jfreechart example source code file (CombinedXYPlotDemo1.java)

This example jfreechart source code file (CombinedXYPlotDemo1.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - jfreechart tags/keywords

awt, combinedxyplotdemo1, combinedxyplotdemo1, decimalformat, gui, intervalxydataset, jfreechart, jfreechart, month, month, series, swing, text, timeseries, timeseries, timeseriescollection, xybarrenderer, xyplot

The jfreechart CombinedXYPlotDemo1.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2009, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * ------------------------
 * CombinedXYPlotDemo1.java
 * ------------------------
 * (C) Copyright 2008, 2009, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   ;
 *
 * Changes
 * -------
 * 05-May-2008 : Version 1 (DG);
 *
 */

package org.jfree.experimental.chart.demo;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Paint;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;

import javax.swing.JPanel;

import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.labels.StandardXYToolTipGenerator;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYBarRenderer;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.chart.title.LegendTitle;
import org.jfree.data.time.Month;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.IntervalXYDataset;
import org.jfree.data.xy.XYDataset;
import org.jfree.experimental.chart.plot.CombinedXYPlot;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

/**
 * A demonstration application showing a {@link CombinedXYPlot} with
 * two subplots.
 */
public class CombinedXYPlotDemo1 extends ApplicationFrame {

    /**
     * Constructs a new demonstration application.
     *
     * @param title  the frame title.
     */
    public CombinedXYPlotDemo1(String title) {
        super(title);
        JPanel panel = createDemoPanel();
        panel.setPreferredSize(new java.awt.Dimension(500, 270));
        setContentPane(panel);
    }

    /**
     * Creates an overlaid chart.
     *
     * @return The chart.
     */
    private static JFreeChart createCombinedChart() {

        // create plot ...
        IntervalXYDataset data1 = createDataset1();
        XYItemRenderer renderer1 = new XYLineAndShapeRenderer(true, false);
        renderer1.setBaseToolTipGenerator(new StandardXYToolTipGenerator(
                StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT,
                new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0.00")));
        renderer1.setSeriesStroke(0, new BasicStroke(4.0f,
                BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
        renderer1.setSeriesPaint(0, Color.blue);

        DateAxis domainAxis = new DateAxis("Year");
        domainAxis.setLowerMargin(0.0);
        domainAxis.setUpperMargin(0.02);
        ValueAxis rangeAxis = new NumberAxis("$billion");
        XYPlot plot1 = new XYPlot(data1, null, rangeAxis, renderer1);
        plot1.setBackgroundPaint(Color.lightGray);
        plot1.setDomainGridlinePaint(Color.white);
        plot1.setRangeGridlinePaint(Color.white);

        // add a second dataset and renderer...
        IntervalXYDataset data2 = createDataset2();
        XYBarRenderer renderer2 = new XYBarRenderer() {
            public Paint getItemPaint(int series, int item) {
                XYDataset dataset = getPlot().getDataset();
                if (dataset.getYValue(series, item) >= 0.0) {
                    return Color.red;
                }
                else {
                    return Color.green;
                }
            }
        };
        renderer2.setSeriesPaint(0, Color.red);
        renderer2.setDrawBarOutline(false);
        renderer2.setBaseToolTipGenerator(new StandardXYToolTipGenerator(
                StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT,
                new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0.00")));

        XYPlot plot2 = new XYPlot(data2, null, new NumberAxis("$billion"),
                renderer2);
        plot2.setBackgroundPaint(Color.lightGray);
        plot2.setDomainGridlinePaint(Color.white);
        plot2.setRangeGridlinePaint(Color.white);

        CombinedXYPlot cplot = new CombinedXYPlot(domainAxis, rangeAxis);
        cplot.add(plot1, 3);
        cplot.add(plot2, 2);
        cplot.setGap(8.0);
        cplot.setDomainGridlinePaint(Color.white);
        cplot.setDomainGridlinesVisible(true);

        // return a new chart containing the overlaid plot...
        JFreeChart chart = new JFreeChart("CombinedXYPlotDemo1",
                JFreeChart.DEFAULT_TITLE_FONT, cplot, false);
        chart.setBackgroundPaint(Color.white);
        LegendTitle legend = new LegendTitle(cplot);
        chart.addSubtitle(legend);
        return chart;
    }

