01: /*
02: * ============================================================================
03: * GNU Lesser General Public License
04: * ============================================================================
05: *
06: * JasperReports - Free Java report-generating library.
07: * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
08: *
09: * 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;
31:
32: import net.sf.jasperreports.engine.JRConstants;
33: import net.sf.jasperreports.engine.JRPrintHyperlink;
34: import net.sf.jasperreports.engine.util.Pair;
35:
36: import org.jfree.chart.JFreeChart;
37: import org.jfree.chart.entity.ChartEntity;
38: import org.jfree.chart.entity.XYItemEntity;
39: import org.jfree.data.xy.XYDataset;
40:
41: /**
42: * Image map renderer used for charts with XY datasets.
43: *
44: * @author Lucian Chirita (lucianc@users.sourceforge.net)
45: * @version $Id: JRXYChartImageMapRenderer.java 1364 2006-08-31 15:13:20Z lucianc $
46: */
47: public class JRXYChartImageMapRenderer extends
48: JRAbstractChartImageMapRenderer {
49:
50: private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
51:
52: private Map itemHyperlinks;
53:
54: public JRXYChartImageMapRenderer(JFreeChart chart,
55: Map itemHyperlinks) {
56: super (chart);
57:
58: this .itemHyperlinks = itemHyperlinks;
59: }
60:
61: protected JRPrintHyperlink getEntityHyperlink(ChartEntity entity) {
62: JRPrintHyperlink printHyperlink = null;
63: if (entity instanceof XYItemEntity) {
64: XYItemEntity itemEntity = (XYItemEntity) entity;
65: XYDataset dataset = itemEntity.getDataset();
66: Comparable serie = dataset.getSeriesKey(itemEntity
67: .getSeriesIndex());
68: Map serieHyperlinks = (Map) itemHyperlinks.get(serie);
69: if (serieHyperlinks != null) {
70: Number x = dataset.getX(itemEntity.getSeriesIndex(),
71: itemEntity.getItem());
72: Number y = dataset.getY(itemEntity.getSeriesIndex(),
73: itemEntity.getItem());
74: Object xyKey = new Pair(x, y);
75: printHyperlink = (JRPrintHyperlink) serieHyperlinks
76: .get(xyKey);
77: }
78: }
79: return printHyperlink;
80: }
81:
82: }
|