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VisualizationTabWidget.cpp
354 lines | 11.4 KiB | text/x-c | CppLexer
/ gui / src / Visualization / VisualizationTabWidget.cpp
#include "Visualization/VisualizationTabWidget.h"
#include "Visualization/IVisualizationWidgetVisitor.h"
#include "ui_VisualizationTabWidget.h"
#include "Visualization/VisualizationGraphWidget.h"
#include "Visualization/VisualizationZoneWidget.h"
#include "Visualization/MacScrollBarStyle.h"
#include "Variable/VariableController.h"
#include "Common/MimeTypesDef.h"
#include "DragAndDrop/DragDropGuiController.h"
#include "SqpApplication.h"
Q_LOGGING_CATEGORY(LOG_VisualizationTabWidget, "VisualizationTabWidget")
namespace {
/**
* Applies a function to all zones of the tab represented by its layout
* @param layout the layout that contains zones
* @param fun the function to apply to each zone
*/
template <typename Fun>
void processZones(QLayout &layout, Fun fun)
{
for (auto i = 0; i < layout.count(); ++i) {
if (auto item = layout.itemAt(i)) {
if (auto visualizationZoneWidget
= qobject_cast<VisualizationZoneWidget *>(item->widget())) {
fun(*visualizationZoneWidget);
}
}
}
}
/// Generates a default name for a new zone, according to the number of zones already displayed in
/// the tab
QString defaultZoneName(QLayout &layout)
{
QSet<QString> existingNames;
processZones(layout,
[&existingNames](auto &zoneWidget) { existingNames.insert(zoneWidget.name()); });
int zoneNum = 1;
QString name;
do {
name = QObject::tr("Zone ").append(QString::number(zoneNum));
++zoneNum;
} while (existingNames.contains(name));
return name;
}
} // namespace
struct VisualizationTabWidget::VisualizationTabWidgetPrivate {
explicit VisualizationTabWidgetPrivate(const QString &name) : m_Name{name} {}
QString m_Name;
#ifdef Q_OS_MAC
std::unique_ptr<MacScrollBarStyle> m_MacScrollBarStyle = std::make_unique<MacScrollBarStyle>();
#endif
void dropGraph(int index, VisualizationTabWidget *tabWidget);
void dropZone(int index, VisualizationTabWidget *tabWidget);
void dropVariables(const QList<std::shared_ptr<Variable> > &variables, int index,
VisualizationTabWidget *tabWidget);
};
VisualizationTabWidget::VisualizationTabWidget(const QString &name, QWidget *parent)
: QWidget{parent},
ui{new Ui::VisualizationTabWidget},
impl{spimpl::make_unique_impl<VisualizationTabWidgetPrivate>(name)}
{
ui->setupUi(this);
#ifdef Q_OS_MAC
impl->m_MacScrollBarStyle->selfInstallOn(ui->scrollArea, true);
#endif
ui->dragDropContainer->setPlaceHolderType(DragDropGuiController::PlaceHolderType::Zone, "Zone");
ui->dragDropContainer->layout()->setContentsMargins(0, 0, 0, 12);
ui->dragDropContainer->layout()->setSpacing(0);
ui->dragDropContainer->setMimeType(MIME_TYPE_GRAPH,
VisualizationDragDropContainer::DropBehavior::Inserted);
ui->dragDropContainer->setMimeType(MIME_TYPE_ZONE,
VisualizationDragDropContainer::DropBehavior::Inserted);
ui->dragDropContainer->setMimeType(MIME_TYPE_VARIABLE_LIST,
VisualizationDragDropContainer::DropBehavior::Inserted);
ui->dragDropContainer->setAcceptMimeDataFunction([this](auto mimeData) {
return sqpApp->dragDropGuiController().checkMimeDataForVisualization(mimeData,
ui->dragDropContainer);
});
connect(ui->dragDropContainer, &VisualizationDragDropContainer::dropOccuredInContainer, this,
&VisualizationTabWidget::dropMimeData);
sqpApp->dragDropGuiController().addDragDropScrollArea(ui->scrollArea);
// Widget is deleted when closed
setAttribute(Qt::WA_DeleteOnClose);
}
VisualizationTabWidget::~VisualizationTabWidget()
{
sqpApp->dragDropGuiController().removeDragDropScrollArea(ui->scrollArea);
delete ui;
}
void VisualizationTabWidget::addZone(VisualizationZoneWidget *zoneWidget)
{
ui->dragDropContainer->addDragWidget(zoneWidget);
}
void VisualizationTabWidget::insertZone(int index, VisualizationZoneWidget *zoneWidget)
{
ui->dragDropContainer->insertDragWidget(index, zoneWidget);
}
QStringList VisualizationTabWidget::availableZoneWidgets() const
{
QStringList zones;
processZones(tabLayout(),
[&zones](VisualizationZoneWidget &zoneWidget) { zones << zoneWidget.name(); });
return zones;
}
VisualizationZoneWidget *VisualizationTabWidget::getZoneWithName(const QString &zoneName)
{
VisualizationZoneWidget *result = nullptr;
processZones(tabLayout(), [&zoneName, &result](VisualizationZoneWidget &zoneWidget) {
if (!result && zoneWidget.name() == zoneName) {
result = &zoneWidget;
}
});
return result;
}
VisualizationZoneWidget *VisualizationTabWidget::createZone(std::shared_ptr<Variable> variable)
{
return createZone({variable}, -1);
}
VisualizationZoneWidget *
VisualizationTabWidget::createZone(const QList<std::shared_ptr<Variable> > &variables, int index)
{
auto zoneWidget = createEmptyZone(index);
// Creates a new graph into the zone
zoneWidget->createGraph(variables, index);
return zoneWidget;
}
VisualizationZoneWidget *VisualizationTabWidget::createEmptyZone(int index)
{
auto zoneWidget
= new VisualizationZoneWidget{defaultZoneName(*ui->dragDropContainer->layout()), this};
this->insertZone(index, zoneWidget);
return zoneWidget;
}
void VisualizationTabWidget::accept(IVisualizationWidgetVisitor *visitor)
{
if (visitor) {
visitor->visitEnter(this);
// Apply visitor to zone children: widgets different from zones are not visited (no action)
processZones(tabLayout(), [visitor](VisualizationZoneWidget &zoneWidget) {
zoneWidget.accept(visitor);
});
visitor->visitLeave(this);
}
else {
qCCritical(LOG_VisualizationTabWidget()) << tr("Can't visit widget : the visitor is null");
}
}
bool VisualizationTabWidget::canDrop(const Variable &variable) const
{
// A tab can always accomodate a variable
Q_UNUSED(variable);
return true;
}
bool VisualizationTabWidget::contains(const Variable &variable) const
{
Q_UNUSED(variable);
return false;
}
QString VisualizationTabWidget::name() const
{
return impl->m_Name;
}
void VisualizationTabWidget::closeEvent(QCloseEvent *event)
{
// Closes zones in the tab
processZones(tabLayout(), [](VisualizationZoneWidget &zoneWidget) { zoneWidget.close(); });
QWidget::closeEvent(event);
}
QLayout &VisualizationTabWidget::tabLayout() const noexcept
{
return *ui->dragDropContainer->layout();
}
void VisualizationTabWidget::dropMimeData(int index, const QMimeData *mimeData)
{
if (mimeData->hasFormat(MIME_TYPE_GRAPH)) {
impl->dropGraph(index, this);
}
else if (mimeData->hasFormat(MIME_TYPE_ZONE)) {
impl->dropZone(index, this);
}
else if (mimeData->hasFormat(MIME_TYPE_VARIABLE_LIST)) {
auto variables = sqpApp->variableController().variablesForMimeData(
mimeData->data(MIME_TYPE_VARIABLE_LIST));
impl->dropVariables(variables, index, this);
}
else {
qCWarning(LOG_VisualizationZoneWidget())
<< tr("VisualizationTabWidget::dropMimeData, unknown MIME data received.");
}
}
void VisualizationTabWidget::VisualizationTabWidgetPrivate::dropGraph(
int index, VisualizationTabWidget *tabWidget)
{
auto &helper = sqpApp->dragDropGuiController();
auto graphWidget = qobject_cast<VisualizationGraphWidget *>(helper.getCurrentDragWidget());
if (!graphWidget) {
qCWarning(LOG_VisualizationZoneWidget())
<< tr("VisualizationTabWidget::dropGraph, drop aborted, the dropped graph is not "
"found or invalid.");
Q_ASSERT(false);
return;
}
auto parentDragDropContainer
= qobject_cast<VisualizationDragDropContainer *>(graphWidget->parentWidget());
if (!parentDragDropContainer) {
qCWarning(LOG_VisualizationZoneWidget())
<< tr("VisualizationTabWidget::dropGraph, drop aborted, the parent container of "
"the dropped graph is not found.");
Q_ASSERT(false);
return;
}
auto nbGraph = parentDragDropContainer->countDragWidget();
const auto &variables = graphWidget->variables();
if (!variables.isEmpty()) {
// Abort the requests for the variables (if any)
// Commented, because it's not sure if it's needed or not
// for (const auto& var : variables)
//{
// sqpApp->variableController().onAbortProgressRequested(var);
//}
if (nbGraph == 1) {
// This is the only graph in the previous zone, close the zone
helper.delayedCloseWidget(graphWidget->parentZoneWidget());
}
else {
// Close the graph
helper.delayedCloseWidget(graphWidget);
}
auto zoneWidget = tabWidget->createZone(variables, index);
auto firstGraph = zoneWidget->firstGraph();
if (firstGraph) {
firstGraph->addSelectionZones(graphWidget->selectionZoneRanges());
}
else {
qCWarning(LOG_VisualizationZoneWidget())
<< tr("VisualizationTabWidget::dropGraph, no graph added in the widget.");
Q_ASSERT(false);
}
}
else {
// The graph is empty, create an empty zone and move the graph inside
auto parentZoneWidget = graphWidget->parentZoneWidget();
parentDragDropContainer->layout()->removeWidget(graphWidget);
auto zoneWidget = tabWidget->createEmptyZone(index);
zoneWidget->addGraph(graphWidget);
// Close the old zone if it was the only graph inside
if (nbGraph == 1) {
helper.delayedCloseWidget(parentZoneWidget);
}
}
}
void VisualizationTabWidget::VisualizationTabWidgetPrivate::dropZone(
int index, VisualizationTabWidget *tabWidget)
{
auto &helper = sqpApp->dragDropGuiController();
auto zoneWidget = qobject_cast<VisualizationZoneWidget *>(helper.getCurrentDragWidget());
if (!zoneWidget) {
qCWarning(LOG_VisualizationZoneWidget())
<< tr("VisualizationTabWidget::dropZone, drop aborted, the dropped zone is not "
"found or invalid.");
Q_ASSERT(false);
return;
}
auto parentDragDropContainer
= qobject_cast<VisualizationDragDropContainer *>(zoneWidget->parentWidget());
if (!parentDragDropContainer) {
qCWarning(LOG_VisualizationZoneWidget())
<< tr("VisualizationTabWidget::dropZone, drop aborted, the parent container of "
"the dropped zone is not found.");
Q_ASSERT(false);
return;
}
// Simple move of the zone, no variable operation associated
parentDragDropContainer->layout()->removeWidget(zoneWidget);
tabWidget->ui->dragDropContainer->insertDragWidget(index, zoneWidget);
}
void VisualizationTabWidget::VisualizationTabWidgetPrivate::dropVariables(
const QList<std::shared_ptr<Variable> > &variables, int index,
VisualizationTabWidget *tabWidget)
{
// Note: the AcceptMimeDataFunction (set on the drop container) ensure there is a single and
// compatible variable here
if (variables.count() > 1) {
qCWarning(LOG_VisualizationZoneWidget())
<< tr("VisualizationTabWidget::dropVariables, dropping multiple variables, operation "
"aborted.");
return;
}
tabWidget->createZone(variables, index);
}