SurveyResultsDemo2


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   * SurveyResultsDemo2.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: SurveyResultsDemo2.java,v 1.6 2003/11/28 10:57:36 mungady Exp $
31   *
32   * Changes
33   * -------
34   * 31-Oct-2003 : Version 1 (DG);
35   *
36   */
37  package org.jfree.chart.demo;
38  
39  import java.awt.Color  ;
40  import java.awt.Font  ;
41  
42  import org.jfree.chart.ChartFactory;
43  import org.jfree.chart.ChartPanel;
44  import org.jfree.chart.JFreeChart;
45  import org.jfree.chart.TextTitle;
46  import org.jfree.chart.axis.ExtendedCategoryAxis;
47  import org.jfree.chart.axis.ValueAxis;
48  import org.jfree.chart.plot.CategoryPlot;
49  import org.jfree.chart.plot.PlotOrientation;
50  import org.jfree.chart.renderer.BarRenderer;
51  import org.jfree.chart.renderer.ItemLabelAnchor;
52  import org.jfree.chart.renderer.ItemLabelPosition;
53  import org.jfree.data.CategoryDataset;
54  import org.jfree.data.DefaultCategoryDataset;
55  import org.jfree.ui.ApplicationFrame;
56  import org.jfree.ui.RefineryUtilities;
57  import org.jfree.ui.TextAnchor;
58  
59  /**
60   * A vertical bar chart.
61   * 
62   * @author David Gilbert
63   */
64  public class SurveyResultsDemo2 extends ApplicationFrame {
65  
66      /**
67       * Creates a new demo.
68       *
69       * @param title  the frame title.
70       */
71      public SurveyResultsDemo2(String   title) {
72  
73          super(title);
74  
75          CategoryDataset dataset = createDataset();
76          JFreeChart chart = createChart(dataset);
77   
78          // add the chart to a panel...
79          ChartPanel chartPanel = new ChartPanel(chart);
80          chartPanel.setPreferredSize(new java.awt.Dimension  (300, 270));
81          setContentPane(chartPanel);
82  
83      }
84      
85      /**
86       * Creates a dataset.
87       * 
88       * @return The dataset.
89       */
90      private CategoryDataset createDataset() {
91          
92          DefaultCategoryDataset dataset = new DefaultCategoryDataset();
93          dataset.addValue(1.32, "Results", "Sm.");
94          dataset.addValue(0.40, "Results", "Med.");
95          dataset.addValue(2.62, "Results", "Lg.");
96          dataset.addValue(1.44, "Results", "All");
97          return dataset;
98  
99      }
100     
101     /**
102      * Creates a chart.
103      * 
104      * @param dataset  the dataset.
105      * 
106      * @return The chart.
107      */
108     private JFreeChart createChart(CategoryDataset dataset) {
109 
110         JFreeChart chart = ChartFactory.createBarChart(
111             null,                         // chart title
112             null,                         // domain axis label
113             null,                         // range axis label
114             dataset,                      // data
115             PlotOrientation.VERTICAL,
116             false,                        // include legend
117             true,
118             false
119         );
120         
121         chart.setBackgroundPaint(Color.white);
122         chart.getPlot().setOutlinePaint(null);
123         TextTitle title = new TextTitle("Figure 8.5 - Case studies are available");
124         title.setHorizontalAlignment(TextTitle.LEFT);
125         title.setBackgroundPaint(Color.red);
126         title.setPaint(Color.white);
127         
128         chart.setTitle(title);
129         CategoryPlot plot = chart.getCategoryPlot();
130         
131         ValueAxis rangeAxis = plot.getRangeAxis();
132         rangeAxis.setRange(0.0, 5.0);
133         rangeAxis.setVisible(false);
134         
135         ExtendedCategoryAxis domainAxis = new ExtendedCategoryAxis(null);
136         domainAxis.setTickLabelFont(new Font  ("SansSerif", Font.BOLD, 12));
137         domainAxis.setCategoryMargin(0.30);        
138         domainAxis.addSubLabel("Sm.", "(10)");
139         domainAxis.addSubLabel("Med.", "(10)");
140         domainAxis.addSubLabel("Lg.", "(10)");
141         domainAxis.addSubLabel("All", "(10)");
142         plot.setDomainAxis(domainAxis);
143         
144         BarRenderer renderer = (BarRenderer) plot.getRenderer();
145         renderer.setSeriesPaint(0, new Color  (0x9C, 0xA4, 0x4A));
146         renderer.setBaseOutlineStroke(null);
147         
148         renderer.setItemLabelsVisible(true);
149         renderer.setItemLabelFont(new Font  ("SansSerif", Font.PLAIN, 18));
150         ItemLabelPosition position = new ItemLabelPosition(
151             ItemLabelAnchor.INSIDE12, TextAnchor.TOP_CENTER, TextAnchor.CENTER, 0.0    
152         );
153         renderer.setPositiveItemLabelPosition(position);
154         renderer.setPositiveItemLabelPositionFallback(new ItemLabelPosition());
155         
156         return chart;
157        
158     }
159 
160     // ****************************************************************************
161     // * COMMERCIAL SUPPORT / JFREECHART DEVELOPER GUIDE                          *
162     // * Please note that commercial support and documentation is available from: *
163     // *                                                                          *
164     // * http://www.object-refinery.com/jfreechart/support.html                   *
165     // *                                                                          *
166     // * This is not only a great service for developers, but is a VERY IMPORTANT *
167     // * source of funding for the JFreeChart project.  Please support us so that *
168     // * we can continue developing free software.                                *
169     // ****************************************************************************
170 
171     /**
172      * Starting point for the demonstration application.
173      *
174      * @param args  ignored.
175      */
176     public static void main(String  [] args) {
177 
178         SurveyResultsDemo2 demo = new SurveyResultsDemo2("Survey Results Demo 2");
179         demo.pack();
180         RefineryUtilities.centerFrameOnScreen(demo);
181         demo.setVisible(true);
182 
183     }
184 
185 }
186
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