-/*!
- * Ext JS Library 3.3.0
- * Copyright(c) 2006-2010 Ext JS, Inc.
- * licensing@extjs.com
- * http://www.extjs.com/license
- */
-/**
- * @class Ext.menu.MenuMgr
- * Provides a common registry of all menu items on a page so that they can be easily accessed by id.
- * @singleton
- */
-Ext.menu.MenuMgr = function(){
- var menus, active, groups = {}, attached = false, lastShow = new Date();
-
- // private - called when first menu is created
- function init(){
- menus = {};
- active = new Ext.util.MixedCollection();
- Ext.getDoc().addKeyListener(27, function(){
- if(active.length > 0){
- hideAll();
- }
- });
- }
-
- // private
- function hideAll(){
- if(active && active.length > 0){
- var c = active.clone();
- c.each(function(m){
- m.hide();
- });
- return true;
- }
- return false;
- }
-
- // private
- function onHide(m){
- active.remove(m);
- if(active.length < 1){
- Ext.getDoc().un("mousedown", onMouseDown);
- attached = false;
- }
- }
-
- // private
- function onShow(m){
- var last = active.last();
- lastShow = new Date();
- active.add(m);
- if(!attached){
- Ext.getDoc().on("mousedown", onMouseDown);
- attached = true;
- }
- if(m.parentMenu){
- m.getEl().setZIndex(parseInt(m.parentMenu.getEl().getStyle("z-index"), 10) + 3);
- m.parentMenu.activeChild = m;
- }else if(last && !last.isDestroyed && last.isVisible()){
- m.getEl().setZIndex(parseInt(last.getEl().getStyle("z-index"), 10) + 3);
- }
- }
-
- // private
- function onBeforeHide(m){
- if(m.activeChild){
- m.activeChild.hide();
- }
- if(m.autoHideTimer){
- clearTimeout(m.autoHideTimer);
- delete m.autoHideTimer;
- }
- }
-
- // private
- function onBeforeShow(m){
- var pm = m.parentMenu;
- if(!pm && !m.allowOtherMenus){
- hideAll();
- }else if(pm && pm.activeChild){
- pm.activeChild.hide();
- }
- }
-
- // private
- function onMouseDown(e){
- if(lastShow.getElapsed() > 50 && active.length > 0 && !e.getTarget(".x-menu")){
- hideAll();
- }
- }
-
- return {
-
- /**
- * Hides all menus that are currently visible
- * @return {Boolean} success True if any active menus were hidden.
- */
- hideAll : function(){
- return hideAll();
- },
-
- // private
- register : function(menu){
- if(!menus){
- init();
- }
- menus[menu.id] = menu;
- menu.on({
- beforehide: onBeforeHide,
- hide: onHide,
- beforeshow: onBeforeShow,
- show: onShow
- });
- },
-
- /**
- * Returns a {@link Ext.menu.Menu} object
- * @param {String/Object} menu The string menu id, an existing menu object reference, or a Menu config that will
- * be used to generate and return a new Menu instance.
- * @return {Ext.menu.Menu} The specified menu, or null if none are found
- */
- get : function(menu){
- if(typeof menu == "string"){ // menu id
- if(!menus){ // not initialized, no menus to return
- return null;
- }
- return menus[menu];
- }else if(menu.events){ // menu instance
- return menu;
- }else if(typeof menu.length == 'number'){ // array of menu items?
- return new Ext.menu.Menu({items:menu});
- }else{ // otherwise, must be a config
- return Ext.create(menu, 'menu');
- }
- },
-
- // private
- unregister : function(menu){
- delete menus[menu.id];
- menu.un("beforehide", onBeforeHide);
- menu.un("hide", onHide);
- menu.un("beforeshow", onBeforeShow);
- menu.un("show", onShow);
- },
-
- // private
- registerCheckable : function(menuItem){
- var g = menuItem.group;
- if(g){
- if(!groups[g]){
- groups[g] = [];
- }
- groups[g].push(menuItem);
- }
- },
-
- // private
- unregisterCheckable : function(menuItem){
- var g = menuItem.group;
- if(g){
- groups[g].remove(menuItem);
- }
- },
-
- // private
- onCheckChange: function(item, state){
- if(item.group && state){
- var group = groups[item.group],
- i = 0,
- len = group.length,
- current;
-
- for(; i < len; i++){
- current = group[i];
- if(current != item){
- current.setChecked(false);
- }
- }
- }
- },
-
- getCheckedItem : function(groupId){
- var g = groups[groupId];
- if(g){
- for(var i = 0, l = g.length; i < l; i++){
- if(g[i].checked){
- return g[i];
- }
- }
- }
- return null;
- },
-
- setCheckedItem : function(groupId, itemId){
- var g = groups[groupId];
- if(g){
- for(var i = 0, l = g.length; i < l; i++){
- if(g[i].id == itemId){
- g[i].setChecked(true);
- }
- }
- }
- return null;
- }
- };
-}();