/// <summary>
/// Creates a numeric-text control.
/// </summary>
/// <param name="value">Do not pass null.</param>
/// <param name="allowEmpty"></param>
/// <param name="setup">The setup object for the numeric-text control.</param>
/// <param name="minLength"></param>
/// <param name="maxLength">The maximum number of characters a user can input.</param>
/// <param name="validationMethod">The validation method. Pass null if you’re only using this control for page modification.</param>
public NumericTextControl(
string value, bool allowEmpty, NumericTextControlSetup setup = null, int?minLength = null, int?maxLength = null,
Action <string, Validator> validationMethod = null)
{
setup = setup ?? NumericTextControlSetup.Create();
(Labeler, PageComponent, Validation) = setup.TextControlSetup.LabelerAndComponentAndValidationGetter(
value,
allowEmpty,
minLength,
maxLength,
(postBackValue, validator) => {
var errorHandler = new ValidationErrorHandler("value");
var validatedValue = validator.GetString(errorHandler, postBackValue, allowEmpty, minLength ?? 0, maxLength ?? int.MaxValue);
if (errorHandler.LastResult != ErrorCondition.NoError)
{
return(null);
}
if (!validatedValue.All(char.IsDigit))
{
validator.NoteErrorAndAddMessage("The value must be a number.");
return(null);
}
return(validatedValue);
},
validationMethod);
}
/// <summary>
/// Creates a numeric-text control with the value expressed as a long.
/// </summary>
/// <param name="setup">The setup object for the control. Do not pass null.</param>
/// <param name="validationMethod">A function that validates the value entered by the user and returns a result. Do not pass null.</param>
public static NavFormControl CreateNumericTextAsLong(NavFormControlSetup setup, Func <long, NavFormControlValidationResult> validationMethod) =>
new NavFormControl(
setup,
validationResultHandler => {
var val = new DataValue <long>();
return(val.ToTextControl(
setup: setup.AutoCompleteResource != null
? NumericTextControlSetup.CreateAutoComplete(
setup.AutoCompleteResource,
placeholder: setup.Placeholder,
triggersActionWhenItemSelected: true)
: NumericTextControlSetup.Create(placeholder: setup.Placeholder),
value: new SpecifiedValue <long?>(null),
additionalValidationMethod: validator => validationResultHandler(validationMethod(val.Value), validator)));
});
/// <summary>
/// Creates a numeric-text control with the value expressed as a string.
/// </summary>
/// <param name="setup">The setup object for the control. Do not pass null.</param>
/// <param name="validationMethod">A function that validates the value entered by the user and returns a result. Do not pass null.</param>
public static NavFormControl CreateNumericTextAsString(NavFormControlSetup setup, Func <string, NavFormControlValidationResult> validationMethod) =>
new NavFormControl(
setup,
validationResultHandler => {
return(new NumericTextControl(
"",
false,
setup: setup.AutoCompleteResource != null
? NumericTextControlSetup.CreateAutoComplete(
setup.AutoCompleteResource,
placeholder: setup.Placeholder,
triggersActionWhenItemSelected: true)
: NumericTextControlSetup.Create(placeholder: setup.Placeholder),
validationMethod: (postBackValue, validator) => validationResultHandler(validationMethod(postBackValue), validator)));
});