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Breadcrumbs go here --> </ul> </div> <div class="toolbuttons toolblock"> <ul> <li id="smallA" class="t_button">A</li> <li id="medA" class="t_button active">A</li> <li id="bigA" class="t_button">A</li> <li id="print" class="t_button"><a href="javascript:this.print();"> <span>Print</span></a></li> </ul> </div> </div> <div class="content mainContent"> <h1 class="title">xbeltree.cpp Example File</h1> <span class="small-subtitle">xml/dombookmarks/xbeltree.cpp</span> <!-- $$$xml/dombookmarks/xbeltree.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** 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 Digia Plc 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." ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="preprocessor">#include <QtGui></span> <span class="preprocessor">#include "xbeltree.h"</span> XbelTree<span class="operator">::</span>XbelTree(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qtreewidget.html">QTreeWidget</a></span>(parent) { <span class="type"><a href="qstringlist.html">QStringList</a></span> labels; labels <span class="operator"><</span><span class="operator"><</span> tr(<span class="string">"Title"</span>) <span class="operator"><</span><span class="operator"><</span> tr(<span class="string">"Location"</span>); header()<span class="operator">-</span><span class="operator">></span>setResizeMode(<span class="type"><a href="qheaderview.html">QHeaderView</a></span><span class="operator">::</span>Stretch); setHeaderLabels(labels); folderIcon<span class="operator">.</span>addPixmap(style()<span class="operator">-</span><span class="operator">></span>standardPixmap(<span class="type"><a href="qstyle.html">QStyle</a></span><span class="operator">::</span>SP_DirClosedIcon)<span class="operator">,</span> <span class="type"><a href="qicon.html">QIcon</a></span><span class="operator">::</span>Normal<span class="operator">,</span> <span class="type"><a href="qicon.html">QIcon</a></span><span class="operator">::</span>Off); folderIcon<span class="operator">.</span>addPixmap(style()<span class="operator">-</span><span class="operator">></span>standardPixmap(<span class="type"><a href="qstyle.html">QStyle</a></span><span class="operator">::</span>SP_DirOpenIcon)<span class="operator">,</span> <span class="type"><a href="qicon.html">QIcon</a></span><span class="operator">::</span>Normal<span class="operator">,</span> <span class="type"><a href="qicon.html">QIcon</a></span><span class="operator">::</span>On); bookmarkIcon<span class="operator">.</span>addPixmap(style()<span class="operator">-</span><span class="operator">></span>standardPixmap(<span class="type"><a href="qstyle.html">QStyle</a></span><span class="operator">::</span>SP_FileIcon)); } <span class="type">bool</span> XbelTree<span class="operator">::</span>read(<span class="type"><a href="qiodevice.html">QIODevice</a></span> <span class="operator">*</span>device) { <span class="type"><a href="qstring.html">QString</a></span> errorStr; <span class="type">int</span> errorLine; <span class="type">int</span> errorColumn; <span class="keyword">if</span> (<span class="operator">!</span>domDocument<span class="operator">.</span>setContent(device<span class="operator">,</span> <span class="keyword">true</span><span class="operator">,</span> <span class="operator">&</span>errorStr<span class="operator">,</span> <span class="operator">&</span>errorLine<span class="operator">,</span> <span class="operator">&</span>errorColumn)) { <span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(window()<span class="operator">,</span> tr(<span class="string">"DOM Bookmarks"</span>)<span class="operator">,</span> tr(<span class="string">"Parse error at line %1, column %2:\n%3"</span>) <span class="operator">.</span>arg(errorLine) <span class="operator">.</span>arg(errorColumn) <span class="operator">.</span>arg(errorStr)); <span class="keyword">return</span> <span class="keyword">false</span>; } <span class="type"><a href="qdomelement.html">QDomElement</a></span> root <span class="operator">=</span> domDocument<span class="operator">.</span>documentElement(); <span class="keyword">if</span> (root<span class="operator">.</span>tagName() <span class="operator">!</span><span class="operator">=</span> <span class="string">"xbel"</span>) { <span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(window()<span class="operator">,</span> tr(<span class="string">"DOM Bookmarks"</span>)<span class="operator">,</span> tr(<span class="string">"The file is not an XBEL file."</span>)); <span class="keyword">return</span> <span class="keyword">false</span>; } <span class="keyword">else</span> <span class="keyword">if</span> (root<span class="operator">.</span>hasAttribute(<span class="string">"version"</span>) <span class="operator">&</span><span class="operator">&</span> root<span class="operator">.</span>attribute(<span class="string">"version"</span>) <span class="operator">!</span><span class="operator">=</span> <span class="string">"1.0"</span>) { <span class="type"><a href="qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(window()<span class="operator">,</span> tr(<span class="string">"DOM Bookmarks"</span>)<span class="operator">,</span> tr(<span class="string">"The file is not an XBEL version 1.0 "</span> <span class="string">"file."</span>)); <span class="keyword">return</span> <span class="keyword">false</span>; } clear(); disconnect(<span class="keyword">this</span><span class="operator">,</span> SIGNAL(itemChanged(<span class="type"><a href="qtreewidgetitem.html">QTreeWidgetItem</a></span><span class="operator">*</span><span class="operator">,</span><span class="type">int</span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(updateDomElement(<span class="type"><a href="qtreewidgetitem.html">QTreeWidgetItem</a></span><span class="operator">*</span><span class="operator">,</span><span class="type">int</span>))); <span class="type"><a href="qdomelement.html">QDomElement</a></span> child <span class="operator">=</span> root<span class="operator">.</span>firstChildElement(<span class="string">"folder"</span>); <span class="keyword">while</span> (<span class="operator">!</span>child<span class="operator">.</span>isNull()) { parseFolderElement(child); child <span class="operator">=</span> child<span class="operator">.</span>nextSiblingElement(<span class="string">"folder"</span>); } connect(<span class="keyword">this</span><span class="operator">,</span> SIGNAL(itemChanged(<span class="type"><a href="qtreewidgetitem.html">QTreeWidgetItem</a></span><span class="operator">*</span><span class="operator">,</span><span class="type">int</span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(updateDomElement(<span class="type"><a href="qtreewidgetitem.html">QTreeWidgetItem</a></span><span class="operator">*</span><span class="operator">,</span><span class="type">int</span>))); <span class="keyword">return</span> <span class="keyword">true</span>; } <span class="type">bool</span> XbelTree<span class="operator">::</span>write(<span class="type"><a href="qiodevice.html">QIODevice</a></span> <span class="operator">*</span>device) { <span class="keyword">const</span> <span class="type">int</span> IndentSize <span class="operator">=</span> <span class="number">4</span>; <span class="type"><a href="qtextstream.html">QTextStream</a></span> out(device); domDocument<span class="operator">.</span>save(out<span class="operator">,</span> IndentSize); <span class="keyword">return</span> <span class="keyword">true</span>; } <span class="type">void</span> XbelTree<span class="operator">::</span>updateDomElement(<span class="type"><a href="qtreewidgetitem.html">QTreeWidgetItem</a></span> <span class="operator">*</span>item<span class="operator">,</span> <span class="type">int</span> column) { <span class="type"><a href="qdomelement.html">QDomElement</a></span> element <span class="operator">=</span> domElementForItem<span class="operator">.</span>value(item); <span class="keyword">if</span> (<span class="operator">!</span>element<span class="operator">.</span>isNull()) { <span class="keyword">if</span> (column <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span>) { <span class="type"><a href="qdomelement.html">QDomElement</a></span> oldTitleElement <span class="operator">=</span> element<span class="operator">.</span>firstChildElement(<span class="string">"title"</span>); <span class="type"><a href="qdomelement.html">QDomElement</a></span> newTitleElement <span class="operator">=</span> domDocument<span class="operator">.</span>createElement(<span class="string">"title"</span>); <span class="type"><a href="qdomtext.html">QDomText</a></span> newTitleText <span class="operator">=</span> domDocument<span class="operator">.</span>createTextNode(item<span class="operator">-</span><span class="operator">></span>text(<span class="number">0</span>)); newTitleElement<span class="operator">.</span>appendChild(newTitleText); element<span class="operator">.</span>replaceChild(newTitleElement<span class="operator">,</span> oldTitleElement); } <span class="keyword">else</span> { <span class="keyword">if</span> (element<span class="operator">.</span>tagName() <span class="operator">=</span><span class="operator">=</span> <span class="string">"bookmark"</span>) element<span class="operator">.</span>setAttribute(<span class="string">"href"</span><span class="operator">,</span> item<span class="operator">-</span><span class="operator">></span>text(<span class="number">1</span>)); } } } <span class="type">void</span> XbelTree<span class="operator">::</span>parseFolderElement(<span class="keyword">const</span> <span class="type"><a href="qdomelement.html">QDomElement</a></span> <span class="operator">&</span>element<span class="operator">,</span> <span class="type"><a href="qtreewidgetitem.html">QTreeWidgetItem</a></span> <span class="operator">*</span>parentItem) { <span class="type"><a href="qtreewidgetitem.html">QTreeWidgetItem</a></span> <span class="operator">*</span>item <span class="operator">=</span> createItem(element<span class="operator">,</span> parentItem); <span class="type"><a href="qstring.html">QString</a></span> title <span class="operator">=</span> element<span class="operator">.</span>firstChildElement(<span class="string">"title"</span>)<span class="operator">.</span>text(); <span class="keyword">if</span> (title<span class="operator">.