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() && aContext->HasOpenedContext()) {
  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.Access()))
  90         continue;
  91       aSelectedIds.append((long)anOwner.Access());
  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() method,
 136     // 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 = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 144       aGeomShape->setImpl(new TopoDS_Shape(aShape));
 145       thePrs->setShape(aGeomShape);
 146     }
 147   } else {
 148 #ifdef DEBUG_DELIVERY
 149     // Fill by trihedron shapes
 150     Handle(AIS_Axis) aAxis = Handle(AIS_Axis)::DownCast(anIO);
 151     DocumentPtr aDoc = ModelAPI_Session::get()->moduleDocument();
 152     int aSize = aDoc->size(ModelAPI_ResultConstruction::group());
 153     ObjectPtr aObj;
 154     if (!aAxis.IsNull()) {
 155       // an Axis from Trihedron
 156       gp_Lin aLine = aAxis->Component()->Lin();
 157       gp_Dir aDir = aLine.Direction();
 158       std::string aAxName;
 159       if (aDir.X() == 1.)
 160         aAxName = "OX";
 161       else if (aDir.Y() == 1.)
 162         aAxName = "OY";
 163       else if (aDir.Z() == 1.)
 164         aAxName = "OZ";
 165       if (aAxName.length() > 0) {
 166         ResultPtr aAx;
 167         for (int i = 0; i < aSize; i++) {
 168           aObj = aDoc->object(ModelAPI_ResultConstruction::group(), i);
 169           if (aObj->data()->name() == aAxName) {
 170             aAx = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
 171             break;
 172           }
 173         }
 174         if (aAx.get()) {
 175           thePrs->setObject(aAx);
 176           thePrs->setShape(aAx->shape());
 177           return;
 178         }
 179       }
 180     } else {
 181       Handle(AIS_Point) aPoint = Handle(AIS_Point)::DownCast(anIO);
 182       if (!aPoint.IsNull()) {
 183         // An origin point from trihedron
 184         ResultPtr aOrigin;
 185         for (int i = 0; i < aSize; i++) {
 186           aObj = aDoc->object(ModelAPI_ResultConstruction::group(), i);
 187           if (aObj->data()->name() == "Origin") {
 188             aOrigin = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
 189             break;
 190           }
 191         }
 192         if (aOrigin.get()) {
 193           thePrs->setObject(aOrigin);
 194           thePrs->setShape(aOrigin->shape());
 195           return;
 196         }
 197       }
 198     }
 199 #endif
 200   }
 201
 202   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 203   ObjectPtr aFeature = aDisplayer->getObject(anIO);
 204
 205   Handle(ModuleBase_BRepOwner) aCompSolidBRO = Handle(ModuleBase_BRepOwner)::DownCast(theOwner);
 206   if (!aCompSolidBRO.IsNull()) {
 207     // If ModuleBase_BRepOwner object is created then it means that TopAbs_COMPSOLID selection mode
 208     // is On and we have to use parent result which corresponds to the CompSolid shape
 209     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(aFeature);
 210     if (aResult.get()) {
 211       ResultCompSolidPtr aCompSolid = ModelAPI_Tools::compSolidOwner(aResult);
 212       if (aCompSolid.get()) {
 213         GeomShapePtr aShape = aCompSolid->shape();
 214         if (aShape.get() && aShape->isEqual(thePrs->shape())) {
 215           thePrs->setObject(aCompSolid);
 216           return;
 217         }
 218       }
 219     }
 220   }
 221   thePrs->setObject(aFeature);
 222 }
 223
 224 QList<ModuleBase_ViewerPrsPtr> XGUI_Selection::getHighlighted() const
 225 {
 226   QList<ModuleBase_ViewerPrsPtr> aPresentations;
 227   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 228   if (aContext.IsNull())
 229     return aPresentations;
 230
 231   QList<long> aSelectedIds; // Remember of selected address in order to avoid duplicates
 232   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 233   for (aContext->InitDetected(); aContext->MoreDetected(); aContext->NextDetected()) {
 234     ModuleBase_ViewerPrsPtr aPrs(new ModuleBase_ViewerPrs());
 235     Handle(AIS_InteractiveObject) anIO = aContext->DetectedInteractive();
 236     if (aSelectedIds.contains((long)anIO.Access()))
 237       continue;
 238
 239     aSelectedIds.append((long)anIO.Access());
 240     aPrs->setInteractive(anIO);
 241
 242     ObjectPtr aResult = aDisplayer->getObject(anIO);
 243     // we should not check the appearance of this feature because there can be some selected shapes
 244     // for one feature
 245     aPrs->setObject(aResult);
 246     if (aContext->HasOpenedContext()) {
 247       TopoDS_Shape aShape = aContext->DetectedShape();
 248       if (!aShape.IsNull()) {
 249         std::shared_ptr<GeomAPI_Shape> aGeomShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 250         aGeomShape->setImpl(new TopoDS_Shape(aShape));
 251         aPrs->setShape(aGeomShape);
 252       }
 253     }
 254     aPresentations.push_back(aPrs);
 255   }
 256   return aPresentations;
 257 }
 258
 259 QObjectPtrList XGUI_Selection::selectedObjects() const
 260 {
 261   return myWorkshop->objectBrowser()->selectedObjects();
 262 }
 263
 264 void XGUI_Selection::setSelectedObjects( const QObjectPtrList& theObjects ) const
 265 {
 266   return myWorkshop->objectBrowser()->setObjectsSelected( theObjects );
 267 }
 268
 269 QObjectPtrList XGUI_Selection::selectedPresentations() const
 270 {
 271   QObjectPtrList aSelectedList;
 272
 273   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 274   if (!aContext.IsNull()) {
 275     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 276       Handle(AIS_InteractiveObject) anIO = aContext->SelectedInteractive();
 277       ObjectPtr aResult = myWorkshop->displayer()->getObject(anIO);
 278       if (aResult)
 279         aSelectedList.append(aResult);
 280     }
 281   }
 282   return aSelectedList;
 283 }
 284
 285 //**************************************************************
 286 QModelIndexList XGUI_Selection::selectedIndexes() const
 287 {
 288   return myWorkshop->objectBrowser()->selectedIndexes();
 289 }
 290
 291 //**************************************************************
 292 void XGUI_Selection::selectedAISObjects(AIS_ListOfInteractive& theList) const
 293 {
 294   theList.Clear();
 295
 296   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 297   if (!aContext.IsNull()) {
 298     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected())
 299       theList.Append(aContext->SelectedInteractive());
 300   }
 301 }
 302
 303 //**************************************************************
 304 ObjectPtr XGUI_Selection::getSelectableObject(const Handle(SelectMgr_EntityOwner)& theOwner) const
 305 {
 306   ObjectPtr anObject;
 307
 308   Handle(SelectMgr_EntityOwner) aEO = theOwner;
 309   if (!aEO.IsNull()) {
 310     Handle(AIS_InteractiveObject) anObj =
 311       Handle(AIS_InteractiveObject)::DownCast(aEO->Selectable());
 312     anObject = myWorkshop->displayer()->getObject(anObj);
 313   }
 314   return anObject;
 315 }
 316
 317 //**************************************************************
 318 void XGUI_Selection::selectedOwners(SelectMgr_IndexedMapOfOwner& theSelectedOwners) const
 319 {
 320   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 321   if (!aContext.IsNull()) {
 322     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 323       theSelectedOwners.Add(aContext->SelectedOwner());
 324     }
 325   }
 326 }
 327
 328 //**************************************************************
 329 void XGUI_Selection::entityOwners(const Handle(AIS_InteractiveObject)& theObject,
 330                                   SelectMgr_IndexedMapOfOwner& theOwners) const
 331 {
 332   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 333   if (aContext.IsNull() || theObject.IsNull())
 334     return;
 335
 336   TColStd_ListOfInteger aModes;
 337   aContext->ActivatedModes(theObject, aModes);
 338
 339   TColStd_ListIteratorOfListOfInteger anIt(aModes);
 340   for (; anIt.More(); anIt.Next()) {
 341     int aMode = anIt.Value();
 342     if (!theObject->HasSelection(aMode))
 343       continue;
 344
 345     Handle(SelectMgr_Selection) aSelection = theObject->Selection(aMode);
 346     for (aSelection->Init(); aSelection->More(); aSelection->Next()) {
 347       Handle(SelectMgr_SensitiveEntity) anEntity = aSelection->Sensitive();
 348       if (anEntity.IsNull())
 349         continue;
 350       Handle(SelectMgr_EntityOwner) anOwner =
 351         Handle(SelectMgr_EntityOwner)::DownCast(anEntity->BaseSensitive()->OwnerId());
 352       if (!anOwner.IsNull())
 353         theOwners.Add(anOwner);
 354     }
 355   }
 356 }
 357
 358 //**************************************************************
 359 TopoDS_Shape XGUI_Selection::findAxisShape(Handle(AIS_InteractiveObject) theIO) const
 360 {
 361   TopoDS_Shape aShape;
 362   // Fill by trihedron shapes
 363   Handle(AIS_Axis) aAxis = Handle(AIS_Axis)::DownCast(theIO);
 364   if (!aAxis.IsNull()) {
 365     // an Axis from Trihedron
 366     Handle(Geom_Line) aLine = aAxis->Component();
 367     Handle(Prs3d_DatumAspect) DA = aAxis->Attributes()->DatumAspect();
 368     Handle(Geom_TrimmedCurve) aTLine = new Geom_TrimmedCurve(aLine, 0, DA->FirstAxisLength());
 369
 370     BRep_Builder aBuilder;
 371     TopoDS_Edge aEdge;
 372     aBuilder.MakeEdge(aEdge, aTLine, Precision::Confusion());
 373     if (!aEdge.IsNull())
 374       aShape = aEdge;
 375   } else {
 376     Handle(AIS_Point) aPoint = Handle(AIS_Point)::DownCast(theIO);
 377     if (!aPoint.IsNull()) {
 378       // A point from trihedron
 379       Handle(Geom_Point) aPnt = aPoint->Component();
 380       BRep_Builder aBuilder;
 381       TopoDS_Vertex aVertex;
 382       aBuilder.MakeVertex(aVertex, aPnt->Pnt(), Precision::Confusion());
 383       if (!aVertex.IsNull())
 384         aShape = aVertex;
 385     }
 386   }
 387   return aShape;
 388 }