#pragma once

#include "itemcurve.h"
#include "HandleDrawer.h"
#include <memory>

namespace NItem
{
#define DRAG_NODE_DEFAULT		0		//????????
#define DRAG_NODE_LINE			1		//??????
#define DRAG_NODE_COS			2		//??????
#define DRAG_NODE_SPLINE		3		//????????

#define DRAG_LINE_COLOR		RGB(0,153,255)
#define TRACKER_SOLID			1
#define TRACKER_RECT			2
#define TRACKER_CIRCLE			4
#define TRACKER_NO_EDIT			TRACKER_SOLID | TRACKER_CIRCLE

class CurveEditorBase : public CItemCurve
{
public:
	CurveEditorBase(CSigmaDoc* pDoc);
	virtual ~CurveEditorBase(void);

	// Mouse event handlers
	virtual void OnDraw(CXyDC* pDC) = 0;
	virtual void OnLButtonDblClk(UINT nFlags, CPoint point) = 0;
	virtual void OnLButtonDown(CDC* pDC, UINT nFlags, CPoint point, int vk) = 0;
	virtual int OnMouseMove(CDC* pDC, UINT nFlags, CPoint point) = 0;
	virtual void OnLButtonUp(CDC* pDC, UINT nFlags, CPoint point, int vk) = 0;
	virtual BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message) = 0;
	virtual BOOL OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) = 0;
	virtual BOOL OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags) = 0;
	virtual int  GetSubMenu() = 0;
	virtual void SetPos(POSITION pos) = 0;
	virtual void Clear(void) = 0;
	
	virtual void Draw(CDC* pDC) = 0;
	virtual void DrawAssistant(CDC* pDC, int mouseX, int mouseY) = 0;
	virtual int  GetNumberOfNode() = 0;
	virtual void EreaseHandles(CDC* pDC) = 0;
	
	virtual void EndEdit(void) = 0;
	virtual void CancelAll(void) = 0;
	virtual BOOL IsCanCancelAll(void) = 0;

	// Control point operations
	virtual int  HitTestHandle(CPoint point) = 0;
	virtual void DeleteHandle(int nIndex) = 0;
	virtual int AddHandle(CPoint point) = 0;
	virtual BOOL IsCanAddHandle(CPoint point, double* pl0 = nullptr) = 0;

	virtual CCurveEx* GetControlCurve(void) = 0;  // ??????????????????
	virtual void GetXY(CCurveEx* pValue, int nIndex, dfPoint& point) = 0;
	
	virtual void AttachProcess(CPointList& oldPoints, CPointList& newPoints) = 0;
	virtual void DrawMoveLine(void) = 0;
	virtual void GetMarkCurve(void) = 0;
	virtual CPoint2D GetCDown() const = 0;
	virtual CPoint2D GetCLast() const = 0;
};

};