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_SketcherReentrantMgr.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_WidgetValidated.h>
  24 #include <ModuleBase_LabelValue.h>
  25
  26 #include <Config_Keywords.h>
  27 #include <Config_WidgetAPI.h>
  28
  29 #include <Events_Loop.h>
  30 #include <Events_InfoMessage.h>
  31 #include <ModelAPI_Events.h>
  32 #include <ModelAPI_AttributeBoolean.h>
  33 #include <ModelAPI_AttributeRefAttr.h>
  34 #include <ModelAPI_AttributeRefList.h>
  35 #include <ModelAPI_Validator.h>
  36 #include <ModelAPI_Session.h>
  37
  38 #include <ModelAPI_Feature.h>
  39 #include <ModelAPI_Data.h>
  40 #include <ModelAPI_Object.h>
  41 #include <GeomDataAPI_Point2D.h>
  42 #include <GeomAPI_Pnt2d.h>
  43
  44 #include <GeomAPI_ShapeExplorer.h>
  45 #include <GeomAPI_Vertex.h>
  46
  47 #include <SketchPlugin_Feature.h>
  48 #include <SketchPlugin_ConstraintCoincidence.h>
  49 #include <SketchPlugin_Line.h>
  50 #include <SketchPlugin_Arc.h>
  51 #include <SketchPlugin_Circle.h>
  52 #include <SketchPlugin_Point.h>
  53
  54 #include <QGroupBox>
  55 #include <QGridLayout>
  56 #include <QLabel>
  57 #include <QEvent>
  58 #include <QMouseEvent>
  59 #include <QApplication>
  60
  61 #include <TopoDS.hxx>
  62 #include <TopoDS_Vertex.hxx>
  63 #include <BRep_Tool.hxx>
  64
  65 #include <cfloat>
  66 #include <climits>
  67
  68 const double MaxCoordinate = 1e12;
  69
  70 static QStringList MyFeaturesForCoincedence;
  71
  72 PartSet_WidgetPoint2D::PartSet_WidgetPoint2D(QWidget* theParent,
  73                                              ModuleBase_IWorkshop* theWorkshop,
  74                                              const Config_WidgetAPI* theData)
  75 : ModuleBase_ModelWidget(theParent, theData), myWorkshop(theWorkshop),
  76   myValueIsCashed(false), myIsFeatureVisibleInCash(true),
  77   myXValueInCash(0), myYValueInCash(0)
  78 {
  79   myRefAttribute = theData->getProperty("reference_attribute");
  80   if (MyFeaturesForCoincedence.isEmpty()) {
  81     MyFeaturesForCoincedence << SketchPlugin_Line::ID().c_str()
  82       << SketchPlugin_Arc::ID().c_str()
  83       << SketchPlugin_Point::ID().c_str()
  84       << SketchPlugin_Circle::ID().c_str();
  85   }
  86
  87   // the control should accept the focus, so the boolean flag is corrected to be true
  88   myIsObligatory = true;
  89   QString aPageName = QString::fromStdString(theData->getProperty(CONTAINER_PAGE_NAME));
  90   myGroupBox = new QGroupBox(aPageName, theParent);
  91   myGroupBox->setFlat(false);
  92
  93   bool aAcceptVariables = theData->getBooleanAttribute(DOUBLE_WDG_ACCEPT_EXPRESSIONS, true);
  94
  95   QGridLayout* aGroupLay = new QGridLayout(myGroupBox);
  96   ModuleBase_Tools::adjustMargins(aGroupLay);
  97   aGroupLay->setSpacing(2);
  98   aGroupLay->setColumnStretch(1, 1);
  99   {
 100     QLabel* aLabel = new QLabel(myGroupBox);
 101
 102     myXSpin = new ModuleBase_LabelValue(myGroupBox, tr("X"));
 103     //ModuleBase_ParamSpinBox(myGroupBox);
 104     //myXSpin->setAcceptVariables(aAcceptVariables);
 105     //myXSpin->setMinimum(-DBL_MAX);
 106     //myXSpin->setMaximum(DBL_MAX);
 107     //myXSpin->setToolTip(tr("X"));
 108     aGroupLay->addWidget(myXSpin, 0, 1);
 109
 110     //connect(myXSpin, SIGNAL(textChanged(const QString&)), this, SIGNAL(valuesModified()));
 111     //myXSpin->setValueEnabled(isValueEnabled());
 112   }
 113   {
 114     //QLabel* aLabel = new QLabel(myGroupBox);
 115     //aLabel->setText(tr("Y "));
 116     //aGroupLay->addWidget(aLabel, 1, 0);
 117
 118     myYSpin = new ModuleBase_LabelValue(myGroupBox, tr("Y"));
 119     //ModuleBase_ParamSpinBox(myGroupBox);
 120     //myYSpin = new ModuleBase_ParamSpinBox(myGroupBox);
 121     //myYSpin->setAcceptVariables(aAcceptVariables);
 122     //myYSpin->setMinimum(-DBL_MAX);
 123     //myYSpin->setMaximum(DBL_MAX);
 124     //myYSpin->setToolTip(tr("Y"));
 125     aGroupLay->addWidget(myYSpin, 1, 1);
 126
 127     //connect(myYSpin, SIGNAL(textChanged(const QString&)), this, SIGNAL(valuesModified()));
 128     //myYSpin->setValueEnabled(isValueEnabled());
 129   }
 130   QVBoxLayout* aLayout = new QVBoxLayout(this);
 131   ModuleBase_Tools::zeroMargins(aLayout);
 132   aLayout->addWidget(myGroupBox);
 133   setLayout(aLayout);
 134
 135   myWidgetValidator = new ModuleBase_WidgetValidator(this, myWorkshop);
 136 }
 137
 138 bool PartSet_WidgetPoint2D::isValidSelectionCustom(const ModuleBase_ViewerPrsPtr& theValue)
 139 {
 140   bool aValid = true;
 141
 142   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 143   if (aModule->sketchReentranceMgr()->isInternalEditActive())
 144     return true; /// when internal edit is started a new feature is created. I has not results, AIS
 145
 146   /// the selection is not possible if the current feature has no presentation for the current
 147   /// attribute not in AIS not in results. If so, no object in current feature where make
 148   /// coincidence, so selection is not necessary
 149   GeomShapePtr anAISShape;
 150   GeomPresentablePtr aPrs = std::dynamic_pointer_cast<GeomAPI_IPresentable>(myFeature);
 151   if (aPrs.get()) {
 152     AISObjectPtr anAIS;
 153     anAIS = aPrs->getAISObject(anAIS);
 154     if (anAIS.get()) {
 155       anAISShape = anAIS->getShape();
 156     }
 157   }
 158   const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = myFeature->results();
 159   if (!anAISShape.get() && aResults.empty())
 160     return true;
 161
 162   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 163   if (aRefAttr.get())
 164     return isValidSelectionForAttribute_(theValue, myFeature->attribute(attributeID()));
 165   else {
 166     bool aFoundPoint = false;
 167     /// Avoid coincidence build to passed point. Coincidence is build later only if there are no
 168     /// reference attribute.
 169     /// The condition is that the selected feature has shape that has after explore a point
 170     /// equal to clicked one.
 171     std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 172     AttributePoint2DPtr aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 173         aData->attribute(attributeID()));
 174     std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointAttr->pnt();
 175     if (anAISShape.get())
 176       aFoundPoint = shapeExploreHasVertex(anAISShape, aPoint, mySketch);
 177
 178     /// analysis of results
 179     std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.cbegin();
 180     for (; aRIter != aResults.cend() && !aFoundPoint; aRIter++) {
 181       ResultPtr aResult = *aRIter;
 182       if (aResult.get() && aResult->shape().get()) {
 183         GeomShapePtr aShape = aResult->shape();
 184         aFoundPoint = shapeExploreHasVertex(aShape, aPoint, mySketch);
 185       }
 186     }
 187     return aFoundPoint;
 188   }
 189   return true;
 190 }
 191
 192 //********************************************************************
 193 bool PartSet_WidgetPoint2D::isValidSelectionForAttribute_(
 194                                             const ModuleBase_ViewerPrsPtr& theValue,
 195                                             const AttributePtr& theAttribute)
 196 {
 197   bool aValid = false;
 198
 199   // stores the current values of the widget attribute
 200   bool isFlushesActived, isAttributeSetInitializedBlocked, isAttributeSendUpdatedBlocked;
 201
 202   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 203   ModuleBase_WidgetValidated::blockFeatureAttribute(aRefAttr, myFeature, true,
 204       isFlushesActived, isAttributeSetInitializedBlocked, isAttributeSendUpdatedBlocked);
 205   myWidgetValidator->storeAttributeValue(aRefAttr);
 206
 207   // saves the owner value to the widget attribute
 208   aValid = setSelectionCustom(theValue);
 209   if (aValid)
 210     // checks the attribute validity
 211     aValid = myWidgetValidator->isValidAttribute(theAttribute);
 212
 213   // restores the current values of the widget attribute
 214   myWidgetValidator->restoreAttributeValue(aRefAttr, aValid);
 215
 216   ModuleBase_WidgetValidated::blockFeatureAttribute(aRefAttr, myFeature, false, isFlushesActived,
 217                                 isAttributeSetInitializedBlocked, isAttributeSendUpdatedBlocked);
 218   return aValid;
 219 }
 220
 221 bool PartSet_WidgetPoint2D::setSelectionCustom(const ModuleBase_ViewerPrsPtr& theValue)
 222 {
 223   bool isDone = false;
 224   GeomShapePtr aShape = theValue->shape();
 225   if (aShape.get() && !aShape->isNull()) {
 226     Handle(V3d_View) aView = myWorkshop->viewer()->activeView();
 227     double aX, aY;
 228     const TopoDS_Shape& aTDShape = aShape->impl<TopoDS_Shape>();
 229     if (getPoint2d(aView, aTDShape, aX, aY)) {
 230       fillRefAttribute(aX, aY);
 231       isDone = true;
 232     }
 233     else if (aTDShape.ShapeType() == TopAbs_EDGE) {
 234       fillRefAttribute(theValue->object());
 235       isDone = true;
 236     }
 237   }
 238   return isDone;
 239 }
 240
 241 bool PartSet_WidgetPoint2D::resetCustom()
 242 {
 243   bool aDone = false;
 244   if (!isUseReset() || isComputedDefault()
 245       /*|| myXSpin->hasVariable() || myYSpin->hasVariable()*/) {
 246     aDone = false;
 247   }
 248   else {
 249     if (myValueIsCashed) {
 250       // if the restored value should be hidden, aDone = true to set
 251       // reset state for the widget in the parent
 252       aDone = restoreCurentValue();
 253       emit objectUpdated();
 254     }
 255     else {
 256       bool isOk;
 257       double aDefValue = QString::fromStdString(getDefaultValue()).toDouble(&isOk);
 258       // it is important to block the spin box control in order to do not through out the
 259       // locking of the validating state.
 260       myXSpin->setValue(isOk ? aDefValue : 0.0);
 261       myYSpin->setValue(isOk ? aDefValue : 0.0);
 262
 263       //ModuleBase_Tools::setSpinValue(myXSpin, isOk ? aDefValue : 0.0);
 264       //ModuleBase_Tools::setSpinValue(myYSpin, isOk ? aDefValue : 0.0);
 265       storeValueCustom();
 266       aDone = true;
 267     }
 268   }
 269   return aDone;
 270 }
 271
 272 PartSet_WidgetPoint2D::~PartSet_WidgetPoint2D()
 273 {
 274 }
 275
 276 bool PartSet_WidgetPoint2D::setSelection(QList<ModuleBase_ViewerPrsPtr>& theValues,
 277                                          const bool theToValidate)
 278 {
 279   bool isDone = false;
 280   if (theValues.empty())
 281     return isDone;
 282
 283   ModuleBase_ViewerPrsPtr aValue = theValues.takeFirst();
 284
 285   if (!theToValidate || myWidgetValidator->isValidSelection(aValue)) {
 286     GeomShapePtr aShape = aValue->shape();
 287     if (aShape.get() && !aShape->isNull()) {
 288       Handle(V3d_View) aView = myWorkshop->viewer()->activeView();
 289       double aX, aY;
 290       const TopoDS_Shape& aTDShape = aShape->impl<TopoDS_Shape>();
 291       if (getPoint2d(aView, aTDShape, aX, aY)) {
 292         isDone = setPoint(aX, aY);
 293         setConstraintToPoint(aX, aY);
 294       }
 295     }
 296   }
 297   return isDone;
 298 }
 299
 300 void PartSet_WidgetPoint2D::selectContent()
 301 {
 302  // myXSpin->selectAll();
 303 }
 304
 305 bool PartSet_WidgetPoint2D::setPoint(double theX, double theY)
 306 {
 307   if (fabs(theX) >= MaxCoordinate)
 308     return false;
 309   if (fabs(theY) >= MaxCoordinate)
 310     return false;
 311
 312   myXSpin->setValue(theX);
 313   myYSpin->setValue(theY);
 314
 315   //ModuleBase_Tools::setSpinValue(myXSpin, theX);
 316   //ModuleBase_Tools::setSpinValue(myYSpin, theY);
 317
 318   storeValue();
 319   return true;
 320 }
 321
 322 bool PartSet_WidgetPoint2D::storeValueCustom()
 323 {
 324   std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 325   if (!aData) // can be on abort of sketcher element
 326     return false;
 327   AttributePoint2DPtr aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 328       aData->attribute(attributeID()));
 329
 330   PartSet_WidgetPoint2D* that = (PartSet_WidgetPoint2D*) this;
 331   bool isBlocked = that->blockSignals(true);
 332   bool isImmutable = aPoint->setImmutable(true);
 333
 334   // if text is not empty then setValue will be ignored
 335   // so we should set the text at first
 336   //aPoint->setText(myXSpin->hasVariable() ? myXSpin->text().toStdString() : "",
 337   //                myYSpin->hasVariable() ? myYSpin->text().toStdString() : "");
 338   //aPoint->setValue(!myXSpin->hasVariable() ? myXSpin->value() : aPoint->x(),
 339   //                 !myYSpin->hasVariable() ? myYSpin->value() : aPoint->y());
 340   aPoint->setValue(myXSpin->value(), myYSpin->value());
 341
 342   // after movement the solver will call the update event: optimization
 343   moveObject(myFeature);
 344   aPoint->setImmutable(isImmutable);
 345   that->blockSignals(isBlocked);
 346
 347   return true;
 348 }
 349
 350 bool PartSet_WidgetPoint2D::restoreValueCustom()
 351 {
 352   std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 353   AttributePoint2DPtr aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 354       aData->attribute(attributeID()));
 355   double aValueX = aPoint->isInitialized() ? aPoint->x() : 0.;
 356   double aValueY = aPoint->isInitialized() ? aPoint->y() : 0.;
 357   myXSpin->setValue(aValueX);
 358   myYSpin->setValue(aValueY);
 359
 360   return true;
 361 }
 362
 363 void PartSet_WidgetPoint2D::storeCurentValue()
 364 {
 365   // do not use cash if a variable is used
 366   //if (myXSpin->hasVariable() || myYSpin->hasVariable())
 367   //  return;
 368
 369   myValueIsCashed = true;
 370   myIsFeatureVisibleInCash = XGUI_Displayer::isVisible(
 371                        XGUI_Tools::workshop(myWorkshop)->displayer(), myFeature);
 372   myXValueInCash = myXSpin->value();
 373   myYValueInCash = myYSpin->value();
 374 }
 375
 376 bool PartSet_WidgetPoint2D::restoreCurentValue()
 377 {
 378   bool aRestoredAndHidden = true;
 379
 380   bool isVisible = myIsFeatureVisibleInCash;
 381   // fill the control widgets by the cashed value
 382
 383   myValueIsCashed = false;
 384   myIsFeatureVisibleInCash = true;
 385   myXSpin->setValue(myXValueInCash);
 386   myYSpin->setValue(myYValueInCash);
 387   //ModuleBase_Tools::setSpinValue(myXSpin, myXValueInCash);
 388   //ModuleBase_Tools::setSpinValue(myYSpin, myYValueInCash);
 389
 390   // store value to the model
 391   storeValueCustom();
 392   if (isVisible) {
 393     setValueState(Stored);
 394     aRestoredAndHidden = false;
 395   }
 396   else
 397     aRestoredAndHidden = true;
 398
 399   return aRestoredAndHidden;
 400 }
 401
 402 QList<QWidget*> PartSet_WidgetPoint2D::getControls() const
 403 {
 404   QList<QWidget*> aControls;
 405   aControls.append(myXSpin);
 406   aControls.append(myYSpin);
 407   return aControls;
 408 }
 409
 410
 411 void PartSet_WidgetPoint2D::activateCustom()
 412 {
 413   QIntList aModes;
 414   aModes << TopAbs_VERTEX;
 415   aModes << TopAbs_EDGE;
 416   myWorkshop->activateSubShapesSelection(aModes);
 417
 418   if (!isEditingMode()) {
 419     FeaturePtr aFeature = feature();
 420     if (aFeature.get() && aFeature->getKind() == SketchPlugin_Point::ID())
 421       storeValue();
 422   }
 423 }
 424
 425 void PartSet_WidgetPoint2D::setHighlighted(bool isHighlighted)
 426 {
 427 }
 428
 429 void PartSet_WidgetPoint2D::deactivate()
 430 {
 431   // the value of the control should be stored to model if it was not
 432   // initialized yet. It is important when we leave this control by Tab key.
 433   // It should not be performed by the widget activation as the preview
 434   // is visualized with default value. Line point is moved to origin.
 435   AttributePtr anAttribute = myFeature->data()->attribute(attributeID());
 436   if (anAttribute && !anAttribute->isInitialized())
 437     storeValue();
 438
 439   ModuleBase_ModelWidget::deactivate();
 440   myWorkshop->deactivateSubShapesSelection();
 441 }
 442
 443 bool PartSet_WidgetPoint2D::getPoint2d(const Handle(V3d_View)& theView,
 444                                        const TopoDS_Shape& theShape,
 445                                        double& theX, double& theY) const
 446 {
 447   if (!theShape.IsNull()) {
 448     if (theShape.ShapeType() == TopAbs_VERTEX) {
 449       const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 450       if (!aVertex.IsNull()) {
 451         // A case when point is taken from existing vertex
 452         gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 453         PartSet_Tools::convertTo2D(aPoint, mySketch, theView, theX, theY);
 454         return true;
 455       }
 456     }
 457   }
 458   return false;
 459 }
 460
 461 bool PartSet_WidgetPoint2D::setConstraintToPoint(double theClickedX, double theClickedY)
 462 {
 463   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 464   if (aRefAttr.get())
 465     fillRefAttribute(theClickedX, theClickedY);
 466   else {
 467     FeaturePtr aFeature = feature();
 468     std::string anAttribute = attributeID();
 469
 470     if (!aFeature.get())
 471       return false;
 472
 473     std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 474                                      new GeomAPI_Pnt2d(theClickedX, theClickedY));
 475     AttributePoint2DPtr aClickedFeaturePoint = findFirstEqualPointInSketch(mySketch,
 476                                                            aFeature, aClickedPoint);
 477     if (!aClickedFeaturePoint.get())
 478       return false;
 479
 480   //  aRefAttr->setAttr(aClickedFeaturePoint);
 481   //else {
 482     // find a feature point by the selection mode
 483     AttributePoint2DPtr aFeaturePoint;
 484     if (aFeature->isMacro()) {
 485       // the macro feature will be removed after the operation is stopped, so we need to build
 486       // coicidence to possible sub-features
 487       aFeaturePoint = findFirstEqualPointInArgumentFeatures(aFeature, aClickedPoint);
 488     }
 489     else {
 490       aFeaturePoint = std::dynamic_pointer_cast<
 491                                      GeomDataAPI_Point2D>(aFeature->data()->attribute(anAttribute));
 492     }
 493     if (!aFeaturePoint.get())
 494       return false;
 495
 496     PartSet_Tools::createConstraint(mySketch, aClickedFeaturePoint, aFeaturePoint);
 497   }
 498   return true;
 499 }
 500
 501 bool PartSet_WidgetPoint2D::setConstraintToObject(const ObjectPtr& theObject)
 502 {
 503   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 504   if (aRefAttr.get()) {
 505     fillRefAttribute(theObject);
 506   }
 507   else {
 508     AttributePoint2DPtr aFeaturePoint;
 509
 510     if (feature()->isMacro()) {
 511       AttributePtr aThisAttr = feature()->data()->attribute(attributeID());
 512       AttributePoint2DPtr anAttrPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aThisAttr);
 513       if (anAttrPoint.get()) {
 514         // the macro feature will be removed after the operation is stopped, so we need to build
 515         // coicidence to possible sub-features
 516         aFeaturePoint = findFirstEqualPointInArgumentFeatures(feature(),
 517                                                                    anAttrPoint->pnt());
 518       }
 519     }
 520     else {
 521       AttributePtr aThisAttr = feature()->data()->attribute(attributeID());
 522       aFeaturePoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aThisAttr);
 523     }
 524     if (!aFeaturePoint.get())
 525       return false;
 526
 527     // Create point-edge coincedence
 528     FeaturePtr aFeature = mySketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 529     std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 530
 531     std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 532         ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 533
 534     aRef1->setAttr(aFeaturePoint);
 535
 536     std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 537         ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 538     aRef2->setObject(theObject);
 539
 540     // we need to flush created signal in order to coincidence is processed by solver
 541     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 542   }
 543   return true;
 544 }
 545
 546 void PartSet_WidgetPoint2D::mouseReleased(ModuleBase_IViewWindow* theWindow, QMouseEvent* theEvent)
 547 {
 548   // the contex menu release by the right button should not be processed by this widget
 549   if (theEvent->button() != Qt::LeftButton)
 550     return;
 551
 552   ModuleBase_ISelection* aSelection = myWorkshop->selection();
 553   Handle(V3d_View) aView = theWindow->v3dView();
 554
 555   QList<ModuleBase_ViewerPrsPtr> aList = aSelection->getSelected(ModuleBase_ISelection::Viewer);
 556   ModuleBase_ViewerPrsPtr aFirstValue =
 557     aList.size() > 0 ? aList.first() : ModuleBase_ViewerPrsPtr();
 558   if (!aFirstValue.get() && myPreSelected.get()) {
 559     aFirstValue = myPreSelected;
 560   }
 561   // if we have selection and use it
 562   if (aFirstValue.get() && isValidSelectionCustom(aFirstValue) &&
 563       aFirstValue->shape().get()) { /// Trihedron Axis may be selected, but shape is empty
 564     GeomShapePtr aGeomShape = aFirstValue->shape();
 565     TopoDS_Shape aShape = aGeomShape->impl<TopoDS_Shape>();
 566     ObjectPtr aObject = aFirstValue->object();
 567
 568     FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(aObject);
 569     bool anExternal = false;
 570     std::shared_ptr<SketchPlugin_Feature> aSPFeature;
 571     if (aSelectedFeature.get() != NULL)
 572       aSPFeature = std::dynamic_pointer_cast<SketchPlugin_Feature>(aSelectedFeature);
 573
 574     ResultPtr aFixedObject;
 575     bool aSketchExternalFeature = aSPFeature.get() && aSPFeature->isExternal();
 576     if ((!aSPFeature && !aShape.IsNull()) || aSketchExternalFeature) {
 577       aFixedObject = PartSet_Tools::findFixedObjectByExternal(aShape, aObject, mySketch);
 578       if (aSketchExternalFeature && !aFixedObject.get()) {/// local selection on external feature
 579         anExternal = false;
 580       }
 581       else {
 582         anExternal = true;
 583         if (!aFixedObject.get())
 584           aFixedObject = PartSet_Tools::createFixedObjectByExternal(aShape, aObject, mySketch);
 585       }
 586     }
 587     if (anExternal) {
 588       double aX, aY;
 589       if (getPoint2d(aView, aShape, aX, aY) && isFeatureContainsPoint(myFeature, aX, aY)) {
 590         // do not create a constraint to the point, which already used by the feature
 591         // if the feature contains the point, focus is not switched
 592         setPoint(aX, aY);
 593       }
 594       else {
 595         if (getPoint2d(aView, aShape, aX, aY))
 596           setPoint(aX, aY);
 597         else {
 598           if (aShape.ShapeType() == TopAbs_EDGE) {
 599             // point is taken from mouse event and set in attribute. It should be done before set
 600             // coinident constraint to the external line. If a point is created, it should be in
 601             // the mouse clicked point
 602             gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(),
 603                                                                theWindow->v3dView());
 604             PartSet_Tools::convertTo2D(aPoint, mySketch, aView, aX, aY);
 605             setPoint(aX, aY);
 606           }
 607           setValueState(Stored); // in case of edge selection, Apply state should also be updated
 608         }
 609         bool anOrphanPoint = aShape.ShapeType() == TopAbs_VERTEX ||
 610                               isOrphanPoint(aSelectedFeature, mySketch, aX, aY);
 611         if (anExternal) {
 612           // we should not stop reentrant operation on external objects because
 613           anOrphanPoint = true;
 614           // they are not participate in the contour creation excepting external vertices
 615           if (aShape.ShapeType() == TopAbs_VERTEX) {
 616             FeaturePtr aFixedFeature = ModelAPI_Feature::feature(aFixedObject);
 617             if (aFixedFeature.get() && aFixedFeature->getKind() == SketchPlugin_Point::ID()) {
 618               anOrphanPoint = isOrphanPoint(aFixedFeature, mySketch, aX, aY);
 619             }
 620           }
 621         }
 622         if (aFixedObject.get())
 623           setConstraintToObject(aFixedObject);
 624         // fignal updated should be flushed in order to visualize possible created
 625         // external objects e.g. selection of trihedron axis when input end arc point
 626         updateObject(feature());
 627
 628         if (!anOrphanPoint)
 629           emit vertexSelected(); // it stops the reentrant operation
 630
 631         emit focusOutWidget(this);
 632       }
 633     }
 634     if (!anExternal) {
 635       double aX, aY;
 636       bool isProcessed = false;
 637       if (getPoint2d(aView, aShape, aX, aY) && isFeatureContainsPoint(myFeature, aX, aY)) {
 638         // when the point is selected, the coordinates of the point should be set into the attribute
 639         // if the feature contains the point, focus is not switched
 640         setPoint(aX, aY);
 641       }
 642       else {
 643         bool anOrphanPoint = isOrphanPoint(aSelectedFeature, mySketch, aX, aY);
 644         // do not set a coincidence constraint in the attribute if the feature contains a point
 645         // with the same coordinates. It is important for line creation in order to do not set
 646         // the same constraints for the same points, oterwise the result line has zero length.
 647         bool isAuxiliaryFeature = false;
 648         if (getPoint2d(aView, aShape, aX, aY)) {
 649           setPoint(aX, aY);
 650           setConstraintToPoint(aX, aY);
 651         }
 652         else if (aShape.ShapeType() == TopAbs_EDGE) {
 653           // point is taken from mouse event and set in attribute. It should be done before setting
 654           // coinident constraint to the external line. If a point is created, it should be in
 655           // the mouse clicked point
 656           gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 657           PartSet_Tools::convertTo2D(aPoint, mySketch, aView, aX, aY);
 658           setPoint(aX, aY);
 659           setConstraintToObject(aObject);
 660           setValueState(Stored); // in case of edge selection, Apply state should also be updated
 661           isAuxiliaryFeature = PartSet_Tools::isAuxiliarySketchEntity(aObject);
 662         }
 663         // it is important to perform updateObject() in order to the current value is
 664         // processed by Sketch Solver. Test case: line is created from a previous point
 665         // to some distance, but in the area of the highlighting of the point. Constraint
 666         // coincidence is created, after the solver is performed, the distance between the
 667         // points of the line becomes less than the tolerance. Validator of the line returns
 668         // false, the line will be aborted, but sketch stays valid.
 669         updateObject(feature());
 670         if (!anOrphanPoint && !anExternal && !isAuxiliaryFeature)
 671           emit vertexSelected();
 672         emit focusOutWidget(this);
 673       }
 674     }
 675   }
 676   // End of Bug dependent fragment
 677   else {
 678     // A case when point is taken from mouse event
 679     gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 680     double aX, anY;
 681     PartSet_Tools::convertTo2D(aPoint, mySketch, aView, aX, anY);
 682
 683     // if the feature contains the point, focus is not switched
 684     if (!setPoint(aX, anY) || isFeatureContainsPoint(myFeature, aX, anY))
 685       return;
 686
 687     emit focusOutWidget(this);
 688   }
 689 }
 690
 691 void PartSet_WidgetPoint2D::setPreSelection(
 692                                const std::shared_ptr<ModuleBase_ViewerPrs>& thePreSelected,
 693                                ModuleBase_IViewWindow* theWnd,
 694                                QMouseEvent* theEvent)
 695 {
 696   myPreSelected = thePreSelected;
 697   mouseReleased(theWnd, theEvent);
 698   myPreSelected = ModuleBase_ViewerPrsPtr();
 699 }
 700
 701 void PartSet_WidgetPoint2D::mouseMoved(ModuleBase_IViewWindow* theWindow, QMouseEvent* theEvent)
 702 {
 703   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 704
 705   if (isEditingMode() || aModule->sketchReentranceMgr()->isInternalEditActive())
 706     return;
 707
 708   gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 709
 710   double aX, anY;
 711   PartSet_Tools::convertTo2D(aPoint, mySketch, theWindow->v3dView(), aX, anY);
 712   if (myState != ModifiedInViewer)
 713     storeCurentValue();
 714   // we need to block the value state change
 715   bool isBlocked = blockValueState(true);
 716   setPoint(aX, anY);
 717   blockValueState(isBlocked);
 718   setValueState(ModifiedInViewer);
 719 }
 720
 721 double PartSet_WidgetPoint2D::x() const
 722 {
 723   return myXSpin->value();
 724 }
 725
 726 double PartSet_WidgetPoint2D::y() const
 727 {
 728   return myYSpin->value();
 729 }
 730
 731
 732 bool PartSet_WidgetPoint2D::isFeatureContainsPoint(const FeaturePtr& theFeature,
 733                                                    double theX, double theY)
 734 {
 735   bool aPointIsFound = false;
 736
 737   if (feature()->getKind() != SketchPlugin_Line::ID())
 738     return aPointIsFound;
 739
 740   AttributePtr aWidgetAttribute = myFeature->attribute(attributeID());
 741
 742   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 743                                     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 744   std::list<AttributePtr> anAttributes =
 745                                 myFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 746   std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 747   for(; anIter != anAttributes.end() && !aPointIsFound; anIter++) {
 748     AttributePoint2DPtr aPoint2DAttribute =
 749       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 750     if (aPoint2DAttribute == aWidgetAttribute)
 751       continue;
 752     if (aPoint2DAttribute.get() && aPoint2DAttribute->isInitialized()) {
 753       aPointIsFound = aPoint2DAttribute->pnt()->isEqual(aPnt2d);
 754     }
 755   }
 756   return aPointIsFound;
 757 }
 758
 759 void PartSet_WidgetPoint2D::initializeValueByActivate()
 760 {
 761 }
 762
 763 /*void PartSet_WidgetPoint2D::onValuesChanged()
 764 {
 765   emit valuesChanged();
 766 }*/
 767
 768 bool PartSet_WidgetPoint2D::processEnter()
 769 {
 770   return false;
 771   /*bool isModified = getValueState() == ModifiedInPP;
 772   if (isModified) {
 773     bool isXModified = myXSpin->hasFocus();
 774     emit valuesChanged();
 775     if (isXModified)
 776       myXSpin->selectAll();
 777     else
 778       myYSpin->selectAll();
 779   }
 780   return isModified;*/
 781 }
 782
 783 bool PartSet_WidgetPoint2D::useSelectedShapes() const
 784 {
 785   return true;
 786 }
 787
 788 bool PartSet_WidgetPoint2D::isOrphanPoint(const FeaturePtr& theFeature,
 789                                           const CompositeFeaturePtr& theSketch,
 790                                           double theX, double theY)
 791 {
 792   bool anOrphanPoint = false;
 793   if (theFeature.get()) {
 794     AttributePoint2DPtr aPointAttr;
 795     std::string aFeatureKind = theFeature->getKind();
 796     if (aFeatureKind == SketchPlugin_Point::ID())
 797       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 798                                        theFeature->attribute(SketchPlugin_Point::COORD_ID()));
 799     else if (aFeatureKind == SketchPlugin_Circle::ID())
 800       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 801                                        theFeature->attribute(SketchPlugin_Circle::CENTER_ID()));
 802
 803     else if (aFeatureKind == SketchPlugin_Arc::ID())
 804       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 805                                        theFeature->attribute(SketchPlugin_Arc::CENTER_ID()));
 806
 807     /// check that the geometry point with the given coordinates is the checked point
 808     /// e.g. in arc the (x,y) point can not coicide to the center point and it automatically
 809     /// means that this point is not an orphant one.
 810     if (aPointAttr.get()) {
 811       std::shared_ptr<GeomAPI_Pnt2d> aCheckedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 812                                                     new GeomAPI_Pnt2d(theX, theY));
 813       if (!aCheckedPoint->isEqual(aPointAttr->pnt()))
 814         return anOrphanPoint;
 815     }
 816
 817     if (aPointAttr.get()) {
 818       std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointAttr->pnt();
 819       // we need to find coincidence features in results also, because external object(point)
 820       // uses refs to me in another feature.
 821       FeaturePtr aCoincidence = PartSet_Tools::findFirstCoincidence(theFeature, aPoint);
 822       anOrphanPoint = true;
 823       // if there is at least one concident line to the point, the point is not an orphant
 824       if (aCoincidence.get()) {
 825         QList<FeaturePtr> aCoinsideLines;
 826         QList<FeaturePtr> aCoins;
 827         PartSet_Tools::findCoincidences(aCoincidence, aCoinsideLines, aCoins,
 828                                         SketchPlugin_ConstraintCoincidence::ENTITY_A());
 829         PartSet_Tools::findCoincidences(aCoincidence, aCoinsideLines, aCoins,
 830                                         SketchPlugin_ConstraintCoincidence::ENTITY_B());
 831         QList<FeaturePtr>::const_iterator anIt = aCoinsideLines.begin(),
 832                                           aLast = aCoinsideLines.end();
 833         for (; anIt != aLast && anOrphanPoint; anIt++) {
 834           anOrphanPoint = (*anIt)->getKind() != SketchPlugin_Line::ID();
 835         }
 836       }
 837     }
 838   }
 839   return anOrphanPoint;
 840 }
 841
 842 bool PartSet_WidgetPoint2D::shapeExploreHasVertex(const GeomShapePtr& theShape,
 843                                                   const std::shared_ptr<GeomAPI_Pnt2d>& thePoint,
 844                                                   const CompositeFeaturePtr& theSketch)
 845 {
 846   std::shared_ptr<GeomAPI_Pnt> aPoint = PartSet_Tools::point3D(thePoint, theSketch);
 847
 848   bool aContainPoint = false;
 849   GeomAPI_ShapeExplorer anExp(theShape, GeomAPI_Shape::VERTEX);
 850   for(; anExp.more() && !aContainPoint; anExp.next()) {
 851     std::shared_ptr<GeomAPI_Shape> aVertexInCompSolid = anExp.current();
 852     std::shared_ptr<GeomAPI_Vertex> aVertex(new GeomAPI_Vertex(aVertexInCompSolid));
 853     if (aVertex.get())
 854       aContainPoint = aPoint->isEqual(aVertex->point());
 855   }
 856   return aContainPoint;
 857 }
 858
 859 AttributeRefAttrPtr PartSet_WidgetPoint2D::attributeRefAttr() const
 860 {
 861   AttributeRefAttrPtr anAttribute;
 862   if (myRefAttribute.empty())
 863     return anAttribute;
 864
 865   AttributePtr anAttributeRef = feature()->attribute(myRefAttribute);
 866   if (!anAttributeRef.get())
 867     return anAttribute;
 868
 869   return std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(anAttributeRef);
 870 }
 871
 872 void PartSet_WidgetPoint2D::fillRefAttribute(double theClickedX, double theClickedY)
 873 {
 874   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 875   if (!aRefAttr.get())
 876     return;
 877
 878   FeaturePtr aFeature = feature();
 879   std::string anAttribute = attributeID();
 880
 881   if (aFeature.get()) {
 882     std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 883                                       new GeomAPI_Pnt2d(theClickedX, theClickedY));
 884     AttributePoint2DPtr aClickedFeaturePoint = findFirstEqualPointInSketch(mySketch,
 885                                                             aFeature, aClickedPoint);
 886     if (aClickedFeaturePoint.get())
 887       aRefAttr->setAttr(aClickedFeaturePoint);
 888   }
 889 }
 890
 891 void PartSet_WidgetPoint2D::fillRefAttribute(const ObjectPtr& theObject)
 892 {
 893   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 894   if (aRefAttr.get())
 895     aRefAttr->setObject(theObject);
 896 }
 897
 898 std::shared_ptr<GeomDataAPI_Point2D> PartSet_WidgetPoint2D::findFirstEqualPointInArgumentFeatures(
 899                   const FeaturePtr& theFeature, const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
 900 {
 901   std::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint;
 902
 903   // may be feature is not updated yet, execute is not performed and references features
 904   // are not created. Case: rectangle macro feature
 905   ModuleBase_Tools::flushUpdated(theFeature);
 906
 907   std::list<AttributePtr> anAttributes = theFeature->data()->attributes(
 908                                           ModelAPI_AttributeRefList::typeId());
 909   std::list<AttributePtr>::const_iterator anIt = anAttributes.begin(), aLast = anAttributes.end();
 910   for (; anIt != aLast && !aFeaturePoint.get(); anIt++) {
 911     std::shared_ptr<ModelAPI_AttributeRefList> aCurSelList =
 912                                       std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(*anIt);
 913     for (int i = 0, aNb = aCurSelList->size(); i < aNb && !aFeaturePoint.get(); i++) {
 914       ObjectPtr anObject = aCurSelList->object(i);
 915       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
 916       if (aFeature.get())
 917         aFeaturePoint = findFirstEqualPoint(aFeature, thePoint);
 918     }
 919   }
 920   return aFeaturePoint;
 921 }
 922
 923 std::shared_ptr<GeomDataAPI_Point2D> PartSet_WidgetPoint2D::findFirstEqualPoint(
 924                                               const FeaturePtr& theFeature,
 925                                               const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
 926 {
 927   std::shared_ptr<GeomDataAPI_Point2D> aFPoint;
 928
 929   // find the given point in the feature attributes
 930   std::list<std::shared_ptr<ModelAPI_Attribute> > anAttiributes =
 931                                     theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 932   std::list<std::shared_ptr<ModelAPI_Attribute> >::const_iterator anIt = anAttiributes.begin(),
 933       aLast = anAttiributes.end();
 934   ModelAPI_ValidatorsFactory* aValidators = ModelAPI_Session::get()->validators();
 935
 936   for (; anIt != aLast && !aFPoint; anIt++) {
 937     std::shared_ptr<GeomDataAPI_Point2D> aCurPoint =
 938                                              std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
 939     if (aCurPoint && aCurPoint->isInitialized() &&
 940         aValidators->isCase(theFeature, aCurPoint->id()) &&
 941         (aCurPoint->pnt()->distance(thePoint) < Precision::Confusion())) {
 942       aFPoint = aCurPoint;
 943       break;
 944     }
 945   }
 946   return aFPoint;
 947 }
 948
 949 std::shared_ptr<GeomDataAPI_Point2D> PartSet_WidgetPoint2D::findFirstEqualPointInSketch(
 950                                     const CompositeFeaturePtr& theSketch,
 951                                     const FeaturePtr& theSkipFeature,
 952                                     const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
 953 {
 954   // get all sketch features. If the point with the given coordinates belong to any sketch feature,
 955   // the constraint is created between the feature point and the found sketch point
 956   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 957   std::shared_ptr<ModelAPI_AttributeRefList> aRefList = std::dynamic_pointer_cast<
 958       ModelAPI_AttributeRefList>(aData->attribute(SketchPlugin_Sketch::FEATURES_ID()));
 959
 960   std::list<ObjectPtr> aFeatures = aRefList->list();
 961   std::list<ObjectPtr>::const_iterator anIt = aFeatures.begin(), aLast = aFeatures.end();
 962   std::list<std::shared_ptr<ModelAPI_Attribute> > anAttiributes;
 963
 964   std::shared_ptr<GeomDataAPI_Point2D> aFPoint;
 965   for (; anIt != aLast; anIt++) {
 966     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anIt);
 967     if (!aFeature.get() || (theSkipFeature.get() && theSkipFeature == aFeature))
 968       continue;
 969     aFPoint = PartSet_WidgetPoint2D::findFirstEqualPoint(aFeature, thePoint);
 970     if (aFPoint.get())
 971       break;
 972   }
 973   return aFPoint;
 974 }