public void GenerateCollectionsRecursive()
{
List <ModelTreeItem> newNodes = new List <ModelTreeItem>();
{
// Identify collections by separator characters.
var collectionGroups = ChildItems.GroupBy(c =>
{
int indexOfSeparator = c.Text.IndexOfAny(_CollectionSeparators);
if (indexOfSeparator > 0)
{
return(c.Text.Substring(0, indexOfSeparator));
}
return(string.Empty);
});
foreach (var group in collectionGroups)
{
if (group.Count() > 1 && group.Key != string.Empty)
{
// Locate the full collection name within the items text.
int originalSeparatorIndex = group.Key.Length;
int refinedSeparatorIndex = originalSeparatorIndex;
while (true)
{
if (group.First().Text.Length < refinedSeparatorIndex)
{
break;
}
int newSeparatorIndex = group.First().Text.IndexOfAny(_CollectionSeparators, refinedSeparatorIndex + 1);
if (newSeparatorIndex > refinedSeparatorIndex)
{
string newPrefix = group.First().Text.Substring(0, newSeparatorIndex);
if (group.Any(t => t.Text.Length < newSeparatorIndex || t.Text.Substring(0, newSeparatorIndex) != newPrefix))
{
break;
}
refinedSeparatorIndex = newSeparatorIndex;
}
else
{
break;
}
}
string newCollectionKey = originalSeparatorIndex != refinedSeparatorIndex?group.First().Text.Substring(0, refinedSeparatorIndex) : group.Key;
// Virtualize collection, except if the name matches with this node.
if (this.Text != newCollectionKey)
{
newNodes.Add(this.VirtualizeChildrenByTextPrefix(newCollectionKey, newCollectionKey));
}
}
}
}
foreach (var child in ChildItems.Where(c => !newNodes.Contains(c)))
{
child.GenerateCollectionsRecursive();
}
}