src/EditProductTab6.cpp

/**
 * EditProduct.cpp is part of bmsapp.
 *
 * tab 6, yeasts.
 *
 * bmsapp is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * bmsapp is distributed in the yeaste that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */


bool EditProduct::yeast_sort_test(const Yeasts &D1, const Yeasts &D2)
{
    if (D1.y_use > D2.y_use)
	return false;
    if (D1.y_use < D2.y_use)
	return true;
    return (D1.y_amount > D2.y_amount);
}


void EditProduct::refreshYeasts()
{
    QString w;
    QWidget* pWidget;
    QHBoxLayout* pLayout;
    QTableWidgetItem *item;

    qDebug() << "refreshYeasts" << product->yeasts.size();
    std::sort(product->yeasts.begin(), product->yeasts.end(), yeast_sort_test);

    const QStringList labels({tr("Yeast"), tr("Laboratory"), tr("Code"), tr("Type"), tr("Use for"), tr("Min."), tr("Max."),
		              tr("Tol."), tr("Attn."), tr("Amount"), tr("Stock"), tr("Delete"), tr("Edit") });

    ui->yeastsTable->setColumnCount(13);
    ui->yeastsTable->setColumnWidth(0, 200);	/* Yeast	*/
    ui->yeastsTable->setColumnWidth(1, 115);	/* Laboratory	*/
    ui->yeastsTable->setColumnWidth(2,  80);	/* Code		*/
    ui->yeastsTable->setColumnWidth(3,  80);	/* Type		*/
    ui->yeastsTable->setColumnWidth(4,  80);	/* Usage	*/
    ui->yeastsTable->setColumnWidth(5,  50);	/* Min. 	*/
    ui->yeastsTable->setColumnWidth(6,  50);	/* Max.		*/
    ui->yeastsTable->setColumnWidth(7,  50);	/* Tolerance	*/
    ui->yeastsTable->setColumnWidth(8,  50);	/* Attenuation	*/
    ui->yeastsTable->setColumnWidth(9,  80);	/* Amount	*/
    ui->yeastsTable->setColumnWidth(10, 80);	/* Stock	*/
    ui->yeastsTable->setColumnWidth(11, 80);	/* Delete	*/
    ui->yeastsTable->setColumnWidth(12, 80);	/* Edit		*/
    ui->yeastsTable->setHorizontalHeaderLabels(labels);
    ui->yeastsTable->verticalHeader()->hide();
    ui->yeastsTable->setRowCount(product->yeasts.size());

    for (int i = 0; i < product->yeasts.size(); i++) {

	ui->yeastsTable->setItem(i, 0, new QTableWidgetItem(product->yeasts.at(i).y_name));
	ui->yeastsTable->setItem(i, 1, new QTableWidgetItem(product->yeasts.at(i).y_laboratory));
	ui->yeastsTable->setItem(i, 2, new QTableWidgetItem(product->yeasts.at(i).y_product_id));

	item = new QTableWidgetItem(yeast_forms[product->yeasts.at(i).y_form]);
        item->setTextAlignment(Qt::AlignCenter|Qt::AlignVCenter);
        ui->yeastsTable->setItem(i, 3, item);

        item = new QTableWidgetItem(yeast_use[product->yeasts.at(i).y_use]);
        item->setTextAlignment(Qt::AlignCenter|Qt::AlignVCenter);
        ui->yeastsTable->setItem(i, 4, item);

	item = new QTableWidgetItem(QString("%1°C").arg(product->yeasts.at(i).y_min_temperature, 2, 'f', 1, '0'));
	item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
        ui->yeastsTable->setItem(i, 5, item);

	item = new QTableWidgetItem(QString("%1°C").arg(product->yeasts.at(i).y_max_temperature, 2, 'f', 1, '0'));
        item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
        ui->yeastsTable->setItem(i, 6, item);

	item = new QTableWidgetItem(QString("%1%").arg(product->yeasts.at(i).y_tolerance, 2, 'f', 1, '0'));
        item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
        ui->yeastsTable->setItem(i, 7, item);

	item = new QTableWidgetItem(QString("%1%").arg(product->yeasts.at(i).y_attenuation, 2, 'f', 1, '0'));
        item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
        ui->yeastsTable->setItem(i, 8, item);

	if (product->yeasts.at(i).y_form == YEAST_FORMS_LIQUID)
            item = new QTableWidgetItem(QString("%1 pack").arg(product->yeasts.at(i).y_amount, 1, 'f', 0, '0'));
	else if (product->yeasts.at(i).y_form == YEAST_FORMS_DRY || product->yeasts.at(i).y_form == YEAST_FORMS_DRIED)
	    item = new QTableWidgetItem(QString("%1 gr").arg(product->yeasts.at(i).y_amount * 1000.0, 3, 'f', 2, '0'));
	else
	    item = new QTableWidgetItem(QString("%1 ml").arg(product->yeasts.at(i).y_amount * 1000.0, 3, 'f', 2, '0'));
        item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
        ui->yeastsTable->setItem(i, 9, item);

	if (product->yeasts.at(i).y_form == YEAST_FORMS_LIQUID)
            item = new QTableWidgetItem(QString("%1 pack").arg(product->yeasts.at(i).y_inventory, 1, 'f', 0, '0'));
        else if (product->yeasts.at(i).y_form == YEAST_FORMS_DRY || product->yeasts.at(i).y_form == YEAST_FORMS_DRIED)
            item = new QTableWidgetItem(QString("%1 gr").arg(product->yeasts.at(i).y_inventory * 1000.0, 3, 'f', 2, '0'));
        else
            item = new QTableWidgetItem(QString("%1 ml").arg(product->yeasts.at(i).y_inventory * 1000.0, 3, 'f', 2, '0'));
        item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
	if (product->yeasts.at(i).y_inventory < product->yeasts.at(i).y_amount)
	    item->setForeground(QBrush(QColor(Qt::red)));
        ui->yeastsTable->setItem(i, 10, item);

	pWidget = new QWidget();
        QPushButton* btn_dele = new QPushButton();
        btn_dele->setObjectName(QString("%1").arg(i));  /* Send row with the button */
        btn_dele->setText(tr("Delete"));
        connect(btn_dele, SIGNAL(clicked()), this, SLOT(deleteYeastRow_clicked()));
        pLayout = new QHBoxLayout(pWidget);
        pLayout->addWidget(btn_dele);
        pLayout->setContentsMargins(5, 0, 5, 0);
        pWidget->setLayout(pLayout);
        ui->yeastsTable->setCellWidget(i, 11, pWidget);

        pWidget = new QWidget();
        QPushButton* btn_edit = new QPushButton();
        btn_edit->setObjectName(QString("%1").arg(i));  /* Send row with the button */
        btn_edit->setText(tr("Edit"));
        connect(btn_edit, SIGNAL(clicked()), this, SLOT(editYeastRow_clicked()));
        pLayout = new QHBoxLayout(pWidget);
        pLayout->addWidget(btn_edit);
        pLayout->setContentsMargins(5, 0, 5, 0);
        pWidget->setLayout(pLayout);
        ui->yeastsTable->setCellWidget(i, 12, pWidget);
    }
}


void EditProduct::initYeast()
{
    ui->est_og4Edit->setValue(product->est_og);
    ui->est_fg3Edit->setValue(product->est_fg);
    ui->est_abv2Edit->setValue(product->est_abv);
    ui->productionEdit->setText(product->yeast_prod_date.toString("dd MMM yyyy"));
    ui->conditionShow->setValue(product->starter_viability);
    ui->startersgEdit->setValue(product->starter_sg);
    ui->pitchrateEdit->setValue(product->yeast_pitchrate);

    ui->yeastsTable->setEditTriggers(QAbstractItemView::NoEditTriggers);

    for (int i = 0; i < starters.size(); i++) {
	ui->stmethodEdit->addItem(starters[i]);
    }
    ui->stmethodEdit->setCurrentIndex(product->starter_type);
}


/*
 * Calculate the needed yeast for this batch.
 */
void EditProduct::calcYeast()
{
    double sg = product->brew_fermenter_sg;
    double use_cells;
    double needed = 0;
    double initcells = 0;
    bool maybe_starter = false;

    qDebug() << "calcYeast()";
    ui->yeastProcedure->setCurrentIndex(0);

    if (sg <= 1.0001 && product->fg > 1.000)
	sg = product->fg;
    else if (sg <= 1.0001)
	sg = product->est_og;
    double plato = Utils::sg_to_plato(sg);

    double volume = product->brew_fermenter_volume;
    if (volume > 0) {
	if (product->brew_fermenter_extrawater > 0)
	    volume += product->brew_fermenter_extrawater;
    } else {
	volume = product->batch_size - product->eq_trub_chiller_loss;
    }

    // Also in calcFermentables()
   //$('#yeast_cells').val(initcells);

    if (product->yeasts.size() == 0)
	return;		// No yeast in product.

    for (int i = 0; i < product->yeasts.size(); i++) {
	if (product->yeasts.at(i).y_use == YEAST_USE_PRIMARY) {		// Primary
	    if (product->yeasts.at(i).y_form == YEAST_FORMS_DRY) {
		/*
		 * Dry yeast, build the formule with the yeast parameters.
		 * Based on https://www.lallemandbrewing.com/en/canada/brewers-corner/brewing-tools/pitching-rate-calculator/
		 */
		ui->yeastProcedure->setCurrentIndex(2);
		ui->lo_gr_hlEdit->setValue(product->yeasts.at(i).y_gr_hl_lo);
		ui->hi_gr_hlEdit->setValue(product->yeasts.at(i).y_gr_hl_hi);
		ui->lo_sgEdit->setValue(product->yeasts.at(i).y_sg_lo);
		ui->hi_sgEdit->setValue(product->yeasts.at(i).y_sg_hi);
		double og = product->yeasts.at(i).y_sg_lo;
		double f1 = product->yeasts.at(i).y_gr_hl_lo / 100.0;
		double f2 = round(f1 / 5 * 1000000.0) / 1000000.0;
     		double multiplier = (sg <= og) ? f1 : (f1 + f2 * (sg - og) / 0.008);
		qDebug() << "  sg:" << sg << "og:" << og << "f1:" << f1 << "f2:" << f2 << "multiplier:" << multiplier;
     		double yeast_grams = round(volume * multiplier * 100.0) / 100.0; // * (100 / dataRecord.starter_viability), 2);
     		double yeast_gr_hl = round((yeast_grams / (volume * 0.01)) * 100.0) / 100.0;
		ui->need_grEdit->setValue(yeast_grams);
		ui->pitch_grEdit->setValue(yeast_gr_hl);
     		qDebug() << "  need" << yeast_grams << "grams, gr/hl:" << yeast_gr_hl;
		return;
	    } else {
		/*
		 * Liquid, slant, culture etc.
		 * pitchrate see https://www.brewersfriend.com/yeast-pitch-rate-and-starter-calculator/
		 * and http://braukaiser.com/blog/blog/2012/11/03/estimating-yeast-growth/
		 */
		ui->yeastProcedure->setCurrentIndex(1);
		if (product->yeast_pitchrate == 0) {
		    /*
		     * No pitchrate yet, do a educated guess ..
		     */
		    if (product->yeasts.at(i).y_type == YEAST_TYPES_LAGER) {
		    	product->yeast_pitchrate = 1.5;
		    	if (sg > 1.060)
			    product->yeast_pitchrate = 2.0;
		    } else if (product->yeasts.at(i).y_type == YEAST_TYPES_KVEIK) {	// Real Kveik
		    	product->yeast_pitchrate = 0.075;
		    } else {
		    	product->yeast_pitchrate = 0.75;
		    	if (sg > 1.060)
			    product->yeast_pitchrate = 1.0;
		    }
		    is_changed();
		    ui->pitchrateEdit->setValue(product->yeast_pitchrate);
		}

		initcells = (product->yeasts.at(i).y_cells / 1000000) * product->yeasts.at(i).y_amount * 0.97;	// cells / ml.
		if (product->yeasts.at(i).y_form == YEAST_FORMS_LIQUID)
		    initcells = (product->yeasts.at(i).y_cells / 1000000000) * product->yeasts.at(i).y_amount * 0.97;	// 97% viability assumed.

		needed = round(product->yeast_pitchrate * volume * plato * 10.0) / 10.0;
		if (needed > initcells) {
		    maybe_starter = true;
		}

		qDebug() << "  pitchrate:" << product->yeast_pitchrate << "needed:" << needed << "initcells:" << initcells << "starter" << maybe_starter;
	    }
	    break;
	}
    }

    if (maybe_starter != product->starter_enable) {
	product->starter_enable = maybe_starter;
	qDebug() << "  Set starter enable" << maybe_starter;
	is_changed();
    }

    if (product->starter_enable) {
	qDebug() << "  Starter calculate..";

	const QStringList labels({tr("Method"), tr("Volume"), tr("Inj. factor"), tr("New cells"), tr("Total cells"), tr("Grow factor"), "" });
	ui->starterTable->show();
	ui->starterTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
	ui->starterTable->clear();
	ui->starterTable->setColumnCount(7);
	ui->starterTable->setRowCount(0);
	ui->starterTable->setColumnWidth(0, 130);	/* Method	*/
	ui->starterTable->setColumnWidth(1,  90);	/* Volume	*/
	ui->starterTable->setColumnWidth(2,  90);	/* Inj. factor	*/
	ui->starterTable->setColumnWidth(3,  90);	/* New cells	*/
	ui->starterTable->setColumnWidth(4,  90);	/* Total cells	*/
	ui->starterTable->setColumnWidth(5,  90);	/* Grow factor	*/
	ui->starterTable->setColumnWidth(6,  30);	/* Edit button	*/
	ui->starterTable->setHorizontalHeaderLabels(labels);
	calcSteps(product->starter_type, initcells, needed);
    } else {
	ui->starterTable->hide();
    }
}


/*
 * http://braukaiser.com/blog/blog/2012/11/03/estimating-yeast-growth/
 *
 * stype: 0=stirred, 1=shaken, 2=simple
 * totcells: initial cells
 * egrams: gram extract
 */
double EditProduct::getGrowthRate(int stype, double totcells, double egrams)
{
    /* Cells per grams extract (B/g) */
    double cpe = totcells / egrams;

    if (cpe > 3.5)
        return 0;       // no growth
    if (stype == STARTERS_SIMPLE)
        return 0.4;     // simple starter
    if (stype == STARTERS_SHAKEN)
        return 0.62;    // shaken starter
    if (cpe <= 1.4)     // stirred starter
        return 1.4;
    return 2.33 - (.67 * cpe);
};


StepResult EditProduct::calcStep(double svol, int stype, double start)
{
    StepResult res;
    double gperpoint = 2.72715;	//number of grams of extract per point of starter gravity per liter
    double irate = round(start / svol * 10000.0) / 10.0;
    double egrams = (product->starter_sg - 1) * svol * gperpoint;
    double grate = getGrowthRate(stype, start, egrams);
    double ncells = round(egrams * grate * 10.0) / 10.0;
    double totcells = ncells + start;

    res.svol = svol;
    res.irate = irate;
    res.ncells = ncells;
    res.totcells = totcells;
    res.growf = round((ncells / start) * 100.0) / 100.0;
    qDebug() << "  calcStep(" << svol << "," << stype << "," << start << ") irate" << irate
	     << "ncells" << res.ncells << "totcells" << res.totcells << "growf" << res.growf;
    return res;
}


/*
 * Calculate all starter steps.
 * stype: final starter type: 0 = stirred, 1 = shaked, 2 = simple.
 * start: initial cells in billions
 * needed: needed cells in billions
 *
 * result: all values updated.
 */
void EditProduct::calcSteps(int stype, double start, double needed)
{
    int	i, step, svol;
    int	lasti = 0;
    /* Erlenmeyer sizes */
    const int uvols[] { 20, 40, 60, 80, 100, 150, 200, 250, 375, 500, 625, 750, 875, 1000, 1250, 1500, 2000, 2500, 3000, 4000, 5000 };
    int mvols = sizeof(uvols);
    StepResult result;
    QTableWidgetItem *item;
    QWidget* pWidget;
    QHBoxLayout* pLayout;
    double tcells = start;
    QIcon iconT;

    iconT.addFile(QString::fromUtf8(":/icons/silk/pencil.png"), QSize(), QIcon::Normal, QIcon::Off);

    if ((product->prop1_volume + product->prop2_volume + product->prop3_volume + product->prop4_volume) == 0) {
	/*
	 * Auto calculate the starter.
	 */
	qDebug() << "  calcSteps() auto";

	if (start > needed)
	    return;

	for (step = 1; step < 5; step++) {
	    qDebug() << "  step" << step;

	    for (i = lasti; i <= mvols; i++) {
		lasti = i;
		svol = uvols[lasti];
		result = calcStep(svol, stype, tcells);
		if (result.irate < 25) {
		    // inocculation rate too low, backup one step and break out.
		    lasti = i - 1;
		    svol = uvols[lasti];
		    result = calcStep(svol, stype, tcells);
		    break;
		}
		if (result.totcells > needed || i == mvols) {	// hit the target or loops done
		    break;
		}
	    }
	    ui->starterTable->setRowCount(step);
	    item = new QTableWidgetItem(starters[stype]);
	    item->setTextAlignment(Qt::AlignCenter|Qt::AlignVCenter);
	    ui->starterTable->setItem(step -1, 0, item);

	    item = new QTableWidgetItem(QString("%1").arg(result.svol / 1000.0, 4, 'f', 3, '0'));	// To liters
	    item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
	    ui->starterTable->setItem(step -1, 1, item);

	    item = new QTableWidgetItem(QString("%1").arg(result.irate, 2, 'f', 1, '0'));
	    item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(step -1, 2, item);

	    item = new QTableWidgetItem(QString("%1").arg(result.ncells, 2, 'f', 1, '0'));
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(step -1, 3, item);

	    item = new QTableWidgetItem(QString("%1").arg(result.totcells, 2, 'f', 1, '0'));
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(step -1, 4, item);

	    item = new QTableWidgetItem(QString("%1").arg(result.growf, 3, 'f', 2, '0'));
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(step -1, 5, item);

	    pWidget = new QWidget();
            QToolButton* btn_edit = new QToolButton();
            btn_edit->setObjectName(QString("%1").arg(step - 1));  /* Send row with the button */
	    btn_edit->setIcon(iconT);
            connect(btn_edit, SIGNAL(clicked()), this, SLOT(yeast_starter_edit_clicked()));
            pLayout = new QHBoxLayout(pWidget);
            pLayout->addWidget(btn_edit);
            pLayout->setContentsMargins(5, 0, 5, 0);
            pWidget->setLayout(pLayout);
            ui->starterTable->setCellWidget(step -1, 6, pWidget);

	    if (step == 1) {
		product->prop1_type = product->starter_type;
		product->prop1_volume = result.svol / 1000.0;
	    } else if (step == 2) {
		product->prop2_type = product->starter_type;
                product->prop2_volume = result.svol / 1000.0;
	    } else if (step == 3) {
                product->prop3_type = product->starter_type;
                product->prop3_volume = result.svol / 1000.0;
            } else if (step == 4) {
                product->prop4_type = product->starter_type;
                product->prop4_volume = result.svol / 1000.0;
            }

	    tcells = result.totcells;
	    if (result.totcells > needed)	// Hit the target
		return;
	}

    } else {
	/*
	 * Recalculate the starter.
	 */
	qDebug() << "  calcSteps() recalculate";

	if (product->prop1_volume > 0) {
	    result = calcStep(product->prop1_volume * 1000, product->prop1_type, tcells);
	    ui->starterTable->setRowCount(1);
	    item = new QTableWidgetItem(starters[product->prop1_type]);
	    item->setTextAlignment(Qt::AlignCenter|Qt::AlignVCenter);
	    ui->starterTable->setItem(0, 0, item);

            item = new QTableWidgetItem(QString("%1").arg(result.svol / 1000.0, 4, 'f', 3, '0'));       // To liters
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(0, 1, item);

            item = new QTableWidgetItem(QString("%1").arg(result.irate, 2, 'f', 1, '0'));
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(0, 2, item);

            item = new QTableWidgetItem(QString("%1").arg(result.ncells, 2, 'f', 1, '0'));
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(0, 3, item);

            item = new QTableWidgetItem(QString("%1").arg(result.totcells, 2, 'f', 1, '0'));
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(0, 4, item);

            item = new QTableWidgetItem(QString("%1").arg(result.growf, 3, 'f', 2, '0'));
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(0, 5, item);

	    pWidget = new QWidget();
            QToolButton* btn_edit = new QToolButton();
            btn_edit->setObjectName(QString("0"));  /* Send row with the button */
            btn_edit->setIcon(iconT);
            connect(btn_edit, SIGNAL(clicked()), this, SLOT(yeast_starter_edit_clicked()));
            pLayout = new QHBoxLayout(pWidget);
            pLayout->addWidget(btn_edit);
            pLayout->setContentsMargins(5, 0, 5, 0);
            pWidget->setLayout(pLayout);
            ui->starterTable->setCellWidget(0, 6, pWidget);

	    tcells = result.totcells;
	    if (result.totcells > needed) {	// Hit the target
		product->prop2_volume = product->prop3_volume = product->prop4_volume = 0;
		product->prop2_type = product->prop3_type = product->prop4_type = 0;
                return;
	    } else if (product->prop2_volume == 0) {	// Extra step needed, start with the same size.
		product->prop2_volume = product->prop1_volume;
		product->prop2_type = product->prop1_type;
	    }
	}
	if (product->prop2_volume > 0) {
            result = calcStep(product->prop2_volume * 1000, product->prop2_type, tcells);
            ui->starterTable->setRowCount(2);
	    item = new QTableWidgetItem(starters[product->prop2_type]);
	    item->setTextAlignment(Qt::AlignCenter|Qt::AlignVCenter);
	    ui->starterTable->setItem(1, 0, item);

            item = new QTableWidgetItem(QString("%1").arg(result.svol / 1000.0, 4, 'f', 3, '0'));       // To liters
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(1, 1, item);

            item = new QTableWidgetItem(QString("%1").arg(result.irate, 2, 'f', 1, '0'));
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(1, 2, item);

            item = new QTableWidgetItem(QString("%1").arg(result.ncells, 2, 'f', 1, '0'));
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(1, 3, item);

            item = new QTableWidgetItem(QString("%1").arg(result.totcells, 2, 'f', 1, '0'));
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(1, 4, item);

            item = new QTableWidgetItem(QString("%1").arg(result.growf, 3, 'f', 2, '0'));
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(1, 5, item);

	    pWidget = new QWidget();
            QToolButton* btn_edit = new QToolButton();
            btn_edit->setObjectName(QString("1"));  /* Send row with the button */
            btn_edit->setIcon(iconT);
            connect(btn_edit, SIGNAL(clicked()), this, SLOT(yeast_starter_edit_clicked()));
            pLayout = new QHBoxLayout(pWidget);
            pLayout->addWidget(btn_edit);
            pLayout->setContentsMargins(5, 0, 5, 0);
            pWidget->setLayout(pLayout);
            ui->starterTable->setCellWidget(1, 6, pWidget);

