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
  23 #include <Model_Events.h>
  24 #include <ModelAPI_PluginManager.h>
  25 #include <ModelAPI_Feature.h>
  26 #include <ModelAPI_Data.h>
  27 #include <ModelAPI_AttributeDocRef.h>
  28
  29 #include <Events_Loop.h>
  30 #include <Events_Error.h>
  31 #include <ModuleBase_Operation.h>
  32 #include <ModuleBase_Operation.h>
  33 #include <ModuleBase_OperationDescription.h>
  34 #include <Config_FeatureMessage.h>
  35 #include <Config_PointerMessage.h>
  36
  37 #include <QApplication>
  38 #include <QFileDialog>
  39 #include <QMessageBox>
  40 #include <QMdiSubWindow>
  41 #include <QPushButton>
  42 #include <QDockWidget>
  43 #include <QLayout>
  44
  45 #ifdef _DEBUG
  46 #include <QDebug>
  47 #endif
  48
  49 #ifdef WIN32
  50 #include <windows.h>
  51 #else
  52 #include <dlfcn.h>
  53 #endif
  54
  55 XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
  56   : QObject(),
  57   myCurrentFile(QString()),
  58   myPartSetModule(NULL),
  59   mySalomeConnector(theConnector),
  60   myPropertyPanel(0),
  61   myObjectBrowser(0),
  62   myDisplayer(0)
  63 {
  64   myMainWindow = mySalomeConnector? 0 : new XGUI_MainWindow();
  65
  66   myDisplayer = new XGUI_Displayer(this);
  67
  68   mySelector = new XGUI_SelectionMgr(this);
  69   connect(mySelector, SIGNAL(selectionChanged()), this, SLOT(changeCurrentDocument()));
  70
  71   myOperationMgr = new XGUI_OperationMgr(this);
  72   myActionsMgr = new XGUI_ActionsMgr(this);
  73   myErrorDlg = new XGUI_ErrorDialog(myMainWindow);
  74
  75   myViewerProxy = new XGUI_ViewerProxy(this);
  76
  77   connect(myOperationMgr, SIGNAL(operationStarted()),  this, SLOT(onOperationStarted()));
  78   connect(myOperationMgr, SIGNAL(operationStopped(ModuleBase_Operation*)),
  79           this, SLOT(onOperationStopped(ModuleBase_Operation*)));
  80   connect(this, SIGNAL(errorOccurred(const QString&)), myErrorDlg, SLOT(addError(const QString&)));
  81 }
  82
  83 //******************************************************
  84 XGUI_Workshop::~XGUI_Workshop(void)
  85 {
  86 }
  87
  88 //******************************************************
  89 void XGUI_Workshop::startApplication()
  90 {
  91   initMenu();
  92   //Initialize event listening
  93   Events_Loop* aLoop = Events_Loop::loop();
  94   aLoop->registerListener(this, Events_Error::errorID()); //!< Listening application errors.
  95   //TODO(sbh): Implement static method to extract event id [SEID]
  96   Events_ID aFeatureId = aLoop->eventByName(EVENT_FEATURE_LOADED);
  97   aLoop->registerListener(this, aFeatureId);
  98   Events_ID aPartSetId = aLoop->eventByName("PartSetModuleEvent");
  99   aLoop->registerListener(this, aPartSetId);
 100   Events_ID aFeatureUpdatedId = aLoop->eventByName(EVENT_FEATURE_UPDATED);
 101   aLoop->registerListener(this, aFeatureUpdatedId);
 102   activateModule();
 103   if (myMainWindow) {
 104     myMainWindow->show();
 105     updateCommandStatus();
 106   }
 107   onNew();
 108 }
 109
 110 //******************************************************
 111 void XGUI_Workshop::initMenu()
 112 {
 113   if (isSalomeMode()) {
 114     // Create only Undo, Redo commands
 115     salomeConnector()->addEditCommand("UNDO_CMD",
 116                                       tr("Undo"), tr("Undo last command"),
 117                                       QIcon(":pictures/undo.png"),
 118                                       false, this, SLOT(onUndo()),
 119                                       QKeySequence::Undo);
 120     salomeConnector()->addEditCommand("REDO_CMD",
 121                                       tr("Redo"), tr("Redo last command"),
 122                                       QIcon(":pictures/redo.png"),
 123                                       false, this, SLOT(onRedo()),
 124                                       QKeySequence::Redo);
 125     salomeConnector()->addEditMenuSeparator();
 126     return;
 127   }
 128   XGUI_Workbench* aPage = myMainWindow->menuObject()->generalPage();
 129
 130   // File commands group
 131   XGUI_MenuGroupPanel* aGroup = aPage->addGroup("Default");
 132
 133   XGUI_Command* aCommand;
 134
 135   aCommand = aGroup->addFeature("SAVE_CMD", tr("Save..."), tr("Save the document"),
 136                                 QIcon(":pictures/save.png"), QKeySequence::Save);
 137   aCommand->connectTo(this, SLOT(onSave()));
 138   //aCommand->disable();
 139
 140   aCommand = aGroup->addFeature("UNDO_CMD", tr("Undo"), tr("Undo last command"),
 141                                 QIcon(":pictures/undo.png"), QKeySequence::Undo);
 142   aCommand->connectTo(this, SLOT(onUndo()));
 143
 144   aCommand = aGroup->addFeature("REDO_CMD", tr("Redo"), tr("Redo last command"),
 145                                 QIcon(":pictures/redo.png"), QKeySequence::Redo);
 146   aCommand->connectTo(this, SLOT(onRedo()));
 147
 148   aCommand = aGroup->addFeature("REBUILD_CMD", tr("Rebuild"), tr("Rebuild data objects"),
 149                                 QIcon(":pictures/rebuild.png"));
 150
 151   aCommand = aGroup->addFeature("SAVEAS_CMD", tr("Save as..."), tr("Save the document into a file"),
 152                                 QIcon(":pictures/save.png"));
 153   aCommand->connectTo(this, SLOT(onSaveAs()));
 154   //aCommand->disable();
 155
 156   aCommand = aGroup->addFeature("OPEN_CMD", tr("Open..."), tr("Open a new document"),
 157                                 QIcon(":pictures/open.png"), QKeySequence::Open);
 158   aCommand->connectTo(this, SLOT(onOpen()));
 159
 160   //aCommand = aGroup->addFeature("NEW_CMD", tr("New"), tr("Create a new document"),
 161   //                              QIcon(":pictures/new.png"), QKeySequence::New);
 162   //aCommand->connectTo(this, SLOT(onNew()));
 163
 164   aCommand = aGroup->addFeature("EXIT_CMD", tr("Exit"), tr("Exit application"),
 165                                 QIcon(":pictures/close.png"), QKeySequence::Close);
 166   aCommand->connectTo(this, SLOT(onExit()));
 167
 168 }
 169
 170 //******************************************************
 171 XGUI_Workbench* XGUI_Workshop::addWorkbench(const QString& theName)
 172 {
 173   XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
 174   return aMenuBar->addWorkbench(theName);
 175 }
 176
 177 //******************************************************
 178 void XGUI_Workshop::processEvent(const Events_Message* theMessage)
 179 {
 180   //A message to start feature creation received.
 181   static Events_ID aFeatureLoadedId = Events_Loop::loop()->eventByName(EVENT_FEATURE_LOADED);
 182   if (theMessage->eventID() == aFeatureLoadedId) {
 183     const Config_FeatureMessage* aFeatureMsg = dynamic_cast<const Config_FeatureMessage*>(theMessage);
 184     addFeature(aFeatureMsg);
 185     return;
 186   }
 187   //Update property panel on corresponding message. If there is no current operation (no
 188   //property panel), or received message has different feature to the current - do nothing.
 189   static Events_ID aFeatureUpdatedId = Events_Loop::loop()->eventByName(EVENT_FEATURE_UPDATED);
 190   if (theMessage->eventID() == aFeatureUpdatedId && myOperationMgr->hasOperation())
 191   {
 192     const Model_FeatureUpdatedMessage* anUpdateMsg =
 193         dynamic_cast<const Model_FeatureUpdatedMessage*>(theMessage);
 194     boost::shared_ptr<ModelAPI_Feature> aNewFeature = anUpdateMsg->feature();
 195     boost::shared_ptr<ModelAPI_Feature> aCurrentFeature = myOperationMgr->currentOperation()->feature();
 196     if(aNewFeature == aCurrentFeature) {
 197       myPropertyPanel->updateContentWidget(aCurrentFeature);
 198     }
 199   }
 200   //An operation passed by message. Start it, process and commit.
 201   const Config_PointerMessage* aPartSetMsg = dynamic_cast<const Config_PointerMessage*>(theMessage);
 202   if (aPartSetMsg) {
 203     ModuleBase_Operation* anOperation =
 204         (ModuleBase_Operation*)(aPartSetMsg->pointer());
 205
 206     if (myOperationMgr->startOperation(anOperation)) {
 207       if (anOperation->getDescription()->xmlRepresentation().isEmpty()) {
 208         anOperation->commit();
 209         updateCommandStatus();
 210       }
 211     }
 212     return;
 213   }
 214   //Show error dialog if error message received.
 215   const Events_Error* anAppError = dynamic_cast<const Events_Error*>(theMessage);
 216   if (anAppError) {
 217     emit errorOccurred(QString::fromLatin1(anAppError->description()));
 218     myErrorDlg->show();
 219     myErrorDlg->raise();
 220     myErrorDlg->activateWindow();
 221   }
 222
 223 }
 224
 225 //******************************************************
 226 void XGUI_Workshop::onOperationStarted()
 227 {
 228   ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
 229
 230   if(!aOperation->getDescription()->xmlRepresentation().isEmpty()) { //!< No need for property panel
 231     connectWithOperation(aOperation);
 232
 233     showPropertyPanel();
 234
 235     ModuleBase_WidgetFactory aFactory = ModuleBase_WidgetFactory(aOperation);
 236     QWidget* aContent = myPropertyPanel->contentWidget();
 237     qDeleteAll(aContent->children());
 238     aFactory.createWidget(aContent);
 239     myPropertyPanel->setModelWidgets(aFactory.getModelWidgets());
 240     myPropertyPanel->setWindowTitle(aOperation->getDescription()->description());
 241   }
 242 }
 243
 244 //******************************************************
 245 void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
 246 {
 247   ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
 248
 249   if(aOperation->getDescription()->xmlRepresentation().isEmpty()) { //!< No need for property panel
 250     updateCommandStatus();
 251   } else {
 252     hidePropertyPanel();
 253     updateCommandStatus();
 254     myActionsMgr->restoreCommandState();
 255   }
 256 }
 257
 258 /*
 259  *
 260  */
 261 void XGUI_Workshop::addFeature(const Config_FeatureMessage* theMessage)
 262 {
 263   if (!theMessage) {
 264 #ifdef _DEBUG
 265     qDebug() << "XGUI_Workshop::addFeature: NULL message.";
 266 #endif
 267     return;
 268   }
 269   //Find or create Workbench
 270   QString aWchName = QString::fromStdString(theMessage->workbenchId());
 271   QString aNestedFeatures = QString::fromStdString(theMessage->nestedFeatures());
 272   bool isUsePropPanel = theMessage->isUseInput();
 273   if (isSalomeMode()) {
 274     QString aId = QString::fromStdString(theMessage->id());
 275     salomeConnector()->addFeature(aWchName,
 276                                   QString::fromStdString(theMessage->id()),
 277                                   aId,
 278                                   QString::fromStdString(theMessage->tooltip()),
 279                                   QIcon(theMessage->icon().c_str()),
 280                                   isUsePropPanel, this,
 281                                   SLOT(onFeatureTriggered()), QKeySequence());
 282     myActionsMgr->addCommand(aId, salomeConnector()->command(aId));
 283     salomeConnector()->setNestedActions(aId, aNestedFeatures.split(" "));
 284
 285   } else {
 286
 287     XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
 288     XGUI_Workbench* aPage = aMenuBar->findWorkbench(aWchName);
 289     if (!aPage) {
 290       aPage = addWorkbench(aWchName);
 291     }
 292     //Find or create Group
 293     QString aGroupName = QString::fromStdString(theMessage->groupId());
 294     XGUI_MenuGroupPanel* aGroup = aPage->findGroup(aGroupName);
 295     if (!aGroup) {
 296       aGroup = aPage->addGroup(aGroupName);
 297     }
 298     //Create feature...
 299     XGUI_Command* aCommand = aGroup->addFeature(QString::fromStdString(theMessage->id()),
 300                                                 QString::fromStdString(theMessage->text()),
 301                                                 QString::fromStdString(theMessage->tooltip()),
 302                                                 QIcon(theMessage->icon().c_str()),
 303                                                 QKeySequence(), isUsePropPanel);
 304     aCommand->setUnblockableCommands(aNestedFeatures.split(" "));
 305     myActionsMgr->addCommand(aCommand);
 306     myPartSetModule->featureCreated(aCommand);
 307   }
 308 }
 309
 310 /*
 311  * Makes a signal/slot connections between Property Panel
 312  * and given operation. The given operation becomes a
 313  * current operation and previous operation if exists
 314  */
 315 void XGUI_Workshop::connectWithOperation(ModuleBase_Operation* theOperation)
 316 {
 317   QPushButton* aOkBtn = myPropertyPanel->findChild<QPushButton*>(XGUI::PROP_PANEL_OK);
 318   connect(aOkBtn, SIGNAL(clicked()), theOperation, SLOT(commit()));
 319   QPushButton* aCancelBtn = myPropertyPanel->findChild<QPushButton*>(XGUI::PROP_PANEL_CANCEL);
 320   connect(aCancelBtn, SIGNAL(clicked()), theOperation, SLOT(abort()));
 321
 322   QAction* aCommand = 0;
 323   if (isSalomeMode()) {
 324     aCommand = salomeConnector()->command(theOperation->getDescription()->operationId());
 325   } else {
 326     XGUI_MainMenu* aMenu = myMainWindow->menuObject();
 327     aCommand = aMenu->feature(theOperation->getDescription()->operationId());
 328   }
 329   //Abort operation on uncheck the command
 330   connect(aCommand, SIGNAL(triggered(bool)), theOperation, SLOT(setRunning(bool)));
 331 }
 332
 333 /*
 334  * Saves document with given name.
 335  */
 336 void XGUI_Workshop::saveDocument(QString theName)
 337 {
 338   QApplication::restoreOverrideCursor();
 339   boost::shared_ptr<ModelAPI_PluginManager> aMgr = ModelAPI_PluginManager::get();
 340   boost::shared_ptr<ModelAPI_Document> aDoc = aMgr->rootDocument();
 341   aDoc->save(theName.toLatin1().constData());
 342   QApplication::restoreOverrideCursor();
 343 }
 344
 345 //******************************************************
 346 void XGUI_Workshop::onExit()
 347 {
 348   boost::shared_ptr<ModelAPI_PluginManager> aMgr = ModelAPI_PluginManager::get();
 349   boost::shared_ptr<ModelAPI_Document> aDoc = aMgr->rootDocument();
 350   if(aDoc->isModified()) {
 351     int anAnswer = QMessageBox::question(
 352         myMainWindow, tr("Save current file"),
 353         tr("The document is modified, save before exit?"),
 354         QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
 355     if(anAnswer == QMessageBox::Save) {
 356       onSave();
 357     } else if (anAnswer == QMessageBox::Cancel) {
 358       return;
 359     }
 360   }
 361   qApp->exit();
 362 }
 363
 364 //******************************************************
 365 void XGUI_Workshop::onNew()
 366 {
 367   QApplication::setOverrideCursor(Qt::WaitCursor);
 368   if (objectBrowser() == 0) {
 369     createDockWidgets();
 370     mySelector->connectViewers();
 371   }
 372   myViewerProxy->connectToViewer();
 373   showObjectBrowser();
 374   if (!isSalomeMode()) {
 375     myMainWindow->showPythonConsole();
 376     QMdiSubWindow* aWnd = myMainWindow->viewer()->createView();
 377     aWnd->showMaximized();
 378     updateCommandStatus();
 379   }
 380   QApplication::restoreOverrideCursor();
 381 }
 382
 383 //******************************************************
 384 void XGUI_Workshop::onOpen()
 385 {
 386   //save current file before close if modified
 387   boost::shared_ptr<ModelAPI_PluginManager> aMgr = ModelAPI_PluginManager::get();
 388   boost::shared_ptr<ModelAPI_Document> aDoc = aMgr->rootDocument();
 389   if(aDoc->isModified()) {
 390     //TODO(sbh): re-launch the app?
 391     int anAnswer = QMessageBox::question(
 392         myMainWindow, tr("Save current file"),
 393         tr("The document is modified, save before opening another?"),
 394         QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
 395     if(anAnswer == QMessageBox::Save) {
 396       onSave();
 397     } else if (anAnswer == QMessageBox::Cancel) {
 398       return;
 399     }
 400     aDoc->close();
 401     myCurrentFile = "";
 402   }
 403
 404   //show file dialog, check if readable and open
 405   myCurrentFile = QFileDialog::getOpenFileName(mainWindow());
 406   if(myCurrentFile.isEmpty())
 407     return;
 408   QFileInfo aFileInfo(myCurrentFile);
 409   if(!aFileInfo.exists() || !aFileInfo.isReadable()) {
 410     QMessageBox::critical(myMainWindow, tr("Warning"), tr("Unable to open the file."));
 411     myCurrentFile = "";
 412     return;
 413   }
 414   QApplication::setOverrideCursor(Qt::WaitCursor);
 415   aDoc->load(myCurrentFile.toLatin1().constData());
 416   QApplication::restoreOverrideCursor();
 417   updateCommandStatus();
 418 }
 419
 420 //******************************************************
 421 void XGUI_Workshop::onSave()
 422 {
 423   if(myCurrentFile.isEmpty()) {
 424     onSaveAs();
 425     return;
 426   }
 427   saveDocument(myCurrentFile);
 428   updateCommandStatus();
 429 }
 430
 431 //******************************************************
 432 void XGUI_Workshop::onSaveAs()
 433 {
 434   QString aTemp = myCurrentFile;
 435   myCurrentFile = QFileDialog::getSaveFileName(mainWindow());
 436   if(myCurrentFile.isEmpty()) {
 437     myCurrentFile = aTemp;
 438     return;
 439   }
 440   QFileInfo aFileInfo(myCurrentFile);
 441   if(aFileInfo.exists() && !aFileInfo.isWritable()) {
 442     QMessageBox::critical(myMainWindow, tr("Warning"), tr("Unable to save the file."));
 443     return;
 444   }
 445   onSave();
 446 }
 447
 448 //******************************************************
 449 void XGUI_Workshop::onUndo()
 450 {
 451   objectBrowser()->setCurrentIndex(QModelIndex());
 452   boost::shared_ptr<ModelAPI_PluginManager> aMgr = ModelAPI_PluginManager::get();
 453   boost::shared_ptr<ModelAPI_Document> aDoc = aMgr->rootDocument();
 454   aDoc->undo();
 455   updateCommandStatus();
 456 }
 457
 458 //******************************************************
 459 void XGUI_Workshop::onRedo()
 460 {
 461   objectBrowser()->setCurrentIndex(QModelIndex());
 462   boost::shared_ptr<ModelAPI_PluginManager> aMgr = ModelAPI_PluginManager::get();
 463   boost::shared_ptr<ModelAPI_Document> aDoc = aMgr->rootDocument();
 464   aDoc->redo();
 465   updateCommandStatus();
 466 }
 467
 468 //******************************************************
 469 XGUI_Module* XGUI_Workshop::loadModule(const QString& theModule)
 470 {
 471   QString libName = library(theModule);
 472   if (libName.isEmpty()) {
 473     qWarning(
 474     qPrintable( tr( "Information about module \"%1\" doesn't exist." ).arg( theModule ) ));
 475     return 0;
 476   }
 477
 478   QString err;
 479   CREATE_FUNC crtInst = 0;
 480
 481 #ifdef WIN32
 482
 483   HINSTANCE modLib = ::LoadLibrary((LPTSTR) qPrintable(libName));
 484   if (!modLib) {
 485     LPVOID lpMsgBuf;
 486     ::FormatMessage(
 487         FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
 488         0, ::GetLastError(), 0, (LPTSTR) & lpMsgBuf, 0, 0);
 489     QString aMsg((char*) &lpMsgBuf);
 490     err = QString("Failed to load  %1. %2").arg(libName).arg(aMsg);
 491     ::LocalFree(lpMsgBuf);
 492   } else {
