--- a/gwt-client/src/main/java/org/dive4elements/river/client/client/ui/MultiPeriodPanel.java	Wed Jun 18 14:25:46 2014 +0200
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/client/ui/MultiPeriodPanel.java	Wed Jun 18 14:26:36 2014 +0200
@@ -11,6 +11,7 @@
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.i18n.client.DateTimeFormat;
 
+import com.smartgwt.client.data.DateRange;
 import com.smartgwt.client.types.ListGridFieldType;
 import com.smartgwt.client.widgets.Button;
 import com.smartgwt.client.widgets.Canvas;
@@ -70,8 +71,9 @@
         add.addClickHandler(new ClickHandler() {
             @Override
             public void onClick(ClickEvent ce) {
-                Date f = inputPanel.getFromDate();
-                Date t = inputPanel.getToDate();
+                DateRange range = inputPanel.getValue();
+                Date f = range.getStartDate();
+                Date t = range.getEndDate();
                 if (f == null || t == null) {
                     return;
                 }