/*=========================================================================                                                                               
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::wxVtkSceneManager . 
*/


#include "wxVtkSceneManager.h"

namespace bbtk
{


	//=========================================================================
	wxVtkSceneManager::wxVtkSceneManager(wxDropTarget *parent, wxVtk3DBaseView *baseView,int id)
	{
		_id=id;
		_baseView=baseView;
		if( _baseView!=NULL )
		{
			
			_baseView->GetWxVTKRenderWindowInteractor()->SetDropTarget(parent);
			registerController(this);
			configureBaseView();

			///// ******* TO ERASE *******
			//JUST TO TEST
			//		
			/*
			vtkConeSource *cone = vtkConeSource::New();
	
		   cone->SetResolution(10);
			
		   vtkPolyDataMapper *map = vtkPolyDataMapper::New();
		   map->SetInput(cone->GetOutput());
			
		   vtkActor *act = vtkActor::New();
			
		   act->SetMapper(map);
			
		   vtkPoints *_pts = vtkPoints::New();
			_pts->SetNumberOfPoints(4);

			_pts->SetPoint(0, -100	, -100	, 900 );
			_pts->SetPoint(1,  100	, -100	, 900 );
			_pts->SetPoint(2,  100	,  100	, 900 );
			_pts->SetPoint(3, -100	,  100	, 900 );
	
			vtkCellArray *lines = vtkCellArray::New();
			lines->InsertNextCell(5);
			lines->InsertCellPoint(0);
			lines->InsertCellPoint(1);
			lines->InsertCellPoint(2);
			lines->InsertCellPoint(3);
			lines->InsertCellPoint(0);

			vtkPolyData *_pd = vtkPolyData::New();
			_pd->SetPoints( _pts );
			_pd->SetLines( lines );

			vtkActor *_pointVtkActor	=	vtkActor::New();
			vtkPolyDataMapper* _bboxMapper		=	vtkPolyDataMapper::New();

			_bboxMapper->SetInput(_pd);
			_pointVtkActor->SetMapper(_bboxMapper);

			getRenderer()->AddActor(_pointVtkActor);

			
			
		   			
		   vtkPoints *_pts2 = vtkPoints::New();
			_pts2->SetNumberOfPoints(4);

			_pts2->SetPoint(0, -105	, -100	, -50 );
			_pts2->SetPoint(1,  100	, -100	, -50 );
			_pts2->SetPoint(2,  100	,  100	, -50 );
			_pts2->SetPoint(3, -105	,  100	, -50 );
	
			vtkCellArray *lines2 = vtkCellArray::New();
			lines2->InsertNextCell(5);
			lines2->InsertCellPoint(0);
			lines2->InsertCellPoint(1);
			lines2->InsertCellPoint(2);
			lines2->InsertCellPoint(3);
			lines2->InsertCellPoint(0);

			vtkPolyData *_pd2 = vtkPolyData::New();
			_pd2->SetPoints( _pts2 );
			_pd2->SetLines( lines2 );

			vtkActor *_pointVtkActor2	=	vtkActor::New();
			vtkPolyDataMapper* _bboxMapper2		=	vtkPolyDataMapper::New();

			_bboxMapper2->SetInput(_pd2);
			_pointVtkActor2->SetMapper(_bboxMapper2);

			getRenderer()->AddActor(_pointVtkActor2);

			*/
			// ******* TO ERASE *******
			/////////////////////
			
		}
	}


	//=========================================================================
	void wxVtkSceneManager::disconnectDrop()
	{
		_baseView->GetWxVTKRenderWindowInteractor()->SetDropTarget(NULL);
	}
	//=========================================================================
	wxVtkSceneManager::~wxVtkSceneManager()
	{
	}
	//=========================================================================

	void wxVtkSceneManager::configureBaseView()
	{
		vtkInteractorStyleBaseView2D *interactorstylebaseview = vtkInteractorStyleBaseView2D::New();

		_baseView->SetInteractorStyleBaseView(interactorstylebaseview);

