1.1 --- a/src/de/uapcore/sudoku/SudokuTextField.java Fri Feb 01 10:18:47 2013 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,138 +0,0 @@
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 java.awt.Color;
1.33 -import java.awt.Dimension;
1.34 -import java.awt.Font;
1.35 -import java.awt.event.FocusAdapter;
1.36 -import java.awt.event.FocusEvent;
1.37 -import java.awt.event.KeyAdapter;
1.38 -import java.awt.event.KeyEvent;
1.39 -import javax.swing.JTextField;
1.40 -
1.41 -/**
1.42 - *
1.43 - * @author mike
1.44 - */
1.45 -public final class SudokuTextField extends JTextField {
1.46 -
1.47 - private boolean modified;
1.48 -
1.49 - public SudokuTextField() {
1.50 - setBorder(null);
1.51 - setBackground(Color.WHITE);
1.52 -
1.53 - setFont(new Font("Dialog", Font.PLAIN, 18));
1.54 - setHorizontalAlignment(JTextField.CENTER);
1.55 -
1.56 - Dimension dim = new Dimension(40,40);
1.57 - setPreferredSize(dim);
1.58 - setMinimumSize(dim);
1.59 - setMaximumSize(dim);
1.60 -
1.61 - addKeyListener(new KeyAdapter() {
1.62 - private void handle(KeyEvent e) {
1.63 - char c = e.getKeyChar();
1.64 - if (!e.isAltDown() && !e.isControlDown() &&
1.65 - !Character.isISOControl(c)) {
1.66 - // Perform clean input check
1.67 - if (getText().length() > 0 && getSelectedText() == null) {
1.68 - if (c != KeyEvent.CHAR_UNDEFINED) {
1.69 - e.consume();
1.70 - }
1.71 - } else {
1.72 - if (c < '1' || c > '9') {
1.73 - e.consume();
1.74 - } else {
1.75 - setModified(true);
1.76 - }
1.77 - }
1.78 - } else {
1.79 - // We can still be tricked by hotkeys, so do it the hard way
1.80 - if (!getText().matches("^[1-9]$")) {
1.81 - setText("");
1.82 - }
1.83 - }
1.84 - }
1.85 -
1.86 - @Override
1.87 - public void keyPressed(KeyEvent e) {
1.88 - handle(e);
1.89 - }
1.90 -
1.91 - @Override
1.92 - public void keyTyped(KeyEvent e) {
1.93 - handle(e);
1.94 - }
1.95 -
1.96 - @Override
1.97 - public void keyReleased(KeyEvent e) {
1.98 - handle(e);
1.99 - }
1.100 -
1.101 - });
1.102 - addFocusListener(new FocusAdapter() {
1.103 - @Override
1.104 - public void focusGained(FocusEvent e) {
1.105 - selectAll();
1.106 - }
1.107 - @Override
1.108 - public void focusLost(FocusEvent e) {
1.109 - select(0, 0);
1.110 - }
1.111 - });
1.112 - }
1.113 -
1.114 - public int getValue() {
1.115 - if (getText().length() > 0) {
1.116 - return Integer.valueOf(getText());
1.117 - } else {
1.118 - return 0;
1.119 - }
1.120 - }
1.121 -
1.122 - public void setValue(int v) {
1.123 - if (v == 0) {
1.124 - setText("");
1.125 - } else if (v < 10) {
1.126 - setText(String.valueOf(v));
1.127 - } else {
1.128 - throw new IllegalArgumentException(
1.129 - "Sudoku numbers must be in range 0-9 (0 means 'not set')");
1.130 - }
1.131 - }
1.132 -
1.133 - public void setModified(boolean modified) {
1.134 - this.modified = modified;
1.135 - setForeground(modified?Color.BLUE:Color.BLACK);
1.136 - }
1.137 -
1.138 - public boolean isModified() {
1.139 - return modified;
1.140 - }
1.141 -}
