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Shows min/max x-axis data in Variable widget (3)...
Alexandre Leroux -
r601:fe5ae51adf07
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1 1 #include <Variable/Variable.h>
2 2 #include <Variable/VariableModel.h>
3 3
4 4 #include <Common/DateUtils.h>
5 5
6 6 #include <Data/IDataSeries.h>
7 7
8 8 #include <QSize>
9 9 #include <unordered_map>
10 10
11 11 Q_LOGGING_CATEGORY(LOG_VariableModel, "VariableModel")
12 12
13 13 namespace {
14 14
15 15 // Column indexes
16 16 const auto NAME_COLUMN = 0;
17 17 const auto TSTART_COLUMN = 1;
18 18 const auto TEND_COLUMN = 2;
19 19 const auto UNIT_COLUMN = 3;
20 20 const auto MISSION_COLUMN = 4;
21 21 const auto PLUGIN_COLUMN = 5;
22 22 const auto NB_COLUMNS = 6;
23 23
24 24 // Column properties
25 25 const auto DEFAULT_HEIGHT = 25;
26 26 const auto DEFAULT_WIDTH = 100;
27 27
28 28 struct ColumnProperties {
29 29 ColumnProperties(const QString &name = {}, int width = DEFAULT_WIDTH,
30 30 int height = DEFAULT_HEIGHT)
31 31 : m_Name{name}, m_Width{width}, m_Height{height}
32 32 {
33 33 }
34 34
35 35 QString m_Name;
36 36 int m_Width;
37 37 int m_Height;
38 38 };
39 39
40 40 const auto COLUMN_PROPERTIES = QHash<int, ColumnProperties>{
41 41 {NAME_COLUMN, {QObject::tr("Name")}}, {TSTART_COLUMN, {QObject::tr("tStart"), 180}},
42 42 {TEND_COLUMN, {QObject::tr("tEnd"), 180}}, {UNIT_COLUMN, {QObject::tr("Unit")}},
43 43 {MISSION_COLUMN, {QObject::tr("Mission")}}, {PLUGIN_COLUMN, {QObject::tr("Plugin")}}};
44 44
45 45 /// Format for datetimes
46 46 const auto DATETIME_FORMAT = QStringLiteral("dd/MM/yyyy \nhh:mm:ss:zzz");
47 47
48 48
49 49 } // namespace
50 50
51 51 struct VariableModel::VariableModelPrivate {
52 52 /// Variables created in SciQlop
53 53 std::vector<std::shared_ptr<Variable> > m_Variables;
54 54 std::unordered_map<std::shared_ptr<Variable>, double> m_VariableToProgress;
55 55
56 56 /// Return the row index of the variable. -1 if it's not found
57 57 int indexOfVariable(Variable *variable) const noexcept;
58 58 };
59 59
60 60 VariableModel::VariableModel(QObject *parent)
61 61 : QAbstractTableModel{parent}, impl{spimpl::make_unique_impl<VariableModelPrivate>()}
62 62 {
63 63 }
64 64
65 65 std::shared_ptr<Variable> VariableModel::createVariable(const QString &name,
66 66 const SqpRange &dateTime,
67 67 const QVariantHash &metadata) noexcept
68 68 {
69 69 auto insertIndex = rowCount();
70 70 beginInsertRows({}, insertIndex, insertIndex);
71 71
72 72 auto variable = std::make_shared<Variable>(name, dateTime, metadata);
73 73
74 74 impl->m_Variables.push_back(variable);
75 75 connect(variable.get(), &Variable::updated, this, &VariableModel::onVariableUpdated);
76 76
77 77 endInsertRows();
78 78
79 79 return variable;
80 80 }
81 81
82 82 void VariableModel::deleteVariable(std::shared_ptr<Variable> variable) noexcept
83 83 {
84 84 if (!variable) {
85 85 qCCritical(LOG_Variable()) << "Can't delete a null variable from the model";
86 86 return;
87 87 }
88 88
89 89 // Finds variable in the model
90 90 auto begin = impl->m_Variables.cbegin();
91 91 auto end = impl->m_Variables.cend();
92 92 auto it = std::find(begin, end, variable);
93 93 if (it != end) {
94 94 auto removeIndex = std::distance(begin, it);
95 95
96 96 // Deletes variable
97 97 beginRemoveRows({}, removeIndex, removeIndex);
98 98 impl->m_Variables.erase(it);
99 99 endRemoveRows();
100 100 }
101 101 else {
102 102 qCritical(LOG_VariableModel())
103 103 << tr("Can't delete variable %1 from the model: the variable is not in the model")
104 104 .arg(variable->name());
105 105 }
106 106
107 107 // Removes variable from progress map
108 108 impl->m_VariableToProgress.erase(variable);
109 109 }
110 110
111 111
112 112 std::shared_ptr<Variable> VariableModel::variable(int index) const
113 113 {
114 114 return (index >= 0 && index < impl->m_Variables.size()) ? impl->m_Variables[index] : nullptr;
115 115 }
116 116
117 117 void VariableModel::setDataProgress(std::shared_ptr<Variable> variable, double progress)
118 118 {
119 119 if (progress > 0.0) {
120 120 impl->m_VariableToProgress[variable] = progress;
121 121 }
122 122 else {
123 123 impl->m_VariableToProgress.erase(variable);
124 124 }
125 125 auto modelIndex = createIndex(impl->indexOfVariable(variable.get()), NAME_COLUMN);
126 126
127 127 emit dataChanged(modelIndex, modelIndex);
128 128 }
129 129
130 130 int VariableModel::columnCount(const QModelIndex &parent) const
131 131 {
132 132 Q_UNUSED(parent);
133 133
134 134 return NB_COLUMNS;
135 135 }
136 136
137 137 int VariableModel::rowCount(const QModelIndex &parent) const
138 138 {
139 139 Q_UNUSED(parent);
140 140
141 141 return impl->m_Variables.size();
142 142 }
143 143
144 144 QVariant VariableModel::data(const QModelIndex &index, int role) const
145 145 {
146 146 if (!index.isValid()) {
147 147 return QVariant{};
148 148 }
149 149
150 150 if (index.row() < 0 || index.row() >= rowCount()) {
151 151 return QVariant{};
152 152 }
153 153
154 154 if (role == Qt::DisplayRole) {
155 155 if (auto variable = impl->m_Variables.at(index.row()).get()) {
156 156 /// Lambda function that builds the variant to return for a time value
157 auto dateTimeVariant = [](double secs) {
158 auto dateTime = DateUtils::dateTime(secs);
159 return dateTime.toString(DATETIME_FORMAT);
157 /// @param getValueFun function used to get for a data series the iterator on the entry
158 /// that contains the time value to display
159 auto dateTimeVariant = [variable](const auto &getValueFun) {
160 if (auto dataSeries = variable->dataSeries()) {
161 auto it = getValueFun(*dataSeries);
162 return (it != dataSeries->cend())
163 ? DateUtils::dateTime(it->x()).toString(DATETIME_FORMAT)
164 : QVariant{};
165 }
166 else {
167 return QVariant{};
168 }
160 169 };
161 170
162 171 switch (index.column()) {
163 172 case NAME_COLUMN:
164 173 return variable->name();
165 174 case TSTART_COLUMN:
166 return dateTimeVariant(variable->range().m_TStart);
175 // Shows the min value of the data series above the range tstart
176 return dateTimeVariant([min = variable->range().m_TStart](
177 const auto &dataSeries) { return dataSeries.minData(min); });
167 178 case TEND_COLUMN:
168 return dateTimeVariant(variable->range().m_TEnd);
179 // Shows the max value of the data series under the range tend
180 return dateTimeVariant([max = variable->range().m_TEnd](
181 const auto &dataSeries) { return dataSeries.maxData(max); });
169 182 case UNIT_COLUMN:
170 183 return variable->metadata().value(QStringLiteral("units"));
171 184 case MISSION_COLUMN:
172 185 return variable->metadata().value(QStringLiteral("mission"));
173 186 case PLUGIN_COLUMN:
174 187 return variable->metadata().value(QStringLiteral("plugin"));
175 188 default:
176 189 // No action
177 190 break;
178 191 }
179 192
180 193 qWarning(LOG_VariableModel())
181 194 << tr("Can't get data (unknown column %1)").arg(index.column());
182 195 }
183 196 else {
184 197 qWarning(LOG_VariableModel()) << tr("Can't get data (no variable)");
185 198 }
186 199 }
187 200 else if (role == VariableRoles::ProgressRole) {
188 201 if (auto variable = impl->m_Variables.at(index.row())) {
189 202
190 203 auto it = impl->m_VariableToProgress.find(variable);
191 204 if (it != impl->m_VariableToProgress.cend()) {
192 205 return it->second;
193 206 }
194 207 }
195 208 }
196 209
197 210 return QVariant{};
198 211 }
199 212
200 213 QVariant VariableModel::headerData(int section, Qt::Orientation orientation, int role) const
201 214 {
202 215 if (role != Qt::DisplayRole && role != Qt::SizeHintRole) {
203 216 return QVariant{};
204 217 }
205 218
206 219 if (orientation == Qt::Horizontal) {
207 220 auto propertiesIt = COLUMN_PROPERTIES.find(section);
208 221 if (propertiesIt != COLUMN_PROPERTIES.cend()) {
209 222 // Role is either DisplayRole or SizeHintRole
210 223 return (role == Qt::DisplayRole)
211 224 ? QVariant{propertiesIt->m_Name}
212 225 : QVariant{QSize{propertiesIt->m_Width, propertiesIt->m_Height}};
213 226 }
214 227 else {
215 228 qWarning(LOG_VariableModel())
216 229 << tr("Can't get header data (unknown column %1)").arg(section);
217 230 }
218 231 }
219 232
220 233 return QVariant{};
221 234 }
222 235
223 236 void VariableModel::abortProgress(const QModelIndex &index)
224 237 {
225 238 if (auto variable = impl->m_Variables.at(index.row())) {
226 239 emit abortProgessRequested(variable);
227 240 }
228 241 }
229 242
230 243 void VariableModel::onVariableUpdated() noexcept
231 244 {
232 245 // Finds variable that has been updated in the model
233 246 if (auto updatedVariable = dynamic_cast<Variable *>(sender())) {
234 247 auto updatedVariableIndex = impl->indexOfVariable(updatedVariable);
235 248
236 249 if (updatedVariableIndex > -1) {
237 250 emit dataChanged(createIndex(updatedVariableIndex, 0),
238 251 createIndex(updatedVariableIndex, columnCount() - 1));
239 252 }
240 253 }
241 254 }
242 255
243 256 int VariableModel::VariableModelPrivate::indexOfVariable(Variable *variable) const noexcept
244 257 {
245 258 auto begin = std::cbegin(m_Variables);
246 259 auto end = std::cend(m_Variables);
247 260 auto it
248 261 = std::find_if(begin, end, [variable](const auto &var) { return var.get() == variable; });
249 262
250 263 if (it != end) {
251 264 // Gets the index of the variable in the model: we assume here that views have the same
252 265 // order as the model
253 266 return std::distance(begin, it);
254 267 }
255 268 else {
256 269 return -1;
257 270 }
258 271 }
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