src/ExchangePlugin/ExchangePlugin_ImportFeature.cpp

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