            tcells = result.totcells;
            if (result.totcells > needed) {     // Hit the target
                product->prop3_volume = product->prop4_volume = 0;
                product->prop3_type = product->prop4_type = 0;
                return;
            } else if (product->prop3_volume == 0) {    // Extra step needed, start with the same size.
                product->prop3_volume = product->prop2_volume;
                product->prop3_type = product->prop2_type;
            }
        }
	if (product->prop3_volume > 0) {
            result = calcStep(product->prop3_volume * 1000, product->prop3_type, tcells);
            ui->starterTable->setRowCount(3);
	    item = new QTableWidgetItem(starters[product->prop3_type]);
	    item->setTextAlignment(Qt::AlignCenter|Qt::AlignVCenter);
	    ui->starterTable->setItem(2, 0, item);

            item = new QTableWidgetItem(QString("%1").arg(result.svol / 1000.0, 4, 'f', 3, '0'));       // To liters
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(2, 1, item);

            item = new QTableWidgetItem(QString("%1").arg(result.irate, 2, 'f', 1, '0'));
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(2, 2, item);

            item = new QTableWidgetItem(QString("%1").arg(result.ncells, 2, 'f', 1, '0'));
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(2, 3, item);

            item = new QTableWidgetItem(QString("%1").arg(result.totcells, 2, 'f', 1, '0'));
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(2, 4, item);

            item = new QTableWidgetItem(QString("%1").arg(result.growf, 3, 'f', 2, '0'));
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(2, 5, item);

	    pWidget = new QWidget();
            QToolButton* btn_edit = new QToolButton();
            btn_edit->setObjectName(QString("2"));  /* Send row with the button */
            btn_edit->setIcon(iconT);
            connect(btn_edit, SIGNAL(clicked()), this, SLOT(yeast_starter_edit_clicked()));
            pLayout = new QHBoxLayout(pWidget);
            pLayout->addWidget(btn_edit);
            pLayout->setContentsMargins(5, 0, 5, 0);
            pWidget->setLayout(pLayout);
            ui->starterTable->setCellWidget(2, 6, pWidget);

            tcells = result.totcells;
            if (result.totcells > needed) {     // Hit the target
                product->prop4_volume = 0;
                product->prop4_type = 0;
                return;
            } else if (product->prop4_volume == 0) {    // Extra step needed, start with the same size.
                product->prop4_volume = product->prop3_volume;
                product->prop4_type = product->prop3_type;
            }
        }
	if (product->prop4_volume > 0) {
            result = calcStep(product->prop4_volume * 1000, product->prop4_type, tcells);
            ui->starterTable->setRowCount(4);
	    item = new QTableWidgetItem(starters[product->prop4_type]);
	    item->setTextAlignment(Qt::AlignCenter|Qt::AlignVCenter);
	    ui->starterTable->setItem(3, 0, item);

            item = new QTableWidgetItem(QString("%1").arg(result.svol / 1000.0, 4, 'f', 3, '0'));       // To liters
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(3, 1, item);

            item = new QTableWidgetItem(QString("%1").arg(result.irate, 2, 'f', 1, '0'));
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(3, 2, item);

            item = new QTableWidgetItem(QString("%1").arg(result.ncells, 2, 'f', 1, '0'));
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(3, 3, item);

            item = new QTableWidgetItem(QString("%1").arg(result.totcells, 2, 'f', 1, '0'));
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(3, 4, item);

            item = new QTableWidgetItem(QString("%1").arg(result.growf, 3, 'f', 2, '0'));
            item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
            ui->starterTable->setItem(3, 5, item);

	    pWidget = new QWidget();
            QToolButton* btn_edit = new QToolButton();
            btn_edit->setObjectName(QString("3"));  /* Send row with the button */
            btn_edit->setIcon(iconT);
            connect(btn_edit, SIGNAL(clicked()), this, SLOT(yeast_starter_edit_clicked()));
            pLayout = new QHBoxLayout(pWidget);
            pLayout->addWidget(btn_edit);
            pLayout->setContentsMargins(5, 0, 5, 0);
            pWidget->setLayout(pLayout);
            ui->starterTable->setCellWidget(3, 6, pWidget);
        }
    }
}


void EditProduct::yeast_prod_date_clicked()
{
}


void EditProduct::yeast_method_changed(int val)
{
    qDebug() << "yeast_method_changed" << val;
    product->starter_type = val;
    calcYeast();
    is_changed();
}


void EditProduct::yeast_starter_sg_changed(double val)
{
    qDebug() << "yeast_starter_sg_changed" << val;
    product->starter_sg = val;
    calcYeast();
    is_changed();
}


void EditProduct::yeast_pitchrate_button_clicked()
{
}


void EditProduct::yeast_starter_edit_clicked()
{
    QToolButton *pb = qobject_cast<QToolButton *>(QObject::sender());
    int row = pb->objectName().toInt();
    qDebug() << "yeast_starter_edit_clicked" << row;
}


void EditProduct::addYeastRow_clicked()
{
    Yeasts newy;

    qDebug() << "Add yeast row";

    for (int i = 0; i < product->yeasts.size(); i++) {
        if (product->yeasts.at(i).y_amount == 0)
            return;     // Add only one at a time.
    }

    newy.y_name = "Select one";
    newy.y_laboratory = "";
    newy.y_product_id = "";
    newy.y_amount = 0;
    newy.y_type = 0;
    newy.y_form = 0;
    newy.y_min_temperature = 0;
    newy.y_max_temperature = 0;
    newy.y_flocculation = 0;
    newy.y_attenuation = 0;
    newy.y_cells = 0;
    newy.y_tolerance = 0;
    newy.y_inventory = 0;
    newy.y_use = 0;
    newy.y_sta1 = false;
    newy.y_bacteria = false;
    newy.y_harvest_top = false;
    newy.y_harvest_time = 0;
    newy.y_pitch_temperature = 0;
    newy.y_pofpos = false;
    newy.y_zymocide = 0;
    newy.y_gr_hl_lo = 0;
    newy.y_sg_lo = 0;
    newy.y_gr_hl_hi = 0;
    newy.y_sg_hi = 0;
    newy.y_cost = 0;

    product->yeasts.append(newy);
    emit refreshAll();
}


void EditProduct::deleteYeastRow_clicked()
{
    if (product->locked || product->yeasts.size() < 1)
	return;

    QPushButton *pb = qobject_cast<QPushButton *>(QObject::sender());
    int row = pb->objectName().toInt();
    qDebug() << "Delete yeast row" << row << product->yeasts.size();

    int rc = QMessageBox::warning(this, tr("Delete yeast"), tr("Delete %1").arg(product->yeasts.at(row).y_name),
                    QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
    if (rc == QMessageBox::No)
        return;

    product->yeasts.removeAt(row);
    is_changed();
    emit refreshAll();
}


void EditProduct::yeast_amount_changed(double val)
{
    QTableWidgetItem *item;

    qDebug() << "yeast_amount_changed()" << product->yeasts_row << val;

    if (product->yeasts.at(product->yeasts_row).y_form == 0) {
	product->yeasts[product->yeasts_row].y_amount = val;
        item = new QTableWidgetItem(QString("%1 pack").arg(val, 1, 'f', 0, '0'));
    } else if (product->yeasts.at(product->yeasts_row).y_form == 1) {
	product->yeasts[product->yeasts_row].y_amount = val / 1000.0;
        item = new QTableWidgetItem(QString("%1 gr").arg(val, 3, 'f', 2, '0'));
    } else {
        product->yeasts[product->yeasts_row].y_amount = val / 1000.0;
        item = new QTableWidgetItem(QString("%1 ml").arg(val, 3, 'f', 2, '0'));
    }
    item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
    ui->yeastsTable->setItem(product->yeasts_row, 9, item);

    calcYeast();
    is_changed();
}


void EditProduct::yeast_select_changed(int val)
{
    QSqlQuery query;
    bool instock = yinstockEdit->isChecked();
    QString w;
    QTableWidgetItem *item;

    if (val < 1)
        return;

    qDebug() << "yeast_select_changed()" << product->yeasts_row << val << instock;

    /*
     * Search the yeast pointed by the index and instock flag.
     */
    QString sql = "SELECT name,laboratory,product_id,type,form,min_temperature,max_temperature,flocculation,attenuation,"
	          "cells,tolerance,sta1,bacteria,harvest_top,harvest_time,pitch_temperature,pofpos,zymocide,"
		  "gr_hl_lo,sg_lo,gr_hl_hi,sg_hi,cost FROM inventory_yeasts ";
    if (instock)
        sql.append("WHERE inventory > 0 ");
    sql.append("ORDER BY laboratory,product_id,name");
    query.prepare(sql);
    query.exec();
    query.first();
    for (int i = 0; i < (val - 1); i++) {
        query.next();
    }
    qDebug() << "found" << query.value(0).toString() << query.value(2).toString();

    /*
     * Replace the yeast record contents
     */
    product->yeasts[product->yeasts_row].y_name = query.value(0).toString();
    product->yeasts[product->yeasts_row].y_laboratory = query.value(1).toString();
    product->yeasts[product->yeasts_row].y_product_id = query.value(2).toString();
    product->yeasts[product->yeasts_row].y_type = query.value(3).toInt();
    product->yeasts[product->yeasts_row].y_form = query.value(4).toInt();
    product->yeasts[product->yeasts_row].y_min_temperature = query.value(5).toDouble();
    product->yeasts[product->yeasts_row].y_max_temperature = query.value(6).toDouble();
    product->yeasts[product->yeasts_row].y_flocculation = query.value(7).toInt();
    product->yeasts[product->yeasts_row].y_attenuation = query.value(8).toDouble();
    product->yeasts[product->yeasts_row].y_cells = query.value(9).toDouble();
    product->yeasts[product->yeasts_row].y_tolerance = query.value(10).toDouble();
    product->yeasts[product->yeasts_row].y_sta1 = query.value(11).toInt() ? true:false;
    product->yeasts[product->yeasts_row].y_bacteria = query.value(12).toInt() ? true:false;
    product->yeasts[product->yeasts_row].y_harvest_top = query.value(13).toInt() ? true:false;
    product->yeasts[product->yeasts_row].y_harvest_time = query.value(14).toInt();
    product->yeasts[product->yeasts_row].y_pitch_temperature = query.value(15).toDouble();
    product->yeasts[product->yeasts_row].y_pofpos = query.value(16).toInt() ? true:false;
    product->yeasts[product->yeasts_row].y_zymocide = query.value(17).toInt();
    product->yeasts[product->yeasts_row].y_gr_hl_lo = query.value(18).toInt();
    product->yeasts[product->yeasts_row].y_sg_lo = query.value(19).toDouble();
    product->yeasts[product->yeasts_row].y_gr_hl_hi = query.value(20).toInt();
    product->yeasts[product->yeasts_row].y_sg_hi = query.value(21).toDouble();
    product->yeasts[product->yeasts_row].y_cost = query.value(22).toDouble();

