src/PartSet/PartSet_WidgetSketchLabel.cpp

   1 // Copyright (C) 2014-2020  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_WidgetSketchLabel.h"
  21 #include "PartSet_Tools.h"
  22 #include "PartSet_Module.h"
  23 #include "PartSet_PreviewPlanes.h"
  24 #include "PartSet_SketcherReentrantMgr.h"
  25
  26 #include "SketchPlugin_SketchEntity.h"
  27
  28 #include <XGUI_ActionsMgr.h>
  29 #include <XGUI_Displayer.h>
  30 #include <XGUI_ModuleConnector.h>
  31 #include <XGUI_SelectionActivate.h>
  32 #include <XGUI_Selection.h>
  33 #include <XGUI_SelectionMgr.h>
  34 #include <XGUI_Tools.h>
  35 #include <XGUI_ViewerProxy.h>
  36 #include <XGUI_Workshop.h>
  37
  38 #include <ModelAPI_ResultBody.h>
  39 #include <ModelAPI_Tools.h>
  40 #include <ModelAPI_AttributeString.h>
  41 #include <ModelAPI_Events.h>
  42 #include <ModelAPI_ResultConstruction.h>
  43
  44 #include <ModuleBase_Operation.h>
  45 #include <ModuleBase_ViewerPrs.h>
  46 #include <ModuleBase_Tools.h>
  47 #include <ModuleBase_IModule.h>
  48 #include <ModuleBase_IPropertyPanel.h>
  49
  50 #include <GeomAlgoAPI_FaceBuilder.h>
  51 #include <GeomAlgoAPI_ShapeTools.h>
  52 #include <GeomDataAPI_Point.h>
  53 #include <GeomDataAPI_Dir.h>
  54 #include <GeomAPI_XYZ.h>
  55 #include <GeomAPI_Face.h>
  56 #include <GeomAPI_Edge.h>
  57 #include <GeomAPI_ShapeExplorer.h>
  58
  59 #include <SketchPlugin_Sketch.h>
  60 #include <SketcherPrs_Tools.h>
  61
  62 #include <Precision.hxx>
  63 #include <gp_Pln.hxx>
  64 #include <gp_Pnt.hxx>
  65 #include <gp_Dir.hxx>
  66 #include <AIS_Shape.hxx>
  67 #include <AIS_DimensionSelectionMode.hxx>
  68 #include <Bnd_Box.hxx>
  69
  70 #include <Config_WidgetAPI.h>
  71 #include <Config_PropManager.h>
  72
  73 #include <QLabel>
  74 #include <QApplication>
  75 #include <QVBoxLayout>
  76 #include <QHBoxLayout>
  77 #include <QCheckBox>
  78 #include <QGroupBox>
  79 #include <QPushButton>
  80 #include <QLineEdit>
  81 #include <QDoubleValidator>
  82 #include <QDialog>
  83 #include <QTimer>
  84
  85 #ifndef DBL_MAX
  86 #define DBL_MAX 1.7976931348623158e+308
  87 #endif
  88
  89 PartSet_WidgetSketchLabel::PartSet_WidgetSketchLabel(QWidget* theParent,
  90                         ModuleBase_IWorkshop* theWorkshop,
  91                         const Config_WidgetAPI* theData,
  92                         const QMap<PartSet_Tools::ConstraintVisibleState, bool>& toShowConstraints)
  93 : ModuleBase_WidgetValidated(theParent, theWorkshop, theData), myOpenTransaction(false),
  94 myIsSelection(false)
  95 {
  96   QVBoxLayout* aLayout = new QVBoxLayout(this);
  97   ModuleBase_Tools::zeroMargins(aLayout);
  98
  99   myStackWidget = new QStackedWidget(this);
 100   myStackWidget->setContentsMargins(0,0,0,0);
 101   aLayout->addWidget(myStackWidget);
 102
 103   // Define label for plane selection
 104   QWidget* aFirstWgt = new QWidget(this);
 105
 106   // Size of the View control
 107   mySizeOfViewWidget = new QWidget(aFirstWgt);
 108   QHBoxLayout* aSizeLayout = new QHBoxLayout(mySizeOfViewWidget);
 109   aSizeLayout->addWidget(new QLabel(tr("Size of the view"), mySizeOfViewWidget));
 110   mySizeOfView = new QLineEdit(mySizeOfViewWidget);
 111
 112   QDoubleValidator* aValidator = new QDoubleValidator(0, DBL_MAX, 12, mySizeOfView);
 113   aValidator->setLocale(ModuleBase_Tools::doubleLocale());
 114   aValidator->setNotation(QDoubleValidator::StandardNotation);
 115   mySizeOfView->setValidator(aValidator);
 116   aSizeLayout->addWidget(mySizeOfView);
 117
 118   myPartSetMessage = new QDialog(this, Qt::ToolTip);
 119   myPartSetMessage->setModal(false);
 120   myPartSetMessage->setStyleSheet("background-color:lightyellow;");
 121   QVBoxLayout* aMsgLay = new QVBoxLayout(myPartSetMessage);
 122   QString aMsg = tr("The Sketch is created in PartSet.\n"
 123     "It will be necessary to create a Part in order to use this sketch for body creation");
 124   aMsgLay->addWidget(new QLabel(aMsg, myPartSetMessage));
 125   myPartSetMessage->hide();
 126
 127   mySizeMessage = new QDialog(mySizeOfView, Qt::ToolTip);
 128   mySizeMessage->setModal(false);
 129   mySizeMessage->setStyleSheet("background-color:lightyellow;");
 130   aMsgLay = new QVBoxLayout(mySizeMessage);
 131   aMsg = tr("A size of Sketch view can be defined here.");
 132   aMsgLay->addWidget(new QLabel(aMsg, mySizeMessage));
 133   mySizeMessage->hide();
 134
 135   QString aText = translate(theData->getProperty("title"));
 136   QLabel* aLabel = new QLabel(aText, aFirstWgt);
 137   aLabel->setWordWrap(true);
 138   QString aTooltip = translate(theData->getProperty("tooltip"));
 139   aLabel->setToolTip(aTooltip);
 140   aLabel->setIndent(5);
 141
 142   aLayout = new QVBoxLayout(aFirstWgt);
 143   ModuleBase_Tools::zeroMargins(aLayout);
 144   aLayout->addWidget(mySizeOfViewWidget);
 145   aLayout->addWidget(aLabel);
 146
 147   myRemoveExternal = new QCheckBox(tr("Remove external dependencies"), aFirstWgt);
 148   myRemoveExternal->setChecked(false);
 149   aLayout->addWidget(myRemoveExternal);
 150   myRemoveExternal->setVisible(false);
 151
 152   aLayout->addStretch(1);
 153
 154   myStackWidget->addWidget(aFirstWgt);
 155
 156   // Define widget for sketch manmagement
 157   QWidget* aSecondWgt = new QWidget(this);
 158   aLayout = new QVBoxLayout(aSecondWgt);
 159   ModuleBase_Tools::zeroMargins(aLayout);
 160
 161   QGroupBox* aViewBox = new QGroupBox(tr("Sketcher plane"), this);
 162   QVBoxLayout* aViewLayout = new QVBoxLayout(aViewBox);
 163
 164   myViewInverted = new QCheckBox(tr("Reversed"), aViewBox);
 165   aViewLayout->addWidget(myViewInverted);
 166
 167   QPushButton* aSetViewBtn =
 168     new QPushButton(QIcon(":icons/plane_view.png"), tr("Set plane view"), aViewBox);
 169   connect(aSetViewBtn, SIGNAL(clicked(bool)), this, SLOT(onSetPlaneView()));
 170   aViewLayout->addWidget(aSetViewBtn);
 171
 172   aLayout->addWidget(aViewBox);
 173
 174   QMap<PartSet_Tools::ConstraintVisibleState, QString> aStates;
 175   aStates[PartSet_Tools::Geometrical] = tr("Show geometrical constraints");
 176   aStates[PartSet_Tools::Dimensional] = tr("Show dimensional constraints");
 177   aStates[PartSet_Tools::Expressions] = tr("Show existing expressions");
 178
 179   QMap<PartSet_Tools::ConstraintVisibleState, QString>::const_iterator anIt = aStates.begin(),
 180                                                         aLast = aStates.end();
 181   for (; anIt != aLast; anIt++) {
 182     QCheckBox* aShowConstraints = new QCheckBox(anIt.value(), this);
 183     connect(aShowConstraints, SIGNAL(toggled(bool)), this, SLOT(onShowConstraint(bool)));
 184     aLayout->addWidget(aShowConstraints);
 185
 186     PartSet_Tools::ConstraintVisibleState aState = anIt.key();
 187     myShowConstraints[aState] = aShowConstraints;
 188
 189     if (toShowConstraints.contains(aState))
 190       aShowConstraints->setChecked(toShowConstraints[aState]);
 191   }
 192   myShowPoints = new QCheckBox(tr("Show free points"), this);
 193   connect(myShowPoints, SIGNAL(toggled(bool)), this, SIGNAL(showFreePoints(bool)));
 194   aLayout->addWidget(myShowPoints);
 195
 196   myAutoConstraints = new QCheckBox(tr("Automatic constraints"), this);
 197   myAutoConstraints->setToolTip(tr("Automatic vertical and horizontal constraints"));
 198   connect(myAutoConstraints, SIGNAL(toggled(bool)), this, SIGNAL(autoConstraints(bool)));
 199   aLayout->addWidget(myAutoConstraints);
 200
 201   QPushButton* aPlaneBtn = new QPushButton(tr("Change sketch plane"), aSecondWgt);
 202   connect(aPlaneBtn, SIGNAL(clicked(bool)), SLOT(onChangePlane()));
 203   aLayout->addWidget(aPlaneBtn);
 204
 205   aLayout->addSpacing(15);
 206
 207   myDoFLabel = new QLabel("", aSecondWgt);
 208   aLayout->addWidget(myDoFLabel);
 209
 210   myShowDOFBtn = new QPushButton(tr("Show remaining DoFs"), aSecondWgt);
 211   aLayout->addWidget(myShowDOFBtn);
 212   myShowDOFBtn->setEnabled(false);
 213   connect(myShowDOFBtn, SIGNAL(clicked(bool)), SLOT(onShowDOF()));
 214
 215   myStackWidget->addWidget(aSecondWgt);
 216   //setLayout(aLayout);
 217
 218   myPreviewPlanes = new PartSet_PreviewPlanes();
 219 }
 220
 221 PartSet_WidgetSketchLabel::~PartSet_WidgetSketchLabel()
 222 {
 223 }
 224
 225 bool PartSet_WidgetSketchLabel::setSelection(QList<ModuleBase_ViewerPrsPtr>& theValues,
 226                                              const bool theToValidate)
 227 {
 228   // do not use the given selection if the plane of the sketch has been already set.
 229   // If this check is absent, a selected plane in the viewer can be set in the sketch
 230   // even if the sketch is built on another plane.
 231   if (plane().get())
 232     return true;
 233
 234   ModuleBase_ViewerPrsPtr aPrs = theValues.first();
 235   bool aDone = setSelectionInternal(theValues, theToValidate);
 236   if (aDone)
 237     updateByPlaneSelected(aPrs);
 238   return aDone;
 239 }
 240
 241 QList<QWidget*> PartSet_WidgetSketchLabel::getControls() const
 242 {
 243   QList<QWidget*> aResult;
 244   aResult << myStackWidget;
 245   return aResult;
 246 }
 247
 248 bool PartSet_WidgetSketchLabel::processSelection()
 249 {
 250   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 251   if (aPlane.get())
 252     return false;
 253
 254   QList<ModuleBase_ViewerPrsPtr> aSelected = getFilteredSelected();
 255
 256   if (aSelected.empty())
 257     return false;
 258   ModuleBase_ViewerPrsPtr aPrs = aSelected.first();
 259   bool aDone = setSelectionInternal(aSelected, false);
 260   if (aDone) {
 261     updateByPlaneSelected(aPrs);
 262     updateObject(myFeature);
 263   }
 264
 265   return aDone;
 266 }
 267
 268 void PartSet_WidgetSketchLabel::onShowConstraint(bool theOn)
 269 {
 270   QCheckBox* aSenderCheckBox = qobject_cast<QCheckBox*>(sender());
 271
 272   QMap<PartSet_Tools::ConstraintVisibleState, QCheckBox*>::const_iterator
 273                           anIt = myShowConstraints.begin(), aLast = myShowConstraints.end();
 274
 275   PartSet_Tools::ConstraintVisibleState aState = PartSet_Tools::Geometrical;
 276   bool aFound = false;
 277   for (; anIt != aLast && !aFound; anIt++) {
 278     aFound = anIt.value() == aSenderCheckBox;
 279     if (aFound)
 280       aState = anIt.key();
 281   }
 282   if (aFound)
 283     emit showConstraintToggled(aState, theOn);
 284 }
 285
 286 void PartSet_WidgetSketchLabel::blockAttribute(const AttributePtr& theAttribute,
 287                                                const bool& theToBlock, bool& isFlushesActived,
 288                                                bool& isAttributeSetInitializedBlocked,
 289                                                bool& isAttributeSendUpdatedBlocked)
 290 {
 291   ModuleBase_WidgetValidated::blockAttribute(theAttribute, theToBlock, isFlushesActived,
 292                                              isAttributeSetInitializedBlocked,
 293                                              isAttributeSendUpdatedBlocked);
 294   // We do not restore the previous state of isAttributeSetInitializedBlocked for each of
 295   // attributes. It it is necessary, these states should be append to the method attributes
 296   // or stored in the widget
 297
 298   std::list<AttributePtr> anAttributes = myFeature->data()->attributes("");
 299   std::list<AttributePtr>::const_iterator anIt = anAttributes.begin(), aLast = anAttributes.end();
 300   QStringList aValues;
 301   for(; anIt != aLast; anIt++) {
 302     AttributePtr anAttribute = *anIt;
 303     if (theToBlock)
 304       anAttribute->blockSetInitialized(true);
 305     else
 306       anAttribute->blockSetInitialized(isAttributeSetInitializedBlocked);
 307   }
 308 }
 309
 310 bool PartSet_WidgetSketchLabel::setSelectionInternal(
 311                                           const QList<ModuleBase_ViewerPrsPtr>& theValues,
 312                                           const bool theToValidate)
 313 {
 314   bool aDone = false;
 315   if (theValues.empty()) {
 316     // In order to make reselection possible, set empty object and shape should be done
 317     setSelectionCustom(std::shared_ptr<ModuleBase_ViewerPrs>(
 318                               new ModuleBase_ViewerPrs(ObjectPtr(), GeomShapePtr(), NULL)));
 319     aDone = false;
 320   }
 321   else {
 322     // it removes the processed value from the parameters list
 323     ModuleBase_ViewerPrsPtr aValue = theValues.first();//.takeFirst();
 324     if (!theToValidate || isValidInFilters(aValue)) {
 325       myIsSelection = true;
 326       aDone = setSelectionCustom(aValue);
 327       myIsSelection = false;
 328     }
 329   }
 330
 331   return aDone;
 332 }
 333
 334 void PartSet_WidgetSketchLabel::updateByPlaneSelected(const ModuleBase_ViewerPrsPtr& thePrs)
 335 {
 336   // Nullify a temporary remembered plane
 337   if (myTmpPlane.get())
 338     myTmpPlane.reset();
 339
 340   GeomPlanePtr aPlane = plane();
 341   if (!aPlane.get())
