import java.io.File;

import java.net.MalformedURLException;

import java.net.URL;

import org.eclipse.jface.resource.ImageDescriptor;

import org.eclipse.ui.examples.jobs.ProgressExamplesPlugin;

import org.eclipse.ui.internal.util.BundleUtility;

	private Button defaultIconField;

	private ImageDescriptor normalIcon1;

	private ImageDescriptor normalIcon2;

	private ImageDescriptor normalIcon3;

	private ImageDescriptor bigIcon;

	private ImageDescriptor otherIcon;

	private Button normalIconField1;

	private Button normalIconField2;

	private Button normalIconField3;

	private Button bigIconField;

	private Button otherIconField;

			setIcon(result);

	private void setIcon(Job result) {

		if(defaultIconField.getSelection())

			return;

		ImageDescriptor imageDesc;

		if(normalIconField1.getSelection())

			imageDesc = normalIcon1;

		else if(normalIconField2.getSelection())

			imageDesc = normalIcon2;

		else if(normalIconField3.getSelection())

			imageDesc = normalIcon3;

		else if(bigIconField.getSelection())

			imageDesc = bigIcon;

		else

			imageDesc = otherIcon;

		result.setProperty(IProgressConstants.ICON_PROPERTY, imageDesc);

	}

		// join the running test jobs

		Button cancel = new Button(group, SWT.PUSH);

		cancel.setText("Cancel"); //$NON-NLS-1$

		cancel.setToolTipText("Calls cancel() on all TestJobs"); //$NON-NLS-1$

		cancel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

		cancel.addSelectionListener(new SelectionAdapter() {

			public void widgetSelected(SelectionEvent e) {

				cancelTestJobs();

			}

		});

		// join the running test jobs

		Button beginRule = new Button(group, SWT.PUSH);

		beginRule.setText("beginRule: Root "); //$NON-NLS-1$

		beginRule.setToolTipText("Calls beginRule in UI thread"); //$NON-NLS-1$

		beginRule.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

		beginRule.addSelectionListener(new SelectionAdapter() {

			public void widgetSelected(SelectionEvent e) {

				try {

					Job.getJobManager().beginRule(ResourcesPlugin.getWorkspace().getRoot(), null);

				} catch (OperationCanceledException ee) {

					MessageDialog.openInformation(e.display.getActiveShell(), "Canceled", "Operation canceled");

					return;

				} finally {

					Job.getJobManager().endRule(ResourcesPlugin.getWorkspace().getRoot());

				}

				MessageDialog.openInformation(e.display.getActiveShell(), "Ran", "Operation Ran");

			}

		});

		Group imageGroup = new Group(group, SWT.NONE);

		imageGroup.setText("Image:");

		imageGroup.setLayout(new GridLayout());

		defaultIconField = new Button(imageGroup, SWT.RADIO);

		defaultIconField.setText("None");

		defaultIconField.setSelection(true);

		normalIcon1 = ImageDescriptor.createFromURL(BundleUtility.find(ProgressExamplesPlugin.ID, "/icons/sample.gif"));

		normalIconField1 = new Button(imageGroup, SWT.RADIO);

		normalIconField1.setSelection(false);

		normalIconField1.setImage(normalIcon1.createImage());

		normalIcon2 = ImageDescriptor.createFromURL(BundleUtility.find(ProgressExamplesPlugin.ID, "/icons/cvs_persp.gif"));

		normalIconField2 = new Button(imageGroup, SWT.RADIO);

		normalIconField2.setSelection(false);

		normalIconField2.setImage(normalIcon2.createImage());

		normalIcon3 = ImageDescriptor.createFromURL(BundleUtility.find(ProgressExamplesPlugin.ID, "/icons/site_obj.gif"));

		normalIconField3 = new Button(imageGroup, SWT.RADIO);

		normalIconField3.setSelection(false);

		normalIconField3.setImage(normalIcon3.createImage());

		bigIcon = ImageDescriptor.createFromURL(BundleUtility.find(ProgressExamplesPlugin.ID, "/icons/export_wiz.png"));

		bigIconField = new Button(imageGroup, SWT.RADIO);

		bigIconField.setSelection(false);

		bigIconField.setImage(bigIcon.createImage());

		otherIconField = new Button(imageGroup, SWT.RADIO);

		otherIconField.setSelection(false);

		otherIconField.setText("Other...");

		otherIconField.addSelectionListener(new SelectionAdapter() {

			@Override

			public void widgetSelected(SelectionEvent e) {

				FileDialog dialog = new FileDialog(getSite().getShell());

				dialog.setFilterExtensions(new String[] {"*.gif;*.png"});

				dialog.setFilterNames(new String[] {"Icon images"});

				if(dialog.open() == null)

					return;

				try {

					otherIcon = ImageDescriptor.createFromURL(new URL("file://"+dialog.getFilterPath()+File.separatorChar+dialog.getFileName()));

				} catch (MalformedURLException e1) {

					MessageDialog.openError(getSite().getShell(), "Error", e1.getMessage());

					defaultIconField.setSelection(true);

				}

			}

		});

	protected void cancelTestJobs() {

		try {

			// note that when a null progress monitor is used when in the UI

			// thread, the workbench will create a default progress monitor

			// that reports progress in a modal dialog with details area

			PlatformUI.getWorkbench().getProgressService().busyCursorWhile(

					new IRunnableWithProgress() {

						public void run(IProgressMonitor monitor)

								throws InterruptedException {

							Job.getJobManager().cancel(TestJob.FAMILY_TEST_JOB);

						}

					});

		} catch (InterruptedException e) {

			// thrown if the user interrupts the join by canceling the progress

			// monitor

			// A UI component should swallow the exception and finish the action

			// or operation. A lower level component should just propagate the

			// exception

			e.printStackTrace();

		} catch (InvocationTargetException e) {

			// Thrown when the operation running within busyCursorWhile throws

			// an

			// exception. This should either be propagated or displayed to the

			// user

			e.printStackTrace();

		}

	}