// Paper.h: interface for the CPaper class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_PAPER_H__71DB3C9E_7AC1_42B6_9BCA_A6F9D865F389__INCLUDED_)
#define AFX_PAPER_H__71DB3C9E_7AC1_42B6_9BCA_A6F9D865F389__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "Panel.h"

class CPaper : public CPanel  
{
private:
	int links[NUMBER_OF_TOGLLE_BUTTON];
	Bitmap *bmpBackGround;
	Bitmap *bmpLittle;
	OrgElement**	orgElements;
	int	countOrgElements;
	Bitmap **bmpElements;
	Bitmap *xbmpElements[NUMBER_OF_TOGLLE_BUTTON];

	OrgBond** orgBonds;
	int countOrgBonds;
	int startBondIndex;

	POINT *tempStart;
	POINT tempEnd;
	POINT *highStart;	//about highlighting
	POINT highEnd;
	int term,lastTime;
	bool bMouseDown;
	POINT *movementStart;
	POINT movementEnd;

	struct MovingElement{
		OrgElement* orgElement;
		int newx;
		int newy;
		int eleIndex;
	};
	MovingElement** movingElements;
	int countMovingElements;

	struct MovingBond{
		OrgBond *orgBond;
		POINT newStart;
		POINT newEnd;
		bool hasStart;
		bool hasEnd;
	};
	MovingBond** movingBonds;
	int countMovingBonds;
	bool bMoving;

	void DrawBond(HDC hDC,int iBondType,POINT ptStart,POINT ptEnd,bool);
public:
	void getReadyForACompound();
	int checkingForLoops(int fromIndex,int index);
	void ClearAll();
	void DrawLine(HDC hDC,int startx,int starty,int endx,int endy);
	void HighlightLine(HDC hDC);
	void SetElements(Bitmap** bmpElements);
	void MouseButtonUp(int x,int y,bool bLeft);
	int MouseButtonDown(int x,int y, bool bLeft,WPARAM wParam);
	void MouseMove(int x,int y);
	CPaper(int ix,int iy,int iLayerWidth,int iLayerHeight,int iwidth,int iheight,UINT uiBG);
	virtual ~CPaper();
	void DrawScreen(HDC hDC);
};

#endif // !defined(AFX_PAPER_H__71DB3C9E_7AC1_42B6_9BCA_A6F9D865F389__INCLUDED_)