private TreeNode AddElement(ref ActiveUp.WebControls.Nodes nodes, TreeNode newNode)
{
if (newNode != null)
{
nodes.NodesList.Add(new ActiveUp.WebControls.Node(newNode.Key, newNode.Parent.ID, newNode.Text, newNode.Link));
}
if (this.Nodes.Count > 0)
{
foreach (TreeNode node in this.Nodes)
{
bool isAlreadyIn = false;
for (int i = 0; i < nodes.NodesList.Count; i++)
{
if (((ActiveUp.WebControls.Node)nodes.NodesList[i]).Key == node.Key)
{
isAlreadyIn = true;
break;
}
}
if (isAlreadyIn == false)
{
if (this.AddElement(ref nodes, node) != null)
{
return(this.AddElement(ref nodes, node));
}
}
}
}
return(null);
}
/// <summary>
/// Load a treeview structure from a xml file.
/// </summary>
/// <param name="fileName">File path of the xml file.</param>
public void LoadFromXml(string fileName)
{
TextReader reader = new StreamReader(fileName);
XmlSerializer serializer = new XmlSerializer(typeof(ActiveUp.WebControls.Nodes));
ActiveUp.WebControls.Nodes nodes = (ActiveUp.WebControls.Nodes)serializer.Deserialize(reader);
reader.Close();
if (nodes.NodesList.Count > 0)
{
foreach (ActiveUp.WebControls.Node n in nodes.NodesList)
{
if (n.ParentKey == "0")
{
ActiveUp.WebControls.TreeNode node = this.AddNode(n.Key, n.Label, n.Link, n.Target, n.Expanded, n.Icon);
//this.Controls.Add(node);
}
else
{
ActiveUp.WebControls.TreeNode node = this.FindNode(n.ParentKey).AddNode(n.Key, n.Label, n.Link, n.Target, n.Expanded, n.Icon);
//this.Controls.Add(node);
}
}
}
}