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>' . __( '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'] ) ? $_REQUEST['action'] : 'edit';
  51
  52 /**
  53  * If a JSON blob of navigation menu data is in POST data, expand it and inject
  54  * it into `$_POST` to avoid PHP `max_input_vars` limitations. See #14134.
  55  *
  56  * @ignore
  57  * @since 4.5.3
  58  * @access private
  59  */
  60 function _wp_expand_nav_menu_post_data() {
  61         if ( ! isset( $_POST['nav-menu-data'] ) ) {
  62                 return;
  63         }
  64
  65         $data = json_decode( stripslashes( $_POST['nav-menu-data'] ) );
  66
  67         if ( ! is_null( $data ) && $data ) {
  68                 foreach ( $data as $post_input_data ) {
  69                         // For input names that are arrays (e.g. `menu-item-db-id[3][4][5]`),
  70                         // derive the array path keys via regex and set the value in $_POST.
  71                         preg_match( '#([^\[]*)(\[(.+)\])?#', $post_input_data->name, $matches );
  72
  73                         $array_bits = array( $matches[1] );
  74
  75                         if ( isset( $matches[3] ) ) {
  76                                 $array_bits = array_merge( $array_bits, explode( '][', $matches[3] ) );
  77                         }
  78
  79                         $new_post_data = array();
  80
  81                         // Build the new array value from leaf to trunk.
  82                         for ( $i = count( $array_bits ) - 1; $i >= 0; $i -- ) {
  83                                 if ( $i == count( $array_bits ) - 1 ) {
  84                                         $new_post_data[ $array_bits[ $i ] ] = wp_slash( $post_input_data->value );
  85                                 } else {
  86                                         $new_post_data = array( $array_bits[ $i ] => $new_post_data );
  87                                 }
  88                         }
  89
  90                         $_POST = array_replace_recursive( $_POST, $new_post_data );
  91                 }
  92         }
  93 }
  94
  95 if ( ! function_exists( 'array_replace_recursive' ) ) :
  96         /**
  97          * PHP-agnostic version of {@link array_replace_recursive()}.
  98          *
  99          * The array_replace_recursive() function is a PHP 5.3 function. WordPress
 100          * currently supports down to PHP 5.2, so this method is a workaround
 101          * for PHP 5.2.
 102          *
 103          * Note: array_replace_recursive() supports infinite arguments, but for our use-
 104          * case, we only need to support two arguments.
 105          *
 106          * Subject to removal once WordPress makes PHP 5.3.0 the minimum requirement.
 107          *
 108          * @since 4.5.3
 109          *
 110          * @see http://php.net/manual/en/function.array-replace-recursive.php#109390
 111          *
 112          * @param  array $base         Array with keys needing to be replaced.
 113          * @param  array $replacements Array with the replaced keys.
 114          *
 115          * @return array
 116          */
 117         function array_replace_recursive( $base = array(), $replacements = array() ) {
 118                 foreach ( array_slice( func_get_args(), 1 ) as $replacements ) {
 119                         $bref_stack = array( &$base );
 120                         $head_stack = array( $replacements );
 121
 122                         do {
 123                                 end( $bref_stack );
 124
 125                                 $bref = &$bref_stack[ key( $bref_stack ) ];
 126                                 $head = array_pop( $head_stack );
 127
 128                                 unset( $bref_stack[ key( $bref_stack ) ] );
 129
 130                                 foreach ( array_keys( $head ) as $key ) {
 131                                         if ( isset( $key, $bref ) &&
 132                                              isset( $bref[ $key ] ) && is_array( $bref[ $key ] ) &&
 133                                              isset( $head[ $key ] ) && is_array( $head[ $key ] )
 134                                         ) {
 135                                                 $bref_stack[] = &$bref[ $key ];
 136                                                 $head_stack[] = $head[ $key ];
 137                                         } else {
 138                                                 $bref[ $key ] = $head[ $key ];
 139                                         }
 140                                 }
 141                         } while ( count( $head_stack ) );
 142                 }
 143
 144                 return $base;
 145         }
 146 endif;
 147
 148 /*
 149  * If a JSON blob of navigation menu data is found, expand it and inject it
 150  * into `$_POST` to avoid PHP `max_input_vars` limitations. See #14134.
 151  */
 152 _wp_expand_nav_menu_post_data();
 153
 154 switch ( $action ) {
 155         case 'add-menu-item':
 156                 check_admin_referer( 'add-menu_item', 'menu-settings-column-nonce' );
 157                 if ( isset( $_REQUEST['nav-menu-locations'] ) )
 158                         set_theme_mod( 'nav_menu_locations', array_map( 'absint', $_REQUEST['menu-locations'] ) );
 159                 elseif ( isset( $_REQUEST['menu-item'] ) )
 160                         wp_save_nav_menu_items( $nav_menu_selected_id, $_REQUEST['menu-item'] );
 161                 break;
 162         case 'move-down-menu-item' :
 163
 164                 // Moving down a menu item is the same as moving up the next in order.
 165                 check_admin_referer( 'move-menu_item' );
 166                 $menu_item_id = isset( $_REQUEST['menu-item'] ) ? (int) $_REQUEST['menu-item'] : 0;
 167                 if ( is_nav_menu_item( $menu_item_id ) ) {
 168                         $menus = isset( $_REQUEST['menu'] ) ? array( (int) $_REQUEST['menu'] ) : wp_get_object_terms( $menu_item_id, 'nav_menu', array( 'fields' => 'ids' ) );
 169                         if ( ! is_wp_error( $menus ) && ! empty( $menus[0] ) ) {
 170                                 $menu_id = (int) $menus[0];
 171                                 $ordered_menu_items = wp_get_nav_menu_items( $menu_id );
 172                                 $menu_item_data = (array) wp_setup_nav_menu_item( get_post( $menu_item_id ) );
 173
 174                                 // Set up the data we need in one pass through the array of menu items.
