[ Index ]

PHP Cross Reference of WordPress Trunk (Updated Daily)

title

Body

[close]

/wp-admin/js/ -> nav-menu.js (source)

   1  /**
   2   * WordPress Administration Navigation Menu
   3   * Interface JS functions
   4   *
   5   * @version 2.0.0
   6   *
   7   * @package WordPress
   8   * @subpackage Administration
   9   * @output wp-admin/js/nav-menu.js
  10   */
  11  
  12  /* global menus, postboxes, columns, isRtl, navMenuL10n, ajaxurl, wpNavMenu */
  13  
  14  (function($) {
  15  
  16      var api;
  17  
  18      /**
  19       * Contains all the functions to handle WordPress navigation menus administration.
  20       *
  21       * @namespace wpNavMenu
  22       */
  23      api = window.wpNavMenu = {
  24  
  25          options : {
  26              menuItemDepthPerLevel : 30, // Do not use directly. Use depthToPx and pxToDepth instead.
  27              globalMaxDepth:  11,
  28              sortableItems:   '> *',
  29              targetTolerance: 0
  30          },
  31  
  32          menuList : undefined,    // Set in init.
  33          targetList : undefined, // Set in init.
  34          menusChanged : false,
  35          isRTL: !! ( 'undefined' != typeof isRtl && isRtl ),
  36          negateIfRTL: ( 'undefined' != typeof isRtl && isRtl ) ? -1 : 1,
  37          lastSearch: '',
  38  
  39          // Functions that run on init.
  40          init : function() {
  41              api.menuList = $('#menu-to-edit');
  42              api.targetList = api.menuList;
  43  
  44              this.jQueryExtensions();
  45  
  46              this.attachMenuEditListeners();
  47  
  48              this.attachQuickSearchListeners();
  49              this.attachThemeLocationsListeners();
  50              this.attachMenuSaveSubmitListeners();
  51  
  52              this.attachTabsPanelListeners();
  53  
  54              this.attachUnsavedChangesListener();
  55  
  56              if ( api.menuList.length )
  57                  this.initSortables();
  58  
  59              if ( menus.oneThemeLocationNoMenus )
  60                  $( '#posttype-page' ).addSelectedToMenu( api.addMenuItemToBottom );
  61  
  62              this.initManageLocations();
  63  
  64              this.initAccessibility();
  65  
  66              this.initToggles();
  67  
  68              this.initPreviewing();
  69          },
  70  
  71          jQueryExtensions : function() {
  72              // jQuery extensions
  73              $.fn.extend({
  74                  menuItemDepth : function() {
  75                      var margin = api.isRTL ? this.eq(0).css('margin-right') : this.eq(0).css('margin-left');
  76                      return api.pxToDepth( margin && -1 != margin.indexOf('px') ? margin.slice(0, -2) : 0 );
  77                  },
  78                  updateDepthClass : function(current, prev) {
  79                      return this.each(function(){
  80                          var t = $(this);
  81                          prev = prev || t.menuItemDepth();
  82                          $(this).removeClass('menu-item-depth-'+ prev )
  83                              .addClass('menu-item-depth-'+ current );
  84                      });
  85                  },
  86                  shiftDepthClass : function(change) {
  87                      return this.each(function(){
  88                          var t = $(this),
  89                              depth = t.menuItemDepth(),
  90                              newDepth = depth + change;
  91  
  92                          t.removeClass( 'menu-item-depth-'+ depth )
  93                              .addClass( 'menu-item-depth-'+ ( newDepth ) );
  94  
  95                          if ( 0 === newDepth ) {
  96                              t.find( '.is-submenu' ).hide();
  97                          }
  98                      });
  99                  },
 100                  childMenuItems : function() {
 101                      var result = $();
 102                      this.each(function(){
 103                          var t = $(this), depth = t.menuItemDepth(), next = t.next( '.menu-item' );
 104                          while( next.length && next.menuItemDepth() > depth ) {
 105                              result = result.add( next );
 106                              next = next.next( '.menu-item' );
 107                          }
 108                      });
 109                      return result;
 110                  },
 111                  shiftHorizontally : function( dir ) {
 112                      return this.each(function(){
 113                          var t = $(this),
 114                              depth = t.menuItemDepth(),
 115                              newDepth = depth + dir;
 116  
 117                          // Change .menu-item-depth-n class
 118                          t.moveHorizontally( newDepth, depth );
 119                      });
 120                  },
 121                  moveHorizontally : function( newDepth, depth ) {
 122                      return this.each(function(){
 123                          var t = $(this),
 124                              children = t.childMenuItems(),
 125                              diff = newDepth - depth,
 126                              subItemText = t.find('.is-submenu');
 127  
 128                          // Change .menu-item-depth-n class
 129                          t.updateDepthClass( newDepth, depth ).updateParentMenuItemDBId();
 130  
 131                          // If it has children, move those too
 132                          if ( children ) {
 133                              children.each(function() {
 134                                  var t = $(this),
 135                                      thisDepth = t.menuItemDepth(),
 136                                      newDepth = thisDepth + diff;
 137                                  t.updateDepthClass(newDepth, thisDepth).updateParentMenuItemDBId();
 138                              });
 139                          }
 140  
 141                          // Show "Sub item" helper text
 142                          if (0 === newDepth)
 143                              subItemText.hide();
 144                          else
 145                              subItemText.show();
 146                      });
 147                  },
 148                  updateParentMenuItemDBId : function() {
 149                      return this.each(function(){
 150                          var item = $(this),
 151                              input = item.find( '.menu-item-data-parent-id' ),
 152                              depth = parseInt( item.menuItemDepth(), 10 ),
 153                              parentDepth = depth - 1,
 154                              parent = item.prevAll( '.menu-item-depth-' + parentDepth ).first();
 155  
 156                          if ( 0 === depth ) { // Item is on the top level, has no parent
 157                              input.val(0);
 158                          } else { // Find the parent item, and retrieve its object id.
 159                              input.val( parent.find( '.menu-item-data-db-id' ).val() );
 160                          }
 161                      });
 162                  },
 163                  hideAdvancedMenuItemFields : function() {
 164                      return this.each(function(){
 165                          var that = $(this);
 166                          $('.hide-column-tog').not(':checked').each(function(){
 167                              that.find('.field-' + $(this).val() ).addClass('hidden-field');
 168                          });
 169                      });
 170                  },
 171                  /**
 172                   * Adds selected menu items to the menu.
 173                   *
 174                   * @ignore
 175                   *
 176                   * @param jQuery metabox The metabox jQuery object.
 177                   */
 178                  addSelectedToMenu : function(processMethod) {
 179                      if ( 0 === $('#menu-to-edit').length ) {
 180                          return false;
 181                      }
 182  
 183                      return this.each(function() {
 184                          var t = $(this), menuItems = {},
 185                              checkboxes = ( menus.oneThemeLocationNoMenus && 0 === t.find( '.tabs-panel-active .categorychecklist li input:checked' ).length ) ? t.find( '#page-all li input[type="checkbox"]' ) : t.find( '.tabs-panel-active .categorychecklist li input:checked' ),
 186                              re = /menu-item\[([^\]]*)/;
 187  
 188                          processMethod = processMethod || api.addMenuItemToBottom;
 189  
 190                          // If no items are checked, bail.
