import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.*;

public class DotsFrame extends JFrame {

	//////////////////////////////

	private JButton[][] buttonArray;

	///////////////////////////////

	//////////////////////////////

	public DotsFrame() {
		super("Точки");
		setSize(550, 650);
		setDefaultCloseOperation(EXIT_ON_CLOSE);

		buttonArray = new JButton[19][19];
		for (int i = 0; i < 19; i++) {
			for (int j = 0; j < 19; j++) {
				buttonArray[i][j] = new JButton("" + (i + 1));
			}
		}

		for (int i = 0; i < 19; i++) {
			for (int j = 0; j < 19; j++) {
				buttonArray[i][j].setBounds(12 + 25 * (i + 1), 90 + 25 * (j + 1), 10, 10);
				//buttonArray[i][j].setVisible(true);
				buttonArray[i][j].setActionCommand(i + ":" + j);
				buttonArray[i][j].addActionListener(new ButtonEventListener());
				add(buttonArray[i][j]);
			}
		}
	}

	class ButtonEventListener implements ActionListener {

		@Override
		public void actionPerformed(ActionEvent e) {
			String com = e.getActionCommand();
			String comA = "";
			String comB = "";
			boolean flag = false;
			int i = 0;
			int j = 0;
			for (int ii = 0; ii < com.length() - 1; ii++) {
				if (com.charAt(ii) == ':') {
					flag = true;
				}
				if (flag) {
					comB += com.charAt(ii + 1);
				} else {
					comA += com.charAt(ii);
				}
			}
			i = Integer.valueOf(comA);
			j = Integer.valueOf(comB);

			System.out.println(i + ":" + j);
			buttonArray[i][j].setBackground(Color.blue);
		}
	}

	//////////////////////////////

	//////////////////////////////


	  public void paint(Graphics g) { for (int i = 0; i < 19; i++) {
	  g.drawLine(25 + 25 * (i + 1), 150, 25 + 25 * (i + 1), 600);
	  g.drawLine(50, 125 + 25 * (i + 1), 500, 125 + 25 * (i + 1)); } }


	//////////////////////////////

	public static void main(String[] args) {
		DotsFrame application = new DotsFrame();
		application.setLayout(null);
		application.setVisible(true);
	}

}