HF_JH_Y230417029/LaipuDrawing/CommandMgr.cpp

#include "StdAfx.h"
#include "CommandMgr.h"
#include "LogMgr.h"
#include "GlobalFunction.h"


#define MAX_UNDO_CNT 100//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

CCommandMgr gCommandMgr;
CCommandMgr::CCommandMgr(void)
{
}
CCommandMgr::~CCommandMgr(void)
{
    m_UndoQueue.clear();
    m_RedoQueue.clear();
}
//p <20><>ָ<EFBFBD><D6B8><EFBFBD>ض<EFBFBD><D8B6>IJ<EFBFBD><C4B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void CCommandMgr::AddUndoCommand(CCommandBase *p)
{
      vector<Sptr<CObjBase>> Vec;
      AddUndoCommand(p,Vec);
}
void CCommandMgr::AddUndoCommand(CCommandBase *p,vector<Sptr<CObjBase>> &pMarkObjectVec)
{
    if(p->HasOpObj()==false)
    {
         //<2F><><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>
         if(pMarkObjectVec.empty()==false)
         {
              vector<Sptr<CObjBase>>::iterator iter = pMarkObjectVec.begin();
              vector<Sptr<CObjBase>>::iterator iter_end = pMarkObjectVec.end();
              for(;iter!=iter_end;iter++)
              {
                   p->AddOpObj((*iter));
              }
         }
         else//û<><C3BB>ָ<EFBFBD><D6B8><EFBFBD>ͼ<EFBFBD><CDBC>뵱ǰѡ<C7B0><D1A1><EFBFBD><EFBFBD>obj
         {
              gLayer.GetObjContainer().AddObjToCmd(p,true);
         }
    }
    if(p->HasOpObj()==false)//û<>в<EFBFBD><D0B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>
    {
         delete p;
         return;
    }
    gCommandMgr.AddUndoCommandExt(p);
}
//<2F><><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>
void CCommandMgr::AddUndoCommandExt(CCommandBase *p)
{
     //------------------------------------<2D><>־start
     CLog log;
     log.AddCmdLog();
     log.str = p->GetStr();
     gLogMgr->WriteLog(log);
     //------------------------------------<2D><>־end
     //<2F><><EFBFBD>浽<EFBFBD><E6B5BD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>
     Sptr<CCommandBase> sPtr(p);
     
     m_UndoQueue.push_back(sPtr);
     if(m_UndoQueue.size()>MAX_UNDO_CNT)
     {
          m_UndoQueue.pop_front();
     }
     //֮ǰ<D6AE><C7B0>redo ȫ<><C8AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
     m_RedoQueue.clear();
}
bool CCommandMgr::HasUndoCmd()
{
    return !m_UndoQueue.empty();
}
bool CCommandMgr::HasRedoCmd()
{
    return !m_RedoQueue.empty();
}
void CCommandMgr::Undo()
{
    if(!m_UndoQueue.empty())
    {
         Sptr<CCommandBase> p = m_UndoQueue[m_UndoQueue.size()-1];
         p->Undo();
         m_RedoQueue.push_back(p);
         m_UndoQueue.pop_back();
         //------------------------------------<2D><>־start
         CLog log;
         log.AddCmdLog();
         {
             CString str = p->GetStr();
             log.str = "_undo <20><><EFBFBD><EFBFBD>"+str;
         }
         gLogMgr->WriteLog(log);
         //------------------------------------<2D><>־end
    }
}
void CCommandMgr::Redo()
{
    if(!m_RedoQueue.empty())
    {
         Sptr<CCommandBase> p = m_RedoQueue[m_RedoQueue.size()-1];
         p->Excute();
         m_UndoQueue.push_back(p);
         m_RedoQueue.pop_back();
         //------------------------------------<2D><>־start
         CLog log;
         log.AddCmdLog();
         {
             CString str = p->GetStr();
             log.str = "_redo <20><><EFBFBD><EFBFBD>"+str;
         }
         gLogMgr->WriteLog(log);
         //------------------------------------<2D><>־end
    }
}
//<2F><><EFBFBD>ûس<C3BB>ָ<EFBFBD><D6B8>״̬
void CCommandMgr::Reset()
{
     m_UndoQueue.clear();
     m_RedoQueue.clear();
}