<?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>addressbookmodel.cpp Example File | Enginio Manual 1.6.3</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 1.6</td><td >Enginio Manual</td><td ><a href="enginio-qt-cloudaddressbook-example.html">Enginio C++ Examples - Cloud Address Book</a></td><td >addressbookmodel.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 1.6.3 Reference Documentation</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">addressbookmodel.cpp Example File</h1> <span class="subtitle">cloudaddressbook/addressbookmodel.cpp</span> <!-- $$$cloudaddressbook/addressbookmodel.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** 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. ** * 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 <QtCore/qhash.h></span> <span class="preprocessor">#include <QtCore/qbytearray.h></span> <span class="preprocessor">#include <QtCore/qjsondocument.h></span> <span class="preprocessor">#include <QtCore/qjsonvalue.h></span> <span class="preprocessor">#include <QtCore/qjsonobject.h></span> <span class="preprocessor">#include <QtCore/qjsonarray.h></span> <span class="preprocessor">#include <QtGui/qfont.h></span> <span class="preprocessor">#include "addressbookmodel.h"</span> AddressBookModel<span class="operator">::</span>AddressBookModel(<span class="type">QObject</span> <span class="operator">*</span>parent) : EnginioModel(parent) <span class="operator">,</span> _searchReply() {} AddressBookModel<span class="operator">::</span><span class="operator">~</span>AddressBookModel() {} <span class="type">QVariant</span> AddressBookModel<span class="operator">::</span>data(<span class="keyword">const</span> <span class="type">QModelIndex</span> <span class="operator">&</span>index<span class="operator">,</span> <span class="type">int</span> role) <span class="keyword">const</span> { <span class="keyword">if</span> (role <span class="operator">=</span><span class="operator">=</span> <span class="type">Qt</span><span class="operator">::</span>DisplayRole) { <span class="comment">// we assume here that column order is constant and it is the same as in AddressBookModel::Roles</span> <span class="keyword">return</span> EnginioModel<span class="operator">::</span>data(index<span class="operator">,</span> FirstNameRole <span class="operator">+</span> index<span class="operator">.</span>column())<span class="operator">.</span>value<span class="operator"><</span><span class="type">QJsonValue</span><span class="operator">></span>()<span class="operator">.</span>toString(); } <span class="keyword">if</span> (role <span class="operator">=</span><span class="operator">=</span> <span class="type">Qt</span><span class="operator">::</span>FontRole) { <span class="comment">// this role is used to mark items found in the full text search.</span> <span class="type">QFont</span> font; <span class="type">QString</span> id <span class="operator">=</span> EnginioModel<span class="operator">::</span>data(index<span class="operator">,</span> Enginio<span class="operator">::</span>IdRole)<span class="operator">.</span>value<span class="operator"><</span><span class="type">QString</span><span class="operator">></span>(); font<span class="operator">.</span>setBold(_markedItems<span class="operator">.</span>contains(id)); <span class="keyword">return</span> font; } <span class="keyword">return</span> EnginioModel<span class="operator">::</span>data(index<span class="operator">,</span> role); } bool AddressBookModel<span class="operator">::</span>setData(<span class="keyword">const</span> <span class="type">QModelIndex</span> <span class="operator">&</span>index<span class="operator">,</span> <span class="keyword">const</span> <span class="type">QVariant</span> <span class="operator">&</span>value<span class="operator">,</span> <span class="type">int</span> role) { bool result <span class="operator">=</span> role <span class="operator">=</span><span class="operator">=</span> <span class="type">Qt</span><span class="operator">::</span>EditRole <span class="operator">?</span> EnginioModel<span class="operator">::</span>setData(<span class="keyword">this</span><span class="operator">-</span><span class="operator">></span>index(index<span class="operator">.</span>row())<span class="operator">,</span> value<span class="operator">,</span> FirstNameRole <span class="operator">+</span> index<span class="operator">.</span>column()) : EnginioModel<span class="operator">::</span>setData(<span class="keyword">this</span><span class="operator">-</span><span class="operator">></span>index(index<span class="operator">.</span>row())<span class="operator">,</span> value<span class="operator">,</span> role); <span class="comment">// if the data was edited, the marked items set may not be valid anymore</span> <span class="comment">// so we need to clear it.