1 // Base class for elements of property controlled subsystems
3 // Copyright (C) 2012 Thomas Geymayer <tomgey@gmail.com>
5 // This program is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU General Public License as
7 // published by the Free Software Foundation; either version 2 of the
8 // License, or (at your option) any later version.
10 // This program is distributed in the hope that it will be useful, but
11 // WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // General Public License for more details.
15 // You should have received a copy of the GNU General Public License
16 // along with this program; if not, write to the Free Software
17 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 #ifndef PROPERTY_BASED_ELEMENT_HXX_
20 #define PROPERTY_BASED_ELEMENT_HXX_
22 #include <Canvas/canvas_fwd.hpp>
23 #include <simgear/props/props.hxx>
26 * Base class for a property controlled element
28 class PropertyBasedElement:
29 public SGPropertyChangeListener
32 PropertyBasedElement(SGPropertyNode* node);
33 virtual ~PropertyBasedElement();
35 virtual void update(double delta_time_sec) = 0;
37 SGConstPropertyNode_ptr getProps() const;
38 SGPropertyNode_ptr getProps();
42 friend class PropertyBasedMgr;
44 SGPropertyNode_ptr _node;
45 PropertyBasedElementWeakPtr _self;
49 #endif /* PROPERTY_BASED_ELEMENT_HXX_ */