src/ModelAPI/ModelAPI_Tools.cpp

   1 // Copyright (C) 2014-2017  CEA/DEN, EDF R&D
   2 //
   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.
   7 //
   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.
  12 //
  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
  16 //
  17 // See http://www.salome-platform.org/ or
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include "ModelAPI_Tools.h"
  22 #include <ModelAPI_Session.h>
  23 #include <ModelAPI_CompositeFeature.h>
  24 #include <ModelAPI_Document.h>
  25 #include <ModelAPI_Object.h>
  26 #include <ModelAPI_AttributeDouble.h>
  27 #include <ModelAPI_ResultBody.h>
  28 #include <ModelAPI_ResultParameter.h>
  29 #include <ModelAPI_ResultPart.h>
  30 #include <ModelAPI_AttributeDocRef.h>
  31 #include <ModelAPI_Validator.h>
  32 #include <list>
  33 #include <map>
  34 #include <iostream>
  35 #include <sstream>
  36
  37 #include <Events_Loop.h>
  38 #include <ModelAPI_Events.h>
  39
  40 #define RECURSE_TOP_LEVEL 50
  41
  42 //#define DEBUG_REMOVE_FEATURES
  43 //#define DEBUG_REMOVE_FEATURES_RECURSE
  44 //#define DEBUG_CYCLING_1550
  45
  46 #ifdef DEBUG_REMOVE_FEATURES_RECURSE
  47 #include <sstream>
  48 std::string getFeatureInfo(FeaturePtr theFeature)
  49 {
  50   if (!theFeature.get())
  51     return "";
  52   //std::ostringstream aPtrStr;
  53   //aPtrStr << "[" << theFeature.get() << "] ";
  54   std::string aFeatureInfo = /*aPtrStr.str() + */theFeature->name();
  55   CompositeFeaturePtr aComposite = ModelAPI_Tools::compositeOwner(theFeature);
  56   if (aComposite.get()) {
  57       aFeatureInfo = aFeatureInfo + "[in " + aComposite->name() + "]";
  58   }
  59   return aFeatureInfo;
  60 }
  61 #endif
  62
  63 #ifdef DEBUG_REMOVE_FEATURES
  64 void printMapInfo(const std::map<FeaturePtr, std::set<FeaturePtr> >& theMainList,
  65                   const std::string& thePrefix)
  66 {
  67   std::map<FeaturePtr, std::set<FeaturePtr> >::const_iterator aMainIt = theMainList.begin(),
  68                                                               aMainLast = theMainList.end();
  69   std::string anInfo;
  70   for (; aMainIt != aMainLast; aMainIt++) {
  71     FeaturePtr aMainListFeature = aMainIt->first;
  72     std::set<FeaturePtr> aMainRefList = aMainIt->second;
  73     std::set<FeaturePtr>::const_iterator anIt = aMainRefList.begin(), aLast = aMainRefList.end();
  74     std::string aRefsInfo;
  75     for (; anIt != aLast; anIt++) {
  76       aRefsInfo += (*anIt)->name().c_str();
  77       if (anIt != aLast)
  78         aRefsInfo += ", ";
  79     }
  80     if (!aRefsInfo.empty()) {
  81       anInfo = anInfo + aMainListFeature->name().c_str() + ": " + aRefsInfo + "\n";
  82     }
  83   }
  84   std::cout << thePrefix.c_str() << " [feature: references to]: \n" << anInfo.c_str() << std::endl;
  85 }
  86
  87 void printListInfo(const std::set<FeaturePtr>& theMainList,
  88                   const std::string& thePrefix)
  89 {
  90   std::set<FeaturePtr>::const_iterator aMainIt = theMainList.begin(),
  91                                        aMainLast = theMainList.end();
  92   std::string anInfo;
  93   for (; aMainIt != aMainLast; aMainIt++) {
  94     FeaturePtr aRefFeature = *aMainIt;
  95     anInfo += aRefFeature->name().c_str();
  96     if (aMainIt != aMainLast)
  97       anInfo += ", ";
  98   }
  99   std::cout << thePrefix.c_str() << ": " << anInfo.c_str() << std::endl;
 100 }
 101 #endif
 102
 103 namespace ModelAPI_Tools {
 104
 105 std::shared_ptr<GeomAPI_Shape> shape(const ResultPtr& theResult)
 106 {
 107   return theResult->shape();
 108 }
 109
 110 const char* toString(ModelAPI_ExecState theExecState)
 111 {
 112   switch (theExecState) {
 113   case ModelAPI_StateDone: return "Done";
 114   case ModelAPI_StateMustBeUpdated: return "Must be updated";
 115   case ModelAPI_StateExecFailed: return "Execution failed";
 116   case ModelAPI_StateInvalidArgument: return "Invalid argument";
 117   case ModelAPI_StateNothing: return "Empty state";
