45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
// Copyright (c) 2011-2015 The Cryptonote developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <QDateTime>
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#include "SortedTransactionsModel.h"
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#include "TransactionsModel.h"
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namespace WalletGui {
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SortedTransactionsModel& SortedTransactionsModel::instance() {
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static SortedTransactionsModel inst;
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return inst;
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}
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SortedTransactionsModel::SortedTransactionsModel() : QSortFilterProxyModel() {
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setSourceModel(&TransactionsModel::instance());
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setDynamicSortFilter(true);
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sort(TransactionsModel::COLUMN_DATE, Qt::DescendingOrder);
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}
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SortedTransactionsModel::~SortedTransactionsModel() {
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}
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bool SortedTransactionsModel::lessThan(const QModelIndex& _left, const QModelIndex& _right) const {
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QDateTime leftDate = _left.data(TransactionsModel::ROLE_DATE).toDateTime();
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QDateTime rightDate = _right.data(TransactionsModel::ROLE_DATE).toDateTime();
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if((rightDate.isNull() || !rightDate.isValid()) && (leftDate.isNull() || !leftDate.isValid())) {
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return _left.row() < _right.row();
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}
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if(leftDate.isNull() || !leftDate.isValid()) {
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return false;
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}
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if(rightDate.isNull() || !rightDate.isValid()) {
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return true;
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}
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return leftDate < rightDate;
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}
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}
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