@@ -1,208 +1,208 | |||
|
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 = |
|
|
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 | } |
General Comments 0
You need to be logged in to leave comments.
Login now