new SimpleDetailsWidgetHelper(),
new DefaultPopupManagerFactory(new DefaultPopupFactory()),
hoverModel));
// create visualization
scatterPlot = new VisualizationWidget<ScatterPlot>(new ScatterPlot(),
selectionModel.getSelectionProxy(), hoverModel.getResources(),
barChartBehaviors, errorHandler);
// configure visual mappings
scatterPlot.setResolver(