final IStructuredSelection s = (IStructuredSelection) _selection;
final Object first = s.getFirstElement();
if (first instanceof Folder) {
final Folder p = (Folder) first;
f.setParent(p);
p.addChild(f);
}
}
CalibratorPlugin.getDA().save(f);
// CalibratorPlugin.getModel().add(f);
return true;