VisualizationGraphWidget.cpp
412 lines
| 17.0 KiB
| text/x-c
|
CppLexer
| r95 | #include "Visualization/VisualizationGraphWidget.h" | |||
Alexandre Leroux
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r207 | #include "Visualization/IVisualizationWidgetVisitor.h" | ||
| r243 | #include "Visualization/VisualizationGraphHelper.h" | |||
| r58 | #include "ui_VisualizationGraphWidget.h" | |||
| r235 | #include <Data/ArrayData.h> | |||
| #include <Data/IDataSeries.h> | ||||
|
Alexandre Leroux
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r470 | #include <Settings/SqpSettingsDefs.h> | ||
| r235 | #include <SqpApplication.h> | |||
| r118 | #include <Variable/Variable.h> | |||
| r235 | #include <Variable/VariableController.h> | |||
| r118 | #include <unordered_map> | |||
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r219 | Q_LOGGING_CATEGORY(LOG_VisualizationGraphWidget, "VisualizationGraphWidget") | ||
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r179 | namespace { | ||
| /// Key pressed to enable zoom on horizontal axis | ||||
| const auto HORIZONTAL_ZOOM_MODIFIER = Qt::NoModifier; | ||||
| /// Key pressed to enable zoom on vertical axis | ||||
| const auto VERTICAL_ZOOM_MODIFIER = Qt::ControlModifier; | ||||
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r470 | /// Gets a tolerance value from application settings. If the setting can't be found, the default | ||
| /// value passed in parameter is returned | ||||
| double toleranceValue(const QString &key, double defaultValue) noexcept | ||||
| { | ||||
| return QSettings{}.value(key, defaultValue).toDouble(); | ||||
| } | ||||
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r179 | } // namespace | ||
| r118 | struct VisualizationGraphWidget::VisualizationGraphWidgetPrivate { | |||
| r447 | explicit VisualizationGraphWidgetPrivate() : m_DoSynchronize{true}, m_IsCalibration{false} {} | |||
| r445 | ||||
| // Return the operation when range changed | ||||
| VisualizationGraphWidgetZoomType getZoomType(const QCPRange &t1, const QCPRange &t2); | ||||
| r444 | ||||
| r118 | // 1 variable -> n qcpplot | |||
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r270 | std::multimap<std::shared_ptr<Variable>, QCPAbstractPlottable *> m_VariableToPlotMultiMap; | ||
| r444 | ||||
| bool m_DoSynchronize; | ||||
| r445 | bool m_IsCalibration; | |||
| r118 | }; | |||
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r205 | VisualizationGraphWidget::VisualizationGraphWidget(const QString &name, QWidget *parent) | ||
| r120 | : QWidget{parent}, | |||
| ui{new Ui::VisualizationGraphWidget}, | ||||
| r118 | impl{spimpl::make_unique_impl<VisualizationGraphWidgetPrivate>()} | |||
| r58 | { | |||
| ui->setupUi(this); | ||||
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r178 | |||
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r266 | ui->graphNameLabel->setText(name); | ||
| // 'Close' options : widget is deleted when closed | ||||
| setAttribute(Qt::WA_DeleteOnClose); | ||||
| connect(ui->closeButton, &QToolButton::clicked, this, &VisualizationGraphWidget::close); | ||||
| ui->closeButton->setIcon(sqpApp->style()->standardIcon(QStyle::SP_TitleBarCloseButton)); | ||||
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r196 | |||
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r178 | // Set qcpplot properties : | ||
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r180 | // - Drag (on x-axis) and zoom are enabled | ||
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r179 | // - Mouse wheel on qcpplot is intercepted to determine the zoom orientation | ||
