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_AttributeString.h>
  25 #include <ModelAPI_ResultBody.h>
  26 #include <ModelAPI_ResultConstruction.h>
  27 #include <ModelAPI_Session.h>
  28 #include <ModelAPI_Tools.h>
  29 #include <ModelAPI_Validator.h>
  30
  31 #include <GeomAPI_ShapeIterator.h>
  32 #include <GeomAPI_ShapeExplorer.h>
  33
  34 #include <GeomAlgoAPI_Copy.h>
  35 #include <GeomAlgoAPI_ShapeBuilder.h>
  36 #include <GeomAlgoAPI_ShapeTools.h>
  37 #include <GeomAlgoAPI_MakeShapeCustom.h>
  38
  39
  40 //==================================================================================================
  41 FeaturesPlugin_RemoveSubShapes::FeaturesPlugin_RemoveSubShapes()
  42 : myChangedInCode(false)
  43 {
  44 }
  45
  46 //==================================================================================================
  47 void FeaturesPlugin_RemoveSubShapes::initAttributes()
  48 {
  49   data()->addAttribute(BASE_SHAPE_ID(), ModelAPI_AttributeSelection::typeId());
  50
  51   data()->addAttribute(CREATION_METHOD(), ModelAPI_AttributeString::typeId());
  52
  53   data()->addAttribute(SUBSHAPES_TO_KEEP_ID(), ModelAPI_AttributeSelectionList::typeId());
  54
  55   data()->addAttribute(SUBSHAPES_TO_REMOVE_ID(), ModelAPI_AttributeSelectionList::typeId());
  56 }
  57
  58 void FeaturesPlugin_RemoveSubShapes::attributeChanged(const std::string& theID)
  59 {
  60   ModelAPI_Feature::attributeChanged(theID);
  61
  62   if (myChangedInCode) return;
  63
  64   AttributeSelectionPtr aShapeAttrSelection = selection(BASE_SHAPE_ID());
  65   AttributeSelectionListPtr aSubShapesToKeepAttrList = selectionList(SUBSHAPES_TO_KEEP_ID());
  66   AttributeSelectionListPtr aSubShapesToRemoveAttrList = selectionList(SUBSHAPES_TO_REMOVE_ID());
  67   if (!aShapeAttrSelection.get()
  68       || !aSubShapesToKeepAttrList.get()
  69       || !aSubShapesToRemoveAttrList.get())
  70   {
  71     return;
  72   }
  73
  74   ResultPtr aContext = aShapeAttrSelection->context();
  75   ResultBodyPtr aResultBody =
  76     std::dynamic_pointer_cast<ModelAPI_ResultBody>(aContext);
  77   if (!aResultBody.get()) {
  78     aSubShapesToKeepAttrList->clear();
  79     aSubShapesToRemoveAttrList->clear();
  80     return;
  81   }
  82   const bool isHasSubs = ModelAPI_Tools::hasSubResults(aResultBody);
  83
  84   GeomShapePtr aBaseShape = aShapeAttrSelection->value();
  85   if(!aBaseShape.get()) {
  86     aBaseShape = aContext->shape();
  87   }
  88
  89   myChangedInCode = true;
  90
  91   if(theID == BASE_SHAPE_ID()) {
  92     aSubShapesToKeepAttrList->clear();
  93     aSubShapesToRemoveAttrList->clear();
  94
  95     if (!aBaseShape.get()) {
  96       return;
  97     }
  98
  99     std::list<GeomShapePtr> aSubShapes = GeomAlgoAPI_ShapeTools::getLowLevelSubShapes(aBaseShape);
 100     for (ListOfShape::const_iterator anIt = aSubShapes.cbegin(); anIt != aSubShapes.cend(); ++anIt)
 101     {
 102       GeomShapePtr aSubShape = *anIt;
 103       if(!isHasSubs) {
 104         aSubShapesToKeepAttrList->append(aContext, aSubShape);
 105       } else {
 106         std::list<ResultPtr> anAllSubs;
 107         ModelAPI_Tools::allSubs(aResultBody, anAllSubs);
 108         std::list<ResultPtr>::iterator aSubsIt = anAllSubs.begin();
 109         for(; aSubsIt != anAllSubs.end(); aSubsIt++) {
 110           ResultBodyPtr aSub = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aSubsIt);
 111           if (aSub && aSub->shape().get() && aSub->shape()->isSubShape(aSubShape)) {
 112             aSubShapesToKeepAttrList->append(aSub, aSubShape);
 113             break;
 114           }
 115         }
 116       }
 117     }
 118   }
 119   else if (theID == SUBSHAPES_TO_KEEP_ID())
 120   {
 121     aSubShapesToRemoveAttrList->clear();
 122
 123     if (!aBaseShape.get()) {
 124       return;
 125     }
 126
 127     int anIndex;
 128     const int aSubsToKeepNb = aSubShapesToKeepAttrList->size();
 129     std::list<GeomShapePtr> aSubShapes = GeomAlgoAPI_ShapeTools::getLowLevelSubShapes(aBaseShape);
 130     for (ListOfShape::const_iterator anIt = aSubShapes.cbegin(); anIt != aSubShapes.cend(); ++anIt)
 131     {
 132       GeomShapePtr aSubShape = *anIt;
 133       for(anIndex = 0; anIndex < aSubsToKeepNb; ++anIndex) {
 134         AttributeSelectionPtr anAttrSelectionInList = aSubShapesToKeepAttrList->value(anIndex);
 135         GeomShapePtr aSubShapeToKeep = anAttrSelectionInList->value();
 136         if (aSubShapeToKeep.get() && aSubShapeToKeep->isEqual(aSubShape)) {
 137           break;
 138         }
 139       }
 140
 141       if (anIndex == aSubsToKeepNb) {
 142         if(!isHasSubs) {
 143           aSubShapesToRemoveAttrList->append(aContext, aSubShape);
 144         } else {
 145           std::list<ResultPtr> anAllSubs;
 146           ModelAPI_Tools::allSubs(aResultBody, anAllSubs);
 147           std::list<ResultPtr>::iterator aSubsIt = anAllSubs.begin();
 148           for(; aSubsIt != anAllSubs.end(); aSubsIt++) {
 149             ResultBodyPtr aSub = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aSubsIt);
 150             if (aSub && aSub->shape().get() && aSub->shape()->isSubShape(aSubShape)) {
 151               aSubShapesToRemoveAttrList->append(aSub, aSubShape);
 152               break;
 153             }
 154           }
 155         }
 156       }
 157     }
 158   }
 159   else if (theID == SUBSHAPES_TO_REMOVE_ID())
 160   {
 161     aSubShapesToKeepAttrList->clear();
 162
 163     if (!aBaseShape.get()) {
 164       return;
 165     }
 166
 167     int anIndex;
 168     const int aSubsToRemoveNb = aSubShapesToRemoveAttrList->size();
 169     std::list<GeomShapePtr> aSubShapes = GeomAlgoAPI_ShapeTools::getLowLevelSubShapes(aBaseShape);
 170     for (ListOfShape::const_iterator anIt = aSubShapes.cbegin(); anIt != aSubShapes.cend(); ++anIt)
 171     {
 172       GeomShapePtr aSubShape = *anIt;
 173       for(anIndex = 0; anIndex < aSubsToRemoveNb; ++anIndex) {
 174         AttributeSelectionPtr anAttrSelectionInList = aSubShapesToRemoveAttrList->value(anIndex);
 175         GeomShapePtr aSubShapeToRemove = anAttrSelectionInList->value();
 176         if (aSubShapeToRemove.get() && aSubShapeToRemove->isEqual(aSubShape)) {
 177           break;
 178         }
 179       }
 180
 181       if (anIndex == aSubsToRemoveNb) {
 182         if(!isHasSubs) {
 183           aSubShapesToKeepAttrList->append(aContext, aSubShape);
 184         } else {
 185           std::list<ResultPtr> anAllSubs;
 186           ModelAPI_Tools::allSubs(aResultBody, anAllSubs);
 187           std::list<ResultPtr>::iterator aSubsIt = anAllSubs.begin();
 188           for(; aSubsIt != anAllSubs.end(); aSubsIt++) {
 189             ResultBodyPtr aSub = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aSubsIt);
 190             if (aSub && aSub->shape().get() && aSub->shape()->isSubShape(aSubShape)) {
 191               aSubShapesToKeepAttrList->append(aSub, aSubShape);
 192               break;
 193             }
 194           }
 195         }
 196       }
 197     }
 198   }
 199
 200   myChangedInCode = false;
 201 }
 202
 203 //==================================================================================================
 204 void FeaturesPlugin_RemoveSubShapes::execute()
 205 {
 206   // Get base shape and sub-shapes list.
 207   AttributeSelectionPtr aShapeAttrSelection = selection(BASE_SHAPE_ID());
 208   AttributeSelectionListPtr aSubShapesAttrList = selectionList(SUBSHAPES_TO_KEEP_ID());
 209   if(!aShapeAttrSelection.get() || !aSubShapesAttrList.get()) {
 210     return;
 211   }
 212
 213   // Get base shape.
 214   GeomShapePtr aBaseShape = aShapeAttrSelection->value();
 215
 216   GeomShapePtr aResultShape;
 217   int aSubsNb = aSubShapesAttrList->size();
 218   if(aSubsNb > 1) {
 219     if(!aBaseShape.get()) {
 220       return;
 221     }
 222     aResultShape = aBaseShape->emptyCopied();
 223
 224     // Copy sub-shapes from list to new shape.
 225     for(int anIndex = 0; anIndex < aSubsNb; ++anIndex) {
 226       AttributeSelectionPtr anAttrSelectionInList = aSubShapesAttrList->value(anIndex);
 227       GeomShapePtr aShapeToAdd = anAttrSelectionInList->value();
 228       GeomAlgoAPI_ShapeBuilder::add(aResultShape, aShapeToAdd);
 229     }
 230   } else if(aSubsNb == 1) {
 231     AttributeSelectionPtr anAttrSelectionInList = aSubShapesAttrList->value(0);
 232     aResultShape = anAttrSelectionInList->value();
 233   }
 234   // deleted and copied must be jointed to one list which keeps all the history
 235   GeomAlgoAPI_MakeShapeList aMakeShapeList;
 236
 237   // find all removed shapes
 238   std::shared_ptr<GeomAlgoAPI_MakeShapeCustom> aDeletedSubs(new GeomAlgoAPI_MakeShapeCustom);
 239   std::set<GeomAPI_Shape::ShapeType> aTypes; // types that where removed
 240   aTypes.insert(GeomAPI_Shape::FACE);
 241
 242   std::list<GeomShapePtr> aSubShapes = GeomAlgoAPI_ShapeTools::getLowLevelSubShapes(aBaseShape);
 243   for (ListOfShape::const_iterator anIt = aSubShapes.cbegin(); anIt != aSubShapes.cend(); ++anIt) {
 244     GeomShapePtr aSubShape = *anIt;
 245     if (!aSubShape.get() || aSubShape->isNull())
 246       continue;
 247
 248     int anIndex;
 249     for(anIndex = 0; anIndex < aSubsNb; ++anIndex) {
 250       AttributeSelectionPtr anAttrSelectionInList = aSubShapesAttrList->value(anIndex);
 251       GeomShapePtr aLeftShape = anAttrSelectionInList->value();
 252       if (aSubShape->isEqual(aLeftShape)) {
 253         break; // found in a left-list
 254       }
 255     }
 256     if (anIndex == aSubsNb) { // not found in left
 257       aDeletedSubs->addDeleted(aSubShape);
 258       aTypes.insert(aSubShape->shapeType());
 259       if (aSubShape->shapeType() != GeomAPI_Shape::FACE) {
 260         GeomAPI_ShapeExplorer aFaces(aSubShape, GeomAPI_Shape::FACE);
 261         for(; aFaces.more(); aFaces.next())
 262           aDeletedSubs->addDeleted(aFaces.current());
 263       }
 264     }
 265   }
 266   aMakeShapeList.appendAlgo(aDeletedSubs);
 267
 268   std::shared_ptr<GeomAlgoAPI_Copy> aCopy(new GeomAlgoAPI_Copy(aResultShape));
 269   aResultShape = aCopy->shape();
 270   aMakeShapeList.appendAlgo(aCopy);
 271
 272   if (aResultShape->shapeType() == GeomAPI_Shape::COMPOUND) {
 273     aResultShape = GeomAlgoAPI_ShapeTools::groupSharedTopology(aResultShape);
 274     if (aResultShape->shapeType() == GeomAPI_Shape::COMPOUND) {
 275       // if the result has only one sub-shape, discard the compound
 276       GeomAPI_ShapeIterator aSubIt(aResultShape);
 277       GeomShapePtr aSub = aSubIt.current();
 278       aSubIt.next();
 279       if (!aSubIt.more())
 280         aResultShape = aSub;
 281     }
 282   }
 283
 284   // Store result.
 285   ResultBodyPtr aResultBody = document()->createBody(data());
 286   aResultBody->storeModified(aBaseShape, aResultShape, 1);
 287   std::set<GeomAPI_Shape::ShapeType>::iterator aTypeIter = aTypes.begin();
 288   for(; aTypeIter != aTypes.end(); aTypeIter++)
 289     aResultBody->loadDeletedShapes(&aMakeShapeList, aBaseShape, *aTypeIter, 1);
 290   aResultBody->loadAndOrientModifiedShapes(&aMakeShapeList, aBaseShape, GeomAPI_Shape::FACE,
 291       2, "Modified_Face", *aMakeShapeList.mapOfSubShapes().get(), true, false, true);
 292   aResultBody->loadAndOrientModifiedShapes(&aMakeShapeList, aBaseShape, GeomAPI_Shape::EDGE,
 293       3, "Modified_Edge", *aMakeShapeList.mapOfSubShapes().get(), false, false, true);
 294   aResultBody->loadAndOrientModifiedShapes(&aMakeShapeList, aBaseShape, GeomAPI_Shape::VERTEX,
 295       4, "Modified_Vertex", *aMakeShapeList.mapOfSubShapes().get());
 296   setResult(aResultBody);
 297 }