/*=========================================================================                                                                               
Program:   bbtk
Module:    $RCSfile$
Language:  C++
Date:      $Date$
Version:   $Revision$
=========================================================================*/

/* ---------------------------------------------------------------------

* Copyright (c) CREATIS-LRMN (Centre de Recherche en Imagerie Medicale)
* Authors : Eduardo Davila, Laurent Guigues, Jean-Pierre Roux
*
*  This software is governed by the CeCILL-B license under French law and 
*  abiding by the rules of distribution of free software. You can  use, 
*  modify and/ or redistribute the software under the terms of the CeCILL-B 
*  license as circulated by CEA, CNRS and INRIA at the following URL 
*  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html 
*  or in the file LICENSE.txt.
*
*  As a counterpart to the access to the source code and  rights to copy,
*  modify and redistribute granted by the license, users are provided only
*  with a limited warranty  and the software's author,  the holder of the
*  economic rights,  and the successive licensors  have only  limited
*  liability. 
*
*  The fact that you are presently reading this means that you have had
*  knowledge of the CeCILL-B license and that you accept its terms.
* ------------------------------------------------------------------------ */                                                                         

/**
*  \file 
*  \brief Class bbtk::GBlackBoxController 
*/


#include "GBlackBoxController.h"

namespace bbtk
{


	//=========================================================================
	GBlackBoxController::GBlackBoxController()
	{
		
	}

	//=========================================================================
	GBlackBoxController::~GBlackBoxController()
	{
	}
	//=========================================================================

	bool GBlackBoxController::OnMouseMove()
	{
		
		if ( _vtkInteractorStyleBaseView!=NULL)
		{
			int X,Y;
			wxVTKRenderWindowInteractor *_wxVTKiren;
			_wxVTKiren= _vtkInteractorStyleBaseView->GetWxVtk3DBaseView()->GetWxVTKRenderWindowInteractor();
			_wxVTKiren->GetEventPosition( X , Y );

			int state  = _view->getState();
			
			//Evaluate new state
			if(!_model->hasChanged() && state == DRAG)
			{
				moveObject(X,Y);
				_model->setChanged();
			}

			if(!_model->hasChanged() && state == NOTHING_HAPPENS)
			{
				if(_view->isPointInside(X,Y))
				{
					_view->setState(HIGHLIGHTED);
					_model->setChanged();				
				}			
			}
			if(!_model->hasChanged() && state==HIGHLIGHTED)
			{
				if(!_view->isPointInside(X,Y))
				{
					_view->setState(NOTHING_HAPPENS);
					_model->setChanged();
				}
			}
			
			_model->notifyObservers(_id);
			
		}
		return true;
	}

	//=========================================================================
	
	bool GBlackBoxController::OnLeftButtonDown()
	{
		
		if ( _vtkInteractorStyleBaseView!=NULL )
		{
			int X,Y;
			wxVTKRenderWindowInteractor *wxVTKiren;
			wxVTKiren = _vtkInteractorStyleBaseView->GetWxVtk3DBaseView()->GetWxVTKRenderWindowInteractor();
			wxVTKiren->GetEventPosition(X,Y);

			int state  = _view->getState();
			
			//Evaluate new state
			if(!_model->hasChanged() && state==HIGHLIGHTED)
			{
				_view->isStartDragging(true);
				_view->setState(DRAG);
				_model->setChanged();
			}

			if( !_model->hasChanged() && state == SELECTED)
			{
				if(_view->isPointInside(X,Y))
				{
					_view->isStartDragging(true);
					_view->setState(DRAG);
					_model->setChanged();
				}	
			}
			
			_model->notifyObservers(_id);
		}
		return true;
	}

	//=========================================================================
	
	bool GBlackBoxController::OnLeftButtonUp()
	{
		if ( _vtkInteractorStyleBaseView!=NULL )
		{
			int X,Y;
			wxVTKRenderWindowInteractor *wxVTKiren;
			wxVTKiren = _vtkInteractorStyleBaseView->GetWxVtk3DBaseView()->GetWxVTKRenderWindowInteractor();
			wxVTKiren->GetEventPosition(X,Y);

			int state  = _view->getState();
			
			//Evaluate new state
			if(!_model->hasChanged() && state==CLICKED)
			{
				_view->setState(SELECTED);
				_model->setChanged();
			}

			if( !_model->hasChanged() && state == DRAG)
			{
				_view->setState(SELECTED);
				_model->setChanged();
			}

			_model->notifyObservers(_id);

		}
		return true;
	}
	
	//=========================================================================
	
	bool GBlackBoxController::OnLeftDClick()
	{
		if ( _vtkInteractorStyleBaseView!=NULL )
		{
			int X,Y;
			wxVTKRenderWindowInteractor *wxVTKiren;
			wxVTKiren = _vtkInteractorStyleBaseView->GetWxVtk3DBaseView()->GetWxVTKRenderWindowInteractor();
			wxVTKiren->GetEventPosition(X,Y);

			_model->notifyObservers(_id);
		}
		return true;
	}
	
	//=========================================================================
	
	bool GBlackBoxController::OnRightButtonDown()
	{
		if( _vtkInteractorStyleBaseView!= NULL )
		{
			int X,Y;
			wxVTKRenderWindowInteractor *wxVTKiren;
			wxVTKiren = _vtkInteractorStyleBaseView->GetWxVtk3DBaseView()->GetWxVTKRenderWindowInteractor();
			wxVTKiren->GetEventPosition(X, Y);
			
			int state  = _view->getState();
			
			//Evaluate new state
			if( !_model->hasChanged() && state == SELECTED)
			{
				_view->setState(NOTHING_HAPPENS);
				_model->setChanged();			
			}

			_model->notifyObservers(_id);
		}
		return true;
	}

	//=========================================================================

}  // EO namespace bbtk

// EOF