QDialog * MainWindow::createAddSessionDialogue(const QString & title, MTListWidget * lw)
{
QDialog * d = new QDialog(this);
#ifdef Q_OS_MAC
d->setWindowTitle(QString("%1 - %2").arg(currentDatabaseName()).arg(title));
#else
d->setWindowTitle(QString("%1 - %2 - iTest").arg(currentDatabaseName()).arg(title));
#endif
d->setMinimumSize(QSize(300, 100));
QVBoxLayout * vl = new QVBoxLayout(d);
vl->setMargin(6); vl->setSpacing(6);
QHBoxLayout * hl = new QHBoxLayout(d);
hl->setMargin(0); hl->setSpacing(6);
QLabel * lbl = new QLabel(tr("Search:"), d);
ExtendedLineEdit * sle = new ExtendedLineEdit(d);
hl->addWidget(lbl);
hl->addWidget(sle);
vl->addLayout(hl);
if (lw == NULL) { lw = new MTListWidget(d); } else { lw->setParent(d); }
QObject::connect(lw, SIGNAL(itemDoubleClicked(QListWidgetItem *)), d, SLOT(accept()));
QObject::connect(sle, SIGNAL(textChanged(QLineEdit *, const QString &)), lw, SLOT(filterItems(QLineEdit *, const QString &)));
vl->addWidget(lw);
QDialogButtonBox * bb = new QDialogButtonBox(d);
bb->setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
QObject::connect(bb, SIGNAL(accepted()), d, SLOT(accept()));
QObject::connect(bb, SIGNAL(rejected()), d, SLOT(reject()));
vl->addWidget(bb);
return d;
}
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::overallStatistics()
{
QuestionItem *q_item;
QTableWidgetItem *tw_item;
QWidget *stats_widget = new QWidget(this, Qt::Dialog /*| Qt::WindowMaximizeButtonHint*/);
stats_widget->setWindowModality(Qt::WindowModal);
stats_widget->setAttribute(Qt::WA_DeleteOnClose);
#ifdef Q_OS_MAC
stats_widget->setWindowTitle(tr("%1 - Overall statistics").arg(currentDatabaseName()));
#else
stats_widget->setWindowTitle(tr("%1 - Overall statistics - iTest").arg(currentDatabaseName()));
#endif
stats_widget->setMinimumSize(QSize(300, 200));
QGridLayout *stats_glayout = new QGridLayout(stats_widget);
QLabel *stats_label = new QLabel(stats_widget);
stats_glayout->addWidget(stats_label, 0, 0);
QHBoxLayout *stats_hlayout_search = new QHBoxLayout(stats_widget);
QLabel *stats_label_search = new QLabel(stats_widget);
stats_label_search->setText(tr("Search:"));
stats_hlayout_search->addWidget(stats_label_search);
ExtendedLineEdit *stats_search = new ExtendedLineEdit(stats_widget);
stats_hlayout_search->addWidget(stats_search);
stats_glayout->addLayout(stats_hlayout_search, 1, 0);
stats_tw = new MTTableWidget(stats_widget);
QObject::connect(stats_search, SIGNAL(textChanged(QLineEdit *, const QString &)), stats_tw, SLOT(filterItems(QLineEdit *, const QString &)));
stats_glayout->addWidget(stats_tw, 2, 0);
QHBoxLayout *stats_hlayout = new QHBoxLayout(stats_widget);
stats_hlayout->setMargin(0); stats_hlayout->setSpacing(6);
stats_hlayout->addStretch();
stats_btn_adjustall = new QPushButton (tr("Adjust all"), stats_widget);
QObject::connect(stats_btn_adjustall, SIGNAL(released()), this, SLOT(statsAdjustAll()));
stats_btn_adjustall->setEnabled(false);
stats_hlayout->addWidget(stats_btn_adjustall);
QPushButton *stats_btn_close = new QPushButton (tr("Close"), stats_widget);
QObject::connect(stats_btn_close, SIGNAL(released()), stats_widget, SLOT(close()));
QObject::connect(stats_widget, SIGNAL(destroyed()), this, SLOT(statsWidgetClosed()));
stats_hlayout->addWidget(stats_btn_close);
stats_glayout->addLayout(stats_hlayout, 3, 0);
stats_glayout->setMargin(6); stats_glayout->setSpacing(6);
