/*=========================================================================                                                                               
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::GConnectorModel 
*/


#include "GConnectorModel.h"

namespace bbtk
{

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

	GConnectorModel::GConnectorModel()
	{		
		_startPort = NULL;
		_endPort = NULL;
	}

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

	GConnectorModel::~GConnectorModel()
	{
	}

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

	void GConnectorModel::setStartPort(GPortModel* startPort)
	{
		_startPort = startPort;
		startPort->setConnected(true);
		
		double xCenter,yCenter,zCenter;
		startPort->getCenter(xCenter,yCenter,zCenter);
		double xFport,yFport,zFport;
		startPort->getFinalPoint(xFport,yFport,zFport);

		setInicPoint(xCenter,yFport,zCenter);
	}

	//=========================================================================
	
	void GConnectorModel::setEndPort(GPortModel* endPort)
	{
		_endPort = endPort;
		endPort->setConnected(true);

		double xCenter,yCenter,zCenter;		
		endPort->getCenter(xCenter,yCenter,zCenter);
		double xIport,yIport,zIport;
		endPort->getInicPoint(xIport,yIport,zIport);

		setFinalPoint(xCenter,yIport,zCenter);

		// Sets the last point of the contour model in the position of the end input port
		manualPoint* point = _model->GetManualPoint(_model->GetSizeLstPoints()-1);
		point->SetPoint(xCenter,yIport,zCenter);
	}

	//=========================================================================
	
	GPortModel* GConnectorModel::getStartPort()
	{
		return _startPort;
	}

	//=========================================================================
	
	GPortModel* GConnectorModel::getEndPort()
	{
		return _endPort;
	}
	
	//=========================================================================

	manualContourModel* GConnectorModel::getManualContourModel()
	{
		return _model;
	}

	//=========================================================================
	
	void GConnectorModel::setManualContourModel(manualContourModel* model)
	{
		_model = model;
	}

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

	void GConnectorModel::updateStartEndPoints()
	{
		
		//back point
		double bsx,bsy; // back start for x and y
		double nsx,nsy;
		double bex,bey; // new start for x and y
		double nex,ney;
		
		//Start Point
		double xCenter,yCenter,zCenter;		
		_startPort->getCenter(xCenter,yCenter,zCenter);
		double xport,yport,zport;
		_startPort->getFinalPoint(xport,yport,zport);

		// Refresh the position of the contourModel first point with the data of the connector model
		manualPoint* point = _model->GetManualPoint(0);
		bsx=point->GetX(); 
		bsy=point->GetY(); 
		point->SetPoint(xCenter,yport,zCenter);
		nsx=xCenter;
		nsy=yport;
		
		//End Point	
		_endPort->getCenter(xCenter,yCenter,zCenter);
		_endPort->getInicPoint(xport,yport,zport);

		// Refresh the position of the contourModel last point with the data of the connector model
		point = _model->GetManualPoint(_model->GetSizeLstPoints()-1);
		bex=point->GetX(); 
		bey=point->GetY(); 
		point->SetPoint(xCenter,yport,zCenter);
		nex=xCenter;
		ney=yport;

		
		// moving point of the spline connection
		if ( ((bsx!=nsx)&&(bex!=nex)) ||  ((bsy!=nsy)&&(bey!=ney)) )
		{
			double difx=bsx-nsx; 
			double dify=bey-ney;
			double tmpX, tmpY, tmpZ;
			int i,size=_model->GetSizeLstPoints();
			if (size>2)
			{
				for (i=1;i<size-1;i++)
				{
					point = _model->GetManualPoint(i);
					tmpX = point->GetX();
					tmpY = point->GetY();
					tmpZ = point->GetZ();
					point->SetPoint(tmpX-difx,tmpY-dify,tmpZ);
				} // for i
			}// if size
		} // if bsx nsx  bex nex   bsy nsy bey ney 
	}

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

	void GConnectorModel::disconnectConnection()
	{
		if(_startPort!=NULL)
		{
			_startPort->setConnected(false);			
		}

		if(_endPort!=NULL)
		{
			_endPort->setConnected(false);
		}
	}

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

	void GConnectorModel::save(std::string &content)
	{
		char buffer[50];

		content+="CONNECTION\n";

		// Connection info
		content+=_startPort->getParentBox()->getBBTKName();
		content+=":";
		content+=_startPort->getBBTKName();
		content+=":";
		content+=_endPort->getParentBox()->getBBTKName();
		content+=":";
		content+=_endPort->getBBTKName();
		content+="\n";
		
		int i,sizeLstPoints = _model->GetSizeLstPoints()-2;
		content+="NumberOfControlPoints:";
		sprintf (buffer, "%d", sizeLstPoints );
		content+=buffer;
		content+="\n";
		
		for (i=0;i<sizeLstPoints;i++)
		{
			manualPoint *mp = _model->GetManualPoint(i+1);
			sprintf (buffer, "%f:%f:%f\n", (float)mp->GetX(),(float)mp->GetY(),(float)mp->GetZ() );
			content+=buffer;
		}		
	}

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

}  // EO namespace bbtk

// EOF