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It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** +** Definition of TQDataBrowser class +** +** Created : 2000-11-03 +** +** Copyright (C) 2005-2007 Trolltech ASA. All rights reserved. +** +** This file is part of the sql module of the TQt GUI Toolkit. +** +** This file may be used under the terms of the GNU General Public +** License versions 2.0 or 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Alternatively you may (at your option) use any +** later version of the GNU General Public License if such license has +** been publicly approved by Trolltech ASA (or its successors, if any) +** and the KDE Free TQt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing retquirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at sales@trolltech.com. +** +** This file may be used under the terms of the Q Public License as +** defined by Trolltech ASA and appearing in the file LICENSE.TQPL +** included in the packaging of this file. Licensees holding valid TQt +** Commercial licenses may use this file in accordance with the TQt +** Commercial License Agreement provided with the Software. +** +** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, +** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#ifndef TQDATABROWSER_H +#define TQDATABROWSER_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 TQSqlForm; +class TQDataBrowserPrivate; + +class Q_EXPORT TQDataBrowser : public TQWidget +{ + Q_OBJECT + Q_PROPERTY( bool boundaryChecking READ boundaryChecking WRITE setBoundaryChecking ) + Q_PROPERTY( TQString filter READ filter WRITE setFilter ) + Q_PROPERTY( TQStringList 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: + TQDataBrowser( TQWidget* parent=0, const char* name=0, WFlags fl = 0 ); + ~TQDataBrowser(); + + enum Boundary { + Unknown, + None, + BeforeBeginning, + Beginning, + End, + AfterEnd + }; + + Boundary boundary(); + void setBoundaryChecking( bool active ); + bool boundaryChecking() const; + + void setSort( const TQSqlIndex& sort ); + void setSort( const TQStringList& sort ); + TQStringList sort() const; + void setFilter( const TQString& filter ); + TQString filter() const; + virtual void setSqlCursor( TQSqlCursor* cursor, bool autoDelete = FALSE ); + TQSqlCursor* sqlCursor() const; + virtual void setForm( TQSqlForm* form ); + TQSqlForm* 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 TQSqlRecord* record ); + void primeInsert( TQSqlRecord* buf ); + void primeUpdate( TQSqlRecord* buf ); + void primeDelete( TQSqlRecord* buf ); + void beforeInsert( TQSqlRecord* buf ); + void beforeUpdate( TQSqlRecord* buf ); + void beforeDelete( TQSqlRecord* buf ); + void cursorChanged( TQSqlCursor::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 TQSql::Confirm confirmEdit( TQSql::Op m ); + virtual TQSql::Confirm confirmCancel( TQSql::Op m ); + + virtual void handleError( const TQSqlError& error ); + +private: + typedef bool (TQSqlCursor::*Nav)(); + bool preNav(); + void postNav( bool primeUpd ); + void nav( Nav nav ); + TQDataBrowserPrivate* d; + +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + TQDataBrowser( const TQDataBrowser & ); + TQDataBrowser &operator=( const TQDataBrowser & ); +#endif +}; + + +#endif +#endif +</pre> +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>TQt 3.3.8</div> +</table></div></address></body> +</html> |