~valavanisalex/ubuntu/maverick/scidavis/fix-604811

/***************************************************************************

    File                 : DateTime2StringFilter.cpp

    Project              : SciDAVis

    --------------------------------------------------------------------

    Copyright            : (C) 2007 by Tilman Benkert,

                           Knut Franke

    Email (use @ for *)  : thzs*gmx.net, knut.franke*gmx.de

    Description          : Conversion filter QDateTime -> QString.

                           

 ***************************************************************************/

 

/***************************************************************************

 *                                                                         *

 *  This program is free software; you can redistribute it and/or modify   *

 *  it under the terms of the GNU General Public License as published by   *

 *  the Free Software Foundation; either version 2 of the License, or      *

 *  (at your option) any later version.                                    *

 *                                                                         *

 *  This program is distributed in the hope that it will be useful,        *

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *

 *  GNU General Public License for more details.                           *

 *                                                                         *

 *   You should have received a copy of the GNU General Public License     *

 *   along with this program; if not, write to the Free Software           *

 *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *

 *   Boston, MA  02110-1301  USA                                           *

 *                                                                         *

 ***************************************************************************/

 

#include "DateTime2StringFilter.h"

#include "lib/XmlStreamReader.h"

#include <QXmlStreamWriter>

 

void DateTime2StringFilter::setFormat(const QString& format) 

{ 

        exec(new DateTime2StringFilterSetFormatCmd(static_cast<DateTime2StringFilter*>(this), format));

}

 

DateTime2StringFilterSetFormatCmd::DateTime2StringFilterSetFormatCmd(DateTime2StringFilter* target, const QString &new_format)

        : d_target(target), d_other_format(new_format) 

{

        if(d_target->parentAspect())

                setText(QObject::tr("%1: set date-time format to %2").arg(d_target->parentAspect()->name()).arg(new_format));

        else

                setText(QObject::tr("set date-time format to %1").arg(new_format));

}

 

void DateTime2StringFilterSetFormatCmd::redo() 

{

        QString tmp = d_target->d_format;

        d_target->d_format = d_other_format;

        d_other_format = tmp;

        emit d_target->formatChanged();

}

 

void DateTime2StringFilterSetFormatCmd::undo() 

{ 

        redo(); 

}

 

void DateTime2StringFilter::writeExtraAttributes(QXmlStreamWriter * writer) const

{

        writer->writeAttribute("format", format());

}

 

bool DateTime2StringFilter::load(XmlStreamReader * reader)

{

        QXmlStreamAttributes attribs = reader->attributes();

        QString str = attribs.value(reader->namespaceUri().toString(), "format").toString();

 

        if (AbstractSimpleFilter::load(reader))

                setFormat(str);

        else

                return false;

 

        return !reader->hasError();

}