final String calledElement = ca.getCalledElement();
if (calledElement != null && StringUtils.isNotBlank(calledElement)
&& ActivitiWorkspaceUtil.getDiagramDataFilesByProcessId(calledElement).size() == 1) {
final ContextMenuEntry openCalledElement
= new ContextMenuEntry(new OpenCalledElementForCallActivity(getFeatureProvider()), context);
openCalledElement.setText("Open Process '" + calledElement + "' in new diagram");
openCalledElement.setSubmenu(false);
menuList.add(openCalledElement);
}
}