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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 #include <AppElements_Button.h>
27 #include <AppElements_Command.h>
28 #include <AppElements_MainMenu.h>
29 #include <AppElements_MainWindow.h>
30 #include <AppElements_MenuGroupPanel.h>
31 #include <AppElements_Viewer.h>
32 #include <AppElements_Workbench.h>
33
34 #include <ModelAPI_AttributeDocRef.h>
35 #include <ModelAPI_AttributeIntArray.h>
36 #include <ModelAPI_Data.h>
37 #include <ModelAPI_Events.h>
38 #include <ModelAPI_Feature.h>
39 #include <ModelAPI_Object.h>
40 #include <ModelAPI_ResultBody.h>
41 #include <ModelAPI_ResultConstruction.h>
42 #include <ModelAPI_ResultGroup.h>
43 #include <ModelAPI_ResultParameter.h>
44 #include <ModelAPI_Session.h>
45 #include <ModelAPI_Validator.h>
46 #include <ModelAPI_ResultCompSolid.h>
47 #include <ModelAPI_Tools.h>
48
49 //#include <PartSetPlugin_Part.h>
50
51 #include <Events_Loop.h>
52 #include <Events_Error.h>
53 #include <Events_LongOp.h>
54
55 #include <ModuleBase_FilterFactory.h>
56 #include <ModuleBase_IModule.h>
57 #include <ModuleBase_IViewer.h>
58 #include <ModuleBase_Operation.h>
59 #include <ModuleBase_OperationDescription.h>
60 #include <ModuleBase_PageBase.h>
61 #include <ModuleBase_Preferences.h>
62 #include <ModuleBase_SelectionValidator.h>
63 #include <ModuleBase_Tools.h>
64 #include <ModuleBase_WidgetFactory.h>
65
66 #include <Config_Common.h>
67 #include <Config_FeatureMessage.h>
68 #include <Config_ModuleReader.h>
69 #include <Config_PointerMessage.h>
70 #include <Config_PropManager.h>
71 #include <Config_SelectionFilterMessage.h>
72
73 #include <SUIT_ResourceMgr.h>
74
75 #include <QApplication>
76 #include <QFileDialog>
77 #include <QMessageBox>
78 #include <QMdiSubWindow>
79 #include <QPushButton>
80 #include <QDockWidget>
81 #include <QLayout>
82 #include <QThread>
83 #include <QObject>
84 #include <QMenu>
85 #include <QToolButton>
86 #include <QAction>
87 #include <QDesktopWidget>
88
89 #include <iterator>
90
91 #ifdef _DEBUG
92 #include <QDebug>
93 #include <iostream>
94 #endif
95
96 #ifdef WIN32
97 #include <windows.h>
98 #else
99 #include <dlfcn.h>
100 #endif
101
102 //#define DEBUG_DELETE
103
104 XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
105     : QObject(),
106       myCurrentDir(QString()),
107       myModule(NULL),
108       mySalomeConnector(theConnector),
109       myPropertyPanel(0),
110       myObjectBrowser(0),
111       myDisplayer(0)
112 {
113   myMainWindow = mySalomeConnector ? 0 : new AppElements_MainWindow();
114
115   if (myMainWindow) {
116     SUIT_ResourceMgr* aResMgr = ModuleBase_Preferences::resourceMgr();
117     bool aCloc = aResMgr->booleanValue("language", "locale", true);
118     if (aCloc)
119       QLocale::setDefault( QLocale::c() );
120     else 
121       QLocale::setDefault( QLocale::system() );
122   }
123
124   myDisplayer = new XGUI_Displayer(this);
125
126   mySelector = new XGUI_SelectionMgr(this);
127   //connect(mySelector, SIGNAL(selectionChanged()), this, SLOT(updateModuleCommands()));
128
129   myOperationMgr = new XGUI_OperationMgr(this, 0);
130   myActionsMgr = new XGUI_ActionsMgr(this);
131   myErrorDlg = new XGUI_ErrorDialog(QApplication::desktop());
132   myErrorMgr = new XGUI_ErrorMgr(this);
133   myContextMenuMgr = new XGUI_ContextMenuMgr(this);
134   connect(myContextMenuMgr, SIGNAL(actionTriggered(const QString&, bool)), this,
135           SLOT(onContextMenuCommand(const QString&, bool)));
136
137   myViewerProxy = new XGUI_ViewerProxy(this);
138   connect(myViewerProxy, SIGNAL(selectionChanged()),
139           myActionsMgr,  SLOT(updateOnViewSelection()));
140
141   myModuleConnector = new XGUI_ModuleConnector(this);
142
143   ModuleBase_IWorkshop* aWorkshop = moduleConnector();
144   myOperationMgr->setWorkshop(aWorkshop);
145
146   myEventsListener = new XGUI_WorkshopListener(aWorkshop);
147
148   connect(myOperationMgr, SIGNAL(operationStarted(ModuleBase_Operation*)), 
149           SLOT(onOperationStarted(ModuleBase_Operation*)));
150   connect(myOperationMgr, SIGNAL(operationResumed(ModuleBase_Operation*)),
151           SLOT(onOperationResumed(ModuleBase_Operation*)));
152   connect(myOperationMgr, SIGNAL(operationStopped(ModuleBase_Operation*)),
153           SLOT(onOperationStopped(ModuleBase_Operation*)));
154   connect(myOperationMgr, SIGNAL(operationCommitted(ModuleBase_Operation*)), 
155           SLOT(onOperationCommitted(ModuleBase_Operation*)));
156   connect(myOperationMgr, SIGNAL(operationAborted(ModuleBase_Operation*)), 
157           SLOT(onOperationAborted(ModuleBase_Operation*)));
158   connect(myOperationMgr, SIGNAL(validationStateChanged(bool)), 
159           myErrorMgr, SLOT(onValidationStateChanged()));
160
161   if (myMainWindow)
162     connect(myMainWindow, SIGNAL(exitKeySequence()), SLOT(onExit()));
163   connect(this, SIGNAL(errorOccurred(const QString&)), myErrorDlg, SLOT(addError(const QString&)));
164   connect(myEventsListener, SIGNAL(errorOccurred(const QString&)),
165           myErrorDlg, SLOT(addError(const QString&)));
166
167   //Config_PropManager::registerProp("Visualization", "object_default_color", "Object color",
168   //                                 Config_Prop::Color, "225,225,225");
169
170   Config_PropManager::registerProp("Visualization", "result_body_color", "Body color",
171                                    Config_Prop::Color, ModelAPI_ResultBody::DEFAULT_COLOR());
172   Config_PropManager::registerProp("Visualization", "result_group_color", "Group color",
173                                    Config_Prop::Color, ModelAPI_ResultGroup::DEFAULT_COLOR());
174   Config_PropManager::registerProp("Visualization", "result_construction_color", "Construction color",
175                                    Config_Prop::Color, ModelAPI_ResultConstruction::DEFAULT_COLOR());
176   Config_PropManager::registerProp("Visualization", "result_part_color", "Part color",
177                                    Config_Prop::Color, ModelAPI_ResultPart::DEFAULT_COLOR());
178 }
179
180 //******************************************************
181 XGUI_Workshop::~XGUI_Workshop(void)
182 {
183   delete myDisplayer;
184 }
185
186 //******************************************************
187 void XGUI_Workshop::startApplication()
188 {
189   initMenu();
190
191   Config_PropManager::registerProp("Plugins", "default_path", "Default Path",
192                                    Config_Prop::Directory, "");
193
194   //Initialize event listening
195   myEventsListener->initializeEventListening();
196
197   registerValidators();
198
199   // Calling of  loadCustomProps before activating module is required
200   // by Config_PropManger to restore user-defined path to plugins
201   ModuleBase_Preferences::loadCustomProps();
202   createModule();
203   if (myMainWindow) {
204     myMainWindow->show();
205     updateCommandStatus();
206   }
207   
208   onNew();
209
210   emit applicationStarted();
211 }
212
213 void XGUI_Workshop::activateModule()
214 {
215   myModule->activateSelectionFilters();
216
217   connect(myDisplayer, SIGNAL(objectDisplayed(ObjectPtr, AISObjectPtr)),
218     myModule, SLOT(onObjectDisplayed(ObjectPtr, AISObjectPtr)));
219   connect(myDisplayer, SIGNAL(beforeObjectErase(ObjectPtr, AISObjectPtr)),
220     myModule, SLOT(onBeforeObjectErase(ObjectPtr, AISObjectPtr)));
221
222   myActionsMgr->update();
223
224 }
225
226 void XGUI_Workshop::deactivateModule()
227 {
228   myModule->deactivateSelectionFilters();
229
230   disconnect(myDisplayer, SIGNAL(objectDisplayed(ObjectPtr, AISObjectPtr)),
231     myModule, SLOT(onObjectDisplayed(ObjectPtr, AISObjectPtr)));
232   disconnect(myDisplayer, SIGNAL(beforeObjectErase(ObjectPtr, AISObjectPtr)),
233     myModule, SLOT(onBeforeObjectErase(ObjectPtr, AISObjectPtr)));
234 }
235
236 //******************************************************
237 void XGUI_Workshop::initMenu()
238 {
239   myContextMenuMgr->createActions();
240
241   if (isSalomeMode()) {
242     // Create only Undo, Redo commands
243     QAction* aAction = salomeConnector()->addDesktopCommand("UNDO_CMD", tr("Undo"),
244                                                          tr("Undo last command"),
245                                                          QIcon(":pictures/undo.png"),
246                                                          QKeySequence::Undo, false, "MEN_DESK_EDIT");
247     QString aToolBarTitle = tr( "INF_DESK_TOOLBAR_STANDARD" );
248     salomeConnector()->addActionInToolbar( aAction,aToolBarTitle  );
249
250     connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onUndo()));
251     addHistoryMenu(aAction, SIGNAL(updateUndoHistory(const QList<ActionInfo>&)), SLOT(onUndo(int)));
252
253     aAction = salomeConnector()->addDesktopCommand("REDO_CMD", tr("Redo"), tr("Redo last command"),
254                                                 QIcon(":pictures/redo.png"), QKeySequence::Redo,
255                                                 false, "MEN_DESK_EDIT");
256     salomeConnector()->addActionInToolbar( aAction, aToolBarTitle );
257
258     connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onRedo()));
259     addHistoryMenu(aAction, SIGNAL(updateRedoHistory(const QList<ActionInfo>&)), SLOT(onRedo(int)));
260
261     salomeConnector()->addDesktopMenuSeparator("MEN_DESK_EDIT");
262     aAction = salomeConnector()->addDesktopCommand("REBUILD_CMD", tr("Rebuild"), tr("Rebuild data objects"),
263                                                 QIcon(":pictures/rebuild.png"), QKeySequence(),
264                                                 false, "MEN_DESK_EDIT");
265     salomeConnector()->addActionInToolbar( aAction, aToolBarTitle );
266
267     connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onRebuild()));
268     salomeConnector()->addDesktopMenuSeparator("MEN_DESK_EDIT");
269
270     aAction = salomeConnector()->addDesktopCommand("SAVEAS_CMD", tr("Export NewGeom..."), tr("Export the current document into a NewGeom file"),
271                                                 QIcon(), QKeySequence(),
272                                                 false, "MEN_DESK_FILE");
273     connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onSaveAs()));
274
275     aAction = salomeConnector()->addDesktopCommand("OPEN_CMD", tr("Import NewGeom..."), tr("Import a NewGeom file"),
276                                                 QIcon(), QKeySequence(),
277                                                 false, "MEN_DESK_FILE");
278     connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onOpen()));
279     salomeConnector()->addDesktopMenuSeparator("MEN_DESK_FILE");
280
281     return;
282   }
283   // File commands group
284   AppElements_MenuGroupPanel* aGroup = myMainWindow->menuObject()->generalPage();
285
286   AppElements_Command* aCommand;
287
288   aCommand = aGroup->addFeature("SAVE_CMD", tr("Save"), tr("Save the document"),
289                                 QIcon(":pictures/save.png"), QKeySequence::Save);
290   aCommand->connectTo(this, SLOT(onSave()));
291   //aCommand->disable();
292
293   QString aUndoId = "UNDO_CMD";
294   aCommand = aGroup->addFeature(aUndoId, tr("Undo"), tr("Undo last command"),
295                                 QIcon(":pictures/undo.png"), QKeySequence::Undo);
296   aCommand->connectTo(this, SLOT(onUndo()));
297   AppElements_Button* aUndoButton = qobject_cast<AppElements_Button*>(aGroup->widget(aUndoId));
298   addHistoryMenu(aUndoButton,
299                  SIGNAL(updateUndoHistory(const QList<ActionInfo>&)),
300                  SLOT(onUndo(int)));
301
302   QString aRedoId = "REDO_CMD";
303   aCommand = aGroup->addFeature(aRedoId, tr("Redo"), tr("Redo last command"),
304                                 QIcon(":pictures/redo.png"), QKeySequence::Redo);
305   aCommand->connectTo(this, SLOT(onRedo()));
306   AppElements_Button* aRedoButton = qobject_cast<AppElements_Button*>(aGroup->widget(aRedoId));
307   addHistoryMenu(aRedoButton,
308                  SIGNAL(updateRedoHistory(const QList<ActionInfo>&)),
309                  SLOT(onRedo(int)));
310
311   aCommand = aGroup->addFeature("REBUILD_CMD", tr("Rebuild"), tr("Rebuild data objects"),
312     QIcon(":pictures/rebuild.png"), QKeySequence());
313   aCommand->connectTo(this, SLOT(onRebuild()));
314
315   aCommand = aGroup->addFeature("SAVEAS_CMD", tr("Save as..."), tr("Save the document into a file"),
316                                 QIcon(":pictures/save.png"), QKeySequence());
317   aCommand->connectTo(this, SLOT(onSaveAs()));
318   //aCommand->disable();
319
320   aCommand = aGroup->addFeature("OPEN_CMD", tr("Open..."), tr("Open a new document"),
321                                 QIcon(":pictures/open.png"), QKeySequence::Open);
322   aCommand->connectTo(this, SLOT(onOpen()));
323
324   //aCommand = aGroup->addFeature("NEW_CMD", tr("New"), tr("Create a new document"),
325   //                              QIcon(":pictures/new.png"), QKeySequence::New);
326   //aCommand->connectTo(this, SLOT(onNew()));
327
328   aCommand = aGroup->addFeature("PREF_CMD", tr("Preferences"), tr("Edit preferences"),
329                                 QIcon(":pictures/preferences.png"), QKeySequence::Preferences);
330   aCommand->connectTo(this, SLOT(onPreferences()));
331
332   aCommand = aGroup->addFeature("EXIT_CMD", tr("Exit"), tr("Exit application"),
333                                 QIcon(":pictures/close.png"), QKeySequence::Close);
334   aCommand->connectTo(this, SLOT(onExit()));
335   //FIXME: SBH's test action. Can be used for some GUI tests.
336 //  #ifdef _DEBUG
337 //    aCommand = aGroup->addFeature("TEST_CMD", "Test!", "Private debug button",
338 //                                  QIcon(":pictures/close.png"), QKeySequence(), true);
339 //    aCommand->connectTo(myMainWindow, SLOT(dockPythonConsole()));
340 //  #endif
341 }
342
343 //******************************************************
344 AppElements_Workbench* XGUI_Workshop::addWorkbench(const QString& theName)
345 {
346   AppElements_MainMenu* aMenuBar = myMainWindow->menuObject();
347   return aMenuBar->addWorkbench(theName);
348 }
349
350 //******************************************************
351 QMainWindow* XGUI_Workshop::desktop() const
352 {
353   return isSalomeMode() ? salomeConnector()->desktop() : myMainWindow;
354 }
355
356 //******************************************************
357 void XGUI_Workshop::onStartWaiting()
358 {
359   if (Events_LongOp::isPerformed()) {
360     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
361   }
362 }
363
364
365 //******************************************************
366 void XGUI_Workshop::deactivateActiveObject(const ObjectPtr& theObject, const bool theUpdateViewer)
367 {
368   if (!myModule->canActivateSelection(theObject)) {
369     if (myDisplayer->isActive(theObject))
370       myDisplayer->deactivate(theObject, theUpdateViewer);
371   }
372 }
373
374 //******************************************************
375 void XGUI_Workshop::onOperationStarted(ModuleBase_Operation* theOperation)
376 {
377   setNestedFeatures(theOperation);
378
379   if (theOperation->getDescription()->hasXmlRepresentation()) {  //!< No need for property panel
380     setPropertyPanel(theOperation);
381     // filling the operation values by the current selection
382     // if the operation can be commited after the controls filling, the method perform should
383     // be stopped. Otherwise unnecessary presentations can be shown(e.g. operation prs in sketch)
384     if (!theOperation->isEditOperation()) {
385       theOperation->activateByPreselection();
386       if (operationMgr()->currentOperation() != theOperation)
387         return;
388     }
389   }
390   updateCommandStatus();
391
392   myModule->onOperationStarted(theOperation);
393
394   // the objects of the current operation should be deactivated
395   QObjectPtrList anObjects;
396   FeaturePtr aFeature = theOperation->feature();
397   anObjects.append(aFeature);
398   std::list<ResultPtr> aResults = aFeature->results();
399   std::list<ResultPtr>::const_iterator aIt;
400   for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
401     anObjects.append(*aIt);
402   }
403   QObjectPtrList::const_iterator anIt = anObjects.begin(), aLast = anObjects.end();
404   for (; anIt != aLast; anIt++)
405     deactivateActiveObject(*anIt, false);
406   if (anObjects.size() > 0)
407     myDisplayer->updateViewer();
408 }
409
410 //******************************************************
411 void XGUI_Workshop::onOperationResumed(ModuleBase_Operation* theOperation)
412 {
413   setNestedFeatures(theOperation);
414
415   if (theOperation->getDescription()->hasXmlRepresentation()) {  //!< No need for property panel
416     setPropertyPanel(theOperation);
417   }
418   updateCommandStatus();
419
420   myModule->onOperationResumed(theOperation);
421 }
422
423
424 //******************************************************
425 void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
426 {
427   ModuleBase_ISelection* aSel = mySelector->selection();
428   QObjectPtrList aObj = aSel->selectedPresentations();
429   //!< No need for property panel
430   updateCommandStatus();
431   hidePropertyPanel();
432   myPropertyPanel->cleanContent();
433
434   myModule->onOperationStopped(theOperation);
435
436   // the deactivated objects of the current operation should be activated back.
437   // They were deactivated on operation start or an object redisplay
438   QObjectPtrList anObjects;
439   FeaturePtr aFeature = theOperation->feature();
440   if (myDisplayer->isVisible(aFeature) && !myDisplayer->isActive(aFeature))
441     anObjects.append(aFeature);
442   std::list<ResultPtr> aResults = aFeature->results();
443   std::list<ResultPtr>::const_iterator aIt;
444   for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
445     ResultPtr anObject = *aIt;
446     if (myDisplayer->isVisible(anObject) && !myDisplayer->isActive(anObject)) {
447       anObjects.append(anObject);
448     }
449   }
450   QIntList aModes;
451   module()->activeSelectionModes(aModes);
452   myDisplayer->activateObjects(aModes, anObjects);
453 }
454
455
456 void XGUI_Workshop::onOperationCommitted(ModuleBase_Operation* theOperation)
457 {
458   myModule->onOperationCommitted(theOperation);
459 }
460
461 void XGUI_Workshop::onOperationAborted(ModuleBase_Operation* theOperation)
462 {
463   myModule->onOperationAborted(theOperation);
464 }
465
466 void XGUI_Workshop::setNestedFeatures(ModuleBase_Operation* theOperation)
467 {
468   if (this->isSalomeMode()) 
469     theOperation->setNestedFeatures(mySalomeConnector->nestedActions(theOperation->id()));
470   else 
471     theOperation->setNestedFeatures(myActionsMgr->nestedCommands(theOperation->id()));
472 }
473
474 void XGUI_Workshop::setPropertyPanel(ModuleBase_Operation* theOperation)
475 {
476   showPropertyPanel();
477   QString aXmlRepr = theOperation->getDescription()->xmlRepresentation();
478   ModuleBase_WidgetFactory aFactory = ModuleBase_WidgetFactory(aXmlRepr.toStdString(),
479                                                                 myModuleConnector);
480
481   myPropertyPanel->cleanContent();
482   aFactory.createWidget(myPropertyPanel->contentWidget());
483
484   QList<ModuleBase_ModelWidget*> aWidgets = aFactory.getModelWidgets();
485   foreach (ModuleBase_ModelWidget* aWidget, aWidgets) {
486     bool isStoreValue = !theOperation->isEditOperation() &&
487                         !aWidget->getDefaultValue().empty() &&
488                         !aWidget->isComputedDefault();
489     aWidget->setFeature(theOperation->feature(), isStoreValue);
490     aWidget->enableFocusProcessing();
491   }
492   
493   myPropertyPanel->setModelWidgets(aWidgets);
494   theOperation->setPropertyPanel(myPropertyPanel);
495
496   myModule->propertyPanelDefined(theOperation);
497
498   myPropertyPanel->setWindowTitle(theOperation->getDescription()->description());
499
500   myErrorMgr->setPropertyPanel(myPropertyPanel);
501 }
502
503 /*
504  * Saves document with given name.
505  */
506 void XGUI_Workshop::saveDocument(const QString& theName, std::list<std::string>& theFileNames)
507 {
508   QApplication::restoreOverrideCursor();
509   SessionPtr aMgr = ModelAPI_Session::get();
510   aMgr->save(theName.toLatin1().constData(), theFileNames);
511   QApplication::restoreOverrideCursor();
512 }
513
514 bool XGUI_Workshop::isActiveOperationAborted()
515 {
516   return myOperationMgr->abortAllOperations();
517 }
518
519 //******************************************************
520 void XGUI_Workshop::onExit()
521 {
522   SessionPtr aMgr = ModelAPI_Session::get();
523   if (aMgr->isModified()) {
524     int anAnswer = QMessageBox::question(
525         myMainWindow, tr("Save current file"), tr("The document is modified, save before exit?"),
526         QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
527     if (anAnswer == QMessageBox::Save) {
528       bool saved = onSave();
529       if (!saved) {
530         return;
531       }
532     } else if (anAnswer == QMessageBox::Cancel) {
533       return;
534     }
535   }
536   qApp->exit();
537 }
538
539 //******************************************************
540 void XGUI_Workshop::onNew()
541 {
542   QApplication::setOverrideCursor(Qt::WaitCursor);
543   if (objectBrowser() == 0) {
544     createDockWidgets();
545     mySelector->connectViewers();
546   }
547   myViewerProxy->connectToViewer();
548   showObjectBrowser();
549   if (!isSalomeMode()) {
550     myMainWindow->showPythonConsole();
551     QMdiSubWindow* aWnd = myMainWindow->viewer()->createView();
552     aWnd->showMaximized();
553     updateCommandStatus();
554   }
555   myContextMenuMgr->connectViewer();
556   QApplication::restoreOverrideCursor();
557 }
558
559 //******************************************************
560 void XGUI_Workshop::onOpen()
561 {
562   if(!isActiveOperationAborted())
563     return;
564   //save current file before close if modified
565   SessionPtr aSession = ModelAPI_Session::get();
566   if (aSession->isModified()) {
567     //TODO(sbh): re-launch the app?
