Fix datepicker locale path

Closes #279
Signed-off-by: Thomas Citharel <tcit@tcit.fr>

app/inc/smarty.php

@@ -75,3 +75,30 @@ function smarty_modifier_addslashes_single_quote($string) {
 function smarty_modifier_html($html) {
     return Utils::htmlEscape($html);
 }
+
+function smarty_modifier_datepicker_path($lang) {
+    $i = 0;
+    while (!is_file(path_for_datepicker_locale($lang)) && $i < 3) {
+        $lang_arr = explode('-', $lang);
+        if ($lang_arr && count($lang_arr) > 1) {
+            $lang = $lang_arr[0];
+        } else {
+            $lang = 'en';
+        }
+        $i += 1;
+    }
+    return 'js/locales/bootstrap-datepicker.' . $lang . '.js';
+}
+
+function smarty_modifier_locale_2_lang($locale) {
+    $lang_arr = explode('-', $locale);
+    if ($lang_arr && count($lang_arr) > 1) {
+        return $lang_arr[0];
+    } else {
+        return $locale;
+    }
+}
+
+function path_for_datepicker_locale($lang) {
+    return __DIR__ . '/../../js/locales/bootstrap-datepicker.' . $lang . '.js';
+}

tpl/page.tpl

@@ -23,8 +23,8 @@
     <script type="text/javascript" src="{'js/jquery-1.12.4.min.js'|resource}"></script>
     <script type="text/javascript" src="{'js/bootstrap.min.js'|resource}"></script>
     <script type="text/javascript" src="{'js/bootstrap-datepicker.js'|resource}"></script>
-    {if "en" != $locale}
-    <script type="text/javascript" src="{"js/locales/bootstrap-datepicker.$locale.js"|resource}"></script>
+    {if 'en' != $locale}
+    <script type="text/javascript" src="{$locale|datepicker_path|resource}"></script>
     {/if}
     <script type="text/javascript" src="{'js/core.js'|resource}"></script>
 

tpl/part/description_markdown.tpl

@@ -26,9 +26,9 @@
                     </p>
                     <p>
                         {__('Step 1', 'More informations here:')}
-                        <a href="http://{$locale}.wikipedia.org/wiki/Markdown">http://{$locale}.wikipedia.org/wiki/Markdown</a>
+                        <a href="http://{$locale|locale_2_lang}.wikipedia.org/wiki/Markdown">http://{$locale|locale_2_lang}.wikipedia.org/wiki/Markdown</a>
                     </p>
             </div>
         </div>
     </div>
-</div>
\ No newline at end of file
+</div>