src/SketchPlugin/SketchPlugin_Sketch.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2
   3 // File:        SketchPlugin_Sketch.cxx
   4 // Created:     27 Mar 2014
   5 // Author:      Mikhail PONIKAROV
   6
   7 #include <Config_PropManager.h>
   8
   9 #include <GeomAlgoAPI_CompoundBuilder.h>
  10 #include <GeomAlgoAPI_FaceBuilder.h>
  11
  12 #include <GeomAPI_AISObject.h>
  13 #include <GeomAPI_Dir.h>
  14 #include <GeomAPI_PlanarEdges.h>
  15
  16 #include <GeomAlgoAPI_FaceBuilder.h>
  17
  18 #include <ModelAPI_AttributeRefList.h>
  19 #include <ModelAPI_Data.h>
  20 #include <ModelAPI_Document.h>
  21 #include <ModelAPI_Feature.h>
  22 #include <ModelAPI_Object.h>
  23 #include <ModelAPI_ResultConstruction.h>
  24 #include <ModelAPI_Validator.h>
  25 #include <ModelAPI_Session.h>
  26
  27 #include <SketchPlugin_Sketch.h>
  28 #include <SketchPlugin_Feature.h>
  29 #include <SketchPlugin_SketchEntity.h>
  30
  31 #include <memory>
  32
  33 #include <math.h>
  34 #include <vector>
  35
  36 using namespace std;
  37
  38 SketchPlugin_Sketch::SketchPlugin_Sketch()
  39 {
  40 }
  41
  42 void SketchPlugin_Sketch::initAttributes()
  43 {
  44   data()->addAttribute(SketchPlugin_Sketch::ORIGIN_ID(), GeomDataAPI_Point::typeId());
  45   data()->addAttribute(SketchPlugin_Sketch::DIRX_ID(), GeomDataAPI_Dir::typeId());
  46   data()->addAttribute(SketchPlugin_Sketch::NORM_ID(), GeomDataAPI_Dir::typeId());
  47   data()->addAttribute(SketchPlugin_Sketch::FEATURES_ID(), ModelAPI_AttributeRefList::typeId());
  48   // the selected face, base for the sketcher plane, not obligatory
  49   data()->addAttribute(SketchPlugin_SketchEntity::EXTERNAL_ID(), ModelAPI_AttributeSelection::typeId());
  50   ModelAPI_Session::get()->validators()->registerNotObligatory(
  51     getKind(), SketchPlugin_SketchEntity::EXTERNAL_ID());
  52 }
  53
  54 void SketchPlugin_Sketch::execute()
  55 {
  56   if (!data()->isValid())
  57     return;
  58   std::shared_ptr<ModelAPI_AttributeRefList> aRefList = std::dynamic_pointer_cast<
  59       ModelAPI_AttributeRefList>(data()->attribute(SketchPlugin_Sketch::FEATURES_ID()));
  60
  61   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
  62       data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
  63   std::shared_ptr<GeomDataAPI_Dir> aDirX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
  64       data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
  65   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
  66       data()->attribute(SketchPlugin_Sketch::NORM_ID()));
  67
  68   std::list<ObjectPtr> aFeatures = aRefList->list();
  69   if (aFeatures.empty())
  70     return;
  71
  72   std::list<ObjectPtr>::const_iterator anIt = aFeatures.begin(), aLast = aFeatures.end();
  73   std::shared_ptr<SketchPlugin_Feature> aFeature;
  74   std::list<std::shared_ptr<GeomAPI_Shape> > aFeaturesPreview;
  75   for (; anIt != aLast; anIt++) {
  76     aFeature = std::dynamic_pointer_cast<SketchPlugin_Feature>(*anIt);
  77     if (aFeature) {
  78       if (!aFeature->sketch()) // on load document the back references are missed
  79         aFeature->setSketch(this);
  80       // do not include the external edges into the result
  81       if (aFeature->data()->attribute(SketchPlugin_SketchEntity::EXTERNAL_ID())) {
  82         if (aFeature->data()->selection(SketchPlugin_SketchEntity::EXTERNAL_ID())->value())
  83           continue;
  84       }
  85       // do not include the construction entities in the result
  86       if (aFeature->data()->attribute(SketchPlugin_SketchEntity::AUXILIARY_ID())) {
  87         if (aFeature->data()->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value())
  88           continue;
  89       }
  90
  91       const std::list<std::shared_ptr<ModelAPI_Result> >& aRes = aFeature->results();
  92       std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter = aRes.cbegin();
  93       for (; aResIter != aRes.cend(); aResIter++) {
  94         std::shared_ptr<ModelAPI_ResultConstruction> aConstr = std::dynamic_pointer_cast<
  95             ModelAPI_ResultConstruction>(*aResIter);
  96         if (aConstr) {
  97           std::shared_ptr<GeomAPI_Shape> aShape = aConstr->shape();
  98           if (aShape)
  99             aFeaturesPreview.push_back(aShape);
 100         }
 101       }
 102     }
 103   }
 104
 105   if (aFeaturesPreview.empty())
 106     return;
 107
 108   // Collect all edges as one big wire
 109   std::shared_ptr<GeomAPI_PlanarEdges> aBigWire(new GeomAPI_PlanarEdges);
 110   std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator aShapeIt = aFeaturesPreview.begin();
 111   for (; aShapeIt != aFeaturesPreview.end(); ++aShapeIt) {
 112     aBigWire->addEdge(*aShapeIt);
 113   }
 114   aBigWire->setPlane(anOrigin->pnt(), aDirX->dir(), aNorm->dir());
 115   std::shared_ptr<ModelAPI_ResultConstruction> aConstr = document()->createConstruction(data());
 116   aConstr->setShape(aBigWire);
 117   setResult(aConstr);
 118 }
 119
 120 std::shared_ptr<ModelAPI_Feature> SketchPlugin_Sketch::addFeature(std::string theID)
 121 {
 122   std::shared_ptr<ModelAPI_Feature> aNew = document()->addFeature(theID);
 123   if (aNew) {
 124     std::dynamic_pointer_cast<SketchPlugin_Feature>(aNew)->setSketch(this);
 125     data()->reflist(SketchPlugin_Sketch::FEATURES_ID())->append(aNew);
 126   }
 127   return aNew;
 128 }
 129
 130 void SketchPlugin_Sketch::removeFeature(std::shared_ptr<ModelAPI_Feature> theFeature)
 131 {
 132   if (!data().get()) // sketch is already removed (case on undo of sketch), sync is not needed
 133     return;
 134   list<ObjectPtr> aSubs = data()->reflist(SketchPlugin_Sketch::FEATURES_ID())->list();
 135   list<ObjectPtr>::iterator aSubIt = aSubs.begin(), aLastIt = aSubs.end();
 136   bool isRemoved = false;
 137   bool aHasEmtpyFeature = false;
 138   for(; aSubIt != aLastIt && !isRemoved; aSubIt++) {
 139     std::shared_ptr<ModelAPI_Feature> aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*aSubIt);
 140     if (aFeature.get() != NULL && aFeature == theFeature) {
 141       data()->reflist(SketchPlugin_Sketch::FEATURES_ID())->remove(aFeature);
 142       isRemoved = true;
 143     }
 144     else if (aFeature.get() == NULL)
 145       aHasEmtpyFeature = true;
 146   }
 147   // if the object is not found in the sketch sub-elements, that means that the object is removed already.
 148   // Find the first empty element and remove it
 149   if (!isRemoved && aHasEmtpyFeature)
 150     data()->reflist(SketchPlugin_Sketch::FEATURES_ID())->remove(ObjectPtr());
 151 }
 152
 153 int SketchPlugin_Sketch::numberOfSubs() const
 154 {
 155   return data()->reflist(SketchPlugin_Sketch::FEATURES_ID())->size();
 156 }
 157
 158 std::shared_ptr<ModelAPI_Feature> SketchPlugin_Sketch::subFeature(const int theIndex) const
 159 {
 160   ObjectPtr anObj = data()->reflist(SketchPlugin_Sketch::FEATURES_ID())->object(theIndex);
 161   return std::dynamic_pointer_cast<ModelAPI_Feature>(anObj);
 162 }
 163
 164 int SketchPlugin_Sketch::subFeatureId(const int theIndex) const
 165 {
 166   return subFeature(theIndex)->data()->featureId();
 167 }
 168
 169 bool SketchPlugin_Sketch::isSub(ObjectPtr theObject) const
 170 {
 171   // check is this feature of result
 172   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theObject);
 173   if (!aFeature) {
 174     ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 175     if (aRes)
 176       aFeature = document()->feature(aRes);
 177   }
 178   if (aFeature) {
 179     list<ObjectPtr> aSubs = data()->reflist(SketchPlugin_Sketch::FEATURES_ID())->list();
 180     for(list<ObjectPtr>::iterator aSubIt = aSubs.begin(); aSubIt != aSubs.end(); aSubIt++) {
 181       if (*aSubIt == aFeature)
 182         return true;
 183     }
 184   }
 185   return false;
 186 }
 187
 188
 189 void SketchPlugin_Sketch::erase()
 190 {
 191   std::shared_ptr<ModelAPI_AttributeRefList> aRefList = std::dynamic_pointer_cast<
 192       ModelAPI_AttributeRefList>(data()->attribute(SketchPlugin_Sketch::FEATURES_ID()));
 193   std::list<ObjectPtr> aFeatures = aRefList->list();
 194   std::list<ObjectPtr>::const_iterator anIt = aFeatures.begin();
 195   for (; anIt != aFeatures.end(); anIt++) {
 196     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anIt);
 197     if (aFeature) {
 198       // subs are referenced from sketch, but must be removed for sure, so not checkings
 199       document()->removeFeature(aFeature);
 200     }
 201   }
 202   ModelAPI_CompositeFeature::erase();
 203 }
 204
 205 void SketchPlugin_Sketch::attributeChanged(const std::string& theID) {
 206   if (theID == SketchPlugin_SketchEntity::EXTERNAL_ID()) {
 207     std::shared_ptr<GeomAPI_Shape> aSelection =
 208       data()->selection(SketchPlugin_SketchEntity::EXTERNAL_ID())->value();
 209     if (aSelection) { // update arguments due to the selection value
 210       // update the sketch plane
 211       std::shared_ptr<GeomAPI_Pln> aPlane = GeomAlgoAPI_FaceBuilder::plane(aSelection);
 212       if (aPlane) {
 213         double anA, aB, aC, aD;
 214         aPlane->coefficients(anA, aB, aC, aD);
 215
 216         // calculate attributes of the sketch
 217         std::shared_ptr<GeomAPI_Dir> aNormDir(new GeomAPI_Dir(anA, aB, aC));
 218         std::shared_ptr<GeomAPI_XYZ> aCoords = aNormDir->xyz();
 219         std::shared_ptr<GeomAPI_XYZ> aZero(new GeomAPI_XYZ(0, 0, 0));
 220         aCoords = aCoords->multiplied(-aD * aCoords->distance(aZero));
 221         std::shared_ptr<GeomAPI_Pnt> anOrigPnt(new GeomAPI_Pnt(aCoords));
 222         // X axis is preferable to be dirX on the sketch
 223         static const double tol = 1.e-7;
 224         bool isX = fabs(anA - 1.0) < tol && fabs(aB) < tol && fabs(aC) < tol;
 225         std::shared_ptr<GeomAPI_Dir> aTempDir(
 226           isX ? new GeomAPI_Dir(0, 1, 0) : new GeomAPI_Dir(1, 0, 0));
 227         std::shared_ptr<GeomAPI_Dir> aYDir(new GeomAPI_Dir(aNormDir->cross(aTempDir)));
 228         std::shared_ptr<GeomAPI_Dir> aXDir(new GeomAPI_Dir(aYDir->cross(aNormDir)));
 229
 230         // update position of the sketch
 231         std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast
 232           <GeomDataAPI_Point>(data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 233         anOrigin->setValue(anOrigPnt);
 234         std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 235           data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 236         aNormal->setValue(aNormDir);
 237         std::shared_ptr<GeomDataAPI_Dir> aDirX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 238           data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
 239         aDirX->setValue(aXDir);
 240         std::shared_ptr<GeomAPI_Dir> aDir = aPlane->direction();
 241       }
 242     }
 243   }
 244 }