src/XGUI/XGUI_Workshop.cpp

   1 #include "ModuleBase_IModule.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_Selection.h"
  14 #include "XGUI_ObjectsBrowser.h"
  15 #include "XGUI_Displayer.h"
  16 #include "XGUI_OperationMgr.h"
  17 #include "XGUI_SalomeConnector.h"
  18 #include "XGUI_SalomeViewer.h"
  19 #include "XGUI_ActionsMgr.h"
  20 #include "XGUI_ErrorDialog.h"
  21 #include "XGUI_ViewerProxy.h"
  22 #include "XGUI_PropertyPanel.h"
  23 #include "XGUI_ContextMenuMgr.h"
  24 #include "XGUI_ModuleConnector.h"
  25
  26 #include <ModelAPI_Events.h>
  27 #include <ModelAPI_PluginManager.h>
  28 #include <ModelAPI_Feature.h>
  29 #include <ModelAPI_Data.h>
  30 #include <ModelAPI_AttributeDocRef.h>
  31 #include <ModelAPI_Object.h>
  32 #include <ModelAPI_Validator.h>
  33 #include <ModelAPI_ResultPart.h>
  34
  35 #include <PartSetPlugin_Part.h>
  36
  37 #include <Events_Loop.h>
  38 #include <Events_Error.h>
  39
  40 #include <ModuleBase_Operation.h>
  41 #include <ModuleBase_Operation.h>
  42 #include <ModuleBase_OperationDescription.h>
  43 #include <ModuleBase_SelectionValidator.h>
  44
  45 #include <Config_Common.h>
  46 #include <Config_FeatureMessage.h>
  47 #include <Config_PointerMessage.h>
  48 #include <Config_ModuleReader.h>
  49
  50 #include <QApplication>
  51 #include <QFileDialog>
  52 #include <QMessageBox>
  53 #include <QMdiSubWindow>
  54 #include <QPushButton>
  55 #include <QDockWidget>
  56 #include <QLayout>
  57 #include <QTimer>
  58
  59 #ifdef _DEBUG
  60 #include <QDebug>
  61 #endif
  62
  63 #ifdef WIN32
  64 #include <windows.h>
  65 #else
  66 #include <dlfcn.h>
  67 #endif
  68
  69
  70 QMap<QString, QString> XGUI_Workshop::myIcons;
  71
  72 QString XGUI_Workshop::featureIcon(const std::string& theId)
  73 {
  74   QString aId(theId.c_str());
  75   if (myIcons.contains(aId))
  76     return myIcons[aId];
  77   return QString();
  78 }
  79
  80 XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
  81   : QObject(),
  82   myCurrentDir(QString()),
  83   myModule(NULL),
  84   mySalomeConnector(theConnector),
  85   myPropertyPanel(0),
  86   myObjectBrowser(0),
  87   myDisplayer(0)
  88 {
  89   myMainWindow = mySalomeConnector? 0 : new XGUI_MainWindow();
  90
  91   myDisplayer = new XGUI_Displayer(this);
  92
  93   mySelector = new XGUI_SelectionMgr(this);
  94   //connect(mySelector, SIGNAL(selectionChanged()), this, SLOT(updateModuleCommands()));
  95
  96   myOperationMgr = new XGUI_OperationMgr(this);
  97   myActionsMgr = new XGUI_ActionsMgr(this);
  98   myErrorDlg = new XGUI_ErrorDialog(myMainWindow);
  99   myContextMenuMgr = new XGUI_ContextMenuMgr(this);
 100   connect(myContextMenuMgr, SIGNAL(actionTriggered(const QString&, bool)),
 101           this, SLOT(onContextMenuCommand(const QString&, bool)));
 102
 103   myViewerProxy = new XGUI_ViewerProxy(this);
 104   connect(myViewerProxy, SIGNAL(selectionChanged()), this, SLOT(updateCommandsOnViewSelection()));
 105
 106   myModuleConnector = new XGUI_ModuleConnector(this);
 107
 108   connect(myOperationMgr, SIGNAL(operationStarted()), SLOT(onOperationStarted()));
 109   connect(myOperationMgr, SIGNAL(operationResumed()), SLOT(onOperationStarted()));
 110   connect(myOperationMgr, SIGNAL(operationStopped(ModuleBase_Operation*)), SLOT(onOperationStopped(ModuleBase_Operation*)));
 111   connect(myMainWindow, SIGNAL(exitKeySequence()), SLOT(onExit()));
 112   connect(myOperationMgr, SIGNAL(operationStarted()), myActionsMgr, SLOT(update()));
 113   connect(myOperationMgr, SIGNAL(operationStopped(ModuleBase_Operation*)), myActionsMgr, SLOT(update()));
 114   connect(this, SIGNAL(errorOccurred(const QString&)), myErrorDlg, SLOT(addError(const QString&)));
 115 }
 116
 117 //******************************************************
 118 XGUI_Workshop::~XGUI_Workshop(void)
 119 {
 120 }
 121
 122 //******************************************************
 123 void XGUI_Workshop::startApplication()
 124 {
 125   initMenu();
 126   //Initialize event listening
 127   Events_Loop* aLoop = Events_Loop::loop();
 128   aLoop->registerListener(this, Events_Error::errorID()); //!< Listening application errors.
