src/FeaturesPlugin/FeaturesPlugin_RemoveSubShapes.cpp

   1 // Copyright (C) 2014-2017  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include "FeaturesPlugin_RemoveSubShapes.h"
  22
  23 #include <ModelAPI_AttributeSelectionList.h>
  24 #include <ModelAPI_ResultBody.h>
  25 #include <ModelAPI_ResultCompSolid.h>
  26 #include <ModelAPI_ResultConstruction.h>
  27 #include <ModelAPI_Session.h>
  28 #include <ModelAPI_Validator.h>
  29
  30 #include <GeomAPI_ShapeIterator.h>
  31
  32 #include <GeomAlgoAPI_Copy.h>
  33 #include <GeomAlgoAPI_ShapeBuilder.h>
  34 #include <GeomAlgoAPI_ShapeTools.h>
  35
  36 //==================================================================================================
  37 FeaturesPlugin_RemoveSubShapes::FeaturesPlugin_RemoveSubShapes()
  38 {
  39 }
  40
  41 //==================================================================================================
  42 void FeaturesPlugin_RemoveSubShapes::initAttributes()
  43 {
  44   data()->addAttribute(BASE_SHAPE_ID(), ModelAPI_AttributeSelection::typeId());
  45
  46   data()->addAttribute(SUBSHAPES_ID(), ModelAPI_AttributeSelectionList::typeId());
  47 }
  48
  49 void FeaturesPlugin_RemoveSubShapes::attributeChanged(const std::string& theID)
  50 {
  51   ModelAPI_Feature::attributeChanged(theID);
  52
  53   if(theID == BASE_SHAPE_ID()) {
  54     AttributeSelectionPtr aShapeAttrSelection = selection(BASE_SHAPE_ID());
  55     AttributeSelectionListPtr aSubShapesAttrList = selectionList(SUBSHAPES_ID());
  56     if(!aShapeAttrSelection.get() || !aSubShapesAttrList.get()) {
  57       return;
  58     }
  59
  60     aSubShapesAttrList->clear();
  61
  62     ResultPtr aContext = aShapeAttrSelection->context();
  63     ResultCompSolidPtr aResultCompSolid =
  64       std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aContext);
  65     if(!aResultCompSolid.get()) {
  66       return;
  67     }
  68
  69     GeomShapePtr aBaseShape = aShapeAttrSelection->value();
  70     if(!aBaseShape.get()) {
  71       aBaseShape = aContext->shape();
  72     }
  73     if(!aBaseShape.get()) {
  74       return;
  75     }
  76     GeomAPI_Shape::ShapeType aShapeType = aBaseShape->shapeType();
  77     if(aShapeType != GeomAPI_Shape::WIRE
  78         && aShapeType != GeomAPI_Shape::SHELL
  79         && aShapeType != GeomAPI_Shape::COMPSOLID
  80         && aShapeType != GeomAPI_Shape::COMPOUND) {
  81       return;
  82     }
  83     for(GeomAPI_ShapeIterator anIt(aBaseShape); anIt.more(); anIt.next()) {
  84       GeomShapePtr aSubShape = anIt.current();
  85       const int aNumOfSubs = aResultCompSolid->numberOfSubs();
  86       if(aNumOfSubs == 0) {
  87         aSubShapesAttrList->append(aContext, aSubShape);
  88       } else {
  89         for(int anIndex = 0; anIndex < aResultCompSolid->numberOfSubs(); ++anIndex) {
  90           ResultBodyPtr aSubResult = aResultCompSolid->subResult(anIndex);
  91           if(aSubResult->shape()->isEqual(aSubShape)) {
  92             aSubShapesAttrList->append(aSubResult, aSubShape);
  93             break;
  94           }
  95         }
  96       }
  97     }
  98   }
  99 }
 100
 101 //==================================================================================================
 102 void FeaturesPlugin_RemoveSubShapes::execute()
 103 {
 104   // Get base shape and sub-shapes list.
 105   AttributeSelectionPtr aShapeAttrSelection = selection(BASE_SHAPE_ID());
 106   AttributeSelectionListPtr aSubShapesAttrList = selectionList(SUBSHAPES_ID());
 107   if(!aShapeAttrSelection.get() || !aSubShapesAttrList.get()) {
 108     return;
 109   }
 110
 111   // Get base shape.
 112   GeomShapePtr aBaseShape = aShapeAttrSelection->value();
 113
 114   GeomShapePtr aResultShape;
 115   int aSubsNb = aSubShapesAttrList->size();
 116   if(aSubsNb > 1) {
 117     if(!aBaseShape.get()) {
 118       return;
 119     }
 120     aResultShape = aBaseShape->emptyCopied();
 121
 122     // Copy sub-shapes from list to new shape.
 123     for(int anIndex = 0; anIndex < aSubsNb; ++anIndex) {
 124       AttributeSelectionPtr anAttrSelectionInList = aSubShapesAttrList->value(anIndex);
 125       GeomShapePtr aShapeToAdd = anAttrSelectionInList->value();
 126       GeomAlgoAPI_ShapeBuilder::add(aResultShape, aShapeToAdd);
 127     }
 128   } else if(aSubsNb == 1) {
 129     AttributeSelectionPtr anAttrSelectionInList = aSubShapesAttrList->value(0);
 130     aResultShape = anAttrSelectionInList->value();
 131   }
 132
 133   GeomAlgoAPI_Copy aCopy(aResultShape);
 134   aResultShape = aCopy.shape();
 135
 136   // Store result.
 137   ResultBodyPtr aResultBody = document()->createBody(data());
 138   aResultBody->storeModified(aBaseShape, aResultShape, 1);
 139   aResultBody->loadAndOrientModifiedShapes(&aCopy,
 140                                            aBaseShape,
 141                                            GeomAPI_Shape::FACE,
 142                                            10000,
 143                                            "Modified_Face",
 144                                            *aCopy.mapOfSubShapes().get(),
 145                                            true);
 146   setResult(aResultBody);
 147 }