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/// \file electromagnetic/TestEm9/src/HistoMessenger.cc
/// \brief Implementation of the HistoMessenger class
//
// $Id: HistoMessenger.cc 67268 2013-02-13 11:38:40Z ihrivnac $
//
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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* hist)
  :G4UImessenger(),fHisto(hist),
   fHistoDir(0),   
   fFactoryCmd(0),
   fFileCmd(0),
   fHistoCmd(0)
{
  fHistoDir = new G4UIdirectory("/testem/histo/");
  fHistoDir->SetGuidance("histograms control");

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

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

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

}

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HistoMessenger::~HistoMessenger()
{
  delete fFileCmd;
  delete fHistoCmd;
  delete fFactoryCmd;
  delete fHistoDir;
}

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void HistoMessenger::SetNewValue(G4UIcommand* command, G4String newValues)
{
  if (command == fFactoryCmd) { fHisto->SetFileName(newValues); }

  if (command == fFileCmd)    { fHisto->SetFileType(newValues); }
    
  if (command == fHistoCmd) {
    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.; }
    fHisto->SetHisto1D(ih,nbBins,vmin,vmax,vUnit);
  }
}

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