bool RecordPanel::confirmOverwrite(QString fileName)

{

    // prepare message box

    QMessageBox mb(parentWidget());

    mb.setWindowTitle(tr("File Already Exists"));

    mb.setIcon(QMessageBox::Warning);

    mb.setText(tr("File (%1) already exists. How to continue?").arg(fileName));

    auto bCancel    = mb.addButton(QMessageBox::Cancel);

    auto bOverwrite = mb.addButton(tr("Overwrite"), QMessageBox::DestructiveRole);

    mb.addButton(tr("Select Another File"), QMessageBox::YesRole);

    mb.setEscapeButton(bCancel);

    // show message box

    mb.exec();

    if (mb.clickedButton() == bCancel)

    {

        return false;

    }

    else if (mb.clickedButton() == bOverwrite)

    {

        selectedFile = fileName;

        return true;

    }

    else                    // select button

    {

        return selectFile();

    }

}

void RecordPanel::startRecording(void)

{

    QStringList channelNames;

    if (ui->cbHeader->isChecked())

    {

        channelNames = _stream->infoModel()->channelNames();

    }

    if (recorder.startRecording(selectedFile, getSeparator(), channelNames))

    {

        _stream->connectFollower(&recorder);

    }

}

void RecordPanel::stopRecording(void)

{

    recorder.stopRecording();

}

void RecordPanel::onPortClose()

{

    if (recordAction.isChecked() && ui->cbStopOnClose->isChecked())

    {

        stopRecording();

        recordAction.setChecked(false);

    }

}

QString RecordPanel::getSeparator() const

{

    QString sep = ui->leSeparator->text();

    sep.replace("\\t", "\t");

    return sep;

}

void RecordPanel::saveSettings(QSettings* settings)

{

    settings->beginGroup(SettingGroup_Record);

    settings->setValue(SG_Record_AutoIncrement, ui->cbAutoIncrement->isChecked());

    settings->setValue(SG_Record_RecordPaused, ui->cbRecordPaused->isChecked());

    settings->setValue(SG_Record_StopOnClose, ui->cbStopOnClose->isChecked());

    settings->setValue(SG_Record_Header, ui->cbHeader->isChecked());

    settings->setValue(SG_Record_DisableBuffering, ui->cbDisableBuffering->isChecked());

    settings->setValue(SG_Record_Separator, ui->leSeparator->text());

    settings->endGroup();

}

void RecordPanel::loadSettings(QSettings* settings)

{

    settings->beginGroup(SettingGroup_Record);

    ui->cbAutoIncrement->setChecked(

        settings->value(SG_Record_AutoIncrement, ui->cbAutoIncrement->isChecked()).toBool());

    ui->cbRecordPaused->setChecked(

        settings->value(SG_Record_RecordPaused, ui->cbRecordPaused->isChecked()).toBool());

    ui->cbStopOnClose->setChecked(

        settings->value(SG_Record_StopOnClose, ui->cbStopOnClose->isChecked()).toBool());

    ui->cbHeader->setChecked(

        settings->value(SG_Record_Header, ui->cbHeader->isChecked()).toBool());

    ui->cbDisableBuffering->setChecked(

        settings->value(SG_Record_DisableBuffering, ui->cbDisableBuffering->isChecked()).toBool());

    ui->leSeparator->setText(settings->value(SG_Record_Separator, ui->leSeparator->text()).toString());

    settings->endGroup();

}