нашёл jframe-player, решил сделать japplet :
| Код |
/*
* JApplet_player с кнопками select, play и stop
* <applet code="mplayer" width="640" height="360"></applet>
* javac mplayer.java
*/
import javax.media.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
import java.io.*;
public class mplayer extends JApplet
{
Font f;
JPanel pk, pm, ps;
JButton play, stop, select;
Player mplayer;
URL mediaURL = null;
Component vc;
private static final String SELECT = "SELECT";
private static final String PLAY = "PLAY";
private static final String STOP = "STOP";
public void init()
{
try{SwingUtilities.invokeAndWait(new Runnable(){public void run(){makeGUI();}});}
catch(Exception exc){System.out.println("Can't create, because "+exc);}
}
public void makeGUI()
{
f = new Font("Verdana", Font.BOLD, 22);
setLayout(new BorderLayout());
setBackground(Color.black);
ps = new JPanel(); ps.setBackground(Color.black);
ps.setLayout(new FlowLayout(FlowLayout.RIGHT));
select = new JButton("SELECT"); select.setActionCommand(SELECT);
select.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent ae)
{
if(select.getActionCommand().equals(SELECT))
{
JFileChooser fileChooser = new JFileChooser();
int result = fileChooser.showOpenDialog(null);
if(result == JFileChooser.APPROVE_OPTION)
{
URL mediaURL = null;
try{mediaURL = fileChooser.getSelectedFile().toURL();}
catch ( MalformedURLException malformedURLException ){System.err.println("Can't create URL");}
if (mediaURL != null)
{
JApplet applet = new JApplet();
applet.add(pm);
applet.setVisible(true);
}
}
}
}
});
ps.add(select); add(BorderLayout.NORTH, ps);
pm = new JPanel(); pm.setBackground(Color.white);
pk = new JPanel(); pk.setBackground(Color.black);
pk.setLayout(new FlowLayout(FlowLayout.LEFT));
play = new JButton("PLAY"); play.setActionCommand(PLAY);
play.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent ae)
{
if(play.getActionCommand().equals(PLAY))
{
try
{
final Player mplayer = Manager.createRealizedPlayer(mediaURL);
mplayer.addControllerListener(new ControllerAdapter()
{
public void realizeComplete(RealizeCompleteEvent event)
{
Component vc = mplayer.getVisualComponent();
if(vc != null){pm.add(vc); add(BorderLayout.CENTER, pm);}
mplayer.start();
}
});
}
catch (NoPlayerException noPlayerException){System.err.println("Player not found");}
catch (CannotRealizeException cannotRealizeException){System.err.println("Can't realize player");}
catch (IOException iOException){System.err.println("Error in source");}
}
}
});
stop = new JButton("STOP"); stop.setActionCommand(STOP);
stop.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent ae)
{
if(stop.getActionCommand().equals(STOP))
{
if (vc != null){mplayer.stop();}
}
}
});
pk.add(play); pk.add(stop); add(BorderLayout.SOUTH, pk);
}
public void controllerUpdate(ControllerEvent ce){if(mplayer == null) return;}
public Insets getInsets(){return new Insets(5, 5, 5, 5);}
}
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вроде-бы всё на месте, только - диалоговое окно появляется пустым, не могу понять - в чём дело ? |
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