public DataboundDatagridItemCreatorForm(ISomeService someService)
{
_view = new DataboundDatagridItemCreatorFormView();
var someText = LocalValueFieldBuilder.Build(_view.SomeText, Validator.IsNotNullRef);
var someNumber = LocalValueFieldBuilder.BuildNullableInt(_view.SomeNumber, Validator.IsNotNull, Validator.MustBePositive <int>());
var someBool = LocalValueFieldBuilder.Build(_view.SomeBool);
_view.SomeTrait.PermittedValues = EnumExtensions.GetEnumValues <SomeTraitType>().Select(x => (SomeTraitType?)x);
var someTrait = LocalValueFieldBuilder.Build(_view.SomeTrait, Validator.IsNotNull);
var createProduct = RemoteActionBuilder.Build(_view.CreateAction,
() => someService.Create(
new SomeDto {
SomeNumber = someNumber.Value.GetValueOrDefault(),
SomeText = someText.Value,
SomeBool = someBool.Value,
SomeTrait = someTrait.Value.Value
}),
x => {
CreatedItem = x;
Ended?.Invoke(this, Outcome.Created);
});
var isFormValid = new AggregatedErrorsValue <bool>(false, self => !self.Errors.Any(), x => {
x.Observes(someText);
x.Observes(someNumber);
x.Observes(someBool);
x.Observes(someTrait);
});
createProduct.BindEnableAndInitialize(isFormValid);
}
public AllFieldsFilledDataEntryForm()
{
var view = new AllFieldsFilledDataEntryFormView();
var ended = new Observable.Publisher <Unit>();
Ended = ended;
View = view;
var strEntry = LocalValueFieldBuilder.Build(
view.StringEntry,
(x, errors) => errors.IfTrueAdd(
string.IsNullOrWhiteSpace(x) || x.Length < 4,
"Text must be at least 4 chars long"),
(x, errors) => errors.IfTrueAdd(
string.IsNullOrWhiteSpace(x) || x.Length > 10,
"Text must be no longer than 10 chars long")
);
var intEntry = LocalValueFieldBuilder.BuildNullableInt(
view.IntEntry,
(x, errors) => errors.IfTrueAdd(!x.HasValue || x < 1234, "Number must be bigger than 1234")
);
var decEntry = LocalValueFieldBuilder.BuildNullableDecimal(
view.DecimalEntry,
DecimalFormat.WithTwoDecPlaces,
(x, errors) => errors.IfTrueAdd(!x.HasValue || x < 5.6m,
"Number must be bigger than " + I18n.Localize(5.6m, DecimalFormat.WithOneDecPlace))
);
//this field is used to show that values on screen are not necessarily values within model.
//In other words: when validator rejected value from user wrong value and error message stays on screen BUT model keeps its last-accepted-value
var summaryLine = LocalValueFieldBuilder.Build("", view.SummaryLine);
void UpdateSummaryLine()
{
var decVal = !decEntry.Value.HasValue ? "" : I18n.Localize(decEntry.Value.Value, DecimalFormat.WithOneDecPlace);
summaryLine.DoProgrammaticChange(
$@"Accepted vals: Text={strEntry.Value} Int={intEntry.Value} Decimal={decVal}"
);
}
strEntry.Changed += (_, __, ___, ____, _____) => UpdateSummaryLine();
intEntry.Changed += (_, __, ___, ____, _____) => UpdateSummaryLine();
decEntry.Changed += (_, __, ___, ____, _____) => UpdateSummaryLine();
UpdateSummaryLine();
var confirm = LocalActionBuilder.Build(view.ConfirmAction, () => ended.Fire(Unit.Instance));
confirm.BindEnableAndInitializeAsObserving(x => {
x.Observes(strEntry);
x.Observes(intEntry);
x.Observes(decEntry);
});
}