/**************************************************************************
* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
*                                                                        *
* Author: The ALICE Off-line Project.                                    *
* Contributors are mentioned in the code where appropriate.              *
*                                                                        *
* Permission to use, copy, modify and distribute this software and its   *
* documentation strictly for non-commercial purposes is hereby granted   *
* without fee, provided that the above copyright notice appears in all   *
* copies and that both the copyright notice and this permission notice   *
* appear in the supporting documentation. The authors make no claims     *
* about the suitability of this software for any purpose. It is          *
* provided "as is" without express or implied warranty.                  *
**************************************************************************/

// $Id$

#include <cstdlib>
#include "AliMUONPainterDataSourceFrame.h"

#include "AliLog.h"
#include "AliMUONPainterDataSourceItem.h"
#include "AliMUONPainterEnv.h"
#include "AliMUONPainterHelper.h"
#include "AliMUONPainterRegistry.h"
#include "AliMUONRecoParam.h"
#include "AliMUONTrackerACFDataMaker.h"
#include "AliMUONTrackerCalibratedDataMaker.h"
#include "AliMUONTrackerOCDBDataMaker.h"
#include "AliMUONTrackerRawDataMaker.h"
#include "AliRawReader.h"
#include <TGButton.h>
#include <TGComboBox.h>
#include <TGFileDialog.h>
#include <TGNumberEntry.h>
#include <TGTextEntry.h>
#include <TGrid.h>
#include <TObjArray.h>
#include <TObjString.h>
#include <TRegexp.h>
#include <TString.h>
#include <TSystem.h>

///\class AliMUONPainterDataSourceFrame
///
/// A complete frame to select and display various data sources to 
/// be displayed : either raw data or OCDB data. 
/// Later on we might add digits and clusters for instance.
///
///\author Laurent Aphecetche, Subatech

const char* AliMUONPainterDataSourceFrame::fgkNumberOfDataSourcesKey = "NumberOfDataSources";
const char* AliMUONPainterDataSourceFrame::fgkDataSourceURIKey = "DataSourceURI.%d";

///\cond CLASSIMP
ClassImp(AliMUONPainterDataSourceFrame)
///\endcond

//_____________________________________________________________________________
AliMUONPainterDataSourceFrame::AliMUONPainterDataSourceFrame(const TGWindow* p, UInt_t w, UInt_t h)
: TGCompositeFrame(p,w,h,kVerticalFrame),
  fRecentSourceSelector(new TGGroupFrame(this,"Recent sources",kHorizontalFrame)),
  fRawSelector(new TGGroupFrame(this,"Raw file URI",kHorizontalFrame)),
  fRawSelector2(new TGCompositeFrame(fRawSelector,w,h,kVerticalFrame)),
  fRawSelector21(new TGCompositeFrame(fRawSelector2,w,h,kHorizontalFrame)),
  fRawSelector22(new TGCompositeFrame(fRawSelector2,w,h,kHorizontalFrame)),
  fRawSelector23(new TGCompositeFrame(fRawSelector2,w,h,kHorizontalFrame)),
  fCalibrateNoGain(new TGCheckButton(fRawSelector22,"Ped subraction")),
  fCalibrateGainConstantCapa(new TGCheckButton(fRawSelector22,"Ped subraction + gain (capa cste)")),
  fCalibrateGain(new TGCheckButton(fRawSelector22,"Full calib (Ped subraction + gain with capa)")),
  fHistogramButton(new TGCheckButton(fRawSelector23,"Histogram")),
  fHistoMin(new TGNumberEntry(fRawSelector23,0)),
  fHistoMax(new TGNumberEntry(fRawSelector23,4096)),
  fRawOCDBPath(new TGTextEntry(fRawSelector22,"")),
  fOCDBSelector(new TGGroupFrame(this,"OCDB Path",kHorizontalFrame)),
  fDataReaders(new TGGroupFrame(this,"Data sources")),
  fFilePath(new TGTextEntry(fRawSelector21,"")),
  fOCDBPath(new TGTextEntry(fOCDBSelector,"")),
  fRunSelector(new TGNumberEntry(fOCDBSelector,0)),
  fOCDBTypes(new TGComboBox(fOCDBSelector)),
  fRecentSources(new TGComboBox(fRecentSourceSelector)),
  fItems(new TObjArray),
  fACFSelector(new TGGroupFrame(this,"ASCII Calib File",kHorizontalFrame)),
  fACFPath(new TGTextEntry(fACFSelector,"")),
  fACFTypes(new TGComboBox(fACFSelector))
{
  /// Ctor
  
