370     p.first = from;

   370     p.first = from;

   371     p.second = to;    

   371     p.second = to;    

   372     mObserverDataUpdated.append(p);

   372     mObserverDataUpdated.append(p);

   373 }

   373 }

   374 

   374 

   375 void DataProviderHelper::slotDataUpdated(QModelIndex from,QModelIndex to)

   380 void DataProviderHelper::slotDataUpdated(QModelIndex from,QModelIndex to)

   376 {

   381 {

   377     QPair< int, int > p;

   382     QPair< int, int > p;

   378     p.first = from.row();

   383     p.first = from.row();

   379     p.second = to.row();    

   384     p.second = to.row();