Projects : mp-wp : mp-wp_genesis
1 | <?php |
2 | /** |
3 | * Revisions administration panel. |
4 | * |
5 | * @package WordPress |
6 | * @subpackage Administration |
7 | */ |
8 | |
9 | /** WordPress Administration Bootstrap */ |
10 | require_once('admin.php'); |
11 | |
12 | wp_reset_vars(array('revision', 'left', 'right', 'diff', 'action')); |
13 | $revision_id = absint($revision); |
14 | $diff = absint($diff); |
15 | $left = absint($left); |
16 | $right = absint($right); |
17 | |
18 | $parent_file = $redirect = 'edit.php'; |
19 | |
20 | switch ( $action ) : |
21 | case 'delete' : // stubs |
22 | case 'edit' : |
23 | if ( constant('WP_POST_REVISIONS') ) // stub |
24 | $redirect = remove_query_arg( 'action' ); |
25 | else // Revisions disabled |
26 | $redirect = 'edit.php'; |
27 | break; |
28 | case 'restore' : |
29 | if ( !$revision = wp_get_post_revision( $revision_id ) ) |
30 | break; |
31 | if ( !current_user_can( 'edit_post', $revision->post_parent ) ) |
32 | break; |
33 | if ( !$post = get_post( $revision->post_parent ) ) |
34 | break; |
35 | |
36 | if ( !constant('WP_POST_REVISIONS') && !wp_is_post_autosave( $revision ) ) // Revisions disabled and we're not looking at an autosave |
37 | break; |
38 | |
39 | check_admin_referer( "restore-post_$post->ID|$revision->ID" ); |
40 | |
41 | wp_restore_post_revision( $revision->ID ); |
42 | $redirect = add_query_arg( array( 'message' => 5, 'revision' => $revision->ID ), get_edit_post_link( $post->ID, 'url' ) ); |
43 | break; |
44 | case 'diff' : |
45 | if ( !$left_revision = get_post( $left ) ) |
46 | break; |
47 | if ( !$right_revision = get_post( $right ) ) |
48 | break; |
49 | |
50 | if ( !current_user_can( 'read_post', $left_revision->ID ) || !current_user_can( 'read_post', $right_revision->ID ) ) |
51 | break; |
52 | |
53 | // If we're comparing a revision to itself, redirect to the 'view' page for that revision or the edit page for that post |
54 | if ( $left_revision->ID == $right_revision->ID ) { |
55 | $redirect = get_edit_post_link( $left_revision->ID ); |
56 | include( 'js/revisions-js.php' ); |
57 | break; |
58 | } |
59 | |
60 | // Don't allow reverse diffs? |
61 | if ( strtotime($right_revision->post_modified_gmt) < strtotime($left_revision->post_modified_gmt) ) { |
62 | $redirect = add_query_arg( array( 'left' => $right, 'right' => $left ) ); |
63 | break; |
64 | } |
65 | |
66 | if ( $left_revision->ID == $right_revision->post_parent ) // right is a revision of left |
67 | $post =& $left_revision; |
68 | elseif ( $left_revision->post_parent == $right_revision->ID ) // left is a revision of right |
69 | $post =& $right_revision; |
70 | elseif ( $left_revision->post_parent == $right_revision->post_parent ) // both are revisions of common parent |
71 | $post = get_post( $left_revision->post_parent ); |
72 | else |
73 | break; // Don't diff two unrelated revisions |
74 | |
75 | if ( !constant('WP_POST_REVISIONS') ) { // Revisions disabled |
76 | if ( |
77 | // we're not looking at an autosave |
78 | ( !wp_is_post_autosave( $left_revision ) && !wp_is_post_autosave( $right_revision ) ) |
79 | || |
80 | // we're not comparing an autosave to the current post |
81 | ( $post->ID !== $left_revision->ID && $post->ID !== $right_revision->ID ) |
82 | ) |
83 | break; |
84 | } |
85 | |
86 | if ( |
87 | // They're the same |
88 | $left_revision->ID == $right_revision->ID |
89 | || |
90 | // Neither is a revision |
91 | ( !wp_get_post_revision( $left_revision->ID ) && !wp_get_post_revision( $right_revision->ID ) ) |
92 | ) |
93 | break; |
94 | |
95 | $post_title = '<a href="' . get_edit_post_link() . '">' . get_the_title() . '</a>'; |
96 | $h2 = sprintf( __( 'Compare Revisions of “%1$s”' ), $post_title ); |
97 | |
98 | $left = $left_revision->ID; |
99 | $right = $right_revision->ID; |
100 | |
101 | $redirect = false; |
102 | break; |
103 | case 'view' : |
