MUON/AliMUONPainterDataSourceFrame.cxx

   1 /**************************************************************************
   2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3 *                                                                        *
   4 * Author: The ALICE Off-line Project.                                    *
   5 * Contributors are mentioned in the code where appropriate.              *
   6 *                                                                        *
   7 * Permission to use, copy, modify and distribute this software and its   *
   8 * documentation strictly for non-commercial purposes is hereby granted   *
   9 * without fee, provided that the above copyright notice appears in all   *
  10 * copies and that both the copyright notice and this permission notice   *
  11 * appear in the supporting documentation. The authors make no claims     *
  12 * about the suitability of this software for any purpose. It is          *
  13 * provided "as is" without express or implied warranty.                  *
  14 **************************************************************************/
  15
  16 // $Id$
  17
  18 #include "AliMUONPainterDataSourceFrame.h"
  19
  20
  21 #include "AliLog.h"
  22 #include "AliMUONPainterDataSourceItem.h"
  23 #include "AliMUONPainterEnv.h"
  24 #include "AliMUONPainterHelper.h"
  25 #include "AliMUONPainterRegistry.h"
  26 #include "AliMUONTrackerCalibratedDataMaker.h"
  27 #include "AliMUONTrackerOCDBDataMaker.h"
  28 #include "AliMUONTrackerRawDataMaker.h"
  29 #include "AliRawReaderDate.h"
  30 #include "AliRawReaderRoot.h"
  31 #include <TGButton.h>
  32 #include <TGComboBox.h>
  33 #include <TGFileDialog.h>
  34 #include <TGNumberEntry.h>
  35 #include <TGTextEntry.h>
  36 #include <TGrid.h>
  37 #include <TObjArray.h>
  38 #include <TObjString.h>
  39 #include <TRegexp.h>
  40 #include <TString.h>
  41 #include <TSystem.h>
  42
  43 ///\class AliMUONPainterDataSourceFrame
  44 ///
  45 /// A complete frame to select and display various data sources to
  46 /// be displayed : either raw data or OCDB data.
  47 /// Later on we might add digits and clusters for instance.
  48 ///
  49 ///\author Laurent Aphecetche, Subatech
  50
  51 const char* AliMUONPainterDataSourceFrame::fgkNumberOfDataSourcesKey = "NumberOfDataSources";
  52 const char* AliMUONPainterDataSourceFrame::fgkDataSourceURIKey = "DataSourceURI.%d";
  53
  54 ///\cond CLASSIMP
  55 ClassImp(AliMUONPainterDataSourceFrame)
  56 ///\endcond
  57
  58 //_____________________________________________________________________________
  59 AliMUONPainterDataSourceFrame::AliMUONPainterDataSourceFrame(const TGWindow* p, UInt_t w, UInt_t h)
  60 : TGCompositeFrame(p,w,h,kVerticalFrame),
  61   fRecentSourceSelector(new TGGroupFrame(this,"Recent sources",kHorizontalFrame)),
  62   fRawSelector(new TGGroupFrame(this,"Raw file URI",kHorizontalFrame)),
  63   fRawSelector2(new TGCompositeFrame(fRawSelector,w,h,kVerticalFrame)),
  64   fRawSelector21(new TGCompositeFrame(fRawSelector2,w,h,kHorizontalFrame)),
  65   fRawSelector22(new TGCompositeFrame(fRawSelector2,w,h,kHorizontalFrame)),
  66   fRawSelector23(new TGCompositeFrame(fRawSelector2,w,h,kHorizontalFrame)),
  67   fCalibrateNoGain(new TGCheckButton(fRawSelector22,"Zero suppress")),
  68   fCalibrateGainConstantCapa(new TGCheckButton(fRawSelector22,"Zero suppress + gain (capa cste)")),
  69   fCalibrateGain(new TGCheckButton(fRawSelector22,"Full calib (zero suppress + gain with capa)")),
  70   fHistogramButton(new TGCheckButton(fRawSelector23,"Histogram")),
  71   fHistoMin(new TGNumberEntry(fRawSelector23,0)),
  72   fHistoMax(new TGNumberEntry(fRawSelector23,4096)),
  73   fRawOCDBPath(new TGTextEntry(fRawSelector22,"")),
  74   fOCDBSelector(new TGGroupFrame(this,"OCDB Path",kHorizontalFrame)),
  75   fDataReaders(new TGGroupFrame(this,"Data sources")),
  76   fFilePath(new TGTextEntry(fRawSelector21,"")),
  77   fOCDBPath(new TGTextEntry(fOCDBSelector,"")),
  78   fRunSelector(new TGNumberEntry(fOCDBSelector,0)),
  79   fOCDBTypes(new TGComboBox(fOCDBSelector)),
  80   fRecentSources(new TGComboBox(fRecentSourceSelector)),
  81   fItems(new TObjArray)
  82 {
  83   /// Ctor
  84
  85     AliMUONPainterRegistry* reg = AliMUONPainterRegistry::Instance();
  86
  87     reg->Connect("DataReaderWasRegistered(AliMUONVTrackerDataMaker*)",
  88                  "AliMUONPainterDataSourceFrame",
  89                  this,
  90                  "DataReaderWasRegistered(AliMUONVTrackerDataMaker*)");
  91
  92     reg->Connect("DataReaderWasUnregistered(AliMUONVTrackerDataMaker*)",
  93                  "AliMUONPainterDataSourceFrame",
  94                  this,
  95                  "DataReaderWasUnregistered(AliMUONVTrackerDataMaker*)");
  96
  97     fItems->SetOwner(kFALSE);
  98
  99     /// Recent source selection
 100
 101     AliMUONPainterEnv* env = AliMUONPainterHelper::Instance()->Env();
 102
 103     Int_t nsources = env->Integer(fgkNumberOfDataSourcesKey);
 104
 105     for ( Int_t i = 0; i < nsources; ++i )
 106     {
 107       AddRecentSource(env->String(Form(fgkDataSourceURIKey,i)));
 108     }
 109
 110     fRecentSources->Resize(100,20);
 111
 112     TGButton* createRecentButton = new TGTextButton(fRecentSourceSelector,"Create data source");
 113     createRecentButton->Connect("Clicked()",
 114                                 "AliMUONPainterDataSourceFrame",
 115                                 this,
 116                                 "OpenRecentSource()");
 117
 118     fRecentSourceSelector->AddFrame(fRecentSources,new TGLayoutHints(kLHintsExpandX | kLHintsTop,5,5,5,5));
 119     fRecentSourceSelector->AddFrame(createRecentButton,new TGLayoutHints(kLHintsTop,5,5,5,5));
 120
 121     /// Raw file selection
 122
 123     TGButton* openButton = new TGPictureButton(fRawSelector21,
 124                                            gClient->GetPicture("fileopen.xpm"));
 125     openButton->SetToolTipText("Click to open file dialog");
 126
 127     fRawSelector2->AddFrame(fRawSelector21, new TGLayoutHints(kLHintsExpandX,5,5,5,5));
 128     fRawSelector2->AddFrame(fRawSelector22, new TGLayoutHints(kLHintsExpandX,5,5,5,5));
 129     fRawSelector2->AddFrame(fRawSelector23, new TGLayoutHints(kLHintsExpandX,5,5,5,5));
 130
 131     fRawSelector21->AddFrame(openButton,new TGLayoutHints(kLHintsTop,5,5,5,5));
 132     fRawSelector21->AddFrame(fFilePath, new TGLayoutHints(kLHintsExpandX | kLHintsTop,5,5,5,5));
 133
 134     fRawSelector22->AddFrame(fCalibrateNoGain, new TGLayoutHints(kLHintsTop,5,5,5,5));
 135     fRawSelector22->AddFrame(fCalibrateGainConstantCapa, new TGLayoutHints(kLHintsTop,5,5,5,5));
 136     fRawSelector22->AddFrame(fCalibrateGain, new TGLayoutHints(kLHintsTop,5,5,5,5));
 137     fRawSelector22->AddFrame(fRawOCDBPath, new TGLayoutHints(kLHintsExpandX | kLHintsTop,5,5,5,5));
 138     fRawOCDBPath->SetEnabled(kFALSE);
 139
 140     fRawSelector23->AddFrame(fHistogramButton,new TGLayoutHints(kLHintsTop,5,5,5,5));
 141
 142     fHistogramButton->Connect("Clicked()","AliMUONPainterDataSourceFrame",this,"HistogramButtonClicked()");
 143
 144     fHistoMin->SetState(kFALSE);
 145     fHistoMax->SetState(kFALSE);
 146
