Clean up the display and dialog to use user preferences

instead of the current language.

lms/envs/common.py

@@ -555,6 +555,8 @@ LANGUAGES = (
     ('zh-tw', u'台灣正體'),  # Chinese (Taiwan)
 )
 
+LANGUAGE_DICT = dict(LANGUAGES)
+
 USE_I18N = True
 USE_L10N = True
 

lms/templates/dashboard/_dashboard_info_language.html

@@ -7,5 +7,5 @@
     ${_("Preferred Language")}
     (<a href="#change_language" rel="leanModal" class="edit-language">${_("edit")}</a>)
   </span>
-  <span class="data">${current_language['name_local']}</span>
+  <span class="data">${current_language}</span>
 </li>

lms/templates/modal/_modal-settings-language.html

@@ -34,7 +34,7 @@
             % for abbrv in language_options:
               % for language in settings.LANGUAGES:
                 % if abbrv == language[0]:
-                  % if abbrv == current_language['code']:
+                  % if abbrv == current_language_code:
                     <option value="${language[0]}" selected="selected">${language[1]}</option>
                   % else:
                     <option value="${language[0]}">${language[1]}</option>