| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). |
| ** All rights reserved. |
| ** Contact: Nokia Corporation (qt-info@nokia.com) |
| ** |
| ** This file is part of the QtSql module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
| ** This file may be used under the terms of the GNU Lesser General Public |
| ** License version 2.1 as published by the Free Software Foundation and |
| ** appearing in the file LICENSE.LGPL included in the packaging of this |
| ** file. Please review the following information to ensure the GNU Lesser |
| ** General Public License version 2.1 requirements will be met: |
| ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
| ** |
| ** In addition, as a special exception, Nokia gives you certain additional |
| ** rights. These rights are described in the Nokia Qt LGPL Exception |
| ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU General |
| ** Public License version 3.0 as published by the Free Software Foundation |
| ** and appearing in the file LICENSE.GPL included in the packaging of this |
| ** file. Please review the following information to ensure the GNU General |
| ** Public License version 3.0 requirements will be met: |
| ** http://www.gnu.org/copyleft/gpl.html. |
| ** |
| ** Other Usage |
| ** Alternatively, this file may be used in accordance with the terms and |
| ** conditions contained in a signed written agreement between you and Nokia. |
| ** |
| ** |
| ** |
| ** |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QSQLRELATIONALTABLEMODEL_H |
| #define QSQLRELATIONALTABLEMODEL_H |
| |
| #include <QtSql/qsqltablemodel.h> |
| |
| QT_BEGIN_HEADER |
| |
| QT_BEGIN_NAMESPACE |
| |
| QT_MODULE(Sql) |
| |
| class Q_SQL_EXPORT QSqlRelation |
| { |
| public: |
| QSqlRelation() {} |
| QSqlRelation(const QString &aTableName, const QString &indexCol, |
| const QString &displayCol) |
| : tName(aTableName), iColumn(indexCol), dColumn(displayCol) {} |
| inline QString tableName() const |
| { return tName; } |
| inline QString indexColumn() const |
| { return iColumn; } |
| inline QString displayColumn() const |
| { return dColumn; } |
| inline bool isValid() const |
| { return !(tName.isEmpty() || iColumn.isEmpty() || dColumn.isEmpty()); } |
| private: |
| QString tName, iColumn, dColumn; |
| }; |
| |
| class QSqlRelationalTableModelPrivate; |
| |
| class Q_SQL_EXPORT QSqlRelationalTableModel: public QSqlTableModel |
| { |
| Q_OBJECT |
| |
| public: |
| explicit QSqlRelationalTableModel(QObject *parent = 0, |
| QSqlDatabase db = QSqlDatabase()); |
| virtual ~QSqlRelationalTableModel(); |
| |
| QVariant data(const QModelIndex &item, int role = Qt::DisplayRole) const; |
| bool setData(const QModelIndex &item, const QVariant &value, int role = Qt::EditRole); |
| bool removeColumns(int column, int count, const QModelIndex &parent = QModelIndex()); |
| |
| void clear(); |
| bool select(); |
| |
| void setTable(const QString &tableName); |
| virtual void setRelation(int column, const QSqlRelation &relation); |
| QSqlRelation relation(int column) const; |
| virtual QSqlTableModel *relationModel(int column) const; |
| |
| public Q_SLOTS: |
| void revertRow(int row); |
| |
| protected: |
| QString selectStatement() const; |
| bool updateRowInTable(int row, const QSqlRecord &values); |
| bool insertRowIntoTable(const QSqlRecord &values); |
| QString orderByClause() const; |
| |
| private: |
| Q_DECLARE_PRIVATE(QSqlRelationalTableModel) |
| }; |
| |
| QT_END_NAMESPACE |
| |
| QT_END_HEADER |
| |
| #endif // QSQLRELATIONALTABLEMODEL_H |