【笔记】JAVA 中国象棋游戏 部分源码

/**
 * 演示棋谱类
 *
 * @author cnlht
 */
public class Demon extends JPanel implements ActionListener, Runnable {
 public JButton replay = null, next = null, auto = null, stop = null;
 LinkedList 棋谱 = null;
 Thread 自动演示 = null; 中国象棋：http://xiangqi.sz4j.com/forum-39-2.html
 int index = -1;
 ChessBoard board = null;
 JTextArea text;
 JTextField 时间间隔 = null;
 int time = 1000;
 String 演示过程 = "";
 JSplitPane splitH = null, splitV = null;

 public Demon(ChessBoard board) {
  this.board = board;
  replay = new JButton("重新演示");
  next = new JButton("下一步");
  auto = new JButton("自动演示");
  stop = new JButton("暂停演示");
  自动演示 = new Thread(this);
  replay.addActionListener(this);
  next.addActionListener(this);
  auto.addActionListener(this);
  stop.addActionListener(this);
  text = new JTextArea();
  时间间隔 = new JTextField("1");
  setLayout(new BorderLayout());
  JScrollPane pane = new JScrollPane(text);
  JPanel p = new JPanel(new GridLayout(3, 2));
  p.add(next);
  p.add(replay);
  p.add(auto);
  p.add(stop);
  p.add(new JLabel("时间间隔(秒)", SwingConstants.CENTER));
  p.add(时间间隔); 象棋游戏：http://xiangqi.sz4j.com/forum-39-3.html
  splitV = new JSplitPane(JSplitPane.VERTICAL_SPLIT, pane, p);
  splitH = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, board, splitV);
  splitV.setDividerSize(5);
  splitV.setDividerLocation(400);
  splitH.setDividerSize(5);
  splitH.setDividerLocation(460);
  add(splitH, BorderLayout.CENTER);
  validate();
 }

 public void set棋谱(LinkedList 棋谱) {
  this.棋谱 = 棋谱;
 }

 public char numberToLetter(int n) {
  char c = '\0';
  switch (n) {
  case 1:
   c = 'A';
   break;
  case 2:
   c = 'B';
   break;
  case 3:
   c = 'C';
   break;
  case 4:
   c = 'D';
   break;
  case 5:
   c = 'E';
   break;
  case 6:
   c = 'F';
   break;
  case 7:
   c = 'G';
   break;
  case 8:
   c = 'H';
   break;
  case 9:
   c = 'I';
   break;
  case 10:
   c = 'J';
   break;
  }
  return c;
 }

 public void actionPerformed(ActionEvent e) {
  if (e.getSource() == next) {
   index++;
   if (index < 棋谱.size()) {
    演示一步(index);
   } else {
    演示结束("棋谱演示完毕");
   }
  }
  if (e.getSource() == replay) {
   board = new ChessBoard(45, 45, 9, 10);
   splitH.remove(board);
   splitH.setDividerSize(5);
   splitH.setDividerLocation(460);
   splitH.setLeftComponent(board);
   splitH.validate();
   index = -1;
   text.setText(null);
  }
  if (e.getSource() == auto) {
   next.setEnabled(false);
   replay.setEnabled(false);
   try {
    time = 1000 * Integer.parseInt(时间间隔.getText().trim());
   } catch (NumberFormatException ee) {
    time = 1000;
   }

   if (!(自动演示.isAlive())) {
    自动演示 = new Thread(this);
    board = new ChessBoard(45, 45, 9, 10);
    splitH.remove(board);
    splitH.setDividerSize(5);
    splitH.setDividerLocation(460);
    splitH.setLeftComponent(board);
    splitH.validate();
    text.setText(null);
    自动演示.start();
   }

  }
  if (e.getSource() == stop) {
   if (e.getActionCommand().equals("暂停演示")) {
    演示过程 = "暂停演示";
    stop.setText("继续演示");
    stop.repaint();
   }
   if (e.getActionCommand().equals("继续演示")) {
    演示过程 = "继续演示";
    自动演示.interrupt();
    stop.setText("暂停演示");
    stop.repaint();
   }
  }
 }

 public synchronized void run() {
  for (index = 0; index < 棋谱.size(); index++) {
   try {
    Thread.sleep(time);
   } catch (InterruptedException e) {
   }
   while (演示过程.equals("暂停演示")) {
    try {
     wait();
    } catch (InterruptedException e) {
     notifyAll();
    }
   }
   演示一步(index);
  }
  if (index >= 棋谱.size()) {
   演示结束("棋谱演示完毕");
   next.setEnabled(true);
   replay.setEnabled(true);
  }
 }

 public void 演示一步(int index) {
  MoveStep step = (MoveStep) 棋谱.get(index);
  Point pStart = step.pStart;
  Point pEnd = step.pEnd;
  int startI = pStart.x;
  int startJ = pStart.y;
  int endI = pEnd.x;
  int endJ = pEnd.y;
  ChessPiece piece = (board.point)[startI][startJ].getPiece();
  if ((board.point)[endI][endJ].isPiece() == true) {
   ChessPiece pieceRemoved = (board.point)[endI][endJ].getPiece();
   (board.point)[endI][endJ].reMovePiece(pieceRemoved, board);
   board.repaint();
   (board.point)[endI][endJ].setPiece(piece, board);
   (board.point)[startI][startJ].set有棋子(false);
   board.repaint();
  } else {
   (board.point)[endI][endJ].setPiece(piece, board);
   (board.point)[startI][startJ].set有棋子(false);

  }
  String 棋子类别 = piece.棋子类别();
  String name = piece.getName();
  String m = "#" + 棋子类别 + name + ": " + startI + numberToLetter(startJ)
    + " 到 " + endI + numberToLetter(endJ);
  text.append(m);
  if (piece.棋子类别().equals(board.黑方颜色))
   text.append("\n");
 }

 public void 演示结束(String message) {
  splitH.remove(board);
  splitH.setDividerSize(5);
  splitH.setDividerLocation(460);
  JLabel label = new JLabel(message);
  label.setFont(new Font("隶书", Font.BOLD, 40));
  label.setForeground(Color.blue);
  label.setHorizontalAlignment(SwingConstants.CENTER);
  splitH.setLeftComponent(label);
  splitH.validate();
 }
}