wp/wp-admin/js/nav-menu.js
changeset 0 d970ebf37754
child 5 5e2f62d02dcd
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-1:000000000000 0:d970ebf37754
       
     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 )
       
    46 				this.initSortables();
       
    47 
       
    48 			if ( menus.oneThemeLocationNoMenus )
       
    49 				$( '#posttype-page' ).addSelectedToMenu( api.addMenuItemToBottom );
       
    50 
       
    51 			this.initManageLocations();
       
    52 
       
    53 			this.initAccessibility();
       
    54 
       
    55 			this.initToggles();
       
    56 		},
       
    57 
       
    58 		jQueryExtensions : function() {
       
    59 			// jQuery extensions
       
    60 			$.fn.extend({
       
    61 				menuItemDepth : function() {
       
    62 					var margin = api.isRTL ? this.eq(0).css('margin-right') : this.eq(0).css('margin-left');
       
    63 					return api.pxToDepth( margin && -1 != margin.indexOf('px') ? margin.slice(0, -2) : 0 );
       
    64 				},
       
    65 				updateDepthClass : function(current, prev) {
       
    66 					return this.each(function(){
       
    67 						var t = $(this);
       
    68 						prev = prev || t.menuItemDepth();
       
    69 						$(this).removeClass('menu-item-depth-'+ prev )
       
    70 							.addClass('menu-item-depth-'+ current );
       
    71 					});
       
    72 				},
       
    73 				shiftDepthClass : function(change) {
       
    74 					return this.each(function(){
       
    75 						var t = $(this),
       
    76 							depth = t.menuItemDepth();
       
    77 						$(this).removeClass('menu-item-depth-'+ depth )
       
    78 							.addClass('menu-item-depth-'+ (depth + change) );
       
    79 					});
       
    80 				},
       
    81 				childMenuItems : function() {
       
    82 					var result = $();
       
    83 					this.each(function(){
       
    84 						var t = $(this), depth = t.menuItemDepth(), next = t.next();
       
    85 						while( next.length && next.menuItemDepth() > depth ) {
       
    86 							result = result.add( next );
       
    87 							next = next.next();
       
    88 						}
       
    89 					});
       
    90 					return result;
       
    91 				},
       
    92 				shiftHorizontally : function( dir ) {
       
    93 					return this.each(function(){
       
    94 						var t = $(this),
       
    95 							depth = t.menuItemDepth(),
       
    96 							newDepth = depth + dir;
       
    97 
       
    98 						// Change .menu-item-depth-n class
       
    99 						t.moveHorizontally( newDepth, depth );
       
   100 					});
       
   101 				},
       
   102 				moveHorizontally : function( newDepth, depth ) {
       
   103 					return this.each(function(){
       
   104 						var t = $(this),
       
   105 							children = t.childMenuItems(),
       
   106 							diff = newDepth - depth,
       
   107 							subItemText = t.find('.is-submenu');
       
   108 
       
   109 						// Change .menu-item-depth-n class
       
   110 						t.updateDepthClass( newDepth, depth ).updateParentMenuItemDBId();
       
   111 
       
   112 						// If it has children, move those too
       
   113 						if ( children ) {
       
   114 							children.each(function( index ) {
       
   115 								var t = $(this),
       
   116 									thisDepth = t.menuItemDepth(),
       
   117 									newDepth = thisDepth + diff;
       
   118 								t.updateDepthClass(newDepth, thisDepth).updateParentMenuItemDBId();
       
   119 							});
       
   120 						}
       
   121 
       
   122 						// Show "Sub item" helper text
       
   123 						if (0 === newDepth)
       
   124 							subItemText.hide();
       
   125 						else
       
   126 							subItemText.show();
       
   127 					});
       
   128 				},
       
   129 				updateParentMenuItemDBId : function() {
       
   130 					return this.each(function(){
       
   131 						var item = $(this),
       
   132 							input = item.find( '.menu-item-data-parent-id' ),
       
   133 							depth = parseInt( item.menuItemDepth() ),
       
   134 							parentDepth = depth - 1,
       
   135 							parent = item.prevAll( '.menu-item-depth-' + parentDepth ).first();
       
   136 
       
   137 						if ( 0 == depth ) { // Item is on the top level, has no parent
       
   138 							input.val(0);
       
   139 						} else { // Find the parent item, and retrieve its object id.
       
   140 							input.val( parent.find( '.menu-item-data-db-id' ).val() );
       
   141 						}
       
   142 					});
       
   143 				},
       
   144 				hideAdvancedMenuItemFields : function() {
       
   145 					return this.each(function(){
       
   146 						var that = $(this);
       
   147 						$('.hide-column-tog').not(':checked').each(function(){
       
   148 							that.find('.field-' + $(this).val() ).addClass('hidden-field');
       
   149 						});
       
   150 					});
       
   151 				},
       
   152 				/**
       
   153 				 * Adds selected menu items to the menu.
       
   154 				 *
       
   155 				 * @param jQuery metabox The metabox jQuery object.
       
   156 				 */
       
   157 				addSelectedToMenu : function(processMethod) {
       
   158 					if ( 0 == $('#menu-to-edit').length ) {
       
   159 						return false;
       
   160 					}
       
   161 
       
   162 					return this.each(function() {
       
   163 						var t = $(this), menuItems = {},
       
   164 							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'),
       
   165 							re = new RegExp('menu-item\\[(\[^\\]\]*)');
       
   166 
       
   167 						processMethod = processMethod || api.addMenuItemToBottom;
       
   168 
       
   169 						// If no items are checked, bail.
       
   170 						if ( !checkboxes.length )
       
   171 							return false;
       
   172 
       
   173 						// Show the ajax spinner
       
   174 						t.find('.spinner').show();
       
   175 
       
   176 						// Retrieve menu item data
       
   177 						$(checkboxes).each(function(){
       
   178 							var t = $(this),
       
   179 								listItemDBIDMatch = re.exec( t.attr('name') ),
       
   180 								listItemDBID = 'undefined' == typeof listItemDBIDMatch[1] ? 0 : parseInt(listItemDBIDMatch[1], 10);
       
   181 
       
   182 							if ( this.className && -1 != this.className.indexOf('add-to-top') )
       
   183 								processMethod = api.addMenuItemToTop;
       
   184 							menuItems[listItemDBID] = t.closest('li').getItemData( 'add-menu-item', listItemDBID );
       
   185 						});
       
   186 
       
   187 						// Add the items
       
   188 						api.addItemToMenu(menuItems, processMethod, function(){
       
   189 							// Deselect the items and hide the ajax spinner
       
   190 							checkboxes.removeAttr('checked');
       
   191 							t.find('.spinner').hide();
       
   192 						});
       
   193 					});
       
   194 				},
       
   195 				getItemData : function( itemType, id ) {
       
   196 					itemType = itemType || 'menu-item';
       
   197 
       
   198 					var itemData = {}, i,
       
   199 					fields = [
       
   200 						'menu-item-db-id',
       
   201 						'menu-item-object-id',
       
   202 						'menu-item-object',
       
   203 						'menu-item-parent-id',
       
   204 						'menu-item-position',
       
   205 						'menu-item-type',
       
   206 						'menu-item-title',
       
   207 						'menu-item-url',
       
   208 						'menu-item-description',
       
   209 						'menu-item-attr-title',
       
   210 						'menu-item-target',
       
   211 						'menu-item-classes',
       
   212 						'menu-item-xfn'
       
   213 					];
       
   214 
       
   215 					if( !id && itemType == 'menu-item' ) {
       
   216 						id = this.find('.menu-item-data-db-id').val();
       
   217 					}
       
   218 
       
   219 					if( !id ) return itemData;
       
   220 
       
   221 					this.find('input').each(function() {
       
   222 						var field;
       
   223 						i = fields.length;
       
   224 						while ( i-- ) {
       
   225 							if( itemType == 'menu-item' )
       
   226 								field = fields[i] + '[' + id + ']';
       
   227 							else if( itemType == 'add-menu-item' )
       
   228 								field = 'menu-item[' + id + '][' + fields[i] + ']';
       
   229 
       
   230 							if (
       
   231 								this.name &&
       
   232 								field == this.name
       
   233 							) {
       
   234 								itemData[fields[i]] = this.value;
       
   235 							}
       
   236 						}
       
   237 					});
       
   238 
       
   239 					return itemData;
       
   240 				},
       
   241 				setItemData : function( itemData, itemType, id ) { // Can take a type, such as 'menu-item', or an id.
       
   242 					itemType = itemType || 'menu-item';
       
   243 
       
   244 					if( !id && itemType == 'menu-item' ) {
       
   245 						id = $('.menu-item-data-db-id', this).val();
       
   246 					}
       
   247 
       
   248 					if( !id ) return this;
       
   249 
       
   250 					this.find('input').each(function() {
       
   251 						var t = $(this), field;
       
   252 						$.each( itemData, function( attr, val ) {
       
   253 							if( itemType == 'menu-item' )
       
   254 								field = attr + '[' + id + ']';
       
   255 							else if( itemType == 'add-menu-item' )
       
   256 								field = 'menu-item[' + id + '][' + attr + ']';
       
   257 
       
   258 							if ( field == t.attr('name') ) {
       
   259 								t.val( val );
       
   260 							}
       
   261 						});
       
   262 					});
       
   263 					return this;
       
   264 				}
       
   265 			});
       
   266 		},
       
   267 
       
   268 		countMenuItems : function( depth ) {
       
   269 			return $( '.menu-item-depth-' + depth ).length;
       
   270 		},
       
   271 
       
   272 		moveMenuItem : function( $this, dir ) {
       
   273 
       
   274 			var menuItems = $('#menu-to-edit li');
       
   275 				menuItemsCount = menuItems.length,
       
   276 				thisItem = $this.parents( 'li.menu-item' ),
       
   277 				thisItemChildren = thisItem.childMenuItems(),
       
   278 				thisItemData = thisItem.getItemData(),
       
   279 				thisItemDepth = parseInt( thisItem.menuItemDepth() ),
       
   280 				thisItemPosition = parseInt( thisItem.index() ),
       
   281 				nextItem = thisItem.next(),
       
   282 				nextItemChildren = nextItem.childMenuItems(),
       
   283 				nextItemDepth = parseInt( nextItem.menuItemDepth() ) + 1,
       
   284 				prevItem = thisItem.prev(),
       
   285 				prevItemDepth = parseInt( prevItem.menuItemDepth() ),
       
   286 				prevItemId = prevItem.getItemData()['menu-item-db-id'];
       
   287 
       
   288 			switch ( dir ) {
       
   289 			case 'up':
       
   290 				var newItemPosition = thisItemPosition - 1;
       
   291 
       
   292 				// Already at top
       
   293 				if ( 0 === thisItemPosition )
       
   294 					break;
       
   295 
       
   296 				// If a sub item is moved to top, shift it to 0 depth
       
   297 				if ( 0 === newItemPosition && 0 !== thisItemDepth )
       
   298 					thisItem.moveHorizontally( 0, thisItemDepth );
       
   299 
       
   300 				// If prev item is sub item, shift to match depth
       
   301 				if ( 0 !== prevItemDepth )
       
   302 					thisItem.moveHorizontally( prevItemDepth, thisItemDepth );
       
   303 
       
   304 				// Does this item have sub items?
       
   305 				if ( thisItemChildren ) {
       
   306 					var items = thisItem.add( thisItemChildren );
       
   307 					// Move the entire block
       
   308 					items.detach().insertBefore( menuItems.eq( newItemPosition ) ).updateParentMenuItemDBId();
       
   309 				} else {
       
   310 					thisItem.detach().insertBefore( menuItems.eq( newItemPosition ) ).updateParentMenuItemDBId();
       
   311 				}
       
   312 				break;
       
   313 			case 'down':
       
   314 				// Does this item have sub items?
       
   315 				if ( thisItemChildren ) {
       
   316 					var items = thisItem.add( thisItemChildren ),
       
   317 						nextItem = menuItems.eq( items.length + thisItemPosition ),
       
   318 						nextItemChildren = 0 !== nextItem.childMenuItems().length;
       
   319 
       
   320 					if ( nextItemChildren ) {
       
   321 						var newDepth = parseInt( nextItem.menuItemDepth() ) + 1;
       
   322 						thisItem.moveHorizontally( newDepth, thisItemDepth );
       
   323 					}
       
   324 
       
   325 					// Have we reached the bottom?
       
   326 					if ( menuItemsCount === thisItemPosition + items.length )
       
   327 						break;
       
   328 
       
   329 					items.detach().insertAfter( menuItems.eq( thisItemPosition + items.length ) ).updateParentMenuItemDBId();
       
   330 				} else {
       
   331 					// If next item has sub items, shift depth
       
   332 					if ( 0 !== nextItemChildren.length )
       
   333 						thisItem.moveHorizontally( nextItemDepth, thisItemDepth );
       
   334 
       
   335 					// Have we reached the bottom
       
   336 					if ( menuItemsCount === thisItemPosition + 1 )
       
   337 						break;
       
   338 					thisItem.detach().insertAfter( menuItems.eq( thisItemPosition + 1 ) ).updateParentMenuItemDBId();
       
   339 				}
       
   340 				break;
       
   341 			case 'top':
       
   342 				// Already at top
       
   343 				if ( 0 === thisItemPosition )
       
   344 					break;
       
   345 				// Does this item have sub items?
       
