1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
3 // File: ParametersPlugin_Parameter.cpp
4 // Created: 23 MArch 2015
9 #include "ParametersPlugin_Parameter.h"
11 #include <ModelAPI_AttributeString.h>
12 #include <ModelAPI_ResultParameter.h>
13 #include <ModelAPI_AttributeDouble.h>
14 #include <ModelAPI_AttributeRefList.h>
15 #include <ModelAPI_Tools.h>
16 #include <ModelAPI_Session.h>
17 #include <ModelAPI_Validator.h>
18 #include <ModelAPI_Events.h>
23 ParametersPlugin_Parameter::ParametersPlugin_Parameter()
27 ParametersPlugin_Parameter::~ParametersPlugin_Parameter()
31 void ParametersPlugin_Parameter::initAttributes()
33 data()->addAttribute(VARIABLE_ID(), ModelAPI_AttributeString::typeId());
34 data()->addAttribute(EXPRESSION_ID(), ModelAPI_AttributeString::typeId());
36 data()->addAttribute(COMMENT_ID(), ModelAPI_AttributeString::typeId());
37 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), COMMENT_ID());
39 data()->addAttribute(EXPRESSION_ERROR_ID(), ModelAPI_AttributeString::typeId());
40 data()->string(EXPRESSION_ERROR_ID())->setIsArgument(false);
41 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXPRESSION_ERROR_ID());
43 data()->addAttribute(ARGUMENTS_ID(), ModelAPI_AttributeRefList::typeId());
44 data()->reflist(ARGUMENTS_ID())->setIsArgument(false);
45 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), ARGUMENTS_ID());
48 bool ParametersPlugin_Parameter::isInHistory()
53 void ParametersPlugin_Parameter::attributeChanged(const std::string& theID)
55 if (theID == EXPRESSION_ID())
58 data()->execState(ModelAPI_StateMustBeUpdated);
61 void ParametersPlugin_Parameter::updateName()
63 std::string aName = string(VARIABLE_ID())->value();
64 data()->setName(aName);
66 ResultParameterPtr aParam = document()->createParameter(data());
67 aParam->data()->setName(aName);
71 bool ParametersPlugin_Parameter::updateExpression()
73 std::string anExpression = string(EXPRESSION_ID())->value();
75 std::string outErrorMessage;
76 double aValue = evaluate(anExpression, outErrorMessage);
78 data()->string(EXPRESSION_ERROR_ID())->setValue(outErrorMessage);
79 if (!outErrorMessage.empty())
82 ResultParameterPtr aParam = document()->createParameter(data());
83 AttributeDoublePtr aValueAttribute = aParam->data()->real(ModelAPI_ResultParameter::VALUE());
84 aValueAttribute->setValue(aValue);
89 void ParametersPlugin_Parameter::execute()
92 if (!updateExpression())
93 setError("Expression error.", false);
96 double ParametersPlugin_Parameter::evaluate(const std::string& theExpression, std::string& theError)
98 FeaturePtr aMyPtr = std::dynamic_pointer_cast<ModelAPI_Feature>(data()->owner());
99 std::shared_ptr<ModelAPI_ParameterEvalMessage> aProcessMessage =
100 ModelAPI_ParameterEvalMessage::send(aMyPtr, this);
103 if (aProcessMessage->isProcessed()) {
104 const std::list<ResultParameterPtr>& aParamsList = aProcessMessage->params();
105 aResult = aProcessMessage->result();
106 theError = aProcessMessage->error();
107 // compare the list of parameters to store if changed
108 AttributeRefListPtr aParams = reflist(ARGUMENTS_ID());
109 bool aDifferent = aParams->size() != aParamsList.size();
111 std::list<ResultParameterPtr>::const_iterator aNewIter = aParamsList.begin();
112 std::list<ObjectPtr> anOldList = aParams->list();
113 std::list<ObjectPtr>::const_iterator anOldIter = anOldList.begin();
114 for(; !aDifferent && aNewIter != aParamsList.end(); aNewIter++, anOldIter++) {
115 if (*aNewIter != *anOldIter)
121 std::list<ResultParameterPtr>::const_iterator aNewIter = aParamsList.begin();
122 for(; aNewIter != aParamsList.end(); aNewIter++) {
123 aParams->append(*aNewIter);
126 } else { // error: python interpreter is not active
127 theError = "Python interpreter is not available";
132 bool ParametersPlugin_Parameter::isPreviewNeeded() const