C++ (Qt)class MyModel : public QStandardItemModel{public: MyModel(QObject* parent) : QStandardItemModel(parent){} QVariant data(const QModelIndex &index, int role) const { if (role == Qt::DisplayRole) { return QStandardItemModel::data(index).toString() + "item"; } return QStandardItemModel::data(index, role); }};
switch(role){ case Qt::EditRole: { return value; break; } case Qt::DisplayRole: { if (value.type() == QVariant::Double) return QString("%L1").arg(value.toDouble(), 0, 'f', 2); else if (value.type() == QVariant::Date) return value.toDate().toString("dd.MM.yyyy"); else return value; break; }}
C++ (Qt)model->setData(1, Qt::EditRole);model->setData("one", Qt::DisplayRole);qDebug() << model->data(Qt::EditRole); // "one" model->setData("one", Qt::DisplayRole);model->setData(1, Qt::EditRole);qDebug() << model->data(Qt::DisplayRole); // 1
