public PopupLength(double unitValue, PopupLengthUnitType unitType)
{
_unitValue = unitValue;
UnitType = unitType;
RelativeElement = null;
}
public PopupLength(double unitValue, PopupLengthUnitType unitType, string relativeElement)
{
_unitValue = unitValue;
UnitType = unitType;
RelativeElement = relativeElement;
}
private static void FromString(string stringValue, CultureInfo cultureInfo, out double value, out PopupLengthUnitType unit, out string relativeElement)
{
var normalized = stringValue.Trim().ToLowerInvariant();
// Auto
if (string.Equals(normalized, "Auto", StringComparison.OrdinalIgnoreCase))
{
value = 0.0;
unit = PopupLengthUnitType.Auto;
relativeElement = null;
return;
}
var starPosition = normalized.IndexOf("*", StringComparison.OrdinalIgnoreCase);
// Absolute
if (starPosition == -1)
{
relativeElement = null;
unit = PopupLengthUnitType.Absolute;
for (var i = 0; i < PixelUnitStrings.Length; i++)
{
var pixelUnitString = PixelUnitStrings[i];
if (normalized.EndsWith(pixelUnitString, StringComparison.Ordinal) == false)
{
continue;
}
var valueString = normalized.Substring(0, normalized.Length - pixelUnitString.Length);
value = Convert.ToDouble(valueString, cultureInfo) * PixelUnitFactors[i];
return;
}
{
var valueString = normalized.Substring(0, normalized.Length);
value = Convert.ToDouble(valueString, cultureInfo);
return;
}
}
// Relative
{
unit = PopupLengthUnitType.Relative;
if (starPosition > 0)
{
var valueString = normalized.Substring(0, starPosition);
value = Convert.ToDouble(valueString, cultureInfo);
}
else
{
value = 1.0;
}
relativeElement = starPosition + 1 < normalized.Length ? normalized.Substring(starPosition + 1, normalized.Length - starPosition - 1) : null;
}
}
