-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathnav-menus.php
855 lines (747 loc) · 39.8 KB
/
nav-menus.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
<?php
/**
* WordPress Administration for Navigation Menus
* Interface functions
*
* @version 2.0.0
*
* @package WordPress
* @subpackage Administration
*/
/** Load WordPress Administration Bootstrap */
require_once( dirname( __FILE__ ) . '/admin.php' );
// Load all the nav menu interface functions
require_once( ABSPATH . 'wp-admin/includes/nav-menu.php' );
if ( ! current_theme_supports( 'menus' ) && ! current_theme_supports( 'widgets' ) )
wp_die( __( 'Your theme does not support navigation menus or widgets.' ) );
// Permissions Check
if ( ! current_user_can( 'edit_theme_options' ) ) {
wp_die(
'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
'<p>' . __( 'Sorry, you are not allowed to edit theme options on this site.' ) . '</p>',
403
);
}
wp_enqueue_script( 'nav-menu' );
if ( wp_is_mobile() )
wp_enqueue_script( 'jquery-touch-punch' );
// Container for any messages displayed to the user
$messages = array();
// Container that stores the name of the active menu
$nav_menu_selected_title = '';
// The menu id of the current menu being edited
$nav_menu_selected_id = isset( $_REQUEST['menu'] ) ? (int) $_REQUEST['menu'] : 0;
// Get existing menu locations assignments
$locations = get_registered_nav_menus();
$menu_locations = get_nav_menu_locations();
$num_locations = count( array_keys( $locations ) );
// Allowed actions: add, update, delete
$action = isset( $_REQUEST['action'] ) ? $_REQUEST['action'] : 'edit';
/*
* If a JSON blob of navigation menu data is found, expand it and inject it
* into `$_POST` to avoid PHP `max_input_vars` limitations. See #14134.
*/
_wp_expand_nav_menu_post_data();
switch ( $action ) {
case 'add-menu-item':
check_admin_referer( 'add-menu_item', 'menu-settings-column-nonce' );
if ( isset( $_REQUEST['nav-menu-locations'] ) )
set_theme_mod( 'nav_menu_locations', array_map( 'absint', $_REQUEST['menu-locations'] ) );
elseif ( isset( $_REQUEST['menu-item'] ) )
wp_save_nav_menu_items( $nav_menu_selected_id, $_REQUEST['menu-item'] );
break;
case 'move-down-menu-item' :
// Moving down a menu item is the same as moving up the next in order.
check_admin_referer( 'move-menu_item' );
$menu_item_id = isset( $_REQUEST['menu-item'] ) ? (int) $_REQUEST['menu-item'] : 0;
if ( is_nav_menu_item( $menu_item_id ) ) {
$menus = isset( $_REQUEST['menu'] ) ? array( (int) $_REQUEST['menu'] ) : wp_get_object_terms( $menu_item_id, 'nav_menu', array( 'fields' => 'ids' ) );
if ( ! is_wp_error( $menus ) && ! empty( $menus[0] ) ) {
$menu_id = (int) $menus[0];
$ordered_menu_items = wp_get_nav_menu_items( $menu_id );
$menu_item_data = (array) wp_setup_nav_menu_item( get_post( $menu_item_id ) );
// Set up the data we need in one pass through the array of menu items.
$dbids_to_orders = array();
$orders_to_dbids = array();
foreach ( (array) $ordered_menu_items as $ordered_menu_item_object ) {
if ( isset( $ordered_menu_item_object->ID ) ) {
if ( isset( $ordered_menu_item_object->menu_order ) ) {
$dbids_to_orders[$ordered_menu_item_object->ID] = $ordered_menu_item_object->menu_order;
$orders_to_dbids[$ordered_menu_item_object->menu_order] = $ordered_menu_item_object->ID;
}
}
}
// Get next in order.
if (
isset( $orders_to_dbids[$dbids_to_orders[$menu_item_id] + 1] )
) {
$next_item_id = $orders_to_dbids[$dbids_to_orders[$menu_item_id] + 1];
$next_item_data = (array) wp_setup_nav_menu_item( get_post( $next_item_id ) );
// If not siblings of same parent, bubble menu item up but keep order.
if (
! empty( $menu_item_data['menu_item_parent'] ) &&
(
empty( $next_item_data['menu_item_parent'] ) ||
$next_item_data['menu_item_parent'] != $menu_item_data['menu_item_parent']
)
) {
$parent_db_id = in_array( $menu_item_data['menu_item_parent'], $orders_to_dbids ) ? (int) $menu_item_data['menu_item_parent'] : 0;
$parent_object = wp_setup_nav_menu_item( get_post( $parent_db_id ) );
if ( ! is_wp_error( $parent_object ) ) {
$parent_data = (array) $parent_object;
$menu_item_data['menu_item_parent'] = $parent_data['menu_item_parent'];
update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
}
// Make menu item a child of its next sibling.
} else {
$next_item_data['menu_order'] = $next_item_data['menu_order'] - 1;
$menu_item_data['menu_order'] = $menu_item_data['menu_order'] + 1;
$menu_item_data['menu_item_parent'] = $next_item_data['ID'];
update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
wp_update_post($menu_item_data);
wp_update_post($next_item_data);
}
// The item is last but still has a parent, so bubble up.
} elseif (
! empty( $menu_item_data['menu_item_parent'] ) &&
in_array( $menu_item_data['menu_item_parent'], $orders_to_dbids )
) {
$menu_item_data['menu_item_parent'] = (int) get_post_meta( $menu_item_data['menu_item_parent'], '_menu_item_menu_item_parent', true);
update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
}
}
}
break;
case 'move-up-menu-item' :
check_admin_referer( 'move-menu_item' );
$menu_item_id = isset( $_REQUEST['menu-item'] ) ? (int) $_REQUEST['menu-item'] : 0;
if ( is_nav_menu_item( $menu_item_id ) ) {
$menus = isset( $_REQUEST['menu'] ) ? array( (int) $_REQUEST['menu'] ) : wp_get_object_terms( $menu_item_id, 'nav_menu', array( 'fields' => 'ids' ) );
if ( ! is_wp_error( $menus ) && ! empty( $menus[0] ) ) {
$menu_id = (int) $menus[0];
$ordered_menu_items = wp_get_nav_menu_items( $menu_id );
$menu_item_data = (array) wp_setup_nav_menu_item( get_post( $menu_item_id ) );
// Set up the data we need in one pass through the array of menu items.
$dbids_to_orders = array();
$orders_to_dbids = array();
foreach ( (array) $ordered_menu_items as $ordered_menu_item_object ) {
if ( isset( $ordered_menu_item_object->ID ) ) {
if ( isset( $ordered_menu_item_object->menu_order ) ) {
$dbids_to_orders[$ordered_menu_item_object->ID] = $ordered_menu_item_object->menu_order;
$orders_to_dbids[$ordered_menu_item_object->menu_order] = $ordered_menu_item_object->ID;
}
}
}
// If this menu item is not first.
if ( ! empty( $dbids_to_orders[$menu_item_id] ) && ! empty( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) ) {
// If this menu item is a child of the previous.
if (
! empty( $menu_item_data['menu_item_parent'] ) &&
in_array( $menu_item_data['menu_item_parent'], array_keys( $dbids_to_orders ) ) &&
isset( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) &&
( $menu_item_data['menu_item_parent'] == $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] )
) {
$parent_db_id = in_array( $menu_item_data['menu_item_parent'], $orders_to_dbids ) ? (int) $menu_item_data['menu_item_parent'] : 0;
$parent_object = wp_setup_nav_menu_item( get_post( $parent_db_id ) );
if ( ! is_wp_error( $parent_object ) ) {
$parent_data = (array) $parent_object;
/*
* If there is something before the parent and parent a child of it,
* make menu item a child also of it.
*/
if (
! empty( $dbids_to_orders[$parent_db_id] ) &&
! empty( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1] ) &&
! empty( $parent_data['menu_item_parent'] )
) {
$menu_item_data['menu_item_parent'] = $parent_data['menu_item_parent'];
/*
* Else if there is something before parent and parent not a child of it,
* make menu item a child of that something's parent
*/
} elseif (
! empty( $dbids_to_orders[$parent_db_id] ) &&
! empty( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1] )
) {
$_possible_parent_id = (int) get_post_meta( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1], '_menu_item_menu_item_parent', true);
if ( in_array( $_possible_parent_id, array_keys( $dbids_to_orders ) ) )
$menu_item_data['menu_item_parent'] = $_possible_parent_id;
else
$menu_item_data['menu_item_parent'] = 0;
// Else there isn't something before the parent.
} else {
$menu_item_data['menu_item_parent'] = 0;
}
// Set former parent's [menu_order] to that of menu-item's.
$parent_data['menu_order'] = $parent_data['menu_order'] + 1;
// Set menu-item's [menu_order] to that of former parent.
$menu_item_data['menu_order'] = $menu_item_data['menu_order'] - 1;
// Save changes.
update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
wp_update_post($menu_item_data);
wp_update_post($parent_data);
}
// Else this menu item is not a child of the previous.
} elseif (
empty( $menu_item_data['menu_order'] ) ||
empty( $menu_item_data['menu_item_parent'] ) ||
! in_array( $menu_item_data['menu_item_parent'], array_keys( $dbids_to_orders ) ) ||
empty( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) ||
$orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] != $menu_item_data['menu_item_parent']
) {
// Just make it a child of the previous; keep the order.
$menu_item_data['menu_item_parent'] = (int) $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1];
update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
wp_update_post($menu_item_data);
}
}
}
}
break;
case 'delete-menu-item':
$menu_item_id = (int) $_REQUEST['menu-item'];
check_admin_referer( 'delete-menu_item_' . $menu_item_id );
if ( is_nav_menu_item( $menu_item_id ) && wp_delete_post( $menu_item_id, true ) )
$messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __('The menu item has been successfully deleted.') . '</p></div>';
break;
case 'delete':
check_admin_referer( 'delete-nav_menu-' . $nav_menu_selected_id );
if ( is_nav_menu( $nav_menu_selected_id ) ) {
$deletion = wp_delete_nav_menu( $nav_menu_selected_id );
} else {
// Reset the selected menu.
$nav_menu_selected_id = 0;
unset( $_REQUEST['menu'] );
}
if ( ! isset( $deletion ) )
break;
if ( is_wp_error( $deletion ) )
$messages[] = '<div id="message" class="error notice is-dismissible"><p>' . $deletion->get_error_message() . '</p></div>';
else
$messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __( 'The menu has been successfully deleted.' ) . '</p></div>';
break;
case 'delete_menus':
check_admin_referer( 'nav_menus_bulk_actions' );
foreach ( $_REQUEST['delete_menus'] as $menu_id_to_delete ) {
if ( ! is_nav_menu( $menu_id_to_delete ) )
continue;
$deletion = wp_delete_nav_menu( $menu_id_to_delete );
if ( is_wp_error( $deletion ) ) {
$messages[] = '<div id="message" class="error notice is-dismissible"><p>' . $deletion->get_error_message() . '</p></div>';
$deletion_error = true;
}
}
if ( empty( $deletion_error ) )
$messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __( 'Selected menus have been successfully deleted.' ) . '</p></div>';
break;
case 'update':
check_admin_referer( 'update-nav_menu', 'update-nav-menu-nonce' );
// Remove menu locations that have been unchecked.
foreach ( $locations as $location => $description ) {
if ( ( empty( $_POST['menu-locations'] ) || empty( $_POST['menu-locations'][ $location ] ) ) && isset( $menu_locations[ $location ] ) && $menu_locations[ $location ] == $nav_menu_selected_id )
unset( $menu_locations[ $location ] );
}
// Merge new and existing menu locations if any new ones are set.
if ( isset( $_POST['menu-locations'] ) ) {
$new_menu_locations = array_map( 'absint', $_POST['menu-locations'] );
$menu_locations = array_merge( $menu_locations, $new_menu_locations );
}
// Set menu locations.
set_theme_mod( 'nav_menu_locations', $menu_locations );
// Add Menu.
if ( 0 == $nav_menu_selected_id ) {
$new_menu_title = trim( esc_html( $_POST['menu-name'] ) );
if ( $new_menu_title ) {
$_nav_menu_selected_id = wp_update_nav_menu_object( 0, array('menu-name' => $new_menu_title) );
if ( is_wp_error( $_nav_menu_selected_id ) ) {
$messages[] = '<div id="message" class="error notice is-dismissible"><p>' . $_nav_menu_selected_id->get_error_message() . '</p></div>';
} else {
$_menu_object = wp_get_nav_menu_object( $_nav_menu_selected_id );
$nav_menu_selected_id = $_nav_menu_selected_id;
$nav_menu_selected_title = $_menu_object->name;
if ( isset( $_REQUEST['menu-item'] ) )
wp_save_nav_menu_items( $nav_menu_selected_id, absint( $_REQUEST['menu-item'] ) );
if ( isset( $_REQUEST['zero-menu-state'] ) ) {
// If there are menu items, add them
wp_nav_menu_update_menu_items( $nav_menu_selected_id, $nav_menu_selected_title );
// Auto-save nav_menu_locations
$locations = get_nav_menu_locations();
foreach ( $locations as $location => $menu_id ) {
$locations[ $location ] = $nav_menu_selected_id;
break; // There should only be 1
}
set_theme_mod( 'nav_menu_locations', $locations );
}
if ( isset( $_REQUEST['use-location'] ) ) {
$locations = get_registered_nav_menus();
$menu_locations = get_nav_menu_locations();
if ( isset( $locations[ $_REQUEST['use-location'] ] ) )
$menu_locations[ $_REQUEST['use-location'] ] = $nav_menu_selected_id;
set_theme_mod( 'nav_menu_locations', $menu_locations );
}
// $messages[] = '<div id="message" class="updated"><p>' . sprintf( __( '<strong>%s</strong> has been created.' ), $nav_menu_selected_title ) . '</p></div>';
wp_redirect( admin_url( 'nav-menus.php?menu=' . $_nav_menu_selected_id ) );
exit();
}
} else {
$messages[] = '<div id="message" class="error notice is-dismissible"><p>' . __( 'Please enter a valid menu name.' ) . '</p></div>';
}
// Update existing menu.
