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