 191                          if ( !checkboxes.length )
 192                              return false;
 193  
 194                          // Show the ajax spinner
 195                          t.find( '.button-controls .spinner' ).addClass( 'is-active' );
 196  
 197                          // Retrieve menu item data
 198                          $(checkboxes).each(function(){
 199                              var t = $(this),
 200                                  listItemDBIDMatch = re.exec( t.attr('name') ),
 201                                  listItemDBID = 'undefined' == typeof listItemDBIDMatch[1] ? 0 : parseInt(listItemDBIDMatch[1], 10);
 202  
 203                              if ( this.className && -1 != this.className.indexOf('add-to-top') )
 204                                  processMethod = api.addMenuItemToTop;
 205                              menuItems[listItemDBID] = t.closest('li').getItemData( 'add-menu-item', listItemDBID );
 206                          });
 207  
 208                          // Add the items
 209                          api.addItemToMenu(menuItems, processMethod, function(){
 210                              // Deselect the items and hide the ajax spinner
 211                              checkboxes.prop( 'checked', false );
 212                              t.find( '.button-controls .select-all' ).prop( 'checked', false );
 213                              t.find( '.button-controls .spinner' ).removeClass( 'is-active' );
 214                          });
 215                      });
 216                  },
 217                  getItemData : function( itemType, id ) {
 218                      itemType = itemType || 'menu-item';
 219  
 220                      var itemData = {}, i,
 221                      fields = [
 222                          'menu-item-db-id',
 223                          'menu-item-object-id',
 224                          'menu-item-object',
 225                          'menu-item-parent-id',
 226                          'menu-item-position',
 227                          'menu-item-type',
 228                          'menu-item-title',
 229                          'menu-item-url',
 230                          'menu-item-description',
 231                          'menu-item-attr-title',
 232                          'menu-item-target',
 233                          'menu-item-classes',
 234                          'menu-item-xfn'
 235                      ];
 236  
 237                      if( !id && itemType == 'menu-item' ) {
 238                          id = this.find('.menu-item-data-db-id').val();
 239                      }
 240  
 241                      if( !id ) return itemData;
 242  
 243                      this.find('input').each(function() {
 244                          var field;
 245                          i = fields.length;
 246                          while ( i-- ) {
 247                              if( itemType == 'menu-item' )
 248                                  field = fields[i] + '[' + id + ']';
 249                              else if( itemType == 'add-menu-item' )
 250                                  field = 'menu-item[' + id + '][' + fields[i] + ']';
 251  
 252                              if (
 253                                  this.name &&
 254                                  field == this.name
 255                              ) {
 256                                  itemData[fields[i]] = this.value;
 257                              }
 258                          }
 259                      });
 260  
 261                      return itemData;
 262                  },
 263                  setItemData : function( itemData, itemType, id ) { // Can take a type, such as 'menu-item', or an id.
 264                      itemType = itemType || 'menu-item';
 265  
 266                      if( !id && itemType == 'menu-item' ) {
 267                          id = $('.menu-item-data-db-id', this).val();
 268                      }
 269  
 270                      if( !id ) return this;
 271  
 272                      this.find('input').each(function() {
 273                          var t = $(this), field;
 274                          $.each( itemData, function( attr, val ) {
 275                              if( itemType == 'menu-item' )
 276                                  field = attr + '[' + id + ']';
 277                              else if( itemType == 'add-menu-item' )
 278                                  field = 'menu-item[' + id + '][' + attr + ']';
 279  
 280                              if ( field == t.attr('name') ) {
 281                                  t.val( val );
 282                              }
 283                          });
 284                      });
 285                      return this;
 286                  }
 287              });
 288          },
 289  
 290          countMenuItems : function( depth ) {
 291              return $( '.menu-item-depth-' + depth ).length;
 292          },
 293  
 294          moveMenuItem : function( $this, dir ) {
 295  
 296              var items, newItemPosition, newDepth,
 297                  menuItems = $( '#menu-to-edit li' ),
 298                  menuItemsCount = menuItems.length,
 299                  thisItem = $this.parents( 'li.menu-item' ),
 300                  thisItemChildren = thisItem.childMenuItems(),
 301                  thisItemData = thisItem.getItemData(),
 302                  thisItemDepth = parseInt( thisItem.menuItemDepth(), 10 ),
 303                  thisItemPosition = parseInt( thisItem.index(), 10 ),
 304                  nextItem = thisItem.next(),
 305                  nextItemChildren = nextItem.childMenuItems(),
 306                  nextItemDepth = parseInt( nextItem.menuItemDepth(), 10 ) + 1,
 307                  prevItem = thisItem.prev(),
 308                  prevItemDepth = parseInt( prevItem.menuItemDepth(), 10 ),
 309                  prevItemId = prevItem.getItemData()['menu-item-db-id'];
 310  
 311              switch ( dir ) {
 312              case 'up':
 313                  newItemPosition = thisItemPosition - 1;
 314  
 315                  // Already at top
 316                  if ( 0 === thisItemPosition )
 317                      break;
 318  
 319                  // If a sub item is moved to top, shift it to 0 depth
 320                  if ( 0 === newItemPosition && 0 !== thisItemDepth )
 321                      thisItem.moveHorizontally( 0, thisItemDepth );
 322  
 323                  // If prev item is sub item, shift to match depth
 324                  if ( 0 !== prevItemDepth )
 325                      thisItem.moveHorizontally( prevItemDepth, thisItemDepth );
 326  
 327                  // Does this item have sub items?
 328                  if ( thisItemChildren ) {
 329                      items = thisItem.add( thisItemChildren );
 330                      // Move the entire block
 331                      items.detach().insertBefore( menuItems.eq( newItemPosition ) ).updateParentMenuItemDBId();
 332                  } else {
 333                      thisItem.detach().insertBefore( menuItems.eq( newItemPosition ) ).updateParentMenuItemDBId();
 334                  }
 335                  break;
 336              case 'down':
 337                  // Does this item have sub items?
 338                  if ( thisItemChildren ) {
 339                      items = thisItem.add( thisItemChildren ),
 340                          nextItem = menuItems.eq( items.length + thisItemPosition ),
 341                          nextItemChildren = 0 !== nextItem.childMenuItems().length;
 342  
 343                      if ( nextItemChildren ) {
 344                          newDepth = parseInt( nextItem.menuItemDepth(), 10 ) + 1;
 345                          thisItem.moveHorizontally( newDepth, thisItemDepth );
 346                      }
 347  
 348                      // Have we reached the bottom?
 349                      if ( menuItemsCount === thisItemPosition + items.length )
 350                          break;
 351  
 352                      items.detach().insertAfter( menuItems.eq( thisItemPosition + items.length ) ).updateParentMenuItemDBId();
 353                  } else {
 354                      // If next item has sub items, shift depth
 355                      if ( 0 !== nextItemChildren.length )
 356                          thisItem.moveHorizontally( nextItemDepth, thisItemDepth );
 357  
 358                      // Have we reached the bottom
 359                      if ( menuItemsCount === thisItemPosition + 1 )
 360                          break;
 361                      thisItem.detach().insertAfter( menuItems.eq( thisItemPosition + 1 ) ).updateParentMenuItemDBId();
 362                  }
 363                  break;
 364              case 'top':
 365                  // Already at top
 366                  if ( 0 === thisItemPosition )
 367                      break;
 368                  // Does this item have sub items?
 369                  if ( thisItemChildren ) {
 370                      items = thisItem.add( thisItemChildren );
 371                      // Move the entire block
 372                      items.detach().insertBefore( menuItems.eq( 0 ) ).updateParentMenuItemDBId();
 373                  } else {
 374                      thisItem.detach().insertBefore( menuItems.eq( 0 ) ).updateParentMenuItemDBId();
 375                  }
 376                  break;
 377              case 'left':
 378                  // As far left as possible
 379                  if ( 0 === thisItemDepth )
 380                      break;
 381                  thisItem.shiftHorizontally( -1 );
 382                  break;
 383              case 'right':
 384                  // Can't be sub item at top
 385                  if ( 0 === thisItemPosition )
 386                      break;
 387                  // Already sub item of prevItem
 388                  if ( thisItemData['menu-item-parent-id'] === prevItemId )
 389                      break;
 390                  thisItem.shiftHorizontally( 1 );
 391                  break;
 392              }
 393              $this.focus();
 394              api.registerChange();
 395              api.refreshKeyboardAccessibility();
 396              api.refreshAdvancedAccessibility();
 397          },
 398  
 399          initAccessibility : function() {
 400              var menu = $( '#menu-to-edit' );
 401  
 402              api.refreshKeyboardAccessibility();
 403              api.refreshAdvancedAccessibility();
 404  
 405              // Refresh the accessibility when the user comes close to the item in any way
 406              menu.on( 'mouseenter.refreshAccessibility focus.refreshAccessibility touchstart.refreshAccessibility' , '.menu-item' , function(){
 407                  api.refreshAdvancedAccessibilityOfItem( $( this ).find( 'a.item-edit' ) );
 408              } );
 409  
 410              // We have to update on click as well because we might hover first, change the item, and then click.
 411              menu.on( 'click', 'a.item-edit', function() {
 412                  api.refreshAdvancedAccessibilityOfItem( $( this ) );
 413              } );
 414  
 415              // Links for moving items
 416              menu.on( 'click', '.menus-move', function () {
 417                  var $this = $( this ),
 418                      dir = $this.data( 'dir' );
 419  
 420                  if ( 'undefined' !== typeof dir ) {
 421                      api.moveMenuItem( $( this ).parents( 'li.menu-item' ).find( 'a.item-edit' ), dir );
 422                  }
 423              });
 424          },
 425  
 426          /**
 427           * refreshAdvancedAccessibilityOfItem( [itemToRefresh] )
 428           *
 429           * Refreshes advanced accessibility buttons for one menu item.
 430           * Shows or hides buttons based on the location of the menu item.
 431           *
 432           * @param  {object} itemToRefresh The menu item that might need its advanced accessibility buttons refreshed
 433           */
 434          refreshAdvancedAccessibilityOfItem : function( itemToRefresh ) {
 435  
 436              // Only refresh accessibility when necessary
 437              if ( true !== $( itemToRefresh ).data( 'needs_accessibility_refresh' ) ) {
 438                  return;
 439              }
 440  
 441              var thisLink, thisLinkText, primaryItems, itemPosition, title,
 442                  parentItem, parentItemId, parentItemName, subItems,
 443                  $this = $( itemToRefresh ),
 444                  menuItem = $this.closest( 'li.menu-item' ).first(),
 445                  depth = menuItem.menuItemDepth(),
 446                  isPrimaryMenuItem = ( 0 === depth ),
 447                  itemName = $this.closest( '.menu-item-handle' ).find( '.menu-item-title' ).text(),
 448                  position = parseInt( menuItem.index(), 10 ),
 449                  prevItemDepth = ( isPrimaryMenuItem ) ? depth : parseInt( depth - 1, 10 ),
 450                  prevItemNameLeft = menuItem.prevAll('.menu-item-depth-' + prevItemDepth).first().find( '.menu-item-title' ).text(),
 451                  prevItemNameRight = menuItem.prevAll('.menu-item-depth-' + depth).first().find( '.menu-item-title' ).text(),
 452                  totalMenuItems = $('#menu-to-edit li').length,
 453                  hasSameDepthSibling = menuItem.nextAll( '.menu-item-depth-' + depth ).length;
 454  
 455                  menuItem.find( '.field-move' ).toggle( totalMenuItems > 1 );
 456  
 457              // Where can they move this menu item?
 458              if ( 0 !== position ) {
 459                  thisLink = menuItem.find( '.menus-move-up' );
 460                  thisLink.attr( 'aria-label', menus.moveUp ).css( 'display', 'inline' );
 461              }
 462  
 463              if ( 0 !== position && isPrimaryMenuItem ) {
 464                  thisLink = menuItem.find( '.menus-move-top' );
 465                  thisLink.attr( 'aria-label', menus.moveToTop ).css( 'display', 'inline' );
 466              }
 467  
 468              if ( position + 1 !== totalMenuItems && 0 !== position ) {
 469                  thisLink = menuItem.find( '.menus-move-down' );
 470                  thisLink.attr( 'aria-label', menus.moveDown ).css( 'display', 'inline' );
 471              }
 472  
 473              if ( 0 === position && 0 !== hasSameDepthSibling ) {
 474                  thisLink = menuItem.find( '.menus-move-down' );
 475                  thisLink.attr( 'aria-label', menus.moveDown ).css( 'display', 'inline' );
 476              }
 477  
 478              if ( ! isPrimaryMenuItem ) {
 479                  thisLink = menuItem.find( '.menus-move-left' ),
 480                  thisLinkText = menus.outFrom.replace( '%s', prevItemNameLeft );
 481                  thisLink.attr( 'aria-label', menus.moveOutFrom.replace( '%s', prevItemNameLeft ) ).text( thisLinkText ).css( 'display', 'inline' );
 482              }
 483  
 484              if ( 0 !== position ) {
 485                  if ( menuItem.find( '.menu-item-data-parent-id' ).val() !== menuItem.prev().find( '.menu-item-data-db-id' ).val() ) {
 486                      thisLink = menuItem.find( '.menus-move-right' ),
 487                      thisLinkText = menus.under.replace( '%s', prevItemNameRight );
 488                      thisLink.attr( 'aria-label', menus.moveUnder.replace( '%s', prevItemNameRight ) ).text( thisLinkText ).css( 'display', 'inline' );
 489                  }
 490              }
 491  
 492              if ( isPrimaryMenuItem ) {
 493                  primaryItems = $( '.menu-item-depth-0' ),
 494                  itemPosition = primaryItems.index( menuItem ) + 1,
 495                  totalMenuItems = primaryItems.length,
 496  
 497                  // String together help text for primary menu items
 498                  title = menus.menuFocus.replace( '%1$s', itemName ).replace( '%2$d', itemPosition ).replace( '%3$d', totalMenuItems );
 499              } else {
 500                  parentItem = menuItem.prevAll( '.menu-item-depth-' + parseInt( depth - 1, 10 ) ).first(),
 501                  parentItemId = parentItem.find( '.menu-item-data-db-id' ).val(),
 502                  parentItemName = parentItem.find( '.menu-item-title' ).text(),
 503                  subItems = $( '.menu-item .menu-item-data-parent-id[value="' + parentItemId + '"]' ),
 504                  itemPosition = $( subItems.parents('.menu-item').get().reverse() ).index( menuItem ) + 1;
 505  
 506                  // String together help text for sub menu items
 507                  title = menus.subMenuFocus.replace( '%1$s', itemName ).replace( '%2$d', itemPosition ).replace( '%3$s', parentItemName );
 508              }
 509  
 510              $this.attr( 'aria-label', title );
 511  
 512              // Mark this item's accessibility as refreshed
 513              $this.data( 'needs_accessibility_refresh', false );
 514          },
 515  
 516          /**
 517           * refreshAdvancedAccessibility
 518           *
 519           * Hides all advanced accessibility buttons and marks them for refreshing.
 520           */
 521          refreshAdvancedAccessibility : function() {
 522  
 523              // Hide all the move buttons by default.
 524              $( '.menu-item-settings .field-move .menus-move' ).hide();
 525  
 526              // Mark all menu items as unprocessed
 527              $( 'a.item-edit' ).data( 'needs_accessibility_refresh', true );
 528  
 529              // All open items have to be refreshed or they will show no links
 530              $( '.menu-item-edit-active a.item-edit' ).each( function() {
 531                  api.refreshAdvancedAccessibilityOfItem( this );
 532              } );
 533          },
 534  
 535          refreshKeyboardAccessibility : function() {
 536              $( 'a.item-edit' ).off( 'focus' ).on( 'focus', function(){
 537                  $(this).off( 'keydown' ).on( 'keydown', function(e){
 538  
 539                      var arrows,
 540                          $this = $( this ),
 541                          thisItem = $this.parents( 'li.menu-item' ),
 542                          thisItemData = thisItem.getItemData();
 543  
 544                      // Bail if it's not an arrow key
 545                      if ( 37 != e.which && 38 != e.which && 39 != e.which && 40 != e.which )
 546                          return;
 547  
 548                      // Avoid multiple keydown events
 549                      $this.off('keydown');
 550  
 551                      // Bail if there is only one menu item
 552                      if ( 1 === $('#menu-to-edit li').length )
 553                          return;
 554  
 555                      // If RTL, swap left/right arrows
 556                      arrows = { '38': 'up', '40': 'down', '37': 'left', '39': 'right' };
 557                      if ( $('body').hasClass('rtl') )
 558                          arrows = { '38' : 'up', '40' : 'down', '39' : 'left', '37' : 'right' };
 559  
 560                      switch ( arrows[e.which] ) {
 561                      case 'up':
 562                          api.moveMenuItem( $this, 'up' );
 563                          break;
 564                      case 'down':
 565                          api.moveMenuItem( $this, 'down' );
 566                          break;
 567                      case 'left':
 568                          api.moveMenuItem( $this, 'left' );
 569                          break;
 570                      case 'right':
 571                          api.moveMenuItem( $this, 'right' );
 572                          break;
 573                      }
 574                      // Put focus back on same menu item
 575                      $( '#edit-' + thisItemData['menu-item-db-id'] ).focus();
 576                      return false;
 577                  });
 578              });
 579          },
 580  
 581          initPreviewing : function() {
 582              // Update the item handle title when the navigation label is changed.
 583              $( '#menu-to-edit' ).on( 'change input', '.edit-menu-item-title', function(e) {
 584                  var input = $( e.currentTarget ), title, titleEl;
 585                  title = input.val();
 586                  titleEl = input.closest( '.menu-item' ).find( '.menu-item-title' );
 587                  // Don't update to empty title.
 588                  if ( title ) {
 589                      titleEl.text( title ).removeClass( 'no-title' );
 590                  } else {
 591                      titleEl.text( navMenuL10n.untitled ).addClass( 'no-title' );
 592                  }
 593              } );
 594          },
 595  
 596          initToggles : function() {
 597              // init postboxes
 598              postboxes.add_postbox_toggles('nav-menus');
 599  
 600              // adjust columns functions for menus UI
 601              columns.useCheckboxesForHidden();
 602              columns.checked = function(field) {
 603                  $('.field-' + field).removeClass('hidden-field');
 604              };
 605              columns.unchecked = function(field) {
 606                  $('.field-' + field).addClass('hidden-field');
 607              };
 608              // hide fields
 609              api.menuList.hideAdvancedMenuItemFields();
 610  
 611              $('.hide-postbox-tog').click(function () {
 612                  var hidden = $( '.accordion-container li.accordion-section' ).filter(':hidden').map(function() { return this.id; }).get().join(',');
 613                  $.post(ajaxurl, {
 614                      action: 'closed-postboxes',
 615                      hidden: hidden,
 616                      closedpostboxesnonce: jQuery('#closedpostboxesnonce').val(),
 617                      page: 'nav-menus'
 618                  });
 619              });
 620          },
 621  
 622          initSortables : function() {
 623              var currentDepth = 0, originalDepth, minDepth, maxDepth,
 624                  prev, next, prevBottom, nextThreshold, helperHeight, transport,
 625                  menuEdge = api.menuList.offset().left,
 626                  body = $('body'), maxChildDepth,
 627                  menuMaxDepth = initialMenuMaxDepth();
 628  
 629              if( 0 !== $( '#menu-to-edit li' ).length )
 630                  $( '.drag-instructions' ).show();
 631  
 632              // Use the right edge if RTL.
 633              menuEdge += api.isRTL ? api.menuList.width() : 0;
 634  
 635              api.menuList.sortable({
 636                  handle: '.menu-item-handle',
 637                  placeholder: 'sortable-placeholder',
 638                  items: api.options.sortableItems,
 639                  start: function(e, ui) {
 640                      var height, width, parent, children, tempHolder;
 641  
 642                      // handle placement for rtl orientation
 643                      if ( api.isRTL )
 644                          ui.item[0].style.right = 'auto';
 645  
 646                      transport = ui.item.children('.menu-item-transport');
 647  
 648                      // Set depths. currentDepth must be set before children are located.
 649                      originalDepth = ui.item.menuItemDepth();
 650                      updateCurrentDepth(ui, originalDepth);
 651  
 652                      // Attach child elements to parent
 653                      // Skip the placeholder
 654                      parent = ( ui.item.next()[0] == ui.placeholder[0] ) ? ui.item.next() : ui.item;
 655                      children = parent.childMenuItems();
 656                      transport.append( children );
 657  
 658                      // Update the height of the placeholder to match the moving item.
