src/FeaturesPlugin/FeaturesPlugin_RemoveSubShapes.cpp

   1 // Copyright (C) 2014-2019  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
  90   if(theID == BASE_SHAPE_ID()) {
  91     aSubShapesToKeepAttrList->clear();
  92     aSubShapesToRemoveAttrList->clear();
  93
  94     if (!aBaseShape.get()) {
  95       return;
  96     }
  97
  98     std::list<GeomShapePtr> aSubShapes = GeomAlgoAPI_ShapeTools::getLowLevelSubShapes(aBaseShape);
  99     for (ListOfShape::const_iterator anIt = aSubShapes.cbegin(); anIt != aSubShapes.cend(); ++anIt)
 100     {
 101       GeomShapePtr aSubShape = *anIt;
 102       if(!isHasSubs) {
 103         aSubShapesToKeepAttrList->append(aContext, aSubShape);
 104       } else {
 105         std::list<ResultPtr> anAllSubs;
 106         ModelAPI_Tools::allSubs(aResultBody, anAllSubs);
 107         std::list<ResultPtr>::iterator aSubsIt = anAllSubs.begin();
 108         for(; aSubsIt != anAllSubs.end(); aSubsIt++) {
 109           ResultBodyPtr aSub = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aSubsIt);
 110           if (aSub && aSub->shape().get() && aSub->shape()->isSubShape(aSubShape)) {
 111             aSubShapesToKeepAttrList->append(aSub, aSubShape);
 112             break;
 113           }
 114         }
 115       }
 116     }
 117   }
 118   else if (theID == SUBSHAPES_TO_KEEP_ID())
 119   {
 120     aSubShapesToRemoveAttrList->clear();
 121
 122     if (!aBaseShape.get()) {
 123       return;
 124     }
 125
 126     int anIndex;
 127     const int aSubsToKeepNb = aSubShapesToKeepAttrList->size();
 128     std::list<GeomShapePtr> aSubShapes = GeomAlgoAPI_ShapeTools::getLowLevelSubShapes(aBaseShape);
 129     for (ListOfShape::const_iterator anIt = aSubShapes.cbegin(); anIt != aSubShapes.cend(); ++anIt)
 130     {
 131       GeomShapePtr aSubShape = *anIt;
 132       for(anIndex = 0; anIndex < aSubsToKeepNb; ++anIndex) {
 133         AttributeSelectionPtr anAttrSelectionInList = aSubShapesToKeepAttrList->value(anIndex);
 134         GeomShapePtr aSubShapeToKeep = anAttrSelectionInList->value();
 135         if (aSubShapeToKeep.get() && aSubShapeToKeep->isEqual(aSubShape)) {
 136           break;
 137         }
 138       }
 139
 140       if (anIndex == aSubsToKeepNb) {
 141         if(!isHasSubs) {
 142           aSubShapesToRemoveAttrList->append(aContext, aSubShape);
 143         } else {
 144           std::list<ResultPtr> anAllSubs;
 145           ModelAPI_Tools::allSubs(aResultBody, anAllSubs);
 146           std::list<ResultPtr>::iterator aSubsIt = anAllSubs.begin();
 147           for(; aSubsIt != anAllSubs.end(); aSubsIt++) {
 148             ResultBodyPtr aSub = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aSubsIt);
 149             if (aSub && aSub->shape().get() && aSub->shape()->isSubShape(aSubShape)) {
 150               aSubShapesToRemoveAttrList->append(aSub, aSubShape);
 151               break;
 152             }
 153           }
 154         }
 155       }
 156     }
 157   }
 158   else if (theID == SUBSHAPES_TO_REMOVE_ID())
 159   {
 160     aSubShapesToKeepAttrList->clear();
 161
 162     if (!aBaseShape.get()) {
 163       return;
 164     }
 165
 166     int anIndex;
 167     const int aSubsToRemoveNb = aSubShapesToRemoveAttrList->size();
 168     std::list<GeomShapePtr> aSubShapes = GeomAlgoAPI_ShapeTools::getLowLevelSubShapes(aBaseShape);
 169     for (ListOfShape::const_iterator anIt = aSubShapes.cbegin(); anIt != aSubShapes.cend(); ++anIt)
 170     {
 171       GeomShapePtr aSubShape = *anIt;
 172       for(anIndex = 0; anIndex < aSubsToRemoveNb; ++anIndex) {
 173         AttributeSelectionPtr anAttrSelectionInList = aSubShapesToRemoveAttrList->value(anIndex);
 174         GeomShapePtr aSubShapeToRemove = anAttrSelectionInList->value();
 175         if (aSubShapeToRemove.get() && aSubShapeToRemove->isEqual(aSubShape)) {
 176           break;
 177         }
 178       }
 179
 180       if (anIndex == aSubsToRemoveNb) {
 181         if(!isHasSubs) {
 182           aSubShapesToKeepAttrList->append(aContext, aSubShape);
 183         } else {
 184           std::list<ResultPtr> anAllSubs;
 185           ModelAPI_Tools::allSubs(aResultBody, anAllSubs);
 186           std::list<ResultPtr>::iterator aSubsIt = anAllSubs.begin();
 187           for(; aSubsIt != anAllSubs.end(); aSubsIt++) {
 188             ResultBodyPtr aSub = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aSubsIt);
 189             if (aSub && aSub->shape().get() && aSub->shape()->isSubShape(aSubShape)) {
 190               aSubShapesToKeepAttrList->append(aSub, aSubShape);
 191               break;
 192             }
 193           }
 194         }
 195       }
 196     }
 197   }
 198
 199   myChangedInCode = false;
 200 }
 201
 202 //==================================================================================================
 203 void FeaturesPlugin_RemoveSubShapes::execute()
 204 {
 205   // Get base shape and sub-shapes list.
 206   AttributeSelectionPtr aShapeAttrSelection = selection(BASE_SHAPE_ID());
 207   AttributeSelectionListPtr aSubShapesAttrList = selectionList(SUBSHAPES_TO_KEEP_ID());
 208   if(!aShapeAttrSelection.get() || !aSubShapesAttrList.get()) {
 209     return;
 210   }
 211
 212   // Get base shape.
 213   GeomShapePtr aBaseShape = aShapeAttrSelection->value();
 214
 215   GeomShapePtr aResultShape;
 216   int aSubsNb = aSubShapesAttrList->size();
 217   if(aSubsNb > 1) {
 218     if(!aBaseShape.get()) {
 219       return;
 220     }
 221     aResultShape = aBaseShape->emptyCopied();
 222
 223     // Copy sub-shapes from list to new shape.
 224     for(int anIndex = 0; anIndex < aSubsNb; ++anIndex) {
 225       AttributeSelectionPtr anAttrSelectionInList = aSubShapesAttrList->value(anIndex);
 226       GeomShapePtr aShapeToAdd = anAttrSelectionInList->value();
 227       GeomAlgoAPI_ShapeBuilder::add(aResultShape, aShapeToAdd);
 228     }
 229   } else if(aSubsNb == 1) {
 230     AttributeSelectionPtr anAttrSelectionInList = aSubShapesAttrList->value(0);
 231     aResultShape = anAttrSelectionInList->value();
 232   }
 233   // deleted and copied must be jointed to one list which keeps all the history
 234   std::shared_ptr<GeomAlgoAPI_MakeShapeList> aMakeShapeList(new GeomAlgoAPI_MakeShapeList());
 235
 236   // find all removed shapes
 237   std::shared_ptr<GeomAlgoAPI_MakeShapeCustom> aDeletedSubs(new GeomAlgoAPI_MakeShapeCustom);
 238   std::set<GeomAPI_Shape::ShapeType> aTypes; // types that where removed
 239   aTypes.insert(GeomAPI_Shape::FACE);
 240
 241   std::list<GeomShapePtr> aSubShapes = GeomAlgoAPI_ShapeTools::getLowLevelSubShapes(aBaseShape);
 242   for (ListOfShape::const_iterator anIt = aSubShapes.cbegin(); anIt != aSubShapes.cend(); ++anIt) {
 243     GeomShapePtr aSubShape = *anIt;
 244     if (!aSubShape.get() || aSubShape->isNull())
 245       continue;
 246
 247     int anIndex;
 248     for(anIndex = 0; anIndex < aSubsNb; ++anIndex) {
 249       AttributeSelectionPtr anAttrSelectionInList = aSubShapesAttrList->value(anIndex);
 250       GeomShapePtr aLeftShape = anAttrSelectionInList->value();
 251       if (aSubShape->isEqual(aLeftShape)) {
 252         break; // found in a left-list
 253       }
 254     }
 255     if (anIndex == aSubsNb) { // not found in left
 256       aDeletedSubs->addDeleted(aSubShape);
 257       aTypes.insert(aSubShape->shapeType());
 258       if (aSubShape->shapeType() != GeomAPI_Shape::FACE) {
 259         GeomAPI_ShapeExplorer aFaces(aSubShape, GeomAPI_Shape::FACE);
 260         for(; aFaces.more(); aFaces.next())
 261           aDeletedSubs->addDeleted(aFaces.current());
 262       }
 263     }
 264   }
 265   aMakeShapeList->appendAlgo(aDeletedSubs);
 266
 267   std::shared_ptr<GeomAlgoAPI_Copy> aCopy(new GeomAlgoAPI_Copy(aResultShape));
 268   aResultShape = aCopy->shape();
 269   aMakeShapeList->appendAlgo(aCopy);
 270
 271   if (aResultShape->shapeType() == GeomAPI_Shape::COMPOUND) {
 272     aResultShape = GeomAlgoAPI_ShapeTools::groupSharedTopology(aResultShape);
 273     if (aResultShape->shapeType() == GeomAPI_Shape::COMPOUND) {
 274       // if the result has only one sub-shape, discard the compound
 275       GeomAPI_ShapeIterator aSubIt(aResultShape);
 276       GeomShapePtr aSub = aSubIt.current();
 277       aSubIt.next();
 278       if (!aSubIt.more())
 279         aResultShape = aSub;
 280     }
 281   }
 282
 283   // Store result.
 284   ResultBodyPtr aResultBody = document()->createBody(data());
 285   aResultBody->storeModified(aBaseShape, aResultShape);
 286   for (std::set<GeomAPI_Shape::ShapeType>::iterator aTypeIter = aTypes.begin();
 287        aTypeIter != aTypes.end();
 288        ++aTypeIter)
 289   {
 290     aResultBody->loadDeletedShapes(aMakeShapeList, aBaseShape, *aTypeIter);
 291   }
 292
 293   aResultBody->loadModifiedShapes(aMakeShapeList,
 294                                   aBaseShape,
 295                                   GeomAPI_Shape::FACE);
 296   aResultBody->loadModifiedShapes(aMakeShapeList,
 297                                   aBaseShape,
 298                                   GeomAPI_Shape::EDGE);
 299   aResultBody->loadModifiedShapes(aMakeShapeList,
 300                                   aBaseShape,
 301                                   GeomAPI_Shape::VERTEX);
 302   setResult(aResultBody);
 303 }