#ifndef _IMAGELST_RELATION_HPP_
#define _IMAGELST_RELATION_HPP_

#ifdef _EXPAND_RELATION_TEMPLATES_
#pragma option -Jgd
#endif

template <class T>
class RContainer
{
	friend class Relation<T>;
	public:
		T *item(void);
		void item(T *lpItem);
		RContainer<T> *sibling(void);
		void sibling(RContainer<T> *lpSibling);
		RContainer<T> *parent(void);
		void parent(RContainer<T> *lpParent);
		RContainer<T> *child(void);
		void child(RContainer<T> *lpChild);
	private:
		RContainer *mlpSibling;
		RContainer *mlpParent;
    RContainer *mlpChild;
		T *mlpItem;
		RContainer(void);
		~RContainer();
};

template <class T>
class Relation
{
public:
	Relation(void);
	Relation(const Relation<T> &someRelation);
	virtual ~Relation(void);
	void insert(const T &someItem,const T &insertAfter);
	void remove(const T &someItem);
	WORD find(T &someItem);
	Relation<T> &operator=(const Relation<T> &someRelation);
	WORD operator==(const Relation<T> &someRelation)const;
private:
	RContainer<T> *Relation<T>::searchChildDescend(RContainer<T> *lpRContainer,T &someItem);
	RContainer<T> *Relation<T>::searchSiblingDescend(RContainer<T> *lpRContainer,T &someItem);
	RContainer<T> *mlpRContainer;
};
#endif