src/XGUI/XGUI_Selection.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2
   3 // File:        XGUI_Selection.cpp
   4 // Created:     8 July 2014
   5 // Author:      Vitaly SMETANNIKOV
   6
   7 #include "XGUI_Selection.h"
   8 #include "XGUI_Workshop.h"
   9 #include "XGUI_Displayer.h"
  10 #include "XGUI_ViewerProxy.h"
  11 #include "XGUI_ObjectsBrowser.h"
  12
  13 #include "ModuleBase_ResultPrs.h"
  14 #include <ModuleBase_ViewerPrs.h>
  15
  16 #include <ModelAPI_Feature.h>
  17 #include <ModelAPI_Tools.h>
  18 #include <ModelAPI_Session.h>
  19 #include <ModelAPI_ResultConstruction.h>
  20
  21 #include <AIS_InteractiveContext.hxx>
  22 #include <AIS_Axis.hxx>
  23 #include <AIS_Point.hxx>
  24 #include <Geom_Line.hxx>
  25 #include <BRep_Builder.hxx>
  26 #include <TopoDS_Edge.hxx>
  27 #include <Geom_Point.hxx>
  28 #include <Geom_TrimmedCurve.hxx>
  29 #include <Prs3d_DatumAspect.hxx>
  30
  31 #include <TColStd_ListIteratorOfListOfInteger.hxx>
  32 #include <StdSelect_BRepOwner.hxx>
  33
  34 #include <set>
  35
  36 #define DEBUG_DELIVERY
  37
  38 XGUI_Selection::XGUI_Selection(XGUI_Workshop* theWorkshop)
  39     : myWorkshop(theWorkshop)
  40 {
  41 }
  42
  43 QList<ModuleBase_ViewerPrsPtr> XGUI_Selection::getSelected(const SelectionPlace& thePlace) const
  44 {
  45   QList<ModuleBase_ViewerPrsPtr> aPresentations;
  46
  47   switch (thePlace) {
  48     case Browser:
  49       getSelectedInBrowser(aPresentations);
  50     break;
  51     case Viewer:
  52       getSelectedInViewer(aPresentations);
  53     break;
  54   case AllControls:
  55       getSelectedInViewer(aPresentations);
  56       getSelectedInBrowser(aPresentations);
  57     break;
  58   }
  59   return aPresentations;
  60 }
  61
  62 Handle(AIS_InteractiveObject) XGUI_Selection::getIO(const ModuleBase_ViewerPrsPtr& thePrs)
  63 {
  64   Handle(AIS_InteractiveObject) anIO = thePrs->interactive();
  65   if (anIO.IsNull()) {
  66     Handle(SelectMgr_EntityOwner) anOwner = thePrs->owner();
  67     if (!anOwner.IsNull())
  68       anIO = Handle(AIS_InteractiveObject)::DownCast(anOwner->Selectable());
  69
  70     if (anIO.IsNull() && thePrs->object()) {
  71       XGUI_Displayer* aDisplayer = myWorkshop->displayer();
  72       AISObjectPtr anAISObject = aDisplayer->getAISObject(thePrs->object());
  73       if (anAISObject.get())
  74         anIO = anAISObject->impl<Handle(AIS_InteractiveObject)>();
  75     }
  76   }
  77   return anIO;
  78 }
  79
  80 void XGUI_Selection::getSelectedInViewer(QList<ModuleBase_ViewerPrsPtr>& thePresentations) const
  81 {
  82   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
  83   if (!aContext.IsNull()) {
  84     QList<long> aSelectedIds; // Remember of selected address in order to avoid duplicates
  85     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
  86       ModuleBase_ViewerPrsPtr aPrs(new ModuleBase_ViewerPrs());
  87       Handle(SelectMgr_EntityOwner) anOwner = aContext->SelectedOwner();
  88
  89       if (aSelectedIds.contains((long)anOwner.get()))
  90         continue;
  91       aSelectedIds.append((long)anOwner.get());
  92
  93       fillPresentation(aPrs, anOwner);
  94
  95       if (!thePresentations.contains(aPrs)) // TODO: check whether the presentation in a list
  96         thePresentations.append(aPrs);
  97     }
  98   }
  99 }
 100
 101 void XGUI_Selection::getSelectedInBrowser(QList<ModuleBase_ViewerPrsPtr>& thePresentations) const
 102 {
 103   // collect the objects  of the parameter presentation to avoid a repeted objects in the result
 104   QObjectPtrList aPresentationObjects;
 105   QList<ModuleBase_ViewerPrsPtr>::const_iterator aPrsIt = thePresentations.begin(),
 106                                               aPrsLast = thePresentations.end();
 107   for (; aPrsIt != aPrsLast; aPrsIt++) {
 108     aPresentationObjects.push_back((*aPrsIt)->object());
 109   }
 110
 111   QObjectPtrList anObjects = selectedObjects();
 112   QObjectPtrList::const_iterator anIt = anObjects.begin(), aLast = anObjects.end();
 113   for (; anIt != aLast; anIt++) {
 114     ObjectPtr anObject = *anIt;
 115     if (anObject.get() != NULL && !aPresentationObjects.contains(anObject)) {
 116       thePresentations.append(std::shared_ptr<ModuleBase_ViewerPrs>(
 117                new ModuleBase_ViewerPrs(anObject, GeomShapePtr(), NULL)));
 118     }
 119   }
 120 }
 121
 122 void XGUI_Selection::fillPresentation(ModuleBase_ViewerPrsPtr& thePrs,
 123                                       const Handle(SelectMgr_EntityOwner)& theOwner) const
 124 {
 125   thePrs->setOwner(theOwner);
 126   Handle(SelectMgr_SelectableObject) aSelectable = theOwner->Selectable();
 127   Handle(AIS_InteractiveObject) anIO =
 128                            Handle(AIS_InteractiveObject)::DownCast(theOwner->Selectable());
 129   thePrs->setInteractive(anIO);
 130
 131   // we should not check the appearance of this feature because there can be some selected shapes
 132   // for one feature
 133   Handle(StdSelect_BRepOwner) aBRO = Handle(StdSelect_BRepOwner)::DownCast(theOwner);
 134   if( !aBRO.IsNull() && aBRO->HasShape() ) {
 135     // the located method is called in the context to obtain the shape by the SelectedShape()
 136     // method, so the shape is located by the same rules
 137     TopoDS_Shape aShape = aBRO->Shape().Located (aBRO->Location() * aBRO->Shape().Location());
 138 #ifndef DEBUG_DELIVERY
 139     if (aShape.IsNull())
 140       aShape = findAxisShape(anIO);
 141 #endif
 142     if (!aShape.IsNull()) {
 143       std::shared_ptr<GeomAPI_Shape> aGeomShape =
 144         std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 145       aGeomShape->setImpl(new TopoDS_Shape(aShape));
 146       thePrs->setShape(aGeomShape);
 147     }
 148   } else {
 149 #ifdef DEBUG_DELIVERY
 150     // Fill by trihedron shapes
 151     Handle(AIS_Axis) aAxis = Handle(AIS_Axis)::DownCast(anIO);
 152     DocumentPtr aDoc = ModelAPI_Session::get()->moduleDocument();
 153     int aSize = aDoc->size(ModelAPI_ResultConstruction::group());
 154     ObjectPtr aObj;
 155     if (!aAxis.IsNull()) {
 156       // an Axis from Trihedron
 157       gp_Lin aLine = aAxis->Component()->Lin();
 158       gp_Dir aDir = aLine.Direction();
 159       std::string aAxName;
 160       if (aDir.X() == 1.)
 161         aAxName = "OX";
 162       else if (aDir.Y() == 1.)
 163         aAxName = "OY";
 164       else if (aDir.Z() == 1.)
 165         aAxName = "OZ";
 166       if (aAxName.length() > 0) {
 167         ResultPtr aAx;
 168         for (int i = 0; i < aSize; i++) {
 169           aObj = aDoc->object(ModelAPI_ResultConstruction::group(), i);
 170           if (aObj->data()->name() == aAxName) {
 171             aAx = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
 172             break;
 173           }
 174         }
 175         if (aAx.get()) {
 176           thePrs->setObject(aAx);
 177           thePrs->setShape(aAx->shape());
 178           return;
 179         }
 180       }
 181     } else {
 182       Handle(AIS_Point) aPoint = Handle(AIS_Point)::DownCast(anIO);
 183       if (!aPoint.IsNull()) {
 184         // An origin point from trihedron
 185         ResultPtr aOrigin;
 186         for (int i = 0; i < aSize; i++) {
 187           aObj = aDoc->object(ModelAPI_ResultConstruction::group(), i);
 188           if (aObj->data()->name() == "Origin") {
 189             aOrigin = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
 190             break;
 191           }
 192         }
 193         if (aOrigin.get()) {
 194           thePrs->setObject(aOrigin);
 195           thePrs->setShape(aOrigin->shape());
 196           return;
 197         }
 198       }
 199     }
 200 #endif
 201   }
 202
 203   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 204   ObjectPtr aFeature = aDisplayer->getObject(anIO);
 205
 206   Handle(ModuleBase_BRepOwner) aCompSolidBRO = Handle(ModuleBase_BRepOwner)::DownCast(theOwner);
 207   if (!aCompSolidBRO.IsNull()) {
 208     // If ModuleBase_BRepOwner object is created then it means that TopAbs_COMPSOLID selection mode
 209     // is On and we have to use parent result which corresponds to the CompSolid shape
 210     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(aFeature);
 211     if (aResult.get()) {
 212       ResultCompSolidPtr aCompSolid = ModelAPI_Tools::compSolidOwner(aResult);
 213       if (aCompSolid.get()) {
 214         GeomShapePtr aShape = aCompSolid->shape();
 215         if (aShape.get() && aShape->isEqual(thePrs->shape())) {
 216           thePrs->setObject(aCompSolid);
 217           return;
 218         }
 219       }
 220     }
 221   }
 222   thePrs->setObject(aFeature);
 223 }
 224
 225 QList<ModuleBase_ViewerPrsPtr> XGUI_Selection::getHighlighted() const
 226 {
 227   QList<ModuleBase_ViewerPrsPtr> aPresentations;
 228   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 229   if (aContext.IsNull())
 230     return aPresentations;
 231
 232   QList<long> aSelectedIds; // Remember of selected address in order to avoid duplicates
 233   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 234   for (aContext->InitDetected(); aContext->MoreDetected(); aContext->NextDetected()) {
 235     Handle(SelectMgr_EntityOwner) anOwner = aContext->DetectedOwner();
 236     try {
 237       // It is checking of existence of presentation object
 238       // BUG of OCCT
 239       Handle(AIS_InteractiveObject) aTest = aContext->DetectedInteractive();
 240     } catch (...) {
 241       continue;
 242     }
 243     if (!anOwner.IsNull()) {
 244       if (aSelectedIds.contains((long)anOwner.get()))
 245         continue;
 246       aSelectedIds.append((long)anOwner.get());
 247
 248       ModuleBase_ViewerPrsPtr aPrs(new ModuleBase_ViewerPrs());
 249       fillPresentation(aPrs, anOwner);
 250       aPresentations.push_back(aPrs);
 251     }
 252     else { // TODO: check why the entity owner is null here, case is selection point on a line
 253       Handle(AIS_InteractiveObject) anIO = aContext->DetectedInteractive();
 254       ModuleBase_ViewerPrsPtr aPrs(new ModuleBase_ViewerPrs());
 255       aPrs->setInteractive(anIO);
 256
 257       ObjectPtr aResult = aDisplayer->getObject(anIO);
 258       // we should not check the appearance of this feature because there can be some selected
 259       // shapes for one feature
 260       aPrs->setObject(aResult);
 261       TopoDS_Shape aShape = aContext->DetectedShape();
 262       if (!aShape.IsNull()) {
 263         std::shared_ptr<GeomAPI_Shape> aGeomShape =
 264           std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 265         aGeomShape->setImpl(new TopoDS_Shape(aShape));
 266         aPrs->setShape(aGeomShape);
 267       }
 268       aPresentations.push_back(aPrs);
 269     }
 270   }
 271   return aPresentations;
 272 }
 273
 274 QObjectPtrList XGUI_Selection::selectedObjects() const
 275 {
 276   if (myWorkshop->objectBrowser())
 277     return myWorkshop->objectBrowser()->selectedObjects();
 278   return QObjectPtrList();
 279 }
 280
 281 void XGUI_Selection::setSelectedObjects( const QObjectPtrList& theObjects ) const
 282 {
 283   return myWorkshop->objectBrowser()->setObjectsSelected( theObjects );
 284 }
 285
 286 QObjectPtrList XGUI_Selection::selectedPresentations() const
 287 {
 288   QObjectPtrList aSelectedList;
 289
 290   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 291   if (!aContext.IsNull()) {
 292     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 293       Handle(AIS_InteractiveObject) anIO = aContext->SelectedInteractive();
 294       ObjectPtr aResult = myWorkshop->displayer()->getObject(anIO);
 295       if (aResult)
 296         aSelectedList.append(aResult);
 297     }
 298   }
 299   return aSelectedList;
 300 }
 301
 302 //**************************************************************
 303 QModelIndexList XGUI_Selection::selectedIndexes() const
 304 {
 305   return myWorkshop->objectBrowser()->selectedIndexes();
 306 }
 307
 308 //**************************************************************
 309 void XGUI_Selection::selectedAISObjects(AIS_ListOfInteractive& theList) const
 310 {
 311   theList.Clear();
 312
 313   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 314   if (!aContext.IsNull()) {
 315     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected())
 316       theList.Append(aContext->SelectedInteractive());
 317   }
 318 }
 319
 320 //**************************************************************
 321 ObjectPtr XGUI_Selection::getSelectableObject(const Handle(SelectMgr_EntityOwner)& theOwner) const
 322 {
 323   ObjectPtr anObject;
 324
 325   Handle(SelectMgr_EntityOwner) aEO = theOwner;
 326   if (!aEO.IsNull()) {
 327     Handle(AIS_InteractiveObject) anObj =
 328       Handle(AIS_InteractiveObject)::DownCast(aEO->Selectable());
 329     anObject = myWorkshop->displayer()->getObject(anObj);
 330   }
 331   return anObject;
 332 }
 333
 334 //**************************************************************
 335 void XGUI_Selection::selectedOwners(SelectMgr_IndexedMapOfOwner& theSelectedOwners) const
 336 {
 337   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 338   if (!aContext.IsNull()) {
 339     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 340       theSelectedOwners.Add(aContext->SelectedOwner());
 341     }
 342   }
 343 }
 344
 345 //**************************************************************
 346 void XGUI_Selection::entityOwners(const Handle(AIS_InteractiveObject)& theObject,
 347                                   SelectMgr_IndexedMapOfOwner& theOwners) const
 348 {
 349   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 350   if (aContext.IsNull() || theObject.IsNull())
 351     return;
 352
 353   TColStd_ListOfInteger aModes;
 354   aContext->ActivatedModes(theObject, aModes);
 355
 356   TColStd_ListIteratorOfListOfInteger anIt(aModes);
 357   for (; anIt.More(); anIt.Next()) {
 358     int aMode = anIt.Value();
 359     if (!theObject->HasSelection(aMode))
 360       continue;
 361
 362     Handle(SelectMgr_Selection) aSelection = theObject->Selection(aMode);
 363     for (aSelection->Init(); aSelection->More(); aSelection->Next()) {
 364       Handle(SelectMgr_SensitiveEntity) anEntity = aSelection->Sensitive();
 365       if (anEntity.IsNull())
 366         continue;
 367       Handle(SelectMgr_EntityOwner) anOwner =
 368         Handle(SelectMgr_EntityOwner)::DownCast(anEntity->BaseSensitive()->OwnerId());
 369       if (!anOwner.IsNull())
 370         theOwners.Add(anOwner);
 371     }
 372   }
 373 }
 374
 375 //**************************************************************
 376 TopoDS_Shape XGUI_Selection::findAxisShape(Handle(AIS_InteractiveObject) theIO) const
 377 {
 378   TopoDS_Shape aShape;
 379   // Fill by trihedron shapes
 380   Handle(AIS_Axis) aAxis = Handle(AIS_Axis)::DownCast(theIO);
 381   if (!aAxis.IsNull()) {
 382     // an Axis from Trihedron
 383     Handle(Geom_Line) aLine = aAxis->Component();
 384     Handle(Prs3d_DatumAspect) DA = aAxis->Attributes()->DatumAspect();
 385     Handle(Geom_TrimmedCurve) aTLine = new Geom_TrimmedCurve(aLine, 0, DA->FirstAxisLength());
 386
 387     BRep_Builder aBuilder;
 388     TopoDS_Edge aEdge;
 389     aBuilder.MakeEdge(aEdge, aTLine, Precision::Confusion());
 390     if (!aEdge.IsNull())
 391       aShape = aEdge;
 392   } else {
 393     Handle(AIS_Point) aPoint = Handle(AIS_Point)::DownCast(theIO);
 394     if (!aPoint.IsNull()) {
 395       // A point from trihedron
 396       Handle(Geom_Point) aPnt = aPoint->Component();
 397       BRep_Builder aBuilder;
 398       TopoDS_Vertex aVertex;
 399       aBuilder.MakeVertex(aVertex, aPnt->Pnt(), Precision::Confusion());
 400       if (!aVertex.IsNull())
 401         aShape = aVertex;
 402     }
 403   }
 404   return aShape;
 405 }