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(
  24                 '<h1>' . __( 'Cheatin&#8217; uh?' ) . '</h1>' .
  25                 '<p>' . __( 'Sorry, you are not allowed to edit theme options on this site.' ) . '</p>',
  26                 403
  27         );
  28 }
  29
  30 wp_enqueue_script( 'nav-menu' );
  31
  32 if ( wp_is_mobile() )
  33         wp_enqueue_script( 'jquery-touch-punch' );
  34
  35 // Container for any messages displayed to the user
  36 $messages = array();
  37
  38 // Container that stores the name of the active menu
  39 $nav_menu_selected_title = '';
  40
  41 // The menu id of the current menu being edited
  42 $nav_menu_selected_id = isset( $_REQUEST['menu'] ) ? (int) $_REQUEST['menu'] : 0;
  43
  44 // Get existing menu locations assignments
  45 $locations = get_registered_nav_menus();
  46 $menu_locations = get_nav_menu_locations();
  47 $num_locations = count( array_keys( $locations ) );
  48
  49 // Allowed actions: add, update, delete
  50 $action = isset( $_REQUEST['action'] ) ? $_REQUEST['action'] : 'edit';
  51
  52 /*
  53  * If a JSON blob of navigation menu data is found, expand it and inject it
  54  * into `$_POST` to avoid PHP `max_input_vars` limitations. See #14134.
  55  */
  56 _wp_expand_nav_menu_post_data();
  57
  58 switch ( $action ) {
  59         case 'add-menu-item':
  60                 check_admin_referer( 'add-menu_item', 'menu-settings-column-nonce' );
  61                 if ( isset( $_REQUEST['nav-menu-locations'] ) )
  62                         set_theme_mod( 'nav_menu_locations', array_map( 'absint', $_REQUEST['menu-locations'] ) );
  63                 elseif ( isset( $_REQUEST['menu-item'] ) )
  64                         wp_save_nav_menu_items( $nav_menu_selected_id, $_REQUEST['menu-item'] );
  65                 break;
  66         case 'move-down-menu-item' :
  67
  68                 // Moving down a menu item is the same as moving up the next in order.
  69                 check_admin_referer( 'move-menu_item' );
  70                 $menu_item_id = isset( $_REQUEST['menu-item'] ) ? (int) $_REQUEST['menu-item'] : 0;
  71                 if ( is_nav_menu_item( $menu_item_id ) ) {
  72                         $menus = isset( $_REQUEST['menu'] ) ? array( (int) $_REQUEST['menu'] ) : wp_get_object_terms( $menu_item_id, 'nav_menu', array( 'fields' => 'ids' ) );
  73                         if ( ! is_wp_error( $menus ) && ! empty( $menus[0] ) ) {
  74                                 $menu_id = (int) $menus[0];
  75                                 $ordered_menu_items = wp_get_nav_menu_items( $menu_id );
  76                                 $menu_item_data = (array) wp_setup_nav_menu_item( get_post( $menu_item_id ) );
  77
  78                                 // Set up the data we need in one pass through the array of menu items.
  79                                 $dbids_to_orders = array();
  80                                 $orders_to_dbids = array();
  81                                 foreach ( (array) $ordered_menu_items as $ordered_menu_item_object ) {
  82                                         if ( isset( $ordered_menu_item_object->ID ) ) {
  83                                                 if ( isset( $ordered_menu_item_object->menu_order ) ) {
  84                                                         $dbids_to_orders[$ordered_menu_item_object->ID] = $ordered_menu_item_object->menu_order;
  85                                                         $orders_to_dbids[$ordered_menu_item_object->menu_order] = $ordered_menu_item_object->ID;
  86                                                 }
  87                                         }
  88                                 }
  89
  90                                 // Get next in order.
  91                                 if (
  92                                         isset( $orders_to_dbids[$dbids_to_orders[$menu_item_id] + 1] )
  93                                 ) {
  94                                         $next_item_id = $orders_to_dbids[$dbids_to_orders[$menu_item_id] + 1];
  95                                         $next_item_data = (array) wp_setup_nav_menu_item( get_post( $next_item_id ) );
  96
  97                                         // If not siblings of same parent, bubble menu item up but keep order.
  98                                         if (
  99                                                 ! empty( $menu_item_data['menu_item_parent'] ) &&
 100                                                 (
 101                                                         empty( $next_item_data['menu_item_parent'] ) ||
 102                                                         $next_item_data['menu_item_parent'] != $menu_item_data['menu_item_parent']
 103                                                 )
 104                                         ) {
 105
 106                                                 $parent_db_id = in_array( $menu_item_data['menu_item_parent'], $orders_to_dbids ) ? (int) $menu_item_data['menu_item_parent'] : 0;
 107
 108                                                 $parent_object = wp_setup_nav_menu_item( get_post( $parent_db_id ) );
 109
 110                                                 if ( ! is_wp_error( $parent_object ) ) {
 111                                                         $parent_data = (array) $parent_object;
 112                                                         $menu_item_data['menu_item_parent'] = $parent_data['menu_item_parent'];
 113                                                         update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
 114
 115                                                 }
 116
 117                                         // Make menu item a child of its next sibling.
 118                                         } else {
 119                                                 $next_item_data['menu_order'] = $next_item_data['menu_order'] - 1;
 120                                                 $menu_item_data['menu_order'] = $menu_item_data['menu_order'] + 1;
 121
 122                                                 $menu_item_data['menu_item_parent'] = $next_item_data['ID'];
 123                                                 update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
 124
 125                                                 wp_update_post($menu_item_data);
 126                                                 wp_update_post($next_item_data);
 127                                         }
 128
 129                                 // The item is last but still has a parent, so bubble up.
 130                                 } elseif (
 131                                         ! empty( $menu_item_data['menu_item_parent'] ) &&
 132                                         in_array( $menu_item_data['menu_item_parent'], $orders_to_dbids )
 133                                 ) {
 134                                         $menu_item_data['menu_item_parent'] = (int) get_post_meta( $menu_item_data['menu_item_parent'], '_menu_item_menu_item_parent', true);
 135                                         update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
 136                                 }
 137                         }
 138                 }
 139
 140                 break;
 141         case 'move-up-menu-item' :
 142                 check_admin_referer( 'move-menu_item' );
 143                 $menu_item_id = isset( $_REQUEST['menu-item'] ) ? (int) $_REQUEST['menu-item'] : 0;
 144                 if ( is_nav_menu_item( $menu_item_id ) ) {
 145                         $menus = isset( $_REQUEST['menu'] ) ? array( (int) $_REQUEST['menu'] ) : wp_get_object_terms( $menu_item_id, 'nav_menu', array( 'fields' => 'ids' ) );
 146                         if ( ! is_wp_error( $menus ) && ! empty( $menus[0] ) ) {
 147                                 $menu_id = (int) $menus[0];
 148                                 $ordered_menu_items = wp_get_nav_menu_items( $menu_id );
 149                                 $menu_item_data = (array) wp_setup_nav_menu_item( get_post( $menu_item_id ) );
 150
 151                                 // Set up the data we need in one pass through the array of menu items.
 152                                 $dbids_to_orders = array();
 153                                 $orders_to_dbids = array();
 154                                 foreach ( (array) $ordered_menu_items as $ordered_menu_item_object ) {
 155                                         if ( isset( $ordered_menu_item_object->ID ) ) {
 156                                                 if ( isset( $ordered_menu_item_object->menu_order ) ) {
 157                                                         $dbids_to_orders[$ordered_menu_item_object->ID] = $ordered_menu_item_object->menu_order;
 158                                                         $orders_to_dbids[$ordered_menu_item_object->menu_order] = $ordered_menu_item_object->ID;
 159                                                 }
 160                                         }
 161                                 }
 162
 163                                 // If this menu item is not first.
 164                                 if ( ! empty( $dbids_to_orders[$menu_item_id] ) && ! empty( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) ) {
 165
 166                                         // If this menu item is a child of the previous.
 167                                         if (
 168                                                 ! empty( $menu_item_data['menu_item_parent'] ) &&
 169                                                 in_array( $menu_item_data['menu_item_parent'], array_keys( $dbids_to_orders ) ) &&
 170                                                 isset( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) &&
 171                                                 ( $menu_item_data['menu_item_parent'] == $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] )
 172                                         ) {
 173                                                 $parent_db_id = in_array( $menu_item_data['menu_item_parent'], $orders_to_dbids ) ? (int) $menu_item_data['menu_item_parent'] : 0;
 174                                                 $parent_object = wp_setup_nav_menu_item( get_post( $parent_db_id ) );
 175
 176                                                 if ( ! is_wp_error( $parent_object ) ) {
 177                                                         $parent_data = (array) $parent_object;
 178
 179                                                         /*
 180                                                          * If there is something before the parent and parent a child of it,
 181                                                          * make menu item a child also of it.
 182                                                          */
 183                                                         if (
 184                                                                 ! empty( $dbids_to_orders[$parent_db_id] ) &&
 185                                                                 ! empty( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1] ) &&
 186                                                                 ! empty( $parent_data['menu_item_parent'] )
 187                                                         ) {
 188                                                                 $menu_item_data['menu_item_parent'] = $parent_data['menu_item_parent'];
 189
 190                                                         /*
 191                                                          * Else if there is something before parent and parent not a child of it,
 192                                                          * make menu item a child of that something's parent
 193                                                          */
 194                                                         } elseif (
 195                                                                 ! empty( $dbids_to_orders[$parent_db_id] ) &&
 196                                                                 ! empty( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1] )
 197                                                         ) {
 198                                                                 $_possible_parent_id = (int) get_post_meta( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1], '_menu_item_menu_item_parent', true);
 199                                                                 if ( in_array( $_possible_parent_id, array_keys( $dbids_to_orders ) ) )
 200                                                                         $menu_item_data['menu_item_parent'] = $_possible_parent_id;
 201                                                                 else
 202                                                                         $menu_item_data['menu_item_parent'] = 0;
 203
 204                                                         // Else there isn't something before the parent.
 205                                                         } else {
 206                                                                 $menu_item_data['menu_item_parent'] = 0;
 207                                                         }
 208
 209                                                         // Set former parent's [menu_order] to that of menu-item's.
 210                                                         $parent_data['menu_order'] = $parent_data['menu_order'] + 1;
 211
 212                                                         // Set menu-item's [menu_order] to that of former parent.
 213                                                         $menu_item_data['menu_order'] = $menu_item_data['menu_order'] - 1;
 214
 215                                                         // Save changes.
 216                                                         update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
 217                                                         wp_update_post($menu_item_data);
 218                                                         wp_update_post($parent_data);
 219                                                 }
 220
 221                                         // Else this menu item is not a child of the previous.
 222                                         } elseif (
 223                                                 empty( $menu_item_data['menu_order'] ) ||
 224                                                 empty( $menu_item_data['menu_item_parent'] ) ||
 225                                                 ! in_array( $menu_item_data['menu_item_parent'], array_keys( $dbids_to_orders ) ) ||
 226                                                 empty( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) ||
 227                                                 $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] != $menu_item_data['menu_item_parent']
 228                                         ) {
 229                                                 // Just make it a child of the previous; keep the order.
 230                                                 $menu_item_data['menu_item_parent'] = (int) $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1];
 231                                                 update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
 232                                                 wp_update_post($menu_item_data);
 233                                         }
 234                                 }
 235                         }
 236                 }
 237                 break;
 238
 239         case 'delete-menu-item':
 240                 $menu_item_id = (int) $_REQUEST['menu-item'];
 241
 242                 check_admin_referer( 'delete-menu_item_' . $menu_item_id );
 243
 244                 if ( is_nav_menu_item( $menu_item_id ) && wp_delete_post( $menu_item_id, true ) )
 245                         $messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __('The menu item has been successfully deleted.') . '</p></div>';
 246                 break;
 247
 248         case 'delete':
 249                 check_admin_referer( 'delete-nav_menu-' . $nav_menu_selected_id );
 250                 if ( is_nav_menu( $nav_menu_selected_id ) ) {
 251                         $deletion = wp_delete_nav_menu( $nav_menu_selected_id );
 252                 } else {
 253                         // Reset the selected menu.
 254                         $nav_menu_selected_id = 0;
 255                         unset( $_REQUEST['menu'] );
 256                 }
 257
 258                 if ( ! isset( $deletion ) )
 259                         break;
 260
 261                 if ( is_wp_error( $deletion ) )
 262                         $messages[] = '<div id="message" class="error notice is-dismissible"><p>' . $deletion->get_error_message() . '</p></div>';
 263                 else
 264                         $messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __( 'The menu has been successfully deleted.' ) . '</p></div>';
 265                 break;
 266
 267         case 'delete_menus':
 268                 check_admin_referer( 'nav_menus_bulk_actions' );
 269                 foreach ( $_REQUEST['delete_menus'] as $menu_id_to_delete ) {
 270                         if ( ! is_nav_menu( $menu_id_to_delete ) )
 271                                 continue;
 272
 273                         $deletion = wp_delete_nav_menu( $menu_id_to_delete );
 274                         if ( is_wp_error( $deletion ) ) {
 275                                 $messages[] = '<div id="message" class="error notice is-dismissible"><p>' . $deletion->get_error_message() . '</p></div>';
 276                                 $deletion_error = true;
 277                         }
 278                 }
 279
 280                 if ( empty( $deletion_error ) )
 281                         $messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __( 'Selected menus have been successfully deleted.' ) . '</p></div>';
 282                 break;
 283
 284         case 'update':
 285                 check_admin_referer( 'update-nav_menu', 'update-nav-menu-nonce' );
 286
 287                 // Remove menu locations that have been unchecked.
 288                 foreach ( $locations as $location => $description ) {
 289                         if ( ( empty( $_POST['menu-locations'] ) || empty( $_POST['menu-locations'][ $location ] ) ) && isset( $menu_locations[ $location ] ) && $menu_locations[ $location ] == $nav_menu_selected_id )
 290                                 unset( $menu_locations[ $location ] );
 291                 }
 292
 293                 // Merge new and existing menu locations if any new ones are set.
 294                 if ( isset( $_POST['menu-locations'] ) ) {
 295                         $new_menu_locations = array_map( 'absint', $_POST['menu-locations'] );
 296                         $menu_locations = array_merge( $menu_locations, $new_menu_locations );
 297                 }
 298
 299                 // Set menu locations.
 300                 set_theme_mod( 'nav_menu_locations', $menu_locations );
 301
 302                 // Add Menu.
 303                 if ( 0 == $nav_menu_selected_id ) {
 304                         $new_menu_title = trim( esc_html( $_POST['menu-name'] ) );
 305
 306                         if ( $new_menu_title ) {
 307                                 $_nav_menu_selected_id = wp_update_nav_menu_object( 0, array('menu-name' => $new_menu_title) );
 308
 309                                 if ( is_wp_error( $_nav_menu_selected_id ) ) {
 310                                         $messages[] = '<div id="message" class="error notice is-dismissible"><p>' . $_nav_menu_selected_id->get_error_message() . '</p></div>';
 311                                 } else {
 312                                         $_menu_object = wp_get_nav_menu_object( $_nav_menu_selected_id );
 313                                         $nav_menu_selected_id = $_nav_menu_selected_id;
 314                                         $nav_menu_selected_title = $_menu_object->name;
 315                                         if ( isset( $_REQUEST['menu-item'] ) )
 316                                                 wp_save_nav_menu_items( $nav_menu_selected_id, absint( $_REQUEST['menu-item'] ) );
 317                                         if ( isset( $_REQUEST['zero-menu-state'] ) ) {
 318                                                 // If there are menu items, add them
 319                                                 wp_nav_menu_update_menu_items( $nav_menu_selected_id, $nav_menu_selected_title );
 320                                                 // Auto-save nav_menu_locations
 321                                                 $locations = get_nav_menu_locations();
 322                                                 foreach ( $locations as $location => $menu_id ) {
 323                                                                 $locations[ $location ] = $nav_menu_selected_id;
 324                                                                 break; // There should only be 1
 325                                                 }
 326                                                 set_theme_mod( 'nav_menu_locations', $locations );
 327                                         }
 328                                         if ( isset( $_REQUEST['use-location'] ) ) {
 329                                                 $locations = get_registered_nav_menus();
 330                                                 $menu_locations = get_nav_menu_locations();
 331                                                 if ( isset( $locations[ $_REQUEST['use-location'] ] ) )
 332                                                         $menu_locations[ $_REQUEST['use-location'] ] = $nav_menu_selected_id;
 333                                                 set_theme_mod( 'nav_menu_locations', $menu_locations );
 334                                         }
 335
 336                                         // $messages[] = '<div id="message" class="updated"><p>' . sprintf( __( '<strong>%s</strong> has been created.' ), $nav_menu_selected_title ) . '</p></div>';
 337                                         wp_redirect( admin_url( 'nav-menus.php?menu=' . $_nav_menu_selected_id ) );
 338                                         exit();
 339                                 }
 340                         } else {
 341                                 $messages[] = '<div id="message" class="error notice is-dismissible"><p>' . __( 'Please enter a valid menu name.' ) . '</p></div>';
 342                         }
 343
 344                 // Update existing menu.
 345                 } else {
 346
 347                         $_menu_object = wp_get_nav_menu_object( $nav_menu_selected_id );
 348
 349                         $menu_title = trim( esc_html( $_POST['menu-name'] ) );
 350                         if ( ! $menu_title ) {
 351                                 $messages[] = '<div id="message" class="error notice is-dismissible"><p>' . __( 'Please enter a valid menu name.' ) . '</p></div>';
 352                                 $menu_title = $_menu_object->name;
 353                         }
 354
 355                         if ( ! is_wp_error( $_menu_object ) ) {
 356                                 $_nav_menu_selected_id = wp_update_nav_menu_object( $nav_menu_selected_id, array( 'menu-name' => $menu_title ) );
 357                                 if ( is_wp_error( $_nav_menu_selected_id ) ) {
 358                                         $_menu_object = $_nav_menu_selected_id;
 359                                         $messages[] = '<div id="message" class="error notice is-dismissible"><p>' . $_nav_menu_selected_id->get_error_message() . '</p></div>';
 360                                 } else {
 361                                         $_menu_object = wp_get_nav_menu_object( $_nav_menu_selected_id );
 362                                         $nav_menu_selected_title = $_menu_object->name;
 363                                 }
 364                         }
 365
 366                         // Update menu items.
 367                         if ( ! is_wp_error( $_menu_object ) ) {
 368                                 $messages = array_merge( $messages, wp_nav_menu_update_menu_items( $_nav_menu_selected_id, $nav_menu_selected_title ) );
 369
 370                                 // If the menu ID changed, redirect to the new URL.
 371                                 if ( $nav_menu_selected_id != $_nav_menu_selected_id ) {
 372                                         wp_redirect( admin_url( 'nav-menus.php?menu=' . intval( $_nav_menu_selected_id ) ) );
 373                                         exit();
 374                                 }
 375                         }
 376                 }
 377                 break;
 378         case 'locations':
 379                 if ( ! $num_locations ) {
 380                         wp_redirect( admin_url( 'nav-menus.php' ) );
 381                         exit();
 382                 }
 383
 384                 add_filter( 'screen_options_show_screen', '__return_false' );
 385
 386                 if ( isset( $_POST['menu-locations'] ) ) {
 387                         check_admin_referer( 'save-menu-locations' );
 388
 389                         $new_menu_locations = array_map( 'absint', $_POST['menu-locations'] );
 390                         $menu_locations = array_merge( $menu_locations, $new_menu_locations );
 391                         // Set menu locations
 392                         set_theme_mod( 'nav_menu_locations', $menu_locations );
 393
 394                         $messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __( 'Menu locations updated.' ) . '</p></div>';
 395                 }
 396                 break;
 397 }
 398
 399 // Get all nav menus.
 400 $nav_menus = wp_get_nav_menus();
 401 $menu_count = count( $nav_menus );
 402
 403 // Are we on the add new screen?
 404 $add_new_screen = ( isset( $_GET['menu'] ) && 0 == $_GET['menu'] ) ? true : false;
 405
 406 $locations_screen = ( isset( $_GET['action'] ) && 'locations' == $_GET['action'] ) ? true : false;
 407
 408 /*
 409  * If we have one theme location, and zero menus, we take them right
 410  * into editing their first menu.
 411  */
 412 $page_count = wp_count_posts( 'page' );
 413 $one_theme_location_no_menus = ( 1 == count( get_registered_nav_menus() ) && ! $add_new_screen && empty( $nav_menus ) && ! empty( $page_count->publish ) ) ? true : false;
 414
 415 $nav_menus_l10n = array(
 416         'oneThemeLocationNoMenus' => $one_theme_location_no_menus,
 417         'moveUp'       => __( 'Move up one' ),
 418         'moveDown'     => __( 'Move down one' ),
 419         'moveToTop'    => __( 'Move to the top' ),
 420         /* translators: %s: previous item name */
 421         'moveUnder'    => __( 'Move under %s' ),
 422         /* translators: %s: previous item name */
 423         'moveOutFrom'  => __( 'Move out from under %s' ),
 424         /* translators: %s: previous item name */
 425         'under'        => __( 'Under %s' ),
 426         /* translators: %s: previous item name */
 427         'outFrom'      => __( 'Out from under %s' ),
 428         /* translators: 1: item name, 2: item position, 3: total number of items */
 429         'menuFocus'    => __( '%1$s. Menu item %2$d of %3$d.' ),
 430         /* translators: 1: item name, 2: item position, 3: parent item name */
 431         'subMenuFocus' => __( '%1$s. Sub item number %2$d under %3$s.' ),
 432 );
 433 wp_localize_script( 'nav-menu', 'menus', $nav_menus_l10n );
 434
 435 /*
 436  * Redirect to add screen if there are no menus and this users has either zero,
 437  * or more than 1 theme locations.
 438  */
 439 if ( 0 == $menu_count && ! $add_new_screen && ! $one_theme_location_no_menus )
 440         wp_redirect( admin_url( 'nav-menus.php?action=edit&menu=0' ) );
 441
 442 // Get recently edited nav menu.
 443 $recently_edited = absint( get_user_option( 'nav_menu_recently_edited' ) );
 444 if ( empty( $recently_edited ) && is_nav_menu( $nav_menu_selected_id ) )
 445         $recently_edited = $nav_menu_selected_id;
 446
 447 // Use $recently_edited if none are selected.
 448 if ( empty( $nav_menu_selected_id ) && ! isset( $_GET['menu'] ) && is_nav_menu( $recently_edited ) )
 449         $nav_menu_selected_id = $recently_edited;
 450
 451 // On deletion of menu, if another menu exists, show it.
 452 if ( ! $add_new_screen && 0 < $menu_count && isset( $_GET['action'] ) && 'delete' == $_GET['action'] )
 453         $nav_menu_selected_id = $nav_menus[0]->term_id;
 454
 455 // Set $nav_menu_selected_id to 0 if no menus.
 456 if ( $one_theme_location_no_menus ) {
 457         $nav_menu_selected_id = 0;
 458 } elseif ( empty( $nav_menu_selected_id ) && ! empty( $nav_menus ) && ! $add_new_screen ) {
 459         // if we have no selection yet, and we have menus, set to the first one in the list.
 460         $nav_menu_selected_id = $nav_menus[0]->term_id;
 461 }
 462
 463 // Update the user's setting.
 464 if ( $nav_menu_selected_id != $recently_edited && is_nav_menu( $nav_menu_selected_id ) )
 465         update_user_meta( $current_user->ID, 'nav_menu_recently_edited', $nav_menu_selected_id );
 466
 467 // If there's a menu, get its name.
 468 if ( ! $nav_menu_selected_title && is_nav_menu( $nav_menu_selected_id ) ) {
 469         $_menu_object = wp_get_nav_menu_object( $nav_menu_selected_id );
 470         $nav_menu_selected_title = ! is_wp_error( $_menu_object ) ? $_menu_object->name : '';
 471 }
 472
 473 // Generate truncated menu names.
 474 foreach ( (array) $nav_menus as $key => $_nav_menu ) {
 475         $nav_menus[$key]->truncated_name = wp_html_excerpt( $_nav_menu->name, 40, '&hellip;' );
 476 }
 477
 478 // Retrieve menu locations.
 479 if ( current_theme_supports( 'menus' ) ) {
 480         $locations = get_registered_nav_menus();
 481         $menu_locations = get_nav_menu_locations();
 482 }
 483
 484 /*
 485  * Ensure the user will be able to scroll horizontally
 486  * by adding a class for the max menu depth.
 487  *
 488  * @global int $_wp_nav_menu_max_depth
 489  */
 490 global $_wp_nav_menu_max_depth;
 491 $_wp_nav_menu_max_depth = 0;
 492
 493 // Calling wp_get_nav_menu_to_edit generates $_wp_nav_menu_max_depth.
 494 if ( is_nav_menu( $nav_menu_selected_id ) ) {
 495         $menu_items = wp_get_nav_menu_items( $nav_menu_selected_id, array( 'post_status' => 'any' ) );
 496         $edit_markup = wp_get_nav_menu_to_edit( $nav_menu_selected_id );
 497 }
 498
 499 /**
 500  *
 501  * @global int $_wp_nav_menu_max_depth
 502  *
 503  * @param string $classes
 504  * @return string
 505  */
 506 function wp_nav_menu_max_depth( $classes ) {
 507         global $_wp_nav_menu_max_depth;
 508         return "$classes menu-max-depth-$_wp_nav_menu_max_depth";
 509 }
 510
 511 add_filter('admin_body_class', 'wp_nav_menu_max_depth');
 512
 513 wp_nav_menu_setup();
 514 wp_initial_nav_menu_meta_boxes();
 515
 516 if ( ! current_theme_supports( 'menus' ) && ! $num_locations )
 517         $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>';
 518
 519 if ( ! $locations_screen ) : // Main tab
 520         $overview  = '<p>' . __( 'This screen is used for managing your custom navigation menus.' ) . '</p>';
 521         /* translators: 1: Widgets admin screen URL, 2 and 3: The name of the default themes */
 522         $overview .= '<p>' . sprintf( __( 'Menus can be displayed in locations defined by your theme, even used in sidebars by adding a &#8220;Custom Menu&#8221; widget on the <a href="%1$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 Sixteen', 'Twenty Seventeen' ) . '</p>';
 523         $overview .= '<p>' . __( 'From this screen you can:' ) . '</p>';
 524         $overview .= '<ul><li>' . __( 'Create, edit, and delete menus' ) . '</li>';
 525         $overview .= '<li>' . __( 'Add, organize, and modify individual menu items' ) . '</li></ul>';
 526
 527         get_current_screen()->add_help_tab( array(
 528                 'id'      => 'overview',
 529                 'title'   => __( 'Overview' ),
 530                 'content' => $overview
 531         ) );
 532
 533         $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>';
 534         $menu_management .= '<ul><li>' . __( 'To edit an existing menu, <strong>choose a menu from the drop down and click Select</strong>' ) . '</li>';
 535         $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>';
 536         $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>';
 537
 538         get_current_screen()->add_help_tab( array(
 539                 'id'      => 'menu-management',
 540                 'title'   => __( 'Menu Management' ),
 541                 'content' => $menu_management
 542         ) );
 543
 544         $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>';
 545         $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>';
 546         $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>';
 547         $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>';
 548         $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>';
 549         $editing_menus .= '<li>' . __( 'Delete a menu item by <strong>expanding it and clicking the Remove link</strong>' ) . '</li></ul>';
 550
 551         get_current_screen()->add_help_tab( array(
 552                 'id'      => 'editing-menus',
 553                 'title'   => __( 'Editing Menus' ),
 554                 'content' => $editing_menus
 555         ) );
 556 else : // Locations Tab.
 557         $locations_overview  = '<p>' . __( 'This screen is used for globally assigning menus to locations defined by your theme.' ) . '</p>';
 558         $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>';
 559         $locations_overview .= '<li>' . __( 'To edit a menu currently assigned to a theme location, <strong>click the adjacent &#8217;Edit&#8217; link</strong>' ) . '</li>';
 560         $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>';
 561
 562         get_current_screen()->add_help_tab( array(
 563                 'id'      => 'locations-overview',
 564                 'title'   => __( 'Overview' ),
 565                 'content' => $locations_overview
 566         ) );
 567 endif;
 568
 569 get_current_screen()->set_help_sidebar(
 570         '<p><strong>' . __('For more information:') . '</strong></p>' .
 571         '<p>' . __('<a href="https://codex.wordpress.org/Appearance_Menus_Screen">Documentation on Menus</a>') . '</p>' .
 572         '<p>' . __('<a href="https://wordpress.org/support/">Support Forums</a>') . '</p>'
 573 );
 574
 575 // Get the admin header.
 576 require_once( ABSPATH . 'wp-admin/admin-header.php' );
 577 ?>
 578 <div class="wrap">
 579         <h1><?php echo esc_html( __( 'Menus' ) ); ?>
 580                 <?php
 581                 if ( current_user_can( 'customize' ) ) :
 582                         $focus = $locations_screen ? array( 'section' => 'menu_locations' ) : array( 'panel' => 'nav_menus' );
 583                         printf(
 584                                 ' <a class="page-title-action hide-if-no-customize" href="%1$s">%2$s</a>',
 585                                 esc_url( add_query_arg( array(
 586                                         array( 'autofocus' => $focus ),
 587                                         'return' => urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ),
 588                                 ), admin_url( 'customize.php' ) ) ),
 589                                 __( 'Manage with Live Preview' )
 590                         );
 591                 endif;
 592                 ?>
 593         </h1>
 594         <h2 class="nav-tab-wrapper wp-clearfix">
 595                 <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>
 596                 <?php if ( $num_locations && $menu_count ) : ?>
 597                         <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>
 598                 <?php
 599                         endif;
 600                 ?>
 601         </h2>
 602         <?php
 603         foreach ( $messages as $message ) :
 604                 echo $message . "\n";
 605         endforeach;
 606         ?>
 607         <?php
 608         if ( $locations_screen ) :
 609                 if ( 1 == $num_locations ) {
 610                         echo '<p>' . __( 'Your theme supports one menu. Select which menu you would like to use.' ) . '</p>';
 611                 } else {
 612                         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>';
 613                 }
 614         ?>
 615         <div id="menu-locations-wrap">
 616                 <form method="post" action="<?php echo esc_url( add_query_arg( array( 'action' => 'locations' ), admin_url( 'nav-menus.php' ) ) ); ?>">
 617                         <table class="widefat fixed" id="menu-locations-table">
 618                                 <thead>
 619                                 <tr>
 620                                         <th scope="col" class="manage-column column-locations"><?php _e( 'Theme Location' ); ?></th>
 621                                         <th scope="col" class="manage-column column-menus"><?php _e( 'Assigned Menu' ); ?></th>
 622                                 </tr>
 623                                 </thead>
 624                                 <tbody class="menu-locations">
 625                                 <?php foreach ( $locations as $_location => $_name ) { ?>
 626                                         <tr class="menu-locations-row">
 627                                                 <td class="menu-location-title"><label for="locations-<?php echo $_location; ?>"><?php echo $_name; ?></label></td>
 628                                                 <td class="menu-location-menus">
 629                                                         <select name="menu-locations[<?php echo $_location; ?>]" id="locations-<?php echo $_location; ?>">
 630                                                                 <option value="0"><?php printf( '&mdash; %s &mdash;', esc_html__( 'Select a Menu' ) ); ?></option>
 631                                                                 <?php foreach ( $nav_menus as $menu ) : ?>
 632                                                                         <?php $selected = isset( $menu_locations[$_location] ) && $menu_locations[$_location] == $menu->term_id; ?>
 633                                                                         <option <?php if ( $selected ) echo 'data-orig="true"'; ?> <?php selected( $selected ); ?> value="<?php echo $menu->term_id; ?>">
 634                                                                                 <?php echo wp_html_excerpt( $menu->name, 40, '&hellip;' ); ?>
 635                                                                         </option>
 636                                                                 <?php endforeach; ?>
 637                                                         </select>
 638                                                         <div class="locations-row-links">
 639                                                                 <?php if ( isset( $menu_locations[ $_location ] ) && 0 != $menu_locations[ $_location ] ) : ?>
 640                                                                 <span class="locations-edit-menu-link">
 641                                                                         <a href="<?php echo esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => $menu_locations[$_location] ), admin_url( 'nav-menus.php' ) ) ); ?>">
 642                                                                                 <span aria-hidden="true"><?php _ex( 'Edit', 'menu' ); ?></span><span class="screen-reader-text"><?php _e( 'Edit selected menu' ); ?></span>
 643                                                                         </a>
 644                                                                 </span>
 645                                                                 <?php endif; ?>
 646                                                                 <span class="locations-add-menu-link">
 647                                                                         <a href="<?php echo esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => 0, 'use-location' => $_location ), admin_url( 'nav-menus.php' ) ) ); ?>">
 648                                                                                 <?php _ex( 'Use new menu', 'menu' ); ?>
 649                                                                         </a>
 650                                                                 </span>
 651                                                         </div><!-- .locations-row-links -->
 652                                                 </td><!-- .menu-location-menus -->
 653                                         </tr><!-- .menu-locations-row -->
 654                                 <?php } // foreach ?>
 655                                 </tbody>
 656                         </table>
 657                         <p class="button-controls wp-clearfix"><?php submit_button( __( 'Save Changes' ), 'primary left', 'nav-menu-locations', false ); ?></p>
 658                         <?php wp_nonce_field( 'save-menu-locations' ); ?>
 659                         <input type="hidden" name="menu" id="nav-menu-meta-object-id" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
 660                 </form>
 661         </div><!-- #menu-locations-wrap -->
 662         <?php
 663         /**
 664          * Fires after the menu locations table is displayed.
 665          *
 666          * @since 3.6.0
 667          */
 668         do_action( 'after_menu_locations_table' ); ?>
 669         <?php else : ?>
 670         <div class="manage-menus">
 671                 <?php if ( $menu_count < 2 ) : ?>
 672                 <span class="add-edit-menu-action">
 673                         <?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' ) ) ) ); ?>
 674                 </span><!-- /add-edit-menu-action -->
 675                 <?php else : ?>
 676                         <form method="get" action="<?php echo admin_url( 'nav-menus.php' ); ?>">
 677                         <input type="hidden" name="action" value="edit" />
 678                         <label for="select-menu-to-edit" class="selected-menu"><?php _e( 'Select a menu to edit:' ); ?></label>
 679                         <select name="menu" id="select-menu-to-edit">
 680                                 <?php if ( $add_new_screen ) : ?>
 681                                         <option value="0" selected="selected"><?php _e( '&mdash; Select &mdash;' ); ?></option>
 682                                 <?php endif; ?>
 683                                 <?php foreach ( (array) $nav_menus as $_nav_menu ) : ?>
 684                                         <option value="<?php echo esc_attr( $_nav_menu->term_id ); ?>" <?php selected( $_nav_menu->term_id, $nav_menu_selected_id ); ?>>
 685                                                 <?php
 686                                                 echo esc_html( $_nav_menu->truncated_name ) ;
 687
 688                                                 if ( ! empty( $menu_locations ) && in_array( $_nav_menu->term_id, $menu_locations ) ) {
 689                                                         $locations_assigned_to_this_menu = array();
 690                                                         foreach ( array_keys( $menu_locations, $_nav_menu->term_id ) as $menu_location_key ) {
 691                                                                 if ( isset( $locations[ $menu_location_key ] ) ) {
 692                                                                         $locations_assigned_to_this_menu[] = $locations[ $menu_location_key ];
 693                                                                 }
 694                                                         }
 695
 696                                                         /**
 697                                                          * Filters the number of locations listed per menu in the drop-down select.
 698                                                          *
 699                                                          * @since 3.6.0
 700                                                          *
 701                                                          * @param int $locations Number of menu locations to list. Default 3.
 702                                                          */
 703                                                         $assigned_locations = array_slice( $locations_assigned_to_this_menu, 0, absint( apply_filters( 'wp_nav_locations_listed_per_menu', 3 ) ) );
 704
 705                                                         // Adds ellipses following the number of locations defined in $assigned_locations.
 706                                                         if ( ! empty( $assigned_locations ) ) {
 707                                                                 printf( ' (%1$s%2$s)',
 708                                                                         implode( ', ', $assigned_locations ),
 709                                                                         count( $locations_assigned_to_this_menu ) > count( $assigned_locations ) ? ' &hellip;' : ''
 710                                                                 );
 711                                                         }
 712                                                 }
 713                                                 ?>
 714                                         </option>
 715                                 <?php endforeach; ?>
 716                         </select>
 717                         <span class="submit-btn"><input type="submit" class="button" value="<?php esc_attr_e( 'Select' ); ?>"></span>
 718                         <span class="add-new-menu-action">
 719                                 <?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' ) ) ) ); ?>
 720                         </span><!-- /add-new-menu-action -->
 721                 </form>
 722         <?php endif; ?>
 723         </div><!-- /manage-menus -->
 724         <div id="nav-menus-frame" class="wp-clearfix">
 725         <div id="menu-settings-column" class="metabox-holder<?php if ( isset( $_GET['menu'] ) && '0' == $_GET['menu'] ) { echo ' metabox-holder-disabled'; } ?>">
 726
 727                 <div class="clear"></div>
 728
 729                 <form id="nav-menu-meta" class="nav-menu-meta" method="post" enctype="multipart/form-data">
 730                         <input type="hidden" name="menu" id="nav-menu-meta-object-id" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
 731                         <input type="hidden" name="action" value="add-menu-item" />
 732                         <?php wp_nonce_field( 'add-menu_item', 'menu-settings-column-nonce' ); ?>
 733                         <?php do_accordion_sections( 'nav-menus', 'side', null ); ?>
 734                 </form>
 735
 736         </div><!-- /#menu-settings-column -->
 737         <div id="menu-management-liquid">
 738                 <div id="menu-management">
 739                         <form id="update-nav-menu" method="post" enctype="multipart/form-data">
 740                                 <div class="menu-edit <?php if ( $add_new_screen ) echo 'blank-slate'; ?>">
 741                                         <input type="hidden" name="nav-menu-data">
 742                                         <?php
 743                                         wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
 744                                         wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );
 745                                         wp_nonce_field( 'update-nav_menu', 'update-nav-menu-nonce' );
 746
 747                                         $menu_name_aria_desc = $add_new_screen ? ' aria-describedby="menu-name-desc"' : '';
 748
 749                                         if ( $one_theme_location_no_menus ) {
 750                                                 $menu_name_val = 'value="' . esc_attr( 'Menu 1' ) . '"';
 751                                         ?>
 752                                                 <input type="hidden" name="zero-menu-state" value="true" />
 753                                         <?php } else {
 754                                                 $menu_name_val = 'value="' . esc_attr( $nav_menu_selected_title ) . '"';
 755                                         } ?>
 756                                         <input type="hidden" name="action" value="update" />
 757                                         <input type="hidden" name="menu" id="menu" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
 758                                         <div id="nav-menu-header">
 759                                                 <div class="major-publishing-actions wp-clearfix">
 760                                                         <label class="menu-name-label" for="menu-name"><?php _e( 'Menu Name' ); ?></label>
 761                                                         <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; ?> />
 762                                                         <div class="publishing-action">
 763                                                                 <?php submit_button( empty( $nav_menu_selected_id ) ? __( 'Create Menu' ) : __( 'Save Menu' ), 'primary large menu-save', 'save_menu', false, array( 'id' => 'save_menu_header' ) ); ?>
 764                                                         </div><!-- END .publishing-action -->
 765                                                 </div><!-- END .major-publishing-actions -->
 766                                         </div><!-- END .nav-menu-header -->
 767                                         <div id="post-body">
 768                                                 <div id="post-body-content" class="wp-clearfix">
 769                                                         <?php if ( ! $add_new_screen ) : ?>
