www.pudn.com > AVChat1.rar > CObjectList.cpp

// 
// CObjectList.cpp 
// 
 
#include "stdafx.h" 
#include "CObjectList.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
CObjectList::CObjectList(void) 
{ 
} 
 
CObjectList::~CObjectList(void) 
{ 
} 
 
int CObjectList::GetIndex(void * inPointer) 
{ 
	int index = -1; 
	for (int i = 0; i < GetSize() && index == -1; i ++) 
	{ 
		void * obj = GetAt(i); 
		if (obj == inPointer) 
		{ 
			index = i; 
		} 
	} 
	return index; 
} 
 
int CObjectList::Add(void * inPointer) 
{ 
	return CPtrArray::Add(inPointer); 
} 
	 
int CObjectList::Add(void * inPointer, int inIndex) 
{ 
	CPtrArray::InsertAt(inIndex, inPointer); 
	return inIndex; 
} 
	 
void CObjectList::Remove(void * inPointer) 
{ 
	int index = GetIndex(inPointer); 
	if (index != -1) 
	{ 
		RemoveAt(index); 
	} 
} 
 
void * CObjectList::GetPrevious(void * inPointer) 
{ 
	int index = GetIndex(inPointer); 
	if (index > 0) 
	{ 
		index --; 
		return GetAt(index); 
	} 
	return 0; 
} 
 
void * CObjectList::GetNext(void * inPointer) 
{ 
	int index = GetIndex(inPointer); 
	if (index != -1) 
	{ 
		index ++; 
		if (index < GetSize()) 
		{ 
			return GetAt(index); 
		} 
	} 
	return 0; 
}