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   bool isDisplayed = false;
 309   for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
 310     ObjectPtr aObj = (*aIt);
 311     ResultPtr aRes = boost::dynamic_pointer_cast<ModelAPI_Result>(aObj);
 312     if (aRes) {
 313       if (aRes->data())
 314         isDisplayed = myDisplayer->redisplay(aRes, false);
 315       else {
 316         myDisplayer->erase(aRes, false);
 317         isDisplayed = true;
 318       }
 319     }
 320   }
 321   if (isDisplayed)
 322     myDisplayer->updateViewer();
 323 }
 324
 325 //******************************************************
 326 void XGUI_Workshop::onFeatureCreatedMsg(const ModelAPI_ObjectUpdatedMessage* theMsg)
 327 {
 328   std::set<ObjectPtr> aFeatures = theMsg->objects();
 329
 330   std::set<ObjectPtr>::const_iterator aIt;
 331   bool aHasPart = false;
 332   bool isDisplayed = false;
 333   for (aIt = aFeatures.begin(); aIt != aFeatures.end(); ++aIt) {
 334      ResultPartPtr aPart = boost::dynamic_pointer_cast<ModelAPI_ResultPart>(*aIt);
 335     if (aPart) {
 336       aHasPart = true;
 337       //break;
 338     } else {
 339       ResultPtr aRes = boost::dynamic_pointer_cast<ModelAPI_Result>(*aIt);
 340       if (aRes)
 341         isDisplayed = myDisplayer->display(aRes, false);
 342     }
 343   }
 344   if (isDisplayed)
 345     myDisplayer->updateViewer();
 346   if (aHasPart) {
 347     //The created part will be created in Object Browser later and we have to activate it
 348     // only when it is created everywere
 349     QTimer::singleShot(50, this, SLOT(activateLastPart()));
 350   }
 351 }
 352
 353 //******************************************************
 354 void XGUI_Workshop::onObjectDeletedMsg(const ModelAPI_ObjectDeletedMessage* theMsg)
 355 {
 356   //std::set<ObjectPtr> aFeatures = theMsg->objects();
 357 }
 358
 359 //******************************************************
 360 void XGUI_Workshop::onOperationStarted()
 361 {
 362   ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
 363
 364   if(aOperation->getDescription()->hasXmlRepresentation()) { //!< No need for property panel
 365     connectWithOperation(aOperation);
 366
 367     showPropertyPanel();
 368     QString aXmlRepr = aOperation->getDescription()->xmlRepresentation();
 369     ModuleBase_WidgetFactory aFactory = ModuleBase_WidgetFactory(aXmlRepr.toStdString(), myModuleConnector);
 370
 371     myPropertyPanel->cleanContent();
 372     aFactory.createWidget(myPropertyPanel->contentWidget());
 373
 374     QList<ModuleBase_ModelWidget*> aWidgets = aFactory.getModelWidgets();
 375     QList<ModuleBase_ModelWidget*>::const_iterator anIt = aWidgets.begin(), aLast = aWidgets.end();
 376     ModuleBase_ModelWidget* aWidget;
 377     for (; anIt != aLast; anIt++) {
 378       aWidget = *anIt;
 379       //QObject::connect(aWidget, SIGNAL(valuesChanged()),  aOperation, SLOT(storeCustomValue()));
 380       QObject::connect(aWidget, SIGNAL(valuesChanged()),
 381                        this, SLOT(onWidgetValuesChanged()));
 382       // Init default values
 383       if (!aOperation->isEditOperation() && aWidget->hasDefaultValue()) {
 384         aWidget->storeValue(aOperation->feature());
 385       }
 386     }
 387
 388     myPropertyPanel->setModelWidgets(aWidgets);
 389     myPropertyPanel->setWindowTitle(aOperation->getDescription()->description());
 390   }
 391   updateCommandStatus();
 392 }
 393
 394 //******************************************************
 395 void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
 396 {
 397   //!< No need for property panel
 398   updateCommandStatus();
 399   hidePropertyPanel();
 400   myPropertyPanel->cleanContent();
 401 }
 402
 403 /*
 404  *
 405  */
 406 void XGUI_Workshop::addFeature(const Config_FeatureMessage* theMessage)
 407 {
 408   if (!theMessage) {
 409 #ifdef _DEBUG
 410     qDebug() << "XGUI_Workshop::addFeature: NULL message.";
 411 #endif
 412     return;
 413   }
 414   // Remember features icons
 415   myIcons[QString::fromStdString(theMessage->id())] = QString::fromStdString(theMessage->icon());
 416
 417   //Find or create Workbench
 418   QString aWchName = QString::fromStdString(theMessage->workbenchId());
 419   QString aNestedFeatures = QString::fromStdString(theMessage->nestedFeatures());
 420   bool isUsePropPanel = theMessage->isUseInput();
 421   QString aId = QString::fromStdString(theMessage->id());
 422   if (isSalomeMode()) {
 423     QAction* aAction = salomeConnector()->addFeature(aWchName,
 424                               aId,
 425                               QString::fromStdString(theMessage->text()),
 426                               QString::fromStdString(theMessage->tooltip()),
 427                               QIcon(theMessage->icon().c_str()),
 428                               QKeySequence(), isUsePropPanel);
 429     salomeConnector()->setNestedActions(aId, aNestedFeatures.split(" "));
 430     myActionsMgr->addCommand(aAction);
 431     myModule->featureCreated(aAction);
 432   } else {
 433
 434     XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
 435     XGUI_Workbench* aPage = aMenuBar->findWorkbench(aWchName);
 436     if (!aPage) {
 437       aPage = addWorkbench(aWchName);
 438     }
 439     //Find or create Group
 440     QString aGroupName = QString::fromStdString(theMessage->groupId());
 441     XGUI_MenuGroupPanel* aGroup = aPage->findGroup(aGroupName);
 442     if (!aGroup) {
 443       aGroup = aPage->addGroup(aGroupName);
 444     }
 445     //Create feature...
 446     XGUI_Command* aCommand = aGroup->addFeature(aId,
 447                                                 QString::fromStdString(theMessage->text()),
 448                                                 QString::fromStdString(theMessage->tooltip()),
 449                                                 QIcon(theMessage->icon().c_str()),
 450                                                 QKeySequence(), isUsePropPanel);
 451     aCommand->setNestedCommands(aNestedFeatures.split(" ", QString::SkipEmptyParts));
 452     myActionsMgr->addCommand(aCommand);
 453     myModule->featureCreated(aCommand);
 454   }
 455 }
 456
 457 /*
 458  * Makes a signal/slot connections between Property Panel
 459  * and given operation. The given operation becomes a
 460  * current operation and previous operation if exists
 461  */
 462 void XGUI_Workshop::connectWithOperation(ModuleBase_Operation* theOperation)
 463 {
 464   QAction* aCommand = 0;
 465   if (isSalomeMode()) {
 466     aCommand = salomeConnector()->command(theOperation->getDescription()->operationId());
 467   } else {
 468     XGUI_MainMenu* aMenu = myMainWindow->menuObject();
 469     aCommand = aMenu->feature(theOperation->getDescription()->operationId());
 470   }
 471   //Abort operation on uncheck the command
 472   connect(aCommand, SIGNAL(triggered(bool)), theOperation, SLOT(setRunning(bool)));
 473 }
 474
 475 /*
 476  * Saves document with given name.
