protected override void OnCommitAdd(ItemStore store, IEnumerable <string> items, int index = -1)
{
var groups =
from item in ParseNames(items)
where !store.Contains(item)
let isCamelCase = char.IsLower(item.FirstOrDefault())
group item by isCamelCase into g
select new { isCamelCase = g.Key, items = g };
var divider =
store.TakeWhile(item => !char.IsUpper(item.FirstOrDefault())).Select((item, i) => i + 1).LastOrDefault();
foreach (var group in groups)
{
if (group.isCamelCase)
{
var position = (index == -1 || index > divider) ? divider : index;
base.OnCommitAdd(store, group.items, position);
}
else
{
var position = (index == -1) ? -1 : index + divider;
base.OnCommitAdd(store, group.items, position);
}
}
}