+ if (theAttribute->attributeType() != ModelAPI_AttributeRefAttr::typeId()) {
+ theError = "The attribute with the " + theAttribute->attributeType() + " type is not processed";
+ return false;
+ }
+
+ // there is a check whether the feature contains a point and a linear edge or two point values
+ std::string aParamA = theArguments.front();
+ SessionPtr aMgr = ModelAPI_Session::get();
+ ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
+
+ FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
+ AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
+ QList<FeaturePtr> aCoinsideLines;
+
+ bool isObject = aRefAttr->isObject();
+ ObjectPtr anObject = aRefAttr->object();
+ if (isObject && anObject) {
+ FeaturePtr aRefFea = ModelAPI_Feature::feature(anObject);
+ AttributeRefAttrPtr aOtherAttr = aFeature->data()->refattr(aParamA);
+ ObjectPtr aOtherObject = aOtherAttr->object();
+ // if the other attribute is not filled still, the result is true
+ if (!aOtherObject.get())
+ return true;
+ FeaturePtr aOtherFea = ModelAPI_Feature::feature(aOtherObject);
+
+ // check that both have coincidence
+ FeaturePtr aConstrFeature;
+ std::set<FeaturePtr> aCoinList;
+ const std::set<std::shared_ptr<ModelAPI_Attribute>>& aRefsList = aRefFea->data()->refsToMe();
+ std::set<std::shared_ptr<ModelAPI_Attribute>>::const_iterator aIt;
+ for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
+ std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
+ aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
+ if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
+ AttributeRefAttrPtr aRAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aAttr);
+ AttributePtr aAR = aRAttr->attr();
+ if (aAR->id() != SketchPlugin_Arc::CENTER_ID()) // ignore constraint to center of arc
+ aCoinList.insert(aConstrFeature);
+ PartSet_Tools::findCoincidences(aConstrFeature, aCoinsideLines,
+ SketchPlugin_ConstraintCoincidence::ENTITY_A());
+ PartSet_Tools::findCoincidences(aConstrFeature, aCoinsideLines,
+ SketchPlugin_ConstraintCoincidence::ENTITY_B());
+ }
+ }
+ // if there is no coincidence then it is not valid
+ if (aCoinList.size() > 0) {
+ QList<FeaturePtr>::const_iterator anIt = aCoinsideLines.begin(), aLast = aCoinsideLines.end();
+ bool aValid = false;
+ for (; anIt != aLast && !aValid; anIt++) {
+ aValid = *anIt == aOtherFea;
+ }
+ if (aValid)
+ return true;
+ }
+ }
+ theError = "There is no a common coincident point.";
+ return false;