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[modules/shaper.git] / src / PartSet / PartSet_SketcherMgr.cpp
1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
2
3 // File:        PartSet_SketcherMgr.cpp
4 // Created:     19 Dec 2014
5 // Author:      Vitaly SMETANNIKOV
6
7 #include "PartSet_SketcherMgr.h"
8 #include "PartSet_SketcherReetntrantMgr.h"
9 #include "PartSet_Module.h"
10 #include "PartSet_WidgetPoint2d.h"
11 #include "PartSet_WidgetPoint2dDistance.h"
12 #include "PartSet_Tools.h"
13 #include "PartSet_WidgetSketchLabel.h"
14 #include "PartSet_WidgetEditor.h"
15 #include "PartSet_ResultSketchPrs.h"
16
17 #include <XGUI_ModuleConnector.h>
18 #include <XGUI_Displayer.h>
19 #include <XGUI_Workshop.h>
20 #include <XGUI_ContextMenuMgr.h>
21 #include <XGUI_Selection.h>
22 #include <XGUI_SelectionMgr.h>
23 #include <XGUI_ModuleConnector.h>
24 #include <XGUI_PropertyPanel.h>
25 #include <XGUI_ViewerProxy.h>
26 #include <XGUI_OperationMgr.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
40 #include <GeomDataAPI_Point2D.h>
41
42 #include <Events_Loop.h>
43
44 #include <SketchPlugin_Line.h>
45 #include <SketchPlugin_Sketch.h>
46 #include <SketchPlugin_Point.h>
47 #include <SketchPlugin_Arc.h>
48 #include <SketchPlugin_Circle.h>
49 #include <SketchPlugin_ConstraintLength.h>
50 #include <SketchPlugin_ConstraintDistance.h>
51 #include <SketchPlugin_ConstraintParallel.h>
52 #include <SketchPlugin_ConstraintPerpendicular.h>
53 #include <SketchPlugin_ConstraintRadius.h>
54 #include <SketchPlugin_ConstraintRigid.h>
55 #include <SketchPlugin_ConstraintHorizontal.h>
56 #include <SketchPlugin_ConstraintVertical.h>
57 #include <SketchPlugin_ConstraintEqual.h>
58 #include <SketchPlugin_ConstraintTangent.h>
59 #include <SketchPlugin_ConstraintCoincidence.h>
60 #include <SketchPlugin_ConstraintFillet.h>
61 #include <SketchPlugin_ConstraintMirror.h>
62 #include <SketchPlugin_ConstraintAngle.h>
63 #include <SketchPlugin_ConstraintCollinear.h>
64 #include <SketchPlugin_ConstraintMiddle.h>
65 #include <SketchPlugin_MultiRotation.h>
66 #include <SketchPlugin_MultiTranslation.h>
67 #include <SketchPlugin_IntersectionPoint.h>
68
69 #include <SketcherPrs_Tools.h>
70
71 #include <SelectMgr_IndexedMapOfOwner.hxx>
72 #include <StdSelect_BRepOwner.hxx>
73
74 //#include <AIS_DimensionSelectionMode.hxx>
75 #include <AIS_Shape.hxx>
76 #include <AIS_Dimension.hxx>
77
78 #include <ModelAPI_Events.h>
79 #include <ModelAPI_Session.h>
80 #include <ModelAPI_AttributeString.h>
81
82 #include <QMouseEvent>
83 #include <QApplication>
84 #include <QCursor>
85 #include <QMessageBox>
86
87 //#define DEBUG_DO_NOT_BY_ENTER
88
89 //#define DEBUG_CURSOR
90
91 /// Returns list of unique objects by sum of objects from List1 and List2
92 /*QList<ModuleBase_ViewerPrs> getSumList(const QList<ModuleBase_ViewerPrs>& theList1,
93                                        const QList<ModuleBase_ViewerPrs>& theList2)
94 {
95   QList<ModuleBase_ViewerPrs> aRes;
96   foreach (ModuleBase_ViewerPrs aPrs, theList1) {
97     if (!aRes.contains(aPrs))
98       aRes.append(aPrs);
99   }
100   foreach (ModuleBase_ViewerPrs aPrs, theList2) {
101     if (!aRes.contains(aPrs))
102       aRes.append(aPrs);
103   }
104   return aRes;
105 }*/
106
107 // Fills the list of features the list of selected presentations.
108 // \param theList a list of selected presentations
109 // \param theSketch a sketch to project a vertex shape of a presentation to the plane
110 // and find the corresponded attribute
111 // \param theFeatureList  an output list of features
112 void fillFeatureList(const QList<ModuleBase_ViewerPrs>& theList,
113                      const FeaturePtr theSketch,
114                      QList<FeaturePtr>& theFeatureList)
115 {
116   QList<ModuleBase_ViewerPrs> aRes;
117
118   QList<ModuleBase_ViewerPrs>::const_iterator anIt = theList.begin(),
119                                               aLast = theList.end();
120   for (; anIt != aLast; anIt++)
121   {
122     ModuleBase_ViewerPrs aPrs = *anIt;
123     FeaturePtr aFeature = ModelAPI_Feature::feature(aPrs.object());
124     if (aFeature.get()  && !theFeatureList.contains(aFeature))
125       theFeatureList.append(aFeature);
126   }
127 }
128
129 /// Fills attribute and result lists by the selected owner. In case if the attribute is found,
130 /// by the owner shape, it is put to the list. Otherwise if type of owner shape is edge, put the function
131 /// result as is to the list of results.
132 /// \param theOwner a viewer selected owner
133 /// \param theFeature a feature, where the attribute is searched
134 /// \param theSketch a current sketch
135 /// \param theSelectedAttribute an output list of attributes
136 /// \param theSelectedResults an output list of edge results
137 void getAttributesOrResults(const Handle(SelectMgr_EntityOwner)& theOwner,
138                             const FeaturePtr& theFeature, const FeaturePtr& theSketch,
139                             const ResultPtr& theResult,
140                             std::set<AttributePtr>& aSelectedAttributes,
141                             std::set<ResultPtr>& aSelectedResults)
142 {
143   Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(theOwner);
144   if (aBRepOwner.IsNull())
145     return;
146   Handle(AIS_InteractiveObject) anIO = Handle(AIS_InteractiveObject)::DownCast(
147                                                                     aBRepOwner->Selectable());
148   if (aBRepOwner->HasShape()) {
149     const TopoDS_Shape& aShape = aBRepOwner->Shape();
150     TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
151     if (aShapeType == TopAbs_VERTEX) {
152       AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(theFeature,
153                                                                     aShape, theSketch);
154       if (aPntAttr.get() != NULL)
155         aSelectedAttributes.insert(aPntAttr);
156     }
157     else if (aShapeType == TopAbs_EDGE &&
158              aSelectedResults.find(theResult) == aSelectedResults.end()) {
159       aSelectedResults.insert(theResult);
160     }
161   }
162 }
163
164 PartSet_SketcherMgr::PartSet_SketcherMgr(PartSet_Module* theModule)
165   : QObject(theModule), myModule(theModule), myIsDragging(false), myDragDone(false),
166     myIsMouseOverWindow(false),
167     myIsMouseOverViewProcessed(true), myPreviousUpdateViewerEnabled(true),
168     myIsPopupMenuActive(false)
169 {
170   ModuleBase_IWorkshop* anIWorkshop = myModule->workshop();
171   ModuleBase_IViewer* aViewer = anIWorkshop->viewer();
172
173   myPreviousDrawModeEnabled = true;//aViewer->isSelectionEnabled();
174
175   connect(aViewer, SIGNAL(mousePress(ModuleBase_IViewWindow*, QMouseEvent*)),
176           this, SLOT(onMousePressed(ModuleBase_IViewWindow*, QMouseEvent*)));
177
178   connect(aViewer, SIGNAL(mouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)),
179           this, SLOT(onMouseReleased(ModuleBase_IViewWindow*, QMouseEvent*)));
180
181   connect(aViewer, SIGNAL(mouseMove(ModuleBase_IViewWindow*, QMouseEvent*)),
182           this, SLOT(onMouseMoved(ModuleBase_IViewWindow*, QMouseEvent*)));
183
184   connect(aViewer, SIGNAL(mouseDoubleClick(ModuleBase_IViewWindow*, QMouseEvent*)),
185           this, SLOT(onMouseDoubleClick(ModuleBase_IViewWindow*, QMouseEvent*)));
186
187   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(anIWorkshop);
188   XGUI_Workshop* aWorkshop = aConnector->workshop();
189   connect(aWorkshop, SIGNAL(applicationStarted()), this, SLOT(onApplicationStarted()));
190
191   myIsConstraintsShown[PartSet_Tools::Geometrical] = true;
192   myIsConstraintsShown[PartSet_Tools::Dimensional] = true;
193   myIsConstraintsShown[PartSet_Tools::Expressions] = false;
194 }
195
196 PartSet_SketcherMgr::~PartSet_SketcherMgr()
197 {
198   if (!myPlaneFilter.IsNull())
199     myPlaneFilter.Nullify();
200 }
201
202 void PartSet_SketcherMgr::onEnterViewPort()
203 {
204   // 1. if the mouse over window, update the next flag. Do not perform update visibility of
205   // created feature because it should be done in onMouseMove(). Some widgets watch
206   // the mouse move and use the cursor position to update own values. If the presentaion is
207   // redisplayed before this update, the feature presentation jumps from reset value to current.
208   myIsMouseOverWindow = true;
209
210   #ifdef DEBUG_DO_NOT_BY_ENTER
211   return;
212   #endif
213
214   if (canChangeCursor(getCurrentOperation())) {
215     QCursor* aCurrentCursor = QApplication::overrideCursor();
216     if (!aCurrentCursor || aCurrentCursor->shape() != Qt::CrossCursor) {
217       QApplication::setOverrideCursor(QCursor(Qt::CrossCursor));
218 #ifdef DEBUG_CURSOR
219       qDebug("onEnterViewPort() : Qt::CrossCursor");
220 #endif
221     }
222   }
223
224   if (!isNestedCreateOperation(getCurrentOperation()))
225     return;
226
227   operationMgr()->onValidateOperation();
228
229   // we need change displayed state of the current operation feature
230   // if the feature is presentable, e.g. distance construction. It has no results, so workshop does
231   // not accept a signal about the result created. Nothing is shown until mouse is moved out/in view
232   // port. If the isDisplayed flag is true, the presentable feature is displayed as soon as the
233   // presentation becomes valid and redisplay happens
234   //ModuleBase_Operation* aOperation = getCurrentOperation();
235   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
236                                                                            (getCurrentOperation());
237   if (aFOperation) {
238     FeaturePtr aFeature = aFOperation->feature();
239     if (aFeature.get() && aFeature->data()->isValid()) {
240       visualizeFeature(aFeature, aFOperation->isEditOperation(), canDisplayObject(aFeature), false);
241     }
242   }
243 }
244
245 void PartSet_SketcherMgr::onLeaveViewPort()
246 {
247   myIsMouseOverViewProcessed = false;
248   myIsMouseOverWindow = false;
249   // it is important to validate operation here only if sketch entity create operation is active
250   // because at this operation we reacts to the mouse leave/enter view port
251   //operationMgr()->onValidateOperation();
252
253   #ifdef DEBUG_DO_NOT_BY_ENTER
254   return;
255   #endif
256
257   if (canChangeCursor(getCurrentOperation())) {
258     QApplication::restoreOverrideCursor();
259 #ifdef DEBUG_CURSOR
260     qDebug("onLeaveViewPort() : None");
261 #endif
262   }
263
264   if (!isNestedCreateOperation(getCurrentOperation()))
265     return;
266
267   // the method should be performed if the popup menu is called,
268   // the reset of the current widget should not happen
269   if (myIsPopupMenuActive)
270     return;
271
272   operationMgr()->onValidateOperation();
273
274   // 2. if the mouse IS NOT over window, reset the active widget value and hide the presentation
275   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
276   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
277   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
278   // disable the viewer update in order to avoid visualization of redisplayed feature in viewer
279   // obtained after reset value
280   bool isEnableUpdateViewer = aDisplayer->enableUpdateViewer(false);
281   ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
282   if (anActiveWidget)
283     anActiveWidget->reset();
284
285   // hides the presentation of the current operation feature
286   // the feature is to be erased here, but it is correct to call canDisplayObject because
287   // there can be additional check (e.g. editor widget in distance constraint)
288   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
289                                                                            (getCurrentOperation());
290   if (aFOperation) {
291     FeaturePtr aFeature = aFOperation->feature();
292     visualizeFeature(aFeature, aFOperation->isEditOperation(), canDisplayObject(aFeature));
293   }
294   // we should update viewer after the presentation are hidden in the viewer
295   // otherwise the reset presentation(line) appears in the viewer(by quick move from viewer to PP)
296   aDisplayer->enableUpdateViewer(isEnableUpdateViewer);
297 }
298
299 void PartSet_SketcherMgr::onBeforeValuesChangedInPropertyPanel()
300 {
301   if (!isNestedEditOperation(getCurrentOperation()) ||
302       myModule->sketchReentranceMgr()->isInternalEditActive())
303     return;
304   // it is necessary to save current selection in order to restore it after the values are modifed
305   storeSelection();
306
307   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
308   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
309   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
310   myPreviousUpdateViewerEnabled = aDisplayer->enableUpdateViewer(false);
311 }
312
313 void PartSet_SketcherMgr::onAfterValuesChangedInPropertyPanel()
314 {
315   if (!isNestedEditOperation(getCurrentOperation()) ||
316       myModule->sketchReentranceMgr()->isInternalEditActive()) {
317     myModule->sketchReentranceMgr()->updateInternalEditActiveState();
318     return;
319   }
320   // it is necessary to restore current selection in order to restore it after the values are modified
321   restoreSelection();
322   myCurrentSelection.clear();
323
324   // 3. the flag to disable the update viewer should be set in order to avoid blinking in the 
325   // viewer happens by deselect/select the modified objects. The flag should be restored after
326   // the selection processing. The update viewer should be also called.
327   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
328   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
329   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
330   aDisplayer->enableUpdateViewer(myPreviousUpdateViewerEnabled);
331   aDisplayer->updateViewer();
332
333
334 }
335
336 void PartSet_SketcherMgr::onMousePressed(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
337 {
338   if (myModule->sketchReentranceMgr()->processMousePressed(theWnd, theEvent))
339     return;
340
341   //get2dPoint(theWnd, theEvent, myClickedPoint);
342
343   if (!(theEvent->buttons() & Qt::LeftButton))
344     return;
345
346   // Clear dragging mode
347   myIsDragging = false;
348
349   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
350   ModuleBase_IViewer* aViewer = aWorkshop->viewer();
351   if (!aViewer->canDragByMouse())
352     return;
353
354   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
355                                                                (getCurrentOperation());
356   if (!aFOperation)
357     return;
358
359   if (aFOperation->isEditOperation()) {
360     // If the current widget is a selector, do nothing, it processes the mouse press
361     ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
362     if(anActiveWidget && anActiveWidget->isViewerSelector()) {
363       return;
364     }
365   }
366
367   // Use only for sketch operations
368   if (myCurrentSketch) {
369     if (!PartSet_Tools::sketchPlane(myCurrentSketch))
370       return;
371
372     bool isSketcher = isSketchOperation(aFOperation);
373     bool isSketchOpe = isNestedSketchOperation(aFOperation);
374
375     // Avoid non-sketch operations
376     if ((!isSketchOpe) && (!isSketcher))
377       return;
378
379     bool isEditing = aFOperation->isEditOperation();
380
381     // Ignore creation sketch operation
382     if ((!isSketcher) && (!isEditing))
383       return;
384
385     Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
386     if (!aContext.IsNull()) {
387       // MoveTo in order to highlight current object
388       aContext->MoveTo(theEvent->x(), theEvent->y(), theWnd->v3dView());
389     }
390     // Remember highlighted objects for editing
391     ModuleBase_ISelection* aSelect = aWorkshop->selection();
392
393     bool aHasShift = (theEvent->modifiers() & Qt::ShiftModifier);
394     storeSelection(!aHasShift);
395
396     if (myCurrentSelection.empty()) {
397       if (isSketchOpe && (!isSketcher))
398         // commit previous operation
399         if (!aFOperation->commit())
400           aFOperation->abort();
401       return;
402     }
403     // Init flyout point for radius rotation
404     FeaturePtr aFeature = myCurrentSelection.begin().key();
405
406     if (isSketcher) {
407       myIsDragging = true;
408       get2dPoint(theWnd, theEvent, myCurrentPoint);
409       myDragDone = false;
410
411       myPreviousDrawModeEnabled = aViewer->enableDrawMode(false);
412       launchEditing();
413       if (aFeature.get() != NULL) {
414         std::shared_ptr<SketchPlugin_Feature> aSPFeature = 
415                   std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
416       if (aSPFeature.get() && aSPFeature->getKind() == SketchPlugin_ConstraintRadius::ID()) {
417           DataPtr aData = aSPFeature->data();
418           AttributePtr aAttr = aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT());
419           std::shared_ptr<GeomDataAPI_Point2D> aFPAttr = 
420             std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aAttr);
421           aFPAttr->setValue(myCurrentPoint.myCurX, myCurrentPoint.myCurY);
422         }
423       }
424     } else if (isSketchOpe && isEditing) {
425       // If selected another object commit current result
426       aFOperation->commit();
427
428       myIsDragging = true;
429       get2dPoint(theWnd, theEvent, myCurrentPoint);
430       myDragDone = false;
431
432       myPreviousDrawModeEnabled = aViewer->enableDrawMode(false);
433
434       // this is temporary commented in order to avoid the following wrong case:
435       // Distance constraint is under edition, double click on the digit -> nothing happens
436       // because QApplication::processEvents() calls onMouseDoubleClick, which try to show editor
437       // but as the prev edit is commited an new one is not started, editor is not shown.
