void MainWindow::previewSvg(const QString &link) { if (!LQListWidget->currentIndex().isValid()) return; QuestionItem *item = current_test_questions.value(LQListWidget->currentItem()); if (item == NULL) return; int i_link = link.toInt(); if (i_link < 0 || i_link >= item->numSvgItems()) return; QSvgWidget *svg_widget = new QSvgWidget; svg_widget->setAttribute(Qt::WA_DeleteOnClose); svg_widget->setParent(this); #ifndef Q_OS_MAC svg_widget->setWindowFlags(Qt::Dialog | Qt::WindowMaximizeButtonHint | Qt::WindowStaysOnTopHint); #else svg_widget->setWindowFlags(Qt::Dialog | Qt::WindowMaximizeButtonHint | Qt::WindowStaysOnTopHint | Qt::WindowSystemMenuHint); #endif svg_widget->setWindowTitle(item->svgName(i_link)); QSize minimum_size = svg_widget->sizeHint(); minimum_size.scale(128, 128, Qt::KeepAspectRatioByExpanding); svg_widget->setMinimumSize(minimum_size); svg_widget->load(item->svg(i_link).toUtf8()); svg_widget->show(); }
void MainWindow::setCurrentQuestion() { if (LQListWidget->currentIndex().isValid()) { questionTextBrowser->clear(); answersView->setEnabled(true); QuestionItem *item = current_test_questions.value(LQListWidget->currentItem()); questionTextBrowser->setHtml(item->text()); answersView->setAnswers(item->answers(), item->answered(), item->selectionType(), item->answerOrder()); svgDisplayWidget->clear(); if (item->numSvgItems() > 0) { svgDisplayWidget->setVisible(true); //int h = 0; for (int i = 0; i < item->numSvgItems(); ++i) { QSvgWidget *svg_widget = new QSvgWidget; QSize minimum_size = svg_widget->sizeHint(); minimum_size.scale(128, 128, Qt::KeepAspectRatioByExpanding); svg_widget->setMinimumSize(minimum_size); svg_widget->load(item->svg(i).toUtf8()); /*if (svg_widget->renderer()->defaultSize().height() + 40 > h) { h = svg_widget->renderer()->defaultSize().height() + 40; }*/ svgDisplayWidget->addWidget(svg_widget, item->svgName(i), true); } //if (h < 168) { h = 168; } qApp->processEvents(); questionTextSvgSplitter->moveSplitter(questionTextSvgSplitter->height()-svgDisplayWidget->layoutHeightForWidth(questionTextSvgSplitter->width())); } else { svgDisplayWidget->setVisible(false); } if (LQListWidget->currentRow() >= (LQListWidget->count()-1)) { btnNext->setEnabled(false); } else { btnNext->setEnabled(true); } if (LQListWidget->currentRow() <= 0) { btnLast->setEnabled(false); } else { btnLast->setEnabled(true); } } else { questionTextBrowser->clear(); answersView->clear(); answersView->setEnabled(false); svgDisplayWidget->clear(); btnNext->setEnabled(false); btnLast->setEnabled(false); } }
void MainWindow::setQuestionAnswered(Question::Answers selected_answers) { if (!LQListWidget->currentIndex().isValid()) { return; } QuestionItem * item = current_test_questions.value(LQListWidget->currentItem()); item->setAnswered(selected_answers); if (selected_answers == Question::None) { LQListWidget->currentItem()->setBackground(QBrush::QBrush(QColor::QColor(255, 255, 255))); LQListWidget->currentItem()->setForeground(QBrush::QBrush(QColor::QColor(0, 0, 0))); } else { LQListWidget->currentItem()->setBackground(QBrush::QBrush(QColor::QColor(197, 255, 120))); LQListWidget->currentItem()->setForeground(QBrush::QBrush(QColor::QColor(0, 0, 0))); int progress = 0; for (int i = 0; i < LQListWidget->count(); ++i) { if (current_test_questions.value(LQListWidget->item(i))->answered() != Question::None) { progress++; } } progressBar->setValue(progress); } }
