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