</span>isEmpty()) title <span class="operator">=</span> <span class="type"><a href="qobject.html">QObject</a></span><span class="operator">::</span>tr(<span class="string">"Folder"</span>); item<span class="operator">-</span><span class="operator">></span>setFlags(item<span class="operator">-</span><span class="operator">></span>flags() <span class="operator">|</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>ItemIsEditable); item<span class="operator">-</span><span class="operator">></span>setIcon(<span class="number">0</span><span class="operator">,</span> folderIcon); item<span class="operator">-</span><span class="operator">></span>setText(<span class="number">0</span><span class="operator">,</span> title); <span class="type">bool</span> folded <span class="operator">=</span> (element<span class="operator">.</span>attribute(<span class="string">"folded"</span>) <span class="operator">!</span><span class="operator">=</span> <span class="string">"no"</span>); setItemExpanded(item<span class="operator">,</span> <span class="operator">!</span>folded); <span class="type"><a href="qdomelement.html">QDomElement</a></span> child <span class="operator">=</span> element<span class="operator">.</span>firstChildElement(); <span class="keyword">while</span> (<span class="operator">!</span>child<span class="operator">.</span>isNull()) { <span class="keyword">if</span> (child<span class="operator">.</span>tagName() <span class="operator">=</span><span class="operator">=</span> <span class="string">"folder"</span>) { parseFolderElement(child<span class="operator">,</span> item); } <span class="keyword">else</span> <span class="keyword">if</span> (child<span class="operator">.</span>tagName() <span class="operator">=</span><span class="operator">=</span> <span class="string">"bookmark"</span>) { <span class="type"><a href="qtreewidgetitem.html">QTreeWidgetItem</a></span> <span class="operator">*</span>childItem <span class="operator">=</span> createItem(child<span class="operator">,</span> item); <span class="type"><a href="qstring.html">QString</a></span> title <span class="operator">=</span> child<span class="operator">.</span>firstChildElement(<span class="string">"title"</span>)<span class="operator">.</span>text(); <span class="keyword">if</span> (title<span class="operator">.</span>isEmpty()) title <span class="operator">=</span> <span class="type"><a href="qobject.html">QObject</a></span><span class="operator">::</span>tr(<span class="string">"Folder"</span>); childItem<span class="operator">-</span><span class="operator">></span>setFlags(item<span class="operator">-</span><span class="operator">></span>flags() <span class="operator">|</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>ItemIsEditable); childItem<span class="operator">-</span><span class="operator">></span>setIcon(<span class="number">0</span><span class="operator">,</span> bookmarkIcon); childItem<span class="operator">-</span><span class="operator">></span>setText(<span class="number">0</span><span class="operator">,</span> title); childItem<span class="operator">-</span><span class="operator">></span>setText(<span class="number">1</span><span class="operator">,</span> child<span class="operator">.</span>attribute(<span class="string">"href"</span>)); } <span class="keyword">else</span> <span class="keyword">if</span> (child<span class="operator">.</span>tagName() <span class="operator">=</span><span class="operator">=</span> <span class="string">"separator"</span>) { <span class="type"><a href="qtreewidgetitem.html">QTreeWidgetItem</a></span> <span class="operator">*</span>childItem <span class="operator">=</span> createItem(child<span class="operator">,</span> item); childItem<span class="operator">-</span><span class="operator">></span>setFlags(item<span class="operator">-</span><span class="operator">></span>flags() <span class="operator">&</span> <span class="operator">~</span>(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>ItemIsSelectable <span class="operator">|</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>ItemIsEditable)); childItem<span class="operator">-</span><span class="operator">></span>setText(<span class="number">0</span><span class="operator">,</span> <span class="type"><a href="qstring.html">QString</a></span>(<span class="number">30</span><span class="operator">,</span> <span class="number">0xB7</span>)); } child <span class="operator">=</span> child<span class="operator">.</span>nextSiblingElement(); } } <span class="type"><a href="qtreewidgetitem.html">QTreeWidgetItem</a></span> <span class="operator">*</span>XbelTree<span class="operator">::</span>createItem(<span class="keyword">const</span> <span class="type"><a href="qdomelement.html">QDomElement</a></span> <span class="operator">&</span>element<span class="operator">,</span> <span class="type"><a href="qtreewidgetitem.html">QTreeWidgetItem</a></span> <span class="operator">*</span>parentItem) { <span class="type"><a href="qtreewidgetitem.html">QTreeWidgetItem</a></span> <span class="operator">*</span>item; <span class="keyword">if</span> (parentItem) { item <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtreewidgetitem.html">QTreeWidgetItem</a></span>(parentItem); } <span class="keyword">else</span> { item <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtreewidgetitem.html">QTreeWidgetItem</a></span>(<span class="keyword">this</span>); } domElementForItem<span class="operator">.</span>insert(item<span class="operator">,</span> element); <span class="keyword">return</span> item; }</pre> </div> <!-- @@@xml/dombookmarks/xbeltree.cpp --> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2013 Digia Plc and/or its subsidiaries. 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