/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/Fireworks/FWInterface/src/FWPathsPopup.cc

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#include "Fireworks/FWInterface/src/FWPathsPopup.h"
#include "Fireworks/FWInterface/src/FWPSetTableManager.h"
#include "Fireworks/FWInterface/src/FWPSetCellEditor.h"

#include "Fireworks/FWInterface/interface/FWFFLooper.h"
#include "Fireworks/TableWidget/interface/FWTableWidget.h"


#include "Fireworks/Core/src/FWDialogBuilder.h"
#include "Fireworks/Core/interface/FWGUIManager.h"
#include "Fireworks/Core/interface/fwLog.h"

#include "FWCore/Framework/interface/ScheduleInfo.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Common/interface/TriggerNames.h"

#include "FWCore/PythonParameterSet/interface/PythonProcessDesc.h"
#include "FWCore/Utilities/interface/Exception.h"

#include "DataFormats/Provenance/interface/ModuleDescription.h"
#include "DataFormats/Provenance/interface/ProcessHistory.h"
#include "DataFormats/Common/interface/TriggerResults.h"



#include "TGLabel.h"
#include "KeySymbols.h"

void
FWPathsPopup::windowIsClosing()
{
   UnmapWindow();
   DontCallClose();
}

FWPathsPopup::FWPathsPopup(FWFFLooper *looper, FWGUIManager *guiManager)
   : TGMainFrame(gClient->GetRoot(), 400, 600),
     m_info(0),
     m_looper(looper),
     m_hasChanges(false),
     m_moduleLabel(0),
     m_moduleName(0),
     m_apply(0),
     m_psTable(new FWPSetTableManager()),
     m_guiManager(guiManager)
{
   gVirtualX->SelectInput(GetId(), kKeyPressMask | kKeyReleaseMask | kExposureMask |
                          kPointerMotionMask | kStructureNotifyMask | kFocusChangeMask |
                          kEnterWindowMask | kLeaveWindowMask);
   this->Connect("CloseWindow()","FWPathsPopup",this,"windowIsClosing()");

   FWDialogBuilder builder(this);
   builder.indent(4)
      .spaceDown(10)
      .addLabel("Filter:").floatLeft(4).expand(false, false)
      .addTextEntry("", &m_search).expand(true, false)
      .spaceDown(10)
      .addTable(m_psTable, &m_tableWidget).expand(true, true)
      .addTextButton("Apply changes and reload", &m_apply);

   FWPSetCellEditor *editor = new  FWPSetCellEditor(m_tableWidget->body(), "");
   editor->SetBackgroundColor(gVirtualX->GetPixel(kYellow-7));
   editor->SetFrameDrawn(false);
   m_psTable->setCellValueEditor(editor);
   m_psTable->m_editor->Connect("ReturnPressed()", "FWPathsPopup", this, "applyEditor()");

   m_apply->Connect("Clicked()", "FWPathsPopup", this, "scheduleReloadEvent()");
   m_apply->SetEnabled(false);
   m_search->SetEnabled(true);
   m_search->Connect("TextChanged(const char *)", "FWPathsPopup",
                     this, "updateFilterString(const char *)");
   m_tableWidget->SetBackgroundColor(0xffffff);
   m_tableWidget->SetLineSeparatorColor(0x000000);
   m_tableWidget->SetHeaderBackgroundColor(0xececec);
   m_tableWidget->Connect("cellClicked(Int_t,Int_t,Int_t,Int_t,Int_t,Int_t)",
                          "FWPathsPopup",this,
                          "cellClicked(Int_t,Int_t,Int_t,Int_t,Int_t,Int_t)");
   m_tableWidget->disableGrowInWidth();

   SetWindowName("CMSSW Configuration Editor");
   MapSubwindows();
   editor->UnmapWindow();

   Layout();
}

Bool_t
FWPathsPopup::HandleKey(Event_t*event)
{
   UInt_t keysym = event->fCode;

   if (keysym == (UInt_t) gVirtualX->KeysymToKeycode(kKey_Escape))
   {
      // called from FWPSetCellEditor
      m_psTable->cancelEditor();
      m_psTable->setSelection(-1, -1, 0);
   }
   return TGMainFrame::HandleKey(event);
}

void
FWPathsPopup::applyEditor()
{
   bool applied = m_psTable->applyEditor();
   if (applied)
      m_apply->SetEnabled(true);
}

void 
FWPathsPopup::cellClicked(Int_t iRow, Int_t iColumn, Int_t iButton, Int_t iKeyMod, Int_t, Int_t)
{
   if (iButton != kButton1)
      return;
   

   if (iColumn == 0 || iColumn == 1)
   {
      // Save and close the previous editor, if required.
      if (m_psTable->selectedColumn() == 1
          && m_psTable->selectedRow() != -1)
      {
         int oldIndex = m_psTable->rowToIndex()[m_psTable->selectedRow()];
         FWPSetTableManager::PSetData& oldData = m_psTable->data()[oldIndex];

         if (oldData.editable)
            applyEditor();
      }

      m_psTable->setSelection(iRow, iColumn, iKeyMod);

      if (iColumn == 0)
         m_psTable->setExpanded(iRow);
   }
}

void
FWPathsPopup::updateFilterString(const char *str)
{
   m_psTable->applyEditor();
   m_psTable->setSelection(-1, -1, 0);
   m_psTable->updateFilter(str);
}

void
FWPathsPopup::setup(const edm::ScheduleInfo *info)
{
   assert(info);
   m_info = info;
}

void
FWPathsPopup::postModule(edm::ModuleDescription const& description)
{
   m_guiManager->updateStatus((description.moduleName() + " processed.").c_str());
   gSystem->ProcessEvents();
}

void
FWPathsPopup::preModule(edm::ModuleDescription const& description)
{
   m_guiManager->updateStatus(("Processing " + description.moduleName() + "...").c_str());
   gSystem->ProcessEvents();
}


void
FWPathsPopup::postProcessEvent(edm::Event const& event, edm::EventSetup const& eventSetup)
{
   m_guiManager->updateStatus("Done processing.");
   gSystem->ProcessEvents();

   // Get the last process name from the process history:
   // this should be the one specified in the cfg file
 
   if (event.processHistory().empty()) {
      fwLog(fwlog::kInfo) << "Path GUI:: no process history available.\n";
      return;
   }
   edm::ProcessHistory::const_iterator pi = event.processHistory().end() - 1;
   std::string processName = pi->processName();
   
   // It's called TriggerResults but actually contains info on all paths
   edm::InputTag tag("TriggerResults", "", processName);
   edm::Handle<edm::TriggerResults> triggerResults;
   event.getByLabel(tag, triggerResults);

   std::vector<FWPSetTableManager::PathUpdate> pathUpdates;

   if (triggerResults.isValid())
   {
      edm::TriggerNames triggerNames = event.triggerNames(*triggerResults);
     
      for (size_t i = 0, e = triggerResults->size(); i != e; ++i)
      {
         FWPSetTableManager::PathUpdate update;
         update.pathName = triggerNames.triggerName(i);
         update.passed = triggerResults->accept(i);
         update.choiceMaker = triggerResults->index(i);
         pathUpdates.push_back(update);
      }
   }
   m_psTable->updateSchedule(m_info);
   m_psTable->update(pathUpdates);
   m_psTable->dataChanged();
   m_tableWidget->body()->DoRedraw();
}



void
FWPathsPopup::scheduleReloadEvent()
{
   applyEditor();
   try
   {
      for (size_t mni = 0, mne = m_psTable->modules().size(); mni != mne; ++mni)
      {
         FWPSetTableManager::ModuleInfo &module = m_psTable->modules()[mni];
         if (module.dirty == false)
            continue;
         FWPSetTableManager::PSetData &data = m_psTable->entries()[module.entry];
         m_looper->requestChanges(data.label, * module.current_pset);
      }
      m_hasChanges = true;
      m_apply->SetEnabled(false);
      gSystem->ExitLoop();
   }
   catch (boost::python::error_already_set)
   {
      edm::pythonToCppException("Configuration");
      Py_Finalize();
   }
   catch (cms::Exception &exception)
   {
      std::cout << exception.what() << std::endl;
   }
   // Return control to the FWFFLooper so that it can decide what to do next.
}