src/XGUI/XGUI_SelectionMgr.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_SelectionMgr.h"
  21
  22 #include "XGUI_Workshop.h"
  23 #include "XGUI_ObjectsBrowser.h"
  24 #include "XGUI_SalomeConnector.h"
  25 #include "XGUI_ViewerProxy.h"
  26 #include "XGUI_Displayer.h"
  27 #include "XGUI_Selection.h"
  28 #include "XGUI_OperationMgr.h"
  29 #include "XGUI_SelectionActivate.h"
  30
  31 #ifndef HAVE_SALOME
  32 #include <AppElements_MainWindow.h>
  33 #endif
  34
  35 #include <ModelAPI_Feature.h>
  36 #include <ModelAPI_Session.h>
  37 #include <ModelAPI_AttributeDocRef.h>
  38 #include <ModelAPI_Data.h>
  39 #include <ModelAPI_Result.h>
  40 #include <ModelAPI_Object.h>
  41 #include <ModelAPI_ResultBody.h>
  42 #include <ModelAPI_Tools.h>
  43 #include <ModelAPI_ResultField.h>
  44
  45 #include <GeomAPI_Shape.h>
  46
  47 #include <ModuleBase_ViewerPrs.h>
  48 #include <ModuleBase_Tools.h>
  49
  50 #include <SelectMgr_ListIteratorOfListOfFilter.hxx>
  51 #include <TopExp_Explorer.hxx>
  52 #include <TopoDS_Shape.hxx>
  53 #include <TopTools_MapOfShape.hxx>
  54
  55 #ifdef TINSPECTOR
  56 #include <inspector/VInspectorAPI_CallBack.hxx>
  57 #endif
  58
  59 #define OPTIMIZATION_LEVEL 50
  60
  61
  62 XGUI_SelectionMgr::XGUI_SelectionMgr(XGUI_Workshop* theParent)
  63     : QObject(theParent),
  64       myWorkshop(theParent)
  65 {
  66   mySelection = new XGUI_Selection(myWorkshop);
  67 }
  68
  69 XGUI_SelectionMgr::~XGUI_SelectionMgr()
  70 {
  71   delete mySelection;
  72 }
  73
  74 //**************************************************************
  75 void XGUI_SelectionMgr::connectViewers()
  76 {
  77   connect(myWorkshop->objectBrowser(), SIGNAL(selectionChanged()), this,
  78           SLOT(onObjectBrowserSelection()));
  79
  80   //Connect to other viewers
  81   connect(myWorkshop->viewer(), SIGNAL(selectionChanged()), this, SLOT(onViewerSelection()));
  82 }
  83
  84 //**************************************************************
  85 void XGUI_SelectionMgr::setSelectedOwners(const SelectMgr_IndexedMapOfOwner& theSelectedOwners,
  86                                           bool isUpdateViewer)
  87 {
  88   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
  89   if (!aContext.IsNull()) {
  90     /// previous selection should be cleared, else there will be decomposition of selections:
  91     /// as AddOrRemoveSelected inverts current selection
  92     aContext->ClearSelected(false);
  93
  94     for  (Standard_Integer i = 1, n = theSelectedOwners.Extent(); i <= n; i++)  {
  95       Handle(SelectMgr_EntityOwner) anOwner = theSelectedOwners(i);
  96
  97       aContext->AddOrRemoveSelected(anOwner, isUpdateViewer);
  98       #ifdef TINSPECTOR
  99       if (myWorkshop->displayer()->getCallBack())
 100         myWorkshop->displayer()->getCallBack()->AddOrRemoveSelected(anOwner);
 101       #endif
 102     }
 103   }
 104 }
 105
 106 //**************************************************************
 107 void XGUI_SelectionMgr::onObjectBrowserSelection()
 108 {
 109   myLastSelectionPlace = ModuleBase_ISelection::Browser;
 110   QList<ModuleBase_ViewerPrsPtr> aSelectedPrs =
 111     myWorkshop->selector()->selection()->getSelected(ModuleBase_ISelection::Browser);
 112   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 113   if (!myWorkshop->operationMgr()->hasOperation()) {
 114
 115     ObjectPtr aObject;
 116     FeaturePtr aFeature;
 117     // Select all results of a selected feature in viewer
 118     foreach(ModuleBase_ViewerPrsPtr aPrs, aSelectedPrs) {
 119       aObject = aPrs->object();
 120       if (aObject.get()) {
 121         aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObject);
 122         if (aFeature.get()) {
 123           std::list<ResultPtr> allRes;
 124           ModelAPI_Tools::allResults(aFeature, allRes);
 125           std::list<ResultPtr>::iterator aRes;
 126           for(aRes = allRes.begin(); aRes != allRes.end(); aRes++) {
 127             aSelectedPrs.append(std::shared_ptr<ModuleBase_ViewerPrs>(
 128               new ModuleBase_ViewerPrs(*aRes, GeomShapePtr(), NULL)));
 129           }
 130         }
 131       }
 132     }
 133   }
 134   aDisplayer->setSelected(aSelectedPrs);
 135   myWorkshop->updateColorScaleVisibility();
 136   emit selectionChanged();
 137 }
 138
 139 //**************************************************************
 140 void XGUI_SelectionMgr::onViewerSelection()
 141 {
 142   myLastSelectionPlace = ModuleBase_ISelection::Viewer;
 143   QList<ModuleBase_ViewerPrsPtr> aValues;
 144   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 145   if (!aContext.IsNull())
 146     aValues = selection()->getSelected(ModuleBase_ISelection::Viewer);
 147
 148   QObjectPtrList anObjects;
 149   convertToObjectBrowserSelection(aValues, anObjects);
 150   myWorkshop->objectBrowser()->setObjectsSelected(anObjects);
 151
 152   emit selectionChanged();
 153 }
 154
 155 //**************************************************************
 156 void XGUI_SelectionMgr::deselectPresentation(const Handle(AIS_InteractiveObject) theObject)
 157 {
 158   NCollection_List<Handle(SelectBasics_EntityOwner)> aResultOwners;
 159
 160   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 161   for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 162     Handle(SelectMgr_EntityOwner) anOwner = aContext->SelectedOwner();
 163     if (anOwner.IsNull()) // TODO: check why it is possible
 164       continue;
 165     if (anOwner->Selectable() == theObject && anOwner->IsSelected())
 166       aResultOwners.Append(anOwner);
 167   }
 168   NCollection_List<Handle(SelectBasics_EntityOwner)>::Iterator anOwnersIt (aResultOwners);
 169   Handle(SelectMgr_EntityOwner) anOwner;
 170   for (; anOwnersIt.More(); anOwnersIt.Next()) {
 171     anOwner = Handle(SelectMgr_EntityOwner)::DownCast(anOwnersIt.Value());
 172     if (!anOwner.IsNull())
 173       aContext->AddOrRemoveSelected(anOwner, false);
 174   }
 175 }
 176
 177 //**************************************************************
 178 void XGUI_SelectionMgr::updateSelectionBy(const ModuleBase_ISelection::SelectionPlace& thePlace)
 179 {
 180   QList<ModuleBase_ViewerPrsPtr> aSelectedPrs =
 181                myWorkshop->selector()->selection()->getSelected(thePlace);
 182   if (thePlace == ModuleBase_ISelection::Browser) {
 183     XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 184     aDisplayer->setSelected(aSelectedPrs);
 185   }
 186
 187 }
 188 //**************************************************************
 189 void XGUI_SelectionMgr::clearSelection()
 190 {
 191   QObjectPtrList aFeatures;
 192   myWorkshop->objectBrowser()->setObjectsSelected(aFeatures);
 193
 194   QList<ModuleBase_ViewerPrsPtr> aSelectedPrs =
 195              myWorkshop->selector()->selection()->getSelected(ModuleBase_ISelection::Browser);
 196
 197   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 198   aDisplayer->setSelected(aSelectedPrs);
 199
 200   emit selectionChanged();
 201 }
 202 //**************************************************************
 203 void XGUI_SelectionMgr::setSelected(const QList<ModuleBase_ViewerPrsPtr>& theValues)
 204 {
 205   // update selection in Viewer
 206   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 207   aDisplayer->setSelected(theValues);
 208
 209   // update selection in Object Browser
 210   QObjectPtrList anObjects;
 211   convertToObjectBrowserSelection(theValues, anObjects);
 212   myWorkshop->objectBrowser()->setObjectsSelected(anObjects);
 213 }
 214
 215 //**************************************************************
 216 void XGUI_SelectionMgr::convertToObjectBrowserSelection(
 217                                    const QList<ModuleBase_ViewerPrsPtr>& theValues,
 218                                    QObjectPtrList& theObjects)
 219 {
 220   theObjects.clear();
 221
 222   ResultPtr aResult;
 223   FeaturePtr aFeature;
 224   bool aHasOperation = (myWorkshop->operationMgr()->currentOperation() != 0);
 225   SessionPtr aMgr = ModelAPI_Session::get();
 226   DocumentPtr anActiveDocument = aMgr->activeDocument();
 227
 228   TopTools_MapOfShape aShapeMap;
 229   bool aToOptimize = (theValues.size() > OPTIMIZATION_LEVEL);
 230
 231   GeomShapePtr aShape;
 232   TopoDS_Shape aTShape;
 233   foreach(ModuleBase_ViewerPrsPtr aPrs, theValues) {
 234     if (aPrs->object().get()) {
 235       if (!theObjects.contains(aPrs->object()))
 236         theObjects.append(aPrs->object());
 237       if (aPrs->shape().get() && (!aHasOperation)) {
 238         aResult = std::dynamic_pointer_cast<ModelAPI_Result>(aPrs->object());
 239         if (aResult.get()) {
 240           aShape = aPrs->shape();
 241           aTShape = aShape->impl<TopoDS_Shape>();
 242           if (aToOptimize) {
 243             if (!aShapeMap.Contains(aTShape)) {
 244               aFeature = anActiveDocument->producedByFeature(aResult, aShape);
 245               if (aFeature.get()) {
 246                 QList<TopoDS_Shape> aResList = findAllShapes(aResult);
 247                 foreach(TopoDS_Shape aShape, aResList) {
 248                   if (!aShapeMap.Contains(aShape))
 249                     aShapeMap.Add(aShape);
 250                 }
 251               }
 252             }
 253           }
 254           else {
 255             aFeature = anActiveDocument->producedByFeature(aResult, aShape);
 256           }
 257           if (aFeature.get() && (!theObjects.contains(aFeature)))
 258             theObjects.append(aFeature);
 259         }
 260       }
 261     }
 262   }
 263 }
 264
 265 std::list<FeaturePtr> XGUI_SelectionMgr::getSelectedFeatures()
 266 {
 267   std::list<FeaturePtr> aFeatures;
 268   QObjectPtrList aObjects = selection()->selectedObjects();
 269   if (aObjects.isEmpty())
 270     return aFeatures;
 271
 272   bool isPart = false;
 273   foreach(ObjectPtr aObj, aObjects) {
 274     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 275     if (aFeature.get()) {
 276       ResultPtr aRes = aFeature->firstResult();
 277       isPart = (aRes.get() && (aRes->groupName() == ModelAPI_ResultPart::group()));
 278       if (!isPart)
 279         aFeatures.push_back(aFeature);
 280     }
 281   }
 282   return aFeatures;
 283 }
 284
 285 QList<TopoDS_Shape> XGUI_SelectionMgr::findAllShapes(const ResultPtr& theResult) const
 286 {
 287   QIntList aModes = myWorkshop->selectionActivate()->activeSelectionModes();
 288   GeomShapePtr aResShape = theResult->shape();
 289   TopoDS_Shape aShape = aResShape->impl<TopoDS_Shape>();
 290   QList<TopoDS_Shape> aResult;
 291   foreach(int aShapeType, aModes) {
 292     if (aShapeType < TopAbs_SHAPE) {
 293       TopExp_Explorer aExp(aShape, (TopAbs_ShapeEnum)aShapeType);
 294       for (; aExp.More(); aExp.Next()) {
 295         aResult.append(aExp.Current());
 296       }
 297     }
 298   }
 299   return aResult;
 300 }