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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-08 12:31:36 -0600
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-08 12:31:36 -0600
commitd796c9dd933ab96ec83b9a634feedd5d32e1ba3f (patch)
tree6e3dcca4f77e20ec8966c666aac7c35bd4704053 /src/sql/qsqlselectcursor.cpp
downloadtqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.tar.gz
tqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.zip
Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731
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+/****************************************************************************
+**
+** Definition of TQSqlSelectCursor class
+**
+** Created : 2002-11-13
+**
+** Copyright (C) 2005-2008 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 files LICENSE.GPL2
+** and LICENSE.GPL3 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.
+**
+**********************************************************************/
+
+#include "qsqlselectcursor.h"
+#include "qsqldriver.h"
+
+#ifndef QT_NO_SQL
+
+class TQSqlSelectCursorPrivate
+{
+public:
+ TQSqlSelectCursorPrivate() : populated( FALSE ) {}
+ TQString query;
+ bool populated : 1;
+};
+
+/*!
+ \class TQSqlSelectCursor qsqlselectcursor.h
+ \brief The TQSqlSelectCursor class provides browsing of general SQL
+ SELECT statements.
+
+ \ingroup database
+ \module sql
+
+ TQSqlSelectCursor is a convenience class that makes it possible to
+ display result sets from general SQL \c SELECT statements in
+ data-aware TQt widgets. TQSqlSelectCursor is read-only and does not
+ support \c INSERT, \c UPDATE or \c DELETE operations.
+
+ Pass the query in at construction time, or use the
+ TQSqlSelectCursor::exec() function.
+
+ Example:
+ \code
+ ...
+ TQSqlSelectCursor* cur = new TQSqlSelectCursor( "SELECT id, firstname, lastname FROM author" );
+ TQDataTable* table = new TQDataTable( this );
+ table->setSqlCursor( cur, TRUE, TRUE );
+ table->refresh();
+ ...
+ cur->exec( "SELECT * FROM books" );
+ table->refresh();
+ ...
+ \endcode
+*/
+
+/*!
+ Constructs a read only cursor on database \a db using the query \a query.
+ */
+TQSqlSelectCursor::TQSqlSelectCursor( const TQString& query, TQSqlDatabase* db )
+ : TQSqlCursor( TQString::null, FALSE, db )
+{
+ d = new TQSqlSelectCursorPrivate;
+ d->query = query;
+ TQSqlCursor::setMode( ReadOnly );
+ if ( !query.isNull() )
+ exec( query );
+}
+
+/*! Constructs a copy of \a other */
+TQSqlSelectCursor::TQSqlSelectCursor( const TQSqlSelectCursor& other )
+ : TQSqlCursor( other )
+{
+ d = new TQSqlSelectCursorPrivate;
+ d->query = other.d->query;
+ d->populated = other.d->populated;
+}
+
+/*! Destroys the object and frees any allocated resources */
+TQSqlSelectCursor::~TQSqlSelectCursor()
+{
+ delete d;
+}
+
+/*! \reimp */
+bool TQSqlSelectCursor::exec( const TQString& query )
+{
+ d->query = query;
+ bool ret = TQSqlCursor::exec( query );
+ if ( ret ) {
+ TQSqlCursor::clear();
+ populateCursor();
+ }
+ return ret;
+}
+
+/*! \fn bool TQSqlSelectCursor::select()
+ \reimp
+*/
+
+/*! \reimp */
+bool TQSqlSelectCursor::select( const TQString&, const TQSqlIndex& )
+{
+ bool ret = TQSqlCursor::exec( d->query );
+ if ( ret && !d->populated )
+ populateCursor();
+ return ret;
+}
+
+/*! \internal */
+void TQSqlSelectCursor::populateCursor()
+{
+ TQSqlRecordInfo inf = driver()->recordInfo( *(TQSqlQuery*)this );
+ for ( TQSqlRecordInfo::const_iterator it = inf.begin(); it != inf.end(); ++it )
+ TQSqlCursor::append( *it );
+ d->populated = TRUE;
+}
+
+/*! \fn TQSqlIndex TQSqlSelectCursor::primaryIndex( bool ) const
+ \reimp
+*/
+
+/*! \fn TQSqlIndex TQSqlSelectCursor::index( const TQStringList& ) const
+ \reimp
+*/
+
+/*! \fn TQSqlIndex TQSqlSelectCursor::index( const TQString& ) const
+ \reimp
+*/
+
+/*! \fn TQSqlIndex TQSqlSelectCursor::index( const char* ) const
+ \reimp
+*/
+
+/*! \fn void TQSqlSelectCursor::setPrimaryIndex( const TQSqlIndex& )
+ \reimp
+*/
+
+/*! \fn void TQSqlSelectCursor::append( const TQSqlFieldInfo& )
+ \reimp
+*/
+
+/*! \fn void TQSqlSelectCursor::insert( int, const TQSqlFieldInfo& )
+ \reimp
+*/
+
+/*! \fn void TQSqlSelectCursor::remove( int )
+ \reimp
+*/
+
+/*! \fn void TQSqlSelectCursor::clear()
+ \reimp
+*/
+
+/*! \fn void TQSqlSelectCursor::setGenerated( const TQString&, bool )
+ \reimp
+*/
+
+/*! \fn void TQSqlSelectCursor::setGenerated( int, bool )
+ \reimp
+*/
+
+/*! \fn TQSqlRecord* TQSqlSelectCursor::editBuffer( bool )
+ \reimp
+*/
+
+/*! \fn TQSqlRecord* TQSqlSelectCursor::primeInsert()
+ \reimp
+*/
+
+/*! \fn TQSqlRecord* TQSqlSelectCursor::primeUpdate()
+ \reimp
+*/
+
+/*! \fn TQSqlRecord* TQSqlSelectCursor::primeDelete()
+ \reimp
+*/
+
+/*! \fn int TQSqlSelectCursor::insert( bool )
+ \reimp
+*/
+
+/*! \fn int TQSqlSelectCursor::update( bool )
+ \reimp
+*/
+
+/*! \fn int TQSqlSelectCursor::del( bool )
+ \reimp
+*/
+
+/*! \fn void TQSqlSelectCursor::setMode( int )
+ \reimp
+*/
+
+/*! \fn void TQSqlSelectCursor::setSort( const TQSqlIndex& )
+ \reimp
+*/
+
+/*! \fn TQSqlIndex TQSqlSelectCursor::sort() const
+ \reimp
+*/
+
+/*! \fn void TQSqlSelectCursor::setFilter( const TQString& )
+ \reimp
+*/
+
+/*! \fn TQString TQSqlSelectCursor::filter() const
+ \reimp
+*/
+
+/*! \fn void TQSqlSelectCursor::setName( const TQString&, bool )
+ \reimp
+*/
+
+/*! \fn TQString TQSqlSelectCursor::name() const
+ \reimp
+*/
+
+/*! \fn TQString TQSqlSelectCursor::toString( const TQString&, const TQString& ) const
+ \reimp
+*/
+#endif // QT_NO_SQL