src/ModuleBase/ModuleBase_WidgetSelector.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        ModuleBase_WidgetSelector.h
   4 // Created:     19 June 2015
   5 // Author:      Natalia ERMOLAEVA
   6
   7 #include <ModuleBase_WidgetSelector.h>
   8
   9 #include <ModuleBase_ISelection.h>
  10 #include <ModuleBase_IWorkshop.h>
  11
  12 #include <ModelAPI_ResultConstruction.h>
  13
  14 ModuleBase_WidgetSelector::ModuleBase_WidgetSelector(QWidget* theParent,
  15                                                      ModuleBase_IWorkshop* theWorkshop,
  16                                                      const Config_WidgetAPI* theData,
  17                                                      const std::string& theParentId)
  18  : ModuleBase_WidgetValidated(theParent, theData, theParentId),
  19    myWorkshop(theWorkshop)
  20 {
  21 }
  22
  23 //********************************************************************
  24 ModuleBase_WidgetSelector::~ModuleBase_WidgetSelector()
  25 {
  26 }
  27
  28 //TODO: nds stabilization hotfix
  29 void ModuleBase_WidgetSelector::disconnectSignals()
  30 {
  31   disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
  32 }
  33
  34 //********************************************************************
  35 void ModuleBase_WidgetSelector::getGeomSelection(const ModuleBase_ViewerPrs& thePrs,
  36                                                       ObjectPtr& theObject,
  37                                                       GeomShapePtr& theShape)
  38 {
  39   ModuleBase_ISelection* aSelection = myWorkshop->selection();
  40   theObject = aSelection->getResult(thePrs);
  41   theShape = aSelection->getShape(thePrs);
  42 }
  43
  44 //********************************************************************
  45 void ModuleBase_WidgetSelector::onSelectionChanged()
  46 {
  47   clearAttribute();
  48
  49   QList<ModuleBase_ViewerPrs> aSelected = myWorkshop->selection()->getSelected(
  50                                                               ModuleBase_ISelection::AllControls);
  51   bool isDone = setSelection(aSelected);
  52
  53   emit valuesChanged();
  54   // the updateObject method should be called to flush the updated sigal. The workshop listens it,
  55   // calls validators for the feature and, as a result, updates the Apply button state.
  56   updateObject(myFeature);
  57
  58   if (isDone)
  59     updateFocus();
  60 }
  61
  62 #include <TopoDS_Iterator.hxx>
  63
  64 //********************************************************************
  65 bool ModuleBase_WidgetSelector::acceptSubShape(const GeomShapePtr& theShape,
  66                                                const ResultPtr& theResult) const
  67 {
  68   bool aValid = false;
  69
  70   GeomShapePtr aShape = theShape;
  71   if (!aShape.get() && theResult.get()) {
  72     if (theResult.get())
  73       aShape = theResult->shape();
  74   }
  75   TopAbs_ShapeEnum aShapeType = TopAbs_SHAPE;
  76   if (aShape.get()) {
  77     // Check that the selection corresponds to selection type
  78     TopoDS_Shape aTopoShape = aShape->impl<TopoDS_Shape>();
  79     aShapeType = aTopoShape.ShapeType();
  80     // for compounds check sub-shapes: it may be compound of needed type:
  81     // Booleans may produce compounds of Solids
  82     if (aShapeType == TopAbs_COMPOUND) {
  83       for(TopoDS_Iterator aSubs(aTopoShape); aSubs.More(); aSubs.Next()) {
  84         if (!aSubs.Value().IsNull()) {
  85           TopAbs_ShapeEnum aSubType = aSubs.Value().ShapeType();
  86           if (aSubType == TopAbs_COMPOUND) { // compound of compound(s)
  87             aShapeType = TopAbs_COMPOUND;
  88             break;
  89           }
  90           if (aShapeType == TopAbs_COMPOUND) {
  91             aShapeType = aSubType;
  92           } else if (aShapeType != aSubType) { // compound of shapes of different types
  93             aShapeType = TopAbs_COMPOUND;
  94             break;
  95           }
  96         }
  97       }
  98     }
  99   }
 100
 101   QIntList aShapeTypes = getShapeTypes();
 102   QIntList::const_iterator anIt = aShapeTypes.begin(), aLast = aShapeTypes.end();
 103   for (; anIt != aLast; anIt++) {
 104     if (aShapeType == *anIt)
 105       aValid = true;
 106     else if (*anIt == TopAbs_FACE) {
 107       // try to process the construction shape only if there is no a selected shape in the viewer
 108       if (!theShape.get() && theResult.get()) {
 109         ResultConstructionPtr aCResult =
 110                                 std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(theResult);
 111         aValid = aCResult.get() && aCResult->facesNum() > 0;
 112       }
 113     }
 114   }
 115   return aValid;
 116 }
 117
 118 //********************************************************************
 119 void ModuleBase_WidgetSelector::activateSelection(bool toActivate)
 120 {
 121   updateSelectionName();
 122
 123   if (toActivate) {
 124     myWorkshop->activateSubShapesSelection(getShapeTypes());
 125   } else {
 126     myWorkshop->deactivateSubShapesSelection();
 127   }
 128 }
 129
 130 //********************************************************************
 131 void ModuleBase_WidgetSelector::activateCustom()
 132 {
 133   connect(myWorkshop, SIGNAL(selectionChanged()), this,
 134           SLOT(onSelectionChanged()), Qt::UniqueConnection);
 135
 136   activateSelection(true);
 137
 138   // Restore selection in the viewer by the attribute selection list
 139   myWorkshop->setSelected(getAttributeSelection());
 140
 141   activateFilters(myWorkshop, true);
 142 }
 143
 144 //********************************************************************
 145 #include <ModuleBase_IViewer.h>
 146 #include <SelectMgr_ListIteratorOfListOfFilter.hxx>
 147 #include <StdSelect_BRepOwner.hxx>
 148 bool ModuleBase_WidgetSelector::isValidSelectionCustom(const ModuleBase_ViewerPrs& thePrs)
 149 {
 150   GeomShapePtr aShape = myWorkshop->selection()->getShape(thePrs);
 151   ResultPtr aResult = myWorkshop->selection()->getResult(thePrs);
 152   bool aValid = acceptSubShape(aShape, aResult);
 153
 154   if (aValid) {
 155     // In order to avoid selection of the same object
 156     ResultPtr aResult = myWorkshop->selection()->getResult(thePrs);
 157     FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(aResult);
 158     aValid = aSelectedFeature != myFeature;
 159   }
 160
 161   // selection happens in the Object browser.
 162   // it creates a selection owner and check whether the viewer filters process it
 163   if (thePrs.owner().IsNull() && thePrs.object().get()) {
 164     ResultPtr aResult = myWorkshop->selection()->getResult(thePrs);
 165     if (aResult.get())
 166       aShape = aResult->shape();
 167
 168     const TopoDS_Shape aTDShape = aShape->impl<TopoDS_Shape>();
 169
 170     Handle(AIS_InteractiveObject) anIO = myWorkshop->selection()->getIO(thePrs);
 171     Handle(StdSelect_BRepOwner) aShapeOwner = new StdSelect_BRepOwner(aTDShape, anIO);
 172
 173     const SelectMgr_ListOfFilter& aFilters = myWorkshop->viewer()->AISContext()->Filters();
 174     SelectMgr_ListIteratorOfListOfFilter anIt(aFilters);
 175     for (; anIt.More() && aValid; anIt.Next()) {
 176       Handle(SelectMgr_Filter) aFilter = anIt.Value();
 177       if (aFilter == myWorkshop->validatorFilter())
 178         continue;
 179
 180       aValid = aFilter->IsOk(aShapeOwner);
 181     }
 182     aShapeOwner.Nullify();
 183   }
 184   return aValid;
 185 }
 186
 187 //********************************************************************
 188 bool ModuleBase_WidgetSelector::setSelectionCustom(const ModuleBase_ViewerPrs& thePrs)
 189 {
 190   ObjectPtr anObject;
 191   GeomShapePtr aShape;
 192   getGeomSelection(thePrs, anObject, aShape);
 193
 194   setObject(anObject, aShape);
 195   return true;
 196 }
 197
 198 //********************************************************************
 199 void ModuleBase_WidgetSelector::deactivate()
 200 {
 201   disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 202   activateSelection(false);
 203   activateFilters(myWorkshop, false);
 204 }