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 * Software License Agreement  (BSD License)
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 *  Point Cloud Library  (PCL) - www.pointclouds.org
 *  Copyright (c) 2012-, Open Perception, Inc.
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#ifndef PCL_APPS_OPTRONIC_VIEWER_FILTER_WINDOW_H_
#define PCL_APPS_OPTRONIC_VIEWER_FILTER_WINDOW_H_

#include <boost/shared_ptr.hpp>

#include <pcl/apps/optronic_viewer/qt.h>
#include <pcl/apps/optronic_viewer/openni_grabber.h>
#include <pcl/apps/optronic_viewer/cloud_filter.h>
#include <pcl/io/openni_grabber.h>
#include <pcl/visualization/pcl_visualizer.h>

#include <fz_api.h>


namespace pcl
{
  namespace apps
  {
    namespace optronic_viewer
    {
      
      /** \brief Window class for wizards to create new filters. */
      class FilterWindow : public QWizard
      {
        Q_OBJECT

      public:
        /** \brief Creates a new wizard for creating a filter. The filter to be
         *         created can be selected from the specified list of filters.
         *         The supplied factories are used to create the corresponding
         *         filters.
         */
        FilterWindow (
          std::vector<CloudFilterFactory*> & filter_factories, 
          std::vector<CloudFilter*> & filter_list);
        virtual ~FilterWindow ();

      public slots:
        /** \brief Called if a different item in the filter list is selected. */
        virtual void itemSelected (int id);
        /** \brief Called when the 'finish' button is pressed. */
        virtual void finished ();
        /** \brief Called when the 'next' button is pressed. */
        virtual void next ();

      signals:
        /** \brief Ommitted when a filter is created. */
        void filterCreated ();

      protected:
        virtual void cleanupPage (int id)
        {
          std::cerr << "cleanup page" << std::endl;
        }

      private:
        /** \brief Creates the page for selecting filters. */
        void createFilterSelectionPage ();
        /** \brief Fills the combo box used for selecting filters. */
        void fillFilterSelectionComboBox (QComboBox * combo_box);

      private:
        /** \brief List of filter factories used to create the available filters. */
        std::vector<CloudFilterFactory*> filter_factories_;

        /** \brief Combo box that holds the names of the available filters. */
        QComboBox * filter_selection_combo_box_;
        /** \brief Line edit used to specify the name of the created filter. */
        QLineEdit * filter_name_line_edit_;

        int last_added_page_id_;

        /** \brief The destination for the newly created filter. */
        std::vector<CloudFilter*> * filter_list_;

        /** \brief The filter to be created. */
        CloudFilter * filter_;
      };
    }
  }
}

#endif // PCL_APPS_OPTRONIC_VIEWER_FILTER_WINDOW_H_
