src/PartSet/PartSet_SketcherMgr.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        PartSet_SketcherMgr.cpp
   4 // Created:     19 Dec 2014
   5 // Author:      Vitaly SMETANNIKOV
   6
   7 #include "PartSet_SketcherMgr.h"
   8 #include "PartSet_SketcherReentrantMgr.h"
   9 #include "PartSet_Module.h"
  10 #include "PartSet_MouseProcessor.h"
  11 #include "PartSet_Tools.h"
  12 #include "PartSet_WidgetSketchLabel.h"
  13 #include "PartSet_WidgetEditor.h"
  14 #include "PartSet_ResultSketchPrs.h"
  15
  16 #include <XGUI_ModuleConnector.h>
  17 #include <XGUI_Displayer.h>
  18 #include <XGUI_Workshop.h>
  19 #include <XGUI_ContextMenuMgr.h>
  20 #include <XGUI_Selection.h>
  21 #include <XGUI_SelectionMgr.h>
  22 #include <XGUI_ModuleConnector.h>
  23 #include <XGUI_PropertyPanel.h>
  24 #include <XGUI_ViewerProxy.h>
  25 #include <XGUI_OperationMgr.h>
  26 #include <XGUI_ErrorMgr.h>
  27 #include <XGUI_Tools.h>
  28
  29 #include <ModuleBase_IPropertyPanel.h>
  30 #include <ModuleBase_ISelection.h>
  31 #include <ModuleBase_IViewer.h>
  32 #include <ModuleBase_IWorkshop.h>
  33 #include <ModuleBase_IViewWindow.h>
  34 #include <ModuleBase_ModelWidget.h>
  35 #include <ModuleBase_Operation.h>
  36 #include <ModuleBase_OperationFeature.h>
  37 #include <ModuleBase_Operation.h>
  38 #include <ModuleBase_WidgetEditor.h>
  39 #include <ModuleBase_ViewerPrs.h>
  40 #include <ModuleBase_Tools.h>
  41 #include <ModuleBase_ResultPrs.h>
  42
  43 #include <GeomDataAPI_Point2D.h>
  44
  45 #include <Events_Loop.h>
  46
  47 #include <SketchPlugin_Line.h>
  48 #include <SketchPlugin_Sketch.h>
  49 #include <SketchPlugin_Point.h>
  50 #include <SketchPlugin_Arc.h>
  51 #include <SketchPlugin_Circle.h>
  52 #include <SketchPlugin_ConstraintLength.h>
  53 #include <SketchPlugin_ConstraintDistance.h>
  54 #include <SketchPlugin_ConstraintParallel.h>
  55 #include <SketchPlugin_ConstraintPerpendicular.h>
  56 #include <SketchPlugin_ConstraintRadius.h>
  57 #include <SketchPlugin_ConstraintRigid.h>
  58 #include <SketchPlugin_ConstraintHorizontal.h>
  59 #include <SketchPlugin_ConstraintVertical.h>
  60 #include <SketchPlugin_ConstraintEqual.h>
  61 #include <SketchPlugin_ConstraintTangent.h>
  62 #include <SketchPlugin_ConstraintCoincidence.h>
  63 #include <SketchPlugin_Fillet.h>
  64 #include <SketchPlugin_ConstraintMirror.h>
  65 #include <SketchPlugin_ConstraintAngle.h>
  66 #include <SketchPlugin_ConstraintCollinear.h>
  67 #include <SketchPlugin_ConstraintMiddle.h>
  68 #include <SketchPlugin_MultiRotation.h>
  69 #include <SketchPlugin_MultiTranslation.h>
  70 #include <SketchPlugin_IntersectionPoint.h>
  71
  72 #include <SketcherPrs_Tools.h>
  73
  74 #include <SelectMgr_IndexedMapOfOwner.hxx>
  75 #include <StdSelect_BRepOwner.hxx>
  76
  77 //#include <AIS_DimensionSelectionMode.hxx>
  78 #include <AIS_Shape.hxx>
  79 #include <AIS_Dimension.hxx>
  80
  81 #include <ModelAPI_Events.h>
  82 #include <ModelAPI_Session.h>
  83 #include <ModelAPI_AttributeString.h>
  84
  85 #include <ModelAPI_Validator.h>
  86 #include <ModelAPI_Tools.h>
  87
  88 #include <QMouseEvent>
  89 #include <QApplication>
  90 #include <QCursor>
  91 #include <QMessageBox>
  92 #include <QMainWindow>
  93
  94 //#define DEBUG_DO_NOT_BY_ENTER
  95 //#define DEBUG_SKETCHER_ENTITIES
  96 //#define DEBUG_SKETCH_ENTITIES_ON_MOVE
  97
  98 //#define DEBUG_CURSOR
  99
 100 /// Fills attribute and result lists by the selected owner. In case if the attribute is found,
 101 /// by the owner shape, it is put to the list. Otherwise if type of owner shape is edge,
 102 /// put the function result as is to the list of results.
 103 /// \param theOwner a viewer selected owner
 104 /// \param theFeature a feature, where the attribute is searched
 105 /// \param theSketch a current sketch
 106 /// \param theSelectedAttribute an output list of attributes
 107 /// \param theSelectedResults an output list of edge results
 108 void getAttributesOrResults(const Handle(SelectMgr_EntityOwner)& theOwner,
 109                             const FeaturePtr& theFeature, const FeaturePtr& theSketch,
 110                             const ResultPtr& theResult,
 111                             std::set<AttributePtr>& theSelectedAttributes,
 112                             std::set<ResultPtr>& theSelectedResults,
 113                             TopTools_MapOfShape& theShapes)
 114 {
 115   Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(theOwner);
 116   if (aBRepOwner.IsNull())
 117     return;
 118   Handle(AIS_InteractiveObject) anIO = Handle(AIS_InteractiveObject)::DownCast(
 119                                                                     aBRepOwner->Selectable());
 120   if (aBRepOwner->HasShape()) {
 121     const TopoDS_Shape& aShape = aBRepOwner->Shape();
 122     theShapes.Add(aShape);
 123     TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 124     if (aShapeType == TopAbs_VERTEX) {
 125       AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(theFeature,
 126                                                                     aShape, theSketch);
 127       if (aPntAttr.get() != NULL)
 128         theSelectedAttributes.insert(aPntAttr);
 129     }
 130     else if (aShapeType == TopAbs_EDGE &&
 131              theSelectedResults.find(theResult) == theSelectedResults.end()) {
 132       theSelectedResults.insert(theResult);
 133     }
 134   }
 135 }
 136
 137 PartSet_SketcherMgr::PartSet_SketcherMgr(PartSet_Module* theModule)
 138   : QObject(theModule), myModule(theModule), myIsEditLaunching(false), myIsDragging(false),
 139     myDragDone(false), myIsMouseOverWindow(false),
 140     myIsMouseOverViewProcessed(true), myPreviousUpdateViewerEnabled(true),
 141     myIsPopupMenuActive(false)
 142 {
 143   ModuleBase_IWorkshop* anIWorkshop = myModule->workshop();
 144   ModuleBase_IViewer* aViewer = anIWorkshop->viewer();
 145
 146   myPreviousDrawModeEnabled = true;//aViewer->isSelectionEnabled();
 147
 148   connect(aViewer, SIGNAL(mousePress(ModuleBase_IViewWindow*, QMouseEvent*)),
 149           this, SLOT(onMousePressed(ModuleBase_IViewWindow*, QMouseEvent*)));
 150
 151   connect(aViewer, SIGNAL(mouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)),
 152           this, SLOT(onMouseReleased(ModuleBase_IViewWindow*, QMouseEvent*)));
 153
 154   connect(aViewer, SIGNAL(mouseMove(ModuleBase_IViewWindow*, QMouseEvent*)),
 155           this, SLOT(onMouseMoved(ModuleBase_IViewWindow*, QMouseEvent*)));
 156
 157   connect(aViewer, SIGNAL(mouseDoubleClick(ModuleBase_IViewWindow*, QMouseEvent*)),
 158           this, SLOT(onMouseDoubleClick(ModuleBase_IViewWindow*, QMouseEvent*)));
 159
 160   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(anIWorkshop);
 161   XGUI_Workshop* aWorkshop = aConnector->workshop();
 162   connect(aWorkshop, SIGNAL(applicationStarted()), this, SLOT(onApplicationStarted()));
 163
 164   myIsConstraintsShown[PartSet_Tools::Geometrical] = true;
 165   myIsConstraintsShown[PartSet_Tools::Dimensional] = true;
 166   myIsConstraintsShown[PartSet_Tools::Expressions] = false;
 167 }
 168
 169 PartSet_SketcherMgr::~PartSet_SketcherMgr()
 170 {
 171   if (!myPlaneFilter.IsNull())
 172     myPlaneFilter.Nullify();
 173 }
 174
 175 void PartSet_SketcherMgr::onEnterViewPort()
 176 {
 177   // 1. if the mouse over window, update the next flag. Do not perform update visibility of
 178   // created feature because it should be done in onMouseMove(). Some widgets watch
 179   // the mouse move and use the cursor position to update own values. If the presentaion is
 180   // redisplayed before this update, the feature presentation jumps from reset value to current.
 181   myIsMouseOverWindow = true;
 182
 183   #ifdef DEBUG_DO_NOT_BY_ENTER
 184   return;
 185   #endif
 186
 187   if (canChangeCursor(getCurrentOperation())) {
 188     QCursor* aCurrentCursor = QApplication::overrideCursor();
 189     if (!aCurrentCursor || aCurrentCursor->shape() != Qt::CrossCursor) {
 190       QApplication::setOverrideCursor(QCursor(Qt::CrossCursor));
 191 #ifdef DEBUG_CURSOR
 192       qDebug("onEnterViewPort() : Qt::CrossCursor");
 193 #endif
 194     }
 195   }
 196
 197   if (!isNestedCreateOperation(getCurrentOperation(), activeSketch()))
 198     return;
 199
 200   operationMgr()->onValidateOperation();
 201
 202   // we need change displayed state of the current operation feature
 203   // if the feature is presentable, e.g. distance construction. It has no results, so workshop does
 204   // not accept a signal about the result created. Nothing is shown until mouse is moved out/in view
 205   // port. If the isDisplayed flag is true, the presentable feature is displayed as soon as the
 206   // presentation becomes valid and redisplay happens
 207   //ModuleBase_Operation* aOperation = getCurrentOperation();
 208   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 209                                                                            (getCurrentOperation());
 210   if (aFOperation) {
 211     FeaturePtr aFeature = aFOperation->feature();
 212     if (aFeature.get() && aFeature->data()->isValid()) {
 213       visualizeFeature(aFeature, aFOperation->isEditOperation(), canDisplayObject(aFeature), false);
 214     }
 215   }
 216 }
 217
 218 void PartSet_SketcherMgr::onLeaveViewPort()
 219 {
 220   myIsMouseOverViewProcessed = false;
 221   myIsMouseOverWindow = false;
 222
 223   #ifdef DEBUG_DO_NOT_BY_ENTER
 224   return;
 225   #endif
 226
 227   if (canChangeCursor(getCurrentOperation())) {
 228     QApplication::restoreOverrideCursor();
 229 #ifdef DEBUG_CURSOR
 230     qDebug("onLeaveViewPort() : None");
 231 #endif
 232   }
 233
 234   if (!isNestedCreateOperation(getCurrentOperation(), activeSketch()))
 235     return;
 236
 237   // the method should be performed if the popup menu is called,
 238   // the reset of the current widget should not happen
 239   if (myIsPopupMenuActive)
 240     return;
 241
 242   // it is important to validate operation here only if sketch entity create operation is active
 243   // because at this operation we reacts to the mouse leave/enter view port
 244   operationMgr()->onValidateOperation();
 245
 246   // 2. if the mouse IS NOT over window, reset the active widget value and hide the presentation
 247   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
 248   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
 249   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 250   // disable the viewer update in order to avoid visualization of redisplayed feature in viewer
 251   // obtained after reset value
 252   bool isEnableUpdateViewer = aDisplayer->enableUpdateViewer(false);
 253   ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
 254   if (anActiveWidget)
 255     anActiveWidget->reset();
 256
 257   // hides the presentation of the current operation feature
 258   // the feature is to be erased here, but it is correct to call canDisplayObject because
 259   // there can be additional check (e.g. editor widget in distance constraint)
 260   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 261                                                                            (getCurrentOperation());
 262   if (aFOperation) {
 263     FeaturePtr aFeature = aFOperation->feature();
 264     visualizeFeature(aFeature, aFOperation->isEditOperation(), canDisplayObject(aFeature));
 265   }
 266   // we should update viewer after the presentation are hidden in the viewer
 267   // otherwise the reset presentation(line) appears in the viewer(by quick move from viewer to PP)
 268   aDisplayer->enableUpdateViewer(isEnableUpdateViewer);
 269 }
 270
 271 /*
 272 //Temporary commented as we do not modify values in property panel
 273 void PartSet_SketcherMgr::onBeforeValuesChangedInPropertyPanel()
 274 {
 275   if (!isNestedEditOperation(getCurrentOperation(), myModule->sketchMgr()->activeSketch()) ||
 276       myModule->sketchReentranceMgr()->isInternalEditActive())
 277     return;
 278   // it is necessary to save current selection in order to restore it after the values are modifed
 279   storeSelection(ST_SelectAndHighlightType);
 280
 281   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
 282   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
 283   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 284   myPreviousUpdateViewerEnabled = aDisplayer->enableUpdateViewer(false);
 285 }
 286
 287 void PartSet_SketcherMgr::onAfterValuesChangedInPropertyPanel()
 288 {
 289   if (!isNestedEditOperation(getCurrentOperation(), myModule->sketchMgr()->activeSketch()) ||
 290       myModule->sketchReentranceMgr()->isInternalEditActive()) {
 291     myModule->sketchReentranceMgr()->updateInternalEditActiveState();
 292     return;
 293   }
 294   // it is necessary to restore current selection in order to restore it after values are modified
 295   restoreSelection();
 296   myCurrentSelection.clear();
 297
 298   // 3. the flag to disable the update viewer should be set in order to avoid blinking in the
 299   // viewer happens by deselect/select the modified objects. The flag should be restored after
 300   // the selection processing. The update viewer should be also called.
 301   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
 302   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
 303   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 304   aDisplayer->enableUpdateViewer(myPreviousUpdateViewerEnabled);
 305   aDisplayer->updateViewer();
 306 }
 307 */
 308
 309 void PartSet_SketcherMgr::onMousePressed(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 310 {
 311   // Clear dragging mode
 312   myIsDragging = false;
 313
 314   if (myModule->sketchReentranceMgr()->processMousePressed(theWnd, theEvent))
 315     return;
 316   //get2dPoint(theWnd, theEvent, myClickedPoint);
 317   if (!(theEvent->buttons() & Qt::LeftButton))
 318     return;
 319
 320   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
 321   ModuleBase_IViewer* aViewer = aWorkshop->viewer();
 322   if (!aViewer->canDragByMouse())
 323     return;
 324
 325   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 326                                                                (getCurrentOperation());
 327   if (!aFOperation)
 328     return;
 329
 330   if (aFOperation->isEditOperation()) {
 331     // If the current widget is a selector, do nothing, it processes the mouse press
 332     ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
 333     if(anActiveWidget && anActiveWidget->isViewerSelector()) {
 334       return;
 335     }
 336   }
 337
 338   // Use only for sketch operations
 339   if (myCurrentSketch) {
 340     if (!PartSet_Tools::sketchPlane(myCurrentSketch))
 341       return;
 342
 343     bool isSketcher = isSketchOperation(aFOperation);
 344     bool isSketchOpe = isNestedSketchOperation(aFOperation);
 345
 346     // Avoid non-sketch operations
 347     if ((!isSketchOpe) && (!isSketcher))
 348       return;
 349
 350     bool isEditing = aFOperation->isEditOperation();
 351
 352     // Ignore creation sketch operation
 353     if ((!isSketcher) && (!isEditing))
 354       return;
 355
 356     Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
 357     // Remember highlighted objects for editing
 358     ModuleBase_ISelection* aSelect = aWorkshop->selection();
 359
 360     bool aHasShift = (theEvent->modifiers() & Qt::ShiftModifier);
 361     storeSelection(aHasShift ? ST_SelectAndHighlightType : ST_HighlightType, myCurrentSelection);
 362
 363     if (myCurrentSelection.empty()) {
 364       if (isSketchOpe && (!isSketcher))
 365         // commit previous operation
 366         if (!aFOperation->commit())
 367           aFOperation->abort();
 368       return;
 369     }
 370     // Init flyout point for radius rotation
 371     FeaturePtr aFeature = myCurrentSelection.begin().key();
 372
 373     get2dPoint(theWnd, theEvent, myCurrentPoint);
 374     if (isSketcher) {
 375       myIsDragging = true;
 376       myDragDone = false;
 377
 378       myPreviousDrawModeEnabled = aViewer->enableDrawMode(false);
 379       launchEditing();
 380       if (aFeature.get() != NULL) {
 381         std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 382                   std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 383         if (aSPFeature.get() &&
 384           (aSPFeature->getKind() == SketchPlugin_ConstraintRadius::ID() ||
 385            aSPFeature->getKind() == SketchPlugin_ConstraintAngle::ID())) {
 386           DataPtr aData = aSPFeature->data();
 387           AttributePtr aAttr = aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT());
 388           std::shared_ptr<GeomDataAPI_Point2D> aFPAttr =
 389             std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aAttr);
 390           aFPAttr->setValue(myCurrentPoint.myCurX, myCurrentPoint.myCurY);
 391         }
 392       }
 393     } else if (isSketchOpe && isEditing) {
 394       // If selected another object commit current result
 395       bool aPrevLaunchingState = myIsEditLaunching;
 396       /// store editing state for Edit operation in order to do not clear highlight by restart
 397       /// of edit operation.
 398       /// Internal edit should not be stored as editing operation as the result will be a
 399       /// creation operation, where previous selection should not be used(and will be cleared)
 400       myIsEditLaunching = !myModule->sketchReentranceMgr()->isInternalEditActive();
 401       aFOperation->commit();
 402
 403       myIsDragging = true;
 404       myDragDone = false;
 405
 406       myPreviousDrawModeEnabled = aViewer->enableDrawMode(false);
 407       launchEditing();
 408       myIsEditLaunching = aPrevLaunchingState;
 409       if (aFeature.get() != NULL) {
 410         std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 411                   std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 412         if (aSPFeature.get() &&
 413           (aSPFeature->getKind() == SketchPlugin_ConstraintRadius::ID() ||
 414            aSPFeature->getKind() == SketchPlugin_ConstraintAngle::ID())) {
 415           DataPtr aData = aSPFeature->data();
 416           AttributePtr aAttr = aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT());
 417           std::shared_ptr<GeomDataAPI_Point2D> aFPAttr =
 418             std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aAttr);
 419           aFPAttr->setValue(myCurrentPoint.myCurX, myCurrentPoint.myCurY);
 420         }
 421       }
 422     }
 423   }
 424 }
 425
 426 void PartSet_SketcherMgr::onMouseReleased(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 427 {
 428   bool aWasDragging = myIsDragging;
 429   myIsDragging = false;
 430
 431   if (myModule->sketchReentranceMgr()->processMouseReleased(theWnd, theEvent))
 432     return;
 433
 434   // if mouse is pressed when it was over view and at release the mouse is out of view, do nothing
 435   if (!myIsMouseOverViewProcessed)
 436     return;
 437
 438   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
 439   ModuleBase_IViewer* aViewer = aWorkshop->viewer();
 440   if (!aViewer->canDragByMouse())
 441     return;
 442   ModuleBase_Operation* aOp = getCurrentOperation();
 443   if (aOp) {
 444     if (isNestedSketchOperation(aOp)) {
 445       // Only for sketcher operations
 446       if (aWasDragging) {
 447         if (myDragDone) {
 448           /// the previous selection is lost by mouse release in the viewer(Select method), but
 449           /// it is still stored in myCurrentSelection. So, it is possible to restore selection
 450           /// It is important for drag(edit with mouse) of sketch entities.
 451           restoreSelection(myCurrentSelection);
 452           myCurrentSelection.clear();
 453         }
 454       }
 455     }
 456   }
 457
 458   aWorkshop->viewer()->enableDrawMode(myPreviousDrawModeEnabled);
 459
 460   ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
 461   PartSet_MouseProcessor* aProcessor = dynamic_cast<PartSet_MouseProcessor*>(anActiveWidget);
 462   if (aProcessor)
 463     aProcessor->mouseReleased(theWnd, theEvent);
 464 }
 465
 466 void PartSet_SketcherMgr::onMouseMoved(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 467 {
 468 #ifdef DEBUG_SKETCH_ENTITIES_ON_MOVE
 469   CompositeFeaturePtr aSketch = activeSketch();
 470   if (aSketch.get()) {
 471     std::cout << "mouse move SKETCH FEATURES [" << aSketch->numberOfSubs() << "]:" << std::endl;
 472     QStringList anInfo;
 473     for (int i = 0, aNbSubs = aSketch->numberOfSubs(); i < aNbSubs; i++) {
 474       //std::cout << getFeatureInfo(aSketch->subFeature(i), false) << std::endl;
 475       anInfo.append(ModuleBase_Tools::objectInfo(aSketch->subFeature(i)));
 476     }
 477     QString anInfoStr = anInfo.join("\n");
 478     qDebug(QString("%1").arg(anInfo.size()).arg(anInfoStr).toStdString().c_str());
 479   }
 480 #endif
 481
 482   if (myModule->sketchReentranceMgr()->processMouseMoved(theWnd, theEvent))
 483     return;
 484
 485   if (isNestedCreateOperation(getCurrentOperation(), activeSketch())) {
 486     // 1. perform the widget mouse move functionality and display the presentation
 487     // the mouse move should be processed in the widget, if it can in order to visualize correct
 488     // presentation. These widgets correct the feature attribute according to the mouse position
 489     ModuleBase_ModelWidget* anActiveWidget = myModule->activeWidget();
 490     PartSet_MouseProcessor* aProcessor = dynamic_cast<PartSet_MouseProcessor*>(anActiveWidget);
 491     if (aProcessor)
 492       aProcessor->mouseMoved(theWnd, theEvent);
 493     if (!myIsMouseOverViewProcessed) {
 494       myIsMouseOverViewProcessed = true;
 495
 496       // the feature is to be erased here, but it is correct to call canDisplayObject because
 497       // there can be additional check (e.g. editor widget in distance constraint)
 498       ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 499                                                  (getCurrentOperation());
 500       if (aFOperation) {
 501         FeaturePtr aFeature = aFOperation->feature();
 502         visualizeFeature(aFeature, aFOperation->isEditOperation(), canDisplayObject(aFeature));
 503       }
 504     }
 505   }
 506   //myClickedPoint.clear();
 507
 508   if (myIsDragging) {
 509     // 1. the current selection is saved in the mouse press method in order to restore it after
 510     //    moving
 511     // 2. the enable selection in the viewer should be temporary switched off in order to ignore
 512     // mouse press signal in the viewer(it call Select for AIS context and the dragged objects are
 513     // deselected). This flag should be restored in the slot, processed the mouse release signal.
 514
 515     ModuleBase_Operation* aCurrentOperation = getCurrentOperation();
 516     if (!aCurrentOperation)
 517       return;
 518     if (isSketchOperation(aCurrentOperation))
 519       return; // No edit operation activated
 520
 521     Handle(V3d_View) aView = theWnd->v3dView();
 522     gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), aView);
 523     Point aMousePnt;
 524     get2dPoint(theWnd, theEvent, aMousePnt);
 525     double dX =  aMousePnt.myCurX - myCurrentPoint.myCurX;
 526     double dY =  aMousePnt.myCurY - myCurrentPoint.myCurY;
 527
 528     ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
 529     XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
 530     XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 531     // 3. the flag to disable the update viewer should be set in order to avoid blinking in the
 532     // viewer happens by deselect/select the modified objects. The flag should be restored after
 533     // the selection processing. The update viewer should be also called.
 534     bool isEnableUpdateViewer = aDisplayer->enableUpdateViewer(false);
 535
 536     static Events_ID aMoveEvent = Events_Loop::eventByName(EVENT_OBJECT_MOVED);
 537     //static Events_ID aUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
 538     FeatureToSelectionMap::const_iterator anIt = myCurrentSelection.begin(),
 539                                           aLast = myCurrentSelection.end();
 540     // 4. the features and attributes modification(move)
 541     bool isModified = false;
 542     for (; anIt != aLast; anIt++) {
 543       FeaturePtr aFeature = anIt.key();
 544
 545       std::set<AttributePtr> anAttributes = anIt.value().myAttributes;
 546       // Process selection by attribute: the priority to the attribute
 547       if (!anAttributes.empty()) {
 548         std::set<AttributePtr>::const_iterator anAttIt = anAttributes.begin(),
 549                                                anAttLast = anAttributes.end();
 550         for (; anAttIt != anAttLast; anAttIt++) {
 551           AttributePtr anAttr = *anAttIt;
 552           if (anAttr.get() == NULL)
 553             continue;
 554           std::string aAttrId = anAttr->id();
 555           DataPtr aData = aFeature->data();
 556           if (aData->isValid()) {
 557             std::shared_ptr<GeomDataAPI_Point2D> aPoint =
 558               std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(aAttrId));
 559             if (aPoint.get() != NULL) {
 560               bool isImmutable = aPoint->setImmutable(true);
 561               aPoint->move(dX, dY);
 562               isModified = true;
 563               ModelAPI_EventCreator::get()->sendUpdated(aFeature, aMoveEvent);
 564               aPoint->setImmutable(isImmutable);
 565             }
 566           }
 567         }
 568       } else {
 569         // Process selection by feature
 570         std::shared_ptr<SketchPlugin_Feature> aSketchFeature =
 571           std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 572         if (aSketchFeature) {
 573           aSketchFeature->move(dX, dY);
 574           isModified = true;
 575           ModelAPI_EventCreator::get()->sendUpdated(aSketchFeature, aMoveEvent);
 576         }
 577       }
 578     }
 579     // the modified state of the current operation should be updated if there are features, which
 580     // were changed here
 581     if (isModified) {
 582       aCurrentOperation->onValuesChanged();
 583     }
 584     Events_Loop::loop()->flush(aMoveEvent); // up all move events - to be processed in the solver
 585     //Events_Loop::loop()->flush(aUpdateEvent); // up update events - to redisplay presentations
 586
 587     // 5. it is necessary to save current selection in order to restore it after the features moving
 588     restoreSelection(myCurrentSelection);
 589     // 6. restore the update viewer flag and call this update
 590     aDisplayer->enableUpdateViewer(isEnableUpdateViewer);
 591     aDisplayer->updateViewer();
 592
 593     myDragDone = true;
 594     myCurrentPoint = aMousePnt;
 595   }
 596 }
 597
 598 void PartSet_SketcherMgr::onMouseDoubleClick(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 599 {
 600   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 601                                                                (getCurrentOperation());
 602   if (aFOperation && aFOperation->isEditOperation()) {
 603     std::string aId = aFOperation->id().toStdString();
 604     if (isDistanceOperation(aFOperation))
 605     {
 606       // Activate dimension value editing on double click
 607       ModuleBase_IPropertyPanel* aPanel = aFOperation->propertyPanel();
 608       QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
 609       // Find corresponded widget to activate value editing
 610       foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
 611         if (aWgt->attributeID() == SketchPlugin_Constraint::VALUE() ||
 612             aWgt->attributeID() == SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID()) {
 613           PartSet_WidgetEditor* anEditor = dynamic_cast<PartSet_WidgetEditor*>(aWgt);
 614           if (anEditor)
 615             anEditor->showPopupEditor();
 616           return;
 617         }
 618       }
 619     }
 620   }
 621 }
 622
 623 void PartSet_SketcherMgr::onApplicationStarted()
 624 {
 625   ModuleBase_IWorkshop* anIWorkshop = myModule->workshop();
 626   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(anIWorkshop);
 627   XGUI_Workshop* aWorkshop = aConnector->workshop();
 628   PartSet_SketcherReentrantMgr* aReentranceMgr = myModule->sketchReentranceMgr();
 629
 630   XGUI_PropertyPanel* aPropertyPanel = aWorkshop->propertyPanel();
 631   if (aPropertyPanel) {
 632     //connect(aPropertyPanel, SIGNAL(beforeWidgetActivated(ModuleBase_ModelWidget*)),
 633     //        this, SLOT(onBeforeWidgetActivated(ModuleBase_ModelWidget*)));
 634
 635     connect(aPropertyPanel, SIGNAL(noMoreWidgets(const std::string&)),
 636             aReentranceMgr, SLOT(onNoMoreWidgets(const std::string&)));
 637     connect(aPropertyPanel, SIGNAL(widgetActivated(ModuleBase_ModelWidget*)),
 638             aReentranceMgr, SLOT(onWidgetActivated()));
 639   }
 640
 641   XGUI_ViewerProxy* aViewerProxy = aWorkshop->viewer();
 642   connect(aViewerProxy, SIGNAL(enterViewPort()), this, SLOT(onEnterViewPort()));
 643   connect(aViewerProxy, SIGNAL(leaveViewPort()), this, SLOT(onLeaveViewPort()));
 644
 645   XGUI_ContextMenuMgr* aContextMenuMgr = aWorkshop->contextMenuMgr();
 646   connect(aContextMenuMgr, SIGNAL(beforeContextMenu()), this, SLOT(onBeforeContextMenu()));
 647   connect(aContextMenuMgr, SIGNAL(afterContextMenu()), this, SLOT(onAfterContextMenu()));
 648 }
 649
 650 //void PartSet_SketcherMgr::onBeforeWidgetActivated(ModuleBase_ModelWidget* theWidget)
 651 //{
 652   //if (!myClickedPoint.myIsInitialized)
 653   //  return;
 654
 655   //ModuleBase_Operation* aOperation = getCurrentOperation();
 656   // the distance constraint feature should not use the clickedd point
 657   // this is workaround in order to don't throw down the flyout point value,
 658   // set by execute() method of these type of features
 659   //if (isDistanceOperation(aOperation))
 660   //  return;
 661
 662   //PartSet_WidgetPoint2D* aPnt2dWgt = dynamic_cast<PartSet_WidgetPoint2D*>(theWidget);
 663   //if (aPnt2dWgt) {
 664   //  aPnt2dWgt->setPoint(myClickedPoint.myCurX, myClickedPoint.myCurY);
 665   //}
 666 //}
 667
 668 void PartSet_SketcherMgr::onBeforeContextMenu()
 669 {
