/**
  * Is triggered when the checkbox value changes
  *
  * @param event change event
  */
 @Override
 public void valueChange(final Property.ValueChangeEvent event) {
   dsTable.setVisible(checkBox.getValue());
   if (window != null) {
     window.center();
   }
 }
 public void setValue(final DistributionSetIdName distSet) {
   dsTable.setVisible(distSet != null);
   checkBox.setValue(distSet != null);
   dsTable.setValue(distSet);
   dsTable.setCurrentPageFirstItemId(distSet);
 }