Fixing refreshing issue.

main/admin/session_list.php

@@ -50,8 +50,10 @@ $url = api_get_path(WEB_AJAX_PATH).'course.ajax.php?a=search_course';
 $courseList = array();
 $courseId = isset($_GET['course_id']) ? $_GET['course_id'] : null;
 if (!empty($courseId)) {
+    require_once api_get_path(LIBRARY_PATH).'course_category.lib.php';
     $courseInfo = api_get_course_info_by_id($courseId);
-    $courseList[] = array('id' => $courseInfo['id'], 'text' => $courseInfo['title']);
+    $parents = getParentsToString($courseInfo['categoryCode']);
+    $courseList[] = array('id' => $courseInfo['id'], 'text' => $parents.$courseInfo['title']);
 }
 $sessionFilter->addElement('select_ajax', 'course_name', get_lang('SearchCourse'), null, array('url' => $url, 'defaults' => $courseList));
 $url = api_get_self();

main/inc/ajax/course.ajax.php

@@ -65,23 +65,13 @@ switch ($action) {
             $results = array();
 
             require_once api_get_path(LIBRARY_PATH).'course_category.lib.php';
-            $categories = browseCourseCategories();
 
             foreach ($courseList as $courseInfo) {
                 $title = $courseInfo['title'];
 
                 if (!empty($courseInfo['category_code'])) {
-                    $parents = getParents($courseInfo['category_code']);
-
-                    if (!empty($parents)) {
-                        $parents = array_reverse($parents);
-                        $categories = array();
-                        foreach ($parents as $category) {
-                            $categories[] = $category['code'];
-                        }
-                        $categoriesInString = implode(' > ', $categories).' > ';
-                        $title = $categoriesInString.$courseInfo['title'];
-                    }
+                    $parents = getParentsToString($courseInfo['category_code']);
+                    $title = $parents.$courseInfo['title'];
                 }
 
                 $results[] = array(

main/inc/lib/course_category.lib.php

@@ -291,6 +291,22 @@ function getParents($categoryCode)
     }
     return $children;
 }
+function getParentsToString($categoryCode)
+{
+    $parents = getParents($categoryCode);
+
+    if (!empty($parents)) {
+        $parents = array_reverse($parents);
+        $categories = array();
+        foreach ($parents as $category) {
+            $categories[] = $category['code'];
+        }
+        $categoriesInString = implode(' > ', $categories).' > ';
+        return $categoriesInString;
+    }
+    return null;
+}
+
 /**
  * @param string $categorySource
  * @return string