 175                                 $dbids_to_orders = array();
 176                                 $orders_to_dbids = array();
 177                                 foreach ( (array) $ordered_menu_items as $ordered_menu_item_object ) {
 178                                         if ( isset( $ordered_menu_item_object->ID ) ) {
 179                                                 if ( isset( $ordered_menu_item_object->menu_order ) ) {
 180                                                         $dbids_to_orders[$ordered_menu_item_object->ID] = $ordered_menu_item_object->menu_order;
 181                                                         $orders_to_dbids[$ordered_menu_item_object->menu_order] = $ordered_menu_item_object->ID;
 182                                                 }
 183                                         }
 184                                 }
 185
 186                                 // Get next in order.
 187                                 if (
 188                                         isset( $orders_to_dbids[$dbids_to_orders[$menu_item_id] + 1] )
 189                                 ) {
 190                                         $next_item_id = $orders_to_dbids[$dbids_to_orders[$menu_item_id] + 1];
 191                                         $next_item_data = (array) wp_setup_nav_menu_item( get_post( $next_item_id ) );
 192
 193                                         // If not siblings of same parent, bubble menu item up but keep order.
 194                                         if (
 195                                                 ! empty( $menu_item_data['menu_item_parent'] ) &&
 196                                                 (
 197                                                         empty( $next_item_data['menu_item_parent'] ) ||
 198                                                         $next_item_data['menu_item_parent'] != $menu_item_data['menu_item_parent']
 199                                                 )
 200                                         ) {
 201
 202                                                 $parent_db_id = in_array( $menu_item_data['menu_item_parent'], $orders_to_dbids ) ? (int) $menu_item_data['menu_item_parent'] : 0;
 203
 204                                                 $parent_object = wp_setup_nav_menu_item( get_post( $parent_db_id ) );
 205
 206                                                 if ( ! is_wp_error( $parent_object ) ) {
 207                                                         $parent_data = (array) $parent_object;
 208                                                         $menu_item_data['menu_item_parent'] = $parent_data['menu_item_parent'];
 209                                                         update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
 210
 211                                                 }
 212
 213                                         // Make menu item a child of its next sibling.
 214                                         } else {
 215                                                 $next_item_data['menu_order'] = $next_item_data['menu_order'] - 1;
 216                                                 $menu_item_data['menu_order'] = $menu_item_data['menu_order'] + 1;
 217
 218                                                 $menu_item_data['menu_item_parent'] = $next_item_data['ID'];
 219                                                 update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
 220
 221                                                 wp_update_post($menu_item_data);
 222                                                 wp_update_post($next_item_data);
 223                                         }
 224
 225                                 // The item is last but still has a parent, so bubble up.
 226                                 } elseif (
 227                                         ! empty( $menu_item_data['menu_item_parent'] ) &&
 228                                         in_array( $menu_item_data['menu_item_parent'], $orders_to_dbids )
 229                                 ) {
 230                                         $menu_item_data['menu_item_parent'] = (int) get_post_meta( $menu_item_data['menu_item_parent'], '_menu_item_menu_item_parent', true);
 231                                         update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
 232                                 }
 233                         }
 234                 }
 235
 236                 break;
 237         case 'move-up-menu-item' :
 238                 check_admin_referer( 'move-menu_item' );
 239                 $menu_item_id = isset( $_REQUEST['menu-item'] ) ? (int) $_REQUEST['menu-item'] : 0;
 240                 if ( is_nav_menu_item( $menu_item_id ) ) {
 241                         $menus = isset( $_REQUEST['menu'] ) ? array( (int) $_REQUEST['menu'] ) : wp_get_object_terms( $menu_item_id, 'nav_menu', array( 'fields' => 'ids' ) );
 242                         if ( ! is_wp_error( $menus ) && ! empty( $menus[0] ) ) {
 243                                 $menu_id = (int) $menus[0];
 244                                 $ordered_menu_items = wp_get_nav_menu_items( $menu_id );
 245                                 $menu_item_data = (array) wp_setup_nav_menu_item( get_post( $menu_item_id ) );
 246
 247                                 // Set up the data we need in one pass through the array of menu items.
 248                                 $dbids_to_orders = array();
 249                                 $orders_to_dbids = array();
 250                                 foreach ( (array) $ordered_menu_items as $ordered_menu_item_object ) {
 251                                         if ( isset( $ordered_menu_item_object->ID ) ) {
 252                                                 if ( isset( $ordered_menu_item_object->menu_order ) ) {
 253                                                         $dbids_to_orders[$ordered_menu_item_object->ID] = $ordered_menu_item_object->menu_order;
 254                                                         $orders_to_dbids[$ordered_menu_item_object->menu_order] = $ordered_menu_item_object->ID;
 255                                                 }
 256                                         }
 257                                 }
 258
 259                                 // If this menu item is not first.
 260                                 if ( ! empty( $dbids_to_orders[$menu_item_id] ) && ! empty( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) ) {
 261
 262                                         // If this menu item is a child of the previous.
 263                                         if (
 264                                                 ! empty( $menu_item_data['menu_item_parent'] ) &&
 265                                                 in_array( $menu_item_data['menu_item_parent'], array_keys( $dbids_to_orders ) ) &&
 266                                                 isset( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) &&
 267                                                 ( $menu_item_data['menu_item_parent'] == $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] )
 268                                         ) {
 269                                                 $parent_db_id = in_array( $menu_item_data['menu_item_parent'], $orders_to_dbids ) ? (int) $menu_item_data['menu_item_parent'] : 0;
 270                                                 $parent_object = wp_setup_nav_menu_item( get_post( $parent_db_id ) );
 271
 272                                                 if ( ! is_wp_error( $parent_object ) ) {
 273                                                         $parent_data = (array) $parent_object;
 274
 275                                                         /*
 276                                                          * If there is something before the parent and parent a child of it,
 277                                                          * make menu item a child also of it.
 278                                                          */
 279                                                         if (
 280                                                                 ! empty( $dbids_to_orders[$parent_db_id] ) &&
 281                                                                 ! empty( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1] ) &&
 282                                                                 ! empty( $parent_data['menu_item_parent'] )
 283                                                         ) {
 284                                                                 $menu_item_data['menu_item_parent'] = $parent_data['menu_item_parent'];
 285
 286                                                         /*
 287                                                          * Else if there is something before parent and parent not a child of it,
 288                                                          * make menu item a child of that something's parent
 289                                                          */
 290                                                         } elseif (
 291                                                                 ! empty( $dbids_to_orders[$parent_db_id] ) &&
 292                                                                 ! empty( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1] )
 293                                                         ) {
 294                                                                 $_possible_parent_id = (int) get_post_meta( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1], '_menu_item_menu_item_parent', true);
 295                                                                 if ( in_array( $_possible_parent_id, array_keys( $dbids_to_orders ) ) )
 296                                                                         $menu_item_data['menu_item_parent'] = $_possible_parent_id;
 297                                                                 else
 298                                                                         $menu_item_data['menu_item_parent'] = 0;
 299
 300                                                         // Else there isn't something before the parent.
 301                                                         } else {
 302                                                                 $menu_item_data['menu_item_parent'] = 0;
 303                                                         }
 304
 305                                                         // Set former parent's [menu_order] to that of menu-item's.
 306                                                         $parent_data['menu_order'] = $parent_data['menu_order'] + 1;
 307
 308                                                         // Set menu-item's [menu_order] to that of former parent.
 309                                                         $menu_item_data['menu_order'] = $menu_item_data['menu_order'] - 1;
 310
 311                                                         // Save changes.
 312                                                         update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
 313                                                         wp_update_post($menu_item_data);
 314                                                         wp_update_post($parent_data);
 315                                                 }
 316
 317                                         // Else this menu item is not a child of the previous.
 318                                         } elseif (
 319                                                 empty( $menu_item_data['menu_order'] ) ||
 320                                                 empty( $menu_item_data['menu_item_parent'] ) ||
 321                                                 ! in_array( $menu_item_data['menu_item_parent'], array_keys( $dbids_to_orders ) ) ||
 322                                                 empty( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) ||
 323                                                 $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] != $menu_item_data['menu_item_parent']
 324                                         ) {
 325                                                 // Just make it a child of the previous; keep the order.
 326                                                 $menu_item_data['menu_item_parent'] = (int) $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1];
 327                                                 update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
 328                                                 wp_update_post($menu_item_data);
 329                                         }
 330                                 }
 331                         }
 332                 }
 333                 break;
 334
 335         case 'delete-menu-item':
 336                 $menu_item_id = (int) $_REQUEST['menu-item'];
 337
 338                 check_admin_referer( 'delete-menu_item_' . $menu_item_id );
 339
 340                 if ( is_nav_menu_item( $menu_item_id ) && wp_delete_post( $menu_item_id, true ) )
 341                         $messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __('The menu item has been successfully deleted.') . '</p></div>';
 342                 break;
 343
 344         case 'delete':
 345                 check_admin_referer( 'delete-nav_menu-' . $nav_menu_selected_id );
 346                 if ( is_nav_menu( $nav_menu_selected_id ) ) {
 347                         $deletion = wp_delete_nav_menu( $nav_menu_selected_id );
 348                 } else {
 349                         // Reset the selected menu.
 350                         $nav_menu_selected_id = 0;
 351                         unset( $_REQUEST['menu'] );
 352                 }
 353
 354                 if ( ! isset( $deletion ) )
 355                         break;
 356
 357                 if ( is_wp_error( $deletion ) )
 358                         $messages[] = '<div id="message" class="error notice is-dismissible"><p>' . $deletion->get_error_message() . '</p></div>';
 359                 else
 360                         $messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __( 'The menu has been successfully deleted.' ) . '</p></div>';
 361                 break;
 362
 363         case 'delete_menus':
 364                 check_admin_referer( 'nav_menus_bulk_actions' );
 365                 foreach ( $_REQUEST['delete_menus'] as $menu_id_to_delete ) {
 366                         if ( ! is_nav_menu( $menu_id_to_delete ) )
 367                                 continue;
 368
 369                         $deletion = wp_delete_nav_menu( $menu_id_to_delete );
 370                         if ( is_wp_error( $deletion ) ) {
 371                                 $messages[] = '<div id="message" class="error notice is-dismissible"><p>' . $deletion->get_error_message() . '</p></div>';
 372                                 $deletion_error = true;
 373                         }
 374                 }
 375
 376                 if ( empty( $deletion_error ) )
 377                         $messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __( 'Selected menus have been successfully deleted.' ) . '</p></div>';
 378                 break;
 379
 380         case 'update':
 381                 check_admin_referer( 'update-nav_menu', 'update-nav-menu-nonce' );
 382
 383                 // Remove menu locations that have been unchecked.
 384                 foreach ( $locations as $location => $description ) {
 385                         if ( ( empty( $_POST['menu-locations'] ) || empty( $_POST['menu-locations'][ $location ] ) ) && isset( $menu_locations[ $location ] ) && $menu_locations[ $location ] == $nav_menu_selected_id )
 386                                 unset( $menu_locations[ $location ] );
 387                 }
 388
 389                 // Merge new and existing menu locations if any new ones are set.
 390                 if ( isset( $_POST['menu-locations'] ) ) {
 391                         $new_menu_locations = array_map( 'absint', $_POST['menu-locations'] );
 392                         $menu_locations = array_merge( $menu_locations, $new_menu_locations );
 393                 }
 394
 395                 // Set menu locations.
 396                 set_theme_mod( 'nav_menu_locations', $menu_locations );
 397
 398                 // Add Menu.
