src/XGUI/XGUI_SelectionMgr.cpp

   1 // Copyright (C) 2014-2020  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     // Update is necessary for OCCT 7.4.0: when it is clears selection it doesn't updates viewer
 148 #if OCC_VERSION_HEX == 0x070400
 149     if (aValues.isEmpty())
 150       aContext->UpdateCurrentViewer();
 151 #endif
 152   }
 153   QObjectPtrList anObjects;
 154   convertToObjectBrowserSelection(aValues, anObjects);
 155   myWorkshop->objectBrowser()->setObjectsSelected(anObjects);
 156
 157   emit selectionChanged();
 158 }
 159
 160 //**************************************************************
 161 void XGUI_SelectionMgr::deselectPresentation(const Handle(AIS_InteractiveObject) theObject)
 162 {
 163   NCollection_List<Handle(SelectBasics_EntityOwner)> aResultOwners;
 164
 165   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 166   for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 167     Handle(SelectMgr_EntityOwner) anOwner = aContext->SelectedOwner();
 168     if (anOwner.IsNull()) // TODO: check why it is possible
 169       continue;
 170     if (anOwner->Selectable() == theObject && anOwner->IsSelected())
 171       aResultOwners.Append(anOwner);
 172   }
 173   NCollection_List<Handle(SelectBasics_EntityOwner)>::Iterator anOwnersIt (aResultOwners);
 174   Handle(SelectMgr_EntityOwner) anOwner;
 175   for (; anOwnersIt.More(); anOwnersIt.Next()) {
 176     anOwner = anOwnersIt.Value();
 177     if (!anOwner.IsNull())
 178       aContext->AddOrRemoveSelected(anOwner, false);
 179   }
 180 }
 181
 182 //**************************************************************
 183 void XGUI_SelectionMgr::updateSelectionBy(const ModuleBase_ISelection::SelectionPlace& thePlace)
 184 {
 185   QList<ModuleBase_ViewerPrsPtr> aSelectedPrs =
 186                myWorkshop->selector()->selection()->getSelected(thePlace);
 187   if (thePlace == ModuleBase_ISelection::Browser) {
 188     XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 189     aDisplayer->setSelected(aSelectedPrs);
 190   }
 191
 192 }
 193 //**************************************************************
 194 void XGUI_SelectionMgr::clearSelection()
 195 {
 196   QObjectPtrList aFeatures;
 197   myWorkshop->objectBrowser()->setObjectsSelected(aFeatures);
 198
 199   QList<ModuleBase_ViewerPrsPtr> aSelectedPrs =
 200              myWorkshop->selector()->selection()->getSelected(ModuleBase_ISelection::Browser);
 201
 202   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 203   aDisplayer->setSelected(aSelectedPrs);
 204
 205   emit selectionChanged();
 206 }
 207 //**************************************************************
 208 void XGUI_SelectionMgr::setSelected(const QList<ModuleBase_ViewerPrsPtr>& theValues)
 209 {
 210   // update selection in Viewer
 211   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 212   aDisplayer->setSelected(theValues);
 213
 214   // update selection in Object Browser
 215   QObjectPtrList anObjects;
 216   convertToObjectBrowserSelection(theValues, anObjects);
 217   myWorkshop->objectBrowser()->setObjectsSelected(anObjects);
 218 }
 219
 220 //**************************************************************
 221 void XGUI_SelectionMgr::convertToObjectBrowserSelection(
 222                                    const QList<ModuleBase_ViewerPrsPtr>& theValues,
 223                                    QObjectPtrList& theObjects)
 224 {
 225   theObjects.clear();
 226
 227   ResultPtr aResult;
 228   FeaturePtr aFeature;
 229   bool aHasOperation = (myWorkshop->operationMgr()->currentOperation() != 0);
 230   SessionPtr aMgr = ModelAPI_Session::get();
 231   DocumentPtr anActiveDocument = aMgr->activeDocument();
 232
 233   TopTools_MapOfShape aShapeMap;
 234   bool aToOptimize = (theValues.size() > OPTIMIZATION_LEVEL);
 235
 236   GeomShapePtr aShape;
 237   TopoDS_Shape aTShape;
 238   foreach(ModuleBase_ViewerPrsPtr aPrs, theValues) {
 239     if (aPrs->object().get()) {
 240       if (!theObjects.contains(aPrs->object()))
 241         theObjects.append(aPrs->object());
 242       if (aPrs->shape().get() && (!aHasOperation)) {
 243         aResult = std::dynamic_pointer_cast<ModelAPI_Result>(aPrs->object());
 244         if (aResult.get()) {
 245           aShape = aPrs->shape();
 246           aTShape = aShape->impl<TopoDS_Shape>();
 247           if (aToOptimize) {
 248             if (!aShapeMap.Contains(aTShape)) {
 249               aFeature = anActiveDocument->producedByFeature(aResult, aShape);
 250               if (aFeature.get()) {
 251                 QList<TopoDS_Shape> aResList = findAllShapes(aResult);
 252                 foreach(TopoDS_Shape aShape, aResList) {
 253                   if (!aShapeMap.Contains(aShape))
 254                     aShapeMap.Add(aShape);
 255                 }
 256               }
 257             }
 258           }
 259           else {
 260             aFeature = anActiveDocument->producedByFeature(aResult, aShape);
 261           }
 262           if (aFeature.get() && (!theObjects.contains(aFeature)))
 263             theObjects.append(aFeature);
 264         }
 265       }
 266     }
 267   }
 268 }
 269
 270 std::list<FeaturePtr> XGUI_SelectionMgr::getSelectedFeatures()
 271 {
 272   std::list<FeaturePtr> aFeatures;
 273   QObjectPtrList aObjects = selection()->selectedObjects();
 274   if (aObjects.isEmpty())
 275     return aFeatures;
 276
 277   bool isPart = false;
 278   foreach(ObjectPtr aObj, aObjects) {
 279     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 280     if (aFeature.get()) {
 281       ResultPtr aRes = aFeature->firstResult();
 282       isPart = (aRes.get() && (aRes->groupName() == ModelAPI_ResultPart::group()));
 283       if (!isPart)
 284         aFeatures.push_back(aFeature);
 285     }
 286   }
 287   return aFeatures;
 288 }
 289
 290 QList<TopoDS_Shape> XGUI_SelectionMgr::findAllShapes(const ResultPtr& theResult) const
 291 {
 292   QIntList aModes = myWorkshop->selectionActivate()->activeSelectionModes();
 293   GeomShapePtr aResShape = theResult->shape();
 294   TopoDS_Shape aShape = aResShape->impl<TopoDS_Shape>();
 295   QList<TopoDS_Shape> aResult;
 296   foreach(int aShapeType, aModes) {
 297     if (aShapeType < TopAbs_SHAPE) {
 298       TopExp_Explorer aExp(aShape, (TopAbs_ShapeEnum)aShapeType);
 299       for (; aExp.More(); aExp.Next()) {
 300         aResult.append(aExp.Current());
 301       }
 302     }
 303   }
 304   return aResult;
 305 }