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#include "Visualization/VisualizationZoneWidget.h"
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#include "Visualization/IVisualizationWidgetVisitor.h"
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#include "Visualization/QCustomPlotSynchronizer.h"
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#include "Visualization/VisualizationGraphWidget.h"
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#include "ui_VisualizationZoneWidget.h"
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#include <Data/SqpRange.h>
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#include <Variable/Variable.h>
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#include <Variable/VariableController.h>
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#include <DragDropHelper.h>
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#include <QUuid>
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#include <SqpApplication.h>
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#include <cmath>
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#include <QLayout>
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Q_LOGGING_CATEGORY(LOG_VisualizationZoneWidget, "VisualizationZoneWidget")
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namespace {
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/// Minimum height for graph added in zones (in pixels)
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const auto GRAPH_MINIMUM_HEIGHT = 300;
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/// Generates a default name for a new graph, according to the number of graphs already displayed in
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/// the zone
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QString defaultGraphName(const QLayout &layout)
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{
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auto count = 0;
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for (auto i = 0; i < layout.count(); ++i) {
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if (dynamic_cast<VisualizationGraphWidget *>(layout.itemAt(i)->widget())) {
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count++;
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}
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}
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return QObject::tr("Graph %1").arg(count + 1);
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}
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/**
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* Applies a function to all graphs of the zone represented by its layout
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* @param layout the layout that contains graphs
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* @param fun the function to apply to each graph
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*/
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template <typename Fun>
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void processGraphs(QLayout &layout, Fun fun)
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{
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for (auto i = 0; i < layout.count(); ++i) {
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if (auto item = layout.itemAt(i)) {
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if (auto visualizationGraphWidget
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= dynamic_cast<VisualizationGraphWidget *>(item->widget())) {
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fun(*visualizationGraphWidget);
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}
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}
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}
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}
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} // namespace
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struct VisualizationZoneWidget::VisualizationZoneWidgetPrivate {
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explicit VisualizationZoneWidgetPrivate()
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: m_SynchronisationGroupId{QUuid::createUuid()},
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m_Synchronizer{std::make_unique<QCustomPlotSynchronizer>()}
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{
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}
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QUuid m_SynchronisationGroupId;
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std::unique_ptr<IGraphSynchronizer> m_Synchronizer;
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};
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VisualizationZoneWidget::VisualizationZoneWidget(const QString &name, QWidget *parent)
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: VisualizationDragWidget{parent},
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ui{new Ui::VisualizationZoneWidget},
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impl{spimpl::make_unique_impl<VisualizationZoneWidgetPrivate>()}
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{
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ui->setupUi(this);
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ui->zoneNameLabel->setText(name);
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ui->dragDropContainer->setAcceptedMimeTypes({DragDropHelper::MIME_TYPE_GRAPH});
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connect(ui->dragDropContainer, &VisualizationDragDropContainer::dropOccured, this,
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&VisualizationZoneWidget::dropMimeData);
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// 'Close' options : widget is deleted when closed
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setAttribute(Qt::WA_DeleteOnClose);
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connect(ui->closeButton, &QToolButton::clicked, this, &VisualizationZoneWidget::close);
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ui->closeButton->setIcon(sqpApp->style()->standardIcon(QStyle::SP_TitleBarCloseButton));
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// Synchronisation id
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QMetaObject::invokeMethod(&sqpApp->variableController(), "onAddSynchronizationGroupId",
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Qt::QueuedConnection, Q_ARG(QUuid, impl->m_SynchronisationGroupId));
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}
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VisualizationZoneWidget::~VisualizationZoneWidget()
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{
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delete ui;
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}
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void VisualizationZoneWidget::addGraph(VisualizationGraphWidget *graphWidget)
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{
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// Synchronize new graph with others in the zone
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impl->m_Synchronizer->addGraph(*graphWidget);
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ui->dragDropContainer->addDragWidget(graphWidget);
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}
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void VisualizationZoneWidget::insertGraph(int index, VisualizationGraphWidget *graphWidget)
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{
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// Synchronize new graph with others in the zone
