Java 7 for Absolute Beginners

CHAPTER 7 ■ WRITING A USER INTERFACE

import javax.swing.JRadioButtonMenuItem;

import javax.swing.border.Border;

public class MineSweeper {

int columns = 8;

int rows = 8;

int numberOfMines = 10;

JFrame frame = new JFrame("MineSweeper");

JPanel minePanel = new JPanel();

JLabel minesRemainingLabel = new JLabel("Remaining:");

JLabel minesFoundLabel = new JLabel("Found: 0");

JButton[][] mineButtons;

Dimension buttonSize = new Dimension(20, 20);

MineField mineField;

MineSweeperMouseListener mouseListener;

MineSweeperActionListener actionListener;

MineSweeperHelper helper;

public MineSweeper() {

helper = new MineSweeperHelper(this);

actionListener = new MineSweeperActionListener(this, helper);

mouseListener = new MineSweeperMouseListener(this, helper);

init();

}

void init() {

mineButtons = new JButton[rows][columns];

for (int i = 0; i < rows; i++) {

for (int j = 0; j < columns; j++) {

JButton currentButton = new JButton();

mineButtons[i][j] = currentButton;

currentButton.setPreferredSize(buttonSize);

currentButton.setMaximumSize(buttonSize);

currentButton.setMinimumSize(buttonSize);

currentButton.addMouseListener(mouseListener);

currentButton.setEnabled(true);

currentButton.setText("");

currentButton.setIcon(null);

}

}

minePanel.setLayout(new GridLayout(rows, columns));

for (int i = 0; i < rows; i++) {

for (int j = 0; j < columns; j++) {

minePanel.add(mineButtons[i][j]);

}

}

mineField = new MineField(rows, columns, numberOfMines);

}