src/PartSet/PartSet_WidgetPoint2d.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        PartSet_WidgetPoint2D.cpp
   4 // Created:     25 Apr 2014
   5 // Author:      Natalia ERMOLAEVA
   6
   7 #include "PartSet_WidgetPoint2d.h"
   8 #include <PartSet_Tools.h>
   9 #include <PartSet_Module.h>
  10
  11 #include <ModuleBase_ParamSpinBox.h>
  12 #include <ModuleBase_Tools.h>
  13 #include <ModuleBase_IViewer.h>
  14 #include <ModuleBase_IViewWindow.h>
  15 #include <ModuleBase_ISelection.h>
  16
  17 #include <Config_Keywords.h>
  18 #include <Config_WidgetAPI.h>
  19
  20 #include <Events_Loop.h>
  21 #include <ModelAPI_Events.h>
  22
  23 #include <ModelAPI_Feature.h>
  24 #include <ModelAPI_Data.h>
  25 #include <ModelAPI_Object.h>
  26 #include <GeomDataAPI_Point2D.h>
  27 #include <GeomAPI_Pnt2d.h>
  28
  29 #include <SketchPlugin_Feature.h>
  30 #include <SketchPlugin_ConstraintCoincidence.h>
  31 #include <SketchPlugin_Line.h>
  32 #include <SketchPlugin_Arc.h>
  33 #include <SketchPlugin_Circle.h>
  34 #include <SketchPlugin_Point.h>
  35
  36 #include <QGroupBox>
  37 #include <QGridLayout>
  38 #include <QLabel>
  39 #include <QEvent>
  40 #include <QMouseEvent>
  41 #include <QApplication>
  42
  43 #include <TopoDS.hxx>
  44 #include <TopoDS_Vertex.hxx>
  45 #include <BRep_Tool.hxx>
  46
  47 #include <cfloat>
  48 #include <climits>
  49
  50 const double MaxCoordinate = 1e12;
  51
  52 static QStringList MyFeaturesForCoincedence;
  53
  54 PartSet_WidgetPoint2D::PartSet_WidgetPoint2D(QWidget* theParent,
  55                                              ModuleBase_IWorkshop* theWorkshop,
  56                                              const Config_WidgetAPI* theData,
  57                                              const std::string& theParentId)
  58  : ModuleBase_ModelWidget(theParent, theData, theParentId), myWorkshop(theWorkshop)
  59 {
  60   if (MyFeaturesForCoincedence.isEmpty()) {
  61     MyFeaturesForCoincedence << SketchPlugin_Line::ID().c_str()
  62       << SketchPlugin_Arc::ID().c_str()
  63       << SketchPlugin_Point::ID().c_str()
  64       << SketchPlugin_Circle::ID().c_str();
  65   }
  66
  67   // the control should accept the focus, so the boolean flag is corrected to be true
  68   myIsObligatory = true;
  69   //myOptionParam = theData->getProperty(PREVIOUS_FEATURE_PARAM);
  70   QString aPageName = QString::fromStdString(theData->getProperty(CONTAINER_PAGE_NAME));
  71   myGroupBox = new QGroupBox(aPageName, theParent);
  72   myGroupBox->setFlat(false);
  73
  74   bool aAcceptVariables = theData->getBooleanAttribute(DOUBLE_WDG_ACCEPT_EXPRESSIONS, true);
  75
  76   QGridLayout* aGroupLay = new QGridLayout(myGroupBox);
  77   ModuleBase_Tools::adjustMargins(aGroupLay);
  78   aGroupLay->setSpacing(2);
  79   aGroupLay->setColumnStretch(1, 1);
  80   {
  81     QLabel* aLabel = new QLabel(myGroupBox);
  82     aLabel->setText(tr("X "));
  83     aGroupLay->addWidget(aLabel, 0, 0);
  84
  85     myXSpin = new ModuleBase_ParamSpinBox(myGroupBox);
  86     myXSpin->setAcceptVariables(aAcceptVariables);
  87     myXSpin->setMinimum(-DBL_MAX);
  88     myXSpin->setMaximum(DBL_MAX);
  89     myXSpin->setToolTip(tr("X"));
  90     aGroupLay->addWidget(myXSpin, 0, 1);
  91
  92     connect(myXSpin, SIGNAL(valueChanged(const QString&)), this, SIGNAL(valuesModified()));
  93   }
  94   {
  95     QLabel* aLabel = new QLabel(myGroupBox);
  96     aLabel->setText(tr("Y "));
  97     aGroupLay->addWidget(aLabel, 1, 0);
