improve footer and add language selector

src/c3nav/site/static/site/css/c3nav.css

@@ -278,3 +278,15 @@ footer {
         padding-bottom: 18px;
     }
 }
+
+.languages {
+    margin-bottom:0;
+    height:2px;
+}
+.languages button {
+    text-transform:none;
+    font-weight:normal;
+    margin-top:0 !important;
+    border-width:0 !important;
+    padding:0;
+}

src/c3nav/site/templates/site/base.html

@@ -22,25 +22,7 @@
         {% block content %}
         {% endblock %}
 
-        <footer>
-            <a href="https://github.com/c3nav/c3nav">GitHub</a>
-            - <a href="https://twitter.com/c3nav">Twitter</a>
-            – <a href="{% url 'editor.index' %}">{% trans 'Editor' %}</a>
-            – <a href="/api/">{% trans 'API' %}</a>
-            {% if full_access or access_list %}
-                <br><small>
-                {% if full_access %}
-                    {% trans 'full access unlocked' %}
-                {% else %}
-                    {% blocktrans count count=access_list|length %}
-                    {{ count }} one area unlocked
-                    {% plural %}
-                    {{ count }} areas unlocked
-                    {% endblocktrans %}
-                {% endif %}
-                </small>
-            {% endif %}
-        </footer>
+        {% include 'site/footer.html' %}
     </div>
 
     {% compress js %}

src/c3nav/site/templates/site/footer.html

@@ -0,0 +1,33 @@
+{% load i18n %}
+
+<footer>
+    <a href="https://github.com/c3nav/c3nav">GitHub</a>
+    – <a href="https://twitter.com/c3nav">Twitter</a>
+    – <a href="{% url 'editor.index' %}">{% trans 'Editor' %}</a>
+    – <a href="/api/">{% trans 'API' %}</a>
+    <form action="{% url 'set_language' %}" method="post" class="languages">
+        {% csrf_token %}
+        <input name="next" type="hidden" value="{{ request.path }}" />
+        {% get_available_languages as LANGUAGES %}
+        {% get_language_info_list for LANGUAGES as languages %}
+        {% for language in languages %}
+            {% if not forloop.first %}–{% endif %}
+            <button type="submit" name="language" value="{{ language.code }}" class="btn btn-link btn-xs">
+                {{ language.name_local }}
+            </button>
+        {% endfor %}
+    </form>
+    {% if full_access or access_list %}
+        <br><small>
+        {% if full_access %}
+            {% trans 'full access unlocked' %}
+        {% else %}
+            {% blocktrans count count=access_list|length %}
+            {{ count }} one area unlocked
+            {% plural %}
+            {{ count }} areas unlocked
+            {% endblocktrans %}
+        {% endif %}
+        </small>
+    {% endif %}
+</footer>