		// Important to activate the 2D interaction system
		wxVTKRenderWindowInteractor *iren = _baseView->GetWxVTKRenderWindowInteractor();
		interactorstylebaseview->SetInteractor ( iren );
		iren->SetInteractorStyle(interactorstylebaseview);
		interactorstylebaseview->SetwxVtkBaseView(_baseView);
		
		double posCamera[3];
		_baseView->GetRenderer()->GetActiveCamera()->ParallelProjectionOn();
		_baseView->GetRenderer()->GetActiveCamera()->SetPosition(0,0,1000);
		_baseView->GetRenderer()->GetActiveCamera()->GetPosition(posCamera);
		_baseView->GetRenderer()->ResetCamera();
		_baseView->GetRenderer()->ResetCameraClippingRange();
		

		_baseView->GetRenderer()->SetBackground(0.9,0.9,0.9);
		_baseView->GetRenderer()->GradientBackgroundOff();
		_baseView->Refresh();
	}

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

	void wxVtkSceneManager::createGBlackBox(int x, int y, std::string packageName, std::string boxName)
	{

		int windowWidth=_baseView->GetRenWin()->GetSize()[0];
		int windowHeight=_baseView->GetRenWin()->GetSize()[1];

		int type = GBLACKBOX;

		//Create the MVC Objects
		
		GBlackBoxModel *model = (GBlackBoxModel*)GObjectsMVCFactory::getInstance()->createGObjectModel(type);
		vtkGObjectView *view = GObjectsMVCFactory::getInstance()->createGObjectView(type);
		GObjectController* controller = GObjectsMVCFactory::getInstance()->createGObjectController(type);
		
		BlackBoxDescriptor::Pointer descriptor = GObjectsMVCFactory::getInstance()->getBlackBoxDescriptor(packageName, boxName);
		
		//Prepares the initial model
		//The coordinates obtained are the following. Top-Left:x=0,y=0 Bottom-Right:x=width,y=height  

		double xx = x;
		double yy =  windowHeight-y;
		
		//z value is not important yet, because it is only used a parallel projection
		double zz = 900;

		_baseView->TransCoordScreenToWorld(xx,yy,zz);
		model->setInicPoint(xx,yy,zz);
		
		int cantObjects = _objects.size();
		cantObjects++;
		std::stringstream stream;
		stream << "Box " << cantObjects;
		std::string arraystring = stream.str();

		model->setBBTKName(arraystring);
		model->setBBTKType(boxName);
				
		model->addObserver(view);
		model->addObserver(this);

		//Iterate and create the input ports
		std::map<std::string, BlackBoxInputDescriptor*> descriptorInMap = descriptor->GetInputDescriptorMap();
		std::map<std::string, BlackBoxInputDescriptor*>::iterator itInput;

		int i=0;
		for(itInput = descriptorInMap.begin(); itInput != descriptorInMap.end(); ++itInput)
		{
			BlackBoxInputDescriptor *desc = itInput->second;
			createGInputPort(desc,model,i);
			i++;
		}

		//Iterate and create the output ports
		std::map<std::string, BlackBoxOutputDescriptor*> descriptorOutMap = descriptor->GetOutputDescriptorMap();
		std::map<std::string, BlackBoxOutputDescriptor*>::iterator itOutput;

		i=0;
		for(itOutput = descriptorOutMap.begin();itOutput != descriptorOutMap.end(); ++itOutput)
		{
			BlackBoxOutputDescriptor *desc = itOutput->second;
			createGOutputPort(desc,model,i);
			i++;
		}


		//Associates the view with the correspondent renderer and the  model.
		//(NOTE: Refresh is only made by the view)
		view->setModel(model);
		view->setBaseView(_baseView);
		view->initVtkObjects();
		
		//Associates the controller with the correspondent model and view
		controller->setModelAndView(model,view);

		//Resgiter change to the observers of the actual model
		model->setChanged();
		model->notifyObservers();
		
		//Register the controller of the new object
		registerController((InteractorStyleMaracas*) controller);

		//Add the object to the objects list (only boxes and connectors)
		_objects.push_back(model);

	}

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

	void wxVtkSceneManager::createGOutputPort(BlackBoxOutputDescriptor *desc,GBlackBoxModel *blackBox, int pos)
	{
		int type = GPORT;

		//Create the MVC Objects
		GPortModel *model = (GPortModel*)GObjectsMVCFactory::getInstance()->createGObjectModel(type);
		vtkGObjectView *view = GObjectsMVCFactory::getInstance()->createGObjectView(type);
		GObjectController* controller = GObjectsMVCFactory::getInstance()->createGObjectController(type);

		model->registerInBox(blackBox,GOUTPUTPORT, pos);
		blackBox->addOutputPort(model);
		
		model->addObserver(view);
		model->addObserver(this);