    AliMUONPainterRegistry* reg = AliMUONPainterRegistry::Instance();
    
    reg->Connect("DataMakerWasRegistered(AliMUONVTrackerDataMaker*)",
                 "AliMUONPainterDataSourceFrame",
                 this,
                 "DataMakerWasRegistered(AliMUONVTrackerDataMaker*)");
    
    reg->Connect("DataMakerWasUnregistered(AliMUONVTrackerDataMaker*)",
                 "AliMUONPainterDataSourceFrame",
                 this,
                 "DataMakerWasUnregistered(AliMUONVTrackerDataMaker*)");
    
    fItems->SetOwner(kFALSE);
    
    /// Recent source selection
    
    AliMUONPainterEnv* env = AliMUONPainterHelper::Instance()->Env();
    
    Int_t nsources = env->Integer(fgkNumberOfDataSourcesKey);
    
    for ( Int_t i = 0; i < nsources; ++i )
    {
      AddRecentSource(env->String(Form(fgkDataSourceURIKey,i)));
    }

    fRecentSources->Resize(100,20);
    
    TGButton* createRecentButton = new TGTextButton(fRecentSourceSelector,"Create data source");
    createRecentButton->Connect("Clicked()",
                                "AliMUONPainterDataSourceFrame",
                                this,
                                "OpenRecentSource()");
    
    fRecentSourceSelector->AddFrame(fRecentSources,new TGLayoutHints(kLHintsExpandX | kLHintsTop,5,5,5,5));
    fRecentSourceSelector->AddFrame(createRecentButton,new TGLayoutHints(kLHintsTop,5,5,5,5));
                     
    /// Raw file selection
    
    TGButton* openButton = new TGPictureButton(fRawSelector21,
                                           gClient->GetPicture("fileopen.xpm"));
    openButton->SetToolTipText("Click to open file dialog");
                                        
    fRawSelector2->AddFrame(fRawSelector21, new TGLayoutHints(kLHintsExpandX,5,5,5,5));
    fRawSelector2->AddFrame(fRawSelector22, new TGLayoutHints(kLHintsExpandX,5,5,5,5));
    fRawSelector2->AddFrame(fRawSelector23, new TGLayoutHints(kLHintsExpandX,5,5,5,5));

    fRawSelector21->AddFrame(openButton,new TGLayoutHints(kLHintsTop,5,5,5,5));
    fRawSelector21->AddFrame(fFilePath, new TGLayoutHints(kLHintsExpandX | kLHintsTop,5,5,5,5));

    fRawSelector22->AddFrame(fCalibrateNoGain, new TGLayoutHints(kLHintsTop,5,5,5,5));
    fRawSelector22->AddFrame(fCalibrateGainConstantCapa, new TGLayoutHints(kLHintsTop,5,5,5,5));
    fRawSelector22->AddFrame(fCalibrateGain, new TGLayoutHints(kLHintsTop,5,5,5,5));
    fRawSelector22->AddFrame(fRawOCDBPath, new TGLayoutHints(kLHintsExpandX | kLHintsTop,5,5,5,5));
    fRawOCDBPath->SetEnabled(kFALSE);
    
    fRawSelector23->AddFrame(fHistogramButton,new TGLayoutHints(kLHintsTop,5,5,5,5));
    
    fHistogramButton->Connect("Clicked()","AliMUONPainterDataSourceFrame",this,"HistogramButtonClicked()");
    
    fHistoMin->SetState(kFALSE);
    fHistoMax->SetState(kFALSE);
    
    fRawSelector23->AddFrame(fHistoMin,new TGLayoutHints(kLHintsTop,5,5,5,5));
    fRawSelector23->AddFrame(fHistoMax,new TGLayoutHints(kLHintsTop,5,5,5,5));
    
