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
  11 #include <ModuleBase_ParamSpinBox.h>
  12 #include <ModuleBase_Tools.h>
  13 #include <ModuleBase_IViewer.h>
  14 #include <ModuleBase_IViewWindow.h>
  15 #include <ModuleBase_ISelection.h>
  16
  17 #include <Config_Keywords.h>
  18 #include <Config_WidgetAPI.h>
  19
  20 #include <Events_Loop.h>
  21 #include <ModelAPI_Events.h>
  22
  23 #include <ModelAPI_Feature.h>
  24 #include <ModelAPI_Data.h>
  25 #include <ModelAPI_Object.h>
  26 #include <GeomDataAPI_Point2D.h>
  27 #include <GeomAPI_Pnt2d.h>
  28
  29 #include <SketchPlugin_Feature.h>
  30 #include <SketchPlugin_ConstraintCoincidence.h>
  31 #include <SketchPlugin_Line.h>
  32 #include <SketchPlugin_Arc.h>
  33 #include <SketchPlugin_Circle.h>
  34 #include <SketchPlugin_Point.h>
  35
  36 #include <QGroupBox>
  37 #include <QGridLayout>
  38 #include <QLabel>
  39 #include <QEvent>
  40 #include <QMouseEvent>
  41 #include <QApplication>
  42
  43 #include <TopoDS.hxx>
  44 #include <TopoDS_Vertex.hxx>
  45 #include <BRep_Tool.hxx>
  46
  47 #include <cfloat>
  48 #include <climits>
  49
  50 const double MaxCoordinate = 1e12;
  51
  52 static QStringList MyFeaturesForCoincedence;
  53
  54 PartSet_WidgetPoint2D::PartSet_WidgetPoint2D(QWidget* theParent,
  55                                              ModuleBase_IWorkshop* theWorkshop,
  56                                              const Config_WidgetAPI* theData,
  57                                              const std::string& theParentId)
  58  : ModuleBase_ModelWidget(theParent, theData, theParentId), myWorkshop(theWorkshop)
  59 {
  60   if (MyFeaturesForCoincedence.isEmpty()) {
  61     MyFeaturesForCoincedence << SketchPlugin_Line::ID().c_str()
  62       << SketchPlugin_Arc::ID().c_str()
  63       << SketchPlugin_Point::ID().c_str()
  64       << SketchPlugin_Circle::ID().c_str();
  65   }
  66
  67   // the control should accept the focus, so the boolen flag is corrected to be true
  68   myIsObligatory = true;
  69   //myOptionParam = theData->getProperty(PREVIOUS_FEATURE_PARAM);
  70   QString aPageName = QString::fromStdString(theData->getProperty(CONTAINER_PAGE_NAME));
  71   myGroupBox = new QGroupBox(aPageName, theParent);
  72   myGroupBox->setFlat(false);
  73
  74   QGridLayout* aGroupLay = new QGridLayout(myGroupBox);
  75   ModuleBase_Tools::adjustMargins(aGroupLay);
  76   aGroupLay->setSpacing(2);
  77   aGroupLay->setColumnStretch(1, 1);
  78   {
  79     QLabel* aLabel = new QLabel(myGroupBox);
  80     aLabel->setText(tr("X "));
  81     aGroupLay->addWidget(aLabel, 0, 0);
  82
  83     myXSpin = new ModuleBase_ParamSpinBox(myGroupBox);
  84     myXSpin->setMinimum(-DBL_MAX);
  85     myXSpin->setMaximum(DBL_MAX);
  86     myXSpin->setToolTip(tr("X"));
  87     aGroupLay->addWidget(myXSpin, 0, 1);
  88
  89     connect(myXSpin, SIGNAL(valueChanged(const QString&)), this, SIGNAL(valuesModified()));
  90   }
  91   {
  92     QLabel* aLabel = new QLabel(myGroupBox);
  93     aLabel->setText(tr("Y "));
  94     aGroupLay->addWidget(aLabel, 1, 0);
  95
  96     myYSpin = new ModuleBase_ParamSpinBox(myGroupBox);
  97     myYSpin->setMinimum(-DBL_MAX);
  98     myYSpin->setMaximum(DBL_MAX);
  99     myYSpin->setToolTip(tr("Y"));
 100     aGroupLay->addWidget(myYSpin, 1, 1);
 101
 102     connect(myYSpin, SIGNAL(valueChanged(const QString&)), this, SIGNAL(valuesModified()));
 103   }
 104   QVBoxLayout* aLayout = new QVBoxLayout(this);
 105   ModuleBase_Tools::zeroMargins(aLayout);
 106   aLayout->addWidget(myGroupBox);
 107   setLayout(aLayout);
 108 }
 109
 110 bool PartSet_WidgetPoint2D::resetCustom()
 111 {
 112   bool aDone = false;
 113   if (!isUseReset() || isComputedDefault() || myXSpin->hasVariable() || myYSpin->hasVariable()) {
 114     aDone = false;
 115   }
 116   else {
 117     bool isOk;
 118     double aDefValue = QString::fromStdString(getDefaultValue()).toDouble(&isOk);
 119     // it is important to block the spin box control in order to do not through out the
 120     // locking of the validating state.
 121     ModuleBase_Tools::setSpinValue(myXSpin, isOk ? aDefValue : 0.0);
 122     ModuleBase_Tools::setSpinValue(myYSpin, isOk ? aDefValue : 0.0);
 123     storeValueCustom();
 124     aDone = true;
 125   }
 126   return aDone;
 127 }
 128
 129 PartSet_WidgetPoint2D::~PartSet_WidgetPoint2D()
 130 {
 131 }
 132
 133 bool PartSet_WidgetPoint2D::setSelection(QList<ModuleBase_ViewerPrs>& theValues,
 134                                          const bool theToValidate)
 135 {
 136   bool isDone = false;
 137   if (theValues.empty())
 138     return isDone;
 139
 140   ModuleBase_ViewerPrs aValue = theValues.takeFirst();
 141   TopoDS_Shape aShape = aValue.shape();
 142   if (!aShape.IsNull()) {
 143     Handle(V3d_View) aView = myWorkshop->viewer()->activeView();
 144     double aX, aY;
 145     if (getPoint2d(aView, aShape, aX, aY)) {
 146       isDone = setPoint(aX, aY);
 147     }
 148   }
 149   else if (canBeActivatedByMove()) {
 150     if (feature()->getKind() == SketchPlugin_Line::ID()) {
 151       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aValue.object());
 152       // Initialise new line with first point equal to end of previous
 153       if (aFeature.get()) {
 154         std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 155         std::shared_ptr<GeomDataAPI_Point2D> aPoint =
 156           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 157                                        aData->attribute(SketchPlugin_Line::END_ID()));
 158         if (aPoint) {
 159           setPoint(aPoint->x(), aPoint->y());
 160           PartSet_Tools::setConstraints(mySketch, feature(), attributeID(), aPoint->x(),
 161                                         aPoint->y());
 162           isDone = true;
 163         }
 164       }
 165     }
 166   }
 167   return isDone;
 168 }
 169
 170 bool PartSet_WidgetPoint2D::setPoint(double theX, double theY)
 171 {
 172   if (fabs(theX) >= MaxCoordinate)
 173     return false;
 174   if (fabs(theY) >= MaxCoordinate)
 175     return false;
 176
 177   ModuleBase_Tools::setSpinValue(myXSpin, theX);
 178   ModuleBase_Tools::setSpinValue(myYSpin, theY);
 179
 180   storeValue();
 181   return true;
 182 }
 183
 184 bool PartSet_WidgetPoint2D::storeValueCustom() const
 185 {
 186   std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 187   if (!aData) // can be on abort of sketcher element
 188     return false;
 189   std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 190       aData->attribute(attributeID()));
 191
 192   PartSet_WidgetPoint2D* that = (PartSet_WidgetPoint2D*) this;
 193   bool isBlocked = that->blockSignals(true);
 194   bool isImmutable = aPoint->setImmutable(true);
 195
 196   // if text is not empty then setValue will be ignored
 197   // so we should set the text at first
 198   aPoint->setText(myXSpin->hasVariable() ? myXSpin->text().toStdString() : "",
 199                   myYSpin->hasVariable() ? myYSpin->text().toStdString() : "");
 200   aPoint->setValue(!myXSpin->hasVariable() ? myXSpin->value() : aPoint->x(),
 201                    !myYSpin->hasVariable() ? myYSpin->value() : aPoint->y());
 202
 203   // after movement the solver will call the update event: optimization
 204   moveObject(myFeature);
 205   aPoint->setImmutable(isImmutable);
 206   that->blockSignals(isBlocked);
 207
 208   return true;
 209 }
 210
 211 bool PartSet_WidgetPoint2D::restoreValueCustom()
 212 {
 213   std::shared_ptr<ModelAPI_Data> aData = myFeature->data();
 214   std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 215       aData->attribute(attributeID()));
 216   QString aTextX = QString::fromStdString(aPoint->textX());
 217   QString aTextY = QString::fromStdString(aPoint->textY());
 218
 219   bool isDouble = false;
 220   double aVal = 0;
 221   if (aTextX.isEmpty()) {
 222     ModuleBase_Tools::setSpinValue(myXSpin, aPoint->x());
 223   } else {
 224     aVal = aTextX.toDouble(&isDouble);
 225     if (isDouble)
 226       ModuleBase_Tools::setSpinValue(myXSpin, aVal);
 227     else
 228       ModuleBase_Tools::setSpinText(myXSpin, aTextX);
 229   }
 230   if (aTextY.isEmpty()) {
 231     ModuleBase_Tools::setSpinValue(myYSpin, aPoint->y());
 232   } else {
 233     aVal = aTextY.toDouble(&isDouble);
 234     if (isDouble)
 235       ModuleBase_Tools::setSpinValue(myYSpin, aVal);
 236     else
 237       ModuleBase_Tools::setSpinText(myYSpin, aTextY);
 238   }
 239   //if (aTextX.empty() || aTextY.empty()) {
 240   //  ModuleBase_Tools::setSpinValue(myXSpin, aPoint->x());
 241   //  ModuleBase_Tools::setSpinValue(myYSpin, aPoint->y());
 242   //} else {
 243   //  ModuleBase_Tools::setSpinText(myXSpin, QString::fromStdString(aTextX));
 244   //  ModuleBase_Tools::setSpinText(myYSpin, QString::fromStdString(aTextY));
 245   //}
 246   return true;
 247 }
 248
 249 QList<QWidget*> PartSet_WidgetPoint2D::getControls() const
 250 {
 251   QList<QWidget*> aControls;
 252   aControls.append(myXSpin);
 253   aControls.append(myYSpin);
 254   return aControls;
 255 }
 256
 257
 258 void PartSet_WidgetPoint2D::activateCustom()
 259 {
 260   ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 261   connect(aViewer, SIGNAL(mouseMove(ModuleBase_IViewWindow*, QMouseEvent*)),
 262           this, SLOT(onMouseMove(ModuleBase_IViewWindow*, QMouseEvent*)));
 263   connect(aViewer, SIGNAL(mouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)),
 264           this, SLOT(onMouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)));
 265
 266   QIntList aModes;
 267   aModes << TopAbs_VERTEX;
 268   aModes << TopAbs_EDGE;
 269   myWorkshop->activateSubShapesSelection(aModes);
 270 }
 271
 272 bool PartSet_WidgetPoint2D::canBeActivatedByMove()
 273 {
 274   bool aCanBeActivated = false;
 275   if (feature()->getKind() == SketchPlugin_Line::ID() &&
 276       attributeID() == SketchPlugin_Line::START_ID())
 277     aCanBeActivated = true;
 278
 279   return aCanBeActivated;
 280 }
 281
 282 void PartSet_WidgetPoint2D::deactivate()
 283 {
 284   ModuleBase_ModelWidget::deactivate();
 285   ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 286   disconnect(aViewer, SIGNAL(mouseMove(ModuleBase_IViewWindow*, QMouseEvent*)),
 287              this, SLOT(onMouseMove(ModuleBase_IViewWindow*, QMouseEvent*)));
 288   disconnect(aViewer, SIGNAL(mouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)),
 289              this, SLOT(onMouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)));
 290
 291   myWorkshop->deactivateSubShapesSelection();
 292 }
 293
 294 bool PartSet_WidgetPoint2D::getPoint2d(const Handle(V3d_View)& theView,
 295                                        const TopoDS_Shape& theShape,
 296                                        double& theX, double& theY) const
 297 {
 298   if (!theShape.IsNull()) {
 299     if (theShape.ShapeType() == TopAbs_VERTEX) {
 300       const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 301       if (!aVertex.IsNull()) {
 302         // A case when point is taken from existing vertex
 303         gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 304         PartSet_Tools::convertTo2D(aPoint, mySketch, theView, theX, theY);
 305         return true;
 306       }
 307     }
 308   }
 309   return false;
 310 }
 311
 312 void PartSet_WidgetPoint2D::setConstraintWith(const ObjectPtr& theObject)
 313 {
 314   // Create point-edge coincedence
 315   FeaturePtr aFeature = mySketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 316   std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 317
 318   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 319       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 320   AttributePtr aThisAttr = feature()->data()->attribute(attributeID());
 321   std::shared_ptr<GeomDataAPI_Point2D> aThisPoint =
 322     std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aThisAttr);
 323   aRef1->setAttr(aThisPoint);
 324
 325   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 326       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 327   aRef2->setObject(theObject);
 328
 329   aFeature->execute();
 330 }
 331
 332 void PartSet_WidgetPoint2D::onMouseRelease(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 333 {
 334   // the contex menu release by the right button should not be processed by this widget
 335   if (theEvent->button() != Qt::LeftButton)
 336     return;
 337
 338   ModuleBase_ISelection* aSelection = myWorkshop->selection();
 339   Handle(V3d_View) aView = theWnd->v3dView();
 340   // TODO: This fragment doesn't work because bug in OCC Viewer. It can be used after fixing.
 341   NCollection_List<TopoDS_Shape> aShapes;
 342   std::list<ObjectPtr> aObjects;
 343   aSelection->selectedShapes(aShapes, aObjects);
 344   // if we have selection
 345   if (aShapes.Extent() > 0) {
 346     TopoDS_Shape aShape = aShapes.First();
 347     ObjectPtr aObject = aObjects.front();
 348     FeaturePtr aSelectedFeature = ModelAPI_Feature::feature(aObject);
 349     bool anExternal = false;
 350     if (aSelectedFeature.get() != NULL) {
 351       std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 352               std::dynamic_pointer_cast<SketchPlugin_Feature>(aSelectedFeature);
 353       if ((!aSPFeature) && (!aShape.IsNull())) {
 354         anExternal = true;
 355         ResultPtr aFixedObject = PartSet_Tools::findFixedObjectByExternal(aShape, aObject, mySketch);
 356         if (!aFixedObject.get())
 357           aObject = PartSet_Tools::createFixedObjectByExternal(aShape, aObject, mySketch);
 358
 359         double aX, aY;
 360         if (getPoint2d(aView, aShape, aX, aY) && isFeatureContainsPoint(myFeature, aX, aY)) {
 361           // do not create a constraint to the point, which already used by the feature
 362           // if the feature contains the point, focus is not switched
 363           setPoint(aX, aY);
 364         }
 365         else {
 366           if (getPoint2d(aView, aShape, aX, aY))
 367             setPoint(aX, aY);
 368           setConstraintWith(aObject);
 369           emit vertexSelected();
 370           emit focusOutWidget(this);
 371         }
 372       }
 373     }
 374     if (!anExternal) {
 375       double aX, aY;
 376       bool isProcessed = false;
 377       if (getPoint2d(aView, aShape, aX, aY) && isFeatureContainsPoint(myFeature, aX, aY)) {
 378         // when the point is selected, the coordinates of the point should be set into the attribute
 379         // if the feature contains the point, focus is not switched
 380         setPoint(aX, aY);
 381       }
 382       else {
 383         // do not set a coincidence constraint in the attribute if the feature contains a point
 384         // with the same coordinates. It is important for line creation in order to do not set
 385         // the same constraints for the same points, oterwise the result line has zero length.
 386         if (getPoint2d(aView, aShape, aX, aY)) {
 387           setPoint(aX, aY);
 388           PartSet_Tools::setConstraints(mySketch, feature(), attributeID(), aX, aY);
 389         }
 390         else if (aShape.ShapeType() == TopAbs_EDGE) {
 391           if (MyFeaturesForCoincedence.contains(myFeature->getKind().c_str()))
 392             setConstraintWith(aObject);
 393         }
 394         // it is important to perform updateObject() in order to the current value is
 395         // processed by Sketch Solver. Test case: line is created from a previous point
 396         // to some distance, but in the area of the highlighting of the point. Constraint
 397         // coincidence is created, after the solver is performed, the distance between the
 398         // points of the line becomes less than the tolerance. Validator of the line returns
 399         // false, the line will be aborted, but sketch stays valid.
 400         updateObject(feature());
 401         emit vertexSelected();
 402         emit focusOutWidget(this);
 403       }
 404     }
 405   }
 406   // End of Bug dependent fragment
 407   else {
 408     // A case when point is taken from mouse event
 409     gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWnd->v3dView());
 410     double aX, anY;
 411     PartSet_Tools::convertTo2D(aPoint, mySketch, aView, aX, anY);
 412
 413     // if the feature contains the point, focus is not switched
 414     if (!setPoint(aX, anY) || isFeatureContainsPoint(myFeature, aX, anY))
 415       return;
 416
 417     /// Start alternative code
 418     //std::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint = std::dynamic_pointer_cast<
 419     //    GeomDataAPI_Point2D>(feature()->data()->attribute(attributeID()));
 420     //QList<FeaturePtr> aIgnore;
 421     //aIgnore.append(feature());
 422
 423     //double aTolerance = aView->Convert(7);
 424     //std::shared_ptr<GeomDataAPI_Point2D> aAttrPnt =
 425     //  PartSet_Tools::findAttributePoint(mySketch, aX, anY, aTolerance, aIgnore);
 426     //if (aAttrPnt.get() != NULL) {
 427     //  aFeaturePoint->setValue(aAttrPnt->pnt());
 428     //  PartSet_Tools::createConstraint(mySketch, aAttrPnt, aFeaturePoint);
 429     //  emit vertexSelected();
 430     //}
 431     /// End alternative code
 432     emit focusOutWidget(this);
 433   }
 434 }
 435
 436
 437 void PartSet_WidgetPoint2D::onMouseMove(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 438 {
 439   if (isEditingMode())
 440     return;
 441
 442   gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWnd->v3dView());
 443
 444   double aX, anY;
 445   PartSet_Tools::convertTo2D(aPoint, mySketch, theWnd->v3dView(), aX, anY);
 446   // we need to block the value state change
 447   bool isBlocked = blockValueState(true);
 448   setPoint(aX, anY);
 449   blockValueState(isBlocked);
 450   setValueState(ModifiedInViewer);
 451 }
 452
 453 double PartSet_WidgetPoint2D::x() const
 454 {
 455   return myXSpin->value();
 456 }
 457
 458 double PartSet_WidgetPoint2D::y() const
 459 {
 460   return myYSpin->value();
 461 }
 462
 463
 464 bool PartSet_WidgetPoint2D::isFeatureContainsPoint(const FeaturePtr& theFeature,
 465                                                    double theX, double theY)
 466 {
 467   bool aPointIsFound = false;
 468   AttributePtr aWidgetAttribute = myFeature->attribute(attributeID());
 469
 470   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 471                                     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 472   std::list<AttributePtr> anAttributes =
 473                                 myFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 474   std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 475   for(; anIter != anAttributes.end() && !aPointIsFound; anIter++) {
 476     AttributePoint2DPtr aPoint2DAttribute =
 477       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 478     if (aPoint2DAttribute == aWidgetAttribute)
 479       continue;
 480     if (aPoint2DAttribute.get() && aPoint2DAttribute->isInitialized()) {
 481       aPointIsFound = aPoint2DAttribute->pnt()->isEqual(aPnt2d);
 482     }
 483   }
 484   return aPointIsFound;
 485 }
 486
 487 /*void PartSet_WidgetPoint2D::onValuesChanged()
 488 {
 489   emit valuesChanged();
 490 }*/
 491
 492 bool PartSet_WidgetPoint2D::processEnter()
 493 {
 494   bool isModified = myXSpin->isModified() || myYSpin->isModified();
 495   if (isModified) {
 496     bool isXModified = myXSpin->isModified();
 497     emit valuesChanged();
 498     //onValuesChanged();
 499     myXSpin->clearModified();
 500     myYSpin->clearModified();
 501     if (isXModified)
 502       myXSpin->selectAll();
 503     else
 504       myYSpin->selectAll();
 505   }
 506   return isModified;
 507 }