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Java > Open Source Codes > org > jfree > chart > demo > TimeSeriesChartDemo1


1 /* ===========================================================
2  * JFreeChart : a free chart library for the Java(tm) platform
3  * ===========================================================
4  *
5  * (C) Copyright 2000-2006, by Object Refinery Limited and Contributors.
6  *
7  * Project Info: http://www.jfree.org/jfreechart/index.html
8  *
9  * This library is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU Lesser General Public License as published by
11  * the Free Software Foundation; either version 2.1 of the License, or
12  * (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful, but
15  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17  * License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22  * USA.
23  *
24  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
25  * in the United States and other countries.]
26  *
27  * -------------------------
28  * TimeSeriesChartDemo1.java
29  * -------------------------
30  * (C) Copyright 2003-2006, by Object Refinery Limited and Contributors.
31  *
32  * Original Author: David Gilbert (for Object Refinery Limited);
33  * Contributor(s): ;
34  *
35  * $Id: TimeSeriesChartDemo1.java,v 1.2.2.5 2006/10/25 10:38:47 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 09-Mar-2005 : Version 1, copied from the demo collection that ships with
40  * the JFreeChart Developer Guide (DG);
41  *
42  */
43
44 package org.jfree.chart.demo;
45
46 import java.awt.Color JavaDoc;
47 import java.text.SimpleDateFormat JavaDoc;
48
49 import javax.swing.JPanel JavaDoc;
50
51 import org.jfree.chart.ChartFactory;
52 import org.jfree.chart.ChartPanel;
53 import org.jfree.chart.JFreeChart;
54 import org.jfree.chart.axis.DateAxis;
55 import org.jfree.chart.plot.XYPlot;
56 import org.jfree.chart.renderer.xy.XYItemRenderer;
57 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
58 import org.jfree.data.time.Month;
59 import org.jfree.data.time.TimeSeries;
60 import org.jfree.data.time.TimeSeriesCollection;
61 import org.jfree.data.xy.XYDataset;
62 import org.jfree.ui.ApplicationFrame;
63 import org.jfree.ui.RectangleInsets;
64 import org.jfree.ui.RefineryUtilities;
65
66 /**
67  * An example of a time series chart. For the most part, default settings are
68  * used, except that the renderer is modified to show filled shapes (as well as
69  * lines) at each data point.
70  */
71 public class TimeSeriesChartDemo1 extends ApplicationFrame {
72
73     /**
74      * A demonstration application showing how to create a simple time series
75      * chart. This example uses monthly data.
76      *
77      * @param title the frame title.
78      */
79     public TimeSeriesChartDemo1(String JavaDoc title) {
80         super(title);
81         ChartPanel chartPanel = (ChartPanel) createDemoPanel();
82         chartPanel.setPreferredSize(new java.awt.Dimension JavaDoc(500, 270));
83         chartPanel.setMouseZoomable(true, false);
84         setContentPane(chartPanel);
85     }
86
87     /**
88      * Creates a chart.
89      *
90      * @param dataset a dataset.
91      *
92      * @return A chart.
93      */
94     private static JFreeChart createChart(XYDataset dataset) {
95
96         JFreeChart chart = ChartFactory.createTimeSeriesChart(
97             "Legal & General Unit Trust Prices", // title
98 "Date", // x-axis label
99 "Price Per Unit", // y-axis label
100 dataset, // data
101 true, // create legend?
102 true, // generate tooltips?
103 false // generate URLs?
104 );
105
106         chart.setBackgroundPaint(Color.white);
107
108         XYPlot plot = (XYPlot) chart.getPlot();
109         plot.setBackgroundPaint(Color.lightGray);
110         plot.setDomainGridlinePaint(Color.white);
111         plot.setRangeGridlinePaint(Color.white);
112         plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
113         plot.setDomainCrosshairVisible(true);
114         plot.setRangeCrosshairVisible(true);
115         
116         XYItemRenderer r = plot.getRenderer();
117         if (r instanceof XYLineAndShapeRenderer) {
118             XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) r;
119             renderer.setBaseShapesVisible(true);
120             renderer.setBaseShapesFilled(true);
121         }
122         
123         DateAxis axis = (DateAxis) plot.getDomainAxis();
124         axis.setDateFormatOverride(new SimpleDateFormat JavaDoc("MMM-yyyy"));
125         
126         return chart;
127
128     }
129     
130     /**
131      * Creates a dataset, consisting of two series of monthly data.