 770                                                         <h3><?php _e( 'Menu Structure' ); ?></h3>
 771                                                         <?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.' ); ?>
 772                                                         <div class="drag-instructions post-body-plain" <?php if ( isset( $menu_items ) && 0 == count( $menu_items ) ) { ?>style="display: none;"<?php } ?>>
 773                                                                 <p><?php echo $starter_copy; ?></p>
 774                                                         </div>
 775                                                         <?php
 776                                                         if ( isset( $edit_markup ) && ! is_wp_error( $edit_markup ) ) {
 777                                                                 echo $edit_markup;
 778                                                         } else {
 779                                                         ?>
 780                                                         <ul class="menu" id="menu-to-edit"></ul>
 781                                                         <?php } ?>
 782                                                         <?php endif; ?>
 783                                                         <?php if ( $add_new_screen ) : ?>
 784                                                                 <p class="post-body-plain" id="menu-name-desc"><?php _e( 'Give your menu a name, then click Create Menu.' ); ?></p>
 785                                                                 <?php if ( isset( $_GET['use-location'] ) ) : ?>
 786                                                                         <input type="hidden" name="use-location" value="<?php echo esc_attr( $_GET['use-location'] ); ?>" />
 787                                                                 <?php endif; ?>
 788                                                         <?php endif; ?>
 789                                                         <div class="menu-settings" <?php if ( $one_theme_location_no_menus ) { ?>style="display: none;"<?php } ?>>
 790                                                                 <h3><?php _e( 'Menu Settings' ); ?></h3>
 791                                                                 <?php
 792                                                                 if ( ! isset( $auto_add ) ) {
 793                                                                         $auto_add = get_option( 'nav_menu_options' );
 794                                                                         if ( ! isset( $auto_add['auto_add'] ) )
 795                                                                                 $auto_add = false;
 796                                                                         elseif ( false !== array_search( $nav_menu_selected_id, $auto_add['auto_add'] ) )
 797                                                                                 $auto_add = true;
 798                                                                         else
 799                                                                                 $auto_add = false;
 800                                                                 } ?>
 801
 802                                                                 <fieldset class="menu-settings-group auto-add-pages">
 803                                                                         <legend class="menu-settings-group-name howto"><?php _e( 'Auto add pages' ); ?></legend>
 804                                                                         <div class="menu-settings-input checkbox-input">
 805                                                                                 <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>
 806                                                                         </div>
 807                                                                 </fieldset>
 808
 809                                                                 <?php if ( current_theme_supports( 'menus' ) ) : ?>
 810
 811                                                                         <fieldset class="menu-settings-group menu-theme-locations">
 812                                                                                 <legend class="menu-settings-group-name howto"><?php _e( 'Display location' ); ?></legend>
 813                                                                                 <?php foreach ( $locations as $location => $description ) : ?>
 814                                                                                 <div class="menu-settings-input checkbox-input">
 815                                                                                         <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 ); ?>" />
 816                                                                                         <label for="locations-<?php echo esc_attr( $location ); ?>"><?php echo $description; ?></label>
 817                                                                                         <?php if ( ! empty( $menu_locations[ $location ] ) && $menu_locations[ $location ] != $nav_menu_selected_id ) : ?>
 818                                                                                                 <span class="theme-location-set"><?php
 819                                                                                                         /* translators: %s: menu name */
 820                                                                                                         printf( _x( '(Currently set to: %s)', 'menu location' ),
 821                                                                                                                 wp_get_nav_menu_object( $menu_locations[ $location ] )->name
 822                                                                                                         );
 823                                                                                                 ?></span>
 824                                                                                         <?php endif; ?>
 825                                                                                 </div>
 826                                                                                 <?php endforeach; ?>
 827                                                                         </fieldset>
 828
 829                                                                 <?php endif; ?>
 830
 831                                                         </div>
 832                                                 </div><!-- /#post-body-content -->
 833                                         </div><!-- /#post-body -->
 834                                         <div id="nav-menu-footer">
 835                                                 <div class="major-publishing-actions wp-clearfix">
 836                                                         <?php if ( 0 != $menu_count && ! $add_new_screen ) : ?>
 837                                                         <span class="delete-action">
 838                                                                 <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>
 839                                                         </span><!-- END .delete-action -->
 840                                                         <?php endif; ?>
 841                                                         <div class="publishing-action">
 842                                                                 <?php submit_button( empty( $nav_menu_selected_id ) ? __( 'Create Menu' ) : __( 'Save Menu' ), 'primary large menu-save', 'save_menu', false, array( 'id' => 'save_menu_footer' ) ); ?>
 843                                                         </div><!-- END .publishing-action -->
 844                                                 </div><!-- END .major-publishing-actions -->
 845                                         </div><!-- /#nav-menu-footer -->
 846                                 </div><!-- /.menu-edit -->
 847                         </form><!-- /#update-nav-menu -->
 848                 </div><!-- /#menu-management -->
 849         </div><!-- /#menu-management-liquid -->
 850         </div><!-- /#nav-menus-frame -->
 851         <?php endif; ?>
 852 </div><!-- /.wrap-->
 853 <?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>