  98
  99     myYSpin = new ModuleBase_ParamSpinBox(myGroupBox);
 100     myYSpin->setAcceptVariables(aAcceptVariables);
 101     myYSpin->setMinimum(-DBL_MAX);
 102     myYSpin->setMaximum(DBL_MAX);
 103     myYSpin->setToolTip(tr("Y"));
 104     aGroupLay->addWidget(myYSpin, 1, 1);
 105
 106     connect(myYSpin, SIGNAL(valueChanged(const QString&)), this, SIGNAL(valuesModified()));
 107   }
 108   QVBoxLayout* aLayout = new QVBoxLayout(this);
 109   ModuleBase_Tools::zeroMargins(aLayout);
 110   aLayout->addWidget(myGroupBox);
 111   setLayout(aLayout);
 112 }
 113
 114 bool PartSet_WidgetPoint2D::resetCustom()
 115 {
 116   bool aDone = false;
 117   if (!isUseReset() || isComputedDefault() || myXSpin->hasVariable() || myYSpin->hasVariable()) {
 118     aDone = false;
 119   }
 120   else {
 121     bool isOk;
 122     double aDefValue = QString::fromStdString(getDefaultValue()).toDouble(&isOk);
 123     // it is important to block the spin box control in order to do not through out the
 124     // locking of the validating state.
 125     ModuleBase_Tools::setSpinValue(myXSpin, isOk ? aDefValue : 0.0);
 126     ModuleBase_Tools::setSpinValue(myYSpin, isOk ? aDefValue : 0.0);
 127     storeValueCustom();
 128     aDone = true;
 129   }
 130   return aDone;
 131 }
 132
 133 PartSet_WidgetPoint2D::~PartSet_WidgetPoint2D()
 134 {
 135 }
 136
 137 bool PartSet_WidgetPoint2D::setSelection(QList<ModuleBase_ViewerPrs>& theValues,
 138                                          const bool theToValidate)
 139 {
 140   bool isDone = false;
 141   if (theValues.empty())
 142     return isDone;
 143
 144   ModuleBase_ViewerPrs aValue = theValues.takeFirst();
 145   TopoDS_Shape aShape = aValue.shape();
 146   if (!aShape.IsNull()) {
 147     Handle(V3d_View) aView = myWorkshop->viewer()->activeView();
 148     double aX, aY;
 149     if (getPoint2d(aView, aShape, aX, aY)) {
 150       isDone = setPoint(aX, aY);
 151       PartSet_Tools::setConstraints(mySketch, feature(), attributeID(), aX, aY);
 152     }
 153   }
 154   else if (canBeActivatedByMove()) {
 155     if (feature()->getKind() == SketchPlugin_Line::ID()) {
 156       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aValue.object());
 157       // Initialize new line with first point equal to end of previous
 158       if (aFeature.get()) {
 159         std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 160         std::shared_ptr<GeomDataAPI_Point2D> aPoint =
 161           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 162                                        aData->attribute(SketchPlugin_Line::END_ID()));
 163         if (aPoint) {
 164           setPoint(aPoint->x(), aPoint->y());
 165           PartSet_Tools::setConstraints(mySketch, feature(), attributeID(), aPoint->x(),
 166                                         aPoint->y());
 167           isDone = true;
 168         }
 169       }
 170     }
 171   }
 172   return isDone;
 173 }
 174
 175 void PartSet_WidgetPoint2D::selectContent()
 176 {
 177   myXSpin->selectAll();
 178 }
 179
 180 bool PartSet_WidgetPoint2D::setPoint(double theX, double theY)
 181 {
 182   if (fabs(theX) >= MaxCoordinate)
 183     return false;
 184   if (fabs(theY) >= MaxCoordinate)
 185     return false;
 186
 187   ModuleBase_Tools::setSpinValue(myXSpin, theX);
 188   ModuleBase_Tools::setSpinValue(myYSpin, theY);
 189
 190   storeValue();
 191   return true;
 192 }
 193
 194 bool PartSet_WidgetPoint2D::storeValueCustom() const
 195 {
 196   std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 197   if (!aData) // can be on abort of sketcher element
 198     return false;
 199   std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 200       aData->attribute(attributeID()));
 201
 202   PartSet_WidgetPoint2D* that = (PartSet_WidgetPoint2D*) this;
 203   bool isBlocked = that->blockSignals(true);
 204   bool isImmutable = aPoint->setImmutable(true);
 205
 206   // if text is not empty then setValue will be ignored
 207   // so we should set the text at first
 208   aPoint->setText(myXSpin->hasVariable() ? myXSpin->text().toStdString() : "",
 209                   myYSpin->hasVariable() ? myYSpin->text().toStdString() : "");
 210   aPoint->setValue(!myXSpin->hasVariable() ? myXSpin->value() : aPoint->x(),
 211                    !myYSpin->hasVariable() ? myYSpin->value() : aPoint->y());
 212
 213   // after movement the solver will call the update event: optimization
 214   moveObject(myFeature);
 215   aPoint->setImmutable(isImmutable);
 216   that->blockSignals(isBlocked);
 217
 218   return true;
 219 }
 220
 221 bool PartSet_WidgetPoint2D::restoreValueCustom()
 222 {
 223   std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 224   std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 225       aData->attribute(attributeID()));
 226   QString aTextX = QString::fromStdString(aPoint->textX());
 227   QString aTextY = QString::fromStdString(aPoint->textY());
 228
 229   bool isDouble = false;
 230   double aVal = 0;
 231   if (aTextX.isEmpty()) {
 232     ModuleBase_Tools::setSpinValue(myXSpin, aPoint->x());
 233   } else {
 234     aVal = aTextX.toDouble(&isDouble);
 235     if (isDouble)
 236       ModuleBase_Tools::setSpinValue(myXSpin, aVal);
 237     else
 238       ModuleBase_Tools::setSpinText(myXSpin, aTextX);
 239   }
 240   if (aTextY.isEmpty()) {
 241     ModuleBase_Tools::setSpinValue(myYSpin, aPoint->y());
 242   } else {
 243     aVal = aTextY.toDouble(&isDouble);
 244     if (isDouble)
 245       ModuleBase_Tools::setSpinValue(myYSpin, aVal);
 246     else
 247       ModuleBase_Tools::setSpinText(myYSpin, aTextY);
 248   }
 249   //if (aTextX.empty() || aTextY.empty()) {
 250   //  ModuleBase_Tools::setSpinValue(myXSpin, aPoint->x());
 251   //  ModuleBase_Tools::setSpinValue(myYSpin, aPoint->y());
 252   //} else {
 253   //  ModuleBase_Tools::setSpinText(myXSpin, QString::fromStdString(aTextX));
 254   //  ModuleBase_Tools::setSpinText(myYSpin, QString::fromStdString(aTextY));
 255   //}
 256   return true;
 257 }
 258
 259 QList<QWidget*> PartSet_WidgetPoint2D::getControls() const
 260 {
 261   QList<QWidget*> aControls;
 262   aControls.append(myXSpin);
 263   aControls.append(myYSpin);
 264   return aControls;
 265 }
 266
 267
 268 void PartSet_WidgetPoint2D::activateCustom()
 269 {
 270   ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 271   connect(aViewer, SIGNAL(mouseMove(ModuleBase_IViewWindow*, QMouseEvent*)),
 272           this, SLOT(onMouseMove(ModuleBase_IViewWindow*, QMouseEvent*)));
 273   connect(aViewer, SIGNAL(mouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)),
 274           this, SLOT(onMouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)));
 275
 276   QIntList aModes;
 277   aModes << TopAbs_VERTEX;
 278   aModes << TopAbs_EDGE;
 279   myWorkshop->activateSubShapesSelection(aModes);
 280
 281   if (!isEditingMode()) {
 282     FeaturePtr aFeature = feature();
 283     if (aFeature.get() && aFeature->getKind() == SketchPlugin_Point::ID())
 284       storeValue();
 285   }
 286 }
 287
 288 bool PartSet_WidgetPoint2D::canBeActivatedByMove()
 289 {
 290   bool aCanBeActivated = false;
 291   if (feature()->getKind() == SketchPlugin_Line::ID() &&
 292       attributeID() == SketchPlugin_Line::START_ID())
 293     aCanBeActivated = true;
 294
 295   return aCanBeActivated;
 296 }
 297
 298 void PartSet_WidgetPoint2D::deactivate()
 299 {
 300   // the value of the control should be stored to model if it was not
 301   // initialized yet. It is important when we leave this control by Tab key.
 302   // It should not be performed by the widget activation as the preview
 303   // is visualized with default value. Line point is moved to origin.
 304   AttributePtr anAttribute = myFeature->data()->attribute(attributeID());
 305   if (anAttribute && !anAttribute->isInitialized())
 306     storeValue();
 307
 308   ModuleBase_ModelWidget::deactivate();
 309   ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 310   disconnect(aViewer, SIGNAL(mouseMove(ModuleBase_IViewWindow*, QMouseEvent*)),
 311              this, SLOT(onMouseMove(ModuleBase_IViewWindow*, QMouseEvent*)));
 312   disconnect(aViewer, SIGNAL(mouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)),
 313              this, SLOT(onMouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)));
 314
 315   myWorkshop->deactivateSubShapesSelection();
 316 }
 317
 318 bool PartSet_WidgetPoint2D::getPoint2d(const Handle(V3d_View)& theView,
 319                                        const TopoDS_Shape& theShape,
 320                                        double& theX, double& theY) const
 321 {
 322   if (!theShape.IsNull()) {
 323     if (theShape.ShapeType() == TopAbs_VERTEX) {
 324       const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 325       if (!aVertex.IsNull()) {
 326         // A case when point is taken from existing vertex
 327         gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 328         PartSet_Tools::convertTo2D(aPoint, mySketch, theView, theX, theY);
 329         return true;
 330       }
 331     }
 332   }
 333   return false;
 334 }
 335
 336 void PartSet_WidgetPoint2D::setConstraintWith(const ObjectPtr& theObject)
 337 {
 338   // Create point-edge coincedence
 339   FeaturePtr aFeature = mySketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 340   std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 341
 342   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 343       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 344   AttributePtr aThisAttr = feature()->data()->attribute(attributeID());
 345   std::shared_ptr<GeomDataAPI_Point2D> aThisPoint =
 346     std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aThisAttr);
 347   aRef1->setAttr(aThisPoint);
 348
 349   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 350       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 351   aRef2->setObject(theObject);
 352
 353   aFeature->execute();
 354 }
 355
 356 void PartSet_WidgetPoint2D::onMouseRelease(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 357 {
 358   // the contex menu release by the right button should not be processed by this widget
 359   if (theEvent->button() != Qt::LeftButton)
 360     return;
 361
 362   ModuleBase_ISelection* aSelection = myWorkshop->selection();
 363   Handle(V3d_View) aView = theWnd->v3dView();
 364   // TODO: This fragment doesn't work because bug in OCC Viewer. It can be used after fixing.
 365   NCollection_List<TopoDS_Shape> aShapes;
 366   std::list<ObjectPtr> aObjects;
 367   aSelection->selectedShapes(aShapes, aObjects);
 368   // if we have selection and use it
 369   if (aShapes.Extent() > 0 && useSelectedShapes()) {
 370     TopoDS_Shape aShape = aShapes.First();
 371     ObjectPtr aObject = aObjects.front();
 372     FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(aObject);
 373     bool anExternal = false;
 374     std::shared_ptr<SketchPlugin_Feature> aSPFeature;
 375     if (aSelectedFeature.get() != NULL)
 376       aSPFeature = std::dynamic_pointer_cast<SketchPlugin_Feature>(aSelectedFeature);
 377       if ((!aSPFeature && !aShape.IsNull()) ||
 378           (aSPFeature.get() && aSPFeature->isExternal())) {
 379         anExternal = true;
 380         ResultPtr aFixedObject = PartSet_Tools::findFixedObjectByExternal(aShape, aObject, mySketch);
 381         if (!aFixedObject.get())
 382           aFixedObject = PartSet_Tools::createFixedObjectByExternal(aShape, aObject, mySketch);
 383
 384         double aX, aY;
 385         if (getPoint2d(aView, aShape, aX, aY) && isFeatureContainsPoint(myFeature, aX, aY)) {
 386           // do not create a constraint to the point, which already used by the feature
 387           // if the feature contains the point, focus is not switched
 388           setPoint(aX, aY);
 389         }
 390         else {
 391           if (getPoint2d(aView, aShape, aX, aY))
 392             setPoint(aX, aY);
 393           else
 394             setValueState(Stored); // in case of edge selection, Apply state should also be updated
 395           bool anOrphanPoint = aShape.ShapeType() == TopAbs_VERTEX ||
 396                                isOrphanPoint(aSelectedFeature, mySketch, aX, aY);
 397           if (anExternal) {
 398             anOrphanPoint = true; // we should not stop reentrant operation on external objects because
 399             // they are not participate in the contour creation excepting external vertices
 400             if (aShape.ShapeType() == TopAbs_VERTEX) {
 401               FeaturePtr aFixedFeature = ModelAPI_Feature::feature(aFixedObject);
 402               if (aFixedFeature.get() && aFixedFeature->getKind() == SketchPlugin_Point::ID()) {
 403                 anOrphanPoint = isOrphanPoint(aFixedFeature, mySketch, aX, aY, true);
 404               }
 405             }
 406           }
 407
 408           setConstraintWith(aFixedObject);
 409           // fignal updated should be flushed in order to visualize possible created external objects
 410           // e.g. selection of trihedron axis when input end arc point
 411           updateObject(feature());
 412
 413           if (!anOrphanPoint)
 414             emit vertexSelected(); // it stops the reentrant operation
 415
 416           emit focusOutWidget(this);
 417         }
 418       }
 419     if (!anExternal) {
 420       double aX, aY;
 421       bool isProcessed = false;
 422       if (getPoint2d(aView, aShape, aX, aY) && isFeatureContainsPoint(myFeature, aX, aY)) {
 423         // when the point is selected, the coordinates of the point should be set into the attribute
 424         // if the feature contains the point, focus is not switched
 425         setPoint(aX, aY);
 426       }
 427       else {
 428         bool anOrphanPoint = isOrphanPoint(aSelectedFeature, mySketch, aX, aY);
 429         // do not set a coincidence constraint in the attribute if the feature contains a point
 430         // with the same coordinates. It is important for line creation in order to do not set
 431         // the same constraints for the same points, oterwise the result line has zero length.
