@Inject
  public OverviewWidgetViewImpl(
      final BusyIndicatorView busyIndicatorView,
      final DiscussionWidgetPresenter discussionArea,
      final VersionHistoryPresenter versionHistory) {

    this.metadata = new MetadataWidget(busyIndicatorView);

    this.discussionArea = discussionArea;

    this.versionHistory = versionHistory;

    versionHistory.setOnCurrentVersionRefreshed(
        new ParameterizedCommand<VersionRecord>() {
          @Override
          public void execute(VersionRecord record) {
            metadata.setNote(record.comment());
            setLastModified(record.author(), record.date());
          }
        });

    initWidget(uiBinder.createAndBindUi(this));

    final TabPane versionHistoryPane =
        new TabPane() {
          {
            add(versionHistory);
          }
        };

    final TabPane metadataPane =
        new TabPane() {
          {
            add(metadata);
          }
        };

    tabContent.add(versionHistoryPane);
    tabContent.add(metadataPane);

    navTabs.add(
        new TabListItem(MetadataConstants.INSTANCE.VersionHistory()) {
          {
            addStyleName("uf-dropdown-tab-list-item");
            setDataTargetWidget(versionHistoryPane);
            setActive(true);
          }
        });

    navTabs.add(
        new TabListItem(MetadataConstants.INSTANCE.Metadata()) {
          {
            addStyleName("uf-dropdown-tab-list-item");
            setDataTargetWidget(metadataPane);
          }
        });

    navTabs.getElement().setAttribute("data-uf-lock", "false");
    showVersionHistory();
  }
 @Override
 public void showVersionHistory() {
   ((TabListItem) navTabs.getWidget(VERSION_HISTORY_TAB)).setActive(true);
 }