SwayzeHeaderController class
A ValueListenable that keeps the state of columns or rows in a table.
It follows an immutable patter where the state should be updated via updateState.
The state is stored as SwayzeHeaderState.
The current value should be accessed via value.
See also:
- SwayzeTableDataController.columns and SwayzeTableDataController.rows that holds this information.
- Inheritance
-
- Object
- ChangeNotifier
- ValueNotifier<
SwayzeHeaderState> - SwayzeHeaderController
- Implemented types
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasListeners → bool
-
Whether any listeners are currently registered.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- value ↔ SwayzeHeaderState
-
The current value stored in this notifier.
getter/setter pairinherited-getteroverride-setter
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
-
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 -
A string representation of this object.
inherited
-
updateElasticCount(
int newElasticCount) → void - Given a new elastic count, check if the new value will have impact on the total size of the grid and update it.
-
updateState(
SwayzeHeaderState stateUpdate(SwayzeHeaderState previousState)) → void
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited