ScalePropertyItem.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/ScalePropertyItem.h
 
  \brief A widget used to define the scale values.
*/
 
#ifndef __TERRALIB_QT_WIDGETS_SE_INTERNAL_SCALEPROPERTYITEM_H
#define __TERRALIB_QT_WIDGETS_SE_INTERNAL_SCALEPROPERTYITEM_H
 
// TerraLib
#include "../Config.h"
#include "../propertybrowser/AbstractPropertyItem.h"
 
namespace te
{
// Forward declarations
  namespace qt
  {
    namespace widgets
    {
      /*!
        \class ScalePropertyItem
 
        \brief A widget used to define the scale values.
 
      */
 
      class TEQTWIDGETSEXPORT ScalePropertyItem : public te::qt::widgets::AbstractPropertyItem
      {
        Q_OBJECT
 
        public:
          /** @name Initializer Methods
            *  Methods related to instantiation and destruction.
            */
          //@{
 
          /*! \brief Constructor */
          ScalePropertyItem(QtTreePropertyBrowser* pb, QColor c = QColor());
 
          /*! \brief Destructor. */
          ~ScalePropertyItem();
 
          //@}
 
          /** @name Re-implementation of Pure Virtual Method
          *   AbstractPropertyItem methods.
          */
          //@{
 
          void setMinScaleDenominator(const double& value);
 
          double getMinScaleDenominator();
 
          void setMaxScaleDenominator(const double& value);
 
          double getMaxScaleDenominator();
 
 
        public slots:
 
          virtual void valueChanged(QtProperty* p, double value);
 
 
        signals:
 
          /*! This signal is emitted when the internal fill element is changed. */
          void scaleMinChanged();
 
          void scaleMaxChanged();
 
        protected:
 
          QtProperty* m_minScaleProperty;
          QtProperty* m_maxScaleProperty;
 
          double m_minScale;
          double m_maxScale;
      };
    }
  }
}
 
#endif //__TERRALIB_QT_WIDGETS_SE_INTERNAL_SCALEPROPERTYITEM_H