src/PartSet/PartSet_WidgetSketchLabel.cpp

   1 // Copyright (C) 2014-2019  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   QVBoxLayout* aViewLayout = new QVBoxLayout(aViewBox);
 162
 163   myViewInverted = new QCheckBox(tr("Reversed"), aViewBox);
 164   aViewLayout->addWidget(myViewInverted);
 165
 166   QPushButton* aSetViewBtn =
 167     new QPushButton(QIcon(":icons/plane_view.png"), tr("Set plane view"), aViewBox);
 168   connect(aSetViewBtn, SIGNAL(clicked(bool)), this, SLOT(onSetPlaneView()));
 169   aViewLayout->addWidget(aSetViewBtn);
 170
 171   aLayout->addWidget(aViewBox);
 172
 173   QMap<PartSet_Tools::ConstraintVisibleState, QString> aStates;
 174   aStates[PartSet_Tools::Geometrical] = tr("Show geometrical constraints");
 175   aStates[PartSet_Tools::Dimensional] = tr("Show dimensional constraints");
 176   aStates[PartSet_Tools::Expressions] = tr("Show existing expressions");
 177
 178   QMap<PartSet_Tools::ConstraintVisibleState, QString>::const_iterator anIt = aStates.begin(),
 179                                                         aLast = aStates.end();
 180   for (; anIt != aLast; anIt++) {
 181     QCheckBox* aShowConstraints = new QCheckBox(anIt.value(), this);
 182     connect(aShowConstraints, SIGNAL(toggled(bool)), this, SLOT(onShowConstraint(bool)));
 183     aLayout->addWidget(aShowConstraints);
 184
 185     PartSet_Tools::ConstraintVisibleState aState = anIt.key();
 186     myShowConstraints[aState] = aShowConstraints;
 187
 188     if (toShowConstraints.contains(aState))
 189       aShowConstraints->setChecked(toShowConstraints[aState]);
 190   }
 191   myShowPoints = new QCheckBox(tr("Show free points"), this);
 192   connect(myShowPoints, SIGNAL(toggled(bool)), this, SIGNAL(showFreePoints(bool)));
 193   aLayout->addWidget(myShowPoints);
 194
 195   myAutoConstraints = new QCheckBox(tr("Automatic constraints"), this);
 196   myAutoConstraints->setToolTip(tr("Automatic vertical and horizontal constraints"));
 197   connect(myAutoConstraints, SIGNAL(toggled(bool)), this, SIGNAL(autoConstraints(bool)));
 198   aLayout->addWidget(myAutoConstraints);
 199
 200   QPushButton* aPlaneBtn = new QPushButton(tr("Change sketch plane"), aSecondWgt);
 201   connect(aPlaneBtn, SIGNAL(clicked(bool)), SLOT(onChangePlane()));
 202   aLayout->addWidget(aPlaneBtn);
 203
 204   aLayout->addSpacing(15);
 205
 206   myDoFLabel = new QLabel("", aSecondWgt);
 207   aLayout->addWidget(myDoFLabel);
 208
 209   myShowDOFBtn = new QPushButton(tr("Show remaining DoFs"), aSecondWgt);
 210   aLayout->addWidget(myShowDOFBtn);
 211   myShowDOFBtn->setEnabled(false);
 212   connect(myShowDOFBtn, SIGNAL(clicked(bool)), SLOT(onShowDOF()));
 213
 214   myStackWidget->addWidget(aSecondWgt);
 215   //setLayout(aLayout);
 216
 217   myPreviewPlanes = new PartSet_PreviewPlanes();
 218 }
 219
 220 PartSet_WidgetSketchLabel::~PartSet_WidgetSketchLabel()
 221 {
 222 }
 223
 224 bool PartSet_WidgetSketchLabel::setSelection(QList<ModuleBase_ViewerPrsPtr>& theValues,
 225                                              const bool theToValidate)
 226 {
 227   // do not use the given selection if the plane of the sketch has been already set.
 228   // If this check is absent, a selected plane in the viewer can be set in the sketch
 229   // even if the sketch is built on another plane.
 230   if (plane().get())
 231     return true;
 232
 233   ModuleBase_ViewerPrsPtr aPrs = theValues.first();
 234   bool aDone = setSelectionInternal(theValues, theToValidate);
 235   if (aDone)
 236     updateByPlaneSelected(aPrs);
 237   return aDone;
 238 }
 239
 240 QList<QWidget*> PartSet_WidgetSketchLabel::getControls() const
 241 {
 242   QList<QWidget*> aResult;
 243   aResult << myStackWidget;
 244   return aResult;
 245 }
 246
 247 bool PartSet_WidgetSketchLabel::processSelection()
 248 {
 249   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 250   if (aPlane.get())
 251     return false;
 252
 253   QList<ModuleBase_ViewerPrsPtr> aSelected = getFilteredSelected();
 254
 255   if (aSelected.empty())
 256     return false;
 257   ModuleBase_ViewerPrsPtr aPrs = aSelected.first();
 258   bool aDone = setSelectionInternal(aSelected, false);
 259   if (aDone) {
 260     updateByPlaneSelected(aPrs);
 261     updateObject(myFeature);
 262   }
 263
 264   return aDone;
 265 }
 266
 267 void PartSet_WidgetSketchLabel::onShowConstraint(bool theOn)
 268 {
 269   QCheckBox* aSenderCheckBox = qobject_cast<QCheckBox*>(sender());
 270
 271   QMap<PartSet_Tools::ConstraintVisibleState, QCheckBox*>::const_iterator
 272                           anIt = myShowConstraints.begin(), aLast = myShowConstraints.end();
 273
 274   PartSet_Tools::ConstraintVisibleState aState = PartSet_Tools::Geometrical;
 275   bool aFound = false;
 276   for (; anIt != aLast && !aFound; anIt++) {
 277     aFound = anIt.value() == aSenderCheckBox;
 278     if (aFound)
 279       aState = anIt.key();
 280   }
 281   if (aFound)
 282     emit showConstraintToggled(aState, theOn);
 283 }
 284
 285 void PartSet_WidgetSketchLabel::blockAttribute(const AttributePtr& theAttribute,
 286                                                const bool& theToBlock, bool& isFlushesActived,
 287                                                bool& isAttributeSetInitializedBlocked,
 288                                                bool& isAttributeSendUpdatedBlocked)
 289 {
 290   ModuleBase_WidgetValidated::blockAttribute(theAttribute, theToBlock, isFlushesActived,
 291                                              isAttributeSetInitializedBlocked,
 292                                              isAttributeSendUpdatedBlocked);
 293   // We do not restore the previous state of isAttributeSetInitializedBlocked for each of
 294   // attributes. It it is necessary, these states should be append to the method attributes
 295   // or stored in the widget
 296
 297   std::list<AttributePtr> anAttributes = myFeature->data()->attributes("");
 298   std::list<AttributePtr>::const_iterator anIt = anAttributes.begin(), aLast = anAttributes.end();
 299   QStringList aValues;
 300   for(; anIt != aLast; anIt++) {
 301     AttributePtr anAttribute = *anIt;
 302     if (theToBlock)
 303       anAttribute->blockSetInitialized(true);
 304     else
 305       anAttribute->blockSetInitialized(isAttributeSetInitializedBlocked);
 306   }
 307 }
 308
 309 bool PartSet_WidgetSketchLabel::setSelectionInternal(
 310                                           const QList<ModuleBase_ViewerPrsPtr>& theValues,
 311                                           const bool theToValidate)
 312 {
 313   bool aDone = false;
 314   if (theValues.empty()) {
 315     // In order to make reselection possible, set empty object and shape should be done
 316     setSelectionCustom(std::shared_ptr<ModuleBase_ViewerPrs>(
 317                               new ModuleBase_ViewerPrs(ObjectPtr(), GeomShapePtr(), NULL)));
 318     aDone = false;
 319   }
 320   else {
 321     // it removes the processed value from the parameters list
 322     ModuleBase_ViewerPrsPtr aValue = theValues.first();//.takeFirst();
 323     if (!theToValidate || isValidInFilters(aValue)) {
 324       myIsSelection = true;
 325       aDone = setSelectionCustom(aValue);
