S2ChosenNotifier<T> class abstract

Inheritance
Mixed in types
Implementers

Constructors

S2ChosenNotifier()

Properties

choice → dynamic
Returns the choice item(s)
no setterinherited
error String
Validation error message
getter/setter pair
group → dynamic
Returns the group(s) data
no setterinherited
hashCode int
The hash code for this object.
no setterinherited
hasListeners bool
Whether any listeners are currently registered.
no setterinherited
isEmpty bool
Returns true if there are no values in the chosen data
no setterinherited
isNotEmpty bool
Returns true if there is at least one value in the chosen data
no setterinherited
isNotValid bool
Returns true when the selection is not valid
no setter
isValid bool
Returns true when the selection is valid
no setter
length int
Returns the length of the choice
no setterinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
subtitle → dynamic
Returns the subtitle(s) data
no setterinherited
title → dynamic
Returns the title(s) data
no setterinherited
validation ↔ dynamic
A Function used to validate the selection(s)
covariantgetter/setter pair
value → dynamic
Returns the value(s) data
no setterinherited

Methods

addListener(VoidCallback listener) → void
Register a closure to be called when the object changes.
inherited
dispose() → void
Discards any resources used by the object. After this is called, the object is not in a usable state and should be discarded (calls to addListener will throw after the object is disposed).
inherited
has(S2Choice<T> choice) bool
Returns true if the chosen contains the supplied choice item
inherited
hasAll(List<S2Choice<T>> choices) bool
Returns `true if the chosen has every of the supplied choice items
inherited
hasAny(List<S2Choice<T>> choices) bool
Returns true if the chosen has any of the supplied choice items
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners() → void
Call all the registered listeners.
inherited
removeListener(VoidCallback listener) → void
Remove a previously registered closure from the list of closures that are notified when the object changes.
inherited
toString() String
Returns a string that can be used as display, returns title if is valid and is not empty, returns placeholder if is valid and is empty.
inherited
toWidget() Widget
Return a Text widget from toString
inherited
validate() → void
Validate the selection

Operators

operator ==(Object other) bool
The equality operator.
inherited