#pragma once
#include "itemcurve.h"
#include ".\ActionItem.h"

class HandleDrawer;
namespace NItem
{
#define DRAG_NODE_DEFAULT		0		//直接移动当前节点
#define DRAG_NODE_LINE			1		//线性移动节点
#define DRAG_NODE_COS			2		//余弦移动节点
#define DRAG_NODE_SPLINE		3		//三次样条移动节点

#define DRAG_LINE_COLOR		RGB(0,153,255)

class CItemCurveEdit : public CItemCurve
{
public:
	CItemCurveEdit(CSigmaDoc* ppDoc);
	virtual ~CItemCurveEdit(void);

	void OnDraw(CXyDC* pDC) override;
	void OnLButtonDblClk(UINT nFlags, CPoint point) override;
	void OnLButtonDown(CDC* pDC, UINT nFlags, CPoint point, int vk) override;
	int OnMouseMove(CDC* pDC, UINT nFlags, CPoint point) override;
	void OnLButtonUp(CDC* pDC, UINT nFlags, CPoint point, int vk) override;
	BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message) override;
	BOOL OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) override;
	BOOL OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags) override;
	int  GetSubMenu() override;
	void SetPos(POSITION pos) override;
	virtual void GetXY(CCurveEx* pValue, int nIndex, dfPoint& point);
	virtual void Clear(void);
	virtual void SetModifiedFlag(BOOL bModified);
	virtual void OnDragPointEnding(CPointList* pList);
	virtual void OnDragPointEnd(int nIndex);
	virtual void OnDragPointMove(int nIndex, CPoint2D pt);
	virtual void AttachProcess(CPointList& oldPoints, CPointList& newPoints);	//绑定处理坐标相同的曲线
	virtual void DrawMoveLine(void);

	void Draw(CDC* pDC);
	void DrawAssistant(CDC* pDC, int mouseX, int mouseY) override;
	int  GetNumberOfNode();
	void EreaseHandles(CDC* pDC);

protected:
	CPoint2D c_down, c_last;
	DWORD m_nHandleDrawMode;
	COne* m_pBakOne;			//备份曲线,为了编辑时取消所有移动、增加、删除操作
	CPoint m_nMouseMovePoint;	//鼠标移动点
	CPoint m_nLButtonDownPoint;
	int m_nModeX, m_nModeY;		//为了编辑速度谱
	bool m_bLButtonDwonWhenMoueseMove;
	int typeIndex;				//曲线原始类型
	COLORREF color = RGB(0, 0, 0);				//颜色
	double width;
	CActionItem* m_pAttachAction;
	CPointList NewPointList;
	int m_nBeginIndex, m_nEndIndex;
	//for spline mode
	CCurveEx* m_pMarkCurve;		//自动冗余后的曲线坐标
	HandleDrawer* m_handleDrawer;
protected:
	void DrawOrEraseSelectHandleForMouseMove(CPoint point);
	double GetPointOffset(double offset, int nMode);
	void GetDragPoint(CPoint2D& dp, CPointList& NewPointList, int& begin, int& end);
	void DrawMoveLine(CPointList& NewPointList, BOOL bDrawNode);


	void DrawSelectHandle(int nHandle);
	CRect GetRangeWidthIndex(int nIndex);

	void DrawHandle(CXyDC* pDC, CCurveEx* pCurve);
	void DrawHandle(CXyDC* pDC, double x0, double y0);
	void DrawHandlesByCDC(CDC* pDC, CCurveEx* pCurve);

	void GetDragSplinePoint(CPoint2D& dp, CPointList& NewPointList, int& begin, int& end);
public:
	void GetMarkCurve(void);
	int  HitTestHandle(CPoint point);
	int  HitTestHandle(CCurveEx* pValue, CPoint point);
	void DeleteHandle(int nIndex);
	BOOL InsertHandleWithPointDistance(double x, double y);
	int AddHandle(double l0);
	int AddHandle(CCurveEx* pValue, dfPoint add);
	int AddHandle(CPoint point);
	void EndEdit(void);
	BOOL IsCanAddHandle(CPoint point, double* pl0 = nullptr);
	void CancelAll(void);
	BOOL IsCanCancelAll(void);
	CRect GetFirstNodeHandleRectFocus(CPoint point);//第一个点的
	void SetDrawMode(int nModeX, int nModeY);
	int GetOffsetMode(void);
	CCurveEx* GetCurCurve(void);
};

};