src/XGUI/XGUI_Selection.cpp

   1 // Copyright (C) 2014-2017  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include "XGUI_Selection.h"
  22 #include "XGUI_Workshop.h"
  23 #include "XGUI_Displayer.h"
  24 #include "XGUI_ViewerProxy.h"
  25 #include "XGUI_ObjectsBrowser.h"
  26
  27 #include "ModuleBase_BRepOwner.h"
  28 #include "ModuleBase_ResultPrs.h"
  29 #include "ModuleBase_ViewerPrs.h"
  30
  31 #include <ModelAPI_Feature.h>
  32 #include <ModelAPI_Tools.h>
  33 #include <ModelAPI_Session.h>
  34 #include <ModelAPI_ResultCompSolid.h>
  35 #include <ModelAPI_ResultConstruction.h>
  36
  37 #include <AIS_InteractiveContext.hxx>
  38 #ifdef BEFORE_TRIHEDRON_PATCH
  39 #include <AIS_Axis.hxx>
  40 #include <AIS_Point.hxx>
  41 #else
  42 #include <AIS_TrihedronOwner.hxx>
  43 #endif
  44 #include <Geom_Line.hxx>
  45 #include <BRep_Builder.hxx>
  46 #include <TopoDS_Edge.hxx>
  47 #include <Geom_Point.hxx>
  48 #include <Geom_TrimmedCurve.hxx>
  49 #include <Prs3d_DatumAspect.hxx>
  50
  51 #include <TColStd_ListIteratorOfListOfInteger.hxx>
  52 #include <StdSelect_BRepOwner.hxx>
  53
  54 #include <set>
  55
  56 #define DEBUG_DELIVERY
  57
  58 XGUI_Selection::XGUI_Selection(XGUI_Workshop* theWorkshop)
  59     : myWorkshop(theWorkshop)
  60 {
  61 }
  62
  63 QList<ModuleBase_ViewerPrsPtr> XGUI_Selection::getSelected(const SelectionPlace& thePlace) const
  64 {
  65   QList<ModuleBase_ViewerPrsPtr> aPresentations;
  66
  67   switch (thePlace) {
  68     case Browser:
  69       getSelectedInBrowser(aPresentations);
  70     break;
  71     case Viewer:
  72       getSelectedInViewer(aPresentations);
  73     break;
  74   case AllControls:
  75       getSelectedInViewer(aPresentations);
  76       getSelectedInBrowser(aPresentations);
  77     break;
  78   }
  79   return aPresentations;
  80 }
  81
  82 Handle(AIS_InteractiveObject) XGUI_Selection::getIO(const ModuleBase_ViewerPrsPtr& thePrs)
  83 {
  84   Handle(AIS_InteractiveObject) anIO = thePrs->interactive();
  85   if (anIO.IsNull()) {
  86     Handle(SelectMgr_EntityOwner) anOwner = thePrs->owner();
  87     if (!anOwner.IsNull())
  88       anIO = Handle(AIS_InteractiveObject)::DownCast(anOwner->Selectable());
  89
  90     if (anIO.IsNull() && thePrs->object()) {
  91       XGUI_Displayer* aDisplayer = myWorkshop->displayer();
  92       AISObjectPtr anAISObject = aDisplayer->getAISObject(thePrs->object());
  93       if (anAISObject.get())
  94         anIO = anAISObject->impl<Handle(AIS_InteractiveObject)>();
  95     }
  96   }
  97   return anIO;
  98 }
  99
 100 void XGUI_Selection::getSelectedInViewer(QList<ModuleBase_ViewerPrsPtr>& thePresentations) const
 101 {
 102   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 103   if (!aContext.IsNull()) {
 104     QList<long> aSelectedIds; // Remember of selected address in order to avoid duplicates
 105     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 106       ModuleBase_ViewerPrsPtr aPrs(new ModuleBase_ViewerPrs());
 107       Handle(SelectMgr_EntityOwner) anOwner = aContext->SelectedOwner();
 108
 109       if (aSelectedIds.contains((long)anOwner.get()))
 110         continue;
 111       aSelectedIds.append((long)anOwner.get());
 112
 113       fillPresentation(aPrs, anOwner);
 114
 115       if (!thePresentations.contains(aPrs)) // TODO: check whether the presentation in a list
 116         thePresentations.append(aPrs);
 117     }
 118   }
 119 }
 120
 121 void XGUI_Selection::getSelectedInBrowser(QList<ModuleBase_ViewerPrsPtr>& thePresentations) const
 122 {
 123   // collect the objects  of the parameter presentation to avoid a repeted objects in the result
 124   QObjectPtrList aPresentationObjects;
 125   QList<ModuleBase_ViewerPrsPtr>::const_iterator aPrsIt = thePresentations.begin(),
 126                                               aPrsLast = thePresentations.end();
 127   for (; aPrsIt != aPrsLast; aPrsIt++) {
 128     aPresentationObjects.push_back((*aPrsIt)->object());
 129   }
 130
 131   QObjectPtrList anObjects = selectedObjects();
 132   QObjectPtrList::const_iterator anIt = anObjects.begin(), aLast = anObjects.end();
 133   for (; anIt != aLast; anIt++) {
 134     ObjectPtr anObject = *anIt;
 135     if (anObject.get() != NULL && !aPresentationObjects.contains(anObject)) {
 136       thePresentations.append(std::shared_ptr<ModuleBase_ViewerPrs>(
 137                new ModuleBase_ViewerPrs(anObject, GeomShapePtr(), NULL)));
 138     }
 139   }
 140 }
 141
 142 void XGUI_Selection::fillPresentation(ModuleBase_ViewerPrsPtr& thePrs,
 143                                       const Handle(SelectMgr_EntityOwner)& theOwner) const
 144 {
 145   thePrs->setOwner(theOwner);
 146   Handle(AIS_InteractiveObject) anIO =
 147                            Handle(AIS_InteractiveObject)::DownCast(theOwner->Selectable());
 148   thePrs->setInteractive(anIO);
 149
 150   // we should not check the appearance of this feature because there can be some selected shapes
 151   // for one feature
 152   Handle(StdSelect_BRepOwner) aBRO = Handle(StdSelect_BRepOwner)::DownCast(theOwner);
 153   if( !aBRO.IsNull() && aBRO->HasShape() ) {
 154     // the located method is called in the context to obtain the shape by the SelectedShape()
 155     // method, so the shape is located by the same rules
 156     TopoDS_Shape aShape = aBRO->Shape().Located (aBRO->Location() * aBRO->Shape().Location());
 157 #ifdef BEFORE_TRIHEDRON_PATCH
 158 #ifndef DEBUG_DELIVERY
 159     if (aShape.IsNull())
 160       aShape = findAxisShape(anIO);
 161 #endif
 162 #endif
 163     if (!aShape.IsNull()) {
 164       std::shared_ptr<GeomAPI_Shape> aGeomShape =
 165         std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 166       aGeomShape->setImpl(new TopoDS_Shape(aShape));
 167       thePrs->setShape(aGeomShape);
 168     }
 169   } else {
 170 #ifdef DEBUG_DELIVERY
 171     // Fill by trihedron shapes
 172 #ifdef BEFORE_TRIHEDRON_PATCH
 173     Handle(AIS_Axis) aAxis = Handle(AIS_Axis)::DownCast(anIO);
 174     DocumentPtr aDoc = ModelAPI_Session::get()->moduleDocument();
 175     int aSize = aDoc->size(ModelAPI_ResultConstruction::group());
 176     ObjectPtr aObj;
 177     if (!aAxis.IsNull()) {
 178       // an Axis from Trihedron
 179       gp_Lin aLine = aAxis->Component()->Lin();
 180       gp_Dir aDir = aLine.Direction();
 181       std::string aAxName;
 182       if (aDir.X() == 1.)
 183         aAxName = "OX";
 184       else if (aDir.Y() == 1.)
 185         aAxName = "OY";
 186       else if (aDir.Z() == 1.)
 187         aAxName = "OZ";
 188       if (aAxName.length() > 0) {
 189         ResultPtr aAx;
 190         for (int i = 0; i < aSize; i++) {
 191           aObj = aDoc->object(ModelAPI_ResultConstruction::group(), i);
 192           if (aObj->data()->name() == aAxName) {
 193             aAx = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
 194             break;
 195           }
 196         }
 197         if (aAx.get()) {
 198           thePrs->setObject(aAx);
 199           thePrs->setShape(aAx->shape());
 200           return;
 201         }
 202       }
 203     } else {
 204       Handle(AIS_Point) aPoint = Handle(AIS_Point)::DownCast(anIO);
 205       if (!aPoint.IsNull()) {
 206         // An origin point from trihedron
 207         ResultPtr aOrigin;
 208         for (int i = 0; i < aSize; i++) {
 209           aObj = aDoc->object(ModelAPI_ResultConstruction::group(), i);
 210           if (aObj->data()->name() == "Origin") {
 211             aOrigin = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
 212             break;
 213           }
 214         }
 215         if (aOrigin.get()) {
 216           thePrs->setObject(aOrigin);
 217           thePrs->setShape(aOrigin->shape());
 218           return;
 219         }
 220       }
 221     }
 222 #else
 223     /// find axis direction
 224     Handle(AIS_TrihedronOwner) aTrihedronOwner = Handle(AIS_TrihedronOwner)::DownCast(theOwner);
 225     if (!aTrihedronOwner.IsNull()) {
 226       const Prs3d_DatumParts& aPart = aTrihedronOwner->DatumPart();
 227       std::string aName;
 228       switch (aPart) {
 229         case Prs3d_DP_Origin: aName = "Origin"; break;
 230         case Prs3d_DP_XAxis: aName = "OX"; break;
 231         case Prs3d_DP_YAxis: aName = "OY"; break;
 232         case Prs3d_DP_ZAxis: aName = "OZ"; break;
 233         default: break;
 234       }
 235       if (aName.length() > 0) {
 236         DocumentPtr aDoc = ModelAPI_Session::get()->moduleDocument();
 237         int aSize = aDoc->size(ModelAPI_ResultConstruction::group());
 238         ObjectPtr aObj;
 239         ResultPtr aResult;
 240         for (int i = 0; i < aSize; i++) {
 241           aObj = aDoc->object(ModelAPI_ResultConstruction::group(), i);
 242           if (aObj->data()->name() == aName) {
 243             aResult = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
 244             break;
 245           }
 246         }
 247         if (aResult.get()) {
 248           thePrs->setObject(aResult);
 249           thePrs->setShape(aResult->shape());
 250           return;
 251         }
 252       }
 253     }
 254 #endif
 255 #endif
 256   }
 257
 258   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 259   ObjectPtr aFeature = aDisplayer->getObject(anIO);
 260
 261   Handle(ModuleBase_BRepOwner) aCompSolidBRO = Handle(ModuleBase_BRepOwner)::DownCast(theOwner);
 262   if (!aCompSolidBRO.IsNull()) {
 263     // If ModuleBase_BRepOwner object is created then it means that TopAbs_COMPSOLID selection mode
 264     // is On and we have to use parent result which corresponds to the CompSolid shape
 265     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(aFeature);
 266     if (aResult.get()) {
 267       ResultCompSolidPtr aCompSolid = ModelAPI_Tools::compSolidOwner(aResult);
 268       if (aCompSolid.get()) {
 269         GeomShapePtr aShape = aCompSolid->shape();
 270         if (aShape.get() && aShape->isEqual(thePrs->shape())) {
 271           thePrs->setObject(aCompSolid);
 272           return;
 273         }
 274       }
 275     }
 276   }
 277   thePrs->setObject(aFeature);
 278 }
 279
 280 QList<ModuleBase_ViewerPrsPtr> XGUI_Selection::getHighlighted() const
 281 {
 282   QList<ModuleBase_ViewerPrsPtr> aPresentations;
 283   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 284   if (aContext.IsNull())
 285     return aPresentations;
 286
 287   QList<long> aSelectedIds; // Remember of selected address in order to avoid duplicates
 288   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 289   for (aContext->InitDetected(); aContext->MoreDetected(); aContext->NextDetected()) {
 290     Handle(SelectMgr_EntityOwner) anOwner = aContext->DetectedOwner();
 291     if (!anOwner.IsNull()) {
 292       if (aSelectedIds.contains((long)anOwner.get()))
 293         continue;
 294       aSelectedIds.append((long)anOwner.get());
 295
 296       ModuleBase_ViewerPrsPtr aPrs(new ModuleBase_ViewerPrs());
 297       fillPresentation(aPrs, anOwner);
 298       aPresentations.push_back(aPrs);
 299     }
 300   }
 301   return aPresentations;
 302 }
 303
 304 QObjectPtrList XGUI_Selection::selectedObjects() const
 305 {
 306   if (myWorkshop->objectBrowser())
 307     return myWorkshop->objectBrowser()->selectedObjects();
 308   return QObjectPtrList();
 309 }
 310
 311 QObjectPtrList XGUI_Selection::selectedPresentations() const
 312 {
 313   QObjectPtrList aSelectedList;
 314
 315   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 316   if (!aContext.IsNull()) {
 317     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 318       Handle(AIS_InteractiveObject) anIO = aContext->SelectedInteractive();
 319       ObjectPtr aResult = myWorkshop->displayer()->getObject(anIO);
 320       if (aResult)
 321         aSelectedList.append(aResult);
 322     }
 323   }
 324   return aSelectedList;
 325 }
 326
 327 //**************************************************************
 328 QModelIndexList XGUI_Selection::selectedIndexes() const
 329 {
 330   return myWorkshop->objectBrowser()->selectedIndexes();
 331 }
 332
 333 //**************************************************************
 334 ObjectPtr XGUI_Selection::getSelectableObject(const Handle(SelectMgr_EntityOwner)& theOwner) const
 335 {
 336   ObjectPtr anObject;
 337
 338   Handle(SelectMgr_EntityOwner) aEO = theOwner;
 339   if (!aEO.IsNull()) {
 340     Handle(AIS_InteractiveObject) anObj =
 341       Handle(AIS_InteractiveObject)::DownCast(aEO->Selectable());
 342     anObject = myWorkshop->displayer()->getObject(anObj);
 343   }
 344   return anObject;
 345 }
 346
 347 //**************************************************************
 348 void XGUI_Selection::selectedOwners(SelectMgr_IndexedMapOfOwner& theSelectedOwners) const
 349 {
 350   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 351   if (!aContext.IsNull()) {
 352     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 353       theSelectedOwners.Add(aContext->SelectedOwner());
 354     }
 355   }
 356 }
 357
 358 //**************************************************************
 359 void XGUI_Selection::entityOwners(const Handle(AIS_InteractiveObject)& theObject,
 360                                   SelectMgr_IndexedMapOfOwner& theOwners) const
 361 {
 362   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 363   if (aContext.IsNull() || theObject.IsNull())
 364     return;
 365
 366   TColStd_ListOfInteger aModes;
 367   aContext->ActivatedModes(theObject, aModes);
 368
 369   TColStd_ListIteratorOfListOfInteger anIt(aModes);
 370   for (; anIt.More(); anIt.Next()) {
 371     int aMode = anIt.Value();
 372     if (!theObject->HasSelection(aMode))
 373       continue;
 374
 375     Handle(SelectMgr_Selection) aSelection = theObject->Selection(aMode);
 376     for (aSelection->Init(); aSelection->More(); aSelection->Next()) {
 377       Handle(SelectMgr_SensitiveEntity) anEntity = aSelection->Sensitive();
 378       if (anEntity.IsNull())
 379         continue;
 380       Handle(SelectMgr_EntityOwner) anOwner =
 381         Handle(SelectMgr_EntityOwner)::DownCast(anEntity->BaseSensitive()->OwnerId());
 382       if (!anOwner.IsNull())
 383         theOwners.Add(anOwner);
 384     }
 385   }
 386 }
 387
 388 //**************************************************************
 389 #ifdef BEFORE_TRIHEDRON_PATCH
 390 TopoDS_Shape XGUI_Selection::findAxisShape(Handle(AIS_InteractiveObject) theIO) const
 391 {
 392   TopoDS_Shape aShape;
 393   // Fill by trihedron shapes
 394   Handle(AIS_Axis) aAxis = Handle(AIS_Axis)::DownCast(theIO);
 395   if (!aAxis.IsNull()) {
 396     // an Axis from Trihedron
 397     Handle(Geom_Line) aLine = aAxis->Component();
 398     Handle(Prs3d_DatumAspect) DA = aAxis->Attributes()->DatumAspect();
 399     Handle(Geom_TrimmedCurve) aTLine = new Geom_TrimmedCurve(aLine, 0, DA->FirstAxisLength());
 400
 401     BRep_Builder aBuilder;
 402     TopoDS_Edge aEdge;
 403     aBuilder.MakeEdge(aEdge, aTLine, Precision::Confusion());
 404     if (!aEdge.IsNull())
 405       aShape = aEdge;
 406   } else {
 407     Handle(AIS_Point) aPoint = Handle(AIS_Point)::DownCast(theIO);
 408     if (!aPoint.IsNull()) {
 409       // A point from trihedron
 410       Handle(Geom_Point) aPnt = aPoint->Component();
 411       BRep_Builder aBuilder;
 412       TopoDS_Vertex aVertex;
 413       aBuilder.MakeVertex(aVertex, aPnt->Pnt(), Precision::Confusion());
 414       if (!aVertex.IsNull())
 415         aShape = aVertex;
 416     }
 417   }
 418   return aShape;
 419 }
 420 #endif