btngrpStatsAdjust = new QButtonGroup(stats_widget);
QObject::connect(btngrpStatsAdjust, SIGNAL(buttonReleased(QAbstractButton *)), this, SLOT(statsAdjust(QAbstractButton *)));
int rows = 0;
int row = 0;
for (int i = 0; i < LQListWidget->count(); ++i) {
if (current_db_questions.value(LQListWidget->item(i))->recommendedDifficulty() != -1) {
rows++;
}
}
stats_label->setText(tr("<b>%1 questions with statistics found</b>").arg(rows));
if (rows == 0) {
stats_widget->show();
return;
}
stats_tw->setRowCount(rows);
stats_tw->setColumnCount(6);
tw_item = new QTableWidgetItem(tr("Question name"));
stats_tw->setHorizontalHeaderItem(0, tw_item);
tw_item = new QTableWidgetItem(tr("Difficulty"));
stats_tw->setHorizontalHeaderItem(1, tw_item);
tw_item = new QTableWidgetItem(tr("Calculated difficulty"));
stats_tw->setHorizontalHeaderItem(2, tw_item);
tw_item = new QTableWidgetItem(tr("Number of correct answers"));
stats_tw->setHorizontalHeaderItem(3, tw_item);
tw_item = new QTableWidgetItem(tr("Number of incorrect answers"));
stats_tw->setHorizontalHeaderItem(4, tw_item);
tw_item = new QTableWidgetItem(tr("Adjust difficulty"));
stats_tw->setHorizontalHeaderItem(5, tw_item);
stats_tw->verticalHeader()->hide();
QFont font; font.setBold(true);
for (int i = 0; i < LQListWidget->count(); ++i) {
q_item = current_db_questions.value(LQListWidget->item(i));
if (q_item->recommendedDifficulty() == -1)
continue;
tw_item = new QTableWidgetItem(q_item->group().isEmpty() ? q_item->name() : QString("[%1] %2").arg(q_item->group()).arg(q_item->name()));
tw_item->setBackground(QBrush(backgroundColourForCategory(q_item->category())));
tw_item->setForeground(QBrush(foregroundColourForCategory(q_item->category())));
tw_item->setFont(font);
stats_tw->setItem(row, 0, tw_item);
tw_item = new QTableWidgetItem;
switch (q_item->difficulty()) {
case -1: tw_item->setText(tr("Unknown")); break;
case 0: tw_item->setText(tr("Easy"));
tw_item->setBackground(QBrush(QColor(197, 255, 120)));
tw_item->setForeground(QBrush(QColor(0, 0, 0)));
break;
case 1: tw_item->setText(tr("Medium"));
tw_item->setBackground(QBrush(QColor(255, 251, 0)));
tw_item->setForeground(QBrush(QColor(0, 0, 0)));
break;
case 2: tw_item->setText(tr("Difficult"));
tw_item->setBackground(QBrush(QColor(204, 109, 0)));
tw_item->setForeground(QBrush(QColor(0, 0, 0)));
break;
default: tw_item->setText(tr("Unknown")); break;
}
stats_tw->setItem(row, 1, tw_item);
tw_item = new QTableWidgetItem;
switch (q_item->recommendedDifficulty()) {
case -1: tw_item->setText(tr("Unknown")); break;
case 0: tw_item->setText(tr("Easy"));
tw_item->setBackground(QBrush(QColor(197, 255, 120)));
tw_item->setForeground(QBrush(QColor(0, 0, 0)));
break;
case 1: tw_item->setText(tr("Medium"));
tw_item->setBackground(QBrush(QColor(255, 251, 0)));
tw_item->setForeground(QBrush(QColor(0, 0, 0)));
break;
case 2: tw_item->setText(tr("Difficult"));
tw_item->setBackground(QBrush(QColor(204, 109, 0)));
tw_item->setForeground(QBrush(QColor(0, 0, 0)));
break;
default: tw_item->setText(tr("Unknown")); break;
}
stats_tw->setItem(row, 2, tw_item);
tw_item = new QTableWidgetItem(QString::number(q_item->correctAnsCount()));
tw_item->setFont(font); tw_item->setForeground(QBrush(QColor(92, 163, 0)));
stats_tw->setItem(row, 3, tw_item);
tw_item = new QTableWidgetItem(QString::number(q_item->incorrectAnsCount()));
tw_item->setFont(font); tw_item->setForeground(QBrush(QColor(204, 109, 0)));
stats_tw->setItem(row, 4, tw_item);
tw_item = new QTableWidgetItem;
QPushButton *stats_btn_adjust = new QPushButton(tr("Adjust difficulty"), stats_tw);
stats_tw->setCellWidget(row, 5, stats_btn_adjust);
stats_btn_adjust->setEnabled(false);
stats_qmap.insert(stats_btn_adjust, q_item);
stats_twmap.insert(stats_btn_adjust, row);
stats_lwmap.insert(stats_btn_adjust, i);
btngrpStatsAdjust->addButton(stats_btn_adjust);
if (q_item->difficulty() != q_item->recommendedDifficulty()) {
stats_btn_adjustall->setEnabled(true);
stats_btn_adjust->setEnabled(true);
}
row++;
}
stats_tw->resizeColumnsToContents(); stats_tw->resizeRowsToContents();
stats_widget->resize(stats_tw->columnWidth(0) + stats_tw->columnWidth(1) + stats_tw->columnWidth(2) + stats_tw->columnWidth(3) + stats_tw->columnWidth(4) + stats_tw->columnWidth(5) + 40, 400);
stats_widget->show();
}
void MainWindow::newDB()
{
this->setEnabled(false);
// Save changes before proceeding?
bool cancelled = saveChangesBeforeProceeding(tr("New database"), true);
if (cancelled) {
this->setEnabled(true);
return;
}
// Creating database -------------------------------------------------------
bool ok;
QString db_name = QInputDialog::getText(this, tr("New database"), tr("Database name:"), QLineEdit::Normal, tr("Untitled database"), &ok);
QString saveDBName;
if (!ok) {
this->setEnabled(true);
return;
}
if (!db_name.isEmpty()) {
saveDBName = QFileDialog::getSaveFileName(this, tr("Create database file"), tr("%1.itdb").arg(db_name), tr("iTest databases (*.itdb)"));
} else {
saveDBName = QFileDialog::getSaveFileName(this, tr("Create database file"), tr("untitled.itdb"), tr("iTest databases (*.itdb)"));
}
if (saveDBName.isNull() || saveDBName.isEmpty()) {
this->setEnabled(true);
return;
}
QFile file(saveDBName);
if (!file.open(QFile::WriteOnly | QFile::Text)) {
QMessageBox::critical(this, tr("Create database file"), tr("Cannot write file %1:\n%2.").arg(saveDBName).arg(file.errorString()));
this->setWindowTitle(tr("iTestServer"));
this->setEnabled(true); return;
}
bool itdb1_3 = saveDBName.endsWith(".it13.itdb");
clearAll();
setProgress(10); // PROGRESS >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
QTextStream sfile(&file);
sfile.setCodec("UTF-8");
sfile << "[ITEST_VERSION]\n" << F_ITEST_VERSION << endl;
sfile << "[ITEST_DB_VERSION]\n" << (itdb1_3 ? 1.3 : F_ITDB_VERSION) << endl;
sfile << "[DB_NAME]\n" << db_name << endl;
sfile << "[DB_DATE]\n" << endl;
sfile << "[DB_DATE_ULSD]\ntrue" << endl;
sfile << "[DB_COMMENTS]\n" << endl;
sfile << "[DB_QNUM]\n0" << endl;
sfile << "[DB_SNUM]\n0" << endl;
if (!itdb1_3) sfile << "[DB_CNUM]\n0" << endl;
sfile << "[DB_FLAGS]" << endl;
sfile << "--------------------\n";
for (int i = 0; i < current_db_categories.size(); ++i) {
sfile << "[DB_F" << i << "]\n" << endl;
}
sfile << "[DB_FLAGS_END]";
setProgress(50); // PROGRESS >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// APPLY
setAllEnabled(true);
current_db_file = saveDBName;
current_db_open = true;
addRecent(saveDBName);
#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("Ready"), 10000);
setProgress(100); setProgress(-1); // PROGRESS >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
actionEdit_questions->setChecked(true);
setPage(actionEdit_questions);
this->setEnabled(true);
