KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > jfree > chart > demo > MultiPieChartDemo2


1 /* ======================================
2  * JFreeChart : a free Java chart library
3  * ======================================
4  *
5  * Project Info: http://www.jfree.org/jfreechart/index.html
6  * Project Lead: David Gilbert (david.gilbert@object-refinery.com);
7  *
8  * (C) Copyright 2000-2003, by Object Refinery Limited and Contributors.
9  *
10  * This library is free software; you can redistribute it and/or modify it under the terms
11  * of the GNU Lesser General Public License as published by the Free Software Foundation;
12  * either version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
15  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16  * See the GNU Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public License along with this
19  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20  * Boston, MA 02111-1307, USA.
21  *
22  * -----------------------
23  * MultiPieChartDemo2.java
24  * -----------------------
25  * (C) Copyright 2003 by Object Refinery Limited and Contributors.
26  *
27  * Original Author: David Gilbert (for Object Refinery Limited);
28  * Contributor(s): -;
29  *
30  * $Id: MultiPieChartDemo2.java,v 1.7 2003/11/28 10:57:35 mungady Exp $
31  *
32  * Changes
33  * -------
34  * 23-Jan-2003 : Version 1 (DG);
35  *
36  */
37
38 package org.jfree.chart.demo;
39
40 import java.awt.Color JavaDoc;
41
42 import org.jfree.chart.ChartFactory;
43 import org.jfree.chart.ChartPanel;
44 import org.jfree.chart.JFreeChart;
45 import org.jfree.chart.plot.PiePlot;
46 import org.jfree.data.CategoryDataset;
47 import org.jfree.data.DatasetUtilities;
48 import org.jfree.ui.ApplicationFrame;
49 import org.jfree.ui.RefineryUtilities;
50
51 /**
52  * Identical to MultiPieChartDemo, but pie charts are produced for each COLUMN rather than ROW.
53  *
54  * @author David Gilbert
55  */
56 public class MultiPieChartDemo2 extends ApplicationFrame {
57
58     /**
59      * Creates a new demo.
60      *
61      * @param title the frame title.
62      */
63     public MultiPieChartDemo2(String JavaDoc title) {
64
65         super(title);
66
67         // create a dataset...
68 double[][] data = new double[][] {
69             {3.0, 4.0, 3.0, 5.0},
70             {5.0, 7.0, 6.0, 8.0},
71             {5.0, 7.0, 3.0, 8.0},
72             {1.0, 2.0, 3.0, 4.0},
73             {2.0, 3.0, 2.0, 3.0}
74         };
75
76         CategoryDataset dataset = DatasetUtilities.createCategoryDataset("Region ",
77                                                                          "Sales/Q",
78                                                                          data);
79
80         // create the chart...
81 JFreeChart chart = ChartFactory.createPieChart(
82             "Multi Pie Chart 2", // chart title
83 dataset, // data
84 PiePlot.PER_COLUMN,
85             true, // include legend
86 true,
87             false
88         );
89
90         // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
91
92         chart.setBackgroundPaint(Color.yellow);
93         PiePlot plot = (PiePlot) chart.getPlot();
94         plot.setSectionLabelType(PiePlot.VALUE_AND_PERCENT_LABELS);
95
96         // OPTIONAL CUSTOMISATION COMPLETED.
97
98         // add the chart to a panel...
99 ChartPanel chartPanel = new ChartPanel(chart, true, true, true, false, true);
100         chartPanel.setPreferredSize(new java.awt.Dimension JavaDoc(600, 380));
101         setContentPane(chartPanel);
102
103     }
104
105     // ****************************************************************************
106 // * COMMERCIAL SUPPORT / JFREECHART DEVELOPER GUIDE *
107 // * Please note that commercial support and documentation is available from: *
108 // * *
109 // * http://www.object-refinery.com/jfreechart/support.html *
110 // * *
111 // * This is not only a great service for developers, but is a VERY IMPORTANT *
112 // * source of funding for the JFreeChart project. Please support us so that *
113 // * we can continue developing free software. *
114 // ****************************************************************************
115
116     /**
117      * Starting point for the demonstration application.
118      *
119      * @param args ignored.
120      */
121     public static void main(String JavaDoc[] args) {
122
123         MultiPieChartDemo2 demo = new MultiPieChartDemo2("Multi Pie Chart Demo 2");
124         demo.pack();
125         RefineryUtilities.centerFrameOnScreen(demo);
126         demo.setVisible(true);
127
128     }
129
130 }
131
Popular Tags