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/// \file HistoMessenger.cc
/// \brief Implementation of the HistoMessenger class

#include "HistoMessenger.hh"

#include "HistoManager.hh"

#include "G4UIcmdWithAString.hh"
#include "G4UIcmdWithAnInteger.hh"
#include "G4UIcommand.hh"
#include "G4UIdirectory.hh"
#include "G4UIparameter.hh"

#include <sstream>

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HistoMessenger::HistoMessenger(HistoManager* manager)
  : G4UImessenger(),
    fHistoManager(manager),
    fHistoDir(0),
    fFileNameCmd(0),
    fHistoCmd(0),
    fPrtHistoCmd(0)
{
  fHistoDir = new G4UIdirectory("/testem/histo/");
  fHistoDir->SetGuidance("histograms control");

  fFileNameCmd = new G4UIcmdWithAString("/testem/histo/setFileName", this);
  fFileNameCmd->SetGuidance("set name 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 1 to kMaxHisto");
  ih->SetParameterRange("ih>0");
  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);

  fPrtHistoCmd = new G4UIcmdWithAnInteger("/testem/histo/printHisto", this);
  fPrtHistoCmd->SetGuidance("print histo #id on ascii file");
  fPrtHistoCmd->SetParameterName("id", false);
  fPrtHistoCmd->SetRange("id>0");
}

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HistoMessenger::~HistoMessenger()
{
  delete fPrtHistoCmd;
  delete fHistoCmd;
  delete fFileNameCmd;
  delete fHistoDir;
}

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void HistoMessenger::SetNewValue(G4UIcommand* command, G4String newValues)
{
  if (command == fFileNameCmd) fHistoManager->SetFileName(newValues);

  if (command == fHistoCmd) {
    G4int ih, nbBins;
    G4double vmin, vmax;
    G4String unit;
    const char* t = newValues;
    std::istringstream is(t);
    is >> ih >> nbBins >> vmin >> vmax >> unit;
    fHistoManager->SetHisto(ih, nbBins, vmin, vmax, unit);
  }

  if (command == fPrtHistoCmd) fHistoManager->PrintHisto(fPrtHistoCmd->GetNewIntValue(newValues));
}

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