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(), ModelAPI_AttributeRefList::typeId());
  35   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), SketchPlugin_Constraint::ENTITY_B());
  36   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), SketchPlugin_Constraint::ENTITY_C());
  37 }
  38
  39 void SketchPlugin_ConstraintMirror::execute()
  40 {
  41   AttributeRefListPtr aMirrorObjectRefs = reflist(SketchPlugin_ConstraintMirror::MIRROR_LIST_ID());
  42
  43   // Wait all objects being created, then send update events
  44   static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
  45   bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
  46   if (isUpdateFlushed)
  47     Events_Loop::loop()->setFlushed(anUpdateEvent, false);
  48
  49   std::shared_ptr<ModelAPI_Data> aData = data();
  50   AttributeRefListPtr aRefListOfShapes = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
  51       aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
  52   AttributeRefListPtr aRefListOfMirrored = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
  53       aData->attribute(SketchPlugin_Constraint::ENTITY_C()));
  54   std::list<ObjectPtr> anInitialList =  aRefListOfShapes->list();
  55   std::list<ObjectPtr> aMirroredList =  aRefListOfMirrored->list();
  56   std::vector<bool> isUsed(anInitialList.size(), false);
  57   // add new items to the list
  58   for(int anInd = 0; anInd < aMirrorObjectRefs->size(); anInd++) {
  59     ObjectPtr anObject = aMirrorObjectRefs->object(anInd);
  60     std::list<ObjectPtr>::const_iterator anIt = anInitialList.begin();
  61     std::vector<bool>::iterator aUsedIt = isUsed.begin();
  62     for (; anIt != anInitialList.end(); anIt++, aUsedIt++)
  63       if (*anIt == anObject) {
  64         *aUsedIt = true;
  65         break;
  66       }
  67     if (anIt == anInitialList.end())
  68       aRefListOfShapes->append(anObject);
  69   }
  70   // remove unused items
  71   std::list<ObjectPtr>::iterator anInitIter = anInitialList.begin();
  72   std::list<ObjectPtr>::iterator aMirrorIter = aMirroredList.begin();
  73   std::vector<bool>::iterator aUsedIter = isUsed.begin();
  74   std::set<FeaturePtr> aFeaturesToBeRemoved;
  75   for (; aUsedIter != isUsed.end(); aUsedIter++) {
  76     if (!(*aUsedIter)) {
  77       aRefListOfShapes->remove(*anInitIter);
  78       if (aMirrorIter != aMirroredList.end()) {
  79         aRefListOfMirrored->remove(*aMirrorIter);
  80         // remove the corresponding feature from the sketch
  81         ResultConstructionPtr aRC =
  82             std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aMirrorIter);
  83         DocumentPtr aDoc = aRC ? aRC->document() : DocumentPtr();
  84         FeaturePtr aFeature =  aDoc ? aDoc->feature(aRC) : FeaturePtr();
  85         if (aFeature)
  86           aFeaturesToBeRemoved.insert(aFeature);
  87       }
  88     }
  89     if (anInitIter != anInitialList.end())
  90       anInitIter++;
  91     if (aMirrorIter != aMirroredList.end())
  92       aMirrorIter++;
  93   }
  94   ModelAPI_Tools::removeFeaturesAndReferences(aFeaturesToBeRemoved);
  95
  96   static Events_ID aRedisplayEvent = Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY);
  97
  98   // Check consistency of initial list and mirrored list
  99   anInitialList =  aRefListOfShapes->list();
 100   anInitIter = anInitialList.begin();
 101   aMirrorIter = aMirroredList.begin();
 102   int indFirstWrong = 0; // index of element starts difference in the lists
 103   std::set<int> anInvalidInd; // list of indices of removed features
 104   std::shared_ptr<SketchPlugin_Feature> aFeatureIn, aFeatureOut;
 105   for ( ; anInitIter != anInitialList.end(); anInitIter++, indFirstWrong++) {
 106     // Add features and store indices of objects to remove
 107     aFeatureIn = std::dynamic_pointer_cast<SketchPlugin_Feature>(*anInitIter);
 108     ResultConstructionPtr aRCIn;
 109     if (!aFeatureIn) {
 110       aRCIn = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*anInitIter);
 111       if (aRCIn)
 112         aFeatureIn = std::dynamic_pointer_cast<SketchPlugin_Feature>(
 113             aRCIn->document()->feature(aRCIn));
 114     }
 115     if (aMirrorIter == aMirroredList.end())
 116       aFeatureOut = std::shared_ptr<SketchPlugin_Feature>();
 117     else {
 118       aFeatureOut = std::dynamic_pointer_cast<SketchPlugin_Feature>(*aMirrorIter);
 119       if (!aFeatureOut) {
 120         ResultConstructionPtr aRC =
 121             std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*anInitIter);
 122         if (aRC)
 123           aFeatureOut = std::dynamic_pointer_cast<SketchPlugin_Feature>(
 124               aRC->document()->feature(aRC));
 125       }
 126     }
 127     if (!aFeatureIn) {
 128       if (aFeatureOut)
 129         break; // the lists are inconsistent
 130       continue;
 131     }
 132     if (!aFeatureOut) {
 133       if (aMirrorIter != aMirroredList.end())
 134         break; // the lists are inconsistent
 135       // There is no mirrored object yet, create it
 136       FeaturePtr aNewFeature = SketchPlugin_Sketch::addUniqueNamedCopiedFeature(aFeatureIn, sketch(), true);
 137       aNewFeature->execute();
 138       ModelAPI_EventCreator::get()->sendUpdated(aNewFeature, aRedisplayEvent);
 139
 140       std::shared_ptr<GeomAPI_Shape> aShapeIn = aRCIn->shape();
 141       const std::list<ResultPtr>& aResults = aNewFeature->results();
 142       std::list<ResultPtr>::const_iterator anIt = aResults.begin();
 143       for (; anIt != aResults.end(); anIt++) {
 144         ResultConstructionPtr aRC = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*anIt);
 145         if (!aRC) continue;
 146         std::shared_ptr<GeomAPI_Shape> aShapeOut = aRC->shape();
 147         if ((aShapeIn->isVertex() && aShapeOut->isVertex()) ||
 148             (aShapeIn->isEdge() && aShapeOut->isEdge()) ||
 149             (aShapeIn->isFace() && aShapeOut->isFace()))
 150           aRefListOfMirrored->append(aRC);
 151       }
 152       continue;
 153     }
 154     if (aFeatureIn->getKind() != aFeatureOut->getKind())
 155       break; // the lists are inconsistent
 156     if (!aFeatureIn->data()->isValid()) {
 157       // initial feature was removed, delete it from lists
 158       anInvalidInd.insert(indFirstWrong);
 159     }
 160     aMirrorIter++;
 161   }
 162   // Remove from the list objects already deleted before
 163   std::set<int>::reverse_iterator anIt = anInvalidInd.rbegin();
 164   for ( ; anIt != anInvalidInd.rend(); anIt++) {
 165     if (*anIt < indFirstWrong) indFirstWrong--;
 166     aRefListOfShapes->remove(aRefListOfShapes->object(*anIt));
 167     aRefListOfMirrored->remove(aRefListOfMirrored->object(*anIt));
 168   }
 169   // If the lists inconsistent, remove all objects from mirrored list starting from indFirstWrong
 170   if (anInitIter != anInitialList.end()) {
 171     while (aRefListOfMirrored->size() > indFirstWrong)
 172       aRefListOfMirrored->remove(aRefListOfMirrored->object(indFirstWrong));
 173     // Create mirrored features instead of removed
 174     anInitialList =  aRefListOfShapes->list();
 175     anInitIter = anInitialList.begin();
 176     for (int i = 0; i < indFirstWrong; i++) anInitIter++;
 177     for ( ; anInitIter != anInitialList.end(); anInitIter++) {
 178       aFeatureIn = std::dynamic_pointer_cast<SketchPlugin_Feature>(*anInitIter);
 179       FeaturePtr aNewFeature = aFeatureIn->document()->addFeature(aFeatureIn->getKind());
 180       aRefListOfMirrored->append(aNewFeature);
 181     }
 182   }
 183
 184   // send events to update the sub-features by the solver
 185   if (isUpdateFlushed)
 186     Events_Loop::loop()->setFlushed(anUpdateEvent, true);
 187 }
 188
 189 AISObjectPtr SketchPlugin_ConstraintMirror::getAISObject(AISObjectPtr thePrevious)
 190 {
 191   if (!sketch())
 192     return thePrevious;
 193
 194   AISObjectPtr anAIS = SketcherPrs_Factory::mirrorConstraint(this, sketch()->coordinatePlane(),
 195                                                              thePrevious);
 196   return anAIS;
 197 }
 198
 199 void SketchPlugin_ConstraintMirror::erase()
 200 {
 201   // Set copy attribute to false on all copied features.
 202   AttributeRefListPtr aRefListOfMirrored = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
 203       data()->attribute(SketchPlugin_Constraint::ENTITY_C()));
 204
 205   if(aRefListOfMirrored.get()) {
 206     static Events_Loop* aLoop = Events_Loop::loop();
 207     static Events_ID aRedispEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 208
 209     std::list<ObjectPtr> aTargetList = aRefListOfMirrored->list();
 210     for(std::list<ObjectPtr>::const_iterator aTargetIt = aTargetList.cbegin(); aTargetIt != aTargetList.cend(); aTargetIt++) {
 211       if((*aTargetIt).get()) {
 212         ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(*aTargetIt);
 213         if(aRes.get()) {
 214           FeaturePtr aFeature = aRes->document()->feature(aRes);
 215           if(aFeature.get()) {
 216             AttributeBooleanPtr aBooleanAttr = aFeature->boolean(SketchPlugin_SketchEntity::COPY_ID());
 217             if(aBooleanAttr.get()) {
 218               if (ModelAPI_Session::get()->isOperation()) // if this is not undo or redo
 219                 aBooleanAttr->setValue(false);
 220               // Redisplay object as it is not copy anymore.
 221               ModelAPI_EventCreator::get()->sendUpdated(aRes, aRedispEvent);
 222             }
 223           }
 224         }
 225       }
 226     }
 227   }
 228
 229   SketchPlugin_ConstraintBase::erase();
 230 }
 231
 232 void SketchPlugin_ConstraintMirror::attributeChanged(const std::string& theID)
 233 {
 234   if (theID == MIRROR_LIST_ID()) {
 235     AttributeRefListPtr aMirrorObjectRefs = reflist(MIRROR_LIST_ID());
 236     if (aMirrorObjectRefs->size() == 0) {
 237       DocumentPtr aDoc = document();
 238       // Clear list of objects
 239       AttributeRefListPtr aRefListOfMirrored = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
 240           data()->attribute(SketchPlugin_Constraint::ENTITY_C()));
 241       std::list<ObjectPtr> aTargetList = aRefListOfMirrored->list();
 242       std::list<ObjectPtr>::iterator aTargetIter = aTargetList.begin();
 243       for (; aTargetIter != aTargetList.end(); aTargetIter++) {
 244         FeaturePtr aFeature = ModelAPI_Feature::feature(*aTargetIter);
 245         if (aFeature)
 246           aDoc->removeFeature(aFeature);
 247       }
 248       aRefListOfMirrored->clear();
 249       std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
 250         data()->attribute(SketchPlugin_Constraint::ENTITY_B()))->clear();
 251     }
 252   }
 253 }
 254