void MainWindow::readResults(QString input) { QTextStream in(&input); QString buffer; QuestionItem * item; double maxscore = 0.0; do { if (in.readLine() != "[Q_NAME]") { return; } buffer = in.readLine(); item = NULL; for (int i = 0; i < LQListWidget->count(); ++i) { if (current_test_questions.value(LQListWidget->item(i))->name() == buffer) { item = current_test_questions.value(LQListWidget->item(i)); break; } } if (item == NULL) { in.readLine(); in.readLine(); continue; } if (in.readLine() != "[Q_C_ANS]") { return; } if (current_db_multiple_ans_support) { item->setCorrectAnswers((Question::Answer)in.readLine().toInt()); } else { item->setCorrectAnswers(Question::convertOldAnsNumber(in.readLine().toInt())); } current_test_score += item->score(); maxscore += item->maximumScore(); if (current_db_itdb1_4_support) { if (in.readLine() != "[Q_EXPL]") { return; } item->setExplanation(in.readLine()); } } while (!in.atEnd()); scoreLabel->setText(tr("%1 out of %2 (%3)").arg(current_test_score).arg(maxscore).arg(current_test_passmark.check(current_test_questions.values()) ? tr("PASSED") : tr("FAILED"))); loadResults(resultsTableWidget); }
int MainWindow::qnumForCategory(int category, bool use_groups) { QuestionItem *qi; int qnum = 0; QSet<QString> groups; for (int i = 0; i < LQListWidget->count(); ++i) { qi = current_db_questions.value(LQListWidget->item(i)); if (qi->category() == category) { if (use_groups) { if (qi->group().isEmpty()) { qnum++; } else { groups << qi->group(); } } else { qnum++; } } } qnum += groups.count(); return qnum; }
void MainWindow::checkForUncategorisedQuestions() { int numcategories = 0; QuestionItem *item; for (int i = 0; i < current_db_categories.size(); ++i) { if (current_db_categories_enabled[i]) { numcategories++; } } if (numcategories > 0) { for (int i = 0; i < LQListWidget->count(); ++i) { item = current_db_questions.value(LQListWidget->item(i)); if (item->category() == -1) { item->setCategory(SQCategoryComboBox->itemData(0).toInt()); setQuestionItemColour(LQListWidget->item(i), item->category()); setDatabaseModified(); if (LQListWidget->currentRow() == i) { SQCategoryComboBox->setCurrentIndex(current_db_categoryentries.value(item->category())); LQCategoryComboBox->setCurrentIndex(current_db_categoryentries.value(item->category())); } } } } }
void Client::loadResults(QString input) { QTextStream in(&input); QString buffer; QuestionItem *item; Question::Answer ans; c_score = 0; c_maxscore = 0; do { item = NULL; if (in.readLine() != "[Q_NAME]") return; buffer = in.readLine(); QMapIterator<QListWidgetItem *, QuestionItem *> i(c_parent->current_db_questions); while (i.hasNext()) { i.next(); if (i.value()->name() == buffer) { item = i.value(); break; } } if (item == NULL) { in.readLine(); in.readLine(); continue; } if (in.readLine() != "[Q_ANSWERED]") return; ans = (Question::Answer)in.readLine().toInt(); QuestionAnswer qans(item->correctAnswer(), ans, item->numAnswers(), item->category(), item->difficulty(), item->selectionType(), item->explanation()); c_results->insert(item->name(), qans); c_score += qans.score(c_parent->current_db_scoringsystem); c_maxscore += qans.maximumScore(c_parent->current_db_scoringsystem); if (c_score > 0.0) { item->addCorrectAns(); } else { item->addIncorrectAns(); } } while (!in.atEnd()); c_passed = c_parent->current_db_passmark.check(c_results, &c_parent->current_db_questions, c_parent->current_db_scoringsystem); c_ready = true; emit resultsLoaded(this); }
