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1
28 package net.sf.jasperreports.charts.fill;
29
30 import java.util.ArrayList  ;
31 import java.util.HashMap ;
32 import java.util.List ;
33 import java.util.Map ;
34
35 import net.sf.jasperreports.charts.JRXyDataset;
36 import net.sf.jasperreports.charts.JRXySeries;
37 import net.sf.jasperreports.charts.util.XYDatasetLabelGenerator;
38 import net.sf.jasperreports.engine.JRChartDataset;
39 import net.sf.jasperreports.engine.JRExpressionCollector;
40 import net.sf.jasperreports.engine.design.JRVerifier;
41 import net.sf.jasperreports.engine.fill.JRCalculator;
42 import net.sf.jasperreports.engine.fill.JRExpressionEvalException;
43 import net.sf.jasperreports.engine.fill.JRFillChartDataset;
44 import net.sf.jasperreports.engine.fill.JRFillObjectFactory;
45 import net.sf.jasperreports.engine.util.Pair;
46
47 import org.jfree.data.general.Dataset;
48 import org.jfree.data.xy.XYSeries;
49 import org.jfree.data.xy.XYSeriesCollection;
50
51
52
56 public class JRFillXyDataset extends JRFillChartDataset implements JRXyDataset
57 {
58
59
62 protected JRFillXySeries[] xySeries = null;
63
64 private List seriesNames = null;
65 private Map seriesMap = null;
66 private Map labelsMap = null;
67
68 private Map itemHyperlinks;
69
70
71
74 public JRFillXyDataset(
75 JRXyDataset xyDataset,
76 JRFillObjectFactory factory
77 )
78 {
79 super(xyDataset, factory);
80
81
82 JRXySeries[] srcXySeries = xyDataset.getSeries();
83 if (srcXySeries != null && srcXySeries.length > 0)
84 {
85 xySeries = new JRFillXySeries[srcXySeries.length];
86 for(int i = 0; i < xySeries.length; i++)
87 {
88 xySeries[i] = (JRFillXySeries)factory.getXySeries(srcXySeries[i]);
89 }
90 }
91 }
92
93
94
97 public JRXySeries[] getSeries()
98 {
99 return xySeries;
100 }
101
102
103
106 protected void customInitialize()
107 {
108 seriesNames = null;
109 seriesMap = null;
110 labelsMap = null;
111 itemHyperlinks = null;
112 }
113
114
115
118 protected void customEvaluate(JRCalculator calculator) throws JRExpressionEvalException
119 {
120 if (xySeries != null && xySeries.length > 0)
121 {
122 for(int i = 0; i < xySeries.length; i++)
123 {
124 xySeries[i].evaluate(calculator);
125 }
126 }
127 }
128
129
130
133 protected void customIncrement()
134 {
135 if (xySeries != null && xySeries.length > 0)
136 {
137 if (seriesNames == null)
138 {
139 seriesNames = new ArrayList ();
140 seriesMap = new HashMap ();
141 labelsMap = new HashMap ();
142 itemHyperlinks = new HashMap ();
143 }
144
145 for(int i = 0; i < xySeries.length; i++)
146 {
147 JRFillXySeries crtXySeries = xySeries[i];
148
149 Comparable seriesName = crtXySeries.getSeries();
150 XYSeries xySrs = (XYSeries)seriesMap.get(seriesName);
151 if (xySrs == null)
152 {
153 xySrs = new XYSeries(seriesName);
154 seriesNames.add(seriesName);
155 seriesMap.put(seriesName, xySrs);
156 }
157
158 xySrs.addOrUpdate(
159 crtXySeries.getXValue(),
160 crtXySeries.getYValue()
161 );
162
163 if (crtXySeries.getLabelExpression() != null)
164 {
165 Map seriesLabels = (Map )labelsMap.get(seriesName);
166 if (seriesLabels == null)
167 {
168 seriesLabels = new HashMap ();
169 labelsMap.put(seriesName, seriesLabels);
170 }
171
172 seriesLabels.put(crtXySeries.getXValue(), crtXySeries.getLabel());
173 }
174
175 if (crtXySeries.hasItemHyperlinks())
176 {
177 Map seriesLinks = (Map ) itemHyperlinks.get(seriesName);
178 if (seriesLinks == null)
179 {
180 seriesLinks = new HashMap ();
181 itemHyperlinks.put(seriesName, seriesLinks);
182 }
183 Pair xyKey = new Pair(crtXySeries.getXValue(), crtXySeries.getYValue());
184 seriesLinks.put(xyKey, crtXySeries.getPrintItemHyperlink());
185 }
186 }
187 }
188 }
189
190
191
194 public Dataset getCustomDataset()
195 {
196 XYSeriesCollection dataset = new XYSeriesCollection();
197 if (seriesNames != null)
198 {
199 for(int i = 0; i < seriesNames.size(); i++)
200 {
201 Comparable seriesName = (Comparable )seriesNames.get(i);
202 dataset.addSeries((XYSeries)seriesMap.get(seriesName));
203 }
204 }
205 return dataset;
206 }
207
208
209
212 public byte getDatasetType() {
213 return JRChartDataset.XY_DATASET;
214 }
215
216
217
220 public XYDatasetLabelGenerator getLabelGenerator(){
221 return new XYDatasetLabelGenerator(labelsMap);
222 }
223
224
225
228 public void collectExpressions(JRExpressionCollector collector)
229 {
230 collector.collect(this);
231 }
232
233
234 public Map getItemHyperlinks()
235 {
236 return itemHyperlinks;
237 }
238
239
240 public boolean hasItemHyperlinks()
241 {
242 boolean foundLinks = false;
243 if (xySeries != null && xySeries.length > 0)
244 {
245 for (int i = 0; i < xySeries.length && !foundLinks; i++)
246 {
247 JRFillXySeries serie = xySeries[i];
248 foundLinks = serie.hasItemHyperlinks();
249 }
250 }
251 return foundLinks;
252 }
253
254
255 public void validate(JRVerifier verifier)
256 {
257 verifier.verify(this);
258 }
259
260
261 }
262 |
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