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impl->m_Synchronizer->addGraph(*graphWidget);
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ui->dragDropContainer->insertDragWidget(index, graphWidget);
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}
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VisualizationGraphWidget *VisualizationZoneWidget::createGraph(std::shared_ptr<Variable> variable)
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{
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return createGraph(variable, -1);
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}
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VisualizationGraphWidget *VisualizationZoneWidget::createGraph(std::shared_ptr<Variable> variable,
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int index)
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{
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auto graphWidget
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= new VisualizationGraphWidget{defaultGraphName(*ui->dragDropContainer->layout()), this};
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// Set graph properties
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graphWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::MinimumExpanding);
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graphWidget->setMinimumHeight(GRAPH_MINIMUM_HEIGHT);
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// Lambda to synchronize zone widget
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auto synchronizeZoneWidget = [this, graphWidget](const SqpRange &graphRange,
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const SqpRange &oldGraphRange) {
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auto zoomType = VariableController::getZoomType(graphRange, oldGraphRange);
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auto frameLayout = ui->dragDropContainer->layout();
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for (auto i = 0; i < frameLayout->count(); ++i) {
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auto graphChild
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= dynamic_cast<VisualizationGraphWidget *>(frameLayout->itemAt(i)->widget());
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if (graphChild && (graphChild != graphWidget)) {
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auto graphChildRange = graphChild->graphRange();
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switch (zoomType) {
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case AcquisitionZoomType::ZoomIn: {
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auto deltaLeft = graphRange.m_TStart - oldGraphRange.m_TStart;
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auto deltaRight = oldGraphRange.m_TEnd - graphRange.m_TEnd;
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graphChildRange.m_TStart += deltaLeft;
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graphChildRange.m_TEnd -= deltaRight;
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qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: ZoomIn");
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qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: deltaLeft")
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<< deltaLeft;
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qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: deltaRight")
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<< deltaRight;
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qCDebug(LOG_VisualizationZoneWidget())
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<< tr("TORM: dt") << graphRange.m_TEnd - graphRange.m_TStart;
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break;
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}
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case AcquisitionZoomType::ZoomOut: {
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qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: ZoomOut");
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auto deltaLeft = oldGraphRange.m_TStart - graphRange.m_TStart;
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auto deltaRight = graphRange.m_TEnd - oldGraphRange.m_TEnd;
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qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: deltaLeft")
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<< deltaLeft;
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qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: deltaRight")
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<< deltaRight;
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qCDebug(LOG_VisualizationZoneWidget())
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<< tr("TORM: dt") << graphRange.m_TEnd - graphRange.m_TStart;
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graphChildRange.m_TStart -= deltaLeft;
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graphChildRange.m_TEnd += deltaRight;
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break;
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}
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case AcquisitionZoomType::PanRight: {
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qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: PanRight");
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auto deltaLeft = graphRange.m_TStart - oldGraphRange.m_TStart;
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auto deltaRight = graphRange.m_TEnd - oldGraphRange.m_TEnd;
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graphChildRange.m_TStart += deltaLeft;
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graphChildRange.m_TEnd += deltaRight;
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qCDebug(LOG_VisualizationZoneWidget())
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<< tr("TORM: dt") << graphRange.m_TEnd - graphRange.m_TStart;
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break;
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}
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case AcquisitionZoomType::PanLeft: {
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qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: PanLeft");
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auto deltaLeft = oldGraphRange.m_TStart - graphRange.m_TStart;
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auto deltaRight = oldGraphRange.m_TEnd - graphRange.m_TEnd;
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graphChildRange.m_TStart -= deltaLeft;
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graphChildRange.m_TEnd -= deltaRight;
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break;
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}
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case AcquisitionZoomType::Unknown: {
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qCDebug(LOG_VisualizationZoneWidget())
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<< tr("Impossible to synchronize: zoom type unknown");
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break;
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}
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default:
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qCCritical(LOG_VisualizationZoneWidget())
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<< tr("Impossible to synchronize: zoom type not take into account");
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// No action
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break;
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}
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graphChild->enableAcquisition(false);
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qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: Range before: ")
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<< graphChild->graphRange();
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qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: Range after : ")
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<< graphChildRange;
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qCDebug(LOG_VisualizationZoneWidget())
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<< tr("TORM: child dt") << graphChildRange.m_TEnd - graphChildRange.m_TStart;
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graphChild->setGraphRange(graphChildRange);
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graphChild->enableAcquisition(true);
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}
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}
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};
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// connection for synchronization
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connect(graphWidget, &VisualizationGraphWidget::synchronize, synchronizeZoneWidget);
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connect(graphWidget, &VisualizationGraphWidget::variableAdded, this,
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&VisualizationZoneWidget::onVariableAdded);
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connect(graphWidget, &VisualizationGraphWidget::variableAboutToBeRemoved, this,
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&VisualizationZoneWidget::onVariableAboutToBeRemoved);
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auto range = SqpRange{};
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// Apply visitor to graph children
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auto layout = ui->dragDropContainer->layout();
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if (layout->count() > 0) {
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// Case of a new graph in a existant zone
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if (auto visualizationGraphWidget
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= dynamic_cast<VisualizationGraphWidget *>(layout->itemAt(0)->widget())) {
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range = visualizationGraphWidget->graphRange();
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}
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}
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else {
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// Case of a new graph as the first of the zone
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range = variable->range();
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}
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this->insertGraph(index, graphWidget);
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graphWidget->addVariable(variable, range);
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// get y using variable range
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if (auto dataSeries = variable->dataSeries()) {
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dataSeries->lockRead();
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auto valuesBounds
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= dataSeries->valuesBounds(variable->range().m_TStart, variable->range().m_TEnd);
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auto end = dataSeries->cend();
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if (valuesBounds.first != end && valuesBounds.second != end) {
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auto rangeValue = [](const auto &value) { return std::isnan(value) ? 0. : value; };
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auto minValue = rangeValue(valuesBounds.first->minValue());
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auto maxValue = rangeValue(valuesBounds.second->maxValue());
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graphWidget->setYRange(SqpRange{minValue, maxValue});
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}
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dataSeries->unlock();
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}
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return graphWidget;
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}
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VisualizationGraphWidget *
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VisualizationZoneWidget::createGraph(const QList<std::shared_ptr<Variable> > variables, int index)
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{
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if (variables.isEmpty()) {
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return nullptr;
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}
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auto graphWidget = createGraph(variables.first(), index);
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for (auto variableIt = variables.cbegin() + 1; variableIt != variables.cend(); ++variableIt) {
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graphWidget->addVariable(*variableIt, graphWidget->graphRange());
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}
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return graphWidget;
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}
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void VisualizationZoneWidget::accept(IVisualizationWidgetVisitor *visitor)
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{
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if (visitor) {
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visitor->visitEnter(this);
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// Apply visitor to graph children: widgets different from graphs are not visited (no
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// action)
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processGraphs(
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*ui->dragDropContainer->layout(),
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[visitor](VisualizationGraphWidget &graphWidget) { graphWidget.accept(visitor); });
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visitor->visitLeave(this);
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}
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else {
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qCCritical(LOG_VisualizationZoneWidget()) << tr("Can't visit widget : the visitor is null");
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}
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}
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bool VisualizationZoneWidget::canDrop(const Variable &variable) const
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{
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// A tab can always accomodate a variable
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Q_UNUSED(variable);
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return true;
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}
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bool VisualizationZoneWidget::contains(const Variable &variable) const
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{
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Q_UNUSED(variable);
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return false;
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}
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QString VisualizationZoneWidget::name() const
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{
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return ui->zoneNameLabel->text();
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}
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QMimeData *VisualizationZoneWidget::mimeData() const
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{
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auto mimeData = new QMimeData;
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mimeData->setData(DragDropHelper::MIME_TYPE_ZONE, QByteArray());
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return mimeData;
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}
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bool VisualizationZoneWidget::isDragAllowed() const
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{
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return true;
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}
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void VisualizationZoneWidget::closeEvent(QCloseEvent *event)
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{
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// Closes graphs in the zone
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processGraphs(*ui->dragDropContainer->layout(),
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[](VisualizationGraphWidget &graphWidget) { graphWidget.close(); });
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// Delete synchronization group from variable controller
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QMetaObject::invokeMethod(&sqpApp->variableController(), "onRemoveSynchronizationGroupId",
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Qt::QueuedConnection, Q_ARG(QUuid, impl->m_SynchronisationGroupId));
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QWidget::closeEvent(event);
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}
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void VisualizationZoneWidget::onVariableAdded(std::shared_ptr<Variable> variable)
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{
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QMetaObject::invokeMethod(&sqpApp->variableController(), "onAddSynchronized",
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Qt::QueuedConnection, Q_ARG(std::shared_ptr<Variable>, variable),
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Q_ARG(QUuid, impl->m_SynchronisationGroupId));
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}
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void VisualizationZoneWidget::onVariableAboutToBeRemoved(std::shared_ptr<Variable> variable)
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{
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QMetaObject::invokeMethod(&sqpApp->variableController(), "desynchronize", Qt::QueuedConnection,
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Q_ARG(std::shared_ptr<Variable>, variable),
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Q_ARG(QUuid, impl->m_SynchronisationGroupId));
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}
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void VisualizationZoneWidget::dropMimeData(int index, const QMimeData *mimeData)
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{
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auto &helper = sqpApp->dragDropHelper();
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if (mimeData->hasFormat(DragDropHelper::MIME_TYPE_GRAPH)) {
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auto graphWidget = static_cast<VisualizationGraphWidget *>(helper.getCurrentDragWidget());
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auto parentDragDropContainer
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= qobject_cast<VisualizationDragDropContainer *>(graphWidget->parentWidget());
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Q_ASSERT(parentDragDropContainer);
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const auto &variables = graphWidget->variables();
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if (parentDragDropContainer != ui->dragDropContainer && !variables.isEmpty()) {
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// The drop didn't occur in the same zone
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// Abort the requests for the variables (if any)
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// Commented, because it's not sure if it's needed or not
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// for (const auto& var : variables)
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//{
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// sqpApp->variableController().onAbortProgressRequested(var);
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//}
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auto previousParentZoneWidget = graphWidget->parentZoneWidget();
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auto nbGraph = parentDragDropContainer->countDragWidget();
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if (nbGraph == 1) {
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// This is the only graph in the previous zone, close the zone
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previousParentZoneWidget->close();
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}
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else {
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// Close the graph
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graphWidget->close();
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}
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// Creates the new graph in the zone
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createGraph(variables, index);
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}
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else {
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// The drop occurred in the same zone or the graph is empty
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// Simple move of the graph, no variable operation associated
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parentDragDropContainer->layout()->removeWidget(graphWidget);
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if (variables.isEmpty() && parentDragDropContainer != ui->dragDropContainer) {
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// The graph is empty and dropped in a different zone.
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// Take the range of the first graph in the zone (if existing).
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auto layout = ui->dragDropContainer->layout();
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if (layout->count() > 0) {
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if (auto visualizationGraphWidget
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= qobject_cast<VisualizationGraphWidget *>(layout->itemAt(0)->widget())) {
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graphWidget->setGraphRange(visualizationGraphWidget->graphRange());
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}
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}
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}
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ui->dragDropContainer->insertDragWidget(index, graphWidget);
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}
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}
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}
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