src/EditProductTab1.cpp

/**
 * EditProduct.cpp is part of bmsapp.
 *
 * Tab 1, generic settings.
 *
 * 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 hope 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/>.
 */


void EditProduct::code_changed(QString code)
{
    product->code = code;
    is_changed();
}


void EditProduct::name_changed(QString name)
{
    product->name = name;
    is_changed();
}


void EditProduct::notes_changed()
{
    /* The text cannot be passed in a simple way :) */
    product->notes = ui->notesEdit->toPlainText();
    is_changed();
}


/*
 * New beerstyle is selected.
 */
void EditProduct::style_changed(int val)
{
    QSqlQuery query;

    query.prepare("SELECT * FROM profile_styles ORDER BY style_guide,style_letter,name");
    query.exec();
    query.first();
    // Skip to the record index.
    for (int i = 0; i < (val - 1); i++) {
        query.next();
    }
    // Set relevant fields and update ranges.
    product->st_name = query.value(1).toString();
    product->st_category = query.value(2).toString();
    product->st_category_number = query.value(3).toInt();
    product->st_letter = query.value(4).toString();
    product->st_guide = query.value(5).toString();
    product->st_type = query.value(6).toInt();
    product->st_og_min = query.value(7).toDouble();
    product->st_og_max = query.value(8).toDouble();
    product->st_fg_min = query.value(9).toDouble();
    product->st_fg_max = query.value(10).toDouble();
    product->st_ibu_min = query.value(11).toDouble();
    product->st_ibu_max = query.value(12).toDouble();
    product->st_color_min = query.value(13).toDouble();
    product->st_color_max = query.value(14).toDouble();
    product->st_carb_min = query.value(15).toDouble();
    product->st_carb_max = query.value(16).toDouble();
    product->st_abv_min = query.value(17).toDouble();
    product->st_abv_max = query.value(18).toDouble();

    ui->st_nameEdit->setText(product->st_name);
    ui->st_groupEdit->setText(product->st_letter);
    ui->st_guideEdit->setText(product->st_guide);
    ui->st_catEdit->setText(product->st_category);
    ui->st_catnrEdit->setText(QString("%1").arg(product->st_category_number));
    ui->st_typeEdit->setText(style_types[product->st_type]);

    ui->est_ogShow->setRange(query.value(7).toDouble(), query.value(8).toDouble());
    ui->est_fgShow->setRange(query.value(9).toDouble(), query.value(10).toDouble());
    ui->est_ibuShow->setRange(query.value(11).toDouble(), query.value(12).toDouble());
    ui->est_colorShow->setRange(query.value(13).toDouble(), query.value(14).toDouble());
    ui->est_carbShow->setRange(query.value(15).toDouble(), query.value(16).toDouble());
    ui->est_abvShow->setRange(query.value(17).toDouble(), query.value(18).toDouble());

    is_changed();
}


void EditProduct::colormethod_changed(int val)
{
    product->color_method = val;
    calcFermentables();
    is_changed();
}


void EditProduct::ibumethod_changed(int val)
{
    product->ibu_method = val;
    calcIBUs();
    is_changed();
}


void EditProduct::est_og_changed(double val)
{
    product->est_og = val;
    calcFermentablesFromOG(val);// Adjust fermentables amounts
    calcFermentables();		// Update the product details
    calcIBUs();
    calcMash();
    is_changed();
    emit refreshAll();
}


void EditProduct::efficiency_changed(double val)
{
    double estog = product->est_og;
    product->efficiency = val;
    calcFermentablesFromOG(estog);
    calcFermentables();
    calcIBUs();
    is_changed();
    emit refreshAll();
}


void EditProduct::boil_time_changed(int val)
{
    qDebug() << "boil_time_changed" << val;
    double new_evap = (0.1 * product->batch_size) * val / 60.0;
    product->boil_size = product->batch_size + new_evap;
    product->boil_time = val;
    ui->boil_sizeEdit->setValue(product->boil_size);
    ui->brew_preboilvolShow->setValue(product->boil_size * 1.04);
    calcFermentables();
    calcIBUs();
    is_changed();
}


