src/PartSet/PartSet_SketcherMgr.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        PartSet_SketcherMgr.cpp
   4 // Created:     19 Dec 2014
   5 // Author:      Vitaly SMETANNIKOV
   6
   7 #include "PartSet_SketcherMgr.h"
   8 #include "PartSet_Module.h"
   9 #include "PartSet_WidgetPoint2D.h"
  10 #include "PartSet_Tools.h"
  11
  12 #include <XGUI_ModuleConnector.h>
  13 #include <XGUI_Displayer.h>
  14 #include <XGUI_Workshop.h>
  15 #include <XGUI_Selection.h>
  16 #include <XGUI_SelectionMgr.h>
  17
  18 #include <ModuleBase_IViewer.h>
  19 #include <ModuleBase_IWorkshop.h>
  20 #include <ModuleBase_IViewWindow.h>
  21 #include <ModuleBase_Operation.h>
  22 #include <ModuleBase_ISelection.h>
  23 #include <ModuleBase_IPropertyPanel.h>
  24 #include <ModuleBase_Operation.h>
  25
  26 #include <Events_Loop.h>
  27
  28 #include <SketchPlugin_Line.h>
  29 #include <SketchPlugin_Sketch.h>
  30 #include <SketchPlugin_Point.h>
  31 #include <SketchPlugin_Arc.h>
  32 #include <SketchPlugin_Circle.h>
  33 #include <SketchPlugin_ConstraintLength.h>
  34 #include <SketchPlugin_ConstraintDistance.h>
  35 #include <SketchPlugin_ConstraintParallel.h>
  36 #include <SketchPlugin_ConstraintPerpendicular.h>
  37 #include <SketchPlugin_ConstraintRadius.h>
  38 #include <SketchPlugin_ConstraintRigid.h>
  39
  40 #include <SelectMgr_IndexedMapOfOwner.hxx>
  41 #include <StdSelect_BRepOwner.hxx>
  42
  43 #include <ModelAPI_Events.h>
  44
  45 #include <QMouseEvent>
  46 #include <QApplication>
  47
  48
  49
  50
  51 /// Returns list of unique objects by sum of objects from List1 and List2
  52 QList<ObjectPtr> getSumList(const QList<ModuleBase_ViewerPrs>& theList1,
  53                                        const QList<ModuleBase_ViewerPrs>& theList2)
  54 {
  55   QList<ObjectPtr> aRes;
  56   foreach (ModuleBase_ViewerPrs aPrs, theList1) {
  57     if (!aRes.contains(aPrs.object()))
  58       aRes.append(aPrs.object());
  59   }
  60   foreach (ModuleBase_ViewerPrs aPrs, theList2) {
  61     if (!aRes.contains(aPrs.object()))
  62       aRes.append(aPrs.object());
  63   }
  64   return aRes;
  65 }
  66
  67
  68
  69
  70 PartSet_SketcherMgr::PartSet_SketcherMgr(PartSet_Module* theModule)
  71   : QObject(theModule), myModule(theModule), myIsDragging(false), myDragDone(false)
  72 {
  73   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
  74   ModuleBase_IViewer* aViewer = aWorkshop->viewer();
  75
  76   connect(aViewer, SIGNAL(mousePress(ModuleBase_IViewWindow*, QMouseEvent*)),
  77           this, SLOT(onMousePressed(ModuleBase_IViewWindow*, QMouseEvent*)));
  78
  79   connect(aViewer, SIGNAL(mouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)),
  80           this, SLOT(onMouseReleased(ModuleBase_IViewWindow*, QMouseEvent*)));
  81
  82   connect(aViewer, SIGNAL(mouseMove(ModuleBase_IViewWindow*, QMouseEvent*)),
  83           this, SLOT(onMouseMoved(ModuleBase_IViewWindow*, QMouseEvent*)));
  84
  85   connect(aViewer, SIGNAL(mouseDoubleClick(ModuleBase_IViewWindow*, QMouseEvent*)),
  86           this, SLOT(onMouseDoubleClick(ModuleBase_IViewWindow*, QMouseEvent*)));
  87 }
  88
  89 PartSet_SketcherMgr::~PartSet_SketcherMgr()
  90 {
  91   if (!myPlaneFilter.IsNull())
  92     myPlaneFilter.Nullify();
  93 }
  94
  95 void PartSet_SketcherMgr::onMousePressed(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
  96 {
  97   //
  98   if (!(theEvent->buttons() & Qt::LeftButton))
  99     return;
 100
 101   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
 102   ModuleBase_Operation* aOperation = aWorkshop->currentOperation();
 103   // Use only for sketch operations
 104   if (aOperation && myCurrentSketch) {
 105     if (!PartSet_Tools::sketchPlane(myCurrentSketch))
 106       return;
 107
 108     bool isSketcher = (aOperation->id().toStdString() == SketchPlugin_Sketch::ID());
 109     bool isSketchOpe = sketchOperationIdList().contains(aOperation->id());
 110
 111     // Avoid non-sketch operations
 112     if ((!isSketchOpe) && (!isSketcher))
 113       return;
 114
 115     bool isEditing = aOperation->isEditOperation();
 116
 117     // Ignore creation sketch operation
 118     if ((!isSketcher) && (!isEditing))
 119       return;
 120
 121     if (theEvent->modifiers()) {
 122       // If user performs multiselection
 123       if (isSketchOpe /* && (!isSketcher)*/)
 124         if (!aOperation->commit())
 125           aOperation->abort();
 126       return;
 127     }
 128     // Remember highlighted objects for editing
 129     ModuleBase_ISelection* aSelect = aWorkshop->selection();
 130     QList<ModuleBase_ViewerPrs> aHighlighted = aSelect->getHighlighted();
 131     QList<ModuleBase_ViewerPrs> aSelected = aSelect->getSelected();
 132     myEditingFeatures.clear();
 133     myEditingAttr.clear();
 134
 135     bool aHasShift = (theEvent->modifiers() & Qt::ShiftModifier);
 136     QObjectPtrList aSelObjects;
 137     if (aHasShift)
 138       aSelObjects = getSumList(aHighlighted, aSelected);
 139     else {
 140       foreach (ModuleBase_ViewerPrs aPrs, aHighlighted) {
 141         aSelObjects.append(aPrs.object());
 142       }
 143     }
 144     if ((aSelObjects.size() == 0)) {
 145       if (isSketchOpe && (!isSketcher))
 146         // commit previous operation
 147         if (!aOperation->commit())
 148           aOperation->abort();
 149       return;
 150     }
 151     if ((aHighlighted.size() == 1) && (aSelected.size() == 0)) {
 152       // Move by selected shape (vertex). Can be used only for single selection
 153       foreach(ModuleBase_ViewerPrs aPrs, aHighlighted) {
 154         FeaturePtr aFeature = ModelAPI_Feature::feature(aHighlighted.first().object());
 155         if (aFeature) {
 156           myEditingFeatures.append(aFeature);
 157           TopoDS_Shape aShape = aPrs.shape();
 158           if (!aShape.IsNull()) {
 159             if (aShape.ShapeType() == TopAbs_VERTEX) {
 160               AttributePtr aAttr = PartSet_Tools::findAttributeBy2dPoint(myEditingFeatures.first(),
 161                                                                          aShape, myCurrentSketch);
 162               if (aAttr)
 163                 myEditingAttr.append(aAttr);
 164             }
 165           }
 166         }
 167       }
 168     } else {
 169       // Provide multi-selection. Can be used only for features
 170       foreach (ObjectPtr aObj, aSelObjects) {
 171         FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
 172         if (aFeature && (!myEditingFeatures.contains(aFeature)))
 173           myEditingFeatures.append(aFeature);
 174       }
 175
 176     }
 177     // If nothing highlighted - return
 178     if (myEditingFeatures.size() == 0)
 179       return;
 180
 181     if (isSketcher) {
 182       myIsDragging = true;
 183       get2dPoint(theWnd, theEvent, myCurX, myCurY);
 184       myDragDone = false;
 185       aWorkshop->viewer()->enableMultiselection(false);
 186       launchEditing();
 187
 188     } else if (isSketchOpe && isEditing) {
 189       // If selected another object
 190       aOperation->abort();
 191
 192       myIsDragging = true;
 193       get2dPoint(theWnd, theEvent, myCurX, myCurY);
 194       myDragDone = false;
 195       aWorkshop->viewer()->enableMultiselection(false);
 196
 197       // This is necessary in order to finalize previous operation
 198       QApplication::processEvents();
 199       launchEditing();
 200     }
 201   }
 202 }
 203
 204 void PartSet_SketcherMgr::onMouseReleased(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 205 {
 206   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
 207   ModuleBase_Operation* aOp = aWorkshop->currentOperation();
 208   if (!aOp)
 209     return;
 210   if (!sketchOperationIdList().contains(aOp->id()))
 211     return;
 212
 213   // Only for sketcher operations
 214   ModuleBase_IViewer* aViewer = aWorkshop->viewer();
 215   if (myIsDragging) {
 216     myIsDragging = false;
 217     if (myDragDone) {
 218       aViewer->enableMultiselection(true);
 219       aOp->commit();
 220       myEditingFeatures.clear();
 221       myEditingAttr.clear();
 222       return;
 223     }
 224   }
 225   if (!aViewer->isMultiSelectionEnabled()) {
 226     aViewer->enableMultiselection(true);
 227   }
 228   //aViewer->AISContext()->MoveTo(theEvent->x(), theEvent->y(), theWnd->v3dView());
 229   //if (theEvent->modifiers() & Qt::ShiftModifier)
 230   //  aViewer->AISContext()->ShiftSelect();
 231   //else
 232   //  aViewer->AISContext()->Select();
 233 }
 234
 235 void PartSet_SketcherMgr::onMouseMoved(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 236 {
 237   if (myIsDragging) {
 238     ModuleBase_Operation* aOperation = myModule->workshop()->currentOperation();
 239     if (aOperation->id().toStdString() == SketchPlugin_Sketch::ID())
 240       return; // No edit operation activated
 241
 242     static Events_ID anEvent = Events_Loop::eventByName(EVENT_OBJECT_MOVED);
 243     Handle(V3d_View) aView = theWnd->v3dView();
 244     gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), aView);
 245     double aX, aY;
 246     PartSet_Tools::convertTo2D(aPoint, myCurrentSketch, aView, aX, aY);
 247     double dX =  aX - myCurX;
 248     double dY =  aY - myCurY;
 249
 250     if ((aOperation->id().toStdString() == SketchPlugin_Line::ID()) &&
 251         (myEditingAttr.size() == 1) &&
 252         myEditingAttr.first()) {
 253       // probably we have prehighlighted point
 254       AttributePtr aAttr = myEditingAttr.first();
 255       std::string aAttrId = aAttr->id();
 256       ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 257       QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
 258       // Find corresponded widget to provide dragging
 259       foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
 260         if (aWgt->attributeID() == aAttrId) {
 261           PartSet_WidgetPoint2D* aWgt2d = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
 262           if (aWgt2d) {
 263             aWgt2d->setPoint(aWgt2d->x() + dX, aWgt2d->y() + dY);
 264             break;
 265           }
 266         }
 267       }
 268     } else {
 269       foreach(FeaturePtr aFeature, myEditingFeatures) {
 270         std::shared_ptr<SketchPlugin_Feature> aSketchFeature =
 271           std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 272         if (aSketchFeature) {
 273           // save the previous selection
 274           /*ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
 275           XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
 276           XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 277           QIntList anActivatedModes;
 278
 279           ResultPtr aResult = aSketchFeature->firstResult();
 280
 281           aDisplayer->getModesOfActivation(aResult, anActivatedModes);
 282
 283           std::list<AttributePtr> aSelectedAttributes;
 284           getCurrentSelection(aSketchFeature, myCurrentSketch, aWorkshop, aSelectedAttributes);*/
 285           // save the previous selection: end
 286
 287
 288           aSketchFeature->move(dX, dY);
 289           ModelAPI_EventCreator::get()->sendUpdated(aSketchFeature, anEvent);
 290           /*
 291           // TODO: the selection restore should be after the AIS presentation is rebuilt
 292           Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_MOVED));
 293           Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 294
 295           // restore the previous selection
 296           aResult = aSketchFeature->firstResult();
 297             aDisplayer->activate(aResult, anActivatedModes);
 298
 299           SelectMgr_IndexedMapOfOwner anOwnersToSelect;
 300           getSelectionOwners(aSketchFeature, myCurrentSketch, aWorkshop, aSelectedAttributes,
 301                              anOwnersToSelect);
 302
 303           ModuleBase_IViewer* aViewer = aWorkshop->viewer();
 304           Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
 305           for (Standard_Integer i = 1, n = anOwnersToSelect.Extent(); i <= n; i++)
 306             aContext->AddOrRemoveSelected(anOwnersToSelect(i), false); // SetSelected()
 307
 308           aContext->UpdateCurrentViewer();
 309           // restore the previous selection*/
 310         }
 311       }
 312       // TODO: set here
 313       Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_MOVED));
 314       Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 315     }
 316     myDragDone = true;
 317     myCurX = aX;
 318     myCurY = aY;
 319   }
 320 }
 321
 322 void PartSet_SketcherMgr::onMouseDoubleClick(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 323 {
 324   ModuleBase_Operation* aOperation = myModule->workshop()->currentOperation();
 325   if (aOperation && aOperation->isEditOperation()) {
 326     std::string aId = aOperation->id().toStdString();
 327     if ((aId == SketchPlugin_ConstraintLength::ID()) ||
 328       (aId == SketchPlugin_ConstraintDistance::ID()) ||
 329       (aId == SketchPlugin_ConstraintRadius::ID()))
 330     {
 331       // Activate dimension value editing on double click
 332       ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 333       QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
 334       // Find corresponded widget to activate value editing
 335       foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
 336         if (aWgt->attributeID() == "ConstraintValue") {
 337           aWgt->focusTo();
 338           return;
 339         }
 340       }
 341     }
 342   }
 343 }
 344
 345 void PartSet_SketcherMgr::get2dPoint(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent,
 346                                 double& theX, double& theY)
 347 {
 348   Handle(V3d_View) aView = theWnd->v3dView();
 349   gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), aView);
 350   PartSet_Tools::convertTo2D(aPoint, myCurrentSketch, aView, theX, theY);
 351 }
 352
 353 void PartSet_SketcherMgr::launchEditing()
 354 {
 355   if (myEditingFeatures.size() > 0) {
 356     FeaturePtr aFeature = myEditingFeatures.first();
 357     std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 358               std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 359     if (aSPFeature) {
 360       myModule->editFeature(aSPFeature);
 361     }
 362   }
 363 }
 364
 365
 366 QStringList PartSet_SketcherMgr::sketchOperationIdList()
 367 {
 368   static QStringList aIds;
 369   if (aIds.size() == 0) {
 370     aIds << SketchPlugin_Line::ID().c_str();
 371     aIds << SketchPlugin_Point::ID().c_str();
 372     aIds << SketchPlugin_Arc::ID().c_str();
 373     aIds << SketchPlugin_Circle::ID().c_str();
 374     aIds << SketchPlugin_ConstraintLength::ID().c_str();
 375     aIds << SketchPlugin_ConstraintDistance::ID().c_str();
 376     aIds << SketchPlugin_ConstraintRigid::ID().c_str();
 377     aIds << SketchPlugin_ConstraintRadius::ID().c_str();
 378     aIds << SketchPlugin_ConstraintPerpendicular::ID().c_str();
 379     aIds << SketchPlugin_ConstraintParallel::ID().c_str();
 380   }
 381   return aIds;
 382 }
 383
 384 void PartSet_SketcherMgr::startSketch(ModuleBase_Operation* theOperation)
 385 {
 386   // Display all sketcher sub-Objects
 387   myCurrentSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theOperation->feature());
 388   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myModule->workshop());
 389   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 390
 391   // Hide sketcher result
 392   std::list<ResultPtr> aResults = myCurrentSketch->results();
 393   std::list<ResultPtr>::const_iterator aIt;
 394   for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
 395     aDisplayer->erase((*aIt), false);
 396   }
 397   aDisplayer->erase(myCurrentSketch, false);
 398
 399   // Display sketcher objects
 400   for (int i = 0; i < myCurrentSketch->numberOfSubs(); i++) {
 401     FeaturePtr aFeature = myCurrentSketch->subFeature(i);
 402     std::list<ResultPtr> aResults = aFeature->results();
 403     std::list<ResultPtr>::const_iterator aIt;
 404     for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
 405       aDisplayer->display((*aIt), false);
 406     }
 407     aDisplayer->display(aFeature, false);
 408   }
 409
 410   if (myPlaneFilter.IsNull())
 411     myPlaneFilter = new ModuleBase_ShapeInPlaneFilter();
 412
 413   myModule->workshop()->viewer()->addSelectionFilter(myPlaneFilter);
 414   if (theOperation->isEditOperation()) {
 415     // If it is editing of sketch then it means that plane is already defined
 416     std::shared_ptr<GeomAPI_Pln> aPln = PartSet_Tools::sketchPlane(myCurrentSketch);
 417     myPlaneFilter->setPlane(aPln->impl<gp_Pln>());
 418   }
 419   aDisplayer->updateViewer();
 420 }
 421
 422 void PartSet_SketcherMgr::stopSketch(ModuleBase_Operation* theOperation)
 423 {
 424   DataPtr aData = myCurrentSketch->data();
 425   if ((!aData) || (!aData->isValid())) {
 426     // The sketch was aborted
 427     myCurrentSketch = CompositeFeaturePtr();
 428     myModule->workshop()->viewer()->removeSelectionFilter(myPlaneFilter);
 429     return;
 430   }
 431   // Hide all sketcher sub-Objects
 432   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myModule->workshop());
 433   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 434   for (int i = 0; i < myCurrentSketch->numberOfSubs(); i++) {
 435     FeaturePtr aFeature = myCurrentSketch->subFeature(i);
 436     std::list<ResultPtr> aResults = aFeature->results();
 437     std::list<ResultPtr>::const_iterator aIt;
 438     for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
 439       aDisplayer->erase((*aIt), false);
 440     }
 441     aDisplayer->erase(aFeature, false);
 442   }
 443   // Display sketcher result
 444   std::list<ResultPtr> aResults = myCurrentSketch->results();
 445   std::list<ResultPtr>::const_iterator aIt;
 446   for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
 447     aDisplayer->display((*aIt), false);
 448   }
 449   aDisplayer->display(myCurrentSketch);
 450
 451   myCurrentSketch = CompositeFeaturePtr();
 452   myModule->workshop()->viewer()->removeSelectionFilter(myPlaneFilter);
 453   aDisplayer->updateViewer();
 454 }
 455
 456
 457 void PartSet_SketcherMgr::onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>& thePln)
 458 {
 459   myPlaneFilter->setPlane(thePln->impl<gp_Pln>());
 460 }
 461
 462 void PartSet_SketcherMgr::getCurrentSelection(const ObjectPtr& theObject,
 463                                               const FeaturePtr& theSketch,
 464                                               ModuleBase_IWorkshop* theWorkshop,
 465                                               std::list<AttributePtr>& theSelectedAttributes)
 466 {
 467   FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
 468   if (aFeature.get() == NULL)
 469     return;
 470
 471   ModuleBase_IViewer* aViewer = theWorkshop->viewer();
 472   Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
 473   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWorkshop);
 474   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 475
 476   // TODO: check all results and IPresentable feature
 477   ResultPtr aResult = aFeature->firstResult();
 478
 479   bool isVisibleSketch = aDisplayer->isVisible(aResult);
 480   AISObjectPtr aAISObj = aDisplayer->getAISObject(aResult);
 481
 482   if (aAISObj.get() != NULL) {
 483     Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
 484     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected())
 485     {
 486       Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(
 487                                                                       aContext->SelectedOwner());
 488       if (aBRepOwner.IsNull()) continue;
 489
 490       Handle(AIS_InteractiveObject) anIO = Handle(AIS_InteractiveObject)::DownCast(
 491                                                                        aBRepOwner->Selectable());
 492       if (anIO != anAISIO) continue;
 493
 494       if (aBRepOwner->HasShape()) {
 495         const TopoDS_Shape& aShape = aBRepOwner->Shape();
 496         TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 497         if (aShapeType == TopAbs_VERTEX) {
 498           AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(theObject,
 499                                                                         aShape, theSketch);
 500           if (aPntAttr.get() != NULL)
 501             theSelectedAttributes.push_back(aPntAttr);
 502         }
 503       }
 504     }
 505   }
 506 }
 507
 508 void PartSet_SketcherMgr::getSelectionOwners(const ObjectPtr& theObject,
 509                                              const FeaturePtr& theSketch,
 510                                              ModuleBase_IWorkshop* theWorkshop,
 511                                              const std::list<AttributePtr>& theSelectedAttributes,
 512                                              SelectMgr_IndexedMapOfOwner& anOwnersToSelect)
 513 {
 514   FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
 515   if (aFeature.get() == NULL)
 516     return;
 517
 518   ModuleBase_IViewer* aViewer = theWorkshop->viewer();
 519   Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
 520   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWorkshop);
 521   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 522
 523   // TODO: check all results and IPresentable feature
 524   ResultPtr aResult = aFeature->firstResult();
 525
 526   bool isVisibleSketch = aDisplayer->isVisible(aResult);
 527   AISObjectPtr aAISObj = aDisplayer->getAISObject(aResult);
 528
 529   if (aAISObj.get() != NULL) {
 530     Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
 531
 532     SelectMgr_IndexedMapOfOwner aSelectedOwners;
 533
 534     aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
 535     for  ( Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++ ) {
 536       Handle(StdSelect_BRepOwner) anOwner = Handle(StdSelect_BRepOwner)::DownCast(aSelectedOwners(i));
 537       if ( anOwner.IsNull() || !anOwner->HasShape() )
 538         continue;
 539       const TopoDS_Shape& aShape = anOwner->Shape();
 540       TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 541       if (aShapeType == TopAbs_VERTEX) {
 542         AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(aFeature, aShape, theSketch);
 543         if (aPntAttr.get() != NULL) {
 544           std::list<AttributePtr>::const_iterator anIt = theSelectedAttributes.begin(),
 545                                                   aLast = theSelectedAttributes.end();
 546           for (; anIt != aLast; anIt++) {
 547             AttributePtr anAttrIt = *anIt;
 548             if (anAttrIt.get() == aPntAttr.get()) {
 549               anOwnersToSelect.Add(anOwner);
 550             }
 551           }
 552         }
 553       }
 554     }
 555   }
 556 }