 129   //TODO(sbh): Implement static method to extract event id [SEID]
 130   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_FEATURE_LOADED));
 131   // TODO Is it good to use non standard event within workshop?
 132   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OPERATION_LAUNCHED));
 133   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 134   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 135   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
 136   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_DELETED));
 137
 138   activateModule();
 139   if (myMainWindow) {
 140     myMainWindow->show();
 141     updateCommandStatus();
 142   }
 143   onNew();
 144 }
 145
 146 //******************************************************
 147 void XGUI_Workshop::initMenu()
 148 {
 149   myContextMenuMgr->createActions();
 150
 151   if (isSalomeMode()) {
 152     // Create only Undo, Redo commands
 153     QAction* aAction = salomeConnector()->addEditCommand("UNDO_CMD",
 154                                       tr("Undo"), tr("Undo last command"),
 155                                       QIcon(":pictures/undo.png"),
 156                                       QKeySequence::Undo, false);
 157     connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onUndo()));
 158     aAction = salomeConnector()->addEditCommand("REDO_CMD",
 159                                       tr("Redo"), tr("Redo last command"),
 160                                       QIcon(":pictures/redo.png"),
 161                                       QKeySequence::Redo, false);
 162     connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onRedo()));
 163     salomeConnector()->addEditMenuSeparator();
 164     return;
 165   }
 166   XGUI_Workbench* aPage = myMainWindow->menuObject()->generalPage();
 167
 168   // File commands group
 169   XGUI_MenuGroupPanel* aGroup = aPage->addGroup("Default");
 170
 171   XGUI_Command* aCommand;
 172
 173   aCommand = aGroup->addFeature("SAVE_CMD", tr("Save..."), tr("Save the document"),
 174                                 QIcon(":pictures/save.png"), QKeySequence::Save);
 175   aCommand->connectTo(this, SLOT(onSave()));
 176   //aCommand->disable();
 177
 178   aCommand = aGroup->addFeature("UNDO_CMD", tr("Undo"), tr("Undo last command"),
 179                                 QIcon(":pictures/undo.png"), QKeySequence::Undo);
 180   aCommand->connectTo(this, SLOT(onUndo()));
 181
 182   aCommand = aGroup->addFeature("REDO_CMD", tr("Redo"), tr("Redo last command"),
 183                                 QIcon(":pictures/redo.png"), QKeySequence::Redo);
 184   aCommand->connectTo(this, SLOT(onRedo()));
 185
 186   aCommand = aGroup->addFeature("REBUILD_CMD", tr("Rebuild"), tr("Rebuild data objects"),
 187                                 QIcon(":pictures/rebuild.png"));
 188
 189   aCommand = aGroup->addFeature("SAVEAS_CMD", tr("Save as..."), tr("Save the document into a file"),
 190                                 QIcon(":pictures/save.png"));
 191   aCommand->connectTo(this, SLOT(onSaveAs()));
 192   //aCommand->disable();
 193
 194   aCommand = aGroup->addFeature("OPEN_CMD", tr("Open..."), tr("Open a new document"),
 195                                 QIcon(":pictures/open.png"), QKeySequence::Open);
 196   aCommand->connectTo(this, SLOT(onOpen()));
 197
 198   //aCommand = aGroup->addFeature("NEW_CMD", tr("New"), tr("Create a new document"),
 199   //                              QIcon(":pictures/new.png"), QKeySequence::New);
 200   //aCommand->connectTo(this, SLOT(onNew()));
 201
 202   aCommand = aGroup->addFeature("EXIT_CMD", tr("Exit"), tr("Exit application"),
 203                                 QIcon(":pictures/close.png"), QKeySequence::Close);
 204   aCommand->connectTo(this, SLOT(onExit()));
 205   //FIXME: SBH's test action. Can be used for some GUI tests.
 206   //#ifdef _DEBUG
 207   //  aCommand = aGroup->addFeature("TEST_CMD", "Test!", "Private debug button",
 208   //                                QIcon(":pictures/close.png"));
 209   //  aCommand->connectTo(myActionsMgr, SLOT(update()));
 210   //#endif
 211 }
 212
 213 //******************************************************
 214 XGUI_Workbench* XGUI_Workshop::addWorkbench(const QString& theName)
 215 {
 216   XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
 217   return aMenuBar->addWorkbench(theName);
 218 }
 219
 220 //******************************************************
 221 void XGUI_Workshop::processEvent(const Events_Message* theMessage)
 222 {
 223   //A message to start feature creation received.
 224   static Events_ID aFeatureLoadedId = Events_Loop::loop()->eventByName(EVENT_FEATURE_LOADED);
 225   if (theMessage->eventID() == aFeatureLoadedId) {
 226     const Config_FeatureMessage* aFeatureMsg = dynamic_cast<const Config_FeatureMessage*>(theMessage);
 227     if(!aFeatureMsg->isInternal()) {
 228       addFeature(aFeatureMsg);
 229     }
 230     return;
 231   }
 232
 233   // Process creation of Part
 234   if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED)) {
 235     const ModelAPI_ObjectUpdatedMessage* aUpdMsg = dynamic_cast<const ModelAPI_ObjectUpdatedMessage*>(theMessage);
 236     onFeatureCreatedMsg(aUpdMsg);
 237     return;
 238   }
 239
 240   // Redisplay feature
 241   if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY)) {
 242     const ModelAPI_ObjectUpdatedMessage* aUpdMsg = dynamic_cast<const ModelAPI_ObjectUpdatedMessage*>(theMessage);
 243     onFeatureRedisplayMsg(aUpdMsg);
 244     return;
 245   }
 246
 247   //Update property panel on corresponding message. If there is no current operation (no
 248   //property panel), or received message has different feature to the current - do nothing.
