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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/VisualizationZoneWidget.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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};
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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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// 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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delete ui;
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}
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void VisualizationTabWidget::addZone(VisualizationZoneWidget *zoneWidget)
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{
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tabLayout().addWidget(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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auto zoneWidget = new VisualizationZoneWidget{defaultZoneName(tabLayout()), this};
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this->addZone(zoneWidget);
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// Creates a new graph into the zone
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zoneWidget->createGraph(variable);
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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->scrollAreaWidgetContents->layout();
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}
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