 493     crtInst = (CREATE_FUNC) ::GetProcAddress(modLib, CREATE_MODULE);
 494     if (!crtInst) {
 495       LPVOID lpMsgBuf;
 496       ::FormatMessage(
 497           FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM
 498               | FORMAT_MESSAGE_IGNORE_INSERTS,
 499           0, ::GetLastError(), 0, (LPTSTR) & lpMsgBuf, 0, 0);
 500       QString aMsg((char*) &lpMsgBuf);
 501       err = QString("Failed to find  %1 function. %2").arg( CREATE_MODULE).arg(aMsg);
 502       ::LocalFree(lpMsgBuf);
 503     }
 504   }
 505 #else
 506   void* modLib = dlopen( libName.toLatin1(), RTLD_LAZY );
 507   if ( !modLib )
 508   err = QString( "Can not load library %1. %2" ).arg( libName ).arg( dlerror() );
 509   else
 510   {
 511     crtInst = (CREATE_FUNC)dlsym( modLib, CREATE_MODULE );
 512     if ( !crtInst )
 513     err = QString( "Failed to find function %1. %2" ).arg( CREATE_MODULE ).arg( dlerror() );
 514   }
 515 #endif
 516
 517   XGUI_Module* aModule = crtInst ? crtInst(this) : 0;
 518
 519   if (!err.isEmpty()) {
 520     if (mainWindow() && mainWindow()->isVisible())
 521       QMessageBox::warning(mainWindow(), tr("Error"), err);
 522     else
 523       qWarning( qPrintable( err ));
 524   }
 525   return aModule;
 526 }
 527
 528 //******************************************************
 529 bool XGUI_Workshop::activateModule()
 530 {
 531   myPartSetModule = loadModule("PartSet");
 532   if (!myPartSetModule)
 533     return false;
 534   myPartSetModule->createFeatures();
 535   return true;
 536 }
 537
 538 //******************************************************
 539 void XGUI_Workshop::updateCommandStatus()
 540 {
 541   if (isSalomeMode()) // TODO: update commands in SALOME
 542     return;
 543   XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
 544
 545   QList<XGUI_Command*> aCommands = aMenuBar->features();
 546   QList<XGUI_Command*>::const_iterator aIt;
 547
 548   boost::shared_ptr<ModelAPI_PluginManager> aMgr = ModelAPI_PluginManager::get();
 549   if (aMgr->hasRootDocument()) {
 550     XGUI_Command* aUndoCmd;
 551     XGUI_Command* aRedoCmd;
 552     for (aIt = aCommands.constBegin(); aIt != aCommands.constEnd(); ++aIt) {
 553       if ((*aIt)->id() == "UNDO_CMD")
 554         aUndoCmd = (*aIt);
 555       else if ((*aIt)->id() == "REDO_CMD")
 556         aRedoCmd = (*aIt);
 557       else // Enable all commands
 558         (*aIt)->enable();
 559     }
 560     boost::shared_ptr<ModelAPI_Document> aDoc = aMgr->rootDocument();
 561     aUndoCmd->setEnabled(aDoc->canUndo());
 562     aRedoCmd->setEnabled(aDoc->canRedo());
 563   } else {
 564     for (aIt = aCommands.constBegin(); aIt != aCommands.constEnd(); ++aIt) {
 565       if ((*aIt)->id() == "NEW_CMD")
 566         (*aIt)->enable();
 567       else if ((*aIt)->id() == "EXIT_CMD")
 568         (*aIt)->enable();
 569       else
 570         (*aIt)->disable();
 571     }
 572   }
 573 }
 574
 575 //******************************************************
 576 QDockWidget* XGUI_Workshop::createObjectBrowser(QWidget* theParent)
 577 {
 578   QDockWidget* aObjDock = new QDockWidget(theParent);
 579   aObjDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
 580   aObjDock->setWindowTitle(tr("Object browser"));
 581   myObjectBrowser = new XGUI_ObjectsBrowser(aObjDock);
 582   aObjDock->setWidget(myObjectBrowser);
 583   return aObjDock;
 584 }
 585
 586 //******************************************************
 587 /*
 588  * Creates dock widgets, places them in corresponding area
 589  * and tabifies if necessary.
 590  */
 591 void XGUI_Workshop::createDockWidgets()
 592 {
 593   QMainWindow* aDesktop = isSalomeMode()? salomeConnector()->desktop() :
 594                                           myMainWindow;
 595   QDockWidget* aObjDock = createObjectBrowser(aDesktop);
 596   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, aObjDock);
 597   myPropertyPanel = new XGUI_PropertyPanel(aDesktop);
 598   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, myPropertyPanel);
 599   hidePropertyPanel(); //<! Invisible by default
 600   hideObjectBrowser();
 601   aDesktop->tabifyDockWidget(aObjDock, myPropertyPanel);
 602 }
 603
 604 //******************************************************
 605 void XGUI_Workshop::showPropertyPanel()
 606 {
 607   QAction* aViewAct = myPropertyPanel->toggleViewAction();
 608   //<! Restore ability to close panel from the window's menu
 609   aViewAct->setEnabled(true);
 610   myPropertyPanel->show();
 611   myPropertyPanel->raise();
 612 }
 613
 614 //******************************************************
 615 void XGUI_Workshop::hidePropertyPanel()
 616 {
 617   QAction* aViewAct = myPropertyPanel->toggleViewAction();
 618   //<! Do not allow to show empty property panel
 619   aViewAct->setEnabled(false);
 620   myPropertyPanel->hide();
 621 }
 622
 623 //******************************************************
 624 void XGUI_Workshop::showObjectBrowser()
 625 {
 626   myObjectBrowser->parentWidget()->show();
 627 }
 628
 629 //******************************************************
 630 void XGUI_Workshop::hideObjectBrowser()
 631 {
 632   myObjectBrowser->parentWidget()->hide();
 633 }
 634
 635 //******************************************************
 636 void XGUI_Workshop::onFeatureTriggered()
 637 {
 638   QAction* aCmd = dynamic_cast<QAction*>(sender());
 639   if (aCmd) {
 640     QString aId = salomeConnector()->commandId(aCmd);
 641     if (!aId.isNull())
 642       myPartSetModule->launchOperation(aId);
 643   }
 644 }
 645
 646 //******************************************************
 647 void XGUI_Workshop::changeCurrentDocument()
 648 {
 649   QFeatureList aFeatures = objectBrowser()->selectedFeatures();
 650
 651   // Set current document
 652   if (aFeatures.size() > 0) {
 653     FeaturePtr aFeature = aFeatures.first();
 654
 655     boost::shared_ptr<ModelAPI_PluginManager> aMgr = ModelAPI_PluginManager::get();
 656     boost::shared_ptr<ModelAPI_AttributeDocRef> aDocRef = aFeature->data()->docRef("PartDocument");
 657     if (aDocRef)
 658       aMgr->setCurrentDocument(aDocRef->value());
 659   }
 660 }
 661
 662 //******************************************************
 663 void XGUI_Workshop::salomeViewerSelectionChanged()
 664 {
 665   emit salomeViewerSelection();
 666 }
 667
 668
 669 //**************************************************************
 670 XGUI_SalomeViewer* XGUI_Workshop::salomeViewer() const
 671 {
 672   return mySalomeConnector->viewer();
 673 }