/// <summary>
/// Formats the channel value, which is a number.
/// </summary>
protected string FormatNumber(double cnlVal, int dataTypeID, string format)
{
switch (dataTypeID)
{
case DataTypeID.Double:
return(FormatIsHex(format)
? ((int)cnlVal).ToString(format, culture) + 'h'
: cnlVal.ToString(format, culture));
case DataTypeID.Int64:
string s = CnlDataConverter.DoubleToInt64(cnlVal).ToString(format, culture);
return(FormatIsHex(format) ? s + 'h' : s);
default:
return(FormatError);
}
}
/// <summary>
/// Formats the channel value, which is a date and time.
/// </summary>
protected string FormatDate(double cnlVal, int dataTypeID, string format)
{
string DateToString(DateTime dt)
{
return(TimeZoneInfo.ConvertTimeFromUtc(dt, timeZone).ToString(format, culture));
}
switch (dataTypeID)
{
case DataTypeID.Double:
return(DateToString(DateTime.FromOADate(cnlVal)));
case DataTypeID.Int64:
return(DateToString(ScadaUtils.TicksToTime(CnlDataConverter.DoubleToInt64(cnlVal))));
default:
return(FormatError);
}
}
/// <summary>
/// Formats the channel value depending on the data type.
/// </summary>
protected string FormatByDataType(double cnlVal, int dataTypeID)
{
switch (dataTypeID)
{
case DataTypeID.Double:
return(cnlVal.ToString(DefaultFormat, culture));
case DataTypeID.Int64:
return(CnlDataConverter.DoubleToInt64(cnlVal).ToString(culture));
case DataTypeID.ASCII:
return(CnlDataConverter.DoubleToAscii(cnlVal));
case DataTypeID.Unicode:
return(CnlDataConverter.DoubleToUnicode(cnlVal));
default:
return(FormatError);
}
}
/// <summary>
/// Formats the channel value, which is an enumeration.
/// </summary>
protected string FormatEnum(double cnlVal, int dataTypeID, EnumFormat format)
{
string GetEnumValue(int intVal)
{
return(format != null && 0 <= intVal && intVal < format.Values.Length
? format.Values[intVal]
: intVal.ToString());
}
switch (dataTypeID)
{
case DataTypeID.Double:
return(GetEnumValue((int)cnlVal));
case DataTypeID.Int64:
return(GetEnumValue((int)CnlDataConverter.DoubleToInt64(cnlVal)));
default:
return(FormatError);
}
}
