/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file xFileDataNode.h
 * @author drose
 * @date 2004-10-08
 */

#ifndef XFILEDATANODE_H
#define XFILEDATANODE_H

#include "pandatoolbase.h"
#include "xFileNode.h"
#include "xFileDataObject.h"
#include "xFileTemplate.h"
#include "pointerTo.h"
#include "dcast.h"

/**
 * This is an abstract base class for an XFileNode which is also an
 * XFileDataObject.  That is to say, objects that inherit from this class may
 * be added to the toplevel X file graph as nodes, and they also may be
 * containers for data elements.
 *
 * Specifically, this is the base class of both XFileDataNodeTemplate and
 * XFileDataNodeReference.
 */
class XFileDataNode : public XFileNode, public XFileDataObject {
public:
  XFileDataNode(XFile *x_file, const std::string &name,
                XFileTemplate *xtemplate);

  virtual bool is_object() const;
  virtual bool is_standard_object(const std::string &template_name) const;
  virtual std::string get_type_name() const;

  INLINE const XFileDataNode &get_data_child(int n) const;

  INLINE XFileTemplate *get_template() const;
  INLINE const std::string &get_template_name() const;

protected:
  PT(XFileTemplate) _template;

public:
  static TypeHandle get_class_type() {
    return _type_handle;
  }
  static void init_type() {
    XFileNode::init_type();
    XFileDataObject::init_type();
    register_type(_type_handle, "XFileDataNode",
                  XFileNode::get_class_type(),
                  XFileDataObject::get_class_type());
  }
  virtual TypeHandle get_type() const {
    return get_class_type();
  }
  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}

private:
  static TypeHandle _type_handle;
};

#include "xFileDataNode.I"

#endif