@Override
public Void call(Boolean param) {
if( param.booleanValue() ) {
MUIElement parentME = element.getParent();
if (parentME instanceof MApplication) {
MApplication app = (MApplication) parentME;
app.setSelectedElement(element);
element.getContext().activate();
} else if (parentME == null) {
parentME = (MUIElement) ((EObject) element).eContainer();
if (parentME instanceof MContext) {
element.getContext().activate();