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drop of variables in the visualization
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1 1 #include <Variable/Variable.h>
2 2 #include <Variable/VariableController.h>
3 3 #include <Variable/VariableModel.h>
4 4
5 5 #include <Common/DateUtils.h>
6 6 #include <Common/MimeTypesDef.h>
7 7 #include <Common/StringUtils.h>
8 8
9 9 #include <Data/IDataSeries.h>
10 10
11 11 #include <QMimeData>
12 12 #include <QSize>
13 13 #include <unordered_map>
14 14
15 15 Q_LOGGING_CATEGORY(LOG_VariableModel, "VariableModel")
16 16
17 17 namespace {
18 18
19 19 // Column indexes
20 20 const auto NAME_COLUMN = 0;
21 21 const auto TSTART_COLUMN = 1;
22 22 const auto TEND_COLUMN = 2;
23 23 const auto NBPOINTS_COLUMN = 3;
24 24 const auto UNIT_COLUMN = 4;
25 25 const auto MISSION_COLUMN = 5;
26 26 const auto PLUGIN_COLUMN = 6;
27 27 const auto NB_COLUMNS = 7;
28 28
29 29 // Column properties
30 30 const auto DEFAULT_HEIGHT = 25;
31 31 const auto DEFAULT_WIDTH = 100;
32 32
33 33 struct ColumnProperties {
34 34 ColumnProperties(const QString &name = {}, int width = DEFAULT_WIDTH,
35 35 int height = DEFAULT_HEIGHT)
36 36 : m_Name{name}, m_Width{width}, m_Height{height}
37 37 {
38 38 }
39 39
40 40 QString m_Name;
41 41 int m_Width;
42 42 int m_Height;
43 43 };
44 44
45 45 const auto COLUMN_PROPERTIES = QHash<int, ColumnProperties>{
46 46 {NAME_COLUMN, {QObject::tr("Name")}}, {TSTART_COLUMN, {QObject::tr("tStart"), 180}},
47 47 {TEND_COLUMN, {QObject::tr("tEnd"), 180}}, {NBPOINTS_COLUMN, {QObject::tr("Nb points")}},
48 48 {UNIT_COLUMN, {QObject::tr("Unit")}}, {MISSION_COLUMN, {QObject::tr("Mission")}},
49 49 {PLUGIN_COLUMN, {QObject::tr("Plugin")}}};
50 50
51 51 /// Format for datetimes
52 52 const auto DATETIME_FORMAT = QStringLiteral("dd/MM/yyyy \nhh:mm:ss:zzz");
53 53
54 54 QString uniqueName(const QString &defaultName,
55 55 const std::vector<std::shared_ptr<Variable> > &variables)
56 56 {
57 57 auto forbiddenNames = std::vector<QString>(variables.size());
58 58 std::transform(variables.cbegin(), variables.cend(), forbiddenNames.begin(),
59 59 [](const auto &variable) { return variable->name(); });
60 60 auto uniqueName = StringUtils::uniqueName(defaultName, forbiddenNames);
61 61 Q_ASSERT(!uniqueName.isEmpty());
62 62
63 63 return uniqueName;
64 64 }
65 65
66 66 } // namespace
67 67
68 68 struct VariableModel::VariableModelPrivate {
69 69 /// Variables created in SciQlop
70 70 std::vector<std::shared_ptr<Variable> > m_Variables;
71 71 std::unordered_map<std::shared_ptr<Variable>, double> m_VariableToProgress;
72 72 VariableController *m_VariableController;
73 73
74 74 /// Return the row index of the variable. -1 if it's not found
75 75 int indexOfVariable(Variable *variable) const noexcept;
76 76 };
77 77
78 78 VariableModel::VariableModel(VariableController *parent)
79 79 : QAbstractTableModel{parent}, impl{spimpl::make_unique_impl<VariableModelPrivate>()}
80 80 {
81 81 impl->m_VariableController = parent;
82 82 }
83 83
84 84 void VariableModel::addVariable(std::shared_ptr<Variable> variable) noexcept
85 85 {
86 86 auto insertIndex = rowCount();
87 87 beginInsertRows({}, insertIndex, insertIndex);
88 88
89 89 // Generates unique name for the variable
90 90 variable->setName(uniqueName(variable->name(), impl->m_Variables));
91 91
92 92 impl->m_Variables.push_back(variable);
93 93 connect(variable.get(), &Variable::updated, this, &VariableModel::onVariableUpdated);
94 94
95 95 endInsertRows();
96 96 }
97 97
98 98 bool VariableModel::containsVariable(std::shared_ptr<Variable> variable) const noexcept
99 99 {
100 100 auto end = impl->m_Variables.cend();
101 101 return std::find(impl->m_Variables.cbegin(), end, variable) != end;
102 102 }
103 103
104 104 std::shared_ptr<Variable> VariableModel::createVariable(const QString &name,
105 105 const QVariantHash &metadata) noexcept
106 106 {
107 107 auto variable = std::make_shared<Variable>(name, metadata);
108 108 addVariable(variable);
109 109
110 110 return variable;
111 111 }
112 112
113 113 void VariableModel::deleteVariable(std::shared_ptr<Variable> variable) noexcept
114 114 {
115 115 if (!variable) {
116 116 qCCritical(LOG_Variable()) << "Can't delete a null variable from the model";
117 117 return;
118 118 }
119 119
120 120 // Finds variable in the model
121 121 auto begin = impl->m_Variables.cbegin();
122 122 auto end = impl->m_Variables.cend();
123 123 auto it = std::find(begin, end, variable);
124 124 if (it != end) {
125 125 auto removeIndex = std::distance(begin, it);
126 126
127 127 // Deletes variable
128 128 beginRemoveRows({}, removeIndex, removeIndex);
129 129 impl->m_Variables.erase(it);
130 130 endRemoveRows();
131 131 }
132 132 else {
133 133 qCritical(LOG_VariableModel())
134 134 << tr("Can't delete variable %1 from the model: the variable is not in the model")
135 135 .arg(variable->name());
136 136 }
137 137
138 138 // Removes variable from progress map
139 139 impl->m_VariableToProgress.erase(variable);
140 140 }
141 141
142 142
143 143 std::shared_ptr<Variable> VariableModel::variable(int index) const
144 144 {
145 145 return (index >= 0 && index < impl->m_Variables.size()) ? impl->m_Variables[index] : nullptr;
146 146 }
147 147
148 148 std::vector<std::shared_ptr<Variable> > VariableModel::variables() const
149 149 {
150 150 return impl->m_Variables;
151 151 }
152 152
153 153 void VariableModel::setDataProgress(std::shared_ptr<Variable> variable, double progress)
154 154 {
155 155 if (progress > 0.0) {
156 156 impl->m_VariableToProgress[variable] = progress;
157 157 }
158 158 else {
159 159 impl->m_VariableToProgress.erase(variable);
160 160 }
161 161 auto modelIndex = createIndex(impl->indexOfVariable(variable.get()), NAME_COLUMN);
162 162
163 163 emit dataChanged(modelIndex, modelIndex);
164 164 }
165 165
166 166 int VariableModel::columnCount(const QModelIndex &parent) const
167 167 {
168 168 Q_UNUSED(parent);
169 169
170 170 return NB_COLUMNS;
171 171 }
172 172
173 173 int VariableModel::rowCount(const QModelIndex &parent) const
174 174 {
175 175 Q_UNUSED(parent);
176 176
177 177 return impl->m_Variables.size();
178 178 }
179 179
180 180 QVariant VariableModel::data(const QModelIndex &index, int role) const
181 181 {
182 182 if (!index.isValid()) {
183 183 return QVariant{};
184 184 }
185 185
186 186 if (index.row() < 0 || index.row() >= rowCount()) {
187 187 return QVariant{};
188 188 }
189 189
190 190 if (role == Qt::DisplayRole) {
191 191 if (auto variable = impl->m_Variables.at(index.row()).get()) {
192 192 switch (index.column()) {
193 193 case NAME_COLUMN:
194 194 return variable->name();
195 195 case TSTART_COLUMN: {
196 196 auto range = variable->realRange();
197 197 return range != INVALID_RANGE
198 198 ? DateUtils::dateTime(range.m_TStart).toString(DATETIME_FORMAT)
199 199 : QVariant{};
200 200 }
201 201 case TEND_COLUMN: {
202 202 auto range = variable->realRange();
203 203 return range != INVALID_RANGE
204 204 ? DateUtils::dateTime(range.m_TEnd).toString(DATETIME_FORMAT)
205 205 : QVariant{};
206 206 }
207 207 case NBPOINTS_COLUMN:
208 208 return variable->nbPoints();
209 209 case UNIT_COLUMN:
210 210 return variable->metadata().value(QStringLiteral("units"));
211 211 case MISSION_COLUMN:
212 212 return variable->metadata().value(QStringLiteral("mission"));
213 213 case PLUGIN_COLUMN:
214 214 return variable->metadata().value(QStringLiteral("plugin"));
215 215 default:
216 216 // No action
217 217 break;
218 218 }
219 219
220 220 qWarning(LOG_VariableModel())
221 221 << tr("Can't get data (unknown column %1)").arg(index.column());
222 222 }
223 223 else {
224 224 qWarning(LOG_VariableModel()) << tr("Can't get data (no variable)");
225 225 }
226 226 }
227 227 else if (role == VariableRoles::ProgressRole) {
228 228 if (auto variable = impl->m_Variables.at(index.row())) {
229 229
230 230 auto it = impl->m_VariableToProgress.find(variable);
231 231 if (it != impl->m_VariableToProgress.cend()) {
232 232 return it->second;
233 233 }
234 234 }
235 235 }
236 236
237 237 return QVariant{};
238 238 }
239 239
240 240 QVariant VariableModel::headerData(int section, Qt::Orientation orientation, int role) const
241 241 {
242 242 if (role != Qt::DisplayRole && role != Qt::SizeHintRole) {
243 243 return QVariant{};
244 244 }
245 245
246 246 if (orientation == Qt::Horizontal) {
247 247 auto propertiesIt = COLUMN_PROPERTIES.find(section);
248 248 if (propertiesIt != COLUMN_PROPERTIES.cend()) {
249 249 // Role is either DisplayRole or SizeHintRole
250 250 return (role == Qt::DisplayRole)
251 251 ? QVariant{propertiesIt->m_Name}
252 252 : QVariant{QSize{propertiesIt->m_Width, propertiesIt->m_Height}};
253 253 }
254 254 else {
255 255 qWarning(LOG_VariableModel())
256 256 << tr("Can't get header data (unknown column %1)").arg(section);
257 257 }
258 258 }
259 259
260 260 return QVariant{};
261 261 }
262 262
263 263 Qt::ItemFlags VariableModel::flags(const QModelIndex &index) const
264 264 {
265 265 return QAbstractTableModel::flags(index) | Qt::ItemIsDragEnabled | Qt::ItemIsDropEnabled;
266 266 }
267 267
268 268 Qt::DropActions VariableModel::supportedDropActions() const
269 269 {
270 270 return Qt::MoveAction;
271 271 }
272 272
273 273 Qt::DropActions VariableModel::supportedDragActions() const
274 274 {
275 275 return Qt::CopyAction | Qt::MoveAction;
276 276 }
277 277
278 278 QStringList VariableModel::mimeTypes() const
279 279 {
280 280 return {MIME_TYPE_VARIABLE_LIST};
281 281 }
282 282
283 283 QMimeData *VariableModel::mimeData(const QModelIndexList &indexes) const
284 284 {
285 285 auto mimeData = new QMimeData;
286 286
287 287 QList<std::shared_ptr<Variable> > variableList;
288 288
289 289 for (const auto &index : indexes) {
290 auto variable = impl->m_Variables.at(index.row());
291 if (variable.get() && index.isValid()) {
292 variableList << variable;
290 if (index.column() == 0) { // only the first column
291 auto variable = impl->m_Variables.at(index.row());
292 if (variable.get() && index.isValid()) {
293 variableList << variable;
294 }
293 295 }
294 296 }
295 297
296 298 auto encodedData = impl->m_VariableController->mimeDataForVariables(variableList);
297 299 mimeData->setData(MIME_TYPE_VARIABLE_LIST, encodedData);
298 300
299 301 return mimeData;
300 302 }
301 303
302 304 bool VariableModel::canDropMimeData(const QMimeData *data, Qt::DropAction action, int row,
303 305 int column, const QModelIndex &parent) const
304 306 {
305 307 return false;
306 308 }
307 309
308 310 bool VariableModel::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column,
309 311 const QModelIndex &parent)
310 312 {
311 313 return false;
312 314 }
313 315
314 316 void VariableModel::abortProgress(const QModelIndex &index)
315 317 {
316 318 if (auto variable = impl->m_Variables.at(index.row())) {
317 319 emit abortProgessRequested(variable);
318 320 }
319 321 }
320 322
321 323 void VariableModel::onVariableUpdated() noexcept
322 324 {
323 325 // Finds variable that has been updated in the model
324 326 if (auto updatedVariable = dynamic_cast<Variable *>(sender())) {
325 327 auto updatedVariableIndex = impl->indexOfVariable(updatedVariable);
326 328
327 329 if (updatedVariableIndex > -1) {
328 330 emit dataChanged(createIndex(updatedVariableIndex, 0),
329 331 createIndex(updatedVariableIndex, columnCount() - 1));
330 332 }
331 333 }
332 334 }
333 335
334 336 int VariableModel::VariableModelPrivate::indexOfVariable(Variable *variable) const noexcept
335 337 {
336 338 auto begin = std::cbegin(m_Variables);
337 339 auto end = std::cend(m_Variables);
338 340 auto it
339 341 = std::find_if(begin, end, [variable](const auto &var) { return var.get() == variable; });
340 342
341 343 if (it != end) {
342 344 // Gets the index of the variable in the model: we assume here that views have the same
343 345 // order as the model
344 346 return std::distance(begin, it);
345 347 }
346 348 else {
347 349 return -1;
348 350 }
349 351 }
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@@ -1,65 +1,85
1 1 #ifndef SCIQLOP_DRAGDROPHELPER_H
2 2 #define SCIQLOP_DRAGDROPHELPER_H
3 3
4 4 #include <Common/spimpl.h>
5 #include <QLoggingCategory>
5 6 #include <QWidget>
6 7
7 8 class QVBoxLayout;
8 9 class QScrollArea;
9 10 class VisualizationDragWidget;
11 class VisualizationDragDropContainer;
10 12 class QMimeData;
11 13
12 /**
13 * @brief Event filter class which manage the scroll of QScrollArea during a drag&drop operation.