104 | default : |
105 | if ( !$revision = wp_get_post_revision( $revision_id ) ) |
106 | break; |
107 | if ( !$post = get_post( $revision->post_parent ) ) |
108 | break; |
109 | |
110 | if ( !current_user_can( 'read_post', $revision->ID ) || !current_user_can( 'read_post', $post->ID ) ) |
111 | break; |
112 | |
113 | if ( !constant('WP_POST_REVISIONS') && !wp_is_post_autosave( $revision ) ) // Revisions disabled and we're not looking at an autosave |
114 | break; |
115 | |
116 | $post_title = '<a href="' . get_edit_post_link() . '">' . get_the_title() . '</a>'; |
117 | $revision_title = wp_post_revision_title( $revision, false ); |
118 | $h2 = sprintf( __( 'Post Revision for “%1$s” created on %2$s' ), $post_title, $revision_title ); |
119 | |
120 | // Sets up the diff radio buttons |
121 | $left = $revision->ID; |
122 | $right = $post->ID; |
123 | |
124 | $redirect = false; |
125 | break; |
126 | endswitch; |
127 | |
128 | if ( !$redirect && !in_array( $post->post_type, array( 'post', 'page' ) ) ) |
129 | $redirect = 'edit.php'; |
130 | |
131 | if ( $redirect ) { |
132 | wp_redirect( $redirect ); |
133 | exit; |
134 | } |
135 | |
136 | if ( 'page' == $post->post_type ) { |
137 | $submenu_file = 'edit-pages.php'; |
138 | $title = __( 'Page Revisions' ); |
139 | } else { |
140 | $submenu_file = 'edit.php'; |
141 | $title = __( 'Post Revisions' ); |
142 | } |
143 | |
144 | require_once( 'admin-header.php' ); |
145 | |
146 | ?> |
147 | |
148 | <div class="wrap"> |
149 | |
150 | <h2 class="long-header"><?php echo $h2; ?></h2> |
151 | |
152 | <table class="form-table ie-fixed"> |
153 | <col class="th" /> |
154 | <?php if ( 'diff' == $action ) : ?> |
155 | <tr id="revision"> |
156 | <th scope="row"></th> |
157 | <th scope="col" class="th-full"> |
158 | <span class="alignleft"><?php printf( __('Older: %s'), wp_post_revision_title( $left_revision ) ); ?></span> |
159 | <span class="alignright"><?php printf( __('Newer: %s'), wp_post_revision_title( $right_revision ) ); ?></span> |
160 | </th> |
161 | </tr> |
162 | <?php endif; |
163 | |
164 | // use get_post_to_edit filters? |
165 | $identical = true; |
166 | foreach ( _wp_post_revision_fields() as $field => $field_title ) : |
167 | if ( 'diff' == $action ) { |
168 | $left_content = apply_filters( "_wp_post_revision_field_$field", $left_revision->$field, $field ); |
169 | $right_content = apply_filters( "_wp_post_revision_field_$field", $right_revision->$field, $field ); |
170 | if ( !$content = wp_text_diff( $left_content, $right_content ) ) |
171 | continue; // There is no difference between left and right |
172 | $identical = false; |
173 | } else { |
174 | add_filter( "_wp_post_revision_field_$field", 'htmlspecialchars' ); |
175 | $content = apply_filters( "_wp_post_revision_field_$field", $revision->$field, $field ); |
176 | } |
177 | ?> |
178 | |
179 | <tr id="revision-field-<?php echo $field; ?>"> |
180 | <th scope="row"><?php echo wp_specialchars( $field_title ); ?></th> |
181 | <td><div class="pre"><?php echo $content; ?></div></td> |
182 | </tr> |
183 | |
184 | <?php |
185 | |
186 | endforeach; |
187 | |
188 | if ( 'diff' == $action && $identical ) : |
189 | |
190 | ?> |
191 | |
192 | <tr><td colspan="2"><div class="updated"><p><?php _e( 'These revisions are identical.' ); ?></p></div></td></tr> |
193 | |
194 | <?php |
195 | |
196 | endif; |
197 | |
198 | ?> |
199 | |
200 | </table> |
201 | |
202 | <br class="clear" /> |
203 | |
204 | <h2><?php echo $title; ?></h2> |
205 | |
206 | <?php |
207 | |
208 | $args = array( 'format' => 'form-table', 'parent' => true, 'right' => $right, 'left' => $left ); |
209 | if ( !constant( 'WP_POST_REVISIONS' ) ) |
210 | $args['type'] = 'autosave'; |
211 | |
212 | wp_list_post_revisions( $post, $args ); |
213 | |
214 | ?> |
215 | |
216 | </div> |
217 | |
218 | <?php |
219 | |
220 | require_once( 'admin-footer.php' ); |