{# This entry is evaluated on a translation-group by translation-group
   basis, and so far only receives the `translation_group` <tg /> node.

   NB: There is one override here, which is to deal with the <t
   type="expl" /> nodes. For now these shouldn't be links, but we might
   change the link target to the grammar at some point.
    
     see: render_link

 #}

{%- macro render_annotation(tg) -%}
    {# Render the annotation (<re />) node, unless it has a @fra_ref. #}
    {%- set annotations = tg.xpath('./re') %}
    {%- set contains_grammar_link = tg.xpath('./t/@href') or False %}
    {% set fra_ref = tg.xpath('./re/@fra_ref')|count > 0 %}

    {%- if contains_grammar_link -%}
        {%- if annotations|count > 0 and not fra_ref -%}
            ({{ annotations[0].text }})
        {% endif -%}
    {% else %}
        {% if annotations|count > 0 and not fra_ref %}
            ({{ annotations[0].text }})
        {% endif -%}
    {% endif %}
{%- endmacro -%}

{%- macro render_link(tg, t) -%}
    {# Render a link to the detailed page. One exception: if the lexicon
    annotation entry contains a @fra_ref attribute, then we make a
    reference link, inserting this attribute's value in as a parameter. 

         <tg xml:lang="sme">
            <re fra_ref="omtopersoner">om to personer</re>
            <t/>
         </tg>

         -->

         <l pos="Pron"
            type="Recipr"
            orig_entry="hverandre"
            til_ref="omtopersoner">hverandre: om to personer</l>
    
    #}

    {% set text = t.text %}

    {% set pos = t.attrib.get('pos', '') %}

    {%- if pos == 'Pron' and t.attrib.get('type') %}
        {% set pos_type = t.attrib.get('type')|tagfilter(_from, _to) %}
        {% set pos_text = pos|tagfilter(_from, _to)  + " " + pos_type %}
    {% else %}
        {% set pos_text = pos|tagfilter(_from, _to) %}
    {%- endif %}

    {% set pos_text = pos_text|trim %}

    {% set link_target = '' %}
    {% set fra_ref = tg.xpath('./re/@fra_ref') %}

    {% set explanation = t.attrib.get('type', False) %}
    {% set explanation_exists = explanation and True %}

    {% if fra_ref|count > 0 %}
        {# If this is a reference link, then there is no data in the
           <t /> node, so the <re /> becomes the link text.  #}

        {% set annotations = tg.xpath('./re') %}
        {% set reference = fra_ref|join('') %}
        {% set text = annotations[0].text %}
    {% else %}
        {% set reference = false %}
    {% endif %}

   {% set grammar_link = t.attrib.get('href', false) %} 

    {# NB: link to grammar should go in somewhere around here. Probably
    want to do this with a &rarr; similar to the munnje -> mun stuff #}

    {% if explanation_exists and explanation == 'expl' %}
        {% if pos_text|length > 0 %}({{ pos_text }}) {% endif %} {{  text -}}
    {%- else %}
        {% if reference %}
            <a href="/{{ _from }}/{{ _to }}/ref/?l_til_ref={{ reference }}">
                {% if pos_text|length > 0 %}({{ pos_text }}) {% endif %}{{ text -}}
            </a> &rarr;
        {% elif grammar_link %}
            <a href="{{ grammar_link }}" target="_blank">
                <em class="grammar_link">{% trans %}Bruk: {% endtrans %}</em><span class="grammar_link_text">{{ text -}}</span>
            </a> 
        {%- else %}
            {# NB: swap from and to for these links since these are definitions. #}
            <a href="/detail/{{ _to }}/{{ _from }}/{{ text }}.html?no_compounds=true&lemma_match=true">
                {% if pos_text|length > 0 %}({{ pos_text }}) {% endif %}{{ text -}}
            </a>
        {%- endif %}
    {%- endif %}
{%- endmacro -%}

{%- macro render_tg(tg) -%}
    {# Render all the texts as individual links, followed by a potential
    annotation. #}

    {% for t in tg.xpath('./t') %}
        {{ render_link(tg, t) -}}{% if not loop.last %}, {% endif %}
    {% endfor %}

    {{- render_annotation(tg) -}}
{%- endmacro -%}

{%- if translation_group -%}
    <span lang="{{ _to }}">{{ render_tg(translation_group) }}</span>
{%- endif -%}

{#  vim: set ts=4 sw=4 tw=72 syntax=htmljinja : #}