60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
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/*
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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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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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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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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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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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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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