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_BodyBuilder.h>
  21 #include <ModelAPI_Data.h>
  22 #include <ModelAPI_Document.h>
  23 #include <ModelAPI_Object.h>
  24 #include <ModelAPI_ResultBody.h>
  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::typeId());
  56 }
  57
  58 /*
  59  * Computes or recomputes the results
  60  */
  61 void ExchangePlugin_ImportFeature::execute()
  62 {
  63   AttributeStringPtr aFilePathAttr =
  64       this->string(ExchangePlugin_ImportFeature::FILE_PATH_ID());
  65   std::string aFilePath = aFilePathAttr->value();
  66   if (aFilePath.empty())
  67     return;
  68
  69   importFile(aFilePath);
  70 }
  71
  72 bool ExchangePlugin_ImportFeature::importFile(const std::string& theFileName)
  73 {
  74   // retrieve the file and plugin library names
  75   // ".brep" -> "BREP"
  76   std::string anExtension = GeomAlgoAPI_Tools::File_Tools::extension(theFileName);
  77
  78   // Perform the import
  79   std::string anError;
  80
  81   std::shared_ptr<GeomAPI_Shape> aGeomShape;
  82   if (anExtension == "BREP" || anExtension == "BRP") {
  83     aGeomShape = BREPImport(theFileName, anExtension, anError);
  84   } else if (anExtension == "STEP" || anExtension == "STP") {
  85     aGeomShape = STEPImport(theFileName, anExtension, anError);
  86   } else if (anExtension == "IGES" || anExtension == "IGS") {
  87     aGeomShape = IGESImport(theFileName, anExtension, anError);
  88   }
  89    // Check if shape is valid
  90   if ( aGeomShape->isNull() ) {
  91     const static std::string aShapeError =
  92       "An error occurred while importing " + theFileName + ": " + anError;
  93     setError(aShapeError);
  94     return false;
  95   }
  96
  97   // Pass the results into the model
  98   std::string anObjectName = GeomAlgoAPI_Tools::File_Tools::name(theFileName);
  99   data()->setName(anObjectName);
 100   std::shared_ptr<ModelAPI_ResultBody> aResultBody = document()->createBody(data());
 101
 102   //LoadNamingDS of the imported shape
 103   loadNamingDS(aGeomShape, aResultBody);
 104
 105   setResult(aResultBody);
 106
 107   return true;
 108 }
 109
 110 //============================================================================
 111 void ExchangePlugin_ImportFeature::loadNamingDS(
 112     std::shared_ptr<GeomAPI_Shape> theGeomShape,
 113     std::shared_ptr<ModelAPI_ResultBody> theResultBody)
 114 {
 115   //load result
 116   theResultBody->store(theGeomShape);
 117
 118   int aTag(1);
 119   std::string aNameMS = "Shape";
 120   theResultBody->loadFirstLevel(theGeomShape, aNameMS, aTag);
 121 }