} else {
$_menu_object = wp_get_nav_menu_object( $nav_menu_selected_id );
$menu_title = trim( esc_html( $_POST['menu-name'] ) );
if ( ! $menu_title ) {
$messages[] = '<div id="message" class="error notice is-dismissible"><p>' . __( 'Please enter a valid menu name.' ) . '</p></div>';
$menu_title = $_menu_object->name;
}
if ( ! is_wp_error( $_menu_object ) ) {
$_nav_menu_selected_id = wp_update_nav_menu_object( $nav_menu_selected_id, array( 'menu-name' => $menu_title ) );
if ( is_wp_error( $_nav_menu_selected_id ) ) {
$_menu_object = $_nav_menu_selected_id;
$messages[] = '<div id="message" class="error notice is-dismissible"><p>' . $_nav_menu_selected_id->get_error_message() . '</p></div>';
} else {
$_menu_object = wp_get_nav_menu_object( $_nav_menu_selected_id );
$nav_menu_selected_title = $_menu_object->name;
}
}
// Update menu items.
if ( ! is_wp_error( $_menu_object ) ) {
$messages = array_merge( $messages, wp_nav_menu_update_menu_items( $_nav_menu_selected_id, $nav_menu_selected_title ) );
// If the menu ID changed, redirect to the new URL.
if ( $nav_menu_selected_id != $_nav_menu_selected_id ) {
wp_redirect( admin_url( 'nav-menus.php?menu=' . intval( $_nav_menu_selected_id ) ) );
exit();
}
}
}
break;
case 'locations':
if ( ! $num_locations ) {
wp_redirect( admin_url( 'nav-menus.php' ) );
exit();
}
add_filter( 'screen_options_show_screen', '__return_false' );
if ( isset( $_POST['menu-locations'] ) ) {
check_admin_referer( 'save-menu-locations' );
$new_menu_locations = array_map( 'absint', $_POST['menu-locations'] );
$menu_locations = array_merge( $menu_locations, $new_menu_locations );
// Set menu locations
set_theme_mod( 'nav_menu_locations', $menu_locations );
$messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __( 'Menu locations updated.' ) . '</p></div>';
}
break;
}
// Get all nav menus.
$nav_menus = wp_get_nav_menus();
$menu_count = count( $nav_menus );
// Are we on the add new screen?
$add_new_screen = ( isset( $_GET['menu'] ) && 0 == $_GET['menu'] ) ? true : false;
$locations_screen = ( isset( $_GET['action'] ) && 'locations' == $_GET['action'] ) ? true : false;
/*
* If we have one theme location, and zero menus, we take them right
* into editing their first menu.
*/
$page_count = wp_count_posts( 'page' );
$one_theme_location_no_menus = ( 1 == count( get_registered_nav_menus() ) && ! $add_new_screen && empty( $nav_menus ) && ! empty( $page_count->publish ) ) ? true : false;
$nav_menus_l10n = array(
'oneThemeLocationNoMenus' => $one_theme_location_no_menus,
'moveUp' => __( 'Move up one' ),
'moveDown' => __( 'Move down one' ),
'moveToTop' => __( 'Move to the top' ),
/* translators: %s: previous item name */
'moveUnder' => __( 'Move under %s' ),
/* translators: %s: previous item name */
'moveOutFrom' => __( 'Move out from under %s' ),
/* translators: %s: previous item name */
'under' => __( 'Under %s' ),
/* translators: %s: previous item name */
'outFrom' => __( 'Out from under %s' ),
/* translators: 1: item name, 2: item position, 3: total number of items */
'menuFocus' => __( '%1$s. Menu item %2$d of %3$d.' ),
/* translators: 1: item name, 2: item position, 3: parent item name */
'subMenuFocus' => __( '%1$s. Sub item number %2$d under %3$s.' ),
);
wp_localize_script( 'nav-menu', 'menus', $nav_menus_l10n );
/*
* Redirect to add screen if there are no menus and this users has either zero,
* or more than 1 theme locations.
*/
if ( 0 == $menu_count && ! $add_new_screen && ! $one_theme_location_no_menus )
wp_redirect( admin_url( 'nav-menus.php?action=edit&menu=0' ) );
// Get recently edited nav menu.
$recently_edited = absint( get_user_option( 'nav_menu_recently_edited' ) );
if ( empty( $recently_edited ) && is_nav_menu( $nav_menu_selected_id ) )
$recently_edited = $nav_menu_selected_id;
// Use $recently_edited if none are selected.
if ( empty( $nav_menu_selected_id ) && ! isset( $_GET['menu'] ) && is_nav_menu( $recently_edited ) )
$nav_menu_selected_id = $recently_edited;
// On deletion of menu, if another menu exists, show it.
if ( ! $add_new_screen && 0 < $menu_count && isset( $_GET['action'] ) && 'delete' == $_GET['action'] )
$nav_menu_selected_id = $nav_menus[0]->term_id;
// Set $nav_menu_selected_id to 0 if no menus.
if ( $one_theme_location_no_menus ) {
$nav_menu_selected_id = 0;
} elseif ( empty( $nav_menu_selected_id ) && ! empty( $nav_menus ) && ! $add_new_screen ) {
// if we have no selection yet, and we have menus, set to the first one in the list.
