diff -r eb6c564192f4 -r 75d11cc05ce4 src/EditProfileFerment.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/EditProfileFerment.cpp	Wed Mar 16 21:26:31 2022 +0100
@@ -0,0 +1,449 @@
+/**
+ * EditProfileFerment.cpp is part of bmsapp.
+ *
+ * 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/>.
+ */
+#include "EditProfileFerment.h"
+#include "../ui/ui_EditProfileFerment.h"
+#include "bmsapp.h"
+
+
+EditProfileFerment::EditProfileFerment(int id, QWidget *parent) : QDialog(parent), ui(new Ui::EditProfileFerment)
+{
+    QSqlQuery query;
+
+    qDebug() << "EditProfileFerment record:" << id;
+    ui->setupUi(this);
+    this->recno = id;
+
+    ui->sensorEdit->addItem(tr("Beer"));
+    ui->sensorEdit->addItem(tr("Fridge"));
+
+    if (id >= 0) {
+        query.prepare("SELECT * FROM profile_fermentation WHERE record = :recno");
+        query.bindValue(":recno", id);
+        query.exec();
+        query.next();
+
+        ui->nameEdit->setText(query.value(2).toString());
+	ui->temploEdit->setValue(query.value(3).toDouble());
+	ui->temphiEdit->setValue(query.value(4).toDouble());
+	ui->sensorEdit->setCurrentIndex(query.value(5).toInt());
+
+	QJsonParseError parseError;
+        const auto& json = query.value(8).toString();
+
+        if (!json.trimmed().isEmpty()) {
+            const auto& formattedJson = QString("%1").arg(json);
+            this->steps = QJsonDocument::fromJson(formattedJson.toUtf8(),  &parseError);
+
+            if (parseError.error != QJsonParseError::NoError)
+                qDebug() << "Parse error: " << parseError.errorString() << "at" << parseError.offset ;
+	}
+
+    } else {
+        /* Set some defaults */
+	const auto& formattedJson = QString("[]");
+	this->steps = QJsonDocument::fromJson(formattedJson.toUtf8());
+    }
+
+    connect(ui->nameEdit, &QLineEdit::textChanged, this, &EditProfileFerment::is_changed);
+    connect(ui->temploEdit, &QDoubleSpinBox::textChanged, this, &EditProfileFerment::templo_changed);
+    connect(ui->temphiEdit, &QDoubleSpinBox::textChanged, this, &EditProfileFerment::temphi_changed);
+    connect(ui->sensorEdit, &QComboBox::currentTextChanged, this, &EditProfileFerment::is_changed);
+    connect(ui->stepsTable, SIGNAL(cellChanged(int, int)), this, SLOT(cell_Changed(int, int)));
+
+    ui->saveButton->setEnabled(false);
+    ui->deleteButton->setEnabled((id >= 0) ? true:false);
+
+    emit refreshTable();
+
+    WindowTitle();
+}
+
+
+void EditProfileFerment::refreshTable()
+{
+    QString w;
+    QWidget* pWidget;
+    QHBoxLayout* pLayout;
+    double  d;
+
+//    qDebug() << "refreshTable" << this->steps << this->steps.isArray() << this->steps.array().size() ;
+    /*
+     * During filling the table turn off the cellChanged signal because every cell that is filled
+     * triggers the cellChanged signal. The QTableWidget has no better signal to use.
