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/wp-admin/ -> nav-menus.php (source)

   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  __DIR__ . '/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  
  22  // Permissions check.
  23  if ( ! current_user_can( 'edit_theme_options' ) ) {
  24      wp_die(
  25          '<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
  26          '<p>' . __( 'Sorry, you are not allowed to edit theme options on this site.' ) . '</p>',
  27          403
  28      );
  29  }
  30  
  31  // Used in the HTML title tag.
  32  $title = __( 'Menus' );
  33  
  34  wp_enqueue_script( 'nav-menu' );
  35  
  36  if ( wp_is_mobile() ) {
  37      wp_enqueue_script( 'jquery-touch-punch' );
  38  }
  39  
  40  // Container for any messages displayed to the user.
  41  $messages = array();
  42  
  43  // Container that stores the name of the active menu.
  44  $nav_menu_selected_title = '';
  45  
  46  // The menu id of the current menu being edited.
  47  $nav_menu_selected_id = isset( $_REQUEST['menu'] ) ? (int) $_REQUEST['menu'] : 0;
  48  
  49  // Get existing menu locations assignments.
  50  $locations      = get_registered_nav_menus();
  51  $menu_locations = get_nav_menu_locations();
  52  $num_locations  = count( array_keys( $locations ) );
  53  
  54  // Allowed actions: add, update, delete.
  55  $action = isset( $_REQUEST['action'] ) ? $_REQUEST['action'] : 'edit';
  56  
  57  /*
  58   * If a JSON blob of navigation menu data is found, expand it and inject it
  59   * into `$_POST` to avoid PHP `max_input_vars` limitations. See #14134.
  60   */
  61  _wp_expand_nav_menu_post_data();
  62  
  63  switch ( $action ) {
  64      case 'add-menu-item':
  65          check_admin_referer( 'add-menu_item', 'menu-settings-column-nonce' );
  66  
  67          if ( isset( $_REQUEST['nav-menu-locations'] ) ) {
  68              set_theme_mod( 'nav_menu_locations', array_map( 'absint', $_REQUEST['menu-locations'] ) );
  69          } elseif ( isset( $_REQUEST['menu-item'] ) ) {
  70              wp_save_nav_menu_items( $nav_menu_selected_id, $_REQUEST['menu-item'] );
  71          }
  72  
  73          break;
  74  
  75      case 'move-down-menu-item':
  76          // Moving down a menu item is the same as moving up the next in order.
  77          check_admin_referer( 'move-menu_item' );
  78  
  79          $menu_item_id = isset( $_REQUEST['menu-item'] ) ? (int) $_REQUEST['menu-item'] : 0;
  80  
  81          if ( is_nav_menu_item( $menu_item_id ) ) {
  82              $menus = isset( $_REQUEST['menu'] ) ? array( (int) $_REQUEST['menu'] ) : wp_get_object_terms( $menu_item_id, 'nav_menu', array( 'fields' => 'ids' ) );
  83  
  84              if ( ! is_wp_error( $menus ) && ! empty( $menus[0] ) ) {
  85                  $menu_id            = (int) $menus[0];
  86                  $ordered_menu_items = wp_get_nav_menu_items( $menu_id );
  87                  $menu_item_data     = (array) wp_setup_nav_menu_item( get_post( $menu_item_id ) );
  88  
  89                  // Set up the data we need in one pass through the array of menu items.
  90                  $dbids_to_orders = array();
  91                  $orders_to_dbids = array();
  92  
  93                  foreach ( (array) $ordered_menu_items as $ordered_menu_item_object ) {
  94                      if ( isset( $ordered_menu_item_object->ID ) ) {
  95                          if ( isset( $ordered_menu_item_object->menu_order ) ) {
  96                              $dbids_to_orders[ $ordered_menu_item_object->ID ]         = $ordered_menu_item_object->menu_order;
  97                              $orders_to_dbids[ $ordered_menu_item_object->menu_order ] = $ordered_menu_item_object->ID;
  98                          }
  99                      }
 100                  }
 101  
 102                  // Get next in order.
 103                  if ( isset( $orders_to_dbids[ $dbids_to_orders[ $menu_item_id ] + 1 ] ) ) {
 104                      $next_item_id   = $orders_to_dbids[ $dbids_to_orders[ $menu_item_id ] + 1 ];
 105                      $next_item_data = (array) wp_setup_nav_menu_item( get_post( $next_item_id ) );
 106  
 107                      // If not siblings of same parent, bubble menu item up but keep order.
 108                      if ( ! empty( $menu_item_data['menu_item_parent'] )
 109                          && ( empty( $next_item_data['menu_item_parent'] )
 110                              || (int) $next_item_data['menu_item_parent'] !== (int) $menu_item_data['menu_item_parent'] )
 111                      ) {
 112                          if ( in_array( (int) $menu_item_data['menu_item_parent'], $orders_to_dbids, true ) ) {
 113                              $parent_db_id = (int) $menu_item_data['menu_item_parent'];
 114                          } else {
 115                              $parent_db_id = 0;
 116                          }
 117  
 118                          $parent_object = wp_setup_nav_menu_item( get_post( $parent_db_id ) );
 119  
 120                          if ( ! is_wp_error( $parent_object ) ) {
 121                              $parent_data                        = (array) $parent_object;
 122                              $menu_item_data['menu_item_parent'] = $parent_data['menu_item_parent'];
 123  
 124                              // Reset invalid `menu_item_parent`.
 125                              $menu_item_data = _wp_reset_invalid_menu_item_parent( $menu_item_data );
 126  
 127                              update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
 128                          }
 129  
 130                          // Make menu item a child of its next sibling.
 131                      } else {
 132                          $next_item_data['menu_order'] = $next_item_data['menu_order'] - 1;
 133                          $menu_item_data['menu_order'] = $menu_item_data['menu_order'] + 1;
 134  
 135                          $menu_item_data['menu_item_parent'] = $next_item_data['ID'];
 136  
 137                          // Reset invalid `menu_item_parent`.
 138                          $menu_item_data = _wp_reset_invalid_menu_item_parent( $menu_item_data );
 139  
 140                          update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
 141  
 142                          wp_update_post( $menu_item_data );
 143                          wp_update_post( $next_item_data );
 144                      }
 145  
 146                      // The item is last but still has a parent, so bubble up.
 147                  } elseif ( ! empty( $menu_item_data['menu_item_parent'] )
 148                      && in_array( (int) $menu_item_data['menu_item_parent'], $orders_to_dbids, true )
 149                  ) {
 150                      $menu_item_data['menu_item_parent'] = (int) get_post_meta( $menu_item_data['menu_item_parent'], '_menu_item_menu_item_parent', true );
 151  
 152                      // Reset invalid `menu_item_parent`.
 153                      $menu_item_data = _wp_reset_invalid_menu_item_parent( $menu_item_data );
 154  
 155                      update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
 156                  }
 157              }
 158          }
 159  
 160          break;
 161  
 162      case 'move-up-menu-item':
 163          check_admin_referer( 'move-menu_item' );
 164  
 165          $menu_item_id = isset( $_REQUEST['menu-item'] ) ? (int) $_REQUEST['menu-item'] : 0;
 166  
 167          if ( is_nav_menu_item( $menu_item_id ) ) {
 168              if ( isset( $_REQUEST['menu'] ) ) {
 169                  $menus = array( (int) $_REQUEST['menu'] );
 170              } else {
 171                  $menus = wp_get_object_terms( $menu_item_id, 'nav_menu', array( 'fields' => 'ids' ) );
 172              }
 173  
 174              if ( ! is_wp_error( $menus ) && ! empty( $menus[0] ) ) {
 175                  $menu_id            = (int) $menus[0];
 176                  $ordered_menu_items = wp_get_nav_menu_items( $menu_id );
 177                  $menu_item_data     = (array) wp_setup_nav_menu_item( get_post( $menu_item_id ) );
 178  
 179                  // Set up the data we need in one pass through the array of menu items.
 180                  $dbids_to_orders = array();
 181                  $orders_to_dbids = array();
 182  
 183                  foreach ( (array) $ordered_menu_items as $ordered_menu_item_object ) {
 184                      if ( isset( $ordered_menu_item_object->ID ) ) {
 185                          if ( isset( $ordered_menu_item_object->menu_order ) ) {
 186                              $dbids_to_orders[ $ordered_menu_item_object->ID ]         = $ordered_menu_item_object->menu_order;
 187                              $orders_to_dbids[ $ordered_menu_item_object->menu_order ] = $ordered_menu_item_object->ID;
 188                          }
 189                      }
 190                  }
 191  
 192                  // If this menu item is not first.
 193                  if ( ! empty( $dbids_to_orders[ $menu_item_id ] )
 194                      && ! empty( $orders_to_dbids[ $dbids_to_orders[ $menu_item_id ] - 1 ] )
 195                  ) {
 196  
 197                      // If this menu item is a child of the previous.
 198                      if ( ! empty( $menu_item_data['menu_item_parent'] )
 199                          && in_array( (int) $menu_item_data['menu_item_parent'], array_keys( $dbids_to_orders ), true )
 200                          && isset( $orders_to_dbids[ $dbids_to_orders[ $menu_item_id ] - 1 ] )
 201                          && ( (int) $menu_item_data['menu_item_parent'] === $orders_to_dbids[ $dbids_to_orders[ $menu_item_id ] - 1 ] )
 202                      ) {
 203                          if ( in_array( (int) $menu_item_data['menu_item_parent'], $orders_to_dbids, true ) ) {
 204                              $parent_db_id = (int) $menu_item_data['menu_item_parent'];
 205                          } else {
 206                              $parent_db_id = 0;
 207                          }
 208  
 209                          $parent_object = wp_setup_nav_menu_item( get_post( $parent_db_id ) );
 210  
 211                          if ( ! is_wp_error( $parent_object ) ) {
 212                              $parent_data = (array) $parent_object;
 213  
 214                              /*
 215                               * If there is something before the parent and parent a child of it,
 216                               * make menu item a child also of it.
 217                               */
 218                              if ( ! empty( $dbids_to_orders[ $parent_db_id ] )
 219                                  && ! empty( $orders_to_dbids[ $dbids_to_orders[ $parent_db_id ] - 1 ] )
 220                                  && ! empty( $parent_data['menu_item_parent'] )
 221                              ) {
 222                                  $menu_item_data['menu_item_parent'] = $parent_data['menu_item_parent'];
 223  
 224                                  /*
 225                                  * Else if there is something before parent and parent not a child of it,
 226                                  * make menu item a child of that something's parent
 227                                  */
 228                              } elseif ( ! empty( $dbids_to_orders[ $parent_db_id ] )
 229                                  && ! empty( $orders_to_dbids[ $dbids_to_orders[ $parent_db_id ] - 1 ] )
 230                              ) {
 231                                  $_possible_parent_id = (int) get_post_meta( $orders_to_dbids[ $dbids_to_orders[ $parent_db_id ] - 1 ], '_menu_item_menu_item_parent', true );
 232  
 233                                  if ( in_array( $_possible_parent_id, array_keys( $dbids_to_orders ), true ) ) {
 234                                      $menu_item_data['menu_item_parent'] = $_possible_parent_id;
 235                                  } else {
 236                                      $menu_item_data['menu_item_parent'] = 0;
 237                                  }
 238  
 239                                  // Else there isn't something before the parent.
 240                              } else {
 241                                  $menu_item_data['menu_item_parent'] = 0;
 242                              }
 243  
 244                              // Set former parent's [menu_order] to that of menu-item's.
 245                              $parent_data['menu_order'] = $parent_data['menu_order'] + 1;
 246  
 247                              // Set menu-item's [menu_order] to that of former parent.
 248                              $menu_item_data['menu_order'] = $menu_item_data['menu_order'] - 1;
 249  
 250                              // Save changes.
 251                              update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
 252                              wp_update_post( $menu_item_data );
 253                              wp_update_post( $parent_data );
 254                          }
 255  
 256                          // Else this menu item is not a child of the previous.
 257                      } elseif ( empty( $menu_item_data['menu_order'] )
 258                          || empty( $menu_item_data['menu_item_parent'] )
 259                          || ! in_array( (int) $menu_item_data['menu_item_parent'], array_keys( $dbids_to_orders ), true )
 260                          || empty( $orders_to_dbids[ $dbids_to_orders[ $menu_item_id ] - 1 ] )
 261                          || $orders_to_dbids[ $dbids_to_orders[ $menu_item_id ] - 1 ] !== (int) $menu_item_data['menu_item_parent']
 262                      ) {
 263                          // Just make it a child of the previous; keep the order.
 264                          $menu_item_data['menu_item_parent'] = (int) $orders_to_dbids[ $dbids_to_orders[ $menu_item_id ] - 1 ];
 265  
 266                          // Reset invalid `menu_item_parent`.
 267                          $menu_item_data = _wp_reset_invalid_menu_item_parent( $menu_item_data );
 268  
 269                          update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] );
 270                          wp_update_post( $menu_item_data );
 271                      }
 272                  }
 273              }
 274          }
 275  
 276          break;
 277  
 278      case 'delete-menu-item':
 279          $menu_item_id = (int) $_REQUEST['menu-item'];
 280  
 281          check_admin_referer( 'delete-menu_item_' . $menu_item_id );
 282  
 283          if ( is_nav_menu_item( $menu_item_id ) && wp_delete_post( $menu_item_id, true ) ) {
 284              $messages[] = wp_get_admin_notice(
 285                  __( 'The menu item has been successfully deleted.' ),
 286                  array(
 287                      'id'                 => 'message',
 288                      'additional_classes' => array( 'updated' ),
 289                      'dismissible'        => true,
 290                  )
 291              );
 292          }
 293  
 294          break;
 295  
 296      case 'delete':
 297          check_admin_referer( 'delete-nav_menu-' . $nav_menu_selected_id );
 298  
 299          if ( is_nav_menu( $nav_menu_selected_id ) ) {
 300              $deletion = wp_delete_nav_menu( $nav_menu_selected_id );
 301          } else {
 302              // Reset the selected menu.
 303              $nav_menu_selected_id = 0;
 304              unset( $_REQUEST['menu'] );
 305          }
 306  
 307          if ( ! isset( $deletion ) ) {
 308              break;
 309          }
 310  
 311          if ( is_wp_error( $deletion ) ) {
 312              $messages[] = wp_get_admin_notice(
 313                  $deletion->get_error_message(),
 314                  array(
 315                      'id'                 => 'message',
 316                      'additional_classes' => array( 'error' ),
 317                      'dismissible'        => true,
 318                  )
 319              );
 320          } else {
 321              $messages[] = wp_get_admin_notice(
 322                  __( 'The menu has been successfully deleted.' ),
 323                  array(
 324                      'id'                 => 'message',
 325                      'additional_classes' => array( 'updated' ),
 326                      'dismissible'        => true,
 327                  )
 328              );
 329          }
 330  
 331          break;
 332  
 333      case 'delete_menus':
 334          check_admin_referer( 'nav_menus_bulk_actions' );
 335  
 336          foreach ( $_REQUEST['delete_menus'] as $menu_id_to_delete ) {
 337              if ( ! is_nav_menu( $menu_id_to_delete ) ) {
 338                  continue;
 339              }
 340  
 341              $deletion = wp_delete_nav_menu( $menu_id_to_delete );
 342  
 343              if ( is_wp_error( $deletion ) ) {
 344                  $messages[]     = wp_get_admin_notice(
 345                      $deletion->get_error_message(),
 346                      array(
 347                          'id'                 => 'message',
 348                          'additional_classes' => array( 'error' ),
 349                          'dismissible'        => true,
 350                      )
 351                  );
 352                  $deletion_error = true;
 353              }
 354          }
 355  
 356          if ( empty( $deletion_error ) ) {
 357              $messages[] = wp_get_admin_notice(
 358                  __( 'Selected menus have been successfully deleted.' ),
 359                  array(
 360                      'id'                 => 'message',
 361                      'additional_classes' => array( 'updated' ),
 362                      'dismissible'        => true,
 363                  )
 364              );
 365          }
 366  
 367          break;
 368  
 369      case 'update':
 370          check_admin_referer( 'update-nav_menu', 'update-nav-menu-nonce' );
 371  
 372          // Merge new and existing menu locations if any new ones are set.
 373          $new_menu_locations = array();
 374          if ( isset( $_POST['menu-locations'] ) ) {
 375              $new_menu_locations = array_map( 'absint', $_POST['menu-locations'] );
 376              $menu_locations     = array_merge( $menu_locations, $new_menu_locations );
 377          }
 378  
 379          // Add Menu.
 380          if ( 0 === $nav_menu_selected_id ) {
 381              $new_menu_title = trim( esc_html( $_POST['menu-name'] ) );
 382  
 383              if ( $new_menu_title ) {
 384                  $_nav_menu_selected_id = wp_update_nav_menu_object( 0, array( 'menu-name' => $new_menu_title ) );
 385  
 386                  if ( is_wp_error( $_nav_menu_selected_id ) ) {
 387                      $messages[] = wp_get_admin_notice(
 388                          $_nav_menu_selected_id->get_error_message(),
 389                          array(
 390                              'id'                 => 'message',
 391                              'additional_classes' => array( 'error' ),
 392                              'dismissible'        => true,
 393                          )
 394                      );
 395                  } else {
 396                      $_menu_object            = wp_get_nav_menu_object( $_nav_menu_selected_id );
 397                      $nav_menu_selected_id    = $_nav_menu_selected_id;
 398                      $nav_menu_selected_title = $_menu_object->name;
 399  
 400                      if ( isset( $_REQUEST['menu-item'] ) ) {
 401                          wp_save_nav_menu_items( $nav_menu_selected_id, absint( $_REQUEST['menu-item'] ) );
 402                      }
 403  
 404                      if ( isset( $_REQUEST['zero-menu-state'] ) || ! empty( $_POST['auto-add-pages'] ) ) {
 405                          // If there are menu items, add them.
 406                          wp_nav_menu_update_menu_items( $nav_menu_selected_id, $nav_menu_selected_title );
 407                      }
 408  
 409                      if ( isset( $_REQUEST['zero-menu-state'] ) ) {
 410                          // Auto-save nav_menu_locations.
 411                          $locations = get_nav_menu_locations();
 412  
 413                          foreach ( $locations as $location => $menu_id ) {
 414                                  $locations[ $location ] = $nav_menu_selected_id;
 415                                  break; // There should only be 1.
 416                          }
 417  
 418                          set_theme_mod( 'nav_menu_locations', $locations );
 419                      } elseif ( count( $new_menu_locations ) > 0 ) {
 420                          // If locations have been selected for the new menu, save those.
 421                          $locations = get_nav_menu_locations();
 422  
 423                          foreach ( array_keys( $new_menu_locations ) as $location ) {
 424                              $locations[ $location ] = $nav_menu_selected_id;
 425                          }
 426  
 427                          set_theme_mod( 'nav_menu_locations', $locations );
 428                      }
 429  
 430                      if ( isset( $_REQUEST['use-location'] ) ) {
 431                          $locations      = get_registered_nav_menus();
 432                          $menu_locations = get_nav_menu_locations();
 433  
 434                          if ( isset( $locations[ $_REQUEST['use-location'] ] ) ) {
 435                              $menu_locations[ $_REQUEST['use-location'] ] = $nav_menu_selected_id;
 436                          }
 437  
 438                          set_theme_mod( 'nav_menu_locations', $menu_locations );
 439                      }
 440  
 441                      wp_redirect( admin_url( 'nav-menus.php?menu=' . $_nav_menu_selected_id ) );
 442                      exit;
 443                  }
 444              } else {
 445                  $messages[] = wp_get_admin_notice(
 446                      __( 'Please enter a valid menu name.' ),
 447                      array(
 448                          'id'                 => 'message',
 449                          'additional_classes' => array( 'error' ),
 450                          'dismissible'        => true,
 451                      )
 452                  );
 453              }
 454  
 455              // Update existing menu.
 456          } else {
 457              // Remove menu locations that have been unchecked.
 458              foreach ( $locations as $location => $description ) {
 459                  if ( ( empty( $_POST['menu-locations'] ) || empty( $_POST['menu-locations'][ $location ] ) )
 460                      && isset( $menu_locations[ $location ] ) && $menu_locations[ $location ] === $nav_menu_selected_id
 461                  ) {
 462                      unset( $menu_locations[ $location ] );
 463                  }
 464              }
 465  
 466              // Set menu locations.
 467              set_theme_mod( 'nav_menu_locations', $menu_locations );
 468  
 469              $_menu_object = wp_get_nav_menu_object( $nav_menu_selected_id );
 470  
 471              $menu_title = trim( esc_html( $_POST['menu-name'] ) );
 472  
 473              if ( ! $menu_title ) {
 474                  $messages[] = wp_get_admin_notice(
 475                      __( 'Please enter a valid menu name.' ),
 476                      array(
 477                          'id'                 => 'message',
 478                          'additional_classes' => array( 'error' ),
 479                          'dismissible'        => true,
 480                      )
 481                  );
 482                  $menu_title = $_menu_object->name;
 483              }
 484  
 485              if ( ! is_wp_error( $_menu_object ) ) {
 486                  $_nav_menu_selected_id = wp_update_nav_menu_object( $nav_menu_selected_id, array( 'menu-name' => $menu_title ) );
 487  
 488                  if ( is_wp_error( $_nav_menu_selected_id ) ) {
 489                      $_menu_object = $_nav_menu_selected_id;
 490                      $messages[]   = wp_get_admin_notice(
 491                          $_nav_menu_selected_id->get_error_message(),
 492                          array(
 493                              'id'                 => 'message',
 494                              'additional_classes' => array( 'error' ),
 495                              'dismissible'        => true,
 496                          )
 497                      );
 498                  } else {
 499                      $_menu_object            = wp_get_nav_menu_object( $_nav_menu_selected_id );
 500                      $nav_menu_selected_title = $_menu_object->name;
 501                  }
 502              }
 503  
 504              // Update menu items.
 505              if ( ! is_wp_error( $_menu_object ) ) {
 506                  $messages = array_merge( $messages, wp_nav_menu_update_menu_items( $_nav_menu_selected_id, $nav_menu_selected_title ) );
 507  
 508                  // If the menu ID changed, redirect to the new URL.
 509                  if ( $nav_menu_selected_id !== $_nav_menu_selected_id ) {
 510                      wp_redirect( admin_url( 'nav-menus.php?menu=' . (int) $_nav_menu_selected_id ) );
 511                      exit;
 512                  }
 513              }
 514          }
 515  
 516          break;
 517  
 518      case 'locations':
 519          if ( ! $num_locations ) {
 520              wp_redirect( admin_url( 'nav-menus.php' ) );
 521              exit;
 522          }
 523  
 524          add_filter( 'screen_options_show_screen', '__return_false' );
 525  
 526          if ( isset( $_POST['menu-locations'] ) ) {
 527              check_admin_referer( 'save-menu-locations' );
 528  
 529              $new_menu_locations = array_map( 'absint', $_POST['menu-locations'] );
 530              $menu_locations     = array_merge( $menu_locations, $new_menu_locations );
 531              // Set menu locations.
 532              set_theme_mod( 'nav_menu_locations', $menu_locations );
 533  
 534              $messages[] = wp_get_admin_notice(
 535                  __( 'Menu locations updated.' ),
 536                  array(
 537                      'id'                 => 'message',
 538                      'additional_classes' => array( 'updated' ),
 539                      'dismissible'        => true,
 540                  )
 541              );
 542          }
 543  
 544          break;
 545  }
 546  
 547  // Get all nav menus.
 548  $nav_menus  = wp_get_nav_menus();
 549  $menu_count = count( $nav_menus );
 550  
 551  // Are we on the add new screen?
 552  $add_new_screen = ( isset( $_GET['menu'] ) && 0 === (int) $_GET['menu'] ) ? true : false;
 553  
 554  $locations_screen = ( isset( $_GET['action'] ) && 'locations' === $_GET['action'] ) ? true : false;
 555  
 556  $page_count = wp_count_posts( 'page' );
 557  
 558  /*
 559   * If we have one theme location, and zero menus, we take them right
 560   * into editing their first menu.
 561   */
 562  if ( 1 === count( get_registered_nav_menus() ) && ! $add_new_screen
 563      && empty( $nav_menus ) && ! empty( $page_count->publish )
 564  ) {
 565      $one_theme_location_no_menus = true;
 566  } else {
 567      $one_theme_location_no_menus = false;
 568  }
 569  
 570  $nav_menus_l10n = array(
 571      'oneThemeLocationNoMenus' => $one_theme_location_no_menus,
 572      'moveUp'                  => __( 'Move up one' ),
 573      'moveDown'                => __( 'Move down one' ),
 574      'moveToTop'               => __( 'Move to the top' ),
 575      /* translators: %s: Previous item name. */
 576      'moveUnder'               => __( 'Move under %s' ),
 577      /* translators: %s: Previous item name. */
 578      'moveOutFrom'             => __( 'Move out from under %s' ),
 579      /* translators: %s: Previous item name. */
 580      'under'                   => __( 'Under %s' ),
 581      /* translators: %s: Previous item name. */
 582      'outFrom'                 => __( 'Out from under %s' ),
 583      /* translators: 1: Item name, 2: Item type, 3: Item index, 4: Total items. */
 584      'menuFocus'               => __( 'Edit %1$s (%2$s, %3$d of %4$d)' ),
 585      /* translators: 1: Item name, 2: Item type, 3: Item index, 4: Total items, 5: Item parent. */
 586      'subMenuFocus'            => __( 'Edit %1$s (%2$s, sub-item %3$d of %4$d under %5$s)' ),
 587      /* translators: 1: Item name, 2: Item type, 3: Item index, 4: Total items, 5: Item parent, 6: Item depth. */
 588      'subMenuMoreDepthFocus'   => __( 'Edit %1$s (%2$s, sub-item %3$d of %4$d under %5$s, level %6$d)' ),
 589      /* translators: %s: Item name. */
 590      'menuItemDeletion'        => __( 'item %s' ),
 591      /* translators: %s: Item name. */
 592      'itemsDeleted'            => __( 'Deleted menu item: %s.' ),
 593      'itemAdded'               => __( 'Menu item added' ),
 594      'itemRemoved'             => __( 'Menu item removed' ),
 595      'movedUp'                 => __( 'Menu item moved up' ),
 596      'movedDown'               => __( 'Menu item moved down' ),
 597      'movedTop'                => __( 'Menu item moved to the top' ),
 598      'movedLeft'               => __( 'Menu item moved out of submenu' ),
 599      'movedRight'              => __( 'Menu item is now a sub-item' ),
 600      'parentUpdated'           => __( 'Menu parent updated' ),
 601      'orderUpdated'            => __( 'Menu order updated' ),
 602  );
 603  wp_localize_script( 'nav-menu', 'menus', $nav_menus_l10n );
 604  
 605  /*
 606   * Redirect to add screen if there are no menus and this users has either zero,
 607   * or more than 1 theme locations.
 608   */
 609  if ( 0 === $menu_count && ! $add_new_screen && ! $one_theme_location_no_menus ) {
 610      wp_redirect( admin_url( 'nav-menus.php?action=edit&menu=0' ) );
 611  }
 612  
 613  // Get recently edited nav menu.
 614  $recently_edited = absint( get_user_option( 'nav_menu_recently_edited' ) );
 615  if ( empty( $recently_edited ) && is_nav_menu( $nav_menu_selected_id ) ) {
 616      $recently_edited = $nav_menu_selected_id;
 617  }
 618  
 619  // Use $recently_edited if none are selected.
 620  if ( empty( $nav_menu_selected_id ) && ! isset( $_GET['menu'] ) && is_nav_menu( $recently_edited ) ) {
 621      $nav_menu_selected_id = $recently_edited;
 622  }
 623  
 624  // On deletion of menu, if another menu exists, show it.
 625  if ( ! $add_new_screen && $menu_count > 0 && isset( $_GET['action'] ) && 'delete' === $_GET['action'] ) {
 626      $nav_menu_selected_id = $nav_menus[0]->term_id;
 627  }
 628  
 629  // Set $nav_menu_selected_id to 0 if no menus.
 630  if ( $one_theme_location_no_menus ) {
 631      $nav_menu_selected_id = 0;
 632  } elseif ( empty( $nav_menu_selected_id ) && ! empty( $nav_menus ) && ! $add_new_screen ) {
 633      // If we have no selection yet, and we have menus, set to the first one in the list.
 634      $nav_menu_selected_id = $nav_menus[0]->term_id;
 635  }
 636  
 637  // Update the user's setting.
 638  if ( $nav_menu_selected_id !== $recently_edited && is_nav_menu( $nav_menu_selected_id ) ) {
 639      update_user_meta( $current_user->ID, 'nav_menu_recently_edited', $nav_menu_selected_id );
 640  }
 641  
 642  // If there's a menu, get its name.
 643  if ( ! $nav_menu_selected_title && is_nav_menu( $nav_menu_selected_id ) ) {
 644      $_menu_object            = wp_get_nav_menu_object( $nav_menu_selected_id );
 645      $nav_menu_selected_title = ! is_wp_error( $_menu_object ) ? $_menu_object->name : '';
 646  }
 647  
 648  // Generate truncated menu names.
 649  foreach ( (array) $nav_menus as $key => $_nav_menu ) {
 650      $nav_menus[ $key ]->truncated_name = wp_html_excerpt( $_nav_menu->name, 40, '&hellip;' );
 651  }
 652  
 653  // Retrieve menu locations.
 654  if ( current_theme_supports( 'menus' ) ) {
 655      $locations      = get_registered_nav_menus();
 656      $menu_locations = get_nav_menu_locations();
 657  }
 658  
 659  /*
 660   * Ensure the user will be able to scroll horizontally
 661   * by adding a class for the max menu depth.
 662   *
 663   * @global int $_wp_nav_menu_max_depth
 664   */
 665  global $_wp_nav_menu_max_depth;
 666  $_wp_nav_menu_max_depth = 0;
 667  
 668  // Calling wp_get_nav_menu_to_edit generates $_wp_nav_menu_max_depth.
 669  if ( is_nav_menu( $nav_menu_selected_id ) ) {
 670      $menu_items  = wp_get_nav_menu_items( $nav_menu_selected_id, array( 'post_status' => 'any' ) );
 671      $edit_markup = wp_get_nav_menu_to_edit( $nav_menu_selected_id );
 672  }
 673  
 674  /**
 675   * @global int $_wp_nav_menu_max_depth
 676   *
 677   * @param string $classes
 678   * @return string
 679   */
 680  function wp_nav_menu_max_depth( $classes ) {
 681      global $_wp_nav_menu_max_depth;
 682      return "$classes menu-max-depth-$_wp_nav_menu_max_depth";
 683  }
 684  
 685  add_filter( 'admin_body_class', 'wp_nav_menu_max_depth' );
 686  
 687  wp_nav_menu_setup();
 688  wp_initial_nav_menu_meta_boxes();
 689  
 690  if ( ! current_theme_supports( 'menus' ) && ! $num_locations ) {
 691      $message_no_theme_support = sprintf(
 692          /* translators: %s: URL to Widgets screen. */
 693          __( 'Your theme does not natively support menus, but you can use them in sidebars by adding a &#8220;Navigation Menu&#8221; widget on the <a href="%s">Widgets</a> screen.' ),
 694          admin_url( 'widgets.php' )
 695      );
 696      $messages[] = wp_get_admin_notice(
 697          $message_no_theme_support,
 698          array(
 699              'id'                 => 'message',
 700              'additional_classes' => array( 'updated' ),
 701              'dismissible'        => true,
 702          )
 703      );
 704  }
 705  
 706  if ( ! $locations_screen ) : // Main tab.
 707      $overview  = '<p>' . __( 'This screen is used for managing your navigation menus.' ) . '</p>';
 708      $overview .= '<p>' . sprintf(
 709          /* translators: 1: URL to Widgets screen, 2 and 3: The names of the default themes. */
 710          __( 'Menus can be displayed in locations defined by your theme, even used in sidebars by adding a &#8220;Navigation Menu&#8221; widget on the <a href="%1$s">Widgets</a> screen. If your theme does not support the navigation menus feature (the default themes, %2$s and %3$s, do), you can learn about adding this support by following the documentation link to the side.' ),
 711          admin_url( 'widgets.php' ),
 712          'Twenty Twenty',
 713          'Twenty Twenty-One'
 714      ) . '</p>';
 715      $overview .= '<p>' . __( 'From this screen you can:' ) . '</p>';
 716      $overview .= '<ul><li>' . __( 'Create, edit, and delete menus' ) . '</li>';
 717      $overview .= '<li>' . __( 'Add, organize, and modify individual menu items' ) . '</li></ul>';
 718  
 719      get_current_screen()->add_help_tab(
 720          array(
 721              'id'      => 'overview',
 722              'title'   => __( 'Overview' ),
 723              'content' => $overview,
 724          )
 725      );
 726  
 727      $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>';
 728      $menu_management .= '<ul><li>' . __( 'To edit an existing menu, <strong>choose a menu from the dropdown and click Select</strong>' ) . '</li>';
 729      $menu_management .= '<li>' . __( 'If you have not yet created any menus, <strong>click the &#8217;create a new menu&#8217; link</strong> to get started' ) . '</li></ul>';
 730      $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>';
 731  
 732      get_current_screen()->add_help_tab(
 733          array(
 734              'id'      => 'menu-management',
 735              'title'   => __( 'Menu Management' ),
 736              'content' => $menu_management,
 737          )
 738      );
 739  
 740      $editing_menus  = '<p>' . __( 'Each navigation menu may contain a mix of links to pages, categories, custom URLs or other content types. Menu links are added by selecting items from the expanding boxes in the left-hand column below.' ) . '</p>';
 741      $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>';
 742      $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>';
 743      $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>';
 744      $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>';
 745      $editing_menus .= '<li>' . __( 'Delete a menu item by <strong>expanding it and clicking the Remove link</strong>' ) . '</li></ul>';
 746  
 747      get_current_screen()->add_help_tab(
 748          array(
 749              'id'      => 'editing-menus',
 750              'title'   => __( 'Editing Menus' ),
 751              'content' => $editing_menus,
 752          )
 753      );
 754  else : // Locations tab.
 755      $locations_overview  = '<p>' . __( 'This screen is used for globally assigning menus to locations defined by your theme.' ) . '</p>';
 756      $locations_overview .= '<ul><li>' . __( 'To assign menus to one or more theme locations, <strong>select a menu from each location&#8217;s dropdown</strong>. When you are finished, <strong>click Save Changes</strong>' ) . '</li>';
 757      $locations_overview .= '<li>' . __( 'To edit a menu currently assigned to a theme location, <strong>click the adjacent &#8217;Edit&#8217; link</strong>' ) . '</li>';
 758      $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>';
 759  
 760      get_current_screen()->add_help_tab(
 761          array(
 762              'id'      => 'locations-overview',
 763              'title'   => __( 'Overview' ),
 764              'content' => $locations_overview,
 765          )
 766      );
 767  endif;
 768  
 769  get_current_screen()->set_help_sidebar(
 770      '<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
 771      '<p>' . __( '<a href="https://wordpress.org/documentation/article/appearance-menus-screen/">Documentation on Menus</a>' ) . '</p>' .
 772      '<p>' . __( '<a href="https://wordpress.org/support/forums/">Support forums</a>' ) . '</p>'
 773  );
 774  
 775  // Get the admin header.