 659                      height = transport.outerHeight();
 660                      // If there are children, account for distance between top of children and parent
 661                      height += ( height > 0 ) ? (ui.placeholder.css('margin-top').slice(0, -2) * 1) : 0;
 662                      height += ui.helper.outerHeight();
 663                      helperHeight = height;
 664                      height -= 2; // Subtract 2 for borders
 665                      ui.placeholder.height(height);
 666  
 667                      // Update the width of the placeholder to match the moving item.
 668                      maxChildDepth = originalDepth;
 669                      children.each(function(){
 670                          var depth = $(this).menuItemDepth();
 671                          maxChildDepth = (depth > maxChildDepth) ? depth : maxChildDepth;
 672                      });
 673                      width = ui.helper.find('.menu-item-handle').outerWidth(); // Get original width
 674                      width += api.depthToPx(maxChildDepth - originalDepth); // Account for children
 675                      width -= 2; // Subtract 2 for borders
 676                      ui.placeholder.width(width);
 677  
 678                      // Update the list of menu items.
 679                      tempHolder = ui.placeholder.next( '.menu-item' );
 680                      tempHolder.css( 'margin-top', helperHeight + 'px' ); // Set the margin to absorb the placeholder
 681                      ui.placeholder.detach(); // detach or jQuery UI will think the placeholder is a menu item
 682                      $(this).sortable( 'refresh' ); // The children aren't sortable. We should let jQ UI know.
 683                      ui.item.after( ui.placeholder ); // reattach the placeholder.
 684                      tempHolder.css('margin-top', 0); // reset the margin
 685  
 686                      // Now that the element is complete, we can update...
 687                      updateSharedVars(ui);
 688                  },
 689                  stop: function(e, ui) {
 690                      var children, subMenuTitle,
 691                          depthChange = currentDepth - originalDepth;
 692  
 693                      // Return child elements to the list
 694                      children = transport.children().insertAfter(ui.item);
 695  
 696                      // Add "sub menu" description
 697                      subMenuTitle = ui.item.find( '.item-title .is-submenu' );
 698                      if ( 0 < currentDepth )
 699                          subMenuTitle.show();
 700                      else
 701                          subMenuTitle.hide();
 702  
 703                      // Update depth classes
 704                      if ( 0 !== depthChange ) {
 705                          ui.item.updateDepthClass( currentDepth );
 706                          children.shiftDepthClass( depthChange );
 707                          updateMenuMaxDepth( depthChange );
 708                      }
 709                      // Register a change
 710                      api.registerChange();
 711                      // Update the item data.
 712                      ui.item.updateParentMenuItemDBId();
 713  
 714                      // address sortable's incorrectly-calculated top in opera
 715                      ui.item[0].style.top = 0;
 716  
 717                      // handle drop placement for rtl orientation
 718                      if ( api.isRTL ) {
 719                          ui.item[0].style.left = 'auto';
 720                          ui.item[0].style.right = 0;
 721                      }
 722  
 723                      api.refreshKeyboardAccessibility();
 724                      api.refreshAdvancedAccessibility();
 725                  },
 726                  change: function(e, ui) {
 727                      // Make sure the placeholder is inside the menu.
 728                      // Otherwise fix it, or we're in trouble.
 729                      if( ! ui.placeholder.parent().hasClass('menu') )
 730                          (prev.length) ? prev.after( ui.placeholder ) : api.menuList.prepend( ui.placeholder );
 731  
 732                      updateSharedVars(ui);
 733                  },
 734                  sort: function(e, ui) {
 735                      var offset = ui.helper.offset(),
 736                          edge = api.isRTL ? offset.left + ui.helper.width() : offset.left,
 737                          depth = api.negateIfRTL * api.pxToDepth( edge - menuEdge );
 738  
 739                      // Check and correct if depth is not within range.
 740                      // Also, if the dragged element is dragged upwards over
 741                      // an item, shift the placeholder to a child position.
 742                      if ( depth > maxDepth || offset.top < ( prevBottom - api.options.targetTolerance ) ) {
 743                          depth = maxDepth;
 744                      } else if ( depth < minDepth ) {
 745                          depth = minDepth;
 746                      }
 747  
 748                      if( depth != currentDepth )
 749                          updateCurrentDepth(ui, depth);
 750  
 751                      // If we overlap the next element, manually shift downwards
 752                      if( nextThreshold && offset.top + helperHeight > nextThreshold ) {
 753                          next.after( ui.placeholder );
 754                          updateSharedVars( ui );
 755                          $( this ).sortable( 'refreshPositions' );
 756                      }
 757                  }
 758              });
 759  
 760  			function updateSharedVars(ui) {
 761                  var depth;
 762  
 763                  prev = ui.placeholder.prev( '.menu-item' );
 764                  next = ui.placeholder.next( '.menu-item' );
 765  
 766                  // Make sure we don't select the moving item.
 767                  if( prev[0] == ui.item[0] ) prev = prev.prev( '.menu-item' );
 768                  if( next[0] == ui.item[0] ) next = next.next( '.menu-item' );
 769  
 770                  prevBottom = (prev.length) ? prev.offset().top + prev.height() : 0;
 771                  nextThreshold = (next.length) ? next.offset().top + next.height() / 3 : 0;
 772                  minDepth = (next.length) ? next.menuItemDepth() : 0;
 773  
 774                  if( prev.length )
 775                      maxDepth = ( (depth = prev.menuItemDepth() + 1) > api.options.globalMaxDepth ) ? api.options.globalMaxDepth : depth;
 776                  else
 777                      maxDepth = 0;
 778              }
 779  
 780  			function updateCurrentDepth(ui, depth) {
 781                  ui.placeholder.updateDepthClass( depth, currentDepth );
 782                  currentDepth = depth;
 783              }
 784  
 785  			function initialMenuMaxDepth() {
 786                  if( ! body[0].className ) return 0;
 787                  var match = body[0].className.match(/menu-max-depth-(\d+)/);
 788                  return match && match[1] ? parseInt( match[1], 10 ) : 0;
 789              }
 790  
 791  			function updateMenuMaxDepth( depthChange ) {
 792                  var depth, newDepth = menuMaxDepth;
 793                  if ( depthChange === 0 ) {
 794                      return;
 795                  } else if ( depthChange > 0 ) {
 796                      depth = maxChildDepth + depthChange;
 797                      if( depth > menuMaxDepth )
 798                          newDepth = depth;
 799                  } else if ( depthChange < 0 && maxChildDepth == menuMaxDepth ) {
 800                      while( ! $('.menu-item-depth-' + newDepth, api.menuList).length && newDepth > 0 )
 801                          newDepth--;
 802                  }
 803                  // Update the depth class.
 804                  body.removeClass( 'menu-max-depth-' + menuMaxDepth ).addClass( 'menu-max-depth-' + newDepth );
 805                  menuMaxDepth = newDepth;
 806              }
 807          },
 808  
 809          initManageLocations : function () {
 810              $('#menu-locations-wrap form').submit(function(){
 811                  window.onbeforeunload = null;
 812              });
 813              $('.menu-location-menus select').on('change', function () {
 814                  var editLink = $(this).closest('tr').find('.locations-edit-menu-link');
 815                  if ($(this).find('option:selected').data('orig'))
 816                      editLink.show();
 817                  else
 818                      editLink.hide();
 819              });
 820          },
 821  
 822          attachMenuEditListeners : function() {
 823              var that = this;
 824              $('#update-nav-menu').bind('click', function(e) {
 825                  if ( e.target && e.target.className ) {
 826                      if ( -1 != e.target.className.indexOf('item-edit') ) {
 827                          return that.eventOnClickEditLink(e.target);
 828                      } else if ( -1 != e.target.className.indexOf('menu-save') ) {
 829                          return that.eventOnClickMenuSave(e.target);
 830                      } else if ( -1 != e.target.className.indexOf('menu-delete') ) {
 831                          return that.eventOnClickMenuDelete(e.target);
 832                      } else if ( -1 != e.target.className.indexOf('item-delete') ) {
 833                          return that.eventOnClickMenuItemDelete(e.target);
 834                      } else if ( -1 != e.target.className.indexOf('item-cancel') ) {
 835                          return that.eventOnClickCancelLink(e.target);
 836                      }
 837                  }
 838              });
 839  
 840              $( '#menu-name' ).on( 'input', _.debounce( function () {
 841                  var menuName = $( document.getElementById( 'menu-name' ) ),
 842                      menuNameVal = menuName.val();
 843  
 844                  if ( ! menuNameVal || ! menuNameVal.replace( /\s+/, '' ) ) {
 845                      // Add warning for invalid menu name.
 846                      menuName.parent().addClass( 'form-invalid' );
 847                  } else {
 848                      // Remove warning for valid menu name.
 849                      menuName.parent().removeClass( 'form-invalid' );
 850                  }
 851              }, 500 ) );
 852  
 853              $('#add-custom-links input[type="text"]').keypress(function(e){
 854                  $('#customlinkdiv').removeClass('form-invalid');
 855  
 856                  if ( e.keyCode === 13 ) {
 857                      e.preventDefault();
 858                      $( '#submit-customlinkdiv' ).click();
 859                  }
 860              });
 861          },
 862  
 863          attachMenuSaveSubmitListeners : function() {
 864              /*
 865               * When a navigation menu is saved, store a JSON representation of all form data
 866               * in a single input to avoid PHP `max_input_vars` limitations. See #14134.
 867               */
 868              $( '#update-nav-menu' ).submit( function() {
 869                  var navMenuData = $( '#update-nav-menu' ).serializeArray();
 870                  $( '[name="nav-menu-data"]' ).val( JSON.stringify( navMenuData ) );
 871              });
 872          },
 873  
 874          attachThemeLocationsListeners : function() {
 875              var loc = $('#nav-menu-theme-locations'), params = {};
 876              params.action = 'menu-locations-save';
 877              params['menu-settings-column-nonce'] = $('#menu-settings-column-nonce').val();
 878              loc.find('input[type="submit"]').click(function() {
 879                  loc.find('select').each(function() {
 880                      params[this.name] = $(this).val();
 881                  });
 882                  loc.find( '.spinner' ).addClass( 'is-active' );
 883                  $.post( ajaxurl, params, function() {
 884                      loc.find( '.spinner' ).removeClass( 'is-active' );
 885                  });
 886                  return false;
 887              });
 888          },
 889  
 890          attachQuickSearchListeners : function() {
 891              var searchTimer;
 892  
 893              // Prevent form submission.
 894              $( '#nav-menu-meta' ).on( 'submit', function( event ) {
 895                  event.preventDefault();
 896              });
 897  
 898              $( '#nav-menu-meta' ).on( 'input', '.quick-search', function() {
 899                  var $this = $( this );
 900  
 901                  $this.attr( 'autocomplete', 'off' );
 902  
 903                  if ( searchTimer ) {
 904                      clearTimeout( searchTimer );
 905                  }
 906  
 907                  searchTimer = setTimeout( function() {
 908                      api.updateQuickSearchResults( $this );
 909                   }, 500 );
 910              }).on( 'blur', '.quick-search', function() {
 911                  api.lastSearch = '';
 912              });
 913          },
 914  
 915          updateQuickSearchResults : function(input) {
 916              var panel, params,
 917                  minSearchLength = 2,
 918                  q = input.val();
 919  
 920              /*
 921               * Minimum characters for a search. Also avoid a new AJAX search when
 922               * the pressed key (e.g. arrows) doesn't change the searched term.
 923               */
 924              if ( q.length < minSearchLength || api.lastSearch == q ) {
 925                  return;
 926              }
 927  
 928              api.lastSearch = q;
 929  
 930              panel = input.parents('.tabs-panel');
 931              params = {
 932                  'action': 'menu-quick-search',
 933                  'response-format': 'markup',
 934                  'menu': $('#menu').val(),
 935                  'menu-settings-column-nonce': $('#menu-settings-column-nonce').val(),
 936                  'q': q,
 937                  'type': input.attr('name')
 938              };
 939  
 940              $( '.spinner', panel ).addClass( 'is-active' );
 941  
 942              $.post( ajaxurl, params, function(menuMarkup) {
 943                  api.processQuickSearchQueryResponse(menuMarkup, params, panel);
 944              });
 945          },
 946  
 947          addCustomLink : function( processMethod ) {
 948              var url = $('#custom-menu-item-url').val().trim(),
 949                  label = $('#custom-menu-item-name').val();
 950  
 951              processMethod = processMethod || api.addMenuItemToBottom;
 952  
 953              if ( '' === url || 'https://' == url || 'http://' == url ) {
 954                  $('#customlinkdiv').addClass('form-invalid');
 955                  return false;
 956              }
 957  
 958              // Show the ajax spinner
 959              $( '.customlinkdiv .spinner' ).addClass( 'is-active' );
 960              this.addLinkToMenu( url, label, processMethod, function() {
 961                  // Remove the ajax spinner
 962                  $( '.customlinkdiv .spinner' ).removeClass( 'is-active' );
 963                  // Set custom link form back to defaults
 964                  $('#custom-menu-item-name').val('').blur();
 965                  $( '#custom-menu-item-url' ).val( '' ).attr( 'placeholder', 'https://' );
 966              });
 967          },
 968  
 969          addLinkToMenu : function(url, label, processMethod, callback) {
 970              processMethod = processMethod || api.addMenuItemToBottom;
 971              callback = callback || function(){};
 972  
 973              api.addItemToMenu({
 974                  '-1': {
 975                      'menu-item-type': 'custom',
 976                      'menu-item-url': url,
 977                      'menu-item-title': label
 978                  }
 979              }, processMethod, callback);
 980          },
 981  
 982          addItemToMenu : function(menuItem, processMethod, callback) {
 983              var menu = $('#menu').val(),
 984                  nonce = $('#menu-settings-column-nonce').val(),
 985                  params;
 986  
 987              processMethod = processMethod || function(){};
 988              callback = callback || function(){};
 989  
 990              params = {
 991                  'action': 'add-menu-item',
 992                  'menu': menu,
 993                  'menu-settings-column-nonce': nonce,
 994                  'menu-item': menuItem
 995              };
 996  
 997              $.post( ajaxurl, params, function(menuMarkup) {
 998                  var ins = $('#menu-instructions');
 999  
1000                  menuMarkup = $.trim( menuMarkup ); // Trim leading whitespaces
1001                  processMethod(menuMarkup, params);
1002  
1003                  // Make it stand out a bit more visually, by adding a fadeIn
1004                  $( 'li.pending' ).hide().fadeIn('slow');
1005                  $( '.drag-instructions' ).show();
1006                  if( ! ins.hasClass( 'menu-instructions-inactive' ) && ins.siblings().length )
1007                      ins.addClass( 'menu-instructions-inactive' );
1008  
1009                  callback();
1010              });
1011          },
1012  
1013          /**
1014           * Process the add menu item request response into menu list item. Appends to menu.
1015           *
1016           * @param {string} menuMarkup The text server response of menu item markup.
1017           *
1018           * @fires document#menu-item-added Passes menuMarkup as a jQuery object.
1019           */
1020          addMenuItemToBottom : function( menuMarkup ) {
1021              var $menuMarkup = $( menuMarkup );
1022              $menuMarkup.hideAdvancedMenuItemFields().appendTo( api.targetList );
1023              api.refreshKeyboardAccessibility();
1024              api.refreshAdvancedAccessibility();
1025              $( document ).trigger( 'menu-item-added', [ $menuMarkup ] );
1026          },
1027  
1028          /**
1029           * Process the add menu item request response into menu list item. Prepends to menu.
1030           *
1031           * @param {string} menuMarkup The text server response of menu item markup.
1032           *
1033           * @fires document#menu-item-added Passes menuMarkup as a jQuery object.
1034           */
1035          addMenuItemToTop : function( menuMarkup ) {
1036              var $menuMarkup = $( menuMarkup );
1037              $menuMarkup.hideAdvancedMenuItemFields().prependTo( api.targetList );
1038              api.refreshKeyboardAccessibility();
1039              api.refreshAdvancedAccessibility();
1040              $( document ).trigger( 'menu-item-added', [ $menuMarkup ] );
1041          },
1042  
1043          attachUnsavedChangesListener : function() {
1044              $('#menu-management input, #menu-management select, #menu-management, #menu-management textarea, .menu-location-menus select').change(function(){
1045                  api.registerChange();
1046              });
1047  
1048              if ( 0 !== $('#menu-to-edit').length || 0 !== $('.menu-location-menus select').length ) {
1049                  window.onbeforeunload = function(){
1050                      if ( api.menusChanged )
1051                          return navMenuL10n.saveAlert;
1052                  };
1053              } else {
1054                  // Make the post boxes read-only, as they can't be used yet
1055                  $( '#menu-settings-column' ).find( 'input,select' ).end().find( 'a' ).attr( 'href', '#' ).unbind( 'click' );
1056              }
1057          },
1058  
1059          registerChange : function() {
1060              api.menusChanged = true;
1061          },
1062  
1063          attachTabsPanelListeners : function() {
1064              $('#menu-settings-column').bind('click', function(e) {
1065                  var selectAreaMatch, selectAll, panelId, wrapper, items,
1066                      target = $(e.target);
1067  
1068                  if ( target.hasClass('nav-tab-link') ) {
1069  
1070                      panelId = target.data( 'type' );
1071  
1072                      wrapper = target.parents('.accordion-section-content').first();
1073  
1074                      // upon changing tabs, we want to uncheck all checkboxes
1075                      $( 'input', wrapper ).prop( 'checked', false );
1076  
1077                      $('.tabs-panel-active', wrapper).removeClass('tabs-panel-active').addClass('tabs-panel-inactive');
1078                      $('#' + panelId, wrapper).removeClass('tabs-panel-inactive').addClass('tabs-panel-active');
1079  
1080                      $('.tabs', wrapper).removeClass('tabs');
1081                      target.parent().addClass('tabs');
1082  
1083                      // select the search bar
1084                      $('.quick-search', wrapper).focus();
1085  
1086                      // Hide controls in the search tab if no items found.
1087                      if ( ! wrapper.find( '.tabs-panel-active .menu-item-title' ).length ) {
1088                          wrapper.addClass( 'has-no-menu-item' );
1089                      } else {
1090                          wrapper.removeClass( 'has-no-menu-item' );
1091                      }
1092  
1093                      e.preventDefault();
1094                  } else if ( target.hasClass( 'select-all' ) ) {
1095                      selectAreaMatch = target.closest( '.button-controls' ).data( 'items-type' );
1096                      if ( selectAreaMatch ) {
1097                          items = $( '#' + selectAreaMatch + ' .tabs-panel-active .menu-item-title input' );
1098  
1099                          if ( items.length === items.filter( ':checked' ).length && ! target.is( ':checked' ) ) {
1100                              items.prop( 'checked', false );
1101                          } else if ( target.is( ':checked' ) ) {
1102                              items.prop( 'checked', true );
1103                          }
1104                      }
1105                  } else if ( target.hasClass( 'menu-item-checkbox' ) ) {
1106                      selectAreaMatch = target.closest( '.tabs-panel-active' ).parent().attr( 'id' );
1107                      if ( selectAreaMatch ) {
1108                          items     = $( '#' + selectAreaMatch + ' .tabs-panel-active .menu-item-title input' );
1109                          selectAll = $( '.button-controls[data-items-type="' + selectAreaMatch + '"] .select-all' );
1110  
1111                          if ( items.length === items.filter( ':checked' ).length && ! selectAll.is( ':checked' ) ) {
1112                              selectAll.prop( 'checked', true );
1113                          } else if ( selectAll.is( ':checked' ) ) {
1114                              selectAll.prop( 'checked', false );
1115                          }
1116                      }
1117                  } else if ( target.hasClass('submit-add-to-menu') ) {
1118                      api.registerChange();
1119  
1120                      if ( e.target.id && 'submit-customlinkdiv' == e.target.id )
1121                          api.addCustomLink( api.addMenuItemToBottom );
1122                      else if ( e.target.id && -1 != e.target.id.indexOf('submit-') )
1123                          $('#' + e.target.id.replace(/submit-/, '')).addSelectedToMenu( api.addMenuItemToBottom );
1124                      return false;
1125                  }
1126              });
1127  
1128              /*
1129               * Delegate the `click` event and attach it just to the pagination
1130               * links thus excluding the current page `<span>`. See ticket #35577.
1131               */
1132              $( '#nav-menu-meta' ).on( 'click', 'a.page-numbers', function() {
1133                  var $container = $( this ).closest( '.inside' );
1134  
1135                  $.post( ajaxurl, this.href.replace( /.*\?/, '' ).replace( /action=([^&]*)/, '' ) + '&action=menu-get-metabox',
1136                      function( resp ) {
1137                          var metaBoxData = $.parseJSON( resp ),
1138                              toReplace;
1139  
1140                          if ( -1 === resp.indexOf( 'replace-id' ) ) {
1141                              return;
1142                          }
1143  
1144                          // Get the post type menu meta box to update.
