1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/main/java/de/uapcore/sudoku/Field.java Sat Jul 25 14:01:28 2020 +0200
1.3 @@ -0,0 +1,177 @@
1.4 +/*
1.5 + * Copyright 2013 Mike Becker. All rights reserved.
1.6 + *
1.7 + * Redistribution and use in source and binary forms, with or without
1.8 + * modification, are permitted provided that the following conditions are met:
1.9 + *
1.10 + * 1. Redistributions of source code must retain the above copyright
1.11 + * notice, this list of conditions and the following disclaimer.
1.12 + *
1.13 + * 2. Redistributions in binary form must reproduce the above copyright
1.14 + * notice, this list of conditions and the following disclaimer in the
1.15 + * documentation and/or other materials provided with the distribution.
1.16 + *
1.17 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
1.18 + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.19 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.20 + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
1.21 + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1.22 + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
1.23 + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
1.24 + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
1.25 + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.26 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1.27 + * POSSIBILITY OF SUCH DAMAGE.
1.28 + */
1.29 +
1.30 +package de.uapcore.sudoku;
1.31 +
1.32 +import javax.swing.*;
1.33 +import java.awt.*;
1.34 +import java.awt.image.BufferedImage;
1.35 +
1.36 +/**
1.37 + *
1.38 + * @author mike
1.39 + */
1.40 +public final class Field extends JPanel {
1.41 + private SudokuTextField[][] cells;
1.42 +
1.43 + public Field() {
1.44 + setBackground(Color.WHITE);
1.45 +
1.46 + setLayout(new GridBagLayout());
1.47 + GridBagConstraints c = new GridBagConstraints();
1.48 + c.insets = new Insets(5, 5, 5, 5);
1.49 +
1.50 + cells = new SudokuTextField[9][9];
1.51 + for (int x = 0 ; x < 9 ; x++) {
1.52 + for (int y = 0 ; y < 9 ; y++) {
1.53 + cells[x][y] = new SudokuTextField();
1.54 + c.gridx = x;
1.55 + c.gridy = y;
1.56 + add(cells[x][y], c);
1.57 + }
1.58 + }
1.59 + }
1.60 +
1.61 + @Override
1.62 + public void paint(Graphics graphics) {
1.63 + final int w = getWidth();
1.64 + final int h = getHeight();
1.65 + final int cw = w / 9;
1.66 + final int ch = h / 9;
1.67 +
1.68 + BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
1.69 + Graphics2D g = img.createGraphics();
1.70 + g.setBackground(Color.WHITE);
1.71 + g.clearRect(0, 0, w, h);
1.72 +
1.73 + g.setColor(Color.BLACK);
1.74 + g.drawRect(1, 1, w-2, h-2);
1.75 + g.drawRect(2, 2, w-4, h-4);
1.76 + for (int x = cw ; x < w ; x += cw) {
1.77 + for (int y = ch ; y < h ; y += ch) {
1.78 + g.drawLine(x, 2, x, h-2);
1.79 + g.drawLine(2, y, w-2, y);
1.80 + if ((x / cw) % 3 == 0) {
1.81 + g.drawLine(x+1, 2, x+1, h-2);
1.82 + }
1.83 + if ((y / ch) % 3 == 0) {
1.84 + g.drawLine(2, y+1, w-2, y+1);
1.85 + }
1.86 + }
1.87 + }
1.88 +
1.89 + graphics.drawImage(img, 0, 0, this);
1.90 + super.paintChildren(graphics);
1.91 + }
1.92 +
1.93 + public boolean isCellEmpty(int x, int y) {
1.94 + return getCellValue(x, y) == 0;
1.95 + }
1.96 +
1.97 + public int getCellValue(int x, int y) {
1.98 + return cells[x][y].getValue();
1.99 + }
1.100 +
1.101 + public void setCellValue(int x, int y, int v) {
1.102 + cells[x][y].setValue(v);
1.103 + }
1.104 +
1.105 + public void clearCellValue(int x, int y) {
1.106 + setCellValue(x, y, 0);
1.107 + }
1.108 +
1.109 + public void setCellModified(int x, int y, boolean modified) {
1.110 + cells[x][y].setModified(modified);
1.111 + }
1.112 +
1.113 + public void setAllCellsModified(boolean modified) {
1.114 + for (int x = 0 ; x < 9 ; x++) {
1.115 + for (int y = 0 ; y < 9 ; y++) {
1.116 + cells[x][y].setModified(modified);
1.117 + }
1.118 + }
1.119 + }
1.120 +
1.121 + public boolean isAnyCellModified() {
1.122 + for (int x = 0 ; x < 9 ; x++) {
1.123 + for (int y = 0 ; y < 9 ; y++) {
1.124 + if (cells[x][y].isModified()) {
1.125 + return true;
1.126 + }
1.127 + }
1.128 + }
1.129 + return false;
1.130 + }
1.131 +
1.132 + public void clear() {
1.133 + for (int x = 0 ; x < 9 ; x++) {
1.134 + for (int y = 0 ; y < 9 ; y++) {
1.135 + cells[x][y].setValue(0);
1.136 + }
1.137 + }
1.138 + }
1.139 +
1.140 + public int[][] getSquare(int x, int y) {
1.141 + if (x < 0 || x > 2 || y < 0 || y > 2) {
1.142 + throw new IllegalArgumentException("Invalid square coordinates");
1.143 + }
1.144 + int[][] square = new int[3][3];
1.145 +
1.146 + for (int u = 0 ; u < 3 ; u++) {
1.147 + for (int v = 0 ; v < 3 ; v++) {
1.148 + square[u][v] = getCellValue(3*x+u, 3*y+v);
1.149 + }
1.150 + }
1.151 +
1.152 + return square;
1.153 + }
1.154 +
1.155 + public int[] getRow(int y) {
1.156 + if (y < 0 || y > 8) {
1.157 + throw new IllegalArgumentException("Invalid row number");
1.158 + }
1.159 + int row[] = new int[9];
1.160 +
1.161 + for (int x = 0 ; x < 9 ; x++) {
1.162 + row[x] = getCellValue(x, y);
1.163 + }
1.164 +
1.165 + return row;
1.166 + }
1.167 +
1.168 + public int[] getColumn(int x) {
1.169 + if (x < 0 || x > 8) {
1.170 + throw new IllegalArgumentException("Invalid column number");
1.171 + }
1.172 + int column[] = new int[9];
1.173 +
1.174 + for (int y = 0 ; y < 9 ; y++) {
1.175 + column[y] = getCellValue(x, y);
1.176 + }
1.177 +
1.178 + return column;
1.179 + }
1.180 +}
