EditorHistory
Module class is used to handle history preservation
number
Gets the limit of redo operations can be done.
number
Gets the limit of undo operations can be done.
Starts a new undo able action.
All editing and formatting changes made between
beginUndoAction
andendUndoAction
will be grouped together as a single undo able action.
Returns void
Determines whether the redo operation can be done.
Returns boolean
Determines whether the undo operation can be done.
Returns boolean
Ends the current undo able action.
All editing and formatting changes made between
beginUndoAction
andendUndoAction
will be grouped together as a single undo able action.
Returns void
Performs the last reverted action.
Returns void
Reverts the last editing action.
Returns void