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