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Java > Open Source Codes > org > jfree > chart > demo > StackedBarChartDemo1


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  * StackedBarChartDemo1.java
24  * -------------------------
25  * (C) Copyright 2002, 2003, by Object Refinery Limited and Contributors.
26  *
27  * Original Author: David Gilbert (for Object Refinery Limited);
28  * Contributor(s): -;
29  *
30  * $Id: StackedBarChartDemo1.java,v 1.6 2003/11/28 10:57:36 mungady Exp $
31  *
32  * Changes
33  * -------
34  * 06-Nov-2002 : Version 1 (DG);
35  * 13-May-2003 : Renamed StackedVerticalBarChartDemo --> StackedBarChartDemo1 (DG);
36  *
37  */
38
39 package org.jfree.chart.demo;
40
41 import org.jfree.chart.ChartFactory;
42 import org.jfree.chart.ChartPanel;
43 import org.jfree.chart.JFreeChart;
44 import org.jfree.chart.plot.PlotOrientation;
45 import org.jfree.data.CategoryDataset;
46 import org.jfree.ui.ApplicationFrame;
47 import org.jfree.ui.RefineryUtilities;
48
49 /**
50  * A simple demonstration application showing how to create a stacked bar chart
51  * using data from a {@link CategoryDataset}.
52  *
53  * @author David Gilbert
54  */
55 public class StackedBarChartDemo1 extends ApplicationFrame {
56
57     /**
58      * Creates a new demo.
59      *
60      * @param title the frame title.
61      */
62     public StackedBarChartDemo1(String JavaDoc title) {
63
64         super(title);
65         CategoryDataset dataset = createDataset();
66         JFreeChart chart = createChart(dataset);
67         ChartPanel chartPanel = new ChartPanel(chart);
68         chartPanel.setPreferredSize(new java.awt.Dimension JavaDoc(500, 270));
69         setContentPane(chartPanel);
70
71     }
72     
73     /**
74      * Creates a sample dataset.
75      *
76      * @return a sample dataset.
77      */
78     private CategoryDataset createDataset() {
79         return DemoDatasetFactory.createCategoryDataset();
80     }
81     
82     /**
83      * Creates a sample chart.
84      *
85      * @param dataset the dataset for the chart.
86      *
87      * @return a sample chart.
88      */
89     private JFreeChart createChart(CategoryDataset dataset) {
90
91         JFreeChart chart = ChartFactory.createStackedBarChart(
92             "Stacked Bar Chart Demo 1", // chart title
93 "Category", // domain axis label
94 "Value", // range axis label
95 dataset, // data
96 PlotOrientation.VERTICAL, // the plot orientation
97 true, // legend
98 true, // tooltips
99 false // urls
100 );
101         return chart;
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         StackedBarChartDemo1 demo = new StackedBarChartDemo1("Stacked Bar Chart Demo 1");
124         demo.pack();
125         RefineryUtilities.centerFrameOnScreen(demo);
126         demo.setVisible(true);
127
128     }
129
130 }
131
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