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