 776  require_once  ABSPATH . 'wp-admin/admin-header.php';
 777  ?>
 778  <div class="wrap">
 779      <h1 class="wp-heading-inline"><?php esc_html_e( 'Menus' ); ?></h1>
 780      <?php
 781      if ( current_user_can( 'customize' ) ) :
 782          $focus = $locations_screen ? array( 'section' => 'menu_locations' ) : array( 'panel' => 'nav_menus' );
 783          printf(
 784              ' <a class="page-title-action hide-if-no-customize" href="%1$s">%2$s</a>',
 785              esc_url(
 786                  add_query_arg(
 787                      array(
 788                          array( 'autofocus' => $focus ),
 789                          'return' => urlencode( remove_query_arg( wp_removable_query_args(), wp_unslash( $_SERVER['REQUEST_URI'] ) ) ),
 790                      ),
 791                      admin_url( 'customize.php' )
 792                  )
 793              ),
 794              __( 'Manage with Live Preview' )
 795          );
 796      endif;
 797  
 798      $nav_tab_active_class = '';
 799      $nav_aria_current     = '';
 800  
 801      if ( ! isset( $_GET['action'] ) || isset( $_GET['action'] ) && 'locations' !== $_GET['action'] ) {
 802          $nav_tab_active_class = ' nav-tab-active';
 803          $nav_aria_current     = ' aria-current="page"';
 804      }
 805      ?>
 806  
 807      <hr class="wp-header-end">
 808  
 809      <nav class="nav-tab-wrapper wp-clearfix" aria-label="<?php esc_attr_e( 'Secondary menu' ); ?>">
 810          <a href="<?php echo esc_url( admin_url( 'nav-menus.php' ) ); ?>" class="nav-tab<?php echo $nav_tab_active_class; ?>"<?php echo $nav_aria_current; ?>><?php esc_html_e( 'Edit Menus' ); ?></a>
 811          <?php
 812          if ( $num_locations && $menu_count ) {
 813              $active_tab_class = '';
 814              $aria_current     = '';
 815  
 816              if ( $locations_screen ) {
 817                  $active_tab_class = ' nav-tab-active';
 818                  $aria_current     = ' aria-current="page"';
 819              }
 820              ?>
 821              <a href="<?php echo esc_url( add_query_arg( array( 'action' => 'locations' ), admin_url( 'nav-menus.php' ) ) ); ?>" class="nav-tab<?php echo $active_tab_class; ?>"<?php echo $aria_current; ?>><?php esc_html_e( 'Manage Locations' ); ?></a>
 822              <?php
 823          }
 824          ?>
 825      </nav>
 826      <?php
 827      foreach ( $messages as $message ) :
 828          echo $message . "\n";
 829      endforeach;
 830      ?>
 831      <?php
 832      if ( $locations_screen ) :
 833          if ( 1 === $num_locations ) {
 834              echo '<p>' . __( 'Your theme supports one menu. Select which menu you would like to use.' ) . '</p>';
 835          } else {
 836              echo '<p>' . sprintf(
 837                  /* translators: %s: Number of menus. */
 838                  _n(
 839                      'Your theme supports %s menu. Select which menu appears in each location.',
 840                      'Your theme supports %s menus. Select which menu appears in each location.',
 841                      $num_locations
 842                  ),
 843                  number_format_i18n( $num_locations )
 844              ) . '</p>';
 845          }
 846          ?>
 847      <div id="menu-locations-wrap">
 848          <form method="post" action="<?php echo esc_url( add_query_arg( array( 'action' => 'locations' ), admin_url( 'nav-menus.php' ) ) ); ?>">
 849              <table class="widefat fixed" id="menu-locations-table">
 850                  <thead>
 851                  <tr>
 852                      <th scope="col" class="manage-column column-locations"><?php _e( 'Theme Location' ); ?></th>
 853                      <th scope="col" class="manage-column column-menus"><?php _e( 'Assigned Menu' ); ?></th>
 854                  </tr>
 855                  </thead>
 856                  <tbody class="menu-locations">
 857                  <?php foreach ( $locations as $_location => $_name ) { ?>
 858                      <tr class="menu-locations-row">
 859                          <td class="menu-location-title"><label for="locations-<?php echo $_location; ?>"><?php echo $_name; ?></label></td>
 860                          <td class="menu-location-menus">
 861                              <select name="menu-locations[<?php echo $_location; ?>]" id="locations-<?php echo $_location; ?>">
 862                                  <option value="0"><?php printf( '&mdash; %s &mdash;', esc_html__( 'Select a Menu' ) ); ?></option>
 863                                  <?php
 864                                  foreach ( $nav_menus as $menu ) :
 865                                      $data_orig = '';
 866                                      $selected  = isset( $menu_locations[ $_location ] ) && $menu_locations[ $_location ] === $menu->term_id;
 867  
 868                                      if ( $selected ) {
 869                                          $data_orig = 'data-orig="true"';
 870                                      }
 871                                      ?>
 872                                      <option <?php echo $data_orig; ?> <?php selected( $selected ); ?> value="<?php echo $menu->term_id; ?>">
 873                                          <?php echo wp_html_excerpt( $menu->name, 40, '&hellip;' ); ?>
 874                                      </option>
 875                                  <?php endforeach; ?>
 876                              </select>
 877                              <div class="locations-row-links">
 878                                  <?php if ( isset( $menu_locations[ $_location ] ) && 0 !== $menu_locations[ $_location ] ) : ?>
 879                                  <span class="locations-edit-menu-link">
 880                                      <a href="
 881                                      <?php
 882                                      echo esc_url(
 883                                          add_query_arg(
 884                                              array(
 885                                                  'action' => 'edit',
 886                                                  'menu'   => $menu_locations[ $_location ],
 887                                              ),
 888                                              admin_url( 'nav-menus.php' )
 889                                          )
 890                                      );
 891                                      ?>
 892                                      ">
 893                                          <span aria-hidden="true"><?php _ex( 'Edit', 'menu' ); ?></span><span class="screen-reader-text">
 894                                              <?php
 895                                              /* translators: Hidden accessibility text. */
 896                                              _e( 'Edit selected menu' );
 897                                              ?>
 898                                          </span>
 899                                      </a>
 900                                  </span>
 901                                  <?php endif; ?>
 902                                  <span class="locations-add-menu-link">
 903                                      <a href="
 904                                      <?php
 905                                      echo esc_url(
 906                                          add_query_arg(
 907                                              array(
 908                                                  'action' => 'edit',
 909                                                  'menu'   => 0,
 910                                                  'use-location' => $_location,
 911                                              ),
 912                                              admin_url( 'nav-menus.php' )
 913                                          )
 914                                      );
 915                                      ?>
 916                                      ">
 917                                          <?php _ex( 'Use new menu', 'menu' ); ?>
 918                                      </a>
 919                                  </span>
 920                              </div><!-- .locations-row-links -->
 921                          </td><!-- .menu-location-menus -->
 922                      </tr><!-- .menu-locations-row -->
 923                  <?php } // End foreach. ?>
 924                  </tbody>
 925              </table>
 926              <p class="button-controls wp-clearfix"><?php submit_button( __( 'Save Changes' ), 'primary left', 'nav-menu-locations', false ); ?></p>
 927              <?php wp_nonce_field( 'save-menu-locations' ); ?>
 928              <input type="hidden" name="menu" id="nav-menu-meta-object-id" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
 929          </form>
 930      </div><!-- #menu-locations-wrap -->
 931          <?php
 932          /**
 933           * Fires after the menu locations table is displayed.
 934           *
 935           * @since 3.6.0
 936           */
 937          do_action( 'after_menu_locations_table' );
 938          ?>
 939      <?php else : ?>
 940      <div class="manage-menus">
 941          <?php if ( $menu_count < 1 ) : ?>
 942          <span class="first-menu-message">
 943              <?php _e( 'Create your first menu below.' ); ?>
 944              <span class="screen-reader-text">
 945                  <?php
 946                  /* translators: Hidden accessibility text. */
 947                  _e( 'Fill in the Menu Name and click the Create Menu button to create your first menu.' );
 948                  ?>
 949              </span>
 950          </span><!-- /first-menu-message -->
 951          <?php elseif ( $menu_count < 2 ) : ?>
 952          <span class="add-edit-menu-action">
 953              <?php
 954              printf(
 955                  /* translators: %s: URL to create a new menu. */
 956                  __( 'Edit your menu below, or <a href="%s">create a new menu</a>. Do not forget to save your changes!' ),
 957                  esc_url(
 958                      add_query_arg(
 959                          array(
 960                              'action' => 'edit',
 961                              'menu'   => 0,
 962                          ),
 963                          admin_url( 'nav-menus.php' )
 964                      )
 965                  )
 966              );
 967              ?>
 968              <span class="screen-reader-text">
 969                  <?php
 970                  /* translators: Hidden accessibility text. */
 971                  _e( 'Click the Save Menu button to save your changes.' );
 972                  ?>
 973              </span>
 974          </span><!-- /add-edit-menu-action -->
 975          <?php else : ?>
 976              <form method="get" action="<?php echo esc_url( admin_url( 'nav-menus.php' ) ); ?>">
 977              <input type="hidden" name="action" value="edit" />
 978              <label for="select-menu-to-edit" class="selected-menu"><?php _e( 'Select a menu to edit:' ); ?></label>
 979              <select name="menu" id="select-menu-to-edit">
 980                  <?php if ( $add_new_screen ) : ?>
 981                      <option value="0" selected="selected"><?php _e( '&mdash; Select &mdash;' ); ?></option>
 982                  <?php endif; ?>
 983                  <?php foreach ( (array) $nav_menus as $_nav_menu ) : ?>
 984                      <option value="<?php echo esc_attr( $_nav_menu->term_id ); ?>" <?php selected( $_nav_menu->term_id, $nav_menu_selected_id ); ?>>
 985                          <?php
 986                          echo esc_html( $_nav_menu->truncated_name );
 987  
 988                          if ( ! empty( $menu_locations ) && in_array( $_nav_menu->term_id, $menu_locations, true ) ) {
 989                              $locations_assigned_to_this_menu = array();
 990  
 991                              foreach ( array_keys( $menu_locations, $_nav_menu->term_id, true ) as $menu_location_key ) {
 992                                  if ( isset( $locations[ $menu_location_key ] ) ) {
 993                                      $locations_assigned_to_this_menu[] = $locations[ $menu_location_key ];
 994                                  }
 995                              }
 996  
 997                              /**
 998                               * Filters the number of locations listed per menu in the drop-down select.