 118   default: return "Unknown ExecState.";
 119   }
 120 }
 121
 122 std::string getFeatureError(const FeaturePtr& theFeature)
 123 {
 124   std::string anError;
 125   if (!theFeature.get() || !theFeature->data()->isValid() || theFeature->isAction())
 126     return anError;
 127
 128   // to be removed later, this error should be got from the feature
 129   if (theFeature->data()->execState() == ModelAPI_StateDone ||
 130       theFeature->data()->execState() == ModelAPI_StateMustBeUpdated)
 131     return anError;
 132
 133   // set error indication
 134   anError = theFeature->error();
 135   if (anError.empty()) {
 136     bool isDone = ( theFeature->data()->execState() == ModelAPI_StateDone
 137                  || theFeature->data()->execState() == ModelAPI_StateMustBeUpdated );
 138     if (!isDone) {
 139       anError = toString(theFeature->data()->execState());
 140       // If the feature is Composite and error is StateInvalidArgument,
 141       // error text should include error of first invalid sub-feature. Otherwise
 142       // it is not clear what is the reason of the invalid argument.
 143       if (theFeature->data()->execState() == ModelAPI_StateInvalidArgument) {
 144         CompositeFeaturePtr aComposite =
 145                     std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 146         if (aComposite) {
 147           for (int i = 0, aSize = aComposite->numberOfSubs(); i < aSize; i++) {
 148             FeaturePtr aSubFeature = aComposite->subFeature(i);
 149             std::string aSubFeatureError = getFeatureError(aSubFeature);
 150             if (!aSubFeatureError.empty()) {
 151               anError = anError + " in " + aSubFeature->getKind() + ".\n" + aSubFeatureError;
 152               break;
 153             }
 154           }
 155         }
 156       }
 157     }
 158   }
 159
 160   return anError;
 161 }
 162
 163 ObjectPtr objectByName(const DocumentPtr& theDocument, const std::string& theGroup,
 164                        const std::string& theName)
 165 {
 166   for (int anIndex = 0; anIndex < theDocument->size(theGroup); ++anIndex) {
 167     ObjectPtr anObject = theDocument->object(theGroup, anIndex);
 168     if (anObject->data()->name() == theName)
 169       return anObject;
 170   }
 171   // not found
 172   return ObjectPtr();
 173 }
 174
 175 bool findVariable(const DocumentPtr& theDocument, FeaturePtr theSearcher,
 176                   const std::string& theName, double& outValue, ResultParameterPtr& theParam)
 177 {
 178   ObjectPtr aParamObj = objectByName(theDocument, ModelAPI_ResultParameter::group(), theName);
 179   theParam = std::dynamic_pointer_cast<ModelAPI_ResultParameter>(aParamObj);
 180   if (!theParam.get())
 181     return false;
 182   // avoid usage of parameters created later than the initial parameter
 183
 184   if (theSearcher.get()) {
 185     FeaturePtr aParamFeat = theDocument->feature(theParam);
 186     if (aParamFeat == theSearcher || theDocument->isLater(aParamFeat, theSearcher))
 187       return false;
 188   }
 189   AttributeDoublePtr aValueAttribute = theParam->data()->real(ModelAPI_ResultParameter::VALUE());
 190   outValue = aValueAttribute->value();
 191   return true;
 192 }
 193
 194 bool findVariable(FeaturePtr theSearcher, const std::string& theName, double& outValue,
 195                   ResultParameterPtr& theParam, const DocumentPtr& theDocument)
 196 {
 197   SessionPtr aSession = ModelAPI_Session::get();
 198   std::list<DocumentPtr> aDocList;
 199   DocumentPtr aDocument = theDocument.get() ? theDocument : aSession->activeDocument();
 200   if (findVariable(aDocument, theSearcher, theName, outValue, theParam))
 201     return true;
 202   DocumentPtr aRootDocument = aSession->moduleDocument();
 203   if (aDocument != aRootDocument) {
 204     // any parameters in PartSet is okindependently on the Part position (issu #1504)
 205     if (findVariable(aRootDocument, FeaturePtr(), theName, outValue, theParam))
 206       return true;
 207   }
 208   return false;
 209 }
 210
 211 ResultPtr findPartResult(const DocumentPtr& theMain, const DocumentPtr& theSub)
 212 {
 213   // to optimize and avoid of crash on partset document close
 214   // (don't touch the sub-document structure)
 215   if (theMain != theSub) {
 216     for (int a = theMain->size(ModelAPI_ResultPart::group()) - 1; a >= 0; a--) {
 217       ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(
 218           theMain->object(ModelAPI_ResultPart::group(), a));
 219       if (aPart && aPart->data()->document(ModelAPI_ResultPart::DOC_REF())->value() == theSub) {
 220         return aPart;
 221       }
 222     }
 223   }
 224   return ResultPtr();
 225 }
 226
 227 FeaturePtr findPartFeature(const DocumentPtr& theMain, const DocumentPtr& theSub)
 228 {
 229   // to optimize and avoid of crash on partset document close
 230   // (don't touch the sub-document structure)
 231   if (theMain != theSub) {
 232     // iteration from top to bottom to avoid finding the movement documents before the original
 233     int aSize = theMain->size(ModelAPI_Feature::group());
 234     for (int a = 0; a < aSize; a++) {
 235       FeaturePtr aPartFeat = std::dynamic_pointer_cast<ModelAPI_Feature>(
 236           theMain->object(ModelAPI_Feature::group(), a));
 237       if (aPartFeat.get()) {
 238         const std::list<std::shared_ptr<ModelAPI_Result> >& aResList = aPartFeat->results();
 239         std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes = aResList.begin();
 240         for(; aRes != aResList.end(); aRes++) {
 241           ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(*aRes);
 242           if (aPart.get()) {
 243             if (aPart->isActivated() && aPart->partDoc() == theSub)
 244               return aPartFeat;
 245           } else break; // if the first is not Part, others are also not
 246         }
 247       }
 248     }
 249   }
 250   return FeaturePtr();
 251 }
 252
 253 CompositeFeaturePtr compositeOwner(const FeaturePtr& theFeature)
 254 {
 255   if (theFeature.get() && theFeature->data() && theFeature->data()->isValid()) {
 256     const std::set<std::shared_ptr<ModelAPI_Attribute> >& aRefs = theFeature->data()->refsToMe();
 257     std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aRefIter = aRefs.begin();
 258     for(; aRefIter != aRefs.end(); aRefIter++) {
 259       CompositeFeaturePtr aComp = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>
 260         ((*aRefIter)->owner());
 261       if (aComp.get() && aComp->data()->isValid() && aComp->isSub(theFeature))
 262         return aComp;
 263     }
 264   }
 265   return CompositeFeaturePtr(); // not found
 266 }
 267
 268 ResultBodyPtr bodyOwner(const ResultPtr& theSub)
 269 {
 270   if (theSub.get()) {
 271     ObjectPtr aParent = theSub->document()->parent(theSub);
 272     if (aParent.get()) {
 273       return std::dynamic_pointer_cast<ModelAPI_ResultBody>(aParent);
 274     }
 275   }
 276   return ResultBodyPtr(); // not found
 277 }
 278
 279 int bodyIndex(const ResultPtr& theSub)
 280 {
 281   int anIndex = -1;
 282   ResultBodyPtr aParent = bodyOwner(theSub);
 283   if (aParent.get()) {
 284     ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theSub);
 285     if (aBody.get() && aParent->isSub(aBody, anIndex))
 286       return anIndex;
 287   }
 288   return anIndex; // not found
 289 }
 290
 291 bool hasSubResults(const ResultPtr& theResult)
 292 {
 293   ResultBodyPtr aCompSolid = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theResult);
 294   return aCompSolid.get() && aCompSolid->numberOfSubs() > 0;
 295 }
 296
 297 void allSubs(const ResultBodyPtr& theResult, std::list<ResultPtr>& theResults) {
 298   // iterate sub-bodies of compsolid
 299   ResultBodyPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theResult);
 300   if (aComp.get()) {
 301     int aNumSub = aComp->numberOfSubs();
 302     for (int a = 0; a < aNumSub; a++) {
 303       ResultBodyPtr aSub = aComp->subResult(a);
 304       theResults.push_back(aSub);
 305       allSubs(aSub, theResults);
 306     }
 307   }
 308 }
 309
 310 void allResults(const FeaturePtr& theFeature, std::list<ResultPtr>& theResults)
 311 {
 312   if (!theFeature.get()) // safety: for empty feature no results
 313     return;
 314   const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = theFeature->results();
 315   std::list<ResultPtr>::const_iterator aRIter = aResults.begin();
 316   for (; aRIter != aResults.cend(); aRIter++) {
 317     theResults.push_back(*aRIter);
 318     ResultBodyPtr aResult = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aRIter);
 319     allSubs(aResult, theResults);
 320   }
 321 }
 322
 323 //******************************************************************
 324 bool allDocumentsActivated(std::string& theNotActivatedNames)
 325 {
 326   theNotActivatedNames = "";
 327   bool anAllPartActivated = true;
 328
 329   DocumentPtr aRootDoc = ModelAPI_Session::get()->moduleDocument();
 330   int aSize = aRootDoc->size(ModelAPI_ResultPart::group());
 331   for (int i = 0; i < aSize; i++) {
 332     ObjectPtr aObject = aRootDoc->object(ModelAPI_ResultPart::group(), i);
 333     ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObject);
 334     if (!aPart->isActivated()) {
 335       anAllPartActivated = false;
 336       if (!theNotActivatedNames.empty())
 337         theNotActivatedNames += ", ";
 338       theNotActivatedNames += aObject->data()->name().c_str();
 339     }
 340   }
 341   return anAllPartActivated;
 342 }
 343
 344 bool removeFeaturesAndReferences(const std::set<FeaturePtr>& theFeatures,
 345                                  const bool theFlushRedisplay,
 346                                  const bool theUseComposite,
 347                                  const bool theUseRecursion)
 348 {
 349 #ifdef DEBUG_REMOVE_FEATURES
 350   printListInfo(theFeatures, "selection: ");
 351 #endif
 352
 353   std::map<FeaturePtr, std::set<FeaturePtr> > aReferences;
 354   ModelAPI_Tools::findAllReferences(theFeatures, aReferences, theUseComposite, theUseRecursion);
 355 #ifdef DEBUG_REMOVE_FEATURES
 356   printMapInfo(aReferences, "allDependencies: ");
 357 #endif
 358
 359   std::set<FeaturePtr> aFeaturesRefsTo;
 360   ModelAPI_Tools::findRefsToFeatures(theFeatures, aReferences, aFeaturesRefsTo);
 361 #ifdef DEBUG_REMOVE_FEATURES
 362   printListInfo(aFeaturesRefsTo, "references: ");
 363 #endif
 364
 365   std::set<FeaturePtr> aFeatures = theFeatures;
 366   if (!aFeaturesRefsTo.empty())
 367     aFeatures.insert(aFeaturesRefsTo.begin(), aFeaturesRefsTo.end());
 368 #ifdef DEBUG_REMOVE_FEATURES
 369   printListInfo(aFeatures, "removeFeatures: ");
 370 #endif
 371
 372   return ModelAPI_Tools::removeFeatures(aFeatures, false);
 373 }
 374
 375 //***********************************************************************
 376 bool removeFeatures(const std::set<FeaturePtr>& theFeatures,
 377                     const bool theFlushRedisplay)
 378 {
 379   bool isDone = false;
 380   std::set<FeaturePtr>::const_iterator anIt = theFeatures.begin(),
 381                                        aLast = theFeatures.end();
 382   for (; anIt != aLast; anIt++) {
 383     FeaturePtr aFeature = *anIt;
 384     if (aFeature.get()) {
 385       DocumentPtr aDoc = aFeature->document();
 386       // flush REDISPLAY signal after remove feature
 387       aDoc->removeFeature(aFeature);
 388       isDone = true;
 389     }
 390   }
 391   if (isDone && theFlushRedisplay) {
 392     // the redisplay signal should be flushed in order to erase
 393     // the feature presentation in the viewer
 394     // if should be done after removeFeature() of document
 395     Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY));
 396   }
 397   return true;
 398 }
 399
 400 //***********************************************************************
 401 // Fills the references list by all references of the feature from the references map.
 402 // This is a recusive method to find references by next found feature in the map of references.
 403 // \param theFeature a feature to find references
 404 // \param theReferencesMap a map of references
 405 // \param theReferences an out container of references
 406 void addRefsToFeature(const FeaturePtr& theFeature,
 407                       const std::map<FeaturePtr, std::set<FeaturePtr> >& theReferencesMap,
 408                       int theRecLevel,
 409                       std::set<FeaturePtr>& theReferences)
 410 {
 411   if (theRecLevel > RECURSE_TOP_LEVEL)
 412     return;
 413   theRecLevel++;
 414
 415   if (theReferencesMap.find(theFeature) == theReferencesMap.end())
 416     return; // this feature is not in the selection list, so exists without references to it
 417   std::set<FeaturePtr> aMainReferences = theReferencesMap.at(theFeature);
 418
 419   std::set<FeaturePtr>::const_iterator anIt = aMainReferences.begin(),
 420                                        aLast = aMainReferences.end();
 421   for (; anIt != aLast; anIt++) {
 422     FeaturePtr aRefFeature = *anIt;
 423     if (theReferences.find(aRefFeature) == theReferences.end()) {
 424       addRefsToFeature(aRefFeature, theReferencesMap, theRecLevel, theReferences);
 425       theReferences.insert(aRefFeature);
 426     }
 427   }
 428 }
 429
 430 // For each feature from the feature list it searches references to the feature and append them
 431 // to the references map. This is a recusive method.
 432 // \param theFeature a feature to find references
 433 // \param theReferencesMap a map of references
 434 // \param theReferences an out container of references
 435 void findReferences(const std::set<FeaturePtr>& theFeatures,
 436                     std::map<FeaturePtr, std::set<FeaturePtr> >& theReferences,
 437                     const bool theUseComposite, const bool theUseRecursion, int theRecLevel)
 438 {
 439   if (theRecLevel > RECURSE_TOP_LEVEL)
 440     return;
 441   theRecLevel++;
 442   std::set<FeaturePtr>::const_iterator anIt = theFeatures.begin(),
 443                                         aLast = theFeatures.end();
 444   for (; anIt != aLast; anIt++) {
 445     FeaturePtr aFeature = *anIt;
 446     if (aFeature.get() && theReferences.find(aFeature) == theReferences.end()) {
 447       DocumentPtr aSelFeatureDoc = aFeature->document();
 448       std::set<FeaturePtr> aSelRefFeatures;
 449       aSelFeatureDoc->refsToFeature(aFeature, aSelRefFeatures, false/*do not emit signals*/);
 450       if (theUseComposite) { // do not filter selection
 451         theReferences[aFeature] = aSelRefFeatures;
 452       }
 453       else { // filter references to skip composition features of the current feature
 454         std::set<FeaturePtr> aFilteredFeatures;
 455         std::set<FeaturePtr>::const_iterator anIt = aSelRefFeatures.begin(),
 456                                              aLast = aSelRefFeatures.end();
 457         for (; anIt != aLast; anIt++) {
 458           FeaturePtr aCFeature = *anIt;
 459           CompositeFeaturePtr aComposite =
 460             std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aCFeature);
 461           if (aComposite.get() && aComposite->isSub(aFeature))
 462             continue; /// composite of the current feature should be skipped
 463           aFilteredFeatures.insert(aCFeature);
 464         }
 465         theReferences[aFeature] = aFilteredFeatures;
 466       }
 467       if (theUseRecursion) {
 468 #ifdef DEBUG_CYCLING_1550
 469         findReferences(aSelRefFeatures, theReferences, theUseComposite,
 470                        theUseRecursion, theRecLevel);
 471 #else
 472         findReferences(theReferences[aFeature], theReferences, theUseComposite, theUseRecursion,
 473                        theRecLevel);
 474 #endif
 475       }
 476     }
 477   }
 478 }
 479
 480 void findAllReferences(const std::set<FeaturePtr>& theFeatures,
 481                        std::map<FeaturePtr, std::set<FeaturePtr> >& theReferences,
 482                        const bool theUseComposite,
 483                        const bool theUseRecursion)
 484 {
 485   // For dependencies, find main_list:
 486   // sk_1(ext_1, vertex_1)
 487   // ext_1(bool_1, sk_3)
 488   // vertex_1()
 489   // sk_2(ext_2)
 490   // ext_2(bool_2)
 491   // sk_3()
 492   // Information: bool_1 is not selected, ext_2(bool_2) exists
 493   // find all referenced features
 494   std::map<FeaturePtr, std::set<FeaturePtr> > aMainList;
 495   int aRecLevel = 0;
 496   findReferences(theFeatures, aMainList, theUseComposite, theUseRecursion, aRecLevel);
 497
 498 #ifdef DEBUG_REMOVE_FEATURES
 499   printMapInfo(aMainList, "firstDependencies");
 500 #endif
 501   // find all dependencies for each object:
 502   // sk_1(ext_1, vertex_1) + (sk_3, bool_1)
 503   // ext_1(bool_1, sk_3)
 504   // vertex_1()
 505   // sk_2(ext_2) + (bool_1)
 506   // ext_2(bool_1)
 507   // sk_3()
 508   std::map<FeaturePtr, std::set<FeaturePtr> >::const_iterator aMainIt = aMainList.begin(),
 509                                                               aMainLast = aMainList.end();
 510   for (; aMainIt != aMainLast; aMainIt++) {
 511     FeaturePtr aMainListFeature = aMainIt->first;
 512
 513     //std::string aName = aMainListFeature->name();
 514     std::set<FeaturePtr> aMainRefList = aMainIt->second;
 515
 516 #ifdef DEBUG_REMOVE_FEATURES_RECURSE
 517     char aBuf[50];
 518     int n = sprintf(aBuf, "%d", aMainRefList.size());
 519     std::string aSize(aBuf);
 520     std::cout << "_findAllReferences for the Feature: " << getFeatureInfo(aMainListFeature)
 521               << ", references size = " << aSize << std::endl;
 522 #endif
 523     std::set<FeaturePtr>::const_iterator anIt = aMainRefList.begin(),
 524                                          aLast = aMainRefList.end();
 525     std::set<FeaturePtr> aResultRefList;
 526     aResultRefList.insert(aMainRefList.begin(), aMainRefList.end());
 527     for (; anIt != aLast; anIt++) {
 528       FeaturePtr aFeature = *anIt;
 529       int aRecLevel = 0;
 530 #ifdef DEBUG_REMOVE_FEATURES_RECURSE
 531       std::cout << " Ref: " << getFeatureInfo(aFeature) << std::endl;
 532 #endif
 533       aRecLevel++;
 534       addRefsToFeature(aFeature, aMainList,
 535                        aRecLevel, aResultRefList/*aMainRefList*/);
 536     }
 537     theReferences[aMainListFeature] = aResultRefList;
 538   }
 539 #ifdef DEBUG_REMOVE_FEATURES_RECURSE
 540     std::cout << std::endl;
 541 #endif
 542
 543 #ifdef DEBUG_REMOVE_FEATURES
 544   printMapInfo(theReferences, "allDependencies");
 545 #endif
 546 }
 547
 548 void findRefsToFeatures(const std::set<FeaturePtr>& theFeatures,
 549                         const std::map<FeaturePtr, std::set<FeaturePtr> >& theReferences,
 550                         std::set<FeaturePtr>& theFeaturesRefsTo)
 551 {
 552   std::set<FeaturePtr>::const_iterator anIt = theFeatures.begin(),
 553                                        aLast = theFeatures.end();
 554   for (; anIt != aLast; anIt++) {
 555     FeaturePtr aFeature = *anIt;
 556     if (theReferences.find(aFeature) == theReferences.end())
 557       continue;
 558     std::set<FeaturePtr> aRefList = theReferences.at(aFeature);
 559     std::set<FeaturePtr>::const_iterator aRefIt = aRefList.begin(), aRefLast = aRefList.end();
 560     for (; aRefIt != aRefLast; aRefIt++) {
 561       FeaturePtr aRefFeature = *aRefIt;
 562       CompositeFeaturePtr aComposite =
 563         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aRefFeature);
 564       if (aComposite.get() && aComposite->isSub(aFeature))
 565         continue; /// composite of the current feature should not be removed
 566
 567       if (theFeatures.find(aRefFeature) == theFeatures.end() && // it is not selected
 568           theFeaturesRefsTo.find(aRefFeature) == theFeaturesRefsTo.end()) // it is not added
 569         theFeaturesRefsTo.insert(aRefFeature);
 570     }
 571   }
 572 }
 573
 574 void getConcealedResults(const FeaturePtr& theFeature,
 575                          std::list<std::shared_ptr<ModelAPI_Result> >& theResults)
 576 {
 577   SessionPtr aSession = ModelAPI_Session::get();
 578
 579   std::list<std::pair<std::string, std::list<std::shared_ptr<ModelAPI_Object> > > > aRefs;
 580   theFeature->data()->referencesToObjects(aRefs);
 581   std::list<std::pair<std::string, std::list<ObjectPtr> > >::const_iterator
 582                                                   anIt = aRefs.begin(), aLast = aRefs.end();
 583   std::set<ResultPtr> alreadyThere; // to avoid duplications
 584   for (; anIt != aLast; anIt++) {
 585     if (!aSession->validators()->isConcealed(theFeature->getKind(), anIt->first))
 586       continue; // use only concealed attributes
 587     std::list<ObjectPtr> anObjects = (*anIt).second;
 588     std::list<ObjectPtr>::const_iterator anOIt = anObjects.begin(), anOLast = anObjects.end();
 589     for (; anOIt != anOLast; anOIt++) {
 590       ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(*anOIt);
 591       if (aResult && aResult->isConcealed()) {
 592         if (alreadyThere.find(aResult) == alreadyThere.end()) // issue 1712, avoid duplicates
 593           alreadyThere.insert(aResult);
 594         else continue;
 595         theResults.push_back(aResult);
 596       }
 597     }
 598   }
 599 }
 600
 601 std::pair<std::string, bool> getDefaultName(const std::shared_ptr<ModelAPI_Result>& theResult)
 602 {
 603   typedef std::list< std::pair < std::string, std::list<ObjectPtr> > > ListOfReferences;
 604
 605   SessionPtr aSession = ModelAPI_Session::get();
 606
 607   ResultBodyPtr anOwnerRes = bodyOwner(theResult);
 608   if (anOwnerRes) {
 609     // names of sub-solids in CompSolid should be default (for example,
 610     // result of boolean operation 'Boolean_1_1' is a CompSolid which is renamed to 'MyBOOL',
 611     // however, sub-elements of 'MyBOOL' should be named 'Boolean_1_1_1', 'Boolean_1_1_2' etc.)
