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