LocalGraphicWidgetFactory.h

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/*  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 terralib/qt/widgets/se/LocalGraphicWidgetFactory.h
 
  \brief A concrete factory that builds a graphic widget used to configure a graphic associate with an external graphic element 
         that references a local image. e.g. a SVG file, a PNG file, etc.
*/
 
#ifndef __TERRALIB_QT_SE_INTERNAL_LOCALGRAPHICWIDGETFACTORY_H
#define __TERRALIB_QT_SE_INTERNAL_LOCALGRAPHICWIDGETFACTORY_H
 
// TerraLib
#include "../Config.h"
#include "AbstractGraphicWidgetFactory.h"
 
namespace te
{
  namespace qt
  {
    namespace widgets
    {
      /*!
        \class LocalGraphicWidgetFactory
 
        \brief A concrete factory that builds a graphic widget used to configure a graphic associate with an external graphic element 
               that references a local image. e.g. a SVG file, a PNG file, etc.
 
        \sa AbstractGraphicWidgetFactory
      */
      class TEQTWIDGETSEXPORT LocalGraphicWidgetFactory : public AbstractGraphicWidgetFactory
      {
        public:
 
          /** @name Public Initializer
            *  Methods for the control of the factory singleton.
            */
          //@{
 
          /*! \brief It initializes the factory: the singleton instance will be registered in the abstract factory AbstractGraphicWidgetFactory. */
          static void initialize();
 
          /*! \brief It finalizes the factory: the singleton instance will be destroyed and will be unregistered from the abstract factory AbstractGraphicWidgetFactory. */
          static void finalize();
 
          //@}
 
          /** @name Public Destructor
            *  Destructor.
            */
          //@{
 
          /*!
            \brief Destructor.
 
            \note It will automatically unregister the factory from the dictionary.
          */
          ~LocalGraphicWidgetFactory();
 
          //@} 
 
        protected:
 
          /** @name Re-implementation of Pure Virtual Method
          *  Concrete factory methods.
          */
          //@{
 
          AbstractGraphicWidget* build();
 
          //@}
 
        protected:
 
          /** @name Protected Initializers
          *  Initializers.
          */
          //@{
 
          /*!
            \brief It creates the factory.
 
            The key of a LocalGraphicWidgetFactory is a string.
 
            \param factoryKey The key that identifies the factory.
          */
          LocalGraphicWidgetFactory();
 
          //@}
 
        private:
 
          static std::string sm_factoryKey;                 //!< The factory key.
          static LocalGraphicWidgetFactory* sm_factory;     //!< A pointer to the global factory.
      };
 
    } // end namespace widgets
  }   // end namespace qt
}     // end namespace te
 
#endif  // __TERRALIB_QT_SE_INTERNAL_LOCALGRAPHICWIDGETFACTORY_H