public void select(int index) {
    if (index >= views.size()) {
      return;
    }

    if (exclusion) {
      for (int i = 0; i < views.size(); i++) {
        SlideView v = views.get(i);
        if ((i != index && v.isOpened()) || (i == index)) {
          v.toggle();
        }
      }

    } else {
      SlideView v = views.get(index);
      v.toggle();
    }
  }