groups / lib / admin / class-groups-admin-post-columns.php

class-groups-admin-post-columns.php in Groups – Memberships and Access Control 1.11.2, at lib/admin/class-groups-admin-post-columns.php

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1	<?php
2	/**
3	* class-groups-admin-custom-posts.php
4	*
5	* Copyright (c) 2012 "kento" Karim Rahimpur www.itthinx.com
6	*
7	* This code is released under the GNU General Public License.
8	* See COPYRIGHT.txt and LICENSE.txt.
9	*
10	* This code is distributed in the hope that it will be useful,
11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13	* GNU General Public License for more details.
14	*
15	* This header and all notices must be kept intact.
16	*
17	* @author Antonio Blanco
18	* @package groups
19	* @since groups 1.4.2
20	*/
21
22	if ( !defined( 'ABSPATH' ) ) {
23	exit;
24	}
25
26	/**
27	* Post column extensions.
28	*/
29	class Groups_Admin_Post_Columns {
30
31	const CAPABILITIES = 'capabilities';
32
33	/**
34	* Adds an admin_init action.
35	*/
36	public static function init() {
37	add_action( 'admin_init', array( __CLASS__, 'admin_init' ) );
38	}
39
40	/**
41	* Adds the filters and actions only for users who have the right
42	* Groups permissions and for the post types that have access
43	* restrictions enabled.
44	*/
45	public static function admin_init() {
46	if ( current_user_can( GROUPS_ACCESS_GROUPS ) ) {
47	$post_types = get_post_types( array( 'public' => true ) );
48	$post_types_option = Groups_Options::get_option( Groups_Post_Access::POST_TYPES, array() );
49	foreach ( $post_types as $post_type ) {
50	if ( !isset( $post_types_option[$post_type]['add_meta_box'] ) \|\| $post_types_option[$post_type]['add_meta_box'] ) {
51	if ( ( $post_type == 'attachment' ) ) {
52	// filters to display the media's access restriction capabilities
53	add_filter( 'manage_media_columns', array( __CLASS__, 'columns' ) );
54	// args: string $column_name, int $media_id
55	add_action( 'manage_media_custom_column', array( __CLASS__, 'custom_column' ), 10, 2 );
56	} else {
57	// filters to display the posts' access restriction capabilities
58	add_filter( 'manage_' . $post_type . '_posts_columns', array( __CLASS__, 'columns' ) );
59	// args: string $column_name, int $post_id
60	add_action( 'manage_' . $post_type . '_posts_custom_column', array( __CLASS__, 'custom_column' ), 10, 2 );
61	}
62	}
63	}
64	}
65	}
66
67	/**
68	* Adds a new column to the post type's table showing the access
69	* restriction capabilities.
70	*
71	* @param array $column_headers
72	* @return array column headers
73	*/
74	public static function columns( $column_headers ) {
75	$column_headers[self::CAPABILITIES] = sprintf(
76	__( '<span title="%s">Access Restrictions</span>', GROUPS_PLUGIN_DOMAIN ),
77	esc_attr( __( 'One or more capabilities required to read the entry.', GROUPS_PLUGIN_DOMAIN ) )
78	);
79	return $column_headers;
80	}
81
82	/**
83	* Renders custom column content.
84	*
85	* @param string $column_name
86	* @param int $post_id
87	* @return string custom column content
88	*/
89	public static function custom_column( $column_name, $post_id ) {
90	$output = '';
91	switch ( $column_name ) {
92	case self::CAPABILITIES :
93	$read_caps = get_post_meta( $post_id, Groups_Post_Access::POSTMETA_PREFIX . Groups_Post_Access::READ_POST_CAPABILITY );
94	$valid_read_caps = Groups_Options::get_option( Groups_Post_Access::READ_POST_CAPABILITIES, array( Groups_Post_Access::READ_POST_CAPABILITY ) );
95	if ( count( $valid_read_caps ) > 0 ) {
96	sort( $valid_read_caps );
97	$output = '<ul>';
98	foreach( $valid_read_caps as $valid_read_cap ) {
99	if ( $capability = Groups_Capability::read_by_capability( $valid_read_cap ) ) {
100	if ( in_array( $valid_read_cap, $read_caps ) ) {
101	$output .= '<li>';
102	$output .= wp_strip_all_tags( $capability->capability );
103	$output .= '</li>';
104	}
105	}
106	}
107	$output .= '</ul>';
108	} else {
109	$output .= '';
110	}
111	break;
112	}
113	echo $output;
114	}
115	}
116	Groups_Admin_Post_Columns::init();
117