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 <Bnd_Box.hxx>
  67
  68 #include <Config_WidgetAPI.h>
  69 #include <Config_PropManager.h>
  70
  71 #include <QLabel>
  72 #include <QApplication>
  73 #include <QVBoxLayout>
  74 #include <QHBoxLayout>
  75 #include <QCheckBox>
  76 #include <QGroupBox>
  77 #include <QPushButton>
  78 #include <QLineEdit>
  79 #include <QDoubleValidator>
  80 #include <QDialog>
  81 #include <QTimer>
  82
  83 #ifndef DBL_MAX
  84 #define DBL_MAX 1.7976931348623158e+308
  85 #endif
  86
  87 PartSet_WidgetSketchLabel::PartSet_WidgetSketchLabel(QWidget* theParent,
  88                         ModuleBase_IWorkshop* theWorkshop,
  89                         const Config_WidgetAPI* theData,
  90                         const QMap<PartSet_Tools::ConstraintVisibleState, bool>& toShowConstraints)
  91 : ModuleBase_WidgetValidated(theParent, theWorkshop, theData), myOpenTransaction(false),
  92 myIsSelection(false)
  93 {
  94   QVBoxLayout* aLayout = new QVBoxLayout(this);
  95   ModuleBase_Tools::zeroMargins(aLayout);
  96
  97   myStackWidget = new QStackedWidget(this);
  98   myStackWidget->setContentsMargins(0,0,0,0);
  99   aLayout->addWidget(myStackWidget);
 100
 101   // Define label for plane selection
 102   QWidget* aFirstWgt = new QWidget(this);
 103
 104   // Size of the View control
 105   mySizeOfViewWidget = new QWidget(aFirstWgt);
 106   QHBoxLayout* aSizeLayout = new QHBoxLayout(mySizeOfViewWidget);
 107   aSizeLayout->addWidget(new QLabel(tr("Size of the view"), mySizeOfViewWidget));
 108   mySizeOfView = new QLineEdit(mySizeOfViewWidget);
 109
 110   QDoubleValidator* aValidator = new QDoubleValidator(0, DBL_MAX, 12, mySizeOfView);
 111   aValidator->setLocale(ModuleBase_Tools::doubleLocale());
 112   aValidator->setNotation(QDoubleValidator::StandardNotation);
 113   mySizeOfView->setValidator(aValidator);
 114   aSizeLayout->addWidget(mySizeOfView);
 115
 116   myPartSetMessage = new QDialog(this, Qt::ToolTip);
 117   myPartSetMessage->setModal(false);
 118   myPartSetMessage->setStyleSheet("background-color:lightyellow;");
 119   QVBoxLayout* aMsgLay = new QVBoxLayout(myPartSetMessage);
 120   QString aMsg = tr("The Sketch is created in PartSet.\n"
 121     "It will be necessary to create a Part in order to use this sketch for body creation");
 122   aMsgLay->addWidget(new QLabel(aMsg, myPartSetMessage));
 123   myPartSetMessage->hide();
 124
 125   mySizeMessage = new QDialog(mySizeOfView, Qt::ToolTip);
 126   mySizeMessage->setModal(false);
 127   mySizeMessage->setStyleSheet("background-color:lightyellow;");
 128   aMsgLay = new QVBoxLayout(mySizeMessage);
 129   aMsg = tr("A size of Sketch view can be defined here.");
 130   aMsgLay->addWidget(new QLabel(aMsg, mySizeMessage));
 131   mySizeMessage->hide();
 132
 133   QString aText = translate(theData->getProperty("title"));
 134   QLabel* aLabel = new QLabel(aText, aFirstWgt);
 135   aLabel->setWordWrap(true);
 136   QString aTooltip = translate(theData->getProperty("tooltip"));
 137   aLabel->setToolTip(aTooltip);
 138   aLabel->setIndent(5);
 139
 140   aLayout = new QVBoxLayout(aFirstWgt);
 141   ModuleBase_Tools::zeroMargins(aLayout);
 142   aLayout->addWidget(mySizeOfViewWidget);
 143   aLayout->addWidget(aLabel);
 144
 145   myRemoveExternal = new QCheckBox(tr("Remove external dependencies"), aFirstWgt);
 146   myRemoveExternal->setChecked(false);
 147   aLayout->addWidget(myRemoveExternal);
 148   myRemoveExternal->setVisible(false);
 149
 150   aLayout->addStretch(1);
 151
 152   myStackWidget->addWidget(aFirstWgt);
 153
 154   // Define widget for sketch manmagement
 155   QWidget* aSecondWgt = new QWidget(this);
 156   aLayout = new QVBoxLayout(aSecondWgt);
 157   ModuleBase_Tools::zeroMargins(aLayout);
 158
 159   QGroupBox* aViewBox = new QGroupBox(tr("Sketcher plane"), this);
 160   QGridLayout* aViewLayout = new QGridLayout(aViewBox);
 161
 162   myViewInverted = new QCheckBox(tr("Reversed"), aViewBox);
 163   aViewLayout->addWidget(myViewInverted, 0, 0);
 164
 165   myViewVisible = new QCheckBox(tr("Visible"), aViewBox);
 166   myViewVisible->setChecked(true);
 167   aViewLayout->addWidget(myViewVisible, 0, 1, Qt::AlignRight);
 168   connect(myViewVisible, SIGNAL(toggled(bool)), this, SLOT(onShowViewPlane(bool)));
 169
 170   QPushButton* aSetViewBtn =
 171     new QPushButton(QIcon(":icons/plane_view.png"), tr("Set plane view"), aViewBox);
 172   connect(aSetViewBtn, SIGNAL(clicked(bool)), this, SLOT(onSetPlaneView()));
 173   aViewLayout->addWidget(aSetViewBtn, 1, 0, 1, 2);
 174
 175   aLayout->addWidget(aViewBox);
 176
 177   QMap<PartSet_Tools::ConstraintVisibleState, QString> aStates;
 178   aStates[PartSet_Tools::Geometrical] = tr("Show geometrical constraints");
 179   aStates[PartSet_Tools::Dimensional] = tr("Show dimensional constraints");
 180   aStates[PartSet_Tools::Expressions] = tr("Show existing expressions");
 181
 182   QMap<PartSet_Tools::ConstraintVisibleState, QString>::const_iterator anIt = aStates.begin(),
 183                                                         aLast = aStates.end();
 184   for (; anIt != aLast; anIt++) {
 185     QCheckBox* aShowConstraints = new QCheckBox(anIt.value(), this);
 186     connect(aShowConstraints, SIGNAL(toggled(bool)), this, SLOT(onShowConstraint(bool)));
 187     aLayout->addWidget(aShowConstraints);
 188
 189     PartSet_Tools::ConstraintVisibleState aState = anIt.key();
 190     myShowConstraints[aState] = aShowConstraints;
 191
 192     if (toShowConstraints.contains(aState))
 193       aShowConstraints->setChecked(toShowConstraints[aState]);
 194   }
 195   myShowPoints = new QCheckBox(tr("Show free points"), this);
 196   connect(myShowPoints, SIGNAL(toggled(bool)), this, SIGNAL(showFreePoints(bool)));
 197   aLayout->addWidget(myShowPoints);
 198
 199   myAutoConstraints = new QCheckBox(tr("Automatic constraints"), this);
 200   myAutoConstraints->setToolTip(tr("Automatic vertical and horizontal constraints"));
 201   connect(myAutoConstraints, SIGNAL(toggled(bool)), this, SIGNAL(autoConstraints(bool)));
 202   aLayout->addWidget(myAutoConstraints);
 203
 204   QPushButton* aPlaneBtn = new QPushButton(tr("Change sketch plane"), aSecondWgt);
 205   connect(aPlaneBtn, SIGNAL(clicked(bool)), SLOT(onChangePlane()));
 206   aLayout->addWidget(aPlaneBtn);
 207
 208   aLayout->addSpacing(15);
 209
 210   myDoFLabel = new QLabel("", aSecondWgt);
 211   aLayout->addWidget(myDoFLabel);
 212
 213   myShowDOFBtn = new QPushButton(tr("Show remaining DoFs"), aSecondWgt);
 214   aLayout->addWidget(myShowDOFBtn);
 215   myShowDOFBtn->setEnabled(false);
 216   connect(myShowDOFBtn, SIGNAL(clicked(bool)), SLOT(onShowDOF()));
 217
 218   myStackWidget->addWidget(aSecondWgt);
 219   //setLayout(aLayout);
 220
 221   myPreviewPlanes = new PartSet_PreviewPlanes();
 222 }
 223
 224 PartSet_WidgetSketchLabel::~PartSet_WidgetSketchLabel()
 225 {
 226 }
 227
 228 bool PartSet_WidgetSketchLabel::setSelection(QList<ModuleBase_ViewerPrsPtr>& theValues,
 229                                              const bool theToValidate)
 230 {
 231   // do not use the given selection if the plane of the sketch has been already set.
 232   // If this check is absent, a selected plane in the viewer can be set in the sketch
 233   // even if the sketch is built on another plane.
 234   if (plane().get())
 235     return true;
 236
 237   ModuleBase_ViewerPrsPtr aPrs = theValues.first();
 238   bool aDone = setSelectionInternal(theValues, theToValidate);
 239   if (aDone)
 240     updateByPlaneSelected(aPrs);
 241   return aDone;
 242 }
 243
 244 QList<QWidget*> PartSet_WidgetSketchLabel::getControls() const
 245 {
 246   QList<QWidget*> aResult;
 247   aResult << myStackWidget;
 248   return aResult;
 249 }
 250
 251 bool PartSet_WidgetSketchLabel::processSelection()
 252 {
 253   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 254   if (aPlane.get())
 255     return false;
 256
 257   QList<ModuleBase_ViewerPrsPtr> aSelected = getFilteredSelected();
 258
 259   if (aSelected.empty())
 260     return false;
 261   ModuleBase_ViewerPrsPtr aPrs = aSelected.first();
 262   bool aDone = setSelectionInternal(aSelected, false);
 263   if (aDone) {
 264     updateByPlaneSelected(aPrs);
 265     updateObject(myFeature);
 266   }
 267
 268   return aDone;
 269 }
 270
 271 void PartSet_WidgetSketchLabel::onShowConstraint(bool theOn)
 272 {
 273   QCheckBox* aSenderCheckBox = qobject_cast<QCheckBox*>(sender());
 274
 275   QMap<PartSet_Tools::ConstraintVisibleState, QCheckBox*>::const_iterator
 276                           anIt = myShowConstraints.begin(), aLast = myShowConstraints.end();
 277
 278   PartSet_Tools::ConstraintVisibleState aState = PartSet_Tools::Geometrical;
 279   bool aFound = false;
 280   for (; anIt != aLast && !aFound; anIt++) {
 281     aFound = anIt.value() == aSenderCheckBox;
 282     if (aFound)
 283       aState = anIt.key();
 284   }
 285   if (aFound)
 286     emit showConstraintToggled(aState, theOn);
 287 }
 288
 289 void PartSet_WidgetSketchLabel::blockAttribute(const AttributePtr& theAttribute,
 290                                                const bool& theToBlock, bool& isFlushesActived,
 291                                                bool& isAttributeSetInitializedBlocked,
 292                                                bool& isAttributeSendUpdatedBlocked)
 293 {
 294   ModuleBase_WidgetValidated::blockAttribute(theAttribute, theToBlock, isFlushesActived,
 295                                              isAttributeSetInitializedBlocked,
 296                                              isAttributeSendUpdatedBlocked);
 297   // We do not restore the previous state of isAttributeSetInitializedBlocked for each of
 298   // attributes. It it is necessary, these states should be append to the method attributes
 299   // or stored in the widget
 300
 301   std::list<AttributePtr> anAttributes = myFeature->data()->attributes("");
 302   std::list<AttributePtr>::const_iterator anIt = anAttributes.begin(), aLast = anAttributes.end();
 303   QStringList aValues;
 304   for(; anIt != aLast; anIt++) {
 305     AttributePtr anAttribute = *anIt;
 306     if (theToBlock)
 307       anAttribute->blockSetInitialized(true);
 308     else
 309       anAttribute->blockSetInitialized(isAttributeSetInitializedBlocked);
 310   }
 311 }
 312
 313 bool PartSet_WidgetSketchLabel::setSelectionInternal(
 314                                           const QList<ModuleBase_ViewerPrsPtr>& theValues,
 315                                           const bool theToValidate)
 316 {
 317   bool aDone = false;
 318   if (theValues.empty()) {
 319     // In order to make reselection possible, set empty object and shape should be done
 320     setSelectionCustom(ModuleBase_ViewerPrsPtr(
 321                               new ModuleBase_ViewerPrs(ObjectPtr(), GeomShapePtr(), NULL)));
 322     aDone = false;
 323   }
 324   else {
 325     // it removes the processed value from the parameters list
 326     ModuleBase_ViewerPrsPtr aValue = theValues.first();//.takeFirst();
 327     if (!theToValidate || isValidInFilters(aValue)) {
 328       myIsSelection = true;
 329       aDone = setSelectionCustom(aValue);
 330       myIsSelection = false;
 331     }
 332   }
 333
 334   return aDone;
 335 }
 336
 337 void PartSet_WidgetSketchLabel::updateByPlaneSelected(const ModuleBase_ViewerPrsPtr& thePrs)
 338 {
 339   // Nullify a temporary remembered plane
 340   if (myTmpPlane.get())
 341     myTmpPlane.reset();
 342
 343   GeomPlanePtr aPlane = plane();
 344   if (!aPlane.get())
 345     return;
 346
 347   myPartSetMessage->hide();
 348   mySizeMessage->hide();
 349
 350   // 1. hide main planes if they have been displayed and display sketch preview plane
 351   myPreviewPlanes->erasePreviewPlanes(myWorkshop);
 352
 353   QString aSizeOfViewStr = mySizeOfView->text();
 354   bool isSetSizeOfView = false;
 355   double aSizeOfView = 0;
 356   if (!aSizeOfViewStr.isEmpty()) {
 357     aSizeOfView = aSizeOfViewStr.toDouble(&isSetSizeOfView);
 358     if (isSetSizeOfView && aSizeOfView <= 0) {
 359       isSetSizeOfView = false;
 360     }
 361   }
 362   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 363   if (aModule) {
 364     CompositeFeaturePtr aSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 365     aModule->sketchMgr()->previewSketchPlane()->setSizeOfView(aSizeOfView, isSetSizeOfView);
 366     if (myViewVisible->isChecked())
 367       aModule->sketchMgr()->previewSketchPlane()->createSketchPlane(aSketch, myWorkshop);
 368   }
 369   // 2. if the planes were displayed, change the view projection
 370
 371   std::shared_ptr<GeomAPI_Dir> aDir = aPlane->direction();
 372   gp_XYZ aXYZ = aDir->impl<gp_Dir>().XYZ();
 373   double aTwist = 0.0;
 374
 375   // Rotate view if the sketcher plane is selected only from preview planes
 376   // Preview planes are created only if there is no any shape
 377   bool aRotate = Config_PropManager::boolean(SKETCH_TAB_NAME, "rotate_to_plane");
 378   if (aRotate) {
 379     myWorkshop->viewer()->setViewProjection(aXYZ.X(), aXYZ.Y(), aXYZ.Z(), aTwist);
 380   }
 381   if (isSetSizeOfView && 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   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   myWorkshop->updateCommandStatus();
 413   aWorkshop->selector()->clearSelection();
 414   myWorkshop->viewer()->update();
 415
 416   myRemoveExternal->setVisible(false);
 417 }
 418
 419 std::shared_ptr<GeomAPI_Pln> PartSet_WidgetSketchLabel::plane() const
 420 {
 421   CompositeFeaturePtr aSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 422   return PartSet_Tools::sketchPlane(aSketch);
 423 }
 424
 425 bool PartSet_WidgetSketchLabel::focusTo()
 426 {
 427   ModuleBase_Tools::setFocus(myStackWidget, "PartSet_WidgetSketchLabel::focusTo()");
 428   return true;
 429 }
 430
 431 void PartSet_WidgetSketchLabel::enableFocusProcessing()
 432 {
 433   myStackWidget->installEventFilter(this);
 434 }
 435
 436 void PartSet_WidgetSketchLabel::storeAttributeValue(const AttributePtr& theAttribute)
 437 {
 438   ModuleBase_WidgetValidated::storeAttributeValue(theAttribute);
 439 }
 440
 441 void PartSet_WidgetSketchLabel::restoreAttributeValue(const AttributePtr& theAttribute,
 442                                                       const bool theValid)
 443 {
 444   ModuleBase_WidgetValidated::restoreAttributeValue(theAttribute, theValid);
 445
 446   // it is not necessary to save the previous plane value because the plane is chosen once
 447   DataPtr aData = feature()->data();
 448   AttributeSelectionPtr aSelAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 449     (aData->attribute(SketchPlugin_SketchEntity::EXTERNAL_ID()));
 450   if (aSelAttr) {
 451     ResultPtr anEmptyResult;
 452     GeomShapePtr anEmptyShape;
 453     aSelAttr->setValue(anEmptyResult, anEmptyShape);
 454   }
 455   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 456     aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 457   anOrigin->reset();
 458   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 459     aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 460   aNormal->reset();
 461   std::shared_ptr<GeomDataAPI_Dir> aDirX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 462     aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 463   aDirX->reset();
 464 }
 465
 466 bool PartSet_WidgetSketchLabel::setSelectionCustom(const ModuleBase_ViewerPrsPtr& thePrs)
 467 {
 468   if (myIsSelection && myRemoveExternal->isVisible()) {
 469     if (myRemoveExternal->isChecked()) {
 470       myFeature->customAction(SketchPlugin_Sketch::ACTION_REMOVE_EXTERNAL());
 471     }
 472   }
 473   return fillSketchPlaneBySelection(thePrs);
 474 }
 475
 476 bool PartSet_WidgetSketchLabel::canFillSketch(const ModuleBase_ViewerPrsPtr& thePrs)
 477 {
 478   bool aCanFillSketch = true;
 479   // avoid any selection on sketch object
 480   ObjectPtr anObject = thePrs->object();
 481   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
 482   if (aResult.get()) {
 483     FeaturePtr aFeature = ModelAPI_Feature::feature(aResult);
 484     if (aFeature->getKind() == SketchPlugin_Sketch::ID())
 485       aCanFillSketch = false;
 486   }
 487   // check plane or planar face of any non-sketch object
 488   if (aCanFillSketch) {
 489     GeomShapePtr aGeomShape = thePrs->shape();
 490     if ((!aGeomShape.get() || aGeomShape->isNull()) && aResult.get()) {
 491       aGeomShape = aResult->shape();
 492     }
 493
 494     if (aGeomShape.get() && aGeomShape->shapeType() == GeomAPI_Shape::FACE) {
 495       std::shared_ptr<GeomAPI_Face> aGeomFace(new GeomAPI_Face(aGeomShape));
 496       aCanFillSketch = aGeomFace.get() && aGeomFace->isPlanar();
 497     }
 498     else
 499       aCanFillSketch = false;
 500   }
 501   return aCanFillSketch;
 502 }
 503
 504 bool PartSet_WidgetSketchLabel::fillSketchPlaneBySelection(const ModuleBase_ViewerPrsPtr& thePrs)
 505 {
 506   bool isOwnerSet = false;
 507
 508   const GeomShapePtr& aShape = thePrs->shape();
 509   std::shared_ptr<GeomAPI_Dir> aDir;
 510
 511   if (aShape.get() && !aShape->isNull()) {
 512     const TopoDS_Shape& aTDShape = aShape->impl<TopoDS_Shape>();
 513     aDir = setSketchPlane(aTDShape);
 514     isOwnerSet = aDir.get();
 515   }
 516   if (thePrs->object() && (feature() != thePrs->object())) {
 517     FeaturePtr aFeature = ModelAPI_Feature::feature(thePrs->object());
 518     DataPtr aData = feature()->data();
 519     AttributeSelectionPtr aSelAttr =
 520       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 521       (aData->attribute(SketchPlugin_SketchEntity::EXTERNAL_ID()));
 522     if (aSelAttr.get()) {
 523       ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(thePrs->object());
 524       if (aRes.get()) {
 525         GeomShapePtr aShapePtr;
 526         if (!aShape.get() || aShape->isNull()) {  // selection happens in the OCC viewer
 527           aShapePtr = ModelAPI_Tools::shape(aRes);
 528         }
 529         else { // selection happens in OB browser
 530           aShapePtr = aShape;
 531         }
 532         if (aShapePtr.get() && aShapePtr->isFace()) {
 533           const TopoDS_Shape& aTDShape = aShapePtr->impl<TopoDS_Shape>();
 534           setSketchPlane(aTDShape);
 535           aSelAttr->setValue(aRes, aShapePtr);
 536           isOwnerSet = true;
 537         }
 538       }
 539       else {
 540         aSelAttr->setValue(aFeature, GeomShapePtr());
 541         GeomShapePtr aSelShape = aSelAttr->value();
 542         if (!aSelShape.get() && aSelAttr->contextFeature().get() &&
 543           aSelAttr->contextFeature()->firstResult().get()) {
 544           aSelShape = aSelAttr->contextFeature()->firstResult()->shape();
 545         }
 546         if (aSelShape.get() && aSelShape->isPlanar()) {
 547           const TopoDS_Shape& aTDShape = aSelShape->impl<TopoDS_Shape>();
 548           setSketchPlane(aTDShape);
 549           isOwnerSet = true;
 550         }
 551       }
 552     }
 553   }
 554   return isOwnerSet;
 555 }
 556
 557 void PartSet_WidgetSketchLabel::activateCustom()
 558 {
 559   QWidget* aTopWidget = window();
 560   if (aTopWidget)
 561     aTopWidget->installEventFilter(this);
 562
 563   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 564   if (aModule) {
 565     bool isBlocked = myAutoConstraints->blockSignals(true);
 566     myAutoConstraints->setChecked(aModule->sketchReentranceMgr()->isAutoConstraints());
 567     myAutoConstraints->blockSignals(isBlocked);
 568   }
 569
 570   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 571   if (aPlane.get()) {
 572     myStackWidget->setCurrentIndex(1);
 573     return;
 574   }
 575
 576   myStackWidget->setCurrentIndex(0);
 577   bool aBodyIsVisualized = myPreviewPlanes->hasVisualizedBodies(myWorkshop);
 578
 579   // Clear previous selection mode It is necessary for correct activation of preview planes
 580   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 581   XGUI_Displayer* aDisp = aWorkshop->displayer();
 582   aWorkshop->selectionActivate()->activateObjects(QIntList(), aDisp->displayedObjects(), false);
 583
 584   if (!aBodyIsVisualized) {
 585     // We have to select a plane before any operation
 586     myPreviewPlanes->showPreviewPlanes(myWorkshop);
 587     mySizeOfViewWidget->setVisible(true);
 588   }
 589   else
 590     mySizeOfViewWidget->setVisible(false);
 591 }
 592
 593 void PartSet_WidgetSketchLabel::showEvent(QShowEvent* theEvent)
 594 {
 595   ModuleBase_WidgetValidated::showEvent(theEvent);
 596   QTimer::singleShot(10, this, SLOT(onShowPanel()));
 597 }
 598
 599 void PartSet_WidgetSketchLabel::hideEvent(QHideEvent* theEvent)
 600 {
 601   ModuleBase_WidgetValidated::hideEvent(theEvent);
 602   if (myPartSetMessage->isVisible())
 603     myPartSetMessage->hide();
 604   if (mySizeMessage->isVisible())
 605     mySizeMessage->hide();
 606 }
 607
 608
 609 void PartSet_WidgetSketchLabel::onShowPanel()
 610 {
 611   //if (mySizeOfViewWidget->isVisible()) {
 612   if (myStackWidget->currentIndex() == 0) {
 613     DocumentPtr aDoc = feature()->document();
 614     DocumentPtr aModDoc = ModelAPI_Session::get()->moduleDocument();
 615     if (aModDoc == aDoc) {
 616       myPartSetMessage->move(mapToGlobal(geometry().bottomLeft()));
 617       myPartSetMessage->show();
 618     }
 619     if (mySizeOfViewWidget->isVisible()) {
 620       QPoint aPnt = mySizeOfView->mapToGlobal(mySizeOfView->geometry().center());
 621       mySizeMessage->move(aPnt);
 622       mySizeMessage->show();
 623     }
 624   }
 625 }
 626
 627 void PartSet_WidgetSketchLabel::deactivate()
 628 {
 629   QWidget* aTopWidget = window();
 630   if (aTopWidget)
 631     aTopWidget->removeEventFilter(this);
 632
 633   if (myTmpPlane.get()) {
 634     setSketchPlane(myTmpPlane);
 635     myTmpPlane.reset();
 636   }
 637
 638   ModuleBase_WidgetValidated::deactivate();
 639   bool aHidePreview = myPreviewPlanes->isPreviewDisplayed();
 640   myPreviewPlanes->erasePreviewPlanes(myWorkshop);
 641
 642   if (aHidePreview)
 643     myWorkshop->viewer()->update();
 644
 645   if (myOpenTransaction) {
 646     SessionPtr aMgr = ModelAPI_Session::get();
 647     aMgr->finishOperation();
 648     myOpenTransaction = false;
 649   }
 650 }
 651
 652 void PartSet_WidgetSketchLabel::selectionModes(int& theModuleSelectionModes, QIntList& theModes)
 653 {
 654   theModuleSelectionModes = -1;
 655   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 656   if (!aPlane.get())
 657     theModes << TopAbs_FACE;
 658 }
 659
 660 void PartSet_WidgetSketchLabel::selectionFilters(QIntList& theModuleSelectionFilters,
 661                                                  SelectMgr_ListOfFilter& theSelectionFilters)
 662 {
 663   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 664   if (aPlane.get())
 665     return;
 666   return ModuleBase_WidgetValidated::selectionFilters(theModuleSelectionFilters,
 667                                                       theSelectionFilters);
 668 }
 669
 670 std::shared_ptr<GeomAPI_Dir>
 671   PartSet_WidgetSketchLabel::setSketchPlane(const TopoDS_Shape& theShape)
 672 {
 673   if (theShape.IsNull())
 674     return std::shared_ptr<GeomAPI_Dir>();
 675
 676   // get selected shape
 677   std::shared_ptr<GeomAPI_Shape> aGShape(new GeomAPI_Shape);
 678   aGShape->setImpl(new TopoDS_Shape(theShape));
 679
 680   // get plane parameters
 681   std::shared_ptr<GeomAPI_Face> aFace(new GeomAPI_Face(aGShape));
 682   std::shared_ptr<GeomAPI_Pln> aPlane = aFace->getPlane();
 683   if (!aPlane.get())
 684     return std::shared_ptr<GeomAPI_Dir>();
 685   return setSketchPlane(aPlane);
 686 }
 687
 688 std::shared_ptr<GeomAPI_Dir>
 689   PartSet_WidgetSketchLabel::setSketchPlane(std::shared_ptr<GeomAPI_Pln> thePlane)
 690 {
 691   // set plane parameters to feature
 692   std::shared_ptr<ModelAPI_Data> aData = feature()->data();
 693   double anA, aB, aC, aD;
 694   thePlane->coefficients(anA, aB, aC, aD);
 695
 696   // calculate attributes of the sketch
 697   std::shared_ptr<GeomAPI_Dir> aNormDir(new GeomAPI_Dir(anA, aB, aC));
 698   std::shared_ptr<GeomAPI_XYZ> aCoords = aNormDir->xyz();
 699   std::shared_ptr<GeomAPI_XYZ> aZero(new GeomAPI_XYZ(0, 0, 0));
 700   aCoords = aCoords->multiplied(-aD * aCoords->distance(aZero));
 701   std::shared_ptr<GeomAPI_Pnt> anOrigPnt(new GeomAPI_Pnt(aCoords));
 702   // X axis is preferable to be dirX on the sketch
 703   const double tol = Precision::Confusion();
 704   bool isX = fabs(fabs(anA) - 1.0) < tol && fabs(aB) < tol && fabs(aC) < tol;
 705   std::shared_ptr<GeomAPI_Dir> aTempDir(
 706       isX ? new GeomAPI_Dir(0, 1, 0) : new GeomAPI_Dir(1, 0, 0));
 707   std::shared_ptr<GeomAPI_Dir> aYDir(new GeomAPI_Dir(aNormDir->cross(aTempDir)));
 708   std::shared_ptr<GeomAPI_Dir> aXDir(new GeomAPI_Dir(aYDir->cross(aNormDir)));
 709
 710   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 711       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 712   anOrigin->setValue(anOrigPnt);
 713   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 714       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 715   aNormal->setValue(aNormDir);
 716   std::shared_ptr<GeomDataAPI_Dir> aDirX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 717       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 718   aDirX->setValue(aXDir);
 719   std::shared_ptr<GeomAPI_Dir> aDir = thePlane->direction();
 720   return aDir;
 721 }
 722
 723 void PartSet_WidgetSketchLabel::onSetPlaneView()
 724 {
 725   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 726   if (aPlane.get()) {
 727     std::shared_ptr<GeomAPI_Dir> aDirection = aPlane->direction();
 728     gp_Dir aDir = aDirection->impl<gp_Dir>();
 729     if (myViewInverted->isChecked())
 730       aDir.Reverse();
 731     myWorkshop->viewer()->setViewProjection(aDir.X(), aDir.Y(), aDir.Z(), 0.);
 732     PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 733     if (aModule)
 734       aModule->onViewTransformed();
 735   }
 736 }
 737
 738
 739 //******************************************************
 740 QList<ModuleBase_ViewerPrsPtr> PartSet_WidgetSketchLabel::findCircularEdgesInPlane()
 741 {
 742   QList<std::shared_ptr<ModuleBase_ViewerPrs>> aResult;
 743   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 744   XGUI_Displayer* aDisplayer = aWorkshop->displayer();
 745   QObjectPtrList aDispObjects = aDisplayer->displayedObjects();
 746
 747   std::shared_ptr<GeomAPI_Pln> aPlane = plane();
 748   foreach(ObjectPtr aObj, aDispObjects) {
 749     ResultPtr aResObj = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
 750     if (aResObj.get()) {
 751       GeomShapePtr aShape = aResObj->shape();
 752       if (aShape.get()) {
 753         GeomAPI_ShapeExplorer aExplorer(aShape, GeomAPI_Shape::EDGE);
 754         for(; aExplorer.more(); aExplorer.next()) {
 755           GeomShapePtr aEdgeShape = aExplorer.current();
 756           GeomAPI_Edge anEdge(aEdgeShape);
 757           if ((anEdge.isCircle() || anEdge.isArc() || anEdge.isEllipse()) &&
 758                anEdge.isInPlane(aPlane)) {
 759             bool isContains = false;
 760             // Check that edge is not used.
 761             // It is possible that the same edge will be taken from different faces
 762             foreach(ModuleBase_ViewerPrsPtr aPrs, aResult) {
 763               GeomAPI_Edge aUsedEdge(aPrs->shape());
 764               if (aUsedEdge.isEqual(aEdgeShape)) {
 765                 isContains = true;
 766                 break;
 767               }
 768             }
 769             if (!isContains) {
 770               ModuleBase_ViewerPrsPtr aPrs(new ModuleBase_ViewerPrs(aResObj, aEdgeShape));
 771               aResult.append(aPrs);
 772             }
 773           }
 774         }
 775       }
 776     }
 777   }
 778   return aResult;
 779 }
 780
 781 //******************************************************
 782 void PartSet_WidgetSketchLabel::onChangePlane()
 783 {
 784   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 785   if (aModule) {
 786     mySizeOfViewWidget->setVisible(false);
 787     myRemoveExternal->setVisible(true);
 788     myStackWidget->setCurrentIndex(0);
 789
 790     bool aBodyIsVisualized = myPreviewPlanes->hasVisualizedBodies(myWorkshop);
 791
 792     if (!aBodyIsVisualized) {
 793       // We have to select a plane before any operation
 794       myPreviewPlanes->showPreviewPlanes(myWorkshop);
 795     }
 796
 797     CompositeFeaturePtr aSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 798     myTmpPlane = PartSet_Tools::sketchPlane(aSketch);
 799     PartSet_Tools::nullifySketchPlane(aSketch);
 800
 801     Handle(SelectMgr_Filter) aFilter = aModule->selectionFilter(SF_SketchPlaneFilter);
 802     if (!aFilter.IsNull()) {
 803       std::shared_ptr<GeomAPI_Pln> aPln;
 804       Handle(ModuleBase_ShapeInPlaneFilter)::DownCast(aFilter)->setPlane(aPln);
 805     }
 806     XGUI_Workshop* aWorkshop = aModule->getWorkshop();
 807
 808     aWorkshop->selectionActivate()->updateSelectionFilters();
 809     aWorkshop->selectionActivate()->updateSelectionModes();
 810
 811     SessionPtr aMgr = ModelAPI_Session::get();
 812     aMgr->startOperation("Change Sketch plane");
 813     myOpenTransaction = true;
 814     myWorkshop->viewer()->update();
 815   }
 816 }
 817
 818 void PartSet_WidgetSketchLabel::setShowPointsState(bool theState)
 819 {
 820   bool aBlock = myShowPoints->blockSignals(true);
 821   myShowPoints->setChecked(theState);
 822   myShowPoints->blockSignals(aBlock);
 823 }
 824
 825 bool PartSet_WidgetSketchLabel::restoreValueCustom()
 826 {
 827   if (myFeature.get()) {
 828     CompositeFeaturePtr aSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 829     if (aSketch.get() && (aSketch->numberOfSubs() > 0)) {
 830       AttributeStringPtr aDOFStr = aSketch->string("SolverDOF");
 831       if (aDOFStr.get()) {
 832         QString aVal(aDOFStr->value().c_str());
 833         if (aVal.contains('=')) {
 834           // to support old data
 835           aVal = aVal.right(aVal.length() - aVal.lastIndexOf('='));
 836         }
 837         int aDoF = aVal.toInt();
 838         if (aDoF == 0) {
 839           myDoFLabel->setText(tr("Sketch is fully fixed (DoF = 0)"));
 840           myShowDOFBtn->setEnabled(false);
 841         } else {
 842           myDoFLabel->setText(tr("DoF (degrees of freedom) = ") + aVal);
 843           myShowDOFBtn->setEnabled(true);
 844         }
 845       }
 846     }
 847     else {
 848       myDoFLabel->setText("");
 849       myShowDOFBtn->setEnabled(false);
 850     }
 851   }
 852   return true;
 853 }
 854
 855
 856 void PartSet_WidgetSketchLabel::onShowDOF()
 857 {
 858   CompositeFeaturePtr aCompFeature =
 859     std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 860   if (aCompFeature.get()) {
 861     static const Events_ID anEvent = Events_Loop::eventByName(EVENT_GET_DOF_OBJECTS);
 862     ModelAPI_EventCreator::get()->sendUpdated(aCompFeature, anEvent);
 863     Events_Loop::loop()->flush(anEvent);
 864
 865     // Transfer focus to the current viewport for correct processing of a key event
 866     QWidget* aViewPort = myWorkshop->viewer()->activeViewPort();
 867     if (aViewPort)
 868       aViewPort->setFocus();
 869   }
 870 }
 871
 872 bool PartSet_WidgetSketchLabel::eventFilter(QObject* theObj, QEvent* theEvent)
 873 {
 874   if (theObj == window()) {
 875     int aType = theEvent->type();
 876     if ((aType == QEvent::Hide) || (aType == QEvent::WindowDeactivate)) {
 877       if (myPartSetMessage->isVisible())
 878         myPartSetMessage->hide();
 879       if (mySizeMessage->isVisible())
 880         mySizeMessage->hide();
 881     }
 882     else if ((aType == QEvent::Show) || (aType == QEvent::WindowActivate))
 883       onShowPanel();
 884   }
 885   return ModuleBase_WidgetValidated::eventFilter(theObj, theEvent);
 886 }
 887
 888 void PartSet_WidgetSketchLabel::onShowViewPlane(bool toShow)
 889 {
 890   PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(myWorkshop->module());
 891   PartSet_PreviewSketchPlane* aPreviewPlane = aModule->sketchMgr()->previewSketchPlane();
 892   if (toShow) {
 893     CompositeFeaturePtr aSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
 894     if (aPreviewPlane->isPlaneCreated())
 895       aPreviewPlane->displaySketchPlane(myWorkshop);
 896     else
 897       aPreviewPlane->createSketchPlane(aSketch, myWorkshop);
 898   }
 899   else {
 900     aPreviewPlane->eraseSketchPlane(myWorkshop, false);
 901   }
 902   myWorkshop->viewer()->update();
 903 }