 399                 if ( 0 == $nav_menu_selected_id ) {
 400                         $new_menu_title = trim( esc_html( $_POST['menu-name'] ) );
 401
 402                         if ( $new_menu_title ) {
 403                                 $_nav_menu_selected_id = wp_update_nav_menu_object( 0, array('menu-name' => $new_menu_title) );
 404
 405                                 if ( is_wp_error( $_nav_menu_selected_id ) ) {
 406                                         $messages[] = '<div id="message" class="error notice is-dismissible"><p>' . $_nav_menu_selected_id->get_error_message() . '</p></div>';
 407                                 } else {
 408                                         $_menu_object = wp_get_nav_menu_object( $_nav_menu_selected_id );
 409                                         $nav_menu_selected_id = $_nav_menu_selected_id;
 410                                         $nav_menu_selected_title = $_menu_object->name;
 411                                         if ( isset( $_REQUEST['menu-item'] ) )
 412                                                 wp_save_nav_menu_items( $nav_menu_selected_id, absint( $_REQUEST['menu-item'] ) );
 413                                         if ( isset( $_REQUEST['zero-menu-state'] ) ) {
 414                                                 // If there are menu items, add them
 415                                                 wp_nav_menu_update_menu_items( $nav_menu_selected_id, $nav_menu_selected_title );
 416                                                 // Auto-save nav_menu_locations
 417                                                 $locations = get_nav_menu_locations();
 418                                                 foreach ( $locations as $location => $menu_id ) {
 419                                                                 $locations[ $location ] = $nav_menu_selected_id;
 420                                                                 break; // There should only be 1
 421                                                 }
 422                                                 set_theme_mod( 'nav_menu_locations', $locations );
 423                                         }
 424                                         if ( isset( $_REQUEST['use-location'] ) ) {
 425                                                 $locations = get_registered_nav_menus();
 426                                                 $menu_locations = get_nav_menu_locations();
 427                                                 if ( isset( $locations[ $_REQUEST['use-location'] ] ) )
 428                                                         $menu_locations[ $_REQUEST['use-location'] ] = $nav_menu_selected_id;
 429                                                 set_theme_mod( 'nav_menu_locations', $menu_locations );
 430                                         }
 431
 432                                         // $messages[] = '<div id="message" class="updated"><p>' . sprintf( __( '<strong>%s</strong> has been created.' ), $nav_menu_selected_title ) . '</p></div>';
 433                                         wp_redirect( admin_url( 'nav-menus.php?menu=' . $_nav_menu_selected_id ) );
 434                                         exit();
 435                                 }
 436                         } else {
 437                                 $messages[] = '<div id="message" class="error notice is-dismissible"><p>' . __( 'Please enter a valid menu name.' ) . '</p></div>';
 438                         }
 439
 440                 // Update existing menu.
 441                 } else {
 442
 443                         $_menu_object = wp_get_nav_menu_object( $nav_menu_selected_id );
 444
 445                         $menu_title = trim( esc_html( $_POST['menu-name'] ) );
 446                         if ( ! $menu_title ) {
 447                                 $messages[] = '<div id="message" class="error notice is-dismissible"><p>' . __( 'Please enter a valid menu name.' ) . '</p></div>';
 448                                 $menu_title = $_menu_object->name;
 449                         }
 450
 451                         if ( ! is_wp_error( $_menu_object ) ) {
 452                                 $_nav_menu_selected_id = wp_update_nav_menu_object( $nav_menu_selected_id, array( 'menu-name' => $menu_title ) );
 453                                 if ( is_wp_error( $_nav_menu_selected_id ) ) {
 454                                         $_menu_object = $_nav_menu_selected_id;
 455                                         $messages[] = '<div id="message" class="error notice is-dismissible"><p>' . $_nav_menu_selected_id->get_error_message() . '</p></div>';
 456                                 } else {
 457                                         $_menu_object = wp_get_nav_menu_object( $_nav_menu_selected_id );
 458                                         $nav_menu_selected_title = $_menu_object->name;
 459                                 }
 460                         }
 461
 462                         // Update menu items.
 463                         if ( ! is_wp_error( $_menu_object ) ) {
 464                                 $messages = array_merge( $messages, wp_nav_menu_update_menu_items( $_nav_menu_selected_id, $nav_menu_selected_title ) );
 465
 466                                 // If the menu ID changed, redirect to the new URL.
 467                                 if ( $nav_menu_selected_id != $_nav_menu_selected_id ) {
 468                                         wp_redirect( admin_url( 'nav-menus.php?menu=' . intval( $_nav_menu_selected_id ) ) );
 469                                         exit();
 470                                 }
 471                         }
 472                 }
 473                 break;
 474         case 'locations':
 475                 if ( ! $num_locations ) {
 476                         wp_redirect( admin_url( 'nav-menus.php' ) );
 477                         exit();
 478                 }
 479
 480                 add_filter( 'screen_options_show_screen', '__return_false' );
 481
 482                 if ( isset( $_POST['menu-locations'] ) ) {
 483                         check_admin_referer( 'save-menu-locations' );
 484
 485                         $new_menu_locations = array_map( 'absint', $_POST['menu-locations'] );
 486                         $menu_locations = array_merge( $menu_locations, $new_menu_locations );
 487                         // Set menu locations
 488                         set_theme_mod( 'nav_menu_locations', $menu_locations );
 489
 490                         $messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __( 'Menu locations updated.' ) . '</p></div>';
 491                 }
 492                 break;
 493 }
 494
 495 // Get all nav menus.
 496 $nav_menus = wp_get_nav_menus();
 497 $menu_count = count( $nav_menus );
 498
 499 // Are we on the add new screen?
 500 $add_new_screen = ( isset( $_GET['menu'] ) && 0 == $_GET['menu'] ) ? true : false;
 501
 502 $locations_screen = ( isset( $_GET['action'] ) && 'locations' == $_GET['action'] ) ? true : false;
 503
 504 /*
 505  * If we have one theme location, and zero menus, we take them right
 506  * into editing their first menu.
 507  */
 508 $page_count = wp_count_posts( 'page' );
 509 $one_theme_location_no_menus = ( 1 == count( get_registered_nav_menus() ) && ! $add_new_screen && empty( $nav_menus ) && ! empty( $page_count->publish ) ) ? true : false;
 510
 511 $nav_menus_l10n = array(
 512         'oneThemeLocationNoMenus' => $one_theme_location_no_menus,
 513         'moveUp'       => __( 'Move up one' ),
 514         'moveDown'     => __( 'Move down one' ),
 515         'moveToTop'    => __( 'Move to the top' ),
 516         /* translators: %s: previous item name */
 517         'moveUnder'    => __( 'Move under %s' ),
 518         /* translators: %s: previous item name */
 519         'moveOutFrom'  => __( 'Move out from under %s' ),
 520         /* translators: %s: previous item name */
 521         'under'        => __( 'Under %s' ),
 522         /* translators: %s: previous item name */
 523         'outFrom'      => __( 'Out from under %s' ),
 524         /* translators: 1: item name, 2: item position, 3: total number of items */
 525         'menuFocus'    => __( '%1$s. Menu item %2$d of %3$d.' ),
 526         /* translators: 1: item name, 2: item position, 3: parent item name */
 527         'subMenuFocus' => __( '%1$s. Sub item number %2$d under %3$s.' ),
 528 );
 529 wp_localize_script( 'nav-menu', 'menus', $nav_menus_l10n );
 530
 531 /*
 532  * Redirect to add screen if there are no menus and this users has either zero,
 533  * or more than 1 theme locations.
