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