// File: SoundApp.java
// T Balls : Jan 2000
// Sound Application to demonstrate Java-2
// sound capabilities

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.applet.*;
import java.io.*;
import java.net.*;

public class SoundApp extends JFrame
{	public SoundApp()
	{  setTitle( "Sound Application" );
	
	   JMenuBar mb = new JMenuBar();
	   this.setJMenuBar( mb );
	   JMenu f = new JMenu( "File" );
	   mb.add( f );
	   JMenuItem open = new JMenuItem( "Open" );
   	   open.addActionListener( new ActionListener() {
   	      public void actionPerformed( ActionEvent e )
   	      {  getFile();
	            SoundApp.this.repaint(); // messy!
	         }
   		});  
	   JMenuItem exit = new JMenuItem( "Exit" );
   	   exit.addActionListener( new ActionListener() {
   	      public void actionPerformed( ActionEvent e )
   	      {	dispose();
   				System.exit(0);
   			}
   		});  
	   f.add( open );
	   f.add( new JSeparator() );
	   f.add( exit );
	   
	   this.getContentPane().add( url, BorderLayout.NORTH );	   
	      url.addActionListener( new ActionListener(){
	         public void actionPerformed( ActionEvent e )
	         {  getAudioClip();
	         }
	      });
	   
	
	   JPanel buttons = new JPanel();
	   this.getContentPane().add( buttons, BorderLayout.SOUTH );
	   JButton play = new JButton( "Play" );
	      play.addActionListener( new ActionListener(){
	         public void actionPerformed( ActionEvent e )
	         { if( clip != null );
	              clip.play();
	         }
	      });
   	   buttons.add( play );
	   JButton loop = new JButton( "Loop" );
	      loop.addActionListener( new ActionListener(){
	         public void actionPerformed( ActionEvent e )
	         { if( clip != null );
	              clip.loop();	         
	         }
	      });
	      buttons.add( loop );
	   JButton stop = new JButton( "Stop" );
	      stop.addActionListener( new ActionListener(){
	         public void actionPerformed( ActionEvent e )
	         { if( clip != null );
	              clip.stop();	        
	         }
	      });
	      buttons.add( stop );
	
		this.addWindowListener( new WindowAdapter(){
			public void windowClosing(WindowEvent e)
			{	dispose();
				System.exit(0);
			}
		});
	}
	
	private JTextField url = new JTextField();
	private AudioClip clip = null;
	
	private File file = null;
	private void getFile()
	{  JFileChooser fc = new JFileChooser( new File( "." ) );
	   fc.setDialogType( JFileChooser.OPEN_DIALOG );
	   fc.setDialogTitle( "Choose a sound file: " );
	   int result = fc.showOpenDialog( this );
	   if( result == JFileChooser.CANCEL_OPTION )
	   {  file = null;
	   }
	   else
	   {  file = fc.getSelectedFile();
	   }
	   url.setText( "file:./" + file.getName() );
	   getAudioClip();
	}
	
	// Use text in url to load the clip
	private void getAudioClip()
	{  try
      {  clip = Applet.newAudioClip( new URL( url.getText() ) );
      }
      catch( Exception e )
      {  e.printStackTrace();
         clip = null;
      }
	}
	
	
	
	public static void main(String args[])
	{
		System.out.println("Starting Sound Application");
		SoundApp f = new SoundApp();
		f.pack();
		f.setVisible( true );
	}
}