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_ActionsMgr.h"
  18 #include "XGUI_ErrorDialog.h"
  19
  20 #include <ModelAPI_PluginManager.h>
  21 #include <ModelAPI_Feature.h>
  22 #include <ModelAPI_Data.h>
  23 #include <ModelAPI_AttributeDocRef.h>
  24
  25 #include <Events_Loop.h>
  26 #include <Events_Error.h>
  27 #include <ModuleBase_PropPanelOperation.h>
  28 #include <ModuleBase_Operation.h>
  29 #include <Config_FeatureMessage.h>
  30 #include <Config_PointerMessage.h>
  31
  32 #include <QApplication>
  33 #include <QFileDialog>
  34 #include <QMessageBox>
  35 #include <QMdiSubWindow>
  36 #include <QPushButton>
  37 #include <QDockWidget>
  38 #include <QLayout>
  39
  40 #ifdef _DEBUG
  41 #include <QDebug>
  42 #endif
  43
  44 #ifdef WIN32
  45 #include <windows.h>
  46 #else
  47 #include <dlfcn.h>
  48 #endif
  49
  50 XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
  51   : QObject(),
  52   myCurrentFile(QString()),
  53   myPartSetModule(NULL),
  54   mySalomeConnector(theConnector),
  55   myPropertyPanelDock(0),
  56   myObjectBrowser(0),
  57   myDisplayer(0)
  58 {
  59   myMainWindow = mySalomeConnector? 0 : new XGUI_MainWindow();
  60
  61   // In SALOME viewer is accessible only when module is initialized
  62   // and in SALOME mode myDisplayer object has to be created later
  63   // So, displayer will be created on demand.
  64
  65   mySelector = new XGUI_SelectionMgr(this);
  66   connect(mySelector, SIGNAL(selectionChanged()), this, SLOT(changeCurrentDocument()));
  67   myOperationMgr = new XGUI_OperationMgr(this);
  68   myActionsMgr = new XGUI_ActionsMgr(this);
  69   myErrorDlg = new XGUI_ErrorDialog(myMainWindow);
  70
  71   connect(myOperationMgr, SIGNAL(operationStarted()),  this, SLOT(onOperationStarted()));
  72   connect(myOperationMgr, SIGNAL(operationStopped(ModuleBase_Operation*)),
  73           this, SLOT(onOperationStopped(ModuleBase_Operation*)));
  74   connect(this, SIGNAL(errorOccurred(const QString&)), myErrorDlg, SLOT(addError(const QString&)));
  75 }
  76
  77 //******************************************************
  78 XGUI_Workshop::~XGUI_Workshop(void)
  79 {
  80 }
  81
  82 //******************************************************
  83 void XGUI_Workshop::startApplication()
  84 {
  85   initMenu();
  86   //Initialize event listening
  87   Events_Loop* aLoop = Events_Loop::loop();
  88   aLoop->registerListener(this, Events_Error::errorID()); //!< Listening application errors.
  89   //TODO(sbh): Implement static method to extract event id [SEID]
  90   Events_ID aFeatureId = aLoop->eventByName("FeatureEvent");
  91   aLoop->registerListener(this, aFeatureId);
  92   Events_ID aPartSetId = aLoop->eventByName("PartSetModuleEvent");
  93   aLoop->registerListener(this, aPartSetId);
  94   activateModule();
  95   if (myMainWindow) {
  96     myMainWindow->show();
  97     updateCommandStatus();
  98   }
  99   onNew();
 100   // Testing of document creation
 101   //boost::shared_ptr<ModelAPI_PluginManager> aMgr = ModelAPI_PluginManager::get();
 102   //boost::shared_ptr<ModelAPI_Feature> aPoint1 = aMgr->rootDocument()->addFeature("Point");
 103   //boost::shared_ptr<ModelAPI_Feature> aPart = aMgr->rootDocument()->addFeature("Part");
 104   //aPart->execute();
 105   //aMgr->setCurrentDocument(aPart->data()->docRef("PartDocument")->value());
 106   //boost::shared_ptr<ModelAPI_Feature> aPoint2 = aMgr->rootDocument()->addFeature("Point");
 107   //aPoint2 = aMgr->rootDocument()->addFeature("Point");
 108
 109   //aPart = aMgr->rootDocument()->addFeature("Part");
 110   //aPart->execute();
 111 }
 112
 113 //******************************************************
 114 void XGUI_Workshop::initMenu()
 115 {
 116   if (isSalomeMode()) {
 117     // Create only Undo, Redo commands
 118     salomeConnector()->addEditCommand("UNDO_CMD",
 119                                       tr("Undo"), tr("Undo last command"),
 120                                       QIcon(":pictures/undo.png"),
 121                                       false, this, SLOT(onUndo()),
 122                                       QKeySequence::Undo);
 123     salomeConnector()->addEditCommand("REDO_CMD",
 124                                       tr("Redo"), tr("Redo last command"),
 125                                       QIcon(":pictures/redo.png"),
 126                                       false, this, SLOT(onRedo()),
 127                                       QKeySequence::Redo);
 128     salomeConnector()->addEditMenuSeparator();
 129     return;
 130   }
 131   XGUI_Workbench* aPage = myMainWindow->menuObject()->generalPage();
 132
 133   // File commands group
 134   XGUI_MenuGroupPanel* aGroup = aPage->addGroup("Default");
 135
 136   XGUI_Command* aCommand;
 137
 138   aCommand = aGroup->addFeature("SAVE_CMD", tr("Save..."), tr("Save the document"),
 139                                 QIcon(":pictures/save.png"), QKeySequence::Save);
 140   aCommand->connectTo(this, SLOT(onSave()));
 141   //aCommand->disable();
 142
 143   aCommand = aGroup->addFeature("UNDO_CMD", tr("Undo"), tr("Undo last command"),
 144                                 QIcon(":pictures/undo.png"), QKeySequence::Undo);
 145   aCommand->connectTo(this, SLOT(onUndo()));
 146
 147   aCommand = aGroup->addFeature("REDO_CMD", tr("Redo"), tr("Redo last command"),
 148                                 QIcon(":pictures/redo.png"), QKeySequence::Redo);
 149   aCommand->connectTo(this, SLOT(onRedo()));
 150
 151   aCommand = aGroup->addFeature("REBUILD_CMD", tr("Rebuild"), tr("Rebuild data objects"),
 152                                 QIcon(":pictures/rebuild.png"));
 153
 154   aCommand = aGroup->addFeature("SAVEAS_CMD", tr("Save as..."), tr("Save the document into a file"),
 155                                 QIcon(":pictures/save.png"));
 156   aCommand->connectTo(this, SLOT(onSaveAs()));
 157   //aCommand->disable();
 158
 159   aCommand = aGroup->addFeature("OPEN_CMD", tr("Open..."), tr("Open a new document"),
 160                                 QIcon(":pictures/open.png"), QKeySequence::Open);
 161   aCommand->connectTo(this, SLOT(onOpen()));
 162
 163   //aCommand = aGroup->addFeature("NEW_CMD", tr("New"), tr("Create a new document"),
 164   //                              QIcon(":pictures/new.png"), QKeySequence::New);
 165   //aCommand->connectTo(this, SLOT(onNew()));
 166
 167   aCommand = aGroup->addFeature("EXIT_CMD", tr("Exit"), tr("Exit application"),
 168                                 QIcon(":pictures/close.png"), QKeySequence::Close);
 169   aCommand->connectTo(this, SLOT(onExit()));
 170
 171 }
 172
 173 //******************************************************
 174 XGUI_Workbench* XGUI_Workshop::addWorkbench(const QString& theName)
 175 {
 176   XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
 177   return aMenuBar->addWorkbench(theName);
 178 }
 179
 180 //******************************************************
 181 void XGUI_Workshop::processEvent(const Events_Message* theMessage)
 182 {
 183   static Events_ID aFeatureId = Events_Loop::loop()->eventByName("FeatureEvent");
 184   if (theMessage->eventID() == aFeatureId) {
 185     const Config_FeatureMessage* aFeatureMsg = dynamic_cast<const Config_FeatureMessage*>(theMessage);
 186     addFeature(aFeatureMsg);
 187     return;
 188   }
 189   const Config_PointerMessage* aPartSetMsg = dynamic_cast<const Config_PointerMessage*>(theMessage);
 190   if (aPartSetMsg) {
 191     ModuleBase_PropPanelOperation* anOperation =
 192         (ModuleBase_PropPanelOperation*)(aPartSetMsg->pointer());
 193
 194     if (myOperationMgr->startOperation(anOperation)) {
 195       if (anOperation->xmlRepresentation().isEmpty()) {
 196         anOperation->commit();
 197         updateCommandStatus();
 198       }
 199     }
 200     return;
 201   }
 202   const Events_Error* anAppError = dynamic_cast<const Events_Error*>(theMessage);
 203   if (anAppError) {
 204       emit errorOccurred(QString::fromLatin1(anAppError->description()));
 205       myErrorDlg->show();
 206       myErrorDlg->raise();
 207       myErrorDlg->activateWindow();
 208   }
 209
 210 #ifdef _DEBUG
 211   qDebug() << "XGUI_Workshop::ProcessEvent: "
 212   << "Catch message, but it can not be processed.";
 213 #endif
 214
 215 }
 216
 217 //******************************************************
 218 void XGUI_Workshop::onOperationStarted()
 219 {
 220   ModuleBase_PropPanelOperation* aOperation =
 221         (ModuleBase_PropPanelOperation*)(myOperationMgr->currentOperation());
 222
 223   if(!aOperation->xmlRepresentation().isEmpty()) { //!< No need for property panel
 224     connectWithOperation(aOperation);
 225     QWidget* aPropWidget = myPropertyPanelDock->findChild<QWidget*>(XGUI::PROP_PANEL_WDG);
 226     qDeleteAll(aPropWidget->children());
 227
 228     showPropertyPanel();
 229
 230     ModuleBase_WidgetFactory aFactory = ModuleBase_WidgetFactory(aOperation);
 231     aFactory.createWidget(aPropWidget);
 232     setPropertyPannelTitle(aOperation->description());
 233   }
 234 }
 235
 236 //******************************************************
 237 void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
 238 {
 239   ModuleBase_PropPanelOperation* aOperation =
 240         (ModuleBase_PropPanelOperation*)(myOperationMgr->currentOperation());
 241
 242   if(aOperation->xmlRepresentation().isEmpty()) { //!< No need for property panel
 243     updateCommandStatus();
 244   } else {
 245     hidePropertyPanel();
 246     updateCommandStatus();
 247
 248     if (myMainWindow) {
 249       myActionsMgr->restoreCommandState();
 250     }
 251   }
 252 }
 253
 254 /*
 255  *
 256  */
 257 void XGUI_Workshop::addFeature(const Config_FeatureMessage* theMessage)
 258 {
 259   if (!theMessage) {
 260 #ifdef _DEBUG
 261     qDebug() << "XGUI_Workshop::addFeature: NULL message.";
 262 #endif
 263     return;
 264   }
 265   //Find or create Workbench
 266   QString aWchName = QString::fromStdString(theMessage->workbenchId());
 267   if (isSalomeMode()) {
 268     salomeConnector()->addFeature(aWchName,
 269                                   QString::fromStdString(theMessage->id()),
 270                                   QString::fromStdString(theMessage->text()),
 271                                   QString::fromStdString(theMessage->tooltip()),
 272                                   QIcon(theMessage->icon().c_str()),
 273                                   false, this,
 274                                   SLOT(onFeatureTriggered()), QKeySequence());
 275   } else {
 276     XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
 277     XGUI_Workbench* aPage = aMenuBar->findWorkbench(aWchName);
 278     if (!aPage) {
 279       aPage = addWorkbench(aWchName);
 280     }
 281     //Find or create Group
 282     QString aGroupName = QString::fromStdString(theMessage->groupId());
 283     XGUI_MenuGroupPanel* aGroup = aPage->findGroup(aGroupName);
 284     if (!aGroup) {
 285       aGroup = aPage->addGroup(aGroupName);
 286     }
 287     bool isUsePropPanel = theMessage->isUseInput();
 288     //Create feature...
 289     XGUI_Command* aCommand = aGroup->addFeature(QString::fromStdString(theMessage->id()),
 290                                                 QString::fromStdString(theMessage->text()),
 291                                                 QString::fromStdString(theMessage->tooltip()),
 292                                                 QIcon(theMessage->icon().c_str()),
 293                                                 QKeySequence(), isUsePropPanel);
 294     QString aNestedFeatures = QString::fromStdString(theMessage->nestedFeatures());
 295     aCommand->setUnblockableCommands(aNestedFeatures.split(" "));
 296     myActionsMgr->addCommand(aCommand);
 297     myPartSetModule->featureCreated(aCommand);
 298   }
 299 }
 300
 301 /*
 302  * Makes a signal/slot connections between Property Panel
 303  * and given operation. The given operation becomes a
 304  * current operation and previous operation if exists
 305  */
 306 void XGUI_Workshop::connectWithOperation(ModuleBase_Operation* theOperation)
 307 {
 308   QPushButton* aOkBtn = myPropertyPanelDock->findChild<QPushButton*>(XGUI::PROP_PANEL_OK);
 309   connect(aOkBtn, SIGNAL(clicked()), theOperation, SLOT(commit()));
 310   QPushButton* aCancelBtn = myPropertyPanelDock->findChild<QPushButton*>(XGUI::PROP_PANEL_CANCEL);
 311   connect(aCancelBtn, SIGNAL(clicked()), theOperation, SLOT(abort()));
 312
 313   QAction* aCommand = 0;
 314   if (isSalomeMode()) {
 315     aCommand = salomeConnector()->command(theOperation->operationId());
 316   } else {
 317     XGUI_MainMenu* aMenu = myMainWindow->menuObject();
 318     aCommand = aMenu->feature(theOperation->operationId());
 319   }
 320   //Abort operation on uncheck the command
 321   connect(aCommand, SIGNAL(triggered(bool)), theOperation, SLOT(setRunning(bool)));
 322 }
 323
 324 /*
 325  * Saves document with given name.
 326  */
 327 void XGUI_Workshop::saveDocument(QString theName)
 328 {
 329   QApplication::restoreOverrideCursor();
 330   boost::shared_ptr<ModelAPI_PluginManager> aMgr = ModelAPI_PluginManager::get();
 331   boost::shared_ptr<ModelAPI_Document> aDoc = aMgr->rootDocument();
 332   aDoc->save(theName.toLatin1().constData());
 333   QApplication::restoreOverrideCursor();
 334 }
 335
 336 //******************************************************
 337 void XGUI_Workshop::onExit()
 338 {
 339   boost::shared_ptr<ModelAPI_PluginManager> aMgr = ModelAPI_PluginManager::get();
 340   boost::shared_ptr<ModelAPI_Document> aDoc = aMgr->rootDocument();
 341   if(aDoc->isModified()) {
 342     int anAnswer = QMessageBox::question(
 343         myMainWindow, tr("Save current file"),
 344         tr("The document is modified, save before exit?"),
 345         QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
 346     if(anAnswer == QMessageBox::Save) {
 347       onSave();
 348     } else if (anAnswer == QMessageBox::Cancel) {
 349       return;
 350     }
 351   }
 352   qApp->exit();
 353 }
 354
 355 //******************************************************
 356 void XGUI_Workshop::onNew()
 357 {
 358   QApplication::setOverrideCursor(Qt::WaitCursor);
 359   if (objectBrowser() == 0) {
 360     createDockWidgets();
 361     mySelector->connectViewers();
 362   }
 363   showObjectBrowser();
 364   if (!isSalomeMode()) {
 365     myMainWindow->showPythonConsole();
 366     QMdiSubWindow* aWnd = myMainWindow->viewer()->createView();
 367     aWnd->showMaximized();
 368     updateCommandStatus();
 369   }
 370   QApplication::restoreOverrideCursor();
 371 }
 372
 373 //******************************************************
 374 void XGUI_Workshop::onOpen()
 375 {
 376   //save current file before close if modified
 377   boost::shared_ptr<ModelAPI_PluginManager> aMgr = ModelAPI_PluginManager::get();
 378   boost::shared_ptr<ModelAPI_Document> aDoc = aMgr->rootDocument();
 379   if(aDoc->isModified()) {
 380     //TODO(sbh): re-launch the app?