14 * @note A QScrollArea inside an other QScrollArea is not fully supported.
15 */
16 class DragDropScroller : public QObject {
17 Q_OBJECT
18
19 public:
20 DragDropScroller(QObject *parent = nullptr);
21
22 void addScrollArea(QScrollArea *scrollArea);
23 void removeScrollArea(QScrollArea *scrollArea);
24
25 protected:
26 bool eventFilter(QObject *obj, QEvent *event);
27
28 private:
29 class DragDropScrollerPrivate;
30 spimpl::unique_impl_ptr<DragDropScrollerPrivate> impl;
31
32 private slots:
33 void onTimer();
34 };
14 Q_DECLARE_LOGGING_CATEGORY(LOG_DragDropHelper)
35 15
36 16 /**
37 17 * @brief Helper class for drag&drop operations.
18 * @note The helper is accessible from the sqpApp singleton and has the same life as the whole
19 * application (like a controller). But contrary to a controller, it doesn't live in a thread and
20 * can interect with the gui.
21 * @see SqpApplication
38 22 */
39 23 class DragDropHelper {
40 24 public:
41 25 static const QString MIME_TYPE_GRAPH;
42 26 static const QString MIME_TYPE_ZONE;
43 27
44 28 DragDropHelper();
45 29 virtual ~DragDropHelper();
46 30
31 /// Resets some internal variables. Must be called before any new drag&drop operation.
32 void resetDragAndDrop();
33
34 /// Sets the visualization widget currently being drag on the visualization.
47 35 void setCurrentDragWidget(VisualizationDragWidget *dragWidget);
36
37 /// Returns the visualization widget currently being drag on the visualization.
38 /// Can be null if a new visualization widget is intended to be created by the drag&drop
39 /// operation.
48 40 VisualizationDragWidget *getCurrentDragWidget() const;
49 41
50 42 QWidget &placeHolder() const;
51 43 void insertPlaceHolder(QVBoxLayout *layout, int index);
52 44 void removePlaceHolder();
53 45 bool isPlaceHolderSet() const;
54 46
47 /// Checks if the specified mime data is valid for a drop in the visualization
48 bool checkMimeDataForVisualization(const QMimeData *mimeData,
49 VisualizationDragDropContainer *dropContainer);
50
55 51 void addDragDropScrollArea(QScrollArea *scrollArea);
56 52 void removeDragDropScrollArea(QScrollArea *scrollArea);
57 53
58 54 QUrl imageTemporaryUrl(const QImage &image) const;
59 55
60 56 private:
61 57 class DragDropHelperPrivate;
62 58 spimpl::unique_impl_ptr<DragDropHelperPrivate> impl;
63 59 };
64 60
61 /**
62 * @brief Event filter class which manage the scroll of QScrollArea during a drag&drop operation.
63 * @note A QScrollArea inside an other QScrollArea is not fully supported.
64 */
65 class DragDropScroller : public QObject {
66 Q_OBJECT
67
68 public:
69 DragDropScroller(QObject *parent = nullptr);
70
71 void addScrollArea(QScrollArea *scrollArea);
72 void removeScrollArea(QScrollArea *scrollArea);
73
74 protected:
75 bool eventFilter(QObject *obj, QEvent *event);
76
77 private:
78 class DragDropScrollerPrivate;
79 spimpl::unique_impl_ptr<DragDropScrollerPrivate> impl;
80
81 private slots:
82 void onTimer();
83 };
84
65 85 #endif // SCIQLOP_DRAGDROPHELPER_H
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@@ -1,56 +1,57
1 1 #ifndef SCIQLOP_SQPAPPLICATION_H
2 2 #define SCIQLOP_SQPAPPLICATION_H
3 3
4 4 #include "SqpApplication.h"
5 5
6 6 #include <QApplication>
7 7 #include <QLoggingCategory>
8 8
9 9 #include <Common/spimpl.h>
10 10
11 11 Q_DECLARE_LOGGING_CATEGORY(LOG_SqpApplication)
12 12
13 13 #if defined(sqpApp)
14 14 #undef sqpApp
15 15 #endif
16 16 #define sqpApp (static_cast<SqpApplication *>(QCoreApplication::instance()))
17 17
18 18 class DataSourceController;
19 19 class NetworkController;
20 20 class TimeController;
21 21 class VariableController;
22 22 class VisualizationController;
23 23 class DragDropHelper;
24 24
25 25 /**
26 26 * @brief The SqpApplication class aims to make the link between SciQlop
27 27 * and its plugins. This is the intermediate class that SciQlop has to use
28 28 * in the way to connect a data source. Please first use load method to initialize
29 29 * a plugin specified by its metadata name (JSON plugin source) then others specifics
30 30 * method will be able to access it.
31 31 * You can load a data source driver plugin then create a data source.
32 32 */
33 33
34 34 class SqpApplication : public QApplication {
35 35 Q_OBJECT
36 36 public:
37 37 explicit SqpApplication(int &argc, char **argv);
38 38 virtual ~SqpApplication();
39 39 void initialize();
40 40
41 41 /// Accessors for the differents sciqlop controllers
42 42 DataSourceController &dataSourceController() noexcept;
43 43 NetworkController &networkController() noexcept;
44 44 TimeController &timeController() noexcept;
45 45 VariableController &variableController() noexcept;
46 46 VisualizationController &visualizationController() noexcept;
47 47
48 /// Accessors for the differents sciqlop helpers
48 /// Accessors for the differents sciqlop helpers, these helpers classes are like controllers but
49 /// doesn't live in a thread and access gui
49 50 DragDropHelper &dragDropHelper() noexcept;
50 51
51 52 private:
52 53 class SqpApplicationPrivate;
53 54 spimpl::unique_impl_ptr<SqpApplicationPrivate> impl;
54 55 };
55 56
56 57 #endif // SCIQLOP_SQPAPPLICATION_H
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@@ -1,42 +1,51
1 1 #ifndef SCIQLOP_VISUALIZATIONDRAGDROPCONTAINER_H
2 2 #define SCIQLOP_VISUALIZATIONDRAGDROPCONTAINER_H
3 3
4 4 #include <Common/spimpl.h>
5 #include <QLoggingCategory>
5 6 #include <QMimeData>
6 7 #include <QVBoxLayout>
7 8 #include <QWidget>
8 9
10 #include <functional>
11
12 Q_DECLARE_LOGGING_CATEGORY(LOG_VisualizationDragDropContainer)
13
9 14 class VisualizationDragWidget;
10 15
11 16 class VisualizationDragDropContainer : public QWidget {
12 17 Q_OBJECT
13 18
14 19 signals:
15 20 void dropOccured(int dropIndex, const QMimeData *mimeData);
16 21
17 22 public:
23 using AcceptMimeDataFunction = std::function<bool(const QMimeData *mimeData)>;
24
18 25 VisualizationDragDropContainer(QWidget *parent = nullptr);
19 26
20 27 void addDragWidget(VisualizationDragWidget *dragWidget);
21 28 void insertDragWidget(int index, VisualizationDragWidget *dragWidget);
22 29
23 30 void setAcceptedMimeTypes(const QStringList &mimeTypes);
24 31 void setMergeAllowedMimeTypes(const QStringList &mimeTypes);
25 32
26 33 int countDragWidget() const;
27 34
35 void setAcceptMimeDataFunction(AcceptMimeDataFunction fun);
36
28 37 protected:
29 38 void dragEnterEvent(QDragEnterEvent *event);
30 39 void dragLeaveEvent(QDragLeaveEvent *event);
31 40 void dragMoveEvent(QDragMoveEvent *event);
32 41 void dropEvent(QDropEvent *event);
33 42
34 43 private:
35 44 class VisualizationDragDropContainerPrivate;
36 45 spimpl::unique_impl_ptr<VisualizationDragDropContainerPrivate> impl;
37 46
38 47 private slots:
39 48 void startDrag(VisualizationDragWidget *dragWidget, const QPoint &dragPosition);
40 49 };
41 50
42 51 #endif // SCIQLOP_VISUALIZATIONDRAGDROPCONTAINER_H
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@@ -1,227 +1,289
1 1 #include "DragDropHelper.h"
2 2 #include "SqpApplication.h"
3 #include "Visualization/VisualizationDragDropContainer.h"
3 4 #include "Visualization/VisualizationDragWidget.h"
5 #include "Visualization/VisualizationWidget.h"
6 #include "Visualization/operations/FindVariableOperation.h"
7
8 #include "Variable/VariableController.h"
9
10 #include "Common/MimeTypesDef.h"
11 #include "Common/VisualizationDef.h"
4 12
5 13 #include <QDir>
6 14 #include <QDragEnterEvent>
7 15 #include <QDragMoveEvent>
8 16 #include <QScrollArea>
9 17 #include <QScrollBar>
10 18 #include <QTimer>
11 19 #include <QVBoxLayout>
12 20
13 21 const int SCROLL_SPEED = 5;
14 22 const int SCROLL_ZONE_SIZE = 50;
15 23
24 Q_LOGGING_CATEGORY(LOG_DragDropHelper, "DragDrophelper")
25
16 26 struct DragDropScroller::DragDropScrollerPrivate {
17 27
18 28 QList<QScrollArea *> m_ScrollAreas;
19 29 QScrollArea *m_CurrentScrollArea = nullptr;
20 30 std::unique_ptr<QTimer> m_Timer = nullptr;
21 31
22 32
23 33 enum class ScrollDirection { up, down, unknown };
24 34 ScrollDirection m_Direction = ScrollDirection::unknown;
25 35
26 36 explicit DragDropScrollerPrivate() : m_Timer{std::make_unique<QTimer>()}
27 37 {
28 38 m_Timer->setInterval(0);
29 39 }
30 40 };
31 41
32 42 DragDropScroller::DragDropScroller(QObject *parent)
33 43 : QObject{parent}, impl{spimpl::make_unique_impl<DragDropScrollerPrivate>()}
34 44 {
35 45 connect(impl->m_Timer.get(), &QTimer::timeout, this, &DragDropScroller::onTimer);
36 46 }
37 47
38 48 void DragDropScroller::addScrollArea(QScrollArea *scrollArea)
39 49 {
40 50 impl->m_ScrollAreas << scrollArea;
41 51 scrollArea->viewport()->setAcceptDrops(true);
42 52 }
43 53
44 54 void DragDropScroller::removeScrollArea(QScrollArea *scrollArea)
45 55 {
46 56 impl->m_ScrollAreas.removeAll(scrollArea);
47 57 scrollArea->viewport()->setAcceptDrops(false);
48 58 }
49 59
50 60 bool DragDropScroller::eventFilter(QObject *obj, QEvent *event)
51 61 {
52 62 if (event->type() == QEvent::DragMove) {
53 63 auto w = static_cast<QWidget *>(obj);
54 64
55 65 if (impl->m_CurrentScrollArea && impl->m_CurrentScrollArea->isAncestorOf(w)) {
56 66 auto moveEvent = static_cast<QDragMoveEvent *>(event);
57 67
58 68 auto pos = moveEvent->pos();
59 69 if (impl->m_CurrentScrollArea->viewport() != w) {
60 70 auto globalPos = w->mapToGlobal(moveEvent->pos());
61 71 pos = impl->m_CurrentScrollArea->viewport()->mapFromGlobal(globalPos);
62 72 }
63 73
64 74 auto isInTopZone = pos.y() > impl->m_CurrentScrollArea->viewport()->size().height()
65 75 - SCROLL_ZONE_SIZE;
66 76 auto isInBottomZone = pos.y() < SCROLL_ZONE_SIZE;
67 77
68 78 if (!isInTopZone && !isInBottomZone) {
69 79 impl->m_Direction = DragDropScrollerPrivate::ScrollDirection::unknown;
70 80 impl->m_Timer->stop();
71 81 }
72 82 else if (!impl->m_Timer->isActive()) {
73 83 impl->m_Direction = isInTopZone ? DragDropScrollerPrivate::ScrollDirection::up
74 84 : DragDropScrollerPrivate::ScrollDirection::down;
75 85 impl->m_Timer->start();
76 86 }
77 87 }
78 88 }
79 89 else if (event->type() == QEvent::DragEnter) {
80 90 auto w = static_cast<QWidget *>(obj);
81 91
82 92 for (auto scrollArea : impl->m_ScrollAreas) {
83 93 if (impl->m_CurrentScrollArea != scrollArea && scrollArea->isAncestorOf(w)) {
84 94 auto enterEvent = static_cast<QDragEnterEvent *>(event);
85 95 enterEvent->acceptProposedAction();
86 96 enterEvent->setDropAction(Qt::IgnoreAction);
87 97 impl->m_CurrentScrollArea = scrollArea;
88 98 break;
89 99 }
90 100 }
91 101 }
92 102 else if (event->type() == QEvent::DragLeave) {
93 103 if (impl->m_CurrentScrollArea) {
94 104 if (!QRect(QPoint(), impl->m_CurrentScrollArea->size())
95 105 .contains(impl->m_CurrentScrollArea->mapFromGlobal(QCursor::pos()))) {
96 106 impl->m_CurrentScrollArea = nullptr;
97 107 impl->m_Direction = DragDropScrollerPrivate::ScrollDirection::unknown;
98 108 impl->m_Timer->stop();
99 109 }
100 110 }
101 111 }
102 112 else if (event->type() == QEvent::Drop) {
103 113 if (impl->m_CurrentScrollArea) {
104 114 impl->m_CurrentScrollArea = nullptr;
105 115 impl->m_Direction = DragDropScrollerPrivate::ScrollDirection::unknown;
106 116 impl->m_Timer->stop();
107 117 }
108 118 }
109 119
110 120 return false;
111 121 }
112 122
113 123 void DragDropScroller::onTimer()
114 124 {
115 125 if (impl->m_CurrentScrollArea) {
116 126 auto mvt = 0;
117 127 switch (impl->m_Direction) {
118 128 case DragDropScrollerPrivate::ScrollDirection::up:
119 129 mvt = SCROLL_SPEED;
120 130 break;
121 131 case DragDropScrollerPrivate::ScrollDirection::down:
122 132 mvt = -SCROLL_SPEED;
123 133 break;
124 134 default:
125 135 break;
126 136 }
127 137
128 138 impl->m_CurrentScrollArea->verticalScrollBar()->setValue(
129 139 impl->m_CurrentScrollArea->verticalScrollBar()->value() + mvt);
130 140 }
131 141 }
132 142
133 143 struct DragDropHelper::DragDropHelperPrivate {
134 144
135 145 VisualizationDragWidget *m_CurrentDragWidget = nullptr;
136 146 std::unique_ptr<QWidget> m_PlaceHolder = nullptr;
137 147 std::unique_ptr<DragDropScroller> m_DragDropScroller = nullptr;
138 148 QString m_ImageTempUrl; // Temporary file for image url generated by the drag & drop. Not using
139 149 // QTemporaryFile to have a name which is not generated.
140 150
141 151 explicit DragDropHelperPrivate()
142 152 : m_PlaceHolder{std::make_unique<QWidget>()},
143 153 m_DragDropScroller{std::make_unique<DragDropScroller>()}
144 154 {
145 155 m_PlaceHolder->setStyleSheet("background-color: #BBD5EE; border:2px solid #2A7FD4");
146 156 sqpApp->installEventFilter(m_DragDropScroller.get());
147 157
148 158
149 159 m_ImageTempUrl = QDir::temp().absoluteFilePath("Scqlop_graph.png");
150 160 }
151 161
152 162 void preparePlaceHolder() const
153 163 {
154 164 if (m_CurrentDragWidget) {
155 165 m_PlaceHolder->setMinimumSize(m_CurrentDragWidget->size());
156 166 m_PlaceHolder->setSizePolicy(m_CurrentDragWidget->sizePolicy());
157 167 }
158 168 else {
159 m_PlaceHolder->setMinimumSize(200, 200);
169 // Configuration of the placeHolder when there is no dragWidget
170 // (for instance with a drag from a variable)
171
172 m_PlaceHolder->setMinimumSize(400, 300);
173 m_PlaceHolder->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
160 174 }
161 175 }
162 176 };
163 177
164 178
165 179 DragDropHelper::DragDropHelper() : impl{spimpl::make_unique_impl<DragDropHelperPrivate>()}
166 180 {
167 181 }
168 182
169 183 DragDropHelper::~DragDropHelper()
170 184 {
171 185 QFile::remove(impl->m_ImageTempUrl);
172 186 }
173 187
188 void DragDropHelper::resetDragAndDrop()
189 {
190 setCurrentDragWidget(nullptr);
191 }
192
174 193 void DragDropHelper::setCurrentDragWidget(VisualizationDragWidget *dragWidget)
175 194 {
176 195 impl->m_CurrentDragWidget = dragWidget;
177 196 }
178 197
179 198 VisualizationDragWidget *DragDropHelper::getCurrentDragWidget() const
180 199 {
181 200 return impl->m_CurrentDragWidget;
182 201 }
183 202
184 203
185 204 QWidget &DragDropHelper::placeHolder() const
186 205 {
187 206 return *impl->m_PlaceHolder;
188 207 }
189 208
190 209 void DragDropHelper::insertPlaceHolder(QVBoxLayout *layout, int index)
191 210 {
192 211 removePlaceHolder();
193 212 impl->preparePlaceHolder();
194 213 layout->insertWidget(index, impl->m_PlaceHolder.get());
195 214 impl->m_PlaceHolder->show();
196 215 }
197 216
198 217 void DragDropHelper::removePlaceHolder()
199 218 {
200 219 auto parentWidget = impl->m_PlaceHolder->parentWidget();
201 220 if (parentWidget) {
202 221 parentWidget->layout()->removeWidget(impl->m_PlaceHolder.get());
203 222 impl->m_PlaceHolder->setParent(nullptr);
204 223 impl->m_PlaceHolder->hide();
205 224 }
206 225 }
207 226
208 227 bool DragDropHelper::isPlaceHolderSet() const
209 228 {
210 229 return impl->m_PlaceHolder->parentWidget();
211 230 }
212 231
213 232 void DragDropHelper::addDragDropScrollArea(QScrollArea *scrollArea)
214 233 {
215 234 impl->m_DragDropScroller->addScrollArea(scrollArea);
216 235 }
217 236
218 237 void DragDropHelper::removeDragDropScrollArea(QScrollArea *scrollArea)
219 238 {
220 239 impl->m_DragDropScroller->removeScrollArea(scrollArea);
221 240 }
222 241
223 242 QUrl DragDropHelper::imageTemporaryUrl(const QImage &image) const
224 243 {
225 244 image.save(impl->m_ImageTempUrl);
226 245 return QUrl::fromLocalFile(impl->m_ImageTempUrl);
227 246 }
247
248 bool DragDropHelper::checkMimeDataForVisualization(const QMimeData *mimeData,
249 VisualizationDragDropContainer *dropContainer)
250 {
251 auto result = true;
252
253 if (mimeData->hasFormat(MIME_TYPE_VARIABLE_LIST)) {
254 auto variables = sqpApp->variableController().variablesForMimeData(
255 mimeData->data(MIME_TYPE_VARIABLE_LIST));
256
257 if (variables.count() == 1) {
258 // Check that the viariable is not already in a graph
259
260 // Search for the top level VisualizationWidget
261 auto parent = dropContainer->parentWidget();
262 while (parent && qobject_cast<VisualizationWidget *>(parent) == nullptr) {
263 parent = parent->parentWidget();
264 }
265
266 if (parent) {
267 auto visualizationWidget = static_cast<VisualizationWidget *>(parent);
268
269 FindVariableOperation findVariableOperation{variables.first()};
270 visualizationWidget->accept(&findVariableOperation);
271 auto variableContainers = findVariableOperation.result();
272 if (!variableContainers.empty()) {
273 result = false;
274 }
275 }
276 else {
277 qCWarning(LOG_DragDropHelper()) << QObject::tr(
278 "DragDropHelper::checkMimeDataForVisualization, the parent "
279 "VisualizationWidget cannot be found.");
280 result = false;
281 }
282 }
283 else {
284 result = false;
285 }
286 }
287
288 return result;
289 }
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@@ -1,239 +1,245
1 1 #include <Variable/RenameVariableDialog.h>
2 2 #include <Variable/Variable.h>
3 3 #include <Variable/VariableController.h>
4 4 #include <Variable/VariableInspectorWidget.h>
5 5 #include <Variable/VariableMenuHeaderWidget.h>
6 6 #include <Variable/VariableModel.h>
7 7
8 8 #include <ui_VariableInspectorWidget.h>
9 9
10 10 #include <QMouseEvent>
11 11 #include <QSortFilterProxyModel>
12 12 #include <QStyledItemDelegate>
13 13 #include <QWidgetAction>
14 14
15 #include <DragDropHelper.h>
15 16 #include <SqpApplication.h>
16 17
17 18 Q_LOGGING_CATEGORY(LOG_VariableInspectorWidget, "VariableInspectorWidget")
18 19
19 20
20 21 class QProgressBarItemDelegate : public QStyledItemDelegate {
21 22
22 23 public:
23 24 QProgressBarItemDelegate(QObject *parent) : QStyledItemDelegate{parent} {}
24 25
25 26 void paint(QPainter *painter, const QStyleOptionViewItem &option,
26 27 const QModelIndex &index) const
27 28 {
28 29 auto data = index.data(Qt::DisplayRole);
29 30 auto progressData = index.data(VariableRoles::ProgressRole);
30 31 if (data.isValid() && progressData.isValid()) {
31 32 auto name = data.value<QString>();
32 33 auto progress = progressData.value<double>();
33 34 if (progress > 0) {
34 35 auto cancelButtonWidth = 20;
35 36 auto progressBarOption = QStyleOptionProgressBar{};
36 37 auto progressRect = option.rect;
37 38 progressRect.setWidth(progressRect.width() - cancelButtonWidth);
38 39 progressBarOption.rect = progressRect;
39 40 progressBarOption.minimum = 0;
40 41 progressBarOption.maximum = 100;
41 42 progressBarOption.progress = progress;
42 43 progressBarOption.text
43 44 = QString("%1 %2").arg(name).arg(QString::number(progress, 'f', 2) + "%");
44 45 progressBarOption.textVisible = true;
45 46 progressBarOption.textAlignment = Qt::AlignCenter;
46 47
47 48
48 49 QApplication::style()->drawControl(QStyle::CE_ProgressBar, &progressBarOption,
49 50 painter);
50 51
51 52 // Cancel button
52 53 auto buttonRect = QRect(progressRect.right(), option.rect.top(), cancelButtonWidth,
53 54 option.rect.height());
54 55 auto buttonOption = QStyleOptionButton{};
55 56 buttonOption.rect = buttonRect;
56 57 buttonOption.text = "X";
57 58
58 59 QApplication::style()->drawControl(QStyle::CE_PushButton, &buttonOption, painter);
59 60 }
60 61 else {
61 62 QStyledItemDelegate::paint(painter, option, index);
62 63 }
63 64 }
64 65 else {
65 66 QStyledItemDelegate::paint(painter, option, index);
66 67 }
67 68 }
68 69
69 70 bool editorEvent(QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option,
70 71 const QModelIndex &index)
71 72 {
72 73 if (event->type() == QEvent::MouseButtonRelease) {
73 74 auto data = index.data(Qt::DisplayRole);
74 75 auto progressData = index.data(VariableRoles::ProgressRole);
75 76 if (data.isValid() && progressData.isValid()) {
76 77 auto cancelButtonWidth = 20;
77 78 auto progressRect = option.rect;
78 79 progressRect.setWidth(progressRect.width() - cancelButtonWidth);
79 80 // Cancel button
80 81 auto buttonRect = QRect(progressRect.right(), option.rect.top(), cancelButtonWidth,
81 82 option.rect.height());
82 83
83 84 auto e = (QMouseEvent *)event;
84 85 auto clickX = e->x();
85 86 auto clickY = e->y();
86 87
87 88 auto x = buttonRect.left(); // the X coordinate
88 89 auto y = buttonRect.top(); // the Y coordinate
89 90 auto w = buttonRect.width(); // button width
90 91 auto h = buttonRect.height(); // button height
91 92
92 93 if (clickX > x && clickX < x + w) {
93 94 if (clickY > y && clickY < y + h) {
94 95 auto variableModel = sqpApp->variableController().variableModel();
95 96 variableModel->abortProgress(index);
96 97 }
97 98 return true;
98 99 }
99 100 else {
100 101 return QStyledItemDelegate::editorEvent(event, model, option, index);
101 102 }
102 103 }
103 104 else {
104 105 return QStyledItemDelegate::editorEvent(event, model, option, index);
105 106 }
106 107 }
107 108 else {
108 109 return QStyledItemDelegate::editorEvent(event, model, option, index);
109 110 }
110 111
111 112
112 113 return QStyledItemDelegate::editorEvent(event, model, option, index);
113 114 }
114 115 };
115 116
116 117 VariableInspectorWidget::VariableInspectorWidget(QWidget *parent)
117 118 : QWidget{parent},
118 119 ui{new Ui::VariableInspectorWidget},
119 120 m_ProgressBarItemDelegate{new QProgressBarItemDelegate{this}}
120 121 {
121 122 ui->setupUi(this);
122 123
123 124 // Sets model for table
124 125 // auto sortFilterModel = new QSortFilterProxyModel{this};
125 126 // sortFilterModel->setSourceModel(sqpApp->variableController().variableModel());
126 127
127 128 auto variableModel = sqpApp->variableController().variableModel();
128 129 ui->tableView->setModel(variableModel);
129 130
130 131 // Adds extra signal/slot between view and model, so the view can be updated instantly when
131 132 // there is a change of data in the model
132 133 connect(variableModel, SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)), this,
133 134 SLOT(refresh()));
134 135
135 136 ui->tableView->setSelectionModel(sqpApp->variableController().variableSelectionModel());
136 137 ui->tableView->setItemDelegateForColumn(0, m_ProgressBarItemDelegate);
137 138
138 139 // Fixes column sizes
139 140 auto model = ui->tableView->model();
140 141 const auto count = model->columnCount();
141 142 for (auto i = 0; i < count; ++i) {
142 143 ui->tableView->setColumnWidth(
143 144 i, model->headerData(i, Qt::Horizontal, Qt::SizeHintRole).toSize().width());
144 145 }
145 146
146 147 // Sets selection options
147 148 ui->tableView->setSelectionBehavior(QTableView::SelectRows);
148 149 ui->tableView->setSelectionMode(QTableView::ExtendedSelection);
149 150
150 151 // Connection to show a menu when right clicking on the tree
151 152 ui->tableView->setContextMenuPolicy(Qt::CustomContextMenu);
152 153 connect(ui->tableView, &QTableView::customContextMenuRequested, this,
153 154 &VariableInspectorWidget::onTableMenuRequested);
155
156 // Resets the drag&drop operation on a left-click (the drag&drop is also started by a left
157 // click).
158 connect(ui->tableView, &QTableView::clicked,
159 [](const auto &modelIndex) { sqpApp->dragDropHelper().resetDragAndDrop(); });
154 160 }
155 161
156 162 VariableInspectorWidget::~VariableInspectorWidget()
157 163 {
158 164 delete ui;
159 165 }
160 166
161 167 void VariableInspectorWidget::onTableMenuRequested(const QPoint &pos) noexcept
162 168 {
163 169 auto selectedRows = ui->tableView->selectionModel()->selectedRows();
164 170
165 171 // Gets the model to retrieve the underlying selected variables
166 172 auto model = sqpApp->variableController().variableModel();
167 173 auto selectedVariables = QVector<std::shared_ptr<Variable> >{};
168 174 for (const auto &selectedRow : qAsConst(selectedRows)) {
169 175 if (auto selectedVariable = model->variable(selectedRow.row())) {
170 176 selectedVariables.push_back(selectedVariable);
171 177 }
172 178 }
173 179
174 180 QMenu tableMenu{};
175 181
176 182 // Emits a signal so that potential receivers can populate the menu before displaying it
177 183 emit tableMenuAboutToBeDisplayed(&tableMenu, selectedVariables);
178 184
179 185 // Adds menu-specific actions
180 186 if (!selectedVariables.isEmpty()) {
181 187 tableMenu.addSeparator();
182 188
183 189 // 'Rename' and 'Duplicate' actions (only if one variable selected)
184 190 if (selectedVariables.size() == 1) {
185 191 auto selectedVariable = selectedVariables.front();
186 192
187 193 auto duplicateFun = [varW = std::weak_ptr<Variable>(selectedVariable)]()
188 194 {
189 195 if (auto var = varW.lock()) {
190 196 sqpApp->variableController().cloneVariable(var);
191 197 }
192 198 };
193 199
194 200 tableMenu.addAction(tr("Duplicate"), duplicateFun);
195 201
196 202 auto renameFun = [ varW = std::weak_ptr<Variable>(selectedVariable), &model, this ]()
197 203 {
198 204 if (auto var = varW.lock()) {
199 205 // Generates forbidden names (names associated to existing variables)
200 206 auto allVariables = model->variables();
201 207 auto forbiddenNames = QVector<QString>(allVariables.size());
202 208 std::transform(allVariables.cbegin(), allVariables.cend(),
203 209 forbiddenNames.begin(),
204 210 [](const auto &variable) { return variable->name(); });
205 211
206 212 RenameVariableDialog dialog{var->name(), forbiddenNames, this};
207 213 if (dialog.exec() == QDialog::Accepted) {
208 214 var->setName(dialog.name());
209 215 }
210 216 }
211 217 };
212 218
213 219 tableMenu.addAction(tr("Rename..."), renameFun);
214 220 }
215 221
216 222 // 'Delete' action
217 223 auto deleteFun = [&selectedVariables]() {
218 224 sqpApp->variableController().deleteVariables(selectedVariables);
219 225 };
220 226
221 227 tableMenu.addAction(QIcon{":/icones/delete.png"}, tr("Delete"), deleteFun);
222 228 }
223 229
224 230 if (!tableMenu.isEmpty()) {
225 231 // Generates menu header (inserted before first action)
226 232 auto firstAction = tableMenu.actions().first();
227 233 auto headerAction = new QWidgetAction{&tableMenu};
228 234 headerAction->setDefaultWidget(new VariableMenuHeaderWidget{selectedVariables, &tableMenu});
229 235 tableMenu.insertAction(firstAction, headerAction);
230 236
231 237 // Displays menu
232 238 tableMenu.exec(QCursor::pos());
233 239 }
234 240 }
235 241
236 242 void VariableInspectorWidget::refresh() noexcept
237 243 {
238 244 ui->tableView->viewport()->update();
239 245 }
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@@ -1,302 +1,359
1 1 #include "Visualization/VisualizationDragDropContainer.h"
2 2 #include "DragDropHelper.h"
3 3 #include "SqpApplication.h"
4 4 #include "Visualization/VisualizationDragWidget.h"
5 5
6 6 #include <QDrag>
7 7 #include <QDragEnterEvent>
8 8 #include <QVBoxLayout>
9 9
10 10 #include <cmath>
11 11 #include <memory>
12 12
13 Q_LOGGING_CATEGORY(LOG_VisualizationDragDropContainer, "VisualizationDragDropContainer")
14
13 15 struct VisualizationDragDropContainer::VisualizationDragDropContainerPrivate {
14 16
15 17 QVBoxLayout *m_Layout;
16 18 QStringList m_AcceptedMimeTypes;
17 19 QStringList m_MergeAllowedMimeTypes;
20 VisualizationDragDropContainer::AcceptMimeDataFunction m_AcceptMimeDataFun
21 = [](auto mimeData) { return true; };
18 22
19 23 explicit VisualizationDragDropContainerPrivate(QWidget *widget)
20 24 {
21 25 m_Layout = new QVBoxLayout(widget);
22 26 m_Layout->setContentsMargins(0, 0, 0, 0);
23 27 }
24 28
25 29 bool acceptMimeData(const QMimeData *data) const
26 30 {
27 31 for (const auto &type : m_AcceptedMimeTypes) {
28 if (data->hasFormat(type)) {
32 if (data->hasFormat(type) && m_AcceptMimeDataFun(data)) {
29 33 return true;
30 34 }
31 35 }
32 36
33 37 return false;
34 38 }
35 39
36 40 bool allowMergeMimeData(const QMimeData *data) const
37 41 {
38 42 for (const auto &type : m_MergeAllowedMimeTypes) {
39 43 if (data->hasFormat(type)) {
40 44 return true;
41 45 }
42 46 }
43 47
44 48 return false;
45 49 }
46 50
47 51 bool hasPlaceHolder() const
48 52 {
49 53 return sqpApp->dragDropHelper().placeHolder().parentWidget() == m_Layout->parentWidget();
50 54 }
51 55
52 56 VisualizationDragWidget *getChildDragWidgetAt(QWidget *parent, const QPoint &pos) const
53 57 {
54 58 VisualizationDragWidget *dragWidget = nullptr;
55 59
56 60 for (auto child : parent->children()) {
57 61 auto widget = qobject_cast<VisualizationDragWidget *>(child);
58 62 if (widget && widget->isVisible()) {
59 63 if (widget->frameGeometry().contains(pos)) {
60 64 dragWidget = widget;
61 65 break;
62 66 }
63 67 }
64 68 }
65 69
66 70 return dragWidget;
67 71 }
68 72
69 73 bool cursorIsInContainer(QWidget *container) const
70 74 {
71 75 auto adustNum = 18; // to be safe, in case of scrollbar on the side
72 76 auto containerRect = QRect(QPoint(), container->contentsRect().size())
73 77 .adjusted(adustNum, adustNum, -adustNum, -adustNum);
74 78 return containerRect.contains(container->mapFromGlobal(QCursor::pos()));
75 79 }
76 80 };
77 81
78 82 VisualizationDragDropContainer::VisualizationDragDropContainer(QWidget *parent)
79 83 : QWidget{parent},
80 84 impl{spimpl::make_unique_impl<VisualizationDragDropContainerPrivate>(this)}
81 85 {
82 86 setAcceptDrops(true);
83 87 }
84 88
85 89 void VisualizationDragDropContainer::addDragWidget(VisualizationDragWidget *dragWidget)
86 90 {
87 91 impl->m_Layout->addWidget(dragWidget);
88 92 disconnect(dragWidget, &VisualizationDragWidget::dragDetected, nullptr, nullptr);
89 93 connect(dragWidget, &VisualizationDragWidget::dragDetected, this,
90 94 &VisualizationDragDropContainer::startDrag);
91 95 }
92 96
93 97 void VisualizationDragDropContainer::insertDragWidget(int index,
94 98 VisualizationDragWidget *dragWidget)
95 99 {
96 100 impl->m_Layout->insertWidget(index, dragWidget);
97 101 disconnect(dragWidget, &VisualizationDragWidget::dragDetected, nullptr, nullptr);
98 102 connect(dragWidget, &VisualizationDragWidget::dragDetected, this,
99 103 &VisualizationDragDropContainer::startDrag);
100 104 }
101 105
102 106 void VisualizationDragDropContainer::setAcceptedMimeTypes(const QStringList &mimeTypes)
103 107 {
104 108 impl->m_AcceptedMimeTypes = mimeTypes;
105 109 }
106 110
107 111 void VisualizationDragDropContainer::setMergeAllowedMimeTypes(const QStringList &mimeTypes)
108 112 {
109 113 impl->m_MergeAllowedMimeTypes = mimeTypes;
110 114 }
111 115
112 116 int VisualizationDragDropContainer::countDragWidget() const
113 117 {
114 118 auto nbGraph = 0;
115 119 for (auto child : children()) {
116 120 if (qobject_cast<VisualizationDragWidget *>(child)) {
117 121 nbGraph += 1;
118 122 }
119 123 }
120 124
121 125 return nbGraph;
122 126 }
123 127
128 void VisualizationDragDropContainer::setAcceptMimeDataFunction(
129 VisualizationDragDropContainer::AcceptMimeDataFunction fun)
130 {
131 impl->m_AcceptMimeDataFun = fun;
132 }
133
124 134 void VisualizationDragDropContainer::startDrag(VisualizationDragWidget *dragWidget,
125 135 const QPoint &dragPosition)
126 136 {
127 137 auto &helper = sqpApp->dragDropHelper();
138 helper.resetDragAndDrop();
128 139
129 140 // Note: The management of the drag object is done by Qt
130 141 auto drag = new QDrag{dragWidget};
131 142 drag->setHotSpot(dragPosition);
132 143
133 144 auto mimeData = dragWidget->mimeData();
134 145 drag->setMimeData(mimeData);
135 146
136 147 auto pixmap = QPixmap(dragWidget->size());
137 148 dragWidget->render(&pixmap);
138 149 drag->setPixmap(pixmap);
139 150
140 151 auto image = pixmap.toImage();
141 152 mimeData->setImageData(image);
142 153 mimeData->setUrls({helper.imageTemporaryUrl(image)});
143 154
144 155 if (impl->m_Layout->indexOf(dragWidget) >= 0) {
145 156 helper.setCurrentDragWidget(dragWidget);
146 157
147 158 if (impl->cursorIsInContainer(this)) {
148 159 auto dragWidgetIndex = impl->m_Layout->indexOf(dragWidget);
149 160 helper.insertPlaceHolder(impl->m_Layout, dragWidgetIndex);
150 161 dragWidget->setVisible(false);
151 162 }
152 }
153 163
154 // Note: The exec() is blocking on windows but not on linux and macOS
155 drag->exec(Qt::MoveAction | Qt::CopyAction);
164 // Note: The exec() is blocking on windows but not on linux and macOS
165 drag->exec(Qt::MoveAction | Qt::CopyAction);
166 }
167 else {
168 qCWarning(LOG_VisualizationDragDropContainer())
169 << tr("VisualizationDragDropContainer::startDrag, drag aborted, the specified "
170 "VisualizationDragWidget is not found in this container.");
171 }
156 172 }
157 173
158 174 void VisualizationDragDropContainer::dragEnterEvent(QDragEnterEvent *event)
159 175 {
160 176 if (impl->acceptMimeData(event->mimeData())) {
161 177 event->acceptProposedAction();
162 178
163 179 auto &helper = sqpApp->dragDropHelper();
164 180
165 181 if (!impl->hasPlaceHolder()) {
166 182 auto dragWidget = helper.getCurrentDragWidget();
167 auto parentWidget
168 = qobject_cast<VisualizationDragDropContainer *>(dragWidget->parentWidget());
169 if (parentWidget) {
170 dragWidget->setVisible(false);
183
184 if (dragWidget) {
185 // If the drag&drop is internal to the visualization, entering the container hide
186 // the dragWidget which was hidden by the dragLeaveEvent
187 auto parentWidget
188 = qobject_cast<VisualizationDragDropContainer *>(dragWidget->parentWidget());
189 if (parentWidget) {
190 dragWidget->setVisible(false);
191 }
171 192 }
172 193
173 194 auto dragWidgetHovered = impl->getChildDragWidgetAt(this, event->pos());
174 195
175 196 if (dragWidgetHovered) {
176 197 auto hoveredWidgetIndex = impl->m_Layout->indexOf(dragWidgetHovered);
177 auto dragWidgetIndex = impl->m_Layout->indexOf(helper.getCurrentDragWidget());
178 if (dragWidgetIndex >= 0 && dragWidgetIndex <= hoveredWidgetIndex) {
179 hoveredWidgetIndex
180 += 1; // Correction of the index if the drop occurs in the same container
198
199 if (dragWidget) {
200 auto dragWidgetIndex = impl->m_Layout->indexOf(helper.getCurrentDragWidget());
201 if (dragWidgetIndex >= 0 && dragWidgetIndex <= hoveredWidgetIndex) {
202 // Correction of the index if the drop occurs in the same container
203 // and if the drag is started from the visualization (in that case, the
204 // dragWidget is hidden)
205 hoveredWidgetIndex += 1;
206 }
181 207 }
182 208
183 209 helper.insertPlaceHolder(impl->m_Layout, hoveredWidgetIndex);
184 210 }
185 211 else {
186 212 helper.insertPlaceHolder(impl->m_Layout, 0);
187 213 }
188 214 }
215 else {
216 // do nothing
217 }
189 218 }
190 219 else {
191 220 event->ignore();
192 221 }
193 222
194 223 QWidget::dragEnterEvent(event);
195 224 }
196 225
197 226 void VisualizationDragDropContainer::dragLeaveEvent(QDragLeaveEvent *event)
198 227 {
199 228 Q_UNUSED(event);
200 229
201 230 auto &helper = sqpApp->dragDropHelper();
202 231
203 232 if (!impl->cursorIsInContainer(this)) {
204 233 helper.removePlaceHolder();
205 234
206 bool isInternal = true;
207 if (isInternal) {
208 // Only if the drag is started from the visualization
209 // Show the drag widget at its original place
235 auto dragWidget = helper.getCurrentDragWidget();
236 if (dragWidget) {
237 // dragWidget has a value only if the drag is started from the visualization
238 // In that case, shows the drag widget at its original place
210 239 // So the drag widget doesn't stay hidden if the drop occurs outside the visualization
211 240 // drop zone (It is not possible to catch a drop event outside of the application)
212 241
213 auto dragWidget = sqpApp->dragDropHelper().getCurrentDragWidget();
214 242 if (dragWidget) {
215 243 dragWidget->setVisible(true);
216 244 }
217 245 }
218 246 }
247 else {
248 // Leave event probably received for a child widget.
249 // Do nothing.
250 // Note: The DragLeave event, doesn't have any mean to determine who sent it.
251 }
219 252
220 253 QWidget::dragLeaveEvent(event);
221 254 }
222 255
223 256 void VisualizationDragDropContainer::dragMoveEvent(QDragMoveEvent *event)
224 257 {
225 258 if (impl->acceptMimeData(event->mimeData())) {
226 259 auto dragWidgetHovered = impl->getChildDragWidgetAt(this, event->pos());
227 260 if (dragWidgetHovered) {
228 261 auto canMerge = impl->allowMergeMimeData(event->mimeData());
229 262
230 263 auto nbDragWidget = countDragWidget();
231 264 if (nbDragWidget > 0) {
232 265 auto graphHeight = size().height() / nbDragWidget;
233 266 auto dropIndex = floor(event->pos().y() / graphHeight);
234 267 auto zoneSize = qMin(graphHeight / 3.0, 150.0);
235 268
236 269 auto isOnTop = event->pos().y() < dropIndex * graphHeight + zoneSize;
237 270 auto isOnBottom = event->pos().y() > (dropIndex + 1) * graphHeight - zoneSize;
238 271
239 272 auto &helper = sqpApp->dragDropHelper();
240 273 auto placeHolderIndex = impl->m_Layout->indexOf(&(helper.placeHolder()));
241 274
242 275 if (isOnTop || isOnBottom) {
243 276 if (isOnBottom) {
244 277 dropIndex += 1;
245 278 }
246 279
247 auto dragWidgetIndex = impl->m_Layout->indexOf(helper.getCurrentDragWidget());
248 if (dragWidgetIndex >= 0 && dragWidgetIndex <= dropIndex) {
249 dropIndex += 1; // Correction of the index if the drop occurs in the same
250 // container
280 if (helper.getCurrentDragWidget()) {
281 auto dragWidgetIndex
282 = impl->m_Layout->indexOf(helper.getCurrentDragWidget());
283 if (dragWidgetIndex >= 0 && dragWidgetIndex <= dropIndex) {
284 // Correction of the index if the drop occurs in the same container
285 // and if the drag is started from the visualization (in that case, the
286 // dragWidget is hidden)
287 dropIndex += 1;
288 }
251 289 }
252 290
253 291 if (dropIndex != placeHolderIndex) {
254 292 helper.insertPlaceHolder(impl->m_Layout, dropIndex);
255 293 }
256 294 }
257 295 else if (canMerge) {
258 296 // drop on the middle -> merge
259 297 if (impl->hasPlaceHolder()) {
260 298 helper.removePlaceHolder();
261 299 }
262 300 }
263 301 }
302 else {
303 qCWarning(LOG_VisualizationDragDropContainer())
304 << tr("VisualizationDragDropContainer::dragMoveEvent, no widget found in the "
305 "container");
306 }
307 }
308 else {
309 // No hovered drag widget, the mouse is probably hover the placeHolder
310 // Do nothing
264 311 }
265 312 }
266 313 else {
267 314 event->ignore();
268 315 }
269 316
270 317 QWidget::dragMoveEvent(event);
271 318 }
272 319
273 320 void VisualizationDragDropContainer::dropEvent(QDropEvent *event)
274 321 {
275 322 if (impl->acceptMimeData(event->mimeData())) {
276 323 auto dragWidget = sqpApp->dragDropHelper().getCurrentDragWidget();
277 if (impl->hasPlaceHolder() && dragWidget) {
324 if (impl->hasPlaceHolder()) {
278 325 auto &helper = sqpApp->dragDropHelper();
279 326
280 327 auto droppedIndex = impl->m_Layout->indexOf(&helper.placeHolder());
281 328
282 auto dragWidgetIndex = impl->m_Layout->indexOf(dragWidget);
283 if (dragWidgetIndex >= 0 && dragWidgetIndex < droppedIndex) {
284 droppedIndex
285 -= 1; // Correction of the index if the drop occurs in the same container
286 }
329 if (dragWidget) {
330 auto dragWidgetIndex = impl->m_Layout->indexOf(dragWidget);
331 if (dragWidgetIndex >= 0 && dragWidgetIndex < droppedIndex) {
332 // Correction of the index if the drop occurs in the same container
333 // and if the drag is started from the visualization (in that case, the
334 // dragWidget is hidden)
335 droppedIndex -= 1;
336 }
287 337
288 dragWidget->setVisible(true);
338 dragWidget->setVisible(true);
339 }
289 340
290 341 event->acceptProposedAction();
291 342
292 343 helper.removePlaceHolder();
293 344
294 345 emit dropOccured(droppedIndex, event->mimeData());
295 346 }
347 else {
348 qCWarning(LOG_VisualizationDragDropContainer())
349 << tr("VisualizationDragDropContainer::dropEvent, couldn't drop because the "
350 "placeHolder is not found.");
351 Q_ASSERT(false);
352 }
296 353 }
297 354 else {
298 355 event->ignore();
299 356 }
300 357
301 358 QWidget::dropEvent(event);
302 359 }
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@@ -1,220 +1,294
1 1 #include "Visualization/VisualizationTabWidget.h"
2 2 #include "Visualization/IVisualizationWidgetVisitor.h"
3 3 #include "ui_VisualizationTabWidget.h"
4 4
5 5 #include "Visualization/VisualizationGraphWidget.h"
6 6 #include "Visualization/VisualizationZoneWidget.h"
7 7
8 8 #include "Variable/VariableController.h"
9 9
10 10 #include "Common/MimeTypesDef.h"
11 11
12 12 #include "DragDropHelper.h"
13 13 #include "SqpApplication.h"
14 14
15 15 Q_LOGGING_CATEGORY(LOG_VisualizationTabWidget, "VisualizationTabWidget")
16 16
17 17 namespace {
18 18
19 19 /// Generates a default name for a new zone, according to the number of zones already displayed in
20 20 /// the tab
21 21 QString defaultZoneName(const QLayout &layout)
22 22 {
23 23 auto count = 0;
24 24 for (auto i = 0; i < layout.count(); ++i) {
25 25 if (dynamic_cast<VisualizationZoneWidget *>(layout.itemAt(i)->widget())) {
26 26 count++;
27 27 }
28 28 }
29 29
30 30 return QObject::tr("Zone %1").arg(count + 1);
31 31 }
32 32
33 33 /**
34 34 * Applies a function to all zones of the tab represented by its layout
35 35 * @param layout the layout that contains zones
36 36 * @param fun the function to apply to each zone
37 37 */
38 38 template <typename Fun>
39 39 void processZones(QLayout &layout, Fun fun)
40 40 {
41 41 for (auto i = 0; i < layout.count(); ++i) {
42 42 if (auto item = layout.itemAt(i)) {
43 43 if (auto visualizationZoneWidget
44 44 = dynamic_cast<VisualizationZoneWidget *>(item->widget())) {
45 45 fun(*visualizationZoneWidget);
46 46 }
47 47 }
48 48 }
49 49 }
50 50
51 51 } // namespace
52 52
53 53 struct VisualizationTabWidget::VisualizationTabWidgetPrivate {
54 54 explicit VisualizationTabWidgetPrivate(const QString &name) : m_Name{name} {}
55 55
56 56 QString m_Name;
57
58 void dropGraph(int index, VisualizationTabWidget *tabWidget);
59 void dropZone(int index, VisualizationTabWidget *tabWidget);
60 void dropVariables(const QList<std::shared_ptr<Variable> > &variables, int index,
61 VisualizationTabWidget *tabWidget);
57 62 };
58 63
59 64 VisualizationTabWidget::VisualizationTabWidget(const QString &name, QWidget *parent)
60 65 : QWidget{parent},
61 66 ui{new Ui::VisualizationTabWidget},
62 67 impl{spimpl::make_unique_impl<VisualizationTabWidgetPrivate>(name)}
63 68 {
64 69 ui->setupUi(this);
65 70
66 ui->dragDropContainer->setAcceptedMimeTypes({MIME_TYPE_GRAPH, MIME_TYPE_ZONE});
71 ui->dragDropContainer->setAcceptedMimeTypes(
72 {MIME_TYPE_GRAPH, MIME_TYPE_ZONE, MIME_TYPE_VARIABLE_LIST});
67 73 connect(ui->dragDropContainer, &VisualizationDragDropContainer::dropOccured, this,
68 74 &VisualizationTabWidget::dropMimeData);
75 ui->dragDropContainer->setAcceptMimeDataFunction([this](auto mimeData) {
76 return sqpApp->dragDropHelper().checkMimeDataForVisualization(mimeData,
77 ui->dragDropContainer);
78 });
69 79 sqpApp->dragDropHelper().addDragDropScrollArea(ui->scrollArea);
70 80
71 81 // Widget is deleted when closed
72 82 setAttribute(Qt::WA_DeleteOnClose);
73 83 }
74 84
75 85 VisualizationTabWidget::~VisualizationTabWidget()
76 86 {
77 87 sqpApp->dragDropHelper().removeDragDropScrollArea(ui->scrollArea);
78 88 delete ui;
79 89 }
80 90
81 91 void VisualizationTabWidget::addZone(VisualizationZoneWidget *zoneWidget)
82 92 {
83 93 ui->dragDropContainer->addDragWidget(zoneWidget);
84 94 }
85 95
86 96 void VisualizationTabWidget::insertZone(int index, VisualizationZoneWidget *zoneWidget)
87 97 {
88 98 ui->dragDropContainer->insertDragWidget(index, zoneWidget);
89 99 }
90 100
91 101 VisualizationZoneWidget *VisualizationTabWidget::createZone(std::shared_ptr<Variable> variable)
92 102 {
93 103 return createZone({variable}, -1);
94 104 }
95 105
96 106 VisualizationZoneWidget *
97 107 VisualizationTabWidget::createZone(const QList<std::shared_ptr<Variable> > &variables, int index)
98 108 {
99 109 auto zoneWidget = createEmptyZone(index);
100 110
101 111 // Creates a new graph into the zone
102 112 zoneWidget->createGraph(variables, index);
103 113
104 114 return zoneWidget;
105 115 }
106 116
107 117 VisualizationZoneWidget *VisualizationTabWidget::createEmptyZone(int index)
108 118 {
109 119 auto zoneWidget
110 120 = new VisualizationZoneWidget{defaultZoneName(*ui->dragDropContainer->layout()), this};
111 121 this->insertZone(index, zoneWidget);
112 122
113 123 return zoneWidget;
114 124 }
115 125
116 126 void VisualizationTabWidget::accept(IVisualizationWidgetVisitor *visitor)
117 127 {
118 128 if (visitor) {
119 129 visitor->visitEnter(this);
120 130
121 131 // Apply visitor to zone children: widgets different from zones are not visited (no action)
122 132 processZones(tabLayout(), [visitor](VisualizationZoneWidget &zoneWidget) {
123 133 zoneWidget.accept(visitor);
124 134 });
125 135
126 136 visitor->visitLeave(this);
127 137 }
128 138 else {
129 139 qCCritical(LOG_VisualizationTabWidget()) << tr("Can't visit widget : the visitor is null");
130 140 }
131 141 }
132 142
133 143 bool VisualizationTabWidget::canDrop(const Variable &variable) const
134 144 {
135 145 // A tab can always accomodate a variable
136 146 Q_UNUSED(variable);
137 147 return true;
138 148 }
139 149
140 150 bool VisualizationTabWidget::contains(const Variable &variable) const
141 151 {
142 152 Q_UNUSED(variable);
143 153 return false;
144 154 }
145 155
146 156 QString VisualizationTabWidget::name() const
147 157 {
148 158 return impl->m_Name;
149 159 }
150 160
151 161 void VisualizationTabWidget::closeEvent(QCloseEvent *event)
152 162 {
153 163 // Closes zones in the tab
154 164 processZones(tabLayout(), [](VisualizationZoneWidget &zoneWidget) { zoneWidget.close(); });
155 165
156 166 QWidget::closeEvent(event);
157 167 }
158 168
159 169 QLayout &VisualizationTabWidget::tabLayout() const noexcept
160 170 {
161 171 return *ui->dragDropContainer->layout();
162 172 }
163 173
164 174 void VisualizationTabWidget::dropMimeData(int index, const QMimeData *mimeData)
165 175 {
166 auto &helper = sqpApp->dragDropHelper();
167 176 if (mimeData->hasFormat(MIME_TYPE_GRAPH)) {
168 auto graphWidget = static_cast<VisualizationGraphWidget *>(helper.getCurrentDragWidget());
169 auto parentDragDropContainer
170 = qobject_cast<VisualizationDragDropContainer *>(graphWidget->parentWidget());
171 Q_ASSERT(parentDragDropContainer);
172
173 auto nbGraph = parentDragDropContainer->countDragWidget();
174
175 const auto &variables = graphWidget->variables();
176
177 if (!variables.isEmpty()) {
178 // Abort the requests for the variables (if any)
179 // Commented, because it's not sure if it's needed or not
180 // for (const auto& var : variables)
181 //{
182 // sqpApp->variableController().onAbortProgressRequested(var);
183 //}
184
185 if (nbGraph == 1) {
186 // This is the only graph in the previous zone, close the zone
187 graphWidget->parentZoneWidget()->close();
188 }
189 else {
190 // Close the graph
191 graphWidget->close();
192 }
177 impl->dropGraph(index, this);
178 }
179 else if (mimeData->hasFormat(MIME_TYPE_ZONE)) {
180 impl->dropZone(index, this);
181 }
182 else if (mimeData->hasFormat(MIME_TYPE_VARIABLE_LIST)) {
183 auto variables = sqpApp->variableController().variablesForMimeData(
184 mimeData->data(MIME_TYPE_VARIABLE_LIST));
185 impl->dropVariables(variables, index, this);
186 }
187 else {
188 qCWarning(LOG_VisualizationZoneWidget())
189 << tr("VisualizationTabWidget::dropMimeData, unknown MIME data received.");
190 }
191 }
192
193 void VisualizationTabWidget::VisualizationTabWidgetPrivate::dropGraph(
194 int index, VisualizationTabWidget *tabWidget)
195 {
196 auto &helper = sqpApp->dragDropHelper();
197
198 auto graphWidget = qobject_cast<VisualizationGraphWidget *>(helper.getCurrentDragWidget());
199 if (!graphWidget) {
200 qCWarning(LOG_VisualizationZoneWidget())
201 << tr("VisualizationTabWidget::dropGraph, drop aborted, the dropped graph is not "
202 "found or invalid.");
203 Q_ASSERT(false);
204 return;
205 }
206
207 auto parentDragDropContainer
208 = qobject_cast<VisualizationDragDropContainer *>(graphWidget->parentWidget());
209 if (!parentDragDropContainer) {
210 qCWarning(LOG_VisualizationZoneWidget())
211 << tr("VisualizationTabWidget::dropGraph, drop aborted, the parent container of "
212 "the dropped graph is not found.");
213 Q_ASSERT(false);
214 return;
215 }
216
217 auto nbGraph = parentDragDropContainer->countDragWidget();
193 218
194 createZone(variables, index);
219 const auto &variables = graphWidget->variables();
220
221 if (!variables.isEmpty()) {
222 // Abort the requests for the variables (if any)
223 // Commented, because it's not sure if it's needed or not
224 // for (const auto& var : variables)
225 //{
226 // sqpApp->variableController().onAbortProgressRequested(var);
227 //}
228
229 if (nbGraph == 1) {
230 // This is the only graph in the previous zone, close the zone
231 graphWidget->parentZoneWidget()->close();
195 232 }
196 233 else {
197 // The graph is empty, create an empty zone and move the graph inside
234 // Close the graph
235 graphWidget->close();
236 }
198 237
199 auto parentZoneWidget = graphWidget->parentZoneWidget();
238 tabWidget->createZone(variables, index);
239 }
240 else {
241 // The graph is empty, create an empty zone and move the graph inside
200 242
201 parentDragDropContainer->layout()->removeWidget(graphWidget);
243 auto parentZoneWidget = graphWidget->parentZoneWidget();
202 244
203 auto zoneWidget = createEmptyZone(index);
204 zoneWidget->addGraph(graphWidget);
245 parentDragDropContainer->layout()->removeWidget(graphWidget);
205 246
206 // Close the old zone if it was the only graph inside
207 if (nbGraph == 1) {
208 parentZoneWidget->close();
209 }
247 auto zoneWidget = tabWidget->createEmptyZone(index);
248 zoneWidget->addGraph(graphWidget);
249
250 // Close the old zone if it was the only graph inside
251 if (nbGraph == 1) {
252 parentZoneWidget->close();
210 253 }
211 254 }
212 else if (mimeData->hasFormat(MIME_TYPE_ZONE)) {
213 // Simple move of the zone, no variable operation associated
214 auto zoneWidget = static_cast<VisualizationZoneWidget *>(helper.getCurrentDragWidget());
215 auto parentDragDropContainer = zoneWidget->parentWidget();
216 parentDragDropContainer->layout()->removeWidget(zoneWidget);
255 }
217 256
218 ui->dragDropContainer->insertDragWidget(index, zoneWidget);
257 void VisualizationTabWidget::VisualizationTabWidgetPrivate::dropZone(
258 int index, VisualizationTabWidget *tabWidget)
259 {
260 auto &helper = sqpApp->dragDropHelper();
261
262 auto zoneWidget = qobject_cast<VisualizationZoneWidget *>(helper.getCurrentDragWidget());
263 if (!zoneWidget) {
264 qCWarning(LOG_VisualizationZoneWidget())
265 << tr("VisualizationTabWidget::dropZone, drop aborted, the dropped zone is not "
266 "found or invalid.");
267 Q_ASSERT(false);
268 return;
269 }
270
271 auto parentDragDropContainer
272 = qobject_cast<VisualizationDragDropContainer *>(zoneWidget->parentWidget());
273 if (!parentDragDropContainer) {
274 qCWarning(LOG_VisualizationZoneWidget())
275 << tr("VisualizationTabWidget::dropZone, drop aborted, the parent container of "
276 "the dropped zone is not found.");
277 Q_ASSERT(false);
278 return;
219 279 }
280
281 // Simple move of the zone, no variable operation associated
282 parentDragDropContainer->layout()->removeWidget(zoneWidget);
283 tabWidget->ui->dragDropContainer->insertDragWidget(index, zoneWidget);
284 }
285
286 void VisualizationTabWidget::VisualizationTabWidgetPrivate::dropVariables(
287 const QList<std::shared_ptr<Variable> > &variables, int index,
288 VisualizationTabWidget *tabWidget)
289 {
290 // Note: we are sure that there is a single and compatible variable here
291 // because the AcceptMimeDataFunction, set on the drop container, makes the check before the
292 // drop can occur.
293 tabWidget->createZone(variables, index);
220 294 }
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@@ -1,411 +1,484
1 1 #include "Visualization/VisualizationZoneWidget.h"
2 2
3 3 #include "Visualization/IVisualizationWidgetVisitor.h"
4 4 #include "Visualization/QCustomPlotSynchronizer.h"
5 5 #include "Visualization/VisualizationGraphWidget.h"
6 #include "Visualization/VisualizationWidget.h"
6 7 #include "ui_VisualizationZoneWidget.h"
7 8
8 9 #include "Common/MimeTypesDef.h"
9 10 #include <Data/SqpRange.h>
10 11 #include <Variable/Variable.h>
11 12 #include <Variable/VariableController.h>
12 13
14 #include <Visualization/operations/FindVariableOperation.h>
15
13 16 #include <DragDropHelper.h>
14 17 #include <QUuid>
15 18 #include <SqpApplication.h>
16 19 #include <cmath>
17 20
18 21 #include <QLayout>
19 22
20 23 Q_LOGGING_CATEGORY(LOG_VisualizationZoneWidget, "VisualizationZoneWidget")
21 24
22 25 namespace {
23 26
24 27 /// Minimum height for graph added in zones (in pixels)
25 28 const auto GRAPH_MINIMUM_HEIGHT = 300;
26 29
27 30 /// Generates a default name for a new graph, according to the number of graphs already displayed in
28 31 /// the zone
29 32 QString defaultGraphName(const QLayout &layout)
30 33 {
31 34 auto count = 0;
32 35 for (auto i = 0; i < layout.count(); ++i) {
33 36 if (dynamic_cast<VisualizationGraphWidget *>(layout.itemAt(i)->widget())) {
34 37 count++;
35 38 }
36 39 }
37 40
38 41 return QObject::tr("Graph %1").arg(count + 1);
39 42 }
40 43
41 44 /**
42 45 * Applies a function to all graphs of the zone represented by its layout
43 46 * @param layout the layout that contains graphs
44 47 * @param fun the function to apply to each graph
45 48 */
46 49 template <typename Fun>
47 50 void processGraphs(QLayout &layout, Fun fun)
48 51 {
49 52 for (auto i = 0; i < layout.count(); ++i) {
50 53 if (auto item = layout.itemAt(i)) {
51 54 if (auto visualizationGraphWidget
52 55 = dynamic_cast<VisualizationGraphWidget *>(item->widget())) {
53 56 fun(*visualizationGraphWidget);
54 57 }
55 58 }
56 59 }
57 60 }
58 61
59 62 } // namespace
60 63
61 64 struct VisualizationZoneWidget::VisualizationZoneWidgetPrivate {
62 65
63 66 explicit VisualizationZoneWidgetPrivate()
64 67 : m_SynchronisationGroupId{QUuid::createUuid()},
65 68 m_Synchronizer{std::make_unique<QCustomPlotSynchronizer>()}
66 69 {
67 70 }
68 71 QUuid m_SynchronisationGroupId;
69 72 std::unique_ptr<IGraphSynchronizer> m_Synchronizer;
73
74 void dropGraph(int index, VisualizationZoneWidget *zoneWidget);
75 void dropVariables(const QList<std::shared_ptr<Variable> > &variables, int index,
76 VisualizationZoneWidget *zoneWidget);
70 77 };
71 78
72 79 VisualizationZoneWidget::VisualizationZoneWidget(const QString &name, QWidget *parent)
73 80 : VisualizationDragWidget{parent},
74 81 ui{new Ui::VisualizationZoneWidget},
75 82 impl{spimpl::make_unique_impl<VisualizationZoneWidgetPrivate>()}
76 83 {
77 84 ui->setupUi(this);
78 85
79 86 ui->zoneNameLabel->setText(name);
80 87
81 ui->dragDropContainer->setAcceptedMimeTypes({MIME_TYPE_GRAPH});
88 ui->dragDropContainer->setAcceptedMimeTypes({MIME_TYPE_GRAPH, MIME_TYPE_VARIABLE_LIST});
89 ui->dragDropContainer->setAcceptMimeDataFunction([this](auto mimeData) {
90 return sqpApp->dragDropHelper().checkMimeDataForVisualization(mimeData,
91 ui->dragDropContainer);
92 });
82 93 connect(ui->dragDropContainer, &VisualizationDragDropContainer::dropOccured, this,
83 94 &VisualizationZoneWidget::dropMimeData);
84 95
85 96 // 'Close' options : widget is deleted when closed
86 97 setAttribute(Qt::WA_DeleteOnClose);
87 98 connect(ui->closeButton, &QToolButton::clicked, this, &VisualizationZoneWidget::close);
88 99 ui->closeButton->setIcon(sqpApp->style()->standardIcon(QStyle::SP_TitleBarCloseButton));
89 100
90 101 // Synchronisation id
91 102 QMetaObject::invokeMethod(&sqpApp->variableController(), "onAddSynchronizationGroupId",
92 103 Qt::QueuedConnection, Q_ARG(QUuid, impl->m_SynchronisationGroupId));
93 104 }
94 105
95 106 VisualizationZoneWidget::~VisualizationZoneWidget()
96 107 {
97 108 delete ui;
98 109 }
99 110
100 111 void VisualizationZoneWidget::addGraph(VisualizationGraphWidget *graphWidget)
101 112 {
102 113 // Synchronize new graph with others in the zone
103 114 impl->m_Synchronizer->addGraph(*graphWidget);
104 115
105 116 ui->dragDropContainer->addDragWidget(graphWidget);
106 117 }
107 118
108 119 void VisualizationZoneWidget::insertGraph(int index, VisualizationGraphWidget *graphWidget)
109 120 {
110 121 // Synchronize new graph with others in the zone
111 122 impl->m_Synchronizer->addGraph(*graphWidget);
112 123
113 124 ui->dragDropContainer->insertDragWidget(index, graphWidget);
114 125 }
115 126
116 127 VisualizationGraphWidget *VisualizationZoneWidget::createGraph(std::shared_ptr<Variable> variable)
117 128 {
118 129 return createGraph(variable, -1);
119 130 }
120 131
121 132 VisualizationGraphWidget *VisualizationZoneWidget::createGraph(std::shared_ptr<Variable> variable,
122 133 int index)
123 134 {
124 135 auto graphWidget
125 136 = new VisualizationGraphWidget{defaultGraphName(*ui->dragDropContainer->layout()), this};
126 137
127 138
128 139 // Set graph properties
129 140 graphWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::MinimumExpanding);
130 141 graphWidget->setMinimumHeight(GRAPH_MINIMUM_HEIGHT);
131 142
132 143
133 144 // Lambda to synchronize zone widget
134 145 auto synchronizeZoneWidget = [this, graphWidget](const SqpRange &graphRange,
135 146 const SqpRange &oldGraphRange) {
136 147
137 148 auto zoomType = VariableController::getZoomType(graphRange, oldGraphRange);
138 149 auto frameLayout = ui->dragDropContainer->layout();
139 150 for (auto i = 0; i < frameLayout->count(); ++i) {
140 151 auto graphChild
141 152 = dynamic_cast<VisualizationGraphWidget *>(frameLayout->itemAt(i)->widget());
142 153 if (graphChild && (graphChild != graphWidget)) {
143 154
144 155 auto graphChildRange = graphChild->graphRange();
145 156 switch (zoomType) {
146 157 case AcquisitionZoomType::ZoomIn: {
147 158 auto deltaLeft = graphRange.m_TStart - oldGraphRange.m_TStart;
148 159 auto deltaRight = oldGraphRange.m_TEnd - graphRange.m_TEnd;
149 160 graphChildRange.m_TStart += deltaLeft;
150 161 graphChildRange.m_TEnd -= deltaRight;
151 162 qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: ZoomIn");
152 163 qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: deltaLeft")
153 164 << deltaLeft;
154 165 qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: deltaRight")
155 166 << deltaRight;
156 167 qCDebug(LOG_VisualizationZoneWidget())
157 168 << tr("TORM: dt") << graphRange.m_TEnd - graphRange.m_TStart;
158 169
159 170 break;
160 171 }
161 172
162 173 case AcquisitionZoomType::ZoomOut: {
163 174 qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: ZoomOut");
164 175 auto deltaLeft = oldGraphRange.m_TStart - graphRange.m_TStart;
165 176 auto deltaRight = graphRange.m_TEnd - oldGraphRange.m_TEnd;
166 177 qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: deltaLeft")
167 178 << deltaLeft;
168 179 qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: deltaRight")
169 180 << deltaRight;
170 181 qCDebug(LOG_VisualizationZoneWidget())
171 182 << tr("TORM: dt") << graphRange.m_TEnd - graphRange.m_TStart;
172 183 graphChildRange.m_TStart -= deltaLeft;
173 184 graphChildRange.m_TEnd += deltaRight;
174 185 break;
175 186 }
176 187 case AcquisitionZoomType::PanRight: {
177 188 qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: PanRight");
178 189 auto deltaLeft = graphRange.m_TStart - oldGraphRange.m_TStart;
179 190 auto deltaRight = graphRange.m_TEnd - oldGraphRange.m_TEnd;
180 191 graphChildRange.m_TStart += deltaLeft;
181 192 graphChildRange.m_TEnd += deltaRight;
182 193 qCDebug(LOG_VisualizationZoneWidget())
183 194 << tr("TORM: dt") << graphRange.m_TEnd - graphRange.m_TStart;
184 195 break;
185 196 }
186 197 case AcquisitionZoomType::PanLeft: {
187 198 qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: PanLeft");
188 199 auto deltaLeft = oldGraphRange.m_TStart - graphRange.m_TStart;
189 200 auto deltaRight = oldGraphRange.m_TEnd - graphRange.m_TEnd;
190 201 graphChildRange.m_TStart -= deltaLeft;
191 202 graphChildRange.m_TEnd -= deltaRight;
192 203 break;
193 204 }
194 205 case AcquisitionZoomType::Unknown: {
195 206 qCDebug(LOG_VisualizationZoneWidget())
196 207 << tr("Impossible to synchronize: zoom type unknown");
197 208 break;
198 209 }
199 210 default:
200 211 qCCritical(LOG_VisualizationZoneWidget())
201 212 << tr("Impossible to synchronize: zoom type not take into account");
202 213 // No action
203 214 break;
204 215 }
205 216 graphChild->enableAcquisition(false);
206 217 qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: Range before: ")
207 218 << graphChild->graphRange();
208 219 qCDebug(LOG_VisualizationZoneWidget()) << tr("TORM: Range after : ")
209 220 << graphChildRange;
210 221 qCDebug(LOG_VisualizationZoneWidget())
211 222 << tr("TORM: child dt") << graphChildRange.m_TEnd - graphChildRange.m_TStart;
212 223 graphChild->setGraphRange(graphChildRange);
213 224 graphChild->enableAcquisition(true);
214 225 }
215 226 }
216 227 };
217 228
218 229 // connection for synchronization
219 230 connect(graphWidget, &VisualizationGraphWidget::synchronize, synchronizeZoneWidget);
220 231 connect(graphWidget, &VisualizationGraphWidget::variableAdded, this,
221 232 &VisualizationZoneWidget::onVariableAdded);
222 233 connect(graphWidget, &VisualizationGraphWidget::variableAboutToBeRemoved, this,
223 234 &VisualizationZoneWidget::onVariableAboutToBeRemoved);
224 235
225 236 auto range = SqpRange{};
226 237
227 238 // Apply visitor to graph children
228 239 auto layout = ui->dragDropContainer->layout();
229 240 if (layout->count() > 0) {
230 241 // Case of a new graph in a existant zone
231 242 if (auto visualizationGraphWidget
232 243 = dynamic_cast<VisualizationGraphWidget *>(layout->itemAt(0)->widget())) {
233 244 range = visualizationGraphWidget->graphRange();
234 245 }
235 246 }
236 247 else {
237 248 // Case of a new graph as the first of the zone
238 249 range = variable->range();
239 250 }
240 251
241 252 this->insertGraph(index, graphWidget);
242 253
243 254 graphWidget->addVariable(variable, range);
244 255
245 256 // get y using variable range
246 257 if (auto dataSeries = variable->dataSeries()) {
247 258 dataSeries->lockRead();
248 259 auto valuesBounds
249 260 = dataSeries->valuesBounds(variable->range().m_TStart, variable->range().m_TEnd);
250 261 auto end = dataSeries->cend();
251 262 if (valuesBounds.first != end && valuesBounds.second != end) {
252 263 auto rangeValue = [](const auto &value) { return std::isnan(value) ? 0. : value; };
253 264
254 265 auto minValue = rangeValue(valuesBounds.first->minValue());
255 266 auto maxValue = rangeValue(valuesBounds.second->maxValue());
256 267
257 268 graphWidget->setYRange(SqpRange{minValue, maxValue});
258 269 }
259 270 dataSeries->unlock();
260 271 }
261 272
262 273 return graphWidget;
263 274 }
264 275
265 276 VisualizationGraphWidget *
266 277 VisualizationZoneWidget::createGraph(const QList<std::shared_ptr<Variable> > variables, int index)
267 278 {
268 279 if (variables.isEmpty()) {
269 280 return nullptr;
270 281 }
271 282
272 283 auto graphWidget = createGraph(variables.first(), index);
273 284 for (auto variableIt = variables.cbegin() + 1; variableIt != variables.cend(); ++variableIt) {
274 285 graphWidget->addVariable(*variableIt, graphWidget->graphRange());
275 286 }
276 287
277 288 return graphWidget;
278 289 }
279 290
280 291 void VisualizationZoneWidget::accept(IVisualizationWidgetVisitor *visitor)
281 292 {
282 293 if (visitor) {
283 294 visitor->visitEnter(this);
284 295
285 296 // Apply visitor to graph children: widgets different from graphs are not visited (no
286 297 // action)
287 298 processGraphs(
288 299 *ui->dragDropContainer->layout(),
289 300 [visitor](VisualizationGraphWidget &graphWidget) { graphWidget.accept(visitor); });
290 301
291 302 visitor->visitLeave(this);
292 303 }
293 304 else {
294 305 qCCritical(LOG_VisualizationZoneWidget()) << tr("Can't visit widget : the visitor is null");
295 306 }
296 307 }
297 308
298 309 bool VisualizationZoneWidget::canDrop(const Variable &variable) const
299 310 {
300 311 // A tab can always accomodate a variable
301 312 Q_UNUSED(variable);
302 313 return true;
303 314 }
304 315
305 316 bool VisualizationZoneWidget::contains(const Variable &variable) const
306 317 {
307 318 Q_UNUSED(variable);
308 319 return false;
309 320 }
310 321
311 322 QString VisualizationZoneWidget::name() const
312 323 {
313 324 return ui->zoneNameLabel->text();
314 325 }
315 326
316 327 QMimeData *VisualizationZoneWidget::mimeData() const
317 328 {
318 329 auto mimeData = new QMimeData;
319 330 mimeData->setData(MIME_TYPE_ZONE, QByteArray());
320 331
321 332 return mimeData;
322 333 }
323 334
324 335 bool VisualizationZoneWidget::isDragAllowed() const
325 336 {
326 337 return true;
327 338 }
328 339
329 340 void VisualizationZoneWidget::closeEvent(QCloseEvent *event)
330 341 {
331 342 // Closes graphs in the zone
332 343 processGraphs(*ui->dragDropContainer->layout(),
333 344 [](VisualizationGraphWidget &graphWidget) { graphWidget.close(); });
334 345
335 346 // Delete synchronization group from variable controller
336 347 QMetaObject::invokeMethod(&sqpApp->variableController(), "onRemoveSynchronizationGroupId",
337 348 Qt::QueuedConnection, Q_ARG(QUuid, impl->m_SynchronisationGroupId));
338 349
339 350 QWidget::closeEvent(event);
340 351 }
341 352
342 353 void VisualizationZoneWidget::onVariableAdded(std::shared_ptr<Variable> variable)
343 354 {
344 355 QMetaObject::invokeMethod(&sqpApp->variableController(), "onAddSynchronized",
345 356 Qt::QueuedConnection, Q_ARG(std::shared_ptr<Variable>, variable),
346 357 Q_ARG(QUuid, impl->m_SynchronisationGroupId));
347 358 }
348 359
349 360 void VisualizationZoneWidget::onVariableAboutToBeRemoved(std::shared_ptr<Variable> variable)
350 361 {
351 362 QMetaObject::invokeMethod(&sqpApp->variableController(), "desynchronize", Qt::QueuedConnection,
352 363 Q_ARG(std::shared_ptr<Variable>, variable),
353 364 Q_ARG(QUuid, impl->m_SynchronisationGroupId));
354 365 }
355 366
356 367 void VisualizationZoneWidget::dropMimeData(int index, const QMimeData *mimeData)
357 368 {
358 auto &helper = sqpApp->dragDropHelper();
359 369 if (mimeData->hasFormat(MIME_TYPE_GRAPH)) {
360 auto graphWidget = static_cast<VisualizationGraphWidget *>(helper.getCurrentDragWidget());
361 auto parentDragDropContainer
362 = qobject_cast<VisualizationDragDropContainer *>(graphWidget->parentWidget());
363 Q_ASSERT(parentDragDropContainer);
364
365 const auto &variables = graphWidget->variables();
366
367 if (parentDragDropContainer != ui->dragDropContainer && !variables.isEmpty()) {
368 // The drop didn't occur in the same zone
369
370 // Abort the requests for the variables (if any)
371 // Commented, because it's not sure if it's needed or not
372 // for (const auto& var : variables)
373 //{
374 // sqpApp->variableController().onAbortProgressRequested(var);
375 //}
376
377 auto previousParentZoneWidget = graphWidget->parentZoneWidget();
378 auto nbGraph = parentDragDropContainer->countDragWidget();
379 if (nbGraph == 1) {
380 // This is the only graph in the previous zone, close the zone
381 previousParentZoneWidget->close();
382 }
383 else {
384 // Close the graph
385 graphWidget->close();
386 }
370 impl->dropGraph(index, this);
371 }
372 else if (mimeData->hasFormat(MIME_TYPE_VARIABLE_LIST)) {
373 auto variables = sqpApp->variableController().variablesForMimeData(
374 mimeData->data(MIME_TYPE_VARIABLE_LIST));
375 impl->dropVariables(variables, index, this);
376 }
377 else {
378 qCWarning(LOG_VisualizationZoneWidget())
379 << tr("VisualizationZoneWidget::dropMimeData, unknown MIME data received.");
380 }
381 }
382
383 void VisualizationZoneWidget::VisualizationZoneWidgetPrivate::dropGraph(
384 int index, VisualizationZoneWidget *zoneWidget)
385 {
386 auto &helper = sqpApp->dragDropHelper();
387
388 auto graphWidget = qobject_cast<VisualizationGraphWidget *>(helper.getCurrentDragWidget());
389 if (!graphWidget) {
390 qCWarning(LOG_VisualizationZoneWidget())
391 << tr("VisualizationZoneWidget::dropGraph, drop aborted, the dropped graph is not "
392 "found or invalid.");
393 Q_ASSERT(false);
394 return;
395 }
396
397 auto parentDragDropContainer
398 = qobject_cast<VisualizationDragDropContainer *>(graphWidget->parentWidget());
399 if (!parentDragDropContainer) {
400 qCWarning(LOG_VisualizationZoneWidget())
401 << tr("VisualizationZoneWidget::dropGraph, drop aborted, the parent container of "
402 "the dropped graph is not found.");
403 Q_ASSERT(false);
404 return;
405 }
406
407 const auto &variables = graphWidget->variables();
387 408
388 // Creates the new graph in the zone
389 createGraph(variables, index);
409 if (parentDragDropContainer != zoneWidget->ui->dragDropContainer && !variables.isEmpty()) {
410 // The drop didn't occur in the same zone
411
412 // Abort the requests for the variables (if any)
413 // Commented, because it's not sure if it's needed or not
414 // for (const auto& var : variables)
415 //{
416 // sqpApp->variableController().onAbortProgressRequested(var);
417 //}
418
419 auto previousParentZoneWidget = graphWidget->parentZoneWidget();
420 auto nbGraph = parentDragDropContainer->countDragWidget();
421 if (nbGraph == 1) {
422 // This is the only graph in the previous zone, close the zone
423 previousParentZoneWidget->close();
390 424 }
391 425 else {
392 // The drop occurred in the same zone or the graph is empty
393 // Simple move of the graph, no variable operation associated
394 parentDragDropContainer->layout()->removeWidget(graphWidget);
395
396 if (variables.isEmpty() && parentDragDropContainer != ui->dragDropContainer) {
397 // The graph is empty and dropped in a different zone.
398 // Take the range of the first graph in the zone (if existing).
399 auto layout = ui->dragDropContainer->layout();
400 if (layout->count() > 0) {
401 if (auto visualizationGraphWidget
402 = qobject_cast<VisualizationGraphWidget *>(layout->itemAt(0)->widget())) {
403 graphWidget->setGraphRange(visualizationGraphWidget->graphRange());
404 }
426 // Close the graph
427 graphWidget->close();
428 }
429
430 // Creates the new graph in the zone
431 zoneWidget->createGraph(variables, index);
432 }
433 else {
434 // The drop occurred in the same zone or the graph is empty
435 // Simple move of the graph, no variable operation associated
436 parentDragDropContainer->layout()->removeWidget(graphWidget);
437
438 if (variables.isEmpty() && parentDragDropContainer != zoneWidget->ui->dragDropContainer) {
439 // The graph is empty and dropped in a different zone.
440 // Take the range of the first graph in the zone (if existing).
441 auto layout = zoneWidget->ui->dragDropContainer->layout();
442 if (layout->count() > 0) {
443 if (auto visualizationGraphWidget
444 = qobject_cast<VisualizationGraphWidget *>(layout->itemAt(0)->widget())) {
445 graphWidget->setGraphRange(visualizationGraphWidget->graphRange());
405 446 }
406 447 }
448 }
449
450 zoneWidget->ui->dragDropContainer->insertDragWidget(index, graphWidget);
451 }
452 }
453
454 void VisualizationZoneWidget::VisualizationZoneWidgetPrivate::dropVariables(
455 const QList<std::shared_ptr<Variable> > &variables, int index,
456 VisualizationZoneWidget *zoneWidget)
457 {
458 // Search for the top level VisualizationWidget
459 auto parent = zoneWidget->parentWidget();
460 while (parent && qobject_cast<VisualizationWidget *>(parent) == nullptr) {
461 parent = parent->parentWidget();
462 }
463
464 if (!parent) {
465 qCWarning(LOG_VisualizationZoneWidget())
466 << tr("VisualizationZoneWidget::dropVariables, drop aborted, the parent "
467 "VisualizationWidget cannot be found.");
468 Q_ASSERT(false);
469 return;
470 }
471
472 auto visualizationWidget = static_cast<VisualizationWidget *>(parent);
407 473
408 ui->dragDropContainer->insertDragWidget(index, graphWidget);
474 // Search for the first variable which can be dropped
475 for (auto variable : variables) {
476 FindVariableOperation findVariableOperation{variable};
477 visualizationWidget->accept(&findVariableOperation);
478 auto variableContainers = findVariableOperation.result();
479 if (variableContainers.empty()) {
480 zoneWidget->createGraph(variable, index);
481 break;
409 482 }
410 483 }
411 484 }
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