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 <GeomAlgoAPI_BREPImport.h>
  12 #include <GeomAlgoAPI_STEPImport.h>
  13 #include <GeomAlgoAPI_IGESImport.h>
  14
  15 #include <GeomAPI_Shape.h>
  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 #include <TCollection_AsciiString.hxx>
  25 #include <TDF_Label.hxx>
  26 #include <TopoDS_Shape.hxx>
  27 #include <OSD_Path.hxx>
  28
  29 #include <algorithm>
  30 #include <string>
  31 #ifdef _DEBUG
  32 #include <iostream>
  33 #include <ostream>
  34 #endif
  35
  36 ExchangePlugin_ImportFeature::ExchangePlugin_ImportFeature()
  37 {
  38 }
  39
  40 ExchangePlugin_ImportFeature::~ExchangePlugin_ImportFeature()
  41 {
  42   // TODO Auto-generated destructor stub
  43 }
  44
  45 /*
  46  * Returns the unique kind of a feature
  47  */
  48 const std::string& ExchangePlugin_ImportFeature::getKind()
  49 {
  50   return ExchangePlugin_ImportFeature::ID();
  51 }
  52
  53 /*
  54  * Request for initialization of data model of the feature: adding all attributes
  55  */
  56 void ExchangePlugin_ImportFeature::initAttributes()
  57 {
  58   data()->addAttribute(ExchangePlugin_ImportFeature::FILE_PATH_ID(), ModelAPI_AttributeString::typeId());
  59 }
  60
  61 /*
  62  * Computes or recomputes the results
  63  */
  64 void ExchangePlugin_ImportFeature::execute()
  65 {
  66   AttributeStringPtr aFilePathAttr =
  67       this->string(ExchangePlugin_ImportFeature::FILE_PATH_ID());
  68   std::string aFilePath = aFilePathAttr->value();
  69   if (aFilePath.empty())
  70     return;
  71
  72   importFile(aFilePath);
  73 }
  74
  75 bool ExchangePlugin_ImportFeature::importFile(const std::string& theFileName)
  76 {
  77   // retrieve the file and plugin library names
  78   TCollection_AsciiString aFileName(theFileName.c_str());
  79   OSD_Path aPath(aFileName);
  80   TCollection_AsciiString anExtension = aPath.Extension();
  81   // ".brep" -> "BREP", TCollection_AsciiString are numbered from 1
  82   anExtension = anExtension.SubString(2, anExtension.Length());
  83   anExtension.UpperCase();
  84
  85   // Perform the import
  86   TCollection_AsciiString anError;
  87
  88   TopoDS_Shape aShape;
  89   if (anExtension == "BREP") {
  90     aShape = BREPImport::Import(aFileName, anExtension, anError);
  91   } else if (anExtension == "STEP" || anExtension == "STP") {
  92     aShape = STEPImport::Import(aFileName, anExtension, anError);
  93   } else if (anExtension == "IGES") {
  94     aShape = IGESImport::Import(aFileName, anExtension, anError);
  95   }
  96    // Check if shape is valid
  97   if ( aShape.IsNull() ) {
  98      const static std::string aShapeError =
  99        "An error occurred while importing " + theFileName + ": " + anError.ToCString();
 100      setError(aShapeError);
 101      return false;
 102    }
 103
 104   // Pass the results into the model
 105   std::string anObjectName = aPath.Name().ToCString();
 106   data()->setName(anObjectName);
 107   std::shared_ptr<ModelAPI_ResultBody> aResultBody = document()->createBody(data());
 108   std::shared_ptr<GeomAPI_Shape> aGeomShape(new GeomAPI_Shape);
 109   aGeomShape->setImpl(new TopoDS_Shape(aShape));
 110
 111   //LoadNamingDS of the imported shape
 112   loadNamingDS(aGeomShape, aResultBody);
 113
 114   setResult(aResultBody);
 115
 116   return true;
 117 }
 118
 119 //============================================================================
 120 void ExchangePlugin_ImportFeature::loadNamingDS(
 121     std::shared_ptr<GeomAPI_Shape> theGeomShape,
 122     std::shared_ptr<ModelAPI_ResultBody> theResultBody)
 123 {
 124   //load result
 125   theResultBody->store(theGeomShape);
 126
 127   int aTag(1);
 128   std::string aNameMS = "Shape";
 129   theResultBody->loadFirstLevel(theGeomShape, aNameMS, aTag);
 130 }