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