// $Revision: 1.4 $
// Copyright (C) 1994 Taligent, Inc. All rights reserved.
#ifndef TaligentSamples_GRAPHICDOCUMENTVIEW
#define TaligentSamples_GRAPHICDOCUMENTVIEW
//-----------------------------------------------------------------------------
//
// Copyright (C) 1995 Taligent, Inc. All rights reserved.
//
// Project:       WebRunner Sample
// File:          WebPresenter.h
// Build/Version: 1.0.0
//
//-----------------------------------------------------------------------------

#ifndef TaligentSamples_DROPACCEPTOR
#include <Taligent/DropAcceptor.h>
#endif
#ifndef TaligentSamples_GUICOMPOUNDDOCUMENT
#include <Taligent/GUICompoundDocument.h>
#endif
#ifndef TaligentSamples_ATOMICMODEL
#include <AtomicModel.h>
#endif

//=============================================================================
// TGraphicDocumentView

class TGraphicDocumentView : public TDocumentComponentView,
                             public MDropAcceptor, public MMouseEventHandler {
  public:
	VersionDeclarationsMacro(TGraphicDocumentView);
  public:
	                    TGraphicDocumentView(TGUIBundle* bundle);
	
	virtual TStream&    operator>>=(TStream& toStream) const;
	virtual TStream&    operator<<=(TStream& fromStream);

	virtual void        DrawContents(TGrafPort& port) const;
	void                HandleAllocatedAreaChanged(const TGArea& newArea);

	virtual bool        MouseDown(TMouseDownEvent& event);
	
  protected:
	                    TGraphicDocumentView();
	                    TGraphicDocumentView(
									const TGraphicDocumentView& source);

	virtual bool        ChoosePreferredType(const TGPoint& whereDropped,
						   const TSequenceOf<TTypeDescription>& availableTypes,
						   TTypeDescription& chosenType) const;
	bool                AcceptDrop(const TGPoint& droppedAt,
					               const TTypeDescription& type,
					               const TScrapItem& item);
	
	const MGraphic*     LookupGraphic() const;
	void                AdoptGraphic(MGraphic* toGraphic) const;

  private:
	enum                {kOriginalVersion};
	TGrafMatrix         fGrafMatrix;
};

#endif