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#include "Visualization/VisualizationTabWidget.h"
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#include "Visualization/IVisualizationWidgetVisitor.h"
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#include "ui_VisualizationTabWidget.h"
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#include "Visualization/VisualizationGraphWidget.h"
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#include "Visualization/VisualizationZoneWidget.h"
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#include "Variable/VariableController.h"
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#include "Common/MimeTypesDef.h"
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#include "DragDropHelper.h"
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#include "SqpApplication.h"
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Q_LOGGING_CATEGORY(LOG_VisualizationTabWidget, "VisualizationTabWidget")
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namespace {
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/// Generates a default name for a new zone, according to the number of zones already displayed in
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/// the tab
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QString defaultZoneName(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<VisualizationZoneWidget *>(layout.itemAt(i)->widget())) {
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count++;
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}
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}
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return QObject::tr("Zone %1").arg(count + 1);
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}
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/**
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* Applies a function to all zones of the tab represented by its layout
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* @param layout the layout that contains zones
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* @param fun the function to apply to each zone
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*/
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template <typename Fun>
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void processZones(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 visualizationZoneWidget
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= dynamic_cast<VisualizationZoneWidget *>(item->widget())) {
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fun(*visualizationZoneWidget);
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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 VisualizationTabWidget::VisualizationTabWidgetPrivate {
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explicit VisualizationTabWidgetPrivate(const QString &name) : m_Name{name} {}
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QString m_Name;
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void dropGraph(int index, VisualizationTabWidget *tabWidget);
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void dropZone(int index, VisualizationTabWidget *tabWidget);
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void dropVariables(const QList<std::shared_ptr<Variable> > &variables, int index,
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VisualizationTabWidget *tabWidget);
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};
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VisualizationTabWidget::VisualizationTabWidget(const QString &name, QWidget *parent)
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: QWidget{parent},
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ui{new Ui::VisualizationTabWidget},
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impl{spimpl::make_unique_impl<VisualizationTabWidgetPrivate>(name)}
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{
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ui->setupUi(this);
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ui->dragDropContainer->setAcceptedMimeTypes(
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{MIME_TYPE_GRAPH, MIME_TYPE_ZONE, MIME_TYPE_VARIABLE_LIST});
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connect(ui->dragDropContainer, &VisualizationDragDropContainer::dropOccured, this,
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&VisualizationTabWidget::dropMimeData);
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ui->dragDropContainer->setAcceptMimeDataFunction([this](auto mimeData) {
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return sqpApp->dragDropHelper().checkMimeDataForVisualization(mimeData,
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ui->dragDropContainer);
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});
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sqpApp->dragDropHelper().addDragDropScrollArea(ui->scrollArea);
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// Widget is deleted when closed
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setAttribute(Qt::WA_DeleteOnClose);
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}
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VisualizationTabWidget::~VisualizationTabWidget()
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{
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sqpApp->dragDropHelper().removeDragDropScrollArea(ui->scrollArea);
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delete ui;
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}
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void VisualizationTabWidget::addZone(VisualizationZoneWidget *zoneWidget)
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{
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ui->dragDropContainer->addDragWidget(zoneWidget);
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}
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void VisualizationTabWidget::insertZone(int index, VisualizationZoneWidget *zoneWidget)
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{
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ui->dragDropContainer->insertDragWidget(index, zoneWidget);
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}
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VisualizationZoneWidget *VisualizationTabWidget::createZone(std::shared_ptr<Variable> variable)
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{
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return createZone({variable}, -1);
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}
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VisualizationZoneWidget *
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VisualizationTabWidget::createZone(const QList<std::shared_ptr<Variable> > &variables, int index)
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{
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auto zoneWidget = createEmptyZone(index);
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// Creates a new graph into the zone
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zoneWidget->createGraph(variables, index);
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return zoneWidget;
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}
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VisualizationZoneWidget *VisualizationTabWidget::createEmptyZone(int index)
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{
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auto zoneWidget
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= new VisualizationZoneWidget{defaultZoneName(*ui->dragDropContainer->layout()), this};
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this->insertZone(index, zoneWidget);
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return zoneWidget;
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}
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void VisualizationTabWidget::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 zone children: widgets different from zones are not visited (no action)
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processZones(tabLayout(), [visitor](VisualizationZoneWidget &zoneWidget) {
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zoneWidget.accept(visitor);
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});
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visitor->visitLeave(this);
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}
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else {
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qCCritical(LOG_VisualizationTabWidget()) << tr("Can't visit widget : the visitor is null");
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}
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}
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bool VisualizationTabWidget::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 VisualizationTabWidget::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 VisualizationTabWidget::name() const
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{
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return impl->m_Name;
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}
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void VisualizationTabWidget::closeEvent(QCloseEvent *event)
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{
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// Closes zones in the tab
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processZones(tabLayout(), [](VisualizationZoneWidget &zoneWidget) { zoneWidget.close(); });
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QWidget::closeEvent(event);
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}
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QLayout &VisualizationTabWidget::tabLayout() const noexcept
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{
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return *ui->dragDropContainer->layout();
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}
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void VisualizationTabWidget::dropMimeData(int index, const QMimeData *mimeData)
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{
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if (mimeData->hasFormat(MIME_TYPE_GRAPH)) {
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impl->dropGraph(index, this);
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}
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else if (mimeData->hasFormat(MIME_TYPE_ZONE)) {
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impl->dropZone(index, this);
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}
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else if (mimeData->hasFormat(MIME_TYPE_VARIABLE_LIST)) {
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auto variables = sqpApp->variableController().variablesForMimeData(
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mimeData->data(MIME_TYPE_VARIABLE_LIST));
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impl->dropVariables(variables, index, this);
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}
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else {
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qCWarning(LOG_VisualizationZoneWidget())
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<< tr("VisualizationTabWidget::dropMimeData, unknown MIME data received.");
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}
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}
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void VisualizationTabWidget::VisualizationTabWidgetPrivate::dropGraph(
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int index, VisualizationTabWidget *tabWidget)
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{
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auto &helper = sqpApp->dragDropHelper();
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auto graphWidget = qobject_cast<VisualizationGraphWidget *>(helper.getCurrentDragWidget());
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if (!graphWidget) {
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qCWarning(LOG_VisualizationZoneWidget())
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<< tr("VisualizationTabWidget::dropGraph, drop aborted, the dropped graph is not "
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"found or invalid.");
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Q_ASSERT(false);
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return;
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}
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auto parentDragDropContainer
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= qobject_cast<VisualizationDragDropContainer *>(graphWidget->parentWidget());
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if (!parentDragDropContainer) {
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qCWarning(LOG_VisualizationZoneWidget())
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<< tr("VisualizationTabWidget::dropGraph, drop aborted, the parent container of "
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"the dropped graph is not found.");
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Q_ASSERT(false);
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return;
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}
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auto nbGraph = parentDragDropContainer->countDragWidget();
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const auto &variables = graphWidget->variables();
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if (!variables.isEmpty()) {
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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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if (nbGraph == 1) {
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// This is the only graph in the previous zone, close the zone
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graphWidget->parentZoneWidget()->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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tabWidget->createZone(variables, index);
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}
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else {
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// The graph is empty, create an empty zone and move the graph inside
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auto parentZoneWidget = graphWidget->parentZoneWidget();
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parentDragDropContainer->layout()->removeWidget(graphWidget);
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auto zoneWidget = tabWidget->createEmptyZone(index);
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zoneWidget->addGraph(graphWidget);
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// Close the old zone if it was the only graph inside
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if (nbGraph == 1) {
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parentZoneWidget->close();
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}
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}
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}
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void VisualizationTabWidget::VisualizationTabWidgetPrivate::dropZone(
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int index, VisualizationTabWidget *tabWidget)
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{
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auto &helper = sqpApp->dragDropHelper();
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auto zoneWidget = qobject_cast<VisualizationZoneWidget *>(helper.getCurrentDragWidget());
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if (!zoneWidget) {
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qCWarning(LOG_VisualizationZoneWidget())
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<< tr("VisualizationTabWidget::dropZone, drop aborted, the dropped zone is not "
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"found or invalid.");
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Q_ASSERT(false);
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return;
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}
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auto parentDragDropContainer
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= qobject_cast<VisualizationDragDropContainer *>(zoneWidget->parentWidget());
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if (!parentDragDropContainer) {
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qCWarning(LOG_VisualizationZoneWidget())
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<< tr("VisualizationTabWidget::dropZone, drop aborted, the parent container of "
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"the dropped zone is not found.");
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Q_ASSERT(false);
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return;
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}
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// Simple move of the zone, no variable operation associated
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parentDragDropContainer->layout()->removeWidget(zoneWidget);
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tabWidget->ui->dragDropContainer->insertDragWidget(index, zoneWidget);
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}
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void VisualizationTabWidget::VisualizationTabWidgetPrivate::dropVariables(
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const QList<std::shared_ptr<Variable> > &variables, int index,
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VisualizationTabWidget *tabWidget)
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{
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// Note: we are sure that there is a single and compatible variable here
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// because the AcceptMimeDataFunction, set on the drop container, makes the check before the
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// drop can occur.
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tabWidget->createZone(variables, index);
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}
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