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mainwindow.h Example File
^{sql/masterdetail/mainwindow.h}

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 #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