Src/DasherCore/UserLogBase.cpp

   1 /*
   2  *  UserLogBase.cpp
   3  *  Dasher
   4  *
   5  *  Created by Alan Lawrence on 28/03/2011.
   6  *  Copyright 2011 Cavendish Laboratory. All rights reserved.
   7  *
   8  */
   9
  10 #include "UserLogBase.h"
  11 #include "Event.h"
  12 #include "DasherNode.h"
  13 #include "DasherInterfaceBase.h"
  14
  15 using namespace Dasher;
  16
  17 CUserLogBase::CUserLogBase(Observable<const CEditEvent *> *pHandler)
  18 : TransientObserver<const CEditEvent *>(pHandler), m_iNumDeleted(0) {
  19 };
  20
  21 void CUserLogBase::HandleEvent(const CEditEvent *evt) {
  22   if (evt->m_iEditType == 1) {
  23     m_vAdded.push_back(evt->m_pNode->GetSymbolProb());
  24     //output
  25   } else if (evt->m_iEditType == 2) {
  26     //delete
  27     m_iNumDeleted++;
  28   }
  29 }
  30
  31 void CUserLogBase::FrameEnded() {
  32   //pass on added/deleted if any, and get ready for next frame
  33   if (m_iNumDeleted) {
  34     DeleteSymbols(m_iNumDeleted);
  35     m_iNumDeleted=0;
  36   }
  37   if (!m_vAdded.empty()) {
  38    AddSymbols(&m_vAdded);
  39     m_vAdded.clear();
  40   }
  41 }