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r178 | ui->widget->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom); | ||
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r180 | ui->widget->axisRect()->setRangeDrag(Qt::Horizontal); | ||
| r445 | connect(ui->widget, &QCustomPlot::mousePress, this, &VisualizationGraphWidget::onMousePress); | |||
| connect(ui->widget, &QCustomPlot::mouseRelease, this, | ||||
| &VisualizationGraphWidget::onMouseRelease); | ||||
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r179 | connect(ui->widget, &QCustomPlot::mouseWheel, this, &VisualizationGraphWidget::onMouseWheel); | ||
| r444 | connect(ui->widget->xAxis, static_cast<void (QCPAxis::*)(const QCPRange &, const QCPRange &)>( | |||
| &QCPAxis::rangeChanged), | ||||
| r445 | this, &VisualizationGraphWidget::onRangeChanged, Qt::DirectConnection); | |||
|
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r269 | |||
| // Activates menu when right clicking on the graph | ||||
| ui->widget->setContextMenuPolicy(Qt::CustomContextMenu); | ||||
| connect(ui->widget, &QCustomPlot::customContextMenuRequested, this, | ||||
| &VisualizationGraphWidget::onGraphMenuRequested); | ||||
| r298 | ||||
| connect(this, &VisualizationGraphWidget::requestDataLoading, &sqpApp->variableController(), | ||||
| &VariableController::onRequestDataLoading); | ||||
| r58 | } | |||
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r227 | |||
| r58 | VisualizationGraphWidget::~VisualizationGraphWidget() | |||
| { | ||||
| delete ui; | ||||
| } | ||||
| r118 | ||||
| r444 | void VisualizationGraphWidget::enableSynchronize(bool enable) | |||
| { | ||||
| impl->m_DoSynchronize = enable; | ||||
| } | ||||
| r118 | void VisualizationGraphWidget::addVariable(std::shared_ptr<Variable> variable) | |||
| { | ||||
|
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r184 | // Uses delegate to create the qcpplot components according to the variable | ||
| r243 | auto createdPlottables = VisualizationGraphHelper::create(variable, *ui->widget); | |||
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r184 | |||
| for (auto createdPlottable : qAsConst(createdPlottables)) { | ||||
| r235 | impl->m_VariableToPlotMultiMap.insert({variable, createdPlottable}); | |||
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r184 | } | ||
| r235 | ||||
| r298 | connect(variable.get(), SIGNAL(updated()), this, SLOT(onDataCacheVariableUpdated())); | |||
| r118 | } | |||
| r314 | void VisualizationGraphWidget::addVariableUsingGraph(std::shared_ptr<Variable> variable) | |||
| { | ||||
| // when adding a variable, we need to set its time range to the current graph range | ||||
| auto grapheRange = ui->widget->xAxis->range(); | ||||
| auto dateTime = SqpDateTime{grapheRange.lower, grapheRange.upper}; | ||||
| variable->setDateTime(dateTime); | ||||
| auto variableDateTimeWithTolerance = dateTime; | ||||
|
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r470 | // add tolerance for each side | ||
| auto toleranceFactor | ||||
| = toleranceValue(GENERAL_TOLERANCE_AT_INIT_KEY, GENERAL_TOLERANCE_AT_INIT_DEFAULT_VALUE); | ||||
| auto tolerance = toleranceFactor * (dateTime.m_TEnd - dateTime.m_TStart); | ||||
| r314 | variableDateTimeWithTolerance.m_TStart -= tolerance; | |||
| variableDateTimeWithTolerance.m_TEnd += tolerance; | ||||
| // Uses delegate to create the qcpplot components according to the variable | ||||
| auto createdPlottables = VisualizationGraphHelper::create(variable, *ui->widget); | ||||
| for (auto createdPlottable : qAsConst(createdPlottables)) { | ||||
| impl->m_VariableToPlotMultiMap.insert({variable, createdPlottable}); | ||||
