#include "StdAfx.h"
#include "T2People.h"
#include "T2PeopleLinkIterator.h"

T2PeopleLinkIterator::T2PeopleLinkIterator(T2People* people)
	: mFirst(people)
	, mCurrent(NULL)
{
}

/*virtual*/ T2PeopleLinkIterator::~T2PeopleLinkIterator() {
}

BOOL T2PeopleLinkIterator::Current(T2People** pPeople) {
	if (mCurrent) {
		*pPeople = mCurrent;
		return true;
	}
	return false;
}

BOOL T2PeopleLinkIterator::Prev(T2People** pPeople) {
    if (mCurrent) {
        mCurrent = (T2People *) mCurrent->mPrev;
        return Current(pPeople);
    } else {
        return false;
    }
}

BOOL T2PeopleLinkIterator::Next(T2People** pPeople) {
    if (mCurrent) {
        mCurrent = (T2People *) mCurrent->mNext;
        return Current(pPeople);
    } else {
        mCurrent = mFirst;
        return Current(pPeople);
    }
}

void T2PeopleLinkIterator::Reset() {
    mCurrent = NULL;
}