GraphicSelectorWidget.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/GraphicSelectorWidget.h
 
  \brief A widget used to select a graphic element.
*/
 
#ifndef __TERRALIB_QT_WIDGETS_SE_INTERNAL_GRAPHICSELECTORWIDGET_H
#define __TERRALIB_QT_WIDGETS_SE_INTERNAL_GRAPHICSELECTORWIDGET_H
 
// TerraLib
#include "../Config.h"
 
// Qt
#include <QWidget>
 
// STL
#include <memory>
#include <string>
#include <vector>
 
// Forward declaraion
class QStackedWidget;
namespace Ui { class GraphicSelectorWidgetForm; }
 
namespace te
{
// Forward declarations
  namespace se
  {
    class Graphic;
  }
 
  namespace qt
  {
    namespace widgets
    {
      /*!
        \class GraphicSelectorWidget
 
        \brief A widget used to select a graphic element.
      */
      class TEQTWIDGETSEXPORT GraphicSelectorWidget : public QWidget
      {
        Q_OBJECT
 
        public:
 
          /** @name Initializer Methods
           *  Methods related to instantiation and destruction.
           */
          //@{
 
          /*! \brief Constructs a graphic selector widget dialog which is a child of parent, with widget flags set to f.  */
          GraphicSelectorWidget(QWidget* parent = 0, Qt::WindowFlags f = 0);
 
          /*! \brief Destructor. */
          ~GraphicSelectorWidget();
 
          //@}
 
        public:
 
          /*!
            \brief Sets the graphic element.
 
            \return The graphic element.
            
            \note The widget will NOT take the ownership of the given graphic.
          */
          void setGraphic(const te::se::Graphic* graphic);
 
          /*!
            \brief Gets the configured graphic element.
 
            \return The configured graphic element.
            
            \note The caller will take the ownership of the returned graphic.
          */
          te::se::Graphic* getGraphic() const;
 
          /*!
            \brief Gets the current graphic icon.
 
            \param size The icon size that will be generated.
 
            \return An icon that represents the graphic. i.e. a simple preview.
          */
          QIcon getGraphicIcon(const QSize& size);
 
        protected slots:
 
          void onGraphicTypeComboBoxCurrentIndexChanged(int index);
 
          void onGraphicChanged();
 
        signals:
 
          /*! This signal is emitted when the graphic element is changed. */
          void graphicChanged();
 
        private:
 
          std::unique_ptr<Ui::GraphicSelectorWidgetForm> m_ui; //!< Widget form.
          QStackedWidget* m_graphicWidgets;                  //!< Set of Graphic Widgets that can be used to configure the graphic element.
      };
 
    } // end namespace widgets
  }   // end namespace qt
}     // end namespace te
 
#endif  // __TERRALIB_QT_WIDGETS_SE_INTERNAL_GRAPHICSELECTORWIDGET_H