Qt 5.8 | Qt SQL | Master Detail Example | mainwindow.h Example File

Qt 5.8.0 Reference Documentation

# mainwindow.h Example File

masterdetail/mainwindow.h

      /****************************************************************************
      **
      ** 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."
      **
      ** $QT_END_LICENSE$
      **
      ****************************************************************************/

      #ifndef MAINWINDOW_H
      #define MAINWINDOW_H

      #include <QDomDocument>
      #include <QMainWindow>
      #include <QModelIndex>

      class QComboBox;
      class QFile;
      class QGroupBox;
      class QLabel;
      class QListWidget;
      class QSqlRelationalTableModel;
      class QTableView;

      class MainWindow : public QMainWindow
      {
          Q_OBJECT

      public:
          MainWindow(const QString &artistTable, const QString &albumTable,
                     QFile *albumDetails, QWidget *parent = 0);

      private slots:
          void about();
          void addAlbum();
          void changeArtist(int row);
          void deleteAlbum();
          void showAlbumDetails(QModelIndex index);
          void showArtistProfile(QModelIndex index);
          void updateHeader(QModelIndex, int, int);

      private:
          void adjustHeader();
          QGroupBox *createAlbumGroupBox();
          QGroupBox *createArtistGroupBox();
          QGroupBox *createDetailsGroupBox();
          void createMenuBar();
          void decreaseAlbumCount(QModelIndex artistIndex);
          void getTrackList(QDomNode album);
          QModelIndex indexOfArtist(const QString &artist);
          void readAlbumData();
          void removeAlbumFromDatabase(QModelIndex album);
          void removeAlbumFromFile(int id);
          void showImageLabel();

          QTableView *albumView;
          QComboBox *artistView;
          QListWidget *trackList;

          QLabel *iconLabel;
          QLabel *imageLabel;
          QLabel *profileLabel;
          QLabel *titleLabel;

          QDomDocument albumData;
          QFile *file;
          QSqlRelationalTableModel *model;
      };

      #endif