JFreeChart: Stacked Bar Chart Demo 3 : Bar Stacked Chart « Chart « Java





JFreeChart: Stacked Bar Chart Demo 3

JFreeChart: Stacked Bar Chart Demo 3

/* ===========================================================
 * 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.]
 *
 * -------------------------
 * StackedBarChartDemo3.java
 * -------------------------
 * (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: StackedBarChartDemo3.java,v 1.9 2004/05/10 16:45:23 mungady Exp $
 *
 * Changes
 * -------
 * 27-Nov-2003 : Version 1 (DG);
 *
 */

package org.jfree.chart.demo;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.labels.StandardCategoryToolTipGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.CategoryItemRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

/**
 * A simple demonstration application showing how to create a stacked bar chart
 * using data from a {@link CategoryDataset}.
 *
 */
public class StackedBarChartDemo3 extends ApplicationFrame {

    /**
     * Creates a new demo.
     *
     * @param title  the frame title.
     */
    public StackedBarChartDemo3(final String title) {

        super(title);
        final CategoryDataset dataset = createDataset();
        final JFreeChart chart = createChart(dataset);
        final ChartPanel chartPanel = new ChartPanel(chart);
        chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
        setContentPane(chartPanel);

    }
    
    /**
     * Creates a sample dataset.
     * 
     * @return a sample dataset.
     */
    private CategoryDataset createDataset() {
        return DemoDatasetFactory.createCategoryDataset();
    }
    
    /**
     * Creates a sample chart.
     * 
     * @param dataset  the dataset for the chart.
     * 
     * @return a sample chart.
     */
    private JFreeChart createChart(final CategoryDataset dataset) {

        final JFreeChart chart = ChartFactory.createStackedBarChart(
            "Stacked Bar Chart Demo 3",  // chart title
            "Category",                  // domain axis label
            "Value",                     // range axis label
            dataset,                     // data
            PlotOrientation.VERTICAL,    // the plot orientation
            true,                        // legend
            false,                       // tooltips
            false                        // urls
        );
        final CategoryPlot plot = chart.getCategoryPlot();
//        final CategoryItemRenderer renderer = new ExtendedStackedBarRenderer();
  //      renderer.setToolTipGenerator(new StandardCategoryToolTipGenerator());
    //    plot.setRenderer(renderer);
        
        final ValueAxis rangeAxis = plot.getRangeAxis();
        rangeAxis.setLowerMargin(0.15);
        rangeAxis.setUpperMargin(0.15);
        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.             *
    // ****************************************************************************
    
    /**
     * Starting point for the demonstration application.
     *
     * @param args  ignored.
     */
    public static void main(final String[] args) {

        final StackedBarChartDemo3 demo = new StackedBarChartDemo3("Stacked Bar Chart Demo 3");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);

    }

}

           
       










jfreechart-1.0.0-rc1.zip( 3,559 k)

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