import java.lang.reflect.InvocationTargetException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.window.ApplicationWindow;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class MainClass extends ApplicationWindow {
public MainClass() {
super(null);
}
public void run() {
setBlockOnOpen(true);
open();
Display.getCurrent().dispose();
}
protected void configureShell(Shell shell) {
super.configureShell(shell);
shell.setText("Show Progress");
}
protected Control createContents(Composite parent) {
Composite composite = new Composite(parent, SWT.NONE);
composite.setLayout(new GridLayout(1, true));
final Button indeterminate = new Button(composite, SWT.CHECK);
indeterminate.setText("Indeterminate");
Button showProgress = new Button(composite, SWT.NONE);
showProgress.setText("Show Progress");
final Shell shell = parent.getShell();
showProgress.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
try {
new ProgressMonitorDialog(shell).run(true, true, new LongRunningOperation(indeterminate
.getSelection()));
} catch (InvocationTargetException e) {
MessageDialog.openError(shell, "Error", e.getMessage());
} catch (InterruptedException e) {
MessageDialog.openInformation(shell, "Cancelled", e.getMessage());
}
}
});
parent.pack();
return composite;
}
public static void main(String[] args) {
new MainClass().run();
}
}
class LongRunningOperation implements IRunnableWithProgress {
private static final int TOTAL_TIME = 10000;
private static final int INCREMENT = 500;
private boolean indeterminate;
public LongRunningOperation(boolean indeterminate) {
this.indeterminate = indeterminate;
}
public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
monitor.beginTask("Running long running operation", indeterminate ? IProgressMonitor.UNKNOWN
: TOTAL_TIME);
for (int total = 0; total < TOTAL_TIME && !monitor.isCanceled(); total += INCREMENT) {
Thread.sleep(INCREMENT);
monitor.worked(INCREMENT);
if (total == TOTAL_TIME / 2)
monitor.subTask("Doing second half");
}
monitor.done();
if (monitor.isCanceled())
throw new InterruptedException("The long running operation was cancelled");
}
}