src/PartSet/PartSet_WidgetPoint2d.cpp

   1 // Copyright (C) 2014-2021  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "PartSet_WidgetPoint2d.h"
  21 #include <PartSet_Tools.h>
  22 #include <PartSet_Module.h>
  23 #include <PartSet_SketcherReentrantMgr.h>
  24 #include <PartSet_ExternalObjectsMgr.h>
  25 #include <PartSet_CenterPrs.h>
  26
  27 #include <XGUI_Tools.h>
  28 #include <XGUI_Workshop.h>
  29 #include <XGUI_Displayer.h>
  30
  31 #include <ModuleBase_ParamSpinBox.h>
  32 #include <ModuleBase_Tools.h>
  33 #include <ModuleBase_IViewer.h>
  34 #include <ModuleBase_IViewWindow.h>
  35 #include <ModuleBase_ISelection.h>
  36 #include <ModuleBase_ViewerPrs.h>
  37 #include <ModuleBase_WidgetValidator.h>
  38 #include <ModuleBase_WidgetValidated.h>
  39 #include <ModuleBase_LabelValue.h>
  40
  41 #include <Config_Keywords.h>
  42 #include <Config_WidgetAPI.h>
  43
  44 #include <Events_Loop.h>
  45 #include <Events_InfoMessage.h>
  46 #include <ModelAPI_Events.h>
  47 #include <ModelAPI_AttributeBoolean.h>
  48 #include <ModelAPI_AttributeRefAttr.h>
  49 #include <ModelAPI_AttributeRefList.h>
  50 #include <ModelAPI_Validator.h>
  51 #include <ModelAPI_Session.h>
  52
  53 #include <ModelAPI_Feature.h>
  54 #include <ModelAPI_Data.h>
  55 #include <ModelAPI_Object.h>
  56 #include <GeomDataAPI_Point2D.h>
  57 #include <GeomAPI_Pnt2d.h>
  58
  59 #include <GeomAPI_ShapeExplorer.h>
  60 #include <GeomAPI_Vertex.h>
  61
  62 #include <SketchPlugin_Feature.h>
  63 #include <SketchPlugin_ConstraintCoincidence.h>
  64 #include <SketchPlugin_Line.h>
  65 #include <SketchPlugin_Arc.h>
  66 #include <SketchPlugin_Circle.h>
  67 #include <SketchPlugin_Point.h>
  68
  69 #include <QGroupBox>
  70 #include <QGridLayout>
  71 #include <QLabel>
  72 #include <QEvent>
  73 #include <QMouseEvent>
  74 #include <QApplication>
  75
  76 #include <TopoDS.hxx>
  77 #include <TopoDS_Vertex.hxx>
  78 #include <BRep_Tool.hxx>
  79 #include <Geom_Point.hxx>
  80
  81 #include <cfloat>
  82 #include <climits>
  83
  84 const double MaxCoordinate = 1e12;
  85
  86 static QStringList MyFeaturesForCoincedence;
  87
  88 PartSet_WidgetPoint2D::PartSet_WidgetPoint2D(QWidget* theParent,
  89                                              ModuleBase_IWorkshop* theWorkshop,
  90                                              const Config_WidgetAPI* theData)
  91 : ModuleBase_ModelWidget(theParent, theData), myWorkshop(theWorkshop),
  92   myValueIsCashed(false), myIsFeatureVisibleInCash(true),
  93   myXValueInCash(0), myYValueInCash(0)
  94 {
  95   myRefAttribute = theData->getProperty("reference_attribute");
  96   if (MyFeaturesForCoincedence.isEmpty()) {
  97     MyFeaturesForCoincedence << SketchPlugin_Line::ID().c_str()
  98       << SketchPlugin_Arc::ID().c_str()
  99       << SketchPlugin_Point::ID().c_str()
 100       << SketchPlugin_Circle::ID().c_str();
 101   }
 102
 103   // the control should accept the focus, so the boolean flag is corrected to be true
 104   myIsObligatory = true;
 105   QString aPageName = translate(theData->getProperty(CONTAINER_PAGE_NAME));
 106   myGroupBox = new QGroupBox(aPageName, theParent);
 107   myGroupBox->setFlat(false);
 108
 109 #ifdef _DEBUG
 110   bool aAcceptVariables =
 111 #endif
 112     theData->getBooleanAttribute(DOUBLE_WDG_ACCEPT_EXPRESSIONS, true);
 113
 114   QGridLayout* aGroupLay = new QGridLayout(myGroupBox);
 115   ModuleBase_Tools::adjustMargins(aGroupLay);
 116   aGroupLay->setSpacing(2);
 117   aGroupLay->setColumnStretch(1, 1);
 118
 119   myXSpin = new ModuleBase_LabelValue(myGroupBox, tr("X"));
 120   aGroupLay->addWidget(myXSpin, 0, 1);
 121   myYSpin = new ModuleBase_LabelValue(myGroupBox, tr("Y"));
 122   aGroupLay->addWidget(myYSpin, 1, 1);
 123
 124   QVBoxLayout* aLayout = new QVBoxLayout(this);
 125   ModuleBase_Tools::zeroMargins(aLayout);
 126   aLayout->addWidget(myGroupBox);
 127   setLayout(aLayout);
 128
 129   myWidgetValidator = new ModuleBase_WidgetValidator(this, myWorkshop);
 130   myExternalObjectMgr = new PartSet_ExternalObjectsMgr(theData->getProperty("use_external"),
 131                                          theData->getProperty("can_create_external"), true);
 132 }
 133
 134 bool PartSet_WidgetPoint2D::isValidSelectionCustom(const ModuleBase_ViewerPrsPtr& theValue)
 135 {
 136   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 137   if (aModule->sketchReentranceMgr()->isInternalEditActive())
 138     return true; /// when internal edit is started a new feature is created. I has not results, AIS
 139
 140   /// the selection is not possible if the current feature has no presentation for the current
 141   /// attribute not in AIS not in results. If so, no object in current feature where make
 142   /// coincidence, so selection is not necessary
 143   GeomShapePtr anAISShape;
 144   GeomPresentablePtr aPrs = std::dynamic_pointer_cast<GeomAPI_IPresentable>(myFeature);
 145   if (aPrs.get()) {
 146     AISObjectPtr anAIS;
 147     anAIS = aPrs->getAISObject(anAIS);
 148     if (anAIS.get()) {
 149       anAISShape = anAIS->getShape();
 150     }
 151   }
 152   const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = myFeature->results();
 153   if (!anAISShape.get() && aResults.empty())
 154     return true;
 155
 156   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 157   if (aRefAttr.get())
 158     return isValidSelectionForAttribute_(theValue, myFeature->attribute(attributeID()));
 159   else {
 160     bool aFoundPoint = false;
 161     /// Avoid coincidence build to passed point. Coincidence is build later only if there are no
 162     /// reference attribute.
 163     /// The condition is that the selected feature has shape that has after explore a point
 164     /// equal to clicked one.
 165     std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 166     AttributePoint2DPtr aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 167         aData->attribute(attributeID()));
 168     std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointAttr->pnt();
 169     if (anAISShape.get())
 170       aFoundPoint = shapeExploreHasVertex(anAISShape, aPoint, mySketch);
 171
 172     /// analysis of results
 173     std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.cbegin();
 174     for (; aRIter != aResults.cend() && !aFoundPoint; aRIter++) {
 175       ResultPtr aResult = *aRIter;
 176       if (aResult.get() && aResult->shape().get()) {
 177         GeomShapePtr aShape = aResult->shape();
 178         aFoundPoint = shapeExploreHasVertex(aShape, aPoint, mySketch);
 179       }
 180     }
 181     return aFoundPoint;
 182   }
 183   return true;
 184 }
 185
 186 //********************************************************************
 187 bool PartSet_WidgetPoint2D::isValidSelectionForAttribute_(
 188                                             const ModuleBase_ViewerPrsPtr& theValue,
 189                                             const AttributePtr& theAttribute)
 190 {
 191   bool aValid = false;
 192
 193   // stores the current values of the widget attribute
 194   bool isFlushesActived, isAttributeSetInitializedBlocked, isAttributeSendUpdatedBlocked;
 195
 196   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 197   ModuleBase_WidgetValidated::blockFeatureAttribute(aRefAttr, myFeature, true,
 198       isFlushesActived, isAttributeSetInitializedBlocked, isAttributeSendUpdatedBlocked);
 199   myWidgetValidator->storeAttributeValue(aRefAttr);
 200
 201   // saves the owner value to the widget attribute
 202   aValid = setSelectionCustom(theValue);
 203   if (aValid)
 204     // checks the attribute validity
 205     aValid = myWidgetValidator->isValidAttribute(theAttribute);
 206
 207   // restores the current values of the widget attribute
 208   myWidgetValidator->restoreAttributeValue(aRefAttr, aValid);
 209   myExternalObjectMgr->removeExternal(sketch(), myFeature, myWorkshop, true);
 210
 211   ModuleBase_WidgetValidated::blockFeatureAttribute(aRefAttr, myFeature, false, isFlushesActived,
 212                                 isAttributeSetInitializedBlocked, isAttributeSendUpdatedBlocked);
 213   return aValid;
 214 }
 215
 216 bool PartSet_WidgetPoint2D::setSelectionCustom(const ModuleBase_ViewerPrsPtr& theValue)
 217 {
 218   bool isDone = false;
 219   GeomShapePtr aShape = theValue->shape();
 220   if (aShape.get() && !aShape->isNull()) {
 221     Handle(V3d_View) aView = myWorkshop->viewer()->activeView();
 222     const TopoDS_Shape& aTDShape = aShape->impl<TopoDS_Shape>();
 223     GeomPnt2dPtr aPnt = PartSet_Tools::getPnt2d(aView, aTDShape, mySketch);
 224     if (aPnt) {
 225       fillRefAttribute(aPnt->x(), aPnt->y(), theValue);
 226       isDone = true;
 227     }
 228     else if (aTDShape.ShapeType() == TopAbs_EDGE) {
 229       fillRefAttribute(theValue);
 230       isDone = true;
 231     }
 232   }
 233   return isDone;
 234 }
 235
 236 bool PartSet_WidgetPoint2D::resetCustom()
 237 {
 238   bool aDone = false;
 239   if (!isUseReset() || isComputedDefault()
 240       /*|| myXSpin->hasVariable() || myYSpin->hasVariable()*/) {
 241     aDone = false;
 242   }
 243   else {
 244     if (myValueIsCashed) {
 245       // if the restored value should be hidden, aDone = true to set
 246       // reset state for the widget in the parent
 247       aDone = restoreCurentValue();
 248       emit objectUpdated();
 249     }
 250     else {
 251       bool isOk;
 252       double aDefValue = QString::fromStdString(getDefaultValue()).toDouble(&isOk);
 253       // it is important to block the spin box control in order to do not through out the
 254       // locking of the validating state.
 255       myXSpin->setValue(isOk ? aDefValue : 0.0);
 256       myYSpin->setValue(isOk ? aDefValue : 0.0);
 257
 258       //ModuleBase_Tools::setSpinValue(myXSpin, isOk ? aDefValue : 0.0);
 259       //ModuleBase_Tools::setSpinValue(myYSpin, isOk ? aDefValue : 0.0);
 260       storeValueCustom();
 261       aDone = true;
 262     }
 263   }
 264   return aDone;
 265 }
 266
 267 PartSet_WidgetPoint2D::~PartSet_WidgetPoint2D()
 268 {
 269   delete myExternalObjectMgr;
 270 }
 271
 272 bool PartSet_WidgetPoint2D::setSelection(QList<ModuleBase_ViewerPrsPtr>& theValues,
 273                                          const bool theToValidate)
 274 {
 275   bool isDone = false;
 276   if (theValues.empty())
 277     return isDone;
 278
 279   ModuleBase_ViewerPrsPtr aValue = theValues.takeFirst();
 280
 281   if (!theToValidate || myWidgetValidator->isValidSelection(aValue)) {
 282     GeomShapePtr aShape = aValue->shape();
 283     if (aShape.get() && !aShape->isNull()) {
 284       Handle(V3d_View) aView = myWorkshop->viewer()->activeView();
 285       const TopoDS_Shape& aTDShape = aShape->impl<TopoDS_Shape>();
 286       GeomPnt2dPtr aPnt = PartSet_Tools::getPnt2d(aView, aTDShape, mySketch);
 287
 288       if (aPnt) {
 289         //isDone = setPoint(aPnt->x(), aPnt->y());
 290         //setConstraintToPoint(aPnt->x(), aPnt->y(), aValue);
 291         processSelection(aValue, aPnt->x(), aPnt->y());
 292         isDone = true;
 293       }
 294     }
 295   }
 296   return isDone;
 297 }
 298
 299 //void PartSet_WidgetPoint2D::selectContent()
 300 //{
 301 // // myXSpin->selectAll();
 302 //}
 303
 304 bool PartSet_WidgetPoint2D::setPoint(double theX, double theY)
 305 {
 306   if (fabs(theX) >= MaxCoordinate)
 307     return false;
 308   if (fabs(theY) >= MaxCoordinate)
 309     return false;
 310
 311   myXSpin->setValue(theX);
 312   myYSpin->setValue(theY);
 313
 314   //ModuleBase_Tools::setSpinValue(myXSpin, theX);
 315   //ModuleBase_Tools::setSpinValue(myYSpin, theY);
 316
 317   storeValue();
 318   return true;
 319 }
 320
 321 bool PartSet_WidgetPoint2D::storeValueCustom()
 322 {
 323   std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 324   if (!aData || !aData->isValid()) // can be on abort of sketcher element
 325     return false;
 326   AttributePoint2DPtr aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 327       aData->attribute(attributeID()));
 328
 329   PartSet_WidgetPoint2D* that = (PartSet_WidgetPoint2D*) this;
 330   bool isBlocked = that->blockSignals(true);
 331   bool isImmutable = aPoint->setImmutable(true);
 332
 333   // if text is not empty then setValue will be ignored
 334   // so we should set the text at first
 335   //aPoint->setText(myXSpin->hasVariable() ? myXSpin->text().toStdString() : "",
 336   //                myYSpin->hasVariable() ? myYSpin->text().toStdString() : "");
 337   //aPoint->setValue(!myXSpin->hasVariable() ? myXSpin->value() : aPoint->x(),
 338   //                 !myYSpin->hasVariable() ? myYSpin->value() : aPoint->y());
 339
 340   if (myFeature->isMacro()) {
 341     // Moving points of macro-features has been processed directly (without solver)
 342     aPoint->setValue(myXSpin->value(), myYSpin->value());
 343     updateObject(myFeature);
 344
 345   } else {
 346     if (!aPoint->isInitialized())
 347       aPoint->setValue(0., 0.);
 348
 349     std::shared_ptr<ModelAPI_ObjectMovedMessage> aMessage(
 350         new ModelAPI_ObjectMovedMessage(this));
 351     aMessage->setMovedAttribute(aPoint);
 352     aMessage->setOriginalPosition(aPoint->pnt());
 353     aMessage->setCurrentPosition(myXSpin->value(), myYSpin->value());
 354     Events_Loop::loop()->send(aMessage);
 355   }
 356
 357   aPoint->setImmutable(isImmutable);
 358   that->blockSignals(isBlocked);
 359
 360   return true;
 361 }
 362
 363 bool PartSet_WidgetPoint2D::restoreValueCustom()
 364 {
 365   std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 366   AttributePoint2DPtr aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 367       aData->attribute(attributeID()));
 368   double aValueX = aPoint->isInitialized() ? aPoint->x() : 0.;
 369   double aValueY = aPoint->isInitialized() ? aPoint->y() : 0.;
 370   myXSpin->setValue(aValueX);
 371   myYSpin->setValue(aValueY);
 372
 373   return true;
 374 }
 375
 376 void PartSet_WidgetPoint2D::storeCurentValue()
 377 {
 378   // do not use cash if a variable is used
 379   //if (myXSpin->hasVariable() || myYSpin->hasVariable())
 380   //  return;
 381
 382   myValueIsCashed = true;
 383   myIsFeatureVisibleInCash = XGUI_Displayer::isVisible(
 384                        XGUI_Tools::workshop(myWorkshop)->displayer(), myFeature);
 385   myXValueInCash = myXSpin->value();
 386   myYValueInCash = myYSpin->value();
 387 }
 388
 389 bool PartSet_WidgetPoint2D::restoreCurentValue()
 390 {
 391   bool aRestoredAndHidden = true;
 392
 393   bool isVisible = myIsFeatureVisibleInCash;
 394   // fill the control widgets by the cashed value
 395
 396   myValueIsCashed = false;
 397   myIsFeatureVisibleInCash = true;
 398   myXSpin->setValue(myXValueInCash);
 399   myYSpin->setValue(myYValueInCash);
 400   //ModuleBase_Tools::setSpinValue(myXSpin, myXValueInCash);
 401   //ModuleBase_Tools::setSpinValue(myYSpin, myYValueInCash);
 402
 403   // store value to the model
 404   storeValueCustom();
 405   if (isVisible) {
 406     setValueState(Stored);
 407     aRestoredAndHidden = false;
 408   }
 409   else
 410     aRestoredAndHidden = true;
 411
 412   return aRestoredAndHidden;
 413 }
 414
 415 QList<QWidget*> PartSet_WidgetPoint2D::getControls() const
 416 {
 417   QList<QWidget*> aControls;
 418   aControls.append(myXSpin);
 419   aControls.append(myYSpin);
 420   return aControls;
 421 }
 422
 423 //********************************************************************
 424 void PartSet_WidgetPoint2D::selectionModes(int& theModuleSelectionModes, QIntList& theModes)
 425 {
 426   theModuleSelectionModes = -1;
 427   theModes << TopAbs_VERTEX;
 428   theModes << TopAbs_EDGE;
 429 }
 430
 431 //********************************************************************
 432 void PartSet_WidgetPoint2D::activateCustom()
 433 {
 434   if (!isEditingMode()) {
 435     FeaturePtr aFeature = feature();
 436     if (aFeature.get() && aFeature->getKind() == SketchPlugin_Point::ID())
 437       storeValue();
 438   }
 439 }
 440
 441 void PartSet_WidgetPoint2D::setHighlighted(bool isHighlighted)
 442 {
 443 }
 444
 445 void PartSet_WidgetPoint2D::deactivate()
 446 {
 447   // the value of the control should be stored to model if it was not
 448   // initialized yet. It is important when we leave this control by Tab key.
 449   // It should not be performed by the widget activation as the preview
 450   // is visualized with default value. Line point is moved to origin.
 451   AttributePtr anAttribute = myFeature->data()->attribute(attributeID());
 452   if (anAttribute && !anAttribute->isInitialized())
 453     storeValue();
 454
 455   ModuleBase_ModelWidget::deactivate();
 456 }
 457
 458 bool PartSet_WidgetPoint2D::setConstraintToPoint(double theClickedX, double theClickedY,
 459                                   const std::shared_ptr<ModuleBase_ViewerPrs>& theValue)
 460 {
 461   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 462   if (aRefAttr.get())
 463     fillRefAttribute(theClickedX, theClickedY, theValue);
 464   else {
 465     FeaturePtr aFeature = feature();
 466     std::string anAttribute = attributeID();
 467
 468     if (!aFeature.get())
 469       return false;
 470
 471     std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 472                                      new GeomAPI_Pnt2d(theClickedX, theClickedY));
 473     AttributePoint2DPtr aClickedFeaturePoint = findFirstEqualPointInSketch(mySketch,
 474                                                            aFeature, aClickedPoint);
 475     if (!aClickedFeaturePoint.get())
 476       return false;
 477
 478   //  aRefAttr->setAttr(aClickedFeaturePoint);
 479   //else {
 480     // find a feature point by the selection mode
 481     AttributePoint2DPtr aFeaturePoint;
 482     if (aFeature->isMacro()) {
 483       // the macro feature will be removed after the operation is stopped, so we need to build
 484       // coincidence to possible sub-features
 485       aFeaturePoint = findFirstEqualPointInArgumentFeatures(aFeature, aClickedPoint);
 486     }
 487     else {
 488       aFeaturePoint = std::dynamic_pointer_cast<
 489                                      GeomDataAPI_Point2D>(aFeature->data()->attribute(anAttribute));
 490     }
 491     if (!aFeaturePoint.get())
 492       return false;
 493
 494     PartSet_Tools::createConstraint(mySketch, aClickedFeaturePoint, aFeaturePoint);
 495   }
 496   return true;
 497 }
 498
 499 bool PartSet_WidgetPoint2D::setConstraintToObject(const ObjectPtr& theObject)
 500 {
 501   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 502   if (aRefAttr.get()) {
 503     fillRefAttribute(theObject);
 504   }
 505   else {
 506     AttributePoint2DPtr aFeaturePoint;
 507
 508     if (feature()->isMacro()) {
 509       AttributePtr aThisAttr = feature()->data()->attribute(attributeID());
 510       AttributePoint2DPtr anAttrPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aThisAttr);
 511       if (anAttrPoint.get()) {
 512         // the macro feature will be removed after the operation is stopped, so we need to build
 513         // coincidence to possible sub-features
 514         aFeaturePoint = findFirstEqualPointInArgumentFeatures(feature(),
 515                                                                    anAttrPoint->pnt());
 516       }
 517     }
 518     else {
 519       AttributePtr aThisAttr = feature()->data()->attribute(attributeID());
 520       aFeaturePoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aThisAttr);
 521     }
 522     if (!aFeaturePoint.get())
 523       return false;
 524
 525     // Create point-edge coincedence
 526     FeaturePtr aFeature = mySketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 527     std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 528
 529     std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 530         ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 531
 532     aRef1->setAttr(aFeaturePoint);
 533
 534     std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 535         ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 536     aRef2->setObject(theObject);
 537
 538     // we need to flush created signal in order to coincidence is processed by solver
 539     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 540   }
 541   return true;
 542 }
 543
 544 void PartSet_WidgetPoint2D::mouseReleased(ModuleBase_IViewWindow* theWindow, QMouseEvent* theEvent)
 545 {
 546   // the contex menu release by the right button should not be processed by this widget
 547   if (theEvent->button() != Qt::LeftButton)
 548     return;
 549
 550   ModuleBase_ISelection* aSelection = myWorkshop->selection();
 551   Handle(V3d_View) aView = theWindow->v3dView();
 552
 553   QList<ModuleBase_ViewerPrsPtr> aList = aSelection->getSelected(ModuleBase_ISelection::Viewer);
 554   ModuleBase_ViewerPrsPtr aFirstValue =
 555     aList.size() > 0 ? aList.first() : ModuleBase_ViewerPrsPtr();
 556   if (!aFirstValue.get() && myPreSelected.get()) {
 557     aFirstValue = myPreSelected;
 558   }
 559
 560   double aX=0, aY=0;
 561   bool aHasPoint = false;
 562   if (aFirstValue.get()) {
 563     GeomShapePtr aShape = aFirstValue->shape();
 564     if (aShape.get() && aShape->shapeType() == GeomAPI_Shape::VERTEX) {
 565       const TopoDS_Shape& aTDShape = aShape->impl<TopoDS_Shape>();
 566       GeomPnt2dPtr aPnt = PartSet_Tools::getPnt2d(aView, aTDShape, mySketch);
 567       aX = aPnt->x();
 568       aY = aPnt->y();
 569       aHasPoint = true;
 570     }
 571   }
 572   if (!aHasPoint) {
 573     gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), aView);
 574     PartSet_Tools::convertTo2D(aPoint, mySketch, aView, aX, aY);
 575   }
 576   processSelection(aFirstValue, aX, aY);
 577 }
 578
 579 void PartSet_WidgetPoint2D::processSelection(const ModuleBase_ViewerPrsPtr& theValue,
 580   double theX, double theY)
 581 {
 582   if (!setPoint(theX, theY))
 583     return;
 584   // if we have selection and use it
 585   if (theValue.get() && isValidSelectionCustom(theValue) && theValue->shape().get()) {
 586     /// Trihedron Axis may be selected, but shape is empty
 587     GeomShapePtr aGeomShape = theValue->shape();
 588     TopoDS_Shape aShape = aGeomShape->impl<TopoDS_Shape>();
 589     ObjectPtr aObject = theValue->object();
 590
 591     FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(aObject);
 592     bool anExternal = false;
 593     std::shared_ptr<SketchPlugin_Feature> aSPFeature;
 594     if (aSelectedFeature.get() != NULL)
 595       aSPFeature = std::dynamic_pointer_cast<SketchPlugin_Feature>(aSelectedFeature);
 596
 597     ResultPtr aFixedObject;
 598     bool aSketchExternalFeature = aSPFeature.get() && aSPFeature->isExternal();
 599     if ((!aSPFeature && !aShape.IsNull()) || aSketchExternalFeature) {
 600       aFixedObject = PartSet_Tools::findFixedObjectByExternal(aShape, aObject, mySketch);
 601       if (aSketchExternalFeature && !aFixedObject.get()) {/// local selection on external feature
 602         anExternal = false;
 603       }
 604       else {
 605         anExternal = true;
 606         if (!aFixedObject.get())
 607         {
 608           FeaturePtr aCreatedFeature;
 609           aFixedObject = PartSet_Tools::createFixedObjectByExternal(aGeomShape, aObject, mySketch,
 610             false, aCreatedFeature);
 611         }
 612       }
 613     }
 614     if (anExternal) {
 615       if (!isFeatureContainsPoint(myFeature, theX, theY)) {
 616         if (aShape.ShapeType() == TopAbs_EDGE) {
 617           setValueState(Stored); // in case of edge selection, Apply state should also be updated
 618         }
 619         bool anOrphanPoint = aShape.ShapeType() == TopAbs_VERTEX ||
 620                               isOrphanPoint(aSelectedFeature, mySketch, theX, theY);
 621         if (anExternal) {
 622           // we should not stop reentrant operation on external objects because
 623           anOrphanPoint = true;
 624           // they are not participate in the contour creation excepting external vertices
 625           if (aShape.ShapeType() == TopAbs_VERTEX) {
 626             FeaturePtr aFixedFeature = ModelAPI_Feature::feature(aFixedObject);
 627             if (aFixedFeature.get() && aFixedFeature->getKind() == SketchPlugin_Point::ID()) {
 628               anOrphanPoint = isOrphanPoint(aFixedFeature, mySketch, theX, theY);
 629             }
 630           }
 631         }
 632         if (aFixedObject.get())
 633           setConstraintToObject(aFixedObject);
 634         // fignal updated should be flushed in order to visualize possible created
 635         // external objects e.g. selection of trihedron axis when input end arc point
 636         updateObject(feature());
 637
 638         if (!anOrphanPoint)
 639           emit vertexSelected(); // it stops the reentrant operation
 640
 641         myPreSelected.reset();
 642         emit focusOutWidget(this);
 643       }
 644     }
 645     else {
 646       if (!isFeatureContainsPoint(myFeature, theX, theY)) {
 647         double aX = 0, aY = 0;
 648         bool anOrphanPoint = isOrphanPoint(aSelectedFeature, mySketch, aX, aY);
 649         // do not set a coincidence constraint in the attribute if the feature contains a point
 650         // with the same coordinates. It is important for line creation in order to do not set
 651         // the same constraints for the same points, oterwise the result line has zero length.
 652         bool isAuxiliaryFeature = false;
 653         if (aShape.ShapeType() == TopAbs_VERTEX) {
 654           setConstraintToPoint(theX, theY, theValue);
 655         }
 656         else if (aShape.ShapeType() == TopAbs_EDGE) {
 657           // point is taken from mouse event and set in attribute. It should be done before setting
 658           // coinident constraint to the external line. If a point is created, it should be in
 659           // the mouse clicked point
 660           setConstraintToObject(aObject);
 661           setValueState(Stored); // in case of edge selection, Apply state should also be updated
 662           isAuxiliaryFeature = PartSet_Tools::isAuxiliarySketchEntity(aObject);
 663         }
 664         // it is important to perform updateObject() in order to the current value is
 665         // processed by Sketch Solver. Test case: line is created from a previous point
 666         // to some distance, but in the area of the highlighting of the point. Constraint
 667         // coincidence is created, after the solver is performed, the distance between the
 668         // points of the line becomes less than the tolerance. Validator of the line returns
 669         // false, the line will be aborted, but sketch stays valid.
 670         updateObject(feature());
 671         if (!anOrphanPoint && !anExternal && !isAuxiliaryFeature)
 672           emit vertexSelected();
 673         myPreSelected.reset();
 674         emit focusOutWidget(this);
 675       }
 676     }
 677   }
 678   // The selection could be a center of an external circular object
 679   else if (theValue.get() && (!theValue->interactive().IsNull())) {
 680     Handle(PartSet_CenterPrs) aAIS =
 681         Handle(PartSet_CenterPrs)::DownCast(theValue->interactive());
 682     if (!aAIS.IsNull()) {
 683       gp_Pnt aPntComp = aAIS->Component()->Pnt();
 684       GeomVertexPtr aVertPtr(new GeomAPI_Vertex(aPntComp.X(), aPntComp.Y(), aPntComp.Z()));
 685       TopoDS_Shape aShape = aVertPtr->impl<TopoDS_Shape>();
 686
 687       ResultPtr aFixedObject =
 688           PartSet_Tools::findFixedObjectByExternal(aShape, aAIS->object(), mySketch);
 689       if (!aFixedObject.get())
 690       {
 691         FeaturePtr aCreatedFeature;
 692         aFixedObject = PartSet_Tools::createFixedByExternalCenter(aAIS->object(), aAIS->edge(),
 693           aAIS->centerType(), mySketch, false, aCreatedFeature);
 694       }
 695       if (aFixedObject.get())
 696         setConstraintToObject(aFixedObject);
 697       // fignal updated should be flushed in order to visualize possible created
 698       // external objects e.g. selection of trihedron axis when input end arc point
 699       updateObject(feature());
 700
 701       emit vertexSelected(); // it stops the reentrant operation
 702       myPreSelected.reset();
 703       emit focusOutWidget(this);
 704     }
 705   }
 706   else {
 707     // A case when point is taken from mouse event
 708
 709     // if the feature contains the point, focus is not switched
 710     if (isFeatureContainsPoint(myFeature, theX, theY))
 711       return;
 712
 713     myPreSelected.reset();
 714     emit focusOutWidget(this);
 715   }
 716 }
 717
 718 void PartSet_WidgetPoint2D::setPreSelection(
 719                                const std::shared_ptr<ModuleBase_ViewerPrs>& thePreSelected,
 720                                ModuleBase_IViewWindow* theWnd,
 721                                QMouseEvent* theEvent)
 722 {
 723   myPreSelected = thePreSelected;
 724   mouseReleased(theWnd, theEvent);
 725 }
 726
 727 void PartSet_WidgetPoint2D::getGeomSelection_(const std::shared_ptr<ModuleBase_ViewerPrs>& theValue,
 728                                               ObjectPtr& theObject,
 729                                               GeomShapePtr& theShape)
 730 {
 731   myExternalObjectMgr->getGeomSelection(theValue, theObject, theShape, myWorkshop, sketch(), true);
 732 }
 733
 734 void PartSet_WidgetPoint2D::mouseMoved(ModuleBase_IViewWindow* theWindow, QMouseEvent* theEvent)
 735 {
 736   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 737
 738   if (isEditingMode() || aModule->sketchReentranceMgr()->isInternalEditActive())
 739     return;
 740
 741   gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 742
 743   double aX = 0, aY = 0;
 744   PartSet_Tools::convertTo2D(aPoint, mySketch, theWindow->v3dView(), aX, aY);
 745   if (myState != ModifiedInViewer)
 746     storeCurentValue();
 747   // we need to block the value state change
 748   bool isBlocked = blockValueState(true);
 749   setPoint(aX, aY);
 750   blockValueState(isBlocked);
 751   setValueState(ModifiedInViewer);
 752 }
 753
 754 double PartSet_WidgetPoint2D::x() const
 755 {
 756   return myXSpin->value();
 757 }
 758
 759 double PartSet_WidgetPoint2D::y() const
 760 {
 761   return myYSpin->value();
 762 }
 763
 764
 765 bool PartSet_WidgetPoint2D::isFeatureContainsPoint(const FeaturePtr& theFeature,
 766                                                    double theX, double theY)
 767 {
 768   bool aPointIsFound = false;
 769
 770   if (feature()->getKind() != SketchPlugin_Line::ID())
 771     return aPointIsFound;
 772
 773   AttributePtr aWidgetAttribute = myFeature->attribute(attributeID());
 774
 775   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 776                                     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 777   std::list<AttributePtr> anAttributes =
 778                                 myFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 779   std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 780   for(; anIter != anAttributes.end() && !aPointIsFound; anIter++) {
 781     AttributePoint2DPtr aPoint2DAttribute =
 782       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 783     if (aPoint2DAttribute == aWidgetAttribute)
 784       continue;
 785     if (aPoint2DAttribute.get() && aPoint2DAttribute->isInitialized()) {
 786       aPointIsFound = aPoint2DAttribute->pnt()->isEqual(aPnt2d);
 787     }
 788   }
 789   return aPointIsFound;
 790 }
 791
 792 void PartSet_WidgetPoint2D::initializeValueByActivate()
 793 {
 794 }
 795
 796 /*void PartSet_WidgetPoint2D::onValuesChanged()
 797 {
 798   emit valuesChanged();
 799 }*/
 800
 801 bool PartSet_WidgetPoint2D::processEnter()
 802 {
 803   return false;
 804   /*bool isModified = getValueState() == ModifiedInPP;
 805   if (isModified) {
 806     bool isXModified = myXSpin->hasFocus();
 807     emit valuesChanged();
 808     if (isXModified)
 809       myXSpin->selectAll();
 810     else
 811       myYSpin->selectAll();
 812   }
 813   return isModified;*/
 814 }
 815
 816 bool PartSet_WidgetPoint2D::useSelectedShapes() const
 817 {
 818   return true;
 819 }
 820
 821 bool PartSet_WidgetPoint2D::isOrphanPoint(const FeaturePtr& theFeature,
 822                                           const CompositeFeaturePtr& theSketch,
 823                                           double theX, double theY)
 824 {
 825   bool anOrphanPoint = false;
 826   if (theFeature.get()) {
 827     AttributePoint2DPtr aPointAttr;
 828     std::string aFeatureKind = theFeature->getKind();
 829     if (aFeatureKind == SketchPlugin_Point::ID())
 830       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 831                                        theFeature->attribute(SketchPlugin_Point::COORD_ID()));
 832     else if (aFeatureKind == SketchPlugin_Circle::ID())
 833       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 834                                        theFeature->attribute(SketchPlugin_Circle::CENTER_ID()));
 835
 836     else if (aFeatureKind == SketchPlugin_Arc::ID())
 837       aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 838                                        theFeature->attribute(SketchPlugin_Arc::CENTER_ID()));
 839
 840     /// check that the geometry point with the given coordinates is the checked point
 841     /// e.g. in arc the (x,y) point can not coicide to the center point and it automatically
 842     /// means that this point is not an orphant one.
 843     if (aPointAttr.get()) {
 844       std::shared_ptr<GeomAPI_Pnt2d> aCheckedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 845                                                     new GeomAPI_Pnt2d(theX, theY));
 846       if (!aCheckedPoint->isEqual(aPointAttr->pnt()))
 847         return anOrphanPoint;
 848     }
 849
 850     if (aPointAttr.get()) {
 851       std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointAttr->pnt();
 852       // we need to find coincidence features in results also, because external object(point)
 853       // uses refs to me in another feature.
 854       FeaturePtr aCoincidence = PartSet_Tools::findFirstCoincidence(theFeature, aPoint);
 855       anOrphanPoint = true;
 856       // if there is at least one concident line to the point, the point is not an orphant
 857       if (aCoincidence.get()) {
 858         QList<FeaturePtr> aCoinsideLines;
 859         QList<FeaturePtr> aCoins;
 860         QList<bool> anIsAttributes;
 861         PartSet_Tools::findCoincidences(aCoincidence, aCoinsideLines, aCoins,
 862                                         SketchPlugin_ConstraintCoincidence::ENTITY_A(),
 863                                         anIsAttributes);
 864         PartSet_Tools::findCoincidences(aCoincidence, aCoinsideLines, aCoins,
 865                                         SketchPlugin_ConstraintCoincidence::ENTITY_B(),
 866                                         anIsAttributes);
 867         QList<FeaturePtr>::const_iterator anIt = aCoinsideLines.begin(),
 868                                           aLast = aCoinsideLines.end();
 869         for (; anIt != aLast && anOrphanPoint; anIt++) {
 870           anOrphanPoint = (*anIt)->getKind() != SketchPlugin_Line::ID();
 871         }
 872       }
 873     }
 874   }
 875   return anOrphanPoint;
 876 }
 877
 878 bool PartSet_WidgetPoint2D::shapeExploreHasVertex(const GeomShapePtr& theShape,
 879                                                   const std::shared_ptr<GeomAPI_Pnt2d>& thePoint,
 880                                                   const CompositeFeaturePtr& theSketch)
 881 {
 882   std::shared_ptr<GeomAPI_Pnt> aPoint = PartSet_Tools::point3D(thePoint, theSketch);
 883
 884   bool aContainPoint = false;
 885   GeomAPI_ShapeExplorer anExp(theShape, GeomAPI_Shape::VERTEX);
 886   for(; anExp.more() && !aContainPoint; anExp.next()) {
 887     std::shared_ptr<GeomAPI_Shape> aVertexInCompSolid = anExp.current();
 888     std::shared_ptr<GeomAPI_Vertex> aVertex(new GeomAPI_Vertex(aVertexInCompSolid));
 889     if (aVertex.get())
 890       aContainPoint = aPoint->isEqual(aVertex->point());
 891   }
 892   return aContainPoint;
 893 }
 894
 895 AttributeRefAttrPtr PartSet_WidgetPoint2D::attributeRefAttr() const
 896 {
 897   AttributeRefAttrPtr anAttribute;
 898   if (myRefAttribute.empty())
 899     return anAttribute;
 900
 901   AttributePtr anAttributeRef = feature()->attribute(myRefAttribute);
 902   if (!anAttributeRef.get())
 903     return anAttribute;
 904
 905   return std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(anAttributeRef);
 906 }
 907
 908 void PartSet_WidgetPoint2D::fillRefAttribute(double theClickedX, double theClickedY,
 909                               const std::shared_ptr<ModuleBase_ViewerPrs>& theValue)
 910 {
 911   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 912   if (!aRefAttr.get())
 913     return;
 914
 915   FeaturePtr aFeature = feature();
 916   std::string anAttribute = attributeID();
 917
 918   if (aFeature.get()) {
 919     std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 920                                       new GeomAPI_Pnt2d(theClickedX, theClickedY));
 921     AttributePoint2DPtr aClickedFeaturePoint = findFirstEqualPointInSketch(mySketch,
 922                                                             aFeature, aClickedPoint);
 923     if (aClickedFeaturePoint.get())
 924       aRefAttr->setAttr(aClickedFeaturePoint);
 925     else {
 926       ObjectPtr anObject = getGeomSelection(theValue);
 927       if (anObject.get())
 928         aRefAttr->setObject(anObject);
 929     }
 930   }
 931 }
 932
 933 void PartSet_WidgetPoint2D::fillRefAttribute(const ModuleBase_ViewerPrsPtr& theValue)
 934 {
 935   fillRefAttribute(getGeomSelection(theValue));
 936 }
 937
 938 void PartSet_WidgetPoint2D::fillRefAttribute(const ObjectPtr& theObject)
 939 {
 940   AttributeRefAttrPtr aRefAttr = attributeRefAttr();
 941   if (aRefAttr.get())
 942     aRefAttr->setObject(theObject);
 943 }
 944
 945 std::shared_ptr<GeomDataAPI_Point2D> PartSet_WidgetPoint2D::findFirstEqualPointInArgumentFeatures(
 946                   const FeaturePtr& theFeature, const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
 947 {
 948   std::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint;
 949
 950   // may be feature is not updated yet, execute is not performed and references features
 951   // are not created. Case: rectangle macro feature
 952   ModuleBase_Tools::flushUpdated(theFeature);
 953
 954   std::list<AttributePtr> anAttributes = theFeature->data()->attributes(
 955                                           ModelAPI_AttributeRefList::typeId());
 956   std::list<AttributePtr>::const_iterator anIt = anAttributes.begin(), aLast = anAttributes.end();
 957   for (; anIt != aLast && !aFeaturePoint.get(); anIt++) {
 958     std::shared_ptr<ModelAPI_AttributeRefList> aCurSelList =
 959                                       std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(*anIt);
 960     for (int i = 0, aNb = aCurSelList->size(); i < aNb && !aFeaturePoint.get(); i++) {
 961       ObjectPtr anObject = aCurSelList->object(i);
 962       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
 963       if (aFeature.get())
 964         aFeaturePoint = findFirstEqualPoint(aFeature, thePoint);
 965     }
 966   }
 967   return aFeaturePoint;
 968 }
 969
 970 std::shared_ptr<GeomDataAPI_Point2D> PartSet_WidgetPoint2D::findFirstEqualPoint(
 971                                               const FeaturePtr& theFeature,
 972                                               const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
 973 {
 974   std::shared_ptr<GeomDataAPI_Point2D> aFPoint;
 975
 976   // find the given point in the feature attributes
 977   std::list<std::shared_ptr<ModelAPI_Attribute> > anAttiributes =
 978                                     theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 979   std::list<std::shared_ptr<ModelAPI_Attribute> >::const_iterator anIt = anAttiributes.begin(),
 980       aLast = anAttiributes.end();
 981   ModelAPI_ValidatorsFactory* aValidators = ModelAPI_Session::get()->validators();
 982
 983   for (; anIt != aLast && !aFPoint; anIt++) {
 984     std::shared_ptr<GeomDataAPI_Point2D> aCurPoint =
 985                                              std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
 986     if (aCurPoint && aCurPoint->isInitialized() &&
 987         aValidators->isCase(theFeature, aCurPoint->id()) &&
 988         (aCurPoint->pnt()->distance(thePoint) < Precision::Confusion())) {
 989       aFPoint = aCurPoint;
 990       break;
 991     }
 992   }
 993   return aFPoint;
 994 }
 995
 996 std::shared_ptr<GeomDataAPI_Point2D> PartSet_WidgetPoint2D::findFirstEqualPointInSketch(
 997                                     const CompositeFeaturePtr& theSketch,
 998                                     const FeaturePtr& theSkipFeature,
 999                                     const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
1000 {
1001   // get all sketch features. If the point with the given coordinates belong to any sketch feature,
1002   // the constraint is created between the feature point and the found sketch point
1003   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
1004   std::shared_ptr<ModelAPI_AttributeRefList> aRefList = std::dynamic_pointer_cast<
1005       ModelAPI_AttributeRefList>(aData->attribute(SketchPlugin_Sketch::FEATURES_ID()));
1006
1007   std::list<ObjectPtr> aFeatures = aRefList->list();
1008   std::list<ObjectPtr>::const_iterator anIt = aFeatures.begin(), aLast = aFeatures.end();
1009   std::list<std::shared_ptr<ModelAPI_Attribute> > anAttiributes;
1010
1011   std::shared_ptr<GeomDataAPI_Point2D> aFPoint;
1012   for (; anIt != aLast; anIt++) {
1013     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anIt);
1014     if (!aFeature.get() || (theSkipFeature.get() && theSkipFeature == aFeature))
1015       continue;
1016     aFPoint = PartSet_WidgetPoint2D::findFirstEqualPoint(aFeature, thePoint);
1017     if (aFPoint.get())
1018       break;
1019   }
1020   return aFPoint;
1021 }
1022
1023 ObjectPtr PartSet_WidgetPoint2D::getGeomSelection(const ModuleBase_ViewerPrsPtr& theValue)
1024 {
1025   ObjectPtr anObject;
1026   GeomShapePtr aShape;
1027   ModuleBase_ISelection* aSelection = myWorkshop->selection();
1028   anObject = aSelection->getResult(theValue);
1029   aShape = aSelection->getShape(theValue);
1030   myExternalObjectMgr->getGeomSelection(theValue, anObject, aShape, myWorkshop, sketch(), true);
1031
1032   return anObject;
1033 }