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());
37 data()->addAttribute(ARGUMENTS_ID(), ModelAPI_AttributeRefList::typeId());
38 data()->reflist(ARGUMENTS_ID())->setIsArgument(false);
39 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), ARGUMENTS_ID());
42 bool ParametersPlugin_Parameter::isInHistory()
47 void ParametersPlugin_Parameter::attributeChanged(const std::string& theID)
49 if (theID == EXPRESSION_ID())
53 void ParametersPlugin_Parameter::updateName()
55 std::string aName = string(VARIABLE_ID())->value();
56 data()->setName(aName);
58 ResultParameterPtr aParam = document()->createParameter(data());
59 aParam->data()->setName(aName);
63 void ParametersPlugin_Parameter::updateExpression()
65 std::string anExpression = string(EXPRESSION_ID())->value();
66 if(anExpression.empty()) {
67 // clear error/result if the expression is empty
71 std::string outErrorMessage;
72 double aValue = evaluate(anExpression, outErrorMessage);
73 std::ostringstream sstream;
75 std::string aParamValue = sstream.str();
77 if (!outErrorMessage.empty()) {
78 std::string aStateMsg("Error: " + outErrorMessage);
79 data()->execState(ModelAPI_StateExecFailed);
80 setError(aStateMsg, false);
82 static const std::string anEmptyMsg(""); // it is checked in the validator by the empty message
83 setError(anEmptyMsg, false);
84 data()->execState(ModelAPI_StateDone);
87 ResultParameterPtr aParam = document()->createParameter(data());
88 AttributeDoublePtr aValueAttribute = aParam->data()->real(ModelAPI_ResultParameter::VALUE());
89 aValueAttribute->setValue(aValue);
93 void ParametersPlugin_Parameter::execute()
99 double ParametersPlugin_Parameter::evaluate(const std::string& theExpression, std::string& theError)
101 std::list<std::string> anExprParams = myInterp->compile(theExpression);
102 // find expression's params in the model
103 std::list<std::string> aContext;
104 std::list<std::string>::iterator it = anExprParams.begin();
105 std::list<ResultParameterPtr> aParamsList;
106 for ( ; it != anExprParams.end(); it++) {
108 ResultParameterPtr aParamRes;
109 if (!ModelAPI_Tools::findVariable(*it, aValue, aParamRes, document())) continue;
110 aParamsList.push_back(aParamRes);
112 std::ostringstream sstream;
114 std::string aParamValue = sstream.str();
115 aContext.push_back(*it + "=" + aParamValue);
117 // compare the list of parameters to store if changed
118 AttributeRefListPtr aParams = reflist(ARGUMENTS_ID());
119 bool aDifferent = aParams->size() != aParamsList.size();
121 std::list<ResultParameterPtr>::iterator aNewIter = aParamsList.begin();
122 std::list<ObjectPtr> anOldList = aParams->list();
123 std::list<ObjectPtr>::iterator anOldIter = anOldList.begin();
124 for(; !aDifferent && aNewIter != aParamsList.end(); aNewIter++, anOldIter++) {
125 if (*aNewIter != *anOldIter)
131 std::list<ResultParameterPtr>::iterator aNewIter = aParamsList.begin();
132 for(; aNewIter != aParamsList.end(); aNewIter++) {
133 aParams->append(*aNewIter);
137 myInterp->extendLocalContext(aContext);
138 double result = myInterp->evaluate(theExpression, theError);
139 myInterp->clearLocalContext();
143 bool ParametersPlugin_Parameter::isPreviewNeeded() const