Interface undoRedoUI

onChange

• onChange(listener: ((args: { redoStepsCount: number; undoStepsCount: number }) => void)): undoRedoUI

• Occurs when the undo redo buttons needs to updated.

  var chart = new OrgChart('#tree', {});
  chart.undoRedoUI.onChange((args) => {
  //return false; to cancel the operation
  });
  

  Parameters

  • listener: ((args: { redoStepsCount: number; undoStepsCount: number }) => void)

    • • (args: { redoStepsCount: number; undoStepsCount: number }): void

      • Parameters

        • args: { redoStepsCount: number; undoStepsCount: number }

          • redoStepsCount: number

            Redo stack steps count

          • undoStepsCount: number

            Undo stack steps count

        Returns void

  Returns undoRedoUI