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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "mysortfilterproxymodel.h"
#include <QtWidgets>
//! [0]
MySortFilterProxyModel::MySortFilterProxyModel(QObject *parent)
: QSortFilterProxyModel(parent)
{
}
//! [0]
//! [1]
void MySortFilterProxyModel::setFilterMinimumDate(QDate date)
{
minDate = date;
invalidateFilter();
}
//! [1]
//! [2]
void MySortFilterProxyModel::setFilterMaximumDate(QDate date)
{
maxDate = date;
invalidateFilter();
}
//! [2]
//! [3]
bool MySortFilterProxyModel::filterAcceptsRow(int sourceRow,
const QModelIndex &sourceParent) const
{
QModelIndex index0 = sourceModel()->index(sourceRow, 0, sourceParent);
QModelIndex index1 = sourceModel()->index(sourceRow, 1, sourceParent);
QModelIndex index2 = sourceModel()->index(sourceRow, 2, sourceParent);
return (sourceModel()->data(index0).toString().contains(filterRegularExpression())
|| sourceModel()->data(index1).toString().contains(filterRegularExpression()))
&& dateInRange(sourceModel()->data(index2).toDate());
}
//! [3]
//! [4] //! [5]
bool MySortFilterProxyModel::lessThan(const QModelIndex &left,
const QModelIndex &right) const
{
QVariant leftData = sourceModel()->data(left);
QVariant rightData = sourceModel()->data(right);
//! [4]
//! [6]
if (leftData.userType() == QMetaType::QDateTime) {
return leftData.toDateTime() < rightData.toDateTime();
} else {
static const QRegularExpression emailPattern("[\\w\\.]*@[\\w\\.]*");
QString leftString = leftData.toString();
if (left.column() == 1) {
const QRegularExpressionMatch match = emailPattern.match(leftString);
if (match.hasMatch())
leftString = match.captured(0);
}
QString rightString = rightData.toString();
if (right.column() == 1) {
const QRegularExpressionMatch match = emailPattern.match(rightString);
if (match.hasMatch())
rightString = match.captured(0);
}
return QString::localeAwareCompare(leftString, rightString) < 0;
}
}
//! [5] //! [6]
//! [7]
bool MySortFilterProxyModel::dateInRange(QDate date) const
{
return (!minDate.isValid() || date > minDate)
&& (!maxDate.isValid() || date < maxDate);
}
//! [7]
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