我有一个带有四个选项卡的选项卡,应用程序完成启动后,我正在显示选项卡面板(第一个选项卡将是活动项目),当用户尝试点击任何其他 3 个选项卡时,我需要检查用户是否已经登录。
如果用户没有登录,那么我需要显示登录布局面板,并且我需要将第一个选项卡设置为活动项目。
如果用户登录,那么我需要 2/3/4 选项卡,你点击了什么。
如果用户没有登录,我可以显示登录覆盖面板,但是将活动项目更改回第一个选项卡是问题所在。
我在标签面板视图中编写了以下代码
    listeners : {
    activeitemchange : function() {
        var token = localStorage.token; // user already logged in there will be a token at localStorage.
        if (token == undefined || token == '') {
            this.setActiveItem(0);
            this.getAt(0).setActiveItem('firstTab');
        }
    }
}
它显示这样的错误但是,它正在工作(我不希望出现以下错误,即使它工作)
Uncaught Error: [ERROR][Ext.Container#factoryItem] Invalid config, must be a valid config object sencha-touch-all-debug.js:26029
Ext.define.doWrite sencha-touch-all-debug.js:26029
Ext.define.write sencha-touch-all-debug.js:18416
Ext.define.log sencha-touch-all-debug.js:18298
(anonymous function) sencha-touch-all-debug.js:18316
Ext.apply.factory sencha-touch-all-debug.js:9221
Ext.define.factoryItem sencha-touch-all-debug.js:64065
Ext.define.applyActiveItem sencha-touch-all-debug.js:64664
(anonymous function) sencha-touch-all-debug.js:27233
Ext.define.config.listeners.activeitemchange /myapp/app/view/myTab.js?_dc=1365571204916:39
Ext.define.doFire sencha-touch-all-debug.js:17322
Ext.define.fire sencha-touch-all-debug.js:17249
Ext.define.doDispatchEvent sencha-touch-all-debug.js:22349
Ext.define.dispatchEvent sencha-touch-all-debug.js:22330
Ext.define.doFireEvent sencha-touch-all-debug.js:26577
Ext.define.fireAction sencha-touch-all-debug.js:26566
(anonymous function) sencha-touch-all-debug.js:27246
Ext.define.config.listeners.activeitemchange /myapp/app/view/myTab.js?_dc=1365571204916:38
Ext.define.doFire sencha-touch-all-debug.js:17322
Ext.define.fire sencha-touch-all-debug.js:17249
Ext.define.doDispatchEvent sencha-touch-all-debug.js:22349
Ext.define.dispatchEvent sencha-touch-all-debug.js:22330
Ext.define.doFireEvent sencha-touch-all-debug.js:26577
Ext.define.fireAction sencha-touch-all-debug.js:26566
(anonymous function) sencha-touch-all-debug.js:27246
Ext.define.doTabChange sencha-touch-all-debug.js:76619
Ext.define.doFire sencha-touch-all-debug.js:17322
Ext.define.fire sencha-touch-all-debug.js:17249
Ext.define.doDispatchEvent sencha-touch-all-debug.js:22349
Ext.define.dispatch sencha-touch-all-debug.js:58971
Ext.define.publish sencha-touch-all-debug.js:59031
Ext.define.doFire sencha-touch-all-debug.js:17322
Ext.define.fire sencha-touch-all-debug.js:17249
Ext.define.doDispatchEvent sencha-touch-all-debug.js:22349
Ext.define.dispatchEvent sencha-touch-all-debug.js:22330
Ext.define.doFireEvent sencha-touch-all-debug.js:26577
Ext.define.fireAction sencha-touch-all-debug.js:26566
(anonymous function) sencha-touch-all-debug.js:27246
Ext.define.onTabTap sencha-touch-all-debug.js:76344
Ext.define.doFire sencha-touch-all-debug.js:17322
Ext.define.fire sencha-touch-all-debug.js:17249
Ext.define.doDispatchEvent sencha-touch-all-debug.js:22349
Ext.define.dispatch sencha-touch-all-debug.js:58971
Ext.define.publish sencha-touch-all-debug.js:59031
Ext.define.doFire sencha-touch-all-debug.js:17322
Ext.define.fire sencha-touch-all-debug.js:17249
Ext.define.doDispatchEvent sencha-touch-all-debug.js:22349
Ext.define.dispatchEvent sencha-touch-all-debug.js:22330
Ext.define.doFireEvent sencha-touch-all-debug.js:26577
Ext.define.fireAction sencha-touch-all-debug.js:26566
Ext.define.onTap sencha-touch-all-debug.js:56146
Ext.define.doFire sencha-touch-all-debug.js:17322
Ext.define.fire sencha-touch-all-debug.js:17249
Ext.define.doDispatchEvent sencha-touch-all-debug.js:22349
Ext.define.dispatch sencha-touch-all-debug.js:17687
Base.implement.callParent sencha-touch-all-debug.js:4516
Ext.define.dispatch sencha-touch-all-debug.js:23074
Ext.define.doPublish sencha-touch-all-debug.js:23116
Ext.define.publish sencha-touch-all-debug.js:23081
Base.implement.callParent sencha-touch-all-debug.js:4516
Ext.define.publish sencha-touch-all-debug.js:23473
Ext.define.onRecognized sencha-touch-all-debug.js:23457
Ext.define.fire sencha-touch-all-debug.js:17748
Ext.define.onTouchEnd sencha-touch-all-debug.js:24429
Ext.define.invokeRecognizers sencha-touch-all-debug.js:23523
Ext.define.onTouchEnd sencha-touch-all-debug.js:23672
override.processEvent sencha-touch-all-debug.js:23744
Ext.define.onEvent sencha-touch-all-debug.js:23350
Base.implement.callParent sencha-touch-all-debug.js:4516
override.onEvent sencha-touch-all-debug.js:23740
(anonymous function) sencha-touch-all-debug.js:3128
这是我的标签面板
    Ext.define('myapp.view.myTab', {
    extend : 'Ext.TabPanel',
    xtype : 'mytab',
    requires : [ 'myapp.view.FirstTab', 'myapp.view.SecondTab',
            'myapp.view.ThirdTab', 'myapp.view.FourthTab' ],
    id : 'mytab',
    config : {
        fullscreen : true,
        tabBarPosition : 'bottom',
        ui: 'myUI',
        items : [ {
            xtype : 'firsttab',
            iconCls : 'broadcast',
            title : 'first tab'
        }, {
            xtype : 'secondtab',
            iconCls : 'user_fave',
            title : 'second tab'
        },{
            xtype : 'thirdtab',
            iconCls : 'user3',
            title : 'third tab'
        },{
            xtype : 'fourthtab',
            iconCls : 'address_book',
            title : 'Contacts',
            id : 'Fourth Tab'
        } ],
        listeners : {
            activeitemchange : function() {
                var token = localStorage.token;
                if (token == undefined || token == '') {
                    this.setActiveItem(0);
                    // this.getAt(0).setActiveItem('firsttab');
                }
            }
        }
    }
});