CellState<T extends StatefulCell> class

Holds the state of a StatefulCell.

The cell state is responsible for keeping track of the observers of the cell and whatever is necessary for computing the cell's value

Implementers

Constructors

CellState({required T cell, required dynamic key}): Create a state for cell identified by key.

cell → T: The cell associated with this state
final
hashCode → int: The hash code for this object.
no setterinherited
isActive → bool: Does this cell have at least one observer?
no setter
isDisposed → bool: Has this state been disposed.
no setter
key → dynamic: The key identifying the cell.
final
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited

addObserver(CellObserver observer) → void: Add an observer which is notified of changes in the value of the cell.
dispose() → void: Teardown the cell state.
init() → void: Initialize the cell state.
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
notifyUpdate({bool isEqual = false, bool didChange = true}) → void: Notify the observers of the cell that the cell's value has changed.
notifyWillUpdate({bool isEqual = false}) → void: Notify the observers of the cell that the cell's value will change.
removeObserver(CellObserver observer) → void: Remove an observer, so that it is no longer notified of changes in the value of the cell.
toString() → String: A string representation of this object.
inherited

getState<T extends CellState<StatefulCell>>(dynamic key, T create()) → T: Get the state for the cell identified by key.
maybeGetState<T extends CellState<StatefulCell>>(dynamic key) → T?: Get the state for the cell identified by key if it exists.