BeatBoxSaveOnlypublic class BeatBoxSaveOnly extends Object
| Fields Summary |
|---|
| JPanel | mainPanel | | ArrayList | checkboxList | | Sequencer | sequencer | | Sequence | sequence | | Sequence | mySequence | | Track | track | | JFrame | theFrame | | String[] | instrumentNames | | int[] | instruments |
| Methods Summary |
|---|
| public void | buildGUI()
theFrame = new JFrame("Cyber BeatBox");
theFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
BorderLayout layout = new BorderLayout();
JPanel background = new JPanel(layout);
background.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
checkboxList = new ArrayList<JCheckBox>();
Box buttonBox = new Box(BoxLayout.Y_AXIS);
JButton start = new JButton("Start");
start.addActionListener(new MyStartListener());
buttonBox.add(start);
JButton stop = new JButton("Stop");
stop.addActionListener(new MyStopListener());
buttonBox.add(stop);
JButton upTempo = new JButton("Tempo Up");
upTempo.addActionListener(new MyUpTempoListener());
buttonBox.add(upTempo);
JButton downTempo = new JButton("Tempo Down");
downTempo.addActionListener(new MyDownTempoListener());
buttonBox.add(downTempo);
JButton saveIt = new JButton("Serialize It"); // new button
saveIt.addActionListener(new MySendListener());
buttonBox.add(saveIt);
JButton restore = new JButton("Restore"); // new button
restore.addActionListener(new MyReadInListener());
buttonBox.add(restore);
Box nameBox = new Box(BoxLayout.Y_AXIS);
for (int i = 0; i < 16; i++) {
nameBox.add(new Label(instrumentNames[i]));
}
background.add(BorderLayout.EAST, buttonBox);
background.add(BorderLayout.WEST, nameBox);
theFrame.getContentPane().add(background);
GridLayout grid = new GridLayout(16,16);
grid.setVgap(1);
grid.setHgap(2);
mainPanel = new JPanel(grid);
background.add(BorderLayout.CENTER, mainPanel);
for (int i = 0; i < 256; i++) {
JCheckBox c = new JCheckBox();
c.setSelected(false);
checkboxList.add(c);
mainPanel.add(c);
} // end loop
setUpMidi();
theFrame.setBounds(50,50,300,300);
theFrame.pack();
theFrame.setVisible(true);
| | public void | buildTrackAndStart()
// this will hold the instruments for each vertical column,
// in other words, each tick (may have multiple instruments)
int[] trackList = null;
sequence.deleteTrack(track);
track = sequence.createTrack();
for (int i = 0; i < 16; i++) {
trackList = new int[16];
int key = instruments[i];
for (int j = 0; j < 16; j++ ) {
JCheckBox jc = (JCheckBox) checkboxList.get(j + (16*i));
if ( jc.isSelected()) {
trackList[j] = key;
} else {
trackList[j] = 0;
}
} // close inner
makeTracks(trackList);
} // close outer
track.add(makeEvent(192,9,1,0,15)); // - so we always go to full 16 beats
try {
sequencer.setSequence(sequence);
sequencer.setLoopCount(sequencer.LOOP_CONTINUOUSLY);
sequencer.start();
sequencer.setTempoInBPM(120);
} catch(Exception e) {e.printStackTrace();}
| | public static void | main(java.lang.String[] args)
new BeatBoxSaveOnly().buildGUI();
| | public javax.sound.midi.MidiEvent | makeEvent(int comd, int chan, int one, int two, int tick)
MidiEvent event = null;
try {
ShortMessage a = new ShortMessage();
a.setMessage(comd, chan, one, two);
event = new MidiEvent(a, tick);
}catch(Exception e) { }
return event;
| | public void | makeTracks(int[] list)
for (int i = 0; i < 16; i++) {
int key = list[i];
if (key != 0) {
track.add(makeEvent(144,9,key, 100, i));
track.add(makeEvent(128,9,key, 100, i + 1));
}
}
| | public void | setUpMidi()
try {
sequencer = MidiSystem.getSequencer();
sequencer.open();
// sequencer.addMetaEventListener(this);
sequence = new Sequence(Sequence.PPQ,4);
track = sequence.createTrack();
sequencer.setTempoInBPM(120);
} catch(Exception e) {e.printStackTrace();}
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