_selectionModel = selectionModel;
connect(_selectionModel, SIGNAL(currentRowChanged(QModelIndex, QModelIndex)),
this, SLOT(setCurrentRow(QModelIndex, QModelIndex)));
_selectionModel = selectionModel;
connect(_selectionModel, SIGNAL(currentRowChanged(QModelIndex, QModelIndex)),
this, SLOT(setCurrentRow(QModelIndex, QModelIndex)));