void EditProduct::batch_size_changed(double val)
{
    qDebug() << "batch_size_changed" << val << "old" << product->batch_size;

    double evap = (0.1 * val) * product->boil_time / 60.0;
    product->boil_size = val + evap;
    double factor = val / product->batch_size;
    ui->boil_sizeEdit->setValue(product->boil_size);
    ui->brew_preboilvolShow->setValue(product->boil_size * 1.04);
    product->sparge_volume *= factor;
    ui->sp_volEdit->setValue(product->sparge_volume);
    ui->brew_spargevolShow->setValue(product->sparge_volume);
    product->batch_size = val;
    calcFermentablesFromOG(product->est_og);	// Keep the OG
    adjustWaters(factor);
    calcFermentables();
    adjustHops(factor);
    adjustMiscs(factor);
    adjustYeasts(factor);
    calcIBUs();
    calcWater();
    calcMash();
    is_changed();
    emit refreshAll();
}


void EditProduct::brew_type_changed(int val)
{
    product->type;
    is_changed();
}


void EditProduct::locked_changed(bool val)
{
    qDebug() << "locked_changed" << val;

    if (product->stage < PROD_STAGE_READY)
	return;

    product->locked = val;
    product->stage = val ? PROD_STAGE_CLOSED : PROD_STAGE_READY;
    setStage();
    is_changed();
}


void EditProduct::setStage()
{
    int	 stage = product->stage;
    bool locked = product->locked;

    /*
     * See if we need to set a new stage.
     */
    if ((stage == PROD_STAGE_PLAN) && (product->est_og > 1.005) && (product->est_color > 3) && (product->est_ibu > 3))
	stage = PROD_STAGE_WAIT;
    if ((stage == PROD_STAGE_WAIT) && (product->brew_date_start.date().isValid()))
	stage = PROD_STAGE_BREW;
    if ((stage == PROD_STAGE_BREW) && (! product->brew_date_start.date().isValid()))
	stage = PROD_STAGE_WAIT;
    /* from PROD_STAGE_BREW to PROD_STAGE_PRIMARY is handled in EditProductTab9.cpp */
    /* from PROD_STAGE_PRIMARY to PROD_STAGE_SECONDARY is handled in EditProductTab10.cpp */
    /* from PROD_STAGE_SECONDARY to PROD_STAGE_TERIARY is handled in EditProductTab10.cpp */
    if ((stage == PROD_STAGE_TERTIARY) && product->package_date.isValid())
	stage = PROD_STAGE_PACKAGE;
    if ((stage == PROD_STAGE_PACKAGE) && (! product->package_date.isValid()))
	stage = PROD_STAGE_TERTIARY;
    /* from PROD_STAGE_PACKAGE to PROD_STAGE_CARBONATION is handled in EditProductTab11.cpp */
    if ((stage == PROD_STAGE_CARBONATION) && (product->package_date.daysTo(QDate::currentDate()) > 14))
	stage = PROD_STAGE_MATURE;

    if (product->stage != stage) {
	qDebug() << "setStage() change state:" << prod_stages[product->stage] << "to:" << prod_stages[stage];
    	product->stage = stage;
	is_changed();
    } else {
	qDebug() << "setStage() stage:" << prod_stages[stage];
    }

    ui->stageEdit->setText(prod_stages[stage]);

    /* Tab 1, generic */
    ui->typeEdit->setDisabled(stage > PROD_STAGE_WAIT);
    ui->color_methodEdit->setDisabled(locked);
    ui->ibu_methodEdit->setDisabled(locked);
    ui->beerstyleEdit->setDisabled(stage > PROD_STAGE_WAIT);
    ui->nameEdit->setReadOnly(stage > PROD_STAGE_WAIT);
    ui->codeEdit->setReadOnly(stage > PROD_STAGE_WAIT);
    ui->notesEdit->setReadOnly(locked);
    ui->batch_sizeEdit->setReadOnly(stage > PROD_STAGE_WAIT);
    ui->batch_sizeEdit->setButtonSymbols((stage > PROD_STAGE_WAIT) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->boil_sizeEdit->setReadOnly(stage > PROD_STAGE_WAIT);
    ui->boil_sizeEdit->setButtonSymbols((stage > PROD_STAGE_WAIT) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->boil_timeEdit->setReadOnly(stage > PROD_STAGE_WAIT);
    ui->boil_timeEdit->setButtonSymbols((stage > PROD_STAGE_WAIT) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->efficiencyEdit->setReadOnly(stage > PROD_STAGE_WAIT);
    ui->efficiencyEdit->setButtonSymbols((stage > PROD_STAGE_WAIT) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->est_ogEdit->setReadOnly(stage > PROD_STAGE_WAIT);
    ui->est_ogEdit->setButtonSymbols((stage > PROD_STAGE_WAIT) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    if (stage > PROD_STAGE_PACKAGE) {
	ui->ok_pmptLabel->hide();
	ui->ok_pmptIcon->hide();
    } else {
	ui->ok_pmptLabel->show();
        ui->ok_pmptIcon->show();
    }
    if (stage >= PROD_STAGE_READY) {
	ui->lockedLabel->show();
	ui->lockedEdit->show();
    } else {
	ui->lockedLabel->hide();
        ui->lockedEdit->hide();
    }

    /* Tab 2, equipment */
    ui->tabWidget->setTabEnabled(1, stage < PROD_STAGE_BREW);

    /* Tab 3, fermentables */
    ui->est_og2Edit->setReadOnly(stage > PROD_STAGE_WAIT);
    ui->est_og2Edit->setButtonSymbols((stage > PROD_STAGE_WAIT) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->addFermentable->setEnabled(stage <= PROD_STAGE_PACKAGE);

    /* Tab 4, hops */
    ui->addHop->setEnabled(stage <= PROD_STAGE_PACKAGE);

    /* Tab 5, miscs */
    ui->addMisc->setEnabled(stage <= PROD_STAGE_PACKAGE);

    /* Tab 6, yeasts */
    ui->addYeast->setEnabled(stage <= PROD_STAGE_PACKAGE);

    /* Tab 7, mash */
    ui->addMash->setEnabled(stage <= PROD_STAGE_BREW);
    ui->mash_nameEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->mash_pickEdit->setDisabled(stage > PROD_STAGE_BREW);

    /* Tab 8, water */
    ui->sp_sourceEdit->setDisabled(stage > PROD_STAGE_BREW);
    ui->wt_sourceEdit->setDisabled(stage > PROD_STAGE_BREW);
    ui->w1_nameEdit->setDisabled(stage > PROD_STAGE_BREW);
    ui->w2_nameEdit->setDisabled(stage > PROD_STAGE_BREW);
    ui->mw_acidPick->setDisabled(stage > PROD_STAGE_BREW);
    ui->sp_acidtypeEdit->setDisabled(stage > PROD_STAGE_BREW);
    ui->w2_volEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->w2_volEdit->setButtonSymbols((stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->sp_phEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->sp_phEdit->setButtonSymbols((stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->sp_tempEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->sp_tempEdit->setButtonSymbols((stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->sp_volEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->sp_volEdit->setButtonSymbols((stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->bs_cacl2Edit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->bs_cacl2Edit->setButtonSymbols((stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->bs_caso4Edit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->bs_caso4Edit->setButtonSymbols((stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->bs_mgso4Edit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->bs_mgso4Edit->setButtonSymbols((stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->bs_naclEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->bs_naclEdit->setButtonSymbols((stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->bs_mgcl2Edit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->bs_mgcl2Edit->setButtonSymbols((stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->bs_nahco3Edit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->bs_nahco3Edit->setButtonSymbols((stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->bs_caco3Edit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->bs_caco3Edit->setButtonSymbols((stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    if (stage > PROD_STAGE_BREW) {
    	ui->mw_phEdit->setReadOnly(true);
	ui->mw_phEdit->setButtonSymbols(QAbstractSpinBox::NoButtons);
	ui->mw_acidvolEdit->setReadOnly(true);
	ui->mw_acidvolEdit->setButtonSymbols(QAbstractSpinBox::NoButtons);
    } else {
    	ui->mw_phEdit->setReadOnly(! product->calc_acid);
    	ui->mw_phEdit->setButtonSymbols(product->calc_acid ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    	ui->mw_acidvolEdit->setReadOnly(product->calc_acid);
    	ui->mw_acidvolEdit->setButtonSymbols(product->calc_acid ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    }
    ui->mw_autoEdit->setDisabled(stage > PROD_STAGE_BREW);

