private static void showFrame(Drawing model, String title) {
JFrame frame = new JFrame(title);
DrawingAttributeSet attrs = new DrawingAttributeSet();
Canvas canvas = new Canvas();
Toolbar toolbar = new Toolbar(canvas, attrs);
canvas.setModel(model, new UndoLogDispatcher(new UndoLog()));
canvas.setTool(toolbar.getDefaultTool());
AttrTable table = new AttrTable(frame);
AttrTableDrawManager manager = new AttrTableDrawManager(canvas, table, attrs);
manager.attributesSelected();
HorizontalSplitPane west = new HorizontalSplitPane(toolbar, table, 0.5);