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121 lines
2.9 KiB
C++
121 lines
2.9 KiB
C++
#include "StdAfx.h"
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#include "CommandMgr.h"
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#include "LogMgr.h"
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#include "GlobalFunction.h"
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#define MAX_UNDO_CNT 100//最大撤销次数
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CCommandMgr gCommandMgr;
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CCommandMgr::CCommandMgr(void)
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{
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}
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CCommandMgr::~CCommandMgr(void)
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{
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m_UndoQueue.clear();
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m_RedoQueue.clear();
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}
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//p 是指令特定的操作对象
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void CCommandMgr::AddUndoCommand(CCommandBase *p)
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{
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vector<Sptr<CObjBase>> Vec;
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AddUndoCommand(p,Vec);
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}
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void CCommandMgr::AddUndoCommand(CCommandBase *p,vector<Sptr<CObjBase>> &pMarkObjectVec)
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{
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if(p->HasOpObj()==false)
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{
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//加入指定的
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if(pMarkObjectVec.empty()==false)
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{
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vector<Sptr<CObjBase>>::iterator iter = pMarkObjectVec.begin();
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vector<Sptr<CObjBase>>::iterator iter_end = pMarkObjectVec.end();
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for(;iter!=iter_end;iter++)
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{
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p->AddOpObj((*iter));
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}
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}
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else//没有指定就加入当前选择的obj
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{
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gLayer.GetObjContainer().AddObjToCmd(p,true);
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}
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}
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if(p->HasOpObj()==false)//没有操作对象时不要添加指令
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{
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delete p;
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return;
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}
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gCommandMgr.AddUndoCommandExt(p);
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}
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//添加指令
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void CCommandMgr::AddUndoCommandExt(CCommandBase *p)
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{
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//------------------------------------日志start
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CLog log;
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log.AddCmdLog();
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log.str = p->GetStr();
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gLogMgr->WriteLog(log);
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//------------------------------------日志end
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//保存到智能指针
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Sptr<CCommandBase> sPtr(p);
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m_UndoQueue.push_back(sPtr);
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if(m_UndoQueue.size()>MAX_UNDO_CNT)
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{
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m_UndoQueue.pop_front();
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}
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//之前的redo 全部清除
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m_RedoQueue.clear();
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}
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bool CCommandMgr::HasUndoCmd()
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{
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return !m_UndoQueue.empty();
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}
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bool CCommandMgr::HasRedoCmd()
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{
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return !m_RedoQueue.empty();
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}
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void CCommandMgr::Undo()
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{
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if(!m_UndoQueue.empty())
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{
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Sptr<CCommandBase> p = m_UndoQueue[m_UndoQueue.size()-1];
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p->Undo();
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m_RedoQueue.push_back(p);
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m_UndoQueue.pop_back();
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//------------------------------------日志start
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CLog log;
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log.AddCmdLog();
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{
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CString str = p->GetStr();
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log.str = "_undo 撤销"+str;
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}
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gLogMgr->WriteLog(log);
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//------------------------------------日志end
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}
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}
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void CCommandMgr::Redo()
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{
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if(!m_RedoQueue.empty())
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{
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Sptr<CCommandBase> p = m_RedoQueue[m_RedoQueue.size()-1];
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p->Excute();
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m_UndoQueue.push_back(p);
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m_RedoQueue.pop_back();
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//------------------------------------日志start
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CLog log;
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log.AddCmdLog();
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{
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CString str = p->GetStr();
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log.str = "_redo 重做"+str;
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}
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gLogMgr->WriteLog(log);
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//------------------------------------日志end
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}
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}
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//重置回撤指令状态
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void CCommandMgr::Reset()
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{
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m_UndoQueue.clear();
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m_RedoQueue.clear();
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} |