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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::multimap<std::shared_ptr<Variable>, QCPAbstractPlottable *> m_VariableToPlotMultiMap;
30 30 };
31 31
32 32 VisualizationGraphWidget::VisualizationGraphWidget(const QString &name, QWidget *parent)
33 33 : QWidget{parent},
34 34 ui{new Ui::VisualizationGraphWidget},
35 35 impl{spimpl::make_unique_impl<VisualizationGraphWidgetPrivate>()}
36 36 {
37 37 ui->setupUi(this);
38 38
39 39 ui->graphNameLabel->setText(name);
40 40
41 41 // 'Close' options : widget is deleted when closed
42 42 setAttribute(Qt::WA_DeleteOnClose);
43 43 connect(ui->closeButton, &QToolButton::clicked, this, &VisualizationGraphWidget::close);
44 44 ui->closeButton->setIcon(sqpApp->style()->standardIcon(QStyle::SP_TitleBarCloseButton));
45 45
46 46 // Set qcpplot properties :
47 47 // - Drag (on x-axis) and zoom are enabled
48 48 // - Mouse wheel on qcpplot is intercepted to determine the zoom orientation
49 49 ui->widget->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
50 50 ui->widget->axisRect()->setRangeDrag(Qt::Horizontal);
51 51 connect(ui->widget, &QCustomPlot::mouseWheel, this, &VisualizationGraphWidget::onMouseWheel);
52 52 connect(ui->widget->xAxis,
53 53 static_cast<void (QCPAxis::*)(const QCPRange &)>(&QCPAxis::rangeChanged), this,
54 54 &VisualizationGraphWidget::onRangeChanged);
55 55
56 56 // Activates menu when right clicking on the graph
57 57 ui->widget->setContextMenuPolicy(Qt::CustomContextMenu);
58 58 connect(ui->widget, &QCustomPlot::customContextMenuRequested, this,
59 59 &VisualizationGraphWidget::onGraphMenuRequested);
60 60
61 61 connect(this, &VisualizationGraphWidget::requestDataLoading, &sqpApp->variableController(),
62 62 &VariableController::onRequestDataLoading);
63 63 }
64 64
65 65
66 66 VisualizationGraphWidget::~VisualizationGraphWidget()
67 67 {
68 68 delete ui;
69 69 }
70 70
71 71 void VisualizationGraphWidget::addVariable(std::shared_ptr<Variable> variable)
72 72 {
73 73 // Uses delegate to create the qcpplot components according to the variable
74 74 auto createdPlottables = VisualizationGraphHelper::create(variable, *ui->widget);
75 75
76 76 for (auto createdPlottable : qAsConst(createdPlottables)) {
77 77 impl->m_VariableToPlotMultiMap.insert({variable, createdPlottable});
78 78 }
79 79
80 80 connect(variable.get(), SIGNAL(updated()), this, SLOT(onDataCacheVariableUpdated()));
81 81 }
82 82 void VisualizationGraphWidget::addVariableUsingGraph(std::shared_ptr<Variable> variable)
83 83 {
84 84
85 85 // when adding a variable, we need to set its time range to the current graph range
86 86 auto grapheRange = ui->widget->xAxis->range();
87 87 auto dateTime = SqpDateTime{grapheRange.lower, grapheRange.upper};
88 88 variable->setDateTime(dateTime);
89 89
90 90 auto variableDateTimeWithTolerance = dateTime;
91 91
92 92 // add 10% tolerance for each side
93 93 auto tolerance = 0.1 * (dateTime.m_TEnd - dateTime.m_TStart);
94 94 variableDateTimeWithTolerance.m_TStart -= tolerance;
95 95 variableDateTimeWithTolerance.m_TEnd += tolerance;
96 96
97 97 // Uses delegate to create the qcpplot components according to the variable
98 98 auto createdPlottables = VisualizationGraphHelper::create(variable, *ui->widget);
99 99
100 100 for (auto createdPlottable : qAsConst(createdPlottables)) {
101 101 impl->m_VariableToPlotMultiMap.insert({variable, createdPlottable});
102 102 }
103 103
104 104 connect(variable.get(), SIGNAL(updated()), this, SLOT(onDataCacheVariableUpdated()));
105 105
106 106 // CHangement detected, we need to ask controller to request data loading
107 107 emit requestDataLoading(variable, variableDateTimeWithTolerance);
108 108 }
109 109
110 110 void VisualizationGraphWidget::removeVariable(std::shared_ptr<Variable> variable) noexcept
111 111 {
112 112 // Each component associated to the variable :
113 113 // - is removed from qcpplot (which deletes it)
114 114 // - is no longer referenced in the map
115 115 auto componentsIt = impl->m_VariableToPlotMultiMap.equal_range(variable);
116 116 for (auto it = componentsIt.first; it != componentsIt.second;) {
117 117 ui->widget->removePlottable(it->second);
118 118 it = impl->m_VariableToPlotMultiMap.erase(it);
119 119 }
120 120
121 121 // Updates graph
122 122 ui->widget->replot();
123 123 }
124 124
125 125 void VisualizationGraphWidget::setRange(std::shared_ptr<Variable> variable,
126 126 const SqpDateTime &range)
127 127 {
128 128 // auto componentsIt = impl->m_VariableToPlotMultiMap.equal_range(variable);
129 129 // for (auto it = componentsIt.first; it != componentsIt.second;) {
130 130 // }
131 131 ui->widget->xAxis->setRange(range.m_TStart, range.m_TEnd);
132 132 }
133 133
134 134 void VisualizationGraphWidget::accept(IVisualizationWidgetVisitor *visitor)
135 135 {
136 136 if (visitor) {
137 137 visitor->visit(this);
138 138 }
139 139 else {
140 140 qCCritical(LOG_VisualizationGraphWidget())
141 141 << tr("Can't visit widget : the visitor is null");
142 142 }
143 143 }
144 144
145 145 bool VisualizationGraphWidget::canDrop(const Variable &variable) const
146 146 {
147 147 /// @todo : for the moment, a graph can always accomodate a variable
148 148 Q_UNUSED(variable);
149 149 return true;
150 150 }
151 151
152 152 bool VisualizationGraphWidget::contains(const Variable &variable) const
153 153 {
154 154 // Finds the variable among the keys of the map
155 155 auto variablePtr = &variable;
156 156 auto findVariable
157 157 = [variablePtr](const auto &entry) { return variablePtr == entry.first.get(); };
158 158
159 159 auto end = impl->m_VariableToPlotMultiMap.cend();
160 160 auto it = std::find_if(impl->m_VariableToPlotMultiMap.cbegin(), end, findVariable);
161 161 return it != end;
162 162 }
163 163
164 164 QString VisualizationGraphWidget::name() const
165 165 {
166 166 return ui->graphNameLabel->text();
167 167 }
168 168
169 169 void VisualizationGraphWidget::onGraphMenuRequested(const QPoint &pos) noexcept
170 170 {
171 171 QMenu graphMenu{};
172 172
173 173 // Iterates on variables (unique keys)
174 174 for (auto it = impl->m_VariableToPlotMultiMap.cbegin(),
175 175 end = impl->m_VariableToPlotMultiMap.cend();
176 176 it != end; it = impl->m_VariableToPlotMultiMap.upper_bound(it->first)) {
177 177 // 'Remove variable' action
178 178 graphMenu.addAction(tr("Remove variable %1").arg(it->first->name()),
179 179 [ this, var = it->first ]() { removeVariable(var); });
180 180 }
181 181
182 182 if (!graphMenu.isEmpty()) {
183 183 graphMenu.exec(mapToGlobal(pos));
184 184 }
185 185 }
186 186
187 187 void VisualizationGraphWidget::onRangeChanged(const QCPRange &t1)
188 188 {
189 qCInfo(LOG_VisualizationGraphWidget()) << tr("VisualizationGraphWidget::onRangeChanged")
190 << QThread::currentThread()->objectName();
189 qCDebug(LOG_VisualizationGraphWidget()) << tr("VisualizationGraphWidget::onRangeChanged")
190 << QThread::currentThread()->objectName();
191 191
192 192 for (auto it = impl->m_VariableToPlotMultiMap.cbegin();
193 193 it != impl->m_VariableToPlotMultiMap.cend(); ++it) {
194 194
195 195 auto variable = it->first;
196 196 auto dateTime = SqpDateTime{t1.lower, t1.upper};
197 197 auto dateTimeRange = dateTime;
198 198
199 199 auto toleranceFactor = 0.2;
200 200 auto tolerance = toleranceFactor * (dateTime.m_TEnd - dateTime.m_TStart);
201 201 auto variableDateTimeWithTolerance = dateTime;
202 202 variableDateTimeWithTolerance.m_TStart -= tolerance;
203 203 variableDateTimeWithTolerance.m_TEnd += tolerance;
204 204
205 qCInfo(LOG_VisualizationGraphWidget()) << "v" << dateTime;
206 qCInfo(LOG_VisualizationGraphWidget()) << "vtol" << variableDateTimeWithTolerance;
205 qCDebug(LOG_VisualizationGraphWidget()) << "v" << dateTime;
206 qCDebug(LOG_VisualizationGraphWidget()) << "vtol" << variableDateTimeWithTolerance;
207 207 // If new range with tol is upper than variable datetime parameters. we need to request new
208 208 // data
209 209 if (!variable->contains(variableDateTimeWithTolerance)) {
210 210
211 211 auto variableDateTimeWithTolerance = dateTime;
212 212 if (!variable->isInside(dateTime)) {
213 213 auto variableDateTime = variable->dateTime();
214 214 if (variableDateTime.m_TStart < dateTime.m_TStart) {
215 qCInfo(LOG_VisualizationGraphWidget()) << tr("TORM: Detection pan to right:");
215 qCDebug(LOG_VisualizationGraphWidget()) << tr("TORM: Detection pan to right:");
216 216
217 217 auto diffEndToKeepDelta = dateTime.m_TEnd - variableDateTime.m_TEnd;
218 218 dateTime.m_TStart = variableDateTime.m_TStart + diffEndToKeepDelta;
219 219 // Tolerance have to be added to the right
220 220 // add tolerance for right (end) side
221 221 tolerance = toleranceFactor * (dateTime.m_TEnd - dateTime.m_TStart);
222 222 variableDateTimeWithTolerance.m_TEnd += tolerance;
223 223 }
224 224 else if (variableDateTime.m_TEnd > dateTime.m_TEnd) {
225 qCInfo(LOG_VisualizationGraphWidget()) << tr("TORM: Detection pan to left: ");
225 qCDebug(LOG_VisualizationGraphWidget()) << tr("TORM: Detection pan to left: ");
226 226 auto diffStartToKeepDelta = variableDateTime.m_TStart - dateTime.m_TStart;
227 227 dateTime.m_TEnd = variableDateTime.m_TEnd - diffStartToKeepDelta;
228 228 // Tolerance have to be added to the left
229 229 // add tolerance for left (start) side
230 230 tolerance = toleranceFactor * (dateTime.m_TEnd - dateTime.m_TStart);
231 231 variableDateTimeWithTolerance.m_TStart -= tolerance;
232 232 }
233 233 else {
234 qCWarning(LOG_VisualizationGraphWidget())
234 qCDebug(LOG_VisualizationGraphWidget())
235 235 << tr("Detection anormal zoom detection: ");
236 236 }
237 237 }
238 238 else {
239 qCInfo(LOG_VisualizationGraphWidget()) << tr("Detection zoom out: ");
239 qCDebug(LOG_VisualizationGraphWidget()) << tr("Detection zoom out: ");
240 240 // add 10% tolerance for each side
241 241 tolerance = 0.2 * (dateTime.m_TEnd - dateTime.m_TStart);
