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Issue #1343 Improvement of Extrusion and Revolution operations: extrusion cut.
[modules/shaper.git] / src / FeaturesPlugin / FeaturesPlugin_Extrusion.cpp
index fa7484b657f0350a272577f2fd859f4df364c759..d388035926c7cb47f7189600ee823ebf670537e3 100644 (file)
 // Author:      Vitaly SMETANNIKOV
 
 #include "FeaturesPlugin_Extrusion.h"
+
 #include <ModelAPI_Session.h>
 #include <ModelAPI_Validator.h>
-#include <ModelAPI_Document.h>
-#include <ModelAPI_Data.h>
 #include <ModelAPI_ResultConstruction.h>
 #include <ModelAPI_ResultBody.h>
 #include <ModelAPI_AttributeDouble.h>
 #include <ModelAPI_AttributeSelection.h>
 #include <ModelAPI_AttributeSelectionList.h>
-#include <ModelAPI_AttributeBoolean.h>
 #include <ModelAPI_AttributeString.h>
 #include <ModelAPI_AttributeReference.h>
-#include <GeomAlgoAPI_Extrusion.h>
-#include <GeomAlgoAPI_FaceBuilder.h>
+
+#include <GeomAlgoAPI_CompoundBuilder.h>
 #include <GeomAlgoAPI_Prism.h>
+#include <GeomAlgoAPI_ShapeTools.h>
 
-using namespace std;
-#define _LATERAL_TAG 1
-#define _FIRST_TAG 2
-#define _LAST_TAG 3
-#define EDGE 6
+#include <sstream>
 
+//=================================================================================================
 FeaturesPlugin_Extrusion::FeaturesPlugin_Extrusion()
 {
 }
 
+//=================================================================================================
 void FeaturesPlugin_Extrusion::initAttributes()
 {
   AttributeSelectionListPtr aSelection = 
     std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(data()->addAttribute(
-    FeaturesPlugin_Extrusion::LIST_ID(), ModelAPI_AttributeSelectionList::typeId()));
+    LIST_ID(), ModelAPI_AttributeSelectionList::typeId()));
   // extrusion works with faces always
   aSelection->setSelectionType("FACE");
 
-  data()->addAttribute(FeaturesPlugin_Extrusion::TO_SIZE_ID(), ModelAPI_AttributeDouble::typeId());
-  data()->addAttribute(FeaturesPlugin_Extrusion::FROM_SIZE_ID(), ModelAPI_AttributeDouble::typeId());
+  data()->addAttribute(CREATION_METHOD(), ModelAPI_AttributeString::typeId());
+
+  data()->addAttribute(TO_SIZE_ID(), ModelAPI_AttributeDouble::typeId());
+  data()->addAttribute(FROM_SIZE_ID(), ModelAPI_AttributeDouble::typeId());
 
-  data()->addAttribute(FeaturesPlugin_Extrusion::FROM_OBJECT_ID(), ModelAPI_AttributeSelection::typeId());
-  data()->addAttribute(FeaturesPlugin_Extrusion::TO_OBJECT_ID(), ModelAPI_AttributeSelection::typeId());
+  data()->addAttribute(TO_OBJECT_ID(), ModelAPI_AttributeSelection::typeId());
+  data()->addAttribute(TO_OFFSET_ID(), ModelAPI_AttributeDouble::typeId());
 
-  ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), FeaturesPlugin_Extrusion::FROM_OBJECT_ID());
-  ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), FeaturesPlugin_Extrusion::TO_OBJECT_ID());
+  data()->addAttribute(FROM_OBJECT_ID(), ModelAPI_AttributeSelection::typeId());
+  data()->addAttribute(FROM_OFFSET_ID(), ModelAPI_AttributeDouble::typeId());
+
+  ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), TO_OBJECT_ID());
+  ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), FROM_OBJECT_ID());
+
+  // Composite Sketch attribute
+  data()->addAttribute(FeaturesPlugin_CompositeSketch::SKETCH_OBJECT_ID(),
+                       ModelAPI_AttributeReference::typeId());
+  ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(),
+                       FeaturesPlugin_CompositeSketch::SKETCH_OBJECT_ID());
 }
 
+//=================================================================================================
 void FeaturesPlugin_Extrusion::execute()
 {
-  AttributeSelectionListPtr aFaceRefs = selectionList(FeaturesPlugin_Extrusion::LIST_ID());
-
-  std::shared_ptr<GeomAPI_Shape> aFromShape;
-  std::shared_ptr<GeomAPI_Shape> aToShape;
-
-  // Getting bounding planes.
-  std::shared_ptr<ModelAPI_AttributeSelection> anObjRef = selection(FeaturesPlugin_Extrusion::FROM_OBJECT_ID());
-  if (anObjRef) {
-    aFromShape = std::dynamic_pointer_cast<GeomAPI_Shape>(anObjRef->value());
-  }
-  anObjRef = selection(FeaturesPlugin_Extrusion::TO_OBJECT_ID());
-  if (anObjRef) {
-    aToShape = std::dynamic_pointer_cast<GeomAPI_Shape>(anObjRef->value());
+  /// feature extrusion does not have the next attribute
+  AttributeSelectionListPtr aFacesSelectionList = selectionList(LIST_ID());
+  if (aFacesSelectionList.get() && !aFacesSelectionList->isInitialized()) {
+    AttributeReferencePtr aSketchAttr = reference(SKETCH_OBJECT_ID());
+    if (aSketchAttr.get() && aSketchAttr->isInitialized())
+      setSketchObjectToList();
   }
 
-  // Getting sizes.
-  double aFromSize = real(FeaturesPlugin_Extrusion::FROM_SIZE_ID())->value();
-  double aToSize = real(FeaturesPlugin_Extrusion::TO_SIZE_ID())->value();
-
-  // for each selected face generate a result
-  int anIndex = 0, aResultIndex = 0;
-  for(; anIndex < aFaceRefs->size(); anIndex++) {
-    std::shared_ptr<ModelAPI_AttributeSelection> aFaceRef = aFaceRefs->value(anIndex);
-    ResultPtr aContextRes = aFaceRef->context();
-    std::shared_ptr<GeomAPI_Shape> aContext = aContextRes->shape();
-    if (!aContext.get()) {
-      static const std::string aContextError = "The selection context is bad";
-      setError(aContextError);
-      break;
-    }
-
-    std::shared_ptr<GeomAPI_Shape> aValueFace = aFaceRef->value();
-    int aFacesNum = -1; // this mean that "aFace" is used
-    ResultConstructionPtr aConstruction =
-      std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aContextRes);
-    if (!aValueFace.get()) { // this may be the whole sketch result selected, check and get faces
-      if (aConstruction.get()) {
-        aFacesNum = aConstruction->facesNum();
-      } else {
-        static const std::string aFaceError = "Can not find basis for extrusion";
+  // Getting faces.
+  ListOfShape aFacesList;
+  for(int anIndex = 0; anIndex < aFacesSelectionList->size(); anIndex++) {
+    AttributeSelectionPtr aFaceSel = aFacesSelectionList->value(anIndex);
+    std::shared_ptr<GeomAPI_Shape> aFaceShape = aFaceSel->value();
+    if(aFaceShape.get() && !aFaceShape->isNull()) { // Getting face.
+      aFacesList.push_back(aFaceShape);
+    } else { // This may be the whole sketch result selected, check and get faces.
+      ResultPtr aContext = aFaceSel->context();
+      std::shared_ptr<GeomAPI_Shape> aContextShape = aContext->shape();
+      if(!aContextShape.get()) {
+        static const std::string aContextError = "Error: The selection context is bad.";
+        setError(aContextError);
+        return;
+      }
+      ResultConstructionPtr aConstruction = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aContext);
+      if(!aConstruction.get()) {
+        static const std::string aFaceError = "Error: Can not find basis for extrusion.";
         setError(aFaceError);
-        break;
+        return;
+      }
+      int aFacesNum = aConstruction->facesNum();
+      for(int aFaceIndex = 0; aFaceIndex < aFacesNum || aFacesNum == -1; aFaceIndex++) {
+        aFaceShape = std::dynamic_pointer_cast<GeomAPI_Shape>(aConstruction->face(aFaceIndex));
+        aFacesList.push_back(aFaceShape);
       }
     }
+  }
 
-    for(int aFaceIndex = 0; aFaceIndex < aFacesNum || aFacesNum == -1; aFaceIndex++) {
-      ResultBodyPtr aResultBody = document()->createBody(data(), aResultIndex);
-      std::shared_ptr<GeomAPI_Shape> aBaseShape;
-      if (aFacesNum == -1) {
-        aBaseShape = aValueFace;
-      } else {
-        aBaseShape = std::dynamic_pointer_cast<GeomAPI_Shape>(aConstruction->face(aFaceIndex));
-      }
+  // Getting sizes.
+  double aToSize = 0.0;
+  double aFromSize = 0.0;
+
+  if(string(CREATION_METHOD())->value() == "BySizes") {
+    aToSize = real(TO_SIZE_ID())->value();
+    aFromSize =  real(FROM_SIZE_ID())->value();
+  } else {
+    aToSize = real(TO_OFFSET_ID())->value();
+    aFromSize =  real(FROM_OFFSET_ID())->value();
+  }
 
-      GeomAlgoAPI_Prism aFeature(aBaseShape, aFromShape, aFromSize, aToShape, aToSize);
-      if(!aFeature.isDone()) {
-        static const std::string aFeatureError = "Extrusion algorithm failed";
-        setError(aFeatureError);
-        break;
-      }
+  // Getting bounding planes.
+  std::shared_ptr<GeomAPI_Shape> aToShape;
+  std::shared_ptr<GeomAPI_Shape> aFromShape;
 
-      // Check if shape is valid
-      if(aFeature.shape()->isNull()) {
-        static const std::string aShapeError = "Resulting shape is Null";
-        setError(aShapeError);
-        break;
+  if(string(CREATION_METHOD())->value() == "ByPlanesAndOffsets") {
+    std::shared_ptr<ModelAPI_AttributeSelection> anObjRef = selection(TO_OBJECT_ID());
+    if(anObjRef.get() != NULL) {
+      aToShape = std::dynamic_pointer_cast<GeomAPI_Shape>(anObjRef->value());
+      if(aToShape.get() == NULL && anObjRef->context().get() != NULL) {
+        aToShape =  anObjRef->context()->shape();
       }
-      if(!aFeature.isValid()) {
-        std::string aFeatureError = "Warning: resulting shape is not valid";
-        setError(aFeatureError);
-        break;
+    }
+    anObjRef = selection(FROM_OBJECT_ID());
+    if(anObjRef.get() != NULL) {
+      aFromShape = std::dynamic_pointer_cast<GeomAPI_Shape>(anObjRef->value());
+      if(aFromShape.get() == NULL && anObjRef->context().get() != NULL) {
+        aFromShape = anObjRef->context()->shape();
       }
-      //LoadNamingDS
-      LoadNamingDS(aFeature, aResultBody, aBaseShape, aContext);
+    }
+  }
 
-      setResult(aResultBody, aResultIndex);
-      aResultIndex++;
+  // Searching faces with common edges.
+  ListOfShape aShells;
+  ListOfShape aFreeFaces;
+  std::shared_ptr<GeomAPI_Shape> aFacesCompound = GeomAlgoAPI_CompoundBuilder::compound(aFacesList);
+  GeomAlgoAPI_ShapeTools::combineShapes(aFacesCompound, GeomAPI_Shape::SHELL, aShells, aFreeFaces);
+  aShells.insert(aShells.end(), aFreeFaces.begin(), aFreeFaces.end());
+
+  // Generating result for each shell and face.
+  int aResultIndex = 0;
+  for(ListOfShape::const_iterator anIter = aShells.cbegin(); anIter != aShells.cend(); anIter++) {
+    std::shared_ptr<GeomAPI_Shape> aBaseShape = *anIter;
+
+    GeomAlgoAPI_Prism aPrismAlgo(aBaseShape, aToShape, aToSize, aFromShape, aFromSize);
+    if(!aPrismAlgo.isDone()) {
+      static const std::string aPrismAlgoError = "Error: Extrusion algorithm failed.";
+      setError(aPrismAlgoError);
+      aResultIndex = 0;
+      break;
+    }
 
-      if (aFacesNum == -1)
-        break;
+    // Check if shape is valid
+    if(!aPrismAlgo.shape().get() || aPrismAlgo.shape()->isNull()) {
+      static const std::string aShapeError = "Error: Resulting shape is Null.";
+      setError(aShapeError);
+      aResultIndex = 0;
+      break;
+    }
+    if(!aPrismAlgo.isValid()) {
+      std::string aPrismAlgoError = "Error: Resulting shape is not valid.";
+      setError(aPrismAlgoError);
+      aResultIndex = 0;
+      break;
     }
+
+    ResultBodyPtr aResultBody = document()->createBody(data(), aResultIndex);
+    loadNamingDS(aPrismAlgo, aResultBody, aBaseShape);
+    setResult(aResultBody, aResultIndex);
+    aResultIndex++;
   }
-  // remove the rest results if there were produced in the previous pass
+
   removeResults(aResultIndex);
 }
 
-//============================================================================
-void FeaturesPlugin_Extrusion::LoadNamingDS(GeomAlgoAPI_Prism& theFeature,
+//=================================================================================================
+void FeaturesPlugin_Extrusion::removeFeature(std::shared_ptr<ModelAPI_Feature> theFeature)
+{
+  AttributeSelectionListPtr aFacesSelectionList = selectionList(LIST_ID());
+  if (aFacesSelectionList.get() && aFacesSelectionList->size() > 0)
+    aFacesSelectionList->clear();
+}
+
+//=================================================================================================
+void FeaturesPlugin_Extrusion::loadNamingDS(GeomAlgoAPI_Prism& thePrismAlgo,
                                             std::shared_ptr<ModelAPI_ResultBody> theResultBody,
-                                            std::shared_ptr<GeomAPI_Shape> theBasis,
-                                            std::shared_ptr<GeomAPI_Shape> theContext)
+                                            std::shared_ptr<GeomAPI_Shape> theBasis)
 {
   //load result
-  if(theBasis->isEqual(theContext))
-    theResultBody->store(theFeature.shape());
-  else
-    theResultBody->storeGenerated(theBasis, theFeature.shape());
+  theResultBody->storeGenerated(theBasis, thePrismAlgo.shape());
 
-  std::shared_ptr<GeomAPI_DataMapOfShapeShape> aSubShapes = theFeature.mapOfShapes();
+  std::shared_ptr<GeomAPI_DataMapOfShapeShape> aSubShapes = thePrismAlgo.mapOfSubShapes();
 
   //Insert lateral face : Face from Edge
-  std::string aLatName = "LateralFace";
-  theResultBody->loadAndOrientGeneratedShapes(theFeature.makeShape().get(), theBasis, EDGE,_LATERAL_TAG, aLatName, *aSubShapes.get());
-
-  //Insert bottom face
-  std::string aBotName = "BottomFace";
-  std::shared_ptr<GeomAPI_Shape> aBottomFace = theFeature.firstShape();
-  if(!aBottomFace->isNull()) {
-    if(aSubShapes->isBound(aBottomFace)) {
-      aBottomFace = aSubShapes->find(aBottomFace);
+  const std::string aLatName = "LateralFace";
+  const int aLatTag = 1;
+  theResultBody->loadAndOrientGeneratedShapes(&thePrismAlgo, theBasis, GeomAPI_Shape::EDGE, aLatTag, aLatName, *aSubShapes);
+
+  //Insert to faces
+  int aToFaceIndex = 1;
+  const std::string aToName = "ToFace";
+  int aToTag = 2;
+  const ListOfShape& aToFaces = thePrismAlgo.toShapes();
+  for(ListOfShape::const_iterator anIt = aToFaces.cbegin(); anIt != aToFaces.cend(); anIt++) {
+    std::shared_ptr<GeomAPI_Shape> aToFace = *anIt;
+    if(aSubShapes->isBound(aToFace)) {
+      aToFace = aSubShapes->find(aToFace);
     }
-    theResultBody->generated(aBottomFace, aBotName, _FIRST_TAG);
+    std::ostringstream aStr;
+    aStr << aToName << "_" << aToFaceIndex++;
+    theResultBody->generated(aToFace, aStr.str(), aToTag++);
   }
 
-  //Insert top face
-  std::string aTopName = "TopFace";
-  std::shared_ptr<GeomAPI_Shape> aTopFace = theFeature.lastShape();
-  if (!aTopFace->isNull()) {
-    if (aSubShapes->isBound(aTopFace)) {
-      aTopFace = aSubShapes->find(aTopFace);
+  //Insert from faces
+  int aFromFaceIndex = 1;
+  const std::string aFromName = "FromFace";
+  int aFromTag = aToTag > 10000 ? aToTag : 10000;
+  const ListOfShape& aFromFaces = thePrismAlgo.fromShapes();
+  for(ListOfShape::const_iterator anIt = aFromFaces.cbegin(); anIt != aFromFaces.cend(); anIt++) {
+    std::shared_ptr<GeomAPI_Shape> aFromFace = *anIt;
+    if(aSubShapes->isBound(aFromFace)) {
+      aFromFace = aSubShapes->find(aFromFace);
     }
-    theResultBody->generated(aTopFace, aTopName, _LAST_TAG);
+    std::ostringstream aStr;
+    aStr << aFromName << "_" << aFromFaceIndex++;
+    theResultBody->generated(aFromFace, aStr.str(), aFromTag++);
   }
 }
+
+//=================================================================================================
+void FeaturesPlugin_Extrusion::setSketchObjectToList()
+{
+  std::shared_ptr<ModelAPI_Feature> aSketchFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(
+                                                       reference(SKETCH_OBJECT_ID())->value());
+
+  if(aSketchFeature.get() && !aSketchFeature->results().empty()) {
+    ResultPtr aSketchRes = aSketchFeature->results().front();
+    ResultConstructionPtr aConstruction = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aSketchRes);
+    if(aConstruction.get()) {
+      AttributeSelectionListPtr aFacesSelectionList = selectionList(LIST_ID());
+      if (aFacesSelectionList.get() && aFacesSelectionList->size() == 0)
+        aFacesSelectionList->append(aSketchRes, std::shared_ptr<GeomAPI_Shape>());
+    }
+  }
+}
+