@Override
 public void update(Object theObserved, Object changeCode) {
   if (theObserved.equals(plotConsumer)) {
     if (changeCode instanceof DataBean) {
       plotWindow.processPlotUpdate((DataBean) changeCode);
       notifyDataObservers((DataBean) changeCode);
     } else if (changeCode instanceof GuiBean) {
       plotWindow.processGUIUpdate((GuiBean) changeCode);
     }
   } else {
     if (changeCode instanceof String && changeCode.equals(plotName)) {
       plotConsumer.addJob(new PlotJob(PlotJobType.Data));
     }
     if (changeCode instanceof GuiUpdate) {
       GuiUpdate gu = (GuiUpdate) changeCode;
       if (gu.getGuiName().contains(plotName)) {
         GuiBean bean = gu.getGuiData();
         UUID id = (UUID) bean.get(GuiParameters.PLOTID);
         if (id == null || plotId.compareTo(id) != 0) { // filter out own beans
           if (guiBean == null) guiBean = bean.copy(); // cache a local copy
           else guiBean.merge(bean); // or merge it
           PlotJob job = new PlotJob(PlotJobType.GUI);
           job.setGuiBean(bean);
           plotConsumer.addJob(job);
         }
       }
     }
   }
 }
  @Override
  public Object execute(ExecutionEvent event) throws ExecutionException {
    String viewName = event.getParameter(VIEW_NAME_PARAM);
    PlotWindow.getManager().openView(null, viewName);

    return null;
  }