1145                          toReplace = document.getElementById( metaBoxData['replace-id'] );
1146  
1147                          if ( ! metaBoxData.markup || ! toReplace ) {
1148                              return;
1149                          }
1150  
1151                          // Update the post type menu meta box with new content from the response.
1152                          $container.html( metaBoxData.markup );
1153                      }
1154                  );
1155  
1156                  return false;
1157              });
1158          },
1159  
1160          eventOnClickEditLink : function(clickedEl) {
1161              var settings, item,
1162              matchedSection = /#(.*)$/.exec(clickedEl.href);
1163              if ( matchedSection && matchedSection[1] ) {
1164                  settings = $('#'+matchedSection[1]);
1165                  item = settings.parent();
1166                  if( 0 !== item.length ) {
1167                      if( item.hasClass('menu-item-edit-inactive') ) {
1168                          if( ! settings.data('menu-item-data') ) {
1169                              settings.data( 'menu-item-data', settings.getItemData() );
1170                          }
1171                          settings.slideDown('fast');
1172                          item.removeClass('menu-item-edit-inactive')
1173                              .addClass('menu-item-edit-active');
1174                      } else {
1175                          settings.slideUp('fast');
1176                          item.removeClass('menu-item-edit-active')
1177                              .addClass('menu-item-edit-inactive');
1178                      }
1179                      return false;
1180                  }
1181              }
1182          },
1183  
1184          eventOnClickCancelLink : function(clickedEl) {
1185              var settings = $( clickedEl ).closest( '.menu-item-settings' ),
1186                  thisMenuItem = $( clickedEl ).closest( '.menu-item' );
1187              thisMenuItem.removeClass('menu-item-edit-active').addClass('menu-item-edit-inactive');
1188              settings.setItemData( settings.data('menu-item-data') ).hide();
1189              return false;
1190          },
1191  
1192          eventOnClickMenuSave : function() {
1193              var locs = '',
1194              menuName = $('#menu-name'),
1195              menuNameVal = menuName.val();
1196              // Cancel and warn if invalid menu name
1197              if ( ! menuNameVal || ! menuNameVal.replace( /\s+/, '' ) ) {
1198                  menuName.parent().addClass( 'form-invalid' );
1199                  return false;
1200              }
1201              // Copy menu theme locations
1202              $('#nav-menu-theme-locations select').each(function() {
1203                  locs += '<input type="hidden" name="' + this.name + '" value="' + $(this).val() + '" />';
1204              });
1205              $('#update-nav-menu').append( locs );
1206              // Update menu item position data
1207              api.menuList.find('.menu-item-data-position').val( function(index) { return index + 1; } );
1208              window.onbeforeunload = null;
1209  
1210              return true;
1211          },
1212  
1213          eventOnClickMenuDelete : function() {
1214              // Delete warning AYS
1215              if ( window.confirm( navMenuL10n.warnDeleteMenu ) ) {
1216                  window.onbeforeunload = null;
1217                  return true;
1218              }
1219              return false;
1220          },
1221  
1222          eventOnClickMenuItemDelete : function(clickedEl) {
1223              var itemID = parseInt(clickedEl.id.replace('delete-', ''), 10);
1224              api.removeMenuItem( $('#menu-item-' + itemID) );
1225              api.registerChange();
1226              return false;
1227          },
1228  
1229          /**
1230           * Process the quick search response into a search result
1231           *
1232           * @param string resp The server response to the query.
1233           * @param object req The request arguments.
1234           * @param jQuery panel The tabs panel we're searching in.
1235           */
1236          processQuickSearchQueryResponse : function(resp, req, panel) {
1237              var matched, newID,
1238              takenIDs = {},
1239              form = document.getElementById('nav-menu-meta'),
1240              pattern = /menu-item[(\[^]\]*/,
1241              $items = $('<div>').html(resp).find('li'),
1242              wrapper = panel.closest( '.accordion-section-content' ),
1243              selectAll = wrapper.find( '.button-controls .select-all' ),
1244              $item;
1245  
1246              if( ! $items.length ) {
1247                  $('.categorychecklist', panel).html( '<li><p>' + navMenuL10n.noResultsFound + '</p></li>' );
1248                  $( '.spinner', panel ).removeClass( 'is-active' );
1249                  wrapper.addClass( 'has-no-menu-item' );
1250                  return;
1251              }
1252  
1253              $items.each(function(){
1254                  $item = $(this);
1255  
1256                  // make a unique DB ID number
1257                  matched = pattern.exec($item.html());
1258  
1259                  if ( matched && matched[1] ) {
1260                      newID = matched[1];
1261                      while( form.elements['menu-item[' + newID + '][menu-item-type]'] || takenIDs[ newID ] ) {
1262                          newID--;
1263                      }
1264  
1265                      takenIDs[newID] = true;
1266                      if ( newID != matched[1] ) {
1267                          $item.html( $item.html().replace(new RegExp(
1268                              'menu-item\\[' + matched[1] + '\\]', 'g'),
1269                              'menu-item[' + newID + ']'
1270                          ) );
1271                      }
1272                  }
1273              });
1274  
1275              $('.categorychecklist', panel).html( $items );
1276              $( '.spinner', panel ).removeClass( 'is-active' );
1277              wrapper.removeClass( 'has-no-menu-item' );
1278  
1279              if ( selectAll.is( ':checked' ) ) {
1280                  selectAll.prop( 'checked', false );
1281              }
1282          },
1283  
1284          /**
1285           * Remove a menu item.
1286           * @param  {object} el The element to be removed as a jQuery object.
1287           *
1288           * @fires document#menu-removing-item Passes the element to be removed.
1289           */
1290          removeMenuItem : function(el) {
1291              var children = el.childMenuItems();
1292  
1293              $( document ).trigger( 'menu-removing-item', [ el ] );
1294              el.addClass('deleting').animate({
1295                      opacity : 0,
1296                      height: 0
1297                  }, 350, function() {
1298                      var ins = $('#menu-instructions');
1299                      el.remove();
1300                      children.shiftDepthClass( -1 ).updateParentMenuItemDBId();
1301                      if ( 0 === $( '#menu-to-edit li' ).length ) {
1302                          $( '.drag-instructions' ).hide();
1303                          ins.removeClass( 'menu-instructions-inactive' );
1304                      }
1305                      api.refreshAdvancedAccessibility();
1306                  });
1307          },
1308  
1309          depthToPx : function(depth) {
1310              return depth * api.options.menuItemDepthPerLevel;
1311          },
1312  
1313          pxToDepth : function(px) {
1314              return Math.floor(px / api.options.menuItemDepthPerLevel);
1315          }
1316  
1317      };
1318  
1319      $(document).ready(function(){ wpNavMenu.init(); });
1320  
1321  })(jQuery);


Generated: Fri Oct 25 08:20:01 2019 Cross-referenced by PHPXref 0.7