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HistoryManager

HistoryManager​

Manages undo/redo actions.

Constructor​

public HistoryManager​

new HistoryManager()

*Description needed*

Properties​

No publicly accessible properties on HistoryManager

private undoStack: Action[]​

Description needed

private redoStack: Action[]​

Description needed

private disabled: false | true​

Description needed

private callbacks: Set<HistoryCallback>​

Description needed

Methods​

private callback​

callback(type, action) => void

Description needed

Parameters

  •  type: "add" | "undo" | "redo" | "reset" – Description needed

  •  action: Action – Description needed

public addCallback​

addCallback(callback) => void

Description needed

Parameters

public removeCallback​

removeCallback(callback) => void

Description needed

Parameters

public setDisabled​

setDisabled(disabled) => void

Description needed

Parameters

  •  disabled: false | true – Description needed

public add​

add(action) => HistoryManager

Add a new action to the undo stack.

Parameters

  •  action: Action – The new action.

Returns

public undo​

undo() => HistoryManager

Undo next action and add to redo stack.

Returns

public redo​

redo() => HistoryManager

Redo next action and add back to undo stack.

Returns

public reset​

reset() => void

Description needed

public getActions​

getActions() => Action[]

Description needed

Returns

  •   Action[] – Description needed

public getRedoActions​

getRedoActions() => Action[]

Description needed

Returns

  •   Action[] – Description needed

Static Methods​

No static methods for HistoryManager