--- a/flys-client/src/main/java/de/intevation/flys/client/client/ui/map/MapThemePanel.java	Wed Jul 20 07:52:19 2011 +0000
+++ b/flys-client/src/main/java/de/intevation/flys/client/client/ui/map/MapThemePanel.java	Wed Jul 20 13:31:20 2011 +0000
@@ -19,9 +19,18 @@
  */
 public class MapThemePanel extends ThemePanel {
 
+    public interface ActivateCallback {
+        void activate(Theme theme, boolean activate);
+    }
+
+
+
     private FLYSConstants MSG = GWT.create(FLYSConstants.class);
 
 
+    protected ActivateCallback activateCallback;
+
+
     public static final String GRID_FIELD_ACTIVE = "active";
     public static final String GRID_FIELD_NAME   = "name";
 
@@ -29,9 +38,15 @@
     protected MapOutputTab mapOut;
 
 
-    public MapThemePanel(Collection collection, OutputMode mode) {
+    public MapThemePanel(
+        Collection       collection,
+        OutputMode       mode,
+        ActivateCallback activateCallback)
+    {
         super(collection, mode);
 
+        this.activateCallback = activateCallback;
+
         initGrid();
         initLayout();
 
@@ -79,6 +94,10 @@
 
     @Override
     public void activateTheme(Theme theme, boolean active) {
+        if (activateCallback != null) {
+            activateCallback.activate(theme, active);
+        }
+
         theme.setActive(active ? 1 : 0);
     }
 }