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Diffstat (limited to 'src/qt3support/sql/q3sqlcursor.h')
| -rw-r--r-- | src/qt3support/sql/q3sqlcursor.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/src/qt3support/sql/q3sqlcursor.h b/src/qt3support/sql/q3sqlcursor.h new file mode 100644 index 0000000..85bb457 --- /dev/null +++ b/src/qt3support/sql/q3sqlcursor.h @@ -0,0 +1,167 @@ +/**************************************************************************** +** +** 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 Qt3Support module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef Q3SQLCURSOR_H +#define Q3SQLCURSOR_H + +#include <QtCore/qvariant.h> +#include <QtSql/qsqldatabase.h> +#include <QtSql/qsqlrecord.h> +#include <QtCore/qstringlist.h> +#include <QtSql/qsqlquery.h> +#include <QtSql/qsqlindex.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Qt3Support) + +#ifndef QT_NO_SQL + +class Q3SqlCursorPrivate; +class Q3SqlFieldInfo; + +class Q_COMPAT_EXPORT Q3SqlCursor : public QSqlRecord, public QSqlQuery +{ +public: + Q3SqlCursor(const QString & name = QString(), bool autopopulate = true, + QSqlDatabase db = QSqlDatabase()); + Q3SqlCursor(const Q3SqlCursor & other); + Q3SqlCursor& operator=(const Q3SqlCursor& other); + virtual ~Q3SqlCursor(); + + enum Mode { + ReadOnly = 0, + Insert = 1, + Update = 2, + Delete = 4, + Writable = 7 + }; + + QVariant value(int i) const; + inline QVariant value(const QString &name) const { return value(indexOf(name)); } + virtual void setValue(int i, const QVariant &val); + inline void setValue(const QString &name, const QVariant &val) { setValue(indexOf(name), val); } + virtual QSqlIndex primaryIndex(bool prime = true) const; + virtual QSqlIndex index(const QStringList& fieldNames) const; + QSqlIndex index(const QString& fieldName) const; + virtual void setPrimaryIndex(const QSqlIndex& idx); + + virtual void append(const Q3SqlFieldInfo& fieldInfo); + virtual void insert(int pos, const Q3SqlFieldInfo &fieldInfo); + virtual void remove(int pos); + virtual void clear(); + virtual void setGenerated(const QString& name, bool generated); + virtual void setGenerated(int i, bool generated); + + virtual QSqlRecord* editBuffer(bool copy = false); + virtual QSqlRecord* primeInsert(); + virtual QSqlRecord* primeUpdate(); + virtual QSqlRecord* primeDelete(); + virtual int insert(bool invalidate = true); + virtual int update(bool invalidate = true); + virtual int del(bool invalidate = true); + + virtual void setMode(int flags); + int mode() const; + virtual void setCalculated(const QString& name, bool calculated); + bool isCalculated(const QString& name) const; + virtual void setTrimmed(const QString& name, bool trim); + bool isTrimmed(const QString& name) const; + + bool isReadOnly() const; + bool canInsert() const; + bool canUpdate() const; + bool canDelete() const; + + bool select(); + bool select(const QSqlIndex& sort); + bool select(const QSqlIndex & filter, const QSqlIndex & sort); + virtual bool select(const QString & filter, const QSqlIndex & sort = QSqlIndex()); + + virtual void setSort(const QSqlIndex& sort); + QSqlIndex sort() const; + virtual void setFilter(const QString& filter); + QString filter() const; + virtual void setName(const QString& name, bool autopopulate = true); + QString name() const; + QString toString(const QString& prefix = QString(), + const QString& sep = QLatin1String(",")) const; + bool isNull(int i) const; + bool isNull(const QString& name) const; + virtual bool seek(int i, bool relative = false); + virtual bool next(); + inline bool previous() { return prev(); } + virtual bool prev(); + virtual bool first(); + virtual bool last(); + +protected: + virtual bool exec(const QString & sql); + + virtual QVariant calculateField(const QString& name); + virtual int update(const QString & filter, bool invalidate = true); + virtual int del(const QString & filter, bool invalidate = true); + + virtual QString toString(const QString& prefix, QSqlField* field, const QString& fieldSep) const; + virtual QString toString(QSqlRecord* rec, const QString& prefix, const QString& fieldSep, + const QString& sep) const; + virtual QString toString(const QSqlIndex& i, QSqlRecord* rec, const QString& prefix, + const QString& fieldSep, const QString& sep) const; + +private: + void sync(); + int apply(const QString& q, bool invalidate); + int applyPrepared(const QString& q, bool invalidate); + QSqlRecord& operator=(const QSqlRecord & list); + void append(const QSqlField& field); + + Q3SqlCursorPrivate* d; +}; + +#endif // QT_NO_SQL + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // Q3SQLCURSOR_H |