--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/SoundingsSelect.java	Fri Sep 28 12:14:39 2012 +0200
@@ -0,0 +1,199 @@
+package de.intevation.flys.artifacts.states;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.log4j.Logger;
+
+import de.intevation.artifacts.Artifact;
+import de.intevation.artifacts.CallContext;
+
+import de.intevation.artifacts.common.model.KVP;
+
+import de.intevation.flys.model.BedHeightEpoch;
+import de.intevation.flys.model.BedHeightSingle;
+import de.intevation.flys.model.River;
+
+import de.intevation.flys.artifacts.FLYSArtifact;
+import de.intevation.flys.utils.FLYSUtils;
+
+
+public class SoundingsSelect extends MultiStringArrayState {
+
+    public static final String SOUNDINGS  = "soundings";
+
+    public static final String PREFIX_SINGLE = "single-";
+
+    public static final String PREFIX_EPOCH  = "epoch-";
+
+
+    private static final Logger logger = Logger.getLogger(SoundingsSelect.class);
+
+
+    @Override
+    public String getUIProvider() {
+        return "parameter-matrix";
+    }
+
+
+    @Override
+    protected KVP<String, String>[] getOptions(
+        Artifact artifact,
+        String   parameterName
+    )
+    throws IllegalArgumentException
+    {
+        logger.debug("Get options for parameter: '" + parameterName + "'");
+
+        if (!testParameterName(parameterName)) {
+            throw new IllegalArgumentException(
+                "Invalid parameter for state: '" + parameterName + "'");
+        }
+
+        River river = FLYSUtils.getRiver((FLYSArtifact) artifact);
+        double lo = ((FLYSArtifact) artifact).getDataAsDouble("ld_from");
+        double hi = ((FLYSArtifact) artifact).getDataAsDouble("ld_to");
+
+        double kmLo = Math.min(lo, hi);
+        double kmHi = Math.max(lo, hi);
+
+        List<KVP<String, String>> kvp = new ArrayList<KVP<String, String>>();
+
+        appendSingles(river, kmLo, kmHi, kvp);
+        appendEpochs(river, kmLo, kmHi, kvp);
+
+        return kvp.toArray(new KVP[kvp.size()]);
+    }
+
+
+    protected void appendSingles(
+        River river,
+        double kmLo,
+        double kmHi,
+        List<KVP<String, String>> kvp
+    ) {
+        List<BedHeightSingle> singles =
+            BedHeightSingle.getBedHeightSingles(river, kmLo, kmHi);
+
+        if (singles != null) {
+            for (int i = 0, S = singles.size(); i < S; i++) {
+                BedHeightSingle s = singles.get(i);
+
+                String id    = PREFIX_SINGLE + s.getId();
+                String value = s.getDescription();
+
+                kvp.add(new KVP(id, value));
+            }
+        }
+    }
+
+
+    protected void appendEpochs(
+        River river,
+        double kmLo,
+        double kmHi,
+        List<KVP<String, String>> kvp
+    ) {
+        List<BedHeightEpoch> epochs =
+            BedHeightEpoch.getBedHeightEpochs(river, kmLo, kmHi);
+
+        if (epochs != null) {
+            for (int i = 0, E = epochs.size(); i < E; i++) {
+                BedHeightEpoch e = epochs.get(i);
+
+                String id    = PREFIX_EPOCH + e.getId();
+                String value = e.getDescription();
+
+                kvp.add(new KVP(id, value));
+            }
+        }
+    }
+
+
+    @Override
+    protected String getLabelFor(
+        CallContext cc,
+        String      parameterName,
+        String      value
+    ) throws IllegalArgumentException
+    {
+        if (!testParameterName(parameterName)) {
+            throw new IllegalArgumentException(
+                "Invalid parameter for state: '" + parameterName + "'");
+        }
+
+        if (value.indexOf(PREFIX_SINGLE) >= 0) {
+            return getLabelForSingle(cc, value);
+        }
+        else if (value.indexOf(PREFIX_EPOCH) >= 0) {
+            return getLabelForEpoch(cc, value);
+        }
+
+        return value;
+    }
+
+
+    protected String getLabelForSingle(CallContext cc, String value) {
+        String id = value.replace(PREFIX_SINGLE, "");
+        try {
+            BedHeightSingle s = BedHeightSingle.getBedHeightSingleById(
+                Integer.parseInt(id));
+
+            if (s != null) {
+                return s.getDescription();
+            }
+            else {
+                return "no value for '" + id + "'";
+            }
+        }
+        catch (NumberFormatException nfe) {
+            logger.warn("Could not parse id from string '" + id + "'", nfe);
+        }
+
+        return "n.A.";
+    }
+
+
+    protected String getLabelForEpoch(CallContext cc, String value) {
+        String id = value.replace(PREFIX_EPOCH, "");
+        try {
+            BedHeightEpoch e = BedHeightEpoch.getBedHeightEpochById(
+                Integer.parseInt(id));
+
+            if (e != null) {
+                return e.getDescription();
+            }
+            else {
+                return "no value for '" + id + "'";
+            }
+        }
+        catch (NumberFormatException nfe) {
+            logger.warn("Could not parse id from string '" + id + "'", nfe);
+        }
+
+        return "n.A.";
+    }
+
+
+    /**
+     * This method might be used to test, if a parameter name is handled by this
+     * state.
+     *
+     * @param parameterName The name of a parameter.
+     *
+     * @return true, if parameterName is one of <i>MAIN_CHANNEL</i> or
+     * <i>TOTAL_CHANNEL</i>. Otherwise false.
+     */
+    protected boolean testParameterName(String parameterName) {
+        if (parameterName == null || parameterName.length() == 0) {
+            return false;
+        }
+        else if (parameterName.equals(SOUNDINGS)) {
+            return true;
+        }
+        else {
+            return false;
+        }
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :