src/XGUI/XGUI_Selection.cpp

   1 // Copyright (C) 2014-2019  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 email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "XGUI_Selection.h"
  21 #include "XGUI_Workshop.h"
  22 #include "XGUI_Displayer.h"
  23 #include "XGUI_ViewerProxy.h"
  24 #include "XGUI_ObjectsBrowser.h"
  25
  26 #include "ModuleBase_BRepOwner.h"
  27 #include "ModuleBase_ResultPrs.h"
  28 #include "ModuleBase_ViewerPrs.h"
  29
  30 #include <ModelAPI_Feature.h>
  31 #include <ModelAPI_Tools.h>
  32 #include <ModelAPI_Session.h>
  33 #include <ModelAPI_ResultBody.h>
  34 #include <ModelAPI_ResultConstruction.h>
  35
  36 #include <AIS_InteractiveContext.hxx>
  37 #ifdef BEFORE_TRIHEDRON_PATCH
  38 #include <AIS_Axis.hxx>
  39 #include <AIS_Point.hxx>
  40 #else
  41 #include <AIS_TrihedronOwner.hxx>
  42 #endif
  43 #include <Geom_Line.hxx>
  44 #include <BRep_Builder.hxx>
  45 #include <TopoDS_Edge.hxx>
  46 #include <Geom_Point.hxx>
  47 #include <Geom_TrimmedCurve.hxx>
  48 #include <Prs3d_DatumAspect.hxx>
  49
  50 #include <TColStd_ListIteratorOfListOfInteger.hxx>
  51 #include <StdSelect_BRepOwner.hxx>
  52
  53 #include <set>
  54
  55 #define DEBUG_DELIVERY
  56
  57 XGUI_Selection::XGUI_Selection(XGUI_Workshop* theWorkshop)
  58     : myWorkshop(theWorkshop)
  59 {
  60 }
  61
  62 QList<ModuleBase_ViewerPrsPtr> XGUI_Selection::getSelected(const SelectionPlace& thePlace) const
  63 {
  64   QList<ModuleBase_ViewerPrsPtr> aPresentations;
  65   QList<ModuleBase_ViewerPrsPtr> aToRemove;
  66
  67   switch (thePlace) {
  68     case Browser:
  69       getSelectedInBrowser(aPresentations);
  70     break;
  71     case Viewer:
  72       getSelectedInViewer(aPresentations);
  73     break;
  74   case AllControls:
  75     // Get selection from object browser
  76     getSelectedInBrowser(aPresentations);
  77
  78     // Filter out all objects except feature if there is no selected results in object browser
  79     // Filter out all features if in object browser there are selected features and their results
  80     bool aHasFeature = false;
  81     bool aHasResult = false;
  82     foreach(ModuleBase_ViewerPrsPtr aVal, aPresentations) {
  83       if (aVal->object().get()) {
  84         FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aVal->object());
  85         if (aFeature.get()) {
  86           aHasFeature = true;
  87           std::list<ResultPtr> aResList = aFeature->results();
  88           std::list<ResultPtr>::const_iterator aIt;
  89           for (aIt = aResList.cbegin(); aIt != aResList.cend(); aIt++) {
  90             foreach(ModuleBase_ViewerPrsPtr aSel, aPresentations) {
  91               if (aSel->object() == (*aIt)) {
  92                 aHasResult = true;
  93                 break;
  94               }
  95             }
  96             if (aHasResult)
  97               break;
  98           }
  99         }
 100       }
 101       if (aHasFeature && aHasResult)
 102         break;
 103     }
 104     //Get selection from a viewer
 105     getSelectedInViewer(aPresentations);
 106
 107     // Filter out extra objects
 108     if (aHasFeature && aHasResult) {
 109       foreach(ModuleBase_ViewerPrsPtr aVal, aPresentations) {
 110         if (aVal->object().get()) {
 111           FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aVal->object());
 112           if (aFeature.get()) {
 113             aToRemove.append(aVal);
 114           }
 115         }
 116       }
 117     }
 118     else if (aHasFeature && (!aHasResult)) {
 119       foreach(ModuleBase_ViewerPrsPtr aVal, aPresentations) {
 120         if (aVal->object().get()) {
 121           FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aVal->object());
 122           if (!aFeature.get()) {
 123             aToRemove.append(aVal);
 124           }
 125         }
 126       }
 127     }
 128     foreach(ModuleBase_ViewerPrsPtr aVal, aToRemove) {
 129       aPresentations.removeAll(aVal);
 130     }
 131     break;
 132   }
 133   return aPresentations;
 134 }
 135
 136 Handle(AIS_InteractiveObject) XGUI_Selection::getIO(const ModuleBase_ViewerPrsPtr& thePrs)
 137 {
 138   Handle(AIS_InteractiveObject) anIO = thePrs->interactive();
 139   if (anIO.IsNull()) {
 140     Handle(SelectMgr_EntityOwner) anOwner = thePrs->owner();
 141     if (!anOwner.IsNull())
 142       anIO = Handle(AIS_InteractiveObject)::DownCast(anOwner->Selectable());
 143
 144     if (anIO.IsNull() && thePrs->object()) {
 145       XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 146       AISObjectPtr anAISObject = aDisplayer->getAISObject(thePrs->object());
 147       if (anAISObject.get())
 148         anIO = anAISObject->impl<Handle(AIS_InteractiveObject)>();
 149     }
 150   }
 151   return anIO;
 152 }
 153
 154 void XGUI_Selection::getSelectedInViewer(QList<ModuleBase_ViewerPrsPtr>& thePresentations) const
 155 {
 156   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 157   if (!aContext.IsNull()) {
 158     QList<size_t> aSelectedIds; // Remember of selected address in order to avoid duplicates
 159     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 160       ModuleBase_ViewerPrsPtr aPrs(new ModuleBase_ViewerPrs());
 161       Handle(SelectMgr_EntityOwner) anOwner = aContext->SelectedOwner();
 162
 163       if (aSelectedIds.contains((size_t)anOwner.get()))
 164         continue;
 165       aSelectedIds.append((size_t)anOwner.get());
 166
 167       fillPresentation(aPrs, anOwner);
 168
 169       if (!thePresentations.contains(aPrs)) // TODO: check whether the presentation in a list
 170         thePresentations.append(aPrs);
 171     }
 172   }
 173 }
 174
 175 void XGUI_Selection::getSelectedInBrowser(QList<ModuleBase_ViewerPrsPtr>& thePresentations) const
 176 {
 177   // collect the objects  of the parameter presentation to avoid a repeted objects in the result
 178   QObjectPtrList aPresentationObjects;
 179   QList<ModuleBase_ViewerPrsPtr>::const_iterator aPrsIt = thePresentations.begin(),
 180                                               aPrsLast = thePresentations.end();
 181   for (; aPrsIt != aPrsLast; aPrsIt++) {
 182     aPresentationObjects.push_back((*aPrsIt)->object());
 183   }
 184
 185   QObjectPtrList anObjects = selectedObjects();
 186   QObjectPtrList::const_iterator anIt = anObjects.begin(), aLast = anObjects.end();
 187   for (; anIt != aLast; anIt++) {
 188     ObjectPtr anObject = *anIt;
 189     if (anObject.get() != NULL && !aPresentationObjects.contains(anObject)) {
 190       thePresentations.append(std::shared_ptr<ModuleBase_ViewerPrs>(
 191                new ModuleBase_ViewerPrs(anObject, GeomShapePtr(), NULL)));
 192     }
 193   }
 194 }
 195
 196 void XGUI_Selection::fillPresentation(ModuleBase_ViewerPrsPtr& thePrs,
 197                                       const Handle(SelectMgr_EntityOwner)& theOwner) const
 198 {
 199   thePrs->setOwner(theOwner);
 200   Handle(AIS_InteractiveObject) anIO =
 201                            Handle(AIS_InteractiveObject)::DownCast(theOwner->Selectable());
 202   thePrs->setInteractive(anIO);
 203
 204   // we should not check the appearance of this feature because there can be some selected shapes
 205   // for one feature
 206   Handle(StdSelect_BRepOwner) aBRO = Handle(StdSelect_BRepOwner)::DownCast(theOwner);
 207   if( !aBRO.IsNull() && aBRO->HasShape() ) {
 208     // the located method is called in the context to obtain the shape by the SelectedShape()
 209     // method, so the shape is located by the same rules
 210     TopoDS_Shape aShape = aBRO->Shape().Located (aBRO->Location() * aBRO->Shape().Location());
 211 #ifdef BEFORE_TRIHEDRON_PATCH
 212 #ifndef DEBUG_DELIVERY
 213     if (aShape.IsNull())
 214       aShape = findAxisShape(anIO);
 215 #endif
 216 #endif
 217     if (!aShape.IsNull()) {
 218       std::shared_ptr<GeomAPI_Shape> aGeomShape =
 219         std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 220       aGeomShape->setImpl(new TopoDS_Shape(aShape));
 221       thePrs->setShape(aGeomShape);
 222     }
 223   } else {
 224 #ifdef DEBUG_DELIVERY
 225     // Fill by trihedron shapes
 226 #ifdef BEFORE_TRIHEDRON_PATCH
 227     Handle(AIS_Axis) aAxis = Handle(AIS_Axis)::DownCast(anIO);
 228     DocumentPtr aDoc = ModelAPI_Session::get()->moduleDocument();
 229     int aSize = aDoc->size(ModelAPI_ResultConstruction::group());
 230     ObjectPtr aObj;
 231     if (!aAxis.IsNull()) {
 232       // an Axis from Trihedron
 233       gp_Lin aLine = aAxis->Component()->Lin();
 234       gp_Dir aDir = aLine.Direction();
 235       std::string aAxName;
 236       if (aDir.X() == 1.)
 237         aAxName = "OX";
 238       else if (aDir.Y() == 1.)
 239         aAxName = "OY";
 240       else if (aDir.Z() == 1.)
 241         aAxName = "OZ";
 242       if (aAxName.length() > 0) {
 243         ResultPtr aAx;
 244         for (int i = 0; i < aSize; i++) {
 245           aObj = aDoc->object(ModelAPI_ResultConstruction::group(), i);
 246           if (aObj->data()->name() == aAxName) {
 247             aAx = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
 248             break;
 249           }
 250         }
 251         if (aAx.get()) {
 252           thePrs->setObject(aAx);
 253           thePrs->setShape(aAx->shape());
 254           return;
 255         }
 256       }
 257     } else {
 258       Handle(AIS_Point) aPoint = Handle(AIS_Point)::DownCast(anIO);
 259       if (!aPoint.IsNull()) {
 260         // An origin point from trihedron
 261         ResultPtr aOrigin;
 262         for (int i = 0; i < aSize; i++) {
 263           aObj = aDoc->object(ModelAPI_ResultConstruction::group(), i);
 264           if (aObj->data()->name() == "Origin") {
 265             aOrigin = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
 266             break;
 267           }
 268         }
 269         if (aOrigin.get()) {
 270           thePrs->setObject(aOrigin);
 271           thePrs->setShape(aOrigin->shape());
 272           return;
 273         }
 274       }
 275     }
 276 #else
 277     /// find axis direction
 278     Handle(AIS_TrihedronOwner) aTrihedronOwner = Handle(AIS_TrihedronOwner)::DownCast(theOwner);
 279     if (!aTrihedronOwner.IsNull()) {
 280       const Prs3d_DatumParts& aPart = aTrihedronOwner->DatumPart();
 281       std::string aName;
 282       switch (aPart) {
 283         case Prs3d_DP_Origin: aName = "Origin"; break;
 284         case Prs3d_DP_XAxis: aName = "OX"; break;
 285         case Prs3d_DP_YAxis: aName = "OY"; break;
 286         case Prs3d_DP_ZAxis: aName = "OZ"; break;
 287         default: break;
 288       }
 289       if (aName.length() > 0) {
 290         DocumentPtr aDoc = ModelAPI_Session::get()->moduleDocument();
