/**
* Progam made by Olivier Bernard, associate professor
* at Institut National des Sciences Appliquees (INSA) Lyon,
* CREATIS-LRMN Laboratory,
* 69621 Villeurbanne, France,
* 20th of May 2014
*/

#ifndef __vtkMyInteractorStyleTrackballCameraOpenHeart_h__
#define __vtkMyInteractorStyleTrackballCameraOpenHeart_h__

#include <vtkObjectFactory.h>
#include <vtkInteractorStyleTrackballCamera.h>
#include "OpenHeartGui.h"


class vtkMyInteractorStyleTrackballCameraOpenHeart : public vtkInteractorStyleTrackballCamera
{

    public:

        void SetOpenHeartGui( OpenHeartGui *win ) { this->window = win; }

        static vtkMyInteractorStyleTrackballCameraOpenHeart *New()
        {
            /// First try to create the object from the vtkObjectFactory
            vtkObject *ret = vtkObjectFactory::CreateInstance ("vtkMyInteractorStyleTrackballCameraOpenHeart");
            if (ret)
            {
                return (vtkMyInteractorStyleTrackballCameraOpenHeart *) ret;
            }
            /// If the factory was unable to create the object, then create it here.
            return (new vtkMyInteractorStyleTrackballCameraOpenHeart);
        }

        virtual void OnChar();
        virtual void OnMouseWheelForward();
        virtual void OnMouseWheelBackward();

        virtual void OnLeftButtonDown();
        virtual void OnLeftButtonUp();
        virtual void OnEnter();
        virtual void OnLeave();


    protected:

        vtkMyInteractorStyleTrackballCameraOpenHeart() : FlagFirstTime(0), Step(1), PadBound(0.2), FlagLeftClick(false)
        {
            for (int i=0; i<6; i++) {
                Bounds[i] = 0;
                Limits[i] = 0;
            }
            for (int i=0; i<3; i++) {
                PadSliceDetection[i] = 0;
                SpacingImg[i] = 0;
                OriginImg[i] = 0;
                LimitImg[i] = 0;
            }
        }

        ~vtkMyInteractorStyleTrackballCameraOpenHeart()
        {}

        OpenHeartGui *window;
        int FlagFirstTime;
        int Step;
        double Bounds[6];
        double Limits[6];
        double PadSliceDetection[3];
        double SpacingImg[3];
        double OriginImg[3];
        double LimitImg[3];
        double PadBound;
        bool FlagLeftClick;

        void MoveForward();
        void MoveForwardXYPlan();
        void MoveForwardXZPlan();
        void MoveForwardYZPlan();

        void MoveBackward();
        void MoveBackwardXYPlan();
        void MoveBackwardXZPlan();
        void MoveBackwardYZPlan();

        void GetPickerPosition(double *pos);
        bool IsInside(double *pos);

};


#endif