 432         if (getPoint2d(aView, aShape, aX, aY)) {
 433           setPoint(aX, aY);
 434           PartSet_Tools::setConstraints(mySketch, feature(), attributeID(), aX, aY);
 435         }
 436         else if (aShape.ShapeType() == TopAbs_EDGE) {
 437           if (MyFeaturesForCoincedence.contains(myFeature->getKind().c_str())) {
 438             setConstraintWith(aObject);
 439             setValueState(Stored); // in case of edge selection, Apply state should also be updated
 440           }
 441         }
 442         // it is important to perform updateObject() in order to the current value is
 443         // processed by Sketch Solver. Test case: line is created from a previous point
 444         // to some distance, but in the area of the highlighting of the point. Constraint
 445         // coincidence is created, after the solver is performed, the distance between the
 446         // points of the line becomes less than the tolerance. Validator of the line returns
 447         // false, the line will be aborted, but sketch stays valid.
 448         updateObject(feature());
 449         if (!anOrphanPoint && !anExternal)
 450           emit vertexSelected();
 451         emit focusOutWidget(this);
 452       }
 453     }
 454   }
 455   // End of Bug dependent fragment
 456   else {
 457     // A case when point is taken from mouse event
 458     gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWnd->v3dView());
 459     double aX, anY;
 460     PartSet_Tools::convertTo2D(aPoint, mySketch, aView, aX, anY);
 461
 462     // if the feature contains the point, focus is not switched
 463     if (!setPoint(aX, anY) || isFeatureContainsPoint(myFeature, aX, anY))
 464       return;
 465
 466     /// Start alternative code
 467     //std::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint = std::dynamic_pointer_cast<
 468     //    GeomDataAPI_Point2D>(feature()->data()->attribute(attributeID()));
 469     //QList<FeaturePtr> aIgnore;
 470     //aIgnore.append(feature());
 471
 472     //double aTolerance = aView->Convert(7);
 473     //std::shared_ptr<GeomDataAPI_Point2D> aAttrPnt =
 474     //  PartSet_Tools::findAttributePoint(mySketch, aX, anY, aTolerance, aIgnore);
 475     //if (aAttrPnt.get() != NULL) {
 476     //  aFeaturePoint->setValue(aAttrPnt->pnt());
 477     //  PartSet_Tools::createConstraint(mySketch, aAttrPnt, aFeaturePoint);
 478     //  emit vertexSelected();
 479     //}
 480     /// End alternative code
 481     emit focusOutWidget(this);
 482   }
 483 }
 484
 485
 486 void PartSet_WidgetPoint2D::onMouseMove(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 487 {
 488   if (isEditingMode())
 489     return;
 490
 491   gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWnd->v3dView());
 492
 493   double aX, anY;
 494   PartSet_Tools::convertTo2D(aPoint, mySketch, theWnd->v3dView(), aX, anY);
 495   // we need to block the value state change
 496   bool isBlocked = blockValueState(true);
 497   setPoint(aX, anY);
 498   blockValueState(isBlocked);
 499   setValueState(ModifiedInViewer);
 500 }
 501
 502 double PartSet_WidgetPoint2D::x() const
 503 {
 504   return myXSpin->value();
 505 }
 506
 507 double PartSet_WidgetPoint2D::y() const
 508 {
 509   return myYSpin->value();
 510 }
 511
 512
 513 bool PartSet_WidgetPoint2D::isFeatureContainsPoint(const FeaturePtr& theFeature,
 514                                                    double theX, double theY)
 515 {
 516   bool aPointIsFound = false;
 517
 518   if (feature()->getKind() != SketchPlugin_Line::ID())
 519     return aPointIsFound;
 520
 521   AttributePtr aWidgetAttribute = myFeature->attribute(attributeID());
 522
 523   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 524                                     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 525   std::list<AttributePtr> anAttributes =
 526                                 myFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 527   std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 528   for(; anIter != anAttributes.end() && !aPointIsFound; anIter++) {
 529     AttributePoint2DPtr aPoint2DAttribute =
 530       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 531     if (aPoint2DAttribute == aWidgetAttribute)
 532       continue;
 533     if (aPoint2DAttribute.get() && aPoint2DAttribute->isInitialized()) {
 534       aPointIsFound = aPoint2DAttribute->pnt()->isEqual(aPnt2d);
 535     }
 536   }
 537   return aPointIsFound;
 538 }
 539
 540 void PartSet_WidgetPoint2D::initializeValueByActivate()
 541 {
 542 }
 543
 544 /*void PartSet_WidgetPoint2D::onValuesChanged()
 545 {
 546   emit valuesChanged();
 547 }*/
 548
 549 bool PartSet_WidgetPoint2D::processEnter()
 550 {
 551   bool isModified = getValueState() == ModifiedInPP;
 552   if (isModified) {
 553     bool isXModified = myXSpin->hasFocus();
 554     emit valuesChanged();
 555     if (isXModified)
 556       myXSpin->selectAll();
 557     else
 558       myYSpin->selectAll();
 559   }
 560   return isModified;
 561 }
 562
 563 bool PartSet_WidgetPoint2D::useSelectedShapes() const
 564 {
 565   return true;
 566 }
 567
 568 bool PartSet_WidgetPoint2D::isOrphanPoint(const FeaturePtr& theFeature,
 569                                           const CompositeFeaturePtr& theSketch,
 570                                           double theX, double theY, const bool theSearchInResults)
 571 {
 572   bool anOrphanPoint = false;
 573   if (theFeature.get()) {
 574     std::shared_ptr<GeomDataAPI_Point2D> aPointAttr;
 575     std::string aFeatureKind = theFeature->getKind();
 576     if (aFeatureKind == SketchPlugin_Point::ID())
 577       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 578                                        theFeature->attribute(SketchPlugin_Point::COORD_ID()));
 579     else if (aFeatureKind == SketchPlugin_Circle::ID())
 580       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 581                                        theFeature->attribute(SketchPlugin_Circle::CENTER_ID()));
 582
 583     else if (aFeatureKind == SketchPlugin_Arc::ID())
 584       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 585                                        theFeature->attribute(SketchPlugin_Arc::CENTER_ID()));
 586
 587     /// check that the geometry point with the given coordinates is the checked point
 588     /// e.g. in arc the (x,y) point can not coicide to the center point and it automatically
 589     /// means that this point is not an orphant one.
 590     if (aPointAttr.get()) {
 591       std::shared_ptr<GeomAPI_Pnt2d> aCheckedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 592                                                     new GeomAPI_Pnt2d(theX, theY));
 593       if (!aCheckedPoint->isEqual(aPointAttr->pnt()))
 594         return anOrphanPoint;
 595     }
 596
 597     if (aPointAttr.get()) {
 598       std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointAttr->pnt();
 599       // we need to find coincidence features in results also, because external object(point)
 600       // uses refs to me in another feature.
 601       FeaturePtr aCoincidence = PartSet_Tools::findFirstCoincidence(theFeature, aPoint, theSearchInResults);
 602       anOrphanPoint = true;
 603       // if there is at least one concident line to the point, the point is not an orphant
 604       if (aCoincidence.get()) {
 605         QList<FeaturePtr> aCoinsideLines;
 606         PartSet_Tools::findCoincidences(aCoincidence, aCoinsideLines,
 607                                         SketchPlugin_ConstraintCoincidence::ENTITY_A());
 608         PartSet_Tools::findCoincidences(aCoincidence, aCoinsideLines,
 609                                         SketchPlugin_ConstraintCoincidence::ENTITY_B());
 610         QList<FeaturePtr>::const_iterator anIt = aCoinsideLines.begin(),
 611                                           aLast = aCoinsideLines.end();
 612         for (; anIt != aLast && anOrphanPoint; anIt++) {
 613           anOrphanPoint = (*anIt)->getKind() != SketchPlugin_Line::ID();
 614         }
 615       }
 616     }
 617   }
 618   return anOrphanPoint;
 619 }