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Task #3005 : To be able to create a group on a whole result
[modules/shaper.git] / src / ExchangePlugin / ExchangePlugin_ExportFeature.cpp
index a399b646ee9ac6108fad65f45bfc9896a973ec7e..bf677c743730ed28aecade2876c3acdfd2e9c675 100644 (file)
@@ -1,38 +1,69 @@
-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
-
-// File:    ExchangePlugin_ExportFeature.cpp
-// Created: May 14, 2015
-// Author:  Sergey POKHODENKO
+// Copyright (C) 2014-2019  CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
 
 #include <ExchangePlugin_ExportFeature.h>
 
-#include <ExchangePlugin_Tools.h>
+#include <algorithm>
+#include <iterator>
+#include <string>
+#ifdef _DEBUG
+#include <iostream>
+#include <ostream>
+#endif
+
+#include <Config_Common.h>
+#include <Config_PropManager.h>
 
 #include <GeomAlgoAPI_BREPExport.h>
 #include <GeomAlgoAPI_CompoundBuilder.h>
 #include <GeomAlgoAPI_IGESExport.h>
 #include <GeomAlgoAPI_STEPExport.h>
 #include <GeomAlgoAPI_Tools.h>
-
-#include <Config_Common.h>
-#include <Config_PropManager.h>
+#include <GeomAlgoAPI_XAOExport.h>
 
 #include <GeomAPI_Shape.h>
+#include <GeomAPI_ShapeExplorer.h>
 
 #include <ModelAPI_AttributeSelectionList.h>
 #include <ModelAPI_AttributeString.h>
+#include <ModelAPI_AttributeStringArray.h>
+#include <ModelAPI_AttributeIntArray.h>
+#include <ModelAPI_AttributeTables.h>
 #include <ModelAPI_Data.h>
 #include <ModelAPI_Document.h>
 #include <ModelAPI_Object.h>
 #include <ModelAPI_ResultBody.h>
+#include <ModelAPI_ResultPart.h>
+#include <ModelAPI_ResultGroup.h>
+#include <ModelAPI_ResultField.h>
+#include <ModelAPI_Session.h>
+#include <ModelAPI_Validator.h>
+#include <ModelAPI_Tools.h>
 
-#include <algorithm>
-#include <iterator>
-#include <string>
-#ifdef _DEBUG
-#include <iostream>
-#include <ostream>
-#endif
+#include <Events_InfoMessage.h>
+
+#include <XAO_Group.hxx>
+#include <XAO_Field.hxx>
+#include <XAO_Xao.hxx>
+#include <XAO_Geometry.hxx>
+
+#include <ExchangePlugin_Tools.h>
 
 ExchangePlugin_ExportFeature::ExchangePlugin_ExportFeature()
 {
@@ -44,21 +75,39 @@ ExchangePlugin_ExportFeature::~ExchangePlugin_ExportFeature()
 }
 
 /*
- * Returns the unique kind of a feature
+ * Request for initialization of data model of the feature: adding all attributes
  */
-const std::string& ExchangePlugin_ExportFeature::getKind()
+void ExchangePlugin_ExportFeature::initAttributes()
 {
-  return ExchangePlugin_ExportFeature::ID();
+  data()->addAttribute(ExchangePlugin_ExportFeature::EXPORT_TYPE_ID(),
+    ModelAPI_AttributeString::typeId());
+  data()->addAttribute(ExchangePlugin_ExportFeature::FILE_PATH_ID(),
+    ModelAPI_AttributeString::typeId());
+  data()->addAttribute(ExchangePlugin_ExportFeature::XAO_FILE_PATH_ID(),
+    ModelAPI_AttributeString::typeId());
+  data()->addAttribute(ExchangePlugin_ExportFeature::FILE_FORMAT_ID(),
+    ModelAPI_AttributeString::typeId());
+  data()->addAttribute(ExchangePlugin_ExportFeature::SELECTION_LIST_ID(),
+    ModelAPI_AttributeSelectionList::typeId());
+  data()->addAttribute(ExchangePlugin_ExportFeature::XAO_AUTHOR_ID(),
+    ModelAPI_AttributeString::typeId());
+  data()->addAttribute(ExchangePlugin_ExportFeature::XAO_GEOMETRY_NAME_ID(),
+    ModelAPI_AttributeString::typeId());
+
+  ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(),
+    ExchangePlugin_ExportFeature::XAO_FILE_PATH_ID());
+  ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(),
+    ExchangePlugin_ExportFeature::XAO_AUTHOR_ID());
+  ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(),
+    ExchangePlugin_ExportFeature::XAO_GEOMETRY_NAME_ID());
 }
 
