 	import weave.core.LinkableWatcher;
 	import weave.core.SessionManager;
 	import weave.primitives.WeaveTreeItem;
-	import weave.utils.ColumnUtils;
 			
 	public class SessionNavigator extends CustomTree implements ILinkableObject
 	{

			private var _linkableObjectName:String;
			private var _linkableObjectTypeFilter:Class = null;
			private var _overrideSelectedItem:WeaveTreeItem;
			private var _treeChanged:Boolean;
			private const rootWatcher:LinkableWatcher = newLinkableChild(this, LinkableWatcher, invalidateList, true);
			
			override public function initialize():void
			{

				if (iowd)
					description = iowd.getDescription();
				else if (item.dependency is IAttributeColumn)
					description = (item.dependency as IAttributeColumn).getMetadata(ColumnMetadata.TITLE);
				
				var inParens:String = editorLabel || description;
				if (editorLabel && description)
