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/* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
 * Copyright 2015 Pelican Mapping
 * http://osgearth.org
 *
 * osgEarth 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>
 */
#ifndef OSGEARTHQT_MAPCATALOGWIDGET_H
#define OSGEARTHQT_MAPCATALOGWIDGET_H 1

#include <osgEarthQt/Common>
#include <osgEarthQt/DataManager>

#include <osgEarth/Map>

#include <QWidget>
#include <QTreeWidget>

namespace osgEarth { namespace QtGui 
{
    using namespace osgEarth;

    class OSGEARTHQT_EXPORT MapCatalogWidget : public QFrame
    {
    Q_OBJECT

    public:
      enum DisplayFields {
        ELEVATION_LAYERS = 0x01,
        IMAGE_LAYERS = 0x02,
        MODEL_LAYERS = 0x04,
        ALL_LAYERS = 0x07,
        ANNOTATIONS = 0x08,
        LAYERS_AND_ANNOTATIONS = 0x0F,
        MASK_LAYERS = 0x10,
        VIEWPOINTS = 0x20,
        ALL = 0xFF
      };

      MapCatalogWidget(DataManager* dm, unsigned int fields=ALL_LAYERS);
      MapCatalogWidget(osgEarth::Map* map, unsigned int fields=ALL_LAYERS);

      void setActiveView(osgViewer::View* view);
      void setActiveViews(const ViewVector& views);

      void setHideEmptyGroups(bool hide);

    private slots:
	  void onMapChanged();
      void onSelectionChanged(/*const AnnotationVector& selection*/);
	  void onTreeItemDoubleClicked(QTreeWidgetItem* item, int col);
      void onTreeItemChanged(QTreeWidgetItem* item, int col);
      void onTreeSelectionChanged();

    protected:
      virtual ~MapCatalogWidget() { }
      friend class MapCatalogActionCallbackProxy;

      void initUi();
      void refreshAll();
      void refreshElevationLayers();
      void refreshImageLayers();
      void refreshModelLayers();
      void refreshAnnotations();
      void refreshMaskLayers();
      void refreshViewpoints();

      QTreeWidget* _tree;
      QTreeWidgetItem* _elevationsItem;
      QTreeWidgetItem* _imagesItem;
      QTreeWidgetItem* _modelsItem;
      QTreeWidgetItem* _annotationsItem;
      QTreeWidgetItem* _masksItem;
      QTreeWidgetItem* _viewpointsItem;

      osg::ref_ptr<DataManager> _manager;
      osg::ref_ptr<osgEarth::Map> _map;
      ViewVector _views;
      unsigned int _fields;
      bool _hideEmptyGroups;
      bool _updating;
    };
} }

#endif // OSGEARTHQT_MAPCATALOGWIDGET_H