selectItem method

bool selectItem(
  1. String alias
)

Selects the first item whose alias equals alias.

Returns false if the alias is unknown or the item has no page.

Implementation

bool selectItem(String alias) {
  for (final item in _items) {
    if (item.alias == alias && item.page != null) {
      page = item.page;
      return true;
    }
  }
  return false;
}