001/* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
006 *
007 * Project Info:  http://www.jfree.org/jfreechart/index.html
008 *
009 * This library is free software; you can redistribute it and/or modify it
010 * under the terms of the GNU Lesser General Public License as published by
011 * the Free Software Foundation; either version 2.1 of the License, or
012 * (at your option) any later version.
013 *
014 * This library is distributed in the hope that it will be useful, but
015 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017 * License for more details.
018 *
019 * You should have received a copy of the GNU Lesser General Public
020 * License along with this library; if not, write to the Free Software
021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
022 * USA.
023 *
024 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
025 * in the United States and other countries.]
026 *
027 * ------------------
028 * PieChartDemo1.java
029 * ------------------
030 * (C) Copyright 2003-2007, by Object Refinery Limited and Contributors.
031 *
032 * Original Author:  David Gilbert (for Object Refinery Limited);
033 * Contributor(s):   ;
034 *
035 * Changes
036 * -------
037 * 09-Mar-2005 : Version 1, copied from the demo collection that ships with
038 *               the JFreeChart Developer Guide (DG);
039 *
040 */
041
042package org.jfree.chart.demo;
043
044import javax.swing.JPanel;
045
046import org.jfree.chart.ChartFactory;
047import org.jfree.chart.ChartPanel;
048import org.jfree.chart.JFreeChart;
049import org.jfree.chart.plot.PiePlot;
050import org.jfree.data.general.DefaultPieDataset;
051import org.jfree.data.general.PieDataset;
052import org.jfree.ui.ApplicationFrame;
053import org.jfree.ui.RefineryUtilities;
054
055/**
056 * A simple demonstration application showing how to create a pie chart using
057 * data from a {@link DefaultPieDataset}.
058 */
059public class PieChartDemo1 extends ApplicationFrame {
060
061    /**
062     * Default constructor.
063     *
064     * @param title  the frame title.
065     */
066    public PieChartDemo1(String title) {
067        super(title);
068        setContentPane(createDemoPanel());
069    }
070
071    /**
072     * Creates a sample dataset.
073     *
074     * @return A sample dataset.
075     */
076    private static PieDataset createDataset() {
077        DefaultPieDataset dataset = new DefaultPieDataset();
078        dataset.setValue("One", new Double(43.2));
079        dataset.setValue("Two", new Double(10.0));
080        dataset.setValue("Three", new Double(27.5));
081        dataset.setValue("Four", new Double(17.5));
082        dataset.setValue("Five", new Double(11.0));
083        dataset.setValue("Six", new Double(19.4));
084        return dataset;
085    }
086
087    /**
088     * Creates a chart.
089     *
090     * @param dataset  the dataset.
091     *
092     * @return A chart.
093     */
094    private static JFreeChart createChart(PieDataset dataset) {
095
096        JFreeChart chart = ChartFactory.createPieChart(
097            "Pie Chart Demo 1",  // chart title
098            dataset,             // data
099            true,               // include legend
100            true,
101            false
102        );
103
104        PiePlot plot = (PiePlot) chart.getPlot();
105        plot.setSectionOutlinesVisible(false);
106        plot.setNoDataMessage("No data available");
107
108        return chart;
109
110    }
111
112    /**
113     * Creates a panel for the demo (used by SuperDemo.java).
114     *
115     * @return A panel.
116     */
117    public static JPanel createDemoPanel() {
118        JFreeChart chart = createChart(createDataset());
119        return new ChartPanel(chart);
120    }
121
122    /**
123     * Starting point for the demonstration application.
124     *
125     * @param args  ignored.
126     */
127    public static void main(String[] args) {
128
129        // ******************************************************************
130        //  More than 150 demo applications are included with the JFreeChart
131        //  Developer Guide...for more information, see:
132        //
133        //  >   http://www.object-refinery.com/jfreechart/guide.html
134        //
135        // ******************************************************************
136
137        PieChartDemo1 demo = new PieChartDemo1("Pie Chart Demo 1");
138        demo.pack();
139        RefineryUtilities.centerFrameOnScreen(demo);
140        demo.setVisible(true);
141    }
142
143}