568     int anAnswer = QMessageBox::question(
569         myMainWindow, tr("Save current file"),
570         tr("The document is modified, save before opening another?"),
571         QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
572     if (anAnswer == QMessageBox::Save) {
573       onSave();
574     } else if (anAnswer == QMessageBox::Cancel) {
575       return;
576     }
577     myCurrentDir = "";
578   }
579
580   //show file dialog, check if readable and open
581   myCurrentDir = QFileDialog::getExistingDirectory(mainWindow(), tr("Select directory"));
582   if (myCurrentDir.isEmpty())
583     return;
584   QFileInfo aFileInfo(myCurrentDir);
585   if (!aFileInfo.exists() || !aFileInfo.isReadable()) {
586     QMessageBox::critical(myMainWindow, tr("Warning"), tr("Unable to open the file."));
587     myCurrentDir = "";
588     return;
589   }
590   QApplication::setOverrideCursor(Qt::WaitCursor);
591   aSession->closeAll();
592   aSession->load(myCurrentDir.toLatin1().constData());
593   myObjectBrowser->rebuildDataTree();
594   //displayAllResults();
595   updateCommandStatus();
596   QApplication::restoreOverrideCursor();
597 }
598
599 //******************************************************
600 bool XGUI_Workshop::onSave()
601 {
602   if(!isActiveOperationAborted())
603     return false;
604   if (myCurrentDir.isEmpty()) {
605     return onSaveAs();
606   }
607   std::list<std::string> aFiles;
608   saveDocument(myCurrentDir, aFiles);
609   updateCommandStatus();
610   if (!isSalomeMode())
611     myMainWindow->setModifiedState(false);
612   return true;
613 }
614
615 //******************************************************
616 bool XGUI_Workshop::onSaveAs()
617 {
618   if(!isActiveOperationAborted())
619     return false;
620   QFileDialog dialog(mainWindow());
621   dialog.setWindowTitle(tr("Select directory to save files..."));
622   dialog.setFileMode(QFileDialog::Directory);
623   dialog.setFilter(tr("Directories (*)"));
624   dialog.setOptions(QFileDialog::HideNameFilterDetails | QFileDialog::ShowDirsOnly);
625   dialog.setViewMode(QFileDialog::Detail);
626
627   if (!dialog.exec()) {
628     return false;
629   }
630
631   QString aTempDir = dialog.selectedFiles().first();
632   QDir aDir(aTempDir);
633   if (aDir.exists() && !aDir.entryInfoList(QDir::NoDotAndDotDot | QDir::AllEntries).isEmpty()) {
634     int answer = QMessageBox::question(
635         myMainWindow,
636         //: Title of the dialog which asks user if he wants to save study in existing non-empty folder
637         tr("Save"),
638         tr("The directory already contains some files, save anyway?"),
639         QMessageBox::Save | QMessageBox::Cancel);
640     if (answer == QMessageBox::Cancel) {
641       return false;
642     }
643   }
644   myCurrentDir = aTempDir;
645   if (!isSalomeMode()) {
646     myMainWindow->setCurrentDir(myCurrentDir, false);
647     myMainWindow->setModifiedState(false);
648   }
649   return onSave();
650 }
651
652 //******************************************************
653 void XGUI_Workshop::onUndo(int theTimes)
654 {
655   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
656   SessionPtr aMgr = ModelAPI_Session::get();
657   if (aMgr->isOperation()) {
658     /// this is important for nested operrations
659     /// when sketch opeation is active, this condition is false and 
660     /// the sketch operation is not aborted
661     operationMgr()->onAbortOperation();
662   }
663   for (int i = 0; i < theTimes; ++i) {
664     aMgr->undo();
665   }
666   updateCommandStatus();
667 }
668
669 //******************************************************
670 void XGUI_Workshop::onRedo(int theTimes)
671 {
672   // the viewer update should be blocked in order to avoid the features blinking. For the created
673   // feature a results are created, the flush of the created signal caused the viewer redisplay for
674   // each created result. After a redisplay signal is flushed. So, the viewer update is blocked until
675   // redo of all possible objects happens
676   bool isUpdateEnabled = myDisplayer->enableUpdateViewer(false);
677
678   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
679   SessionPtr aMgr = ModelAPI_Session::get();
680   if (aMgr->isOperation()) {
681     /// this is important for nested operrations
682     /// when sketch opeation is active, this condition is false and 
683     /// the sketch operation is not aborted
684     operationMgr()->onAbortOperation();
685   }
686   for (int i = 0; i < theTimes; ++i) {
687     aMgr->redo();
688   }
689   updateCommandStatus();
690
691   // unblock the viewer update functionality and make update on purpose
692   myDisplayer->enableUpdateViewer(isUpdateEnabled);
693   myDisplayer->updateViewer();
694 }
695
696 //******************************************************
697 void XGUI_Workshop::onRebuild()
698 {
699   SessionPtr aMgr = ModelAPI_Session::get();
700   bool aWasOperation = aMgr->isOperation(); // keep this value
701   if (!aWasOperation) {
702     aMgr->startOperation("Rebuild");
703   }
704   static const Events_ID aRebuildEvent = Events_Loop::loop()->eventByName("Rebuild");
705   Events_Loop::loop()->send(std::shared_ptr<Events_Message>(
706     new Events_Message(aRebuildEvent, this)));
707   if (!aWasOperation) {
708     aMgr->finishOperation();
709   }
710   updateCommandStatus();
711 }
712
713 //******************************************************
714 void XGUI_Workshop::onPreferences()
715 {
716   ModuleBase_Prefs aModif;
717   ModuleBase_Preferences::editPreferences(aModif);
718   if (aModif.size() > 0) {
719     QString aSection;
720     foreach (ModuleBase_Pref aPref, aModif)
721     {
722       aSection = aPref.first;
723       if (aSection == ModuleBase_Preferences::VIEWER_SECTION) {
724         if (!isSalomeMode())
725           myMainWindow->viewer()->updateFromResources();
726       } else if (aSection == ModuleBase_Preferences::MENU_SECTION) {
727         if (!isSalomeMode())
728           myMainWindow->menuObject()->updateFromResources();
729       }
730     }
731   }
732 }
733
734 //******************************************************
735 ModuleBase_IModule* XGUI_Workshop::loadModule(const QString& theModule)
736 {
737   QString libName = QString::fromStdString(library(theModule.toStdString()));
738   if (libName.isEmpty()) {
739     qWarning(qPrintable(tr("Information about module \"%1\" doesn't exist.").arg(theModule)));
740     return 0;
741   }
742
743   QString err;
744   CREATE_FUNC crtInst = 0;
745
746 #ifdef WIN32
747   HINSTANCE modLib = ::LoadLibrary((LPTSTR) qPrintable(libName));
748   if (!modLib) {
749     LPVOID lpMsgBuf;
750     ::FormatMessage(
751         FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
752         0, ::GetLastError(), 0, (LPTSTR) & lpMsgBuf, 0, 0);
753     QString aMsg((char*) &lpMsgBuf);
754     err = QString("Failed to load  %1. %2").arg(libName).arg(aMsg);
755     ::LocalFree(lpMsgBuf);
756   } else {
757     crtInst = (CREATE_FUNC) ::GetProcAddress(modLib, CREATE_MODULE);
758     if (!crtInst) {
759       LPVOID lpMsgBuf;
760       ::FormatMessage(
761           FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM
762               | FORMAT_MESSAGE_IGNORE_INSERTS,
763           0, ::GetLastError(), 0, (LPTSTR) & lpMsgBuf, 0, 0);
764       QString aMsg((char*) &lpMsgBuf);
765       err = QString("Failed to find  %1 function. %2").arg( CREATE_MODULE).arg(aMsg);
766       ::LocalFree(lpMsgBuf);
767     }
768   }
769 #else
770   void* modLib = dlopen( libName.toLatin1(), RTLD_LAZY | RTLD_GLOBAL );
771   if ( !modLib ) {
772     err = QString( "Can not load library %1. %2" ).arg( libName ).arg( dlerror() );
773   } else {
774     crtInst = (CREATE_FUNC)dlsym( modLib, CREATE_MODULE );
775     if ( !crtInst ) {
776       err = QString( "Failed to find function %1. %2" ).arg( CREATE_MODULE ).arg( dlerror() );
777     }
778   }
779 #endif
780
781   ModuleBase_IModule* aModule = crtInst ? crtInst(myModuleConnector) : 0;
782
783   if (!err.isEmpty()) {
784     if (mainWindow()) {
785       Events_Error::send(err.toStdString());
786     } else {
787       qWarning(qPrintable(err));
788     }
789   }
790   return aModule;
791 }
792
793 //******************************************************
794 bool XGUI_Workshop::createModule()
795 {
796   Config_ModuleReader aModuleReader;
797   QString moduleName = QString::fromStdString(aModuleReader.getModuleName());
798   myModule = loadModule(moduleName);
799   if (!myModule)
800     return false;
801
802   //connect(myDisplayer, SIGNAL(objectDisplayed(ObjectPtr, AISObjectPtr)),
803   //  myModule, SLOT(onObjectDisplayed(ObjectPtr, AISObjectPtr)));
804   //connect(myDisplayer, SIGNAL(beforeObjectErase(ObjectPtr, AISObjectPtr)),
805   //  myModule, SLOT(onBeforeObjectErase(ObjectPtr, AISObjectPtr)));
806
807   myModule->createFeatures();
808   //myActionsMgr->update();
809   return true;
810 }
811
812 //******************************************************
813 void XGUI_Workshop::updateCommandStatus()
814 {
815   QList<QAction*> aCommands;
816   if (isSalomeMode()) {  // update commands in SALOME mode
817     aCommands = salomeConnector()->commandList();
818   } else {
819     AppElements_MainMenu* aMenuBar = myMainWindow->menuObject();
820     foreach (AppElements_Command* aCmd, aMenuBar->features())
821       aCommands.append(aCmd);
822   }
823   SessionPtr aMgr = ModelAPI_Session::get();
824   if (aMgr->hasModuleDocument()) {
825     foreach(QAction* aCmd, aCommands) {
826       QString aId = aCmd->data().toString();
827       if (aId == "UNDO_CMD")
828         aCmd->setEnabled(myModule->canUndo());
829       else if (aId == "REDO_CMD")
830         aCmd->setEnabled(myModule->canRedo());
831       else
832         // Enable all commands
833         aCmd->setEnabled(true);
834     }
835     updateHistory();
836   } else {
837     foreach(QAction* aCmd, aCommands) {
838       QString aId = aCmd->data().toString();
839       if (aId == "NEW_CMD")
840         aCmd->setEnabled(true);
841       else if (aId == "EXIT_CMD")
842         aCmd->setEnabled(true);
843       else
844         aCmd->setEnabled(false);
845     }
846   }
847   myActionsMgr->update();
848   emit commandStatusUpdated();
849 }
850
851 void XGUI_Workshop::updateHistory()
852 {
853   std::list<std::string> aUndoList = ModelAPI_Session::get()->undoList();
854   QList<ActionInfo> aUndoRes = processHistoryList(aUndoList);
855   emit updateUndoHistory(aUndoRes);
856
857   std::list<std::string> aRedoList = ModelAPI_Session::get()->redoList();
858   QList<ActionInfo> aRedoRes = processHistoryList(aRedoList);
859   emit updateRedoHistory(aRedoRes);
860 }
861
862 //******************************************************
863 QDockWidget* XGUI_Workshop::createObjectBrowser(QWidget* theParent)
864 {
865   QDockWidget* aObjDock = new QDockWidget(theParent);
866   aObjDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea | Qt::BottomDockWidgetArea);
867   aObjDock->setWindowTitle(tr("Object browser"));
868   aObjDock->setStyleSheet(
869       "::title { position: relative; padding-left: 5px; text-align: left center }");
870   myObjectBrowser = new XGUI_ObjectsBrowser(aObjDock);
871 #ifdef ModuleDataModel
872   myObjectBrowser->setDataModel(myModule->dataModel());
873 #endif
874   myModule->customizeObjectBrowser(myObjectBrowser);
875   aObjDock->setWidget(myObjectBrowser);
876
877   myContextMenuMgr->connectObjectBrowser();
878   return aObjDock;
879 }
880
881 //******************************************************
882 /*
883  * Creates dock widgets, places them in corresponding area
884  * and tabifies if necessary.
885  */
886 void XGUI_Workshop::createDockWidgets()
887 {
888   QMainWindow* aDesktop = isSalomeMode() ? salomeConnector()->desktop() : myMainWindow;
889   QDockWidget* aObjDock = createObjectBrowser(aDesktop);
890   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, aObjDock);
891   myPropertyPanel = new XGUI_PropertyPanel(aDesktop);
892   myPropertyPanel->setupActions(myActionsMgr);
893   myPropertyPanel->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea | Qt::BottomDockWidgetArea);
894   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, myPropertyPanel);
895   hidePropertyPanel();  ///<! Invisible by default
896   hideObjectBrowser();
897   aDesktop->tabifyDockWidget(aObjDock, myPropertyPanel);
898   myPropertyPanel->installEventFilter(myOperationMgr);
899
900   QAction* aOkAct = myActionsMgr->operationStateAction(XGUI_ActionsMgr::Accept);
901   connect(aOkAct, SIGNAL(triggered()), myOperationMgr, SLOT(onCommitOperation()));
902   QAction* aCancelAct = myActionsMgr->operationStateAction(XGUI_ActionsMgr::Abort);
903   connect(aCancelAct, SIGNAL(triggered()), myOperationMgr, SLOT(onAbortOperation()));
904   connect(myPropertyPanel, SIGNAL(noMoreWidgets()), myModule, SLOT(onNoMoreWidgets()));
905   connect(myPropertyPanel, SIGNAL(keyReleased(QKeyEvent*)),
906           myOperationMgr,  SLOT(onKeyReleased(QKeyEvent*)));
907   connect(myOperationMgr,  SIGNAL(validationStateChanged(bool)),
908           aOkAct,          SLOT(setEnabled(bool)));
909   QAction* aAcceptAllAct = myActionsMgr->operationStateAction(XGUI_ActionsMgr::AcceptAll);
910   connect(myOperationMgr,  SIGNAL(nestedStateChanged(bool)),
911           aAcceptAllAct,   SLOT(setEnabled(bool)));
912
913 }
914
915 //******************************************************
916 void XGUI_Workshop::showPropertyPanel()
917 {
918   QAction* aViewAct = myPropertyPanel->toggleViewAction();
919   ///<! Restore ability to close panel from the window's menu
920   aViewAct->setEnabled(true);
921   myPropertyPanel->show();
922   myPropertyPanel->raise();
923 }
924
925 //******************************************************
926 void XGUI_Workshop::hidePropertyPanel()
927 {
928   QAction* aViewAct = myPropertyPanel->toggleViewAction();
929   ///<! Do not allow to show empty property panel
930   aViewAct->setEnabled(false);
931   myPropertyPanel->hide();
932 }
933
934 //******************************************************
935 void XGUI_Workshop::showObjectBrowser()
936 {
937   myObjectBrowser->parentWidget()->show();
938 }
939
940 //******************************************************
941 void XGUI_Workshop::hideObjectBrowser()
942 {
943   myObjectBrowser->parentWidget()->hide();
944 }
945
946 //******************************************************
947 void XGUI_Workshop::salomeViewerSelectionChanged()
948 {
949   emit salomeViewerSelection();
950 }
951
952 //**************************************************************
953 ModuleBase_IViewer* XGUI_Workshop::salomeViewer() const
954 {
955   return mySalomeConnector->viewer();
956 }
957
958 //**************************************************************
959 void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
960 {
961   QObjectPtrList aObjects = mySelector->selection()->selectedObjects();
962   if (theId == "DELETE_CMD")
963     deleteObjects();
964   else if (theId == "MOVE_CMD")
965     moveObjects();
966   else if (theId == "COLOR_CMD")
967     changeColor(aObjects);
968   else if (theId == "SHOW_CMD")
969     showObjects(aObjects, true);
970   else if (theId == "HIDE_CMD")
971     showObjects(aObjects, false);
972   else if (theId == "SHOW_ONLY_CMD")
973     showOnlyObjects(aObjects);
974   else if (theId == "SHADING_CMD")
975     setDisplayMode(aObjects, XGUI_Displayer::Shading);
976   else if (theId == "WIREFRAME_CMD")
977     setDisplayMode(aObjects, XGUI_Displayer::Wireframe);
978   else if (theId == "HIDEALL_CMD") {
979     QObjectPtrList aList = myDisplayer->displayedObjects();
980     foreach (ObjectPtr aObj, aList)
981       aObj->setDisplayed(false);
982     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
983   }
984 }
985
986 //**************************************************************
987 void XGUI_Workshop::deleteObjects()
988 {
989   ModuleBase_IModule* aModule = module();
990   // 1. allow the module to delete objects, do nothing if it has succeed
991   if (aModule->deleteObjects()) {
992     updateCommandStatus();
993     return;
994   }
995
996   if (!isActiveOperationAborted())
997     return;
998   QObjectPtrList anObjects = mySelector->selection()->selectedObjects();
999   // It is necessary to clear selection in order to avoid selection changed event during
1000   // deleteion and negative consequences connected with processing of already deleted items
1001   mySelector->clearSelection();
1002   // check whether the object can be deleted. There should not be parts which are not loaded
1003   if (!XGUI_Tools::canRemoveOrRename(myMainWindow, anObjects))
1004     return;
1005
1006   bool hasResult = false;
1007   bool hasFeature = false;
1008   bool hasParameter = false;
1009   bool hasSubFeature = false;
1010   ModuleBase_Tools::checkObjects(anObjects, hasResult, hasFeature, hasParameter, hasSubFeature);
1011   if (!(hasFeature || hasParameter))
1012     return;
1013
1014   // 1. start operation
1015   QString aDescription = contextMenuMgr()->action("DELETE_CMD")->text();
1016   aDescription += tr(" %1");
1017   QStringList aObjectNames;
1018   foreach (ObjectPtr aObj, anObjects) {
1019     if (!aObj->data()->isValid())
1020       continue;
1021     aObjectNames << QString::fromStdString(aObj->data()->name());
1022   }
1023   aDescription = aDescription.arg(aObjectNames.join(", "));
1024
1025   SessionPtr aMgr = ModelAPI_Session::get();
1026   aMgr->startOperation(aDescription.toStdString());
1027   // 2. close the documents of the removed parts if the result part is in a list of selected objects
1028   // this is performed in the RemoveFeature of Part object.
