reiern70 commented on a change in pull request #481:
URL: https://github.com/apache/wicket/pull/481#discussion_r749020964



##########
File path: 
wicket-extensions/src/main/java/org/apache/wicket/extensions/markup/html/repeater/data/table/NavigationToolbar.java
##########
@@ -44,17 +46,18 @@ public NavigationToolbar(final DataTable<?, ?> table)
 
                WebMarkupContainer span = new WebMarkupContainer("span");
                add(span);
-               span.add(AttributeModifier.replace("colspan", new 
IModel<String>()
-               {
-                       @Override
-                       public String getObject()
-                       {
-                               return 
String.valueOf(table.getColumns().size()).intern();
-                       }
-               }));
+               span.add(AttributeModifier.replace("colspan", (IModel<String>) 
() -> String.valueOf(table.getColumns().size()).intern()));
 
                span.add(newPagingNavigator("navigator", table));
-               span.add(newNavigatorLabel("navigatorLabel", table));
+               Component complexLabel = 
newComplexNavigatorLabel("navigatorLabel", table);
+               if (complexLabel != null)
+               {
+                       span.add(complexLabel);
+               }
+               else
+               {
+                       span.add(newNavigatorLabel("navigatorLabel", table));

Review comment:
       @martin-g for wicket 10.x maybe we can change return type for 9.x plugin 
will complain and project does not build.




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