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

#ifndef _TGRAPHNODE_H_
#include "TGraphNode.h"
#endif

#ifndef _TTABLE_H_
#include "TTable.h"
#endif

#ifndef _TGRAPHARC_H_
#include "TGraphArc.h"
#endif

#ifndef _TPDLIST_H_
#include "TPDList.h"
#endif

class GEOAPI TGraph
{
public:
	~TGraph();
	//node
	long GetNodeNum()const;

	TGraphNode* operator[](long i);

	long Find(const TGraphNode&n);
	
	//如果已经存在自动删除pNode,返回索引
	long operator<<(TGraphNode* pNode);

	void DelNode(long i);
	
	//修改后必须调用,调整位置使内部表保持有序。
	long CheckNode(long i,TTable<TGraphArc*> *pLstArcFree);

	//pLstArcFree放置与i节点连接但不属于本图的边，需要由所属图执行CheckArc();
	long CheckNode(TGraphNode*pNode,TTable<TGraphArc*> *pLstArcFree=NULL);

	//arc
	long GetArcNum()const;
	TGraphArc* operator()(long i);
	long Find(const TGraphArc&a);
	
	//如果已经存在自动删除pArc;pArc->IsValid()!!!
	long operator<<(TGraphArc* pArc);
	void DelArc(long i);
	
	//修改后必须调用,调整位置使内部表保持有序
	long CheckArc(long i);
	long CheckArc(TGraphArc*pArc);

	//Create
	//pArc->m_pNode0,pArc->m_pNode1必须是临时new的，如果在图中已经存在，被自动delete!
	//自动创建边和节点
	long Create(TGraphArc *pArc);

	//Clear
	void UnConnect();
	void Clear();
	void ClearArc();
	void ClearNode();

protected:
	TPDListEx<TGraphNode> m_allNode;//始终保持有序
	TPDListEx<TGraphArc>  m_allArc; //始终保持有序
};

#endif