BasicFillWidget.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/BasicFillWidget.h
 
  \brief A widget used to build a basic fill element.
*/
 
#ifndef __TERRALIB_QT_WIDGETS_SE_INTERNAL_BASICFILLWIDGET_H
#define __TERRALIB_QT_WIDGETS_SE_INTERNAL_BASICFILLWIDGET_H
 
// TerraLib
#include "../Config.h"
#include "AbstractFillWidget.h"
 
// STL
#include <memory>
 
// Forward declaraion
namespace Ui { class BasicFillWidgetForm; }
 
namespace te
{
// Forward declarations
  namespace se
  {
    class Fill;
  }
 
  namespace qt
  {
    namespace widgets
    {
// Forward declarations
      class ColorPickerToolButton;
 
      /*!
        \class BasicFillWidget
 
        \brief A widget used to build a basic fill element.
 
        \sa AbstractFillWidget, GraphicFillWidget
      */
      class TEQTWIDGETSEXPORT BasicFillWidget : public AbstractFillWidget
      {
        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. */
          BasicFillWidget(QWidget* parent = 0, Qt::WindowFlags f = 0);
 
          /*! \brief Destructor. */
          ~BasicFillWidget();
 
          //@}
 
        public:
 
          /** @name Re-implementation of Pure Virtual Method
          *   AbstractFillWidget methods.
          */
          //@{
 
          bool setFill(const te::se::Fill* fill);
 
          te::se::Fill* getFill() const;
 
          QString getFillType() const;
 
          //@}
 
        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();
 
          /*! \brief Updates the widget form element used to visualize the fill color. */
          void updateUiFillColor();
 
        protected slots:
 
          void onColorChanged(const QColor& color);
 
          void onFillOpacitySliderValueChanged(int value);
 
        signals:
 
          /*! This signal is emitted when the internal fill element is changed. */
          void fillChanged();
 
        private:
 
          std::unique_ptr<Ui::BasicFillWidgetForm> m_ui; //!< Widget form.
          ColorPickerToolButton* m_colorPicker;        //!< Widget used to pick a color.
          QColor m_color;                              //!< Auxiliary color attribute.
          te::se::Fill* m_fill;                        //!< Fill element that will be configured by this widget.
      };
 
    } // end namespace widgets
  }   // end namespace qt
}     // end namespace te
 
#endif  // __TERRALIB_QT_WIDGETS_SE_INTERNAL_BASICFILLWIDGET_H