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                                              const std::string& theParentId)
  63 : ModuleBase_ModelWidget(theParent, theData, theParentId), myWorkshop(theWorkshop),
  64   myValueIsCashed(false), myIsFeatureVisibleInCash(true),
  65   myXValueInCash(0), myYValueInCash(0)
  66 {
  67   if (MyFeaturesForCoincedence.isEmpty()) {
  68     MyFeaturesForCoincedence << SketchPlugin_Line::ID().c_str()
  69       << SketchPlugin_Arc::ID().c_str()
  70       << SketchPlugin_Point::ID().c_str()
  71       << SketchPlugin_Circle::ID().c_str();
  72   }
  73
  74   // the control should accept the focus, so the boolean flag is corrected to be true
  75   myIsObligatory = true;
  76   //myOptionParam = theData->getProperty(PREVIOUS_FEATURE_PARAM);
  77   QString aPageName = QString::fromStdString(theData->getProperty(CONTAINER_PAGE_NAME));
  78   myGroupBox = new QGroupBox(aPageName, theParent);
  79   myGroupBox->setFlat(false);
  80
  81   bool aAcceptVariables = theData->getBooleanAttribute(DOUBLE_WDG_ACCEPT_EXPRESSIONS, true);
  82
  83   QGridLayout* aGroupLay = new QGridLayout(myGroupBox);
  84   ModuleBase_Tools::adjustMargins(aGroupLay);
  85   aGroupLay->setSpacing(2);
  86   aGroupLay->setColumnStretch(1, 1);
  87   {
  88     QLabel* aLabel = new QLabel(myGroupBox);
  89     aLabel->setText(tr("X "));
  90     aGroupLay->addWidget(aLabel, 0, 0);
  91
  92     myXSpin = new ModuleBase_ParamSpinBox(myGroupBox);
  93     myXSpin->setAcceptVariables(aAcceptVariables);
  94     myXSpin->setMinimum(-DBL_MAX);
  95     myXSpin->setMaximum(DBL_MAX);
  96     myXSpin->setToolTip(tr("X"));
  97     aGroupLay->addWidget(myXSpin, 0, 1);
  98
  99     connect(myXSpin, SIGNAL(valueChanged(const QString&)), this, SIGNAL(valuesModified()));
 100   }
 101   {
 102     QLabel* aLabel = new QLabel(myGroupBox);
 103     aLabel->setText(tr("Y "));
 104     aGroupLay->addWidget(aLabel, 1, 0);
 105
 106     myYSpin = new ModuleBase_ParamSpinBox(myGroupBox);
 107     myYSpin->setAcceptVariables(aAcceptVariables);
 108     myYSpin->setMinimum(-DBL_MAX);
 109     myYSpin->setMaximum(DBL_MAX);
 110     myYSpin->setToolTip(tr("Y"));
 111     aGroupLay->addWidget(myYSpin, 1, 1);
 112
 113     connect(myYSpin, SIGNAL(valueChanged(const QString&)), this, SIGNAL(valuesModified()));
 114   }
 115   QVBoxLayout* aLayout = new QVBoxLayout(this);
 116   ModuleBase_Tools::zeroMargins(aLayout);
 117   aLayout->addWidget(myGroupBox);
 118   setLayout(aLayout);
 119 }
 120
 121 bool PartSet_WidgetPoint2D::resetCustom()
 122 {
 123   bool aDone = false;
 124   if (!isUseReset() || isComputedDefault() || myXSpin->hasVariable() || myYSpin->hasVariable()) {
 125     aDone = false;
 126   }
 127   else {
 128     if (myValueIsCashed) {
 129       // if the restored value should be hidden, aDone = true to set
 130       // reset state for the widget in the parent
 131       aDone = restoreCurentValue();
 132     }
 133     else {
 134       bool isOk;
 135       double aDefValue = QString::fromStdString(getDefaultValue()).toDouble(&isOk);
 136       // it is important to block the spin box control in order to do not through out the
 137       // locking of the validating state.
 138       ModuleBase_Tools::setSpinValue(myXSpin, isOk ? aDefValue : 0.0);
 139       ModuleBase_Tools::setSpinValue(myYSpin, isOk ? aDefValue : 0.0);
 140       storeValueCustom();
 141       aDone = true;
 142     }
 143   }
 144   return aDone;
 145 }
 146
 147 PartSet_WidgetPoint2D::~PartSet_WidgetPoint2D()
 148 {
 149 }
 150
 151 bool PartSet_WidgetPoint2D::setSelection(QList<ModuleBase_ViewerPrs>& theValues,
 152                                          const bool theToValidate)
 153 {
 154   bool isDone = false;
 155   if (theValues.empty())
 156     return isDone;
 157
 158   ModuleBase_ViewerPrs aValue = theValues.takeFirst();
 159   TopoDS_Shape aShape = aValue.shape();
 160   if (!aShape.IsNull()) {
 161     Handle(V3d_View) aView = myWorkshop->viewer()->activeView();
 162     double aX, aY;
 163     if (getPoint2d(aView, aShape, 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 void PartSet_WidgetPoint2D::setConstraintWith(const ObjectPtr& theObject)
 388 {
 389   // Create point-edge coincedence
 390   FeaturePtr aFeature = mySketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 391   std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 392
 393   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 394       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 395   AttributePtr aThisAttr = feature()->data()->attribute(attributeID());
 396   std::shared_ptr<GeomDataAPI_Point2D> aThisPoint =
 397     std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aThisAttr);
 398   aRef1->setAttr(aThisPoint);
 399
 400   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 401       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 402   aRef2->setObject(theObject);
 403
 404   aFeature->execute();
 405 }
 406
 407 void PartSet_WidgetPoint2D::onMouseRelease(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 408 {
 409   // the contex menu release by the right button should not be processed by this widget
 410   if (theEvent->button() != Qt::LeftButton)
 411     return;
 412
 413   bool isCoincidenceEnabled = MyFeaturesForCoincedence.contains(myFeature->getKind().c_str());
 414
 415   ModuleBase_ISelection* aSelection = myWorkshop->selection();
 416   Handle(V3d_View) aView = theWnd->v3dView();
 417   // TODO: This fragment doesn't work because bug in OCC Viewer. It can be used after fixing.
 418   NCollection_List<TopoDS_Shape> aShapes;
 419   std::list<ObjectPtr> aObjects;
 420   aSelection->selectedShapes(aShapes, aObjects);
 421   // if we have selection and use it
 422   if (aShapes.Extent() > 0 && useSelectedShapes()) {
 423     TopoDS_Shape aShape = aShapes.First();
 424     ObjectPtr aObject = aObjects.front();
 425     FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(aObject);
 426     bool anExternal = false;
 427     std::shared_ptr<SketchPlugin_Feature> aSPFeature;
 428     if (aSelectedFeature.get() != NULL)
 429       aSPFeature = std::dynamic_pointer_cast<SketchPlugin_Feature>(aSelectedFeature);
 430       if ((!aSPFeature && !aShape.IsNull()) ||
 431           (aSPFeature.get() && aSPFeature->isExternal())) {
 432           ResultPtr aFixedObject;
 433           if (isCoincidenceEnabled) {
 434           anExternal = true;
 435           aFixedObject = PartSet_Tools::findFixedObjectByExternal(aShape, aObject, mySketch);
 436           if (!aFixedObject.get())
 437             aFixedObject = PartSet_Tools::createFixedObjectByExternal(aShape, aObject, mySketch);
 438         }
 439         double aX, aY;
 440         if (getPoint2d(aView, aShape, aX, aY) && isFeatureContainsPoint(myFeature, aX, aY)) {
 441           // do not create a constraint to the point, which already used by the feature
 442           // if the feature contains the point, focus is not switched
 443           setPoint(aX, aY);
 444         }
 445         else {
 446           if (getPoint2d(aView, aShape, aX, aY))
 447             setPoint(aX, aY);
 448           else
 449             setValueState(Stored); // in case of edge selection, Apply state should also be updated
 450           bool anOrphanPoint = aShape.ShapeType() == TopAbs_VERTEX ||
 451                                isOrphanPoint(aSelectedFeature, mySketch, aX, aY);
 452           if (anExternal) {
 453             anOrphanPoint = true; // we should not stop reentrant operation on external objects because
 454             // they are not participate in the contour creation excepting external vertices
 455             if (aShape.ShapeType() == TopAbs_VERTEX) {
 456               FeaturePtr aFixedFeature = ModelAPI_Feature::feature(aFixedObject);
 457               if (aFixedFeature.get() && aFixedFeature->getKind() == SketchPlugin_Point::ID()) {
 458                 anOrphanPoint = isOrphanPoint(aFixedFeature, mySketch, aX, aY, true);
 459               }
 460             }
 461           }
 462           if (aFixedObject.get())
 463             setConstraintWith(aFixedObject);
 464           // fignal updated should be flushed in order to visualize possible created external objects
 465           // e.g. selection of trihedron axis when input end arc point
 466           updateObject(feature());
 467
 468           if (!anOrphanPoint)
 469             emit vertexSelected(); // it stops the reentrant operation
 470
 471           emit focusOutWidget(this);
 472         }
 473       }
 474     if (!anExternal) {
 475       double aX, aY;
 476       bool isProcessed = false;
 477       if (getPoint2d(aView, aShape, aX, aY) && isFeatureContainsPoint(myFeature, aX, aY)) {
 478         // when the point is selected, the coordinates of the point should be set into the attribute
 479         // if the feature contains the point, focus is not switched
 480         setPoint(aX, aY);
 481       }
 482       else {
 483         bool anOrphanPoint = isOrphanPoint(aSelectedFeature, mySketch, aX, aY);
 484         // do not set a coincidence constraint in the attribute if the feature contains a point
 485         // with the same coordinates. It is important for line creation in order to do not set
 486         // the same constraints for the same points, oterwise the result line has zero length.
 487         bool isAuxiliaryFeature = false;
 488         if (getPoint2d(aView, aShape, aX, aY)) {
 489           setPoint(aX, aY);
 490           PartSet_Tools::setConstraints(mySketch, feature(), attributeID(), aX, aY);
 491         }
 492         else if (aShape.ShapeType() == TopAbs_EDGE) {
 493           if (isCoincidenceEnabled) {
 494             setConstraintWith(aObject);
 495             setValueState(Stored); // in case of edge selection, Apply state should also be updated
 496
 497             FeaturePtr anObjectFeature = ModelAPI_Feature::feature(aObject);
 498             std::string anAuxiliaryAttribute = SketchPlugin_SketchEntity::AUXILIARY_ID();
 499             AttributeBooleanPtr anAuxiliaryAttr = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
 500                                               anObjectFeature->data()->attribute(anAuxiliaryAttribute));
 501             if (anAuxiliaryAttr.get())
 502               isAuxiliaryFeature = anAuxiliaryAttr->value();
 503           }
 504         }
 505         // it is important to perform updateObject() in order to the current value is
 506         // processed by Sketch Solver. Test case: line is created from a previous point
 507         // to some distance, but in the area of the highlighting of the point. Constraint
 508         // coincidence is created, after the solver is performed, the distance between the
 509         // points of the line becomes less than the tolerance. Validator of the line returns
 510         // false, the line will be aborted, but sketch stays valid.
 511         updateObject(feature());
 512         if (!anOrphanPoint && !anExternal && !isAuxiliaryFeature)
 513           emit vertexSelected();
 514         emit focusOutWidget(this);
 515       }
 516     }
 517   }
 518   // End of Bug dependent fragment
 519   else {
 520     // A case when point is taken from mouse event
 521     gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWnd->v3dView());
 522     double aX, anY;
 523     PartSet_Tools::convertTo2D(aPoint, mySketch, aView, aX, anY);
 524
 525     // if the feature contains the point, focus is not switched
 526     if (!setPoint(aX, anY) || isFeatureContainsPoint(myFeature, aX, anY))
 527       return;
 528
 529     /// Start alternative code
 530     //std::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint = std::dynamic_pointer_cast<
 531     //    GeomDataAPI_Point2D>(feature()->data()->attribute(attributeID()));
 532     //QList<FeaturePtr> aIgnore;
 533     //aIgnore.append(feature());
 534
 535     //double aTolerance = aView->Convert(7);
 536     //std::shared_ptr<GeomDataAPI_Point2D> aAttrPnt =
 537     //  PartSet_Tools::findAttributePoint(mySketch, aX, anY, aTolerance, aIgnore);
 538     //if (aAttrPnt.get() != NULL) {
 539     //  aFeaturePoint->setValue(aAttrPnt->pnt());
 540     //  PartSet_Tools::createConstraint(mySketch, aAttrPnt, aFeaturePoint);
 541     //  emit vertexSelected();
 542     //}
 543     /// End alternative code
 544     emit focusOutWidget(this);
 545   }
 546 }
 547
 548
 549 void PartSet_WidgetPoint2D::onMouseMove(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 550 {
 551   if (isEditingMode())
 552     return;
 553
 554   gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWnd->v3dView());
 555
 556   double aX, anY;
 557   PartSet_Tools::convertTo2D(aPoint, mySketch, theWnd->v3dView(), aX, anY);
 558   if (myState != ModifiedInViewer)
 559     storeCurentValue();
 560   // we need to block the value state change
 561   bool isBlocked = blockValueState(true);
 562   setPoint(aX, anY);
 563   blockValueState(isBlocked);
 564   setValueState(ModifiedInViewer);
 565 }
 566
 567 double PartSet_WidgetPoint2D::x() const
 568 {
 569   return myXSpin->value();
 570 }
 571
 572 double PartSet_WidgetPoint2D::y() const
 573 {
 574   return myYSpin->value();
 575 }
 576
 577
 578 bool PartSet_WidgetPoint2D::isFeatureContainsPoint(const FeaturePtr& theFeature,
 579                                                    double theX, double theY)
 580 {
 581   bool aPointIsFound = false;
 582
 583   if (feature()->getKind() != SketchPlugin_Line::ID())
 584     return aPointIsFound;
 585
 586   AttributePtr aWidgetAttribute = myFeature->attribute(attributeID());
 587
 588   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 589                                     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 590   std::list<AttributePtr> anAttributes =
 591                                 myFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 592   std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 593   for(; anIter != anAttributes.end() && !aPointIsFound; anIter++) {
 594     AttributePoint2DPtr aPoint2DAttribute =
 595       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 596     if (aPoint2DAttribute == aWidgetAttribute)
 597       continue;
 598     if (aPoint2DAttribute.get() && aPoint2DAttribute->isInitialized()) {
 599       aPointIsFound = aPoint2DAttribute->pnt()->isEqual(aPnt2d);
 600     }
 601   }
 602   return aPointIsFound;
 603 }
 604
 605 void PartSet_WidgetPoint2D::initializeValueByActivate()
 606 {
 607 }
 608
 609 /*void PartSet_WidgetPoint2D::onValuesChanged()
 610 {
 611   emit valuesChanged();
 612 }*/
 613
 614 bool PartSet_WidgetPoint2D::processEnter()
 615 {
 616   bool isModified = getValueState() == ModifiedInPP;
 617   if (isModified) {
 618     bool isXModified = myXSpin->hasFocus();
 619     emit valuesChanged();
 620     if (isXModified)
 621       myXSpin->selectAll();
 622     else
 623       myYSpin->selectAll();
 624   }
 625   return isModified;
 626 }
 627
 628 bool PartSet_WidgetPoint2D::useSelectedShapes() const
 629 {
 630   return true;
 631 }
 632
 633 bool PartSet_WidgetPoint2D::isOrphanPoint(const FeaturePtr& theFeature,
 634                                           const CompositeFeaturePtr& theSketch,
 635                                           double theX, double theY, const bool theSearchInResults)
 636 {
 637   bool anOrphanPoint = false;
 638   if (theFeature.get()) {
 639     std::shared_ptr<GeomDataAPI_Point2D> aPointAttr;
 640     std::string aFeatureKind = theFeature->getKind();
 641     if (aFeatureKind == SketchPlugin_Point::ID())
 642       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 643                                        theFeature->attribute(SketchPlugin_Point::COORD_ID()));
 644     else if (aFeatureKind == SketchPlugin_Circle::ID())
 645       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 646                                        theFeature->attribute(SketchPlugin_Circle::CENTER_ID()));
 647
 648     else if (aFeatureKind == SketchPlugin_Arc::ID())
 649       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 650                                        theFeature->attribute(SketchPlugin_Arc::CENTER_ID()));
 651
 652     /// check that the geometry point with the given coordinates is the checked point
 653     /// e.g. in arc the (x,y) point can not coicide to the center point and it automatically
 654     /// means that this point is not an orphant one.
 655     if (aPointAttr.get()) {
 656       std::shared_ptr<GeomAPI_Pnt2d> aCheckedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 657                                                     new GeomAPI_Pnt2d(theX, theY));
 658       if (!aCheckedPoint->isEqual(aPointAttr->pnt()))
 659         return anOrphanPoint;
 660     }
 661
 662     if (aPointAttr.get()) {
 663       std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointAttr->pnt();
 664       // we need to find coincidence features in results also, because external object(point)
 665       // uses refs to me in another feature.
 666       FeaturePtr aCoincidence = PartSet_Tools::findFirstCoincidence(theFeature, aPoint, theSearchInResults);
 667       anOrphanPoint = true;
 668       // if there is at least one concident line to the point, the point is not an orphant
 669       if (aCoincidence.get()) {
 670         QList<FeaturePtr> aCoinsideLines;
 671         PartSet_Tools::findCoincidences(aCoincidence, aCoinsideLines,
 672                                         SketchPlugin_ConstraintCoincidence::ENTITY_A());
 673         PartSet_Tools::findCoincidences(aCoincidence, aCoinsideLines,
 674                                         SketchPlugin_ConstraintCoincidence::ENTITY_B());
 675         QList<FeaturePtr>::const_iterator anIt = aCoinsideLines.begin(),
 676                                           aLast = aCoinsideLines.end();
 677         for (; anIt != aLast && anOrphanPoint; anIt++) {
 678           anOrphanPoint = (*anIt)->getKind() != SketchPlugin_Line::ID();
 679         }
 680       }
 681     }
 682   }
 683   return anOrphanPoint;
 684 }