 291         int aSize = aDoc->size(ModelAPI_ResultConstruction::group());
 292         ObjectPtr aObj;
 293         ResultPtr aResult;
 294         for (int i = 0; i < aSize; i++) {
 295           aObj = aDoc->object(ModelAPI_ResultConstruction::group(), i);
 296           if (aObj->data()->name() == aName) {
 297             aResult = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
 298             break;
 299           }
 300         }
 301         if (aResult.get()) {
 302           thePrs->setObject(aResult);
 303           thePrs->setShape(aResult->shape());
 304           return;
 305         }
 306       }
 307     }
 308 #endif
 309 #endif
 310   }
 311
 312   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 313   ObjectPtr aFeature = aDisplayer->getObject(anIO);
 314
 315   Handle(ModuleBase_BRepOwner) aCompSolidBRO = Handle(ModuleBase_BRepOwner)::DownCast(theOwner);
 316   if (!aCompSolidBRO.IsNull()) {
 317     // If ModuleBase_BRepOwner object is created then it means that TopAbs_COMPSOLID selection mode
 318     // is On and we have to use parent result which corresponds to the CompSolid shape
 319     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(aFeature);
 320     if (aResult.get()) {
 321       ResultBodyPtr aCompSolid = ModelAPI_Tools::bodyOwner(aResult);
 322       if (aCompSolid.get()) {
 323         GeomShapePtr aShape = aCompSolid->shape();
 324         if (aShape.get() && aShape->isEqual(thePrs->shape())) {
 325           thePrs->setObject(aCompSolid);
 326           return;
 327         }
 328       }
 329     }
 330   }
 331   thePrs->setObject(aFeature);
 332 }
 333
 334 QList<ModuleBase_ViewerPrsPtr> XGUI_Selection::getHighlighted() const
 335 {
 336   QList<ModuleBase_ViewerPrsPtr> aPresentations;
 337   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 338   if (aContext.IsNull())
 339     return aPresentations;
 340
 341   QList<size_t> aSelectedIds; // Remember of selected address in order to avoid duplicates
 342   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 343   for (aContext->InitDetected(); aContext->MoreDetected(); aContext->NextDetected()) {
 344     Handle(SelectMgr_EntityOwner) anOwner = aContext->DetectedOwner();
 345     if (!anOwner.IsNull()) {
 346       if (aSelectedIds.contains((size_t)anOwner.get()))
 347         continue;
 348       aSelectedIds.append((size_t)anOwner.get());
 349
 350       ModuleBase_ViewerPrsPtr aPrs(new ModuleBase_ViewerPrs());
 351       fillPresentation(aPrs, anOwner);
 352       aPresentations.push_back(aPrs);
 353     }
 354   }
 355   return aPresentations;
 356 }
 357
 358 QObjectPtrList XGUI_Selection::selectedObjects() const
 359 {
 360   if (myWorkshop->objectBrowser())
 361     return myWorkshop->objectBrowser()->selectedObjects();
 362   return QObjectPtrList();
 363 }
 364
 365 QObjectPtrList XGUI_Selection::selectedPresentations() const
 366 {
 367   QObjectPtrList aSelectedList;
 368
 369   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 370   if (!aContext.IsNull()) {
 371     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 372       Handle(AIS_InteractiveObject) anIO = aContext->SelectedInteractive();
 373       ObjectPtr aResult = myWorkshop->displayer()->getObject(anIO);
 374       if (aResult)
 375         aSelectedList.append(aResult);
 376     }
 377   }
 378   return aSelectedList;
 379 }
 380
 381 //**************************************************************
 382 QModelIndexList XGUI_Selection::selectedIndexes() const
 383 {
 384   return myWorkshop->objectBrowser()->selectedIndexes();
 385 }
 386
 387 //**************************************************************
 388 ObjectPtr XGUI_Selection::getSelectableObject(const Handle(SelectMgr_EntityOwner)& theOwner) const
 389 {
 390   ObjectPtr anObject;
 391
 392   Handle(SelectMgr_EntityOwner) aEO = theOwner;
 393   if (!aEO.IsNull()) {
 394     Handle(AIS_InteractiveObject) anObj =
 395       Handle(AIS_InteractiveObject)::DownCast(aEO->Selectable());
 396     anObject = myWorkshop->displayer()->getObject(anObj);
 397   }
 398   return anObject;
 399 }
 400
 401 //**************************************************************
 402 void XGUI_Selection::selectedOwners(SelectMgr_IndexedMapOfOwner& theSelectedOwners) const
 403 {
 404   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 405   if (!aContext.IsNull()) {
 406     for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 407       theSelectedOwners.Add(aContext->SelectedOwner());
 408     }
 409   }
 410 }
 411
 412 //**************************************************************
 413 void XGUI_Selection::entityOwners(const Handle(AIS_InteractiveObject)& theObject,
 414                                   SelectMgr_IndexedMapOfOwner& theOwners) const
 415 {
 416   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 417   if (aContext.IsNull() || theObject.IsNull())
 418     return;
 419
 420   TColStd_ListOfInteger aModes;
 421   aContext->ActivatedModes(theObject, aModes);
 422
 423   TColStd_ListIteratorOfListOfInteger anIt(aModes);
 424   for (; anIt.More(); anIt.Next()) {
 425     int aMode = anIt.Value();
 426     if (!theObject->HasSelection(aMode))
 427       continue;
 428
 429     Handle(SelectMgr_Selection) aSelection = theObject->Selection(aMode);
 430     NCollection_Vector<Handle(SelectMgr_SensitiveEntity)> anEntities = aSelection->Entities();
 431     for (NCollection_Vector<Handle(SelectMgr_SensitiveEntity)>::Iterator anIt(anEntities);
 432          anIt.More();
 433          anIt.Next()) {
 434       Handle(SelectMgr_SensitiveEntity) anEntity = anIt.Value();
 435       if (anEntity.IsNull())
 436         continue;
 437        Handle(SelectMgr_EntityOwner) anOwner =
 438         Handle(SelectMgr_EntityOwner)::DownCast(anEntity->BaseSensitive()->OwnerId());
 439       if (!anOwner.IsNull())
 440         theOwners.Add(anOwner);
 441     }
 442   }
 443 }
 444
 445 //**************************************************************
 446 #ifdef BEFORE_TRIHEDRON_PATCH
 447 TopoDS_Shape XGUI_Selection::findAxisShape(Handle(AIS_InteractiveObject) theIO) const
 448 {
 449   TopoDS_Shape aShape;
 450   // Fill by trihedron shapes
 451   Handle(AIS_Axis) aAxis = Handle(AIS_Axis)::DownCast(theIO);
 452   if (!aAxis.IsNull()) {
 453     // an Axis from Trihedron
 454     Handle(Geom_Line) aLine = aAxis->Component();
 455     Handle(Prs3d_DatumAspect) DA = aAxis->Attributes()->DatumAspect();
 456     Handle(Geom_TrimmedCurve) aTLine = new Geom_TrimmedCurve(aLine, 0, DA->FirstAxisLength());
 457
 458     BRep_Builder aBuilder;
 459     TopoDS_Edge aEdge;
 460     aBuilder.MakeEdge(aEdge, aTLine, Precision::Confusion());
 461     if (!aEdge.IsNull())
 462       aShape = aEdge;
 463   } else {
 464     Handle(AIS_Point) aPoint = Handle(AIS_Point)::DownCast(theIO);
 465     if (!aPoint.IsNull()) {
 466       // A point from trihedron
 467       Handle(Geom_Point) aPnt = aPoint->Component();
 468       BRep_Builder aBuilder;
 469       TopoDS_Vertex aVertex;
 470       aBuilder.MakeVertex(aVertex, aPnt->Pnt(), Precision::Confusion());
 471       if (!aVertex.IsNull())
 472         aShape = aVertex;
 473     }
 474   }
 475   return aShape;
 476 }
 477 #endif