package AppendixA;
// chapter 14
import java.awt.*;
import javax.swing.*;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import java.io.*;
import javax.sound.midi.*;
import java.util.*;
import java.awt.event.*;
import java.net.*;
public class BeatBoxFinal { // implements MetaEventListener
JPanel mainPanel;
JList incomingList;
JTextField userMessage;
ArrayList<JCheckBox> checkboxList;
int nextNum;
ObjectInputStream in;
ObjectOutputStream out;
Vector<String> listVector = new Vector<String>();
String userName ;
HashMap<String, boolean[]> otherSeqsMap = new HashMap<String, boolean[]>();
Sequencer sequencer;
Sequence sequence;
Sequence mySequence = null;
Track track;
JFrame theFrame;
String[] instrumentNames = {"Bass Drum", "Closed Hi-Hat",
"Open Hi-Hat","Acoustic Snare", "Crash Cymbal", "Hand Clap",
"High Tom", "Hi Bongo", "Maracas", "Whistle", "Low Conga",
"Cowbell", "Vibraslap", "Low-mid Tom", "High Agogo",
"Open Hi Conga"};
int[] instruments = {35,42,46,38,49,39,50,60,70,72,64,56,58,47,67,63};
public static void main (String[] args) {
new BeatBoxFinal().startUp(args[0]);
}
public void startUp(String name) {
userName = name;
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();
}
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 sendIt = new JButton("sendIt");
sendIt.addActionListener(new MySendListener());
buttonBox.add(sendIt);
JButton saveIt = new JButton("Serialize It"); // new button
saveIt.addActionListener(new MySendListener());
buttonBox.add(saveIt);
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);
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);
} // close method
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();}
} // close method
public void buildTrackAndStart()
{
// this will hold the instruments for each vertical column,
// in other words, each tick (may have multiple instruments)
ArrayList<Integer> trackList = null;
sequence.deleteTrack(track);
track = sequence.createTrack();
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(key);
}
else
{
trackList.add(null);
}
} // 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();}
} // close method
//============================================================== inner class listeners
public class MyStartListener implements ActionListener {
public void actionPerformed(ActionEvent a) {
buildTrackAndStart();
}
}
public class MyStopListener implements ActionListener {
public void actionPerformed(ActionEvent a) {
sequencer.stop();
}
}
public class MyUpTempoListener implements ActionListener {
public void actionPerformed(ActionEvent a) {
float tempoFactor = sequencer.getTempoFactor();
sequencer.setTempoFactor((float)(tempoFactor * 1.03));
}
}
public class MyDownTempoListener implements ActionListener {
public void actionPerformed(ActionEvent a) {
float tempoFactor = sequencer.getTempoFactor();
sequencer.setTempoFactor((float)(tempoFactor * .97));
}
}
public class MySendListener implements ActionListener { // new - save
public void actionPerformed(ActionEvent a) {
// make an arraylist of just the STATE of the checkboxes
boolean[] checkboxState = new boolean[256];
for (int i = 0; i < 256; i++) {
JCheckBox check = (JCheckBox) checkboxList.get(i);
if (check.isSelected()) {
checkboxState[i] = true;
}
}
try {
out.writeObject(userName + nextNum++ + ": " +
Head First Java Code（配套《Head First Java》的例程代码）
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2015-04-20
11:06:23
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收藏 159KB RAR 举报 
Head First Java Code（配套《Head First Java》的例程代码） （208个子文件） 
BeatBoxFinal.class 9KB BeatBoxSaveOnly.class 6KB BeatBox.class 6KB QuizCardReader.class 5KB QuizCardBuilder.class 5KB SimpleChatClient.class 3KB DotComBust.class 3KB MiniMusicPlayer3.class 3KB ServiceBrowser.class 2KB MiniMiniMusicCmdLine.class 2KB SimpleChatClientA.class 2KB Jukebox5.class 2KB GameHelper.class 2KB Jukebox6.class 2KB Jukebox8.class 2KB MusicServer.class 2KB GameSaverTest.class 2KB VerySimpleChatServer.class 2KB RyanAndMonicaJob.class 2KB BeatBoxFinal$MySendListener.class 2KB ServiceServerImpl.class 2KB PhraseOMatic2.class 2KB Jukebox3.class 2KB MiniMusicService$PlayItListener.class 2KB MiniMiniMusicApp.class 2KB GuessGame.class 2KB DailyAdviceServer.class 2KB DayOfTheWeekService.class 2KB BeatBoxFinal$RemoteReader.class 2KB TwoButtons.class 2KB BeatBoxSaveOnly$MyReadInListener.class 2KB DayOfTheWeekService$DoItListener.class 2KB PhraseOMatic.class 2KB Jukebox1.class 2KB VerySimpleChatServer$ClientHandler.class 2KB MiniMusicService$MyDrawPanel.class 2KB MiniMusicService.class 2KB DiceService$RollEmListener.class 2KB KathyServlet.class 1KB BeatBoxSaveOnly$MySendListener.class 1KB DailyAdviceClient.class 1KB QuizCardBuilder$SaveMenuListener.class 1KB Game.class 1KB QuizCardReader$NextCardListener.class 1KB MiniMusicPlayer3$MyDrawPanel.class 1KB DungeonTest.class 1KB QuizCard.class 1KB BeatBoxFinal$MyListSelectionListener.class 1KB MusicServer$ClientHandler.class 1KB SimpleChatClient$IncomingReader.class 1KB TestLifeSupportSim.class 1KB Dog.class 1KB RunThreads.class 1KB DiceService.class 1KB Song.class 1KB MyRunnable.class 1KB DotCom.class 1KB SimpleChatClientA$SendButtonListener.class 1KB SimpleChatClient$SendButtonListener.class 1KB QuizCardBuilder$NextCardListener.class 1KB GameCharacter.class 1KB FullMoons.class 1KB SimpleAnimation.class 1KB Of76.class 1KB Animate.class 1KB SimpleDotCom.class 1KB QuizCardReader$OpenMenuListener.class 1KB BeerSong.class 957B Jukebox5$ArtistCompare.class 939B PoorDogTestDrive.class 935B BeatBoxSaveOnly$MyDownTempoListener.class 914B ServiceBrowser$MyListListener.class 911B BeatBoxFinal$MyDownTempoListener.class 911B BeatBoxSaveOnly$MyUpTempoListener.class 908B BeatBoxFinal$MyUpTempoListener.class 905B MyDrawPanel.class 867B BeatBox$MyDownTempoListener.class 866B BeatBox$MyUpTempoListener.class 860B GoodDogTestDrive.class 850B QuizCardBuilder$NewMenuListener.class 834B SimpleAnimation$MyDrawPanel.class 808B TwoButtons$LabelButtonListener.class 795B BeatBoxSaveOnly$MyStopListener.class 788B BeatBoxFinal$MyStopListener.class 785B TwoButtons$ColorButtonListener.class 758B Player.class 746B BeatBox$MyStopListener.class 740B SimpleDotComTester.class 736B BeatBoxSaveOnly$MyStartListener.class 715B BeatBoxFinal$MyStartListener.class 712B Animate$MyDrawP.class 709B V2Radiator.class 686B Boat.class 683B TestBoat.class 680B BeatBox$MyStartListener.class 667B GoodDog.class 657B DungeonGame.class 642B SimUnit.class 551B V3Radiator.class 538B PoorDog.class 513B共 208 条
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资源评论
chengjie11212017-07-27还不错，里面的代码可以参考
