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 //#define DEBUG_EMPTY_SHAPE
  32
  33 PartSet_WidgetShapeSelector::PartSet_WidgetShapeSelector(QWidget* theParent,
  34                                                          ModuleBase_IWorkshop* theWorkshop,
  35                                                          const Config_WidgetAPI* theData,
  36                                                          const std::string& theParentId)
  37 : ModuleBase_WidgetShapeSelector(theParent, theWorkshop, theData, theParentId)
  38 {
  39   myExternalObjectMgr = new PartSet_ExternalObjectsMgr(theData->getProperty("use_external"), true);
  40 }
  41
  42 PartSet_WidgetShapeSelector::~PartSet_WidgetShapeSelector()
  43 {
  44   delete myExternalObjectMgr;
  45 }
  46
  47 //********************************************************************
  48 bool PartSet_WidgetShapeSelector::isValidSelectionCustom(const ModuleBase_ViewerPrs& thePrs)
  49 {
  50   bool aValid = ModuleBase_WidgetShapeSelector::isValidSelectionCustom(thePrs);
  51   if (aValid) {
  52     ObjectPtr anObject = myWorkshop->selection()->getResult(thePrs);
  53     aValid = myExternalObjectMgr->isValidObject(anObject);
  54   }
  55   return aValid;
  56 }
  57
  58 //********************************************************************
  59 void PartSet_WidgetShapeSelector::setObject(ObjectPtr theSelectedObject, GeomShapePtr theShape)
  60 {
  61   FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(theSelectedObject);
  62   // Do check using of external feature
  63   std::shared_ptr<SketchPlugin_Feature> aSPFeature =
  64           std::dynamic_pointer_cast<SketchPlugin_Feature>(aSelectedFeature);
  65   // Processing of sketch object
  66 #ifdef DEBUG_EMPTY_SHAPE
  67   if (aSPFeature.get() != NULL && theShape.get()) {
  68     setPointAttribute(theSelectedObject, theShape);
  69 #else
  70   if (aSPFeature.get() != NULL) {
  71     GeomShapePtr aShape = theShape;
  72     if (!aShape.get()) {
  73       ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theSelectedObject);
  74       if (aResult.get()) {
  75         aShape = aResult->shape();
  76       }
  77     }
  78     setPointAttribute(theSelectedObject, aShape);
  79 #endif
  80   }
  81   else
  82     ModuleBase_WidgetShapeSelector::setObject(theSelectedObject, theShape);
  83 }
  84
  85 void PartSet_WidgetShapeSelector::getGeomSelection(const ModuleBase_ViewerPrs& thePrs,
  86                                                    ObjectPtr& theObject,
  87                                                    GeomShapePtr& theShape)
  88 {
  89   ModuleBase_WidgetShapeSelector::getGeomSelection(thePrs, theObject, theShape);
  90
  91   FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(theObject);
  92   std::shared_ptr<SketchPlugin_Feature> aSPFeature =
  93           std::dynamic_pointer_cast<SketchPlugin_Feature>(aSelectedFeature);
  94   // there is no a sketch feature is selected, but the shape exists, try to create an exernal object
  95   // TODO: unite with the same functionality in PartSet_WidgetShapeSelector
  96   if (aSPFeature.get() == NULL && myExternalObjectMgr->useExternal()) {
  97     GeomShapePtr aShape = theShape;
  98     if (!aShape.get()) {
  99       ResultPtr aResult = myWorkshop->selection()->getResult(thePrs);
 100       if (aResult.get())
 101         aShape = aResult->shape();
 102     }
 103     if (aShape.get() != NULL && !aShape->isNull())
 104       theObject = myExternalObjectMgr->externalObject(theObject, aShape, sketch());
 105   }
 106 }
 107
 108 //********************************************************************
 109 GeomShapePtr PartSet_WidgetShapeSelector::getShape() const
 110 {
 111   // an empty shape by default
 112   GeomShapePtr aShape;
 113
 114   // 1. find an attribute value in attribute reference attribute value
 115   DataPtr aData = myFeature->data();
 116   AttributePtr aAttr = aData->attribute(attributeID());
 117   AttributeRefAttrPtr aRefAttr =
 118     std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aAttr);
 119   if (aRefAttr) {
 120     if (!aRefAttr->isObject()) {
 121       AttributePtr anAttribute = aRefAttr->attr();
 122       if (anAttribute.get()) {
 123         XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myWorkshop);
 124         XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 125
 126         // 2. find visualized vertices of the attribute and if the attribute of the vertex is
 127         // the same, return it
 128         FeaturePtr anAttributeFeature = ModelAPI_Feature::feature(anAttribute->owner());
 129         // 2.1 get visualized results of the feature
 130         const std::list<ResultPtr>& aResList = anAttributeFeature->results();
 131         std::list<ResultPtr>::const_iterator anIt = aResList.begin(), aLast = aResList.end();
 132         for (; anIt != aLast; anIt++) {
 133           AISObjectPtr aAISObj = aDisplayer->getAISObject(*anIt);
 134           if (aAISObj.get() != NULL) {
 135             Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
 136             // 2.2 find selected owners of a visualizedd object
 137             SelectMgr_IndexedMapOfOwner aSelectedOwners;
 138             aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
 139             for  (Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++) {
 140               Handle(SelectMgr_EntityOwner) anOwner = aSelectedOwners(i);
 141               if (!anOwner.IsNull()) {
 142                 Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(anOwner);
 143                 if (!aBRepOwner.IsNull() && aBRepOwner->HasShape()) {
 144                   const TopoDS_Shape& aBRepShape = aBRepOwner->Shape();
 145                   if (aBRepShape.ShapeType() == TopAbs_VERTEX) {
 146                     // 2.3 if the owner is vertex and an attribute of the vertex is equal to the initial
 147                     // attribute, returns the shape
 148                     AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(anAttributeFeature,
 149                                                                                   aBRepShape, sketch());
 150                     if (aPntAttr.get() != NULL && aPntAttr == anAttribute) {
 151                       aShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 152                       aShape->setImpl(new TopoDS_Shape(aBRepShape));
 153                       break;
 154                     }
 155                   }
 156                 }
 157               }
 158             }
 159           }
 160         }
 161       }
 162     }
 163   }
 164   if (!aShape.get())
 165     aShape = ModuleBase_WidgetShapeSelector::getShape();
 166   return aShape;
 167 }
 168
 169 //********************************************************************
 170 void PartSet_WidgetShapeSelector::restoreAttributeValue(const bool theValid)
 171 {
 172   ModuleBase_WidgetShapeSelector::restoreAttributeValue(theValid);
 173   myExternalObjectMgr->removeExternal(sketch(), myFeature);
 174 }
 175
 176 //********************************************************************
 177 void PartSet_WidgetShapeSelector::setPointAttribute(ObjectPtr theSelectedObject, GeomShapePtr theShape)
 178 {
 179   DataPtr aData = myFeature->data();
 180   AttributePtr aAttr = aData->attribute(attributeID());
 181   AttributeRefAttrPtr aRefAttr =
 182     std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aAttr);
 183   if (aRefAttr) {
 184     // it is possible that the point feature is selected. It should be used itself
 185     // instead of searching an attribute for the shape
 186     bool aShapeIsResult = false;
 187     /*ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theSelectedObject);
 188     if (aResult.get() != NULL) {
 189       GeomShapePtr aShapePtr = aResult->shape();
 190       // it is important to call isEqual of the shape of result.
 191       // It is a GeomAPI_Vertex shape for the point. The shape of the parameter is
 192       // GeomAPI_Shape. It is important to use the realization of the isEqual method from
 193       // GeomAPI_Vertex class
 194       aShapeIsResult = aShapePtr.get() != NULL && aShapePtr->isEqual(theShape);
 195     }*/
 196
 197     AttributePtr aPntAttr;
 198     if (!aShapeIsResult) {
 199       TopoDS_Shape aTDSShape = theShape->impl<TopoDS_Shape>();
 200       aPntAttr = PartSet_Tools::findAttributeBy2dPoint(theSelectedObject, aTDSShape, mySketch);
 201     }
 202     // this is an alternative, whether the attribute should be set or object in the attribute
 203     // the first check is the attribute because the object already exist
 204     // the object is set only if there is no selected attribute
 205     // test case is - preselection for distance operation, which contains two points selected on lines
 206     if (aPntAttr)
 207       aRefAttr->setAttr(aPntAttr);
 208     else
 209       aRefAttr->setObject(theSelectedObject);
 210   }
 211 }