LayerItem.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 LayerItem.h
 *
 * \brief Defines a layer item.
 */
#ifndef __TERRALIB_QT_WIDGETS_LAYER_INTERNAL_LAYERITEM_H
#define __TERRALIB_QT_WIDGETS_LAYER_INTERNAL_LAYERITEM_H
 
#include "TreeItem.h"
 
// TerraLib
#include "../../../../maptools/AbstractLayer.h"
 
// STL
#include <memory>
 
namespace te
{
  namespace qt
  {
    namespace widgets
    {
      /*!
      * \class LayerItem
      *
      * \brief An item that contains a te::map::AbstractLayerPtr.
      *
      * \note The type of the item is "LAYER".
      *
      * \ingroup widgets
      */
      class TEQTWIDGETSEXPORT LayerItem: public TreeItem
      {
      public:
        /*!
        * \name Instantiation Methods
        *
        * Methods related to creation and destruction of the object.
        */
        //@{
 
        /*!
        * \brief Constructor.
        *
        * \param layer The layer of the item.
        */
        LayerItem(te::map::AbstractLayerPtr layer);
 
        /*!
        * \brief Destructor.
        */
        ~LayerItem();
        //@}
 
        /*!
        * \name Reimplementation of TreeItem
        *
        * Methods reimplemented of the TreeItem class.
        */
        //@{
        std::string getAsString() const;
 
        VISIBLE isVisible() const;
 
        void setVisible(const VISIBLE& visible, const bool& updateAncestors = false, const bool& updateDescendents = false);
 
        Qt::ItemFlags flags();
        //@}
 
        /*!
        * \brief Returns the layer contained in the item.
        *
        * \return The layer contained at the item.
        */
        te::map::AbstractLayerPtr getLayer() const;
 
        /*!
         * \brief Updates the chart item.
        */
        void updateChart();
 
        /*!
         * \brief updateLegend
         * \return The position of the StyleItem as child of the Layer.
         */
        int updateLegend();
 
        /*!
         * \brief Returns the item tooltip (for information purposes).
         *
         * \return The item tooltip.
        */
        std::string getToolTip() const;
 
      protected:
        te::map::AbstractLayerPtr m_layer;   //!< The asbtract layer.
      };
    }
  }
}
 
#endif //__TERRALIB_QT_WIDGETS_LAYER_INTERNAL_LAYERITEM_H