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1 | 1 | #ifndef SCIQLOP_VISUALIZATIONGRAPHWIDGET_H |
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2 | 2 | #define SCIQLOP_VISUALIZATIONGRAPHWIDGET_H |
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3 | 3 | |
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4 | 4 | #include "Visualization/IVisualizationWidget.h" |
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5 | 5 | |
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6 | 6 | #include <QLoggingCategory> |
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7 | 7 | #include <QWidget> |
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8 | 8 | |
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9 | 9 | #include <memory> |
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10 | 10 | |
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11 | 11 | #include <Common/spimpl.h> |
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12 | 12 | |
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13 | 13 | Q_DECLARE_LOGGING_CATEGORY(LOG_VisualizationGraphWidget) |
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14 | 14 | |
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15 | 15 | class QCPRange; |
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16 | 16 | class Variable; |
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17 | 17 | |
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18 | 18 | namespace Ui { |
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19 | 19 | class VisualizationGraphWidget; |
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20 | 20 | } // namespace Ui |
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21 | 21 | |
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22 | 22 | class VisualizationGraphWidget : public QWidget, public IVisualizationWidget { |
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23 | 23 | Q_OBJECT |
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24 | 24 | |
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25 | 25 | public: |
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26 | 26 | explicit VisualizationGraphWidget(const QString &name = {}, QWidget *parent = 0); |
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27 | 27 | virtual ~VisualizationGraphWidget(); |
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28 | 28 | |
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29 | 29 | void addVariable(std::shared_ptr<Variable> variable); |
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30 | 30 | |
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31 | 31 | // IVisualizationWidget interface |
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32 | 32 | void accept(IVisualizationWidgetVisitor *visitor) override; |
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33 | 33 | bool canDrop(const Variable &variable) const override; |
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34 | 34 | QString name() const override; |
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35 | 35 | |
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36 | 36 | void updateDisplay(std::shared_ptr<Variable> variable); |
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37 | 37 | |
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38 | 38 | |
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39 | 39 | private: |
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40 | 40 | Ui::VisualizationGraphWidget *ui; |
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41 | 41 | |
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42 | 42 | class VisualizationGraphWidgetPrivate; |
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43 | 43 | spimpl::unique_impl_ptr<VisualizationGraphWidgetPrivate> impl; |
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44 | 44 | |
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45 | 45 | private slots: |
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46 | /// Slot called when right clicking on the graph (displays a menu) | |
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47 | void onGraphMenuRequested(const QPoint &pos) noexcept; | |
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46 | 48 | |
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47 | 49 | void onRangeChanged(const QCPRange &t1, const QCPRange &t2); |
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48 | 50 | |
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49 | 51 | /// Slot called when a mouse wheel was made, to perform some processing before the zoom is done |
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50 | 52 | void onMouseWheel(QWheelEvent *event) noexcept; |
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51 | 53 | |
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52 | 54 | void onDataCacheVariableUpdated(); |
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53 | 55 | }; |
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54 | 56 | |
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55 | 57 | #endif // SCIQLOP_VISUALIZATIONGRAPHWIDGET_H |
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1 | 1 | #include "Visualization/VisualizationGraphWidget.h" |
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2 | 2 | #include "Visualization/IVisualizationWidgetVisitor.h" |
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3 | 3 | #include "Visualization/VisualizationGraphHelper.h" |
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4 | 4 | #include "ui_VisualizationGraphWidget.h" |
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5 | 5 | |
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6 | 6 | #include <Data/ArrayData.h> |
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7 | 7 | #include <Data/IDataSeries.h> |
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8 | 8 | #include <SqpApplication.h> |
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9 | 9 | #include <Variable/Variable.h> |
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10 | 10 | #include <Variable/VariableController.h> |
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11 | 11 | |
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12 | 12 | #include <unordered_map> |
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13 | 13 | |
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14 | 14 | Q_LOGGING_CATEGORY(LOG_VisualizationGraphWidget, "VisualizationGraphWidget") |
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15 | 15 | |
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16 | 16 | namespace { |
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17 | 17 | |
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18 | 18 | /// Key pressed to enable zoom on horizontal axis |
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19 | 19 | const auto HORIZONTAL_ZOOM_MODIFIER = Qt::NoModifier; |
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20 | 20 | |
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21 | 21 | /// Key pressed to enable zoom on vertical axis |
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22 | 22 | const auto VERTICAL_ZOOM_MODIFIER = Qt::ControlModifier; |
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23 | 23 | |
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24 | 24 | } // namespace |
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25 | 25 | |
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26 | 26 | struct VisualizationGraphWidget::VisualizationGraphWidgetPrivate { |
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27 | 27 | |
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28 | 28 | // 1 variable -> n qcpplot |
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29 | 29 | std::unordered_multimap<std::shared_ptr<Variable>, QCPAbstractPlottable *> |
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30 | 30 | m_VariableToPlotMultiMap; |
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31 | 31 | }; |
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32 | 32 | |
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33 | 33 | VisualizationGraphWidget::VisualizationGraphWidget(const QString &name, QWidget *parent) |
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34 | 34 | : QWidget{parent}, |
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35 | 35 | ui{new Ui::VisualizationGraphWidget}, |
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36 | 36 | impl{spimpl::make_unique_impl<VisualizationGraphWidgetPrivate>()} |
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37 | 37 | { |
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38 | 38 | ui->setupUi(this); |
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39 | 39 | |
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40 | 40 | ui->graphNameLabel->setText(name); |
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41 | 41 | |
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42 | 42 | // 'Close' options : widget is deleted when closed |
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43 | 43 | setAttribute(Qt::WA_DeleteOnClose); |
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44 | 44 | connect(ui->closeButton, &QToolButton::clicked, this, &VisualizationGraphWidget::close); |
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45 | 45 | ui->closeButton->setIcon(sqpApp->style()->standardIcon(QStyle::SP_TitleBarCloseButton)); |
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46 | 46 | |
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47 | 47 | // Set qcpplot properties : |
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48 | 48 | // - Drag (on x-axis) and zoom are enabled |
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49 | 49 | // - Mouse wheel on qcpplot is intercepted to determine the zoom orientation |
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50 | 50 | ui->widget->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom); |
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51 | 51 | ui->widget->axisRect()->setRangeDrag(Qt::Horizontal); |
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52 | 52 | connect(ui->widget, &QCustomPlot::mouseWheel, this, &VisualizationGraphWidget::onMouseWheel); |
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53 | 53 | connect(ui->widget->xAxis, static_cast<void (QCPAxis::*)(const QCPRange &, const QCPRange &)>( |
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54 | 54 | &QCPAxis::rangeChanged), |
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55 | 55 | this, &VisualizationGraphWidget::onRangeChanged); |
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56 | ||
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57 | // Activates menu when right clicking on the graph | |
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58 | ui->widget->setContextMenuPolicy(Qt::CustomContextMenu); | |
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59 | connect(ui->widget, &QCustomPlot::customContextMenuRequested, this, | |
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60 | &VisualizationGraphWidget::onGraphMenuRequested); | |
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56 | 61 | } |
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57 | 62 | |
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58 | 63 | |
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59 | 64 | VisualizationGraphWidget::~VisualizationGraphWidget() |
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60 | 65 | { |
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61 | 66 | delete ui; |
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62 | 67 | } |
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63 | 68 | |
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64 | 69 | void VisualizationGraphWidget::addVariable(std::shared_ptr<Variable> variable) |
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65 | 70 | { |
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66 | 71 | // Uses delegate to create the qcpplot components according to the variable |
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67 | 72 | auto createdPlottables = VisualizationGraphHelper::create(variable, *ui->widget); |
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68 | 73 | |
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69 | 74 | for (auto createdPlottable : qAsConst(createdPlottables)) { |
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70 | 75 | impl->m_VariableToPlotMultiMap.insert({variable, createdPlottable}); |
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71 | 76 | } |
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72 | 77 | |
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73 | 78 | connect(variable.get(), SIGNAL(dataCacheUpdated()), this, SLOT(onDataCacheVariableUpdated())); |
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74 | 79 | } |
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75 | 80 | |
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76 | 81 | void VisualizationGraphWidget::accept(IVisualizationWidgetVisitor *visitor) |
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77 | 82 | { |
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78 | 83 | if (visitor) { |
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79 | 84 | visitor->visit(this); |
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80 | 85 | } |
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81 | 86 | else { |
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82 | 87 | qCCritical(LOG_VisualizationGraphWidget()) |
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83 | 88 | << tr("Can't visit widget : the visitor is null"); |
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84 | 89 | } |
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85 | 90 | } |
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86 | 91 | |
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87 | 92 | bool VisualizationGraphWidget::canDrop(const Variable &variable) const |
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88 | 93 | { |
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89 | 94 | /// @todo : for the moment, a graph can always accomodate a variable |
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90 | 95 | Q_UNUSED(variable); |
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91 | 96 | return true; |
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92 | 97 | } |
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93 | 98 | |
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94 | 99 | QString VisualizationGraphWidget::name() const |
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95 | 100 | { |
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96 | 101 | return ui->graphNameLabel->text(); |
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97 | 102 | } |
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98 | 103 | |
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104 | void VisualizationGraphWidget::onGraphMenuRequested(const QPoint &pos) noexcept | |
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105 | { | |
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106 | QMenu graphMenu{}; | |
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107 | ||
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108 | ||
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109 | if (!graphMenu.isEmpty()) { | |
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110 | graphMenu.exec(mapToGlobal(pos)); | |
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111 | } | |
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112 | } | |
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113 | ||
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99 | 114 | void VisualizationGraphWidget::onRangeChanged(const QCPRange &t1, const QCPRange &t2) |
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100 | 115 | { |
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101 | 116 | |
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102 | 117 | qCDebug(LOG_VisualizationGraphWidget()) << tr("VisualizationGraphWidget::onRangeChanged"); |
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103 | 118 | |
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104 | 119 | for (auto it = impl->m_VariableToPlotMultiMap.cbegin(); |
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105 | 120 | it != impl->m_VariableToPlotMultiMap.cend(); ++it) { |
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106 | 121 | |
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107 | 122 | auto variable = it->first; |
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108 | 123 | qCInfo(LOG_VisualizationGraphWidget()) |
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109 | 124 | << tr("TORM: VisualizationGraphWidget::onRangeChanged") |
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110 | 125 | << variable->dataSeries()->xAxisData()->size(); |
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111 | 126 | auto dateTime = SqpDateTime{t2.lower, t2.upper}; |
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112 | 127 | |
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113 | 128 | if (!variable->contains(dateTime)) { |
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114 | 129 | |
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115 | 130 | auto variableDateTimeWithTolerance = dateTime; |
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116 | 131 | if (variable->intersect(dateTime)) { |
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117 | 132 | auto variableDateTime = variable->dateTime(); |
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118 | 133 | if (variableDateTime.m_TStart < dateTime.m_TStart) { |
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119 | 134 | |
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120 | 135 | auto diffEndToKeepDelta = dateTime.m_TEnd - variableDateTime.m_TEnd; |
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121 | 136 | dateTime.m_TStart = variableDateTime.m_TStart + diffEndToKeepDelta; |
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122 | 137 | // Tolerance have to be added to the right |
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123 | 138 | // add 10% tolerance for right (end) side |
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124 | 139 | auto tolerance = 0.1 * (dateTime.m_TEnd - dateTime.m_TStart); |
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125 | 140 | variableDateTimeWithTolerance.m_TEnd += tolerance; |
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126 | 141 | } |
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127 | 142 | if (variableDateTime.m_TEnd > dateTime.m_TEnd) { |
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128 | 143 | auto diffStartToKeepDelta = dateTime.m_TStart - dateTime.m_TStart; |
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129 | 144 | dateTime.m_TEnd = variableDateTime.m_TEnd - diffStartToKeepDelta; |
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130 | 145 | // Tolerance have to be added to the left |
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131 | 146 | // add 10% tolerance for left (start) side |
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132 | 147 | auto tolerance = 0.1 * (dateTime.m_TEnd - dateTime.m_TStart); |
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133 | 148 | variableDateTimeWithTolerance.m_TStart -= tolerance; |
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134 | 149 | } |
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135 | 150 | } |
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136 | 151 | else { |
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137 | 152 | // add 10% tolerance for each side |
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138 | 153 | auto tolerance = 0.1 * (dateTime.m_TEnd - dateTime.m_TStart); |
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139 | 154 | variableDateTimeWithTolerance.m_TStart -= tolerance; |
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140 | 155 | variableDateTimeWithTolerance.m_TEnd += tolerance; |
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141 | 156 | } |
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142 | 157 | variable->setDateTime(dateTime); |
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143 | 158 | |
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144 | 159 | // CHangement detected, we need to ask controller to request data loading |
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145 | 160 | sqpApp->variableController().requestDataLoading(variable, |
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146 | 161 | variableDateTimeWithTolerance); |
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147 | 162 | } |
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148 | 163 | } |
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149 | 164 | } |
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150 | 165 | |
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151 | 166 | void VisualizationGraphWidget::onMouseWheel(QWheelEvent *event) noexcept |
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152 | 167 | { |
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153 | 168 | auto zoomOrientations = QFlags<Qt::Orientation>{}; |
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154 | 169 | |
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155 | 170 | // Lambda that enables a zoom orientation if the key modifier related to this orientation |
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156 | 171 | // has |
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157 | 172 | // been pressed |
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158 | 173 | auto enableOrientation |
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159 | 174 | = [&zoomOrientations, event](const auto &orientation, const auto &modifier) { |
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160 | 175 | auto orientationEnabled = event->modifiers().testFlag(modifier); |
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161 | 176 | zoomOrientations.setFlag(orientation, orientationEnabled); |
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162 | 177 | }; |
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163 | 178 | enableOrientation(Qt::Vertical, VERTICAL_ZOOM_MODIFIER); |
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164 | 179 | enableOrientation(Qt::Horizontal, HORIZONTAL_ZOOM_MODIFIER); |
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165 | 180 | |
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166 | 181 | ui->widget->axisRect()->setRangeZoom(zoomOrientations); |
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167 | 182 | } |
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168 | 183 | |
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169 | 184 | void VisualizationGraphWidget::onDataCacheVariableUpdated() |
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170 | 185 | { |
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171 | 186 | // NOTE: |
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172 | 187 | // We don't want to call the method for each component of a variable unitarily, but for |
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173 | 188 | // all |
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174 | 189 | // its components at once (eg its three components in the case of a vector). |
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175 | 190 | |
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176 | 191 | // The unordered_multimap does not do this easily, so the question is whether to: |
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177 | 192 | // - use an ordered_multimap and the algos of std to group the values by key |
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178 | 193 | // - use a map (unique keys) and store as values directly the list of components |
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179 | 194 | |
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180 | 195 | for (auto it = impl->m_VariableToPlotMultiMap.cbegin(); |
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181 | 196 | it != impl->m_VariableToPlotMultiMap.cend(); ++it) { |
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182 | 197 | auto variable = it->first; |
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183 | 198 | VisualizationGraphHelper::updateData(QVector<QCPAbstractPlottable *>{} << it->second, |
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184 | 199 | variable->dataSeries(), variable->dateTime()); |
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185 | 200 | } |
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186 | 201 | } |
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187 | 202 | |
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188 | 203 | void VisualizationGraphWidget::updateDisplay(std::shared_ptr<Variable> variable) |
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189 | 204 | { |
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190 | 205 | auto abstractPlotableItPair = impl->m_VariableToPlotMultiMap.equal_range(variable); |
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191 | 206 | |
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192 | 207 | auto abstractPlotableVect = QVector<QCPAbstractPlottable *>{}; |
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193 | 208 | |
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194 | 209 | for (auto it = abstractPlotableItPair.first; it != abstractPlotableItPair.second; ++it) { |
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195 | 210 | abstractPlotableVect.push_back(it->second); |
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196 | 211 | } |
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197 | 212 | |
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198 | 213 | VisualizationGraphHelper::updateData(abstractPlotableVect, variable->dataSeries(), |
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199 | 214 | variable->dateTime()); |
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200 | 215 | } |
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