LocalGraphicWidget.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/LocalGraphicWidget.h

  \brief A widget used to build a graphic associated with an external graphic element that references a local image. e.g. a SVG file, a PNG file, etc.
*/

#ifndef __TERRALIB_QT_WIDGETS_SE_INTERNAL_LOCALGRAPHICWIDGET_H
#define __TERRALIB_QT_WIDGETS_SE_INTERNAL_LOCALGRAPHICWIDGET_H

// TerraLib
#include "../Config.h"
#include "AbstractGraphicWidget.h"

// STL
#include <memory>

// Forward declaraion
namespace Ui { class LocalGraphicWidgetForm; }

namespace te
{
  namespace qt
  {
    namespace widgets
    {
// Forward declarations
      class LocalImageWidget;

      /*!
        \class LocalGraphicWidget

        \brief A widget used to build a graphic associate with an external graphic element that references a local image. e.g. a SVG file, a PNG file, etc.
      */
      class TEQTWIDGETSEXPORT LocalGraphicWidget : public AbstractGraphicWidget
      {
        Q_OBJECT

        public:

          /** @name Initializer Methods
           *  Methods related to instantiation and destruction.
           */
          //@{

          /*! \brief Constructs a local graphic widget which is a child of parent, with widget flags set to f. */
          LocalGraphicWidget(QWidget* parent = 0, Qt::WindowFlags f = 0);

          /*! \brief Destructor. */
          ~LocalGraphicWidget();

          //@}

        public:

          /** @name Re-implementation of Pure Virtual Method
          *   AbstractGraphicWidget methods.
          */
          //@{

          bool setGraphic(const te::se::Graphic* graphic);

          QString getGraphicType() const;

          QIcon getGraphicIcon(const QSize& size) const;

          //@}

        protected slots:

          void onExternalGraphicChanged(const QSize& size);

          void onGraphicDisplacementChanged(const QString& text);

          void onGraphicAnchorPointChanged(const QString& text);

        private:

          /*! \brief Updates the widget form based on internal graphic element. */
          void updateUi();

        private:

          std::auto_ptr<Ui::LocalGraphicWidgetForm> m_ui;        //!< Widget form.
          te::qt::widgets::LocalImageWidget* m_localImageWidget; //!< Local image widget used to configure the external graphic element.
      };

    } // end namespace widgets
  }   // end namespace qt
}     // end namespace te

#endif  // __TERRALIB_QT_WIDGETS_SE_INTERNAL_LOCALGRAPHICWIDGET_H