// SpryMenu.js - version 0.19 - Spry Pre-Release 1.7
//
// Copyright (c) 2010. Adobe Systems Incorporated.
// All rights reserved.
(function(){if(typeof Spry=="undefined"||!Spry.Widget||!Spry.Widget.Base){alert("SpryMenu.js requires SpryWidget.js!");return}var defaultConfig={plugIns:[],mainMenuShowDelay:200,mainMenuHideDelay:0,subMenuShowDelay:200,subMenuHideDelay:300,enableHoverNavigation:true,insertMenuBarBreak:false,insertSubMenuBreak:false,widgetID:null,widgetClass:"MenuBar",menuBarViewClass:"MenuBarView",menuBarBreakClass:"MenuBarBreak",subMenuClass:"SubMenu",subMenuViewClass:"SubMenuView",subMenuBreakClass:"SubMenuBreak",subMenuVisibleClass:"SubMenuVisible",menuItemContainerClass:"MenuItemContainer",menuItemContainerHoverClass:"MenuItemContainerHover",menuItemClass:"MenuItem",menuItemHoverClass:"MenuItemHover",menuItemSelectedClass:"MenuItemSelected",menuItemLabelClass:"MenuItemLabel",menuItemWithSubMenuClass:"MenuItemWithSubMenu",menuItemFirstClass:"MenuItemFirst",menuItemLastClass:"MenuItemLast",menuLevelClassPrefix:"MenuLevel",sliceMap:{}};Spry.Widget.MenuBar2=function(ele,opts){Spry.Widget.Base.call(this);this.element=Spry.$$(ele)[0];this.setOptions(this,Spry.Widget.MenuBar2.config);this.setOptions(this,opts);this.showMenuTimer=0;this.menuToShow=null;this.hideMenuTimer=0;this.menuToHide=null;this.currentMenuItem=null;this.currentSubMenu=null;this.initializePlugIns(Spry.Widget.MenuBar2.config.plugIns,opts);var evt=new Spry.Widget.Event(this);this.notifyObservers("onPreInitialize",evt);if(!evt.performDefaultAction)return;this.transformMarkup();this.attachBehaviors();this.notifyObservers("onPostInitialize",evt)};Spry.Widget.MenuBar2.prototype=new Spry.Widget.Base();Spry.Widget.MenuBar2.prototype.constructor=Spry.Widget.MenuBar2;Spry.Widget.MenuBar2.config=defaultConfig;Spry.Widget.MenuBar2.prototype.transformMarkup=function(){var evt=new Spry.Widget.Event(this);this.notifyObservers("onPreTransformMarkup",evt);if(!evt.performDefaultAction)return;var eles=Spry.$$("a",this.element);for(var i=0;i<eles.length;i++){var a=eles[i];var ca=this.extractChildNodes(a);this.createOptionalSlicedStructure(a,"span",this.menuItemClass);var label=this.createOptionalSlicedStructure(null,"span",this.menuItemLabelClass);this.appendChildNodes(label.contentContainer,ca);a.contentContainer.appendChild(label)}var eles=Spry.$$("li",this.element);for(var i=0;i<eles.length;i++)this.addClassName(eles[i],this.menuItemContainerClass);var eles=Spry.$$("ul",this.element);for(var i=0;i<eles.length;i++){var ul=eles[i];this.addClassName(ul,this.subMenuViewClass);var sm=this.createOptionalSlicedStructure(null,"div",this.subMenuClass);ul.parentNode.insertBefore(sm,ul);sm.contentContainer.appendChild(ul);var mi=this.getMenuItemForSubMenu(sm);if(mi)this.addClassName(mi,this.menuItemWithSubMenuClass);if(this.insertSubMenuBreak){var br=document.createElement("br");this.addClassName(br,this.subMenuBreakClass);sm.contentContainer.appendChild(br)}}var sms=Spry.$$("."+this.subMenuClass,this.element);var r=this.element;for(var i=0;i<sms.length;i++){var e=sms[i].parentNode;var level=1;while(e&&e!