Fix LayerTreeModel use of beginInsertRows with embedded legends

See http://hub.qgis.org/issues/11905
qgis · Dec 23, 2014 · 32079ed3cf7cf851515c63ed01cb994169f45963 · 32079ed
1 parent a4aaff5
commit 32079ed3cf7cf851515c63ed01cb994169f45963
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/core/layertree/qgslayertreemodel.cpp b/src/core/layertree/qgslayertreemodel.cpp
@@ -794,7 +794,9 @@ void QgsLayerTreeModel::addLegendToLayer( QgsLayerTreeLayer* nodeL )
 
   QList<QgsLayerTreeModelLegendNode*> filteredLstNew = filterLegendNodes( lstNew );
 
-  beginInsertRows( node2index( nodeL ), 0, filteredLstNew.count() - 1 );
+  bool isEmbedded = filteredLstNew.count() == 1 && filteredLstNew[0]->isEmbeddedInParent();
+
+  if ( ! isEmbedded ) beginInsertRows( node2index( nodeL ), 0, filteredLstNew.count() - 1 );
 
   foreach ( QgsLayerTreeModelLegendNode* n, lstNew )
   {
@@ -805,7 +807,7 @@ void QgsLayerTreeModel::addLegendToLayer( QgsLayerTreeLayer* nodeL )
   mOriginalLegendNodes[nodeL] = lstNew;
   mLegendNodes[nodeL] = filteredLstNew;
 
-  endInsertRows();
+  if ( ! isEmbedded ) endInsertRows();
 }