EditText amount = (EditText) v.findViewById(R.id.amount);
        EditText amountOnHA = (EditText) v.findViewById(R.id.amountOnHA);
        if (oNom.getAmount() != null) {
            amount.setText(oNom.getAmount().toString());
        }

        amount.addTextChangedListener(new OperationNomenclatureWatcher(amount, amountOnHA, oNom));