Logo Search packages:      
Sourcecode: qt4-x11 version File versions  Download package

mysortfilterproxymodel.cpp

/****************************************************************************
**
** Copyright (C) 2006-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file.  Alternatively you may (at
** your option) use any later version of the GNU General Public
** License if such license has been publicly approved by Trolltech ASA
** (or its successors, if any) and the KDE Free Qt Foundation. In
** addition, as a special exception, Trolltech gives you certain
** additional rights. These rights are described in the Trolltech GPL
** Exception version 1.1, which can be found at
** http://www.trolltech.com/products/qt/gplexception/ and in the file
** GPL_EXCEPTION.txt in this package.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/. If
** you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** In addition, as a special exception, Trolltech, as the sole
** copyright holder for Qt Designer, grants users of the Qt/Eclipse
** Integration plug-in the right for the Qt/Eclipse Integration to
** link to functionality provided by Qt Designer and its related
** libraries.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly
** granted herein.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#include <QtGui>

#include "mysortfilterproxymodel.h"

MySortFilterProxyModel::MySortFilterProxyModel(QObject *parent)
    : QSortFilterProxyModel(parent)
{
}

void MySortFilterProxyModel::setFilterMinimumDate(const QDate &date)
{
    minDate = date;
    invalidateFilter();
}

void MySortFilterProxyModel::setFilterMaximumDate(const QDate &date)
{
    maxDate = date;
    invalidateFilter();
}

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(filterRegExp())
            || sourceModel()->data(index1).toString().contains(filterRegExp()))
           && dateInRange(sourceModel()->data(index2).toDate());
}

bool MySortFilterProxyModel::lessThan(const QModelIndex &left,
                                      const QModelIndex &right) const
{
    QVariant leftData = sourceModel()->data(left);
    QVariant rightData = sourceModel()->data(right);

    if (leftData.type() == QVariant::DateTime) {
        return leftData.toDateTime() < rightData.toDateTime();
    } else {
        QRegExp *emailPattern = new QRegExp("([\\w\\.]*@[\\w\\.]*)");

        QString leftString = leftData.toString();
        if(left.column() == 1 && emailPattern->indexIn(leftString) != -1)
            leftString = emailPattern->cap(1);

        QString rightString = rightData.toString();
        if(right.column() == 1 && emailPattern->indexIn(rightString) != -1)
            rightString = emailPattern->cap(1);

        return QString::localeAwareCompare(leftString, rightString) < 0;
    }
}

bool MySortFilterProxyModel::dateInRange(const QDate &date) const
{
    return (!minDate.isValid() || date > minDate)
           && (!maxDate.isValid() || date < maxDate);
}

Generated by  Doxygen 1.6.0   Back to index