    TGButton* createRawButton = new TGTextButton(fRawSelector,"Create data source");
    
    fRawSelector->AddFrame(fRawSelector2, new TGLayoutHints(kLHintsExpandX | kLHintsTop,5,5,5,5));
    fRawSelector->AddFrame(createRawButton, new TGLayoutHints(kLHintsCenterY,5,5,5,5));
        
    fCalibrateNoGain->Connect("Clicked()","AliMUONPainterDataSourceFrame",this,"CalibrateButtonClicked()");
    fCalibrateGainConstantCapa->Connect("Clicked()","AliMUONPainterDataSourceFrame",this,"CalibrateButtonClicked()");
    fCalibrateGain->Connect("Clicked()","AliMUONPainterDataSourceFrame",this,"CalibrateButtonClicked()");

    openButton->Connect("Clicked()",
                        "AliMUONPainterDataSourceFrame",
                        this,
                        "OpenFileDialog()");

    createRawButton->Connect("Clicked()",
                        "AliMUONPainterDataSourceFrame",
                        this,
                        "CreateRawDataSource()");
    
    /// OCDB selection
    
    fOCDBTypes->AddEntry("Pedestals",0);
    fOCDBTypes->AddEntry("Gains",1);
    fOCDBTypes->AddEntry("Capacitances",2);
    fOCDBTypes->AddEntry("HV",3);
    fOCDBTypes->Select(0);
    fOCDBTypes->Resize(100,20);
    
    TGButton* createOCDBButton = new TGTextButton(fOCDBSelector,"Create data source");
    createOCDBButton->Connect("Clicked()",
                             "AliMUONPainterDataSourceFrame",
                             this,
                             "CreateOCDBDataSource()");

  const char* ocdbToolTip = "Use URL style for either alien or local OCDB (foo://bar). For example :\n"
  "alien://folder=/alice/data.../OCDB\n"
  "or\nlocal:///home/user/aliroot (mind the 3 slashes there !)";
  
  fRawOCDBPath->SetToolTipText(ocdbToolTip);
  fOCDBPath->SetToolTipText(ocdbToolTip);
  
    fOCDBSelector->AddFrame(fOCDBPath,new TGLayoutHints(kLHintsExpandX | kLHintsTop,5,5,5,5));    
    fOCDBSelector->AddFrame(fRunSelector,new TGLayoutHints(kLHintsTop,5,5,5,5));
    fOCDBSelector->AddFrame(fOCDBTypes,new TGLayoutHints(kLHintsExpandX | kLHintsTop,5,5,5,5));
    fOCDBSelector->AddFrame(createOCDBButton,new TGLayoutHints(kLHintsTop,5,5,5,5));
    
    
    /// ASCII calibration file selection
    
    TGButton* openButtonACF = new TGPictureButton(fACFSelector,
                                                  gClient->GetPicture("fileopen.xpm"));
    openButtonACF->SetToolTipText("Click to open file dialog");
    
    fACFTypes->AddEntry("Pedestals",0);
    fACFTypes->AddEntry("Gains",1);
    fACFTypes->AddEntry("Capacitances",2);
    fACFTypes->Select(0);
    fACFTypes->Resize(100,20);
    
    fACFSelector->AddFrame(openButtonACF,new TGLayoutHints(kLHintsTop,5,5,5,5));                                      
    fACFSelector->AddFrame(fACFPath, new TGLayoutHints(kLHintsExpandX | kLHintsTop,5,5,5,5));
    fACFSelector->AddFrame(fACFTypes,new TGLayoutHints(kLHintsExpandX | kLHintsTop,5,5,5,5));

    TGButton* createACFButton = new TGTextButton(fACFSelector,"Create data source");
    createACFButton->Connect("Clicked()",
                              "AliMUONPainterDataSourceFrame",
                              this,                              
                             "CreateACFDataSource()");
    
    openButtonACF->Connect("Clicked()",
                           "AliMUONPainterDataSourceFrame",
                           this,
                           "OpenFileDialogACF()");
    
    fACFSelector->AddFrame(createACFButton,new TGLayoutHints(kLHintsTop,5,5,5,5));

    AddFrame(fRecentSourceSelector,new TGLayoutHints(kLHintsExpandX,10,10,10,10));

