// $Revision: 1.11 $
//------------------------------------------------------------------------------
//
// Copyright (C) 1994, 1995 Taligent, Inc. All rights reserved.
//
// Project:			StockBrowser
// File:			ViewerDrawers.h
// Build/Version:	1.0.0
//
// Description:		TPriceDrawer graphs stock price information, consisting
//					of high price, low price and closing price.
//
//					TVolumeDrawer graphs stock trading volume information.
//
//------------------------------------------------------------------------------

#ifndef TaligentSamples_VIEWERDRAWERS
#define TaligentSamples_VIEWERDRAWERS

#ifndef TaligentSamples_BARDRAWER
#include <BarDrawer.h>
#endif

#ifndef TaligentSamples_STOCKDAY
#include <StockDay.h>
#endif

#ifndef TaligentSamples_GRAPHRANGE
#include <GraphRange.h>				// Included for GraphValue
#endif

#ifndef Taligent_GRAPHICS
#include <Taligent/Graphics.h>		// Included for TArea and TLine
#endif

//==============================================================================
// TPriceDrawer

class TPriceDrawer : public TGraphDrawer {
public:
	TaligentTypeExtensionDeclarationsMacro(TPriceDrawer)
	
public:
								TPriceDrawer(GraphValue dataPointWidth,
									GraphValue dataPointInterval,
									TCollectionOf<TStockDay>* stocksForAdoption);		
								TPriceDrawer(const TPriceDrawer& source);
	virtual						~TPriceDrawer();
	
	TPriceDrawer&				operator=(const TPriceDrawer& source);
	virtual TStream&			operator>>=(TStream& toStream) const;
	virtual TStream&			operator<<=(TStream& fromStream);
	
	virtual	GraphValue			GetDataPointWidth() const;
	virtual	GraphValue			GetDataPointInterval() const;
	virtual	void				SetDataPointWidth(GraphValue width);
	virtual	void				SetDataPointInterval(GraphValue interval);
	virtual	void				SetLineColor(const TColor& color);
	virtual	void				SetBoxColor(const TColor& color);
	virtual	void				SetBoxSize(const TGPoint& size);
	
	//...................................................................
	// TGraphDrawer overrides

	virtual	void				DrawIntoGraph(TGrafPort& port) const;
	virtual	TGRect				GetBounds() const;

protected:
								TPriceDrawer();		// For streaming only

private:
	void						CopyStocks(const TCollectionOf<TStockDay>& source);
	void						DeleteStocks();

	enum 						{kOriginalVersion};
	
	TCollectionOf<TStockDay>*	fStocks;
	GraphValue					fDataPointWidth;
	GraphValue					fDataPointInterval;
	TLine						fLine;
	TArea						fClosePriceBox;
};


//==============================================================================
// TVolumeDrawer

class TVolumeDrawer : public TBarDrawer {
public:
	TaligentTypeExtensionDeclarationsMacro(TVolumeDrawer)
	
public:
						TVolumeDrawer(
							GraphValue xAxisLocation,
							GraphValue barWidth,
							GraphValue barInterval,
							const TCollectionOf<TStockDay>& stocks);
						TVolumeDrawer(const TVolumeDrawer& source);
	virtual 			~TVolumeDrawer();
	
	TVolumeDrawer&		operator=(const TVolumeDrawer& source);
	virtual	TStream&	operator>>=(TStream& toStream) const;
	virtual	TStream&	operator<<=(TStream& fromStream);
	
	void				SetVolumeInformation(const TCollectionOf<TStockDay>& stocks);

protected:
						TVolumeDrawer();	// For streaming only	

private:
	enum 				{kOriginalVersion};
};

#endif