✔ [SWT] Shell schließen abfangen (über 'x')

/*
 * Created on 27.04.2005@13:24:45 by Darimont
 *
 * TODO Licence info
 */
package de.tutorials;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ShellAdapter;
import org.eclipse.swt.events.ShellEvent;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;

/**
 * @author Darimont
 * 
 * TODO Explain me
 */
public class SWTCloseExample {

	static Thread runner = new Thread() {
		public void run() {
			for (int i = 0; i < 100; i++) {
				try {
					sleep(100L);
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
			}
		}
	};

	public static void main(String[] args) {
		Display display = new Display();
		final Shell shell = new Shell(display);

		shell.setText("SWTCloseExample");
		shell.open();

		runner.start();

		shell.addShellListener(new ShellAdapter() {
			public void shellClosed(ShellEvent e) {
				if (runner.isAlive()) {
					e.doit = false;

					MessageBox box = new MessageBox(shell, SWT.ICON_INFORMATION);
					box.setText("Information");
					box
							.setMessage("Some *very* importent processes have not been finished yet...!\nTry again later...");
					box.open();
				}
			}
		});

		while (!shell.isDisposed()) {
			if (!display.readAndDispatch()) {
				display.sleep();
			}
		}
	}
}