Default delegate displays empty QLineEdit?

[spirit]

does index.data(Qt:isplayRole).toString() return something?
what you will see in console if you execute this code?

...
qDebug() << index.data(Qt::DisplayRole).toString();
qDebug() << index.data(Qt::EditRole).toString();
...

...
qDebug() << index.data(Qt::DisplayRole).toString();
qDebug() << index.data(Qt::EditRole).toString();
...

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