src/SketchPlugin/SketchPlugin_ConstraintMirror.cpp

   1 // Copyright (C) 2014-2017  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
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include "SketchPlugin_ConstraintMirror.h"
  22
  23 #include <ModelAPI_AttributeDouble.h>
  24 #include <ModelAPI_Data.h>
  25 #include <ModelAPI_ResultConstruction.h>
  26 #include <ModelAPI_AttributeRefList.h>
  27 #include <ModelAPI_Events.h>
  28 #include <ModelAPI_Session.h>
  29 #include <ModelAPI_Validator.h>
  30 #include <ModelAPI_Tools.h>
  31
  32 #include <SketchPlugin_Line.h>
  33 #include <SketchPlugin_Sketch.h>
  34
  35 #include <SketcherPrs_Factory.h>
  36
  37 #include <Config_PropManager.h>
  38
  39 SketchPlugin_ConstraintMirror::SketchPlugin_ConstraintMirror()
  40 {
  41 }
  42
  43 void SketchPlugin_ConstraintMirror::initAttributes()
  44 {
  45   data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId());
  46   data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefList::typeId());
  47   data()->addAttribute(SketchPlugin_Constraint::ENTITY_C(), ModelAPI_AttributeRefList::typeId());
  48   data()->addAttribute(SketchPlugin_ConstraintMirror::MIRROR_LIST_ID(),
  49                        ModelAPI_AttributeRefList::typeId());
  50   ModelAPI_Session::get()->validators()->
  51     registerNotObligatory(getKind(), SketchPlugin_Constraint::ENTITY_B());
  52   ModelAPI_Session::get()->validators()->
  53     registerNotObligatory(getKind(), SketchPlugin_Constraint::ENTITY_C());
  54 }
  55
  56 void SketchPlugin_ConstraintMirror::execute()
  57 {
  58   AttributeRefListPtr aMirrorObjectRefs = reflist(SketchPlugin_ConstraintMirror::MIRROR_LIST_ID());
  59
  60   // Wait all objects being created, then send update events
  61   static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
  62   bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
  63   if (isUpdateFlushed)
  64     Events_Loop::loop()->setFlushed(anUpdateEvent, false);
  65
  66   std::shared_ptr<ModelAPI_Data> aData = data();
  67   AttributeRefListPtr aRefListOfShapes = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
  68       aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
  69   AttributeRefListPtr aRefListOfMirrored = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
  70       aData->attribute(SketchPlugin_Constraint::ENTITY_C()));
  71   std::list<ObjectPtr> anInitialList =  aRefListOfShapes->list();
  72   std::list<ObjectPtr> aMirroredList =  aRefListOfMirrored->list();
  73   std::vector<bool> isUsed(anInitialList.size(), false);
  74   // add new items to the list
  75   for(int anInd = 0; anInd < aMirrorObjectRefs->size(); anInd++) {
  76     ObjectPtr anObject = aMirrorObjectRefs->object(anInd);
  77     std::list<ObjectPtr>::const_iterator anIt = anInitialList.begin();
  78     std::vector<bool>::iterator aUsedIt = isUsed.begin();
  79     for (; anIt != anInitialList.end(); anIt++, aUsedIt++)
  80       if (*anIt == anObject) {
  81         *aUsedIt = true;
  82         break;
  83       }
  84     if (anIt == anInitialList.end())
  85       aRefListOfShapes->append(anObject);
  86   }
  87   // remove unused items
  88   std::list<ObjectPtr>::iterator anInitIter = anInitialList.begin();
  89   std::list<ObjectPtr>::iterator aMirrorIter = aMirroredList.begin();
  90   std::vector<bool>::iterator aUsedIter = isUsed.begin();
  91   std::set<FeaturePtr> aFeaturesToBeRemoved;
  92   for (; aUsedIter != isUsed.end(); aUsedIter++) {
  93     if (!(*aUsedIter)) {
  94       aRefListOfShapes->remove(*anInitIter);
  95       if (aMirrorIter != aMirroredList.end()) {
  96         aRefListOfMirrored->remove(*aMirrorIter);
  97         // remove the corresponding feature from the sketch
  98         ResultConstructionPtr aRC =
  99             std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aMirrorIter);
 100         DocumentPtr aDoc = aRC ? aRC->document() : DocumentPtr();
 101         FeaturePtr aFeature =  aDoc ? aDoc->feature(aRC) : FeaturePtr();
 102         if (aFeature)
 103           aFeaturesToBeRemoved.insert(aFeature);
 104       }
 105     }
 106     if (anInitIter != anInitialList.end())
 107       anInitIter++;
 108     if (aMirrorIter != aMirroredList.end())
 109       aMirrorIter++;
 110   }
 111   ModelAPI_Tools::removeFeaturesAndReferences(aFeaturesToBeRemoved);
 112
 113   static Events_ID aRedisplayEvent = Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY);
 114
 115   // Check consistency of initial list and mirrored list
 116   anInitialList =  aRefListOfShapes->list();
 117   anInitIter = anInitialList.begin();
 118   aMirrorIter = aMirroredList.begin();
 119   int indFirstWrong = 0; // index of element starts difference in the lists
 120   std::set<int> anInvalidInd; // list of indices of removed features
 121   std::shared_ptr<SketchPlugin_Feature> aFeatureIn, aFeatureOut;
 122   for ( ; anInitIter != anInitialList.end(); anInitIter++, indFirstWrong++) {
 123     // Add features and store indices of objects to remove
 124     aFeatureIn = std::dynamic_pointer_cast<SketchPlugin_Feature>(*anInitIter);
 125     ResultConstructionPtr aRCIn;
 126     if (!aFeatureIn) {
 127       aRCIn = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*anInitIter);
 128       if (aRCIn)
 129         aFeatureIn = std::dynamic_pointer_cast<SketchPlugin_Feature>(
 130             aRCIn->document()->feature(aRCIn));
 131     }
 132     if (aMirrorIter == aMirroredList.end())
 133       aFeatureOut = std::shared_ptr<SketchPlugin_Feature>();
 134     else {
 135       aFeatureOut = std::dynamic_pointer_cast<SketchPlugin_Feature>(*aMirrorIter);
 136       if (!aFeatureOut) {
 137         ResultConstructionPtr aRC =
 138             std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*anInitIter);
 139         if (aRC)
 140           aFeatureOut = std::dynamic_pointer_cast<SketchPlugin_Feature>(
 141               aRC->document()->feature(aRC));
 142       }
 143     }
 144     if (!aFeatureIn) {
 145       if (aFeatureOut)
 146         break; // the lists are inconsistent
 147       continue;
 148     }
 149     if (!aFeatureOut) {
 150       if (aMirrorIter != aMirroredList.end())
 151         break; // the lists are inconsistent
 152       // There is no mirrored object yet, create it
 153       FeaturePtr aNewFeature =
 154         SketchPlugin_Sketch::addUniqueNamedCopiedFeature(aFeatureIn, sketch(), true);
 155       aNewFeature->execute();
 156       ModelAPI_EventCreator::get()->sendUpdated(aNewFeature, aRedisplayEvent);
 157
 158       std::shared_ptr<GeomAPI_Shape> aShapeIn = aRCIn->shape();
 159       const std::list<ResultPtr>& aResults = aNewFeature->results();
 160       std::list<ResultPtr>::const_iterator anIt = aResults.begin();
 161       for (; anIt != aResults.end(); anIt++) {
 162         ResultConstructionPtr aRC = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*anIt);
 163         if (!aRC) continue;
 164         std::shared_ptr<GeomAPI_Shape> aShapeOut = aRC->shape();
 165         if ((aShapeIn->isVertex() && aShapeOut->isVertex()) ||
 166             (aShapeIn->isEdge() && aShapeOut->isEdge()) ||
 167             (aShapeIn->isFace() && aShapeOut->isFace()))
 168           aRefListOfMirrored->append(aRC);
 169       }
 170       continue;
 171     }
 172     if (aFeatureIn->getKind() != aFeatureOut->getKind())
 173       break; // the lists are inconsistent
 174     if (!aFeatureIn->data()->isValid()) {
 175       // initial feature was removed, delete it from lists
 176       anInvalidInd.insert(indFirstWrong);
 177     }
 178     aMirrorIter++;
 179   }
 180   // Remove from the list objects already deleted before
 181   std::set<int>::reverse_iterator anIt = anInvalidInd.rbegin();
 182   for ( ; anIt != anInvalidInd.rend(); anIt++) {
 183     if (*anIt < indFirstWrong) indFirstWrong--;
 184     aRefListOfShapes->remove(aRefListOfShapes->object(*anIt));
 185     aRefListOfMirrored->remove(aRefListOfMirrored->object(*anIt));
 186   }
 187   // If the lists inconsistent, remove all objects from mirrored list starting from indFirstWrong
 188   if (anInitIter != anInitialList.end()) {
 189     while (aRefListOfMirrored->size() > indFirstWrong)
 190       aRefListOfMirrored->remove(aRefListOfMirrored->object(indFirstWrong));
 191     // Create mirrored features instead of removed
 192     anInitialList =  aRefListOfShapes->list();
 193     anInitIter = anInitialList.begin();
 194     for (int i = 0; i < indFirstWrong; i++) anInitIter++;
 195     for ( ; anInitIter != anInitialList.end(); anInitIter++) {
 196       aFeatureIn = std::dynamic_pointer_cast<SketchPlugin_Feature>(*anInitIter);
 197       FeaturePtr aNewFeature = aFeatureIn->document()->addFeature(aFeatureIn->getKind());
 198       aRefListOfMirrored->append(aNewFeature);
 199     }
 200   }
 201
 202   // send events to update the sub-features by the solver
 203   if (isUpdateFlushed)
 204     Events_Loop::loop()->setFlushed(anUpdateEvent, true);
 205 }
 206
 207 AISObjectPtr SketchPlugin_ConstraintMirror::getAISObject(AISObjectPtr thePrevious)
 208 {
 209   if (!sketch())
 210     return thePrevious;
 211
 212   AISObjectPtr anAIS = SketcherPrs_Factory::mirrorConstraint(this, sketch()->coordinatePlane(),
 213                                                              thePrevious);
 214   return anAIS;
 215 }
 216
 217 void SketchPlugin_ConstraintMirror::erase()
 218 {
 219   // Set copy attribute to false on all copied features.
 220   AttributeRefListPtr aRefListOfMirrored = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
 221       data()->attribute(SketchPlugin_Constraint::ENTITY_C()));
 222
 223   if(aRefListOfMirrored.get()) {
 224     static Events_Loop* aLoop = Events_Loop::loop();
 225     static Events_ID aRedispEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 226
 227     std::list<ObjectPtr> aTargetList = aRefListOfMirrored->list();
 228     for(std::list<ObjectPtr>::const_iterator aTargetIt =
 229         aTargetList.cbegin(); aTargetIt != aTargetList.cend(); aTargetIt++) {
 230       if((*aTargetIt).get()) {
 231         ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(*aTargetIt);
 232         if(aRes.get()) {
 233           FeaturePtr aFeature = aRes->document()->feature(aRes);
 234           if(aFeature.get()) {
 235             AttributeBooleanPtr aBooleanAttr =
 236               aFeature->boolean(SketchPlugin_SketchEntity::COPY_ID());
 237             if(aBooleanAttr.get()) {
 238               if (ModelAPI_Session::get()->isOperation()) // if this is not undo or redo
 239                 aBooleanAttr->setValue(false);
 240               // Redisplay object as it is not copy anymore.
 241               ModelAPI_EventCreator::get()->sendUpdated(aRes, aRedispEvent);
 242             }
 243           }
 244         }
 245       }
 246     }
 247   }
 248
 249   SketchPlugin_ConstraintBase::erase();
 250 }
 251
 252 void SketchPlugin_ConstraintMirror::attributeChanged(const std::string& theID)
 253 {
 254   if (theID == MIRROR_LIST_ID()) {
 255     AttributeRefListPtr aMirrorObjectRefs = reflist(MIRROR_LIST_ID());
 256     if (aMirrorObjectRefs->size() == 0) {
 257       DocumentPtr aDoc = document();
 258       // Clear list of objects
 259       AttributeRefListPtr aRefListOfMirrored = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
 260           data()->attribute(SketchPlugin_Constraint::ENTITY_C()));
 261       std::list<ObjectPtr> aTargetList = aRefListOfMirrored->list();
 262       std::list<ObjectPtr>::iterator aTargetIter = aTargetList.begin();
 263       for (; aTargetIter != aTargetList.end(); aTargetIter++) {
 264         FeaturePtr aFeature = ModelAPI_Feature::feature(*aTargetIter);
 265         if (aFeature)
 266           aDoc->removeFeature(aFeature);
 267       }
 268       aRefListOfMirrored->clear();
 269       std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(
 270         data()->attribute(SketchPlugin_Constraint::ENTITY_B()))->clear();
 271     }
 272   }
 273 }
 274