public int IndexOf(TreeNode treeNode)
{
if (!IsNodeInView(treeNode))
{
return(-1);
}
int index = 0;
if (treeNode.ParentNode == null)
{
var rootNodes = RootNodes.Where(r => !r.IsFiltered).ToList();
var rootNodeIndex = rootNodes.IndexOf(treeNode);
if (rootNodeIndex == -1)
{
return(-1);
}
for (int i = 0; i < rootNodeIndex; i++)
{
index += rootNodes[i].GetYAmountCache();
}
return(index);
}
else
{
var childNodes = treeNode.ParentNode.ChildNodes.Where(r => !r.IsFiltered).ToList();
var childIndex = childNodes.IndexOf(treeNode);
index += childIndex + 1;
if (childIndex != 0)
{
for (int i = 0; i < childIndex; i++)
{
index += childNodes[i].GetYAmountCache() - 1;
}
}
}
return(index + IndexOf(treeNode.ParentNode));
}
