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 #include <ModelAPI_Tools.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   data()->addAttribute(SketchPlugin_ConstraintMirror::MIRROR_LIST_ID(),
  35                        ModelAPI_AttributeRefList::typeId());
  36   ModelAPI_Session::get()->validators()->
  37     registerNotObligatory(getKind(), SketchPlugin_Constraint::ENTITY_B());
  38   ModelAPI_Session::get()->validators()->
  39     registerNotObligatory(getKind(), SketchPlugin_Constraint::ENTITY_C());
  40 }
  41
  42 void SketchPlugin_ConstraintMirror::execute()
  43 {
  44   AttributeRefListPtr aMirrorObjectRefs = reflist(SketchPlugin_ConstraintMirror::MIRROR_LIST_ID());
  45
  46   // Wait all objects being created, then send update events
  47   static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
  48   bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
  49   if (isUpdateFlushed)
  50     Events_Loop::loop()->setFlushed(anUpdateEvent, false);
  51
  52   std::shared_ptr<ModelAPI_Data> aData = data();
  53   AttributeRefListPtr aRefListOfShapes = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
  54       aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
  55   AttributeRefListPtr aRefListOfMirrored = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
  56       aData->attribute(SketchPlugin_Constraint::ENTITY_C()));
  57   std::list<ObjectPtr> anInitialList =  aRefListOfShapes->list();
  58   std::list<ObjectPtr> aMirroredList =  aRefListOfMirrored->list();
  59   std::vector<bool> isUsed(anInitialList.size(), false);
  60   // add new items to the list
  61   for(int anInd = 0; anInd < aMirrorObjectRefs->size(); anInd++) {
  62     ObjectPtr anObject = aMirrorObjectRefs->object(anInd);
  63     std::list<ObjectPtr>::const_iterator anIt = anInitialList.begin();
  64     std::vector<bool>::iterator aUsedIt = isUsed.begin();
  65     for (; anIt != anInitialList.end(); anIt++, aUsedIt++)
  66       if (*anIt == anObject) {
  67         *aUsedIt = true;
  68         break;
  69       }
  70     if (anIt == anInitialList.end())
  71       aRefListOfShapes->append(anObject);
  72   }
  73   // remove unused items
  74   std::list<ObjectPtr>::iterator anInitIter = anInitialList.begin();
  75   std::list<ObjectPtr>::iterator aMirrorIter = aMirroredList.begin();
  76   std::vector<bool>::iterator aUsedIter = isUsed.begin();
  77   std::set<FeaturePtr> aFeaturesToBeRemoved;
  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           aFeaturesToBeRemoved.insert(aFeature);
  90       }
  91     }
  92     if (anInitIter != anInitialList.end())
  93       anInitIter++;
  94     if (aMirrorIter != aMirroredList.end())
  95       aMirrorIter++;
  96   }
  97   ModelAPI_Tools::removeFeaturesAndReferences(aFeaturesToBeRemoved);
  98
  99   static Events_ID aRedisplayEvent = Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY);
 100
 101   // Check consistency of initial list and mirrored list
 102   anInitialList =  aRefListOfShapes->list();
 103   anInitIter = anInitialList.begin();
 104   aMirrorIter = aMirroredList.begin();
 105   int indFirstWrong = 0; // index of element starts difference in the lists
 106   std::set<int> anInvalidInd; // list of indices of removed features
 107   std::shared_ptr<SketchPlugin_Feature> aFeatureIn, aFeatureOut;
 108   for ( ; anInitIter != anInitialList.end(); anInitIter++, indFirstWrong++) {
 109     // Add features and store indices of objects to remove
 110     aFeatureIn = std::dynamic_pointer_cast<SketchPlugin_Feature>(*anInitIter);
 111     ResultConstructionPtr aRCIn;
 112     if (!aFeatureIn) {
 113       aRCIn = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*anInitIter);
 114       if (aRCIn)
 115         aFeatureIn = std::dynamic_pointer_cast<SketchPlugin_Feature>(
 116             aRCIn->document()->feature(aRCIn));
 117     }
 118     if (aMirrorIter == aMirroredList.end())
 119       aFeatureOut = std::shared_ptr<SketchPlugin_Feature>();
 120     else {
 121       aFeatureOut = std::dynamic_pointer_cast<SketchPlugin_Feature>(*aMirrorIter);
 122       if (!aFeatureOut) {
 123         ResultConstructionPtr aRC =
 124             std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*anInitIter);
 125         if (aRC)
 126           aFeatureOut = std::dynamic_pointer_cast<SketchPlugin_Feature>(
 127               aRC->document()->feature(aRC));
 128       }
 129     }
 130     if (!aFeatureIn) {
 131       if (aFeatureOut)
 132         break; // the lists are inconsistent
 133       continue;
 134     }
 135     if (!aFeatureOut) {
 136       if (aMirrorIter != aMirroredList.end())
 137         break; // the lists are inconsistent
 138       // There is no mirrored object yet, create it
 139       FeaturePtr aNewFeature =
 140         SketchPlugin_Sketch::addUniqueNamedCopiedFeature(aFeatureIn, sketch(), true);
 141       aNewFeature->execute();
 142       ModelAPI_EventCreator::get()->sendUpdated(aNewFeature, aRedisplayEvent);
 143
 144       std::shared_ptr<GeomAPI_Shape> aShapeIn = aRCIn->shape();
 145       const std::list<ResultPtr>& aResults = aNewFeature->results();
 146       std::list<ResultPtr>::const_iterator anIt = aResults.begin();
 147       for (; anIt != aResults.end(); anIt++) {
 148         ResultConstructionPtr aRC = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*anIt);
 149         if (!aRC) continue;
 150         std::shared_ptr<GeomAPI_Shape> aShapeOut = aRC->shape();
 151         if ((aShapeIn->isVertex() && aShapeOut->isVertex()) ||
 152             (aShapeIn->isEdge() && aShapeOut->isEdge()) ||
 153             (aShapeIn->isFace() && aShapeOut->isFace()))
 154           aRefListOfMirrored->append(aRC);
 155       }
 156       continue;
 157     }
 158     if (aFeatureIn->getKind() != aFeatureOut->getKind())
 159       break; // the lists are inconsistent
 160     if (!aFeatureIn->data()->isValid()) {
 161       // initial feature was removed, delete it from lists
 162       anInvalidInd.insert(indFirstWrong);
 163     }
 164     aMirrorIter++;
 165   }
 166   // Remove from the list objects already deleted before
 167   std::set<int>::reverse_iterator anIt = anInvalidInd.rbegin();
 168   for ( ; anIt != anInvalidInd.rend(); anIt++) {
 169     if (*anIt < indFirstWrong) indFirstWrong--;
 170     aRefListOfShapes->remove(aRefListOfShapes->object(*anIt));
 171     aRefListOfMirrored->remove(aRefListOfMirrored->object(*anIt));
 172   }
 173   // If the lists inconsistent, remove all objects from mirrored list starting from indFirstWrong
 174   if (anInitIter != anInitialList.end()) {
 175     while (aRefListOfMirrored->size() > indFirstWrong)
 176       aRefListOfMirrored->remove(aRefListOfMirrored->object(indFirstWrong));
 177     // Create mirrored features instead of removed
 178     anInitialList =  aRefListOfShapes->list();
 179     anInitIter = anInitialList.begin();
 180     for (int i = 0; i < indFirstWrong; i++) anInitIter++;
 181     for ( ; anInitIter != anInitialList.end(); anInitIter++) {
 182       aFeatureIn = std::dynamic_pointer_cast<SketchPlugin_Feature>(*anInitIter);
 183       FeaturePtr aNewFeature = aFeatureIn->document()->addFeature(aFeatureIn->getKind());
 184       aRefListOfMirrored->append(aNewFeature);
 185     }
 186   }
 187
 188   // send events to update the sub-features by the solver
 189   if (isUpdateFlushed)
 190     Events_Loop::loop()->setFlushed(anUpdateEvent, true);
 191 }
 192
 193 AISObjectPtr SketchPlugin_ConstraintMirror::getAISObject(AISObjectPtr thePrevious)
 194 {
 195   if (!sketch())
 196     return thePrevious;
 197
 198   AISObjectPtr anAIS = SketcherPrs_Factory::mirrorConstraint(this, sketch()->coordinatePlane(),
 199                                                              thePrevious);
 200   return anAIS;
 201 }
 202
 203 void SketchPlugin_ConstraintMirror::erase()
 204 {
 205   // Set copy attribute to false on all copied features.
 206   AttributeRefListPtr aRefListOfMirrored = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
 207       data()->attribute(SketchPlugin_Constraint::ENTITY_C()));
 208
 209   if(aRefListOfMirrored.get()) {
 210     static Events_Loop* aLoop = Events_Loop::loop();
 211     static Events_ID aRedispEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 212
 213     std::list<ObjectPtr> aTargetList = aRefListOfMirrored->list();
 214     for(std::list<ObjectPtr>::const_iterator aTargetIt =
 215         aTargetList.cbegin(); aTargetIt != aTargetList.cend(); aTargetIt++) {
 216       if((*aTargetIt).get()) {
 217         ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(*aTargetIt);
 218         if(aRes.get()) {
 219           FeaturePtr aFeature = aRes->document()->feature(aRes);
 220           if(aFeature.get()) {
 221             AttributeBooleanPtr aBooleanAttr =
 222               aFeature->boolean(SketchPlugin_SketchEntity::COPY_ID());
 223             if(aBooleanAttr.get()) {
 224               if (ModelAPI_Session::get()->isOperation()) // if this is not undo or redo
 225                 aBooleanAttr->setValue(false);
 226               // Redisplay object as it is not copy anymore.
 227               ModelAPI_EventCreator::get()->sendUpdated(aRes, aRedispEvent);
 228             }
 229           }
 230         }
 231       }
 232     }
 233   }
 234
 235   SketchPlugin_ConstraintBase::erase();
 236 }
 237
 238 void SketchPlugin_ConstraintMirror::attributeChanged(const std::string& theID)
 239 {
 240   if (theID == MIRROR_LIST_ID()) {
 241     AttributeRefListPtr aMirrorObjectRefs = reflist(MIRROR_LIST_ID());
 242     if (aMirrorObjectRefs->size() == 0) {
 243       DocumentPtr aDoc = document();
 244       // Clear list of objects
 245       AttributeRefListPtr aRefListOfMirrored = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
 246           data()->attribute(SketchPlugin_Constraint::ENTITY_C()));
 247       std::list<ObjectPtr> aTargetList = aRefListOfMirrored->list();
 248       std::list<ObjectPtr>::iterator aTargetIter = aTargetList.begin();
 249       for (; aTargetIter != aTargetList.end(); aTargetIter++) {
 250         FeaturePtr aFeature = ModelAPI_Feature::feature(*aTargetIter);
 251         if (aFeature)
 252           aDoc->removeFeature(aFeature);
 253       }
 254       aRefListOfMirrored->clear();
 255       std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
 256         data()->attribute(SketchPlugin_Constraint::ENTITY_B()))->clear();
 257     }
 258   }
 259 }
 260