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dialog.h Example File
sql/masterdetail/dialog.h

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 #ifndef DIALOG_H
 #define DIALOG_H

 #include <QtGui>
 #include <QtSql>
 #include <QtXml>

 class Dialog : public QDialog
 {
     Q_OBJECT

 public:
     Dialog(QSqlRelationalTableModel *albums, QDomDocument details,
            QFile *output, QWidget *parent = 0);

 private slots:
     void revert();
     void submit();

 private:
     int addNewAlbum(const QString &title, int artistId);
     int addNewArtist(const QString &name);
     void addTracks(int albumId, QStringList tracks);
     QDialogButtonBox *createButtons();
     QGroupBox *createInputWidgets();
     int findArtistId(const QString &artist);
     int generateAlbumId();
     int generateArtistId();
     void increaseAlbumCount(QModelIndex artistIndex);
     QModelIndex indexOfArtist(const QString &artist);

     QSqlRelationalTableModel *model;
     QDomDocument albumDetails;
     QFile *outputFile;

     QLineEdit *artistEditor;
     QLineEdit *titleEditor;
     QSpinBox *yearEditor;
     QLineEdit *tracksEditor;
 };

 #endif


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Qt 4.4.3