#ifndef __CPEXTENSIONS__QT__SIMPLEMPRWIDGET__H__
#define __CPEXTENSIONS__QT__SIMPLEMPRWIDGET__H__

#include <cpExtensions/Config.h>

#ifdef cpExtensions_QT4

#include <map>
#include <set>
#include <QWidget>
#include <vtkProp.h>
#include <vtkSmartPointer.h>
#include <cpExtensions/Visualization/ImageSliceActors.h>

#define cpExtensions_MAX_POLYS 65535

// -------------------------------------------------------------------------
class QVTKWidget;

namespace Ui
{
  class SimpleMPRWidget;
}

// -------------------------------------------------------------------------
namespace cpExtensions
{
  namespace QT
  {
    /**
     */
    class cpExtensions_EXPORT SimpleMPRWidget
      : public QWidget
    {
      Q_OBJECT;

    public:
      typedef SimpleMPRWidget Self;

      struct TActorCmp
      {
        bool operator()(
          const vtkSmartPointer< vtkProp >& a,
          const vtkSmartPointer< vtkProp >& b
          ) const
          { return( a.GetPointer( ) < b.GetPointer( ) ); }
      };
      typedef std::set< vtkSmartPointer< vtkProp >, TActorCmp >  TActors;
      typedef std::map< std::string, TActors >              TNamedActors;
      typedef cpExtensions::Visualization::ImageSliceActors TSliceActors;

    public:
      explicit SimpleMPRWidget( QWidget* parent = 0 );
      virtual ~SimpleMPRWidget( );

      // Data management
      void Clear( );
      void SetMainImage( vtkImageData* image, const std::string& name );
      void SetMainActor( vtkImageActor* actor, const std::string& name );
      void AddImage( vtkImageData* image, const std::string& name );
      void AddImageActor( vtkImageActor* actor, const std::string& name );
      void AddMesh( vtkPolyData* mesh, const std::string& name );
      void AddMeshActor( vtkProp3D* actor, const std::string& name );
      void AddActor( vtkProp* actor, const std::string& name );
      const TActors& GetActors( const std::string& name ) const;

      // Visual objects
      vtkRenderWindowInteractor* GetInteractor( unsigned int i );
      vtkRenderer* GetRenderer( unsigned int i );
      vtkRenderWindow* GetRenderWindow( unsigned int i );

    protected:
      void _AssociateSlices( );

    private slots:
      void _SyncBottom( int a, int b );
      void _SyncTop( int a, int b );

    protected:
      Ui::SimpleMPRWidget* m_UI;
      QVTKWidget*          m_VTK[ 4 ];

      vtkSmartPointer< vtkRenderer >  m_Renderers[ 4 ];
      vtkSmartPointer< TSliceActors > m_2DSlices[ 3 ];
      vtkSmartPointer< TSliceActors > m_3DSlices[ 3 ];

      TNamedActors m_NamedActors;
    };

  } // ecapseman

} // ecapseman

#endif // cpExtensions_QT4

#endif // __CPEXTENSIONS__QT__SIMPLEMPRWIDGET__H__

// eof - $RCSfile$