private void AnalyzeChanges(FolderNode folder, bool expand, ref bool showHigher, ref bool showLower)
{
// look at files for changes
foreach (FileItem file in folder.Files.Values)
foreach (ulong id in file.GetRealChanges().Keys)
{
ChangeCount[id]++;
if (HigherIDs.Contains(id))
showHigher = true;
else
showLower = true;
}
// look at folders for changes
foreach (FolderNode sub in folder.Folders.Values)
{
foreach (ulong id in sub.GetRealChanges().Keys)
{
ChangeCount[id]++;
if (HigherIDs.Contains(id))
showHigher = true;
else
showLower = true;
}
// recurse
bool subChangesHigh = false, subChangesLow = false;
AnalyzeChanges(sub, expand, ref subChangesHigh, ref subChangesLow);
if(subChangesHigh)
showHigher = true;
if(subChangesLow)
showLower = true;
}
folder.ContainsHigherChanges = showHigher;
folder.ContainsLowerChanges = showLower;
if (showHigher || showLower)
{
folder.UpdateOverlay();
if (expand)
folder.EnsureVisible();
}
}
