examples/org.eclipse.jface.snippets/Eclipse JFace Snippets/org/eclipse/jface/snippets/dialogs/Snippet058VistaProgressBars.java

package org.eclipse.jface.snippets.dialogs;

import java.lang.reflect.InvocationTargetException;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IProgressMonitorWithBlocking;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.swt.widgets.Display;

public class Snippet058VistaProgressBars {

	/**
	 * Open a progress monitor dialog and switch the blocking.
	 * 
	 * @param args
	 */
	public static void main(String[] args) {

		Display display = new Display();

		final ProgressMonitorDialog dialog = new ProgressMonitorDialog(null);

		try {
			dialog.run(true, true, new IRunnableWithProgress() {
				/*
				 * (non-Javadoc)
				 * 
				 * @see org.eclipse.jface.operation.IRunnableWithProgress#run(org.eclipse.core.runtime.IProgressMonitor)
				 */
				public void run(IProgressMonitor monitor)
						throws InvocationTargetException, InterruptedException {

					IProgressMonitorWithBlocking blocking = (IProgressMonitorWithBlocking) monitor;

					blocking.beginTask("Vista Coolness", 100);
					for (int i = 0; i < 10; i++) {
						blocking.setBlocked(new Status(IStatus.WARNING,
								"Blocked", "This is blocked on Vista"));
						blocking.worked(5);
						spin(dialog.getShell().getDisplay());
						blocking.clearBlocked();
						blocking.worked(5);
						spin(dialog.getShell().getDisplay());
						if (monitor.isCanceled())
							return;
					}
					blocking.done();
				}
			});
		} catch (InvocationTargetException e) {
			e.printStackTrace();
		} catch (InterruptedException e) {
			e.printStackTrace();
		}

		display.dispose();
	}

	private static void spin(final Display display) {
		display.syncExec(new Runnable() {
			/*
			 * (non-Javadoc)
			 * 
			 * @see java.lang.Runnable#run()
			 */
			public void run() {
				long endTime = System.currentTimeMillis() + 1000;

				while (System.currentTimeMillis() < endTime)
					display.readAndDispatch();

			}
		});

	}
}