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

#include "DetectorMessenger.hh"

#include "DetectorConstruction.hh"

#include "G4UIcmdWithADoubleAndUnit.hh"
#include "G4UIcmdWithAString.hh"
#include "G4UIcmdWithoutParameter.hh"
#include "G4UIdirectory.hh"

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DetectorMessenger::DetectorMessenger(DetectorConstruction* det)
  : fDetector(det), fTestemDir(0), fDetDir(0), fMaterCmd(0), fThickCmd(0), fUpdateCmd(0)
{
  fTestemDir = new G4UIdirectory("/testem/");
  fTestemDir->SetGuidance("UI commands specific to this example.");

  fDetDir = new G4UIdirectory("/testem/det/");
  fDetDir->SetGuidance("detector construction commands");

  fMaterCmd = new G4UIcmdWithAString("/testem/det/setMaterial", this);
  fMaterCmd->SetGuidance("Select Material of the Scatter Foil");
  fMaterCmd->SetParameterName("material", false);

  fThickCmd = new G4UIcmdWithADoubleAndUnit("/testem/det/setThickness", this);
  fThickCmd->SetGuidance("Set Thickness of the Scatter Foil");
  fThickCmd->SetParameterName("thickness", false);
  fThickCmd->SetRange("thickness>0.");
  fThickCmd->SetUnitCategory("Length");

  fUpdateCmd = new G4UIcmdWithoutParameter("/testem/det/update", this);
  fUpdateCmd->SetGuidance("Update calorimeter geometry.");
  fUpdateCmd->SetGuidance("This command MUST be applied before \"beamOn\" ");
  fUpdateCmd->SetGuidance("if you changed geometrical value(s).");
}

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DetectorMessenger::~DetectorMessenger()
{
  delete fMaterCmd;
  delete fThickCmd;
  delete fUpdateCmd;
  delete fDetDir;
  delete fTestemDir;
}

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void DetectorMessenger::SetNewValue(G4UIcommand* command, G4String newValue)
{
  if (command == fMaterCmd) {
    fDetector->SetMaterialScatter(newValue);
  }

  if (command == fThickCmd) {
    fDetector->SetThicknessScatter(fThickCmd->GetNewDoubleValue(newValue));
  }

  if (command == fUpdateCmd) {
    fDetector->UpdateGeometry();
  }
}

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