package jvideosystem;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.media.*;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.net.MalformedURLException;
import java.net.*;
/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2006</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class JVideoPlayerFrame extends JFrame   implements ControllerListener{
  JPanel contentPane;
  JMenuBar jMenuBar1 = new JMenuBar();
  JMenu jMenuFileexit = new JMenu();
  JMenu jMenuHelp = new JMenu();
  JMenuItem jMenuHelpAbout = new JMenuItem();
  BorderLayout borderLayout1 = new BorderLayout();
  JLabel jLabel1 = new JLabel();
  JPanel jPanelVideo = new JPanel();
  BorderLayout borderLayout2 = new BorderLayout();
  JMenuItem jMenuFileopen = new JMenuItem();
  JMenu jMenu1 = new JMenu();
  JMenuItem jMenuItem1 = new JMenuItem();
  JMenuItem jMenuItem2 = new JMenuItem();
URL url;
  Player player;
  //Component visualcom，controlcom；
      Component visualcom,controlcom;
  //boolean first=true，loop=false；
      boolean first=true,loop=false;
  //String currentDirectory；
      String currentDirectory;
 // FileDialog fd;
  FileDialog fd;





  //Construct the frame
  public JVideoPlayerFrame() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    contentPane = (JPanel) this.getContentPane();
    contentPane.setLayout(borderLayout1);
    this.setResizable(false);
    this.setSize(new Dimension(400, 300));
    this.setTitle("Java媒體播放器");
    jMenuFileexit.setText("文件");
    jMenuHelp.setText("幫助");
    jMenuHelpAbout.setText("關于");
    jMenuHelpAbout.addActionListener(new JVideoPlayerFrame_jMenuHelpAbout_ActionAdapter(this));
    jLabel1.setOpaque(true);
    jLabel1.setToolTipText("狀態(tài)欄");
    jLabel1.setText("Java 視頻播放系統(tǒng)");
    jPanelVideo.setLayout(borderLayout2);
    jPanelVideo.setOpaque(true);
    jPanelVideo.setToolTipText("視頻窗口");
    jMenuFileopen.setText("打開");
    jMenuFileopen.addActionListener(new JVideoPlayerFrame_jMenuFileopen_actionAdapter(this));
    jMenu1.setText("播放");
    jMenuItem1.setText("循環(huán)播放");
    jMenuItem1.addActionListener(new JVideoPlayerFrame_jMenuItem1_actionAdapter(this));
    jMenuItem2.setText("退出");
    jMenuItem2.addActionListener(new JVideoPlayerFrame_jMenuItem2_actionAdapter(this));
    jMenuFileexit.add(jMenuFileopen);
    jMenuFileexit.add(jMenuItem2);
    jMenuHelp.add(jMenuHelpAbout);
    jMenuBar1.add(jMenuFileexit);
    jMenuBar1.add(jMenuHelp);
    jMenuBar1.add(jMenu1);
    contentPane.add(jLabel1,  BorderLayout.SOUTH);
    contentPane.add(jPanelVideo, BorderLayout.CENTER);
    jMenu1.add(jMenuItem1);
    this.setJMenuBar(jMenuBar1);
  }
  //File | Exit action performed
  public void jCheckBoxMenultem_loop_actionPerformed(ActionEvent e) {
    System.exit(0);
  }
  //Help | About action performed
  public void jMenuHelpAbout_actionPerformed(ActionEvent e) {
    JVideoPlayerFrame_AboutBox dlg = new JVideoPlayerFrame_AboutBox(this);
    Dimension dlgSize = dlg.getPreferredSize();
    Dimension frmSize = getSize();
    Point loc = getLocation();
    dlg.setLocation((frmSize.width - dlgSize.width) / 2 + loc.x, (frmSize.height - dlgSize.height) / 2 + loc.y);
    dlg.setModal(true);
    dlg.pack();
    dlg.show();
  }
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      jCheckBoxMenultem_loop_actionPerformed(null);
    }
  }



  void jMenuFileopen_actionPerformed(ActionEvent e) {

    FileDialog fd = new FileDialog(this, "打開媒體文件", FileDialog.LOAD);
    fd.setDirectory(currentDirectory);
    fd.show();
    if(fd.getFile()==null)
      return;
 currentDirectory=fd.getDirectory();
 if(player!=null)
   player.close();

 try{

    player=Manager.createPlayer(new MediaLocator("file:"+fd.getDirectory()+fd.getFile()));

