RuleProperty.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/RuleProperty.h
 
  \brief A widget used to define the rule properties, such as:
           - scale
           - description
*/
 
#ifndef __TERRALIB_QT_WIDGETS_SE_INTERNAL_RULEPROPERTY_H
#define __TERRALIB_QT_WIDGETS_SE_INTERNAL_RULEPROPERTY_H
 
// TerraLib
#include "../Config.h"
 
// Qt
#include <QWidget>
 
 
namespace te
{
// Forward declarations
  namespace se
  {
    class Rule;
  }
 
  namespace qt
  {
    namespace widgets
    {
      class ScalePropertyItem;
 
      /*!
        \class RuleProperty
 
        \brief A widget used to define the rule properties, such as:
           - scale
           - description
 
      */
 
      class TEQTWIDGETSEXPORT RuleProperty : public QWidget
      {
        Q_OBJECT
 
        public:
          /** @name Initializer Methods
            *  Methods related to instantiation and destruction.
            */
          //@{
 
          /*! \brief Constructor */
          RuleProperty(QWidget* parent);
 
          /*! \brief Destructor. */
          ~RuleProperty();
 
          //@}
 
        public:
 
          /*!
            \brief Sets a polygon symbolizer element to this widget.
 
            \param symb A valid polygon symbolizer element.
 
            \note The widget will NOT take the ownership of the given symbolizer.
            \note The widget form will be update based on given symbolizer parameters.
          */
          void setRule(te::se::Rule* rule);
 
          /*!
            \brief Gets the configured polygon symbolizer element.
 
            \return The configured polygon symbolizer element.
            
            \note The caller will take the ownership of the returned symbolizer.
          */
          te::se::Rule* getRule() const;
 
        protected slots:
 
          void onScaleMinChanged();
          void onScaleMaxChanged();
 
        signals:
 
          /*! This signal is emitted when the internalrule element is changed. */
          void ruleChanged();
 
 
        protected:
          te::qt::widgets::ScalePropertyItem* m_sp;
 
          te::se::Rule* m_rule;                   //!< Rule element that will be configured by this widget.
      };
    }
  }
}
 
#endif //__TERRALIB_QT_WIDGETS_SE_INTERNAL_RULEPROPERTY_H