// Token: 0x060073A1 RID: 29601 RVA: 0x00211674 File Offset: 0x0020F874
internal int LeafIndexOf(object item)
{
int num = 0;
int i = 0;
int count = base.Items.Count;
while (i < count)
{
CollectionViewGroupInternal collectionViewGroupInternal = base.Items[i] as CollectionViewGroupInternal;
if (collectionViewGroupInternal != null)
{
int num2 = collectionViewGroupInternal.LeafIndexOf(item);
if (num2 >= 0)
{
return(num + num2);
}
num += collectionViewGroupInternal.ItemCount;
}
else
{
if (ItemsControl.EqualsEx(item, base.Items[i]))
{
return(num);
}
num++;
}
i++;
}
return(-1);
}
// return the index of the given item within the list of leaves governed
// by this group
internal int LeafIndexOf(object item)
{
int leaves = 0; // number of leaves we've passed over so far
for (int k = 0, n = Items.Count; k < n; ++k)
{
CollectionViewGroupInternal subgroup = Items[k] as CollectionViewGroupInternal;
if (subgroup != null)
{
int subgroupIndex = subgroup.LeafIndexOf(item);
if (subgroupIndex < 0)
{
leaves += subgroup.ItemCount; // item not in this subgroup
}
else
{
return(leaves + subgroupIndex); // item is in this subgroup
}
}
else
{
// current item is a leaf - compare it directly
if (System.Windows.Controls.ItemsControl.EqualsEx(item, Items[k]))
{
return(leaves);
}
else
{
leaves += 1;
}
}
}
// item not found
return(-1);
}