/*!
 * Ext JS Library 3.2.0
 * 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(); } } // private function onBeforeCheck(mi, state){ if(state){ var g = groups[mi.group]; for(var i = 0, l = g.length; i < l; i++){ if(g[i] != mi){ g[i].setChecked(false); } } } } 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); menuItem.on("beforecheckchange", onBeforeCheck); } }, // private unregisterCheckable : function(menuItem){ var g = menuItem.group; if(g){ groups[g].remove(menuItem); menuItem.un("beforecheckchange", onBeforeCheck); } }, 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; } }; }();