1029   /*foreach (ObjectPtr aObj, anObjects)
1030   {
1031     ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
1032     if (aPart) {
1033       DocumentPtr aDoc = aObj->document();
1034       if (aDoc == aMgr->activeDocument()) {
1035         aDoc->close();
1036       }
1037     }
1038   }*/
1039   // 3. delete objects
1040   QMainWindow* aDesktop = isSalomeMode() ? salomeConnector()->desktop() : myMainWindow;
1041   std::set<FeaturePtr> anIgnoredFeatures;
1042   if (deleteFeatures(anObjects, anIgnoredFeatures, aDesktop, true)) {
1043     myDisplayer->updateViewer();
1044     aMgr->finishOperation();
1045     updateCommandStatus();
1046   }
1047   else {
1048     aMgr->abortOperation();
1049   }
1050 }
1051
1052 //**************************************************************
1053 void XGUI_Workshop::moveObjects()
1054 {
1055   if (!isActiveOperationAborted())
1056     return;
1057
1058   SessionPtr aMgr = ModelAPI_Session::get();
1059
1060   QString anActionId = "MOVE_CMD";
1061   QString aDescription = contextMenuMgr()->action(anActionId)->text();
1062   aMgr->startOperation(aDescription.toStdString());
1063
1064   QObjectPtrList anObjects = mySelector->selection()->selectedObjects();
1065   DocumentPtr anActiveDocument = aMgr->activeDocument();
1066
1067   FeaturePtr aCurrentFeature = anActiveDocument->currentFeature(true);
1068   foreach (ObjectPtr aObject, anObjects) {
1069     if (!myModule->canApplyAction(aObject, anActionId))
1070       continue;
1071
1072     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObject);
1073     if (aFeature.get()) {
1074       anActiveDocument->moveFeature(aFeature, aCurrentFeature);
1075       aCurrentFeature = anActiveDocument->currentFeature(true);
1076     }
1077   }
1078   aMgr->finishOperation();
1079 }
1080
1081 //**************************************************************
1082 bool XGUI_Workshop::deleteFeatures(const QObjectPtrList& theList,
1083                                    const std::set<FeaturePtr>& theIgnoredFeatures,
1084                                    QWidget* theParent,
1085                                    const bool theAskAboutDeleteReferences)
1086 {
1087 #ifdef DEBUG_DELETE
1088   QStringList aDInfo;
1089   QObjectPtrList::const_iterator aDIt = theList.begin(), aDLast = theList.end();
1090   for (; aDIt != aDLast; ++aDIt) {
1091     aDInfo.append(ModuleBase_Tools::objectInfo((*aDIt)));
1092   }
1093   QString anInfoStr = aDInfo.join(", ");
1094   qDebug(QString("deleteFeatures: %1, %2").arg(theList.size()).arg(anInfoStr).toStdString().c_str());
1095 #endif
1096
1097   // 1. find all referenced features
1098   std::set<FeaturePtr> aDirectRefFeatures, aIndirectRefFeatures;
1099   foreach (ObjectPtr aDeletedObj, theList) {
1100     XGUI_Tools::refsToFeatureInAllDocuments(aDeletedObj, aDeletedObj, aDirectRefFeatures, aIndirectRefFeatures);
1101     std::set<FeaturePtr> aDifference;
1102     std::set_difference(aIndirectRefFeatures.begin(), aIndirectRefFeatures.end(), 
1103                         aDirectRefFeatures.begin(), aDirectRefFeatures.end(), 
1104                         std::inserter(aDifference, aDifference.begin()));
1105     aIndirectRefFeatures = aDifference;
1106   }
1107   // 2. warn about the references remove, break the delete operation if the user chose it
1108   if (theAskAboutDeleteReferences && !aDirectRefFeatures.empty()) {
1109     QStringList aDirectRefNames;
1110     foreach(const FeaturePtr& aFeature, aDirectRefFeatures)
1111       aDirectRefNames.append(aFeature->name().c_str());
1112     QString aDirectNames = aDirectRefNames.join(", ");
1113
1114     QStringList aIndirectRefNames;
1115     foreach(const FeaturePtr& aFeature, aIndirectRefFeatures)
1116       aIndirectRefNames.append(aFeature->name().c_str());
1117     QString aIndirectNames = aIndirectRefNames.join(", ");
1118
1119     QMessageBox::StandardButton aRes = QMessageBox::warning(
1120         theParent, tr("Delete features"),
1121         QString(tr("Selected features are used in the following features: %1.\
1122  These features will be deleted.\n%2Would you like to continue?")).arg(aDirectNames)
1123             .arg(aIndirectNames.isEmpty() ? QString() : QString("Also these features will be deleted: %1.\n").arg(aIndirectNames)),
1124         QMessageBox::No | QMessageBox::Yes, QMessageBox::No);
1125     if (aRes != QMessageBox::Yes)
1126       return false;
1127   }
1128
1129   // 3. remove referenced features
1130   std::set<FeaturePtr> aFeaturesToDelete = aDirectRefFeatures;
1131   aFeaturesToDelete.insert(aIndirectRefFeatures.begin(), aIndirectRefFeatures.end());
1132   std::set<FeaturePtr>::const_iterator anIt = aFeaturesToDelete.begin(),
1133                                        aLast = aFeaturesToDelete.end();
1134 #ifdef DEBUG_DELETE
1135   QStringList anInfo;
1136 #endif
1137   for (; anIt != aLast; anIt++) {
1138     FeaturePtr aFeature = (*anIt);
1139     DocumentPtr aDoc = aFeature->document();
1140     if (theIgnoredFeatures.find(aFeature) == theIgnoredFeatures.end()) {
1141       aDoc->removeFeature(aFeature);
1142 #ifdef DEBUG_DELETE
1143       anInfo.append(ModuleBase_Tools::objectInfo(aFeature).toStdString().c_str());
1144 #endif
1145     }
1146   }
1147 #ifdef DEBUG_DELETE
1148   qDebug(QString("remove references:%1").arg(anInfo.join("; ")).toStdString().c_str());
1149   anInfo.clear();
1150 #endif
1151
1152   QString anActionId = "DELETE_CMD";
1153   QString anId = QString::fromStdString(anActionId.toStdString().c_str());
1154   QStringList anObjectGroups = contextMenuMgr()->actionObjectGroups(anId);
1155   // 4. remove the parameter features
1156   foreach (ObjectPtr aObj, theList) {
1157     // features and parameters can be removed here,
1158     // the results are removed only by a corresponded feature remove
1159     std::string aGroupName = aObj->groupName();
1160     if (!anObjectGroups.contains(aGroupName.c_str()))
1161       continue;
1162
1163     if (!myModule->canApplyAction(aObj, anActionId))
1164       continue;
1165
1166     FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
1167     if (aFeature) {
1168       /*// TODO: to learn the workshop to delegate the Part object deletion to the PartSet module
1169       // part features are removed in the PartSet module. This condition should be moved there
1170       if (aFeature->getKind() == "Part")
1171         continue;
1172         */
1173       DocumentPtr aDoc = aObj->document();
1174       if (theIgnoredFeatures.find(aFeature) == theIgnoredFeatures.end()) {
1175 #ifdef DEBUG_DELETE
1176         QString anInfoStr = ModuleBase_Tools::objectInfo(aFeature);
1177         anInfo.append(anInfoStr);
1178         qDebug(QString("remove feature :%1").arg(anInfoStr).toStdString().c_str());
1179 #endif
1180         aDoc->removeFeature(aFeature);
1181       }
1182     }
1183   }
1184 #ifdef DEBUG_DELETE
1185   qDebug(QString("remove features:%1").arg(anInfo.join("; ")).toStdString().c_str());
1186 #endif
1187   return true;
1188 }
1189
1190 bool hasResults(QObjectPtrList theObjects, const std::set<std::string>& theTypes)
1191 {
1192   bool isFoundResultType = false;
1193   foreach(ObjectPtr anObj, theObjects)
1194   {
1195     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
1196     if (aResult.get() == NULL)
1197       continue;
1198
1199     isFoundResultType = theTypes.find(aResult->groupName()) != theTypes.end();
1200     if (isFoundResultType)
1201       break;
1202   }
1203   return isFoundResultType;
1204 }
1205
1206 //**************************************************************
1207 // Returns the list of features placed between theObject and the current feature
1208 // in the same document. Excludes theObject, includes the current feature.
1209 std::list<FeaturePtr> toCurrentFeatures(const ObjectPtr& theObject)
1210 {
1211   std::list<FeaturePtr> aResult;
1212   DocumentPtr aDocument = theObject->document();
1213   std::list<FeaturePtr> anAllFeatures = aDocument->allFeatures();
1214   // find the object iterator
1215   std::list<FeaturePtr>::iterator aObjectIt = std::find(anAllFeatures.begin(), anAllFeatures.end(), theObject);
1216   if (aObjectIt == anAllFeatures.end()) 
1217     return aResult;
1218   // find the current feature iterator
1219   std::list<FeaturePtr>::iterator aCurrentIt = std::find(anAllFeatures.begin(), anAllFeatures.end(), aDocument->currentFeature(true));
1220   if (aCurrentIt == anAllFeatures.end()) 
1221     return aResult;
1222   // check the right order
1223   if (std::distance(aObjectIt, anAllFeatures.end()) <= std::distance(aCurrentIt, anAllFeatures.end()))
1224     return aResult;
1225   // exclude the object
1226   std::advance(aObjectIt, 1);
1227   // include the current feature
1228   std::advance(aCurrentIt, 1);
1229   return std::list<FeaturePtr>(aObjectIt, aCurrentIt);
1230 }
1231
1232 bool XGUI_Workshop::canMoveFeature()
1233 {
1234   QString anActionId = "MOVE_CMD";
1235
1236   QObjectPtrList aObjects = mySelector->selection()->selectedObjects();
1237   QObjectPtrList aValidatedObjects;
1238   foreach (ObjectPtr aObject, aObjects) {
1239     if (myModule->canApplyAction(aObject, anActionId))
1240       aValidatedObjects.append(aObject);
1241   }
1242   if (aValidatedObjects.size() != aObjects.size())
1243     aObjects = aValidatedObjects;
1244
1245   bool aCanMove = !aObjects.empty();
1246
1247   QObjectPtrList::const_iterator anIt = aObjects.begin(), aLast = aObjects.end();
1248   for (; anIt != aLast && aCanMove; anIt++) {
1249     ObjectPtr aObject = *anIt;
1250     // 1. Get features placed between selected and current in the document 
1251     std::list<FeaturePtr> aFeaturesBetween = toCurrentFeatures(aObject);
1252     // if aFeaturesBetween is empty it means wrong order or aObject is the current feature
1253     if (aFeaturesBetween.empty())
1254       aCanMove = false;
1255     else {
1256       std::set<FeaturePtr> aPlacedFeatures(aFeaturesBetween.begin(), aFeaturesBetween.end());
1257       // 2. Get all reference features to the selected object in the document 
1258       std::set<FeaturePtr> aRefFeatures;
1259       XGUI_Tools::refsToFeatureInFeatureDocument(aObject, aRefFeatures);
1260
1261       if (aRefFeatures.empty())
1262         continue;
1263       else {
1264         // 3. Find any placed features in all reference features
1265         std::set<FeaturePtr> aIntersectionFeatures;
1266         std::set_intersection(aRefFeatures.begin(), aRefFeatures.end(),
1267                               aPlacedFeatures.begin(), aPlacedFeatures.end(),
1268                               std::inserter(aIntersectionFeatures, aIntersectionFeatures.begin()));
1269         // 4. Return false if any reference feature is placed before curent feature
1270         if (!aIntersectionFeatures.empty())
1271           aCanMove = false;
1272       }
1273     }
1274   }
1275   return aCanMove;
1276 }
1277
1278 //**************************************************************
1279 bool XGUI_Workshop::canBeShaded(const ObjectPtr& theObject) const
1280 {
1281   bool aCanBeShaded = myDisplayer->canBeShaded(theObject);
1282   if (!aCanBeShaded) {
1283     ResultCompSolidPtr aCompsolidResult =
1284                 std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(theObject);
1285     if (aCompsolidResult.get() != NULL) { // change colors for all sub-solids
1286       for(int i = 0; i < aCompsolidResult->numberOfSubs() && !aCanBeShaded; i++)
1287         aCanBeShaded = myDisplayer->canBeShaded(aCompsolidResult->subResult(i));
1288     }
1289   }
1290   return aCanBeShaded;
1291 }
1292
1293 //**************************************************************
1294 bool XGUI_Workshop::canChangeColor() const
1295 {
1296   QObjectPtrList aObjects = mySelector->selection()->selectedObjects();
1297
1298   std::set<std::string> aTypes;
1299   aTypes.insert(ModelAPI_ResultGroup::group());
1300   aTypes.insert(ModelAPI_ResultConstruction::group());
1301   aTypes.insert(ModelAPI_ResultBody::group());
1302   aTypes.insert(ModelAPI_ResultPart::group());
1303
1304   return hasResults(aObjects, aTypes);
1305 }
1306
1307 void setColor(ResultPtr theResult, std::vector<int>& theColor)
1308 {
1309   if (!theResult.get())
1310     return;
1311
1312   AttributeIntArrayPtr aColorAttr = theResult->data()->intArray(ModelAPI_Result::COLOR_ID());
1313   if (aColorAttr.get() != NULL) {
1314     if (!aColorAttr->size()) {
1315       aColorAttr->setSize(3);
1316     }
1317     aColorAttr->setValue(0, theColor[0]);
1318     aColorAttr->setValue(1, theColor[1]);
1319     aColorAttr->setValue(2, theColor[2]);
1320   }
1321 }
1322
1323 //**************************************************************
1324 void XGUI_Workshop::changeColor(const QObjectPtrList& theObjects)
1325 {
1326   AttributeIntArrayPtr aColorAttr;
1327   // 1. find the current color of the object. This is a color of AIS presentation
1328   // The objects are iterated until a first valid color is found 
1329   std::vector<int> aColor;
1330   foreach(ObjectPtr anObject, theObjects) {
1331     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
1332     if (aResult.get()) {
1333       XGUI_CustomPrs::getResultColor(aResult, aColor);
1334     }
1335     else {
1336       // TODO: remove the obtaining a color from the AIS object
1337       // this does not happen never because:
1338       // 1. The color can be changed only on results
1339       // 2. The result can be not visualized in the viewer(e.g. Origin Construction)
1340       AISObjectPtr anAISObj = myDisplayer->getAISObject(anObject);
1341       if (anAISObj.get()) {
1342         aColor.resize(3);
1343         anAISObj->getColor(aColor[0], aColor[1], aColor[2]);
1344       }
1345     }
1346     if (!aColor.empty())
1347       break;
1348   }
1349   if (aColor.size() != 3)
1350     return;
1351
1352   // 2. show the dialog to change the value
1353   XGUI_ColorDialog* aDlg = new XGUI_ColorDialog(mainWindow());
1354   aDlg->setColor(aColor);
1355   aDlg->move(QCursor::pos());
1356   bool isDone = aDlg->exec() == QDialog::Accepted;
1357   if (!isDone)
1358     return;
1359
1360   bool isRandomColor = aDlg->isRandomColor();
1361
1362   // 3. abort the previous operation and start a new one
1363   SessionPtr aMgr = ModelAPI_Session::get();
1364   bool aWasOperation = aMgr->isOperation(); // keep this value
1365   if (!aWasOperation) {
1366     QString aDescription = contextMenuMgr()->action("COLOR_CMD")->text();
1367     aMgr->startOperation(aDescription.toStdString());
1368   }
1369
1370   // 4. set the value to all results
1371   std::vector<int> aColorResult = aDlg->getColor();
1372   foreach(ObjectPtr anObj, theObjects) {
1373     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