 147     fRawSelector23->AddFrame(fHistoMin,new TGLayoutHints(kLHintsTop,5,5,5,5));
 148     fRawSelector23->AddFrame(fHistoMax,new TGLayoutHints(kLHintsTop,5,5,5,5));
 149
 150     TGButton* createRawButton = new TGTextButton(fRawSelector,"Create data source");
 151
 152     fRawSelector->AddFrame(fRawSelector2, new TGLayoutHints(kLHintsExpandX | kLHintsTop,5,5,5,5));
 153     fRawSelector->AddFrame(createRawButton, new TGLayoutHints(kLHintsCenterY,5,5,5,5));
 154
 155     fCalibrateNoGain->Connect("Clicked()","AliMUONPainterDataSourceFrame",this,"CalibrateButtonClicked()");
 156     fCalibrateGainConstantCapa->Connect("Clicked()","AliMUONPainterDataSourceFrame",this,"CalibrateButtonClicked()");
 157     fCalibrateGain->Connect("Clicked()","AliMUONPainterDataSourceFrame",this,"CalibrateButtonClicked()");
 158
 159     openButton->Connect("Clicked()",
 160                         "AliMUONPainterDataSourceFrame",
 161                         this,
 162                         "OpenFileDialog()");
 163
 164     createRawButton->Connect("Clicked()",
 165                         "AliMUONPainterDataSourceFrame",
 166                         this,
 167                         "CreateRawDataSource()");
 168
 169     /// OCDB selection
 170
 171     fOCDBTypes->AddEntry("Pedestals",0);
 172     fOCDBTypes->AddEntry("Gains",1);
 173     fOCDBTypes->AddEntry("Capacitances",2);
 174     fOCDBTypes->Select(0);
 175     fOCDBTypes->Resize(100,20);
 176
 177     TGButton* createOCDBButton = new TGTextButton(fOCDBSelector,"Create data source");
 178     createOCDBButton->Connect("Clicked()",
 179                              "AliMUONPainterDataSourceFrame",
 180                              this,
 181                              "CreateOCDBDataSource()");
 182
 183
 184     fOCDBSelector->AddFrame(fOCDBPath,new TGLayoutHints(kLHintsExpandX | kLHintsTop,5,5,5,5));
 185     fOCDBSelector->AddFrame(fRunSelector,new TGLayoutHints(kLHintsTop,5,5,5,5));
 186     fOCDBSelector->AddFrame(fOCDBTypes,new TGLayoutHints(kLHintsExpandX | kLHintsTop,5,5,5,5));
 187     fOCDBSelector->AddFrame(createOCDBButton,new TGLayoutHints(kLHintsTop,5,5,5,5));
 188
 189     AddFrame(fRecentSourceSelector,new TGLayoutHints(kLHintsExpandX,10,10,10,10));
 190
 191     AddFrame(fRawSelector,new TGLayoutHints(kLHintsExpandX,10,10,10,10));
 192
 193     AddFrame(fOCDBSelector,new TGLayoutHints(kLHintsExpandX,10,10,10,10));
 194
 195     AddFrame(fDataReaders, new TGLayoutHints(kLHintsExpandX,10,10,10,10));
 196
 197 }
 198
 199 //_____________________________________________________________________________
 200 AliMUONPainterDataSourceFrame::~AliMUONPainterDataSourceFrame()
 201 {
 202   /// dtor
 203
 204   delete fItems;
 205 }
 206
 207 //_____________________________________________________________________________
 208 void
 209 AliMUONPainterDataSourceFrame::AddRecentSource(const char* name)
 210 {
 211   /// Add a source to the list of recently used sources
 212
 213   TGListBox* lb = fRecentSources->GetListBox();
 214
 215   for ( Int_t i = 0; i < lb->GetNumberOfEntries(); ++i )
 216   {
 217     TGTextLBEntry* t = (TGTextLBEntry*)lb->GetEntry(i);
 218     TString s(t->GetText()->GetString());
 219     if ( s == name )
 220     {
 221       return;
 222     }
 223   }
 224
 225   fRecentSources->AddEntry(name,lb->GetNumberOfEntries());
 226   fRecentSources->MapSubwindows();
 227   fRecentSources->Layout();
 228 }
 229
 230 //_____________________________________________________________________________
 231 void
 232 AliMUONPainterDataSourceFrame::CalibrateButtonClicked()
 233 {
 234   /// Calibrate button was clicked.
