undoredomsghandler.cpp

来自「A Model-View-Controller Framework that i」· C++ 代码 · 共 55 行

#include "stdafx.h"
#include "UndoRedoMsgHandler.h"
#include "UndoRedoBar.h"
#include "UndoRedoButton.h"
#include "CmdTargetController.h"
#include "ModelController.h"
#include "UndoRedoMgr.h"


namespace SbjCore
{
	namespace Mvc
	{
		bool UndoRedoMsgHandler::OnHandleCmd(UINT nID)
		{
			SbjCore::Mvc::Model::Controller* pCtrlr = SbjCore::Mvc::Model::GetCurController();
			SbjCore::UndoRedo::Manager* pUndoRedoMgr = pCtrlr->GetUndoRedoMgr();
			if (pUndoRedoMgr != NULL)
			{
				if (ID_EDIT_UNDO == nID)
				{
					pUndoRedoMgr->Undo(UndoRedoButton::GetCount());
				}
				if (ID_EDIT_REDO == nID)
				{
					pUndoRedoMgr->Redo(UndoRedoButton::GetCount());
				}
			}
			
			UndoRedoButton::SetCount(0);
			return true;
		}

		bool UndoRedoMsgHandler::OnHandleCmdUI(CCmdUI* pCmdUI)
		{
			SbjCore::Mvc::Model::Controller* pCtrlr = SbjCore::Mvc::Model::GetCurController();
			SbjCore::UndoRedo::Manager* pUndoRedoMgr = pCtrlr->GetUndoRedoMgr();
			if (pUndoRedoMgr != NULL)
			{
				if (ID_EDIT_UNDO == pCmdUI->m_nID)
				{
					UndoRedoButton::SetUndoRedoList(pUndoRedoMgr->GetUndoList());
				}
				if (ID_EDIT_REDO == pCmdUI->m_nID)
				{
					UndoRedoButton::SetUndoRedoList(pUndoRedoMgr->GetRedoList());
				}
				pCmdUI->Enable(UndoRedoButton::GetUndoRedoList().GetCount() > 0);
			}
			return true;
		}
	}
}