undo method

  1. @override
void undo(
  1. EditorState state
)
override

Implementation

@override
void undo(EditorState state) {
  if (_removedElement != null && _removedIndex != null) {
    final elements = List<EditorElement>.from(state.elements);
    elements.insert(_removedIndex!, _removedElement!);
    state.updateElements(elements);
    state.selectElement(elementId);
  }
}