code: public void show(String repository, final boolean changeHistory) {
          this.repository = repository;
          refreshWorkspacesAndReloadNode(null, ROOT_PATH, changeHistory);
      }
docs: Shows content of the root node of the first reachable workspace of the
  given repository.
  
  @param repository the name of the given repository.
  @param changeHistory if true then this action of navigation will be
  reflected in the browser URL and will don't touch URL in case of false
  value.