/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_7/src/Fireworks/Core/src/FWEventAnnotation.cc

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#include "TGLViewer.h"
#include "TEveManager.h"

#include "Fireworks/Core/interface/FWEventAnnotation.h"
#include "Fireworks/Core/interface/FWGUIManager.h"
#include "Fireworks/Core/interface/BuilderUtils.h"
#include "Fireworks/Core/interface/FWConfiguration.h"

#include "DataFormats/FWLite/interface/Event.h"

FWEventAnnotation::FWEventAnnotation(TGLViewerBase *view):
   TGLAnnotation(view, "Event Info", 0.05, 0.95),
   m_level(1)
{
   SetRole(TGLOverlayElement::kViewer);
   SetUseColorSet(true);
   fAllowClose = false;
}

FWEventAnnotation::~FWEventAnnotation()
{
}

//______________________________________________________________________________

void
FWEventAnnotation::setLevel(long x)
{ 
   if (x != m_level)
   {
      m_level = x;
      fParent->Changed();
      gEve->Redraw3D();
   }
   updateOverlayText();
}


void
FWEventAnnotation::setEvent()
{
   updateOverlayText();
}

void
FWEventAnnotation::updateOverlayText()
{
   fText = "CMS Experiment at LHC, CERN";

   const edm::EventBase* event = FWGUIManager::getGUIManager()->getCurrentEvent();

   if (event && m_level)
   {
      fText += "\nData recorded: ";
      fText += fireworks::getLocalTime( *event );
      fText += "\nRun/Event: ";
      fText += event->id().run();
      fText += " / ";
      fText += event->id().event();
      if ( m_level > 1)
      {
         fText += "\nLumi section: ";
         fText += event->luminosityBlock();
      }
      if ( m_level > 2)
      {
         fText += "\nOrbit/Crossing: ";
         fText += event->orbitNumber();
         fText += " / ";
         fText += event->bunchCrossing();
      }
   }

   if (m_level)
   {
      fParent->Changed();
      gEve->Redraw3D();
   }
}

void
FWEventAnnotation::Render(TGLRnrCtx& rnrCtx)
{
   if (m_level)
      TGLAnnotation::Render(rnrCtx);
}

//______________________________________________________________________________

void
FWEventAnnotation::addTo(FWConfiguration& iTo) const
{
   std::stringstream s;
   s<<fTextSize;
   iTo.addKeyValue("EventInfoTextSize",FWConfiguration(s.str()));

   std::stringstream x;
   x<<fPosX;
   iTo.addKeyValue("EventInfoPosX",FWConfiguration(x.str()));

   std::stringstream y;
   y<<fPosY;
   iTo.addKeyValue("EventInfoPosY",FWConfiguration(y.str()));
}

void
FWEventAnnotation::setFrom(const FWConfiguration& iFrom) 
{
   const FWConfiguration* value;

   value = iFrom.valueForKey("EventInfoTextSize");
   if (value) fTextSize = atof(value->value().c_str());

   value = iFrom.valueForKey("EventInfoPosX");
   if (value) fPosX = atof(value->value().c_str());

   value = iFrom.valueForKey("EventInfoPosY");
   if (value) fPosY = atof(value->value().c_str());

}