src/PartSet/PartSet_SketcherReentrantMgr.cpp

   1 // Copyright (C) 2014-2019  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "PartSet_SketcherReentrantMgr.h"
  21 #include "PartSet_ExternalObjectsMgr.h"
  22 #include "PartSet_Module.h"
  23 #include "PartSet_SketcherMgr.h"
  24 #include "PartSet_WidgetPoint2d.h"
  25
  26 #include "ModelAPI_Session.h"
  27 #include "ModelAPI_AttributeString.h"
  28 #include "ModelAPI_AttributeRefAttr.h"
  29 #include "ModelAPI_AttributeReference.h"
  30 #include "ModelAPI_EventReentrantMessage.h"
  31
  32 #include "GeomDataAPI_Point2D.h"
  33
  34 #include "GeomAPI_Lin2d.h"
  35 #include "GeomAPI_Dir2d.h"
  36
  37 #include <ModuleBase_IPropertyPanel.h>
  38 #include <ModuleBase_ISelectionActivate.h>
  39 #include <ModuleBase_OperationFeature.h>
  40 #include <ModuleBase_ModelWidget.h>
  41 #include <ModuleBase_ViewerPrs.h>
  42 #include <ModuleBase_WidgetSelector.h>
  43 #include <ModuleBase_PageWidget.h>
  44 #include <ModuleBase_PageBase.h>
  45 #include <ModuleBase_WidgetFactory.h>
  46 #include <ModuleBase_OperationDescription.h>
  47 #include "ModuleBase_ToolBox.h"
  48 #include "ModuleBase_ISelection.h"
  49
  50 #include <SketchPlugin_Feature.h>
  51 #include <SketchPlugin_Line.h>
  52 #include <SketchPlugin_MacroArc.h>
  53 #include <SketchPlugin_MacroCircle.h>
  54 #include <SketchPlugin_Point.h>
  55 #include <SketchPlugin_Trim.h>
  56 #include <SketchPlugin_Split.h>
  57 #include <SketchPlugin_ConstraintHorizontal.h>
  58 #include <SketchPlugin_ConstraintVertical.h>
  59
  60 #include <XGUI_Workshop.h>
  61 #include <XGUI_ModuleConnector.h>
  62 #include <XGUI_OperationMgr.h>
  63 #include <XGUI_PropertyPanel.h>
  64 #include <XGUI_ErrorMgr.h>
  65 #include <XGUI_SelectionMgr.h>
  66
  67 #include <QToolButton>
  68
  69 //#define DEBUG_RESTART
  70
  71 PartSet_SketcherReentrantMgr::PartSet_SketcherReentrantMgr(ModuleBase_IWorkshop* theWorkshop)
  72 : QObject(theWorkshop),
  73   myWorkshop(theWorkshop),
  74   myRestartingMode(RM_None),
  75   myIsFlagsBlocked(false),
  76   myIsInternalEditOperation(false),
  77   myNoMoreWidgetsAttribute(""),
  78   myIsAutoConstraints(true)
  79 {
  80 }
  81
  82 PartSet_SketcherReentrantMgr::~PartSet_SketcherReentrantMgr()
  83 {
  84 }
  85
  86 bool PartSet_SketcherReentrantMgr::isInternalEditActive() const
  87 {
  88   return myIsInternalEditOperation;
  89 }
  90
  91 void PartSet_SketcherReentrantMgr::updateInternalEditActiveState()
  92 {
  93   if  (myIsInternalEditOperation) {
  94     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
  95                                                          (myWorkshop->currentOperation());
  96     if (aFOperation) {
  97       FeaturePtr aFeature = aFOperation->feature();
  98       QString anError = myWorkshop->module()->getFeatureError(aFeature);
  99       // stop started internal edit operation as soon as the operation becomes invalid
 100       // it is especially important for the sketch tangent arc feature
 101       if (!anError.isEmpty()) {
 102         aFOperation->setEditOperation(false);
 103         //workshop()->operationMgr()->updateApplyOfOperations();
 104         myIsInternalEditOperation = false;
 105         updateAcceptAllAction();
 106       }
 107     }
 108   }
 109 }
 110
 111 bool PartSet_SketcherReentrantMgr::operationCommitted(ModuleBase_Operation* theOperation)
 112 {
 113   bool aProcessed = false;
 114   if (!isActiveMgr())
 115     return aProcessed;
 116
 117   aProcessed = myIsInternalEditOperation;
 118   resetFlags();
 119
 120   return aProcessed;
 121 }
 122
 123 void PartSet_SketcherReentrantMgr::operationStarted(ModuleBase_Operation* theOperation)
 124 {
 125   if (!isActiveMgr())
 126     return;
 127
 128   //if (myPreviousFeature.get() && myRestartingMode == RM_LastFeatureUsed) {
 129     //ModuleBase_OperationFeature* aCurrentOperation = dynamic_cast<ModuleBase_OperationFeature*>(
 130     //                                                            myWorkshop->currentOperation());
 131     //CompositeFeaturePtr aSketch = module()->sketchMgr()->activeSketch();
 132     //if (myPreviousFeature.get() && myPreviousFeature->data()->isValid()) // it is not removed
 133       //copyReetntrantAttributes(myPreviousFeature, aCurrentOperation->feature(), aSketch);
 134   //}
 135   resetFlags();
 136 }
 137
 138 void PartSet_SketcherReentrantMgr::operationAborted(ModuleBase_Operation* theOperation)
 139 {
 140   if (!isActiveMgr())
 141     return;
 142
 143   resetFlags();
 144 }
 145
 146 bool PartSet_SketcherReentrantMgr::processMouseMoved(ModuleBase_IViewWindow* theWnd,
 147                                                       QMouseEvent* theEvent)
 148 {
 149   bool aProcessed = false;
 150   if (!isActiveMgr())
 151     return aProcessed;
 152
 153   if  (myIsInternalEditOperation) {
 154     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 155                                                          (myWorkshop->currentOperation());
 156     FeaturePtr aLastFeature = myRestartingMode == RM_LastFeatureUsed ? aFOperation->feature()
 157                                                                      : FeaturePtr();
 158     if (aLastFeature) {
 159       ModuleBase_ModelWidget* anActiveWidget = module()->activeWidget();
 160       ModuleBase_IPropertyPanel* aPanel = myWorkshop->currentOperation()->propertyPanel();
 161
 162       FeaturePtr aCurrentFeature = aFOperation->feature();
 163       bool isLineFeature = false, isReentrantArcFeature = false;
 164       std::string anAttributeOnStart;
 165       if (aCurrentFeature->getKind() == SketchPlugin_Line::ID()) {
 166         anAttributeOnStart = SketchPlugin_Line::START_ID();
 167         isLineFeature = anActiveWidget->attributeID() == anAttributeOnStart;
 168       }
 169       else if (isTangentArc(aFOperation, module()->sketchMgr()->activeSketch())) {
 170         isReentrantArcFeature = true;
 171       }
 172       bool aCanBeActivatedByMove = isLineFeature || isReentrantArcFeature;
 173       if (aCanBeActivatedByMove) {
 174         /// before restarting of operation we need to clear selection, as it may take part in
 175         /// new feature creation, e.g. tangent arc. But it is not necessary as it was processed
 176         /// by mouse release when the operation was restarted.
 177         workshop()->selector()->clearSelection();
 178
 179         myPreviousFeature = aFOperation->feature();
 180         restartOperation();
 181         myPreviousFeature = FeaturePtr();
 182
 183         anActiveWidget = module()->activeWidget();
 184         aProcessed = true;
 185         if (anActiveWidget && anActiveWidget->attributeID() == anAttributeOnStart) {
 186           // it was not deactivated by preselection processing
 187           aPanel->activateNextWidget(anActiveWidget);
 188         }
 189       } else {
 190         // processing mouse move in active widget of restarted operation
 191         ModuleBase_ModelWidget* anActiveWidget = module()->activeWidget();
 192         PartSet_MouseProcessor* aProcessor = dynamic_cast<PartSet_MouseProcessor*>(anActiveWidget);
 193         if (aProcessor)
 194           aProcessor->mouseMoved(theWnd, theEvent);
 195       }
 196     }
 197   }
 198   return aProcessed;
 199 }
 200
 201 bool PartSet_SketcherReentrantMgr::processMousePressed(ModuleBase_IViewWindow* /* theWnd*/,
 202                                                         QMouseEvent* /* theEvent*/)
 203 {
 204   return isActiveMgr() && myIsInternalEditOperation;
 205 }
 206
 207 bool PartSet_SketcherReentrantMgr::processMouseReleased(ModuleBase_IViewWindow* theWindow,
 208                                                         QMouseEvent* theEvent)
 209 {
 210   bool aProcessed = false;
 211   if (!isActiveMgr())
 212     return aProcessed;
 213
 214   if (myIsInternalEditOperation) {
 215     ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 216     ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
 217
 218     ModuleBase_ModelWidget* anActiveWidget = aPanel->activeWidget();
 219     if (!anActiveWidget || !anActiveWidget->isViewerSelector()) {
 220
 221       // block of viewer update
 222       // we need to block update content of the viewer because of Sketch Point feature
 223       // in activate() the value of the point is initialized and it can be displayed
 224       // but the default value is [0, 0]. So, we block update viewer contentent until
 225       // onMouseRelease happens, which correct the point position
 226       ModuleBase_Tools::blockUpdateViewer(true);
 227
 228       ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 229                                                            (myWorkshop->currentOperation());
 230       myPreviousFeature = aFOperation->feature();
 231
 232       /// selection should be obtained from workshop before ask if the operation can be started as
 233       /// the canStartOperation method performs commit/abort of previous operation.
 234       /// Sometimes commit/abort
 235       /// may cause selection clear(Sketch operation) as a result
 236       /// it will be lost and is not used for preselection.
 237       ModuleBase_ISelection* aSelection = myWorkshop->selection();
 238       QList<ModuleBase_ViewerPrsPtr> aPreSelected =
 239         aSelection->getSelected(ModuleBase_ISelection::AllControls);
 240
 241       myClickedSketchPoint = PartSet_Tools::getPnt2d(theEvent, theWindow,
 242                                                      module()->sketchMgr()->activeSketch());
 243       FeaturePtr anExternalCreatedFeature;
 244       if (!aPreSelected.empty()) {
 245         ModuleBase_ViewerPrsPtr aValue = aPreSelected.first();
 246         module()->getGeomSelection(aValue, mySelectedObject, mySelectedAttribute);
 247
 248         PartSet_WidgetPoint2D* aPointWidget = dynamic_cast<PartSet_WidgetPoint2D*>(anActiveWidget);
 249         if (aPointWidget) {
 250           GeomShapePtr aShape;
 251           aPointWidget->getGeomSelection_(aValue, mySelectedObject, aShape);
 252           ObjectPtr anExternalObject =
 253             aPointWidget->getExternalObjectMgr()->getExternalObjectValidated();
 254           // if external object is during reentrant operation and is used as a parameter of feature
 255           // it should be removed after the operation is restarted. (Circle feature, Projection)
 256           if (anExternalObject.get())
 257             anExternalCreatedFeature = ModelAPI_Feature::feature(anExternalObject);
 258         }
 259       }
 260
 261       restartOperation();
 262       // remove created external feature
 263       if (anExternalCreatedFeature.get()) {
 264         QObjectPtrList anObjects;
 265         anObjects.append(anExternalCreatedFeature);
 266         workshop()->deleteFeatures(anObjects);
 267       }
 268
 269       myClickedSketchPoint = std::shared_ptr<GeomAPI_Pnt2d>();
 270       mySelectedObject = ObjectPtr();
 271       mySelectedAttribute = AttributePtr();
 272
 273       myPreviousFeature = FeaturePtr();
 274       aProcessed = true;
 275
 276       // fill the first widget by the mouse event point
 277       // if the active widget is not the first, it means that the restarted operation is filled by
 278       // the current preselection.
 279       PartSet_MouseProcessor* aMouseProcessor = dynamic_cast<PartSet_MouseProcessor*>(
 280                                                                        module()->activeWidget());
 281       //PartSet_WidgetPoint2D* aPoint2DWdg =
 282       //  dynamic_cast<PartSet_WidgetPoint2D*>(module()->activeWidget());
 283       PartSet_MouseProcessor* aFirstWidget = dynamic_cast<PartSet_MouseProcessor*>(
 284                                                         aPanel->findFirstAcceptingValueWidget());
 285       //if (aPoint2DWdg && aPoint2DWdg == aFirstWidget) {
 286       if (aMouseProcessor && aMouseProcessor == aFirstWidget) {
 287         std::shared_ptr<ModuleBase_ViewerPrs> aSelectedPrs;
 288         if (!aPreSelected.empty())
 289           aSelectedPrs = aPreSelected.front();
 290         if (aSelectedPrs.get() && aSelectedPrs->object().get()
 291             && !aSelectedPrs->object()->data()->isValid()) {
 292           // the selected object was removed diring restart, e.g. presentable macro feature
 293           // there are created objects to replace the object depending on created feature kind
 294           aSelectedPrs = std::shared_ptr<ModuleBase_ViewerPrs>();
 295         }
 296         aMouseProcessor->setPreSelection(aSelectedPrs, theWindow, theEvent);
 297         //aPoint2DWdg->mouseReleased(theWindow, theEvent);
 298         //if (!aPreSelected.empty())
 299         //  aPoint2DWdg->setPreSelection(ModuleBase_ViewerPrsPtr());
 300       }
 301       // unblock viewer update
 302       ModuleBase_Tools::blockUpdateViewer(false);
 303     }
 304   }
 305   return aProcessed;
 306 }
 307
 308 //******************************************************
 309 void PartSet_SketcherReentrantMgr::setReentrantPreSelection(
 310                                        const std::shared_ptr<Events_Message>& theMessage)
 311 {
 312   ReentrantMessagePtr aReentrantMessage =
 313                       std::dynamic_pointer_cast<ModelAPI_EventReentrantMessage>(theMessage);
 314   if (!aReentrantMessage.get())
 315     return;
 316
 317   // if feature has already filled the selected object, we should not overwrite it
 318   if (!aReentrantMessage->selectedObject().get())
 319     aReentrantMessage->setSelectedObject(mySelectedObject);
 320
 321   aReentrantMessage->setSelectedAttribute(mySelectedAttribute);
 322   aReentrantMessage->setClickedPoint(myClickedSketchPoint);
 323 }
 324
 325 //void PartSet_SketcherReentrantMgr::onWidgetActivated()
 326 //{
 327 //  if (!isActiveMgr())
 328 //    return;
 329 //  if (!myIsInternalEditOperation)
 330 //    return;
 331 //
 332 //  PartSet_Module* aModule = module();
 333 //  ModuleBase_ModelWidget* aFirstWidget = aModule->activeWidget();
 334 //  ModuleBase_IPropertyPanel* aPanel = aModule->currentOperation()->propertyPanel();
 335 //  if (aFirstWidget != aPanel->activeWidget()) {
 336 //    ModuleBase_WidgetSelector* aWSelector = dynamic_cast<ModuleBase_WidgetSelector*>
 337 //      (aFirstWidget);
 338 //    if (aWSelector) {
 339 //      myWorkshop->selectionActivate()->updateSelectionModesAndFilters(aWSelector);
 340 //    }
 341 //  }
 342 //}
 343
 344 void PartSet_SketcherReentrantMgr::onNoMoreWidgets(const std::string& thePreviousAttributeID)
 345 {
 346 #ifdef DEBUG_RESTART
 347   std::cout << "PartSet_SketcherReentrantMgr::onNoMoreWidgets" << std::endl;
 348 #endif
 349
 350   if (!isActiveMgr())
 351     return;
 352
 353   // we should avoid processing of the signal about no more widgets attributes and
 354   // do this after the restart operaion is finished if it was called
 355   // onNoMoreWidgets depends on myIsFlagsBlocked and fill myNoMoreWidgetsAttribute
 356   // if it should be called after restart
 357   if (myIsFlagsBlocked) {
 358     myNoMoreWidgetsAttribute = thePreviousAttributeID;
 359     return;
 360   }
 361
 362   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 363                                                        (myWorkshop->currentOperation());
 364   if (!myWorkshop->module()->getFeatureError(aFOperation->feature()).isEmpty())
 365     return;
 366
 367   if (aFOperation && module()->sketchMgr()->isNestedSketchOperation(aFOperation)) {
 368     if (aFOperation->isNeedToBeAborted()) {
 369       aFOperation->abort();
 370     }
 371     else {
 372       bool isStarted = false;
 373       if (!module()->sketchMgr()->sketchSolverError()) {
 374         if (myRestartingMode != RM_Forbided) {
 375           myRestartingMode = RM_LastFeatureUsed;
 376           isStarted = startInternalEdit(thePreviousAttributeID);
 377         }
 378       }
 379       if (!isStarted) {
 380         if (myIsAutoConstraints)
 381           addConstraints(aFOperation->feature());
 382         aFOperation->commit();
 383       }
 384     }
 385   }
 386 }
 387
 388 bool PartSet_SketcherReentrantMgr::processEnter(const std::string& thePreviousAttributeID)
 389 {
 390   bool isDone = false;
 391
 392   if (!isActiveMgr())
 393     return isDone;
 394
 395   // empty previous attribute means that the Apply/Ok button has focus and the enter
 396   // should not lead to start edition mode of the previous operation
 397   if (thePreviousAttributeID.empty())
 398     return isDone;
 399
 400   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 401                                                        (myWorkshop->currentOperation());
 402   if (!myWorkshop->module()->getFeatureError(aFOperation->feature()).isEmpty())
 403     return isDone;
 404
 405   bool isSketchSolverError = module()->sketchMgr()->sketchSolverError();
 406
 407   if (!isSketchSolverError) {
 408     myRestartingMode = RM_EmptyFeatureUsed;
 409     // It seems that the call is obsolete for Enter key processing
 410     // It prevent finalysing of the current operation by Enter key
 411     //isDone = startInternalEdit(thePreviousAttributeID);
 412   }
 413
 414   return isDone;
 415 }
 416
 417 void PartSet_SketcherReentrantMgr::onVertexSelected()
 418 {
 419   if (!isActiveMgr())
 420     return;
 421
 422   ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
 423   std::string anOperationId = anOperation->id().toStdString();
 424   if (anOperationId == SketchPlugin_Line::ID() ||
 425       isTangentArc(anOperation, module()->sketchMgr()->activeSketch())) {
 426     /// If last line finished on vertex the lines creation sequence has to be break
 427     ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
 428     ModuleBase_ModelWidget* anActiveWidget = aPanel->activeWidget();
 429     const QList<ModuleBase_ModelWidget*>& aWidgets = aPanel->modelWidgets();
 430     QList<ModuleBase_ModelWidget*>::const_iterator anIt = aWidgets.begin(), aLast = aWidgets.end();
 431     bool aFoundWidget = false;
 432     bool aFoundObligatory = false;
 433     for (; anIt != aLast && !aFoundObligatory; anIt++) {
 434       if (!aFoundWidget)
 435         aFoundWidget = *anIt == anActiveWidget;
 436       else
 437         aFoundObligatory = (*anIt)->isObligatory();
 438     }
 439     if (!aFoundObligatory)
 440       myRestartingMode = RM_Forbided;
 441   }
 442 }
 443
 444 void PartSet_SketcherReentrantMgr::onAfterValuesChangedInPropertyPanel()
 445 {
 446
 447   if (isInternalEditActive()) {
 448     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 449                                                        (myWorkshop->currentOperation());
 450     ModuleBase_ModelWidget* aWidget = (ModuleBase_ModelWidget*)sender();
 451     if (!aWidget->isModifiedInEdit().empty())
 452       restartOperation();
 453   }
 454 }
 455
 456 void PartSet_SketcherReentrantMgr::onBeforeStopped()
 457 {
 458   if (!isActiveMgr() || !myIsInternalEditOperation)
 459     return;
 460
 461   beforeStopInternalEdit();
 462 }
 463
 464 bool PartSet_SketcherReentrantMgr::canBeCommittedByPreselection()
 465 {
 466   return !isActiveMgr() || myRestartingMode == RM_None;
 467 }
 468
 469 bool PartSet_SketcherReentrantMgr::isActiveMgr() const
 470 {
 471   ModuleBase_Operation* aCurrentOperation = myWorkshop->currentOperation();
 472
 473   bool anActive = PartSet_SketcherMgr::isSketchOperation(aCurrentOperation);
 474   if (!anActive) {
 475     anActive = module()->sketchMgr()->isNestedSketchOperation(aCurrentOperation);
 476     if (anActive) { // the manager is not active when the current operation is a usual Edit
 477       ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 478                                                        (myWorkshop->currentOperation());
 479       if (aFOperation->isEditOperation())
 480         anActive = myIsInternalEditOperation;
 481     }
 482   }
 483   return anActive;
 484 }
 485
 486 bool PartSet_SketcherReentrantMgr::startInternalEdit(const std::string& thePreviousAttributeID)
 487 {
 488 #ifdef DEBUG_RESTART
 489   std::cout << "PartSet_SketcherReentrantMgr::startInternalEdit" << std::endl;
 490 #endif
 491
 492   bool isDone = false;
 493   /// this is workaround for ModuleBase_WidgetEditor, used in SALOME mode. Sometimes key enter
 494   /// event comes two times, so we should not start another internal edit operation
 495   /// the Apply button becomes disabled becase the second additional internal feature is created
 496   if (myIsInternalEditOperation)
 497     return true;
 498
 499   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 500                                                      (myWorkshop->currentOperation());
 501
 502   if (aFOperation && module()->sketchMgr()->isNestedSketchOperation(aFOperation)) {
 503     /// improvement to deselect automatically all eventual selected objects, when
 504     // returning to the neutral point of the Sketcher or start internal edit
 505     workshop()->selector()->clearSelection();
 506
 507     if (myIsAutoConstraints)
 508       addConstraints(aFOperation->feature());
 509
 510     aFOperation->setEditOperation(true/*, false*/);
 511     createInternalFeature();
 512
 513     myIsInternalEditOperation = true;
 514     updateAcceptAllAction();
 515
 516     isDone = true;
 517     connect(aFOperation, SIGNAL(beforeCommitted()), this, SLOT(onBeforeStopped()));
 518     connect(aFOperation, SIGNAL(beforeAborted()), this, SLOT(onBeforeStopped()));
 519
 520     // activate selection filters of the first widget in the viewer
 521     //onWidgetActivated();
 522
 523     // activate the last active widget in the Property Panel
 524     if (!thePreviousAttributeID.empty()) {
 525       ModuleBase_Operation* anEditOperation = module()->currentOperation();
 526       if (anEditOperation) {
 527         ModuleBase_IPropertyPanel* aPanel = aFOperation->propertyPanel();
 528         ModuleBase_ModelWidget* aPreviousAttributeWidget = 0;
 529         QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
 530         for (int i = 0, aNb = aWidgets.size(); i < aNb && !aPreviousAttributeWidget; i++) {
 531           if (aWidgets[i]->attributeID() == thePreviousAttributeID) {
 532           /// workaround for the same attributes used in different stacked widgets(attribute types)
 533           if (ModuleBase_ToolBox::isOffToolBoxParent(aWidgets[i]))
 534             continue;
 535             aPreviousAttributeWidget = aWidgets[i];
 536           }
 537         }
 538         // If the current widget is a selector, do nothing, it processes the mouse press
 539         if (aPreviousAttributeWidget) {
 540           if (!aPreviousAttributeWidget->isViewerSelector()) {
 541             aPreviousAttributeWidget->focusTo();
 542             aPreviousAttributeWidget->emitFocusInWidget();
 543             aPreviousAttributeWidget->selectContent();
 544           }
 545           else {
 546             // in case of shape multi selector, the widget does not lose focus by filling
 547             // like it is in shape selector. So, if enter is pressed, the multi shape selector
 548             // control should be deactivated. The focus is moved to Apply button and there
 549             // should not be active control visualized in property panel
 550             if (aPreviousAttributeWidget == aPanel->activeWidget()) {
 551               aPanel->activateWidget(NULL, false);
 552             }
 553             // if there is no the next widget to be automatically activated,
 554             // the Ok button in property
 555             // panel should accept the focus(example is parallel constraint on sketch lines)
 556             QToolButton* anOkBtn =
 557               dynamic_cast<XGUI_PropertyPanel*>(aPanel)->findButton(PROP_PANEL_OK);
 558             if (anOkBtn)
 559               ModuleBase_Tools::setFocus(anOkBtn, "XGUI_PropertyPanel::activateNextWidget");
 560           }
 561         }
 562       }
 563     }
 564   }
 565   if (isDone)
 566     module()->sketchMgr()->clearClickedFlags();
 567
 568   return isDone;
 569 }
 570
 571 void PartSet_SketcherReentrantMgr::beforeStopInternalEdit()
 572 {
 573   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 574                                                       (myWorkshop->currentOperation());
 575   if (aFOperation) {
 576     disconnect(aFOperation, SIGNAL(beforeCommitted()), this, SLOT(onBeforeStopped()));
 577     disconnect(aFOperation, SIGNAL(beforeAborted()), this, SLOT(onBeforeStopped()));
 578   }
 579
 580   deleteInternalFeature();
 581 }
 582
 583 void PartSet_SketcherReentrantMgr::restartOperation()
 584 {
 585 #ifdef DEBUG_RESTART
 586   std::cout << "PartSet_SketcherReentrantMgr::restartOperation" << std::endl;
 587 #endif
 588
 589   if (myIsInternalEditOperation) {
 590     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(
 591                                                                   myWorkshop->currentOperation());
 592     if (aFOperation) {
 593       ModuleBase_ISelection* aSelection = myWorkshop->selection();
 594       QList<ModuleBase_ViewerPrsPtr> aPreSelected =
 595         aSelection->getSelected(ModuleBase_ISelection::AllControls);
 596
 597       if (myInternalFeature.get())
 598         copyReetntrantAttributes(myInternalFeature, aFOperation->feature(),
 599                                  module()->sketchMgr()->activeSketch());
 600
 601       myNoMoreWidgetsAttribute = "";
 602       myIsFlagsBlocked = true;
 603       /// launch has 'false' parameter to do not start new operation if the previous operation
 604       /// is not committed. It is important for Line Sketch feature as it uses the previous
 605       /// created feature parameter(to build coincidence), but by abort the previous is removed
 606       module()->launchOperation(aFOperation->id(), true);
 607       myIsFlagsBlocked = false;
 608       resetFlags();
 609
 610       // we should avoid processing of the signal about no more widgets attributes and
 611       // do this after the restart operaion is finished if it was called
 612       // onNoMoreWidgets depends on myIsFlagsBlocked and fill myNoMoreWidgetsAttribute
 613       // if it should be called after restart
 614       if (!myNoMoreWidgetsAttribute.empty()) {
 615         onNoMoreWidgets(myNoMoreWidgetsAttribute);
 616         myNoMoreWidgetsAttribute = "";
 617       }
 618     }
 619   }
 620 }
 621
 622 void PartSet_SketcherReentrantMgr::createInternalFeature()
 623 {
 624   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 625                                                      (myWorkshop->currentOperation());
 626
 627   if (aFOperation && module()->sketchMgr()->isNestedSketchOperation(aFOperation)) {
 628     FeaturePtr anOperationFeature = aFOperation->feature();
 629
 630     CompositeFeaturePtr aSketch = module()->sketchMgr()->activeSketch();
 631     myInternalFeature = aSketch->addFeature(anOperationFeature->getKind());
 632
 633 #ifdef DEBUG_RESTART
 634     std::cout << "PartSet_SketcherReentrantMgr::createInternalFeature: "
 635               << myInternalFeature->data()->name() << std::endl;
 636 #endif
 637
 638     bool isFeatureChanged = copyReetntrantAttributes(anOperationFeature, myInternalFeature,
 639                                                      aSketch, false);
 640     XGUI_PropertyPanel* aPropertyPanel = dynamic_cast<XGUI_PropertyPanel*>
 641                                                   (aFOperation->propertyPanel());
 642
 643     myInternalWidget = new QWidget(aPropertyPanel->contentWidget()->pageWidget());
 644     myInternalWidget->setVisible(false);
 645
 646     ModuleBase_PageWidget* anInternalPage = new ModuleBase_PageWidget(myInternalWidget);
 647
 648     QString aXmlRepr = aFOperation->getDescription()->xmlRepresentation();
 649     ModuleBase_WidgetFactory aFactory(aXmlRepr.toStdString(), myWorkshop);
 650
 651     aFactory.createWidget(anInternalPage);
 652     QList<ModuleBase_ModelWidget*> aWidgets = aFactory.getModelWidgets();
 653
 654     foreach (ModuleBase_ModelWidget* aWidget, aWidgets) {
 655       bool isStoreValue = !aFOperation->isEditOperation() &&
 656                           !aWidget->getDefaultValue().empty() &&
 657                           !aWidget->isComputedDefault();
 658       aWidget->setFeature(myInternalFeature, isStoreValue);
 659       if (!isStoreValue && isFeatureChanged)
 660         aWidget->restoreValue();
 661     }
 662
 663     ModuleBase_ModelWidget* aFirstWidget = ModuleBase_IPropertyPanel::findFirstAcceptingValueWidget
 664                                                                                         (aWidgets);
 665     if (aFirstWidget)
 666       setInternalActiveWidget(aFirstWidget);
 667   }
 668 }
 669
 670 void PartSet_SketcherReentrantMgr::deleteInternalFeature()
 671 {
 672 #ifdef DEBUG_RESTART
 673   std::cout << "PartSet_SketcherReentrantMgr::deleteInternalFeature: "
 674             << myInternalFeature->data()->name() << std::endl;
 675 #endif
 676   setInternalActiveWidget(0);
 677   delete myInternalWidget;
 678   myInternalWidget = 0;
 679
 680   QObjectPtrList anObjects;
 681   anObjects.append(myInternalFeature);
 682   workshop()->deleteFeatures(anObjects);
 683   myInternalFeature = FeaturePtr();
 684 }
 685
 686 void PartSet_SketcherReentrantMgr::resetFlags()
 687 {
 688   if (!myIsFlagsBlocked) {
 689     myIsInternalEditOperation = false;
 690     updateAcceptAllAction();
 691     myRestartingMode = RM_None;
 692     myReentrantMessage = std::shared_ptr<Events_Message>();
 693   }
 694 }
 695
 696 bool PartSet_SketcherReentrantMgr::copyReetntrantAttributes(const FeaturePtr& theSourceFeature,
 697                                                              const FeaturePtr& theNewFeature,
 698                                                              const CompositeFeaturePtr& theSketch,
 699                                                              const bool /*isTemporary*/)
 700 {
 701   bool aChanged = false;
 702   if (!theSourceFeature.get() || !theSourceFeature->data().get() ||
 703       !theSourceFeature->data()->isValid())
 704     return aChanged;
 705
 706 #ifdef DEBUG_RESTART
 707   std::cout << "PartSet_SketcherReentrantMgr::copyReetntrantAttributes from '"
 708             << theSourceFeature->data()->name() << "' to '" << theNewFeature->data()->name()
 709             << "'" << std::endl;
 710 #endif
 711
 712   std::string aFeatureKind = theSourceFeature->getKind();
 713   /*if (aFeatureKind == SketchPlugin_Line::ID()) {
 714     // Initialize new line with first point equal to end of previous
 715     std::shared_ptr<ModelAPI_Data> aSFData = theSourceFeature->data();
 716     std::shared_ptr<GeomDataAPI_Point2D> aSPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 717                                                  aSFData->attribute(SketchPlugin_Line::END_ID()));
 718     std::shared_ptr<ModelAPI_Data> aNFData = theNewFeature->data();
 719     std::shared_ptr<GeomDataAPI_Point2D> aNPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 720                                                  aNFData->attribute(SketchPlugin_Line::START_ID()));
 721     aNPoint->setValue(aSPoint->x(), aSPoint->y());
 722     PartSet_Tools::createConstraint(theSketch, aSPoint, aNPoint);
 723
 724     aNPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 725                                                  aSFData->attribute(SketchPlugin_Line::END_ID()));
 726     aNPoint->setValue(aSPoint->x(), aSPoint->y());
 727   }
 728   else*/ if (aFeatureKind == SketchPlugin_MacroCircle::ID()) {
 729     // set circle type
 730     /*std::string aTypeAttributeId = SketchPlugin_MacroCircle::CIRCLE_TYPE();
 731     AttributeStringPtr aSourceFeatureTypeAttr = theSourceFeature->data()->string(aTypeAttributeId);
 732     AttributeStringPtr aNewFeatureTypeAttr = theNewFeature->data()->string(aTypeAttributeId);
 733     if (aNewFeatureTypeAttr->value() != aTypeAttributeId) // do nothing if there is no changes
 734       aNewFeatureTypeAttr->setValue(aSourceFeatureTypeAttr->value());
 735     //ModuleBase_Tools::flushUpdated(theNewFeature);*/
 736     //aChanged = true;
 737   }
 738   else if (aFeatureKind == SketchPlugin_MacroArc::ID()) {
 739     // set arc type
 740     /*std::string aTypeAttributeId = SketchPlugin_MacroArc::ARC_TYPE();
 741     AttributeStringPtr aSourceFeatureTypeAttr = theSourceFeature->data()->string(aTypeAttributeId);
 742     AttributeStringPtr aNewFeatureTypeAttr = theNewFeature->data()->string(aTypeAttributeId);
 743     if (aNewFeatureTypeAttr->value() != aTypeAttributeId) // do nothing if there is no changes
 744       aNewFeatureTypeAttr->setValue(aSourceFeatureTypeAttr->value());*/
 745     //// if the arc is tangent, set coincidence to end point of the previous arc
 746     //std::string anArcType = aSourceFeatureTypeAttr->value();
 747     //if (anArcType == SketchPlugin_Arc::ARC_TYPE_TANGENT()) {
 748     //  // get the last point of the previuos arc feature(geom point 2d)
 749     //  std::shared_ptr<ModelAPI_Data> aSData = theSourceFeature->data();
 750     //  std::shared_ptr<GeomDataAPI_Point2D> aSPointAttr =
 751     //                                  std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 752     //                                  aSData->attribute(SketchPlugin_Arc::END_ID()));
 753     //  // get point attribute on the current feature
 754     //  AttributeRefAttrPtr aTangentPointAttr = theNewFeature->data()->refattr(
 755     //                                                SketchPlugin_Arc::TANGENT_POINT_ID());
 756     //  aTangentPointAttr->setAttr(aSPointAttr);
 757
 758     //  std::shared_ptr<GeomDataAPI_Point2D> aNPointAttr =
 759     //                                std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 760     //                                theNewFeature->data()->attribute(SketchPlugin_Arc::END_ID()));
 761     //  aNPointAttr->setValue(aSPointAttr->x(), aSPointAttr->y());
 762
 763     //}
 764     //ModuleBase_Tools::flushUpdated(theNewFeature);
 765     //aChanged = true;
 766   }
 767   else if (aFeatureKind == SketchPlugin_Trim::ID() ||
 768            aFeatureKind == SketchPlugin_Split::ID()) {
 769     std::string aPreviewObjectAttribute = aFeatureKind == SketchPlugin_Trim::ID() ?
 770                 SketchPlugin_Trim::PREVIEW_OBJECT(): SketchPlugin_Split::PREVIEW_OBJECT();
 771     std::string aPreviewPointAttribute = aFeatureKind == SketchPlugin_Trim::ID() ?
 772                 SketchPlugin_Trim::PREVIEW_POINT(): SketchPlugin_Split::PREVIEW_POINT();
 773     std::shared_ptr<ModelAPI_AttributeReference> aRefPreviewAttr =
 774                       std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 775                       theSourceFeature->data()->attribute(aPreviewObjectAttribute));
 776     std::shared_ptr<ModelAPI_AttributeReference> aNRefPreviewAttr =
 777                         std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 778                         theNewFeature->data()->attribute(aPreviewObjectAttribute));
 779     aNRefPreviewAttr->setValue(aRefPreviewAttr->value());
 780     std::shared_ptr<GeomDataAPI_Point2D> aPointPreviewAttr =
 781                       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 782                       theSourceFeature->data()->attribute(aPreviewPointAttribute));
 783     std::shared_ptr<GeomDataAPI_Point2D> aNPointPreviewAttr =
 784                       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 785                       theNewFeature->data()->attribute(aPreviewPointAttribute));
 786     aNPointPreviewAttr->setValue(aPointPreviewAttr->x(), aPointPreviewAttr->y());
 787   }
 788   return aChanged;
 789 }
 790
 791 bool PartSet_SketcherReentrantMgr::isTangentArc(ModuleBase_Operation* theOperation,
 792                                                  const CompositeFeaturePtr& /*theSketch*/) const
 793 {
 794   bool aTangentArc = false;
 795   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 796                                                                         (theOperation);
 797   if (aFOperation && module()->sketchMgr()->isNestedSketchOperation(aFOperation)) {
 798     FeaturePtr aFeature = aFOperation->feature();
 799     if (aFeature.get() && aFeature->getKind() == SketchPlugin_MacroArc::ID()) {
 800       AttributeStringPtr aTypeAttr = aFeature->data()->string(SketchPlugin_MacroArc::ARC_TYPE());
 801       std::string anArcType = aTypeAttr.get() ? aTypeAttr->value() : "";
 802       aTangentArc = anArcType == SketchPlugin_MacroArc::ARC_TYPE_BY_TANGENT_EDGE();
 803     }
 804   }
 805   return aTangentArc;
 806 }
 807
 808 void PartSet_SketcherReentrantMgr::updateAcceptAllAction()
 809 {
 810   CompositeFeaturePtr aSketch = module()->sketchMgr()->activeSketch();
 811   if (aSketch.get())
 812     workshop()->errorMgr()->updateAcceptAllAction(aSketch);
 813 }
 814
 815 XGUI_Workshop* PartSet_SketcherReentrantMgr::workshop() const
 816 {
 817   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myWorkshop);
 818   return aConnector->workshop();
 819 }
 820
 821 PartSet_Module* PartSet_SketcherReentrantMgr::module() const
 822 {
 823   return dynamic_cast<PartSet_Module*>(myWorkshop->module());
 824 }
 825
 826 void PartSet_SketcherReentrantMgr::setInternalActiveWidget(ModuleBase_ModelWidget* theWidget)
 827 {
 828   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 829     (myWorkshop->currentOperation());
 830   if (aFOperation)
 831   {
 832     XGUI_PropertyPanel* aPropertyPanel = dynamic_cast<XGUI_PropertyPanel*>
 833       (aFOperation->propertyPanel());
 834     if (aPropertyPanel)
 835       aPropertyPanel->setInternalActiveWidget(theWidget);
 836   }
 837 }
 838
 839 void PartSet_SketcherReentrantMgr::onAutoConstraints(bool isOn)
 840 {
 841   myIsAutoConstraints = isOn;
 842 }
 843
 844 void PartSet_SketcherReentrantMgr::addConstraints(const FeaturePtr& theFeature)
 845 {
 846   if (theFeature->getKind() != SketchPlugin_Line::ID())
 847     return;
 848
 849   static GeomDir2dPtr myHorDir(new GeomAPI_Dir2d(1, 0));
 850   static GeomDir2dPtr myVertDir(new GeomAPI_Dir2d(0, 1));
 851
 852   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 853   std::shared_ptr<GeomDataAPI_Point2D> aPoint1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 854       aData->attribute(SketchPlugin_Line::START_ID()));
 855   std::shared_ptr<GeomDataAPI_Point2D> aPoint2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 856       aData->attribute(SketchPlugin_Line::END_ID()));
 857   if (aPoint1.get() && aPoint2.get()) {
 858     GeomLine2dPtr aLine(new GeomAPI_Lin2d(aPoint1->pnt(), aPoint2->pnt()));
 859     GeomDir2dPtr aDir = aLine->direction();
 860     double aHorAngle = fabs(myHorDir->angle(aDir));
 861     double aVertAngle = fabs(myVertDir->angle(aDir));
 862     if (aHorAngle > M_PI/2.)
 863       aHorAngle = M_PI - aHorAngle;
 864     if (aVertAngle > M_PI/2.)
 865       aVertAngle = M_PI - aVertAngle;
 866
 867     double aTolerance = Config_PropManager::real(SKETCH_TAB_NAME, "angular_tolerance");
 868     CompositeFeaturePtr aSketch = module()->sketchMgr()->activeSketch();
 869     FeaturePtr aFeature;
 870     if (aHorAngle < aTolerance)
 871       // Add horizontal constraint
 872       aFeature = aSketch->addFeature(SketchPlugin_ConstraintHorizontal::ID());
 873     else if (aVertAngle < aTolerance)
 874       // Add vertical constraint
 875       aFeature = aSketch->addFeature(SketchPlugin_ConstraintVertical::ID());
 876
 877     if (aFeature.get()) {
 878       aFeature->refattr(SketchPlugin_Constraint::ENTITY_A())->setObject(
 879           theFeature->firstResult());
 880     }
 881   }
 882 }