47d4fe65b4
- Widget tests are now working properly. git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@990 3ecf2c5c-341e-0410-92b4-d18e462d057c
91 lines
2.1 KiB
C++
91 lines
2.1 KiB
C++
// src/backend/simulation.cc - Copyright 2005, 2006, University
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// of Padova, dept. of Pure and Applied
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// Mathematics
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//
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// This file is part of SGPEMv2.
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//
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// This is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// SGPEMv2 is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with SGPEMv2; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#include "config.h"
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#include "simulation.hh"
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#include "simulation_observer.hh"
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#include "concrete_simulation.hh"
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#include <algorithm>
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#include <functional>
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// Do not include in header file:
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#include "singleton.tcc"
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using namespace sgpem;
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// Explicit template instantiation to allow to export symbols from the DSO.
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template class SG_DLLEXPORT Singleton<ConcreteSimulation>;
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Simulation::Simulation()
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: _notify(true)
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{
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}
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Simulation::~Simulation()
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{}
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Simulation&
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Simulation::get_instance()
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{
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return Singleton<ConcreteSimulation>::get_instance();
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}
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void
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Simulation::attach(SimulationObserver& observer)
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{
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_observers.push_back(&observer);
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}
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void
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Simulation::detach(const SimulationObserver& observer)
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{
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_observers.erase(std::find(_observers.begin(),
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_observers.end(),
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&observer));
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}
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void
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Simulation::notify_change()
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{
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if (!_notify) return;
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for (RegisteredObservers::iterator it = _observers.begin();
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it != _observers.end(); it++)
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(*it)->update(*this);
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}
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bool
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Simulation::set_notify_enabled(bool enabled)
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{
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bool old_value = _notify;
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_notify = enabled;
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// Force notify if we re-enable it
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if (old_value == false && _notify == true)
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notify_change();
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return old_value;
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}
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