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@akinsella
Last active Apr 13, 2022
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SWT Music Player
import java.io.File;
import java.io.FileFilter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Properties;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.SourceDataLine;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.DirectoryDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;
/*
* Created on 26 juil. 2005
*
* TODO To change the template for this generated file go to
* Window – Preferences – Java – Code Style – Code Templates
*/
/**
* @author Alexis Kinsella
*
* TODO To change the template for this generated type comment go to
* Window – Preferences – Java – Code Style – Code Templates
*/
public class MusicPlayer {
private static boolean isPlaying = false;
private static StoppableThread st;
private static Shell shell;
private static Display display;
private static Button btnPlay;
private static org.eclipse.swt.widgets.List l;
private static File[] fileLists;
private static Button btnNext;
private static Button btnPrevious;
private static Image play;
private static Image stop;
private static Image previous;
private static Image next;
private static Image app;
public static void centerOnFirstScreen(Shell shell) {
Point shellSize = shell.getSize();
Rectangle monitorBounds = shell.getDisplay().getMonitors()[0].getBounds();
shell.setLocation(monitorBounds.x + (monitorBounds.widthshellSize.x) / 2, monitorBounds.y + (monitorBounds.heightshellSize.y) / 2);
}
public static void main(String[] args) {
try {
display = new Display();
play = new Image(display, MusicPlayer.class.getResourceAsStream(“/res/icon / media_play_green.png”));
stop = new Image(display, MusicPlayer.class.getResourceAsStream(“/res/icon / media_stop.png”));
next = new Image(display, MusicPlayer.class.getResourceAsStream(“/res/icon / media_fast_forward.png”));
previous = new Image(display, MusicPlayer.class.getResourceAsStream(“/res/icon / media_rewind.png”));
app = new Image(display, MusicPlayer.class.getResourceAsStream(“/res/icon / music.ico”));
shell = new Shell();
shell.setText(“MusicPlayer”);
shell.setImage(app);
shell.setBounds(0, 0, 500, 600);
Menu mb = new Menu(shell, SWT.BAR);
MenuItem fileMI = new MenuItem(mb, SWT.CASCADE);
fileMI.setText(“Fichiers”);
Menu fileM = new Menu(fileMI);
fileMI.setMenu(fileM);
MenuItem aboutMI = new MenuItem(fileM, SWT.PUSH);
aboutMI.setText(“A propos”);
aboutMI.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
MessageBox mb = new MessageBox(shell);
mb.setText(“A propos”);
mb.setMessage(“Auteur: Alexis Kinsellan“ + “Mail: alexiskinsella @free.frn“ + “Date: 27 / 07 / 2005”);
mb.open();
}
});
new MenuItem(fileM, SWT.SEPARATOR);
MenuItem quitMI = new MenuItem(fileM, SWT.PUSH);
quitMI.setText(“Quitter”);
quitMI.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
stop();
shell.dispose();
}
});
shell.setMenuBar(mb);
centerOnFirstScreen(shell);
shell.setLayout(LayoutUtil.createGridLayout(3, 5, 5, 5, 5, false));
l = WidgetUtil.createList(shell, LayoutUtil.createGridData(SWT.FILL, SWT.FILL, SWT.DEFAULT, SWT.DEFAULT, 3, SWT.DEFAULT), SWT.FLAT | SWT.BORDER | SWT.V_SCROLL);
btnPlay = WidgetUtil.createButton(shell, “Play”, LayoutUtil.createGridData(SWT.FILL, SWT.DEFAULT), SWT.PUSH);
btnPlay.setImage(play);
btnPrevious = WidgetUtil.createButton(shell, “ < < ”, LayoutUtil.createGridData(SWT.FILL, SWT.DEFAULT), SWT.PUSH);
btnPrevious.setImage(previous);
btnNext = WidgetUtil.createButton(shell, “ >> ”, LayoutUtil.createGridData(SWT.FILL, SWT.DEFAULT), SWT.PUSH);
btnNext.setImage(next);
File conf = new File(“conf”);
conf.mkdirs();
Properties props = new Properties();
File configFile = new File(conf.getAbsolutePath() + File.separatorChar + “MusicPlayer.conf”);
String lastOpenedFolder = null;
if (configFile.exists()) {
if (!configFile.isFile()) throw new Exception(“Effacez le dossier conf, il y a un problème avec!Relancez ensuite lapplication”);
try {
props.load(new FileInputStream(configFile));
if (props.containsKey(“lastOpenedFolder”)) lastOpenedFolder = (String) props.get(“lastOpenedFolder”);
} catch (Exception e) {
e.printStackTrace();
}
}
DirectoryDialog dd = new DirectoryDialog(shell, SWT.SINGLE);
if (lastOpenedFolder != null && new File(lastOpenedFolder).exists()) dd.setFilterPath(lastOpenedFolder);
String result = dd.open();
