#include <cpExtensions/Interaction/SeedWidget.h>

#include <vtkEvent.h>
#include <vtkWidgetCallbackMapper.h>
#include <vtkWidgetEvent.h>

// -------------------------------------------------------------------------
cpExtensions::Interaction::SeedWidget::
Self* cpExtensions::Interaction::SeedWidget::
New( )
{
  return( new Self );
}

// -------------------------------------------------------------------------
void cpExtensions::Interaction::SeedWidget::
SetInteractor( vtkRenderWindowInteractor* rwi )
{
  this->Superclass::SetInteractor( rwi );
  /* TODO
     if( rwi != NULL )
     {
     TBaseStyle* s =
     dynamic_cast< TBaseStyle* >( rwi->GetInteractorStyle( ) );
     if( s != NULL )
     {
     s->AddMouseClickCommand( Self::_Click, this );
     s->AddMouseDoubleClickCommand( Self::_DoubleClick, this );

     } // fi

     } // fi
  */
}

// -------------------------------------------------------------------------
cpExtensions::Interaction::SeedWidget::
SeedWidget( )
  : Superclass( )
{
  // These are the event callbacks supported by this widget
  this->CallbackMapper->SetCallbackMethod(
    vtkCommand::LeftButtonPressEvent,
    vtkWidgetEvent::AddPoint,
    this, Self::_AddPointAction
    );
  this->CallbackMapper->SetCallbackMethod(
    vtkCommand::RightButtonPressEvent,
    vtkWidgetEvent::Completed,
    this, Self::_CompletedAction
    );
  this->CallbackMapper->SetCallbackMethod(
    vtkCommand::MouseMoveEvent,
    vtkWidgetEvent::Move,
    this, Self::_MoveAction
    );
  this->CallbackMapper->SetCallbackMethod(
    vtkCommand::LeftButtonReleaseEvent,
    vtkWidgetEvent::EndSelect,
    this, Self::_EndSelectAction
    );
  this->CallbackMapper->SetCallbackMethod(
    vtkCommand::KeyPressEvent,
    vtkEvent::NoModifier, 127, 1, "Delete",
    vtkWidgetEvent::Delete,
    this, Self::_DeleteAction
    );
}

// -------------------------------------------------------------------------
cpExtensions::Interaction::SeedWidget::
~SeedWidget( )
{
}

// -------------------------------------------------------------------------
void cpExtensions::Interaction::SeedWidget::
_AddPointAction( vtkAbstractWidget* wdg )
{
  Self* self = dynamic_cast< Self* >( wdg );
  if( self == NULL )
    return;
  auto iren = self->GetInteractor( );
  if( iren == NULL )
    return;
  int shift = iren->GetShiftKey( );
  if( shift == 1 )
    Self::AddPointAction( wdg );
}

// -------------------------------------------------------------------------
void cpExtensions::Interaction::SeedWidget::
_CompletedAction( vtkAbstractWidget* wdg )
{
  // Do nothing
  Self::CompletedAction( wdg );
}

// -------------------------------------------------------------------------
void cpExtensions::Interaction::SeedWidget::
_MoveAction( vtkAbstractWidget* wdg )
{
  // Do nothing
  Self::MoveAction( wdg );
}

// -------------------------------------------------------------------------
void cpExtensions::Interaction::SeedWidget::
_EndSelectAction( vtkAbstractWidget* wdg )
{
  // Do nothing
  Self::EndSelectAction( wdg );
}

// -------------------------------------------------------------------------
void cpExtensions::Interaction::SeedWidget::
_DeleteAction( vtkAbstractWidget* wdg )
{
  // Do nothing
  Self::DeleteAction( wdg );
}

// -------------------------------------------------------------------------
/* TODO
   void cpExtensions::Interaction::SeedWidget::
   _Click(
   void* data, const TBaseStyle::ButtonID& button,
   int* idx, double* pos, bool alt, bool ctr, bool sft
   )
   {
   SeedWidget* self = reinterpret_cast< SeedWidget* >( data );
   if( self == NULL )
   return;
   if( self->WidgetState == vtkSeedWidget::MovingSeed )
   return;

   int st = self->WidgetRep->ComputeInteractionState( idx[ 0 ], idx[ 1 ] );
   if( st == vtkSeedRepresentation::NearSeed )
   {
   self->WidgetState = vtkSeedWidget::MovingSeed;

   // Invoke an event on ourself for the handles
   self->InvokeEvent( vtkCommand::LeftButtonPressEvent, NULL );
   self->Superclass::StartInteraction( );
   self->InvokeEvent( vtkCommand::StartInteractionEvent, NULL );
   self->EventCallbackCommand->SetAbortFlag( 1 );
   self->Render( );

   } // fi
   }

   // -------------------------------------------------------------------------
   void cpExtensions::Interaction::SeedWidget::
   _DoubleClick(
   void* data, const TBaseStyle::ButtonID& button,
   int* idx, double* pos, bool alt, bool ctr, bool sft
   )
   {
   Self::AddPointAction( reinterpret_cast< vtkAbstractWidget* >( data ) );
   }
*/

// eof - $RCSfile$