*/
private final class PrecisionUpdateListener implements ChangeListener {
@Override
public void stateChanged(ChangeEvent e) {
receivingUpdate = true;
ExpressionEvaluationTestStep evaluationTestStep = getModelItem();
int intValue = ((SpinnerNumberModel)precisionField.getModel()).getNumber().intValue();
evaluationTestStep.setPrecision(intValue);
resultField.setText(evaluationTestStep.getResult()); // update field with newly formatted result
receivingUpdate = false;
}