66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
#include "logging.h"
|
|
#include "multisortfilterproxy.h"
|
|
|
|
#include <QDate>
|
|
#include <QDateTime>
|
|
#include <QTime>
|
|
|
|
MultiSortFilterProxy::MultiSortFilterProxy(QObject* parent)
|
|
: QSortFilterProxyModel(parent)
|
|
{
|
|
}
|
|
|
|
void MultiSortFilterProxy::AddSortSpec(int role, Qt::SortOrder order) {
|
|
sorting_ << SortSpec(role, order);
|
|
}
|
|
|
|
bool MultiSortFilterProxy::lessThan(const QModelIndex& left,
|
|
const QModelIndex& right) const {
|
|
foreach (const SortSpec& spec, sorting_) {
|
|
const int ret = compare(left.data(spec.first), right.data(spec.first));
|
|
|
|
if (ret < 0) {
|
|
return spec.second == Qt::AscendingOrder;
|
|
} else if (ret > 0) {
|
|
return spec.second != Qt::AscendingOrder;
|
|
}
|
|
}
|
|
|
|
return left.row() < right.row();
|
|
}
|
|
|
|
int MultiSortFilterProxy::compare(const QVariant& left, const QVariant& right) const {
|
|
// Copied from the QSortFilterProxyModel::lessThan implementation, but returns
|
|
// -1, 0 or 1 instead of true or false.
|
|
|
|
#define docompare(left, right) \
|
|
if (left < right) return -1; \
|
|
if (left > right) return 1; \
|
|
return 0;
|
|
|
|
switch (left.userType()) {
|
|
case QVariant::Invalid:
|
|
return (right.type() != QVariant::Invalid) ? -1 : 0;
|
|
case QVariant::Int: docompare(left.toInt(), right.toInt());
|
|
case QVariant::UInt: docompare(left.toUInt(), right.toUInt());
|
|
case QVariant::LongLong: docompare(left.toLongLong(), right.toLongLong());
|
|
case QVariant::ULongLong: docompare(left.toULongLong(), right.toULongLong());
|
|
case QMetaType::Float: docompare(left.toFloat(), right.toFloat());
|
|
case QVariant::Double: docompare(left.toDouble(), right.toDouble());
|
|
case QVariant::Char: docompare(left.toChar(), right.toChar());
|
|
case QVariant::Date: docompare(left.toDate(), right.toDate());
|
|
case QVariant::Time: docompare(left.toTime(), right.toTime());
|
|
case QVariant::DateTime: docompare(left.toDateTime(), right.toDateTime());
|
|
case QVariant::String:
|
|
default:
|
|
if (isSortLocaleAware())
|
|
return left.toString().localeAwareCompare(right.toString());
|
|
else
|
|
return left.toString().compare(right.toString(), sortCaseSensitivity());
|
|
}
|
|
|
|
#undef docompare
|
|
|
|
return 0;
|
|
}
|