Name: gm110360 Date: 05/01/2002


FULL PRODUCT VERSION :
java version "1.4.0"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-b92)
Java HotSpot(TM) Client VM (build 1.4.0-b92, mixed mode)

FULL OPERATING SYSTEM VERSION : Windows 2000 Professional


A DESCRIPTION OF THE PROBLEM :
Using JFormattedTextField with a
NumberFormatter/DecimalFormat.

Everything works ok until you backspace over the decimal.
When you do, the textfield will go from

123.00 to 12300.00




STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
1. Run the sample code
2.
3.

This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import javax.swing.*;
import javax.swing.text.MaskFormatter;
import javax.swing.text.NumberFormatter;
import java.awt.*;
import java.text.DecimalFormat;

public class TestCase {
    public static void main(String[] args) {
        JFrame frame = new JFrame("Formatted Text Field Demo");

        JLabel label3 = new JLabel("Decimal (3.14)");
        JLabel label4 = new JLabel("Integer (345)");

        JFormattedTextField tf3 = new JFormattedTextField();
        JFormattedTextField tf4 = new JFormattedTextField();

        JPanel panel = new JPanel();

        panel.setLayout(new GridLayout(0, 2));

        panel.add(label3);
        panel.add(tf3);
        panel.add(label4);
        panel.add(tf4);


        DecimalFormat decimalFormat = new DecimalFormat("#,###.00");
        decimalFormat.setMaximumFractionDigits(2);
        decimalFormat.setMinimumFractionDigits(2);
        decimalFormat.setMaximumIntegerDigits(4);
        decimalFormat.setMinimumIntegerDigits(0);
        NumberFormatter format3 = new NumberFormatter(decimalFormat);
        format3.setAllowsInvalid(false);
        format3.install(tf3);

        DecimalFormat integerFormat = new DecimalFormat("#,###");
        integerFormat.setMaximumIntegerDigits(4);
        integerFormat.setMinimumIntegerDigits(0);
        integerFormat.setMinimumFractionDigits(0);
        integerFormat.setMaximumFractionDigits(0);
        NumberFormatter format4 = new NumberFormatter(integerFormat);

        format4.setAllowsInvalid(false);
        format4.install(tf4);
        frame.getContentPane().add(panel, BorderLayout.CENTER);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.pack();
        frame.show();
    }

}

---------- END SOURCE ----------
(Review ID: 139699)
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