GIT_REPOSITORIES/LPP/Users/mperrinel/SciQLop-fork Commit - r306:214febc149fd

Merge branch 'feature/ApplyOnTimeWidget' into develop

perrinel -

r306:214febc149fd

parent child

Context file:

r306:214febc149fd

app/src/MainWindow.cpp +5 0

             /*------------------------------------------------------------------------------
             -- This file is a part of the SciQLop Software
             -- Copyright (C) 2017, Plasma Physics Laboratory - CNRS
             --
             -- This program is free software; you can redistribute it and/or modify
             -- it under the terms of the GNU General Public License as published by
             -- the Free Software Foundation; either version 2 of the License, or
             -- (at your option) any later version.
             --
             -- This program is distributed in the hope that it will be useful,
             -- but WITHOUT ANY WARRANTY; without even the implied warranty of
             -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
             -- GNU General Public License for more details.
             --
             -- You should have received a copy of the GNU General Public License
             -- along with this program; if not, write to the Free Software
             -- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
             -------------------------------------------------------------------------------*/
             /*-- Author : Alexis Jeandet
             -- Mail : alexis.jeandet@member.fsf.org
             ----------------------------------------------------------------------------*/
             #include "MainWindow.h"
             #include "ui_MainWindow.h"
             #include <DataSource/DataSourceController.h>
             #include <DataSource/DataSourceWidget.h>
             #include <SidePane/SqpSidePane.h>
             #include <SqpApplication.h>
             #include <Time/TimeController.h>
             #include <TimeWidget/TimeWidget.h>
             #include <Variable/Variable.h>
+            #include <Variable/VariableController.h>
             #include <Visualization/VisualizationController.h>
             #include <QAction>
             #include <QDate>
             #include <QDateTime>
             #include <QDir>
             #include <QFileDialog>
             #include <QToolBar>
             #include <QToolButton>
             #include <memory.h>
             //#include <omp.h>
             //#include <network/filedownloader.h>
             //#include <qlopdatabase.h>
             //#include <qlopsettings.h>
             //#include <qlopgui.h>
             //#include <spacedata.h>
             //#include "qlopcore.h"
             //#include "qlopcodecmanager.h"
             //#include "cdfcodec.h"
             //#include "amdatxtcodec.h"
             //#include <qlopplotmanager.h>
             #include "iostream"
             Q_LOGGING_CATEGORY(LOG_MainWindow, "MainWindow")
             namespace {
             const auto LEFTMAININSPECTORWIDGETSPLITTERINDEX = 0;
             const auto LEFTINSPECTORSIDEPANESPLITTERINDEX = 1;
             const auto VIEWPLITTERINDEX = 2;
             const auto RIGHTINSPECTORSIDEPANESPLITTERINDEX = 3;
             const auto RIGHTMAININSPECTORWIDGETSPLITTERINDEX = 4;
             }
             class MainWindow::MainWindowPrivate {
             public:
                 QSize m_LastOpenLeftInspectorSize;
                 QSize m_LastOpenRightInspectorSize;
             };
             MainWindow::MainWindow(QWidget *parent)
                     : QMainWindow{parent},
                       m_Ui{new Ui::MainWindow},
                       impl{spimpl::make_unique_impl<MainWindowPrivate>()}
             {
                 m_Ui->setupUi(this);
                 m_Ui->splitter->setCollapsible(LEFTINSPECTORSIDEPANESPLITTERINDEX, false);
                 m_Ui->splitter->setCollapsible(RIGHTINSPECTORSIDEPANESPLITTERINDEX, false);
                 auto leftSidePane = m_Ui->leftInspectorSidePane->sidePane();
                 auto openLeftInspectorAction = new QAction{QIcon{
                                                                ":/icones/previous.png",
                                                            },
                                                            tr("Show/hide the left inspector"), this};
                 auto spacerLeftTop = new QWidget{};
                 spacerLeftTop->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
                 auto spacerLeftBottom = new QWidget{};
                 spacerLeftBottom->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
                 leftSidePane->addWidget(spacerLeftTop);
                 leftSidePane->addAction(openLeftInspectorAction);
                 leftSidePane->addWidget(spacerLeftBottom);
                 auto rightSidePane = m_Ui->rightInspectorSidePane->sidePane();
                 auto openRightInspectorAction = new QAction{QIcon{
                                                                 ":/icones/next.png",
                                                             },
                                                             tr("Show/hide the right inspector"), this};
                 auto spacerRightTop = new QWidget{};
                 spacerRightTop->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
                 auto spacerRightBottom = new QWidget{};
                 spacerRightBottom->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
                 rightSidePane->addWidget(spacerRightTop);
                 rightSidePane->addAction(openRightInspectorAction);
                 rightSidePane->addWidget(spacerRightBottom);
                 openLeftInspectorAction->setCheckable(true);
                 openRightInspectorAction->setCheckable(true);
                 auto openInspector = [this](bool checked, bool right, auto action) {
                     action->setIcon(QIcon{(checked xor right) ? ":/icones/next.png" : ":/icones/previous.png"});
                     auto &lastInspectorSize
                         = right ? impl->m_LastOpenRightInspectorSize : impl->m_LastOpenLeftInspectorSize;
                     auto nextInspectorSize = right ? m_Ui->rightMainInspectorWidget->size()
                                                    : m_Ui->leftMainInspectorWidget->size();
                     // Update of the last opened geometry
                     if (checked) {
                         lastInspectorSize = nextInspectorSize;
                     }
                     auto startSize = lastInspectorSize;
                     auto endSize = startSize;
                     endSize.setWidth(0);
                     auto splitterInspectorIndex
                         = right ? RIGHTMAININSPECTORWIDGETSPLITTERINDEX : LEFTMAININSPECTORWIDGETSPLITTERINDEX;
                     auto currentSizes = m_Ui->splitter->sizes();
                     if (checked) {
                         // adjust sizes individually here, e.g.
                         currentSizes[splitterInspectorIndex] -= lastInspectorSize.width();
                         currentSizes[VIEWPLITTERINDEX] += lastInspectorSize.width();
                         m_Ui->splitter->setSizes(currentSizes);
                     }
                     else {
                         // adjust sizes individually here, e.g.
                         currentSizes[splitterInspectorIndex] += lastInspectorSize.width();
                         currentSizes[VIEWPLITTERINDEX] -= lastInspectorSize.width();
                         m_Ui->splitter->setSizes(currentSizes);
                     }
                 };
                 connect(openLeftInspectorAction, &QAction::triggered,
                         [openInspector, openLeftInspectorAction](bool checked) {
                             openInspector(checked, false, openLeftInspectorAction);
                         });
                 connect(openRightInspectorAction, &QAction::triggered,
                         [openInspector, openRightInspectorAction](bool checked) {
                             openInspector(checked, true, openRightInspectorAction);
                         });
                 this->menuBar()->addAction(tr("File"));
                 auto mainToolBar = this->addToolBar(QStringLiteral("MainToolBar"));
                 auto timeWidget = new TimeWidget{};
                 mainToolBar->addWidget(timeWidget);
                 // Widgets / controllers connections
                 // DataSource
                 connect(&sqpApp->dataSourceController(), SIGNAL(dataSourceItemSet(DataSourceItem *)),
                         m_Ui->dataSourceWidget, SLOT(addDataSource(DataSourceItem *)));
                 // Time
                 connect(timeWidget, SIGNAL(timeUpdated(SqpDateTime)), &sqpApp->timeController(),
                         SLOT(onTimeToUpdate(SqpDateTime)));
+                qRegisterMetaType<SqpDateTime>();
+                connect(&sqpApp->timeController(), SIGNAL(timeUpdated(SqpDateTime)),
+                        &sqpApp->variableController(), SLOT(onDateTimeOnSelection(SqpDateTime)));
                 // Widgets / widgets connections
                 qRegisterMetaType<std::shared_ptr<Variable> >();
                 // For the following connections, we use DirectConnection to allow each widget that can
                 // potentially attach a menu to the variable's menu to do so before this menu is displayed.
                 // The order of connections is also important, since it determines the order in which each
                 // widget will attach its menu
                 connect(
                     m_Ui->variableInspectorWidget,
                     SIGNAL(tableMenuAboutToBeDisplayed(QMenu *, const QVector<std::shared_ptr<Variable> > &)),
                     m_Ui->view, SLOT(attachVariableMenu(QMenu *, const QVector<std::shared_ptr<Variable> > &)),
                     Qt::DirectConnection);
                 /*    QLopGUI::registerMenuBar(menuBar());
                     this->setWindowIcon(QIcon(":/sciqlopLOGO.svg"));
                     this->m_progressWidget = new QWidget();
                     this->m_progressLayout = new QVBoxLayout(this->m_progressWidget);
                     this->m_progressWidget->setLayout(this->m_progressLayout);
                     this->m_progressWidget->setWindowModality(Qt::WindowModal);
                     m_progressThreadIds = (int*) malloc(OMP_THREADS*sizeof(int));
                     for(int i=0;i<OMP_THREADS;i++)
                     {
                         this->m_progress.append(new QProgressBar(this->m_progressWidget));
                         this->m_progress.last()->setMinimum(0);
                         this->m_progress.last()->setMaximum(100);
                         this->m_progressLayout->addWidget(this->m_progress.last());
                         this->m_progressWidget->hide();
                         this->m_progressThreadIds[i] = -1;
                     }
                     this->m_progressWidget->setWindowTitle("Loading File");
                     const QList<QLopService*>ServicesToLoad=QList<QLopService*>()
                             << QLopCore::self()
                             << QLopPlotManager::self()
                             << QLopCodecManager::self()
                             << FileDownloader::self()
                             << QLopDataBase::self()
                             << SpaceData::self();
                     CDFCodec::registerToManager();
                     AMDATXTCodec::registerToManager();
                     for(int i=0;i<ServicesToLoad.count();i++)
                     {
                         qDebug()<<ServicesToLoad.at(i)->serviceName();
                         ServicesToLoad.at(i)->initialize(); //must be called before getGUI
                         QDockWidget* wdgt=ServicesToLoad.at(i)->getGUI();
                         if(wdgt)
                         {
                             wdgt->setAllowedAreas(Qt::AllDockWidgetAreas);
                             this->addDockWidget(Qt::TopDockWidgetArea,wdgt);
                         }
                         PythonQt::self()->getMainModule().addObject(ServicesToLoad.at(i)->serviceName(),(QObject*)ServicesToLoad.at(i));
                     }*/
             }
             MainWindow::~MainWindow()
             {
             }
             void MainWindow::changeEvent(QEvent *e)
             {
                 QMainWindow::changeEvent(e);
                 switch (e->type()) {
                     case QEvent::LanguageChange:
                         m_Ui->retranslateUi(this);
                         break;
                     default:
                         break;
                 }
             }

core/include/Time/TimeController.h +4 -1

             #ifndef SCIQLOP_TIMECONTROLLER_H
             #define SCIQLOP_TIMECONTROLLER_H
             #include <Data/SqpDateTime.h>
             #include <QLoggingCategory>
             #include <QObject>
             #include <Common/spimpl.h>
             Q_DECLARE_LOGGING_CATEGORY(LOG_TimeController)
             /**
              * @brief The TimeController class aims to handle the Time parameters notification in SciQlop.
              */
             class TimeController : public QObject {
                 Q_OBJECT
             public:
                 explicit TimeController(QObject *parent = 0);
                 SqpDateTime dateTime() const noexcept;
             signals:
                 /// Signal emitted to notify that time parameters has beed updated
                 void timeUpdated(SqpDateTime time);
             public slots:
-                /// Slot called when a new dateTime has been defined. Call timeUpdated signal
+                /// Slot called when a new dateTime has been defined.
                 void onTimeToUpdate(SqpDateTime dateTime);
+                /// Slot called when the dateTime has to be notified. Call timeUpdated signal
+                void onTimeNotify();
             private:
                 class TimeControllerPrivate;
                 spimpl::unique_impl_ptr<TimeControllerPrivate> impl;
             };
             #endif // SCIQLOP_TIMECONTROLLER_H

core/include/Variable/Variable.h 0 -1

             #ifndef SCIQLOP_VARIABLE_H
             #define SCIQLOP_VARIABLE_H
             #include <Data/SqpDateTime.h>
             #include <QLoggingCategory>
             #include <QObject>
             #include <Common/spimpl.h>
             Q_DECLARE_LOGGING_CATEGORY(LOG_Variable)
             class IDataSeries;
             class QString;
             /**
              * @brief The Variable class represents a variable in SciQlop.
              */
             class Variable : public QObject {
                 Q_OBJECT
             public:
                 explicit Variable(const QString &name, const QString &unit, const QString &mission,
                                   const SqpDateTime &dateTime);
                 QString name() const noexcept;
                 QString mission() const noexcept;
                 QString unit() const noexcept;
                 SqpDateTime dateTime() const noexcept;
                 void setDateTime(const SqpDateTime &dateTime) noexcept;
                 /// @return the data of the variable, nullptr if there is no data
                 IDataSeries *dataSeries() const noexcept;
                 bool contains(const SqpDateTime &dateTime);
                 bool intersect(const SqpDateTime &dateTime);
                 void setDataSeries(std::unique_ptr<IDataSeries> dataSeries) noexcept;
             public slots:
                 void onAddDataSeries(std::shared_ptr<IDataSeries> dataSeries) noexcept;
             signals:
                 void updated();
             private:
                 class VariablePrivate;
                 spimpl::unique_impl_ptr<VariablePrivate> impl;
             };
             // Required for using shared_ptr in signals/slots
             Q_DECLARE_METATYPE(std::shared_ptr<Variable>)
             #endif // SCIQLOP_VARIABLE_H

core/include/Variable/VariableController.h +5 -1

             #ifndef SCIQLOP_VARIABLECONTROLLER_H
             #define SCIQLOP_VARIABLECONTROLLER_H
             #include <Data/SqpDateTime.h>
             #include <QLoggingCategory>
             #include <QObject>
             #include <Common/spimpl.h>
             class IDataProvider;
+            class QItemSelectionModel;
             class TimeController;
             class Variable;
             class VariableModel;
             Q_DECLARE_LOGGING_CATEGORY(LOG_VariableController)
             /**
              * @brief The VariableController class aims to handle the variables in SciQlop.
              */
             class VariableController : public QObject {
                 Q_OBJECT
             public:
                 explicit VariableController(QObject *parent = 0);
                 virtual ~VariableController();
                 VariableModel *variableModel() noexcept;
+                QItemSelectionModel *variableSelectionModel() noexcept;
                 void setTimeController(TimeController *timeController) noexcept;
             signals:
                 /// Signal emitted when a variable has been created
                 void variableCreated(std::shared_ptr<Variable> variable);
             public slots:
                 /// Request the data loading of the variable whithin dateTime
                 void onRequestDataLoading(std::shared_ptr<Variable> variable, const SqpDateTime &dateTime);
                 /**
                  * Creates a new variable and adds it to the model
                  * @param name the name of the new variable
                  * @param provider the data provider for the new variable
                  */
                 void createVariable(const QString &name, std::shared_ptr<IDataProvider> provider) noexcept;
+                /// Update the temporal parameters of every selected variable to dateTime
+                void onDateTimeOnSelection(const SqpDateTime &dateTime);
                 void initialize();
                 void finalize();
             private:
                 void waitForFinish();
                 class VariableControllerPrivate;
                 spimpl::unique_impl_ptr<VariableControllerPrivate> impl;
             };
             #endif // SCIQLOP_VARIABLECONTROLLER_H

core/src/Time/TimeController.cpp +4 -1

             #include "Time/TimeController.h"
             Q_LOGGING_CATEGORY(LOG_TimeController, "TimeController")
             struct TimeController::TimeControllerPrivate {
                 SqpDateTime m_DateTime;
             };
             TimeController::TimeController(QObject *parent)
                     : QObject{parent}, impl{spimpl::make_unique_impl<TimeControllerPrivate>()}
             {
                 qCDebug(LOG_TimeController()) << tr("TimeController construction");
             }
             SqpDateTime TimeController::dateTime() const noexcept
             {
                 return impl->m_DateTime;
             }
             void TimeController::onTimeToUpdate(SqpDateTime dateTime)
             {
                 impl->m_DateTime = dateTime;
+            }
-                emit timeUpdated(dateTime);
+            void TimeController::onTimeNotify()
+            {
+                emit timeUpdated(impl->m_DateTime);
             }

core/src/Variable/VariableCacheController.cpp +3 -3

             #include "Variable/VariableCacheController.h"
             #include "Variable/Variable.h"
             #include <unordered_map>
             Q_LOGGING_CATEGORY(LOG_VariableCacheController, "VariableCacheController")
             struct VariableCacheController::VariableCacheControllerPrivate {
                 std::unordered_map<std::shared_ptr<Variable>, QVector<SqpDateTime> >
                     m_VariableToSqpDateTimeListMap;
                 void addInCacheDataByEnd(const SqpDateTime &dateTime, QVector<SqpDateTime> &dateTimeList,
                                          QVector<SqpDateTime> &notInCache, int cacheIndex,
                                          double currentTStart);
                 void addInCacheDataByStart(const SqpDateTime &dateTime, QVector<SqpDateTime> &dateTimeList,
                                            QVector<SqpDateTime> &notInCache, int cacheIndex,
                                            double currentTStart);
                 void addDateTimeRecurse(const SqpDateTime &dateTime, QVector<SqpDateTime> &dateTimeList,
                                         int cacheIndex);
             };
             VariableCacheController::VariableCacheController(QObject *parent)
                     : QObject{parent}, impl{spimpl::make_unique_impl<VariableCacheControllerPrivate>()}
             {
             }
             void VariableCacheController::addDateTime(std::shared_ptr<Variable> variable,
                                                       const SqpDateTime &dateTime)
             {
                 if (variable) {
                     auto findVariableIte = impl->m_VariableToSqpDateTimeListMap.find(variable);
                     if (findVariableIte == impl->m_VariableToSqpDateTimeListMap.end()) {
                         impl->m_VariableToSqpDateTimeListMap[variable].push_back(dateTime);
                     }
                     else {
                         // addDateTime modify the list<SqpDateTime> of the variable in a way to ensure
                         // that the list is ordered : l(0) < l(1). We assume also a < b
                         // (with a & b of type SqpDateTime) means ts(b) > te(a)
                         // The algorithm will try the merge of two interval:
                         // - dateTime will be compare with the first interval of the list:
                         //   A: if it is inferior, it will be inserted and it's finished.
                         //   B: if it is in intersection, it will be merge then the merged one
                         //      will be compared to the next interval. The old one is remove from the list
                         //   C: if it is superior, we do the same with the next interval of the list
                         try {
                             impl->addDateTimeRecurse(dateTime,
                                                      impl->m_VariableToSqpDateTimeListMap.at(variable), 0);
                         }
                         catch (const std::out_of_range &e) {
-                            qCInfo(LOG_VariableCacheController()) << e.what();
+                            qCWarning(LOG_VariableCacheController()) << e.what();
                         }
                     }
                 }
             }
             QVector<SqpDateTime>
             VariableCacheController::provideNotInCacheDateTimeList(std::shared_ptr<Variable> variable,
                                                                    const SqpDateTime &dateTime)
             {
                 auto notInCache = QVector<SqpDateTime>{};
                 // This algorithm is recursif. The idea is to localise the start time then the end time in the
                 // list of date time request associated to the variable
                 // We assume that the list is ordered in a way that l(0) < l(1). We assume also a < b
                 // (with a & b of type SqpDateTime) means ts(b) > te(a)
                 try {
                     impl->addInCacheDataByStart(dateTime, impl->m_VariableToSqpDateTimeListMap.at(variable),
                                                 notInCache, 0, dateTime.m_TStart);
                 }
                 catch (const std::out_of_range &e) {
-                    qCInfo(LOG_VariableCacheController()) << e.what();
+                    qCWarning(LOG_VariableCacheController()) << e.what();
                 }
                 return notInCache;
             }
             QVector<SqpDateTime>
             VariableCacheController::dateCacheList(std::shared_ptr<Variable> variable) const noexcept
             {
                 try {
                     return impl->m_VariableToSqpDateTimeListMap.at(variable);
                 }
                 catch (const std::out_of_range &e) {
-                    qCInfo(LOG_VariableCacheController()) << e.what();
+                    qCWarning(LOG_VariableCacheController()) << e.what();
                     return QVector<SqpDateTime>{};
                 }
             }
             void VariableCacheController::VariableCacheControllerPrivate::addDateTimeRecurse(
                 const SqpDateTime &dateTime, QVector<SqpDateTime> &dateTimeList, int cacheIndex)
             {
                 const auto dateTimeListSize = dateTimeList.count();
                 if (cacheIndex >= dateTimeListSize) {
                     dateTimeList.push_back(dateTime);
                     // there is no anymore interval to compore, we can just push_back it
                     return;
                 }
                 auto currentDateTime = dateTimeList[cacheIndex];
                 if (dateTime.m_TEnd < currentDateTime.m_TStart) {
                     // The compared one is < to current one compared, we can insert it
                     dateTimeList.insert(cacheIndex, dateTime);
                 }
                 else if (dateTime.m_TStart > currentDateTime.m_TEnd) {
                     // The compared one is > to current one compared  we can comparet if to the next one
                     addDateTimeRecurse(dateTime, dateTimeList, ++cacheIndex);
                 }
                 else {
                     // Merge cases: we need to merge the two interval, remove the old one from the list then
                     // rerun the algo from this index with the merged interval
                     auto mTStart = std::min(dateTime.m_TStart, currentDateTime.m_TStart);
                     auto mTEnd = std::max(dateTime.m_TEnd, currentDateTime.m_TEnd);
                     auto mergeDateTime = SqpDateTime{mTStart, mTEnd};
                     dateTimeList.remove(cacheIndex);
                     addDateTimeRecurse(mergeDateTime, dateTimeList, cacheIndex);
                 }
             }
             void VariableCacheController::VariableCacheControllerPrivate::addInCacheDataByEnd(
                 const SqpDateTime &dateTime, QVector<SqpDateTime> &dateTimeList,
                 QVector<SqpDateTime> &notInCache, int cacheIndex, double currentTStart)
             {
                 const auto dateTimeListSize = dateTimeList.count();
                 if (cacheIndex >= dateTimeListSize) {
                     if (currentTStart < dateTime.m_TEnd) {
                         // te localised after all other interval: The last interval is [currentTsart, te]
                         notInCache.push_back(SqpDateTime{currentTStart, dateTime.m_TEnd});
                     }
                     return;
                 }
                 auto currentDateTimeJ = dateTimeList[cacheIndex];
                 if (dateTime.m_TEnd <= currentDateTimeJ.m_TStart) {
                     // te localised between to interval: The last interval is [currentTsart, te]
                     notInCache.push_back(SqpDateTime{currentTStart, dateTime.m_TEnd});
                 }
                 else {
                     notInCache.push_back(SqpDateTime{currentTStart, currentDateTimeJ.m_TStart});
                     if (dateTime.m_TEnd > currentDateTimeJ.m_TEnd) {
                         // te not localised before the current interval: we need to look at the next interval
                         addInCacheDataByEnd(dateTime, dateTimeList, notInCache, ++cacheIndex,
                                             currentDateTimeJ.m_TEnd);
                     }
                 }
             }
             void VariableCacheController::VariableCacheControllerPrivate::addInCacheDataByStart(
                 const SqpDateTime &dateTime, QVector<SqpDateTime> &dateTimeList,
                 QVector<SqpDateTime> &notInCache, int cacheIndex, double currentTStart)
             {
                 const auto dateTimeListSize = dateTimeList.count();
                 if (cacheIndex >= dateTimeListSize) {
                     // ts localised after all other interval: The last interval is [ts, te]
                     notInCache.push_back(SqpDateTime{currentTStart, dateTime.m_TEnd});
                     return;
                 }
                 auto currentDateTimeI = dateTimeList[cacheIndex];
                 if (currentTStart < currentDateTimeI.m_TStart) {
                     // ts localised between to interval: let's localized te
                     addInCacheDataByEnd(dateTime, dateTimeList, notInCache, cacheIndex, currentTStart);
                 }
                 else if (currentTStart < currentDateTimeI.m_TEnd) {
                     if (dateTime.m_TEnd > currentDateTimeI.m_TEnd) {
                         // ts not localised before the current interval: we need to look at the next interval
                         // We can assume now current tstart is the last interval tend, because data between them
                         // are
                         // in the cache
                         addInCacheDataByStart(dateTime, dateTimeList, notInCache, ++cacheIndex,
                                               currentDateTimeI.m_TEnd);
                     }
                 }
                 else {
                     // ts not localised before the current interval: we need to look at the next interval
                     addInCacheDataByStart(dateTime, dateTimeList, notInCache, ++cacheIndex, currentTStart);
                 }
             }
             void VariableCacheController::displayCache(std::shared_ptr<Variable> variable) const
             {
                 auto variableDateTimeList = impl->m_VariableToSqpDateTimeListMap.find(variable);
                 if (variableDateTimeList != impl->m_VariableToSqpDateTimeListMap.end()) {
                     qCInfo(LOG_VariableCacheController()) << tr("VariableCacheController::displayCache")
                                                           << variableDateTimeList->second;
                 }
                 else {
                     qCWarning(LOG_VariableCacheController())
                         << tr("Cannot display a variable that is not in the cache");
                 }
             }

core/src/Variable/VariableController.cpp +20 0

             #include <Variable/Variable.h>
             #include <Variable/VariableCacheController.h>
             #include <Variable/VariableController.h>
             #include <Variable/VariableModel.h>
             #include <Data/DataProviderParameters.h>
             #include <Data/IDataProvider.h>
             #include <Data/IDataSeries.h>
             #include <Time/TimeController.h>
             #include <QDateTime>
             #include <QMutex>
             #include <QThread>
+            #include <QtCore/QItemSelectionModel>
             #include <unordered_map>
             Q_LOGGING_CATEGORY(LOG_VariableController, "VariableController")
             namespace {
             /// @todo Generates default dataseries, according to the provider passed in parameter. This method
             /// will be deleted when the timerange is recovered from SciQlop
             std::unique_ptr<IDataSeries> generateDefaultDataSeries(const IDataProvider &provider,
                                                                    const SqpDateTime &dateTime) noexcept
             {
                 auto parameters = DataProviderParameters{dateTime};
                 return provider.retrieveData(parameters);
             }
             } // namespace
             struct VariableController::VariableControllerPrivate {
                 explicit VariableControllerPrivate(VariableController *parent)
                         : m_WorkingMutex{},
                           m_VariableModel{new VariableModel{parent}},
+                          m_VariableSelectionModel{new QItemSelectionModel{m_VariableModel, parent}},
                           m_VariableCacheController{std::make_unique<VariableCacheController>()}
                 {
                 }
                 QMutex m_WorkingMutex;
                 /// Variable model. The VariableController has the ownership
                 VariableModel *m_VariableModel;
+                QItemSelectionModel *m_VariableSelectionModel;
                 TimeController *m_TimeController{nullptr};
                 std::unique_ptr<VariableCacheController> m_VariableCacheController;
                 std::unordered_map<std::shared_ptr<Variable>, std::shared_ptr<IDataProvider> >
                     m_VariableToProviderMap;
             };
             VariableController::VariableController(QObject *parent)
                     : QObject{parent}, impl{spimpl::make_unique_impl<VariableControllerPrivate>(this)}
             {
                 qCDebug(LOG_VariableController()) << tr("VariableController construction")
                                                   << QThread::currentThread();
             }
             VariableController::~VariableController()
             {
                 qCDebug(LOG_VariableController()) << tr("VariableController destruction")
                                                   << QThread::currentThread();
                 this->waitForFinish();
             }
             VariableModel *VariableController::variableModel() noexcept
             {
                 return impl->m_VariableModel;
             }
+            QItemSelectionModel *VariableController::variableSelectionModel() noexcept
+            {
+                return impl->m_VariableSelectionModel;
+            }
             void VariableController::setTimeController(TimeController *timeController) noexcept
             {
                 impl->m_TimeController = timeController;
             }
             void VariableController::createVariable(const QString &name,
                                                     std::shared_ptr<IDataProvider> provider) noexcept
             {
                 if (!impl->m_TimeController) {
                     qCCritical(LOG_VariableController())
                         << tr("Impossible to create variable: The time controller is null");
                     return;
                 }
                 /// @todo : for the moment :
                 /// - the provider is only used to retrieve data from the variable for its initialization, but
                 /// it will be retained later
                 /// - default data are generated for the variable, without taking into account the timerange set
                 /// in sciqlop
                 auto dateTime = impl->m_TimeController->dateTime();
                 if (auto newVariable = impl->m_VariableModel->createVariable(
                         name, dateTime, generateDefaultDataSeries(*provider, dateTime))) {
                     // store the provider
                     impl->m_VariableToProviderMap[newVariable] = provider;
                     qRegisterMetaType<std::shared_ptr<IDataSeries> >();
                     qRegisterMetaType<SqpDateTime>();
                     connect(provider.get(), &IDataProvider::dataProvided, newVariable.get(),
                             &Variable::onAddDataSeries);
                     // store in cache
                     impl->m_VariableCacheController->addDateTime(newVariable, dateTime);
                     // notify the creation
                     emit variableCreated(newVariable);
                 }
             }
+            void VariableController::onDateTimeOnSelection(const SqpDateTime &dateTime)
+            {
+                auto selectedRows = impl->m_VariableSelectionModel->selectedRows();
+                for (const auto &selectedRow : qAsConst(selectedRows)) {
+                    if (auto selectedVariable = impl->m_VariableModel->variable(selectedRow.row())) {
+                        selectedVariable->setDateTime(dateTime);
+                        this->onRequestDataLoading(selectedVariable, dateTime);
+                    }
+                }
+            }
             void VariableController::onRequestDataLoading(std::shared_ptr<Variable> variable,
                                                           const SqpDateTime &dateTime)
             {
                 // we want to load data of the variable for the dateTime.
                 // First we check if the cache contains some of them.
                 // For the other, we ask the provider to give them.
                 if (variable) {
                     auto dateTimeListNotInCache
                         = impl->m_VariableCacheController->provideNotInCacheDateTimeList(variable, dateTime);
                     if (!dateTimeListNotInCache.empty()) {
                         // Ask the provider for each data on the dateTimeListNotInCache
                         impl->m_VariableToProviderMap.at(variable)->requestDataLoading(
                             std::move(dateTimeListNotInCache));
                         // store in cache
                         impl->m_VariableCacheController->addDateTime(variable, dateTime);
                     }
                     else {
                         emit variable->updated();
                     }
                 }
                 else {
                     qCCritical(LOG_VariableController()) << tr("Impossible to load data of a variable null");
                 }
             }
             void VariableController::initialize()
             {
                 qCDebug(LOG_VariableController()) << tr("VariableController init") << QThread::currentThread();
                 impl->m_WorkingMutex.lock();
                 qCDebug(LOG_VariableController()) << tr("VariableController init END");
             }
             void VariableController::finalize()
             {
                 impl->m_WorkingMutex.unlock();
             }
             void VariableController::waitForFinish()
             {
                 QMutexLocker locker{&impl->m_WorkingMutex};
             }

gui/src/TimeWidget/TimeWidget.cpp +19 0

             #include "TimeWidget/TimeWidget.h"
             #include "ui_TimeWidget.h"
+            #include <SqpApplication.h>
+            #include <Time/TimeController.h>
             TimeWidget::TimeWidget(QWidget *parent) : QWidget{parent}, ui{new Ui::TimeWidget}
             {
                 ui->setupUi(this);
+                ui->applyToolButton->setIcon(sqpApp->style()->standardIcon(QStyle::SP_DialogApplyButton));
                 // Connection
                 connect(ui->startDateTimeEdit, &QDateTimeEdit::dateTimeChanged, this,
                         &TimeWidget::onTimeUpdateRequested);
                 connect(ui->endDateTimeEdit, &QDateTimeEdit::dateTimeChanged, this,
                         &TimeWidget::onTimeUpdateRequested);
+                connect(ui->applyToolButton, &QToolButton::clicked, &sqpApp->timeController(),
+                        &TimeController::onTimeNotify);
+                // Initialisation
+                ui->startDateTimeEdit->setDateTime(
+                    QDateTime::currentDateTime().addSecs(-3600)); // one hour berefore
+                ui->endDateTimeEdit->setDateTime(QDateTime::currentDateTime());
+                auto dateTime
+                    = SqpDateTime{QDateTime::currentDateTime().addSecs(-3600).toMSecsSinceEpoch() / 1000.0,
+                                  QDateTime::currentDateTime().toMSecsSinceEpoch() / 1000.0};
+                sqpApp->timeController().onTimeToUpdate(dateTime);
             }
             TimeWidget::~TimeWidget()
             {
                 delete ui;
             }
             void TimeWidget::onTimeUpdateRequested()
             {
                 auto dateTime = SqpDateTime{
                     static_cast<double>(ui->startDateTimeEdit->dateTime().toMSecsSinceEpoch() / 1000.),
                     static_cast<double>(ui->endDateTimeEdit->dateTime().toMSecsSinceEpoch()) / 1000.};
                 emit timeUpdated(std::move(dateTime));
             }

gui/src/Variable/VariableInspectorWidget.cpp +4 -3

             #include <Variable/VariableController.h>
             #include <Variable/VariableInspectorWidget.h>
             #include <Variable/VariableMenuHeaderWidget.h>
             #include <Variable/VariableModel.h>
             #include <ui_VariableInspectorWidget.h>
             #include <QSortFilterProxyModel>
             #include <QWidgetAction>
             #include <SqpApplication.h>
             Q_LOGGING_CATEGORY(LOG_VariableInspectorWidget, "VariableInspectorWidget")
             VariableInspectorWidget::VariableInspectorWidget(QWidget *parent)
                     : QWidget{parent}, ui{new Ui::VariableInspectorWidget}
             {
                 ui->setupUi(this);
                 // Sets model for table
-                auto sortFilterModel = new QSortFilterProxyModel{this};
+                //    auto sortFilterModel = new QSortFilterProxyModel{this};
-                sortFilterModel->setSourceModel(sqpApp->variableController().variableModel());
+                //    sortFilterModel->setSourceModel(sqpApp->variableController().variableModel());
-                ui->tableView->setModel(sortFilterModel);
+                ui->tableView->setModel(sqpApp->variableController().variableModel());
+                ui->tableView->setSelectionModel(sqpApp->variableController().variableSelectionModel());
                 // Fixes column sizes
                 auto model = ui->tableView->model();
                 const auto count = model->columnCount();
                 for (auto i = 0; i < count; ++i) {
                     ui->tableView->setColumnWidth(
                         i, model->headerData(i, Qt::Horizontal, Qt::SizeHintRole).toSize().width());
                 }
                 // Sets selection options
                 ui->tableView->setSelectionBehavior(QTableView::SelectRows);
                 ui->tableView->setSelectionMode(QTableView::ExtendedSelection);
                 // Connection to show a menu when right clicking on the tree
                 ui->tableView->setContextMenuPolicy(Qt::CustomContextMenu);
                 connect(ui->tableView, &QTableView::customContextMenuRequested, this,
                         &VariableInspectorWidget::onTableMenuRequested);
             }
             VariableInspectorWidget::~VariableInspectorWidget()
             {
                 delete ui;
             }
             void VariableInspectorWidget::onTableMenuRequested(const QPoint &pos) noexcept
             {
                 auto selectedRows = ui->tableView->selectionModel()->selectedRows();
                 // Gets the model to retrieve the underlying selected variables
                 auto model = sqpApp->variableController().variableModel();
                 auto selectedVariables = QVector<std::shared_ptr<Variable> >{};
                 for (const auto &selectedRow : qAsConst(selectedRows)) {
                     if (auto selectedVariable = model->variable(selectedRow.row())) {
                         selectedVariables.push_back(selectedVariable);
                     }
                 }
                 QMenu tableMenu{};
                 // Emits a signal so that potential receivers can populate the menu before displaying it
                 emit tableMenuAboutToBeDisplayed(&tableMenu, selectedVariables);
                 // Adds menu-specific actions
                 if (!selectedVariables.isEmpty()) {
                     // 'Delete' action
                     auto deleteFun = []() {
                         /// @todo ALX : call variable deletion
                     };
                     tableMenu.addSeparator();
                     tableMenu.addAction(QIcon{":/icones/delete.png"}, tr("Delete"), deleteFun);
                 }
                 if (!tableMenu.isEmpty()) {
                     // Generates menu header (inserted before first action)
                     auto firstAction = tableMenu.actions().first();
                     auto headerAction = new QWidgetAction{&tableMenu};
                     headerAction->setDefaultWidget(new VariableMenuHeaderWidget{selectedVariables, &tableMenu});
                     tableMenu.insertAction(firstAction, headerAction);
                     // Displays menu
                     tableMenu.exec(mapToGlobal(pos));
                 }
             }

gui/ui/TimeWidget/TimeWidget.ui +7 0

             <?xml version="1.0" encoding="UTF-8"?>
             <ui version="4.0">
              <class>TimeWidget</class>
              <widget class="QWidget" name="TimeWidget">
               <property name="geometry">
                <rect>
                 <x>0</x>
                 <y>0</y>
                 <width>716</width>
                 <height>48</height>
                </rect>
               </property>
               <property name="sizePolicy">
                <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
                 <horstretch>0</horstretch>
                 <verstretch>0</verstretch>
                </sizepolicy>
               </property>
               <property name="windowTitle">
                <string>Form</string>
               </property>
               <layout class="QHBoxLayout" name="horizontalLayout_2">
                <item>
                 <widget class="QLabel" name="label">
                  <property name="sizePolicy">
                   <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
                    <horstretch>0</horstretch>
                    <verstretch>0</verstretch>
                   </sizepolicy>
                  </property>
                  <property name="text">
                   <string>TStart :</string>
                  </property>
                 </widget>
                </item>
                <item>
                 <widget class="QDateTimeEdit" name="startDateTimeEdit">
                  <property name="sizePolicy">
                   <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
                    <horstretch>0</horstretch>
                    <verstretch>0</verstretch>
                   </sizepolicy>
                  </property>
                  <property name="displayFormat">
                   <string>dd/MM/yyyy HH:mm:ss:zzz</string>
                  </property>
                  <property name="calendarPopup">
                   <bool>true</bool>
                  </property>
                 </widget>
                </item>
                <item>
                 <widget class="QLabel" name="label_2">
                  <property name="sizePolicy">
                   <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
                    <horstretch>0</horstretch>
                    <verstretch>0</verstretch>
                   </sizepolicy>
                  </property>
                  <property name="text">
                   <string>TEnd :</string>
                  </property>
                 </widget>
                </item>
                <item>
                 <widget class="QDateTimeEdit" name="endDateTimeEdit">
                  <property name="sizePolicy">
                   <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
                    <horstretch>0</horstretch>
                    <verstretch>0</verstretch>
                   </sizepolicy>
                  </property>
                  <property name="displayFormat">
                   <string>dd/MM/yyyy HH:mm:ss:zzz</string>
                  </property>
                  <property name="calendarPopup">
                   <bool>true</bool>
                  </property>
                 </widget>
                </item>
+               <item>
+                <widget class="QToolButton" name="applyToolButton">
+                 <property name="text">
+                  <string>...</string>
+                 </property>
+                </widget>
+               </item>
               </layout>
              </widget>
              <resources/>
              <connections/>
             </ui>

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