CAF_Study.h

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// Copyright (C) 2007-2016  CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//

#ifndef CAF_STUDY_H
#define CAF_STUDY_H

#include "CAF.h"

#include "SUIT_Study.h"

#include <TDocStd_Document.hxx>
#include <TDocStd_Application.hxx>

class CAF_Application;

#if defined WIN32
#pragma warning ( disable: 4251 )
#endif

class CAF_EXPORT CAF_Study : public SUIT_Study
{
  Q_OBJECT

public:
  CAF_Study( SUIT_Application* theApp );
  CAF_Study( SUIT_Application* theApp, Handle(TDocStd_Document)& aStdDoc );
  virtual ~CAF_Study();

  virtual bool                createDocument( const QString& );
  virtual void                closeDocument( bool = true );
  virtual bool                openDocument( const QString& );

  virtual bool                saveDocumentAs( const QString& );

  bool                        isSaved() const;
  bool                        isModified() const;
  void                        doModified( bool = true );
  void                        undoModified();
  void                        clearModified();
  
  bool                        undo();
  bool                        redo();
  bool                        canUndo() const;
  bool                        canRedo() const;
  QStringList                 undoNames() const;
  QStringList                 redoNames() const;
  
  Handle(TDocStd_Document)    stdDoc() const;

protected:
  Handle(TDocStd_Application) stdApp() const;
  CAF_Application*            cafApplication() const;

  virtual bool                openTransaction();
  virtual bool                abortTransaction();
  virtual bool                hasTransaction() const;
  virtual bool                commitTransaction( const QString& = QString() );

  virtual void                setStdDoc( Handle(TDocStd_Document)& );

private:
  Handle(TDocStd_Document)    myStdDoc;
  int                         myModifiedCnt;

  friend class CAF_Operation;
};

#if defined WIN32
#pragma warning ( default: 4251 )
#endif

#endif