src/XGUI/XGUI_SelectionMgr.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_SelectionMgr.h"
  22
  23 #include "XGUI_Workshop.h"
  24 #include "XGUI_ObjectsBrowser.h"
  25 #include "XGUI_SalomeConnector.h"
  26 #include "XGUI_ViewerProxy.h"
  27 #include "XGUI_Displayer.h"
  28 #include "XGUI_Selection.h"
  29 #include "XGUI_OperationMgr.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
  44 #include <ModuleBase_ViewerPrs.h>
  45 #include <ModuleBase_Tools.h>
  46
  47 #include <SelectMgr_ListIteratorOfListOfFilter.hxx>
  48
  49 #ifdef TINSPECTOR
  50 #include <inspector/VInspectorAPI_CallBack.hxx>
  51 #endif
  52
  53 XGUI_SelectionMgr::XGUI_SelectionMgr(XGUI_Workshop* theParent)
  54     : QObject(theParent),
  55       myWorkshop(theParent)
  56 {
  57   mySelection = new XGUI_Selection(myWorkshop);
  58 }
  59
  60 XGUI_SelectionMgr::~XGUI_SelectionMgr()
  61 {
  62   delete mySelection;
  63 }
  64
  65 //**************************************************************
  66 void XGUI_SelectionMgr::connectViewers()
  67 {
  68   connect(myWorkshop->objectBrowser(), SIGNAL(selectionChanged()), this,
  69           SLOT(onObjectBrowserSelection()));
  70
  71   //Connect to other viewers
  72   connect(myWorkshop->viewer(), SIGNAL(selectionChanged()), this, SLOT(onViewerSelection()));
  73 }
  74
  75 //**************************************************************
  76 void XGUI_SelectionMgr::setSelectedOwners(const SelectMgr_IndexedMapOfOwner& theSelectedOwners,
  77                                           bool isUpdateViewer)
  78 {
  79   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
  80   if (!aContext.IsNull()) {
  81     /// previous selection should be cleared, else there will be decomposition of selections:
  82     /// as AddOrRemoveSelected inverts current selection
  83     aContext->ClearSelected(false);
  84
  85     for  (Standard_Integer i = 1, n = theSelectedOwners.Extent(); i <= n; i++)  {
  86       Handle(SelectMgr_EntityOwner) anOwner = theSelectedOwners(i);
  87
  88       aContext->AddOrRemoveSelected(anOwner, isUpdateViewer);
  89       #ifdef TINSPECTOR
  90       if (myWorkshop->displayer()->getCallBack())
  91         myWorkshop->displayer()->getCallBack()->AddOrRemoveSelected(anOwner);
  92       #endif
  93     }
  94   }
  95 }
  96
  97 //**************************************************************
  98 void XGUI_SelectionMgr::onObjectBrowserSelection()
  99 {
 100   QList<ModuleBase_ViewerPrsPtr> aSelectedPrs =
 101              myWorkshop->selector()->selection()->getSelected(ModuleBase_ISelection::Browser);
 102
 103   QList<ModuleBase_ViewerPrsPtr> aTmpList = aSelectedPrs;
 104   ObjectPtr aObject;
 105   FeaturePtr aFeature;
 106   foreach(ModuleBase_ViewerPrsPtr aPrs, aTmpList) {
 107     aObject = aPrs->object();
 108     if (aObject.get()) {
 109       aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObject);
 110       if (aFeature.get()) {
 111         std::list<ResultPtr> allRes;
 112         ModelAPI_Tools::allResults(aFeature, allRes);
 113         for(std::list<ResultPtr>::iterator aRes = allRes.begin(); aRes != allRes.end(); aRes++) {
 114           aSelectedPrs.append(std::shared_ptr<ModuleBase_ViewerPrs>(
 115             new ModuleBase_ViewerPrs(*aRes, GeomShapePtr(), NULL)));
 116         }
 117       }
 118     }
 119   }
 120   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 121   aDisplayer->setSelected(aSelectedPrs);
 122   emit selectionChanged();
 123 }
 124
 125 //**************************************************************
 126 void XGUI_SelectionMgr::onViewerSelection()
 127 {
 128   QList<ModuleBase_ViewerPrsPtr> aValues;
 129   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 130   if (!aContext.IsNull())
 131     aValues = selection()->getSelected(ModuleBase_ISelection::Viewer);
 132
 133   QObjectPtrList anObjects;
 134   convertToObjectBrowserSelection(aValues, anObjects);
 135
 136   bool aBlocked = myWorkshop->objectBrowser()->blockSignals(true);
 137   myWorkshop->objectBrowser()->setObjectsSelected(anObjects);
 138   myWorkshop->objectBrowser()->blockSignals(aBlocked);
 139
 140   emit selectionChanged();
 141 }
 142
 143 //**************************************************************
 144 void XGUI_SelectionMgr::deselectPresentation(const Handle(AIS_InteractiveObject) theObject)
 145 {
 146   NCollection_List<Handle(SelectBasics_EntityOwner)> aResultOwners;
 147
 148   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 149   for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected()) {
 150     Handle(SelectMgr_EntityOwner) anOwner = aContext->SelectedOwner();
 151     if (anOwner.IsNull()) // TODO: check why it is possible
 152       continue;
 153     if (anOwner->Selectable() == theObject && anOwner->IsSelected())
 154       aResultOwners.Append(anOwner);
 155   }
 156   NCollection_List<Handle(SelectBasics_EntityOwner)>::Iterator anOwnersIt (aResultOwners);
 157   Handle(SelectMgr_EntityOwner) anOwner;
 158   for (; anOwnersIt.More(); anOwnersIt.Next()) {
 159     anOwner = Handle(SelectMgr_EntityOwner)::DownCast(anOwnersIt.Value());
 160     if (!anOwner.IsNull())
 161       aContext->AddOrRemoveSelected(anOwner, false);
 162   }
 163 }
 164
 165 //**************************************************************
 166 void XGUI_SelectionMgr::updateSelectionBy(const ModuleBase_ISelection::SelectionPlace& thePlace)
 167 {
 168   QList<ModuleBase_ViewerPrsPtr> aSelectedPrs =
 169                myWorkshop->selector()->selection()->getSelected(thePlace);
 170   if (thePlace == ModuleBase_ISelection::Browser) {
 171     XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 172     aDisplayer->setSelected(aSelectedPrs);
 173   }
 174
 175 }
 176 //**************************************************************
 177 void XGUI_SelectionMgr::clearSelection()
 178 {
 179   QObjectPtrList aFeatures;
 180   bool aBlocked = myWorkshop->objectBrowser()->blockSignals(true);
 181   myWorkshop->objectBrowser()->setObjectsSelected(aFeatures);
 182   myWorkshop->objectBrowser()->blockSignals(aBlocked);
 183
 184   QList<ModuleBase_ViewerPrsPtr> aSelectedPrs =
 185              myWorkshop->selector()->selection()->getSelected(ModuleBase_ISelection::Browser);
 186
 187   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 188   aDisplayer->setSelected(aSelectedPrs);
 189
 190   emit selectionChanged();
 191 }
 192 //**************************************************************
 193 void XGUI_SelectionMgr::setSelected(const QList<ModuleBase_ViewerPrsPtr>& theValues)
 194 {
 195   // update selection in Viewer
 196   XGUI_Displayer* aDisplayer = myWorkshop->displayer();
 197   aDisplayer->setSelected(theValues);
 198
 199   // update selection in Object Browser
 200   bool aBlocked = myWorkshop->objectBrowser()->blockSignals(true);
 201   QObjectPtrList anObjects;
 202   convertToObjectBrowserSelection(theValues, anObjects);
 203
 204   myWorkshop->objectBrowser()->setObjectsSelected(anObjects);
 205   myWorkshop->objectBrowser()->blockSignals(aBlocked);
 206 }
 207 //**************************************************************
 208 void XGUI_SelectionMgr::convertToObjectBrowserSelection(
 209                                    const QList<ModuleBase_ViewerPrsPtr>& theValues,
 210                                    QObjectPtrList& theObjects)
 211 {
 212   theObjects.clear();
 213
 214   ResultPtr aResult;
 215   FeaturePtr aFeature;
 216   bool aHasOperation = (myWorkshop->operationMgr()->currentOperation() != 0);
 217   SessionPtr aMgr = ModelAPI_Session::get();
 218   DocumentPtr anActiveDocument = aMgr->activeDocument();
 219
 220   foreach(ModuleBase_ViewerPrsPtr aPrs, theValues) {
 221     if (aPrs->object().get()) {
 222       if (!theObjects.contains(aPrs->object()))
 223         theObjects.append(aPrs->object());
 224       if (aPrs->shape().get() && (!aHasOperation)) {
 225         aResult = std::dynamic_pointer_cast<ModelAPI_Result>(aPrs->object());
 226         if (aResult.get()) {
 227           aFeature = anActiveDocument->producedByFeature(aResult, aPrs->shape());
 228           if (aFeature.get() && (!theObjects.contains(aFeature)))
 229             theObjects.append(aFeature);
 230         }
 231       }
 232     }
 233   }
 234 }
 235
 236 std::list<FeaturePtr> XGUI_SelectionMgr::getSelectedFeatures()
 237 {
 238   std::list<FeaturePtr> aFeatures;
 239   QObjectPtrList aObjects = selection()->selectedObjects();
 240   if (aObjects.isEmpty())
 241     return aFeatures;
 242
 243   bool isPart = false;
 244   foreach(ObjectPtr aObj, aObjects) {
 245     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 246     if (aFeature.get()) {
 247       ResultPtr aRes = aFeature->firstResult();
 248       isPart = (aRes.get() && (aRes->groupName() == ModelAPI_ResultPart::group()));
 249       if (!isPart)
 250         aFeatures.push_back(aFeature);
 251     }
 252   }
 253   return aFeatures;
 254 }