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Parser refactoring (1)...
Parser refactoring (1) Creates a helper that will be used to read the properties and values of an AMDA file, to generate the dataset. The helper is intended to replace the current implementation of the parser, to be more generic and thus manage the spectrograms more easily
perrinel - - Load All Authors

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r912:fedc6e2cf64d
r944:e1494a5194f1
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DragDropHelper.cpp
294 lines | 9.8 KiB | text/x-c | CppLexer
/ gui / src / DragAndDrop / DragDropHelper.cpp
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trabillard
Moves the DragDropHelper file
 r884 #include "DragAndDrop/DragDropHelper.h"
trabillard
Moves the class DragDropScroller in its own file
 r885 #include "DragAndDrop/DragDropScroller.h"
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New event filter class to manage the tab switching of a tabBar during a drag&drop
 r886 #include "DragAndDrop/DragDropTabSwitcher.h"
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 r837 #include "SqpApplication.h"
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 r850 #include "Visualization/VisualizationDragDropContainer.h"
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Format changes
 r844 #include "Visualization/VisualizationDragWidget.h"
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drop of variables in the visualization
 r850 #include "Visualization/VisualizationWidget.h"
#include "Visualization/operations/FindVariableOperation.h"
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 r876 #include "Variable/Variable.h"
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drop of variables in the visualization
 r850 #include "Variable/VariableController.h"
#include "Common/MimeTypesDef.h"
#include "Common/VisualizationDef.h"
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 r837
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Format changes
 r844 #include <QDir>
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Add an empty area at the bottom of the tab where a new zone can be created from a drop. Differentiate graph and zone placeHolders.
 r881 #include <QLabel>
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Moves the class DragDropScroller in its own file
 r885 #include <QUrl>
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Format changes
 r844 #include <QVBoxLayout>
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 r837
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Manage the scroll of the tab QScrollArea during a drag&drop operation
 r840
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 r886 Q_LOGGING_CATEGORY(LOG_DragDropHelper, "DragDropHelper")
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 r850
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struct DragDropHelper::DragDropHelperPrivate {
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Format changes
 r844 VisualizationDragWidget *m_CurrentDragWidget = nullptr;
std::unique_ptr<QWidget> m_PlaceHolder = nullptr;
trabillard
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 r881 QLabel *m_PlaceHolderLabel;
QWidget *m_PlaceBackground;
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Format changes
 r844 std::unique_ptr<DragDropScroller> m_DragDropScroller = nullptr;
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New event filter class to manage the tab switching of a tabBar during a drag&drop
 r886 std::unique_ptr<DragDropTabSwitcher> m_DragDropTabSwitcher = nullptr;
trabillard
Format changes
 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.
trabillard
New helper class for the drag&drop
 r837
trabillard
Improves visual effect of dropping a variable in a graph
 r873 VisualizationDragWidget *m_HighlightedDragWidget = nullptr;
trabillard
Improves reliability
 r874 QMetaObject::Connection m_DragWidgetDestroyedConnection;
QMetaObject::Connection m_HighlightedWidgetDestroyedConnection;
Thibaud Rabillard
Fix for D&D bug on mac
 r911 QList<QWidget *> m_WidgetToClose;
trabillard
New helper class for the drag&drop
 r837 explicit DragDropHelperPrivate()
trabillard
Format changes
 r844 : m_PlaceHolder{std::make_unique<QWidget>()},
trabillard
New event filter class to manage the tab switching of a tabBar during a drag&drop
 r886 m_DragDropScroller{std::make_unique<DragDropScroller>()},
m_DragDropTabSwitcher{std::make_unique<DragDropTabSwitcher>()}
trabillard
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 r837 {
trabillard
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 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());
trabillard
New event filter class to manage the tab switching of a tabBar during a drag&drop
 r886 sqpApp->installEventFilter(m_DragDropTabSwitcher.get());
trabillard
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 r837
trabillard
prevent dropping an variable without data in the visu
 r876 m_ImageTempUrl = QDir::temp().absoluteFilePath("Sciqlop_graph.png");
trabillard
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 r837 }
trabillard
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 r881 void preparePlaceHolder(DragDropHelper::PlaceHolderType type, const QString &topLabelText) const
trabillard
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 r837 {
trabillard
Format changes
 r844 if (m_CurrentDragWidget) {
m_PlaceHolder->setMinimumSize(m_CurrentDragWidget->size());
m_PlaceHolder->setSizePolicy(m_CurrentDragWidget->sizePolicy());
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 r837 }
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Format changes
 r844 else {
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 r850 // Configuration of the placeHolder when there is no dragWidget
// (for instance with a drag from a variable)
trabillard
Move the GRAPH_MINIMUM_HEIGHT constant in a place accessible everywhere and use it in the drag&drop
 r851 m_PlaceHolder->setMinimumSize(0, GRAPH_MINIMUM_HEIGHT);
trabillard
drop of variables in the visualization
 r850 m_PlaceHolder->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
trabillard
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 r837 }
trabillard
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 r881
switch (type) {
case DragDropHelper::PlaceHolderType::Graph:
m_PlaceBackground->setStyleSheet(
"background-color: #BBD5EE; border: 1px solid #2A7FD4");
break;
case DragDropHelper::PlaceHolderType::Zone:
case DragDropHelper::PlaceHolderType::Default:
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());
trabillard
New helper class for the drag&drop
 r837 }
};
perrinel
Fix format for linux
 r912 DragDropHelper::DragDropHelper() : impl{spimpl::make_unique_impl<DragDropHelperPrivate>()}
{
}
trabillard
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DragDropHelper::~DragDropHelper()
{
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Format changes
 r844 QFile::remove(impl->m_ImageTempUrl);
trabillard
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 r837 }
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 r850 void DragDropHelper::resetDragAndDrop()
{
setCurrentDragWidget(nullptr);
