public bool Equals(IBeatDivisor other)
{
if (other is null)
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
if (other is RationalBeatDivisor otherRational)
{
return(Equals(otherRational));
}
return(false);
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
if (!(value is string str))
{
return(new IBeatDivisor[0]);
}
var vals = str.Split(',');
var beatDivisors = new IBeatDivisor[vals.Length];
for (int i = 0; i < vals.Length; i++)
{
var val = vals[i];
// Check if it is a positive rational and non-zero and not dividing by zero
if (Regex.IsMatch(val, "^[\\s]*[1-9][0-9]*[\\s]*/[\\s]*[1-9][0-9]*[\\s]*$"))
{
var ndSplit = val.Split('/');
beatDivisors[i] = new RationalBeatDivisor(int.Parse(ndSplit[0], CultureInfo.InvariantCulture),
int.Parse(ndSplit[1], CultureInfo.InvariantCulture));
}
else
{
var valid = TypeConverters.TryParseDouble(val, out double doubleValue);
if (valid)
{
if (doubleValue <= 0)
{
return(new ValidationResult(false, "Beat divisor must be greater than zero."));
}
beatDivisors[i] = new IrrationalBeatDivisor(doubleValue);
}
else
{
return(new ValidationResult(false, "Double format error."));
}
}
}
return(beatDivisors);
}
