wp-ultimate-post-grid / includes / public / class-wpupg-meta-box.php

class-wpupg-meta-box.php in WP Ultimate Post Grid 4.0.1, at includes/public/class-wpupg-meta-box.php

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1	<?php
2	/**
3	* Responsible for the grid meta box.
4	*
5	* @link https://bootstrapped.ventures
6	* @since 3.0.0
7	*
8	* @package WP_Ultimate_Post_Grid
9	* @subpackage WP_Ultimate_Post_Grid/includes/public
10	*/
11
12	/**
13	* Responsible for the grid meta box.
14	*
15	* @since 3.0.0
16	* @package WP_Ultimate_Post_Grid
17	* @subpackage WP_Ultimate_Post_Grid/includes/public
18	* @author Brecht Vandersmissen <[email protected]>
19	*/
20	class WPUPG_Meta_Box {
21
22	/**
23	* Register actions and filters.
24	*
25	* @since 3.0.0
26	*/
27	public static function init() {
28	add_action( 'init', array( __CLASS__, 'meta_fields_in_rest' ) );
29	add_action( 'admin_init', array( __CLASS__, 'add_meta_box' ) );
30
31	add_action( 'edit_attachment', array( __CLASS__, 'save_attachment' ) );
32	add_action( 'save_post', array( __CLASS__, 'save_post' ), 10, 2 );
33	}
34
35	/**
36	* Register meta fields for the REST API.
37	*
38	* @since 3.0.0
39	*/
40	public static function meta_fields_in_rest() {
41	$post_types = WPUPG_Settings::get( 'meta_box_post_types' );
42	$fields = array(
43	'wpupg_custom_link' => 'string',
44	'wpupg_custom_link_behaviour' => 'string',
45	'wpupg_custom_link_nofollow' => 'string',
46	'wpupg_custom_image' => 'string',
47	'wpupg_custom_image_id' => 'integer',
48	);
49
50	foreach( $post_types as $post_type ) {
51	foreach ( $fields as $field => $type ) {
52	register_meta( $post_type, $field, array( 'show_in_rest' => true, 'type' => $type ) );
53	}
54	}
55	}
56
57	/**
58	* Add the meta box.
59	*
60	* @since 3.0.0
61	*/
62	public static function add_meta_box() {
63	$post_types = WPUPG_Settings::get( 'meta_box_post_types' );
64
65	foreach( $post_types as $post_type ) {
66	add_meta_box(
67	'wpupg_meta_box_post',
68	'WP Ultimate Post Grid',
69	array( __CLASS__, 'meta_box' ),
70	$post_type,
71	'normal',
72	'high',
73	array(
74	'__back_compat_meta_box' => true,
75	)
76	);
77	}
78	}
79
80	/**
81	* Meta box content.
82	*
83	* @since 3.0.0
84	*/
85	public static function meta_box() {
86	$post = get_post();
87	include( WPUPG_DIR . 'templates/admin/meta-box.php' );
88	}
89
90	/**
91	* Save meta box fields when saving attachment.
92	*
93	* @since 3.0.0
94	* @param int $post_id ID of the attachment getting saved.
95	*/
96	public static function save_attachment( $post_id ) {
97	$post = get_post( $post_id );
98	self::save_post( $post_id, $post );
99	}
100
101	/**
102	* Save meta box fields when saving post.
103	*
104	* @since 3.0.0
105	* @param int $post_id ID of the post getting saved.
106	* @param mixed $post Post object getting saved.
107	*/
108	public static function save_post( $post_id, $post ) {
109	if ( $post->post_type !== WPUPG_POST_TYPE ) {
110	if ( ! isset( $_POST['wpupg_nonce'] ) \|\| ! wp_verify_nonce( $_POST['wpupg_nonce'], 'grid' ) ) {
111	return;
112	}
113
114	// Meta fields.
115	$fields = array(
116	'wpupg_custom_link',
117	'wpupg_custom_link_behaviour',
118	'wpupg_custom_link_nofollow',
119	'wpupg_custom_image',
120	'wpupg_custom_image_id',
121	);
122
123	foreach ( $fields as $field ) {
124	$old = get_post_meta( $post_id, $field, true );
125	$new = isset( $_POST[$field] ) ? $_POST[$field] : null;
126
127	// Update or delete meta data if changed.
128	if ( isset( $new ) && $new !== $old ) {
129	update_post_meta( $post_id, $field, $new );
130	} elseif ( $new == '' && $old ) {
131	delete_post_meta( $post_id, $field, $old );
132	}
133	}
134	}
135	}
136	}
137
138	WPUPG_Meta_Box::init();
139