private static Groups prepareGroups(
@NotNull VcsLogDataPack dataPack,
@Nullable Collection<VirtualFile> visibleRoots,
@Nullable List<List<String>> recentItems) {
Groups filteredGroups = new Groups();
Collection<VcsRef> allRefs = dataPack.getRefs().getBranches();
for (Map.Entry<VirtualFile, Set<VcsRef>> entry :
VcsLogUtil.groupRefsByRoot(allRefs).entrySet()) {
VirtualFile root = entry.getKey();
if (visibleRoots != null && !visibleRoots.contains(root)) continue;
Collection<VcsRef> refs = entry.getValue();
VcsLogProvider provider = dataPack.getLogProviders().get(root);
VcsLogRefManager refManager = provider.getReferenceManager();
List<RefGroup> refGroups = refManager.group(refs);
putActionsForReferences(refGroups, filteredGroups);
}
if (recentItems != null) {
for (List<String> recentItem : recentItems) {
if (recentItem.size() == 1) {
final String item = ContainerUtil.getFirstItem(recentItem);
if (filteredGroups.singletonGroups.contains(item)
|| ContainerUtil.find(
filteredGroups.expandedGroups.values(), strings -> strings.contains(item))
!= null) {
continue;
}
}
filteredGroups.recentGroups.add(recentItem);
}
}
return filteredGroups;
}
private static <T> void addNewElements(
@NotNull Collection<T> original, @NotNull Collection<T> toAdd) {
for (T item : toAdd) {
if (!original.contains(item)) {
original.add(item);
}
}
}