The SBJ MVC Framework - The Design View, Responding to Model Change

//------------------------------------------------------------------------------
// $Workfile: CmdTargetController.h $
// $Header: /SbjDev/SbjCore/CmdTargetController.h 3     10/24/08 9:03a Steve $
//
//	Copyright � 2008 SbjCat
// All rights reserved.
//
//
// *** Authors ***
//	 Steve Johnson
//
// $Revision: 3 $
//
//-----------------------------------------------------------------------------

#pragma once

#include "Controller.h"


namespace SbjCore
{
	namespace UndoRedo
	{
		class Manager;
	}
	
	namespace Mvc
	{
		struct CmdTargetControllerImpl;

		/** 

		The CmdTargetController class provides Mvc message management for 
		ControlledCmdTargetT classes. When WM_COMMAND messages are received by the 
		ControlledCmdTargetT they are first routed to its CmdTargetController 
		so that the CmdMsgHandlers maintained in the message map of its base 
		Controller class can have an opportunity to handle the message before 
		the default CCmdTarget MFC message processing.
		*/
		class AFX_EXT_CLASS CmdTargetController : public Controller
		{
			DECLARE_DYNCREATE(CmdTargetController)
		public:
			CmdTargetController();
			
			virtual ~CmdTargetController();
			
		public:			

			void SetCmdTarget(CCmdTarget* p);

			CCmdTarget* GetCmdTarget() const;
			
		public:			
			
			bool RoutCmdMsg(UINT nID,			
				int nCode,						
				void* pExtra,						
				AFX_CMDHANDLERINFO* pHandlerInfo);	

		public:

			bool HandleCmdMsg(UINT nID);
			bool HandleCmdUIMsg(UINT nID, CCmdUI* pCmdUI);
			bool HandleNotifyMsg(NMHDR* pNMHdr, LRESULT* pResult);
		private:
			virtual bool OnRoutCmdMsg(UINT nID,		
				int nCode,							
				void* pExtra,						
				AFX_CMDHANDLERINFO* pHandlerInfo);	

		private:
			struct CmdTargetControllerImpl* const m_pImpl;
		};
		
	}
}

//*** Modification History ***
// $Log: /SbjDev/SbjCore/CmdTargetController.h $
// 
// 3     10/24/08 9:03a Steve