    /* Tab 9, brewday */
    ui->tabWidget->setTabEnabled(8, stage > PROD_STAGE_PLAN);
    if (product->log_brew) {
	ui->brew_logLabel->show();
	ui->brew_logButton->show();
    } else {
	ui->brew_logLabel->hide();
	ui->brew_logButton->hide();
    }
    ui->brew_ackLabel->hide();
    ui->brew_ackButton->hide();
    if (product->stage < PROD_STAGE_BREW) {
	ui->brew_startButton1->show();
        ui->brew_startButton2->show();
        ui->brew_startDate->setReadOnly(false);
	ui->brew_startDate->setMinimumDate(product->birth.addDays(-1));	// The birth date is the first valid date.
	ui->brew_endButton1->hide();
	ui->brew_startLabel2->hide();
	ui->brew_endLabel->hide();
	ui->brew_endLabel2->hide();
	ui->brew_startTime->hide();
        ui->brew_endDate->hide();
        ui->brew_endTime->hide();
    } else if (product->stage == PROD_STAGE_BREW) {
	ui->brew_startButton1->show();
        ui->brew_startButton2->show();
        ui->brew_startDate->setReadOnly(false);
	ui->brew_startLabel2->show();

	/*
	 * Enable brew_end settings if it is the right date or later.
	 * If some essential values are filled in.
	 */
	int brewTime = product->brew_date_start.date().daysTo(QDate::currentDate());

	if ((brewTime >= 0) && (product->brew_cooling_method > 0) && (product->brew_cooling_time > 0) &&
	    (product->brew_aboil_sg > 1.002) && (product->brew_aboil_volume > 0)) {
            ui->brew_endLabel->show();
	    ui->brew_startLabel2->show();
            ui->brew_endLabel2->show();
	    ui->brew_endButton1->show();
	    ui->brew_startTime->setButtonSymbols(QAbstractSpinBox::UpDownArrows);
	    ui->brew_startTime->show();
	    ui->brew_endDate->setButtonSymbols(QAbstractSpinBox::UpDownArrows);
            ui->brew_endDate->show();
	    ui->brew_endDate->setReadOnly(false);
	    ui->brew_endTime->setButtonSymbols(QAbstractSpinBox::UpDownArrows);
            ui->brew_endTime->show();
	    if (product->brew_date_end.isValid() && product->brew_date_start.isValid() &&
		(product->brew_date_start.msecsTo(product->brew_date_end) > 7200000)) {
		/* The start and end dates are valid, and the end is more then two hours after the start. */
		ui->brew_ackLabel->show();
		ui->brew_ackButton->show();
	    }
	} else {
	    ui->brew_endButton1->hide();
            ui->brew_startLabel2->hide();
            ui->brew_endLabel->hide();
            ui->brew_endLabel2->hide();
            ui->brew_startTime->hide();
            ui->brew_endDate->hide();
            ui->brew_endTime->hide();
	}
    } else {
	ui->brew_startButton1->hide();
        ui->brew_startButton2->hide();
        ui->brew_startDate->setReadOnly(true);
	ui->brew_startLabel2->show();
        ui->brew_endLabel->show();
        ui->brew_endLabel2->show();
	ui->brew_endButton1->hide();
	ui->brew_startTime->setButtonSymbols(QAbstractSpinBox::NoButtons);
	ui->brew_startTime->show();
	ui->brew_startTime->setReadOnly(true);
	ui->brew_endDate->setButtonSymbols(QAbstractSpinBox::NoButtons);
        ui->brew_endDate->show();
	ui->brew_endDate->setReadOnly(true);
	ui->brew_endTime->setButtonSymbols(QAbstractSpinBox::NoButtons);
        ui->brew_endTime->show();
	ui->brew_endTime->setReadOnly(true);
    }
    ui->brew_mashphEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->brew_mashphEdit->setButtonSymbols( (stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->brew_mashsgEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->brew_mashsgEdit->setButtonSymbols( (stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->brew_spargephEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->brew_spargephEdit->setButtonSymbols( (stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->brew_preboilphEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->brew_preboilphEdit->setButtonSymbols( (stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->brew_preboilsgEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->brew_preboilsgEdit->setButtonSymbols( (stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->brew_preboilvolEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->brew_preboilvolEdit->setButtonSymbols( (stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->brew_preboilButton->setDisabled(stage > PROD_STAGE_BREW);
    ui->brew_aboilphEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->brew_aboilphEdit->setButtonSymbols( (stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->brew_aboilsgEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->brew_aboilsgEdit->setButtonSymbols( (stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->brew_aboilvolEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->brew_aboilvolEdit->setButtonSymbols( (stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->brew_aboilButton->setDisabled(stage > PROD_STAGE_BREW);
    ui->brew_cooltoEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->brew_cooltoEdit->setButtonSymbols( (stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->brew_cooltimeEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->brew_cooltimeEdit->setButtonSymbols( (stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->brew_coolwithEdit->setDisabled(stage > PROD_STAGE_BREW);
    ui->brew_whirlpool9Edit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->brew_whirlpool9Edit->setButtonSymbols( (stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->brew_whirlpool7Edit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->brew_whirlpool7Edit->setButtonSymbols( (stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->brew_whirlpool6Edit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->brew_whirlpool6Edit->setButtonSymbols( (stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->brew_whirlpool2Edit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->brew_whirlpool2Edit->setButtonSymbols( (stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->brew_aerspeedEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->brew_aerspeedEdit->setButtonSymbols( (stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->brew_aertimeEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->brew_aertimeEdit->setButtonSymbols( (stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->brew_aerwithEdit->setDisabled(stage > PROD_STAGE_BREW);
    ui->brew_trublossEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->brew_trublossEdit->setButtonSymbols( (stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);
    ui->brew_topupwaterEdit->setReadOnly(stage > PROD_STAGE_BREW);
    ui->brew_topupwaterEdit->setButtonSymbols( (stage > PROD_STAGE_BREW) ? QAbstractSpinBox::NoButtons : QAbstractSpinBox::UpDownArrows);

    /* Tab 10, fermentation */
    ui->tabWidget->setTabEnabled(9, stage > PROD_STAGE_WAIT);
    ui->prim_enddateEdit->setReadOnly(true);
    ui->prim_enddateEdit->setButtonSymbols(QAbstractSpinBox::NoButtons);
    ui->prim_enddateButton->hide();
    ui->prim_ackButton->hide();
    ui->sec_enddateEdit->setReadOnly(true);
    ui->sec_enddateEdit->setButtonSymbols(QAbstractSpinBox::NoButtons);
    ui->sec_enddateButton->hide();
    ui->sec_ackButton->hide();
    ui->prim_startCEdit->setReadOnly(product->stage != PROD_STAGE_PRIMARY);
    ui->prim_startCEdit->setButtonSymbols((product->stage == PROD_STAGE_PRIMARY) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    ui->prim_maxCEdit->setReadOnly(product->stage != PROD_STAGE_PRIMARY);
    ui->prim_maxCEdit->setButtonSymbols((product->stage == PROD_STAGE_PRIMARY) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    ui->prim_endCEdit->setReadOnly(product->stage != PROD_STAGE_PRIMARY);
    ui->prim_endCEdit->setButtonSymbols((product->stage == PROD_STAGE_PRIMARY) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    ui->prim_endsgEdit->setReadOnly(product->stage != PROD_STAGE_PRIMARY);
    ui->prim_endsgEdit->setButtonSymbols((product->stage == PROD_STAGE_PRIMARY) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    if (product->stage == PROD_STAGE_PRIMARY)
	ui->prim_endsgButton->show();
    else
	ui->prim_endsgButton->hide();
    if ((product->primary_start_temp > 0) && (product->primary_max_temp > 0) && (product->primary_end_temp > 0) &&
	(product->primary_end_sg > 0.980) && (product->stage == PROD_STAGE_PRIMARY)) {
	ui->prim_enddateEdit->setReadOnly(false);
	ui->prim_enddateEdit->setButtonSymbols(QAbstractSpinBox::UpDownArrows);
	ui->prim_enddateEdit->setMinimumDate(product->brew_date_end.date());
        ui->prim_enddateEdit->setMaximumDate(QDate::currentDate());
	ui->prim_enddateButton->show();
	if (product->primary_end_date.isValid()) {
	    ui->prim_ackButton->show();
	}
    }
    ui->sec_tempEdit->setReadOnly(product->stage != PROD_STAGE_SECONDARY);
    ui->sec_tempEdit->setButtonSymbols((product->stage == PROD_STAGE_SECONDARY) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    ui->sec_sgEdit->setReadOnly(product->stage != PROD_STAGE_SECONDARY);
    ui->sec_sgEdit->setButtonSymbols((product->stage == PROD_STAGE_SECONDARY) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    if (product->stage == PROD_STAGE_SECONDARY)
        ui->sec_sgButton->show();
    else
        ui->sec_sgButton->hide();
    if ((product->secondary_end_sg > 0.980) && (product->secondary_temp > 0) && (product->stage == PROD_STAGE_SECONDARY)) {
	ui->sec_enddateEdit->setReadOnly(false);
    	ui->sec_enddateEdit->setButtonSymbols(QAbstractSpinBox::UpDownArrows);
	ui->sec_enddateEdit->setMinimumDate(product->primary_end_date.addDays(-1));	// Allow same date as primary end.
	ui->sec_enddateEdit->setMaximumDate(QDate::currentDate());
    	ui->sec_enddateButton->show();
	if (product->secondary_end_date.isValid()) {
	    ui->sec_ackButton->show();
	}
    }
    ui->tert_tempEdit->setReadOnly(product->stage != PROD_STAGE_TERTIARY);
    ui->tert_tempEdit->setButtonSymbols((product->stage == PROD_STAGE_TERTIARY) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    ui->tert_sgEdit->setReadOnly(product->stage != PROD_STAGE_TERTIARY);
    ui->tert_sgEdit->setButtonSymbols((product->stage == PROD_STAGE_TERTIARY) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    if (product->stage == PROD_STAGE_TERTIARY)
        ui->tert_sgButton->show();
    else
        ui->tert_sgButton->hide();

    /* Tab 11, packaging */
    ui->tabWidget->setTabEnabled(10, stage > PROD_STAGE_PLAN);
    bool pack = ((stage > PROD_STAGE_PLAN) && (stage <= PROD_STAGE_PACKAGE)) ? true:false;
    ui->pack_volumeEdit->setReadOnly(! pack);
    ui->pack_volumeEdit->setButtonSymbols((pack) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    ui->pack_phEdit->setReadOnly(! pack);
    ui->pack_phEdit->setButtonSymbols((pack) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    ui->pack_addvolEdit->setReadOnly(! pack);
    ui->pack_addvolEdit->setButtonSymbols((pack) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    ui->pack_addabvEdit->setReadOnly(! pack);
    ui->pack_addabvEdit->setButtonSymbols((pack) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    ui->pack_notesEdit->setReadOnly(! pack);
    ui->bottle_volumeEdit->setReadOnly(! pack);
    ui->bottle_volumeEdit->setButtonSymbols((pack) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    ui->bottle_carbEdit->setReadOnly(! pack);
    ui->bottle_carbEdit->setButtonSymbols((pack) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    ui->bottle_sugarEdit->setDisabled(! pack);
    ui->bottle_sug_waterEdit->setReadOnly(! pack);
    ui->bottle_sug_waterEdit->setButtonSymbols((pack) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    ui->bottle_tempEdit->setReadOnly(! pack);
    ui->bottle_tempEdit->setButtonSymbols((pack) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    ui->keg_volumeEdit->setReadOnly(! pack);
    ui->keg_volumeEdit->setButtonSymbols((pack) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    ui->keg_carbEdit->setReadOnly(! pack);
    ui->keg_carbEdit->setButtonSymbols((pack) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    ui->keg_sugarEdit->setDisabled(! pack);
    ui->keg_sug_waterEdit->setReadOnly(! pack);
    ui->keg_sug_waterEdit->setButtonSymbols((pack) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    ui->keg_tempEdit->setReadOnly(! pack);
    ui->keg_tempEdit->setButtonSymbols((pack) ? QAbstractSpinBox::UpDownArrows : QAbstractSpinBox::NoButtons);
    ui->keg_forcedEdit->setDisabled(! pack);
    ui->pack_dateEdit->setReadOnly(true);
    ui->pack_dateEdit->setButtonSymbols(QAbstractSpinBox::NoButtons);
    ui->pack_dateButton->hide();
    ui->pack_ackButton->hide();
    if (((stage == PROD_STAGE_TERTIARY) || (stage == PROD_STAGE_PACKAGE)) &&
	 (product->package_volume > 1) && ((product->bottle_amount + product->keg_amount) > 1)) {
	ui->pack_dateEdit->setReadOnly(false);
        ui->pack_dateEdit->setButtonSymbols(QAbstractSpinBox::UpDownArrows);
	ui->pack_dateEdit->setMinimumDate(product->secondary_end_date.addDays(-1));     // Allow same date as secondary end.
        ui->pack_dateEdit->setMaximumDate(QDate::currentDate());
        ui->pack_dateButton->show();
	if (stage == PROD_STAGE_PACKAGE)
	    ui->pack_ackButton->show();
    }

    /* Tab 12, tasting */
    ui->tabWidget->setTabEnabled(11, stage > PROD_STAGE_PACKAGE);
    ui->taste_dateEdit->setEnabled(stage == PROD_STAGE_TASTE);
    if (stage == PROD_STAGE_TASTE) {
	ui->taste_dateEdit->setMinimumDate(product->package_date.addDays(41));
	ui->taste_dateEdit->setMaximumDate(QDate::currentDate());
    }
    ui->taste_dateButton->setEnabled(stage == PROD_STAGE_TASTE);
    ui->taste_colorEdit->setEnabled(stage == PROD_STAGE_TASTE);
    ui->taste_transparencyEdit->setEnabled(stage == PROD_STAGE_TASTE);
    ui->taste_headEdit->setEnabled(stage == PROD_STAGE_TASTE);
    ui->taste_aromaEdit->setEnabled(stage == PROD_STAGE_TASTE);
    ui->taste_tasteEdit->setEnabled(stage == PROD_STAGE_TASTE);
    ui->taste_mouthfeelEdit->setEnabled(stage == PROD_STAGE_TASTE);
    ui->taste_aftertasteEdit->setEnabled(stage == PROD_STAGE_TASTE);
    ui->taste_notesEdit->setEnabled(stage == PROD_STAGE_TASTE);
    ui->taste_rateEdit->setEnabled(stage == PROD_STAGE_TASTE);
    if ((product->taste_color != "") && (product->taste_transparency != "") && (product->taste_head != "") &&
	(product->taste_aroma != "") && (product->taste_taste != "") && (product->taste_mouthfeel != "") &&
	(product->taste_aftertaste != "") && (product->taste_notes != "") && (product->taste_rate > 0) &&
	(product->taste_date.isValid() && (stage == PROD_STAGE_TASTE)))
	ui->taste_ackButton->show();
    else
	ui->taste_ackButton->hide();
}