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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       myViewerSelMode(TopAbs_FACE)
124 {
125 #ifndef HAVE_SALOME
126   myMainWindow = new AppElements_MainWindow();
127
128   SUIT_ResourceMgr* aResMgr = ModuleBase_Preferences::resourceMgr();
129   bool aCloc = aResMgr->booleanValue("language", "locale", true);
130   if (aCloc)
131     QLocale::setDefault( QLocale::c() );
132   else 
133     QLocale::setDefault( QLocale::system() );
134 #endif
135
136   myDisplayer = new XGUI_Displayer(this);
137
138   mySelector = new XGUI_SelectionMgr(this);
139   connect(mySelector, SIGNAL(selectionChanged()), this, SLOT(updateCommandStatus()));
140
141   myOperationMgr = new XGUI_OperationMgr(this, 0);
142   myActionsMgr = new XGUI_ActionsMgr(this);
143   myErrorDlg = new XGUI_ErrorDialog(QApplication::desktop());
144   myContextMenuMgr = new XGUI_ContextMenuMgr(this);
145   connect(myContextMenuMgr, SIGNAL(actionTriggered(const QString&, bool)), this,
146           SLOT(onContextMenuCommand(const QString&, bool)));
147
148   myViewerProxy = new XGUI_ViewerProxy(this);
149   connect(myViewerProxy, SIGNAL(selectionChanged()),
150           myActionsMgr,  SLOT(updateOnViewSelection()));
151
152   myModuleConnector = new XGUI_ModuleConnector(this);
153
154   ModuleBase_IWorkshop* aWorkshop = moduleConnector();
155   myOperationMgr->setWorkshop(aWorkshop);
156
157   myErrorMgr = new XGUI_ErrorMgr(this, aWorkshop);
158   myEventsListener = new XGUI_WorkshopListener(aWorkshop);
159
160   connect(myOperationMgr, SIGNAL(operationStarted(ModuleBase_Operation*)), 
161           SLOT(onOperationStarted(ModuleBase_Operation*)));
162   connect(myOperationMgr, SIGNAL(operationResumed(ModuleBase_Operation*)),
163           SLOT(onOperationResumed(ModuleBase_Operation*)));
164   connect(myOperationMgr, SIGNAL(operationStopped(ModuleBase_Operation*)),
165           SLOT(onOperationStopped(ModuleBase_Operation*)));
166   connect(myOperationMgr, SIGNAL(operationCommitted(ModuleBase_Operation*)), 
167           SLOT(onOperationCommitted(ModuleBase_Operation*)));
168   connect(myOperationMgr, SIGNAL(operationAborted(ModuleBase_Operation*)), 
169           SLOT(onOperationAborted(ModuleBase_Operation*)));
170
171 #ifndef HAVE_SALOME
172   connect(myMainWindow, SIGNAL(exitKeySequence()), SLOT(onExit()));
173   onTrihedronVisibilityChanged(true);
174 #endif
175
176   connect(this, SIGNAL(errorOccurred(const QString&)), myErrorDlg, SLOT(addError(const QString&)));
177   connect(myEventsListener, SIGNAL(errorOccurred(const QString&)),
178           myErrorDlg, SLOT(addError(const QString&)));
179
180   //Config_PropManager::registerProp("Visualization", "object_default_color", "Object color",
181   //                                 Config_Prop::Color, "225,225,225");
182
183   Config_PropManager::registerProp("Visualization", "result_body_color", "Body color",
184                                    Config_Prop::Color, ModelAPI_ResultBody::DEFAULT_COLOR());
185   Config_PropManager::registerProp("Visualization", "result_group_color", "Group color",
186                                    Config_Prop::Color, ModelAPI_ResultGroup::DEFAULT_COLOR());
187   Config_PropManager::registerProp("Visualization", "result_construction_color", "Construction color",
188                                    Config_Prop::Color, ModelAPI_ResultConstruction::DEFAULT_COLOR());
189   Config_PropManager::registerProp("Visualization", "result_part_color", "Part color",
190                                    Config_Prop::Color, ModelAPI_ResultPart::DEFAULT_COLOR());
191   
192   myViewerSelMode = 
193     ModuleBase_Preferences::resourceMgr()->integerValue("Viewer", "selection", TopAbs_FACE);
194 }
195
196 //******************************************************
197 XGUI_Workshop::~XGUI_Workshop(void)
198 {
199   delete myDisplayer;
200 }
201
202 //******************************************************
203 void XGUI_Workshop::startApplication()
204 {
205   initMenu();
206
207   Config_PropManager::registerProp("Plugins", "default_path", "Default Path",
208                                    Config_Prop::Directory, "");
209
210   //Initialize event listening
211   myEventsListener->initializeEventListening();
212
213   registerValidators();
214
215   // Calling of  loadCustomProps before activating module is required
216   // by Config_PropManger to restore user-defined path to plugins
217   ModuleBase_Preferences::loadCustomProps();
218   createModule();
219
220 #ifndef HAVE_SALOME
221   myMainWindow->show();
222   updateCommandStatus();
223 #endif
224   
225   onNew();
226
227   myViewerProxy->connectViewProxy();
228   connect(myViewerProxy, SIGNAL(trihedronVisibilityChanged(bool)),
229           SLOT(onTrihedronVisibilityChanged(bool)));
230
231   emit applicationStarted();
232 }
233
234 void XGUI_Workshop::activateModule()
235 {
236   myModule->activateSelectionFilters();
237
238   connect(myDisplayer, SIGNAL(objectDisplayed(ObjectPtr, AISObjectPtr)),
239     myModule, SLOT(onObjectDisplayed(ObjectPtr, AISObjectPtr)));
240   connect(myDisplayer, SIGNAL(beforeObjectErase(ObjectPtr, AISObjectPtr)),
241     myModule, SLOT(onBeforeObjectErase(ObjectPtr, AISObjectPtr)));
242
243   updateCommandStatus();
244
245   // TODO: get default selection mode
246
247   // activate visualized objects in the viewer
248   activateObjectsSelection(displayer()->displayedObjects());
249   myOperationMgr->activate();
250 }
251
252 void XGUI_Workshop::deactivateModule()
253 {
254   myModule->deactivateSelectionFilters();
255
256   // remove internal displayer filter
257   displayer()->deactivateSelectionFilters();
258
259   disconnect(myDisplayer, SIGNAL(objectDisplayed(ObjectPtr, AISObjectPtr)),
260     myModule, SLOT(onObjectDisplayed(ObjectPtr, AISObjectPtr)));
261   disconnect(myDisplayer, SIGNAL(beforeObjectErase(ObjectPtr, AISObjectPtr)),
262     myModule, SLOT(onBeforeObjectErase(ObjectPtr, AISObjectPtr)));
263
264   XGUI_Displayer* aDisplayer = displayer();
265   QObjectPtrList aDisplayed = aDisplayer->displayedObjects();
266   aDisplayer->deactivateObjects(aDisplayed, true);
267
268   myOperationMgr->deactivate();
269 }
270
271 //******************************************************
272 void XGUI_Workshop::initMenu()
273 {
274   myContextMenuMgr->createActions();
275
276 #ifdef HAVE_SALOME
277   // Create only Undo, Redo commands
278   QAction* aAction = salomeConnector()->addDesktopCommand("UNDO_CMD", tr("Undo"),
279                                                         tr("Undo last command"),
280                                                         QIcon(":pictures/undo.png"),
281                                                         QKeySequence::Undo, false, "MEN_DESK_EDIT");
282   QString aToolBarTitle = tr( "INF_DESK_TOOLBAR_STANDARD" );
283   salomeConnector()->addActionInToolbar( aAction,aToolBarTitle  );
284
285   connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onUndo()));
286   addHistoryMenu(aAction, SIGNAL(updateUndoHistory(const QList<ActionInfo>&)), SLOT(onUndo(int)));
287
288   aAction = salomeConnector()->addDesktopCommand("REDO_CMD", tr("Redo"), tr("Redo last command"),
289                                               QIcon(":pictures/redo.png"), QKeySequence::Redo,
290                                               false, "MEN_DESK_EDIT");
291   salomeConnector()->addActionInToolbar( aAction, aToolBarTitle );
292
293   connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onRedo()));
294   addHistoryMenu(aAction, SIGNAL(updateRedoHistory(const QList<ActionInfo>&)), SLOT(onRedo(int)));
295
296   salomeConnector()->addDesktopMenuSeparator("MEN_DESK_EDIT");
297   //aAction = salomeConnector()->addDesktopCommand("REBUILD_CMD", tr("Rebuild"), tr("Rebuild data objects"),
298   //                                            QIcon(":pictures/rebuild.png"), QKeySequence(),
299   //                                            false, "MEN_DESK_EDIT");
300   //salomeConnector()->addActionInToolbar( aAction, aToolBarTitle );
301
302   //connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onRebuild()));
303   //salomeConnector()->addDesktopMenuSeparator("MEN_DESK_EDIT");
304
305   aAction = salomeConnector()->addDesktopCommand("SAVEAS_CMD", tr("Export native..."), tr("Export the current document into a native file"),
306                                               QIcon(), QKeySequence(),
307                                               false, "MEN_DESK_FILE");
308   connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onSaveAs()));
309
310   aAction = salomeConnector()->addDesktopCommand("OPEN_CMD", tr("Import native..."), tr("Import native file"),
311                                               QIcon(), QKeySequence(),
312                                               false, "MEN_DESK_FILE");
313   connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onOpen()));
314   salomeConnector()->addDesktopMenuSeparator("MEN_DESK_FILE");
315
316 #else
317   // File commands group
318   AppElements_MenuGroupPanel* aGroup = myMainWindow->menuObject()->generalPage();
319
320   AppElements_Command* aCommand;
321
322   aCommand = aGroup->addFeature("SAVE_CMD", tr("Save"), tr("Save the document"),
323                                 QIcon(":pictures/save.png"), QKeySequence::Save);
324   aCommand->connectTo(this, SLOT(onSave()));
325   //aCommand->disable();
326
327   aCommand = aGroup->addFeature("SAVEAS_CMD", tr("Save as..."), tr("Save the document into a file"),
328                                 QIcon(":pictures/save.png"), QKeySequence());
329   aCommand->connectTo(this, SLOT(onSaveAs()));
330
331   QString aUndoId = "UNDO_CMD";
332   aCommand = aGroup->addFeature(aUndoId, tr("Undo"), tr("Undo last command"),
333                                 QIcon(":pictures/undo.png"), QKeySequence::Undo);
334   aCommand->connectTo(this, SLOT(onUndo()));
335   AppElements_Button* aUndoButton = qobject_cast<AppElements_Button*>(aGroup->widget(aUndoId));
336   addHistoryMenu(aUndoButton,
337                  SIGNAL(updateUndoHistory(const QList<ActionInfo>&)),
338                  SLOT(onUndo(int)));
339
340   QString aRedoId = "REDO_CMD";
341   aCommand = aGroup->addFeature(aRedoId, tr("Redo"), tr("Redo last command"),
342                                 QIcon(":pictures/redo.png"), QKeySequence::Redo);
343   aCommand->connectTo(this, SLOT(onRedo()));
344   AppElements_Button* aRedoButton = qobject_cast<AppElements_Button*>(aGroup->widget(aRedoId));
345   addHistoryMenu(aRedoButton,
346                  SIGNAL(updateRedoHistory(const QList<ActionInfo>&)),
347                  SLOT(onRedo(int)));
348
349   //aCommand = aGroup->addFeature("REBUILD_CMD", tr("Rebuild"), tr("Rebuild data objects"),
350   //  QIcon(":pictures/rebuild.png"), QKeySequence());
351   //aCommand->connectTo(this, SLOT(onRebuild()));
352
353   //aCommand->disable();
354
355   aCommand = aGroup->addFeature("OPEN_CMD", tr("Open..."), tr("Open a new document"),
356                                 QIcon(":pictures/open.png"), QKeySequence::Open);
357   aCommand->connectTo(this, SLOT(onOpen()));
358
359   aCommand = aGroup->addFeature("PREF_CMD", tr("Preferences"), tr("Edit preferences"),
360                                 QIcon(":pictures/preferences.png"), QKeySequence::Preferences);
361   aCommand->connectTo(this, SLOT(onPreferences()));
362
363   aCommand = aGroup->addFeature("EXIT_CMD", tr("Exit"), tr("Exit application"),
364                                 QIcon(":pictures/close.png"), QKeySequence::Close);
365   aCommand->connectTo(this, SLOT(onExit()));
366 #endif
367 }
368
369 #ifndef HAVE_SALOME
370 AppElements_Workbench* XGUI_Workshop::addWorkbench(const QString& theName)
371 {
372   AppElements_MainMenu* aMenuBar = myMainWindow->menuObject();
373   return aMenuBar->addWorkbench(theName);
374 }
375 #endif
376
377 //******************************************************
378 QMainWindow* XGUI_Workshop::desktop() const
379 {
380 #ifdef HAVE_SALOME
381   return salomeConnector()->desktop();
382 #else
383   return myMainWindow;
384 #endif
385 }
386
387 //******************************************************
388 void XGUI_Workshop::onStartWaiting()
389 {
390   if (Events_LongOp::isPerformed()) {
391     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
392   }
393 }
394
395 //******************************************************
396 void XGUI_Workshop::onAcceptActionClicked()
397 {
398   QAction* anAction = dynamic_cast<QAction*>(sender());
399   XGUI_OperationMgr* anOperationMgr = operationMgr();
400   if (anOperationMgr) {
401     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
402                                                     (anOperationMgr->currentOperation());
403     if (aFOperation) {
404       //if (errorMgr()->canProcessClick(anAction, aFOperation->feature()))
405       myOperationMgr->onCommitOperation();
406     }
407   }
408 }
409
410 //******************************************************
411 void XGUI_Workshop::deactivateActiveObject(const ObjectPtr& theObject, const bool theUpdateViewer)
412 {
413   if (!myModule->canActivateSelection(theObject)) {
414     if (myDisplayer->isActive(theObject)) {
415       QObjectPtrList anObjects;
416       anObjects.append(theObject);
417       myDisplayer->deactivateObjects(anObjects, theUpdateViewer);
418     }
419   }
420 }
421
422 //******************************************************
423 bool XGUI_Workshop::isFeatureOfNested(const FeaturePtr& theFeature)
424 {
425   bool aHasNested = false;
426   std::string aFeatureKind = theFeature->getKind();
427 #ifdef HAVE_SALOME
428     XGUI_SalomeConnector* aSalomeConnector = salomeConnector();
429     if (aSalomeConnector->isFeatureOfNested(actionsMgr()->action(aFeatureKind.c_str())))
430       aHasNested = true;
431 #else 
432     AppElements_MainMenu* aMenuBar = mainWindow()->menuObject();
433     AppElements_Command* aCommand = aMenuBar->feature(aFeatureKind.c_str());
434     if (aCommand && aCommand->button()->additionalButtonWidget())
435       aHasNested = true;
436 #endif
437   return aHasNested;
438 }
439
440 void XGUI_Workshop::setPropertyPanel(ModuleBase_Operation* theOperation)
441 {
442   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
443   if (!aFOperation)
444     return;
445
446   showPropertyPanel();
447   myPropertyPanel->cleanContent();
448
449   QList<ModuleBase_ModelWidget*> aWidgets;
450   if (!module()->createWidgets(theOperation, aWidgets)) {
451     QString aXmlRepr = aFOperation->getDescription()->xmlRepresentation();
452     ModuleBase_WidgetFactory aFactory(aXmlRepr.toStdString(), myModuleConnector);
453     aFactory.createWidget(myPropertyPanel->contentWidget());
454     aWidgets = aFactory.getModelWidgets();
455   }
456
457   // check compatibility of feature and widgets
458   FeaturePtr aFeature = aFOperation->feature();
459   foreach (ModuleBase_ModelWidget* aWidget, aWidgets) {
460     if (!aWidget->attributeID().empty() && !aFeature->attribute(aWidget->attributeID()).get()) {
461       std::string anErrorMsg = "The feature '" + aFeature->getKind() + "' has no attribute '"
462           + aWidget->attributeID() + "' used by widget '"
463           + aWidget->metaObject()->className() + "'.";
464       Events_Error::send(anErrorMsg);
465       myPropertyPanel->cleanContent();
466       return;
467     }
468   }
469
470   foreach (ModuleBase_ModelWidget* aWidget, aWidgets) {
471     bool isStoreValue = !aFOperation->isEditOperation() &&
472                         !aWidget->getDefaultValue().empty() &&
473                         !aWidget->isComputedDefault();
474     aWidget->setFeature(aFOperation->feature(), isStoreValue);
475     aWidget->enableFocusProcessing();
476   }
477
478   myPropertyPanel->setModelWidgets(aWidgets);
479   aFOperation->setPropertyPanel(myPropertyPanel);
480
481   myModule->propertyPanelDefined(theOperation);
482
483 #ifndef DEBUG_FEATURE_NAME
484   myPropertyPanel->setWindowTitle(theOperation->getDescription()->description());
485 #else
486   std::string aFeatureName = aFeature->name();
487   myPropertyPanel->setWindowTitle(QString("%1: %2").arg(theOperation->getDescription()->description())
488                                                   .arg(aFeatureName.c_str()));
489 #endif
490
491   myErrorMgr->setPropertyPanel(myPropertyPanel);
492 }
493
494 void XGUI_Workshop::connectToPropertyPanel(const bool isToConnect)
495 {
496   XGUI_PropertyPanel* aPropertyPanel = propertyPanel();
497   if (aPropertyPanel) {
498     const QList<ModuleBase_ModelWidget*>& aWidgets = aPropertyPanel->modelWidgets();
499     foreach (ModuleBase_ModelWidget* aWidget, aWidgets) {
500        myModule->connectToPropertyPanel(aWidget, isToConnect);
501        if (isToConnect) {
502         connect(aWidget, SIGNAL(valueStateChanged(int)), this, SLOT(onWidgetStateChanged(int)));
503         connect(aWidget, SIGNAL(valuesChanged()), this, SLOT(onValuesChanged()));
504       }
505       else {
506         disconnect(aWidget, SIGNAL(valueStateChanged(int)), this, SLOT(onWidgetStateChanged(int)));
507         disconnect(aWidget, SIGNAL(valuesChanged()), this, SLOT(onValuesChanged()));
508       }
509     }
510   }
511 }
512
513 //******************************************************
514 void XGUI_Workshop::onOperationStarted(ModuleBase_Operation* theOperation)
515 {
516   setGrantedFeatures(theOperation);
517   myModule->operationStarted(theOperation);
518 }
519
520 //******************************************************
521 void XGUI_Workshop::onOperationResumed(ModuleBase_Operation* theOperation)
522 {
523   setGrantedFeatures(theOperation);
524
525   if (theOperation->getDescription()->hasXmlRepresentation()) {  //!< No need for property panel
526     setPropertyPanel(theOperation);
527     connectToPropertyPanel(true);
528   }
529   updateCommandStatus();
530
531   myModule->operationResumed(theOperation);
532 }
533
534
535 //******************************************************
536 void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
537 {
538   updateCommandStatus();
539
540   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
541                                                                         (theOperation);
542   if (!aFOperation)
543     return;
544
545   ModuleBase_ISelection* aSel = mySelector->selection();
546   QObjectPtrList aObj = aSel->selectedPresentations();
547   //!< No need for property panel
548   hidePropertyPanel();
549   myPropertyPanel->cleanContent();
550
551   connectToPropertyPanel(false);
552   myModule->operationStopped(aFOperation);
553
554   // the deactivated objects of the current operation should be activated back.
