--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/common/PredefinedTkhProcessor.java	Mon Apr 23 15:18:48 2018 +0200
@@ -0,0 +1,118 @@
+/** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
+ * Software engineering by
+ *  Björnsen Beratende Ingenieure GmbH
+ *  Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
+ *
+ * This file is Free Software under the GNU AGPL (>=v3)
+ * and comes with ABSOLUTELY NO WARRANTY! Check out the
+ * documentation coming with Dive4Elements River for details.
+ */
+
+package org.dive4elements.river.artifacts.sinfo.common;
+
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+import org.apache.log4j.Logger;
+import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
+import org.dive4elements.artifacts.CallContext;
+import org.dive4elements.river.exports.DiagramGenerator;
+import org.dive4elements.river.exports.StyledSeriesBuilder;
+import org.dive4elements.river.jfree.StyledAreaSeriesCollection;
+import org.dive4elements.river.jfree.StyledXYSeries;
+import org.dive4elements.river.themes.ThemeDocument;
+
+/**
+ * Processor to generate a data series for tkh data loaded from the database
+ *
+ * @author Matthias Schäfer
+ *
+ */
+public class PredefinedTkhProcessor extends AbstractSInfoProcessor {
+
+    private final static Logger log = Logger.getLogger(PredefinedTkhProcessor.class);
+
+    public static final String FACET_PREDEFINED_TKH = "sinfo_facet_predefined_tkh";
+
+    private static final String I18N_AXIS_LABEL = "sinfo.chart.tkh.section.yaxis.label";
+
+    private static final String I18N_FACET_TKH_DESCRIPTION = "sinfo.facet.tkh.description";
+
+    private static final String SINFO_CHART_TKH_YAXIS_LABEL = "sinfo.chart.tkh.yaxis.label";
+
+    private static final Set<String> HANDLED_FACET_TYPES = new HashSet<>();
+
+    static {
+        HANDLED_FACET_TYPES.add(FACET_PREDEFINED_TKH);
+    }
+
+    public PredefinedTkhProcessor() {
+        super(I18N_AXIS_LABEL, HANDLED_FACET_TYPES);
+    }
+
+    protected String generateSeries1(final DiagramGenerator generator, final ArtifactAndFacet bundle, final ThemeDocument theme, final boolean visible) {
+        final CallContext context = generator.getCallContext();
+        final Map<String, String> metaData = bundle.getFacet().getMetaData(bundle.getArtifact(), context);
+        final StyledXYSeries series = new StyledXYSeries(bundle.getFacetDescription(), theme);
+        series.putMetaData(metaData, bundle.getArtifact(), context);
+
+        final Object raw = bundle.getData(context);
+        if (raw == null) {
+            return null;
+        }
+        if (!(raw instanceof double[][])) {
+            log.error("Unkown datatype: " + raw.getClass().getName());
+            return null;
+        }
+        final double[][] data = (double[][]) raw;
+        StyledSeriesBuilder.addPoints(series, data, true);
+
+        // REMARK: we add " " because the description is misused as id, which must be unique.
+        final StyledXYSeries seriesDown = new StyledXYSeries(bundle.getFacetDescription() + " ", theme);
+        // final double[][] pointsDown = data.getTkhDownPoints();
+        final double[][] datadown = (double[][]) raw;
+        for (int i = 0; i <= datadown[0].length - 1; i++)
+            datadown[1][i] = 0;
+        StyledSeriesBuilder.addPoints(seriesDown, datadown, true);
+
+        final StyledAreaSeriesCollection area = new StyledAreaSeriesCollection(theme);
+        area.setMode(StyledAreaSeriesCollection.FILL_MODE.BETWEEN);
+        area.addSeries(series);
+        area.addSeries(seriesDown);
+        generator.addAreaSeries(area, getAxisName(), visible);
+        // generator.addAxisSeries(series, getAxisName(), visible);
+        return null;
+    }
+
+    @Override
+    protected String generateSeries(final DiagramGenerator generator, final ArtifactAndFacet bundle, final ThemeDocument theme, final boolean visible) {
+        final CallContext context = generator.getCallContext();
+
+        final String facetName = bundle.getFacetName();
+        final AbstractTkhCalculationResult data = (AbstractTkhCalculationResult) bundle.getData(context);
+        if (data == null) {
+            // Check has been here before so we keep it for security reasons
+            // this should never happen though.
+            throw new IllegalStateException("Data is null for facet: " + facetName);
+        }
+
+        final StyledXYSeries seriesUp = new StyledXYSeries(bundle.getFacetDescription(), theme);
+        final double[][] pointsUp = data.getTkhUpPoints();
+        StyledSeriesBuilder.addPoints(seriesUp, pointsUp, true);
+
+        // REMARK: we add " " because the description is misused as id, which must be unique.
+        final StyledXYSeries seriesDown = new StyledXYSeries(bundle.getFacetDescription() + " ", theme);
+        final double[][] pointsDown = data.getTkhDownPoints();
+        StyledSeriesBuilder.addPoints(seriesDown, pointsDown, true);
+
+        final StyledAreaSeriesCollection area = new StyledAreaSeriesCollection(theme);
+        area.setMode(StyledAreaSeriesCollection.FILL_MODE.BETWEEN);
+        area.addSeries(seriesUp);
+        area.addSeries(seriesDown);
+
+        generator.addAreaSeries(area, getAxisName(), visible);
+
+        return null;
+    }
+}
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