    /*
     * Update the visible fields
     */
    ynameEdit->setText(product->yeasts.at(product->yeasts_row).y_name);
    ylaboratoryEdit->setText(product->yeasts.at(product->yeasts_row).y_laboratory);
    yproduct_idEdit->setText(product->yeasts.at(product->yeasts_row).y_product_id);
    if (product->yeasts.at(product->yeasts_row).y_form == 0) {
	yamountEdit->setDecimals(0);
	yamountEdit->setSingleStep(1.0);
	yamountLabel->setText(tr("Total packs:"));
    } else if (product->yeasts.at(product->yeasts_row).y_form == 1) {
	yamountEdit->setDecimals(1);
    	yamountEdit->setSingleStep(0.5);
	yamountLabel->setText(tr("Amount in gr:"));
    } else {
	yamountEdit->setDecimals(1);
	yamountEdit->setSingleStep(0.5);
	yamountLabel->setText(tr("Amount in ml:"));
    }

    ui->yeastsTable->setItem(product->yeasts_row, 0, new QTableWidgetItem(product->yeasts.at(product->yeasts_row).y_name));
    ui->yeastsTable->setItem(product->yeasts_row, 1, new QTableWidgetItem(product->yeasts.at(product->yeasts_row).y_laboratory));
    ui->yeastsTable->setItem(product->yeasts_row, 2, new QTableWidgetItem(product->yeasts.at(product->yeasts_row).y_product_id));

    item = new QTableWidgetItem(yeast_forms[product->yeasts.at(product->yeasts_row).y_form]);
    item->setTextAlignment(Qt::AlignCenter|Qt::AlignVCenter);
    ui->yeastsTable->setItem(product->yeasts_row, 3, item);

    item = new QTableWidgetItem(QString("%1").arg(product->yeasts.at(product->yeasts_row).y_min_temperature, 2, 'f', 1, '0'));
    item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
    ui->yeastsTable->setItem(product->yeasts_row, 5, item);

    item = new QTableWidgetItem(QString("%1").arg(product->yeasts.at(product->yeasts_row).y_max_temperature, 2, 'f', 1, '0'));
    item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
    ui->yeastsTable->setItem(product->yeasts_row, 6, item);

    item = new QTableWidgetItem(QString("%1").arg(product->yeasts.at(product->yeasts_row).y_tolerance, 2, 'f', 1, '0'));
    item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
    ui->yeastsTable->setItem(product->yeasts_row, 7, item);

    item = new QTableWidgetItem(QString("%1").arg(product->yeasts.at(product->yeasts_row).y_attenuation, 2, 'f', 1, '0'));
    item->setTextAlignment(Qt::AlignRight|Qt::AlignVCenter);
    ui->yeastsTable->setItem(product->yeasts_row, 8, item);

    calcYeast();
    is_changed();
}


void EditProduct::yeast_instock_changed(bool val)
{
    QSqlQuery query;

    qDebug() << "yeast_instock_changed()" << product->yeasts_row << val;

    this->yselectEdit->setCurrentIndex(-1);
    this->yselectEdit->clear();
    QString sql = "SELECT name,laboratory,product_id,inventory FROM inventory_yeasts ";
    if (val)
        sql.append("WHERE inventory > 0 ");
    sql.append("ORDER BY laboratory,product_id,name");
    query.prepare(sql);
    query.exec();
    query.first();
    this->yselectEdit->addItem("");      // Start with empty value
    for (int i = 0; i < query.size(); i++) {
        this->yselectEdit->addItem(query.value(1).toString()+" - "+query.value(2).toString()+" "+query.value(0).toString() + 
                        QString(" (%1 gr)").arg(query.value(3).toDouble() * 1000.0, 2, 'f', 1, '0'));
        query.next();
    }
}


void EditProduct::yeast_useat_changed(int val)
{
    qDebug() << "yeast_useat_changed()" << product->yeasts_row << val;

    product->yeasts[product->yeasts_row].y_use = val;
    QTableWidgetItem *item = new QTableWidgetItem(yeast_use[val]);
    item->setTextAlignment(Qt::AlignCenter|Qt::AlignVCenter);
    ui->yeastsTable->setItem(product->yeasts_row, 5, item);
    is_changed();
    emit refreshAll();
}


void EditProduct::editYeastRow_clicked()
{
    QSqlQuery query;

    if (product->locked)
	return;

    QPushButton *pb = qobject_cast<QPushButton *>(QObject::sender());
    product->yeasts_row = pb->objectName().toInt();
    qDebug() << "Edit yeast row" << product->yeasts_row;
    Yeasts backup = product->yeasts.at(product->yeasts_row);

    QDialog* dialog = new QDialog(this);
    dialog->resize(738, 260);
    QDialogButtonBox *buttonBox = new QDialogButtonBox(dialog);
    buttonBox->setObjectName(QString::fromUtf8("buttonBox"));
    buttonBox->setGeometry(QRect(30, 210, 671, 32));
    buttonBox->setLayoutDirection(Qt::LeftToRight);
    buttonBox->setOrientation(Qt::Horizontal);
    buttonBox->setStandardButtons(QDialogButtonBox::Cancel|QDialogButtonBox::Ok);
    buttonBox->setCenterButtons(true);

    QLabel *nameLabel = new QLabel(dialog);
    nameLabel->setObjectName(QString::fromUtf8("nameLabel"));
    nameLabel->setText(tr("Yeast name:"));
    nameLabel->setGeometry(QRect(10, 10, 141, 20));
    nameLabel->setAlignment(Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter);
    QLabel *laboratoryLabel = new QLabel(dialog);
    laboratoryLabel->setObjectName(QString::fromUtf8("laboratoryLabel"));
    laboratoryLabel->setText(tr("Laboratory:"));
    laboratoryLabel->setGeometry(QRect(10, 40, 141, 20));
    laboratoryLabel->setAlignment(Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter);
    QLabel *product_idLabel = new QLabel(dialog);
    product_idLabel->setObjectName(QString::fromUtf8("product_idLabel"));
    product_idLabel->setText(tr("Laboratory:"));
    product_idLabel->setGeometry(QRect(10, 70, 141, 20));
    product_idLabel->setAlignment(Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter);
    QLabel *selectLabel = new QLabel(dialog);
    selectLabel->setObjectName(QString::fromUtf8("selectLabel"));
    selectLabel->setText(tr("Select yeast:"));
    selectLabel->setGeometry(QRect(10,100, 141, 20));
    selectLabel->setAlignment(Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter);
    QLabel *instockLabel = new QLabel(dialog);
    instockLabel->setObjectName(QString::fromUtf8("instockLabel"));
    instockLabel->setText(tr("In stock:"));
    instockLabel->setGeometry(QRect(525,100, 121, 20));
    instockLabel->setAlignment(Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter);
    yamountLabel = new QLabel(dialog);
    yamountLabel->setObjectName(QString::fromUtf8("amountLabel"));
    if (product->yeasts.at(product->yeasts_row).y_form == 0)
	yamountLabel->setText(tr("Total packs:"));
    else if (product->yeasts.at(product->yeasts_row).y_form == 1)
	yamountLabel->setText(tr("Amount in gr:"));
    else
	yamountLabel->setText(tr("Amount in ml:"));
    yamountLabel->setGeometry(QRect(10, 130, 141, 20));
    yamountLabel->setAlignment(Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter);
    QLabel *useatLabel = new QLabel(dialog);
    useatLabel->setObjectName(QString::fromUtf8("useatLabel"));
    useatLabel->setText(tr("Use at:"));
    useatLabel->setGeometry(QRect(10, 160, 141, 20));
    useatLabel->setAlignment(Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter);

