AbstractItemFactory.h

Go to the documentation of this file.

/*  Copyright (C) 2008 National Institute For Space Research (INPE) - Brazil.

    This file is part of the TerraLib - a Framework for building GIS enabled applications.

    TerraLib 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 3 of the License,
    or (at your option) any later version.

    TerraLib 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 TerraLib. See COPYING. If not, write to
    TerraLib Team at <terralib-team@terralib.org>.
 */

/*!
  \file AbstractItemFactory.h
   
  \brief Abstract Factory provide an interface for creating families of related or dependent graphic objects (MVC components) without specifying their concrete classes.

  \ingroup layout
*/

#ifndef __TERRALIB_LAYOUT_INTERNAL_ABSTRACT_ITEM_FACTORY_H
#define __TERRALIB_LAYOUT_INTERNAL_ABSTRACT_ITEM_FACTORY_H

// TerraLib
#include "ItemParamsCreate.h"
#include "../../enum/EnumType.h"

namespace te
{
  namespace layout
  {
    class Observer;

    /*!
    \brief Abstract Factory provide an interface for creating families of related or dependent graphic objects (MVC components) without specifying their concrete classes.
    
    \ingroup layout
    */
    class AbstractItemFactory 
    {
      public:

        /*!
          \brief Constructor
        */
        virtual ~AbstractItemFactory(void) {}

        /*!
          \brief Method that builds and returns a new object (MVC component) of the type defined as parameter.

          \param type type of the new object
          \param params parameters to creation new object. Ex.: "Model" and "Controller" of the new object (MVC component).
        */
        virtual Observer* make(EnumType* type, ItemParamsCreate params = ItemParamsCreate()) = 0;
      };
  }
}

#endif