/// Returns the current operation or NULL
/// \return the current operation
ModuleBase_Operation* currentOperation() const;
+ /// Returns true is operation manager has at least one non-null operation.
+ bool hasOperation() const;
+ /// Returns number of operations in the stack
+ int operationsCount() const;
/// Start the operation and append it to the stack of operations
/// \param theOperation the started operation
/// \return the state whether the current operation is started
bool startOperation(ModuleBase_Operation* theOperation);
+ /// Abort the operation and append it to the stack of operations
+ /// \return the state whether the current operation is aborted
+ bool abortOperation();
+
signals:
/// Signal about an operation is started. It is emitted after the start() of operation is done.
void operationStarted();
/// \param theOperation an operation to check
bool canStartOperation(ModuleBase_Operation* theOperation);
+ /// Returns whether the operation can be stopped.
+ bool canStopOperation();
+
protected slots:
/// Slot that is called by an operation stop. Removes the stopped operation form the stack.
/// If there is a suspended operation, restart it.