 999                               *
1000                               * @since 3.6.0
1001                               *
1002                               * @param int $locations Number of menu locations to list. Default 3.
1003                               */
1004                              $locations_listed_per_menu = absint( apply_filters( 'wp_nav_locations_listed_per_menu', 3 ) );
1005  
1006                              $assigned_locations = array_slice( $locations_assigned_to_this_menu, 0, $locations_listed_per_menu );
1007  
1008                              // Adds ellipses following the number of locations defined in $assigned_locations.
1009                              if ( ! empty( $assigned_locations ) ) {
1010                                  printf(
1011                                      ' (%1$s%2$s)',
1012                                      implode( ', ', $assigned_locations ),
1013                                      count( $locations_assigned_to_this_menu ) > count( $assigned_locations ) ? ' &hellip;' : ''
1014                                  );
1015                              }
1016                          }
1017                          ?>
1018                      </option>
1019                  <?php endforeach; ?>
1020              </select>
1021              <span class="submit-btn"><input type="submit" class="button" value="<?php esc_attr_e( 'Select' ); ?>"></span>
1022              <span class="add-new-menu-action">
1023                  <?php
1024                  printf(
1025                      /* translators: %s: URL to create a new menu. */
1026                      __( 'or <a href="%s">create a new menu</a>. Do not forget to save your changes!' ),
1027                      esc_url(
1028                          add_query_arg(
1029                              array(
1030                                  'action' => 'edit',
1031                                  'menu'   => 0,
1032                              ),
1033                              admin_url( 'nav-menus.php' )
1034                          )
1035                      )
1036                  );
1037                  ?>
1038                  <span class="screen-reader-text">
1039                      <?php
1040                      /* translators: Hidden accessibility text. */
1041                      _e( 'Click the Save Menu button to save your changes.' );
1042                      ?>
1043                  </span>
1044              </span><!-- /add-new-menu-action -->
1045          </form>
1046              <?php
1047          endif;
1048  
1049          $metabox_holder_disabled_class = '';
1050  
1051          if ( isset( $_GET['menu'] ) && 0 === (int) $_GET['menu'] ) {
1052              $metabox_holder_disabled_class = ' metabox-holder-disabled';
1053          }
1054          ?>
1055      </div><!-- /manage-menus -->
1056      <div id="nav-menus-frame" class="wp-clearfix">
1057      <div id="menu-settings-column" class="metabox-holder<?php echo $metabox_holder_disabled_class; ?>">
1058  
1059          <div class="clear"></div>
1060  
1061          <form id="nav-menu-meta" class="nav-menu-meta" method="post" enctype="multipart/form-data">
1062              <input type="hidden" name="menu" id="nav-menu-meta-object-id" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
1063              <input type="hidden" name="action" value="add-menu-item" />
1064              <?php wp_nonce_field( 'add-menu_item', 'menu-settings-column-nonce' ); ?>
1065              <h2><?php _e( 'Add menu items' ); ?></h2>
1066              <?php do_accordion_sections( 'nav-menus', 'side', null ); ?>
1067          </form>
1068  
1069      </div><!-- /#menu-settings-column -->
1070      <div id="menu-management-liquid">
1071          <div id="menu-management">
1072              <form id="update-nav-menu" method="post" enctype="multipart/form-data">
1073                  <h2><?php _e( 'Menu structure' ); ?></h2>
1074                  <div class="menu-edit">
1075                      <input type="hidden" name="nav-menu-data">
1076                      <?php
1077                      wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
1078                      wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );
1079                      wp_nonce_field( 'update-nav_menu', 'update-nav-menu-nonce' );
1080  
1081                      $menu_name_aria_desc = $add_new_screen ? ' aria-describedby="menu-name-desc"' : '';
1082  
1083                      if ( $one_theme_location_no_menus ) {
1084                          $menu_name_val = 'value="' . esc_attr( 'Menu 1' ) . '"';
1085                          ?>
1086                          <input type="hidden" name="zero-menu-state" value="true" />
1087                          <?php
1088                      } else {
1089                          $menu_name_val = 'value="' . esc_attr( $nav_menu_selected_title ) . '"';
1090                      }
1091                      ?>
1092                      <input type="hidden" name="action" value="update" />
1093                      <input type="hidden" name="menu" id="menu" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
1094                      <div id="nav-menu-header">
1095                          <div class="major-publishing-actions wp-clearfix">
1096                              <label class="menu-name-label" for="menu-name"><?php _e( 'Menu Name' ); ?></label>
1097                              <input name="menu-name" id="menu-name" type="text" class="menu-name regular-text menu-item-textbox form-required" required="required" <?php echo $menu_name_val . $menu_name_aria_desc; ?> />
1098                              <div class="publishing-action">
1099                                  <?php submit_button( empty( $nav_menu_selected_id ) ? __( 'Create Menu' ) : __( 'Save Menu' ), 'primary large menu-save', 'save_menu', false, array( 'id' => 'save_menu_header' ) ); ?>
1100                              </div><!-- END .publishing-action -->
1101                          </div><!-- END .major-publishing-actions -->
1102                      </div><!-- END .nav-menu-header -->
1103                      <div id="post-body">
1104                          <div id="post-body-content" class="wp-clearfix">
1105                              <?php if ( ! $add_new_screen ) : ?>
1106                                  <?php
1107                                  $hide_style = '';
1108  
1109                                  if ( isset( $menu_items ) && 0 === count( $menu_items ) ) {
1110                                      $hide_style = 'style="display: none;"';
1111                                  }
1112  
1113                                  if ( $one_theme_location_no_menus ) {
1114                                      $starter_copy = __( 'Edit your default menu by adding or removing items. Drag the items into the order you prefer. Click Create Menu to save your changes.' );
1115                                  } else {
1116                                      $starter_copy = __( 'Drag the items into the order you prefer. Click the arrow on the right of the item to reveal additional configuration options.' );
1117                                  }
1118                                  ?>
1119                                  <div class="drag-instructions post-body-plain" <?php echo $hide_style; ?>>
1120                                      <p><?php echo $starter_copy; ?></p>
1121                                  </div>
1122  
1123                                  <?php if ( ! $add_new_screen ) : ?>
1124                                      <div id="nav-menu-bulk-actions-top" class="bulk-actions" <?php echo $hide_style; ?>>
1125                                          <label class="bulk-select-button" for="bulk-select-switcher-top">
1126                                              <input type="checkbox" id="bulk-select-switcher-top" name="bulk-select-switcher-top" class="bulk-select-switcher">
1127                                              <span class="bulk-select-button-label"><?php _e( 'Bulk Select' ); ?></span>
1128                                          </label>
1129                                      </div>
1130                                  <?php endif; ?>
1131  
1132                                  <?php
1133                                  if ( isset( $edit_markup ) && ! is_wp_error( $edit_markup ) ) {
1134                                      echo $edit_markup;
1135                                  } else {
1136                                      ?>
1137                                      <ul class="menu" id="menu-to-edit"></ul>
1138                                  <?php } ?>
1139  
1140                              <?php endif; ?>
1141  
1142                              <?php if ( $add_new_screen ) : ?>
1143                                  <p class="post-body-plain" id="menu-name-desc"><?php _e( 'Give your menu a name, then click Create Menu.' ); ?></p>
1144                                  <?php if ( isset( $_GET['use-location'] ) ) : ?>
