source: ether_eccad/trunk/ECCAD_INTERFACE/WEB-INF/src/org/medias/eccad/metier/test/TimeSeriesDemo.java @ 70

package org.medias.eccad.metier.test;
/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2004, 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., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
 * in the United States and other countries.]
 *
 * -------------------
 * TimeSeriesDemo.java
 * -------------------
 * (C) Copyright 2002-2004, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: TimeSeriesDemo.java,v 1.1 2005/04/28 16:29:16 harrym_nu Exp $
 *
 * Changes
 * -------
 * 08-Apr-2002 : Version 1 (DG);
 * 25-Jun-2002 : Removed unnecessary import (DG);
 *
 */


import java.awt.Color;
import java.text.SimpleDateFormat;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.XYDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

/**
 * An example of a time series chart.  For the most part, default settings are used, except that
 * the renderer is modified to show filled shapes (as well as lines) at each data point.
 *
 * @author David Gilbert
 */
public class TimeSeriesDemo extends ApplicationFrame {

    /**
         * 
         */
        private static final long serialVersionUID = 1L;

        /**
     * A demonstration application showing how to create a simple time series chart.  This
     * example uses monthly data.
     *
     * @param title  the frame title.
     */
    public TimeSeriesDemo(String title) {
        
        super(title);
        XYDataset dataset = createDataset();
        JFreeChart chart = createChart(dataset);
        ChartPanel chartPanel = new ChartPanel(chart);
        chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
        chartPanel.setMouseZoomable(true, false);
        setContentPane(chartPanel);

    }

    /**
     * Creates a chart.
     * 
     * @param dataset  a dataset.
     * 
     * @return A chart.
     */
    private JFreeChart createChart(XYDataset dataset) {

        JFreeChart chart = ChartFactory.createTimeSeriesChart(
            "Legal & General Unit Trust Prices",
            "Date", "Price Per Unit",
            dataset,
            true,
            true,
            false
        );

        chart.setBackgroundPaint(Color.white);

        //StandardLegen sl = (StandardLegend) chart.getLegend();
        //sl.setDisplaySeriesShapes(true);

        XYPlot plot = chart.getXYPlot();
        plot.setBackgroundPaint(Color.lightGray);
        plot.setDomainGridlinePaint(Color.white);
        plot.setRangeGridlinePaint(Color.white);
        //plot.setAxisOffset(new Spacer(Spacer.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
        plot.setDomainCrosshairVisible(true);
        plot.setRangeCrosshairVisible(true);
        
        XYItemRenderer renderer = plot.getRenderer();
        if (renderer instanceof StandardXYItemRenderer) {
//            StandardXYItemRenderer rr = (StandardXYItemRenderer) renderer;
            //rr.setPlotShapes(true);
//            rr.setShapesFilled(true);
//            rr.setItemLabelsVisible(true);
        }
        
        DateAxis axis = (DateAxis) plot.getDomainAxis();
        axis.setDateFormatOverride(new SimpleDateFormat("MMM-yyyy"));
        
        return chart;

    }
    
    // ****************************************************************************
    // * JFREECHART DEVELOPER GUIDE                                               *
    // * The JFreeChart Developer Guide, written by David Gilbert, is available   *
    // * to purchase from Object Refinery Limited:                                *
    // *                                                                          *
    // * http://www.object-refinery.com/jfreechart/guide.html                     *
    // *                                                                          *
    // * Sales are used to provide funding for the JFreeChart project - please    * 
    // * support us so that we can continue developing free software.             *
    // ****************************************************************************
    
    /**
     * Creates a dataset, consisting of two series of monthly data.
     *
     * @return the dataset.
     */
    private XYDataset createDataset() {

//        TimeSeries s1 = new TimeSeries("L&G European Index Trust", Day.class);
//        s1.add(new Day(2, 1, 2001), 181.8);
//        s1.add(new Day(3, 1, 2001), 167.3);
//        s1.add(new Day(4, 1, 2001), 153.8);
//        s1.add(new Day(5, 1, 2001), 167.6);
//        s1.add(new Day(6, 1, 2001), 158.8);
//        s1.add(new Day(7, 1, 2001), 148.3);
//        s1.add(new Day(8, 1, 2001), 153.9);
//        s1.add(new Day(9, 1, 2001), 142.7);
//        s1.add(new Day(10, 1, 2001), 123.2);
//        s1.add(new Day(11, 1, 2001), 131.8);
//        s1.add(new Day(12, 1, 2001), 139.6);
//        s1.add(new Day(13, 1, 2001), 142.9);
//        s1.add(new Day(14, 1, 2001), 138.7);
//        s1.add(new Day(15, 1, 2001), 137.3);
//        s1.add(new Day(16, 1, 2001), 143.9);
//        s1.add(new Day(17, 1, 2001), 139.8);
//        s1.add(new Day(18, 1, 2001), 137.0);
//        s1.add(new Day(19, 1, 2001), 132.8);


        TimeSeriesCollection dataset = new TimeSeriesCollection();
//        dataset.addSeries(s1);

//        dataset.setDomainIsPointsInTime(true);

        return dataset;

    }

    /**
     * Starting point for the demonstration application.
     *
     * @param args  ignored.
     */
    public static void main(String[] args) {

        
        TimeSeriesDemo demo = new TimeSeriesDemo("Time Series Demo 1");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);

    }

}