$nav_menu_selected_id = $nav_menus[0]->term_id;
}
// Update the user's setting.
if ( $nav_menu_selected_id != $recently_edited && is_nav_menu( $nav_menu_selected_id ) )
update_user_meta( $current_user->ID, 'nav_menu_recently_edited', $nav_menu_selected_id );
// If there's a menu, get its name.
if ( ! $nav_menu_selected_title && is_nav_menu( $nav_menu_selected_id ) ) {
$_menu_object = wp_get_nav_menu_object( $nav_menu_selected_id );
$nav_menu_selected_title = ! is_wp_error( $_menu_object ) ? $_menu_object->name : '';
}
// Generate truncated menu names.
foreach ( (array) $nav_menus as $key => $_nav_menu ) {
$nav_menus[$key]->truncated_name = wp_html_excerpt( $_nav_menu->name, 40, '…' );
}
// Retrieve menu locations.
if ( current_theme_supports( 'menus' ) ) {
$locations = get_registered_nav_menus();
$menu_locations = get_nav_menu_locations();
}
/*
* Ensure the user will be able to scroll horizontally
* by adding a class for the max menu depth.
*
* @global int $_wp_nav_menu_max_depth
*/
global $_wp_nav_menu_max_depth;
$_wp_nav_menu_max_depth = 0;
// Calling wp_get_nav_menu_to_edit generates $_wp_nav_menu_max_depth.
if ( is_nav_menu( $nav_menu_selected_id ) ) {
$menu_items = wp_get_nav_menu_items( $nav_menu_selected_id, array( 'post_status' => 'any' ) );
$edit_markup = wp_get_nav_menu_to_edit( $nav_menu_selected_id );
}
/**
*
* @global int $_wp_nav_menu_max_depth
*
* @param string $classes
* @return string
*/
function wp_nav_menu_max_depth( $classes ) {
global $_wp_nav_menu_max_depth;
return "$classes menu-max-depth-$_wp_nav_menu_max_depth";
}
add_filter('admin_body_class', 'wp_nav_menu_max_depth');
wp_nav_menu_setup();
wp_initial_nav_menu_meta_boxes();
if ( ! current_theme_supports( 'menus' ) && ! $num_locations )
$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 “Navigation Menu” widget on the <a href="%s">Widgets</a> screen.' ), admin_url( 'widgets.php' ) ) . '</p></div>';
if ( ! $locations_screen ) : // Main tab
$overview = '<p>' . __( 'This screen is used for managing your navigation menus.' ) . '</p>';
/* translators: 1: Widgets admin screen URL, 2 and 3: The name of the default themes */
$overview .= '<p>' . sprintf( __( 'Menus can be displayed in locations defined by your theme, even used in sidebars by adding a “Navigation Menu” widget on the <a href="%1$s">Widgets</a> screen. If your theme does not support the navigation 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 Sixteen', 'Twenty Seventeen' ) . '</p>';
$overview .= '<p>' . __( 'From this screen you can:' ) . '</p>';
$overview .= '<ul><li>' . __( 'Create, edit, and delete menus' ) . '</li>';
$overview .= '<li>' . __( 'Add, organize, and modify individual menu items' ) . '</li></ul>';
get_current_screen()->add_help_tab( array(
'id' => 'overview',
'title' => __( 'Overview' ),
'content' => $overview
) );
$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>';
$menu_management .= '<ul><li>' . __( 'To edit an existing menu, <strong>choose a menu from the drop down and click Select</strong>' ) . '</li>';
$menu_management .= '<li>' . __( 'If you haven’t yet created any menus, <strong>click the ’create a new menu’ link</strong> to get started' ) . '</li></ul>';
$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>';
get_current_screen()->add_help_tab( array(
'id' => 'menu-management',
'title' => __( 'Menu Management' ),
'content' => $menu_management
) );
$editing_menus = '<p>' . __( 'Each navigation 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>';
$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>';
$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>';
$editing_menus .= '<li>' . __( 'To add a custom link, <strong>expand the Custom Links section, enter a URL and link text, and click Add to Menu</strong>' ) .'</li>';
$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>';
$editing_menus .= '<li>' . __( 'Delete a menu item by <strong>expanding it and clicking the Remove link</strong>' ) . '</li></ul>';
get_current_screen()->add_help_tab( array(
'id' => 'editing-menus',
'title' => __( 'Editing Menus' ),
'content' => $editing_menus
) );
else : // Locations Tab.