555   // They were deactivated on operation start or an object redisplay
556   QObjectPtrList anObjects;
557   FeaturePtr aFeature = aFOperation->feature();
558   if (aFeature.get()) { // feature may be not created (plugin load fail)
559     if (myDisplayer->isVisible(aFeature) && !myDisplayer->isActive(aFeature))
560       anObjects.append(aFeature);
561     std::list<ResultPtr> aResults = aFeature->results();
562     std::list<ResultPtr>::const_iterator aIt;
563     for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
564       ResultPtr anObject = *aIt;
565       if (myDisplayer->isVisible(anObject) && !myDisplayer->isActive(anObject)) {
566         anObjects.append(anObject);
567       }
568     }
569   }
570   activateObjectsSelection(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   } else if (theId == "SELECT_VERTEX_CMD") {
1164     setViewerSelectionMode(TopAbs_VERTEX);
1165   } else if (theId == "SELECT_EDGE_CMD") {
1166     setViewerSelectionMode(TopAbs_EDGE);
1167   } else if (theId == "SELECT_FACE_CMD") {
1168     setViewerSelectionMode(TopAbs_FACE);
1169   } else if (theId == "SELECT_RESULT_CMD") {
1170     setViewerSelectionMode(-1);
1171   }
1172 }
1173
1174 //**************************************************************
1175 void XGUI_Workshop::setViewerSelectionMode(int theMode)
1176 {
1177   myViewerSelMode = theMode;
1178   activateObjectsSelection(myDisplayer->displayedObjects());
1179 }
1180
1181 //**************************************************************
1182 void XGUI_Workshop::activateObjectsSelection(const QObjectPtrList& theList)
1183 {
1184   QIntList aModes;
1185   module()->activeSelectionModes(aModes);
1186   if (aModes.isEmpty() && (myViewerSelMode != -1))
1187     aModes.append(myViewerSelMode);
1188   myDisplayer->activateObjects(aModes, theList);
1189 }
1190
1191
1192 //**************************************************************
1193 void XGUI_Workshop::deleteObjects()
1194 {
1195   ModuleBase_IModule* aModule = module();
1196   // 1. allow the module to delete objects, do nothing if it has succeed
1197   if (aModule->deleteObjects()) {
1198     updateCommandStatus();
1199     return;
1200   }
1201
1202   QObjectPtrList anObjects = mySelector->selection()->selectedObjects();
1203   if (!abortAllOperations())
1204     return;
1205   // check whether the object can be deleted. There should not be parts which are not loaded
1206   if (!XGUI_Tools::canRemoveOrRename(desktop(), anObjects))
1207     return;
1208
1209   bool hasResult = false;
1210   bool hasFeature = false;
1211   bool hasParameter = false;
1212   bool hasSubFeature = false;
1213   ModuleBase_Tools::checkObjects(anObjects, hasResult, hasFeature, hasParameter, hasSubFeature);
1214   if (!(hasFeature || hasParameter))
1215     return;
1216
1217   // 3. delete objects
1218   std::set<FeaturePtr> anIgnoredFeatures;
1219   std::set<FeaturePtr> aDirectRefFeatures, aIndirectRefFeatures;
1220   findReferences(anObjects, aDirectRefFeatures, aIndirectRefFeatures);
1221
1222   bool doDeleteReferences = true;
1223   if (isDeleteFeatureWithReferences(anObjects, aDirectRefFeatures, aIndirectRefFeatures,
1224                                     desktop(), doDeleteReferences)) {
1225     // start operation
1226     QString aDescription = contextMenuMgr()->action("DELETE_CMD")->text();
1227     aDescription += " " + aDescription.arg(XGUI_Tools::unionOfObjectNames(anObjects, ", "));
1228     ModuleBase_OperationAction* anOpAction = new ModuleBase_OperationAction(aDescription, module());
1229     operationMgr()->startOperation(anOpAction);
1230
1231     // WORKAROUND, should be done before each object remove, if it presents in XGUI_DataModel tree
1232     // It is necessary to clear selection in order to avoid selection changed event during
1233     // deletion and negative consequences connected with processing of already deleted items
1234     mySelector->clearSelection();
1235
1236     // delete and commit/abort operation in model
1237     if (deleteFeaturesInternal(anObjects, aDirectRefFeatures, aIndirectRefFeatures,
1238                                anIgnoredFeatures, doDeleteReferences))
1239       operationMgr()->commitOperation();
1240     else
1241       operationMgr()->abortOperation(operationMgr()->currentOperation());
1242   }
1243 }
1244
1245 //**************************************************************
1246 void XGUI_Workshop::cleanHistory()
1247 {
1248   if (!abortAllOperations())
1249     return;
1250
1251   QObjectPtrList anObjects = mySelector->selection()->selectedObjects();
1252   QObjectPtrList aFeatures;
1253   foreach (ObjectPtr anObject, anObjects) {
1254     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
1255     // for parameter result, use the corresponded reature to be removed
1256     if (!aFeature.get() && anObject->groupName() == ModelAPI_ResultParameter::group()) {
1257       aFeature = ModelAPI_Feature::feature(anObject);
1258     }
1259     aFeatures.append(aFeature);
1260   }
1261
1262   // 1. find all referenced features
1263   QList<ObjectPtr> anUnusedObjects;
1264   std::set<FeaturePtr> aDirectRefFeatures;
1265   //foreach (ObjectPtr anObject, anObjects) {
1266   foreach (ObjectPtr anObject, aFeatures) {
1267     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
1268     // for parameter result, use the corresponded reature to be removed
1269     //if (!aFeature.get() && anObject->groupName() == ModelAPI_ResultParameter::group()) {
1270     //  aFeature = ModelAPI_Feature::feature(anObject);
1271     //}
1272     if (aFeature.get()) {
1273       std::set<FeaturePtr> alreadyProcessed;
1274       aDirectRefFeatures.clear();
1275       XGUI_Tools::refsDirectToFeatureInAllDocuments(aFeature, aFeature, aFeatures,
1276                                                     aDirectRefFeatures, alreadyProcessed);
1277       if (aDirectRefFeatures.empty() && !anUnusedObjects.contains(aFeature))
1278         anUnusedObjects.append(aFeature);
1279     }
1280   }
1281
1282   // 2. warn about the references remove, break the delete operation if the user chose it
1283   if (!anUnusedObjects.empty()) {
1284     QStringList aNames;
1285     foreach (const ObjectPtr& anObject, anUnusedObjects) {
1286       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
1287       aNames.append(aFeature->name().c_str());
1288     }
1289     QString anUnusedNames = aNames.join(", ");
1290
1291     QString anActionId = "CLEAN_HISTORY_CMD";
1292     QString aDescription = contextMenuMgr()->action(anActionId)->text();
1293
1294     QMessageBox aMessageBox(desktop());
1295     aMessageBox.setWindowTitle(aDescription);
1296     aMessageBox.setIcon(QMessageBox::Warning);
1297     aMessageBox.setStandardButtons(QMessageBox::No | QMessageBox::Yes);
1298     aMessageBox.setDefaultButton(QMessageBox::No);
1299
1300     QString aText = QString(tr("Unused features are the following: %1.\nThese features will be deleted.\nWould you like to continue?")
1301                    .arg(anUnusedNames));
1302     /*QString aText;
1303     if (anUnusedNames.isEmpty()) {
1304       aMessageBox.setStandardButtons(QMessageBox::Ok);
1305       aMessageBox.setDefaultButton(QMessageBox::Ok);
1306
1307       aText = QString(tr("All features are relevant, there is nothing to be deleted"));
1308     }
1309     else {
1310       aMessageBox.setStandardButtons(QMessageBox::No | QMessageBox::Yes);
1311       aMessageBox.setDefaultButton(QMessageBox::No);
1312
1313       aText = QString(tr("Unused features are the following: %1.\nThese features will be deleted.\nWould you like to continue?")
1314         .arg(anUnusedNames));
1315     }*/
1316
1317     aMessageBox.setText(aText);
1318     if (aMessageBox.exec() == QMessageBox::No)
1319       return;
1320
1321     // 1. start operation
1322     aDescription += "by deleting of " + aDescription.arg(XGUI_Tools::unionOfObjectNames(anObjects, ", "));
1323     ModuleBase_OperationAction* anOpAction = new ModuleBase_OperationAction(aDescription, module());
1324     operationMgr()->startOperation(anOpAction);
1325
1326     // WORKAROUND, should be done before each object remove, if it presents in XGUI_DataModel tree
1327     // It is necessary to clear selection in order to avoid selection changed event during
1328     // deletion and negative consequences connected with processing of already deleted items
1329     mySelector->clearSelection();
1330
1331     std::set<FeaturePtr> anIgnoredFeatures;
1332     if (removeFeatures(anUnusedObjects, anIgnoredFeatures, anActionId)) {
1333       operationMgr()->commitOperation();
1334     }
1335     else {
1336       operationMgr()->abortOperation(operationMgr()->currentOperation());
1337     }
1338   }
1339   else {
1340     QString anActionId = "CLEAN_HISTORY_CMD";
1341     QString aDescription = contextMenuMgr()->action(anActionId)->text();
1342
1343     QMessageBox aMessageBox(desktop());
1344     aMessageBox.setWindowTitle(aDescription);
1345     aMessageBox.setIcon(QMessageBox::Warning);
1346     aMessageBox.setStandardButtons(QMessageBox::No | QMessageBox::Yes);
1347     aMessageBox.setDefaultButton(QMessageBox::No);
1348
1349     QString aText;
1350     aMessageBox.setStandardButtons(QMessageBox::Ok);
1351     aMessageBox.setDefaultButton(QMessageBox::Ok);
1352
1353     aText = QString(tr("All features are relevant, there is nothing to be deleted"));
1354     aMessageBox.setText(aText);
1355
1356     if (aMessageBox.exec() == QMessageBox::No)
1357       return;
1358   }
1359 }
1360
1361 //**************************************************************
1362 void XGUI_Workshop::moveObjects()
1363 {
1364   if (!abortAllOperations())
1365     return;
1366
1367   SessionPtr aMgr = ModelAPI_Session::get();
1368
1369   QString anActionId = "MOVE_CMD";
1370   QString aDescription = contextMenuMgr()->action(anActionId)->text();
1371   aMgr->startOperation(aDescription.toStdString());
1372
1373   QObjectPtrList anObjects = mySelector->selection()->selectedObjects();
1374   // It is necessary to clear selection in order to avoid selection changed event during
1375   // moving and negative consequences connected with processing of already moved items
1376   mySelector->clearSelection();
1377   // check whether the object can be moved. There should not be parts which are not loaded
1378   if (!XGUI_Tools::canRemoveOrRename(desktop(), anObjects))
1379     return;
1380
1381   DocumentPtr anActiveDocument = aMgr->activeDocument();
1382   FeaturePtr aCurrentFeature = anActiveDocument->currentFeature(true);
1383   foreach (ObjectPtr aObject, anObjects) {
1384     if (!myModule->canApplyAction(aObject, anActionId))
1385       continue;
1386
1387     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObject);
1388     if (aFeature.get()) {
1389       anActiveDocument->moveFeature(aFeature, aCurrentFeature);
1390       aCurrentFeature = anActiveDocument->currentFeature(true);
1391     }
1392   }
1393   aMgr->finishOperation();
1394 }
1395
1396 //**************************************************************
1397 void XGUI_Workshop::findReferences(const QObjectPtrList& theList,
1398                                    std::set<FeaturePtr>& aDirectRefFeatures,
1399                                    std::set<FeaturePtr>& aIndirectRefFeatures)
1400 {
1401   foreach (ObjectPtr aDeletedObj, theList) {
1402     std::set<FeaturePtr> alreadyProcessed;
1403     XGUI_Tools::refsToFeatureInAllDocuments(aDeletedObj, aDeletedObj, theList, aDirectRefFeatures,
1404                                             aIndirectRefFeatures, alreadyProcessed);
1405     std::set<FeaturePtr> aDifference;
1406     std::set_difference(aIndirectRefFeatures.begin(), aIndirectRefFeatures.end(), 
1407                         aDirectRefFeatures.begin(), aDirectRefFeatures.end(), 
1408                         std::inserter(aDifference, aDifference.begin()));
1409     aIndirectRefFeatures = aDifference;
1410   }
1411 }
1412
1413 bool XGUI_Workshop::isDeleteFeatureWithReferences(const QObjectPtrList& theList,
1414                                    const std::set<FeaturePtr>& aDirectRefFeatures,
1415                                    const std::set<FeaturePtr>& aIndirectRefFeatures,
1416                                    QWidget* theParent,
1417                                    bool& doDeleteReferences)
1418 {
1419   doDeleteReferences = true;
1420
1421   QString aDirectNames, aIndirectNames;
1422   if (!aDirectRefFeatures.empty()) {
1423     QStringList aDirectRefNames;
1424     foreach (const FeaturePtr& aFeature, aDirectRefFeatures)
1425       aDirectRefNames.append(aFeature->name().c_str());
1426     aDirectNames = aDirectRefNames.join(", ");
1427
1428     QStringList aIndirectRefNames;
1429     foreach (const FeaturePtr& aFeature, aIndirectRefFeatures)
1430       aIndirectRefNames.append(aFeature->name().c_str());
1431     aIndirectNames = aIndirectRefNames.join(", ");
1432   }
1433
1434   bool aCanReplaceParameters = !aDirectRefFeatures.empty();
1435   QStringList aPartFeatureNames;
1436   foreach (ObjectPtr aObj, theList) {
1437     FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
1438     // invalid feature data means that the feature is already removed in model,
1439     // we needn't process it. E.g. delete of feature from create operation. The operation abort
1440     // will delete the operation
1441     if (!aFeature->data()->isValid())
1442       continue;
1443     ResultPtr aFirstResult = aFeature->firstResult();
1444     if (!aFirstResult.get())
1445       continue;
1446     std::string aResultGroupName = aFirstResult->groupName();
1447     if (aResultGroupName == ModelAPI_ResultPart::group())
1448       aPartFeatureNames.append(aFeature->name().c_str());
1449
1450     if (aCanReplaceParameters && aResultGroupName != ModelAPI_ResultParameter::group())
1451       aCanReplaceParameters = false;
1452   }
1453   QString aPartNames = aPartFeatureNames.join(", ");
1454
1455   QMessageBox aMessageBox(theParent);
1456   aMessageBox.setWindowTitle(tr("Delete features"));
1457   aMessageBox.setIcon(QMessageBox::Warning);
1458   aMessageBox.setStandardButtons(QMessageBox::No | QMessageBox::Yes);
1459   aMessageBox.setDefaultButton(QMessageBox::No);
1460
1461   QString aText;
1462   if (!aDirectNames.isEmpty() || !aIndirectNames.isEmpty()) {
1463     if (aCanReplaceParameters) {
1464       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")
1465                       .arg(aDirectNames));
1466       if (!aIndirectNames.isEmpty())
1467         aText += QString(tr("(Also these features will be deleted: %1)\n")).arg(aIndirectNames);
1468       QPushButton *aReplaceButton = aMessageBox.addButton(tr("Replace"), QMessageBox::ActionRole);
1469     } else {
1470       aText = QString(tr("Selected features are used in the following features: %1.\nThese features will be deleted.\n")).arg(aDirectNames);
1471       if (!aIndirectNames.isEmpty())
1472         aText += QString(tr("(Also these features will be deleted: %1)\n")).arg(aIndirectNames);
1473     }
1474   }
1475   if (!aPartNames.isEmpty())
1476     aText += QString(tr("The following parts will be deleted: %1.\n")).arg(aPartNames);
1477
1478   if (!aText.isEmpty()) {
1479     aText += "Would you like to continue?";
1480     aMessageBox.setText(aText);
1481     aMessageBox.exec();
1482     QMessageBox::ButtonRole aButtonRole = aMessageBox.buttonRole(aMessageBox.clickedButton());
1483
1484     if (aButtonRole == QMessageBox::NoRole)
1485       return false;
1486
1487     if (aButtonRole == QMessageBox::ActionRole) {
1488       foreach (ObjectPtr aObj, theList)
1489         ModelAPI_ReplaceParameterMessage::send(aObj, this);
1490       doDeleteReferences = false;
1491     }
1492   }
1493   return true;
1494 }
1495
1496 bool XGUI_Workshop::deleteFeatures(const QObjectPtrList& theFeatures,
1497                                    const std::set<FeaturePtr>& theIgnoredFeatures)
1498 {
1499   std::set<FeaturePtr> aDirectRefFeatures, aIndirectRefFeatures;
1500   findReferences(theFeatures, aDirectRefFeatures, aIndirectRefFeatures);
1501   return deleteFeaturesInternal(theFeatures, aDirectRefFeatures, aIndirectRefFeatures,
1502                                 theIgnoredFeatures);
1503 }
1504
1505 bool XGUI_Workshop::deleteFeaturesInternal(const QObjectPtrList& theList,
1506                                            const std::set<FeaturePtr>& aDirectRefFeatures,
1507                                            const std::set<FeaturePtr>& aIndirectRefFeatures,
1508                                            const std::set<FeaturePtr>& theIgnoredFeatures,
1509                                            const bool doDeleteReferences)
1510 {
1511   if (doDeleteReferences) {
1512     std::set<FeaturePtr> aFeaturesToDelete = aDirectRefFeatures;
1513     aFeaturesToDelete.insert(aIndirectRefFeatures.begin(), aIndirectRefFeatures.end());
1514     std::set<FeaturePtr>::const_iterator anIt = aFeaturesToDelete.begin(),
1515                                          aLast = aFeaturesToDelete.end();
1516 #ifdef DEBUG_DELETE
1517     QStringList anInfo;
1518 #endif
1519     for (; anIt != aLast; anIt++) {
1520       FeaturePtr aFeature = (*anIt);
1521       DocumentPtr aDoc = aFeature->document();
1522       if (theIgnoredFeatures.find(aFeature) == theIgnoredFeatures.end()) {
1523         aDoc->removeFeature(aFeature);
1524 #ifdef DEBUG_DELETE
1525         anInfo.append(ModuleBase_Tools::objectInfo(aFeature).toStdString().c_str());
1526 #endif
1527       }
1528     }
1529 #ifdef DEBUG_DELETE
1530     qDebug(QString("remove references:%1").arg(anInfo.join("; ")).toStdString().c_str());
1531     anInfo.clear();
1532 #endif
1533   }
1534
1535   QString anActionId = "DELETE_CMD";
1536   return removeFeatures(theList, theIgnoredFeatures, anActionId);
1537 }
1538
1539 //**************************************************************
1540 bool XGUI_Workshop::removeFeatures(const QObjectPtrList& theList,
1541                                    const std::set<FeaturePtr>& theIgnoredFeatures,
1542                                    const QString& theActionId)
1543 {
1544   bool isDone = false;
1545
1546   QString anId = QString::fromStdString(theActionId.toStdString().c_str());
1547   QStringList anObjectGroups = contextMenuMgr()->actionObjectGroups(anId);
1548   // 4. remove the parameter features
1549   foreach (ObjectPtr aObj, theList) {
1550     // features and parameters can be removed here,
1551     // the results are removed only by a corresponded feature remove
1552     std::string aGroupName = aObj->groupName();
1553     if (!anObjectGroups.contains(aGroupName.c_str()))
1554       continue;
1555
1556     FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
1557     if (aFeature) {
1558       /*// TODO: to learn the workshop to delegate the Part object deletion to the PartSet module
1559       // part features are removed in the PartSet module. This condition should be moved there
1560       if (aFeature->getKind() == "Part")
1561         continue;
1562         */
1563       DocumentPtr aDoc = aObj->document();
1564       if (theIgnoredFeatures.find(aFeature) == theIgnoredFeatures.end()) {
1565 #ifdef DEBUG_DELETE
1566         QString anInfoStr = ModuleBase_Tools::objectInfo(aFeature);
1567         anInfo.append(anInfoStr);
1568         qDebug(QString("remove feature :%1").arg(anInfoStr).toStdString().c_str());
1569 #endif
1570         aDoc->removeFeature(aFeature);
1571         isDone = true;
1572       }
1573     }
1574   }
1575 #ifdef DEBUG_DELETE
1576   qDebug(QString("remove features:%1").arg(anInfo.join("; ")).toStdString().c_str());
1577 #endif
1578   return true;
1579 }
1580
1581 bool hasResults(QObjectPtrList theObjects, const std::set<std::string>& theTypes)
1582 {
1583   bool isFoundResultType = false;
1584   foreach(ObjectPtr anObj, theObjects)
1585   {
1586     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
1587     if (aResult.get() == NULL)
1588       continue;
1589
1590     isFoundResultType = theTypes.find(aResult->groupName()) != theTypes.end();
1591     if (isFoundResultType)
1592       break;
1593   }
1594   return isFoundResultType;
1595 }
1596
1597 //**************************************************************
1598 // Returns the list of all features for theDocument and all features of
1599 // all nested parts.
1600 std::list<FeaturePtr> allFeatures(const DocumentPtr& theDocument)
1601 {
1602   std::list<FeaturePtr> aResultList;
1603   std::list<FeaturePtr> anAllFeatures = theDocument->allFeatures();
1604   foreach (const FeaturePtr& aFeature, anAllFeatures) {
1605     // The order of appending features of the part and the part itself is important
1606
1607     // Append features from a part feature
1608     foreach (const ResultPtr& aResult, aFeature->results()) {
1609       ResultPartPtr aResultPart =
1610           std::dynamic_pointer_cast<ModelAPI_ResultPart>(aResult);
1611       if (aResultPart.get() && aResultPart->partDoc().get()) {
1612         // Recursion
1613         std::list<FeaturePtr> anAllFeatures = allFeatures(aResultPart->partDoc());
1614         aResultList.insert(aResultList.end(), anAllFeatures.begin(), anAllFeatures.end());
1615       }
1616     }
1617
1618     aResultList.push_back(aFeature);
1619   }
1620   return aResultList;
1621 }
1622
1623 //**************************************************************
1624 // Returns the list of features placed between theObject and the current feature
1625 // in the same document. Excludes theObject, includes the current feature.
1626 std::list<FeaturePtr> toCurrentFeatures(const ObjectPtr& theObject)
1627 {
1628   std::list<FeaturePtr> aResult;
1629   DocumentPtr aDocument = theObject->document();
1630   std::list<FeaturePtr> anAllFeatures = allFeatures(aDocument);
1631   // find the object iterator
1632   std::list<FeaturePtr>::iterator aObjectIt = std::find(anAllFeatures.begin(), anAllFeatures.end(), theObject);
1633   if (aObjectIt == anAllFeatures.end())
1634     return aResult;
1635   // find the current feature iterator
1636   std::list<FeaturePtr>::iterator aCurrentIt = std::find(anAllFeatures.begin(), anAllFeatures.end(), aDocument->currentFeature(true));
1637   if (aCurrentIt == anAllFeatures.end())
1638     return aResult;
1639   // check the right order
1640   if (std::distance(aObjectIt, anAllFeatures.end()) <= std::distance(aCurrentIt, anAllFeatures.end()))
1641     return aResult;
1642   // exclude the object
1643   std::advance(aObjectIt, 1);
1644   // include the current feature
1645   std::advance(aCurrentIt, 1);
1646   return std::list<FeaturePtr>(aObjectIt, aCurrentIt);
1647 }
1648
1649 bool XGUI_Workshop::canMoveFeature()
1650 {
1651   QString anActionId = "MOVE_CMD";
1652
1653   QObjectPtrList aObjects = mySelector->selection()->selectedObjects();
1654   QObjectPtrList aValidatedObjects;
1655   foreach (ObjectPtr aObject, aObjects) {
1656     if (!myModule->canApplyAction(aObject, anActionId))
1657       continue;
1658     // To be moved feature should be in active document
1659     if (aObject->document() != ModelAPI_Session::get()->activeDocument())
1660       continue;
1661     aValidatedObjects.append(aObject);
1662   }
1663   if (aValidatedObjects.size() != aObjects.size())
1664     aObjects = aValidatedObjects;
1665
1666   bool aCanMove = !aObjects.empty();
1667
1668   QObjectPtrList::const_iterator anIt = aObjects.begin(), aLast = aObjects.end();
1669   for (; anIt != aLast && aCanMove; anIt++) {
1670     ObjectPtr aObject = *anIt;
1671     // 1. Get features placed between selected and current in the document 
1672     std::list<FeaturePtr> aFeaturesBetween = toCurrentFeatures(aObject);
1673     // if aFeaturesBetween is empty it means wrong order or aObject is the current feature
1674     if (aFeaturesBetween.empty())
1675       aCanMove = false;
1676     else {
1677       std::set<FeaturePtr> aPlacedFeatures(aFeaturesBetween.begin(), aFeaturesBetween.end());
1678       // 2. Get all reference features to the selected object in the document 
1679       std::set<FeaturePtr> aRefFeatures;
1680       XGUI_Tools::refsToFeatureInFeatureDocument(aObject, aRefFeatures);
1681
1682       if (aRefFeatures.empty())
1683         continue;
1684       else {
1685         // 3. Find any placed features in all reference features
1686         std::set<FeaturePtr> aIntersectionFeatures;
1687         std::set_intersection(aRefFeatures.begin(), aRefFeatures.end(),
1688                               aPlacedFeatures.begin(), aPlacedFeatures.end(),
1689                               std::inserter(aIntersectionFeatures, aIntersectionFeatures.begin()));
1690         // 4. Return false if any reference feature is placed before current feature
1691         if (!aIntersectionFeatures.empty())
1692           aCanMove = false;
1693       }
1694     }
1695   }
1696   return aCanMove;
1697 }
1698
1699 //**************************************************************
1700 bool XGUI_Workshop::canBeShaded(const ObjectPtr& theObject) const
1701 {
1702   bool aCanBeShaded = myDisplayer->canBeShaded(theObject);
1703   if (!aCanBeShaded) {
1704     ResultCompSolidPtr aCompsolidResult =
1705                 std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(theObject);
1706     if (aCompsolidResult.get() != NULL) { // change colors for all sub-solids
1707       for(int i = 0; i < aCompsolidResult->numberOfSubs() && !aCanBeShaded; i++)
1708         aCanBeShaded = myDisplayer->canBeShaded(aCompsolidResult->subResult(i));
1709     }
1710   }
1711   return aCanBeShaded;
1712 }
1713
1714 //**************************************************************
1715 bool XGUI_Workshop::canChangeColor() const
1716 {
1717   QObjectPtrList aObjects = mySelector->selection()->selectedObjects();
1718
1719   std::set<std::string> aTypes;
1720   aTypes.insert(ModelAPI_ResultGroup::group());
1721   aTypes.insert(ModelAPI_ResultConstruction::group());
1722   aTypes.insert(ModelAPI_ResultBody::group());
1723   aTypes.insert(ModelAPI_ResultPart::group());
1724
1725   return hasResults(aObjects, aTypes);
1726 }
1727
1728 void setColor(ResultPtr theResult, const std::vector<int>& theColor)
1729 {
1730   if (!theResult.get())
1731     return;
1732
1733   AttributeIntArrayPtr aColorAttr = theResult->data()->intArray(ModelAPI_Result::COLOR_ID());
1734   if (aColorAttr.get() != NULL) {
1735     if (!aColorAttr->size()) {
1736       aColorAttr->setSize(3);
1737     }
1738     aColorAttr->setValue(0, theColor[0]);
1739     aColorAttr->setValue(1, theColor[1]);
1740     aColorAttr->setValue(2, theColor[2]);
1741   }
1742 }
1743
1744 //**************************************************************
1745 void XGUI_Workshop::changeColor(const QObjectPtrList& theObjects)
1746 {
1747
1748   AttributeIntArrayPtr aColorAttr;
1749   // 1. find the current color of the object. This is a color of AIS presentation
1750   // The objects are iterated until a first valid color is found 
1751   std::vector<int> aColor;
1752   foreach(ObjectPtr anObject, theObjects) {
1753     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
1754     if (aResult.get()) {
1755       XGUI_CustomPrs::getResultColor(aResult, aColor);
1756     }
1757     else {
1758       // TODO: remove the obtaining a color from the AIS object
1759       // this does not happen never because:
1760       // 1. The color can be changed only on results
1761       // 2. The result can be not visualized in the viewer(e.g. Origin Construction)
1762       AISObjectPtr anAISObj = myDisplayer->getAISObject(anObject);
1763       if (anAISObj.get()) {
1764         aColor.resize(3);
1765         anAISObj->getColor(aColor[0], aColor[1], aColor[2]);
1766       }
1767     }
1768     if (!aColor.empty())
1769       break;
1770   }
1771   if (aColor.size() != 3)
1772     return;
1773
1774   if (!abortAllOperations())
1775   return; 
1776   // 2. show the dialog to change the value
1777   XGUI_ColorDialog* aDlg = new XGUI_ColorDialog(desktop());
1778   aDlg->setColor(aColor);
1779   aDlg->move(QCursor::pos());
1780   bool isDone = aDlg->exec() == QDialog::Accepted;
1781   if (!isDone)
1782     return;
1783
1784   bool isRandomColor = aDlg->isRandomColor();
1785
1786   // 3. abort the previous operation and start a new one
1787   SessionPtr aMgr = ModelAPI_Session::get();
1788   QString aDescription = contextMenuMgr()->action("COLOR_CMD")->text();
1789   aMgr->startOperation(aDescription.toStdString());
1790
1791   // 4. set the value to all results
1792   std::vector<int> aColorResult = aDlg->getColor();
1793   foreach(ObjectPtr anObj, theObjects) {
1794     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
1795     if (aResult.get() != NULL) {
1796       ResultCompSolidPtr aCompsolidResult = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aResult);
1797       if (aCompsolidResult.get() != NULL) { // change colors for all sub-solids
1798         for(int i = 0; i < aCompsolidResult->numberOfSubs(); i++) {
1799           setColor(aCompsolidResult->subResult(i), !isRandomColor ? aColorResult : aDlg->getRandomColor());
1800         }
1801       }
1802       setColor(aResult, !isRandomColor ? aColorResult : aDlg->getRandomColor());
1803     }
1804   }
1805   aMgr->finishOperation();
1806   updateCommandStatus();
1807 }
1808
1809 //**************************************************************
1810 #define SET_DISPLAY_GROUP(aGroupName, aDisplay) \
1811 for (int i = 0; i < aDoc->size(aGroupName); i++) { \
1812   aDoc->object(aGroupName, i)->setDisplayed(aDisplay); \
1813 }
1814 void XGUI_Workshop::showObjects(const QObjectPtrList& theList, bool isVisible)
1815 {
1816   foreach (ObjectPtr aObj, theList) {
1817     /*
1818     ResultPartPtr aPartRes = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
1819     if (aPartRes) {
1820       DocumentPtr aDoc = aPartRes->partDoc();
1821       SET_DISPLAY_GROUP(ModelAPI_ResultBody::group(), isVisible)
1822       SET_DISPLAY_GROUP(ModelAPI_ResultConstruction::group(), isVisible)
1823       SET_DISPLAY_GROUP(ModelAPI_ResultGroup::group(), isVisible)
1824     } else {
1825     */
1826       aObj->setDisplayed(isVisible);
1827     //}
1828   }
1829   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1830 }
1831
1832 //**************************************************************
1833 void XGUI_Workshop::showOnlyObjects(const QObjectPtrList& theList)
1834 {
1835   // Hide all displayed objects
1836   QObjectPtrList aList = myDisplayer->displayedObjects();
1837   foreach (ObjectPtr aObj, aList) {
1838     if (module()->canEraseObject(aObj))
1839       aObj->setDisplayed(false);
1840   }
1841
1842   // Show only objects from the list
1843   foreach (ObjectPtr aObj, theList) {
1844     /*
1845     ResultPartPtr aPartRes = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
1846     if (aPartRes) {
1847       DocumentPtr aDoc = aPartRes->partDoc();
1848       SET_DISPLAY_GROUP(ModelAPI_ResultBody::group(), true)
1849       SET_DISPLAY_GROUP(ModelAPI_ResultConstruction::group(), true)
1850       SET_DISPLAY_GROUP(ModelAPI_ResultGroup::group(), true)
1851     } else {
1852     */
1853       aObj->setDisplayed(true);
1854     //}
1855   }
1856   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1857
1858 }
1859
1860
1861 //**************************************************************
1862 void XGUI_Workshop::registerValidators() const
1863 {
1864   SessionPtr aMgr = ModelAPI_Session::get();
1865   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
1866 }
1867
1868 //**************************************************************
1869 void XGUI_Workshop::displayDocumentResults(DocumentPtr theDoc)
1870 {
1871   if (!theDoc)
1872     return;
1873   displayGroupResults(theDoc, ModelAPI_ResultConstruction::group());
1874   displayGroupResults(theDoc, ModelAPI_ResultBody::group());
1875 }
1876
1877 //**************************************************************
1878 void XGUI_Workshop::displayGroupResults(DocumentPtr theDoc, std::string theGroup)
1879 {
1880   for (int i = 0; i < theDoc->size(theGroup); i++) 
1881     theDoc->object(theGroup, i)->setDisplayed(true);
1882     //displayObject(theDoc->object(theGroup, i));
1883   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1884 }
1885
1886 //**************************************************************
1887 void XGUI_Workshop::setDisplayMode(const QObjectPtrList& theList, int theMode)
1888 {
1889   foreach(ObjectPtr aObj, theList) {
1890     myDisplayer->setDisplayMode(aObj, (XGUI_Displayer::DisplayMode)theMode, false);
1891
1892     ResultCompSolidPtr aCompsolidResult = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aObj);
1893     if (aCompsolidResult.get() != NULL) { // change colors for all sub-solids
1894       for(int i = 0; i < aCompsolidResult->numberOfSubs(); i++) {
1895           myDisplayer->setDisplayMode(aCompsolidResult->subResult(i),
1896                                       (XGUI_Displayer::DisplayMode)theMode, false);
1897       }
1898     }
1899   }
1900   if (theList.size() > 0)
1901     myDisplayer->updateViewer();
1902 }
1903
1904 //**************************************************************
1905 void XGUI_Workshop::closeDocument()
1906 {
1907   ModuleBase_Operation* anOperation = operationMgr()->currentOperation();
1908   while (anOperation) {
1909     anOperation->abort();
1910     anOperation = operationMgr()->currentOperation();
1911   }
1912   myDisplayer->closeLocalContexts();
1913   myDisplayer->eraseAll();
1914   objectBrowser()->clearContent();
1915
1916   module()->closeDocument();
1917
1918   SessionPtr aMgr = ModelAPI_Session::get();
1919   aMgr->closeAll();
1920 }
1921
1922 void XGUI_Workshop::addHistoryMenu(QObject* theObject, const char* theSignal, const char* theSlot)
1923 {
1924   XGUI_HistoryMenu* aMenu = NULL;
1925   if (isSalomeMode()) {
1926     QAction* anAction = qobject_cast<QAction*>(theObject);
1927     if (!anAction)
1928       return;
1929     aMenu = new XGUI_HistoryMenu(anAction);
1930   } else {
1931     QToolButton* aButton =  qobject_cast<QToolButton*>(theObject);
1932     aMenu = new XGUI_HistoryMenu(aButton);
1933   }
1934   connect(this, theSignal, aMenu, SLOT(setHistory(const QList<ActionInfo>&)));
1935   connect(aMenu, SIGNAL(actionSelected(int)), this, theSlot);
1936 }
1937
1938 QList<ActionInfo> XGUI_Workshop::processHistoryList(const std::list<std::string>& theList) const
1939 {
1940   QList<ActionInfo> aResult;
1941   std::list<std::string>::const_iterator it = theList.cbegin();
1942   for (; it != theList.cend(); it++) {
1943     QString anId = QString::fromStdString(*it);
1944     bool isEditing = anId.endsWith(ModuleBase_OperationFeature::EditSuffix());
1945     if (isEditing) {
1946       anId.chop(ModuleBase_OperationFeature::EditSuffix().size());
1947     }
1948     ActionInfo anInfo;
1949     QAction* aContextMenuAct = myContextMenuMgr->actionByName(anId);
1950     if (aContextMenuAct) {
1951       anInfo.initFrom(aContextMenuAct);
1952     } else {
1953       anInfo = myActionsMgr->actionInfoById(anId);
1954     }
1955     if (isEditing) {
1956       anInfo.text = anInfo.text.prepend("Modify ");
1957     }
1958     aResult << anInfo;
1959   }
1960   return aResult;
1961 }
1962
1963 void XGUI_Workshop::synchronizeViewer()
1964 {
1965   SessionPtr aMgr = ModelAPI_Session::get();
1966   DocumentPtr aDoc = aMgr->activeDocument();
1967
1968   synchronizeGroupInViewer(aDoc, ModelAPI_ResultConstruction::group(), false);
1969   synchronizeGroupInViewer(aDoc, ModelAPI_ResultBody::group(), false);
1970   synchronizeGroupInViewer(aDoc, ModelAPI_ResultPart::group(), false);
1971   synchronizeGroupInViewer(aDoc, ModelAPI_ResultGroup::group(), false);
1972 }
1973
1974 void XGUI_Workshop::synchronizeGroupInViewer(const DocumentPtr& theDoc, 
1975                                              const std::string& theGroup, 
1976                                              bool theUpdateViewer)
1977 {
1978   ObjectPtr aObj;
1979   int aSize = theDoc->size(theGroup);
1980   for (int i = 0; i < aSize; i++) {
1981     aObj = theDoc->object(theGroup, i);
1982     if (aObj->isDisplayed()) {
1983       // Hide the presentation with an empty shape. But isDisplayed state of the object should not
1984       // be changed to the object becomes visible when the shape becomes not empty
1985       ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
1986       if (aRes.get() && (!aRes->shape().get() || aRes->shape()->isNull()))
1987         continue;
1988       myDisplayer->display(aObj, false);
1989     }
1990   }
1991   if (theUpdateViewer)
1992     myDisplayer->updateViewer();
1993 }