UndoManager[edit]

This object maintains the undo stack for an EditSession.

Constructors

    • new UndoManager()

    Resets the current undo state and creates a new UndoManager.

       

    Resets the current undo state and creates a new UndoManager.

    Methods

      • UndoManager.execute(Object options)
        • Void

      Provides a means for implementing your own undo manager. options has one property, args, an Array, with two elements:

         

      Provides a means for implementing your own undo manager. options has one property, args, an Array, with two elements:

      • args[0] is an array of deltas
      • args[1] is the document to associate with

      Arguments

      optionsObjectRequired. Contains additional properties

      Returns true if there are redo operations left to perform.

         

      Returns true if there are redo operations left to perform.

      Returns true if there are undo operations left to perform.

         

      Returns true if there are undo operations left to perform.

        • UndoManager.redo(Boolean dontSelect)
          • Void

        Perform a redo operation on the document, reimplementing the last change.

           

        Perform a redo operation on the document, reimplementing the last change.

        Arguments

        dontSelectBooleanRequired. If true, doesn't select the range of where the change occured
          • UndoManager.reset()
            • Void

          Destroys the stack of undo and redo redo operations.

             

          Destroys the stack of undo and redo redo operations.

          Perform an undo operation on the document, reverting the last change. Returns the range of the undo.

             

          Perform an undo operation on the document, reverting the last change. Returns the range of the undo.

          Arguments

          dontSelectBooleanRequired. If true, doesn't select the range of where the change occured