//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
//Distributed under the terms of the GNU Library General Public License (LGPL)
//as published by the Free Software Foundation.

#ifndef OSGUTIL_SceneViewManipulator
#define OSGUTIL_SceneViewManipulator 1

#include <osgUtil/Export>
#include <osgUtil/SceneView>
#include <osgUtil/CameraManipulator>
#include <osgUtil/StateSetManipulator>
#include <osgUtil/GUIEventAdapter>
#include <osgUtil/GUIActionAdapter>

namespace osgUtil{

class OSGUTIL_EXPORT SceneViewManipulator : public GUIEventHandler
{
    public:

	SceneViewManipulator();
	virtual ~SceneViewManipulator();

        /** attach a scene view to the manipulator. */
	virtual void setSceneView(SceneView*);

        /** get the attached a scene view.*/
	virtual SceneView * getSceneView();

        /** get the attached a const scene view.*/
	virtual const SceneView * getSceneView() const;

        /** Set the camera manipulator on the object.*/
	virtual void setCameraManipulator(CameraManipulator *cm)    {_cm=cm;}

        /** Get the camera manipulator on the object */
	virtual CameraManipulator *getCameraManipulator()  {return _cm.get();}

        /** Get the const camera manipulator on the object */
	virtual const CameraManipulator *getCameraManipulator() const     {return _cm.get();}

        /** Set the geostate manipulator on the object.*/
	virtual void setStateSetManipulator(StateSetManipulator *cm)    {_gm=cm;}

        /** Get the geostate manipulator on the object */
	virtual StateSetManipulator *getStateSetManipulator()  { return _gm.get();}

        /** Get the geostate manipulator on the object */
	virtual const StateSetManipulator *getStateSetManipulator() const     {return _gm.get();}

        /** Handle events, return true if handled, false otherwise.*/
	virtual bool handle(const GUIEventAdapter& ea,GUIActionAdapter& us);        

    protected:

	// Reference pointer to our scene view
	osg::ref_ptr<SceneView>             _sv;

	osg::ref_ptr<CameraManipulator>     _cm;
	osg::ref_ptr<StateSetManipulator>   _gm;

};

}

#endif