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// $Id: HistoMessenger.cc,v 1.7 2008/08/22 14:11:53 vnivanch Exp $
// GEANT4 tag $Name: geant4-09-03-cand-01 $
//
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#include "HistoMessenger.hh"

#include <sstream>

#include "Histo.hh"
#include "G4UIdirectory.hh"
#include "G4UIcommand.hh"
#include "G4UIparameter.hh"
#include "G4UIcmdWithAString.hh"

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HistoMessenger::HistoMessenger(Histo* manager)
:histo (manager)
{
  histoDir = new G4UIdirectory("/testem/histo/");
  histoDir->SetGuidance("histograms control");

  factoryCmd = new G4UIcmdWithAString("/testem/histo/fileName",this);
  factoryCmd->SetGuidance("set name for the histograms file");

  fileCmd = new G4UIcmdWithAString("/testem/histo/fileType",this);
  fileCmd->SetGuidance("set type (hbook, XML) for the histograms file");

  histoCmd = new G4UIcommand("/testem/histo/setHisto",this);
  histoCmd->SetGuidance("Set bining of the histo number ih :");
  histoCmd->SetGuidance("  nbBins; valMin; valMax; unit (of vmin and vmax)");
  //
  G4UIparameter* ih = new G4UIparameter("ih",'i',false);
  ih->SetGuidance("histo number : from 0 to MaxHisto-1");
  histoCmd->SetParameter(ih);
  //
  G4UIparameter* nbBins = new G4UIparameter("nbBins",'i',false);
  nbBins->SetGuidance("number of bins");
  nbBins->SetParameterRange("nbBins>0");
  histoCmd->SetParameter(nbBins);
  //
  G4UIparameter* valMin = new G4UIparameter("valMin",'d',false);
  valMin->SetGuidance("valMin, expressed in unit");
  histoCmd->SetParameter(valMin);
  //
  G4UIparameter* valMax = new G4UIparameter("valMax",'d',false);
  valMax->SetGuidance("valMax, expressed in unit");
  histoCmd->SetParameter(valMax);
  //
  G4UIparameter* unit = new G4UIparameter("unit",'s',true);
  unit->SetGuidance("if omitted, vmin and vmax are assumed dimensionless");
  unit->SetDefaultValue("none");
  histoCmd->SetParameter(unit);

}

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HistoMessenger::~HistoMessenger()
{
  delete fileCmd;
  delete histoCmd;
  delete factoryCmd;
  delete histoDir;
}

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void HistoMessenger::SetNewValue(G4UIcommand* command,G4String newValues)
{
  if (command == factoryCmd)
    histo->setFileName(newValues);

  if (command == fileCmd)
    histo->setFileType(newValues);
    
  if (command == histoCmd)
   { G4int ih,nbBins; G4double vmin,vmax;
     std::istringstream is(newValues);
     G4String unts;
     is >> ih >> nbBins >> vmin >> vmax >> unts;
     G4String unit = unts;
     G4double vUnit = 1. ;
     if(unit != "none") vUnit = G4UIcommand::ValueOf(unit);
     if(vUnit <= 0.0)  vUnit = 1.;
     histo->setHisto1D(ih,nbBins,vmin,vmax,vUnit);
   }
}

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