protected async Task HandleToChangedAsync(ChangeEventArgs changeEventArgs)
{
bool parsingFailed;
validationMessageStore.Clear(toFieldIdentifier);
if (HxInputDate <DateTime> .TryParseDateTimeOffsetFromString((string)changeEventArgs.Value, null, out var toDate))
{
parsingFailed = false;
CurrentValue = Value with {
EndDate = toDate?.DateTime
};
EditContext.NotifyFieldChanged(toFieldIdentifier);
await CloseDropDownAsync(toInputElement);
}
else
{
parsingFailed = true;
validationMessageStore.Add(toFieldIdentifier, ToParsingErrorMessageEffective);
}
// We can skip the validation notification if we were previously valid and still are
if (parsingFailed || toPreviousParsingAttemptFailed)
{
EditContext.NotifyValidationStateChanged();
toPreviousParsingAttemptFailed = parsingFailed;
}
}
public void HxInputDate_TryParseDateTimeOffsetFromString()
{
// Arrange
CultureInfo culture = CultureInfo.GetCultureInfo("cs-CZ");
DateTimeOffset?parsedDateTime;
// Act + Assert
// empty (valid)
Assert.IsTrue(HxInputDate <DateTime> .TryParseDateTimeOffsetFromString(" ", culture, out parsedDateTime));
Assert.AreEqual(null, parsedDateTime);
// standard (valid)
Assert.IsTrue(HxInputDate <DateTime> .TryParseDateTimeOffsetFromString("10.02.2020", culture, out parsedDateTime));
Assert.AreEqual(new DateTime(2020, 2, 10), parsedDateTime);
// whitespaces (valid)
Assert.IsTrue(HxInputDate <DateTime> .TryParseDateTimeOffsetFromString(" 20. 3. 2020 ", culture, out parsedDateTime));
Assert.AreEqual(new DateTime(2020, 3, 20), parsedDateTime);
// commas (valid)
Assert.IsTrue(HxInputDate <DateTime> .TryParseDateTimeOffsetFromString("05,06,2020", culture, out parsedDateTime));
Assert.AreEqual(new DateTime(2020, 6, 5), parsedDateTime);
Assert.IsTrue(HxInputDate <DateTime> .TryParseDateTimeOffsetFromString("07,08", culture, out parsedDateTime));
Assert.AreEqual(new DateTime(DateTime.Now.Year, 8, 7), parsedDateTime);
// spaces (valid)
Assert.IsTrue(HxInputDate <DateTime> .TryParseDateTimeOffsetFromString("05 06 2020", culture, out parsedDateTime));
Assert.AreEqual(new DateTime(2020, 6, 5), parsedDateTime);
Assert.IsTrue(HxInputDate <DateTime> .TryParseDateTimeOffsetFromString("07 08", culture, out parsedDateTime));
Assert.AreEqual(new DateTime(DateTime.Now.Year, 8, 7), parsedDateTime);
// shortcuts (valid)
Assert.IsTrue(HxInputDate <DateTime> .TryParseDateTimeOffsetFromString("0203", culture, out parsedDateTime));
Assert.AreEqual(new DateTime(DateTime.Now.Year, 3, 2), parsedDateTime);
Assert.IsTrue(HxInputDate <DateTime> .TryParseDateTimeOffsetFromString("15", culture, out parsedDateTime));
Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, 15), parsedDateTime);
// time (invalid)
Assert.IsFalse(HxInputDate <DateTime> .TryParseDateTimeOffsetFromString("10.02.2020 1:00", culture, out _));
// shortcut, 13th month (invalid)
Assert.IsFalse(HxInputDate <DateTime> .TryParseDateTimeOffsetFromString("0113", culture, out _));
// shortcut, 32nd day (invalid)
Assert.IsFalse(HxInputDate <DateTime> .TryParseDateTimeOffsetFromString("32", culture, out _));
// time 0:00 unfortunately passes
// Assert.IsFalse(HxInputDate<DateTime>.TryParseDateTimeOffsetFromString("10.02.2020 0:00", culture, out _));
}
