mirror of https://github.com/TTimo/GtkRadiant.git
65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
/*
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Copyright (C) 2001-2006, William Joseph.
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All Rights Reserved.
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This file is part of GtkRadiant.
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GtkRadiant 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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GtkRadiant 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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You should have received a copy of the GNU General Public License
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along with GtkRadiant; 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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*/
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#if !defined(INCLUDED_MODULEOBSERVERS_H)
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#define INCLUDED_MODULEOBSERVERS_H
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#include "debugging/debugging.h"
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#include <set>
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#include "moduleobserver.h"
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class ModuleObservers
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{
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typedef std::set<ModuleObserver*> Observers;
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Observers m_observers;
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public:
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~ModuleObservers()
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{
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ASSERT_MESSAGE(m_observers.empty(), "ModuleObservers::~ModuleObservers: observers still attached");
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}
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void attach(ModuleObserver& observer)
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{
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ASSERT_MESSAGE(m_observers.find(&observer) == m_observers.end(), "ModuleObservers::attach: cannot attach observer");
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m_observers.insert(&observer);
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}
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void detach(ModuleObserver& observer)
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{
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ASSERT_MESSAGE(m_observers.find(&observer) != m_observers.end(), "ModuleObservers::detach: cannot detach observer");
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m_observers.erase(&observer);
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}
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void realise()
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{
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for(Observers::iterator i = m_observers.begin(); i != m_observers.end(); ++i)
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{
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(*i)->realise();
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}
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}
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void unrealise()
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{
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for(Observers::reverse_iterator i = m_observers.rbegin(); i != m_observers.rend(); ++i)
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{
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(*i)->unrealise();
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}
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}
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};
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#endif
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