// $Revision: 1.26 $
//------------------------------------------------------------------------------
//
// Copyright (C) 1994, 1995 Taligent, Inc. All rights reserved.
//
// Project:			StockBrowser
// File:			PickerView.h
// Build/Version:	1.0.0
//
// Description:		TPickerView displays a linear list of stocks from which
//					the user can select one or many.
//
//------------------------------------------------------------------------------

#ifndef TaligentSamples_PICKERVIEW
#define TaligentSamples_PICKERVIEW

class TPickerView;

#ifndef TaligentSamples_PICKERMODEL
#include "PickerModel.h"
#endif

#ifndef TaligentSamples_DRAGOMATIC
#include <DragOMatic.h>
#endif

#ifndef Taligent_TEXTDISPLAY
#include <Taligent/TextDisplay.h>
#endif

//==============================================================================
// TPickerView

class TPickerView : public TDOMDocumentComponentView {
public:
	TaligentTypeExtensionDeclarationsMacro(TPickerView)
	
								TPickerView();
								TPickerView(
									TGUIBundle* guiBundleToAlias,
									const TPaint& backgroundColor = TColorPaint::GetWhite());
	virtual						~TPickerView();
	
	virtual TStream&			operator>>=(TStream& toStream) const;
	virtual TStream&			operator<<=(TStream& fromStream);

protected:
	virtual void				DrawContents(TGrafPort& port) const;

	virtual void				HandleAfterConnectionToViewRoot();
	virtual void				HandleModelChanged(const TNotification& notification);

	// MSelectionMapping overrides
	virtual TGArea				GetSelectionDisplayArea(const TModelSelection& selection) const;
	virtual TModelSelection*	CreateInsertionPoint(const TGPoint& where) const;
	virtual TModelSelection*	CreateSelectionFromPoint(const TGPoint& where) const;	
	virtual TModelSelection*	CreateSelectionFromArea(const TGArea& area) const;	
	
private:
	enum						{kOriginalVersion};

								TPickerView(const TPickerView& source);
	TPickerView&				operator=(const TPickerView& source);
	
	void						CacheDisplaysAndUpdate();
	bool						GetDisplaysHit(const TGArea& hitRect,
									TCollectionOf<TTextDisplay>& fill) const;

	TPaint*						fBackgroundPaint;
	TDequeOf<TTextDisplay>		fNameDisplays;
};

#endif