C++ Question::setQuestion方法代码示例

bool Import::datamatrixToQuestions(){
    bool success = false;

    cout << "START READING DATA TO QUESTION OBJECTS" << endl;
// fills CSV Data from vector < vector <...> > datamatrix to questiondata objects.

    int m = dataMatrix[0].size();

    // check dimensions of datamatix
    if(m!=questionTypes.size()){


        cout << "ERROR: number of survey questions != number of questiontypes" << endl;

        QMessageBox msgBox;
        msgBox.setText("FEHLER: Der ausgewählte Ausstellungstyp passt nicht zur .CSV Datei.");
        msgBox.setInformativeText("Bitte richtigen Ausstellungstyp wählen.");
        msgBox.setDefaultButton(QMessageBox::Ok);
        int ret = msgBox.exec();

        success = false;
        return success;
    }

    int id=0;

    for(int i=0; i<m;++i){


        if(questionTypes[i].toInt()!=0){

            Question *tempQuestion = new Question;

            tempQuestion->setQuestiontype(questionTypes[i].toInt());
            tempQuestion->setQuestion(QString::fromStdString(dataMatrix[0][i]));
            tempQuestion->setSubquestion(QString::fromStdString(dataMatrix[1][i]));

            if(tempQuestion->getQuestionType()!=6)
                tempQuestion->setDataFromStdStringMatrix(dataMatrix,i);

            else
                tempQuestion->setTextAnswersFromStdStringMatrix(dataMatrix,i);

            if(tempQuestion->getQuestion()!="")
                ++id;


            tempQuestion->write_ID(id);      // a question and its subquestions share the same id

            questions.push_back(*tempQuestion);
            delete tempQuestion;
            }

        }

    success=true;
    return success;
}

void QuestionSetCubics::initQuestions( Question::List &questions )
{
  for( int b = 1; b <= 10; ++b ) {
    Question q;
    q.setQuestion( QString::number( b ) + " cube" );
    q.setAnswer( QString::number( b * b * b ) );
    questions.append( q );
  }
}

void EngineerExam::parseQuestions(QString filename) {
    QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE");
    db.setDatabaseName(filename);
    if (!db.open()) {
	qCritical() << trUtf8("Nie można otworzyć bazy danych!");
    }

    QSqlTableModel question;
    question.setTable("Question");
    question.select();

    QSqlTableModel answers;
    answers.setTable("Answer");
    answers.select();

    QStringList qsl;

    int i = 0;
    while (question.canFetchMore()) {
	question.fetchMore();
	for (; i < question.rowCount(); ++i) {
	    qsl.clear();

	    quint32 id = question.record(i).value("Id").toUInt();
	    QString text = question.record(i).value("Text").toString();
	    Question q;
	    q.setId(id);
	    q.setQuestion(text);

	    answers.setFilter(QString("`id_Question` = %1").arg(id));
	    QString a1 = answers.record(0).value("Text").toString();
	    QString a2 = answers.record(1).value("Text").toString();
	    QString a3 = answers.record(2).value("Text").toString();
	    qsl << a1 << a2 << a3;

	    bool correct1 = answers.record(0).value("IsTrue").toBool();
	    bool correct2 = answers.record(1).value("IsTrue").toBool();
	    bool correct3 = answers.record(2).value("IsTrue").toBool();

	    if (correct1) {
		q.setCorrectAnswer(0);
	    } else if (correct2) {
		q.setCorrectAnswer(1);
	    } else if (correct3) {
		q.setCorrectAnswer(2);
	    }
	    q.setAnswers(qsl);
	    tmpList.append(q);
	}
    }
}

void QuestionSetMultiplication::initQuestions( Question::List &questions )
{
  QValueList<int> rows = Prefs::multiplicationRows();
  QValueList<int>::ConstIterator it;
  for( it = rows.begin(); it != rows.end(); ++it ) {
    int a = *it;
    for( int b = 1; b <= 10; ++b ) {
      Question q;
      q.setQuestion( QString::number( b ) + " \xb7 " + QString::number( a ) );
      q.setAnswer( QString::number( a * b ) );
      questions.append( q );
    }
  }
}