 534  */
 535 if ( 0 == $menu_count && ! $add_new_screen && ! $one_theme_location_no_menus )
 536         wp_redirect( admin_url( 'nav-menus.php?action=edit&menu=0' ) );
 537
 538 // Get recently edited nav menu.
 539 $recently_edited = absint( get_user_option( 'nav_menu_recently_edited' ) );
 540 if ( empty( $recently_edited ) && is_nav_menu( $nav_menu_selected_id ) )
 541         $recently_edited = $nav_menu_selected_id;
 542
 543 // Use $recently_edited if none are selected.
 544 if ( empty( $nav_menu_selected_id ) && ! isset( $_GET['menu'] ) && is_nav_menu( $recently_edited ) )
 545         $nav_menu_selected_id = $recently_edited;
 546
 547 // On deletion of menu, if another menu exists, show it.
 548 if ( ! $add_new_screen && 0 < $menu_count && isset( $_GET['action'] ) && 'delete' == $_GET['action'] )
 549         $nav_menu_selected_id = $nav_menus[0]->term_id;
 550
 551 // Set $nav_menu_selected_id to 0 if no menus.
 552 if ( $one_theme_location_no_menus ) {
 553         $nav_menu_selected_id = 0;
 554 } elseif ( empty( $nav_menu_selected_id ) && ! empty( $nav_menus ) && ! $add_new_screen ) {
 555         // if we have no selection yet, and we have menus, set to the first one in the list.
 556         $nav_menu_selected_id = $nav_menus[0]->term_id;
 557 }
 558
 559 // Update the user's setting.
 560 if ( $nav_menu_selected_id != $recently_edited && is_nav_menu( $nav_menu_selected_id ) )
 561         update_user_meta( $current_user->ID, 'nav_menu_recently_edited', $nav_menu_selected_id );
 562
 563 // If there's a menu, get its name.
 564 if ( ! $nav_menu_selected_title && is_nav_menu( $nav_menu_selected_id ) ) {
 565         $_menu_object = wp_get_nav_menu_object( $nav_menu_selected_id );
 566         $nav_menu_selected_title = ! is_wp_error( $_menu_object ) ? $_menu_object->name : '';
 567 }
 568
 569 // Generate truncated menu names.
 570 foreach ( (array) $nav_menus as $key => $_nav_menu ) {
 571         $nav_menus[$key]->truncated_name = wp_html_excerpt( $_nav_menu->name, 40, '&hellip;' );
 572 }
 573
 574 // Retrieve menu locations.
 575 if ( current_theme_supports( 'menus' ) ) {
 576         $locations = get_registered_nav_menus();
 577         $menu_locations = get_nav_menu_locations();
 578 }
 579
 580 /*
 581  * Ensure the user will be able to scroll horizontally
 582  * by adding a class for the max menu depth.
 583  *
 584  * @global int $_wp_nav_menu_max_depth
 585  */
 586 global $_wp_nav_menu_max_depth;
 587 $_wp_nav_menu_max_depth = 0;
 588
 589 // Calling wp_get_nav_menu_to_edit generates $_wp_nav_menu_max_depth.
 590 if ( is_nav_menu( $nav_menu_selected_id ) ) {
 591         $menu_items = wp_get_nav_menu_items( $nav_menu_selected_id, array( 'post_status' => 'any' ) );
 592         $edit_markup = wp_get_nav_menu_to_edit( $nav_menu_selected_id );
 593 }
 594
 595 /**
 596  *
 597  * @global int $_wp_nav_menu_max_depth
 598  *
 599  * @param string $classes
 600  * @return string
 601  */
 602 function wp_nav_menu_max_depth( $classes ) {
 603         global $_wp_nav_menu_max_depth;
 604         return "$classes menu-max-depth-$_wp_nav_menu_max_depth";
 605 }
 606
 607 add_filter('admin_body_class', 'wp_nav_menu_max_depth');
 608
 609 wp_nav_menu_setup();
 610 wp_initial_nav_menu_meta_boxes();
 611
 612 if ( ! current_theme_supports( 'menus' ) && ! $num_locations )
 613         $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>';
 614
 615 if ( ! $locations_screen ) : // Main tab
 616         $overview  = '<p>' . __( 'This screen is used for managing your custom navigation menus.' ) . '</p>';
 617         $overview .= '<p>' . sprintf( __( 'Menus can be displayed in locations defined by your theme, even used in sidebars by adding a &#8220;Custom Menu&#8221; widget on the <a href="%1$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 Fifteen', 'Twenty Fourteen' ) . '</p>';
 618         $overview .= '<p>' . __( 'From this screen you can:' ) . '</p>';
 619         $overview .= '<ul><li>' . __( 'Create, edit, and delete menus' ) . '</li>';
 620         $overview .= '<li>' . __( 'Add, organize, and modify individual menu items' ) . '</li></ul>';
 621
 622         get_current_screen()->add_help_tab( array(
 623                 'id'      => 'overview',
 624                 'title'   => __( 'Overview' ),
 625                 'content' => $overview
 626         ) );
 627
 628         $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>';
 629         $menu_management .= '<ul><li>' . __( 'To edit an existing menu, <strong>choose a menu from the drop down and click Select</strong>' ) . '</li>';
 630         $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>';
 631         $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>';
 632
 633         get_current_screen()->add_help_tab( array(
 634                 'id'      => 'menu-management',
 635                 'title'   => __( 'Menu Management' ),
 636                 'content' => $menu_management
 637         ) );
 638
 639         $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>';
 640         $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>';
 641         $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>';
 642         $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>';
 643         $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>';
 644         $editing_menus .= '<li>' . __( 'Delete a menu item by <strong>expanding it and clicking the Remove link</strong>' ) . '</li></ul>';
 645
 646         get_current_screen()->add_help_tab( array(
 647                 'id'      => 'editing-menus',
 648                 'title'   => __( 'Editing Menus' ),
 649                 'content' => $editing_menus
 650         ) );
 651 else : // Locations Tab.
