Fri, 20 Jan 2023 16:44:08 +0100
Added more buttons to the images tab. Load images from the database and display thumbnails added. Added support for jpeg files. Rename pictures in the database to .png. Added temporary images_list, images_count and images_current variables to the product record.
/** * ChartiSpindel.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 "ChartiSpindel.h" #include "callout.h" #include "MainWindow.h" ChartiSpindel::ChartiSpindel(QString code, QString name, QWidget *parent) : QDialog(parent) { QSqlQuery query; double timestamp; qDebug() << "ChartiSpindel:" << code << name; QDialog* dialog = new QDialog(parent); dialog->setWindowTitle(tr("BMSapp - iSpindel ") + "\"" + name + "\""); dialog->setObjectName(QString::fromUtf8("ChartiSpindel")); dialog->setWindowFlags(Qt::Window | Qt::WindowTitleHint | Qt::CustomizeWindowHint); dialog->resize(1024, 600); QPushButton *saveButton = new QPushButton(tr("Save")); saveButton->setAutoDefault(false); QIcon icon1; icon1.addFile(QString::fromUtf8(":icons/silk/disk.png"), QSize(), QIcon::Normal, QIcon::Off); saveButton->setIcon(icon1); QDialogButtonBox *buttonBox = new QDialogButtonBox(dialog); buttonBox->setObjectName(QString::fromUtf8("buttonBox")); buttonBox->setOrientation(Qt::Vertical); buttonBox->setStandardButtons(QDialogButtonBox::Ok); buttonBox->addButton(saveButton,QDialogButtonBox::ActionRole); temperature = new QLineSeries(); density = new QLineSeries(); battery = new QLineSeries(); query.prepare("SELECT * FROM log_ispindel WHERE code=:code ORDER BY datetime"); query.bindValue(":code", code); query.exec(); while (query.next()) { timestamp = query.value("datetime").toDateTime().toSecsSinceEpoch() * 1000; temperature->append(timestamp, query.value("temperature").toDouble()); density->append(timestamp, query.value("sg").toDouble()); battery ->append(timestamp, round(query.value("battery").toDouble() * 500) / 500); } temperature->setName(tr("Temperature")); temperature->setColor(QColorConstants::Svg::red); density->setName(tr("SG")); QPen pen(QColorConstants::Svg::navy); pen.setWidth(2); density->setPen(pen); battery->setName(tr("Battery")); battery->setColor(QColorConstants::Svg::limegreen); chart = new QChart(); chart->setTitle(QString("%1 \"%2\"").arg(code).arg(name)); chart->addSeries(battery); chart->addSeries(temperature); chart->addSeries(density); QDateTimeAxis *axisX = new QDateTimeAxis; axisX->setTickCount(10); axisX->setFormat("dd MMM"); axisX->setTitleText(tr("Date")); axisX->setLabelsFont(QFont("Helvetica", 8, QFont::Normal)); chart->addAxis(axisX, Qt::AlignBottom); battery->attachAxis(axisX); temperature->attachAxis(axisX); density->attachAxis(axisX); QValueAxis *axisYT = new QValueAxis; axisYT->setTickCount(10); axisYT->setLabelFormat("%.1f"); axisYT->setTitleText(tr("Temperature °C")); axisYT->setLabelsFont(QFont("Helvetica", 8, QFont::Normal)); chart->addAxis(axisYT, Qt::AlignRight); temperature->attachAxis(axisYT); QValueAxis *axisYD = new QValueAxis; axisYD->setTickCount(10); axisYD->setLabelFormat("%.3f"); axisYD->setTitleText("SG"); axisYD->setLabelsFont(QFont("Helvetica", 8, QFont::Normal)); chart->addAxis(axisYD, Qt::AlignLeft); density->attachAxis(axisYD); QValueAxis *axisYB = new QValueAxis; axisYB->setTickCount(10); axisYB->setLabelFormat("%.2f"); axisYB->setTitleText(tr("Battery volt")); axisYB->setLabelsFont(QFont("Helvetica", 8, QFont::Normal)); chart->addAxis(axisYB, Qt::AlignRight); battery->attachAxis(axisYB); connect(temperature, &QLineSeries::hovered, this, &ChartiSpindel::tooltip); connect(density, &QLineSeries::hovered, this, &ChartiSpindel::tooltip); connect(battery, &QLineSeries::hovered, this, &ChartiSpindel::tooltip); chartView = new QChartView(chart); chartView->setRenderHint(QPainter::Antialiasing); dialog->setLayout(new QHBoxLayout); dialog->layout()->addWidget(chartView); dialog->layout()->addWidget(buttonBox); QObject::connect(buttonBox, SIGNAL(accepted()), dialog, SLOT(accept())); QObject::connect(buttonBox, SIGNAL(rejected()), dialog, SLOT(reject())); QObject::connect(saveButton, SIGNAL(clicked()), this, SLOT(savePNG())); dialog->setModal(true); dialog->exec(); } ChartiSpindel::~ChartiSpindel() {} void ChartiSpindel::savePNG() { QString path = QFileDialog::getSaveFileName(this, tr("Save Image"), QDir::homePath() + "/ispindel.png", tr("Image (*.png)")); if (path.isEmpty()) { QMessageBox::warning(this, tr("Save File"), tr("No image file selected.")); return; } QImage img((chartView->size()), QImage::Format_ARGB32); QPainter painter; painter.begin(&img); chartView->render(&painter); painter.setRenderHint(QPainter::Antialiasing); painter.end(); img.save(path); } void ChartiSpindel::tooltip(QPointF point, bool state) { QAbstractSeries *series = qobject_cast<QAbstractSeries *>(sender()); if (t_tooltip == 0) t_tooltip = new Callout(chart, series); if (state) { QDateTime timeis = QDateTime::fromMSecsSinceEpoch(point.x()); t_tooltip->setSeries(series); if (series == temperature) t_tooltip->setText(QString(tr("%1\nTemperature %2°C")).arg(timeis.toString("dd-MM-yyyy hh:mm")).arg(point.y(), 2, 'f', 1)); else if (series == density) t_tooltip->setText(QString(tr("%1\nDensity %2 SG")).arg(timeis.toString("dd-MM-yyyy hh:mm")).arg(point.y(), 5, 'f', 4)); else if (series == battery) t_tooltip->setText(QString(tr("%1\nBattery %2 volt")).arg(timeis.toString("dd-MM-yyyy hh:mm")).arg(point.y(), 3, 'f', 2)); t_tooltip->setAnchor(point); t_tooltip->setZValue(11); t_tooltip->updateGeometry(); t_tooltip->show(); } else { t_tooltip->hide(); } }