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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
**     the names of its contributors may be used to endorse or promote
**     products derived from this software without specific prior written
**     permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QtGui>

#include "xbelwriter.h"

//! [0]
XbelWriter::XbelWriter(QTreeWidget *treeWidget)
    : treeWidget(treeWidget)
{
    xml.setAutoFormatting(true);
}
//! [0]

//! [1]
bool XbelWriter::writeFile(QIODevice *device)
{
    xml.setDevice(device);

    xml.writeStartDocument();
    xml.writeDTD("<!DOCTYPE xbel>");
    xml.writeStartElement("xbel");
    xml.writeAttribute("version", "1.0");
    for (int i = 0; i < treeWidget->topLevelItemCount(); ++i)
        writeItem(treeWidget->topLevelItem(i));

    xml.writeEndDocument();
    return true;
}
//! [1]

//! [2]
void XbelWriter::writeItem(QTreeWidgetItem *item)
{
    QString tagName = item->data(0, Qt::UserRole).toString();
    if (tagName == "folder") {
        bool folded = !treeWidget->isItemExpanded(item);
        xml.writeStartElement(tagName);
        xml.writeAttribute("folded", folded ? "yes" : "no");
        xml.writeTextElement("title", item->text(0));
        for (int i = 0; i < item->childCount(); ++i)
            writeItem(item->child(i));
        xml.writeEndElement();
    } else if (tagName == "bookmark") {
        xml.writeStartElement(tagName);
        if (!item->text(1).isEmpty())
            xml.writeAttribute("href", item->text(1));
        xml.writeTextElement("title", item->text(0));
        xml.writeEndElement();
    } else if (tagName == "separator") {
        xml.writeEmptyElement(tagName);
    }
}
//! [2]