if (result == null) {
shell.dispose();
display.dispose();
return;
}
props.setProperty(“lastOpenedFolder”, result);
props.store(new FileOutputStream(configFile), new Date().toString());
shell.addListener(SWT.Dispose, new Listener() {
public void handleEvent(Event event) {
if (play != null) play.dispose();
if (stop != null) stop.dispose();
if (next != null) next.dispose();
if (previous != null) previous.dispose();
if (app != null) app.dispose();
}
});
fileLists = new File(result).listFiles(new FileFilter() {
public boolean accept(File pathname) {
return pathname.isFile() && pathname.getName().toLowerCase().endsWith(“.mp3”);
}
});
btnPlay.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
isPlaying = !isPlaying;
btnPlay.setImage(isPlaying ? stop : play);
if (fileLists.length < = 0) return;
if (!isPlaying) stop();
else play(fileLists[l.getSelectionIndex()]);
}
});
btnPrevious.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
isPlaying = true;
btnPlay.setImage(stop);
previous();
}
});
btnNext.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
isPlaying = true;
btnPlay.setImage(stop);
next();
}
});
l.addListener(SWT.DefaultSelection, new Listener() {
public void handleEvent(Event event) {
stop();
isPlaying = true;
btnPlay.setImage(stop);
play(fileLists[l.getSelectionIndex()]);
l.setTopIndex(l.getSelectionIndex());
}
});
shell.addListener(SWT.Close, new Listener() {
public void handleEvent(Event event) {
stop();
}
});
List l2 = new ArrayList();
for (int i = 0; i < fileLists.length; i++) {
l2.add(fileLists[i]);
}
List l1 = new ArrayList();
int length = l2.size();
while (length > 0) {
l1.add(l2.remove((int)(Math.random() * length)));
length—;
}
fileLists = (File[]) l1.toArray(fileLists);
Iterator it = l1.iterator();
while (it.hasNext()) {
File file1 = (File) it.next();
l.add(file1.getName());
}
l.select(0);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
} catch (Exception e) {
if (shell != null) shell.dispose();
if (display != null) display.dispose();
System.exit(1);
}
}
/**
* @param file
*/
protected static void play(final File file) {
shell.setText(“Music player–“ + file.getName());
st = new StoppableThread() {
public void run() {
AudioInputStream din = null;
try {
AudioInputStream in = AudioSystem.getAudioInputStream(file);
AudioFormat baseFormat = in .getFormat();
AudioFormat decodedFormat = new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED,
baseFormat.getSampleRate(), 16, baseFormat.getChannels(),
baseFormat.getChannels() * 2, baseFormat.getSampleRate(),
false);
din = AudioSystem.getAudioInputStream(decodedFormat, in );
DataLine.Info info = new DataLine.Info(SourceDataLine.class, decodedFormat);
SourceDataLine line = (SourceDataLine) AudioSystem.getLine(info);
if (line != null) {
line.open(decodedFormat);
byte[] data = new byte[16384];
// Start
line.start();
System.out.println(file.getName() + ”(“+file.getAbsolutePath() + “)”);
int nBytesRead;
while ((nBytesRead = din.read(data, 0, data.length)) != -1) {
if (shouldStop()) break;
line.write(data, 0, nBytesRead);
}
// Stop
line.drain();
line.stop();
line.close();
din.close();
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (din != null) {
try {
din.close();
} catch (IOException e) {}
}
}
din = null;
if (!shouldStop()) next();
}
};
st.setPriority(Thread.MAX_PRIORITY);
st.start();
}
private static void previous() {
display.asyncExec(
new Runnable() {
public void run() {
stop();
isPlaying = true;
btnPlay.setImage(stop);
int size = l.getItemCount();
if (l.getSelectionIndex()– 1 < 0) {
l.select(size1);
l.setTopIndex(l.getSelectionIndex());
play(fileLists[size1]);
} else {
l.select(l.getSelectionIndex()– 1);
l.setTopIndex(l.getSelectionIndex());
play(fileLists[l.getSelectionIndex()]);
}
}
}
);
}
private static void next() {
display.asyncExec(
new Runnable() {
public void run() {
stop();
isPlaying = true;
btnPlay.setImage(stop);
int size = l.getItemCount();
if (l.getSelectionIndex() + 1 >= size) {
l.select(0);
l.setTopIndex(l.getSelectionIndex());
play(fileLists[0]);
} else {
l.select(l.getSelectionIndex() + 1);
l.setTopIndex(l.getSelectionIndex());
play(fileLists[l.getSelectionIndex()]);
}
}
}
);
}
/**
*
*/
protected static void stop() {
if (st != null && st.isAlive()) st.stopThread();
}
}
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akinsella commented Apr 13, 2022

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