Geant4 Cross Reference

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Geant4/externals/g4tools/include/tools/sg/cbks

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  1 // Copyright (C) 2010, Guy Barrand. All rights reserved.
  2 // See the file tools.license for terms.
  3 
  4 #ifndef tools_sg_cbks
  5 #define tools_sg_cbks
  6 
  7 // A dedicated container for callbacks.
  8 
  9 #include "bcbk"
 10 #include "../forit"
 11 #include "../vmanip"
 12 
 13 #include <vector>
 14 
 15 namespace tools {
 16 namespace sg {
 17 
 18 class cbks {
 19 public:
 20   cbks() {}
 21   virtual ~cbks(){clear();}
 22 public:
 23   cbks(const cbks& a_from){copy(a_from);}
 24   cbks& operator=(const cbks& a_from){
 25     if(&a_from==this) return *this;
 26     copy(a_from);
 27     return *this;
 28   }
 29 public:
 30   void add(bcbk* a_cbk) {
 31     //we take ownership of a_cbk
 32     m_cbks.push_back(a_cbk);
 33   }
 34   void copy(const cbks& a_from,bool a_clear = true) {
 35     if(&a_from==this) return;
 36     if(a_clear) clear();
 37     tools_vforcit(bcbk*,a_from.m_cbks,it) m_cbks.push_back((*it)->copy());
 38   }
 39   void clear() {
 40     safe_clear<bcbk>(m_cbks);
 41   }
 42 
 43   void do_actions() const {
 44     // WARNING : dangerous. Used by offscreen apps.
 45     tools_vforcit(bcbk*,m_cbks,it) (*it)->action();
 46   }
 47 
 48   const std::vector<bcbk*>& callbacks() const {return m_cbks;}
 49   std::vector<bcbk*>& callbacks() {return m_cbks;}
 50   bool is_empty() const {return m_cbks.empty();}
 51 protected:
 52   std::vector<bcbk*> m_cbks;
 53 };
 54 
 55 }}
 56 
 57 #endif