* @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
*/
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
final GSSQuery query = (GSSQuery) UiUtil.getSelectedEObject();
SaveConstraintsWizard wizard = new SaveConstraintsWizard(query);
WizardDialog dialog = new WizardDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), wizard);
dialog.create();
dialog.open();
return null;
}