src/XGUI/XGUI_OperationMgr.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2
   3 // File:        XGUI_OperationMgr.cpp
   4 // Created:     20 Apr 2014
   5 // Author:      Natalia ERMOLAEVA
   6
   7 #include "XGUI_OperationMgr.h"
   8 #include "XGUI_ModuleConnector.h"
   9 #include "XGUI_Workshop.h"
  10 #include "XGUI_ErrorMgr.h"
  11
  12 #include "ModuleBase_Operation.h"
  13 #include "ModuleBase_IWorkshop.h"
  14 #include "ModuleBase_IModule.h"
  15 #include <ModuleBase_IViewer.h>
  16 #include "ModuleBase_OperationDescription.h"
  17 #include "ModuleBase_OperationFeature.h"
  18
  19 #include "ModelAPI_CompositeFeature.h"
  20 #include "ModelAPI_Session.h"
  21
  22 #include <QMessageBox>
  23 #include <QApplication>
  24 #include <QKeyEvent>
  25
  26 XGUI_OperationMgr::XGUI_OperationMgr(QObject* theParent,
  27                                      ModuleBase_IWorkshop* theWorkshop)
  28 : QObject(theParent), myIsValidationLock(false), myIsApplyEnabled(false),
  29   myWorkshop(theWorkshop)
  30 {
  31 }
  32
  33 XGUI_OperationMgr::~XGUI_OperationMgr()
  34 {
  35 }
  36
  37 ModuleBase_Operation* XGUI_OperationMgr::currentOperation() const
  38 {
  39   return myOperations.count() > 0 ? myOperations.last() : 0;
  40 }
  41
  42 bool XGUI_OperationMgr::isCurrentOperation(ModuleBase_Operation* theOperation)
  43 {
  44   if(!hasOperation())
  45     return false;
  46   return currentOperation() == theOperation;
  47 }
  48
  49 bool XGUI_OperationMgr::hasOperation() const
  50 {
  51   return !myOperations.isEmpty() && (myOperations.last() != NULL);
  52 }
  53
  54 bool XGUI_OperationMgr::hasOperation(const QString& theId) const
  55 {
  56   foreach(ModuleBase_Operation* aOp, myOperations) {
  57     if (aOp->id() == theId)
  58       return true;
  59   }
  60   return false;
  61 }
  62
  63 ModuleBase_Operation* XGUI_OperationMgr::findOperation(const QString& theId) const
  64 {
  65   foreach(ModuleBase_Operation* aOp, myOperations) {
  66     if (aOp->id() == theId)
  67       return aOp;
  68   }
  69   return 0;
  70 }
  71
  72
  73 int XGUI_OperationMgr::operationsCount() const
  74 {
  75   return myOperations.count();
  76 }
  77
  78 QStringList XGUI_OperationMgr::operationList() const
  79 {
  80   QStringList result;
  81   foreach(ModuleBase_Operation* eachOperation, myOperations) {
  82     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(eachOperation);
  83     if (aFOperation) {
  84       FeaturePtr aFeature = aFOperation->feature();
  85       if(aFeature) {
  86         result << QString::fromStdString(aFeature->getKind());
  87       }
  88     }
  89   }
  90   return result;
  91 }
  92
  93 ModuleBase_Operation* XGUI_OperationMgr::previousOperation(ModuleBase_Operation* theOperation) const
  94 {
  95   int idx = myOperations.lastIndexOf(theOperation);
  96   if(idx == -1 || idx == 0) {
  97     return NULL;
  98   }
  99   return myOperations.at(idx - 1);
 100 }
 101
 102 bool XGUI_OperationMgr::eventFilter(QObject *theObject, QEvent *theEvent)
 103 {
 104   if (theEvent->type() == QEvent::KeyRelease) {
 105     QKeyEvent* aKeyEvent = dynamic_cast<QKeyEvent*>(theEvent);
 106     if(aKeyEvent) {
 107       return onKeyReleased(aKeyEvent);
 108     }
 109   }
 110   return QObject::eventFilter(theObject, theEvent);
 111 }
 112
 113 bool XGUI_OperationMgr::startOperation(ModuleBase_Operation* theOperation)
 114 {
 115   if (hasOperation())
 116     currentOperation()->postpone();
 117   myOperations.append(theOperation);
 118
 119   connect(theOperation, SIGNAL(started()), SLOT(onOperationStarted()));
 120   connect(theOperation, SIGNAL(aborted()), SLOT(onOperationAborted()));
 121   connect(theOperation, SIGNAL(committed()), SLOT(onOperationCommitted()));
 122   connect(theOperation, SIGNAL(stopped()), SLOT(onOperationStopped()));
 123   connect(theOperation, SIGNAL(resumed()), SLOT(onOperationResumed()));
 124   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 125                                                                         (theOperation);
