add plugin lang to templates

main/inc/lib/internationalization.lib.php

@@ -3315,6 +3315,7 @@ function api_is_valid_date($date, $format = 'Y-m-d H:i:s') {
     $d = DateTime::createFromFormat($format, $date);
     return $d && $d->format($format) == $date;
 }
+
 /**
  * Return the encoding country code for jquery datepicker
  * used for exemple in main/exercice/exercise_report.php
@@ -3331,6 +3332,16 @@ function get_datepicker_langage_code() {
     return $languaje;
 }
 
+/**
+ * Returns the variable translated
+ * @param $variable the string to translate
+ * @param $pluginName the Plugin name
+ * @return string the variable translated
+ */
+function get_plugin_lang($variable, $pluginName) {
+    eval("\$plugin = {$pluginName}::create();");
+    return $plugin->get_lang($variable);
+}
 /**
  * Functions for internal use behind this API
  */

main/inc/lib/template.lib.php

@@ -91,6 +91,7 @@ class Template
 
         $this->twig = new Twig_Environment($loader, $options);
 
+        $this->twig->addFilter('get_plugin_lang', new Twig_Filter_Function('get_plugin_lang'));
         $this->twig->addFilter('get_lang', new Twig_Filter_Function('get_lang'));
         $this->twig->addFilter('get_path', new Twig_Filter_Function('api_get_path'));
         $this->twig->addFilter('get_setting', new Twig_Filter_Function('api_get_setting'));