@Override
public void execute() {
final CloneRepositoryForm cloneRepositoryWizard = iocManager.lookupBean( CloneRepositoryForm.class ).getInstance();
//When pop-up is closed destroy bean to avoid memory leak
cloneRepositoryWizard.addCloseHandler( new CloseHandler<PopupPanel>() {
@Override
public void onClose( CloseEvent<PopupPanel> event ) {
iocManager.destroyBean( cloneRepositoryWizard );
}