public void resetQuestion() {
// set saved answer to choices
List<Choice> answerChoices = new ArrayList<Choice>();
for (Choice choice : question.getChoices()) {
if (answers.indexOf(choice.getLabel()) != -1) {
choice.setSelect(true);
} else {
choice.setSelect(false);
}
answerChoices.add(choice);
}
question.setChoices(answerChoices);
}
public void saveAnswer() {
DatabaseUtil dbUtil = new DatabaseUtil(mContext);
dbUtil.open();
List<Choice> choices = question.getChoices();
answers.setLength(0);
for (Choice choice : choices) {
if (choice.isSelect()) {
answers.append(choice.getLabel());
}
}
// save answers
if (answers.length() == 0) {
dbUtil.deleteAnswer(cId, qId);
} else {
dbUtil.saveAnswer(dbUtil, cId, qId, question.getQuestionid(), answers.toString());
}
dbUtil.close();
}
public void loadAnswer() {
DatabaseUtil dbUtil = new DatabaseUtil(mContext);
dbUtil.open();
Cursor cursor = dbUtil.fetchAnswer(cId, qId);
answers.setLength(0);
while (cursor.moveToNext()) {
answers.append(cursor.getString(3));
}
Log.i(LOG_TAG, "answers:" + answers.toString());
// load pending questions
pendQuestions.clear();
for (Catalog catalog : exam.getCatalogs()) {
List<Question> questions = catalog.getQuestions();
for (Question question : questions) {
Cursor cursor2 = dbUtil.fetchAnswer(catalog.getIndex(), question.getIndex());
if (cursor2.moveToNext()) {
continue;
}
cursor2.close();
pendQuestions.add(question);
}
}
dbUtil.close();
}
public void changeComponents() {
if (exam.getCatalogs().size() > 1) {
Catalog catalog = ExamParse.getCatalog(exam, cId);
catalogsTV.setText(
String.valueOf(cId)
+ ". "
+ catalog.getName()
+ "(Q"
+ String.valueOf(1)
+ " - "
+ "Q"
+ String.valueOf(ExamParse.getMaxQuestion(exam, cId))
+ ")");
} else {
// set catalogsTV invisible
}
// change question content
String questionHint =
"Q"
+ String.valueOf(question.getIndex())
+ " ("
+ mContext.getResources().getString(R.string.msg_question_score)
+ ":"
+ String.valueOf(question.getScore())
+ ")\n";
questionTV.setText(questionHint + question.getContent());
// change choices
if (choiceAdapter == null) {
choiceAdapter =
new ChoiceAdapter(
mContext, question.getChoices(), question.getType(), answers.toString());
listView.setAdapter(choiceAdapter);
} else {
choiceAdapter.refresh(question.getChoices());
}
Drawable firstImg = getResources().getDrawable(R.drawable.ic_first_question_64);
Drawable backImg = getResources().getDrawable(R.drawable.ic_back_64);
backArrow.setImageDrawable(qId == 1 ? firstImg : backImg);
String pendNumString =
mContext.getResources().getString(R.string.label_tv_waiting)
+ "("
+ Integer.valueOf(pendQuestions.size())
+ ")";
pendQueNumber.setText(pendNumString);
Drawable lastImg = getResources().getDrawable(R.drawable.ic_last_question_64);
Drawable nextImg = getResources().getDrawable(R.drawable.ic_next_64);
nextArrow.setImageDrawable(qId == ExamParse.getMaxQuestion(exam, cId) ? lastImg : nextImg);
}
