BeatBoxFinalpublic class BeatBoxFinal extends Object
| Fields Summary |
|---|
| JFrame | theFrame | | JPanel | mainPanel | | JList | incomingList | | JTextField | userMessage | | ArrayList | checkboxList | | int | nextNum | | Vector | listVector | | String | userName | | ObjectOutputStream | out | | ObjectInputStream | in | | HashMap | otherSeqsMap | | Sequencer | sequencer | | Sequence | sequence | | Sequence | mySequence | | Track | track | | String[] | instrumentNames | | int[] | instruments |
| Methods Summary |
|---|
| public void | buildGUI()
theFrame = new JFrame("Cyber BeatBox");
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 sendIt = new JButton("sendIt");
sendIt.addActionListener(new MySendListener());
buttonBox.add(sendIt);
userMessage = new JTextField();
buttonBox.add(userMessage);
incomingList = new JList();
incomingList.addListSelectionListener(new MyListSelectionListener());
incomingList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
JScrollPane theList = new JScrollPane(incomingList);
buttonBox.add(theList);
incomingList.setListData(listVector); // no data to start with
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
theFrame.setBounds(50,50,300,300);
theFrame.pack();
theFrame.setVisible(true);
| | public void | buildTrackAndStart()
ArrayList<Integer> trackList = null; // this will hold the instruments for each
// vertical column -- in other words, each tick (may have multiple instruments)
sequence.deleteTrack(track);
track = sequence.createTrack();
// now loop through and make an event on and off for each thing that's checked
for (int i = 0; i < 16; i++) {
trackList = new ArrayList<Integer>();
for (int j = 0; j < 16; j++) {
JCheckBox jc = (JCheckBox) checkboxList.get(j + (16*i));
if (jc.isSelected()) {
int key = instruments[i];
trackList.add(new Integer(key));
} else {
trackList.add(null); // because this slot should be empty in the track
}
// maybe add somethiong here
} // 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 void | changeSequence(boolean[] checkboxState)
for (int i = 0; i < 256; i++) {
JCheckBox check = (JCheckBox) checkboxList.get(i);
if (checkboxState[i]) {
check.setSelected(true);
} else {
check.setSelected(false);
}
} // close for
| | public static void | main(java.lang.String[] args)
new BeatBoxFinal().startUp(args[0]); // args[0] is your user ID/screen name
| | 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(java.util.ArrayList list)
Iterator it = list.iterator();
// which key was pressed?
for (int i = 0; i < 16; i++) {
Integer num = (Integer) it.next();
if (num != null) {
int numKey = num.intValue();
track.add(makeEvent(144,9,numKey, 100, i));
track.add(makeEvent(128,9,numKey,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();}
| | public void | startUp(java.lang.String name)
userName = name;
// open connection to the server
try {
Socket sock = new Socket("127.0.0.1", 4242);
out = new ObjectOutputStream(sock.getOutputStream());
in = new ObjectInputStream(sock.getInputStream());
Thread remote = new Thread(new RemoteReader());
remote.start();
} catch(Exception ex) {
System.out.println("couldn't connect - you'll have to play alone.");
}
setUpMidi();
buildGUI();
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