1 // Copyright (C) 2014-2020 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #ifndef MODELAPI_EVENTS_H_
21 #define MODELAPI_EVENTS_H_
24 #include <ModelAPI_Object.h>
25 #include <ModelAPI_Feature.h>
26 #include <ModelAPI_Attribute.h>
27 #include <Events_MessageGroup.h>
28 #include <Events_Loop.h>
36 class ModelAPI_Document;
37 class ModelAPI_ResultParameter;
40 #if defined __GNUC__ || defined __clang__
41 #define MAYBE_UNUSED __attribute__((unused))
46 /// Event ID that feature is created (comes with ModelAPI_ObjectUpdatedMessage)
47 MAYBE_UNUSED static const char * EVENT_OBJECT_CREATED = "ObjectCreated";
48 /// Event ID that data of feature is updated (comes with Model_ObjectUpdatedMessage)
49 MAYBE_UNUSED static const char * EVENT_OBJECT_UPDATED = "ObjectUpdated";
50 /// Event ID that data of feature is deleted (comes with Model_ObjectDeletedMessage)
51 MAYBE_UNUSED static const char * EVENT_OBJECT_DELETED = "ObjectDeleted";
52 /// Event ID that name of feature is changed (comes with Model_ObjectRenamedMessage)
53 MAYBE_UNUSED static const char * EVENT_OBJECT_RENAMED = "ObjectRenamed";
54 /// Event ID that data of feature is updated (comes with ModelAPI_ObjectUpdatedMessage)
55 MAYBE_UNUSED static const char * EVENT_OBJECT_MOVED = "ObjectsMoved";
56 /// Event ID that visualization must be redisplayed (comes with ModelAPI_ObjectUpdatedMessage)
57 MAYBE_UNUSED static const char * EVENT_OBJECT_TO_REDISPLAY = "ObjectsToRedisplay";
58 /// Event ID that plugin is loaded (comes with ModelAPI_ObjectUpdatedMessage)
59 MAYBE_UNUSED static const char * EVENT_PLUGIN_LOADED = "PluginLoaded";
60 /// The active document becomes another one
61 MAYBE_UNUSED static const char * EVENT_DOCUMENT_CHANGED = "CurrentDocumentChanged";
63 /// Event ID that order of objects in group is changed,
64 /// so, tree must be fully recreated (movement of feature)
65 MAYBE_UNUSED static const char * EVENT_ORDER_UPDATED = "OrderUpdated";
66 /// Event ID that the sketch is prepared and all grouped messages for the solver may be flushed
67 MAYBE_UNUSED static const char * EVENT_UPDATE_SELECTION = "UpdateSelection";
69 /// Request for the enabled/disabled actions behavior for some specific features
70 MAYBE_UNUSED static const char * EVENT_FEATURE_STATE_REQUEST = "FeatureStateRequest";
71 /// Reply for the enabled/disabled actions behavior for some specific features
72 MAYBE_UNUSED static const char * EVENT_FEATURE_STATE_RESPONSE = "FeatureStateResponse";
74 /// To block the viewer updates
75 MAYBE_UNUSED static const char * EVENT_UPDATE_VIEWER_BLOCKED = "UpdateViewerBlocked";
76 /// To unblock the viewer updates
77 MAYBE_UNUSED static const char * EVENT_UPDATE_VIEWER_UNBLOCKED = "UpdateViewerUnblocked";
79 /// To inform that there is an empty presentation in the viewer
80 MAYBE_UNUSED static const char * EVENT_EMPTY_AIS_PRESENTATION = "EmptyAISPresentation";
81 /// To inform that there is an empty operation for presentation in the viewer
82 MAYBE_UNUSED static const char * EVENT_EMPTY_OPERATION_PRESENTATION = "EmptyOperationPresentation";
84 MAYBE_UNUSED static const char * EVENT_PREVIEW_BLOCKED = "PreviewBlocked";
85 /// To preview the current feature in the viewer (to compute the result)
86 MAYBE_UNUSED static const char * EVENT_PREVIEW_REQUESTED = "PreviewRequested";
87 /// To block automatic recomputation of any feature (by the GUI button press)
88 MAYBE_UNUSED static const char * EVENT_AUTOMATIC_RECOMPUTATION_DISABLE
89 = "DisableAutomaticRecomputation";
90 /// To unblock block automatic recomputation (default state: the GUI button unpressed)
91 MAYBE_UNUSED static const char * EVENT_AUTOMATIC_RECOMPUTATION_ENABLE
92 = "EnableAutomaticRecomputation";
94 /// Event ID that solver has conflicting constraints (comes with ModelAPI_SolverFailedMessage)
95 MAYBE_UNUSED static const char * EVENT_SOLVER_FAILED = "SolverFailed";
96 /// Event ID that the problem in solver disappeared
97 MAYBE_UNUSED static const char * EVENT_SOLVER_REPAIRED = "SolverRepaired";
99 /// Event Id that sketch has DoF = 0
100 MAYBE_UNUSED static const char * EVENT_SKETCH_FULLY_CONSTRAINED = "SketchFullyConstrainted";
101 /// Event Id that sketch has DoF > 0
102 MAYBE_UNUSED static const char * EVENT_SKETCH_UNDER_CONSTRAINED = "SketchUnderConstrainted";
103 /// Event Id that sketch has DoF < 0
104 MAYBE_UNUSED static const char * EVENT_SKETCH_OVER_CONSTRAINED = "SketchOverConstrainted";
106 /// Event ID that informs that some object has changed the stability
107 MAYBE_UNUSED static const char * EVENT_STABILITY_CHANGED = "StabilityChanged";
109 /// Event ID that the sketch is prepared and all grouped messages for the solver may be flushed
110 MAYBE_UNUSED static const char * EVENT_SKETCH_PREPARED = "SketchPrepared";
112 /// Event ID that provides a request for list of non-fixed objects necessary for DoF = 0
113 MAYBE_UNUSED static const char * EVENT_GET_DOF_OBJECTS = "GetDoFObjects";
115 /// Event ID that provides a request for list of non-fixed objects necessary for DoF = 0
116 MAYBE_UNUSED static const char * EVENT_DOF_OBJECTS = "DoFObjects";
118 /// Event ID that requests updates visual attributes for presentations
119 MAYBE_UNUSED static const char * EVENT_VISUAL_ATTRIBUTES = "UpdateVisualAttributes";
122 /// Message that feature was changed (used for Object Browser update): moved, updated and deleted
123 class MODELAPI_EXPORT ModelAPI_ObjectUpdatedMessage : public Events_MessageGroup
126 /// Creates an empty message
127 ModelAPI_ObjectUpdatedMessage(const Events_ID theID, const void* theSender = 0);
128 /// The virtual destructor
129 virtual ~ModelAPI_ObjectUpdatedMessage();
132 /// Returns the feature that has been updated
133 virtual const std::set<ObjectPtr>& objects() const = 0;
135 //! Creates a new empty group (to store it in the loop before flush)
136 virtual std::shared_ptr<Events_MessageGroup> newEmpty() = 0;
138 //! Allows to join the given message with the current one
139 virtual void Join(const std::shared_ptr<Events_MessageGroup>& theJoined) = 0;
142 /// Message that feature was deleted (used for Object Browser update)
143 class MODELAPI_EXPORT ModelAPI_ObjectDeletedMessage : public Events_MessageGroup
146 /// Creates an empty message
147 ModelAPI_ObjectDeletedMessage(const Events_ID theID, const void* theSender = 0);
148 /// The virtual destructor
149 virtual ~ModelAPI_ObjectDeletedMessage();
152 /// Returns the groups where the objects were deleted
153 virtual const std::list<std::pair<std::shared_ptr<ModelAPI_Document>, std::string> >&
156 /// Creates the new empty message of this kind
157 virtual std::shared_ptr<Events_MessageGroup> newEmpty() = 0;
159 /// Returns the identifier of the kind of a message
160 virtual const Events_ID messageId() = 0;
162 /// Appends to this message the given one.
163 virtual void Join(const std::shared_ptr<Events_MessageGroup>& theJoined) = 0;
166 /// Message that order changed (used for Object Browser update)
167 class MODELAPI_EXPORT ModelAPI_OrderUpdatedMessage : public Events_Message
170 /// Creates a message:
171 ModelAPI_OrderUpdatedMessage(const Events_ID theID, const void* theSender = 0);
172 /// The virtual destructor
173 virtual ~ModelAPI_OrderUpdatedMessage();
176 /// Returns the document that has been updated
177 virtual std::shared_ptr<ModelAPI_Feature> reordered() = 0;
179 /// Returns the identifier of the kind of a message
180 virtual const Events_ID messageId() = 0;
183 /// Allows to create ModelAPI messages
184 class MODELAPI_EXPORT ModelAPI_EventCreator
187 virtual ~ModelAPI_EventCreator() {}
189 /// creates created, updated or moved messages and sends to the loop
190 virtual void sendUpdated(const ObjectPtr& theObject, const Events_ID& theEvent,
191 const bool isGroupped = true) const = 0;
192 /// creates created, updated or moved messages with the objects collection and sends to the loop
193 virtual void sendUpdated(const std::list<ObjectPtr>& theObjects, const Events_ID& theEvent,
194 const bool isGroupped = true) const = 0;
195 /// creates deleted message and sends to the loop
196 virtual void sendDeleted(const std::shared_ptr<ModelAPI_Document>& theDoc,
197 const std::string& theGroup) const = 0;
198 /// creates reordered message and sends to the loop
199 virtual void sendReordered(const std::shared_ptr<ModelAPI_Feature>& theReordered) const = 0;
201 /// returns the creator instance
202 static const ModelAPI_EventCreator* get();
204 /// sets the creator instance
205 static void set(const ModelAPI_EventCreator* theCreator);
208 /// Contains the state information about the feature: is it enabled or disabled.
209 class ModelAPI_FeatureStateMessage : public Events_Message
212 /// Creates an empty message
213 MODELAPI_EXPORT ModelAPI_FeatureStateMessage(const Events_ID theID, const void* theSender = 0);
214 /// The virtual destructor
215 MODELAPI_EXPORT virtual ~ModelAPI_FeatureStateMessage();
217 /// Returns the feature this message is related to
218 MODELAPI_EXPORT std::shared_ptr<ModelAPI_Feature> feature() const;
219 /// Stores the feature this message is related to
220 MODELAPI_EXPORT void setFeature(std::shared_ptr<ModelAPI_Feature>& theFeature);
222 /// Returns true if feature has specific state
223 MODELAPI_EXPORT bool hasState(const std::string& theFeatureId) const;
224 /// Returns true if feature is enabled
225 MODELAPI_EXPORT bool state(const std::string& theFeatureId, bool theDefault = false) const;
226 /// Stores the feature state
227 MODELAPI_EXPORT void setState(const std::string& theFeatureId, bool theValue);
228 /// Returns all feature IDs with states
229 MODELAPI_EXPORT std::list<std::string> features() const;
233 std::shared_ptr<ModelAPI_Feature> myCurrentFeature;
235 std::map<std::string, bool> myFeatureState;
238 /// Message that document (Part, PartSet) was created
239 class ModelAPI_DocumentCreatedMessage : public Events_Message
241 DocumentPtr myDocument;
244 /// Creates an empty message
245 MODELAPI_EXPORT ModelAPI_DocumentCreatedMessage(const Events_ID theID, const void* theSender = 0);
246 /// The virtual destructor
247 MODELAPI_EXPORT virtual ~ModelAPI_DocumentCreatedMessage();
248 /// Static. Returns EventID of the message.
249 MODELAPI_EXPORT static Events_ID eventId()
251 static const char * MY_DOCUMENT_CREATED_EVENT_ID("DocumentCreated");
252 return Events_Loop::eventByName(MY_DOCUMENT_CREATED_EVENT_ID);
255 /// Returns a document stored in the message
256 MODELAPI_EXPORT DocumentPtr document() const;
257 /// Sets a document to the message
258 MODELAPI_EXPORT void setDocument(DocumentPtr theDocument);
261 /// Message that attribute text should be evaluated in the attribute value
262 class ModelAPI_AttributeEvalMessage : public Events_Message
264 AttributePtr myAttribute;
267 /// Static. Returns EventID of the message.
268 MODELAPI_EXPORT static Events_ID& eventId()
270 static const char * MY_ATTRIBUTE_EVALUATION_EVENT_ID("AttributeEvaluationRequest");
271 static Events_ID anId = Events_Loop::eventByName(MY_ATTRIBUTE_EVALUATION_EVENT_ID);
275 /// Useful method that creates and sends the AttributeEvalMessage event
276 MODELAPI_EXPORT static void send(AttributePtr theAttribute, const void* theSender)
278 std::shared_ptr<ModelAPI_AttributeEvalMessage> aMessage =
279 std::shared_ptr<ModelAPI_AttributeEvalMessage>(
280 new ModelAPI_AttributeEvalMessage(eventId(), theSender));
281 aMessage->setAttribute(theAttribute);
282 Events_Loop::loop()->send(aMessage);
285 /// Creates an empty message
286 MODELAPI_EXPORT ModelAPI_AttributeEvalMessage(const Events_ID theID, const void* theSender = 0);
287 /// The virtual destructor
288 MODELAPI_EXPORT virtual ~ModelAPI_AttributeEvalMessage();
290 /// Returns a document stored in the message
291 MODELAPI_EXPORT AttributePtr attribute() const;
292 /// Sets an attribute to the message
293 MODELAPI_EXPORT void setAttribute(AttributePtr theAttribute);
296 /// Message that parameter feature expression should be evaluated: value and error producing
297 class ModelAPI_ParameterEvalMessage : public Events_Message
299 FeaturePtr myParam; ///< parameters that should be evaluated
300 bool myIsProcessed; ///< true if results were set
301 /// result of processing, list of parameters in expression found
302 std::list<std::shared_ptr<ModelAPI_ResultParameter> > myParamsList;
303 double myResult; ///< result of processing, the computed value of the expression
304 std::string myError; ///< error of processing, empty if there is no error
307 /// Static. Returns EventID of the message.
308 MODELAPI_EXPORT static Events_ID& eventId()
310 static const char * MY_PARAMETER_EVALUATION_EVENT_ID("ParameterEvaluationRequest");
311 static Events_ID anId = Events_Loop::eventByName(MY_PARAMETER_EVALUATION_EVENT_ID);
315 /// Useful method that creates and sends the event.
316 /// Returns the message, processed, with the resulting fields filled.
317 MODELAPI_EXPORT static std::shared_ptr<ModelAPI_ParameterEvalMessage>
318 send(FeaturePtr theParameter, const void* theSender)
320 std::shared_ptr<ModelAPI_ParameterEvalMessage> aMessage =
321 std::shared_ptr<ModelAPI_ParameterEvalMessage>(
322 new ModelAPI_ParameterEvalMessage(eventId(), theSender));
323 aMessage->setParameter(theParameter);
324 Events_Loop::loop()->send(aMessage);
328 /// Creates an empty message
329 MODELAPI_EXPORT ModelAPI_ParameterEvalMessage(const Events_ID theID, const void* theSender = 0);
330 /// The virtual destructor
331 MODELAPI_EXPORT virtual ~ModelAPI_ParameterEvalMessage();
333 /// Returns a parameter stored in the message
334 MODELAPI_EXPORT FeaturePtr parameter() const;
335 /// Sets a parameter to the message
336 MODELAPI_EXPORT void setParameter(FeaturePtr theParam);
337 /// Sets the results of processing
338 MODELAPI_EXPORT void setResults(
339 const std::list<std::shared_ptr<ModelAPI_ResultParameter> >& theParamsList,
340 const double theResult, const std::string& theError);
341 /// Returns true if the expression is processed
342 MODELAPI_EXPORT bool isProcessed();
343 /// Returns the results of processing: list of parameters found in the expression
344 MODELAPI_EXPORT const std::list<std::shared_ptr<ModelAPI_ResultParameter> >& params() const;
345 /// Returns the expression result
346 MODELAPI_EXPORT const double& result() const;
347 /// Returns the interpreter error (empty if no error)
348 MODELAPI_EXPORT const std::string& error() const;
352 /// Message to ask compute the positions of parameters in the expression
353 class ModelAPI_ComputePositionsMessage : public Events_Message
355 std::string myExpression; ///< the expression string
356 std::string myParamName; ///< name of the parameter to be searched
357 std::list<std::pair<int, int> > myPositions; ///< computation result: start-end position indices
360 /// Static. Returns EventID of the message.
361 MODELAPI_EXPORT static Events_ID& eventId()
363 static const char * MY_COMPUTE_POSITIOND_EVENT_ID("ComputePositionsRequest");
364 static Events_ID anId = Events_Loop::eventByName(MY_COMPUTE_POSITIOND_EVENT_ID);
368 /// Useful method that creates and sends the AttributeEvalMessage event
369 /// Returns the message, processed, with the resulting fields filled
370 MODELAPI_EXPORT static std::shared_ptr<ModelAPI_ComputePositionsMessage>
371 send(const std::string& theExpression, const std::string& theParameter, const void* theSender)
373 std::shared_ptr<ModelAPI_ComputePositionsMessage> aMessage =
374 std::shared_ptr<ModelAPI_ComputePositionsMessage>(
375 new ModelAPI_ComputePositionsMessage(eventId(), theSender));
376 aMessage->set(theExpression, theParameter);
377 Events_Loop::loop()->send(aMessage);
381 /// Creates an empty message
382 MODELAPI_EXPORT ModelAPI_ComputePositionsMessage(
383 const Events_ID theID, const void* theSender = 0);
384 /// The virtual destructor
385 MODELAPI_EXPORT virtual ~ModelAPI_ComputePositionsMessage();
387 /// Returns an expression stored in the message
388 MODELAPI_EXPORT const std::string& expression() const;
389 /// Returns a parameter name stored in the message
390 MODELAPI_EXPORT const std::string& parameter() const;
391 /// Sets an expression and parameter needed for computation
392 MODELAPI_EXPORT void set(const std::string& theExpression, const std::string& theParameter);
393 /// Sets the results of processing
394 MODELAPI_EXPORT void setPositions(const std::list<std::pair<int, int> >& thePositions);
395 /// Returns the results of processing: position start and end indices
396 MODELAPI_EXPORT const std::list<std::pair<int, int> >& positions() const;
399 /// Message that the object is renamed
400 class ModelAPI_ObjectRenamedMessage : public Events_Message
403 std::string myOldName;
404 std::string myNewName;
407 /// Static. Returns EventID of the message.
408 MODELAPI_EXPORT static Events_ID& eventId()
410 static const char * MY_OBJECT_RENAMED_EVENT_ID("ObjectRenamed");
411 static Events_ID anId = Events_Loop::eventByName(MY_OBJECT_RENAMED_EVENT_ID);
415 /// Useful method that creates and sends the AttributeEvalMessage event
416 MODELAPI_EXPORT static void send(ObjectPtr theObject,
417 const std::string& theOldName,
418 const std::string& theNewName,
419 const void* theSender);
421 /// Creates an empty message
422 MODELAPI_EXPORT ModelAPI_ObjectRenamedMessage(const Events_ID theID, const void* theSender = 0);
423 /// The virtual destructor
424 MODELAPI_EXPORT virtual ~ModelAPI_ObjectRenamedMessage();
426 /// Returns an object
427 MODELAPI_EXPORT ObjectPtr object() const;
429 MODELAPI_EXPORT void setObject(ObjectPtr theObject);
430 /// Returns an old name
431 MODELAPI_EXPORT std::string oldName() const;
433 MODELAPI_EXPORT void setOldName(const std::string& theOldName);
434 /// Returns a new name
435 MODELAPI_EXPORT std::string newName() const;
437 MODELAPI_EXPORT void setNewName(const std::string& theNewName);
440 /// Message that the parameter should be replaced with its value
441 class ModelAPI_ReplaceParameterMessage : public Events_Message
446 /// Static. Returns EventID of the message.
447 MODELAPI_EXPORT static Events_ID& eventId()
449 static const char * MY_EVENT_ID("ReplaceParameter");
450 static Events_ID anId = Events_Loop::eventByName(MY_EVENT_ID);
454 /// Useful method that creates and sends the AttributeEvalMessage event
455 MODELAPI_EXPORT static void send(ObjectPtr theObject,
456 const void* theSender);
458 /// Creates an empty message
460 ModelAPI_ReplaceParameterMessage(const Events_ID theID, const void* theSender = 0);
461 /// The virtual destructor
462 MODELAPI_EXPORT virtual ~ModelAPI_ReplaceParameterMessage();
464 /// Returns an object
465 MODELAPI_EXPORT ObjectPtr object() const;
467 MODELAPI_EXPORT void setObject(ObjectPtr theObject);
470 /// Message that sends the sketch solver and sketcher GUI processes to show in the property panel
471 class ModelAPI_SolverFailedMessage : public Events_Message
474 /// Creates an message
475 MODELAPI_EXPORT ModelAPI_SolverFailedMessage(const Events_ID theID, const void* theSender = 0);
476 /// Default destructor
477 MODELAPI_EXPORT virtual ~ModelAPI_SolverFailedMessage();
479 /// Sets list of conflicting constraints
480 MODELAPI_EXPORT void setObjects(const std::set<ObjectPtr>& theObjects);
481 /// Returns list of conflicting constraints
482 MODELAPI_EXPORT const std::set<ObjectPtr>& objects() const;
484 /// Sets degrees of freedom
485 void dof(const int theDOF) { myDOF = theDOF; }
486 /// Returns degrees of freedom
487 const int& dof() const { return myDOF; }
490 std::set<ObjectPtr> myObjects;
494 /// Message sent when feature or attribute has been moved.
495 /// Stores the moving object/attribute, original and new positions of mouse.
496 class ModelAPI_ObjectMovedMessage : public Events_Message
498 ObjectPtr myMovedObject;
499 AttributePtr myMovedAttribute;
500 int myMovedPointIndex;
502 std::shared_ptr<GeomAPI_Pnt2d> myOriginalPosition;
503 std::shared_ptr<GeomAPI_Pnt2d> myCurrentPosition;
506 MODELAPI_EXPORT ModelAPI_ObjectMovedMessage(const void* theSender = 0);
508 /// Set object which is being moved (if the message already contains attribute it will be cleared)
509 MODELAPI_EXPORT void setMovedObject(const ObjectPtr& theMovedObject);
510 /// Set attribute which is being moved (if the message already contains object it will be cleared)
511 /// \param[in] theMovedAttribute moved attribute
512 /// \param[in] thePointIndex index of the point if the moved attribute is an array of points
513 MODELAPI_EXPORT void setMovedAttribute(const AttributePtr& theMovedAttribute,
514 const int thePointIndex = -1);
516 /// Return moved object
517 ObjectPtr movedObject() const
518 { return myMovedObject; }
519 /// Return moved attribute
520 AttributePtr movedAttribute() const
521 { return myMovedAttribute; }
522 /// Return index of the moved point
523 int movedPointIndex() const
524 { return myMovedPointIndex; }
526 /// Set original mouse position
527 MODELAPI_EXPORT void setOriginalPosition(double theX, double theY);
528 /// Set original mouse position
529 MODELAPI_EXPORT void setOriginalPosition(const std::shared_ptr<GeomAPI_Pnt2d>& thePoint);
530 /// Return original mouse position
531 const std::shared_ptr<GeomAPI_Pnt2d>& originalPosition() const
532 { return myOriginalPosition; }
534 /// Set current mouse position
535 MODELAPI_EXPORT void setCurrentPosition(double theX, double theY);
536 /// Set current mouse position
537 MODELAPI_EXPORT void setCurrentPosition(const std::shared_ptr<GeomAPI_Pnt2d>& thePoint);
538 /// Return current mouse position
539 const std::shared_ptr<GeomAPI_Pnt2d>& currentPosition() const
540 { return myCurrentPosition; }