This add-on can be used to add a column with spark lines to Flow Grid. See [demo](https://incubator.app.fi/sparkline-renderer-demo/sparkline-renderer) for examples of the features. #### Basic use ```java public class SparklineRendererDemoView extends DemoView { private void basicDemo() { //... Grid grid = new Grid<>(); grid.addColumn(Song::getName).setHeader("Name").setSortable(true); grid.addColumn(Song::getArtist).setHeader("Artist").setSortable(true); grid.setItems(createListOfOneSongs()); // add a column with SparklineRenderer to Grid grid.addColumn(new SparklineRenderer<>(this::createSparklineValues, song -> new SparklineConfiguration())).setHeader("Daily listeners"); //... } private SparklineValues createSparklineValues(Song song) { // convert existing time series data to a SparklineValues object return new SparklineValues(song.getDailyListeners().getMeasurements().stream().map(measurement -> new SparklineValues.SparklineValue(measurement.getInstant(), measurement.getValue())).collect(Collectors.toList())); } } ``` ## License & Author This Add-on is distributed under Apache 2.0 Component Factory Sparkline Renderer is written by Vaadin Ltd. ### Sponsored development Major pieces of development of this add-on has been sponsored by multiple customers of Vaadin. Read more about Expert on Demand at: [Support](https://vaadin.com/support) and [Pricing](https://vaadin.com/pricing)