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