MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.BusyIndicator;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class MainClass {

    public static void main(String[] a) {

        final Display d = new Display();
        final Shell shell = new Shell(d);

        shell.setSize(250, 200);

        final String RUN = "Press to Run";
        final String IS_RUNNING = "Running...";

        shell.setLayout(new FillLayout());
        final Button button = new Button(shell, SWT.PUSH);
        button.setText(RUN);
        button.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent event) {
                button.setText(IS_RUNNING);

                BusyIndicator.showWhile(button.getDisplay(), new SleepThread(1000));

                button.setText(RUN);
            }
        });

        shell.open();
        while (!shell.isDisposed()) {
            if (!d.readAndDispatch())
                d.sleep();
        }
        d.dispose();

    }
}

class SleepThread extends Thread {
    private long ms;

    public SleepThread(long ms) {
        this.ms = ms;
    }

    public void run() {
        try {
            sleep(ms);
        } catch (InterruptedException e) {
        }
    }
}