MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.awt.BorderLayout;
import java.text.ParseException;

import javax.swing.JFormattedTextField;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.border.TitledBorder;
import javax.swing.text.DefaultFormatterFactory;
import javax.swing.text.MaskFormatter;

public class MainClass {

    public static JPanel demo1() {
        JPanel pan = new JPanel(new BorderLayout());
        pan.setBorder(new TitledBorder("Demo 1: format toggles with focus"));

        MaskFormatter withFocus = null, withoutFocus = null;
        try {
            withFocus = new MaskFormatter("LLLL");
            withoutFocus = new MaskFormatter("UUUU");
        } catch (ParseException pe) {
        }

        DefaultFormatterFactory factory = new DefaultFormatterFactory(withoutFocus, null, withFocus);

        JFormattedTextField field = new JFormattedTextField(factory);
        field.setValue("Four");
        pan.add(field, BorderLayout.CENTER);

        return pan;
    }

    public static void main(String argv[]) {
        JFrame f = new JFrame("FactoryDemo");
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.getContentPane().add(demo1(), BorderLayout.NORTH);
        f.getContentPane().add(new JTextField(), BorderLayout.SOUTH);
        f.setSize(240, 160);
        f.setVisible(true);
    }
}