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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain
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** additional rights. These rights are described in the Nokia Qt LGPL
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** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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** package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://www.qtsoftware.com/contact.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtGui>
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#include "mysortfilterproxymodel.h"
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//! [0]
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MySortFilterProxyModel::MySortFilterProxyModel(QObject *parent)
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: QSortFilterProxyModel(parent)
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{
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}
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//! [0]
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//! [1]
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void MySortFilterProxyModel::setFilterMinimumDate(const QDate &date)
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{
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minDate = date;
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invalidateFilter();
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}
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//! [1]
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//! [2]
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void MySortFilterProxyModel::setFilterMaximumDate(const QDate &date)
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{
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maxDate = date;
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invalidateFilter();
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}
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//! [2]
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//! [3]
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bool MySortFilterProxyModel::filterAcceptsRow(int sourceRow,
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const QModelIndex &sourceParent) const
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{
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QModelIndex index0 = sourceModel()->index(sourceRow, 0, sourceParent);
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QModelIndex index1 = sourceModel()->index(sourceRow, 1, sourceParent);
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QModelIndex index2 = sourceModel()->index(sourceRow, 2, sourceParent);
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return (sourceModel()->data(index0).toString().contains(filterRegExp())
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|| sourceModel()->data(index1).toString().contains(filterRegExp()))
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&& dateInRange(sourceModel()->data(index2).toDate());
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}
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//! [3]
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//! [4] //! [5]
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bool MySortFilterProxyModel::lessThan(const QModelIndex &left,
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const QModelIndex &right) const
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{
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QVariant leftData = sourceModel()->data(left);
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QVariant rightData = sourceModel()->data(right);
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//! [4]
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//! [6]
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if (leftData.type() == QVariant::DateTime) {
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return leftData.toDateTime() < rightData.toDateTime();
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} else {
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QRegExp *emailPattern = new QRegExp("([\\w\\.]*@[\\w\\.]*)");
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QString leftString = leftData.toString();
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if(left.column() == 1 && emailPattern->indexIn(leftString) != -1)
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leftString = emailPattern->cap(1);
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QString rightString = rightData.toString();
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if(right.column() == 1 && emailPattern->indexIn(rightString) != -1)
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rightString = emailPattern->cap(1);
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return QString::localeAwareCompare(leftString, rightString) < 0;
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}
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}
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//! [5] //! [6]
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//! [7]
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bool MySortFilterProxyModel::dateInRange(const QDate &date) const
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{
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return (!minDate.isValid() || date > minDate)
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&& (!maxDate.isValid() || date < maxDate);
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}
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//! [7]
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