Filter the list of languages depending on the country

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

www/templates/maposmatic/index.html

@@ -131,7 +131,7 @@ function validate_city_search()
 		else
                 {
                   $("#result_nominatim_search").append("<li><input onchange=\"javascript:update_hidden(this,'"
-		     +item.display_name+"');\" type=\"radio\" name=\"administrative_tmp_osmid\" value=\""
+		     +item.display_name+"'); select_country('" + item.country_code + "');\" type=\"radio\" name=\"administrative_tmp_osmid\" value=\""
 		     +item.ocitysmap_params['id']+"\" id=\"rd"+item.ocitysmap_params['id']+"\"/><label for=\"rd"+
 		     item.ocitysmap_params['id']+"\">" +item.display_name+"</label></li>");
 		  elemFound = elemFound + 1;
@@ -147,6 +147,24 @@ function validate_city_search()
 	    });
 }
 
+function select_country(country)
+{
+  var nonhidden = null;
+  $('#id_map_language').find('option').each(function() {
+   var ischoosen = $(this).val().match(".._" + country.toUpperCase() + "\..*");
+   if (ischoosen == null) {
+     $(this).hide();
+   }
+   else {
+     $(this).show();
+     if (nonhidden == null)
+        nonhidden = $(this);
+   }
+   });
+
+   nonhidden.attr('selected', 'selected');
+}
+
 function update_hidden(obj, nloc)
 {
   toggle_form_validation("true");