438       // This is necessary in order to finalize previous operation
439       //QApplication::processEvents();
440       launchEditing();
441     }
442   }
443 }
444
445 void PartSet_SketcherMgr::onMouseReleased(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
446 {
447   if (myModule->sketchReentranceMgr()->processMouseReleased(theWnd, theEvent))
448     return;
449
450   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
451   ModuleBase_IViewer* aViewer = aWorkshop->viewer();
452   if (!aViewer->canDragByMouse())
453     return;
454   ModuleBase_Operation* aOp = getCurrentOperation();
455   if (aOp) {
456     if (isNestedSketchOperation(aOp)) {
457       //get2dPoint(theWnd, theEvent, myClickedPoint);
458
459       // Only for sketcher operations
460       if (myIsDragging) {
461         if (myDragDone) {
462           //aOp->commit();
463           myCurrentSelection.clear();
464           /*Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
465           if (!aContext.IsNull()) {
466           // Reselect edited object
467           aContext->MoveTo(theEvent->x(), theEvent->y(), theWnd->v3dView());
468           if (theEvent->modifiers() & Qt::ShiftModifier)
469             aContext->ShiftSelect();
470           else
471             aContext->Select();
472           */
473         }
474       }
475     }
476   }
477
478   aWorkshop->viewer()->enableDrawMode(myPreviousDrawModeEnabled);
479   myIsDragging = false;
480 }
481
482 void PartSet_SketcherMgr::onMouseMoved(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
483 {
484   if (myModule->sketchReentranceMgr()->processMouseMoved(theWnd, theEvent))
485     return;
486
487   if (isNestedCreateOperation(getCurrentOperation()) && !myIsMouseOverViewProcessed) {
488     myIsMouseOverViewProcessed = true;
489     // 1. perform the widget mouse move functionality and display the presentation
490     // the mouse move should be processed in the widget, if it can in order to visualize correct
491     // presentation. These widgets correct the feature attribute according to the mouse position
492     ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
493     PartSet_WidgetPoint2D* aPoint2DWdg = dynamic_cast<PartSet_WidgetPoint2D*>(anActiveWidget);
494     if (aPoint2DWdg) {
495       aPoint2DWdg->onMouseMove(theWnd, theEvent);
496     }
497     PartSet_WidgetPoint2dDistance* aDistanceWdg = dynamic_cast<PartSet_WidgetPoint2dDistance*>
498                                                                 (anActiveWidget);
499     if (aDistanceWdg) {
500       aDistanceWdg->onMouseMove(theWnd, theEvent);
501     }
502     // the feature is to be erased here, but it is correct to call canDisplayObject because
503     // there can be additional check (e.g. editor widget in distance constraint)
504     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
505                                                                              (getCurrentOperation());
506     if (aFOperation) {
507       FeaturePtr aFeature = aFOperation->feature();
508       visualizeFeature(aFeature, aFOperation->isEditOperation(), canDisplayObject(aFeature));
509     }
510   }
511
512   //myClickedPoint.clear();
513
514   if (myIsDragging) {
515     // 1. the current selection is saved in the mouse press method in order to restore it after moving
516     // 2. the enable selection in the viewer should be temporary switched off in order to ignore
517     // mouse press signal in the viewer(it call Select for AIS context and the dragged objects are
518     // deselected). This flag should be restored in the slot, processed the mouse release signal.
519
520     ModuleBase_Operation* aCurrentOperation = getCurrentOperation();
521     if (!aCurrentOperation)
522       return;
523     if (isSketchOperation(aCurrentOperation))
524       return; // No edit operation activated
525
526     Handle(V3d_View) aView = theWnd->v3dView();
527     gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), aView);
528     double aX, aY;
529     PartSet_Tools::convertTo2D(aPoint, myCurrentSketch, aView, aX, aY);
530     double dX =  aX - myCurrentPoint.myCurX;
531     double dY =  aY - myCurrentPoint.myCurY;
532
533     ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
534     XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
535     XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
536     // 3. the flag to disable the update viewer should be set in order to avoid blinking in the 
537     // viewer happens by deselect/select the modified objects. The flag should be restored after
538     // the selection processing. The update viewer should be also called.
539     bool isEnableUpdateViewer = aDisplayer->enableUpdateViewer(false);
540
541     static Events_ID aMoveEvent = Events_Loop::eventByName(EVENT_OBJECT_MOVED);
542     //static Events_ID aUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
543     FeatureToSelectionMap::const_iterator anIt = myCurrentSelection.begin(),
544                                           aLast = myCurrentSelection.end();
545     // 4. the features and attributes modification(move)
546     bool isModified = false;
547     for (; anIt != aLast; anIt++) {
548       FeaturePtr aFeature = anIt.key();
549
550       std::set<AttributePtr> anAttributes = anIt.value().first;
551       // Process selection by attribute: the priority to the attribute
552       if (!anAttributes.empty()) {
553         std::set<AttributePtr>::const_iterator anAttIt = anAttributes.begin(),
554                                                anAttLast = anAttributes.end();
555         for (; anAttIt != anAttLast; anAttIt++) {
556           AttributePtr anAttr = *anAttIt;
557           if (anAttr.get() == NULL)
558             continue;
559           std::string aAttrId = anAttr->id();
560           DataPtr aData = aFeature->data();
561           if (aData->isValid()) {
562             std::shared_ptr<GeomDataAPI_Point2D> aPoint = 
563               std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(aAttrId));
564             if (aPoint.get() != NULL) {
565               bool isImmutable = aPoint->setImmutable(true);
566               aPoint->move(dX, dY);
567               isModified = true;
568               ModelAPI_EventCreator::get()->sendUpdated(aFeature, aMoveEvent);
569               aPoint->setImmutable(isImmutable);
570             }
571           }
572         }
573       } else {
574         // Process selection by feature
575         std::shared_ptr<SketchPlugin_Feature> aSketchFeature =
576           std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
577         if (aSketchFeature) {
578           aSketchFeature->move(dX, dY);
579           isModified = true;
580           ModelAPI_EventCreator::get()->sendUpdated(aSketchFeature, aMoveEvent);
581         }
582       }
583     }
584     // the modified state of the current operation should be updated if there are features, which
585     // were changed here
586     if (isModified) {
587       aCurrentOperation->onValuesChanged();
588     }
589     Events_Loop::loop()->flush(aMoveEvent); // up all move events - to be processed in the solver
590     //Events_Loop::loop()->flush(aUpdateEvent); // up update events - to redisplay presentations
591
592     // 5. it is necessary to save current selection in order to restore it after the features moving
593     restoreSelection();
594     // 6. restore the update viewer flag and call this update
595     aDisplayer->enableUpdateViewer(isEnableUpdateViewer);
596     aDisplayer->updateViewer();
597
598     myDragDone = true;
599     myCurrentPoint.setValue(aX, aY);
600   }
601 }
602
603 void PartSet_SketcherMgr::onMouseDoubleClick(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
604 {
605   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
606                                                                (getCurrentOperation());
607   if (aFOperation && aFOperation->isEditOperation()) {
608     std::string aId = aFOperation->id().toStdString();
609     if (isDistanceOperation(aFOperation))
610     {
611       // Activate dimension value editing on double click
612       ModuleBase_IPropertyPanel* aPanel = aFOperation->propertyPanel();
613       QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
614       // Find corresponded widget to activate value editing
615       foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
616         if (aWgt->attributeID() == "ConstraintValue") {
617           PartSet_WidgetEditor* anEditor = dynamic_cast<PartSet_WidgetEditor*>(aWgt);
618           if (anEditor)
619             anEditor->showPopupEditor();
620           return;
621         }
622       }
623     }
624   }
625 }
626
627 void PartSet_SketcherMgr::onApplicationStarted()
628 {
629   ModuleBase_IWorkshop* anIWorkshop = myModule->workshop();
630   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(anIWorkshop);
631   XGUI_Workshop* aWorkshop = aConnector->workshop();
632   PartSet_SketcherReetntrantMgr* aReentranceMgr = myModule->sketchReentranceMgr();
633
634   XGUI_PropertyPanel* aPropertyPanel = aWorkshop->propertyPanel();
635   if (aPropertyPanel) {
636     //connect(aPropertyPanel, SIGNAL(beforeWidgetActivated(ModuleBase_ModelWidget*)),
637     //        this, SLOT(onBeforeWidgetActivated(ModuleBase_ModelWidget*)));
638
639     connect(aPropertyPanel, SIGNAL(noMoreWidgets(const std::string&)),
640             aReentranceMgr, SLOT(onNoMoreWidgets(const std::string&)));
641     connect(aPropertyPanel, SIGNAL(widgetActivated(ModuleBase_ModelWidget*)),
