private void updateHeaders(final List<Repository> repos) {
HeaderFooterListAdapter<?> rootAdapter = getListAdapter();
if (rootAdapter == null) return;
DefaultRepositoryListAdapter adapter =
(DefaultRepositoryListAdapter) rootAdapter.getWrappedAdapter();
adapter.clearHeaders();
char start = 'a';
Repository previous = null;
for (int i = 0; i < repos.size(); i++) {
Repository repository = repos.get(i);
if (recentRepos.contains(repository.getId())) {
previous = repository;
continue;
}
char repoStart = Character.toLowerCase(repository.getName().charAt(0));
if (repoStart < start) {
previous = repository;
continue;
}
adapter.registerHeader(repository, Character.toString(repoStart).toUpperCase(US));
if (previous != null) adapter.registerNoSeparator(previous);
start = repoStart;
if (start == 'z') break;
start++;
previous = repository;
}
if (!repos.isEmpty()) {
Repository first = repos.get(0);
if (recentRepos.contains(first))
adapter.registerHeader(first, getString(string.recently_viewed));
}
}
