private void AddToSubgroup(object item, LiveShapingItem lsi, CollectionViewGroupInternal group, int level, object name, bool loading)
{
int index = !loading || !this.IsDataInGroupOrder ? 0 : group.LastIndex;
object groupNameKey = this.GetGroupNameKey(name, group);
CollectionViewGroupInternal subgroupFromMap;
if ((subgroupFromMap = group.GetSubgroupFromMap(groupNameKey)) != null && group.GroupBy.NamesMatch(subgroupFromMap.Name, name))
{
group.LastIndex = group.Items[index] == subgroupFromMap ? index : 0;
this.AddToSubgroups(item, lsi, subgroupFromMap, level + 1, loading);
}
else
{
for (int count = group.Items.Count; index < count; ++index)
{
CollectionViewGroupInternal viewGroupInternal = group.Items[index] as CollectionViewGroupInternal;
if (viewGroupInternal != null && group.GroupBy.NamesMatch(viewGroupInternal.Name, name))
{
group.LastIndex = index;
group.AddSubgroupToMap(groupNameKey, viewGroupInternal);
this.AddToSubgroups(item, lsi, viewGroupInternal, level + 1, loading);
return;
}
}
CollectionViewGroupInternal viewGroupInternal1 = new CollectionViewGroupInternal(name, group);
this.InitializeGroup(viewGroupInternal1, group.GroupBy, level + 1);
if (loading)
{
group.Add((object)viewGroupInternal1);
group.LastIndex = index;
}
else
{
group.Insert((object)viewGroupInternal1, item, this.ActiveComparer);
}
group.AddSubgroupToMap(groupNameKey, viewGroupInternal1);
this.AddToSubgroups(item, lsi, viewGroupInternal1, level + 1, loading);
}
}
private void MoveWithinSubgroup(object item, CollectionViewGroupInternal group, int level, object name, IList list, int oldIndex, int newIndex)
{
object groupNameKey = this.GetGroupNameKey(name, group);
CollectionViewGroupInternal subgroupFromMap;
if ((subgroupFromMap = group.GetSubgroupFromMap(groupNameKey)) != null && group.GroupBy.NamesMatch(subgroupFromMap.Name, name))
{
this.MoveWithinSubgroups(item, subgroupFromMap, level + 1, list, oldIndex, newIndex);
}
else
{
int index = 0;
for (int count = group.Items.Count; index < count; ++index)
{
CollectionViewGroupInternal viewGroupInternal = group.Items[index] as CollectionViewGroupInternal;
if (viewGroupInternal != null && group.GroupBy.NamesMatch(viewGroupInternal.Name, name))
{
group.AddSubgroupToMap(groupNameKey, viewGroupInternal);
this.MoveWithinSubgroups(item, viewGroupInternal, level + 1, list, oldIndex, newIndex);
break;
}
}
}
}