    ynameEdit = new QLineEdit(dialog);
    ynameEdit->setObjectName(QString::fromUtf8("ynameEdit"));
    ynameEdit->setText(product->yeasts.at(product->yeasts_row).y_name);
    ynameEdit->setGeometry(QRect(160, 10, 511, 23));
    ynameEdit->setReadOnly(true);
    ylaboratoryEdit = new QLineEdit(dialog);
    ylaboratoryEdit->setObjectName(QString::fromUtf8("ylaboratoryEdit"));
    ylaboratoryEdit->setText(product->yeasts.at(product->yeasts_row).y_laboratory);
    ylaboratoryEdit->setGeometry(QRect(160, 40, 511, 23));
    ylaboratoryEdit->setReadOnly(true);
    yproduct_idEdit = new QLineEdit(dialog);
    yproduct_idEdit->setObjectName(QString::fromUtf8("yproduct_idEdit"));
    yproduct_idEdit->setText(product->yeasts.at(product->yeasts_row).y_product_id);
    yproduct_idEdit->setGeometry(QRect(160, 70, 511, 23));
    yproduct_idEdit->setReadOnly(true);
    yselectEdit = new QComboBox(dialog);
    yselectEdit->setObjectName(QString::fromUtf8("selectEdit"));
    yselectEdit->setGeometry(QRect(160,100, 371, 23));
    yinstockEdit = new QCheckBox(dialog);
    yinstockEdit->setObjectName(QString::fromUtf8("yinstockEdit"));
    yinstockEdit->setGeometry(QRect(655,100, 85, 21));
    yinstockEdit->setChecked(true);
    yamountEdit = new QDoubleSpinBox(dialog);
    yamountEdit->setObjectName(QString::fromUtf8("yamountEdit"));
    yamountEdit->setGeometry(QRect(160, 130, 121, 24));
    yamountEdit->setAlignment(Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter);
    yamountEdit->setAccelerated(true);
    if (product->yeasts.at(product->yeasts_row).y_form == 0) {
	yamountEdit->setDecimals(0);
        yamountEdit->setSingleStep(1.0);
	yamountEdit->setValue(product->yeasts.at(product->yeasts_row).y_amount);
    } else if (product->yeasts.at(product->yeasts_row).y_form == 1) {
    	yamountEdit->setDecimals(1);
    	yamountEdit->setSingleStep(0.5);
	yamountEdit->setValue(product->yeasts.at(product->yeasts_row).y_amount * 1000.0);
    } else {
	yamountEdit->setDecimals(1);
        yamountEdit->setSingleStep(0.5);
	yamountEdit->setValue(product->yeasts.at(product->yeasts_row).y_amount * 1000.0);
    }
    yamountEdit->setMaximum(1000000000.0);
    useatEdit = new QComboBox(dialog);
    useatEdit->setObjectName(QString::fromUtf8("useatEdit"));
    useatEdit->setGeometry(QRect(160, 160, 161, 23));
    useatEdit->addItem(tr("Primary"));
    useatEdit->addItem(tr("Secondary"));
    useatEdit->addItem(tr("Tertiary"));
    useatEdit->addItem(tr("Bottle"));
    useatEdit->setCurrentIndex(product->yeasts.at(product->yeasts_row).y_use);

    yeast_instock_changed(true);

    connect(yselectEdit, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &EditProduct::yeast_select_changed);
    connect(yamountEdit, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &EditProduct::yeast_amount_changed);
    connect(useatEdit, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &EditProduct::yeast_useat_changed);
    connect(yinstockEdit, &QCheckBox::stateChanged, this, &EditProduct::yeast_instock_changed);
    connect(buttonBox, SIGNAL(rejected()), dialog, SLOT(reject()));
    connect(buttonBox, SIGNAL(accepted()), dialog, SLOT(accept()));

    dialog->setModal(true);
    dialog->exec();
    if (dialog->result() == QDialog::Rejected) {
        qDebug() << "reject and rollback";
        product->yeasts[product->yeasts_row] = backup;
    } else {

    }

    disconnect(yselectEdit, nullptr, nullptr, nullptr);
    disconnect(yamountEdit, nullptr, nullptr, nullptr);
    disconnect(useatEdit, nullptr, nullptr, nullptr);
    disconnect(yinstockEdit, nullptr, nullptr, nullptr);
    disconnect(buttonBox, nullptr, nullptr, nullptr);

    emit refreshAll();
}


void EditProduct::adjustYeasts(double factor)
{
    double amount;

    if (product->yeasts.size() == 0)
	return;

    for (int i = 0; i < product->yeasts.size(); i++) {
	if (product->yeasts.at(i).y_form == YEAST_FORMS_DRY) { // Only adjust dry yeast
	    amount = product->yeasts.at(i).y_amount * factor;
	    product->yeasts[i].y_amount = amount;
	}
    }
}