import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.Random;

public class mine implements ActionListener {
    JButton[][] buttons = new JButton[9][9];
	int[][] mineloc = new int[9][9];
	int count=71;//number of buttons to click to win game..
    public void actionPerformed(ActionEvent e) {
        JButton button = (JButton)e.getSource();
        Point gridLoc = getArrayLocation(button);
		if (mineloc[gridLoc.x][gridLoc.y]<0)//mine!!! so game over.
		{
			buttons[gridLoc.x][gridLoc.y].setText("#");
			gameover();
		}
		else if (mineloc[gridLoc.x][gridLoc.y]>0)// number.. only the button is visible.
		{
			if (buttons[gridLoc.x][gridLoc.y].getText()=="?")
			{
			buttons[gridLoc.x][gridLoc.y].setText(""+mineloc[gridLoc.x][gridLoc.y]);
			count--;
				if (count==0)	JOptionPane.showMessageDialog(null,"you won..","Woooha!!",JOptionPane.INFORMATION_MESSAGE);
			}
		}
		else if (mineloc[gridLoc.x][gridLoc.y]==0)// is zero, so reveal area with 0/>0 values for 8-adjacent locations.
		{
			fillfn(gridLoc.x,gridLoc.y);
		}
    }
	private void gameover()
	{
		for (int i=0;i<mineloc.length;i++ )//reveal game..
		{
			for (int j=0;j<mineloc.length;j++ )
			{
				if (mineloc[i][j]<0)
					buttons[i][j].setText("#");
				else if (mineloc[i][j]==0)
					buttons[i][j].setText(" ");
				else
					buttons[i][j].setText(""+mineloc[i][j]);
			}
		}
		JOptionPane.showMessageDialog(null,"Game over..!!!!","!!BOOM!!",JOptionPane.INFORMATION_MESSAGE);
	}
	private void fillfn(int x,int y) //resembles to flood fill..
	{
		if (x<0 || y<0 || x>8 || y>8)	return; //if out of bound..
		if (buttons[x][y].getText()=="?")//if unprocessed 
		{
			if (mineloc[x][y] > 0)//number
			{
				buttons[x][y].setText(""+mineloc[x][y]);
				count--;
				if (count==0)	JOptionPane.showMessageDialog(null,"you won ..","Woooha!!",JOptionPane.INFORMATION_MESSAGE);
			}
			if (mineloc[x][y]==0 )//blank
			{
				buttons[x][y].setText(" ");
				count--;
				if (count==0)	JOptionPane.showMessageDialog(null,"you won..","Woooha!!",JOptionPane.INFORMATION_MESSAGE);
				fillfn(x+1,y+1);fillfn(x-1,y-1);fillfn(x-1,y+1);fillfn(x+1,y-1);
				fillfn(x+1,y);fillfn(x-1,y);fillfn(x,y+1);fillfn(x,y-1);//recursively process all 8 adjacent buttons..
			}
		}
	}
    private Point getArrayLocation(JButton target) {
        Point p = new Point(-1, -1);
        for(int j = 0; j < buttons.length; j++) {
            for(int k = 0; k < buttons[j].length; k++) {
                if(buttons[j][k] == target) {
                    p.setLocation(j, k);
                    return p;
                }
            }
        }
        return p;
    }
    private JPanel getContent() {
        JPanel panel  = new JPanel(new GridBagLayout());
        GridBagConstraints gbc = new GridBagConstraints();
        gbc.weighty = 1.0;
        gbc.weightx = 1.0;
        for(int j = 0; j < buttons.length; j++) {
            for(int k = 0; k < buttons[j].length; k++) {
                int n = j*buttons[j].length + k + 1;
                buttons[j][k] = new JButton("?");
                buttons[j][k].addActionListener(this);
                gbc.gridwidth = (k < buttons[j].length-1) ? 1 :GridBagConstraints.REMAINDER;
                panel.add(buttons[j][k], gbc);
            }
        }
        return panel;
    }	
	mine()
	{
		Random random = new Random();
		int n1,n2;
		for (int i=0;i<mineloc.length;i++ )
		{
			for (int j=0;j<mineloc.length;j++ )
			{
				mineloc[i][j]=0;
			}
		}
		for (int j=0;j<10;j++ )//10 mines
			{
				n1=random.nextInt(9);
				n2=random.nextInt(9);
				if (mineloc[n1][n2] < 0)// not already a mine.
				{
					j--;
					continue;
				}
				mineloc[n1][n2]=-100;
				try{mineloc[n1-1][n2]++;}catch(Exception e){}
				try{mineloc[n1+1][n2]++;}catch(Exception e){}
				try{mineloc[n1][n2-1]++;}catch(Exception e){}
				try{mineloc[n1][n2+1]++;}catch(Exception e){}
				try{mineloc[n1-1][n2-1]++;}catch(Exception e){}
				try{mineloc[n1-1][n2+1]++;}catch(Exception e){}
				try{mineloc[n1+1][n2-1]++;}catch(Exception e){}
				try{mineloc[n1+1][n2+1]++;}catch(Exception e){}
			}
	}
    public static void main(String[] args) {
        JFrame f = new JFrame("minesweeper by mayur [mayurdange.t35.com]");
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.getContentPane().add(new mine().getContent());
        f.setSize(450,300);
        f.setLocation(200,200);
        f.setVisible(true);
    }
}