Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/exports/StyledXYSeries.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 | |
| children | 004b1b0838d6 |
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| 923:7ca4a287cd0e | 924:f7761914f745 |
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| 1 package de.intevation.flys.exports; | |
| 2 | |
| 3 import java.awt.BasicStroke; | |
| 4 import java.awt.Color; | |
| 5 | |
| 6 import org.apache.log4j.Logger; | |
| 7 | |
| 8 import org.w3c.dom.Document; | |
| 9 | |
| 10 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; | |
| 11 import org.jfree.data.xy.XYSeries; | |
| 12 | |
| 13 import de.intevation.artifacts.common.utils.XMLUtils; | |
| 14 | |
| 15 | |
| 16 public class StyledXYSeries extends XYSeries { | |
| 17 | |
| 18 public static final String XPATH_LINE_COLOR = | |
| 19 "/theme/field[@name='linecolor']/@default"; | |
| 20 | |
| 21 public static final String XPATH_LINE_SIZE = | |
| 22 "/theme/field[@name='linesize']/@default"; | |
| 23 | |
| 24 | |
| 25 protected Document theme; | |
| 26 | |
| 27 | |
| 28 private static final Logger logger = Logger.getLogger(StyledXYSeries.class); | |
| 29 | |
| 30 | |
| 31 | |
| 32 public StyledXYSeries(String key, Document theme) { | |
| 33 super(key); | |
| 34 this.theme = theme; | |
| 35 } | |
| 36 | |
| 37 | |
| 38 public XYLineAndShapeRenderer applyTheme(XYLineAndShapeRenderer r, int idx){ | |
| 39 applyLineColor(r, idx); | |
| 40 applyLineSize(r, idx); | |
| 41 | |
| 42 r.setSeriesLinesVisible(idx, true); | |
| 43 r.setSeriesShapesVisible(idx, false); | |
| 44 | |
| 45 return r; | |
| 46 } | |
| 47 | |
| 48 | |
| 49 protected void applyLineColor(XYLineAndShapeRenderer r, int idx) { | |
| 50 String color = XMLUtils.xpathString(theme, XPATH_LINE_COLOR, null); | |
| 51 | |
| 52 if (color == null || color.length() == 0) { | |
| 53 return; | |
| 54 } | |
| 55 | |
| 56 String[] rgb = color.split(","); | |
| 57 | |
| 58 try { | |
| 59 Color c = new Color( | |
| 60 Integer.valueOf(rgb[0].trim()), | |
| 61 Integer.valueOf(rgb[1].trim()), | |
| 62 Integer.valueOf(rgb[2].trim())); | |
| 63 | |
| 64 logger.debug("Set series paint color: " + c.toString()); | |
| 65 | |
| 66 r.setSeriesPaint(idx, c); | |
| 67 } | |
| 68 catch (NumberFormatException nfe) { | |
| 69 logger.warn("Unable to set color from string: '" + color + "'"); | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 | |
| 74 protected void applyLineSize(XYLineAndShapeRenderer r, int idx) { | |
| 75 String size = XMLUtils.xpathString(theme, XPATH_LINE_SIZE, null); | |
| 76 | |
| 77 if (size == null || size.length() == 0) { | |
| 78 return; | |
| 79 } | |
| 80 | |
| 81 try { | |
| 82 r.setSeriesStroke( | |
| 83 idx, | |
| 84 new BasicStroke(Integer.valueOf(size))); | |
| 85 } | |
| 86 catch (NumberFormatException nfe) { | |
| 87 logger.warn("Unable to set line size from string: '" + size + "'"); | |
| 88 } | |
| 89 } | |
| 90 } | |
| 91 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |