deserialize method

Implementation

@override
void deserialize(XmlElement xml)
{
  // deserialize
  super.deserialize(xml);

  // clear items
  for (var item in this.items) {
    item.dispose();
  }
  this.items.clear();

  // build items
  List<MenuItemModel> items = findChildrenOfExactType(MenuItemModel).cast<MenuItemModel>();

  // set prototype
  if ((!S.isNullOrEmpty(datasource)) && (items.isNotEmpty))
  {
    prototype = WidgetModel.prototypeOf(items[0].element);
    items.removeAt(0);
  }

  // build items
  for (var item in items) {
    this.items.add(item);
  }
}