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