examples/xml/streambookmarks/xbelwriter.cpp
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
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     7 ** This file is part of the examples of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
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    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
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    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
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    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include <QtGui>
       
    43 
       
    44 #include "xbelwriter.h"
       
    45 
       
    46 //! [0]
       
    47 XbelWriter::XbelWriter(QTreeWidget *treeWidget)
       
    48     : treeWidget(treeWidget)
       
    49 {
       
    50     xml.setAutoFormatting(true);
       
    51 }
       
    52 //! [0]
       
    53 
       
    54 //! [1]
       
    55 bool XbelWriter::writeFile(QIODevice *device)
       
    56 {
       
    57     xml.setDevice(device);
       
    58 
       
    59     xml.writeStartDocument();
       
    60     xml.writeDTD("<!DOCTYPE xbel>");
       
    61     xml.writeStartElement("xbel");
       
    62     xml.writeAttribute("version", "1.0");
       
    63     for (int i = 0; i < treeWidget->topLevelItemCount(); ++i)
       
    64         writeItem(treeWidget->topLevelItem(i));
       
    65 
       
    66     xml.writeEndDocument();
       
    67     return true;
       
    68 }
       
    69 //! [1]
       
    70 
       
    71 //! [2]
       
    72 void XbelWriter::writeItem(QTreeWidgetItem *item)
       
    73 {
       
    74     QString tagName = item->data(0, Qt::UserRole).toString();
       
    75     if (tagName == "folder") {
       
    76         bool folded = !treeWidget->isItemExpanded(item);
       
    77         xml.writeStartElement(tagName);
       
    78         xml.writeAttribute("folded", folded ? "yes" : "no");
       
    79         xml.writeTextElement("title", item->text(0));
       
    80         for (int i = 0; i < item->childCount(); ++i)
       
    81             writeItem(item->child(i));
       
    82         xml.writeEndElement();
       
    83     } else if (tagName == "bookmark") {
       
    84         xml.writeStartElement(tagName);
       
    85         if (!item->text(1).isEmpty())
       
    86             xml.writeAttribute("href", item->text(1));
       
    87         xml.writeTextElement("title", item->text(0));
       
    88         xml.writeEndElement();
       
    89     } else if (tagName == "separator") {
       
    90         xml.writeEmptyElement(tagName);
       
    91     }
       
    92 }
       
    93 //! [2]