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Correction delat T on start
perrinel -
r259:7cd04f2c2f1e
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1 1 #include "Visualization/VisualizationGraphWidget.h"
2 2 #include "Visualization/IVisualizationWidgetVisitor.h"
3 3 #include "Visualization/VisualizationGraphHelper.h"
4 4 #include "ui_VisualizationGraphWidget.h"
5 5
6 6 #include <Data/ArrayData.h>
7 7 #include <Data/IDataSeries.h>
8 8 #include <SqpApplication.h>
9 9 #include <Variable/Variable.h>
10 10 #include <Variable/VariableController.h>
11 11
12 12 #include <unordered_map>
13 13
14 14 Q_LOGGING_CATEGORY(LOG_VisualizationGraphWidget, "VisualizationGraphWidget")
15 15
16 16 namespace {
17 17
18 18 /// Key pressed to enable zoom on horizontal axis
19 19 const auto HORIZONTAL_ZOOM_MODIFIER = Qt::NoModifier;
20 20
21 21 /// Key pressed to enable zoom on vertical axis
22 22 const auto VERTICAL_ZOOM_MODIFIER = Qt::ControlModifier;
23 23
24 24 } // namespace
25 25
26 26 struct VisualizationGraphWidget::VisualizationGraphWidgetPrivate {
27 27
28 28 // 1 variable -> n qcpplot
29 29 std::unordered_multimap<std::shared_ptr<Variable>, QCPAbstractPlottable *>
30 30 m_VariableToPlotMultiMap;
31 31 };
32 32
33 33 VisualizationGraphWidget::VisualizationGraphWidget(const QString &name, QWidget *parent)
34 34 : QWidget{parent},
35 35 ui{new Ui::VisualizationGraphWidget},
36 36 impl{spimpl::make_unique_impl<VisualizationGraphWidgetPrivate>()}
37 37 {
38 38 ui->setupUi(this);
39 39
40 40 // qcpplot title
41 41 ui->widget->plotLayout()->insertRow(0);
42 42 ui->widget->plotLayout()->addElement(0, 0, new QCPTextElement{ui->widget, name});
43 43
44 44 // Set qcpplot properties :
45 45 // - Drag (on x-axis) and zoom are enabled
46 46 // - Mouse wheel on qcpplot is intercepted to determine the zoom orientation
47 47 ui->widget->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
48 48 ui->widget->axisRect()->setRangeDrag(Qt::Horizontal);
49 49 connect(ui->widget, &QCustomPlot::mouseWheel, this, &VisualizationGraphWidget::onMouseWheel);
50 50 connect(ui->widget->xAxis, static_cast<void (QCPAxis::*)(const QCPRange &, const QCPRange &)>(
51 51 &QCPAxis::rangeChanged),
52 52 this, &VisualizationGraphWidget::onRangeChanged);
53 53 }
54 54
55 55
56 56 VisualizationGraphWidget::~VisualizationGraphWidget()
57 57 {
58 58 delete ui;
59 59 }
60 60
61 61 void VisualizationGraphWidget::addVariable(std::shared_ptr<Variable> variable)
62 62 {
63 63 // Uses delegate to create the qcpplot components according to the variable
64 64 auto createdPlottables = VisualizationGraphHelper::create(variable, *ui->widget);
65 65
66 66 for (auto createdPlottable : qAsConst(createdPlottables)) {
67 67 impl->m_VariableToPlotMultiMap.insert({variable, createdPlottable});
68 68 }
69 69
70 70 connect(variable.get(), SIGNAL(dataCacheUpdated()), this, SLOT(onDataCacheVariableUpdated()));
71 71 }
72 72
73 73 void VisualizationGraphWidget::accept(IVisualizationWidgetVisitor *visitor)
74 74 {
75 75 if (visitor) {
76 76 visitor->visit(this);
77 77 }
78 78 else {
79 79 qCCritical(LOG_VisualizationGraphWidget())
80 80 << tr("Can't visit widget : the visitor is null");
81 81 }
82 82 }
83 83
84 84 bool VisualizationGraphWidget::canDrop(const Variable &variable) const
85 85 {
86 86 /// @todo : for the moment, a graph can always accomodate a variable
87 87 Q_UNUSED(variable);
88 88 return true;
89 89 }
90 90
91 91 void VisualizationGraphWidget::close()
92 92 {
93 93 // The main view cannot be directly closed.
