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
  43 #include <ModuleBase_Operation.h>
  44 #include <ModuleBase_ViewerPrs.h>
  45 #include <ModuleBase_Tools.h>
  46 #include <ModuleBase_IModule.h>
  47 #include <ModuleBase_IPropertyPanel.h>
  48
  49 #include <GeomAlgoAPI_FaceBuilder.h>
  50 #include <GeomAlgoAPI_ShapeTools.h>
  51 #include <GeomDataAPI_Point.h>
  52 #include <GeomDataAPI_Dir.h>
  53 #include <GeomAPI_XYZ.h>
  54 #include <GeomAPI_Face.h>
  55 #include <GeomAPI_Edge.h>
  56 #include <GeomAPI_ShapeExplorer.h>
  57
  58 #include <SketchPlugin_Sketch.h>
  59 #include <SketcherPrs_Tools.h>
  60
  61 #include <Precision.hxx>
  62 #include <gp_Pln.hxx>
  63 #include <gp_Pnt.hxx>
  64 #include <gp_Dir.hxx>
  65 #include <AIS_Shape.hxx>
  66 #include <AIS_DimensionSelectionMode.hxx>
  67 #include <Bnd_Box.hxx>
  68
  69 #include <Config_WidgetAPI.h>
  70 #include <Config_PropManager.h>
  71
  72 #include <QLabel>
  73 #include <QApplication>
  74 #include <QVBoxLayout>
  75 #include <QHBoxLayout>
  76 #include <QCheckBox>
  77 #include <QGroupBox>
  78 #include <QPushButton>
  79 #include <QLineEdit>
  80 #include <QDoubleValidator>
  81 #include <QDialog>
  82 #include <QTimer>
  83
  84 #ifndef DBL_MAX
  85 #define DBL_MAX 1.7976931348623158e+308
  86 #endif
  87
  88 PartSet_WidgetSketchLabel::PartSet_WidgetSketchLabel(QWidget* theParent,
  89                         ModuleBase_IWorkshop* theWorkshop,
  90                         const Config_WidgetAPI* theData,
  91                         const QMap<PartSet_Tools::ConstraintVisibleState, bool>& toShowConstraints)
  92 : ModuleBase_WidgetValidated(theParent, theWorkshop, theData), myOpenTransaction(false),
  93 myIsSelection(false)
  94 {
  95   QVBoxLayout* aLayout = new QVBoxLayout(this);
  96   ModuleBase_Tools::zeroMargins(aLayout);
  97
  98   myStackWidget = new QStackedWidget(this);
  99   myStackWidget->setContentsMargins(0,0,0,0);
 100   aLayout->addWidget(myStackWidget);
 101
 102   // Define label for plane selection
 103   QWidget* aFirstWgt = new QWidget(this);
 104
 105   // Size of the View control
 106   mySizeOfViewWidget = new QWidget(aFirstWgt);
 107   QHBoxLayout* aSizeLayout = new QHBoxLayout(mySizeOfViewWidget);
 108   aSizeLayout->addWidget(new QLabel(tr("Size of the view"), mySizeOfViewWidget));
 109   mySizeOfView = new QLineEdit(mySizeOfViewWidget);
 110
 111   QDoubleValidator* aValidator = new QDoubleValidator(0, DBL_MAX, 12, mySizeOfView);
 112   aValidator->setLocale(ModuleBase_Tools::doubleLocale());
 113   aValidator->setNotation(QDoubleValidator::StandardNotation);
 114   mySizeOfView->setValidator(aValidator);
 115   aSizeLayout->addWidget(mySizeOfView);
 116
 117   myPartSetMessage = new QDialog(this, Qt::ToolTip);
 118   myPartSetMessage->setModal(false);
 119   myPartSetMessage->setStyleSheet("background-color:lightyellow;");
 120   QVBoxLayout* aMsgLay = new QVBoxLayout(myPartSetMessage);
 121   QString aMsg = tr("The Sketch is created in PartSet.\n"
 122     "It will be necessary to create a Part in order to use this sketch for body creation");
 123   aMsgLay->addWidget(new QLabel(aMsg, myPartSetMessage));
 124   myPartSetMessage->hide();
 125
 126   mySizeMessage = new QDialog(mySizeOfView, Qt::ToolTip);
 127   mySizeMessage->setModal(false);
 128   mySizeMessage->setStyleSheet("background-color:lightyellow;");
 129   aMsgLay = new QVBoxLayout(mySizeMessage);
 130   aMsg = tr("A size of Sketch view can be defined here.");
 131   aMsgLay->addWidget(new QLabel(aMsg, mySizeMessage));
 132   mySizeMessage->hide();
 133
 134   QString aText = translate(theData->getProperty("title"));
 135   QLabel* aLabel = new QLabel(aText, aFirstWgt);
 136   aLabel->setWordWrap(true);
 137   QString aTooltip = translate(theData->getProperty("tooltip"));
 138   aLabel->setToolTip(aTooltip);
 139   aLabel->setIndent(5);
 140
 141   aLayout = new QVBoxLayout(aFirstWgt);
 142   ModuleBase_Tools::zeroMargins(aLayout);
 143   aLayout->addWidget(mySizeOfViewWidget);
 144   aLayout->addWidget(aLabel);
 145
 146   myRemoveExternal = new QCheckBox(tr("Remove external dependencies"), aFirstWgt);
 147   myRemoveExternal->setChecked(false);
 148   aLayout->addWidget(myRemoveExternal);
 149   myRemoveExternal->setVisible(false);
 150
 151   aLayout->addStretch(1);
 152
 153   myStackWidget->addWidget(aFirstWgt);
 154
 155   // Define widget for sketch manmagement
 156   QWidget* aSecondWgt = new QWidget(this);
 157   aLayout = new QVBoxLayout(aSecondWgt);
 158   ModuleBase_Tools::zeroMargins(aLayout);
 159
 160   QGroupBox* aViewBox = new QGroupBox(tr("Sketcher plane"), this);
 161   QGridLayout* aViewLayout = new QGridLayout(aViewBox);
 162
 163   myViewInverted = new QCheckBox(tr("Reversed"), aViewBox);
 164   aViewLayout->addWidget(myViewInverted, 0, 0);
 165
 166   myViewVisible = new QCheckBox(tr("Visible"), aViewBox);
 167   myViewVisible->setChecked(true);
 168   aViewLayout->addWidget(myViewVisible, 0, 1, Qt::AlignRight);
 169   connect(myViewVisible, SIGNAL(toggled(bool)), this, SLOT(onShowViewPlane(bool)));
 170
 171   QPushButton* aSetViewBtn =
 172     new QPushButton(QIcon(":icons/plane_view.png"), tr("Set plane view"), aViewBox);
 173   connect(aSetViewBtn, SIGNAL(clicked(bool)), this, SLOT(onSetPlaneView()));
 174   aViewLayout->addWidget(aSetViewBtn, 1, 0, 1, 2);
 175
 176   aLayout->addWidget(aViewBox);
 177
 178   QMap<PartSet_Tools::ConstraintVisibleState, QString> aStates;
 179   aStates[PartSet_Tools::Geometrical] = tr("Show geometrical constraints");
 180   aStates[PartSet_Tools::Dimensional] = tr("Show dimensional constraints");
 181   aStates[PartSet_Tools::Expressions] = tr("Show existing expressions");
 182
 183   QMap<PartSet_Tools::ConstraintVisibleState, QString>::const_iterator anIt = aStates.begin(),
 184                                                         aLast = aStates.end();
 185   for (; anIt != aLast; anIt++) {
 186     QCheckBox* aShowConstraints = new QCheckBox(anIt.value(), this);
 187     connect(aShowConstraints, SIGNAL(toggled(bool)), this, SLOT(onShowConstraint(bool)));
 188     aLayout->addWidget(aShowConstraints);
 189
 190     PartSet_Tools::ConstraintVisibleState aState = anIt.key();
 191     myShowConstraints[aState] = aShowConstraints;
 192
 193     if (toShowConstraints.contains(aState))
 194       aShowConstraints->setChecked(toShowConstraints[aState]);
 195   }
 196   myShowPoints = new QCheckBox(tr("Show free points"), this);
 197   connect(myShowPoints, SIGNAL(toggled(bool)), this, SIGNAL(showFreePoints(bool)));
 198   aLayout->addWidget(myShowPoints);
 199
 200   myAutoConstraints = new QCheckBox(tr("Automatic constraints"), this);
 201   myAutoConstraints->setToolTip(tr("Automatic vertical and horizontal constraints"));
 202   connect(myAutoConstraints, SIGNAL(toggled(bool)), this, SIGNAL(autoConstraints(bool)));
 203   aLayout->addWidget(myAutoConstraints);
 204
 205   QPushButton* aPlaneBtn = new QPushButton(tr("Change sketch plane"), aSecondWgt);
 206   connect(aPlaneBtn, SIGNAL(clicked(bool)), SLOT(onChangePlane()));
 207   aLayout->addWidget(aPlaneBtn);
 208
 209   aLayout->addSpacing(15);
 210
 211   myDoFLabel = new QLabel("", aSecondWgt);
 212   aLayout->addWidget(myDoFLabel);
 213
 214   myShowDOFBtn = new QPushButton(tr("Show remaining DoFs"), aSecondWgt);
 215   aLayout->addWidget(myShowDOFBtn);
 216   myShowDOFBtn->setEnabled(false);
 217   connect(myShowDOFBtn, SIGNAL(clicked(bool)), SLOT(onShowDOF()));
 218
 219   myStackWidget->addWidget(aSecondWgt);
 220   //setLayout(aLayout);
 221
 222   myPreviewPlanes = new PartSet_PreviewPlanes();
 223 }
 224
 225 PartSet_WidgetSketchLabel::~PartSet_WidgetSketchLabel()
 226 {
 227 }
 228
 229 bool PartSet_WidgetSketchLabel::setSelection(QList<ModuleBase_ViewerPrsPtr>& theValues,
 230                                              const bool theToValidate)
 231 {
 232   // do not use the given selection if the plane of the sketch has been already set.
 233   // If this check is absent, a selected plane in the viewer can be set in the sketch
 234   // even if the sketch is built on another plane.
 235   if (plane().get())
 236     return true;
 237
 238   ModuleBase_ViewerPrsPtr aPrs = theValues.first();
 239   bool aDone = setSelectionInternal(theValues, theToValidate);
 240   if (aDone)
 241     updateByPlaneSelected(aPrs);
 242   return aDone;
 243 }
 244
 245 QList<QWidget*> PartSet_WidgetSketchLabel::getControls() const
 246 {
 247   QList<QWidget*> aResult;
 248   aResult << myStackWidget;
 249   return aResult;
 250 }
 251
 252 bool PartSet_WidgetSketchLabel::processSelection()
 253 {
 254   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 255   if (aPlane.get())
 256     return false;
 257
 258   QList<ModuleBase_ViewerPrsPtr> aSelected = getFilteredSelected();
 259
 260   if (aSelected.empty())
 261     return false;
 262   ModuleBase_ViewerPrsPtr aPrs = aSelected.first();
 263   bool aDone = setSelectionInternal(aSelected, false);
 264   if (aDone) {
 265     updateByPlaneSelected(aPrs);
 266     updateObject(myFeature);
 267   }
 268
 269   return aDone;
 270 }
 271
 272 void PartSet_WidgetSketchLabel::onShowConstraint(bool theOn)
 273 {
 274   QCheckBox* aSenderCheckBox = qobject_cast<QCheckBox*>(sender());
 275
 276   QMap<PartSet_Tools::ConstraintVisibleState, QCheckBox*>::const_iterator
 277                           anIt = myShowConstraints.begin(), aLast = myShowConstraints.end();
 278
 279   PartSet_Tools::ConstraintVisibleState aState = PartSet_Tools::Geometrical;
 280   bool aFound = false;
 281   for (; anIt != aLast && !aFound; anIt++) {
 282     aFound = anIt.value() == aSenderCheckBox;
 283     if (aFound)
 284       aState = anIt.key();
 285   }
 286   if (aFound)
 287     emit showConstraintToggled(aState, theOn);
 288 }
 289
 290 void PartSet_WidgetSketchLabel::blockAttribute(const AttributePtr& theAttribute,
 291                                                const bool& theToBlock, bool& isFlushesActived,
 292                                                bool& isAttributeSetInitializedBlocked,
 293                                                bool& isAttributeSendUpdatedBlocked)
 294 {
 295   ModuleBase_WidgetValidated::blockAttribute(theAttribute, theToBlock, isFlushesActived,
 296                                              isAttributeSetInitializedBlocked,
 297                                              isAttributeSendUpdatedBlocked);
 298   // We do not restore the previous state of isAttributeSetInitializedBlocked for each of
 299   // attributes. It it is necessary, these states should be append to the method attributes
 300   // or stored in the widget
 301
 302   std::list<AttributePtr> anAttributes = myFeature->data()->attributes("");
 303   std::list<AttributePtr>::const_iterator anIt = anAttributes.begin(), aLast = anAttributes.end();
 304   QStringList aValues;
 305   for(; anIt != aLast; anIt++) {
 306     AttributePtr anAttribute = *anIt;
 307     if (theToBlock)
 308       anAttribute->blockSetInitialized(true);
 309     else
 310       anAttribute->blockSetInitialized(isAttributeSetInitializedBlocked);
 311   }
 312 }
 313
 314 bool PartSet_WidgetSketchLabel::setSelectionInternal(
 315                                           const QList<ModuleBase_ViewerPrsPtr>& theValues,
 316                                           const bool theToValidate)
 317 {
 318   bool aDone = false;
 319   if (theValues.empty()) {
 320     // In order to make reselection possible, set empty object and shape should be done
 321     setSelectionCustom(ModuleBase_ViewerPrsPtr(
 322                               new ModuleBase_ViewerPrs(ObjectPtr(), GeomShapePtr(), NULL)));
 323     aDone = false;
 324   }
 325   else {
 326     // it removes the processed value from the parameters list
 327     ModuleBase_ViewerPrsPtr aValue = theValues.first();//.takeFirst();
 328     if (!theToValidate || isValidInFilters(aValue)) {
 329       myIsSelection = true;
 330       aDone = setSelectionCustom(aValue);
 331       myIsSelection = false;
 332     }
 333   }
 334
 335   return aDone;
 336 }
 337
 338 void PartSet_WidgetSketchLabel::updateByPlaneSelected(const ModuleBase_ViewerPrsPtr& thePrs)
 339 {
 340   // Nullify a temporary remembered plane
 341   if (myTmpPlane.get())
 342     myTmpPlane.reset();
 343
 344   GeomPlanePtr aPlane = plane();
 345   if (!aPlane.get())
 346     return;
 347
 348   myPartSetMessage->hide();
 349   mySizeMessage->hide();
 350
 351   // 1. hide main planes if they have been displayed and display sketch preview plane
 352   myPreviewPlanes->erasePreviewPlanes(myWorkshop);
 353
 354   QString aSizeOfViewStr = mySizeOfView->text();
 355   bool isSetSizeOfView = false;
 356   double aSizeOfView = 0;
 357   if (!aSizeOfViewStr.isEmpty()) {
 358     aSizeOfView = aSizeOfViewStr.toDouble(&isSetSizeOfView);
 359     if (isSetSizeOfView && aSizeOfView <= 0) {
 360       isSetSizeOfView = false;
 361     }
 362   }
 363   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 364   if (aModule) {
 365     CompositeFeaturePtr aSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 366     aModule->sketchMgr()->previewSketchPlane()->setSizeOfView(aSizeOfView, isSetSizeOfView);
 367     if (myViewVisible->isChecked())
 368       aModule->sketchMgr()->previewSketchPlane()->createSketchPlane(aSketch, myWorkshop);
 369   }
 370   // 2. if the planes were displayed, change the view projection
 371
 372   std::shared_ptr<GeomAPI_Dir> aDir = aPlane->direction();
 373   gp_XYZ aXYZ = aDir->impl<gp_Dir>().XYZ();
 374   double aTwist = 0.0;
 375
 376   // Rotate view if the sketcher plane is selected only from preview planes
 377   // Preview planes are created only if there is no any shape
 378   bool aRotate = Config_PropManager::boolean(SKETCH_TAB_NAME, "rotate_to_plane");
 379   if (aRotate) {
 380     myWorkshop->viewer()->setViewProjection(aXYZ.X(), aXYZ.Y(), aXYZ.Z(), aTwist);
 381   }
 382   if (isSetSizeOfView && aSizeOfView > 0) {
 383     Handle(V3d_View) aView3d = myWorkshop->viewer()->activeView();
 384     if (!aView3d.IsNull()) {
 385       Bnd_Box aBndBox;
 386       double aHalfSize = aSizeOfView/2.0;
 387       aBndBox.Update(-aHalfSize, -aHalfSize, -aHalfSize, aHalfSize, aHalfSize, aHalfSize);
 388       aView3d->FitAll(aBndBox, 0.01, false);
 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   const GeomShapePtr& aShape = thePrs->shape();
 510   std::shared_ptr<GeomAPI_Dir> aDir;
 511
 512   if (aShape.get() && !aShape->isNull()) {
 513     const TopoDS_Shape& aTDShape = aShape->impl<TopoDS_Shape>();
 514     aDir = setSketchPlane(aTDShape);
 515     isOwnerSet = aDir.get();
 516   }
 517   if (thePrs->object() && (feature() != thePrs->object())) {
 518     FeaturePtr aFeature = ModelAPI_Feature::feature(thePrs->object());
 519     DataPtr aData = feature()->data();
 520     AttributeSelectionPtr aSelAttr =
 521       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 522       (aData->attribute(SketchPlugin_SketchEntity::EXTERNAL_ID()));
 523     if (aSelAttr.get()) {
 524       ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(thePrs->object());
 525       if (aRes.get()) {
 526         GeomShapePtr aShapePtr;
 527         if (!aShape.get() || aShape->isNull()) {  // selection happens in the OCC viewer
 528           aShapePtr = ModelAPI_Tools::shape(aRes);
 529         }
 530         else { // selection happens in OB browser
 531           aShapePtr = aShape;
 532         }
 533         if (aShapePtr.get() && aShapePtr->isFace()) {
 534           const TopoDS_Shape& aTDShape = aShapePtr->impl<TopoDS_Shape>();
 535           setSketchPlane(aTDShape);
 536           aSelAttr->setValue(aRes, aShapePtr);
 537           isOwnerSet = true;
 538         }
 539       }
 540       else {
 541         aSelAttr->setValue(aFeature, GeomShapePtr());
 542         GeomShapePtr aSelShape = aSelAttr->value();
 543         if (!aSelShape.get() && aSelAttr->contextFeature().get() &&
 544           aSelAttr->contextFeature()->firstResult().get()) {
 545           aSelShape = aSelAttr->contextFeature()->firstResult()->shape();
 546         }
 547         if (aSelShape.get() && aSelShape->isPlanar()) {
 548           const TopoDS_Shape& aTDShape = aSelShape->impl<TopoDS_Shape>();
 549           setSketchPlane(aTDShape);
 550           isOwnerSet = true;
 551         }
 552       }
 553     }
 554   }
 555   return isOwnerSet;
 556 }
 557
 558 void PartSet_WidgetSketchLabel::activateCustom()
 559 {
 560   QWidget* aTopWidget = window();
 561   if (aTopWidget)
 562     aTopWidget->installEventFilter(this);
 563
 564   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 565   if (aModule) {
 566     bool isBlocked = myAutoConstraints->blockSignals(true);
 567     myAutoConstraints->setChecked(aModule->sketchReentranceMgr()->isAutoConstraints());
 568     myAutoConstraints->blockSignals(isBlocked);
 569   }
 570
 571   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 572   if (aPlane.get()) {
 573     myStackWidget->setCurrentIndex(1);
 574     return;
 575   }
 576
 577   myStackWidget->setCurrentIndex(0);
 578   bool aBodyIsVisualized = myPreviewPlanes->hasVisualizedBodies(myWorkshop);
 579
 580   // Clear previous selection mode It is necessary for correct activation of preview planes
 581   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 582   XGUI_Displayer* aDisp = aWorkshop->displayer();
 583   aWorkshop->selectionActivate()->activateObjects(QIntList(), aDisp->displayedObjects(), false);
 584
 585   if (!aBodyIsVisualized) {
 586     // We have to select a plane before any operation
 587     myPreviewPlanes->showPreviewPlanes(myWorkshop);
 588     mySizeOfViewWidget->setVisible(true);
 589   }
 590   else
 591     mySizeOfViewWidget->setVisible(false);
 592 }
 593
 594 void PartSet_WidgetSketchLabel::showEvent(QShowEvent* theEvent)
 595 {
 596   ModuleBase_WidgetValidated::showEvent(theEvent);
 597   QTimer::singleShot(10, this, SLOT(onShowPanel()));
 598 }
 599
 600 void PartSet_WidgetSketchLabel::hideEvent(QHideEvent* theEvent)
 601 {
 602   ModuleBase_WidgetValidated::hideEvent(theEvent);
 603   if (myPartSetMessage->isVisible())
 604     myPartSetMessage->hide();
 605   if (mySizeMessage->isVisible())
 606     mySizeMessage->hide();
 607 }
 608
 609
 610 void PartSet_WidgetSketchLabel::onShowPanel()
 611 {
 612   //if (mySizeOfViewWidget->isVisible()) {
 613   if (myStackWidget->currentIndex() == 0) {
 614     DocumentPtr aDoc = feature()->document();
 615     DocumentPtr aModDoc = ModelAPI_Session::get()->moduleDocument();
 616     if (aModDoc == aDoc) {
 617       myPartSetMessage->move(mapToGlobal(geometry().bottomLeft()));
 618       myPartSetMessage->show();
 619     }
 620     if (mySizeOfViewWidget->isVisible()) {
 621       QPoint aPnt = mySizeOfView->mapToGlobal(mySizeOfView->geometry().center());
 622       mySizeMessage->move(aPnt);
 623       mySizeMessage->show();
 624     }
 625   }
 626 }
 627
 628 void PartSet_WidgetSketchLabel::deactivate()
 629 {
 630   QWidget* aTopWidget = window();
 631   if (aTopWidget)
 632     aTopWidget->removeEventFilter(this);
 633
 634   if (myTmpPlane.get()) {
 635     setSketchPlane(myTmpPlane);
 636     myTmpPlane.reset();
 637   }
 638
 639   ModuleBase_WidgetValidated::deactivate();
 640   bool aHidePreview = myPreviewPlanes->isPreviewDisplayed();
 641   myPreviewPlanes->erasePreviewPlanes(myWorkshop);
 642
 643   if (aHidePreview)
 644     myWorkshop->viewer()->update();
 645
 646   if (myOpenTransaction) {
 647     SessionPtr aMgr = ModelAPI_Session::get();
 648     aMgr->finishOperation();
 649     myOpenTransaction = false;
 650   }
 651 }
 652
 653 void PartSet_WidgetSketchLabel::selectionModes(int& theModuleSelectionModes, QIntList& theModes)
 654 {
 655   theModuleSelectionModes = -1;
 656   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 657   if (!aPlane.get())
 658     theModes << TopAbs_FACE;
 659 }
 660
 661 void PartSet_WidgetSketchLabel::selectionFilters(QIntList& theModuleSelectionFilters,
 662                                                  SelectMgr_ListOfFilter& theSelectionFilters)
 663 {
 664   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 665   if (aPlane.get())
 666     return;
 667   return ModuleBase_WidgetValidated::selectionFilters(theModuleSelectionFilters,
 668                                                       theSelectionFilters);
 669 }
 670
 671 std::shared_ptr<GeomAPI_Dir>
 672   PartSet_WidgetSketchLabel::setSketchPlane(const TopoDS_Shape& theShape)
 673 {
 674   if (theShape.IsNull())
 675     return std::shared_ptr<GeomAPI_Dir>();
 676
 677   // get selected shape
 678   std::shared_ptr<GeomAPI_Shape> aGShape(new GeomAPI_Shape);
 679   aGShape->setImpl(new TopoDS_Shape(theShape));
 680
 681   // get plane parameters
 682   std::shared_ptr<GeomAPI_Face> aFace(new GeomAPI_Face(aGShape));
 683   std::shared_ptr<GeomAPI_Pln> aPlane = aFace->getPlane();
 684   if (!aPlane.get())
 685     return std::shared_ptr<GeomAPI_Dir>();
 686   return setSketchPlane(aPlane);
 687 }
 688
 689 std::shared_ptr<GeomAPI_Dir>
 690   PartSet_WidgetSketchLabel::setSketchPlane(std::shared_ptr<GeomAPI_Pln> thePlane)
 691 {
 692   // set plane parameters to feature
 693   std::shared_ptr<ModelAPI_Data> aData = feature()->data();
 694   double anA, aB, aC, aD;
 695   thePlane->coefficients(anA, aB, aC, aD);
 696
 697   // calculate attributes of the sketch
 698   std::shared_ptr<GeomAPI_Dir> aNormDir(new GeomAPI_Dir(anA, aB, aC));
 699   std::shared_ptr<GeomAPI_XYZ> aCoords = aNormDir->xyz();
 700   std::shared_ptr<GeomAPI_XYZ> aZero(new GeomAPI_XYZ(0, 0, 0));
 701   aCoords = aCoords->multiplied(-aD * aCoords->distance(aZero));
 702   std::shared_ptr<GeomAPI_Pnt> anOrigPnt(new GeomAPI_Pnt(aCoords));
 703   // X axis is preferable to be dirX on the sketch
 704   const double tol = Precision::Confusion();
 705   bool isX = fabs(fabs(anA) - 1.0) < tol && fabs(aB) < tol && fabs(aC) < tol;
 706   std::shared_ptr<GeomAPI_Dir> aTempDir(
 707       isX ? new GeomAPI_Dir(0, 1, 0) : new GeomAPI_Dir(1, 0, 0));
 708   std::shared_ptr<GeomAPI_Dir> aYDir(new GeomAPI_Dir(aNormDir->cross(aTempDir)));
 709   std::shared_ptr<GeomAPI_Dir> aXDir(new GeomAPI_Dir(aYDir->cross(aNormDir)));
 710
 711   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 712       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 713   anOrigin->setValue(anOrigPnt);
 714   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 715       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 716   aNormal->setValue(aNormDir);
 717   std::shared_ptr<GeomDataAPI_Dir> aDirX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 718       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 719   aDirX->setValue(aXDir);
 720   std::shared_ptr<GeomAPI_Dir> aDir = thePlane->direction();
 721   return aDir;
 722 }
 723
 724 void PartSet_WidgetSketchLabel::onSetPlaneView()
 725 {
 726   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 727   if (aPlane.get()) {
 728     std::shared_ptr<GeomAPI_Dir> aDirection = aPlane->direction();
 729     gp_Dir aDir = aDirection->impl<gp_Dir>();
 730     if (myViewInverted->isChecked())
 731       aDir.Reverse();
 732     myWorkshop->viewer()->setViewProjection(aDir.X(), aDir.Y(), aDir.Z(), 0.);
 733     PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 734     if (aModule)
 735       aModule->onViewTransformed();
 736   }
 737 }
 738
 739
 740 //******************************************************
 741 QList<ModuleBase_ViewerPrsPtr> PartSet_WidgetSketchLabel::findCircularEdgesInPlane()
 742 {
 743   QList<std::shared_ptr<ModuleBase_ViewerPrs>> aResult;
 744   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 745   XGUI_Displayer* aDisplayer = aWorkshop->displayer();
 746   QObjectPtrList aDispObjects = aDisplayer->displayedObjects();
 747
 748   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 749   foreach(ObjectPtr aObj, aDispObjects) {
 750     ResultPtr aResObj = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
 751     if (aResObj.get()) {
 752       GeomShapePtr aShape = aResObj->shape();
 753       if (aShape.get()) {
 754         GeomAPI_ShapeExplorer aExplorer(aShape, GeomAPI_Shape::EDGE);
 755         for(; aExplorer.more(); aExplorer.next()) {
 756           GeomShapePtr aEdgeShape = aExplorer.current();
 757           GeomAPI_Edge anEdge(aEdgeShape);
 758           if ((anEdge.isCircle() || anEdge.isArc() || anEdge.isEllipse()) &&
 759                anEdge.isInPlane(aPlane)) {
 760             bool isContains = false;
 761             // Check that edge is not used.
 762             // It is possible that the same edge will be taken from different faces
 763             foreach(ModuleBase_ViewerPrsPtr aPrs, aResult) {
 764               GeomAPI_Edge aUsedEdge(aPrs->shape());
 765               if (aUsedEdge.isEqual(aEdgeShape)) {
 766                 isContains = true;
 767                 break;
 768               }
 769             }
 770             if (!isContains) {
 771               ModuleBase_ViewerPrsPtr aPrs(new ModuleBase_ViewerPrs(aResObj, aEdgeShape));
 772               aResult.append(aPrs);
 773             }
 774           }
 775         }
 776       }
 777     }
 778   }
 779   return aResult;
 780 }
 781
 782 //******************************************************
 783 void PartSet_WidgetSketchLabel::onChangePlane()
 784 {
 785   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 786   if (aModule) {
 787     mySizeOfViewWidget->setVisible(false);
 788     myRemoveExternal->setVisible(true);
 789     myStackWidget->setCurrentIndex(0);
 790
 791     bool aBodyIsVisualized = myPreviewPlanes->hasVisualizedBodies(myWorkshop);
 792
 793     if (!aBodyIsVisualized) {
 794       // We have to select a plane before any operation
 795       myPreviewPlanes->showPreviewPlanes(myWorkshop);
 796     }
 797
 798     CompositeFeaturePtr aSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 799     myTmpPlane = PartSet_Tools::sketchPlane(aSketch);
 800     PartSet_Tools::nullifySketchPlane(aSketch);
 801
 802     Handle(SelectMgr_Filter) aFilter = aModule->selectionFilter(SF_SketchPlaneFilter);
 803     if (!aFilter.IsNull()) {
 804       std::shared_ptr<GeomAPI_Pln> aPln;
 805       Handle(ModuleBase_ShapeInPlaneFilter)::DownCast(aFilter)->setPlane(aPln);
 806     }
 807     XGUI_Workshop* aWorkshop = aModule->getWorkshop();
 808
 809     aWorkshop->selectionActivate()->updateSelectionFilters();
 810     aWorkshop->selectionActivate()->updateSelectionModes();
 811
 812     SessionPtr aMgr = ModelAPI_Session::get();
 813     aMgr->startOperation("Change Sketch plane");
 814     myOpenTransaction = true;
 815     myWorkshop->viewer()->update();
 816   }
 817 }
 818
 819 void PartSet_WidgetSketchLabel::setShowPointsState(bool theState)
 820 {
 821   bool aBlock = myShowPoints->blockSignals(true);
 822   myShowPoints->setChecked(theState);
 823   myShowPoints->blockSignals(aBlock);
 824 }
 825
 826 bool PartSet_WidgetSketchLabel::restoreValueCustom()
 827 {
 828   if (myFeature.get()) {
 829     CompositeFeaturePtr aSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 830     if (aSketch.get() && (aSketch->numberOfSubs() > 0)) {
 831       AttributeStringPtr aDOFStr = aSketch->string("SolverDOF");
 832       if (aDOFStr.get()) {
 833         QString aVal(aDOFStr->value().c_str());
 834         if (aVal.contains('=')) {
 835           // to support old data
 836           aVal = aVal.right(aVal.length() - aVal.lastIndexOf('='));
 837         }
 838         int aDoF = aVal.toInt();
 839         if (aDoF == 0) {
 840           myDoFLabel->setText(tr("Sketch is fully fixed (DoF = 0)"));
 841           myShowDOFBtn->setEnabled(false);
 842         } else {
 843           myDoFLabel->setText(tr("DoF (degrees of freedom) = ") + aVal);
 844           myShowDOFBtn->setEnabled(true);
 845         }
 846       }
 847     }
 848     else {
 849       myDoFLabel->setText("");
 850       myShowDOFBtn->setEnabled(false);
 851     }
 852   }
 853   return true;
 854 }
 855
 856
 857 void PartSet_WidgetSketchLabel::onShowDOF()
 858 {
 859   CompositeFeaturePtr aCompFeature =
 860     std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 861   if (aCompFeature.get()) {
 862     static const Events_ID anEvent = Events_Loop::eventByName(EVENT_GET_DOF_OBJECTS);
 863     ModelAPI_EventCreator::get()->sendUpdated(aCompFeature, anEvent);
 864     Events_Loop::loop()->flush(anEvent);
 865
 866     // Transfer focus to the current viewport for correct processing of a key event
 867     QWidget* aViewPort = myWorkshop->viewer()->activeViewPort();
 868     if (aViewPort)
 869       aViewPort->setFocus();
 870   }
 871 }
 872
 873 bool PartSet_WidgetSketchLabel::eventFilter(QObject* theObj, QEvent* theEvent)
 874 {
 875   if (theObj == window()) {
 876     int aType = theEvent->type();
 877     if ((aType == QEvent::Hide) || (aType == QEvent::WindowDeactivate)) {
 878       if (myPartSetMessage->isVisible())
 879         myPartSetMessage->hide();
 880       if (mySizeMessage->isVisible())
 881         mySizeMessage->hide();
 882     }
 883     else if ((aType == QEvent::Show) || (aType == QEvent::WindowActivate))
 884       onShowPanel();
 885   }
 886   return ModuleBase_WidgetValidated::eventFilter(theObj, theEvent);
 887 }
 888
 889 void PartSet_WidgetSketchLabel::onShowViewPlane(bool toShow)
 890 {
 891   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 892   PartSet_PreviewSketchPlane* aPreviewPlane = aModule->sketchMgr()->previewSketchPlane();
 893   if (toShow) {
 894     CompositeFeaturePtr aSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 895     if (aPreviewPlane->isPlaneCreated())
 896       aPreviewPlane->displaySketchPlane(myWorkshop);
 897     else
 898       aPreviewPlane->createSketchPlane(aSketch, myWorkshop);
 899   }
 900   else {
 901     aPreviewPlane->eraseSketchPlane(myWorkshop, false);
 902   }
 903   myWorkshop->viewer()->update();
 904 }