285 lines
9.5 KiB
C++
285 lines
9.5 KiB
C++
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#include "testingWidget.h"
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TestingWidget::TestingWidget(QWidget *pWidget)
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: QWidget(pWidget), m_currentComplexityName("everything"),
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m_currentTopicName("everything"), m_file("./QuestionsXML/questions.xml") {
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setupUi(dynamic_cast<QWidget *>(this));
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connect(m_pbConfirm, &QPushButton::clicked, this,
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&TestingWidget::slotClickedConfirm);
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connect(m_pbStart, &QPushButton::clicked, this,
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&TestingWidget::slotClickedStart);
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connect(m_pbStop, &QPushButton::clicked, this,
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&TestingWidget::slotResetTesting);
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connect(m_rbAllDifficulties, &QRadioButton::clicked, this,
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&TestingWidget::slotSwitchedComplexity);
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connect(m_rbEasy, &QRadioButton::clicked, this,
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&TestingWidget::slotSwitchedComplexity);
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connect(m_rbMedium, &QRadioButton::clicked, this,
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&TestingWidget::slotSwitchedComplexity);
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connect(m_rbHard, &QRadioButton::clicked, this,
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&TestingWidget::slotSwitchedComplexity);
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connect(m_rbAllTopics, &QRadioButton::clicked, this,
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&TestingWidget::slotSwitchedTopics);
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connect(m_rbDiscreteMathematics, &QRadioButton::clicked, this,
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&TestingWidget::slotSwitchedTopics);
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connect(m_rbHashFunction, &QRadioButton::clicked, this,
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&TestingWidget::slotSwitchedTopics);
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connect(m_rbHashTable, &QRadioButton::clicked, this,
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&TestingWidget::slotSwitchedTopics);
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connect(m_rbAlgorithm, &QRadioButton::clicked, this,
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&TestingWidget::slotSwitchedTopics);
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m_frmConfirm->hide();
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}
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inline void TestingWidget::hideCheckBoxes() {
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QCheckBox *currentCheckBox;
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for (unsigned i = 0; i < 9; ++i) {
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currentCheckBox = findChild<QCheckBox *>(QString("m_cbIndex%1").arg(i));
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currentCheckBox->hide();
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}
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}
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inline void TestingWidget::showCheckBoxes() {
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QCheckBox *currentCheckBox;
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for (unsigned i = 0, size = m_answers.size(); i < size; ++i) {
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currentCheckBox = findChild<QCheckBox *>(QString("m_cbIndex%1").arg(i));
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currentCheckBox->show();
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currentCheckBox->setText(m_answers[i].first);
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}
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}
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inline QString TestingWidget::getHTMLQuestion(QDomElement element) {
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QString currentQuestion;
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element = element.firstChildElement();
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do {
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switch (getTagsEnumFromQString(element.tagName())) {
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case TagXML::Caption: {
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currentQuestion.append(QString("<h3>%1</h3>").arg(element.text()));
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} break;
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case TagXML::Text: {
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currentQuestion.append(QString(R"(
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<p align="justify">
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<var>
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<font face="Times New Roman, Times, serif">
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%2
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</font>
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</var>
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</p>
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)")
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.arg(element.text()));
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} break;
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case TagXML::Answer: {
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m_answers.append(std::make_pair(
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element.text(), element.hasAttribute("type")
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? (element.attribute("type") == "correct")
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: false));
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} break;
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case TagXML::Question: {
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throw std::invalid_argument(
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"the question cannot be nested within the question");
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} break;
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case TagXML::Undefined: {
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throw std::invalid_argument("tag undefined");
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} break;
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}
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element = element.nextSiblingElement();
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} while (not element.isNull());
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return currentQuestion;
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}
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inline void TestingWidget::configureInput(const QString &value) {
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hideCheckBoxes();
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resetInput();
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if (value == "choice") {
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m_swInputData->setCurrentIndex(0);
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unsigned seed = std::chrono::system_clock::now().time_since_epoch().count();
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std::shuffle(m_answers.begin(), m_answers.end(),
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std::default_random_engine(seed));
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showCheckBoxes();
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} else if (value == "integer") {
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m_swInputData->setCurrentIndex(1);
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} else if (value == "floatingPoint") {
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m_swInputData->setCurrentIndex(2);
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} else {
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throw std::invalid_argument("the type of the input option is undefined");
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}
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}
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inline bool TestingWidget::showNextQuestion() {
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bool continueFlag = true;
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auto checkType = [](const QString &value) -> bool {
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return bool{value == "choice" || value == "integer" ||
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value == "floatingPoint"};
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};
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while (not m_currentQuestion.isNull() && continueFlag) {
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m_currentTypeName = m_currentQuestion.attribute("type");
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if ((m_currentTopicName == "everything" ||
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m_currentQuestion.attribute("category")
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.split('|')
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.contains(m_currentTopicName)) &&
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(m_currentComplexityName == "everything" ||
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m_currentComplexityName ==
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m_currentQuestion.attribute("complexity")) &&
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checkType(m_currentTypeName)) {
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m_answers.clear();
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m_testingTextBrowser->setHtml(getHTMLQuestion(m_currentQuestion));
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configureInput(m_currentTypeName);
