src/PartSet/PartSet_WidgetPoint2d.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 "PartSet_WidgetPoint2d.h"
  22 #include <PartSet_Tools.h>
  23 #include <PartSet_Module.h>
  24 #include <PartSet_SketcherReentrantMgr.h>
  25 #include <PartSet_ExternalObjectsMgr.h>
  26 #include <PartSet_CenterPrs.h>
  27
  28 #include <XGUI_Tools.h>
  29 #include <XGUI_Workshop.h>
  30 #include <XGUI_Displayer.h>
  31
  32 #include <ModuleBase_ParamSpinBox.h>
  33 #include <ModuleBase_Tools.h>
  34 #include <ModuleBase_IViewer.h>
  35 #include <ModuleBase_IViewWindow.h>
  36 #include <ModuleBase_ISelection.h>
  37 #include <ModuleBase_ViewerPrs.h>
  38 #include <ModuleBase_WidgetValidator.h>
  39 #include <ModuleBase_WidgetValidated.h>
  40 #include <ModuleBase_LabelValue.h>
  41
  42 #include <Config_Keywords.h>
  43 #include <Config_WidgetAPI.h>
  44
  45 #include <Events_Loop.h>
  46 #include <Events_InfoMessage.h>
  47 #include <ModelAPI_Events.h>
  48 #include <ModelAPI_AttributeBoolean.h>
  49 #include <ModelAPI_AttributeRefAttr.h>
  50 #include <ModelAPI_AttributeRefList.h>
  51 #include <ModelAPI_Validator.h>
  52 #include <ModelAPI_Session.h>
  53
  54 #include <ModelAPI_Feature.h>
  55 #include <ModelAPI_Data.h>
  56 #include <ModelAPI_Object.h>
  57 #include <GeomDataAPI_Point2D.h>
  58 #include <GeomAPI_Pnt2d.h>
  59
  60 #include <GeomAPI_ShapeExplorer.h>
  61 #include <GeomAPI_Vertex.h>
  62
  63 #include <SketchPlugin_Feature.h>
  64 #include <SketchPlugin_ConstraintCoincidence.h>
  65 #include <SketchPlugin_Line.h>
  66 #include <SketchPlugin_Arc.h>
  67 #include <SketchPlugin_Circle.h>
  68 #include <SketchPlugin_Point.h>
  69
  70 #include <QGroupBox>
  71 #include <QGridLayout>
  72 #include <QLabel>
  73 #include <QEvent>
  74 #include <QMouseEvent>
  75 #include <QApplication>
  76
  77 #include <TopoDS.hxx>
  78 #include <TopoDS_Vertex.hxx>
  79 #include <BRep_Tool.hxx>
  80 #include <Geom_Point.hxx>
  81
  82 #include <cfloat>
  83 #include <climits>
  84
  85 const double MaxCoordinate = 1e12;
  86
  87 static QStringList MyFeaturesForCoincedence;
  88
  89 PartSet_WidgetPoint2D::PartSet_WidgetPoint2D(QWidget* theParent,
  90                                              ModuleBase_IWorkshop* theWorkshop,
  91                                              const Config_WidgetAPI* theData)
  92 : ModuleBase_ModelWidget(theParent, theData), myWorkshop(theWorkshop),
  93   myValueIsCashed(false), myIsFeatureVisibleInCash(true),
  94   myXValueInCash(0), myYValueInCash(0)
  95 {
  96   myRefAttribute = theData->getProperty("reference_attribute");
  97   if (MyFeaturesForCoincedence.isEmpty()) {
  98     MyFeaturesForCoincedence << SketchPlugin_Line::ID().c_str()
  99       << SketchPlugin_Arc::ID().c_str()
 100       << SketchPlugin_Point::ID().c_str()
 101       << SketchPlugin_Circle::ID().c_str();
 102   }
 103
 104   // the control should accept the focus, so the boolean flag is corrected to be true
 105   myIsObligatory = true;
 106   QString aPageName = QString::fromStdString(theData->getProperty(CONTAINER_PAGE_NAME));
 107   myGroupBox = new QGroupBox(aPageName, theParent);
 108   myGroupBox->setFlat(false);
 109
 110   bool aAcceptVariables = theData->getBooleanAttribute(DOUBLE_WDG_ACCEPT_EXPRESSIONS, true);
 111
 112   QGridLayout* aGroupLay = new QGridLayout(myGroupBox);
 113   ModuleBase_Tools::adjustMargins(aGroupLay);
 114   aGroupLay->setSpacing(2);
 115   aGroupLay->setColumnStretch(1, 1);
 116   {
 117     QLabel* aLabel = new QLabel(myGroupBox);
 118
 119     myXSpin = new ModuleBase_LabelValue(myGroupBox, tr("X"));
 120     //ModuleBase_ParamSpinBox(myGroupBox);
 121     //myXSpin->setAcceptVariables(aAcceptVariables);
 122     //myXSpin->setMinimum(-DBL_MAX);
 123     //myXSpin->setMaximum(DBL_MAX);
 124     //myXSpin->setToolTip(tr("X"));
 125     aGroupLay->addWidget(myXSpin, 0, 1);
 126
 127     //connect(myXSpin, SIGNAL(textChanged(const QString&)), this, SIGNAL(valuesModified()));
 128     //myXSpin->setValueEnabled(isValueEnabled());
 129   }
 130   {
 131     //QLabel* aLabel = new QLabel(myGroupBox);
 132     //aLabel->setText(tr("Y "));
 133     //aGroupLay->addWidget(aLabel, 1, 0);
 134
 135     myYSpin = new ModuleBase_LabelValue(myGroupBox, tr("Y"));
 136     //ModuleBase_ParamSpinBox(myGroupBox);
 137     //myYSpin = new ModuleBase_ParamSpinBox(myGroupBox);
 138     //myYSpin->setAcceptVariables(aAcceptVariables);
 139     //myYSpin->setMinimum(-DBL_MAX);
 140     //myYSpin->setMaximum(DBL_MAX);
 141     //myYSpin->setToolTip(tr("Y"));
 142     aGroupLay->addWidget(myYSpin, 1, 1);
 143
 144     //connect(myYSpin, SIGNAL(textChanged(const QString&)), this, SIGNAL(valuesModified()));
 145     //myYSpin->setValueEnabled(isValueEnabled());
 146   }
 147   QVBoxLayout* aLayout = new QVBoxLayout(this);
 148   ModuleBase_Tools::zeroMargins(aLayout);
 149   aLayout->addWidget(myGroupBox);
 150   setLayout(aLayout);
 151
 152   myWidgetValidator = new ModuleBase_WidgetValidator(this, myWorkshop);
 153   myExternalObjectMgr = new PartSet_ExternalObjectsMgr(theData->getProperty("use_external"),
 154                                          theData->getProperty("can_create_external"), true);
 155 }
 156
 157 bool PartSet_WidgetPoint2D::isValidSelectionCustom(const ModuleBase_ViewerPrsPtr& theValue)
 158 {
 159   bool aValid = true;
 160
 161   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 162   if (aModule->sketchReentranceMgr()->isInternalEditActive())
 163     return true; /// when internal edit is started a new feature is created. I has not results, AIS
 164
 165   /// the selection is not possible if the current feature has no presentation for the current
 166   /// attribute not in AIS not in results. If so, no object in current feature where make
 167   /// coincidence, so selection is not necessary
 168   GeomShapePtr anAISShape;
 169   GeomPresentablePtr aPrs = std::dynamic_pointer_cast<GeomAPI_IPresentable>(myFeature);
 170   if (aPrs.get()) {
 171     AISObjectPtr anAIS;
 172     anAIS = aPrs->getAISObject(anAIS);
 173     if (anAIS.get()) {
 174       anAISShape = anAIS->getShape();
 175     }
 176   }
 177   const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = myFeature->results();
 178   if (!anAISShape.get() && aResults.empty())
 179     return true;
 180
 181   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 182   if (aRefAttr.get())
 183     return isValidSelectionForAttribute_(theValue, myFeature->attribute(attributeID()));
 184   else {
 185     bool aFoundPoint = false;
 186     /// Avoid coincidence build to passed point. Coincidence is build later only if there are no
 187     /// reference attribute.
 188     /// The condition is that the selected feature has shape that has after explore a point
 189     /// equal to clicked one.
 190     std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 191     AttributePoint2DPtr aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 192         aData->attribute(attributeID()));
 193     std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointAttr->pnt();
 194     if (anAISShape.get())
 195       aFoundPoint = shapeExploreHasVertex(anAISShape, aPoint, mySketch);
 196
 197     /// analysis of results
 198     std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.cbegin();
 199     for (; aRIter != aResults.cend() && !aFoundPoint; aRIter++) {
 200       ResultPtr aResult = *aRIter;
 201       if (aResult.get() && aResult->shape().get()) {
 202         GeomShapePtr aShape = aResult->shape();
 203         aFoundPoint = shapeExploreHasVertex(aShape, aPoint, mySketch);
 204       }
 205     }
 206     return aFoundPoint;
 207   }
 208   return true;
 209 }
 210
 211 //********************************************************************
 212 bool PartSet_WidgetPoint2D::isValidSelectionForAttribute_(
 213                                             const ModuleBase_ViewerPrsPtr& theValue,
 214                                             const AttributePtr& theAttribute)
 215 {
 216   bool aValid = false;
 217
 218   // stores the current values of the widget attribute
 219   bool isFlushesActived, isAttributeSetInitializedBlocked, isAttributeSendUpdatedBlocked;
 220
 221   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 222   ModuleBase_WidgetValidated::blockFeatureAttribute(aRefAttr, myFeature, true,
 223       isFlushesActived, isAttributeSetInitializedBlocked, isAttributeSendUpdatedBlocked);
 224   myWidgetValidator->storeAttributeValue(aRefAttr);
 225
 226   // saves the owner value to the widget attribute
 227   aValid = setSelectionCustom(theValue);
 228   if (aValid)
 229     // checks the attribute validity
 230     aValid = myWidgetValidator->isValidAttribute(theAttribute);
 231
 232   // restores the current values of the widget attribute
 233   myWidgetValidator->restoreAttributeValue(aRefAttr, aValid);
 234   myExternalObjectMgr->removeExternal(sketch(), myFeature, myWorkshop, true);
 235
 236   ModuleBase_WidgetValidated::blockFeatureAttribute(aRefAttr, myFeature, false, isFlushesActived,
 237                                 isAttributeSetInitializedBlocked, isAttributeSendUpdatedBlocked);
 238   return aValid;
 239 }
 240
 241 bool PartSet_WidgetPoint2D::setSelectionCustom(const ModuleBase_ViewerPrsPtr& theValue)
 242 {
 243   bool isDone = false;
 244   GeomShapePtr aShape = theValue->shape();
 245   if (aShape.get() && !aShape->isNull()) {
 246     Handle(V3d_View) aView = myWorkshop->viewer()->activeView();
 247     double aX, aY;
 248     const TopoDS_Shape& aTDShape = aShape->impl<TopoDS_Shape>();
 249     if (getPoint2d(aView, aTDShape, aX, aY)) {
 250       fillRefAttribute(aX, aY, theValue);
 251       isDone = true;
 252     }
 253     else if (aTDShape.ShapeType() == TopAbs_EDGE) {
 254       fillRefAttribute(theValue);
 255       isDone = true;
 256     }
 257   }
 258   return isDone;
 259 }
 260
 261 bool PartSet_WidgetPoint2D::resetCustom()
 262 {
 263   bool aDone = false;
 264   if (!isUseReset() || isComputedDefault()
 265       /*|| myXSpin->hasVariable() || myYSpin->hasVariable()*/) {
 266     aDone = false;
 267   }
 268   else {
 269     if (myValueIsCashed) {
 270       // if the restored value should be hidden, aDone = true to set
 271       // reset state for the widget in the parent
 272       aDone = restoreCurentValue();
 273       emit objectUpdated();
 274     }
 275     else {
 276       bool isOk;
 277       double aDefValue = QString::fromStdString(getDefaultValue()).toDouble(&isOk);
 278       // it is important to block the spin box control in order to do not through out the
 279       // locking of the validating state.
 280       myXSpin->setValue(isOk ? aDefValue : 0.0);
 281       myYSpin->setValue(isOk ? aDefValue : 0.0);
 282
 283       //ModuleBase_Tools::setSpinValue(myXSpin, isOk ? aDefValue : 0.0);
 284       //ModuleBase_Tools::setSpinValue(myYSpin, isOk ? aDefValue : 0.0);
 285       storeValueCustom();
 286       aDone = true;
 287     }
 288   }
 289   return aDone;
 290 }
 291
 292 PartSet_WidgetPoint2D::~PartSet_WidgetPoint2D()
 293 {
 294   delete myExternalObjectMgr;
 295 }
 296
 297 bool PartSet_WidgetPoint2D::setSelection(QList<ModuleBase_ViewerPrsPtr>& theValues,
 298                                          const bool theToValidate)
 299 {
 300   bool isDone = false;
 301   if (theValues.empty())
 302     return isDone;
 303
 304   ModuleBase_ViewerPrsPtr aValue = theValues.takeFirst();
 305
 306   if (!theToValidate || myWidgetValidator->isValidSelection(aValue)) {
 307     GeomShapePtr aShape = aValue->shape();
 308     if (aShape.get() && !aShape->isNull()) {
 309       Handle(V3d_View) aView = myWorkshop->viewer()->activeView();
 310       double aX, aY;
 311       const TopoDS_Shape& aTDShape = aShape->impl<TopoDS_Shape>();
 312       if (getPoint2d(aView, aTDShape, aX, aY)) {
 313         isDone = setPoint(aX, aY);
 314         setConstraintToPoint(aX, aY, aValue);
 315       }
 316     }
 317   }
 318   return isDone;
 319 }
 320
 321 void PartSet_WidgetPoint2D::selectContent()
 322 {
 323  // myXSpin->selectAll();
 324 }
 325
 326 bool PartSet_WidgetPoint2D::setPoint(double theX, double theY)
 327 {
 328   if (fabs(theX) >= MaxCoordinate)
 329     return false;
 330   if (fabs(theY) >= MaxCoordinate)
 331     return false;
 332
 333   myXSpin->setValue(theX);
 334   myYSpin->setValue(theY);
 335
 336   //ModuleBase_Tools::setSpinValue(myXSpin, theX);
 337   //ModuleBase_Tools::setSpinValue(myYSpin, theY);
 338
 339   storeValue();
 340   return true;
 341 }
 342
 343 bool PartSet_WidgetPoint2D::storeValueCustom()
 344 {
 345   std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 346   if (!aData) // can be on abort of sketcher element
 347     return false;
 348   AttributePoint2DPtr aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 349       aData->attribute(attributeID()));
 350
 351   PartSet_WidgetPoint2D* that = (PartSet_WidgetPoint2D*) this;
 352   bool isBlocked = that->blockSignals(true);
 353   bool isImmutable = aPoint->setImmutable(true);
 354
 355   // if text is not empty then setValue will be ignored
 356   // so we should set the text at first
 357   //aPoint->setText(myXSpin->hasVariable() ? myXSpin->text().toStdString() : "",
 358   //                myYSpin->hasVariable() ? myYSpin->text().toStdString() : "");
 359   //aPoint->setValue(!myXSpin->hasVariable() ? myXSpin->value() : aPoint->x(),
 360   //                 !myYSpin->hasVariable() ? myYSpin->value() : aPoint->y());
 361
 362   if (myFeature->isMacro()) {
 363     // Moving points of macro-features has been processed directly (without solver)
 364     aPoint->setValue(myXSpin->value(), myYSpin->value());
 365     moveObject(myFeature);
 366   } else {
 367     if (!aPoint->isInitialized())
 368       aPoint->setValue(0., 0.);
 369
 370     std::shared_ptr<ModelAPI_ObjectMovedMessage> aMessage(
 371         new ModelAPI_ObjectMovedMessage(this));
 372     aMessage->setMovedAttribute(aPoint);
 373     aMessage->setOriginalPosition(aPoint->pnt());
 374     aMessage->setCurrentPosition(myXSpin->value(), myYSpin->value());
 375     Events_Loop::loop()->send(aMessage);
 376   }
 377
 378   aPoint->setImmutable(isImmutable);
 379   that->blockSignals(isBlocked);
 380
 381   return true;
 382 }
 383
 384 bool PartSet_WidgetPoint2D::restoreValueCustom()
 385 {
 386   std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 387   AttributePoint2DPtr aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 388       aData->attribute(attributeID()));
 389   double aValueX = aPoint->isInitialized() ? aPoint->x() : 0.;
 390   double aValueY = aPoint->isInitialized() ? aPoint->y() : 0.;
 391   myXSpin->setValue(aValueX);
 392   myYSpin->setValue(aValueY);
 393
 394   return true;
 395 }
 396
 397 void PartSet_WidgetPoint2D::storeCurentValue()
 398 {
 399   // do not use cash if a variable is used
 400   //if (myXSpin->hasVariable() || myYSpin->hasVariable())
 401   //  return;
 402
 403   myValueIsCashed = true;
 404   myIsFeatureVisibleInCash = XGUI_Displayer::isVisible(
 405                        XGUI_Tools::workshop(myWorkshop)->displayer(), myFeature);
 406   myXValueInCash = myXSpin->value();
 407   myYValueInCash = myYSpin->value();
 408 }
 409
 410 bool PartSet_WidgetPoint2D::restoreCurentValue()
 411 {
 412   bool aRestoredAndHidden = true;
 413
 414   bool isVisible = myIsFeatureVisibleInCash;
 415   // fill the control widgets by the cashed value
 416
 417   myValueIsCashed = false;
 418   myIsFeatureVisibleInCash = true;
 419   myXSpin->setValue(myXValueInCash);
 420   myYSpin->setValue(myYValueInCash);
 421   //ModuleBase_Tools::setSpinValue(myXSpin, myXValueInCash);
 422   //ModuleBase_Tools::setSpinValue(myYSpin, myYValueInCash);
 423
 424   // store value to the model
 425   storeValueCustom();
 426   if (isVisible) {
 427     setValueState(Stored);
 428     aRestoredAndHidden = false;
 429   }
 430   else
 431     aRestoredAndHidden = true;
 432
 433   return aRestoredAndHidden;
 434 }
 435
 436 QList<QWidget*> PartSet_WidgetPoint2D::getControls() const
 437 {
 438   QList<QWidget*> aControls;
 439   aControls.append(myXSpin);
 440   aControls.append(myYSpin);
 441   return aControls;
 442 }
 443
 444
 445 void PartSet_WidgetPoint2D::activateCustom()
 446 {
 447   QIntList aModes;
 448   aModes << TopAbs_VERTEX;
 449   aModes << TopAbs_EDGE;
 450   myWorkshop->activateSubShapesSelection(aModes);
 451
 452   if (!isEditingMode()) {
 453     FeaturePtr aFeature = feature();
 454     if (aFeature.get() && aFeature->getKind() == SketchPlugin_Point::ID())
 455       storeValue();
 456   }
 457 }
 458
 459 void PartSet_WidgetPoint2D::setHighlighted(bool isHighlighted)
 460 {
 461 }
 462
 463 void PartSet_WidgetPoint2D::deactivate()
 464 {
 465   // the value of the control should be stored to model if it was not
 466   // initialized yet. It is important when we leave this control by Tab key.
 467   // It should not be performed by the widget activation as the preview
 468   // is visualized with default value. Line point is moved to origin.
 469   AttributePtr anAttribute = myFeature->data()->attribute(attributeID());
 470   if (anAttribute && !anAttribute->isInitialized())
 471     storeValue();
 472
 473   ModuleBase_ModelWidget::deactivate();
 474   myWorkshop->deactivateSubShapesSelection();
 475 }
 476
 477 bool PartSet_WidgetPoint2D::getPoint2d(const Handle(V3d_View)& theView,
 478                                        const TopoDS_Shape& theShape,
 479                                        double& theX, double& theY) const
 480 {
 481   if (!theShape.IsNull()) {
 482     if (theShape.ShapeType() == TopAbs_VERTEX) {
 483       const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 484       if (!aVertex.IsNull()) {
 485         // A case when point is taken from existing vertex
 486         gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 487         PartSet_Tools::convertTo2D(aPoint, mySketch, theView, theX, theY);
 488         return true;
 489       }
 490     }
 491   }
 492   return false;
 493 }
 494
 495 bool PartSet_WidgetPoint2D::setConstraintToPoint(double theClickedX, double theClickedY,
 496                                   const std::shared_ptr<ModuleBase_ViewerPrs>& theValue)
 497 {
 498   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 499   if (aRefAttr.get())
 500     fillRefAttribute(theClickedX, theClickedY, theValue);
 501   else {
 502     FeaturePtr aFeature = feature();
 503     std::string anAttribute = attributeID();
 504
 505     if (!aFeature.get())
 506       return false;
 507
 508     std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 509                                      new GeomAPI_Pnt2d(theClickedX, theClickedY));
 510     AttributePoint2DPtr aClickedFeaturePoint = findFirstEqualPointInSketch(mySketch,
 511                                                            aFeature, aClickedPoint);
 512     if (!aClickedFeaturePoint.get())
 513       return false;
 514
 515   //  aRefAttr->setAttr(aClickedFeaturePoint);
 516   //else {
 517     // find a feature point by the selection mode
 518     AttributePoint2DPtr aFeaturePoint;
 519     if (aFeature->isMacro()) {
 520       // the macro feature will be removed after the operation is stopped, so we need to build
 521       // coicidence to possible sub-features
 522       aFeaturePoint = findFirstEqualPointInArgumentFeatures(aFeature, aClickedPoint);
 523     }
 524     else {
 525       aFeaturePoint = std::dynamic_pointer_cast<
 526                                      GeomDataAPI_Point2D>(aFeature->data()->attribute(anAttribute));
 527     }
 528     if (!aFeaturePoint.get())
 529       return false;
 530
 531     PartSet_Tools::createConstraint(mySketch, aClickedFeaturePoint, aFeaturePoint);
 532   }
 533   return true;
 534 }
 535
 536 bool PartSet_WidgetPoint2D::setConstraintToObject(const ObjectPtr& theObject)
 537 {
 538   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 539   if (aRefAttr.get()) {
 540     fillRefAttribute(theObject);
 541   }
 542   else {
 543     AttributePoint2DPtr aFeaturePoint;
 544
 545     if (feature()->isMacro()) {
 546       AttributePtr aThisAttr = feature()->data()->attribute(attributeID());
 547       AttributePoint2DPtr anAttrPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aThisAttr);
 548       if (anAttrPoint.get()) {
 549         // the macro feature will be removed after the operation is stopped, so we need to build
 550         // coicidence to possible sub-features
 551         aFeaturePoint = findFirstEqualPointInArgumentFeatures(feature(),
 552                                                                    anAttrPoint->pnt());
 553       }
 554     }
 555     else {
 556       AttributePtr aThisAttr = feature()->data()->attribute(attributeID());
 557       aFeaturePoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aThisAttr);
 558     }
 559     if (!aFeaturePoint.get())
 560       return false;
 561
 562     // Create point-edge coincedence
 563     FeaturePtr aFeature = mySketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 564     std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 565
 566     std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 567         ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 568
 569     aRef1->setAttr(aFeaturePoint);
 570
 571     std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 572         ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 573     aRef2->setObject(theObject);
 574
 575     // we need to flush created signal in order to coincidence is processed by solver
 576     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 577   }
 578   return true;
 579 }
 580
 581 void PartSet_WidgetPoint2D::mouseReleased(ModuleBase_IViewWindow* theWindow, QMouseEvent* theEvent)
 582 {
 583   // the contex menu release by the right button should not be processed by this widget
 584   if (theEvent->button() != Qt::LeftButton)
 585     return;
 586
 587   ModuleBase_ISelection* aSelection = myWorkshop->selection();
 588   Handle(V3d_View) aView = theWindow->v3dView();
 589
 590   QList<ModuleBase_ViewerPrsPtr> aList = aSelection->getSelected(ModuleBase_ISelection::Viewer);
 591   ModuleBase_ViewerPrsPtr aFirstValue =
 592     aList.size() > 0 ? aList.first() : ModuleBase_ViewerPrsPtr();
 593   if (!aFirstValue.get() && myPreSelected.get()) {
 594     aFirstValue = myPreSelected;
 595   }
 596   // if we have selection and use it
 597   if (aFirstValue.get() && isValidSelectionCustom(aFirstValue) &&
 598       aFirstValue->shape().get()) { /// Trihedron Axis may be selected, but shape is empty
 599     GeomShapePtr aGeomShape = aFirstValue->shape();
 600     TopoDS_Shape aShape = aGeomShape->impl<TopoDS_Shape>();
 601     ObjectPtr aObject = aFirstValue->object();
 602
 603     FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(aObject);
 604     bool anExternal = false;
 605     std::shared_ptr<SketchPlugin_Feature> aSPFeature;
 606     if (aSelectedFeature.get() != NULL)
 607       aSPFeature = std::dynamic_pointer_cast<SketchPlugin_Feature>(aSelectedFeature);
 608
 609     ResultPtr aFixedObject;
 610     bool aSketchExternalFeature = aSPFeature.get() && aSPFeature->isExternal();
 611     if ((!aSPFeature && !aShape.IsNull()) || aSketchExternalFeature) {
 612       aFixedObject = PartSet_Tools::findFixedObjectByExternal(aShape, aObject, mySketch);
 613       if (aSketchExternalFeature && !aFixedObject.get()) {/// local selection on external feature
 614         anExternal = false;
 615       }
 616       else {
 617         anExternal = true;
 618         if (!aFixedObject.get())
 619           aFixedObject = PartSet_Tools::createFixedObjectByExternal(aShape, aObject, mySketch);
 620       }
 621     }
 622     if (anExternal) {
 623       double aX, aY;
 624       if (getPoint2d(aView, aShape, aX, aY) && isFeatureContainsPoint(myFeature, aX, aY)) {
 625         // do not create a constraint to the point, which already used by the feature
 626         // if the feature contains the point, focus is not switched
 627         setPoint(aX, aY);
 628       }
 629       else {
 630         if (getPoint2d(aView, aShape, aX, aY))
 631           setPoint(aX, aY);
 632         else {
 633           if (aShape.ShapeType() == TopAbs_EDGE) {
 634             // point is taken from mouse event and set in attribute. It should be done before set
 635             // coinident constraint to the external line. If a point is created, it should be in
 636             // the mouse clicked point
 637             gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(),
 638                                                                theWindow->v3dView());
 639             PartSet_Tools::convertTo2D(aPoint, mySketch, aView, aX, aY);
 640             setPoint(aX, aY);
 641           }
 642           setValueState(Stored); // in case of edge selection, Apply state should also be updated
 643         }
 644         bool anOrphanPoint = aShape.ShapeType() == TopAbs_VERTEX ||
 645                               isOrphanPoint(aSelectedFeature, mySketch, aX, aY);
 646         if (anExternal) {
 647           // we should not stop reentrant operation on external objects because
 648           anOrphanPoint = true;
 649           // they are not participate in the contour creation excepting external vertices
 650           if (aShape.ShapeType() == TopAbs_VERTEX) {
 651             FeaturePtr aFixedFeature = ModelAPI_Feature::feature(aFixedObject);
 652             if (aFixedFeature.get() && aFixedFeature->getKind() == SketchPlugin_Point::ID()) {
 653               anOrphanPoint = isOrphanPoint(aFixedFeature, mySketch, aX, aY);
 654             }
 655           }
 656         }
 657         if (aFixedObject.get())
 658           setConstraintToObject(aFixedObject);
 659         // fignal updated should be flushed in order to visualize possible created
 660         // external objects e.g. selection of trihedron axis when input end arc point
 661         updateObject(feature());
 662
 663         if (!anOrphanPoint)
 664           emit vertexSelected(); // it stops the reentrant operation
 665
 666         emit focusOutWidget(this);
 667       }
 668     }
 669     if (!anExternal) {
 670       double aX, aY;
 671       bool isProcessed = false;
 672       if (getPoint2d(aView, aShape, aX, aY) && isFeatureContainsPoint(myFeature, aX, aY)) {
 673         // when the point is selected, the coordinates of the point should be set into the attribute
 674         // if the feature contains the point, focus is not switched
 675         setPoint(aX, aY);
 676       }
 677       else {
 678         bool anOrphanPoint = isOrphanPoint(aSelectedFeature, mySketch, aX, aY);
 679         // do not set a coincidence constraint in the attribute if the feature contains a point
 680         // with the same coordinates. It is important for line creation in order to do not set
 681         // the same constraints for the same points, oterwise the result line has zero length.
 682         bool isAuxiliaryFeature = false;
 683         if (getPoint2d(aView, aShape, aX, aY)) {
 684           setPoint(aX, aY);
 685           setConstraintToPoint(aX, aY, aFirstValue);
 686         }
 687         else if (aShape.ShapeType() == TopAbs_EDGE) {
 688           // point is taken from mouse event and set in attribute. It should be done before setting
 689           // coinident constraint to the external line. If a point is created, it should be in
 690           // the mouse clicked point
 691           gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 692           PartSet_Tools::convertTo2D(aPoint, mySketch, aView, aX, aY);
 693           setPoint(aX, aY);
 694           setConstraintToObject(aObject);
 695           setValueState(Stored); // in case of edge selection, Apply state should also be updated
 696           isAuxiliaryFeature = PartSet_Tools::isAuxiliarySketchEntity(aObject);
 697         }
 698         // it is important to perform updateObject() in order to the current value is
 699         // processed by Sketch Solver. Test case: line is created from a previous point
 700         // to some distance, but in the area of the highlighting of the point. Constraint
 701         // coincidence is created, after the solver is performed, the distance between the
 702         // points of the line becomes less than the tolerance. Validator of the line returns
 703         // false, the line will be aborted, but sketch stays valid.
 704         updateObject(feature());
 705         if (!anOrphanPoint && !anExternal && !isAuxiliaryFeature)
 706           emit vertexSelected();
 707         emit focusOutWidget(this);
 708       }
 709     }
 710   }
 711   // The selection could be a center of an external circular object
 712   else if (aFirstValue.get() && (!aFirstValue->interactive().IsNull())) {
 713     Handle(PartSet_CenterPrs) aAIS =
 714         Handle(PartSet_CenterPrs)::DownCast(aFirstValue->interactive());
 715     if (!aAIS.IsNull()) {
 716       gp_Pnt aPntComp = aAIS->Component()->Pnt();
 717       GeomVertexPtr aVertPtr(new GeomAPI_Vertex(aPntComp.X(), aPntComp.Y(), aPntComp.Z()));
 718       TopoDS_Shape aShape = aVertPtr->impl<TopoDS_Shape>();
 719
 720       ResultPtr aFixedObject =
 721           PartSet_Tools::findFixedObjectByExternal(aShape, aAIS->object(), mySketch);
 722       if (!aFixedObject.get())
 723         aFixedObject = PartSet_Tools::createFixedByExternalCenter(aAIS->object(), aAIS->edge(),
 724                                                                   aAIS->centerType(), mySketch);
 725       if (aFixedObject.get())
 726         setConstraintToObject(aFixedObject);
 727       // fignal updated should be flushed in order to visualize possible created
 728       // external objects e.g. selection of trihedron axis when input end arc point
 729       updateObject(feature());
 730
 731       double aX, aY;
 732       if (getPoint2d(aView, aShape, aX, aY)) {
 733         // do not create a constraint to the point, which already used by the feature
 734         // if the feature contains the point, focus is not switched
 735         setPoint(aX, aY);
 736       }
 737       emit vertexSelected(); // it stops the reentrant operation
 738       emit focusOutWidget(this);
 739     }
 740   }
 741   else {
 742     // A case when point is taken from mouse event
 743     gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 744     double aX, anY;
 745     PartSet_Tools::convertTo2D(aPoint, mySketch, aView, aX, anY);
 746
 747     // if the feature contains the point, focus is not switched
 748     if (!setPoint(aX, anY) || isFeatureContainsPoint(myFeature, aX, anY))
 749       return;
 750
 751     emit focusOutWidget(this);
 752   }
 753 }
 754
 755 void PartSet_WidgetPoint2D::setPreSelection(
 756                                const std::shared_ptr<ModuleBase_ViewerPrs>& thePreSelected,
 757                                ModuleBase_IViewWindow* theWnd,
 758                                QMouseEvent* theEvent)
 759 {
 760   myPreSelected = thePreSelected;
 761   mouseReleased(theWnd, theEvent);
 762   myPreSelected = ModuleBase_ViewerPrsPtr();
 763 }
 764
 765 void PartSet_WidgetPoint2D::getGeomSelection_(const std::shared_ptr<ModuleBase_ViewerPrs>& theValue,
 766                                               ObjectPtr& theObject,
 767                                               GeomShapePtr& theShape)
 768 {
 769   myExternalObjectMgr->getGeomSelection(theValue, theObject, theShape, myWorkshop, sketch(), true);
 770 }
 771
 772 void PartSet_WidgetPoint2D::mouseMoved(ModuleBase_IViewWindow* theWindow, QMouseEvent* theEvent)
 773 {
 774   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 775
 776   if (isEditingMode() || aModule->sketchReentranceMgr()->isInternalEditActive())
 777     return;
 778
 779   gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 780
 781   double aX, anY;
 782   PartSet_Tools::convertTo2D(aPoint, mySketch, theWindow->v3dView(), aX, anY);
 783   if (myState != ModifiedInViewer)
 784     storeCurentValue();
 785   // we need to block the value state change
 786   bool isBlocked = blockValueState(true);
 787   setPoint(aX, anY);
 788   blockValueState(isBlocked);
 789   setValueState(ModifiedInViewer);
 790 }
 791
 792 double PartSet_WidgetPoint2D::x() const
 793 {
 794   return myXSpin->value();
 795 }
 796
 797 double PartSet_WidgetPoint2D::y() const
 798 {
 799   return myYSpin->value();
 800 }
 801
 802
 803 bool PartSet_WidgetPoint2D::isFeatureContainsPoint(const FeaturePtr& theFeature,
 804                                                    double theX, double theY)
 805 {
 806   bool aPointIsFound = false;
 807
 808   if (feature()->getKind() != SketchPlugin_Line::ID())
 809     return aPointIsFound;
 810
 811   AttributePtr aWidgetAttribute = myFeature->attribute(attributeID());
 812
