public void run(IAction action) {
		Job job = new Job("Test Job") {
			@Override
			protected IStatus run(IProgressMonitor monitor) {
				// Set total number of work units
				monitor.beginTask("start task", 100);
 
				for (int i = 0; i < 10; i++) {
					try {
						Thread.sleep(1000);
						monitor.subTask("doing " + i);
						// Report that 10 units are done
						monitor.worked(10);
					} catch (InterruptedException e1) {
						e1.printStackTrace();
					}
				}
				return Status.OK_STATUS;
			}
		};
 
		job.schedule();
	}

public class ApplicationWorkbenchWindowAdvisor extends WorkbenchWindowAdvisor {
 
	public ApplicationWorkbenchWindowAdvisor(IWorkbenchWindowConfigurer configurer) {
		super(configurer);
	}
 
	public ActionBarAdvisor createActionBarAdvisor(
			IActionBarConfigurer configurer) {
		return new ApplicationActionBarAdvisor(configurer);
	}
 
	public void preWindowOpen() {
		IWorkbenchWindowConfigurer configurer = getWindowConfigurer();
		configurer.setInitialSize(new Point(400, 300));
		configurer.setShowCoolBar(false);
		configurer.setShowStatusLine(false);
		configurer.setTitle("RCP Application");
 
		configurer.setShowProgressIndicator(true);
	}
}

public void createPartControl(Composite parent) {
		Composite top = new Composite(parent, SWT.NONE);
 
		// setup the layout of top to be GridLayout.
		GridLayout layout = new GridLayout();
		layout.marginHeight = 0;
		layout.marginWidth = 0;
 
		top.setLayout(layout);
		Button button = new Button(top, SWT.PUSH);
 
		button.setText("test button");
 
		Listener listener = new Listener() {
		      public void handleEvent(Event event) { //expensive job below
		    	  for (int i = 0; i < 10; i++) {
		  			try {		  				
		  				Thread.sleep(2000);
		  				System.out.println(i);
		  			} catch (InterruptedException e) {
		  				e.printStackTrace();
		  			}
		    	  }
		      }
		    };
 
		button.addListener(SWT.Selection, listener); 
	}

 Listener listener = new Listener() {
		      public void handleEvent(Event event) {
 
		    	  Job job = new Job("test") {
		  			@Override
		  			protected IStatus run(IProgressMonitor monitor) {
		  				monitor.beginTask("start task", 100);
 
		  				//time consuming work here
		  				doExpensiveWork(monitor);
		  				//sync with UI				
		  				syncWithUI();
 
		  				return Status.OK_STATUS;
		  			}
 
		  		};
		  		job.setUser(true);
		  		job.schedule();  	  
		      }
		    };

	private void doExpensiveWork(IProgressMonitor monitor) {
		// mimic a long time job here
		for (int i = 0; i < 10; i++) {
			try {
				//give a progress bar to indicate progress
				monitor.worked(10);
 
				Thread.sleep(2000);
				System.out.println("step: " + i);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
	}
 
	private void syncWithUI() {
		Display.getDefault().asyncExec(new Runnable() {
			public void run() {
				MessageDialog.openInformation(getSite().getShell(), "message",
						"completed!");
			}
		});
	}