Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/exports/XYChartGenerator.java @ 924:f7761914f745
An initial implementation to render chart series based on the XML configuration in themes.xml.
flys-artifacts/trunk@2276 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Fri, 01 Jul 2011 14:46:13 +0000 |
| parents | 7ca4a287cd0e |
| children | fd5c70973e0b |
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| 923:7ca4a287cd0e | 924:f7761914f745 |
|---|---|
| 12 import org.jfree.chart.JFreeChart; | 12 import org.jfree.chart.JFreeChart; |
| 13 import org.jfree.chart.axis.NumberAxis; | 13 import org.jfree.chart.axis.NumberAxis; |
| 14 import org.jfree.chart.axis.ValueAxis; | 14 import org.jfree.chart.axis.ValueAxis; |
| 15 import org.jfree.chart.plot.PlotOrientation; | 15 import org.jfree.chart.plot.PlotOrientation; |
| 16 import org.jfree.chart.plot.XYPlot; | 16 import org.jfree.chart.plot.XYPlot; |
| 17 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; | |
| 17 import org.jfree.data.Range; | 18 import org.jfree.data.Range; |
| 18 import org.jfree.data.xy.XYDataset; | 19 import org.jfree.data.xy.XYDataset; |
| 19 import org.jfree.data.xy.XYSeries; | 20 import org.jfree.data.xy.XYSeries; |
| 20 import org.jfree.data.xy.XYSeriesCollection; | 21 import org.jfree.data.xy.XYSeriesCollection; |
| 21 | 22 |
| 110 | 111 |
| 111 removeEmptyRangeAxes(plot); | 112 removeEmptyRangeAxes(plot); |
| 112 | 113 |
| 113 autoZoom(plot); | 114 autoZoom(plot); |
| 114 | 115 |
| 116 applyThemes(plot); | |
| 117 | |
| 115 return chart; | 118 return chart; |
| 116 } | 119 } |
| 117 | 120 |
| 118 | 121 |
| 119 protected void addDatasets(XYPlot plot) { | 122 protected void addDatasets(XYPlot plot) { |
| 327 | 330 |
| 328 | 331 |
| 329 protected void addSubtitles(JFreeChart chart) { | 332 protected void addSubtitles(JFreeChart chart) { |
| 330 // override this method in subclasses that need subtitles | 333 // override this method in subclasses that need subtitles |
| 331 } | 334 } |
| 335 | |
| 336 | |
| 337 protected void applyThemes(XYPlot plot) { | |
| 338 if (first != null) { | |
| 339 applyThemes(plot, first, 0); | |
| 340 } | |
| 341 | |
| 342 if (second != null) { | |
| 343 applyThemes(plot, second, 1); | |
| 344 } | |
| 345 } | |
| 346 | |
| 347 | |
| 348 protected void applyThemes(XYPlot plot, XYSeriesCollection dataset, int i) { | |
| 349 XYLineAndShapeRenderer r = getRenderer(plot, i); | |
| 350 | |
| 351 for (int s = 0, num = dataset.getSeriesCount(); s < num; s++) { | |
| 352 XYSeries series = dataset.getSeries(s); | |
| 353 | |
| 354 if (series instanceof StyledXYSeries) { | |
| 355 ((StyledXYSeries) series).applyTheme(r, s); | |
| 356 } | |
| 357 } | |
| 358 | |
| 359 plot.setRenderer(i, r); | |
| 360 } | |
| 361 | |
| 362 | |
| 363 protected XYLineAndShapeRenderer getRenderer(XYPlot plot, int idx) { | |
| 364 XYLineAndShapeRenderer r = | |
| 365 (XYLineAndShapeRenderer) plot.getRenderer(idx); | |
| 366 | |
| 367 if (r != null) { | |
| 368 return r; | |
| 369 } | |
| 370 | |
| 371 if (idx == 0) { | |
| 372 logger.warn("No default renderer set!"); | |
| 373 return new XYLineAndShapeRenderer(); | |
| 374 } | |
| 375 | |
| 376 r = (XYLineAndShapeRenderer) plot.getRenderer(0); | |
| 377 | |
| 378 try { | |
| 379 return (XYLineAndShapeRenderer) r.clone(); | |
| 380 } | |
| 381 catch (CloneNotSupportedException cnse) { | |
| 382 logger.warn(cnse, cnse); | |
| 383 } | |
| 384 | |
| 385 logger.warn("No applicalable renderer found!"); | |
| 386 | |
| 387 return new XYLineAndShapeRenderer(); | |
| 388 } | |
| 332 } | 389 } |
| 333 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : | 390 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |