qsqlquerymodel.h

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00007 ** This file is part of the QtSql module of the Qt Toolkit.
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00041 
00042 #ifndef QSQLQUERYMODEL_H
00043 #define QSQLQUERYMODEL_H
00044 
00045 #include <QtCore/qabstractitemmodel.h>
00046 #include <QtSql/qsqldatabase.h>
00047 
00048 QT_BEGIN_HEADER
00049 
00050 QT_BEGIN_NAMESPACE
00051 
00052 QT_MODULE(Sql)
00053 
00054 class QSqlQueryModelPrivate;
00055 class QSqlError;
00056 class QSqlRecord;
00057 class QSqlQuery;
00058 
00059 class Q_SQL_EXPORT QSqlQueryModel: public QAbstractTableModel
00060 {
00061     Q_OBJECT
00062     Q_DECLARE_PRIVATE(QSqlQueryModel)
00063 
00064 public:
00065     explicit QSqlQueryModel(QObject *parent = 0);
00066     virtual ~QSqlQueryModel();
00067 
00068     int rowCount(const QModelIndex &parent = QModelIndex()) const;
00069     int columnCount(const QModelIndex &parent = QModelIndex()) const;
00070     QSqlRecord record(int row) const;
00071     QSqlRecord record() const;
00072 
00073     QVariant data(const QModelIndex &item, int role = Qt::DisplayRole) const;
00074     QVariant headerData(int section, Qt::Orientation orientation,
00075                         int role = Qt::DisplayRole) const;
00076     bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value,
00077                        int role = Qt::EditRole);
00078 
00079     bool insertColumns(int column, int count, const QModelIndex &parent = QModelIndex());
00080     bool removeColumns(int column, int count, const QModelIndex &parent = QModelIndex());
00081 
00082     void setQuery(const QSqlQuery &query);
00083     void setQuery(const QString &query, const QSqlDatabase &db = QSqlDatabase());
00084     QSqlQuery query() const;
00085 
00086     virtual void clear();
00087 
00088     QSqlError lastError() const;
00089 
00090     void fetchMore(const QModelIndex &parent = QModelIndex());
00091     bool canFetchMore(const QModelIndex &parent = QModelIndex()) const;
00092 
00093 protected:
00094     virtual void queryChange();
00095 
00096     QModelIndex indexInQuery(const QModelIndex &item) const;
00097     void setLastError(const QSqlError &error);
00098     QSqlQueryModel(QSqlQueryModelPrivate &dd, QObject *parent = 0);
00099 };
00100 
00101 QT_END_NAMESPACE
00102 
00103 QT_END_HEADER
00104 
00105 #endif // QSQLQUERYMODEL_H