<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>xbelwriter.cpp Example File | Qt XML 5.12.2</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.12</td><td ><a href="qtxml-index.html">Qt XML</a></td><td ><a href="qtxml-streambookmarks-example.html">QXmlStream Bookmarks Example</a></td><td >xbelwriter.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtxml-index.html">Qt 5.12.2 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">xbelwriter.cpp Example File</h1> <span class="subtitle">streambookmarks/xbelwriter.cpp</span> <!-- $$$streambookmarks/xbelwriter.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, 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 The Qt Company Ltd 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." ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="preprocessor">#include <QtWidgets></span> <span class="preprocessor">#include "xbelwriter.h"</span> <span class="preprocessor">#include "xbelreader.h"</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> yesValue() { <span class="keyword">return</span> <span class="type"><a href="../qtcore/qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">"yes"</span>); } <span class="keyword">static</span> <span class="keyword">inline</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> noValue() { <span class="keyword">return</span> <span class="type"><a href="../qtcore/qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">"no"</span>); } <span class="keyword">static</span> <span class="keyword">inline</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> titleElement() { <span class="keyword">return</span> <span class="type"><a href="../qtcore/qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">"title"</span>); } XbelWriter<span class="operator">::</span>XbelWriter(<span class="keyword">const</span> <span class="type"><a href="../qtwidgets/qtreewidget.html">QTreeWidget</a></span> <span class="operator">*</span>treeWidget) : treeWidget(treeWidget) { xml<span class="operator">.</span>setAutoFormatting(<span class="keyword">true</span>); } bool XbelWriter<span class="operator">::</span>writeFile(<span class="type"><a href="../qtcore/qiodevice.html">QIODevice</a></span> <span class="operator">*</span>device) { xml<span class="operator">.</span>setDevice(device); xml<span class="operator">.</span>writeStartDocument(); xml<span class="operator">.</span>writeDTD(<span class="type"><a href="../qtcore/qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">"<!DOCTYPE xbel>"</span>)); xml<span class="operator">.</span>writeStartElement(<span class="type"><a href="../qtcore/qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">"xbel"</span>)); xml<span class="operator">.</span>writeAttribute(XbelReader<span class="operator">::</span>versionAttribute()<span class="operator">,</span> <span class="type"><a href="../qtcore/qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">"1.0"</span>)); <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> treeWidget<span class="operator">-</span><span class="operator">></span>topLevelItemCount(); <span class="operator">+</span><span class="operator">+</span>i) writeItem(treeWidget<span class="operator">-</span><span class="operator">></span>topLevelItem(i)); xml<span class="operator">.</span>writeEndDocument(); <span class="keyword">return</span> <span class="keyword">true</span>; } <span class="type">void</span> XbelWriter<span class="operator">::</span>writeItem(<span class="keyword">const</span> <span class="type"><a href="../qtwidgets/qtreewidgetitem.html">QTreeWidgetItem</a></span> <span class="operator">*</span>item) { <span class="type"><a href="../qtcore/qstring.html">QString</a></span> tagName <span class="operator">=</span> item<span class="operator">-</span><span class="operator">></span>data(<span class="number">0</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>UserRole)<span class="operator">.</span>toString(); <span class="keyword">if</span> (tagName <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">"folder"</span>)) { bool folded <span class="operator">=</span> <span class="operator">!</span>treeWidget<span class="operator">-</span><span class="operator">></span>isItemExpanded(item); xml<span class="operator">.</span>writeStartElement(tagName); xml<span class="operator">.</span>writeAttribute(XbelReader<span class="operator">::</span>foldedAttribute()<span class="operator">,</span> folded <span class="operator">?</span> yesValue() : noValue()); xml<span class="operator">.</span>writeTextElement(titleElement()<span class="operator">,</span> item<span class="operator">-</span><span class="operator">></span>text(<span class="number">0</span>)); <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> item<span class="operator">-</span><span class="operator">></span>childCount(); <span class="operator">+</span><span class="operator">+</span>i) writeItem(item<span class="operator">-</span><span class="operator">></span>child(i)); xml<span class="operator">.</span>writeEndElement(); } <span class="keyword">else</span> <span class="keyword">if</span> (tagName <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">"bookmark"</span>)) { xml<span class="operator">.</span>writeStartElement(tagName); <span class="keyword">if</span> (<span class="operator">!</span>item<span class="operator">-</span><span class="operator">></span>text(<span class="number">1</span>)<span class="operator">.</span>isEmpty()) xml<span class="operator">.</span>writeAttribute(XbelReader<span class="operator">::</span>hrefAttribute()<span class="operator">,</span> item<span class="operator">-</span><span class="operator">></span>text(<span class="number">1</span>)); xml<span class="operator">.</span>writeTextElement(titleElement()<span class="operator">,</span> item<span class="operator">-</span><span class="operator">></span>text(<span class="number">0</span>)); xml<span class="operator">.</span>writeEndElement(); } <span class="keyword">else</span> <span class="keyword">if</span> (tagName <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">"separator"</span>)) { xml<span class="operator">.</span>writeEmptyElement(tagName); } } </pre> </div> <!-- @@@streambookmarks/xbelwriter.cpp --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br/> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br/> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>