src/SketchPlugin/SketchPlugin_ConstraintMirror.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2
   3 // File:    SketchPlugin_ConstraintMirror.cpp
   4 // Created: 17 Mar 2015
   5 // Author:  Artem ZHIDKOV
   6
   7 #include "SketchPlugin_ConstraintMirror.h"
   8
   9 #include <ModelAPI_AttributeDouble.h>
  10 #include <ModelAPI_Data.h>
  11 #include <ModelAPI_ResultConstruction.h>
  12 #include <ModelAPI_AttributeRefList.h>
  13 #include <ModelAPI_Events.h>
  14 #include <ModelAPI_Session.h>
  15 #include <ModelAPI_Validator.h>
  16
  17 #include <SketchPlugin_Line.h>
  18 #include <SketchPlugin_Sketch.h>
  19
  20 #include <SketcherPrs_Factory.h>
  21
  22 #include <Config_PropManager.h>
  23
  24 SketchPlugin_ConstraintMirror::SketchPlugin_ConstraintMirror()
  25 {
  26 }
  27
  28 void SketchPlugin_ConstraintMirror::initAttributes()
  29 {
  30   data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId());
  31   data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefList::typeId());
  32   data()->addAttribute(SketchPlugin_Constraint::ENTITY_C(), ModelAPI_AttributeRefList::typeId());
  33   data()->addAttribute(SketchPlugin_ConstraintMirror::MIRROR_LIST_ID(), ModelAPI_AttributeRefList::typeId());
  34   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), SketchPlugin_Constraint::ENTITY_B());
  35   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), SketchPlugin_Constraint::ENTITY_C());
  36 }
  37
  38 void SketchPlugin_ConstraintMirror::execute()
  39 {
  40   AttributeRefListPtr aMirrorObjectRefs = reflist(SketchPlugin_ConstraintMirror::MIRROR_LIST_ID());
  41
  42   // Wait all objects being created, then send update events
  43   static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
  44   bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
  45   if (isUpdateFlushed)
  46     Events_Loop::loop()->setFlushed(anUpdateEvent, false);
  47
  48   std::shared_ptr<ModelAPI_Data> aData = data();
  49   AttributeRefListPtr aRefListOfShapes = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
  50       aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
  51   AttributeRefListPtr aRefListOfMirrored = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
  52       aData->attribute(SketchPlugin_Constraint::ENTITY_C()));
  53   std::list<ObjectPtr> anInitialList =  aRefListOfShapes->list();
  54   std::list<ObjectPtr> aMirroredList =  aRefListOfMirrored->list();
  55   std::vector<bool> isUsed(anInitialList.size(), false);
  56   // add new items to the list
  57   for(int anInd = 0; anInd < aMirrorObjectRefs->size(); anInd++) {
  58     ObjectPtr anObject = aMirrorObjectRefs->object(anInd);
  59     std::list<ObjectPtr>::const_iterator anIt = anInitialList.begin();
  60     std::vector<bool>::iterator aUsedIt = isUsed.begin();
  61     for (; anIt != anInitialList.end(); anIt++, aUsedIt++)
  62       if (*anIt == anObject) {
  63         *aUsedIt = true;
  64         break;
  65       }
  66     if (anIt == anInitialList.end())
  67       aRefListOfShapes->append(anObject);
  68   }
  69   // remove unused items
  70   std::list<ObjectPtr>::iterator anInitIter = anInitialList.begin();
  71   std::list<ObjectPtr>::iterator aMirrorIter = aMirroredList.begin();
  72   std::vector<bool>::iterator aUsedIter = isUsed.begin();
  73   for (; aUsedIter != isUsed.end(); aUsedIter++) {
  74     if (!(*aUsedIter)) {
  75       aRefListOfShapes->remove(*anInitIter);
  76       if (aMirrorIter != aMirroredList.end()) {
  77         aRefListOfMirrored->remove(*aMirrorIter);
  78         // remove the corresponding feature from the sketch
  79         ResultConstructionPtr aRC =
  80             std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aMirrorIter);
  81         DocumentPtr aDoc = aRC ? aRC->document() : DocumentPtr();
  82         FeaturePtr aFeature =  aDoc ? aDoc->feature(aRC) : FeaturePtr();
  83         if (aFeature)
  84           aDoc->removeFeature(aFeature);
  85       }
  86     }
  87     if (anInitIter != anInitialList.end())
  88       anInitIter++;
  89     if (aMirrorIter != aMirroredList.end())
  90       aMirrorIter++;
  91   }
  92
  93   static Events_ID aRedisplayEvent = Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY);
  94
  95   // Check consistency of initial list and mirrored list
  96   anInitialList =  aRefListOfShapes->list();
  97   anInitIter = anInitialList.begin();
  98   aMirrorIter = aMirroredList.begin();
  99   int indFirstWrong = 0; // index of element starts difference in the lists
 100   std::set<int> anInvalidInd; // list of indices of removed features
 101   std::shared_ptr<SketchPlugin_Feature> aFeatureIn, aFeatureOut;
 102   for ( ; anInitIter != anInitialList.end(); anInitIter++, indFirstWrong++) {
 103     // Add features and store indices of objects to remove
 104     aFeatureIn = std::dynamic_pointer_cast<SketchPlugin_Feature>(*anInitIter);
 105     ResultConstructionPtr aRCIn;
 106     if (!aFeatureIn) {
 107       aRCIn = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*anInitIter);
 108       if (aRCIn)
 109         aFeatureIn = std::dynamic_pointer_cast<SketchPlugin_Feature>(
 110             aRCIn->document()->feature(aRCIn));
 111     }
 112     if (aMirrorIter == aMirroredList.end())
 113       aFeatureOut = std::shared_ptr<SketchPlugin_Feature>();
 114     else {
 115       aFeatureOut = std::dynamic_pointer_cast<SketchPlugin_Feature>(*aMirrorIter);
 116       if (!aFeatureOut) {
 117         ResultConstructionPtr aRC =
 118             std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*anInitIter);
 119         if (aRC)
 120           aFeatureOut = std::dynamic_pointer_cast<SketchPlugin_Feature>(
 121               aRC->document()->feature(aRC));
 122       }
 123     }
 124     if (!aFeatureIn) {
 125       if (aFeatureOut)
 126         break; // the lists are inconsistent
 127       continue;
 128     }
 129     if (!aFeatureOut) {
 130       if (aMirrorIter != aMirroredList.end())
 131         break; // the lists are inconsistent
 132       // There is no mirrored object yet, create it
 133       FeaturePtr aNewFeature = SketchPlugin_Sketch::addUniqueNamedCopiedFeature(aFeatureIn, sketch(), true);
 134       aNewFeature->execute();
 135       ModelAPI_EventCreator::get()->sendUpdated(aNewFeature, aRedisplayEvent);
 136
 137       std::shared_ptr<GeomAPI_Shape> aShapeIn = aRCIn->shape();
 138       const std::list<ResultPtr>& aResults = aNewFeature->results();
 139       std::list<ResultPtr>::const_iterator anIt = aResults.begin();
 140       for (; anIt != aResults.end(); anIt++) {
 141         ResultConstructionPtr aRC = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*anIt);
 142         if (!aRC) continue;
 143         std::shared_ptr<GeomAPI_Shape> aShapeOut = aRC->shape();
 144         if ((aShapeIn->isVertex() && aShapeOut->isVertex()) ||
 145             (aShapeIn->isEdge() && aShapeOut->isEdge()) ||
 146             (aShapeIn->isFace() && aShapeOut->isFace()))
 147           aRefListOfMirrored->append(aRC);
 148       }
 149       continue;
 150     }
 151     if (aFeatureIn->getKind() != aFeatureOut->getKind())
 152       break; // the lists are inconsistent
 153     if (!aFeatureIn->data()->isValid()) {
 154       // initial feature was removed, delete it from lists
 155       anInvalidInd.insert(indFirstWrong);
 156     }
 157     aMirrorIter++;
 158   }
 159   // Remove from the list objects already deleted before
 160   std::set<int>::reverse_iterator anIt = anInvalidInd.rbegin();
 161   for ( ; anIt != anInvalidInd.rend(); anIt++) {
 162     if (*anIt < indFirstWrong) indFirstWrong--;
 163     aRefListOfShapes->remove(aRefListOfShapes->object(*anIt));
 164     aRefListOfMirrored->remove(aRefListOfMirrored->object(*anIt));
 165   }
 166   // If the lists inconsistent, remove all objects from mirrored list starting from indFirstWrong
 167   if (anInitIter != anInitialList.end()) {
 168     while (aRefListOfMirrored->size() > indFirstWrong)
 169       aRefListOfMirrored->remove(aRefListOfMirrored->object(indFirstWrong));
 170     // Create mirrored features instead of removed
 171     anInitialList =  aRefListOfShapes->list();
 172     anInitIter = anInitialList.begin();
 173     for (int i = 0; i < indFirstWrong; i++) anInitIter++;
 174     for ( ; anInitIter != anInitialList.end(); anInitIter++) {
 175       aFeatureIn = std::dynamic_pointer_cast<SketchPlugin_Feature>(*anInitIter);
 176       FeaturePtr aNewFeature = aFeatureIn->document()->addFeature(aFeatureIn->getKind());
 177       aRefListOfMirrored->append(aNewFeature);
 178     }
 179   }
 180
 181   // send events to update the sub-features by the solver
 182   if (isUpdateFlushed)
 183     Events_Loop::loop()->setFlushed(anUpdateEvent, true);
 184 }
 185
 186 AISObjectPtr SketchPlugin_ConstraintMirror::getAISObject(AISObjectPtr thePrevious)
 187 {
 188   if (!sketch())
 189     return thePrevious;
 190
 191   AISObjectPtr anAIS = thePrevious;
 192   if (!anAIS) {
 193     anAIS = SketcherPrs_Factory::mirrorConstraint(this, sketch()->coordinatePlane());
 194   }
 195   return anAIS;
 196 }
 197
 198
 199 void SketchPlugin_ConstraintMirror::attributeChanged(const std::string& theID)
 200 {
 201   if (theID == MIRROR_LIST_ID()) {
 202     AttributeRefListPtr aMirrorObjectRefs = reflist(MIRROR_LIST_ID());
 203     if (aMirrorObjectRefs->size() == 0) {
 204       // Clear list of objects
 205       AttributeRefListPtr aRefListOfMirrored = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
 206           data()->attribute(SketchPlugin_Constraint::ENTITY_C()));
 207       std::list<ObjectPtr> aTargetList = aRefListOfMirrored->list();
 208       std::list<ObjectPtr>::iterator aTargetIter = aTargetList.begin();
 209       for (; aTargetIter != aTargetList.end(); aTargetIter++) {
 210         aRefListOfMirrored->remove(*aTargetIter);
 211         // remove the corresponding feature from the sketch
 212         ResultConstructionPtr aRC =
 213             std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aTargetIter);
 214         DocumentPtr aDoc = aRC ? aRC->document() : DocumentPtr();
 215         FeaturePtr aFeature =  aDoc ? aDoc->feature(aRC) : FeaturePtr();
 216         if (aFeature)
 217           aDoc->removeFeature(aFeature);
 218       }
 219       aRefListOfMirrored->clear();
 220       std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
 221         data()->attribute(SketchPlugin_Constraint::ENTITY_B()))->clear();
 222     }
 223   }
 224 }
 225