GroupingWidget.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/GroupingWidget.h
 
  \brief A widget used to build a grouping.
*/
 
#ifndef __TERRALIB_QT_WIDGETS_SE_INTERNAL_GROUPINGWIDGET_H
#define __TERRALIB_QT_WIDGETS_SE_INTERNAL_GROUPINGWIDGET_H
 
// TerraLib
#ifndef Q_MOC_RUN
#include "../../../maptools/AbstractLayer.h"
#endif
#include "../Config.h"
 
// STL
#include <memory>
 
// QT
#include <QTableWidgetItem>
#include <QWidget>
 
// Forward declaraion
namespace Ui { class GroupingWidgetForm; }
 
namespace te
{
// Forward declarations
  namespace color { class ColorBar; }
 
  namespace da { class DataSetType; }
 
  namespace map { class Grouping; }
 
  namespace se 
  { 
    class Rule; 
    class Style;
  }
 
  namespace qt
  {
    namespace widgets
    {
      // Forward declarations
      class ColorCatalogWidget;
 
      /*!
        \class GroupingWidget
 
        \brief A widget used to build a grouping.
 
        \sa 
      */
      class TEQTWIDGETSEXPORT GroupingWidget : public QWidget
      {
        Q_OBJECT
 
        public:
 
          /** @name Initializer Methods
           *  Methods related to instantiation and destruction.
           */
          //@{
 
          /*! \brief Constructs a basic fill widget which is a child of parent, with widget flags set to f. */
          GroupingWidget(QWidget* parent = 0, Qt::WindowFlags f = 0);
 
          /*! \brief Destructor. */
          ~GroupingWidget();
 
          //@}
 
        public:
 
          void setLayers(te::map::AbstractLayerPtr selectedLayer, std::vector<te::map::AbstractLayerPtr> allLayers);
 
          std::unique_ptr<te::map::Grouping> getGrouping();
 
          void updateStyle();
 
        protected:
 
          /*! \brief Internal method to initialize the widget (e.g.: color, combos, icons, etc.) */
          void initialize();
 
          /*! \brief Updates the widget form based on internal fill element. */
          void updateUi(bool loadColorBar = false);
 
          void setDataSetType();
 
          void setGrouping();
 
          void setGrouping(te::map::Grouping* grouping, te::se::Style* style);
 
          void getDataAsDouble(std::vector<double>& vec, const std::string& attrName, const int& dataType, int& nullValues);
 
          void getLinkedDataAsDouble(std::vector<double>& vec, const std::string& attrName, const int& dataType, int& nullValues);
 
          void getDataAsString(std::vector<std::string>& vec, const std::string& attrName, int& nullValues);
 
          void getLinkedDataAsString(std::vector<std::string>& vec, const std::string& attrName, int& nullValues);
 
          void createDoubleNullGroupingItem(int count);
 
          void createStringNullGroupingItem(int count);
 
          int getGeometryType();
 
          void buildSymbolizer(std::string meanTitle = "");
 
          void listAttributes();
 
          void saveLegend(const std::string& path);
 
        public slots:
 
          void onApplyPushButtonClicked();
 
          void onTypeComboBoxActivated(int idx);
 
          void onAttrComboBoxActivated(int idx);
 
          void onColorBarChanged();
 
          void onTableWidgetItemChanged(QTableWidgetItem* item);
 
          void onTableWidgetItemDoubleClicked(QTableWidgetItem* item);
 
          void onImportPushButtonClicked();
 
        signals:
 
          void applyPushButtonClicked();
 
 
        private:
 
          std::unique_ptr<Ui::GroupingWidgetForm> m_ui;          //!< Widget form.
 
          te::color::ColorBar* m_cb;                             //!< Terralib color bar objetc
          te::map::AbstractLayerPtr m_layer;                     //!< TerraLib layer auto ptr
          te::qt::widgets::ColorCatalogWidget* m_colorBar;       //!< Widget used to pick a color.
          std::vector<te::se::Rule*> m_rules;                    //!< Grouping items
          te::se::Style* m_style;                                //!< Current style from input layer.
 
          bool m_manual;
      };
 
    } // end namespace widgets
  }   // end namespace qt
}     // end namespace te
 
#endif  // __TERRALIB_QT_WIDGETS_SE_INTERNAL_GROUPINGWIDGET_H