<?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>dialog.cpp Example File | Qt SQL 5.12.6</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="qtsql-index.html">Qt SQL</a></td><td ><a href="qtsql-masterdetail-example.html">Master Detail Example</a></td><td >dialog.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtsql-index.html">Qt 5.12.6 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">dialog.cpp Example File</h1> <span class="subtitle">masterdetail/dialog.cpp</span> <!-- $$$masterdetail/dialog.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 "dialog.h"</span> <span class="type">int</span> uniqueAlbumId; <span class="type">int</span> uniqueArtistId; Dialog<span class="operator">::</span>Dialog(<span class="type"><a href="qsqlrelationaltablemodel.html">QSqlRelationalTableModel</a></span> <span class="operator">*</span>albums<span class="operator">,</span> <span class="type">QDomDocument</span> details<span class="operator">,</span> <span class="type"><a href="../qtcore/qfile.html">QFile</a></span> <span class="operator">*</span>output<span class="operator">,</span> <span class="type"><a href="../qtwidgets/qwidget.html">QWidget</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="../qtwidgets/qdialog.html">QDialog</a></span>(parent) { model <span class="operator">=</span> albums; albumDetails <span class="operator">=</span> details; outputFile <span class="operator">=</span> output; <span class="type"><a href="../qtwidgets/qgroupbox.html">QGroupBox</a></span> <span class="operator">*</span>inputWidgetBox <span class="operator">=</span> createInputWidgets(); <span class="type"><a href="../qtwidgets/qdialogbuttonbox.html">QDialogButtonBox</a></span> <span class="operator">*</span>buttonBox <span class="operator">=</span> createButtons(); <span class="type"><a href="../qtwidgets/qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>layout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qvboxlayout.html">QVBoxLayout</a></span>; layout<span class="operator">-</span><span class="operator">></span>addWidget(inputWidgetBox); layout<span class="operator">-</span><span class="operator">></span>addWidget(buttonBox); setLayout(layout); setWindowTitle(tr(<span class="string">"Add Album"</span>)); } <span class="type">void</span> Dialog<span class="operator">::</span>submit() { <span class="type"><a href="../qtcore/qstring.html">QString</a></span> artist <span class="operator">=</span> artistEditor<span class="operator">-</span><span class="operator">></span>text(); <span class="type"><a href="../qtcore/qstring.html">QString</a></span> title <span class="operator">=</span> titleEditor<span class="operator">-</span><span class="operator">></span>text(); <span class="keyword">if</span> (artist<span class="operator">.</span>isEmpty() <span class="operator">|</span><span class="operator">|</span> title<span class="operator">.</span>isEmpty()) { <span class="type"><a href="../qtcore/qstring.html">QString</a></span> message(tr(<span class="string">"Please provide both the name of the artist "</span> <span class="string">"and the title of the album."</span>)); <span class="type"><a href="../qtwidgets/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">"Add Album"</span>)<span class="operator">,</span> message); } <span class="keyword">else</span> { <span class="type">int</span> artistId <span class="operator">=</span> findArtistId(artist); <span class="type">int</span> albumId <span class="operator">=</span> addNewAlbum(title<span class="operator">,</span> artistId); <span class="type"><a href="../qtcore/qstringlist.html">QStringList</a></span> tracks; tracks <span class="operator">=</span> tracksEditor<span class="operator">-</span><span class="operator">></span>text()<span class="operator">.</span>split(<span class="char">','</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span><span class="operator">::</span>SkipEmptyParts); addTracks(albumId<span class="operator">,</span> tracks); increaseAlbumCount(indexOfArtist(artist)); accept(); } } <span class="type">int</span> Dialog<span class="operator">::</span>findArtistId(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>artist) { <span class="type"><a href="qsqltablemodel.html">QSqlTableModel</a></span> <span class="operator">*</span>artistModel <span class="operator">=</span> model<span class="operator">-</span><span class="operator">></span>relationModel(<span class="number">2</span>); <span class="type">int</span> row <span class="operator">=</span> <span class="number">0</span>; <span class="keyword">while</span> (row <span class="operator"><</span> artistModel<span class="operator">-</span><span class="operator">></span>rowCount()) { <span class="type"><a href="qsqlrecord.html">QSqlRecord</a></span> record <span class="operator">=</span> artistModel<span class="operator">-</span><span class="operator">></span>record(row); <span class="keyword">if</span> (record<span class="operator">.</span>value(<span class="string">"artist"</span>) <span class="operator">=</span><span class="operator">=</span> artist) <span class="keyword">return</span> record<span class="operator">.</span>value(<span class="string">"id"</span>)<span class="operator">.</span>toInt(); <span class="keyword">else</span> row<span class="operator">+</span><span class="operator">+</span>; } <span class="keyword">return</span> addNewArtist(artist); } <span class="type">int</span> Dialog<span class="operator">::</span>addNewArtist(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>name) { <span class="type"><a href="qsqltablemodel.html">QSqlTableModel</a></span> <span class="operator">*</span>artistModel <span class="operator">=</span> model<span class="operator">-</span><span class="operator">></span>relationModel(<span class="number">2</span>); <span class="type"><a href="qsqlrecord.html">QSqlRecord</a></span> record; <span class="type">int</span> id <span class="operator">=</span> generateArtistId(); <span class="type"><a href="qsqlfield.html">QSqlField</a></span> f1(<span class="string">"id"</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Int); <span class="type"><a href="qsqlfield.html">QSqlField</a></span> f2(<span class="string">"artist"</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>String); <span class="type"><a href="qsqlfield.html">QSqlField</a></span> f3(<span class="string">"albumcount"</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Int); f1<span class="operator">.</span>setValue(<span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span>(id)); f2<span class="operator">.</span>setValue(<span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span>(name)); f3<span class="operator">.</span>setValue(<span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span>(<span class="number">0</span>)); record<span class="operator">.</span>append(f1); record<span class="operator">.</span>append(f2); record<span class="operator">.</span>append(f3); artistModel<span class="operator">-</span><span class="operator">></span>insertRecord(<span class="operator">-</span><span class="number">1</span><span class="operator">,</span> record); <span class="keyword">return</span> id; } <span class="type">int</span> Dialog<span class="operator">::</span>addNewAlbum(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>title<span class="operator">,</span> <span class="type">int</span> artistId) { <span class="type">int</span> id <span class="operator">=</span> generateAlbumId(); <span class="type"><a href="qsqlrecord.html">QSqlRecord</a></span> record; <span class="type"><a href="qsqlfield.html">QSqlField</a></span> f1(<span class="string">"albumid"</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Int); <span class="type"><a href="qsqlfield.html">QSqlField</a></span> f2(<span class="string">"title"</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>String); <span class="type"><a href="qsqlfield.html">QSqlField</a></span> f3(<span class="string">"artistid"</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Int); <span class="type"><a href="qsqlfield.html">QSqlField</a></span> f4(<span class="string">"year"</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span><span class="operator">::</span>Int); f1<span class="operator">.</span>setValue(<span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span>(id)); f2<span class="operator">.</span>setValue(<span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span>(title)); f3<span class="operator">.</span>setValue(<span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span>(artistId)); f4<span class="operator">.</span>setValue(<span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span>(yearEditor<span class="operator">-</span><span class="operator">></span>value())); record<span class="operator">.</span>append(f1); record<span class="operator">.</span>append(f2); record<span class="operator">.</span>append(f3); record<span class="operator">.</span>append(f4); model<span class="operator">-</span><span class="operator">></span>insertRecord(<span class="operator">-</span><span class="number">1</span><span class="operator">,</span> record); <span class="keyword">return</span> id; } <span class="type">void</span> Dialog<span class="operator">::</span>addTracks(<span class="type">int</span> albumId<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qstringlist.html">QStringList</a></span> <span class="operator">&</span>tracks) { <span class="type">QDomElement</span> albumNode <span class="operator">=</span> albumDetails<span class="operator">.</span>createElement(<span class="string">"album"</span>); albumNode<span class="operator">.</span>setAttribute(<span class="string">"id"</span><span class="operator">,</span> albumId); <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> tracks<span class="operator">.</span>count(); <span class="operator">+</span><span class="operator">+</span>i) { <span class="type"><a href="../qtcore/qstring.html">QString</a></span> trackNumber <span class="operator">=</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span><span class="operator">::</span>number(i); <span class="keyword">if</span> (i <span class="operator"><</span> <span class="number">10</span>) trackNumber<span class="operator">.</span>prepend(<span class="char">'0'</span>); <span class="type">QDomText</span> textNode <span class="operator">=</span> albumDetails<span class="operator">.</span>createTextNode(tracks<span class="operator">.</span>at(i)); <span class="type">QDomElement</span> trackNode <span class="operator">=</span> albumDetails<span class="operator">.</span>createElement(<span class="string">"track"</span>); trackNode<span class="operator">.</span>setAttribute(<span class="string">"number"</span><span class="operator">,</span> trackNumber); trackNode<span class="operator">.</span>appendChild(textNode); albumNode<span class="operator">.</span>appendChild(trackNode); } <span class="type">QDomNodeList</span> archive <span class="operator">=</span> albumDetails<span class="operator">.</span>elementsByTagName(<span class="string">"archive"</span>); archive<span class="operator">.</span>item(<span class="number">0</span>)<span class="operator">.</span>appendChild(albumNode); <span class="comment">/* The following code is commented out since the example uses an in memory database, i.e., altering the XML file will bring the data out of sync. if (!outputFile->open(QIODevice::WriteOnly)) { return; } else { QTextStream stream(outputFile); archive.item(0).save(stream, 4); outputFile->close(); } */</span> } <span class="type">void</span> Dialog<span class="operator">::</span>increaseAlbumCount(<span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span> artistIndex) { <span class="type"><a href="qsqltablemodel.html">QSqlTableModel</a></span> <span class="operator">*</span>artistModel <span class="operator">=</span> model<span class="operator">-</span><span class="operator">></span>relationModel(<span class="number">2</span>); <span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span> albumCountIndex; albumCountIndex <span class="operator">=</span> artistIndex<span class="operator">.</span>sibling(artistIndex<span class="operator">.</span>row()<span class="operator">,</span> <span class="number">2</span>); <span class="type">int</span> albumCount <span class="operator">=</span> albumCountIndex<span class="operator">.</span>data()<span class="operator">.</span>toInt(); artistModel<span class="operator">-</span><span class="operator">></span>setData(albumCountIndex<span class="operator">,</span> <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span>(albumCount <span class="operator">+</span> <span class="number">1</span>)); } <span class="type">void</span> Dialog<span class="operator">::</span>revert() { artistEditor<span class="operator">-</span><span class="operator">></span>clear(); titleEditor<span class="operator">-</span><span class="operator">></span>clear(); yearEditor<span class="operator">-</span><span class="operator">></span>setValue(<span class="type"><a href="../qtcore/qdate.html">QDate</a></span><span class="operator">::</span>currentDate()<span class="operator">.</span>year()); tracksEditor<span class="operator">-</span><span class="operator">></span>clear(); } <span class="type"><a href="../qtwidgets/qgroupbox.html">QGroupBox</a></span> <span class="operator">*</span>Dialog<span class="operator">::</span>createInputWidgets() { <span class="type"><a href="../qtwidgets/qgroupbox.html">QGroupBox</a></span> <span class="operator">*</span>box <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qgroupbox.html">QGroupBox</a></span>(tr(<span class="string">"Add Album"</span>)); <span class="type"><a href="../qtwidgets/qlabel.html">QLabel</a></span> <span class="operator">*</span>artistLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qlabel.html">QLabel</a></span>(tr(<span class="string">"Artist:"</span>)); <span class="type"><a href="../qtwidgets/qlabel.html">QLabel</a></span> <span class="operator">*</span>titleLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qlabel.html">QLabel</a></span>(tr(<span class="string">"Title:"</span>)); <span class="type"><a href="../qtwidgets/qlabel.html">QLabel</a></span> <span class="operator">*</span>yearLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qlabel.html">QLabel</a></span>(tr(<span class="string">"Year:"</span>)); <span class="type"><a href="../qtwidgets/qlabel.html">QLabel</a></span> <span class="operator">*</span>tracksLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qlabel.html">QLabel</a></span>(tr(<span class="string">"Tracks (separated by comma):"</span>)); artistEditor <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qlineedit.html">QLineEdit</a></span>; titleEditor <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qlineedit.html">QLineEdit</a></span>; yearEditor <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qspinbox.html">QSpinBox</a></span>; yearEditor<span class="operator">-</span><span class="operator">></span>setMinimum(<span class="number">1900</span>); yearEditor<span class="operator">-</span><span class="operator">></span>setMaximum(<span class="type"><a href="../qtcore/qdate.html">QDate</a></span><span class="operator">::</span>currentDate()<span class="operator">.</span>year()); yearEditor<span class="operator">-</span><span class="operator">></span>setValue(yearEditor<span class="operator">-</span><span class="operator">></span>maximum()); yearEditor<span class="operator">-</span><span class="operator">></span>setReadOnly(<span class="keyword">false</span>); tracksEditor <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qlineedit.html">QLineEdit</a></span>; <span class="type"><a href="../qtwidgets/qgridlayout.html">QGridLayout</a></span> <span class="operator">*</span>layout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qgridlayout.html">QGridLayout</a></span>; layout<span class="operator">-</span><span class="operator">></span>addWidget(artistLabel<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(artistEditor<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(titleLabel<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">0</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(titleEditor<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">1</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(yearLabel<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">0</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(yearEditor<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">1</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(tracksLabel<span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">2</span>); layout<span class="operator">-</span><span class="operator">></span>addWidget(tracksEditor<span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">2</span>); box<span class="operator">-</span><span class="operator">></span>setLayout(layout); <span class="keyword">return</span> box; } <span class="type"><a href="../qtwidgets/qdialogbuttonbox.html">QDialogButtonBox</a></span> <span class="operator">*</span>Dialog<span class="operator">::</span>createButtons() { <span class="type"><a href="../qtwidgets/qpushbutton.html">QPushButton</a></span> <span class="operator">*</span>closeButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qpushbutton.html">QPushButton</a></span>(tr(<span class="string">"&Close"</span>)); <span class="type"><a href="../qtwidgets/qpushbutton.html">QPushButton</a></span> <span class="operator">*</span>revertButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qpushbutton.html">QPushButton</a></span>(tr(<span class="string">"&Revert"</span>)); <span class="type"><a href="../qtwidgets/qpushbutton.html">QPushButton</a></span> <span class="operator">*</span>submitButton <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qpushbutton.html">QPushButton</a></span>(tr(<span class="string">"&Submit"</span>)); closeButton<span class="operator">-</span><span class="operator">></span>setDefault(<span class="keyword">true</span>); connect(closeButton<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtwidgets/qpushbutton.html">QPushButton</a></span><span class="operator">::</span>clicked<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>Dialog<span class="operator">::</span>close); connect(revertButton<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtwidgets/qpushbutton.html">QPushButton</a></span><span class="operator">::</span>clicked<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>Dialog<span class="operator">::</span>revert); connect(submitButton<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtwidgets/qpushbutton.html">QPushButton</a></span><span class="operator">::</span>clicked<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>Dialog<span class="operator">::</span>submit); <span class="type"><a href="../qtwidgets/qdialogbuttonbox.html">QDialogButtonBox</a></span> <span class="operator">*</span>buttonBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qdialogbuttonbox.html">QDialogButtonBox</a></span>; buttonBox<span class="operator">-</span><span class="operator">></span>addButton(submitButton<span class="operator">,</span> <span class="type"><a href="../qtwidgets/qdialogbuttonbox.html">QDialogButtonBox</a></span><span class="operator">::</span>ResetRole); buttonBox<span class="operator">-</span><span class="operator">></span>addButton(revertButton<span class="operator">,</span> <span class="type"><a href="../qtwidgets/qdialogbuttonbox.html">QDialogButtonBox</a></span><span class="operator">::</span>ResetRole); buttonBox<span class="operator">-</span><span class="operator">></span>addButton(closeButton<span class="operator">,</span> <span class="type"><a href="../qtwidgets/qdialogbuttonbox.html">QDialogButtonBox</a></span><span class="operator">::</span>RejectRole); <span class="keyword">return</span> buttonBox; } <span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span> Dialog<span class="operator">::</span>indexOfArtist(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>artist) { <span class="type"><a href="qsqltablemodel.html">QSqlTableModel</a></span> <span class="operator">*</span>artistModel <span class="operator">=</span> model<span class="operator">-</span><span class="operator">></span>relationModel(<span class="number">2</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> artistModel<span class="operator">-</span><span class="operator">></span>rowCount(); <span class="operator">+</span><span class="operator">+</span>i) { <span class="type"><a href="qsqlrecord.html">QSqlRecord</a></span> record <span class="operator">=</span> artistModel<span class="operator">-</span><span class="operator">></span>record(i); <span class="keyword">if</span> (record<span class="operator">.</span>value(<span class="string">"artist"</span>) <span class="operator">=</span><span class="operator">=</span> artist) <span class="keyword">return</span> artistModel<span class="operator">-</span><span class="operator">></span>index(i<span class="operator">,</span> <span class="number">1</span>); } <span class="keyword">return</span> <span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span>(); } <span class="type">int</span> Dialog<span class="operator">::</span>generateArtistId() { uniqueArtistId <span class="operator">+</span><span class="operator">=</span> <span class="number">1</span>; <span class="keyword">return</span> uniqueArtistId; } <span class="type">int</span> Dialog<span class="operator">::</span>generateAlbumId() { uniqueAlbumId <span class="operator">+</span><span class="operator">=</span> <span class="number">1</span>; <span class="keyword">return</span> uniqueAlbumId; } </pre> </div> <!-- @@@masterdetail/dialog.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>