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 bool PartSet_WidgetShapeSelector::setObject(ObjectPtr theSelectedObject, GeomShapePtr theShape)
  46 {
  47   ObjectPtr aSelectedObject = theSelectedObject;
  48   //GeomShapePtr aShape = theShape;
  49
  50   FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(aSelectedObject);
  51   if (aSelectedFeature == myFeature)  // In order to avoid selection of the same object
  52     return false;
  53   // Do check using of external feature
  54   std::shared_ptr<SketchPlugin_Feature> aSPFeature =
  55           std::dynamic_pointer_cast<SketchPlugin_Feature>(aSelectedFeature);
  56
  57   // Do check that we can use external feature
  58   if ((aSPFeature.get() != NULL) && aSPFeature->isExternal() && (!myExternalObjectMgr->useExternal()))
  59     return false;
  60
  61   if (aSPFeature.get() == NULL && theShape.get() != NULL && !theShape->isNull() && myExternalObjectMgr->useExternal()) {
  62     aSelectedObject = myExternalObjectMgr->externalObject(theSelectedObject, theShape, sketch());
  63   } else {
  64     // Processing of sketch object
  65     if (theShape.get()) {
  66       setPointAttribute(theSelectedObject, theShape);
  67       return true;
  68     }
  69   }
  70   return ModuleBase_WidgetShapeSelector::setObject(aSelectedObject, theShape);
  71 }
  72
  73 //********************************************************************
  74 GeomShapePtr PartSet_WidgetShapeSelector::getShape() const
  75 {
  76   // an empty shape by default
  77   GeomShapePtr aShape;
  78
  79   // 1. find an attribute value in attribute reference attribute value
  80   DataPtr aData = myFeature->data();
  81   AttributePtr aAttr = aData->attribute(attributeID());
  82   AttributeRefAttrPtr aRefAttr =
  83     std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aAttr);
  84   if (aRefAttr) {
  85     if (!aRefAttr->isObject()) {
  86       AttributePtr anAttribute = aRefAttr->attr();
  87       if (anAttribute.get()) {
  88         XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myWorkshop);
  89         XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
  90
  91         // 2. find visualized vertices of the attribute and if the attribute of the vertex is
  92         // the same, return it
  93         FeaturePtr anAttributeFeature = ModelAPI_Feature::feature(anAttribute->owner());
  94         // 2.1 get visualized results of the feature
  95         const std::list<ResultPtr>& aResList = anAttributeFeature->results();
  96         std::list<ResultPtr>::const_iterator anIt = aResList.begin(), aLast = aResList.end();
  97         for (; anIt != aLast; anIt++) {
  98           AISObjectPtr aAISObj = aDisplayer->getAISObject(*anIt);
  99           if (aAISObj.get() != NULL) {
 100             Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
 101             // 2.2 find selected owners of a visualizedd object
 102             SelectMgr_IndexedMapOfOwner aSelectedOwners;
 103             aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
 104             for  (Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++) {
 105               Handle(SelectMgr_EntityOwner) anOwner = aSelectedOwners(i);
 106               if (!anOwner.IsNull()) {
 107                 Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(anOwner);
 108                 if (!aBRepOwner.IsNull() && aBRepOwner->HasShape()) {
 109                   const TopoDS_Shape& aBRepShape = aBRepOwner->Shape();
 110                   if (aBRepShape.ShapeType() == TopAbs_VERTEX) {
 111                     // 2.3 if the owner is vertex and an attribute of the vertex is equal to the initial
 112                     // attribute, returns the shape
 113                     AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(anAttributeFeature,
 114                                                                                   aBRepShape, sketch());
 115                     if (aPntAttr.get() != NULL && aPntAttr == anAttribute) {
 116                       aShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 117                       aShape->setImpl(new TopoDS_Shape(aBRepShape));
 118                       break;
 119                     }
 120                   }
 121                 }
 122               }
 123             }
 124           }
 125         }
 126       }
 127     }
 128   }
 129   if (!aShape.get())
 130     aShape = ModuleBase_WidgetShapeSelector::getShape();
 131   return aShape;
 132 }
 133
 134 //********************************************************************
 135 void PartSet_WidgetShapeSelector::restoreAttributeValue(const bool theValid)
 136 {
 137   ModuleBase_WidgetShapeSelector::restoreAttributeValue(theValid);
 138   myExternalObjectMgr->removeExternal(sketch(), myFeature);
 139 }
 140
 141 //********************************************************************
 142 void PartSet_WidgetShapeSelector::setPointAttribute(ObjectPtr theSelectedObject, GeomShapePtr theShape)
 143 {
 144   DataPtr aData = myFeature->data();
 145   AttributePtr aAttr = aData->attribute(attributeID());
 146   AttributeRefAttrPtr aRefAttr =
 147     std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aAttr);
 148   if (aRefAttr) {
 149     // it is possible that the point feature is selected. It should be used itself
 150     // instead of searching an attribute for the shape
 151     bool aShapeIsResult = false;
 152     /*ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theSelectedObject);
 153     if (aResult.get() != NULL) {
 154       GeomShapePtr aShapePtr = aResult->shape();
 155       // it is important to call isEqual of the shape of result.
 156       // It is a GeomAPI_Vertex shape for the point. The shape of the parameter is
 157       // GeomAPI_Shape. It is important to use the realization of the isEqual method from
 158       // GeomAPI_Vertex class
 159       aShapeIsResult = aShapePtr.get() != NULL && aShapePtr->isEqual(theShape);
 160     }*/
 161
 162     AttributePtr aPntAttr;
 163     if (!aShapeIsResult) {
 164       TopoDS_Shape aTDSShape = theShape->impl<TopoDS_Shape>();
 165       aPntAttr = PartSet_Tools::findAttributeBy2dPoint(theSelectedObject, aTDSShape, mySketch);
 166     }
 167     // this is an alternative, whether the attribute should be set or object in the attribute
 168     // the first check is the attribute because the object already exist
 169     // the object is set only if there is no selected attribute
 170     // test case is - preselection for distance operation, which contains two points selected on lines
 171     if (aPntAttr)
 172       aRefAttr->setAttr(aPntAttr);
 173     else
 174       aRefAttr->setObject(theSelectedObject);
 175   }
 176 }