#ifndef __CPEXTENSIONS__INTERACTION__IMAGEINTERACTORSTYLE__H__
#define __CPEXTENSIONS__INTERACTION__IMAGEINTERACTORSTYLE__H__

#include <cpExtensions/Interaction/BaseInteractorStyle.h>

#include <vector>

#include <vtkPropPicker.h>
#include <vtkSmartPointer.h>
/* TODO
   #include <vtkImageActorPointPlacer.h>
   #include <vtkPointHandleRepresentation3D.h>
   #include <vtkSeedRepresentation.h>
   #include <cpExtensions/Interaction/SeedWidget.h>
*/

// Forward definitions
class vtkCommand;
class vtkImageActor;

namespace cpExtensions
{
  namespace Interaction
  {
    /**
     */
    class cpExtensions_EXPORT ImageInteractorStyle
      : public BaseInteractorStyle
    {
    public:
      typedef ImageInteractorStyle Self;
      vtkTypeMacro( ImageInteractorStyle, BaseInteractorStyle );

      // Callbacks types
      typedef Superclass::TMouseCommand            TMouseCommand;
      typedef Superclass::TMouseWheelCommand       TMouseWheelCommand;
      typedef Superclass::TKeyCommand              TKeyCommand;
      typedef Superclass::TVoidCommand             TVoidCommand;
      typedef Superclass::TMouseMoveCommand        TMouseMoveCommand;
      typedef Superclass::TMouseClickCommand       TMouseClickCommand;
      typedef Superclass::TMouseDoubleClickCommand TMouseDoubleClickCommand;
      typedef Superclass::TExposeCommand           TExposeCommand;
      typedef Superclass::TConfigureCommand        TConfigureCommand;
      typedef Superclass::TEnterCommand            TEnterCommand;
      typedef Superclass::TLeaveCommand            TLeaveCommand;

      // Widgets
      /* TODO
         struct TSeedWidget
         {
         vtkSmartPointer< vtkImageActorPointPlacer >              Placer;
         vtkSmartPointer< vtkPointHandleRepresentation3D >        Handle;
         vtkSmartPointer< vtkSeedRepresentation >         Representation;
         vtkSmartPointer< SeedWidget > Widget;

         TSeedWidget(
         vtkRenderWindowInteractor* interactor, vtkImageActor* actor
         );
         void On( );
         void Off( );
         };
      */

    public:
      static Self* New( );

      virtual void SetCurrentRenderer( vtkRenderer* r ) VTK_OVERRIDE;

      // Data for local picker
      virtual void AssociateImageActor( vtkImageActor* actor );

      // Widgets
      /* TODO
         void SeedWidgetOn( );
         void SeedWidgetOff( );
         void SetSeedWidgetCommand( vtkCommand* cmd );
         unsigned int GetNumberOfSeeds( ) const;
         void GetSeedAsPoint( unsigned int id, double pos[ 3 ] ) const;
         void GetSeedAsIndex( unsigned int id, int pos[ 3 ] ) const;
      */

    protected:
      ImageInteractorStyle( );
      virtual ~ImageInteractorStyle( );

      void _ConfigureCamera( vtkImageActor* actor );
      virtual bool _PickPosition( int idx[ 2 ], double pos[ 3 ] );

    private:
      // Purposely not implemented
      ImageInteractorStyle( const Self& );
      Self& operator=( const Self& );

    protected:
      bool m_Configured;
      vtkSmartPointer< vtkPropPicker > m_PropPicker;
      /* TODO
         TSeedWidget* m_SeedWidget;
      */
    };

  } // ecapseman

} // ecapseman

#endif // __CPEXTENSIONS__INTERACTION__IMAGEINTERACTORSTYLE__H__

// eof - $RCSfile$