maple-bbs/maple/templates/base/head.html

{% macro breadcrumb(hrefs=None,active=None) -%}
<ol class="breadcrumb" style="margin:0">
    {% if not active %}
    <li><a href="{{ url_for('forums.forums') }}"><span class="glyphicon glyphicon-home" aria-hidden="true"></span>{{ _('Index') }}</a></li>
    {% else %}
    <li><a href="{{ url_for('forums.forums') }}"><span class="glyphicon glyphicon-home" aria-hidden="true"></span>{{ _('Index') }}</a></li>
    {{ breadcrumb_list(hrefs) }}
    <li class="active">{{ active }}</li>
    {% endif %}
</ol>
{%- endmacro %}

{% macro breadcrumb_list(hrefs) -%}
{% if hrefs %}
{% for k,v in hrefs.items() %}
<li><a href="{{ v }}">{{ k }}</a></li>
{% endfor %}
{% endif %}
{%- endmacro %}