PieChartDemo3


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   * PieChartDemo3.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: PieChartDemo3.java,v 1.3 2003/11/28 10:57:36 mungady Exp $
31   *
32   * Changes
33   * -------
34   * 02-Jan-2002 : Version 1 (DG);
35   *
36   */
37  
38  package org.jfree.chart.demo;
39  
40  import java.awt.Color  ;
41  import java.awt.Font  ;
42  
43  import org.jfree.chart.ChartFactory;
44  import org.jfree.chart.ChartPanel;
45  import org.jfree.chart.JFreeChart;
46  import org.jfree.chart.plot.PiePlot;
47  import org.jfree.data.DefaultPieDataset;
48  import org.jfree.ui.ApplicationFrame;
49  import org.jfree.ui.RefineryUtilities;
50  
51  /**
52   * A pie chart with no data, to demonstrate the use of the setNoDataMessage(...) method.
53   *
54   * @author David Gilbert
55   */
56  public class PieChartDemo3 extends ApplicationFrame {
57  
58      /**
59       * Default constructor.
60       *
61       * @param title  the frame title.
62       */
63      public PieChartDemo3(String   title) {
64  
65          super(title);
66  
67          // create a dataset...
68          DefaultPieDataset data = new DefaultPieDataset();
69  
70          // create the chart...
71          JFreeChart chart = ChartFactory.createPieChart("Pie Chart Demo 3",  // chart title
72                                                         data,                // data
73                                                         true,                // include legend
74                                                         true,
75                                                         false
76                                                         );
77  
78          PiePlot plot = (PiePlot) chart.getPlot();
79          plot.setNoDataMessage("No data available");
80          plot.setNoDataMessageFont(new Font  ("Serif", Font.ITALIC, 10));
81          plot.setNoDataMessagePaint(Color.red);
82  
83          // add the chart to a panel...
84          ChartPanel chartPanel = new ChartPanel(chart);
85          chartPanel.setPreferredSize(new java.awt.Dimension  (500, 270));
86          setContentPane(chartPanel);
87  
88      }
89  
90      // ****************************************************************************
91      // * COMMERCIAL SUPPORT / JFREECHART DEVELOPER GUIDE                          *
92      // * Please note that commercial support and documentation is available from: *
93      // *                                                                          *
94      // * http://www.object-refinery.com/jfreechart/support.html                   *
95      // *                                                                          *
96      // * This is not only a great service for developers, but is a VERY IMPORTANT *
97      // * source of funding for the JFreeChart project.  Please support us so that *
98      // * we can continue developing free software.                                *
99      // ****************************************************************************
100 
101     /**
102      * Starting point for the demonstration application.
103      *
104      * @param args  ignored.
105      */
106     public static void main(String  [] args) {
107 
108         PieChartDemo3 demo = new PieChartDemo3("Pie Chart Demo 3");
109         demo.pack();
110         RefineryUtilities.centerFrameOnScreen(demo);
111         demo.setVisible(true);
112 
113     }
114 
115 }
116
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