    AddFrame(fRawSelector,new TGLayoutHints(kLHintsExpandX,10,10,10,10));

    AddFrame(fOCDBSelector,new TGLayoutHints(kLHintsExpandX,10,10,10,10));

    AddFrame(fACFSelector,new TGLayoutHints(kLHintsExpandX,10,10,10,10));
    
    AddFrame(fDataReaders, new TGLayoutHints(kLHintsExpandX,10,10,10,10));
    
}

//_____________________________________________________________________________
AliMUONPainterDataSourceFrame::~AliMUONPainterDataSourceFrame()
{
  /// dtor
  
  delete fItems;
}

//_____________________________________________________________________________
void
AliMUONPainterDataSourceFrame::AddRecentSource(const char* name)
{  
  /// Add a source to the list of recently used sources
  
  TGListBox* lb = fRecentSources->GetListBox();
  
  for ( Int_t i = 0; i < lb->GetNumberOfEntries(); ++i ) 
  {
    TGTextLBEntry* t = (TGTextLBEntry*)lb->GetEntry(i);
    TString s(t->GetText()->GetString());
    if ( s == name ) 
    {
      return;
    }
  }
  
  fRecentSources->AddEntry(name,lb->GetNumberOfEntries());
  fRecentSources->MapSubwindows();
  fRecentSources->Layout();
}

//_____________________________________________________________________________
void
AliMUONPainterDataSourceFrame::CalibrateButtonClicked()
{
  /// Calibrate button was clicked.
  
  if ( fCalibrateNoGain->IsOn() ||
       fCalibrateGainConstantCapa->IsOn() ||
       fCalibrateGain->IsOn() ) 
  {
    fRawOCDBPath->SetEnabled(kTRUE);
    fRawOCDBPath->SetFocus();
  }
  else
  {
    fRawOCDBPath->SetEnabled(kFALSE);
  }
}

//_____________________________________________________________________________
void
AliMUONPainterDataSourceFrame::HistogramButtonClicked()
{
  /// Histogram button was clicked.
  
  if ( fHistogramButton->IsOn() )
  {
    fHistoMin->SetState(kTRUE);
    fHistoMax->SetState(kTRUE);
  }
  else
  {
    fHistoMin->SetState(kFALSE);
    fHistoMax->SetState(kFALSE);
  }
}

//_____________________________________________________________________________
void
AliMUONPainterDataSourceFrame::CreateACFDataSource()
{
  /// Create an ACF data source (using information from the widgets)
  
  TString acfPath = fACFPath->GetText();
  TGTextLBEntry* t = static_cast<TGTextLBEntry*>(fACFTypes->GetSelectedEntry());
  TString type = t->GetText()->GetString();
  
  CreateACFDataSource(acfPath,type);
  
  fACFPath->SetText("");
}


//_____________________________________________________________________________
void
AliMUONPainterDataSourceFrame::CreateOCDBDataSource()
{
  /// Create an OCDB data source (using information from the widgets)
  
  TString cdbPath = fOCDBPath->GetText();
  Int_t runNumber = fRunSelector->GetIntNumber();
  TGTextLBEntry* t = static_cast<TGTextLBEntry*>(fOCDBTypes->GetSelectedEntry());
  TString type = t->GetText()->GetString();
  
  CreateOCDBDataSource(cdbPath,runNumber,type);
  
  fOCDBPath->SetText("");
  fRunSelector->SetNumber(0);  
}

//_____________________________________________________________________________
void
AliMUONPainterDataSourceFrame::CreateACFDataSource(const TString& uri)
{
  /// Create an ACF data source, given it's URI
  
  TObjArray* a = uri.Tokenize(";");
  TString acfPath = static_cast<TObjString*>(a->At(1))->String();
  TString type = static_cast<TObjString*>(a->At(2))->String();
  
  CreateACFDataSource(acfPath,type);
  
  delete a;
}


//_____________________________________________________________________________
void
AliMUONPainterDataSourceFrame::CreateOCDBDataSource(const TString& uri)
{
  /// Create an OCDB data source, given it's URI
  
