qdatabrowser.h Include File

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# qdatabrowser.h

This is the verbatim text of the qdatabrowser.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    **
    ** Definition of QDataBrowser class
    **
    ** Created : 2000-11-03
    **
    ** Copyright (C) 2005 Trolltech AS.  All rights reserved.
    **
    ** This file is part of the sql module of the Qt GUI Toolkit.
    **
    ** This file may be distributed under the terms of the Q Public License
    ** as defined by Trolltech AS of Norway and appearing in the file
    ** LICENSE.QPL included in the packaging of this file.
    **
    ** This file may be distributed and/or modified under the terms of the
    ** GNU General Public License version 2 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file.
    **
    ** Licensees holding valid Qt Enterprise Edition licenses may use this
    ** file in accordance with the Qt Commercial License Agreement provided
    ** with the Software.
    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    **   information about Qt Commercial License Agreements.
    ** See http://www.trolltech.com/qpl/ for QPL licensing information.
    ** See http://www.trolltech.com/gpl/ for GPL licensing information.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
    ** not clear to you.
    **
    **********************************************************************/

    #ifndef QDATABROWSER_H
    #define QDATABROWSER_H

    #ifndef QT_H
    #include "qwidget.h"
    #include "qstring.h"
    #include "qstringlist.h"
    #include "qsql.h"
    #include "qsqlindex.h"
    #include "qsqlcursor.h"
    #include "qsqlerror.h"
    #endif // QT_H

    #ifndef QT_NO_SQL_VIEW_WIDGETS

    class QSqlForm;
    class QDataBrowserPrivate;

    class Q_EXPORT QDataBrowser : public QWidget
    {
        Q_OBJECT
        Q_PROPERTY( bool boundaryChecking READ boundaryChecking WRITE setBoundaryChecking )
        Q_PROPERTY( QString filter READ filter WRITE setFilter )
        Q_PROPERTY( QStringList sort READ sort WRITE setSort )
        Q_PROPERTY( bool confirmEdits READ confirmEdits WRITE setConfirmEdits )
        Q_PROPERTY( bool confirmInsert READ confirmInsert WRITE setConfirmInsert )
        Q_PROPERTY( bool confirmUpdate READ confirmUpdate WRITE setConfirmUpdate )
        Q_PROPERTY( bool confirmDelete READ confirmDelete WRITE setConfirmDelete )
        Q_PROPERTY( bool confirmCancels READ confirmCancels WRITE setConfirmCancels )
        Q_PROPERTY( bool readOnly READ isReadOnly WRITE setReadOnly )
        Q_PROPERTY( bool autoEdit READ autoEdit WRITE setAutoEdit )

    public:
        QDataBrowser( QWidget* parent=0, const char* name=0, WFlags fl = 0 );
        ~QDataBrowser();

        enum Boundary {
    	Unknown,
    	None,
    	BeforeBeginning,
    	Beginning,
    	End,
    	AfterEnd
        };

        Boundary boundary();
        void setBoundaryChecking( bool active );
        bool boundaryChecking() const;

        void setSort( const QSqlIndex& sort );
        void setSort( const QStringList& sort );
        QStringList  sort() const;
        void setFilter( const QString& filter );
        QString filter() const;
        virtual void setSqlCursor( QSqlCursor* cursor, bool autoDelete = FALSE );
        QSqlCursor* sqlCursor() const;
        virtual void setForm( QSqlForm* form );
        QSqlForm* form();

        virtual void setConfirmEdits( bool confirm );
        virtual void setConfirmInsert( bool confirm );
        virtual void setConfirmUpdate( bool confirm );
        virtual void setConfirmDelete( bool confirm );
        virtual void setConfirmCancels( bool confirm );
        bool confirmEdits() const;
        bool confirmInsert() const;
        bool confirmUpdate() const;
        bool confirmDelete() const;
        bool confirmCancels() const;

        virtual void setReadOnly( bool active );
        bool isReadOnly() const;
        virtual void setAutoEdit( bool autoEdit );
        bool autoEdit() const;

        virtual bool seek( int i, bool relative = FALSE );

    signals:
        void firstRecordAvailable( bool available );
        void lastRecordAvailable( bool available );
        void nextRecordAvailable( bool available );
        void prevRecordAvailable( bool available );

        void currentChanged( const QSqlRecord* record );
        void primeInsert( QSqlRecord* buf );
        void primeUpdate( QSqlRecord* buf );
        void primeDelete( QSqlRecord* buf );
        void beforeInsert( QSqlRecord* buf );
        void beforeUpdate( QSqlRecord* buf );
        void beforeDelete( QSqlRecord* buf );
        void cursorChanged( QSqlCursor::Mode mode );

    public slots:
        virtual void refresh();

        virtual void insert();
        virtual void update();
        virtual void del();

        virtual void first();
        virtual void last();
        virtual void next();
        virtual void prev();

        virtual void readFields();
        virtual void writeFields();
        virtual void clearValues();

        void updateBoundary();

    protected:
        virtual bool insertCurrent();
        virtual bool updateCurrent();
        virtual bool deleteCurrent();
        virtual bool currentEdited();

        virtual QSql::Confirm confirmEdit( QSql::Op m );
        virtual QSql::Confirm confirmCancel( QSql::Op m );

        virtual void handleError( const QSqlError& error );

    private:
        typedef bool (QSqlCursor::*Nav)();
        bool preNav();
        void postNav( bool primeUpd );
        void nav( Nav nav );
        QDataBrowserPrivate* d;

    #if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
        QDataBrowser( const QDataBrowser & );
        QDataBrowser &operator=( const QDataBrowser & );
    #endif
    };

    #endif
    #endif