#ifndef __CPEXTENSIONS__QT__SIMPLEMPRWIDGET__H__
#define __CPEXTENSIONS__QT__SIMPLEMPRWIDGET__H__

#include <cpExtensions/Config.h>

#ifdef cpExtensions_QT4

#include <map>
#include <string>

#include <QWidget>

#include <vtkSmartPointer.h>
#include <vtkImageData.h>
#include <vtkPolyDataMapper.h>
#include <vtkPolyDataNormals.h>
#include <vtkQuadricLODActor.h>
#include <vtkStripper.h>

#include <cpExtensions/Visualization/MPRObjects.h>

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

namespace Ui
{
  class SimpleMPRWidget;
}

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

    public:
      typedef SimpleMPRWidget Self;

      typedef cpExtensions::Visualization::MPRObjects TMPRObjects;
      typedef TMPRObjects::TStyle                     TStyle;
      typedef TMPRObjects::TMouseCommand              TMouseCommand;
      typedef TMPRObjects::TMouseWheelCommand         TMouseWheelCommand;
      typedef TMPRObjects::TKeyCommand                TKeyCommand;
      typedef TMPRObjects::TVoidCommand               TVoidCommand;
      typedef TMPRObjects::TMouseMoveCommand          TMouseMoveCommand;
      typedef TMPRObjects::TMouseClickCommand         TMouseClickCommand;
      typedef TMPRObjects::TMouseDoubleClickCommand   TMouseDoubleClickCommand;
      typedef TMPRObjects::TExposeCommand             TExposeCommand;
      typedef TMPRObjects::TConfigureCommand          TConfigureCommand;
      typedef TMPRObjects::TEnterCommand              TEnterCommand;
      typedef TMPRObjects::TLeaveCommand              TLeaveCommand;

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

      // Data management
      unsigned int GetNumberOfData( ) const;
      bool AddData(
        vtkImageData* data, const std::string& name,
        const std::string& parent
        );
      bool AddData(
        vtkPolyData* data, const std::string& name
        );
      const std::string& GetMainImage( ) const;
      bool SetMainImage( const std::string& name );
      void DeleteData( const std::string& name );
      void DeleteAllData( );

      // Some qt accessors
      void SetDataColor(
        const std::string& name,
        const double& r, const double& g, const double& b
        );
      void ShowData( const std::string& name );
      void HideData( const std::string& name );
      void SetWindowLevel( const double& w, const double& l );
      double GetWindow( ) const;
      double GetLevel( ) const;

      vtkRenderWindowInteractor* GetInteractor( unsigned int i );

      // Visual objects accessors
      std::string GetSelectedData( ) const;
                                          
    private slots:
      void _SyncBottom( int a, int b );
      void _SyncTop( int a, int b );

    protected:
      static double cm_Colors[ 8 ][ 3 ];

      Ui::SimpleMPRWidget*           m_UI;
      vtkSmartPointer< TMPRObjects > m_MPRObjects;
      QVTKWidget*                    m_VTK[ 4 ];

      struct PolyDataActor
      {
        vtkPolyData*        Mesh;
        vtkPolyDataNormals* Normals;
        vtkStripper*        Stripper;
        vtkPolyDataMapper*  Mapper;
        vtkQuadricLODActor* Actor;

        PolyDataActor( );
        virtual ~PolyDataActor( );
        void Configure( vtkPolyData* pd );
      };

      struct Data
      {
        enum { IMAGE, MESH } Tag;
        vtkImageData*        Image;
        PolyDataActor        Mesh;

        Data( );
        virtual ~Data( );

        Data& operator=( const Data& data );

        void SetImageData( vtkImageData* data );
        void SetPolyData( vtkPolyData* data );

        vtkImageData* GetImage( );
        vtkPolyData* GetMesh( );
        vtkProp* GetMeshActor( );
      };

      std::string m_MainImage;
      std::map< std::string, Data >        m_Data;
      std::map< std::string, std::string > m_Tree;
    };

  } // ecapseman

} // ecapseman

#endif // cpExtensions_QT4

#endif // __CPEXTENSIONS__QT__SIMPLEMPRWIDGET__H__

// eof - $RCSfile$