src/ExchangePlugin/ExchangePlugin_ImportFeature.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 /*
   4  * ExchangePlugin_ImportFeature.cpp
   5  *
   6  *  Created on: Aug 28, 2014
   7  *      Author: sbh
   8  */
   9
  10 #include <ExchangePlugin_ImportFeature.h>
  11 #include <ExchangePlugin_BREPImport.h>
  12 #include <ExchangePlugin_STEPImport.h>
  13
  14 #include <GeomAPI_Shape.h>
  15 #include <Config_Common.h>
  16 #include <ModelAPI_AttributeString.h>
  17 #include <ModelAPI_Data.h>
  18 #include <ModelAPI_Document.h>
  19 #include <ModelAPI_Object.h>
  20 #include <ModelAPI_ResultBody.h>
  21 #include <TCollection_AsciiString.hxx>
  22 #include <TDF_Label.hxx>
  23 #include <TopoDS_Shape.hxx>
  24 #include <OSD_Path.hxx>
  25
  26 #include <algorithm>
  27 #include <string>
  28 #ifdef _DEBUG
  29 #include <iostream>
  30 #include <ostream>
  31 #endif
  32
  33 ExchangePlugin_ImportFeature::ExchangePlugin_ImportFeature()
  34 {
  35 }
  36
  37 ExchangePlugin_ImportFeature::~ExchangePlugin_ImportFeature()
  38 {
  39   // TODO Auto-generated destructor stub
  40 }
  41
  42 /*
  43  * Returns the unique kind of a feature
  44  */
  45 const std::string& ExchangePlugin_ImportFeature::getKind()
  46 {
  47   return ExchangePlugin_ImportFeature::ID();
  48 }
  49
  50 /*
  51  * Request for initialization of data model of the feature: adding all attributes
  52  */
  53 void ExchangePlugin_ImportFeature::initAttributes()
  54 {
  55   data()->addAttribute(ExchangePlugin_ImportFeature::FILE_PATH_ID(), ModelAPI_AttributeString::type());
  56 }
  57
  58 /*
  59  * Computes or recomputes the results
  60  */
  61 void ExchangePlugin_ImportFeature::execute()
  62 {
  63   AttributeStringPtr aFilePathAttr = std::dynamic_pointer_cast<ModelAPI_AttributeString>(
  64       data()->attribute(ExchangePlugin_ImportFeature::FILE_PATH_ID()));
  65   std::string aFilePath = aFilePathAttr->value();
  66   if(aFilePath.empty())
  67     return;
  68   importFile(aFilePath);
  69 }
  70
  71 bool ExchangePlugin_ImportFeature::importFile(const std::string& theFileName)
  72 {
  73   // retrieve the file and plugin library names
  74   TCollection_AsciiString aFileName (theFileName.c_str());
  75   OSD_Path aPath(aFileName);
  76   TCollection_AsciiString aFormatName = aPath.Extension();
  77   // ".brep" -> "BREP", TCollection_AsciiString are numbered from 1
  78   aFormatName = aFormatName.SubString(2, aFormatName.Length());
  79   aFormatName.UpperCase();
  80
  81   // Perform the import
  82   TCollection_AsciiString anError;
  83   TDF_Label anUnknownLabel = TDF_Label();
  84
  85   TopoDS_Shape aShape;
  86   if (aFormatName == "BREP") {
  87     aShape = BREPImport::Import(aFileName, aFormatName, anError, anUnknownLabel);
  88   } else if (aFormatName == "STEP") {
  89     aShape = STEPImport::Import(aFileName, aFormatName, anError, anUnknownLabel);
  90   }
  91    // Check if shape is valid
  92   if ( aShape.IsNull() ) {
  93      const static std::string aShapeError =
  94        "An error occurred while importing " + theFileName + ": " + anError.ToCString();
  95      setError(aShapeError);
  96      return false;
  97    }
  98
  99   // Pass the results into the model
 100   std::string anObjectName = aPath.Name().ToCString();
 101   data()->setName(anObjectName);
 102   std::shared_ptr<ModelAPI_ResultBody> aResultBody = document()->createBody(data());
 103   std::shared_ptr<GeomAPI_Shape> aGeomShape(new GeomAPI_Shape);
 104   aGeomShape->setImpl(new TopoDS_Shape(aShape));
 105
 106   //LoadNamingDS of the imported shape
 107   loadNamingDS(aGeomShape, aResultBody);
 108
 109   setResult(aResultBody);
 110
 111   return true;
 112 }
 113
 114 //============================================================================
 115 void ExchangePlugin_ImportFeature::loadNamingDS(
 116                                     std::shared_ptr<GeomAPI_Shape> theGeomShape,
 117                                              std::shared_ptr<ModelAPI_ResultBody> theResultBody)
 118 {
 119   //load result
 120   theResultBody->store(theGeomShape);
 121
 122   int aTag(1);
 123   std::string aNameMS = "Shape";
 124   theResultBody->loadFirstLevel(theGeomShape, aNameMS, aTag);
 125   std::string aNameDE = "DiscEdges";
 126   theResultBody->loadDisconnectedEdges(theGeomShape, aNameDE, aTag);
 127   std::string aNameDV = "DiscVertexes";
 128   theResultBody->loadDisconnectedVertexes(theGeomShape, aNameDV, aTag);
 129 }