class', true );
99
100	if ( ! empty( $custom_body_classes ) ) {
101
102	$custom_body_classes = explode( ' ', $custom_body_classes );
103
104	foreach( $custom_body_classes as $custom_body_class ) {
105	$classes[] = sanitize_html_class( $custom_body_class );
106	}
107
108	}
109
110	}
111
112	return $classes;
113
114	}
115
116	}