$locations_overview = '<p>' . __( 'This screen is used for globally assigning menus to locations defined by your theme.' ) . '</p>';
$locations_overview .= '<ul><li>' . __( 'To assign menus to one or more theme locations, <strong>select a menu from each location’s drop down.</strong> When you’re finished, <strong>click Save Changes</strong>' ) . '</li>';
$locations_overview .= '<li>' . __( 'To edit a menu currently assigned to a theme location, <strong>click the adjacent ’Edit’ link</strong>' ) . '</li>';
$locations_overview .= '<li>' . __( 'To add a new menu instead of assigning an existing one, <strong>click the ’Use new menu’ link</strong>. Your new menu will be automatically assigned to that theme location' ) . '</li></ul>';
get_current_screen()->add_help_tab( array(
'id' => 'locations-overview',
'title' => __( 'Overview' ),
'content' => $locations_overview
) );
endif;
get_current_screen()->set_help_sidebar(
'<p><strong>' . __('For more information:') . '</strong></p>' .
'<p>' . __('<a href="https://codex.wordpress.org/Appearance_Menus_Screen">Documentation on Menus</a>') . '</p>' .
'<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
);
// Get the admin header.
require_once( ABSPATH . 'wp-admin/admin-header.php' );
?>
<div class="wrap">
<h1 class="wp-heading-inline"><?php echo esc_html( __( 'Menus' ) ); ?></h1>
<?php
if ( current_user_can( 'customize' ) ) :
$focus = $locations_screen ? array( 'section' => 'menu_locations' ) : array( 'panel' => 'nav_menus' );
printf(
' <a class="page-title-action hide-if-no-customize" href="%1$s">%2$s</a>',
esc_url( add_query_arg( array(
array( 'autofocus' => $focus ),
'return' => urlencode( remove_query_arg( wp_removable_query_args(), wp_unslash( $_SERVER['REQUEST_URI'] ) ) ),
), admin_url( 'customize.php' ) ) ),
__( 'Manage with Live Preview' )
);
endif;
?>
<hr class="wp-header-end">
<h2 class="nav-tab-wrapper wp-clearfix">
<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>
<?php if ( $num_locations && $menu_count ) : ?>
<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>
<?php
endif;
?>
</h2>
<?php
foreach ( $messages as $message ) :
echo $message . "\n";
endforeach;
?>
<?php
if ( $locations_screen ) :
if ( 1 == $num_locations ) {
echo '<p>' . __( 'Your theme supports one menu. Select which menu you would like to use.' ) . '</p>';
} else {
echo '<p>' . sprintf( _n( 'Your theme supports %s menu. Select which menu appears in each location.', 'Your theme supports %s menus. Select which menu appears in each location.', $num_locations ), number_format_i18n( $num_locations ) ) . '</p>';
}
?>
<div id="menu-locations-wrap">
<form method="post" action="<?php echo esc_url( add_query_arg( array( 'action' => 'locations' ), admin_url( 'nav-menus.php' ) ) ); ?>">
<table class="widefat fixed" id="menu-locations-table">
<thead>
<tr>
<th scope="col" class="manage-column column-locations"><?php _e( 'Theme Location' ); ?></th>
<th scope="col" class="manage-column column-menus"><?php _e( 'Assigned Menu' ); ?></th>
</tr>
</thead>
<tbody class="menu-locations">
<?php foreach ( $locations as $_location => $_name ) { ?>
<tr class="menu-locations-row">
<td class="menu-location-title"><label for="locations-<?php echo $_location; ?>"><?php echo $_name; ?></label></td>
<td class="menu-location-menus">
<select name="menu-locations[<?php echo $_location; ?>]" id="locations-<?php echo $_location; ?>">
<option value="0"><?php printf( '— %s —', esc_html__( 'Select a Menu' ) ); ?></option>
<?php foreach ( $nav_menus as $menu ) : ?>
<?php $selected = isset( $menu_locations[$_location] ) && $menu_locations[$_location] == $menu->term_id; ?>
<option <?php if ( $selected ) echo 'data-orig="true"'; ?> <?php selected( $selected ); ?> value="<?php echo $menu->term_id; ?>">
<?php echo wp_html_excerpt( $menu->name, 40, '…' ); ?>
</option>
<?php endforeach; ?>
</select>
<div class="locations-row-links">
<?php if ( isset( $menu_locations[ $_location ] ) && 0 != $menu_locations[ $_location ] ) : ?>
<span class="locations-edit-menu-link">
<a href="<?php echo esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => $menu_locations[$_location] ), admin_url( 'nav-menus.php' ) ) ); ?>">
<span aria-hidden="true"><?php _ex( 'Edit', 'menu' ); ?></span><span class="screen-reader-text"><?php _e( 'Edit selected menu' ); ?></span>
</a>
</span>
<?php endif; ?>
<span class="locations-add-menu-link">
<a href="<?php echo esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => 0, 'use-location' => $_location ), admin_url( 'nav-menus.php' ) ) ); ?>">
<?php _ex( 'Use new menu', 'menu' ); ?>
</a>
</span>
</div><!-- .locations-row-links -->
</td><!-- .menu-location-menus -->
</tr><!-- .menu-locations-row -->
<?php } // foreach ?>
</tbody>
</table>
<p class="button-controls wp-clearfix"><?php submit_button( __( 'Save Changes' ), 'primary left', 'nav-menu-locations', false ); ?></p>
<?php wp_nonce_field( 'save-menu-locations' ); ?>
<input type="hidden" name="menu" id="nav-menu-meta-object-id" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
</form>
</div><!-- #menu-locations-wrap -->
<?php
/**
* Fires after the menu locations table is displayed.