 235
 236   if ( fCalibrateNoGain->IsOn() ||
 237        fCalibrateGainConstantCapa->IsOn() ||
 238        fCalibrateGain->IsOn() )
 239   {
 240     fRawOCDBPath->SetEnabled(kTRUE);
 241     fRawOCDBPath->SetFocus();
 242   }
 243   else
 244   {
 245     fRawOCDBPath->SetEnabled(kFALSE);
 246   }
 247 }
 248
 249 //_____________________________________________________________________________
 250 void
 251 AliMUONPainterDataSourceFrame::HistogramButtonClicked()
 252 {
 253   /// Histogram button was clicked.
 254
 255   if ( fHistogramButton->IsOn() )
 256   {
 257     fHistoMin->SetState(kTRUE);
 258     fHistoMax->SetState(kTRUE);
 259   }
 260   else
 261   {
 262     fHistoMin->SetState(kFALSE);
 263     fHistoMax->SetState(kFALSE);
 264   }
 265 }
 266
 267 //_____________________________________________________________________________
 268 void
 269 AliMUONPainterDataSourceFrame::CreateOCDBDataSource()
 270 {
 271   /// Create an OCDB data source (using information from the widgets)
 272
 273   TString cdbPath = fOCDBPath->GetText();
 274   Int_t runNumber = fRunSelector->GetIntNumber();
 275   TGTextLBEntry* t = static_cast<TGTextLBEntry*>(fOCDBTypes->GetSelectedEntry());
 276   TString type = t->GetText()->GetString();
 277
 278   CreateOCDBDataSource(cdbPath,runNumber,type);
 279
 280   fOCDBPath->SetText("");
 281   fRunSelector->SetNumber(0);
 282 }
 283
 284 //_____________________________________________________________________________
 285 void
 286 AliMUONPainterDataSourceFrame::CreateOCDBDataSource(const TString& uri)
 287 {
 288   /// Create an OCDB data source, given it's URI
 289
 290   TObjArray* a = uri.Tokenize(";");
 291   TString cdbPath = static_cast<TObjString*>(a->At(1))->String();
 292   TString srun = static_cast<TObjString*>(a->At(2))->String();
 293   TString type = static_cast<TObjString*>(a->At(3))->String();
 294
 295   CreateOCDBDataSource(cdbPath,atoi(srun.Data()),type);
 296
 297   delete a;
 298 }
 299
 300 //_____________________________________________________________________________
 301 void
 302 AliMUONPainterDataSourceFrame::CreateOCDBDataSource(const TString& cdbPath,
 303                                                     Int_t runNumber,
 304                                                     const TString& type)
 305 {
 306   /// Create an OCDB data source for a given (path,runnumber,type) triplet
 307
 308   AliMUONVTrackerDataMaker* reader = new AliMUONTrackerOCDBDataMaker(cdbPath.Data(),
 309                                                                        runNumber,
 310                                                                        type.Data());
 311
 312   if ( reader->IsValid() )
 313   {
 314     AliMUONPainterRegistry::Instance()->Register(reader);
 315
 316     AliMUONPainterEnv* env = AliMUONPainterHelper::Instance()->Env();
 317
 318     Int_t n = env->Integer(fgkNumberOfDataSourcesKey);
 319
 320     env->Set(fgkNumberOfDataSourcesKey,n+1);
 321
 322     TString ds(Form("OCDB;%s;%d;%s",cdbPath.Data(),runNumber,type.Data()));
 323
 324     env->Set(Form(fgkDataSourceURIKey,n),ds.Data());
 325
 326     env->Save();
 327
 328     AddRecentSource(ds.Data());
 329   }
 330 }
 331
 332 //_____________________________________________________________________________
 333 void
 334 AliMUONPainterDataSourceFrame::CreateRawDataSource()
 335 {
 336   /// Create a new raw data source (using info from the widgets)
 337
 338   TString uri(gSystem->ExpandPathName(fFilePath->GetText()));
 339
 340   if ( gSystem->AccessPathName(uri.Data()) )
 341   {
 342     AliError(Form("File %s does not exist",uri.Data()));
 343     fFilePath->SetText("");
 344     return;
 345   }
 346
 347   TString calibMode("");
 348   TString name("RAW");
 349
 350   if ( fCalibrateGain->IsOn() )
 351   {
 352     calibMode = "GAIN";
