--- /Applications/MAMP/htdocs/moodle19/mod/workshop/lib.php	2009-11-14 01:02:52.000000000 +0100
+++ /Users/daniele/Desktop/dev/workshop/lib.php	2009-09-01 08:54:12.000000000 +0200
@@ -1869,4 +1861,62 @@
     return array('moodle/site:accessallgroups', 'moodle/site:viewfullnames');
 }
 
+/**
+ * Called by course/reset.php
+ * @param $mform form passed by reference
+ */
+function workshop_reset_course_form_definition(&$mform) {
+
+    $mform->addElement('header', ' workshopheader', get_string('modulenameplural', 'workshop'));
+    $mform->addElement('checkbox', 'reset_workshop_all', get_string('resetworkshopall','workshop'));
+}
+
+/**
+ * Course reset form defaults.
+ */
+function workshop_reset_course_form_defaults($course) {
+    return array('reset_certificate_all'=>1);
+}
+
+/**
+ * This function is used by the reset_course_userdata function in moodlelib.
+ * This function will remove all issued certificates from the specified course
+ * @param $data the data submitted from the reset course.
+ * @return array status array
+ */
+function workshop_reset_userdata($data) {
+    global $CFG;
+
+    $componentstr = get_string('modulenameplural', 'workshop');
+    $typesstr     = get_string('resetworkshopall', 'workshop');
+    $status = array();
+
+    if (!empty($data->reset_workshop_all)) {
+    /// Delete records
+        $allworkshopssql= "SELECT w.id
+                                FROM {$CFG->prefix}workshop w
+                               WHERE w.course={$data->courseid}";
+    /// Delete records
+        delete_records_select('workshop_assessments', "workshopid IN ($allworkshopssql)");
+        delete_records_select('workshop_comments', "workshopid IN ($allworkshopssql)");
+        delete_records_select('workshop_elements', "workshopid IN ($allworkshopssql)");
+        delete_records_select('workshop_grades', "workshopid IN ($allworkshopssql)");
+        delete_records_select('workshop_rubrics', "workshopid IN ($allworkshopssql)");
+        delete_records_select('workshop_stockcomments', "workshopid IN ($allworkshopssql)");
+        delete_records_select('workshop_submissions', "workshopid IN ($allworkshopssql)");
+
+
+    /// Delete moodledata
+        $basedir = $CFG->dataroot.'/'.$data->courseid.'/'.$CFG->moddata.'/workshop/';
+        remove_dir("$basedir");
+
+    /// Fill return info
+        $status[] = array('component'=>$componentstr, 'item'=>$typesstr, 'error'=>false);
+    }
+
+
+    return $status;
+
+}
+
 ?>