 326       myIsSelection = false;
 327     }
 328   }
 329
 330   return aDone;
 331 }
 332
 333 void PartSet_WidgetSketchLabel::updateByPlaneSelected(const ModuleBase_ViewerPrsPtr& thePrs)
 334 {
 335   // Nullify a temporary remembered plane
 336   if (myTmpPlane.get())
 337     myTmpPlane.reset();
 338
 339   GeomPlanePtr aPlane = plane();
 340   if (!aPlane.get())
 341     return;
 342
 343   myPartSetMessage->hide();
 344   mySizeMessage->hide();
 345
 346   // 1. hide main planes if they have been displayed and display sketch preview plane
 347   myPreviewPlanes->erasePreviewPlanes(myWorkshop);
 348
 349   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 350   if (aModule) {
 351     CompositeFeaturePtr aSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 352     bool isSetSizeOfView = false;
 353     double aSizeOfView = 0;
 354     QString aSizeOfViewStr = mySizeOfView->text();
 355     if (!aSizeOfViewStr.isEmpty()) {
 356       aSizeOfView = aSizeOfViewStr.toDouble(&isSetSizeOfView);
 357       if (isSetSizeOfView && aSizeOfView <= 0) {
 358         isSetSizeOfView = false;
 359       }
 360     }
 361     aModule->sketchMgr()->previewSketchPlane()->setSizeOfView(aSizeOfView, isSetSizeOfView);
 362     aModule->sketchMgr()->previewSketchPlane()->createSketchPlane(aSketch, myWorkshop);
 363   }
 364   // 2. if the planes were displayed, change the view projection
 365
 366   std::shared_ptr<GeomAPI_Dir> aDir = aPlane->direction();
 367   gp_XYZ aXYZ = aDir->impl<gp_Dir>().XYZ();
 368   double aTwist = 0.0;
 369
 370   // Rotate view if the sketcher plane is selected only from preview planes
 371   // Preview planes are created only if there is no any shape
 372   bool aRotate = Config_PropManager::boolean(SKETCH_TAB_NAME, "rotate_to_plane");
 373   if (aRotate) {
 374     myWorkshop->viewer()->setViewProjection(aXYZ.X(), aXYZ.Y(), aXYZ.Z(), aTwist);
 375   }
 376   QString aSizeOfViewStr = mySizeOfView->text();
 377   if (!aSizeOfViewStr.isEmpty()) {
 378     bool isOk;
 379     double aSizeOfView = aSizeOfViewStr.toDouble(&isOk);
 380     if (isOk && aSizeOfView > 0) {
 381       Handle(V3d_View) aView3d = myWorkshop->viewer()->activeView();
 382       if (!aView3d.IsNull()) {
 383         Bnd_Box aBndBox;
 384         double aHalfSize = aSizeOfView/2.0;
 385         aBndBox.Update(-aHalfSize, -aHalfSize, -aHalfSize, aHalfSize, aHalfSize, aHalfSize);
 386         aView3d->FitAll(aBndBox, 0.01, false);
 387       }
 388     }
 389   }
 390   if (myOpenTransaction) {
 391     SessionPtr aMgr = ModelAPI_Session::get();
 392     aMgr->finishOperation();
 393     myOpenTransaction = false;
 394   }
 395   // 3. Clear text in the label
 396   myStackWidget->setCurrentIndex(1);
 397   //myLabel->setText("");
 398   //myLabel->setToolTip("");
 399   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 400
 401   // 5. Clear selection mode and define sketching mode
 402   emit planeSelected(plane());
 403   // after the plane is selected in the sketch, the sketch selection should be activated
 404   // it can not be performed in the sketch label widget because, we don't need to switch off
 405   // the selection by any label deactivation, but need to switch it off by stop the sketch
 406   myWorkshop->selectionActivate()->updateSelectionFilters();
 407   myWorkshop->selectionActivate()->updateSelectionModes();
 408
 409   if (aModule)
 410     aModule->onViewTransformed();
 411
 412   // 6. Update sketcher actions
 413   XGUI_ActionsMgr* anActMgr = aWorkshop->actionsMgr();
 414
 415   myWorkshop->updateCommandStatus();
 416   aWorkshop->selector()->clearSelection();
 417   myWorkshop->viewer()->update();
 418
 419   myRemoveExternal->setVisible(false);
 420 }
 421
 422 std::shared_ptr<GeomAPI_Pln> PartSet_WidgetSketchLabel::plane() const
 423 {
 424   CompositeFeaturePtr aSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 425   return PartSet_Tools::sketchPlane(aSketch);
 426 }
 427
 428 bool PartSet_WidgetSketchLabel::focusTo()
 429 {
 430   ModuleBase_Tools::setFocus(myStackWidget, "PartSet_WidgetSketchLabel::focusTo()");
 431   return true;
 432 }
 433
 434 void PartSet_WidgetSketchLabel::enableFocusProcessing()
 435 {
 436   myStackWidget->installEventFilter(this);
 437 }
 438
 439 void PartSet_WidgetSketchLabel::storeAttributeValue(const AttributePtr& theAttribute)
 440 {
 441   ModuleBase_WidgetValidated::storeAttributeValue(theAttribute);
 442 }
 443
 444 void PartSet_WidgetSketchLabel::restoreAttributeValue(const AttributePtr& theAttribute,
 445                                                       const bool theValid)
 446 {
 447   ModuleBase_WidgetValidated::restoreAttributeValue(theAttribute, theValid);
 448
 449   // it is not necessary to save the previous plane value because the plane is chosen once
 450   DataPtr aData = feature()->data();
 451   AttributeSelectionPtr aSelAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 452     (aData->attribute(SketchPlugin_SketchEntity::EXTERNAL_ID()));
 453   if (aSelAttr) {
 454     ResultPtr anEmptyResult;
 455     GeomShapePtr anEmptyShape;
 456     aSelAttr->setValue(anEmptyResult, anEmptyShape);
 457   }
 458   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 459     aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 460   anOrigin->reset();
 461   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 462     aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 463   aNormal->reset();
 464   std::shared_ptr<GeomDataAPI_Dir> aDirX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 465     aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 466   aDirX->reset();
 467 }
 468
 469 bool PartSet_WidgetSketchLabel::setSelectionCustom(const ModuleBase_ViewerPrsPtr& thePrs)
 470 {
 471   if (myIsSelection && myRemoveExternal->isVisible()) {
 472     if (myRemoveExternal->isChecked()) {
 473       myFeature->customAction(SketchPlugin_Sketch::ACTION_REMOVE_EXTERNAL());
 474     }
 475   }
 476   return fillSketchPlaneBySelection(thePrs);
 477 }
 478
 479 bool PartSet_WidgetSketchLabel::canFillSketch(const ModuleBase_ViewerPrsPtr& thePrs)
 480 {
 481   bool aCanFillSketch = true;
 482   // avoid any selection on sketch object
 483   ObjectPtr anObject = thePrs->object();
 484   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
 485   if (aResult.get()) {
 486     FeaturePtr aFeature = ModelAPI_Feature::feature(aResult);
 487     if (aFeature->getKind() == SketchPlugin_Sketch::ID())
 488       aCanFillSketch = false;
 489   }
 490   // check plane or planar face of any non-sketch object
 491   if (aCanFillSketch) {
 492     std::shared_ptr<GeomAPI_Face> aGeomFace;
 493
 494     GeomShapePtr aGeomShape = thePrs->shape();
 495     if ((!aGeomShape.get() || aGeomShape->isNull()) && aResult.get()) {
 496       aGeomShape = aResult->shape();
 497     }
 498
 499     if (aGeomShape.get() && aGeomShape->shapeType() == GeomAPI_Shape::FACE) {
 500       std::shared_ptr<GeomAPI_Face> aGeomFace(new GeomAPI_Face(aGeomShape));
 501       aCanFillSketch = aGeomFace.get() && aGeomFace->isPlanar();
 502     }
 503     else
 504       aCanFillSketch = false;
 505   }
 506   return aCanFillSketch;
 507 }
 508
 509 bool PartSet_WidgetSketchLabel::fillSketchPlaneBySelection(const ModuleBase_ViewerPrsPtr& thePrs)
 510 {
 511   bool isOwnerSet = false;
 512
 513   const GeomShapePtr& aShape = thePrs->shape();
 514   std::shared_ptr<GeomAPI_Dir> aDir;
 515
 516   if (aShape.get() && !aShape->isNull()) {
 517     const TopoDS_Shape& aTDShape = aShape->impl<TopoDS_Shape>();
 518     aDir = setSketchPlane(aTDShape);
 519     isOwnerSet = aDir.get();
 520   }
 521   if (thePrs->object() && (feature() != thePrs->object())) {
 522     FeaturePtr aFeature = ModelAPI_Feature::feature(thePrs->object());
 523     DataPtr aData = feature()->data();
 524     AttributeSelectionPtr aSelAttr =
 525       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 526       (aData->attribute(SketchPlugin_SketchEntity::EXTERNAL_ID()));
 527     if (aSelAttr.get()) {
 528       ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(thePrs->object());
 529       if (aRes.get()) {
 530         GeomShapePtr aShapePtr;
 531         if (!aShape.get() || aShape->isNull()) {  // selection happens in the OCC viewer
 532           aShapePtr = ModelAPI_Tools::shape(aRes);
 533         }
 534         else { // selection happens in OB browser
 535           aShapePtr = aShape;
 536         }
 537         if (aShapePtr.get() && aShapePtr->isFace()) {
 538           const TopoDS_Shape& aTDShape = aShapePtr->impl<TopoDS_Shape>();
 539           setSketchPlane(aTDShape);
 540           aSelAttr->setValue(aRes, aShapePtr);
 541           isOwnerSet = true;
 542         }
 543       }
 544       else {
 545         aSelAttr->setValue(aFeature, GeomShapePtr());
 546         GeomShapePtr aShape = aSelAttr->value();
 547         if (!aShape.get() && aSelAttr->contextFeature().get() &&
 548           aSelAttr->contextFeature()->firstResult().get()) {
 549           aShape = aSelAttr->contextFeature()->firstResult()->shape();
 550         }
 551         if (aShape.get() && aShape->isPlanar()) {
 552           const TopoDS_Shape& aTDShape = aShape->impl<TopoDS_Shape>();
 553           setSketchPlane(aTDShape);
 554           isOwnerSet = true;
 555         }
 556       }
 557     }
 558   }
 559   return isOwnerSet;
 560 }
 561
 562 void PartSet_WidgetSketchLabel::activateCustom()
 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::onShowPanel()
 601 {
 602   //if (mySizeOfViewWidget->isVisible()) {
 603   if (myStackWidget->currentIndex() == 0) {
 604     DocumentPtr aDoc = feature()->document();
 605     DocumentPtr aModDoc = ModelAPI_Session::get()->moduleDocument();
 606     if (aModDoc == aDoc) {
 607       myPartSetMessage->move(mapToGlobal(geometry().bottomLeft()));
 608       myPartSetMessage->show();
 609     }
 610     if (mySizeOfViewWidget->isVisible()) {
 611       QPoint aPnt = mySizeOfView->mapToGlobal(mySizeOfView->geometry().center());
 612       mySizeMessage->move(aPnt);
 613       mySizeMessage->show();
 614     }
 615   }
 616 }
 617
 618 void PartSet_WidgetSketchLabel::deactivate()
 619 {
 620   if (myTmpPlane.get()) {
 621     setSketchPlane(myTmpPlane);
 622     myTmpPlane.reset();
 623   }
 624
 625   ModuleBase_WidgetValidated::deactivate();
 626   bool aHidePreview = myPreviewPlanes->isPreviewDisplayed();
 627   myPreviewPlanes->erasePreviewPlanes(myWorkshop);
 628
 629   if (aHidePreview)
 630     myWorkshop->viewer()->update();
 631
 632   if (myOpenTransaction) {
 633     SessionPtr aMgr = ModelAPI_Session::get();
 634     aMgr->finishOperation();
 635     myOpenTransaction = false;
 636   }
 637 }
 638
 639 void PartSet_WidgetSketchLabel::selectionModes(int& theModuleSelectionModes, QIntList& theModes)
 640 {
 641   theModuleSelectionModes = -1;
 642   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 643   if (!aPlane.get())
 644     theModes << TopAbs_FACE;
 645 }
 646
 647 void PartSet_WidgetSketchLabel::selectionFilters(QIntList& theModuleSelectionFilters,
 648                                                  SelectMgr_ListOfFilter& theSelectionFilters)
 649 {
 650   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 651   if (aPlane.get())
 652     return;
 653   return ModuleBase_WidgetValidated::selectionFilters(theModuleSelectionFilters,
 654                                                       theSelectionFilters);
 655 }
 656
 657 std::shared_ptr<GeomAPI_Dir>
 658   PartSet_WidgetSketchLabel::setSketchPlane(const TopoDS_Shape& theShape)
 659 {
 660   if (theShape.IsNull())
 661     return std::shared_ptr<GeomAPI_Dir>();
 662
 663   // get selected shape
 664   std::shared_ptr<GeomAPI_Shape> aGShape(new GeomAPI_Shape);
 665   aGShape->setImpl(new TopoDS_Shape(theShape));
 666
 667   // get plane parameters
 668   std::shared_ptr<GeomAPI_Face> aFace(new GeomAPI_Face(aGShape));
 669   std::shared_ptr<GeomAPI_Pln> aPlane = aFace->getPlane();
 670   if (!aPlane.get())
 671     return std::shared_ptr<GeomAPI_Dir>();
 672   return setSketchPlane(aPlane);
 673 }
 674
 675 std::shared_ptr<GeomAPI_Dir>
 676   PartSet_WidgetSketchLabel::setSketchPlane(std::shared_ptr<GeomAPI_Pln> thePlane)
 677 {
 678   // set plane parameters to feature
 679   std::shared_ptr<ModelAPI_Data> aData = feature()->data();
 680   double anA, aB, aC, aD;
 681   thePlane->coefficients(anA, aB, aC, aD);
 682
 683   // calculate attributes of the sketch
 684   std::shared_ptr<GeomAPI_Dir> aNormDir(new GeomAPI_Dir(anA, aB, aC));
 685   std::shared_ptr<GeomAPI_XYZ> aCoords = aNormDir->xyz();
 686   std::shared_ptr<GeomAPI_XYZ> aZero(new GeomAPI_XYZ(0, 0, 0));
 687   aCoords = aCoords->multiplied(-aD * aCoords->distance(aZero));
 688   std::shared_ptr<GeomAPI_Pnt> anOrigPnt(new GeomAPI_Pnt(aCoords));
 689   // X axis is preferable to be dirX on the sketch
 690   const double tol = Precision::Confusion();
 691   bool isX = fabs(fabs(anA) - 1.0) < tol && fabs(aB) < tol && fabs(aC) < tol;
 692   std::shared_ptr<GeomAPI_Dir> aTempDir(
 693       isX ? new GeomAPI_Dir(0, 1, 0) : new GeomAPI_Dir(1, 0, 0));
 694   std::shared_ptr<GeomAPI_Dir> aYDir(new GeomAPI_Dir(aNormDir->cross(aTempDir)));
 695   std::shared_ptr<GeomAPI_Dir> aXDir(new GeomAPI_Dir(aYDir->cross(aNormDir)));
 696
 697   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 698       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 699   anOrigin->setValue(anOrigPnt);
 700   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 701       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 702   aNormal->setValue(aNormDir);
 703   std::shared_ptr<GeomDataAPI_Dir> aDirX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 704       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 705   aDirX->setValue(aXDir);
 706   std::shared_ptr<GeomAPI_Dir> aDir = thePlane->direction();
 707   return aDir;
 708 }
 709
 710 void PartSet_WidgetSketchLabel::onSetPlaneView()
 711 {
 712   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 713   if (aPlane.get()) {
 714     std::shared_ptr<GeomAPI_Dir> aDirection = aPlane->direction();
 715     gp_Dir aDir = aDirection->impl<gp_Dir>();
 716     if (myViewInverted->isChecked())
 717       aDir.Reverse();
 718     myWorkshop->viewer()->setViewProjection(aDir.X(), aDir.Y(), aDir.Z(), 0.);
 719     PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 720     if (aModule)
 721       aModule->onViewTransformed();
 722   }
 723 }
 724
 725
 726 //******************************************************
 727 QList<std::shared_ptr<ModuleBase_ViewerPrs>> PartSet_WidgetSketchLabel::findCircularEdgesInPlane()
 728 {
 729   QList<std::shared_ptr<ModuleBase_ViewerPrs>> aResult;
 730   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 731   XGUI_Displayer* aDisplayer = aWorkshop->displayer();
 732   QObjectPtrList aDispObjects = aDisplayer->displayedObjects();
 733
 734   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 735   foreach(ObjectPtr aObj, aDispObjects) {
 736     ResultPtr aResObj = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
 737     if (aResObj.get()) {
 738       GeomShapePtr aShape = aResObj->shape();
 739       if (aShape.get()) {
 740         GeomAPI_ShapeExplorer aExplorer(aShape, GeomAPI_Shape::EDGE);
 741         for(; aExplorer.more(); aExplorer.next()) {
 742           GeomShapePtr aEdgeShape = aExplorer.current();
 743           GeomAPI_Edge anEdge(aEdgeShape);
 744           if ((anEdge.isCircle() || anEdge.isArc() || anEdge.isEllipse()) &&
 745                anEdge.isInPlane(aPlane)) {
 746             bool isContains = false;
 747             // Check that edge is not used.
 748             // It is possible that the same edge will be taken from different faces
 749             foreach(std::shared_ptr<ModuleBase_ViewerPrs> aPrs, aResult) {
 750               GeomAPI_Edge aUsedEdge(aPrs->shape());
 751               if (aUsedEdge.isEqual(aEdgeShape)) {
 752                 isContains = true;
 753                 break;
 754               }
 755             }
 756             if (!isContains) {
 757               std::shared_ptr<ModuleBase_ViewerPrs>
 758                 aPrs(new ModuleBase_ViewerPrs(aResObj, aEdgeShape));
 759               aResult.append(aPrs);
 760             }
 761           }
 762         }
 763       }
 764     }
 765   }
 766   return aResult;
 767 }
 768
 769 //******************************************************
 770 void PartSet_WidgetSketchLabel::onChangePlane()
 771 {
 772   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 773   if (aModule) {
 774     mySizeOfViewWidget->setVisible(false);
 775     myRemoveExternal->setVisible(true);
 776     myStackWidget->setCurrentIndex(0);
 777
 778     bool aBodyIsVisualized = myPreviewPlanes->hasVisualizedBodies(myWorkshop);
 779
 780     if (!aBodyIsVisualized) {
 781       // We have to select a plane before any operation
 782       myPreviewPlanes->showPreviewPlanes(myWorkshop);
 783     }
 784
 785     CompositeFeaturePtr aSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 786     myTmpPlane = PartSet_Tools::sketchPlane(aSketch);
 787     PartSet_Tools::nullifySketchPlane(aSketch);
 788
 789     Handle(SelectMgr_Filter) aFilter = aModule->selectionFilter(SF_SketchPlaneFilter);
 790     if (!aFilter.IsNull()) {
 791       std::shared_ptr<GeomAPI_Pln> aPln;
 792       Handle(ModuleBase_ShapeInPlaneFilter)::DownCast(aFilter)->setPlane(aPln);
 793     }
 794     XGUI_Workshop* aWorkshop = aModule->getWorkshop();
 795
 796     aWorkshop->selectionActivate()->updateSelectionFilters();
 797     aWorkshop->selectionActivate()->updateSelectionModes();
 798
 799     SessionPtr aMgr = ModelAPI_Session::get();
 800     aMgr->startOperation("Change Sketch plane");
 801     myOpenTransaction = true;
 802     myWorkshop->viewer()->update();
 803   }
 804 }
 805
 806 void PartSet_WidgetSketchLabel::setShowPointsState(bool theState)
 807 {
 808   bool aBlock = myShowPoints->blockSignals(true);
 809   myShowPoints->setChecked(theState);
 810   myShowPoints->blockSignals(aBlock);
 811 }
 812
 813 bool PartSet_WidgetSketchLabel::restoreValueCustom()
 814 {
 815   if (myFeature.get()) {
 816     CompositeFeaturePtr aSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 817     if (aSketch.get() && (aSketch->numberOfSubs() > 0)) {
 818       AttributeStringPtr aDOFStr = aSketch->string("SolverDOF");
 819       if (aDOFStr.get()) {
 820         QString aVal(aDOFStr->value().c_str());
 821         if (aVal.contains('=')) {
 822           // to support old data
 823           aVal = aVal.right(aVal.length() - aVal.lastIndexOf('='));
 824         }
 825         int aDoF = aVal.toInt();
 826         if (aDoF == 0) {
 827           myDoFLabel->setText(tr("Sketch is fully fixed (DoF = 0)"));
 828           myShowDOFBtn->setEnabled(false);
 829         } else {
 830           myDoFLabel->setText(tr("DoF (degrees of freedom) = ") + aVal);
 831           myShowDOFBtn->setEnabled(true);
 832         }
 833       }
 834     }
 835     else {
 836       myDoFLabel->setText("");
 837       myShowDOFBtn->setEnabled(false);
 838     }
 839   }
 840   return true;
 841 }
 842
 843
 844 void PartSet_WidgetSketchLabel::onShowDOF()
 845 {
 846   CompositeFeaturePtr aCompFeature =
 847     std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 848   if (aCompFeature.get()) {
 849     static const Events_ID anEvent = Events_Loop::eventByName(EVENT_GET_DOF_OBJECTS);
 850     ModelAPI_EventCreator::get()->sendUpdated(aCompFeature, anEvent);
 851     Events_Loop::loop()->flush(anEvent);
 852   }
 853 }