selectMenu method

void selectMenu(MenuNode menu)

Implementation

void selectMenu(MenuNode menu) {
  if(state is! MenuLoadSuccess) return;
  MenuLoadSuccess old = state as MenuLoadSuccess;
  MenuState oldSate = old.state;
  MenuState newState;
  if (menu.isLeaf) {
    newState = oldSate.copyWith(activeMenu: menu.path);
  } else {
    List<String> menus = [];
    String path = menu.path.substring(1);
    List<String> parts = path.split('/');

    if (parts.isNotEmpty) {
      String path = '';
      for (String part in parts) {
        path += '/$part';
        menus.add(path);
      }
    }

    if (oldSate.expandMenus.contains(menu.path)) {
      menus.remove(menu.path);
    }
    newState = oldSate.copyWith(expandMenus: menus);
  }
  emit(MenuLoadSuccess(
    state: newState,
  ));
}