private void doApplyContextChange(boolean newOptionValue, SearchContext option) {
    boolean changed = false;
    if (newOptionValue) {
      changed = searchContext != option;
      searchContext = option;
    } else if (searchContext == option) { // do not reset unrelated value
      changed = true;
      searchContext = SearchContext.ANY;
    }

    if (changed) {
      notifyObservers();
    }
  }
private void doApplyContextChange(boolean newOptionValue, SearchContext option)