Index: /home/drofan/unstable/qgis/python/core/qgsvectorlayer.sip
===================================================================
--- /home/drofan/unstable/qgis/python/core/qgsvectorlayer.sip   (revision 10693)
+++ /home/drofan/unstable/qgis/python/core/qgsvectorlayer.sip   (working copy)
@@ -364,6 +364,11 @@

   /**access range */
   RangeData &range(int idx);
+ 
+   /** Change feature  with 3rd party geometry and attribue updates
+   @note this method was added in version 1.1
+   */
+   changeFeature( QgsFeature &f );

public slots:

Index: /home/drofan/unstable/qgis/src/core/qgsvectorlayer.cpp
===================================================================
--- /home/drofan/unstable/qgis/src/core/qgsvectorlayer.cpp   (revision 10693)
+++ /home/drofan/unstable/qgis/src/core/qgsvectorlayer.cpp   (working copy)
@@ -3671,3 +3670,16 @@
   }
   return 0; //not found
}
+
+void QgsVectorLayer::changeFeature( QgsFeature &f )
+{
+      // do not update when we aren't in editing mode
+  if ( ! mEditable )
+    return;
+
+  mChangedGeometries[f.id()]= *f.geometry();
+
+  mChangedAttributeValues[ f.id()]=f.attributeMap();
+
+  setModified(true,false);
+}

Index: /home/drofan/unstable/qgis/src/core/qgsvectorlayer.h
===================================================================
--- /home/drofan/unstable/qgis/src/core/qgsvectorlayer.h   (revision 10693)
+++ /home/drofan/unstable/qgis/src/core/qgsvectorlayer.h   (working copy)
@@ -447,6 +447,11 @@
     */
     QgsVectorOverlay* findOverlayByType( const QString& typeName );

+     /** Change feature  with 3rd party geometry and attribue updates
+     @note this method was added in version 1.1
+     */
+    void changeFeature( QgsFeature &f );
+
   public slots:
     /** Select feature by its ID, optionally emit signal selectionChanged() */
     void select( int featureId, bool emitSignal = TRUE );