   346 				if ( thisItemChildren ) {
       
   347 					var items = thisItem.add( thisItemChildren );
       
   348 					// Move the entire block
       
   349 					items.detach().insertBefore( menuItems.eq( 0 ) ).updateParentMenuItemDBId();
       
   350 				} else {
       
   351 					thisItem.detach().insertBefore( menuItems.eq( 0 ) ).updateParentMenuItemDBId();
       
   352 				}
       
   353 				break;
       
   354 			case 'left':
       
   355 				// As far left as possible
       
   356 				if ( 0 === thisItemDepth )
       
   357 					break;
       
   358 				thisItem.shiftHorizontally( -1 );
       
   359 				break;
       
   360 			case 'right':
       
   361 				// Can't be sub item at top
       
   362 				if ( 0 === thisItemPosition )
       
   363 					break;
       
   364 				// Already sub item of prevItem
       
   365 				if ( thisItemData['menu-item-parent-id'] === prevItemId )
       
   366 					break;
       
   367 				thisItem.shiftHorizontally( 1 );
       
   368 				break;
       
   369 			}
       
   370 			$this.focus();
       
   371 			api.registerChange();
       
   372 			api.refreshKeyboardAccessibility();
       
   373 			api.refreshAdvancedAccessibility();
       
   374 		},
       
   375 
       
   376 		initAccessibility : function() {
       
   377 			api.refreshKeyboardAccessibility();
       
   378 			api.refreshAdvancedAccessibility();
       
   379 
       
   380 			// Events
       
   381 			$( '.menus-move-up' ).on( 'click', function ( e ) {
       
   382 				api.moveMenuItem( $( this ).parents( 'li.menu-item' ).find( 'a.item-edit' ), 'up' );
       
   383 				e.preventDefault();
       
   384 			});
       
   385 			$( '.menus-move-down' ).on( 'click', function ( e ) {
       
   386 				api.moveMenuItem( $( this ).parents( 'li.menu-item' ).find( 'a.item-edit' ), 'down' );
       
   387 				e.preventDefault();
       
   388 			});
       
   389 			$( '.menus-move-top' ).on( 'click', function ( e ) {
       
   390 				api.moveMenuItem( $( this ).parents( 'li.menu-item' ).find( 'a.item-edit' ), 'top' );
       
   391 				e.preventDefault();
       
   392 			});
       
   393 			$( '.menus-move-left' ).on( 'click', function ( e ) {
       
   394 				api.moveMenuItem( $( this ).parents( 'li.menu-item' ).find( 'a.item-edit' ), 'left' );
       
   395 				e.preventDefault();
       
   396 			});
       
   397 			$( '.menus-move-right' ).on( 'click', function ( e ) {
       
   398 				api.moveMenuItem( $( this ).parents( 'li.menu-item' ).find( 'a.item-edit' ), 'right' );
       
   399 				e.preventDefault();
       
   400 			});
       
   401 		},
       
   402 
       
   403 		refreshAdvancedAccessibility : function() {
       
   404 
       
   405 			// Hide all links by default
       
   406 			$( '.menu-item-settings .field-move a' ).css( 'display', 'none' );
       
   407 
       
   408 			$( '.item-edit' ).each( function() {
       
   409 				var $this = $(this),
       
   410 					movement = [],
       
   411 					availableMovement = '',
       
   412 					menuItem = $this.closest( 'li.menu-item' ).first(),
       
   413 					depth = menuItem.menuItemDepth(),
       
   414 					isPrimaryMenuItem = ( 0 === depth ),
       
   415 					itemName = $this.closest( '.menu-item-handle' ).find( '.menu-item-title' ).text(),
       
   416 					position = parseInt( menuItem.index() ),
       
   417 					prevItemDepth = ( isPrimaryMenuItem ) ? depth : parseInt( depth - 1 ),
       
   418 					prevItemNameLeft = menuItem.prevAll('.menu-item-depth-' + prevItemDepth).first().find( '.menu-item-title' ).text(),
       
   419 					prevItemNameRight = menuItem.prevAll('.menu-item-depth-' + depth).first().find( '.menu-item-title' ).text(),
       
   420 					totalMenuItems = $('#menu-to-edit li').length,
       
   421 					hasSameDepthSibling = menuItem.nextAll( '.menu-item-depth-' + depth ).length;
       
   422 
       
   423 				// Where can they move this menu item?
       
   424 				if ( 0 !== position ) {
       
   425 					var thisLink = menuItem.find( '.menus-move-up' );
       
   426 					thisLink.prop( 'title', menus.moveUp ).css( 'display', 'inline' );
       
   427 				}
       
   428 
       
   429 				if ( 0 !== position && isPrimaryMenuItem ) {
       
   430 					var thisLink = menuItem.find( '.menus-move-top' );
       
   431 					thisLink.prop( 'title', menus.moveToTop ).css( 'display', 'inline' );
       
   432 				}
       
   433 
       
   434 				if ( position + 1 !== totalMenuItems && 0 !== position ) {
       
   435 					var thisLink = menuItem.find( '.menus-move-down' );
       
   436 					thisLink.prop( 'title', menus.moveDown ).css( 'display', 'inline' );
       
   437 				}
       
   438 
       
   439 				if ( 0 === position && 0 !== hasSameDepthSibling ) {
       
   440 					var thisLink = menuItem.find( '.menus-move-down' );
       
   441 					thisLink.prop( 'title', menus.moveDown ).css( 'display', 'inline' );
       
   442 				}
       
   443 
       
   444 				if ( ! isPrimaryMenuItem ) {
       
   445 					var thisLink = menuItem.find( '.menus-move-left' ),
       
   446 						thisLinkText = menus.outFrom.replace( '%s', prevItemNameLeft );
       
   447 					thisLink.prop( 'title', menus.moveOutFrom.replace( '%s', prevItemNameLeft ) ).html( thisLinkText ).css( 'display', 'inline' );
       
   448 				}
       
   449 
       
   450 				if ( 0 !== position ) {
       
   451 					if ( menuItem.find( '.menu-item-data-parent-id' ).val() !== menuItem.prev().find( '.menu-item-data-db-id' ).val() ) {
       
   452 						var thisLink = menuItem.find( '.menus-move-right' ),
       
   453 							thisLinkText = menus.under.replace( '%s', prevItemNameRight );
       
   454 						thisLink.prop( 'title', menus.moveUnder.replace( '%s', prevItemNameRight ) ).html( thisLinkText ).css( 'display', 'inline' );
       
   455 					}
       
   456 				}
       
   457 
       
   458 				if ( isPrimaryMenuItem ) {
       
   459 					var primaryItems = $( '.menu-item-depth-0' ),
       
   460 						itemPosition = primaryItems.index( menuItem ) + 1,
       
   461 						totalMenuItems = primaryItems.length,
       
   462 
       
   463 						// String together help text for primary menu items
       
   464 						title = menus.menuFocus.replace( '%1$s', itemName ).replace( '%2$d', itemPosition ).replace( '%3$d', totalMenuItems );
       
