1 files changed, 141 insertions, 0 deletions
diff --git a/NodeTree.cs b/NodeTree.cs
new file mode 100644
index 0000000..6d4a145
--- /dev/null
+++ b/NodeTree.cs
@@ -0,0 +1,141 @@
+// Noddybox.GUI - various GUI support routines
+// Copyright (C) 2004  Ian Cowburn
+// 
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+//
+// $Id$
+//
+using System;
+using System.Windows.Forms;
+
+namespace Noddybox.GUI
+{
+	/// <summary>
+	/// Provides a directory based interface to creating a TreeView
+	/// </summary>
+	public class NodeTree
+	{
+		// --------------------------------
+		// PUBLIC
+		// --------------------------------
+
+		/// <summary>
+		/// Constructs the pathed Tree
+		/// </summary>
+		/// <param name="tree">The GUI object to manage</param>
+		public NodeTree(TreeView tree)
+		{
+			m_dir=new DirectoryCollection();
+			m_tree=tree;
+			
+			m_dir.Add("/",m_tree.Nodes);
+		}
+		
+		/// <summary>
+		/// Adds a node
+		/// </summary>
+		/// <param name="path">The path to the node</param>
+		/// <param name="name">The text to put in the node</param>
+		/// <param name="tag">The tag to associate with the node</param>
+		public void Add(string path, string name, object tag)
+		{
+			Add(path,new TreeNode(name),tag);
+		}
+
+		/// <summary>
+		/// Adds a node
+		/// </summary>
+		/// <param name="path">The path to the node</param>
+		/// <param name="node">The Node to put there</param>
+		/// <param name="tag">The tag to associate with node</param>
+		public void Add(string path, TreeNode node, object tag)
+		{
+			if (m_dir.IsRoot(path))
+			{
+				throw new ArgumentException("Cannot set the root element");
+			}
+			
+			node.Tag=tag;
+			m_dir.Add(path,node);
+			
+			object o=m_dir.GetParent(path);
+			
+			if (o is TreeNodeCollection)
+			{
+				TreeNodeCollection n=(TreeNodeCollection)o;
+				
+				n.Add(node);
+			}
+			else
+			{
+				TreeNode n=(TreeNode)o;
+				
+				n.Nodes.Add(node);
+			}
+		}
+		
+		/// <summary>
+		/// Gets a node
+		/// </summary>
+		/// <param name="path">The path to the node</param>
+		/// <returns>The TreeNode object</returns>
+		public TreeNode Get(string path)
+		{
+			if (m_dir.IsRoot(path))
+			{
+				throw new ArgumentException("Cannot get the root element");
+			}
+			
+			return (TreeNode)m_dir.Get(path);
+		}
+
+		/// <summary>
+		/// Removes a section of the tree recursively
+		/// </summary>
+		/// <param name="path">The path to remove</param>
+		public void Remove(string path)
+		{
+			if (m_dir.IsRoot(path))
+			{
+				throw new ArgumentException("Cannot remove the root element");
+			}
+			
+			object o=m_dir.GetParent(path);
+			TreeNode node=(TreeNode)m_dir.Get(path);
+			
+			m_dir.Remove(path);
+			
+			if (o is TreeNodeCollection)
+			{
+				TreeNodeCollection n=(TreeNodeCollection)o;
+				
+				n.Remove(node);
+			}
+			else
+			{
+				TreeNode n=(TreeNode)o;
+				
+				n.Nodes.Remove(node);
+			}
+		}
+
+		// --------------------------------
+		// PRIVATE
+		// --------------------------------
+
+		private DirectoryCollection		m_dir;
+		private TreeView				m_tree;
+	}
+}