src/FeaturesPlugin/FeaturesPlugin_RemoveSubShapes.cpp

   1 // Copyright (C) 2014-2020  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 email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "FeaturesPlugin_RemoveSubShapes.h"
  21
  22 #include <ModelAPI_AttributeSelectionList.h>
  23 #include <ModelAPI_AttributeString.h>
  24 #include <ModelAPI_ResultBody.h>
  25 #include <ModelAPI_ResultConstruction.h>
  26 #include <ModelAPI_Session.h>
  27 #include <ModelAPI_Tools.h>
  28 #include <ModelAPI_Validator.h>
  29
  30 #include <GeomAPI_ShapeIterator.h>
  31 #include <GeomAPI_ShapeExplorer.h>
  32
  33 #include <GeomAlgoAPI_Copy.h>
  34 #include <GeomAlgoAPI_ShapeBuilder.h>
  35 #include <GeomAlgoAPI_ShapeTools.h>
  36 #include <GeomAlgoAPI_MakeShapeCustom.h>
  37
  38
  39 //==================================================================================================
  40 FeaturesPlugin_RemoveSubShapes::FeaturesPlugin_RemoveSubShapes()
  41 : myChangedInCode(false)
  42 {
  43 }
  44
  45 //==================================================================================================
  46 void FeaturesPlugin_RemoveSubShapes::initAttributes()
  47 {
  48   data()->addAttribute(BASE_SHAPE_ID(), ModelAPI_AttributeSelection::typeId());
  49
  50   data()->addAttribute(CREATION_METHOD(), ModelAPI_AttributeString::typeId());
  51
  52   data()->addAttribute(SUBSHAPES_TO_KEEP_ID(), ModelAPI_AttributeSelectionList::typeId());
  53
  54   data()->addAttribute(SUBSHAPES_TO_REMOVE_ID(), ModelAPI_AttributeSelectionList::typeId());
  55 }
  56
  57 void FeaturesPlugin_RemoveSubShapes::attributeChanged(const std::string& theID)
  58 {
  59   ModelAPI_Feature::attributeChanged(theID);
  60
  61   if (myChangedInCode) return;
  62
  63   AttributeSelectionPtr aShapeAttrSelection = selection(BASE_SHAPE_ID());
  64   AttributeSelectionListPtr aSubShapesToKeepAttrList = selectionList(SUBSHAPES_TO_KEEP_ID());
  65   AttributeSelectionListPtr aSubShapesToRemoveAttrList = selectionList(SUBSHAPES_TO_REMOVE_ID());
  66   if (!aShapeAttrSelection.get()
  67       || !aSubShapesToKeepAttrList.get()
  68       || !aSubShapesToRemoveAttrList.get())
  69   {
  70     return;
  71   }
  72
  73   ResultPtr aContext = aShapeAttrSelection->context();
  74   ResultBodyPtr aResultBody =
  75     std::dynamic_pointer_cast<ModelAPI_ResultBody>(aContext);
  76   if (!aResultBody.get()) {
  77     aSubShapesToKeepAttrList->clear();
  78     aSubShapesToRemoveAttrList->clear();
  79     return;
  80   }
  81   const bool isHasSubs = ModelAPI_Tools::hasSubResults(aResultBody);
  82
  83   GeomShapePtr aBaseShape = aShapeAttrSelection->value();
  84   if(!aBaseShape.get()) {
  85     aBaseShape = aContext->shape();
  86   }
  87
  88   myChangedInCode = true;
  89   if (theID == BASE_SHAPE_ID() || theID == SUBSHAPES_TO_KEEP_ID() ||
  90     theID == SUBSHAPES_TO_REMOVE_ID()) {
  91     std::list<ResultPtr> anAllSubs;
  92     ModelAPI_Tools::allSubs(aResultBody, anAllSubs);
  93
  94     if(theID == BASE_SHAPE_ID()) {
  95       aSubShapesToKeepAttrList->clear();
  96       aSubShapesToRemoveAttrList->clear();
  97
  98       if (!aBaseShape.get()) {
  99         return;
 100       }
 101
 102       std::list<GeomShapePtr> aSubShapes = GeomAlgoAPI_ShapeTools::getLowLevelSubShapes(aBaseShape);
 103       ListOfShape::const_iterator anIt = aSubShapes.cbegin();
 104       for (; anIt != aSubShapes.cend(); ++anIt)
 105       {
 106         GeomShapePtr aSubShape = *anIt;
 107         if(!isHasSubs) {
 108           aSubShapesToKeepAttrList->append(aContext, aSubShape);
 109         } else {
 110           std::list<ResultPtr>::iterator aSubsIt = anAllSubs.begin();
 111           for(; aSubsIt != anAllSubs.end(); aSubsIt++) {
 112             ResultBodyPtr aSub = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aSubsIt);
 113             if (aSub && aSub->shape().get() && aSub->shape()->isSubShape(aSubShape)) {
 114               aSubShapesToKeepAttrList->append(aSub, aSubShape);
 115               break;
 116             }
 117           }
 118         }
 119       }
 120     }
 121     else if (theID == SUBSHAPES_TO_KEEP_ID())
 122     {
 123       aSubShapesToRemoveAttrList->clear();
 124
 125       if (!aBaseShape.get()) {
 126         return;
 127       }
 128
 129       int anIndex;
 130       // optimization: collect selection attribute values into a map
 131       const int aSubsToKeepNb = aSubShapesToKeepAttrList->size();
 132       GeomAPI_DataMapOfShapeShape aSubShapesToKeep;
 133       for(anIndex = 0; anIndex < aSubsToKeepNb; ++anIndex) {
 134         AttributeSelectionPtr anAttrSelectionInList = aSubShapesToKeepAttrList->value(anIndex);
 135         GeomShapePtr aSubShapeToKeep = anAttrSelectionInList->value();
 136         if (aSubShapeToKeep.get())
 137           aSubShapesToKeep.bind(aSubShapeToKeep, aSubShapeToKeep);
 138       }
 139
 140       std::list<GeomShapePtr> aSubShapes = GeomAlgoAPI_ShapeTools::getLowLevelSubShapes(aBaseShape);
 141       ListOfShape::const_iterator anIt = aSubShapes.cbegin();
 142       for (; anIt != aSubShapes.cend(); ++anIt)
 143       {
 144         GeomShapePtr aSubShape = *anIt;
 145         if (aSubShapesToKeep.isBound(aSubShape))
 146           continue;
 147
 148         if(!isHasSubs) {
 149           aSubShapesToRemoveAttrList->append(aContext, aSubShape);
 150         }
 151         else {
 152           std::list<ResultPtr>::iterator aSubsIt = anAllSubs.begin();
 153           for (; aSubsIt != anAllSubs.end(); aSubsIt++) {
 154             ResultBodyPtr aSub = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aSubsIt);
 155             if (aSub && aSub->shape().get() && aSub->shape()->isSubShape(aSubShape)) {
 156               aSubShapesToRemoveAttrList->append(aSub, aSubShape);
 157               break;
 158             }
 159           }
 160         }
 161       }
 162     }
 163     else if (theID == SUBSHAPES_TO_REMOVE_ID())
 164     {
 165       aSubShapesToKeepAttrList->clear();
 166
 167       if (!aBaseShape.get()) {
 168         return;
 169       }
 170
 171       int anIndex;
 172       const int aSubsToRemoveNb = aSubShapesToRemoveAttrList->size();
 173       GeomAPI_DataMapOfShapeShape aSubShapesToRemove;
 174       for(anIndex = 0; anIndex < aSubsToRemoveNb; ++anIndex) {
 175         AttributeSelectionPtr anAttrSelectionInList = aSubShapesToRemoveAttrList->value(anIndex);
 176         GeomShapePtr aSubShapeToRemove = anAttrSelectionInList->value();
 177         if (aSubShapeToRemove.get())
 178           aSubShapesToRemove.bind(aSubShapeToRemove, aSubShapeToRemove);
 179       }
 180
 181
 182       std::list<GeomShapePtr> aSubShapes = GeomAlgoAPI_ShapeTools::getLowLevelSubShapes(aBaseShape);
 183       ListOfShape::const_iterator anIt = aSubShapes.cbegin();
 184       for (; anIt != aSubShapes.cend(); ++anIt)
 185       {
 186         GeomShapePtr aSubShape = *anIt;
 187         if (aSubShapesToRemove.isBound(aSubShape))
 188           continue;
 189
 190         if (!isHasSubs) {
 191           aSubShapesToKeepAttrList->append(aContext, aSubShape);
 192         }
 193         else {
 194           std::list<ResultPtr>::iterator aSubsIt = anAllSubs.begin();
 195           for (; aSubsIt != anAllSubs.end(); aSubsIt++) {
 196             ResultBodyPtr aSub = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aSubsIt);
 197             if (aSub && aSub->shape().get() && aSub->shape()->isSubShape(aSubShape)) {
 198               aSubShapesToKeepAttrList->append(aSub, aSubShape);
 199               break;
 200             }
 201           }
 202         }
 203       }
 204     }
 205   }
 206
 207   myChangedInCode = false;
 208 }
 209
 210 //==================================================================================================
 211 void FeaturesPlugin_RemoveSubShapes::execute()
 212 {
 213   // Get base shape and sub-shapes list.
 214   AttributeSelectionPtr aShapeAttrSelection = selection(BASE_SHAPE_ID());
 215   AttributeSelectionListPtr aSubShapesAttrList = selectionList(SUBSHAPES_TO_KEEP_ID());
 216   if(!aShapeAttrSelection.get() || !aSubShapesAttrList.get()) {
 217     return;
 218   }
 219
 220   // Get base shape.
 221   GeomShapePtr aBaseShape = aShapeAttrSelection->value();
 222
 223   GeomShapePtr aResultShape;
 224   int aSubsNb = aSubShapesAttrList->size();
 225   if(aSubsNb > 1) {
 226     if(!aBaseShape.get()) {
 227       return;
 228     }
 229     aResultShape = aBaseShape->emptyCopied();
 230
 231     // Copy sub-shapes from list to new shape.
 232     for(int anIndex = 0; anIndex < aSubsNb; ++anIndex) {
 233       AttributeSelectionPtr anAttrSelectionInList = aSubShapesAttrList->value(anIndex);
 234       GeomShapePtr aShapeToAdd = anAttrSelectionInList->value();
 235       GeomAlgoAPI_ShapeBuilder::add(aResultShape, aShapeToAdd);
 236     }
 237   } else if(aSubsNb == 1) {
 238     AttributeSelectionPtr anAttrSelectionInList = aSubShapesAttrList->value(0);
 239     aResultShape = anAttrSelectionInList->value();
 240   }
 241   // deleted and copied must be jointed to one list which keeps all the history
 242   std::shared_ptr<GeomAlgoAPI_MakeShapeList> aMakeShapeList(new GeomAlgoAPI_MakeShapeList());
 243
 244   // find all removed shapes
 245   std::shared_ptr<GeomAlgoAPI_MakeShapeCustom> aDeletedSubs(new GeomAlgoAPI_MakeShapeCustom);
 246   std::set<GeomAPI_Shape::ShapeType> aTypes; // types that where removed
 247   aTypes.insert(GeomAPI_Shape::FACE);
 248
 249   std::list<GeomShapePtr> aSubShapes = GeomAlgoAPI_ShapeTools::getLowLevelSubShapes(aBaseShape);
 250   for (ListOfShape::const_iterator anIt = aSubShapes.cbegin(); anIt != aSubShapes.cend(); ++anIt) {
 251     GeomShapePtr aSubShape = *anIt;
 252     if (!aSubShape.get() || aSubShape->isNull())
 253       continue;
 254
 255     int anIndex;
 256     for(anIndex = 0; anIndex < aSubsNb; ++anIndex) {
 257       AttributeSelectionPtr anAttrSelectionInList = aSubShapesAttrList->value(anIndex);
 258       GeomShapePtr aLeftShape = anAttrSelectionInList->value();
 259       if (aSubShape->isEqual(aLeftShape)) {
 260         break; // found in a left-list
 261       }
 262     }
 263     if (anIndex == aSubsNb) { // not found in left
 264       aDeletedSubs->addDeleted(aSubShape);
 265       aTypes.insert(aSubShape->shapeType());
 266       if (aSubShape->shapeType() != GeomAPI_Shape::FACE) {
 267         GeomAPI_ShapeExplorer aFaces(aSubShape, GeomAPI_Shape::FACE);
 268         for(; aFaces.more(); aFaces.next())
 269           aDeletedSubs->addDeleted(aFaces.current());
 270       }
 271     }
 272   }
 273   aMakeShapeList->appendAlgo(aDeletedSubs);
 274
 275   std::shared_ptr<GeomAlgoAPI_Copy> aCopy(new GeomAlgoAPI_Copy(aResultShape));
 276   aResultShape = aCopy->shape();
 277   aMakeShapeList->appendAlgo(aCopy);
 278
 279   if (aResultShape->shapeType() == GeomAPI_Shape::COMPOUND) {
 280     aResultShape = GeomAlgoAPI_ShapeTools::groupSharedTopology(aResultShape);
 281     if (aResultShape->shapeType() == GeomAPI_Shape::COMPOUND) {
 282       // if the result has only one sub-shape, discard the compound
 283       GeomAPI_ShapeIterator aSubIt(aResultShape);
 284       GeomShapePtr aSub = aSubIt.current();
 285       aSubIt.next();
 286       if (!aSubIt.more())
 287         aResultShape = aSub;
 288     }
 289   }
 290
 291   // Store result.
 292   ResultBodyPtr aResultBody = document()->createBody(data());
 293   aResultBody->storeModified(aBaseShape, aResultShape);
 294   for (std::set<GeomAPI_Shape::ShapeType>::iterator aTypeIter = aTypes.begin();
 295        aTypeIter != aTypes.end();
 296        ++aTypeIter)
 297   {
 298     aResultBody->loadDeletedShapes(aMakeShapeList, aBaseShape, *aTypeIter);
 299   }
 300
 301   aResultBody->loadModifiedShapes(aMakeShapeList,
 302                                   aBaseShape,
 303                                   GeomAPI_Shape::FACE);
 304   aResultBody->loadModifiedShapes(aMakeShapeList,
 305                                   aBaseShape,
 306                                   GeomAPI_Shape::EDGE);
 307   aResultBody->loadModifiedShapes(aMakeShapeList,
 308                                   aBaseShape,
 309                                   GeomAPI_Shape::VERTEX);
 310   setResult(aResultBody);
 311 }