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 <XGUI_Tools.h>
  12 #include <XGUI_Workshop.h>
  13 #include <XGUI_Displayer.h>
  14
  15 #include <ModuleBase_ParamSpinBox.h>
  16 #include <ModuleBase_Tools.h>
  17 #include <ModuleBase_IViewer.h>
  18 #include <ModuleBase_IViewWindow.h>
  19 #include <ModuleBase_ISelection.h>
  20
  21 #include <Config_Keywords.h>
  22 #include <Config_WidgetAPI.h>
  23
  24 #include <Events_Loop.h>
  25 #include <ModelAPI_Events.h>
  26 #include <ModelAPI_AttributeBoolean.h>
  27
  28 #include <ModelAPI_Feature.h>
  29 #include <ModelAPI_Data.h>
  30 #include <ModelAPI_Object.h>
  31 #include <GeomDataAPI_Point2D.h>
  32 #include <GeomAPI_Pnt2d.h>
  33
  34 #include <SketchPlugin_Feature.h>
  35 #include <SketchPlugin_ConstraintCoincidence.h>
  36 #include <SketchPlugin_Line.h>
  37 #include <SketchPlugin_Arc.h>
  38 #include <SketchPlugin_Circle.h>
  39 #include <SketchPlugin_Point.h>
  40
  41 #include <QGroupBox>
  42 #include <QGridLayout>
  43 #include <QLabel>
  44 #include <QEvent>
  45 #include <QMouseEvent>
  46 #include <QApplication>
  47
  48 #include <TopoDS.hxx>
  49 #include <TopoDS_Vertex.hxx>
  50 #include <BRep_Tool.hxx>
  51
  52 #include <cfloat>
  53 #include <climits>
  54
  55 const double MaxCoordinate = 1e12;
  56
  57 static QStringList MyFeaturesForCoincedence;
  58
  59 PartSet_WidgetPoint2D::PartSet_WidgetPoint2D(QWidget* theParent,
  60                                              ModuleBase_IWorkshop* theWorkshop,
  61                                              const Config_WidgetAPI* theData)
  62 : ModuleBase_ModelWidget(theParent, theData), myWorkshop(theWorkshop),
  63   myValueIsCashed(false), myIsFeatureVisibleInCash(true),
  64   myXValueInCash(0), myYValueInCash(0)
  65 {
  66   if (MyFeaturesForCoincedence.isEmpty()) {
  67     MyFeaturesForCoincedence << SketchPlugin_Line::ID().c_str()
  68       << SketchPlugin_Arc::ID().c_str()
  69       << SketchPlugin_Point::ID().c_str()
  70       << SketchPlugin_Circle::ID().c_str();
  71   }
  72
  73   // the control should accept the focus, so the boolean flag is corrected to be true
  74   myIsObligatory = true;
  75   //myOptionParam = theData->getProperty(PREVIOUS_FEATURE_PARAM);
  76   QString aPageName = QString::fromStdString(theData->getProperty(CONTAINER_PAGE_NAME));
  77   myGroupBox = new QGroupBox(aPageName, theParent);
  78   myGroupBox->setFlat(false);
  79
  80   bool aAcceptVariables = theData->getBooleanAttribute(DOUBLE_WDG_ACCEPT_EXPRESSIONS, true);
  81
  82   QGridLayout* aGroupLay = new QGridLayout(myGroupBox);
  83   ModuleBase_Tools::adjustMargins(aGroupLay);
  84   aGroupLay->setSpacing(2);
  85   aGroupLay->setColumnStretch(1, 1);
  86   {
  87     QLabel* aLabel = new QLabel(myGroupBox);
  88     aLabel->setText(tr("X "));
  89     aGroupLay->addWidget(aLabel, 0, 0);
  90
  91     myXSpin = new ModuleBase_ParamSpinBox(myGroupBox);
  92     myXSpin->setAcceptVariables(aAcceptVariables);
  93     myXSpin->setMinimum(-DBL_MAX);
  94     myXSpin->setMaximum(DBL_MAX);
  95     myXSpin->setToolTip(tr("X"));
  96     aGroupLay->addWidget(myXSpin, 0, 1);
  97
  98     connect(myXSpin, SIGNAL(valueChanged(const QString&)), this, SIGNAL(valuesModified()));
  99   }
 100   {
 101     QLabel* aLabel = new QLabel(myGroupBox);
 102     aLabel->setText(tr("Y "));
 103     aGroupLay->addWidget(aLabel, 1, 0);
 104
 105     myYSpin = new ModuleBase_ParamSpinBox(myGroupBox);
 106     myYSpin->setAcceptVariables(aAcceptVariables);
 107     myYSpin->setMinimum(-DBL_MAX);
 108     myYSpin->setMaximum(DBL_MAX);
 109     myYSpin->setToolTip(tr("Y"));
 110     aGroupLay->addWidget(myYSpin, 1, 1);
 111
 112     connect(myYSpin, SIGNAL(valueChanged(const QString&)), this, SIGNAL(valuesModified()));
 113   }
 114   QVBoxLayout* aLayout = new QVBoxLayout(this);
 115   ModuleBase_Tools::zeroMargins(aLayout);
 116   aLayout->addWidget(myGroupBox);
 117   setLayout(aLayout);
 118 }
 119
 120 bool PartSet_WidgetPoint2D::resetCustom()
 121 {
 122   bool aDone = false;
 123   if (!isUseReset() || isComputedDefault() || myXSpin->hasVariable() || myYSpin->hasVariable()) {
 124     aDone = false;
 125   }
 126   else {
 127     if (myValueIsCashed) {
 128       // if the restored value should be hidden, aDone = true to set
 129       // reset state for the widget in the parent
 130       aDone = restoreCurentValue();
 131     }
 132     else {
 133       bool isOk;
 134       double aDefValue = QString::fromStdString(getDefaultValue()).toDouble(&isOk);
 135       // it is important to block the spin box control in order to do not through out the
 136       // locking of the validating state.
 137       ModuleBase_Tools::setSpinValue(myXSpin, isOk ? aDefValue : 0.0);
 138       ModuleBase_Tools::setSpinValue(myYSpin, isOk ? aDefValue : 0.0);
 139       storeValueCustom();
 140       aDone = true;
 141     }
 142   }
 143   return aDone;
 144 }
 145
 146 PartSet_WidgetPoint2D::~PartSet_WidgetPoint2D()
 147 {
 148 }
 149
 150 bool PartSet_WidgetPoint2D::setSelection(QList<ModuleBase_ViewerPrs>& theValues,
 151                                          const bool theToValidate)
 152 {
 153   bool isDone = false;
 154   if (theValues.empty())
 155     return isDone;
 156
 157   ModuleBase_ViewerPrs aValue = theValues.takeFirst();
 158   GeomShapePtr aShape = aValue.shape();
 159   if (aShape.get() && !aShape->isNull()) {
 160     Handle(V3d_View) aView = myWorkshop->viewer()->activeView();
 161     double aX, aY;
 162     const TopoDS_Shape& aTDShape = aShape->impl<TopoDS_Shape>();
 163     if (getPoint2d(aView, aTDShape, aX, aY)) {
 164       isDone = setPoint(aX, aY);
 165       PartSet_Tools::setConstraints(mySketch, feature(), attributeID(), aX, aY);
 166     }
 167   }
 168   else if (canBeActivatedByMove()) {
 169     if (feature()->getKind() == SketchPlugin_Line::ID()) {
 170       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aValue.object());
 171       // Initialize new line with first point equal to end of previous
 172       if (aFeature.get()) {
 173         std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 174         std::shared_ptr<GeomDataAPI_Point2D> aPoint =
 175           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 176                                        aData->attribute(SketchPlugin_Line::END_ID()));
 177         if (aPoint) {
 178           setPoint(aPoint->x(), aPoint->y());
 179           PartSet_Tools::setConstraints(mySketch, feature(), attributeID(), aPoint->x(),
 180                                         aPoint->y());
 181           isDone = true;
 182         }
 183       }
 184     }
 185   }
 186   return isDone;
 187 }
 188
 189 void PartSet_WidgetPoint2D::selectContent()
 190 {
 191   myXSpin->selectAll();
 192 }
 193
 194 bool PartSet_WidgetPoint2D::setPoint(double theX, double theY)
 195 {
 196   if (fabs(theX) >= MaxCoordinate)
 197     return false;
 198   if (fabs(theY) >= MaxCoordinate)
 199     return false;
 200
 201   ModuleBase_Tools::setSpinValue(myXSpin, theX);
 202   ModuleBase_Tools::setSpinValue(myYSpin, theY);
 203
 204   storeValue();
 205   return true;
 206 }
 207
 208 bool PartSet_WidgetPoint2D::storeValueCustom() const
 209 {
 210   std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 211   if (!aData) // can be on abort of sketcher element
 212     return false;
 213   std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 214       aData->attribute(attributeID()));
 215
 216   PartSet_WidgetPoint2D* that = (PartSet_WidgetPoint2D*) this;
 217   bool isBlocked = that->blockSignals(true);
 218   bool isImmutable = aPoint->setImmutable(true);
 219
 220   // if text is not empty then setValue will be ignored
 221   // so we should set the text at first
 222   aPoint->setText(myXSpin->hasVariable() ? myXSpin->text().toStdString() : "",
 223                   myYSpin->hasVariable() ? myYSpin->text().toStdString() : "");
 224   aPoint->setValue(!myXSpin->hasVariable() ? myXSpin->value() : aPoint->x(),
 225                    !myYSpin->hasVariable() ? myYSpin->value() : aPoint->y());
 226
 227   // after movement the solver will call the update event: optimization
 228   moveObject(myFeature);
 229   aPoint->setImmutable(isImmutable);
 230   that->blockSignals(isBlocked);
 231
 232   return true;
 233 }
 234
 235 bool PartSet_WidgetPoint2D::restoreValueCustom()
 236 {
 237   std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 238   std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 239       aData->attribute(attributeID()));
 240   QString aTextX = QString::fromStdString(aPoint->textX());
 241   QString aTextY = QString::fromStdString(aPoint->textY());
 242
 243   bool isDouble = false;
 244   double aVal = 0;
 245   if (aTextX.isEmpty()) {
 246     ModuleBase_Tools::setSpinValue(myXSpin, aPoint->x());
 247   } else {
 248     aVal = aTextX.toDouble(&isDouble);
 249     if (isDouble)
 250       ModuleBase_Tools::setSpinValue(myXSpin, aVal);
 251     else
 252       ModuleBase_Tools::setSpinText(myXSpin, aTextX);
 253   }
 254   if (aTextY.isEmpty()) {
 255     ModuleBase_Tools::setSpinValue(myYSpin, aPoint->y());
 256   } else {
 257     aVal = aTextY.toDouble(&isDouble);
 258     if (isDouble)
 259       ModuleBase_Tools::setSpinValue(myYSpin, aVal);
 260     else
 261       ModuleBase_Tools::setSpinText(myYSpin, aTextY);
 262   }
 263   //if (aTextX.empty() || aTextY.empty()) {
 264   //  ModuleBase_Tools::setSpinValue(myXSpin, aPoint->x());
 265   //  ModuleBase_Tools::setSpinValue(myYSpin, aPoint->y());
 266   //} else {
 267   //  ModuleBase_Tools::setSpinText(myXSpin, QString::fromStdString(aTextX));
 268   //  ModuleBase_Tools::setSpinText(myYSpin, QString::fromStdString(aTextY));
 269   //}
 270   return true;
 271 }
 272
 273 void PartSet_WidgetPoint2D::storeCurentValue()
 274 {
 275   // do not use cash if a variable is used
 276   if (myXSpin->hasVariable() || myYSpin->hasVariable())
 277     return;
 278
 279   myValueIsCashed = true;
 280   myIsFeatureVisibleInCash = XGUI_Displayer::isVisible(
 281                        XGUI_Tools::workshop(myWorkshop)->displayer(), myFeature);
 282   myXValueInCash = myXSpin->value();
 283   myYValueInCash = myYSpin->value();
 284 }
 285
 286 bool PartSet_WidgetPoint2D::restoreCurentValue()
 287 {
 288   bool aRestoredAndHidden = true;
 289
 290   bool isVisible = myIsFeatureVisibleInCash;
 291   // fill the control widgets by the cashed value
 292
 293   myValueIsCashed = false;
 294   myIsFeatureVisibleInCash = true;
 295   ModuleBase_Tools::setSpinValue(myXSpin, myXValueInCash);
 296   ModuleBase_Tools::setSpinValue(myYSpin, myYValueInCash);
 297
 298   // store value to the model
 299   storeValueCustom();
 300   if (isVisible) {
 301     setValueState(Stored);
 302     aRestoredAndHidden = false;
 303   }
 304   else
 305     aRestoredAndHidden = true;
 306
 307   return aRestoredAndHidden;
 308 }
 309
 310 QList<QWidget*> PartSet_WidgetPoint2D::getControls() const
 311 {
 312   QList<QWidget*> aControls;
 313   aControls.append(myXSpin);
 314   aControls.append(myYSpin);
 315   return aControls;
 316 }
 317
 318
 319 void PartSet_WidgetPoint2D::activateCustom()
 320 {
 321   ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 322   connect(aViewer, SIGNAL(mouseMove(ModuleBase_IViewWindow*, QMouseEvent*)),
 323           this, SLOT(onMouseMove(ModuleBase_IViewWindow*, QMouseEvent*)));
 324   connect(aViewer, SIGNAL(mouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)),
 325           this, SLOT(onMouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)));
 326
 327   QIntList aModes;
 328   aModes << TopAbs_VERTEX;
 329   aModes << TopAbs_EDGE;
 330   myWorkshop->activateSubShapesSelection(aModes);
 331
 332   if (!isEditingMode()) {
 333     FeaturePtr aFeature = feature();
 334     if (aFeature.get() && aFeature->getKind() == SketchPlugin_Point::ID())
 335       storeValue();
 336   }
 337 }
 338
 339 bool PartSet_WidgetPoint2D::canBeActivatedByMove()
 340 {
 341   bool aCanBeActivated = false;
 342   if (feature()->getKind() == SketchPlugin_Line::ID() &&
 343       attributeID() == SketchPlugin_Line::START_ID())
 344     aCanBeActivated = true;
 345
 346   return aCanBeActivated;
 347 }
 348
 349 void PartSet_WidgetPoint2D::deactivate()
 350 {
 351   // the value of the control should be stored to model if it was not
 352   // initialized yet. It is important when we leave this control by Tab key.
 353   // It should not be performed by the widget activation as the preview
 354   // is visualized with default value. Line point is moved to origin.
 355   AttributePtr anAttribute = myFeature->data()->attribute(attributeID());
 356   if (anAttribute && !anAttribute->isInitialized())
 357     storeValue();
 358
 359   ModuleBase_ModelWidget::deactivate();
 360   ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 361   disconnect(aViewer, SIGNAL(mouseMove(ModuleBase_IViewWindow*, QMouseEvent*)),
 362              this, SLOT(onMouseMove(ModuleBase_IViewWindow*, QMouseEvent*)));
 363   disconnect(aViewer, SIGNAL(mouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)),
 364              this, SLOT(onMouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)));
 365
 366   myWorkshop->deactivateSubShapesSelection();
 367 }
 368
 369 bool PartSet_WidgetPoint2D::getPoint2d(const Handle(V3d_View)& theView,
 370                                        const TopoDS_Shape& theShape,
 371                                        double& theX, double& theY) const
 372 {
 373   if (!theShape.IsNull()) {
 374     if (theShape.ShapeType() == TopAbs_VERTEX) {
 375       const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 376       if (!aVertex.IsNull()) {
 377         // A case when point is taken from existing vertex
 378         gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 379         PartSet_Tools::convertTo2D(aPoint, mySketch, theView, theX, theY);
 380         return true;
 381       }
 382     }
 383   }
 384   return false;
 385 }
 386
 387 bool PartSet_WidgetPoint2D::setConstraintWith(const ObjectPtr& theObject)
 388 {
 389   std::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint;
 390   if (feature()->isMacro()) {
 391     AttributePtr aThisAttr = feature()->data()->attribute(attributeID());
 392     std::shared_ptr<GeomDataAPI_Point2D> anAttrPoint =
 393                                std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aThisAttr);
 394     if (anAttrPoint.get()) {
 395       // the macro feature will be removed after the operation is stopped, so we need to build
 396       // coicidence to possible sub-features
 397       aFeaturePoint = PartSet_Tools::findFirstEqualPointInArgumentFeatures(feature(),
 398                                                                  anAttrPoint->pnt());
 399     }
 400   }
 401   else {
 402     AttributePtr aThisAttr = feature()->data()->attribute(attributeID());
 403     aFeaturePoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aThisAttr);
 404   }
 405   if (!aFeaturePoint.get())
 406     return false;
 407
 408   // Create point-edge coincedence
 409   FeaturePtr aFeature = mySketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 410   std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 411
 412   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 413       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 414
 415   aRef1->setAttr(aFeaturePoint);
 416
 417   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 418       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 419   aRef2->setObject(theObject);
 420
 421   // we need to flush created signal in order to coincidence is processed by solver
 422   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 423
 424   return true;
 425 }
 426
 427 void PartSet_WidgetPoint2D::onMouseRelease(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 428 {
 429   // the contex menu release by the right button should not be processed by this widget
 430   if (theEvent->button() != Qt::LeftButton)
 431     return;
 432
 433   ModuleBase_ISelection* aSelection = myWorkshop->selection();
 434   Handle(V3d_View) aView = theWnd->v3dView();
 435   // TODO: This fragment doesn't work because bug in OCC Viewer. It can be used after fixing.
 436   NCollection_List<TopoDS_Shape> aShapes;
 437   std::list<ObjectPtr> aObjects;
 438   aSelection->selectedShapes(aShapes, aObjects);
 439   // if we have selection and use it
 440   if (aShapes.Extent() > 0 && useSelectedShapes()) {
 441     TopoDS_Shape aShape = aShapes.First();
 442     ObjectPtr aObject = aObjects.front();
 443     FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(aObject);
 444     bool anExternal = false;
 445     std::shared_ptr<SketchPlugin_Feature> aSPFeature;
 446     if (aSelectedFeature.get() != NULL)
 447       aSPFeature = std::dynamic_pointer_cast<SketchPlugin_Feature>(aSelectedFeature);
 448       if ((!aSPFeature && !aShape.IsNull()) ||
 449           (aSPFeature.get() && aSPFeature->isExternal())) {
 450         ResultPtr aFixedObject;
 451         anExternal = true;
 452         aFixedObject = PartSet_Tools::findFixedObjectByExternal(aShape, aObject, mySketch);
 453         if (!aFixedObject.get())
 454           aFixedObject = PartSet_Tools::createFixedObjectByExternal(aShape, aObject, mySketch);
 455         double aX, aY;
 456         if (getPoint2d(aView, aShape, aX, aY) && isFeatureContainsPoint(myFeature, aX, aY)) {
 457           // do not create a constraint to the point, which already used by the feature
 458           // if the feature contains the point, focus is not switched
 459           setPoint(aX, aY);
 460         }
 461         else {
 462           if (getPoint2d(aView, aShape, aX, aY))
 463             setPoint(aX, aY);
 464           else
 465             setValueState(Stored); // in case of edge selection, Apply state should also be updated
 466           bool anOrphanPoint = aShape.ShapeType() == TopAbs_VERTEX ||
 467                                isOrphanPoint(aSelectedFeature, mySketch, aX, aY);
 468           if (anExternal) {
 469             anOrphanPoint = true; // we should not stop reentrant operation on external objects because
 470             // they are not participate in the contour creation excepting external vertices
 471             if (aShape.ShapeType() == TopAbs_VERTEX) {
 472               FeaturePtr aFixedFeature = ModelAPI_Feature::feature(aFixedObject);
 473               if (aFixedFeature.get() && aFixedFeature->getKind() == SketchPlugin_Point::ID()) {
 474                 anOrphanPoint = isOrphanPoint(aFixedFeature, mySketch, aX, aY);
 475               }
 476             }
 477           }
 478           if (aFixedObject.get())
 479             setConstraintWith(aFixedObject);
 480           // fignal updated should be flushed in order to visualize possible created external objects
 481           // e.g. selection of trihedron axis when input end arc point
 482           updateObject(feature());
 483
 484           if (!anOrphanPoint)
 485             emit vertexSelected(); // it stops the reentrant operation
 486
 487           emit focusOutWidget(this);
 488         }
 489       }
 490     if (!anExternal) {
 491       double aX, aY;
 492       bool isProcessed = false;
 493       if (getPoint2d(aView, aShape, aX, aY) && isFeatureContainsPoint(myFeature, aX, aY)) {
 494         // when the point is selected, the coordinates of the point should be set into the attribute
 495         // if the feature contains the point, focus is not switched
 496         setPoint(aX, aY);
 497       }
 498       else {
 499         bool anOrphanPoint = isOrphanPoint(aSelectedFeature, mySketch, aX, aY);
 500         // do not set a coincidence constraint in the attribute if the feature contains a point
 501         // with the same coordinates. It is important for line creation in order to do not set
 502         // the same constraints for the same points, oterwise the result line has zero length.
