WordPress 4.0
[autoinstalls/wordpress.git] / wp-admin / nav-menus.php
1 <?php
2 /**
3  * WordPress Administration for Navigation Menus
4  * Interface functions
5  *
6  * @version 2.0.0
7  *
8  * @package WordPress
9  * @subpackage Administration
10  */
11
12 /** Load WordPress Administration Bootstrap */
13 require_once( dirname( __FILE__ ) . '/admin.php' );
14
15 // Load all the nav menu interface functions
16 require_once( ABSPATH . 'wp-admin/includes/nav-menu.php' );
17
18 if ( ! current_theme_supports( 'menus' ) && ! current_theme_supports( 'widgets' ) )
19         wp_die( __( 'Your theme does not support navigation menus or widgets.' ) );
20
21 // Permissions Check
22 if ( ! current_user_can('edit_theme_options') )
23         wp_die( __( 'Cheatin&#8217; uh?' ) );
24
25 wp_enqueue_script( 'nav-menu' );
26
27 if ( wp_is_mobile() )
28         wp_enqueue_script( 'jquery-touch-punch' );
29
30 // Container for any messages displayed to the user
31 $messages = array();
32
33 // Container that stores the name of the active menu
34 $nav_menu_selected_title = '';
35
36 // The menu id of the current menu being edited
37 $nav_menu_selected_id = isset( $_REQUEST['menu'] ) ? (int) $_REQUEST['menu'] : 0;
38
39 // Get existing menu locations assignments
40 $locations = get_registered_nav_menus();
41 $menu_locations = get_nav_menu_locations();
42 $num_locations = count( array_keys( $locations ) );
43
44 // Allowed actions: add, update, delete
45 $action = isset( $_REQUEST['action'] ) ? $_REQUEST['action'] : 'edit';
46
47 switch ( $action ) {
48         case 'add-menu-item':
49                 check_admin_referer( 'add-menu_item', 'menu-settings-column-nonce' );
50                 if ( isset( $_REQUEST['nav-menu-locations'] ) )
51                         set_theme_mod( 'nav_menu_locations', array_map( 'absint', $_REQUEST['menu-locations'] ) );
52                 elseif ( isset( $_REQUEST['menu-item'] ) )
53                         wp_save_nav_menu_items( $nav_menu_selected_id, $_REQUEST['menu-item'] );
54                 break;
55         case 'move-down-menu-item' :
56
57                 // Moving down a menu item is the same as moving up the next in order.
58                 check_admin_referer( 'move-menu_item' );
59                 $menu_item_id = isset( $_REQUEST['menu-item'] ) ? (int) $_REQUEST['menu-item'] : 0;
60                 if ( is_nav_menu_item( $menu_item_id ) ) {
61                         $menus = isset( $_REQUEST['menu'] ) ? array( (int) $_REQUEST['menu'] ) : wp_get_object_terms( $menu_item_id, 'nav_menu', array( 'fields' => 'ids' ) );
62                         if ( ! is_wp_error( $menus ) && ! empty( $menus[0] ) ) {
63                                 $menu_id = (int) $menus[0];
64                                 $ordered_menu_items = wp_get_nav_menu_items( $menu_id );
65                                 $menu_item_data = (array) wp_setup_nav_menu_item( get_post( $menu_item_id ) );
66
67                                 // Set up the data we need in one pass through the array of menu items.
68                                 $dbids_to_orders = array();
69                                 $orders_to_dbids = array();
70                                 foreach( (array) $ordered_menu_items as $ordered_menu_item_object ) {
71                                         if ( isset( $ordered_menu_item_object->ID ) ) {
72                                                 if ( isset( $ordered_menu_item_object->menu_order ) ) {
73                                                         $dbids_to_orders[$ordered_menu_item_object->ID] = $ordered_menu_item_object->menu_order;
74                                                         $orders_to_dbids[$ordered_menu_item_object->menu_order] = $ordered_menu_item_object->ID;
75                                                 }
76                                         }
77                                 }
78
79                                 // Get next in order.
80                                 if (
81                                         isset( $orders_to_dbids[$dbids_to_orders[$menu_item_id] + 1] )
82                                 ) {
83                                         $next_item_id = $orders_to_dbids[$dbids_to_orders[$menu_item_id] + 1];
84                                         $next_item_data = (array) wp_setup_nav_menu_item( get_post( $next_item_id ) );
85
86                                         // If not siblings of same parent, bubble menu item up but keep order.
87                                         if (
88                                                 ! empty( $menu_item_data['menu_item_parent'] ) &&
89                                                 (
90                                                         empty( $next_item_data['menu_item_parent'] ) ||
91                                                         $next_item_data['menu_item_parent'] != $menu_item_data['menu_item_parent']
92                                                 )
93                                         ) {
94
95                                                 $parent_db_id = in_array( $menu_item_data['menu_item_parent'], $orders_to_dbids ) ? (int) $menu_item_data['menu_item_parent'] : 0;
96
97                                                 $parent_object = wp_setup_nav_menu_item( get_post( $parent_db_id ) );
98
99                                                 if ( ! is_wp_error( $parent_object ) ) {
100                                                         $parent_data = (array) $parent_object;
101                                                         $menu_item_data['menu_item_parent'] = $parent_data['menu_item_parent'];
102                                                         update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
103
104                                                 }
105
106                                         // Make menu item a child of its next sibling.
107                                         } else {
108                                                 $next_item_data['menu_order'] = $next_item_data['menu_order'] - 1;
109                                                 $menu_item_data['menu_order'] = $menu_item_data['menu_order'] + 1;
110
111                                                 $menu_item_data['menu_item_parent'] = $next_item_data['ID'];
112                                                 update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
113
114                                                 wp_update_post($menu_item_data);
115                                                 wp_update_post($next_item_data);
116                                         }
117
118                                 // The item is last but still has a parent, so bubble up.
119                                 } elseif (
120                                         ! empty( $menu_item_data['menu_item_parent'] ) &&
121                                         in_array( $menu_item_data['menu_item_parent'], $orders_to_dbids )
122                                 ) {
123                                         $menu_item_data['menu_item_parent'] = (int) get_post_meta( $menu_item_data['menu_item_parent'], '_menu_item_menu_item_parent', true);
124                                         update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
125                                 }
126                         }
127                 }
128
129                 break;
130         case 'move-up-menu-item' :
131                 check_admin_referer( 'move-menu_item' );
132                 $menu_item_id = isset( $_REQUEST['menu-item'] ) ? (int) $_REQUEST['menu-item'] : 0;
133                 if ( is_nav_menu_item( $menu_item_id ) ) {
134                         $menus = isset( $_REQUEST['menu'] ) ? array( (int) $_REQUEST['menu'] ) : wp_get_object_terms( $menu_item_id, 'nav_menu', array( 'fields' => 'ids' ) );
135                         if ( ! is_wp_error( $menus ) && ! empty( $menus[0] ) ) {
136                                 $menu_id = (int) $menus[0];
137                                 $ordered_menu_items = wp_get_nav_menu_items( $menu_id );
138                                 $menu_item_data = (array) wp_setup_nav_menu_item( get_post( $menu_item_id ) );
139
140                                 // Set up the data we need in one pass through the array of menu items.
141                                 $dbids_to_orders = array();
142                                 $orders_to_dbids = array();
143                                 foreach( (array) $ordered_menu_items as $ordered_menu_item_object ) {
144                                         if ( isset( $ordered_menu_item_object->ID ) ) {
145                                                 if ( isset( $ordered_menu_item_object->menu_order ) ) {
146                                                         $dbids_to_orders[$ordered_menu_item_object->ID] = $ordered_menu_item_object->menu_order;
147                                                         $orders_to_dbids[$ordered_menu_item_object->menu_order] = $ordered_menu_item_object->ID;
148                                                 }
149                                         }
150                                 }
151
152                                 // If this menu item is not first.
153                                 if ( ! empty( $dbids_to_orders[$menu_item_id] ) && ! empty( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) ) {
154
155                                         // If this menu item is a child of the previous.
156                                         if (
157                                                 ! empty( $menu_item_data['menu_item_parent'] ) &&
158                                                 in_array( $menu_item_data['menu_item_parent'], array_keys( $dbids_to_orders ) ) &&
159                                                 isset( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) &&
160                                                 ( $menu_item_data['menu_item_parent'] == $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] )
161                                         ) {
162                                                 $parent_db_id = in_array( $menu_item_data['menu_item_parent'], $orders_to_dbids ) ? (int) $menu_item_data['menu_item_parent'] : 0;
163                                                 $parent_object = wp_setup_nav_menu_item( get_post( $parent_db_id ) );
164
165                                                 if ( ! is_wp_error( $parent_object ) ) {
166                                                         $parent_data = (array) $parent_object;
167
168                                                         /*
169                                                          * If there is something before the parent and parent a child of it,
170                                                          * make menu item a child also of it.
171                                                          */
172                                                         if (
173                                                                 ! empty( $dbids_to_orders[$parent_db_id] ) &&
174                                                                 ! empty( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1] ) &&
175                                                                 ! empty( $parent_data['menu_item_parent'] )
176                                                         ) {
177                                                                 $menu_item_data['menu_item_parent'] = $parent_data['menu_item_parent'];
178
179                                                         /*
180                                                          * Else if there is something before parent and parent not a child of it,
181                                                          * make menu item a child of that something's parent
182                                                          */
183                                                         } elseif (
184                                                                 ! empty( $dbids_to_orders[$parent_db_id] ) &&
185                                                                 ! empty( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1] )
186                                                         ) {
187                                                                 $_possible_parent_id = (int) get_post_meta( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1], '_menu_item_menu_item_parent', true);
188                                                                 if ( in_array( $_possible_parent_id, array_keys( $dbids_to_orders ) ) )
189                                                                         $menu_item_data['menu_item_parent'] = $_possible_parent_id;
190                                                                 else
191                                                                         $menu_item_data['menu_item_parent'] = 0;
192
193                                                         // Else there isn't something before the parent.
194                                                         } else {
195                                                                 $menu_item_data['menu_item_parent'] = 0;
196                                                         }
197
198                                                         // Set former parent's [menu_order] to that of menu-item's.
199                                                         $parent_data['menu_order'] = $parent_data['menu_order'] + 1;
200
201                                                         // Set menu-item's [menu_order] to that of former parent.
202                                                         $menu_item_data['menu_order'] = $menu_item_data['menu_order'] - 1;
203
204                                                         // Save changes.
205                                                         update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
206                                                         wp_update_post($menu_item_data);
207                                                         wp_update_post($parent_data);
208                                                 }
209
210                                         // Else this menu item is not a child of the previous.
211                                         } elseif (
212                                                 empty( $menu_item_data['menu_order'] ) ||
213                                                 empty( $menu_item_data['menu_item_parent'] ) ||
214                                                 ! in_array( $menu_item_data['menu_item_parent'], array_keys( $dbids_to_orders ) ) ||
215                                                 empty( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) ||
216                                                 $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] != $menu_item_data['menu_item_parent']
217                                         ) {
218                                                 // Just make it a child of the previous; keep the order.
219                                                 $menu_item_data['menu_item_parent'] = (int) $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1];
220                                                 update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
221                                                 wp_update_post($menu_item_data);
222                                         }
223                                 }
224                         }
225                 }
226                 break;
227
228         case 'delete-menu-item':
229                 $menu_item_id = (int) $_REQUEST['menu-item'];
230
231                 check_admin_referer( 'delete-menu_item_' . $menu_item_id );
232
233                 if ( is_nav_menu_item( $menu_item_id ) && wp_delete_post( $menu_item_id, true ) )
234                         $messages[] = '<div id="message" class="updated"><p>' . __('The menu item has been successfully deleted.') . '</p></div>';
235                 break;
236
237         case 'delete':
238                 check_admin_referer( 'delete-nav_menu-' . $nav_menu_selected_id );
239                 if ( is_nav_menu( $nav_menu_selected_id ) ) {
240                         $deletion = wp_delete_nav_menu( $nav_menu_selected_id );
241                 } else {
242                         // Reset the selected menu.
243                         $nav_menu_selected_id = 0;
244                         unset( $_REQUEST['menu'] );
245                 }
246
247                 if ( ! isset( $deletion ) )
248                         break;
249
250                 if ( is_wp_error( $deletion ) )
251                         $messages[] = '<div id="message" class="error"><p>' . $deletion->get_error_message() . '</p></div>';
252                 else
253                         $messages[] = '<div id="message" class="updated"><p>' . __( 'The menu has been successfully deleted.' ) . '</p></div>';
254                 break;
255
256         case 'delete_menus':
257                 check_admin_referer( 'nav_menus_bulk_actions' );
258                 foreach ( $_REQUEST['delete_menus'] as $menu_id_to_delete ) {
259                         if ( ! is_nav_menu( $menu_id_to_delete ) )
260                                 continue;
261
262                         $deletion = wp_delete_nav_menu( $menu_id_to_delete );
263                         if ( is_wp_error( $deletion ) ) {
264                                 $messages[] = '<div id="message" class="error"><p>' . $deletion->get_error_message() . '</p></div>';
265                                 $deletion_error = true;
266                         }
267                 }
268
269                 if ( empty( $deletion_error ) )
270                         $messages[] = '<div id="message" class="updated"><p>' . __( 'Selected menus have been successfully deleted.' ) . '</p></div>';
271                 break;
272
273         case 'update':
274                 check_admin_referer( 'update-nav_menu', 'update-nav-menu-nonce' );
275
276                 // Remove menu locations that have been unchecked.
277                 foreach ( $locations as $location => $description ) {
278                         if ( ( empty( $_POST['menu-locations'] ) || empty( $_POST['menu-locations'][ $location ] ) ) && isset( $menu_locations[ $location ] ) && $menu_locations[ $location ] == $nav_menu_selected_id )
279                                 unset( $menu_locations[ $location ] );
280                 }
281
282                 // Merge new and existing menu locations if any new ones are set.
283                 if ( isset( $_POST['menu-locations'] ) ) {
284                         $new_menu_locations = array_map( 'absint', $_POST['menu-locations'] );
285                         $menu_locations = array_merge( $menu_locations, $new_menu_locations );
286                 }
287
288                 // Set menu locations.
289                 set_theme_mod( 'nav_menu_locations', $menu_locations );
290
291                 // Add Menu.
292                 if ( 0 == $nav_menu_selected_id ) {
293                         $new_menu_title = trim( esc_html( $_POST['menu-name'] ) );
294
295                         if ( $new_menu_title ) {
296                                 $_nav_menu_selected_id = wp_update_nav_menu_object( 0, array('menu-name' => $new_menu_title) );
297
298                                 if ( is_wp_error( $_nav_menu_selected_id ) ) {
299                                         $messages[] = '<div id="message" class="error"><p>' . $_nav_menu_selected_id->get_error_message() . '</p></div>';
300                                 } else {
301                                         $_menu_object = wp_get_nav_menu_object( $_nav_menu_selected_id );
302                                         $nav_menu_selected_id = $_nav_menu_selected_id;
303                                         $nav_menu_selected_title = $_menu_object->name;
304                                         if ( isset( $_REQUEST['menu-item'] ) )
305                                                 wp_save_nav_menu_items( $nav_menu_selected_id, absint( $_REQUEST['menu-item'] ) );
306                                         if ( isset( $_REQUEST['zero-menu-state'] ) ) {
307                                                 // If there are menu items, add them
308                                                 wp_nav_menu_update_menu_items( $nav_menu_selected_id, $nav_menu_selected_title );
309                                                 // Auto-save nav_menu_locations
310                                                 $locations = get_nav_menu_locations();
311                                                 foreach ( $locations as $location => $menu_id ) {
312                                                                 $locations[ $location ] = $nav_menu_selected_id;
313                                                                 break; // There should only be 1
314                                                 }
315                                                 set_theme_mod( 'nav_menu_locations', $locations );
316                                         }
317                                         if ( isset( $_REQUEST['use-location'] ) ) {
318                                                 $locations = get_registered_nav_menus();
319                                                 $menu_locations = get_nav_menu_locations();
320                                                 if ( isset( $locations[ $_REQUEST['use-location'] ] ) )
321                                                         $menu_locations[ $_REQUEST['use-location'] ] = $nav_menu_selected_id;
322                                                 set_theme_mod( 'nav_menu_locations', $menu_locations );
323                                         }
324
325                                         // $messages[] = '<div id="message" class="updated"><p>' . sprintf( __( '<strong>%s</strong> has been created.' ), $nav_menu_selected_title ) . '</p></div>';
326                                         wp_redirect( admin_url( 'nav-menus.php?menu=' . $_nav_menu_selected_id ) );
327                                         exit();
328                                 }
329                         } else {
330                                 $messages[] = '<div id="message" class="error"><p>' . __( 'Please enter a valid menu name.' ) . '</p></div>';
331                         }
332
333                 // Update existing menu.
