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 (!myIsInitialized || value() != theObject) {
  16     boost::shared_ptr<Model_Data> aData = boost::dynamic_pointer_cast<Model_Data>(
  17         theObject->data());
  18     myRef->Set(aData->label().Father());  // references to the feature label
  19     owner()->data()->sendAttributeUpdated(this);
  20   }
  21 }
  22
  23 ObjectPtr Model_AttributeReference::value()
  24 {
  25   if (myIsInitialized) {
  26     boost::shared_ptr<Model_Document> aDoc = boost::dynamic_pointer_cast<Model_Document>(
  27         owner()->document());
  28     if (aDoc) {
  29       TDF_Label aRefLab = myRef->Get();
  30       return aDoc->object(aRefLab);
  31     }
  32   }
  33   // not initialized
  34   return FeaturePtr();
  35 }
  36
  37 Model_AttributeReference::Model_AttributeReference(TDF_Label& theLabel)
  38 {
  39   myIsInitialized = theLabel.FindAttribute(TDF_Reference::GetID(), myRef) == Standard_True;
  40   if (!myIsInitialized)
  41     myRef = TDF_Reference::Set(theLabel, theLabel);  // not initialized references to itself
  42 }