The SBJ MVC Framework - The Model, from Abstraction to Realization

//------------------------------------------------------------------------------
// $Workfile: NotifyMsgHandler.cpp $
// $Header:  $
//
//	Copyright � 2008 SbjCat
// All rights reserved.
//
//
// *** Authors ***
//	 Steve Johnson
//
// $Revision: $
//
//-----------------------------------------------------------------------------

#include "stdafx.h"
#include "NotifyMsgHandler.h"
#include "CmdTargetController.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

namespace SbjCore
{
	namespace Mvc
	{
	
		NotifyMsgHandler::~NotifyMsgHandler()
		{
		}

		CmdTargetController* NotifyMsgHandler::GetController() const
		{
			return static_cast<CmdTargetController*>(MessageHandler::GetController());
		}

		/** Handle calls NotifyMsgHandler's protected pure virtual OnHandleNotify method.  It is called by 
			the CmdTargetController's HandleChildNotify method and should never be called directly.  


			\return true if message is handled
		*/
		bool NotifyMsgHandler::HandleNotify(
			NMHDR* pNMHDR,						///< pointer to a NMHDR struct
			LRESULT* pResult)					///< if not NULL, the result of for the message
		{
			return OnHandleNotify(pNMHDR, pResult);
		}

		/** HandlePrev calls Handle on the previous handler.  This should be called from
			the overridden OnHandleNotify method.

			\return true if message is handled
		*/
		bool NotifyMsgHandler::HandleNotifyPrev(
			NMHDR* pNMHDR,						///< pointer to a NMHDR struct
			LRESULT* pResult)					///< if not NULL, the result of for the message
		{
			bool bRslt = false;
			NotifyMsgHandler* pPrevHandler = (NotifyMsgHandler*)GetPrevHandler();
			if (pPrevHandler != NULL)
			{
				bRslt = pPrevHandler->HandleNotify(pNMHDR, pResult);
			}
			return bRslt;
		}

		/** OnHandleNotify is the abstract handler method. 
		
			OnHandleNotify must be overridden in the derived handler. A call to HandlePrev should be made 
			to assure any previous handlers are called. This method is called by the 
			public Handle method and should never be called directly.
			
			\param pNMHDR pointer to a NMHDR struct
			\param pResult if not NULL, the result of for the message
							
			\return true if message is handled
		*/
		//virtual bool OnHandleNotify(NMHDR* pNMHDR, LRESULT* pResult) = 0;						

	}			
}

//*** Modification History ***
// $Log:  $