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