   465 				} else {
       
   466 					var parentItem = menuItem.prevAll( '.menu-item-depth-' + parseInt( depth - 1 ) ).first(),
       
   467 						parentItemId = parentItem.find( '.menu-item-data-db-id' ).val(),
       
   468 						parentItemName = parentItem.find( '.menu-item-title' ).text(),
       
   469 						subItems = $( '.menu-item .menu-item-data-parent-id[value="' + parentItemId + '"]' ),
       
   470 						itemPosition = $( subItems.parents('.menu-item').get().reverse() ).index( menuItem ) + 1;
       
   471 
       
   472 						// String together help text for sub menu items
       
   473 						title = menus.subMenuFocus.replace( '%1$s', itemName ).replace( '%2$d', itemPosition ).replace( '%3$s', parentItemName );
       
   474 				}
       
   475 
       
   476 				$this.prop('title', title).html( title );
       
   477 			});
       
   478 		},
       
   479 
       
   480 		refreshKeyboardAccessibility : function() {
       
   481 			$( '.item-edit' ).off( 'focus' ).on( 'focus', function(){
       
   482 				$(this).off( 'keydown' ).on( 'keydown', function(e){
       
   483 
       
   484 					var $this = $(this);
       
   485 
       
   486 					// Bail if it's not an arrow key
       
   487 					if ( 37 != e.which && 38 != e.which && 39 != e.which && 40 != e.which )
       
   488 						return;
       
   489 
       
   490 					// Avoid multiple keydown events
       
   491 					$this.off('keydown');
       
   492 
       
   493 					// Bail if there is only one menu item
       
   494 					if ( 1 === $('#menu-to-edit li').length )
       
   495 						return;
       
   496 
       
   497 					// If RTL, swap left/right arrows
       
   498 					var arrows = { '38' : 'up', '40' : 'down', '37' : 'left', '39' : 'right' };
       
   499 					if ( $('body').hasClass('rtl') )
       
   500 						arrows = { '38' : 'up', '40' : 'down', '39' : 'left', '37' : 'right' };
       
   501 
       
   502 					switch ( arrows[e.which] ) {
       
   503 					case 'up':
       
   504 						api.moveMenuItem( $this, 'up' );
       
   505 						break;
       
   506 					case 'down':
       
   507 						api.moveMenuItem( $this, 'down' );
       
   508 						break;
       
   509 					case 'left':
       
   510 						api.moveMenuItem( $this, 'left' );
       
   511 						break;
       
   512 					case 'right':
       
   513 						api.moveMenuItem( $this, 'right' );
       
   514 						break;
       
   515 					}
       
   516 					// Put focus back on same menu item
       
   517 					$( '#edit-' + thisItemData['menu-item-db-id'] ).focus();
       
   518 					return false;
       
   519 				});
       
   520 			});
       
   521 		},
       
   522 
       
   523 		initToggles : function() {
       
   524 			// init postboxes
       
   525 			postboxes.add_postbox_toggles('nav-menus');
       
   526 
       
   527 			// adjust columns functions for menus UI
       
   528 			columns.useCheckboxesForHidden();
       
   529 			columns.checked = function(field) {
       
   530 				$('.field-' + field).removeClass('hidden-field');
       
   531 			}
       
   532 			columns.unchecked = function(field) {
       
   533 				$('.field-' + field).addClass('hidden-field');
       
   534 			}
       
   535 			// hide fields
       
   536 			api.menuList.hideAdvancedMenuItemFields();
       
   537 
       
   538 			$('.hide-postbox-tog').click(function () {
       
   539 				var hidden = $( '.accordion-container li.accordion-section' ).filter(':hidden').map(function() { return this.id; }).get().join(',');
       
   540 				$.post(ajaxurl, {
       
   541 					action: 'closed-postboxes',
       
   542 					hidden: hidden,
       
   543 					closedpostboxesnonce: jQuery('#closedpostboxesnonce').val(),
       
   544 					page: 'nav-menus'
       
   545 				});
       
   546 			});
       
   547 		},
       
   548 
       
   549 		initSortables : function() {
       
   550 			var currentDepth = 0, originalDepth, minDepth, maxDepth,
       
   551 				prev, next, prevBottom, nextThreshold, helperHeight, transport,
       
   552 				menuEdge = api.menuList.offset().left,
       
   553 				body = $('body'), maxChildDepth,
       
   554 				menuMaxDepth = initialMenuMaxDepth();
       
   555 
       
   556 			if( 0 != $( '#menu-to-edit li' ).length )
       
   557 				$( '.drag-instructions' ).show();
       
   558 
       
   559 			// Use the right edge if RTL.
       
   560 			menuEdge += api.isRTL ? api.menuList.width() : 0;
       
   561 
       
   562 			api.menuList.sortable({
       
   563 				handle: '.menu-item-handle',
       
   564 				placeholder: 'sortable-placeholder',
       
   565 				start: function(e, ui) {
       
   566 					var height, width, parent, children, tempHolder;
       
   567 
       
   568 					// handle placement for rtl orientation
       
   569 					if ( api.isRTL )
       
   570 						ui.item[0].style.right = 'auto';
       
   571 
       
   572 					transport = ui.item.children('.menu-item-transport');
       
   573 
       
   574 					// Set depths. currentDepth must be set before children are located.
       
   575 					originalDepth = ui.item.menuItemDepth();
       
   576 					updateCurrentDepth(ui, originalDepth);
       
   577 
       
   578 					// Attach child elements to parent
       
   579 					// Skip the placeholder
       
   580 					parent = ( ui.item.next()[0] == ui.placeholder[0] ) ? ui.item.next() : ui.item;
       
   581 					children = parent.childMenuItems();
       
   582 					transport.append( children );
       
   583 
       
   584 					// Update the height of the placeholder to match the moving item.
       
   585 					height = transport.outerHeight();
       
   586 					// If there are children, account for distance between top of children and parent
       
   587 					height += ( height > 0 ) ? (ui.placeholder.css('margin-top').slice(0, -2) * 1) : 0;
       
   588 					height += ui.helper.outerHeight();
       
   589 					helperHeight = height;
       
   590 					height -= 2; // Subtract 2 for borders
       
   591 					ui.placeholder.height(height);
       
   592 
       
   593 					// Update the width of the placeholder to match the moving item.
       
   594 					maxChildDepth = originalDepth;
       
   595 					children.each(function(){
       
   596 						var depth = $(this).menuItemDepth();
       
   597 						maxChildDepth = (depth > maxChildDepth) ? depth : maxChildDepth;
       
   598 					});
       
   599 					width = ui.helper.find('.menu-item-handle').outerWidth(); // Get original width
       
   600 					width += api.depthToPx(maxChildDepth - originalDepth); // Account for children
       
   601 					width -= 2; // Subtract 2 for borders
       
   602 					ui.placeholder.width(width);
       
   603 
       
   604 					// Update the list of menu items.
       
