DataSourceTreeWidget.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 DataSourceTreeWidget.h
 
   \brief A tree widget for the data sources of an application.
 */
 
#ifndef __TERRALIB_QT_WIDGETS_INTERNAL_DATASOURCETREEWIDGET_H
#define __TERRALIB_QT_WIDGETS_INTERNAL_DATASOURCETREEWIDGET_H
 
 // TerraLib
#include "../core/DataSourceType.h"
#include "../../Config.h"
#include "../../../../maptools/AbstractLayer.h"
 
// Qt
#include <QMenu>
#include <QTreeWidget>
 
namespace te
{
  namespace qt
  {
    namespace widgets
    {
      /*!
        \class DataSourceTreeWidget
 
        \brief A tree widget for the data sources of an application.
 
      */
      class TEQTWIDGETSEXPORT DataSourceTreeWidget : public QTreeWidget
      {
        Q_OBJECT
 
        /** DataSourceTreeWidget Item Type enum.
        *  Possible ways for DataSourceTreeWidget items.
        */
        enum DataSourceTreeWidgetItemType
        {
          DATASOURCETYPE, 
          DATASOURCE,
          DATASET
        };
 
        public:
 
          DataSourceTreeWidget(QWidget* parent = 0);
 
          ~DataSourceTreeWidget();
 
        public:
 
          void setDataSourceTypes(std::vector<te::qt::widgets::DataSourceType*> dsTypes);
 
        protected:
 
          void initMenus();
 
          void loadDataSources(QTreeWidgetItem* item);
 
          void loadDataSets(QTreeWidgetItem* item);
 
        signals:
 
          void layersCreated(const std::list<te::map::AbstractLayerPtr>& layers);
 
        protected slots:
 
          void slotItemDoubleClicked(QTreeWidgetItem* item, int column);
 
          void slotCustomContextMenu(const QPoint &point);
 
          void newConnection();
 
          void dataSourceTypeUpdate();
 
          void dataSourceUpdate();
 
          void createLayer();
 
        protected:
 
          QMenu* m_dataSourceTypeMenu;
          QMenu* m_dataSourceMenu;
          QMenu* m_dataSetMenu;
 
          std::vector<te::qt::widgets::DataSourceType*> m_dsTypes;
 
      };
    } // end namespace widgets
  }   // end namespace qt
}     // end namespace te
 
#endif  // __TERRALIB_QT_WIDGETS_INTERNAL_DATASOURCETREEWIDGET_H