com.objetdirect.gwt.gen.client.ui.MainController.java Source code

Introduction

Here is the source code for com.objetdirect.gwt.gen.client.ui.MainController.java

Source

/*
 * This file is part of the Gwt-Generator project and was written by Raphal Brugier <raphael dot brugier at gmail dot com > for Objet Direct
 * <http://wwww.objetdirect.com>
 * 
 * Copyright  2010 Objet Direct
 * 
 * Gwt-Generator is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later version.
 * 
 * Gwt-Generator is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License along with Gwt-Generator. If not, see <http://www.gnu.org/licenses/>.
 */
package com.objetdirect.gwt.gen.client.ui;

import com.google.gwt.event.shared.HandlerManager;
import com.google.gwt.user.client.ui.RootLayoutPanel;
import com.objetdirect.gwt.gen.client.GwtGenerator;
import com.objetdirect.gwt.gen.client.ui.popup.ErrorToaster;
import com.objetdirect.gwt.gen.client.ui.popup.MessageToaster;
import com.objetdirect.gwt.gen.client.ui.welcome.WelcomePanel;

/**
 * Main controller.
 * @author Raphael Brugier (raphael-dot-brugier.at.gmail'dot'com)
 */
public class MainController {

    private WelcomePanel welcomePanel;
    private AppPresenter appPresenter;

    private final HandlerManager eventBus;

    public MainController() {
        eventBus = new HandlerManager(null);
        doGoToHomeScreen();
    }

    /** Request to return to the home screen.
     *  Home screens means welcome screen if the user is not logged or
     *  explorer screen if the user is already logged
     */
    private void doGoToHomeScreen() {
        RootLayoutPanel.get().clear();
        MessageToaster.intantiateAndAttach();
        ErrorToaster.intantiateAndAttach();

        if (GwtGenerator.loginInfo.isLoggedIn()) {
            if (appPresenter == null) {
                appPresenter = new AppPresenter(eventBus, new AppView(), GwtGenerator.loginInfo);
            }
            appPresenter.go(RootLayoutPanel.get());
        } else {
            if (welcomePanel == null) {
                welcomePanel = new WelcomePanel(eventBus, GwtGenerator.loginInfo.getLoginUrl());
            }
            welcomePanel.go(RootLayoutPanel.get());
        }
    }
}