extjs 回调函数

var win = Ext.create('Ext.window.Window', {
            title: '添加信息',
            resizable: false,
            constrain: true,
            modal: true,
            items: userOper,
            callBack: function (newDis) {
                var rec = { CURE_NAME_CLIENT: newDis.CURE_NAME_CLIENT, DATA_PROBLEMS: newDis.DATA_PROBLEMS, IS_VALID: newDis.IS_VALID, REMARK: newDis.REMARK }; //NUMROW: eid.store.getCount() + 1
                eid.getStore().add(rec);
            },
            listeners: {
                beforeclose: function (t, w) {
                }
            }

        });

save: function () {
        var me = this,
            view = me.getView(),
            window = view.up('window'),
            newDis = me.getViewModel().get('formCureAlternativeCodeListModel');
        if (window.callBack) {
            window.callBack(newDis);
        } else {
            alert('需要callBack');
        }
        me.close();
    },