private void _buildLayoutBreadcrumb(
      Layout selLayout,
      String selLayoutParam,
      PortletURL portletURL,
      ThemeDisplay themeDisplay,
      boolean selectedLayout,
      StringBundler sb)
      throws Exception {
    String layoutURL = _getBreadcrumbLayoutURL(selLayout, selLayoutParam, portletURL, themeDisplay);
    String target = PortalUtil.getLayoutTarget(selLayout);

    StringBundler breadCrumbSB = new StringBundler(7);

    breadCrumbSB.append("<li><span><a href=\"");
    breadCrumbSB.append(layoutURL);
    breadCrumbSB.append("\" ");
    breadCrumbSB.append(target);
    breadCrumbSB.append(">");

    breadCrumbSB.append(HtmlUtil.escape(selLayout.getName(themeDisplay.getLocale())));

    breadCrumbSB.append("</a></span></li>");

    Layout layoutParent = null;
    long layoutParentId = selLayout.getParentLayoutId();

    if (layoutParentId != LayoutConstants.DEFAULT_PARENT_LAYOUT_ID) {
      layoutParent =
          LayoutLocalServiceUtil.getLayout(
              selLayout.getGroupId(), selLayout.isPrivateLayout(), layoutParentId);

      _buildLayoutBreadcrumb(layoutParent, selLayoutParam, portletURL, themeDisplay, false, sb);

      sb.append(breadCrumbSB.toString());
    } else {
      sb.append(breadCrumbSB.toString());
    }
  }