// -------------------------------------------------------------------------
}
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);
}
}
void MainWindow::saveDB(const QString &db_file_name, bool savecopy)
{
this->setEnabled(false); qApp->processEvents();
// Prepare
if (LQListWidget->currentIndex().isValid()) {
applyQuestionChanges();
}
// Gather info
bool itdb1_3 = db_file_name.endsWith(".it13.itdb");
QString db_comments = removeLineBreaks(ECTextEdit->toHtml());
uint db_snum = (uint)current_db_sessions.size();
// Save database -----------------------------------------------------------
QFile file(db_file_name);
if (!file.open(QFile::WriteOnly | QFile::Text)) {
QMessageBox::critical(this, tr("Save database"), tr("Cannot write file %1:\n%2.").arg(db_file_name).arg(file.errorString()));
this->setEnabled(true); return;
}
setProgress(5); // PROGRESS >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
QTextStream sfile(&file);
sfile.setCodec("UTF-8");
sfile << "[ITEST_VERSION]\n" << F_ITEST_VERSION << endl;
sfile << "[ITEST_DB_VERSION]\n" << (itdb1_3 ? 1.3 : F_ITDB_VERSION) << endl;
sfile << "[DB_NAME]\n" << databaseNameForFilePath(db_file_name) << endl;
sfile << "[DB_DATE]\n" << QDateTime::currentDateTime().toString("yyyy.MM.dd-hh:mm") << endl;
sfile << "[DB_DATE_ULSD]\ntrue" << endl;
sfile << "[DB_COMMENTS]\n" << db_comments << endl;
sfile << "[DB_QNUM]\n" << current_db_questions.size() << endl;
sfile << "[DB_SNUM]\n" << (itdb1_3 ? 0 : db_snum) << endl;
if (!itdb1_3) sfile << "[DB_CNUM]\n" << current_db_classes.size() << endl;
sfile << "[DB_FLAGS]" << endl;
int num_categories = current_db_categories.size();
if (num_categories > 20 && !current_db_categories_enabled[num_categories - 1]) num_categories--;
for (int i = 0; i < num_categories; ++i) {
sfile << (current_db_categories_enabled[i] ? "+" : "-");
}
sfile << endl;
for (int i = 0; i < num_categories; ++i) {
sfile << "[DB_F" << i << "]\n" << current_db_categories[i] << endl;
}
sfile << "[DB_FLAGS_END]" << endl;
setProgress(10); // PROGRESS >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
uint count = (uint)current_db_questions.size() + (uint)current_db_sessions.size();
uint n = current_db_questions.size();
for (int i = 0; i < LQListWidget->count(); ++i) {
sfile << current_db_questions.value(LQListWidget->item(i))->allProperties(itdb1_3) << endl;
setProgress((90/(i+1)*count)+10); // PROGRESS >>>>>>>>>>>>>>>>>>>>>>>>>>
}
if (!itdb1_3) {
QMapIterator<QDateTime, Session *> i(current_db_sessions);
while (i.hasNext()) { i.next(); n++;
sfile << i.value()->sessionData() << endl;
for (int s = 0; s < i.value()->numStudents(); ++s) {
sfile << i.value()->student(s)->studentData() << endl;
}
setProgress((90/n*count)+10); // PROGRESS >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
}
QMapIterator<QListWidgetItem *, Class *> c(current_db_classes);
while (c.hasNext()) { c.next();
sfile << c.value()->classData() << endl;
}
}
// -------------------------------------------------------------------------
if (!savecopy) {
current_db_comments = db_comments;
current_db_file = db_file_name;
}
#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 saved"), 10000);
setProgress(100); setProgress(-1); // PROGRESS >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// -------------------------------------------------------------------------
this->setEnabled(true);
}