diff --git a/trunk/common/src/leaf/ui/LeafTree.java b/trunk/common/src/leaf/ui/LeafTree.java
new file mode 100644
index 00000000..63ad32db
--- /dev/null
+++ b/trunk/common/src/leaf/ui/LeafTree.java
@@ -0,0 +1,47 @@
+package leaf.ui;
+
+import java.util.Enumeration;
+import java.util.LinkedList;
+
+import javax.swing.JTree;
+import javax.swing.tree.TreeModel;
+import javax.swing.tree.TreeNode;
+import javax.swing.tree.TreePath;
+
+public class LeafTree extends JTree
+{
+
+	private static final long serialVersionUID = 1L;
+	
+	
+	
+	public LeafTree(TreeModel model)
+	{
+		super(model);
+	}
+	
+	public void saveExpansionState()
+	{
+		TreePath treePath = new TreePath((TreeNode)getModel().getRoot());
+		savePath( treePath );
+	}
+	
+	public void savePath( TreePath treePath )
+	{
+		//TODO
+		if( treePath != null )
+		{
+			Enumeration<TreePath> expanded = getExpandedDescendants(treePath);
+			if( expanded != null )
+			{
+				expanded.nextElement();
+			}
+		}
+	}
+	
+	public void loadExpansionState()
+	{
+		//TODO
+	}
+	
+}
diff --git a/trunk/common/src/leaf/ui/LeafTreeModel.java b/trunk/common/src/leaf/ui/LeafTreeModel.java
deleted file mode 100644
index 86c415d6..00000000
--- a/trunk/common/src/leaf/ui/LeafTreeModel.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package leaf.ui;
-
-import javax.swing.tree.DefaultTreeModel;
-import javax.swing.tree.TreeNode;
-
-public class LeafTreeModel extends DefaultTreeModel
-{
-
-	public LeafTreeModel(TreeNode root)
-	{
-		super(root);
-	}
-
-	private static final long serialVersionUID = 1L;
-
-}