   }

    catch(Exception e2){
  System.out.println(e2);
  return;
}

if (player==null){

      System.out.println("無法創(chuàng)建播放器");
return;}
first=false;

//設置主界面的標題為媒體文件的目錄名加上文件名
    this.setTitle("播放文件位置"+fd.getDirectory()+fd.getFile());
//將JVideoPlayerFrame對象注冊為來自JMF播放器對象的控制器事件的動作監(jiān)聽器
player.addControllerListener(this);

//最后，讓JMF播放器對象預先提取媒體文件的內(nèi)容
player.prefetch();





  }

public void  controllerUpdate(ControllerEvent e){
    if (e instanceof ControllerClosedEvent){
    //如果視覺部件還存在
    if(visualcom != null) {
    //從jPanelVideo面板中刪除該視覺部件
    jPanelVideo.remove(visualcom);
    visualcom = null;

    }
    //如果控制面板部件還存在
    if(controlcom !=null) {
    //從jPanelVideo面板中刪除該控制面板部件
    jPanelVideo.remove(controlcom);
    controlcom =null;
    }
   return;
    }
//當媒體播放結束時
    if(e instanceof EndOfMediaEvent){
    //如果帶檢查框的“循環(huán)播放”菜單項被選中
    if(loop) {
    //復位JMF播放器對象的開始時間
    player.setMediaTime(new Time(0));
    //讓JMF播放器對象重新播放媒體
   player.start();
   }
   return;
    }
//如果預取媒體文件內(nèi)容結束時
    if (e instanceof PrefetchCompleteEvent) {
    //讓JMF播放器對象開始播放該媒體
   player.start();
//reEurn;
    }
//當實例化(Realize)媒體文件完成時
    if(e instanceof RealizeCompleteEvent) {
    //獲取JMF播放器對象的視覺部件
    visualcom =player.getVisualComponent();
    //如果視覺部件存在
    if(visualcom !=null)
    //將視覺部件加入到jPanelVideo面板的中央
    jPanelVideo.add(visualcom,BorderLayout.CENTER);
//獲取JMF播放器對象的控制面板部件
   controlcom =player.getControlPanelComponent();
//如果控制面板部件存在
   if(controlcom !=null)
    //將控制面板部件加入到jPanelVideo面板的底端
   jPanelVideo.add(controlcom,BorderLayout.SOUTH);
//執(zhí)行pack操作
   this.pack();
   }


}






void jMenuItem2_actionPerformed(ActionEvent e) {

    dispose();
    return;


  }

  void jMenuItem1_actionPerformed(ActionEvent e) {
loop =!loop;
  }

}


class JVideoPlayerFrame_jMenuHelpAbout_ActionAdapter implements ActionListener {
  JVideoPlayerFrame adaptee;

  JVideoPlayerFrame_jMenuHelpAbout_ActionAdapter(JVideoPlayerFrame adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jMenuHelpAbout_actionPerformed(e);
  }
}

class JVideoPlayerFrame_jMenuFileopen_actionAdapter implements java.awt.event.ActionListener {
  JVideoPlayerFrame adaptee;

  JVideoPlayerFrame_jMenuFileopen_actionAdapter(JVideoPlayerFrame adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jMenuFileopen_actionPerformed(e);
  }
}

class JVideoPlayerFrame_jMenuItem2_actionAdapter implements java.awt.event.ActionListener {
  JVideoPlayerFrame adaptee;

  JVideoPlayerFrame_jMenuItem2_actionAdapter(JVideoPlayerFrame adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jMenuItem2_actionPerformed(e);
  }
}

class JVideoPlayerFrame_jMenuItem1_actionAdapter implements java.awt.event.ActionListener {
  JVideoPlayerFrame adaptee;

  JVideoPlayerFrame_jMenuItem1_actionAdapter(JVideoPlayerFrame adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jMenuItem1_actionPerformed(e);
  }
}