| Methods Summary |
|---|
| protected javax.swing.Action[] | getActions()
Action[] actions = { new CombinationIncrementer("increment", 1),
new CombinationIncrementer("decrement", -1) };
return actions;
|
| public static void | main(java.lang.String[] argv)
// a demo main() to show how CombinationFormatter could be used
int comb1[] = { 35, 11, 19 };
int comb2[] = { 10, 20, 30 };
final JFormattedTextField field1 =
new JFormattedTextField(new CombinationFormatter());
field1.setValue(comb1);
final JFormattedTextField field2 =
new JFormattedTextField(new CombinationFormatter());
field2.setValue(comb2);
JPanel pan = new JPanel();
pan.add(new JLabel("Change the combination from"));
pan.add(field1);
pan.add(new JLabel("to"));
pan.add(field2);
JButton b = new JButton("Submit");
b.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent ae) {
try {
field1.commitEdit(); // make sure current edit (if any) gets committed
field2.commitEdit();
} catch (java.text.ParseException pe) { }
int oldc[] = (int[])field1.getValue();
int newc[] = (int[])field2.getValue();
//
// code to validate oldc[] and change to newc[] goes here
//
}
});
pan.add(b);
JFrame f = new JFrame("CombinationFormatter Demo");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setContentPane(pan);
f.setSize(360, 100);
f.setVisible(true);
|
| public java.lang.Object | stringToValue(java.lang.String string)
// input: string of form "15-45-22" (any number of hyphen-delimeted numbers)
// output: int array
String s[] = string.split("-");
int a[] = new int[s.length];
for (int j=0; j<a.length; j+=1)
try {
a[j] = Integer.parseInt(s[j]);
} catch (NumberFormatException nfe) {
throw new java.text.ParseException(s[j] + " is not an int", 0);
}
return a;
|
| public java.lang.String | valueToString(java.lang.Object value)
// input: int array
// output: string of numerals separated by hyphens
if (value == null) return null;
if (! (value instanceof int[]))
throw new java.text.ParseException("expected int[]", 0);
int a[] = (int[])value;
StringBuffer sb = new StringBuffer();
for (int j=0; j < a.length; j+=1) {
if (j > 0) sb.append('-");
sb.append(a[j]);
}
return sb.toString();
|
