Mercurial > dive4elements > river
diff flys-artifacts/src/main/java/de/intevation/flys/exports/WDifferencesCurveGenerator.java @ 1151:08048bd090e6
Added very stubby WDifferences State/OutGenerator for WINFOArtifact.
flys-artifacts/trunk@2682 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Fri, 09 Sep 2011 10:07:14 +0000 |
parents | |
children | 62ad0a753b68 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/exports/WDifferencesCurveGenerator.java Fri Sep 09 10:07:14 2011 +0000 @@ -0,0 +1,147 @@ +package de.intevation.flys.exports; + +import java.util.ArrayList; +import java.util.List; + +import org.apache.log4j.Logger; + +import org.jfree.chart.JFreeChart; +import org.jfree.chart.axis.NumberAxis; +import org.jfree.chart.axis.ValueAxis; +import org.jfree.chart.plot.XYPlot; +import org.jfree.chart.title.TextTitle; +import org.jfree.data.Range; +import org.jfree.data.xy.XYSeries; +import org.jfree.data.xy.XYSeriesCollection; +import org.jfree.ui.TextAnchor; + +import org.w3c.dom.Document; + +import de.intevation.artifacts.Artifact; + +import de.intevation.artifactdatabase.state.Facet; + +import de.intevation.flys.artifacts.FLYSArtifact; + +import de.intevation.flys.artifacts.model.FacetTypes; +import de.intevation.flys.artifacts.model.WKms; +import de.intevation.flys.artifacts.model.WQKms; + +import de.intevation.flys.model.Annotation; +import de.intevation.flys.jfree.StickyAxisAnnotation; + + +/** + * An OutGenerator that generates w differences curves. + */ +public class WDifferencesCurveGenerator +extends LongitudinalSectionGenerator +implements FacetTypes +{ + /** The logger that is used in this generator. */ + private static Logger logger = + Logger.getLogger(WDifferencesCurveGenerator.class); + + public static final String I18N_CHART_TITLE = + "chart.w_differences.title"; + + public static final String I18N_CHART_SUBTITLE = + "chart.w_differences.subtitle"; + + public static final String I18N_2YAXIS_LABEL = + "chart.w_differences.yaxis.second.label"; + + // TODO proper i18n. + public static final String I18N_CHART_TITLE_DEFAULT = "W-Differenzen"; + public static final String I18N_XAXIS_LABEL_DEFAULT = "km"; + public static final String I18N_YAXIS_LABEL_DEFAULT = "W [NN + m]"; + + + /** + * Add a subtitle to Chart. + * @param chart Chart to add subtitle to. + */ + @Override + protected void addSubtitles(JFreeChart chart) { + String subtitle = msg(I18N_CHART_SUBTITLE, ""); + chart.addSubtitle(new TextTitle(subtitle)); + } + + + /** + * Add (themed) data for chart generation. + */ + public void doOut(Artifact artifact, Facet facet, Document attr) { + String name = facet.getName(); + + logger.debug("WDifferencesCurveGenerator.doOut: " + name); + + if (name == null) { + logger.error("No facet name for doOut(). No output generated!"); + return; + } + + FLYSArtifact flys = (FLYSArtifact) artifact; + Facet f = flys.getNativeFacet(facet); + + if (f == null) { + return; + } + + if (name.equals(W_DIFFERENCES)) { + doWDifferencesOut((WKms) f.getData(artifact, context), attr); + } + else { + logger.warn("Unknown facet name: " + name); + return; + } + } + + + /** + * Add items to dataseries which describes the differences. + */ + protected void doWDifferencesOut(WKms wkms, Document theme) { + logger.debug("WDifferencesCurveGenerator.doWDifferencesOut"); + if (wkms == null) { + logger.warn("No data to add to WDifferencesChart."); + return; + } + + int size = wkms.size(); + // TODO get series name + XYSeries series = new StyledXYSeries(getSeriesName(wkms, "delta"), theme); + + if (logger.isDebugEnabled()) { + if (wkms.size() > 0) { + logger.debug("Generate series: " + series.getKey()); + logger.debug("Start km: " + wkms.getKm(0)); + logger.debug("End km: " + wkms.getKm(size-1)); + logger.debug("Values : " + size); + } + } + + for (int i = 0; i < size; i++) { + series.add(wkms.getKm(i), wkms.getW(i)); + } + + addFirstAxisSeries(series); + } + + + /** + * Get name of series (displayed in legend). + * @return name of the series. + */ + protected String getSeriesName(WKms wqkms, String mode) { + String name = wqkms.getName(); + String prefix = (name != null && name.indexOf(mode) >= 0) + ? null + : mode; + + return (prefix != null && prefix.length() > 0) + ? prefix + "(" + name +")" + : name; + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :