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