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
  15 #include <PartSet_Tools.h>
  16 #include <SketchPlugin_Feature.h>
  17
  18 #include <SketchPlugin_ConstraintRigid.h>
  19
  20 #include <XGUI_Workshop.h>
  21
  22 PartSet_WidgetShapeSelector::PartSet_WidgetShapeSelector(QWidget* theParent,
  23                                                          ModuleBase_IWorkshop* theWorkshop,
  24                                                          const Config_WidgetAPI* theData,
  25                                                          const std::string& theParentId)
  26 : ModuleBase_WidgetShapeSelector(theParent, theWorkshop, theData, theParentId)
  27 {
  28 }
  29
  30 bool PartSet_WidgetShapeSelector::setObject(ObjectPtr theSelectedObject, GeomShapePtr theShape)
  31 {
  32   ObjectPtr aSelectedObject = theSelectedObject;
  33   GeomShapePtr aShape = theShape;
  34
  35   FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(aSelectedObject);
  36   if (aSelectedFeature == myFeature)  // In order to avoid selection of the same object
  37     return false;
  38   std::shared_ptr<SketchPlugin_Feature> aSPFeature =
  39           std::dynamic_pointer_cast<SketchPlugin_Feature>(aSelectedFeature);
  40   if (aSPFeature.get() == NULL && aShape.get() != NULL && !aShape->isNull()) {
  41     // Processing of external (non-sketch) object
  42     createExternal(theSelectedObject, theShape);
  43     if (myExternalObject)
  44       aSelectedObject = myExternalObject;
  45     else
  46       return false;
  47   } else {
  48     // Processing of sketch object
  49     DataPtr aData = myFeature->data();
  50     if (aShape) {
  51       AttributePtr aAttr = aData->attribute(attributeID());
  52       AttributeRefAttrPtr aRefAttr =
  53         std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(aAttr);
  54       if (aRefAttr) {
  55         // it is possible that the point feature is selected. It should be used itself
  56         // instead of searching an attribute for the shape
  57         bool aShapeIsResult = false;
  58         /*ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theSelectedObject);
  59         if (aResult.get() != NULL) {
  60           GeomShapePtr aShapePtr = aResult->shape();
  61           // it is important to call isEqual of the shape of result.
  62           // It is a GeomAPI_Vertex shape for the point. The shape of the parameter is
  63           // GeomAPI_Shape. It is important to use the realization of the isEqual method from
  64           // GeomAPI_Vertex class
  65           aShapeIsResult = aShapePtr.get() != NULL && aShapePtr->isEqual(theShape);
  66         }*/
  67
  68         AttributePtr aPntAttr;
  69         if (!aShapeIsResult) {
  70           TopoDS_Shape aTDSShape = aShape->impl<TopoDS_Shape>();
  71           aPntAttr = PartSet_Tools::findAttributeBy2dPoint(aSelectedObject, aTDSShape, mySketch);
  72         }
  73         // this is an alternative, whether the attribute should be set or object in the attribute
  74         // the first check is the attribute because the object already exist
  75         // the object is set only if there is no selected attribute
  76         // test case is - preselection for distance operation, which contains two points selected on lines
  77         if (aPntAttr)
  78           aRefAttr->setAttr(aPntAttr);
  79         else if (aSelectedObject)
  80           aRefAttr->setObject(aSelectedObject);
  81         return true;
  82       }
  83     }
  84   }
  85   return ModuleBase_WidgetShapeSelector::setObject(aSelectedObject, aShape);
  86 }
  87
  88 //********************************************************************
  89 void PartSet_WidgetShapeSelector::restoreAttributeValue(const bool theValid)
  90 {
  91   ModuleBase_WidgetShapeSelector::restoreAttributeValue(theValid);
  92   removeExternal();
  93 }
  94
  95 //********************************************************************
  96 void PartSet_WidgetShapeSelector::createExternal(ObjectPtr theSelectedObject,
  97                                                  GeomShapePtr theShape)
  98 {
  99   ObjectPtr aObj = PartSet_Tools::createFixedObjectByExternal(theShape->impl<TopoDS_Shape>(),
 100                                                               theSelectedObject, mySketch);
 101   if (aObj != myExternalObject) {
 102     removeExternal();
 103     myExternalObject = aObj;
 104   }
 105 }
 106
 107 //********************************************************************
 108 void PartSet_WidgetShapeSelector::removeExternal()
 109 {
 110   if (myExternalObject.get()) {
 111     DocumentPtr aDoc = myExternalObject->document();
 112     FeaturePtr aFeature = ModelAPI_Feature::feature(myExternalObject);
 113     if (aFeature.get() != NULL) {
 114       // 1. check whether the external object can be deleted
 115       // It should not be deleted if there are references to the object from other features,
 116       // which are not the sketch or a rigid constraints.
 117       std::set<FeaturePtr> aRefFeatures;
 118       aFeature->document()->refsToFeature(aFeature, aRefFeatures, false);
 119       std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
 120                                        aLast = aRefFeatures.end();
 121       bool aReferenceExist = false;
 122       CompositeFeaturePtr aSketch = sketch();
 123       for (; anIt != aLast && !aReferenceExist; anIt++) {
 124         FeaturePtr aFeature = (*anIt);
 125         aReferenceExist = aFeature != aSketch &&
 126                           aFeature->getKind() != SketchPlugin_ConstraintRigid::ID();
 127       }
 128       if (aReferenceExist)
 129         return;
 130
 131       // 2. delete external object
 132       QObjectPtrList anObjects;
 133       anObjects.append(aFeature);
 134       // the external feature should be removed with all references, sketch feature should be ignored
 135       std::set<FeaturePtr> anIgnoredFeatures;
 136       anIgnoredFeatures.insert(sketch());
 137       XGUI_Workshop::deleteFeatures(anObjects, anIgnoredFeatures);
 138     }
 139     myExternalObject = NULL;
 140   }
 141 }