*
* @since 3.6.0
*/
do_action( 'after_menu_locations_table' ); ?>
<?php else : ?>
<div class="manage-menus">
<?php if ( $menu_count < 2 ) : ?>
<span class="add-edit-menu-action">
<?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' ) ) ) ); ?>
</span><!-- /add-edit-menu-action -->
<?php else : ?>
<form method="get" action="<?php echo admin_url( 'nav-menus.php' ); ?>">
<input type="hidden" name="action" value="edit" />
<label for="select-menu-to-edit" class="selected-menu"><?php _e( 'Select a menu to edit:' ); ?></label>
<select name="menu" id="select-menu-to-edit">
<?php if ( $add_new_screen ) : ?>
<option value="0" selected="selected"><?php _e( '— Select —' ); ?></option>
<?php endif; ?>
<?php foreach ( (array) $nav_menus as $_nav_menu ) : ?>
<option value="<?php echo esc_attr( $_nav_menu->term_id ); ?>" <?php selected( $_nav_menu->term_id, $nav_menu_selected_id ); ?>>
<?php
echo esc_html( $_nav_menu->truncated_name ) ;
if ( ! empty( $menu_locations ) && in_array( $_nav_menu->term_id, $menu_locations ) ) {
$locations_assigned_to_this_menu = array();
foreach ( array_keys( $menu_locations, $_nav_menu->term_id ) as $menu_location_key ) {
if ( isset( $locations[ $menu_location_key ] ) ) {
$locations_assigned_to_this_menu[] = $locations[ $menu_location_key ];
}
}
/**
* Filters the number of locations listed per menu in the drop-down select.
*
* @since 3.6.0
*
* @param int $locations Number of menu locations to list. Default 3.
*/
$assigned_locations = array_slice( $locations_assigned_to_this_menu, 0, absint( apply_filters( 'wp_nav_locations_listed_per_menu', 3 ) ) );
// Adds ellipses following the number of locations defined in $assigned_locations.
if ( ! empty( $assigned_locations ) ) {
printf( ' (%1$s%2$s)',
implode( ', ', $assigned_locations ),
count( $locations_assigned_to_this_menu ) > count( $assigned_locations ) ? ' …' : ''
);
}
}
?>
</option>
<?php endforeach; ?>
</select>
<span class="submit-btn"><input type="submit" class="button" value="<?php esc_attr_e( 'Select' ); ?>"></span>
<span class="add-new-menu-action">
<?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' ) ) ) ); ?>
</span><!-- /add-new-menu-action -->
</form>
<?php endif; ?>
</div><!-- /manage-menus -->
<div id="nav-menus-frame" class="wp-clearfix">
<div id="menu-settings-column" class="metabox-holder<?php if ( isset( $_GET['menu'] ) && '0' == $_GET['menu'] ) { echo ' metabox-holder-disabled'; } ?>">
<div class="clear"></div>
<form id="nav-menu-meta" class="nav-menu-meta" method="post" enctype="multipart/form-data">
<input type="hidden" name="menu" id="nav-menu-meta-object-id" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
<input type="hidden" name="action" value="add-menu-item" />
<?php wp_nonce_field( 'add-menu_item', 'menu-settings-column-nonce' ); ?>
<?php do_accordion_sections( 'nav-menus', 'side', null ); ?>
</form>
</div><!-- /#menu-settings-column -->
<div id="menu-management-liquid">
<div id="menu-management">
<form id="update-nav-menu" method="post" enctype="multipart/form-data">
<div class="menu-edit <?php if ( $add_new_screen ) echo 'blank-slate'; ?>">
<input type="hidden" name="nav-menu-data">
<?php
wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );
wp_nonce_field( 'update-nav_menu', 'update-nav-menu-nonce' );
$menu_name_aria_desc = $add_new_screen ? ' aria-describedby="menu-name-desc"' : '';
if ( $one_theme_location_no_menus ) {
$menu_name_val = 'value="' . esc_attr( 'Menu 1' ) . '"';
?>
<input type="hidden" name="zero-menu-state" value="true" />
<?php } else {
$menu_name_val = 'value="' . esc_attr( $nav_menu_selected_title ) . '"';
} ?>
<input type="hidden" name="action" value="update" />
<input type="hidden" name="menu" id="menu" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
<div id="nav-menu-header">
<div class="major-publishing-actions wp-clearfix">
<label class="menu-name-label" for="menu-name"><?php _e( 'Menu Name' ); ?></label>
