Method mimeDataFromModelIndexList

Modules/QtWidgets/src/QmitkDataStorageTreeModel.cpp:382–425

}

QMimeData *QmitkDataStorageTreeModel::mimeDataFromModelIndexList(const QModelIndexList &indexes)
{
  QMimeData *ret = new QMimeData;

  QString treeItemAddresses("");
  QString dataNodeAddresses("");

  QByteArray baTreeItemPtrs;
  QByteArray baDataNodePtrs;

  QDataStream dsTreeItemPtrs(&baTreeItemPtrs, QIODevice::WriteOnly);
  QDataStream dsDataNodePtrs(&baDataNodePtrs, QIODevice::WriteOnly);

  for (int i = 0; i < indexes.size(); i++)
  {
    TreeItem *treeItem = static_cast<TreeItem *>(indexes.at(i).internalPointer());

    dsTreeItemPtrs << reinterpret_cast<quintptr>(treeItem);
    dsDataNodePtrs << reinterpret_cast<quintptr>(treeItem->GetDataNode().GetPointer());

    // --------------- deprecated -----------------
    unsigned long long treeItemAddress = reinterpret_cast<unsigned long long>(treeItem);
    unsigned long long dataNodeAddress = reinterpret_cast<unsigned long long>(treeItem->GetDataNode().GetPointer());
    QTextStream(&treeItemAddresses) << treeItemAddress;
    QTextStream(&dataNodeAddresses) << dataNodeAddress;

    if (i != indexes.size() - 1)
    {
      QTextStream(&treeItemAddresses) << ",";
      QTextStream(&dataNodeAddresses) << ",";
    }
    // -------------- end deprecated -------------
  }

  // ------------------ deprecated -----------------
  ret->setData("application/x-qabstractitemmodeldatalist", QByteArray(treeItemAddresses.toLatin1()));
  ret->setData("application/x-mitk-datanodes", QByteArray(dataNodeAddresses.toLatin1()));
  // --------------- end deprecated -----------------

  ret->setData(QmitkMimeTypes::DataStorageTreeItemPtrs, baTreeItemPtrs);
  ret->setData(QmitkMimeTypes::DataNodePtrs, baDataNodePtrs);

  return ret;
}

QVariant QmitkDataStorageTreeModel::data(const QModelIndex &index, int role) const
{