--- a/hgcacheproxymodel/src/hgcacheproxymodel.cpp	Fri Sep 17 15:55:58 2010 +0300
+++ b/hgcacheproxymodel/src/hgcacheproxymodel.cpp	Wed Oct 06 14:53:41 2010 +0300
@@ -707,4 +707,13 @@
     }
 }
 
+bool HgCacheProxyModel::isCached(int idx) const
+{
+    bool res = false;
+    if (mBufferManager) {
+        res = mBufferManager->isCached(mapFromDataProviderIndex(idx));
+    }
+    return res;
+}
+
 //eof