  TObjArray* a = uri.Tokenize(";");
  TString cdbPath = static_cast<TObjString*>(a->At(1))->String();
  TString srun = static_cast<TObjString*>(a->At(2))->String();
  TString type = static_cast<TObjString*>(a->At(3))->String();
  
  CreateOCDBDataSource(cdbPath,atoi(srun.Data()),type);
  
  delete a;
}

//_____________________________________________________________________________
void
AliMUONPainterDataSourceFrame::CreateACFDataSource(const TString& acfPath, const TString& type)
{
  /// Create an ACF data source for a given (path,type) 

  AliMUONVTrackerDataMaker* reader = new AliMUONTrackerACFDataMaker(acfPath.Data(),
                                                                    type.Data());
  
  if ( reader->IsValid() ) 
  {
    AliMUONPainterRegistry::Instance()->Register(reader);
    
    AliMUONPainterEnv* env = AliMUONPainterHelper::Instance()->Env();
    
    Int_t n = env->Integer(fgkNumberOfDataSourcesKey);
    
    env->Set(fgkNumberOfDataSourcesKey,n+1);
    
    TString ds(Form("ACF;%s;%s",acfPath.Data(),type.Data()));
    
    env->Set(Form(fgkDataSourceURIKey,n),ds.Data());
    
    env->Save();
    
    AddRecentSource(ds.Data());
  }
  
}

//_____________________________________________________________________________
void
AliMUONPainterDataSourceFrame::CreateOCDBDataSource(const TString& cdbPath,
                                                    Int_t runNumber,
                                                    const TString& type)
{
  /// Create an OCDB data source for a given (path,runnumber,type) triplet
  
  AliMUONVTrackerDataMaker* reader = new AliMUONTrackerOCDBDataMaker(cdbPath.Data(),
                                                                       runNumber,
                                                                       type.Data());
  
  if ( reader->IsValid() ) 
  {
    AliMUONPainterRegistry::Instance()->Register(reader);
    
    AliMUONPainterEnv* env = AliMUONPainterHelper::Instance()->Env();
    
    Int_t n = env->Integer(fgkNumberOfDataSourcesKey);
    
    env->Set(fgkNumberOfDataSourcesKey,n+1);
    
    TString ds(Form("OCDB;%s;%d;%s",cdbPath.Data(),runNumber,type.Data()));
    
    env->Set(Form(fgkDataSourceURIKey,n),ds.Data());
    
    env->Save();
    
    AddRecentSource(ds.Data());
  }
}

//_____________________________________________________________________________
void 
AliMUONPainterDataSourceFrame::CreateRawDataSource()
{
  /// Create a new raw data source (using info from the widgets)
  
  TString uri(gSystem->ExpandPathName(fFilePath->GetText()));
  
  if ( gSystem->AccessPathName(uri.Data()) )
  {
    AliError(Form("File %s does not exist",uri.Data()));
    fFilePath->SetText("");
    return;
  }

  TString calibMode("");
  TString name("RAW");
  
  if ( fCalibrateGain->IsOn() ) 
  {
    calibMode = "GAIN";
    name = "CALC";
  }
  
  if ( fCalibrateGainConstantCapa->IsOn() ) 
  {
    calibMode = "GAINCONSTANTCAPA";
    name = "CALG";
  }
  
  if ( fCalibrateNoGain->IsOn() ) 
  {
    calibMode = "NOGAIN";
    name = "CALZ";
  }
  
  uri = Form("%s%s;%s;%s;%s;%s;%s",
             ( fHistogramButton->IsOn() ? "H":""),
             name.Data(),uri.Data(),
             ( strlen(fRawOCDBPath->GetText()) > 0 ? fRawOCDBPath->GetText() : " "),
             ( calibMode.Length() > 0 ? calibMode.Data() : " "),
             Form("%e",fHistoMin->GetNumber()),
             Form("%e",fHistoMax->GetNumber()));
  
  if ( CreateRawDataSource(uri) )
  {
    fFilePath->SetText("");
    fRawOCDBPath->SetText("");
  }
}

//_____________________________________________________________________________
Bool_t 
AliMUONPainterDataSourceFrame::CreateRawDataSource(const TString& uri)
{
  /// Create a new raw data source, given its URI
  
