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
  14 #include <GeomAPI_Shape.h>
  15 #include <Config_Common.h>
  16 #include <Config_PropManager.h>
  17
  18 #include <ModelAPI_AttributeString.h>
  19 #include <ModelAPI_Data.h>
  20 #include <ModelAPI_Document.h>
  21 #include <ModelAPI_Object.h>
  22 #include <ModelAPI_ResultBody.h>
  23 #include <TCollection_AsciiString.hxx>
  24 #include <TDF_Label.hxx>
  25 #include <TopoDS_Shape.hxx>
  26 #include <OSD_Path.hxx>
  27
  28 #include <algorithm>
  29 #include <string>
  30 #ifdef _DEBUG
  31 #include <iostream>
  32 #include <ostream>
  33 #endif
  34
  35 ExchangePlugin_ImportFeature::ExchangePlugin_ImportFeature()
  36 {
  37 }
  38
  39 ExchangePlugin_ImportFeature::~ExchangePlugin_ImportFeature()
  40 {
  41   // TODO Auto-generated destructor stub
  42 }
  43
  44 /*
  45  * Returns the unique kind of a feature
  46  */
  47 const std::string& ExchangePlugin_ImportFeature::getKind()
  48 {
  49   return ExchangePlugin_ImportFeature::ID();
  50 }
  51
  52 /*
  53  * Request for initialization of data model of the feature: adding all attributes
  54  */
  55 void ExchangePlugin_ImportFeature::initAttributes()
  56 {
  57   data()->addAttribute(ExchangePlugin_ImportFeature::FILE_PATH_ID(), ModelAPI_AttributeString::type());
  58 }
  59
  60 /*
  61  * Computes or recomputes the results
  62  */
  63 void ExchangePlugin_ImportFeature::execute()
  64 {
  65   AttributeStringPtr aFilePathAttr = std::dynamic_pointer_cast<ModelAPI_AttributeString>(
  66       data()->attribute(ExchangePlugin_ImportFeature::FILE_PATH_ID()));
  67   std::string aFilePath = aFilePathAttr->value();
  68   if(aFilePath.empty())
  69     return;
  70   importFile(aFilePath);
  71 }
  72
  73 bool ExchangePlugin_ImportFeature::importFile(const std::string& theFileName)
  74 {
  75   // retrieve the file and plugin library names
  76   TCollection_AsciiString aFileName (theFileName.c_str());
  77   OSD_Path aPath(aFileName);
  78   TCollection_AsciiString aFormatName = aPath.Extension();
  79   // ".brep" -> "BREP", TCollection_AsciiString are numbered from 1
  80   aFormatName = aFormatName.SubString(2, aFormatName.Length());
  81   aFormatName.UpperCase();
  82
  83   // Perform the import
  84   TCollection_AsciiString anError;
  85   TDF_Label anUnknownLabel = TDF_Label();
  86
  87   TopoDS_Shape aShape;
  88   if (aFormatName == "BREP") {
  89     aShape = BREPImport::Import(aFileName, aFormatName, anError, anUnknownLabel);
  90   } else if (aFormatName == "STEP") {
  91     aShape = STEPImport::Import(aFileName, aFormatName, anError, anUnknownLabel);
  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   //std::string aNameDE = "DiscEdges";
 128   //theResultBody->loadDisconnectedEdges(theGeomShape, aNameDE, aTag);
 129   //std::string aNameDV = "DiscVertexes";
 130   //theResultBody->loadDisconnectedVertexes(theGeomShape, aNameDV, aTag);
 131 }