--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/fixings/FixDerivedCurveGenerator.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,138 @@
+package org.dive4elements.river.exports.fixings;
+
+import org.apache.log4j.Logger;
+import org.w3c.dom.Document;
+
+import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
+import org.dive4elements.river.artifacts.model.FacetTypes;
+import org.dive4elements.river.artifacts.model.fixings.FixDerivateFacet;
+import org.dive4elements.river.artifacts.model.fixings.FixFunction;
+import org.dive4elements.river.artifacts.resources.Resources;
+import org.dive4elements.river.exports.ChartGenerator;
+import org.dive4elements.river.jfree.JFreeUtil;
+import org.dive4elements.river.jfree.StyledXYSeries;
+
+/**
+ * Generator for fixation derived function curve.
+ *
+ * @author <a href="mailto:christian.lins@intevation.de">Christian Lins</a>
+ */
+public class FixDerivedCurveGenerator
+extends FixChartGenerator
+implements FacetTypes
+{
+    /** Private logger. */
+    private static Logger logger =
+            Logger.getLogger(FixDerivedCurveGenerator.class);
+
+    public static final String I18N_CHART_TITLE =
+            "chart.fixings.derivedcurve.title";
+
+    public static final String I18N_CHART_SUBTITLE =
+            "chart.fixings.derivedcurve.subtitle";
+
+    public static final String I18N_XAXIS_LABEL =
+            "chart.fixings.derivedcurve.xaxis.label";
+
+    public static final String I18N_YAXIS_LABEL =
+            "chart.fixings.derivedcurve.yaxis.label";
+
+    public static final String I18N_CHART_TITLE_DEFAULT =
+            "Ableitungskurve";
+
+    public static final String I18N_XAXIS_LABEL_DEFAULT =
+            "Q [m\u00B3/s]";
+
+    public static final String I18N_YAXIS_LABEL_DEFAULT =
+            "W [NN + m]";
+
+    public static enum YAXIS {
+        W(0),
+        Q(1);
+        public int idx;
+        private YAXIS(int c) {
+            idx = c;
+        }
+    }
+
+
+    @Override
+    public void doOut(ArtifactAndFacet aaf, Document doc, boolean visible) {
+        logger.debug("doOut");
+
+        if (FacetTypes.IS.MANUALPOINTS(aaf.getFacetName())) {
+            doPoints(aaf.getData(context),
+                    aaf,
+                    doc, visible, YAXIS.W.idx);
+        }
+        else {
+            FixDerivateFacet facet = (FixDerivateFacet)aaf.getFacet();
+            FixFunction func = (FixFunction)facet.getData(
+                    aaf.getArtifact(), context);
+
+            if (func == null) {
+                logger.warn("doOut: Facet does not contain FixFunction");
+                return;
+            }
+
+            double maxQ = func.getMaxQ();
+
+            if (maxQ > 0) {
+                StyledXYSeries series = JFreeUtil.sampleFunction2D(
+                        func.getFunction(),
+                        doc,
+                        aaf.getFacetDescription(),
+                        500,   // number of samples
+                        0.0 ,  // start
+                        maxQ); // end
+                addAxisSeries(series, 0, visible);
+            }
+        }
+    }
+
+
+    @Override
+    protected String getDefaultChartTitle() {
+        return msg(I18N_CHART_TITLE, I18N_CHART_TITLE_DEFAULT);
+    }
+
+
+    @Override
+    protected String getChartTitle() {
+        return Resources.format(
+                context.getMeta(),
+                I18N_CHART_TITLE,
+                I18N_CHART_TITLE_DEFAULT,
+                context.getContextValue(CURRENT_KM));
+    }
+
+
+    @Override
+    protected String getDefaultXAxisLabel() {
+        return msg(I18N_XAXIS_LABEL, I18N_XAXIS_LABEL_DEFAULT);
+    }
+
+
+    @Override
+    protected String getDefaultYAxisLabel(int pos) {
+        return msg(I18N_YAXIS_LABEL, I18N_YAXIS_LABEL_DEFAULT);
+    }
+
+
+    @Override
+    protected ChartGenerator.YAxisWalker getYAxisWalker() {
+        return new YAxisWalker() {
+            @Override
+            public int length() {
+                return YAXIS.values().length;
+            }
+
+            @Override
+            public String getId(int idx) {
+                YAXIS[] yaxes = YAXIS.values();
+                return yaxes[idx].toString();
+            }
+        };
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :