1 // Copyright (C) 2006-2019 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #include "Dispatcher.hxx"
25 #include "YacsTrace.hxx"
27 using namespace YACS::ENGINE;
33 void Observer::notifyObserver(Node* object, const std::string& event)
35 DEBTRACE("notifyObserver " << event << object );
38 void Observer::notifyObserver2(Node* object,const std::string& event, void *something)
40 DEBTRACE("notifyObserver2 " << event << object );
43 void Observer::notifyObserverFromClone(Node *originalInstance, const std::string& event, Node *clonedInstanceGeneratingEvent)
45 DEBTRACE("notifyObserverFromClone " << event << originalInstance );
48 Dispatcher* Dispatcher::_singleton = 0;
50 Dispatcher::~Dispatcher()
52 Dispatcher::_singleton =0;
55 Dispatcher* Dispatcher::getDispatcher()
57 if ( !Dispatcher::_singleton )
59 Dispatcher::_singleton =new Dispatcher;
61 return Dispatcher::_singleton;
64 void Dispatcher::setDispatcher(Dispatcher* dispatcher)
66 Dispatcher::_singleton=dispatcher;
69 void Dispatcher::printObservers()
71 std::cerr << "Dispatcher::printObservers " << std::endl;
72 typedef std::map< std::pair<Node*,std::string> , std::set<Observer*> >::iterator it;
73 typedef std::set<Observer*>::iterator jt;
75 for(it i=_observers.begin();i!=_observers.end();i++)
77 std::cerr << "Node*: " << (*i).first.first << " event: " << (*i).first.second << std::endl;
78 for(jt j=(*i).second.begin();j!=(*i).second.end();j++)
80 std::cerr << "observer: " << *j << std::endl;
85 void Dispatcher::dispatch(Node* object, const std::string& event)
87 DEBTRACE("Dispatcher::dispatch " << event );
88 std::pair<Node*,std::string> key(object,event);
89 std::map< std::pair<Node*,std::string> , std::set<Observer*> >::const_iterator it(_observers.find(key));
90 if(it!=_observers.end())
92 for(std::set<Observer*>::const_iterator iter=(*it).second.begin();iter!=(*it).second.end();iter++)
94 (*iter)->notifyObserver(object,event);
99 void Dispatcher::dispatch2(Node* object,const std::string& event, void *something)
101 std::pair<Node*,std::string> key(object,event);
102 std::map< std::pair<Node*,std::string> , std::set<Observer*> >::const_iterator it(_observers.find(key));
103 if(it!=_observers.end())
105 for(std::set<Observer*>::const_iterator iter=(*it).second.begin();iter!=(*it).second.end();iter++)
107 (*iter)->notifyObserver2(object,event,something);
112 void Dispatcher::dispatchFromClone(Node *originalInstance, const std::string& event, Node *clonedInstanceGeneratingEvent)
114 std::pair<Node*,std::string> key(originalInstance,event);
115 std::map< std::pair<Node*,std::string> , std::set<Observer*> >::const_iterator it(_observers.find(key));
116 if(it!=_observers.end())
118 for(std::set<Observer*>::const_iterator iter=(*it).second.begin();iter!=(*it).second.end();iter++)
120 (*iter)->notifyObserverFromClone(originalInstance,event,clonedInstanceGeneratingEvent);
125 void Dispatcher::addObserver(Observer* observer,Node* object, const std::string& event)
127 _observers[std::pair<Node*,std::string>(object,event)].insert(observer);
131 void Dispatcher::removeObserver(Observer* observer,Node* object, const std::string& event)
133 _observers[std::pair<Node*,std::string>(object,event)].erase(observer);