--- a/gwt-client/src/main/java/org/dive4elements/river/client/client/ui/DemDatacagePanel.java	Wed Jul 04 10:46:37 2018 +0200
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/client/ui/DemDatacagePanel.java	Wed Jul 04 12:00:51 2018 +0200
@@ -8,6 +8,9 @@
 
 package org.dive4elements.river.client.client.ui;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import org.dive4elements.river.client.shared.model.Data;
 import org.dive4elements.river.client.shared.model.DataItem;
 import org.dive4elements.river.client.shared.model.DefaultData;
@@ -16,75 +19,43 @@
 import org.dive4elements.river.client.shared.model.ToLoad;
 import org.dive4elements.river.client.shared.model.User;
 
-import java.util.ArrayList;
-import java.util.List;
-
-
 public class DemDatacagePanel extends DatacagePanel {
 
     private static final long serialVersionUID = -2301633938080411687L;
 
-    public static final String OUT        = "floodmap_dem_panel";
-    public static final String PARAMETERS = "dem:true";
-
-
-    public DemDatacagePanel() {
-        super();
-    }
-
-
-    public DemDatacagePanel(User user) {
-        super(user);
-    }
-
+    private static final String OUT = "floodmap_dem_panel";
 
-    @Override
-    protected void createWidget() {
-        super.createWidget();
-        widget.setIsMutliSelectable(false);
-    }
-
+    private static final String PARAMETERS = "dem:true";
 
-    @Override
-    public String getOuts() {
-        return OUT;
+    public DemDatacagePanel(final User user) {
+        super(user, OUT, PARAMETERS, false);
     }
 
-
-    @Override
-    public String getParameters() {
-        return PARAMETERS;
-    }
-
-
     @Override
     public List<String> validate() {
-        List<String> errors = new ArrayList<String>();
+        final List<String> errors = new ArrayList<String>();
 
-        Recommendation r = getSelectedRecommendation();
-        if (r == null) {
+        final Recommendation r = getSelectedRecommendation();
+        if (r == null)
             errors.add(MSG.requireDGM());
-        }
 
         return errors;
     }
 
-
     @Override
     protected Data[] getData() {
-        Recommendation r = getSelectedRecommendation();
+        final Recommendation r = getSelectedRecommendation();
 
-        DataItem item = new DefaultDataItem(dataName, dataName, r.getIDs());
-        return new Data[] { new DefaultData(
-            dataName, null, null, new DataItem[] { item }) };
+        final String dataName = getMyDataName();
+
+        final DataItem item = new DefaultDataItem(dataName, dataName, r.getIDs());
+        return new Data[] { new DefaultData(dataName, null, null, new DataItem[] { item }) };
     }
 
-
     protected Recommendation getSelectedRecommendation() {
-        ToLoad toLoad = widget.getSelection();
-        List<Recommendation> recoms = toLoad.toRecommendations();
+        final ToLoad toLoad = getSelection();
+        final List<Recommendation> recoms = toLoad.toRecommendations();
 
         return recoms != null && recoms.size() >= 1 ? recoms.get(0) : null;
     }
-}
-// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
+}
\ No newline at end of file