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 #include <GeomAlgoAPI_BREPImport.h>
   9 #include <GeomAlgoAPI_STEPImport.h>
  10 #include <GeomAlgoAPI_IGESImport.h>
  11
  12 #include <GeomAPI_Shape.h>
  13 #include <Config_Common.h>
  14 #include <Config_PropManager.h>
  15
  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::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   TCollection_AsciiString aFileName(theFileName.c_str());
  76   OSD_Path aPath(aFileName);
  77   TCollection_AsciiString anExtension = aPath.Extension();
  78   // ".brep" -> "BREP", TCollection_AsciiString are numbered from 1
  79   anExtension = anExtension.SubString(2, anExtension.Length());
  80   anExtension.UpperCase();
  81
  82   // Perform the import
  83   TCollection_AsciiString anError;
  84
  85   TopoDS_Shape aShape;
  86   if (anExtension == "BREP" || anExtension == "BRP") {
  87     aShape = BREPImport::Import(aFileName, anExtension, anError);
  88   } else if (anExtension == "STEP" || anExtension == "STP") {
  89     aShape = STEPImport::Import(aFileName, anExtension, anError);
  90   } else if (anExtension == "IGES" || anExtension == "IGS") {
  91     aShape = IGESImport::Import(aFileName, anExtension, anError);
  92   }
  93    // Check if shape is valid
  94   if ( aShape.IsNull() ) {
  95      const static std::string aShapeError =
  96        "An error occurred while importing " + theFileName + ": " + anError.ToCString();
  97      setError(aShapeError);
  98      return false;
  99    }
 100
 101   // Pass the results into the model
 102   std::string anObjectName = aPath.Name().ToCString();
 103   data()->setName(anObjectName);
 104   std::shared_ptr<ModelAPI_ResultBody> aResultBody = document()->createBody(data());
 105   std::shared_ptr<GeomAPI_Shape> aGeomShape(new GeomAPI_Shape);
 106   aGeomShape->setImpl(new TopoDS_Shape(aShape));
 107
 108   //LoadNamingDS of the imported shape
 109   loadNamingDS(aGeomShape, aResultBody);
 110
 111   setResult(aResultBody);
 112
 113   return true;
 114 }
 115
 116 //============================================================================
 117 void ExchangePlugin_ImportFeature::loadNamingDS(
 118     std::shared_ptr<GeomAPI_Shape> theGeomShape,
 119     std::shared_ptr<ModelAPI_ResultBody> theResultBody)
 120 {
 121   //load result
 122   theResultBody->store(theGeomShape);
 123
 124   int aTag(1);
 125   std::string aNameMS = "Shape";
 126   theResultBody->loadFirstLevel(theGeomShape, aNameMS, aTag);
 127 }