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

   The intent here is to make it easier to insert additional text
   without needing to alter or understand the larger amount of HTML. See
   `sme` for an example of including the @reg attribute.

 #}

{%- 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 link_target = '' %}
    {% set fra_ref = tg.xpath('./re/@fra_ref') %}
    {% set l_par = tg.xpath('./t/@l_par') %}
    {% set r_par = tg.xpath('./t/@r_par') %}
    {% if l_par|count > 0 %}
      {% set l_par_text = l_par[0] %}
      {% set if_l_par = true %}
    {% else %}
      {% set if_l_par = false %}
    {% endif %}
    {% if r_par|count > 0 %}
      {% set r_par_text = r_par[0] %}
      {% set if_r_par = true %}
    {% else %}
      {% set if_r_par = false %}
    {% endif %}


    {% 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 reference %}
      {% if if_l_par or if_r_par %}
        {% if if_l_par and if_r_par %}
          <span class="l-r-par">({{l_par_text}})</span>
          <a href="{{ url_for('.search_pair_referred_search', _from=_from, _to=_to) }}?l_til_ref={{ reference }}">
              {{- text -}}
          </a>
          <span class="l-r-par">({{r_par_text}})</span>
        {% else %}
          {% if if_l_par and not if_r_par %}
            <span class="l-r-par">({{l_par_text}})</span>
            <a href="{{ url_for('.search_pair_referred_search', _from=_from, _to=_to) }}?l_til_ref={{ reference }}">
                {{- text -}}
            </a>
          {% else %}
            {% if not if_l_par and if_r_par %}
              <a href="{{ url_for('.search_pair_referred_search', _from=_from, _to=_to) }}?l_til_ref={{ reference }}">
                  {{- text -}}
              </a>
              <span class="l-r-par">({{r_par_text}})</span>
            {% endif %}
          {% endif %}
        {% endif %}
      {% else %}
        <a href="{{ url_for('.search_pair_referred_search', _from=_from, _to=_to) }}?l_til_ref={{ reference }}">
              {{- text -}}
        </a> &rarr;
      {% endif %}
    {%- else %}
        {# NB: swap from and to for these links since these are definitions. #}
        {% if if_l_par or if_r_par %}
          {% if if_l_par and if_r_par %}
            <span class="l-r-par">({{l_par_text}})</span>
            <a href="{{ url_for('.detailed_language_pair_search', _from=_to, _to=_from, wordform=text, format='html') }}?no_compounds=true&lemma_match=true">
                {{- text -}}
            </a>
            <span class="l-r-par">({{r_par_text}})</span>
          {% else %}
            {% if if_l_par and not if_r_par %}
              <span class="l-r-par">({{l_par_text}})</span>
              <a href="{{ url_for('.detailed_language_pair_search', _from=_to, _to=_from, wordform=text, format='html') }}?no_compounds=true&lemma_match=true">
                  {{- text -}}
              </a>
            {% else %}
              {% if not if_l_par and if_r_par %}
                <a href="{{ url_for('.detailed_language_pair_search', _from=_to, _to=_from, wordform=text, format='html') }}?no_compounds=true&lemma_match=true">
                    {{- text -}}
                </a>
                <span class="l-r-par">({{r_par_text}})</span>
              {% endif %}
            {% endif %}
          {% endif %}
        {% else %}
          <a href="{{ url_for('.detailed_language_pair_search', _from=_to, _to=_from, wordform=text, format='html') }}?no_compounds=true&lemma_match=true">
              {{- 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 : #}