CellWatcher class

Maintains the state of a cell watcher.

A cell watcher is a function which is called whenever the values of the cells referenced within it change.

Implementers

• Watch

Constructors

CellWatcher({dynamic key})

Create a CellWatcher identified by key.

Properties

hashCode → int

The hash code for this object.

no setter, override

isInitialized → bool

Has the watch function been called once to initialize its dependencies.

no setter

key ↔ dynamic

Key identifying watch function

late, final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

afterInit() → void

Exit the watch function on the first call.

init(WatchCallback watch) → void

Initialize the cell watcher

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

stop() → void

Stop watching the referenced cells.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

override

Static Methods

stopByKey(dynamic key) → void

Stop the watch function identified by key.