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