comparison: src/de/uapcore/sudoku/SudokuTextField.java
src/de/uapcore/sudoku/SudokuTextField.java
- changeset 1
- f1d7de36b01e
- child 2
- 5179eff8a9b6
equal
deleted
inserted
replaced
| 0:93d6c51154a7 | 1:f1d7de36b01e |
|---|---|
| 1 package de.uapcore.sudoku; | |
| 2 | |
| 3 import java.awt.Color; | |
| 4 import java.awt.Dimension; | |
| 5 import java.awt.Font; | |
| 6 import java.awt.event.FocusAdapter; | |
| 7 import java.awt.event.FocusEvent; | |
| 8 import java.awt.event.KeyAdapter; | |
| 9 import java.awt.event.KeyEvent; | |
| 10 import javax.swing.JTextField; | |
| 11 | |
| 12 /** | |
| 13 * | |
| 14 * @author mike | |
| 15 */ | |
| 16 public class SudokuTextField extends JTextField { | |
| 17 | |
| 18 public SudokuTextField() { | |
| 19 setBorder(null); | |
| 20 setBackground(Color.WHITE); | |
| 21 | |
| 22 setFont(new Font("Dialog", Font.PLAIN, 18)); | |
| 23 setHorizontalAlignment(JTextField.CENTER); | |
| 24 | |
| 25 Dimension dim = new Dimension(40,40); | |
| 26 setPreferredSize(dim); | |
| 27 setMinimumSize(dim); | |
| 28 setMaximumSize(dim); | |
| 29 | |
| 30 addKeyListener(new KeyAdapter() { | |
| 31 private void handle(KeyEvent e) { | |
| 32 if (getText().length() > 0) { | |
| 33 int c = e.getKeyCode(); | |
| 34 if (c != KeyEvent.VK_DELETE && | |
| 35 c != KeyEvent.VK_BACK_SPACE && | |
| 36 !e.isActionKey()) { | |
| 37 e.consume(); | |
| 38 } | |
| 39 } else { | |
| 40 char c = e.getKeyChar(); | |
| 41 if (c < '0' || c > '9') { | |
| 42 e.consume(); | |
| 43 } | |
| 44 } | |
| 45 } | |
| 46 | |
| 47 @Override | |
| 48 public void keyPressed(KeyEvent e) { | |
| 49 handle(e); | |
| 50 } | |
| 51 | |
| 52 @Override | |
| 53 public void keyTyped(KeyEvent e) { | |
| 54 handle(e); | |
| 55 } | |
| 56 | |
| 57 @Override | |
| 58 public void keyReleased(KeyEvent e) { | |
| 59 handle(e); | |
| 60 } | |
| 61 | |
| 62 }); | |
| 63 addFocusListener(new FocusAdapter() { | |
| 64 @Override | |
| 65 public void focusGained(FocusEvent e) { | |
| 66 selectAll(); | |
| 67 } | |
| 68 }); | |
| 69 } | |
| 70 | |
| 71 } |
