void CStudentManage::slotDelStudentClicked()
{
//开始事务
m_Model->database().transaction();
//获取被选中的model
QItemSelectionModel *selectModel = m_View->selectionModel();
//通过被选中的model, 获取被选中的格子
QModelIndexList selectList = selectModel->selectedIndexes();
QList<int> delRow;
//遍历格子，获得行
for (int i = 0; i < selectList.size(); ++i)
{
delRow << selectList.at(i).row();
}
//去除重复的行
while (delRow.size() > 0)
{
int row = delRow.at(0);
//去重
delRow.removeAll(row);
//删除行
m_Model->removeRow(row);
}
//提交
QString msg = "删除成功!";
SubmitData(msg);
}
void ShuffleRound::BroadcastPublicKeys()
{
_state = KeySharing;
int idx = _group.GetIndex(_local_id);
int kidx = _group.GetSize() - 1 - idx;
_public_inner_keys[kidx] = _inner_key->GetPublicKey();
_public_outer_keys[kidx] = _outer_key->GetPublicKey();
QByteArray inner_key = _public_inner_keys[kidx]->GetByteArray();
QByteArray outer_key = _public_outer_keys[kidx]->GetByteArray();
QByteArray msg;
QDataStream stream(&msg, QIODevice::WriteOnly);
stream << PublicKeys << GetId().GetByteArray() << inner_key << outer_key;
Broadcast(msg);
if(++_keys_received == _group.GetSize()) {
SubmitData();
}
}
void ShuffleRound::HandlePublicKeys(QDataStream &stream, const Id &id)
{
qDebug() << _group.GetIndex(_local_id) << _local_id.ToString() <<
": received public keys from " << _group.GetIndex(id) << id.ToString();
if(_state != Offline && _state != KeySharing) {
qWarning() << "Received a key message while in state " <<
StateToString(_state) << " from " << id.ToString();
return;
}
int idx = _group.GetIndex(id);
int kidx = _group.GetSize() - 1 - idx;
if(_public_inner_keys[kidx] != 0 || _public_outer_keys[kidx] != 0) {
qWarning() << _group.GetIndex(_local_id) << _local_id.ToString() <<
": received duplicate public keys from " << _group.GetIndex(id)
<< id.ToString();
return;
}
QByteArray inner_key, outer_key;
stream >> inner_key >> outer_key;
_public_inner_keys[kidx] = new CppPublicKey(inner_key);
_public_outer_keys[kidx] = new CppPublicKey(outer_key);
if(!_public_inner_keys[kidx]->IsValid()) {
qWarning() << _group.GetIndex(_local_id) << _local_id.ToString() <<
": invalid inner key from " << idx << id.ToString();
} else if(!_public_outer_keys[kidx]->IsValid()) {
qWarning() << _group.GetIndex(_local_id) << _local_id.ToString() <<
": invalid outer key from " << idx << id.ToString();
}
if(++_keys_received == _group.GetSize()) {
SubmitData();
}
}
void CStudentManage::slotChgStudentClicked()
{
QString msg = "修改保存成功!";
SubmitData(msg);
}
