DragDropGuiController.cpp
296 lines
| 10.0 KiB
| text/x-c
|
CppLexer
| r1075 | #include "DragAndDrop/DragDropGuiController.h" | |||
| r885 | #include "DragAndDrop/DragDropScroller.h" | |||
| r886 | #include "DragAndDrop/DragDropTabSwitcher.h" | |||
| r837 | #include "SqpApplication.h" | |||
| r850 | #include "Visualization/VisualizationDragDropContainer.h" | |||
| r844 | #include "Visualization/VisualizationDragWidget.h" | |||
| r850 | #include "Visualization/VisualizationWidget.h" | |||
| #include "Visualization/operations/FindVariableOperation.h" | ||||
| r876 | #include "Variable/Variable.h" | |||
| r850 | #include "Variable/VariableController.h" | |||
| #include "Common/MimeTypesDef.h" | ||||
| #include "Common/VisualizationDef.h" | ||||
| r837 | ||||
| r844 | #include <QDir> | |||
| r881 | #include <QLabel> | |||
| r885 | #include <QUrl> | |||
| r844 | #include <QVBoxLayout> | |||
| r837 | ||||
| r840 | ||||
| r1075 | Q_LOGGING_CATEGORY(LOG_DragDropGuiController, "DragDropGuiController") | |||
| r850 | ||||
| r837 | ||||
| r1075 | struct DragDropGuiController::DragDropGuiControllerPrivate { | |||
| r837 | ||||
| r844 | VisualizationDragWidget *m_CurrentDragWidget = nullptr; | |||
| std::unique_ptr<QWidget> m_PlaceHolder = nullptr; | ||||
| r881 | QLabel *m_PlaceHolderLabel; | |||
| QWidget *m_PlaceBackground; | ||||
| r844 | std::unique_ptr<DragDropScroller> m_DragDropScroller = nullptr; | |||
| r886 | std::unique_ptr<DragDropTabSwitcher> m_DragDropTabSwitcher = nullptr; | |||
| r844 | QString m_ImageTempUrl; // Temporary file for image url generated by the drag & drop. Not using | |||
| // QTemporaryFile to have a name which is not generated. | ||||
| r837 | ||||
| r873 | VisualizationDragWidget *m_HighlightedDragWidget = nullptr; | |||
| r874 | QMetaObject::Connection m_DragWidgetDestroyedConnection; | |||
| QMetaObject::Connection m_HighlightedWidgetDestroyedConnection; | ||||
Thibaud Rabillard
|
r911 | QList<QWidget *> m_WidgetToClose; | ||
| r1075 | explicit DragDropGuiControllerPrivate() | |||
| r844 | : m_PlaceHolder{std::make_unique<QWidget>()}, | |||
| r886 | m_DragDropScroller{std::make_unique<DragDropScroller>()}, | |||
| m_DragDropTabSwitcher{std::make_unique<DragDropTabSwitcher>()} | ||||
| r837 | { | |||
| r881 | auto layout = new QVBoxLayout{m_PlaceHolder.get()}; | |||
| layout->setSpacing(0); | ||||
| layout->setContentsMargins(0, 0, 0, 0); | ||||
| m_PlaceHolderLabel = new QLabel{"", m_PlaceHolder.get()}; | ||||
| m_PlaceHolderLabel->setMinimumHeight(25); | ||||
| layout->addWidget(m_PlaceHolderLabel); | ||||
| m_PlaceBackground = new QWidget{m_PlaceHolder.get()}; | ||||
| m_PlaceBackground->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); | ||||
| layout->addWidget(m_PlaceBackground); | ||||
| sqpApp->installEventFilter(m_DragDropScroller.get()); | ||||
| r886 | sqpApp->installEventFilter(m_DragDropTabSwitcher.get()); | |||
| r837 | ||||
| r876 | m_ImageTempUrl = QDir::temp().absoluteFilePath("Sciqlop_graph.png"); | |||
| r837 | } | |||
| r1075 | void preparePlaceHolder(DragDropGuiController::PlaceHolderType type, | |||
| const QString &topLabelText) const | ||||
| r837 | { | |||
| r844 | if (m_CurrentDragWidget) { | |||
| m_PlaceHolder->setMinimumSize(m_CurrentDragWidget->size()); | ||||
| m_PlaceHolder->setSizePolicy(m_CurrentDragWidget->sizePolicy()); | ||||
| r837 | } | |||
| r844 | else { | |||
| r850 | // Configuration of the placeHolder when there is no dragWidget | |||
| // (for instance with a drag from a variable) | ||||
| r851 | m_PlaceHolder->setMinimumSize(0, GRAPH_MINIMUM_HEIGHT); | |||
| r850 | m_PlaceHolder->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); | |||
| r837 | } | |||
| r881 | ||||
| switch (type) { | ||||
| r1075 | case DragDropGuiController::PlaceHolderType::Graph: | |||
| r881 | m_PlaceBackground->setStyleSheet( | |||
| "background-color: #BBD5EE; border: 1px solid #2A7FD4"); | ||||
| break; | ||||
| r1075 | case DragDropGuiController::PlaceHolderType::Zone: | |||
| case DragDropGuiController::PlaceHolderType::Default: | ||||
| r881 | m_PlaceBackground->setStyleSheet( | |||
| "background-color: #BBD5EE; border: 2px solid #2A7FD4"); | ||||
| m_PlaceHolderLabel->setStyleSheet("color: #2A7FD4"); | ||||
| break; | ||||
| } | ||||
| m_PlaceHolderLabel->setText(topLabelText); | ||||
| m_PlaceHolderLabel->setVisible(!topLabelText.isEmpty()); | ||||
| r837 | } | |||
| }; | ||||
| r1075 | DragDropGuiController::DragDropGuiController() | |||
| : impl{spimpl::make_unique_impl<DragDropGuiControllerPrivate>()} | ||||
| r912 | { | |||
| } | ||||
| r837 | ||||
| r1075 | DragDropGuiController::~DragDropGuiController() | |||
| r837 | { | |||
| r844 | QFile::remove(impl->m_ImageTempUrl); | |||
| r837 | } | |||
| r1075 | void DragDropGuiController::resetDragAndDrop() | |||
| r850 | { | |||
| setCurrentDragWidget(nullptr); | ||||
| r873 | impl->m_HighlightedDragWidget = nullptr; | |||
| r850 | } | |||
| r1075 | void DragDropGuiController::setCurrentDragWidget(VisualizationDragWidget *dragWidget) | |||
| r837 | { | |||
| r874 | if (impl->m_CurrentDragWidget) { | |||
| QObject::disconnect(impl->m_DragWidgetDestroyedConnection); | ||||
| } | ||||
| if (dragWidget) { | ||||
| // ensures the impl->m_CurrentDragWidget is reset when the widget is destroyed | ||||
| impl->m_DragWidgetDestroyedConnection | ||||
| = QObject::connect(dragWidget, &VisualizationDragWidget::destroyed, | ||||
| [this]() { impl->m_CurrentDragWidget = nullptr; }); | ||||
| } | ||||
| r844 | impl->m_CurrentDragWidget = dragWidget; | |||
| r837 | } | |||
| r1075 | VisualizationDragWidget *DragDropGuiController::getCurrentDragWidget() const | |||
| r837 | { | |||
| r844 | return impl->m_CurrentDragWidget; | |||
| r837 | } | |||
| r1075 | QWidget &DragDropGuiController::placeHolder() const | |||
| r837 | { | |||
| r844 | return *impl->m_PlaceHolder; | |||
| r837 | } | |||
| r1075 | void DragDropGuiController::insertPlaceHolder(QVBoxLayout *layout, int index, PlaceHolderType type, | |||
| const QString &topLabelText) | ||||
| r837 | { | |||
| removePlaceHolder(); | ||||
| r881 | impl->preparePlaceHolder(type, topLabelText); | |||
| r844 | layout->insertWidget(index, impl->m_PlaceHolder.get()); | |||
| impl->m_PlaceHolder->show(); | ||||
| r837 | } | |||
| r1075 | void DragDropGuiController::removePlaceHolder() | |||
| r837 | { | |||
| r844 | auto parentWidget = impl->m_PlaceHolder->parentWidget(); | |||
| if (parentWidget) { | ||||
| parentWidget->layout()->removeWidget(impl->m_PlaceHolder.get()); | ||||
| impl->m_PlaceHolder->setParent(nullptr); | ||||
| impl->m_PlaceHolder->hide(); | ||||
| r837 | } | |||
| } | ||||
| r1075 | bool DragDropGuiController::isPlaceHolderSet() const | |||
| r837 | { | |||
| r844 | return impl->m_PlaceHolder->parentWidget(); | |||
| r837 | } | |||
| r1075 | void DragDropGuiController::addDragDropScrollArea(QScrollArea *scrollArea) | |||
| r840 | { | |||
| r844 | impl->m_DragDropScroller->addScrollArea(scrollArea); | |||
| r840 | } | |||
| r1075 | void DragDropGuiController::removeDragDropScrollArea(QScrollArea *scrollArea) | |||
| r840 | { | |||
| r844 | impl->m_DragDropScroller->removeScrollArea(scrollArea); | |||
| r840 | } | |||
| r1075 | void DragDropGuiController::addDragDropTabBar(QTabBar *tabBar) | |||
| r886 | { | |||
| impl->m_DragDropTabSwitcher->addTabBar(tabBar); | ||||
| } | ||||
| r1075 | void DragDropGuiController::removeDragDropTabBar(QTabBar *tabBar) | |||
| r886 | { | |||
| impl->m_DragDropTabSwitcher->removeTabBar(tabBar); | ||||
| } | ||||
| r1075 | QUrl DragDropGuiController::imageTemporaryUrl(const QImage &image) const | |||
| r837 | { | |||
| r844 | image.save(impl->m_ImageTempUrl); | |||
| return QUrl::fromLocalFile(impl->m_ImageTempUrl); | ||||
| r837 | } | |||
| r850 | ||||
| r1075 | void DragDropGuiController::setHightlightedDragWidget(VisualizationDragWidget *dragWidget) | |||
| r873 | { | |||
| if (impl->m_HighlightedDragWidget) { | ||||
| impl->m_HighlightedDragWidget->highlightForMerge(false); | ||||
| r874 | QObject::disconnect(impl->m_HighlightedWidgetDestroyedConnection); | |||
| r873 | } | |||
| if (dragWidget) { | ||||
| r874 | dragWidget->highlightForMerge(true); | |||
| // ensures the impl->m_HighlightedDragWidget is reset when the widget is destroyed | ||||
| impl->m_DragWidgetDestroyedConnection | ||||
| = QObject::connect(dragWidget, &VisualizationDragWidget::destroyed, | ||||
| [this]() { impl->m_HighlightedDragWidget = nullptr; }); | ||||
| r873 | } | |||
| r874 | ||||
| impl->m_HighlightedDragWidget = dragWidget; | ||||
| r873 | } | |||
| r1075 | VisualizationDragWidget *DragDropGuiController::getHightlightedDragWidget() const | |||
| r875 | { | |||
| return impl->m_HighlightedDragWidget; | ||||
| } | ||||
| r1075 | void DragDropGuiController::delayedCloseWidget(QWidget *widget) | |||
|
Thibaud Rabillard
|
r911 | { | ||
| widget->hide(); | ||||
| impl->m_WidgetToClose << widget; | ||||
| } | ||||
| r1075 | void DragDropGuiController::doCloseWidgets() | |||
|
Thibaud Rabillard
|
r911 | { | ||
| for (auto widget : impl->m_WidgetToClose) { | ||||
| widget->close(); | ||||
| } | ||||
| impl->m_WidgetToClose.clear(); | ||||
| } | ||||
| r1075 | bool DragDropGuiController::checkMimeDataForVisualization( | |||
| const QMimeData *mimeData, VisualizationDragDropContainer *dropContainer) | ||||
| r850 | { | |||
| r868 | if (!mimeData || !dropContainer) { | |||
| r1075 | qCWarning(LOG_DragDropGuiController()) << QObject::tr( | |||
| "DragDropGuiController::checkMimeDataForVisualization, invalid input parameters."); | ||||
| r868 | Q_ASSERT(false); | |||
| r876 | return false; | |||
| r868 | } | |||
| r876 | auto result = false; | |||
| r850 | ||||
| if (mimeData->hasFormat(MIME_TYPE_VARIABLE_LIST)) { | ||||
| auto variables = sqpApp->variableController().variablesForMimeData( | ||||
| mimeData->data(MIME_TYPE_VARIABLE_LIST)); | ||||
| if (variables.count() == 1) { | ||||
| r876 | auto variable = variables.first(); | |||
| if (variable->dataSeries() != nullptr) { | ||||
| // Check that the variable is not already in a graph | ||||
| r850 | ||||
| r876 | auto parent = dropContainer->parentWidget(); | |||
| while (parent && qobject_cast<VisualizationWidget *>(parent) == nullptr) { | ||||
| parent = parent->parentWidget(); // Search for the top level VisualizationWidget | ||||
| } | ||||
| r850 | ||||
| r876 | if (parent) { | |||
| auto visualizationWidget = static_cast<VisualizationWidget *>(parent); | ||||
| FindVariableOperation findVariableOperation{variable}; | ||||
| visualizationWidget->accept(&findVariableOperation); | ||||
| auto variableContainers = findVariableOperation.result(); | ||||
| if (variableContainers.empty()) { | ||||
| result = true; | ||||
| } | ||||
| else { | ||||
| // result = false: the variable already exist in the visualisation | ||||
| } | ||||
| } | ||||
| else { | ||||
| r1075 | qCWarning(LOG_DragDropGuiController()) << QObject::tr( | |||
| "DragDropGuiController::checkMimeDataForVisualization, the parent " | ||||
| r876 | "VisualizationWidget cannot be found. Cannot check if the variable is " | |||
| "already used or not."); | ||||
| r850 | } | |||
| } | ||||
| else { | ||||
| r876 | // result = false: the variable is not fully loaded | |||
| r850 | } | |||
| } | ||||
| else { | ||||
| r876 | // result = false: cannot drop multiple variables in the visualisation | |||
| r850 | } | |||
| } | ||||
| r876 | else { | |||
| // Other MIME data | ||||
| // no special rules, accepted by default | ||||
| result = true; | ||||
| } | ||||
| r850 | ||||
| return result; | ||||
| } | ||||
