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<h1 class="title">xbelhandler.cpp Example File</h1>
<span class="subtitle">saxbookmarks/xbelhandler.cpp</span>
<!-- $$$saxbookmarks/xbelhandler.cpp-description -->
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<pre class="cpp">

  <span class="comment">/****************************************************************************
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  ** Copyright (C) 2016 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
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  ** This file is part of the examples of the Qt Toolkit.
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  ** $QT_BEGIN_LICENSE:BSD$
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  <span class="preprocessor">#include &lt;QtWidgets&gt;</span>

  <span class="preprocessor">#include &quot;xbelhandler.h&quot;</span>

  XbelHandler<span class="operator">::</span>XbelHandler(<span class="type"><a href="../qtwidgets/qtreewidget.html">QTreeWidget</a></span> <span class="operator">*</span>treeWidget)
      : treeWidget(treeWidget)
  {
      item <span class="operator">=</span> <span class="number">0</span>;
      metXbelTag <span class="operator">=</span> <span class="keyword">false</span>;

      <span class="type"><a href="../qtwidgets/qstyle.html">QStyle</a></span> <span class="operator">*</span>style <span class="operator">=</span> treeWidget<span class="operator">-</span><span class="operator">&gt;</span>style();

      folderIcon<span class="operator">.</span>addPixmap(style<span class="operator">-</span><span class="operator">&gt;</span>standardPixmap(<span class="type"><a href="../qtwidgets/qstyle.html">QStyle</a></span><span class="operator">::</span>SP_DirClosedIcon)<span class="operator">,</span>
                           <span class="type">QIcon</span><span class="operator">::</span>Normal<span class="operator">,</span> <span class="type">QIcon</span><span class="operator">::</span>Off);
      folderIcon<span class="operator">.</span>addPixmap(style<span class="operator">-</span><span class="operator">&gt;</span>standardPixmap(<span class="type"><a href="../qtwidgets/qstyle.html">QStyle</a></span><span class="operator">::</span>SP_DirOpenIcon)<span class="operator">,</span>
                           <span class="type">QIcon</span><span class="operator">::</span>Normal<span class="operator">,</span> <span class="type">QIcon</span><span class="operator">::</span>On);
      bookmarkIcon<span class="operator">.</span>addPixmap(style<span class="operator">-</span><span class="operator">&gt;</span>standardPixmap(<span class="type"><a href="../qtwidgets/qstyle.html">QStyle</a></span><span class="operator">::</span>SP_FileIcon));
  }

  bool XbelHandler<span class="operator">::</span>startElement(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&amp;</span> <span class="comment">/* namespaceURI */</span><span class="operator">,</span>
                                 <span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&amp;</span> <span class="comment">/* localName */</span><span class="operator">,</span>
                                 <span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&amp;</span>qName<span class="operator">,</span>
                                 <span class="keyword">const</span> <span class="type"><a href="qxmlattributes.html">QXmlAttributes</a></span> <span class="operator">&amp;</span>attributes)
  {
      <span class="keyword">if</span> (<span class="operator">!</span>metXbelTag <span class="operator">&amp;</span><span class="operator">&amp;</span> qName <span class="operator">!</span><span class="operator">=</span> <span class="string">&quot;xbel&quot;</span>) {
          errorStr <span class="operator">=</span> <span class="type"><a href="../qtcore/qobject.html">QObject</a></span><span class="operator">::</span>tr(<span class="string">&quot;The file is not an XBEL file.&quot;</span>);
          <span class="keyword">return</span> <span class="keyword">false</span>;
      }

      <span class="keyword">if</span> (qName <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;xbel&quot;</span>) {
          <span class="type"><a href="../qtcore/qstring.html">QString</a></span> version <span class="operator">=</span> attributes<span class="operator">.</span>value(<span class="string">&quot;version&quot;</span>);
          <span class="keyword">if</span> (<span class="operator">!</span>version<span class="operator">.</span>isEmpty() <span class="operator">&amp;</span><span class="operator">&amp;</span> version <span class="operator">!</span><span class="operator">=</span> <span class="string">&quot;1.0&quot;</span>) {
              errorStr <span class="operator">=</span> <span class="type"><a href="../qtcore/qobject.html">QObject</a></span><span class="operator">::</span>tr(<span class="string">&quot;The file is not an XBEL version 1.0 file.&quot;</span>);
              <span class="keyword">return</span> <span class="keyword">false</span>;
          }
          metXbelTag <span class="operator">=</span> <span class="keyword">true</span>;
      } <span class="keyword">else</span> <span class="keyword">if</span> (qName <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;folder&quot;</span>) {
          item <span class="operator">=</span> createChildItem(qName);
          item<span class="operator">-</span><span class="operator">&gt;</span>setFlags(item<span class="operator">-</span><span class="operator">&gt;</span>flags() <span class="operator">|</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>ItemIsEditable);
          item<span class="operator">-</span><span class="operator">&gt;</span>setIcon(<span class="number">0</span><span class="operator">,</span> folderIcon);
          item<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="number">0</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qobject.html">QObject</a></span><span class="operator">::</span>tr(<span class="string">&quot;Folder&quot;</span>));
          bool folded <span class="operator">=</span> (attributes<span class="operator">.</span>value(<span class="string">&quot;folded&quot;</span>) <span class="operator">!</span><span class="operator">=</span> <span class="string">&quot;no&quot;</span>);
          treeWidget<span class="operator">-</span><span class="operator">&gt;</span>setItemExpanded(item<span class="operator">,</span> <span class="operator">!</span>folded);
      } <span class="keyword">else</span> <span class="keyword">if</span> (qName <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;bookmark&quot;</span>) {
          item <span class="operator">=</span> createChildItem(qName);
          item<span class="operator">-</span><span class="operator">&gt;</span>setFlags(item<span class="operator">-</span><span class="operator">&gt;</span>flags() <span class="operator">|</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>ItemIsEditable);
          item<span class="operator">-</span><span class="operator">&gt;</span>setIcon(<span class="number">0</span><span class="operator">,</span> bookmarkIcon);
          item<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="number">0</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qobject.html">QObject</a></span><span class="operator">::</span>tr(<span class="string">&quot;Unknown title&quot;</span>));
          item<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="number">1</span><span class="operator">,</span> attributes<span class="operator">.</span>value(<span class="string">&quot;href&quot;</span>));
      } <span class="keyword">else</span> <span class="keyword">if</span> (qName <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;separator&quot;</span>) {
          item <span class="operator">=</span> createChildItem(qName);
          item<span class="operator">-</span><span class="operator">&gt;</span>setFlags(item<span class="operator">-</span><span class="operator">&gt;</span>flags() <span class="operator">&amp;</span> <span class="operator">~</span><span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>ItemIsSelectable);
          item<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="number">0</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span>(<span class="number">30</span><span class="operator">,</span> <span class="number">0xB7</span>));
      }

      currentText<span class="operator">.</span>clear();
      <span class="keyword">return</span> <span class="keyword">true</span>;
  }

  bool XbelHandler<span class="operator">::</span>endElement(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&amp;</span> <span class="comment">/* namespaceURI */</span><span class="operator">,</span>
                               <span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&amp;</span> <span class="comment">/* localName */</span><span class="operator">,</span>
                               <span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&amp;</span>qName)
  {
      <span class="keyword">if</span> (qName <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;title&quot;</span>) {
          <span class="keyword">if</span> (item)
              item<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="number">0</span><span class="operator">,</span> currentText);
      } <span class="keyword">else</span> <span class="keyword">if</span> (qName <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;folder&quot;</span> <span class="operator">|</span><span class="operator">|</span> qName <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;bookmark&quot;</span>
                 <span class="operator">|</span><span class="operator">|</span> qName <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;separator&quot;</span>) {
          item <span class="operator">=</span> item<span class="operator">-</span><span class="operator">&gt;</span>parent();
      }
      <span class="keyword">return</span> <span class="keyword">true</span>;
  }

  bool XbelHandler<span class="operator">::</span>characters(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&amp;</span>str)
  {
      currentText <span class="operator">+</span><span class="operator">=</span> str;
      <span class="keyword">return</span> <span class="keyword">true</span>;
  }

  bool XbelHandler<span class="operator">::</span>fatalError(<span class="keyword">const</span> <span class="type"><a href="qxmlparseexception.html">QXmlParseException</a></span> <span class="operator">&amp;</span>exception)
  {
      <span class="type"><a href="../qtwidgets/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(treeWidget<span class="operator">-</span><span class="operator">&gt;</span>window()<span class="operator">,</span> <span class="type"><a href="../qtcore/qobject.html">QObject</a></span><span class="operator">::</span>tr(<span class="string">&quot;SAX Bookmarks&quot;</span>)<span class="operator">,</span>
                               <span class="type"><a href="../qtcore/qobject.html">QObject</a></span><span class="operator">::</span>tr(<span class="string">&quot;Parse error at line %1, column %2:\n&quot;</span>
                                           <span class="string">&quot;%3&quot;</span>)
                               <span class="operator">.</span>arg(exception<span class="operator">.</span>lineNumber())
                               <span class="operator">.</span>arg(exception<span class="operator">.</span>columnNumber())
                               <span class="operator">.</span>arg(exception<span class="operator">.</span>message()));
      <span class="keyword">return</span> <span class="keyword">false</span>;
  }

  <span class="type"><a href="../qtcore/qstring.html">QString</a></span> XbelHandler<span class="operator">::</span>errorString() <span class="keyword">const</span>
  {
      <span class="keyword">return</span> errorStr;
  }

  <span class="type"><a href="../qtwidgets/qtreewidgetitem.html">QTreeWidgetItem</a></span> <span class="operator">*</span>XbelHandler<span class="operator">::</span>createChildItem(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&amp;</span>tagName)
  {
      <span class="type"><a href="../qtwidgets/qtreewidgetitem.html">QTreeWidgetItem</a></span> <span class="operator">*</span>childItem;
      <span class="keyword">if</span> (item) {
          childItem <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qtreewidgetitem.html">QTreeWidgetItem</a></span>(item);
      } <span class="keyword">else</span> {
          childItem <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qtreewidgetitem.html">QTreeWidgetItem</a></span>(treeWidget);
      }
      childItem<span class="operator">-</span><span class="operator">&gt;</span>setData(<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> tagName);
      <span class="keyword">return</span> childItem;
  }

</pre>
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<!-- @@@saxbookmarks/xbelhandler.cpp -->
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