-/*
- * Request for initialization of data model of the feature: adding all attributes
- */
-void ExchangePlugin_ExportFeature::initAttributes()
+void ExchangePlugin_ExportFeature::attributeChanged(const std::string& theID)
 {
-  data()->addAttribute(ExchangePlugin_ExportFeature::FILE_PATH_ID(), ModelAPI_AttributeString::typeId());
-  data()->addAttribute(ExchangePlugin_ExportFeature::FILE_FORMAT_ID(), ModelAPI_AttributeString::typeId());
-  data()->addAttribute(ExchangePlugin_ExportFeature::SELECTION_LIST_ID(), ModelAPI_AttributeSelectionList::typeId());
+  if (theID == XAO_FILE_PATH_ID()) {
+    string(ExchangePlugin_ExportFeature::FILE_PATH_ID())->setValue(
+      string(ExchangePlugin_ExportFeature::XAO_FILE_PATH_ID())->value());
+  }
 }
 
 /*
@@ -69,9 +118,6 @@ void ExchangePlugin_ExportFeature::execute()
   AttributeStringPtr aFormatAttr =
       this->string(ExchangePlugin_ExportFeature::FILE_FORMAT_ID());
   std::string aFormat = aFormatAttr->value();
-  // Format may be empty. In this case look at extension.
-//  if (aFormat.empty())
-//    return;
 
   AttributeStringPtr aFilePathAttr =
       this->string(ExchangePlugin_ExportFeature::FILE_PATH_ID());
@@ -79,31 +125,15 @@ void ExchangePlugin_ExportFeature::execute()
   if (aFilePath.empty())
     return;
 
-  AttributeSelectionListPtr aSelectionListAttr =
-      this->selectionList(ExchangePlugin_ExportFeature::SELECTION_LIST_ID());
-  std::list<std::shared_ptr<GeomAPI_Shape> > aShapes;
-  for (int i = 0, aSize = aSelectionListAttr->size(); i < aSize; ++i) {
-    AttributeSelectionPtr anAttrSelection = aSelectionListAttr->value(i);
-    std::shared_ptr<GeomAPI_Shape> aCurShape = anAttrSelection->value();
-    if (aCurShape.get() == NULL)
-      aCurShape = anAttrSelection->context()->shape();
-    if (aCurShape.get() != NULL)
-      aShapes.push_back(aCurShape);
-  }
-  std::shared_ptr<GeomAPI_Shape> aShape =
-      GeomAlgoAPI_CompoundBuilder::compound(aShapes);
-
-  exportFile(aFilePath, aFormat, aShape);
+  exportFile(aFilePath, aFormat);
 }
 
-bool ExchangePlugin_ExportFeature::exportFile(const std::string& theFileName,
-                                              const std::string& theFormat,
-                                              std::shared_ptr<GeomAPI_Shape> theShape)
+void ExchangePlugin_ExportFeature::exportFile(const std::string& theFileName,
+                                              const std::string& theFormat)
 {
-  // retrieve the file and plugin library names
   std::string aFormatName = theFormat;
 
-  if (theFormat.empty()) { // look at extension
+  if (aFormatName.empty()) { // get default format for the extension
     // ".brep" -> "BREP"
     std::string anExtension = GeomAlgoAPI_Tools::File_Tools::extension(theFileName);
     if (anExtension == "BREP" || anExtension == "BRP") {
@@ -117,25 +147,432 @@ bool ExchangePlugin_ExportFeature::exportFile(const std::string& theFileName,
     }
   }
 
+  if (aFormatName == "XAO") {
+    exportXAO(theFileName);
+    return;
+  }
+
+  // make shape for export from selected shapes
+  AttributeSelectionListPtr aSelectionListAttr =
+      this->selectionList(ExchangePlugin_ExportFeature::SELECTION_LIST_ID());
+  std::list<GeomShapePtr> aShapes;
+  for (int i = 0, aSize = aSelectionListAttr->size(); i < aSize; ++i) {
+    AttributeSelectionPtr anAttrSelection = aSelectionListAttr->value(i);
+    std::shared_ptr<GeomAPI_Shape> aCurShape = anAttrSelection->value();
+    if (aCurShape.get() == NULL)
+      aCurShape = anAttrSelection->context()->shape();
+    if (aCurShape.get() != NULL)
+      aShapes.push_back(aCurShape);
+  }
+
+  // Store compound if we have more than one shape.
+  std::shared_ptr<GeomAPI_Shape> aShape =
+    aShapes.size() == 1 ? aShapes.front() : GeomAlgoAPI_CompoundBuilder::compound(aShapes);
+
   // Perform the export
   std::string anError;
   bool aResult = false;
   if (aFormatName == "BREP") {
-    aResult = BREPExport(theFileName, aFormatName, theShape, anError);
+    aResult = BREPExport(theFileName, aFormatName, aShape, anError);
   } else if (aFormatName == "STEP") {
-    aResult = STEPExport(theFileName, aFormatName, theShape, anError);
+    aResult = STEPExport(theFileName, aFormatName, aShape, anError);
   } else if (aFormatName.substr(0, 4) == "IGES") {
-    aResult = IGESExport(theFileName, aFormatName, theShape, anError);
+    aResult = IGESExport(theFileName, aFormatName, aShape, anError);
+  } else {
+    anError = "Unsupported format: " + aFormatName;
+  }
+
+  if (!anError.empty()) {
+    setError("An error occurred while exporting " + theFileName + ": " + anError);
+    return;
+  }
+}
+
+/// Returns XAO string by the value from the table
+static std::string valToString(const ModelAPI_AttributeTables::Value& theVal,
+  const ModelAPI_AttributeTables::ValueType& theType) {
+  std::ostringstream aStr; // the resulting string value
+  switch(theType) {
+  case ModelAPI_AttributeTables::BOOLEAN:
+    aStr<<(theVal.myBool ? "true" : "false");
+    break;
+  case ModelAPI_AttributeTables::INTEGER:
+    aStr<<theVal.myInt;
+    break;
+  case ModelAPI_AttributeTables::DOUBLE:
+    aStr<<theVal.myDouble;
+    break;
+  case ModelAPI_AttributeTables::STRING:
+    aStr<<theVal.myStr;
+    break;
+  }
+  return aStr.str();
+}
+
+/// Returns true if something in selection is presented in the results list
+static bool isInResults(AttributeSelectionListPtr theSelection,
+                        const std::list<ResultPtr>& theResults,
+                        std::set<ResultPtr>& theCashedResults)
+{
+  // collect all results into a cashed set
+  if (theCashedResults.empty()) {
+    std::list<ResultPtr> aResults;
+    std::list<ResultPtr>::const_iterator aRes = theResults.cbegin();
+    for(; aRes != theResults.cend(); aRes++) {
+      if (theCashedResults.count(*aRes))
+        continue;
+      else
+        theCashedResults.insert(*aRes);
+      if ((*aRes)->groupName() == ModelAPI_ResultBody::group()) {
+        ResultBodyPtr aResBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aRes);
+        std::list<ResultPtr> aResults;
+        ModelAPI_Tools::allSubs(aResBody, aResults, false);
+        for(std::list<ResultPtr>::iterator aR = aResults.begin(); aR != aResults.end(); aR++) {
+          theCashedResults.insert(std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aR));
+        }
+      } else if ((*aRes)->groupName() == ModelAPI_ResultPart::group()) { // all results of the part
+        ResultPartPtr aResPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(*aRes);
+        DocumentPtr aPartDoc = aResPart->partDoc();
+        if (!aPartDoc.get() || !aPartDoc->isOpened()) { // document is not accessible
+          return false;
+        }
+        int aBodyCount = aPartDoc->size(ModelAPI_ResultBody::group());
+        for (int aBodyIndex = 0; aBodyIndex < aBodyCount; ++aBodyIndex) {
+          ResultBodyPtr aResBody =
+            std::dynamic_pointer_cast<ModelAPI_ResultBody>(
+              aPartDoc->object(ModelAPI_ResultBody::group(), aBodyIndex));
+          if (aResBody.get()) {
+            theCashedResults.insert(aResBody);
+            std::list<ResultPtr> aResults;
+            ModelAPI_Tools::allSubs(aResBody, aResults, false);
+            for(std::list<ResultPtr>::iterator aR = aResults.begin(); aR != aResults.end(); aR++) {
+              theCashedResults.insert(std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aR));
+            }
+          }
+        }
+      }
+    }
+  }
+  // if context is in results, return true
+  for(int a = 0; a < theSelection->size(); a++) {
+    AttributeSelectionPtr anAttr = theSelection->value(a);
+    ResultPtr aContext = anAttr->context();
+    // check is it group selected for groups BOP
+    if (aContext.get() && aContext->groupName() == ModelAPI_ResultGroup::group()) {
+      // it is impossible by used results check which result is used in this group result,
+      // so check the results shapes is it in results of this document or not
+      FeaturePtr aSelFeature =
+        std::dynamic_pointer_cast<ModelAPI_Feature>(theSelection->owner());
+      if (!aSelFeature.get() || aSelFeature->results().empty())
+        continue;
+      GeomShapePtr aGroupResShape = aSelFeature->firstResult()->shape();
+
+      std::set<ResultPtr>::iterator allResultsIter = theCashedResults.begin();
+      for(; allResultsIter != theCashedResults.end(); allResultsIter++) {
+        GeomShapePtr aResultShape = (*allResultsIter)->shape();
+
+        GeomAPI_Shape::ShapeType aType =
+          GeomAPI_Shape::shapeTypeByStr(theSelection->selectionType());
+        GeomAPI_ShapeExplorer aGroupResExp(aGroupResShape, aType);
+        for(; aGroupResExp.more(); aGroupResExp.next()) {
+          if (aResultShape->isSubShape(aGroupResExp.current(), false))
+            return true; // at least one shape of the group is in the used results
+        }
+      }
+    }
+    ResultBodyPtr aSelected = std::dynamic_pointer_cast<ModelAPI_ResultBody>(anAttr->context());
+    if (!aSelected.get()) { // try to get selected feature and all its results
+      FeaturePtr aContextFeature = anAttr->contextFeature();
+      if (aContextFeature.get() && !aContextFeature->results().empty()) {
+        const std::list<ResultPtr>& allResluts = aContextFeature->results();
+        std::list<ResultPtr>::const_iterator aResIter = allResluts.cbegin();
+        for(; aResIter != allResluts.cend(); aResIter++) {
+          if (aResIter->get() && theCashedResults.count(*aResIter))
+            return true;
+        }
+      }
+    } else if (aSelected.get() && theCashedResults.count(aSelected))
+      return true;
+  }
+  return false;
+}
+
+void ExchangePlugin_ExportFeature::exportXAO(const std::string& theFileName)
+{
+  try {
+
+  std::string anError;
+  XAO::Xao aXao;
+
+  // author
+
+  std::string anAuthor = string(ExchangePlugin_ExportFeature::XAO_AUTHOR_ID())->value();
+  aXao.setAuthor(anAuthor);
+
+  // make shape for export from all results
+  std::list<GeomShapePtr> aShapes;
+  std::list<ResultPtr> aResults;
+  std::list<DocumentPtr> aDocuments; /// documents of Parts selected and used in export
+
+  AttributeSelectionListPtr aSelection = selectionList(SELECTION_LIST_ID());
+  bool aIsSelection = aSelection->isInitialized() && aSelection->size() > 0;
+  if (aIsSelection) { // a mode for export to geom result by result
+    for(int a = 0; a < aSelection->size(); a++) {
+      AttributeSelectionPtr anAttr = aSelection->value(a);
+      ResultPtr aBodyContext =
+        std::dynamic_pointer_cast<ModelAPI_Result>(anAttr->context());
+      if (aBodyContext.get() && !aBodyContext->isDisabled() && aBodyContext->shape().get()) {
+        aResults.push_back(aBodyContext);
+        GeomShapePtr aShape = anAttr->value();
+        if (!aShape.get())
+          aShape = aBodyContext->shape();
+        aShapes.push_back(aShape);
+        if (aBodyContext->groupName() == ModelAPI_ResultPart::group()) {
+          ResultPartPtr aResPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aBodyContext);
+          DocumentPtr aPartDoc = aResPart->partDoc();
+          if (!aPartDoc.get() || !aPartDoc->isOpened()) { // document is not accessible
+            std::string msg = "Can not export XAO for not loaded part";
+            Events_InfoMessage("ExportFeature", msg, this).send();
+            return;
+          } else {
+            aDocuments.push_back(aPartDoc);
+          }
+        }
+      }
+    }
   } else {
-    anError = "Unsupported format " + aFormatName;
+    int aBodyCount = document()->size(ModelAPI_ResultBody::group());
+    for (int aBodyIndex = 0; aBodyIndex < aBodyCount; ++aBodyIndex) {
+      ResultBodyPtr aResultBody =
+          std::dynamic_pointer_cast<ModelAPI_ResultBody>(
+              document()->object(ModelAPI_ResultBody::group(), aBodyIndex));
+      if (!aResultBody.get())
+        continue;
+      aShapes.push_back(aResultBody->shape());
+      aResults.push_back(aResultBody);
+    }
+  }
+  if (aShapes.empty()) {
+    setError("No shapes to export");
+    return;
+  }
+
+
+  GeomShapePtr aShape = (aShapes.size() == 1)
+      ? *aShapes.begin()
+      : GeomAlgoAPI_CompoundBuilder::compound(aShapes);
+
+  SetShapeToXAO(aShape, &aXao, anError);
+
+  if (!anError.empty()) {
+    setError("An error occurred while exporting " + theFileName + ": " + anError);
+    return;
+  }
+
+  // geometry name
+  std::string aGeometryName = string(ExchangePlugin_ExportFeature::XAO_GEOMETRY_NAME_ID())->value();
+  if (aGeometryName.empty() && aResults.size() == 1) {
+    // get the name from the first result
+    ResultPtr aResultBody = *aResults.begin();
+    aGeometryName = aResultBody->data()->name();
   }
 
-  if (!aResult) {
-    std::string aShapeError =
-        "An error occurred while exporting " + theFileName + ": " + anError;
-    setError(aShapeError);
+  aXao.getGeometry()->setName(aGeometryName);
+
+  std::set<ResultPtr> allResultsCashed; // cash to speed up searching in all results selected
+
+  // iterate all documents used
+  if (aDocuments.empty())
+    aDocuments.push_back(document());
+  std::list<DocumentPtr>::iterator aDoc = aDocuments.begin();
+  for(; aDoc != aDocuments.end(); aDoc++) {
+    // groups
+    int aGroupCount = (*aDoc)->size(ModelAPI_ResultGroup::group());
+    for (int aGroupIndex = 0; aGroupIndex < aGroupCount; ++aGroupIndex) {
+      ResultGroupPtr aResultGroup = std::dynamic_pointer_cast<ModelAPI_ResultGroup>(
+          (*aDoc)->object(ModelAPI_ResultGroup::group(), aGroupIndex));
+      if (!aResultGroup.get() || !aResultGroup->shape().get())
+        continue;
+
+      FeaturePtr aGroupFeature = (*aDoc)->feature(aResultGroup);
+
+      AttributeSelectionListPtr aSelectionList =
+          aGroupFeature->selectionList("group_list");
+      if (!isInResults(aSelectionList, aResults, allResultsCashed))// skip group not used in result
+        continue;
+
+      // conversion of dimension
+      std::string aSelectionType = aSelectionList->selectionType();
+      GeomAPI_Shape::ShapeType aSelType = GeomAPI_Shape::shapeTypeByStr(aSelectionType);
+      std::string aDimensionString =
+        ExchangePlugin_Tools::selectionType2xaoDimension(aSelectionType);
+      XAO::Dimension aGroupDimension = XAO::XaoUtils::stringToDimension(aDimensionString);
+
+      XAO::Group* aXaoGroup = aXao.addGroup(aGroupDimension,
+                                            aResultGroup->data()->name());
+
+      try {
+        GeomAPI_ShapeExplorer aGroupResExplorer(aResultGroup->shape(), aSelType);
+        for(; aGroupResExplorer.more(); aGroupResExplorer.next()) {
+          int aReferenceID = GeomAlgoAPI_CompoundBuilder::id(aShape, aGroupResExplorer.current());
+          if (aReferenceID == 0) // selected value does not found in the exported shape
+            continue;
+          std::string aReferenceString = XAO::XaoUtils::intToString(aReferenceID);
+          int anElementID =
+            aXao.getGeometry()->getElementIndexByReference(aGroupDimension, aReferenceString);
+          aXaoGroup->add(anElementID);
+        }
+      } catch (XAO::XAO_Exception& e) {
+        // LCOV_EXCL_START
+        std::string msg = "An error occurred while exporting group " +
+          aResultGroup->data()->name();
+        msg += ".\n";
+        msg += e.what();
+        msg += "\n";
+        msg += "=> skipping this group from XAO export.";
+        Events_InfoMessage("ExportFeature", msg, this).send();
+        aXao.removeGroup(aXaoGroup);
+        // LCOV_EXCL_STOP
+      }
+    }
+
+    // fields
+    int aFieldCount = (*aDoc)->size(ModelAPI_ResultField::group());
+    for (int aFieldIndex = 0; aFieldIndex < aFieldCount; ++aFieldIndex) {
+      ResultFieldPtr aResultField = std::dynamic_pointer_cast<ModelAPI_ResultField>(
+        (*aDoc)->object(ModelAPI_ResultField::group(), aFieldIndex));
+
+      FeaturePtr aFieldFeature = (*aDoc)->feature(aResultField);
+
+      AttributeSelectionListPtr aSelectionList =
+          aFieldFeature->selectionList("selected");
+      std::string aSelectionType = aSelectionList->selectionType();
+      bool isWholePart = aSelectionType == "part";
+      // skip field not used in results
+      if (!isWholePart && !isInResults(aSelectionList, aResults, allResultsCashed))
+        continue;
+
+      // conversion of dimension
+      std::string aDimensionString =
+        ExchangePlugin_Tools::selectionType2xaoDimension(aSelectionType);
+      XAO::Dimension aFieldDimension = XAO::XaoUtils::stringToDimension(aDimensionString);
+      // get tables and their type
+      std::shared_ptr<ModelAPI_AttributeTables> aTables = aFieldFeature->tables("values");
+      std::string aTypeString = ExchangePlugin_Tools::valuesType2xaoType(aTables->type());
+      XAO::Type aFieldType = XAO::XaoUtils::stringToFieldType(aTypeString);
+
+      XAO::Field* aXaoField = aXao.addField(aFieldType, aFieldDimension, aTables->columns(),
+                                            aResultField->data()->name());
+
+
+      try {
+        // set components names
+        AttributeStringArrayPtr aComponents = aFieldFeature->stringArray("components_names");
+        for(int aComp = 0; aComp < aComponents->size(); aComp++) {
+          std::string aName = aComponents->value(aComp);