 126   if (aFOperation)
 127     connect(aFOperation, SIGNAL(activatedByPreselection()),
 128             SIGNAL(operationActivatedByPreselection()));
 129
 130   theOperation->start();
 131   onValidateOperation();
 132   return true;
 133 }
 134
 135 bool XGUI_OperationMgr::abortAllOperations()
 136 {
 137   bool aResult = true;
 138   if(!hasOperation())
 139     return aResult;
 140
 141   if (operationsCount() == 1) {
 142     ModuleBase_Operation* aCurrentOperation = currentOperation();
 143     if (canStopOperation(aCurrentOperation)) {
 144       abortOperation(aCurrentOperation);
 145     }
 146     else
 147       aResult = false;
 148   }
 149   else {
 150     aResult = QMessageBox::question(qApp->activeWindow(),
 151                                     tr("Abort operation"),
 152                                     tr("All active operations will be aborted."),
 153                                     QMessageBox::Ok | QMessageBox::Cancel,
 154                                     QMessageBox::Cancel) == QMessageBox::Ok;
 155     while(aResult && hasOperation()) {
 156       abortOperation(currentOperation());
 157     }
 158   }
 159   return aResult;
 160 }
 161
 162 bool XGUI_OperationMgr::commitAllOperations()
 163 {
 164   bool isCompositeCommitted = false;
 165   while (hasOperation()) {
 166     ModuleBase_Operation* anOperation = currentOperation();
 167     if (isApplyEnabled()) {
 168       onCommitOperation();
 169     } else {
 170       abortOperation(anOperation);
 171     }
 172     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 173                                                                             (anOperation);
 174     if (aFOperation) {
 175       FeaturePtr aFeature = aFOperation->feature();
 176       CompositeFeaturePtr aComposite =
 177           std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeature);
 178       isCompositeCommitted = aComposite.get();
 179       if (isCompositeCommitted)
 180         break;
 181     }
 182   }
 183   return true;
 184 }
 185
 186 void XGUI_OperationMgr::onValidateOperation()
 187 {
 188   if (!hasOperation())
 189     return;
 190   //ModuleBase_Operation* anOperation = currentOperation();
 191   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 192                                                                           (currentOperation());
 193   if(aFOperation && aFOperation->feature().get()) {
 194     //bool aCanCommit = myWorkshop->module()->canCommitOperation();
 195     //setApplyEnabled(!myIsValidationLock && aCanCommit && anOperation->isValid());
 196     setApplyEnabled(myWorkshop->module()->getFeatureError(aFOperation->feature()).isEmpty());
 197   }
 198 }
 199
 200 void XGUI_OperationMgr::setLockValidating(bool toLock)
 201 {
 202   myIsValidationLock = toLock;
 203   onValidateOperation();
 204 }
 205
 206 void XGUI_OperationMgr::setApplyEnabled(const bool theEnabled)
 207 {
 208   myIsApplyEnabled = theEnabled;
 209   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 210                                                                           (currentOperation());
 211   if (aFOperation) {
 212     workshop()->errorMgr()->updateActions(aFOperation->feature());
 213   }
 214   //emit validationStateChanged(theEnabled);
 215 }
 216
 217 void XGUI_OperationMgr::updateApplyOfOperations(ModuleBase_Operation* theOperation)
 218 {
 219   XGUI_ErrorMgr* anErrorMgr = workshop()->errorMgr();
 220   if (theOperation) {
 221     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
 222     if (aFOperation)
 223       anErrorMgr->updateAcceptAllAction(aFOperation->feature());
 224     //emit nestedStateChanged(theOperation->getDescription()->operationId().toStdString(),
 225     //                        theOperation->isValid());
 226   }
 227   else {
 228     foreach(ModuleBase_Operation* anOperation, myOperations) {
 229       if (anOperation)
 230         updateApplyOfOperations(anOperation);
 231       //emit nestedStateChanged(anOperation->getDescription()->operationId().toStdString(),
 232       //                        anOperation->isValid());
 233     }
 234   }
 235 }
 236
 237 bool XGUI_OperationMgr::isApplyEnabled() const
 238 {
 239   return myIsApplyEnabled;
 240 }
 241
 242 bool XGUI_OperationMgr::isParentOperationValid() const
 243 {
 244   bool isValid = false;
 245   // the enable state of the parent operation of the nested one is defined by the rules that
 246   // firstly there are nested operations and secondly the parent operation is valid
 247   ModuleBase_Operation* aPrevOp = 0;
 248   Operations::const_iterator anIt = myOperations.end();
 249   if (anIt != myOperations.begin()) { // there are items in the operations list
 250     --anIt;
 251     aPrevOp = *anIt; // the last top operation, the operation which is started
 252     if (anIt != myOperations.begin()) { // find the operation where the started operation is nested
 253       --anIt;
 254       aPrevOp = *anIt;
 255     }
 256   }
 257   return aPrevOp && aPrevOp->isValid();
 258 }
 259
 260 bool XGUI_OperationMgr::canStopOperation(ModuleBase_Operation* theOperation)
 261 {
 262   //in case of nested (sketch) operation no confirmation needed
 263   if (isGrantedOperation(theOperation))
 264     return true;
 265   if (theOperation && theOperation->isModified()) {
 266     QString aMessage = tr("%1 operation will be aborted.").arg(theOperation->id());
 267     int anAnswer = QMessageBox::question(qApp->activeWindow(),
 268                                          tr("Abort operation"),
 269                                          aMessage,
 270                                          QMessageBox::Ok | QMessageBox::Cancel,
 271                                          QMessageBox::Cancel);
 272     return anAnswer == QMessageBox::Ok;
 273   }
 274   return true;
 275 }
 276
 277 bool XGUI_OperationMgr::commitOperation()
 278 {
 279   if (hasOperation() && currentOperation()->isValid()) {
 280     onCommitOperation();
 281     return true;
 282   }
 283   return false;
 284 }
 285
 286 void XGUI_OperationMgr::resumeOperation(ModuleBase_Operation* theOperation)
 287 {
 288   theOperation->resume();
 289 }
 290
 291 bool XGUI_OperationMgr::isGrantedOperation(ModuleBase_Operation* theOperation)
 292 {
 293   bool isGranted = false;
 294
 295   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 296   anIt.toBack();
 297   ModuleBase_Operation* aPreviousOperation = 0;
 298   while (anIt.hasPrevious()) {
 299     ModuleBase_Operation* anOp = anIt.previous();
 300     if (anOp == theOperation) {
 301       if (anIt.hasPrevious())
 302         aPreviousOperation = anIt.previous();
 303       break;
 304     }
 305   }
 306   if (aPreviousOperation)
 307     isGranted = aPreviousOperation->isGranted(theOperation->id());
 308
 309   return isGranted;
 310 }
 311
 312 bool XGUI_OperationMgr::canStartOperation(const QString& theId, const bool isAdditionallyGranted)
 313 {
 314   bool aCanStart = true;
 315   ModuleBase_Operation* aCurrentOp = currentOperation();
 316   if (aCurrentOp) {
 317     bool aGranted = aCurrentOp->isGranted(theId) || isAdditionallyGranted;
 318     if (!aGranted) {
 319       if (canStopOperation(aCurrentOp)) {
 320         if (myIsApplyEnabled && aCurrentOp->isModified())
 321           aCurrentOp->commit();
 322         else
 323           abortOperation(aCurrentOp);
 324       } else {
 325         aCanStart = false;
 326       }
 327     }
 328   }
 329   return aCanStart;
 330 }
 331
 332 void XGUI_OperationMgr::abortOperation(ModuleBase_Operation* theOperation)
 333 {
 334   ModuleBase_Operation* aCurrentOperation = currentOperation();
 335   if (theOperation == aCurrentOperation)
 336     theOperation->abort();
 337   else {
 338     // it is possible to trigger upper operation(e.g. sketch, current is sketch line)
 339     // all operation from the current to triggered should also be aborted
 340     // operations over the parameter one are not aborted(e.g. extrusion cut, sketch abort)
 341     while(hasOperation()) {
 342       ModuleBase_Operation* aCurrentOperation = currentOperation();
 343       aCurrentOperation->abort();
 344       if(theOperation == aCurrentOperation)
 345         break;
 346     }
 347   }
 348 }
 349
 350 void XGUI_OperationMgr::onCommitOperation()
 351 {
 352   ModuleBase_Operation* anOperation = currentOperation();
 353   if (anOperation)
 354     anOperation->commit();
 355 }
 356
 357 void XGUI_OperationMgr::onAbortOperation()
 358 {
 359   ModuleBase_Operation* aCurrentOperation = currentOperation();
 360   if (aCurrentOperation && canStopOperation(aCurrentOperation)) {
 361     abortOperation(aCurrentOperation);
 362   }
 363 }
 364
 365 void XGUI_OperationMgr::onOperationStarted()
 366 {
 367   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 368   updateApplyOfOperations(aSenderOperation);
 369   emit operationStarted(aSenderOperation);
 370 }
 371
 372 void XGUI_OperationMgr::onOperationAborted()
 373 {
 374   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 375   emit operationAborted(aSenderOperation);
 376 }
 377
 378 void XGUI_OperationMgr::onOperationCommitted()
 379 {
 380   // apply state for all features from the stack of operations should be updated
 381   updateApplyOfOperations();
 382
 383   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 384   emit operationCommitted(aSenderOperation);
 385 }
 386
 387 void XGUI_OperationMgr::onOperationResumed()
 388 {
 389   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 390   emit operationResumed(aSenderOperation);
 391 }
 392
 393 void XGUI_OperationMgr::onOperationStopped()
 394 {
 395   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 396   ModuleBase_Operation* aCurrentOperation = currentOperation();
 397   if (!aSenderOperation || !aCurrentOperation || aSenderOperation != aCurrentOperation)
 398     return;
 399
 400   myOperations.removeAll(aCurrentOperation);
 401   aCurrentOperation->deleteLater();
 402
 403   emit operationStopped(aCurrentOperation);
 404
 405   // get last operation which can be resumed
 406   ModuleBase_Operation* aResultOp = 0;
 407   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 408   anIt.toBack();
 409   while (anIt.hasPrevious()) {
 410     ModuleBase_Operation* anOp = anIt.previous();
 411     if (anOp) {
 412       aResultOp = anOp;
 413       break;
 414     }
 415   }
 416   if (aResultOp) {
 417     bool isModified = aCurrentOperation->isModified();
 418     aResultOp->setIsModified(aResultOp->isModified() || isModified);
 419     resumeOperation(aResultOp);
 420     onValidateOperation();
 421   }
 422 }
 423
 424 bool XGUI_OperationMgr::onKeyReleased(QKeyEvent* theEvent)
 425 {
 426   // Let the manager decide what to do with the given key combination.
 427   ModuleBase_Operation* anOperation = currentOperation();
 428   bool isAccepted = true;
 429   switch (theEvent->key()) {
 430     case Qt::Key_Return:
 431     case Qt::Key_Enter: {
 432       emit keyEnterReleased();
 433       commitOperation();
 434     }
 435     case Qt::Key_N:
 436     case Qt::Key_P: {
 437       bool noModifiers = (theEvent->modifiers() == Qt::NoModifier);
 438       if (noModifiers) {
 439         ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 440         Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
 441         if (!aContext.IsNull()) {
 442           Handle(V3d_View) aView = aViewer->activeView();
 443           if ((theEvent->key() == Qt::Key_N))
 444             aContext->HilightNextDetected(aView);
 445           else if ((theEvent->key() == Qt::Key_P))
 446             aContext->HilightPreviousDetected(aView);
 447         }
 448       }
 449     }
 450
 451     break;
 452     default:
 453       isAccepted = false;
 454       break;
 455   }
 456   //if(anOperation) {
 457   //  anOperation->keyReleased(theEvent->key());
 458   //}
 459   return isAccepted;
 460 }
 461
 462 XGUI_Workshop* XGUI_OperationMgr::workshop() const
 463 {
 464   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myWorkshop);
 465   return aConnector->workshop();
 466 }
 467