X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcollection.h;h=fa3a7de9dbe25441417f988fbe16a5235cbf638d;hb=d84673be1c2fe8bd32ddaa7877529855cad6daa0;hp=303697a8c726f7c71e99c3a8d8e6582be998b87b;hpb=55592b9eeaff3d41e5f03b9c0c1566ed508f38a5;p=libs%2Fdatafile.git

diff --git a/source/collection.h b/source/collection.h
index 303697a..fa3a7de 100644
--- a/source/collection.h
+++ b/source/collection.h
@@ -284,6 +284,22 @@ public:
 	*/
 	bool contains(const std::string &n) const;
 
+	/**
+	Returns the name of an item in the collection.
+	*/
+	template<typename T>
+	const std::string &get_name(T *d) const
+	{
+		typedef typename RemoveConst<T>::Type NCT;
+
+		for(ItemMap::const_iterator i=items.begin(); i!=items.end(); ++i)
+			if(Item<NCT> *item=dynamic_cast<Item<NCT> *>(i->second))
+				if(item->data==d)
+					return i->first;
+	
+		throw KeyError("Item not found in collection");
+	}
+
 protected:
 	/**
 	Adds a type that can be loaded from datafiles.