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"
10 #include <ParametersPlugin_PyInterp.h>
12 #include <ModelAPI_AttributeString.h>
13 #include <ModelAPI_ResultParameter.h>
14 #include <ModelAPI_AttributeDouble.h>
15 #include <ModelAPI_AttributeRefList.h>
16 #include <ModelAPI_Tools.h>
17 #include <ModelAPI_Session.h>
18 #include <ModelAPI_Validator.h>
23 ParametersPlugin_Parameter::ParametersPlugin_Parameter()
25 myInterp = std::shared_ptr<ParametersPlugin_PyInterp>(new ParametersPlugin_PyInterp());
26 myInterp->initialize();
29 ParametersPlugin_Parameter::~ParametersPlugin_Parameter()
33 void ParametersPlugin_Parameter::initAttributes()
35 data()->addAttribute(VARIABLE_ID(), ModelAPI_AttributeString::typeId());
36 data()->addAttribute(EXPRESSION_ID(), ModelAPI_AttributeString::typeId());
38 data()->addAttribute(EXPRESSION_ERROR_ID(), ModelAPI_AttributeString::typeId());
39 data()->string(EXPRESSION_ERROR_ID())->setIsArgument(false);
40 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXPRESSION_ERROR_ID());
42 data()->addAttribute(ARGUMENTS_ID(), ModelAPI_AttributeRefList::typeId());
43 data()->reflist(ARGUMENTS_ID())->setIsArgument(false);
44 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), ARGUMENTS_ID());
47 bool ParametersPlugin_Parameter::isInHistory()
52 void ParametersPlugin_Parameter::attributeChanged(const std::string& theID)
54 if (theID == EXPRESSION_ID())
57 data()->execState(ModelAPI_StateMustBeUpdated);
60 void ParametersPlugin_Parameter::updateName()
62 std::string aName = string(VARIABLE_ID())->value();
63 data()->setName(aName);
65 ResultParameterPtr aParam = document()->createParameter(data());
66 aParam->data()->setName(aName);
70 bool ParametersPlugin_Parameter::updateExpression()
72 std::string anExpression = string(EXPRESSION_ID())->value();
74 std::string outErrorMessage;
75 double aValue = evaluate(anExpression, outErrorMessage);
77 data()->string(EXPRESSION_ERROR_ID())->setValue(outErrorMessage);
78 if (!outErrorMessage.empty())
81 ResultParameterPtr aParam = document()->createParameter(data());
82 AttributeDoublePtr aValueAttribute = aParam->data()->real(ModelAPI_ResultParameter::VALUE());
83 aValueAttribute->setValue(aValue);
88 void ParametersPlugin_Parameter::execute()
91 if (!updateExpression())
92 setError("Expression error.", false);
95 double ParametersPlugin_Parameter::evaluate(const std::string& theExpression, std::string& theError)
97 std::list<std::string> anExprParams = myInterp->compile(theExpression);
98 // find expression's params in the model
99 std::list<std::string> aContext;
100 std::list<std::string>::iterator it = anExprParams.begin();
101 std::list<ResultParameterPtr> aParamsList;
102 for ( ; it != anExprParams.end(); it++) {
103 std::string& aVariableName = *it;
105 // Parameter with the same name should be searched in the parent document.
106 // For the PartSet assume that the parameter is absent.
107 // Currently there is no way to get parent document, so we get PartSet for all.
108 DocumentPtr aDocument = document();
109 if (data()->name() == aVariableName) {
110 if (aDocument == ModelAPI_Session::get()->moduleDocument())
112 aDocument = ModelAPI_Session::get()->moduleDocument();
116 ResultParameterPtr aParamRes;
117 if (!ModelAPI_Tools::findVariable(aVariableName, aValue, aParamRes, aDocument)) continue;
118 aParamsList.push_back(aParamRes);
120 std::ostringstream sstream;
122 std::string aParamValue = sstream.str();
123 aContext.push_back(*it + "=" + aParamValue);
125 // compare the list of parameters to store if changed
126 AttributeRefListPtr aParams = reflist(ARGUMENTS_ID());
127 bool aDifferent = aParams->size() != aParamsList.size();
129 std::list<ResultParameterPtr>::iterator aNewIter = aParamsList.begin();
130 std::list<ObjectPtr> anOldList = aParams->list();
131 std::list<ObjectPtr>::iterator anOldIter = anOldList.begin();
132 for(; !aDifferent && aNewIter != aParamsList.end(); aNewIter++, anOldIter++) {
133 if (*aNewIter != *anOldIter)
139 std::list<ResultParameterPtr>::iterator aNewIter = aParamsList.begin();
140 for(; aNewIter != aParamsList.end(); aNewIter++) {
141 aParams->append(*aNewIter);
145 myInterp->extendLocalContext(aContext);
146 double result = myInterp->evaluate(theExpression, theError);
147 myInterp->clearLocalContext();
151 bool ParametersPlugin_Parameter::isPreviewNeeded() const