1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
3 // File: ModelAPI_Feature.hxx
4 // Created: 21 Mar 2014
5 // Author: Mikhail PONIKAROV
7 #ifndef ModelAPI_Feature_H_
8 #define ModelAPI_Feature_H_
11 #include <ModelAPI_Object.h>
12 #include <ModelAPI_Data.h>
13 #include <ModelAPI_Document.h>
20 /**\class ModelAPI_Feature
22 * \brief Feature function that represents the particular functionality
23 * of this operation. Produces results by the arguments.
25 class ModelAPI_Feature : public ModelAPI_Object
27 ///< list of current results of this feature
28 std::list<std::shared_ptr<ModelAPI_Result> > myResults;
30 /// Returns the unique kind of a feature (like "Point")
31 virtual const std::string& getKind() = 0;
33 /// Returns the group identifier of all features
34 inline static std::string group()
36 static std::string MY_GROUP = "Features";
40 /// Returns document this feature belongs to
41 virtual std::shared_ptr<ModelAPI_Document> document() const
43 return ModelAPI_Object::document();
46 /// Returns the group identifier of this result
47 virtual std::string groupName()
52 /// Computes or recomputes the results
53 virtual void execute() = 0;
55 /// Computes the attribute value on the base of other attributes if the value can be computed
56 /// \param theAttributeId an attribute index to be computed
57 /// \return a boolean value about it is computed
58 virtual bool compute(const std::string& theAttributeId) { return false; };
60 /// Registers error during the execution, causes the ExecutionFailed state
61 virtual void setError(const std::string& theError) {
62 data()->setError(theError);
65 /// returns the current results of the feature
66 MODELAPI_EXPORT const std::list<std::shared_ptr<ModelAPI_Result> >& results();
67 /// returns the first result in the list or NULL reference
68 MODELAPI_EXPORT std::shared_ptr<ModelAPI_Result> firstResult();
69 /// returns the last result in the list or NULL reference
70 MODELAPI_EXPORT std::shared_ptr<ModelAPI_Result> lastResult();
71 /// sets the alone result
72 MODELAPI_EXPORT void setResult(const std::shared_ptr<ModelAPI_Result>& theResult);
73 /// sets the result by index (zero based), results before this must be set before
74 MODELAPI_EXPORT void setResult(const std::shared_ptr<ModelAPI_Result>& theResult,
76 /// removes the result from the feature
77 MODELAPI_EXPORT void removeResult(const std::shared_ptr<ModelAPI_Result>& theResult);
78 /// removes all results starting from the gived index (zero-based)
79 MODELAPI_EXPORT void removeResults(const int theSinceIndex);
80 /// removes all results from the feature
81 MODELAPI_EXPORT void eraseResults();
82 /// removes all fields from this feature: results, data, etc
83 MODELAPI_EXPORT virtual void erase();
85 /// Returns true if result is persistent (stored in document) and on undo-redo, save-open
86 /// it is not needed to recompute it.
87 virtual bool isPersistentResult() {return true;}
89 /// Returns true if this feature must not be created: this is just an action
90 /// that is not stored in the features history and data model (like "delete part").
91 virtual bool isAction()
96 /// Must return document where the new feature must be added to
97 /// By default it is null document: it is added to the document this method is called to
98 MODELAPI_EXPORT virtual std::shared_ptr<ModelAPI_Document> documentToAdd();
100 /// To virtually destroy the fields of successors
101 MODELAPI_EXPORT virtual ~ModelAPI_Feature();
103 /// Returns the feature by the object (result).
104 MODELAPI_EXPORT static std::shared_ptr<ModelAPI_Feature> feature(ObjectPtr theObject);
107 // Helper methods, aliases for data()->method()
108 // -----------------------------------------------------------------------------------------------
109 /// Returns the name stored in the attribute
110 inline std::string name()
112 return data()->name();
114 /// Returns the Boolean attribute by the identifier
115 inline std::shared_ptr<ModelAPI_AttributeBoolean> boolean(const std::string& theID)
117 return data()->boolean(theID);
119 /// Returns the document reference attribute
120 inline std::shared_ptr<ModelAPI_AttributeDocRef> document(const std::string& theID)
122 return data()->document(theID);
124 /// Returns the real attribute by the identifier
125 inline std::shared_ptr<ModelAPI_AttributeDouble> real(const std::string& theID)
127 return data()->real(theID);
129 /// Returns the integer attribute by the identifier
130 inline std::shared_ptr<ModelAPI_AttributeInteger> integer(const std::string& theID)
132 return data()->integer(theID);
134 /// Returns the reference attribute by the identifier
135 inline std::shared_ptr<ModelAPI_AttributeRefAttr> refattr(const std::string& theID)
137 return data()->refattr(theID);
139 /// Returns the reference attribute by the identifier
140 inline std::shared_ptr<ModelAPI_AttributeReference> reference(const std::string& theID)
142 return data()->reference(theID);
144 /// Returns the list of references attribute by the identifier
145 inline std::shared_ptr<ModelAPI_AttributeRefList> reflist(const std::string& theID)
147 return data()->reflist(theID);
149 /// Returns the shape selection attribute by the identifier
150 inline std::shared_ptr<ModelAPI_AttributeSelection> selection(const std::string& theID)
152 return data()->selection(theID);
154 /// Returns the list of shape selections attribute by the identifier
155 inline std::shared_ptr<ModelAPI_AttributeSelectionList> selectionList(const std::string& theID)
157 return data()->selectionList(theID);
159 /// Returns the string attribute by the identifier
160 inline std::shared_ptr<ModelAPI_AttributeString> string(const std::string& theID)
162 return data()->string(theID);
164 /// Returns the attribute by the identifier
165 inline std::shared_ptr<ModelAPI_Attribute> attribute(const std::string& theID)
167 return data()->attribute(theID);
169 // -----------------------------------------------------------------------------------------------
172 //! Pointer on feature object
173 typedef std::shared_ptr<ModelAPI_Feature> FeaturePtr;