--- a/gwt-client/src/main/java/org/dive4elements/river/client/client/ui/HWSDatacagePanel.java	Wed Jul 04 10:46:37 2018 +0200
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/client/ui/HWSDatacagePanel.java	Wed Jul 04 12:00:51 2018 +0200
@@ -8,13 +8,8 @@
 
 package org.dive4elements.river.client.client.ui;
 
-import com.google.gwt.core.client.GWT;
-
-import com.smartgwt.client.widgets.Canvas;
-import com.smartgwt.client.widgets.Label;
-
-import com.smartgwt.client.widgets.layout.HLayout;
-import com.smartgwt.client.widgets.layout.VLayout;
+import java.util.ArrayList;
+import java.util.List;
 
 import org.dive4elements.river.client.shared.model.Data;
 import org.dive4elements.river.client.shared.model.DataItem;
@@ -23,70 +18,48 @@
 import org.dive4elements.river.client.shared.model.DefaultDataItem;
 import org.dive4elements.river.client.shared.model.User;
 
-import java.util.ArrayList;
-import java.util.List;
-
+import com.google.gwt.core.client.GWT;
+import com.smartgwt.client.widgets.Canvas;
+import com.smartgwt.client.widgets.Label;
+import com.smartgwt.client.widgets.layout.HLayout;
+import com.smartgwt.client.widgets.layout.VLayout;
 
-public class HWSDatacagePanel
-extends DatacagePanel
-{
-    public static final String OUT        = "floodmap_hws_panel";
-    public static final String PARAMETERS = "hws:true;load-system:true";
-
+public class HWSDatacagePanel extends DatacagePanel {
 
-    public HWSDatacagePanel() {
-        super();
-    }
+    private static final long serialVersionUID = 1L;
 
+    private static final String OUT = "floodmap_hws_panel";
 
-    public HWSDatacagePanel(User user) {
-        super(user);
+    private static final String PARAMETERS = "hws:true;load-system:true";
+
+    public HWSDatacagePanel(final User user) {
+        super(user, OUT, PARAMETERS, true);
     }
 
-
-    @Override
-    protected void createWidget() {
-        super.createWidget();
-        widget.setIsMutliSelectable(true);
-    }
-
-
-    @Override
-    public String getOuts() {
-        return OUT;
-    }
-
-
-    @Override
-    public String getParameters() {
-        return PARAMETERS;
-    }
-
-
     @Override
     public List<String> validate() {
-        List<String> errors = new ArrayList<String>();
+        final List<String> errors = new ArrayList<String>();
 
         return errors;
     }
 
     @Override
-    public Canvas createOld(DataList dataList) {
+    public Canvas createOld(final DataList dataList) {
         GWT.log("old datacage##########################################");
-        HLayout layout  = new HLayout();
-        VLayout vLayout = new VLayout();
+        final HLayout layout = new HLayout();
+        final VLayout vLayout = new VLayout();
         layout.setWidth("400px");
 
-        Label label = new Label(dataList.getLabel());
+        final Label label = new Label(dataList.getLabel());
         label.setWidth("200px");
 
-        int size = dataList.size();
+        final int size = dataList.size();
         for (int i = 0; i < size; i++) {
-            Data data        = dataList.get(i);
-            DataItem[] items = data.getItems();
+            final Data data = dataList.get(i);
+            final DataItem[] items = data.getItems();
 
-            for (DataItem item: items) {
-                HLayout hLayout = new HLayout();
+            for (final DataItem item : items) {
+                final HLayout hLayout = new HLayout();
 
                 hLayout.addMember(label);
                 hLayout.addMember(new Label(item.getLabel()));
@@ -96,7 +69,7 @@
             }
         }
 
-        Canvas back = getBackButton(dataList.getState());
+        final Canvas back = getBackButton(dataList.getState());
 
         layout.addMember(label);
         layout.addMember(vLayout);
@@ -105,19 +78,17 @@
         return layout;
     }
 
-
     @Override
     protected Data[] getData() {
-        String[] selection = this.widget.getSelectionTitles();
+        final String[] selection = getSelectionTitles();
         String result = "";
         boolean first = true;
         if (selection != null) {
-            for (String record: selection) {
+            for (final String record : selection) {
                 if (first) {
                     result += record;
                     first = false;
-                }
-                else {
+                } else {
                     result += ";" + record;
                 }
             }
@@ -125,13 +96,10 @@
         if (result.length() == 0) {
             result = MSG.notselected();
         }
-        Data[] data = new Data[1];
-        DataItem item = new DefaultDataItem(
-                "uesk.hws", "uesk.hws", result);
-        data[0] = new DefaultData(
-            "uesk.hws", null, null, new DataItem[] {item});
+        final Data[] data = new Data[1];
+        final DataItem item = new DefaultDataItem("uesk.hws", "uesk.hws", result);
+        data[0] = new DefaultData("uesk.hws", null, null, new DataItem[] { item });
 
         return data;
     }
-}
-// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
+}
\ No newline at end of file