/**
* Refreshes the members, filtered by any fixed criteria, as well as any user-specified filters.
*/
public void refresh() {
Criteria criteria = getCurrentCriteria();
Map<String, Object> criteriaMap =
(criteria != null) ? criteria.getValues() : Collections.<String, Object>emptyMap();
try {
carouselSizeFilter = Integer.valueOf((String) criteriaMap.get(FILTER_CAROUSEL_SIZE));
} catch (Exception e) {
carouselSizeFilter = null;
}
try {
carouselStartFilter = (Integer) criteriaMap.get(FILTER_CAROUSEL_START);
} catch (Exception e) {
carouselStartFilter = null;
}
// on refresh remove any end filter as the criteria may have changed completely
carouselEndFilter = null;
// Any change to filters means we have to rebuild the carousel because the set of members may
// change, because
// "empty" members (i.e. members whose relevant data has been completely filtered) may be
// omitted completely
// from the carousel.
buildCarousel(true);
// TODO: it would be best if this was actually called after the async return of the member
// refreshes
refreshCarouselInfo();
}
private void next() {
if (null == carouselSizeFilter) {
carouselSizeFilter = getDefaultCarouselSize();
}
if (null != carouselEndFilter) {
int newStart = carouselEndFilter - 1;
newStart = (newStart < carouselSizeFilter) ? carouselSizeFilter : newStart;
setCarouselStartFilter(newStart);
}
setCarouselEndFilter(null);
buildCarousel(true);
}
private void previous() {
if (null == carouselSizeFilter) {
carouselSizeFilter = getDefaultCarouselSize();
}
if (null != carouselStartFilter) {
int newEnd = carouselStartFilter + 1;
setCarouselEndFilter(newEnd);
// it's ok if this is higher than the current max, the actual fetch will make sure the
// values are sane.
setCarouselStartFilter(carouselStartFilter + carouselSizeFilter);
}
buildCarousel(true);
}