public DropdownsDemoForm()
{
_view = new DropdownsDemoFormView();
_view.MultiChoice.PermittedValues = KnownSomeDtos;
var choosenMultipleCount = LocalValueFieldBuilder.BuildInt(_view.MultiChoiceState);
var choosenMultiple = LocalValueFieldBuilder.Build(_view.MultiChoice);
choosenMultiple.Changed += async(_, __, newValue, ___, ____) => {
await choosenMultipleCount.DoChange(newValue.Count(), false);
};
_view.SingleChoice.PermittedValues = KnownSomeDtos;
var choosenSingleSomeText = LocalValueFieldBuilder.Build(_view.SingleChoiceState);
var choosenSingle = LocalValueFieldBuilder.Build(_view.SingleChoice);
choosenSingle.Changed += async(_, __, newValue, ___, ____) => {
await choosenSingleSomeText.DoChange(newValue?.SomeText ?? "(not choosen)", false);
};
}
public IntroduceItemForm()
{
_view = new IntroduceItemFormView();
_someText = LocalValueFieldBuilder.Build(_view.SomeText, Validator.IsNotEmptyOrWhitespaceOnly);
_someNumber = LocalValueFieldBuilder.BuildInt(_view.SomeNumber, Validator.MustBePositive);
_someBool = LocalValueFieldBuilder.Build(_view.SomeBool);
_view.SomeTrait.PermittedValues = EnumExtensions.GetEnumValues <SomeTraitType>().Select(x => (SomeTraitType?)x);
_someTrait = LocalValueFieldBuilder.Build(_view.SomeTrait, Validator.IsNotNull);
var isFormValid = new AggregatedErrorsValue <bool>(false, self => !self.Errors.Any(), x => {
x.Observes(_someText);
x.Observes(_someNumber);
x.Observes(_someBool);
x.Observes(_someTrait);
});
LocalActionBuilder
.Build(_view.Create, () => Ended?.Invoke(this, Outcome.Saved))
.With(x => x.BindEnableAndInitialize(isFormValid));
}
