X3DPrototypeInstance.h

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//    Copyright 2004, SenseGraphics AB
//
//    This file is part of H3D API.
//
//    H3D API is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    H3D API is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with H3D API; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    A commercial license is also available. Please contact us at 
//    www.sensegraphics.com for more information.
//
//
//
#ifndef __X3DPROTOTYPEINSTANCE_H__
#define __X3DPROTOTYPEINSTANCE_H__

#include "X3DNode.h"
#include "H3DDynamicFieldsObject.h"

// forward declaration for Bison VRML parser.
namespace yy {
  class VrmlParser;
  class location;
}
namespace H3D {

  // forward declaration.
  namespace X3D {
    class X3DSAX2Handlers;
  }

  class H3DAPI_API X3DPrototypeInstance: 
    public X3DNode,
    public H3DDynamicFieldsObject {
  public:

    X3DPrototypeInstance( Inst< SFNode>  _metadata = 0 );
  
    virtual void render();

#ifdef USE_HAPTICS

    virtual void traverseSG( TraverseInfo &ti );
#endif
    
    virtual void setPrototypedNode( Node *n ) {
      prototyped_node.reset( n );
    }
    
    virtual Node *getPrototypedNode() {
      return prototyped_node.get();
    }

    virtual string defaultXMLContainerField() {
      if( prototyped_node.get() )
        return prototyped_node->defaultXMLContainerField();
      else
        return X3DNode::defaultXMLContainerField();
    }

    static H3DNodeDatabase database;
    
    friend class X3D::X3DSAX2Handlers;

    friend class yy::VrmlParser;
  protected:
    AutoRef< Node > prototyped_node;
  };
}

#endif

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