#include <cpExtensions/QT/MPRInteractionCommand.h>

#ifdef cpExtensions_QT4

#include <cpExtensions/Interaction/ImageSliceStyle.h>
#include <cpExtensions/Visualization/ImageViewerActors.h>
#include <cpExtensions/QT/ImageWidget.h>
#include <cpExtensions/QT/MPR3DWidget.h>
#include <vtkImageData.h>

// -------------------------------------------------------------------------
cpExtensions::QT::MPRInteractionCommand::
Self* cpExtensions::QT::MPRInteractionCommand::
New( )
{
  return( new Self( ) );
}

// -------------------------------------------------------------------------
void cpExtensions::QT::MPRInteractionCommand::
AddWidget( QWidget* w )
{
  typedef cpExtensions::QT::ImageWidget _TImageWidget;
  typedef cpExtensions::QT::MPR3DWidget _TMPR3DWidget;

  auto img = dynamic_cast< _TImageWidget* >( w );
  auto ren = dynamic_cast< _TMPR3DWidget* >( w );
  if( img != NULL )
    this->m_ImageWidgets.insert( img );
  else if( ren != NULL )
    this->m_MPR3DWidgets.insert( ren );
}

// -------------------------------------------------------------------------
void cpExtensions::QT::MPRInteractionCommand::
Execute( vtkObject* caller, unsigned long evId, void* data )
{
  typedef cpExtensions::Interaction::ImageSliceStyle _TStyle;

  static const unsigned long _SuperCursor = vtkCommand::UserEvent + 1;
  static const unsigned long _Slice = vtkCommand::UserEvent + 2;

  // Prepare interaction data
  auto* src = dynamic_cast< _TStyle* >( caller );
  if( src == NULL || ( evId != _SuperCursor && evId != _Slice ) )
    return;
  if( evId == _SuperCursor )
  {
    /* TODO
       auto ori = src->GetActors( )->GetOrientation( );
       auto img = src->GetActors( )->GetImage( );
       auto pos = reinterpret_cast< double* >( data );
       int ijk[ 3 ];
       double pcoords[ 3 ];
       img->ComputeStructuredCoordinates( pos, ijk, pcoords );

       for(
       auto i = this->m_ImageWidgets.begin( );
       i != this->m_ImageWidgets.end( );
       ++i
       )
       if( ( *i )->GetInteractorStyle( ) != src )
       ( *i )->SetSliceNumber( ijk[ ( *i )->GetOrientation( ) ] );
    
       for(
       auto r = this->m_MPR3DWidgets.begin( );
       r != this->m_MPR3DWidgets.end( );
       ++r
       )
       ( *r )->SetSlicesNumbers( ijk[ 0 ], ijk[ 1 ], ijk[ 2 ] );
    */
  }
  else if( evId == _Slice )
  {
    int slc = src->GetSliceNumber( );
    int ori = src->GetOrientation( );
    for(
      auto r = this->m_MPR3DWidgets.begin( );
      r != this->m_MPR3DWidgets.end( );
      ++r
      )
      ( *r )->SetSliceNumber( ori, slc );

  } // fi
}
      
// -------------------------------------------------------------------------
cpExtensions::QT::MPRInteractionCommand::
MPRInteractionCommand( )
  : Superclass( )
{
}

// -------------------------------------------------------------------------
cpExtensions::QT::MPRInteractionCommand::
~MPRInteractionCommand( )
{
}

#endif // cpExtensions_QT4

// eof - $RCSfile$