public override ITreeNode Get(ITreePath path, ref int offset, bool getRef = false)
{
if (path.IsPathToCurrent)
{
return(this);
}
if (path.IsAbsolute)
{
offset = 0;
return(Root.Get(path.StepDown(), ref offset, getRef));
}
if (path.IsPathIndexed)
{
var arrayChild = GetChildByName(path.ArrayName);
return(arrayChild?.Get(path, ref offset, getRef));
}
var child = GetChildByName(path.Nodes.First());
return(child?.Get(path.StepDown(), ref offset, getRef));
}
public override void AddChild(ITreePath path, ITreeNode node)
{
if (path.IsPathToCurrent)
{
AddChild(node);
}
else if (path.IsAbsolute)
{
Root.AddChild(path.StepDown(), node);
}
else
{
var nextNode = path.Nodes.First();
var child = GetChildByName(nextNode);
if (child == null)
{
AddChild(new PlcMetaDataTreeNode(nextNode));
child = GetChildByName(nextNode);
}
child.AddChild(path.StepDown(), node);
}
}
