Avoid crash on using of wrong folder as a model for opening

[modules/shaper.git] / src / Model / Model_AttributeRefList.h

diff --git a/src/Model/Model_AttributeRefList.h b/src/Model/Model_AttributeRefList.h
index 87525753e1cab74ef7dba352a2fcdedc1937a280..e92f5eae312dc2f6b08dbee10b8e09a91b97cad2 100644 (file)
--- a/src/Model/Model_AttributeRefList.h
+++ b/src/Model/Model_AttributeRefList.h
@@ -1,3 +1,5 @@
+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
+
 // File:        Model_AttributeRefList.h
 // Created:     8 May 2014
 // Author:      Mikhail PONIKAROV
@@ -14,12 +16,13 @@
 /**\class Model_AttributeRefList
  * \ingroup DataModel
  * \brief Attribute that contains list of references to features (located in the same document).
+ * For the current moment it does not support references to objects in other documents.
  */
 
 class Model_AttributeRefList : public ModelAPI_AttributeRefList
 {
-  Handle_TDataStd_ReferenceList myRef; ///< references to the features labels
-public:
+  Handle_TDataStd_ReferenceList myRef;  ///< references to the features labels
+ public:
   /// Appends the feature to the end of a list
   MODEL_EXPORT virtual void append(ObjectPtr theObject);
 
@@ -27,12 +30,35 @@ public:
   MODEL_EXPORT virtual void remove(ObjectPtr theObject);
 
   /// Returns number of features in the list
-  MODEL_EXPORT virtual int size();
+  ///\param theWithEmpty if it is false, returns the number of not-empty referenced objects
+  MODEL_EXPORT virtual int size(const bool theWithEmpty = true) const;
+
+  /// Removes all references from the list
+  MODEL_EXPORT virtual void clear();
+
+  /// Returns the list of features
+  MODEL_EXPORT virtual std::list<ObjectPtr> list();
+
+  /// Returns true if the object is in list
+  MODEL_EXPORT virtual bool isInList(const ObjectPtr& theObj);
 
   /// Returns the list of features
-  MODEL_EXPORT virtual std::list<ObjectPtr > list();
+  ///\param theIndex zero-based index in the list
+  ///\param theWithEmpty if it is false, counts the not-empty referenced objects only
+  MODEL_EXPORT virtual ObjectPtr object(const int theIndex, const bool theWithEmpty = true) const;
+
+  /// Substitutes the feature by another one. Does nothing if such object is not found.
+  MODEL_EXPORT virtual void substitute(const ObjectPtr& theCurrent, const ObjectPtr& theNew);
+
+  /// Substitutes the object by another one and back. So, features will become exchanged in the list
+  MODEL_EXPORT virtual void exchange(const ObjectPtr& theObject1, const ObjectPtr& theObject2);
+
+  /// Removes the last element in the list.
+  MODEL_EXPORT virtual void removeLast();
 
-protected:
+  /// Returns true if attribute was  initialized by some value
+  MODEL_EXPORT virtual bool isInitialized();
+ protected:
   /// Objects are created for features automatically
   MODEL_EXPORT Model_AttributeRefList(TDF_Label& theLabel);