public override ValidationResult Validate(object value, CultureInfo culture)
{
if (value is string str)
{
if (culture == null)
{
if (GpsLocation.TryParse(str, out GpsLocation loc))
{
var lat = loc.Latitue;
if (lat > 90 || lat < -90)
{
return(new ValidationResult(false, string.Format("Invalid latitude {0}.", lat)));
}
var lon = loc.Longitude;
if (lon > 180 || lon < -180)
{
return(new ValidationResult(false, string.Format("Invalid latitude {0}.", lon)));
}
return(new ValidationResult(true, null));
}
else
{
return(new ValidationResult(false, "Could not parse location string."));
}
}
else
{
if (GpsLocation.TryParse(str, culture, out GpsLocation res))
{
return(new ValidationResult(true, null));
}
else
{
return(new ValidationResult(false, "Could not parse location string."));
}
}
}
else if (value is GpsLocation loc)
{
var lat = loc.Latitue;
if (lat > 90 || lat < -90)
{
return(new ValidationResult(false, string.Format("Invalid latitude {0}.", lat)));
}
var lon = loc.Longitude;
if (lon > 180 || lon < -180)
{
return(new ValidationResult(false, string.Format("Invalid latitude {0}.", lon)));
}
return(new ValidationResult(true, null));
}
else
{
return(new ValidationResult(false, string.Format("Invalid source type {0}", value.GetType())));
}
}
public void TryParseTest()
{
GpsLocation result;
Assert.IsTrue(GpsLocation.TryParse("10.2,45.238", out result));
Assert.AreEqual("10.2, 45.238", result.ToString());
Assert.IsTrue(GpsLocation.TryParse("10.2, 45.016666666", out result));
Assert.AreEqual("10.2, 45.016666666", result.ToString());
Assert.IsTrue(GpsLocation.TryParse("10.2N,45.238", out result));
Assert.AreEqual("10.2, 45.238", result.ToString());
Assert.IsTrue(GpsLocation.TryParse("10.2,45.238E", out result));
Assert.AreEqual("10.2, 45.238", result.ToString());
Assert.IsTrue(GpsLocation.TryParse("10.256456456894N,45.238E", out result));
Assert.AreEqual("10.256456456894, 45.238", result.ToString());
Assert.IsTrue(GpsLocation.TryParse("-10.2,45.238", out result));
Assert.AreEqual("-10.2, 45.238", result.ToString());
Assert.IsTrue(GpsLocation.TryParse("-10.2, 45", out result));
Assert.AreEqual("-10.2, 45", result.ToString());
Assert.IsTrue(GpsLocation.TryParse("10.2S,45.0166666667", out result));
Assert.AreEqual("-10.2, 45.0166666667", result.ToString());
Assert.IsTrue(GpsLocation.TryParse("-10.2,45.238E", out result));
Assert.AreEqual("-10.2, 45.238", result.ToString());
Assert.IsTrue(GpsLocation.TryParse("10.2S,45.238E", out result));
Assert.AreEqual("-10.2, 45.238", result.ToString());
Assert.IsTrue(GpsLocation.TryParse("10.2,-45.238", out result));
Assert.AreEqual("10.2, -45.238", result.ToString());
Assert.IsTrue(GpsLocation.TryParse("10.2, -45.238", out result));
Assert.AreEqual("10.2, -45.238", result.ToString());
Assert.IsTrue(GpsLocation.TryParse("10.2N,-45.238", out result));
Assert.AreEqual("10.2, -45.238", result.ToString());
Assert.IsTrue(GpsLocation.TryParse("10.2,45.238W", out result));
Assert.AreEqual("10.2, -45.238", result.ToString());
Assert.IsTrue(GpsLocation.TryParse("10.2N,45.238W", out result));
Assert.AreEqual("10.2, -45.238", result.ToString());
Assert.IsTrue(GpsLocation.TryParse("-10.2,-45.238", out result));
Assert.AreEqual("-10.2, -45.238", result.ToString());
Assert.IsTrue(GpsLocation.TryParse("-10.2, -45.238", out result));
Assert.AreEqual("-10.2, -45.238", result.ToString());
Assert.IsTrue(GpsLocation.TryParse("10.2S,-45.238", out result));
Assert.AreEqual("-10.2, -45.238", result.ToString());
Assert.IsTrue(GpsLocation.TryParse("-10.2,45.238W", out result));
Assert.AreEqual("-10.2, -45.238", result.ToString());
Assert.IsTrue(GpsLocation.TryParse("10.2S,45.238W", out result));
Assert.AreEqual("-10.2, -45.238", result.ToString());
}
public void TryParse_When_The_Format_Matches_The_Decimal_Separator_Comma_Returns_True()
{
GpsLocation.TryParse("-41,95;12,45", CultureInfo.GetCultureInfo(1043), out var _).Should().BeTrue();
}
public void TryParse_When_The_Format_Does_Not_Match_The_Decimal_Separator_Comma_Returns_False()
{
GpsLocation.TryParse("-41,95;12,45", CultureInfo.InvariantCulture, out var _).Should().BeFalse();
}
public void TryParse_When_The_Format_Matches_The_Decimal_Separator_Dot_Returns_True()
{
GpsLocation.TryParse("-41.95;12.45", CultureInfo.InvariantCulture, out var _).Should().BeTrue();
}
public void TryParse_When_The_Format_Does_Not_Match_The_Decimal_Separator_Dot_Returns_False()
{
GpsLocation.TryParse("-41.95;12.45", CultureInfo.GetCultureInfo(1043), out var _).Should().BeFalse();
}
public void TryParse_With_A_Location_That_Is_Out_Of_The_Range_Of_Expected_Values_Does_Not_Throw_An_Exception()
{
GpsLocation.TryParse("400 400", out var _).Should().BeFalse();
}
public void TryParse_Does_Not_Throw_Exception()
{
GpsLocation.TryParse("abc", out var _).Should().BeFalse();
}
public static object ConvertAny(object value, Type targetType, object parameter, CultureInfo culture)
{
if (value is null)
{
return(null);
}
if (value is string str)
{
if (targetType.IsAssignableFrom(typeof(GpsLocation)))
{
if (culture == null)
{
if (!GpsLocation.TryParse(str, out GpsLocation res))
{
return(Binding.DoNothing);
}
else
{
return(res);
}
}
else
{
if (!GpsLocation.TryParse(str, culture, out GpsLocation res))
{
return(Binding.DoNothing);
}
else
{
return(res);
}
}
}
else
{
throw new NotSupportedException(string.Format("Invalid target type {0}", targetType));
}
}
else if (value is GpsLocation loc)
{
if (targetType.IsAssignableFrom(typeof(string)))
{
if (parameter is string format)
{
if (culture == null)
{
return(loc.ToString(format));
}
else
{
return(loc.ToString(format, culture));
}
}
else
{
if (culture == null)
{
return(loc.ToString());
}
else
{
return(loc.ToString(culture));
}
}
}
else
{
throw new NotSupportedException(string.Format("Invalid target type {0}", targetType));
}
}
else
{
throw new NotSupportedException(string.Format("Invalid source type {0}", value.GetType()));
}
}
