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Merge branch 'master' of newgeom:newgeom
[modules/shaper.git] / src / XGUI / XGUI_Workshop.cpp
1 #include "XGUI_Module.h"
2 #include "XGUI_Constants.h"
3 #include "XGUI_Command.h"
4 #include "XGUI_MainMenu.h"
5 #include "XGUI_MainWindow.h"
6 #include "XGUI_MenuGroupPanel.h"
7 #include "XGUI_Tools.h"
8 #include "XGUI_Workbench.h"
9 #include "XGUI_Workshop.h"
10 #include "XGUI_Viewer.h"
11 #include "ModuleBase_WidgetFactory.h"
12 #include "XGUI_SelectionMgr.h"
13 #include "XGUI_ObjectsBrowser.h"
14 #include "XGUI_Displayer.h"
15 #include "XGUI_OperationMgr.h"
16 #include "XGUI_SalomeConnector.h"
17 #include "XGUI_SalomeViewer.h"
18 #include "XGUI_ActionsMgr.h"
19 #include "XGUI_ErrorDialog.h"
20 #include "XGUI_ViewerProxy.h"
21 #include "XGUI_PropertyPanel.h"
22 #include "XGUI_ContextMenuMgr.h"
23 #include "XGUI_ModuleConnector.h"
24
25 #include <Model_Events.h>
26 #include <ModelAPI_PluginManager.h>
27 #include <ModelAPI_Feature.h>
28 #include <ModelAPI_Data.h>
29 #include <ModelAPI_AttributeDocRef.h>
30 #include <ModelAPI_Object.h>
31
32 #include <PartSetPlugin_Part.h>
33
34 #include <Events_Loop.h>
35 #include <Events_Error.h>
36 #include <ModuleBase_Operation.h>
37 #include <ModuleBase_Operation.h>
38 #include <ModuleBase_OperationDescription.h>
39 #include <Config_Common.h>
40 #include <Config_FeatureMessage.h>
41 #include <Config_PointerMessage.h>
42 #include <Config_ModuleReader.h>
43
44 #include <QApplication>
45 #include <QFileDialog>
46 #include <QMessageBox>
47 #include <QMdiSubWindow>
48 #include <QPushButton>
49 #include <QDockWidget>
50 #include <QLayout>
51 #include <QTimer>
52
53 #ifdef _DEBUG
54 #include <QDebug>
55 #endif
56
57 #ifdef WIN32
58 #include <windows.h>
59 #else
60 #include <dlfcn.h>
61 #endif
62
63
64 QMap<QString, QString> XGUI_Workshop::myIcons;
65
66 QString XGUI_Workshop::featureIcon(const std::string& theId)
67 {
68   QString aId(theId.c_str());
69   if (myIcons.contains(aId))
70     return myIcons[aId];
71   return QString();
72 }
73
74 XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
75   : QObject(),
76   myCurrentDir(QString()),
77   myPartSetModule(NULL),
78   mySalomeConnector(theConnector),
79   myPropertyPanel(0),
80   myObjectBrowser(0),
81   myDisplayer(0)
82 {
83   myMainWindow = mySalomeConnector? 0 : new XGUI_MainWindow();
84
85   myDisplayer = new XGUI_Displayer(this);
86
87   mySelector = new XGUI_SelectionMgr(this);
88
89   myOperationMgr = new XGUI_OperationMgr(this);
90   myActionsMgr = new XGUI_ActionsMgr(this);
91   myErrorDlg = new XGUI_ErrorDialog(myMainWindow);
92   myContextMenuMgr = new XGUI_ContextMenuMgr(this);
93   connect(myContextMenuMgr, SIGNAL(actionTriggered(const QString&, bool)), 
94           this, SLOT(onContextMenuCommand(const QString&, bool)));
95
96   myViewerProxy = new XGUI_ViewerProxy(this);
97   
98   myModuleConnector = new XGUI_ModuleConnector(this);
99
100   connect(myOperationMgr, SIGNAL(operationStarted()), SLOT(onOperationStarted()));
101   connect(myOperationMgr, SIGNAL(operationResumed()), SLOT(onOperationStarted()));
102   connect(myOperationMgr, SIGNAL(operationStopped(ModuleBase_Operation*)), SLOT(onOperationStopped(ModuleBase_Operation*)));
103   connect(myMainWindow, SIGNAL(exitKeySequence()), SLOT(onExit()));
104   connect(myOperationMgr, SIGNAL(operationStarted()), myActionsMgr, SLOT(update()));
105   connect(myOperationMgr, SIGNAL(operationStopped(ModuleBase_Operation*)), myActionsMgr, SLOT(update()));
106   connect(this, SIGNAL(errorOccurred(const QString&)), myErrorDlg, SLOT(addError(const QString&)));
107 }
108
109 //******************************************************
110 XGUI_Workshop::~XGUI_Workshop(void)
111 {
112 }
113
114 //******************************************************
115 void XGUI_Workshop::startApplication()
116 {
117   initMenu();
118   //Initialize event listening
119   Events_Loop* aLoop = Events_Loop::loop();
120   aLoop->registerListener(this, Events_Error::errorID()); //!< Listening application errors.
121   //TODO(sbh): Implement static method to extract event id [SEID]
122   Events_ID aFeatureId = aLoop->eventByName(EVENT_FEATURE_LOADED);
123   aLoop->registerListener(this, aFeatureId);
124   Events_ID aPartSetId = aLoop->eventByName("PartSetModuleEvent");
125   aLoop->registerListener(this, aPartSetId);
126   Events_ID aFeatureUpdatedId = aLoop->eventByName(EVENT_FEATURE_UPDATED);
127   aLoop->registerListener(this, aFeatureUpdatedId);
128   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_FEATURE_CREATED));
129
130   activateModule();
131   if (myMainWindow) {
132     myMainWindow->show();
133     updateCommandStatus();
134   }
135   onNew();
136 }
137
138 //******************************************************
139 void XGUI_Workshop::initMenu()
140 {
141   myContextMenuMgr->createActions();
142
143   if (isSalomeMode()) {
144     // Create only Undo, Redo commands
145     QAction* aAction = salomeConnector()->addEditCommand("UNDO_CMD", 
146                                       tr("Undo"), tr("Undo last command"),
147                                       QIcon(":pictures/undo.png"), 
148                                       QKeySequence::Undo, false);
149     connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onUndo()));
150     aAction = salomeConnector()->addEditCommand("REDO_CMD", 
151                                       tr("Redo"), tr("Redo last command"),
152                                       QIcon(":pictures/redo.png"), 
153                                       QKeySequence::Redo, false);
154     connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onRedo()));
155     salomeConnector()->addEditMenuSeparator();
156     return;
157   }
158   XGUI_Workbench* aPage = myMainWindow->menuObject()->generalPage();
159
160   // File commands group
161   XGUI_MenuGroupPanel* aGroup = aPage->addGroup("Default");
162
163   XGUI_Command* aCommand;
164
165   aCommand = aGroup->addFeature("SAVE_CMD", tr("Save..."), tr("Save the document"),
166                                 QIcon(":pictures/save.png"), QKeySequence::Save);
167   aCommand->connectTo(this, SLOT(onSave()));
168   //aCommand->disable();
169
170   aCommand = aGroup->addFeature("UNDO_CMD", tr("Undo"), tr("Undo last command"),
171                                 QIcon(":pictures/undo.png"), QKeySequence::Undo);
172   aCommand->connectTo(this, SLOT(onUndo()));
173
174   aCommand = aGroup->addFeature("REDO_CMD", tr("Redo"), tr("Redo last command"),
175                                 QIcon(":pictures/redo.png"), QKeySequence::Redo);
176   aCommand->connectTo(this, SLOT(onRedo()));
177
178   aCommand = aGroup->addFeature("REBUILD_CMD", tr("Rebuild"), tr("Rebuild data objects"),
179                                 QIcon(":pictures/rebuild.png"));
180
181   aCommand = aGroup->addFeature("SAVEAS_CMD", tr("Save as..."), tr("Save the document into a file"),
182                                 QIcon(":pictures/save.png"));
183   aCommand->connectTo(this, SLOT(onSaveAs()));
184   //aCommand->disable();
185
186   aCommand = aGroup->addFeature("OPEN_CMD", tr("Open..."), tr("Open a new document"),
187                                 QIcon(":pictures/open.png"), QKeySequence::Open);
188   aCommand->connectTo(this, SLOT(onOpen()));
189
190   //aCommand = aGroup->addFeature("NEW_CMD", tr("New"), tr("Create a new document"),
191   //                              QIcon(":pictures/new.png"), QKeySequence::New);
192   //aCommand->connectTo(this, SLOT(onNew()));
193
194   aCommand = aGroup->addFeature("EXIT_CMD", tr("Exit"), tr("Exit application"),
195                                 QIcon(":pictures/close.png"), QKeySequence::Close);
196   aCommand->connectTo(this, SLOT(onExit()));
197   //FIXME: SBH's test action. Can be used for some GUI tests.
198   //#ifdef _DEBUG
199   //  aCommand = aGroup->addFeature("TEST_CMD", "Test!", "Private debug button",
200   //                                QIcon(":pictures/close.png"));
201   //  aCommand->connectTo(myActionsMgr, SLOT(update()));
202   //#endif
203 }
204
205 //******************************************************
206 XGUI_Workbench* XGUI_Workshop::addWorkbench(const QString& theName)
207 {
208   XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
209   return aMenuBar->addWorkbench(theName);
210 }
211
212 //******************************************************
213 void XGUI_Workshop::processEvent(const Events_Message* theMessage)
214 {
215   //A message to start feature creation received.
216   static Events_ID aFeatureLoadedId = Events_Loop::loop()->eventByName(EVENT_FEATURE_LOADED);
217   if (theMessage->eventID() == aFeatureLoadedId) {
218     const Config_FeatureMessage* aFeatureMsg = dynamic_cast<const Config_FeatureMessage*>(theMessage);
219     if(!aFeatureMsg->isInternal()) {
220       addFeature(aFeatureMsg);
221     }
222     return;
223   }
224   // Process creation of Part
225   if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_FEATURE_CREATED)) {
226     const Model_FeatureUpdatedMessage* aUpdMsg = dynamic_cast<const Model_FeatureUpdatedMessage*>(theMessage);
227     std::set<FeaturePtr> aFeatures = aUpdMsg->features();
228
229     std::set<FeaturePtr>::const_iterator aIt;
230     bool aHasPart = false;
231     for (aIt = aFeatures.begin(); aIt != aFeatures.end(); ++aIt) {
232       FeaturePtr aFeature = (*aIt);
233       if (aFeature->getKind() == PARTSET_PART_KIND) {
234         aHasPart = true;
235         //break;
236       } else {
237         myDisplayer->display(aFeature, false);
238       }
239     }
240     myDisplayer->updateViewer();
241     if (aHasPart) {
242       //The created part will be created in Object Browser later and we have to activate it
243       // only when it is created everywere
244       QTimer::singleShot(50, this, SLOT(activateLastPart()));
245     }
246   }
247
248   //Update property panel on corresponding message. If there is no current operation (no
249   //property panel), or received message has different feature to the current - do nothing.
250   static Events_ID aFeatureUpdatedId = Events_Loop::loop()->eventByName(EVENT_FEATURE_UPDATED);
251   if (theMessage->eventID() == aFeatureUpdatedId) {
252     const Model_FeatureUpdatedMessage* anUpdateMsg =
253         dynamic_cast<const Model_FeatureUpdatedMessage*>(theMessage);
254
255     std::set<FeaturePtr> aFeatures = anUpdateMsg->features();
256     if (myOperationMgr->hasOperation())
257     {
258       FeaturePtr aCurrentFeature = myOperationMgr->currentOperation()->feature();
259       std::set<FeaturePtr>::const_iterator aIt;
260       for (aIt = aFeatures.begin(); aIt != aFeatures.end(); ++aIt) {
261         FeaturePtr aNewFeature = (*aIt);
262         if(aNewFeature == aCurrentFeature) {
263           myPropertyPanel->updateContentWidget(aCurrentFeature);
264           break;
265         } 
266       }
267     }
268     // Redisplay feature if it is modified
269     std::set<FeaturePtr>::const_iterator aIt;
270     for (aIt = aFeatures.begin(); aIt != aFeatures.end(); ++aIt) {
271       FeaturePtr aFeature = (*aIt);
272       if (aFeature->getKind() != PARTSET_PART_KIND)
273         myDisplayer->redisplay(aFeature, false);
274     }
275     myDisplayer->updateViewer();
276   }
277   //An operation passed by message. Start it, process and commit.
278   const Config_PointerMessage* aPartSetMsg = dynamic_cast<const Config_PointerMessage*>(theMessage);
279   if (aPartSetMsg) {
280     // Clear previous content
281     myPropertyPanel->cleanContent();
282     ModuleBase_Operation* anOperation =
283         (ModuleBase_Operation*)(aPartSetMsg->pointer());
284
285     if (myOperationMgr->startOperation(anOperation)) {
286       myPropertyPanel->updateContentWidget(anOperation->feature());
287       if (anOperation->getDescription()->xmlRepresentation().isEmpty()) {
288         anOperation->commit();
289         updateCommandStatus();
290       }
291     }
292     return;
293   }
294   //Show error dialog if error message received.
