peerplays_migrated/programs/light_client/Transaction.cpp
Nathan Hourt f25a1ea360 [GUI] Lay out more transaction infrastructure
A little more backend development, and create some GUI framework for a
confirmation dialog
2015-07-24 15:55:58 -04:00

49 lines
1.6 KiB
C++

#include "Transaction.hpp"
#include "Operations.hpp"
#include <fc/reflect/typename.hpp>
struct OperationConverter {
using result_type = OperationBase*;
OperationBase* operator()(const graphene::chain::transfer_operation& op) const {
auto ret = new TransferOperation(op);
QObject::connect(ret, &QObject::destroyed, []{qDebug("Cleaned up operation");});
return ret;
}
template<typename Op>
OperationBase* operator()(const Op&) const {
elog("NYI: OperationConverter for ${type}", ("type", fc::get_typename<Op>::name()));
abort();
}
};
QQmlListProperty<OperationBase> Transaction::operations()
{
auto append = [](QQmlListProperty<OperationBase>* list, OperationBase* op) {
static_cast<Transaction*>(list->data)->appendOperation(op);
};
auto count = [](QQmlListProperty<OperationBase>* list) {
return static_cast<Transaction*>(list->data)->operationCount();
};
auto at = [](QQmlListProperty<OperationBase>* list, int index) {
return static_cast<Transaction*>(list->data)->operationAt(index);
};
auto clear = [](QQmlListProperty<OperationBase>* list) {
static_cast<Transaction*>(list->data)->clearOperations();
};
return QQmlListProperty<OperationBase>(this, this, append, count, at, clear);
}
OperationBase* Transaction::operationAt(int index) const {
return m_transaction.operations[index].visit(OperationConverter());
}
void Transaction::appendOperation(OperationBase* op)
{
op->setParent(this);
m_transaction.operations.push_back(op->genericOperation());
Q_EMIT operationsChanged();
}