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package test5;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridLayout;
import java.awt.Rectangle;
import java.awt.Shape;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Line2D;
import java.util.ArrayList;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class test8 extends JFrame {
	private char whoseTurn = 'w';// 判断是哪一方下棋，因为要求黑棋先下，所以设置黑方为B,白方为W
	private JLabel jlblStatus = new JLabel("黑方下棋");
	JPanel showWhoseTurn = new JPanel();
	

	public test8() {
		ChessConvas ChessPanel = new ChessConvas();// 请看上方的解释1
		add(ChessPanel, BorderLayout.CENTER);// 添加（棋盘格、边框布局、中间）；
		jlblStatus.setFont(new Font("宋体", Font.BOLD, 18));
		// Font类设置GUI界面的字体样式
		

		showWhoseTurn.add(jlblStatus, new GridLayout(1, 3));// 增加网格布局
		add(showWhoseTurn, BorderLayout.NORTH);
		

	}

	public static void main(String[] args) {
		JFrame fr = new test8();// 请看上方的解释1
		fr.setLocationRelativeTo(null);// 设置窗口相对于指定组件的位置，设置居中显示
		fr.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		

		fr.setTitle("五子棋");// 设置五子琪
		fr.setVisible(true);// 设置true
		fr.setResizable(false);// 设置false
		fr.setSize(650, 650);// 设置棋盘页面大小为650*650

	}

//棋盘类
	class ChessConvas extends JPanel {
		
		private int xMove = 60;// 定义x轴，并规定最大可移动距离
		private int yMove = 60;// 同上，定义y轴
		private int xPosition;// x的位置
		private int yPosition;// y的位置
		private ArrayList rbList = new ArrayList();// 请看解释1
		private char chessSide = ' ';// 执棋的一方
		private JPanel btPanel = new JPanel();//
		private JButton btReset = new JButton("重新开始");//
		private JButton b = new JButton("人机下棋");
		

		public ChessConvas() {
			
			addMouseListener(new MouseListener());
			
			btReset.setBounds(new Rectangle(440, 40, 100, 30));// 形成有界限的矩阵图案
			btReset.addActionListener(new ResetEvent());// 匿名内部类实现监听
			
			add(btReset);
			setLayout(null);// 默认的是FlowLayout布局，需要加此
			
			addMouseListener(new MouseListener());
			b.setBounds(new Rectangle(440, 40, 100, 30));
			b.addActionListener(new ResetEvent());
			add(b);
			setLayout(null);

		}

		public void setChessSide(char c) {// 棋子的位置
			chessSide = c;
			repaint();// repaint()具有刷新页面效果
		}

		public char gerChessColor() {// 棋子的颜色
			return chessSide;
		}

		public void setXPosition(int xp) {// x的位置
			xPosition = xp;
			repaint();
		}

		public int getXPosition() {
			return xPosition;
		}

		public void setYPosition(int yp) {// y的位置
			yPosition = yp;
			repaint();
		}

		public int getYPosition() {
			return yPosition;
		}
		

		public boolean find(ArrayList rbList, int x, int y, Color bakColor) {
			for (int i = 0; i < rbList.size(); i++) {
				if ((((RoundButton1) rbList.get(i)).getX() == x) && (((RoundButton1) rbList.get(i)).getY() == y)
						&& (((RoundButton1) rbList.get(i)).getBackground() == bakColor)) {
					return true;
				}
			}
			return false;
		}

		public boolean isWinner(ArrayList rbList, int x, int y, Color bakColor) {
			for (int i = 0, k = 0; i < 7; i++) {
				// 竖直方向
				if (find(rbList, x + 0 * i, y + 30 * i, bakColor))
					k++;
				if (find(rbList, x + 0 * i, y - 30 * i, bakColor)) {

					if (i != 0)
						k++;
				}
				System.out.println("竖直方向  k= " + k);
				if (!find(rbList, x + 0 * i, y + 30 * i, bakColor) && !find(rbList, x + 0 * i, y - 30 * i, bakColor))
					break;// 若竖直两个方向都走不通则跳出循环
				if (k == 5) {
					jlblStatus.setText((bakColor == Color.BLACK) ? "黑方获胜!!!" : "白方获胜!!!");
					return true;
				}
			}
			for (int i = 0, k = 0; i < 7; i++) {
				// 左上至右下方向
				if (find(rbList, x - 30 * i, y - 30 * i, bakColor))
					k++;
				if (find(rbList, x + 30 * i, y + 30 * i, bakColor)) {
					if (i != 0)
						k++;
				}
				System.out.println("左上至右下方向 k= " + k);
				if (!find(rbList, x - 30 * i, y - 30 * i, bakColor) && !find(rbList, x + 30 * i, y + 30 * i, bakColor))
					break; // 若左上与右下两个方向都走不通则跳出循环
				if (k == 5) {
					jlblStatus.setText((bakColor == Color.BLACK) ? "黑方获胜!!!" : "白方获胜!!!");
					return true;
				}

			}

			for (int i = 0, k = 0; i < 7; i++) {
				// 左下至右上方向
				if (find(rbList, x - 36 * i, y + 36 * i, bakColor))
					k++;
				if (find(rbList, x + 36 * i, y - 36 * i, bakColor)) {
					if (i != 0)
						k++;
				}
				System.out.println("左下至右上方向k= " + k);
				if (!find(rbList, x - 36 * i, y + 36 * i, bakColor) && !find(rbList, x + 36 * i, y - 36 * i, bakColor))
					break;// 若左下至右上两个方向都走不通则跳出循环
				if (k == 5) {
					jlblStatus.setText((bakColor == Color.BLACK) ? "黑方获胜!!!" : "白方获胜!!!");
					return true;
				}

