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//
// G4UIcmdWithADouble
//
// Class description:
//
// A concrete class of G4UIcommand. The command defined by this class
// takes a double value.
// General information of G4UIcommand is given in G4UIcommand.hh

// Author: M.Asai, 1998
// --------------------------------------------------------------------
#ifndef G4UIcmdWithADouble_hh
#define G4UIcmdWithADouble_hh 1

#include "G4UIcommand.hh"

class G4UIcmdWithADouble : public G4UIcommand
{
  public:
    // Constructor. The command string with full path directory
    // and the pointer to the messenger must be given
    G4UIcmdWithADouble(const char* theCommandPath, G4UImessenger* theMessenger);

    // Set the parameter name. The name is used by the range checking.
    // If "omittable" is set as true, the user of this command can omit
    // the value when the command is applied. If "omittable" is false,
    // the user must supply a double value.
    // "currentAsDefault" flag is valid only if "omittable" is true. If this
    // flag is true, the current value is used as the default value when the
    // user omits the parameter. If this flag is false, the value given by
    // the next SetDefaultValue() method is used
    void SetParameterName(const char* theName, G4bool omittable, G4bool currentAsDefault = false);

    // Set the default value of the parameter. This default value is used
    // when the user of this command omits the parameter value, and
    // "omittable" is true and "currentAsDefault" is false
    void SetDefaultValue(G4double defVal);

    // Convert string which represents a double value to a double
    static G4double GetNewDoubleValue(const char* paramString);
};

#endif