# HG changeset patch
# User Ingo Weinzierl <ingo.weinzierl@intevation.de>
# Date 1308059659 0
# Node ID dda282dcc44f30445ec33b050fd5d4ed2d2d778d
# Parent  bcd62609c936aeb05a5db50f298cde925b311bb6
The min/max W/Q ranges in the panel for calculation4 are written into the DESCRIBE.

flys-artifacts/trunk@2110 c6561f87-3c4e-4783-a992-168aeb5c3f6f

diff -r bcd62609c936 -r dda282dcc44f flys-artifacts/ChangeLog
--- a/flys-artifacts/ChangeLog	Tue Jun 14 13:53:25 2011 +0000
+++ b/flys-artifacts/ChangeLog	Tue Jun 14 13:54:19 2011 +0000
@@ -6,6 +6,11 @@
 
 2011-06-14  Ingo Weinzierl <ingo@intevation.de>
 
+	* src/main/java/de/intevation/flys/artifacts/states/WQAdapted.java:
+	  Write the min/max W/Q ranges as art:range elements into the DESCRIBE.
+
+2011-06-14  Ingo Weinzierl <ingo@intevation.de>
+
 	* src/main/java/de/intevation/flys/artifacts/states/LocationSelect.java:
 	  This state that is used to retrieve locations will now write the
 	  kilometer range of the selected river into the DESCRIBE document.
diff -r bcd62609c936 -r dda282dcc44f flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/WQAdapted.java
--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/WQAdapted.java	Tue Jun 14 13:53:25 2011 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/WQAdapted.java	Tue Jun 14 13:54:19 2011 +0000
@@ -121,6 +121,8 @@
         FLYSArtifact flysArtifact = (FLYSArtifact) artifact;
 
         double[]    dist   = flysArtifact.getDistance();
+        River       river  = flysArtifact.getRiver();
+        Wst         wst    = WstFactory.getWst(river);
         List<Gauge> gauges = flysArtifact.getGauges();
 
         int num = gauges != null ? gauges.size() : 0;
@@ -147,8 +149,11 @@
                 double from = lower < rangeFrom ? rangeFrom : lower;
                 double to   = upper > rangeTo   ? rangeTo   : upper;
 
+                double[] mmQ = determineMinMaxQ(gauge, wst);
+                double[] mmW = gauge.determineMinMaxW();
+
                 elements[idx++] = createItem(
-                    cr, new String[] { from + ";" + to, ""});
+                    cr, new String[] { from + ";" + to, ""}, mmQ, mmW);
             }
         }
         else {
@@ -173,6 +178,16 @@
 
 
     protected Element createItem(XMLUtils.ElementCreator cr, Object obj) {
+        return createItem(cr, obj, null, null);
+    }
+
+
+    protected Element createItem(
+        XMLUtils.ElementCreator cr,
+        Object   obj,
+        double[] q,
+        double[] w)
+    {
         Element item  = ProtocolUtils.createArtNode(cr, "item", null, null);
         Element label = ProtocolUtils.createArtNode(cr, "label", null, null);
         Element value = ProtocolUtils.createArtNode(cr, "value", null, null);
@@ -185,10 +200,67 @@
         item.appendChild(label);
         item.appendChild(value);
 
+        if (q != null) {
+            Element qRange = createRangeElement(cr, q, "Q");
+            item.appendChild(qRange);
+        }
+
+        if (w != null) {
+            Element wRange = createRangeElement(cr, w, "W");
+            item.appendChild(wRange);
+        }
+
         return item;
     }
 
 
+    protected Element createRangeElement(
+        XMLUtils.ElementCreator cr,
+        double[] mm,
+        String   type)
+    {
+        Element range = ProtocolUtils.createArtNode(
+            cr, "range",
+            new String[] {"type"},
+            new String[] {type});
+
+        Element min = ProtocolUtils.createArtNode(cr, "min", null, null);
+        min.setTextContent(String.valueOf(mm[0]));
+
+        Element max = ProtocolUtils.createArtNode(cr, "max", null, null);
+        max.setTextContent(String.valueOf(mm[1]));
+
+        range.appendChild(min);
+        range.appendChild(max);
+
+        return range;
+    }
+
+
+    /**
+     * Determines the min and max Q value for the given gauge. If no min and
+     * max values could be determined, this method will return
+     * [Double.MIN_VALUE, Double.MAX_VALUE].
+     *
+     * @param gauge
+     * @param wst
+     *
+     * @return the min and max Q values for the given gauge.
+     */
+    protected double[] determineMinMaxQ(Gauge gauge, Wst wst) {
+        logger.debug("WQAdapted.determineMinMaxQ");
+
+        double[] minmaxQ = gauge != null
+            ? wst.determineMinMaxQ(gauge.getRange())
+            : null;
+
+        double minQ = minmaxQ != null ? minmaxQ[0] : Double.MIN_VALUE;
+        double maxQ = minmaxQ != null ? minmaxQ[1] : Double.MAX_VALUE;
+
+        return new double[] { minQ, maxQ };
+    }
+
+
     @Override
     protected String getUIProvider() {
         return "wq_panel_adapted";