   605 					tempHolder = ui.placeholder.next();
       
   606 					tempHolder.css( 'margin-top', helperHeight + 'px' ); // Set the margin to absorb the placeholder
       
   607 					ui.placeholder.detach(); // detach or jQuery UI will think the placeholder is a menu item
       
   608 					$(this).sortable( "refresh" ); // The children aren't sortable. We should let jQ UI know.
       
   609 					ui.item.after( ui.placeholder ); // reattach the placeholder.
       
   610 					tempHolder.css('margin-top', 0); // reset the margin
       
   611 
       
   612 					// Now that the element is complete, we can update...
       
   613 					updateSharedVars(ui);
       
   614 				},
       
   615 				stop: function(e, ui) {
       
   616 					var children, depthChange = currentDepth - originalDepth;
       
   617 
       
   618 					// Return child elements to the list
       
   619 					children = transport.children().insertAfter(ui.item);
       
   620 
       
   621 					// Add "sub menu" description
       
   622 					var subMenuTitle = ui.item.find( '.item-title .is-submenu' );
       
   623 					if ( 0 < currentDepth )
       
   624 						subMenuTitle.show();
       
   625 					else
       
   626 						subMenuTitle.hide();
       
   627 
       
   628 					// Update depth classes
       
   629 					if( depthChange != 0 ) {
       
   630 						ui.item.updateDepthClass( currentDepth );
       
   631 						children.shiftDepthClass( depthChange );
       
   632 						updateMenuMaxDepth( depthChange );
       
   633 					}
       
   634 					// Register a change
       
   635 					api.registerChange();
       
   636 					// Update the item data.
       
   637 					ui.item.updateParentMenuItemDBId();
       
   638 
       
   639 					// address sortable's incorrectly-calculated top in opera
       
   640 					ui.item[0].style.top = 0;
       
   641 
       
   642 					// handle drop placement for rtl orientation
       
   643 					if ( api.isRTL ) {
       
   644 						ui.item[0].style.left = 'auto';
       
   645 						ui.item[0].style.right = 0;
       
   646 					}
       
   647 
       
   648 					api.refreshKeyboardAccessibility();
       
   649 					api.refreshAdvancedAccessibility();
       
   650 				},
       
   651 				change: function(e, ui) {
       
   652 					// Make sure the placeholder is inside the menu.
       
   653 					// Otherwise fix it, or we're in trouble.
       
   654 					if( ! ui.placeholder.parent().hasClass('menu') )
       
   655 						(prev.length) ? prev.after( ui.placeholder ) : api.menuList.prepend( ui.placeholder );
       
   656 
       
   657 					updateSharedVars(ui);
       
   658 				},
       
   659 				sort: function(e, ui) {
       
   660 					var offset = ui.helper.offset(),
       
   661 						edge = api.isRTL ? offset.left + ui.helper.width() : offset.left,
       
   662 						depth = api.negateIfRTL * api.pxToDepth( edge - menuEdge );
       
   663 					// Check and correct if depth is not within range.
       
   664 					// Also, if the dragged element is dragged upwards over
       
   665 					// an item, shift the placeholder to a child position.
       
   666 					if ( depth > maxDepth || offset.top < prevBottom ) depth = maxDepth;
       
   667 					else if ( depth < minDepth ) depth = minDepth;
       
   668 
       
   669 					if( depth != currentDepth )
       
   670 						updateCurrentDepth(ui, depth);
       
   671 
       
   672 					// If we overlap the next element, manually shift downwards
       
   673 					if( nextThreshold && offset.top + helperHeight > nextThreshold ) {
       
   674 						next.after( ui.placeholder );
       
   675 						updateSharedVars( ui );
       
   676 						$(this).sortable( "refreshPositions" );
       
   677 					}
       
   678 				}
       
   679 			});
       
   680 
       
   681 			function updateSharedVars(ui) {
       
   682 				var depth;
       
   683 
       
   684 				prev = ui.placeholder.prev();
       
   685 				next = ui.placeholder.next();
       
   686 
       
   687 				// Make sure we don't select the moving item.
       
   688 				if( prev[0] == ui.item[0] ) prev = prev.prev();
       
   689 				if( next[0] == ui.item[0] ) next = next.next();
       
   690 
       
   691 				prevBottom = (prev.length) ? prev.offset().top + prev.height() : 0;
       
   692 				nextThreshold = (next.length) ? next.offset().top + next.height() / 3 : 0;
       
   693 				minDepth = (next.length) ? next.menuItemDepth() : 0;
       
   694 
       
   695 				if( prev.length )
       
   696 					maxDepth = ( (depth = prev.menuItemDepth() + 1) > api.options.globalMaxDepth ) ? api.options.globalMaxDepth : depth;
       
   697 				else
       
   698 					maxDepth = 0;
       
   699 			}
       
   700 
       
   701 			function updateCurrentDepth(ui, depth) {
       
   702 				ui.placeholder.updateDepthClass( depth, currentDepth );
       
   703 				currentDepth = depth;
       
   704 			}
       
   705 
       
   706 			function initialMenuMaxDepth() {
       
   707 				if( ! body[0].className ) return 0;
       
   708 				var match = body[0].className.match(/menu-max-depth-(\d+)/);
       
   709 				return match && match[1] ? parseInt(match[1]) : 0;
       
   710 			}
       
   711 
       
   712 			function updateMenuMaxDepth( depthChange ) {
       
   713 				var depth, newDepth = menuMaxDepth;
       
   714 				if ( depthChange === 0 ) {
       
   715 					return;
       
   716 				} else if ( depthChange > 0 ) {
       
   717 					depth = maxChildDepth + depthChange;
       
   718 					if( depth > menuMaxDepth )
       
   719 						newDepth = depth;
       
   720 				} else if ( depthChange < 0 && maxChildDepth == menuMaxDepth ) {
       
   721 					while( ! $('.menu-item-depth-' + newDepth, api.menuList).length && newDepth > 0 )
       
   722 						newDepth--;
       
   723 				}
       
   724 				// Update the depth class.
       