</span> <span class="keyword">if</span> (result) _markedItems<span class="operator">.</span>clear(); <span class="keyword">return</span> result; } <span class="type">int</span> AddressBookModel<span class="operator">::</span>columnCount(<span class="keyword">const</span> <span class="type">QModelIndex</span> <span class="operator">&</span>parent) <span class="keyword">const</span> { <span class="keyword">return</span> parent<span class="operator">.</span>isValid() <span class="operator">?</span> <span class="number">0</span> : <span class="number">5</span>; } <span class="type">QVariant</span> AddressBookModel<span class="operator">::</span>headerData(<span class="type">int</span> section<span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>Orientation orientation<span class="operator">,</span> <span class="type">int</span> role) <span class="keyword">const</span> { <span class="keyword">if</span> (orientation <span class="operator">=</span><span class="operator">=</span> <span class="type">Qt</span><span class="operator">::</span>Horizontal <span class="operator">&</span><span class="operator">&</span> role <span class="operator">=</span><span class="operator">=</span> <span class="type">Qt</span><span class="operator">::</span>DisplayRole) { <span class="keyword">switch</span> (section) { <span class="keyword">case</span> <span class="number">0</span>: <span class="keyword">return</span> <span class="type">QStringLiteral</span>(<span class="string">"First name"</span>); <span class="keyword">case</span> <span class="number">1</span>: <span class="keyword">return</span> <span class="type">QStringLiteral</span>(<span class="string">"Last name"</span>); <span class="keyword">case</span> <span class="number">2</span>: <span class="keyword">return</span> <span class="type">QStringLiteral</span>(<span class="string">"Email"</span>); <span class="keyword">case</span> <span class="number">3</span>: <span class="keyword">return</span> <span class="type">QStringLiteral</span>(<span class="string">"Phone number"</span>); <span class="keyword">case</span> <span class="number">4</span>: <span class="keyword">return</span> <span class="type">QStringLiteral</span>(<span class="string">"Address"</span>); } <span class="keyword">return</span> <span class="type">QVariant</span>(); } <span class="keyword">return</span> EnginioModel<span class="operator">::</span>headerData(section<span class="operator">,</span> orientation<span class="operator">,</span> role); } <span class="type">QHash</span><span class="operator"><</span><span class="type">int</span><span class="operator">,</span> <span class="type">QByteArray</span><span class="operator">></span> AddressBookModel<span class="operator">::</span>roleNames() <span class="keyword">const</span> { <span class="type">QHash</span><span class="operator"><</span><span class="type">int</span><span class="operator">,</span> <span class="type">QByteArray</span><span class="operator">></span> roles <span class="operator">=</span> EnginioModel<span class="operator">::</span>roleNames(); roles<span class="operator">.</span>insert(FirstNameRole<span class="operator">,</span> <span class="string">"firstName"</span>); roles<span class="operator">.</span>insert(LastNameRole<span class="operator">,</span> <span class="string">"lastName"</span>); roles<span class="operator">.</span>insert(EmailRole<span class="operator">,</span> <span class="string">"email"</span>); roles<span class="operator">.</span>insert(PhoneRole<span class="operator">,</span> <span class="string">"phone"</span>); roles<span class="operator">.</span>insert(AddressRole<span class="operator">,</span> <span class="string">"address"</span>); <span class="keyword">return</span> roles; } <span class="type">void</span> AddressBookModel<span class="operator">::</span>newSearch(<span class="keyword">const</span> <span class="type">QString</span> <span class="operator">&</span>search) { <span class="keyword">if</span> (search<span class="operator">.</span>isEmpty()) <span class="keyword">return</span>; <span class="comment">// construct JSON object:</span> <span class="comment">// {</span> <span class="comment">// "objectTypes": ["objects.addressbook"],</span> <span class="comment">// "search": { "phrase": "*PHRASE*",</span> <span class="comment">// "properties": ["firstName", "lastName", "email", "phone", "address"]</span> <span class="comment">// }</span> <span class="comment">// }</span> <span class="type">QJsonObject</span> query; { <span class="type">QJsonArray</span> objectTypes; objectTypes<span class="operator">.</span>append(<span class="type">QString</span><span class="operator">::</span>fromUtf8(<span class="string">"objects.addressbook"</span>)); <span class="type">QJsonArray</span> properties; properties<span class="operator">.</span>append(<span class="type">QString</span><span class="operator">::</span>fromUtf8(<span class="string">"firstName"</span>)); properties<span class="operator">.</span>append(<span class="type">QString</span><span class="operator">::</span>fromUtf8(<span class="string">"lastName"</span>)); properties<span class="operator">.</span>append(<span class="type">QString</span><span class="operator">::</span>fromUtf8(<span class="string">"email"</span>)); properties<span class="operator">.</span>append(<span class="type">QString</span><span class="operator">::</span>fromUtf8(<span class="string">"phone"</span>)); properties<span class="operator">.</span>append(<span class="type">QString</span><span class="operator">::</span>fromUtf8(<span class="string">"address"</span>)); <span class="type">QJsonObject</span> searchQuery; searchQuery<span class="operator">.</span>insert(<span class="string">"phrase"</span><span class="operator">,</span> <span class="string">"*"</span> <span class="operator">+</span> search <span class="operator">+</span> <span class="string">"*"</span>); searchQuery<span class="operator">.</span>insert(<span class="string">"properties"</span><span class="operator">,</span> properties); query<span class="operator">.</span>insert(<span class="string">"objectTypes"</span><span class="operator">,</span> objectTypes); query<span class="operator">.</span>insert(<span class="string">"search"</span><span class="operator">,</span> searchQuery); } <span class="keyword">if</span> (_searchReply) { <span class="comment">// a new search is created before the old one was finished</span> <span class="comment">// we will not be interested in the results of the old search.</span> _searchReply<span class="operator">-</span><span class="operator">></span>disconnect(<span class="keyword">this</span>); } _searchReply <span class="operator">=</span> client()<span class="operator">-</span><span class="operator">></span>fullTextSearch(query); <span class="type">QObject</span><span class="operator">::</span>connect(_searchReply<span class="operator">,</span> <span class="operator">&</span>EnginioReply<span class="operator">::</span>finished<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>AddressBookModel<span class="operator">::</span>searchResultsArrived); <span class="type">QObject</span><span class="operator">::</span>connect(_searchReply<span class="operator">,</span> <span class="operator">&</span>EnginioReply<span class="operator">::</span>finished<span class="operator">,</span> _searchReply<span class="operator">,</span> <span class="operator">&</span>EnginioReply<span class="operator">::</span>deleteLater); } <span class="type">void</span> AddressBookModel<span class="operator">::</span>searchResultsArrived() { <span class="comment">// clear old marks.</span> _markedItems<span class="operator">.</span>clear(); <span class="comment">// update marked ids.</span> <span class="type">QJsonArray</span> results <span class="operator">=</span> _searchReply<span class="operator">-</span><span class="operator">></span>data()<span class="operator">[</span><span class="string">"results"</span><span class="operator">]</span><span class="operator">.</span>toArray(); foreach (<span class="keyword">const</span> <span class="type">QJsonValue</span> <span class="operator">&</span>value<span class="operator">,</span> results) { <span class="type">QJsonObject</span> person <span class="operator">=</span> value<span class="operator">.</span>toObject(); _markedItems<span class="operator">.</span>insert(person<span class="operator">[</span><span class="string">"id"</span><span class="operator">]</span><span class="operator">.</span>toString()); } <span class="type">QVector</span><span class="operator"><</span><span class="type">int</span><span class="operator">></span> roles; roles<span class="operator">.</span>append(<span class="type">Qt</span><span class="operator">::</span>FontRole); <span class="comment">// We do not keep id -> row mapping, therefore it is easier to emit</span> <span class="comment">// data change signal for all items, even if it is not optimal from</span> <span class="comment">// the performance point of view.</span> <span class="keyword">emit</span> dataChanged(index(<span class="number">0</span>)<span class="operator">,</span> index(rowCount() <span class="operator">-</span> <span class="number">1</span><span class="operator">,</span> columnCount() <span class="operator">-</span> <span class="number">1</span>) <span class="operator">,</span> roles); _searchReply <span class="operator">=</span> <span class="number">0</span>; <span class="keyword">emit</span> searchFinished(); } </pre> </div> <!-- @@@cloudaddressbook/addressbookmodel.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>