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continueFlag = false;
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}
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m_currentQuestion = m_currentQuestion.nextSiblingElement("question");
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}
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return (not continueFlag);
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}
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inline void TestingWidget::setEnabledGUIStartTesting(bool flag) {
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m_gbTopics->setEnabled(flag);
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m_gbDifficulty->setEnabled(flag);
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m_pbStart->setEnabled(flag);
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m_pbStop->setDisabled(flag);
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m_frmConfirm->setVisible(not flag);
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}
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inline TestingWidget::TagXML
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TestingWidget::getTagsEnumFromQString(const QString &value) {
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TagXML result = {value == "question" ? TagXML::Question
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: value == "caption" ? TagXML::Caption
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: value == "text" ? TagXML::Text
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: value == "answer" ? TagXML::Answer
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: TagXML::Undefined};
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return result;
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}
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/*
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* Slots
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*/
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inline void TestingWidget::slotSwitchedTopics() {
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QString result = {m_rbAllTopics->isChecked() ? QString("everything")
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: m_rbDiscreteMathematics->isChecked()
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? QString("discreteMathematics")
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: m_rbHashFunction->isChecked() ? QString("hashFunction")
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: m_rbHashTable->isChecked() ? QString("hashTable")
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: m_rbAlgorithm->isChecked() ? QString("algorithm")
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: QString()};
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if (result.isNull()) {
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throw std::invalid_argument("topic undefined");
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}
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m_currentTopicName = result;
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}
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inline void TestingWidget::slotSwitchedComplexity() {
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QString result = {m_rbAllDifficulties->isChecked() ? QString("everything")
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: m_rbEasy->isChecked() ? QString("easy")
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: m_rbMedium->isChecked() ? QString("medium")
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: m_rbHard->isChecked() ? QString("hard")
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: QString()};
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if (result.isNull()) {
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throw std::invalid_argument("complexity undefined");
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}
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m_currentComplexityName = result;
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}
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inline bool TestingWidget::checkAnswer(const QString &value) {
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if (m_answers.size() <= 0) {
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return false;
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}
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bool result = true;
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if (value == "choice") {
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QCheckBox *currentCheckBox;
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for (unsigned i = 0, size = m_answers.size(); i < size; ++i) {
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currentCheckBox = findChild<QCheckBox *>(QString("m_cbIndex%1").arg(i));
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if (m_answers[i].second) {
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result &= currentCheckBox->isChecked();
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} else {
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result &= not currentCheckBox->isChecked();
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}
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}
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} else if (value == "integer" || value == "floatingPoint") {
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QString answer = {value == "integer" ? m_sbInteger->text()
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: m_sbDouble->text()};
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auto iter =
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std::find_if(m_answers.begin(), m_answers.end(),
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[answer](const std::pair<QString, bool> &value) -> bool {
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return (value.second == true && value.first == answer);
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});
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return (iter not_eq m_answers.end());
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} else {
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throw std::invalid_argument("input not defined");
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}
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return result;
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}
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inline void TestingWidget::slotClickedConfirm() {
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bool result = checkAnswer(m_currentTypeName);
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emit signalReplyGiven(result);
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if (not showNextQuestion()) {
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setEnabledGUIStartTesting(true);
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slotResetTesting();
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}
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}
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inline void TestingWidget::slotClickedStart() {
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bool isOpened = m_file.open(QIODevice::ReadOnly);
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emit signalFileOpened(isOpened);
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if (isOpened) {
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bool isSet = m_document.setContent(&m_file);
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m_file.close();
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emit signalContentIsSet(isSet);
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if (isSet) {
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QDomNode questions =
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m_document.firstChild().nextSiblingElement("questions");
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if (questions.isNull()) {
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return;
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}
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QDomNode firstQuestion =
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questions.firstChild().nextSiblingElement("question");
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if (firstQuestion.isNull()) {
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return;
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}
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m_currentQuestion = firstQuestion.toElement();
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if (showNextQuestion()) {
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setEnabledGUIStartTesting(false);
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emit signalStartOfTesting();
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}
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}
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}
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return;
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}
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inline void TestingWidget::resetInput() {
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QCheckBox *currentCheckBox;
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for (unsigned i = 0; i < 9; ++i) {
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currentCheckBox = findChild<QCheckBox *>(QString("m_cbIndex%1").arg(i));
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currentCheckBox->setChecked(false);
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}
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m_sbInteger->clear();
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m_sbDouble->clear();
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}
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inline void TestingWidget::slotResetTesting() {
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m_testingTextBrowser->clear();
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setEnabledGUIStartTesting(true);
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resetInput();
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emit signalEndOfTesting();
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}
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