com.xyz.main.client.mvc.AppController.java Source code

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Here is the source code for com.xyz.main.client.mvc.AppController.java

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/*
 * Ext GWT - Ext for GWT
 * Copyright(c) 2007-2009, Ext JS, LLC.
 * licensing@extjs.com
 * 
 * http://extjs.com/license
 */
package com.xyz.main.client.mvc;

import com.extjs.gxt.ui.client.Registry;
import com.extjs.gxt.ui.client.event.EventType;
import com.extjs.gxt.ui.client.mvc.AppEvent;
import com.extjs.gxt.ui.client.mvc.Controller;
import com.extjs.gxt.ui.client.mvc.Dispatcher;
import com.extjs.gxt.ui.client.widget.MessageBox;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.xyz.main.client.Main;
import com.xyz.main.client.MainServiceAsync;
import com.xyz.resources.client.AppEvents;
import com.xyz.resources.client.i18n.ZkMessages;

public class AppController extends Controller {

    private AppView appView;
    private MainServiceAsync service;

    private ZkMessages msg;

    public AppController() {
        registerEventTypes(AppEvents.Init);
        registerEventTypes(AppEvents.Error);
    }

    public void handleEvent(AppEvent event) {
        EventType type = event.getType();
        if (type == AppEvents.Init) {
            onInit(event);
        } else if (type == AppEvents.Error) {
            onError(event);
        }
    }

    public void initialize() {
        appView = new AppView(this);
        service = (MainServiceAsync) Registry.get(Main.SERVICE);
        msg = (ZkMessages) Registry.get(Main.MESSAGE);
    }

    protected void onError(AppEvent ae) {
        System.out.println("error: " + ae.<Object>getData());
    }

    private void onInit(AppEvent event) {
        forwardToView(appView, event);
        //?????
        Timer timer = new Timer() {
            public void run() {
                service.validateSession(new AsyncCallback<Boolean>() {
                    public void onSuccess(Boolean isSucess) {
                        if (!isSucess) {
                            MessageBox.alert(msg.alert(), "???", null);
                            Window.Location.replace("/zhikebao/index");
                        }
                    }

                    public void onFailure(Throwable caught) {
                        Dispatcher.forwardEvent(AppEvents.Error, caught);
                    }
                });
            }
        };
        timer.scheduleRepeating(1000 * 60 * 5);
    }

}