  TString filename;
  TString ocdbPath;
  TString calibMode;
  TString sxmin("0.0");
  TString sxmax("4096.0");
  
  TObjArray* a = uri.Tokenize(";");
  
  filename = static_cast<TObjString*>(a->At(1))->String();
  
  if ( a->GetLast() > 1 ) 
  {
    ocdbPath = static_cast<TObjString*>(a->At(2))->String();
    if ( ocdbPath == " " ) ocdbPath = "";
  }

  if ( a->GetLast() > 2 ) 
  {
    calibMode = static_cast<TObjString*>(a->At(3))->String();
    if ( calibMode == " " ) calibMode = "";
  }

  if ( a->GetLast() > 3 ) 
  {
    sxmin = static_cast<TObjString*>(a->At(4))->String();
  }

  if ( a->GetLast() > 4 ) 
  {
    sxmax = static_cast<TObjString*>(a->At(5))->String();
  }
  
  AliRawReader* rawReader = 0x0;

  if ( filename.Contains(TRegexp("^alien")) )
  {
    // insure we've initialized the grid...
    if (!gGrid)
    {
      TGrid::Connect("alien://");
    }
  }
  
  rawReader = AliRawReader::Create(filename.Data());

  if (!rawReader)
  {
    AliError(Form("Could not open file %s",filename.Data()));
    fFilePath->SetText("");
    return kFALSE;
  }
  
  /// Basic test to see if the file is correct
  Bool_t ok = rawReader->NextEvent();
  if (!ok)
  {
    AliError(Form("File %s does not seem to be a raw data file",filename.Data()));
    fFilePath->SetText("");
    return kFALSE;
  }
  
  rawReader->RewindEvents();
  
  AliMUONVTrackerDataMaker* reader(0x0);
  Bool_t histogram(kFALSE);
  
  if ( uri.Contains(TRegexp("^H")) ) histogram = kTRUE;

  if ( ocdbPath.Length() > 0 ) 
  {
    AliMUONRecoParam* recoParam = AliMUONRecoParam::GetCosmicParam();
    
    // FIXME: where to get the reco params from in reality ?
    
    reader = new AliMUONTrackerCalibratedDataMaker(recoParam,
                                                   rawReader,
                                                   ocdbPath.Data(),
                                                   calibMode.Data(),
                                                   histogram,
                                                   sxmin.Atof(),
                                                   sxmax.Atof());
  }
  else
  {
    reader = new AliMUONTrackerRawDataMaker(rawReader,histogram);
  }
  
  reader->SetSource(filename.Data());
  
  AliMUONPainterRegistry::Instance()->Register(reader);
  
  AliMUONPainterEnv* env = AliMUONPainterHelper::Instance()->Env();
  
  Int_t n = env->Integer(fgkNumberOfDataSourcesKey);
  
  env->Set(fgkNumberOfDataSourcesKey,n+1);
  
  env->Set(Form(fgkDataSourceURIKey,n),uri.Data());
  
  AddRecentSource(uri.Data());
  
  env->Save();

  return kTRUE;
}

//_____________________________________________________________________________
void 
AliMUONPainterDataSourceFrame::DataMakerWasRegistered(AliMUONVTrackerDataMaker* reader)
{
  /// Update ourselves as a new data reader was created
  
  AliMUONPainterDataSourceItem* item = new AliMUONPainterDataSourceItem(fDataReaders,100,20,reader);
      
  item->Connect("StartRunning()",
                "AliMUONPainterDataSourceFrame",
                this,
                "StartRunning()");

  item->Connect("StopRunning()",
                "AliMUONPainterDataSourceFrame",
                this,
                "StopRunning()");
  
  fDataReaders->AddFrame(item);
  
  fItems->Add(item);

  fDataReaders->MapSubwindows();
  fDataReaders->Resize();
}

//_____________________________________________________________________________
void 
AliMUONPainterDataSourceFrame::DataMakerWasUnregistered(AliMUONVTrackerDataMaker* maker)
{
  /// Update ourselves as a data reader was deleted
  
  AliMUONPainterDataSourceItem* theItem(0x0);
  
