KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > net > sf > jasperreports > renderers > JRTimeSeriesChartImageMapRenderer


1 /*
2  * ============================================================================
3  * GNU Lesser General Public License
4  * ============================================================================
5  *
6  * JasperReports - Free Java report-generating library.
7  * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * 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,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22  *
23  * JasperSoft Corporation
24  * 303 Second Street, Suite 450 North
25  * San Francisco, CA 94107
26  * http://www.jaspersoft.com
27  */
28 package net.sf.jasperreports.renderers;
29
30 import java.util.Map JavaDoc;
31
32 import net.sf.jasperreports.engine.JRConstants;
33 import net.sf.jasperreports.engine.JRPrintHyperlink;
34
35 import org.jfree.chart.JFreeChart;
36 import org.jfree.chart.entity.ChartEntity;
37 import org.jfree.chart.entity.XYItemEntity;
38 import org.jfree.data.time.RegularTimePeriod;
39 import org.jfree.data.time.TimeSeries;
40 import org.jfree.data.time.TimeSeriesCollection;
41
42
43 /**
44  * Image map renderer used for charts with time series datasets.
45  *
46  * @author Lucian Chirita (lucianc@users.sourceforge.net)
47  * @version $Id: JRTimeSeriesChartImageMapRenderer.java 1364 2006-08-31 18:13:20 +0300 (Thu, 31 Aug 2006) lucianc $
48  */
49 public class JRTimeSeriesChartImageMapRenderer extends JRAbstractChartImageMapRenderer
50 {
51     
52     private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
53     
54     private Map JavaDoc itemHyperlinks;
55     
56     public JRTimeSeriesChartImageMapRenderer(JFreeChart chart, Map JavaDoc itemHyperlinks)
57     {
58         super(chart);
59         
60         this.itemHyperlinks = itemHyperlinks;
61     }
62
63
64     protected JRPrintHyperlink getEntityHyperlink(ChartEntity entity)
65     {
66         JRPrintHyperlink printHyperlink = null;
67         if (entity instanceof XYItemEntity)
68         {
69             XYItemEntity itemEntity = (XYItemEntity) entity;
70             TimeSeriesCollection dataset = (TimeSeriesCollection) itemEntity.getDataset();
71             TimeSeries series = dataset.getSeries(itemEntity.getSeriesIndex());
72             Map JavaDoc serieHyperlinks = (Map JavaDoc) itemHyperlinks.get(series.getKey());
73             if (serieHyperlinks != null)
74             {
75                 RegularTimePeriod timePeriod = series.getTimePeriod(itemEntity.getItem());
76                 printHyperlink = (JRPrintHyperlink) serieHyperlinks.get(timePeriod);
77             }
78         }
79         return printHyperlink;
80     }
81
82 }
83
Popular Tags