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_WidgetConstraintShapeSelector.h>
  11 #include <PartSet_SketcherMgr.h>
  12
  13 #include <ModuleBase_Operation.h>
  14 #include <ModuleBase_IViewer.h>
  15 #include <ModuleBase_IViewWindow.h>
  16 #include <ModuleBase_IPropertyPanel.h>
  17 #include <ModuleBase_WidgetEditor.h>
  18 #include <ModuleBase_FilterFactory.h>
  19 #include <ModuleBase_FilterLinearEdge.h>
  20 #include <ModuleBase_FilterFace.h>
  21 #include <ModuleBase_FilterMulti.h>
  22 #include <ModuleBase_FilterCustom.h>
  23 #include <ModuleBase_FilterNoConsructionSubShapes.h>
  24
  25 #include <ModelAPI_Object.h>
  26 #include <ModelAPI_Events.h>
  27 #include <ModelAPI_Validator.h>
  28 #include <ModelAPI_Data.h>
  29 #include <ModelAPI_Session.h>
  30 #include <ModelAPI_ShapeValidator.h>
  31
  32 #include <GeomDataAPI_Point2D.h>
  33 #include <GeomDataAPI_Point.h>
  34 #include <GeomDataAPI_Dir.h>
  35
  36 #include <XGUI_Displayer.h>
  37 #include <XGUI_Workshop.h>
  38 #include <XGUI_OperationMgr.h>
  39 #include <XGUI_PropertyPanel.h>
  40 #include <XGUI_ModuleConnector.h>
  41 #include <XGUI_Tools.h>
  42
  43 #include <SketchPlugin_Feature.h>
  44 #include <SketchPlugin_Sketch.h>
  45 #include <SketchPlugin_Line.h>
  46 //#include <SketchPlugin_Arc.h>
  47 //#include <SketchPlugin_Circle.h>
  48 #include <SketchPlugin_ConstraintLength.h>
  49 #include <SketchPlugin_ConstraintDistance.h>
  50 #include <SketchPlugin_ConstraintParallel.h>
  51 #include <SketchPlugin_ConstraintPerpendicular.h>
  52 #include <SketchPlugin_ConstraintRadius.h>
  53 //#include <SketchPlugin_ConstraintRigid.h>
  54
  55 #include <Events_Loop.h>
  56 #include <Config_PropManager.h>
  57
  58 #include <StdSelect_TypeOfFace.hxx>
  59 #include <TopoDS_Vertex.hxx>
  60 #include <TopoDS.hxx>
  61 #include <TopoDS_Shape.hxx>
  62 #include <BRep_Tool.hxx>
  63
  64 #include <QObject>
  65 #include <QMouseEvent>
  66 #include <QString>
  67 #include <QTimer>
  68 #include <QApplication>
  69 #include <QMessageBox>
  70 #include <QMainWindow>
  71
  72 #include <GeomAlgoAPI_FaceBuilder.h>
  73 #include <GeomDataAPI_Dir.h>
  74
  75 #ifdef _DEBUG
  76 #include <QDebug>
  77 #endif
  78
  79 /*!Create and return new instance of XGUI_Module*/
  80 extern "C" PARTSET_EXPORT ModuleBase_IModule* createModule(ModuleBase_IWorkshop* theWshop)
  81 {
  82   return new PartSet_Module(theWshop);
  83 }
  84
  85 PartSet_Module::PartSet_Module(ModuleBase_IWorkshop* theWshop)
  86   : ModuleBase_IModule(theWshop),
  87   myRestartingMode(RM_None)
  88 {
  89   //myWorkshop = dynamic_cast<XGUI_Workshop*>(theWshop);
  90   mySketchMgr = new PartSet_SketcherMgr(this);
  91
  92   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWshop);
  93   XGUI_Workshop* aWorkshop = aConnector->workshop();
  94
  95   XGUI_OperationMgr* anOpMgr = aWorkshop->operationMgr();
  96   connect(anOpMgr, SIGNAL(keyEnterReleased()), this, SLOT(onEnterReleased()));
  97   connect(anOpMgr, SIGNAL(operationActivatedByPreselection()),
  98           this, SLOT(onOperationActivatedByPreselection()));
  99
 100   ModuleBase_IViewer* aViewer = theWshop->viewer();
 101   connect(aViewer, SIGNAL(keyRelease(ModuleBase_IViewWindow*, QKeyEvent*)),
 102           this, SLOT(onKeyRelease(ModuleBase_IViewWindow*, QKeyEvent*)));
 103
 104   createActions();
 105 }
 106
 107 PartSet_Module::~PartSet_Module()
 108 {
 109   if (!myDocumentShapeFilter.IsNull())
 110     myDocumentShapeFilter.Nullify();
 111 }
 112
 113 void PartSet_Module::registerValidators()
 114 {
 115   //Registering of validators
 116   SessionPtr aMgr = ModelAPI_Session::get();
 117   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
 118   aFactory->registerValidator("PartSet_DistanceValidator", new PartSet_DistanceValidator);
 119   aFactory->registerValidator("PartSet_LengthValidator", new PartSet_LengthValidator);
 120   aFactory->registerValidator("PartSet_PerpendicularValidator", new PartSet_PerpendicularValidator);
 121   aFactory->registerValidator("PartSet_ParallelValidator", new PartSet_ParallelValidator);
 122   aFactory->registerValidator("PartSet_RadiusValidator", new PartSet_RadiusValidator);
 123   aFactory->registerValidator("PartSet_RigidValidator", new PartSet_RigidValidator);
 124   aFactory->registerValidator("PartSet_DifferentObjects", new PartSet_DifferentObjectsValidator);
 125   aFactory->registerValidator("PartSet_DifferentShapes", new ModelAPI_ShapeValidator);
 126   aFactory->registerValidator("PartSet_SketchValidator", new PartSet_SketchValidator);
 127 }
 128
 129 void PartSet_Module::registerFilters()
 130 {
 131   //Registering of selection filters
 132   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 133   ModuleBase_FilterFactory* aFactory = aConnector->selectionFilters();
 134
 135   aFactory->registerFilter("EdgeFilter", new ModuleBase_FilterLinearEdge);
 136   aFactory->registerFilter("FaceFilter", new ModuleBase_FilterFace);
 137   aFactory->registerFilter("MultiFilter", new ModuleBase_FilterMulti);
 138   Handle(SelectMgr_Filter) aSelectFilter = new ModuleBase_FilterNoConsructionSubShapes(workshop());
 139   aFactory->registerFilter("NoConstructionSubShapesFilter",
 140             new ModuleBase_FilterCustom(aSelectFilter));
 141 }
 142
 143 void PartSet_Module::registerProperties()
 144 {
 145   Config_PropManager::registerProp("Sketch planes", "planes_size", "Size", Config_Prop::Double,
 146                                    PLANE_SIZE);
 147   Config_PropManager::registerProp("Sketch planes", "planes_thickness", "Thickness",
 148                                    Config_Prop::Integer, SKETCH_WIDTH);
 149 }
 150
 151 void PartSet_Module::operationCommitted(ModuleBase_Operation* theOperation)
 152 {
 153   if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 154     mySketchMgr->commitNestedSketch(theOperation);
 155   }
 156
 157   if (theOperation->isEditOperation())
 158     return;
 159   // the selection is cleared after commit the create operation
 160   // in order to do not use the same selected objects in the restarted operation
 161   // for common behaviour, the selection is cleared even if the operation is not restarted
 162   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 163   if (!aContext.IsNull())
 164     aContext->ClearSelected();
 165
 166   /// Restart sketcher operations automatically
 167   FeaturePtr aFeature = theOperation->feature();
 168   std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 169             std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 170   if (aSPFeature && (myRestartingMode == RM_LastFeatureUsed ||
 171                      myRestartingMode == RM_EmptyFeatureUsed)) {
 172     myLastOperationId = theOperation->id();
 173     myLastFeature = myRestartingMode == RM_LastFeatureUsed ? theOperation->feature() : FeaturePtr();
 174
 175     launchOperation(myLastOperationId);
 176   }
 177   breakOperationSequence();
 178 }
 179
 180 void PartSet_Module::breakOperationSequence()
 181 {
 182   myLastOperationId = "";
 183   myLastFeature = FeaturePtr();
 184   myRestartingMode = RM_None;
 185 }
 186
 187 void PartSet_Module::operationAborted(ModuleBase_Operation* theOperation)
 188 {
 189   breakOperationSequence();
 190 }
 191
 192 void PartSet_Module::operationStarted(ModuleBase_Operation* theOperation)
 193 {
 194   if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
 195     mySketchMgr->startSketch(theOperation);
 196   }
 197   else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 198     mySketchMgr->startNestedSketch(theOperation);
 199   }
 200
 201   if (myDocumentShapeFilter.IsNull())
 202     myDocumentShapeFilter = new PartSet_GlobalFilter(myWorkshop);
 203   myWorkshop->viewer()->addSelectionFilter(myDocumentShapeFilter);
 204 }
 205
 206 void PartSet_Module::operationStopped(ModuleBase_Operation* theOperation)
 207 {
 208   if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
 209     mySketchMgr->stopSketch(theOperation);
 210   }
 211   else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 212     mySketchMgr->stopNestedSketch(theOperation);
 213   }
 214   myWorkshop->viewer()->removeSelectionFilter(myDocumentShapeFilter);
 215 }
 216
 217 bool PartSet_Module::canUndo() const
 218 {
 219   bool aCanUndo = false;
 220   SessionPtr aMgr = ModelAPI_Session::get();
 221   if (aMgr->hasModuleDocument() && aMgr->canUndo()) {
 222     aCanUndo = !aMgr->isOperation();
 223     if (!aCanUndo) // check the enable state additionally by sketch manager
 224       aCanUndo = aMgr->canUndo();
 225   }
 226   return aCanUndo;
 227 }
 228
 229 bool PartSet_Module::canRedo() const
 230 {
 231   bool aCanRedo = false;
 232   SessionPtr aMgr = ModelAPI_Session::get();
 233   if (aMgr->hasModuleDocument() && aMgr->canRedo()) {
 234     aCanRedo = !aMgr->isOperation();
 235     if (!aCanRedo) // check the enable state additionally by sketch manager
 236       aCanRedo = aMgr->canRedo();
 237   }
 238   return aCanRedo;
 239 }
 240
 241 bool PartSet_Module::canDisplayObject(const ObjectPtr& theObject) const
 242 {
 243   bool aCanDisplay = false;
 244   if (!mySketchMgr->canDisplayObject())
 245     return aCanDisplay;
 246   CompositeFeaturePtr aSketchFeature = mySketchMgr->activeSketch();
 247   if (aSketchFeature.get() != NULL) {
 248     FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
 249
 250     // MPV: the second and third conditions to avoid crash on exit for application
 251     if (aFeature.get() != NULL && aFeature->data().get() && aFeature->data()->isValid()) {
 252       if (aFeature == aSketchFeature) {
 253         aCanDisplay = false;
 254       }
 255       else if (aSketchFeature.get() && aSketchFeature->data().get() &&
 256                aSketchFeature->data()->isValid()) {
 257         for (int i = 0; i < aSketchFeature->numberOfSubs() && !aCanDisplay; i++) {
 258           FeaturePtr aSubFeature = aSketchFeature->subFeature(i);
 259           std::list<ResultPtr> aResults = aSubFeature->results();
 260           std::list<ResultPtr>::const_iterator aIt;
 261           for (aIt = aResults.begin(); aIt != aResults.end() && !aCanDisplay; ++aIt) {
 262             if (theObject == (*aIt))
 263               aCanDisplay = true;
 264           }
 265           if (aSubFeature == theObject)
 266             aCanDisplay = true;
 267         }
 268       }
 269     }
 270   }
 271   else {
 272     aCanDisplay = ModuleBase_IModule::canDisplayObject(theObject);
 273   }
 274   return aCanDisplay;
 275 }
 276
 277 void PartSet_Module::addViewerItems(QMenu* theMenu) const
 278 {
 279   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 280   if (!PartSet_SketcherMgr::isSketchOperation(anOperation) &&
 281       !PartSet_SketcherMgr::isNestedSketchOperation(anOperation))
 282     return;
 283
 284   ModuleBase_ISelection* aSelection = myWorkshop->selection();
 285   QObjectPtrList aObjects = aSelection->selectedPresentations();
 286   if (aObjects.size() > 0) {
 287     bool hasFeature = false;
 288     foreach(ObjectPtr aObject, aObjects)
 289     {
 290       FeaturePtr aFeature = ModelAPI_Feature::feature(aObject);
 291       if (aFeature.get() != NULL) {
 292         hasFeature = true;
 293       }
 294     }
 295     if (hasFeature)
 296       theMenu->addAction(action("DELETE_PARTSET_CMD"));
 297   }
 298 }
 299
 300 void PartSet_Module::propertyPanelDefined(ModuleBase_Operation* theOperation)
 301 {
 302   ModuleBase_IPropertyPanel* aPanel = theOperation->propertyPanel();
 303   if (PartSet_SketcherMgr::isSketchOperation(theOperation) &&  (theOperation->isEditOperation())) {
 304     // we have to manually activate the sketch label in edit mode
 305       aPanel->activateWidget(aPanel->modelWidgets().first());
 306       return;
 307   }
 308
 309   // Restart last operation type
 310   if ((theOperation->id() == myLastOperationId) && myLastFeature) {
 311     ModuleBase_ModelWidget* aWgt = aPanel->activeWidget();
 312     if (theOperation->id().toStdString() == SketchPlugin_Line::ID()) {
 313       // Initialise new line with first point equal to end of previous
 314       PartSet_WidgetPoint2D* aPnt2dWgt = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
 315       if (aPnt2dWgt) {
 316         std::shared_ptr<ModelAPI_Data> aData = myLastFeature->data();
 317         std::shared_ptr<GeomDataAPI_Point2D> aPoint =
 318           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::END_ID()));
 319         if (aPoint) {
 320           aPnt2dWgt->setPoint(aPoint->x(), aPoint->y());
 321           PartSet_Tools::setConstraints(mySketchMgr->activeSketch(), theOperation->feature(),
 322             aWgt->attributeID(), aPoint->x(), aPoint->y());
 323           aPanel->activateNextWidget(aPnt2dWgt);
 324         }
 325       }
 326     }
 327   } else {
 328     // Start editing constraint
 329     if (theOperation->isEditOperation()) {
 330       // TODO: #391 - to be removed
 331       std::string aId = theOperation->id().toStdString();
 332       if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation) &&
 333           PartSet_SketcherMgr::isDistanceOperation(theOperation)) {
 334         // Find and activate widget for management of point for dimension line position
 335         QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
 336         foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
 337           PartSet_WidgetPoint2D* aPntWgt = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
 338           if (aPntWgt) {
 339             aPanel->activateWidget(aPntWgt);
 340             return;
 341           }
 342         }
 343       }
 344     }
 345   }
 346 }
 347
 348
 349 void PartSet_Module::onSelectionChanged()
 350 {
 351   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 352   if (!aOperation)
 353     return;
 354
 355   bool isSketcherOp = false;
 356   // An edit operation is enable only if the current opeation is the sketch operation
 357   if (mySketchMgr->activeSketch()) {
 358     if (PartSet_Tools::sketchPlane(mySketchMgr->activeSketch()))
 359       isSketcherOp = PartSet_SketcherMgr::isSketchOperation(aOperation);
 360   }
 361   if (isSketcherOp) {
 362     // Editing of constraints can be done on selection
 363     ModuleBase_ISelection* aSelect = myWorkshop->selection();
 364     QList<ModuleBase_ViewerPrs> aSelected = aSelect->getSelected();
 365     if (aSelected.size() == 1) {
 366       ModuleBase_ViewerPrs aPrs = aSelected.first();
 367       ObjectPtr aObject = aPrs.object();
 368       FeaturePtr aFeature = ModelAPI_Feature::feature(aObject);
 369       if (aFeature) {
 370         std::string aId = aFeature->getKind();
 371         if ((aId == SketchPlugin_ConstraintRadius::ID()) ||
 372             (aId == SketchPlugin_ConstraintLength::ID()) ||
 373             (aId == SketchPlugin_ConstraintDistance::ID())) {
 374           editFeature(aFeature);
 375         }
 376       }
 377     }
 378   }
 379 }
 380
 381 void PartSet_Module::onKeyRelease(ModuleBase_IViewWindow* theWnd, QKeyEvent* theEvent)
 382 {
 383   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 384   XGUI_OperationMgr* anOpMgr = aConnector->workshop()->operationMgr();
 385   anOpMgr->onKeyReleased(theEvent);
 386 }
 387
 388 void PartSet_Module::onEnterReleased()
 389 {
 390   myRestartingMode = RM_EmptyFeatureUsed;
 391 }
 392
 393 void PartSet_Module::onOperationActivatedByPreselection()
 394 {
 395   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 396   if(anOperation && PartSet_SketcherMgr::isNestedSketchOperation(anOperation)) {
 397     // Set final definitions if they are necessary
 398     //propertyPanelDefined(aOperation);
 399
 400     /// Commit sketcher operations automatically
 401     anOperation->commit();
 402   }
 403 }
 404
 405 void PartSet_Module::onNoMoreWidgets()
 406 {
 407   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 408   if (PartSet_SketcherMgr::isNestedSketchOperation(anOperation)) {
 409     if (anOperation) {
 410       if (myRestartingMode != RM_Forbided)
 411         myRestartingMode = RM_LastFeatureUsed;
 412       anOperation->commit();
 413     }
 414   }
 415 }
 416
 417 void PartSet_Module::onVertexSelected()
 418 {
 419   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 420   if (aOperation->id().toStdString() == SketchPlugin_Line::ID()) {
 421     /// If last line finished on vertex the lines creation sequence has to be break
 422     ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 423     const QList<ModuleBase_ModelWidget*>& aWidgets = aPanel->modelWidgets();
 424     if (aWidgets.last() == aPanel->activeWidget()) {
 425       myRestartingMode = RM_Forbided;
 426     }
 427   }
 428 }
 429
 430 QWidget* PartSet_Module::createWidgetByType(const std::string& theType, QWidget* theParent,
 431                                             Config_WidgetAPI* theWidgetApi, std::string theParentId,
 432                                             QList<ModuleBase_ModelWidget*>& theModelWidgets)
 433 {
 434   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 435   XGUI_Workshop* aWorkshop = aConnector->workshop();
 436   ModuleBase_ModelWidget* aWgt = NULL;
 437   if (theType == "sketch-start-label") {
 438     PartSet_WidgetSketchLabel* aLabelWgt = new PartSet_WidgetSketchLabel(theParent, theWidgetApi, theParentId);
 439     aLabelWgt->setWorkshop(aWorkshop);
 440     connect(aLabelWgt, SIGNAL(planeSelected(const std::shared_ptr<GeomAPI_Pln>&)),
 441       mySketchMgr, SLOT(onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>&)));
 442     aWgt = aLabelWgt;
 443   } else if (theType == "sketch-2dpoint_selector") {
 444     PartSet_WidgetPoint2D* aPointWgt = new PartSet_WidgetPoint2D(theParent, theWidgetApi, theParentId);
 445     aPointWgt->setWorkshop(aWorkshop);
 446     aPointWgt->setSketch(mySketchMgr->activeSketch());
 447     connect(aPointWgt, SIGNAL(vertexSelected()), this, SLOT(onVertexSelected()));
 448     aWgt = aPointWgt;
 449   } if (theType == "point2ddistance") {
 450     PartSet_WidgetPoint2dDistance* aDistanceWgt = new PartSet_WidgetPoint2dDistance(theParent, theWidgetApi, theParentId);
 451     aDistanceWgt->setWorkshop(aWorkshop);
 452     aDistanceWgt->setSketch(mySketchMgr->activeSketch());
 453     aWgt = aDistanceWgt;
 454   } if (theType == "sketch_shape_selector") {
 455     PartSet_WidgetShapeSelector* aShapeSelectorWgt =
 456       new PartSet_WidgetShapeSelector(theParent, workshop(), theWidgetApi, theParentId);
 457     aShapeSelectorWgt->setSketcher(mySketchMgr->activeSketch());
 458     aWgt = aShapeSelectorWgt;
 459   } if (theType == "sketch_constraint_shape_selector") {
 460     PartSet_WidgetConstraintShapeSelector* aConstraintShapeSelectorWgt =
 461       new PartSet_WidgetConstraintShapeSelector(theParent, workshop(), theWidgetApi, theParentId);
 462     aConstraintShapeSelectorWgt->setSketcher(mySketchMgr->activeSketch());
 463     aWgt = aConstraintShapeSelectorWgt;
 464   }
 465   if(aWgt)
 466     theModelWidgets.append(aWgt);
 467   return aWgt;
 468 }
 469
 470 void PartSet_Module::createActions()
 471 {
 472   QAction* aAction = new QAction(QIcon(":pictures/delete.png"), tr("Delete"), this);
 473   addAction("DELETE_PARTSET_CMD", aAction);
 474 }
 475
 476 QAction* PartSet_Module::action(const QString& theId) const
 477 {
 478   if (myActions.contains(theId))
 479     return myActions[theId];
 480   return 0;
 481 }
 482
 483 void PartSet_Module::addAction(const QString& theId, QAction* theAction)
 484 {
 485   if (myActions.contains(theId))
 486     qCritical("A command with Id = '%s' already defined!", qPrintable(theId));
 487   theAction->setData(theId);
 488   connect(theAction, SIGNAL(triggered(bool)), this, SLOT(onAction(bool)));
 489   myActions[theId] = theAction;
 490 }
 491
 492 void PartSet_Module::onAction(bool isChecked)
 493 {
 494   QAction* aAction = static_cast<QAction*>(sender());
 495   QString anId = aAction->data().toString();
 496
 497   if (anId == "DELETE_PARTSET_CMD") {
 498     deleteObjects();
 499   }
 500 }
 501
 502 void PartSet_Module::deleteObjects()
 503 {
 504   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 505   bool isSketchOp = PartSet_SketcherMgr::isSketchOperation(anOperation);
 506   if (!isSketchOp && !PartSet_SketcherMgr::isNestedSketchOperation(anOperation))
 507     return;
 508
 509   // sketch feature should be skipped, only sub-features can be removed
 510   // when sketch operation is active
 511   CompositeFeaturePtr aSketch = mySketchMgr->activeSketch();
 512
 513   // selected objects should be collected before the current operation abort because
 514   // the abort leads to selection lost on constraint objects. It can be corrected after #386 issue
 515   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 516   ModuleBase_ISelection* aSel = aConnector->selection();
 517   QObjectPtrList aSelectedObj = aSel->selectedPresentations();
 518
 519   XGUI_Workshop* aWorkshop = aConnector->workshop();
 520   XGUI_OperationMgr* anOpMgr = aWorkshop->operationMgr();
 521   if (!isSketchOp && anOpMgr->canStopOperation()) {
 522     ModuleBase_Operation* aCurrentOp = anOpMgr->currentOperation();
 523     if (aCurrentOp) {
 524       aCurrentOp->abort();
 525     }
 526   }
 527   std::set<FeaturePtr> aRefFeatures;
 528   foreach (ObjectPtr aObj, aSelectedObj)
 529   {
 530     //ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
 531     //if (aPart) {
 532       // TODO: check for what there is this condition. It is placed here historicaly because
 533       // ther is this condition during remove features.
 534     //} else {
 535     FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
 536     if (aFeature.get() != NULL) {
 537       aObj->document()->refsToFeature(aFeature, aRefFeatures, false);
 538     }
 539     //}
 540   }
 541   QString aDescription = tr("Delete");
 542   /**
 543   // according to #355 feature, it is not necessary to inform about dependencies during
 544   // sketch delete operation
 545   //
 546   if (!aRefFeatures.empty()) {
 547     QStringList aRefNames;
 548     std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
 549                                          aLast = aRefFeatures.end();
 550     for (; anIt != aLast; anIt++) {
 551       FeaturePtr aFeature = (*anIt);
 552       if (aFeature == aSketch)
 553         continue;
 554       aRefNames.append((*anIt)->name().c_str());
 555     }
 556     if (!aRefNames.empty()) {
 557       QString aNames = aRefNames.join(", ");
 558       aDescription += aNames.prepend(" ");
 559
 560       QMainWindow* aDesktop = aWorkshop->desktop();
 561       QMessageBox::StandardButton aRes = QMessageBox::warning(
 562           aDesktop, tr("Delete features"),
 563           QString(tr("Selected features are used in the following features: %1.\
 564   These features will be deleted also. Would you like to continue?")).arg(aNames),
 565           QMessageBox::No | QMessageBox::Yes, QMessageBox::No);
 566       if (aRes != QMessageBox::Yes)
 567         return;
 568     }
 569   }*/
 570
 571   SessionPtr aMgr = ModelAPI_Session::get();
 572   aMgr->startOperation(aDescription.toStdString());
 573   std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
 574                                        aLast = aRefFeatures.end();
 575   for (; anIt != aLast; anIt++) {
 576     FeaturePtr aRefFeature = (*anIt);
 577     if (aRefFeature == aSketch)
 578       continue;
 579     aRefFeature->document()->removeFeature(aRefFeature);
 580   }
 581
 582   foreach (ObjectPtr aObj, aSelectedObj)
 583   {
 584     DocumentPtr aDoc = aObj->document();
 585     //ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
 586     //if (aPart) {
 587     //  if (aDoc == aMgr->activeDocument()) {
 588     //    aDoc->close();
 589     //  }
 590     //} else {
 591       //FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 592     FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
 593     if (aFeature.get() != NULL) {
 594       aDoc->removeFeature(aFeature);
 595     }
 596     //}
 597   }
 598   aWorkshop->displayer()->updateViewer();
 599   //myDisplayer->updateViewer();
 600   aMgr->finishOperation();
 601 }