 503         bool isAuxiliaryFeature = false;
 504         if (getPoint2d(aView, aShape, aX, aY)) {
 505           setPoint(aX, aY);
 506           feature()->execute();
 507           PartSet_Tools::setConstraints(mySketch, feature(), attributeID(), aX, aY);
 508         }
 509         else if (aShape.ShapeType() == TopAbs_EDGE) {
 510           if (!setConstraintWith(aObject)) {
 511             gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWnd->v3dView());
 512             PartSet_Tools::convertTo2D(aPoint, mySketch, aView, aX, aY);
 513             setPoint(aX, aY);
 514           }
 515           setValueState(Stored); // in case of edge selection, Apply state should also be updated
 516           isAuxiliaryFeature = PartSet_Tools::isAuxiliarySketchEntity(aObject);
 517         }
 518         // it is important to perform updateObject() in order to the current value is
 519         // processed by Sketch Solver. Test case: line is created from a previous point
 520         // to some distance, but in the area of the highlighting of the point. Constraint
 521         // coincidence is created, after the solver is performed, the distance between the
 522         // points of the line becomes less than the tolerance. Validator of the line returns
 523         // false, the line will be aborted, but sketch stays valid.
 524         updateObject(feature());
 525         if (!anOrphanPoint && !anExternal && !isAuxiliaryFeature)
 526           emit vertexSelected();
 527         emit focusOutWidget(this);
 528       }
 529     }
 530   }
 531   // End of Bug dependent fragment
 532   else {
 533     // A case when point is taken from mouse event
 534     gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWnd->v3dView());
 535     double aX, anY;
 536     PartSet_Tools::convertTo2D(aPoint, mySketch, aView, aX, anY);
 537
 538     // if the feature contains the point, focus is not switched
 539     if (!setPoint(aX, anY) || isFeatureContainsPoint(myFeature, aX, anY))
 540       return;
 541
 542     /// Start alternative code
 543     //std::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint = std::dynamic_pointer_cast<
 544     //    GeomDataAPI_Point2D>(feature()->data()->attribute(attributeID()));
 545     //QList<FeaturePtr> aIgnore;
 546     //aIgnore.append(feature());
 547
 548     //double aTolerance = aView->Convert(7);
 549     //std::shared_ptr<GeomDataAPI_Point2D> aAttrPnt =
 550     //  PartSet_Tools::findAttributePoint(mySketch, aX, anY, aTolerance, aIgnore);
 551     //if (aAttrPnt.get() != NULL) {
 552     //  aFeaturePoint->setValue(aAttrPnt->pnt());
 553     //  PartSet_Tools::createConstraint(mySketch, aAttrPnt, aFeaturePoint);
 554     //  emit vertexSelected();
 555     //}
 556     /// End alternative code
 557     emit focusOutWidget(this);
 558   }
 559 }
 560
 561
 562 void PartSet_WidgetPoint2D::onMouseMove(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 563 {
 564   if (isEditingMode())
 565     return;
 566
 567   gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWnd->v3dView());
 568
 569   double aX, anY;
 570   PartSet_Tools::convertTo2D(aPoint, mySketch, theWnd->v3dView(), aX, anY);
 571   if (myState != ModifiedInViewer)
 572     storeCurentValue();
 573   // we need to block the value state change
 574   bool isBlocked = blockValueState(true);
 575   setPoint(aX, anY);
 576   blockValueState(isBlocked);
 577   setValueState(ModifiedInViewer);
 578 }
 579
 580 double PartSet_WidgetPoint2D::x() const
 581 {
 582   return myXSpin->value();
 583 }
 584
 585 double PartSet_WidgetPoint2D::y() const
 586 {
 587   return myYSpin->value();
 588 }
 589
 590
 591 bool PartSet_WidgetPoint2D::isFeatureContainsPoint(const FeaturePtr& theFeature,
 592                                                    double theX, double theY)
 593 {
 594   bool aPointIsFound = false;
 595
 596   if (feature()->getKind() != SketchPlugin_Line::ID())
 597     return aPointIsFound;
 598
 599   AttributePtr aWidgetAttribute = myFeature->attribute(attributeID());
 600
 601   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 602                                     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 603   std::list<AttributePtr> anAttributes =
 604                                 myFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 605   std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 606   for(; anIter != anAttributes.end() && !aPointIsFound; anIter++) {
 607     AttributePoint2DPtr aPoint2DAttribute =
 608       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 609     if (aPoint2DAttribute == aWidgetAttribute)
 610       continue;
 611     if (aPoint2DAttribute.get() && aPoint2DAttribute->isInitialized()) {
 612       aPointIsFound = aPoint2DAttribute->pnt()->isEqual(aPnt2d);
 613     }
 614   }
 615   return aPointIsFound;
 616 }
 617
 618 void PartSet_WidgetPoint2D::initializeValueByActivate()
 619 {
 620 }
 621
 622 /*void PartSet_WidgetPoint2D::onValuesChanged()
 623 {
 624   emit valuesChanged();
 625 }*/
 626
 627 bool PartSet_WidgetPoint2D::processEnter()
 628 {
 629   bool isModified = getValueState() == ModifiedInPP;
 630   if (isModified) {
 631     bool isXModified = myXSpin->hasFocus();
 632     emit valuesChanged();
 633     if (isXModified)
 634       myXSpin->selectAll();
 635     else
 636       myYSpin->selectAll();
 637   }
 638   return isModified;
 639 }
 640
 641 bool PartSet_WidgetPoint2D::useSelectedShapes() const
 642 {
 643   return true;
 644 }
 645
 646 bool PartSet_WidgetPoint2D::isOrphanPoint(const FeaturePtr& theFeature,
 647                                           const CompositeFeaturePtr& theSketch,
 648                                           double theX, double theY)
 649 {
 650   bool anOrphanPoint = false;
 651   if (theFeature.get()) {
 652     std::shared_ptr<GeomDataAPI_Point2D> aPointAttr;
 653     std::string aFeatureKind = theFeature->getKind();
 654     if (aFeatureKind == SketchPlugin_Point::ID())
 655       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 656                                        theFeature->attribute(SketchPlugin_Point::COORD_ID()));
 657     else if (aFeatureKind == SketchPlugin_Circle::ID())
 658       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 659                                        theFeature->attribute(SketchPlugin_Circle::CENTER_ID()));
 660
 661     else if (aFeatureKind == SketchPlugin_Arc::ID())
 662       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 663                                        theFeature->attribute(SketchPlugin_Arc::CENTER_ID()));
 664
 665     /// check that the geometry point with the given coordinates is the checked point
 666     /// e.g. in arc the (x,y) point can not coicide to the center point and it automatically
 667     /// means that this point is not an orphant one.
 668     if (aPointAttr.get()) {
 669       std::shared_ptr<GeomAPI_Pnt2d> aCheckedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 670                                                     new GeomAPI_Pnt2d(theX, theY));
 671       if (!aCheckedPoint->isEqual(aPointAttr->pnt()))
 672         return anOrphanPoint;
 673     }
 674
 675     if (aPointAttr.get()) {
 676       std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointAttr->pnt();
 677       // we need to find coincidence features in results also, because external object(point)
 678       // uses refs to me in another feature.
 679       FeaturePtr aCoincidence = PartSet_Tools::findFirstCoincidence(theFeature, aPoint);
 680       anOrphanPoint = true;
 681       // if there is at least one concident line to the point, the point is not an orphant
 682       if (aCoincidence.get()) {
 683         QList<FeaturePtr> aCoinsideLines;
 684         QList<FeaturePtr> aCoins;
 685         PartSet_Tools::findCoincidences(aCoincidence, aCoinsideLines, aCoins,
 686                                         SketchPlugin_ConstraintCoincidence::ENTITY_A());
 687         PartSet_Tools::findCoincidences(aCoincidence, aCoinsideLines, aCoins,
 688                                         SketchPlugin_ConstraintCoincidence::ENTITY_B());
 689         QList<FeaturePtr>::const_iterator anIt = aCoinsideLines.begin(),
 690                                           aLast = aCoinsideLines.end();
 691         for (; anIt != aLast && anOrphanPoint; anIt++) {
 692           anOrphanPoint = (*anIt)->getKind() != SketchPlugin_Line::ID();
 693         }
 694       }
 695     }
 696   }
 697   return anOrphanPoint;
 698 }