   725 				body.removeClass( 'menu-max-depth-' + menuMaxDepth ).addClass( 'menu-max-depth-' + newDepth );
       
   726 				menuMaxDepth = newDepth;
       
   727 			}
       
   728 		},
       
   729 
       
   730 		initManageLocations : function () {
       
   731 			$('#menu-locations-wrap form').submit(function(){
       
   732 				window.onbeforeunload = null;
       
   733 			});
       
   734 			$('.menu-location-menus select').on('change', function () {
       
   735 				var editLink = $(this).closest('tr').find('.locations-edit-menu-link');
       
   736 				if ($(this).find('option:selected').data('orig'))
       
   737 					editLink.show();
       
   738 				else
       
   739 					editLink.hide();
       
   740 			});
       
   741 		},
       
   742 
       
   743 		attachMenuEditListeners : function() {
       
   744 			var that = this;
       
   745 			$('#update-nav-menu').bind('click', function(e) {
       
   746 				if ( e.target && e.target.className ) {
       
   747 					if ( -1 != e.target.className.indexOf('item-edit') ) {
       
   748 						return that.eventOnClickEditLink(e.target);
       
   749 					} else if ( -1 != e.target.className.indexOf('menu-save') ) {
       
   750 						return that.eventOnClickMenuSave(e.target);
       
   751 					} else if ( -1 != e.target.className.indexOf('menu-delete') ) {
       
   752 						return that.eventOnClickMenuDelete(e.target);
       
   753 					} else if ( -1 != e.target.className.indexOf('item-delete') ) {
       
   754 						return that.eventOnClickMenuItemDelete(e.target);
       
   755 					} else if ( -1 != e.target.className.indexOf('item-cancel') ) {
       
   756 						return that.eventOnClickCancelLink(e.target);
       
   757 					}
       
   758 				}
       
   759 			});
       
   760 			$('#add-custom-links input[type="text"]').keypress(function(e){
       
   761 				if ( e.keyCode === 13 ) {
       
   762 					e.preventDefault();
       
   763 					$("#submit-customlinkdiv").click();
       
   764 				}
       
   765 			});
       
   766 		},
       
   767 
       
   768 		/**
       
   769 		 * An interface for managing default values for input elements
       
   770 		 * that is both JS and accessibility-friendly.
       
   771 		 *
       
   772 		 * Input elements that add the class 'input-with-default-title'
       
   773 		 * will have their values set to the provided HTML title when empty.
       
   774 		 */
       
   775 		setupInputWithDefaultTitle : function() {
       
   776 			var name = 'input-with-default-title';
       
   777 
       
   778 			$('.' + name).each( function(){
       
   779 				var $t = $(this), title = $t.attr('title'), val = $t.val();
       
   780 				$t.data( name, title );
       
   781 
       
   782 				if( '' == val ) $t.val( title );
       
   783 				else if ( title == val ) return;
       
   784 				else $t.removeClass( name );
       
   785 			}).focus( function(){
       
   786 				var $t = $(this);
       
   787 				if( $t.val() == $t.data(name) )
       
   788 					$t.val('').removeClass( name );
       
   789 			}).blur( function(){
       
   790 				var $t = $(this);
       
   791 				if( '' == $t.val() )
       
   792 					$t.addClass( name ).val( $t.data(name) );
       
   793 			});
       
   794 
       
   795 			$( '.blank-slate .input-with-default-title' ).focus();
       
   796 		},
       
   797 
       
   798 		attachThemeLocationsListeners : function() {
       
   799 			var loc = $('#nav-menu-theme-locations'), params = {};
       
   800 			params['action'] = 'menu-locations-save';
       
   801 			params['menu-settings-column-nonce'] = $('#menu-settings-column-nonce').val();
       
   802 			loc.find('input[type="submit"]').click(function() {
       
   803 				loc.find('select').each(function() {
       
   804 					params[this.name] = $(this).val();
       
   805 				});
       
   806 				loc.find('.spinner').show();
       
   807 				$.post( ajaxurl, params, function(r) {
       
   808 					loc.find('.spinner').hide();
       
   809 				});
       
   810 				return false;
       
   811 			});
       
   812 		},
       
   813 
       
   814 		attachQuickSearchListeners : function() {
       
   815 			var searchTimer;
       
   816 
       
   817 			$('.quick-search').keypress(function(e){
       
   818 				var t = $(this);
       
   819 
       
   820 				if( 13 == e.which ) {
       
   821 					api.updateQuickSearchResults( t );
       
   822 					return false;
       
   823 				}
       
   824 
       
   825 				if( searchTimer ) clearTimeout(searchTimer);
       
   826 
       
   827 				searchTimer = setTimeout(function(){
       
   828 					api.updateQuickSearchResults( t );
       
   829 				}, 400);
       
   830 			}).attr('autocomplete','off');
       
   831 		},
       
   832 
       
   833 		updateQuickSearchResults : function(input) {
       
   834 			var panel, params,
       
   835 			minSearchLength = 2,
       
   836 			q = input.val();
       
   837 
       
   838 			if( q.length < minSearchLength ) return;
       
   839 
       
   840 			panel = input.parents('.tabs-panel');
       
   841 			params = {
       
   842 				'action': 'menu-quick-search',
       
   843 				'response-format': 'markup',
       
   844 				'menu': $('#menu').val(),
       
   845 				'menu-settings-column-nonce': $('#menu-settings-column-nonce').val(),
       
   846 				'q': q,
       
   847 				'type': input.attr('name')
       
   848 			};
       
   849 
       
   850 			$('.spinner', panel).show();
       
   851 
       
   852 			$.post( ajaxurl, params, function(menuMarkup) {
       
   853 				api.processQuickSearchQueryResponse(menuMarkup, params, panel);
       
   854 			});
       
   855 		},
       
   856 
       
   857 		addCustomLink : function( processMethod ) {
       
   858 			var url = $('#custom-menu-item-url').val(),
       
   859 				label = $('#custom-menu-item-name').val();
       
   860 
       
   861 			processMethod = processMethod || api.addMenuItemToBottom;
       
   862 
       
   863 			if ( '' == url || 'http://' == url )
       
   864 				return false;
       
   865 
       
   866 			// Show the ajax spinner
       
   867 			$('.customlinkdiv .spinner').show();
       
   868 			this.addLinkToMenu( url, label, processMethod, function() {
       
   869 				// Remove the ajax spinner
       
   870 				$('.customlinkdiv .spinner').hide();
       
   871 				// Set custom link form back to defaults
       
   872 				$('#custom-menu-item-name').val('').blur();
       
   873 				$('#custom-menu-item-url').val('http://');
       
   874 			});
       
   875 		},
       
   876 
       
   877 		addLinkToMenu : function(url, label, processMethod, callback) {
       
   878 			processMethod = processMethod || api.addMenuItemToBottom;
       
   879 			callback = callback || function(){};
       
   880 
       
   881 			api.addItemToMenu({
       
   882 				'-1': {
       
   883 					'menu-item-type': 'custom',
       
   884 					'menu-item-url': url,
       
   885 					'menu-item-title': label
       
   886 				}
       
   887 			}, processMethod, callback);
       
   888 		},
       
   889 
       
   890 		addItemToMenu : function(menuItem, processMethod, callback) {
       
   891 			var menu = $('#menu').val(),
       
   892 				nonce = $('#menu-settings-column-nonce').val();
       
   893 
       
   894 			processMethod = processMethod || function(){};
       
   895 			callback = callback || function(){};
       
   896 
       
   897 			params = {
       
   898 				'action': 'add-menu-item',
       
   899 				'menu': menu,
       
   900 				'menu-settings-column-nonce': nonce,
       
   901 				'menu-item': menuItem
       
   902 			};
       
   903 
       
   904 			$.post( ajaxurl, params, function(menuMarkup) {
       
   905 				var ins = $('#menu-instructions');
       
   906 
       
   907 				menuMarkup = $.trim( menuMarkup ); // Trim leading whitespaces
       
   908 				processMethod(menuMarkup, params);
       
   909 
       
   910 				// Make it stand out a bit more visually, by adding a fadeIn
       
   911 				$( 'li.pending' ).hide().fadeIn('slow');
       
   912 				$( '.drag-instructions' ).show();
       
   913 				if( ! ins.hasClass( 'menu-instructions-inactive' ) && ins.siblings().length )
       
   914 					ins.addClass( 'menu-instructions-inactive' );
       
   915 
       
   916 				callback();
       
   917 			});
       
   918 		},
       
   919 
       
   920 		/**
       
   921 		 * Process the add menu item request response into menu list item.
       
   922 		 *
       
   923 		 * @param string menuMarkup The text server response of menu item markup.
       
   924 		 * @param object req The request arguments.
       
   925 		 */
       
   926 		addMenuItemToBottom : function( menuMarkup, req ) {
       
   927 			$(menuMarkup).hideAdvancedMenuItemFields().appendTo( api.targetList );
       
   928 			api.refreshKeyboardAccessibility();
       
   929 			api.refreshAdvancedAccessibility();
       
   930 		},
       
   931 
       
   932 		addMenuItemToTop : function( menuMarkup, req ) {
       
   933 			$(menuMarkup).hideAdvancedMenuItemFields().prependTo( api.targetList );
       
   934 			api.refreshKeyboardAccessibility();
       
   935 			api.refreshAdvancedAccessibility();
       
   936 		},
       
   937 
       
   938 		attachUnsavedChangesListener : function() {
       
   939 			$('#menu-management input, #menu-management select, #menu-management, #menu-management textarea, .menu-location-menus select').change(function(){
       
   940 				api.registerChange();
       
   941 			});
       
   942 
       
   943 			if ( 0 != $('#menu-to-edit').length || 0 != $('.menu-location-menus select').length ) {
       
   944 				window.onbeforeunload = function(){
       
   945 					if ( api.menusChanged )
       
   946 						return navMenuL10n.saveAlert;
       
   947 				};
       
   948 			} else {
       
   949 				// Make the post boxes read-only, as they can't be used yet
       
   950 				$( '#menu-settings-column' ).find( 'input,select' ).end().find( 'a' ).attr( 'href', '#' ).unbind( 'click' );
       
   951 			}
       
   952 		},
       
   953 
       
   954 		registerChange : function() {
       
   955 			api.menusChanged = true;
       
   956 		},
       
   957 
       
   958 		attachTabsPanelListeners : function() {
       
   959 			$('#menu-settings-column').bind('click', function(e) {
       
   960 				var selectAreaMatch, panelId, wrapper, items,
       
   961 					target = $(e.target);
       
   962 
       
   963 				if ( target.hasClass('nav-tab-link') ) {
       
   964 
       
   965 					panelId = target.data( 'type' );
       
   966 
       
   967 					wrapper = target.parents('.accordion-section-content').first();
       
   968 
       
   969 					// upon changing tabs, we want to uncheck all checkboxes
       
   970 					$('input', wrapper).removeAttr('checked');
       
   971 
       
   972 					$('.tabs-panel-active', wrapper).removeClass('tabs-panel-active').addClass('tabs-panel-inactive');
       
   973 					$('#' + panelId, wrapper).removeClass('tabs-panel-inactive').addClass('tabs-panel-active');
       
   974 
       
   975 					$('.tabs', wrapper).removeClass('tabs');
       
   976 					target.parent().addClass('tabs');
       
   977 
       
   978 					// select the search bar
       
   979 					$('.quick-search', wrapper).focus();
       
   980 
       
   981 					e.preventDefault();
       
   982 				} else if ( target.hasClass('select-all') ) {
       
   983 					selectAreaMatch = /#(.*)$/.exec(e.target.href);
       
   984 					if ( selectAreaMatch && selectAreaMatch[1] ) {
       
   985 						items = $('#' + selectAreaMatch[1] + ' .tabs-panel-active .menu-item-title input');
       
   986 						if( items.length === items.filter(':checked').length )
       
   987 							items.removeAttr('checked');
       
   988 						else
       
   989 							items.prop('checked', true);
       
   990 						return false;
       
   991 					}
       
   992 				} else if ( target.hasClass('submit-add-to-menu') ) {
       
   993 					api.registerChange();
       
   994 
       
   995 					if ( e.target.id && 'submit-customlinkdiv' == e.target.id )
       
   996 						api.addCustomLink( api.addMenuItemToBottom );
       
   997 					else if ( e.target.id && -1 != e.target.id.indexOf('submit-') )
       
   998 						$('#' + e.target.id.replace(/submit-/, '')).addSelectedToMenu( api.addMenuItemToBottom );
       
   999 					return false;
       
  1000 				} else if ( target.hasClass('page-numbers') ) {
       
  1001 					$.post( ajaxurl, e.target.href.replace(/.*\?/, '').replace(/action=([^&]*)/, '') + '&action=menu-get-metabox',
       
  1002 						function( resp ) {
       
  1003 							if ( -1 == resp.indexOf('replace-id') )
       
  1004 								return;
       
  1005 
       
  1006 							var metaBoxData = $.parseJSON(resp),
       
  1007 							toReplace = document.getElementById(metaBoxData['replace-id']),
       
  1008 							placeholder = document.createElement('div'),
       
  1009 							wrap = document.createElement('div');
       
  1010 
       
  1011 							if ( ! metaBoxData['markup'] || ! toReplace )
       
  1012 								return;
       
  1013 
       
  1014 							wrap.innerHTML = metaBoxData['markup'] ? metaBoxData['markup'] : '';
       
  1015 
       
  1016 							toReplace.parentNode.insertBefore( placeholder, toReplace );
       
  1017 							placeholder.parentNode.removeChild( toReplace );
       
  1018 
       
  1019 							placeholder.parentNode.insertBefore( wrap, placeholder );
       
  1020 
       
  1021 							placeholder.parentNode.removeChild( placeholder );
       
  1022 
       
  1023 						}
       
  1024 					);
       
  1025 
       
  1026 					return false;
       
  1027 				}
       
  1028 			});
       
  1029 		},
       
  1030 
       
  1031 		eventOnClickEditLink : function(clickedEl) {
       
  1032 			var settings, item,
       
  1033 			matchedSection = /#(.*)$/.exec(clickedEl.href);
       