 353     name = "CALC";
 354   }
 355
 356   if ( fCalibrateGainConstantCapa->IsOn() )
 357   {
 358     calibMode = "GAINCONSTANTCAPA";
 359     name = "CALG";
 360   }
 361
 362   if ( fCalibrateNoGain->IsOn() )
 363   {
 364     calibMode = "NOGAIN";
 365     name = "CALZ";
 366   }
 367
 368   uri = Form("%s%s;%s;%s;%s;%s;%s",
 369              ( fHistogramButton->IsOn() ? "H":""),
 370              name.Data(),uri.Data(),
 371              ( strlen(fRawOCDBPath->GetText()) > 0 ? fRawOCDBPath->GetText() : " "),
 372              ( calibMode.Length() > 0 ? calibMode.Data() : " "),
 373              Form("%e",fHistoMin->GetNumber()),
 374              Form("%e",fHistoMax->GetNumber()));
 375
 376   if ( CreateRawDataSource(uri) )
 377   {
 378     fFilePath->SetText("");
 379     fRawOCDBPath->SetText("");
 380   }
 381 }
 382
 383 //_____________________________________________________________________________
 384 Bool_t
 385 AliMUONPainterDataSourceFrame::CreateRawDataSource(const TString& uri)
 386 {
 387   /// Create a new raw data source, given its URI
 388
 389   TString filename;
 390   TString ocdbPath;
 391   TString calibMode;
 392   TString sxmin("0.0");
 393   TString sxmax("4096.0");
 394
 395   TObjArray* a = uri.Tokenize(";");
 396
 397   filename = static_cast<TObjString*>(a->At(1))->String();
 398
 399   if ( a->GetLast() > 1 )
 400   {
 401     ocdbPath = static_cast<TObjString*>(a->At(2))->String();
 402     if ( ocdbPath == " " ) ocdbPath = "";
 403   }
 404
 405   if ( a->GetLast() > 2 )
 406   {
 407     calibMode = static_cast<TObjString*>(a->At(3))->String();
 408     if ( calibMode == " " ) calibMode = "";
 409   }
 410
 411   if ( a->GetLast() > 3 )
 412   {
 413     sxmin = static_cast<TObjString*>(a->At(4))->String();
 414   }
 415
 416   if ( a->GetLast() > 4 )
 417   {
 418     sxmax = static_cast<TObjString*>(a->At(5))->String();
 419   }
 420
 421   AliRawReader* rawReader = 0x0;
 422
 423   if ( filename.Contains(TRegexp(".root$")) )
 424   {
 425     AliDebug(1,"Using RawReaderRoot");
 426     if ( filename.Contains(TRegexp("^alien")) )
 427     {
 428       // insure we've initialized the grid...
 429       if (!gGrid)
 430       {
 431         TGrid::Connect("alien://");
 432       }
 433     }
 434
 435     rawReader = new AliRawReaderRoot(filename.Data());
 436   }
 437   else
 438   {
 439     /// Anything not .root is supposed to be DATE file
 440     AliDebug(1,"Using RawReaderDate");
 441     rawReader = new AliRawReaderDate(filename.Data());
 442   }
 443
 444   /// Basic test to see if the file is correct
 445   Bool_t ok = rawReader->NextEvent();
 446   if (!ok)
 447   {
 448     AliError(Form("File %s does not seem to be a raw data file",filename.Data()));
 449     fFilePath->SetText("");
 450     return kFALSE;
 451   }
 452
 453   rawReader->RewindEvents();
 454
 455   AliMUONVTrackerDataMaker* reader(0x0);
 456   Bool_t histogram(kFALSE);
 457
 458   if ( uri.Contains(TRegexp("^H")) ) histogram = kTRUE;
 459
 460   if ( ocdbPath.Length() > 0 )
 461   {
 462     reader = new AliMUONTrackerCalibratedDataMaker(rawReader,ocdbPath.Data(),
 463                                                    calibMode.Data(),
 464                                                    histogram,
 465                                                    sxmin.Atof(),
 466                                                    sxmax.Atof());
 467   }
 468   else
 469   {
 470     reader = new AliMUONTrackerRawDataMaker(rawReader,histogram);
 471   }
 472
 473   reader->SetSource(filename.Data());
 474
 475   AliMUONPainterRegistry::Instance()->Register(reader);
 476
 477   AliMUONPainterEnv* env = AliMUONPainterHelper::Instance()->Env();
 478
 479   Int_t n = env->Integer(fgkNumberOfDataSourcesKey);
 480
 481   env->Set(fgkNumberOfDataSourcesKey,n+1);
 482