1374     if (aResult.get() != NULL) {
1375       ResultCompSolidPtr aCompsolidResult = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aResult);
1376       if (aCompsolidResult.get() != NULL) { // change colors for all sub-solids
1377         for(int i = 0; i < aCompsolidResult->numberOfSubs(); i++)
1378           setColor(aCompsolidResult->subResult(i), aColorResult);
1379       }
1380       setColor(aResult, aColorResult);
1381     }
1382   }
1383   if (!aWasOperation)
1384     aMgr->finishOperation();
1385   updateCommandStatus();
1386 }
1387
1388 //**************************************************************
1389 #define SET_DISPLAY_GROUP(aGroupName, aDisplay) \
1390 for (int i = 0; i < aDoc->size(aGroupName); i++) { \
1391   aDoc->object(aGroupName, i)->setDisplayed(aDisplay); \
1392 }
1393 void XGUI_Workshop::showObjects(const QObjectPtrList& theList, bool isVisible)
1394 {
1395   foreach (ObjectPtr aObj, theList) {
1396     /*
1397     ResultPartPtr aPartRes = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
1398     if (aPartRes) {
1399       DocumentPtr aDoc = aPartRes->partDoc();
1400       SET_DISPLAY_GROUP(ModelAPI_ResultBody::group(), isVisible)
1401       SET_DISPLAY_GROUP(ModelAPI_ResultConstruction::group(), isVisible)
1402       SET_DISPLAY_GROUP(ModelAPI_ResultGroup::group(), isVisible)
1403     } else {
1404     */
1405       aObj->setDisplayed(isVisible);
1406     //}
1407   }
1408   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1409 }
1410
1411 //**************************************************************
1412 void XGUI_Workshop::showOnlyObjects(const QObjectPtrList& theList)
1413 {
1414   // Hide all displayed objects
1415   QObjectPtrList aList = myDisplayer->displayedObjects();
1416   foreach (ObjectPtr aObj, aList)
1417     aObj->setDisplayed(false);
1418
1419   // Show only objects from the list
1420   foreach (ObjectPtr aObj, theList) {
1421     /*
1422     ResultPartPtr aPartRes = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
1423     if (aPartRes) {
1424       DocumentPtr aDoc = aPartRes->partDoc();
1425       SET_DISPLAY_GROUP(ModelAPI_ResultBody::group(), true)
1426       SET_DISPLAY_GROUP(ModelAPI_ResultConstruction::group(), true)
1427       SET_DISPLAY_GROUP(ModelAPI_ResultGroup::group(), true)
1428     } else {
1429     */
1430       aObj->setDisplayed(true);
1431     //}
1432   }
1433   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1434
1435 }
1436
1437
1438 //**************************************************************
1439 void XGUI_Workshop::registerValidators() const
1440 {
1441   SessionPtr aMgr = ModelAPI_Session::get();
1442   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
1443 }
1444
1445 //**************************************************************
1446 /*void XGUI_Workshop::displayAllResults()
1447 {
1448   SessionPtr aMgr = ModelAPI_Session::get();
1449   DocumentPtr aRootDoc = aMgr->moduleDocument();
1450   displayDocumentResults(aRootDoc);
1451   for (int i = 0; i < aRootDoc->size(ModelAPI_ResultPart::group()); i++) {
1452     ObjectPtr aObject = aRootDoc->object(ModelAPI_ResultPart::group(), i);
1453     ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObject);
1454     displayDocumentResults(aPart->partDoc());
1455   }
1456   myDisplayer->updateViewer();
1457 }*/
1458
1459 //**************************************************************
1460 void XGUI_Workshop::displayDocumentResults(DocumentPtr theDoc)
1461 {
1462   if (!theDoc)
1463     return;
1464   displayGroupResults(theDoc, ModelAPI_ResultConstruction::group());
1465   displayGroupResults(theDoc, ModelAPI_ResultBody::group());
1466 }
1467
1468 //**************************************************************
1469 void XGUI_Workshop::displayGroupResults(DocumentPtr theDoc, std::string theGroup)
1470 {
1471   for (int i = 0; i < theDoc->size(theGroup); i++) 
1472     theDoc->object(theGroup, i)->setDisplayed(true);
1473     //displayObject(theDoc->object(theGroup, i));
1474   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
1475 }
1476
1477 //**************************************************************
1478 void XGUI_Workshop::setDisplayMode(const QObjectPtrList& theList, int theMode)
1479 {
1480   foreach(ObjectPtr aObj, theList) {
1481     myDisplayer->setDisplayMode(aObj, (XGUI_Displayer::DisplayMode)theMode, false);
1482
1483     ResultCompSolidPtr aCompsolidResult = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aObj);
1484     if (aCompsolidResult.get() != NULL) { // change colors for all sub-solids
1485       for(int i = 0; i < aCompsolidResult->numberOfSubs(); i++) {
1486           myDisplayer->setDisplayMode(aCompsolidResult->subResult(i),
1487                                       (XGUI_Displayer::DisplayMode)theMode, false);
1488       }
1489     }
1490   }
1491   if (theList.size() > 0)
1492     myDisplayer->updateViewer();
1493 }
1494
1495 //**************************************************************
1496 void XGUI_Workshop::closeDocument()
1497 {
1498   ModuleBase_Operation* anOperation = operationMgr()->currentOperation();
1499   while (anOperation) {
1500     anOperation->abort();
1501     anOperation = operationMgr()->currentOperation();
1502   }
1503   myDisplayer->closeLocalContexts();
1504   myDisplayer->eraseAll();
1505   objectBrowser()->clearContent();
1506
1507   SessionPtr aMgr = ModelAPI_Session::get();
1508   aMgr->closeAll();
1509 }
1510
1511 void XGUI_Workshop::addHistoryMenu(QObject* theObject, const char* theSignal, const char* theSlot)
1512 {
1513   XGUI_HistoryMenu* aMenu = NULL;
1514   if (isSalomeMode()) {
1515     QAction* anAction = qobject_cast<QAction*>(theObject);
1516     if (!anAction)
1517       return;
1518     aMenu = new XGUI_HistoryMenu(anAction);
1519   } else {
1520     QToolButton* aButton =  qobject_cast<QToolButton*>(theObject);
1521     aMenu = new XGUI_HistoryMenu(aButton);
1522   }
1523   connect(this, theSignal, aMenu, SLOT(setHistory(const QList<ActionInfo>&)));
1524   connect(aMenu, SIGNAL(actionSelected(int)), this, theSlot);
1525 }
1526
1527 QList<ActionInfo> XGUI_Workshop::processHistoryList(const std::list<std::string>& theList) const
1528 {
1529   QList<ActionInfo> aResult;
1530   std::list<std::string>::const_iterator it = theList.cbegin();
1531   for (; it != theList.cend(); it++) {
1532     QString anId = QString::fromStdString(*it);
1533     bool isEditing = anId.endsWith(ModuleBase_Operation::EditSuffix());
1534     if (isEditing) {
1535       anId.chop(ModuleBase_Operation::EditSuffix().size());
1536     }
1537     ActionInfo anInfo;
1538     QAction* aContextMenuAct = myContextMenuMgr->actionByName(anId);
1539     if (aContextMenuAct) {
1540       anInfo.initFrom(aContextMenuAct);
1541     } else {
1542       anInfo = myActionsMgr->actionInfoById(anId);
1543     }
1544     if (isEditing) {
1545       anInfo.text = anInfo.text.prepend("Modify ");
1546     }
1547     aResult << anInfo;
1548   }
1549   return aResult;
1550 }