334                 } else {
335
336                         $_menu_object = wp_get_nav_menu_object( $nav_menu_selected_id );
337
338                         $menu_title = trim( esc_html( $_POST['menu-name'] ) );
339                         if ( ! $menu_title ) {
340                                 $messages[] = '<div id="message" class="error"><p>' . __( 'Please enter a valid menu name.' ) . '</p></div>';
341                                 $menu_title = $_menu_object->name;
342                         }
343
344                         if ( ! is_wp_error( $_menu_object ) ) {
345                                 $_nav_menu_selected_id = wp_update_nav_menu_object( $nav_menu_selected_id, array( 'menu-name' => $menu_title ) );
346                                 if ( is_wp_error( $_nav_menu_selected_id ) ) {
347                                         $_menu_object = $_nav_menu_selected_id;
348                                         $messages[] = '<div id="message" class="error"><p>' . $_nav_menu_selected_id->get_error_message() . '</p></div>';
349                                 } else {
350                                         $_menu_object = wp_get_nav_menu_object( $_nav_menu_selected_id );
351                                         $nav_menu_selected_title = $_menu_object->name;
352                                 }
353                         }
354
355                         // Update menu items.
356                         if ( ! is_wp_error( $_menu_object ) ) {
357                                 $messages = array_merge( $messages, wp_nav_menu_update_menu_items( $nav_menu_selected_id, $nav_menu_selected_title ) );
358                         }
359                 }
360                 break;
361         case 'locations':
362                 if ( ! $num_locations ) {
363                         wp_redirect( admin_url( 'nav-menus.php' ) );
364                         exit();
365                 }
366
367                 add_filter( 'screen_options_show_screen', '__return_false' );
368
369                 if ( isset( $_POST['menu-locations'] ) ) {
370                         check_admin_referer( 'save-menu-locations' );
371
372                         $new_menu_locations = array_map( 'absint', $_POST['menu-locations'] );
373                         $menu_locations = array_merge( $menu_locations, $new_menu_locations );
374                         // Set menu locations
375                         set_theme_mod( 'nav_menu_locations', $menu_locations );
376
377                         $messages[] = '<div id="message" class="updated"><p>' . __( 'Menu locations updated.' ) . '</p></div>';
378                 }
379                 break;
380 }
381
382 // Get all nav menus.
383 $nav_menus = wp_get_nav_menus( array('orderby' => 'name') );
384 $menu_count = count( $nav_menus );
385
386 // Are we on the add new screen?
387 $add_new_screen = ( isset( $_GET['menu'] ) && 0 == $_GET['menu'] ) ? true : false;
388
389 $locations_screen = ( isset( $_GET['action'] ) && 'locations' == $_GET['action'] ) ? true : false;
390
391 /*
392  * If we have one theme location, and zero menus, we take them right
393  * into editing their first menu.
394  */
395 $page_count = wp_count_posts( 'page' );
396 $one_theme_location_no_menus = ( 1 == count( get_registered_nav_menus() ) && ! $add_new_screen && empty( $nav_menus ) && ! empty( $page_count->publish ) ) ? true : false;
397
398 $nav_menus_l10n = array(
399         'oneThemeLocationNoMenus' => $one_theme_location_no_menus,
400         'moveUp'       => __( 'Move up one' ),
401         'moveDown'     => __( 'Move down one' ),
402         'moveToTop'    => __( 'Move to the top' ),
403         /* translators: %s: previous item name */
404         'moveUnder'    => __( 'Move under %s' ),
405         /* translators: %s: previous item name */
406         'moveOutFrom'  => __( 'Move out from under %s' ),
407         /* translators: %s: previous item name */
408         'under'        => __( 'Under %s' ),
409         /* translators: %s: previous item name */
410         'outFrom'      => __( 'Out from under %s' ),
411         /* translators: 1: item name, 2: item position, 3: total number of items */
412         'menuFocus'    => __( '%1$s. Menu item %2$d of %3$d.' ),
413         /* translators: 1: item name, 2: item position, 3: parent item name */
414         'subMenuFocus' => __( '%1$s. Sub item number %2$d under %3$s.' ),
415 );
416 wp_localize_script( 'nav-menu', 'menus', $nav_menus_l10n );
417
418 /*
419  * Redirect to add screen if there are no menus and this users has either zero,
420  * or more than 1 theme locations.
421  */
422 if ( 0 == $menu_count && ! $add_new_screen && ! $one_theme_location_no_menus )
423         wp_redirect( admin_url( 'nav-menus.php?action=edit&menu=0' ) );
424
425 // Get recently edited nav menu.
426 $recently_edited = absint( get_user_option( 'nav_menu_recently_edited' ) );
427 if ( empty( $recently_edited ) && is_nav_menu( $nav_menu_selected_id ) )
428         $recently_edited = $nav_menu_selected_id;
429
430 // Use $recently_edited if none are selected.
431 if ( empty( $nav_menu_selected_id ) && ! isset( $_GET['menu'] ) && is_nav_menu( $recently_edited ) )
432         $nav_menu_selected_id = $recently_edited;
433
434 // On deletion of menu, if another menu exists, show it.
435 if ( ! $add_new_screen && 0 < $menu_count && isset( $_GET['action'] ) && 'delete' == $_GET['action'] )
436         $nav_menu_selected_id = $nav_menus[0]->term_id;
437
438 // Set $nav_menu_selected_id to 0 if no menus.
439 if ( $one_theme_location_no_menus ) {
440         $nav_menu_selected_id = 0;
441 } elseif ( empty( $nav_menu_selected_id ) && ! empty( $nav_menus ) && ! $add_new_screen ) {
442         // if we have no selection yet, and we have menus, set to the first one in the list.
443         $nav_menu_selected_id = $nav_menus[0]->term_id;
444 }
445
446 // Update the user's setting.
447 if ( $nav_menu_selected_id != $recently_edited && is_nav_menu( $nav_menu_selected_id ) )
448         update_user_meta( $current_user->ID, 'nav_menu_recently_edited', $nav_menu_selected_id );
449
450 // If there's a menu, get its name.
451 if ( ! $nav_menu_selected_title && is_nav_menu( $nav_menu_selected_id ) ) {
452         $_menu_object = wp_get_nav_menu_object( $nav_menu_selected_id );
453         $nav_menu_selected_title = ! is_wp_error( $_menu_object ) ? $_menu_object->name : '';
454 }
455
456 // Generate truncated menu names.