 381     int anAnswer = QMessageBox::question(
 382         myMainWindow, tr("Save current file"),
 383         tr("The document is modified, save before opening another?"),
 384         QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
 385     if(anAnswer == QMessageBox::Save) {
 386       onSave();
 387     } else if (anAnswer == QMessageBox::Cancel) {
 388       return;
 389     }
 390     aDoc->close();
 391     myCurrentFile = "";
 392   }
 393
 394   //show file dialog, check if readable and open
 395   myCurrentFile = QFileDialog::getOpenFileName(mainWindow());
 396   if(myCurrentFile.isEmpty())
 397     return;
 398   QFileInfo aFileInfo(myCurrentFile);
 399   if(!aFileInfo.exists() || !aFileInfo.isReadable()) {
 400     QMessageBox::critical(myMainWindow, tr("Warning"), tr("Unable to open the file."));
 401     myCurrentFile = "";
 402     return;
 403   }
 404   QApplication::setOverrideCursor(Qt::WaitCursor);
 405   aDoc->load(myCurrentFile.toLatin1().constData());
 406   QApplication::restoreOverrideCursor();
 407   updateCommandStatus();
 408 }
 409
 410 //******************************************************
 411 void XGUI_Workshop::onSave()
 412 {
 413   if(myCurrentFile.isEmpty()) {
 414     onSaveAs();
 415     return;
 416   }
 417   saveDocument(myCurrentFile);
 418   updateCommandStatus();
 419 }
 420
 421 //******************************************************
 422 void XGUI_Workshop::onSaveAs()
 423 {
 424   QString aTemp = myCurrentFile;
 425   myCurrentFile = QFileDialog::getSaveFileName(mainWindow());
 426   if(myCurrentFile.isEmpty()) {
 427     myCurrentFile = aTemp;
 428     return;
 429   }
 430   QFileInfo aFileInfo(myCurrentFile);
 431   if(aFileInfo.exists() && !aFileInfo.isWritable()) {
 432     QMessageBox::critical(myMainWindow, tr("Warning"), tr("Unable to save the file."));
 433     return;
 434   }
 435   onSave();
 436 }
 437
 438 //******************************************************
 439 void XGUI_Workshop::onUndo()
 440 {
 441   objectBrowser()->setCurrentIndex(QModelIndex());
 442   boost::shared_ptr<ModelAPI_PluginManager> aMgr = ModelAPI_PluginManager::get();
 443   boost::shared_ptr<ModelAPI_Document> aDoc = aMgr->rootDocument();
 444   aDoc->undo();
 445   updateCommandStatus();
 446 }
 447
 448 //******************************************************
 449 void XGUI_Workshop::onRedo()
 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->redo();
 455   updateCommandStatus();
 456 }
 457
 458 //******************************************************
 459 XGUI_Module* XGUI_Workshop::loadModule(const QString& theModule)
 460 {
 461   QString libName = library(theModule);
 462   if (libName.isEmpty()) {
 463     qWarning(
 464     qPrintable( tr( "Information about module \"%1\" doesn't exist." ).arg( theModule ) ));
 465     return 0;
 466   }
 467
 468   QString err;
 469   CREATE_FUNC crtInst = 0;
 470
 471 #ifdef WIN32
 472
 473   HINSTANCE modLib = ::LoadLibrary((LPTSTR) qPrintable(libName));
 474   if (!modLib) {
 475     LPVOID lpMsgBuf;
 476     ::FormatMessage(
 477         FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
 478         0, ::GetLastError(), 0, (LPTSTR) & lpMsgBuf, 0, 0);
 479     QString aMsg((char*) &lpMsgBuf);
 480     err = QString("Failed to load  %1. %2").arg(libName).arg(aMsg);
 481     ::LocalFree(lpMsgBuf);
 482   } else {
 483     crtInst = (CREATE_FUNC) ::GetProcAddress(modLib, CREATE_MODULE);
 484     if (!crtInst) {
 485       LPVOID lpMsgBuf;
 486       ::FormatMessage(
 487           FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM
 488               | FORMAT_MESSAGE_IGNORE_INSERTS,
 489           0, ::GetLastError(), 0, (LPTSTR) & lpMsgBuf, 0, 0);
 490       QString aMsg((char*) &lpMsgBuf);
 491       err = QString("Failed to find  %1 function. %2").arg( CREATE_MODULE).arg(aMsg);
 492       ::LocalFree(lpMsgBuf);
 493     }
 494   }
 495 #else
 496   void* modLib = dlopen( libName.toLatin1(), RTLD_LAZY );
 497   if ( !modLib )
 498   err = QString( "Can not load library %1. %2" ).arg( libName ).arg( dlerror() );
 499   else
 500   {
 501     crtInst = (CREATE_FUNC)dlsym( modLib, CREATE_MODULE );
 502     if ( !crtInst )
 503     err = QString( "Failed to find function %1. %2" ).arg( CREATE_MODULE ).arg( dlerror() );
 504   }
 505 #endif
 506
 507   XGUI_Module* aModule = crtInst ? crtInst(this) : 0;
 508
 509   if (!err.isEmpty()) {
 510     if (mainWindow() && mainWindow()->isVisible())
 511       QMessageBox::warning(mainWindow(), tr("Error"), err);
 512     else
 513       qWarning( qPrintable( err ));
 514   }
 515   return aModule;
 516 }
 517
 518 //******************************************************
 519 bool XGUI_Workshop::activateModule()
 520 {
 521   myPartSetModule = loadModule("PartSet");
 522   if (!myPartSetModule)
 523     return false;
 524   myPartSetModule->createFeatures();
 525   return true;
 526 }
 527
 528 //******************************************************
 529 void XGUI_Workshop::updateCommandStatus()
 530 {
 531   if (isSalomeMode()) // TODO: update commands in SALOME
 532     return;
 533   XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
 534
 535   QList<XGUI_Command*> aCommands = aMenuBar->features();
 536   QList<XGUI_Command*>::const_iterator aIt;
 537
 538   boost::shared_ptr<ModelAPI_PluginManager> aMgr = ModelAPI_PluginManager::get();
 539   if (aMgr->hasRootDocument()) {
 540     XGUI_Command* aUndoCmd;
 541     XGUI_Command* aRedoCmd;
 542     for (aIt = aCommands.constBegin(); aIt != aCommands.constEnd(); ++aIt) {
 543       if ((*aIt)->id() == "UNDO_CMD")
 544         aUndoCmd = (*aIt);
 545       else if ((*aIt)->id() == "REDO_CMD")
 546         aRedoCmd = (*aIt);
 547       else // Enable all commands
 548         (*aIt)->enable();
 549     }
 550     boost::shared_ptr<ModelAPI_Document> aDoc = aMgr->rootDocument();
 551     aUndoCmd->setEnabled(aDoc->canUndo());
 552     aRedoCmd->setEnabled(aDoc->canRedo());
 553   } else {
 554     for (aIt = aCommands.constBegin(); aIt != aCommands.constEnd(); ++aIt) {
 555       if ((*aIt)->id() == "NEW_CMD")
 556         (*aIt)->enable();
 557       else if ((*aIt)->id() == "EXIT_CMD")
 558         (*aIt)->enable();
 559       else
 560         (*aIt)->disable();
 561     }
 562   }
 563 }
 564
 565 //******************************************************
 566 QDockWidget* XGUI_Workshop::createObjectBrowser(QWidget* theParent)
 567 {
 568   QDockWidget* aObjDock = new QDockWidget(theParent);
 569   aObjDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
 570   aObjDock->setWindowTitle(tr("Object browser"));
 571   myObjectBrowser = new XGUI_ObjectsBrowser(aObjDock);
 572   aObjDock->setWidget(myObjectBrowser);
 573   return aObjDock;
 574 }
 575
 576 //******************************************************
 577 QDockWidget* XGUI_Workshop::createPropertyPanel(QWidget* theParent)
 578 {
 579   QDockWidget* aPropPanel = new QDockWidget(theParent);
 580   aPropPanel->setWindowTitle(tr("Property Panel"));
 581   QAction* aViewAct = aPropPanel->toggleViewAction();
 582   aPropPanel->setObjectName(XGUI::PROP_PANEL);
 583
 584   QWidget* aContent = new QWidget(aPropPanel);
 585   QVBoxLayout* aMainLay = new QVBoxLayout(aContent);
 586   aMainLay->setContentsMargins(3, 3, 3, 3);
 587   aPropPanel->setWidget(aContent);
 588
 589   QFrame* aFrm = new QFrame(aContent);
 590   aFrm->setFrameStyle(QFrame::Sunken);
 591   aFrm->setFrameShape(QFrame::Panel);
 592   QHBoxLayout* aBtnLay = new QHBoxLayout(aFrm);
 593   aBtnLay->setContentsMargins(0, 0, 0, 0);
 594   aMainLay->addWidget(aFrm);
 595
 596   QPushButton* aBtn = new QPushButton(QIcon(":pictures/button_help.png"), "", aFrm);
 597   aBtn->setFlat(true);
 598   aBtnLay->addWidget(aBtn);
 599   aBtnLay->addStretch(1);
 600   aBtn = new QPushButton(QIcon(":pictures/button_ok.png"), "", aFrm);
 601   aBtn->setObjectName(XGUI::PROP_PANEL_OK);
 602   aBtn->setFlat(true);
 603   aBtnLay->addWidget(aBtn);
 604   aBtn = new QPushButton(QIcon(":pictures/button_cancel.png"), "", aFrm);
 605   aBtn->setObjectName(XGUI::PROP_PANEL_CANCEL);
 606   aBtn->setFlat(true);
 607   aBtnLay->addWidget(aBtn);
 608
 609   QWidget* aCustomWidget = new QWidget(aContent);
 610   aCustomWidget->setObjectName(XGUI::PROP_PANEL_WDG);
 611   aMainLay->addWidget(aCustomWidget);
 612   aMainLay->addStretch(1);
 613
 614   return aPropPanel;
 615 }
 616
 617 //******************************************************
 618 void XGUI_Workshop::setPropertyPannelTitle(const QString& theTitle)
 619 {
 620   myPropertyPanelDock->setWindowTitle(theTitle);
 621 }
 622
 623 //******************************************************
 624 /*
 625  * Creates dock widgets, places them in corresponding area
 626  * and tabifies if necessary.
 627  */
 628 void XGUI_Workshop::createDockWidgets()
 629 {
 630   QMainWindow* aDesktop = isSalomeMode()? salomeConnector()->desktop() :
 631                                           myMainWindow;
 632   QDockWidget* aObjDock = createObjectBrowser(aDesktop);
 633   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, aObjDock);
 634   myPropertyPanelDock = createPropertyPanel(aDesktop);
 635   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, myPropertyPanelDock);
 636   hidePropertyPanel(); //<! Invisible by default
 637   hideObjectBrowser();
 638   aDesktop->tabifyDockWidget(aObjDock, myPropertyPanelDock);
 639 }
 640
 641 //******************************************************
 642 void XGUI_Workshop::showPropertyPanel()
 643 {
 644   QAction* aViewAct = myPropertyPanelDock->toggleViewAction();
 645   //<! Restore ability to close panel from the window's menu
 646   aViewAct->setEnabled(true);
 647   myPropertyPanelDock->show();
 648   myPropertyPanelDock->raise();
 649 }
 650
 651 //******************************************************
 652 void XGUI_Workshop::hidePropertyPanel()
 653 {
 654   QAction* aViewAct = myPropertyPanelDock->toggleViewAction();
 655   //<! Do not allow to show empty property panel
 656   aViewAct->setEnabled(false);
 657   myPropertyPanelDock->hide();
 658 }
 659
 660 //******************************************************
 661 void XGUI_Workshop::showObjectBrowser()
 662 {
 663   myObjectBrowser->parentWidget()->show();
 664 }
 665
 666 //******************************************************
 667 void XGUI_Workshop::hideObjectBrowser()
 668 {
 669   myObjectBrowser->parentWidget()->hide();
 670 }
 671
 672 //******************************************************
 673 void XGUI_Workshop::onFeatureTriggered()
 674 {
 675   QAction* aCmd = dynamic_cast<QAction*>(sender());
 676   if (aCmd) {
 677     QString aId = salomeConnector()->commandId(aCmd);
 678     if (!aId.isNull())
 679       myPartSetModule->launchOperation(aId);
 680   }
 681 }
 682
 683 //******************************************************
 684 XGUI_Displayer* XGUI_Workshop::displayer() const
 685 {
 686   // In SALOME viewer is accessible only when module is initialized
 687   // and in SALOME mode myDisplayer object has to be created later (on demand)
 688   if (!myDisplayer) {
 689     XGUI_Workshop* that = (XGUI_Workshop*)this;
 690     that->myDisplayer = isSalomeMode() ?
 691       new XGUI_Displayer(salomeConnector()->AISContext()):
 692       new XGUI_Displayer(myMainWindow->viewer()->AISContext());
 693   }
 694   return myDisplayer;
 695 }
 696
 697 //******************************************************
 698 void XGUI_Workshop::changeCurrentDocument()
 699 {
 700   QFeatureList aFeatures = objectBrowser()->selectedFeatures();
 701
 702   // Set current document
 703   if (aFeatures.size() > 0) {
 704     FeaturePtr aFeature = aFeatures.first();
 705
 706     boost::shared_ptr<ModelAPI_PluginManager> aMgr = ModelAPI_PluginManager::get();
 707     boost::shared_ptr<ModelAPI_AttributeDocRef> aDocRef = aFeature->data()->docRef("PartDocument");
 708     if (aDocRef)
 709       aMgr->setCurrentDocument(aDocRef->value());
 710   }
 711 }
 712
 713 //******************************************************
 714 void XGUI_Workshop::salomeViewerSelectionChanged()
 715 {
 716   emit salomeViewerSelection();
 717 }