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

   Differences between this and the parent template are:
    - include region attribute

 #}

{%- macro render_region(translation_group) -%}
    {%- set reg_nodes = translation_group|xpath('./t/@reg') -%}
    {%- if reg_nodes|count > 0 -%}
        ({{ reg_nodes|first }}) 
    {%- endif -%}
{%- endmacro -%}

{%- macro render_annotation(tg) -%}
    {# Render the annotation (<re />) node, unless it has a @fra_ref. #}
    {%- set annotations = tg.xpath('./re') %}
    {% set fra_ref = tg.xpath('./re/@fra_ref')|count > 0 %}

    {% if annotations|count > 0 and not fra_ref %}
        ({{ annotations[0].text }})
    {% 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 %}

    {% if explanation_exists and explanation == 'expl' %}
        {% if pos_text|length > 0 %}({{ pos_text }}) {% endif %}{{ text -}}
    {% else %}
        {% if reference %}
            <a href="{{ url_for('.search_pair_referred_search', _from=_from, _to=_to) }}?l_til_ref={{ reference }}">
                {% if pos_text|length > 0 %}({{ pos_text }}) {% endif %}{{ text -}}
            </a> &rarr;
        {%- else %}
            {# NB: swap from and to for these links since these are definitions. #}
            <a href="{{ url_for('.detailed_language_pair_search', _from=_to, _to=_from, wordform=text, format='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_region(translation_group) -}}{{ render_tg(translation_group) }}</span>
{%- endif -%}

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