src/PartSet/PartSet_WidgetShapeSelector.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        PartSet_WidgetShapeSelector.cpp
   4 // Created:     27 Nov 2014
   5 // Author:      Vitaly Smetannikov
   6
   7 #include "PartSet_WidgetShapeSelector.h"
   8
   9 #include <ModelAPI_AttributeRefAttr.h>
  10 #include <ModelAPI_Session.h>
  11 #include <ModelAPI_Validator.h>
  12
  13 #include <ModuleBase_Definitions.h>
  14 #include <Config_WidgetAPI.h>
  15
  16 #include <PartSet_Tools.h>
  17 #include <PartSet_ExternalObjectsMgr.h>
  18 #include <SketchPlugin_Feature.h>
  19
  20 #include <SketchPlugin_ConstraintRigid.h>
  21
  22 #include <XGUI_Workshop.h>
  23
  24 #include <XGUI_ModuleConnector.h>
  25 #include <XGUI_Displayer.h>
  26 #include <XGUI_SelectionMgr.h>
  27 #include <XGUI_Selection.h>
  28 #include <SelectMgr_IndexedMapOfOwner.hxx>
  29 #include <StdSelect_BRepOwner.hxx>
  30
  31 PartSet_WidgetShapeSelector::PartSet_WidgetShapeSelector(QWidget* theParent,
  32                                                          ModuleBase_IWorkshop* theWorkshop,
  33                                                          const Config_WidgetAPI* theData,
  34                                                          const std::string& theParentId)
  35 : ModuleBase_WidgetShapeSelector(theParent, theWorkshop, theData, theParentId)
  36 {
  37   myExternalObjectMgr = new PartSet_ExternalObjectsMgr(theData->getProperty("use_external"), true);
  38 }
  39
  40 PartSet_WidgetShapeSelector::~PartSet_WidgetShapeSelector()
  41 {
  42   delete myExternalObjectMgr;
  43 }
  44
  45 //********************************************************************
  46 bool PartSet_WidgetShapeSelector::isValidSelectionCustom(const ModuleBase_ViewerPrs& thePrs)
  47 {
  48   bool aValid = ModuleBase_WidgetShapeSelector::isValidSelectionCustom(thePrs);
  49   if (aValid) {
  50     ObjectPtr anObject = myWorkshop->selection()->getResult(thePrs);
  51     aValid = myExternalObjectMgr->isValidObject(anObject);
  52   }
  53   return aValid;
  54 }
  55
  56 //********************************************************************
  57 void PartSet_WidgetShapeSelector::setObject(ObjectPtr theSelectedObject, GeomShapePtr theShape)
  58 {
  59   FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(theSelectedObject);
  60   // Do check using of external feature
  61   std::shared_ptr<SketchPlugin_Feature> aSPFeature =
  62           std::dynamic_pointer_cast<SketchPlugin_Feature>(aSelectedFeature);
  63   // Processing of sketch object
  64   if (aSPFeature.get() != NULL && theShape.get())
  65     setPointAttribute(theSelectedObject, theShape);
  66   else
  67     ModuleBase_WidgetShapeSelector::setObject(theSelectedObject, theShape);
  68 }
  69
  70 void PartSet_WidgetShapeSelector::getGeomSelection(const ModuleBase_ViewerPrs& thePrs,
  71                                                    ObjectPtr& theObject,
  72                                                    GeomShapePtr& theShape)
  73 {
  74   ModuleBase_WidgetShapeSelector::getGeomSelection(thePrs, theObject, theShape);
  75
  76   FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(theObject);
  77   std::shared_ptr<SketchPlugin_Feature> aSPFeature =
  78           std::dynamic_pointer_cast<SketchPlugin_Feature>(aSelectedFeature);
  79   // there is no a sketch feature is selected, but the shape exists, try to create an exernal object
  80   // TODO: unite with the same functionality in PartSet_WidgetShapeSelector
  81   if (aSPFeature.get() == NULL && myExternalObjectMgr->useExternal()) {
  82     GeomShapePtr aShape = theShape;
  83     if (!aShape.get()) {
  84       ResultPtr aResult = myWorkshop->selection()->getResult(thePrs);
  85       if (aResult.get())
  86         aShape = aResult->shape();
  87     }
  88     if (aShape.get() != NULL && !aShape->isNull())
  89       theObject = myExternalObjectMgr->externalObject(theObject, aShape, sketch());
  90   }
  91 }
  92
  93 //********************************************************************
  94 GeomShapePtr PartSet_WidgetShapeSelector::getShape() const
  95 {
  96   // an empty shape by default
  97   GeomShapePtr aShape;
  98
  99   // 1. find an attribute value in attribute reference attribute value
 100   DataPtr aData = myFeature->data();
 101   AttributePtr aAttr = aData->attribute(attributeID());
 102   AttributeRefAttrPtr aRefAttr =
 103     std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aAttr);
 104   if (aRefAttr) {
 105     if (!aRefAttr->isObject()) {
 106       AttributePtr anAttribute = aRefAttr->attr();
 107       if (anAttribute.get()) {
 108         XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myWorkshop);
 109         XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 110
 111         // 2. find visualized vertices of the attribute and if the attribute of the vertex is
 112         // the same, return it
 113         FeaturePtr anAttributeFeature = ModelAPI_Feature::feature(anAttribute->owner());
 114         // 2.1 get visualized results of the feature
 115         const std::list<ResultPtr>& aResList = anAttributeFeature->results();
 116         std::list<ResultPtr>::const_iterator anIt = aResList.begin(), aLast = aResList.end();
 117         for (; anIt != aLast; anIt++) {
 118           AISObjectPtr aAISObj = aDisplayer->getAISObject(*anIt);
 119           if (aAISObj.get() != NULL) {
 120             Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
 121             // 2.2 find selected owners of a visualizedd object
 122             SelectMgr_IndexedMapOfOwner aSelectedOwners;
 123             aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
 124             for  (Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++) {
 125               Handle(SelectMgr_EntityOwner) anOwner = aSelectedOwners(i);
 126               if (!anOwner.IsNull()) {
 127                 Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(anOwner);
 128                 if (!aBRepOwner.IsNull() && aBRepOwner->HasShape()) {
 129                   const TopoDS_Shape& aBRepShape = aBRepOwner->Shape();
 130                   if (aBRepShape.ShapeType() == TopAbs_VERTEX) {
 131                     // 2.3 if the owner is vertex and an attribute of the vertex is equal to the initial
 132                     // attribute, returns the shape
 133                     AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(anAttributeFeature,
 134                                                                                   aBRepShape, sketch());
 135                     if (aPntAttr.get() != NULL && aPntAttr == anAttribute) {
 136                       aShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 137                       aShape->setImpl(new TopoDS_Shape(aBRepShape));
 138                       break;
 139                     }
 140                   }
 141                 }
 142               }
 143             }
 144           }
 145         }
 146       }
 147     }
 148   }
 149   if (!aShape.get())
 150     aShape = ModuleBase_WidgetShapeSelector::getShape();
 151   return aShape;
 152 }
 153
 154 //********************************************************************
 155 void PartSet_WidgetShapeSelector::restoreAttributeValue(const bool theValid)
 156 {
 157   ModuleBase_WidgetShapeSelector::restoreAttributeValue(theValid);
 158   myExternalObjectMgr->removeExternal(sketch(), myFeature);
 159 }
 160
 161 //********************************************************************
 162 void PartSet_WidgetShapeSelector::setPointAttribute(ObjectPtr theSelectedObject, GeomShapePtr theShape)
 163 {
 164   DataPtr aData = myFeature->data();
 165   AttributePtr aAttr = aData->attribute(attributeID());
 166   AttributeRefAttrPtr aRefAttr =
 167     std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aAttr);
 168   if (aRefAttr) {
 169     // it is possible that the point feature is selected. It should be used itself
 170     // instead of searching an attribute for the shape
 171     bool aShapeIsResult = false;
 172     /*ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theSelectedObject);
 173     if (aResult.get() != NULL) {
 174       GeomShapePtr aShapePtr = aResult->shape();
 175       // it is important to call isEqual of the shape of result.
 176       // It is a GeomAPI_Vertex shape for the point. The shape of the parameter is
 177       // GeomAPI_Shape. It is important to use the realization of the isEqual method from
 178       // GeomAPI_Vertex class
 179       aShapeIsResult = aShapePtr.get() != NULL && aShapePtr->isEqual(theShape);
 180     }*/
 181
 182     AttributePtr aPntAttr;
 183     if (!aShapeIsResult) {
 184       TopoDS_Shape aTDSShape = theShape->impl<TopoDS_Shape>();
 185       aPntAttr = PartSet_Tools::findAttributeBy2dPoint(theSelectedObject, aTDSShape, mySketch);
 186     }
 187     // this is an alternative, whether the attribute should be set or object in the attribute
 188     // the first check is the attribute because the object already exist
 189     // the object is set only if there is no selected attribute
 190     // test case is - preselection for distance operation, which contains two points selected on lines
 191     if (aPntAttr)
 192       aRefAttr->setAttr(aPntAttr);
 193     else
 194       aRefAttr->setObject(theSelectedObject);
 195   }
 196 }