642             aReentranceMgr, SLOT(onWidgetActivated()));
643   }
644
645   XGUI_ViewerProxy* aViewerProxy = aWorkshop->viewer();
646   connect(aViewerProxy, SIGNAL(enterViewPort()), this, SLOT(onEnterViewPort()));
647   connect(aViewerProxy, SIGNAL(leaveViewPort()), this, SLOT(onLeaveViewPort()));
648
649   XGUI_ContextMenuMgr* aContextMenuMgr = aWorkshop->contextMenuMgr();
650   connect(aContextMenuMgr, SIGNAL(beforeContextMenu()), this, SLOT(onBeforeContextMenu()));
651   connect(aContextMenuMgr, SIGNAL(afterContextMenu()), this, SLOT(onAfterContextMenu()));
652 }
653
654 //void PartSet_SketcherMgr::onBeforeWidgetActivated(ModuleBase_ModelWidget* theWidget)
655 //{
656   //if (!myClickedPoint.myIsInitialized)
657   //  return;
658
659   //ModuleBase_Operation* aOperation = getCurrentOperation();
660   // the distance constraint feature should not use the clickedd point
661   // this is workaround in order to don't throw down the flyout point value,
662   // set by execute() method of these type of features
663   //if (isDistanceOperation(aOperation))
664   //  return;
665
666   //PartSet_WidgetPoint2D* aPnt2dWgt = dynamic_cast<PartSet_WidgetPoint2D*>(theWidget);
667   //if (aPnt2dWgt) {
668   //  aPnt2dWgt->setPoint(myClickedPoint.myCurX, myClickedPoint.myCurY);
669   //}
670 //}
671
672 void PartSet_SketcherMgr::onBeforeContextMenu()
673 {
674   myIsPopupMenuActive = true;
675 }
676
677 void PartSet_SketcherMgr::onAfterContextMenu()
678 {
679   myIsPopupMenuActive = false;
680 }
681
682 void PartSet_SketcherMgr::get2dPoint(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent, 
683                                      Point& thePoint)
684 {
685   Handle(V3d_View) aView = theWnd->v3dView();
686   gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), aView);
687   double aX, anY;
688   PartSet_Tools::convertTo2D(aPoint, myCurrentSketch, aView, aX, anY);
689   thePoint.setValue(aX, anY);
690 }
691
692 void PartSet_SketcherMgr::launchEditing()
693 {
694   if (!myCurrentSelection.empty()) {
695     FeaturePtr aFeature = myCurrentSelection.begin().key();
696     std::shared_ptr<SketchPlugin_Feature> aSPFeature = 
697               std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
698     if (aSPFeature) {
699       myModule->editFeature(aSPFeature);
700     }
701   }
702 }
703
704 bool PartSet_SketcherMgr::sketchSolverError()
705 {
706   bool anError = false;
707   CompositeFeaturePtr aSketch = activeSketch();
708   if (aSketch.get()) {
709     AttributeStringPtr aAttributeString = aSketch->string(SketchPlugin_Sketch::SOLVER_ERROR());
710     anError = !aAttributeString->value().empty();
711   }
712   return anError;
713 }
714
715 QString PartSet_SketcherMgr::getFeatureError(const FeaturePtr& theFeature)
716 {
717   QString anError = "";
718   if (!theFeature.get() || !theFeature->data()->isValid())
719     return anError;
720
721   CompositeFeaturePtr aSketch = activeSketch();
722   if (aSketch.get() && aSketch == theFeature) {
723     AttributeStringPtr aAttributeString = aSketch->string(SketchPlugin_Sketch::SOLVER_ERROR());
724     anError = aAttributeString->value().c_str();
725   }
726   return anError;
727 }
728
729 void PartSet_SketcherMgr::clearClickedFlags()
730 {
731   //myClickedPoint.clear();
732   myCurrentPoint.clear();
733 }
734
735 const QStringList& PartSet_SketcherMgr::sketchOperationIdList()
736 {
737   static QStringList aIds;
738   if (aIds.size() == 0) {
739     aIds << SketchPlugin_Line::ID().c_str();
740     aIds << SketchPlugin_Point::ID().c_str();
741     aIds << SketchPlugin_Arc::ID().c_str();
742     aIds << SketchPlugin_Circle::ID().c_str();
743     aIds << SketchPlugin_ConstraintFillet::ID().c_str();
744     aIds << SketchPlugin_IntersectionPoint::ID().c_str();
745     // TODO
746     // SketchRectangle is a python feature, so its ID is passed just as a string
747     aIds << "SketchRectangle";
748     aIds.append(constraintsIdList());
749   }
750   return aIds;
751 }
752
753 const QStringList& PartSet_SketcherMgr::constraintsIdList()
754 {
755   static QStringList aIds;
756   if (aIds.size() == 0) {
757     aIds << SketchPlugin_ConstraintLength::ID().c_str();
758     aIds << SketchPlugin_ConstraintDistance::ID().c_str();
759     aIds << SketchPlugin_ConstraintRigid::ID().c_str();
760     aIds << SketchPlugin_ConstraintRadius::ID().c_str();
761     aIds << SketchPlugin_ConstraintPerpendicular::ID().c_str();
762     aIds << SketchPlugin_ConstraintParallel::ID().c_str();
763     aIds << SketchPlugin_ConstraintHorizontal::ID().c_str();
764     aIds << SketchPlugin_ConstraintVertical::ID().c_str();
765     aIds << SketchPlugin_ConstraintEqual::ID().c_str();
766     aIds << SketchPlugin_ConstraintTangent::ID().c_str();
767     aIds << SketchPlugin_ConstraintCoincidence::ID().c_str();
768     aIds << SketchPlugin_ConstraintMirror::ID().c_str();
769     aIds << SketchPlugin_ConstraintAngle::ID().c_str();
770     aIds << SketchPlugin_MultiRotation::ID().c_str();
771     aIds << SketchPlugin_MultiTranslation::ID().c_str();
772     aIds << SketchPlugin_ConstraintCollinear::ID().c_str();
773     aIds << SketchPlugin_ConstraintMiddle::ID().c_str();
774   }
775   return aIds;
776 }
777
778 void PartSet_SketcherMgr::sketchSelectionModes(QIntList& theModes)
779 {
780   theModes.clear();
781
782   theModes.append(SketcherPrs_Tools::Sel_Dimension_Text);
783   theModes.append(SketcherPrs_Tools::Sel_Dimension_Line);
784   theModes.append(SketcherPrs_Tools::Sel_Constraint);
785   theModes.append(TopAbs_VERTEX);
786   theModes.append(TopAbs_EDGE);
787 }
788
789 Handle(AIS_InteractiveObject) PartSet_SketcherMgr::createPresentation(const ResultPtr& theResult)
790 {
791   Handle(AIS_InteractiveObject) aPrs;
792
793   FeaturePtr aFeature = ModelAPI_Feature::feature(theResult);
794   if (aFeature.get() && aFeature->getKind() == SketchPlugin_Sketch::ID()) {
795     aPrs = new PartSet_ResultSketchPrs(theResult);
796   }
797   return aPrs;
798 }
799
800 bool PartSet_SketcherMgr::isSketchOperation(ModuleBase_Operation* theOperation)
801 {
802   return theOperation && theOperation->id().toStdString() == SketchPlugin_Sketch::ID();
803 }
804
805 bool PartSet_SketcherMgr::isNestedSketchOperation(ModuleBase_Operation* theOperation)
806 {
807   return theOperation &&
808          PartSet_SketcherMgr::sketchOperationIdList().contains(theOperation->id());
809 }
810
811 bool PartSet_SketcherMgr::isNestedCreateOperation(ModuleBase_Operation* theOperation)
812 {
813   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
814                                                                (theOperation);
815   return aFOperation && !aFOperation->isEditOperation() && isNestedSketchOperation(aFOperation);
816 }
817
818 bool PartSet_SketcherMgr::isNestedEditOperation(ModuleBase_Operation* theOperation)
819 {
820   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
821                                                                (theOperation);
822   return aFOperation && aFOperation->isEditOperation() && isNestedSketchOperation(aFOperation);
823 }
824
825 bool PartSet_SketcherMgr::isEntity(const std::string& theId)
826 {
827   return (theId == SketchPlugin_Line::ID()) ||
828          (theId == SketchPlugin_Point::ID()) ||
829          (theId == SketchPlugin_Arc::ID()) ||
830          (theId == SketchPlugin_Circle::ID());
831 }
832
833 bool PartSet_SketcherMgr::isDistanceOperation(ModuleBase_Operation* theOperation)
834 {
835   std::string anId = theOperation ? theOperation->id().toStdString() : "";
836
837   return isDistanceKind(anId);
838 }
839
840 bool PartSet_SketcherMgr::isDistanceKind(std::string& theKind)
841 {
842   return (theKind == SketchPlugin_ConstraintLength::ID()) ||
843          (theKind == SketchPlugin_ConstraintDistance::ID()) ||
844          (theKind == SketchPlugin_ConstraintRadius::ID()) ||
845          (theKind == SketchPlugin_ConstraintAngle::ID());
846 }
847
848 void PartSet_SketcherMgr::startSketch(ModuleBase_Operation* theOperation)
849 {
850   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
851                                                                (getCurrentOperation());
852   if (!aFOperation)
853     return;
854
855   myModule->onViewTransformed();
856
857   // Display all sketcher sub-Objects
858   myCurrentSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFOperation->feature());
859   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myModule->workshop());
860   aConnector->workshop()->displayer()->activateTrihedron(true);
861
862   // Hide sketcher result
863   std::list<ResultPtr> aResults = myCurrentSketch->results();
864   std::list<ResultPtr>::const_iterator aIt;
865   for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
866     (*aIt)->setDisplayed(false);
867   }
868   myCurrentSketch->setDisplayed(false);
869
870   // Display sketcher objects
871   for (int i = 0; i < myCurrentSketch->numberOfSubs(); i++) {
872     FeaturePtr aFeature = myCurrentSketch->subFeature(i);
873     std::list<ResultPtr> aResults = aFeature->results();
874     std::list<ResultPtr>::const_iterator aIt;
875     for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
876       (*aIt)->setDisplayed(true);
877     }
878     aFeature->setDisplayed(true);
879   }
880
881   if(myCirclePointFilter.IsNull()) {
882     myCirclePointFilter = new PartSet_CirclePointFilter(myModule->workshop());
883   }
884
885   myModule->workshop()->viewer()->addSelectionFilter(myCirclePointFilter);
886
887   if (myPlaneFilter.IsNull()) 
888     myPlaneFilter = new ModuleBase_ShapeInPlaneFilter();
889
890   myModule->workshop()->viewer()->addSelectionFilter(myPlaneFilter);
891   bool aHasPlane = false;
892   std::shared_ptr<GeomAPI_Pln> aPln;
893   if (aFOperation->isEditOperation()) {
894     // If it is editing of sketch then it means that plane is already defined
895     aPln = PartSet_Tools::sketchPlane(myCurrentSketch);
896     if (aPln.get())
897       aHasPlane = true;
898   }
899   myPlaneFilter->setPlane(aPln);
900
901   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
902   // all sketch objects should be activated in the sketch selection modes by edit operation start
903   // in case of creation operation, there is an active widget, which activates own selection mode
904   if (aFOperation->isEditOperation() && aHasPlane)
905     aConnector->activateModuleSelectionModes();
906 }
907
908 void PartSet_SketcherMgr::stopSketch(ModuleBase_Operation* theOperation)
909 {
910   myIsMouseOverWindow = false;
911   myIsConstraintsShown[PartSet_Tools::Geometrical] = true;
912   myIsConstraintsShown[PartSet_Tools::Dimensional] = true;
913   myIsConstraintsShown[PartSet_Tools::Expressions] = false;
914
915   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myModule->workshop());
916
917   DataPtr aData = myCurrentSketch->data();
918   if (!aData->isValid()) {
919     XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
920     // The sketch was aborted
921     myCurrentSketch = CompositeFeaturePtr();
922     // TODO: move this outside of if-else
923     myModule->workshop()->viewer()->removeSelectionFilter(myCirclePointFilter);
924     myModule->workshop()->viewer()->removeSelectionFilter(myPlaneFilter);
925
926     // Erase all sketcher objects
927     QStringList aSketchIds = sketchOperationIdList();
928     QObjectPtrList aObjects = aDisplayer->displayedObjects();
929     foreach (ObjectPtr aObj, aObjects) {
930       DataPtr aObjData = aObj->data();
931       if (!aObjData->isValid())
932         aObj->setDisplayed(false);
933     }
934   }
935   else {
936     // Hide all sketcher sub-Objects
937     for (int i = 0; i < myCurrentSketch->numberOfSubs(); i++) {
938       FeaturePtr aFeature = myCurrentSketch->subFeature(i);
939       std::list<ResultPtr> aResults = aFeature->results();
940       std::list<ResultPtr>::const_iterator aIt;
941       for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
942         (*aIt)->setDisplayed(false);
943       }
944       aFeature->setDisplayed(false);
945     }
946     // Display sketcher result
947     std::list<ResultPtr> aResults = myCurrentSketch->results();
948     std::list<ResultPtr>::const_iterator aIt;
949     Events_Loop* aLoop = Events_Loop::loop();
950     static Events_ID aDispEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
951
952     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
953                                                                            (theOperation);
954     for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
955       if (!aFOperation->isDisplayedOnStart(*aIt)) {
956         (*aIt)->setDisplayed(true);
957         // this display event is needed because sketch already may have "displayed" state,
958         // but not displayed while it is still active (issue 613, abort of existing sketch)
959         ModelAPI_EventCreator::get()->sendUpdated(*aIt, aDispEvent);
960       }
961     }
962     if (!aFOperation->isDisplayedOnStart(myCurrentSketch))
963       myCurrentSketch->setDisplayed(true);
964     
965     myCurrentSketch = CompositeFeaturePtr();
966
967     myModule->workshop()->viewer()->removeSelectionFilter(myCirclePointFilter);
968     myModule->workshop()->viewer()->removeSelectionFilter(myPlaneFilter);
969
970     Events_Loop::loop()->flush(aDispEvent);
971   }
972   // restore the module selection modes, which were changed on startSketch
973   aConnector->activateModuleSelectionModes();
974   aConnector->workshop()->displayer()->activateTrihedron(false);
975 }
976
977 void PartSet_SketcherMgr::startNestedSketch(ModuleBase_Operation* theOperation)
978 {
979   if (canChangeCursor(theOperation) && myIsMouseOverWindow) {
980     QCursor* aCurrentCursor = QApplication::overrideCursor();
981     if (!aCurrentCursor || aCurrentCursor->shape() != Qt::CrossCursor) {
982       QApplication::setOverrideCursor(QCursor(Qt::CrossCursor));
983 #ifdef DEBUG_CURSOR
984       qDebug("startNestedSketch() : Qt::CrossCursor");
985 #endif
986     }
987   }
988 }
989
990 void PartSet_SketcherMgr::stopNestedSketch(ModuleBase_Operation* theOperation)
991 {
992   myIsMouseOverViewProcessed = true;
993   operationMgr()->onValidateOperation();
994   if (canChangeCursor(theOperation)) {
995     QApplication::restoreOverrideCursor();
996 #ifdef DEBUG_CURSOR
997     qDebug("stopNestedSketch() : None");
998 #endif
999   }
1000 }
1001
1002 void PartSet_SketcherMgr::commitNestedSketch(ModuleBase_Operation* theOperation)
1003 {
1004   if (isNestedCreateOperation(theOperation)) {
1005     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1006                                                                              (theOperation);
1007     if (aFOperation) {
1008       FeaturePtr aFeature = aFOperation->feature();
1009       // it is necessary to check the the feature data validity because
1010       // some kind of features are removed by an operation commit(the macro state of a feature)
1011       if (aFeature.get() && aFeature->data()->isValid()) {
1012         visualizeFeature(aFeature, aFOperation->isEditOperation(), true);
1013       }
1014     }
1015   }
1016 }
1017
1018 void PartSet_SketcherMgr::activatePlaneFilter(const bool& toActivate)
1019 {
1020   if (toActivate)
1021     myModule->workshop()->viewer()->addSelectionFilter(myPlaneFilter);
1022   else
1023     myModule->workshop()->viewer()->removeSelectionFilter(myPlaneFilter);
1024 }
1025
1026 bool PartSet_SketcherMgr::operationActivatedByPreselection()
1027 {
1028   bool isOperationStopped = false;
1029   ModuleBase_Operation* anOperation = getCurrentOperation();
1030   if(anOperation && PartSet_SketcherMgr::isNestedSketchOperation(anOperation)) {
1031     // Set final definitions if they are necessary
1032     //propertyPanelDefined(aOperation);
1033     /// Commit sketcher operations automatically
1034     /// distance operation are able to show popup editor to modify the distance value
1035     /// after entering the value, the operation should be committed/aborted(by Esc key)
1036     bool aCanCommitOperation = true;
1037     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1038                                                                             (anOperation);
1039     if (aFOperation && PartSet_SketcherMgr::isDistanceOperation(aFOperation))
1040       aCanCommitOperation = setDistanceValueByPreselection(anOperation, myModule->workshop());
1041
1042     if (aCanCommitOperation)
1043       isOperationStopped = anOperation->commit();
1044     else {
1045       anOperation->abort();
1046       isOperationStopped = true;
1047     }
1048   }
1049   return isOperationStopped;
1050 }
1051
1052 bool PartSet_SketcherMgr::canUndo() const
1053 {
1054   return isNestedCreateOperation(getCurrentOperation());
1055 }
1056
1057 bool PartSet_SketcherMgr::canRedo() const
1058 {
1059   return isNestedCreateOperation(getCurrentOperation());
1060 }
1061
1062 bool PartSet_SketcherMgr::canEraseObject(const ObjectPtr& theObject) const
1063 {
1064   bool aCanErase = true;
1065   // when the sketch operation is active, results of sketch sub-feature can not be hidden
1066   if (myCurrentSketch.get()) {
1067     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
1068     if (aResult.get()) {
1069       // Display sketcher objects
1070       for (int i = 0; i < myCurrentSketch->numberOfSubs() && aCanErase; i++) {
1071
1072         FeaturePtr aFeature = myCurrentSketch->subFeature(i);
1073         std::list<ResultPtr> aResults = aFeature->results();
1074         std::list<ResultPtr>::const_iterator anIt;
1075         for (anIt = aResults.begin(); anIt != aResults.end() && aCanErase; ++anIt) {
1076           aCanErase = *anIt != aResult;
1077         }
1078       }
1079     }
1080   }
1081   return aCanErase;
1082 }
1083
1084 bool PartSet_SketcherMgr::canDisplayObject(const ObjectPtr& theObject) const
1085 {
1086   bool aCanDisplay = true;
1087
1088   bool aHasActiveSketch = activeSketch().get() != NULL;
1089   if (aHasActiveSketch) {
1090     // 1. the sketch feature should not be displayed during the sketch active operation
1091     // it is hidden by a sketch operation start and shown by a sketch stop, just the sketch 
1092     // nested features can be visualized
1093     FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
1094     if (aFeature.get() != NULL && aFeature == activeSketch()) {
1095       aCanDisplay = false;
1096     }
1097   }
1098   else { // there are no an active sketch
1099     // 2. sketch sub-features should not be visualized if the sketch operation is not active
1100     FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
1101     if (aFeature.get() != NULL) {
1102       std::shared_ptr<SketchPlugin_Feature> aSketchFeature =
1103                               std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
1104       if (aSketchFeature.get()) {
1105         aCanDisplay = false;
1106       }
1107     }
1108   }
1109
1110   // 3. the method should not filter the objects, which are not related to the current operation.
1111   // The object is filtered just if it is a current operation feature or this feature result
1112   bool isObjectFound = false;
1113   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1114                                                                (getCurrentOperation());
1115   if (aFOperation) {
1116     FeaturePtr aFeature = aFOperation->feature();
1117     if (aFeature.get()) {
1118       std::list<ResultPtr> aResults = aFeature->results();
1119       if (theObject == aFeature)
1120         isObjectFound = true;
1121       else {
1122         std::list<ResultPtr>::const_iterator anIt = aResults.begin(), aLast = aResults.end();
1123         for (; anIt != aLast && !isObjectFound; anIt++) {
1124           isObjectFound = *anIt == theObject;
1125         }
1126       }
1127     }
1128   }
1129   if (isObjectFound) {
1130     // 4. For created nested feature operation do not display the created feature if
1131     // the mouse curstor leaves the OCC window.
1132     // The correction cases, which ignores this condition:
1133     // a. the property panel values modification
1134     // b. the popup menu activated
1135     // c. widget editor control
1136     #ifndef DEBUG_DO_NOT_BY_ENTER
1137     if (aCanDisplay && isNestedCreateOperation(getCurrentOperation())) {
1138       ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
1139       ModuleBase_WidgetEditor* anEditorWdg = anActiveWidget ? dynamic_cast<ModuleBase_WidgetEditor*>(anActiveWidget) : 0;
1140       // the active widget editor should not influence here. The presentation should be visible always
1141       // when this widget is active.
1142       if (!anEditorWdg && !myIsPopupMenuActive) {
1143         // during a nested create operation, the feature is redisplayed only if the mouse over view
1144         // of there was a value modified in the property panel after the mouse left the view
1145         aCanDisplay = canDisplayCurrentCreatedFeature();
1146       }
1147     }
1148     #endif
1149   }
1150
1151   // checks the sketcher constraints visibility according to active sketch check box states
1152   if (aCanDisplay) {
1153     bool aProcessed = false;
1154     FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
1155     if (aFeature.get()) {
1156       bool aConstraintDisplayed = canDisplayConstraint(aFeature, PartSet_Tools::Any, aProcessed);
1157       if (aProcessed)
1158         aCanDisplay = aConstraintDisplayed;
1159     }
1160   }
1161
1162   return aCanDisplay;
1163 }
1164
1165 bool PartSet_SketcherMgr::canDisplayConstraint(const FeaturePtr& theFeature,
1166                                              const PartSet_Tools::ConstraintVisibleState& theState,
1167                                              bool& isProcessed) const
1168 {
1169   bool aSwitchedOn = true;
1170
1171   const QStringList& aConstrIds = constraintsIdList();
1172
1173   std::string aKind = theFeature->getKind();
1174   if (aConstrIds.contains(QString(aKind.c_str()))) {
1175     bool isTypedConstraint = false;
1176
1177     switch (theState) {
1178       case PartSet_Tools::Dimensional: {
1179         bool isDistance = isDistanceKind(aKind);
1180         if (isDistance) {
1181           isProcessed = true;
1182           aSwitchedOn = myIsConstraintsShown[theState];
1183         }
1184       }
1185       break;
1186       case PartSet_Tools::Geometrical: {
1187         bool isGeometrical = !isDistanceKind(aKind);
1188         if (isGeometrical) {
1189           isProcessed = true;
1190           aSwitchedOn = myIsConstraintsShown[theState];
1191         }
1192       }
1193       break;
1194       case PartSet_Tools::Any: {
1195         isProcessed = true;
1196         bool isDistance = isDistanceKind(aKind);
1197         if (isDistance)
1198           aSwitchedOn = myIsConstraintsShown[PartSet_Tools::Dimensional];
1199         else
1200           aSwitchedOn = myIsConstraintsShown[PartSet_Tools::Geometrical];
1201       }
1202       break;
1203     default:
1204       break;
1205     }
1206   }
1207   return aSwitchedOn;
1208 }
1209
1210 void PartSet_SketcherMgr::processHiddenObject(const std::list<ObjectPtr>& theObjects)
1211 {
1212   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1213                                                                            (getCurrentOperation());
1214   if (aFOperation && myCurrentSketch.get()) {
1215     // find results of the current operation
1216     // these results should not be proposed to be deleted
1217     FeaturePtr anOperationFeature = aFOperation->feature();
1218     std::list<ResultPtr> anOperationResultList = anOperationFeature->results();
1219     std::set<ResultPtr> anOperationResults;
1220     std::list<ResultPtr>::const_iterator aRIt = anOperationResultList.begin(),
1221                                         aRLast = anOperationResultList.end();
1222     for (; aRIt != aRLast; aRIt++)
1223       anOperationResults.insert(*aRIt);
1224
1225     std::set<FeaturePtr> anObjectsToBeDeleted;
1226     QStringList anObjectsToBeDeletedNames;
1227     std::list<ObjectPtr>::const_iterator anIt = theObjects.begin(), aLast = theObjects.end();
1228     for (; anIt != aLast; anIt++) {
1229       ObjectPtr anObject = *anIt;
1230       bool aCanErase = true;
1231       // when the sketch operation is active, results of sketch sub-feature can not be hidden
1232       ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
1233       // the result is found between current feature results
1234       if (anOperationResults.find(aResult) != anOperationResults.end())
1235         continue;
1236
1237       if (aResult.get()) {
1238         // Display sketcher objects
1239         for (int i = 0; i < myCurrentSketch->numberOfSubs() && aCanErase; i++) {
1240           FeaturePtr aFeature = myCurrentSketch->subFeature(i);
1241           std::list<ResultPtr> aResults = aFeature->results();
1242           std::list<ResultPtr>::const_iterator anIt;
1243           for (anIt = aResults.begin(); anIt != aResults.end() && aCanErase; ++anIt) {
1244             aCanErase = *anIt != aResult;
1245           }
1246         }
1247       }
1248       if (!aCanErase) {
1249         FeaturePtr aFeature = ModelAPI_Feature::feature(anObject);
1250         if (aFeature.get() && anObjectsToBeDeleted.find(aFeature) == anObjectsToBeDeleted.end()) {
1251           anObjectsToBeDeleted.insert(aFeature);
1252           anObjectsToBeDeletedNames.append(aFeature->name().c_str());
1253         }
1254       }
1255     }
1256     if (!anObjectsToBeDeleted.empty()) {
1257       QString aFeatureNames = anObjectsToBeDeletedNames.join(", ");
1258       QString aMessage = tr("The following features have incorrect presentation and \
1259 will be hidden: %1. Would you like to delete them?")
