DateBefore class
A validation rule that checks if a date is before a specified date.
This rule validates that the input date is chronologically before a specified date.
- Inheritance
-
- Object
- ValidationRule<
DateTime> - DateBefore
Constructors
- DateBefore(DateTime date, {String? message})
- Creates a new instance of the DateBefore validation rule.
- DateBefore.fromString(String dateStr, {String? format = 'yyyy-MM-dd', String? message})
- Creates a new instance of the DateBefore validation rule from a string representation.
Properties
- date → DateTime
-
The date to compare against.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- l10n → ValidatorLocalizations
-
The ValidatorLocalizations instance used for localization of validation messages.
It's obtained through a service locator (
sl) for convenience.no setterinherited - runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
message(
String fieldName) → String -
Retrieves the validation message to be displayed.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
-
validate(
DateTime value, Map< String, FormFieldState> fields) → bool -
Validates the given
valueagainst the validation rule.override -
validatorMessage(
String fieldName) → String -
Retrieves the validator message for the field.
override
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited