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   GeomShapePtr aShape = aValue->shape();
 285   if (aShape.get() && !aShape->isNull()) {
 286     Handle(V3d_View) aView = myWorkshop->viewer()->activeView();
 287     double aX, aY;
 288     const TopoDS_Shape& aTDShape = aShape->impl<TopoDS_Shape>();
 289     if (getPoint2d(aView, aTDShape, aX, aY)) {
 290       isDone = setPoint(aX, aY);
 291       setConstraintToPoint(aX, aY);
 292     }
 293   }
 294   return isDone;
 295 }
 296
 297 void PartSet_WidgetPoint2D::selectContent()
 298 {
 299  // myXSpin->selectAll();
 300 }
 301
 302 bool PartSet_WidgetPoint2D::setPoint(double theX, double theY)
 303 {
 304   if (fabs(theX) >= MaxCoordinate)
 305     return false;
 306   if (fabs(theY) >= MaxCoordinate)
 307     return false;
 308
 309   myXSpin->setValue(theX);
 310   myYSpin->setValue(theY);
 311
 312   //ModuleBase_Tools::setSpinValue(myXSpin, theX);
 313   //ModuleBase_Tools::setSpinValue(myYSpin, theY);
 314
 315   storeValue();
 316   return true;
 317 }
 318
 319 bool PartSet_WidgetPoint2D::storeValueCustom()
 320 {
 321   std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 322   if (!aData) // can be on abort of sketcher element
 323     return false;
 324   AttributePoint2DPtr aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 325       aData->attribute(attributeID()));
 326
 327   PartSet_WidgetPoint2D* that = (PartSet_WidgetPoint2D*) this;
 328   bool isBlocked = that->blockSignals(true);
 329   bool isImmutable = aPoint->setImmutable(true);
 330
 331   // if text is not empty then setValue will be ignored
 332   // so we should set the text at first
 333   //aPoint->setText(myXSpin->hasVariable() ? myXSpin->text().toStdString() : "",
 334   //                myYSpin->hasVariable() ? myYSpin->text().toStdString() : "");
 335   //aPoint->setValue(!myXSpin->hasVariable() ? myXSpin->value() : aPoint->x(),
 336   //                 !myYSpin->hasVariable() ? myYSpin->value() : aPoint->y());
 337   aPoint->setValue(myXSpin->value(), myYSpin->value());
 338
 339   // after movement the solver will call the update event: optimization
 340   moveObject(myFeature);
 341   aPoint->setImmutable(isImmutable);
 342   that->blockSignals(isBlocked);
 343
 344   return true;
 345 }
 346
 347 bool PartSet_WidgetPoint2D::restoreValueCustom()
 348 {
 349   std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 350   AttributePoint2DPtr aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 351       aData->attribute(attributeID()));
 352   double aValueX = aPoint->isInitialized() ? aPoint->x() : 0.;
 353   double aValueY = aPoint->isInitialized() ? aPoint->y() : 0.;
 354   myXSpin->setValue(aValueX);
 355   myYSpin->setValue(aValueY);
 356
 357   return true;
 358 }
 359
 360 void PartSet_WidgetPoint2D::storeCurentValue()
 361 {
 362   // do not use cash if a variable is used
 363   //if (myXSpin->hasVariable() || myYSpin->hasVariable())
 364   //  return;
 365
 366   myValueIsCashed = true;
 367   myIsFeatureVisibleInCash = XGUI_Displayer::isVisible(
 368                        XGUI_Tools::workshop(myWorkshop)->displayer(), myFeature);
 369   myXValueInCash = myXSpin->value();
 370   myYValueInCash = myYSpin->value();
 371 }
 372
 373 bool PartSet_WidgetPoint2D::restoreCurentValue()
 374 {
 375   bool aRestoredAndHidden = true;
 376
 377   bool isVisible = myIsFeatureVisibleInCash;
 378   // fill the control widgets by the cashed value
 379
 380   myValueIsCashed = false;
 381   myIsFeatureVisibleInCash = true;
 382   myXSpin->setValue(myXValueInCash);
 383   myYSpin->setValue(myYValueInCash);
 384   //ModuleBase_Tools::setSpinValue(myXSpin, myXValueInCash);
 385   //ModuleBase_Tools::setSpinValue(myYSpin, myYValueInCash);
 386
 387   // store value to the model
 388   storeValueCustom();
 389   if (isVisible) {
 390     setValueState(Stored);
 391     aRestoredAndHidden = false;
 392   }
 393   else
 394     aRestoredAndHidden = true;
 395
 396   return aRestoredAndHidden;
 397 }
 398
 399 QList<QWidget*> PartSet_WidgetPoint2D::getControls() const
 400 {
 401   QList<QWidget*> aControls;
 402   aControls.append(myXSpin);
 403   aControls.append(myYSpin);
 404   return aControls;
 405 }
 406
 407
 408 void PartSet_WidgetPoint2D::activateCustom()
 409 {
 410   QIntList aModes;
 411   aModes << TopAbs_VERTEX;
 412   aModes << TopAbs_EDGE;
 413   myWorkshop->activateSubShapesSelection(aModes);
 414
 415   if (!isEditingMode()) {
 416     FeaturePtr aFeature = feature();
 417     if (aFeature.get() && aFeature->getKind() == SketchPlugin_Point::ID())
 418       storeValue();
 419   }
 420 }
 421
 422 void PartSet_WidgetPoint2D::setHighlighted(bool isHighlighted)
 423 {
 424 }
 425
 426 void PartSet_WidgetPoint2D::deactivate()
 427 {
 428   // the value of the control should be stored to model if it was not
 429   // initialized yet. It is important when we leave this control by Tab key.
 430   // It should not be performed by the widget activation as the preview
 431   // is visualized with default value. Line point is moved to origin.
 432   AttributePtr anAttribute = myFeature->data()->attribute(attributeID());
 433   if (anAttribute && !anAttribute->isInitialized())
 434     storeValue();
 435
 436   ModuleBase_ModelWidget::deactivate();
 437   myWorkshop->deactivateSubShapesSelection();
 438 }
 439
 440 bool PartSet_WidgetPoint2D::getPoint2d(const Handle(V3d_View)& theView,
 441                                        const TopoDS_Shape& theShape,
 442                                        double& theX, double& theY) const
 443 {
 444   if (!theShape.IsNull()) {
 445     if (theShape.ShapeType() == TopAbs_VERTEX) {
 446       const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 447       if (!aVertex.IsNull()) {
 448         // A case when point is taken from existing vertex
 449         gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 450         PartSet_Tools::convertTo2D(aPoint, mySketch, theView, theX, theY);
 451         return true;
 452       }
 453     }
 454   }
 455   return false;
 456 }
 457
 458 bool PartSet_WidgetPoint2D::setConstraintToPoint(double theClickedX, double theClickedY)
 459 {
 460   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 461   if (aRefAttr.get())
 462     fillRefAttribute(theClickedX, theClickedY);
 463   else {
 464     FeaturePtr aFeature = feature();
 465     std::string anAttribute = attributeID();
 466
 467     if (!aFeature.get())
 468       return false;
 469
 470     std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 471                                      new GeomAPI_Pnt2d(theClickedX, theClickedY));
 472     AttributePoint2DPtr aClickedFeaturePoint = findFirstEqualPointInSketch(mySketch,
 473                                                            aFeature, aClickedPoint);
 474     if (!aClickedFeaturePoint.get())
 475       return false;
 476
 477   //  aRefAttr->setAttr(aClickedFeaturePoint);
 478   //else {
 479     // find a feature point by the selection mode
 480     AttributePoint2DPtr aFeaturePoint;
 481     if (aFeature->isMacro()) {
 482       // the macro feature will be removed after the operation is stopped, so we need to build
 483       // coicidence to possible sub-features
 484       aFeaturePoint = findFirstEqualPointInArgumentFeatures(aFeature, aClickedPoint);
 485     }
 486     else {
 487       aFeaturePoint = std::dynamic_pointer_cast<
 488                                      GeomDataAPI_Point2D>(aFeature->data()->attribute(anAttribute));
 489     }
 490     if (!aFeaturePoint.get())
 491       return false;
 492
 493     PartSet_Tools::createConstraint(mySketch, aClickedFeaturePoint, aFeaturePoint);
 494   }
 495   return true;
 496 }
 497
 498 bool PartSet_WidgetPoint2D::setConstraintToObject(const ObjectPtr& theObject)
 499 {
 500   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 501   if (aRefAttr.get()) {
 502     fillRefAttribute(theObject);
 503   }
 504   else {
 505     AttributePoint2DPtr aFeaturePoint;
 506
 507     if (feature()->isMacro()) {
 508       AttributePtr aThisAttr = feature()->data()->attribute(attributeID());
 509       AttributePoint2DPtr anAttrPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aThisAttr);
 510       if (anAttrPoint.get()) {
 511         // the macro feature will be removed after the operation is stopped, so we need to build
 512         // coicidence to possible sub-features
 513         aFeaturePoint = findFirstEqualPointInArgumentFeatures(feature(),
 514                                                                    anAttrPoint->pnt());
 515       }
 516     }
 517     else {
 518       AttributePtr aThisAttr = feature()->data()->attribute(attributeID());
 519       aFeaturePoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aThisAttr);
 520     }
 521     if (!aFeaturePoint.get())
 522       return false;
 523
 524     // Create point-edge coincedence
 525     FeaturePtr aFeature = mySketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 526     std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 527
 528     std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 529         ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 530
 531     aRef1->setAttr(aFeaturePoint);
 532
 533     std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 534         ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 535     aRef2->setObject(theObject);
 536
 537     // we need to flush created signal in order to coincidence is processed by solver
 538     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 539   }
 540   return true;
 541 }
 542
 543 void PartSet_WidgetPoint2D::mouseReleased(ModuleBase_IViewWindow* theWindow, QMouseEvent* theEvent)
 544 {
 545   // the contex menu release by the right button should not be processed by this widget
 546   if (theEvent->button() != Qt::LeftButton)
 547     return;
 548
 549   ModuleBase_ISelection* aSelection = myWorkshop->selection();
 550   Handle(V3d_View) aView = theWindow->v3dView();
 551
 552   QList<ModuleBase_ViewerPrsPtr> aList = aSelection->getSelected(ModuleBase_ISelection::Viewer);
 553   ModuleBase_ViewerPrsPtr aFirstValue =
 554     aList.size() > 0 ? aList.first() : ModuleBase_ViewerPrsPtr();
 555   if (!aFirstValue.get() && myPreSelected.get()) {
 556     aFirstValue = myPreSelected;
 557   }
 558   // if we have selection and use it
 559   if (aFirstValue.get() && isValidSelectionCustom(aFirstValue) &&
 560       aFirstValue->shape().get()) { /// Trihedron Axis may be selected, but shape is empty
 561     GeomShapePtr aGeomShape = aFirstValue->shape();
 562     TopoDS_Shape aShape = aGeomShape->impl<TopoDS_Shape>();
 563     ObjectPtr aObject = aFirstValue->object();
 564
 565     FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(aObject);
 566     bool anExternal = false;
 567     std::shared_ptr<SketchPlugin_Feature> aSPFeature;
 568     if (aSelectedFeature.get() != NULL)
 569       aSPFeature = std::dynamic_pointer_cast<SketchPlugin_Feature>(aSelectedFeature);
 570
 571     ResultPtr aFixedObject;
 572     bool aSketchExternalFeature = aSPFeature.get() && aSPFeature->isExternal();
 573     if ((!aSPFeature && !aShape.IsNull()) || aSketchExternalFeature) {
 574       aFixedObject = PartSet_Tools::findFixedObjectByExternal(aShape, aObject, mySketch);
 575       if (aSketchExternalFeature && !aFixedObject.get()) {/// local selection on external feature
 576         anExternal = false;
 577       }
 578       else {
 579         anExternal = true;
 580         if (!aFixedObject.get())
 581           aFixedObject = PartSet_Tools::createFixedObjectByExternal(aShape, aObject, mySketch);
 582       }
 583     }
 584     if (anExternal) {
 585       double aX, aY;
 586       if (getPoint2d(aView, aShape, aX, aY) && isFeatureContainsPoint(myFeature, aX, aY)) {
 587         // do not create a constraint to the point, which already used by the feature
 588         // if the feature contains the point, focus is not switched
 589         setPoint(aX, aY);
 590       }
 591       else {
 592         if (getPoint2d(aView, aShape, aX, aY))
 593           setPoint(aX, aY);
 594         else
 595           setValueState(Stored); // in case of edge selection, Apply state should also be updated
 596         bool anOrphanPoint = aShape.ShapeType() == TopAbs_VERTEX ||
 597                               isOrphanPoint(aSelectedFeature, mySketch, aX, aY);
 598         if (anExternal) {
 599           // we should not stop reentrant operation on external objects because
 600           anOrphanPoint = true;
 601           // they are not participate in the contour creation excepting external vertices
 602           if (aShape.ShapeType() == TopAbs_VERTEX) {
 603             FeaturePtr aFixedFeature = ModelAPI_Feature::feature(aFixedObject);
 604             if (aFixedFeature.get() && aFixedFeature->getKind() == SketchPlugin_Point::ID()) {
 605               anOrphanPoint = isOrphanPoint(aFixedFeature, mySketch, aX, aY);
 606             }
 607           }
 608         }
 609         if (aFixedObject.get())
 610           setConstraintToObject(aFixedObject);
 611         // fignal updated should be flushed in order to visualize possible created
 612         // external objects e.g. selection of trihedron axis when input end arc point
 613         updateObject(feature());
 614
 615         if (!anOrphanPoint)
 616           emit vertexSelected(); // it stops the reentrant operation
 617
 618         emit focusOutWidget(this);
 619       }
 620     }
 621     if (!anExternal) {
 622       double aX, aY;
 623       bool isProcessed = false;
 624       if (getPoint2d(aView, aShape, aX, aY) && isFeatureContainsPoint(myFeature, aX, aY)) {
 625         // when the point is selected, the coordinates of the point should be set into the attribute
 626         // if the feature contains the point, focus is not switched
 627         setPoint(aX, aY);
 628       }
 629       else {
 630         bool anOrphanPoint = isOrphanPoint(aSelectedFeature, mySketch, aX, aY);
 631         // do not set a coincidence constraint in the attribute if the feature contains a point
 632         // with the same coordinates. It is important for line creation in order to do not set
 633         // the same constraints for the same points, oterwise the result line has zero length.
 634         bool isAuxiliaryFeature = false;
 635         if (getPoint2d(aView, aShape, aX, aY)) {
 636           setPoint(aX, aY);
 637           setConstraintToPoint(aX, aY);
 638         }
 639         else if (aShape.ShapeType() == TopAbs_EDGE) {
 640           // point is taken from mouse event and set in attribute. It should be done before setting
 641           // coinident constraint to the external line. If a point is created, it should be in
 642           // the mouse clicked point
 643           gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 644           PartSet_Tools::convertTo2D(aPoint, mySketch, aView, aX, aY);
 645           setPoint(aX, aY);
 646           setConstraintToObject(aObject);
 647           setValueState(Stored); // in case of edge selection, Apply state should also be updated
 648           isAuxiliaryFeature = PartSet_Tools::isAuxiliarySketchEntity(aObject);
 649         }
 650         // it is important to perform updateObject() in order to the current value is
 651         // processed by Sketch Solver. Test case: line is created from a previous point
 652         // to some distance, but in the area of the highlighting of the point. Constraint
 653         // coincidence is created, after the solver is performed, the distance between the
 654         // points of the line becomes less than the tolerance. Validator of the line returns
 655         // false, the line will be aborted, but sketch stays valid.
 656         updateObject(feature());
 657         if (!anOrphanPoint && !anExternal && !isAuxiliaryFeature)
 658           emit vertexSelected();
 659         emit focusOutWidget(this);
 660       }
 661     }
 662   }
 663   // End of Bug dependent fragment
 664   else {
 665     // A case when point is taken from mouse event
 666     gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 667     double aX, anY;
 668     PartSet_Tools::convertTo2D(aPoint, mySketch, aView, aX, anY);
 669
 670     // if the feature contains the point, focus is not switched
 671     if (!setPoint(aX, anY) || isFeatureContainsPoint(myFeature, aX, anY))
 672       return;
 673
 674     emit focusOutWidget(this);
 675   }
 676 }
 677
 678 void PartSet_WidgetPoint2D::setPreSelection(
 679                                const std::shared_ptr<ModuleBase_ViewerPrs>& thePreSelected,
 680                                ModuleBase_IViewWindow* theWnd,
 681                                QMouseEvent* theEvent)
 682 {
 683   myPreSelected = thePreSelected;
 684   mouseReleased(theWnd, theEvent);
 685   myPreSelected = ModuleBase_ViewerPrsPtr();
 686 }
 687
 688 void PartSet_WidgetPoint2D::mouseMoved(ModuleBase_IViewWindow* theWindow, QMouseEvent* theEvent)
 689 {
 690   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 691
 692   if (isEditingMode() || aModule->sketchReentranceMgr()->isInternalEditStarted())
 693     return;
 694
 695   gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 696
 697   double aX, anY;
 698   PartSet_Tools::convertTo2D(aPoint, mySketch, theWindow->v3dView(), aX, anY);
 699   if (myState != ModifiedInViewer)
 700     storeCurentValue();
 701   // we need to block the value state change
 702   bool isBlocked = blockValueState(true);
 703   setPoint(aX, anY);
 704   blockValueState(isBlocked);
 705   setValueState(ModifiedInViewer);
 706 }
 707
 708 double PartSet_WidgetPoint2D::x() const
 709 {
 710   return myXSpin->value();
 711 }
 712
 713 double PartSet_WidgetPoint2D::y() const
 714 {
 715   return myYSpin->value();
 716 }
 717
 718
 719 bool PartSet_WidgetPoint2D::isFeatureContainsPoint(const FeaturePtr& theFeature,
 720                                                    double theX, double theY)
 721 {
 722   bool aPointIsFound = false;
 723
 724   if (feature()->getKind() != SketchPlugin_Line::ID())
 725     return aPointIsFound;
 726
 727   AttributePtr aWidgetAttribute = myFeature->attribute(attributeID());
 728
 729   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 730                                     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 731   std::list<AttributePtr> anAttributes =
 732                                 myFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 733   std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 734   for(; anIter != anAttributes.end() && !aPointIsFound; anIter++) {
 735     AttributePoint2DPtr aPoint2DAttribute =
 736       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 737     if (aPoint2DAttribute == aWidgetAttribute)
 738       continue;
 739     if (aPoint2DAttribute.get() && aPoint2DAttribute->isInitialized()) {
 740       aPointIsFound = aPoint2DAttribute->pnt()->isEqual(aPnt2d);
 741     }
 742   }
 743   return aPointIsFound;
 744 }
 745
 746 void PartSet_WidgetPoint2D::initializeValueByActivate()
 747 {
 748 }
 749
 750 /*void PartSet_WidgetPoint2D::onValuesChanged()
 751 {
 752   emit valuesChanged();
 753 }*/
 754
 755 bool PartSet_WidgetPoint2D::processEnter()
 756 {
 757   return false;
 758   /*bool isModified = getValueState() == ModifiedInPP;
 759   if (isModified) {
 760     bool isXModified = myXSpin->hasFocus();
 761     emit valuesChanged();
 762     if (isXModified)
 763       myXSpin->selectAll();
 764     else
 765       myYSpin->selectAll();
 766   }
 767   return isModified;*/
 768 }
 769
 770 bool PartSet_WidgetPoint2D::useSelectedShapes() const
 771 {
 772   return true;
 773 }
 774
 775 bool PartSet_WidgetPoint2D::isOrphanPoint(const FeaturePtr& theFeature,
 776                                           const CompositeFeaturePtr& theSketch,
 777                                           double theX, double theY)
 778 {
 779   bool anOrphanPoint = false;
 780   if (theFeature.get()) {
 781     AttributePoint2DPtr aPointAttr;
 782     std::string aFeatureKind = theFeature->getKind();
 783     if (aFeatureKind == SketchPlugin_Point::ID())
 784       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 785                                        theFeature->attribute(SketchPlugin_Point::COORD_ID()));
 786     else if (aFeatureKind == SketchPlugin_Circle::ID())
 787       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 788                                        theFeature->attribute(SketchPlugin_Circle::CENTER_ID()));
 789
 790     else if (aFeatureKind == SketchPlugin_Arc::ID())
 791       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 792                                        theFeature->attribute(SketchPlugin_Arc::CENTER_ID()));
 793
 794     /// check that the geometry point with the given coordinates is the checked point
 795     /// e.g. in arc the (x,y) point can not coicide to the center point and it automatically
 796     /// means that this point is not an orphant one.
 797     if (aPointAttr.get()) {
 798       std::shared_ptr<GeomAPI_Pnt2d> aCheckedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 799                                                     new GeomAPI_Pnt2d(theX, theY));
 800       if (!aCheckedPoint->isEqual(aPointAttr->pnt()))
 801         return anOrphanPoint;
 802     }
 803
 804     if (aPointAttr.get()) {
 805       std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointAttr->pnt();
 806       // we need to find coincidence features in results also, because external object(point)
 807       // uses refs to me in another feature.
 808       FeaturePtr aCoincidence = PartSet_Tools::findFirstCoincidence(theFeature, aPoint);
 809       anOrphanPoint = true;
 810       // if there is at least one concident line to the point, the point is not an orphant
 811       if (aCoincidence.get()) {
 812         QList<FeaturePtr> aCoinsideLines;
 813         QList<FeaturePtr> aCoins;
 814         PartSet_Tools::findCoincidences(aCoincidence, aCoinsideLines, aCoins,
 815                                         SketchPlugin_ConstraintCoincidence::ENTITY_A());
 816         PartSet_Tools::findCoincidences(aCoincidence, aCoinsideLines, aCoins,
 817                                         SketchPlugin_ConstraintCoincidence::ENTITY_B());
 818         QList<FeaturePtr>::const_iterator anIt = aCoinsideLines.begin(),
 819                                           aLast = aCoinsideLines.end();
 820         for (; anIt != aLast && anOrphanPoint; anIt++) {
 821           anOrphanPoint = (*anIt)->getKind() != SketchPlugin_Line::ID();
 822         }
 823       }
 824     }
 825   }
 826   return anOrphanPoint;
 827 }
 828
 829 bool PartSet_WidgetPoint2D::shapeExploreHasVertex(const GeomShapePtr& theShape,
 830                                                   const std::shared_ptr<GeomAPI_Pnt2d>& thePoint,
 831                                                   const CompositeFeaturePtr& theSketch)
 832 {
 833   std::shared_ptr<GeomAPI_Pnt> aPoint = PartSet_Tools::point3D(thePoint, theSketch);
 834
 835   bool aContainPoint = false;
 836   GeomAPI_ShapeExplorer anExp(theShape, GeomAPI_Shape::VERTEX);
 837   for(; anExp.more() && !aContainPoint; anExp.next()) {
 838     std::shared_ptr<GeomAPI_Shape> aVertexInCompSolid = anExp.current();
 839     std::shared_ptr<GeomAPI_Vertex> aVertex(new GeomAPI_Vertex(aVertexInCompSolid));
 840     if (aVertex.get())
 841       aContainPoint = aPoint->isEqual(aVertex->point());
 842   }
 843   return aContainPoint;
 844 }
 845
 846 AttributeRefAttrPtr PartSet_WidgetPoint2D::attributeRefAttr() const
 847 {
 848   AttributeRefAttrPtr anAttribute;
 849   if (myRefAttribute.empty())
 850     return anAttribute;
 851
 852   AttributePtr anAttributeRef = feature()->attribute(myRefAttribute);
 853   if (!anAttributeRef.get())
 854     return anAttribute;
 855
 856   return std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(anAttributeRef);
 857 }
 858
 859 void PartSet_WidgetPoint2D::fillRefAttribute(double theClickedX, double theClickedY)
 860 {
 861   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 862   if (!aRefAttr.get())
 863     return;
 864
 865   FeaturePtr aFeature = feature();
 866   std::string anAttribute = attributeID();
 867
 868   if (aFeature.get()) {
 869     std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 870                                       new GeomAPI_Pnt2d(theClickedX, theClickedY));
 871     AttributePoint2DPtr aClickedFeaturePoint = findFirstEqualPointInSketch(mySketch,
 872                                                             aFeature, aClickedPoint);
 873     if (aClickedFeaturePoint.get())
 874       aRefAttr->setAttr(aClickedFeaturePoint);
 875   }
 876 }
 877
 878 void PartSet_WidgetPoint2D::fillRefAttribute(const ObjectPtr& theObject)
 879 {
 880   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 881   if (aRefAttr.get())
 882     aRefAttr->setObject(theObject);
 883 }
 884
 885 std::shared_ptr<GeomDataAPI_Point2D> PartSet_WidgetPoint2D::findFirstEqualPointInArgumentFeatures(
 886                   const FeaturePtr& theFeature, const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
 887 {
 888   std::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint;
 889
 890   // may be feature is not updated yet, execute is not performed and references features
 891   // are not created. Case: rectangle macro feature
 892   ModuleBase_Tools::flushUpdated(theFeature);
 893
 894   std::list<AttributePtr> anAttributes = theFeature->data()->attributes(
 895                                           ModelAPI_AttributeRefList::typeId());
 896   std::list<AttributePtr>::const_iterator anIt = anAttributes.begin(), aLast = anAttributes.end();
 897   for (; anIt != aLast && !aFeaturePoint.get(); anIt++) {
 898     std::shared_ptr<ModelAPI_AttributeRefList> aCurSelList =
 899                                       std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(*anIt);
 900     for (int i = 0, aNb = aCurSelList->size(); i < aNb && !aFeaturePoint.get(); i++) {
 901       ObjectPtr anObject = aCurSelList->object(i);
 902       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
 903       if (aFeature.get())
 904         aFeaturePoint = findFirstEqualPoint(aFeature, thePoint);
 905     }
 906   }
 907   return aFeaturePoint;
 908 }
 909
 910 std::shared_ptr<GeomDataAPI_Point2D> PartSet_WidgetPoint2D::findFirstEqualPoint(
 911                                               const FeaturePtr& theFeature,
 912                                               const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
 913 {
 914   std::shared_ptr<GeomDataAPI_Point2D> aFPoint;
 915
 916   // find the given point in the feature attributes
 917   std::list<std::shared_ptr<ModelAPI_Attribute> > anAttiributes =
 918                                     theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 919   std::list<std::shared_ptr<ModelAPI_Attribute> >::const_iterator anIt = anAttiributes.begin(),
 920       aLast = anAttiributes.end();
 921   ModelAPI_ValidatorsFactory* aValidators = ModelAPI_Session::get()->validators();
 922
 923   for (; anIt != aLast && !aFPoint; anIt++) {
 924     std::shared_ptr<GeomDataAPI_Point2D> aCurPoint =
 925                                              std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
 926     if (aCurPoint && aCurPoint->isInitialized() &&
 927         aValidators->isCase(theFeature, aCurPoint->id()) &&
 928         (aCurPoint->pnt()->distance(thePoint) < Precision::Confusion())) {
 929       aFPoint = aCurPoint;
 930       break;
 931     }
 932   }
 933   return aFPoint;
 934 }
 935
 936 std::shared_ptr<GeomDataAPI_Point2D> PartSet_WidgetPoint2D::findFirstEqualPointInSketch(
 937                                     const CompositeFeaturePtr& theSketch,
 938                                     const FeaturePtr& theSkipFeature,
 939                                     const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
 940 {
 941   // get all sketch features. If the point with the given coordinates belong to any sketch feature,
 942   // the constraint is created between the feature point and the found sketch point
 943   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 944   std::shared_ptr<ModelAPI_AttributeRefList> aRefList = std::dynamic_pointer_cast<
 945       ModelAPI_AttributeRefList>(aData->attribute(SketchPlugin_Sketch::FEATURES_ID()));
 946
 947   std::list<ObjectPtr> aFeatures = aRefList->list();
 948   std::list<ObjectPtr>::const_iterator anIt = aFeatures.begin(), aLast = aFeatures.end();
 949   std::list<std::shared_ptr<ModelAPI_Attribute> > anAttiributes;
 950
 951   std::shared_ptr<GeomDataAPI_Point2D> aFPoint;
 952   for (; anIt != aLast; anIt++) {
 953     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anIt);
 954     if (!aFeature.get() || (theSkipFeature.get() && theSkipFeature == aFeature))
 955       continue;
 956     aFPoint = PartSet_WidgetPoint2D::findFirstEqualPoint(aFeature, thePoint);
 957     if (aFPoint.get())
 958       break;
 959   }
 960   return aFPoint;
 961 }