1 // File: XGUI_OperationMgr.h
2 // Created: 20 Apr 2014
3 // Author: Natalia ERMOLAEVA
5 #include "XGUI_OperationMgr.h"
7 #include "ModuleBase_Operation.h"
11 XGUI_OperationMgr::XGUI_OperationMgr(QObject* theParent)
16 XGUI_OperationMgr::~XGUI_OperationMgr()
20 ModuleBase_Operation* XGUI_OperationMgr::currentOperation() const
22 return myOperations.count() > 0 ? myOperations.last() : 0;
25 bool XGUI_OperationMgr::startOperation(ModuleBase_Operation* theOperation)
27 if (!canStartOperation(theOperation))
30 myOperations.append(theOperation);
32 connect(theOperation, SIGNAL(stopped()), this, SLOT(onOperationStopped()));
33 connect(theOperation, SIGNAL(started()), this, SIGNAL(operationStarted()));
35 theOperation->start();
39 void XGUI_OperationMgr::resumeOperation(ModuleBase_Operation* theOperation)
41 connect(theOperation, SIGNAL(stopped()), this, SLOT(onOperationStopped()));
42 connect(theOperation, SIGNAL(started()), this, SIGNAL(operationStarted()));
44 theOperation->resume();
47 bool XGUI_OperationMgr::canStartOperation(ModuleBase_Operation* theOperation)
49 bool aCanStart = true;
50 ModuleBase_Operation* aCurrentOp = currentOperation();
51 if (aCurrentOp && !theOperation->isGranted())
53 int anAnswer = QMessageBox::question(0, tr("Operation launch"),
54 tr("Previous operation is not finished and will be aborted"),
55 QMessageBox::Ok, QMessageBox::Cancel);
56 if (anAnswer == QMessageBox::Ok) {
65 void XGUI_OperationMgr::onOperationStopped()
67 ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
68 ModuleBase_Operation* anOperation = currentOperation();
69 if (!aSenderOperation || !anOperation || aSenderOperation != anOperation )
72 emit operationStopped(anOperation);
74 myOperations.removeAll(anOperation);
75 anOperation->deleteLater();
77 // get last operation which can be resumed
78 ModuleBase_Operation* aResultOp = 0;
79 QListIterator<ModuleBase_Operation*> anIt(myOperations);
81 while(anIt.hasPrevious())
83 ModuleBase_Operation* anOp = anIt.previous();
90 resumeOperation(aResultOp);