src/XGUI/XGUI_OperationMgr.cpp

   1 // Copyright (C) 2014-2020  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "XGUI_OperationMgr.h"
  21
  22 #include "XGUI_ActiveControlMgr.h"
  23 #include "XGUI_ActiveControlSelector.h"
  24 #include "XGUI_FacesPanelSelector.h"
  25 #include "XGUI_ModuleConnector.h"
  26 #include "XGUI_Workshop.h"
  27 #include "XGUI_ErrorMgr.h"
  28 #include "XGUI_FacesPanel.h"
  29 #include "XGUI_Tools.h"
  30 #include "XGUI_ObjectsBrowser.h"
  31 #include "XGUI_ContextMenuMgr.h"
  32
  33 #include <ModuleBase_IPropertyPanel.h>
  34 #include <ModuleBase_ModelWidget.h>
  35 #include "ModuleBase_Operation.h"
  36 #include "ModuleBase_IWorkshop.h"
  37 #include "ModuleBase_IModule.h"
  38 #include <ModuleBase_IViewer.h>
  39 #include "ModuleBase_OperationDescription.h"
  40 #include "ModuleBase_OperationFeature.h"
  41 #include "ModuleBase_Tools.h"
  42
  43 #include <Config_Translator.h>
  44
  45 #include <ModelAPI_CompositeFeature.h>
  46 #include <ModelAPI_Session.h>
  47
  48 #include <XGUI_PropertyPanel.h>
  49 #include <QToolButton>
  50 #include <QLineEdit>
  51
  52 #include <QMessageBox>
  53 #include <QApplication>
  54 #include <QKeyEvent>
  55 #include <QWindow>
  56
  57 //#define DEBUG_CURRENT_FEATURE
  58
  59 /// Processes "Delete" key event of application. This key is used by several application actions.
  60 /// There is a logical order of the actions processing. So the key can not be set for actions
  61 /// as a shortcut. The class listens the key event and call operation manager processor.
  62 class XGUI_ShortCutListener : public QObject
  63 {
  64 public:
  65   /// Constructor
  66   /// \param theParent the parent to be deleted when the parent is deleted
  67   /// \param theOperationMgr the class to perform deletion
  68   XGUI_ShortCutListener(XGUI_OperationMgr* theOperationMgr)
  69     : QObject(theOperationMgr), myOperationMgr(theOperationMgr), myIsActive(false)
  70   {
  71     qApp->installEventFilter(this);
  72   }
  73   ~XGUI_ShortCutListener() {}
  74
  75   /// Switch on short cut listener
  76   void setActive(const bool theIsActive) { myIsActive = theIsActive; }
  77
  78   /// Redefinition of virtual function to process Delete key release
  79   virtual bool eventFilter(QObject *theObject, QEvent *theEvent);
  80
  81 private:
  82   XGUI_OperationMgr* myOperationMgr; /// processor for key event
  83   bool myIsActive; /// boolean state whether the event filter perform own signal processing
  84 };
  85
  86 bool XGUI_ShortCutListener::eventFilter(QObject *theObject, QEvent *theEvent)
  87 {
  88   bool isAccepted = false;
  89
  90   if (myIsActive) {
  91     // Do not process keys for modal dialogues: all keys has to be processed within the dialog
  92     // There is only one exception: ModuleBase_EditorDialog
  93     QWindow* aWnd = qApp->modalWindow();
  94     QString aName = "NoModal";
  95     if (aWnd) {
  96       if (!aWnd->objectName().startsWith("ModuleBase_EditorDialog"))
  97         aName = aWnd->objectName();
  98     }
  99     if (aName == "NoModal") {
 100       if (theEvent->type() == QEvent::KeyRelease) {
 101         QKeyEvent* aKeyEvent = dynamic_cast<QKeyEvent*>(theEvent);
 102         if (aKeyEvent) {
 103           myOperationMgr->setSHIFTPressed(aKeyEvent->modifiers() & Qt::ShiftModifier);
 104           switch (aKeyEvent->key()) {
 105           case Qt::Key_Delete:
 106             isAccepted = myOperationMgr->onProcessDelete(theObject);
 107             break;
 108           case Qt::Key_F2:
 109             myOperationMgr->xworkshop()->objectBrowser()->onEditItem();
 110             isAccepted = true;
 111             break;
 112           default:
 113             isAccepted = myOperationMgr->onKeyReleased(theObject, aKeyEvent);
 114             break;
 115           }
 116         }
 117       }
 118       else if (theEvent->type() == QEvent::KeyPress) {
 119         if (myOperationMgr->hasOperation()) {
 120           QKeyEvent* aKeyEvent = dynamic_cast<QKeyEvent*>(theEvent);
 121           myOperationMgr->setSHIFTPressed(aKeyEvent->modifiers() & Qt::ShiftModifier);
 122           isAccepted = myOperationMgr->onKeyPressed(theObject, aKeyEvent);
 123         }
 124       }
 125     }
 126   }
 127   if (!isAccepted)
 128     isAccepted = QObject::eventFilter(theObject, theEvent);
 129   return isAccepted;
 130 }
 131
 132
 133
 134 XGUI_OperationMgr::XGUI_OperationMgr(QObject* theParent,
 135   ModuleBase_IWorkshop* theWorkshop)
 136 : QObject(theParent), myWorkshop(theWorkshop), myActiveMessageBox(0), mySHIFTPressed(false)
 137 {
 138   /// we need to install filter to the application in order to react to 'Delete' key button
 139   /// this key can not be a short cut for a corresponded action because we need to set
 140   /// the actions priority
 141   myShortCutListener = new XGUI_ShortCutListener(this);
 142 }
 143
 144 XGUI_OperationMgr::~XGUI_OperationMgr()
 145 {
 146 }
 147
 148 void XGUI_OperationMgr::activate()
 149 {
 150   myShortCutListener->setActive(true);
 151 }
 152
 153 void XGUI_OperationMgr::deactivate()
 154 {
 155   myShortCutListener->setActive(false);
 156 }
 157
 158 ModuleBase_Operation* XGUI_OperationMgr::currentOperation() const
 159 {
 160   return myOperations.count() > 0 ? myOperations.last() : 0;
 161 }
 162
 163 bool XGUI_OperationMgr::isCurrentOperation(ModuleBase_Operation* theOperation)
 164 {
 165   if(!hasOperation())
 166     return false;
 167   return currentOperation() == theOperation;
 168 }
 169
 170 bool XGUI_OperationMgr::hasOperation() const
 171 {
 172   return !myOperations.isEmpty() && (myOperations.last() != NULL);
 173 }
 174
 175 bool XGUI_OperationMgr::hasOperation(const QString& theId) const
 176 {
 177   foreach(ModuleBase_Operation* aOp, myOperations) {
 178     if (aOp->id() == theId)
 179       return true;
 180   }
 181   return false;
 182 }
 183
 184 ModuleBase_Operation* XGUI_OperationMgr::findOperation(const QString& theId) const
 185 {
 186   QList<ModuleBase_Operation*>::const_iterator anIt = myOperations.end();
 187   while (anIt != myOperations.begin()) {
 188     --anIt;
 189     ModuleBase_Operation* anOperation = *anIt;
 190     if (anOperation->id() == theId)
 191       return anOperation;
 192   }
 193   return 0;
 194 }
 195
 196
 197 int XGUI_OperationMgr::operationsCount() const
 198 {
 199   return myOperations.count();
 200 }
 201
 202 QStringList XGUI_OperationMgr::operationList() const
 203 {
 204   QStringList result;
 205   foreach(ModuleBase_Operation* eachOperation, myOperations) {
 206     ModuleBase_OperationFeature* aFOperation =
 207       dynamic_cast<ModuleBase_OperationFeature*>(eachOperation);
 208     if (aFOperation) {
 209       FeaturePtr aFeature = aFOperation->feature();
 210       if(aFeature) {
 211         result << QString::fromStdString(aFeature->getKind());
 212       }
 213     }
 214   }
 215   return result;
 216 }
 217
 218 ModuleBase_Operation* XGUI_OperationMgr::previousOperation(ModuleBase_Operation* theOperation) const
 219 {
 220   int idx = myOperations.lastIndexOf(theOperation);
 221   if(idx == -1 || idx == 0) {
 222     return NULL;
 223   }
 224   return myOperations.at(idx - 1);
 225 }
 226
 227 ModuleBase_ModelWidget* XGUI_OperationMgr::activeWidget() const
 228 {
 229   ModuleBase_ModelWidget* anActiveWidget = 0;
 230   ModuleBase_Operation* anOperation = currentOperation();
 231   if (anOperation) {
 232     ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
 233     if (aPanel)
 234       anActiveWidget = aPanel->activeWidget();
 235   }
 236   return anActiveWidget;
 237 }
 238
 239 bool XGUI_OperationMgr::startOperation(ModuleBase_Operation* theOperation)
 240 {
 241   if (hasOperation())
 242     currentOperation()->postpone();
 243   myOperations.append(theOperation);
 244
 245   connect(theOperation, SIGNAL(beforeStarted()), SLOT(onBeforeOperationStarted()));
 246   connect(theOperation, SIGNAL(beforeAborted()), SLOT(onBeforeOperationAborted()));
 247   connect(theOperation, SIGNAL(beforeCommitted()), SLOT(onBeforeOperationCommitted()));
 248
 249   connect(theOperation, SIGNAL(started()), SLOT(onOperationStarted()));
 250   connect(theOperation, SIGNAL(aborted()), SLOT(onOperationAborted()));
 251   connect(theOperation, SIGNAL(committed()), SLOT(onOperationCommitted()));
 252
 253   connect(theOperation, SIGNAL(stopped()), SLOT(onOperationStopped()));
 254   connect(theOperation, SIGNAL(resumed()), SLOT(onOperationResumed()));
 255
 256   bool isStarted = theOperation->start();
 257   if (isStarted)
 258     onValidateOperation();
 259   return isStarted;
 260 }
 261
 262 bool XGUI_OperationMgr::abortAllOperations(const XGUI_MessageKind& theMessageKind)
 263 {
 264   bool aResult = true;
 265   if(!hasOperation())
 266     return aResult;
 267
 268   if (operationsCount() == 1) {
 269     ModuleBase_Operation* aCurrentOperation = currentOperation();
 270     if (canStopOperation(aCurrentOperation, theMessageKind)) {
 271       abortOperation(aCurrentOperation);
 272     }
 273     else
 274       aResult = false;
 275   }
 276   else {
 277     if (theMessageKind == XGUI_AbortOperationMessage) {
 278       myActiveMessageBox = createMessageBox(tr("All active operations will be aborted."));
 279       aResult = myActiveMessageBox->exec() == QMessageBox::Ok;
 280       myActiveMessageBox = 0;
 281     }
 282     else if (theMessageKind == XGUI_InformationMessage) {
 283       QString aMessage = tr("Please validate all your active operations before saving.");
 284       myActiveMessageBox = createInformationBox(aMessage);
 285       myActiveMessageBox->exec();
 286       myActiveMessageBox = 0;
 287       aResult = false; // do not perform abort
 288     }
 289     while(aResult && hasOperation()) {
 290       abortOperation(currentOperation());
 291     }
 292   }
 293   return aResult;
 294 }
 295
 296 bool XGUI_OperationMgr::commitAllOperations()
 297 {
 298   bool isCompositeCommitted = false, anOperationProcessed = false;
 299   while (hasOperation()) {
 300     ModuleBase_Operation* anOperation = currentOperation();
 301     if (XGUI_Tools::workshop(myWorkshop)->errorMgr()->isApplyEnabled()) {
 302       anOperationProcessed = commitOperation();
 303     } else {
 304       abortOperation(anOperation);
 305       anOperationProcessed = true;
 306     }
 307     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 308                                                                             (anOperation);
 309     if (aFOperation) {
 310       FeaturePtr aFeature = aFOperation->feature();
 311       CompositeFeaturePtr aComposite =
 312           std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeature);
 313       isCompositeCommitted = aComposite.get();
 314       if (isCompositeCommitted)
 315         break;
 316     }
 317     // not processed[committed] operation might be used in composite feature,
 318     // so the while will be stopped by the previous check.
 319     // this code is not necessary, but logically should be done when the processing will not
 320     // be done for not composite feature by some reasons
 321     if (!anOperationProcessed)
 322       break;
 323   }
 324   return true;
 325 }
 326
 327 void XGUI_OperationMgr::onValidateOperation()
 328 {
 329   if (!hasOperation())
 330     return;
 331   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 332                                                                           (currentOperation());
 333   if(aFOperation && aFOperation->feature().get())
 334     XGUI_Tools::workshop(myWorkshop)->errorMgr()->updateActions(aFOperation->feature());
 335 }
 336
 337 void XGUI_OperationMgr::updateApplyOfOperations(ModuleBase_Operation* theOperation)
 338 {
 339   XGUI_ErrorMgr* anErrorMgr = XGUI_Tools::workshop(myWorkshop)->errorMgr();
 340   if (theOperation) {
 341     ModuleBase_OperationFeature* aFOperation =
 342       dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
 343     if (aFOperation)
 344       anErrorMgr->updateAcceptAllAction(aFOperation->feature());
 345   }
 346   else {
 347     foreach(ModuleBase_Operation* anOperation, myOperations) {
 348       if (anOperation)
 349         updateApplyOfOperations(anOperation);
 350     }
 351   }
 352   // Apply button of the current operation should also be updated
 353   onValidateOperation();
 354 }
 355
 356 bool XGUI_OperationMgr::canStopOperation(ModuleBase_Operation* theOperation,
 357                                          const XGUI_OperationMgr::XGUI_MessageKind& theMessageKind)
 358 {
 359   //in case of nested (sketch) operation no confirmation needed
 360   if (isGrantedOperation(theOperation->id()))
 361     return true;
 362   if (theOperation && theOperation->isModified()) {
 363     ModuleBase_OperationFeature* aOp = dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
 364     std::string aContext;
 365     if (aOp && aOp->feature())
 366       aContext = aOp->feature()->getKind();
 367     QString aTitle = Config_Translator::translate(aContext,
 368       theOperation->getDescription()->description().toStdString()).c_str();
 369
 370     if (theMessageKind == XGUI_AbortOperationMessage) {
 371       QString aMessage = tr("%1 operation will be aborted.").arg(aTitle);
 372       myActiveMessageBox = createMessageBox(aMessage);
 373       bool aResult = myActiveMessageBox->exec() == QMessageBox::Ok;
 374       myActiveMessageBox = 0;
 375       return aResult;
 376     }
 377     else if (theMessageKind == XGUI_InformationMessage) {
 378       QString aMessage = tr("Please validate your %1 before saving.").arg(aTitle);
 379       myActiveMessageBox = createInformationBox(aMessage);
 380       myActiveMessageBox->exec();
 381       myActiveMessageBox = 0;
 382       return false;
 383     }
 384   }
 385   return true;
 386 }
 387
 388 void XGUI_OperationMgr::resumeOperation(ModuleBase_Operation* theOperation)
 389 {
 390   theOperation->resume();
 391 }
 392
 393 bool XGUI_OperationMgr::isGrantedOperation(const QString& theId)
 394 {
 395   bool isGranted = false;
 396
 397   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 398   anIt.toBack();
 399   while (anIt.hasPrevious() && !isGranted) {
