mainWindow.setupUi(this);

chartWidget = new ResultsChartWidget(mainWindow.centralwidget);

chartWidget->setObjectName(QString::fromUtf8("widget"));

chartWidget->setGeometry(QRect(10, 280, 780, 300));

chartWidget->setChartType(histogram);

mainWindow.timeHistogram->setChecked(true);

QObject::connect(mainWindow.About_StringMatching, SIGNAL(triggered()), this, SLOT(showAboutDialog()));

QObject::connect(mainWindow.chooseFileButton, SIGNAL(clicked()), this, SLOT(chooseTextFile()));

QObject::connect(mainWindow.processButton, SIGNAL(clicked()), this, SLOT(processFile()));

QObject::connect(mainWindow.timeHistogram, SIGNAL(clicked()), this, SLOT(setChartType()));

QObject::connect(mainWindow.pattVsFileVsTime, SIGNAL(clicked()), this, SLOT(setChartType()));

QObject::connect(mainWindow.clearResultsButton, SIGNAL(clicked()), this, SLOT(clearResults()));

fileLoaded = false;

generalLock = false;

if (mainWindow.timeHistogram->isChecked()) {

this->chartWidget->setChartType(histogram);

} else if (mainWindow.pattVsFileVsTime->isChecked()) {

this->chartWidget->setChartType(scatter);

}

chartWidget->repaint();

AboutDialog *aboutDialog = new AboutDialog();

aboutDialog->exec();

delete aboutDialog;

textFilePath = QFileDialog::getOpenFileName(this, tr("Choose file..."),

"~/",

tr("Text files (*.txt *.html *.xml)"));

mainWindow.fileBrowser->setText(textFilePath);

if (loadFile(textFilePath, textFileContents)) {

fileLoaded = true;

mainWindow.statusLabel->setText("File loaded");

} else {

mainWindow.statusLabel->setText("Could not load the file");

}

if (generalLock == false) {

generalLock = true;

} else {

return false;

}

QFile textFile(textFilePath);

QString line;

if (textFile.open(QIODevice::ReadOnly)) {

//textFileContents = textFile.readAll();

//int fileSize = textFile.size();

mainWindow.progressBar->setMaximum(textFile.size());

textFileContents = "";

QTextStream stream(&textFile);

int refresher = 0;

mainWindow.statusLabel->setText("Loading file...");

while (!stream.atEnd()) {

line = stream.read(300);

textFileContents += line;

refresher++;

if (refresher == 300) {

mainWindow.progressBar->setValue(textFileContents.size());

QCoreApplication::processEvents();

refresher = 0;

}

}

mainWindow.progressBar->setValue(textFile.size());

QCoreApplication::processEvents();

textFile.close();

generalLock = false;

return true;

} else {

generalLock = false;

return false;

}

if (name == "Brute Force") {

return "B. Force";

} else if (name == "Search Or") {

return "Search Or";

} else if (name == "Morris-Pratt") {

return "M-P";

} else if (name == "Boyer-Moore") {

return "B-M";

} else if (name == "TwoWay") {

return "TW";

}else {

return "unknown";

}

if (generalLock == false) {

generalLock = true;

} else {

return;

}

QTime timer;

if (!fileLoaded) {

mainWindow.statusLabel->setText("No file loaded");

return;

} else {

QString pattern = mainWindow.patternTextEdit->toPlainText();

if (pattern == "") {

mainWindow.statusLabel->setText("No pattern given");

} else {

QString output = "";

QList<int> results;

int elapsedTime;

mainWindow.statusLabel->setText("Processing file contents...");

QCoreApplication::processEvents();

if (mainWindow.chooseAlgCombo->currentText() == "Brute Force") {

BruteForce bf= BruteForce();

timer.start();

results = bf.find(pattern, pattern.size(), textFileContents, textFileContents.size(), mainWindow.progressBar);

elapsedTime = timer.elapsed();

}

else if (mainWindow.chooseAlgCombo->currentText() == "Morris-Pratt") {

MorrisPratt mp = MorrisPratt();

timer.start();

results = mp.find(pattern, pattern.size(), textFileContents, textFileContents.size(), mainWindow.progressBar);

elapsedTime = timer.elapsed();

}

else if (mainWindow.chooseAlgCombo->currentText() == "Boyer-Moore") {

BoyerMoore bm = BoyerMoore();

timer.start();

results = bm.find(pattern, pattern.size(), textFileContents, textFileContents.size(), mainWindow.progressBar);

elapsedTime = timer.elapsed();

}

else if (mainWindow.chooseAlgCombo->currentText() == "TwoWay") {

TwoWay tw = TwoWay();

timer.start();

results = tw.find(pattern, pattern.size(), textFileContents, textFileContents.size(), mainWindow.progressBar);

elapsedTime = timer.elapsed();

}

else {

mainWindow.statusLabel->setText("Algorithm not supported");

return;

}

mainWindow.statusLabel->setText("Preparing results...");

QCoreApplication::processEvents();

output = processOutput(results, elapsedTime);

chartWidget->addResult(getNameShortcut(mainWindow.chooseAlgCombo->currentText()), "", pattern, elapsedTime, textFileContents.size() / 1024);

chartWidget->repaint();

mainWindow.statusLabel->setText("Processing finished");

mainWindow.consoleBrowser->setText(output);

}

}

generalLock = false;

QString output = "";

output += "Processing time: " + QString::number(elapsedTime) + " ms\n";

if (results.size() == 0) {

mainWindow.progressBar->setMaximum(100);

output += "Pattern not found\n";

mainWindow.progressBar->setValue(100);

QCoreApplication::processEvents();

} else {

output += "Pattern found in " + QString::number(results.size()) + " places.\n";

mainWindow.progressBar->setMaximum(results.size());

if (mainWindow.listOfFoundCheckBox->isChecked()) {

int refresher = 0;

int period = results.size() / 100;

for (int i = 0; i < results.size(); i++) {

refresher++;

output += QString::number(results.at(i));

output += ", ";

if (refresher == period) {

mainWindow.progressBar->setValue(i);

QCoreApplication::processEvents();

refresher = 0;

}

}

}

output += "\n";

mainWindow.progressBar->setValue(results.size());

QCoreApplication::processEvents();

}

return output;