void MainWindow::exportCSV() { QString file_name = QFileDialog::getSaveFileName(this, tr("Export as CSV"), QString("%1.csv").arg(currentDatabaseName()), tr("CSV files (*.csv)")); if (file_name.isEmpty()) return; QFile file(file_name); if (!file.open(QFile::WriteOnly | QFile::Text)) { QMessageBox::critical(this, tr("Export as CSV"), tr("Cannot write file %1:\n%2.").arg(file_name).arg(file.errorString())); this->setEnabled(true); return; } QTextStream out(&file); out.setCodec("UTF-8"); const QString separator(','); QTextDocument doc; for (int i = 0; i < LQListWidget->count(); ++i) { QuestionItem *item = current_db_questions.value(LQListWidget->item(i)); out << quoteForCSV(item->name()) << separator; out << QString::number(item->category()) << separator; out << quoteForCSV(item->group()) << separator; doc.setHtml(item->text()); out << quoteForCSV(doc.toPlainText()) << separator; out << quoteForCSV(item->explanation()) << separator; out << QString::number(item->correctAnswers()); foreach (const QString &answer, item->answers()) out << separator << quoteForCSV(answer); out << endl; } file.close(); }
void MainWindow::openDB(const QString &openDBName, bool useCP1250) { if (openDBName.isNull()) return; this->setEnabled(false); qApp->processEvents(); try { QFile file(openDBName); if (!file.open(QFile::ReadOnly | QFile::Text)) { QMessageBox::critical(this, tr("Open database"), tr("Cannot read file %1:\n%2.").arg(openDBName).arg(file.errorString())); this->setEnabled(true); return; } setProgress(3); // PROGRESS >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> QTextStream rfile(&file); if (useCP1250) { rfile.setCodec("CP 1250"); } else { rfile.setCodec("UTF-8"); } QString db_buffer; QStringList bufferlist; // --------------------------------------------------------------------- if (rfile.readLine() != "[ITEST_VERSION]") { throw xInvalidDBFile(0); } rfile.readLine(); if (rfile.readLine() != "[ITEST_DB_VERSION]") { throw xInvalidDBFile(1); } double db_version = rfile.readLine().toDouble(); if (db_version > F_ITDB_VERSION) { QMessageBox::critical(this, tr("iTest version notice"), tr("You need a newer version of iTest to open this database file.")); this->setEnabled(true); return; } if (!useCP1250) { if (db_version == 1.0) { openDB(openDBName, true); return; } } if (rfile.readLine() != "[DB_NAME]") { throw xInvalidDBFile(10); } // Database name QString db_name = rfile.readLine(); if (rfile.readLine() != "[DB_DATE]") { throw xInvalidDBFile(12); } // Database date QString db_date = rfile.readLine(); if (rfile.readLine() != "[DB_DATE_ULSD]") { throw xInvalidDBFile(14); } // Use last save date rfile.readLine(); if (rfile.readLine() != "[DB_COMMENTS]") { throw xInvalidDBFile(16); } // Database comments QString db_comments = rfile.readLine(); if (rfile.readLine() != "[DB_QNUM]") { throw xInvalidDBFile(18); } // Question number int db_qnum = rfile.readLine().toInt(); if (rfile.readLine() != "[DB_SNUM]") { throw xInvalidDBFile(20); } // Number of saved sessions int db_snum = rfile.readLine().toInt(); int db_cnum = 0; if (db_version >= 1.35) { if (rfile.readLine() != "[DB_CNUM]") { throw xInvalidDBFile(22); } // Number of classes db_cnum = rfile.readLine().toInt(); } if (rfile.readLine() != "[DB_FLAGS]") { throw xInvalidDBFile(50); } setProgress(6); // PROGRESS >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> // Categories enabled db_buffer = rfile.readLine(); QVector<bool> db_categories_enabled(db_buffer.length()); for (int i = 0; i < db_categories_enabled.size(); ++i) { if (db_buffer.at(i) == '+') { db_categories_enabled[i] = true; } else if (db_buffer.at(i) == '-') { db_categories_enabled[i] = false; } else { throw xInvalidDBFile(52); } } // Categories