295   const Events_Error* anAppError = dynamic_cast<const Events_Error*>(theMessage);
296   if (anAppError) {
297     emit errorOccurred(QString::fromLatin1(anAppError->description()));
298   }
299
300 }
301
302 //******************************************************
303 void XGUI_Workshop::onOperationStarted()
304 {
305   ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
306
307   if(!aOperation->getDescription()->xmlRepresentation().isEmpty()) { //!< No need for property panel
308     connectWithOperation(aOperation);
309
310     showPropertyPanel();
311
312     ModuleBase_WidgetFactory aFactory = ModuleBase_WidgetFactory(aOperation, myModuleConnector);
313     QWidget* aContent = myPropertyPanel->contentWidget();
314     qDeleteAll(aContent->children());
315     aFactory.createWidget(aContent);
316     myPropertyPanel->setModelWidgets(aFactory.getModelWidgets());
317     myPropertyPanel->setWindowTitle(aOperation->getDescription()->description());
318   }
319   updateCommandStatus();
320 }
321
322 //******************************************************
323 void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
324 {
325   //!< No need for property panel
326   updateCommandStatus();
327   hidePropertyPanel();
328 }
329
330 /*
331  *
332  */
333 void XGUI_Workshop::addFeature(const Config_FeatureMessage* theMessage)
334 {
335   if (!theMessage) {
336 #ifdef _DEBUG
337     qDebug() << "XGUI_Workshop::addFeature: NULL message.";
338 #endif
339     return;
340   }
341   // Remember features icons
342   myIcons[QString::fromStdString(theMessage->id())] = QString::fromStdString(theMessage->icon());
343
344   //Find or create Workbench
345   QString aWchName = QString::fromStdString(theMessage->workbenchId());
346   QString aNestedFeatures = QString::fromStdString(theMessage->nestedFeatures());
347   bool isUsePropPanel = theMessage->isUseInput();
348   QString aId = QString::fromStdString(theMessage->id());
349   if (isSalomeMode()) {
350     QAction* aAction = salomeConnector()->addFeature(aWchName,
351                               aId,
352                               QString::fromStdString(theMessage->text()),
353                               QString::fromStdString(theMessage->tooltip()),
354                               QIcon(theMessage->icon().c_str()),
355                               QKeySequence(), isUsePropPanel);
356     salomeConnector()->setNestedActions(aId, aNestedFeatures.split(" "));
357     myActionsMgr->addCommand(aAction);
358     myPartSetModule->featureCreated(aAction);
359   } else {
360
361     XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
362     XGUI_Workbench* aPage = aMenuBar->findWorkbench(aWchName);
363     if (!aPage) {
364       aPage = addWorkbench(aWchName);
365     }
366     //Find or create Group
367     QString aGroupName = QString::fromStdString(theMessage->groupId());
368     XGUI_MenuGroupPanel* aGroup = aPage->findGroup(aGroupName);
369     if (!aGroup) {
370       aGroup = aPage->addGroup(aGroupName);
371     }
372     //Create feature...
373     XGUI_Command* aCommand = aGroup->addFeature(aId,
374                                                 QString::fromStdString(theMessage->text()),
375                                                 QString::fromStdString(theMessage->tooltip()),
376                                                 QIcon(theMessage->icon().c_str()),
377                                                 QKeySequence(), isUsePropPanel);
378     aCommand->setNestedCommands(aNestedFeatures.split(" ", QString::SkipEmptyParts));
379     myActionsMgr->addCommand(aCommand);
380     myPartSetModule->featureCreated(aCommand);
381   }
382 }
383
384 /*
385  * Makes a signal/slot connections between Property Panel
386  * and given operation. The given operation becomes a
387  * current operation and previous operation if exists
388  */
389 void XGUI_Workshop::connectWithOperation(ModuleBase_Operation* theOperation)
390 {
391   QAction* aCommand = 0;
392   if (isSalomeMode()) {
393     aCommand = salomeConnector()->command(theOperation->getDescription()->operationId());
394   } else {
395     XGUI_MainMenu* aMenu = myMainWindow->menuObject();
396     aCommand = aMenu->feature(theOperation->getDescription()->operationId());
397   }
398   //Abort operation on uncheck the command
399   connect(aCommand, SIGNAL(triggered(bool)), theOperation, SLOT(setRunning(bool)));
400 }
401
402 /*
403  * Saves document with given name.
