From c7834751ba5e32039efd9c31f6b6b2346ed6023c Mon Sep 17 00:00:00 2001
From: Marco Hugentobler <marco.hugentobler@sourcepole.ch>
Date: Thu, 17 Dec 2015 17:19:39 +0100
Subject: [PATCH] Legend: leave away empty groups (fix #12969)

---
 src/core/qgslegendrenderer.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/core/qgslegendrenderer.cpp b/src/core/qgslegendrenderer.cpp
index 03060079c09..74cbd3543e4 100644
--- a/src/core/qgslegendrenderer.cpp
+++ b/src/core/qgslegendrenderer.cpp
@@ -161,6 +161,7 @@ QList<QgsLegendRenderer::Atom> QgsLegendRenderer::createAtomList( QgsLayerTreeGr
 
       // Group subitems
       QList<Atom> groupAtoms = createAtomList( nodeGroup, splitLayer );
+      bool hasSubItems = groupAtoms.size() > 0;
 
       if ( nodeLegendStyle( nodeGroup ) != QgsComposerLegendStyle::Hidden )
       {
@@ -188,7 +189,12 @@ QList<QgsLegendRenderer::Atom> QgsLegendRenderer::createAtomList( QgsLayerTreeGr
           groupAtoms.append( atom );
         }
       }
-      atoms.append( groupAtoms );
+
+      if ( hasSubItems ) //leave away groups without content
+      {
+        atoms.append( groupAtoms );
+      }
+
     }
     else if ( QgsLayerTree::isLayer( node ) )
     {