//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TWallBase.h
// = Version	:   ver2.0
// = Author		:   xlc
// = CreateDate	:   2002-09-09
// = Description:   类的声明
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#ifndef _TWALLBASE_H_
#define _TWALLBASE_H_

#ifndef _TDPTRLIST_H_
#include "TDPtrList.h"
#endif

class TDbColumn;
class TDbWall;
class TDbWallPatch;

class TARCH_EXP TWallBase
{
public:
	
	TWallBase();
	
	virtual ~TWallBase();
	
	enum Usage
	{
		kUnknown	= -1,
		kWall		= 0,
		kColumn		= 1,
		kPatch		= 2
	};

	virtual int GetMaterialIndex() const = 0;
	
	virtual AcDbEntity* GetMyEntity() const = 0;
	
	virtual TWallBase::Usage GetUsage() const;

	TDbWall *GetMyDbWall() const;
	
	TDbColumn* GetMyDbColumn() const;
	
	TDbWallPatch* GetMyDbWallPatch() const;

protected:
	
	TDPtrList<AcDbSoftPointerId> m_lstNeighbourId;
	
	TDPtrList<TWallBase> m_lstNeighbourWall;		//引用
};

#endif