Little Registry Cleaner/Common Tools/TreeViewAdv/Tree/TreeModel.cs

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using System;
using System.Collections.Generic;
using System.Text;
using System.Collections.ObjectModel;

namespace Common_Tools.TreeViewAdv.Tree
{
	/// <summary>
	/// Provides a simple ready to use implementation of <see cref="ITreeModel"/>. Warning: this class is not optimized 
	/// to work with big amount of data. In this case create you own implementation of <c>ITreeModel</c>, and pay attention
	/// on GetChildren and IsLeaf methods.
	/// </summary>
	public class TreeModel : ITreeModel
	{
		private Node _root;
		public Node Root
		{
			get { return _root; }
		}

		public Collection<Node> Nodes
		{
			get { return _root.Nodes; }
		}

		public TreeModel()
		{
			_root = new Node();
			_root.Model = this;
		}

		public TreePath GetPath(Node node)
		{
			if (node == _root)
				return TreePath.Empty;
			else
			{
				Stack<object> stack = new Stack<object>();
				while (node != _root)
				{
					stack.Push(node);
					node = node.Parent;
				}
				return new TreePath(stack.ToArray());
			}
		}

		public Node FindNode(TreePath path)
		{
			if (path.IsEmpty())
				return _root;
			else
				return FindNode(_root, path, 0);
		}

		private Node FindNode(Node root, TreePath path, int level)
		{
			foreach (Node node in root.Nodes)
				if (node == path.FullPath[level])
				{