 400     ModuleBase_Operation* anOp = anIt.previous();
 401     if (anOp)
 402       isGranted = anOp->isGranted(theId);
 403   }
 404   return isGranted;
 405 }
 406
 407 void XGUI_OperationMgr::setCurrentFeature(const FeaturePtr& theFeature)
 408 {
 409   SessionPtr aMgr = ModelAPI_Session::get();
 410   DocumentPtr aDoc = aMgr->activeDocument();
 411   bool aIsOp = aMgr->isOperation();
 412   if (!aIsOp)
 413     aMgr->startOperation(QString("Set current feature: %1")
 414     .arg(theFeature->getKind().c_str()).toStdString());
 415   aDoc->setCurrentFeature(theFeature, false);
 416 #ifdef DEBUG_CURRENT_FEATURE
 417   qDebug(QString("   document->setCurrentFeature(false) = %1    SET").arg(
 418          ModuleBase_Tools::objectName(
 419          ModelAPI_Session::get()->activeDocument()->currentFeature(false))).toStdString().c_str());
 420 #endif
 421
 422   if (!aIsOp)
 423     aMgr->finishOperation();
 424 }
 425
 426 bool XGUI_OperationMgr::canStartOperation(const QString& theId, bool& isCommitted)
 427 {
 428   bool aCanStart = true;
 429   isCommitted = false;
 430   ModuleBase_Operation* aCurrentOp = currentOperation();
 431   if (aCurrentOp) {
 432     bool aGranted = aCurrentOp->isGranted(theId);
 433     // the started operation is granted for the current one,
 434     // e.g. current - Sketch, started - Line
 435     if (aGranted) {
 436       aCanStart = true;
 437     }
 438     else {
 439       if (!isGrantedOperation(theId)) {
 440         // the operation is not granted in the current list of operations
 441         // e.g. Edit Parameter when Sketch, Line in Sketch is active.
 442         aCanStart = abortAllOperations();
 443       }
 444       else if (canStopOperation(aCurrentOp)) {
 445         // the started operation is granted in the parrent operation,
 446         // e.g. current - Line in Sketch, started Circle
 447         stopOperation(aCurrentOp, isCommitted);
 448       } else {
 449         aCanStart = false;
 450       }
 451     }
 452   }
 453   return aCanStart;
 454 }
 455
 456 void XGUI_OperationMgr::stopOperation(ModuleBase_Operation* theOperation, bool& isCommitted)
 457 {
 458   if (XGUI_Tools::workshop(myWorkshop)->errorMgr()->isApplyEnabled() &&
 459       theOperation->isModified()) {
 460     isCommitted = theOperation->commit();
 461   } else {
 462     isCommitted = false;
 463     abortOperation(theOperation);
 464   }
 465 }
 466
 467 void XGUI_OperationMgr::abortOperation(ModuleBase_Operation* theOperation)
 468 {
 469   ModuleBase_Operation* aCurrentOperation = currentOperation();
 470   if (theOperation && (theOperation == aCurrentOperation))
 471     theOperation->abort();
 472   else {
 473     // it is possible to trigger upper operation(e.g. sketch, current is sketch line)
 474     // all operation from the current to triggered should also be aborted
 475     // operations over the parameter one are not aborted(e.g. extrusion cut, sketch abort)
 476     while(hasOperation()) {
 477       ModuleBase_Operation* aCurOperation = currentOperation();
 478       aCurOperation->abort();
 479       if(theOperation == aCurOperation)
 480         break;
 481     }
 482   }
 483 }
 484
 485 bool XGUI_OperationMgr::commitOperation()
 486 {
 487   bool isCommitted = false;
 488   ModuleBase_Operation* anOperation = currentOperation();
 489   if (anOperation && myWorkshop->module()->canCommitOperation())
 490     isCommitted = anOperation->commit();
 491   return isCommitted;
 492 }
 493
 494 void XGUI_OperationMgr::onAbortOperation()
 495 {
 496   ModuleBase_Operation* aCurrentOperation = currentOperation();
 497   if (aCurrentOperation && canStopOperation(aCurrentOperation)) {
 498     abortOperation(aCurrentOperation);
 499   }
 500 }
 501
 502 void XGUI_OperationMgr::onAbortAllOperation()
 503 {
 504   abortAllOperations();
 505 }
 506
 507 void XGUI_OperationMgr::onBeforeOperationStarted()
 508 {
 509   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 510   if (!aCurrentOperation)
 511     return;
 512
 513   /// Set current feature and remeber old current feature
 514   ModuleBase_OperationFeature* aFOperation =
 515     dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 516   if (aFOperation) {
 517     SessionPtr aMgr = ModelAPI_Session::get();
 518     DocumentPtr aDoc = aMgr->activeDocument();
 519     // the parameter of current feature should be false, we should use all feature, not only
 520     // visible in order to correctly save the previous feature of the nested operation, where the
 521     // features can be not visible in the tree. The problem case is Edit sketch entitity(line)
 522     // in the Sketch, created in ExtrusionCut operation. The entity disappears by commit.
 523     // When sketch entity operation started, the sketch should be cashed here as the current.
 524     // Otherwise(the flag is true), the ExtrusionCut is cashed, when commit happens, the sketch
 525     // is disabled, sketch entity is disabled as extrusion cut is created earliest then sketch.
 526     // As a result the sketch disappears from the viewer.
 527     // However after commit it is displayed back.
 528     aFOperation->setPreviousCurrentFeature(aDoc->currentFeature(false));
 529
 530 #ifdef DEBUG_CURRENT_FEATURE
 531     FeaturePtr aFeature = aFOperation->feature();
 532     QString aKind = aFeature ? aFeature->getKind().c_str() : "";
 533     qDebug("");
 534     qDebug(QString("onBeforeOperationStarted() isEditOperation = %1, feature = %2")
 535             .arg(aFOperation->isEditOperation())
 536             .arg(ModuleBase_Tools::objectName(aFeature)).toStdString().c_str());
 537     qDebug(QString("   document->currentFeature(false) = %1 : DO: setPreviousCurrentFeature").arg(
 538             ModuleBase_Tools::objectName(aDoc->currentFeature(false))).toStdString().c_str());
 539 #endif
 540
 541     if (aFOperation->isEditOperation()) {// it should be performed by the feature edit only
 542       // in create operation, the current feature is changed by addFeature()
 543       aDoc->setCurrentFeature(aFOperation->feature(), false);
 544 #ifdef DEBUG_CURRENT_FEATURE
 545       qDebug(QString("   document->setCurrentFeature(false) = %1").arg(
 546              ModuleBase_Tools::objectName(aDoc->currentFeature(false))).toStdString().c_str());
 547 #endif
 548       // this is the only place where flushes must be called after setCurrentFeature for the
 549       // current moment: after this the opertion is not finished, so, the ObjectBrowser
 550       // state may be corrupted (issue #1457)
 551       static Events_Loop* aLoop = Events_Loop::loop();
 552       static Events_ID aCreateEvent = aLoop->eventByName(EVENT_OBJECT_CREATED);
 553       aLoop->flush(aCreateEvent);
 554       static Events_ID aDeleteEvent = aLoop->eventByName(EVENT_OBJECT_DELETED);
 555       aLoop->flush(aDeleteEvent);
 556     }
 557   }
 558 }
 559
 560 void XGUI_OperationMgr::onOperationStarted()
 561 {
 562   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 563   updateApplyOfOperations(aSenderOperation);
 564   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 565   aWorkshop->operationStarted(aSenderOperation);
 566 }
 567
 568 void XGUI_OperationMgr::onBeforeOperationAborted()
 569 {
 570   onBeforeOperationCommitted();
 571 }
 572
 573 void XGUI_OperationMgr::onOperationAborted()
 574 {
 575   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 576   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 577   aWorkshop->setStatusBarMessage("");
 578   emit operationAborted(aSenderOperation);
 579 }
 580
 581 void XGUI_OperationMgr::onBeforeOperationCommitted()
 582 {
 583   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 584   if (!aCurrentOperation)
 585     return;
 586
 587   /// Restore the previous current feature
 588   ModuleBase_OperationFeature* aFOperation =
 589     dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 590   if (aFOperation) {
 591 #ifdef DEBUG_CURRENT_FEATURE
 592     QString aKind = aFOperation->feature()->getKind().c_str();
 593     qDebug(QString("onBeforeOperationCommitted() isEditOperation = %1, feature = %2")
 594             .arg(aFOperation->isEditOperation())
 595             .arg(ModuleBase_Tools::objectName(aFOperation->feature())).toStdString().c_str());
 596     qDebug(QString("   document->currentFeature(false) = %1").arg(
 597             ModuleBase_Tools::objectName(
 598             ModelAPI_Session::get()->activeDocument()->currentFeature(false)))
 599             .toStdString().c_str());
 600 #endif
 601
 602     if (aFOperation->isEditOperation()) {
 603       /// Restore the previous current feature
 604       setCurrentFeature(aFOperation->previousCurrentFeature());
 605     }
 606     else { // create operation
 607       // the Top created feature should stays the current. In nested operations,
 608       // like Line in the Sketch or
 609       // Sketch in ExtrusionCut, a previous feature should be restored on commit.
 610       // It is performed here
 611       // in order to perform it in the current transaction without opening a new one.
 612       if (myOperations.front() != aFOperation)
 613         setCurrentFeature(aFOperation->previousCurrentFeature());
 614     }
 615     ModuleBase_IModule* aModule = myWorkshop->module();
 616     if (aModule)
 617       aModule->beforeOperationStopped(aFOperation);
 618   }
 619 }
 620
 621 void XGUI_OperationMgr::onOperationCommitted()
 622 {
 623   // apply state for all features from the stack of operations should be updated
 624   updateApplyOfOperations();
 625
 626   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 627   emit operationCommitted(aSenderOperation);
 628 }
 629
 630 void XGUI_OperationMgr::onOperationResumed()
 631 {
 632   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 633   emit operationResumed(aSenderOperation);
 634 }
 635
 636 void XGUI_OperationMgr::onOperationStopped()
 637 {
 638   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 639   ModuleBase_Operation* aCurrentOperation = currentOperation();
 640   if (!aSenderOperation || !aCurrentOperation || aSenderOperation != aCurrentOperation)
 641     return;
 642
 643   myOperations.removeAll(aCurrentOperation);
 644   aCurrentOperation->deleteLater();
 645
 646   emit operationStopped(aCurrentOperation);
 647
 648   // get last operation which can be resumed
 649   ModuleBase_Operation* aResultOp = 0;
 650   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 651   anIt.toBack();
 652   while (anIt.hasPrevious()) {
 653     ModuleBase_Operation* anOp = anIt.previous();
 654     if (anOp) {
 655       aResultOp = anOp;
 656       break;
 657     }
 658   }
 659   if (aResultOp) {
 660     //bool isModified = aCurrentOperation->isModified();
 661     //aResultOp->setIsModified(aResultOp->isModified() || isModified);
 662     resumeOperation(aResultOp);
 663     onValidateOperation();
 664   }
 665 }
 666
 667 bool XGUI_OperationMgr::onKeyReleased(QObject *theObject, QKeyEvent* theEvent)
 668 {
 669   bool isAccepted = false;
 670
 671   // Let the manager decide what to do with the given key combination.
 672   ModuleBase_Operation* anOperation = currentOperation();
 673   switch (theEvent->key()) {
 674     case Qt::Key_Tab:
 675     case Qt::Key_Backtab:
 676     {
 677       ModuleBase_Operation* aOperation = currentOperation();
 678       if (aOperation) {
 679         ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
 680         if (aPanel) {
 681           QWidget* aFocusedWidget = qApp->focusWidget();
 682           bool isPPChildObject = aFocusedWidget && isChildObject(aFocusedWidget, aPanel);
 683           if (!isPPChildObject) {
 684             // check for case when the operation is started but property panel is not filled
 685             XGUI_PropertyPanel* aPP = dynamic_cast<XGUI_PropertyPanel*>(aPanel);
 686             aPP->setFocusNextPrevChild(theEvent->key() == Qt::Key_Tab);
 687             isAccepted = true;
 688           }
 689         }
 690       }
 691     }
 692     break;
 693     case Qt::Key_Return:
 694     case Qt::Key_Enter: {
 695       isAccepted = onProcessEnter(theObject);
 696     }
 697     break;
 698     case Qt::Key_N:
 699     case Qt::Key_P: {
 700       bool noModifiers = (theEvent->modifiers() == Qt::NoModifier);
 701       if (noModifiers) {
 702         ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 703         Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
 704         if (!aContext.IsNull()) {
 705           Handle(V3d_View) aView = aViewer->activeView();
 706           if ((theEvent->key() == Qt::Key_N))
 707             aContext->HilightNextDetected(aView);
 708           else if ((theEvent->key() == Qt::Key_P))
 709             aContext->HilightPreviousDetected(aView);
 710           aViewer->updateHighlight();
 711           isAccepted = true;
 712         }
 713       }
 714       }
 715       break;
 716    case Qt::Key_H:
 717      if ((theEvent->modifiers() == Qt::NoModifier))
 718       myWorkshop->viewer()->hideSelectionHighlight();
 719      break;
 720    default:
 721       isAccepted = false;
 722       break;
 723   }
 724   //if(anOperation) {
 725   //  anOperation->keyReleased(theEvent->key());
 726   //}
 727   return isAccepted;
 728 }
 729
 730 bool XGUI_OperationMgr::onKeyPressed(QObject *theObject, QKeyEvent* theEvent)
 731 {
 732   // Let the manager decide what to do with the given key combination.
