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

var wpNavMenu;(function($){var api=wpNavMenu={options:{menuItemDepthPerLevel:30,globalMaxDepth:11},menuList:undefined,targetList:undefined,menusChanged:false,init:function(){api.menuList=$("#menu-to-edit");api.targetList=api.menuList;this.jQueryExtensions();this.attachMenuEditListeners();this.setupInputWithDefaultTitle();this.attachAddMenuItemListeners();this.attachQuickSearchListeners();this.attachThemeLocationsListeners();this.attachTabsPanelListeners();this.attachHomeLinkListener();this.attachUnsavedChangesListener();if(api.menuList.length){this.initSortables()}this.initToggles();this.initTabManager()},jQueryExtensions:function(){$.fn.extend({menuItemDepth:function(){return api.pxToDepth(this.eq(0).css("margin-left").slice(0,-2))},updateDepthClass:function(current,prev){return this.each(function(){var t=$(this);prev=prev||t.menuItemDepth();$(this).removeClass("menu-item-depth-"+prev).addClass("menu-item-depth-"+current)})},shiftDepthClass:function(change){return this.each(function(){var t=$(this),depth=t.menuItemDepth();$(this).removeClass("menu-item-depth-"+depth).addClass("menu-item-depth-"+(depth+change))})},childMenuItems:function(){var result=$();this.each(function(){var t=$(this),depth=t.menuItemDepth(),next=t.next();while(next.length&&next.menuItemDepth()>depth){result=result.add(next);next=next.next()}});return result},updateParentMenuItemDBId:function(){return this.each(function(){var item=$(this),input=item.find(".menu-item-data-parent-id"),depth=item.menuItemDepth(),parent=item.prev();if(depth==0){input.val(0)}else{while(parent.menuItemDepth()!=depth-1){parent=parent.prev()}input.val(parent.find(".menu-item-data-db-id").val())}})},hideAdvancedMenuItemFields:function(){return this.each(function(){var that=$(this);$(".hide-column-tog").not(":checked").each(function(){that.find(".field-"+$(this).val()).addClass("hidden-field")})})},addSelectedToMenu:function(processMethod){return this.each(function(){var t=$(this),menuItems={},checkboxes=t.find(".tabs-panel-active .categorychecklist li input:checked"),re=new RegExp("menu-item\\[([^\\]]*)");processMethod=processMethod||api.addMenuItemToBottom;if(!checkboxes.length){return false}t.find("img.waiting").show();$(checkboxes).each(function(){var listItemDBIDMatch=re.exec($(this).attr("name")),listItemDBID="undefined"==typeof listItemDBIDMatch[1]?0:parseInt(listItemDBIDMatch[1],10);menuItems[listItemDBID]=api.getListDataFromID(listItemDBID)});api.addItemToMenu(menuItems,processMethod,function(){checkboxes.removeAttr("checked");t.find("img.waiting").hide()})})}})},initToggles:function(){postboxes.add_postbox_toggles("nav-menus");columns.useCheckboxesForHidden();columns.checked=function(field){$(".field-"+field).removeClass("hidden-field")};columns.unchecked=function(field){$(".field-"+field).addClass("hidden-field")};api.menuList.hideAdvancedMenuItemFields()},initSortables:function(){var currentDepth=0,originalDepth,minDepth,maxDepth,prev,next,prevBottom,nextThreshold,helperHeight,transport,menuLeft=api.menuList.offset().left;api.menuList.sortable({handle:".menu-item-handle",placeholder:"sortable-placeholder",start:function(e,ui){var height,width,parent,children,maxChildDepth,tempHolder;transport=ui.item.children(".menu-item-transport");originalDepth=ui.item.menuItemDepth();updateCurrentDepth(ui,originalDepth);parent=(ui.item.next()[0]==ui.placeholder[0])?ui.item.next():ui.item;children=parent.childMenuItems();transport.append(children);height=transport.outerHeight();height+=(height>0)?(ui.placeholder.css("margin-top").slice(0,-2)*1):0;height+=ui.helper.outerHeight();helperHeight=height;height-=2;ui.placeholder.height(height);maxChildDepth=originalDepth;children.each(function(){var depth=$(this).menuItemDepth();maxChildDepth=(depth>maxChildDepth)?depth:maxChildDepth});width=ui.helper.find(".menu-item-handle").outerWidth();width+=api.depthToPx(maxChildDepth-originalDepth);width-=2;ui.placeholder.width(width);tempHolder=ui.placeholder.next();tempHolder.css("margin-top",helperHeight+"px");ui.placeholder.detach();$(this).sortable("refresh");ui.item.after(ui.placeholder);t