 652         $locations_overview  = '<p>' . __( 'This screen is used for globally assigning menus to locations defined by your theme.' ) . '</p>';
 653         $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>';
 654         $locations_overview .= '<li>' . __( 'To edit a menu currently assigned to a theme location, <strong>click the adjacent &#8217;Edit&#8217; link</strong>' ) . '</li>';
 655         $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>';
 656
 657         get_current_screen()->add_help_tab( array(
 658                 'id'      => 'locations-overview',
 659                 'title'   => __( 'Overview' ),
 660                 'content' => $locations_overview
 661         ) );
 662 endif;
 663
 664 get_current_screen()->set_help_sidebar(
 665         '<p><strong>' . __('For more information:') . '</strong></p>' .
 666         '<p>' . __('<a href="https://codex.wordpress.org/Appearance_Menus_Screen" target="_blank">Documentation on Menus</a>') . '</p>' .
 667         '<p>' . __('<a href="https://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
 668 );
 669
 670 // Get the admin header.
 671 require_once( ABSPATH . 'wp-admin/admin-header.php' );
 672 ?>
 673 <div class="wrap">
 674         <h1><?php echo esc_html( __( 'Menus' ) ); ?>
 675                 <?php
 676                 if ( current_user_can( 'customize' ) ) :
 677                         $focus = $locations_screen ? array( 'section' => 'menu_locations' ) : array( 'panel' => 'nav_menus' );
 678                         printf(
 679                                 ' <a class="page-title-action hide-if-no-customize" href="%1$s">%2$s</a>',
 680                                 esc_url( add_query_arg( array(
 681                                         array( 'autofocus' => $focus ),
 682                                         'return' => urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ),
 683                                 ), admin_url( 'customize.php' ) ) ),
 684                                 __( 'Manage in Customizer' )
 685                         );
 686                 endif;
 687                 ?>
 688         </h1>
 689         <h2 class="nav-tab-wrapper wp-clearfix">
 690                 <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>
 691                 <?php if ( $num_locations && $menu_count ) : ?>
 692                         <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>
 693                 <?php
 694                         endif;
 695                 ?>
 696         </h2>
 697         <?php
 698         foreach ( $messages as $message ) :
 699                 echo $message . "\n";
 700         endforeach;
 701         ?>
 702         <?php
 703         if ( $locations_screen ) :
 704                 if ( 1 == $num_locations ) {
 705                         echo '<p>' . __( 'Your theme supports one menu. Select which menu you would like to use.' ) . '</p>';
 706                 } else {
 707                         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>';
 708                 }
 709         ?>
 710         <div id="menu-locations-wrap">
 711                 <form method="post" action="<?php echo esc_url( add_query_arg( array( 'action' => 'locations' ), admin_url( 'nav-menus.php' ) ) ); ?>">
 712                         <table class="widefat fixed" id="menu-locations-table">
 713                                 <thead>
 714                                 <tr>
 715                                         <th scope="col" class="manage-column column-locations"><?php _e( 'Theme Location' ); ?></th>
 716                                         <th scope="col" class="manage-column column-menus"><?php _e( 'Assigned Menu' ); ?></th>
 717                                 </tr>
 718                                 </thead>
 719                                 <tbody class="menu-locations">
 720                                 <?php foreach ( $locations as $_location => $_name ) { ?>
 721                                         <tr class="menu-locations-row">
 722                                                 <td class="menu-location-title"><label for="locations-<?php echo $_location; ?>"><?php echo $_name; ?></label></td>
 723                                                 <td class="menu-location-menus">
 724                                                         <select name="menu-locations[<?php echo $_location; ?>]" id="locations-<?php echo $_location; ?>">
 725                                                                 <option value="0"><?php printf( '&mdash; %s &mdash;', esc_html__( 'Select a Menu' ) ); ?></option>
 726                                                                 <?php foreach ( $nav_menus as $menu ) : ?>
 727                                                                         <?php $selected = isset( $menu_locations[$_location] ) && $menu_locations[$_location] == $menu->term_id; ?>
 728                                                                         <option <?php if ( $selected ) echo 'data-orig="true"'; ?> <?php selected( $selected ); ?> value="<?php echo $menu->term_id; ?>">
 729                                                                                 <?php echo wp_html_excerpt( $menu->name, 40, '&hellip;' ); ?>
 730                                                                         </option>
 731                                                                 <?php endforeach; ?>
 732                                                         </select>
 733                                                         <div class="locations-row-links">
 734                                                                 <?php if ( isset( $menu_locations[ $_location ] ) && 0 != $menu_locations[ $_location ] ) : ?>
 735                                                                 <span class="locations-edit-menu-link">
 736                                                                         <a href="<?php echo esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => $menu_locations[$_location] ), admin_url( 'nav-menus.php' ) ) ); ?>">
 737                                                                                 <span aria-hidden="true"><?php _ex( 'Edit', 'menu' ); ?></span><span class="screen-reader-text"><?php _e( 'Edit selected menu' ); ?></span>
 738                                                                         </a>
 739                                                                 </span>
 740                                                                 <?php endif; ?>
 741                                                                 <span class="locations-add-menu-link">
 742                                                                         <a href="<?php echo esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => 0, 'use-location' => $_location ), admin_url( 'nav-menus.php' ) ) ); ?>">
 743                                                                                 <?php _ex( 'Use new menu', 'menu' ); ?>
 744                                                                         </a>
 745                                                                 </span>
 746                                                         </div><!-- .locations-row-links -->
 747                                                 </td><!-- .menu-location-menus -->
 748                                         </tr><!-- .menu-locations-row -->
 749                                 <?php } // foreach ?>
 750                                 </tbody>
 751                         </table>
 752                         <p class="button-controls wp-clearfix"><?php submit_button( __( 'Save Changes' ), 'primary left', 'nav-menu-locations', false ); ?></p>
 753                         <?php wp_nonce_field( 'save-menu-locations' ); ?>
 754                         <input type="hidden" name="menu" id="nav-menu-meta-object-id" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
 755                 </form>
 756         </div><!-- #menu-locations-wrap -->
 757         <?php
 758         /**
 759          * Fires after the menu locations table is displayed.
