@Override
 public boolean onOptionsItemSelected(MenuItem item) {
   switch (item.getItemId()) {
     case EDIT_USER_PRODUCED_DATA:
       setEditMode(true);
       return true;
     case MODIFY_PORTFOLIO:
       PMHelper.openPortfolioInBrowser(getSherlockActivity());
       return true;
     default:
       return super.onOptionsItemSelected(item);
   }
 }
 @Override
 public Void performAction(Void... params) throws SecurityException, Exception {
   PMHelper.saveUserProducedData(mPortfolio, mUpdatedElements, mCherryElements);
   return null;
 }