404  */
405 void XGUI_Workshop::saveDocument(QString theName)
406 {
407   QApplication::restoreOverrideCursor();
408   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
409   DocumentPtr aDoc = aMgr->rootDocument();
410   aDoc->save(theName.toLatin1().constData());
411   QApplication::restoreOverrideCursor();
412 }
413
414 //******************************************************
415 void XGUI_Workshop::onExit()
416 {
417   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
418   DocumentPtr aDoc = aMgr->rootDocument();
419   if(aDoc->isModified()) {
420     int anAnswer = QMessageBox::question(
421         myMainWindow, tr("Save current file"),
422         tr("The document is modified, save before exit?"),
423         QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
424     if(anAnswer == QMessageBox::Save) {
425       bool saved = onSave();
426       if(!saved) {
427         return;
428       }
429     } else if (anAnswer == QMessageBox::Cancel) {
430       return;
431     }
432   }
433   qApp->exit();
434 }
435
436 //******************************************************
437 void XGUI_Workshop::onNew()
438 {
439   QApplication::setOverrideCursor(Qt::WaitCursor);
440   if (objectBrowser() == 0) {
441     createDockWidgets();
442     mySelector->connectViewers();
443   }
444   myViewerProxy->connectToViewer();
445   showObjectBrowser();
446   if (!isSalomeMode()) {
447     myMainWindow->showPythonConsole();
448     QMdiSubWindow* aWnd = myMainWindow->viewer()->createView();
449     myContextMenuMgr->connectViewer();
450     aWnd->showMaximized();
451     updateCommandStatus();
452   }
453   QApplication::restoreOverrideCursor();
454 }
455
456 //******************************************************
457 void XGUI_Workshop::onOpen()
458 {
459   //save current file before close if modified
460   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
461   DocumentPtr aDoc = aMgr->rootDocument();
462   if(aDoc->isModified()) {
463     //TODO(sbh): re-launch the app?
464     int anAnswer = QMessageBox::question(
465         myMainWindow, tr("Save current file"),
466         tr("The document is modified, save before opening another?"),
467         QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
468     if(anAnswer == QMessageBox::Save) {
469       onSave();
470     } else if (anAnswer == QMessageBox::Cancel) {
471       return;
472     }
473     aDoc->close();
474     myCurrentDir = "";
475   }
476
477   //show file dialog, check if readable and open
478   myCurrentDir = QFileDialog::getExistingDirectory(mainWindow());
479   if(myCurrentDir.isEmpty())
480     return;
481   QFileInfo aFileInfo(myCurrentDir);
482   if(!aFileInfo.exists() || !aFileInfo.isReadable()) {
483     QMessageBox::critical(myMainWindow, tr("Warning"), tr("Unable to open the file."));
484     myCurrentDir = "";
485     return;
486   }
487   QApplication::setOverrideCursor(Qt::WaitCursor);
488   aDoc->load(myCurrentDir.toLatin1().constData());
489   updateCommandStatus();
490   myObjectBrowser->rebuildDataTree();
491   QApplication::restoreOverrideCursor();
492 }
493
494 //******************************************************
495 bool XGUI_Workshop::onSave()
496 {
497   if(myCurrentDir.isEmpty()) {
498     return onSaveAs();
499   }
500   saveDocument(myCurrentDir);
501   updateCommandStatus();
502   return true;
503 }
504
505 //******************************************************
506 bool XGUI_Workshop::onSaveAs()
507 {
508   QFileDialog dialog(mainWindow());
509   dialog.setWindowTitle(tr("Select directory to save files..."));
510   dialog.setFileMode(QFileDialog::Directory);
511   dialog.setFilter(tr("Folders (*)"));
512   dialog.setOptions(QFileDialog::HideNameFilterDetails | QFileDialog::ShowDirsOnly);
513   dialog.setViewMode(QFileDialog::Detail);
514
515   if(!dialog.exec()) {
516     return false;
517   }
518   QString aTempDir = dialog.selectedFiles().first();
519   QDir aDir(aTempDir);
520   if(aDir.exists() && !aDir.entryInfoList(QDir::NoDotAndDotDot|QDir::AllEntries).isEmpty()) {
521     int answer = QMessageBox::question(myMainWindow,
522                                        //: Title of the dialog which asks user if he wants to save study in existing non-empty folder
523                                        tr("Save"),
524                                        tr("The folder already contains some files, save anyway?"),
525                                        QMessageBox::Save|QMessageBox::Cancel);
526     if(answer == QMessageBox::Cancel) {
527       return false;
528     }
529   }
530   myCurrentDir = aTempDir;
531   return onSave();
532 }
533
534 //******************************************************
535 void XGUI_Workshop::onUndo()
536 {
537   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
538   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
539   DocumentPtr aDoc = aMgr->rootDocument();
540   if (aDoc->isOperation())
541     operationMgr()->abortOperation();
542   aDoc->undo();
543   updateCommandStatus();
544 }
545
546 //******************************************************
547 void XGUI_Workshop::onRedo()
548 {
549   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
550   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
551   DocumentPtr aDoc = aMgr->rootDocument();
552   if (aDoc->isOperation())
553     operationMgr()->abortOperation();
554   aDoc->redo();
555   updateCommandStatus();
556 }
557
558 //******************************************************
559 XGUI_Module* XGUI_Workshop::loadModule(const QString& theModule)
560 {
561   QString libName =
562       QString::fromStdString(library(theModule.toStdString()));
563   if (libName.isEmpty()) {
564     qWarning(
565     qPrintable( tr( "Information about module \"%1\" doesn't exist." ).arg( theModule ) ));
566     return 0;
567   }
568
569   QString err;
570   CREATE_FUNC crtInst = 0;
571
572 #ifdef WIN32
573   HINSTANCE modLib = ::LoadLibrary((LPTSTR) qPrintable(libName));
574   if (!modLib) {
575     LPVOID lpMsgBuf;
576     ::FormatMessage(
577         FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
578         0, ::GetLastError(), 0, (LPTSTR) & lpMsgBuf, 0, 0);
579     QString aMsg((char*) &lpMsgBuf);
580     err = QString("Failed to load  %1. %2").arg(libName).arg(aMsg);
581     ::LocalFree(lpMsgBuf);
582   } else {
583     crtInst = (CREATE_FUNC) ::GetProcAddress(modLib, CREATE_MODULE);
584     if (!crtInst) {
585       LPVOID lpMsgBuf;
586       ::FormatMessage(
587           FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM
588               | FORMAT_MESSAGE_IGNORE_INSERTS,
589           0, ::GetLastError(), 0, (LPTSTR) & lpMsgBuf, 0, 0);
590       QString aMsg((char*) &lpMsgBuf);
591       err = QString("Failed to find  %1 function. %2").arg( CREATE_MODULE).arg(aMsg);
592       ::LocalFree(lpMsgBuf);
593     }
594   }
595 #else
596   void* modLib = dlopen( libName.toLatin1(), RTLD_LAZY | RTLD_GLOBAL );
597   if ( !modLib ) {
598     err = QString( "Can not load library %1. %2" ).arg( libName ).arg( dlerror() );
599   } else {
600     crtInst = (CREATE_FUNC)dlsym( modLib, CREATE_MODULE );
601     if ( !crtInst ) {
602       err = QString( "Failed to find function %1. %2" ).arg( CREATE_MODULE ).arg( dlerror() );
603     }
604   }
605 #endif
606
607   XGUI_Module* aModule = crtInst ? crtInst(this) : 0;
608
609   if (!err.isEmpty()) {
610     if (mainWindow()) {
611       QMessageBox::warning(mainWindow(), tr("Error"), err);
612     } else {
613       qWarning( qPrintable( err ));
614     }
615   }
616   return aModule;
617 }
618
619 //******************************************************
620 bool XGUI_Workshop::activateModule()
621 {
622   Config_ModuleReader aModuleReader;
623   QString moduleName = QString::fromStdString(aModuleReader.getModuleName());
624   myPartSetModule = loadModule(moduleName);
625   if (!myPartSetModule)
626     return false;
627   myPartSetModule->createFeatures();
628   myActionsMgr->update();
629   return true;
630 }
631
632 //******************************************************
633 void XGUI_Workshop::updateCommandStatus()
634 {
635   QList<QAction*> aCommands;
636   if (isSalomeMode()) { // update commands in SALOME mode
637     aCommands = salomeConnector()->commandList();
638   } else {
639     XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
640     foreach (XGUI_Command* aCmd, aMenuBar->features())
641       aCommands.append(aCmd);
642   }
643   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
644   if (aMgr->hasRootDocument()) {
645     QAction* aUndoCmd;
646     QAction* aRedoCmd;
647     foreach(QAction* aCmd, aCommands) {
648       QString aId = aCmd->data().toString();
649       if (aId == "UNDO_CMD")
650         aUndoCmd = aCmd;
651       else if (aId == "REDO_CMD")
652         aRedoCmd = aCmd;
653       else // Enable all commands
654         aCmd->setEnabled(true);
655     }
656     DocumentPtr aDoc = aMgr->rootDocument();
657     aUndoCmd->setEnabled(aDoc->canUndo());
658     aRedoCmd->setEnabled(aDoc->canRedo());
659   } else {
660     foreach(QAction* aCmd, aCommands) {
661       QString aId = aCmd->data().toString();
662       if (aId == "NEW_CMD")
663         aCmd->setEnabled(true);
664       else if (aId == "EXIT_CMD")
665         aCmd->setEnabled(true);
666       else 
667         aCmd->setEnabled(false);
668     }
669   }
670   myActionsMgr->update();
671 }
672
673 //******************************************************
674 QDockWidget* XGUI_Workshop::createObjectBrowser(QWidget* theParent)
675 {
676   QDockWidget* aObjDock = new QDockWidget(theParent);
677   aObjDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
678   aObjDock->setWindowTitle(tr("Object browser"));
679   aObjDock->setStyleSheet("::title { position: relative; padding-left: 5px; text-align: left center }");
680   myObjectBrowser = new XGUI_ObjectsBrowser(aObjDock);
681   connect(myObjectBrowser, SIGNAL(activePartChanged(FeaturePtr)), this, SLOT(changeCurrentDocument(FeaturePtr)));
682   aObjDock->setWidget(myObjectBrowser);
683
684   myContextMenuMgr->connectObjectBrowser();
685   return aObjDock;
686 }
687
688 //******************************************************
689 /*
690  * Creates dock widgets, places them in corresponding area
691  * and tabifies if necessary.
692  */
693 void XGUI_Workshop::createDockWidgets()
694 {
695   QMainWindow* aDesktop = isSalomeMode()? salomeConnector()->desktop() :
696                                           myMainWindow;
697   QDockWidget* aObjDock = createObjectBrowser(aDesktop);
698   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, aObjDock);
699   myPropertyPanel = new XGUI_PropertyPanel(aDesktop);
700   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, myPropertyPanel);
701   hidePropertyPanel(); //<! Invisible by default
702   hideObjectBrowser();
703   aDesktop->tabifyDockWidget(aObjDock, myPropertyPanel);
704
705   QPushButton* aOkBtn = myPropertyPanel->findChild<QPushButton*>(XGUI::PROP_PANEL_OK);
706   connect(aOkBtn, SIGNAL(clicked()), myOperationMgr, SLOT(onCommitOperation()));
707   QPushButton* aCancelBtn = myPropertyPanel->findChild<QPushButton*>(XGUI::PROP_PANEL_CANCEL);
708   connect(aCancelBtn, SIGNAL(clicked()), myOperationMgr, SLOT(onAbortOperation()));
709
710   connect(myPropertyPanel, SIGNAL(keyReleased(const std::string&, QKeyEvent*)),
711           myOperationMgr, SLOT(onKeyReleased(const std::string&, QKeyEvent*)));
712 }
713
714 //******************************************************
715 void XGUI_Workshop::showPropertyPanel()
716 {
717   QAction* aViewAct = myPropertyPanel->toggleViewAction();
718   //<! Restore ability to close panel from the window's menu
719   aViewAct->setEnabled(true);
720   myPropertyPanel->show();
721   myPropertyPanel->raise();
722 }
723
724 //******************************************************
725 void XGUI_Workshop::hidePropertyPanel()
726 {
727   QAction* aViewAct = myPropertyPanel->toggleViewAction();
728   //<! Do not allow to show empty property panel
729   aViewAct->setEnabled(false);
730   myPropertyPanel->hide();
731 }
732
733 //******************************************************
734 void XGUI_Workshop::showObjectBrowser()
735 {
736   myObjectBrowser->parentWidget()->show();
737 }
738
739 //******************************************************
740 void XGUI_Workshop::hideObjectBrowser()
741 {
742   myObjectBrowser->parentWidget()->hide();
743 }
744
745 //******************************************************
746 void XGUI_Workshop::onFeatureTriggered()
747 {
748   QAction* aCmd = dynamic_cast<QAction*>(sender());
749   if (aCmd) {
750     QString aId = salomeConnector()->commandId(aCmd);
751     if (!aId.isNull())
752       myPartSetModule->launchOperation(aId);
753   }
754 }
755
756 //******************************************************
757 void XGUI_Workshop::changeCurrentDocument(FeaturePtr thePart)
758 {
759   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
760   if (thePart) {