1260                          .arg(aFeatureNames);
1261       int anAnswer = QMessageBox::question(qApp->activeWindow(), tr("Features hide"),
1262                                            aMessage, QMessageBox::Ok | QMessageBox::Cancel,
1263                                            QMessageBox::Cancel);
1264       if (anAnswer == QMessageBox::Ok) {
1265         QObjectPtrList anObjects;
1266         std::set<FeaturePtr>::const_iterator anIt = anObjectsToBeDeleted.begin(),
1267                                              aLast = anObjectsToBeDeleted.end();
1268         for (; anIt != aLast; anIt++)
1269           anObjects.append(*anIt);
1270         SessionPtr aMgr = ModelAPI_Session::get();
1271         DocumentPtr aDoc = aMgr->activeDocument();
1272         bool aIsOp = aMgr->isOperation();
1273         if (!aIsOp)
1274           aMgr->startOperation();
1275         workshop()->deleteFeatures(anObjects);
1276         //static Events_ID aDeletedEvent = Events_Loop::eventByName(EVENT_OBJECT_DELETED);
1277         //static Events_ID aRedispEvent = Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY);
1278         //Events_Loop::loop()->flush(aDeletedEvent);
1279         //Events_Loop::loop()->flush(aRedispEvent);
1280
1281         if (!aIsOp)
1282           aMgr->finishOperation();
1283       }
1284     }
1285   }
1286 }
1287
1288 bool PartSet_SketcherMgr::canDisplayCurrentCreatedFeature() const
1289 {
1290   bool aCanDisplay = myIsMouseOverWindow;
1291   if (!aCanDisplay) {
1292     ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
1293     if (anActiveWidget)
1294       aCanDisplay = anActiveWidget->getValueState() == ModuleBase_ModelWidget::Stored;
1295   }
1296   return aCanDisplay;
1297 }
1298
1299 bool PartSet_SketcherMgr::canChangeCursor(ModuleBase_Operation* theOperation) const
1300 {
1301   return isNestedCreateOperation(theOperation) ||
1302          myModule->sketchReentranceMgr()->isInternalEditActive();
1303 }
1304
1305 const QMap<PartSet_Tools::ConstraintVisibleState, bool>& PartSet_SketcherMgr::showConstraintStates()
1306 {
1307   return myIsConstraintsShown;
1308 }
1309
1310 bool PartSet_SketcherMgr::isObjectOfSketch(const ObjectPtr& theObject) const
1311 {
1312   bool isFoundObject = false;
1313
1314   FeaturePtr anObjectFeature = ModelAPI_Feature::feature(theObject);
1315   if (anObjectFeature.get()) {
1316     int aSize = myCurrentSketch->numberOfSubs();
1317     for (int i = 0; i < myCurrentSketch->numberOfSubs() && !isFoundObject; i++) {
1318       FeaturePtr aCurrentFeature = myCurrentSketch->subFeature(i);
1319       isFoundObject = myCurrentSketch->subFeature(i) == anObjectFeature;
1320     }
1321   }
1322   return isFoundObject;
1323 }
1324
1325 void PartSet_SketcherMgr::onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>& thePln)
1326 {
1327   if (myPlaneFilter.IsNull()) 
1328    myPlaneFilter = new ModuleBase_ShapeInPlaneFilter();
1329
1330   myPlaneFilter->setPlane(thePln);
1331 }
1332
1333 bool PartSet_SketcherMgr::setDistanceValueByPreselection(ModuleBase_Operation* theOperation,
1334                                                          ModuleBase_IWorkshop* theWorkshop)
1335 {
1336   bool isValueAccepted = false;
1337
1338   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1339                                                                               (theOperation);
1340   FeaturePtr aFeature = aFOperation->feature();
1341   // editor is shown only if all attribute references are filled by preseletion
1342   bool anAllRefAttrInitialized = true;
1343
1344   std::list<AttributePtr> aRefAttrs = aFeature->data()->attributes(
1345                                               ModelAPI_AttributeRefAttr::typeId());
1346   std::list<AttributePtr>::const_iterator anIt = aRefAttrs.begin(), aLast = aRefAttrs.end();
1347   for (; anIt != aLast && anAllRefAttrInitialized; anIt++) {
1348     anAllRefAttrInitialized = (*anIt)->isInitialized();
1349   }
1350   if (anAllRefAttrInitialized) {
1351     // Activate dimension value editing on double click
1352     ModuleBase_IPropertyPanel* aPanel = aFOperation->propertyPanel();
1353     QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
1354     // Find corresponded widget to activate value editing
1355     foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
1356       if (aWgt->attributeID() == "ConstraintValue") {
1357         // the featue should be displayed in order to find the AIS text position,
1358         // the place where the editor will be shown
1359         aFeature->setDisplayed(true);
1360         /// the execute is necessary to perform in the feature compute for flyout position
1361         aFeature->execute();
1362
1363         Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
1364         Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1365
1366         PartSet_WidgetEditor* anEditor = dynamic_cast<PartSet_WidgetEditor*>(aWgt);
1367         if (anEditor) {
1368           int aX = 0, anY = 0;
1369
1370           XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(theWorkshop);
1371           XGUI_Displayer* aDisplayer = aWorkshop->displayer();
1372           AISObjectPtr anAIS = aDisplayer->getAISObject(aFeature);
1373           Handle(AIS_InteractiveObject) anAISIO;
1374           if (anAIS.get() != NULL) {
1375             anAISIO = anAIS->impl<Handle(AIS_InteractiveObject)>();
1376           }
1377           if (anAIS.get() != NULL) {
1378             Handle(AIS_InteractiveObject) anAISIO = anAIS->impl<Handle(AIS_InteractiveObject)>();
1379
1380             if (!anAISIO.IsNull()) {
1381               Handle(AIS_Dimension) aDim = Handle(AIS_Dimension)::DownCast(anAISIO);
1382               if (!aDim.IsNull()) {
1383                 gp_Pnt aPosition = aDim->GetTextPosition();
1384
1385                 ModuleBase_IViewer* aViewer = aWorkshop->viewer();
1386                 Handle(V3d_View) aView = aViewer->activeView();
1387                 int aCX, aCY;
1388                 aView->Convert(aPosition.X(), aPosition.Y(), aPosition.Z(), aCX, aCY);
1389
1390                 QWidget* aViewPort = aViewer->activeViewPort();
1391                 QPoint aGlPoint = aViewPort->mapToGlobal(QPoint(aCX, aCY));
1392                 aX = aGlPoint.x();
1393                 anY = aGlPoint.y();
1394               }
1395             }
1396             anEditor->setCursorPosition(aX, anY);
1397             isValueAccepted = anEditor->showPopupEditor(false);
1398           }
1399         }
1400       }
1401     }
1402   }
1403   return isValueAccepted;
1404 }
1405
1406 void PartSet_SketcherMgr::getCurrentSelection(const FeaturePtr& theFeature,
1407                                               const FeaturePtr& theSketch,
1408                                               ModuleBase_IWorkshop* theWorkshop,
1409                                               FeatureToSelectionMap& theSelection)
1410 {
1411   if (theFeature.get() == NULL)
1412     return;
1413
1414   std::set<AttributePtr> aSelectedAttributes;
1415   std::set<ResultPtr> aSelectedResults;
1416
1417   ModuleBase_IViewer* aViewer = theWorkshop->viewer();
1418   Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
1419   if (!aContext.IsNull()) {
1420     XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWorkshop);
1421     XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
1422
1423     std::list<ResultPtr> aResults = theFeature->results();
1424     std::list<ResultPtr>::const_iterator aIt;
1425     for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt)
1426     {
1427       ResultPtr aResult = *aIt;
1428       AISObjectPtr aAISObj = aDisplayer->getAISObject(aResult);
1429       if (aAISObj.get() == NULL)
1430         continue;
1431       Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
1432       for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected())
1433       {
1434         Handle(SelectMgr_EntityOwner) anOwner = aContext->SelectedOwner();
1435         if (anOwner->Selectable() != anAISIO)
1436           continue;
1437         getAttributesOrResults(anOwner, theFeature, theSketch, aResult,
1438                                aSelectedAttributes, aSelectedResults);
1439       }
1440       for (aContext->InitDetected(); aContext->MoreDetected(); aContext->NextDetected()) {
1441         Handle(SelectMgr_EntityOwner) anOwner = aContext->DetectedOwner();
1442         if (anOwner.IsNull())
1443           continue;
1444         if (anOwner->Selectable() != anAISIO)
1445           continue;
1446         getAttributesOrResults(anOwner, theFeature, theSketch, aResult,
1447                                aSelectedAttributes, aSelectedResults);
1448       }
1449     }
1450   }
1451   theSelection[theFeature] = std::make_pair(aSelectedAttributes, aSelectedResults);
1452 }
1453
1454 void PartSet_SketcherMgr::getSelectionOwners(const FeaturePtr& theFeature,
1455                                              const FeaturePtr& theSketch,
1456                                              ModuleBase_IWorkshop* theWorkshop,
1457                                              const FeatureToSelectionMap& theSelection,
1458                                              SelectMgr_IndexedMapOfOwner& theOwnersToSelect)
1459 {
1460   if (theFeature.get() == NULL)
1461     return;
1462
1463   FeatureToSelectionMap::const_iterator anIt = theSelection.find(theFeature);
1464   std::set<AttributePtr> aSelectedAttributes = anIt.value().first;
1465   std::set<ResultPtr> aSelectedResults = anIt.value().second;
1466
1467   ModuleBase_IViewer* aViewer = theWorkshop->viewer();
1468
1469   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWorkshop);
1470   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
1471
1472   // 1. found the feature's owners. Check the AIS objects of the constructions
1473   AISObjectPtr aAISObj = aDisplayer->getAISObject(theFeature);
1474   if (aAISObj.get() != NULL && aSelectedAttributes.empty() && aSelectedResults.empty()) {
1475     Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
1476
1477     SelectMgr_IndexedMapOfOwner aSelectedOwners;
1478     aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
