use a QSortFilterProxyModel to sort the data from the MarblePlacemarkModel instead of sorting within the model itself. This makes free the way for different Models to be used instead of the MarblePlacemarkModel...
use a QSortFilterProxyModel to sort the data from the MarblePlacemarkModel instead of sorting within the model itself.
This makes free the way for different Models to be used instead of the MarblePlacemarkModel...

svn path=/trunk/KDE/kdeedu/marble/; revision=948844

utkuaydin/marble,utkuaydin/marble,David-Gil/marble-dev,tzapzoor/marble,quannt24/marble,quannt24/marble,rku/marble,tzapzoor/marble,tucnak/marble,AndreiDuma/marble,rku/marble,probonopd/marble,rku/marble,David-Gil/marble-dev,probonopd/marble,utkuaydin/marble,quannt24/marble,Earthwings/marble,tzapzoor/marble,tucnak/marble,oberluz/marble,Earthwings/marble,adraghici/marble,David-Gil/marble-dev,probonopd/marble,AndreiDuma/marble,utkuaydin/marble,tucnak/marble,probonopd/marble,AndreiDuma/marble,adraghici/marble,rku/marble,rku/marble,AndreiDuma/marble,adraghici/marble,oberluz/marble,rku/marble,quannt24/marble,tzapzoor/marble,Earthwings/marble,tzapzoor/marble,David-Gil/marble-dev,quannt24/marble,tzapzoor/marble,David-Gil/marble-dev,adraghici/marble,tucnak/marble,utkuaydin/marble,adraghici/marble,utkuaydin/marble,oberluz/marble,Earthwings/marble,tucnak/marble,Earthwings/marble,oberluz/marble,AndreiDuma/marble,oberluz/marble,quannt24/marble,adraghici/marble,tucnak/marble,Earthwings/marble,tzapzoor/marble,oberluz/marble,probonopd/marble,tzapzoor/marble,tucnak/marble,quannt24/marble,probonopd/marble,David-Gil/marble-dev,AndreiDuma/marble,probonopd/marble