    /**
     * Creates a sample dataset.  You wouldn't normally hard-code the
     * population of a dataset in this way (it would be better to read the
     * values from a file or a database query), but for a self-contained demo
     * this is the least complicated solution.
     *
     * @return The dataset.
     */
    private static IntervalXYDataset createDataset1() {

        // create dataset 1...
        TimeSeries series1 = new TimeSeries("Series 1");
        series1.add(new Month(1, 2005), 7627.743);
        series1.add(new Month(2, 2005), 7713.138);
        series1.add(new Month(3, 2005), 6776.939);
        series1.add(new Month(4, 2005), 5764.537);
        series1.add(new Month(5, 2005), 4777.880);
        series1.add(new Month(6, 2005), 4836.496);
        series1.add(new Month(7, 2005), 3887.618);
        series1.add(new Month(8, 2005), 3926.933);
        series1.add(new Month(9, 2005), 4932.710);
        series1.add(new Month(10, 2005), 4027.123);
        series1.add(new Month(11, 2005), 8092.322);
        series1.add(new Month(12, 2005), 8170.414);
        series1.add(new Month(1, 2006), 8196.070);
        series1.add(new Month(2, 2006), 8269.886);
        series1.add(new Month(3, 2006), 5371.156);
        series1.add(new Month(4, 2006), 5355.718);
        series1.add(new Month(5, 2006), 5356.777);
        series1.add(new Month(6, 2006), 8420.042);
        series1.add(new Month(7, 2006), 8444.347);
        series1.add(new Month(8, 2006), 8515.034);
        series1.add(new Month(9, 2006), 8506.974);
        series1.add(new Month(10, 2006), 8584.329);
        series1.add(new Month(11, 2006), 8633.246);
        series1.add(new Month(12, 2006), 8680.224);
        series1.add(new Month(1, 2007), 8707.561);
        return new TimeSeriesCollection(series1);

    }

    /**
     * Creates a sample dataset.  You wouldn't normally hard-code the
     * population of a dataset in this way (it would be better to read the
     * values from a file or a database query), but for a self-contained demo
     * this is the least complicated solution.
     *
     * @return A sample dataset.
     */
    private static IntervalXYDataset createDataset2() {
        TimeSeriesCollection dataset = new TimeSeriesCollection();

        TimeSeries series1 = new TimeSeries("Series 2");
        series1.add(new Month(1, 2005), 1200);
        series1.add(new Month(2, 2005), 1400);
        series1.add(new Month(3, 2005), 1500);
        series1.add(new Month(4, 2005), 1700);
        series1.add(new Month(5, 2005), 1600);
        series1.add(new Month(6, 2005), 2400);
        series1.add(new Month(7, 2005), 2100);
        series1.add(new Month(8, 2005), 2200);
        series1.add(new Month(9, 2005), 800);
        series1.add(new Month(10, 2005), 2350);
        series1.add(new Month(11, 2005), 500);
        series1.add(new Month(12, 2005), 700);
        series1.add(new Month(1, 2006), 900);
        series1.add(new Month(2, 2006), 1500);
        series1.add(new Month(3, 2006), 2100);
        series1.add(new Month(4, 2006), 2200);
        series1.add(new Month(5, 2006), 1900);
        series1.add(new Month(6, 2006), 3000);
        series1.add(new Month(7, 2006), 3780);
        series1.add(new Month(8, 2006), 4000);
        series1.add(new Month(9, 2006), 4500);
        series1.add(new Month(10, 2006), 7000);
        series1.add(new Month(11, 2006), 5500);
        series1.add(new Month(12, 2006), 6000);
        series1.add(new Month(1, 2007), 6500);
        dataset.addSeries(series1);
        return dataset;

    }

    /**
     * Creates a panel for the demo (used by SuperDemo.java).
     *
     * @return A panel.
     */
    public static JPanel createDemoPanel() {
        JFreeChart chart = createCombinedChart();
        return new ChartPanel(chart);
    }

    /**
     * Starting point for the demonstration application.
     *
     * @param args  ignored.
     */
    public static void main(String[] args) {
        CombinedXYPlotDemo1 demo = new CombinedXYPlotDemo1(
                "JFreeChart : CombinedXYPlotDemo1");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);
    }

}