83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
/*
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* wxJavaScript - evtconn.h
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*
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* Copyright (c) 2002-2007 Franky Braem and the wxJavaScript project
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*
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* Project Info: http://www.wxjavascript.net or http://wxjs.sourceforge.net
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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* $Id: evtconn.h 680 2007-04-20 10:13:02Z jupeters $
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*/
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#ifndef _wxjs_evt_conn_h
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#define _wxjs_evt_conn_h
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// A helper class to connect an event to a method of a class
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// This is used to avoid a big if-statement for selecting
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// the correct event connector
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// An event connector is a function that connects an event
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#include <map>
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namespace wxjs
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{
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template<class T_Priv>
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class EventConnector
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{
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public:
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typedef void (*ConnectEventFn)(T_Priv *p, bool connect);
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typedef std::map<wxString, ConnectEventFn> ConnectEventMap;
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static void AddConnector(const wxString &event, ConnectEventFn fun)
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{
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m_eventMap[event] = fun;
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}
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static bool ConnectEvent(T_Priv *p, const wxString &name, bool connect)
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{
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#if (__GNUC__ >= 4)
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typename ConnectEventMap::iterator it = m_eventMap.find(name);
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#else
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ConnectEventMap::iterator it = m_eventMap.find(name);
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#endif
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if ( it != m_eventMap.end() )
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{
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it->second(p, connect);
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return true;
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}
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return false;
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}
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static ConnectEventMap m_eventMap;
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};
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#if (__GNUC__ >= 4)
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#define WXJS_INIT_EVENT_MAP(class) \
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namespace wxjs { \
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template<> EventConnector<class>::ConnectEventMap \
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EventConnector<class>::m_eventMap = EventConnector<class>::ConnectEventMap(); \
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}
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#else
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#define WXJS_INIT_EVENT_MAP(class) \
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namespace wxjs { \
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EventConnector<class>::ConnectEventMap EventConnector<class>::m_eventMap; \
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}
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#endif
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} // end namespace wxjs
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#endif // _wxjs_evt_conn_h
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