@UiHandler("tagScrollPanel")
public void dragFollowingScrollPanel(ScrollEvent event) {
if (tagScrollPanel.getVerticalScrollPosition()
== tagScrollPanel.getMaximumVerticalScrollPosition()
&& totalResourceCount < totalHintCount) {
String profileUserUserId = AppClientFactory.getPlaceManager().getRequestParameter("id", null);
AppClientFactory.getInjector()
.getUserService()
.getResourcesByTag(
tagId,
Integer.toString(totalResourceCount),
limit,
profileUserUserId,
new SimpleAsyncCallback<List<UserTagsResourceDO>>() {
@Override
public void onSuccess(List<UserTagsResourceDO> result) {
if (result.size() > 0) {
totalResourceCount = totalResourceCount + result.size();
for (int i = 0; i < result.size(); i++) {
ProfileUserTagsResourceWidget profileUserTagsResourceWidget =
new ProfileUserTagsResourceWidget(result.get(i));
userTagsResourceContainerConatiner.add(profileUserTagsResourceWidget);
}
}
}
});
}
}
/** Does the actual addition of {@link UserItem}s to the top of the list. */
private void addHead() {
List<UserItem> l = head;
if (l.size() > 0) {
head = new ArrayList<UserItem>();
headKeys = new HashSet<Key>();
int offsetHeight = flowPanel.getOffsetHeight();
for (int i = l.size() - 1; i >= 0; i--) {
UserItem e = l.get(i);
RowWidget row = createRow(e);
flowPanel.insert(row, 0);
rows.put(row.getKey(), row);
}
int deltaHeight = flowPanel.getOffsetHeight() - offsetHeight;
scrollPanel.setVerticalScrollPosition(scrollPanel.getVerticalScrollPosition() + deltaHeight);
rowsAdded();
NewDataEvent.fire(this, NewDataType.NEW_DATA_SHOWN);
}
}