From d769fba4b8c4e11bbd74e4dcd469c1453ef0cfcc Mon Sep 17 00:00:00 2001
From: Maxime Gimeno <maxime.gimeno@gmail.com>
Date: Fri, 11 Dec 2015 13:11:36 +0100
Subject: [PATCH] Polylines in point_set_selection fix

---
 Polyhedron/demo/Polyhedron/Scene.cpp | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/Polyhedron/demo/Polyhedron/Scene.cpp b/Polyhedron/demo/Polyhedron/Scene.cpp
index bc971d164cb..d028be88f98 100644
--- a/Polyhedron/demo/Polyhedron/Scene.cpp
+++ b/Polyhedron/demo/Polyhedron/Scene.cpp
@@ -114,24 +114,26 @@ Scene::erase(int index)
         return -1;
 
     CGAL::Three::Scene_item* item = m_entries[index];
+    CGAL::Three::Scene_group_item* group =
+            qobject_cast<CGAL::Three::Scene_group_item*>(item);
+  if(group)
+  {
+      m_group_entries.removeAll(group);
+  }
     Q_FOREACH(CGAL::Three::Scene_group_item* group, m_group_entries)
     {
         if(group->getChildren().contains(item))
             group->removeChild(item);
-        if (group->getChildren().isEmpty())
-        {
-            m_group_entries.removeOne(group);
-            m_entries.removeOne(group);
-        }
     }
   Q_EMIT itemAboutToBeDestroyed(item);
     delete item;
     m_entries.removeAt(index);
   selected_item = -1;
-
+  group_added();
   QStandardItemModel::beginResetModel();
   Q_EMIT updated();
   QStandardItemModel::endResetModel();
+  Q_EMIT restoreCollapsedState();
     if(--index >= 0)
         return index;
     if(!m_entries.isEmpty())