/// This file is part of the X3DToolKit library
/// Copyright (C) 2002-2004  Yannick Le Goc (legoc@imag.fr)

/// http://artis.imag.fr/Members/Yannick.Legoc/X3D/

/// This library is free software; you can redistribute it and/or
/// modify it under the terms of the GNU Lesser General Public
/// License as published by the Free Software Foundation; either
/// version 2.1 of the License, or (at your option) any later version.

/// This library 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
/// Lesser General Public License for more details.

/// You should have received a copy of the GNU Lesser General Public
/// License along with this library; if not, write to the Free Software
/// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#ifndef X3DTK_CREATOR_H
#define X3DTK_CREATOR_H

#include "X3D_X3DNode.h"
#include "CreationFunction.h"
#include "X3DActor.h"

namespace X3DTK {
namespace X3D {

class X3DComponentCreator;

/*! \brief Class declared in <b><X3DTK/X3D/scenegraph.h></b> defining a creator which 
 *  aggregates the different component creators. The creator is an abstract factory 
 *  and a facade.
 *  
 *  \ingroup X3DLoader
 */

class Creator : public X3DActor
{
public:  
  /// Constructor.
  Creator();
  /// Destructor.
  virtual ~Creator();
  
  /// Sets the X3DComponentCreator.
  void setComponentCreator(X3DComponentCreator *component);
  /// Creates the SFNode from its name.
  X3D::X3DNode *createFromName(const SFString &name) const;
  /// Empties the list of component.
  void reset();
  
  /// Gets the name of the component of the type name.
  SFString getComponentNameOf(const SFString &name) const;

  friend Creator *joinCreator(Creator *N0, Creator *N1);
  
private:  
  ///Gets the creation function related with name.
  CreationFunction *getCreationFunctionOf(const SFString &name) const;
  
  //Dictionary of all the creation functions used.
  CreationDict _creationDict;
  std::list<X3DComponentCreator *> _componentList;
};

}
}

#endif