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_ViewerPrsPtr> XGUI_Selection::getSelected(const SelectionPlace& thePlace) const
  41 {
  42   QList<ModuleBase_ViewerPrsPtr> 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_ViewerPrsPtr& 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_ViewerPrsPtr>& 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_ViewerPrsPtr aPrs(new ModuleBase_ViewerPrs());
  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_ViewerPrsPtr>& 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_ViewerPrsPtr>::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(std::shared_ptr<ModuleBase_ViewerPrs>(
 114                new ModuleBase_ViewerPrs(anObject, GeomShapePtr(), NULL)));
 115     }
 116   }
 117 }
 118
 119 void XGUI_Selection::fillPresentation(ModuleBase_ViewerPrsPtr& thePrs,
 120                                       const Handle(SelectMgr_EntityOwner)& theOwner) const
 121 {
 122   thePrs->setOwner(theOwner);
 123
 124   Handle(AIS_InteractiveObject) anIO =
 125                            Handle(AIS_InteractiveObject)::DownCast(theOwner->Selectable());
 126   thePrs->setInteractive(anIO);
 127
 128   // we should not check the appearance of this feature because there can be some selected shapes
 129   // for one feature
 130   Handle(StdSelect_BRepOwner) aBRO = Handle(StdSelect_BRepOwner)::DownCast(theOwner);
 131   if( !aBRO.IsNull() && aBRO->HasShape() ) {
 132     // the located method is called in the context to obtain the shape by the SelectedShape() method,
 133     // so the shape is located by the same rules
 134     TopoDS_Shape aShape = aBRO->Shape().Located (aBRO->Location() * aBRO->Shape().Location());
 135 #ifndef DEBUG_DELIVERY
 136     if (aShape.IsNull())
 137       aShape = findAxisShape(anIO);
 138 #endif
 139     if (!aShape.IsNull()) {
 140       std::shared_ptr<GeomAPI_Shape> aGeomShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 141       aGeomShape->setImpl(new TopoDS_Shape(aShape));
 142       thePrs->setShape(aGeomShape);
 143     }
 144   } else {
 145 #ifdef DEBUG_DELIVERY
 146     // Fill by trihedron shapes
 147     Handle(AIS_Axis) aAxis = Handle(AIS_Axis)::DownCast(anIO);
 148     if (!aAxis.IsNull()) {
 149       // an Axis from Trihedron
 150       Handle(Geom_Line) aLine = aAxis->Component();
 151       Handle(Prs3d_DatumAspect) DA = aAxis->Attributes()->DatumAspect();
 152       Handle(Geom_TrimmedCurve) aTLine = new Geom_TrimmedCurve(aLine, 0, DA->FirstAxisLength());
 153
 154       BRep_Builder aBuilder;
 155       TopoDS_Edge aEdge;
 156       aBuilder.MakeEdge(aEdge, aTLine, Precision::Confusion());
 157       if (!aEdge.IsNull()) {
 158         std::shared_ptr<GeomAPI_Shape> aGeomShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 159         aGeomShape->setImpl(new TopoDS_Shape(aEdge));
 160         thePrs->setShape(aGeomShape);
 161       }
 162     } else {
 163       Handle(AIS_Point) aPoint = Handle(AIS_Point)::DownCast(anIO);
 164       if (!aPoint.IsNull()) {
 165         // A point from trihedron
 166         Handle(Geom_Point) aPnt = aPoint->Component();
 167         BRep_Builder aBuilder;
 168         TopoDS_Vertex aVertex;
 169         aBuilder.MakeVertex(aVertex, aPnt->Pnt(), Precision::Confusion());
 170         if (!aVertex.IsNull()) {
 171           std::shared_ptr<GeomAPI_Shape> aGeomShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 172           aGeomShape->setImpl(new TopoDS_Shape(aVertex));
 173           thePrs->setShape(aGeomShape);
 174         }
 175       }
 176     }
 177 #endif
 178   }
 179
 180   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 181   ObjectPtr aFeature = aDisplayer->getObject(anIO);
 182
 183   Handle(ModuleBase_BRepOwner) aCompSolidBRO = Handle(ModuleBase_BRepOwner)::DownCast(theOwner);
 184   if (!aCompSolidBRO.IsNull()) {
 185     // If ModuleBase_BRepOwner object is created then it means that TopAbs_COMPSOLID selection mode
 186     // is On and we have to use parent result which corresponds to the CompSolid shape
 187     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(aFeature);
 188     if (aResult.get()) {
 189       ResultCompSolidPtr aCompSolid = ModelAPI_Tools::compSolidOwner(aResult);
 190       if (aCompSolid.get()) {
 191         GeomShapePtr aShape = aCompSolid->shape();
 192         if (aShape.get() && aShape->isEqual(thePrs->shape())) {
 193           thePrs->setObject(aCompSolid);
 194           return;
 195         }
 196       }
 197     }
 198   }
 199   thePrs->setObject(aFeature);
 200 }
 201
 202 QList<ModuleBase_ViewerPrsPtr> XGUI_Selection::getHighlighted() const
 203 {
 204   QList<ModuleBase_ViewerPrsPtr> aPresentations;
 205   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 206   if (aContext.IsNull())
 207     return aPresentations;
 208
 209   QList<long> aSelectedIds; // Remember of selected address in order to avoid duplicates
 210   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 211   for (aContext->InitDetected(); aContext->MoreDetected(); aContext->NextDetected()) {
 212     ModuleBase_ViewerPrsPtr aPrs(new ModuleBase_ViewerPrs());
 213     Handle(AIS_InteractiveObject) anIO = aContext->DetectedInteractive();
 214     if (aSelectedIds.contains((long)anIO.Access()))
 215       continue;
 216
 217     aSelectedIds.append((long)anIO.Access());
 218     aPrs->setInteractive(anIO);
 219
 220     ObjectPtr aResult = aDisplayer->getObject(anIO);
 221     // we should not check the appearance of this feature because there can be some selected shapes
 222     // for one feature
 223     aPrs->setObject(aResult);
 224     if (aContext->HasOpenedContext()) {
 225       TopoDS_Shape aShape = aContext->DetectedShape();
 226       if (!aShape.IsNull()) {
 227         std::shared_ptr<GeomAPI_Shape> aGeomShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 228         aGeomShape->setImpl(new TopoDS_Shape(aShape));
 229         aPrs->setShape(aGeomShape);
 230       }
 231     }
 232     aPresentations.push_back(aPrs);
 233   }
 234   return aPresentations;
 235 }
 236
 237 QObjectPtrList XGUI_Selection::selectedObjects() const
 238 {
 239   return myWorkshop->objectBrowser()->selectedObjects();
 240 }
 241
 242 void XGUI_Selection::setSelectedObjects( const QObjectPtrList& theObjects ) const
 243 {
 244   return myWorkshop->objectBrowser()->setObjectsSelected( theObjects );
 245 }
 246
 247 QObjectPtrList XGUI_Selection::selectedPresentations() const
 248 {
 249   QObjectPtrList aSelectedList;
 250
 251   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 252   if (!aContext.IsNull()) {
 253     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 254       Handle(AIS_InteractiveObject) anIO = aContext->SelectedInteractive();
 255       ObjectPtr aResult = myWorkshop->displayer()->getObject(anIO);
 256       if (aResult)
 257         aSelectedList.append(aResult);
 258     }
 259   }
 260   return aSelectedList;
 261 }
 262
 263 //**************************************************************
 264 QModelIndexList XGUI_Selection::selectedIndexes() const
 265 {
 266   return myWorkshop->objectBrowser()->selectedIndexes();
 267 }
 268
 269 //**************************************************************
 270 void XGUI_Selection::selectedAISObjects(AIS_ListOfInteractive& theList) const
 271 {
 272   theList.Clear();
 273
 274   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 275   if (!aContext.IsNull()) {
 276     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected())
 277       theList.Append(aContext->SelectedInteractive());
 278   }
 279 }
 280
 281 //**************************************************************
 282 ObjectPtr XGUI_Selection::getSelectableObject(const Handle(SelectMgr_EntityOwner)& theOwner) const
 283 {
 284   ObjectPtr anObject;
 285
 286   Handle(SelectMgr_EntityOwner) aEO = theOwner;
 287   if (!aEO.IsNull()) {
 288     Handle(AIS_InteractiveObject) anObj =
 289       Handle(AIS_InteractiveObject)::DownCast(aEO->Selectable());
 290     anObject = myWorkshop->displayer()->getObject(anObj);
