queriesbuilder.h

/***************************************************************************
 queriesbuilder.h
 -------------------
 copyright : (C) 2009 CREALP Lucien Schreiber
 ***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   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; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef _QUERIESBUILDER_H
#define _QUERIESBUILDER_H
 
// For compilers that support precompilation, includes "wx/wx.h".
#include <wx/wxprec.h>
// Include wxWidgets' headers
#ifndef WX_PRECOMP
#include <wx/wx.h>
#endif
 
#include "queriesdata.h"
 
class DataBaseTM;
 
class QueriesBuilder {
  private:
    QueriesData* m_QueryData;
    bool m_IsCreated;
 
    bool _IsQueryNull();
 
    bool _IsCreated();
 
    // private creating function
    bool _CreateLayersQuery();
 
    bool _CreateSelectionQuery();
 
    bool _CreateObjectQuery();
 
    bool _CreateGeomLineQuery();
 
    bool _CreateGeomNodeQuery();
 
    bool _CreateDuplicateQuery();
 
    bool _CreateCrossingQuery();
 
  public:
    QueriesBuilder(QueriesData* query);
 
    ~QueriesBuilder();
 
    bool IsOk();
 
    bool Save(DataBaseTM* database);
 
    bool Create(DataBaseTM* database);
};
 
#endif