ScrolledComposite sc = new ScrolledComposite(tabs, SWT.H_SCROLL | SWT.V_SCROLL);
item.setControl(sc);
SWTNanoGraphPanel panel = new SWTNanoGraphPanel(sc, SWT.DOUBLE_BUFFERED);
sc.setContent(panel);
panel.getNanoGraph().setDefaultNodeRenderer(new AtomRenderer());
panel.getNanoGraph().setDefaultEdgeRenderer(new MoleculeVertexRenderer());
panel.getNanoGraph().setDefaultDockingStrategy(new CenterDockingStrategy(AtomRenderer.DIAMETER));
panel.setModel(model);
}