1 // Copyright (C) 2014-2017 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or
18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
23 #include "ParametersPlugin_Parameter.h"
25 #include <ModelAPI_AttributeString.h>
26 #include <ModelAPI_ResultParameter.h>
27 #include <ModelAPI_AttributeDouble.h>
28 #include <ModelAPI_AttributeRefList.h>
29 #include <ModelAPI_Tools.h>
30 #include <ModelAPI_Session.h>
31 #include <ModelAPI_Validator.h>
32 #include <ModelAPI_Events.h>
37 ParametersPlugin_Parameter::ParametersPlugin_Parameter()
41 ParametersPlugin_Parameter::~ParametersPlugin_Parameter()
45 void ParametersPlugin_Parameter::initAttributes()
47 data()->addAttribute(VARIABLE_ID(), ModelAPI_AttributeString::typeId());
48 data()->addAttribute(EXPRESSION_ID(), ModelAPI_AttributeString::typeId());
50 data()->addAttribute(COMMENT_ID(), ModelAPI_AttributeString::typeId());
51 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), COMMENT_ID());
53 data()->addAttribute(EXPRESSION_ERROR_ID(), ModelAPI_AttributeString::typeId());
54 data()->string(EXPRESSION_ERROR_ID())->setIsArgument(false);
55 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXPRESSION_ERROR_ID());
57 data()->addAttribute(ARGUMENTS_ID(), ModelAPI_AttributeRefList::typeId());
58 data()->reflist(ARGUMENTS_ID())->setIsArgument(false);
59 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), ARGUMENTS_ID());
62 bool ParametersPlugin_Parameter::isInHistory()
67 void ParametersPlugin_Parameter::attributeChanged(const std::string& theID)
69 if (theID == EXPRESSION_ID())
72 data()->execState(ModelAPI_StateMustBeUpdated);
75 void ParametersPlugin_Parameter::updateName()
77 std::string aName = string(VARIABLE_ID())->value();
78 data()->setName(aName);
80 ResultParameterPtr aParam = document()->createParameter(data());
81 aParam->data()->setName(aName);
85 bool ParametersPlugin_Parameter::updateExpression()
87 std::string anExpression = string(EXPRESSION_ID())->value();
89 std::string outErrorMessage;
90 double aValue = evaluate(anExpression, outErrorMessage);
92 data()->string(EXPRESSION_ERROR_ID())->setValue(outErrorMessage);
93 if (!outErrorMessage.empty())
96 ResultParameterPtr aParam = document()->createParameter(data());
97 AttributeDoublePtr aValueAttribute = aParam->data()->real(ModelAPI_ResultParameter::VALUE());
98 aValueAttribute->setValue(aValue);
103 void ParametersPlugin_Parameter::execute()
106 if (!updateExpression())
107 setError("Expression error.", false);
110 double ParametersPlugin_Parameter::evaluate(const std::string& theExpression, std::string& theError)
112 FeaturePtr aMyPtr = std::dynamic_pointer_cast<ModelAPI_Feature>(data()->owner());
113 std::shared_ptr<ModelAPI_ParameterEvalMessage> aProcessMessage =
114 ModelAPI_ParameterEvalMessage::send(aMyPtr, this);
117 if (aProcessMessage->isProcessed()) {
118 const std::list<ResultParameterPtr>& aParamsList = aProcessMessage->params();
119 aResult = aProcessMessage->result();
120 theError = aProcessMessage->error();
121 // compare the list of parameters to store if changed
122 AttributeRefListPtr aParams = reflist(ARGUMENTS_ID());
123 bool aDifferent = aParams->size() != aParamsList.size();
125 std::list<ResultParameterPtr>::const_iterator aNewIter = aParamsList.begin();
126 std::list<ObjectPtr> anOldList = aParams->list();
127 std::list<ObjectPtr>::const_iterator anOldIter = anOldList.begin();
128 for(; !aDifferent && aNewIter != aParamsList.end(); aNewIter++, anOldIter++) {
129 if (*aNewIter != *anOldIter)
135 std::list<ResultParameterPtr>::const_iterator aNewIter = aParamsList.begin();
136 for(; aNewIter != aParamsList.end(); aNewIter++) {
137 aParams->append(*aNewIter);
140 } else { // error: python interpreter is not active
141 theError = "Python interpreter is not available";
146 bool ParametersPlugin_Parameter::isPreviewNeeded() const