// $Revision: 1.4 $
//------------------------------------------------------------------------------
//
// Copyright (C) 1994, 1995 Taligent, Inc. All rights reserved.
//
// Project:			TaligentSelectionTool
// File:			SelectionToolTarget.h
// Build/Version:	1.0.0
//
// Description:		Define base functionality for selection tool targets and provide
//					shared feedback implementation.
//
//------------------------------------------------------------------------------

#ifndef TaligentSamples_SELECTIONTOOLTARGET
#define TaligentSamples_SELECTIONTOOLTARGET

class TSelectionToolTarget;

#ifndef Taligent_CURSORTOOLS
#include <Taligent/CursorTools.h>
#endif
#ifndef Taligent_TRANSFORMS
#include <Taligent/Transforms.h>
#endif
#ifndef Taligent_VIEWHANDLE
#include <Taligent/ViewHandle.h>
#endif
#ifndef Taligent_AREAGEOMETRY
#include <Taligent/AreaGeometry.h>
#endif
class TModelSelection;			//from <Taligent/CompoundDocument.h>
class MFeedbacker;				//from Feedbacker.h
class MSelectionMapping;		//from SelectionMapping.h

//................................................................................

class TSelectionToolTarget : public MToolTarget {
public:
	TaligentTypeExtensionDeclarationsMacro_Abstract(TSelectionToolTarget)
public:
								TSelectionToolTarget(MFeedbacker* feedbacker, 
									MSelectionMapping* mapping);
	virtual						~TSelectionToolTarget();
	
	virtual TModelSelection*	GetSelection() const = 0;
	TGArea						GetSelectionDisplayArea() const;
	
	void						AdoptFeedback(MGraphic* graphic);
	MGraphic*					OrphanFeedback();
	MGraphic*					ReplaceFeedback(MGraphic* newFeedback);

	TViewHandle					GetCoordinateView() const;

protected:
	MFeedbacker*				GetFeedbacker() const;
	MSelectionMapping*			GetMapping() const;
	const TGrafMatrix*			GetCoordMapping() const;				
	
private:
	MFeedbacker*				fFeedbacker;
	MSelectionMapping*			fMapping;
	MGraphic*					fFeedback;
	TGrafMatrix					fCoordMapping;
};

#endif