ComponentAction<T extends Intent> class
- Inheritance
-
- Object
- Action<
T> - ContextAction<
T> - ComponentAction
Constructors
- ComponentAction({required Object? handler(T, [BuildContext?]), bool consumesKeyPredicate(T)?, bool isEnabledPredicate(T)?})
Properties
-
callingAction
→ Action<
T> ? -
The Action overridden by this Action.
no setterinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- intentType → Type
-
Gets the type of intent this action responds to.
no setterinherited
- isActionEnabled → bool
-
Whether this Action is inherently enabled.
no setteroverride
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
addActionListener(
ActionListenerCallback listener) → void -
Register a callback to listen for changes to the state of this action.
inherited
-
consumesKey(
T intent) → bool -
Indicates whether this action should treat key events mapped to this
action as being "handled" when it is invoked via the key event.
override
-
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
inherited
-
disable(
) → void -
disableKeyConsume(
) → void -
enable(
) → void -
enableKeyConsume(
) → void -
invoke(
T intent, [BuildContext? context]) → Object? -
Called when the action is to be performed.
override
-
isEnabled(
T intent) → bool -
Returns true if the action is enabled and is ready to be invoked.
override
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
notifyActionListeners(
) → void -
Call all the registered listeners.
inherited
-
removeActionListener(
ActionListenerCallback listener) → void -
Remove a previously registered closure from the list of closures that are
notified when the object changes.
inherited
-
toDiagnosticsNode(
{String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode -
Returns a debug representation of the object that is used by debugging
tools and by DiagnosticsNode.toStringDeep.
inherited
-
toggle(
) → void -
toggleKeyConsume(
) → void -
toKeyEventResult(
T intent, covariant Object? invokeResult) → KeyEventResult -
Converts the result of invoke of this action to a KeyEventResult.
inherited
-
toString(
{DiagnosticLevel minLevel = DiagnosticLevel.info}) → String -
A string representation of this object.
inherited
-
toStringShort(
) → String -
A brief description of this object, usually just the runtimeType and the
hashCode.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited