##// END OF EJS Templates
Updates UI to not call the sort method when update graphs, as data series are already sorted
Updates UI to not call the sort method when update graphs, as data series are already sorted

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VisualizationGraphHelper.cpp
161 lines | 5.5 KiB | text/x-c | CppLexer
/ gui / src / Visualization / VisualizationGraphHelper.cpp
#include "Visualization/VisualizationGraphHelper.h"
#include "Visualization/qcustomplot.h"
#include <Data/ScalarSeries.h>
#include <Variable/Variable.h>
Q_LOGGING_CATEGORY(LOG_VisualizationGraphHelper, "VisualizationGraphHelper")
namespace {
class SqpDataContainer : public QCPGraphDataContainer {
public:
void appendGraphData(const QCPGraphData &data) { mData.append(data); }
};
/// Format for datetimes on a axis
const auto DATETIME_TICKER_FORMAT = QStringLiteral("yyyy/MM/dd \nhh:mm:ss");
/// Generates the appropriate ticker for an axis, depending on whether the axis displays time or
/// non-time data
QSharedPointer<QCPAxisTicker> axisTicker(bool isTimeAxis)
{
if (isTimeAxis) {
auto dateTicker = QSharedPointer<QCPAxisTickerDateTime>::create();
dateTicker->setDateTimeFormat(DATETIME_TICKER_FORMAT);
return dateTicker;
}
else {
// default ticker
return QSharedPointer<QCPAxisTicker>::create();
}
}
void updateScalarData(QCPAbstractPlottable *component, ScalarSeries &scalarSeries,
const SqpDateTime &dateTime)
{
qCDebug(LOG_VisualizationGraphHelper()) << "TORM: updateScalarData"
<< QThread::currentThread()->objectName();
if (auto qcpGraph = dynamic_cast<QCPGraph *>(component)) {
scalarSeries.lockRead();
{
const auto &xData = scalarSeries.xAxisData()->cdata();
const auto &valuesData = scalarSeries.valuesData()->cdata();
auto xDataBegin = xData.cbegin();
auto xDataEnd = xData.cend();
qCInfo(LOG_VisualizationGraphHelper())
<< "TORM: Current points in cache" << xData.count();
auto sqpDataContainer = QSharedPointer<SqpDataContainer>::create();
qcpGraph->setData(sqpDataContainer);
auto lowerIt = std::lower_bound(xDataBegin, xDataEnd, dateTime.m_TStart);
auto upperIt = std::upper_bound(xDataBegin, xDataEnd, dateTime.m_TEnd);
auto distance = std::distance(xDataBegin, lowerIt);
auto valuesDataIt = valuesData.cbegin() + distance;
for (auto xAxisDataIt = lowerIt; xAxisDataIt != upperIt;
++xAxisDataIt, ++valuesDataIt) {
sqpDataContainer->appendGraphData(QCPGraphData(*xAxisDataIt, *valuesDataIt));
}
qCInfo(LOG_VisualizationGraphHelper())
<< "TORM: Current points displayed" << sqpDataContainer->size();
}
scalarSeries.unlock();
// Display all data
component->parentPlot()->replot();
}
else {
/// @todo DEBUG
}
}
QCPAbstractPlottable *createScalarSeriesComponent(ScalarSeries &scalarSeries, QCustomPlot &plot,
const SqpDateTime &dateTime)
{
auto component = plot.addGraph();
if (component) {
// // Graph data
component->setData(scalarSeries.xAxisData()->data(), scalarSeries.valuesData()->data(),
true);
updateScalarData(component, scalarSeries, dateTime);
// Axes properties
/// @todo : for the moment, no control is performed on the axes: the units and the tickers
/// are fixed for the default x-axis and y-axis of the plot, and according to the new graph
auto setAxisProperties = [](auto axis, const auto &unit) {
// label (unit name)
axis->setLabel(unit.m_Name);
// ticker (depending on the type of unit)
axis->setTicker(axisTicker(unit.m_TimeUnit));
};
setAxisProperties(plot.xAxis, scalarSeries.xAxisUnit());
setAxisProperties(plot.yAxis, scalarSeries.valuesUnit());
// Display all data
component->rescaleAxes();
plot.replot();
}
else {
qCDebug(LOG_VisualizationGraphHelper())
<< QObject::tr("Can't create graph for the scalar series");
}
return component;
}
} // namespace
QVector<QCPAbstractPlottable *> VisualizationGraphHelper::create(std::shared_ptr<Variable> variable,
QCustomPlot &plot) noexcept
{
auto result = QVector<QCPAbstractPlottable *>{};
if (variable) {
// Gets the data series of the variable to call the creation of the right components
// according to its type
if (auto scalarSeries = dynamic_cast<ScalarSeries *>(variable->dataSeries())) {
result.append(createScalarSeriesComponent(*scalarSeries, plot, variable->dateTime()));
}
else {
qCDebug(LOG_VisualizationGraphHelper())
<< QObject::tr("Can't create graph plottables : unmanaged data series type");
}
}
else {
qCDebug(LOG_VisualizationGraphHelper())
<< QObject::tr("Can't create graph plottables : the variable is null");
}
return result;
}
void VisualizationGraphHelper::updateData(QVector<QCPAbstractPlottable *> plotableVect,
IDataSeries *dataSeries, const SqpDateTime &dateTime)
{
if (auto scalarSeries = dynamic_cast<ScalarSeries *>(dataSeries)) {
if (plotableVect.size() == 1) {
updateScalarData(plotableVect.at(0), *scalarSeries, dateTime);
}
else {
qCCritical(LOG_VisualizationGraphHelper()) << QObject::tr(
"Can't update Data of a scalarSeries because there is not only one component "
"associated");
}
}
else {
/// @todo DEBUG
}
}