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 ModuleBase_WidgetSelector::ModuleBase_WidgetSelector(QWidget* theParent,
  13                                                      ModuleBase_IWorkshop* theWorkshop,
  14                                                      const Config_WidgetAPI* theData,
  15                                                      const std::string& theParentId)
  16  : ModuleBase_WidgetValidated(theParent, theData, theParentId),
  17    myWorkshop(theWorkshop)
  18 {
  19 }
  20
  21 //********************************************************************
  22 ModuleBase_WidgetSelector::~ModuleBase_WidgetSelector()
  23 {
  24 }
  25
  26 //TODO: nds stabilization hotfix
  27 void ModuleBase_WidgetSelector::disconnectSignals()
  28 {
  29   disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
  30 }
  31
  32 //********************************************************************
  33 void ModuleBase_WidgetSelector::getGeomSelection(const ModuleBase_ViewerPrs& thePrs,
  34                                                       ObjectPtr& theObject,
  35                                                       GeomShapePtr& theShape)
  36 {
  37   ModuleBase_ISelection* aSelection = myWorkshop->selection();
  38   theObject = aSelection->getResult(thePrs);
  39   theShape = aSelection->getShape(thePrs);
  40 }
  41
  42 //********************************************************************
  43 void ModuleBase_WidgetSelector::onSelectionChanged()
  44 {
  45   clearAttribute();
  46
  47   QList<ModuleBase_ViewerPrs> aSelected = myWorkshop->selection()->getSelected(
  48                                                               ModuleBase_ISelection::AllControls);
  49   setSelection(aSelected);
  50
  51   emit valuesChanged();
  52   // the updateObject method should be called to flush the updated sigal. The workshop listens it,
  53   // calls validators for the feature and, as a result, updates the Apply button state.
  54   updateObject(myFeature);
  55
  56   updateFocus();
  57 }
  58
  59 //********************************************************************
  60 bool ModuleBase_WidgetSelector::acceptSubShape(const TopoDS_Shape& theShape) const
  61 {
  62   bool aValid = true;
  63   if (theShape.IsNull()) {
  64     aValid = true; // do not check the shape type if the shape is empty
  65     // extrusion uses a sketch object selectected in Object browser
  66   }
  67   else {
  68     aValid = false;
  69     TopAbs_ShapeEnum aShapeType = theShape.ShapeType();
  70     QIntList aShapeTypes = getShapeTypes();
  71
  72     QIntList::const_iterator anIt = aShapeTypes.begin(), aLast = aShapeTypes.end();
  73     for (; anIt != aLast; anIt++) {
  74       if (aShapeType == *anIt)
  75         aValid = true;
  76     }
  77   }
  78   return aValid;
  79 }
  80
  81 //********************************************************************
  82 void ModuleBase_WidgetSelector::activateSelection(bool toActivate)
  83 {
  84   updateSelectionName();
  85
  86   if (toActivate) {
  87     myWorkshop->activateSubShapesSelection(getShapeTypes());
  88   } else {
  89     myWorkshop->deactivateSubShapesSelection();
  90   }
  91 }
  92
  93 //********************************************************************
  94 void ModuleBase_WidgetSelector::activateCustom()
  95 {
  96   connect(myWorkshop, SIGNAL(selectionChanged()), this,
  97           SLOT(onSelectionChanged()), Qt::UniqueConnection);
  98
  99   activateSelection(true);
 100
 101   // Restore selection in the viewer by the attribute selection list
 102   myWorkshop->setSelected(getAttributeSelection());
 103
 104   activateFilters(myWorkshop, true);
 105 }
 106
 107 //********************************************************************
 108 bool ModuleBase_WidgetSelector::isValidSelectionCustom(const ModuleBase_ViewerPrs& thePrs)
 109 {
 110   GeomShapePtr aShape = myWorkshop->selection()->getShape(thePrs);
 111   bool aValid;
 112   // if there is no selected shape, the method returns true
 113   if (!aShape.get())
 114     aValid = true;
 115   else {
 116     // Check that the selection corresponds to selection type
 117     TopoDS_Shape aTopoShape = aShape->impl<TopoDS_Shape>();
 118     aValid = acceptSubShape(aTopoShape);
 119   }
 120   if (aValid) {
 121     // In order to avoid selection of the same object
 122     ResultPtr aResult = myWorkshop->selection()->getResult(thePrs);
 123     FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(aResult);
 124     aValid = aSelectedFeature != myFeature;
 125   }
 126   return aValid;
 127 }
 128
 129 //********************************************************************
 130 bool ModuleBase_WidgetSelector::setSelectionCustom(const ModuleBase_ViewerPrs& thePrs)
 131 {
 132   ObjectPtr anObject;
 133   GeomShapePtr aShape;
 134   getGeomSelection(thePrs, anObject, aShape);
 135
 136   setObject(anObject, aShape);
 137   return true;
 138 }
 139
 140 //********************************************************************
 141 void ModuleBase_WidgetSelector::deactivate()
 142 {
 143   disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 144   activateSelection(false);
 145   activateFilters(myWorkshop, false);
 146 }