 760          *
 761          * @since 3.6.0
 762          */
 763         do_action( 'after_menu_locations_table' ); ?>
 764         <?php else : ?>
 765         <div class="manage-menus">
 766                 <?php if ( $menu_count < 2 ) : ?>
 767                 <span class="add-edit-menu-action">
 768                         <?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' ) ) ) ); ?>
 769                 </span><!-- /add-edit-menu-action -->
 770                 <?php else : ?>
 771                         <form method="get" action="<?php echo admin_url( 'nav-menus.php' ); ?>">
 772                         <input type="hidden" name="action" value="edit" />
 773                         <label for="select-menu-to-edit" class="selected-menu"><?php _e( 'Select a menu to edit:' ); ?></label>
 774                         <select name="menu" id="select-menu-to-edit">
 775                                 <?php if ( $add_new_screen ) : ?>
 776                                         <option value="0" selected="selected"><?php _e( '&mdash; Select &mdash;' ); ?></option>
 777                                 <?php endif; ?>
 778                                 <?php foreach ( (array) $nav_menus as $_nav_menu ) : ?>
 779                                         <option value="<?php echo esc_attr( $_nav_menu->term_id ); ?>" <?php selected( $_nav_menu->term_id, $nav_menu_selected_id ); ?>>
 780                                                 <?php
 781                                                 echo esc_html( $_nav_menu->truncated_name ) ;
 782
 783                                                 if ( ! empty( $menu_locations ) && in_array( $_nav_menu->term_id, $menu_locations ) ) {
 784                                                         $locations_assigned_to_this_menu = array();
 785                                                         foreach ( array_keys( $menu_locations, $_nav_menu->term_id ) as $menu_location_key ) {
 786                                                                 if ( isset( $locations[ $menu_location_key ] ) ) {
 787                                                                         $locations_assigned_to_this_menu[] = $locations[ $menu_location_key ];
 788                                                                 }
 789                                                         }
 790
 791                                                         /**
 792                                                          * Filter the number of locations listed per menu in the drop-down select.
 793                                                          *
 794                                                          * @since 3.6.0
 795                                                          *
 796                                                          * @param int $locations Number of menu locations to list. Default 3.
 797                                                          */
 798                                                         $assigned_locations = array_slice( $locations_assigned_to_this_menu, 0, absint( apply_filters( 'wp_nav_locations_listed_per_menu', 3 ) ) );
 799
 800                                                         // Adds ellipses following the number of locations defined in $assigned_locations.
 801                                                         if ( ! empty( $assigned_locations ) ) {
 802                                                                 printf( ' (%1$s%2$s)',
 803                                                                         implode( ', ', $assigned_locations ),
 804                                                                         count( $locations_assigned_to_this_menu ) > count( $assigned_locations ) ? ' &hellip;' : ''
 805                                                                 );
 806                                                         }
 807                                                 }
 808                                                 ?>
 809                                         </option>
 810                                 <?php endforeach; ?>
 811                         </select>
 812                         <span class="submit-btn"><input type="submit" class="button-secondary" value="<?php esc_attr_e( 'Select' ); ?>"></span>
 813                         <span class="add-new-menu-action">
 814                                 <?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' ) ) ) ); ?>
 815                         </span><!-- /add-new-menu-action -->
 816                 </form>
 817         <?php endif; ?>
 818         </div><!-- /manage-menus -->
 819         <div id="nav-menus-frame" class="wp-clearfix">
 820         <div id="menu-settings-column" class="metabox-holder<?php if ( isset( $_GET['menu'] ) && '0' == $_GET['menu'] ) { echo ' metabox-holder-disabled'; } ?>">
 821
 822                 <div class="clear"></div>
 823
 824                 <form id="nav-menu-meta" class="nav-menu-meta" method="post" enctype="multipart/form-data">
 825                         <input type="hidden" name="menu" id="nav-menu-meta-object-id" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
 826                         <input type="hidden" name="action" value="add-menu-item" />
 827                         <?php wp_nonce_field( 'add-menu_item', 'menu-settings-column-nonce' ); ?>
 828                         <?php do_accordion_sections( 'nav-menus', 'side', null ); ?>
 829                 </form>
 830
 831         </div><!-- /#menu-settings-column -->
 832         <div id="menu-management-liquid">
 833                 <div id="menu-management">
 834                         <form id="update-nav-menu" method="post" enctype="multipart/form-data">
 835                                 <div class="menu-edit <?php if ( $add_new_screen ) echo 'blank-slate'; ?>">
 836                                         <input type="hidden" name="nav-menu-data">
 837                                         <?php
 838                                         wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
 839                                         wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );
 840                                         wp_nonce_field( 'update-nav_menu', 'update-nav-menu-nonce' );
 841
 842                                         $menu_name_aria_desc = $add_new_screen ? ' aria-describedby="menu-name-desc"' : '';
 843
 844                                         if ( $one_theme_location_no_menus ) {
 845                                                 $menu_name_val = 'value="' . esc_attr( 'Menu 1' ) . '"';
 846                                         ?>
 847                                                 <input type="hidden" name="zero-menu-state" value="true" />
 848                                         <?php } else {
 849                                                 $menu_name_val = 'value="' . esc_attr( $nav_menu_selected_title ) . '"';
 850                                         } ?>
 851                                         <input type="hidden" name="action" value="update" />
 852                                         <input type="hidden" name="menu" id="menu" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
 853                                         <div id="nav-menu-header">
 854                                                 <div class="major-publishing-actions wp-clearfix">
 855                                                         <label class="menu-name-label" for="menu-name"><?php _e( 'Menu Name' ); ?></label>
 856                                                         <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; ?> />
 857                                                         <div class="publishing-action">
 858                                                                 <?php submit_button( empty( $nav_menu_selected_id ) ? __( 'Create Menu' ) : __( 'Save Menu' ), 'button-primary menu-save', 'save_menu', false, array( 'id' => 'save_menu_header' ) ); ?>
 859                                                         </div><!-- END .publishing-action -->
 860                                                 </div><!-- END .major-publishing-actions -->
 861                                         </div><!-- END .nav-menu-header -->
 862                                         <div id="post-body">
 863                                                 <div id="post-body-content" class="wp-clearfix">
