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// -*- C++ -*-
//
// Package:     Core
// Class  :     FWTriggerTableView
// $Id: FWTriggerTableView.cc,v 1.16 2011/02/16 18:38:36 amraktad Exp $
//

// system include files
#include <fstream>

#include "TEveWindow.h"
#include "TGComboBox.h"
#include "TGLabel.h"
#include "TGTextEntry.h"
//#include "TGHorizontalFrame.h"

// user include files
#include "Fireworks/Core/interface/FWColorManager.h"
#include "Fireworks/Core/interface/FWConfiguration.h"
#include "Fireworks/Core/interface/FWTriggerTableView.h"
#include "Fireworks/Core/interface/FWTriggerTableViewManager.h"
#include "Fireworks/Core/interface/FWEventItem.h"
#include "Fireworks/Core/interface/FWTriggerTableViewTableManager.h"
#include "Fireworks/Core/interface/FWJobMetadataManager.h"
#include "Fireworks/Core/interface/CmsShowViewPopup.h"
#include "Fireworks/Core/interface/FWGUIManager.h"
#include "Fireworks/Core/interface/fwLog.h"
#include "Fireworks/TableWidget/interface/FWTableWidget.h"


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

// configuration keys
static const std::string kColumns = "columns";
static const std::string kSortColumn = "sortColumn";
static const std::string kDescendingSort = "descendingSort";

//
//
// constructors and destructor
//
FWTriggerTableView::FWTriggerTableView (TEveWindowSlot* iParent, FWViewType::EType id)
   : FWViewBase(id, 2),
     m_regex(this,"Filter",std::string()),
     m_process(this,"Process",std::string((id == FWViewType::FWViewType::kTableHLT) ? "HLT" : "")),
     m_tableManager(new FWTriggerTableViewTableManager(this)),
     m_combo(0),
     m_eveWindow(0),
     m_vert(0),
     m_tableWidget(0),
     m_processList(0)
{  
   m_regex.changed_.connect(boost::bind(&FWTriggerTableView::dataChanged,this));


   m_eveWindow = iParent->MakeFrame(0);
   TGCompositeFrame *frame = m_eveWindow->GetGUICompositeFrame();

   m_vert = new TGVerticalFrame(frame);
   frame->AddFrame(m_vert, new TGLayoutHints(kLHintsExpandX | kLHintsExpandY));

   // have to have at least one column when call  FWTableWidget constructor
   m_columns.push_back( Column( "Name" ));

   m_tableWidget = new FWTableWidget(m_tableManager, frame); 
   m_tableWidget->SetHeaderBackgroundColor( gVirtualX->GetPixel( kWhite ));

   m_tableWidget->Connect("columnClicked(Int_t,Int_t,Int_t)", "FWTriggerTableView",
                          this, "columnSelected(Int_t,Int_t,Int_t)");
   m_vert->AddFrame(m_tableWidget, new TGLayoutHints(kLHintsExpandX | kLHintsExpandY));

   frame->MapSubwindows();
   frame->Layout();
   frame->MapWindow();
}

FWTriggerTableView::~FWTriggerTableView()
{
   // take out composite frame and delete it directly (without the timeout)
   TGCompositeFrame *frame = m_eveWindow->GetGUICompositeFrame();
   frame->RemoveFrame( m_vert );
   delete m_vert;

   m_eveWindow->DestroyWindowAndSlot();
   delete m_tableManager;
}

void
FWTriggerTableView::setBackgroundColor(Color_t iColor)
{
   m_backgroundColor = iColor;
   m_tableWidget->SetBackgroundColor(gVirtualX->GetPixel(iColor));
   m_tableWidget->SetLineSeparatorColor( gVirtualX->GetPixel(iColor == kWhite ?  kBlack : kWhite));
}

//
// const member functions
//

void
FWTriggerTableView::saveImageTo( const std::string& iName ) const
{
   std::string fileName = iName + ".txt";
   std::ofstream triggers( fileName.c_str() );

   triggers << m_columns[2].title << " " << m_columns[0].title << "\n";
   for( unsigned int i = 0, vend = m_columns[0].values.size(); i != vend; ++i )
      if( m_columns[1].values[i] == "1" )
         triggers << m_columns[2].values[i] << "\t" << m_columns[0].values[i] << "\n";
   triggers.close();
}


void FWTriggerTableView::dataChanged ()
{
   for(std::vector<Column>::iterator i = m_columns.begin(); i!= m_columns.end(); ++i)
      (*i).values.clear();

   edm::EventBase *base = const_cast<edm::EventBase*>(FWGUIManager::getGUIManager()->getCurrentEvent());
   if (fwlite::Event* event = dynamic_cast<fwlite::Event*>(base))
      fillTable(event);

   m_tableManager->dataChanged();
}

void
FWTriggerTableView::columnSelected (Int_t iCol, Int_t iButton, Int_t iKeyMod)
{
}


