#ifndef __DBHANDRAIL_H
#define __DBHANDRAIL_H
#include "DbPolyPathEnt.h"

#define AL_CENTER 0
#define AL_LEFT   1
#define AL_RIGHT  2

class TDbStair;

class TARCH_EXP TDbHandRail: public TDbPolyPathEnt {
    DECLARE_TENTBASE();
    ACRX_DECLARE_MEMBERS(TDbHandRail);   
public:
    enum TRailStyle { RS_NONE=0, //只有二维
        RS_SLAB=1, //栏板
        RS_RAIL1=2, //标准扶手1 (矩形长条)
        RS_RAIL2=3, //标准扶手2 (圆形)
        RS_CUSTOM=100,
    };
private:
    const static Adesk::UInt8 g_nVersion;
protected:
    TRailStyle m_nStyle; //扶手标志, 0--为自定义
    Adesk::UInt8 m_nAlignment; //对齐方式: 0--中间；1－左；2－右
    AcDbHardPointerId m_idCustStyle; //自定义扶手
    XPoly2D m_polyBase;  //扶手路径
    double m_nHeight, m_nWidth, m_nThick; //扶手顶高和扶手宽和扶手厚
    Adesk::UInt8 m_nDrawMode; // DRAW_2D, DRAW_3D, DRAW_2D+DRAW_3D

    TDbStair *m_pTempStair;
	AcDbVoidPtrArray m_tempStairArray;
public:
    TDbHandRail();
    ~TDbHandRail();
    virtual BOOL IsValid() const;
	virtual bool IsClipMe(const TEntityBase* pEnt=NULL)const;//ok
    virtual void CopyPropertiesFrom(AcDbEntity *pSrcEntity, unsigned gMatchFlag);

   // Overriden function from AcDbEntity
   virtual Acad::ErrorStatus subGetClassID(CLSID* pClsid) const;
   virtual Acad::ErrorStatus dwgInFields (AcDbDwgFiler*);
   virtual Acad::ErrorStatus dwgOutFields(AcDbDwgFiler*) const;
   virtual Acad::ErrorStatus dxfInFields (AcDbDxfFiler*);
   virtual Acad::ErrorStatus dxfOutFields(AcDbDxfFiler*) const;
   virtual Acad::ErrorStatus subGetGripPoints(AcGePoint3dArray&     gripPoints,
                                             AcDbIntArray&  osnapModes,
                                             AcDbIntArray&  geomIds) const;
   virtual Acad::ErrorStatus   subGetStretchPoints(AcGePoint3dArray & stretchPoints) const;
   virtual Acad::ErrorStatus   subTransformBy(const AcGeMatrix3d& xform);
   virtual  Acad::ErrorStatus subMoveGripPointsAt(const AcDbIntArray& indices,
                     const AcGeVector3d& offset);
   virtual  Acad::ErrorStatus subMoveStretchPointsAt(const AcDbIntArray& indices,
                     const AcGeVector3d& offset);


   // drived from TDbEntity
	virtual bool IsModelEntity() const{return true;} 
   virtual Acad::ErrorStatus ExplodeOrDraw3d(XExplodeDraw &dc) const;
   virtual Acad::ErrorStatus ExplodeOrDraw2d(XExplodeDraw &dc) const;
   virtual void GetTips(DList<TObjInfoUnit> &) const; //取动态属性显示数据
   virtual Acad::ErrorStatus GetGripText(int i, CString &cs) const;
   virtual const TCHAR *GetDefaultLayer() const;
   virtual Acad::ErrorStatus GetExtents2d(XPoint &ptLow, XPoint &ptUp) const;


    // Helper method
   int GetHitObjects(AcDbObjectIdArray &idArray) const;
    BOOL GetPolyTrace(XPoly2D &polyTrace) const;
    void ClipCurveByTrace(DList<XCurveSegment> &lnSet) const;
    //BOOL AdjustOutline();
   //BOOL GetAdjustedPoly(XPoly2D &polyPath) const;   

    // >0 命中顶点; <0 命中边; 0--没有命中
    // abs(nRet)-1 为命中目标序号
    int HitTestOnRail2d(const XPoint &ptTest, double nTol=_DIST_SNAP) const;
    BOOL GetClosestPoint2d(const XPoint &ptTest, XPoint &ptOnCurve) const;
    void GetBaseline2d(XPoly2D &poly2d) const;
    void GetSidePoly2d(XPoly2D &lPoly, XPoly2D &rPoly) const;
    void UpdateHitObjects() const;


    BOOL AddVertex(const XPoint &ptAdd);
    BOOL RemoveVertexAt(int nPos);

    Adesk::UInt8 GetAlignment() const;
    int GetEdgeNum() const;
    double GetHeight() const;
    double GetWidth() const;
    double GetThickness() const;
    double GetLength() const;
    double GetElevationAt(int idx) const;
    double GetSweepAngleAt(int idx) const;
    TDbHandRail::TRailStyle GetStyle() const;
    AcDbObjectId GetCustStyle() const;
    BOOL Has2D() const;
    BOOL Has3D() const;
    const XPoly2D & GetOutline() const;

    void SetHeight(double h);
    void SetWidth(double w);
    void SetThickness(double t);
    void SetOutline(const XPoly2D &poly);
    void SetStyle(TDbHandRail::TRailStyle ns, AcDbObjectId id=AcDbObjectId::kNull);
    void SetElevationAt(int idx, double nElev);
    void SetSweepAngleAt(int idx, double nAng);
    void SetAlignment(Adesk::UInt8 nAlign);
    void SetTempStair(const TDbStair *pStair);
    void SetHas2D(BOOL bTrue);
    void SetHas3D(BOOL bTrue);

	//add by xlc on 080219
	void AddTempStair(const TDbStair *pStair);
	void ResetTempStairArray() {
		while(m_tempStairArray.length())
			m_tempStairArray.removeLast();
	}

    static int GetRailsByCP(const XPoly2D &poly, AcDbObjectId idOwner, AcDbObjectIdArray &idArray);

   virtual  Acad::ErrorStatus SetPathPoly(const XPoly2D &polyPath,const AcGeVector3d&);
   virtual  Acad::ErrorStatus GetPathPoly(XPoly2D &polyPath,AcGeVector3d&normal) const;
   virtual  Acad::ErrorStatus GetBindPath(XPoly2D &polyPath,AcGeVector3d&normal) const;

};


#endif