/** {@inheritDoc} */
public void render(
final Panel renderContainer,
final ItemRenderer itemRenderer,
final PagedSet<? extends Serializable> items,
final String noItemsMessage) {
Panel left = new FlowPanel();
left.addStyleName(StaticResourceBundle.INSTANCE.coreCss().connectionColLeft());
left.addStyleName(StaticResourceBundle.INSTANCE.coreCss().connectionCol());
Panel right = new FlowPanel();
right.addStyleName(StaticResourceBundle.INSTANCE.coreCss().connectionColRight());
right.addStyleName(StaticResourceBundle.INSTANCE.coreCss().connectionCol());
int count = 0;
if (items.getTotal() == 0) {
Label noItemsMessageLabel = new Label(noItemsMessage);
noItemsMessageLabel.addStyleName(
StaticResourceBundle.INSTANCE.coreCss().connectionItemEmpty());
renderContainer.add(noItemsMessageLabel);
} else {
renderContainer.add(left);
renderContainer.add(right);
}
double halfwayPoint = items.getPagedSet().size() / 2.0;
for (Serializable item : items.getPagedSet()) {
if (count >= halfwayPoint) {
right.add(itemRenderer.render(item));
} else {
left.add(itemRenderer.render(item));
}
count++;
}
}
/**
* Test get followers. Dataset.xml has one follower for the group, so we should start with 1 and
* then see 3.
*/
@Test
public void testGetFollowers() {
final int maxFollowers = 10;
DomainGroup group = jpaGroupMapper.findByShortName("group1");
Person fordp2 = jpaPersonMapper.findByAccountId("fordp2");
Person csagan = jpaPersonMapper.findByAccountId("csagan");
PagedSet<Person> followers = jpaGroupMapper.getFollowers("group1", 0, maxFollowers);
assertEquals(3, followers.getTotal());
jpaGroupMapper.addFollower(fordp2.getId(), group.getId());
jpaGroupMapper.addFollower(csagan.getId(), group.getId());
followers = jpaGroupMapper.getFollowers("group1", 0, maxFollowers);
assertEquals(5, followers.getTotal());
}
/** Test getFollowing(). */
@Test
public void testGetFollowing() {
final long followedGroupId = 1L;
PagedSet<Followable> followedGroups = jpaGroupMapper.getFollowing("mrburns", 0, 9);
assertEquals(1, followedGroups.getTotal());
assertEquals(0, followedGroups.getFromIndex());
assertEquals(0, followedGroups.getToIndex());
List<Followable> groups = followedGroups.getPagedSet();
assertEquals(1, groups.size());
assertEquals(followedGroupId, groups.get(0).getId());
}
/**
* Returns Set of people following a user excluding themselves.
*
* @param inActionContext The action context.
* @return true if the group exists and the user is authorized, false otherwise
*/
@Override
public PagedSet<FollowerStatusable> execute(final PrincipalActionContext inActionContext) {
// get the request
GetFollowersFollowingRequest inRequest =
(GetFollowersFollowingRequest) inActionContext.getParams();
// get the unique entity Id
final String entityUniqueId = inRequest.getEntityId();
final long currentUserId = inActionContext.getPrincipal().getId();
Long entityId = getPersonIdByAccountIdMapper.execute(entityUniqueId);
List<Long> allIds = idsMapper.execute(entityId);
// determine the page
int startIndex = (inRequest.getStartIndex()).intValue();
int endIndex = (inRequest.getEndIndex()).intValue();
PagedSet<FollowerStatusable> pagedSet;
if (allIds.isEmpty()) {
pagedSet = new PagedSet<FollowerStatusable>();
} else if (startIndex >= allIds.size()) {
// if asking for a range beyond the end of the list return an empty set
pagedSet = new PagedSet<FollowerStatusable>();
pagedSet.setTotal(allIds.size());
} else {
if (endIndex >= allIds.size()) {
endIndex = allIds.size() - 1;
}
List<Long> pageIds = allIds.subList(startIndex, endIndex + 1);
List<FollowerStatusable> list = bulkModelViewMapper.execute(pageIds);
followerStatusPopulator.execute(currentUserId, list, FollowerStatus.NOTSPECIFIED);
pagedSet = new PagedSet<FollowerStatusable>(startIndex, endIndex, allIds.size(), list);
}
if (log.isTraceEnabled()) {
log.trace(
"Retrieved "
+ pagedSet.getFromIndex()
+ " to "
+ pagedSet.getToIndex()
+ " of "
+ pagedSet.getTotal()
+ " following for person "
+ entityUniqueId);
}
return pagedSet;
}