/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/Fireworks/Core/src/FWGeometryTableViewManager.cc

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// -*- C++ -*-
//
// Package:     Core
// Class  :     FWGeometryTableViewManager
// 
// Implementation:
//     [Notes on implementation]
//
// Original Author:  Alja Mrak-Tadel
//         Created:  Fri Jul  8 00:40:37 CEST 2011
// $Id: FWGeometryTableViewManager.cc,v 1.11 2013/04/05 23:53:42 amraktad Exp $
//

#include <boost/bind.hpp>

#include "TFile.h"
#include "TSystem.h"
#include "TGeoManager.h"
#include "TGeoMatrix.h"
#include "TEveManager.h"

#include "Fireworks/Core/interface/FWGeometryTableViewManager.h"
#include "Fireworks/Core/src/FWGeometryTableView.h"
#include "Fireworks/Core/src/FWOverlapTableView.h"
#include "Fireworks/Core/interface/FWGeometry.h"
#include "Fireworks/Core/interface/FWGUIManager.h"
#include "Fireworks/Core/interface/FWColorManager.h"
#include "Fireworks/Core/interface/fwLog.h"

TGeoManager* FWGeometryTableViewManager::s_geoManager = 0;

TGeoManager* FWGeometryTableViewManager_GetGeoManager() { return FWGeometryTableViewManager::getGeoMangeur(); }

FWGeometryTableViewManager::FWGeometryTableViewManager(FWGUIManager* iGUIMgr, std::string fileName):
   FWViewManagerBase(),
   m_fileName(fileName)
{
   FWGUIManager::ViewBuildFunctor f;
   f=boost::bind(&FWGeometryTableViewManager::buildView, this, _1, _2);                
   iGUIMgr->registerViewBuilder(FWViewType::idToName(FWViewType::kGeometryTable), f);
   iGUIMgr->registerViewBuilder(FWViewType::idToName(FWViewType::kOverlapTable), f);
}

FWGeometryTableViewManager::~FWGeometryTableViewManager()
{ 
}


FWViewBase*
FWGeometryTableViewManager::buildView(TEveWindowSlot* iParent, const std::string& type)
{
   if (!s_geoManager) setGeoManagerFromFile();
   boost::shared_ptr<FWGeometryTableViewBase> view;

   FWViewType::EType typeId = (type == FWViewType::sName[FWViewType::kGeometryTable]) ?  FWViewType::kGeometryTable : FWViewType::kOverlapTable;
   if (typeId == FWViewType::kGeometryTable)
      view.reset( new FWGeometryTableView(iParent, &colorManager()));
   else
      view.reset( new FWOverlapTableView(iParent, &colorManager()));

   view->setBackgroundColor();
   m_views.push_back(boost::shared_ptr<FWGeometryTableViewBase> (view));
   view->beingDestroyed_.connect(boost::bind(&FWGeometryTableViewManager::beingDestroyed, this,_1));
                                            
   return view.get();
}


void
FWGeometryTableViewManager::beingDestroyed(const FWViewBase* iView)
{
   for(std::vector<boost::shared_ptr<FWGeometryTableViewBase> >::iterator it=m_views.begin(); it != m_views.end(); ++it) {
      if(it->get() == iView) {
         m_views.erase(it);
         return;
      }
   }
}

void
FWGeometryTableViewManager::colorsChanged()
{
  for(std::vector<boost::shared_ptr<FWGeometryTableViewBase> >::iterator it=m_views.begin(); it != m_views.end(); ++it)
      (*it)->setBackgroundColor();
}

//______________________________________________________________________________
TGeoManager*
FWGeometryTableViewManager::getGeoMangeur()
{
   // Function used in geomtery table views.

   assert( s_geoManager);
   return s_geoManager;
}

//______________________________________________________________________________
void
FWGeometryTableViewManager::setGeoManagerRuntime(TGeoManager* x)
{
   // Function called from FWFFLooper to set geometry created in runtime.

   s_geoManager = x;
}

//______________________________________________________________________________
void
FWGeometryTableViewManager::setGeoManagerFromFile()
{ 
   TFile* file = FWGeometry::findFile( m_fileName.c_str() );
   fwLog(fwlog::kInfo) << "Geometry table file: " << m_fileName.c_str() << std::endl;
   try 
   {
      if ( ! file )
         throw std::runtime_error("No root file.");
      
      file->ls();
      
      s_geoManager = (TGeoManager*) file->Get("cmsGeo;1");      
      if ( ! s_geoManager)
         throw std::runtime_error("Can't find TGeoManager object in selected file.");

   }
   catch (std::runtime_error &e)
   {
      fwLog(fwlog::kError) << "Failed to find simulation geomtery file. Please set the file path with --sim-geom-file option.\n";
      exit(0);
   }
}