  1034 			if ( matchedSection && matchedSection[1] ) {
       
  1035 				settings = $('#'+matchedSection[1]);
       
  1036 				item = settings.parent();
       
  1037 				if( 0 != item.length ) {
       
  1038 					if( item.hasClass('menu-item-edit-inactive') ) {
       
  1039 						if( ! settings.data('menu-item-data') ) {
       
  1040 							settings.data( 'menu-item-data', settings.getItemData() );
       
  1041 						}
       
  1042 						settings.slideDown('fast');
       
  1043 						item.removeClass('menu-item-edit-inactive')
       
  1044 							.addClass('menu-item-edit-active');
       
  1045 					} else {
       
  1046 						settings.slideUp('fast');
       
  1047 						item.removeClass('menu-item-edit-active')
       
  1048 							.addClass('menu-item-edit-inactive');
       
  1049 					}
       
  1050 					return false;
       
  1051 				}
       
  1052 			}
       
  1053 		},
       
  1054 
       
  1055 		eventOnClickCancelLink : function(clickedEl) {
       
  1056 			var settings = $( clickedEl ).closest( '.menu-item-settings' ),
       
  1057 				thisMenuItem = $( clickedEl ).closest( '.menu-item' );
       
  1058 			thisMenuItem.removeClass('menu-item-edit-active').addClass('menu-item-edit-inactive');
       
  1059 			settings.setItemData( settings.data('menu-item-data') ).hide();
       
  1060 			return false;
       
  1061 		},
       
  1062 
       
  1063 		eventOnClickMenuSave : function(clickedEl) {
       
  1064 			var locs = '',
       
  1065 			menuName = $('#menu-name'),
       
  1066 			menuNameVal = menuName.val();
       
  1067 			// Cancel and warn if invalid menu name
       
  1068 			if( !menuNameVal || menuNameVal == menuName.attr('title') || !menuNameVal.replace(/\s+/, '') ) {
       
  1069 				menuName.parent().addClass('form-invalid');
       
  1070 				return false;
       
  1071 			}
       
  1072 			// Copy menu theme locations
       
  1073 			$('#nav-menu-theme-locations select').each(function() {
       
  1074 				locs += '<input type="hidden" name="' + this.name + '" value="' + $(this).val() + '" />';
       
  1075 			});
       
  1076 			$('#update-nav-menu').append( locs );
       
  1077 			// Update menu item position data
       
  1078 			api.menuList.find('.menu-item-data-position').val( function(index) { return index + 1; } );
       
  1079 			window.onbeforeunload = null;
       
  1080 
       
  1081 			return true;
       
  1082 		},
       
  1083 
       
  1084 		eventOnClickMenuDelete : function(clickedEl) {
       
  1085 			// Delete warning AYS
       
  1086 			if ( confirm( navMenuL10n.warnDeleteMenu ) ) {
       
  1087 				window.onbeforeunload = null;
       
  1088 				return true;
       
  1089 			}
       
  1090 			return false;
       
  1091 		},
       
  1092 
       
  1093 		eventOnClickMenuItemDelete : function(clickedEl) {
       
  1094 			var itemID = parseInt(clickedEl.id.replace('delete-', ''), 10);
       
  1095 			api.removeMenuItem( $('#menu-item-' + itemID) );
       
  1096 			api.registerChange();
       
  1097 			return false;
       
  1098 		},
       
  1099 
       
  1100 		/**
       
  1101 		 * Process the quick search response into a search result
       
  1102 		 *
       
  1103 		 * @param string resp The server response to the query.
       
  1104 		 * @param object req The request arguments.
       
  1105 		 * @param jQuery panel The tabs panel we're searching in.
       
  1106 		 */
       
  1107 		processQuickSearchQueryResponse : function(resp, req, panel) {
       
  1108 			var matched, newID,
       
  1109 			takenIDs = {},
       
  1110 			form = document.getElementById('nav-menu-meta'),
       
  1111 			pattern = new RegExp('menu-item\\[(\[^\\]\]*)', 'g'),
       
  1112 			$items = $('<div>').html(resp).find('li'),
       
  1113 			$item;
       
  1114 
       
  1115 			if( ! $items.length ) {
       
  1116 				$('.categorychecklist', panel).html( '<li><p>' + navMenuL10n.noResultsFound + '</p></li>' );
       
  1117 				$('.spinner', panel).hide();
       
  1118 				return;
       
  1119 			}
       
  1120 
       
  1121 			$items.each(function(){
       
  1122 				$item = $(this);
       
  1123 
       
  1124 				// make a unique DB ID number
       
  1125 				matched = pattern.exec($item.html());
       
  1126 
       
  1127 				if ( matched && matched[1] ) {
       
  1128 					newID = matched[1];
       
  1129 					while( form.elements['menu-item[' + newID + '][menu-item-type]'] || takenIDs[ newID ] ) {
       
  1130 						newID--;
       
  1131 					}
       
  1132 
       
  1133 					takenIDs[newID] = true;
       
  1134 					if ( newID != matched[1] ) {
       
  1135 						$item.html( $item.html().replace(new RegExp(
       
  1136 							'menu-item\\[' + matched[1] + '\\]', 'g'),
       
  1137 							'menu-item[' + newID + ']'
       
  1138 						) );
       
  1139 					}
       
  1140 				}
       
  1141 			});
       
  1142 
       
  1143 			$('.categorychecklist', panel).html( $items );
       
  1144 			$('.spinner', panel).hide();
       
  1145 		},
       
  1146 
       
  1147 		removeMenuItem : function(el) {
       
  1148 			var children = el.childMenuItems();
       
  1149 
       
  1150 			el.addClass('deleting').animate({
       
  1151 					opacity : 0,
       
  1152 					height: 0
       
  1153 				}, 350, function() {
       
  1154 					var ins = $('#menu-instructions');
       
  1155 					el.remove();
       
  1156 					children.shiftDepthClass( -1 ).updateParentMenuItemDBId();
       
  1157 					if( 0 == $( '#menu-to-edit li' ).length ) {
       
  1158 						$( '.drag-instructions' ).hide();
       
  1159 						ins.removeClass( 'menu-instructions-inactive' );
       
  1160 					}
       
  1161 				});
       
  1162 		},
       
  1163 
       
  1164 		depthToPx : function(depth) {
       
  1165 			return depth * api.options.menuItemDepthPerLevel;
       
  1166 		},
       
  1167 
       
  1168 		pxToDepth : function(px) {
       
  1169 			return Math.floor(px / api.options.menuItemDepthPerLevel);
       
  1170 		}
       
  1171 
       
  1172 	};
       
  1173 
       
  1174 	$(document).ready(function(){ wpNavMenu.init(); });
       
  1175 
       
  1176 })(jQuery);