src/PartSet/PartSet_SketcherMgr.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_SketcherMgr.h"
  21
  22 #include "PartSet_Filters.h"
  23 #include "PartSet_SketcherReentrantMgr.h"
  24 #include "PartSet_Module.h"
  25 #include "PartSet_MouseProcessor.h"
  26 #include "PartSet_Tools.h"
  27 #include "PartSet_WidgetSketchLabel.h"
  28 #include "PartSet_WidgetEditor.h"
  29 #include "PartSet_ResultSketchPrs.h"
  30 #include "PartSet_ExternalPointsMgr.h"
  31 #include "PartSet_PreviewSketchPlane.h"
  32
  33 #include <XGUI_ModuleConnector.h>
  34 #include <XGUI_Displayer.h>
  35 #include <XGUI_Workshop.h>
  36 #include <XGUI_ContextMenuMgr.h>
  37 #include <XGUI_Selection.h>
  38 #include <XGUI_SelectionActivate.h>
  39 #include <XGUI_SelectionMgr.h>
  40 #include <XGUI_ModuleConnector.h>
  41 #include <XGUI_PropertyPanel.h>
  42 #include <XGUI_ViewerProxy.h>
  43 #include <XGUI_OperationMgr.h>
  44 #include <XGUI_ErrorMgr.h>
  45 #include <XGUI_Tools.h>
  46
  47 #include <ModuleBase_IPropertyPanel.h>
  48 #include <ModuleBase_ISelection.h>
  49 #include <ModuleBase_IViewer.h>
  50 #include <ModuleBase_IWorkshop.h>
  51 #include <ModuleBase_IViewWindow.h>
  52 #include <ModuleBase_ModelWidget.h>
  53 #include <ModuleBase_Operation.h>
  54 #include <ModuleBase_OperationFeature.h>
  55 #include <ModuleBase_Operation.h>
  56 #include <ModuleBase_WidgetEditor.h>
  57 #include <ModuleBase_ViewerPrs.h>
  58 #include <ModuleBase_Tools.h>
  59 #include <ModuleBase_ResultPrs.h>
  60 #include <ModuleBase_ViewerFilters.h>
  61
  62 #include <GeomDataAPI_Point2D.h>
  63
  64 #include <GeomAPI_Shape.h>
  65
  66 #include <Events_Loop.h>
  67
  68 #include <SketchPlugin_Line.h>
  69 #include <SketchPlugin_Sketch.h>
  70 #include <SketchPlugin_Point.h>
  71 #include <SketchPlugin_Arc.h>
  72 #include <SketchPlugin_Circle.h>
  73 #include <SketchPlugin_ConstraintLength.h>
  74 #include <SketchPlugin_ConstraintDistance.h>
  75 #include <SketchPlugin_ConstraintParallel.h>
  76 #include <SketchPlugin_ConstraintPerpendicular.h>
  77 #include <SketchPlugin_ConstraintRadius.h>
  78 #include <SketchPlugin_ConstraintRigid.h>
  79 #include <SketchPlugin_ConstraintHorizontal.h>
  80 #include <SketchPlugin_ConstraintVertical.h>
  81 #include <SketchPlugin_ConstraintEqual.h>
  82 #include <SketchPlugin_ConstraintTangent.h>
  83 #include <SketchPlugin_ConstraintCoincidence.h>
  84 #include <SketchPlugin_Fillet.h>
  85 #include <SketchPlugin_ConstraintMirror.h>
  86 #include <SketchPlugin_ConstraintAngle.h>
  87 #include <SketchPlugin_ConstraintCollinear.h>
  88 #include <SketchPlugin_ConstraintMiddle.h>
  89 #include <SketchPlugin_MultiRotation.h>
  90 #include <SketchPlugin_MultiTranslation.h>
  91 #include <SketchPlugin_IntersectionPoint.h>
  92 #include <SketchPlugin_Projection.h>
  93 #include <SketchPlugin_ConstraintDistanceAlongDir.h>
  94 #include <SketchPlugin_ConstraintDistanceHorizontal.h>
  95 #include <SketchPlugin_ConstraintDistanceVertical.h>
  96
  97 #include <SketcherPrs_Tools.h>
  98
  99 #include <SelectMgr_IndexedMapOfOwner.hxx>
 100 #include <StdSelect_BRepOwner.hxx>
 101
 102 //#include <AIS_DimensionSelectionMode.hxx>
 103 #include <AIS_Shape.hxx>
 104 #include <AIS_Dimension.hxx>
 105
 106 #include <ModelAPI_Events.h>
 107 #include <ModelAPI_Session.h>
 108 #include <ModelAPI_AttributeString.h>
 109
 110 #include <ModelAPI_Validator.h>
 111 #include <ModelAPI_Tools.h>
 112
 113 #include <QMouseEvent>
 114 #include <QApplication>
 115 #include <QCursor>
 116 #include <QMessageBox>
 117 #include <QMainWindow>
 118
 119 //#define DEBUG_DO_NOT_BY_ENTER
 120 //#define DEBUG_SKETCHER_ENTITIES
 121 //#define DEBUG_SKETCH_ENTITIES_ON_MOVE
 122 //#define DRAGGING_DEBUG
 123 //#define DEBUG_CURSOR
 124
 125
 126 #ifdef DRAGGING_DEBUG
 127 #include <QTime>
 128 #endif
 129
 130 /// Fills attribute and result lists by the selected owner. In case if the attribute is found,
 131 /// by the owner shape, it is put to the list. Otherwise if type of owner shape is edge,
 132 /// put the function result as is to the list of results.
 133 /// \param theOwner a viewer selected owner
 134 /// \param theFeature a feature, where the attribute is searched
 135 /// \param theSketch a current sketch
 136 /// \param theSelectedAttribute an output list of attributes
 137 /// \param theSelectedResults an output list of edge results
 138 void getAttributesOrResults(const Handle(SelectMgr_EntityOwner)& theOwner,
 139                             const FeaturePtr& theFeature, const FeaturePtr& theSketch,
 140                             const ResultPtr& theResult,
 141                             std::set<AttributePtr>& theSelectedAttributes,
 142                             std::set<ResultPtr>& theSelectedResults,
 143                             TopTools_MapOfShape& theShapes)
 144 {
 145   Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(theOwner);
 146   if (aBRepOwner.IsNull())
 147     return;
 148   Handle(AIS_InteractiveObject) anIO = Handle(AIS_InteractiveObject)::DownCast(
 149                                                                     aBRepOwner->Selectable());
 150   if (aBRepOwner->HasShape()) {
 151     const TopoDS_Shape& aShape = aBRepOwner->Shape();
 152     theShapes.Add(aShape);
 153     TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 154     if (aShapeType == TopAbs_VERTEX) {
 155       AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(theFeature,
 156                                                                     aShape, theSketch);
 157       if (aPntAttr.get() != NULL)
 158         theSelectedAttributes.insert(aPntAttr);
 159     }
 160     else if (aShapeType == TopAbs_EDGE &&
 161              theSelectedResults.find(theResult) == theSelectedResults.end()) {
 162       theSelectedResults.insert(theResult);
 163     }
 164   }
 165 }
 166
 167 PartSet_SketcherMgr::PartSet_SketcherMgr(PartSet_Module* theModule)
 168   : QObject(theModule), myModule(theModule), myIsEditLaunching(false), myIsDragging(false),
 169     myDragDone(false), myIsMouseOverWindow(false),
 170     myIsMouseOverViewProcessed(true), myPreviousUpdateViewerEnabled(true),
 171     myIsPopupMenuActive(false), myExternalPointsMgr(0), myNoDragMoving(false)
 172 {
 173   ModuleBase_IWorkshop* anIWorkshop = myModule->workshop();
 174   ModuleBase_IViewer* aViewer = anIWorkshop->viewer();
 175
 176   myPreviousDrawModeEnabled = true;//aViewer->isSelectionEnabled();
 177
 178   connect(aViewer, SIGNAL(mousePress(ModuleBase_IViewWindow*, QMouseEvent*)),
 179           this, SLOT(onMousePressed(ModuleBase_IViewWindow*, QMouseEvent*)));
 180
 181   connect(aViewer, SIGNAL(mouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)),
 182           this, SLOT(onMouseReleased(ModuleBase_IViewWindow*, QMouseEvent*)));
 183
 184   connect(aViewer, SIGNAL(mouseMove(ModuleBase_IViewWindow*, QMouseEvent*)),
 185           this, SLOT(onMouseMoved(ModuleBase_IViewWindow*, QMouseEvent*)));
 186
 187   connect(aViewer, SIGNAL(mouseDoubleClick(ModuleBase_IViewWindow*, QMouseEvent*)),
 188           this, SLOT(onMouseDoubleClick(ModuleBase_IViewWindow*, QMouseEvent*)));
 189
 190   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(anIWorkshop);
 191   XGUI_Workshop* aWorkshop = aConnector->workshop();
 192   connect(aWorkshop, SIGNAL(applicationStarted()), this, SLOT(onApplicationStarted()));
 193
 194   myIsConstraintsShown[PartSet_Tools::Geometrical] = true;
 195   myIsConstraintsShown[PartSet_Tools::Dimensional] = true;
 196   myIsConstraintsShown[PartSet_Tools::Expressions] = false;
 197
 198   mySketchPlane = new PartSet_PreviewSketchPlane();
 199
 200   registerSelectionFilter(SF_SketchCirclePointFilter, new PartSet_CirclePointFilter(anIWorkshop));
 201   registerSelectionFilter(SF_SketchPlaneFilter, new ModuleBase_ShapeInPlaneFilter());
 202 }
 203
 204 PartSet_SketcherMgr::~PartSet_SketcherMgr()
 205 {
 206   delete mySketchPlane;
 207 }
 208
 209 void PartSet_SketcherMgr::onEnterViewPort()
 210 {
 211   // 1. if the mouse over window, update the next flag. Do not perform update visibility of
 212   // created feature because it should be done in onMouseMove(). Some widgets watch
 213   // the mouse move and use the cursor position to update own values. If the presentaion is
 214   // redisplayed before this update, the feature presentation jumps from reset value to current.
 215   myIsMouseOverWindow = true;
 216
 217   #ifdef DEBUG_DO_NOT_BY_ENTER
 218   return;
 219   #endif
 220
 221   if (canChangeCursor(getCurrentOperation())) {
 222     QCursor* aCurrentCursor = QApplication::overrideCursor();
 223     if (!aCurrentCursor || aCurrentCursor->shape() != Qt::CrossCursor) {
 224       QApplication::setOverrideCursor(QCursor(Qt::CrossCursor));
 225 #ifdef DEBUG_CURSOR
 226       qDebug("onEnterViewPort() : Qt::CrossCursor");
 227 #endif
 228     }
 229   }
 230
 231   if (!isNestedCreateOperation(getCurrentOperation(), activeSketch()))
 232     return;
 233
 234   operationMgr()->onValidateOperation();
 235
 236   // we need change displayed state of the current operation feature
 237   // if the feature is presentable, e.g. distance construction. It has no results, so workshop does
 238   // not accept a signal about the result created. Nothing is shown until mouse is moved out/in view
 239   // port. If the isDisplayed flag is true, the presentable feature is displayed as soon as the
 240   // presentation becomes valid and redisplay happens
 241   //ModuleBase_Operation* aOperation = getCurrentOperation();
 242   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 243                                                                            (getCurrentOperation());
 244   if (aFOperation) {
 245     FeaturePtr aFeature = aFOperation->feature();
 246     if (aFeature.get() && aFeature->data()->isValid()) {
 247       visualizeFeature(aFeature, aFOperation->isEditOperation(), canDisplayObject(aFeature), false);
 248     }
 249   }
 250 }
 251
 252 void PartSet_SketcherMgr::onLeaveViewPort()
 253 {
 254   myIsMouseOverViewProcessed = false;
 255   myIsMouseOverWindow = false;
 256
 257   #ifdef DEBUG_DO_NOT_BY_ENTER
 258   return;
 259   #endif
 260
 261   if (canChangeCursor(getCurrentOperation())) {
 262     QApplication::restoreOverrideCursor();
 263 #ifdef DEBUG_CURSOR
 264     qDebug("onLeaveViewPort() : None");
 265 #endif
 266   }
 267
 268   if (!isNestedCreateOperation(getCurrentOperation(), activeSketch()))
 269     return;
 270
 271   // the method should be performed if the popup menu is called,
 272   // the reset of the current widget should not happen
 273   if (myIsPopupMenuActive)
 274     return;
 275
 276   // it is important to validate operation here only if sketch entity create operation is active
 277   // because at this operation we reacts to the mouse leave/enter view port
 278   operationMgr()->onValidateOperation();
 279
 280   // 2. if the mouse IS NOT over window, reset the active widget value and hide the presentation
 281   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
 282   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
 283   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 284   // disable the viewer update in order to avoid visualization of redisplayed feature in viewer
 285   // obtained after reset value
 286   bool isEnableUpdateViewer = aDisplayer->enableUpdateViewer(false);
 287   ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
 288   if (anActiveWidget)
 289     anActiveWidget->reset();
 290
 291   // hides the presentation of the current operation feature
 292   // the feature is to be erased here, but it is correct to call canDisplayObject because
 293   // there can be additional check (e.g. editor widget in distance constraint)
 294   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 295                                                                            (getCurrentOperation());
 296   if (aFOperation) {
 297     FeaturePtr aFeature = aFOperation->feature();
 298     visualizeFeature(aFeature, aFOperation->isEditOperation(), canDisplayObject(aFeature));
 299   }
 300   // we should update viewer after the presentation are hidden in the viewer
 301   // otherwise the reset presentation(line) appears in the viewer(by quick move from viewer to PP)
 302   aDisplayer->enableUpdateViewer(isEnableUpdateViewer);
 303 }
 304
 305 /*
 306 //Temporary commented as we do not modify values in property panel
 307 void PartSet_SketcherMgr::onBeforeValuesChangedInPropertyPanel()
 308 {
 309   if (!isNestedEditOperation(getCurrentOperation(), myModule->sketchMgr()->activeSketch()) ||
 310       myModule->sketchReentranceMgr()->isInternalEditActive())
 311     return;
 312   // it is necessary to save current selection in order to restore it after the values are modifed
 313   storeSelection(ST_SelectAndHighlightType);
 314
 315   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
 316   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
 317   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 318   myPreviousUpdateViewerEnabled = aDisplayer->enableUpdateViewer(false);
 319 }
 320
 321 void PartSet_SketcherMgr::onAfterValuesChangedInPropertyPanel()
 322 {
 323   if (!isNestedEditOperation(getCurrentOperation(), myModule->sketchMgr()->activeSketch()) ||
 324       myModule->sketchReentranceMgr()->isInternalEditActive()) {
 325     myModule->sketchReentranceMgr()->updateInternalEditActiveState();
 326     return;
 327   }
 328   // it is necessary to restore current selection in order to restore it after values are modified
 329   restoreSelection();
 330   myCurrentSelection.clear();
 331
 332   // 3. the flag to disable the update viewer should be set in order to avoid blinking in the
 333   // viewer happens by deselect/select the modified objects. The flag should be restored after
 334   // the selection processing. The update viewer should be also called.
 335   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
 336   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
 337   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 338   aDisplayer->enableUpdateViewer(myPreviousUpdateViewerEnabled);
 339   aDisplayer->updateViewer();
 340 }
 341 */
 342
 343 void PartSet_SketcherMgr::onMousePressed(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 344 {
 345   // Clear dragging mode
 346   myIsDragging = false;
 347
 348   if (myModule->sketchReentranceMgr()->processMousePressed(theWnd, theEvent))
 349     return;
 350   //get2dPoint(theWnd, theEvent, myClickedPoint);
 351   if (!(theEvent->buttons() & Qt::LeftButton))
 352     return;
 353
 354   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
 355   ModuleBase_IViewer* aViewer = aWorkshop->viewer();
 356   //if (!aViewer->canDragByMouse())
 357   //  return;
 358
 359   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 360                                                                (getCurrentOperation());
 361   if (!aFOperation)
 362     return;
 363
 364   bool isEditing = aFOperation->isEditOperation();
 365   bool aCanDrag = aViewer->canDragByMouse();
 366
 367   //if (!aViewer->canDragByMouse() && isEditing) {
 368   //  // Do not edit by dragging
 369   //  return;
 370   //}
 371
 372   if (isEditing) {
 373     // If the current widget is a selector, do nothing, it processes the mouse press
 374     ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
 375     if(anActiveWidget && anActiveWidget->isViewerSelector()) {
 376       return;
 377     }
 378   }
 379
 380   // Use only for sketch operations
 381   if (myCurrentSketch) {
 382     if (!PartSet_Tools::sketchPlane(myCurrentSketch))
 383       return;
 384
 385     bool isSketcher = isSketchOperation(aFOperation);
 386     bool isSketchOpe = isNestedSketchOperation(aFOperation);
 387
 388     // Avoid non-sketch operations
 389     if ((!isSketchOpe) && (!isSketcher))
 390       return;
 391
 392     // Ignore creation sketch operation
 393     if ((!isSketcher) && (!isEditing))
 394       return;
 395
 396     bool aHasShift = (theEvent->modifiers() & Qt::ShiftModifier);
 397     storeSelection(aHasShift ? ST_SelectAndHighlightType : ST_HighlightType, myCurrentSelection);
 398
 399     if (myCurrentSelection.empty()) {
 400       if (isSketchOpe && (!isSketcher))
 401         // commit previous operation
 402         if (!aFOperation->commit())
 403           aFOperation->abort();
 404       return;
 405     }
 406     // Init flyout point for radius rotation
 407     FeaturePtr aFeature = myCurrentSelection.begin().key();
 408
 409     get2dPoint(theWnd, theEvent, myCurrentPoint);
 410     if (isSketcher) {
 411       if (aCanDrag) {
 412         myIsDragging = true;
 413         myDragDone = false;
 414       }
 415       myPreviousDrawModeEnabled = aViewer->enableDrawMode(false);
 416       launchEditing();
 417       if (aFeature.get() != NULL) {
 418         std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 419                   std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 420         if (aSPFeature.get() &&
 421           (aSPFeature->getKind() == SketchPlugin_ConstraintRadius::ID() ||
 422            aSPFeature->getKind() == SketchPlugin_ConstraintAngle::ID())) {
 423           DataPtr aData = aSPFeature->data();
 424           AttributePtr aAttr = aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT());
 425           std::shared_ptr<GeomDataAPI_Point2D> aFPAttr =
 426             std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aAttr);
 427           aFPAttr->setValue(myCurrentPoint.myCurX, myCurrentPoint.myCurY);
 428         }
 429       }
 430     } else if (isSketchOpe && isEditing) {
 431       // If selected another object commit current result
 432       bool aPrevLaunchingState = myIsEditLaunching;
 433       /// store editing state for Edit operation in order to do not clear highlight by restart
 434       /// of edit operation.
 435       /// Internal edit should not be stored as editing operation as the result will be a
 436       /// creation operation, where previous selection should not be used(and will be cleared)
 437       myIsEditLaunching = !myModule->sketchReentranceMgr()->isInternalEditActive();
 438       aFOperation->commit();
 439
 440       if (aCanDrag) {
 441         myIsDragging = true;
 442         myDragDone = false;
 443       }
 444       myPreviousDrawModeEnabled = aViewer->enableDrawMode(false);
 445       launchEditing();
 446       myIsEditLaunching = aPrevLaunchingState;
 447       if (aFeature.get() != NULL) {
 448         std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 449                   std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 450         if (aSPFeature.get() &&
 451           (aSPFeature->getKind() == SketchPlugin_ConstraintRadius::ID() ||
 452            aSPFeature->getKind() == SketchPlugin_ConstraintAngle::ID())) {
 453           DataPtr aData = aSPFeature->data();
 454           AttributePtr aAttr = aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT());
 455           std::shared_ptr<GeomDataAPI_Point2D> aFPAttr =
 456             std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aAttr);
 457           aFPAttr->setValue(myCurrentPoint.myCurX, myCurrentPoint.myCurY);
 458         }
 459       }
 460     }
 461   }
 462 }
 463
 464 void PartSet_SketcherMgr::onMouseReleased(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 465 {
 466   bool aWasDragging = myIsDragging;
 467   myIsDragging = false;
 468
 469   if (myModule->sketchReentranceMgr()->processMouseReleased(theWnd, theEvent)) {
 470     return;
 471   }
 472   // if mouse is pressed when it was over view and at release the mouse is out of view, do nothing
 473   if (!myIsMouseOverViewProcessed) {
 474     return;
 475   }
 476   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
 477   ModuleBase_IViewer* aViewer = aWorkshop->viewer();
 478   //if (!aViewer->canDragByMouse())
 479   //  return;
 480   ModuleBase_OperationFeature* aOp = dynamic_cast<ModuleBase_OperationFeature*>(getCurrentOperation());
 481   if (aOp) {
 482     bool aStartNoDragOperation = !aViewer->canDragByMouse() && aOp->isEditOperation();
 483     if (aStartNoDragOperation || myNoDragMoving) {
 484       // Process edit operation without dragging
 485       if (myCurrentSelection.size() > 0)
 486         myNoDragMoving = !myNoDragMoving;
 487       else
 488         myNoDragMoving = false;
 489       if (myNoDragMoving)
 490         return;
 491       else {
 492         restoreSelection(myCurrentSelection);
 493         myCurrentSelection.clear();
 494       }
 495     }
 496     else {
 497       if (isNestedSketchOperation(aOp)) {
 498         // Only for sketcher operations
 499         if (aWasDragging) {
 500           if (myDragDone) {
 501             /// the previous selection is lost by mouse release in the viewer(Select method), but
 502             /// it is still stored in myCurrentSelection. So, it is possible to restore selection
 503             /// It is important for drag(edit with mouse) of sketch entities.
 504             restoreSelection(myCurrentSelection);
 505             myCurrentSelection.clear();
 506           }
 507         }
 508       }
 509     }
 510   }
 511
 512   aWorkshop->viewer()->enableDrawMode(myPreviousDrawModeEnabled);
 513
 514   ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
 515   PartSet_MouseProcessor* aProcessor = dynamic_cast<PartSet_MouseProcessor*>(anActiveWidget);
 516   if (aProcessor)
 517     aProcessor->mouseReleased(theWnd, theEvent);
 518 }
 519
 520 void PartSet_SketcherMgr::onMouseMoved(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 521 {
 522 #ifdef DEBUG_SKETCH_ENTITIES_ON_MOVE
 523   CompositeFeaturePtr aSketch = activeSketch();
 524   if (aSketch.get()) {
 525     std::cout << "mouse move SKETCH FEATURES [" << aSketch->numberOfSubs() << "]:" << std::endl;
 526     QStringList anInfo;
 527     for (int i = 0, aNbSubs = aSketch->numberOfSubs(); i < aNbSubs; i++) {
 528       //std::cout << getFeatureInfo(aSketch->subFeature(i), false) << std::endl;
 529       anInfo.append(ModuleBase_Tools::objectInfo(aSketch->subFeature(i)));
 530     }
 531     QString anInfoStr = anInfo.join("\n");
 532     qDebug(QString("%1").arg(anInfo.size()).arg(anInfoStr).toStdString().c_str());
 533   }
 534 #endif
 535   if (myModule->sketchReentranceMgr()->processMouseMoved(theWnd, theEvent))
 536     return;
 537
 538   if (isNestedCreateOperation(getCurrentOperation(), activeSketch())) {
 539 #ifdef DRAGGING_DEBUG
 540     QTime t;
 541     t.start();
 542 #endif
 543     // 1. perform the widget mouse move functionality and display the presentation
 544     // the mouse move should be processed in the widget, if it can in order to visualize correct
 545     // presentation. These widgets correct the feature attribute according to the mouse position
 546     ModuleBase_ModelWidget* anActiveWidget = myModule->activeWidget();
 547     PartSet_MouseProcessor* aProcessor = dynamic_cast<PartSet_MouseProcessor*>(anActiveWidget);
 548     if (aProcessor)
 549       aProcessor->mouseMoved(theWnd, theEvent);
 550     if (!myIsMouseOverViewProcessed) {
 551       myIsMouseOverViewProcessed = true;
 552
 553       // the feature is to be erased here, but it is correct to call canDisplayObject because
 554       // there can be additional check (e.g. editor widget in distance constraint)
 555       ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 556         (getCurrentOperation());
 557       if (aFOperation) {
 558         FeaturePtr aFeature = aFOperation->feature();
 559         visualizeFeature(aFeature, aFOperation->isEditOperation(), canDisplayObject(aFeature));
 560       }
 561     }
 562 #ifdef DRAGGING_DEBUG
 563     cout << "Mouse move processing " << t.elapsed() << endl;
 564 #endif
 565   }
 566   //myClickedPoint.clear();
 567
 568   if (myIsDragging || myNoDragMoving) {
 569     // 1. the current selection is saved in the mouse press method in order to restore it after
 570     //    moving
 571     // 2. the enable selection in the viewer should be temporary switched off in order to ignore
 572     // mouse press signal in the viewer(it call Select for AIS context and the dragged objects are
 573     // deselected). This flag should be restored in the slot, processed the mouse release signal.
 574     ModuleBase_Operation* aCurrentOperation = getCurrentOperation();
 575     if (!aCurrentOperation)
 576       return;
 577     if (isSketchOperation(aCurrentOperation))
 578       return; // No edit operation activated
 579
 580     Handle(V3d_View) aView = theWnd->v3dView();
 581     gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), aView);
 582     Point aMousePnt;
 583     get2dPoint(theWnd, theEvent, aMousePnt);
 584
 585     std::shared_ptr<GeomAPI_Pnt2d> anOriginalPosition = std::shared_ptr<GeomAPI_Pnt2d>(
 586       new GeomAPI_Pnt2d(myCurrentPoint.myCurX, myCurrentPoint.myCurY));
 587     std::shared_ptr<GeomAPI_Pnt2d> aCurrentPosition = std::shared_ptr<GeomAPI_Pnt2d>(
 588       new GeomAPI_Pnt2d(aMousePnt.myCurX, aMousePnt.myCurY));
 589
 590     ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
 591     XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
 592     XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 593     // 3. the flag to disable the update viewer should be set in order to avoid blinking in the
 594     // viewer happens by deselect/select the modified objects. The flag should be restored after
 595     // the selection processing. The update viewer should be also called.
 596     bool isEnableUpdateViewer = aDisplayer->enableUpdateViewer(false);
 597
 598     static Events_ID aMoveEvent = Events_Loop::eventByName(EVENT_OBJECT_MOVED);
 599     //static Events_ID aUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
 600     FeatureToSelectionMap::const_iterator anIt = myCurrentSelection.begin(),
 601       aLast = myCurrentSelection.end();
 602     // 4. the features and attributes modification(move)
 603     bool isModified = false;
 604     for (; anIt != aLast; anIt++) {
 605       FeaturePtr aFeature = anIt.key();
 606
 607       std::set<AttributePtr> anAttributes = anIt.value().myAttributes;
 608       // Process selection by attribute: the priority to the attribute
 609       if (!anAttributes.empty()) {
 610         std::set<AttributePtr>::const_iterator anAttIt = anAttributes.begin(),
 611           anAttLast = anAttributes.end();
 612         for (; anAttIt != anAttLast; anAttIt++) {
 613           AttributePtr anAttr = *anAttIt;
 614           if (anAttr.get() == NULL)
 615             continue;
 616           std::string aAttrId = anAttr->id();
 617           DataPtr aData = aFeature->data();
 618           if (aData->isValid()) {
 619             std::shared_ptr<GeomDataAPI_Point2D> aPoint =
 620               std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(aAttrId));
 621             if (aPoint.get() != NULL) {
 622               bool isImmutable = aPoint->setImmutable(true);
 623
 624               std::shared_ptr<ModelAPI_ObjectMovedMessage> aMessage = std::shared_ptr
 625                 <ModelAPI_ObjectMovedMessage>(new ModelAPI_ObjectMovedMessage(this));
 626               aMessage->setMovedAttribute(aPoint);
 627               aMessage->setOriginalPosition(anOriginalPosition);
 628               aMessage->setCurrentPosition(aCurrentPosition);
 629               Events_Loop::loop()->send(aMessage);
 630
 631               isModified = true;
 632               aPoint->setImmutable(isImmutable);
 633             }
 634           }
 635         }
 636       }
 637       else {
 638         // Process selection by feature
 639         std::shared_ptr<SketchPlugin_Feature> aSketchFeature =
 640           std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 641         if (aSketchFeature) {
 642           std::shared_ptr<ModelAPI_ObjectMovedMessage> aMessage = std::shared_ptr
 643             <ModelAPI_ObjectMovedMessage>(new ModelAPI_ObjectMovedMessage(this));
 644           aMessage->setMovedObject(aFeature);
 645           aMessage->setOriginalPosition(anOriginalPosition);
 646           aMessage->setCurrentPosition(aCurrentPosition);
 647           Events_Loop::loop()->send(aMessage);
 648           isModified = true;
 649         }
 650       }
 651     }
 652     // the modified state of the current operation should be updated if there are features, which
 653     // were changed here
 654     if (isModified) {
 655       aCurrentOperation->onValuesChanged();
 656       Events_Loop::loop()->flush(aMoveEvent); // up all move events - to be processed in the solver
 657     }
 658     //Events_Loop::loop()->flush(aUpdateEvent); // up update events - to redisplay presentations
 659
 660     // 5. it is necessary to save current selection in order to restore it after the features moving
 661     restoreSelection(myCurrentSelection);
 662     // 6. restore the update viewer flag and call this update
 663     aDisplayer->enableUpdateViewer(isEnableUpdateViewer);
 664     aDisplayer->updateViewer();
 665
 666     myDragDone = true;
 667     myCurrentPoint = aMousePnt;
 668   }
 669 }
 670
 671 void PartSet_SketcherMgr::onMouseDoubleClick(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 672 {
 673   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 674                                                                (getCurrentOperation());
 675   if (aFOperation && aFOperation->isEditOperation()) {
 676     std::string aId = aFOperation->id().toStdString();
 677     if (isDistanceOperation(aFOperation))
 678     {
 679       // Activate dimension value editing on double click
 680       ModuleBase_IPropertyPanel* aPanel = aFOperation->propertyPanel();
 681       QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
 682       // Find corresponded widget to activate value editing
 683       foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
 684         std::string anId = aWgt->attributeID();
 685         if (anId == SketchPlugin_Constraint::VALUE() ||
 686           anId == SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID() ||
 687           anId == SketchPlugin_ConstraintDistanceAlongDir::DISTANCE_VALUE_ID()) {
 688           PartSet_WidgetEditor* anEditor = dynamic_cast<PartSet_WidgetEditor*>(aWgt);
 689           if (anEditor)
 690             anEditor->showPopupEditor();
 691           return;
 692         }
 693       }
 694     }
 695   }
 696 }
 697
 698 void PartSet_SketcherMgr::onApplicationStarted()
 699 {
 700   ModuleBase_IWorkshop* anIWorkshop = myModule->workshop();
 701   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(anIWorkshop);
 702   XGUI_Workshop* aWorkshop = aConnector->workshop();
 703   PartSet_SketcherReentrantMgr* aReentranceMgr = myModule->sketchReentranceMgr();
 704
 705   XGUI_PropertyPanel* aPropertyPanel = aWorkshop->propertyPanel();
 706   if (aPropertyPanel) {
 707     //connect(aPropertyPanel, SIGNAL(beforeWidgetActivated(ModuleBase_ModelWidget*)),
 708     //        this, SLOT(onBeforeWidgetActivated(ModuleBase_ModelWidget*)));
 709
 710     connect(aPropertyPanel, SIGNAL(noMoreWidgets(const std::string&)),
 711             aReentranceMgr, SLOT(onNoMoreWidgets(const std::string&)));
 712     //connect(aPropertyPanel, SIGNAL(widgetActivated(ModuleBase_ModelWidget*)),
 713     //        aReentranceMgr, SLOT(onWidgetActivated()));
 714   }
 715
 716   XGUI_ViewerProxy* aViewerProxy = aWorkshop->viewer();
 717   connect(aViewerProxy, SIGNAL(enterViewPort()), this, SLOT(onEnterViewPort()));
 718   connect(aViewerProxy, SIGNAL(leaveViewPort()), this, SLOT(onLeaveViewPort()));
 719
 720   XGUI_ContextMenuMgr* aContextMenuMgr = aWorkshop->contextMenuMgr();
 721   connect(aContextMenuMgr, SIGNAL(beforeContextMenu()), this, SLOT(onBeforeContextMenu()));
 722   connect(aContextMenuMgr, SIGNAL(afterContextMenu()), this, SLOT(onAfterContextMenu()));
 723 }
 724
 725 //void PartSet_SketcherMgr::onBeforeWidgetActivated(ModuleBase_ModelWidget* theWidget)
 726 //{
 727   //if (!myClickedPoint.myIsInitialized)
 728   //  return;
 729
 730   //ModuleBase_Operation* aOperation = getCurrentOperation();
 731   // the distance constraint feature should not use the clickedd point
 732   // this is workaround in order to don't throw down the flyout point value,
 733   // set by execute() method of these type of features
 734   //if (isDistanceOperation(aOperation))
 735   //  return;
 736
 737   //PartSet_WidgetPoint2D* aPnt2dWgt = dynamic_cast<PartSet_WidgetPoint2D*>(theWidget);
 738   //if (aPnt2dWgt) {
 739   //  aPnt2dWgt->setPoint(myClickedPoint.myCurX, myClickedPoint.myCurY);
 740   //}
 741 //}
 742
 743 void PartSet_SketcherMgr::onBeforeContextMenu()
 744 {
 745   myIsPopupMenuActive = true;
 746 }
 747
 748 void PartSet_SketcherMgr::onAfterContextMenu()
 749 {
 750   myIsPopupMenuActive = false;
 751 }
 752
 753 void PartSet_SketcherMgr::get2dPoint(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent,
 754                                      Point& thePoint)
 755 {
 756   Handle(V3d_View) aView = theWnd->v3dView();
 757   gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), aView);
 758   double aX, anY;
 759   PartSet_Tools::convertTo2D(aPoint, myCurrentSketch, aView, aX, anY);
 760   thePoint.setValue(aX, anY);
 761 }
 762
 763 void PartSet_SketcherMgr::launchEditing()
 764 {
 765   if (!myCurrentSelection.empty()) {
 766     FeaturePtr aFeature = myCurrentSelection.begin().key();
 767     std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 768               std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 769     if (aSPFeature) {
 770       if (!aSPFeature->isExternal())
 771         myModule->editFeature(aSPFeature);
 772       else {
 773         // need to edit a feature (Projection/IntersectionPoint),
 774         // which produces current External feature
 775         FeaturePtr aProducerFeature = PartSet_Tools::findRefsToMeFeature(aFeature,
 776                                                         SketchPlugin_Projection::ID());
 777         if (!aProducerFeature.get())
 778           aProducerFeature = PartSet_Tools::findRefsToMeFeature(aFeature,
 779                                                         SketchPlugin_IntersectionPoint::ID());
 780         if (aProducerFeature.get())
 781           myModule->editFeature(aProducerFeature);
 782       }
 783     }
 784   }
 785 }
 786
 787 bool PartSet_SketcherMgr::sketchSolverError()
 788 {
 789   bool anError = false;
 790   CompositeFeaturePtr aSketch = activeSketch();
 791   if (aSketch.get()) {
 792     AttributeStringPtr aAttributeString = aSketch->string(SketchPlugin_Sketch::SOLVER_ERROR());
 793     anError = !aAttributeString->value().empty();
 794   }
 795   return anError;
 796 }
 797
 798 QString PartSet_SketcherMgr::getFeatureError(const FeaturePtr& theFeature)
 799 {
 800   QString anError;
 801   if (!theFeature.get() || !theFeature->data()->isValid())
 802     return anError;
 803
 804   CompositeFeaturePtr aSketch = activeSketch();
 805   if (aSketch.get() && aSketch == theFeature) {
 806     std::string aSolverError = aSketch->string(SketchPlugin_Sketch::SOLVER_ERROR())->value();
 807     anError = ModuleBase_Tools::translate(aSketch->getKind(), aSolverError);
 808   }
 809   return anError;
 810 }
 811
 812 void PartSet_SketcherMgr::clearClickedFlags()
 813 {
 814   //myClickedPoint.clear();
 815   myCurrentPoint.clear();
 816 }
 817
 818 const QStringList& PartSet_SketcherMgr::replicationsIdList()
 819 {
 820   static QStringList aReplicationIds;
 821   if (aReplicationIds.size() == 0) {
 822     aReplicationIds << SketchPlugin_ConstraintMirror::ID().c_str();
 823     aReplicationIds << SketchPlugin_MultiRotation::ID().c_str();
 824     aReplicationIds << SketchPlugin_MultiTranslation::ID().c_str();
 825   }
 826   return aReplicationIds;
 827 }
 828
 829 const QStringList& PartSet_SketcherMgr::constraintsIdList()
 830 {
 831   static QStringList aConstraintIds;
 832   if (aConstraintIds.size() == 0) {
 833     aConstraintIds << SketchPlugin_ConstraintLength::ID().c_str();
 834     aConstraintIds << SketchPlugin_ConstraintDistance::ID().c_str();
 835     aConstraintIds << SketchPlugin_ConstraintRigid::ID().c_str();
 836     aConstraintIds << SketchPlugin_ConstraintRadius::ID().c_str();
 837     aConstraintIds << SketchPlugin_ConstraintPerpendicular::ID().c_str();
 838     aConstraintIds << SketchPlugin_ConstraintParallel::ID().c_str();
 839     aConstraintIds << SketchPlugin_ConstraintHorizontal::ID().c_str();
 840     aConstraintIds << SketchPlugin_ConstraintVertical::ID().c_str();
 841     aConstraintIds << SketchPlugin_ConstraintEqual::ID().c_str();
 842     aConstraintIds << SketchPlugin_ConstraintTangent::ID().c_str();
 843     aConstraintIds << SketchPlugin_ConstraintCoincidence::ID().c_str();
 844     aConstraintIds << SketchPlugin_ConstraintAngle::ID().c_str();
 845     aConstraintIds << SketchPlugin_ConstraintCollinear::ID().c_str();
 846     aConstraintIds << SketchPlugin_ConstraintMiddle::ID().c_str();
 847     aConstraintIds << SketchPlugin_ConstraintMirror::ID().c_str();
 848     aConstraintIds << SketchPlugin_MultiTranslation::ID().c_str();
 849     aConstraintIds << SketchPlugin_MultiRotation::ID().c_str();
 850     aConstraintIds << SketchPlugin_ConstraintDistanceAlongDir::ID().c_str();
 851     aConstraintIds << SketchPlugin_ConstraintDistanceHorizontal::ID().c_str();
 852     aConstraintIds << SketchPlugin_ConstraintDistanceVertical::ID().c_str();
 853   }
 854   return aConstraintIds;
 855 }
 856
 857 void PartSet_SketcherMgr::sketchSelectionModes(const CompositeFeaturePtr& theSketch,
 858                                                QIntList& theModes)
 859 {
 860   if (!theSketch.get() || !PartSet_Tools::sketchPlane(theSketch).get())
 861     return;
 862
 863   theModes.append(SketcherPrs_Tools::Sel_Dimension_Text);
 864   theModes.append(SketcherPrs_Tools::Sel_Dimension_Line);
 865   theModes.append(SketcherPrs_Tools::Sel_Constraint);
 866   theModes.append(TopAbs_VERTEX);
 867   theModes.append(TopAbs_EDGE);
 868 }
 869
 870 Handle(AIS_InteractiveObject) PartSet_SketcherMgr::createPresentation(const ResultPtr& theResult)
 871 {
 872   Handle(AIS_InteractiveObject) aPrs;
 873
 874   FeaturePtr aFeature = ModelAPI_Feature::feature(theResult);
 875   if (aFeature.get() && aFeature->getKind() == SketchPlugin_Sketch::ID()) {
 876     aPrs = new PartSet_ResultSketchPrs(theResult);
 877   }
 878   return aPrs;
 879 }
 880
 881 bool PartSet_SketcherMgr::isSketchOperation(ModuleBase_Operation* theOperation)
 882 {
 883   return theOperation && theOperation->id().toStdString() == SketchPlugin_Sketch::ID();
 884 }
 885
 886 bool PartSet_SketcherMgr::isNestedSketchOperation(ModuleBase_Operation* theOperation) const
 887 {
 888   bool aNestedSketch = false;
 889
 890   FeaturePtr anActiveSketch = activeSketch();
 891   if (anActiveSketch.get() && theOperation) {
 892     ModuleBase_Operation* aSketchOperation = operationMgr()->findOperation(
 893                                                               anActiveSketch->getKind().c_str());
 894     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 895                                                                                   (theOperation);
 896     if (aSketchOperation && aFOperation) {
 897       FeaturePtr aFeature = aFOperation->feature();
 898       if (aFeature.get()) {
 899         QStringList aGrantedOpIds = aSketchOperation->grantedOperationIds();
 900         aNestedSketch = aGrantedOpIds.contains(aFeature->getKind().c_str());
 901       }
 902     }
 903   }
 904   return aNestedSketch;
 905 }
 906
 907 bool PartSet_SketcherMgr::isNestedSketchFeature(const QString& theFeatureKind) const
 908 {
 909   bool aNestedSketch = false;
 910
 911   FeaturePtr anActiveSketch = activeSketch();
 912   if (anActiveSketch.get()) {
 913     ModuleBase_Operation* aSketchOperation = operationMgr()->findOperation(
 914                                                               anActiveSketch->getKind().c_str());
 915     if (aSketchOperation) {
 916       QStringList aGrantedOpIds = aSketchOperation->grantedOperationIds();
 917       aNestedSketch = aGrantedOpIds.contains(theFeatureKind);
 918     }
 919   }
 920   return aNestedSketch;
 921 }
 922
 923 bool PartSet_SketcherMgr::isNestedCreateOperation(ModuleBase_Operation* theOperation,
 924                                                   const CompositeFeaturePtr& theSketch) const
 925 {
 926   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 927                                                                (theOperation);
 928   return aFOperation && !aFOperation->isEditOperation() &&
 929          isNestedSketchOperation(aFOperation);
 930 }
 931
 932 bool PartSet_SketcherMgr::isNestedEditOperation(ModuleBase_Operation* theOperation,
 933                                                 const CompositeFeaturePtr& theSketch) const
 934 {
 935   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 936                                                                (theOperation);
 937   return aFOperation && aFOperation->isEditOperation() &&
 938     isNestedSketchOperation(aFOperation);
 939 }
 940
 941 bool PartSet_SketcherMgr::isEntity(const std::string& theId)
 942 {
 943   return (theId == SketchPlugin_Line::ID()) ||
 944          (theId == SketchPlugin_Point::ID()) ||
 945          (theId == SketchPlugin_Arc::ID()) ||
 946          (theId == SketchPlugin_Circle::ID());
 947 }
 948
 949 bool PartSet_SketcherMgr::isExternalFeature(const FeaturePtr& theFeature)
 950 {
 951   std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 952           std::dynamic_pointer_cast<SketchPlugin_Feature>(theFeature);
 953   return aSPFeature.get() && aSPFeature->isExternal();
 954 }
 955
 956 bool PartSet_SketcherMgr::isDistanceOperation(ModuleBase_Operation* theOperation)
 957 {
 958   std::string anId = theOperation ? theOperation->id().toStdString() : "";
 959
 960   return isDistanceKind(anId);
 961 }
 962
 963 bool PartSet_SketcherMgr::isDistanceKind(std::string& theKind)
 964 {
 965   return (theKind == SketchPlugin_ConstraintLength::ID()) ||
 966          (theKind == SketchPlugin_ConstraintDistance::ID()) ||
 967          (theKind == SketchPlugin_ConstraintRadius::ID()) ||
 968          (theKind == SketchPlugin_ConstraintAngle::ID()) ||
 969          (theKind == SketchPlugin_ConstraintDistanceHorizontal::ID()) ||
 970          (theKind == SketchPlugin_ConstraintDistanceVertical::ID()) ||
 971          (theKind == SketchPlugin_ConstraintDistanceAlongDir::ID());
 972 }
 973
 974 void PartSet_SketcherMgr::startSketch(ModuleBase_Operation* theOperation)
 975 {
 976   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 977                                                                (getCurrentOperation());
 978   if (!aFOperation)
 979     return;
 980
 981   myModule->onViewTransformed();
 982
 983   // Display all sketcher sub-Objects
 984   myCurrentSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFOperation->feature());
 985   double aSizeOfView = 0;
 986   std::shared_ptr<GeomAPI_Pnt> aCentralPoint;
 987   if (aFOperation->isEditOperation() &&
 988       mySketchPlane->getDefaultSizeOfView(myCurrentSketch, aSizeOfView, aCentralPoint)) {
 989     mySketchPlane->setSizeOfView(aSizeOfView, true, aCentralPoint);
 990   }
 991
 992   mySketchPlane->createSketchPlane(myCurrentSketch, myModule->workshop());
 993   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myModule->workshop());
 994
 995   // Hide sketcher result
 996   std::list<ResultPtr> aResults = myCurrentSketch->results();
 997   std::list<ResultPtr>::const_iterator aIt;
 998   for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
 999     (*aIt)->setDisplayed(false);
1000   }
1001   myCurrentSketch->setDisplayed(false);
1002
1003   // Remove invalid sketch entities
1004   std::set<FeaturePtr> anInvalidFeatures;
1005   ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
1006   int aNumberOfSubs = myCurrentSketch->numberOfSubs();
1007   for (int i = 0; i < aNumberOfSubs; i++) {
1008     FeaturePtr aFeature = myCurrentSketch->subFeature(i);
1009     if (aFeature.get()) {
1010       if (!aFactory->validate(aFeature))
1011         anInvalidFeatures.insert(aFeature);
1012     }
1013   }
1014   if (!anInvalidFeatures.empty()) {
1015     std::map<FeaturePtr, std::set<FeaturePtr> > aReferences;
1016     ModelAPI_Tools::findAllReferences(anInvalidFeatures, aReferences, false);
1017
1018     std::set<FeaturePtr>::const_iterator anIt = anInvalidFeatures.begin(),
1019                                          aLast = anInvalidFeatures.end();
1020     // separate features to references to parameter features and references to others
1021     QStringList anInvalidFeatureNames;
1022     for (; anIt != aLast; anIt++) {
1023       FeaturePtr aFeature = *anIt;
1024       if (aFeature.get())
1025         anInvalidFeatureNames.append(aFeature->name().c_str());
1026     }
1027     std::string aPrefixInfo = QString("Invalid features of the sketch will be deleted: %1.\n\n").
1028                                   arg(anInvalidFeatureNames.join(", ")).toStdString().c_str();
1029     std::set<FeaturePtr> aFeatureRefsToDelete;
1030     if (ModuleBase_Tools::askToDelete(anInvalidFeatures, aReferences, aConnector->desktop(),
1031                                       aFeatureRefsToDelete, aPrefixInfo)) {
1032       if (!aFeatureRefsToDelete.empty())
1033         anInvalidFeatures.insert(aFeatureRefsToDelete.begin(), aFeatureRefsToDelete.end());
1034       ModelAPI_Tools::removeFeatures(anInvalidFeatures, true);
1035       Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
1036       // TODO: call the next method in the XGUI_OperationMgr::onOperationStarted().
1037       workshop()->errorMgr()->updateAcceptAllAction(myCurrentSketch);
1038     }
1039   }
1040
1041   // update state of overconstraint listener should be done before sketch features/results
1042   // display (as the display will ask custom color from the listener)
1043   myModule->overconstraintListener()->setActive(true);
1044   // Display sketcher objects
1045   QStringList anInfo;
1046   Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
1047   const ModelAPI_EventCreator* aECreator = ModelAPI_EventCreator::get();
1048   aNumberOfSubs = myCurrentSketch->numberOfSubs();
1049   for (int i = 0; i < aNumberOfSubs; i++) {
1050     FeaturePtr aFeature = myCurrentSketch->subFeature(i);
1051 #ifdef DEBUG_SKETCHER_ENTITIES
1052     anInfo.append(ModuleBase_Tools::objectInfo(aFeature));
1053 #endif
1054     std::list<ResultPtr> aResults = aFeature->results();
1055     std::list<ResultPtr>::const_iterator aIt;
1056     for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
1057       if ((*aIt)->isDisplayed())
1058         // Display object if it was created outside of GUI
1059         aECreator->sendUpdated((*aIt), EVENT_DISP);
1060       else
1061         (*aIt)->setDisplayed(true);
1062     }
1063     if (aFeature->isDisplayed())
1064       aECreator->sendUpdated(aFeature, EVENT_DISP);
1065     else
1066       aFeature->setDisplayed(true);
1067   }
1068 #ifdef DEBUG_SKETCHER_ENTITIES
1069   QString anInfoStr = anInfo.join(";\t");
1070   qDebug(QString("startSketch: %1, %2").arg(anInfo.size()).arg(anInfoStr).toStdString().c_str());
1071 #endif
1072
1073   bool aHasPlane = false;
1074   std::shared_ptr<GeomAPI_Pln> aPln;
1075   aPln = PartSet_Tools::sketchPlane(myCurrentSketch);
1076   Handle(SelectMgr_Filter) aFilter = myModule->selectionFilter(SF_SketchPlaneFilter);
1077   if (!aFilter.IsNull())
1078     Handle(ModuleBase_ShapeInPlaneFilter)::DownCast(aFilter)->setPlane(aPln);
1079
1080   workshop()->selectionActivate()->updateSelectionFilters();
1081   workshop()->selectionActivate()->updateSelectionModes();
1082
1083   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1084
1085   myExternalPointsMgr = new PartSet_ExternalPointsMgr(myModule->workshop(), myCurrentSketch);
1086
1087   workshop()->viewer()->set2dMode(true);
1088 }
1089
1090 void PartSet_SketcherMgr::stopSketch(ModuleBase_Operation* theOperation)
1091 {
1092   myIsMouseOverWindow = false;
1093   myIsConstraintsShown[PartSet_Tools::Geometrical] = true;
1094   myIsConstraintsShown[PartSet_Tools::Dimensional] = true;
1095   myIsConstraintsShown[PartSet_Tools::Expressions] = false;
1096
1097   if (myExternalPointsMgr) {
1098     delete myExternalPointsMgr;
1099     myExternalPointsMgr = 0;
1100   }
1101   onShowPoints(false);
1102
1103   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myModule->workshop());
1104
1105   DataPtr aData = myCurrentSketch->data();
1106   if (!aData->isValid()) {
1107     XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
1108     // The sketch was aborted
1109     myCurrentSketch = CompositeFeaturePtr();
1110     mySketchPlane->eraseSketchPlane(myModule->workshop());
1111
1112     // Erase all sketcher objects
1113     QObjectPtrList aObjects = aDisplayer->displayedObjects();
1114     foreach (ObjectPtr aObj, aObjects) {
1115       DataPtr aObjData = aObj->data();
1116       if (!aObjData->isValid())
1117         aObj->setDisplayed(false);
1118     }
1119   }
1120   else {
1121     // Hide all sketcher sub-Objects
1122     int aNumberOfSubs = myCurrentSketch->numberOfSubs();
1123     for (int i = 0; i < aNumberOfSubs; i++) {
1124       FeaturePtr aFeature = myCurrentSketch->subFeature(i);
1125       std::list<ResultPtr> aResults = aFeature->results();
1126       std::list<ResultPtr>::const_iterator aIt;
1127       for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
1128         (*aIt)->setDisplayed(false);
1129       }
1130       aFeature->setDisplayed(false);
1131     }
1132     // Display sketcher result
1133     std::list<ResultPtr> aResults = myCurrentSketch->results();
1134     std::list<ResultPtr>::const_iterator aIt;
1135     Events_Loop* aLoop = Events_Loop::loop();
1136     static Events_ID aDispEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
1137
1138     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1139                                                                            (theOperation);
1140     for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
1141       if (!aFOperation->isDisplayedOnStart(*aIt)) {
1142         (*aIt)->setDisplayed(true);
1143         // this display event is needed because sketch already may have "displayed" state,
1144         // but not displayed while it is still active (issue 613, abort of existing sketch)
1145         ModelAPI_EventCreator::get()->sendUpdated(*aIt, aDispEvent);
1146       }
1147     }
1148     if (!aFOperation->isDisplayedOnStart(myCurrentSketch))
1149       myCurrentSketch->setDisplayed(true);
1150
1151     myCurrentSketch = CompositeFeaturePtr();
1152     mySketchPlane->eraseSketchPlane(myModule->workshop());
1153
1154     Events_Loop::loop()->flush(aDispEvent);
1155   }
1156   workshop()->selectionActivate()->updateSelectionFilters();
1157   workshop()->selectionActivate()->updateSelectionModes();
1158   workshop()->viewer()->set2dMode(false);
1159 }
1160
1161 void PartSet_SketcherMgr::startNestedSketch(ModuleBase_Operation* theOperation)
1162 {
1163   if (canChangeCursor(theOperation) && myIsMouseOverWindow) {
1164     QCursor* aCurrentCursor = QApplication::overrideCursor();
1165     if (!aCurrentCursor || aCurrentCursor->shape() != Qt::CrossCursor) {
1166       QApplication::setOverrideCursor(QCursor(Qt::CrossCursor));
1167 #ifdef DEBUG_CURSOR
1168       qDebug("startNestedSketch() : Qt::CrossCursor");
1169 #endif
1170     }
1171   }
1172 }
1173
1174 void PartSet_SketcherMgr::stopNestedSketch(ModuleBase_Operation* theOperation)
1175 {
1176   myIsMouseOverViewProcessed = true;
1177   operationMgr()->onValidateOperation();
1178   // when sketch nested operation is stopped the cursor should be restored unconditionally
1179   //if (canChangeCursor(theOperation)) {
1180     QApplication::restoreOverrideCursor();
1181 #ifdef DEBUG_CURSOR
1182     qDebug("stopNestedSketch() : None");
1183 #endif
1184   //}
1185   /// improvement to deselect automatically all eventual selected objects, when
1186   // returning to the neutral point of the Sketcher
1187   bool isClearSelectionPossible = true;
1188   if (myIsEditLaunching) {
1189     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1190                                                                           (theOperation);
1191     if (aFOperation) {
1192       FeaturePtr aFeature = aFOperation->feature();
1193       if (aFeature.get() && PartSet_SketcherMgr::isEntity(aFeature->getKind())) {
1194         isClearSelectionPossible = false;
1195       }
1196     }
1197   }
1198   if (isClearSelectionPossible)
1199     workshop()->selector()->clearSelection();
1200   if (myPointsHighlight.size())
1201     onShowPoints(true);
1202 }
1203
1204 void PartSet_SketcherMgr::commitNestedSketch(ModuleBase_Operation* theOperation)
1205 {
1206   if (isNestedCreateOperation(theOperation, activeSketch())) {
1207     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1208                                                                              (theOperation);
1209     if (aFOperation) {
1210       FeaturePtr aFeature = aFOperation->feature();
1211       // it is necessary to check the the feature data validity because
1212       // some kind of features are removed by an operation commit(the macro state of a feature)
1213       if (aFeature.get() && aFeature->data()->isValid()) {
1214         visualizeFeature(aFeature, aFOperation->isEditOperation(), true);
1215       }
1216     }
1217   }
1218 }
1219
1220 bool PartSet_SketcherMgr::sketchSelectionFilter(const XGUI_SelectionFilterType theFilterType)
1221 {
1222   return mySelectionFilterTypes.find(theFilterType) != mySelectionFilterTypes.end();
1223 }
1224
1225 void PartSet_SketcherMgr::registerSelectionFilter(const XGUI_SelectionFilterType theFilterType,
1226                                                   const Handle(SelectMgr_Filter)& theFilter)
1227 {
1228   mySelectionFilterTypes.insert(theFilterType);
1229   myModule->registerSelectionFilter(theFilterType, theFilter);
1230 }
1231
1232 bool PartSet_SketcherMgr::operationActivatedByPreselection()
1233 {
1234   bool isOperationStopped = false;
1235   ModuleBase_Operation* anOperation = getCurrentOperation();
1236   if(anOperation && isNestedSketchOperation(anOperation)) {
1237     // Set final definitions if they are necessary
1238     //propertyPanelDefined(aOperation);
1239     /// Commit sketcher operations automatically
1240     /// distance operation are able to show popup editor to modify the distance value
1241     /// after entering the value, the operation should be committed/aborted(by Esc key)
1242     bool aCanCommitOperation = true;
1243     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1244                                                                             (anOperation);
1245     if (aFOperation && PartSet_SketcherMgr::isDistanceOperation(aFOperation)) {
1246       bool aValueAccepted = setDistanceValueByPreselection(anOperation, myModule->workshop(),
1247                                                            aCanCommitOperation);
1248       if (!aValueAccepted)
1249         return isOperationStopped;
1250     }
1251
1252     if (aCanCommitOperation)
1253       isOperationStopped = anOperation->commit();
1254     else {
1255       anOperation->abort();
1256       isOperationStopped = true;
1257     }
1258   }
1259   return isOperationStopped;
1260 }
1261
1262 bool PartSet_SketcherMgr::canUndo() const
1263 {
1264   return isNestedCreateOperation(getCurrentOperation(), activeSketch());
1265 }
1266
1267 bool PartSet_SketcherMgr::canRedo() const
1268 {
1269   return isNestedCreateOperation(getCurrentOperation(), activeSketch());
1270 }
1271
1272 bool PartSet_SketcherMgr::canEraseObject(const ObjectPtr& theObject) const
1273 {
1274   bool aCanErase = true;
1275   // when the sketch operation is active, results of sketch sub-feature can not be hidden
1276   if (myCurrentSketch.get()) {
1277     return !isObjectOfSketch(theObject);
1278   }
1279   return aCanErase;
1280 }
1281
1282 bool PartSet_SketcherMgr::canDisplayObject(const ObjectPtr& theObject) const
1283 {
1284   bool aCanDisplay = true;
1285
1286   bool aHasActiveSketch = activeSketch().get() != NULL;
1287   if (aHasActiveSketch) {
1288     // 1. the sketch feature should not be displayed during the sketch active operation
1289     // it is hidden by a sketch operation start and shown by a sketch stop, just the sketch
1290     // nested features can be visualized
1291     FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
1292     if (aFeature.get() != NULL && aFeature == activeSketch()) {
1293       aCanDisplay = false;
1294     }
1295     std::shared_ptr<SketchPlugin_Feature> aSketchFeature =
1296                             std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
1297     /// some sketch entities should be never shown, e.g. projection feature
1298     if (aSketchFeature.get())
1299       aCanDisplay = aSketchFeature->canBeDisplayed();
1300   }
1301   else { // there are no an active sketch
1302     // 2. sketch sub-features should not be visualized if the sketch operation is not active
1303     FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
1304     if (aFeature.get() != NULL) {
1305       std::shared_ptr<SketchPlugin_Feature> aSketchFeature =
1306                               std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
1307       if (aSketchFeature.get()) {
1308         aCanDisplay = false;
1309       }
1310     }
1311   }
1312
1313   // 3. the method should not filter the objects, which are not related to the current operation.
1314   // The object is filtered just if it is a current operation feature or this feature result
1315   if (aCanDisplay) {
1316     bool isObjectFound = false;
1317     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1318                                                                  (getCurrentOperation());
1319     if (aFOperation) {
1320       FeaturePtr aFeature = aFOperation->feature();
1321       if (aFeature.get()) {
1322         std::list<ResultPtr> aResults = aFeature->results();
1323         if (theObject == aFeature)
1324           isObjectFound = true;
1325         else {
1326           std::list<ResultPtr>::const_iterator anIt = aResults.begin(), aLast = aResults.end();
1327           for (; anIt != aLast && !isObjectFound; anIt++) {
1328             isObjectFound = *anIt == theObject;
1329           }
1330         }
1331       }
1332     }
1333     if (isObjectFound) {
1334       // 4. For created nested feature operation do not display the created feature if
1335       // the mouse curstor leaves the OCC window.
1336       // The correction cases, which ignores this condition:
1337       // a. the property panel values modification
1338       // b. the popup menu activated
1339       // c. widget editor control
1340       #ifndef DEBUG_DO_NOT_BY_ENTER
1341       if (isNestedCreateOperation(getCurrentOperation(), activeSketch())) {
1342         ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
1343         ModuleBase_WidgetEditor* anEditorWdg =
1344           anActiveWidget ? dynamic_cast<ModuleBase_WidgetEditor*>(anActiveWidget) : 0;
1345         // the active widget editor should not influence here. The presentation should be visible
1346         // always when this widget is active.
1347         if (!anEditorWdg && !myIsPopupMenuActive) {
1348           // during a nested create operation, the feature is redisplayed only
1349           // if the mouse over view
1350           // of there was a value modified in the property panel after the mouse left the view
1351           aCanDisplay = canDisplayCurrentCreatedFeature();
1352         }
1353       }
1354       #endif
1355     }
1356   }
1357
1358   // checks the sketcher constraints visibility according to active sketch check box states
1359   if (aCanDisplay) {
1360     bool aProcessed = false;
1361     FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
1362     if (aFeature.get()) {
1363       bool aConstraintDisplayed = canDisplayConstraint(aFeature, PartSet_Tools::Any, aProcessed);
1364       if (aProcessed)
1365         aCanDisplay = aConstraintDisplayed;
1366     }
1367   }
1368
1369   return aCanDisplay;
1370 }
1371
1372 bool PartSet_SketcherMgr::canDisplayConstraint(const FeaturePtr& theFeature,
1373                                              const PartSet_Tools::ConstraintVisibleState& theState,
1374                                              bool& isProcessed) const
1375 {
1376   bool aSwitchedOn = true;
1377
1378   const QStringList& aConstrIds = constraintsIdList();
1379
1380   std::string aKind = theFeature->getKind();
1381   if (aConstrIds.contains(QString(aKind.c_str()))) {
1382     bool isTypedConstraint = false;
1383
1384     switch (theState) {
1385       case PartSet_Tools::Dimensional: {
1386         bool isDistance = isDistanceKind(aKind);
1387         if (isDistance) {
1388           isProcessed = true;
1389           aSwitchedOn = myIsConstraintsShown[theState];
1390         }
1391       }
1392       break;
1393       case PartSet_Tools::Geometrical: {
1394         bool isGeometrical = !isDistanceKind(aKind);
1395         if (isGeometrical) {
1396           isProcessed = true;
1397           aSwitchedOn = myIsConstraintsShown[theState];
1398         }
1399       }
1400       break;
1401       case PartSet_Tools::Any: {
1402         isProcessed = true;
1403         bool isDistance = isDistanceKind(aKind);
1404         if (isDistance)
1405           aSwitchedOn = myIsConstraintsShown[PartSet_Tools::Dimensional];
1406         else
1407           aSwitchedOn = myIsConstraintsShown[PartSet_Tools::Geometrical];
1408       }
1409       break;
1410     default:
1411       break;
1412     }
1413   }
1414   return aSwitchedOn;
1415 }
1416
1417 /*void PartSet_SketcherMgr::processHiddenObject(const std::list<ObjectPtr>& theObjects)
1418 {
1419   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1420                                                                            (getCurrentOperation());
1421   if (aFOperation && myCurrentSketch.get()) {
1422     // find results of the current operation
1423     // these results should not be proposed to be deleted
1424     FeaturePtr anOperationFeature = aFOperation->feature();
1425     std::list<ResultPtr> anOperationResultList = anOperationFeature->results();
1426     std::set<ResultPtr> anOperationResults;
1427     std::list<ResultPtr>::const_iterator aRIt = anOperationResultList.begin(),
1428                                         aRLast = anOperationResultList.end();
1429     for (; aRIt != aRLast; aRIt++)
1430       anOperationResults.insert(*aRIt);
1431
1432     std::set<FeaturePtr> anObjectsToBeDeleted;
1433     QStringList anObjectsToBeDeletedNames;
1434     std::list<ObjectPtr>::const_iterator anIt = theObjects.begin(), aLast = theObjects.end();
1435     for (; anIt != aLast; anIt++) {
1436       ObjectPtr anObject = *anIt;
1437       bool aCanErase = true;
1438       // when the sketch operation is active, results of sketch sub-feature can not be hidden
1439       ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
1440       // the result is found between current feature results
1441       if (anOperationResults.find(aResult) != anOperationResults.end())
1442         continue;
1443
1444       if (aResult.get()) {
1445         // Display sketcher objects
1446         for (int i = 0; i < myCurrentSketch->numberOfSubs() && aCanErase; i++) {
1447           FeaturePtr aFeature = myCurrentSketch->subFeature(i);
1448           std::list<ResultPtr> aResults = aFeature->results();
1449           std::list<ResultPtr>::const_iterator anIt;
1450           for (anIt = aResults.begin(); anIt != aResults.end() && aCanErase; ++anIt) {
1451             aCanErase = *anIt != aResult;
1452           }
1453         }
1454       }
1455       if (!aCanErase) {
1456         FeaturePtr aFeature = ModelAPI_Feature::feature(anObject);
1457         if (aFeature.get() && anObjectsToBeDeleted.find(aFeature) == anObjectsToBeDeleted.end()) {
1458           anObjectsToBeDeleted.insert(aFeature);
1459           anObjectsToBeDeletedNames.append(aFeature->name().c_str());
1460         }
1461       }
1462     }
1463     if (!anObjectsToBeDeleted.empty()) {
1464       QString aFeatureNames = anObjectsToBeDeletedNames.join(", ");
1465       QString aMessage = tr("The following features have incorrect presentation and \
1466 will be hidden: %1. Would you like to delete them?")
1467                          .arg(aFeatureNames);
1468       int anAnswer = QMessageBox::question(qApp->activeWindow(), tr("Features hide"),
1469                                            aMessage, QMessageBox::Ok | QMessageBox::Cancel,
1470                                            QMessageBox::Cancel);
1471       if (anAnswer == QMessageBox::Ok) {
1472         QObjectPtrList anObjects;
1473         std::set<FeaturePtr>::const_iterator anIt = anObjectsToBeDeleted.begin(),
1474                                              aLast = anObjectsToBeDeleted.end();
1475         for (; anIt != aLast; anIt++)
1476           anObjects.append(*anIt);
1477         SessionPtr aMgr = ModelAPI_Session::get();
1478         DocumentPtr aDoc = aMgr->activeDocument();
1479         bool aIsOp = aMgr->isOperation();
1480         if (!aIsOp)
1481           aMgr->startOperation();
1482         workshop()->deleteFeatures(anObjects);
1483         //static Events_ID aDeletedEvent = Events_Loop::eventByName(EVENT_OBJECT_DELETED);
1484         //static Events_ID aRedispEvent = Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY);
1485         //Events_Loop::loop()->flush(aDeletedEvent);
1486         //Events_Loop::loop()->flush(aRedispEvent);
1487
1488         if (!aIsOp)
1489           aMgr->finishOperation();
1490       }
1491     }
1492   }
1493 }*/
1494
1495 bool PartSet_SketcherMgr::canDisplayCurrentCreatedFeature() const
1496 {
1497   bool aCanDisplay = myIsMouseOverWindow;
1498   if (!aCanDisplay) {
1499     ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
1500     if (anActiveWidget)
1501       aCanDisplay = anActiveWidget->getValueState() == ModuleBase_ModelWidget::Stored;
1502   }
1503   return aCanDisplay;
1504 }
1505
1506 bool PartSet_SketcherMgr::canChangeCursor(ModuleBase_Operation* theOperation) const
1507 {
1508   return isNestedCreateOperation(theOperation, activeSketch()) ||
1509          myModule->sketchReentranceMgr()->isInternalEditActive();
1510 }
1511
1512 const QMap<PartSet_Tools::ConstraintVisibleState, bool>& PartSet_SketcherMgr::showConstraintStates()
1513 {
1514   return myIsConstraintsShown;
1515 }
1516
1517 bool PartSet_SketcherMgr::isObjectOfSketch(const ObjectPtr& theObject) const
1518 {
1519   bool isFoundObject = false;
1520
1521   FeaturePtr anObjectFeature = ModelAPI_Feature::feature(theObject);
1522   if (anObjectFeature.get()) {
1523     int aSize = myCurrentSketch->numberOfSubs();
1524     for (int i = 0; i < aSize && !isFoundObject; i++) {
1525       FeaturePtr aCurrentFeature = myCurrentSketch->subFeature(i);
1526       isFoundObject = myCurrentSketch->subFeature(i) == anObjectFeature;
1527     }
1528   }
1529   return isFoundObject;
1530 }
1531
1532 void PartSet_SketcherMgr::onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>& thePlane)
1533 {
1534   Handle(SelectMgr_Filter) aFilter = myModule->selectionFilter(SF_SketchPlaneFilter);
1535   if (!aFilter.IsNull())
1536     Handle(ModuleBase_ShapeInPlaneFilter)::DownCast(aFilter)->setPlane(thePlane);
1537
1538   workshop()->selectionActivate()->updateSelectionModes();
1539 }
1540
1541 bool PartSet_SketcherMgr::setDistanceValueByPreselection(ModuleBase_Operation* theOperation,
1542                                                          ModuleBase_IWorkshop* theWorkshop,
1543                                                          bool& theCanCommitOperation)
1544 {
1545   bool isValueAccepted = false;
1546   theCanCommitOperation = false;
1547
1548   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1549                                                                               (theOperation);
1550   FeaturePtr aFeature = aFOperation->feature();
1551   // editor is shown only if all attribute references are filled by preseletion
1552   bool anAllRefAttrInitialized = true;
1553
1554   std::list<AttributePtr> aRefAttrs = aFeature->data()->attributes(
1555                                               ModelAPI_AttributeRefAttr::typeId());
1556   std::list<AttributePtr>::const_iterator anIt = aRefAttrs.begin(), aLast = aRefAttrs.end();
1557   for (; anIt != aLast && anAllRefAttrInitialized; anIt++) {
1558     anAllRefAttrInitialized = (*anIt)->isInitialized();
1559   }
1560   if (anAllRefAttrInitialized) {
1561     // Activate dimension value editing on double click
1562     ModuleBase_IPropertyPanel* aPanel = aFOperation->propertyPanel();
1563     QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
1564     // Find corresponded widget to activate value editing
1565     foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
1566       if (aWgt->attributeID() == "ConstraintValue") {
1567         // the featue should be displayed in order to find the AIS text position,
1568         // the place where the editor will be shown
1569         aFeature->setDisplayed(true);
1570         /// the execute is necessary to perform in the feature compute for flyout position
1571         aFeature->execute();
1572
1573         Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
1574         Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1575
1576         PartSet_WidgetEditor* anEditor = dynamic_cast<PartSet_WidgetEditor*>(aWgt);
1577         if (anEditor) {
1578           int aX = 0, anY = 0;
1579
1580           XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(theWorkshop);
1581           XGUI_Displayer* aDisplayer = aWorkshop->displayer();
1582           AISObjectPtr anAIS = aDisplayer->getAISObject(aFeature);
1583           Handle(AIS_InteractiveObject) anAISIO;
1584           if (anAIS.get() != NULL) {
1585             anAISIO = anAIS->impl<Handle(AIS_InteractiveObject)>();
1586           }
1587           if (anAIS.get() != NULL) {
1588             Handle(AIS_InteractiveObject) anAISIO = anAIS->impl<Handle(AIS_InteractiveObject)>();
1589
1590             if (!anAISIO.IsNull()) {
1591               Handle(AIS_Dimension) aDim = Handle(AIS_Dimension)::DownCast(anAISIO);
1592               if (!aDim.IsNull()) {
1593                 gp_Pnt aPosition = aDim->GetTextPosition();
1594
1595                 ModuleBase_IViewer* aViewer = aWorkshop->viewer();
1596                 Handle(V3d_View) aView = aViewer->activeView();
1597                 int aCX, aCY;
1598                 aView->Convert(aPosition.X(), aPosition.Y(), aPosition.Z(), aCX, aCY);
1599
1600                 QWidget* aViewPort = aViewer->activeViewPort();
1601                 QPoint aGlPoint = aViewPort->mapToGlobal(QPoint(aCX, aCY));
1602                 aX = aGlPoint.x();
1603                 anY = aGlPoint.y();
1604               }
1605             }
1606             anEditor->setCursorPosition(aX, anY);
1607             isValueAccepted = anEditor->showPopupEditor(false);
1608             theCanCommitOperation = true;
1609           }
1610         }
1611       }
1612     }
1613   }
1614   return isValueAccepted;
1615 }
1616
1617 void PartSet_SketcherMgr::getSelectionOwners(const FeaturePtr& theFeature,
1618                                              const FeaturePtr& theSketch,
1619                                              ModuleBase_IWorkshop* theWorkshop,
1620                                              const FeatureToSelectionMap& theSelection,
1621                                              SelectMgr_IndexedMapOfOwner& theOwnersToSelect)
1622 {
1623   if (theFeature.get() == NULL)
1624     return;
1625
1626   FeatureToSelectionMap::const_iterator anIt = theSelection.find(theFeature);
1627   SelectionInfo anInfo = anIt.value();
1628   std::set<AttributePtr> aSelectedAttributes = anInfo.myAttributes;
1629   std::set<ResultPtr> aSelectedResults = anInfo.myResults;
1630
1631   ModuleBase_IViewer* aViewer = theWorkshop->viewer();
1632
1633   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWorkshop);
1634   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
1635
1636   // 1. found the feature's owners. Check the AIS objects of the constructions
1637   AISObjectPtr aAISObj = aDisplayer->getAISObject(theFeature);
1638   if (aAISObj.get() != NULL && aSelectedAttributes.empty() && aSelectedResults.empty()) {
1639     Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
1640
1641     SelectMgr_IndexedMapOfOwner aSelectedOwners;
1642     aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
1643     for  (Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++) {
1644       Handle(SelectMgr_EntityOwner) anOwner = aSelectedOwners(i);
1645       if (!anOwner.IsNull())
1646         theOwnersToSelect.Add(anOwner);
1647     }
1648   }
1649
1650   // 2. found the feature results's owners
1651   std::list<ResultPtr> aResults = theFeature->results();
1652   std::list<ResultPtr>::const_iterator aIt;
1653
1654   bool isSameShape = false;
1655   if (aResults.size() > 0) {
1656     ResultPtr aFirstResult = theFeature->firstResult();
1657     if (aFirstResult.get() && aFirstResult->shape().get()) {
1658       TopoDS_Shape aFirstShape = aFirstResult->shape()->impl<TopoDS_Shape>();
1659       isSameShape = aFirstShape.IsEqual(anInfo.myFirstResultShape);
1660     }
1661   }
1662   for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
1663     ResultPtr aResult = *aIt;
1664     AISObjectPtr aAISObj = aDisplayer->getAISObject(aResult);
1665     if (aAISObj.get() == NULL)
1666       continue;
1667     Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
1668
1669     SelectMgr_IndexedMapOfOwner aSelectedOwners;
1670     aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
1671     bool aFoundLocalShape = false;
1672     for  ( Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++ ) {
1673       Handle(StdSelect_BRepOwner) anOwner =
1674         Handle(StdSelect_BRepOwner)::DownCast(aSelectedOwners(i));
1675       if ( anOwner.IsNull() || !anOwner->HasShape() || theOwnersToSelect.FindIndex(anOwner))
1676         continue;
1677       const TopoDS_Shape& aShape = anOwner->Shape();
1678       TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
1679       if (aShapeType == TopAbs_VERTEX) {
1680         AttributePtr aPntAttr =
1681           PartSet_Tools::findAttributeBy2dPoint(theFeature, aShape, theSketch);
1682         if (aPntAttr.get() != NULL &&
1683             aSelectedAttributes.find(aPntAttr) != aSelectedAttributes.end())
1684           theOwnersToSelect.Add(anOwner);
1685         else if (isSameShape && anInfo.myLocalSelectedShapes.Contains(aShape)) {
1686           theOwnersToSelect.Add(anOwner);
1687         }
1688       }
1689       else if (aShapeType == TopAbs_EDGE) {
1690         if (isSameShape && anInfo.myLocalSelectedShapes.Contains(aShape)) {
1691           // try to restore local selection on Shape result
1692           // we can do this only if the shape was not changed
1693           theOwnersToSelect.Add(anOwner);
1694           aFoundLocalShape = true;
1695           break;
1696         }
1697       }
1698     }
1699     if (!aFoundLocalShape) {
1700       // result owners are put in the list of selection only if local selected shapes were not
1701       // found
1702       if (aSelectedResults.find(aResult) != aSelectedResults.end()) {
1703         for  ( Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++ ) {
1704           Handle(StdSelect_BRepOwner) anOwner =
1705             Handle(StdSelect_BRepOwner)::DownCast(aSelectedOwners(i));
1706           if ( anOwner.IsNull() || !anOwner->HasShape() || theOwnersToSelect.FindIndex(anOwner))
1707             continue;
1708             // select whole result
1709             theOwnersToSelect.Add(anOwner);
1710         }
1711       }
1712     }
1713   }
1714 }
1715
1716 void PartSet_SketcherMgr::connectToPropertyPanel(ModuleBase_ModelWidget* theWidget,
1717                                                  const bool isToConnect)
1718 {
1719   //Temporary commented as we do not modify values in property panel
1720   if (isToConnect) {
1721     //connect(theWidget, SIGNAL(beforeValuesChanged()),
1722     //        this, SLOT(onBeforeValuesChangedInPropertyPanel()));
1723     //connect(theWidget, SIGNAL(afterValuesChanged()),
1724     //        this, SLOT(onAfterValuesChangedInPropertyPanel()));
1725     connect(theWidget, SIGNAL(afterValuesChanged()),
1726             myModule->sketchReentranceMgr(), SLOT(onAfterValuesChangedInPropertyPanel()));
1727   }
1728   else {
1729     //disconnect(theWidget, SIGNAL(beforeValuesChanged()),
1730     //            this, SLOT(onBeforeValuesChangedInPropertyPanel()));
1731     //disconnect(theWidget, SIGNAL(afterValuesChanged()),
1732     //            this, SLOT(onAfterValuesChangedInPropertyPanel()));
1733     disconnect(theWidget, SIGNAL(afterValuesChanged()),
1734                myModule->sketchReentranceMgr(), SLOT(onAfterValuesChangedInPropertyPanel()));
1735   }
1736 }
1737
1738 void PartSet_SketcherMgr::widgetStateChanged(int thePreviousState)
1739 {
1740   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1741                                                                            (getCurrentOperation());
1742   if (aFOperation) {
1743     if (PartSet_SketcherMgr::isSketchOperation(aFOperation) ||
1744         isNestedSketchOperation(aFOperation) &&
1745         thePreviousState == ModuleBase_ModelWidget::ModifiedInPP) {
1746       FeaturePtr aFeature = aFOperation->feature();
1747       visualizeFeature(aFeature, aFOperation->isEditOperation(), canDisplayObject(aFeature));
1748     }
1749   }
1750 }
1751
1752 void PartSet_SketcherMgr::customizePresentation(const ObjectPtr& theObject)
1753 {
1754   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1755                                                                            (getCurrentOperation());
1756   if (aFOperation && (PartSet_SketcherMgr::isSketchOperation(aFOperation) ||
1757                       isNestedSketchOperation(aFOperation)))
1758     SketcherPrs_Tools::sendExpressionShownEvent(myIsConstraintsShown[PartSet_Tools::Expressions]);
1759
1760   // update entities selection priorities
1761   FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
1762   if (aFeature.get() && PartSet_SketcherMgr::isEntity(aFeature->getKind())) {
1763     // update priority for feature
1764     updateSelectionPriority(aFeature, aFeature);
1765     // update priority for results of the feature
1766     std::list<ResultPtr> aResults = aFeature->results();
1767     std::list<ResultPtr>::const_iterator anIt = aResults.begin(), aLastIt = aResults.end();
1768     for (; anIt != aLastIt; anIt++)
1769       updateSelectionPriority(*anIt, aFeature);
1770   }
1771 }
1772
1773 ModuleBase_Operation* PartSet_SketcherMgr::getCurrentOperation() const
1774 {
1775   return myModule->workshop()->currentOperation();
1776 }
1777
1778 //**************************************************************
1779 ModuleBase_ModelWidget* PartSet_SketcherMgr::getActiveWidget() const
1780 {
1781   ModuleBase_ModelWidget* aWidget = 0;
1782   ModuleBase_Operation* anOperation = getCurrentOperation();
1783   if (anOperation) {
1784     ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
1785     if (aPanel)
1786       aWidget = aPanel->activeWidget();
1787   }
1788   return aWidget;
1789 }
1790
1791 void PartSet_SketcherMgr::visualizeFeature(const FeaturePtr& theFeature,
1792                                            const bool isEditOperation,
1793                                            const bool isToDisplay,
1794                                            const bool isFlushRedisplay)
1795 {
1796   #ifdef DEBUG_DO_NOT_BY_ENTER
1797   return;
1798   #endif
1799
1800   if (isEditOperation || !theFeature.get())
1801     return;
1802
1803   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
1804   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
1805
1806   // 1. change visibility of the object itself, here the presentable object is processed,
1807   // e.g. constraints features
1808   //FeaturePtr aFeature = aFOperation->feature();
1809   std::list<ResultPtr> aResults = theFeature->results();
1810   if (isToDisplay)
1811     theFeature->setDisplayed(true);
1812   else
1813     theFeature->setDisplayed(false);
1814
1815   // change visibility of the object results, e.g. non-constraint features
1816   std::list<ResultPtr>::const_iterator aIt;
1817   for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
1818     if (isToDisplay) {
1819       (*aIt)->setDisplayed(true);
1820     }
1821     else {
1822       (*aIt)->setDisplayed(false);
1823     }
1824   }
1825   if (isFlushRedisplay)
1826     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1827 }
1828
1829 void PartSet_SketcherMgr::storeSelection(const SelectionType theType,
1830                         PartSet_SketcherMgr::FeatureToSelectionMap& theCurrentSelection)
1831 {
1832   if (!myCurrentSketch.get())
1833     return;
1834
1835   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
1836   ModuleBase_ISelection* aSelect = aWorkshop->selection();
1837   QList<ModuleBase_ViewerPrsPtr> aStoredPrs;
1838
1839   if (theType == ST_HighlightType || theType == ST_SelectAndHighlightType)
1840     aStoredPrs = aSelect->getHighlighted();
1841
1842   QList<FeaturePtr> aFeatureList;
1843   if (theType == ST_SelectAndHighlightType || theType == ST_SelectType) {
1844     QList<ModuleBase_ViewerPrsPtr> aSelected = aSelect->getSelected(
1845                                                               ModuleBase_ISelection::AllControls);
1846     aStoredPrs.append(aSelected);
1847   }
1848
1849   // 1. it is necessary to save current selection in order to restore it after the features moving
1850   theCurrentSelection.clear();
1851
1852   QList<ModuleBase_ViewerPrsPtr>::const_iterator anIt = aStoredPrs.begin(),
1853                                                 aLast = aStoredPrs.end();
1854
1855   CompositeFeaturePtr aSketch = activeSketch();
1856   for (; anIt != aLast; anIt++) {
1857     ModuleBase_ViewerPrsPtr aPrs = *anIt;
1858     ObjectPtr anObject = aPrs->object();
1859     if (!anObject.get())
1860       continue;
1861
1862     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
1863     FeaturePtr aFeature;
1864     if (aResult.get())
1865       aFeature = ModelAPI_Feature::feature(aResult);
1866     else
1867       aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
1868
1869     if (!aFeature.get())
1870       continue;
1871
1872     std::set<AttributePtr> aSelectedAttributes;
1873     std::set<ResultPtr> aSelectedResults;
1874     SelectionInfo anInfo;
1875     if (theCurrentSelection.find(aFeature) != theCurrentSelection.end())
1876       anInfo = theCurrentSelection.find(aFeature).value();
1877
1878     TopoDS_Shape aFirstShape;
1879     ResultPtr aFirstResult = aFeature->firstResult();
1880     if (aFirstResult.get() && aFirstResult->shape().get())
1881       aFirstShape = aFirstResult->shape()->impl<TopoDS_Shape>();
1882     anInfo.myFirstResultShape = aFirstShape;
1883     Handle(SelectMgr_EntityOwner) anOwner = aPrs->owner();
1884     if (aResult.get()) {
1885       getAttributesOrResults(anOwner, aFeature, aSketch, aResult,
1886           anInfo.myAttributes, anInfo.myResults, anInfo.myLocalSelectedShapes);
1887     }
1888     else {
1889       std::list<ResultPtr> aResults = aFeature->results();
1890       std::list<ResultPtr>::const_iterator aIt;
1891       for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
1892         ResultPtr aResult = *aIt;
1893         getAttributesOrResults(anOwner, aFeature, aSketch, aResult,
1894           anInfo.myAttributes, anInfo.myResults, anInfo.myLocalSelectedShapes);
1895       }
1896     }
1897     theCurrentSelection[aFeature] = anInfo;
1898   }
1899   //qDebug(QString("  storeSelection: %1").arg(theCurrentSelection.size()).toStdString().c_str());
1900 }
1901
1902 void PartSet_SketcherMgr::restoreSelection(
1903                                 PartSet_SketcherMgr::FeatureToSelectionMap& theCurrentSelection)
1904 {
1905   if (!myCurrentSketch.get())
1906     return;
1907
1908   //qDebug(QString("restoreSelection: %1").arg(theCurrentSelection.size()).toStdString().c_str());
1909   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
1910   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
1911   FeatureToSelectionMap::const_iterator aSIt = theCurrentSelection.begin(),
1912                                         aSLast = theCurrentSelection.end();
1913   SelectMgr_IndexedMapOfOwner anOwnersToSelect;
1914   anOwnersToSelect.Clear();
1915   for (; aSIt != aSLast; aSIt++) {
1916     getSelectionOwners(aSIt.key(), myCurrentSketch, aWorkshop, theCurrentSelection,
1917                        anOwnersToSelect);
1918   }
1919   aConnector->workshop()->selector()->setSelectedOwners(anOwnersToSelect, false);
1920 }
1921
1922 void PartSet_SketcherMgr::onShowConstraintsToggle(int theType, bool theState)
1923 {
1924   PartSet_Tools::ConstraintVisibleState aType = (PartSet_Tools::ConstraintVisibleState)theType;
1925
1926   updateBySketchParameters(aType, theState);
1927 }
1928
1929 void PartSet_SketcherMgr::updateBySketchParameters(
1930                                    const PartSet_Tools::ConstraintVisibleState& theType,
1931                                    bool theState)
1932 {
1933   if (myCurrentSketch.get() == NULL)
1934     return;
1935
1936   bool aPrevState = myIsConstraintsShown[theType];
1937   myIsConstraintsShown[theType] = theState;
1938
1939   switch (theType) {
1940     case PartSet_Tools::Geometrical:
1941     case PartSet_Tools::Dimensional: {
1942       if (aPrevState != theState) {
1943         ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
1944         XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
1945         int aNumberOfSubs = myCurrentSketch->numberOfSubs();
1946         for (int i = 0; i < aNumberOfSubs; i++) {
1947           FeaturePtr aSubFeature = myCurrentSketch->subFeature(i);
1948           bool aProcessed = false;
1949           bool aConstraintDisplayed = canDisplayConstraint(aSubFeature, theType, aProcessed);
1950           if (aProcessed)
1951             aSubFeature->setDisplayed(aConstraintDisplayed);
1952         }
1953         Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1954       }
1955     }
1956     break;
1957     case PartSet_Tools::Expressions: {
1958       if (aPrevState != theState) {
1959         /// call all sketch features redisplay, the expression state will be corrected in customize
1960         /// of distance presentation
1961         Events_ID anEventId = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
1962         PartSet_Tools::sendSubFeaturesEvent(myCurrentSketch, anEventId);
1963       }
1964     }
1965     break;
1966   }
1967 }
1968
1969 void PartSet_SketcherMgr::updateSelectionPriority(ObjectPtr theObject,
1970                                                   FeaturePtr theFeature)
1971 {
1972   if (!theObject.get() || !theFeature.get())
1973     return;
1974
1975   AISObjectPtr anAIS = workshop()->displayer()->getAISObject(theObject);
1976   Handle(AIS_InteractiveObject) anAISIO;
1977   if (anAIS.get() != NULL) {
1978     anAISIO = anAIS->impl<Handle(AIS_InteractiveObject)>();
1979   }
1980
1981   if (!anAISIO.IsNull()) { // the presentation for the object is visualized
1982     int anAdditionalPriority = 0;
1983     // current feature
1984     std::shared_ptr<SketchPlugin_Feature> aSPFeature =
1985             std::dynamic_pointer_cast<SketchPlugin_Feature>(theFeature);
1986     if (aSPFeature.get() != NULL) {
1987       // 1. Vertices
1988       // 2. Simple segments
1989       // 3. External objects (violet color)
1990       // 4. Auxiliary segments (dotted)
1991       // StdSelect_BRepSelectionTool::Load uses priority calculating:
1992       // Standard_Integer aPriority =
1993       // (thePriority == -1) ? GetStandardPriority (theShape, theType) : thePriority;
1994       // Priority of Vertex is 8, edge(segment) is 7.
1995       // It might be not corrected as provides the condition above.
1996       bool isExternal = aSPFeature->isExternal();
1997       bool isAuxiliary = PartSet_Tools::isAuxiliarySketchEntity(aSPFeature);
1998       // current feature
1999       if (!isExternal && !isAuxiliary)
2000         anAdditionalPriority = 30;
2001       // external feature
2002       if (isExternal)
2003         anAdditionalPriority = 20;
2004       // auxiliary feature
2005       if (isAuxiliary) {
2006         anAdditionalPriority = 10; /// auxiliary objects should have less priority that
2007         // edges/vertices of local selection on not-sketch objects
2008       }
2009       Handle(ModuleBase_ResultPrs) aResult = Handle(ModuleBase_ResultPrs)::DownCast(anAISIO);
2010       if (!aResult.IsNull()) {
2011         aResult->setAdditionalSelectionPriority(anAdditionalPriority);
2012       }
2013     }
2014   }
2015 }
2016
2017 XGUI_Workshop* PartSet_SketcherMgr::workshop() const
2018 {
2019   ModuleBase_IWorkshop* anIWorkshop = myModule->workshop();
2020   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(anIWorkshop);
2021   return aConnector->workshop();
2022 }
2023
2024 XGUI_OperationMgr* PartSet_SketcherMgr::operationMgr() const
2025 {
2026   return workshop()->operationMgr();
2027 }
2028
2029 void PartSet_SketcherMgr::onShowPoints(bool toShow)
2030 {
2031   if (!myCurrentSketch.get())
2032     return;
2033   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
2034   ModuleBase_IViewer* aViewer = aWorkshop->viewer();
2035   Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
2036
2037   bool aToUpdate = false;
2038   if (toShow) {
2039     std::list<ResultPtr> aFreePoints = SketcherPrs_Tools::getFreePoints(myCurrentSketch);
2040
2041     // Delete obsolete presentations
2042     std::list<ResultPtr> aDelList;
2043     foreach(ResultPtr aObj, myPointsHighlight.keys()) {
2044       bool aFound = (std::find(aFreePoints.begin(), aFreePoints.end(), aObj) != aFreePoints.end());
2045       if (!aFound)
2046         aDelList.push_back(aObj);
2047     }
2048     foreach(ResultPtr aObj, aDelList) {
2049       aContext->Remove(myPointsHighlight[aObj], false);
2050       aToUpdate = true;
2051       myPointsHighlight.remove(aObj);
2052     }
2053
2054     // Display new objects
2055     QList<ResultPtr> aKeysList = myPointsHighlight.keys();
2056     std::list<ResultPtr>::const_iterator aIt;
2057     for (aIt = aFreePoints.cbegin(); aIt != aFreePoints.cend(); aIt++) {
2058       if (!aKeysList.contains(*aIt)) {
2059         GeomShapePtr aShapePtr = (*aIt)->shape();
2060         TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
2061         Handle(AIS_Shape) aShapePrs = new AIS_Shape(aShape);
2062         aShapePrs->SetColor(Quantity_NOC_BLUE1);
2063         aShapePrs->SetZLayer(Graphic3d_ZLayerId_Top);
2064         Handle(Prs3d_Drawer) aDrawer = aShapePrs->Attributes();
2065         if (aDrawer->HasOwnPointAspect()) {
2066           aDrawer->PointAspect()->SetTypeOfMarker(Aspect_TOM_O_STAR);
2067           aDrawer->PointAspect()->SetColor(Quantity_NOC_BLUE1);
2068           aDrawer->PointAspect()->SetScale(2);
2069         }
2070         else
2071           aDrawer->SetPointAspect(new Prs3d_PointAspect(Aspect_TOM_O_STAR, Quantity_NOC_BLUE1, 2));
2072         aContext->Display(aShapePrs, false);
2073         aContext->Deactivate(aShapePrs);
2074         myPointsHighlight[*aIt] = aShapePrs;
2075         aToUpdate = true;
2076       }
2077     }
2078   }
2079   else {
2080     foreach(Handle(AIS_Shape) aPrs, myPointsHighlight.values()) {
2081       aContext->Remove(aPrs, false);
2082       aToUpdate = true;
2083     }
2084     myPointsHighlight.clear();
2085   }
2086   if (aToUpdate)
2087     aViewer->update();
2088 }