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
 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     if (!anOwner.IsNull()) {
 237       if (aSelectedIds.contains((long)anOwner.get()))
 238         continue;
 239       aSelectedIds.append((long)anOwner.get());
 240
 241       ModuleBase_ViewerPrsPtr aPrs(new ModuleBase_ViewerPrs());
 242       fillPresentation(aPrs, anOwner);
 243       aPresentations.push_back(aPrs);
 244     }
 245     else { // TODO: check why the entity owner is null here, case is selection point on a line
 246       Handle(AIS_InteractiveObject) anIO = aContext->DetectedInteractive();
 247       ModuleBase_ViewerPrsPtr aPrs(new ModuleBase_ViewerPrs());
 248       aPrs->setInteractive(anIO);
 249
 250       ObjectPtr aResult = aDisplayer->getObject(anIO);
 251       // we should not check the appearance of this feature because there can be some selected
 252       // shapes for one feature
 253       aPrs->setObject(aResult);
 254       TopoDS_Shape aShape = aContext->DetectedShape();
 255       if (!aShape.IsNull()) {
 256         std::shared_ptr<GeomAPI_Shape> aGeomShape =
 257           std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 258         aGeomShape->setImpl(new TopoDS_Shape(aShape));
 259         aPrs->setShape(aGeomShape);
 260       }
 261       aPresentations.push_back(aPrs);
 262     }
 263   }
 264   return aPresentations;
 265 }
 266
 267 QObjectPtrList XGUI_Selection::selectedObjects() const
 268 {
 269   return myWorkshop->objectBrowser()->selectedObjects();
 270 }
 271
 272 void XGUI_Selection::setSelectedObjects( const QObjectPtrList& theObjects ) const
 273 {
 274   return myWorkshop->objectBrowser()->setObjectsSelected( theObjects );
 275 }
 276
 277 QObjectPtrList XGUI_Selection::selectedPresentations() const
 278 {
 279   QObjectPtrList aSelectedList;
 280
 281   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 282   if (!aContext.IsNull()) {
 283     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 284       Handle(AIS_InteractiveObject) anIO = aContext->SelectedInteractive();
 285       ObjectPtr aResult = myWorkshop->displayer()->getObject(anIO);
 286       if (aResult)
 287         aSelectedList.append(aResult);
 288     }
 289   }
 290   return aSelectedList;
 291 }
 292
 293 //**************************************************************
 294 QModelIndexList XGUI_Selection::selectedIndexes() const
 295 {
 296   return myWorkshop->objectBrowser()->selectedIndexes();
 297 }
 298
 299 //**************************************************************
 300 void XGUI_Selection::selectedAISObjects(AIS_ListOfInteractive& theList) const
 301 {
 302   theList.Clear();
 303
 304   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 305   if (!aContext.IsNull()) {
 306     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected())
 307       theList.Append(aContext->SelectedInteractive());
 308   }
 309 }
 310
 311 //**************************************************************
 312 ObjectPtr XGUI_Selection::getSelectableObject(const Handle(SelectMgr_EntityOwner)& theOwner) const
 313 {
 314   ObjectPtr anObject;
 315
 316   Handle(SelectMgr_EntityOwner) aEO = theOwner;
 317   if (!aEO.IsNull()) {
 318     Handle(AIS_InteractiveObject) anObj =
 319       Handle(AIS_InteractiveObject)::DownCast(aEO->Selectable());
 320     anObject = myWorkshop->displayer()->getObject(anObj);
 321   }
 322   return anObject;
 323 }
 324
 325 //**************************************************************
 326 void XGUI_Selection::selectedOwners(SelectMgr_IndexedMapOfOwner& theSelectedOwners) const
 327 {
 328   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 329   if (!aContext.IsNull()) {
 330     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 331       theSelectedOwners.Add(aContext->SelectedOwner());
 332     }
 333   }
 334 }
 335
 336 //**************************************************************
 337 void XGUI_Selection::entityOwners(const Handle(AIS_InteractiveObject)& theObject,
 338                                   SelectMgr_IndexedMapOfOwner& theOwners) const
 339 {
 340   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 341   if (aContext.IsNull() || theObject.IsNull())
 342     return;
 343
 344   TColStd_ListOfInteger aModes;
 345   aContext->ActivatedModes(theObject, aModes);
 346
 347   TColStd_ListIteratorOfListOfInteger anIt(aModes);
 348   for (; anIt.More(); anIt.Next()) {
 349     int aMode = anIt.Value();
 350     if (!theObject->HasSelection(aMode))
 351       continue;
 352
 353     Handle(SelectMgr_Selection) aSelection = theObject->Selection(aMode);
 354     for (aSelection->Init(); aSelection->More(); aSelection->Next()) {
 355       Handle(SelectMgr_SensitiveEntity) anEntity = aSelection->Sensitive();
 356       if (anEntity.IsNull())
 357         continue;
 358       Handle(SelectMgr_EntityOwner) anOwner =
 359         Handle(SelectMgr_EntityOwner)::DownCast(anEntity->BaseSensitive()->OwnerId());
 360       if (!anOwner.IsNull())
 361         theOwners.Add(anOwner);
 362     }
 363   }
 364 }
 365
 366 //**************************************************************
 367 TopoDS_Shape XGUI_Selection::findAxisShape(Handle(AIS_InteractiveObject) theIO) const
 368 {
 369   TopoDS_Shape aShape;
 370   // Fill by trihedron shapes
 371   Handle(AIS_Axis) aAxis = Handle(AIS_Axis)::DownCast(theIO);
 372   if (!aAxis.IsNull()) {
 373     // an Axis from Trihedron
 374     Handle(Geom_Line) aLine = aAxis->Component();
 375     Handle(Prs3d_DatumAspect) DA = aAxis->Attributes()->DatumAspect();
 376     Handle(Geom_TrimmedCurve) aTLine = new Geom_TrimmedCurve(aLine, 0, DA->FirstAxisLength());
 377
 378     BRep_Builder aBuilder;
 379     TopoDS_Edge aEdge;
 380     aBuilder.MakeEdge(aEdge, aTLine, Precision::Confusion());
 381     if (!aEdge.IsNull())
 382       aShape = aEdge;
 383   } else {
 384     Handle(AIS_Point) aPoint = Handle(AIS_Point)::DownCast(theIO);
 385     if (!aPoint.IsNull()) {
 386       // A point from trihedron
 387       Handle(Geom_Point) aPnt = aPoint->Component();
 388       BRep_Builder aBuilder;
 389       TopoDS_Vertex aVertex;
 390       aBuilder.MakeVertex(aVertex, aPnt->Pnt(), Precision::Confusion());
 391       if (!aVertex.IsNull())
 392         aShape = aVertex;
 393     }
 394   }
 395   return aShape;
 396 }