457 foreach( (array) $nav_menus as $key => $_nav_menu ) {
458         $nav_menus[$key]->truncated_name = wp_html_excerpt( $_nav_menu->name, 40, '&hellip;' );
459 }
460
461 // Retrieve menu locations.
462 if ( current_theme_supports( 'menus' ) ) {
463         $locations = get_registered_nav_menus();
464         $menu_locations = get_nav_menu_locations();
465 }
466
467 /*
468  * Ensure the user will be able to scroll horizontally
469  * by adding a class for the max menu depth.
470  */
471 global $_wp_nav_menu_max_depth;
472 $_wp_nav_menu_max_depth = 0;
473
474 // Calling wp_get_nav_menu_to_edit generates $_wp_nav_menu_max_depth.
475 if ( is_nav_menu( $nav_menu_selected_id ) ) {
476         $menu_items = wp_get_nav_menu_items( $nav_menu_selected_id, array( 'post_status' => 'any' ) );
477         $edit_markup = wp_get_nav_menu_to_edit( $nav_menu_selected_id );
478 }
479
480 function wp_nav_menu_max_depth($classes) {
481         global $_wp_nav_menu_max_depth;
482         return "$classes menu-max-depth-$_wp_nav_menu_max_depth";
483 }
484
485 add_filter('admin_body_class', 'wp_nav_menu_max_depth');
486
487 wp_nav_menu_setup();
488 wp_initial_nav_menu_meta_boxes();
489
490 if ( ! current_theme_supports( 'menus' ) && ! $num_locations )
491         $messages[] = '<div id="message" class="updated"><p>' . sprintf( __( 'Your theme does not natively support menus, but you can use them in sidebars by adding a &#8220;Custom Menu&#8221; widget on the <a href="%s">Widgets</a> screen.' ), admin_url( 'widgets.php' ) ) . '</p></div>';
492
493 if ( ! $locations_screen ) : // Main tab
494         $overview  = '<p>' . __( 'This screen is used for managing your custom navigation menus.' ) . '</p>';
495         $overview .= '<p>' . sprintf( __( 'Menus can be displayed in locations defined by your theme, even used in sidebars by adding a &#8220;Custom Menu&#8221; widget on the <a href="%1$s">Widgets</a> screen. If your theme does not support the custom menus feature (the default themes, %2$s and %3$s, do), you can learn about adding this support by following the Documentation link to the side.' ), admin_url( 'widgets.php' ), 'Twenty Fourteen', 'Twenty Thirteen' ) . '</p>';
496         $overview .= '<p>' . __( 'From this screen you can:' ) . '</p>';
497         $overview .= '<ul><li>' . __( 'Create, edit, and delete menus' ) . '</li>';
498         $overview .= '<li>' . __( 'Add, organize, and modify individual menu items' ) . '</li></ul>';
499
500         get_current_screen()->add_help_tab( array(
501                 'id'      => 'overview',
502                 'title'   => __( 'Overview' ),
503                 'content' => $overview
504         ) );
505
506         $menu_management  = '<p>' . __( 'The menu management box at the top of the screen is used to control which menu is opened in the editor below.' ) . '</p>';
507         $menu_management .= '<ul><li>' . __( 'To edit an existing menu, <strong>choose a menu from the drop down and click Select</strong>' ) . '</li>';
508         $menu_management .= '<li>' . __( 'If you haven&#8217;t yet created any menus, <strong>click the &#8217;create a new menu&#8217; link</strong> to get started' ) . '</li></ul>';
509         $menu_management .= '<p>' . __( 'You can assign theme locations to individual menus by <strong>selecting the desired settings</strong> at the bottom of the menu editor. To assign menus to all theme locations at once, <strong>visit the Manage Locations tab</strong> at the top of the screen.' ) . '</p>';
510
511         get_current_screen()->add_help_tab( array(
512                 'id'      => 'menu-management',
513                 'title'   => __( 'Menu Management' ),
514                 'content' => $menu_management
515         ) );
516
517         $editing_menus  = '<p>' . __( 'Each custom menu may contain a mix of links to pages, categories, custom URLs or other content types. Menu links are added by selecting items from the expanding boxes in the left-hand column below.' ) . '</p>';
518         $editing_menus .= '<p>' . __( '<strong>Clicking the arrow to the right of any menu item</strong> in the editor will reveal a standard group of settings. Additional settings such as link target, CSS classes, link relationships, and link descriptions can be enabled and disabled via the Screen Options tab.' ) . '</p>';
519         $editing_menus .= '<ul><li>' . __( 'Add one or several items at once by <strong>selecting the checkbox next to each item and clicking Add to Menu</strong>' ) . '</li>';
520         $editing_menus .= '<li>' . __( 'To add a custom link, <strong>expand the Links section, enter a URL and link text, and click Add to Menu</strong>' ) .'</li>';
521         $editing_menus .= '<li>' . __( 'To reorganize menu items, <strong>drag and drop items with your mouse or use your keyboard</strong>. Drag or move a menu item a little to the right to make it a submenu' ) . '</li>';
522         $editing_menus .= '<li>' . __( 'Delete a menu item by <strong>expanding it and clicking the Remove link</strong>' ) . '</li></ul>';
523
524         get_current_screen()->add_help_tab( array(
525                 'id'      => 'editing-menus',
526                 'title'   => __( 'Editing Menus' ),
527                 'content' => $editing_menus
528         ) );
529 else : // Locations Tab.
530         $locations_overview  = '<p>' . __( 'This screen is used for globally assigning menus to locations defined by your theme.' ) . '</p>';
531         $locations_overview .= '<ul><li>' . __( 'To assign menus to one or more theme locations, <strong>select a menu from each location&#8217;s drop down.</strong> When you&#8217;re finished, <strong>click Save Changes</strong>' ) . '</li>';
532         $locations_overview .= '<li>' . __( 'To edit a menu currently assigned to a theme location, <strong>click the adjacent &#8217;Edit&#8217; link</strong>' ) . '</li>';
533         $locations_overview .= '<li>' . __( 'To add a new menu instead of assigning an existing one, <strong>click the &#8217;Use new menu&#8217; link</strong>. Your new menu will be automatically assigned to that theme location' ) . '</li></ul>';
534
535         get_current_screen()->add_help_tab( array(
536                 'id'      => 'locations-overview',
537                 'title'   => __( 'Overview' ),
538                 'content' => $locations_overview
539         ) );
540 endif;
541
542 get_current_screen()->set_help_sidebar(
543         '<p><strong>' . __('For more information:') . '</strong></p>' .
544         '<p>' . __('<a href="http://codex.wordpress.org/Appearance_Menus_Screen" target="_blank">Documentation on Menus</a>') . '</p>' .
545         '<p>' . __('<a href="https://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
546 );
547
548 // Get the admin header.
549 require_once( ABSPATH . 'wp-admin/admin-header.php' );
550 ?>
551 <div class="wrap">
552         <h2 class="nav-tab-wrapper">
553                 <a href="<?php echo admin_url( 'nav-menus.php' ); ?>" class="nav-tab<?php if ( ! isset( $_GET['action'] ) || isset( $_GET['action'] ) && 'locations' != $_GET['action'] ) echo ' nav-tab-active'; ?>"><?php esc_html_e( 'Edit Menus' ); ?></a>
554                 <?php if ( $num_locations && $menu_count ) : ?>
555                         <a href="<?php echo esc_url( add_query_arg( array( 'action' => 'locations' ), admin_url( 'nav-menus.php' ) ) ); ?>" class="nav-tab<?php if ( $locations_screen ) echo ' nav-tab-active'; ?>"><?php esc_html_e( 'Manage Locations' ); ?></a>
556                 <?php endif; ?>
557         </h2>
558         <?php
559         foreach( $messages as $message ) :
560                 echo $message . "\n";
561         endforeach;
562         ?>
563         <?php
564         if ( $locations_screen ) :
565                 echo '<p>' . sprintf( _n( 'Your theme supports %s menu. Select which menu you would like to use.', 'Your theme supports %s menus. Select which menu appears in each location.', $num_locations ), number_format_i18n( $num_locations ) ) . '</p>';
566         ?>
567         <div id="menu-locations-wrap">
568                 <form method="post" action="<?php echo esc_url( add_query_arg( array( 'action' => 'locations' ), admin_url( 'nav-menus.php' ) ) ); ?>">
569                         <table class="widefat fixed" id="menu-locations-table">
570                                 <thead>
571                                 <tr>
572                                         <th scope="col" class="manage-column column-locations"><?php _e( 'Theme Location' ); ?></th>
573                                         <th scope="col" class="manage-column column-menus"><?php _e( 'Assigned Menu' ); ?></th>
574                                 </tr>
575                                 </thead>
576                                 <!--<tfoot>
577                                 <tr>
578                                         <th scope="col" class="manage-column column-locations"><?php _e( 'Theme Location' ); ?></th>
579                                         <th scope="col" class="manage-column column-menus"><?php _e( 'Assigned Menu' ); ?></th>
580                                 </tr>
581                                 </tfoot>-->
582                                 <tbody class="menu-locations">
583                                 <?php foreach ( $locations as $_location => $_name ) { ?>
584                                         <tr id="menu-locations-row">
585                                                 <td class="menu-location-title"><strong><?php echo $_name; ?></strong></td>
586                                                 <td class="menu-location-menus">
587                                                         <select name="menu-locations[<?php echo $_location; ?>]" id="locations-<?php echo $_location; ?>">
588                                                                 <option value="0"><?php printf( '&mdash; %s &mdash;', esc_html__( 'Select a Menu' ) ); ?></option>
589                                                                 <?php foreach ( $nav_menus as $menu ) : ?>
590                                                                         <?php $selected = isset( $menu_locations[$_location] ) && $menu_locations[$_location] == $menu->term_id; ?>
591                                                                         <option <?php if ( $selected ) echo 'data-orig="true"'; ?> <?php selected( $selected ); ?> value="<?php echo $menu->term_id; ?>">
592                                                                                 <?php echo wp_html_excerpt( $menu->name, 40, '&hellip;' ); ?>
593                                                                         </option>
594                                                                 <?php endforeach; ?>
595                                                         </select>
596                                                         <div class="locations-row-links">
597                                                                 <?php if ( isset( $menu_locations[ $_location ] ) && 0 != $menu_locations[ $_location ] ) : ?>
598                                                                 <span class="locations-edit-menu-link">
599                                                                         <a href="<?php echo esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => $menu_locations[$_location] ), admin_url( 'nav-menus.php' ) ) ); ?>">
600                                                                                 <?php _ex( 'Edit', 'menu' ); ?>
601                                                                         </a>
602                                                                 </span>
603                                                                 <?php endif; ?>
604                                                                 <span class="locations-add-menu-link">
605                                                                         <a href="<?php echo esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => 0, 'use-location' => $_location ), admin_url( 'nav-menus.php' ) ) ); ?>">
606                                                                                 <?php _ex( 'Use new menu', 'menu' ); ?>
607                                                                         </a>
608                                                                 </span>
609                                                         </div><!-- #locations-row-links -->
610                                                 </td><!-- .menu-location-menus -->
611                                         </tr><!-- #menu-locations-row -->
612                                 <?php } // foreach ?>
613                                 </tbody>
614                         </table>
615                         <p class="button-controls"><?php submit_button( __( 'Save Changes' ), 'primary left', 'nav-menu-locations', false ); ?></p>
616                         <?php wp_nonce_field( 'save-menu-locations' ); ?>
617                         <input type="hidden" name="menu" id="nav-menu-meta-object-id" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
618                 </form>
619         </div><!-- #menu-locations-wrap -->
620         <?php
621         /**
622          * Fires after the menu locations table is displayed.
