storeapp.java.svn-base

Store Manager

/*
 * StoreApp.java
 *
 * Created on 2007-5-19, 22:45:11
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package com.studio009.store;

import com.studio009.store.entity.Operator;
import com.studio009.store.ui.LoginJDialog;
import com.studio009.store.ui.MainJFrame;
import com.studio009.store.ui.util.SplashManager;
import com.studio009.store.ui.util.SplashPanel;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.swing.UIManager;
import org.jvnet.substance.SubstanceLookAndFeel;
import org.jvnet.substance.skin.SubstanceBusinessLookAndFeel;
import org.jvnet.substance.theme.SubstanceAquaTheme;
import org.jvnet.substance.watermark.SubstanceMazeWatermark;

/**
 * 应用程序控制类
 *
 * @author wangs
 */
public class StoreApp {
    private static MainJFrame mainJFrame;
    private static EntityManagerFactory emf;
    private static EntityManager em;
    public StoreApp() {
    }
    
    /**
     * 主函数
     * @param args 参数
     */
    public static void main(String[] args){
        try{
            // splash 控制
            String[] messages = new String[] { "正在初始化...", "正在加载皮肤...", "正在加载窗体...", "完成."};
            SplashPanel panel=new SplashPanel();
            SplashManager manager=new SplashManager(panel);
            panel.setMessage(messages[0]);
            panel.setProgress(1);
            manager.repaint();
            
            // 更新splash
            panel.setMessage(messages[1]);
            panel.setProgress(10);
            manager.repaint();
            //Locale.setDefault(Locale.ENGLISH);
            // 设置皮肤主题
            SubstanceLookAndFeel substance = new SubstanceBusinessLookAndFeel();
            UIManager.setLookAndFeel(substance);
            panel.setProgress(30);
            manager.repaint();
            substance.setCurrentTheme(new SubstanceAquaTheme());
            panel.setProgress(50);
            manager.repaint();
            substance.setCurrentWatermark(new SubstanceMazeWatermark());
            
            // 更新splash
            panel.setMessage(messages[2]);
            panel.setProgress(70);
            manager.repaint();
            
            // 初始化登录框
            LoginJDialog lj = new LoginJDialog(null, "admin", true);
            
            // 更新splash
            panel.setMessage(messages[3]);
            panel.setProgress(100);
            manager.repaint();
            try {
                Thread.sleep(500);
            } catch(Exception e) {
                e.printStackTrace();
            }
            
            // 关闭splash
            manager.closeSplash();
            
            // 显示登陆框
            Operator operator = lj.showDilog();
            mainJFrame = new MainJFrame(operator);
            mainJFrame.setVisible(true);
        } catch(Exception e){
            e.printStackTrace();
        }
    }
    /**
     * 终止应用程序
     */
    public static void stopApp() {
        if (mainJFrame != null) mainJFrame.dispose();
        emf.close();
        System.exit(0);
    }
    /**
     * 获取创建实体管理器的工厂
     * @return 实体管理器的工厂
     */
    public static EntityManagerFactory getEntityManagerFactory() {
        if(emf == null) {
            emf = javax.persistence.Persistence.createEntityManagerFactory("storePU");
        }
        return emf;
    }
    
    /**
     * 获取单一的实体管理器
     * @return 单一的实体管理器
     */
    public static EntityManager getSingleEntityManager() {
        if(em == null) {
            em = getEntityManagerFactory().createEntityManager();
        }
        return em;
    }
}