mainframe.java~4~

java小例程2

package jvideodemo1;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.media.*;
import java.io.*;

public class MainFrame extends JFrame implements ControllerListener{
  private JPanel contentPane;
  private BorderLayout borderLayout1 = new BorderLayout();

  Component vc = null;
  Player player = null;


  //Construct the frame
  public MainFrame() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }

  public MainFrame(String mediaURL){
    this();

    try{
      player = Manager.createPlayer(new MediaLocator(mediaURL));

    }catch(IOException err){
      terminate("Could not find the player");

    }catch(NoPlayerException err){
      terminate("Could not create the player");
    }

    if(player==null){
      terminate("Could not create the player");

    }
    player.addControllerListener(this);
    player.prefetch();

  }
  //Component initialization
  private void jbInit() throws Exception  {
    //setIconImage(Toolkit.getDefaultToolkit().createImage(MainFrame.class.getResource("[Your Icon]")));
    contentPane = (JPanel) this.getContentPane();
    contentPane.setLayout(borderLayout1);
    this.setSize(new Dimension(400, 300));
    this.setTitle("JVideoDemo1");
  }
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }

  public void controllerUpdate(ControllerEvent e){
    if (e instanceof ControllerClosedEvent){
      System.exit(0);
    }
    if (e instanceof EndOfMediaEvent){
      player.setMediaTime(new Time(0));
      player.start();
      return;
    }
    if (e instanceof PrefetchCompleteEvent){
      player.start();
      return;
    }
    if (e instanceof RealizeCompleteEvent){
      vc = player.getVisualComponent();
      if (vc!=null)
        this.getContentPane().add(vc);
      this.pack();
      this.setResizable(false);
      this.setVisible(true);

    }
  }

  private void terminate(String str){
    System.out.println(str);
    System.exit(-1);
  }
}