QVector<QString> db_categories(db_buffer.length()); for (int i = 0; i < db_categories.size(); ++i) { if (rfile.readLine() != QString("[DB_F%1]").arg(i)) { throw xInvalidDBFile(54); } db_categories[i] = rfile.readLine(); } // End of categories if (rfile.readLine() != "[DB_FLAGS_END]") { throw xInvalidDBFile(59); } setProgress(10); // PROGRESS >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> int count = db_qnum + db_snum; // Questions QuestionItem *item; QStringList answers; for (int i = 0; i < db_qnum; ++i) { answers.clear(); // Question name if (rfile.readLine() != "[Q_NAME]") { throw xInvalidDBFile(100); } item = new QuestionItem (rfile.readLine()); // Category if (rfile.readLine() != "[Q_FLAG]") { throw xInvalidDBFile(102); } item->setCategory(rfile.readLine().toInt()); if (db_version >= 1.2) { // Question group if (rfile.readLine() != "[Q_GRP]") { throw xInvalidDBFile(104); } item->setGroup(rfile.readLine()); } // Difficulty if (db_version >= 1.2) { if (rfile.readLine() != "[Q_DIF]") { throw xInvalidDBFile(106); } } else { if (rfile.readLine() != "[Q_DIFFICULTY]") { throw xInvalidDBFile(108); } } item->setDifficulty(rfile.readLine().toInt()); // Question text if (rfile.readLine() != "[Q_TEXT]") { throw xInvalidDBFile(110); } item->setText(rfile.readLine()); if (db_version >= 1.35) { // Answers if (rfile.readLine() != "[Q_ANS]") { throw xInvalidDBFile(112); } item->setSelectionType((Question::SelectionType)rfile.readLine().toInt()); item->setCorrectAnswers((Question::Answer)rfile.readLine().toInt()); int numanswers = rfile.readLine().toInt(); for (int a = 0; a < numanswers; ++a) { answers << rfile.readLine(); } // Explanation if (rfile.readLine() != "[Q_EXPL]") { throw xInvalidDBFile(114); } item->setExplanation(rfile.readLine()); } else { // Answer A if (rfile.readLine() != "[Q_ANSA]") { throw xInvalidDBFile(116); } answers << rfile.readLine(); if (db_version < 1.2) { if (rfile.readLine() != "[Q_ANSA_C]") { throw xInvalidDBFile(118); } } item->setAnswerCorrect(Question::A, rfile.readLine() == "true"); // Answer B if (rfile.readLine() != "[Q_ANSB]") { throw xInvalidDBFile(120); } answers << rfile.readLine(); if (db_version < 1.2) { if (rfile.readLine() != "[Q_ANSB_C]") { throw xInvalidDBFile(122); } } item->setAnswerCorrect(Question::B, rfile.readLine() == "true"); // Answer C if (rfile.readLine() != "[Q_ANSC]") { throw xInvalidDBFile(124); } answers << rfile.readLine(); if (db_version < 1.2) { if (rfile.readLine() != "[Q_ANSC_C]") { throw xInvalidDBFile(126); } } item->setAnswerCorrect(Question::C, rfile.readLine() == "true"); // Answer D if (rfile.readLine() != "[Q_ANSD]") { throw xInvalidDBFile(128); } answers << rfile.readLine(); if (db_version < 1.2) { if (rfile.readLine() != "[Q_ANSD_C]") { throw xInvalidDBFile(130); } } item->setAnswerCorrect(Question::D, rfile.readLine() == "true"); } // Statistics if (db_version < 1.2) { if (rfile.readLine() != "[Q_ICNT]") { throw xInvalidDBFile(132); } } else { if (rfile.readLine() != "[Q_ICCNT]") { throw xInvalidDBFile(134); } } item->setIncorrectAnsCount(rfile.readLine().toUInt()); if (db_version < 1.2) { if (rfile.readLine() != "[Q_CCNT]") { throw xInvalidDBFile(136); } } item->setCorrectAnsCount(rfile.readLine().toUInt()); // Hidden if (db_version >= 1.2) { if (rfile.readLine() != "[Q_HID]") { throw xInvalidDBFile(138); } item->setHidden(rfile.readLine() == "true"); } if (db_version > 1.25) { // SVG if (rfile.readLine() != "[Q_SVG]") { throw xInvalidDBFile(140); } int numsvgitems = rfile.readLine().toInt(); for (int g = 0; g < numsvgitems; ++g) { db_buffer = rfile.readLine(); item->addSvgItem(new SvgItem(db_buffer, rfile.readLine())); } } // End if (db_version < 1.25) { if (rfile.readLine() != "[Q_END]") { throw xInvalidDBFile(199); } } // Add map entry item->setAnswers(answers); QListWidgetItem *q_item = new QListWidgetItem (item->group().isEmpty() ? item->name() : QString("[%1] %2").arg(item->group()).arg(item->name())); LQListWidget->addItem(q_item); current_db_questions.insert(q_item, item); setQuestionItemIcon(q_item, item->difficulty()); setQuestionItemColour(q_item, item->category()); hideQuestion(q_item, item); setProgress((85/(i+1)*count)+10); // PROGRESS >>>>>>>>>>>>>>>>>>>>>> } // Saved sessions int ans_category = -1; int ans_dif = 0; Question::Answer c_ans; Question::Answer ans; Question::SelectionType ans_selectiontype = Question::SingleSelection; for (int i = 0; i < db_snum; ++i) { if (rfile.atEnd()) break; if (rfile.readLine() != "[SESSION]") continue; Session *session = new Session; session->setName(rfile.readLine()); session->setDateTimeFromString(rfile.readLine()); if (db_version >= 1.2) { if (rfile.readLine() != "[PASSMARK]") { throw xInvalidDBFile(202); } PassMark pm(rfile.readLine().toInt()); int pm_count = rfile.readLine().toInt(); int pm_c, pm_v; for (int i = 0; i < pm_count; ++i) { pm_c = rfile.readLine().toInt(); pm_v = rfile.readLine().toInt(); pm.addCondition(pm_c, pm_v, pm_v); } session->setPassMark(pm); } else { session->setPassMark(PassMark(rfile.readLine().toInt())); } ScoringSystem sys; if (db_version >= 1.35) { db_buffer = rfile.readLine(); db_buffer.append("\n"); db_buffer.append(rfile.readLine()); db_buffer.append("\n"); db_buffer.append(rfile.readLine()); sys.loadData(db_buffer); } int s_snum = rfile.readLine().toInt(); int s_lenum = rfile.readLine().toInt(); for (int le = 0; le < s_lenum; ++le) { bufferlist.clear(); bufferlist = rfile.readLine().split(';'); if (bufferlist.count() == 6) { session->addLogEntry(bufferlist.at(0).toInt(), bufferlist.at(1).toInt(), bufferlist.at(2).toInt(), bufferlist.at(3).toInt(), bufferlist.at(4).toInt(), bufferlist.at(5).toInt(), rfile.readLine()); } else { session->addLogEntry(255, 255, 255, 0, 0, 0, rfile.readLine()); } } for (int s = 0; s < s_snum; ++s) { if (rfile.atEnd()) break; if (rfile.readLine() != "[STUDENT]") continue; Student *student = new Student(rfile.readLine()); student->setReady(rfile.readLine() == "true"); if (db_version >= 1.2) { student->setPassed(rfile.readLine() == "true"); } student->setNumber(rfile.readLine().toInt()); if (db_version < 1.35) { rfile.readLine(); // SCORE } int numresults = rfile.readLine().toInt(); QMap<QString, QuestionAnswer> *results = new QMap<QString, QuestionAnswer>; for (int a = 0; a < numresults; ++a) { db_buffer = rfile.readLine(); if (db_version >= 1.2) { ans_category = rfile.readLine().toInt(); } QuestionItem *item = NULL; QMapIterator<QListWidgetItem *, QuestionItem *> q(current_db_questions); while (q.hasNext()) { q.next(); if (q.value()->name() == db_buffer) { item = q.value(); break; } } if (db_version >= 1.35) { ans_dif = rfile.readLine().toInt(); ans_selectiontype = (Question::SelectionType)rfile.readLine().toInt(); } else { if (item == NULL) { if (db_version < 1.2) { ans_category = -1; } if (db_version < 1.35) { ans_dif = 0; ans_selectiontype = Question::SingleSelection; } } else { if (db_version < 1.2) { ans_category = item->category(); } if (db_version < 1.35) { ans_dif = item->difficulty(); ans_selectiontype = item->selectionType(); } } } if (db_version < 1.27) { ans = Question::convertOldAnsNumber(rfile.readLine().toInt()); c_ans = Question::convertOldAnsNumber(rfile.readLine().toInt()); } else { ans = (Question::Answer)rfile.readLine().toInt(); c_ans = (Question::Answer)rfile.readLine().toInt(); } QuestionAnswer qans(c_ans, ans, item ? item->numAnswers() : 9, ans_category, ans_dif, ans_selectiontype); results->insert(db_buffer, qans); } student->setResults(results); student->updateScore(sys); if (db_version < 1.2) { student->setPassed(session->passMark().check(student->results(), ¤t_db_questions, sys)); } session->addStudent(student); } session->setScoringSystem(sys); current_db_sessions.insert(session->dateTime(), session); QListWidgetItem *item = new QListWidgetItem (QString("%1 - %2").arg(session->dateTimeToString()).arg(session->name())); SVLSListWidget->insertItem(0, item); item->setData(Qt::UserRole, session->dateTime()); setProgress((85/(db_qnum+i+1)*count)+10); // PROGRESS >>>>>>>>>>>>>> } // Classes for (int i = 0; i < db_cnum; ++i) { if (rfile.atEnd()) break; if (rfile.readLine() != "[CLASS]") continue; Class *cl = new Class(rfile.readLine()); bufferlist = rfile.readLine().split("-", QString::SkipEmptyParts); cl->setFirstYear(bufferlist.at(0).toInt()); cl->setLastYear(bufferlist.at(1).toInt()); QStringList cl_sessions = rfile.readLine().split(";", QString::SkipEmptyParts); for (int s = 0; s < cl_sessions.count(); ++s) { cl->addSession(cl_sessions.at(s)); } int mnum = rfile.readLine().toInt(); for (int m = 0; m < mnum; ++m) { if (rfile.readLine() != "[MEM]") continue; ClassMember *mem = new ClassMember(rfile.readLine()); int msnum = rfile.readLine().toInt(); for (int ms = 0; ms < msnum; ++ms) { db_buffer = rfile.readLine(); mem->addSession(db_buffer, rfile.readLine().toInt()); } cl->addMember(mem); } QListWidgetItem *cl_item = new QListWidgetItem(QString("%1-%2: %3").arg(cl->firstYear()).arg(cl->lastYear()).arg(cl->name()), CLLCListWidget); current_db_classes.insert(cl_item, cl); } ECTextEdit->setHtml( db_comments ); // Set categories current_db_categories_enabled = db_categories_enabled; current_db_categories = db_categories; setProgress(97); // PROGRESS >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> // Apply categories setCategories(); loadCategories(); setProgress(98); // PROGRESS >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> // Enable All setAllEnabled(true); setProgress(99); // PROGRESS >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> // Save values current_db_file = openDBName; current_db_comments = db_comments; current_db_open = true; #ifdef Q_OS_MAC this->setWindowTitle(QString("%1[*]").arg(currentDatabaseName())); #else this->setWindowTitle(QString("%1[*] - iTestServer").arg(currentDatabaseName())); #endif this->setWindowModified(false); statusBar()->showMessage(tr("Database open"), 10000); setProgress(100); setProgress(-1); // PROGRESS >>>>>>>>>>>>>>>>>>>>>>>>> actionEdit_questions->setChecked(true); mainStackedWidget->setCurrentIndex(1); // --------------------------------------------------------------------- this->setEnabled(true); } catch (xInvalidDBFile e) { errorInvalidDBFile(tr("Open database"), openDBName, e.error()); } catch (...) { QMessageBox::critical(this, tr("iTestServer"), tr("Error opening database.")); clearAll(); setAllEnabled(false); current_db_open = false; this->setWindowTitle(tr("iTestServer")); this->setWindowModified(false); setProgress(-1); mainStackedWidget->setCurrentIndex(0); this->setEnabled(true); } }