treeLayers = new JTrafficLayerTree();
treeLayers.setShowsRootHandles(false);
treeLayers.setToggleClickCount(-1);
treeLayers.setModel(new DefaultTreeModel(new DefaultMutableTreeNode("No project loaded")));
treeLayers.setEditable(true);
treeLayers.setCellRenderer(new ProjectTreeCellRenderer());
treeLayers.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
}
return treeLayers;
}