ValueBinder(
CommonEx.TryParseDelegate <TModel> tryViewToModel,
Func <TModel, string> modelToView,
Func <TModel, bool> valueRangeValidator,
Func <TModel, TModel> coerceBeforeShow,
Func <string, bool> validator)
{
TryViewToModel = tryViewToModel ?? throw new ArgumentNullException(nameof(tryViewToModel));
ModelToView = modelToView ?? throw new ArgumentNullException(nameof(modelToView));
ValueRangeValidator = valueRangeValidator ?? throw new ArgumentNullException(nameof(valueRangeValidator));
CoerceBeforeShow = coerceBeforeShow ?? throw new ArgumentNullException(nameof(coerceBeforeShow));
Validator = validator ?? throw new ArgumentNullException(nameof(validator));
}
public ValueBinder(
CommonEx.TryParseDelegate <TModel> viewToModel,
Func <TModel, string> modelToView,
Func <TModel, bool> valueRangeValidator,
Func <TModel, TModel> coerceBeforeShow)
{
TryViewToModel = viewToModel ?? throw new ArgumentNullException(nameof(viewToModel));
ModelToView = modelToView ?? throw new ArgumentNullException(nameof(modelToView));
ValueRangeValidator = valueRangeValidator ?? throw new ArgumentNullException(nameof(valueRangeValidator));
CoerceBeforeShow = coerceBeforeShow ?? throw new ArgumentNullException(nameof(coerceBeforeShow));
Validator = viewValue =>
{
var isOk = viewToModel(viewValue, out TModel modelValue);
if (isOk)
{
isOk &= ValueRangeValidator(modelValue);
}
return(isOk);
};
}
public ValueBinder(CommonEx.TryParseDelegate <TModel> viewToModel, Func <TModel, string> modelToView, Func <TModel, bool> valueRangeValidator)
: this(viewToModel, modelToView, valueRangeValidator, v => v)
{
}