94 94 return;
95 95 }
96 96
97 97 QString VisualizationGraphWidget::name() const
98 98 {
99 99 if (auto title = dynamic_cast<QCPTextElement *>(ui->widget->plotLayout()->elementAt(0))) {
100 100 return title->text();
101 101 }
102 102 else {
103 103 return QString{};
104 104 }
105 105 }
106 106
107 107 void VisualizationGraphWidget::onRangeChanged(const QCPRange &t1, const QCPRange &t2)
108 108 {
109 109
110 110 qCDebug(LOG_VisualizationGraphWidget()) << tr("VisualizationGraphWidget::onRangeChanged");
111 111
112 112 for (auto it = impl->m_VariableToPlotMultiMap.cbegin();
113 113 it != impl->m_VariableToPlotMultiMap.cend(); ++it) {
114 114
115 115 auto variable = it->first;
116 116 qCInfo(LOG_VisualizationGraphWidget())
117 117 << tr("TORM: VisualizationGraphWidget::onRangeChanged")
118 118 << variable->dataSeries()->xAxisData()->size();
119 119 auto dateTime = SqpDateTime{t2.lower, t2.upper};
120 120
121 121 if (!variable->contains(dateTime)) {
122 122
123 123 auto variableDateTimeWithTolerance = dateTime;
124 124 if (variable->intersect(dateTime)) {
125 125 auto variableDateTime = variable->dateTime();
126 126 if (variableDateTime.m_TStart < dateTime.m_TStart) {
127 127
128 128 auto diffEndToKeepDelta = dateTime.m_TEnd - variableDateTime.m_TEnd;
129 129 dateTime.m_TStart = variableDateTime.m_TStart + diffEndToKeepDelta;
130 130 // Tolerance have to be added to the right
131 131 // add 10% tolerance for right (end) side
132 132 auto tolerance = 0.1 * (dateTime.m_TEnd - dateTime.m_TStart);
133 133 variableDateTimeWithTolerance.m_TEnd += tolerance;
134 134 }
135 135 if (variableDateTime.m_TEnd > dateTime.m_TEnd) {
136 auto diffStartToKeepDelta = dateTime.m_TStart - dateTime.m_TStart;
136 auto diffStartToKeepDelta = variableDateTime.m_TStart - dateTime.m_TStart;
137 137 dateTime.m_TEnd = variableDateTime.m_TEnd - diffStartToKeepDelta;
138 138 // Tolerance have to be added to the left
139 139 // add 10% tolerance for left (start) side
140 140 auto tolerance = 0.1 * (dateTime.m_TEnd - dateTime.m_TStart);
141 141 variableDateTimeWithTolerance.m_TStart -= tolerance;
142 142 }
143 143 }
144 144 else {
145 145 // add 10% tolerance for each side
146 146 auto tolerance = 0.1 * (dateTime.m_TEnd - dateTime.m_TStart);
147 147 variableDateTimeWithTolerance.m_TStart -= tolerance;
148 148 variableDateTimeWithTolerance.m_TEnd += tolerance;
149 149 }
150 150 variable->setDateTime(dateTime);
151 151
152 152 // CHangement detected, we need to ask controller to request data loading
153 153 sqpApp->variableController().requestDataLoading(variable,
154 154 variableDateTimeWithTolerance);
155 155 }
156 156 }
157 157 }
158 158
159 159 void VisualizationGraphWidget::onMouseWheel(QWheelEvent *event) noexcept
160 160 {
161 161 auto zoomOrientations = QFlags<Qt::Orientation>{};
162 162
163 163 // Lambda that enables a zoom orientation if the key modifier related to this orientation
164 164 // has
165 165 // been pressed
166 166 auto enableOrientation
167 167 = [&zoomOrientations, event](const auto &orientation, const auto &modifier) {
168 168 auto orientationEnabled = event->modifiers().testFlag(modifier);
169 169 zoomOrientations.setFlag(orientation, orientationEnabled);
170 170 };
171 171 enableOrientation(Qt::Vertical, VERTICAL_ZOOM_MODIFIER);
172 172 enableOrientation(Qt::Horizontal, HORIZONTAL_ZOOM_MODIFIER);
173 173
174 174 ui->widget->axisRect()->setRangeZoom(zoomOrientations);
175 175 }
176 176
177 177 void VisualizationGraphWidget::onDataCacheVariableUpdated()
178 178 {
179 179 // NOTE:
180 180 // We don't want to call the method for each component of a variable unitarily, but for
181 181 // all
182 182 // its components at once (eg its three components in the case of a vector).
183 183
184 184 // The unordered_multimap does not do this easily, so the question is whether to:
185 185 // - use an ordered_multimap and the algos of std to group the values by key
186 186 // - use a map (unique keys) and store as values directly the list of components
187 187
188 188 for (auto it = impl->m_VariableToPlotMultiMap.cbegin();
189 189 it != impl->m_VariableToPlotMultiMap.cend(); ++it) {
190 190 auto variable = it->first;
191 191 VisualizationGraphHelper::updateData(QVector<QCPAbstractPlottable *>{} << it->second,
192 192 variable->dataSeries(), variable->dateTime());
193 193 }
194 194 }
195 195
196 196 void VisualizationGraphWidget::updateDisplay(std::shared_ptr<Variable> variable)
197 197 {
198 198 auto abstractPlotableItPair = impl->m_VariableToPlotMultiMap.equal_range(variable);
199 199
200 200 auto abstractPlotableVect = QVector<QCPAbstractPlottable *>{};
201 201
202 202 for (auto it = abstractPlotableItPair.first; it != abstractPlotableItPair.second; ++it) {
203 203 abstractPlotableVect.push_back(it->second);
204 204 }
205 205
206 206 VisualizationGraphHelper::updateData(abstractPlotableVect, variable->dataSeries(),
207 207 variable->dateTime());
208 208 }
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