_selectionModelSynchronizer(new SelectionModelSynchronizer(this)),
_propertyMapper(new ModelPropertyMapper(this))
{
+ rootItem->setFlags(rootItem->flags() | Qt::ItemIsDropEnabled);
_propertyMapper->setModel(this);
delete _propertyMapper->selectionModel();
MappedSelectionModel *mappedSelectionModel = new MappedSelectionModel(this);