 733   bool isAccepted = false;
 734   switch (theEvent->key()) {
 735     case Qt::Key_Escape: {
 736       // processing in message box
 737       if (myActiveMessageBox)
 738       {
 739         myActiveMessageBox->reject();
 740         isAccepted = true;
 741       }
 742       // processing in the active widget
 743       ModuleBase_Operation* aOperation = currentOperation();
 744       if (!isAccepted && aOperation) {
 745         ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 746         if (aPanel) {
 747           ModuleBase_ModelWidget* anActiveWgt = aPanel->activeWidget();
 748           if (anActiveWgt)
 749           {
 750             isAccepted = anActiveWgt && anActiveWgt->processAction(ActionEscape);
 751             if (isAccepted) {
 752               ModuleBase_OperationFeature* aFOperation =
 753                 dynamic_cast<ModuleBase_OperationFeature*>(currentOperation());
 754               if (aFOperation)
 755                 aFOperation->setNeedToBeAborted(true);
 756             }
 757           }
 758         }
 759       }
 760       if (!isAccepted)
 761       {
 762         XGUI_ActiveControlSelector* anActiveSelector =
 763           XGUI_Tools::workshop(myWorkshop)->activeControlMgr()->activeSelector();
 764         if (anActiveSelector && anActiveSelector->getType() == XGUI_FacesPanelSelector::Type())
 765           isAccepted = XGUI_Tools::workshop(myWorkshop)->facesPanel()->processAction(ActionEscape);
 766       }
 767       // default Escape button functionality
 768       if (!isAccepted && aOperation) {
 769         onAbortOperation();
 770         isAccepted = true;
 771       }
 772     }
 773     break;
 774     case Qt::Key_H:
 775       if ((theEvent->modifiers() == Qt::NoModifier))
 776         myWorkshop->viewer()->showSelectionHighlight();
 777       break;
 778   }
 779   return isAccepted;
 780 }
 781
 782 bool XGUI_OperationMgr::onProcessEnter(QObject* theObject)
 783 {
 784   bool isAccepted = false;
 785   ModuleBase_Operation* aOperation = currentOperation();
 786   // to avoid enter processing when operation has not been started yet
 787   if (!aOperation)
 788     return isAccepted;
 789   ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 790   if (!aPanel)
 791     return isAccepted;
 792   // the next code is obsolete as we want to process Enter in property panel always
 793   // only property panel enter is processed in order to do not process enter in application dialogs
 794   //bool isPPChild = isChildObject(theObject, aPanel);
 795   //if (!isPPChild)
 796   //  return isAccepted;
 797
 798   ModuleBase_ModelWidget* anActiveWgt = aPanel->activeWidget();
 799   bool isAborted = false;
 800   if (!anActiveWgt) {
 801     QWidget* aFocusWidget = aPanel->focusWidget();
 802     QToolButton* aCancelBtn =
 803       dynamic_cast<XGUI_PropertyPanel*>(aPanel)->findButton(PROP_PANEL_CANCEL);
 804     if (aFocusWidget && aCancelBtn && aFocusWidget == aCancelBtn) {
 805       abortOperation(aOperation);
 806       isAccepted = true;
 807       isAborted = true;
 808     }
 809   }
 810   if (!isAborted) {
 811     isAccepted = anActiveWgt && anActiveWgt->processAction(ActionEnter);
 812     if (!isAccepted) {
 813       isAccepted =
 814         myWorkshop->module()->processEnter(anActiveWgt ? anActiveWgt->attributeID() : "");
 815       if (!isAccepted) {
 816         /// functionality is similar to Apply click
 817         ModuleBase_OperationFeature* aFOperation =
 818           dynamic_cast<ModuleBase_OperationFeature*>(currentOperation());
 819         if (!aFOperation ||
 820             myWorkshop->module()->getFeatureError(aFOperation->feature()).isEmpty()) {
 821           // key released is emitted to apply the current value to the model
 822           // if it was modified in PP
 823           emit keyEnterReleased();
 824           commitOperation();
 825           isAccepted = true;
 826         }
 827         else
 828           isAccepted = false;
 829       }
 830     }
 831   }
 832   return isAccepted;
 833 }
 834
 835 bool editorControl(QObject* theObject)
 836 {
 837   QLineEdit* aLineEdit = dynamic_cast<QLineEdit*>(theObject);
 838   return aLineEdit;
 839 }
 840
 841 bool XGUI_OperationMgr::onProcessDelete(QObject* theObject)
 842 {
 843   bool isAccepted = false;
 844   ModuleBase_Operation* aOperation = currentOperation();
 845   ModuleBase_ModelWidget* anActiveWgt = 0;
 846   // firstly the widget should process Delete action
 847   ModuleBase_IPropertyPanel* aPanel;
 848   bool isPPChildObject = false;
 849   if (aOperation) {
 850     aPanel = aOperation->propertyPanel();
 851     if (aPanel) {
 852       isPPChildObject = isChildObject(theObject, aPanel);
 853       // process delete in active widget only if delete sender is child of property panel
 854       // it is necessary for the case when OB is shown, user perform selection and click Delete
 855       if (isPPChildObject) {
 856         anActiveWgt = aPanel->activeWidget();
 857         if (anActiveWgt) {
 858           isAccepted = anActiveWgt->processAction(ActionDelete);
 859         }
 860       }
 861     }
 862   }
 863   if (!isAccepted)
 864   {
 865     XGUI_ActiveControlSelector* anActiveSelector =
 866       XGUI_Tools::workshop(myWorkshop)->activeControlMgr()->activeSelector();
 867     if (anActiveSelector && anActiveSelector->getType() == XGUI_FacesPanelSelector::Type())
 868       isAccepted = XGUI_Tools::workshop(myWorkshop)->facesPanel()->processAction(ActionDelete);
 869   }
 870   if (!isAccepted) {
 871     // after widget, object browser and viewer should process delete
 872     /// other widgets such as line edit controls should not lead to
 873     /// processing delete by workshop
 874     XGUI_ObjectsBrowser* aBrowser = XGUI_Tools::workshop(myWorkshop)->objectBrowser();
 875     QWidget* aViewPort = myWorkshop->viewer()->activeViewPort();
 876     bool isToDeleteObject = false;
 877     XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 878     XGUI_ContextMenuMgr* aContextMenuMgr = aWorkshop->contextMenuMgr();
 879     if (theObject == aBrowser->treeView()) {
 880       aContextMenuMgr->updateObjectBrowserMenu();
 881       isToDeleteObject = aContextMenuMgr->action("DELETE_CMD")->isEnabled();
 882     }
 883     else if (isChildObject(theObject, aViewPort)) {
 884       aContextMenuMgr->updateViewerMenu();
 885       isToDeleteObject = aContextMenuMgr->action("DELETE_CMD")->isEnabled();
 886     }
 887     else if (isPPChildObject) {
 888       // property panel child object is processed to process delete performed on Apply button of PP
 889       isToDeleteObject = true;
 890     }
 891     else if (editorControl(theObject)) {
 892       isToDeleteObject = false; /// Line Edit of Rename operation in ObjectBrowser
 893       isAccepted = true;
 894     }
 895
 896     if (isToDeleteObject) {
 897       aWorkshop->deleteObjects();
 898       isAccepted = true;
 899     }
 900   }
 901
 902   return isAccepted;
 903 }
 904
 905 bool XGUI_OperationMgr::isChildObject(const QObject* theObject, const QObject* theParent)
 906 {
 907   bool isPPChild = false;
 908   if (theParent && theObject) {
 909     QObject* aParent = (QObject*)theObject;
 910     while (aParent ) {
 911       isPPChild = aParent == theParent;
 912       if (isPPChild)
 913         break;
 914       aParent = aParent->parent();
 915     }
 916   }
 917   return isPPChild;
 918 }
 919
 920 QMessageBox* XGUI_OperationMgr::createMessageBox(const QString& theMessage)
 921 {
 922   QMessageBox * aMessageBox = new QMessageBox(QMessageBox::Question,
 923     QObject::tr("Abort operation"), theMessage, QMessageBox::Ok | QMessageBox::Cancel,
 924     qApp->activeWindow());
 925   aMessageBox->setDefaultButton(QMessageBox::Cancel);
 926   aMessageBox->setEscapeButton(QMessageBox::No); // operation manager should process Esc key
 927
 928   return aMessageBox;
 929 }
 930
 931 QMessageBox* XGUI_OperationMgr::createInformationBox(const QString& theMessage)
 932 {
 933   QMessageBox * aMessageBox = new QMessageBox(QMessageBox::Question,
 934     QObject::tr("Validate operation"), theMessage, QMessageBox::Ok,
 935     qApp->activeWindow());
 936   aMessageBox->setDefaultButton(QMessageBox::Ok);
 937   aMessageBox->setEscapeButton(QMessageBox::No); // operation manager should process Esc key
 938
 939   return aMessageBox;
 940 }
 941
 942 XGUI_Workshop* XGUI_OperationMgr::xworkshop() const
 943 {
 944   XGUI_ModuleConnector* aConnector = (XGUI_ModuleConnector*) myWorkshop;
 945   return aConnector->workshop();
 946 }