 249   if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED)) {
 250     const ModelAPI_ObjectUpdatedMessage* anUpdateMsg =
 251         dynamic_cast<const ModelAPI_ObjectUpdatedMessage*>(theMessage);
 252     onFeatureUpdatedMsg(anUpdateMsg);
 253     return;
 254   }
 255
 256   if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_DELETED)) {
 257     const ModelAPI_ObjectDeletedMessage* aDelMsg =
 258         dynamic_cast<const ModelAPI_ObjectDeletedMessage*>(theMessage);
 259     onObjectDeletedMsg(aDelMsg);
 260     return;
 261   }
 262
 263   //An operation passed by message. Start it, process and commit.
 264   if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OPERATION_LAUNCHED)) {
 265     const Config_PointerMessage* aPartSetMsg = dynamic_cast<const Config_PointerMessage*>(theMessage);
 266     //myPropertyPanel->cleanContent();
 267     ModuleBase_Operation* anOperation = (ModuleBase_Operation*)aPartSetMsg->pointer();
 268
 269     if (myOperationMgr->startOperation(anOperation)) {
 270       myPropertyPanel->updateContentWidget(anOperation->feature());
 271       if (!anOperation->getDescription()->hasXmlRepresentation()) {
 272         anOperation->commit();
 273         updateCommandStatus();
 274       }
 275     }
 276     return;
 277   }
 278   //Show error dialog if error message received.
 279   const Events_Error* anAppError = dynamic_cast<const Events_Error*>(theMessage);
 280   if (anAppError) {
 281     emit errorOccurred(QString::fromLatin1(anAppError->description()));
 282   }
 283 }
 284
 285 //******************************************************
 286 void XGUI_Workshop::onFeatureUpdatedMsg(const ModelAPI_ObjectUpdatedMessage* theMsg)
 287 {
 288   std::set<ObjectPtr> aFeatures = theMsg->objects();
 289   if (myOperationMgr->hasOperation())
 290   {
 291     FeaturePtr aCurrentFeature = myOperationMgr->currentOperation()->feature();
 292     std::set<ObjectPtr>::const_iterator aIt;
 293     for (aIt = aFeatures.begin(); aIt != aFeatures.end(); ++aIt) {
 294       ObjectPtr aNewFeature = (*aIt);
 295       if(aNewFeature == aCurrentFeature) {
 296         myPropertyPanel->updateContentWidget(aCurrentFeature);
 297         break;
 298       }
 299     }
 300   }
 301 }
 302
 303 //******************************************************
 304 void XGUI_Workshop::onFeatureRedisplayMsg(const ModelAPI_ObjectUpdatedMessage* theMsg)
 305 {
 306   std::set<ObjectPtr> aObjects = theMsg->objects();
 307   std::set<ObjectPtr>::const_iterator aIt;
 308   for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
 309     ObjectPtr aObj = (*aIt);
 310     if (aObj->data())
 311       myDisplayer->display(aObj, false);
 312     else {
 313       myDisplayer->erase(aObj, false);
 314     }
 315   }
 316   myDisplayer->updateViewer();
 317 }
 318
 319 //******************************************************
 320 void XGUI_Workshop::onFeatureCreatedMsg(const ModelAPI_ObjectUpdatedMessage* theMsg)
 321 {
 322   std::set<ObjectPtr> aObjects = theMsg->objects();
 323
 324   std::set<ObjectPtr>::const_iterator aIt;
 325   bool aHasPart = false;
 326   bool isDisplayed = false;
 327   for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
 328      ResultPartPtr aPart = boost::dynamic_pointer_cast<ModelAPI_ResultPart>(*aIt);
 329     if (aPart) {
 330       aHasPart = true;
 331       //break;
 332     } else {
 333       myDisplayer->display(*aIt, false);
 334       isDisplayed = true;
 335     }
 336   }
 337   if (isDisplayed)
 338     myDisplayer->updateViewer();
 339   if (aHasPart) {
 340     //The created part will be created in Object Browser later and we have to activate it
 341     // only when it is created everywere
 342     QTimer::singleShot(50, this, SLOT(activateLastPart()));
 343   }
 344 }
 345
 346 //******************************************************
 347 void XGUI_Workshop::onObjectDeletedMsg(const ModelAPI_ObjectDeletedMessage* theMsg)
 348 {
 349   //std::set<ObjectPtr> aFeatures = theMsg->objects();
 350 }
 351
 352 //******************************************************
 353 void XGUI_Workshop::onOperationStarted()
 354 {
 355   ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
 356
 357   if(aOperation->getDescription()->hasXmlRepresentation()) { //!< No need for property panel
 358     connectWithOperation(aOperation);
 359
 360     showPropertyPanel();
 361     QString aXmlRepr = aOperation->getDescription()->xmlRepresentation();
 362     ModuleBase_WidgetFactory aFactory = ModuleBase_WidgetFactory(aXmlRepr.toStdString(), myModuleConnector);
 363
 364     myPropertyPanel->cleanContent();
 365     aFactory.createWidget(myPropertyPanel->contentWidget());
 366
 367     QList<ModuleBase_ModelWidget*> aWidgets = aFactory.getModelWidgets();
 368     QList<ModuleBase_ModelWidget*>::const_iterator anIt = aWidgets.begin(), aLast = aWidgets.end();
 369     ModuleBase_ModelWidget* aWidget;
 370     for (; anIt != aLast; anIt++) {
 371       aWidget = *anIt;
 372       //QObject::connect(aWidget, SIGNAL(valuesChanged()),  aOperation, SLOT(storeCustomValue()));
 373       QObject::connect(aWidget, SIGNAL(valuesChanged()),
 374                        this, SLOT(onWidgetValuesChanged()));
 375       // Init default values
 376       if (!aOperation->isEditOperation() && aWidget->hasDefaultValue()) {
 377         aWidget->storeValue(aOperation->feature());
 378       }
 379     }
 380
 381     myPropertyPanel->setModelWidgets(aWidgets);
 382     myPropertyPanel->setWindowTitle(aOperation->getDescription()->description());
 383   }
 384   updateCommandStatus();
 385 }
 386
 387 //******************************************************
 388 void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
 389 {
 390   //!< No need for property panel
 391   updateCommandStatus();
 392   hidePropertyPanel();
 393   myPropertyPanel->cleanContent();
 394 }
 395
 396 /*
 397  *
 398  */
 399 void XGUI_Workshop::addFeature(const Config_FeatureMessage* theMessage)
 400 {
 401   if (!theMessage) {
 402 #ifdef _DEBUG
 403     qDebug() << "XGUI_Workshop::addFeature: NULL message.";
 404 #endif
 405     return;
 406   }
 407   // Remember features icons
 408   myIcons[QString::fromStdString(theMessage->id())] = QString::fromStdString(theMessage->icon());
 409
 410   //Find or create Workbench
 411   QString aWchName = QString::fromStdString(theMessage->workbenchId());
 412   QString aNestedFeatures = QString::fromStdString(theMessage->nestedFeatures());
 413   bool isUsePropPanel = theMessage->isUseInput();
 414   QString aId = QString::fromStdString(theMessage->id());
 415   if (isSalomeMode()) {
 416     QAction* aAction = salomeConnector()->addFeature(aWchName,
 417                               aId,
 418                               QString::fromStdString(theMessage->text()),
 419                               QString::fromStdString(theMessage->tooltip()),
 420                               QIcon(theMessage->icon().c_str()),
 421                               QKeySequence(), isUsePropPanel);
 422     salomeConnector()->setNestedActions(aId, aNestedFeatures.split(" "));
 423     myActionsMgr->addCommand(aAction);
 424     myModule->featureCreated(aAction);
 425   } else {
 426
 427     XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
 428     XGUI_Workbench* aPage = aMenuBar->findWorkbench(aWchName);
 429     if (!aPage) {
 430       aPage = addWorkbench(aWchName);
 431     }
 432     //Find or create Group
 433     QString aGroupName = QString::fromStdString(theMessage->groupId());
 434     XGUI_MenuGroupPanel* aGroup = aPage->findGroup(aGroupName);
 435     if (!aGroup) {
 436       aGroup = aPage->addGroup(aGroupName);
 437     }
 438     //Create feature...
 439     XGUI_Command* aCommand = aGroup->addFeature(aId,
 440                                                 QString::fromStdString(theMessage->text()),
 441                                                 QString::fromStdString(theMessage->tooltip()),
 442                                                 QIcon(theMessage->icon().c_str()),
 443                                                 QKeySequence(), isUsePropPanel);
 444     aCommand->setNestedCommands(aNestedFeatures.split(" ", QString::SkipEmptyParts));
 445     myActionsMgr->addCommand(aCommand);
 446     myModule->featureCreated(aCommand);
 447   }
 448 }
 449
 450 /*
 451  * Makes a signal/slot connections between Property Panel
 452  * and given operation. The given operation becomes a
 453  * current operation and previous operation if exists
 454  */
 455 void XGUI_Workshop::connectWithOperation(ModuleBase_Operation* theOperation)
 456 {
 457   QAction* aCommand = 0;
 458   if (isSalomeMode()) {
 459     aCommand = salomeConnector()->command(theOperation->getDescription()->operationId());
 460   } else {
 461     XGUI_MainMenu* aMenu = myMainWindow->menuObject();
 462     aCommand = aMenu->feature(theOperation->getDescription()->operationId());
 463   }
 464   //Abort operation on uncheck the command
 465   connect(aCommand, SIGNAL(triggered(bool)), theOperation, SLOT(setRunning(bool)));
 466 }
 467
 468 /*
 469  * Saves document with given name.
 470  */
 471 void XGUI_Workshop::saveDocument(QString theName)
 472 {
 473   QApplication::restoreOverrideCursor();
 474   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 475   DocumentPtr aDoc = aMgr->rootDocument();
 476   aDoc->save(theName.toLatin1().constData());
 477   QApplication::restoreOverrideCursor();
 478 }
 479
 480 //******************************************************
 481 void XGUI_Workshop::onExit()
 482 {
 483   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 484   DocumentPtr aDoc = aMgr->rootDocument();
 485   if(aDoc->isModified()) {
 486     int anAnswer = QMessageBox::question(
 487         myMainWindow, tr("Save current file"),
 488         tr("The document is modified, save before exit?"),
 489         QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
 490     if(anAnswer == QMessageBox::Save) {
 491       bool saved = onSave();
 492       if(!saved) {
 493         return;
 494       }
 495     } else if (anAnswer == QMessageBox::Cancel) {
 496       return;
 497     }
 498   }
 499   qApp->exit();
 500 }
 501
 502 //******************************************************
 503 void XGUI_Workshop::onNew()
 504 {
 505   QApplication::setOverrideCursor(Qt::WaitCursor);
 506   if (objectBrowser() == 0) {
 507     createDockWidgets();
 508     mySelector->connectViewers();
 509   }
 510   myViewerProxy->connectToViewer();
 511   showObjectBrowser();
 512   if (!isSalomeMode()) {
 513     myMainWindow->showPythonConsole();
 514     QMdiSubWindow* aWnd = myMainWindow->viewer()->createView();
 515     aWnd->showMaximized();
 516     updateCommandStatus();
 517   }
 518   myContextMenuMgr->connectViewer();
 519   QApplication::restoreOverrideCursor();
 520 }
 521
 522 //******************************************************
 523 void XGUI_Workshop::onOpen()
 524 {
 525   //save current file before close if modified
 526   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 527   DocumentPtr aDoc = aMgr->rootDocument();
 528   if(aDoc->isModified()) {
 529     //TODO(sbh): re-launch the app?
 530     int anAnswer = QMessageBox::question(
 531         myMainWindow, tr("Save current file"),
 532         tr("The document is modified, save before opening another?"),
 533         QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
 534     if(anAnswer == QMessageBox::Save) {
 535       onSave();
 536     } else if (anAnswer == QMessageBox::Cancel) {
 537       return;
 538     }
 539     aDoc->close();
 540     myCurrentDir = "";
 541   }
 542
 543   //show file dialog, check if readable and open
 544   myCurrentDir = QFileDialog::getExistingDirectory(mainWindow());
 545   if(myCurrentDir.isEmpty())
 546     return;
 547   QFileInfo aFileInfo(myCurrentDir);
 548   if(!aFileInfo.exists() || !aFileInfo.isReadable()) {
 549     QMessageBox::critical(myMainWindow, tr("Warning"), tr("Unable to open the file."));
 550     myCurrentDir = "";
 551     return;
 552   }
 553   QApplication::setOverrideCursor(Qt::WaitCursor);
 554   aDoc->load(myCurrentDir.toLatin1().constData());
 555   updateCommandStatus();
 556   myObjectBrowser->rebuildDataTree();
 557   QApplication::restoreOverrideCursor();
 558 }
 559
 560 //******************************************************
 561 bool XGUI_Workshop::onSave()
 562 {
 563   if(myCurrentDir.isEmpty()) {
 564     return onSaveAs();
 565   }
 566   saveDocument(myCurrentDir);
 567   updateCommandStatus();
 568   return true;
 569 }
 570
 571 //******************************************************
 572 bool XGUI_Workshop::onSaveAs()
 573 {
 574   QFileDialog dialog(mainWindow());
 575   dialog.setWindowTitle(tr("Select directory to save files..."));
 576   dialog.setFileMode(QFileDialog::Directory);
 577   dialog.setFilter(tr("Folders (*)"));
 578   dialog.setOptions(QFileDialog::HideNameFilterDetails | QFileDialog::ShowDirsOnly);
 579   dialog.setViewMode(QFileDialog::Detail);
 580
 581   if(!dialog.exec()) {
 582     return false;
 583   }
 584   QString aTempDir = dialog.selectedFiles().first();
 585   QDir aDir(aTempDir);
 586   if(aDir.exists() && !aDir.entryInfoList(QDir::NoDotAndDotDot|QDir::AllEntries).isEmpty()) {
 587     int answer = QMessageBox::question(myMainWindow,
 588                                        //: Title of the dialog which asks user if he wants to save study in existing non-empty folder
 589                                        tr("Save"),
 590                                        tr("The folder already contains some files, save anyway?"),
 591                                        QMessageBox::Save|QMessageBox::Cancel);
 592     if(answer == QMessageBox::Cancel) {
 593       return false;
 594     }
 595   }
 596   myCurrentDir = aTempDir;
 597   return onSave();
 598 }
 599
 600 //******************************************************
 601 void XGUI_Workshop::onUndo()
 602 {
 603   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
 604   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 605   DocumentPtr aDoc = aMgr->rootDocument();
 606   if (aDoc->isOperation())
 607     operationMgr()->abortOperation();
 608   aDoc->undo();
 609   updateCommandStatus();
 610 }
 611
 612 //******************************************************
 613 void XGUI_Workshop::onRedo()
 614 {
 615   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
 616   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 617   DocumentPtr aDoc = aMgr->rootDocument();
 618   if (aDoc->isOperation())
 619     operationMgr()->abortOperation();
 620   aDoc->redo();
 621   updateCommandStatus();
 622 }
 623
 624 //******************************************************
 625 ModuleBase_IModule* XGUI_Workshop::loadModule(const QString& theModule)
 626 {
 627   QString libName =
 628       QString::fromStdString(library(theModule.toStdString()));
 629   if (libName.isEmpty()) {
 630     qWarning(
 631     qPrintable( tr( "Information about module \"%1\" doesn't exist." ).arg( theModule ) ));
 632     return 0;
 633   }
 634
 635   QString err;
 636   CREATE_FUNC crtInst = 0;
 637
 638 #ifdef WIN32
 639   HINSTANCE modLib = ::LoadLibrary((LPTSTR) qPrintable(libName));
 640   if (!modLib) {
 641     LPVOID lpMsgBuf;
 642     ::FormatMessage(
 643         FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
 644         0, ::GetLastError(), 0, (LPTSTR) & lpMsgBuf, 0, 0);
 645     QString aMsg((char*) &lpMsgBuf);
 646     err = QString("Failed to load  %1. %2").arg(libName).arg(aMsg);
 647     ::LocalFree(lpMsgBuf);
 648   } else {
 649     crtInst = (CREATE_FUNC) ::GetProcAddress(modLib, CREATE_MODULE);
 650     if (!crtInst) {
 651       LPVOID lpMsgBuf;
 652       ::FormatMessage(
 653           FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM
 654               | FORMAT_MESSAGE_IGNORE_INSERTS,
 655           0, ::GetLastError(), 0, (LPTSTR) & lpMsgBuf, 0, 0);
 656       QString aMsg((char*) &lpMsgBuf);
 657       err = QString("Failed to find  %1 function. %2").arg( CREATE_MODULE).arg(aMsg);
 658       ::LocalFree(lpMsgBuf);
 659     }
 660   }
 661 #else
 662   void* modLib = dlopen( libName.toLatin1(), RTLD_LAZY | RTLD_GLOBAL );
 663   if ( !modLib ) {
 664     err = QString( "Can not load library %1. %2" ).arg( libName ).arg( dlerror() );
 665   } else {
 666     crtInst = (CREATE_FUNC)dlsym( modLib, CREATE_MODULE );
 667     if ( !crtInst ) {
 668       err = QString( "Failed to find function %1. %2" ).arg( CREATE_MODULE ).arg( dlerror() );
 669     }
 670   }
 671 #endif
 672
 673   ModuleBase_IModule* aModule = crtInst ? crtInst(this) : 0;
 674
 675   if (!err.isEmpty()) {
 676     if (mainWindow()) {
 677       QMessageBox::warning(mainWindow(), tr("Error"), err);
 678     } else {
 679       qWarning( qPrintable( err ));
 680     }
 681   }
 682   return aModule;
 683 }
 684
 685 //******************************************************
 686 bool XGUI_Workshop::activateModule()
 687 {
 688   Config_ModuleReader aModuleReader;
 689   QString moduleName = QString::fromStdString(aModuleReader.getModuleName());
 690   myModule = loadModule(moduleName);
 691   if (!myModule)
 692     return false;
 693   myModule->createFeatures();
 694   myActionsMgr->update();
 695   return true;
 696 }
 697
 698 //******************************************************
 699 void XGUI_Workshop::updateCommandStatus()
 700 {
 701   QList<QAction*> aCommands;
 702   if (isSalomeMode()) { // update commands in SALOME mode
 703     aCommands = salomeConnector()->commandList();
 704   } else {
 705     XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
 706     foreach (XGUI_Command* aCmd, aMenuBar->features())
 707       aCommands.append(aCmd);
 708   }
 709   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 710   if (aMgr->hasRootDocument()) {
 711     QAction* aUndoCmd;
 712     QAction* aRedoCmd;
 713     foreach(QAction* aCmd, aCommands) {
 714       QString aId = aCmd->data().toString();
 715       if (aId == "UNDO_CMD")
 716         aUndoCmd = aCmd;
 717       else if (aId == "REDO_CMD")
 718         aRedoCmd = aCmd;
 719       else // Enable all commands
 720         aCmd->setEnabled(true);
 721     }
 722     DocumentPtr aDoc = aMgr->rootDocument();
 723     aUndoCmd->setEnabled(aDoc->canUndo());
 724     aRedoCmd->setEnabled(aDoc->canRedo());
 725   } else {
 726     foreach(QAction* aCmd, aCommands) {
 727       QString aId = aCmd->data().toString();
 728       if (aId == "NEW_CMD")
 729         aCmd->setEnabled(true);
 730       else if (aId == "EXIT_CMD")
 731         aCmd->setEnabled(true);
 732       else
 733         aCmd->setEnabled(false);
 734     }
 735   }
 736   myActionsMgr->update();
 737 }
 738
 739 //******************************************************
 740 QList<QAction*> XGUI_Workshop::getModuleCommands() const
 741 {
 742   QList<QAction*> aCommands;
 743   if (isSalomeMode()) { // update commands in SALOME mode
 744     aCommands = salomeConnector()->commandList();
 745   } else {
 746     XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
 747     foreach (XGUI_Workbench* aWb, aMenuBar->workbenches()) {
 748       if (aWb != aMenuBar->generalPage()) {
 749         foreach(XGUI_Command* aCmd, aWb->features())
 750           aCommands.append(aCmd);
 751       }
 752     }
 753   }
 754   return aCommands;
 755 }
 756
 757 //******************************************************
 758 QDockWidget* XGUI_Workshop::createObjectBrowser(QWidget* theParent)
 759 {
 760   QDockWidget* aObjDock = new QDockWidget(theParent);
 761   aObjDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
 762   aObjDock->setWindowTitle(tr("Object browser"));
 763   aObjDock->setStyleSheet("::title { position: relative; padding-left: 5px; text-align: left center }");
 764   myObjectBrowser = new XGUI_ObjectsBrowser(aObjDock);
 765   connect(myObjectBrowser, SIGNAL(activePartChanged(FeaturePtr)), this, SLOT(changeCurrentDocument(FeaturePtr)));
 766   aObjDock->setWidget(myObjectBrowser);
 767
 768   myContextMenuMgr->connectObjectBrowser();
 769   return aObjDock;
 770 }
 771
 772 //******************************************************
 773 /*
 774  * Creates dock widgets, places them in corresponding area
 775  * and tabifies if necessary.
 776  */
 777 void XGUI_Workshop::createDockWidgets()
 778 {
 779   QMainWindow* aDesktop = isSalomeMode()? salomeConnector()->desktop() :
 780                                           myMainWindow;
 781   QDockWidget* aObjDock = createObjectBrowser(aDesktop);
 782   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, aObjDock);
 783   myPropertyPanel = new XGUI_PropertyPanel(aDesktop);
 784   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, myPropertyPanel);
 785   hidePropertyPanel(); //<! Invisible by default
 786   hideObjectBrowser();
 787   aDesktop->tabifyDockWidget(aObjDock, myPropertyPanel);
 788
 789   QPushButton* aOkBtn = myPropertyPanel->findChild<QPushButton*>(XGUI::PROP_PANEL_OK);
 790   connect(aOkBtn, SIGNAL(clicked()), myOperationMgr, SLOT(onCommitOperation()));
 791   QPushButton* aCancelBtn = myPropertyPanel->findChild<QPushButton*>(XGUI::PROP_PANEL_CANCEL);
 792   connect(aCancelBtn, SIGNAL(clicked()), myOperationMgr, SLOT(onAbortOperation()));
 793
 794   connect(myPropertyPanel, SIGNAL(keyReleased(const std::string&, QKeyEvent*)),
 795           myOperationMgr, SLOT(onKeyReleased(const std::string&, QKeyEvent*)));
 796
 797   connect(myPropertyPanel, SIGNAL(widgetActivated(ModuleBase_ModelWidget*)),
 798           myOperationMgr, SLOT(onWidgetActivated(ModuleBase_ModelWidget*)));
 799   connect(myOperationMgr, SIGNAL(activateNextWidget(ModuleBase_ModelWidget*)),
 800           myPropertyPanel, SLOT(onActivateNextWidget(ModuleBase_ModelWidget*)));
 801 }
 802
 803 //******************************************************
 804 void XGUI_Workshop::showPropertyPanel()
 805 {
 806   QAction* aViewAct = myPropertyPanel->toggleViewAction();
 807   //<! Restore ability to close panel from the window's menu
 808   aViewAct->setEnabled(true);
 809   myPropertyPanel->show();
 810   myPropertyPanel->raise();
 811 }
 812
 813 //******************************************************
 814 void XGUI_Workshop::hidePropertyPanel()
 815 {
 816   QAction* aViewAct = myPropertyPanel->toggleViewAction();
 817   //<! Do not allow to show empty property panel
 818   aViewAct->setEnabled(false);
 819   myPropertyPanel->hide();
 820 }
 821
 822 //******************************************************
 823 void XGUI_Workshop::showObjectBrowser()
 824 {
 825   myObjectBrowser->parentWidget()->show();
 826 }
 827
 828 //******************************************************
 829 void XGUI_Workshop::hideObjectBrowser()
 830 {
 831   myObjectBrowser->parentWidget()->hide();
 832 }
 833
 834 //******************************************************
 835 void XGUI_Workshop::onFeatureTriggered()
 836 {
 837   QAction* aCmd = dynamic_cast<QAction*>(sender());
 838   if (aCmd) {
 839     QString aId = salomeConnector()->commandId(aCmd);
 840     if (!aId.isNull())
 841       myModule->launchOperation(aId);
 842   }
 843 }
 844
 845 //******************************************************
 846 void XGUI_Workshop::changeCurrentDocument(ObjectPtr theObj)
 847 {
 848   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 849   if (theObj) {
 850     ResultPartPtr aPart = boost::dynamic_pointer_cast<ModelAPI_ResultPart>(theObj);
 851     if (aPart) {
 852       DocumentPtr aPartDoc = aPart->partDoc();
 853       if (aPartDoc) {
 854         aMgr->setCurrentDocument(aPartDoc);
 855         return;
 856       }
 857     }
 858   }
 859   aMgr->setCurrentDocument(aMgr->rootDocument());
 860 }
 861
 862 //******************************************************
 863 void XGUI_Workshop::salomeViewerSelectionChanged()
 864 {
 865   emit salomeViewerSelection();
 866 }
 867
 868
 869 //**************************************************************
 870 XGUI_SalomeViewer* XGUI_Workshop::salomeViewer() const
 871 {
 872   return mySalomeConnector->viewer();
 873 }
 874
 875 //**************************************************************
 876 void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
 877 {
 878   QList<ObjectPtr> aObjects = mySelector->selection()->selectedObjects();
 879   if ((theId == "ACTIVATE_PART_CMD") && (aObjects.size() > 0)) {
 880     ResultPartPtr aPart = boost::dynamic_pointer_cast<ModelAPI_ResultPart>(aObjects.first());
 881     activatePart(aPart);
 882   } else if (theId == "DEACTIVATE_PART_CMD")
 883     activatePart(ResultPartPtr());
 884   else if (theId == "DELETE_CMD")
 885     deleteObjects(aObjects);
 886   else if (theId == "SHOW_CMD")
 887     showObjects(aObjects, true);
 888   else if (theId == "HIDE_CMD")
 889     showObjects(aObjects, false);
 890 }
 891
 892 //**************************************************************
 893 void XGUI_Workshop::onWidgetValuesChanged()
 894 {
 895   ModuleBase_Operation* anOperation = myOperationMgr->currentOperation();
 896   FeaturePtr aFeature = anOperation->feature();
 897
 898   ModuleBase_ModelWidget* aSenderWidget = dynamic_cast<ModuleBase_ModelWidget*>(sender());
 899   //if (aCustom)
 900   //  aCustom->storeValue(aFeature);
 901
 902   const QList<ModuleBase_ModelWidget*>& aWidgets = myPropertyPanel->modelWidgets();
 903   QList<ModuleBase_ModelWidget*>::const_iterator anIt = aWidgets.begin(), aLast = aWidgets.end();
 904   for (; anIt != aLast; anIt++) {
 905     ModuleBase_ModelWidget* aCustom = *anIt;
 906     if (aCustom && (/*!aCustom->isInitialized(aFeature) ||*/ aCustom == aSenderWidget)) {
 907       aCustom->storeValue(aFeature);
 908     }
 909   }
 910 }
 911
 912 //**************************************************************
 913 void XGUI_Workshop::activatePart(ResultPartPtr theFeature)
 914 {
 915   changeCurrentDocument(theFeature);
 916   myObjectBrowser->activatePart(theFeature);
 917 }
 918
 919 //**************************************************************
 920 void XGUI_Workshop::activateLastPart()
 921 {
 922   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 923   DocumentPtr aDoc = aMgr->rootDocument();
 924   std::string aGrpName = ModelAPI_ResultPart::group();
 925   ObjectPtr aLastPart = aDoc->object(aGrpName, aDoc->size(aGrpName) - 1);
 926   ResultPartPtr aPart = boost::dynamic_pointer_cast<ModelAPI_ResultPart>(aLastPart);
 927   if (aPart)
 928     activatePart(aPart);
 929 }
 930
 931 //**************************************************************
 932 void XGUI_Workshop::deleteObjects(const QList<ObjectPtr>& theList)
 933 {
 934   QMainWindow* aDesktop = isSalomeMode()? salomeConnector()->desktop() : myMainWindow;
 935   QMessageBox::StandardButton aRes = QMessageBox::warning(aDesktop, tr("Delete features"),
 936                                                           tr("Seleted features will be deleted. Continue?"),
 937                                                           QMessageBox::No | QMessageBox::Yes, QMessageBox::No);
 938   // ToDo: definbe deleting method
 939   if (aRes == QMessageBox::Yes) {
 940     PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 941     aMgr->rootDocument()->startOperation();
 942     foreach (ObjectPtr aObj, theList) {
 943       ResultPartPtr aPart = boost::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
 944       if (aPart) {
 945         DocumentPtr aDoc = aPart->document();
 946         if (aDoc == aMgr->currentDocument()) {
 947           aDoc->close();
 948         }
 949         //aMgr->rootDocument()->removeFeature(aPart->owner());
 950       } else {
 951         FeaturePtr aFeature = boost::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 952         if (aFeature)
 953           aObj->document()->removeFeature(aFeature);
 954       }
 955     }
 956     myDisplayer->updateViewer();
 957     aMgr->rootDocument()->finishOperation();
 958   }
 959 }
 960
 961 //**************************************************************
 962 void XGUI_Workshop::showObjects(const QList<ObjectPtr>& theList, bool isVisible)
 963 {
 964   foreach (ObjectPtr aObj, theList) {
 965     ResultPtr aRes = boost::dynamic_pointer_cast<ModelAPI_Result>(aObj);
 966     if (aRes) {
 967       if (isVisible) {
 968         myDisplayer->display(aRes, false);
 969       } else {
 970         myDisplayer->erase(aRes, false);
 971       }
 972     }
 973   }
 974   myDisplayer->updateViewer();
 975 }
 976
 977 //**************************************************************
 978 void XGUI_Workshop::updateCommandsOnViewSelection()
 979 {
 980   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 981   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
 982   XGUI_Selection* aSelection = mySelector->selection();
 983
 984   QList<QAction*> aActions = getModuleCommands();
 985   foreach(QAction* aAction, aActions) {
 986     QString aId = aAction->data().toString();
 987     const ModelAPI_Validator* aValidator = aFactory->validator(aId.toStdString());
 988     if (aValidator) {
 989       const ModuleBase_SelectionValidator* aSelValidator =
 990         dynamic_cast<const ModuleBase_SelectionValidator*>(aValidator);
 991       if (aSelValidator) {
 992         aAction->setEnabled(aSelValidator->isValid(aSelection));
 993       }
 994     }
 995   }
 996 }