1145                                      <input type="hidden" name="use-location" value="<?php echo esc_attr( $_GET['use-location'] ); ?>" />
1146                                  <?php endif; ?>
1147  
1148                                  <?php
1149                              endif;
1150  
1151                              $no_menus_style = '';
1152  
1153                              if ( $one_theme_location_no_menus ) {
1154                                  $no_menus_style = 'style="display: none;"';
1155                              }
1156                              ?>
1157  
1158                              <?php if ( ! $add_new_screen ) : ?>
1159                                  <div id="nav-menu-bulk-actions-bottom" class="bulk-actions" <?php echo $hide_style; ?>>
1160                                      <label class="bulk-select-button" for="bulk-select-switcher-bottom">
1161                                          <input type="checkbox" id="bulk-select-switcher-bottom" name="bulk-select-switcher-top" class="bulk-select-switcher">
1162                                          <span class="bulk-select-button-label"><?php _e( 'Bulk Select' ); ?></span>
1163                                      </label>
1164                                      <input type="button" class="deletion menu-items-delete disabled" value="<?php esc_attr_e( 'Remove Selected Items' ); ?>">
1165                                      <div id="pending-menu-items-to-delete">
1166                                          <p><?php _e( 'List of menu items selected for deletion:' ); ?></p>
1167                                          <ul></ul>
1168                                      </div>
1169                                  </div>
1170                              <?php endif; ?>
1171  
1172                              <div class="menu-settings" <?php echo $no_menus_style; ?>>
1173                                  <h3><?php _e( 'Menu Settings' ); ?></h3>
1174                                  <?php
1175                                  if ( ! isset( $auto_add ) ) {
1176                                      $auto_add = get_option( 'nav_menu_options' );
1177  
1178                                      if ( ! isset( $auto_add['auto_add'] ) ) {
1179                                          $auto_add = false;
1180                                      } elseif ( false !== array_search( $nav_menu_selected_id, $auto_add['auto_add'], true ) ) {
1181                                          $auto_add = true;
1182                                      } else {
1183                                          $auto_add = false;
1184                                      }
1185                                  }
1186                                  ?>
1187  
1188                                  <fieldset class="menu-settings-group auto-add-pages">
1189                                      <legend class="menu-settings-group-name howto"><?php _e( 'Auto add pages' ); ?></legend>
1190                                      <div class="menu-settings-input checkbox-input">
1191                                          <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>
1192                                      </div>
1193                                  </fieldset>
1194  
1195                                  <?php if ( current_theme_supports( 'menus' ) ) : ?>
1196  
1197                                      <fieldset class="menu-settings-group menu-theme-locations">
1198                                          <legend class="menu-settings-group-name howto"><?php _e( 'Display location' ); ?></legend>
1199                                          <?php
1200                                          foreach ( $locations as $location => $description ) :
1201                                              $checked = false;
1202  
1203                                              if ( isset( $menu_locations[ $location ] )
1204                                                      && 0 !== $nav_menu_selected_id
1205                                                      && $menu_locations[ $location ] === $nav_menu_selected_id
1206                                              ) {
1207                                                      $checked = true;
1208                                              }
1209                                              ?>
1210                                              <div class="menu-settings-input checkbox-input">
1211                                                  <input type="checkbox"<?php checked( $checked ); ?> name="menu-locations[<?php echo esc_attr( $location ); ?>]" id="locations-<?php echo esc_attr( $location ); ?>" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
1212                                                  <label for="locations-<?php echo esc_attr( $location ); ?>"><?php echo $description; ?></label>
1213                                                  <?php if ( ! empty( $menu_locations[ $location ] ) && $menu_locations[ $location ] !== $nav_menu_selected_id ) : ?>
1214                                                      <span class="theme-location-set">
1215                                                      <?php
1216                                                          printf(
1217                                                              /* translators: %s: Menu name. */
1218                                                              _x( '(Currently set to: %s)', 'menu location' ),
1219                                                              wp_get_nav_menu_object( $menu_locations[ $location ] )->name
1220                                                          );
1221                                                      ?>
1222                                                      </span>
1223                                                  <?php endif; ?>
1224                                              </div>
1225                                          <?php endforeach; ?>
1226                                      </fieldset>
1227  
1228                                  <?php endif; ?>
1229  
1230                              </div>
1231                          </div><!-- /#post-body-content -->
1232                      </div><!-- /#post-body -->
1233                      <div id="nav-menu-footer">
1234                          <div class="major-publishing-actions">
1235                              <div class="publishing-action">
1236                                  <?php submit_button( empty( $nav_menu_selected_id ) ? __( 'Create Menu' ) : __( 'Save Menu' ), 'primary large menu-save', 'save_menu', false, array( 'id' => 'save_menu_footer' ) ); ?>
1237                              </div><!-- END .publishing-action -->
1238                              <?php if ( $menu_count > 0 ) : ?>
1239  
1240                                  <?php if ( $add_new_screen ) : ?>
1241                                  <span class="cancel-action">
1242                                      <a class="submitcancel cancellation menu-cancel" href="<?php echo esc_url( admin_url( 'nav-menus.php' ) ); ?>"><?php _e( 'Cancel' ); ?></a>
1243                                  </span><!-- END .cancel-action -->
1244                                  <?php else : ?>
1245                                  <span class="delete-action">
1246                                      <a class="submitdelete deletion menu-delete" href="
1247                                      <?php
1248                                      echo esc_url(
1249                                          wp_nonce_url(
1250                                              add_query_arg(
1251                                                  array(
1252                                                      'action' => 'delete',
1253                                                      'menu' => $nav_menu_selected_id,
1254                                                  ),
1255                                                  admin_url( 'nav-menus.php' )
1256                                              ),
1257                                              'delete-nav_menu-' . $nav_menu_selected_id
1258                                          )
1259                                      );
1260                                      ?>
1261                                      "><?php _e( 'Delete Menu' ); ?></a>
1262                                  </span><!-- END .delete-action -->
1263                                  <?php endif; ?>
1264  
1265                              <?php endif; ?>
1266                          </div><!-- END .major-publishing-actions -->
1267                      </div><!-- /#nav-menu-footer -->
1268                  </div><!-- /.menu-edit -->
1269              </form><!-- /#update-nav-menu -->
1270          </div><!-- /#menu-management -->
1271      </div><!-- /#menu-management-liquid -->
1272      </div><!-- /#nav-menus-frame -->
1273      <?php endif; ?>
1274  </div><!-- /.wrap-->
1275  <?php require_once  ABSPATH . 'wp-admin/admin-footer.php'; ?>


Generated : Sat Dec 21 08:20:01 2024 Cross-referenced by PHPXref