/**
* Method to handle the line event update
*
* @param e the line event
*/
public void update(LineEvent e) {
if (e.getType().equals(LineEvent.Type.CLOSE)) {
playBtn.setEnabled(true);
stopBtn.setEnabled(false);
pauseBtn.setEnabled(false);
if (wavePanel.moreZoomInScope()) {
playSelectionBtn.setEnabled(true);
zoomInBtn.setEnabled(true);
}
if (wavePanel.moreZoomOutScope()) zoomOutBtn.setEnabled(true);
isPlaying = false;
playSelClicked = 0;
}
}
private void handleZoomOut() {
wavePanel.zoomOut();
}
/** Method to handle a zoom in */
private void handleZoomIn() {
wavePanel.zoomIn();
}
private void makeSoundVis() {
wavePanel = new WavePanel();
wavePanel.setPreferredSize(new Dimension(frameWidth, waveHeight));
wavePanel.setSize(wavePanel.getPreferredSize());
makeOverView();
}
////////////// methods to create the interactive visualizer ////////////////////////
private void createMainFrame() {
mainFrame = new JFrame();
mainFrame.setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);
Container contentPane = mainFrame.getContentPane();
// contentPane.setLayout(new BorderLayout());
// creates the control panel
controlPanel = new JPanel(null);
controlPanel.setLayout(new FlowLayout());
makeSoundVis();
mainFrame.addComponentListener(new ResizeHandler());
// setting up the play sound button
playBtn = new JButton("Play");
playBtn.setEnabled(true);
playBtn.setToolTipText("Play the sound");
playBtn.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent event) {
stopBtn.setEnabled(true);
pauseBtn.setEnabled(true);
playBtn.setEnabled(false);
playSelectionBtn.setEnabled(false);
zoomInBtn.setEnabled(false);
zoomOutBtn.setEnabled(false);
isPlaying = true;
myHelper.play();
}
});
controlPanel.add(playBtn);
// setting up the play selection button
playSelectionBtn = new JButton("Play Selection");
playSelectionBtn.setEnabled(false);
playSelectionBtn.setToolTipText("Play sound between start and stop index");
playSelectionBtn.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent event) {
playSelClicked++;
stopBtn.setEnabled(true);
pauseBtn.setEnabled(true);
playSelectionBtn.setEnabled(false);
playBtn.setEnabled(false);
zoomInBtn.setEnabled(false);
zoomOutBtn.setEnabled(false);
isPlaying = false;
if (playSelClicked == 1) {
myHelper.playInRange(
wavePanel.getSelectionStartSample(), wavePanel.getSelectionEndSample());
} else {
myHelper.play();
}
}
});
controlPanel.add(playSelectionBtn);
// setting up the stop button
stopBtn = new JButton("Stop");
stopBtn.setEnabled(false);
stopBtn.setToolTipText("Stop playing the sound");
stopBtn.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent event) {
myHelper.stop();
stopBtn.setEnabled(false);
pauseBtn.setEnabled(false);
playBtn.setEnabled(true);
if (wavePanel.moreZoomInScope()) {
zoomInBtn.setEnabled(true);
playSelectionBtn.setEnabled(true);
}
if (wavePanel.moreZoomOutScope()) {
zoomOutBtn.setEnabled(true);
}
playSelClicked = 0;
isPlaying = false;
}
});
controlPanel.add(stopBtn);
// setting up the stop button
pauseBtn = new JButton("Pause");
pauseBtn.setEnabled(false);
pauseBtn.setToolTipText("Pause the sound");
pauseBtn.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent event) {
myHelper.pause();
if (isPlaying) {
playBtn.setEnabled(true);
} else {
playSelectionBtn.setEnabled(true);
}
}
});
controlPanel.add(pauseBtn);
// setting up the zoom button
zoomInBtn = new JButton("Zoom In");
zoomInBtn.setEnabled(false);
zoomInBtn.setToolTipText("Click to see the samples within your selection");
zoomInBtn.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent event) {
handleZoomIn();
}
});
controlPanel.add(zoomInBtn);
// setting up the zoom button
zoomOutBtn = new JButton("Zoom Out");
zoomOutBtn.setEnabled(false);
zoomOutBtn.setToolTipText("Click to zoom out");
zoomOutBtn.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent event) {
handleZoomOut();
}
});
controlPanel.add(zoomOutBtn);
controlPanel.setBounds(0, controlLocY, frameWidth, controlHeight);
contentPane.add(controlPanel);
contentPane.add(wavePanel);
contentPane.add(overViewPanel);
wavePanel.setBounds(0, waveLocY, frameWidth, waveHeight);
// controlPanel.removeAll();
// controlPanel.setBackground(Color.CYAN);
mainFrame.setSize(frameWidth, frameHeight);
overViewPanel.init();
wavePanel.init();
//
// mainFrame.pack();
// mainFrame.setResizable(false);
// mainFrame.validate();
mainFrame.setVisible(true);
overViewPanel.setBounds(0, 0, frameWidth, overViewHeight);
// mainFrame.validate();
}
// When length of data changes, etc.
public void zoomReset() {
wavePanel.zoomReset();
}
/*
* zoom to a range
*/
public void zoomTo(int begin, int end) {
wavePanel.zoomTo(begin, end);
}
/*
* This method is called to refresh the visualization and optionally update
* the byte array in helper with the current content of the integer arraylist.
*/
public void refresh(boolean updateData) {
wavePanel.refresh(updateData);
overViewPanel.refresh();
}