wp-admin/js/nav-menu.dev.js

   1 /**
   2  * WordPress Administration Navigation Menu
   3  * Interface JS functions
   4  *
   5  * @version 2.0.0
   6  *
   7  * @package WordPress
   8  * @subpackage Administration
   9  */
  10
  11 var wpNavMenu;
  12
  13 (function($) {
  14
  15         var api = wpNavMenu = {
  16
  17                 options : {
  18                         menuItemDepthPerLevel : 30, // Do not use directly. Use depthToPx and pxToDepth instead.
  19                         globalMaxDepth : 11
  20                 },
  21
  22                 menuList : undefined,   // Set in init.
  23                 targetList : undefined, // Set in init.
  24                 menusChanged : false,
  25                 isRTL: !! ( 'undefined' != typeof isRtl && isRtl ),
  26                 negateIfRTL: ( 'undefined' != typeof isRtl && isRtl ) ? -1 : 1,
  27
  28                 // Functions that run on init.
  29                 init : function() {
  30                         api.menuList = $('#menu-to-edit');
  31                         api.targetList = api.menuList;
  32
  33                         this.jQueryExtensions();
  34
  35                         this.attachMenuEditListeners();
  36
  37                         this.setupInputWithDefaultTitle();
  38                         this.attachQuickSearchListeners();
  39                         this.attachThemeLocationsListeners();
  40
  41                         this.attachTabsPanelListeners();
  42
  43                         this.attachUnsavedChangesListener();
  44
  45                         if( api.menuList.length ) // If no menu, we're in the + tab.
  46                                 this.initSortables();
  47
  48                         this.initToggles();
  49
  50                         this.initTabManager();
  51                 },
  52
  53                 jQueryExtensions : function() {
  54                         // jQuery extensions
  55                         $.fn.extend({
  56                                 menuItemDepth : function() {
  57                                         var margin = api.isRTL ? this.eq(0).css('margin-right') : this.eq(0).css('margin-left');
  58                                         return api.pxToDepth( margin && -1 != margin.indexOf('px') ? margin.slice(0, -2) : 0 );
  59                                 },
  60                                 updateDepthClass : function(current, prev) {
  61                                         return this.each(function(){
  62                                                 var t = $(this);
  63                                                 prev = prev || t.menuItemDepth();
  64                                                 $(this).removeClass('menu-item-depth-'+ prev )
  65                                                         .addClass('menu-item-depth-'+ current );
  66                                         });
  67                                 },
  68                                 shiftDepthClass : function(change) {
  69                                         return this.each(function(){
  70                                                 var t = $(this),
  71                                                         depth = t.menuItemDepth();
  72                                                 $(this).removeClass('menu-item-depth-'+ depth )
  73                                                         .addClass('menu-item-depth-'+ (depth + change) );
  74                                         });
  75                                 },
  76                                 childMenuItems : function() {
  77                                         var result = $();
  78                                         this.each(function(){
  79                                                 var t = $(this), depth = t.menuItemDepth(), next = t.next();
  80                                                 while( next.length && next.menuItemDepth() > depth ) {
  81                                                         result = result.add( next );
  82                                                         next = next.next();
  83                                                 }
  84                                         });
  85                                         return result;
  86                                 },
  87                                 updateParentMenuItemDBId : function() {
  88                                         return this.each(function(){
  89                                                 var item = $(this),
  90                                                         input = item.find('.menu-item-data-parent-id'),
  91                                                         depth = item.menuItemDepth(),
  92                                                         parent = item.prev();
  93
  94                                                 if( depth == 0 ) { // Item is on the top level, has no parent
  95                                                         input.val(0);
  96                                                 } else { // Find the parent item, and retrieve its object id.
  97                                                         while( ! parent[0] || ! parent[0].className || -1 == parent[0].className.indexOf('menu-item') || ( parent.menuItemDepth() != depth - 1 ) )
  98                                                                 parent = parent.prev();
  99                                                         input.val( parent.find('.menu-item-data-db-id').val() );
 100                                                 }
 101                                         });
 102                                 },
 103                                 hideAdvancedMenuItemFields : function() {
 104                                         return this.each(function(){
 105                                                 var that = $(this);
 106                                                 $('.hide-column-tog').not(':checked').each(function(){
 107                                                         that.find('.field-' + $(this).val() ).addClass('hidden-field');
 108                                                 });
 109                                         });
 110                                 },
 111                                 /**
 112                                  * Adds selected menu items to the menu.
 113                                  *
 114                                  * @param jQuery metabox The metabox jQuery object.
 115                                  */
 116                                 addSelectedToMenu : function(processMethod) {
 117                                         if ( 0 == $('#menu-to-edit').length ) {
 118                                                 return false;
 119                                         }
 120
 121                                         return this.each(function() {
 122                                                 var t = $(this), menuItems = {},
 123                                                         checkboxes = t.find('.tabs-panel-active .categorychecklist li input:checked'),
 124                                                         re = new RegExp('menu-item\\[(\[^\\]\]*)');
 125
 126                                                 processMethod = processMethod || api.addMenuItemToBottom;
 127
 128                                                 // If no items are checked, bail.
 129                                                 if ( !checkboxes.length )
 130                                                         return false;
 131
 132                                                 // Show the ajax spinner
 133                                                 t.find('img.waiting').show();
 134
 135                                                 // Retrieve menu item data
 136                                                 $(checkboxes).each(function(){
 137                                                         var t = $(this),
 138                                                                 listItemDBIDMatch = re.exec( t.attr('name') ),
 139                                                                 listItemDBID = 'undefined' == typeof listItemDBIDMatch[1] ? 0 : parseInt(listItemDBIDMatch[1], 10);
 140                                                         if ( this.className && -1 != this.className.indexOf('add-to-top') )
 141                                                                 processMethod = api.addMenuItemToTop;
 142                                                         menuItems[listItemDBID] = t.closest('li').getItemData( 'add-menu-item', listItemDBID );
 143                                                 });
 144
 145                                                 // Add the items
 146                                                 api.addItemToMenu(menuItems, processMethod, function(){
 147                                                         // Deselect the items and hide the ajax spinner
 148                                                         checkboxes.removeAttr('checked');
 149                                                         t.find('img.waiting').hide();
 150                                                 });
 151                                         });
 152                                 },
 153                                 getItemData : function( itemType, id ) {
 154                                         itemType = itemType || 'menu-item';
 155
 156                                         var itemData = {}, i,
 157                                         fields = [
 158                                                 'menu-item-db-id',
 159                                                 'menu-item-object-id',
 160                                                 'menu-item-object',
 161                                                 'menu-item-parent-id',
 162                                                 'menu-item-position',
 163                                                 'menu-item-type',
 164                                                 'menu-item-title',
 165                                                 'menu-item-url',
 166                                                 'menu-item-description',
 167                                                 'menu-item-attr-title',
 168                                                 'menu-item-target',
 169                                                 'menu-item-classes',
 170                                                 'menu-item-xfn'
 171                                         ];
 172
 173                                         if( !id && itemType == 'menu-item' ) {
 174                                                 id = this.find('.menu-item-data-db-id').val();
 175                                         }
 176
 177                                         if( !id ) return itemData;
 178
 179                                         this.find('input').each(function() {
 180                                                 var field;
 181                                                 i = fields.length;
 182                                                 while ( i-- ) {
 183                                                         if( itemType == 'menu-item' )
 184                                                                 field = fields[i] + '[' + id + ']';
 185                                                         else if( itemType == 'add-menu-item' )
 186                                                                 field = 'menu-item[' + id + '][' + fields[i] + ']';
 187
 188                                                         if (
 189                                                                 this.name &&
 190                                                                 field == this.name
 191                                                         ) {
 192                                                                 itemData[fields[i]] = this.value;
 193                                                         }
 194                                                 }
 195                                         });
 196
 197                                         return itemData;
 198                                 },
 199                                 setItemData : function( itemData, itemType, id ) { // Can take a type, such as 'menu-item', or an id.
 200                                         itemType = itemType || 'menu-item';
 201
 202                                         if( !id && itemType == 'menu-item' ) {
 203                                                 id = $('.menu-item-data-db-id', this).val();
 204                                         }
 205
 206                                         if( !id ) return this;
 207
 208                                         this.find('input').each(function() {
 209                                                 var t = $(this), field;
 210                                                 $.each( itemData, function( attr, val ) {
 211                                                         if( itemType == 'menu-item' )
 212                                                                 field = attr + '[' + id + ']';
 213                                                         else if( itemType == 'add-menu-item' )
 214                                                                 field = 'menu-item[' + id + '][' + attr + ']';
 215
 216                                                         if ( field == t.attr('name') ) {
 217                                                                 t.val( val );
 218                                                         }
 219                                                 });
 220                                         });
 221                                         return this;
 222                                 }
 223                         });
 224                 },
 225
 226                 initToggles : function() {
 227                         // init postboxes
 228                         postboxes.add_postbox_toggles('nav-menus');
 229
 230                         // adjust columns functions for menus UI
 231                         columns.useCheckboxesForHidden();
 232                         columns.checked = function(field) {
 233                                 $('.field-' + field).removeClass('hidden-field');
 234                         }
 235                         columns.unchecked = function(field) {
 236                                 $('.field-' + field).addClass('hidden-field');
 237                         }
 238                         // hide fields
 239                         api.menuList.hideAdvancedMenuItemFields();
 240                 },
 241
 242                 initSortables : function() {
 243                         var currentDepth = 0, originalDepth, minDepth, maxDepth,
 244                                 prev, next, prevBottom, nextThreshold, helperHeight, transport,
 245                                 menuEdge = api.menuList.offset().left,
 246                                 body = $('body'), maxChildDepth,
 247                                 menuMaxDepth = initialMenuMaxDepth();
 248
 249                         // Use the right edge if RTL.
 250                         menuEdge += api.isRTL ? api.menuList.width() : 0;
 251
 252                         api.menuList.sortable({
 253                                 handle: '.menu-item-handle',
 254                                 placeholder: 'sortable-placeholder',
 255                                 start: function(e, ui) {
 256                                         var height, width, parent, children, tempHolder;
 257
 258                                         // handle placement for rtl orientation
 259                                         if ( api.isRTL )
 260                                                 ui.item[0].style.right = 'auto';
 261
 262                                         transport = ui.item.children('.menu-item-transport');
 263
 264                                         // Set depths. currentDepth must be set before children are located.
 265                                         originalDepth = ui.item.menuItemDepth();
 266                                         updateCurrentDepth(ui, originalDepth);
 267
 268                                         // Attach child elements to parent
 269                                         // Skip the placeholder
 270                                         parent = ( ui.item.next()[0] == ui.placeholder[0] ) ? ui.item.next() : ui.item;
 271                                         children = parent.childMenuItems();
 272                                         transport.append( children );
 273
 274                                         // Update the height of the placeholder to match the moving item.
 275                                         height = transport.outerHeight();
 276                                         // If there are children, account for distance between top of children and parent
 277                                         height += ( height > 0 ) ? (ui.placeholder.css('margin-top').slice(0, -2) * 1) : 0;
 278                                         height += ui.helper.outerHeight();
 279                                         helperHeight = height;
 280                                         height -= 2; // Subtract 2 for borders
 281                                         ui.placeholder.height(height);
 282
 283                                         // Update the width of the placeholder to match the moving item.
 284                                         maxChildDepth = originalDepth;
 285                                         children.each(function(){
 286                                                 var depth = $(this).menuItemDepth();
 287                                                 maxChildDepth = (depth > maxChildDepth) ? depth : maxChildDepth;
 288                                         });
 289                                         width = ui.helper.find('.menu-item-handle').outerWidth(); // Get original width
 290                                         width += api.depthToPx(maxChildDepth - originalDepth); // Account for children
 291                                         width -= 2; // Subtract 2 for borders
 292                                         ui.placeholder.width(width);
 293
 294                                         // Update the list of menu items.
 295                                         tempHolder = ui.placeholder.next();
 296                                         tempHolder.css( 'margin-top', helperHeight + 'px' ); // Set the margin to absorb the placeholder
 297                                         ui.placeholder.detach(); // detach or jQuery UI will think the placeholder is a menu item
 298                                         $(this).sortable( "refresh" ); // The children aren't sortable. We should let jQ UI know.
 299                                         ui.item.after( ui.placeholder ); // reattach the placeholder.
 300                                         tempHolder.css('margin-top', 0); // reset the margin
 301
 302                                         // Now that the element is complete, we can update...
 303                                         updateSharedVars(ui);
 304                                 },
 305                                 stop: function(e, ui) {
 306                                         var children, depthChange = currentDepth - originalDepth;
 307
 308                                         // Return child elements to the list
 309                                         children = transport.children().insertAfter(ui.item);
 310
 311                                         // Update depth classes
 312                                         if( depthChange != 0 ) {
 313                                                 ui.item.updateDepthClass( currentDepth );
 314                                                 children.shiftDepthClass( depthChange );
 315                                                 updateMenuMaxDepth( depthChange );
 316                                         }
 317                                         // Register a change
 318                                         api.registerChange();
 319                                         // Update the item data.
 320                                         ui.item.updateParentMenuItemDBId();
 321
 322                                         // address sortable's incorrectly-calculated top in opera
 323                                         ui.item[0].style.top = 0;
 324
 325                                         // handle drop placement for rtl orientation
 326                                         if ( api.isRTL ) {
 327                                                 ui.item[0].style.left = 'auto';
 328                                                 ui.item[0].style.right = 0;
 329                                         }
 330
 331                                         // The width of the tab bar might have changed. Just in case.
 332                                         api.refreshMenuTabs( true );
 333                                 },
 334                                 change: function(e, ui) {
 335                                         // Make sure the placeholder is inside the menu.
 336                                         // Otherwise fix it, or we're in trouble.
 337                                         if( ! ui.placeholder.parent().hasClass('menu') )
 338                                                 (prev.length) ? prev.after( ui.placeholder ) : api.menuList.prepend( ui.placeholder );
 339
 340                                         updateSharedVars(ui);
 341                                 },
 342                                 sort: function(e, ui) {
 343                                         var offset = ui.helper.offset(),
 344                                                 edge = api.isRTL ? offset.left + ui.helper.width() : offset.left,
 345                                                 depth = api.negateIfRTL * api.pxToDepth( edge - menuEdge );
 346                                         // Check and correct if depth is not within range.
 347                                         // Also, if the dragged element is dragged upwards over
 348                                         // an item, shift the placeholder to a child position.
 349                                         if ( depth > maxDepth || offset.top < prevBottom ) depth = maxDepth;
 350                                         else if ( depth < minDepth ) depth = minDepth;
 351
 352                                         if( depth != currentDepth )
 353                                                 updateCurrentDepth(ui, depth);
 354
 355                                         // If we overlap the next element, manually shift downwards
 356                                         if( nextThreshold && offset.top + helperHeight > nextThreshold ) {
 357                                                 next.after( ui.placeholder );
 358                                                 updateSharedVars( ui );
 359                                                 $(this).sortable( "refreshPositions" );
 360                                         }
 361                                 }
 362                         });
 363
 364                         function updateSharedVars(ui) {
 365                                 var depth;
 366
 367                                 prev = ui.placeholder.prev();
 368                                 next = ui.placeholder.next();
 369
 370                                 // Make sure we don't select the moving item.
 371                                 if( prev[0] == ui.item[0] ) prev = prev.prev();
 372                                 if( next[0] == ui.item[0] ) next = next.next();
 373
 374                                 prevBottom = (prev.length) ? prev.offset().top + prev.height() : 0;
 375                                 nextThreshold = (next.length) ? next.offset().top + next.height() / 3 : 0;
 376                                 minDepth = (next.length) ? next.menuItemDepth() : 0;
 377
 378                                 if( prev.length )
 379                                         maxDepth = ( (depth = prev.menuItemDepth() + 1) > api.options.globalMaxDepth ) ? api.options.globalMaxDepth : depth;
 380                                 else
 381                                         maxDepth = 0;
 382                         }
 383
 384                         function updateCurrentDepth(ui, depth) {
 385                                 ui.placeholder.updateDepthClass( depth, currentDepth );
 386                                 currentDepth = depth;
 387                         }
 388
 389                         function initialMenuMaxDepth() {
 390                                 if( ! body[0].className ) return 0;
 391                                 var match = body[0].className.match(/menu-max-depth-(\d+)/);
 392                                 return match && match[1] ? parseInt(match[1]) : 0;
 393                         }
 394
 395                         function updateMenuMaxDepth( depthChange ) {
 396                                 var depth, newDepth = menuMaxDepth;
 397                                 if ( depthChange === 0 ) {
 398                                         return;
 399                                 } else if ( depthChange > 0 ) {
 400                                         depth = maxChildDepth + depthChange;
 401                                         if( depth > menuMaxDepth )
 402                                                 newDepth = depth;
 403                                 } else if ( depthChange < 0 && maxChildDepth == menuMaxDepth ) {
 404                                         while( ! $('.menu-item-depth-' + newDepth, api.menuList).length && newDepth > 0 )
 405                                                 newDepth--;
 406                                 }
 407                                 // Update the depth class.
 408                                 body.removeClass( 'menu-max-depth-' + menuMaxDepth ).addClass( 'menu-max-depth-' + newDepth );
 409                                 menuMaxDepth = newDepth;
 410                         }
 411                 },
 412
 413                 attachMenuEditListeners : function() {
 414                         var that = this;
 415                         $('#update-nav-menu').bind('click', function(e) {
 416                                 if ( e.target && e.target.className ) {
 417                                         if ( -1 != e.target.className.indexOf('item-edit') ) {
 418                                                 return that.eventOnClickEditLink(e.target);
 419                                         } else if ( -1 != e.target.className.indexOf('menu-save') ) {
 420                                                 return that.eventOnClickMenuSave(e.target);
 421                                         } else if ( -1 != e.target.className.indexOf('menu-delete') ) {
 422                                                 return that.eventOnClickMenuDelete(e.target);
 423                                         } else if ( -1 != e.target.className.indexOf('item-delete') ) {
 424                                                 return that.eventOnClickMenuItemDelete(e.target);
 425                                         } else if ( -1 != e.target.className.indexOf('item-cancel') ) {
 426                                                 return that.eventOnClickCancelLink(e.target);
 427                                         }
 428                                 }
 429                         });
 430                 },
 431
 432                 /**
 433                  * An interface for managing default values for input elements
 434                  * that is both JS and accessibility-friendly.
 435                  *
 436                  * Input elements that add the class 'input-with-default-title'
 437                  * will have their values set to the provided HTML title when empty.
 438                  */
 439                 setupInputWithDefaultTitle : function() {
 440                         var name = 'input-with-default-title';
 441
 442                         $('.' + name).each( function(){
 443                                 var $t = $(this), title = $t.attr('title'), val = $t.val();
 444                                 $t.data( name, title );
 445
 446                                 if( '' == val ) $t.val( title );
 447                                 else if ( title == val ) return;
 448                                 else $t.removeClass( name );
 449                         }).focus( function(){
 450                                 var $t = $(this);
 451                                 if( $t.val() == $t.data(name) )
 452                                         $t.val('').removeClass( name );
 453                         }).blur( function(){
 454                                 var $t = $(this);
 455                                 if( '' == $t.val() )
 456                                         $t.addClass( name ).val( $t.data(name) );
 457                         });
 458                 },
 459
 460                 attachThemeLocationsListeners : function() {
 461                         var loc = $('#nav-menu-theme-locations'), params = {};
 462                         params['action'] = 'menu-locations-save';
 463                         params['menu-settings-column-nonce'] = $('#menu-settings-column-nonce').val();
 464                         loc.find('input[type="submit"]').click(function() {
 465                                 loc.find('select').each(function() {
 466                                         params[this.name] = $(this).val();
 467                                 });
 468                                 loc.find('.waiting').show();
 469                                 $.post( ajaxurl, params, function(r) {
 470                                         loc.find('.waiting').hide();
 471                                 });
 472                                 return false;
 473                         });
 474                 },
 475
 476                 attachQuickSearchListeners : function() {
 477                         var searchTimer;
 478
 479                         $('.quick-search').keypress(function(e){
 480                                 var t = $(this);
 481
 482                                 if( 13 == e.which ) {
 483                                         api.updateQuickSearchResults( t );
 484                                         return false;
 485                                 }
 486
 487                                 if( searchTimer ) clearTimeout(searchTimer);
 488
 489                                 searchTimer = setTimeout(function(){
 490                                         api.updateQuickSearchResults( t );
 491                                 }, 400);
 492                         }).attr('autocomplete','off');
 493                 },
 494
 495                 updateQuickSearchResults : function(input) {
 496                         var panel, params,
 497                         minSearchLength = 2,
 498                         q = input.val();
 499
 500                         if( q.length < minSearchLength ) return;
 501
 502                         panel = input.parents('.tabs-panel');
 503                         params = {
 504                                 'action': 'menu-quick-search',
 505                                 'response-format': 'markup',
 506                                 'menu': $('#menu').val(),
 507                                 'menu-settings-column-nonce': $('#menu-settings-column-nonce').val(),
 508                                 'q': q,
 509                                 'type': input.attr('name')
 510                         };
 511
 512                         $('img.waiting', panel).show();
 513
 514                         $.post( ajaxurl, params, function(menuMarkup) {
 515                                 api.processQuickSearchQueryResponse(menuMarkup, params, panel);
 516                         });
 517                 },
 518
 519                 addCustomLink : function( processMethod ) {
 520                         var url = $('#custom-menu-item-url').val(),
 521                                 label = $('#custom-menu-item-name').val();
 522
 523                         processMethod = processMethod || api.addMenuItemToBottom;
 524
 525                         if ( '' == url || 'http://' == url )
 526                                 return false;
 527
 528                         // Show the ajax spinner
 529                         $('.customlinkdiv img.waiting').show();
 530                         this.addLinkToMenu( url, label, processMethod, function() {
 531                                 // Remove the ajax spinner
 532                                 $('.customlinkdiv img.waiting').hide();
 533                                 // Set custom link form back to defaults
 534                                 $('#custom-menu-item-name').val('').blur();
 535                                 $('#custom-menu-item-url').val('http://');
 536                         });
 537                 },
 538
 539                 addLinkToMenu : function(url, label, processMethod, callback) {
 540                         processMethod = processMethod || api.addMenuItemToBottom;
 541                         callback = callback || function(){};
 542
 543                         api.addItemToMenu({
 544                                 '-1': {
 545                                         'menu-item-type': 'custom',
 546                                         'menu-item-url': url,
 547                                         'menu-item-title': label
 548                                 }
 549                         }, processMethod, callback);
 550                 },
 551
 552                 addItemToMenu : function(menuItem, processMethod, callback) {
 553                         var menu = $('#menu').val(),
 554                                 nonce = $('#menu-settings-column-nonce').val();
 555
 556                         processMethod = processMethod || function(){};
 557                         callback = callback || function(){};
 558
 559                         params = {
 560                                 'action': 'add-menu-item',
 561                                 'menu': menu,
 562                                 'menu-settings-column-nonce': nonce,
 563                                 'menu-item': menuItem
 564                         };
 565
 566                         $.post( ajaxurl, params, function(menuMarkup) {
 567                                 var ins = $('#menu-instructions');
 568                                 processMethod(menuMarkup, params);
 569                                 if( ! ins.hasClass('menu-instructions-inactive') && ins.siblings().length )
 570                                         ins.addClass('menu-instructions-inactive');
 571                                 callback();
 572                         });
 573                 },
 574
 575                 /**
 576                  * Process the add menu item request response into menu list item.
 577                  *
 578                  * @param string menuMarkup The text server response of menu item markup.
 579                  * @param object req The request arguments.
 580                  */
 581                 addMenuItemToBottom : function( menuMarkup, req ) {
 582                         $(menuMarkup).hideAdvancedMenuItemFields().appendTo( api.targetList );
 583                 },
 584
 585                 addMenuItemToTop : function( menuMarkup, req ) {
 586                         $(menuMarkup).hideAdvancedMenuItemFields().prependTo( api.targetList );
 587                 },
 588
 589                 attachUnsavedChangesListener : function() {
 590                         $('#menu-management input, #menu-management select, #menu-management, #menu-management textarea').change(function(){
 591                                 api.registerChange();
 592                         });
 593
 594                         if ( 0 != $('#menu-to-edit').length ) {
 595                                 window.onbeforeunload = function(){
 596                                         if ( api.menusChanged )
 597                                                 return navMenuL10n.saveAlert;
 598                                 };
 599                         } else {
 600                                 // Make the post boxes read-only, as they can't be used yet
 601                                 $('#menu-settings-column').find('input,select').prop('disabled', true).end().find('a').attr('href', '#').unbind('click');
 602                         }
 603                 },
 604
 605                 registerChange : function() {
 606                         api.menusChanged = true;
 607                 },
 608
 609                 attachTabsPanelListeners : function() {
 610                         $('#menu-settings-column').bind('click', function(e) {
 611                                 var selectAreaMatch, panelId, wrapper, items,
 612                                         target = $(e.target);
 613
 614                                 if ( target.hasClass('nav-tab-link') ) {
 615                                         panelId = /#(.*)$/.exec(e.target.href);
 616                                         if ( panelId && panelId[1] )
 617                                                 panelId = panelId[1]
 618                                         else
 619                                                 return false;
 620
 621                                         wrapper = target.parents('.inside').first();
 622
 623                                         // upon changing tabs, we want to uncheck all checkboxes
 624                                         $('input', wrapper).removeAttr('checked');
 625
 626                                         $('.tabs-panel-active', wrapper).removeClass('tabs-panel-active').addClass('tabs-panel-inactive');
 627                                         $('#' + panelId, wrapper).removeClass('tabs-panel-inactive').addClass('tabs-panel-active');
 628
 629                                         $('.tabs', wrapper).removeClass('tabs');
 630                                         target.parent().addClass('tabs');
 631
 632                                         // select the search bar
 633                                         $('.quick-search', wrapper).focus();
 634
 635                                         return false;
 636                                 } else if ( target.hasClass('select-all') ) {
 637                                         selectAreaMatch = /#(.*)$/.exec(e.target.href);
 638                                         if ( selectAreaMatch && selectAreaMatch[1] ) {
 639                                                 items = $('#' + selectAreaMatch[1] + ' .tabs-panel-active .menu-item-title input');
 640                                                 if( items.length === items.filter(':checked').length )
 641                                                         items.removeAttr('checked');
 642                                                 else
 643                                                         items.prop('checked', true);
 644                                                 return false;
 645                                         }
 646                                 } else if ( target.hasClass('submit-add-to-menu') ) {
 647                                         api.registerChange();
 648
 649                                         if ( e.target.id && 'submit-customlinkdiv' == e.target.id )
 650                                                 api.addCustomLink( api.addMenuItemToBottom );
 651                                         else if ( e.target.id && -1 != e.target.id.indexOf('submit-') )
 652                                                 $('#' + e.target.id.replace(/submit-/, '')).addSelectedToMenu( api.addMenuItemToBottom );
 653                                         return false;
 654                                 } else if ( target.hasClass('page-numbers') ) {
 655                                         $.post( ajaxurl, e.target.href.replace(/.*\?/, '').replace(/action=([^&]*)/, '') + '&action=menu-get-metabox',
 656                                                 function( resp ) {
 657                                                         if ( -1 == resp.indexOf('replace-id') )
 658                                                                 return;
 659
 660                                                         var metaBoxData = $.parseJSON(resp),
 661                                                         toReplace = document.getElementById(metaBoxData['replace-id']),
 662                                                         placeholder = document.createElement('div'),
 663                                                         wrap = document.createElement('div');
 664
 665                                                         if ( ! metaBoxData['markup'] || ! toReplace )
 666                                                                 return;
 667
 668                                                         wrap.innerHTML = metaBoxData['markup'] ? metaBoxData['markup'] : '';
 669
 670                                                         toReplace.parentNode.insertBefore( placeholder, toReplace );
 671                                                         placeholder.parentNode.removeChild( toReplace );
 672
 673                                                         placeholder.parentNode.insertBefore( wrap, placeholder );
 674
 675                                                         placeholder.parentNode.removeChild( placeholder );
 676
 677                                                 }
 678                                         );
 679
 680                                         return false;
 681                                 }
 682                         });
 683                 },
 684
 685                 initTabManager : function() {
 686                         var fixed = $('.nav-tabs-wrapper'),
 687                                 fluid = fixed.children('.nav-tabs'),
 688                                 active = fluid.children('.nav-tab-active'),
 689                                 tabs = fluid.children('.nav-tab'),
 690                                 tabsWidth = 0,
 691                                 fixedRight, fixedLeft,
 692                                 arrowLeft, arrowRight, resizeTimer, css = {},
 693                                 marginFluid = api.isRTL ? 'margin-right' : 'margin-left',
 694                                 marginFixed = api.isRTL ? 'margin-left' : 'margin-right',
 695                                 msPerPx = 2;
 696
 697                         /**
 698                          * Refreshes the menu tabs.
 699                          * Will show and hide arrows where necessary.
 700                          * Scrolls to the active tab by default.
 701                          *
 702                          * @param savePosition {boolean} Optional. Prevents scrolling so
 703                          *                that the current position is maintained. Default false.
 704                          **/
 705                         api.refreshMenuTabs = function( savePosition ) {
 706                                 var fixedWidth = fixed.width(),
 707                                         margin = 0, css = {};
 708                                 fixedLeft = fixed.offset().left;
 709                                 fixedRight = fixedLeft + fixedWidth;
 710
 711                                 if( !savePosition )
 712                                         active.makeTabVisible();
 713
 714                                 // Prevent space from building up next to the last tab if there's more to show
 715                                 if( tabs.last().isTabVisible() ) {
 716                                         margin = fixed.width() - tabsWidth;
 717                                         margin = margin > 0 ? 0 : margin;
 718                                         css[marginFluid] = margin + 'px';
 719                                         fluid.animate( css, 100, "linear" );
 720                                 }
 721
 722                                 // Show the arrows only when necessary
 723                                 if( fixedWidth > tabsWidth )
 724                                         arrowLeft.add( arrowRight ).hide();
 725                                 else
 726                                         arrowLeft.add( arrowRight ).show();
 727                         }
 728
 729                         $.fn.extend({
 730                                 makeTabVisible : function() {
 731                                         var t = this.eq(0), left, right, css = {}, shift = 0;
 732
 733                                         if( ! t.length ) return this;
 734
 735                                         left = t.offset().left;
 736                                         right = left + t.outerWidth();
 737
 738                                         if( right > fixedRight )
 739                                                 shift = fixedRight - right;
 740                                         else if ( left < fixedLeft )
 741                                                 shift = fixedLeft - left;
 742
 743                                         if( ! shift ) return this;
 744
 745                                         css[marginFluid] = "+=" + api.negateIfRTL * shift + 'px';
 746                                         fluid.animate( css, Math.abs( shift ) * msPerPx, "linear" );
 747                                         return this;
 748                                 },
 749                                 isTabVisible : function() {
 750                                         var t = this.eq(0),
 751                                                 left = t.offset().left,
 752                                                 right = left + t.outerWidth();
 753                                         return ( right <= fixedRight && left >= fixedLeft ) ? true : false;
 754                                 }
 755                         });
 756
 757                         // Find the width of all tabs
 758                         tabs.each(function(){
 759                                 tabsWidth += $(this).outerWidth(true);
 760                         });
 761
 762                         // Set up fixed margin for overflow, unset padding
 763                         css['padding'] = 0;
 764                         css[marginFixed] = (-1 * tabsWidth) + 'px';
 765                         fluid.css( css );
 766
 767                         // Build tab navigation
 768                         arrowLeft = $('<div class="nav-tabs-arrow nav-tabs-arrow-left"><a>&laquo;</a></div>');
 769                         arrowRight = $('<div class="nav-tabs-arrow nav-tabs-arrow-right"><a>&raquo;</a></div>');
 770                         // Attach to the document
 771                         fixed.wrap('<div class="nav-tabs-nav"/>').parent().prepend( arrowLeft ).append( arrowRight );
 772
 773                         // Set the menu tabs
 774                         api.refreshMenuTabs();
 775                         // Make sure the tabs reset on resize
 776                         $(window).resize(function() {
 777                                 if( resizeTimer ) clearTimeout(resizeTimer);
 778                                 resizeTimer = setTimeout( api.refreshMenuTabs, 200);
 779                         });
 780
 781                         // Build arrow functions
 782                         $.each([{
 783                                         arrow : arrowLeft,
 784                                         next : "next",
 785                                         last : "first",
 786                                         operator : "+="
 787                                 },{
 788                                         arrow : arrowRight,
 789                                         next : "prev",
 790                                         last : "last",
 791                                         operator : "-="
 792                                 }], function(){
 793                                 var that = this;
 794                                 this.arrow.mousedown(function(){
 795                                         var marginFluidVal = Math.abs( parseInt( fluid.css(marginFluid) ) ),
 796                                                 shift = marginFluidVal,
 797                                                 css = {};
 798
 799                                         if( "-=" == that.operator )
 800                                                 shift = Math.abs( tabsWidth - fixed.width() ) - marginFluidVal;
 801
 802                                         if( ! shift ) return;
 803
 804                                         css[marginFluid] = that.operator + shift + 'px';
 805                                         fluid.animate( css, shift * msPerPx, "linear" );
 806                                 }).mouseup(function(){
 807                                         var tab, next;
 808                                         fluid.stop(true);
 809                                         tab = tabs[that.last]();
 810                                         while( (next = tab[that.next]()) && next.length && ! next.isTabVisible() ) {
 811                                                 tab = next;
 812                                         }
 813                                         tab.makeTabVisible();
 814                                 });
 815                         });
 816                 },
 817
 818                 eventOnClickEditLink : function(clickedEl) {
 819                         var settings, item,
 820                         matchedSection = /#(.*)$/.exec(clickedEl.href);
 821                         if ( matchedSection && matchedSection[1] ) {
 822                                 settings = $('#'+matchedSection[1]);
 823                                 item = settings.parent();
 824                                 if( 0 != item.length ) {
 825                                         if( item.hasClass('menu-item-edit-inactive') ) {
 826                                                 if( ! settings.data('menu-item-data') ) {
 827                                                         settings.data( 'menu-item-data', settings.getItemData() );
 828                                                 }
 829                                                 settings.slideDown('fast');
 830                                                 item.removeClass('menu-item-edit-inactive')
 831                                                         .addClass('menu-item-edit-active');
 832                                         } else {
 833                                                 settings.slideUp('fast');
 834                                                 item.removeClass('menu-item-edit-active')
 835                                                         .addClass('menu-item-edit-inactive');
 836                                         }
 837                                         return false;
 838                                 }
 839                         }
 840                 },
 841
 842                 eventOnClickCancelLink : function(clickedEl) {
 843                         var settings = $(clickedEl).closest('.menu-item-settings');
 844                         settings.setItemData( settings.data('menu-item-data') );
 845                         return false;
 846                 },
 847
 848                 eventOnClickMenuSave : function(clickedEl) {
 849                         var locs = '',
 850                         menuName = $('#menu-name'),
 851                         menuNameVal = menuName.val();
 852                         // Cancel and warn if invalid menu name
 853                         if( !menuNameVal || menuNameVal == menuName.attr('title') || !menuNameVal.replace(/\s+/, '') ) {
 854                                 menuName.parent().addClass('form-invalid');
 855                                 return false;
 856                         }
 857                         // Copy menu theme locations
 858                         $('#nav-menu-theme-locations select').each(function() {
 859                                 locs += '<input type="hidden" name="' + this.name + '" value="' + $(this).val() + '" />';
 860                         });
 861                         $('#update-nav-menu').append( locs );
 862                         // Update menu item position data
 863                         api.menuList.find('.menu-item-data-position').val( function(index) { return index + 1; } );
 864                         window.onbeforeunload = null;
 865
 866                         return true;
 867                 },
 868
 869                 eventOnClickMenuDelete : function(clickedEl) {
 870                         // Delete warning AYS
 871                         if ( confirm( navMenuL10n.warnDeleteMenu ) ) {
 872                                 window.onbeforeunload = null;
 873                                 return true;
 874                         }
 875                         return false;
 876                 },
 877
 878                 eventOnClickMenuItemDelete : function(clickedEl) {
 879                         var itemID = parseInt(clickedEl.id.replace('delete-', ''), 10);
 880                         api.removeMenuItem( $('#menu-item-' + itemID) );
 881                         api.registerChange();
 882                         return false;
 883                 },
 884
 885                 /**
 886                  * Process the quick search response into a search result
 887                  *
 888                  * @param string resp The server response to the query.
 889                  * @param object req The request arguments.
 890                  * @param jQuery panel The tabs panel we're searching in.
 891                  */
 892                 processQuickSearchQueryResponse : function(resp, req, panel) {
 893                         var matched, newID,
 894                         takenIDs = {},
 895                         form = document.getElementById('nav-menu-meta'),
 896                         pattern = new RegExp('menu-item\\[(\[^\\]\]*)', 'g'),
 897                         $items = $('<div>').html(resp).find('li'),
 898                         $item;
 899
 900                         if( ! $items.length ) {
 901                                 $('.categorychecklist', panel).html( '<li><p>' + navMenuL10n.noResultsFound + '</p></li>' );
 902                                 $('img.waiting', panel).hide();
 903                                 return;
 904                         }
 905
 906                         $items.each(function(){
 907                                 $item = $(this);
 908
 909                                 // make a unique DB ID number
 910                                 matched = pattern.exec($item.html());
 911
 912                                 if ( matched && matched[1] ) {
 913                                         newID = matched[1];
 914                                         while( form.elements['menu-item[' + newID + '][menu-item-type]'] || takenIDs[ newID ] ) {
 915                                                 newID--;
 916                                         }
 917
 918                                         takenIDs[newID] = true;
 919                                         if ( newID != matched[1] ) {
 920                                                 $item.html( $item.html().replace(new RegExp(
 921                                                         'menu-item\\[' + matched[1] + '\\]', 'g'),
 922                                                         'menu-item[' + newID + ']'
 923                                                 ) );
 924                                         }
 925                                 }
 926                         });
 927
 928                         $('.categorychecklist', panel).html( $items );
 929                         $('img.waiting', panel).hide();
 930                 },
 931
 932                 removeMenuItem : function(el) {
 933                         var children = el.childMenuItems();
 934
 935                         el.addClass('deleting').animate({
 936                                         opacity : 0,
 937                                         height: 0
 938                                 }, 350, function() {
 939                                         var ins = $('#menu-instructions');
 940                                         el.remove();
 941                                         children.shiftDepthClass(-1).updateParentMenuItemDBId();
 942                                         if( ! ins.siblings().length )
 943                                                 ins.removeClass('menu-instructions-inactive');
 944                                 });
 945                 },
 946
 947                 depthToPx : function(depth) {
 948                         return depth * api.options.menuItemDepthPerLevel;
 949                 },
 950
 951                 pxToDepth : function(px) {
 952                         return Math.floor(px / api.options.menuItemDepthPerLevel);
 953                 }
 954
 955         };
 956
 957         $(document).ready(function(){ wpNavMenu.init(); });
 958
 959 })(jQuery);