UndoableAction Class
Heirarchy
- UndoableAction
Constructors
Properties
Methods
Constructors
constructor
- new
Undoable Action(target: any): UndoableAction
-
Initializes a new instance of an UndoableAction.
Parameters
-
target: any
Object that the action applies to.
Returns UndoableAction
-
Properties
target
target: any
Gets a reference to the action's target object.
Methods
addChildAction
- add
Child Action(action: UndoableAction): void
-
Adds a child action to this action's child list.
Parameters
-
action: UndoableAction
UndoableAction to add to this action's child action list.
Returns void
-
applyState
- apply
State(state: any): void
-
Applies a given state to the target object.
Parameters
-
state: any
State to apply to the target object.
Returns void
-
close
- close(): boolean
-
Closes the action by saving the new state. Returns true if the new state is different from the old state.
Returns boolean
redo
- redo(): void
-
Redoes the action.
Returns void
shouldAddAsChildAction
- should
Add AsChild Action(action: UndoableAction): boolean
-
Gets a value that determines whether a given action should be added as a child action or as a new independent action.
Parameters
-
action: UndoableAction
UndoableAction to add to this action's child action list.
Returns boolean
-
undo
- undo(): void
-
Undoes the action.
Returns void
Base class for undoable actions.