src_gui_itemviews_qidentityproxymodel.cpp

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// Copyright (C) 2016 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Stephen Kelly <stephen.kelly@kdab.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
class DateFormatProxyModel : public QIdentityProxyModel
{
  // ...
 
  void setDateFormatString(const QString &formatString)
  {
    m_formatString = formatString;
  }
 
  QVariant data(const QModelIndex &index, int role) const override
  {
    if (role != Qt::DisplayRole)
      return QIdentityProxyModel::data(index, role);
 
    const QDateTime dateTime = sourceModel()->data(SourceClass::DateRole).toDateTime();
 
    return dateTime.toString(m_formatString);
  }
 
private:
  QString m_formatString;
};