- Qt 5.5
- Qt XML
- QXmlStream Bookmarks Example
- xbelwriter.cpp Example File
- Qt 5.5.1 Reference Documentation

# xbelwriter.cpp Example File

streambookmarks/xbelwriter.cpp

    /****************************************************************************
    **
    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** 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.
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    **     notice, this list of conditions and the following disclaimer in
    **     the documentation and/or other materials provided with the
    **     distribution.
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    **     contributors may be used to endorse or promote products derived
    **     from this software without specific prior written permission.
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    ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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    #include <QtWidgets>

    #include "xbelwriter.h"

    XbelWriter::XbelWriter(QTreeWidget *treeWidget)
        : treeWidget(treeWidget)
    {
        xml.setAutoFormatting(true);
    }

    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;
    }

    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);
        }
    }