{#
# GNU MediaGoblin -- federated, autonomous media hosting
# Copyright (C) 2011, 2012 MediaGoblin contributors.  See AUTHORS.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#}

{# Provide navigation links to neighboring media entries, if possible #}
{% set prev_entry_url = media.url_to_prev(request.urlgen) %}
{% set next_entry_url = media.url_to_next(request.urlgen) %}
{% if is_rtl %}
  {% set next_arrow = "→" %}
  {% set prev_arrow = "←" %}
{% else %}
  {% set next_arrow = "←" %}
  {% set prev_arrow = "→" %}
{% endif %}

{% if prev_entry_url or next_entry_url %}
  <div class="navigation">
   {# There are no previous entries for the very first media entry #}
    {% if prev_entry_url %}
      <a class="navigation_button navigation_left" href="{{ prev_entry_url }}">
        {{next_arrow}} {% trans %}newer{% endtrans %}
      </a>
    {% else %}
      {# This is the first entry. display greyed-out 'previous' image #}
      <p class="navigation_button navigation_left">
        {{next_arrow}} {% trans %}newer{% endtrans %}
      </p>
    {% endif %}
    {# Likewise, this could be the very last media entry #}
    {% if next_entry_url %}
      <a class="navigation_button navigation_right" href="{{ next_entry_url }}">
        {% trans %}older{% endtrans %} {{prev_arrow}}
      </a>
    {% else %}
      {# This is the last entry. display greyed-out 'next' image #}
      <p class="navigation_button navigation_right">
        {% trans %}older{% endtrans %} {{prev_arrow}}
      </p>
    {% endif %}
  </div>
{% endif %}
