//
String oldObjectives = (String) qtiState.get("OBJECTIVES");
String newObjectives = item.getObjectives();
String objectChange = null;
//
Question question = item.getQuestion();
boolean isFIB = question.getType() == Question.TYPE_FIB;
boolean isESSAY = question.getType() == Question.TYPE_ESSAY;
String oldHinttext = (String) qtiState.get("QUESTION.HINTTEXT");
String newHinttext = question.getHintText();
String hinttextChange = null;
//
String oldQuestion = (String) qtiState.get("QUESTION.MATERIAL.ASTEXT");
String newQuestion = question.getQuestion().renderAsText();
String questionChange = null;
// feedback
String feedbackChanges = "";
String oldFeedbackMastery = (String) qtiState.get("FEEDBACK.MASTERY");
String newFeedbackMastery = QTIEditHelper.getFeedbackMasteryText(item);
String oldFeedbackFail = (String) qtiState.get("FEEDBACK.FAIL");
String newFeedbackFail = QTIEditHelper.getFeedbackFailText(item);
Control control = (Control) QTIEditHelper.getControl(item);
Boolean oldHasFeedback = (Boolean) qtiState.get("FEEDBACK.ENABLED");
Boolean newHasFeedback = control != null ? new Boolean(control.getFeedback() == 1) : null;
//
List asTexts = (List) qtiState.get("QUESTION.RESPONSES.ASTEXT");
List feedbacks = (List) qtiState.get("QUESTION.RESPONSES.FEEDBACK");
String oldResp = null;
String newResp = null;
String oldFeedback = null;
String newFeedback = null;
String responsesChanges = "";
List responses = question.getResponses();
int i = 0;
boolean nothingToDo = false;
for (Iterator iter = responses.iterator(); iter.hasNext();) {
nothingToDo = false;
Response resp = (Response) iter.next();