132      *
133      * @return The dataset.
134      */
135     private static XYDataset createDataset() {
136
137         TimeSeries s1 = new TimeSeries("L&G European Index Trust", Month.class);
138         s1.add(new Month(2, 2001), 181.8);
139         s1.add(new Month(3, 2001), 167.3);
140         s1.add(new Month(4, 2001), 153.8);
141         s1.add(new Month(5, 2001), 167.6);
142         s1.add(new Month(6, 2001), 158.8);
143         s1.add(new Month(7, 2001), 148.3);
144         s1.add(new Month(8, 2001), 153.9);
145         s1.add(new Month(9, 2001), 142.7);
146         s1.add(new Month(10, 2001), 123.2);
147         s1.add(new Month(11, 2001), 131.8);
148         s1.add(new Month(12, 2001), 139.6);
149         s1.add(new Month(1, 2002), 142.9);
150         s1.add(new Month(2, 2002), 138.7);
151         s1.add(new Month(3, 2002), 137.3);
152         s1.add(new Month(4, 2002), 143.9);
153         s1.add(new Month(5, 2002), 139.8);
154         s1.add(new Month(6, 2002), 137.0);
155         s1.add(new Month(7, 2002), 132.8);
156
157         TimeSeries s2 = new TimeSeries("L&G UK Index Trust", Month.class);
158         s2.add(new Month(2, 2001), 129.6);
159         s2.add(new Month(3, 2001), 123.2);
160         s2.add(new Month(4, 2001), 117.2);
161         s2.add(new Month(5, 2001), 124.1);
162         s2.add(new Month(6, 2001), 122.6);
163         s2.add(new Month(7, 2001), 119.2);
164         s2.add(new Month(8, 2001), 116.5);
165         s2.add(new Month(9, 2001), 112.7);
166         s2.add(new Month(10, 2001), 101.5);
167         s2.add(new Month(11, 2001), 106.1);
168         s2.add(new Month(12, 2001), 110.3);
169         s2.add(new Month(1, 2002), 111.7);
170         s2.add(new Month(2, 2002), 111.0);
171         s2.add(new Month(3, 2002), 109.6);
172         s2.add(new Month(4, 2002), 113.2);
173         s2.add(new Month(5, 2002), 111.6);
174         s2.add(new Month(6, 2002), 108.8);
175         s2.add(new Month(7, 2002), 101.6);
176
177         // ******************************************************************
178 // More than 150 demo applications are included with the JFreeChart
179 // Developer Guide...for more information, see:
180 //
181 // > http://www.object-refinery.com/jfreechart/guide.html
182 //
183 // ******************************************************************
184
185         TimeSeriesCollection dataset = new TimeSeriesCollection();
186         dataset.addSeries(s1);
187         dataset.addSeries(s2);
188         
189         return dataset;
190
191     }
192
193     /**
194      * Creates a panel for the demo (used by SuperDemo.java).
195      *
196      * @return A panel.
197      */
198     public static JPanel JavaDoc createDemoPanel() {
199         JFreeChart chart = createChart(createDataset());
200         return new ChartPanel(chart);
201     }
202     
203     /**
204      * Starting point for the demonstration application.
205      *
206      * @param args ignored.
207      */
208     public static void main(String JavaDoc[] args) {
209
210         TimeSeriesChartDemo1 demo = new TimeSeriesChartDemo1(
211                 "Time Series Chart Demo 1" );
212         demo.pack();
213         RefineryUtilities.centerFrameOnScreen(demo);
214         demo.setVisible(true);
215
216     }
217
218 }
219
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