src/PartSet/PartSet_Module.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 #include "PartSet_Module.h"
   4 #include <PartSet_WidgetSketchLabel.h>
   5 #include <PartSet_Validators.h>
   6 #include <PartSet_Tools.h>
   7 #include <PartSet_WidgetPoint2d.h>
   8 #include <PartSet_WidgetPoint2dDistance.h>
   9 #include <PartSet_WidgetShapeSelector.h>
  10 #include <PartSet_SketcherMgr.h>
  11
  12 #include <ModuleBase_Operation.h>
  13 #include <ModuleBase_IViewer.h>
  14 #include <ModuleBase_IViewWindow.h>
  15 #include <ModuleBase_IPropertyPanel.h>
  16 #include <ModuleBase_WidgetEditor.h>
  17 #include <ModuleBase_FilterFactory.h>
  18 #include <ModuleBase_FilterLinearEdge.h>
  19 #include <ModuleBase_FilterFace.h>
  20 #include <ModuleBase_FilterMulti.h>
  21 #include <ModuleBase_FilterCustom.h>
  22 #include <ModuleBase_FilterNoConsructionSubShapes.h>
  23
  24 #include <ModelAPI_Object.h>
  25 #include <ModelAPI_Events.h>
  26 #include <ModelAPI_Validator.h>
  27 #include <ModelAPI_Data.h>
  28 #include <ModelAPI_Session.h>
  29 #include <ModelAPI_ShapeValidator.h>
  30
  31 #include <GeomDataAPI_Point2D.h>
  32 #include <GeomDataAPI_Point.h>
  33 #include <GeomDataAPI_Dir.h>
  34
  35 #include <XGUI_Displayer.h>
  36 #include <XGUI_Workshop.h>
  37 #include <XGUI_OperationMgr.h>
  38 #include <XGUI_PropertyPanel.h>
  39 #include <XGUI_ModuleConnector.h>
  40 #include <XGUI_Tools.h>
  41
  42 #include <SketchPlugin_Feature.h>
  43 #include <SketchPlugin_Sketch.h>
  44 #include <SketchPlugin_Line.h>
  45 //#include <SketchPlugin_Arc.h>
  46 //#include <SketchPlugin_Circle.h>
  47 #include <SketchPlugin_ConstraintLength.h>
  48 #include <SketchPlugin_ConstraintDistance.h>
  49 #include <SketchPlugin_ConstraintParallel.h>
  50 #include <SketchPlugin_ConstraintPerpendicular.h>
  51 #include <SketchPlugin_ConstraintRadius.h>
  52 //#include <SketchPlugin_ConstraintRigid.h>
  53
  54 #include <Events_Loop.h>
  55 #include <Config_PropManager.h>
  56
  57 #include <StdSelect_TypeOfFace.hxx>
  58 #include <TopoDS_Vertex.hxx>
  59 #include <TopoDS.hxx>
  60 #include <TopoDS_Shape.hxx>
  61 #include <BRep_Tool.hxx>
  62
  63 #include <QObject>
  64 #include <QMouseEvent>
  65 #include <QString>
  66 #include <QTimer>
  67 #include <QApplication>
  68 #include <QMessageBox>
  69 #include <QMainWindow>
  70
  71 #include <GeomAlgoAPI_FaceBuilder.h>
  72 #include <GeomDataAPI_Dir.h>
  73
  74 #ifdef _DEBUG
  75 #include <QDebug>
  76 #endif
  77
  78 /*!Create and return new instance of XGUI_Module*/
  79 extern "C" PARTSET_EXPORT ModuleBase_IModule* createModule(ModuleBase_IWorkshop* theWshop)
  80 {
  81   return new PartSet_Module(theWshop);
  82 }
  83
  84 PartSet_Module::PartSet_Module(ModuleBase_IWorkshop* theWshop)
  85   : ModuleBase_IModule(theWshop),
  86   myRestartingMode(RM_None)
  87 {
  88   //myWorkshop = dynamic_cast<XGUI_Workshop*>(theWshop);
  89   mySketchMgr = new PartSet_SketcherMgr(this);
  90
  91   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWshop);
  92   XGUI_Workshop* aWorkshop = aConnector->workshop();
  93
  94   XGUI_OperationMgr* anOpMgr = aWorkshop->operationMgr();
  95   connect(anOpMgr, SIGNAL(keyEnterReleased()), this, SLOT(onEnterReleased()));
  96   connect(anOpMgr, SIGNAL(operationActivatedByPreselection()),
  97           this, SLOT(onOperationActivatedByPreselection()));
  98
  99   ModuleBase_IViewer* aViewer = theWshop->viewer();
 100   connect(aViewer, SIGNAL(keyRelease(ModuleBase_IViewWindow*, QKeyEvent*)),
 101           this, SLOT(onKeyRelease(ModuleBase_IViewWindow*, QKeyEvent*)));
 102
 103   createActions();
 104 }
 105
 106 PartSet_Module::~PartSet_Module()
 107 {
 108   if (!myDocumentShapeFilter.IsNull())
 109     myDocumentShapeFilter.Nullify();
 110 }
 111
 112 void PartSet_Module::registerValidators()
 113 {
 114   //Registering of validators
 115   SessionPtr aMgr = ModelAPI_Session::get();
 116   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
 117   aFactory->registerValidator("PartSet_DistanceValidator", new PartSet_DistanceValidator);
 118   aFactory->registerValidator("PartSet_LengthValidator", new PartSet_LengthValidator);
 119   aFactory->registerValidator("PartSet_PerpendicularValidator", new PartSet_PerpendicularValidator);
 120   aFactory->registerValidator("PartSet_ParallelValidator", new PartSet_ParallelValidator);
 121   aFactory->registerValidator("PartSet_RadiusValidator", new PartSet_RadiusValidator);
 122   aFactory->registerValidator("PartSet_RigidValidator", new PartSet_RigidValidator);
 123   aFactory->registerValidator("PartSet_DifferentObjects", new PartSet_DifferentObjectsValidator);
 124   aFactory->registerValidator("PartSet_DifferentShapes", new ModelAPI_ShapeValidator);
 125   aFactory->registerValidator("PartSet_SketchValidator", new PartSet_SketchValidator);
 126 }
 127
 128 void PartSet_Module::registerFilters()
 129 {
 130   //Registering of selection filters
 131   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 132   ModuleBase_FilterFactory* aFactory = aConnector->selectionFilters();
 133
 134   aFactory->registerFilter("EdgeFilter", new ModuleBase_FilterLinearEdge);
 135   aFactory->registerFilter("FaceFilter", new ModuleBase_FilterFace);
 136   aFactory->registerFilter("MultiFilter", new ModuleBase_FilterMulti);
 137   Handle(SelectMgr_Filter) aSelectFilter = new ModuleBase_FilterNoConsructionSubShapes(workshop());
 138   aFactory->registerFilter("NoConstructionSubShapesFilter",
 139             new ModuleBase_FilterCustom(aSelectFilter));
 140 }
 141
 142 void PartSet_Module::registerProperties()
 143 {
 144   Config_PropManager::registerProp("Sketch planes", "planes_size", "Size", Config_Prop::Double,
 145                                    PLANE_SIZE);
 146   Config_PropManager::registerProp("Sketch planes", "planes_thickness", "Thickness",
 147                                    Config_Prop::Integer, SKETCH_WIDTH);
 148 }
 149
 150 void PartSet_Module::operationCommitted(ModuleBase_Operation* theOperation)
 151 {
 152   if (theOperation->isEditOperation())
 153     return;
 154   // the selection is cleared after commit the create operation
 155   // in order to do not use the same selected objects in the restarted operation
 156   // for common behaviour, the selection is cleared even if the operation is not restarted
 157   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 158   if (!aContext.IsNull())
 159     aContext->ClearSelected();
 160
 161   /// Restart sketcher operations automatically
 162   FeaturePtr aFeature = theOperation->feature();
 163   std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 164             std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 165   if (aSPFeature && (myRestartingMode == RM_LastFeatureUsed ||
 166                      myRestartingMode == RM_EmptyFeatureUsed)) {
 167     myLastOperationId = theOperation->id();
 168     myLastFeature = myRestartingMode == RM_LastFeatureUsed ? theOperation->feature() : FeaturePtr();
 169
 170     launchOperation(myLastOperationId);
 171   }
 172   breakOperationSequence();
 173 }
 174
 175 void PartSet_Module::breakOperationSequence()
 176 {
 177   myLastOperationId = "";
 178   myLastFeature = FeaturePtr();
 179   myRestartingMode = RM_None;
 180 }
 181
 182 void PartSet_Module::operationAborted(ModuleBase_Operation* theOperation)
 183 {
 184   breakOperationSequence();
 185 }
 186
 187 void PartSet_Module::operationStarted(ModuleBase_Operation* theOperation)
 188 {
 189   if (theOperation->id().toStdString() == SketchPlugin_Sketch::ID()) {
 190     mySketchMgr->startSketch(theOperation);
 191   }
 192   if (myDocumentShapeFilter.IsNull())
 193     myDocumentShapeFilter = new PartSet_GlobalFilter(myWorkshop);
 194   myWorkshop->viewer()->addSelectionFilter(myDocumentShapeFilter);
 195 }
 196
 197 void PartSet_Module::operationStopped(ModuleBase_Operation* theOperation)
 198 {
 199   if (theOperation->id().toStdString() == SketchPlugin_Sketch::ID()) {
 200     mySketchMgr->stopSketch(theOperation);
 201   }
 202   myWorkshop->viewer()->removeSelectionFilter(myDocumentShapeFilter);
 203 }
 204
 205 bool PartSet_Module::canDisplayObject(const ObjectPtr& theObject) const
 206 {
 207   bool aCanDisplay = false;
 208   CompositeFeaturePtr aSketchFeature = mySketchMgr->activeSketch();
 209   if (aSketchFeature.get() != NULL) {
 210     FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
 211
 212     // MPV: the second and third conditions to avoid crash on exit for application
 213     if (aFeature.get() != NULL && aFeature->data().get() && aFeature->data()->isValid()) {
 214       if (aFeature == aSketchFeature) {
 215         aCanDisplay = false;
 216       }
 217       else if (aSketchFeature.get() && aSketchFeature->data().get() &&
 218                aSketchFeature->data()->isValid()) {
 219         for (int i = 0; i < aSketchFeature->numberOfSubs() && !aCanDisplay; i++) {
 220           FeaturePtr aSubFeature = aSketchFeature->subFeature(i);
 221           std::list<ResultPtr> aResults = aSubFeature->results();
 222           std::list<ResultPtr>::const_iterator aIt;
 223           for (aIt = aResults.begin(); aIt != aResults.end() && !aCanDisplay; ++aIt) {
 224             if (theObject == (*aIt))
 225               aCanDisplay = true;
 226           }
 227           if (aSubFeature == theObject)
 228             aCanDisplay = true;
 229         }
 230       }
 231     }
 232   }
 233   else {
 234     aCanDisplay = ModuleBase_IModule::canDisplayObject(theObject);
 235   }
 236   return aCanDisplay;
 237 }
 238
 239 void PartSet_Module::addViewerItems(QMenu* theMenu) const
 240 {
 241   if (!isSketchOperationActive() && !isSketchFeatureOperationActive())
 242     return;
 243   ModuleBase_ISelection* aSelection = myWorkshop->selection();
 244   QObjectPtrList aObjects = aSelection->selectedPresentations();
 245   if (aObjects.size() > 0) {
 246     bool hasFeature = false;
 247     foreach(ObjectPtr aObject, aObjects)
 248     {
 249       FeaturePtr aFeature = ModelAPI_Feature::feature(aObject);
 250       if (aFeature.get() != NULL) {
 251         hasFeature = true;
 252       }
 253     }
 254     if (hasFeature)
 255       theMenu->addAction(action("DELETE_PARTSET_CMD"));
 256   }
 257 }
 258
 259 void PartSet_Module::propertyPanelDefined(ModuleBase_Operation* theOperation)
 260 {
 261   ModuleBase_IPropertyPanel* aPanel = theOperation->propertyPanel();
 262   if ((theOperation->id().toStdString() == SketchPlugin_Sketch::ID()) &&
 263     (theOperation->isEditOperation())) {
 264     // we have to manually activate the sketch label in edit mode
 265       aPanel->activateWidget(aPanel->modelWidgets().first());
 266       return;
 267   }
 268
 269   // Restart last operation type
 270   if ((theOperation->id() == myLastOperationId) && myLastFeature) {
 271     ModuleBase_ModelWidget* aWgt = aPanel->activeWidget();
 272     if (theOperation->id().toStdString() == SketchPlugin_Line::ID()) {
 273       // Initialise new line with first point equal to end of previous
 274       PartSet_WidgetPoint2D* aPnt2dWgt = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
 275       if (aPnt2dWgt) {
 276         std::shared_ptr<ModelAPI_Data> aData = myLastFeature->data();
 277         std::shared_ptr<GeomDataAPI_Point2D> aPoint =
 278           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::END_ID()));
 279         if (aPoint) {
 280           aPnt2dWgt->setPoint(aPoint->x(), aPoint->y());
 281           PartSet_Tools::setConstraints(mySketchMgr->activeSketch(), theOperation->feature(),
 282             aWgt->attributeID(), aPoint->x(), aPoint->y());
 283           aPanel->activateNextWidget(aPnt2dWgt);
 284         }
 285       }
 286     }
 287   } else {
 288     // Start editing constraint
 289     if (theOperation->isEditOperation()) {
 290       // TODO: #391 - to be removed
 291       std::string aId = theOperation->id().toStdString();
 292       if (PartSet_SketcherMgr::sketchOperationIdList().contains(QString(aId.c_str()))) {
 293         if ((aId == SketchPlugin_ConstraintRadius::ID()) ||
 294             (aId == SketchPlugin_ConstraintLength::ID()) ||
 295             (aId == SketchPlugin_ConstraintDistance::ID())) {
 296           // Find and activate widget for management of point for dimension line position
 297           QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
 298           foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
 299             PartSet_WidgetPoint2D* aPntWgt = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
 300             if (aPntWgt) {
 301               aPanel->activateWidget(aPntWgt);
 302               return;
 303             }
 304           }
 305         }
 306       }
 307     }
 308   }
 309 }
 310
 311
 312 void PartSet_Module::onSelectionChanged()
 313 {
 314   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 315   if (!aOperation)
 316     return;
 317
 318   bool isSketcherOp = false;
 319   // An edit operation is enable only if the current opeation is the sketch operation
 320   if (mySketchMgr->activeSketch()) {
 321     if (PartSet_Tools::sketchPlane(mySketchMgr->activeSketch()))
 322       isSketcherOp = (aOperation->id().toStdString() == SketchPlugin_Sketch::ID());
 323   }
 324   if (isSketcherOp) {
 325     // Editing of constraints can be done on selection
 326     ModuleBase_ISelection* aSelect = myWorkshop->selection();
 327     QList<ModuleBase_ViewerPrs> aSelected = aSelect->getSelected();
 328     if (aSelected.size() == 1) {
 329       ModuleBase_ViewerPrs aPrs = aSelected.first();
 330       ObjectPtr aObject = aPrs.object();
 331       FeaturePtr aFeature = ModelAPI_Feature::feature(aObject);
 332       if (aFeature) {
 333         std::string aId = aFeature->getKind();
 334         if ((aId == SketchPlugin_ConstraintRadius::ID()) ||
 335             (aId == SketchPlugin_ConstraintLength::ID()) ||
 336             (aId == SketchPlugin_ConstraintDistance::ID())) {
 337           editFeature(aFeature);
 338         }
 339       }
 340     }
 341   }
 342 }
 343
 344 void PartSet_Module::onKeyRelease(ModuleBase_IViewWindow* theWnd, QKeyEvent* theEvent)
 345 {
 346   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 347   XGUI_OperationMgr* anOpMgr = aConnector->workshop()->operationMgr();
 348   anOpMgr->onKeyReleased(theEvent);
 349 }
 350
 351 void PartSet_Module::onEnterReleased()
 352 {
 353   myRestartingMode = RM_EmptyFeatureUsed;
 354 }
 355
 356 void PartSet_Module::onOperationActivatedByPreselection()
 357 {
 358   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 359   if(aOperation && isSketchFeatureOperationActive()) {
 360     // Set final definitions if they are necessary
 361     //propertyPanelDefined(aOperation);
 362
 363     /// Commit sketcher operations automatically
 364     aOperation->commit();
 365   }
 366 }
 367
 368 void PartSet_Module::onNoMoreWidgets()
 369 {
 370   if (isSketchFeatureOperationActive()) {
 371     ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 372     if (aOperation) {
 373       if (myRestartingMode != RM_Forbided)
 374         myRestartingMode = RM_LastFeatureUsed;
 375       aOperation->commit();
 376     }
 377   }
 378 }
 379
 380 void PartSet_Module::onVertexSelected()
 381 {
 382   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 383   if (aOperation->id().toStdString() == SketchPlugin_Line::ID()) {
 384     /// If last line finished on vertex the lines creation sequence has to be break
 385     ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 386     const QList<ModuleBase_ModelWidget*>& aWidgets = aPanel->modelWidgets();
 387     if (aWidgets.last() == aPanel->activeWidget()) {
 388       myRestartingMode = RM_Forbided;
 389     }
 390   }
 391 }
 392
 393 QWidget* PartSet_Module::createWidgetByType(const std::string& theType, QWidget* theParent,
 394                                             Config_WidgetAPI* theWidgetApi, std::string theParentId,
 395                                             QList<ModuleBase_ModelWidget*>& theModelWidgets)
 396 {
 397   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 398   XGUI_Workshop* aWorkshop = aConnector->workshop();
 399   if (theType == "sketch-start-label") {
 400     PartSet_WidgetSketchLabel* aWgt = new PartSet_WidgetSketchLabel(theParent, theWidgetApi, theParentId);
 401     aWgt->setWorkshop(aWorkshop);
 402     connect(aWgt, SIGNAL(planeSelected(const std::shared_ptr<GeomAPI_Pln>&)),
 403       mySketchMgr, SLOT(onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>&)));
 404     theModelWidgets.append(aWgt);
 405     return aWgt->getControl();
 406
 407   } else if (theType == "sketch-2dpoint_selector") {
 408     PartSet_WidgetPoint2D* aWgt = new PartSet_WidgetPoint2D(theParent, theWidgetApi, theParentId);
 409     aWgt->setWorkshop(aWorkshop);
 410     aWgt->setSketch(mySketchMgr->activeSketch());
 411
 412     connect(aWgt, SIGNAL(vertexSelected()), this, SLOT(onVertexSelected()));
 413
 414     theModelWidgets.append(aWgt);
 415     return aWgt->getControl();
 416
 417   } if (theType == "point2ddistance") {
 418     PartSet_WidgetPoint2dDistance* aWgt = new PartSet_WidgetPoint2dDistance(theParent, theWidgetApi, theParentId);
 419     aWgt->setWorkshop(aWorkshop);
 420     aWgt->setSketch(mySketchMgr->activeSketch());
 421
 422     theModelWidgets.append(aWgt);
 423     return aWgt->getControl();
 424
 425   } if (theType == "sketch_shape_selector") {
 426     PartSet_WidgetShapeSelector* aWgt =
 427       new PartSet_WidgetShapeSelector(theParent, workshop(), theWidgetApi, theParentId);
 428     aWgt->setSketcher(mySketchMgr->activeSketch());
 429
 430     theModelWidgets.append(aWgt);
 431     return aWgt->getControl();
 432
 433   } if (theType == "sketch_constraint_shape_selector") {
 434     PartSet_WidgetConstraintShapeSelector* aWgt =
 435       new PartSet_WidgetConstraintShapeSelector(theParent, workshop(), theWidgetApi, theParentId);
 436     aWgt->setSketcher(mySketchMgr->activeSketch());
 437
 438     theModelWidgets.append(aWgt);
 439     return aWgt->getControl();
 440
 441   } else
 442     return 0;
 443 }
 444
 445 bool PartSet_Module::isSketchOperationActive() const
 446 {
 447   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 448
 449   bool isSketchOp = aOperation && aOperation->id().toStdString() == SketchPlugin_Sketch::ID();
 450   return isSketchOp;
 451 }
 452
 453 bool PartSet_Module::isSketchFeatureOperationActive() const
 454 {
 455   bool isCurrentSketchOp = false;
 456   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 457   if (aOperation) {
 458     FeaturePtr aFeature = aOperation->feature();
 459     std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 460               std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 461     isCurrentSketchOp = aSPFeature.get() != NULL;
 462   }
 463   return isCurrentSketchOp;
 464 }
 465
 466 void PartSet_Module::createActions()
 467 {
 468   QAction* aAction = new QAction(QIcon(":pictures/delete.png"), tr("Delete"), this);
 469   addAction("DELETE_PARTSET_CMD", aAction);
 470 }
 471
 472 QAction* PartSet_Module::action(const QString& theId) const
 473 {
 474   if (myActions.contains(theId))
 475     return myActions[theId];
 476   return 0;
 477 }
 478
 479 void PartSet_Module::addAction(const QString& theId, QAction* theAction)
 480 {
 481   if (myActions.contains(theId))
 482     qCritical("A command with Id = '%s' already defined!", qPrintable(theId));
 483   theAction->setData(theId);
 484   connect(theAction, SIGNAL(triggered(bool)), this, SLOT(onAction(bool)));
