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);
}
public void loadCatalogInfos(DatabaseUtil dbUtil) {
// load catalog list menu
Cursor catalogCursor = null;
int answeredQuetions = 0;
// set catalog menus
for (Catalog catalog : exam.getCatalogs()) {
catalogCursor = dbUtil.fetchAnswer(catalog.getIndex());
answeredQuetions = 0;
while (catalogCursor.moveToNext()) {
Integer qid = catalogCursor.getInt(1);
String answers = catalogCursor.getString(3);
if (qid != null && answers != null && answers.length() > 0) {
answeredQuetions++;
}
}
List<Question> qList = catalog.getQuestions();
Integer totalQuestions = qList.size();
catalogInfos.add(
new CatalogInfo(
catalog.getIndex(), catalog.getDesc(), 1, totalQuestions, answeredQuetions));
catalogCursor.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();
}