MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JFrame;
import javax.swing.ProgressMonitor;
import javax.swing.SwingUtilities;
import javax.swing.Timer;
import javax.swing.UIManager;

public class MainClass extends JFrame implements ActionListener {

    static ProgressMonitor pbar = new ProgressMonitor(null, "Monitoring Progress", "Initializing . . .", 0, 100);

    static int counter = 0;

    public MainClass() {
        super("Progress Monitor Demo");
        setSize(250, 100);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        Timer timer = new Timer(500, this);
        timer.start();
        setVisible(true);
    }

    public static void main(String args[]) {
        UIManager.put("ProgressMonitor.progressText", "This is progress?");
        new MainClass();
    }

    public void actionPerformed(ActionEvent e) {
        SwingUtilities.invokeLater(new Update());
    }

    class Update implements Runnable {
        public void run() {
            if (pbar.isCanceled()) {
                pbar.close();
                System.exit(1);
            }
            pbar.setProgress(counter);
            pbar.setNote("Operation is " + counter + "% complete");
            counter += 2;
        }
    }
}