 813   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 814                                     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 815   std::list<AttributePtr> anAttributes =
 816                                 myFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 817   std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 818   for(; anIter != anAttributes.end() && !aPointIsFound; anIter++) {
 819     AttributePoint2DPtr aPoint2DAttribute =
 820       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 821     if (aPoint2DAttribute == aWidgetAttribute)
 822       continue;
 823     if (aPoint2DAttribute.get() && aPoint2DAttribute->isInitialized()) {
 824       aPointIsFound = aPoint2DAttribute->pnt()->isEqual(aPnt2d);
 825     }
 826   }
 827   return aPointIsFound;
 828 }
 829
 830 void PartSet_WidgetPoint2D::initializeValueByActivate()
 831 {
 832 }
 833
 834 /*void PartSet_WidgetPoint2D::onValuesChanged()
 835 {
 836   emit valuesChanged();
 837 }*/
 838
 839 bool PartSet_WidgetPoint2D::processEnter()
 840 {
 841   return false;
 842   /*bool isModified = getValueState() == ModifiedInPP;
 843   if (isModified) {
 844     bool isXModified = myXSpin->hasFocus();
 845     emit valuesChanged();
 846     if (isXModified)
 847       myXSpin->selectAll();
 848     else
 849       myYSpin->selectAll();
 850   }
 851   return isModified;*/
 852 }
 853
 854 bool PartSet_WidgetPoint2D::useSelectedShapes() const
 855 {
 856   return true;
 857 }
 858
 859 bool PartSet_WidgetPoint2D::isOrphanPoint(const FeaturePtr& theFeature,
 860                                           const CompositeFeaturePtr& theSketch,
 861                                           double theX, double theY)
 862 {
 863   bool anOrphanPoint = false;
 864   if (theFeature.get()) {
 865     AttributePoint2DPtr aPointAttr;
 866     std::string aFeatureKind = theFeature->getKind();
 867     if (aFeatureKind == SketchPlugin_Point::ID())
 868       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 869                                        theFeature->attribute(SketchPlugin_Point::COORD_ID()));
 870     else if (aFeatureKind == SketchPlugin_Circle::ID())
 871       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 872                                        theFeature->attribute(SketchPlugin_Circle::CENTER_ID()));
 873
 874     else if (aFeatureKind == SketchPlugin_Arc::ID())
 875       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 876                                        theFeature->attribute(SketchPlugin_Arc::CENTER_ID()));
 877
 878     /// check that the geometry point with the given coordinates is the checked point
 879     /// e.g. in arc the (x,y) point can not coicide to the center point and it automatically
 880     /// means that this point is not an orphant one.
 881     if (aPointAttr.get()) {
 882       std::shared_ptr<GeomAPI_Pnt2d> aCheckedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 883                                                     new GeomAPI_Pnt2d(theX, theY));
 884       if (!aCheckedPoint->isEqual(aPointAttr->pnt()))
 885         return anOrphanPoint;
 886     }
 887
 888     if (aPointAttr.get()) {
 889       std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointAttr->pnt();
 890       // we need to find coincidence features in results also, because external object(point)
 891       // uses refs to me in another feature.
 892       FeaturePtr aCoincidence = PartSet_Tools::findFirstCoincidence(theFeature, aPoint);
 893       anOrphanPoint = true;
 894       // if there is at least one concident line to the point, the point is not an orphant
 895       if (aCoincidence.get()) {
 896         QList<FeaturePtr> aCoinsideLines;
 897         QList<FeaturePtr> aCoins;
 898         QList<bool> anIsAttributes;
 899         PartSet_Tools::findCoincidences(aCoincidence, aCoinsideLines, aCoins,
 900                                         SketchPlugin_ConstraintCoincidence::ENTITY_A(),
 901                                         anIsAttributes);
 902         PartSet_Tools::findCoincidences(aCoincidence, aCoinsideLines, aCoins,
 903                                         SketchPlugin_ConstraintCoincidence::ENTITY_B(),
 904                                         anIsAttributes);
 905         QList<FeaturePtr>::const_iterator anIt = aCoinsideLines.begin(),
 906                                           aLast = aCoinsideLines.end();
 907         for (; anIt != aLast && anOrphanPoint; anIt++) {
 908           anOrphanPoint = (*anIt)->getKind() != SketchPlugin_Line::ID();
 909         }
 910       }
 911     }
 912   }
 913   return anOrphanPoint;
 914 }
 915
 916 bool PartSet_WidgetPoint2D::shapeExploreHasVertex(const GeomShapePtr& theShape,
 917                                                   const std::shared_ptr<GeomAPI_Pnt2d>& thePoint,
 918                                                   const CompositeFeaturePtr& theSketch)
 919 {
 920   std::shared_ptr<GeomAPI_Pnt> aPoint = PartSet_Tools::point3D(thePoint, theSketch);
 921
 922   bool aContainPoint = false;
 923   GeomAPI_ShapeExplorer anExp(theShape, GeomAPI_Shape::VERTEX);
 924   for(; anExp.more() && !aContainPoint; anExp.next()) {
 925     std::shared_ptr<GeomAPI_Shape> aVertexInCompSolid = anExp.current();
 926     std::shared_ptr<GeomAPI_Vertex> aVertex(new GeomAPI_Vertex(aVertexInCompSolid));
 927     if (aVertex.get())
 928       aContainPoint = aPoint->isEqual(aVertex->point());
 929   }
 930   return aContainPoint;
 931 }
 932
 933 AttributeRefAttrPtr PartSet_WidgetPoint2D::attributeRefAttr() const
 934 {
 935   AttributeRefAttrPtr anAttribute;
 936   if (myRefAttribute.empty())
 937     return anAttribute;
 938
 939   AttributePtr anAttributeRef = feature()->attribute(myRefAttribute);
 940   if (!anAttributeRef.get())
 941     return anAttribute;
 942
 943   return std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(anAttributeRef);
 944 }
 945
 946 void PartSet_WidgetPoint2D::fillRefAttribute(double theClickedX, double theClickedY,
 947                               const std::shared_ptr<ModuleBase_ViewerPrs>& theValue)
 948 {
 949   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 950   if (!aRefAttr.get())
 951     return;
 952
 953   FeaturePtr aFeature = feature();
 954   std::string anAttribute = attributeID();
 955
 956   if (aFeature.get()) {
 957     std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 958                                       new GeomAPI_Pnt2d(theClickedX, theClickedY));
 959     AttributePoint2DPtr aClickedFeaturePoint = findFirstEqualPointInSketch(mySketch,
 960                                                             aFeature, aClickedPoint);
 961     if (aClickedFeaturePoint.get())
 962       aRefAttr->setAttr(aClickedFeaturePoint);
 963     else {
 964       ObjectPtr anObject = getGeomSelection(theValue);
 965       if (anObject.get())
 966         aRefAttr->setObject(anObject);
 967     }
 968   }
 969 }
 970
 971 void PartSet_WidgetPoint2D::fillRefAttribute(const ModuleBase_ViewerPrsPtr& theValue)
 972 {
 973   fillRefAttribute(getGeomSelection(theValue));
 974 }
 975
 976 void PartSet_WidgetPoint2D::fillRefAttribute(const ObjectPtr& theObject)
 977 {
 978   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 979   if (aRefAttr.get())
 980     aRefAttr->setObject(theObject);
 981 }
 982
 983 std::shared_ptr<GeomDataAPI_Point2D> PartSet_WidgetPoint2D::findFirstEqualPointInArgumentFeatures(
 984                   const FeaturePtr& theFeature, const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
 985 {
 986   std::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint;
 987
 988   // may be feature is not updated yet, execute is not performed and references features
 989   // are not created. Case: rectangle macro feature
 990   ModuleBase_Tools::flushUpdated(theFeature);
 991
 992   std::list<AttributePtr> anAttributes = theFeature->data()->attributes(
 993                                           ModelAPI_AttributeRefList::typeId());
 994   std::list<AttributePtr>::const_iterator anIt = anAttributes.begin(), aLast = anAttributes.end();
 995   for (; anIt != aLast && !aFeaturePoint.get(); anIt++) {
 996     std::shared_ptr<ModelAPI_AttributeRefList> aCurSelList =
 997                                       std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(*anIt);
 998     for (int i = 0, aNb = aCurSelList->size(); i < aNb && !aFeaturePoint.get(); i++) {
 999       ObjectPtr anObject = aCurSelList->object(i);
1000       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
1001       if (aFeature.get())
1002         aFeaturePoint = findFirstEqualPoint(aFeature, thePoint);
1003     }
1004   }
1005   return aFeaturePoint;
1006 }
1007
1008 std::shared_ptr<GeomDataAPI_Point2D> PartSet_WidgetPoint2D::findFirstEqualPoint(
1009                                               const FeaturePtr& theFeature,
1010                                               const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
1011 {
1012   std::shared_ptr<GeomDataAPI_Point2D> aFPoint;
1013
1014   // find the given point in the feature attributes
1015   std::list<std::shared_ptr<ModelAPI_Attribute> > anAttiributes =
1016                                     theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
1017   std::list<std::shared_ptr<ModelAPI_Attribute> >::const_iterator anIt = anAttiributes.begin(),
1018       aLast = anAttiributes.end();
1019   ModelAPI_ValidatorsFactory* aValidators = ModelAPI_Session::get()->validators();
1020
1021   for (; anIt != aLast && !aFPoint; anIt++) {
1022     std::shared_ptr<GeomDataAPI_Point2D> aCurPoint =
1023                                              std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
1024     if (aCurPoint && aCurPoint->isInitialized() &&
1025         aValidators->isCase(theFeature, aCurPoint->id()) &&
1026         (aCurPoint->pnt()->distance(thePoint) < Precision::Confusion())) {
1027       aFPoint = aCurPoint;
1028       break;
1029     }
1030   }
1031   return aFPoint;
1032 }
1033
1034 std::shared_ptr<GeomDataAPI_Point2D> PartSet_WidgetPoint2D::findFirstEqualPointInSketch(
1035                                     const CompositeFeaturePtr& theSketch,
1036                                     const FeaturePtr& theSkipFeature,
1037                                     const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
1038 {
1039   // get all sketch features. If the point with the given coordinates belong to any sketch feature,
1040   // the constraint is created between the feature point and the found sketch point
1041   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
1042   std::shared_ptr<ModelAPI_AttributeRefList> aRefList = std::dynamic_pointer_cast<
1043       ModelAPI_AttributeRefList>(aData->attribute(SketchPlugin_Sketch::FEATURES_ID()));
1044
1045   std::list<ObjectPtr> aFeatures = aRefList->list();
1046   std::list<ObjectPtr>::const_iterator anIt = aFeatures.begin(), aLast = aFeatures.end();
1047   std::list<std::shared_ptr<ModelAPI_Attribute> > anAttiributes;
1048
1049   std::shared_ptr<GeomDataAPI_Point2D> aFPoint;
1050   for (; anIt != aLast; anIt++) {
1051     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anIt);
1052     if (!aFeature.get() || (theSkipFeature.get() && theSkipFeature == aFeature))
1053       continue;
1054     aFPoint = PartSet_WidgetPoint2D::findFirstEqualPoint(aFeature, thePoint);
1055     if (aFPoint.get())
1056       break;
1057   }
1058   return aFPoint;
1059 }
1060
1061 ObjectPtr PartSet_WidgetPoint2D::getGeomSelection(const ModuleBase_ViewerPrsPtr& theValue)
1062 {
1063   ObjectPtr anObject;
1064   GeomShapePtr aShape;
1065   ModuleBase_ISelection* aSelection = myWorkshop->selection();
1066   anObject = aSelection->getResult(theValue);
1067   aShape = aSelection->getShape(theValue);
1068   myExternalObjectMgr->getGeomSelection(theValue, anObject, aShape, myWorkshop, sketch(), true);
1069
1070   return anObject;
1071 }