 291   }
 292   return anObject;
 293 }
 294
 295 //**************************************************************
 296 void XGUI_Selection::selectedShapes(NCollection_List<TopoDS_Shape>& theList,
 297                                     std::list<ObjectPtr>& theOwners) const
 298 {
 299   theList.Clear();
 300   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 301   if (aContext.IsNull())
 302     return;
 303
 304   for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 305     TopoDS_Shape aShape = aContext->SelectedShape();
 306     if (aShape.IsNull()) {
 307       aShape = findAxisShape(aContext->SelectedInteractive());
 308     }
 309     if (!aShape.IsNull()) {
 310       theList.Append(aShape);
 311       Handle(SelectMgr_EntityOwner) aEO = aContext->SelectedOwner();
 312       if (!aEO.IsNull()) {
 313         Handle(AIS_InteractiveObject) anObj =
 314           Handle(AIS_InteractiveObject)::DownCast(aEO->Selectable());
 315         ObjectPtr anObject = myWorkshop->displayer()->getObject(anObj);
 316         theOwners.push_back(anObject);
 317       }
 318     }
 319   }
 320 }
 321
 322 //**************************************************************
 323 void XGUI_Selection::selectedOwners(SelectMgr_IndexedMapOfOwner& theSelectedOwners) const
 324 {
 325   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 326   if (!aContext.IsNull()) {
 327     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 328       theSelectedOwners.Add(aContext->SelectedOwner());
 329     }
 330   }
 331 }
 332
 333 //**************************************************************
 334 void XGUI_Selection::entityOwners(const Handle(AIS_InteractiveObject)& theObject,
 335                                   SelectMgr_IndexedMapOfOwner& theOwners) const
 336 {
 337   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 338   if (aContext.IsNull() || theObject.IsNull())
 339     return;
 340
 341   TColStd_ListOfInteger aModes;
 342   aContext->ActivatedModes(theObject, aModes);
 343
 344   TColStd_ListIteratorOfListOfInteger anIt(aModes);
 345   for (; anIt.More(); anIt.Next()) {
 346     int aMode = anIt.Value();
 347     if (!theObject->HasSelection(aMode))
 348       continue;
 349
 350     Handle(SelectMgr_Selection) aSelection = theObject->Selection(aMode);
 351     for (aSelection->Init(); aSelection->More(); aSelection->Next()) {
 352       Handle(SelectMgr_SensitiveEntity) anEntity = aSelection->Sensitive();
 353       if (anEntity.IsNull())
 354         continue;
 355       Handle(SelectMgr_EntityOwner) anOwner =
 356         Handle(SelectMgr_EntityOwner)::DownCast(anEntity->BaseSensitive()->OwnerId());
 357       if (!anOwner.IsNull())
 358         theOwners.Add(anOwner);
 359     }
 360   }
 361 }
 362
 363 //**************************************************************
 364 TopoDS_Shape XGUI_Selection::findAxisShape(Handle(AIS_InteractiveObject) theIO) const
 365 {
 366   TopoDS_Shape aShape;
 367   // Fill by trihedron shapes
 368   Handle(AIS_Axis) aAxis = Handle(AIS_Axis)::DownCast(theIO);
 369   if (!aAxis.IsNull()) {
 370     // an Axis from Trihedron
 371     Handle(Geom_Line) aLine = aAxis->Component();
 372     Handle(Prs3d_DatumAspect) DA = aAxis->Attributes()->DatumAspect();
 373     Handle(Geom_TrimmedCurve) aTLine = new Geom_TrimmedCurve(aLine, 0, DA->FirstAxisLength());
 374
 375     BRep_Builder aBuilder;
 376     TopoDS_Edge aEdge;
 377     aBuilder.MakeEdge(aEdge, aTLine, Precision::Confusion());
 378     if (!aEdge.IsNull())
 379       aShape = aEdge;
 380   } else {
 381     Handle(AIS_Point) aPoint = Handle(AIS_Point)::DownCast(theIO);
 382     if (!aPoint.IsNull()) {
 383       // A point from trihedron
 384       Handle(Geom_Point) aPnt = aPoint->Component();
 385       BRep_Builder aBuilder;
 386       TopoDS_Vertex aVertex;
 387       aBuilder.MakeVertex(aVertex, aPnt->Pnt(), Precision::Confusion());
 388       if (!aVertex.IsNull())
 389         aShape = aVertex;
 390     }
 391   }
 392   return aShape;
 393 }