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 <ModelAPI_Feature.h>
  14
  15 #include <AIS_InteractiveContext.hxx>
  16 #include <AIS_Axis.hxx>
  17 #include <AIS_Point.hxx>
  18 #include <Geom_Line.hxx>
  19 #include <BRep_Builder.hxx>
  20 #include <TopoDS_Edge.hxx>
  21 #include <Geom_Point.hxx>
  22 #include <Geom_TrimmedCurve.hxx>
  23 #include <Prs3d_DatumAspect.hxx>
  24
  25 #include <TColStd_ListIteratorOfListOfInteger.hxx>
  26 #include <StdSelect_BRepOwner.hxx>
  27
  28 #include <set>
  29
  30 #define DEBUG_DELIVERY
  31
  32 XGUI_Selection::XGUI_Selection(XGUI_Workshop* theWorkshop)
  33     : myWorkshop(theWorkshop)
  34 {
  35 }
  36
  37 QList<ModuleBase_ViewerPrs> XGUI_Selection::getSelected(const SelectionPlace& thePlace) const
  38 {
  39   QList<ModuleBase_ViewerPrs> aPresentations;
  40
  41   switch (thePlace) {
  42     case Browser:
  43       getSelectedInBrowser(aPresentations);
  44     break;
  45     case Viewer:
  46       getSelectedInViewer(aPresentations);
  47     break;
  48   case AllControls:
  49       getSelectedInViewer(aPresentations);
  50       getSelectedInBrowser(aPresentations);
  51     break;
  52   }
  53   return aPresentations;
  54 }
  55
  56 Handle(AIS_InteractiveObject) XGUI_Selection::getIO(const ModuleBase_ViewerPrs& thePrs)
  57 {
  58   Handle(AIS_InteractiveObject) anIO = thePrs.interactive();
  59   if (anIO.IsNull()) {
  60     Handle(SelectMgr_EntityOwner) anOwner = thePrs.owner();
  61     if (!anOwner.IsNull())
  62       anIO = Handle(AIS_InteractiveObject)::DownCast(anOwner->Selectable());
  63
  64     if (anIO.IsNull() && thePrs.object()) {
  65       XGUI_Displayer* aDisplayer = myWorkshop->displayer();
  66       AISObjectPtr anAISObject = aDisplayer->getAISObject(thePrs.object());
  67       if (anAISObject.get())
  68         anIO = anAISObject->impl<Handle(AIS_InteractiveObject)>();
  69     }
  70   }
  71   return anIO;
  72 }
  73
  74 void XGUI_Selection::getSelectedInViewer(QList<ModuleBase_ViewerPrs>& thePresentations) const
  75 {
  76   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
  77   if (!aContext.IsNull() && aContext->HasOpenedContext()) {
  78     QList<long> aSelectedIds; // Remember of selected address in order to avoid duplicates
  79     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
  80       ModuleBase_ViewerPrs aPrs;
  81       Handle(SelectMgr_EntityOwner) anOwner = aContext->SelectedOwner();
  82
  83       if (aSelectedIds.contains((long)anOwner.Access()))
  84         continue;
  85       aSelectedIds.append((long)anOwner.Access());
  86
  87       fillPresentation(aPrs, anOwner);
  88
  89       if (!thePresentations.contains(aPrs)) // TODO: check whether the presentation in a list
  90         thePresentations.append(aPrs);
  91     }
  92   }
  93 }
  94
  95 void XGUI_Selection::getSelectedInBrowser(QList<ModuleBase_ViewerPrs>& thePresentations) const
  96 {
  97   // collect the objects  of the parameter presentation to avoid a repeted objects in the result
  98   QObjectPtrList aPresentationObjects;
  99   QList<ModuleBase_ViewerPrs>::const_iterator aPrsIt = thePresentations.begin(),
 100                                               aPrsLast = thePresentations.end();
 101   for (; aPrsIt != aPrsLast; aPrsIt++) {
 102     aPresentationObjects.push_back((*aPrsIt).object());
 103   }
 104
 105   QObjectPtrList anObjects = selectedObjects();
 106   QObjectPtrList::const_iterator anIt = anObjects.begin(), aLast = anObjects.end();
 107   for (; anIt != aLast; anIt++) {
 108     ObjectPtr anObject = *anIt;
 109     if (anObject.get() != NULL && !aPresentationObjects.contains(anObject)) {
 110       thePresentations.append(ModuleBase_ViewerPrs(anObject, TopoDS_Shape(), NULL));
 111     }
 112   }
 113 }
 114
 115 void XGUI_Selection::fillPresentation(ModuleBase_ViewerPrs& thePrs,
 116                                       const Handle(SelectMgr_EntityOwner)& theOwner) const
 117 {
 118   thePrs.setOwner(theOwner);
 119
 120   Handle(AIS_InteractiveObject) anIO =
 121                            Handle(AIS_InteractiveObject)::DownCast(theOwner->Selectable());
 122   thePrs.setInteractive(anIO);
 123
 124   // we should not check the appearance of this feature because there can be some selected shapes
 125   // for one feature
 126   Handle(StdSelect_BRepOwner) aBRO = Handle(StdSelect_BRepOwner)::DownCast(theOwner);
 127   if( !aBRO.IsNull() && aBRO->HasShape() ) {
 128     // the located method is called in the context to obtain the shape by the SelectedShape() method,
 129     // so the shape is located by the same rules
 130     TopoDS_Shape aShape = aBRO->Shape().Located (aBRO->Location() * aBRO->Shape().Location());
 131 #ifndef DEBUG_DELIVERY
 132     if (aShape.IsNull())
 133       aShape = findAxisShape(anIO);
 134 #endif
 135     if (!aShape.IsNull())
 136       thePrs.setShape(aShape);
 137   } else {
 138 #ifdef DEBUG_DELIVERY
 139     // Fill by trihedron shapes
 140     Handle(AIS_Axis) aAxis = Handle(AIS_Axis)::DownCast(anIO);
 141     if (!aAxis.IsNull()) {
 142       // an Axis from Trihedron
 143       Handle(Geom_Line) aLine = aAxis->Component();
 144       Handle(Prs3d_DatumAspect) DA = aAxis->Attributes()->DatumAspect();
 145       Handle(Geom_TrimmedCurve) aTLine = new Geom_TrimmedCurve(aLine, 0, DA->FirstAxisLength());
 146
 147       BRep_Builder aBuilder;
 148       TopoDS_Edge aEdge;
 149       aBuilder.MakeEdge(aEdge, aTLine, Precision::Confusion());
 150       if (!aEdge.IsNull())
 151         thePrs.setShape(aEdge);
 152     } else {
 153       Handle(AIS_Point) aPoint = Handle(AIS_Point)::DownCast(anIO);
 154       if (!aPoint.IsNull()) {
 155         // A point from trihedron
 156         Handle(Geom_Point) aPnt = aPoint->Component();
 157         BRep_Builder aBuilder;
 158         TopoDS_Vertex aVertex;
 159         aBuilder.MakeVertex(aVertex, aPnt->Pnt(), Precision::Confusion());
 160         if (!aVertex.IsNull())
 161           thePrs.setShape(aVertex);
 162       }
 163     }
 164 #endif
 165   }
 166
 167   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 168   ObjectPtr aFeature = aDisplayer->getObject(anIO);
 169   thePrs.setObject(aFeature);
 170 }
 171
 172 QList<ModuleBase_ViewerPrs> XGUI_Selection::getHighlighted() const
 173 {
 174   QList<ModuleBase_ViewerPrs> aPresentations;
 175   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 176   if (aContext.IsNull())
 177     return aPresentations;
 178
 179   QList<long> aSelectedIds; // Remember of selected address in order to avoid duplicates
 180   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 181   for (aContext->InitDetected(); aContext->MoreDetected(); aContext->NextDetected()) {
 182     ModuleBase_ViewerPrs aPrs;
 183     Handle(AIS_InteractiveObject) anIO = aContext->DetectedInteractive();
 184     if (aSelectedIds.contains((long)anIO.Access()))
 185       continue;
 186
 187     aSelectedIds.append((long)anIO.Access());
 188     aPrs.setInteractive(anIO);
 189
 190     ObjectPtr aResult = aDisplayer->getObject(anIO);
 191     // we should not check the appearance of this feature because there can be some selected shapes
 192     // for one feature
 193     aPrs.setObject(aResult);
 194     if (aContext->HasOpenedContext()) {
 195       TopoDS_Shape aShape = aContext->DetectedShape();
 196       if (!aShape.IsNull())
 197         aPrs.setShape(aShape);
 198     }
 199     aPresentations.push_back(aPrs);
 200   }
 201   return aPresentations;
 202 }
 203
 204 QObjectPtrList XGUI_Selection::selectedObjects() const
 205 {
 206   return myWorkshop->objectBrowser()->selectedObjects();
 207 }
 208
 209 void XGUI_Selection::setSelectedObjects( const QObjectPtrList& theObjects ) const
 210 {
 211   return myWorkshop->objectBrowser()->setObjectsSelected( theObjects );
 212 }
 213
 214 QObjectPtrList XGUI_Selection::selectedPresentations() const
 215 {
 216   QObjectPtrList aSelectedList;
 217
 218   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 219   if (!aContext.IsNull()) {
 220     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 221       Handle(AIS_InteractiveObject) anIO = aContext->SelectedInteractive();
 222       ObjectPtr aResult = myWorkshop->displayer()->getObject(anIO);
 223       if (aResult)
 224         aSelectedList.append(aResult);
 225     }
 226   }
 227   return aSelectedList;
 228 }
 229
 230 //**************************************************************
 231 QModelIndexList XGUI_Selection::selectedIndexes() const
 232 {
 233   return myWorkshop->objectBrowser()->selectedIndexes();
 234 }
 235
 236 //**************************************************************
 237 void XGUI_Selection::selectedAISObjects(AIS_ListOfInteractive& theList) const
 238 {
 239   theList.Clear();
 240
 241   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 242   if (!aContext.IsNull()) {
 243     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected())
 244       theList.Append(aContext->SelectedInteractive());
 245   }
 246 }
 247
 248 //**************************************************************
 249 ObjectPtr XGUI_Selection::getSelectableObject(const Handle(SelectMgr_EntityOwner)& theOwner) const
 250 {
 251   ObjectPtr anObject;
 252
 253   Handle(SelectMgr_EntityOwner) aEO = theOwner;
 254   if (!aEO.IsNull()) {
 255     Handle(AIS_InteractiveObject) anObj =
 256       Handle(AIS_InteractiveObject)::DownCast(aEO->Selectable());
 257     anObject = myWorkshop->displayer()->getObject(anObj);
 258   }
 259   return anObject;
 260 }
 261
 262 //**************************************************************
 263 void XGUI_Selection::selectedShapes(NCollection_List<TopoDS_Shape>& theList,
 264                                     std::list<ObjectPtr>& theOwners) const
 265 {
 266   theList.Clear();
 267   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 268   if (aContext.IsNull())
 269     return;
 270
 271   for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 272     TopoDS_Shape aShape = aContext->SelectedShape();
 273     if (aShape.IsNull()) {
 274       aShape = findAxisShape(aContext->SelectedInteractive());
 275     }
 276     if (!aShape.IsNull()) {
 277       theList.Append(aShape);
 278       Handle(SelectMgr_EntityOwner) aEO = aContext->SelectedOwner();
 279       if (!aEO.IsNull()) {
 280         Handle(AIS_InteractiveObject) anObj =
 281           Handle(AIS_InteractiveObject)::DownCast(aEO->Selectable());
 282         ObjectPtr anObject = myWorkshop->displayer()->getObject(anObj);
 283         theOwners.push_back(anObject);
 284       }
 285     }
 286   }
 287 }
 288
 289 //**************************************************************
 290 void XGUI_Selection::selectedOwners(SelectMgr_IndexedMapOfOwner& theSelectedOwners) const
 291 {
 292   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 293   if (!aContext.IsNull()) {
 294     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 295       theSelectedOwners.Add(aContext->SelectedOwner());
 296     }
 297   }
 298 }
 299
 300 //**************************************************************
 301 void XGUI_Selection::entityOwners(const Handle(AIS_InteractiveObject)& theObject,
 302                                   SelectMgr_IndexedMapOfOwner& theOwners) const
 303 {
 304   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 305   if (aContext.IsNull() || theObject.IsNull())
 306     return;
 307
 308   TColStd_ListOfInteger aModes;
 309   aContext->ActivatedModes(theObject, aModes);
 310
 311   TColStd_ListIteratorOfListOfInteger anIt(aModes);
 312   for (; anIt.More(); anIt.Next()) {
 313     int aMode = anIt.Value();
 314     if (!theObject->HasSelection(aMode))
 315       continue;
 316
 317     Handle(SelectMgr_Selection) aSelection = theObject->Selection(aMode);
 318     for (aSelection->Init(); aSelection->More(); aSelection->Next()) {
 319       Handle(SelectMgr_SensitiveEntity) anEntity = aSelection->Sensitive();
 320       if (anEntity.IsNull())
 321         continue;
 322       Handle(SelectMgr_EntityOwner) anOwner =
 323         Handle(SelectMgr_EntityOwner)::DownCast(anEntity->BaseSensitive()->OwnerId());
 324       if (!anOwner.IsNull())
 325         theOwners.Add(anOwner);
 326     }
 327   }
 328 }
 329
 330 //**************************************************************
 331 TopoDS_Shape XGUI_Selection::findAxisShape(Handle(AIS_InteractiveObject) theIO) const
 332 {
 333   TopoDS_Shape aShape;
 334   // Fill by trihedron shapes
 335   Handle(AIS_Axis) aAxis = Handle(AIS_Axis)::DownCast(theIO);
 336   if (!aAxis.IsNull()) {
 337     // an Axis from Trihedron
 338     Handle(Geom_Line) aLine = aAxis->Component();
 339     Handle(Prs3d_DatumAspect) DA = aAxis->Attributes()->DatumAspect();
 340     Handle(Geom_TrimmedCurve) aTLine = new Geom_TrimmedCurve(aLine, 0, DA->FirstAxisLength());
 341
 342     BRep_Builder aBuilder;
 343     TopoDS_Edge aEdge;
 344     aBuilder.MakeEdge(aEdge, aTLine, Precision::Confusion());
 345     if (!aEdge.IsNull())
 346       aShape = aEdge;
 347   } else {
 348     Handle(AIS_Point) aPoint = Handle(AIS_Point)::DownCast(theIO);
 349     if (!aPoint.IsNull()) {
 350       // A point from trihedron
 351       Handle(Geom_Point) aPnt = aPoint->Component();
 352       BRep_Builder aBuilder;
 353       TopoDS_Vertex aVertex;
 354       aBuilder.MakeVertex(aVertex, aPnt->Pnt(), Precision::Confusion());
 355       if (!aVertex.IsNull())
 356         aShape = aVertex;
 357     }
 358   }
 359   return aShape;
 360 }