=r){if(this.hasClassName(e,this.subMenuClass))level++;e=e.parentNode}this.addClassName(sms[i],this.menuLevelClassPrefix+level)}var root=this.createOptionalSlicedStructure(null,"div",this.widgetClass);var oldRoot=this.element;oldRoot.parentNode.insertBefore(root,oldRoot);root.contentContainer.appendChild(oldRoot);this.addClassName(oldRoot,this.menuBarViewClass);this.element=root;if(this.insertMenuBarBreak){var br=document.createElement("br");this.addClassName(br,this.menuBarBreakClass);root.contentContainer.appendChild(br)}var eles=Spry.$$("."+this.menuBarViewClass+", ."+this.subMenuViewClass,this.element);for(var i=0;i<eles.length;i++){var containers=this.getElementChildren(eles[i]);if(containers.length){this.addClassName(this.getElementChildren(containers[0])[0],this.menuItemFirstClass);this.addClassName(this.getElementChildren(containers[containers.length-1])[0],this.menuItemLastClass)}}if(this.widgetID){if(oldRoot.id==this.widgetID)oldRoot.id="";root.id=this.widgetID}this.notifyObservers("onPostTransformMarkup",evt)};Spry.Widget.MenuBar2.prototype.getMenuLevel=function(m){var level=0;while(m){m=this.getParentMenuForElement(m,true);if(m)++level}return level};Spry.Widget.MenuBar2.prototype.getFirstSiblingWithClass=function(ele,className){if(ele&&className){var eles=this.getElementChildren(ele.parentNode);for(var i=0;i<eles.length;i++){var e=eles[i];if(this.hasClassName(e,className))return e}}return null};Spry.Widget.MenuBar2.prototype.getSubMenuForMenuItem=function(mi){return this.getFirstSiblingWithClass(mi,this.subMenuClass)};Spry.Widget.MenuBar2.prototype.getMenuItemForSubMenu=function(subMenu){return this.getFirstSiblingWithClass(subMenu,this.menuItemClass)};Spry.Widget.MenuBar2.prototype.getParentMenuForElement=function(ele,treatMenuBarAsMenu){while(ele&&ele!=this.element){ele=ele.parentNode;if(this.hasClassName(ele,this.subMenuClass)||(treatMenuBarAsMenu&&this.hasClassName(ele,this.widgetClass)))return ele}return null};Spry.Widget.MenuBar2.prototype.getMenuItemsForMenu=function(ele){var results=[];if(ele&&ele.contentContainer){var view=this.getElementChildren(ele.contentContainer)[0];if(view){var miContainers=this.getElementChildren(view);if(miContainers.length){for(var i=0;i<miContainers.length;i++){var mi=Spry.$$("."+this.menuItemClass,miContainers[i])[0];if(mi)results.push(mi)}}}}return results};Spry.Widget.MenuBar2.prototype.clearPendingShowRequest=function(subMenu){if(!subMenu||this.menuToShow==subMenu){if(this.showMenuTimer)clearTimeout(this.showMenuTimer);this.showMenuTimer=0;this.menuToShow=null}};Spry.Widget.MenuBar2.prototype.flushPendingShowRequest=function(){var mts=this.menuToShow;this.clearPendingShowRequest();if(mts)this.showSubMenu(mts)};Spry.Widget.MenuBar2.prototype.triggerShowRequestForSubMenu=function(subMenu){if(subMenu){this.clearPendingHideRequest(subMenu);if(this.menuToShow!=subMenu&&!this.hasClassName(subMenu,this.subMenuVisibleClass)){if(this.showMenuTimer)clearTimeout(this.showMenuTimer);var self=this;this.menuToShow=subMenu;var delay=this.getMenuLevel(subMenu)>1?this.subMenuShowDelay:this.mainMenuShowDelay;if(delay<=0)this.flushPendingShowRequest();else this.showMenuTimer=setTimeout(function(){self.flushPendingShowRequest()},delay)}}};Spry.Widget.MenuBar2.prototype.clearPendingHideRequest=function(subMenu){if(!subMenu||this.menuToHide==subMenu||Spry.Utils.isDescendant(this.menuToHide,subMenu)){if(this.hideMenuTimer)clearTimeout(this.hideMenuTimer);this.hideMenuTimer=0;this.menuToHide=null}};Spry.Widget.MenuBar2.prototype.flushPendingHideRequest=function(){var mth=this.menuToHide;this.clearPendingHideRequest();if(mth){var cmi=this.currentMenuItem;var m=this.getParentMenuForElement(cmi);var sm=this.getSubMenuForMenuItem(cmi);this.hideSubMenu(mth,(sm?sm:m))}};Spry.Widget.MenuBar2.prototype.triggerHideRequestForSubMenu=function(subMenu){if(subMenu){this.clearPendingShowRequest(subMenu);if(this.menuToHide!=subMenu){this.flushPendingHideRequest();var self=this;this.menuToHide=subMenu;var delay=this.getMenuLevel(subMenu)>1?this.subMenuHideDelay:this.mainMenuHideDelay;if(delay<1)this.flushPendingHideRequest();else this.hideMenuTimer=setTimeout(function(){self.flushPendingHideRequest()},delay)}}};Spry.Widget.MenuBar2.prototype.getElementAndAncestors=function(ele,classNameFilter){var root=this.element;var result=[];while(ele&&ele!=root){if(!classNameFilter||this.hasClassName(ele,classNameFilter))result.unshift(ele);ele=ele.parentNode}return result};Spry.Widget.MenuBar2.prototype.getSubMenuHierarchy=function(subMenu){return this.getElementAndAncestors(subMenu,this.subMenuClass)};Spry.Widget.MenuBar2.prototype.getMenuItemHierarchy=function(mi){var results=[];if(mi){results.push(mi);var m=this.getParentMenuForElement(mi);while(m){mi=this.getMenuItemForSubMenu(m);if(mi)results.unshift(mi);m=this.getParentMenuForElement(m)}}return results};Spry.Widget.MenuBar2.prototype.pruneCommonAncestorElements=function(a,b){var result=[];var minLen=Math.min(a.length,b.length);for(var i=0;i<b.length;i++){if(i>=minLen||a[i]!=b[i])result.push(b[i])}return result};Spry.Widget.MenuBar2.prototype.hideSubMenu=function(subMenu,visibleSubMenu){if(subMenu){var smh=this.getSubMenuHierarchy(subMenu);var vmh=this.getSubMenuHierarchy(visibleSubMenu);smh=this.pruneCommonAncestorElements(vmh,smh);var evt=new Spry.Widget.Event(this,{subMenus:smh});this.notifyObservers("onPreHideSubMenuHierarchy",evt);if(!evt.performDefaultAction)return;for(var i=0;i<smh.length;i++){var sm=smh[i];var mi=this.getMenuItemForSubMenu(sm);if(mi&&mi!=this.currentMenuItem)this.removeHoverClass(mi);this.removeClassName(sm,this.subMenuVisibleClass);if(sm==this.currentSubMenu)this.currentSubMenu=this.getParentMenuForElement(sm)}this.notifyObservers("onPostHideSubMenuHierarchy",evt)}};Spry.Widget.MenuBar2.prototype.showSubMenu=function(ele,forceSync){this.clearPendingHideRequest(ele);var csm=this.currentSubMenu;var isSameMenu=csm&&csm==ele;var isVisible=isSameMenu||(ele&&Spry.Utils.isDescendant(ele,csm));if(!isSameMenu){if(isVisible){if(forceSync)this.hideSubMenu(csm,ele);this.currentSubMenu=ele}else{if(!Spry.Utils.isDescendant(csm,ele))this.hideSubMenu(csm,ele);this.flushPendingHideRequest();var nsmh=this.getSubMenuHierarchy(ele);var evt=new Spry.Widget.Event(this,{subMenus:nsmh});this.notifyObservers("onPreShowSubMenuHierarchy",evt);if(!evt.performDefaultAction)return;for(var i=nsmh.length-1;i>=0;--i){var sm=nsmh[i];if(csm==ele)break;var mi=this.getMenuItemForSubMenu(sm);if(mi)this.addHoverClass(mi);this.addClassName(sm,this.subMenuVisibleClass)}this.currentSubMenu=ele;this.notifyObservers("onPostShowSubMenuHierarchy",evt)}}};Spry.Widget.MenuBar2.prototype.addHoverClass=function(mi){var evt=new Spry.Widget.Event(this,{menuItem:mi});this.notifyObservers("onPreAddHoverClass",evt);if(!evt.performDefaultAction)return;this.addClassName(mi,this.menuItemHoverClass);var mic=Spry.Utils.getAncestor(mi,"."