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