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