| } | ||||
| connect(variable.get(), SIGNAL(updated()), this, SLOT(onDataCacheVariableUpdated())); | ||||
| // CHangement detected, we need to ask controller to request data loading | ||||
| emit requestDataLoading(variable, variableDateTimeWithTolerance); | ||||
| } | ||||
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r270 | void VisualizationGraphWidget::removeVariable(std::shared_ptr<Variable> variable) noexcept | ||
| { | ||||
|
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r271 | // Each component associated to the variable : | ||
| // - is removed from qcpplot (which deletes it) | ||||
| // - is no longer referenced in the map | ||||
| auto componentsIt = impl->m_VariableToPlotMultiMap.equal_range(variable); | ||||
| for (auto it = componentsIt.first; it != componentsIt.second;) { | ||||
| ui->widget->removePlottable(it->second); | ||||
| it = impl->m_VariableToPlotMultiMap.erase(it); | ||||
| } | ||||
| // Updates graph | ||||
| ui->widget->replot(); | ||||
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r270 | } | ||
| r438 | void VisualizationGraphWidget::setRange(std::shared_ptr<Variable> variable, | |||
| const SqpDateTime &range) | ||||
| { | ||||
| r447 | // Note: in case of different axes that depends on variable, we could start with a code like | |||
| // that: | ||||
| r438 | // auto componentsIt = impl->m_VariableToPlotMultiMap.equal_range(variable); | |||
| // for (auto it = componentsIt.first; it != componentsIt.second;) { | ||||
| // } | ||||
| ui->widget->xAxis->setRange(range.m_TStart, range.m_TEnd); | ||||
| r444 | ui->widget->replot(); | |||
| } | ||||
| r447 | SqpDateTime VisualizationGraphWidget::graphRange() const noexcept | |||
| r444 | { | |||
| auto grapheRange = ui->widget->xAxis->range(); | ||||
| return SqpDateTime{grapheRange.lower, grapheRange.upper}; | ||||
| } | ||||
| void VisualizationGraphWidget::setGraphRange(const SqpDateTime &range) | ||||
| { | ||||
| r445 | qCDebug(LOG_VisualizationGraphWidget()) << tr("VisualizationGraphWidget::setGraphRange START"); | |||
| r444 | ui->widget->xAxis->setRange(range.m_TStart, range.m_TEnd); | |||
| ui->widget->replot(); | ||||
| qCDebug(LOG_VisualizationGraphWidget()) << tr("VisualizationGraphWidget::setGraphRange END"); | ||||
| r438 | } | |||
|
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r207 | void VisualizationGraphWidget::accept(IVisualizationWidgetVisitor *visitor) | ||
| r118 | { | |||
|
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r208 | if (visitor) { | ||
| visitor->visit(this); | ||||
| } | ||||
|
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r219 | else { | ||
| qCCritical(LOG_VisualizationGraphWidget()) | ||||
| << tr("Can't visit widget : the visitor is null"); | ||||
| } | ||||
| r118 | } | |||
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r209 | bool VisualizationGraphWidget::canDrop(const Variable &variable) const | ||
| { | ||||
| /// @todo : for the moment, a graph can always accomodate a variable | ||||
| Q_UNUSED(variable); | ||||
| return true; | ||||
| } | ||||
|
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r327 | bool VisualizationGraphWidget::contains(const Variable &variable) const | ||
| { | ||||
| // Finds the variable among the keys of the map | ||||
| auto variablePtr = &variable; | ||||
| auto findVariable | ||||
| = [variablePtr](const auto &entry) { return variablePtr == entry.first.get(); }; | ||||
| auto end = impl->m_VariableToPlotMultiMap.cend(); | ||||
| auto it = std::find_if(impl->m_VariableToPlotMultiMap.cbegin(), end, findVariable); | ||||
| return it != end; | ||||
| } | ||||
| r119 | QString VisualizationGraphWidget::name() const | |||
| r118 | { | |||
|
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r266 | return ui->graphNameLabel->text(); | ||
| r118 | } | |||
|
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r269 | void VisualizationGraphWidget::onGraphMenuRequested(const QPoint &pos) noexcept | ||
| r118 | { | |||
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r269 | QMenu graphMenu{}; | ||
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r270 | // Iterates on variables (unique keys) | ||
| for (auto it = impl->m_VariableToPlotMultiMap.cbegin(), | ||||
| end = impl->m_VariableToPlotMultiMap.cend(); | ||||
| it != end; it = impl->m_VariableToPlotMultiMap.upper_bound(it->first)) { | ||||
| // 'Remove variable' action | ||||
| graphMenu.addAction(tr("Remove variable %1").arg(it->first->name()), | ||||
| [ this, var = it->first ]() { removeVariable(var); }); | ||||
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r196 | } | ||
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r269 | |||
| if (!graphMenu.isEmpty()) { | ||||
| graphMenu.exec(mapToGlobal(pos)); | ||||
|
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r196 | } | ||
| r118 | } | |||
|
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r179 | |||
| r444 | void VisualizationGraphWidget::onRangeChanged(const QCPRange &t1, const QCPRange &t2) | |||
|
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r227 | { | ||
| r471 | qCInfo(LOG_VisualizationGraphWidget()) << tr("VisualizationGraphWidget::onRangeChanged") | |||
| << QThread::currentThread()->objectName(); | ||||
| r444 | ||||
| auto dateTimeRange = SqpDateTime{t1.lower, t1.upper}; | ||||
| r235 | ||||
| r445 | auto zoomType = impl->getZoomType(t1, t2); | |||
| r235 | for (auto it = impl->m_VariableToPlotMultiMap.cbegin(); | |||
| it != impl->m_VariableToPlotMultiMap.cend(); ++it) { | ||||
| r258 | ||||
| r235 | auto variable = it->first; | |||
| r444 | auto currentDateTime = dateTimeRange; | |||
| r235 | ||||
|
Alexandre Leroux
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r470 | auto toleranceFactor = toleranceValue(GENERAL_TOLERANCE_AT_UPDATE_KEY, | ||
| GENERAL_TOLERANCE_AT_UPDATE_DEFAULT_VALUE); | ||||
| r444 | auto tolerance = toleranceFactor * (currentDateTime.m_TEnd - currentDateTime.m_TStart); | |||
| auto variableDateTimeWithTolerance = currentDateTime; | ||||
| r433 | variableDateTimeWithTolerance.m_TStart -= tolerance; | |||
| variableDateTimeWithTolerance.m_TEnd += tolerance; | ||||
| r444 | qCDebug(LOG_VisualizationGraphWidget()) << "r" << currentDateTime; | |||
| qCDebug(LOG_VisualizationGraphWidget()) << "t" << variableDateTimeWithTolerance; | ||||
| qCDebug(LOG_VisualizationGraphWidget()) << "v" << variable->dateTime(); | ||||
| r433 | // If new range with tol is upper than variable datetime parameters. we need to request new | |||
| // data | ||||
| if (!variable->contains(variableDateTimeWithTolerance)) { | ||||
| r258 | ||||
| r444 | auto variableDateTimeWithTolerance = currentDateTime; | |||
| if (!variable->isInside(currentDateTime)) { | ||||
| r258 | auto variableDateTime = variable->dateTime(); | |||
| r444 | if (variable->contains(variableDateTimeWithTolerance)) { | |||
| r445 | qCDebug(LOG_VisualizationGraphWidget()) | |||
| r444 | << tr("TORM: Detection zoom in that need request:"); | |||
|
Alexandre Leroux
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r460 | // add tolerance for each side | ||
| r444 | tolerance | |||
| = toleranceFactor * (currentDateTime.m_TEnd - currentDateTime.m_TStart); | ||||
| variableDateTimeWithTolerance.m_TStart -= tolerance; | ||||
| variableDateTimeWithTolerance.m_TEnd += tolerance; | ||||
| } | ||||
| else if (variableDateTime.m_TStart < currentDateTime.m_TStart) { | ||||
| qCInfo(LOG_VisualizationGraphWidget()) << tr("TORM: Detection pan to right:"); | ||||
| r263 | ||||
| r444 | auto diffEndToKeepDelta = currentDateTime.m_TEnd - variableDateTime.m_TEnd; | |||
| currentDateTime.m_TStart = variableDateTime.m_TStart + diffEndToKeepDelta; | ||||
| r263 | // Tolerance have to be added to the right | |||
| r438 | // add tolerance for right (end) side | |||
| r444 | tolerance | |||
| = toleranceFactor * (currentDateTime.m_TEnd - currentDateTime.m_TStart); | ||||
| r260 | variableDateTimeWithTolerance.m_TEnd += tolerance; | |||
| r258 | } | |||
| r444 | else if (variableDateTime.m_TEnd > currentDateTime.m_TEnd) { | |||
| r445 | qCDebug(LOG_VisualizationGraphWidget()) << tr("TORM: Detection pan to left: "); | |||
| r444 | auto diffStartToKeepDelta | |||
| = variableDateTime.m_TStart - currentDateTime.m_TStart; | ||||
| currentDateTime.m_TEnd = variableDateTime.m_TEnd - diffStartToKeepDelta; | ||||
| r263 | // Tolerance have to be added to the left | |||
| r438 | // add tolerance for left (start) side | |||
| r444 | tolerance | |||
| = toleranceFactor * (currentDateTime.m_TEnd - currentDateTime.m_TStart); | ||||
| r260 | variableDateTimeWithTolerance.m_TStart -= tolerance; | |||
| r258 | } | |||
| r318 | else { | |||
| r445 | qCCritical(LOG_VisualizationGraphWidget()) | |||
| r318 | << tr("Detection anormal zoom detection: "); | |||
| } | ||||
| r258 | } | |||
| else { | ||||
| r445 | qCDebug(LOG_VisualizationGraphWidget()) << tr("TORM: Detection zoom out: "); | |||
|
Alexandre Leroux
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r460 | // add tolerance for each side | ||
| r444 | tolerance = toleranceFactor * (currentDateTime.m_TEnd - currentDateTime.m_TStart); | |||
| r260 | variableDateTimeWithTolerance.m_TStart -= tolerance; | |||
| variableDateTimeWithTolerance.m_TEnd += tolerance; | ||||
| r444 | zoomType = VisualizationGraphWidgetZoomType::ZoomOut; | |||
| r258 | } | |||
| r433 | if (!variable->contains(dateTimeRange)) { | |||
| r445 | qCDebug(LOG_VisualizationGraphWidget()) | |||
| r444 | << "TORM: Modif on variable datetime detected" << currentDateTime; | |||
| variable->setDateTime(currentDateTime); | ||||
| r433 | } | |||
| r260 | ||||
| r445 | qCDebug(LOG_VisualizationGraphWidget()) << tr("TORM: Request data detection: "); | |||
| r260 | // CHangement detected, we need to ask controller to request data loading | |||
| r298 | emit requestDataLoading(variable, variableDateTimeWithTolerance); | |||
| r235 | } | |||
| r318 | else { | |||
| r444 | qCInfo(LOG_VisualizationGraphWidget()) | |||
| << tr("TORM: Detection zoom in that doesn't need request: "); | ||||
| zoomType = VisualizationGraphWidgetZoomType::ZoomIn; | ||||
| r318 | } | |||
|
Alexandre Leroux
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r227 | } | ||
| r444 | ||||
| r445 | if (impl->m_DoSynchronize && !impl->m_IsCalibration) { | |||
| r444 | auto oldDateTime = SqpDateTime{t2.lower, t2.upper}; | |||
| qCDebug(LOG_VisualizationGraphWidget()) | ||||
| << tr("TORM: VisualizationGraphWidget::Synchronize notify !!") | ||||
| << QThread::currentThread()->objectName(); | ||||
| emit synchronize(dateTimeRange, oldDateTime, zoomType); | ||||
| } | ||||
|
Alexandre Leroux
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r227 | } | ||
|
Alexandre Leroux
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r179 | void VisualizationGraphWidget::onMouseWheel(QWheelEvent *event) noexcept | ||
| { | ||||
| auto zoomOrientations = QFlags<Qt::Orientation>{}; | ||||
| r260 | // Lambda that enables a zoom orientation if the key modifier related to this orientation | |||
| // has | ||||
|
Alexandre Leroux
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r179 | // been pressed | ||
| auto enableOrientation | ||||
| = [&zoomOrientations, event](const auto &orientation, const auto &modifier) { | ||||
| auto orientationEnabled = event->modifiers().testFlag(modifier); | ||||
| zoomOrientations.setFlag(orientation, orientationEnabled); | ||||
| }; | ||||
| enableOrientation(Qt::Vertical, VERTICAL_ZOOM_MODIFIER); | ||||
| enableOrientation(Qt::Horizontal, HORIZONTAL_ZOOM_MODIFIER); | ||||
| ui->widget->axisRect()->setRangeZoom(zoomOrientations); | ||||
| } | ||||
| r235 | ||||
| r445 | void VisualizationGraphWidget::onMousePress(QMouseEvent *event) noexcept | |||
| { | ||||
| impl->m_IsCalibration = event->modifiers().testFlag(Qt::ControlModifier); | ||||
| } | ||||
| void VisualizationGraphWidget::onMouseRelease(QMouseEvent *event) noexcept | ||||
| { | ||||
| impl->m_IsCalibration = false; | ||||
| } | ||||
| r235 | void VisualizationGraphWidget::onDataCacheVariableUpdated() | |||
| { | ||||
| r243 | // NOTE: | |||
| r260 | // We don't want to call the method for each component of a variable unitarily, but for | |||
| // all | ||||
| r243 | // its components at once (eg its three components in the case of a vector). | |||
| // The unordered_multimap does not do this easily, so the question is whether to: | ||||
| // - use an ordered_multimap and the algos of std to group the values by key | ||||
| // - use a map (unique keys) and store as values directly the list of components | ||||
| r433 | auto grapheRange = ui->widget->xAxis->range(); | |||
| auto dateTime = SqpDateTime{grapheRange.lower, grapheRange.upper}; | ||||
| r235 | for (auto it = impl->m_VariableToPlotMultiMap.cbegin(); | |||
| it != impl->m_VariableToPlotMultiMap.cend(); ++it) { | ||||
| auto variable = it->first; | ||||
| r441 | qCDebug(LOG_VisualizationGraphWidget()) | |||
| r433 | << "TORM: VisualizationGraphWidget::onDataCacheVariableUpdated S" | |||
| << variable->dateTime(); | ||||
| r441 | qCDebug(LOG_VisualizationGraphWidget()) | |||
| r433 | << "TORM: VisualizationGraphWidget::onDataCacheVariableUpdated E" << dateTime; | |||
| if (dateTime.contains(variable->dateTime()) || dateTime.intersect(variable->dateTime())) { | ||||
| VisualizationGraphHelper::updateData(QVector<QCPAbstractPlottable *>{} << it->second, | ||||
| variable->dataSeries(), variable->dateTime()); | ||||
| } | ||||
| r235 | } | |||
| } | ||||
| r445 | ||||
| VisualizationGraphWidgetZoomType | ||||
| VisualizationGraphWidget::VisualizationGraphWidgetPrivate::getZoomType(const QCPRange &t1, | ||||
| const QCPRange &t2) | ||||
| { | ||||
| // t1.lower <= t2.lower && t2.upper <= t1.upper | ||||
| auto zoomType = VisualizationGraphWidgetZoomType::Unknown; | ||||
| if (t1.lower <= t2.lower && t2.upper <= t1.upper) { | ||||
| zoomType = VisualizationGraphWidgetZoomType::ZoomOut; | ||||
| } | ||||
| else if (t1.lower > t2.lower && t1.upper > t2.upper) { | ||||
| zoomType = VisualizationGraphWidgetZoomType::PanRight; | ||||
| } | ||||
| else if (t1.lower < t2.lower && t1.upper < t2.upper) { | ||||
| zoomType = VisualizationGraphWidgetZoomType::PanLeft; | ||||
| } | ||||
| else if (t1.lower > t2.lower && t2.upper > t1.upper) { | ||||
| zoomType = VisualizationGraphWidgetZoomType::ZoomIn; | ||||
| } | ||||
| else { | ||||
| qCCritical(LOG_VisualizationGraphWidget()) << "getZoomType: Unknown type detected"; | ||||
| } | ||||
| return zoomType; | ||||
| } | ||||