761     DocumentPtr aFeaDoc;
762     if (!XGUI_Tools::isModelObject(thePart)) {
763       aFeaDoc = thePart->data()->docRef("PartDocument")->value();
764     } else {
765       ObjectPtr aObject = boost::dynamic_pointer_cast<ModelAPI_Object>(thePart);
766       aFeaDoc = aObject->featureRef()->data()->docRef("PartDocument")->value();
767     }
768     if (aFeaDoc)
769       aMgr->setCurrentDocument(aFeaDoc);
770   } else {
771     aMgr->setCurrentDocument(aMgr->rootDocument());
772   }
773 }
774
775 //******************************************************
776 void XGUI_Workshop::salomeViewerSelectionChanged()
777 {
778   emit salomeViewerSelection();
779 }
780
781
782 //**************************************************************
783 XGUI_SalomeViewer* XGUI_Workshop::salomeViewer() const 
784
785   return mySalomeConnector->viewer(); 
786 }
787
788 //**************************************************************
789 void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
790 {
791   QFeatureList aFeatures = mySelector->selectedFeatures();
792   if ((theId == "ACTIVATE_PART_CMD") && (aFeatures.size() > 0))
793     activatePart(aFeatures.first());
794   else if (theId == "DEACTIVATE_PART_CMD") 
795     activatePart(FeaturePtr());
796   else if (theId == "DELETE_CMD")
797     deleteFeatures(aFeatures);
798   else if (theId == "SHOW_CMD")
799     showFeatures(aFeatures, true);
800   else if (theId == "HIDE_CMD")
801     showFeatures(aFeatures, false);
802 }
803
804 //**************************************************************
805 void XGUI_Workshop::activatePart(FeaturePtr theFeature)
806 {
807   changeCurrentDocument(theFeature);
808   myObjectBrowser->activatePart(theFeature);
809 }
810
811 //**************************************************************
812 void XGUI_Workshop::activateLastPart()
813 {
814   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
815   DocumentPtr aDoc = aMgr->rootDocument();
816   FeaturePtr aLastPart = aDoc->feature(PARTS_GROUP, aDoc->size(PARTS_GROUP) - 1, true);
817   activatePart(aLastPart);
818 }
819
820 //**************************************************************
821 void XGUI_Workshop::deleteFeatures(QFeatureList theList)
822 {
823   QMainWindow* aDesktop = isSalomeMode()? salomeConnector()->desktop() : myMainWindow;
824   QMessageBox::StandardButton aRes = QMessageBox::warning(aDesktop, tr("Delete features"), 
825                                                           tr("Seleted features will be deleted. Continue?"), 
826                                                           QMessageBox::No | QMessageBox::Yes, QMessageBox::No);
827   if (aRes == QMessageBox::Yes) {
828     PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
829     aMgr->rootDocument()->startOperation();
830     foreach (FeaturePtr aFeature, theList) {
831       if (aFeature->getKind() == PARTSET_PART_KIND) {
832         DocumentPtr aDoc;
833         if (!XGUI_Tools::isModelObject(aFeature)) {
834           aDoc = aFeature->data()->docRef("PartDocument")->value();
835         } else {
836           ObjectPtr aObject = boost::dynamic_pointer_cast<ModelAPI_Object>(aFeature);
837           aDoc = aObject->featureRef()->data()->docRef("PartDocument")->value();
838           aFeature = aObject->featureRef();
839         }
840         if (aDoc == aMgr->currentDocument()) {
841           aDoc->close();
842         }
843       } else {
844         if (XGUI_Tools::isModelObject(aFeature)) {
845           ObjectPtr aObject = boost::dynamic_pointer_cast<ModelAPI_Object>(aFeature);
846           aFeature = aObject->featureRef();
847         }
848       }
849       if (myDisplayer->isVisible(aFeature))
850         myDisplayer->erase(aFeature, false);
851       aFeature->document()->removeFeature(aFeature);
852     }
853     myDisplayer->updateViewer();
854     aMgr->rootDocument()->finishOperation();
855   }
856 }
857
858 //**************************************************************
859 void XGUI_Workshop::showFeatures(QFeatureList theList, bool isVisible)
860 {
861   if (isVisible) {
862     foreach (FeaturePtr aFeature, theList) {
863       myDisplayer->display(aFeature, false);
864     }
865   } else {
866     foreach (FeaturePtr aFeature, theList) {
867       myDisplayer->erase(aFeature, false);
868     }
869   }
870   myDisplayer->updateViewer();
871 }