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<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:
  **
  ** &quot;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
  ** &quot;AS IS&quot; 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.&quot;
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/</span>

  <span class="preprocessor">#include &quot;dialog.h&quot;</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">&gt;</span>addWidget(inputWidgetBox);
      layout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(buttonBox);
      setLayout(layout);

      setWindowTitle(tr(<span class="string">&quot;Add Album&quot;</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">&gt;</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">&gt;</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">&quot;Please provide both the name of the artist &quot;</span>
                             <span class="string">&quot;and the title of the album.&quot;</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">&quot;Add Album&quot;</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">&gt;</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">&amp;</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">&gt;</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">&lt;</span> artistModel<span class="operator">-</span><span class="operator">&gt;</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">&gt;</span>record(row);
          <span class="keyword">if</span> (record<span class="operator">.</span>value(<span class="string">&quot;artist&quot;</span>) <span class="operator">=</span><span class="operator">=</span> artist)
              <span class="keyword">return</span> record<span class="operator">.</span>value(<span class="string">&quot;id&quot;</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">&amp;</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">&gt;</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">&quot;id&quot;</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">&quot;artist&quot;</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">&quot;albumcount&quot;</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">&gt;</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">&amp;</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">&quot;albumid&quot;</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">&quot;title&quot;</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">&quot;artistid&quot;</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">&quot;year&quot;</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">&gt;</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">&gt;</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">&amp;</span>tracks)
  {
      <span class="type">QDomElement</span> albumNode <span class="operator">=</span> albumDetails<span class="operator">.</span>createElement(<span class="string">&quot;album&quot;</span>);
      albumNode<span class="operator">.</span>setAttribute(<span class="string">&quot;id&quot;</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">&lt;</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">&lt;</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">&quot;track&quot;</span>);
          trackNode<span class="operator">.</span>setAttribute(<span class="string">&quot;number&quot;</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">&quot;archive&quot;</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-&gt;open(QIODevice::WriteOnly)) {
          return;
      } else {
          QTextStream stream(outputFile);
          archive.item(0).save(stream, 4);
          outputFile-&gt;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">&gt;</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">&gt;</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">&gt;</span>clear();
      titleEditor<span class="operator">-</span><span class="operator">&gt;</span>clear();
      yearEditor<span class="operator">-</span><span class="operator">&gt;</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">&gt;</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">&quot;Add Album&quot;</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">&quot;Artist:&quot;</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">&quot;Title:&quot;</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">&quot;Year:&quot;</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">&quot;Tracks (separated by comma):&quot;</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">&gt;</span>setMinimum(<span class="number">1900</span>);
      yearEditor<span class="operator">-</span><span class="operator">&gt;</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">&gt;</span>setValue(yearEditor<span class="operator">-</span><span class="operator">&gt;</span>maximum());
      yearEditor<span class="operator">-</span><span class="operator">&gt;</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">&gt;</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">&gt;</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">&gt;</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">&gt;</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">&gt;</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">&gt;</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">&gt;</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">&gt;</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">&gt;</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">&quot;&amp;Close&quot;</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">&quot;&amp;Revert&quot;</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">&quot;&amp;Submit&quot;</span>));

      closeButton<span class="operator">-</span><span class="operator">&gt;</span>setDefault(<span class="keyword">true</span>);

      connect(closeButton<span class="operator">,</span> <span class="operator">&amp;</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">&amp;</span>Dialog<span class="operator">::</span>close);
      connect(revertButton<span class="operator">,</span> <span class="operator">&amp;</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">&amp;</span>Dialog<span class="operator">::</span>revert);
      connect(submitButton<span class="operator">,</span> <span class="operator">&amp;</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">&amp;</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">&gt;</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">&gt;</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">&gt;</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">&amp;</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">&gt;</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">&lt;</span> artistModel<span class="operator">-</span><span class="operator">&gt;</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">&gt;</span>record(i);
          <span class="keyword">if</span> (record<span class="operator">.</span>value(<span class="string">&quot;artist&quot;</span>) <span class="operator">=</span><span class="operator">=</span> artist)
              <span class="keyword">return</span> artistModel<span class="operator">-</span><span class="operator">&gt;</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 -->
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