/// <summary>
/// Inserts into parent node based on index
/// </summary>
public void Insert(int index, TreeNode parentNode, Boolean onItemAddEvent = true)
{
parentNode.Nodes.Insert(index, this);
if (onItemAddEvent)
{
DragDropTreeView etv = parentNode.TreeView as DragDropTreeView;
etv.OnItemAdd(this);
}
}
/// <summary>
/// From SharpDevelop
/// Inserts this node into the specified <paramref name="parentNode"/>
/// at the position determined by the comparer
/// of the TreeView which contains the <paramref name="parentNode"/>,
/// assuming that all other immediate child nodes of the <paramref name="parentNode"/>
/// are in sorted order.
/// </summary>
public void InsertSorted(TreeNode parentNode, Boolean onItemAdd = true)
{
DragDropTreeView etv = parentNode.TreeView as DragDropTreeView;
if (etv.enableSorting)
{
this.Insert(this.GetInsertionIndex(parentNode.Nodes, parentNode.TreeView), parentNode, onItemAdd);
}
else
{
this.Insert(parentNode.Nodes.Count, parentNode, onItemAdd);
}
}
/// <summary>
/// Obtains the insertion index into parent node
/// </summary>
int GetInsertionIndex(TreeNodeCollection nodes, TreeView treeView)
{
if (treeView == null)
{
return(nodes.Count);
}
Comparison <TreeNode> comparison = null;
DragDropTreeView etv = treeView as DragDropTreeView;
if (etv == null)
{
if (treeView.TreeViewNodeSorter != null)
{
comparison = treeView.TreeViewNodeSorter.Compare;
}
}
else
{
if (etv.NodeSorter != null)
{
comparison = etv.NodeSorter.Compare;
}
}
if (comparison == null)
{
return(nodes.Count);
}
for (int i = 0; i < nodes.Count; ++i)
{
if (comparison(this, nodes[i]) < 0)
{
return(i);
}
}
return(nodes.Count);
}