// Created: 2 Apr 2014
// Author: Mikhail PONIKAROV
-#ifndef ModelAPI_Attribute_HeaderFile
-#define ModelAPI_Attribute_HeaderFile
+#ifndef ModelAPI_Attribute_H_
+#define ModelAPI_Attribute_H_
#include "ModelAPI.h"
#include <string>
+#include <boost/shared_ptr.hpp>
+
+class ModelAPI_Object;
/**\class ModelAPI_Attribute
* \ingroup DataModel
* \brief Generic attribute of the Object.
*/
-
-class MODELAPI_EXPORT ModelAPI_Attribute
+class ModelAPI_Attribute
{
-public:
-
+ ///< needed here to emit signal that feature changed on change of the attribute
+ boost::shared_ptr<ModelAPI_Object> myObject;
+ protected:
+ // accessible from the attributes
+ bool myIsInitialized;
+ bool myIsArgument;
+ bool myIsImmutable;
+
+ public:
+
/// Returns the type of this class of attributes, not static method
- virtual std::string attributeType() = 0;
+ MODELAPI_EXPORT virtual std::string attributeType() = 0;
+
+ /// To virtually destroy the fields of successors
+ MODELAPI_EXPORT virtual ~ModelAPI_Attribute()
+ {
+ }
+
+ /// Sets the owner of this attribute
+ MODELAPI_EXPORT virtual void setObject(const boost::shared_ptr<ModelAPI_Object>& theObject)
+ {
+ myObject = theObject;
+ }
+
+ /// Returns the owner of this attribute
+ MODELAPI_EXPORT const boost::shared_ptr<ModelAPI_Object>& owner() const
+ {
+ return myObject;
+ }
+
+ /// Returns true if attribute was initialized by some value
+ MODELAPI_EXPORT bool isInitialized()
+ {
+ return myIsInitialized;
+ }
-protected:
+ /// Makes attribute initialized
+ MODELAPI_EXPORT void setInitialized()
+ {
+ myIsInitialized = true;
+ }
+
+ /// Set this attribute is argument for result (change of this attribute requires update of result).
+ /// By default it is true.
+ MODELAPI_EXPORT void setIsArgument(const bool theFlag)
+ {
+ myIsArgument = theFlag;
+ }
+
+ /// Returns true if attribute causes the result change
+ MODELAPI_EXPORT bool isArgument()
+ {
+ return myIsArgument;
+ }
+
+ /// Immutable argument can not be changed programaticaly (e.g. by constraint)
+ /// By default it is false.
+ /// Returns the previous state of the attribute's immutability.
+ MODELAPI_EXPORT bool setImmutable(const bool theFlag)
+ {
+ bool aResult = myIsImmutable;
+ myIsImmutable = theFlag;
+ return aResult;
+ }
+
+ /// Returns true if can not be changed programaticaly
+ MODELAPI_EXPORT bool isImmutable()
+ {
+ return myIsImmutable;
+ }
+
+ protected:
/// Objects are created for features automatically
ModelAPI_Attribute()
- {}
+ {
+ myIsInitialized = false;
+ myIsArgument = true;
+ myIsImmutable = false;
+ }
+
};
+//! Pointer on attribute object
+typedef boost::shared_ptr<ModelAPI_Attribute> AttributePtr;
+
#endif