 864                                                         <?php if ( ! $add_new_screen ) : ?>
 865                                                         <h3><?php _e( 'Menu Structure' ); ?></h3>
 866                                                         <?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.' ); ?>
 867                                                         <div class="drag-instructions post-body-plain" <?php if ( isset( $menu_items ) && 0 == count( $menu_items ) ) { ?>style="display: none;"<?php } ?>>
 868                                                                 <p><?php echo $starter_copy; ?></p>
 869                                                         </div>
 870                                                         <?php
 871                                                         if ( isset( $edit_markup ) && ! is_wp_error( $edit_markup ) ) {
 872                                                                 echo $edit_markup;
 873                                                         } else {
 874                                                         ?>
 875                                                         <ul class="menu" id="menu-to-edit"></ul>
 876                                                         <?php } ?>
 877                                                         <?php endif; ?>
 878                                                         <?php if ( $add_new_screen ) : ?>
 879                                                                 <p class="post-body-plain" id="menu-name-desc"><?php _e( 'Give your menu a name, then click Create Menu.' ); ?></p>
 880                                                                 <?php if ( isset( $_GET['use-location'] ) ) : ?>
 881                                                                         <input type="hidden" name="use-location" value="<?php echo esc_attr( $_GET['use-location'] ); ?>" />
 882                                                                 <?php endif; ?>
 883                                                         <?php endif; ?>
 884                                                         <div class="menu-settings" <?php if ( $one_theme_location_no_menus ) { ?>style="display: none;"<?php } ?>>
 885                                                                 <h3><?php _e( 'Menu Settings' ); ?></h3>
 886                                                                 <?php
 887                                                                 if ( ! isset( $auto_add ) ) {
 888                                                                         $auto_add = get_option( 'nav_menu_options' );
 889                                                                         if ( ! isset( $auto_add['auto_add'] ) )
 890                                                                                 $auto_add = false;
 891                                                                         elseif ( false !== array_search( $nav_menu_selected_id, $auto_add['auto_add'] ) )
 892                                                                                 $auto_add = true;
 893                                                                         else
 894                                                                                 $auto_add = false;
 895                                                                 } ?>
 896
 897                                                                 <dl class="auto-add-pages">
 898                                                                         <dt class="howto"><?php _e( 'Auto add pages' ); ?></dt>
 899                                                                         <dd class="checkbox-input"><input type="checkbox"<?php checked( $auto_add ); ?> name="auto-add-pages" id="auto-add-pages" value="1" /> <label for="auto-add-pages"><?php printf( __('Automatically add new top-level pages to this menu' ), esc_url( admin_url( 'edit.php?post_type=page' ) ) ); ?></label></dd>
 900                                                                 </dl>
 901
 902                                                                 <?php if ( current_theme_supports( 'menus' ) ) : ?>
 903
 904                                                                         <dl class="menu-theme-locations">
 905                                                                                 <dt class="howto"><?php _e( 'Theme locations' ); ?></dt>
 906                                                                                 <?php foreach ( $locations as $location => $description ) : ?>
 907                                                                                 <dd class="checkbox-input">
 908                                                                                         <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 ); ?>" />
 909                                                                                         <label for="locations-<?php echo esc_attr( $location ); ?>"><?php echo $description; ?></label>
 910                                                                                         <?php if ( ! empty( $menu_locations[ $location ] ) && $menu_locations[ $location ] != $nav_menu_selected_id ) : ?>
 911                                                                                                 <span class="theme-location-set"><?php
 912                                                                                                         /* translators: %s: menu name */
 913                                                                                                         printf( _x( '(Currently set to: %s)', 'menu location' ),
 914                                                                                                                 wp_get_nav_menu_object( $menu_locations[ $location ] )->name
 915                                                                                                         );
 916                                                                                                 ?></span>
 917                                                                                         <?php endif; ?>
 918                                                                                 </dd>
 919                                                                                 <?php endforeach; ?>
 920                                                                         </dl>
 921
 922                                                                 <?php endif; ?>
 923
 924                                                         </div>
 925                                                 </div><!-- /#post-body-content -->
 926                                         </div><!-- /#post-body -->
 927                                         <div id="nav-menu-footer">
 928                                                 <div class="major-publishing-actions wp-clearfix">
 929                                                         <?php if ( 0 != $menu_count && ! $add_new_screen ) : ?>
 930                                                         <span class="delete-action">
 931                                                                 <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>
 932                                                         </span><!-- END .delete-action -->
 933                                                         <?php endif; ?>
 934                                                         <div class="publishing-action">
 935                                                                 <?php submit_button( empty( $nav_menu_selected_id ) ? __( 'Create Menu' ) : __( 'Save Menu' ), 'button-primary menu-save', 'save_menu', false, array( 'id' => 'save_menu_footer' ) ); ?>
 936                                                         </div><!-- END .publishing-action -->
 937                                                 </div><!-- END .major-publishing-actions -->
 938                                         </div><!-- /#nav-menu-footer -->
 939                                 </div><!-- /.menu-edit -->
 940                         </form><!-- /#update-nav-menu -->
 941                 </div><!-- /#menu-management -->
 942         </div><!-- /#menu-management-liquid -->
 943         </div><!-- /#nav-menus-frame -->
 944         <?php endif; ?>
 945 </div><!-- /.wrap-->
 946 <?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>