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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::multimap<std::shared_ptr<Variable>, QCPAbstractPlottable *> m_VariableToPlotMultiMap; |
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30 | 30 | }; |
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31 | 31 | |
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32 | 32 | VisualizationGraphWidget::VisualizationGraphWidget(const QString &name, QWidget *parent) |
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33 | 33 | : QWidget{parent}, |
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34 | 34 | ui{new Ui::VisualizationGraphWidget}, |
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35 | 35 | impl{spimpl::make_unique_impl<VisualizationGraphWidgetPrivate>()} |
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36 | 36 | { |
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37 | 37 | ui->setupUi(this); |
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38 | 38 | |
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39 | 39 | ui->graphNameLabel->setText(name); |
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40 | 40 | |
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41 | 41 | // 'Close' options : widget is deleted when closed |
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42 | 42 | setAttribute(Qt::WA_DeleteOnClose); |
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43 | 43 | connect(ui->closeButton, &QToolButton::clicked, this, &VisualizationGraphWidget::close); |
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44 | 44 | ui->closeButton->setIcon(sqpApp->style()->standardIcon(QStyle::SP_TitleBarCloseButton)); |
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45 | 45 | |
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46 | 46 | // Set qcpplot properties : |
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47 | 47 | // - Drag (on x-axis) and zoom are enabled |
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48 | 48 | // - Mouse wheel on qcpplot is intercepted to determine the zoom orientation |
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49 | 49 | ui->widget->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom); |
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50 | 50 | ui->widget->axisRect()->setRangeDrag(Qt::Horizontal); |
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51 | 51 | connect(ui->widget, &QCustomPlot::mouseWheel, this, &VisualizationGraphWidget::onMouseWheel); |
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52 | 52 | connect(ui->widget->xAxis, static_cast<void (QCPAxis::*)(const QCPRange &, const QCPRange &)>( |
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53 | 53 | &QCPAxis::rangeChanged), |
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54 | 54 | this, &VisualizationGraphWidget::onRangeChanged); |
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55 | 55 | |
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56 | 56 | // Activates menu when right clicking on the graph |
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57 | 57 | ui->widget->setContextMenuPolicy(Qt::CustomContextMenu); |
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58 | 58 | connect(ui->widget, &QCustomPlot::customContextMenuRequested, this, |
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59 | 59 | &VisualizationGraphWidget::onGraphMenuRequested); |
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60 | 60 | } |
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61 | 61 | |
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62 | 62 | |
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63 | 63 | VisualizationGraphWidget::~VisualizationGraphWidget() |
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64 | 64 | { |
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65 | 65 | delete ui; |
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66 | 66 | } |
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67 | 67 | |
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68 | 68 | void VisualizationGraphWidget::addVariable(std::shared_ptr<Variable> variable) |
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69 | 69 | { |
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70 | 70 | // Uses delegate to create the qcpplot components according to the variable |
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71 | 71 | auto createdPlottables = VisualizationGraphHelper::create(variable, *ui->widget); |
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72 | 72 | |
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73 | 73 | for (auto createdPlottable : qAsConst(createdPlottables)) { |
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74 | 74 | impl->m_VariableToPlotMultiMap.insert({variable, createdPlottable}); |
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75 | 75 | } |
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76 | 76 | |
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77 | 77 | connect(variable.get(), SIGNAL(dataCacheUpdated()), this, SLOT(onDataCacheVariableUpdated())); |
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78 | 78 | } |
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79 | 79 | |
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80 | 80 | void VisualizationGraphWidget::removeVariable(std::shared_ptr<Variable> variable) noexcept |
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81 | 81 | { |
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82 | // Each component associated to the variable : | |
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83 | // - is removed from qcpplot (which deletes it) | |
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84 | // - is no longer referenced in the map | |
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85 | auto componentsIt = impl->m_VariableToPlotMultiMap.equal_range(variable); | |
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86 | for (auto it = componentsIt.first; it != componentsIt.second;) { | |
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87 | ui->widget->removePlottable(it->second); | |
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88 | it = impl->m_VariableToPlotMultiMap.erase(it); | |
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89 | } | |
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90 | ||
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91 | // Updates graph | |
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92 | ui->widget->replot(); | |
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82 | 93 | } |
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83 | 94 | |
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84 | 95 | void VisualizationGraphWidget::accept(IVisualizationWidgetVisitor *visitor) |
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85 | 96 | { |
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86 | 97 | if (visitor) { |
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87 | 98 | visitor->visit(this); |
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88 | 99 | } |
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89 | 100 | else { |
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90 | 101 | qCCritical(LOG_VisualizationGraphWidget()) |
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91 | 102 | << tr("Can't visit widget : the visitor is null"); |
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92 | 103 | } |
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93 | 104 | } |
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94 | 105 | |
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95 | 106 | bool VisualizationGraphWidget::canDrop(const Variable &variable) const |
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96 | 107 | { |
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97 | 108 | /// @todo : for the moment, a graph can always accomodate a variable |
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98 | 109 | Q_UNUSED(variable); |
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99 | 110 | return true; |
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100 | 111 | } |
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101 | 112 | |
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102 | 113 | QString VisualizationGraphWidget::name() const |
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103 | 114 | { |
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104 | 115 | return ui->graphNameLabel->text(); |
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105 | 116 | } |
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106 | 117 | |
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107 | 118 | void VisualizationGraphWidget::onGraphMenuRequested(const QPoint &pos) noexcept |
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108 | 119 | { |
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109 | 120 | QMenu graphMenu{}; |
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110 | 121 | |
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111 | 122 | // Iterates on variables (unique keys) |
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112 | 123 | for (auto it = impl->m_VariableToPlotMultiMap.cbegin(), |
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113 | 124 | end = impl->m_VariableToPlotMultiMap.cend(); |
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114 | 125 | it != end; it = impl->m_VariableToPlotMultiMap.upper_bound(it->first)) { |
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115 | 126 | // 'Remove variable' action |
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116 | 127 | graphMenu.addAction(tr("Remove variable %1").arg(it->first->name()), |
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117 | 128 | [ this, var = it->first ]() { removeVariable(var); }); |
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118 | 129 | } |
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119 | 130 | |
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120 | 131 | if (!graphMenu.isEmpty()) { |
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121 | 132 | graphMenu.exec(mapToGlobal(pos)); |
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122 | 133 | } |
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123 | 134 | } |
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124 | 135 | |
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125 | 136 | void VisualizationGraphWidget::onRangeChanged(const QCPRange &t1, const QCPRange &t2) |
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126 | 137 | { |
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127 | 138 | |
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128 | 139 | qCDebug(LOG_VisualizationGraphWidget()) << tr("VisualizationGraphWidget::onRangeChanged"); |
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129 | 140 | |
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130 | 141 | for (auto it = impl->m_VariableToPlotMultiMap.cbegin(); |
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131 | 142 | it != impl->m_VariableToPlotMultiMap.cend(); ++it) { |
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132 | 143 | |
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133 | 144 | auto variable = it->first; |
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134 | 145 | qCInfo(LOG_VisualizationGraphWidget()) |
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135 | 146 | << tr("TORM: VisualizationGraphWidget::onRangeChanged") |
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136 | 147 | << variable->dataSeries()->xAxisData()->size(); |
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137 | 148 | auto dateTime = SqpDateTime{t2.lower, t2.upper}; |
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138 | 149 | |
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139 | 150 | if (!variable->contains(dateTime)) { |
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140 | 151 | |
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141 | 152 | auto variableDateTimeWithTolerance = dateTime; |
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142 | 153 | if (variable->intersect(dateTime)) { |
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143 | 154 | auto variableDateTime = variable->dateTime(); |
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144 | 155 | if (variableDateTime.m_TStart < dateTime.m_TStart) { |
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145 | 156 | |
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146 | 157 | auto diffEndToKeepDelta = dateTime.m_TEnd - variableDateTime.m_TEnd; |
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147 | 158 | dateTime.m_TStart = variableDateTime.m_TStart + diffEndToKeepDelta; |
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148 | 159 | // Tolerance have to be added to the right |
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149 | 160 | // add 10% tolerance for right (end) side |
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150 | 161 | auto tolerance = 0.1 * (dateTime.m_TEnd - dateTime.m_TStart); |
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151 | 162 | variableDateTimeWithTolerance.m_TEnd += tolerance; |
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152 | 163 | } |
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153 | 164 | if (variableDateTime.m_TEnd > dateTime.m_TEnd) { |
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154 | 165 | auto diffStartToKeepDelta = dateTime.m_TStart - dateTime.m_TStart; |
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155 | 166 | dateTime.m_TEnd = variableDateTime.m_TEnd - diffStartToKeepDelta; |
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156 | 167 | // Tolerance have to be added to the left |
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157 | 168 | // add 10% tolerance for left (start) side |
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158 | 169 | auto tolerance = 0.1 * (dateTime.m_TEnd - dateTime.m_TStart); |
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159 | 170 | variableDateTimeWithTolerance.m_TStart -= tolerance; |
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160 | 171 | } |
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161 | 172 | } |
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162 | 173 | else { |
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163 | 174 | // add 10% tolerance for each side |
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164 | 175 | auto tolerance = 0.1 * (dateTime.m_TEnd - dateTime.m_TStart); |
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165 | 176 | variableDateTimeWithTolerance.m_TStart -= tolerance; |
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166 | 177 | variableDateTimeWithTolerance.m_TEnd += tolerance; |
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167 | 178 | } |
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168 | 179 | variable->setDateTime(dateTime); |
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169 | 180 | |
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170 | 181 | // CHangement detected, we need to ask controller to request data loading |
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171 | 182 | sqpApp->variableController().requestDataLoading(variable, |
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172 | 183 | variableDateTimeWithTolerance); |
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173 | 184 | } |
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174 | 185 | } |
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175 | 186 | } |
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176 | 187 | |
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177 | 188 | void VisualizationGraphWidget::onMouseWheel(QWheelEvent *event) noexcept |
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178 | 189 | { |
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179 | 190 | auto zoomOrientations = QFlags<Qt::Orientation>{}; |
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180 | 191 | |
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181 | 192 | // Lambda that enables a zoom orientation if the key modifier related to this orientation |
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182 | 193 | // has |
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183 | 194 | // been pressed |
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184 | 195 | auto enableOrientation |
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185 | 196 | = [&zoomOrientations, event](const auto &orientation, const auto &modifier) { |
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186 | 197 | auto orientationEnabled = event->modifiers().testFlag(modifier); |
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187 | 198 | zoomOrientations.setFlag(orientation, orientationEnabled); |
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188 | 199 | }; |
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189 | 200 | enableOrientation(Qt::Vertical, VERTICAL_ZOOM_MODIFIER); |
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190 | 201 | enableOrientation(Qt::Horizontal, HORIZONTAL_ZOOM_MODIFIER); |
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191 | 202 | |
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192 | 203 | ui->widget->axisRect()->setRangeZoom(zoomOrientations); |
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193 | 204 | } |
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194 | 205 | |
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195 | 206 | void VisualizationGraphWidget::onDataCacheVariableUpdated() |
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196 | 207 | { |
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197 | 208 | // NOTE: |
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198 | 209 | // We don't want to call the method for each component of a variable unitarily, but for |
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199 | 210 | // all |
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200 | 211 | // its components at once (eg its three components in the case of a vector). |
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201 | 212 | |
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202 | 213 | // The unordered_multimap does not do this easily, so the question is whether to: |
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203 | 214 | // - use an ordered_multimap and the algos of std to group the values by key |
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204 | 215 | // - use a map (unique keys) and store as values directly the list of components |
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205 | 216 | |
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206 | 217 | for (auto it = impl->m_VariableToPlotMultiMap.cbegin(); |
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207 | 218 | it != impl->m_VariableToPlotMultiMap.cend(); ++it) { |
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208 | 219 | auto variable = it->first; |
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209 | 220 | VisualizationGraphHelper::updateData(QVector<QCPAbstractPlottable *>{} << it->second, |
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210 | 221 | variable->dataSeries(), variable->dateTime()); |
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211 | 222 | } |
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212 | 223 | } |
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213 | 224 | |
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214 | 225 | void VisualizationGraphWidget::updateDisplay(std::shared_ptr<Variable> variable) |
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215 | 226 | { |
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216 | 227 | auto abstractPlotableItPair = impl->m_VariableToPlotMultiMap.equal_range(variable); |
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217 | 228 | |
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218 | 229 | auto abstractPlotableVect = QVector<QCPAbstractPlottable *>{}; |
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219 | 230 | |
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220 | 231 | for (auto it = abstractPlotableItPair.first; it != abstractPlotableItPair.second; ++it) { |
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221 | 232 | abstractPlotableVect.push_back(it->second); |
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222 | 233 | } |
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223 | 234 | |
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224 | 235 | VisualizationGraphHelper::updateData(abstractPlotableVect, variable->dataSeries(), |
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225 | 236 | variable->dateTime()); |
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226 | 237 | } |
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