//______________________________________________________________________________

void
FWTriggerTableView::addTo( FWConfiguration& iTo ) const
{
   FWConfigurableParameterizable::addTo(iTo);
   FWConfiguration sortColumn( m_tableWidget->sortedColumn());
   iTo.addKeyValue( kSortColumn, sortColumn );
   FWConfiguration descendingSort( m_tableWidget->descendingSort());
   iTo.addKeyValue( kDescendingSort, descendingSort );
}

void
FWTriggerTableView::setFrom( const FWConfiguration& iFrom )
{
   const FWConfiguration *main = &iFrom;

   // unnecessary nesting for old version
   if (version() < 2)
   {
      if (typeId() == FWViewType::kTableHLT)
         main = iFrom.valueForKey( "HLTTriggerTableView" );
      else
         main = iFrom.valueForKey( "L1TriggerTableView" );
   }

   const FWConfiguration *sortColumn = main->valueForKey( kSortColumn );
   const FWConfiguration *descendingSort = main->valueForKey( kDescendingSort );
   if( sortColumn != 0 && descendingSort != 0 ) 
   {
      unsigned int sort = sortColumn->version();
      bool descending = descendingSort->version();
      if( sort < (( unsigned int ) m_tableManager->numberOfColumns()))
         m_tableWidget->sort( sort, descending );
   }

   if ( typeId() == FWViewType::kTableHLT )
   {
      const FWConfiguration* vp = iFrom.valueForKey("Process" );
      if ( vp && (vp->value() != m_process.value()))
         m_process.setFrom(iFrom);
   } 

   {
      const FWConfiguration* vp = iFrom.valueForKey("Filter" );
      if (vp && (vp->value() != m_regex.value()))
         m_regex.setFrom(iFrom);
   }
}

//______________________________________________________________________________

void
FWTriggerTableView::resetCombo() const
{
   if (m_combo && m_processList)
   {
      m_combo->RemoveAll();
      int cnt = 0;
      int id = -1;    
      for (std::vector<std::string>::iterator i = m_processList->begin(); i != m_processList->end(); ++i)
      {
         if (m_process.value() == *i ) id = cnt;

         m_combo->AddEntry((*i).c_str(), cnt);
         cnt++;
      }

      if(id < 0)
      {
         // fwLog(fwlog::kWarning) << "FWTriggerTableView: no trigger results with process name "<< m_process.value() << " is available" << std::endl;
         m_combo->AddEntry(m_process.value().c_str(), cnt);
         id = cnt;
      }

      m_combo->SortByName();
      m_combo->Select(id, false);
   }
}

void 
FWTriggerTableView::processChanged(const char* x)
{
   m_process.set(x);
   dataChanged();
}

bool
FWTriggerTableView::isProcessValid() const
{
   for (std::vector<std::string>::iterator i = m_processList->begin(); i!= m_processList->end(); ++i)
   {
      if (*i == m_process.value())
         return true;
   }
   return false;
}

void 
FWTriggerTableView::populateController(ViewerParameterGUI& gui) const
{
   gui.requestTab("Style").addParam(&m_regex);

   // resize filter frame
   TGCompositeFrame* parent =  gui.getTabContainer();
   TGFrameElement* el =  (TGFrameElement*) parent->GetList()->Last();
   el->fLayout->SetLayoutHints(kLHintsNormal);
   el->fFrame->Resize(180);
   
   // add combo for processes
   if (typeId() == FWViewType::kTableHLT)
   {
      TGHorizontalFrame* f = new TGHorizontalFrame(gui.getTabContainer());
      gui.getTabContainer()->AddFrame(f, new TGLayoutHints(kLHintsNormal, 2, 2,2,2 ));

      m_combo = new TGComboBox(f);
      f->AddFrame(m_combo);
      m_combo->Resize(140, 20);
      f->AddFrame(new TGLabel(f, "Process"),  new TGLayoutHints(kLHintsLeft, 8,2,2,2));

      resetCombo();
      FWTriggerTableView* tt = (FWTriggerTableView*)this;
      m_combo->Connect("Selected(const char*)", "FWTriggerTableView", tt, "processChanged(const char*)");
   }
}