protected void updateStereotypeText() {
   MModelElement me = (MModelElement) getOwner();
   if (me == null) return;
   MStereotype stereo = me.getStereotype();
   if (stereo == null || stereo.getName() == null || stereo.getName().length() == 0)
     _stereo.setText("");
   else {
     _stereo.setText(Notation.generateStereotype(this, stereo));
   }
 }