NEPT-1804: Use the translated path of a content if exists. (#13)

* NEPT-1804: Use the translated path of a content if exists.

* NEPT-1804: Add missing param doc in _ec_resp_nexteuropa_multilingual_language_list_column().

* NEPT-1804: $all_paths[$language->language] is set.

template.php

@@ -1769,8 +1769,8 @@ function ec_resp_nexteuropa_multilingual_language_list(array $variables) {
   $first_half = array_slice($variables['languages'], 0, $half);
   $second_half = array_slice($variables['languages'], $half);
 
-  $content .= _ec_resp_nexteuropa_multilingual_language_list_column($first_half, $variables['path'], $options);
-  $content .= _ec_resp_nexteuropa_multilingual_language_list_column($second_half, $variables['path'], $options);
+  $content .= _ec_resp_nexteuropa_multilingual_language_list_column($first_half, $variables['path'], $options, $variables['all_paths']);
+  $content .= _ec_resp_nexteuropa_multilingual_language_list_column($second_half, $variables['path'], $options, $variables['all_paths']);
 
   $content .= '</div>';
 
@@ -1786,18 +1786,28 @@ function ec_resp_nexteuropa_multilingual_language_list(array $variables) {
  *   The internal path being linked to.
  * @param array $options
  *   An associative array of additional options.
+ * @param array $all_paths
+ *   An associative array of paths keyed by their language code.
+ *   If it is not empty, the array items will be used to generate the links of
+ *   language list.
  *
  * @return string
  *   Formatted HTML column displaying the list of provided languages.
  */
-function _ec_resp_nexteuropa_multilingual_language_list_column($languages, $path, $options) {
+function _ec_resp_nexteuropa_multilingual_language_list_column($languages, $path, $options, $all_paths = array()) {
   $content = '<div class="col-sm-6">';
   foreach ($languages as $language) {
     $options['attributes']['lang'] = $language->language;
     $options['attributes']['hreflang'] = $language->language;
     $options['attributes']['class'] = 'btn splash-page__btn-language';
     $options['language'] = $language;
-    $content .= l($language->native, $path, $options);
+
+    $translated_path = $path;
+    if (!empty($all_paths[$language->language])) {
+      $translated_path = $all_paths[$language->language];
+    }
+
+    $content .= l($language->native, $translated_path, $options);
   }
   $content .= '</div>';