-bool NetworkModel::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) {
- Q_UNUSED(action)
- Q_UNUSED(row)
- Q_UNUSED(column)
-
- if(!mimeContainsBufferList(data))
- return false;
-
- // target must be a query
- BufferInfo::Type targetType = (BufferInfo::Type)parent.data(NetworkModel::BufferTypeRole).toInt();
- if(targetType != BufferInfo::QueryBuffer)
- return false;
-
- QList< QPair<NetworkId, BufferId> > bufferList = mimeDataToBufferList(data);
-
- // exactly one buffer has to be dropped
- if(bufferList.count() != 1)
- return false;
-
- NetworkId netId = bufferList.first().first;
- BufferId bufferId = bufferList.first().second;
-
- // no self merges (would kill us)
- if(bufferId == parent.data(BufferIdRole).value<BufferId>())
- return false;
-
- NetworkItem *netItem = findNetworkItem(netId);
- Q_ASSERT(netItem);
-
- BufferItem *bufferItem = netItem->findBufferItem(bufferId);
- Q_ASSERT(bufferItem);
-
- // source must be a query too
- if(bufferItem->bufferType() != BufferInfo::QueryBuffer)
- return false;
-
- // TODO: warn user about buffermerge!
- qDebug() << "merging" << bufferId << parent.data(BufferIdRole).value<BufferId>();
- removeRow(parent.row(), parent.parent());
-
- return true;
-}
-