		//Associates the view with the correspondent renderer and the  model.
		//(NOTE: Refresh is only made by the view)
		view->setModel(model);
		view->setBaseView(_baseView);
		view->initVtkObjects();
		
		//Associates the controller with the correspondent model and view
		controller->setModelAndView(model,view);

		//Register the controller of the new object
		registerController((InteractorStyleMaracas*) controller);
	}

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

	void wxVtkSceneManager::createGInputPort(BlackBoxInputDescriptor *desc,GBlackBoxModel *blackBox, int pos)
	{
		int type = GPORT;

		//Create the MVC Objects
		GPortModel *model = (GPortModel*)GObjectsMVCFactory::getInstance()->createGObjectModel(type);
		vtkGObjectView *view = GObjectsMVCFactory::getInstance()->createGObjectView(type);
		GObjectController* controller = GObjectsMVCFactory::getInstance()->createGObjectController(type);

		model->registerInBox(blackBox,GINPUTPORT,pos);
		blackBox->addInputPort(model);

		model->addObserver(view);
		model->addObserver(this);

		//Associates the view with the correspondent renderer and the  model.
		//(NOTE: Refresh is only made by the view)
		view->setModel(model);
		view->setBaseView(_baseView);
		view->initVtkObjects();
		
		//Associates the controller with the correspondent model and view
		controller->setModelAndView(model,view);

		//Register the controller of the new object
		registerController((InteractorStyleMaracas*) controller);
	}

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

	void wxVtkSceneManager::createGConnector(GPortModel* startPort)
	{
		manualContourControler* manContourControl	= new manualContourControler();
		GConnectorView* manViewerContour	= new GConnectorView();
		manualContourModel* manContourModel	= new manualContourModel();

		
		manViewerContour->SetModel( manContourModel );
		manViewerContour->SetWxVtkBaseView( _baseView );
		manViewerContour->SetRange( 0.5 );
		manViewerContour->SetZ( 900 );

		manViewerContour->SetColorNormalContour(0, 0, 1);
		manViewerContour->SetColorEditContour(0.5, 0.5, 0.5);
		manViewerContour->SetColorSelectContour(1, 0.8, 0);
		manViewerContour->SetWidthLine(1);

		manContourControl->SetModelView( manContourModel , manViewerContour );
		manContourControl->Configure();
		int i,sizeLstPoints = manContourModel->GetSizeLstPoints();
		//std::cout<<"RaC wxVtkSceneManager::createGConnector "<<this<<" size:"<<sizeLstPoints<<std::endl;
		for ( i=0; i<sizeLstPoints; i++ )
		{
			manViewerContour->AddPoint();
		}

		manContourControl->CreateNewManualContour();
		manViewerContour->RefreshContour();			
		registerController((InteractorStyleMaracas*) manContourControl);

	}

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

	void wxVtkSceneManager::registerController(InteractorStyleMaracas *param)
	{
		vtkInteractorStyleBaseView* baseViewControlManager = (vtkInteractorStyleBaseView*)_baseView->GetInteractorStyleBaseView();
		baseViewControlManager->AddInteractorStyleMaracas( param );
	}

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

	vtkRenderer* wxVtkSceneManager::getRenderer()
	{
		return _baseView->GetRenderer();
	}

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

	vtkRenderWindow* wxVtkSceneManager::getRenderWindow()
	{
		return _baseView->GetRenWin();
	}
	//=========================================================================

	bool wxVtkSceneManager::OnMouseMove()
	{
		return true;
	}

	//=========================================================================
	
	void wxVtkSceneManager::update(int command)
	{
		
		if(command==INIT_CREATION_CONTOUR)
		{
			for(int i = 0; i<_objects.size();i++)
			{
				if(_objects[i]->getGObjectType() == GBLACKBOX)
				{
					
					GPortModel* startOutputPort=((GBlackBoxModel*)_objects[i])->getStartOutputPort();
					createGConnector(startOutputPort);

				}
				else
				{
					// The others must not react to events
				}
			}
		}
	}

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

}  // EO namespace bbtk

// EOF