src/Model/Model_AttributeReference.cpp

   1 // File:        ModelAPI_AttributeReference.cxx
   2 // Created:     2 Apr 2014
   3 // Author:      Mikhail PONIKAROV
   4
   5 #include "Model_AttributeReference.h"
   6 #include "Model_Application.h"
   7 #include "Model_Events.h"
   8 #include "Model_Data.h"
   9 #include <ModelAPI_Feature.h>
  10
  11 using namespace std;
  12
  13 void Model_AttributeReference::setValue(ObjectPtr theObject)
  14 {
  15   if(!theObject)
  16     return;
  17   if (!myIsInitialized || value() != theObject) {
  18     boost::shared_ptr<Model_Data> aData = boost::dynamic_pointer_cast<Model_Data>(
  19         theObject->data());
  20
  21     boost::shared_ptr<Model_Document> aDoc =
  22       boost::dynamic_pointer_cast<Model_Document>(owner()->document());
  23     if (aDoc) aDoc->objectIsNotReferenced(aDoc->object(myRef->Label()));
  24     myRef->Set(aData->label().Father());  // references to the feature label
  25     boost::shared_dynamic_cast<Model_Document>(owner()->document())->objectIsReferenced(theObject);
  26
  27     owner()->data()->sendAttributeUpdated(this);
  28   }
  29 }
  30
  31 ObjectPtr Model_AttributeReference::value()
  32 {
  33   if (myIsInitialized) {
  34     boost::shared_ptr<Model_Document> aDoc = boost::dynamic_pointer_cast<Model_Document>(
  35         owner()->document());
  36     if (aDoc) {
  37       TDF_Label aRefLab = myRef->Get();
  38       return aDoc->object(aRefLab);
  39     }
  40   }
  41   // not initialized
  42   return FeaturePtr();
  43 }
  44
  45 Model_AttributeReference::Model_AttributeReference(TDF_Label& theLabel)
  46 {
  47   myIsInitialized = theLabel.FindAttribute(TDF_Reference::GetID(), myRef) == Standard_True;
  48   if (!myIsInitialized) {
  49     myRef = TDF_Reference::Set(theLabel, theLabel);  // not initialized references to itself
  50   } else {
  51     boost::shared_ptr<Model_Document> aDoc =
  52       boost::dynamic_pointer_cast<Model_Document>(owner()->document());
  53     if (aDoc) aDoc->objectIsReferenced(aDoc->object(myRef->Label()));
  54   }
  55 }
  56
  57 Model_AttributeReference::~Model_AttributeReference()
  58 {
  59   boost::shared_ptr<Model_Document> aDoc =
  60     boost::dynamic_pointer_cast<Model_Document>(owner()->document());
  61   if (aDoc) aDoc->objectIsNotReferenced(aDoc->object(myRef->Label()));
  62 }