From c7b981f0d627761b0d3c03f6af5ada7b571df30b Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Fri, 10 Apr 2009 09:56:04 +0000
Subject: [PATCH] From Romain Charbit, "added a
 getConnectedSelections(Dragger&) method, so we can get which selections are
 connected to a dragger without make our own multimap, copying the existing
 _draggerSelectionMap (which is protected with no accessors) ."

---
 include/osgManipulator/CommandManager |  3 +++
 src/osgManipulator/CommandManager.cpp | 21 +++++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/include/osgManipulator/CommandManager b/include/osgManipulator/CommandManager
index 2230eeec1..898fa3a75 100644
--- a/include/osgManipulator/CommandManager
+++ b/include/osgManipulator/CommandManager
@@ -47,6 +47,9 @@ class OSGMANIPULATOR_EXPORT CommandManager : public osg::Referenced
         /** Add all selections connected to the dragger to the command. */
         void addSelectionsToCommand(MotionCommand& command, Dragger& dragger);
 
+        /** Returns the selections connected to the dragger */
+        std::list< osg::ref_ptr<Selection> > getConnectedSelections(Dragger& dragger);
+
     protected:
 
         virtual ~CommandManager();
diff --git a/src/osgManipulator/CommandManager.cpp b/src/osgManipulator/CommandManager.cpp
index b71b271b8..45b38350a 100644
--- a/src/osgManipulator/CommandManager.cpp
+++ b/src/osgManipulator/CommandManager.cpp
@@ -122,3 +122,24 @@ void CommandManager::addSelectionsToCommand(MotionCommand& command, Dragger& dra
         }
     }
 }
+
+
+std::list< osg::ref_ptr<Selection> > CommandManager::getConnectedSelections(Dragger& dragger)
+{
+    std::list< osg::ref_ptr<Selection> > selections = std::list< osg::ref_ptr<Selection> >();
+
+    //Test if the dragger is in the list
+    if (_draggerSelectionMap.count(&dragger) > 0)
+    {
+        //Get the iterator range on key 'dragger'
+        std::pair<DraggerSelectionMap::iterator,DraggerSelectionMap::iterator> draggerRange = _draggerSelectionMap.equal_range(&dragger);
+        for (DraggerSelectionMap::iterator selectionsIterator = draggerRange.first;
+           selectionsIterator != draggerRange.second;
+           ++selectionsIterator)
+        {
+            //Push in the list all selections connected with the dragger
+            selections.push_back((*selectionsIterator).second);
+        }
+    }
+    return selections;
+}