java学习笔记_BeatBox(GUI部分)

 import java.awt.*;
 import javax.swing.*;

 public class BeatBox {
     JFrame theFrame;
     JPanel mainPanel;
     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"};

     public static void main(String[] args) {
         new BeatBox().buildGUI();
     }

     public void buildGUI() {
         theFrame = new JFrame("Cyber BeatBox");
         theFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

         JPanel background = new JPanel(new BorderLayout());
         background.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));

         Box buttonBox = new Box(BoxLayout.Y_AXIS);

         JButton start = new JButton("Start");
         buttonBox.add(start);

         JButton stop = new JButton("Stop");
         buttonBox.add(stop);

         JButton upTempo = new JButton("Tempo Up");
         buttonBox.add(upTempo);

         JButton downTempo = new JButton("Tempo Down");
         buttonBox.add(downTempo);

         background.add(BorderLayout.EAST, buttonBox);

         Box nameBox = new Box(BoxLayout.Y_AXIS);
         for (String instrument: instrumentNames) {
             nameBox.add(new Label(instrument));
         }
         background.add(BorderLayout.WEST, nameBox);

         GridLayout grid = new GridLayout(16, 16);
         mainPanel = new JPanel(grid);

         for (int i = 0; i < 256; i++) {
             JCheckBox c = new JCheckBox();
             c.setSelected(false);
             mainPanel.add(c);
         }
         background.add(BorderLayout.CENTER, mainPanel);

         theFrame.setContentPane(background);
         theFrame.setBounds(50, 50, 300, 300);
         theFrame.pack();
         theFrame.setVisible(true);
     }
 }