TGo4CanvasProxy.h

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// $Id: TGo4CanvasProxy.h 1352 2015-01-27 10:03:25Z linev $
//-----------------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//         Experiment Data Processing at EE department, GSI
//-----------------------------------------------------------------------
// Copyright (C) 2000- GSI Helmholtzzentrum für Schwerionenforschung GmbH
//                     Planckstr. 1, 64291 Darmstadt, Germany
// Contact:            http://go4.gsi.de
//-----------------------------------------------------------------------
// This software can be used under the license agreements as stated
// in Go4License.txt file which is part of the distribution.
//-----------------------------------------------------------------------

#ifndef TGO4CANVASPROXY_H
#define TGO4CANVASPROXY_H

#include "TGo4Proxy.h"

#include "TCanvas.h"

class TGo4CanvasProxy : public TGo4Proxy {
   public:
      TGo4CanvasProxy();
      TGo4CanvasProxy(TCanvas* c, Bool_t owner = kFALSE);
      virtual ~TGo4CanvasProxy();

      virtual Bool_t HasSublevels() const { return fCanvas!=0; }
      virtual Int_t GetObjectKind();
      virtual const char* GetContainedClassName();

      virtual void Initialize(TGo4Slot* slot);
      virtual void Finalize(TGo4Slot* slot);
      virtual Bool_t RemoveRegisteredObject(TObject* obj);

      virtual TGo4LevelIter* MakeIter()
        { return (fCanvas==0) ? 0 : ProduceIter(fCanvas); }

      virtual TGo4Access* ProvideAccess(const char* name)
        { return CreateAccess(fCanvas, name); }

      virtual void WriteData(TGo4Slot* slot, TDirectory* dir, Bool_t onlyobjs);
      virtual void ReadData(TGo4Slot* slot, TDirectory* dir);

      virtual Bool_t IsAcceptObject(TClass* cl);
      virtual Bool_t AssignObject(TGo4Slot* slot, TObject* obj, Bool_t owner);
      virtual TObject* GetAssignedObject();

      static TGo4Access* CreateAccess(TCanvas* canv, const char* name);
      static TGo4LevelIter* ProduceIter(TCanvas* canv);

   protected:
      TCanvas* fCanvas;          
      Bool_t   fOwner;           

   ClassDef(TGo4CanvasProxy, 1);
};


#endif