  TIter next(fItems);
  AliMUONPainterDataSourceItem* item;
  
  while ( ( item = static_cast<AliMUONPainterDataSourceItem*>(next()) ) && !theItem )
  {
    if ( item->DataMaker() == maker ) 
    {
      theItem = item;
    }
  }
  
  if  (!theItem) return;
  
  fDataReaders->RemoveFrame(theItem);
  fItems->Remove(theItem);
  theItem->DestroyWindow();
  delete theItem;
  
  fDataReaders->MapSubwindows();
  fDataReaders->Resize();

}

//_____________________________________________________________________________
void
AliMUONPainterDataSourceFrame::OpenFileDialog()
{
  /// Open a file dialog to select a file to be read
  
  TGFileInfo fileInfo;
  
  const char* fileTypes[] = { 
    "ROOT files","*.root",
    "DATE files","*.raw",
    "All files","*",
    0,0 };
  
  fileInfo.fFileTypes = fileTypes;
  delete[] fileInfo.fIniDir;

  AliMUONPainterEnv* env = AliMUONPainterHelper::Instance()->Env();
  
  fileInfo.fIniDir = StrDup(env->String("LastOpenDir","."));
  
  new TGFileDialog(gClient->GetRoot(),gClient->GetRoot(),
                   kFDOpen,&fileInfo);
  
  fFilePath->SetText(gSystem->ExpandPathName(Form("%s",fileInfo.fFilename)));
  
  env->Set("LastOpenDir",fileInfo.fIniDir);
  env->Save();  
}


//_____________________________________________________________________________
void
AliMUONPainterDataSourceFrame::OpenFileDialogACF()
{
  /// Open a file dialog to select an ASCII calibration file to be read
  
  TGFileInfo fileInfo;
  
  const char* fileTypes[] = { 
    "All files","*",
    0,0 };
  
  fileInfo.fFileTypes = fileTypes;
  delete[] fileInfo.fIniDir;
  
  AliMUONPainterEnv* env = AliMUONPainterHelper::Instance()->Env();
  
  fileInfo.fIniDir = StrDup(env->String("LastOpenDirACF","."));
  
  new TGFileDialog(gClient->GetRoot(),gClient->GetRoot(),
                   kFDOpen,&fileInfo);
  
  fACFPath->SetText(gSystem->ExpandPathName(Form("%s",fileInfo.fFilename)));
  
  env->Set("LastOpenDirACF",fileInfo.fIniDir);
  env->Save();  
}


//_____________________________________________________________________________
void
AliMUONPainterDataSourceFrame::OpenRecentSource()
{
  /// Open one source from the recently used ones
  
  TGTextLBEntry* t = (TGTextLBEntry*)fRecentSources->GetSelectedEntry();

  TString uri(t->GetText()->GetString());
  
  if ( uri.Contains(TRegexp("^RAW")) || uri.Contains(TRegexp("^HRAW")) || 
       uri.Contains(TRegexp("^CAL")) || uri.Contains(TRegexp("^HCAL")) )
  {
    CreateRawDataSource(uri);
  }
  else if ( uri.Contains(TRegexp("^OCDB")) )
  {
    CreateOCDBDataSource(uri);
  }
  else if ( uri.Contains(TRegexp("^ACF")) )
  {
    CreateACFDataSource(uri);
  }
  
  fRecentSources->Select(-1);
}

//_____________________________________________________________________________
void
AliMUONPainterDataSourceFrame::StartRunning()
{
  /// One data source starts running. Disable the Run button of the other ones
  
  AliMUONPainterDataSourceItem* item = reinterpret_cast<AliMUONPainterDataSourceItem*> (gTQSender);
  
  AliInfo("");
  
  TIter next(fItems);
  AliMUONPainterDataSourceItem* o;
  while ( ( o = static_cast<AliMUONPainterDataSourceItem*>(next()) ) )
  {
    if ( o != item ) 
    {
      o->DisableRun();
    }
  }
}  

//_____________________________________________________________________________
void
AliMUONPainterDataSourceFrame::StopRunning()
{
  /// One data source stops running. Enable the Run button of all items
  
  TIter next(fItems);
  AliMUONPainterDataSourceItem* o;
  while ( ( o = static_cast<AliMUONPainterDataSourceItem*>(next()) ) )
  {
    o->EnableRun();
  }
}