ActiveSample.java Source code

Java tutorial

Introduction

Here is the source code for ActiveSample.java

Source

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class ActiveSample {

    private static final String LABEL_FACTORY = "LabelFactory";

    public static void main(String args[]) {
        JFrame frame = new JFrame("Active Example");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        UIManager.put(LABEL_FACTORY, new ActiveLabel());

        final JPanel panel = new JPanel();

        JButton button = new JButton("Get");
        ActionListener actionListener = new ActionListener() {
            public void actionPerformed(ActionEvent actionEvent) {
                JLabel label = (JLabel) UIManager.get(LABEL_FACTORY);
                panel.add(label);
                panel.revalidate();
            }
        };
        button.addActionListener(actionListener);

        frame.add(panel, BorderLayout.CENTER);
        frame.add(button, BorderLayout.SOUTH);
        frame.setSize(200, 200);
        frame.setVisible(true);
    }
}