src/flbase/FLSqlSavePoint.h

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/***************************************************************************
                           FLSqlSavePoint.h
                          -------------------
 begin                : Fri Nov 26 2004
 copyright            : (C) 2004-2005 by InfoSiAL S.L.
 email                : mail@infosial.com
***************************************************************************/
/***************************************************************************
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; version 2 of the License.               *
 ***************************************************************************/
/***************************************************************************
   Este  programa es software libre. Puede redistribuirlo y/o modificarlo
   bajo  los  términos  de  la  Licencia  Pública General de GNU   en  su
   versión 2, publicada  por  la  Free  Software Foundation.
 ***************************************************************************/

#ifndef FLSQLSAVEPOINT_H
#define FLSQLSAVEPOINT_H

#include <qptrstack.h>

#include "FLSqlCursor.h"

class FL_EXPORT opInfo : public QObject {
  Q_OBJECT
public:
  opInfo() : QObject( 0 ) {}
  opInfo( const QString & pK, const int o, const QSqlRecord & b, const int a, const QSqlIndex & s, const QString & f, const QString & n, FLSqlCursor * c ) : QObject( 0 ), primaryKey( pK ), op( o ), buffer( b ), at( a ), sort( s ), filter( f ), name( n ), cursor( c ) {
    connect( c, SIGNAL( destroyed() ), this, SLOT( cursorDestroyed() ) );
  }
  ~opInfo() { }
  QString primaryKey;
  int op;
  QSqlRecord buffer;
  int at;
  QSqlIndex sort;
  QString filter;
  QString name;
  FLSqlCursor * cursor;
public slots:
  void cursorDestroyed() {
    cursor = 0;
  }
};

class FL_EXPORT FLSqlSavePoint {

public:

  FLSqlSavePoint( int id = 0 );

  ~FLSqlSavePoint();

  void setId( int id ) {
    id_ = id;
  }

  int id() {
    return id_;
  }

  void clear();

  void undo();

  void saveInsert( const QString & primaryKey, QSqlRecord * buffer, FLSqlCursor * cursor );

  void saveEdit( const QString & primaryKey, QSqlRecord * buffer, FLSqlCursor * cursor );

  void saveDel( const QString & primaryKey, QSqlRecord * buffer, FLSqlCursor * cursor );

#ifdef FL_DEBUG
  static long countRefSavePoint;
#endif

private:

  void undoInsert( const opInfo * opInf );

  void undoEdit( const opInfo * opInf );

  void undoDel( const opInfo * opInf );

  QPtrStack < opInfo > * opInfos;

  int id_;
};

#endif