{% comment %}
Ninja template dropdown filter button only.

Expects `ninja_template` with:
- pk
- filter_var_defs
- active_filter_count
- has_active_filters
{% endcomment %}

{% if ninja_template.filter_var_defs %}
<button class="btn btn-sm {% if ninja_template.has_active_filters %}btn-secondary{% else %}btn-outline-secondary{% endif %}"
    type="button" data-bs-toggle="collapse"
    data-bs-target="#filters-{{ ninja_template.pk }}"
    aria-expanded="{% if ninja_template.has_active_filters %}true{% else %}false{% endif %}"
    aria-controls="filters-{{ ninja_template.pk }}">
    Filters{% if ninja_template.active_filter_count %} ({{ ninja_template.active_filter_count }}){% endif %}
</button>
{% endif %}