 483   env->Set(Form(fgkDataSourceURIKey,n),uri.Data());
 484
 485   AddRecentSource(uri.Data());
 486
 487   env->Save();
 488
 489   return kTRUE;
 490 }
 491
 492 //_____________________________________________________________________________
 493 void
 494 AliMUONPainterDataSourceFrame::DataReaderWasRegistered(AliMUONVTrackerDataMaker* reader)
 495 {
 496   /// Update ourselves as a new data reader was created
 497
 498   AliMUONPainterDataSourceItem* item = new AliMUONPainterDataSourceItem(fDataReaders,100,20,reader);
 499
 500   item->Connect("StartRunning()",
 501                 "AliMUONPainterDataSourceFrame",
 502                 this,
 503                 Form("StartRunning(=(AliMUONPainterDataSourceItem*)(0x%x))",item));
 504
 505   item->Connect("StopRunning()",
 506                 "AliMUONPainterDataSourceFrame",
 507                 this,
 508                 Form("StopRunning(=(AliMUONPainterDataSourceItem*)(0x%x))",item));
 509
 510   fDataReaders->AddFrame(item);
 511
 512   fItems->Add(item);
 513
 514   fDataReaders->MapSubwindows();
 515   fDataReaders->Resize();
 516 }
 517
 518 //_____________________________________________________________________________
 519 void
 520 AliMUONPainterDataSourceFrame::DataReaderWasUnregistered(AliMUONVTrackerDataMaker* /*reader*/)
 521 {
 522   /// Update ourselves as a new data reader was deleted
 523
 524   // here we should find which (if any) datasourceitem has this reader, and remove it
 525
 526 }
 527
 528 //_____________________________________________________________________________
 529 void
 530 AliMUONPainterDataSourceFrame::OpenFileDialog()
 531 {
 532   /// Open a file dialog to select a file to be read
 533
 534   TGFileInfo fileInfo;
 535
 536   const char* fileTypes[] = {
 537     "ROOT files","*.root",
 538     "DATE files","*.raw",
 539     "All files","*",
 540     0,0 };
 541
 542   fileInfo.fFileTypes = fileTypes;
 543
 544   new TGFileDialog(gClient->GetRoot(),gClient->GetRoot(),
 545                    kFDOpen,&fileInfo);
 546
 547
 548   fFilePath->SetText(gSystem->ExpandPathName(Form("%s",fileInfo.fFilename)));
 549 }
 550
 551
 552 //_____________________________________________________________________________
 553 void
 554 AliMUONPainterDataSourceFrame::OpenRecentSource()
 555 {
 556   /// Open one source from the recently used ones
 557
 558   TGTextLBEntry* t = (TGTextLBEntry*)fRecentSources->GetSelectedEntry();
 559
 560   TString uri(t->GetText()->GetString());
 561
 562   if ( uri.Contains(TRegexp("^RAW")) || uri.Contains(TRegexp("^HRAW")) ||
 563        uri.Contains(TRegexp("^CAL")) || uri.Contains(TRegexp("^HCAL")) )
 564   {
 565     CreateRawDataSource(uri);
 566   }
 567   else if ( uri.Contains(TRegexp("^OCDB")) )
 568   {
 569     CreateOCDBDataSource(uri);
 570   }
 571
 572   fRecentSources->Select(-1);
 573 }
 574
 575 //_____________________________________________________________________________
 576 void
 577 AliMUONPainterDataSourceFrame::StartRunning(AliMUONPainterDataSourceItem* item)
 578 {
 579   /// One data source starts running. Disable the Run button of the other ones
 580   TIter next(fItems);
 581   AliMUONPainterDataSourceItem* o;
 582   while ( ( o = static_cast<AliMUONPainterDataSourceItem*>(next()) ) )
 583   {
 584     if ( o != item )
 585     {
 586       o->DisableRun();
 587     }
 588   }
 589 }
 590
 591 //_____________________________________________________________________________
 592 void
 593 AliMUONPainterDataSourceFrame::StopRunning(AliMUONPainterDataSourceItem* /*item*/)
 594 {
 595   /// One data source stops running. Enable the Run button of all items
 596   TIter next(fItems);
 597   AliMUONPainterDataSourceItem* o;
 598   while ( ( o = static_cast<AliMUONPainterDataSourceItem*>(next()) ) )
 599   {
 600     o->EnableRun();
 601   }
 602 }
 603