			}

			for (int i = 0, k = 0; i < 7; i++) {
				// 水平方向
				if (find(rbList, x - 36 * i, y + 0 * i, bakColor))
					k++;
				if (find(rbList, x + 36 * i, y - 0 * i, bakColor)) {
					if (i != 0)
						k++;
				}
				System.out.println("水平方向  k= " + k);
				if (!find(rbList, x - 36 * i, y + 0 * i, bakColor) && !find(rbList, x + 36 * i, y - 0 * i, bakColor))
					break; // 若水平的两个方向都走不通则跳出循环

				if (k == 5) {
					jlblStatus.setText((bakColor == Color.BLACK) ? "黑方获胜!!!" : "白方获胜!!!");
					return true;
				}

			}
			return false;
		}

		protected void paintComponent(Graphics g) {
			super.paintComponent(g);
			Graphics2D g2 = (Graphics2D) g;
			for (int i = 1; i <= 16; i++) {
				g2.draw(new Line2D.Double(30 + xMove, 30 * i + yMove, 16 * 30 + xMove, 30 * i + yMove));
				g2.draw(new Line2D.Double(30 * i + xMove, 30 + yMove, 30 * i + xMove, 16 * 30 + yMove));
			}
		}

		private class MouseListener extends MouseAdapter {
			public void mouseClicked(MouseEvent e) {
				if (chessSide == ' ' && whoseTurn != ' ') {
					setChessSide(whoseTurn);// set ChessSide in the chessCovas
				}
				xPosition = e.getX();
				yPosition = e.getY();

				if (xPosition > 30 + xMove && xPosition < 16 * 30 + xMove && yPosition > 30 + yMove
						&& yPosition < 16 * 30 + yMove) {
					jlblStatus.setText((whoseTurn == 'B') ? "黑方下棋" : "白方下棋");
					whoseTurn = (whoseTurn == 'B') ? 'W' : 'B';
					int X = xPosition / 30;
					int Y = yPosition / 30;

					int centerX;
					int centerY;
					// 棋子落点的判断
					if (xPosition % 30 > 30 / 2) {
						centerX = (X + 1) * 30;
						if (yPosition % 30 > 30 / 2)
							centerY = (Y + 1) * 30;
						else
							centerY = Y * 30;
					} else {
						centerX = X * 30;
						if (yPosition % 30 > 30 / 2)
							centerY = (Y + 1) * 30;
						else
							centerY = Y * 30;
					}
					RoundButton1 rb = new RoundButton1("");

					// roundButtonArray[i]=rb;
					// i++;
					rbList.add(rb);
					add(rb);
					// 棋子大小
					rb.setBounds(new Rectangle(centerX - 10, centerY - 10, 20, 20));
					if (whoseTurn == 'B') {
						rb.setBackground(Color.BLACK);
						System.out.println("黑棋  x: " + rb.getX() + "  y: " + rb.getY());
						boolean flag = isWinner(rbList, rb.getX(), rb.getY(), Color.BLACK);
						System.out.println(flag);
						if (flag == true) {
							removeMouseListener(this);// 当一方获胜后则不再响应鼠标事件
						}
					} else {
						rb.setBackground(Color.WHITE);
						System.out.println("白棋  x: " + rb.getX() + "  y: " + rb.getY());
						boolean flag = isWinner(rbList, rb.getX(), rb.getY(), Color.WHITE);
						System.out.println(flag);
						if (flag == true) {
							removeMouseListener(this);// 当一方获胜后则不再响应鼠标事件
						}
					}
					repaint();
				}
			}
		}

		private class ResetEvent implements ActionListener {
			public void actionPerformed(ActionEvent e) {
				for (int i = 0; i < rbList.size(); i++) {
					remove((RoundButton1) rbList.get(i));
				}
				rbList.clear();
				repaint();
				addMouseListener(new MouseListener());// 以便重新开始后重新响应鼠标事件
			}
		}
	}
}

//用圆形BUTTON实现棋子类
class RoundButton1 extends JButton {

	public RoundButton1() {
	}

	public RoundButton1(String label) {
		super(label);

		// 下面的语句讲述这个按钮变为一个圆形而不是椭圆形
		Dimension size = getPreferredSize();
		size.width = size.height = Math.max(size.width, size.height);
		setPreferredSize(size);
		// 不让JButton画背景而允许我们去画一个圆背景
		setContentAreaFilled(false);

	}

	// 画出圆的背景和标签
	protected void paintComponent(Graphics g) {
		if (getModel().isArmed()) {
			g.setColor(Color.lightGray);
		} else {
			g.setColor(getBackground());
		}
		g.fillOval(0, 0, getSize().width - 1, getSize().height - 1);
		// 在焦点上画出一个标签
		super.paintComponent(g);

	}

	// 画出一个边框
	protected void paintBorder(Graphics g) {
		g.setColor(getForeground());
		g.drawOval(0, 0, getSize().width - 1, getSize().height - 1);
	}

	// 侦察单击区域
	Shape shape;

	public boolean contains(int x, int y) {
		// 如果按钮改变了尺寸将重新创建一个Shape
		if (shape == null || !shape.getBounds().equals(getBounds())) {
			shape = new Ellipse2D.Float(0, 0, getWidth(), getHeight());
		}
		return shape.contains(x, y);
	}
}