Index: questiontype.php
===================================================================
RCS file: /cvsroot/moodle/moodle/question/type/questiontype.php,v
retrieving revision 1.74
diff -u -r1.74 questiontype.php
--- questiontype.php	27 Sep 2007 07:41:58 -0000	1.74
+++ questiontype.php	6 Oct 2007 03:57:08 -0000
@@ -375,6 +375,24 @@
     }
 
     /**
+    * Move question to another category
+    *
+    * The default function set the question fiel parent to the new category id.
+    * Question types with complex structure could set other parameters to
+    * reflect the category change i.e. for multianswer qtype the subquestion question records
+    *
+    * 
+    * @param object $question    The question that is moved
+    * @param integer $tocategoryid The id of the new category 
+    */
+    function move_question_to_category($question, $tocategoryid){
+        if (!set_field('question', 'category', $tocategoryid, 'id', $question->id)) {
+            return false;   //         error('Could not update category field');
+        } 
+        return true;
+    }
+        
+    /**
     * Changes all states for the given attempts over to a new question
     *
     * This is used by the versioning code if the teacher requests that a question