charitable / includes / admin / class-charitable-meta-box-helper.php

class-charitable-meta-box-helper.php in Charitable – Donation & Fundraising Platform (Donation Forms, Recurring Donations & Fundraising Campaigns) 1.6.60, at includes/admin/class-charitable-meta-box-helper.php

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1	<?php
2	/**
3	* Charitable Meta Box Helper
4	*
5	* @package Charitable/Classes/Charitable_Meta_Box_Helper
6	* @author Eric Daams
7	* @copyright Copyright (c) 2022, Studio 164a
8	* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
9	* @since 1.0.0
10	* @version 1.0.0
11	*/
12
13	// Exit if accessed directly.
14	if ( ! defined( 'ABSPATH' ) ) {
15	exit;
16	}
17
18	if ( ! class_exists( 'Charitable_Meta_Box_Helper' ) ) :
19
20	/**
21	* Charitable Meta Box Helper
22	*
23	* @since 1.0.0
24	*/
25	class Charitable_Meta_Box_Helper {
26
27	/**
28	* Nonce action.
29	*
30	* @since 1.0.0
31	*
32	* @var string
33	*/
34	protected $nonce_action;
35
36	/**
37	* Nonce name.
38	*
39	* @since 1.0.0
40	*
41	* @var string
42	*/
43	protected $nonce_name = '_charitable_nonce';
44
45	/**
46	* Whether nonce has been added.
47	*
48	* @since 1.0.0
49	*
50	* @var boolean
51	*/
52	protected $nonce_added = false;
53
54	/**
55	* Create a helper instance.
56	*
57	* @since 1.0.0
58	*
59	* @global WP_Post $post
60	* @param string $nonce_action Action for the nonce.
61	*/
62	public function __construct( $nonce_action = 'charitable' ) {
63	$this->nonce_action = $nonce_action;
64	}
65
66	/**
67	* Metabox callback wrapper.
68	*
69	* Every meta box is registered with this method as its callback,
70	* and then delegates to the appropriate view.
71	*
72	* @since 1.0.0
73	*
74	* @param WP_Post $post The post object.
75	* @param array $args The arguments passed to the meta box, including the view to render.
76	* @return void
77	*/
78	public function metabox_display( WP_Post $post, array $args ) {
79	if ( ! isset( $args['args']['view'] ) ) {
80	return;
81	}
82
83	$view_args = $args['args'];
84
85	unset( $view_args['view'] );
86
87	$this->display( $args['args']['view'], $view_args );
88	}
89
90	/**
91	* Display a metabox with the given view.
92	*
93	* @since 1.0.0
94	*
95	* @param string $view The view to render.
96	* @param array $view_args Arguments to pass to the view.
97	* @return void
98	*/
99	public function display( $view, $view_args ) {
100	/**
101	* Set the nonce.
102	*/
103	if ( false === $this->nonce_added ) {
104
105	wp_nonce_field( $this->nonce_action, $this->nonce_name );
106
107	$this->nonce_added = true;
108	}
109
110	do_action( 'charitable_metabox_before', $view, $view_args );
111
112	charitable_admin_view( $view, $view_args );
113
114	do_action( 'charitable_metabox_after', $view, $view_args );
115	}
116
117	/**
118	* Display the fields to show inside a metabox.
119	*
120	* The fields parameter should contain an array of fields,
121	* all of which are arrays with a 'priority' key and a 'view'
122	* key.
123	*
124	* @since 1.0.0
125	*
126	* @param array $fields The set of fields to be displayed.
127	* @return void
128	*/
129	public function display_fields( array $fields ) {
130	$form = new Charitable_Admin_Form();
131	$form->set_fields( $fields );
132	$form->view()->render_fields();
133	}
134
135	/**
136	* Verifies that the user who is currently logged in has permission to save the data
137	* from the meta box to the database.
138	*
139	* Hat tip Tom McFarlin: http://tommcfarlin.com/wordpress-meta-boxes-each-component/
140	*
141	* @since 1.0.0
142	*
143	* @param integer $post_id The current post being saved.
144	* @return boolean True if the user can save the information.
145	*/
146	public function user_can_save( $post_id ) {
147	$is_autosave = wp_is_post_autosave( $post_id );
148	$is_revision = wp_is_post_revision( $post_id );
149	$is_valid_nonce = ( isset( $_POST[ $this->nonce_name ] ) && wp_verify_nonce( $_POST[ $this->nonce_name ], $this->nonce_action ) );
150
151	return ! ( $is_autosave \|\| $is_revision ) && $is_valid_nonce;
152	}
153	}
154
155	endif;
156