reportbuilder: make "Group on" not-"Each Value" actually work

Change-Id: Id5d73f9aac48ebfb6987e5bf0df37e62f1817bdc

1 files changed, 11 insertions, 0 deletions

diff --git a/reportbuilder/java/org/libreoffice/report/pentaho/model/OfficeGroup.java b/reportbuilder/java/org/libreoffice/report/pentaho/model/OfficeGroup.java
index b10aab188d0c..79ea585ebf3a 100644
--- a/reportbuilder/java/org/libreoffice/report/pentaho/model/OfficeGroup.java
+++ b/reportbuilder/java/org/libreoffice/report/pentaho/model/OfficeGroup.java
@@ -81,4 +81,15 @@ public class OfficeGroup extends Section
         }
         return instanceSection.getGroupingExpression();
     }
+
+    public String getSortingExpression()
+    {
+        final OfficeGroupInstanceSection instanceSection =
+                (OfficeGroupInstanceSection) findFirstChild(JFreeReportInfo.REPORT_NAMESPACE, "group-instance");
+        if (instanceSection == null)
+        {
+            return null;
+        }
+        return instanceSection.getSortingExpression();
+    }
 }