 612     std::ostringstream aDefaultName;
 613     aDefaultName << getDefaultName(anOwnerRes).first;
 614     aDefaultName << "_" << (bodyIndex(theResult) + 1);
 615     return std::pair<std::string, bool>(aDefaultName.str(), false);
 616   }
 617
 618   FeaturePtr anOwner = ModelAPI_Feature::feature(theResult->data()->owner());
 619   DataPtr aData = anOwner->data();
 620
 621   ListOfReferences aReferences;
 622   aData->referencesToObjects(aReferences);
 623
 624   // find first result with user-defined name
 625   ListOfReferences::const_iterator aFoundRef = aReferences.end();
 626   for (ListOfReferences::const_iterator aRefIt = aReferences.begin();
 627        aRefIt != aReferences.end(); ++aRefIt) {
 628     bool isConcealed = aSession->validators()->isConcealed(anOwner->getKind(), aRefIt->first);
 629     bool isMainArg = isConcealed &&
 630                      aSession->validators()->isMainArgument(anOwner->getKind(), aRefIt->first);
 631     if (isConcealed) {
 632       // check the referred object is a Body
 633       // (for example, ExtrusionCut has a sketch as a first attribute which is concealing)
 634       bool isBody = aRefIt->second.size() > 1 || (aRefIt->second.size() == 1 &&
 635                     aRefIt->second.front()->groupName() == ModelAPI_ResultBody::group());
 636       if (isBody && (isMainArg || aFoundRef == aReferences.end() ||
 637           aData->isPrecedingAttribute(aRefIt->first, aFoundRef->first)))
 638         aFoundRef = aRefIt;
 639
 640       if (isMainArg)
 641         break;
 642     }
 643   }
 644   // get the result number in the feature
 645   int anIndexInOwner = 0;
 646   const std::list<ResultPtr>& anOwnerResults = anOwner->results();
 647   std::list<ResultPtr>::const_iterator aResIt = anOwnerResults.cbegin();
 648   for(; aResIt != anOwnerResults.cend(); aResIt++) {
 649     if(*aResIt == theResult)
 650       break;
 651     anIndexInOwner++;
 652   }
 653
 654   // find an object which is concealed by theResult
 655   if (aFoundRef != aReferences.end() && !aFoundRef->second.empty()) {
 656     // store number of references for each object
 657     std::map<ResultPtr, int> aNbRefToObject;
 658     // search the object by result index
 659     std::list<ObjectPtr>::const_iterator anObjIt = aFoundRef->second.begin();
 660     int aResultIndex = anIndexInOwner;
 661     while (--aResultIndex >= 0) {
 662       ResultPtr aCurRes = std::dynamic_pointer_cast<ModelAPI_Result>(*anObjIt);
 663       ResultBodyPtr aParentBody = ModelAPI_Tools::bodyOwner(aCurRes);
 664       if (aParentBody)
 665         aCurRes = aParentBody;
 666       if (aNbRefToObject.find(aCurRes) == aNbRefToObject.end())
 667         aNbRefToObject[aCurRes] = 1;
 668       else
 669         aNbRefToObject[aCurRes] += 1;
 670
 671       ++anObjIt;
 672       if (anObjIt == aFoundRef->second.end()) {
 673         anObjIt = aFoundRef->second.begin();
 674         break;
 675       }
 676     }
 677     // check the result is a Body
 678     if ((*anObjIt)->groupName() == ModelAPI_ResultBody::group()) {
 679       // check the result is part of CompSolid
 680       ResultPtr anObjRes = std::dynamic_pointer_cast<ModelAPI_Result>(*anObjIt);
 681       ResultBodyPtr aParentBody = ModelAPI_Tools::bodyOwner(anObjRes);
 682       if (aParentBody)
 683         anObjRes = aParentBody;
 684
 685       // return name of reference result only if it has been renamed by the user,
 686       // in other case compose a default name
 687       if (anObjRes->data()->hasUserDefinedName()) {
 688         std::stringstream aName;
 689         aName << anObjRes->data()->name();
 690         std::map<ResultPtr, int>::iterator aFound = aNbRefToObject.find(anObjRes);
 691         if (aFound != aNbRefToObject.end()) {
 692           // to generate unique name, add suffix if there are several results
 693           // referring to the same shape
 694           aName << "_" << aFound->second + 1;
 695         }
 696         return std::pair<std::string, bool>(aName.str(), true);
 697       }
 698     }
 699   }
 700
 701   // compose default name by the name of the feature and the index of result
 702   std::stringstream aDefaultName;
 703   aDefaultName << anOwner->name();
 704   // if there are several results (issue #899: any number of result),
 705   // add unique prefix starting from second
 706   if (anIndexInOwner > 0 || theResult->groupName() == ModelAPI_ResultBody::group())
 707     aDefaultName << "_" << anIndexInOwner + 1;
 708   return std::pair<std::string, bool>(aDefaultName.str(), false);
 709 }
 710
 711 } // namespace ModelAPI_Tools