1479     for  (Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++) {
1480       Handle(SelectMgr_EntityOwner) anOwner = aSelectedOwners(i);
1481       if (!anOwner.IsNull())
1482         theOwnersToSelect.Add(anOwner);
1483     }
1484   }
1485
1486   // 2. found the feature results's owners
1487   std::list<ResultPtr> aResults = theFeature->results();
1488   std::list<ResultPtr>::const_iterator aIt;
1489   for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt)
1490   {
1491     ResultPtr aResult = *aIt;
1492     AISObjectPtr aAISObj = aDisplayer->getAISObject(aResult);
1493     if (aAISObj.get() == NULL)
1494       continue; 
1495     Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
1496
1497     SelectMgr_IndexedMapOfOwner aSelectedOwners;  
1498     aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
1499     for  ( Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++ ) {
1500       Handle(StdSelect_BRepOwner) anOwner = Handle(StdSelect_BRepOwner)::DownCast(aSelectedOwners(i));
1501       if ( anOwner.IsNull() || !anOwner->HasShape() )
1502         continue;
1503       const TopoDS_Shape& aShape = anOwner->Shape();
1504       TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
1505       if (aShapeType == TopAbs_VERTEX) {
1506         AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(theFeature, aShape, theSketch);
1507         if (aPntAttr.get() != NULL &&
1508             aSelectedAttributes.find(aPntAttr) != aSelectedAttributes.end()) {
1509           theOwnersToSelect.Add(anOwner);
1510         }
1511       }
1512       else if (aShapeType == TopAbs_EDGE) {
1513         bool aFound = aSelectedResults.find(aResult) != aSelectedResults.end();
1514         if (aSelectedResults.find(aResult) != aSelectedResults.end() &&
1515             theOwnersToSelect.FindIndex(anOwner) <= 0)
1516           theOwnersToSelect.Add(anOwner);
1517       }
1518     }
1519   }
1520 }
1521
1522 void PartSet_SketcherMgr::connectToPropertyPanel(ModuleBase_ModelWidget* theWidget, const bool isToConnect)
1523 {
1524   if (isToConnect) {
1525     connect(theWidget, SIGNAL(beforeValuesChanged()),
1526             this, SLOT(onBeforeValuesChangedInPropertyPanel()));
1527     connect(theWidget, SIGNAL(afterValuesChanged()),
1528             this, SLOT(onAfterValuesChangedInPropertyPanel()));
1529   }
1530   else {
1531     disconnect(theWidget, SIGNAL(beforeValuesChanged()),
1532                 this, SLOT(onBeforeValuesChangedInPropertyPanel()));
1533     disconnect(theWidget, SIGNAL(afterValuesChanged()),
1534                 this, SLOT(onAfterValuesChangedInPropertyPanel()));
1535   }
1536 }
1537
1538 void PartSet_SketcherMgr::widgetStateChanged(int thePreviousState)
1539 {
1540   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1541                                                                            (getCurrentOperation());
1542   if (aFOperation) {
1543     if (PartSet_SketcherMgr::isSketchOperation(aFOperation) ||
1544         PartSet_SketcherMgr::isNestedSketchOperation(aFOperation) &&
1545         thePreviousState == ModuleBase_ModelWidget::ModifiedInPP) {
1546       FeaturePtr aFeature = aFOperation->feature();
1547       visualizeFeature(aFeature, aFOperation->isEditOperation(), canDisplayObject(aFeature));
1548     }
1549   }
1550 }
1551
1552 void PartSet_SketcherMgr::customizePresentation(const ObjectPtr& theObject)
1553 {
1554   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
1555                                                                            (getCurrentOperation());
1556   if (aFOperation && (PartSet_SketcherMgr::isSketchOperation(aFOperation) ||
1557                       PartSet_SketcherMgr::isNestedSketchOperation(aFOperation)))
1558     SketcherPrs_Tools::sendExpressionShownEvent(myIsConstraintsShown[PartSet_Tools::Expressions]);
1559 }
1560
1561 ModuleBase_Operation* PartSet_SketcherMgr::getCurrentOperation() const
1562 {
1563   return myModule->workshop()->currentOperation();
1564 }
1565
1566 //**************************************************************
1567 ModuleBase_ModelWidget* PartSet_SketcherMgr::getActiveWidget() const
1568 {
1569   ModuleBase_ModelWidget* aWidget = 0;
1570   ModuleBase_Operation* anOperation = getCurrentOperation();
1571   if (anOperation) {
1572     ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
1573     if (aPanel)
1574       aWidget = aPanel->activeWidget();
1575   }
1576   return aWidget;
1577 }
1578
1579 void PartSet_SketcherMgr::visualizeFeature(const FeaturePtr& theFeature,
1580                                            const bool isEditOperation,
1581                                            const bool isToDisplay,
1582                                            const bool isFlushRedisplay)
1583 {
1584   #ifdef DEBUG_DO_NOT_BY_ENTER
1585   return;
1586   #endif
1587
1588   if (isEditOperation || !theFeature.get())
1589     return;
1590
1591   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
1592   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
1593
1594   // 1. change visibility of the object itself, here the presentable object is processed,
1595   // e.g. constraints features
1596   //FeaturePtr aFeature = aFOperation->feature();
1597   std::list<ResultPtr> aResults = theFeature->results();
1598   if (isToDisplay)
1599     theFeature->setDisplayed(true);
1600   else
1601     theFeature->setDisplayed(false);
1602
1603   // change visibility of the object results, e.g. non-constraint features
1604   std::list<ResultPtr>::const_iterator aIt;
1605   for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
1606     if (isToDisplay) {
1607       (*aIt)->setDisplayed(true);
1608     }
1609     else {
1610       (*aIt)->setDisplayed(false);
1611     }
1612   }
1613   if (isFlushRedisplay)
1614     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1615 }
1616
1617 void PartSet_SketcherMgr::storeSelection(const bool theHighlightedOnly)
1618 {
1619   if (!myCurrentSketch.get())
1620     return;
1621
1622   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
1623   ModuleBase_ISelection* aSelect = aWorkshop->selection();
1624   QList<ModuleBase_ViewerPrs> aHighlighted = aSelect->getHighlighted();
1625
1626   QList<FeaturePtr> aFeatureList;
1627   if (theHighlightedOnly) {
1628     fillFeatureList(aHighlighted, myCurrentSketch, aFeatureList);
1629   }
1630   else {
1631     fillFeatureList(aHighlighted, myCurrentSketch, aFeatureList);
1632
1633     QList<ModuleBase_ViewerPrs> aSelected = aSelect->getSelected(ModuleBase_ISelection::AllControls);
1634     fillFeatureList(aSelected, myCurrentSketch, aFeatureList);
1635   }
1636
1637   // 1. it is necessary to save current selection in order to restore it after the features moving
1638   myCurrentSelection.clear();
1639   QList<FeaturePtr>::const_iterator anIt = aFeatureList.begin(), aLast = aFeatureList.end();
1640   for (; anIt != aLast; anIt++) {
1641     getCurrentSelection(*anIt, myCurrentSketch, aWorkshop, myCurrentSelection);
1642   }
1643   //qDebug(QString("  storeSelection: %1").arg(myCurrentSelection.size()).toStdString().c_str());
1644 }
1645
1646 void PartSet_SketcherMgr::restoreSelection()
1647 {
1648   if (!myCurrentSketch.get())
1649     return;
1650
1651   //qDebug(QString("restoreSelection: %1").arg(myCurrentSelection.size()).toStdString().c_str());
1652   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
1653   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
1654   FeatureToSelectionMap::const_iterator aSIt = myCurrentSelection.begin(),
1655                                         aSLast = myCurrentSelection.end();
1656   SelectMgr_IndexedMapOfOwner anOwnersToSelect;
1657   for (; aSIt != aSLast; aSIt++) {
1658     anOwnersToSelect.Clear();
1659     getSelectionOwners(aSIt.key(), myCurrentSketch, aWorkshop, myCurrentSelection,
1660                         anOwnersToSelect);
1661     aConnector->workshop()->selector()->setSelectedOwners(anOwnersToSelect, false);
1662   }
1663 }
1664
1665 void PartSet_SketcherMgr::onShowConstraintsToggle(int theType, bool theState)
1666 {
1667   PartSet_Tools::ConstraintVisibleState aType = (PartSet_Tools::ConstraintVisibleState)theType;
1668
1669   updateBySketchParameters(aType, theState);
1670 }
1671
1672 void PartSet_SketcherMgr::updateBySketchParameters(
1673                                    const PartSet_Tools::ConstraintVisibleState& theType,
1674                                    bool theState)
1675 {
1676   if (myCurrentSketch.get() == NULL)
1677     return;
1678
1679   bool aPrevState = myIsConstraintsShown[theType];
1680   myIsConstraintsShown[theType] = theState;
1681
1682   switch (theType) {
1683     case PartSet_Tools::Geometrical:
1684     case PartSet_Tools::Dimensional: {
1685       if (aPrevState != theState) {
1686         ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
1687         XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
1688         for (int i = 0; i < myCurrentSketch->numberOfSubs(); i++) {
1689           FeaturePtr aSubFeature = myCurrentSketch->subFeature(i);
1690           bool aProcessed = false;
1691           bool aConstraintDisplayed = canDisplayConstraint(aSubFeature, theType, aProcessed);
1692           if (aProcessed)
1693             aSubFeature->setDisplayed(aConstraintDisplayed);
1694         }
1695         Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1696       }
1697     }
1698     break;
1699     case PartSet_Tools::Expressions: {
1700       /// call all sketch features redisplay, the expression state will be corrected in customize
1701       /// of distance presentation
1702       Events_ID anEventId = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
1703       PartSet_Tools::sendSubFeaturesEvent(myCurrentSketch, anEventId);
1704     }
1705     break;
1706   }
1707 }
1708
1709 XGUI_Workshop* PartSet_SketcherMgr::workshop() const
1710 {
1711   ModuleBase_IWorkshop* anIWorkshop = myModule->workshop();
1712   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(anIWorkshop);
1713   return aConnector->workshop();
1714 }
1715
1716 XGUI_OperationMgr* PartSet_SketcherMgr::operationMgr() const
1717 {
1718   return workshop()->operationMgr();
1719 }
1720