/// <summary> /// Starts import process. /// </summary> /// <param name="parentPage">Page requirest importing.</param> /// <param name="profile">Import profile.</param> /// <param name="defaultDate">Default date for default initialize imported objects.</param> /// <param name="dataProvider">Data provider.</param> private void _StartImportProcess(AppPages.Page parentPage, ImportProfile profile, DateTime defaultDate, IDataProvider dataProvider) { Debug.Assert(null != parentPage); // created Debug.Assert(null != profile); // created Debug.Assert(null != dataProvider); // creatde // reset state _importer = null; _geocoder = null; // subscribe to events App currentApp = App.Current; currentApp.MainWindow.Closed += new EventHandler(_MainWindow_Closed); // create background worker Debug.Assert(null == _worker); // only once SuspendBackgroundWorker worker = _CreateBackgroundWorker(); // create internal objects var tracker = new ImportCancelTracker(worker); var cancelTracker = new CancellationTracker(tracker); _informer = new ProgressInformer(parentPage, profile.Type, tracker); _informer.SetStatus("ImportLabelImporting"); var infoTracker = new ProgressInfoTracker(worker, _informer.ParentPage, _informer.ObjectName, _informer.ObjectsName); _importer = new Importer(infoTracker); if (PropertyHelpers.IsGeocodeSupported(profile.Type)) { _geocoder = new Geocoder(infoTracker); } // set precondition string message = currentApp.GetString("ImportProcessStarted", _informer.ObjectName); currentApp.Messenger.AddInfo(message); // lock GUI currentApp.UIManager.Lock(true); // run worker var parameters = new ProcessParams(profile, defaultDate, dataProvider, cancelTracker, infoTracker); worker.RunWorkerAsync(parameters); _worker = worker; }