public DrawnIconVertexDemo(final Deployment dm) {
    this.dmodel = dm;
    // create a simple graph for the demo
    graph = new DirectedSparseGraph<Vertex, Edge>();
    vv = new VisualizationViewer<Vertex, Edge>(new SpringLayout2<Vertex, Edge>(graph));

    vv.getRenderContext().setVertexLabelRenderer(new DefaultVertexLabelRenderer(Color.cyan));
    vv.getRenderContext().setEdgeLabelRenderer(new DefaultEdgeLabelRenderer(Color.cyan));

    vv.getRenderContext().setVertexIconTransformer(vertexColor);


    vv.getRenderContext().setVertexFillPaintTransformer(new PickableVertexPaintTransformer<Vertex>(vv.getPickedVertexState(), Color.white, Color.yellow));
    vv.getRenderContext().setEdgeDrawPaintTransformer(edgeColor);

    vv.setBackground(Color.white);

    // add my listener for ToolTips
    vv.setVertexToolTipTransformer(new ToStringLabeller<Vertex>());
}
 

@Override
public <V> Component getVertexLabelRendererComponent(final JComponent vv, final Object value, final Font fnt, final boolean sel, final V vertex) {
  final DefaultVertexLabelRenderer renderer = (DefaultVertexLabelRenderer) super.getVertexLabelRendererComponent(vv, value, fnt, sel, vertex);
  final AbstractTopologyComponent data = (AbstractTopologyComponent) vertex;
  renderer.setHorizontalTextPosition(SwingConstants.CENTER);
  renderer.setVerticalTextPosition(SwingConstants.BOTTOM);
  renderer.setText(TopologyUtils.getDisplayName(data, StatsHandler.getInstance().getShowIPHandler().isShowIP()));

  String path = null;
  Color background = Color.white;
  Color backgroundSelected = Color.blue;
  final Color foreground = sel ? AbstractTreeCellRenderer.DEFAULT_SELECTION_FOREGROUND : AbstractTreeCellRenderer.DEFAULT_FOREGROUND;
  if (baseFont == null) {
    final Font f2 = renderer.getFont();
    baseFont = new Font(f2.getFontName(), f2.getStyle(), 10);
    boldFont = new Font(baseFont.getName(), Font.BOLD, baseFont.getSize());
    italicFont = new Font(baseFont.getName(), Font.ITALIC, baseFont.getSize());
    boldItalicFont = new Font(baseFont.getName(), Font.BOLD|Font.ITALIC, baseFont.getSize());
  }
  Font font = baseFont;

  if (data.isDriver()) {
    final JPPFClientConnection c = ((TopologyDriver) data).getConnection();
    if (c == null) {
      path = AbstractTreeCellRenderer.DRIVER_ICON;
      background = AbstractTreeCellRenderer.INACTIVE_COLOR;
    } else if (c.getStatus().isWorkingStatus()) {
      path = AbstractTreeCellRenderer.DRIVER_ICON;
      background = AbstractTreeCellRenderer.ACTIVE_COLOR;
      font = boldFont;
    } else {
      path = AbstractTreeCellRenderer.DRIVER_INACTIVE_ICON;
      background = AbstractTreeCellRenderer.INACTIVE_COLOR;
      backgroundSelected = AbstractTreeCellRenderer.INACTIVE_SELECTION_COLOR;
      font = boldItalicFont;
    }
  } else {
    path = GuiUtils.computeNodeIconKey((TopologyNode) data);
    if (((TopologyNode) data).getStatus() != TopologyNodeStatus.UP) {
      background = AbstractTreeCellRenderer.INACTIVE_COLOR;
      backgroundSelected = AbstractTreeCellRenderer.INACTIVE_SELECTION_COLOR;
      font = italicFont;
    }
  }

  if (font != null) renderer.setFont(font);
  final ImageIcon icon = GuiUtils.loadIcon(path);
  renderer.setIcon(icon);
  renderer.setBackground(sel ? backgroundSelected : background);
  renderer.setForeground(foreground);

  return renderer;
}