 342     return;
 343
 344   myPartSetMessage->hide();
 345   mySizeMessage->hide();
 346
 347   // 1. hide main planes if they have been displayed and display sketch preview plane
 348   myPreviewPlanes->erasePreviewPlanes(myWorkshop);
 349
 350   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 351   if (aModule) {
 352     CompositeFeaturePtr aSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 353     bool isSetSizeOfView = false;
 354     double aSizeOfView = 0;
 355     QString aSizeOfViewStr = mySizeOfView->text();
 356     if (!aSizeOfViewStr.isEmpty()) {
 357       aSizeOfView = aSizeOfViewStr.toDouble(&isSetSizeOfView);
 358       if (isSetSizeOfView && aSizeOfView <= 0) {
 359         isSetSizeOfView = false;
 360       }
 361     }
 362     aModule->sketchMgr()->previewSketchPlane()->setSizeOfView(aSizeOfView, isSetSizeOfView);
 363     aModule->sketchMgr()->previewSketchPlane()->createSketchPlane(aSketch, myWorkshop);
 364   }
 365   // 2. if the planes were displayed, change the view projection
 366
 367   std::shared_ptr<GeomAPI_Dir> aDir = aPlane->direction();
 368   gp_XYZ aXYZ = aDir->impl<gp_Dir>().XYZ();
 369   double aTwist = 0.0;
 370
 371   // Rotate view if the sketcher plane is selected only from preview planes
 372   // Preview planes are created only if there is no any shape
 373   bool aRotate = Config_PropManager::boolean(SKETCH_TAB_NAME, "rotate_to_plane");
 374   if (aRotate) {
 375     myWorkshop->viewer()->setViewProjection(aXYZ.X(), aXYZ.Y(), aXYZ.Z(), aTwist);
 376   }
 377   QString aSizeOfViewStr = mySizeOfView->text();
 378   if (!aSizeOfViewStr.isEmpty()) {
 379     bool isOk;
 380     double aSizeOfView = aSizeOfViewStr.toDouble(&isOk);
 381     if (isOk && aSizeOfView > 0) {
 382       Handle(V3d_View) aView3d = myWorkshop->viewer()->activeView();
 383       if (!aView3d.IsNull()) {
 384         Bnd_Box aBndBox;
 385         double aHalfSize = aSizeOfView/2.0;
 386         aBndBox.Update(-aHalfSize, -aHalfSize, -aHalfSize, aHalfSize, aHalfSize, aHalfSize);
 387         aView3d->FitAll(aBndBox, 0.01, false);
 388       }
 389     }
 390   }
 391   if (myOpenTransaction) {
 392     SessionPtr aMgr = ModelAPI_Session::get();
 393     aMgr->finishOperation();
 394     myOpenTransaction = false;
 395   }
 396   // 3. Clear text in the label
 397   myStackWidget->setCurrentIndex(1);
 398   //myLabel->setText("");
 399   //myLabel->setToolTip("");
 400   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 401
 402   // 5. Clear selection mode and define sketching mode
 403   emit planeSelected(plane());
 404   // after the plane is selected in the sketch, the sketch selection should be activated
 405   // it can not be performed in the sketch label widget because, we don't need to switch off
 406   // the selection by any label deactivation, but need to switch it off by stop the sketch
 407   myWorkshop->selectionActivate()->updateSelectionFilters();
 408   myWorkshop->selectionActivate()->updateSelectionModes();
 409
 410   if (aModule)
 411     aModule->onViewTransformed();
 412
 413   myWorkshop->updateCommandStatus();
 414   aWorkshop->selector()->clearSelection();
 415   myWorkshop->viewer()->update();
 416
 417   myRemoveExternal->setVisible(false);
 418 }
 419
 420 std::shared_ptr<GeomAPI_Pln> PartSet_WidgetSketchLabel::plane() const
 421 {
 422   CompositeFeaturePtr aSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 423   return PartSet_Tools::sketchPlane(aSketch);
 424 }
 425
 426 bool PartSet_WidgetSketchLabel::focusTo()
 427 {
 428   ModuleBase_Tools::setFocus(myStackWidget, "PartSet_WidgetSketchLabel::focusTo()");
 429   return true;
 430 }
 431
 432 void PartSet_WidgetSketchLabel::enableFocusProcessing()
 433 {
 434   myStackWidget->installEventFilter(this);
 435 }
 436
 437 void PartSet_WidgetSketchLabel::storeAttributeValue(const AttributePtr& theAttribute)
 438 {
 439   ModuleBase_WidgetValidated::storeAttributeValue(theAttribute);
 440 }
 441
 442 void PartSet_WidgetSketchLabel::restoreAttributeValue(const AttributePtr& theAttribute,
 443                                                       const bool theValid)
 444 {
 445   ModuleBase_WidgetValidated::restoreAttributeValue(theAttribute, theValid);
 446
 447   // it is not necessary to save the previous plane value because the plane is chosen once
 448   DataPtr aData = feature()->data();
 449   AttributeSelectionPtr aSelAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 450     (aData->attribute(SketchPlugin_SketchEntity::EXTERNAL_ID()));
 451   if (aSelAttr) {
 452     ResultPtr anEmptyResult;
 453     GeomShapePtr anEmptyShape;
 454     aSelAttr->setValue(anEmptyResult, anEmptyShape);
 455   }
 456   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 457     aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 458   anOrigin->reset();
 459   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 460     aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 461   aNormal->reset();
 462   std::shared_ptr<GeomDataAPI_Dir> aDirX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 463     aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 464   aDirX->reset();
 465 }
 466
 467 bool PartSet_WidgetSketchLabel::setSelectionCustom(const ModuleBase_ViewerPrsPtr& thePrs)
 468 {
 469   if (myIsSelection && myRemoveExternal->isVisible()) {
 470     if (myRemoveExternal->isChecked()) {
 471       myFeature->customAction(SketchPlugin_Sketch::ACTION_REMOVE_EXTERNAL());
 472     }
 473   }
 474   return fillSketchPlaneBySelection(thePrs);
 475 }
 476
 477 bool PartSet_WidgetSketchLabel::canFillSketch(const ModuleBase_ViewerPrsPtr& thePrs)
 478 {
 479   bool aCanFillSketch = true;
 480   // avoid any selection on sketch object
 481   ObjectPtr anObject = thePrs->object();
 482   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
 483   if (aResult.get()) {
 484     FeaturePtr aFeature = ModelAPI_Feature::feature(aResult);
 485     if (aFeature->getKind() == SketchPlugin_Sketch::ID())
 486       aCanFillSketch = false;
 487   }
 488   // check plane or planar face of any non-sketch object
 489   if (aCanFillSketch) {
 490     GeomShapePtr aGeomShape = thePrs->shape();
 491     if ((!aGeomShape.get() || aGeomShape->isNull()) && aResult.get()) {
 492       aGeomShape = aResult->shape();
 493     }
 494
 495     if (aGeomShape.get() && aGeomShape->shapeType() == GeomAPI_Shape::FACE) {
 496       std::shared_ptr<GeomAPI_Face> aGeomFace(new GeomAPI_Face(aGeomShape));
 497       aCanFillSketch = aGeomFace.get() && aGeomFace->isPlanar();
 498     }
 499     else
 500       aCanFillSketch = false;
 501   }
 502   return aCanFillSketch;
 503 }
 504
 505 bool PartSet_WidgetSketchLabel::fillSketchPlaneBySelection(const ModuleBase_ViewerPrsPtr& thePrs)
 506 {
 507   bool isOwnerSet = false;
 508
 509   GeomShapePtr aShape = thePrs->shape();
 510   std::shared_ptr<GeomAPI_Dir> aDir;
 511
 512   if (!aShape.get() || aShape->isNull()) {
 513     if (thePrs->object() && (feature() != thePrs->object())) {
 514       if (thePrs->object()->groupName() == ModelAPI_ResultConstruction::group()) {
 515         ResultConstructionPtr aConstruction =
 516           std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(thePrs->object());
 517         if (aConstruction.get())
 518           aShape = aConstruction->shape();
 519       }
 520     }
 521   }
 522
 523   if (aShape.get() && !aShape->isNull()) {
 524     const TopoDS_Shape& aTDShape = aShape->impl<TopoDS_Shape>();
 525     aDir = setSketchPlane(aTDShape);
 526     isOwnerSet = aDir.get();
 527   }
 528   if (thePrs->object() && (feature() != thePrs->object())) {
 529     if (thePrs->object()->groupName() != ModelAPI_ResultConstruction::group()) {
 530       FeaturePtr aFeature = ModelAPI_Feature::feature(thePrs->object());
 531       DataPtr aData = feature()->data();
 532       AttributeSelectionPtr aSelAttr =
 533         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 534         (aData->attribute(SketchPlugin_SketchEntity::EXTERNAL_ID()));
 535       if (aSelAttr.get()) {
 536         ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(thePrs->object());
 537         if (aRes.get()) {
 538           GeomShapePtr aShapePtr;
 539           if (!aShape.get() || aShape->isNull()) {  // selection happens in the OCC viewer
 540             aShapePtr = ModelAPI_Tools::shape(aRes);
 541           }
 542           else { // selection happens in OB browser
 543             aShapePtr = aShape;
 544           }
 545           if (aShapePtr.get() && aShapePtr->isFace()) {
 546             const TopoDS_Shape& aTDShape = aShapePtr->impl<TopoDS_Shape>();
 547             setSketchPlane(aTDShape);
 548             aSelAttr->setValue(aRes, aShapePtr);
 549             isOwnerSet = true;
 550           }
 551         }
 552         else {
 553           aSelAttr->setValue(aFeature, GeomShapePtr());
 554           GeomShapePtr aSelShape = aSelAttr->value();
 555           if (!aSelShape.get() && aSelAttr->contextFeature().get() &&
 556             aSelAttr->contextFeature()->firstResult().get()) {
 557             aSelShape = aSelAttr->contextFeature()->firstResult()->shape();
 558           }
 559           if (aSelShape.get() && aSelShape->isPlanar()) {
 560             const TopoDS_Shape& aTDShape = aSelShape->impl<TopoDS_Shape>();
 561             setSketchPlane(aTDShape);
 562             isOwnerSet = true;
 563           }
 564         }
 565       }
 566     }
 567   }
 568   return isOwnerSet;
 569 }
 570
 571 void PartSet_WidgetSketchLabel::activateCustom()
 572 {
 573   QWidget* aTopWidget = window();
 574   if (aTopWidget)
 575     aTopWidget->installEventFilter(this);
 576
 577   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 578   if (aModule) {
 579     bool isBlocked = myAutoConstraints->blockSignals(true);
 580     myAutoConstraints->setChecked(aModule->sketchReentranceMgr()->isAutoConstraints());
 581     myAutoConstraints->blockSignals(isBlocked);
 582   }
 583
 584   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 585   if (aPlane.get()) {
 586     myStackWidget->setCurrentIndex(1);
 587     return;
 588   }
 589
 590   myStackWidget->setCurrentIndex(0);
 591   bool aBodyIsVisualized = myPreviewPlanes->hasVisualizedBodies(myWorkshop);
 592
 593   // Clear previous selection mode It is necessary for correct activation of preview planes
 594   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 595   XGUI_Displayer* aDisp = aWorkshop->displayer();
 596   aWorkshop->selectionActivate()->activateObjects(QIntList(), aDisp->displayedObjects(), false);
 597
 598   if (!aBodyIsVisualized) {
 599     // We have to select a plane before any operation
 600     myPreviewPlanes->showPreviewPlanes(myWorkshop);
 601     mySizeOfViewWidget->setVisible(true);
 602   }
 603   else
 604     mySizeOfViewWidget->setVisible(false);
 605 }
 606
 607 void PartSet_WidgetSketchLabel::showEvent(QShowEvent* theEvent)
 608 {
 609   ModuleBase_WidgetValidated::showEvent(theEvent);
 610   QTimer::singleShot(10, this, SLOT(onShowPanel()));
 611 }
 612
 613 void PartSet_WidgetSketchLabel::hideEvent(QHideEvent* theEvent)
 614 {
 615   ModuleBase_WidgetValidated::hideEvent(theEvent);
 616   if (myPartSetMessage->isVisible())
 617     myPartSetMessage->hide();
 618   if (mySizeMessage->isVisible())
 619     mySizeMessage->hide();
 620 }
 621
 622
 623 void PartSet_WidgetSketchLabel::onShowPanel()
 624 {
 625   //if (mySizeOfViewWidget->isVisible()) {
 626   if (myStackWidget->currentIndex() == 0) {
 627     DocumentPtr aDoc = feature()->document();
 628     DocumentPtr aModDoc = ModelAPI_Session::get()->moduleDocument();
 629     if (aModDoc == aDoc) {
 630       myPartSetMessage->move(mapToGlobal(geometry().bottomLeft()));
 631       myPartSetMessage->show();
 632     }
 633     if (mySizeOfViewWidget->isVisible()) {
 634       QPoint aPnt = mySizeOfView->mapToGlobal(mySizeOfView->geometry().center());
 635       mySizeMessage->move(aPnt);
 636       mySizeMessage->show();
 637     }
 638   }
 639 }
 640
 641 void PartSet_WidgetSketchLabel::deactivate()
 642 {
 643   QWidget* aTopWidget = window();
 644   if (aTopWidget)
 645     aTopWidget->removeEventFilter(this);
 646
 647   if (myTmpPlane.get()) {
 648     setSketchPlane(myTmpPlane);
 649     myTmpPlane.reset();
 650   }
 651
 652   ModuleBase_WidgetValidated::deactivate();
 653   bool aHidePreview = myPreviewPlanes->isPreviewDisplayed();
 654   myPreviewPlanes->erasePreviewPlanes(myWorkshop);
 655
 656   if (aHidePreview)
 657     myWorkshop->viewer()->update();
 658
 659   if (myOpenTransaction) {
 660     SessionPtr aMgr = ModelAPI_Session::get();
 661     aMgr->finishOperation();
 662     myOpenTransaction = false;
 663   }
 664 }
 665
 666 void PartSet_WidgetSketchLabel::selectionModes(int& theModuleSelectionModes, QIntList& theModes)
 667 {
 668   theModuleSelectionModes = -1;
 669   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 670   if (!aPlane.get())
 671     theModes << TopAbs_FACE;
 672 }
 673
 674 void PartSet_WidgetSketchLabel::selectionFilters(QIntList& theModuleSelectionFilters,
 675                                                  SelectMgr_ListOfFilter& theSelectionFilters)
 676 {
 677   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 678   if (aPlane.get())
 679     return;
 680   return ModuleBase_WidgetValidated::selectionFilters(theModuleSelectionFilters,
 681                                                       theSelectionFilters);
 682 }
 683
 684 std::shared_ptr<GeomAPI_Dir>
 685   PartSet_WidgetSketchLabel::setSketchPlane(const TopoDS_Shape& theShape)
 686 {
 687   if (theShape.IsNull())
 688     return std::shared_ptr<GeomAPI_Dir>();
 689
 690   // get selected shape
 691   std::shared_ptr<GeomAPI_Shape> aGShape(new GeomAPI_Shape);
 692   aGShape->setImpl(new TopoDS_Shape(theShape));
 693
 694   // get plane parameters
 695   std::shared_ptr<GeomAPI_Face> aFace(new GeomAPI_Face(aGShape));
 696   std::shared_ptr<GeomAPI_Pln> aPlane = aFace->getPlane();
 697   if (!aPlane.get())
 698     return std::shared_ptr<GeomAPI_Dir>();
 699   return setSketchPlane(aPlane);
 700 }
 701
 702 std::shared_ptr<GeomAPI_Dir>
 703   PartSet_WidgetSketchLabel::setSketchPlane(std::shared_ptr<GeomAPI_Pln> thePlane)
 704 {
 705   // set plane parameters to feature
 706   std::shared_ptr<ModelAPI_Data> aData = feature()->data();
 707   double anA, aB, aC, aD;
 708   thePlane->coefficients(anA, aB, aC, aD);
 709
 710   // calculate attributes of the sketch
 711   std::shared_ptr<GeomAPI_Dir> aNormDir(new GeomAPI_Dir(anA, aB, aC));
 712   std::shared_ptr<GeomAPI_XYZ> aCoords = aNormDir->xyz();
 713   std::shared_ptr<GeomAPI_XYZ> aZero(new GeomAPI_XYZ(0, 0, 0));
 714   aCoords = aCoords->multiplied(-aD * aCoords->distance(aZero));
 715   std::shared_ptr<GeomAPI_Pnt> anOrigPnt(new GeomAPI_Pnt(aCoords));
 716   // X axis is preferable to be dirX on the sketch
 717   const double tol = Precision::Confusion();
 718   bool isX = fabs(fabs(anA) - 1.0) < tol && fabs(aB) < tol && fabs(aC) < tol;
 719   std::shared_ptr<GeomAPI_Dir> aTempDir(
 720       isX ? new GeomAPI_Dir(0, 1, 0) : new GeomAPI_Dir(1, 0, 0));
 721   std::shared_ptr<GeomAPI_Dir> aYDir(new GeomAPI_Dir(aNormDir->cross(aTempDir)));
 722   std::shared_ptr<GeomAPI_Dir> aXDir(new GeomAPI_Dir(aYDir->cross(aNormDir)));
 723
 724   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 725       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 726   anOrigin->setValue(anOrigPnt);
 727   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 728       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 729   aNormal->setValue(aNormDir);
 730   std::shared_ptr<GeomDataAPI_Dir> aDirX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 731       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 732   aDirX->setValue(aXDir);
 733   std::shared_ptr<GeomAPI_Dir> aDir = thePlane->direction();
 734   return aDir;
 735 }
 736
 737 void PartSet_WidgetSketchLabel::onSetPlaneView()
 738 {
 739   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 740   if (aPlane.get()) {
 741     std::shared_ptr<GeomAPI_Dir> aDirection = aPlane->direction();
 742     gp_Dir aDir = aDirection->impl<gp_Dir>();
 743     if (myViewInverted->isChecked())
 744       aDir.Reverse();
 745     myWorkshop->viewer()->setViewProjection(aDir.X(), aDir.Y(), aDir.Z(), 0.);
 746     PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 747     if (aModule)
 748       aModule->onViewTransformed();
 749   }
 750 }
 751
 752
 753 //******************************************************
 754 QList<std::shared_ptr<ModuleBase_ViewerPrs>> PartSet_WidgetSketchLabel::findCircularEdgesInPlane()
 755 {
 756   QList<std::shared_ptr<ModuleBase_ViewerPrs>> aResult;
 757   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 758   XGUI_Displayer* aDisplayer = aWorkshop->displayer();
 759   QObjectPtrList aDispObjects = aDisplayer->displayedObjects();
 760
 761   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 762   foreach(ObjectPtr aObj, aDispObjects) {
 763     ResultPtr aResObj = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
 764     if (aResObj.get()) {
 765       GeomShapePtr aShape = aResObj->shape();
 766       if (aShape.get()) {
 767         GeomAPI_ShapeExplorer aExplorer(aShape, GeomAPI_Shape::EDGE);
 768         for(; aExplorer.more(); aExplorer.next()) {
 769           GeomShapePtr aEdgeShape = aExplorer.current();
 770           GeomAPI_Edge anEdge(aEdgeShape);
 771           if ((anEdge.isCircle() || anEdge.isArc() || anEdge.isEllipse()) &&
 772                anEdge.isInPlane(aPlane)) {
 773             bool isContains = false;
 774             // Check that edge is not used.
 775             // It is possible that the same edge will be taken from different faces
 776             foreach(std::shared_ptr<ModuleBase_ViewerPrs> aPrs, aResult) {
 777               GeomAPI_Edge aUsedEdge(aPrs->shape());
 778               if (aUsedEdge.isEqual(aEdgeShape)) {
 779                 isContains = true;
 780                 break;
 781               }
 782             }
 783             if (!isContains) {
 784               std::shared_ptr<ModuleBase_ViewerPrs>
 785                 aPrs(new ModuleBase_ViewerPrs(aResObj, aEdgeShape));
 786               aResult.append(aPrs);
 787             }
 788           }
 789         }
 790       }
 791     }
 792   }
 793   return aResult;
 794 }
 795
 796 //******************************************************
 797 void PartSet_WidgetSketchLabel::onChangePlane()
 798 {
 799   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 800   if (aModule) {
 801     mySizeOfViewWidget->setVisible(false);
 802     myRemoveExternal->setVisible(true);
 803     myStackWidget->setCurrentIndex(0);
 804
 805     bool aBodyIsVisualized = myPreviewPlanes->hasVisualizedBodies(myWorkshop);
 806
 807     if (!aBodyIsVisualized) {
 808       // We have to select a plane before any operation
 809       myPreviewPlanes->showPreviewPlanes(myWorkshop);
 810     }
 811
 812     CompositeFeaturePtr aSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 813     myTmpPlane = PartSet_Tools::sketchPlane(aSketch);
 814     PartSet_Tools::nullifySketchPlane(aSketch);
 815
 816     Handle(SelectMgr_Filter) aFilter = aModule->selectionFilter(SF_SketchPlaneFilter);
 817     if (!aFilter.IsNull()) {
 818       std::shared_ptr<GeomAPI_Pln> aPln;
 819       Handle(ModuleBase_ShapeInPlaneFilter)::DownCast(aFilter)->setPlane(aPln);
 820     }
 821     XGUI_Workshop* aWorkshop = aModule->getWorkshop();
 822
 823     aWorkshop->selectionActivate()->updateSelectionFilters();
 824     aWorkshop->selectionActivate()->updateSelectionModes();
 825
 826     SessionPtr aMgr = ModelAPI_Session::get();
 827     aMgr->startOperation("Change Sketch plane");
 828     myOpenTransaction = true;
 829     myWorkshop->viewer()->update();
 830   }
 831 }
 832
 833 void PartSet_WidgetSketchLabel::setShowPointsState(bool theState)
 834 {
 835   bool aBlock = myShowPoints->blockSignals(true);
 836   myShowPoints->setChecked(theState);
 837   myShowPoints->blockSignals(aBlock);
 838 }
 839
 840 bool PartSet_WidgetSketchLabel::restoreValueCustom()
 841 {
 842   if (myFeature.get()) {
 843     CompositeFeaturePtr aSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 844     if (aSketch.get() && (aSketch->numberOfSubs() > 0)) {
 845       AttributeStringPtr aDOFStr = aSketch->string("SolverDOF");
 846       if (aDOFStr.get()) {
 847         QString aVal(aDOFStr->value().c_str());
 848         if (aVal.contains('=')) {
 849           // to support old data
 850           aVal = aVal.right(aVal.length() - aVal.lastIndexOf('='));
 851         }
 852         int aDoF = aVal.toInt();
 853         if (aDoF == 0) {
 854           myDoFLabel->setText(tr("Sketch is fully fixed (DoF = 0)"));
 855           myShowDOFBtn->setEnabled(false);
 856         } else {
 857           myDoFLabel->setText(tr("DoF (degrees of freedom) = ") + aVal);
 858           myShowDOFBtn->setEnabled(true);
 859         }
 860       }
 861     }
 862     else {
 863       myDoFLabel->setText("");
 864       myShowDOFBtn->setEnabled(false);
 865     }
 866   }
 867   return true;
 868 }
 869
 870
 871 void PartSet_WidgetSketchLabel::onShowDOF()
 872 {
 873   CompositeFeaturePtr aCompFeature =
 874     std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 875   if (aCompFeature.get()) {
 876     static const Events_ID anEvent = Events_Loop::eventByName(EVENT_GET_DOF_OBJECTS);
 877     ModelAPI_EventCreator::get()->sendUpdated(aCompFeature, anEvent);
 878     Events_Loop::loop()->flush(anEvent);
 879
 880     // Transfer focus to the current viewport for correct processing of a key event
 881     QWidget* aViewPort = myWorkshop->viewer()->activeViewPort();
 882     if (aViewPort)
 883       aViewPort->setFocus();
 884   }
 885 }
 886
 887 bool PartSet_WidgetSketchLabel::eventFilter(QObject* theObj, QEvent* theEvent)
 888 {
 889   if (theObj == window()) {
 890     int aType = theEvent->type();
 891     if ((aType == QEvent::Hide) || (aType == QEvent::WindowDeactivate)) {
 892       if (myPartSetMessage->isVisible())
 893         myPartSetMessage->hide();
 894       if (mySizeMessage->isVisible())
 895         mySizeMessage->hide();
 896     }
 897     else if ((aType == QEvent::Show) || (aType == QEvent::WindowActivate))
 898       onShowPanel();
 899   }
 900   return ModuleBase_WidgetValidated::eventFilter(theObj, theEvent);
 901 }