Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/chart/AbstractHistogram.java @ 657:af3f56758f59
merged gnv-artifacts/0.5
| author | Thomas Arendsen Hein <thomas@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 12:13:53 +0200 |
| parents | 65f09139e9b3 |
| children | 79401c871da4 |
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| 590:5f5f273c8566 | 657:af3f56758f59 |
|---|---|
| 1 package de.intevation.gnv.chart; | |
| 2 | |
| 3 import java.util.Locale; | |
| 4 | |
| 5 import org.apache.log4j.Logger; | |
| 6 | |
| 7 import org.jfree.chart.ChartFactory; | |
| 8 import org.jfree.chart.ChartTheme; | |
| 9 import org.jfree.chart.JFreeChart; | |
| 10 | |
| 11 import org.jfree.chart.plot.PlotOrientation; | |
| 12 import org.jfree.chart.plot.XYPlot; | |
| 13 | |
| 14 import org.jfree.chart.renderer.xy.XYBarRenderer; | |
| 15 | |
| 16 /** | |
| 17 * @author Ingo Weinzierl (ingo.weinzierl@intevation.de) | |
| 18 */ | |
| 19 public abstract class AbstractHistogram | |
| 20 implements Chart | |
| 21 { | |
| 22 private Logger logger = Logger.getLogger(AbstractHistogram.class); | |
| 23 | |
| 24 protected JFreeChart chart; | |
| 25 protected ChartLabels labels; | |
| 26 protected ChartTheme theme; | |
| 27 protected Object[] data; | |
| 28 | |
| 29 protected Locale locale; | |
| 30 | |
| 31 | |
| 32 public AbstractHistogram( | |
| 33 ChartLabels labels, Object[] data, ChartTheme theme | |
| 34 ) { | |
| 35 this.labels = labels; | |
| 36 this.data = data; | |
| 37 this.theme = theme; | |
| 38 } | |
| 39 | |
| 40 | |
| 41 public JFreeChart generateChart() { | |
| 42 | |
| 43 if (chart != null) | |
| 44 return chart; | |
| 45 | |
| 46 chart = ChartFactory.createHistogram( | |
| 47 labels.getTitle(), | |
| 48 labels.getDomainAxisLabel(), | |
| 49 labels.getRangeAxisLabel(), | |
| 50 null, | |
| 51 PlotOrientation.VERTICAL, | |
| 52 true, | |
| 53 false, | |
| 54 false); | |
| 55 | |
| 56 applyDatasets(); | |
| 57 | |
| 58 theme.apply(chart); | |
| 59 adjustPlot(); | |
| 60 | |
| 61 return chart; | |
| 62 } | |
| 63 | |
| 64 | |
| 65 protected void adjustPlot() { | |
| 66 XYPlot plot = (XYPlot) chart.getPlot(); | |
| 67 XYBarRenderer renderer = (XYBarRenderer) plot.getRenderer(); | |
| 68 | |
| 69 renderer.setShadowVisible(false); | |
| 70 renderer.setSeriesVisibleInLegend(0, false); | |
| 71 } | |
| 72 | |
| 73 | |
| 74 protected abstract void applyDatasets(); | |
| 75 } | |
| 76 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |