/*
  * (non-Javadoc)
  *
  * @see muvitorkit.gef.editparts.AdapterGraphicalEditPart#performOpen()
  */
 @Override
 protected void performOpen() {
   Unit parent = null;
   if (getParent().getModel() instanceof TransformationUnitPart<?>) {
     parent = ((TransformationUnitPart<?>) getParent().getModel()).getModel();
   } else {
     parent = (Unit) getParent().getModel();
   }
   transUnitPage.nextTransUnit(parent, getCastedModel());
 }
 /**
  * Sets the model activated.
  *
  * @param activated the activated
  * @return true, if successful
  */
 public boolean setModelActivated(boolean activated) {
   transUnitPage.setActivated(getCastedModel(), activated);
   return getCastedModel().isActivated();
 }