create JavaFX Stacked Bar Chart - Java JavaFX

Java examples for JavaFX:Chart

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Description

create JavaFX Stacked Bar Chart

Demo Code

/*//www  .ja  v  a2  s  . c  o  m
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 *    from this software without specific prior written permission.
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//package com.java2s;
import java.util.Random;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;

import javafx.scene.Node;

import javafx.scene.chart.BarChart;

import javafx.scene.chart.CategoryAxis;

import javafx.scene.chart.NumberAxis;

import javafx.scene.chart.StackedBarChart;

public class Main {
    public static void main(String[] argv) throws Exception {
        boolean horizontal = true;
        boolean simple = true;
        System.out.println(createStackedBarChart(horizontal, simple));
    }

    static Node createStackedBarChart(boolean horizontal, boolean simple) {
        return createBarChart(horizontal, simple, true);
    }

    static Node createBarChart(boolean horizontal, boolean simple) {
        return createBarChart(horizontal, simple, false);
    }

    static Node createBarChart(boolean horizontal, boolean simple,
            boolean stacked) {
        final Random RANDOM = new Random(29782198273l);
        String[] years = { "2001", "2002", "2003" };
        String[] series;
        if (simple) {
            series = new String[] { "A", "B", "C" };
        } else {
            series = new String[] { "A", "B", "C", "D", "E", "F", "G", "H" };
        }
        CategoryAxis xAxis = new CategoryAxis(
                FXCollections.<String> observableArrayList(years));
        NumberAxis yAxis = new NumberAxis();
        yAxis.setLabel("Units Sold");
        ObservableList<BarChart.Series> barChartData = FXCollections
                .observableArrayList();
        final double negative = stacked ? 0 : -500;
        for (int s = 0; s < series.length; s++) {
            ObservableList<BarChart.Data> sd = FXCollections
                    .observableArrayList();
            for (int y = 0; y < years.length; y++) {
                if (horizontal) {
                    sd.add(new BarChart.Data(negative
                            + (2000 * RANDOM.nextDouble()), years[y]));
                } else {
                    sd.add(new BarChart.Data(years[y], negative
                            + (2000 * RANDOM.nextDouble())));
                }
            }
            barChartData.add(new BarChart.Series(series[s], sd));
        }
        Node barChart;
        if (stacked) {
            if (horizontal) {
                barChart = new StackedBarChart(yAxis, xAxis, barChartData);
            } else {
                barChart = new StackedBarChart(xAxis, yAxis, barChartData);
            }
        } else {
            if (horizontal) {
                barChart = new BarChart(yAxis, xAxis, barChartData);
            } else {
                barChart = new BarChart(xAxis, yAxis, barChartData);
            }
        }
        return barChart;
    }
}

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