 477  */
 478 void XGUI_Workshop::saveDocument(QString theName)
 479 {
 480   QApplication::restoreOverrideCursor();
 481   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 482   DocumentPtr aDoc = aMgr->rootDocument();
 483   aDoc->save(theName.toLatin1().constData());
 484   QApplication::restoreOverrideCursor();
 485 }
 486
 487 //******************************************************
 488 void XGUI_Workshop::onExit()
 489 {
 490   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 491   DocumentPtr aDoc = aMgr->rootDocument();
 492   if(aDoc->isModified()) {
 493     int anAnswer = QMessageBox::question(
 494         myMainWindow, tr("Save current file"),
 495         tr("The document is modified, save before exit?"),
 496         QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
 497     if(anAnswer == QMessageBox::Save) {
 498       bool saved = onSave();
 499       if(!saved) {
 500         return;
 501       }
 502     } else if (anAnswer == QMessageBox::Cancel) {
 503       return;
 504     }
 505   }
 506   qApp->exit();
 507 }
 508
 509 //******************************************************
 510 void XGUI_Workshop::onNew()
 511 {
 512   QApplication::setOverrideCursor(Qt::WaitCursor);
 513   if (objectBrowser() == 0) {
 514     createDockWidgets();
 515     mySelector->connectViewers();
 516   }
 517   myViewerProxy->connectToViewer();
 518   showObjectBrowser();
 519   if (!isSalomeMode()) {
 520     myMainWindow->showPythonConsole();
 521     QMdiSubWindow* aWnd = myMainWindow->viewer()->createView();
 522     aWnd->showMaximized();
 523     updateCommandStatus();
 524   }
 525   myContextMenuMgr->connectViewer();
 526   QApplication::restoreOverrideCursor();
 527 }
 528
 529 //******************************************************
 530 void XGUI_Workshop::onOpen()
 531 {
 532   //save current file before close if modified
 533   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 534   DocumentPtr aDoc = aMgr->rootDocument();
 535   if(aDoc->isModified()) {
 536     //TODO(sbh): re-launch the app?
 537     int anAnswer = QMessageBox::question(
 538         myMainWindow, tr("Save current file"),
 539         tr("The document is modified, save before opening another?"),
 540         QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
 541     if(anAnswer == QMessageBox::Save) {
 542       onSave();
 543     } else if (anAnswer == QMessageBox::Cancel) {
 544       return;
 545     }
 546     aDoc->close();
 547     myCurrentDir = "";
 548   }
 549
 550   //show file dialog, check if readable and open
 551   myCurrentDir = QFileDialog::getExistingDirectory(mainWindow());
 552   if(myCurrentDir.isEmpty())
 553     return;
 554   QFileInfo aFileInfo(myCurrentDir);
 555   if(!aFileInfo.exists() || !aFileInfo.isReadable()) {
 556     QMessageBox::critical(myMainWindow, tr("Warning"), tr("Unable to open the file."));
 557     myCurrentDir = "";
 558     return;
 559   }
 560   QApplication::setOverrideCursor(Qt::WaitCursor);
 561   aDoc->load(myCurrentDir.toLatin1().constData());
 562   updateCommandStatus();
 563   myObjectBrowser->rebuildDataTree();
 564   QApplication::restoreOverrideCursor();
 565 }
 566
 567 //******************************************************
 568 bool XGUI_Workshop::onSave()
 569 {
 570   if(myCurrentDir.isEmpty()) {
 571     return onSaveAs();
 572   }
 573   saveDocument(myCurrentDir);
 574   updateCommandStatus();
 575   return true;
 576 }
 577
 578 //******************************************************
 579 bool XGUI_Workshop::onSaveAs()
 580 {
 581   QFileDialog dialog(mainWindow());
 582   dialog.setWindowTitle(tr("Select directory to save files..."));
 583   dialog.setFileMode(QFileDialog::Directory);
 584   dialog.setFilter(tr("Folders (*)"));
 585   dialog.setOptions(QFileDialog::HideNameFilterDetails | QFileDialog::ShowDirsOnly);
 586   dialog.setViewMode(QFileDialog::Detail);
 587
 588   if(!dialog.exec()) {
 589     return false;
 590   }
 591   QString aTempDir = dialog.selectedFiles().first();
 592   QDir aDir(aTempDir);
 593   if(aDir.exists() && !aDir.entryInfoList(QDir::NoDotAndDotDot|QDir::AllEntries).isEmpty()) {
 594     int answer = QMessageBox::question(myMainWindow,
 595                                        //: Title of the dialog which asks user if he wants to save study in existing non-empty folder
 596                                        tr("Save"),
 597                                        tr("The folder already contains some files, save anyway?"),
 598                                        QMessageBox::Save|QMessageBox::Cancel);
 599     if(answer == QMessageBox::Cancel) {
 600       return false;
 601     }
 602   }
 603   myCurrentDir = aTempDir;
 604   return onSave();
 605 }
 606
 607 //******************************************************
 608 void XGUI_Workshop::onUndo()
 609 {
 610   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
 611   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 612   DocumentPtr aDoc = aMgr->rootDocument();
 613   if (aDoc->isOperation())
 614     operationMgr()->abortOperation();
 615   aDoc->undo();
 616   updateCommandStatus();
 617 }
 618
 619 //******************************************************
 620 void XGUI_Workshop::onRedo()
 621 {
 622   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
 623   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 624   DocumentPtr aDoc = aMgr->rootDocument();
 625   if (aDoc->isOperation())
 626     operationMgr()->abortOperation();
 627   aDoc->redo();
 628   updateCommandStatus();
 629 }
 630
 631 //******************************************************
 632 ModuleBase_IModule* XGUI_Workshop::loadModule(const QString& theModule)
 633 {
 634   QString libName =
 635       QString::fromStdString(library(theModule.toStdString()));
 636   if (libName.isEmpty()) {
 637     qWarning(
 638     qPrintable( tr( "Information about module \"%1\" doesn't exist." ).arg( theModule ) ));
 639     return 0;
 640   }
 641
 642   QString err;
 643   CREATE_FUNC crtInst = 0;
 644
 645 #ifdef WIN32
 646   HINSTANCE modLib = ::LoadLibrary((LPTSTR) qPrintable(libName));
 647   if (!modLib) {
 648     LPVOID lpMsgBuf;
 649     ::FormatMessage(
 650         FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
 651         0, ::GetLastError(), 0, (LPTSTR) & lpMsgBuf, 0, 0);
 652     QString aMsg((char*) &lpMsgBuf);
 653     err = QString("Failed to load  %1. %2").arg(libName).arg(aMsg);
 654     ::LocalFree(lpMsgBuf);
 655   } else {
 656     crtInst = (CREATE_FUNC) ::GetProcAddress(modLib, CREATE_MODULE);
 657     if (!crtInst) {
 658       LPVOID lpMsgBuf;
 659       ::FormatMessage(
 660           FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM
 661               | FORMAT_MESSAGE_IGNORE_INSERTS,
 662           0, ::GetLastError(), 0, (LPTSTR) & lpMsgBuf, 0, 0);
 663       QString aMsg((char*) &lpMsgBuf);
 664       err = QString("Failed to find  %1 function. %2").arg( CREATE_MODULE).arg(aMsg);
 665       ::LocalFree(lpMsgBuf);
 666     }
 667   }
 668 #else
 669   void* modLib = dlopen( libName.toLatin1(), RTLD_LAZY | RTLD_GLOBAL );
 670   if ( !modLib ) {
 671     err = QString( "Can not load library %1. %2" ).arg( libName ).arg( dlerror() );
 672   } else {
 673     crtInst = (CREATE_FUNC)dlsym( modLib, CREATE_MODULE );
 674     if ( !crtInst ) {
 675       err = QString( "Failed to find function %1. %2" ).arg( CREATE_MODULE ).arg( dlerror() );
 676     }
 677   }
 678 #endif
 679
 680   ModuleBase_IModule* aModule = crtInst ? crtInst(this) : 0;
 681
 682   if (!err.isEmpty()) {
 683     if (mainWindow()) {
 684       QMessageBox::warning(mainWindow(), tr("Error"), err);
 685     } else {
 686       qWarning( qPrintable( err ));
 687     }
 688   }
 689   return aModule;
 690 }
 691
 692 //******************************************************
 693 bool XGUI_Workshop::activateModule()
 694 {
 695   Config_ModuleReader aModuleReader;
 696   QString moduleName = QString::fromStdString(aModuleReader.getModuleName());
 697   myModule = loadModule(moduleName);
 698   if (!myModule)
 699     return false;
 700   myModule->createFeatures();
 701   myActionsMgr->update();
 702   return true;
 703 }
 704
 705 //******************************************************
 706 void XGUI_Workshop::updateCommandStatus()
 707 {
 708   QList<QAction*> aCommands;
 709   if (isSalomeMode()) { // update commands in SALOME mode
 710     aCommands = salomeConnector()->commandList();
 711   } else {
 712     XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
 713     foreach (XGUI_Command* aCmd, aMenuBar->features())
 714       aCommands.append(aCmd);
 715   }
 716   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 717   if (aMgr->hasRootDocument()) {
 718     QAction* aUndoCmd;
 719     QAction* aRedoCmd;
 720     foreach(QAction* aCmd, aCommands) {
 721       QString aId = aCmd->data().toString();
 722       if (aId == "UNDO_CMD")
 723         aUndoCmd = aCmd;
 724       else if (aId == "REDO_CMD")
 725         aRedoCmd = aCmd;
 726       else // Enable all commands
 727         aCmd->setEnabled(true);
 728     }
 729     DocumentPtr aDoc = aMgr->rootDocument();
 730     aUndoCmd->setEnabled(aDoc->canUndo());
 731     aRedoCmd->setEnabled(aDoc->canRedo());
 732   } else {
 733     foreach(QAction* aCmd, aCommands) {
 734       QString aId = aCmd->data().toString();
 735       if (aId == "NEW_CMD")
 736         aCmd->setEnabled(true);
 737       else if (aId == "EXIT_CMD")
 738         aCmd->setEnabled(true);
 739       else
 740         aCmd->setEnabled(false);
 741     }
 742   }
 743   myActionsMgr->update();
 744 }
 745
 746 //******************************************************
 747 QList<QAction*> XGUI_Workshop::getModuleCommands() const
 748 {
 749   QList<QAction*> aCommands;
 750   if (isSalomeMode()) { // update commands in SALOME mode
 751     aCommands = salomeConnector()->commandList();
 752   } else {
 753     XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
 754     foreach (XGUI_Workbench* aWb, aMenuBar->workbenches()) {
 755       if (aWb != aMenuBar->generalPage()) {
 756         foreach(XGUI_Command* aCmd, aWb->features())
 757           aCommands.append(aCmd);
 758       }
 759     }
 760   }
 761   return aCommands;
 762 }
 763
 764 //******************************************************
 765 QDockWidget* XGUI_Workshop::createObjectBrowser(QWidget* theParent)
 766 {
 767   QDockWidget* aObjDock = new QDockWidget(theParent);
 768   aObjDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
 769   aObjDock->setWindowTitle(tr("Object browser"));
 770   aObjDock->setStyleSheet("::title { position: relative; padding-left: 5px; text-align: left center }");
 771   myObjectBrowser = new XGUI_ObjectsBrowser(aObjDock);
 772   connect(myObjectBrowser, SIGNAL(activePartChanged(FeaturePtr)), this, SLOT(changeCurrentDocument(FeaturePtr)));
 773   aObjDock->setWidget(myObjectBrowser);
 774
 775   myContextMenuMgr->connectObjectBrowser();
 776   return aObjDock;
 777 }
 778
 779 //******************************************************
 780 /*
 781  * Creates dock widgets, places them in corresponding area
 782  * and tabifies if necessary.
 783  */
 784 void XGUI_Workshop::createDockWidgets()
 785 {
 786   QMainWindow* aDesktop = isSalomeMode()? salomeConnector()->desktop() :
 787                                           myMainWindow;
 788   QDockWidget* aObjDock = createObjectBrowser(aDesktop);
 789   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, aObjDock);
 790   myPropertyPanel = new XGUI_PropertyPanel(aDesktop);
 791   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, myPropertyPanel);
 792   hidePropertyPanel(); //<! Invisible by default
 793   hideObjectBrowser();
 794   aDesktop->tabifyDockWidget(aObjDock, myPropertyPanel);
 795
 796   QPushButton* aOkBtn = myPropertyPanel->findChild<QPushButton*>(XGUI::PROP_PANEL_OK);
 797   connect(aOkBtn, SIGNAL(clicked()), myOperationMgr, SLOT(onCommitOperation()));
 798   QPushButton* aCancelBtn = myPropertyPanel->findChild<QPushButton*>(XGUI::PROP_PANEL_CANCEL);
 799   connect(aCancelBtn, SIGNAL(clicked()), myOperationMgr, SLOT(onAbortOperation()));
 800
 801   connect(myPropertyPanel, SIGNAL(keyReleased(const std::string&, QKeyEvent*)),
 802           myOperationMgr, SLOT(onKeyReleased(const std::string&, QKeyEvent*)));
 803
 804   connect(myPropertyPanel, SIGNAL(widgetActivated(ModuleBase_ModelWidget*)),
 805           myOperationMgr, SLOT(onWidgetActivated(ModuleBase_ModelWidget*)));
 806   connect(myOperationMgr, SIGNAL(activateNextWidget(ModuleBase_ModelWidget*)),
 807           myPropertyPanel, SLOT(onActivateNextWidget(ModuleBase_ModelWidget*)));
 808 }
 809
 810 //******************************************************
 811 void XGUI_Workshop::showPropertyPanel()
 812 {
 813   QAction* aViewAct = myPropertyPanel->toggleViewAction();
 814   //<! Restore ability to close panel from the window's menu
 815   aViewAct->setEnabled(true);
 816   myPropertyPanel->show();
 817   myPropertyPanel->raise();
 818 }
 819
 820 //******************************************************
 821 void XGUI_Workshop::hidePropertyPanel()
 822 {
 823   QAction* aViewAct = myPropertyPanel->toggleViewAction();
 824   //<! Do not allow to show empty property panel
 825   aViewAct->setEnabled(false);
 826   myPropertyPanel->hide();
 827 }
 828
 829 //******************************************************
 830 void XGUI_Workshop::showObjectBrowser()
 831 {
 832   myObjectBrowser->parentWidget()->show();
 833 }
 834
 835 //******************************************************
 836 void XGUI_Workshop::hideObjectBrowser()
 837 {
 838   myObjectBrowser->parentWidget()->hide();
 839 }
 840
 841 //******************************************************
 842 void XGUI_Workshop::onFeatureTriggered()
 843 {
 844   QAction* aCmd = dynamic_cast<QAction*>(sender());
 845   if (aCmd) {
 846     QString aId = salomeConnector()->commandId(aCmd);
 847     if (!aId.isNull())
 848       myModule->launchOperation(aId);
 849   }
 850 }
 851
 852 //******************************************************
 853 void XGUI_Workshop::changeCurrentDocument(ObjectPtr theObj)
 854 {
 855   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 856   if (theObj) {
 857     ResultPartPtr aPart = boost::dynamic_pointer_cast<ModelAPI_ResultPart>(theObj);
 858     if (aPart) {
 859       DocumentPtr aPartDoc = aPart->partDoc();
 860       if (aPartDoc) {
 861         aMgr->setCurrentDocument(aPartDoc);
 862         return;
 863       }
 864     }
 865   }
 866   aMgr->setCurrentDocument(aMgr->rootDocument());
 867 }
 868
 869 //******************************************************
 870 void XGUI_Workshop::salomeViewerSelectionChanged()
 871 {
 872   emit salomeViewerSelection();
 873 }
 874
 875
 876 //**************************************************************
 877 XGUI_SalomeViewer* XGUI_Workshop::salomeViewer() const
 878 {
 879   return mySalomeConnector->viewer();
 880 }
 881
 882 //**************************************************************
 883 void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
 884 {
 885   QList<ObjectPtr> aObjects = mySelector->selection()->selectedObjects();
 886   if ((theId == "ACTIVATE_PART_CMD") && (aObjects.size() > 0)) {
 887     ResultPartPtr aPart = boost::dynamic_pointer_cast<ModelAPI_ResultPart>(aObjects.first());
 888     activatePart(aPart);
 889   } else if (theId == "DEACTIVATE_PART_CMD")
 890     activatePart(ResultPartPtr());
 891   else if (theId == "DELETE_CMD")
 892     deleteObjects(aObjects);
 893   else if (theId == "SHOW_CMD")
 894     showObjects(aObjects, true);
 895   else if (theId == "HIDE_CMD")
 896     showObjects(aObjects, false);
 897 }
 898
 899 //**************************************************************
 900 void XGUI_Workshop::onWidgetValuesChanged()
 901 {
 902   ModuleBase_Operation* anOperation = myOperationMgr->currentOperation();
 903   FeaturePtr aFeature = anOperation->feature();
 904
 905   ModuleBase_ModelWidget* aSenderWidget = dynamic_cast<ModuleBase_ModelWidget*>(sender());
 906   //if (aCustom)
 907   //  aCustom->storeValue(aFeature);
 908
 909   const QList<ModuleBase_ModelWidget*>& aWidgets = myPropertyPanel->modelWidgets();
 910   QList<ModuleBase_ModelWidget*>::const_iterator anIt = aWidgets.begin(), aLast = aWidgets.end();
 911   for (; anIt != aLast; anIt++) {
 912     ModuleBase_ModelWidget* aCustom = *anIt;
 913     if (aCustom && (/*!aCustom->isInitialized(aFeature) ||*/ aCustom == aSenderWidget)) {
 914       aCustom->storeValue(aFeature);
 915     }
 916   }
 917 }
 918
 919 //**************************************************************
 920 void XGUI_Workshop::activatePart(ResultPartPtr theFeature)
 921 {
 922   changeCurrentDocument(theFeature);
 923   myObjectBrowser->activatePart(theFeature);
 924 }
 925
 926 //**************************************************************
 927 void XGUI_Workshop::activateLastPart()
 928 {
 929   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 930   DocumentPtr aDoc = aMgr->rootDocument();
 931   std::string aGrpName = ModelAPI_ResultPart::group();
 932   ObjectPtr aLastPart = aDoc->object(aGrpName, aDoc->size(aGrpName) - 1);
 933   ResultPartPtr aPart = boost::dynamic_pointer_cast<ModelAPI_ResultPart>(aLastPart);
 934   if (aPart)
 935     activatePart(aPart);
 936 }
 937
 938 //**************************************************************
 939 void XGUI_Workshop::deleteObjects(const QList<ObjectPtr>& theList)
 940 {
 941   QMainWindow* aDesktop = isSalomeMode()? salomeConnector()->desktop() : myMainWindow;
 942   QMessageBox::StandardButton aRes = QMessageBox::warning(aDesktop, tr("Delete features"),
 943                                                           tr("Seleted features will be deleted. Continue?"),
 944                                                           QMessageBox::No | QMessageBox::Yes, QMessageBox::No);
 945   // ToDo: definbe deleting method
 946   if (aRes == QMessageBox::Yes) {
 947     PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 948     aMgr->rootDocument()->startOperation();
 949     foreach (ObjectPtr aObj, theList) {
 950       ResultPartPtr aPart = boost::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
 951       if (aPart) {
 952         DocumentPtr aDoc = aPart->document();
 953         if (aDoc == aMgr->currentDocument()) {
 954           aDoc->close();
 955         }
 956         //aMgr->rootDocument()->removeFeature(aPart->owner());
 957       } else {
 958         FeaturePtr aFeature = boost::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 959         if (aFeature)
 960           aObj->document()->removeFeature(aFeature);
 961       }
 962     }
 963     myDisplayer->updateViewer();
 964     aMgr->rootDocument()->finishOperation();
 965   }
 966 }
 967
 968 //**************************************************************
 969 void XGUI_Workshop::showObjects(const QList<ObjectPtr>& theList, bool isVisible)
 970 {
 971   foreach (ObjectPtr aObj, theList) {
 972     ResultPtr aRes = boost::dynamic_pointer_cast<ModelAPI_Result>(aObj);
 973     if (aRes) {
 974       if (isVisible) {
 975         myDisplayer->display(aRes, false);
 976       } else {
 977         myDisplayer->erase(aRes, false);
 978       }
 979     }
 980   }
 981   myDisplayer->updateViewer();
 982 }
 983
 984 //**************************************************************
 985 void XGUI_Workshop::updateCommandsOnViewSelection()
 986 {
 987   PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
 988   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
 989   XGUI_Selection* aSelection = mySelector->selection();
 990
 991   QList<QAction*> aActions = getModuleCommands();
 992   foreach(QAction* aAction, aActions) {
 993     QString aId = aAction->data().toString();
 994     const ModelAPI_Validator* aValidator = aFactory->validator(aId.toStdString());
 995     if (aValidator) {
 996       const ModuleBase_SelectionValidator* aSelValidator =
 997         dynamic_cast<const ModuleBase_SelectionValidator*>(aValidator);
 998       if (aSelValidator) {
 999         aAction->setEnabled(aSelValidator->isValid(aSelection));
1000       }
1001     }
1002   }
1003 }