 485   myActions[theId] = theAction;
 486 }
 487
 488 void PartSet_Module::onAction(bool isChecked)
 489 {
 490   QAction* aAction = static_cast<QAction*>(sender());
 491   QString anId = aAction->data().toString();
 492
 493   if (anId == "DELETE_PARTSET_CMD") {
 494     deleteObjects();
 495   }
 496 }
 497
 498 void PartSet_Module::deleteObjects()
 499 {
 500   bool isSketchOp = isSketchOperationActive();
 501   if (!isSketchOp && !isSketchFeatureOperationActive())
 502     return;
 503
 504   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 505   XGUI_Workshop* aWorkshop = aConnector->workshop();
 506
 507   XGUI_OperationMgr* anOpMgr = aWorkshop->operationMgr();
 508   if (!isSketchOp && anOpMgr->canStopOperation()) {
 509     ModuleBase_Operation* aCurrentOp = anOpMgr->currentOperation();
 510     if (aCurrentOp) {
 511       aCurrentOp->abort();
 512     }
 513   }
 514   // sketch feature should be skipped, only sub-features can be removed
 515   // when sketch operation is active
 516   CompositeFeaturePtr aSketch = mySketchMgr->activeSketch();
 517
 518   ModuleBase_ISelection* aSel = aConnector->selection();
 519   QObjectPtrList aSelectedObj = aSel->selectedPresentations();
 520
 521   std::set<FeaturePtr> aRefFeatures;
 522   foreach (ObjectPtr aObj, aSelectedObj)
 523   {
 524     //ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
 525     //if (aPart) {
 526       // TODO: check for what there is this condition. It is placed here historicaly because
 527       // ther is this condition during remove features.
 528     //} else {
 529     FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
 530     if (aFeature.get() != NULL) {
 531       aObj->document()->refsToFeature(aFeature, aRefFeatures, false);
 532     }
 533     //}
 534   }
 535
 536   if (!aRefFeatures.empty()) {
 537     QStringList aRefNames;
 538     std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
 539                                          aLast = aRefFeatures.end();
 540     for (; anIt != aLast; anIt++) {
 541       FeaturePtr aFeature = (*anIt);
 542       if (aFeature == aSketch)
 543         continue;
 544       aRefNames.append((*anIt)->name().c_str());
 545     }
 546     if (!aRefNames.empty()) {
 547       QString aNames = aRefNames.join(", ");
 548
 549       QMainWindow* aDesktop = aWorkshop->desktop();
 550       QMessageBox::StandardButton aRes = QMessageBox::warning(
 551           aDesktop, tr("Delete features"),
 552           QString(tr("Selected features are used in the following features: %1.\
 553   These features will be deleted also. Would you like to continue?")).arg(aNames),
 554           QMessageBox::No | QMessageBox::Yes, QMessageBox::No);
 555       if (aRes != QMessageBox::Yes)
 556         return;
 557     }
 558   }
 559
 560   SessionPtr aMgr = ModelAPI_Session::get();
 561   aMgr->startOperation("DeletePartSet");
 562   std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
 563                                        aLast = aRefFeatures.end();
 564   for (; anIt != aLast; anIt++) {
 565     FeaturePtr aRefFeature = (*anIt);
 566     if (aRefFeature == aSketch)
 567       continue;
 568     aRefFeature->document()->removeFeature(aRefFeature);
 569   }
 570
 571   foreach (ObjectPtr aObj, aSelectedObj)
 572   {
 573     DocumentPtr aDoc = aObj->document();
 574     //ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
 575     //if (aPart) {
 576     //  if (aDoc == aMgr->activeDocument()) {
 577     //    aDoc->close();
 578     //  }
 579     //} else {
 580       //FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 581     FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
 582     if (aFeature.get() != NULL) {
 583       aDoc->removeFeature(aFeature);
 584     }
 585     //}
 586   }
 587   aWorkshop->displayer()->updateViewer();
 588   //myDisplayer->updateViewer();
 589   aMgr->finishOperation();
 590 }