private void HandleNewChildSession(object sender, Session child)
{
var parentSession = (Session)sender;
var entry = sessionMap[parentSession];
var rootItem = entry.SessionListItem; // owner
var childItem = new SessionListItem(child);
entry.ChildItems.Add(childItem);
if (rootItem.HasToggleButton == false)
{
rootItem.HasToggleButton = true;
rootItem.IsExpanded = true;
}
if (rootItem.IsExpanded == true)
{
var index = _FlattenItems.IndexOf(rootItem);
if (index < 0)
{
throw new Exception("Session owner not found");
}
_FlattenItems.Insert(index + entry.ChildItems.Count, childItem);
RaiseItemAdded(index + entry.ChildItems.Count);
}
else
{
rootItem.IsFlagged = true;
}
ChildSessionAdded?.Invoke(sender, child);
}
public int IndexOf(SessionListItem item) => _FlattenItems.IndexOf(item);