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 r873 impl->m_HighlightedDragWidget = nullptr;
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 r850 }
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 r837 void DragDropHelper::setCurrentDragWidget(VisualizationDragWidget *dragWidget)
{
trabillard
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 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; });
}
trabillard
Format changes
 r844 impl->m_CurrentDragWidget = dragWidget;
trabillard
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 r837 }
VisualizationDragWidget *DragDropHelper::getCurrentDragWidget() const
{
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Format changes
 r844 return impl->m_CurrentDragWidget;
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 r837 }
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Format changes
 r844 QWidget &DragDropHelper::placeHolder() const
trabillard
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 r837 {
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Format changes
 r844 return *impl->m_PlaceHolder;
trabillard
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 r837 }
trabillard
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 r881 void DragDropHelper::insertPlaceHolder(QVBoxLayout *layout, int index, PlaceHolderType type,
const QString &topLabelText)
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 r837 {
removePlaceHolder();
trabillard
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 r881 impl->preparePlaceHolder(type, topLabelText);
trabillard
Format changes
 r844 layout->insertWidget(index, impl->m_PlaceHolder.get());
impl->m_PlaceHolder->show();
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 r837 }
void DragDropHelper::removePlaceHolder()
{
trabillard
Format changes
 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();
trabillard
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 r837 }
}
bool DragDropHelper::isPlaceHolderSet() const
{
trabillard
Format changes
 r844 return impl->m_PlaceHolder->parentWidget();
trabillard
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 r837 }
trabillard
Manage the scroll of the tab QScrollArea during a drag&drop operation
 r840 void DragDropHelper::addDragDropScrollArea(QScrollArea *scrollArea)
{
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Format changes
 r844 impl->m_DragDropScroller->addScrollArea(scrollArea);
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 r840 }
void DragDropHelper::removeDragDropScrollArea(QScrollArea *scrollArea)
{
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Format changes
 r844 impl->m_DragDropScroller->removeScrollArea(scrollArea);
trabillard
Manage the scroll of the tab QScrollArea during a drag&drop operation
 r840 }
trabillard
New event filter class to manage the tab switching of a tabBar during a drag&drop
 r886 void DragDropHelper::addDragDropTabBar(QTabBar *tabBar)
{
impl->m_DragDropTabSwitcher->addTabBar(tabBar);
}
void DragDropHelper::removeDragDropTabBar(QTabBar *tabBar)
{
impl->m_DragDropTabSwitcher->removeTabBar(tabBar);
}
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Format changes
 r844 QUrl DragDropHelper::imageTemporaryUrl(const QImage &image) const
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 r837 {
trabillard
Format changes
 r844 image.save(impl->m_ImageTempUrl);
return QUrl::fromLocalFile(impl->m_ImageTempUrl);
trabillard
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 r837 }
trabillard
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trabillard
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 r873 void DragDropHelper::setHightlightedDragWidget(VisualizationDragWidget *dragWidget)
{
if (impl->m_HighlightedDragWidget) {
impl->m_HighlightedDragWidget->highlightForMerge(false);
trabillard
Improves reliability
 r874 QObject::disconnect(impl->m_HighlightedWidgetDestroyedConnection);
trabillard
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 r873 }
if (dragWidget) {
trabillard
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 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; });
trabillard
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 r873 }
trabillard
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 r874
impl->m_HighlightedDragWidget = dragWidget;
trabillard
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 r873 }
trabillard
drop of variable inside an existing graph
 r875 VisualizationDragWidget *DragDropHelper::getHightlightedDragWidget() const
{
return impl->m_HighlightedDragWidget;
}
Thibaud Rabillard
Fix for D&D bug on mac
 r911 void DragDropHelper::delayedCloseWidget(QWidget *widget)
{
widget->hide();
impl->m_WidgetToClose << widget;
}
void DragDropHelper::doCloseWidgets()
{
for (auto widget : impl->m_WidgetToClose) {
widget->close();
}
impl->m_WidgetToClose.clear();
}
trabillard
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 r850 bool DragDropHelper::checkMimeDataForVisualization(const QMimeData *mimeData,
VisualizationDragDropContainer *dropContainer)
{
trabillard
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 r868 if (!mimeData || !dropContainer) {
qCWarning(LOG_DragDropHelper()) << QObject::tr(
"DragDropHelper::checkMimeDataForVisualization, invalid input parameters.");
Q_ASSERT(false);
trabillard
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 r876 return false;
trabillard
Drag of product
 r868 }
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 r876 auto result = false;
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if (mimeData->hasFormat(MIME_TYPE_VARIABLE_LIST)) {
auto variables = sqpApp->variableController().variablesForMimeData(
mimeData->data(MIME_TYPE_VARIABLE_LIST));
if (variables.count() == 1) {
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 r876 auto variable = variables.first();
if (variable->dataSeries() != nullptr) {
// Check that the variable is not already in a graph
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trabillard
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 r876 auto parent = dropContainer->parentWidget();
while (parent && qobject_cast<VisualizationWidget *>(parent) == nullptr) {
parent = parent->parentWidget(); // Search for the top level VisualizationWidget
}
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 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 {
qCWarning(LOG_DragDropHelper()) << QObject::tr(
"DragDropHelper::checkMimeDataForVisualization, the parent "
"VisualizationWidget cannot be found. Cannot check if the variable is "
"already used or not.");
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 r850 }
}
else {
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 r876 // result = false: the variable is not fully loaded
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 r850 }
}
else {
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 r876 // result = false: cannot drop multiple variables in the visualisation
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 r850 }
}
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 r876 else {
// Other MIME data
// no special rules, accepted by default
result = true;
}
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return result;
}