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 #include <PartSet_SketcherReetntrantMgr.h>
  11
  12 #include <XGUI_Tools.h>
  13 #include <XGUI_Workshop.h>
  14 #include <XGUI_Displayer.h>
  15
  16 #include <ModuleBase_ParamSpinBox.h>
  17 #include <ModuleBase_Tools.h>
  18 #include <ModuleBase_IViewer.h>
  19 #include <ModuleBase_IViewWindow.h>
  20 #include <ModuleBase_ISelection.h>
  21 #include <ModuleBase_ViewerPrs.h>
  22 #include <ModuleBase_WidgetValidator.h>
  23 #include <ModuleBase_LabelValue.h>
  24
  25 #include <Config_Keywords.h>
  26 #include <Config_WidgetAPI.h>
  27
  28 #include <Events_Loop.h>
  29 #include <ModelAPI_Events.h>
  30 #include <ModelAPI_AttributeBoolean.h>
  31 #include <ModelAPI_AttributeRefAttr.h>
  32
  33 #include <ModelAPI_Feature.h>
  34 #include <ModelAPI_Data.h>
  35 #include <ModelAPI_Object.h>
  36 #include <GeomDataAPI_Point2D.h>
  37 #include <GeomAPI_Pnt2d.h>
  38
  39 #include <GeomAPI_ShapeExplorer.h>
  40 #include <GeomAPI_Vertex.h>
  41
  42 #include <SketchPlugin_Feature.h>
  43 #include <SketchPlugin_ConstraintCoincidence.h>
  44 #include <SketchPlugin_Line.h>
  45 #include <SketchPlugin_Arc.h>
  46 #include <SketchPlugin_Circle.h>
  47 #include <SketchPlugin_Point.h>
  48
  49 #include <QGroupBox>
  50 #include <QGridLayout>
  51 #include <QLabel>
  52 #include <QEvent>
  53 #include <QMouseEvent>
  54 #include <QApplication>
  55
  56 #include <TopoDS.hxx>
  57 #include <TopoDS_Vertex.hxx>
  58 #include <BRep_Tool.hxx>
  59
  60 #include <cfloat>
  61 #include <climits>
  62
  63 const double MaxCoordinate = 1e12;
  64
  65 static QStringList MyFeaturesForCoincedence;
  66
  67 PartSet_WidgetPoint2D::PartSet_WidgetPoint2D(QWidget* theParent,
  68                                              ModuleBase_IWorkshop* theWorkshop,
  69                                              const Config_WidgetAPI* theData)
  70 : ModuleBase_ModelWidget(theParent, theData), myWorkshop(theWorkshop),
  71   myValueIsCashed(false), myIsFeatureVisibleInCash(true),
  72   myXValueInCash(0), myYValueInCash(0)
  73 {
  74   myRefAttribute = theData->getProperty("reference_attribute");
  75   if (MyFeaturesForCoincedence.isEmpty()) {
  76     MyFeaturesForCoincedence << SketchPlugin_Line::ID().c_str()
  77       << SketchPlugin_Arc::ID().c_str()
  78       << SketchPlugin_Point::ID().c_str()
  79       << SketchPlugin_Circle::ID().c_str();
  80   }
  81
  82   // the control should accept the focus, so the boolean flag is corrected to be true
  83   myIsObligatory = true;
  84   QString aPageName = QString::fromStdString(theData->getProperty(CONTAINER_PAGE_NAME));
  85   myGroupBox = new QGroupBox(aPageName, theParent);
  86   myGroupBox->setFlat(false);
  87
  88   bool aAcceptVariables = theData->getBooleanAttribute(DOUBLE_WDG_ACCEPT_EXPRESSIONS, true);
  89
  90   QGridLayout* aGroupLay = new QGridLayout(myGroupBox);
  91   ModuleBase_Tools::adjustMargins(aGroupLay);
  92   aGroupLay->setSpacing(2);
  93   aGroupLay->setColumnStretch(1, 1);
  94   {
  95     QLabel* aLabel = new QLabel(myGroupBox);
  96
  97     myXSpin = new ModuleBase_LabelValue(myGroupBox, tr("X"));
  98     //ModuleBase_ParamSpinBox(myGroupBox);
  99     //myXSpin->setAcceptVariables(aAcceptVariables);
 100     //myXSpin->setMinimum(-DBL_MAX);
 101     //myXSpin->setMaximum(DBL_MAX);
 102     //myXSpin->setToolTip(tr("X"));
 103     aGroupLay->addWidget(myXSpin, 0, 1);
 104
 105     //connect(myXSpin, SIGNAL(textChanged(const QString&)), this, SIGNAL(valuesModified()));
 106     //myXSpin->setValueEnabled(isValueEnabled());
 107   }
 108   {
 109     //QLabel* aLabel = new QLabel(myGroupBox);
 110     //aLabel->setText(tr("Y "));
 111     //aGroupLay->addWidget(aLabel, 1, 0);
 112
 113     myYSpin = new ModuleBase_LabelValue(myGroupBox, tr("Y"));
 114     //ModuleBase_ParamSpinBox(myGroupBox);
 115     //myYSpin = new ModuleBase_ParamSpinBox(myGroupBox);
 116     //myYSpin->setAcceptVariables(aAcceptVariables);
 117     //myYSpin->setMinimum(-DBL_MAX);
 118     //myYSpin->setMaximum(DBL_MAX);
 119     //myYSpin->setToolTip(tr("Y"));
 120     aGroupLay->addWidget(myYSpin, 1, 1);
 121
 122     //connect(myYSpin, SIGNAL(textChanged(const QString&)), this, SIGNAL(valuesModified()));
 123     //myYSpin->setValueEnabled(isValueEnabled());
 124   }
 125   QVBoxLayout* aLayout = new QVBoxLayout(this);
 126   ModuleBase_Tools::zeroMargins(aLayout);
 127   aLayout->addWidget(myGroupBox);
 128   setLayout(aLayout);
 129
 130   myWidgetValidator = new ModuleBase_WidgetValidator(this, myWorkshop);
 131 }
 132
 133 bool PartSet_WidgetPoint2D::isValidSelectionCustom(const ModuleBase_ViewerPrsPtr& theValue)
 134 {
 135   bool aValid = true;
 136
 137   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 138   if (aModule->sketchReentranceMgr()->isInternalEditActive())
 139     return true; /// when internal edit is started a new feature is created. I has not results, AIS
 140
 141   /// the selection is not possible if the current feature has no presentation for the current
 142   /// attribute not in AIS not in results. If so, no object in current feature where make
 143   /// coincidence, so selection is not necessary
 144   bool aFoundPoint = false;
 145   GeomShapePtr anAISShape;
 146   GeomPresentablePtr aPrs = std::dynamic_pointer_cast<GeomAPI_IPresentable>(myFeature);
 147   if (aPrs.get()) {
 148     AISObjectPtr anAIS;
 149     anAIS = aPrs->getAISObject(anAIS);
 150     if (anAIS.get()) {
 151       anAISShape = anAIS->getShape();
 152     }
 153   }
 154   const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = myFeature->results();
 155   if (!anAISShape.get() && aResults.empty())
 156     return true;
 157
 158   /// analysis of AIS
 159   std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 160   std::shared_ptr<GeomDataAPI_Point2D> aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 161       aData->attribute(attributeID()));
 162   std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointAttr->pnt();
 163   if (anAISShape.get())
 164     aFoundPoint = shapeContainsPoint(anAISShape, aPoint, mySketch);
 165
 166   /// analysis of results
 167   std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.cbegin();
 168   for (; aRIter != aResults.cend() && !aFoundPoint; aRIter++) {
 169     ResultPtr aResult = *aRIter;
 170     if (aResult.get() && aResult->shape().get()) {
 171       GeomShapePtr aShape = aResult->shape();
 172       aFoundPoint = shapeContainsPoint(aShape, aPoint, mySketch);
 173     }
 174   }
 175   return aFoundPoint;
 176 }
 177
 178 bool PartSet_WidgetPoint2D::resetCustom()
 179 {
 180   bool aDone = false;
 181   if (!isUseReset() || isComputedDefault()
 182       /*|| myXSpin->hasVariable() || myYSpin->hasVariable()*/) {
 183     aDone = false;
 184   }
 185   else {
 186     if (myValueIsCashed) {
 187       // if the restored value should be hidden, aDone = true to set
 188       // reset state for the widget in the parent
 189       aDone = restoreCurentValue();
 190       emit objectUpdated();
 191     }
 192     else {
 193       bool isOk;
 194       double aDefValue = QString::fromStdString(getDefaultValue()).toDouble(&isOk);
 195       // it is important to block the spin box control in order to do not through out the
 196       // locking of the validating state.
 197       myXSpin->setValue(isOk ? aDefValue : 0.0);
 198       myYSpin->setValue(isOk ? aDefValue : 0.0);
 199
 200       //ModuleBase_Tools::setSpinValue(myXSpin, isOk ? aDefValue : 0.0);
 201       //ModuleBase_Tools::setSpinValue(myYSpin, isOk ? aDefValue : 0.0);
 202       storeValueCustom();
 203       aDone = true;
 204     }
 205   }
 206   return aDone;
 207 }
 208
 209 PartSet_WidgetPoint2D::~PartSet_WidgetPoint2D()
 210 {
 211 }
 212
 213 bool PartSet_WidgetPoint2D::setSelection(QList<ModuleBase_ViewerPrsPtr>& theValues,
 214                                          const bool theToValidate)
 215 {
 216   bool isDone = false;
 217   if (theValues.empty())
 218     return isDone;
 219
 220   ModuleBase_ViewerPrsPtr aValue = theValues.takeFirst();
 221   GeomShapePtr aShape = aValue->shape();
 222   if (aShape.get() && !aShape->isNull()) {
 223     Handle(V3d_View) aView = myWorkshop->viewer()->activeView();
 224     double aX, aY;
 225     const TopoDS_Shape& aTDShape = aShape->impl<TopoDS_Shape>();
 226     if (getPoint2d(aView, aTDShape, aX, aY)) {
 227       isDone = setPoint(aX, aY);
 228       setConstraintTo(aX, aY);
 229       //PartSet_Tools::setConstraints(mySketch, feature(), attributeID(), aX, aY);
 230     }
 231   }
 232   return isDone;
 233 }
 234
 235 void PartSet_WidgetPoint2D::selectContent()
 236 {
 237  // myXSpin->selectAll();
 238 }
 239
 240 bool PartSet_WidgetPoint2D::setPoint(double theX, double theY)
 241 {
 242   if (fabs(theX) >= MaxCoordinate)
 243     return false;
 244   if (fabs(theY) >= MaxCoordinate)
 245     return false;
 246
 247   myXSpin->setValue(theX);
 248   myYSpin->setValue(theY);
 249
 250   //ModuleBase_Tools::setSpinValue(myXSpin, theX);
 251   //ModuleBase_Tools::setSpinValue(myYSpin, theY);
 252
 253   storeValue();
 254   return true;
 255 }
 256
 257 bool PartSet_WidgetPoint2D::storeValueCustom()
 258 {
 259   std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 260   if (!aData) // can be on abort of sketcher element
 261     return false;
 262   std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 263       aData->attribute(attributeID()));
 264
 265   PartSet_WidgetPoint2D* that = (PartSet_WidgetPoint2D*) this;
 266   bool isBlocked = that->blockSignals(true);
 267   bool isImmutable = aPoint->setImmutable(true);
 268
 269   // if text is not empty then setValue will be ignored
 270   // so we should set the text at first
 271   //aPoint->setText(myXSpin->hasVariable() ? myXSpin->text().toStdString() : "",
 272   //                myYSpin->hasVariable() ? myYSpin->text().toStdString() : "");
 273   //aPoint->setValue(!myXSpin->hasVariable() ? myXSpin->value() : aPoint->x(),
 274   //                 !myYSpin->hasVariable() ? myYSpin->value() : aPoint->y());
 275   aPoint->setValue(myXSpin->value(), myYSpin->value());
 276
 277   // after movement the solver will call the update event: optimization
 278   moveObject(myFeature);
 279   aPoint->setImmutable(isImmutable);
 280   that->blockSignals(isBlocked);
 281
 282   return true;
 283 }
 284
 285 bool PartSet_WidgetPoint2D::restoreValueCustom()
 286 {
 287   std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 288   std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 289       aData->attribute(attributeID()));
 290   double aValueX = aPoint->isInitialized() ? aPoint->x() : 0.;
 291   double aValueY = aPoint->isInitialized() ? aPoint->y() : 0.;
 292   myXSpin->setValue(aValueX);
 293   myYSpin->setValue(aValueY);
 294
 295   return true;
 296 }
 297
 298 void PartSet_WidgetPoint2D::storeCurentValue()
 299 {
 300   // do not use cash if a variable is used
 301   //if (myXSpin->hasVariable() || myYSpin->hasVariable())
 302   //  return;
 303
 304   myValueIsCashed = true;
 305   myIsFeatureVisibleInCash = XGUI_Displayer::isVisible(
 306                        XGUI_Tools::workshop(myWorkshop)->displayer(), myFeature);
 307   myXValueInCash = myXSpin->value();
 308   myYValueInCash = myYSpin->value();
 309 }
 310
 311 bool PartSet_WidgetPoint2D::restoreCurentValue()
 312 {
 313   bool aRestoredAndHidden = true;
 314
 315   bool isVisible = myIsFeatureVisibleInCash;
 316   // fill the control widgets by the cashed value
 317
 318   myValueIsCashed = false;
 319   myIsFeatureVisibleInCash = true;
 320   myXSpin->setValue(myXValueInCash);
 321   myYSpin->setValue(myYValueInCash);
 322   //ModuleBase_Tools::setSpinValue(myXSpin, myXValueInCash);
 323   //ModuleBase_Tools::setSpinValue(myYSpin, myYValueInCash);
 324
 325   // store value to the model
 326   storeValueCustom();
 327   if (isVisible) {
 328     setValueState(Stored);
 329     aRestoredAndHidden = false;
 330   }
 331   else
 332     aRestoredAndHidden = true;
 333
 334   return aRestoredAndHidden;
 335 }
 336
 337 QList<QWidget*> PartSet_WidgetPoint2D::getControls() const
 338 {
 339   QList<QWidget*> aControls;
 340   aControls.append(myXSpin);
 341   aControls.append(myYSpin);
 342   return aControls;
 343 }
 344
 345
 346 void PartSet_WidgetPoint2D::activateCustom()
 347 {
 348   QIntList aModes;
 349   aModes << TopAbs_VERTEX;
 350   aModes << TopAbs_EDGE;
 351   myWorkshop->activateSubShapesSelection(aModes);
 352
 353   if (!isEditingMode()) {
 354     FeaturePtr aFeature = feature();
 355     if (aFeature.get() && aFeature->getKind() == SketchPlugin_Point::ID())
 356       storeValue();
 357   }
 358 }
 359
 360 void PartSet_WidgetPoint2D::setHighlighted(bool isHighlighted)
 361 {
 362 }
 363
 364 void PartSet_WidgetPoint2D::deactivate()
 365 {
 366   // the value of the control should be stored to model if it was not
 367   // initialized yet. It is important when we leave this control by Tab key.
 368   // It should not be performed by the widget activation as the preview
 369   // is visualized with default value. Line point is moved to origin.
 370   AttributePtr anAttribute = myFeature->data()->attribute(attributeID());
 371   if (anAttribute && !anAttribute->isInitialized())
 372     storeValue();
 373
 374   ModuleBase_ModelWidget::deactivate();
 375   myWorkshop->deactivateSubShapesSelection();
 376 }
 377
 378 bool PartSet_WidgetPoint2D::getPoint2d(const Handle(V3d_View)& theView,
 379                                        const TopoDS_Shape& theShape,
 380                                        double& theX, double& theY) const
 381 {
 382   if (!theShape.IsNull()) {
 383     if (theShape.ShapeType() == TopAbs_VERTEX) {
 384       const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 385       if (!aVertex.IsNull()) {
 386         // A case when point is taken from existing vertex
 387         gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 388         PartSet_Tools::convertTo2D(aPoint, mySketch, theView, theX, theY);
 389         return true;
 390       }
 391     }
 392   }
 393   return false;
 394 }
 395
 396 bool PartSet_WidgetPoint2D::setConstraintTo(double theClickedX, double theClickedY)
 397 {
 398   FeaturePtr aFeature = feature();
 399   std::string anAttribute = attributeID();
 400
 401   if (!aFeature.get())
 402     return false;
 403
 404   std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 405                                    new GeomAPI_Pnt2d(theClickedX, theClickedY));
 406
 407   // find a feature point by the selection mode
 408   std::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint;
 409   if (aFeature->isMacro()) {
 410     // the macro feature will be removed after the operation is stopped, so we need to build
 411     // coicidence to possible sub-features
 412     aFeaturePoint = PartSet_Tools::findFirstEqualPointInArgumentFeatures(aFeature, aClickedPoint);
 413   }
 414   else {
 415     aFeaturePoint = std::dynamic_pointer_cast<
 416                                    GeomDataAPI_Point2D>(aFeature->data()->attribute(anAttribute));
 417   }
 418   if (!aFeaturePoint.get())
 419     return false;
 420
 421   std::shared_ptr<GeomDataAPI_Point2D> aFPoint = PartSet_Tools::findFirstEqualPointInSketch(
 422                                                       mySketch, aFeaturePoint, aClickedPoint);
 423   if (!aFPoint.get())
 424     return false;
 425
 426   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 427   if (aRefAttr.get())
 428     aRefAttr->setAttr(aFPoint);
 429   else
 430     PartSet_Tools::createConstraint(mySketch, aFPoint, aFeaturePoint);
 431
 432   return true;
 433 }
 434
 435 bool PartSet_WidgetPoint2D::setConstraintWith(const ObjectPtr& theObject)
 436 {
 437   std::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint;
 438
 439   if (feature()->isMacro()) {
 440     AttributePtr aThisAttr = feature()->data()->attribute(attributeID());
 441     std::shared_ptr<GeomDataAPI_Point2D> anAttrPoint =
 442                                std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aThisAttr);
 443     if (anAttrPoint.get()) {
 444       // the macro feature will be removed after the operation is stopped, so we need to build
 445       // coicidence to possible sub-features
 446       aFeaturePoint = PartSet_Tools::findFirstEqualPointInArgumentFeatures(feature(),
 447                                                                  anAttrPoint->pnt());
 448     }
 449   }
 450   else {
 451     AttributePtr aThisAttr = feature()->data()->attribute(attributeID());
 452     aFeaturePoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aThisAttr);
 453   }
 454   if (!aFeaturePoint.get())
 455     return false;
 456
 457   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 458   if (aRefAttr.get())
 459     aRefAttr->setObject(theObject);
 460   else {
 461     // Create point-edge coincedence
 462     FeaturePtr aFeature = mySketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 463     std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 464
 465     std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 466         ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 467
 468     aRef1->setAttr(aFeaturePoint);
 469
 470     std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 471         ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 472     aRef2->setObject(theObject);
 473
 474     // we need to flush created signal in order to coincidence is processed by solver
 475     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 476   }
 477   return true;
 478 }
 479
 480 void PartSet_WidgetPoint2D::mouseReleased(ModuleBase_IViewWindow* theWindow, QMouseEvent* theEvent)
 481 {
 482   // the contex menu release by the right button should not be processed by this widget
 483   if (theEvent->button() != Qt::LeftButton)
 484     return;
 485
 486   ModuleBase_ISelection* aSelection = myWorkshop->selection();
 487   Handle(V3d_View) aView = theWindow->v3dView();
 488
 489   QList<ModuleBase_ViewerPrsPtr> aList = aSelection->getSelected(ModuleBase_ISelection::Viewer);
 490   ModuleBase_ViewerPrsPtr aFirstValue =
 491     aList.size() > 0 ? aList.first() : ModuleBase_ViewerPrsPtr();
 492   if (!aFirstValue.get() && myPreSelected.get()) {
 493     aFirstValue = myPreSelected;
 494   }
 495   // if we have selection and use it
 496   if (aFirstValue.get() && isValidSelectionCustom(aFirstValue) &&
 497       aFirstValue->shape().get()) { /// Trihedron Axis may be selected, but shape is empty
 498     GeomShapePtr aGeomShape = aFirstValue->shape();
 499     TopoDS_Shape aShape = aGeomShape->impl<TopoDS_Shape>();
 500     ObjectPtr aObject = aFirstValue->object();
 501
 502     FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(aObject);
 503     bool anExternal = false;
 504     std::shared_ptr<SketchPlugin_Feature> aSPFeature;
 505     if (aSelectedFeature.get() != NULL)
 506       aSPFeature = std::dynamic_pointer_cast<SketchPlugin_Feature>(aSelectedFeature);
 507
 508     ResultPtr aFixedObject;
 509     bool aSketchExternalFeature = aSPFeature.get() && aSPFeature->isExternal();
 510     if ((!aSPFeature && !aShape.IsNull()) || aSketchExternalFeature) {
 511       aFixedObject = PartSet_Tools::findFixedObjectByExternal(aShape, aObject, mySketch);
 512       if (aSketchExternalFeature && !aFixedObject.get()) {/// local selection on external feature
 513         anExternal = false;
 514       }
 515       else {
 516         anExternal = true;
 517         if (!aFixedObject.get())
 518           aFixedObject = PartSet_Tools::createFixedObjectByExternal(aShape, aObject, mySketch);
 519       }
 520     }
 521     if (anExternal) {
 522       double aX, aY;
 523       if (getPoint2d(aView, aShape, aX, aY) && isFeatureContainsPoint(myFeature, aX, aY)) {
 524         // do not create a constraint to the point, which already used by the feature
 525         // if the feature contains the point, focus is not switched
 526         setPoint(aX, aY);
 527       }
 528       else {
 529         if (getPoint2d(aView, aShape, aX, aY))
 530           setPoint(aX, aY);
 531         else
 532           setValueState(Stored); // in case of edge selection, Apply state should also be updated
 533         bool anOrphanPoint = aShape.ShapeType() == TopAbs_VERTEX ||
 534                               isOrphanPoint(aSelectedFeature, mySketch, aX, aY);
 535         if (anExternal) {
 536           // we should not stop reentrant operation on external objects because
 537           anOrphanPoint = true;
 538           // they are not participate in the contour creation excepting external vertices
 539           if (aShape.ShapeType() == TopAbs_VERTEX) {
 540             FeaturePtr aFixedFeature = ModelAPI_Feature::feature(aFixedObject);
 541             if (aFixedFeature.get() && aFixedFeature->getKind() == SketchPlugin_Point::ID()) {
 542               anOrphanPoint = isOrphanPoint(aFixedFeature, mySketch, aX, aY);
 543             }
 544           }
 545         }
 546         if (aFixedObject.get())
 547           setConstraintWith(aFixedObject);
 548         // fignal updated should be flushed in order to visualize possible created
 549         // external objects e.g. selection of trihedron axis when input end arc point
 550         updateObject(feature());
 551
 552         if (!anOrphanPoint)
 553           emit vertexSelected(); // it stops the reentrant operation
 554
 555         emit focusOutWidget(this);
 556       }
 557     }
 558     if (!anExternal) {
 559       double aX, aY;
 560       bool isProcessed = false;
 561       if (getPoint2d(aView, aShape, aX, aY) && isFeatureContainsPoint(myFeature, aX, aY)) {
 562         // when the point is selected, the coordinates of the point should be set into the attribute
 563         // if the feature contains the point, focus is not switched
 564         setPoint(aX, aY);
 565       }
 566       else {
 567         bool anOrphanPoint = isOrphanPoint(aSelectedFeature, mySketch, aX, aY);
 568         // do not set a coincidence constraint in the attribute if the feature contains a point
 569         // with the same coordinates. It is important for line creation in order to do not set
 570         // the same constraints for the same points, oterwise the result line has zero length.
 571         bool isAuxiliaryFeature = false;
 572         if (getPoint2d(aView, aShape, aX, aY)) {
 573           setPoint(aX, aY);
 574           feature()->execute();
 575
 576           setConstraintTo(aX, aY);
 577           //PartSet_Tools::setConstraints(mySketch, feature(), attributeID(), aX, aY);
 578         }
 579         else if (aShape.ShapeType() == TopAbs_EDGE) {
 580           // point is taken from mouse event and set in attribute. It should be done before setting
 581           // coinident constraint to the external line. If a point is created, it should be in
 582           // the mouse clicked point
 583           gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 584           PartSet_Tools::convertTo2D(aPoint, mySketch, aView, aX, aY);
 585           setPoint(aX, aY);
 586           setConstraintWith(aObject);
 587           setValueState(Stored); // in case of edge selection, Apply state should also be updated
 588           isAuxiliaryFeature = PartSet_Tools::isAuxiliarySketchEntity(aObject);
 589         }
 590         // it is important to perform updateObject() in order to the current value is
 591         // processed by Sketch Solver. Test case: line is created from a previous point
 592         // to some distance, but in the area of the highlighting of the point. Constraint
 593         // coincidence is created, after the solver is performed, the distance between the
 594         // points of the line becomes less than the tolerance. Validator of the line returns
 595         // false, the line will be aborted, but sketch stays valid.
 596         updateObject(feature());
 597         if (!anOrphanPoint && !anExternal && !isAuxiliaryFeature)
 598           emit vertexSelected();
 599         emit focusOutWidget(this);
 600       }
 601     }
 602   }
 603   // End of Bug dependent fragment
 604   else {
 605     // A case when point is taken from mouse event
 606     gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 607     double aX, anY;
 608     PartSet_Tools::convertTo2D(aPoint, mySketch, aView, aX, anY);
 609
 610     // if the feature contains the point, focus is not switched
 611     if (!setPoint(aX, anY) || isFeatureContainsPoint(myFeature, aX, anY))
 612       return;
 613
 614     /// Start alternative code
 615     //std::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint = std::dynamic_pointer_cast<
 616     //    GeomDataAPI_Point2D>(feature()->data()->attribute(attributeID()));
 617     //QList<FeaturePtr> aIgnore;
 618     //aIgnore.append(feature());
 619
 620     //double aTolerance = aView->Convert(7);
 621     //std::shared_ptr<GeomDataAPI_Point2D> aAttrPnt =
 622     //  PartSet_Tools::findAttributePoint(mySketch, aX, anY, aTolerance, aIgnore);
 623     //if (aAttrPnt.get() != NULL) {
 624     //  aFeaturePoint->setValue(aAttrPnt->pnt());
 625     //  PartSet_Tools::createConstraint(mySketch, aAttrPnt, aFeaturePoint);
 626     //  emit vertexSelected();
 627     //}
 628     /// End alternative code
 629     emit focusOutWidget(this);
 630   }
 631 }
 632
 633 void PartSet_WidgetPoint2D::setPreSelection(
 634                                const std::shared_ptr<ModuleBase_ViewerPrs>& thePreSelected,
 635                                ModuleBase_IViewWindow* theWnd,
 636                                QMouseEvent* theEvent)
 637 {
 638   myPreSelected = thePreSelected;
 639   mouseReleased(theWnd, theEvent);
 640   myPreSelected = ModuleBase_ViewerPrsPtr();
 641 }
 642
 643 void PartSet_WidgetPoint2D::mouseMoved(ModuleBase_IViewWindow* theWindow, QMouseEvent* theEvent)
 644 {
 645   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 646
 647   if (isEditingMode() || aModule->sketchReentranceMgr()->isInternalEditStarted())
 648     return;
 649
 650   gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 651
 652   double aX, anY;
 653   PartSet_Tools::convertTo2D(aPoint, mySketch, theWindow->v3dView(), aX, anY);
 654   if (myState != ModifiedInViewer)
 655     storeCurentValue();
 656   // we need to block the value state change
 657   bool isBlocked = blockValueState(true);
 658   setPoint(aX, anY);
 659   blockValueState(isBlocked);
 660   setValueState(ModifiedInViewer);
 661 }
 662
 663 double PartSet_WidgetPoint2D::x() const
 664 {
 665   return myXSpin->value();
 666 }
 667
 668 double PartSet_WidgetPoint2D::y() const
 669 {
 670   return myYSpin->value();
 671 }
 672
 673
 674 bool PartSet_WidgetPoint2D::isFeatureContainsPoint(const FeaturePtr& theFeature,
 675                                                    double theX, double theY)
 676 {
 677   bool aPointIsFound = false;
 678
 679   if (feature()->getKind() != SketchPlugin_Line::ID())
 680     return aPointIsFound;
 681
 682   AttributePtr aWidgetAttribute = myFeature->attribute(attributeID());
 683
 684   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 685                                     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 686   std::list<AttributePtr> anAttributes =
 687                                 myFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 688   std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 689   for(; anIter != anAttributes.end() && !aPointIsFound; anIter++) {
 690     AttributePoint2DPtr aPoint2DAttribute =
 691       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 692     if (aPoint2DAttribute == aWidgetAttribute)
 693       continue;
 694     if (aPoint2DAttribute.get() && aPoint2DAttribute->isInitialized()) {
 695       aPointIsFound = aPoint2DAttribute->pnt()->isEqual(aPnt2d);
 696     }
 697   }
 698   return aPointIsFound;
 699 }
 700
 701 void PartSet_WidgetPoint2D::initializeValueByActivate()
 702 {
 703 }
 704
 705 /*void PartSet_WidgetPoint2D::onValuesChanged()
 706 {
 707   emit valuesChanged();
 708 }*/
 709
 710 bool PartSet_WidgetPoint2D::processEnter()
 711 {
 712   return false;
 713   /*bool isModified = getValueState() == ModifiedInPP;
 714   if (isModified) {
 715     bool isXModified = myXSpin->hasFocus();
 716     emit valuesChanged();
 717     if (isXModified)
 718       myXSpin->selectAll();
 719     else
 720       myYSpin->selectAll();
 721   }
 722   return isModified;*/
 723 }
 724
 725 bool PartSet_WidgetPoint2D::useSelectedShapes() const
 726 {
 727   return true;
 728 }
 729
 730 bool PartSet_WidgetPoint2D::isOrphanPoint(const FeaturePtr& theFeature,
 731                                           const CompositeFeaturePtr& theSketch,
 732                                           double theX, double theY)
 733 {
 734   bool anOrphanPoint = false;
 735   if (theFeature.get()) {
 736     std::shared_ptr<GeomDataAPI_Point2D> aPointAttr;
 737     std::string aFeatureKind = theFeature->getKind();
 738     if (aFeatureKind == SketchPlugin_Point::ID())
 739       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 740                                        theFeature->attribute(SketchPlugin_Point::COORD_ID()));
 741     else if (aFeatureKind == SketchPlugin_Circle::ID())
 742       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 743                                        theFeature->attribute(SketchPlugin_Circle::CENTER_ID()));
 744
 745     else if (aFeatureKind == SketchPlugin_Arc::ID())
 746       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 747                                        theFeature->attribute(SketchPlugin_Arc::CENTER_ID()));
 748
 749     /// check that the geometry point with the given coordinates is the checked point
 750     /// e.g. in arc the (x,y) point can not coicide to the center point and it automatically
 751     /// means that this point is not an orphant one.
 752     if (aPointAttr.get()) {
 753       std::shared_ptr<GeomAPI_Pnt2d> aCheckedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 754                                                     new GeomAPI_Pnt2d(theX, theY));
 755       if (!aCheckedPoint->isEqual(aPointAttr->pnt()))
 756         return anOrphanPoint;
 757     }
 758
 759     if (aPointAttr.get()) {
 760       std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointAttr->pnt();
 761       // we need to find coincidence features in results also, because external object(point)
 762       // uses refs to me in another feature.
 763       FeaturePtr aCoincidence = PartSet_Tools::findFirstCoincidence(theFeature, aPoint);
 764       anOrphanPoint = true;
 765       // if there is at least one concident line to the point, the point is not an orphant
 766       if (aCoincidence.get()) {
 767         QList<FeaturePtr> aCoinsideLines;
 768         QList<FeaturePtr> aCoins;
 769         PartSet_Tools::findCoincidences(aCoincidence, aCoinsideLines, aCoins,
 770                                         SketchPlugin_ConstraintCoincidence::ENTITY_A());
 771         PartSet_Tools::findCoincidences(aCoincidence, aCoinsideLines, aCoins,
 772                                         SketchPlugin_ConstraintCoincidence::ENTITY_B());
 773         QList<FeaturePtr>::const_iterator anIt = aCoinsideLines.begin(),
 774                                           aLast = aCoinsideLines.end();
 775         for (; anIt != aLast && anOrphanPoint; anIt++) {
 776           anOrphanPoint = (*anIt)->getKind() != SketchPlugin_Line::ID();
 777         }
 778       }
 779     }
 780   }
 781   return anOrphanPoint;
 782 }
 783
 784 bool PartSet_WidgetPoint2D::shapeContainsPoint(const GeomShapePtr& theShape,
 785                                                const std::shared_ptr<GeomAPI_Pnt2d>& thePoint,
 786                                                const CompositeFeaturePtr& theSketch)
 787 {
 788   std::shared_ptr<GeomAPI_Pnt> aPoint = PartSet_Tools::point3D(thePoint, theSketch);
 789
 790   bool aContainPoint = false;
 791   GeomAPI_ShapeExplorer anExp(theShape, GeomAPI_Shape::VERTEX);
 792   for(; anExp.more() && !aContainPoint; anExp.next()) {
 793     std::shared_ptr<GeomAPI_Shape> aVertexInCompSolid = anExp.current();
 794     std::shared_ptr<GeomAPI_Vertex> aVertex(new GeomAPI_Vertex(aVertexInCompSolid));
 795     if (aVertex.get())
 796       aContainPoint = aPoint->isEqual(aVertex->point());
 797   }
 798   return aContainPoint;
 799 }
 800
 801 AttributeRefAttrPtr PartSet_WidgetPoint2D::attributeRefAttr() const
 802 {
 803   AttributeRefAttrPtr anAttribute;
 804   if (myRefAttribute.empty())
 805     return anAttribute;
 806
 807   AttributePtr anAttributeRef = feature()->attribute(myRefAttribute);
 808   if (!anAttributeRef.get())
 809     return anAttribute;
 810
 811   return std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(anAttributeRef);
 812 }