242 242 variableDateTimeWithTolerance.m_TStart -= tolerance;
243 243 variableDateTimeWithTolerance.m_TEnd += tolerance;
244 244 }
245 245 if (!variable->contains(dateTimeRange)) {
246 qCInfo(LOG_VisualizationGraphWidget())
246 qCDebug(LOG_VisualizationGraphWidget())
247 247 << "TORM: Modif on variable datetime detected" << dateTime;
248 248 variable->setDateTime(dateTime);
249 249 }
250 250
251 qCInfo(LOG_VisualizationGraphWidget()) << tr("Request data detection: ");
251 qCDebug(LOG_VisualizationGraphWidget()) << tr("Request data detection: ");
252 252 // CHangement detected, we need to ask controller to request data loading
253 253 emit requestDataLoading(variable, variableDateTimeWithTolerance);
254 254 }
255 255 else {
256 qCInfo(LOG_VisualizationGraphWidget()) << tr("Detection zoom in: ");
256 qCDebug(LOG_VisualizationGraphWidget()) << tr("Detection zoom in: ");
257 257 }
258 258 }
259 259 }
260 260
261 261 void VisualizationGraphWidget::onMouseWheel(QWheelEvent *event) noexcept
262 262 {
263 263 auto zoomOrientations = QFlags<Qt::Orientation>{};
264 264
265 265 // Lambda that enables a zoom orientation if the key modifier related to this orientation
266 266 // has
267 267 // been pressed
268 268 auto enableOrientation
269 269 = [&zoomOrientations, event](const auto &orientation, const auto &modifier) {
270 270 auto orientationEnabled = event->modifiers().testFlag(modifier);
271 271 zoomOrientations.setFlag(orientation, orientationEnabled);
272 272 };
273 273 enableOrientation(Qt::Vertical, VERTICAL_ZOOM_MODIFIER);
274 274 enableOrientation(Qt::Horizontal, HORIZONTAL_ZOOM_MODIFIER);
275 275
276 276 ui->widget->axisRect()->setRangeZoom(zoomOrientations);
277 277 }
278 278
279 279 void VisualizationGraphWidget::onDataCacheVariableUpdated()
280 280 {
281 281 // NOTE:
282 282 // We don't want to call the method for each component of a variable unitarily, but for
283 283 // all
284 284 // its components at once (eg its three components in the case of a vector).
285 285
286 286 // The unordered_multimap does not do this easily, so the question is whether to:
287 287 // - use an ordered_multimap and the algos of std to group the values by key
288 288 // - use a map (unique keys) and store as values directly the list of components
289 289
290 290 auto grapheRange = ui->widget->xAxis->range();
291 291 auto dateTime = SqpDateTime{grapheRange.lower, grapheRange.upper};
292 292
293 293 for (auto it = impl->m_VariableToPlotMultiMap.cbegin();
294 294 it != impl->m_VariableToPlotMultiMap.cend(); ++it) {
295 295 auto variable = it->first;
296 qCInfo(LOG_VisualizationGraphWidget())
296 qCDebug(LOG_VisualizationGraphWidget())
297 297 << "TORM: VisualizationGraphWidget::onDataCacheVariableUpdated S"
298 298 << variable->dateTime();
299 qCInfo(LOG_VisualizationGraphWidget())
299 qCDebug(LOG_VisualizationGraphWidget())
300 300 << "TORM: VisualizationGraphWidget::onDataCacheVariableUpdated E" << dateTime;
301 301 if (dateTime.contains(variable->dateTime()) || dateTime.intersect(variable->dateTime())) {
302 302
303 303 VisualizationGraphHelper::updateData(QVector<QCPAbstractPlottable *>{} << it->second,
304 304 variable->dataSeries(), variable->dateTime());
305 305 }
306 306 }
307 307 }
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