+          aXaoField->setComponentName(aComp, aName);
+        }
+
+        AttributeIntArrayPtr aStamps = aFieldFeature->intArray("stamps");
+        for (int aStepIndex = 0; aStepIndex < aTables->tables(); aStepIndex++) {
+          XAO::Step* aStep = aXaoField->addNewStep(aStepIndex + 1);
+          aStep->setStep(aStepIndex + 1);
+          int aStampIndex = aStamps->value(aStepIndex);
+          aStep->setStamp(aStampIndex);
+          int aNumElements = isWholePart ? aXaoField->countElements() : aTables->rows();
+          int aNumComps = aTables->columns();
+          std::set<int> aFilledIDs; // to fill the rest by defaults
+          // omit default values first row
+          for(int aRow = isWholePart ? 0 : 1; aRow < aNumElements; aRow++) {
+            for(int aCol = 0; aCol < aNumComps; aCol++) {
+              int anElementID = 0;
+              if (!isWholePart) {
+                // element index actually is the ID of the selection
+                AttributeSelectionPtr aSelection = aSelectionList->value(aRow - 1);
+                int aReferenceID = GeomAlgoAPI_CompoundBuilder::id(aShape, aSelection->value());
+                if (aReferenceID == 0) // selected value does not found in the exported shape
+                  continue;
+
+                std::string aReferenceString = XAO::XaoUtils::intToString(aReferenceID);
+                anElementID = aXao.getGeometry()->
+                  getElementIndexByReference(aFieldDimension, aReferenceString);
+              }
+
+              ModelAPI_AttributeTables::Value aVal = aTables->value(
+                isWholePart ? 0 : aRow, aCol, aStepIndex);
+              std::string aStrVal = valToString(aVal, aTables->type());
+              aStep->setStringValue(isWholePart ? aRow : anElementID, aCol, aStrVal);
+              aFilledIDs.insert(anElementID);
+            }
+          }
+          if (!isWholePart) { // fill the rest values by default ones
+            XAO::GeometricElementList::iterator allElem =
+              aXao.getGeometry()->begin(aFieldDimension);
+            for(; allElem != aXao.getGeometry()->end(aFieldDimension); allElem++) {
+              if (aFilledIDs.find(allElem->first) != aFilledIDs.end())
+                continue;
+              for(int aCol = 0; aCol < aNumComps; aCol++) {
+                // default value
+                ModelAPI_AttributeTables::Value aVal = aTables->value(0, aCol, aStepIndex);
+                std::string aStrVal = valToString(aVal, aTables->type());
+                aStep->setStringValue(allElem->first, aCol, aStrVal);
+              }
+            }
+          }
+        }
+      } catch (XAO::XAO_Exception& e) {
+        // LCOV_EXCL_START
+        std::string msg = "An error occurred while exporting field " +
+          aResultField->data()->name();
+        msg += ".\n";
+        msg += e.what();
+        msg += "\n";
+        msg += "=> skipping this field from XAO export.";
+        Events_InfoMessage("ExportFeature", msg, this).send();
+        aXao.removeField(aXaoField);
+        // LCOV_EXCL_STOP
+      }
+    }
+  }
+
+  // exporting
+  XAOExport(theFileName, &aXao, anError);
+
+  if (!anError.empty()) {
+    setError("An error occurred while exporting " + theFileName + ": " + anError);
+    return;
+  }
+
+// LCOV_EXCL_START
+  } catch (XAO::XAO_Exception& e) {
+    std::string anError = e.what();
+    setError("An error occurred while exporting " + theFileName + ": " + anError);
+    return;
+  }
+// LCOV_EXCL_STOP
+}
+
+bool ExchangePlugin_ExportFeature::isMacro() const
+{
+  if (!data().get() || !data()->isValid())
     return false;
+  ExchangePlugin_ExportFeature* aThis = ((ExchangePlugin_ExportFeature*)(this));
+  AttributeStringPtr aFormatAttr = aThis->string(FILE_FORMAT_ID());
+  std::string aFormat(aFormatAttr.get() ? aFormatAttr->value() : "");
+
+  if (aFormat.empty()) { // get default format for the extension
+    AttributeStringPtr aFilePathAttr = aThis->string(FILE_PATH_ID());
+    std::string aFilePath = aFilePathAttr->value();
+    if (!aFilePath.empty()) {
+      std::string anExtension = GeomAlgoAPI_Tools::File_Tools::extension(aFilePath);
+      aFormat = anExtension;
+    }
   }
 
+  if (aFormat == "XAO") { // on export to GEOm the selection attribute is filled - this is
+                          // an exceptional case where export to XAO feature must be kept
+    AttributeSelectionListPtr aList = aThis->selectionList(SELECTION_LIST_ID());
+    return !aList->isInitialized() || aList->size() == 0;
+  }
   return true;
 }