Class SetTextNodeValueUndo

Undo operation for "wed/tree-updater".SetTextNodeValueEvent.

Hierarchy

Undo
- SetTextNodeValueUndo

Index

Constructors

constructor

Properties

Methods

Constructors

constructor

new SetTextNodeValueUndo(treeUpdater: TreeUpdater, node: Text, value: string, oldValue: string): SetTextNodeValueUndo

Overrides Undo.constructor
- Defined in wed/undo-recorder.ts:82
Parameters
- treeUpdater: TreeUpdater
  
  The tree updater to use to perform undo or redo operations.
- node: Text
- value: string
- oldValue: string
Returns SetTextNodeValueUndo

Properties

Protected _events

_events: Subject<UndoEvents> = new Subject()

desc

desc: string

events

events: Observable<UndoEvents> = this._events.asObservable()

Private nodePath

nodePath: string

Private oldValue

oldValue: string

Private treeUpdater

treeUpdater: TreeUpdater

The tree updater to use to perform undo or redo operations.

Private value

value: string

Methods

performRedo

performRedo(): void

Overrides Undo.performRedo
- Defined in wed/undo-recorder.ts:101
Returns void

performUndo

performUndo(): void

Overrides Undo.performUndo
- Defined in wed/undo-recorder.ts:95
Returns void

redo

redo(): void

Inherited from Undo.redo
- Defined in wed/undo.ts:269
Called when the operation must be redone.

throws

{Error} If an undo is attempted when an undo or redo is already in progress.

Returns void

toString

toString(): string

Overrides Undo.toString
- Defined in wed/undo-recorder.ts:107
Returns string

undo

undo(): void

Inherited from Undo.undo
- Defined in wed/undo.ts:249
Called when the operation must be undone.

throws

{Error} If an undo is attempted when an undo or redo is already in progress.

Returns void

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