+     */
+    this->ignoreChanges = true;
+
+    const QStringList labels({tr("Step name"), tr("Start °C"), tr("End °C"), tr("Sensor"), tr("Ramp time"), tr("Rest time"), tr("Button")});
+    ui->stepsTable->setColumnCount(7);
+    ui->stepsTable->setColumnWidth(0, 248);	/* Step name	*/
+    ui->stepsTable->setColumnWidth(1,  75);	/* Start temp	*/
+    ui->stepsTable->setColumnWidth(2,  75);	/* End temp	*/
+    ui->stepsTable->setColumnWidth(3, 120);	/* Sensor	*/
+    ui->stepsTable->setColumnWidth(4,  85);	/* Ramp time	*/
+    ui->stepsTable->setColumnWidth(5,  85);	/* Rest time	*/
+    ui->stepsTable->setColumnWidth(6,  80);	/* Button	*/
+    ui->stepsTable->setHorizontalHeaderLabels(labels);
+    ui->stepsTable->verticalHeader()->hide();
+    ui->stepsTable->setRowCount(this->steps.array().size());
+
+    totalsteps = 0;
+    duration = 0;
+
+    if (this->steps.isArray()) {
+	totalsteps = this->steps.array().size();
+	for (int i = 0; i < this->steps.array().size(); i++) {
+	    QJsonObject obj = this->steps.array().at(i).toObject();
+
+	    ui->stepsTable->setItem(i, 0, new QTableWidgetItem(obj["name"].toString()));
+
+	    /* Numbers can be double quoted or not, the old application could do this wrong. */
+	    if (obj["target_lo"].isString())
+		d = QString(obj["target_lo"].toString()).toDouble();
+	    else
+		d = obj["target_lo"].toDouble();
+	    w = QString("%1").arg(d, 2, 'f', 1, '0');
+	    QTableWidgetItem *item = new QTableWidgetItem(w);
+            item->setTextAlignment(Qt::AlignCenter|Qt::AlignVCenter);
+	    ui->stepsTable->setItem(i, 1, item);
+
+	    if (obj["target_hi"].isString())
+                d = QString(obj["target_hi"].toString()).toDouble();
+            else
+                d = obj["target_hi"].toDouble();
+            w = QString("%1").arg(d, 2, 'f', 1, '0');
+            item = new QTableWidgetItem(w);
+            item->setTextAlignment(Qt::AlignCenter|Qt::AlignVCenter);
+            ui->stepsTable->setItem(i, 2, item);
+
+	    /* Adding fridgemode 0, 1 as combobox. */
+            QComboBox* myComboBox = new QComboBox();
+            myComboBox->addItem(tr("Beer"));
+            myComboBox->addItem(tr("Fridge"));
+            ui->stepsTable->setCellWidget(i, 3, myComboBox);
+
+            if (obj["fridgemode"].isString()) {
+                d = QString(obj["fridgemode"].toString()).toDouble();
+	    } else {
+                d = obj["fridgemode"].toDouble();
+	    }
+
+            myComboBox->setCurrentIndex((int)d);
+            connect<void(QComboBox::*)(int)>(myComboBox, &QComboBox::currentIndexChanged, this, &EditProfileFerment::combo_Changed);
+
+	    if (obj["steptime"].isString())
+                d = QString(obj["steptime"].toString()).toDouble();
+            else
+                d = obj["steptime"].toDouble();
+            w = QString("%1").arg(d, 1, 'f', 0, '0');
+            item = new QTableWidgetItem(w);
+            item->setTextAlignment(Qt::AlignCenter|Qt::AlignVCenter);
+            ui->stepsTable->setItem(i, 4, item);
+	    duration += (int)d;
+
+	    if (obj["resttime"].isString())
+                d = QString(obj["resttime"].toString()).toDouble();
+            else
+                d = obj["resttime"].toDouble();
+            w = QString("%1").arg(d, 1, 'f', 0, '0');
+            item = new QTableWidgetItem(w);
+            item->setTextAlignment(Qt::AlignCenter|Qt::AlignVCenter);
+            ui->stepsTable->setItem(i, 5, item);
+	    duration += (int)d;
+
+	    /* Add the Delete row button */
+            pWidget = new QWidget();
+            QPushButton* btn_edit = new QPushButton();
+            btn_edit->setObjectName(QString("%1").arg(i));  /* Send row with the button */
+            btn_edit->setText(tr("Delete"));
+            connect(btn_edit, SIGNAL(clicked()), this, SLOT(on_deleteRow_clicked()));
+            pLayout = new QHBoxLayout(pWidget);
+            pLayout->addWidget(btn_edit);
+            pLayout->setContentsMargins(5, 0, 5, 0);
+            pWidget->setLayout(pLayout);
+            ui->stepsTable->setCellWidget(i, 6, pWidget);
+	}
+    }
+
+    /* Show the calculated total fermentation time. */
+    ui->totalEdit->setText(Utils::hours_to_string(duration));
+    this->ignoreChanges = false;
+}
+
+
+EditProfileFerment::~EditProfileFerment()
+{
+    qDebug() << "EditProfileFerment done";
+    delete ui;
+    emit entry_changed();
+}
+
+
+/*
+ * Window header, mark any change with '**'
+ */
+void EditProfileFerment::WindowTitle()
+{
+    QString txt;
+
+    if (this->recno < 0) {
+	txt = QString(tr("BMSapp - Add new fermentation profile"));
+    } else {
+	txt = QString(tr("BMSapp - Edit fermentation profile %1").arg(this->recno));
+    }
+
+    if (this->textIsChanged) {
+	txt.append((QString(" **")));
+    }
+    setWindowTitle(txt);
+}
+
+
+void EditProfileFerment::on_saveButton_clicked()
+{
+    QSqlQuery query;
+
+    /* If there are errors in the form, show a message and do "return;" */
+    if (ui->nameEdit->text().length() < 2) {
+	QMessageBox::warning(this, tr("Edit Ferment"), tr("Name empty or too short."));
+	return;
+    }
+
+    if (this->textIsChanged) {
+    	if (this->recno == -1) {
+    	    query.prepare("INSERT INTO profile_fermentation SET name=:name, inittemp_lo=:templo, "
+		"inittemp_hi=:temphi, fridgemode=:fridgemode, totalsteps=:totalsteps, duration=:duration, "
+		"steps=:steps, uuid = :uuid");
+    	} else {
+	    query.prepare("UPDATE profile_fermentation SET name=:name, inittemp_lo=:templo, "
+		"inittemp_hi=:temphi, fridgemode=:fridgemode, totalsteps=:totalsteps, duration=:duration, "
+                "steps=:steps WHERE record = :recno");
+    	}
+	query.bindValue(":name", ui->nameEdit->text());
+	query.bindValue(":templo", QString("%1").arg(ui->temploEdit->value(), 2, 'f', 1, '0'));
+	query.bindValue(":temphi", QString("%1").arg(ui->temphiEdit->value(), 2, 'f', 1, '0'));
+	query.bindValue(":fridgemode", ui->sensorEdit->currentIndex());
+	query.bindValue(":totalsteps", QString("%1").arg(totalsteps));
+	query.bindValue(":duration", QString("%1").arg(duration));
+	query.bindValue(":steps", this->steps.toJson(QJsonDocument::Compact));
+	if (this->recno == -1) {
+	    query.bindValue(":uuid", QUuid::createUuid().toString().mid(1, 36));
+	} else {
+	    query.bindValue(":recno", this->recno);
+	}
+	query.exec();
+	if (query.lastError().isValid()) {
+	    qDebug() << "EditProfileFerment" << query.lastError();
+	    QMessageBox::warning(this, tr("Database error"),
+                        tr("MySQL error: %1\n%2\n%3")
+                        .arg(query.lastError().nativeErrorCode())
+                        .arg(query.lastError().driverText())
+                        .arg(query.lastError().databaseText()));
+	} else {
+	    qDebug() << "EditProfileFerment Saved";
+	}
+    }
+
+    ui->saveButton->setEnabled(false);
+    this->textIsChanged = false;
+    WindowTitle();
+}
+
+
+void EditProfileFerment::on_deleteButton_clicked()
+{
+    QSqlQuery query;
+
+    query.prepare("DELETE FROM profile_fermentation WHERE record = :recno");
+    query.bindValue(":recno", this->recno);
+    query.exec();
+    if (query.lastError().isValid()) {
+	qDebug() << "EditProfileFerment" << query.lastError();
+	QMessageBox::warning(this, tr("Database error"),
+                        tr("MySQL error: %1\n%2\n%3")
+                        .arg(query.lastError().nativeErrorCode())
+                        .arg(query.lastError().driverText())
+                        .arg(query.lastError().databaseText()));
+    } else {
+	qDebug() << "EditProfileFerment Deleted" << this->recno;
+    }
+
+    this->close();
+    this->setResult(1);
+}
+
+
+void EditProfileFerment::is_changed()
+{
+    ui->saveButton->setEnabled(true);
+    ui->deleteButton->setEnabled((this->recno >= 0) ? true:false);
+    this->textIsChanged = true;
+    WindowTitle();
+}
+
+
+/*
+ * Rebuild the json string from the table contents.
+ */
+void EditProfileFerment::make_Json()
+{
+    QTableWidgetItem *item;
+    QJsonArray array;
+
+    for (int i = 0; i < ui->stepsTable->rowCount(); i++) {
+
+	QJsonObject obj;
+	item = ui->stepsTable->item(i, 0);
+	obj.insert("name", item->text());
+	item = ui->stepsTable->item(i, 1);
+        obj.insert("target_lo", item->text().toDouble());
+        item = ui->stepsTable->item(i, 2);
+        obj.insert("target_hi", item->text().toDouble());
+	QWidget *widget = ui->stepsTable->cellWidget(i, 3);
+        obj.insert("fridgemode", static_cast<QComboBox*>(widget)->currentIndex() );
+	item = ui->stepsTable->item(i, 4);
+        obj.insert("steptime", item->text().toInt());
+	item = ui->stepsTable->item(i, 5);
+        obj.insert("resttime", item->text().toInt());
+//	qDebug() << "make_Json" << i << obj;
+	array.append(obj);	/* Append this object */
+    }
+
+//    qDebug() << array;
+    /* Copy to the global array and refresh */
+    this->steps.setArray(array);
+    is_changed();
+    emit refreshTable();
+}
+
+
+void EditProfileFerment::cell_Changed(int nRow, int nCol)
+{
+    QString w;
+
+    if (this->ignoreChanges)
+	return;
+
+    qDebug() << "Cell at row " + QString::number(nRow) + " column " + QString::number(nCol) + " was changed.";
+
+    /*
+     * Check the temperature ranges. Make sure that the high temperature is at least
+     * 0.1 degree higher then the low temperature.
+     */
+    if (nCol == 1) {		// Low temperature was changed
+	if (ui->stepsTable->item(nRow, 1)->text().toDouble() > (ui->stepsTable->item(nRow, 2)->text().toDouble() - 0.1)) {
+	    w = QString("%1").arg(ui->stepsTable->item(nRow, 1)->text().toDouble() + 0.1, 2, 'f', 1, '0');
+	    ui->stepsTable->setItem(nRow, 2, new QTableWidgetItem(w));
+	}
+    } else if (nCol == 2) {	// High temperature was changed
+	if (ui->stepsTable->item(nRow, 2)->text().toDouble() < (ui->stepsTable->item(nRow, 1)->text().toDouble() + 0.1)) {
+	    w = QString("%1").arg(ui->stepsTable->item(nRow, 2)->text().toDouble() - 0.1, 2, 'f', 1, '0');
+	    ui->stepsTable->setItem(nRow, 1, new QTableWidgetItem(w));
+	}
+    }
+    make_Json();
+}
+
+
+void EditProfileFerment::combo_Changed()
+{
+    make_Json();
+}
+
+
+void EditProfileFerment::templo_changed()
+{
+    if (ui->temploEdit->value() > (ui->temphiEdit->value() - 0.1))
+        ui->temphiEdit->setValue(ui->temploEdit->value() + 0.1);
+    is_changed();
+}
+
+
+void EditProfileFerment::temphi_changed()
+{
+    if (ui->temphiEdit->value() < (ui->temploEdit->value() + 0.1))
+        ui->temploEdit->setValue(ui->temphiEdit->value() - 0.1);
+    is_changed();
+}
+
+
+/*
+ * Add new row and initialize all fields.
+ */
+void EditProfileFerment::on_addButton_clicked()
+{
+    QWidget* pWidget;
+    QHBoxLayout* pLayout;
+
+    qDebug() << "Add row" << totalsteps;
+    this->ignoreChanges = true;
+    ui->stepsTable->insertRow(totalsteps);
+    ui->stepsTable->setItem(totalsteps, 0, new QTableWidgetItem(QString("new row %1").arg(totalsteps)));
+    ui->stepsTable->setItem(totalsteps, 1, new QTableWidgetItem(QString("19.8")));
+    ui->stepsTable->setItem(totalsteps, 2, new QTableWidgetItem(QString("20.0")));
+    QComboBox* myComboBox = new QComboBox();
+    myComboBox->addItem(tr("Beer"));
+    myComboBox->addItem(tr("Fridge"));
+    myComboBox->setCurrentIndex(0);
+    ui->stepsTable->setCellWidget(totalsteps, 3, myComboBox);
+    ui->stepsTable->setItem(totalsteps, 4, new QTableWidgetItem(QString("0")));
+    ui->stepsTable->setItem(totalsteps, 5, new QTableWidgetItem(QString("0")));
+
+    pWidget = new QWidget();
+    QPushButton* btn_edit = new QPushButton();
+    btn_edit->setObjectName(QString("%1").arg(totalsteps));  /* Send row with the button */
+    btn_edit->setText(tr("Delete"));
+    connect(btn_edit, SIGNAL(clicked()), this, SLOT(on_deleteRow_clicked()));
+    pLayout = new QHBoxLayout(pWidget);
+    pLayout->addWidget(btn_edit);
+    pLayout->setContentsMargins(5, 0, 5, 0);
+    pWidget->setLayout(pLayout);
+    ui->stepsTable->setCellWidget(totalsteps, 6, pWidget);
+
+    this->ignoreChanges = false;
+    make_Json();
+}
+
+
+void EditProfileFerment::on_deleteRow_clicked()
+{
+    QPushButton *pb = qobject_cast<QPushButton *>(QObject::sender());
+    int row = pb->objectName().toInt();
+    qDebug() << "Delete row" << row;
+    ui->stepsTable->removeRow(row);
+    make_Json();
+}
+
+
+void EditProfileFerment::on_quitButton_clicked()
+{
+    if (this->textIsChanged) {
+	int rc = QMessageBox::warning(this, tr("Fermentation changed"), tr("This fermentation profile has been modified. Save changes?"),
+                                QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Save);
+        switch (rc) {
+            case QMessageBox::Save:
+                        on_saveButton_clicked();
+                        break;  /* Saved and then Quit */
+            case QMessageBox::Discard:
+                        break;  /* Quit without Save */
+            case QMessageBox::Cancel:
+                        return; /* Return to the editor page */
+        }
+    }
+
+    this->close();
+    this->setResult(1);
+}