Index: lams_common/src/java/org/lamsfoundation/lams/lesson/LearnerProgress.java
===================================================================
diff -u -r38a1b0822e267ca7ade5a78244b4b34525dd1b19 -r22371c199a1544417288023ae2cf4fb5fb4d26e7
--- lams_common/src/java/org/lamsfoundation/lams/lesson/LearnerProgress.java	(.../LearnerProgress.java)	(revision 38a1b0822e267ca7ade5a78244b4b34525dd1b19)
+++ lams_common/src/java/org/lamsfoundation/lams/lesson/LearnerProgress.java	(.../LearnerProgress.java)	(revision 22371c199a1544417288023ae2cf4fb5fb4d26e7)
@@ -201,6 +201,31 @@
             return ACTIVITY_NOT_ATTEMPTED;
         }
     }
+    
+    /**
+     * Sets the progress state for an activity.
+     * @param activity whose progress is to be set
+     * @param state one of <code>ACTIVITY_COMPLETED</code>, <code>ACTIVITY_ATTEMPTED</code> or <code>ACTIVITY_NOT_ATTEMPTED</code>.
+     */
+    public void setProgressState(Activity activity, byte state) {
+    	// remove activity from current set
+    	byte oldState = getProgressState(activity);
+    	if (oldState == LearnerProgress.ACTIVITY_NOT_ATTEMPTED);
+    	else if (oldState == LearnerProgress.ACTIVITY_ATTEMPTED) {
+    		this.attemptedActivities.remove(activity);
+    	}
+    	else if (oldState == LearnerProgress.ACTIVITY_COMPLETED) {
+    		this.completedActivities.remove(activity);
+    	}
+    	// add activity to new set
+    	if (state == LearnerProgress.ACTIVITY_NOT_ATTEMPTED);
+    	else if (state == LearnerProgress.ACTIVITY_ATTEMPTED) {
+    		this.attemptedActivities.add(activity);
+    	}
+    	else if (state == LearnerProgress.ACTIVITY_COMPLETED) {
+    		this.completedActivities.add(activity);
+    	}
+    }
 
     /**
      * Getter for property lessonComplete.