how to get qstandarditem from qmodelindex using qitemdelegate (qabstractitemmodel)

[qsurvae]

I have a qstandarditemmodel and a qtableview but when using QItemDelegate to get QLineEdit editor I must declare QAbstractItemModel rather than QStandardItemModel when using Delegate::setModelData, thus I cannot use QstandardItem::itemFromIndex within the setModelData function of the delegate.

How can I get a QStandardItem from a QmodelIndex in this case?

Or how can I use the delegate with QStandardItemModel rather than QAbstractItemModel so that I can access model->itemFromIndex...

void Delegate::setModelData(QWidget * editor, QAbstractItemModel * model, const QModelIndex & index) const
{
 
 
    QStandardItem *item = model->itemFromIndex(index); //itemFromIndex does not exist in this context!

void Delegate::setModelData(QWidget * editor, QAbstractItemModel * model, const QModelIndex & index) const
{


    QStandardItem *item = model->itemFromIndex(index); //itemFromIndex does not exist in this context!

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