1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
3 // File: ModelAPI_Attribute.h
5 // Author: Mikhail PONIKAROV
7 #ifndef ModelAPI_Attribute_H_
8 #define ModelAPI_Attribute_H_
14 class ModelAPI_Object;
16 /**\class ModelAPI_Attribute
18 * \brief Generic attribute of the Object.
20 class ModelAPI_Attribute
22 ///< needed here to emit signal that feature changed on change of the attribute
23 std::shared_ptr<ModelAPI_Object> myObject;
24 std::string myID; ///< identifier of this attribute in Data class
26 // accessible from the attributes
27 bool myIsInitialized; ///< is some value assigned to this attribute
28 bool mySetInitializedBlocked; ///< is initialized blocked
29 bool myIsArgument; ///< is this attribute used as an argument for execution
30 bool myIsImmutable; ///< is this attribute can be changed programmatically (e.g. by constraint)
34 /// Returns the type of this class of attributes, not static method
35 MODELAPI_EXPORT virtual std::string attributeType() = 0;
37 /// To virtually destroy the fields of successors
38 MODELAPI_EXPORT virtual ~ModelAPI_Attribute();
40 /// Sets the owner of this attribute
41 MODELAPI_EXPORT virtual void setObject(const std::shared_ptr<ModelAPI_Object>& theObject);
43 /// Returns the owner of this attribute
44 MODELAPI_EXPORT const std::shared_ptr<ModelAPI_Object>& owner() const;
46 /// Returns true if attribute was initialized by some value
47 MODELAPI_EXPORT virtual bool isInitialized();
49 /// Makes attribute initialized
50 MODELAPI_EXPORT void setInitialized();
52 /// Blocks sending "attribute updated" if theBlock is true
53 /// \param theBlock a block value
54 /// \return the previous block value
55 MODELAPI_EXPORT bool blockSetInitialized(const bool theBlock);
57 /// Set this attribute is argument for result
58 /// (change of this attribute requires update of result).
59 /// By default it is true.
60 MODELAPI_EXPORT void setIsArgument(const bool theFlag);
62 /// Returns true if attribute causes the result change
63 MODELAPI_EXPORT bool isArgument();
65 /// Immutable argument can not be changed programmatically (e.g. by constraint)
66 /// By default it is false.
67 /// Returns the previous state of the attribute's immutability.
68 MODELAPI_EXPORT bool setImmutable(const bool theFlag);
70 /// Returns true if can not be changed programmatically
71 MODELAPI_EXPORT bool isImmutable();
73 /// ID of the attribute in Data
74 MODELAPI_EXPORT const std::string& id() const;
77 /// Objects are created for features automatically
78 MODELAPI_EXPORT ModelAPI_Attribute();
80 /// Sets the ID of the attribute in Data (called from Data)
81 MODELAPI_EXPORT virtual void setID(const std::string theID);
83 /// Reinitializes the internal state of the attribute (may be needed on undo/redo, abort, etc)
84 MODELAPI_EXPORT virtual void reinit();
86 friend class Model_Data;
87 friend class Model_Objects;
90 //! Pointer on attribute object
91 typedef std::shared_ptr<ModelAPI_Attribute> AttributePtr;