--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/states/DischargeLongitudinalSection.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,155 @@
+package org.dive4elements.river.artifacts.states;
+
+import org.dive4elements.artifactdatabase.state.Facet;
+import org.dive4elements.artifactdatabase.state.FacetActivity;
+
+import org.dive4elements.artifacts.Artifact;
+import org.dive4elements.artifacts.CallContext;
+
+import org.dive4elements.river.artifacts.ChartArtifact;
+import org.dive4elements.river.artifacts.FLYSArtifact;
+
+import org.dive4elements.river.artifacts.access.Calculation4Access;
+
+import org.dive4elements.river.artifacts.model.Calculation4;
+import org.dive4elements.river.artifacts.model.CalculationResult;
+import org.dive4elements.river.artifacts.model.ConstantWQKms;
+import org.dive4elements.river.artifacts.model.CrossSectionWaterLineFacet;
+import org.dive4elements.river.artifacts.model.DataFacet;
+import org.dive4elements.river.artifacts.model.EmptyFacet;
+import org.dive4elements.river.artifacts.model.FacetTypes;
+import org.dive4elements.river.artifacts.model.ReportFacet;
+import org.dive4elements.river.artifacts.model.WQCKms;
+import org.dive4elements.river.artifacts.model.WQKms;
+import org.dive4elements.river.artifacts.model.WaterlevelFacet;
+
+import java.util.List;
+
+import org.apache.log4j.Logger;
+
+public class DischargeLongitudinalSection
+extends      DefaultState
+implements   FacetTypes
+{
+    private static Logger log =
+        Logger.getLogger(DischargeLongitudinalSection.class);
+
+    static {
+        // Active/deactivate facets.
+        FacetActivity.Registry.getInstance().register(
+            "winfo",
+            new FacetActivity() {
+                @Override
+                public Boolean isInitialActive(
+                    Artifact artifact,
+                    Facet    facet,
+                    String   output
+                ) {
+                    String name = facet.getName();
+                    if (name.equals(DISCHARGE_LONGITUDINAL_Q_INFOLD_CUT)) {
+                        return Boolean.FALSE;
+                    }
+                    return Boolean.TRUE;
+                }
+            });
+    }
+
+    @Override
+    public Object computeAdvance(
+        FLYSArtifact artifact,
+        String       hash,
+        CallContext  context,
+        List<Facet>  facets,
+        Object       old
+    ) {
+        if (artifact instanceof ChartArtifact) {
+            ChartArtifact chart = (ChartArtifact)artifact;
+            facets.add(new EmptyFacet());
+            return null;
+        }
+
+        Calculation4Access access = new Calculation4Access(artifact);
+
+        CalculationResult res = old instanceof CalculationResult
+            ? (CalculationResult)old
+            : new Calculation4(access).calculate();
+
+        if (facets == null) {
+            return res;
+        }
+
+        WQKms [] wqkms = (WQKms [])res.getData();
+
+        for (int i = 0; i < wqkms.length; i++) {
+            String nameW = null;
+            String nameQ = null;
+
+            if (access.isQ()) {
+                nameQ = wqkms[i].getName();
+                nameW = "W(" + nameQ + ")";
+            }
+            else {
+                nameW = wqkms[i].getName();
+                nameQ = "Q(" + nameW + ")";
+            }
+
+            // Do not generate Waterlevel/Waterline facets
+            // for Q only curves.
+            if (!(wqkms[i] instanceof ConstantWQKms)) {
+
+                Facet w = new WaterlevelFacet(
+                    i, DISCHARGE_LONGITUDINAL_W, nameW);
+
+                Facet s = new CrossSectionWaterLineFacet(i, nameW);
+
+                Facet q = new WaterlevelFacet(
+                    i, DISCHARGE_LONGITUDINAL_Q, nameQ);
+                facets.add(s);
+                facets.add(w);
+                facets.add(q);
+            }
+            else {
+                Facet q;
+                if (nameQ.contains("geschnitten")) {
+                    q = new WaterlevelFacet(
+                        i, DISCHARGE_LONGITUDINAL_Q_INFOLD_CUT, nameQ);
+                }
+                else {
+                    q = new WaterlevelFacet(
+                        i, DISCHARGE_LONGITUDINAL_Q_INFOLD, nameQ);
+                }
+                facets.add(q);
+            }
+
+            if (wqkms[i] instanceof WQCKms) {
+                // TODO DO i18n
+
+                String nameC = nameW.replace(
+                    "benutzerdefiniert",
+                    "benutzerdefiniert [korrigiert]");
+
+                Facet c = new WaterlevelFacet(
+                    i, DISCHARGE_LONGITUDINAL_C, nameC);
+
+                // Here, avoid index clash with Facet "s" above and
+                // signal the WINFO later that we want to access Cs.
+                Facet r = new CrossSectionWaterLineFacet(i + 1, nameC);
+
+                facets.add(c);
+                facets.add(r);
+            }
+        }
+
+        if (wqkms.length > 0) {
+            facets.add(new DataFacet(CSV, "CSV data"));
+            facets.add(new DataFacet(WST, "WST data"));
+        }
+
+        if (res.getReport().hasProblems()) {
+            facets.add(new ReportFacet());
+        }
+
+        return res;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :