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 (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 153     mySketchMgr->commitNestedSketch(theOperation);
 154   }
 155
 156   if (theOperation->isEditOperation())
 157     return;
 158   // the selection is cleared after commit the create operation
 159   // in order to do not use the same selected objects in the restarted operation
 160   // for common behaviour, the selection is cleared even if the operation is not restarted
 161   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 162   if (!aContext.IsNull())
 163     aContext->ClearSelected();
 164
 165   /// Restart sketcher operations automatically
 166   FeaturePtr aFeature = theOperation->feature();
 167   std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 168             std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 169   if (aSPFeature && (myRestartingMode == RM_LastFeatureUsed ||
 170                      myRestartingMode == RM_EmptyFeatureUsed)) {
 171     myLastOperationId = theOperation->id();
 172     myLastFeature = myRestartingMode == RM_LastFeatureUsed ? theOperation->feature() : FeaturePtr();
 173
 174     launchOperation(myLastOperationId);
 175   }
 176   breakOperationSequence();
 177 }
 178
 179 void PartSet_Module::breakOperationSequence()
 180 {
 181   myLastOperationId = "";
 182   myLastFeature = FeaturePtr();
 183   myRestartingMode = RM_None;
 184 }
 185
 186 void PartSet_Module::operationAborted(ModuleBase_Operation* theOperation)
 187 {
 188   breakOperationSequence();
 189 }
 190
 191 void PartSet_Module::operationStarted(ModuleBase_Operation* theOperation)
 192 {
 193   if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
 194     mySketchMgr->startSketch(theOperation);
 195   }
 196   else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 197     mySketchMgr->startNestedSketch(theOperation);
 198   }
 199
 200   if (myDocumentShapeFilter.IsNull())
 201     myDocumentShapeFilter = new PartSet_GlobalFilter(myWorkshop);
 202   myWorkshop->viewer()->addSelectionFilter(myDocumentShapeFilter);
 203 }
 204
 205 void PartSet_Module::operationStopped(ModuleBase_Operation* theOperation)
 206 {
 207   if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
 208     mySketchMgr->stopSketch(theOperation);
 209   }
 210   else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 211     mySketchMgr->stopNestedSketch(theOperation);
 212   }
 213   myWorkshop->viewer()->removeSelectionFilter(myDocumentShapeFilter);
 214 }
 215
 216 bool PartSet_Module::canUndo() const
 217 {
 218   bool aCanUndo = false;
 219   SessionPtr aMgr = ModelAPI_Session::get();
 220   if (aMgr->hasModuleDocument() && aMgr->canUndo()) {
 221     aCanUndo = !aMgr->isOperation();
 222     if (!aCanUndo) // check the enable state additionally by sketch manager
 223       aCanUndo = aMgr->canUndo();
 224   }
 225   return aCanUndo;
 226 }
 227
 228 bool PartSet_Module::canRedo() const
 229 {
 230   bool aCanRedo = false;
 231   SessionPtr aMgr = ModelAPI_Session::get();
 232   if (aMgr->hasModuleDocument() && aMgr->canRedo()) {
 233     aCanRedo = !aMgr->isOperation();
 234     if (!aCanRedo) // check the enable state additionally by sketch manager
 235       aCanRedo = aMgr->canRedo();
 236   }
 237   return aCanRedo;
 238 }
 239
 240 bool PartSet_Module::canDisplayObject(const ObjectPtr& theObject) const
 241 {
 242   bool aCanDisplay = false;
 243   if (!mySketchMgr->canDisplayObject())
 244     return aCanDisplay;
 245   CompositeFeaturePtr aSketchFeature = mySketchMgr->activeSketch();
 246   if (aSketchFeature.get() != NULL) {
 247     FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
 248
 249     // MPV: the second and third conditions to avoid crash on exit for application
 250     if (aFeature.get() != NULL && aFeature->data().get() && aFeature->data()->isValid()) {
 251       if (aFeature == aSketchFeature) {
 252         aCanDisplay = false;
 253       }
 254       else if (aSketchFeature.get() && aSketchFeature->data().get() &&
 255                aSketchFeature->data()->isValid()) {
 256         for (int i = 0; i < aSketchFeature->numberOfSubs() && !aCanDisplay; i++) {
 257           FeaturePtr aSubFeature = aSketchFeature->subFeature(i);
 258           std::list<ResultPtr> aResults = aSubFeature->results();
 259           std::list<ResultPtr>::const_iterator aIt;
 260           for (aIt = aResults.begin(); aIt != aResults.end() && !aCanDisplay; ++aIt) {
 261             if (theObject == (*aIt))
 262               aCanDisplay = true;
 263           }
 264           if (aSubFeature == theObject)
 265             aCanDisplay = true;
 266         }
 267       }
 268     }
 269   }
 270   else {
 271     aCanDisplay = ModuleBase_IModule::canDisplayObject(theObject);
 272   }
 273   return aCanDisplay;
 274 }
 275
 276 void PartSet_Module::addViewerItems(QMenu* theMenu) const
 277 {
 278   if (!PartSet_SketcherMgr::isSketchOperation(myWorkshop->currentOperation()) &&
 279       !isSketchFeatureOperationActive())
 280     return;
 281   ModuleBase_ISelection* aSelection = myWorkshop->selection();
 282   QObjectPtrList aObjects = aSelection->selectedPresentations();
 283   if (aObjects.size() > 0) {
 284     bool hasFeature = false;
 285     foreach(ObjectPtr aObject, aObjects)
 286     {
 287       FeaturePtr aFeature = ModelAPI_Feature::feature(aObject);
 288       if (aFeature.get() != NULL) {
 289         hasFeature = true;
 290       }
 291     }
 292     if (hasFeature)
 293       theMenu->addAction(action("DELETE_PARTSET_CMD"));
 294   }
 295 }
 296
 297 void PartSet_Module::propertyPanelDefined(ModuleBase_Operation* theOperation)
 298 {
 299   ModuleBase_IPropertyPanel* aPanel = theOperation->propertyPanel();
 300   if (PartSet_SketcherMgr::isSketchOperation(theOperation) &&  (theOperation->isEditOperation())) {
 301     // we have to manually activate the sketch label in edit mode
 302       aPanel->activateWidget(aPanel->modelWidgets().first());
 303       return;
 304   }
 305
 306   // Restart last operation type
 307   if ((theOperation->id() == myLastOperationId) && myLastFeature) {
 308     ModuleBase_ModelWidget* aWgt = aPanel->activeWidget();
 309     if (theOperation->id().toStdString() == SketchPlugin_Line::ID()) {
 310       // Initialise new line with first point equal to end of previous
 311       PartSet_WidgetPoint2D* aPnt2dWgt = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
 312       if (aPnt2dWgt) {
 313         std::shared_ptr<ModelAPI_Data> aData = myLastFeature->data();
 314         std::shared_ptr<GeomDataAPI_Point2D> aPoint =
 315           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::END_ID()));
 316         if (aPoint) {
 317           aPnt2dWgt->setPoint(aPoint->x(), aPoint->y());
 318           PartSet_Tools::setConstraints(mySketchMgr->activeSketch(), theOperation->feature(),
 319             aWgt->attributeID(), aPoint->x(), aPoint->y());
 320           aPanel->activateNextWidget(aPnt2dWgt);
 321         }
 322       }
 323     }
 324   } else {
 325     // Start editing constraint
 326     if (theOperation->isEditOperation()) {
 327       // TODO: #391 - to be removed
 328       std::string aId = theOperation->id().toStdString();
 329       if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation) &&
 330           PartSet_SketcherMgr::isDistanceOperation(theOperation)) {
 331         // Find and activate widget for management of point for dimension line position
 332         QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
 333         foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
 334           PartSet_WidgetPoint2D* aPntWgt = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
 335           if (aPntWgt) {
 336             aPanel->activateWidget(aPntWgt);
 337             return;
 338           }
 339         }
 340       }
 341     }
 342   }
 343 }
 344
 345
 346 void PartSet_Module::onSelectionChanged()
 347 {
 348   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 349   if (!aOperation)
 350     return;
 351
 352   bool isSketcherOp = false;
 353   // An edit operation is enable only if the current opeation is the sketch operation
 354   if (mySketchMgr->activeSketch()) {
 355     if (PartSet_Tools::sketchPlane(mySketchMgr->activeSketch()))
 356       isSketcherOp = PartSet_SketcherMgr::isSketchOperation(aOperation);
 357   }
 358   if (isSketcherOp) {
 359     // Editing of constraints can be done on selection
 360     ModuleBase_ISelection* aSelect = myWorkshop->selection();
 361     QList<ModuleBase_ViewerPrs> aSelected = aSelect->getSelected();
 362     if (aSelected.size() == 1) {
 363       ModuleBase_ViewerPrs aPrs = aSelected.first();
 364       ObjectPtr aObject = aPrs.object();
 365       FeaturePtr aFeature = ModelAPI_Feature::feature(aObject);
 366       if (aFeature) {
 367         std::string aId = aFeature->getKind();
 368         if ((aId == SketchPlugin_ConstraintRadius::ID()) ||
 369             (aId == SketchPlugin_ConstraintLength::ID()) ||
 370             (aId == SketchPlugin_ConstraintDistance::ID())) {
 371           editFeature(aFeature);
 372         }
 373       }
 374     }
 375   }
 376 }
 377
 378 void PartSet_Module::onKeyRelease(ModuleBase_IViewWindow* theWnd, QKeyEvent* theEvent)
 379 {
 380   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 381   XGUI_OperationMgr* anOpMgr = aConnector->workshop()->operationMgr();
 382   anOpMgr->onKeyReleased(theEvent);
 383 }
 384
 385 void PartSet_Module::onEnterReleased()
 386 {
 387   myRestartingMode = RM_EmptyFeatureUsed;
 388 }
 389
 390 void PartSet_Module::onOperationActivatedByPreselection()
 391 {
 392   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 393   if(aOperation && isSketchFeatureOperationActive()) {
 394     // Set final definitions if they are necessary
 395     //propertyPanelDefined(aOperation);
 396
 397     /// Commit sketcher operations automatically
 398     aOperation->commit();
 399   }
 400 }
 401
 402 void PartSet_Module::onNoMoreWidgets()
 403 {
 404   if (isSketchFeatureOperationActive()) {
 405     ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 406     if (aOperation) {
 407       if (myRestartingMode != RM_Forbided)
 408         myRestartingMode = RM_LastFeatureUsed;
 409       aOperation->commit();
 410     }
 411   }
 412 }
 413
 414 void PartSet_Module::onVertexSelected()
 415 {
 416   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 417   if (aOperation->id().toStdString() == SketchPlugin_Line::ID()) {
 418     /// If last line finished on vertex the lines creation sequence has to be break
 419     ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 420     const QList<ModuleBase_ModelWidget*>& aWidgets = aPanel->modelWidgets();
 421     if (aWidgets.last() == aPanel->activeWidget()) {
 422       myRestartingMode = RM_Forbided;
 423     }
 424   }
 425 }
 426
 427 QWidget* PartSet_Module::createWidgetByType(const std::string& theType, QWidget* theParent,
 428                                             Config_WidgetAPI* theWidgetApi, std::string theParentId,
 429                                             QList<ModuleBase_ModelWidget*>& theModelWidgets)
 430 {
 431   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 432   XGUI_Workshop* aWorkshop = aConnector->workshop();
 433   if (theType == "sketch-start-label") {
 434     PartSet_WidgetSketchLabel* aWgt = new PartSet_WidgetSketchLabel(theParent, theWidgetApi, theParentId);
 435     aWgt->setWorkshop(aWorkshop);
 436     connect(aWgt, SIGNAL(planeSelected(const std::shared_ptr<GeomAPI_Pln>&)),
 437       mySketchMgr, SLOT(onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>&)));
 438     theModelWidgets.append(aWgt);
 439     return aWgt->getControl();
 440
 441   } else if (theType == "sketch-2dpoint_selector") {
 442     PartSet_WidgetPoint2D* aWgt = new PartSet_WidgetPoint2D(theParent, theWidgetApi, theParentId);
 443     aWgt->setWorkshop(aWorkshop);
 444     aWgt->setSketch(mySketchMgr->activeSketch());
 445
 446     connect(aWgt, SIGNAL(vertexSelected()), this, SLOT(onVertexSelected()));
 447
 448     theModelWidgets.append(aWgt);
 449     return aWgt->getControl();
 450
 451   } if (theType == "point2ddistance") {
 452     PartSet_WidgetPoint2dDistance* aWgt = new PartSet_WidgetPoint2dDistance(theParent, theWidgetApi, theParentId);
 453     aWgt->setWorkshop(aWorkshop);
 454     aWgt->setSketch(mySketchMgr->activeSketch());
 455
 456     theModelWidgets.append(aWgt);
 457     return aWgt->getControl();
 458
 459   } if (theType == "sketch_shape_selector") {
 460     PartSet_WidgetShapeSelector* aWgt =
 461       new PartSet_WidgetShapeSelector(theParent, workshop(), theWidgetApi, theParentId);
 462     aWgt->setSketcher(mySketchMgr->activeSketch());
 463
 464     theModelWidgets.append(aWgt);
 465     return aWgt->getControl();
 466
 467   } if (theType == "sketch_constraint_shape_selector") {
 468     PartSet_WidgetConstraintShapeSelector* aWgt =
 469       new PartSet_WidgetConstraintShapeSelector(theParent, workshop(), theWidgetApi, theParentId);
 470     aWgt->setSketcher(mySketchMgr->activeSketch());
 471
 472     theModelWidgets.append(aWgt);
 473     return aWgt->getControl();
 474
 475   } else
 476     return 0;
 477 }
 478
 479 bool PartSet_Module::isSketchFeatureOperationActive() const
 480 {
 481   bool isCurrentSketchOp = false;
 482   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 483   if (aOperation) {
 484     FeaturePtr aFeature = aOperation->feature();
 485     std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 486               std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 487     isCurrentSketchOp = aSPFeature.get() != NULL;
 488   }
 489   return isCurrentSketchOp;
 490 }
 491
 492 void PartSet_Module::createActions()
 493 {
 494   QAction* aAction = new QAction(QIcon(":pictures/delete.png"), tr("Delete"), this);
 495   addAction("DELETE_PARTSET_CMD", aAction);
 496 }
 497
 498 QAction* PartSet_Module::action(const QString& theId) const
 499 {
 500   if (myActions.contains(theId))
 501     return myActions[theId];
 502   return 0;
 503 }
 504
 505 void PartSet_Module::addAction(const QString& theId, QAction* theAction)
 506 {
 507   if (myActions.contains(theId))
 508     qCritical("A command with Id = '%s' already defined!", qPrintable(theId));
 509   theAction->setData(theId);
 510   connect(theAction, SIGNAL(triggered(bool)), this, SLOT(onAction(bool)));
 511   myActions[theId] = theAction;
 512 }
 513
 514 void PartSet_Module::onAction(bool isChecked)
 515 {
 516   QAction* aAction = static_cast<QAction*>(sender());
 517   QString anId = aAction->data().toString();
 518
 519   if (anId == "DELETE_PARTSET_CMD") {
 520     deleteObjects();
 521   }
 522 }
 523
 524 void PartSet_Module::deleteObjects()
 525 {
 526   bool isSketchOp = PartSet_SketcherMgr::isSketchOperation(myWorkshop->currentOperation());
 527   if (!isSketchOp && !isSketchFeatureOperationActive())
 528     return;
 529
 530   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 531   XGUI_Workshop* aWorkshop = aConnector->workshop();
 532
 533   XGUI_OperationMgr* anOpMgr = aWorkshop->operationMgr();
 534   if (!isSketchOp && anOpMgr->canStopOperation()) {
 535     ModuleBase_Operation* aCurrentOp = anOpMgr->currentOperation();
 536     if (aCurrentOp) {
 537       aCurrentOp->abort();
 538     }
 539   }
 540   // sketch feature should be skipped, only sub-features can be removed
 541   // when sketch operation is active
 542   CompositeFeaturePtr aSketch = mySketchMgr->activeSketch();
 543
 544   ModuleBase_ISelection* aSel = aConnector->selection();
 545   QObjectPtrList aSelectedObj = aSel->selectedPresentations();
 546
 547   std::set<FeaturePtr> aRefFeatures;
 548   foreach (ObjectPtr aObj, aSelectedObj)
 549   {
 550     //ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
 551     //if (aPart) {
 552       // TODO: check for what there is this condition. It is placed here historicaly because
 553       // ther is this condition during remove features.
 554     //} else {
 555     FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
 556     if (aFeature.get() != NULL) {
 557       aObj->document()->refsToFeature(aFeature, aRefFeatures, false);
 558     }
 559     //}
 560   }
 561
 562   QString aDescription = tr("Delete");
 563   if (!aRefFeatures.empty()) {
 564     QStringList aRefNames;
 565     std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
 566                                          aLast = aRefFeatures.end();
 567     for (; anIt != aLast; anIt++) {
 568       FeaturePtr aFeature = (*anIt);
 569       if (aFeature == aSketch)
 570         continue;
 571       aRefNames.append((*anIt)->name().c_str());
 572     }
 573     if (!aRefNames.empty()) {
 574       QString aNames = aRefNames.join(", ");
 575       aDescription += aNames.prepend(" ");
 576
 577       QMainWindow* aDesktop = aWorkshop->desktop();
 578       QMessageBox::StandardButton aRes = QMessageBox::warning(
 579           aDesktop, tr("Delete features"),
 580           QString(tr("Selected features are used in the following features: %1.\
 581   These features will be deleted also. Would you like to continue?")).arg(aNames),
 582           QMessageBox::No | QMessageBox::Yes, QMessageBox::No);
 583       if (aRes != QMessageBox::Yes)
 584         return;
 585     }
 586   }
 587
 588   SessionPtr aMgr = ModelAPI_Session::get();
 589   aMgr->startOperation(aDescription.toStdString());
 590   std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
 591                                        aLast = aRefFeatures.end();
 592   for (; anIt != aLast; anIt++) {
 593     FeaturePtr aRefFeature = (*anIt);
 594     if (aRefFeature == aSketch)
 595       continue;
 596     aRefFeature->document()->removeFeature(aRefFeature);
 597   }
 598
 599   foreach (ObjectPtr aObj, aSelectedObj)
 600   {
 601     DocumentPtr aDoc = aObj->document();
 602     //ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
 603     //if (aPart) {
 604     //  if (aDoc == aMgr->activeDocument()) {
 605     //    aDoc->close();
 606     //  }
 607     //} else {
 608       //FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 609     FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
 610     if (aFeature.get() != NULL) {
 611       aDoc->removeFeature(aFeature);
 612     }
 613     //}
 614   }
 615   aWorkshop->displayer()->updateViewer();
 616   //myDisplayer->updateViewer();
 617   aMgr->finishOperation();
 618 }