Problems in JSpinner

Question

Hi,
I am trying to create timefield using JSpinner similar to TimeField in
Date/Time Properties dialog in Microsoft Windows. Here is the code i have
written
import javax.swing.*;
import javax.swing.event.*;
import java.text.*;
import java.awt.*;
import java.util.*;
import java.awt.event.*;
import javax.swing.text.*;
public class MySpinner {
JFormattedTextField tf;
public MySpinner(){
JFrame frame = new JFrame("Spinner");
frame.setDefaultCloseOperation(3);
final SpinnerDateModel model = new SpinnerDateModel();
JSpinner spinner = new JSpinner(model);
JSpinner.DateEditor editor = new JSpinner.DateEditor(spinner,"HH:ss:mm");
spinner.setEditor(editor);
tf =((JSpinner.DateEditor)spinner.getEditor()).getTextField();
tf.setEditable(true);
tf.setBackground(Color.white);
tf.setSelectionColor(Color.blue);
tf.setSelectedTextColor(Color.white);
DefaultFormatterFactory factory
=(DefaultFormatterFactory)tf.getFormatterFactory();
DateFormatter formatter = (DateFormatter)factory.getDefaultFormatter();
formatter.setAllowsInvalid(false);
frame.getContentPane().add(spinner, BorderLayout.SOUTH);
frame.pack();
frame.show();
public static void main (String args[]) throws Exception {
new MySpinner();
It works just fine when i use up/down keys or spinner at the right to change
the time. But when i try to
modify the time by editing the TimeField it is not behaving as expected.
I want it such that Timefield should allow user to change the time using
Spinner as well as by editing the
timefield. But it should not allow the user to enter invalid time.
Please give me your suggestions. Am I missing something here?
Thanks in advance.
Abhijeet

Answer 1

Hi J�rg,
Thanks for your reply.
I wrote a standalone version simulating the problem I have and -- guess what -- it worked fine.
The only feasible difference between the two programs is that for the demo program I coded the layout and placement of the components myself, whereas with the problem code, I used IntelliJ's GUI builder, which uses its own layout manager. This must have something to do with the problem.
However, I have managed to botch a fix -- first I set the JSpinners' values to 0, THEN set them to the random numbers. Weird, but works.
Thanks again, though.
Regards.