ensemble.samples.charts.bar.StackedBarChartSample Maven / Gradle / Ivy

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package ensemble.samples.charts.bar;

import ensemble.Sample;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.scene.chart.*;

/**
 * A sample that displays data in a stacked bar chart.
 *
 * @see javafx.scene.chart.StackedBarChart
 * @see javafx.scene.chart.CategoryAxisBuilder
 * @see javafx.scene.chart.NumberAxis
 * @related charts/bar/BarChart
 *
 */
public class StackedBarChartSample extends Sample {

    public StackedBarChartSample() {
        String[] years = {"2007", "2008", "2009"};
        CategoryAxis xAxis = CategoryAxisBuilder.create()
                .categories(FXCollections.observableArrayList(years)).build();
        NumberAxis yAxis = NumberAxisBuilder.create()
                           .label("Units Sold")
                           .lowerBound(0.0d)
                           .upperBound(10000.0d)
                           .tickUnit(1000.0d).build();
        ObservableList barChartData = FXCollections.observableArrayList(
            new StackedBarChart.Series("Region 1", FXCollections.observableArrayList(
               new StackedBarChart.Data(years[0], 567d),
               new StackedBarChart.Data(years[1], 1292d),
               new StackedBarChart.Data(years[2], 1292d)
            )),
            new StackedBarChart.Series("Region 2", FXCollections.observableArrayList(
               new StackedBarChart.Data(years[0], 956),
               new StackedBarChart.Data(years[1], 1665),
               new StackedBarChart.Data(years[2], 2559)
            )),
            new StackedBarChart.Series("Region 3", FXCollections.observableArrayList(
               new StackedBarChart.Data(years[0], 1154),
               new StackedBarChart.Data(years[1], 1927),
               new StackedBarChart.Data(years[2], 2774)
            ))
        );
        
        StackedBarChart chart = new StackedBarChart(xAxis, yAxis, barChartData, 25.0d);
        getChildren().add(chart);
    }
}