<input name="menu-name" id="menu-name" type="text" class="menu-name regular-text menu-item-textbox" <?php echo $menu_name_val . $menu_name_aria_desc; ?> />
<div class="publishing-action">
<?php submit_button( empty( $nav_menu_selected_id ) ? __( 'Create Menu' ) : __( 'Save Menu' ), 'primary large menu-save', 'save_menu', false, array( 'id' => 'save_menu_header' ) ); ?>
</div><!-- END .publishing-action -->
</div><!-- END .major-publishing-actions -->
</div><!-- END .nav-menu-header -->
<div id="post-body">
<div id="post-body-content" class="wp-clearfix">
<?php if ( ! $add_new_screen ) : ?>
<h3><?php _e( 'Menu Structure' ); ?></h3>
<?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.' ); ?>
<div class="drag-instructions post-body-plain" <?php if ( isset( $menu_items ) && 0 == count( $menu_items ) ) { ?>style="display: none;"<?php } ?>>
<p><?php echo $starter_copy; ?></p>
</div>
<?php
if ( isset( $edit_markup ) && ! is_wp_error( $edit_markup ) ) {
echo $edit_markup;
} else {
?>
<ul class="menu" id="menu-to-edit"></ul>
<?php } ?>
<?php endif; ?>
<?php if ( $add_new_screen ) : ?>
<p class="post-body-plain" id="menu-name-desc"><?php _e( 'Give your menu a name, then click Create Menu.' ); ?></p>
<?php if ( isset( $_GET['use-location'] ) ) : ?>
<input type="hidden" name="use-location" value="<?php echo esc_attr( $_GET['use-location'] ); ?>" />
<?php endif; ?>
<?php endif; ?>
<div class="menu-settings" <?php if ( $one_theme_location_no_menus ) { ?>style="display: none;"<?php } ?>>
<h3><?php _e( 'Menu Settings' ); ?></h3>
<?php
if ( ! isset( $auto_add ) ) {
$auto_add = get_option( 'nav_menu_options' );
if ( ! isset( $auto_add['auto_add'] ) )
$auto_add = false;
elseif ( false !== array_search( $nav_menu_selected_id, $auto_add['auto_add'] ) )
$auto_add = true;
else
$auto_add = false;
} ?>
<fieldset class="menu-settings-group auto-add-pages">
<legend class="menu-settings-group-name howto"><?php _e( 'Auto add pages' ); ?></legend>
<div class="menu-settings-input 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>
</div>
</fieldset>
<?php if ( current_theme_supports( 'menus' ) ) : ?>
<fieldset class="menu-settings-group menu-theme-locations">
<legend class="menu-settings-group-name howto"><?php _e( 'Display location' ); ?></legend>
<?php foreach ( $locations as $location => $description ) : ?>
<div class="menu-settings-input checkbox-input">
<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>
<?php if ( ! empty( $menu_locations[ $location ] ) && $menu_locations[ $location ] != $nav_menu_selected_id ) : ?>
<span class="theme-location-set"><?php
/* translators: %s: menu name */
printf( _x( '(Currently set to: %s)', 'menu location' ),
wp_get_nav_menu_object( $menu_locations[ $location ] )->name
);
?></span>
<?php endif; ?>
</div>
<?php endforeach; ?>
</fieldset>
<?php endif; ?>
</div>
</div><!-- /#post-body-content -->
</div><!-- /#post-body -->
<div id="nav-menu-footer">
<div class="major-publishing-actions wp-clearfix">
<?php if ( 0 != $menu_count && ! $add_new_screen ) : ?>
<span class="delete-action">
<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( 'nav-menus.php' ) ), 'delete-nav_menu-' . $nav_menu_selected_id) ); ?>"><?php _e('Delete Menu'); ?></a>
</span><!-- END .delete-action -->
<?php endif; ?>
<div class="publishing-action">
<?php submit_button( empty( $nav_menu_selected_id ) ? __( 'Create Menu' ) : __( 'Save Menu' ), 'primary large menu-save', 'save_menu', false, array( 'id' => 'save_menu_footer' ) ); ?>
</div><!-- END .publishing-action -->
</div><!-- END .major-publishing-actions -->
</div><!-- /#nav-menu-footer -->
</div><!-- /.menu-edit -->
</form><!-- /#update-nav-menu -->
</div><!-- /#menu-management -->
</div><!-- /#menu-management-liquid -->
</div><!-- /#nav-menus-frame -->
<?php endif; ?>
</div><!-- /.wrap-->
<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>