623          *
624          * @since 3.6.0
625          */
626         do_action( 'after_menu_locations_table' ); ?>
627         <?php else : ?>
628         <div class="manage-menus">
629                 <?php if ( $menu_count < 2 ) : ?>
630                 <span class="add-edit-menu-action">
631                         <?php printf( __( 'Edit your menu below, or <a href="%s">create a new menu</a>.' ), esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => 0 ), admin_url( 'nav-menus.php' ) ) ) ); ?>
632                 </span><!-- /add-edit-menu-action -->
633                 <?php else : ?>
634                         <form method="get" action="<?php echo admin_url( 'nav-menus.php' ); ?>">
635                         <input type="hidden" name="action" value="edit" />
636                         <label for="menu" class="selected-menu"><?php _e( 'Select a menu to edit:' ); ?></label>
637                         <select name="menu" id="menu">
638                                 <?php if ( $add_new_screen ) : ?>
639                                         <option value="0" selected="selected"><?php _e( '&mdash; Select &mdash;' ); ?></option>
640                                 <?php endif; ?>
641                                 <?php foreach( (array) $nav_menus as $_nav_menu ) : ?>
642                                         <option value="<?php echo esc_attr( $_nav_menu->term_id ); ?>" <?php selected( $_nav_menu->term_id, $nav_menu_selected_id ); ?>>
643                                                 <?php
644                                                 echo esc_html( $_nav_menu->truncated_name ) ;
645
646                                                 if ( ! empty( $menu_locations ) && in_array( $_nav_menu->term_id, $menu_locations ) ) {
647                                                         $locations_assigned_to_this_menu = array();
648                                                         foreach ( array_keys( $menu_locations, $_nav_menu->term_id ) as $menu_location_key ) {
649                                                                 if ( isset( $locations[ $menu_location_key ] ) ) {
650                                                                         $locations_assigned_to_this_menu[] = $locations[ $menu_location_key ];
651                                                                 }
652                                                         }
653
654                                                         /**
655                                                          * Filter the number of locations listed per menu in the drop-down select.
656                                                          *
657                                                          * @since 3.6.0
658                                                          *
659                                                          * @param int $locations Number of menu locations to list. Default 3.
660                                                          */
661                                                         $assigned_locations = array_slice( $locations_assigned_to_this_menu, 0, absint( apply_filters( 'wp_nav_locations_listed_per_menu', 3 ) ) );
662
663                                                         // Adds ellipses following the number of locations defined in $assigned_locations.
664                                                         if ( ! empty( $assigned_locations ) ) {
665                                                                 printf( ' (%1$s%2$s)',
666                                                                         implode( ', ', $assigned_locations ),
667                                                                         count( $locations_assigned_to_this_menu ) > count( $assigned_locations ) ? ' &hellip;' : ''
668                                                                 );
669                                                         }
670                                                 }
671                                                 ?>
672                                         </option>
673                                 <?php endforeach; ?>
674                         </select>
675                         <span class="submit-btn"><input type="submit" class="button-secondary" value="<?php esc_attr_e( 'Select' ); ?>"></span>
676                         <span class="add-new-menu-action">
677                                 <?php printf( __( 'or <a href="%s">create a new menu</a>.' ), esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => 0 ), admin_url( 'nav-menus.php' ) ) ) ); ?>
678                         </span><!-- /add-new-menu-action -->
679                 </form>
680         <?php endif; ?>
681         </div><!-- /manage-menus -->
682         <div id="nav-menus-frame">
683         <div id="menu-settings-column" class="metabox-holder<?php if ( isset( $_GET['menu'] ) && '0' == $_GET['menu'] ) { echo ' metabox-holder-disabled'; } ?>">
684
685                 <div class="clear"></div>
686
687                 <form id="nav-menu-meta" action="" class="nav-menu-meta" method="post" enctype="multipart/form-data">
688                         <input type="hidden" name="menu" id="nav-menu-meta-object-id" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
689                         <input type="hidden" name="action" value="add-menu-item" />
690                         <?php wp_nonce_field( 'add-menu_item', 'menu-settings-column-nonce' ); ?>
691                         <?php do_accordion_sections( 'nav-menus', 'side', null ); ?>
692                 </form>
693
694         </div><!-- /#menu-settings-column -->
695         <div id="menu-management-liquid">
696                 <div id="menu-management">
697                         <form id="update-nav-menu" action="" method="post" enctype="multipart/form-data">
698                                 <div class="menu-edit <?php if ( $add_new_screen ) echo 'blank-slate'; ?>">
699                                         <?php
700                                         wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
701                                         wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );
702                                         wp_nonce_field( 'update-nav_menu', 'update-nav-menu-nonce' );
703
704                                         if ( $one_theme_location_no_menus ) { ?>
705                                                 <input type="hidden" name="zero-menu-state" value="true" />
706                                         <?php } ?>
707                                         <input type="hidden" name="action" value="update" />
708                                         <input type="hidden" name="menu" id="menu" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
709                                         <div id="nav-menu-header">
710                                                 <div class="major-publishing-actions">
711                                                         <label class="menu-name-label howto open-label" for="menu-name">
712                                                                 <span><?php _e( 'Menu Name' ); ?></span>
713                                                                 <input name="menu-name" id="menu-name" type="text" class="menu-name regular-text menu-item-textbox input-with-default-title" title="<?php esc_attr_e( 'Enter menu name here' ); ?>" value="<?php if ( $one_theme_location_no_menus ) _e( 'Menu 1' ); else echo esc_attr( $nav_menu_selected_title ); ?>" />
714                                                         </label>
715                                                         <div class="publishing-action">
716                                                                 <?php submit_button( empty( $nav_menu_selected_id ) ? __( 'Create Menu' ) : __( 'Save Menu' ), 'button-primary menu-save', 'save_menu', false, array( 'id' => 'save_menu_header' ) ); ?>
717                                                         </div><!-- END .publishing-action -->
718                                                 </div><!-- END .major-publishing-actions -->
719                                         </div><!-- END .nav-menu-header -->
720                                         <div id="post-body">
721                                                 <div id="post-body-content">
