##// END OF EJS Templates
Small GUI fix, show full names in repository tree view...
Small GUI fix, show full names in repository tree view Signed-off-by: Alexis Jeandet <alexis.jeandet@member.fsf.org>

File last commit:

r1420:3c3e24550401
r1461:021e7c505ad4
Show More
VisualizationZoneWidget.cpp
695 lines | 25.4 KiB | text/x-c | CppLexer
/ gui / src / Visualization / VisualizationZoneWidget.cpp
#include "Visualization/VisualizationZoneWidget.h"
#include "Visualization/IVisualizationWidgetVisitor.h"
#include "Visualization/QCustomPlotSynchronizer.h"
#include "Visualization/VisualizationGraphWidget.h"
#include "Visualization/VisualizationWidget.h"
#include "ui_VisualizationZoneWidget.h"
#include "Common/MimeTypesDef.h"
#include "Common/VisualizationDef.h"
#include <Data/DateTimeRange.h>
#include <Data/DateTimeRangeHelper.h>
#include <DataSource/DataSourceController.h>
#include <Time/TimeController.h>
#include <Variable/Variable2.h>
#include <Variable/VariableController2.h>
#include <Visualization/operations/FindVariableOperation.h>
#include <DragAndDrop/DragDropGuiController.h>
#include <QUuid>
#include <SqpApplication.h>
#include <cmath>
#include <QLayout>
#include <QStyle>
Q_LOGGING_CATEGORY(LOG_VisualizationZoneWidget, "VisualizationZoneWidget")
namespace
{
/**
* Applies a function to all graphs of the zone represented by its layout
* @param layout the layout that contains graphs
* @param fun the function to apply to each graph
*/
template <typename Fun>
void processGraphs(QLayout& layout, Fun fun)
{
for (auto i = 0; i < layout.count(); ++i)
{
if (auto item = layout.itemAt(i))
{
if (auto visualizationGraphWidget
= qobject_cast<VisualizationGraphWidget*>(item->widget()))
{
fun(*visualizationGraphWidget);
}
}
}
}
/// Generates a default name for a new graph, according to the number of graphs already displayed in
/// the zone
QString defaultGraphName(QLayout& layout)
{
QSet<QString> existingNames;
processGraphs(
layout, [&existingNames](auto& graphWidget) { existingNames.insert(graphWidget.name()); });
int zoneNum = 1;
QString name;
do
{
name = QObject::tr("Graph ").append(QString::number(zoneNum));
++zoneNum;
} while (existingNames.contains(name));
return name;
}
} // namespace
struct VisualizationZoneWidget::VisualizationZoneWidgetPrivate
{
explicit VisualizationZoneWidgetPrivate()
: m_SynchronisationGroupId { QUuid::createUuid() }
, m_Synchronizer { std::make_unique<QCustomPlotSynchronizer>() }
{
}
QUuid m_SynchronisationGroupId;
std::unique_ptr<IGraphSynchronizer> m_Synchronizer;
void dropGraph(int index, VisualizationZoneWidget* zoneWidget);
void dropVariables(const std::vector<std::shared_ptr<Variable2>>& variables, int index,
VisualizationZoneWidget* zoneWidget);
void dropProducts(
const QVariantList& productsData, int index, VisualizationZoneWidget* zoneWidget);
};
VisualizationZoneWidget::VisualizationZoneWidget(const QString& name, QWidget* parent)
: VisualizationDragWidget { parent }
, ui { new Ui::VisualizationZoneWidget }
, impl { spimpl::make_unique_impl<VisualizationZoneWidgetPrivate>() }
{
ui->setupUi(this);
ui->zoneNameLabel->setText(name);
ui->dragDropContainer->setPlaceHolderType(DragDropGuiController::PlaceHolderType::Graph);
ui->dragDropContainer->setMimeType(
MIME_TYPE_GRAPH, VisualizationDragDropContainer::DropBehavior::Inserted);
ui->dragDropContainer->setMimeType(
MIME_TYPE_VARIABLE_LIST, VisualizationDragDropContainer::DropBehavior::InsertedAndMerged);
ui->dragDropContainer->setMimeType(
MIME_TYPE_PRODUCT_LIST, VisualizationDragDropContainer::DropBehavior::InsertedAndMerged);
ui->dragDropContainer->setMimeType(
MIME_TYPE_TIME_RANGE, VisualizationDragDropContainer::DropBehavior::Merged);
ui->dragDropContainer->setMimeType(
MIME_TYPE_ZONE, VisualizationDragDropContainer::DropBehavior::Forbidden);
ui->dragDropContainer->setMimeType(
MIME_TYPE_SELECTION_ZONE, VisualizationDragDropContainer::DropBehavior::Forbidden);
ui->dragDropContainer->setAcceptMimeDataFunction([this](auto mimeData) {
return sqpApp->dragDropGuiController().checkMimeDataForVisualization(
mimeData, ui->dragDropContainer);
});
auto acceptDragWidgetFun = [](auto dragWidget, auto mimeData) {
if (!mimeData)
{
return false;
}
if (mimeData->hasFormat(MIME_TYPE_VARIABLE_LIST))
{
auto variables = sqpApp->variableController().variables(
Variable2::IDs(mimeData->data(MIME_TYPE_VARIABLE_LIST)));
if (variables.size() != 1)
{
return false;
}
auto variable = variables.front();
if (auto graphWidget = dynamic_cast<const VisualizationGraphWidget*>(dragWidget))
{
return graphWidget->canDrop(*variable);
}
}
return true;
};
ui->dragDropContainer->setAcceptDragWidgetFunction(acceptDragWidgetFun);
connect(ui->dragDropContainer, &VisualizationDragDropContainer::dropOccuredInContainer, this,
&VisualizationZoneWidget::dropMimeData);
connect(ui->dragDropContainer, &VisualizationDragDropContainer::dropOccuredOnWidget, this,
&VisualizationZoneWidget::dropMimeDataOnGraph);
// 'Close' options : widget is deleted when closed
setAttribute(Qt::WA_DeleteOnClose);
connect(ui->closeButton, &QToolButton::clicked, this, &VisualizationZoneWidget::close);
ui->closeButton->setIcon(sqpApp->style()->standardIcon(QStyle::SP_TitleBarCloseButton));
// Synchronisation id
// QMetaObject::invokeMethod(&sqpApp->variableController(), "onAddSynchronizationGroupId",
// Qt::QueuedConnection, Q_ARG(QUuid, impl->m_SynchronisationGroupId));
}
VisualizationZoneWidget::~VisualizationZoneWidget()
{
delete ui;
}
void VisualizationZoneWidget::setZoneRange(const DateTimeRange& range)
{
if (auto graph = firstGraph())
{
graph->setGraphRange(range);
}
else
{
qCWarning(LOG_VisualizationZoneWidget())
<< tr("setZoneRange:Cannot set the range of an empty zone.");
}
}
void VisualizationZoneWidget::addGraph(VisualizationGraphWidget* graphWidget)
{
// Synchronize new graph with others in the zone
// impl->m_Synchronizer->addGraph(*graphWidget);
// ui->dragDropContainer->addDragWidget(graphWidget);
insertGraph(0, graphWidget);
}
void VisualizationZoneWidget::insertGraph(int index, VisualizationGraphWidget* graphWidget)
{
DEPRECATE(
auto layout = ui->dragDropContainer->layout(); for (int i = 0; i < layout->count(); i++) {
auto graph = qobject_cast<VisualizationGraphWidget*>(layout->itemAt(i)->widget());
connect(graphWidget, &VisualizationGraphWidget::setrange_sig, graph,
&VisualizationGraphWidget::setGraphRange);
connect(graph, &VisualizationGraphWidget::setrange_sig, graphWidget,
&VisualizationGraphWidget::setGraphRange);
} if (auto graph = firstGraph()) { graphWidget->setGraphRange(graph->graphRange(), true); })
// Synchronize new graph with others in the zone
impl->m_Synchronizer->addGraph(*graphWidget);
ui->dragDropContainer->insertDragWidget(index, graphWidget);
}
VisualizationGraphWidget* VisualizationZoneWidget::createGraph(std::shared_ptr<Variable2> variable)
{
return createGraph(variable, -1);
}
VisualizationGraphWidget* VisualizationZoneWidget::createGraph(
std::shared_ptr<Variable2> variable, int index)
{
auto graphWidget
= new VisualizationGraphWidget { defaultGraphName(*ui->dragDropContainer->layout()), this };
// Set graph properties
graphWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::MinimumExpanding);
graphWidget->setMinimumHeight(GRAPH_MINIMUM_HEIGHT);
// Lambda to synchronize zone widget
// auto synchronizeZoneWidget = [this, graphWidget](const DateTimeRange &graphRange,
// const DateTimeRange &oldGraphRange) {
// auto zoomType = DateTimeRangeHelper::getTransformationType(oldGraphRange, graphRange);
// auto frameLayout = ui->dragDropContainer->layout();
// for (auto i = 0; i < frameLayout->count(); ++i) {
// auto graphChild
// = dynamic_cast<VisualizationGraphWidget *>(frameLayout->itemAt(i)->widget());
// if (graphChild && (graphChild != graphWidget)) {
// auto graphChildRange = graphChild->graphRange();
// switch (zoomType) {
// case TransformationType::ZoomIn: {
// auto deltaLeft = graphRange.m_TStart - oldGraphRange.m_TStart;
// auto deltaRight = oldGraphRange.m_TEnd - graphRange.m_TEnd;
// graphChildRange.m_TStart += deltaLeft;
// graphChildRange.m_TEnd -= deltaRight;
// break;
// }
// case TransformationType::ZoomOut: {
// auto deltaLeft = oldGraphRange.m_TStart - graphRange.m_TStart;
// auto deltaRight = graphRange.m_TEnd - oldGraphRange.m_TEnd;
// graphChildRange.m_TStart -= deltaLeft;
// graphChildRange.m_TEnd += deltaRight;
// break;
// }
// case TransformationType::PanRight: {
// auto deltaLeft = graphRange.m_TStart - oldGraphRange.m_TStart;
// auto deltaRight = graphRange.m_TEnd - oldGraphRange.m_TEnd;
// graphChildRange.m_TStart += deltaLeft;
// graphChildRange.m_TEnd += deltaRight;
// break;
// }
// case TransformationType::PanLeft: {
// auto deltaLeft = oldGraphRange.m_TStart - graphRange.m_TStart;
// auto deltaRight = oldGraphRange.m_TEnd - graphRange.m_TEnd;
// graphChildRange.m_TStart -= deltaLeft;
// graphChildRange.m_TEnd -= deltaRight;
// break;
// }
// case TransformationType::Unknown: {
// break;
// }
// default:
// qCCritical(LOG_VisualizationZoneWidget())
// << tr("Impossible to synchronize: zoom type not take into
// account");
// // No action
// break;
// }
// graphChild->setFlags(GraphFlag::DisableAll);
// graphChild->setGraphRange(graphChildRange, true);
// graphChild->setFlags(GraphFlag::EnableAll);
// }
// }
// };
// connection for synchronization
// connect(graphWidget, &VisualizationGraphWidget::synchronize, synchronizeZoneWidget);
connect(graphWidget, &VisualizationGraphWidget::variableAdded, this,
&VisualizationZoneWidget::onVariableAdded);
connect(graphWidget, &VisualizationGraphWidget::variableAboutToBeRemoved, this,
&VisualizationZoneWidget::onVariableAboutToBeRemoved);
auto range = DateTimeRange {};
if (auto firstGraph = this->firstGraph())
{
// Case of a new graph in a existant zone
range = firstGraph->graphRange();
}
else
{
// Case of a new graph as the first of the zone
range = variable->range();
}
this->insertGraph(index, graphWidget);
graphWidget->addVariable(variable, range);
graphWidget->setYRange(variable);
return graphWidget;
}
VisualizationGraphWidget* VisualizationZoneWidget::createGraph(
const std::vector<std::shared_ptr<Variable2>> variables, int index)
{
if (variables.empty())
{
return nullptr;
}
auto graphWidget = createGraph(variables.front(), index);
for (auto variableIt = variables.cbegin() + 1; variableIt != variables.cend(); ++variableIt)
{
graphWidget->addVariable(*variableIt, graphWidget->graphRange());
}
return graphWidget;
}
VisualizationGraphWidget* VisualizationZoneWidget::firstGraph() const
{
VisualizationGraphWidget* firstGraph = nullptr;
auto layout = ui->dragDropContainer->layout();
if (layout->count() > 0)
{
if (auto visualizationGraphWidget
= qobject_cast<VisualizationGraphWidget*>(layout->itemAt(0)->widget()))
{
firstGraph = visualizationGraphWidget;
}
}
return firstGraph;
}
void VisualizationZoneWidget::closeAllGraphs()
{
processGraphs(*ui->dragDropContainer->layout(),
[](VisualizationGraphWidget& graphWidget) { graphWidget.close(); });
}
void VisualizationZoneWidget::accept(IVisualizationWidgetVisitor* visitor)
{
if (visitor)
{
visitor->visitEnter(this);
// Apply visitor to graph children: widgets different from graphs are not visited (no
// action)
processGraphs(*ui->dragDropContainer->layout(),
[visitor](VisualizationGraphWidget& graphWidget) { graphWidget.accept(visitor); });
visitor->visitLeave(this);
}
else
{
qCCritical(LOG_VisualizationZoneWidget()) << tr("Can't visit widget : the visitor is null");
}
}
bool VisualizationZoneWidget::canDrop(Variable2& variable) const
{
// A tab can always accomodate a variable
Q_UNUSED(variable);
return true;
}
bool VisualizationZoneWidget::contains(Variable2& variable) const
{
Q_UNUSED(variable);
return false;
}
QString VisualizationZoneWidget::name() const
{
return ui->zoneNameLabel->text();
}
QMimeData* VisualizationZoneWidget::mimeData(const QPoint& position) const
{
Q_UNUSED(position);
auto mimeData = new QMimeData;
mimeData->setData(MIME_TYPE_ZONE, QByteArray {});
if (auto firstGraph = this->firstGraph())
{
auto timeRangeData = TimeController::mimeDataForTimeRange(firstGraph->graphRange());
mimeData->setData(MIME_TYPE_TIME_RANGE, timeRangeData);
}
return mimeData;
}
bool VisualizationZoneWidget::isDragAllowed() const
{
return true;
}
void VisualizationZoneWidget::notifyMouseMoveInGraph(const QPointF& graphPosition,
const QPointF& plotPosition, VisualizationGraphWidget* graphWidget)
{
processGraphs(*ui->dragDropContainer->layout(),
[&graphPosition, &plotPosition, &graphWidget](VisualizationGraphWidget& processedGraph) {
switch (sqpApp->plotsCursorMode())
{
case SqpApplication::PlotsCursorMode::Vertical:
processedGraph.removeHorizontalCursor();
processedGraph.addVerticalCursorAtViewportPosition(graphPosition.x());
break;
case SqpApplication::PlotsCursorMode::Temporal:
processedGraph.addVerticalCursor(plotPosition.x());
processedGraph.removeHorizontalCursor();
break;
case SqpApplication::PlotsCursorMode::Horizontal:
processedGraph.removeVerticalCursor();
if (&processedGraph == graphWidget)
{
processedGraph.addHorizontalCursorAtViewportPosition(graphPosition.y());
}
else
{
processedGraph.removeHorizontalCursor();
}
break;
case SqpApplication::PlotsCursorMode::Cross:
if (&processedGraph == graphWidget)
{
processedGraph.addVerticalCursorAtViewportPosition(graphPosition.x());
processedGraph.addHorizontalCursorAtViewportPosition(graphPosition.y());
}
else
{
processedGraph.removeHorizontalCursor();
processedGraph.removeVerticalCursor();
}
break;
case SqpApplication::PlotsCursorMode::NoCursor:
processedGraph.removeHorizontalCursor();
processedGraph.removeVerticalCursor();
break;
}
});
}
void VisualizationZoneWidget::notifyMouseLeaveGraph(VisualizationGraphWidget* graphWidget)
{
processGraphs(*ui->dragDropContainer->layout(), [](VisualizationGraphWidget& processedGraph) {
processedGraph.removeHorizontalCursor();
processedGraph.removeVerticalCursor();
});
}
void VisualizationZoneWidget::closeEvent(QCloseEvent* event)
{
// Closes graphs in the zone
processGraphs(*ui->dragDropContainer->layout(),
[](VisualizationGraphWidget& graphWidget) { graphWidget.close(); });
// Delete synchronization group from variable controller
QMetaObject::invokeMethod(&sqpApp->variableController(), "onRemoveSynchronizationGroupId",
Qt::QueuedConnection, Q_ARG(QUuid, impl->m_SynchronisationGroupId));
QWidget::closeEvent(event);
}
void VisualizationZoneWidget::onVariableAdded(std::shared_ptr<Variable2> variable)
{
QMetaObject::invokeMethod(&sqpApp->variableController(), "onAddSynchronized",
Qt::QueuedConnection, Q_ARG(std::shared_ptr<Variable2>, variable),
Q_ARG(QUuid, impl->m_SynchronisationGroupId));
}
void VisualizationZoneWidget::onVariableAboutToBeRemoved(std::shared_ptr<Variable2> variable)
{
QMetaObject::invokeMethod(&sqpApp->variableController(), "desynchronize", Qt::QueuedConnection,
Q_ARG(std::shared_ptr<Variable2>, variable), Q_ARG(QUuid, impl->m_SynchronisationGroupId));
}
void VisualizationZoneWidget::dropMimeData(int index, const QMimeData* mimeData)
{
if (mimeData->hasFormat(MIME_TYPE_GRAPH))
{
impl->dropGraph(index, this);
}
else if (mimeData->hasFormat(MIME_TYPE_VARIABLE_LIST))
{
auto variables = sqpApp->variableController().variables(
Variable2::IDs(mimeData->data(MIME_TYPE_VARIABLE_LIST)));
impl->dropVariables(variables, index, this);
}
else if (mimeData->hasFormat(MIME_TYPE_PRODUCT_LIST))
{
auto products = sqpApp->dataSourceController().productsDataForMimeData(
mimeData->data(MIME_TYPE_PRODUCT_LIST));
impl->dropProducts(products, index, this);
}
else
{
qCWarning(LOG_VisualizationZoneWidget())
<< tr("VisualizationZoneWidget::dropMimeData, unknown MIME data received.");
}
}
void VisualizationZoneWidget::dropMimeDataOnGraph(
VisualizationDragWidget* dragWidget, const QMimeData* mimeData)
{
auto graphWidget = qobject_cast<VisualizationGraphWidget*>(dragWidget);
if (!graphWidget)
{
qCWarning(LOG_VisualizationZoneWidget())
<< tr("VisualizationZoneWidget::dropMimeDataOnGraph, dropping in an unknown widget, "
"drop aborted");
Q_ASSERT(false);
return;
}
if (mimeData->hasFormat(MIME_TYPE_VARIABLE_LIST))
{
auto variables = sqpApp->variableController().variables(
Variable2::IDs(mimeData->data(MIME_TYPE_VARIABLE_LIST)));
for (const auto& var : variables)
{
graphWidget->addVariable(var, graphWidget->graphRange());
}
}
else if (mimeData->hasFormat(MIME_TYPE_PRODUCT_LIST))
{
auto products = sqpApp->dataSourceController().productsDataForMimeData(
mimeData->data(MIME_TYPE_PRODUCT_LIST));
auto context = new QObject { this };
auto range = TimeController::timeRangeForMimeData(mimeData->data(MIME_TYPE_TIME_RANGE));
// BTW this is really dangerous, this assumes the next created variable will be this one...
connect(&sqpApp->variableController(), &VariableController2::variableAdded, context,
[this, graphWidget, context, range](auto variable) {
if (sqpApp->variableController().isReady(variable))
{
graphWidget->addVariable(variable, range);
delete context;
}
else
{
// -> this is pure insanity! this is a workaround to make a bad design work
QObject::connect(variable.get(), &Variable2::updated, context,
[graphWidget, context, range, variable]() {
graphWidget->addVariable(variable, range);
delete context;
});
}
},
Qt::QueuedConnection);
auto productData = products.first().toHash();
QMetaObject::invokeMethod(&sqpApp->dataSourceController(), "requestVariable",
Qt::QueuedConnection, Q_ARG(QVariantHash, productData));
}
else if (mimeData->hasFormat(MIME_TYPE_TIME_RANGE))
{
auto range = TimeController::timeRangeForMimeData(mimeData->data(MIME_TYPE_TIME_RANGE));
graphWidget->setGraphRange(range, true, true);
}
else
{
qCWarning(LOG_VisualizationZoneWidget())
<< tr("VisualizationZoneWidget::dropMimeDataOnGraph, unknown MIME data received.");
}
}
void VisualizationZoneWidget::VisualizationZoneWidgetPrivate::dropGraph(
int index, VisualizationZoneWidget* zoneWidget)
{
auto& helper = sqpApp->dragDropGuiController();
auto graphWidget = qobject_cast<VisualizationGraphWidget*>(helper.getCurrentDragWidget());
if (!graphWidget)
{
qCWarning(LOG_VisualizationZoneWidget())
<< tr("VisualizationZoneWidget::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("VisualizationZoneWidget::dropGraph, drop aborted, the parent container of "
"the dropped graph is not found.");
Q_ASSERT(false);
return;
}
const auto& variables = graphWidget->variables();
if (parentDragDropContainer != zoneWidget->ui->dragDropContainer && !variables.empty())
{
// The drop didn't occur in the same zone
// 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);
//}
auto previousParentZoneWidget = graphWidget->parentZoneWidget();
auto nbGraph = parentDragDropContainer->countDragWidget();
if (nbGraph == 1)
{
// This is the only graph in the previous zone, close the zone
helper.delayedCloseWidget(previousParentZoneWidget);
}
else
{
// Close the graph
helper.delayedCloseWidget(graphWidget);
}
// Creates the new graph in the zone
auto newGraphWidget = zoneWidget->createGraph(variables, index);
newGraphWidget->addSelectionZones(graphWidget->selectionZoneRanges());
}
else
{
// The drop occurred in the same zone or the graph is empty
// Simple move of the graph, no variable operation associated
parentDragDropContainer->layout()->removeWidget(graphWidget);
if (variables.empty() && parentDragDropContainer != zoneWidget->ui->dragDropContainer)
{
// The graph is empty and dropped in a different zone.
// Take the range of the first graph in the zone (if existing).
auto layout = zoneWidget->ui->dragDropContainer->layout();
if (layout->count() > 0)
{
if (auto visualizationGraphWidget
= qobject_cast<VisualizationGraphWidget*>(layout->itemAt(0)->widget()))
{
graphWidget->setGraphRange(visualizationGraphWidget->graphRange());
}
}
}
zoneWidget->ui->dragDropContainer->insertDragWidget(index, graphWidget);
}
}
void VisualizationZoneWidget::VisualizationZoneWidgetPrivate::dropVariables(
const std::vector<std::shared_ptr<Variable2>>& variables, int index,
VisualizationZoneWidget* zoneWidget)
{
// Note: the AcceptMimeDataFunction (set on the drop container) ensure there is a single and
// compatible variable here
if (variables.size() > 1)
{
return;
}
zoneWidget->createGraph(variables, index);
}
void VisualizationZoneWidget::VisualizationZoneWidgetPrivate::dropProducts(
const QVariantList& productsData, int index, VisualizationZoneWidget* zoneWidget)
{
// Note: the AcceptMimeDataFunction (set on the drop container) ensure there is a single and
// compatible variable here
if (productsData.count() != 1)
{
qCWarning(LOG_VisualizationZoneWidget())
<< tr("VisualizationTabWidget::dropProducts, dropping multiple products, operation "
"aborted.");
return;
}
auto context = new QObject { zoneWidget };
connect(&sqpApp->variableController(), &VariableController2::variableAdded, context,
[this, index, zoneWidget, context](auto variable) {
zoneWidget->createGraph(variable, index);
delete context; // removes the connection
},
Qt::QueuedConnection);
auto productData = productsData.first().toHash();
QMetaObject::invokeMethod(&sqpApp->dataSourceController(), "requestVariable",
Qt::QueuedConnection, Q_ARG(QVariantHash, productData));
}