styleData.row is always zero at TableViewColumn delegate.

import QtQuick 2.2
import QtQuick.Controls 1.1
TableView{
    width: 600
    height: 800
    model: 10
    TableViewColumn{
        delegate:Item{
            Component.onCompleted: {
                console.log("Row:" + styleData.row)
                console.log("Value:" + styleData.value)
            }
        }
    }
}