722                                                         <?php if ( ! $add_new_screen ) : ?>
723                                                         <h3><?php _e( 'Menu Structure' ); ?></h3>
724                                                         <?php $starter_copy = ( $one_theme_location_no_menus ) ? __( 'Edit your default menu by adding or removing items. Drag each item into the order you prefer. Click Create Menu to save your changes.' ) : __( 'Drag each item into the order you prefer. Click the arrow on the right of the item to reveal additional configuration options.' ); ?>
725                                                         <div class="drag-instructions post-body-plain" <?php if ( isset( $menu_items ) && 0 == count( $menu_items ) ) { ?>style="display: none;"<?php } ?>>
726                                                                 <p><?php echo $starter_copy; ?></p>
727                                                         </div>
728                                                         <?php
729                                                         if ( isset( $edit_markup ) && ! is_wp_error( $edit_markup ) ) {
730                                                                 echo $edit_markup;
731                                                         } else {
732                                                         ?>
733                                                         <ul class="menu" id="menu-to-edit"></ul>
734                                                         <?php } ?>
735                                                         <?php endif; ?>
736                                                         <?php if ( $add_new_screen ) : ?>
737                                                                 <p class="post-body-plain"><?php _e( 'Give your menu a name above, then click Create Menu.' ); ?></p>
738                                                                 <?php if ( isset( $_GET['use-location'] ) ) : ?>
739                                                                         <input type="hidden" name="use-location" value="<?php echo esc_attr( $_GET['use-location'] ); ?>" />
740                                                                 <?php endif; ?>
741                                                         <?php endif; ?>
742                                                         <div class="menu-settings" <?php if ( $one_theme_location_no_menus ) { ?>style="display: none;"<?php } ?>>
743                                                                 <h3><?php _e( 'Menu Settings' ); ?></h3>
744                                                                 <?php
745                                                                 if ( ! isset( $auto_add ) ) {
746                                                                         $auto_add = get_option( 'nav_menu_options' );
747                                                                         if ( ! isset( $auto_add['auto_add'] ) )
748                                                                                 $auto_add = false;
749                                                                         elseif ( false !== array_search( $nav_menu_selected_id, $auto_add['auto_add'] ) )
750                                                                                 $auto_add = true;
751                                                                         else
752                                                                                 $auto_add = false;
753                                                                 } ?>
754
755                                                                 <dl class="auto-add-pages">
756                                                                         <dt class="howto"><?php _e( 'Auto add pages' ); ?></dt>
757                                                                         <dd class="checkbox-input"><input type="checkbox"<?php checked( $auto_add ); ?> name="auto-add-pages" id="auto-add-pages" value="1" /> <label for="auto-add-pages"><?php printf( __('Automatically add new top-level pages to this menu' ), esc_url( admin_url( 'edit.php?post_type=page' ) ) ); ?></label></dd>
758                                                                 </dl>
759
760                                                                 <?php if ( current_theme_supports( 'menus' ) ) : ?>
761
762                                                                         <dl class="menu-theme-locations">
763                                                                                 <dt class="howto"><?php _e( 'Theme locations' ); ?></dt>
764                                                                                 <?php foreach ( $locations as $location => $description ) : ?>
765                                                                                 <dd class="checkbox-input">
766                                                                                         <input type="checkbox"<?php checked( isset( $menu_locations[ $location ] ) && $menu_locations[ $location ] == $nav_menu_selected_id ); ?> name="menu-locations[<?php echo esc_attr( $location ); ?>]" id="locations-<?php echo esc_attr( $location ); ?>" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" /> <label for="locations-<?php echo esc_attr( $location ); ?>"><?php echo $description; ?></label>
767                                                                                         <?php if ( ! empty( $menu_locations[ $location ] ) && $menu_locations[ $location ] != $nav_menu_selected_id ) : ?>
768                                                                                         <span class="theme-location-set"> <?php printf( __( "(Currently set to: %s)" ), wp_get_nav_menu_object( $menu_locations[ $location ] )->name ); ?> </span>
769                                                                                         <?php endif; ?>
770                                                                                 </dd>
771                                                                                 <?php endforeach; ?>
772                                                                         </dl>
773
774                                                                 <?php endif; ?>
775
776                                                         </div>
777                                                 </div><!-- /#post-body-content -->
778                                         </div><!-- /#post-body -->
779                                         <div id="nav-menu-footer">
780                                                 <div class="major-publishing-actions">
781                                                         <?php if ( 0 != $menu_count && ! $add_new_screen ) : ?>
782                                                         <span class="delete-action">
783                                                                 <a class="submitdelete deletion menu-delete" href="<?php echo esc_url( wp_nonce_url( add_query_arg( array( 'action' => 'delete', 'menu' => $nav_menu_selected_id, admin_url() ) ), 'delete-nav_menu-' . $nav_menu_selected_id) ); ?>"><?php _e('Delete Menu'); ?></a>
784                                                         </span><!-- END .delete-action -->
785                                                         <?php endif; ?>
786                                                         <div class="publishing-action">
787                                                                 <?php submit_button( empty( $nav_menu_selected_id ) ? __( 'Create Menu' ) : __( 'Save Menu' ), 'button-primary menu-save', 'save_menu', false, array( 'id' => 'save_menu_header' ) ); ?>
788                                                         </div><!-- END .publishing-action -->
789                                                 </div><!-- END .major-publishing-actions -->
790                                         </div><!-- /#nav-menu-footer -->
791                                 </div><!-- /.menu-edit -->
792                         </form><!-- /#update-nav-menu -->
793                 </div><!-- /#menu-management -->
794         </div><!-- /#menu-management-liquid -->
795         </div><!-- /#nav-menus-frame -->
796         <?php endif; ?>
797 </div><!-- /.wrap-->
798 <?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>