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[modules/shaper.git] / src / XGUI / XGUI_Workshop.cpp
1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
2
3 //#include "XGUI_Constants.h"
4 #include "XGUI_Workshop.h"
5
6 #include "XGUI_ActionsMgr.h"
7 #include "XGUI_ColorDialog.h"
8 #include "XGUI_ContextMenuMgr.h"
9 #include "XGUI_Displayer.h"
10 #include "XGUI_ErrorDialog.h"
11 #include "XGUI_ErrorMgr.h"
12 #include "XGUI_ModuleConnector.h"
13 #include "XGUI_ObjectsBrowser.h"
14 #include "XGUI_OperationMgr.h"
15 #include "XGUI_PropertyPanel.h"
16 #include "XGUI_SalomeConnector.h"
17 #include "XGUI_Selection.h"
18 #include "XGUI_SelectionMgr.h"
19 #include "XGUI_Tools.h"
20 #include "XGUI_ViewerProxy.h"
21 #include "XGUI_WorkshopListener.h"
22 #include <XGUI_CustomPrs.h>
23 #include <XGUI_HistoryMenu.h>
24 #include <XGUI_QtEvents.h>
25
26 #ifndef HAVE_SALOME
27 #include <AppElements_Button.h>
28 #include <AppElements_Command.h>
29 #include <AppElements_MainMenu.h>
30 #include <AppElements_MainWindow.h>
31 #include <AppElements_MenuGroupPanel.h>
32 #include <AppElements_Viewer.h>
33 #include <AppElements_Workbench.h>
34 #endif
35
36 #include <ModelAPI_AttributeDocRef.h>
37 #include <ModelAPI_AttributeIntArray.h>
38 #include <ModelAPI_Data.h>
39 #include <ModelAPI_Events.h>
40 #include <ModelAPI_Feature.h>
41 #include <ModelAPI_Object.h>
42 #include <ModelAPI_ResultBody.h>
43 #include <ModelAPI_ResultConstruction.h>
44 #include <ModelAPI_ResultGroup.h>
45 #include <ModelAPI_ResultParameter.h>
46 #include <ModelAPI_Session.h>
47 #include <ModelAPI_Validator.h>
48 #include <ModelAPI_ResultCompSolid.h>
49 #include <ModelAPI_Tools.h>
50
51 //#include <PartSetPlugin_Part.h>
52
53 #include <Events_Loop.h>
54 #include <Events_Error.h>
55 #include <Events_LongOp.h>
56
57 #include <ModuleBase_FilterFactory.h>
58 #include <ModuleBase_IModule.h>
59 #include <ModuleBase_IViewer.h>
60 #include <ModuleBase_Operation.h>
61 #include <ModuleBase_OperationDescription.h>
62 #include <ModuleBase_PageBase.h>
63 #include <ModuleBase_Preferences.h>
64 #include <ModuleBase_SelectionValidator.h>
65 #include <ModuleBase_Tools.h>
66 #include <ModuleBase_WidgetFactory.h>
67 #include <ModuleBase_OperationFeature.h>
68 #include <ModuleBase_OperationAction.h>
69 #include <ModuleBase_PagedContainer.h>
70 #include <ModuleBase_WidgetValidated.h>
71
72 #include <Config_Common.h>
73 #include <Config_FeatureMessage.h>
74 #include <Config_ModuleReader.h>
75 #include <Config_PointerMessage.h>
76 #include <Config_PropManager.h>
77 #include <Config_SelectionFilterMessage.h>
78
79 #include <SUIT_ResourceMgr.h>
80
81 #include <QApplication>
82 #include <QFileDialog>
83 #include <QMessageBox>
84 #include <QMdiSubWindow>
85 #include <QMainWindow>
86 #include <QPushButton>
87 #include <QDockWidget>
88 #include <QLayout>
89 #include <QThread>
90 #include <QObject>
91 #include <QMenu>
92 #include <QToolButton>
93 #include <QAction>
94 #include <QDesktopWidget>
95
96 #include <iterator>
97
98 #ifdef _DEBUG
99 #include <QDebug>
100 #include <iostream>
101 #endif
102
103 #ifdef WIN32
104 #include <windows.h>
105 #else
106 #include <dlfcn.h>
107 #endif
108
109
110 QString XGUI_Workshop::MOVE_TO_END_COMMAND = QObject::tr("Move to the end");
111
112 //#define DEBUG_DELETE
113 //#define DEBUG_FEATURE_NAME
114
115 XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
116     : QObject(),
117       myCurrentDir(QString()),
118       myModule(NULL),
119       mySalomeConnector(theConnector),
120       myPropertyPanel(0),
121       myObjectBrowser(0),
122       myDisplayer(0)
123 {
124 #ifndef HAVE_SALOME
125   myMainWindow = new AppElements_MainWindow();
126
127   SUIT_ResourceMgr* aResMgr = ModuleBase_Preferences::resourceMgr();
128   bool aCloc = aResMgr->booleanValue("language", "locale", true);
129   if (aCloc)
130     QLocale::setDefault( QLocale::c() );
131   else 
132     QLocale::setDefault( QLocale::system() );
133 #endif
134
135   myDisplayer = new XGUI_Displayer(this);
136
137   mySelector = new XGUI_SelectionMgr(this);
138   connect(mySelector, SIGNAL(selectionChanged()), this, SLOT(updateCommandStatus()));
139
140   myOperationMgr = new XGUI_OperationMgr(this, 0);
141   myActionsMgr = new XGUI_ActionsMgr(this);
142   myErrorDlg = new XGUI_ErrorDialog(QApplication::desktop());
143   myContextMenuMgr = new XGUI_ContextMenuMgr(this);
144   connect(myContextMenuMgr, SIGNAL(actionTriggered(const QString&, bool)), this,
145           SLOT(onContextMenuCommand(const QString&, bool)));
146
147   myViewerProxy = new XGUI_ViewerProxy(this);
148   connect(myViewerProxy, SIGNAL(selectionChanged()),
149           myActionsMgr,  SLOT(updateOnViewSelection()));
150
151   myModuleConnector = new XGUI_ModuleConnector(this);
152
153   ModuleBase_IWorkshop* aWorkshop = moduleConnector();
154   myOperationMgr->setWorkshop(aWorkshop);
155
156   myErrorMgr = new XGUI_ErrorMgr(this, aWorkshop);
157   myEventsListener = new XGUI_WorkshopListener(aWorkshop);
158
159   connect(myOperationMgr, SIGNAL(operationStarted(ModuleBase_Operation*)), 
160           SLOT(onOperationStarted(ModuleBase_Operation*)));
161   connect(myOperationMgr, SIGNAL(operationResumed(ModuleBase_Operation*)),
162           SLOT(onOperationResumed(ModuleBase_Operation*)));
163   connect(myOperationMgr, SIGNAL(operationStopped(ModuleBase_Operation*)),
164           SLOT(onOperationStopped(ModuleBase_Operation*)));
165   connect(myOperationMgr, SIGNAL(operationCommitted(ModuleBase_Operation*)), 
166           SLOT(onOperationCommitted(ModuleBase_Operation*)));
167   connect(myOperationMgr, SIGNAL(operationAborted(ModuleBase_Operation*)), 
168           SLOT(onOperationAborted(ModuleBase_Operation*)));
169
170 #ifndef HAVE_SALOME
171   connect(myMainWindow, SIGNAL(exitKeySequence()), SLOT(onExit()));
172   onTrihedronVisibilityChanged(true);
173 #endif
174
175   connect(this, SIGNAL(errorOccurred(const QString&)), myErrorDlg, SLOT(addError(const QString&)));
176   connect(myEventsListener, SIGNAL(errorOccurred(const QString&)),
177           myErrorDlg, SLOT(addError(const QString&)));
178
179   //Config_PropManager::registerProp("Visualization", "object_default_color", "Object color",
180   //                                 Config_Prop::Color, "225,225,225");
181
182   Config_PropManager::registerProp("Visualization", "result_body_color", "Body color",
183                                    Config_Prop::Color, ModelAPI_ResultBody::DEFAULT_COLOR());
184   Config_PropManager::registerProp("Visualization", "result_group_color", "Group color",
185                                    Config_Prop::Color, ModelAPI_ResultGroup::DEFAULT_COLOR());
186   Config_PropManager::registerProp("Visualization", "result_construction_color", "Construction color",
187                                    Config_Prop::Color, ModelAPI_ResultConstruction::DEFAULT_COLOR());
188   Config_PropManager::registerProp("Visualization", "result_part_color", "Part color",
189                                    Config_Prop::Color, ModelAPI_ResultPart::DEFAULT_COLOR());
190 }
191
192 //******************************************************
193 XGUI_Workshop::~XGUI_Workshop(void)
194 {
195   delete myDisplayer;
196 }
197
198 //******************************************************
199 void XGUI_Workshop::startApplication()
200 {
201   initMenu();
202
203   Config_PropManager::registerProp("Plugins", "default_path", "Default Path",
204                                    Config_Prop::Directory, "");
205
206   //Initialize event listening
207   myEventsListener->initializeEventListening();
208
209   registerValidators();
210
211   // Calling of  loadCustomProps before activating module is required
212   // by Config_PropManger to restore user-defined path to plugins
213   ModuleBase_Preferences::loadCustomProps();
214   createModule();
215
216 #ifndef HAVE_SALOME
217   myMainWindow->show();
218   updateCommandStatus();
219 #endif
220   
221   onNew();
222
223   myViewerProxy->connectViewProxy();
224   connect(myViewerProxy, SIGNAL(trihedronVisibilityChanged(bool)),
225           SLOT(onTrihedronVisibilityChanged(bool)));
226
227   emit applicationStarted();
228 }
229
230 void XGUI_Workshop::activateModule()
231 {
232   myModule->activateSelectionFilters();
233
234   connect(myDisplayer, SIGNAL(objectDisplayed(ObjectPtr, AISObjectPtr)),
235     myModule, SLOT(onObjectDisplayed(ObjectPtr, AISObjectPtr)));
236   connect(myDisplayer, SIGNAL(beforeObjectErase(ObjectPtr, AISObjectPtr)),
237     myModule, SLOT(onBeforeObjectErase(ObjectPtr, AISObjectPtr)));
238
239   updateCommandStatus();
240
241   // activate visualized objects in the viewer
242   XGUI_Displayer* aDisplayer = displayer();
243   QObjectPtrList aDisplayed = aDisplayer->displayedObjects();
244   QIntList aModes;
245   module()->activeSelectionModes(aModes);
246   aDisplayer->activateObjects(aModes, aDisplayed);
247   myOperationMgr->activate();
248 }
249
250 void XGUI_Workshop::deactivateModule()
251 {
252   myModule->deactivateSelectionFilters();
253
254   // remove internal displayer filter
255   displayer()->deactivateSelectionFilters();
256
257   disconnect(myDisplayer, SIGNAL(objectDisplayed(ObjectPtr, AISObjectPtr)),
258     myModule, SLOT(onObjectDisplayed(ObjectPtr, AISObjectPtr)));
259   disconnect(myDisplayer, SIGNAL(beforeObjectErase(ObjectPtr, AISObjectPtr)),
260     myModule, SLOT(onBeforeObjectErase(ObjectPtr, AISObjectPtr)));
261
262   XGUI_Displayer* aDisplayer = displayer();
263   QObjectPtrList aDisplayed = aDisplayer->displayedObjects();
264   aDisplayer->deactivateObjects(aDisplayed, true);
265
266   myOperationMgr->deactivate();
267 }
268
269 //******************************************************
270 void XGUI_Workshop::initMenu()
271 {
272   myContextMenuMgr->createActions();
273
274 #ifdef HAVE_SALOME
275   // Create only Undo, Redo commands
276   QAction* aAction = salomeConnector()->addDesktopCommand("UNDO_CMD", tr("Undo"),
277                                                         tr("Undo last command"),
278                                                         QIcon(":pictures/undo.png"),
279                                                         QKeySequence::Undo, false, "MEN_DESK_EDIT");
280   QString aToolBarTitle = tr( "INF_DESK_TOOLBAR_STANDARD" );
281   salomeConnector()->addActionInToolbar( aAction,aToolBarTitle  );
282
283   connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onUndo()));
284   addHistoryMenu(aAction, SIGNAL(updateUndoHistory(const QList<ActionInfo>&)), SLOT(onUndo(int)));
285
286   aAction = salomeConnector()->addDesktopCommand("REDO_CMD", tr("Redo"), tr("Redo last command"),
287                                               QIcon(":pictures/redo.png"), QKeySequence::Redo,
288                                               false, "MEN_DESK_EDIT");
289   salomeConnector()->addActionInToolbar( aAction, aToolBarTitle );
290
291   connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onRedo()));
292   addHistoryMenu(aAction, SIGNAL(updateRedoHistory(const QList<ActionInfo>&)), SLOT(onRedo(int)));
293
294   salomeConnector()->addDesktopMenuSeparator("MEN_DESK_EDIT");
295   //aAction = salomeConnector()->addDesktopCommand("REBUILD_CMD", tr("Rebuild"), tr("Rebuild data objects"),
296   //                                            QIcon(":pictures/rebuild.png"), QKeySequence(),
297   //                                            false, "MEN_DESK_EDIT");
298   //salomeConnector()->addActionInToolbar( aAction, aToolBarTitle );
299
300   //connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onRebuild()));
301   //salomeConnector()->addDesktopMenuSeparator("MEN_DESK_EDIT");
302
303   aAction = salomeConnector()->addDesktopCommand("SAVEAS_CMD", tr("Export native..."), tr("Export the current document into a native file"),
304                                               QIcon(), QKeySequence(),
305                                               false, "MEN_DESK_FILE");
306   connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onSaveAs()));
307
308   aAction = salomeConnector()->addDesktopCommand("OPEN_CMD", tr("Import native..."), tr("Import native file"),
309                                               QIcon(), QKeySequence(),
310                                               false, "MEN_DESK_FILE");
311   connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onOpen()));
312   salomeConnector()->addDesktopMenuSeparator("MEN_DESK_FILE");
313
314 #else
315   // File commands group
316   AppElements_MenuGroupPanel* aGroup = myMainWindow->menuObject()->generalPage();
317
318   AppElements_Command* aCommand;
319
320   aCommand = aGroup->addFeature("SAVE_CMD", tr("Save"), tr("Save the document"),
321                                 QIcon(":pictures/save.png"), QKeySequence::Save);
322   aCommand->connectTo(this, SLOT(onSave()));
323   //aCommand->disable();
324
325   aCommand = aGroup->addFeature("SAVEAS_CMD", tr("Save as..."), tr("Save the document into a file"),
326                                 QIcon(":pictures/save.png"), QKeySequence());
327   aCommand->connectTo(this, SLOT(onSaveAs()));
328
329   QString aUndoId = "UNDO_CMD";
330   aCommand = aGroup->addFeature(aUndoId, tr("Undo"), tr("Undo last command"),
331                                 QIcon(":pictures/undo.png"), QKeySequence::Undo);
332   aCommand->connectTo(this, SLOT(onUndo()));
333   AppElements_Button* aUndoButton = qobject_cast<AppElements_Button*>(aGroup->widget(aUndoId));
334   addHistoryMenu(aUndoButton,
335                  SIGNAL(updateUndoHistory(const QList<ActionInfo>&)),
336                  SLOT(onUndo(int)));
337
338   QString aRedoId = "REDO_CMD";
339   aCommand = aGroup->addFeature(aRedoId, tr("Redo"), tr("Redo last command"),
340                                 QIcon(":pictures/redo.png"), QKeySequence::Redo);
341   aCommand->connectTo(this, SLOT(onRedo()));
342   AppElements_Button* aRedoButton = qobject_cast<AppElements_Button*>(aGroup->widget(aRedoId));
343   addHistoryMenu(aRedoButton,
344                  SIGNAL(updateRedoHistory(const QList<ActionInfo>&)),
345                  SLOT(onRedo(int)));
346
347   //aCommand = aGroup->addFeature("REBUILD_CMD", tr("Rebuild"), tr("Rebuild data objects"),
348   //  QIcon(":pictures/rebuild.png"), QKeySequence());
349   //aCommand->connectTo(this, SLOT(onRebuild()));
350
351   //aCommand->disable();
352
353   aCommand = aGroup->addFeature("OPEN_CMD", tr("Open..."), tr("Open a new document"),
354                                 QIcon(":pictures/open.png"), QKeySequence::Open);
355   aCommand->connectTo(this, SLOT(onOpen()));
356
357   aCommand = aGroup->addFeature("PREF_CMD", tr("Preferences"), tr("Edit preferences"),
358                                 QIcon(":pictures/preferences.png"), QKeySequence::Preferences);
359   aCommand->connectTo(this, SLOT(onPreferences()));
360
361   aCommand = aGroup->addFeature("EXIT_CMD", tr("Exit"), tr("Exit application"),
362                                 QIcon(":pictures/close.png"), QKeySequence::Close);
363   aCommand->connectTo(this, SLOT(onExit()));
364 #endif
365 }
366
367 #ifndef HAVE_SALOME
368 AppElements_Workbench* XGUI_Workshop::addWorkbench(const QString& theName)
369 {
370   AppElements_MainMenu* aMenuBar = myMainWindow->menuObject();
371   return aMenuBar->addWorkbench(theName);
372 }
373 #endif
374
375 //******************************************************
376 QMainWindow* XGUI_Workshop::desktop() const
377 {
378 #ifdef HAVE_SALOME
379   return salomeConnector()->desktop();
380 #else
381   return myMainWindow;
382 #endif
383 }
384
385 //******************************************************
386 void XGUI_Workshop::onStartWaiting()
387 {
388   if (Events_LongOp::isPerformed()) {
389     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
390   }
391 }
392
393 //******************************************************
394 void XGUI_Workshop::onAcceptActionClicked()
395 {
396   QAction* anAction = dynamic_cast<QAction*>(sender());
397   XGUI_OperationMgr* anOperationMgr = operationMgr();
398   if (anOperationMgr) {
399     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
400                                                     (anOperationMgr->currentOperation());
401     if (aFOperation) {
402       //if (errorMgr()->canProcessClick(anAction, aFOperation->feature()))
403       myOperationMgr->onCommitOperation();
404     }
405   }
406 }
407
408 //******************************************************
409 void XGUI_Workshop::deactivateActiveObject(const ObjectPtr& theObject, const bool theUpdateViewer)
410 {
411   if (!myModule->canActivateSelection(theObject)) {
412     if (myDisplayer->isActive(theObject)) {
413       QObjectPtrList anObjects;
414       anObjects.append(theObject);
415       myDisplayer->deactivateObjects(anObjects, theUpdateViewer);
416     }
417   }
418 }
419
420 //******************************************************
421 bool XGUI_Workshop::isFeatureOfNested(const FeaturePtr& theFeature)
422 {
423   bool aHasNested = false;
424   std::string aFeatureKind = theFeature->getKind();
425 #ifdef HAVE_SALOME
426     XGUI_SalomeConnector* aSalomeConnector = salomeConnector();
427     if (aSalomeConnector->isFeatureOfNested(actionsMgr()->action(aFeatureKind.c_str())))
428       aHasNested = true;
429 #else 
430     AppElements_MainMenu* aMenuBar = mainWindow()->menuObject();
431     AppElements_Command* aCommand = aMenuBar->feature(aFeatureKind.c_str());
432     if (aCommand && aCommand->button()->additionalButtonWidget())
433       aHasNested = true;
434 #endif
435   return aHasNested;
436 }
437
438 void XGUI_Workshop::setPropertyPanel(ModuleBase_Operation* theOperation)
439 {
440   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
441   if (!aFOperation)
442     return;
443
444   showPropertyPanel();
445   myPropertyPanel->cleanContent();
446
447   QList<ModuleBase_ModelWidget*> aWidgets;
448   if (!module()->createWidgets(theOperation, aWidgets)) {
449     QString aXmlRepr = aFOperation->getDescription()->xmlRepresentation();
450     ModuleBase_WidgetFactory aFactory(aXmlRepr.toStdString(), myModuleConnector);
451     aFactory.createWidget(myPropertyPanel->contentWidget());
452     aWidgets = aFactory.getModelWidgets();
453   }
454
455   // check compatibility of feature and widgets
456   FeaturePtr aFeature = aFOperation->feature();
457   foreach (ModuleBase_ModelWidget* aWidget, aWidgets) {
458     if (!aWidget->attributeID().empty() && !aFeature->attribute(aWidget->attributeID()).get()) {
459       std::string anErrorMsg = "The feature '" + aFeature->getKind() + "' has no attribute '"
460           + aWidget->attributeID() + "' used by widget '"
461           + aWidget->metaObject()->className() + "'.";
462       Events_Error::send(anErrorMsg);
463       myPropertyPanel->cleanContent();
464       return;
465     }
466   }
467
468   foreach (ModuleBase_ModelWidget* aWidget, aWidgets) {
469     bool isStoreValue = !aFOperation->isEditOperation() &&
470                         !aWidget->getDefaultValue().empty() &&
471                         !aWidget->isComputedDefault();
472     aWidget->setFeature(aFOperation->feature(), isStoreValue);
473     aWidget->enableFocusProcessing();
474   }
475
476   myPropertyPanel->setModelWidgets(aWidgets);
477   aFOperation->setPropertyPanel(myPropertyPanel);
478
479   myModule->propertyPanelDefined(theOperation);
480
481 #ifndef DEBUG_FEATURE_NAME
482   myPropertyPanel->setWindowTitle(theOperation->getDescription()->description());
483 #else
484   std::string aFeatureName = aFeature->name();
485   myPropertyPanel->setWindowTitle(QString("%1: %2").arg(theOperation->getDescription()->description())
486                                                   .arg(aFeatureName.c_str()));
487 #endif
488
489   myErrorMgr->setPropertyPanel(myPropertyPanel);
490 }
491
492 void XGUI_Workshop::connectToPropertyPanel(const bool isToConnect)
493 {
494   XGUI_PropertyPanel* aPropertyPanel = propertyPanel();
495   if (aPropertyPanel) {
496     const QList<ModuleBase_ModelWidget*>& aWidgets = aPropertyPanel->modelWidgets();
497     foreach (ModuleBase_ModelWidget* aWidget, aWidgets) {
498        myModule->connectToPropertyPanel(aWidget, isToConnect);
499        if (isToConnect) {
500         connect(aWidget, SIGNAL(valueStateChanged(int)), this, SLOT(onWidgetStateChanged(int)));
501         connect(aWidget, SIGNAL(valuesChanged()), this, SLOT(onValuesChanged()));
502       }
503       else {
504         disconnect(aWidget, SIGNAL(valueStateChanged(int)), this, SLOT(onWidgetStateChanged(int)));
505         disconnect(aWidget, SIGNAL(valuesChanged()), this, SLOT(onValuesChanged()));
506       }
507     }
508   }
509 }
510
511 //******************************************************
512 void XGUI_Workshop::onOperationStarted(ModuleBase_Operation* theOperation)
513 {
514   setGrantedFeatures(theOperation);
515   myModule->operationStarted(theOperation);
516 }
517
518 //******************************************************
519 void XGUI_Workshop::onOperationResumed(ModuleBase_Operation* theOperation)
520 {
521   setGrantedFeatures(theOperation);
522
523   if (theOperation->getDescription()->hasXmlRepresentation()) {  //!< No need for property panel
524     setPropertyPanel(theOperation);
525     connectToPropertyPanel(true);
526   }
527   updateCommandStatus();
528
529   myModule->operationResumed(theOperation);
530 }
531
532
533 //******************************************************
534 void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
535 {
536   updateCommandStatus();
537
538   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
539                                                                         (theOperation);
540   if (!aFOperation)
541     return;
542
543   ModuleBase_ISelection* aSel = mySelector->selection();
544   QObjectPtrList aObj = aSel->selectedPresentations();
545   //!< No need for property panel
546   hidePropertyPanel();
547   myPropertyPanel->cleanContent();
548
549   connectToPropertyPanel(false);
550   myModule->operationStopped(aFOperation);
551
552   // the deactivated objects of the current operation should be activated back.
553   // They were deactivated on operation start or an object redisplay
554   QObjectPtrList anObjects;
555   FeaturePtr aFeature = aFOperation->feature();
556   if (aFeature.get()) { // feature may be not created (plugin load fail)
557     if (myDisplayer->isVisible(aFeature) && !myDisplayer->isActive(aFeature))
558       anObjects.append(aFeature);
559     std::list<ResultPtr> aResults = aFeature->results();
560     std::list<ResultPtr>::const_iterator aIt;
561     for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
562       ResultPtr anObject = *aIt;
563       if (myDisplayer->isVisible(anObject) && !myDisplayer->isActive(anObject)) {
564         anObjects.append(anObject);
565       }
566     }
567   }
568   QIntList aModes;
569   module()->activeSelectionModes(aModes);
570   myDisplayer->activateObjects(aModes, anObjects);
571 }
572
573
574 void XGUI_Workshop::onOperationCommitted(ModuleBase_Operation* theOperation)
575 {
576   myModule->operationCommitted(theOperation);
577 }
578
579 void XGUI_Workshop::onOperationAborted(ModuleBase_Operation* theOperation)
580 {
581   myModule->operationAborted(theOperation);
582 }
583
584 void XGUI_Workshop::setGrantedFeatures(ModuleBase_Operation* theOperation)
585 {
586   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
587   if (!aFOperation)
588     return;
589
590   QStringList aGrantedIds;
591   if (isSalomeMode())
592     aGrantedIds = mySalomeConnector->nestedActions(theOperation->id());
593   else
594     aGrantedIds = myActionsMgr->nestedCommands(theOperation->id());
595
596   ModuleBase_IModule* aModule = module();
597   if (aModule)
598     aModule->grantedOperationIds(theOperation, aGrantedIds);
599
600   aFOperation->setGrantedOperationIds(aGrantedIds);
601 }
602
603
604 /*
605  * Saves document with given name.
606  */
607 void XGUI_Workshop::saveDocument(const QString& theName, std::list<std::string>& theFileNames)
608 {
609   QApplication::restoreOverrideCursor();
610   SessionPtr aMgr = ModelAPI_Session::get();
611   aMgr->save(theName.toLatin1().constData(), theFileNames);
612   QApplication::restoreOverrideCursor();
613 }
614
615 bool XGUI_Workshop::abortAllOperations()
616 {
617   return myOperationMgr->abortAllOperations();
618 }
619
620 //******************************************************
621 void XGUI_Workshop::onOpen()
622 {
623   if(!abortAllOperations())
624     return;
625   //save current file before close if modified
626   SessionPtr aSession = ModelAPI_Session::get();
627   if (aSession->isModified()) {
628     //TODO(sbh): re-launch the app?
629     int anAnswer = QMessageBox::question(
630         desktop(), tr("Save current file"),
631         tr("The document is modified, save before opening another?"),
632         QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
633     if (anAnswer == QMessageBox::Save) {
634       onSave();
635     } else if (anAnswer == QMessageBox::Cancel) {
636       return;
637     }
638     myCurrentDir = "";
639   }
640
641   //show file dialog, check if readable and open
642   myCurrentDir = QFileDialog::getExistingDirectory(desktop(), tr("Select directory"));
643   if (myCurrentDir.isEmpty())
644     return;
645   QFileInfo aFileInfo(myCurrentDir);
646   if (!aFileInfo.exists() || !aFileInfo.isReadable()) {
647     QMessageBox::critical(desktop(), tr("Warning"), tr("Unable to open the file."));
648     myCurrentDir = "";
649     return;
650   }
651   QApplication::setOverrideCursor(Qt::WaitCursor);
652   aSession->closeAll();
653   aSession->load(myCurrentDir.toLatin1().constData());
654   myObjectBrowser->rebuildDataTree();
655   updateCommandStatus();
656   QApplication::restoreOverrideCursor();
657 }
658
659 //******************************************************
660 void XGUI_Workshop::onNew()
661 {
662   QApplication::setOverrideCursor(Qt::WaitCursor);
663   if (objectBrowser() == 0) {
664     createDockWidgets();
665     mySelector->connectViewers();
666   }
667   myViewerProxy->connectToViewer();
668   showObjectBrowser();
669 #ifndef HAVE_SALOME
670   myMainWindow->showPythonConsole();
671   QMdiSubWindow* aWnd = myMainWindow->viewer()->createView();
672   aWnd->showMaximized();
673   updateCommandStatus();
674 #endif
675   myContextMenuMgr->connectViewer();
676   QApplication::restoreOverrideCursor();
677 }
678
679 #ifndef HAVE_SALOME
680 //******************************************************
681 void XGUI_Workshop::onExit()
682 {
683   SessionPtr aMgr = ModelAPI_Session::get();
684   if (aMgr->isModified()) {
685     int anAnswer = QMessageBox::question(
686         myMainWindow, tr("Save current file"), tr("The document is modified, save before exit?"),
687         QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
688     if (anAnswer == QMessageBox::Save) {
689       bool saved = onSave();
690       if (!saved) {
691         return;
692       }
693     } else if (anAnswer == QMessageBox::Cancel) {
694       return;
695     }
696   }
697   qApp->exit();
698 }
699
700 //******************************************************
701 void XGUI_Workshop::onPreferences()
702 {
703   ModuleBase_Prefs aModif;
704   ModuleBase_Preferences::editPreferences(aModif);
705   if (aModif.size() > 0) {
706     QString aSection;
707     foreach (ModuleBase_Pref aPref, aModif)
708     {
709       aSection = aPref.first;
710       if (aSection == ModuleBase_Preferences::VIEWER_SECTION) {
711         myMainWindow->viewer()->updateFromResources();
712       } else if (aSection == ModuleBase_Preferences::MENU_SECTION) {
713         myMainWindow->menuObject()->updateFromResources();
714       }
715     }
716     displayer()->redisplayObjects();
717   }
718 }
719 #endif
720
721 //******************************************************
722 void XGUI_Workshop::onTrihedronVisibilityChanged(bool theState)
723 {
724   XGUI_Displayer* aDisplayer = displayer();
725   if (aDisplayer)
726     aDisplayer->displayTrihedron(theState);
727 }
728
729 //******************************************************
730 bool XGUI_Workshop::onSave()
731 {
732   if(!abortAllOperations())
733     return false;
734   if (myCurrentDir.isEmpty()) {
735     return onSaveAs();
736   }
737   std::list<std::string> aFiles;
738   saveDocument(myCurrentDir, aFiles);
739   updateCommandStatus();
740 #ifndef HAVE_SALOME
741     myMainWindow->setModifiedState(false);
742 #endif
743   return true;
744 }
745
746 //******************************************************
747 bool XGUI_Workshop::onSaveAs()
748 {
749   if(!abortAllOperations())
750     return false;
751   QFileDialog dialog(desktop());
752   dialog.setWindowTitle(tr("Select directory to save files..."));
753   dialog.setFileMode(QFileDialog::Directory);
754   dialog.setFilter(tr("Directories (*)"));
755   dialog.setOptions(QFileDialog::HideNameFilterDetails | QFileDialog::ShowDirsOnly);
756   dialog.setViewMode(QFileDialog::Detail);
757
758   if (!dialog.exec()) {
759     return false;
760   }
761
762   QString aTempDir = dialog.selectedFiles().first();
763   QDir aDir(aTempDir);
764   if (aDir.exists() && !aDir.entryInfoList(QDir::NoDotAndDotDot | QDir::AllEntries).isEmpty()) {
765     int answer = QMessageBox::question(
766         desktop(),
767         //: Title of the dialog which asks user if he wants to save study in existing non-empty folder
768         tr("Save"),
769         tr("The directory already contains some files, save anyway?"),
770         QMessageBox::Save | QMessageBox::Cancel);
771     if (answer == QMessageBox::Cancel) {
772       return false;
773     }
774   }
775   myCurrentDir = aTempDir;
776 #ifndef HAVE_SALOME
777     myMainWindow->setCurrentDir(myCurrentDir, false);
778     myMainWindow->setModifiedState(false);
779 #endif
780   return onSave();
781 }
782
783 //******************************************************
784 void XGUI_Workshop::onUndo(int theTimes)
785 {
786   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
787   SessionPtr aMgr = ModelAPI_Session::get();
788   std::list<std::string> aUndoList = aMgr->undoList();
789   if (aMgr->isOperation()) {
790     /// this is important for nested operations
791     /// when sketch operation is active, this condition is false and
792     /// the sketch operation is not aborted
793     operationMgr()->onAbortOperation();
794   }
795   std::list<std::string>::const_iterator aIt = aUndoList.cbegin();
796   for (int i = 0; (i < theTimes) && (aIt != aUndoList.cend()); ++i, ++aIt) {
797     aMgr->undo();
798     if (QString((*aIt).c_str()) == MOVE_TO_END_COMMAND)
799       myObjectBrowser->rebuildDataTree();
800   }
801
802   operationMgr()->updateApplyOfOperations();
803   updateCommandStatus();
804 }
805
806 //******************************************************
807 void XGUI_Workshop::onRedo(int theTimes)
808 {
809   // the viewer update should be blocked in order to avoid the features blinking. For the created
810   // feature a results are created, the flush of the created signal caused the viewer redisplay for
811   // each created result. After a redisplay signal is flushed. So, the viewer update is blocked until
812   // redo of all possible objects happens
813   bool isUpdateEnabled = myDisplayer->enableUpdateViewer(false);
814
815   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
816   SessionPtr aMgr = ModelAPI_Session::get();
817   std::list<std::string> aRedoList = aMgr->redoList();
818   if (aMgr->isOperation()) {
819     /// this is important for nested operations
820     /// when sketch operation is active, this condition is false and
821     /// the sketch operation is not aborted
822     operationMgr()->onAbortOperation();
823   }
824   std::list<std::string>::const_iterator aIt = aRedoList.cbegin();
825   for (int i = 0; (i < theTimes) && (aIt != aRedoList.cend()); ++i, ++aIt) {
826     aMgr->redo();
827     if (QString((*aIt).c_str()) == MOVE_TO_END_COMMAND)
828       myObjectBrowser->rebuildDataTree();
829   }
830   operationMgr()->updateApplyOfOperations();
831   updateCommandStatus();
832
833   // unblock the viewer update functionality and make update on purpose
834   myDisplayer->enableUpdateViewer(isUpdateEnabled);
835   myDisplayer->updateViewer();
836 }
837
838 //******************************************************
839 //void XGUI_Workshop::onRebuild()
840 //{
841 //  SessionPtr aMgr = ModelAPI_Session::get();
842 //  bool aWasOperation = aMgr->isOperation(); // keep this value
843 //  if (!aWasOperation) {
844 //    aMgr->startOperation("Rebuild");
845 //  }
846 //  static const Events_ID aRebuildEvent = Events_Loop::loop()->eventByName("Rebuild");
847 //  Events_Loop::loop()->send(std::shared_ptr<Events_Message>(
848 //    new Events_Message(aRebuildEvent, this)));
849 //  if (!aWasOperation) {
850 //    aMgr->finishOperation();
851 //  }
852 //  updateCommandStatus();
853 //}
854
855 //******************************************************
856 void XGUI_Workshop::onWidgetStateChanged(int thePreviousState)
857 {
858   ModuleBase_ModelWidget* anActiveWidget = 0;
859   ModuleBase_Operation* anOperation = myOperationMgr->currentOperation();
860   if (anOperation) {
861     ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
862     if (aPanel)
863       anActiveWidget = aPanel->activeWidget();
864   }
865   if (anActiveWidget)
866     operationMgr()->onValidateOperation();
867
868   myModule->widgetStateChanged(thePreviousState);
869 }
870
871 //******************************************************
872 void XGUI_Workshop::onValuesChanged()
873 {
874   ModuleBase_ModelWidget* aSenderWidget = (ModuleBase_ModelWidget*)(sender());
875   if (!aSenderWidget || aSenderWidget->canAcceptFocus())
876     return;
877
878   ModuleBase_ModelWidget* anActiveWidget = 0;
879   ModuleBase_Operation* anOperation = myOperationMgr->currentOperation();
880   if (anOperation) {
881     ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
882     if (aPanel)
883       anActiveWidget = aPanel->activeWidget();
884   }
885   if (anActiveWidget) {
886     ModuleBase_WidgetValidated* aWidgetValidated = dynamic_cast<ModuleBase_WidgetValidated*>
887                                                                            (anActiveWidget);
888     if (aWidgetValidated)
889       aWidgetValidated->clearValidatedCash();
890   }
891 }
892
893 ModuleBase_IModule* XGUI_Workshop::loadModule(const QString& theModule)
894 {
895   QString libName = QString::fromStdString(library(theModule.toStdString()));
896   if (libName.isEmpty()) {
897     qWarning(qPrintable(tr("Information about module \"%1\" doesn't exist.").arg(theModule)));
898     return 0;
899   }
900
901   QString err;
902   CREATE_FUNC crtInst = 0;
903
904 #ifdef WIN32
905   HINSTANCE modLib = ::LoadLibrary((LPTSTR) qPrintable(libName));
906   if (!modLib) {
907     LPVOID lpMsgBuf;
908     ::FormatMessage(
909         FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
910         0, ::GetLastError(), 0, (LPTSTR) & lpMsgBuf, 0, 0);
911     QString aMsg((char*) &lpMsgBuf);
912     err = QString("Failed to load  %1. %2").arg(libName).arg(aMsg);
913     ::LocalFree(lpMsgBuf);
914   } else {
915     crtInst = (CREATE_FUNC) ::GetProcAddress(modLib, CREATE_MODULE);
916     if (!crtInst) {
917       LPVOID lpMsgBuf;
918       ::FormatMessage(
919           FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM
920               | FORMAT_MESSAGE_IGNORE_INSERTS,
921           0, ::GetLastError(), 0, (LPTSTR) & lpMsgBuf, 0, 0);
922       QString aMsg((char*) &lpMsgBuf);
923       err = QString("Failed to find  %1 function. %2").arg( CREATE_MODULE).arg(aMsg);
924       ::LocalFree(lpMsgBuf);
925     }
926   }
927 #else
928   void* modLib = dlopen( libName.toLatin1(), RTLD_LAZY | RTLD_GLOBAL );
929   if ( !modLib ) {
930     err = QString( "Can not load library %1. %2" ).arg( libName ).arg( dlerror() );
931   } else {
932     crtInst = (CREATE_FUNC)dlsym( modLib, CREATE_MODULE );
933     if ( !crtInst ) {
934       err = QString( "Failed to find function %1. %2" ).arg( CREATE_MODULE ).arg( dlerror() );
935     }
936   }
937 #endif
938
939   ModuleBase_IModule* aModule = crtInst ? crtInst(myModuleConnector) : 0;
940
941   if (!err.isEmpty()) {
942     if (desktop()) {
943       Events_Error::send(err.toStdString());
944     } else {
945       qWarning(qPrintable(err));
946     }
947   }
948   return aModule;
949 }
950
951 //******************************************************
952 bool XGUI_Workshop::createModule()
953 {
954   Config_ModuleReader aModuleReader;
955   QString moduleName = QString::fromStdString(aModuleReader.getModuleName());
956   myModule = loadModule(moduleName);
957   if (!myModule)
958     return false;
959
960   //connect(myDisplayer, SIGNAL(objectDisplayed(ObjectPtr, AISObjectPtr)),
961   //  myModule, SLOT(onObjectDisplayed(ObjectPtr, AISObjectPtr)));
962   //connect(myDisplayer, SIGNAL(beforeObjectErase(ObjectPtr, AISObjectPtr)),
963   //  myModule, SLOT(onBeforeObjectErase(ObjectPtr, AISObjectPtr)));
964
965   myModule->createFeatures();
966   //myActionsMgr->update();
967   return true;
968 }
969
970 //******************************************************
971 void XGUI_Workshop::updateCommandStatus()
972 {
973   QList<QAction*> aCommands;
974 #ifdef HAVE_SALOME
975     aCommands = salomeConnector()->commandList();
976 #else
977     AppElements_MainMenu* aMenuBar = myMainWindow->menuObject();
978     foreach (AppElements_Command* aCmd, aMenuBar->features())
979       aCommands.append(aCmd);
980 #endif
981   SessionPtr aMgr = ModelAPI_Session::get();
982   if (aMgr->hasModuleDocument()) {
983     foreach(QAction* aCmd, aCommands) {
984       QString aId = aCmd->data().toString();
985       if (aId == "UNDO_CMD")
986         aCmd->setEnabled(myModule->canUndo());
987       else if (aId == "REDO_CMD")
988         aCmd->setEnabled(myModule->canRedo());
989       else
990         // Enable all commands
991         aCmd->setEnabled(true);
992     }
993     updateHistory();
994   } else {
995     foreach(QAction* aCmd, aCommands) {
996       QString aId = aCmd->data().toString();
997       if (aId == "NEW_CMD")
998         aCmd->setEnabled(true);
999       else if (aId == "EXIT_CMD")
1000         aCmd->setEnabled(true);
1001       else
1002         aCmd->setEnabled(false);
1003     }
1004   }
1005   myActionsMgr->updateCommandsStatus();
1006   emit commandStatusUpdated();
1007 }
1008
1009 void XGUI_Workshop::updateHistory()
1010 {
1011   std::list<std::string> aUndoList = ModelAPI_Session::get()->undoList();
1012   QList<ActionInfo> aUndoRes = processHistoryList(aUndoList);
1013   emit updateUndoHistory(aUndoRes);
1014
1015   std::list<std::string> aRedoList = ModelAPI_Session::get()->redoList();
1016   QList<ActionInfo> aRedoRes = processHistoryList(aRedoList);
1017   emit updateRedoHistory(aRedoRes);
1018 }
1019
1020 //******************************************************
1021 QDockWidget* XGUI_Workshop::createObjectBrowser(QWidget* theParent)
1022 {
1023   QDockWidget* aObjDock = new QDockWidget(theParent);
1024   aObjDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea | Qt::BottomDockWidgetArea);
1025   aObjDock->setWindowTitle(tr("Object browser"));
1026   aObjDock->setStyleSheet(
1027       "::title { position: relative; padding-left: 5px; text-align: left center }");
1028   myObjectBrowser = new XGUI_ObjectsBrowser(aObjDock);
1029   myModule->customizeObjectBrowser(myObjectBrowser);
1030   aObjDock->setWidget(myObjectBrowser);
1031
1032   myContextMenuMgr->connectObjectBrowser();
1033   return aObjDock;
1034 }
1035
1036 //******************************************************
1037 /*
1038  * Creates dock widgets, places them in corresponding area
1039  * and tabifies if necessary.
1040  */
1041 void XGUI_Workshop::createDockWidgets()
1042 {
1043   QMainWindow* aDesktop = desktop();
1044   QDockWidget* aObjDock = createObjectBrowser(aDesktop);
1045   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, aObjDock);
1046   myPropertyPanel = new XGUI_PropertyPanel(aDesktop, myOperationMgr);
1047   myPropertyPanel->setupActions(myActionsMgr);
1048   myPropertyPanel->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea | Qt::BottomDockWidgetArea);
1049   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, myPropertyPanel);
1050   hidePropertyPanel();  ///<! Invisible by default
1051   hideObjectBrowser();
1052   aDesktop->tabifyDockWidget(aObjDock, myPropertyPanel);
1053   myPropertyPanel->installEventFilter(myOperationMgr);
1054
1055   QAction* aOkAct = myActionsMgr->operationStateAction(XGUI_ActionsMgr::Accept);
1056   connect(aOkAct, SIGNAL(triggered()), this, SLOT(onAcceptActionClicked()));
1057
1058   QAction* aCancelAct = myActionsMgr->operationStateAction(XGUI_ActionsMgr::Abort);
1059   connect(aCancelAct, SIGNAL(triggered()), myOperationMgr, SLOT(onAbortOperation()));
1060   connect(myPropertyPanel, SIGNAL(keyReleased(QObject*, QKeyEvent*)),
1061           myOperationMgr,  SLOT(onKeyReleased(QObject*, QKeyEvent*)));
1062
1063   connect(myPropertyPanel, SIGNAL(enterClicked(QObject*)),
1064           myOperationMgr,  SLOT(onProcessEnter(QObject*)));
1065 }
1066
1067 //******************************************************
1068 void XGUI_Workshop::showPropertyPanel()
1069 {
1070   QAction* aViewAct = myPropertyPanel->toggleViewAction();
1071   ///<! Restore ability to close panel from the window's menu
1072   aViewAct->setEnabled(true);
1073   myPropertyPanel->show();
1074   myPropertyPanel->raise();
1075
1076   // The next code is necessary to made the property panel the active window
1077   // in order to operation manager could process key events of the panel.
1078   // otherwise they are ignored. It happens only if the same(activateWindow) is
1079   // not happened by property panel activation(e.g. resume operation of Sketch)
1080   ModuleBase_Tools::activateWindow(myPropertyPanel, "XGUI_Workshop::showPropertyPanel()");
1081   ModuleBase_Tools::setFocus(myPropertyPanel, "XGUI_Workshop::showPropertyPanel()");
1082 }
1083
1084 //******************************************************
1085 void XGUI_Workshop::hidePropertyPanel()
1086 {
1087   QAction* aViewAct = myPropertyPanel->toggleViewAction();
1088   ///<! Do not allow to show empty property panel
1089   aViewAct->setEnabled(false);
1090   myPropertyPanel->hide();
1091
1092   // the property panel is active window of the desktop, when it is
1093   // hidden, it is undefined which window becomes active. By this reason
1094   // it is defined to perform the desktop as the active window.
1095   // in SALOME mode, workstack made the PyConsole the active window,
1096   // set the focus on it. As a result, shortcuts of the application, like
1097   // are processed by this console. For example Undo actions.
1098   // It is possible that this code is to be moved to SHAPER package
1099   QMainWindow* aDesktop = desktop();
1100   ModuleBase_Tools::activateWindow(aDesktop, "XGUI_Workshop::hidePropertyPanel()");
1101   ModuleBase_Tools::setFocus(aDesktop, "XGUI_Workshop::showPropertyPanel()");
1102 }
1103
1104 //******************************************************
1105 void XGUI_Workshop::showObjectBrowser()
1106 {
1107   if (!isSalomeMode())
1108     myObjectBrowser->parentWidget()->show();
1109 }
1110
1111 //******************************************************
1112 void XGUI_Workshop::hideObjectBrowser()
1113 {
1114   if (!isSalomeMode())
1115     myObjectBrowser->parentWidget()->hide();
1116 }
1117
1118 //******************************************************
1119 void XGUI_Workshop::salomeViewerSelectionChanged()
1120 {
1121   emit salomeViewerSelection();
1122 }
1123
1124 //**************************************************************
1125 ModuleBase_IViewer* XGUI_Workshop::salomeViewer() const
1126 {
1127   return mySalomeConnector->viewer();
1128 }
1129
1130 //**************************************************************
1131 void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
1132 {
1133   QObjectPtrList aObjects = mySelector->selection()->selectedObjects();
1134   if (theId == "DELETE_CMD")
1135     deleteObjects();
1136   else if (theId == "CLEAN_HISTORY_CMD")
1137     cleanHistory();
1138   else if (theId == "MOVE_CMD")
1139     moveObjects();
1140   else if (theId == "COLOR_CMD")
1141     changeColor(aObjects);
1142   else if (theId == "SHOW_CMD") {
1143     showObjects(aObjects, true);
1144     mySelector->updateSelectionBy(ModuleBase_ISelection::Browser);
1145   }
1146   else if (theId == "HIDE_CMD")
1147     showObjects(aObjects, false);
1148   else if (theId == "SHOW_ONLY_CMD") {
1149     showOnlyObjects(aObjects);
1150     mySelector->updateSelectionBy(ModuleBase_ISelection::Browser);
1151   }
1152   else if (theId == "SHADING_CMD")
1153     setDisplayMode(aObjects, XGUI_Displayer::Shading);
1154   else if (theId == "WIREFRAME_CMD")
1155     setDisplayMode(aObjects, XGUI_Displayer::Wireframe);
1156   else if (theId == "HIDEALL_CMD") {
1157     QObjectPtrList aList = myDisplayer->displayedObjects();
1158     foreach (ObjectPtr aObj, aList) {
1159       if (module()->canEraseObject(aObj))
1160         aObj->setDisplayed(false);
1161     }
1162     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1163   }
1164 }
1165
1166 //**************************************************************
1167 void XGUI_Workshop::deleteObjects()
1168 {
1169   ModuleBase_IModule* aModule = module();
1170   // 1. allow the module to delete objects, do nothing if it has succeed
1171   if (aModule->deleteObjects()) {
1172     updateCommandStatus();
1173     return;
1174   }
1175
1176   QObjectPtrList anObjects = mySelector->selection()->selectedObjects();
1177   if (!abortAllOperations())
1178     return;
1179   // check whether the object can be deleted. There should not be parts which are not loaded
1180   if (!XGUI_Tools::canRemoveOrRename(desktop(), anObjects))
1181     return;
1182
1183   bool hasResult = false;
1184   bool hasFeature = false;
1185   bool hasParameter = false;
1186   bool hasSubFeature = false;
1187   ModuleBase_Tools::checkObjects(anObjects, hasResult, hasFeature, hasParameter, hasSubFeature);
1188   if (!(hasFeature || hasParameter))
1189     return;
1190
1191   // 3. delete objects
1192   std::set<FeaturePtr> anIgnoredFeatures;
1193   std::set<FeaturePtr> aDirectRefFeatures, aIndirectRefFeatures;
1194   findReferences(anObjects, aDirectRefFeatures, aIndirectRefFeatures);
1195
1196   bool doDeleteReferences = true;
1197   if (isDeleteFeatureWithReferences(anObjects, aDirectRefFeatures, aIndirectRefFeatures,
1198                                     desktop(), doDeleteReferences)) {
1199     // start operation
1200     QString aDescription = contextMenuMgr()->action("DELETE_CMD")->text();
1201     aDescription += " " + aDescription.arg(XGUI_Tools::unionOfObjectNames(anObjects, ", "));
1202     ModuleBase_OperationAction* anOpAction = new ModuleBase_OperationAction(aDescription, module());
1203     operationMgr()->startOperation(anOpAction);
1204
1205     // WORKAROUND, should be done before each object remove, if it presents in XGUI_DataModel tree
1206     // It is necessary to clear selection in order to avoid selection changed event during
1207     // deletion and negative consequences connected with processing of already deleted items
1208     mySelector->clearSelection();
1209
1210     // delete and commit/abort operation in model
1211     if (deleteFeaturesInternal(anObjects, aDirectRefFeatures, aIndirectRefFeatures,
1212                                anIgnoredFeatures, doDeleteReferences))
1213       operationMgr()->commitOperation();
1214     else
1215       operationMgr()->abortOperation(operationMgr()->currentOperation());
1216   }
1217 }
1218
1219 //**************************************************************
1220 void XGUI_Workshop::cleanHistory()
1221 {
1222   if (!abortAllOperations())
1223     return;
1224
1225   QObjectPtrList anObjects = mySelector->selection()->selectedObjects();
1226   QObjectPtrList aFeatures;
1227   foreach (ObjectPtr anObject, anObjects) {
1228     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
1229     // for parameter result, use the corresponded reature to be removed
1230     if (!aFeature.get() && anObject->groupName() == ModelAPI_ResultParameter::group()) {
1231       aFeature = ModelAPI_Feature::feature(anObject);
1232     }
1233     aFeatures.append(aFeature);
1234   }
1235
1236   // 1. find all referenced features
1237   QList<ObjectPtr> anUnusedObjects;
1238   std::set<FeaturePtr> aDirectRefFeatures;
1239   //foreach (ObjectPtr anObject, anObjects) {
1240   foreach (ObjectPtr anObject, aFeatures) {
1241     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
1242     // for parameter result, use the corresponded reature to be removed
1243     //if (!aFeature.get() && anObject->groupName() == ModelAPI_ResultParameter::group()) {
1244     //  aFeature = ModelAPI_Feature::feature(anObject);
1245     //}
1246     if (aFeature.get()) {
1247       std::set<FeaturePtr> alreadyProcessed;
1248       aDirectRefFeatures.clear();
1249       XGUI_Tools::refsDirectToFeatureInAllDocuments(aFeature, aFeature, aFeatures,
1250                                                     aDirectRefFeatures, alreadyProcessed);
1251       if (aDirectRefFeatures.empty() && !anUnusedObjects.contains(aFeature))
1252         anUnusedObjects.append(aFeature);
1253     }
1254   }
1255
1256   // 2. warn about the references remove, break the delete operation if the user chose it
1257   if (!anUnusedObjects.empty()) {
1258     QStringList aNames;
1259     foreach (const ObjectPtr& anObject, anUnusedObjects) {
1260       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
1261       aNames.append(aFeature->name().c_str());
1262     }
1263     QString anUnusedNames = aNames.join(", ");
1264
1265     QString anActionId = "CLEAN_HISTORY_CMD";
1266     QString aDescription = contextMenuMgr()->action(anActionId)->text();
1267
1268     QMessageBox aMessageBox(desktop());
1269     aMessageBox.setWindowTitle(aDescription);
1270     aMessageBox.setIcon(QMessageBox::Warning);
1271     aMessageBox.setStandardButtons(QMessageBox::No | QMessageBox::Yes);
1272     aMessageBox.setDefaultButton(QMessageBox::No);
1273
1274     QString aText = QString(tr("Unused features are the following: %1.\nThese features will be deleted.\nWould you like to continue?")
1275                    .arg(anUnusedNames));
1276     /*QString aText;
1277     if (anUnusedNames.isEmpty()) {
1278       aMessageBox.setStandardButtons(QMessageBox::Ok);
1279       aMessageBox.setDefaultButton(QMessageBox::Ok);
1280
1281       aText = QString(tr("All features are relevant, there is nothing to be deleted"));
1282     }
1283     else {
1284       aMessageBox.setStandardButtons(QMessageBox::No | QMessageBox::Yes);
1285       aMessageBox.setDefaultButton(QMessageBox::No);
1286
1287       aText = QString(tr("Unused features are the following: %1.\nThese features will be deleted.\nWould you like to continue?")
1288         .arg(anUnusedNames));
1289     }*/
1290
1291     aMessageBox.setText(aText);
1292     if (aMessageBox.exec() == QMessageBox::No)
1293       return;
1294
1295     // 1. start operation
1296     aDescription += "by deleting of " + aDescription.arg(XGUI_Tools::unionOfObjectNames(anObjects, ", "));
1297     ModuleBase_OperationAction* anOpAction = new ModuleBase_OperationAction(aDescription, module());
1298     operationMgr()->startOperation(anOpAction);
1299
1300     // WORKAROUND, should be done before each object remove, if it presents in XGUI_DataModel tree
1301     // It is necessary to clear selection in order to avoid selection changed event during
1302     // deletion and negative consequences connected with processing of already deleted items
1303     mySelector->clearSelection();
1304
1305     std::set<FeaturePtr> anIgnoredFeatures;
1306     if (removeFeatures(anUnusedObjects, anIgnoredFeatures, anActionId)) {
1307       operationMgr()->commitOperation();
1308     }
1309     else {
1310       operationMgr()->abortOperation(operationMgr()->currentOperation());
1311     }
1312   }
1313   else {
1314     QString anActionId = "CLEAN_HISTORY_CMD";
1315     QString aDescription = contextMenuMgr()->action(anActionId)->text();
1316
1317     QMessageBox aMessageBox(desktop());
1318     aMessageBox.setWindowTitle(aDescription);
1319     aMessageBox.setIcon(QMessageBox::Warning);
1320     aMessageBox.setStandardButtons(QMessageBox::No | QMessageBox::Yes);
1321     aMessageBox.setDefaultButton(QMessageBox::No);
1322
1323     QString aText;
1324     aMessageBox.setStandardButtons(QMessageBox::Ok);
1325     aMessageBox.setDefaultButton(QMessageBox::Ok);
1326
1327     aText = QString(tr("All features are relevant, there is nothing to be deleted"));
1328     aMessageBox.setText(aText);
1329
1330     if (aMessageBox.exec() == QMessageBox::No)
1331       return;
1332   }
1333 }
1334
1335 //**************************************************************
1336 void XGUI_Workshop::moveObjects()
1337 {
1338   if (!abortAllOperations())
1339     return;
1340
1341   SessionPtr aMgr = ModelAPI_Session::get();
1342
1343   QString anActionId = "MOVE_CMD";
1344   QString aDescription = contextMenuMgr()->action(anActionId)->text();
1345   aMgr->startOperation(aDescription.toStdString());
1346
1347   QObjectPtrList anObjects = mySelector->selection()->selectedObjects();
1348   // It is necessary to clear selection in order to avoid selection changed event during
1349   // moving and negative consequences connected with processing of already moved items
1350   mySelector->clearSelection();
1351   // check whether the object can be moved. There should not be parts which are not loaded
1352   if (!XGUI_Tools::canRemoveOrRename(desktop(), anObjects))
1353     return;
1354
1355   DocumentPtr anActiveDocument = aMgr->activeDocument();
1356   FeaturePtr aCurrentFeature = anActiveDocument->currentFeature(true);
1357   foreach (ObjectPtr aObject, anObjects) {
1358     if (!myModule->canApplyAction(aObject, anActionId))
1359       continue;
1360
1361     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObject);
1362     if (aFeature.get()) {
1363       anActiveDocument->moveFeature(aFeature, aCurrentFeature);
1364       aCurrentFeature = anActiveDocument->currentFeature(true);
1365     }
1366   }
1367   aMgr->finishOperation();
1368 }
1369
1370 //**************************************************************
1371 void XGUI_Workshop::findReferences(const QObjectPtrList& theList,
1372                                    std::set<FeaturePtr>& aDirectRefFeatures,
1373                                    std::set<FeaturePtr>& aIndirectRefFeatures)
1374 {
1375   foreach (ObjectPtr aDeletedObj, theList) {
1376     std::set<FeaturePtr> alreadyProcessed;
1377     XGUI_Tools::refsToFeatureInAllDocuments(aDeletedObj, aDeletedObj, theList, aDirectRefFeatures,
1378                                             aIndirectRefFeatures, alreadyProcessed);
1379     std::set<FeaturePtr> aDifference;
1380     std::set_difference(aIndirectRefFeatures.begin(), aIndirectRefFeatures.end(), 
1381                         aDirectRefFeatures.begin(), aDirectRefFeatures.end(), 
1382                         std::inserter(aDifference, aDifference.begin()));
1383     aIndirectRefFeatures = aDifference;
1384   }
1385 }
1386
1387 bool XGUI_Workshop::isDeleteFeatureWithReferences(const QObjectPtrList& theList,
1388                                    const std::set<FeaturePtr>& aDirectRefFeatures,
1389                                    const std::set<FeaturePtr>& aIndirectRefFeatures,
1390                                    QWidget* theParent,
1391                                    bool& doDeleteReferences)
1392 {
1393   doDeleteReferences = true;
1394
1395   QString aDirectNames, aIndirectNames;
1396   if (!aDirectRefFeatures.empty()) {
1397     QStringList aDirectRefNames;
1398     foreach (const FeaturePtr& aFeature, aDirectRefFeatures)
1399       aDirectRefNames.append(aFeature->name().c_str());
1400     aDirectNames = aDirectRefNames.join(", ");
1401
1402     QStringList aIndirectRefNames;
1403     foreach (const FeaturePtr& aFeature, aIndirectRefFeatures)
1404       aIndirectRefNames.append(aFeature->name().c_str());
1405     aIndirectNames = aIndirectRefNames.join(", ");
1406   }
1407
1408   bool aCanReplaceParameters = !aDirectRefFeatures.empty();
1409   QStringList aPartFeatureNames;
1410   foreach (ObjectPtr aObj, theList) {
1411     FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
1412     // invalid feature data means that the feature is already removed in model,
1413     // we needn't process it. E.g. delete of feature from create operation. The operation abort
1414     // will delete the operation
1415     if (!aFeature->data()->isValid())
1416       continue;
1417     ResultPtr aFirstResult = aFeature->firstResult();
1418     if (!aFirstResult.get())
1419       continue;
1420     std::string aResultGroupName = aFirstResult->groupName();
1421     if (aResultGroupName == ModelAPI_ResultPart::group())
1422       aPartFeatureNames.append(aFeature->name().c_str());
1423
1424     if (aCanReplaceParameters && aResultGroupName != ModelAPI_ResultParameter::group())
1425       aCanReplaceParameters = false;
1426   }
1427   QString aPartNames = aPartFeatureNames.join(", ");
1428
1429   QMessageBox aMessageBox(theParent);
1430   aMessageBox.setWindowTitle(tr("Delete features"));
1431   aMessageBox.setIcon(QMessageBox::Warning);
1432   aMessageBox.setStandardButtons(QMessageBox::No | QMessageBox::Yes);
1433   aMessageBox.setDefaultButton(QMessageBox::No);
1434
1435   QString aText;
1436   if (!aDirectNames.isEmpty() || !aIndirectNames.isEmpty()) {
1437     if (aCanReplaceParameters) {
1438       aText = QString(tr("Selected parameters are used in the following features: %1.\nThese features will be deleted.\nOr parameters could be replaced by their values.\n")
1439                       .arg(aDirectNames));
1440       if (!aIndirectNames.isEmpty())
1441         aText += QString(tr("(Also these features will be deleted: %1)\n")).arg(aIndirectNames);
1442       QPushButton *aReplaceButton = aMessageBox.addButton(tr("Replace"), QMessageBox::ActionRole);
1443     } else {
1444       aText = QString(tr("Selected features are used in the following features: %1.\nThese features will be deleted.\n")).arg(aDirectNames);
1445       if (!aIndirectNames.isEmpty())
1446         aText += QString(tr("(Also these features will be deleted: %1)\n")).arg(aIndirectNames);
1447     }
1448   }
1449   if (!aPartNames.isEmpty())
1450     aText += QString(tr("The following parts will be deleted: %1.\n")).arg(aPartNames);
1451
1452   if (!aText.isEmpty()) {
1453     aText += "Would you like to continue?";
1454     aMessageBox.setText(aText);
1455     aMessageBox.exec();
1456     QMessageBox::ButtonRole aButtonRole = aMessageBox.buttonRole(aMessageBox.clickedButton());
1457
1458     if (aButtonRole == QMessageBox::NoRole)
1459       return false;
1460
1461     if (aButtonRole == QMessageBox::ActionRole) {
1462       foreach (ObjectPtr aObj, theList)
1463         ModelAPI_ReplaceParameterMessage::send(aObj, this);
1464       doDeleteReferences = false;
1465     }
1466   }
1467   return true;
1468 }
1469
1470 bool XGUI_Workshop::deleteFeatures(const QObjectPtrList& theFeatures,
1471                                    const std::set<FeaturePtr>& theIgnoredFeatures)
1472 {
1473   std::set<FeaturePtr> aDirectRefFeatures, aIndirectRefFeatures;
1474   findReferences(theFeatures, aDirectRefFeatures, aIndirectRefFeatures);
1475   return deleteFeaturesInternal(theFeatures, aDirectRefFeatures, aIndirectRefFeatures,
1476                                 theIgnoredFeatures);
1477 }
1478
1479 bool XGUI_Workshop::deleteFeaturesInternal(const QObjectPtrList& theList,
1480                                            const std::set<FeaturePtr>& aDirectRefFeatures,
1481                                            const std::set<FeaturePtr>& aIndirectRefFeatures,
1482                                            const std::set<FeaturePtr>& theIgnoredFeatures,
1483                                            const bool doDeleteReferences)
1484 {
1485   if (doDeleteReferences) {
1486     std::set<FeaturePtr> aFeaturesToDelete = aDirectRefFeatures;
1487     aFeaturesToDelete.insert(aIndirectRefFeatures.begin(), aIndirectRefFeatures.end());
1488     std::set<FeaturePtr>::const_iterator anIt = aFeaturesToDelete.begin(),
1489                                          aLast = aFeaturesToDelete.end();
1490 #ifdef DEBUG_DELETE
1491     QStringList anInfo;
1492 #endif
1493     for (; anIt != aLast; anIt++) {
1494       FeaturePtr aFeature = (*anIt);
1495       DocumentPtr aDoc = aFeature->document();
1496       if (theIgnoredFeatures.find(aFeature) == theIgnoredFeatures.end()) {
1497         aDoc->removeFeature(aFeature);
1498 #ifdef DEBUG_DELETE
1499         anInfo.append(ModuleBase_Tools::objectInfo(aFeature).toStdString().c_str());
1500 #endif
1501       }
1502     }
1503 #ifdef DEBUG_DELETE
1504     qDebug(QString("remove references:%1").arg(anInfo.join("; ")).toStdString().c_str());
1505     anInfo.clear();
1506 #endif
1507   }
1508
1509   QString anActionId = "DELETE_CMD";
1510   return removeFeatures(theList, theIgnoredFeatures, anActionId);
1511 }
1512
1513 //**************************************************************
1514 bool XGUI_Workshop::removeFeatures(const QObjectPtrList& theList,
1515                                    const std::set<FeaturePtr>& theIgnoredFeatures,
1516                                    const QString& theActionId)
1517 {
1518   bool isDone = false;
1519
1520   QString anId = QString::fromStdString(theActionId.toStdString().c_str());
1521   QStringList anObjectGroups = contextMenuMgr()->actionObjectGroups(anId);
1522   // 4. remove the parameter features
1523   foreach (ObjectPtr aObj, theList) {
1524     // features and parameters can be removed here,
1525     // the results are removed only by a corresponded feature remove
1526     std::string aGroupName = aObj->groupName();
1527     if (!anObjectGroups.contains(aGroupName.c_str()))
1528       continue;
1529
1530     FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
1531     if (aFeature) {
1532       /*// TODO: to learn the workshop to delegate the Part object deletion to the PartSet module
1533       // part features are removed in the PartSet module. This condition should be moved there
1534       if (aFeature->getKind() == "Part")
1535         continue;
1536         */
1537       DocumentPtr aDoc = aObj->document();
1538       if (theIgnoredFeatures.find(aFeature) == theIgnoredFeatures.end()) {
1539 #ifdef DEBUG_DELETE
1540         QString anInfoStr = ModuleBase_Tools::objectInfo(aFeature);
1541         anInfo.append(anInfoStr);
1542         qDebug(QString("remove feature :%1").arg(anInfoStr).toStdString().c_str());
1543 #endif
1544         aDoc->removeFeature(aFeature);
1545         isDone = true;
1546       }
1547     }
1548   }
1549 #ifdef DEBUG_DELETE
1550   qDebug(QString("remove features:%1").arg(anInfo.join("; ")).toStdString().c_str());
1551 #endif
1552   return true;
1553 }
1554
1555 bool hasResults(QObjectPtrList theObjects, const std::set<std::string>& theTypes)
1556 {
1557   bool isFoundResultType = false;
1558   foreach(ObjectPtr anObj, theObjects)
1559   {
1560     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
1561     if (aResult.get() == NULL)
1562       continue;
1563
1564     isFoundResultType = theTypes.find(aResult->groupName()) != theTypes.end();
1565     if (isFoundResultType)
1566       break;
1567   }
1568   return isFoundResultType;
1569 }
1570
1571 //**************************************************************
1572 // Returns the list of all features for theDocument and all features of
1573 // all nested parts.
1574 std::list<FeaturePtr> allFeatures(const DocumentPtr& theDocument)
1575 {
1576   std::list<FeaturePtr> aResultList;
1577   std::list<FeaturePtr> anAllFeatures = theDocument->allFeatures();
1578   foreach (const FeaturePtr& aFeature, anAllFeatures) {
1579     // The order of appending features of the part and the part itself is important
1580
1581     // Append features from a part feature
1582     foreach (const ResultPtr& aResult, aFeature->results()) {
1583       ResultPartPtr aResultPart =
1584           std::dynamic_pointer_cast<ModelAPI_ResultPart>(aResult);
1585       if (aResultPart.get() && aResultPart->partDoc().get()) {
1586         // Recursion
1587         std::list<FeaturePtr> anAllFeatures = allFeatures(aResultPart->partDoc());
1588         aResultList.insert(aResultList.end(), anAllFeatures.begin(), anAllFeatures.end());
1589       }
1590     }
1591
1592     aResultList.push_back(aFeature);
1593   }
1594   return aResultList;
1595 }
1596
1597 //**************************************************************
1598 // Returns the list of features placed between theObject and the current feature
1599 // in the same document. Excludes theObject, includes the current feature.
1600 std::list<FeaturePtr> toCurrentFeatures(const ObjectPtr& theObject)
1601 {
1602   std::list<FeaturePtr> aResult;
1603   DocumentPtr aDocument = theObject->document();
1604   std::list<FeaturePtr> anAllFeatures = allFeatures(aDocument);
1605   // find the object iterator
1606   std::list<FeaturePtr>::iterator aObjectIt = std::find(anAllFeatures.begin(), anAllFeatures.end(), theObject);
1607   if (aObjectIt == anAllFeatures.end())
1608     return aResult;
1609   // find the current feature iterator
1610   std::list<FeaturePtr>::iterator aCurrentIt = std::find(anAllFeatures.begin(), anAllFeatures.end(), aDocument->currentFeature(true));
1611   if (aCurrentIt == anAllFeatures.end())
1612     return aResult;
1613   // check the right order
1614   if (std::distance(aObjectIt, anAllFeatures.end()) <= std::distance(aCurrentIt, anAllFeatures.end()))
1615     return aResult;
1616   // exclude the object
1617   std::advance(aObjectIt, 1);
1618   // include the current feature
1619   std::advance(aCurrentIt, 1);
1620   return std::list<FeaturePtr>(aObjectIt, aCurrentIt);
1621 }
1622
1623 bool XGUI_Workshop::canMoveFeature()
1624 {
1625   QString anActionId = "MOVE_CMD";
1626
1627   QObjectPtrList aObjects = mySelector->selection()->selectedObjects();
1628   QObjectPtrList aValidatedObjects;
1629   foreach (ObjectPtr aObject, aObjects) {
1630     if (!myModule->canApplyAction(aObject, anActionId))
1631       continue;
1632     // To be moved feature should be in active document
1633     if (aObject->document() != ModelAPI_Session::get()->activeDocument())
1634       continue;
1635     aValidatedObjects.append(aObject);
1636   }
1637   if (aValidatedObjects.size() != aObjects.size())
1638     aObjects = aValidatedObjects;
1639
1640   bool aCanMove = !aObjects.empty();
1641
1642   QObjectPtrList::const_iterator anIt = aObjects.begin(), aLast = aObjects.end();
1643   for (; anIt != aLast && aCanMove; anIt++) {
1644     ObjectPtr aObject = *anIt;
1645     // 1. Get features placed between selected and current in the document 
1646     std::list<FeaturePtr> aFeaturesBetween = toCurrentFeatures(aObject);
1647     // if aFeaturesBetween is empty it means wrong order or aObject is the current feature
1648     if (aFeaturesBetween.empty())
1649       aCanMove = false;
1650     else {
1651       std::set<FeaturePtr> aPlacedFeatures(aFeaturesBetween.begin(), aFeaturesBetween.end());
1652       // 2. Get all reference features to the selected object in the document 
1653       std::set<FeaturePtr> aRefFeatures;
1654       XGUI_Tools::refsToFeatureInFeatureDocument(aObject, aRefFeatures);
1655
1656       if (aRefFeatures.empty())
1657         continue;
1658       else {
1659         // 3. Find any placed features in all reference features
1660         std::set<FeaturePtr> aIntersectionFeatures;
1661         std::set_intersection(aRefFeatures.begin(), aRefFeatures.end(),
1662                               aPlacedFeatures.begin(), aPlacedFeatures.end(),
1663                               std::inserter(aIntersectionFeatures, aIntersectionFeatures.begin()));
1664         // 4. Return false if any reference feature is placed before current feature
1665         if (!aIntersectionFeatures.empty())
1666           aCanMove = false;
1667       }
1668     }
1669   }
1670   return aCanMove;
1671 }
1672
1673 //**************************************************************
1674 bool XGUI_Workshop::canBeShaded(const ObjectPtr& theObject) const
1675 {
1676   bool aCanBeShaded = myDisplayer->canBeShaded(theObject);
1677   if (!aCanBeShaded) {
1678     ResultCompSolidPtr aCompsolidResult =
1679                 std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(theObject);
1680     if (aCompsolidResult.get() != NULL) { // change colors for all sub-solids
1681       for(int i = 0; i < aCompsolidResult->numberOfSubs() && !aCanBeShaded; i++)
1682         aCanBeShaded = myDisplayer->canBeShaded(aCompsolidResult->subResult(i));
1683     }
1684   }
1685   return aCanBeShaded;
1686 }
1687
1688 //**************************************************************
1689 bool XGUI_Workshop::canChangeColor() const
1690 {
1691   QObjectPtrList aObjects = mySelector->selection()->selectedObjects();
1692
1693   std::set<std::string> aTypes;
1694   aTypes.insert(ModelAPI_ResultGroup::group());
1695   aTypes.insert(ModelAPI_ResultConstruction::group());
1696   aTypes.insert(ModelAPI_ResultBody::group());
1697   aTypes.insert(ModelAPI_ResultPart::group());
1698
1699   return hasResults(aObjects, aTypes);
1700 }
1701
1702 void setColor(ResultPtr theResult, const std::vector<int>& theColor)
1703 {
1704   if (!theResult.get())
1705     return;
1706
1707   AttributeIntArrayPtr aColorAttr = theResult->data()->intArray(ModelAPI_Result::COLOR_ID());
1708   if (aColorAttr.get() != NULL) {
1709     if (!aColorAttr->size()) {
1710       aColorAttr->setSize(3);
1711     }
1712     aColorAttr->setValue(0, theColor[0]);
1713     aColorAttr->setValue(1, theColor[1]);
1714     aColorAttr->setValue(2, theColor[2]);
1715   }
1716 }
1717
1718 //**************************************************************
1719 void XGUI_Workshop::changeColor(const QObjectPtrList& theObjects)
1720 {
1721
1722   AttributeIntArrayPtr aColorAttr;
1723   // 1. find the current color of the object. This is a color of AIS presentation
1724   // The objects are iterated until a first valid color is found 
1725   std::vector<int> aColor;
1726   foreach(ObjectPtr anObject, theObjects) {
1727     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
1728     if (aResult.get()) {
1729       XGUI_CustomPrs::getResultColor(aResult, aColor);
1730     }
1731     else {
1732       // TODO: remove the obtaining a color from the AIS object
1733       // this does not happen never because:
1734       // 1. The color can be changed only on results
1735       // 2. The result can be not visualized in the viewer(e.g. Origin Construction)
1736       AISObjectPtr anAISObj = myDisplayer->getAISObject(anObject);
1737       if (anAISObj.get()) {
1738         aColor.resize(3);
1739         anAISObj->getColor(aColor[0], aColor[1], aColor[2]);
1740       }
1741     }
1742     if (!aColor.empty())
1743       break;
1744   }
1745   if (aColor.size() != 3)
1746     return;
1747
1748   if (!abortAllOperations())
1749   return; 
1750   // 2. show the dialog to change the value
1751   XGUI_ColorDialog* aDlg = new XGUI_ColorDialog(desktop());
1752   aDlg->setColor(aColor);
1753   aDlg->move(QCursor::pos());
1754   bool isDone = aDlg->exec() == QDialog::Accepted;
1755   if (!isDone)
1756     return;
1757
1758   bool isRandomColor = aDlg->isRandomColor();
1759
1760   // 3. abort the previous operation and start a new one
1761   SessionPtr aMgr = ModelAPI_Session::get();
1762   QString aDescription = contextMenuMgr()->action("COLOR_CMD")->text();
1763   aMgr->startOperation(aDescription.toStdString());
1764
1765   // 4. set the value to all results
1766   std::vector<int> aColorResult = aDlg->getColor();
1767   foreach(ObjectPtr anObj, theObjects) {
1768     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
1769     if (aResult.get() != NULL) {
1770       ResultCompSolidPtr aCompsolidResult = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aResult);
1771       if (aCompsolidResult.get() != NULL) { // change colors for all sub-solids
1772         for(int i = 0; i < aCompsolidResult->numberOfSubs(); i++) {
1773           setColor(aCompsolidResult->subResult(i), !isRandomColor ? aColorResult : aDlg->getRandomColor());
1774         }
1775       }
1776       setColor(aResult, !isRandomColor ? aColorResult : aDlg->getRandomColor());
1777     }
1778   }
1779   aMgr->finishOperation();
1780   updateCommandStatus();
1781 }
1782
1783 //**************************************************************
1784 #define SET_DISPLAY_GROUP(aGroupName, aDisplay) \
1785 for (int i = 0; i < aDoc->size(aGroupName); i++) { \
1786   aDoc->object(aGroupName, i)->setDisplayed(aDisplay); \
1787 }
1788 void XGUI_Workshop::showObjects(const QObjectPtrList& theList, bool isVisible)
1789 {
1790   foreach (ObjectPtr aObj, theList) {
1791     /*
1792     ResultPartPtr aPartRes = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
1793     if (aPartRes) {
1794       DocumentPtr aDoc = aPartRes->partDoc();
1795       SET_DISPLAY_GROUP(ModelAPI_ResultBody::group(), isVisible)
1796       SET_DISPLAY_GROUP(ModelAPI_ResultConstruction::group(), isVisible)
1797       SET_DISPLAY_GROUP(ModelAPI_ResultGroup::group(), isVisible)
1798     } else {
1799     */
1800       aObj->setDisplayed(isVisible);
1801     //}
1802   }
1803   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1804 }
1805
1806 //**************************************************************
1807 void XGUI_Workshop::showOnlyObjects(const QObjectPtrList& theList)
1808 {
1809   // Hide all displayed objects
1810   QObjectPtrList aList = myDisplayer->displayedObjects();
1811   foreach (ObjectPtr aObj, aList) {
1812     if (module()->canEraseObject(aObj))
1813       aObj->setDisplayed(false);
1814   }
1815
1816   // Show only objects from the list
1817   foreach (ObjectPtr aObj, theList) {
1818     /*
1819     ResultPartPtr aPartRes = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
1820     if (aPartRes) {
1821       DocumentPtr aDoc = aPartRes->partDoc();
1822       SET_DISPLAY_GROUP(ModelAPI_ResultBody::group(), true)
1823       SET_DISPLAY_GROUP(ModelAPI_ResultConstruction::group(), true)
1824       SET_DISPLAY_GROUP(ModelAPI_ResultGroup::group(), true)
1825     } else {
1826     */
1827       aObj->setDisplayed(true);
1828     //}
1829   }
1830   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1831
1832 }
1833
1834
1835 //**************************************************************
1836 void XGUI_Workshop::registerValidators() const
1837 {
1838   SessionPtr aMgr = ModelAPI_Session::get();
1839   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
1840 }
1841
1842 //**************************************************************
1843 void XGUI_Workshop::displayDocumentResults(DocumentPtr theDoc)
1844 {
1845   if (!theDoc)
1846     return;
1847   displayGroupResults(theDoc, ModelAPI_ResultConstruction::group());
1848   displayGroupResults(theDoc, ModelAPI_ResultBody::group());
1849 }
1850
1851 //**************************************************************
1852 void XGUI_Workshop::displayGroupResults(DocumentPtr theDoc, std::string theGroup)
1853 {
1854   for (int i = 0; i < theDoc->size(theGroup); i++) 
1855     theDoc->object(theGroup, i)->setDisplayed(true);
1856     //displayObject(theDoc->object(theGroup, i));
1857   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1858 }
1859
1860 //**************************************************************
1861 void XGUI_Workshop::setDisplayMode(const QObjectPtrList& theList, int theMode)
1862 {
1863   foreach(ObjectPtr aObj, theList) {
1864     myDisplayer->setDisplayMode(aObj, (XGUI_Displayer::DisplayMode)theMode, false);
1865
1866     ResultCompSolidPtr aCompsolidResult = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aObj);
1867     if (aCompsolidResult.get() != NULL) { // change colors for all sub-solids
1868       for(int i = 0; i < aCompsolidResult->numberOfSubs(); i++) {
1869           myDisplayer->setDisplayMode(aCompsolidResult->subResult(i),
1870                                       (XGUI_Displayer::DisplayMode)theMode, false);
1871       }
1872     }
1873   }
1874   if (theList.size() > 0)
1875     myDisplayer->updateViewer();
1876 }
1877
1878 //**************************************************************
1879 void XGUI_Workshop::closeDocument()
1880 {
1881   ModuleBase_Operation* anOperation = operationMgr()->currentOperation();
1882   while (anOperation) {
1883     anOperation->abort();
1884     anOperation = operationMgr()->currentOperation();
1885   }
1886   myDisplayer->closeLocalContexts();
1887   myDisplayer->eraseAll();
1888   objectBrowser()->clearContent();
1889
1890   module()->closeDocument();
1891
1892   SessionPtr aMgr = ModelAPI_Session::get();
1893   aMgr->closeAll();
1894 }
1895
1896 void XGUI_Workshop::addHistoryMenu(QObject* theObject, const char* theSignal, const char* theSlot)
1897 {
1898   XGUI_HistoryMenu* aMenu = NULL;
1899   if (isSalomeMode()) {
1900     QAction* anAction = qobject_cast<QAction*>(theObject);
1901     if (!anAction)
1902       return;
1903     aMenu = new XGUI_HistoryMenu(anAction);
1904   } else {
1905     QToolButton* aButton =  qobject_cast<QToolButton*>(theObject);
1906     aMenu = new XGUI_HistoryMenu(aButton);
1907   }
1908   connect(this, theSignal, aMenu, SLOT(setHistory(const QList<ActionInfo>&)));
1909   connect(aMenu, SIGNAL(actionSelected(int)), this, theSlot);
1910 }
1911
1912 QList<ActionInfo> XGUI_Workshop::processHistoryList(const std::list<std::string>& theList) const
1913 {
1914   QList<ActionInfo> aResult;
1915   std::list<std::string>::const_iterator it = theList.cbegin();
1916   for (; it != theList.cend(); it++) {
1917     QString anId = QString::fromStdString(*it);
1918     bool isEditing = anId.endsWith(ModuleBase_OperationFeature::EditSuffix());
1919     if (isEditing) {
1920       anId.chop(ModuleBase_OperationFeature::EditSuffix().size());
1921     }
1922     ActionInfo anInfo;
1923     QAction* aContextMenuAct = myContextMenuMgr->actionByName(anId);
1924     if (aContextMenuAct) {
1925       anInfo.initFrom(aContextMenuAct);
1926     } else {
1927       anInfo = myActionsMgr->actionInfoById(anId);
1928     }
1929     if (isEditing) {
1930       anInfo.text = anInfo.text.prepend("Modify ");
1931     }
1932     aResult << anInfo;
1933   }
1934   return aResult;
1935 }
1936
1937 void XGUI_Workshop::synchronizeViewer()
1938 {
1939   SessionPtr aMgr = ModelAPI_Session::get();
1940   DocumentPtr aDoc = aMgr->activeDocument();
1941
1942   synchronizeGroupInViewer(aDoc, ModelAPI_ResultConstruction::group(), false);
1943   synchronizeGroupInViewer(aDoc, ModelAPI_ResultBody::group(), false);
1944   synchronizeGroupInViewer(aDoc, ModelAPI_ResultPart::group(), false);
1945   synchronizeGroupInViewer(aDoc, ModelAPI_ResultGroup::group(), false);
1946 }
1947
1948 void XGUI_Workshop::synchronizeGroupInViewer(const DocumentPtr& theDoc, 
1949                                              const std::string& theGroup, 
1950                                              bool theUpdateViewer)
1951 {
1952   ObjectPtr aObj;
1953   int aSize = theDoc->size(theGroup);
1954   for (int i = 0; i < aSize; i++) {
1955     aObj = theDoc->object(theGroup, i);
1956     if (aObj->isDisplayed()) {
1957       // Hide the presentation with an empty shape. But isDisplayed state of the object should not
1958       // be changed to the object becomes visible when the shape becomes not empty
1959       ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
1960       if (aRes.get() && (!aRes->shape().get() || aRes->shape()->isNull()))
1961         continue;
1962       myDisplayer->display(aObj, false);
1963     }
1964   }
1965   if (theUpdateViewer)
1966     myDisplayer->updateViewer();
1967 }