+ data()->addAttribute(VARIABLE_ID(), ModelAPI_AttributeString::typeId());
+ data()->addAttribute(EXPRESSION_ID(), ModelAPI_AttributeString::typeId());
+
+ data()->addAttribute(COMMENT_ID(), ModelAPI_AttributeString::typeId());
+ ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), COMMENT_ID());
+
+ data()->addAttribute(EXPRESSION_ERROR_ID(), ModelAPI_AttributeString::typeId());
+ data()->string(EXPRESSION_ERROR_ID())->setIsArgument(false);
+ ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXPRESSION_ERROR_ID());
+
+ data()->addAttribute(ARGUMENTS_ID(), ModelAPI_AttributeRefList::typeId());
+ data()->reflist(ARGUMENTS_ID())->setIsArgument(false);
+ ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), ARGUMENTS_ID());
+}
+
+bool ParametersPlugin_Parameter::isInHistory()
+{
+ return false;
+}
+
+void ParametersPlugin_Parameter::attributeChanged(const std::string& theID)
+{
+ if (theID == EXPRESSION_ID())
+ updateExpression();
+
+ data()->execState(ModelAPI_StateMustBeUpdated);
+}
+
+void ParametersPlugin_Parameter::updateName()
+{
+ std::string aName = string(VARIABLE_ID())->value();
+ data()->setName(ModelAPI_Tools::toWString(aName));
+
+ ResultParameterPtr aParam = document()->createParameter(data());
+ std::string anOldName = ModelAPI_Tools::toString(aParam->data()->name());
+ aParam->data()->setName(ModelAPI_Tools::toWString(aName));
+ setResult(aParam);
+
+
+ // #2474 : if parameter name now hides/shows the higher level parameter name,
+ // update the depended expressions
+ DocumentPtr aRootDoc = ModelAPI_Session::get()->moduleDocument();
+ if (aParam->document() != aRootDoc) {
+ std::list<std::string> aNames; // collect names in the root document that must be checked
+ aNames.push_back(aName);
+ if (anOldName != aName) {
+ aNames.push_back(anOldName);
+ }
+ std::list<std::string>::iterator aNIter = aNames.begin();
+ for (; aNIter != aNames.end(); aNIter++) {
+ double aValue;
+ ResultParameterPtr aRootParam;
+ FeaturePtr aThis =
+ std::dynamic_pointer_cast<ModelAPI_Feature>(string(VARIABLE_ID())->owner());
+ if (ModelAPI_Tools::findVariable(aThis, *aNIter, aValue, aRootParam, aRootDoc)) {
+ std::set<std::shared_ptr<ModelAPI_Attribute> > anAttributes =
+ aRootParam->data()->refsToMe();
+ std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator anAttributeIt =
+ anAttributes.cbegin();
+ for (; anAttributeIt != anAttributes.cend(); ++anAttributeIt) {
+ const AttributePtr& anAttribute = *anAttributeIt;
+ ModelAPI_AttributeEvalMessage::send(anAttribute, NULL);
+ }
+ }
+ }
+ }
+}
+
+bool ParametersPlugin_Parameter::updateExpression()
+{
+ std::string anExpression = string(EXPRESSION_ID())->value();
+
+ std::string outErrorMessage;
+ double aValue = evaluate(anExpression, outErrorMessage);
+
+ data()->string(EXPRESSION_ERROR_ID())->setValue(outErrorMessage);
+ if (!outErrorMessage.empty())
+ return false;
+
+ ResultParameterPtr aParam = document()->createParameter(data());
+ AttributeDoublePtr aValueAttribute = aParam->data()->real(ModelAPI_ResultParameter::VALUE());
+ aValueAttribute->setValue(aValue);
+ setResult(aParam);
+
+ return true;