 670   myIsPopupMenuActive = true;
 671 }
 672
 673 void PartSet_SketcherMgr::onAfterContextMenu()
 674 {
 675   myIsPopupMenuActive = false;
 676 }
 677
 678 void PartSet_SketcherMgr::get2dPoint(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent,
 679                                      Point& thePoint)
 680 {
 681   Handle(V3d_View) aView = theWnd->v3dView();
 682   gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), aView);
 683   double aX, anY;
 684   PartSet_Tools::convertTo2D(aPoint, myCurrentSketch, aView, aX, anY);
 685   thePoint.setValue(aX, anY);
 686 }
 687
 688 void PartSet_SketcherMgr::launchEditing()
 689 {
 690   if (!myCurrentSelection.empty()) {
 691     FeaturePtr aFeature = myCurrentSelection.begin().key();
 692     std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 693               std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 694     if (aSPFeature && (!aSPFeature->isExternal())) {
 695       myModule->editFeature(aSPFeature);
 696     }
 697   }
 698 }
 699
 700 bool PartSet_SketcherMgr::sketchSolverError()
 701 {
 702   bool anError = false;
 703   CompositeFeaturePtr aSketch = activeSketch();
 704   if (aSketch.get()) {
 705     AttributeStringPtr aAttributeString = aSketch->string(SketchPlugin_Sketch::SOLVER_ERROR());
 706     anError = !aAttributeString->value().empty();
 707   }
 708   return anError;
 709 }
 710
 711 QString PartSet_SketcherMgr::getFeatureError(const FeaturePtr& theFeature)
 712 {
 713   QString anError;
 714   if (!theFeature.get() || !theFeature->data()->isValid())
 715     return anError;
 716
 717   CompositeFeaturePtr aSketch = activeSketch();
 718   if (aSketch.get() && aSketch == theFeature) {
 719     std::string aSolverError = aSketch->string(SketchPlugin_Sketch::SOLVER_ERROR())->value();
 720     anError = ModuleBase_Tools::translate(aSketch->getKind(), aSolverError);
 721   }
 722   return anError;
 723 }
 724
 725 void PartSet_SketcherMgr::clearClickedFlags()
 726 {
 727   //myClickedPoint.clear();
 728   myCurrentPoint.clear();
 729 }
 730
 731 const QStringList& PartSet_SketcherMgr::replicationsIdList()
 732 {
 733   static QStringList aReplicationIds;
 734   if (aReplicationIds.size() == 0) {
 735     aReplicationIds << SketchPlugin_ConstraintMirror::ID().c_str();
 736     aReplicationIds << SketchPlugin_MultiRotation::ID().c_str();
 737     aReplicationIds << SketchPlugin_MultiTranslation::ID().c_str();
 738   }
 739   return aReplicationIds;
 740 }
 741
 742 const QStringList& PartSet_SketcherMgr::constraintsIdList()
 743 {
 744   static QStringList aConstraintIds;
 745   if (aConstraintIds.size() == 0) {
 746     aConstraintIds << SketchPlugin_ConstraintLength::ID().c_str();
 747     aConstraintIds << SketchPlugin_ConstraintDistance::ID().c_str();
 748     aConstraintIds << SketchPlugin_ConstraintRigid::ID().c_str();
 749     aConstraintIds << SketchPlugin_ConstraintRadius::ID().c_str();
 750     aConstraintIds << SketchPlugin_ConstraintPerpendicular::ID().c_str();
 751     aConstraintIds << SketchPlugin_ConstraintParallel::ID().c_str();
 752     aConstraintIds << SketchPlugin_ConstraintHorizontal::ID().c_str();
 753     aConstraintIds << SketchPlugin_ConstraintVertical::ID().c_str();
 754     aConstraintIds << SketchPlugin_ConstraintEqual::ID().c_str();
 755     aConstraintIds << SketchPlugin_ConstraintTangent::ID().c_str();
 756     aConstraintIds << SketchPlugin_ConstraintCoincidence::ID().c_str();
 757     aConstraintIds << SketchPlugin_ConstraintAngle::ID().c_str();
 758     aConstraintIds << SketchPlugin_ConstraintCollinear::ID().c_str();
 759     aConstraintIds << SketchPlugin_ConstraintMiddle::ID().c_str();
 760     aConstraintIds << SketchPlugin_ConstraintMirror::ID().c_str();
 761     aConstraintIds << SketchPlugin_MultiTranslation::ID().c_str();
 762     aConstraintIds << SketchPlugin_MultiRotation::ID().c_str();
 763   }
 764   return aConstraintIds;
 765 }
 766
 767 void PartSet_SketcherMgr::sketchSelectionModes(QIntList& theModes)
 768 {
 769   theModes.clear();
 770
 771   theModes.append(SketcherPrs_Tools::Sel_Dimension_Text);
 772   theModes.append(SketcherPrs_Tools::Sel_Dimension_Line);
 773   theModes.append(SketcherPrs_Tools::Sel_Constraint);
 774   theModes.append(TopAbs_VERTEX);
 775   theModes.append(TopAbs_EDGE);
 776 }
 777
 778 Handle(AIS_InteractiveObject) PartSet_SketcherMgr::createPresentation(const ResultPtr& theResult)
 779 {
 780   Handle(AIS_InteractiveObject) aPrs;
 781
 782   FeaturePtr aFeature = ModelAPI_Feature::feature(theResult);
 783   if (aFeature.get() && aFeature->getKind() == SketchPlugin_Sketch::ID()) {
 784     aPrs = new PartSet_ResultSketchPrs(theResult);
 785   }
 786   return aPrs;
 787 }
 788
 789 bool PartSet_SketcherMgr::isSketchOperation(ModuleBase_Operation* theOperation)
 790 {
 791   return theOperation && theOperation->id().toStdString() == SketchPlugin_Sketch::ID();
 792 }
 793
 794 bool PartSet_SketcherMgr::isNestedSketchOperation(ModuleBase_Operation* theOperation) const
 795 {
 796   bool aNestedSketch = false;
 797
 798   FeaturePtr anActiveSketch = activeSketch();
 799   if (anActiveSketch.get() && theOperation) {
 800     ModuleBase_Operation* aSketchOperation = operationMgr()->findOperation(
 801                                                               anActiveSketch->getKind().c_str());
 802     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 803                                                                                   (theOperation);
 804     if (aSketchOperation && aFOperation) {
 805       FeaturePtr aFeature = aFOperation->feature();
 806       if (aFeature.get()) {
 807         QStringList aGrantedOpIds = aSketchOperation->grantedOperationIds();
 808         aNestedSketch = aGrantedOpIds.contains(aFeature->getKind().c_str());
 809       }
 810     }
 811   }
 812   return aNestedSketch;
 813 }
 814
 815 bool PartSet_SketcherMgr::isNestedCreateOperation(ModuleBase_Operation* theOperation,
 816                                                   const CompositeFeaturePtr& theSketch) const
 817 {
 818   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 819                                                                (theOperation);
 820   return aFOperation && !aFOperation->isEditOperation() &&
 821          isNestedSketchOperation(aFOperation);
 822 }
 823
 824 bool PartSet_SketcherMgr::isNestedEditOperation(ModuleBase_Operation* theOperation,
 825                                                 const CompositeFeaturePtr& theSketch) const
 826 {
 827   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 828                                                                (theOperation);
 829   return aFOperation && aFOperation->isEditOperation() &&
 830     isNestedSketchOperation(aFOperation);
 831 }
 832
 833 bool PartSet_SketcherMgr::isEntity(const std::string& theId)
 834 {
 835   return (theId == SketchPlugin_Line::ID()) ||
 836          (theId == SketchPlugin_Point::ID()) ||
 837          (theId == SketchPlugin_Arc::ID()) ||
 838          (theId == SketchPlugin_Circle::ID());
 839 }
 840
 841 bool PartSet_SketcherMgr::isExternalFeature(const FeaturePtr& theFeature)
 842 {
 843   std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 844           std::dynamic_pointer_cast<SketchPlugin_Feature>(theFeature);
 845   return aSPFeature.get() && aSPFeature->isExternal();
 846 }
 847
 848 bool PartSet_SketcherMgr::isDistanceOperation(ModuleBase_Operation* theOperation)
 849 {
 850   std::string anId = theOperation ? theOperation->id().toStdString() : "";
 851
 852   return isDistanceKind(anId);
 853 }
 854
 855 bool PartSet_SketcherMgr::isDistanceKind(std::string& theKind)
 856 {
 857   return (theKind == SketchPlugin_ConstraintLength::ID()) ||
 858          (theKind == SketchPlugin_ConstraintDistance::ID()) ||
 859          (theKind == SketchPlugin_ConstraintRadius::ID()) ||
 860          (theKind == SketchPlugin_ConstraintAngle::ID());
 861 }
 862
 863 void PartSet_SketcherMgr::startSketch(ModuleBase_Operation* theOperation)
 864 {
 865   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 866                                                                (getCurrentOperation());
 867   if (!aFOperation)
 868     return;
 869
 870   myModule->onViewTransformed();
 871
 872   // Display all sketcher sub-Objects
 873   myCurrentSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFOperation->feature());
 874   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myModule->workshop());
 875
 876   // Hide sketcher result
 877   std::list<ResultPtr> aResults = myCurrentSketch->results();
 878   std::list<ResultPtr>::const_iterator aIt;
 879   for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
 880     (*aIt)->setDisplayed(false);
 881   }
 882   myCurrentSketch->setDisplayed(false);
 883
 884   // Remove invalid sketch entities
 885   std::set<FeaturePtr> anInvalidFeatures;
 886   ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 887   for (int i = 0; i < myCurrentSketch->numberOfSubs(); i++) {
 888     FeaturePtr aFeature = myCurrentSketch->subFeature(i);
 889     if (aFeature.get()) {
 890       if (!aFactory->validate(aFeature))
 891         anInvalidFeatures.insert(aFeature);
 892     }
 893   }
 894   if (!anInvalidFeatures.empty()) {
 895     std::map<FeaturePtr, std::set<FeaturePtr> > aReferences;
 896     ModelAPI_Tools::findAllReferences(anInvalidFeatures, aReferences, false);
 897
 898     std::set<FeaturePtr>::const_iterator anIt = anInvalidFeatures.begin(),
 899                                          aLast = anInvalidFeatures.end();
 900     // separate features to references to parameter features and references to others
 901     QStringList anInvalidFeatureNames;
 902     for (; anIt != aLast; anIt++) {
 903       FeaturePtr aFeature = *anIt;
 904       if (aFeature.get())
 905         anInvalidFeatureNames.append(aFeature->name().c_str());
 906     }
 907     std::string aPrefixInfo = QString("Invalid features of the sketch will be deleted: %1.\n\n").
 908                                   arg(anInvalidFeatureNames.join(", ")).toStdString().c_str();
 909     std::set<FeaturePtr> aFeatureRefsToDelete;
 910     if (ModuleBase_Tools::askToDelete(anInvalidFeatures, aReferences, aConnector->desktop(),
 911                                       aFeatureRefsToDelete, aPrefixInfo)) {
 912       if (!aFeatureRefsToDelete.empty())
 913         anInvalidFeatures.insert(aFeatureRefsToDelete.begin(), aFeatureRefsToDelete.end());
 914       ModelAPI_Tools::removeFeatures(anInvalidFeatures, true);
 915       Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 916       // TODO: call the next method in the XGUI_OperationMgr::onOperationStarted().
 917       workshop()->errorMgr()->updateAcceptAllAction(myCurrentSketch);
 918     }
 919   }
 920
 921   // update state of overconstraint listener should be done before sketch features/results
 922   // display (as the display will ask custom color from the listener)
 923   myModule->overconstraintListener()->setActive(true);
 924   // Display sketcher objects
 925   QStringList anInfo;
 926   Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 927   const ModelAPI_EventCreator* aECreator = ModelAPI_EventCreator::get();
 928   for (int i = 0; i < myCurrentSketch->numberOfSubs(); i++) {
 929     FeaturePtr aFeature = myCurrentSketch->subFeature(i);
 930 #ifdef DEBUG_SKETCHER_ENTITIES
 931     anInfo.append(ModuleBase_Tools::objectInfo(aFeature));
 932 #endif
 933     std::list<ResultPtr> aResults = aFeature->results();
 934     std::list<ResultPtr>::const_iterator aIt;
 935     for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
 936       if ((*aIt)->isDisplayed())
 937         // Display object if it was created outside of GUI
 938         aECreator->sendUpdated((*aIt), EVENT_DISP);
 939       else
 940         (*aIt)->setDisplayed(true);
 941     }
 942     if (aFeature->isDisplayed())
 943       aECreator->sendUpdated(aFeature, EVENT_DISP);
 944     else
 945       aFeature->setDisplayed(true);
 946   }
 947 #ifdef DEBUG_SKETCHER_ENTITIES
 948   QString anInfoStr = anInfo.join(";\t");
 949   qDebug(QString("startSketch: %1, %2").arg(anInfo.size()).arg(anInfoStr).toStdString().c_str());
 950 #endif
 951
 952   if(myCirclePointFilter.IsNull()) {
 953     myCirclePointFilter = new PartSet_CirclePointFilter(myModule->workshop());
 954   }
 955
 956   myModule->workshop()->viewer()->addSelectionFilter(myCirclePointFilter);
 957
 958   if (myPlaneFilter.IsNull())
 959     myPlaneFilter = new ModuleBase_ShapeInPlaneFilter();
 960
 961   myModule->workshop()->viewer()->addSelectionFilter(myPlaneFilter);
 962   bool aHasPlane = false;
 963   std::shared_ptr<GeomAPI_Pln> aPln;
 964   aPln = PartSet_Tools::sketchPlane(myCurrentSketch);
 965   myPlaneFilter->setPlane(aPln);
 966
 967   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
 968   // all displayed objects should be activated in current selection modes according to switched
 969   // plane filter
 970   if (aPln.get())
 971     aConnector->activateModuleSelectionModes();
 972 }
 973
 974 void PartSet_SketcherMgr::stopSketch(ModuleBase_Operation* theOperation)
 975 {
 976   myIsMouseOverWindow = false;
 977   myIsConstraintsShown[PartSet_Tools::Geometrical] = true;
 978   myIsConstraintsShown[PartSet_Tools::Dimensional] = true;
 979   myIsConstraintsShown[PartSet_Tools::Expressions] = false;
 980
 981   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myModule->workshop());
 982
 983   DataPtr aData = myCurrentSketch->data();
 984   if (!aData->isValid()) {
 985     XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 986     // The sketch was aborted
 987     myCurrentSketch = CompositeFeaturePtr();
 988     // TODO: move this outside of if-else
 989     myModule->workshop()->viewer()->removeSelectionFilter(myCirclePointFilter);
 990     myModule->workshop()->viewer()->removeSelectionFilter(myPlaneFilter);
 991
 992     // Erase all sketcher objects
 993     QObjectPtrList aObjects = aDisplayer->displayedObjects();
 994     foreach (ObjectPtr aObj, aObjects) {
 995       DataPtr aObjData = aObj->data();
 996       if (!aObjData->isValid())
 997         aObj->setDisplayed(false);
 998     }
 999   }
1000   else {
1001     // Hide all sketcher sub-Objects
1002     for (int i = 0; i < myCurrentSketch->numberOfSubs(); i++) {
1003       FeaturePtr aFeature = myCurrentSketch->subFeature(i);
1004       std::list<ResultPtr> aResults = aFeature->results();
1005       std::list<ResultPtr>::const_iterator aIt;
1006       for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
1007         (*aIt)->setDisplayed(false);
1008       }
1009       aFeature->setDisplayed(false);
1010     }
1011     // Display sketcher result
1012     std::list<ResultPtr> aResults = myCurrentSketch->results();
1013     std::list<ResultPtr>::const_iterator aIt;
1014     Events_Loop* aLoop = Events_Loop::loop();
1015     static Events_ID aDispEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
1016
1017     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1018                                                                            (theOperation);
1019     for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
1020       if (!aFOperation->isDisplayedOnStart(*aIt)) {
1021         (*aIt)->setDisplayed(true);
1022         // this display event is needed because sketch already may have "displayed" state,
1023         // but not displayed while it is still active (issue 613, abort of existing sketch)
1024         ModelAPI_EventCreator::get()->sendUpdated(*aIt, aDispEvent);
1025       }
1026     }
1027     if (!aFOperation->isDisplayedOnStart(myCurrentSketch))
1028       myCurrentSketch->setDisplayed(true);
1029
1030     myCurrentSketch = CompositeFeaturePtr();
1031
1032     myModule->workshop()->viewer()->removeSelectionFilter(myCirclePointFilter);
1033     myModule->workshop()->viewer()->removeSelectionFilter(myPlaneFilter);
1034
1035     Events_Loop::loop()->flush(aDispEvent);
1036   }
1037   myModule->overconstraintListener()->setActive(false);
1038   // restore the module selection modes, which were changed on startSketch
1039   aConnector->activateModuleSelectionModes();
1040 }
1041
1042 void PartSet_SketcherMgr::startNestedSketch(ModuleBase_Operation* theOperation)
1043 {
1044   if (canChangeCursor(theOperation) && myIsMouseOverWindow) {
1045     QCursor* aCurrentCursor = QApplication::overrideCursor();
1046     if (!aCurrentCursor || aCurrentCursor->shape() != Qt::CrossCursor) {
1047       QApplication::setOverrideCursor(QCursor(Qt::CrossCursor));
1048 #ifdef DEBUG_CURSOR
1049       qDebug("startNestedSketch() : Qt::CrossCursor");
1050 #endif
1051     }
1052   }
1053 }
1054
1055 void PartSet_SketcherMgr::stopNestedSketch(ModuleBase_Operation* theOperation)
1056 {
1057   myIsMouseOverViewProcessed = true;
1058   operationMgr()->onValidateOperation();
1059   // when sketch nested operation is stopped the cursor should be restored unconditionally
1060   //if (canChangeCursor(theOperation)) {
1061     QApplication::restoreOverrideCursor();
1062 #ifdef DEBUG_CURSOR
1063     qDebug("stopNestedSketch() : None");
1064 #endif
1065   //}
1066   /// improvement to deselect automatically all eventual selected objects, when
1067   // returning to the neutral point of the Sketcher
1068   bool isClearSelectionPossible = true;
1069   if (myIsEditLaunching) {
1070     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1071                                                                           (theOperation);
1072     if (aFOperation) {
1073       FeaturePtr aFeature = aFOperation->feature();
1074       if (aFeature.get() && PartSet_SketcherMgr::isEntity(aFeature->getKind())) {
1075         isClearSelectionPossible = false;
1076       }
1077     }
1078   }
1079   if (isClearSelectionPossible)
1080     workshop()->selector()->clearSelection();
1081 }
1082
1083 void PartSet_SketcherMgr::commitNestedSketch(ModuleBase_Operation* theOperation)
1084 {
1085   if (isNestedCreateOperation(theOperation, activeSketch())) {
1086     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1087                                                                              (theOperation);
1088     if (aFOperation) {
1089       FeaturePtr aFeature = aFOperation->feature();
1090       // it is necessary to check the the feature data validity because
1091       // some kind of features are removed by an operation commit(the macro state of a feature)
1092       if (aFeature.get() && aFeature->data()->isValid()) {
1093         visualizeFeature(aFeature, aFOperation->isEditOperation(), true);
1094       }
1095     }
1096   }
1097 }
1098
1099 void PartSet_SketcherMgr::activatePlaneFilter(const bool& toActivate)
1100 {
1101   if (toActivate)
1102     myModule->workshop()->viewer()->addSelectionFilter(myPlaneFilter);
1103   else
1104     myModule->workshop()->viewer()->removeSelectionFilter(myPlaneFilter);
1105 }
1106
1107 bool PartSet_SketcherMgr::operationActivatedByPreselection()
1108 {
1109   bool isOperationStopped = false;
1110   ModuleBase_Operation* anOperation = getCurrentOperation();
1111   if(anOperation && isNestedSketchOperation(anOperation)) {
1112     // Set final definitions if they are necessary
1113     //propertyPanelDefined(aOperation);
1114     /// Commit sketcher operations automatically
1115     /// distance operation are able to show popup editor to modify the distance value
1116     /// after entering the value, the operation should be committed/aborted(by Esc key)
1117     bool aCanCommitOperation = true;
1118     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1119                                                                             (anOperation);
1120     if (aFOperation && PartSet_SketcherMgr::isDistanceOperation(aFOperation)) {
1121       bool aValueAccepted = setDistanceValueByPreselection(anOperation, myModule->workshop(),
1122                                                            aCanCommitOperation);
1123       if (!aValueAccepted)
1124         return isOperationStopped;
1125     }
1126
1127     if (aCanCommitOperation)
1128       isOperationStopped = anOperation->commit();
1129     else {
1130       anOperation->abort();
1131       isOperationStopped = true;
1132     }
1133   }
1134   return isOperationStopped;
1135 }
1136
1137 bool PartSet_SketcherMgr::canUndo() const
1138 {
1139   return isNestedCreateOperation(getCurrentOperation(), activeSketch());
1140 }
1141
1142 bool PartSet_SketcherMgr::canRedo() const
1143 {
1144   return isNestedCreateOperation(getCurrentOperation(), activeSketch());
1145 }
1146
1147 bool PartSet_SketcherMgr::canEraseObject(const ObjectPtr& theObject) const
1148 {
1149   bool aCanErase = true;
1150   // when the sketch operation is active, results of sketch sub-feature can not be hidden
1151   if (myCurrentSketch.get()) {
1152     return !isObjectOfSketch(theObject);
1153   }
1154   return aCanErase;
1155 }
1156
1157 bool PartSet_SketcherMgr::canDisplayObject(const ObjectPtr& theObject) const
1158 {
1159   bool aCanDisplay = true;
1160
1161   bool aHasActiveSketch = activeSketch().get() != NULL;
1162   if (aHasActiveSketch) {
1163     // 1. the sketch feature should not be displayed during the sketch active operation
1164     // it is hidden by a sketch operation start and shown by a sketch stop, just the sketch
1165     // nested features can be visualized
1166     FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
1167     if (aFeature.get() != NULL && aFeature == activeSketch()) {
1168       aCanDisplay = false;
1169     }
1170     std::shared_ptr<SketchPlugin_Feature> aSketchFeature =
1171                             std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
1172     /// some sketch entities should be never shown, e.g. projection feature
1173     if (aSketchFeature.get())
1174       aCanDisplay = aSketchFeature->canBeDisplayed();
1175   }
1176   else { // there are no an active sketch
1177     // 2. sketch sub-features should not be visualized if the sketch operation is not active
1178     FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
1179     if (aFeature.get() != NULL) {
1180       std::shared_ptr<SketchPlugin_Feature> aSketchFeature =
1181                               std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
1182       if (aSketchFeature.get()) {
1183         aCanDisplay = false;
1184       }
1185     }
1186   }
1187
1188   // 3. the method should not filter the objects, which are not related to the current operation.
1189   // The object is filtered just if it is a current operation feature or this feature result
1190   if (aCanDisplay) {
1191     bool isObjectFound = false;
1192     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1193                                                                  (getCurrentOperation());
1194     if (aFOperation) {
1195       FeaturePtr aFeature = aFOperation->feature();
1196       if (aFeature.get()) {
1197         std::list<ResultPtr> aResults = aFeature->results();
1198         if (theObject == aFeature)
1199           isObjectFound = true;
1200         else {
1201           std::list<ResultPtr>::const_iterator anIt = aResults.begin(), aLast = aResults.end();
1202           for (; anIt != aLast && !isObjectFound; anIt++) {
1203             isObjectFound = *anIt == theObject;
1204           }
1205         }
1206       }
1207     }
1208     if (isObjectFound) {
1209       // 4. For created nested feature operation do not display the created feature if
1210       // the mouse curstor leaves the OCC window.
1211       // The correction cases, which ignores this condition:
1212       // a. the property panel values modification
1213       // b. the popup menu activated
1214       // c. widget editor control
1215       #ifndef DEBUG_DO_NOT_BY_ENTER
1216       if (isNestedCreateOperation(getCurrentOperation(), activeSketch())) {
1217         ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
1218         ModuleBase_WidgetEditor* anEditorWdg =
1219           anActiveWidget ? dynamic_cast<ModuleBase_WidgetEditor*>(anActiveWidget) : 0;
1220         // the active widget editor should not influence here. The presentation should be visible
1221         // always when this widget is active.
1222         if (!anEditorWdg && !myIsPopupMenuActive) {
1223           // during a nested create operation, the feature is redisplayed only
1224           // if the mouse over view
1225           // of there was a value modified in the property panel after the mouse left the view
1226           aCanDisplay = canDisplayCurrentCreatedFeature();
1227         }
1228       }
1229       #endif
1230     }
1231   }
1232
1233   // checks the sketcher constraints visibility according to active sketch check box states
1234   if (aCanDisplay) {
1235     bool aProcessed = false;
1236     FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
1237     if (aFeature.get()) {
1238       bool aConstraintDisplayed = canDisplayConstraint(aFeature, PartSet_Tools::Any, aProcessed);
1239       if (aProcessed)
1240         aCanDisplay = aConstraintDisplayed;
1241     }
1242   }
1243
1244   return aCanDisplay;
1245 }
1246
1247 bool PartSet_SketcherMgr::canDisplayConstraint(const FeaturePtr& theFeature,
1248                                              const PartSet_Tools::ConstraintVisibleState& theState,
1249                                              bool& isProcessed) const
1250 {
1251   bool aSwitchedOn = true;
1252
1253   const QStringList& aConstrIds = constraintsIdList();
1254
1255   std::string aKind = theFeature->getKind();
1256   if (aConstrIds.contains(QString(aKind.c_str()))) {
1257     bool isTypedConstraint = false;
1258
1259     switch (theState) {
1260       case PartSet_Tools::Dimensional: {
1261         bool isDistance = isDistanceKind(aKind);
1262         if (isDistance) {
1263           isProcessed = true;
1264           aSwitchedOn = myIsConstraintsShown[theState];
1265         }
1266       }
1267       break;
1268       case PartSet_Tools::Geometrical: {
1269         bool isGeometrical = !isDistanceKind(aKind);
1270         if (isGeometrical) {
1271           isProcessed = true;
1272           aSwitchedOn = myIsConstraintsShown[theState];
1273         }
1274       }
1275       break;
1276       case PartSet_Tools::Any: {
1277         isProcessed = true;
1278         bool isDistance = isDistanceKind(aKind);
1279         if (isDistance)
1280           aSwitchedOn = myIsConstraintsShown[PartSet_Tools::Dimensional];
1281         else
1282           aSwitchedOn = myIsConstraintsShown[PartSet_Tools::Geometrical];
1283       }
1284       break;
1285     default:
1286       break;
1287     }
1288   }
1289   return aSwitchedOn;
1290 }
1291
1292 /*void PartSet_SketcherMgr::processHiddenObject(const std::list<ObjectPtr>& theObjects)
1293 {
1294   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1295                                                                            (getCurrentOperation());
1296   if (aFOperation && myCurrentSketch.get()) {
1297     // find results of the current operation
1298     // these results should not be proposed to be deleted
1299     FeaturePtr anOperationFeature = aFOperation->feature();
1300     std::list<ResultPtr> anOperationResultList = anOperationFeature->results();
1301     std::set<ResultPtr> anOperationResults;
1302     std::list<ResultPtr>::const_iterator aRIt = anOperationResultList.begin(),
1303                                         aRLast = anOperationResultList.end();
1304     for (; aRIt != aRLast; aRIt++)
1305       anOperationResults.insert(*aRIt);
1306
1307     std::set<FeaturePtr> anObjectsToBeDeleted;
1308     QStringList anObjectsToBeDeletedNames;
1309     std::list<ObjectPtr>::const_iterator anIt = theObjects.begin(), aLast = theObjects.end();
1310     for (; anIt != aLast; anIt++) {
1311       ObjectPtr anObject = *anIt;
1312       bool aCanErase = true;
1313       // when the sketch operation is active, results of sketch sub-feature can not be hidden
1314       ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
1315       // the result is found between current feature results
1316       if (anOperationResults.find(aResult) != anOperationResults.end())
1317         continue;
1318
1319       if (aResult.get()) {
1320         // Display sketcher objects
1321         for (int i = 0; i < myCurrentSketch->numberOfSubs() && aCanErase; i++) {
1322           FeaturePtr aFeature = myCurrentSketch->subFeature(i);
1323           std::list<ResultPtr> aResults = aFeature->results();
1324           std::list<ResultPtr>::const_iterator anIt;
1325           for (anIt = aResults.begin(); anIt != aResults.end() && aCanErase; ++anIt) {
1326             aCanErase = *anIt != aResult;
1327           }
1328         }
1329       }
1330       if (!aCanErase) {
1331         FeaturePtr aFeature = ModelAPI_Feature::feature(anObject);
1332         if (aFeature.get() && anObjectsToBeDeleted.find(aFeature) == anObjectsToBeDeleted.end()) {
1333           anObjectsToBeDeleted.insert(aFeature);
1334           anObjectsToBeDeletedNames.append(aFeature->name().c_str());
1335         }
1336       }
1337     }
1338     if (!anObjectsToBeDeleted.empty()) {
1339       QString aFeatureNames = anObjectsToBeDeletedNames.join(", ");
1340       QString aMessage = tr("The following features have incorrect presentation and \
1341 will be hidden: %1. Would you like to delete them?")
1342                          .arg(aFeatureNames);
1343       int anAnswer = QMessageBox::question(qApp->activeWindow(), tr("Features hide"),
1344                                            aMessage, QMessageBox::Ok | QMessageBox::Cancel,
1345                                            QMessageBox::Cancel);
1346       if (anAnswer == QMessageBox::Ok) {
1347         QObjectPtrList anObjects;
1348         std::set<FeaturePtr>::const_iterator anIt = anObjectsToBeDeleted.begin(),
1349                                              aLast = anObjectsToBeDeleted.end();
1350         for (; anIt != aLast; anIt++)
1351           anObjects.append(*anIt);
1352         SessionPtr aMgr = ModelAPI_Session::get();
1353         DocumentPtr aDoc = aMgr->activeDocument();
1354         bool aIsOp = aMgr->isOperation();
1355         if (!aIsOp)
1356           aMgr->startOperation();
1357         workshop()->deleteFeatures(anObjects);
1358         //static Events_ID aDeletedEvent = Events_Loop::eventByName(EVENT_OBJECT_DELETED);
1359         //static Events_ID aRedispEvent = Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY);
1360         //Events_Loop::loop()->flush(aDeletedEvent);
1361         //Events_Loop::loop()->flush(aRedispEvent);
1362
1363         if (!aIsOp)
1364           aMgr->finishOperation();
1365       }
1366     }
1367   }
1368 }*/
1369
1370 bool PartSet_SketcherMgr::canDisplayCurrentCreatedFeature() const
1371 {
1372   bool aCanDisplay = myIsMouseOverWindow;
1373   if (!aCanDisplay) {
1374     ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
1375     if (anActiveWidget)
1376       aCanDisplay = anActiveWidget->getValueState() == ModuleBase_ModelWidget::Stored;
1377   }
1378   return aCanDisplay;
1379 }
1380
1381 bool PartSet_SketcherMgr::canChangeCursor(ModuleBase_Operation* theOperation) const
1382 {
1383   return isNestedCreateOperation(theOperation, activeSketch()) ||
1384          myModule->sketchReentranceMgr()->isInternalEditActive();
1385 }
1386
1387 const QMap<PartSet_Tools::ConstraintVisibleState, bool>& PartSet_SketcherMgr::showConstraintStates()
1388 {
1389   return myIsConstraintsShown;
1390 }
1391
1392 bool PartSet_SketcherMgr::isObjectOfSketch(const ObjectPtr& theObject) const
1393 {
1394   bool isFoundObject = false;
1395
1396   FeaturePtr anObjectFeature = ModelAPI_Feature::feature(theObject);
1397   if (anObjectFeature.get()) {
1398     int aSize = myCurrentSketch->numberOfSubs();
1399     for (int i = 0; i < myCurrentSketch->numberOfSubs() && !isFoundObject; i++) {
1400       FeaturePtr aCurrentFeature = myCurrentSketch->subFeature(i);
1401       isFoundObject = myCurrentSketch->subFeature(i) == anObjectFeature;
1402     }
1403   }
1404   return isFoundObject;
1405 }
1406
1407 void PartSet_SketcherMgr::onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>& thePln)
1408 {
1409   if (myPlaneFilter.IsNull())
1410    myPlaneFilter = new ModuleBase_ShapeInPlaneFilter();
1411
1412   myPlaneFilter->setPlane(thePln);
1413 }
1414
1415 bool PartSet_SketcherMgr::setDistanceValueByPreselection(ModuleBase_Operation* theOperation,
1416                                                          ModuleBase_IWorkshop* theWorkshop,
1417                                                          bool& theCanCommitOperation)
1418 {
1419   bool isValueAccepted = false;
1420   theCanCommitOperation = false;
1421
1422   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1423                                                                               (theOperation);
1424   FeaturePtr aFeature = aFOperation->feature();
1425   // editor is shown only if all attribute references are filled by preseletion
1426   bool anAllRefAttrInitialized = true;
1427
1428   std::list<AttributePtr> aRefAttrs = aFeature->data()->attributes(
1429                                               ModelAPI_AttributeRefAttr::typeId());
1430   std::list<AttributePtr>::const_iterator anIt = aRefAttrs.begin(), aLast = aRefAttrs.end();
1431   for (; anIt != aLast && anAllRefAttrInitialized; anIt++) {
1432     anAllRefAttrInitialized = (*anIt)->isInitialized();
1433   }
1434   if (anAllRefAttrInitialized) {
1435     // Activate dimension value editing on double click
1436     ModuleBase_IPropertyPanel* aPanel = aFOperation->propertyPanel();
1437     QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
1438     // Find corresponded widget to activate value editing
1439     foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
1440       if (aWgt->attributeID() == "ConstraintValue") {
1441         // the featue should be displayed in order to find the AIS text position,
1442         // the place where the editor will be shown
1443         aFeature->setDisplayed(true);
1444         /// the execute is necessary to perform in the feature compute for flyout position
1445         aFeature->execute();
1446
1447         Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
1448         Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1449
1450         PartSet_WidgetEditor* anEditor = dynamic_cast<PartSet_WidgetEditor*>(aWgt);
1451         if (anEditor) {
1452           int aX = 0, anY = 0;
1453
1454           XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(theWorkshop);
1455           XGUI_Displayer* aDisplayer = aWorkshop->displayer();
1456           AISObjectPtr anAIS = aDisplayer->getAISObject(aFeature);
1457           Handle(AIS_InteractiveObject) anAISIO;
1458           if (anAIS.get() != NULL) {
1459             anAISIO = anAIS->impl<Handle(AIS_InteractiveObject)>();
1460           }
1461           if (anAIS.get() != NULL) {
1462             Handle(AIS_InteractiveObject) anAISIO = anAIS->impl<Handle(AIS_InteractiveObject)>();
1463
1464             if (!anAISIO.IsNull()) {
1465               Handle(AIS_Dimension) aDim = Handle(AIS_Dimension)::DownCast(anAISIO);
1466               if (!aDim.IsNull()) {
1467                 gp_Pnt aPosition = aDim->GetTextPosition();
1468
1469                 ModuleBase_IViewer* aViewer = aWorkshop->viewer();
1470                 Handle(V3d_View) aView = aViewer->activeView();
1471                 int aCX, aCY;
1472                 aView->Convert(aPosition.X(), aPosition.Y(), aPosition.Z(), aCX, aCY);
1473
1474                 QWidget* aViewPort = aViewer->activeViewPort();
1475                 QPoint aGlPoint = aViewPort->mapToGlobal(QPoint(aCX, aCY));
1476                 aX = aGlPoint.x();
1477                 anY = aGlPoint.y();
1478               }
1479             }
1480             anEditor->setCursorPosition(aX, anY);
1481             isValueAccepted = anEditor->showPopupEditor(false);
1482             theCanCommitOperation = true;
1483           }
1484         }
1485       }
1486     }
1487   }
1488   return isValueAccepted;
1489 }
1490
1491 void PartSet_SketcherMgr::getSelectionOwners(const FeaturePtr& theFeature,
1492                                              const FeaturePtr& theSketch,
1493                                              ModuleBase_IWorkshop* theWorkshop,
1494                                              const FeatureToSelectionMap& theSelection,
1495                                              SelectMgr_IndexedMapOfOwner& theOwnersToSelect)
1496 {
1497   if (theFeature.get() == NULL)
1498     return;
1499
1500   FeatureToSelectionMap::const_iterator anIt = theSelection.find(theFeature);
1501   SelectionInfo anInfo = anIt.value();
1502   std::set<AttributePtr> aSelectedAttributes = anInfo.myAttributes;
1503   std::set<ResultPtr> aSelectedResults = anInfo.myResults;
1504
1505   ModuleBase_IViewer* aViewer = theWorkshop->viewer();
1506
1507   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWorkshop);
1508   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
1509
1510   // 1. found the feature's owners. Check the AIS objects of the constructions
1511   AISObjectPtr aAISObj = aDisplayer->getAISObject(theFeature);
1512   if (aAISObj.get() != NULL && aSelectedAttributes.empty() && aSelectedResults.empty()) {
1513     Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
1514
1515     SelectMgr_IndexedMapOfOwner aSelectedOwners;
1516     aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
1517     for  (Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++) {
1518       Handle(SelectMgr_EntityOwner) anOwner = aSelectedOwners(i);
1519       if (!anOwner.IsNull())
1520         theOwnersToSelect.Add(anOwner);
1521     }
1522   }
1523
1524   // 2. found the feature results's owners
1525   std::list<ResultPtr> aResults = theFeature->results();
1526   std::list<ResultPtr>::const_iterator aIt;
1527
1528   bool isSameShape = false;
1529   if (aResults.size() > 0) {
1530     ResultPtr aFirstResult = theFeature->firstResult();
1531     if (aFirstResult.get() && aFirstResult->shape().get()) {
1532       TopoDS_Shape aFirstShape = aFirstResult->shape()->impl<TopoDS_Shape>();
1533       isSameShape = aFirstShape.IsEqual(anInfo.myFirstResultShape);
1534     }
1535   }
1536   for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
1537     ResultPtr aResult = *aIt;
1538     AISObjectPtr aAISObj = aDisplayer->getAISObject(aResult);
1539     if (aAISObj.get() == NULL)
1540       continue;
1541     Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
1542
1543     SelectMgr_IndexedMapOfOwner aSelectedOwners;
1544     aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
1545     bool aFoundLocalShape = false;
1546     for  ( Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++ ) {
1547       Handle(StdSelect_BRepOwner) anOwner =
1548         Handle(StdSelect_BRepOwner)::DownCast(aSelectedOwners(i));
1549       if ( anOwner.IsNull() || !anOwner->HasShape() || theOwnersToSelect.FindIndex(anOwner))
1550         continue;
1551       const TopoDS_Shape& aShape = anOwner->Shape();
1552       TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
1553       if (aShapeType == TopAbs_VERTEX) {
1554         AttributePtr aPntAttr =
1555           PartSet_Tools::findAttributeBy2dPoint(theFeature, aShape, theSketch);
1556         if (aPntAttr.get() != NULL &&
1557             aSelectedAttributes.find(aPntAttr) != aSelectedAttributes.end())
1558           theOwnersToSelect.Add(anOwner);
1559         else if (isSameShape && anInfo.myLocalSelectedShapes.Contains(aShape)) {
1560           theOwnersToSelect.Add(anOwner);
1561         }
1562       }
1563       else if (aShapeType == TopAbs_EDGE) {
1564         if (isSameShape && anInfo.myLocalSelectedShapes.Contains(aShape)) {
1565           // try to restore local selection on Shape result
1566           // we can do this only if the shape was not changed
1567           theOwnersToSelect.Add(anOwner);
1568           aFoundLocalShape = true;
1569           break;
1570         }
1571       }
1572     }
1573     if (!aFoundLocalShape) {
1574       // result owners are put in the list of selection only if local selected shapes were not
1575       // found
1576       if (aSelectedResults.find(aResult) != aSelectedResults.end()) {
1577         for  ( Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++ ) {
1578           Handle(StdSelect_BRepOwner) anOwner =
1579             Handle(StdSelect_BRepOwner)::DownCast(aSelectedOwners(i));
1580           if ( anOwner.IsNull() || !anOwner->HasShape() || theOwnersToSelect.FindIndex(anOwner))
1581             continue;
1582             // select whole result
1583             theOwnersToSelect.Add(anOwner);
1584         }
1585       }
1586     }
1587   }
1588 }
1589
1590 void PartSet_SketcherMgr::connectToPropertyPanel(ModuleBase_ModelWidget* theWidget,
1591                                                  const bool isToConnect)
1592 {
1593   //Temporary commented as we do not modify values in property panel
1594   if (isToConnect) {
1595     //connect(theWidget, SIGNAL(beforeValuesChanged()),
1596     //        this, SLOT(onBeforeValuesChangedInPropertyPanel()));
1597     //connect(theWidget, SIGNAL(afterValuesChanged()),
1598     //        this, SLOT(onAfterValuesChangedInPropertyPanel()));
1599     connect(theWidget, SIGNAL(afterValuesChanged()),
1600             myModule->sketchReentranceMgr(), SLOT(onAfterValuesChangedInPropertyPanel()));
1601   }
1602   else {
1603     //disconnect(theWidget, SIGNAL(beforeValuesChanged()),
1604     //            this, SLOT(onBeforeValuesChangedInPropertyPanel()));
1605     //disconnect(theWidget, SIGNAL(afterValuesChanged()),
1606     //            this, SLOT(onAfterValuesChangedInPropertyPanel()));
1607     disconnect(theWidget, SIGNAL(afterValuesChanged()),
1608                myModule->sketchReentranceMgr(), SLOT(onAfterValuesChangedInPropertyPanel()));
1609   }
1610 }
1611
1612 void PartSet_SketcherMgr::widgetStateChanged(int thePreviousState)
1613 {
1614   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1615                                                                            (getCurrentOperation());
1616   if (aFOperation) {
1617     if (PartSet_SketcherMgr::isSketchOperation(aFOperation) ||
1618         isNestedSketchOperation(aFOperation) &&
1619         thePreviousState == ModuleBase_ModelWidget::ModifiedInPP) {
1620       FeaturePtr aFeature = aFOperation->feature();
1621       visualizeFeature(aFeature, aFOperation->isEditOperation(), canDisplayObject(aFeature));
1622     }
1623   }
1624 }
1625
1626 void PartSet_SketcherMgr::customizePresentation(const ObjectPtr& theObject)
1627 {
1628   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1629                                                                            (getCurrentOperation());
1630   if (aFOperation && (PartSet_SketcherMgr::isSketchOperation(aFOperation) ||
1631                       isNestedSketchOperation(aFOperation)))
1632     SketcherPrs_Tools::sendExpressionShownEvent(myIsConstraintsShown[PartSet_Tools::Expressions]);
1633
1634   // update entities selection priorities
1635   FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
1636   if (aFeature.get() && PartSet_SketcherMgr::isEntity(aFeature->getKind())) {
1637     // update priority for feature
1638     updateSelectionPriority(aFeature, aFeature);
1639     // update priority for results of the feature
1640     std::list<ResultPtr> aResults = aFeature->results();
1641     std::list<ResultPtr>::const_iterator anIt = aResults.begin(), aLastIt = aResults.end();
1642     for (; anIt != aLastIt; anIt++)
1643       updateSelectionPriority(*anIt, aFeature);
1644   }
1645 }
1646
1647 ModuleBase_Operation* PartSet_SketcherMgr::getCurrentOperation() const
1648 {
1649   return myModule->workshop()->currentOperation();
1650 }
1651
1652 //**************************************************************
1653 ModuleBase_ModelWidget* PartSet_SketcherMgr::getActiveWidget() const
1654 {
1655   ModuleBase_ModelWidget* aWidget = 0;
1656   ModuleBase_Operation* anOperation = getCurrentOperation();
1657   if (anOperation) {
1658     ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
1659     if (aPanel)
1660       aWidget = aPanel->activeWidget();
1661   }
1662   return aWidget;
1663 }
1664
1665 void PartSet_SketcherMgr::visualizeFeature(const FeaturePtr& theFeature,
1666                                            const bool isEditOperation,
1667                                            const bool isToDisplay,
1668                                            const bool isFlushRedisplay)
1669 {
1670   #ifdef DEBUG_DO_NOT_BY_ENTER
1671   return;
1672   #endif
1673
1674   if (isEditOperation || !theFeature.get())
1675     return;
1676
1677   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
1678   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
1679
1680   // 1. change visibility of the object itself, here the presentable object is processed,
1681   // e.g. constraints features
1682   //FeaturePtr aFeature = aFOperation->feature();
1683   std::list<ResultPtr> aResults = theFeature->results();
1684   if (isToDisplay)
1685     theFeature->setDisplayed(true);
1686   else
1687     theFeature->setDisplayed(false);
1688
1689   // change visibility of the object results, e.g. non-constraint features
1690   std::list<ResultPtr>::const_iterator aIt;
1691   for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
1692     if (isToDisplay) {
1693       (*aIt)->setDisplayed(true);
1694     }
1695     else {
1696       (*aIt)->setDisplayed(false);
1697     }
1698   }
1699   if (isFlushRedisplay)
1700     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1701 }
1702
1703 void PartSet_SketcherMgr::storeSelection(const SelectionType theType,
1704                         PartSet_SketcherMgr::FeatureToSelectionMap& theCurrentSelection)
1705 {
1706   if (!myCurrentSketch.get())
1707     return;
1708
1709   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
1710   ModuleBase_ISelection* aSelect = aWorkshop->selection();
1711   QList<ModuleBase_ViewerPrsPtr> aStoredPrs;
1712
1713   if (theType == ST_HighlightType || theType == ST_SelectAndHighlightType)
1714     aStoredPrs = aSelect->getHighlighted();
1715
1716   QList<FeaturePtr> aFeatureList;
1717   if (theType == ST_SelectAndHighlightType || theType == ST_SelectType) {
1718     QList<ModuleBase_ViewerPrsPtr> aSelected = aSelect->getSelected(
1719                                                               ModuleBase_ISelection::AllControls);
1720     aStoredPrs.append(aSelected);
1721   }
1722
1723   // 1. it is necessary to save current selection in order to restore it after the features moving
1724   theCurrentSelection.clear();
1725
1726   QList<ModuleBase_ViewerPrsPtr>::const_iterator anIt = aStoredPrs.begin(),
1727                                                 aLast = aStoredPrs.end();
1728
1729   CompositeFeaturePtr aSketch = activeSketch();
1730   for (; anIt != aLast; anIt++) {
1731     ModuleBase_ViewerPrsPtr aPrs = *anIt;
1732     ObjectPtr anObject = aPrs->object();
1733     if (!anObject.get())
1734       continue;
1735
1736     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
1737     FeaturePtr aFeature;
1738     if (aResult.get())
1739       aFeature = ModelAPI_Feature::feature(aResult);
1740     else
1741       aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
1742
1743     if (!aFeature.get())
1744       continue;
1745
1746     std::set<AttributePtr> aSelectedAttributes;
1747     std::set<ResultPtr> aSelectedResults;
1748     SelectionInfo anInfo;
1749     if (theCurrentSelection.find(aFeature) != theCurrentSelection.end())
1750       anInfo = theCurrentSelection.find(aFeature).value();
1751
1752     TopoDS_Shape aFirstShape;
1753     ResultPtr aFirstResult = aFeature->firstResult();
1754     if (aFirstResult.get() && aFirstResult->shape().get())
1755       aFirstShape = aFirstResult->shape()->impl<TopoDS_Shape>();
1756     anInfo.myFirstResultShape = aFirstShape;
1757     Handle(SelectMgr_EntityOwner) anOwner = aPrs->owner();
1758     if (aResult.get()) {
1759       getAttributesOrResults(anOwner, aFeature, aSketch, aResult,
1760           anInfo.myAttributes, anInfo.myResults, anInfo.myLocalSelectedShapes);
1761     }
1762     else {
1763       std::list<ResultPtr> aResults = aFeature->results();
1764       std::list<ResultPtr>::const_iterator aIt;
1765       for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
1766         ResultPtr aResult = *aIt;
1767         getAttributesOrResults(anOwner, aFeature, aSketch, aResult,
1768           anInfo.myAttributes, anInfo.myResults, anInfo.myLocalSelectedShapes);
1769       }
1770     }
1771     theCurrentSelection[aFeature] = anInfo;
1772   }
1773   //qDebug(QString("  storeSelection: %1").arg(theCurrentSelection.size()).toStdString().c_str());
1774 }
1775
1776 void PartSet_SketcherMgr::restoreSelection(
1777                                 PartSet_SketcherMgr::FeatureToSelectionMap& theCurrentSelection)
1778 {
1779   if (!myCurrentSketch.get())
1780     return;
1781
1782   //qDebug(QString("restoreSelection: %1").arg(theCurrentSelection.size()).toStdString().c_str());
1783   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
1784   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
1785   FeatureToSelectionMap::const_iterator aSIt = theCurrentSelection.begin(),
1786                                         aSLast = theCurrentSelection.end();
1787   SelectMgr_IndexedMapOfOwner anOwnersToSelect;
1788   anOwnersToSelect.Clear();
1789   for (; aSIt != aSLast; aSIt++) {
1790     getSelectionOwners(aSIt.key(), myCurrentSketch, aWorkshop, theCurrentSelection,
1791                        anOwnersToSelect);
1792   }
1793   aConnector->workshop()->selector()->setSelectedOwners(anOwnersToSelect, false);
1794 }
1795
1796 void PartSet_SketcherMgr::onShowConstraintsToggle(int theType, bool theState)
1797 {
1798   PartSet_Tools::ConstraintVisibleState aType = (PartSet_Tools::ConstraintVisibleState)theType;
1799
1800   updateBySketchParameters(aType, theState);
1801 }
1802
1803 void PartSet_SketcherMgr::updateBySketchParameters(
1804                                    const PartSet_Tools::ConstraintVisibleState& theType,
1805                                    bool theState)
1806 {
1807   if (myCurrentSketch.get() == NULL)
1808     return;
1809
1810   bool aPrevState = myIsConstraintsShown[theType];
1811   myIsConstraintsShown[theType] = theState;
1812
1813   switch (theType) {
1814     case PartSet_Tools::Geometrical:
1815     case PartSet_Tools::Dimensional: {
1816       if (aPrevState != theState) {
1817         ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
1818         XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
1819         for (int i = 0; i < myCurrentSketch->numberOfSubs(); i++) {
1820           FeaturePtr aSubFeature = myCurrentSketch->subFeature(i);
1821           bool aProcessed = false;
1822           bool aConstraintDisplayed = canDisplayConstraint(aSubFeature, theType, aProcessed);
1823           if (aProcessed)
1824             aSubFeature->setDisplayed(aConstraintDisplayed);
1825         }
1826         Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1827       }
1828     }
1829     break;
1830     case PartSet_Tools::Expressions: {
1831       if (aPrevState != theState) {
1832         /// call all sketch features redisplay, the expression state will be corrected in customize
1833         /// of distance presentation
1834         Events_ID anEventId = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
1835         PartSet_Tools::sendSubFeaturesEvent(myCurrentSketch, anEventId);
1836       }
1837     }
1838     break;
1839   }
1840 }
1841
1842 void PartSet_SketcherMgr::updateSelectionPriority(ObjectPtr theObject,
1843                                                   FeaturePtr theFeature)
1844 {
1845   if (!theObject.get() || !theFeature.get())
1846     return;
1847
1848   AISObjectPtr anAIS = workshop()->displayer()->getAISObject(theObject);
1849   Handle(AIS_InteractiveObject) anAISIO;
1850   if (anAIS.get() != NULL) {
1851     anAISIO = anAIS->impl<Handle(AIS_InteractiveObject)>();
1852   }
1853
1854   if (!anAISIO.IsNull()) { // the presentation for the object is visualized
1855     int anAdditionalPriority = 0;
1856     // current feature
1857     std::shared_ptr<SketchPlugin_Feature> aSPFeature =
1858             std::dynamic_pointer_cast<SketchPlugin_Feature>(theFeature);
1859     if (aSPFeature.get() != NULL) {
1860       // 1. Vertices
1861       // 2. Simple segments
1862       // 3. External objects (violet color)
1863       // 4. Auxiliary segments (dotted)
1864       // StdSelect_BRepSelectionTool::Load uses priority calculating:
1865       // Standard_Integer aPriority =
1866       // (thePriority == -1) ? GetStandardPriority (theShape, theType) : thePriority;
1867       // Priority of Vertex is 8, edge(segment) is 7.
1868       // It might be not corrected as provides the condition above.
1869       bool isExternal = aSPFeature->isExternal();
1870       bool isAuxiliary = PartSet_Tools::isAuxiliarySketchEntity(aSPFeature);
1871       // current feature
1872       if (!isExternal && !isAuxiliary)
1873         anAdditionalPriority = 30;
1874       // external feature
1875       if (isExternal)
1876         anAdditionalPriority = 20;
1877       // auxiliary feature
1878       if (isAuxiliary) {
1879         anAdditionalPriority = 10; /// auxiliary objects should have less priority that
1880         // edges/vertices of local selection on not-sketch objects
1881       }
1882       Handle(ModuleBase_ResultPrs) aResult = Handle(ModuleBase_ResultPrs)::DownCast(anAISIO);
1883       if (!aResult.IsNull()) {
1884         aResult->setAdditionalSelectionPriority(anAdditionalPriority);
1885       }
1886     }
1887   }
1888 }
1889
1890 XGUI_Workshop* PartSet_SketcherMgr::workshop() const
1891 {
1892   ModuleBase_IWorkshop* anIWorkshop = myModule->workshop();
1893   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(anIWorkshop);
1894   return aConnector->workshop();
1895 }
1896
1897 XGUI_OperationMgr* PartSet_SketcherMgr::operationMgr() const
1898 {
1899   return workshop()->operationMgr();
1900 }
1901