+this.menuItemContainerClass);if(mic)this.addClassName(mic,this.menuItemContainerHoverClass);this.notifyObservers("onPostAddHoverClass",evt)};Spry.Widget.MenuBar2.prototype.removeHoverClass=function(mi){var evt=new Spry.Widget.Event(this,{menuItem:mi});this.notifyObservers("onPreRemoveHoverClass",evt);if(!evt.performDefaultAction)return;this.removeClassName(mi,this.menuItemHoverClass);var mic=Spry.Utils.getAncestor(mi,"."+this.menuItemContainerClass);if(mic)this.removeClassName(mic,this.menuItemContainerHoverClass);this.notifyObservers("onPostRemoveHoverClass",evt)};Spry.Widget.MenuBar2.prototype.setCurrentMenuItem=function(ele,forceSync){var evt=new Spry.Widget.Event(this,{oldMenuItem:this.currentMenuItem,menuItem:ele});this.notifyObservers("onPreSetCurrentMenuItem",evt);if(!evt.performDefaultAction)return;if(this.currentMenuItem){var ch=this.getMenuItemHierarchy(this.currentMenuItem);var eh=this.getMenuItemHierarchy(ele);ch=this.pruneCommonAncestorElements(eh,ch);for(var i=0;i<ch.length;i++)this.removeHoverClass(ch[i])}this.currentMenuItem=ele;if(ele){this.addHoverClass(ele);var menu=this.getParentMenuForElement(ele);this.showSubMenu(menu,forceSync)}this.notifyObservers("onPostSetCurrentMenuItem",evt)};Spry.Widget.MenuBar2.prototype.handleMenuItemClick=function(evt,ele){var oldCSM=this.currentSubMenu;this.setCurrentMenuItem(ele,true);var h=ele.getAttribute("href");h=h?h.replace(document.location,""):h;if(!h||h=="#"){var sm=this.getSubMenuForMenuItem(ele);if(sm){if(oldCSM==sm&&!this.getParentMenuForElement(ele)){this.setCurrentMenuItem(null);this.hideSubMenu(sm);return false}this.showSubMenu(sm,true)}return false}return undefined};Spry.Widget.MenuBar2.prototype.handleMenuItemEnter=function(evt,ele){if(this.currentMenuItem==ele)return;this.setCurrentMenuItem(ele);var sm=this.getSubMenuForMenuItem(ele);if(sm)this.triggerShowRequestForSubMenu(sm)};Spry.Widget.MenuBar2.prototype.handleMenuItemExit=function(evt,ele){var pm=this.getParentMenuForElement(ele);var sm=this.getSubMenuForMenuItem(ele);var rt=evt.relatedTarget?evt.relatedTarget:evt.toElement;if((rt==ele||Spry.Utils.isDescendant(ele,rt))||(rt==sm||Spry.Utils.isDescendant(sm,rt)))return;this.removeHoverClass(ele);if(this.currentMenuItem==ele)this.currentMenuItem=null;if(!sm)sm=(!Spry.Utils.isDescendant(pm,rt)?pm:null);if(sm)this.triggerHideRequestForSubMenu(sm)};Spry.Widget.MenuBar2.prototype.attachMenuItemBehaviors=function(ele,className,clickFunc){var evt=new Spry.Widget.Event(this,{menuItem:ele});this.notifyObservers("onPreAttachMenuItemBehaviors",evt);if(!evt.performDefaultAction)return;var self=this;if(this.enableHoverNavigation){this.addEventListener(ele,"mouseover",function(evt){return self.handleMenuItemEnter(evt,ele)});this.addEventListener(ele,"mouseout",function(evt){return self.handleMenuItemExit(evt,ele)})}this.addEventListener(ele,"click",function(evt){return self.handleMenuItemClick(evt,ele)});this.notifyObservers("onPostAttachMenuItemBehaviors",evt)};Spry.Widget.MenuBar2.prototype.attachBehaviors=function(link){var evt=new Spry.Widget.Event(this);this.notifyObservers("onPreAttachBehaviors",evt);if(!evt.performDefaultAction)return;var mis=Spry.$$("."+this.menuItemClass,this.element);for(var i=0;i<mis.length;i++)this.attachMenuItemBehaviors(mis[i],this.menuItemClass);this.notifyObservers("onPostAttachBehaviors",evt)}})();