/*
 * Software License Agreement  (BSD License)
 *
 *  Point Cloud Library  (PCL) - www.pointclouds.org
 *  Copyright  (c) 2012, Jeremie Papon.
 *
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
 *   * Neither the name of Willow Garage, Inc. nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 *  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES  (INCLUDING,
 *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 *  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *  LIABILITY, OR TORT  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 *  ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 *
 */

#include <pcl/apps/cloud_composer/point_selectors/interactor_style_switch.h>

#include <vtkInteractorStyleTrackballActor.h>
#include <vtkMatrix4x4.h>
#include <vtkSmartPointer.h>

namespace pcl {
namespace cloud_composer {

class SelectedTrackballStyleInteractor : public vtkInteractorStyleTrackballActor {
public:
  static SelectedTrackballStyleInteractor*
  New();
  vtkTypeMacro(SelectedTrackballStyleInteractor, vtkInteractorStyleTrackballActor);

  SelectedTrackballStyleInteractor();

  /** \brief Pass a pointer to the actor map
   * \param[in] actors the actor map that will be used with this style
   */
  inline void
  setCloudActorMap(const pcl::visualization::CloudActorMapPtr& actors)
  {
    actors_ = actors;
  }

  /** \brief Get the cloud actor map pointer. */
  inline pcl::visualization::CloudActorMapPtr
  getCloudActorMap() const
  {
    return (actors_);
  }

  /** \brief Pass a set of renderers to the interactor style.
   * \param[in] rens the vtkRendererCollection to use
   */
  void
  setRendererCollection(vtkSmartPointer<vtkRendererCollection>& rens)
  {
    renderers_ = rens;
  }

  /** \brief Function called on left mouse button click, ie, beginning of trackball */
  void
  OnLeftButtonDown() override;

  void
  OnRightButtonDown() override;

  /** \brief Function called on left mouse button release, ie, end of trackball*/
  void
  OnLeftButtonUp() override;

  void
  OnRightButtonUp() override;

  void
  Rotate() override;
  void
  Spin() override;
  void
  Pan() override;
  void
  UniformScale() override;

  /** \brief Event emitted once a valid selection has been made */
  int manipulation_complete_event_;

  inline void
  setProjectModel(ProjectModel* model)
  {
    model_ = model;
  }

private:
  void
  setSelectedActors();

  /** \brief Actor map stored internally. */
  pcl::visualization::CloudActorMapPtr actors_;

  /** \brief Collection of vtkRenderers stored internally. */
  vtkSmartPointer<vtkRendererCollection> renderers_;

  /** \brief Internal Pointer to Project Model */
  ProjectModel* model_;

  QMap<QString, vtkSmartPointer<vtkMatrix4x4>> start_matrix_map_;
  QMap<QString, vtkLODActor*> selected_actors_map_;
};

} // namespace cloud_composer

} // namespace pcl
